======================================
| [    9.889119][  T215] softirqs last disabled at (32998): netlink_release (./include/net/sock.h:2138 net/netlink/af_netlink.c:727)
| [    9.889121][  T215] Preemption disabled at:
| [    9.889122][  T215] 0x0
| [    9.889132][  T215] Tainted: [W]=WARN
[    9.889133][  T215] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[    9.889135][  T215] Call Trace:
[    9.889136][  T215]  <TASK>
[    9.889138][  T215]  dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120)
[    9.889145][  T215]  __might_resched.cold (kernel/sched/core.c:9234)
[    9.889149][  T215]  ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3))
[    9.889153][  T215]  ? __kmalloc_noprof (./include/linux/sched/mm.h:317 mm/slub.c:4636 mm/slub.c:4974 mm/slub.c:5413 mm/slub.c:5439)
[    9.889158][  T215]  __kmalloc_noprof (./include/linux/sched/mm.h:322 (discriminator 2) mm/slub.c:4636 (discriminator 2) mm/slub.c:4974 (discriminator 2) mm/slub.c:5413 (discriminator 2) mm/slub.c:5439 (discriminator 2))
[    9.889160][  T215]  ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[    9.889167][  T215]  ? do_raw_spin_unlock (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:32 ./include/asm-generic/qspinlock.h:58 kernel/locking/spinlock_debug.c:101 kernel/locking/spinlock_debug.c:141)
[    9.889169][  T215]  alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[    9.889173][  T215]  put_chars (drivers/char/virtio_console.c:1176)
[    9.889176][  T215]  ? __send_to_port (drivers/char/virtio_console.c:654)
[    9.889177][  T215]  ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4116 (discriminator 3) kernel/rcu/tree.c:4108 (discriminator 3))
[    9.889181][  T215]  ? validate_chain (kernel/locking/lockdep.c:3817 (discriminator 2) kernel/locking/lockdep.c:3837 (discriminator 2) kernel/locking/lockdep.c:3892 (discriminator 2))
[    9.889187][  T215]  hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2))
[    9.889195][  T215]  ? hvc_write (drivers/tty/hvc/hvc_console.c:501)
[    9.889197][  T215]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[    9.889199][  T215]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[    9.889203][  T215]  console_emit_next_record (kernel/printk/printk.c:3183)
[    9.889208][  T215]  ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20)
[    9.889209][  T215]  ? console_flush_one_record (./include/linux/rcupdate.h:314 (discriminator 2) ./include/linux/srcu.h:439 (discriminator 2) kernel/printk/printk.c:291 (discriminator 2) kernel/printk/printk.c:3246 (discriminator 2))
[    9.889213][  T215]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[    9.889215][  T215]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[    9.889219][  T215]  console_flush_one_record (kernel/printk/printk.c:3268)
[    9.889223][  T215]  ? console_emit_next_record (kernel/printk/printk.c:3150)
[    9.889225][  T215]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[    9.889231][  T215]  console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420)
[    9.889233][  T215]  ? console_flush_one_record (kernel/printk/printk.c:3316)
[    9.889235][  T215]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[    9.889237][  T215]  ? lock_acquire (./include/linux/srcutree.h:374 ./include/linux/srcu.h:541 ./include/linux/srcu.h:645 ./include/trace/events/lock.h:23 ./include/trace/events/lock.h:23 kernel/locking/lockdep.c:5871)
[    9.889241][  T215]  ? __down_trylock_console_sem (kernel/printk/printk.c:334)
[    9.889243][  T215]  ? vprintk_emit (kernel/printk/printk.c:2478)
[    9.889245][  T215]  vprintk_emit (kernel/printk/printk.c:2479)
[    9.889249][  T215]  ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126))
[    9.889252][  T215]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[    9.889255][  T215]  _printk (kernel/printk/printk.c:2504)
[    9.889259][  T215]  ? snapshot_read.cold (user.c:?)
[    9.889262][  T215]  ? do_raw_spin_lock (./include/linux/instrumented.h:55 ./include/linux/atomic/atomic-instrumented.h:1301 ./include/asm-generic/qspinlock.h:112 kernel/locking/spinlock_debug.c:116)
[    9.889265][  T215]  ? __rwlock_init (kernel/locking/spinlock_debug.c:48)
[    9.889269][  T215]  ? do_raw_spin_lock (./include/linux/instrumented.h:55 ./include/linux/atomic/atomic-instrumented.h:1301 ./include/asm-generic/qspinlock.h:112 kernel/locking/spinlock_debug.c:116)
[    9.889271][  T215]  do_exit.cold (kernel/exit.c:889 (discriminator 4) kernel/exit.c:1043 (discriminator 4))
[    9.889275][  T215]  ? exit_notify (kernel/exit.c:780)
[    9.889277][  T215]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554)
[    9.889280][  T215]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[    9.889283][  T215]  do_group_exit (kernel/exit.c:1151)
[    9.889286][  T215]  __x64_sys_exit_group (kernel/exit.c:1162 kernel/exit.c:1160 kernel/exit.c:1160)
[    9.889288][  T215]  x64_sys_call (./arch/x86/include/generated/asm/syscalls_64.h:232)
[    9.889291][  T215]  do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84)
[    9.889295][  T215]  ? exc_page_fault (arch/x86/mm/fault.c:1489 (discriminator 3) arch/x86/mm/fault.c:1536 (discriminator 3))
[    9.889298][  T215]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[    9.889300][  T215] RIP: 0033:0x7f541af691b8
[    9.889302][  T215] Code: Unable to access opcode bytes at 0x7f541af6918e.

Code starting with the faulting instruction
===========================================
[    9.889304][  T215] RSP: 002b:00007ffea8219478 EFLAGS: 00000246 ORIG_RAX: 00000000000000e7
[    9.889306][  T215] RAX: ffffffffffffffda RBX: 00007f541b099f88 RCX: 00007f541af691b8
[    9.889307][  T215] RDX: 00007f541acb3fc8 RSI: fffffffffffffeb8 RDI: 0000000000000000
[    9.889308][  T215] RBP: 00007ffea82194d0 R08: 0000000000000000 R09: 0000000000000050
[    9.889309][  T215] R10: 00007ffea8219290 R11: 0000000000000246 R12: 0000000000000001
[    9.889310][  T215] R13: 0000000000000000 R14: 00007f541b098680 R15: 00007f541b099fa0
| [   11.069004][  T245] softirqs last disabled at (24064): netif_change_name (./include/linux/spinlock.h:353 ./include/linux/seqlock.h:908 net/core/dev.c:1499)
| [   11.069006][  T245] Preemption disabled at:
| [   11.069007][  T245] vprintk_emit (kernel/printk/printk.c:2471)
| [   11.069016][  T245] Tainted: [W]=WARN
[   11.069017][  T245] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   11.069019][  T245] Call Trace:
[   11.069020][  T245]  <TASK>
[   11.069022][  T245]  dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120)
[   11.069028][  T245]  ? vprintk_emit (kernel/printk/printk.c:2471)
[   11.069030][  T245]  __might_resched.cold (kernel/sched/core.c:9234)
[   11.069034][  T245]  ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3))
[   11.069038][  T245]  ? __kmalloc_noprof (./include/linux/sched/mm.h:317 mm/slub.c:4636 mm/slub.c:4974 mm/slub.c:5413 mm/slub.c:5439)
[   11.069043][  T245]  __kmalloc_noprof (./include/linux/sched/mm.h:322 (discriminator 2) mm/slub.c:4636 (discriminator 2) mm/slub.c:4974 (discriminator 2) mm/slub.c:5413 (discriminator 2) mm/slub.c:5439 (discriminator 2))
[   11.069045][  T245]  ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[   11.069051][  T245]  ? do_raw_spin_unlock (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:32 ./include/asm-generic/qspinlock.h:58 kernel/locking/spinlock_debug.c:101 kernel/locking/spinlock_debug.c:141)
[   11.069054][  T245]  alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[   11.069058][  T245]  put_chars (drivers/char/virtio_console.c:1176)
[   11.069060][  T245]  ? __send_to_port (drivers/char/virtio_console.c:654)
[   11.069067][  T245]  hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2))
[   11.069075][  T245]  ? hvc_write (drivers/tty/hvc/hvc_console.c:501)
[   11.069078][  T245]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   11.069082][  T245]  console_emit_next_record (kernel/printk/printk.c:3183)
[   11.069086][  T245]  ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20)
[   11.069088][  T245]  ? console_flush_one_record (./include/linux/rcupdate.h:314 (discriminator 2) ./include/linux/srcu.h:439 (discriminator 2) kernel/printk/printk.c:291 (discriminator 2) kernel/printk/printk.c:3246 (discriminator 2))
[   11.069091][  T245]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   11.069094][  T245]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   11.069098][  T245]  console_flush_one_record (kernel/printk/printk.c:3268)
[   11.069102][  T245]  ? console_emit_next_record (kernel/printk/printk.c:3150)
[   11.069104][  T245]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   11.069110][  T245]  console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420)
[   11.069113][  T245]  ? console_flush_one_record (kernel/printk/printk.c:3316)
[   11.069115][  T245]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   11.069116][  T245]  ? 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)
[   11.069120][  T245]  ? __down_trylock_console_sem (kernel/printk/printk.c:334)
[   11.069122][  T245]  ? vprintk_emit (kernel/printk/printk.c:2478)
[   11.069125][  T245]  vprintk_emit (kernel/printk/printk.c:2479)
[   11.069128][  T245]  ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126))
[   11.069130][  T245]  ? save_trace (kernel/locking/lockdep.c:589)
[   11.069135][  T245]  _printk (kernel/printk/printk.c:2504)
[   11.069138][  T245]  ? snapshot_read.cold (user.c:?)
[   11.069142][  T245]  ? validate_chain (kernel/locking/lockdep.c:159 kernel/locking/lockdep.c:191 kernel/locking/lockdep.c:3928)
[   11.069144][  T245]  ? netdev_name (./include/linux/netdevice.h:5709 (discriminator 1))
[   11.069148][  T245]  ? __netdev_printk (net/core/dev.c:13148 (discriminator 2))
[   11.069151][  T245]  ? do_setlink.isra.0 (net/core/rtnetlink.c:3246)
[   11.069153][  T245]  netdev_info (net/core/dev.c:13195 (discriminator 3))
[   11.069155][  T245]  ? netdev_notice (net/core/dev.c:13194)
[   11.069158][  T245]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[   11.069161][  T245]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554)
[   11.069164][  T245]  ? mark_held_locks (kernel/locking/lockdep.c:4341)
[   11.069168][  T245]  ? do_setlink.isra.0 (net/core/rtnetlink.c:3246)
[   11.069170][  T245]  netif_change_name.cold (net/core/dev.c:1507 (discriminator 3))
[   11.069172][  T245]  ? register_netdev (net/core/dev.c:11618)
[   11.069173][  T245]  ? is_bpf_text_address (./include/linux/rcupdate.h:319 (discriminator 2) ./include/linux/rcupdate.h:880 (discriminator 2) kernel/bpf/core.c:751 (discriminator 2))
[   11.069179][  T245]  ? netdev_adjacent_rename_links (net/core/dev.c:9598)
[   11.069181][  T245]  ? __kernel_text_address (kernel/extable.c:79)
[   11.069184][  T245]  ? write_profile (profile.c:?)
[   11.069188][  T245]  ? __asan_memset (mm/kasan/shadow.c:84 (discriminator 1))
[   11.069194][  T245]  do_setlink.isra.0 (net/core/rtnetlink.c:3246)
[   11.069197][  T245]  ? stack_trace_save (kernel/stacktrace.c:122 (discriminator 1))
[   11.069199][  T245]  ? rtnl_link_get_size (net/core/rtnetlink.c:747)
[   11.069201][  T245]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:388 kernel/rcu/update.c:380)
[   11.069203][  T245]  ? stack_depot_save_flags (lib/stackdepot.c:609 (discriminator 2) lib/stackdepot.c:676 (discriminator 2))
[   11.069207][  T245]  ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4116 (discriminator 3) kernel/rcu/tree.c:4108 (discriminator 3))
[   11.069209][  T245]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380)
[   11.069211][  T245]  ? validate_chain (kernel/locking/lockdep.c:3817 (discriminator 2) kernel/locking/lockdep.c:3837 (discriminator 2) kernel/locking/lockdep.c:3892 (discriminator 2))
[   11.069213][  T245]  ? kasan_save_stack (mm/kasan/common.c:58)
[   11.069215][  T245]  ? kasan_save_stack (mm/kasan/common.c:57)
[   11.069216][  T245]  ? kasan_save_track (mm/kasan/common.c:78)
[   11.069218][  T245]  ? __kasan_kmalloc (mm/kasan/common.c:398 mm/kasan/common.c:415)
[   11.069220][  T245]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   11.069222][  T245]  ? snd_ac97_proc_read_main (sound/pci/ac97/ac97_proc.c:320)
[   11.069225][  T245]  ? ___sys_sendmsg (net/socket.c:2758)
[   11.069229][  T245]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2))
[   11.069231][  T245]  ? rtnl_newlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:366 net/core/rtnetlink.c:4214)
[   11.069233][  T245]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   11.069235][  T245]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   11.069237][  T245]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   11.069238][  T245]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   11.069239][  T245]  ? trace_contention_end (./include/trace/events/lock.h:121 (discriminator 22))
[   11.069242][  T245]  ? __mutex_lock (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:3188 kernel/locking/mutex.c:89 kernel/locking/mutex.c:134 kernel/locking/mutex.c:649 kernel/locking/mutex.c:821)
[   11.069245][  T245]  ? __mutex_lock (kernel/locking/mutex.c:656 (discriminator 1) kernel/locking/mutex.c:821 (discriminator 1))
[   11.069247][  T245]  ? rtnl_newlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:366 net/core/rtnetlink.c:4214)
[   11.069250][  T245]  ? ww_mutex_lock (kernel/locking/mutex.c:934)
[   11.069251][  T245]  ? nla_get_range_signed (lib/nlattr.c:270)
[   11.069256][  T245]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   11.069258][  T245]  ? __rtnl_newlink (net/core/rtnetlink.c:4063)
[   11.069264][  T245]  rtnl_newlink (net/core/rtnetlink.c:4215)
[   11.069269][  T245]  ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558)
[   11.069271][  T245]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   11.069276][  T245]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2))
[   11.069278][  T245]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[   11.069280][  T245]  ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558)
[   11.069281][  T245]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554)
[   11.069285][  T245]  ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558)
[   11.069287][  T245]  rtnetlink_rcv_msg (net/core/rtnetlink.c:7132)
[   11.069291][  T245]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   11.069292][  T245]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   11.069297][  T245]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2))
[   11.069299][  T245]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[   11.069302][  T245]  netlink_rcv_skb (net/netlink/af_netlink.c:2556)
[   11.069305][  T245]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   11.069308][  T245]  ? netlink_ack (./include/linux/skbuff.h:2718)
[   11.069315][  T245]  ? netlink_deliver_tap (./include/linux/rcupdate.h:319 (discriminator 2) ./include/linux/rcupdate.h:880 (discriminator 2) ./include/net/netns/generic.h:48 (discriminator 2) net/netlink/af_netlink.c:334 (discriminator 2))
[   11.069317][  T245]  ? netlink_deliver_tap (./include/linux/rcupdate.h:319 (discriminator 2) ./include/linux/rcupdate.h:880 (discriminator 2) net/netlink/af_netlink.c:341 (discriminator 2))
[   11.069321][  T245]  netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[   11.069325][  T245]  ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[   11.069328][  T245]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[   11.069332][  T245]  netlink_sendmsg (net/netlink/af_netlink.c:1900)
[   11.069336][  T245]  ? netlink_unicast (./include/net/net_namespace.h:422 (discriminator 7))
[   11.069340][  T245]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554)
[   11.069342][  T245]  ? __import_iovec (lib/iov_iter.c:1358 lib/iov_iter.c:1373)
[   11.069347][  T245]  __sock_sendmsg (net/socket.c:800 (discriminator 4) net/socket.c:815 (discriminator 4))
[   11.069350][  T245]  ____sys_sendmsg (net/socket.c:2713)
[   11.069353][  T245]  ? copy_msghdr_from_user (net/socket.c:2650)
[   11.069355][  T245]  ? sock_write_iter (net/socket.c:1269)
[   11.069356][  T245]  ? move_addr_to_kernel (net/socket.c:258)
[   11.069364][  T245]  ___sys_sendmsg (net/socket.c:2767)
[   11.069367][  T245]  ? copy_msghdr_from_user (net/socket.c:2619)
[   11.069383][  T245]  __sys_sendmsg (net/socket.c:2799)
[   11.069386][  T245]  ? __sys_sendmsg_sock (net/socket.c:2780)
[   11.069392][  T245]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   11.069395][  T245]  do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84)
[   11.069398][  T245]  ? exc_page_fault (arch/x86/mm/fault.c:1489 (discriminator 3) arch/x86/mm/fault.c:1536 (discriminator 3))
[   11.069401][  T245]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[   11.069403][  T245] RIP: 0033:0x7fcfe572554e
[   11.069408][  T245] Code: 4d 89 d8 e8 b4 bd 00 00 4c 8b 5d f8 41 8b 93 08 03 00 00 59 5e 48 83 f8 fc 74 11 c9 c3 0f 1f 80 00 00 00 00 48 8b 45 10 0f 05 <c9> c3 83 e2 39 83 fa 08 75 e7 e8 03 ff ff ff 0f 1f 00 f3 0f 1e fa
All code
========
   0:	4d 89 d8             	mov    %r11,%r8
   3:	e8 b4 bd 00 00       	call   0xbdbc
   8:	4c 8b 5d f8          	mov    -0x8(%rbp),%r11
   c:	41 8b 93 08 03 00 00 	mov    0x308(%r11),%edx
  13:	59                   	pop    %rcx
  14:	5e                   	pop    %rsi
  15:	48 83 f8 fc          	cmp    $0xfffffffffffffffc,%rax
  19:	74 11                	je     0x2c
  1b:	c9                   	leave
  1c:	c3                   	ret
  1d:	0f 1f 80 00 00 00 00 	nopl   0x0(%rax)
  24:	48 8b 45 10          	mov    0x10(%rbp),%rax
  28:	0f 05                	syscall
  2a:*	c9                   	leave		<-- trapping instruction
  2b:	c3                   	ret
  2c:	83 e2 39             	and    $0x39,%edx
  2f:	83 fa 08             	cmp    $0x8,%edx
  32:	75 e7                	jne    0x1b
  34:	e8 03 ff ff ff       	call   0xffffffffffffff3c
  39:	0f 1f 00             	nopl   (%rax)
  3c:	f3 0f 1e fa          	endbr64

Code starting with the faulting instruction
===========================================
   0:	c9                   	leave
   1:	c3                   	ret
   2:	83 e2 39             	and    $0x39,%edx
   5:	83 fa 08             	cmp    $0x8,%edx
   8:	75 e7                	jne    0xfffffffffffffff1
   a:	e8 03 ff ff ff       	call   0xffffffffffffff12
   f:	0f 1f 00             	nopl   (%rax)
  12:	f3 0f 1e fa          	endbr64
[   11.069409][  T245] RSP: 002b:00007ffc66279eb0 EFLAGS: 00000202 ORIG_RAX: 000000000000002e
[   11.069412][  T245] RAX: ffffffffffffffda RBX: 0000000000000005 RCX: 00007fcfe572554e
[   11.069413][  T245] RDX: 0000000000000000 RSI: 00007ffc66279f60 RDI: 0000000000000005
[   11.069414][  T245] RBP: 00007ffc66279ec0 R08: 0000000000000000 R09: 0000000000000000
[   11.069415][  T245] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a91a4a2
[   11.069416][  T245] R13: 00000000004a1620 R14: 0000000000000000 R15: 00007ffc6627a630
| [   28.399601][  T639] softirqs last disabled at (20124): netif_change_name (./include/linux/spinlock.h:353 ./include/linux/seqlock.h:908 net/core/dev.c:1499)
| [   28.399604][  T639] Preemption disabled at:
| [   28.399604][  T639] vprintk_emit (kernel/printk/printk.c:2471)
| [   28.399613][  T639] Tainted: [W]=WARN
[   28.399613][  T639] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   28.399615][  T639] Call Trace:
[   28.399617][  T639]  <TASK>
[   28.399618][  T639]  dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120)
[   28.399624][  T639]  ? vprintk_emit (kernel/printk/printk.c:2471)
[   28.399626][  T639]  __might_resched.cold (kernel/sched/core.c:9234)
[   28.399631][  T639]  ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3))
[   28.399635][  T639]  ? __kmalloc_noprof (./include/linux/sched/mm.h:317 mm/slub.c:4636 mm/slub.c:4974 mm/slub.c:5413 mm/slub.c:5439)
[   28.399640][  T639]  __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))
[   28.399642][  T639]  ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[   28.399653][  T639]  ? 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)
[   28.399656][  T639]  alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[   28.399660][  T639]  put_chars (drivers/char/virtio_console.c:1176)
[   28.399662][  T639]  ? __send_to_port (drivers/char/virtio_console.c:654)
[   28.399668][  T639]  hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2))
[   28.399676][  T639]  ? hvc_write (drivers/tty/hvc/hvc_console.c:501)
[   28.399680][  T639]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   28.399684][  T639]  console_emit_next_record (kernel/printk/printk.c:3183)
[   28.399688][  T639]  ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20)
[   28.399690][  T639]  ? 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))
[   28.399694][  T639]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   28.399696][  T639]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   28.399700][  T639]  console_flush_one_record (kernel/printk/printk.c:3268)
[   28.399705][  T639]  ? console_emit_next_record (kernel/printk/printk.c:3150)
[   28.399707][  T639]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   28.399712][  T639]  console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420)
[   28.399715][  T639]  ? console_flush_one_record (kernel/printk/printk.c:3316)
[   28.399717][  T639]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   28.399719][  T639]  ? 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)
[   28.399722][  T639]  ? __down_trylock_console_sem (kernel/printk/printk.c:334)
[   28.399724][  T639]  ? vprintk_emit (kernel/printk/printk.c:2478)
[   28.399727][  T639]  vprintk_emit (kernel/printk/printk.c:2479)
[   28.399730][  T639]  ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126))
[   28.399733][  T639]  ? _mutex_trylock_nest_lock (kernel/locking/mutex.c:1227 (discriminator 6))
[   28.399738][  T639]  _printk (kernel/printk/printk.c:2504)
[   28.399742][  T639]  ? snapshot_read.cold (user.c:?)
[   28.399744][  T639]  ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4116 (discriminator 3) kernel/rcu/tree.c:4108 (discriminator 3))
[   28.399746][  T639]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380)
[   28.399749][  T639]  ? validate_chain (kernel/locking/lockdep.c:3817 (discriminator 2) kernel/locking/lockdep.c:3837 (discriminator 2) kernel/locking/lockdep.c:3892 (discriminator 2))
[   28.399751][  T639]  ? netdev_name (./include/linux/netdevice.h:5709 (discriminator 1))
[   28.399755][  T639]  ? __netdev_printk (net/core/dev.c:13148 (discriminator 2))
[   28.399758][  T639]  ? do_setlink.isra.0 (net/core/rtnetlink.c:3246)
[   28.399761][  T639]  netdev_info (net/core/dev.c:13195 (discriminator 3))
[   28.399764][  T639]  ? netdev_notice (net/core/dev.c:13194)
[   28.399767][  T639]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[   28.399770][  T639]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554)
[   28.399772][  T639]  ? mark_held_locks (kernel/locking/lockdep.c:4341)
[   28.399776][  T639]  ? do_setlink.isra.0 (net/core/rtnetlink.c:3246)
[   28.399778][  T639]  netif_change_name.cold (net/core/dev.c:1507 (discriminator 3))
[   28.399780][  T639]  ? register_netdev (net/core/dev.c:11618)
[   28.399781][  T639]  ? is_bpf_text_address (./include/linux/rcupdate.h:319 (discriminator 2) ./include/linux/rcupdate.h:880 (discriminator 2) kernel/bpf/core.c:751 (discriminator 2))
[   28.399790][  T639]  ? netdev_adjacent_rename_links (net/core/dev.c:9598)
[   28.399793][  T639]  ? __kernel_text_address (kernel/extable.c:79)
[   28.399796][  T639]  ? write_profile (profile.c:?)
[   28.399800][  T639]  ? __asan_memset (mm/kasan/shadow.c:84 (discriminator 1))
[   28.399805][  T639]  do_setlink.isra.0 (net/core/rtnetlink.c:3246)
[   28.399809][  T639]  ? stack_trace_save (kernel/stacktrace.c:122 (discriminator 1))
[   28.399811][  T639]  ? rtnl_link_get_size (net/core/rtnetlink.c:747)
[   28.399812][  T639]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:388 kernel/rcu/update.c:380)
[   28.399814][  T639]  ? stack_depot_save_flags (lib/stackdepot.c:609 (discriminator 2) lib/stackdepot.c:676 (discriminator 2))
[   28.399818][  T639]  ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4116 (discriminator 3) kernel/rcu/tree.c:4108 (discriminator 3))
[   28.399820][  T639]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380)
[   28.399822][  T639]  ? validate_chain (kernel/locking/lockdep.c:3817 (discriminator 2) kernel/locking/lockdep.c:3837 (discriminator 2) kernel/locking/lockdep.c:3892 (discriminator 2))
[   28.399824][  T639]  ? kasan_save_stack (mm/kasan/common.c:58)
[   28.399826][  T639]  ? kasan_save_stack (mm/kasan/common.c:57)
[   28.399827][  T639]  ? kasan_save_track (mm/kasan/common.c:78)
[   28.399829][  T639]  ? __kasan_kmalloc (mm/kasan/common.c:398 mm/kasan/common.c:415)
[   28.399831][  T639]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   28.399833][  T639]  ? snd_ac97_proc_read_main (sound/pci/ac97/ac97_proc.c:320)
[   28.399836][  T639]  ? ___sys_sendmsg (net/socket.c:2758)
[   28.399840][  T639]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2))
[   28.399842][  T639]  ? rtnl_newlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:366 net/core/rtnetlink.c:4214)
[   28.399844][  T639]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   28.399846][  T639]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   28.399848][  T639]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   28.399849][  T639]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   28.399850][  T639]  ? trace_contention_end (./include/trace/events/lock.h:121 (discriminator 22))
[   28.399853][  T639]  ? __mutex_lock (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:3188 kernel/locking/mutex.c:89 kernel/locking/mutex.c:134 kernel/locking/mutex.c:649 kernel/locking/mutex.c:821)
[   28.399854][  T639]  ? __mutex_lock (kernel/locking/mutex.c:656 (discriminator 1) kernel/locking/mutex.c:821 (discriminator 1))
[   28.399856][  T639]  ? rtnl_newlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:366 net/core/rtnetlink.c:4214)
[   28.399860][  T639]  ? ww_mutex_lock (kernel/locking/mutex.c:934)
[   28.399861][  T639]  ? nla_get_range_signed (lib/nlattr.c:270)
[   28.399866][  T639]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   28.399868][  T639]  ? __rtnl_newlink (net/core/rtnetlink.c:4063)
[   28.399873][  T639]  rtnl_newlink (net/core/rtnetlink.c:4215)
[   28.399879][  T639]  ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558)
[   28.399881][  T639]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   28.399885][  T639]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2))
[   28.399887][  T639]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[   28.399889][  T639]  ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558)
[   28.399891][  T639]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554)
[   28.399895][  T639]  ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558)
[   28.399897][  T639]  rtnetlink_rcv_msg (net/core/rtnetlink.c:7132)
[   28.399900][  T639]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   28.399901][  T639]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   28.399906][  T639]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2))
[   28.399908][  T639]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[   28.399911][  T639]  netlink_rcv_skb (net/netlink/af_netlink.c:2556)
[   28.399915][  T639]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   28.399918][  T639]  ? netlink_ack (./include/linux/skbuff.h:2718)
[   28.399924][  T639]  ? netlink_deliver_tap (./include/linux/rcupdate.h:319 (discriminator 2) ./include/linux/rcupdate.h:880 (discriminator 2) ./include/net/netns/generic.h:48 (discriminator 2) net/netlink/af_netlink.c:334 (discriminator 2))
[   28.399926][  T639]  ? netlink_deliver_tap (./include/linux/rcupdate.h:319 (discriminator 2) ./include/linux/rcupdate.h:880 (discriminator 2) net/netlink/af_netlink.c:341 (discriminator 2))
[   28.399930][  T639]  netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[   28.399934][  T639]  ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[   28.399937][  T639]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[   28.399941][  T639]  netlink_sendmsg (net/netlink/af_netlink.c:1900)
[   28.399945][  T639]  ? netlink_unicast (./include/net/net_namespace.h:422 (discriminator 7))
[   28.399949][  T639]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554)
[   28.399951][  T639]  ? __import_iovec (lib/iov_iter.c:1358 lib/iov_iter.c:1373)
[   28.399956][  T639]  __sock_sendmsg (net/socket.c:800 (discriminator 4) net/socket.c:815 (discriminator 4))
[   28.399959][  T639]  ____sys_sendmsg (net/socket.c:2713)
[   28.399961][  T639]  ? copy_msghdr_from_user (net/socket.c:2650)
[   28.399964][  T639]  ? sock_write_iter (net/socket.c:1269)
[   28.399965][  T639]  ? move_addr_to_kernel (net/socket.c:258)
[   28.399973][  T639]  ___sys_sendmsg (net/socket.c:2767)
[   28.399976][  T639]  ? copy_msghdr_from_user (net/socket.c:2619)
[   28.399992][  T639]  __sys_sendmsg (net/socket.c:2799)
[   28.399995][  T639]  ? __sys_sendmsg_sock (net/socket.c:2780)
[   28.400001][  T639]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   28.400004][  T639]  do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84)
[   28.400007][  T639]  ? exc_page_fault (arch/x86/mm/fault.c:1489 (discriminator 3) arch/x86/mm/fault.c:1536 (discriminator 3))
[   28.400010][  T639]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[   28.400013][  T639] RIP: 0033:0x7fc86391a54e
[   28.400017][  T639] Code: 4d 89 d8 e8 b4 bd 00 00 4c 8b 5d f8 41 8b 93 08 03 00 00 59 5e 48 83 f8 fc 74 11 c9 c3 0f 1f 80 00 00 00 00 48 8b 45 10 0f 05 <c9> c3 83 e2 39 83 fa 08 75 e7 e8 03 ff ff ff 0f 1f 00 f3 0f 1e fa
All code
========
   0:	4d 89 d8             	mov    %r11,%r8
   3:	e8 b4 bd 00 00       	call   0xbdbc
   8:	4c 8b 5d f8          	mov    -0x8(%rbp),%r11
   c:	41 8b 93 08 03 00 00 	mov    0x308(%r11),%edx
  13:	59                   	pop    %rcx
  14:	5e                   	pop    %rsi
  15:	48 83 f8 fc          	cmp    $0xfffffffffffffffc,%rax
  19:	74 11                	je     0x2c
  1b:	c9                   	leave
  1c:	c3                   	ret
  1d:	0f 1f 80 00 00 00 00 	nopl   0x0(%rax)
  24:	48 8b 45 10          	mov    0x10(%rbp),%rax
  28:	0f 05                	syscall
  2a:*	c9                   	leave		<-- trapping instruction
  2b:	c3                   	ret
  2c:	83 e2 39             	and    $0x39,%edx
  2f:	83 fa 08             	cmp    $0x8,%edx
  32:	75 e7                	jne    0x1b
  34:	e8 03 ff ff ff       	call   0xffffffffffffff3c
  39:	0f 1f 00             	nopl   (%rax)
  3c:	f3 0f 1e fa          	endbr64

Code starting with the faulting instruction
===========================================
   0:	c9                   	leave
   1:	c3                   	ret
   2:	83 e2 39             	and    $0x39,%edx
   5:	83 fa 08             	cmp    $0x8,%edx
   8:	75 e7                	jne    0xfffffffffffffff1
   a:	e8 03 ff ff ff       	call   0xffffffffffffff12
   f:	0f 1f 00             	nopl   (%rax)
  12:	f3 0f 1e fa          	endbr64
[   28.400018][  T639] RSP: 002b:00007ffc82551ae0 EFLAGS: 00000202 ORIG_RAX: 000000000000002e
[   28.400021][  T639] RAX: ffffffffffffffda RBX: 0000000000000005 RCX: 00007fc86391a54e
[   28.400023][  T639] RDX: 0000000000000000 RSI: 00007ffc82551b90 RDI: 0000000000000005
[   28.400023][  T639] RBP: 00007ffc82551af0 R08: 0000000000000000 R09: 0000000000000000
[   28.400024][  T639] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a91a4b3
[   28.400025][  T639] R13: 00000000004a1620 R14: 0000000000000000 R15: 00007ffc82552260
| [   45.713583][ T1035] softirqs last disabled at (20670): netif_change_name (./include/linux/spinlock.h:353 ./include/linux/seqlock.h:908 net/core/dev.c:1499)
| [   45.713586][ T1035] Preemption disabled at:
| [   45.713586][ T1035] vprintk_emit (kernel/printk/printk.c:2471)
| [   45.713595][ T1035] Tainted: [W]=WARN
[   45.713596][ T1035] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   45.713597][ T1035] Call Trace:
[   45.713598][ T1035]  <TASK>
[   45.713600][ T1035]  dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120)
[   45.713607][ T1035]  ? vprintk_emit (kernel/printk/printk.c:2471)
[   45.713608][ T1035]  __might_resched.cold (kernel/sched/core.c:9234)
[   45.713613][ T1035]  ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3))
[   45.713617][ T1035]  ? __kmalloc_noprof (./include/linux/sched/mm.h:317 mm/slub.c:4636 mm/slub.c:4974 mm/slub.c:5413 mm/slub.c:5439)
[   45.713622][ T1035]  __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))
[   45.713624][ T1035]  ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[   45.713630][ T1035]  ? 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)
[   45.713633][ T1035]  alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[   45.713637][ T1035]  put_chars (drivers/char/virtio_console.c:1176)
[   45.713639][ T1035]  ? __send_to_port (drivers/char/virtio_console.c:654)
[   45.713646][ T1035]  hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2))
[   45.713653][ T1035]  ? hvc_write (drivers/tty/hvc/hvc_console.c:501)
[   45.713657][ T1035]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   45.713661][ T1035]  console_emit_next_record (kernel/printk/printk.c:3183)
[   45.713665][ T1035]  ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20)
[   45.713667][ T1035]  ? 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))
[   45.713670][ T1035]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   45.713673][ T1035]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   45.713677][ T1035]  console_flush_one_record (kernel/printk/printk.c:3268)
[   45.713681][ T1035]  ? console_emit_next_record (kernel/printk/printk.c:3150)
[   45.713683][ T1035]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   45.713689][ T1035]  console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420)
[   45.713692][ T1035]  ? console_flush_one_record (kernel/printk/printk.c:3316)
[   45.713694][ T1035]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   45.713695][ T1035]  ? 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)
[   45.713699][ T1035]  ? __down_trylock_console_sem (kernel/printk/printk.c:334)
[   45.713701][ T1035]  ? vprintk_emit (kernel/printk/printk.c:2478)
[   45.713704][ T1035]  vprintk_emit (kernel/printk/printk.c:2479)
[   45.713707][ T1035]  ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126))
[   45.713710][ T1035]  ? _mutex_trylock_nest_lock (kernel/locking/mutex.c:1227 (discriminator 6))
[   45.713715][ T1035]  _printk (kernel/printk/printk.c:2504)
[   45.713718][ T1035]  ? snapshot_read.cold (user.c:?)
[   45.713720][ T1035]  ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4116 (discriminator 3) kernel/rcu/tree.c:4108 (discriminator 3))
[   45.713723][ T1035]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380)
[   45.713726][ T1035]  ? validate_chain (kernel/locking/lockdep.c:3817 (discriminator 2) kernel/locking/lockdep.c:3837 (discriminator 2) kernel/locking/lockdep.c:3892 (discriminator 2))
[   45.713728][ T1035]  ? netdev_name (./include/linux/netdevice.h:5709 (discriminator 1))
[   45.713731][ T1035]  ? __netdev_printk (net/core/dev.c:13148 (discriminator 2))
[   45.713734][ T1035]  ? do_setlink.isra.0 (net/core/rtnetlink.c:3246)
[   45.713737][ T1035]  netdev_info (net/core/dev.c:13195 (discriminator 3))
[   45.713740][ T1035]  ? netdev_notice (net/core/dev.c:13194)
[   45.713742][ T1035]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[   45.713746][ T1035]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554)
[   45.713748][ T1035]  ? mark_held_locks (kernel/locking/lockdep.c:4341)
[   45.713752][ T1035]  ? do_setlink.isra.0 (net/core/rtnetlink.c:3246)
[   45.713754][ T1035]  netif_change_name.cold (net/core/dev.c:1507 (discriminator 3))
[   45.713756][ T1035]  ? register_netdev (net/core/dev.c:11618)
[   45.713757][ T1035]  ? 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))
[   45.713763][ T1035]  ? netdev_adjacent_rename_links (net/core/dev.c:9598)
[   45.713765][ T1035]  ? __kernel_text_address (kernel/extable.c:79)
[   45.713768][ T1035]  ? write_profile (profile.c:?)
[   45.713772][ T1035]  ? __asan_memset (mm/kasan/shadow.c:84 (discriminator 1))
[   45.713789][ T1035]  do_setlink.isra.0 (net/core/rtnetlink.c:3246)
[   45.713792][ T1035]  ? stack_trace_save (kernel/stacktrace.c:122 (discriminator 1))
[   45.713794][ T1035]  ? rtnl_link_get_size (net/core/rtnetlink.c:747)
[   45.713796][ T1035]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:388 kernel/rcu/update.c:380)
[   45.713798][ T1035]  ? stack_depot_save_flags (lib/stackdepot.c:609 (discriminator 2) lib/stackdepot.c:676 (discriminator 2))
[   45.713801][ T1035]  ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4116 (discriminator 3) kernel/rcu/tree.c:4108 (discriminator 3))
[   45.713803][ T1035]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380)
[   45.713805][ T1035]  ? validate_chain (kernel/locking/lockdep.c:3817 (discriminator 2) kernel/locking/lockdep.c:3837 (discriminator 2) kernel/locking/lockdep.c:3892 (discriminator 2))
[   45.713808][ T1035]  ? kasan_save_stack (mm/kasan/common.c:58)
[   45.713810][ T1035]  ? kasan_save_stack (mm/kasan/common.c:57)
[   45.713811][ T1035]  ? kasan_save_track (mm/kasan/common.c:78)
[   45.713812][ T1035]  ? __kasan_kmalloc (mm/kasan/common.c:398 mm/kasan/common.c:415)
[   45.713815][ T1035]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   45.713817][ T1035]  ? snd_ac97_proc_read_main (sound/pci/ac97/ac97_proc.c:320)
[   45.713819][ T1035]  ? ___sys_sendmsg (net/socket.c:2758)
[   45.713823][ T1035]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2))
[   45.713825][ T1035]  ? rtnl_newlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:366 net/core/rtnetlink.c:4214)
[   45.713828][ T1035]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   45.713830][ T1035]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   45.713831][ T1035]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   45.713832][ T1035]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   45.713834][ T1035]  ? trace_contention_end (./include/trace/events/lock.h:121 (discriminator 22))
[   45.713836][ T1035]  ? __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)
[   45.713838][ T1035]  ? __mutex_lock (kernel/locking/mutex.c:656 (discriminator 1) kernel/locking/mutex.c:821 (discriminator 1))
[   45.713840][ T1035]  ? rtnl_newlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:366 net/core/rtnetlink.c:4214)
[   45.713843][ T1035]  ? ww_mutex_lock (kernel/locking/mutex.c:934)
[   45.713844][ T1035]  ? nla_get_range_signed (lib/nlattr.c:270)
[   45.713850][ T1035]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   45.713852][ T1035]  ? __rtnl_newlink (net/core/rtnetlink.c:4063)
[   45.713857][ T1035]  rtnl_newlink (net/core/rtnetlink.c:4215)
[   45.713862][ T1035]  ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558)
[   45.713864][ T1035]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   45.713869][ T1035]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2))
[   45.713871][ T1035]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[   45.713873][ T1035]  ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558)
[   45.713874][ T1035]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554)
[   45.713878][ T1035]  ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558)
[   45.713880][ T1035]  rtnetlink_rcv_msg (net/core/rtnetlink.c:7132)
[   45.713884][ T1035]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   45.713885][ T1035]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   45.713889][ T1035]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2))
[   45.713891][ T1035]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[   45.713895][ T1035]  netlink_rcv_skb (net/netlink/af_netlink.c:2556)
[   45.713898][ T1035]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   45.713901][ T1035]  ? netlink_ack (./include/linux/skbuff.h:2718)
[   45.713907][ T1035]  ? 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))
[   45.713909][ T1035]  ? 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))
[   45.713914][ T1035]  netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[   45.713918][ T1035]  ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[   45.713921][ T1035]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[   45.713925][ T1035]  netlink_sendmsg (net/netlink/af_netlink.c:1900)
[   45.713929][ T1035]  ? netlink_unicast (./include/net/net_namespace.h:422 (discriminator 7))
[   45.713933][ T1035]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554)
[   45.713934][ T1035]  ? __import_iovec (lib/iov_iter.c:1358 lib/iov_iter.c:1373)
[   45.713940][ T1035]  __sock_sendmsg (net/socket.c:800 (discriminator 4) net/socket.c:815 (discriminator 4))
[   45.713943][ T1035]  ____sys_sendmsg (net/socket.c:2713)
[   45.713945][ T1035]  ? copy_msghdr_from_user (net/socket.c:2650)
[   45.713947][ T1035]  ? sock_write_iter (net/socket.c:1269)
[   45.713949][ T1035]  ? move_addr_to_kernel (net/socket.c:258)
[   45.713956][ T1035]  ___sys_sendmsg (net/socket.c:2767)
[   45.713959][ T1035]  ? copy_msghdr_from_user (net/socket.c:2619)
[   45.713975][ T1035]  __sys_sendmsg (net/socket.c:2799)
[   45.713978][ T1035]  ? __sys_sendmsg_sock (net/socket.c:2780)
[   45.713984][ T1035]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   45.713987][ T1035]  do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84)
[   45.713990][ T1035]  ? exc_page_fault (arch/x86/mm/fault.c:1489 (discriminator 3) arch/x86/mm/fault.c:1536 (discriminator 3))
[   45.713993][ T1035]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[   45.713996][ T1035] RIP: 0033:0x7fe80c2cc54e
[   45.714000][ T1035] 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
[   45.714001][ T1035] RSP: 002b:00007ffea9518440 EFLAGS: 00000202 ORIG_RAX: 000000000000002e
[   45.714004][ T1035] RAX: ffffffffffffffda RBX: 0000000000000005 RCX: 00007fe80c2cc54e
[   45.714006][ T1035] RDX: 0000000000000000 RSI: 00007ffea95184f0 RDI: 0000000000000005
[   45.714006][ T1035] RBP: 00007ffea9518450 R08: 0000000000000000 R09: 0000000000000000
[   45.714007][ T1035] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a91a4c5
[   45.714008][ T1035] R13: 00000000004a1620 R14: 0000000000000000 R15: 00007ffea9518bc0
| [   63.080451][ T1429] softirqs last disabled at (22668): netif_change_name (./include/linux/spinlock.h:353 ./include/linux/seqlock.h:908 net/core/dev.c:1499)
| [   63.080454][ T1429] Preemption disabled at:
| [   63.080455][ T1429] vprintk_emit (kernel/printk/printk.c:2471)
| [   63.080463][ T1429] Tainted: [W]=WARN
[   63.080464][ T1429] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   63.080466][ T1429] Call Trace:
[   63.080467][ T1429]  <TASK>
[   63.080469][ T1429]  dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120)
[   63.080475][ T1429]  ? vprintk_emit (kernel/printk/printk.c:2471)
[   63.080477][ T1429]  __might_resched.cold (kernel/sched/core.c:9234)
[   63.080481][ T1429]  ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3))
[   63.080486][ T1429]  ? __kmalloc_noprof (./include/linux/sched/mm.h:317 mm/slub.c:4636 mm/slub.c:4974 mm/slub.c:5413 mm/slub.c:5439)
[   63.080490][ T1429]  __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))
[   63.080492][ T1429]  ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[   63.080499][ T1429]  ? 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)
[   63.080502][ T1429]  alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[   63.080505][ T1429]  put_chars (drivers/char/virtio_console.c:1176)
[   63.080508][ T1429]  ? __send_to_port (drivers/char/virtio_console.c:654)
[   63.080514][ T1429]  hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2))
[   63.080522][ T1429]  ? hvc_write (drivers/tty/hvc/hvc_console.c:501)
[   63.080525][ T1429]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   63.080530][ T1429]  console_emit_next_record (kernel/printk/printk.c:3183)
[   63.080534][ T1429]  ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20)
[   63.080536][ T1429]  ? 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))
[   63.080539][ T1429]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   63.080543][ T1429]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   63.080550][ T1429]  console_flush_one_record (kernel/printk/printk.c:3268)
[   63.080554][ T1429]  ? console_emit_next_record (kernel/printk/printk.c:3150)
[   63.080556][ T1429]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   63.080562][ T1429]  console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420)
[   63.080565][ T1429]  ? console_flush_one_record (kernel/printk/printk.c:3316)
[   63.080567][ T1429]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   63.080568][ T1429]  ? 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)
[   63.080572][ T1429]  ? __down_trylock_console_sem (kernel/printk/printk.c:334)
[   63.080574][ T1429]  ? vprintk_emit (kernel/printk/printk.c:2478)
[   63.080577][ T1429]  vprintk_emit (kernel/printk/printk.c:2479)
[   63.080580][ T1429]  ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126))
[   63.080583][ T1429]  ? _mutex_trylock_nest_lock (kernel/locking/mutex.c:1227 (discriminator 6))
[   63.080588][ T1429]  _printk (kernel/printk/printk.c:2504)
[   63.080592][ T1429]  ? snapshot_read.cold (user.c:?)
[   63.080594][ T1429]  ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4116 (discriminator 3) kernel/rcu/tree.c:4108 (discriminator 3))
[   63.080596][ T1429]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380)
[   63.080599][ T1429]  ? validate_chain (kernel/locking/lockdep.c:3817 (discriminator 2) kernel/locking/lockdep.c:3837 (discriminator 2) kernel/locking/lockdep.c:3892 (discriminator 2))
[   63.080602][ T1429]  ? netdev_name (./include/linux/netdevice.h:5709 (discriminator 1))
[   63.080605][ T1429]  ? __netdev_printk (net/core/dev.c:13148 (discriminator 2))
[   63.080608][ T1429]  ? do_setlink.isra.0 (net/core/rtnetlink.c:3246)
[   63.080611][ T1429]  netdev_info (net/core/dev.c:13195 (discriminator 3))
[   63.080614][ T1429]  ? netdev_notice (net/core/dev.c:13194)
[   63.080616][ T1429]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[   63.080620][ T1429]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554)
[   63.080622][ T1429]  ? mark_held_locks (kernel/locking/lockdep.c:4341)
[   63.080626][ T1429]  ? do_setlink.isra.0 (net/core/rtnetlink.c:3246)
[   63.080628][ T1429]  netif_change_name.cold (net/core/dev.c:1507 (discriminator 3))
[   63.080630][ T1429]  ? register_netdev (net/core/dev.c:11618)
[   63.080632][ T1429]  ? 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))
[   63.080637][ T1429]  ? netdev_adjacent_rename_links (net/core/dev.c:9598)
[   63.080639][ T1429]  ? __kernel_text_address (kernel/extable.c:79)
[   63.080642][ T1429]  ? write_profile (profile.c:?)
[   63.080646][ T1429]  ? __asan_memset (mm/kasan/shadow.c:84 (discriminator 1))
[   63.080652][ T1429]  do_setlink.isra.0 (net/core/rtnetlink.c:3246)
[   63.080655][ T1429]  ? stack_trace_save (kernel/stacktrace.c:122 (discriminator 1))
[   63.080658][ T1429]  ? rtnl_link_get_size (net/core/rtnetlink.c:747)
[   63.080659][ T1429]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:388 kernel/rcu/update.c:380)
[   63.080661][ T1429]  ? stack_depot_save_flags (lib/stackdepot.c:609 (discriminator 2) lib/stackdepot.c:676 (discriminator 2))
[   63.080664][ T1429]  ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4116 (discriminator 3) kernel/rcu/tree.c:4108 (discriminator 3))
[   63.080666][ T1429]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380)
[   63.080668][ T1429]  ? validate_chain (kernel/locking/lockdep.c:3817 (discriminator 2) kernel/locking/lockdep.c:3837 (discriminator 2) kernel/locking/lockdep.c:3892 (discriminator 2))
[   63.080671][ T1429]  ? kasan_save_stack (mm/kasan/common.c:58)
[   63.080673][ T1429]  ? kasan_save_stack (mm/kasan/common.c:57)
[   63.080674][ T1429]  ? kasan_save_track (mm/kasan/common.c:78)
[   63.080676][ T1429]  ? __kasan_kmalloc (mm/kasan/common.c:398 mm/kasan/common.c:415)
[   63.080678][ T1429]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   63.080680][ T1429]  ? snd_ac97_proc_read_main (sound/pci/ac97/ac97_proc.c:320)
[   63.080683][ T1429]  ? ___sys_sendmsg (net/socket.c:2758)
[   63.080687][ T1429]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2))
[   63.080689][ T1429]  ? rtnl_newlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:366 net/core/rtnetlink.c:4214)
[   63.080692][ T1429]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   63.080693][ T1429]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   63.080695][ T1429]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   63.080696][ T1429]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   63.080698][ T1429]  ? trace_contention_end (./include/trace/events/lock.h:121 (discriminator 22))
[   63.080700][ T1429]  ? __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)
[   63.080702][ T1429]  ? __mutex_lock (kernel/locking/mutex.c:656 (discriminator 1) kernel/locking/mutex.c:821 (discriminator 1))
[   63.080704][ T1429]  ? rtnl_newlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:366 net/core/rtnetlink.c:4214)
[   63.080707][ T1429]  ? ww_mutex_lock (kernel/locking/mutex.c:934)
[   63.080708][ T1429]  ? nla_get_range_signed (lib/nlattr.c:270)
[   63.080714][ T1429]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   63.080716][ T1429]  ? __rtnl_newlink (net/core/rtnetlink.c:4063)
[   63.080721][ T1429]  rtnl_newlink (net/core/rtnetlink.c:4215)
[   63.080726][ T1429]  ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558)
[   63.080728][ T1429]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   63.080733][ T1429]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2))
[   63.080735][ T1429]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[   63.080737][ T1429]  ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558)
[   63.080739][ T1429]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554)
[   63.080743][ T1429]  ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558)
[   63.080745][ T1429]  rtnetlink_rcv_msg (net/core/rtnetlink.c:7132)
[   63.080748][ T1429]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   63.080750][ T1429]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   63.080754][ T1429]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2))
[   63.080756][ T1429]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[   63.080760][ T1429]  netlink_rcv_skb (net/netlink/af_netlink.c:2556)
[   63.080763][ T1429]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   63.080766][ T1429]  ? netlink_ack (./include/linux/skbuff.h:2718)
[   63.080773][ T1429]  ? 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))
[   63.080775][ T1429]  ? 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))
[   63.080779][ T1429]  netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[   63.080783][ T1429]  ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[   63.080789][ T1429]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[   63.080794][ T1429]  netlink_sendmsg (net/netlink/af_netlink.c:1900)
[   63.080798][ T1429]  ? netlink_unicast (./include/net/net_namespace.h:422 (discriminator 7))
[   63.080802][ T1429]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554)
[   63.080804][ T1429]  ? __import_iovec (lib/iov_iter.c:1358 lib/iov_iter.c:1373)
[   63.080809][ T1429]  __sock_sendmsg (net/socket.c:800 (discriminator 4) net/socket.c:815 (discriminator 4))
[   63.080812][ T1429]  ____sys_sendmsg (net/socket.c:2713)
[   63.080814][ T1429]  ? copy_msghdr_from_user (net/socket.c:2650)
[   63.080817][ T1429]  ? sock_write_iter (net/socket.c:1269)
[   63.080818][ T1429]  ? move_addr_to_kernel (net/socket.c:258)
[   63.080826][ T1429]  ___sys_sendmsg (net/socket.c:2767)
[   63.080829][ T1429]  ? copy_msghdr_from_user (net/socket.c:2619)
[   63.080845][ T1429]  __sys_sendmsg (net/socket.c:2799)
[   63.080848][ T1429]  ? __sys_sendmsg_sock (net/socket.c:2780)
[   63.080854][ T1429]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   63.080857][ T1429]  do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84)
[   63.080861][ T1429]  ? exc_page_fault (arch/x86/mm/fault.c:1489 (discriminator 3) arch/x86/mm/fault.c:1536 (discriminator 3))
[   63.080864][ T1429]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[   63.080866][ T1429] RIP: 0033:0x7f0a4d7f254e
[   63.080870][ T1429] 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
[   63.080871][ T1429] RSP: 002b:00007ffd03a05110 EFLAGS: 00000202 ORIG_RAX: 000000000000002e
[   63.080874][ T1429] RAX: ffffffffffffffda RBX: 0000000000000005 RCX: 00007f0a4d7f254e
[   63.080876][ T1429] RDX: 0000000000000000 RSI: 00007ffd03a051c0 RDI: 0000000000000005
[   63.080877][ T1429] RBP: 00007ffd03a05120 R08: 0000000000000000 R09: 0000000000000000
[   63.080877][ T1429] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a91a4d6
[   63.080878][ T1429] R13: 00000000004a1620 R14: 0000000000000000 R15: 00007ffd03a05890
| [   77.448404][ T1837] softirqs last disabled at (23068): netif_change_name (./include/linux/spinlock.h:353 ./include/linux/seqlock.h:908 net/core/dev.c:1499)
| [   77.448407][ T1837] Preemption disabled at:
| [   77.448407][ T1837] vprintk_emit (kernel/printk/printk.c:2471)
| [   77.448416][ T1837] Tainted: [W]=WARN
[   77.448417][ T1837] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   77.448418][ T1837] Call Trace:
[   77.448420][ T1837]  <TASK>
[   77.448422][ T1837]  dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120)
[   77.448428][ T1837]  ? vprintk_emit (kernel/printk/printk.c:2471)
[   77.448429][ T1837]  __might_resched.cold (kernel/sched/core.c:9234)
[   77.448434][ T1837]  ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3))
[   77.448438][ T1837]  ? __kmalloc_noprof (./include/linux/sched/mm.h:317 mm/slub.c:4636 mm/slub.c:4974 mm/slub.c:5413 mm/slub.c:5439)
[   77.448443][ T1837]  __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))
[   77.448445][ T1837]  ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[   77.448451][ T1837]  ? 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)
[   77.448454][ T1837]  alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[   77.448458][ T1837]  put_chars (drivers/char/virtio_console.c:1176)
[   77.448460][ T1837]  ? __send_to_port (drivers/char/virtio_console.c:654)
[   77.448466][ T1837]  hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2))
[   77.448474][ T1837]  ? hvc_write (drivers/tty/hvc/hvc_console.c:501)
[   77.448477][ T1837]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   77.448482][ T1837]  console_emit_next_record (kernel/printk/printk.c:3183)
[   77.448486][ T1837]  ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20)
[   77.448488][ T1837]  ? 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))
[   77.448491][ T1837]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   77.448494][ T1837]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   77.448498][ T1837]  console_flush_one_record (kernel/printk/printk.c:3268)
[   77.448502][ T1837]  ? console_emit_next_record (kernel/printk/printk.c:3150)
[   77.448504][ T1837]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   77.448509][ T1837]  console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420)
[   77.448512][ T1837]  ? console_flush_one_record (kernel/printk/printk.c:3316)
[   77.448514][ T1837]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   77.448515][ T1837]  ? 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)
[   77.448519][ T1837]  ? __down_trylock_console_sem (kernel/printk/printk.c:334)
[   77.448521][ T1837]  ? vprintk_emit (kernel/printk/printk.c:2478)
[   77.448523][ T1837]  vprintk_emit (kernel/printk/printk.c:2479)
[   77.448526][ T1837]  ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126))
[   77.448529][ T1837]  ? _mutex_trylock_nest_lock (kernel/locking/mutex.c:1227 (discriminator 6))
[   77.448534][ T1837]  _printk (kernel/printk/printk.c:2504)
[   77.448538][ T1837]  ? snapshot_read.cold (user.c:?)
[   77.448539][ T1837]  ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4116 (discriminator 3) kernel/rcu/tree.c:4108 (discriminator 3))
[   77.448542][ T1837]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380)
[   77.448546][ T1837]  ? validate_chain (kernel/locking/lockdep.c:3817 (discriminator 2) kernel/locking/lockdep.c:3837 (discriminator 2) kernel/locking/lockdep.c:3892 (discriminator 2))
[   77.448549][ T1837]  ? netdev_name (./include/linux/netdevice.h:5709 (discriminator 1))
[   77.448554][ T1837]  ? __netdev_printk (net/core/dev.c:13148 (discriminator 2))
[   77.448558][ T1837]  ? do_setlink.isra.0 (net/core/rtnetlink.c:3246)
[   77.448561][ T1837]  netdev_info (net/core/dev.c:13195 (discriminator 3))
[   77.448563][ T1837]  ? netdev_notice (net/core/dev.c:13194)
[   77.448566][ T1837]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[   77.448569][ T1837]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554)
[   77.448572][ T1837]  ? mark_held_locks (kernel/locking/lockdep.c:4341)
[   77.448575][ T1837]  ? do_setlink.isra.0 (net/core/rtnetlink.c:3246)
[   77.448577][ T1837]  netif_change_name.cold (net/core/dev.c:1507 (discriminator 3))
[   77.448580][ T1837]  ? register_netdev (net/core/dev.c:11618)
[   77.448581][ T1837]  ? 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))
[   77.448587][ T1837]  ? netdev_adjacent_rename_links (net/core/dev.c:9598)
[   77.448589][ T1837]  ? __kernel_text_address (kernel/extable.c:79)
[   77.448592][ T1837]  ? write_profile (profile.c:?)
[   77.448596][ T1837]  ? __asan_memset (mm/kasan/shadow.c:84 (discriminator 1))
[   77.448601][ T1837]  do_setlink.isra.0 (net/core/rtnetlink.c:3246)
[   77.448605][ T1837]  ? stack_trace_save (kernel/stacktrace.c:122 (discriminator 1))
[   77.448607][ T1837]  ? rtnl_link_get_size (net/core/rtnetlink.c:747)
[   77.448608][ T1837]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:388 kernel/rcu/update.c:380)
[   77.448610][ T1837]  ? stack_depot_save_flags (lib/stackdepot.c:609 (discriminator 2) lib/stackdepot.c:676 (discriminator 2))
[   77.448613][ T1837]  ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4116 (discriminator 3) kernel/rcu/tree.c:4108 (discriminator 3))
[   77.448615][ T1837]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380)
[   77.448617][ T1837]  ? validate_chain (kernel/locking/lockdep.c:3817 (discriminator 2) kernel/locking/lockdep.c:3837 (discriminator 2) kernel/locking/lockdep.c:3892 (discriminator 2))
[   77.448619][ T1837]  ? kasan_save_stack (mm/kasan/common.c:58)
[   77.448621][ T1837]  ? kasan_save_stack (mm/kasan/common.c:57)
[   77.448622][ T1837]  ? kasan_save_track (mm/kasan/common.c:78)
[   77.448624][ T1837]  ? __kasan_kmalloc (mm/kasan/common.c:398 mm/kasan/common.c:415)
[   77.448626][ T1837]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   77.448628][ T1837]  ? snd_ac97_proc_read_main (sound/pci/ac97/ac97_proc.c:320)
[   77.448630][ T1837]  ? ___sys_sendmsg (net/socket.c:2758)
[   77.448634][ T1837]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2))
[   77.448636][ T1837]  ? rtnl_newlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:366 net/core/rtnetlink.c:4214)
[   77.448638][ T1837]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   77.448640][ T1837]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   77.448642][ T1837]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   77.448643][ T1837]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   77.448644][ T1837]  ? trace_contention_end (./include/trace/events/lock.h:121 (discriminator 22))
[   77.448647][ T1837]  ? __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)
[   77.448648][ T1837]  ? __mutex_lock (kernel/locking/mutex.c:656 (discriminator 1) kernel/locking/mutex.c:821 (discriminator 1))
[   77.448650][ T1837]  ? rtnl_newlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:366 net/core/rtnetlink.c:4214)
[   77.448653][ T1837]  ? ww_mutex_lock (kernel/locking/mutex.c:934)
[   77.448654][ T1837]  ? nla_get_range_signed (lib/nlattr.c:270)
[   77.448659][ T1837]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   77.448661][ T1837]  ? __rtnl_newlink (net/core/rtnetlink.c:4063)
[   77.448667][ T1837]  rtnl_newlink (net/core/rtnetlink.c:4215)
[   77.448672][ T1837]  ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558)
[   77.448674][ T1837]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   77.448678][ T1837]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2))
[   77.448680][ T1837]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[   77.448682][ T1837]  ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558)
[   77.448684][ T1837]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554)
[   77.448687][ T1837]  ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558)
[   77.448689][ T1837]  rtnetlink_rcv_msg (net/core/rtnetlink.c:7132)
[   77.448692][ T1837]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   77.448694][ T1837]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   77.448698][ T1837]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2))
[   77.448700][ T1837]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[   77.448703][ T1837]  netlink_rcv_skb (net/netlink/af_netlink.c:2556)
[   77.448707][ T1837]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   77.448710][ T1837]  ? netlink_ack (./include/linux/skbuff.h:2718)
[   77.448716][ T1837]  ? 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))
[   77.448718][ T1837]  ? 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))
[   77.448722][ T1837]  netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[   77.448726][ T1837]  ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[   77.448729][ T1837]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[   77.448733][ T1837]  netlink_sendmsg (net/netlink/af_netlink.c:1900)
[   77.448737][ T1837]  ? netlink_unicast (./include/net/net_namespace.h:422 (discriminator 7))
[   77.448740][ T1837]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554)
[   77.448742][ T1837]  ? __import_iovec (lib/iov_iter.c:1358 lib/iov_iter.c:1373)
[   77.448747][ T1837]  __sock_sendmsg (net/socket.c:800 (discriminator 4) net/socket.c:815 (discriminator 4))
[   77.448750][ T1837]  ____sys_sendmsg (net/socket.c:2713)
[   77.448752][ T1837]  ? copy_msghdr_from_user (net/socket.c:2650)
[   77.448755][ T1837]  ? sock_write_iter (net/socket.c:1269)
[   77.448756][ T1837]  ? move_addr_to_kernel (net/socket.c:258)
[   77.448763][ T1837]  ___sys_sendmsg (net/socket.c:2767)
[   77.448766][ T1837]  ? copy_msghdr_from_user (net/socket.c:2619)
[   77.448782][ T1837]  __sys_sendmsg (net/socket.c:2799)
[   77.448787][ T1837]  ? __sys_sendmsg_sock (net/socket.c:2780)
[   77.448793][ T1837]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   77.448796][ T1837]  do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84)
[   77.448799][ T1837]  ? exc_page_fault (arch/x86/mm/fault.c:1489 (discriminator 3) arch/x86/mm/fault.c:1536 (discriminator 3))
[   77.448802][ T1837]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[   77.448805][ T1837] RIP: 0033:0x7f40f24a054e
[   77.448808][ T1837] 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
[   77.448810][ T1837] RSP: 002b:00007ffea5f17870 EFLAGS: 00000202 ORIG_RAX: 000000000000002e
[   77.448813][ T1837] RAX: ffffffffffffffda RBX: 0000000000000005 RCX: 00007f40f24a054e
[   77.448815][ T1837] RDX: 0000000000000000 RSI: 00007ffea5f17920 RDI: 0000000000000005
[   77.448815][ T1837] RBP: 00007ffea5f17880 R08: 0000000000000000 R09: 0000000000000000
[   77.448816][ T1837] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a91a4e4
[   77.448817][ T1837] R13: 00000000004a1620 R14: 0000000000000000 R15: 00007ffea5f17ff0
| [   91.954458][ T2246] softirqs last disabled at (23526): netif_change_name (./include/linux/spinlock.h:353 ./include/linux/seqlock.h:908 net/core/dev.c:1499)
| [   91.954461][ T2246] Preemption disabled at:
| [   91.954461][ T2246] vprintk_emit (kernel/printk/printk.c:2471)
| [   91.954470][ T2246] Tainted: [W]=WARN
[   91.954471][ T2246] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   91.954472][ T2246] Call Trace:
[   91.954474][ T2246]  <TASK>
[   91.954476][ T2246]  dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120)
[   91.954482][ T2246]  ? vprintk_emit (kernel/printk/printk.c:2471)
[   91.954484][ T2246]  __might_resched.cold (kernel/sched/core.c:9234)
[   91.954488][ T2246]  ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3))
[   91.954492][ T2246]  ? __kmalloc_noprof (./include/linux/sched/mm.h:317 mm/slub.c:4636 mm/slub.c:4974 mm/slub.c:5413 mm/slub.c:5439)
[   91.954497][ T2246]  __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))
[   91.954499][ T2246]  ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[   91.954506][ T2246]  ? 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)
[   91.954508][ T2246]  alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[   91.954512][ T2246]  put_chars (drivers/char/virtio_console.c:1176)
[   91.954515][ T2246]  ? __send_to_port (drivers/char/virtio_console.c:654)
[   91.954521][ T2246]  hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2))
[   91.954529][ T2246]  ? hvc_write (drivers/tty/hvc/hvc_console.c:501)
[   91.954532][ T2246]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   91.954537][ T2246]  console_emit_next_record (kernel/printk/printk.c:3183)
[   91.954542][ T2246]  ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20)
[   91.954545][ T2246]  ? 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))
[   91.954550][ T2246]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   91.954553][ T2246]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   91.954557][ T2246]  console_flush_one_record (kernel/printk/printk.c:3268)
[   91.954561][ T2246]  ? console_emit_next_record (kernel/printk/printk.c:3150)
[   91.954563][ T2246]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   91.954569][ T2246]  console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420)
[   91.954572][ T2246]  ? console_flush_one_record (kernel/printk/printk.c:3316)
[   91.954574][ T2246]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   91.954575][ T2246]  ? 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)
[   91.954579][ T2246]  ? __down_trylock_console_sem (kernel/printk/printk.c:334)
[   91.954581][ T2246]  ? vprintk_emit (kernel/printk/printk.c:2478)
[   91.954584][ T2246]  vprintk_emit (kernel/printk/printk.c:2479)
[   91.954587][ T2246]  ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126))
[   91.954590][ T2246]  ? _mutex_trylock_nest_lock (kernel/locking/mutex.c:1227 (discriminator 6))
[   91.954595][ T2246]  _printk (kernel/printk/printk.c:2504)
[   91.954598][ T2246]  ? snapshot_read.cold (user.c:?)
[   91.954600][ T2246]  ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4116 (discriminator 3) kernel/rcu/tree.c:4108 (discriminator 3))
[   91.954603][ T2246]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380)
[   91.954606][ T2246]  ? validate_chain (kernel/locking/lockdep.c:3817 (discriminator 2) kernel/locking/lockdep.c:3837 (discriminator 2) kernel/locking/lockdep.c:3892 (discriminator 2))
[   91.954608][ T2246]  ? netdev_name (./include/linux/netdevice.h:5709 (discriminator 1))
[   91.954612][ T2246]  ? __netdev_printk (net/core/dev.c:13148 (discriminator 2))
[   91.954614][ T2246]  ? do_setlink.isra.0 (net/core/rtnetlink.c:3246)
[   91.954617][ T2246]  netdev_info (net/core/dev.c:13195 (discriminator 3))
[   91.954620][ T2246]  ? netdev_notice (net/core/dev.c:13194)
[   91.954622][ T2246]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[   91.954626][ T2246]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554)
[   91.954628][ T2246]  ? mark_held_locks (kernel/locking/lockdep.c:4341)
[   91.954632][ T2246]  ? do_setlink.isra.0 (net/core/rtnetlink.c:3246)
[   91.954634][ T2246]  netif_change_name.cold (net/core/dev.c:1507 (discriminator 3))
[   91.954636][ T2246]  ? register_netdev (net/core/dev.c:11618)
[   91.954638][ T2246]  ? 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))
[   91.954643][ T2246]  ? netdev_adjacent_rename_links (net/core/dev.c:9598)
[   91.954646][ T2246]  ? __kernel_text_address (kernel/extable.c:79)
[   91.954648][ T2246]  ? write_profile (profile.c:?)
[   91.954653][ T2246]  ? __asan_memset (mm/kasan/shadow.c:84 (discriminator 1))
[   91.954659][ T2246]  do_setlink.isra.0 (net/core/rtnetlink.c:3246)
[   91.954663][ T2246]  ? stack_trace_save (kernel/stacktrace.c:122 (discriminator 1))
[   91.954665][ T2246]  ? rtnl_link_get_size (net/core/rtnetlink.c:747)
[   91.954666][ T2246]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:388 kernel/rcu/update.c:380)
[   91.954668][ T2246]  ? stack_depot_save_flags (lib/stackdepot.c:609 (discriminator 2) lib/stackdepot.c:676 (discriminator 2))
[   91.954672][ T2246]  ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4116 (discriminator 3) kernel/rcu/tree.c:4108 (discriminator 3))
[   91.954674][ T2246]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380)
[   91.954675][ T2246]  ? validate_chain (kernel/locking/lockdep.c:3817 (discriminator 2) kernel/locking/lockdep.c:3837 (discriminator 2) kernel/locking/lockdep.c:3892 (discriminator 2))
[   91.954678][ T2246]  ? kasan_save_stack (mm/kasan/common.c:58)
[   91.954680][ T2246]  ? kasan_save_stack (mm/kasan/common.c:57)
[   91.954681][ T2246]  ? kasan_save_track (mm/kasan/common.c:78)
[   91.954682][ T2246]  ? __kasan_kmalloc (mm/kasan/common.c:398 mm/kasan/common.c:415)
[   91.954685][ T2246]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   91.954687][ T2246]  ? snd_ac97_proc_read_main (sound/pci/ac97/ac97_proc.c:320)
[   91.954690][ T2246]  ? ___sys_sendmsg (net/socket.c:2758)
[   91.954694][ T2246]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2))
[   91.954696][ T2246]  ? rtnl_newlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:366 net/core/rtnetlink.c:4214)
[   91.954699][ T2246]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   91.954700][ T2246]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   91.954702][ T2246]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   91.954703][ T2246]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   91.954705][ T2246]  ? trace_contention_end (./include/trace/events/lock.h:121 (discriminator 22))
[   91.954707][ T2246]  ? __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)
[   91.954709][ T2246]  ? __mutex_lock (kernel/locking/mutex.c:656 (discriminator 1) kernel/locking/mutex.c:821 (discriminator 1))
[   91.954711][ T2246]  ? rtnl_newlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:366 net/core/rtnetlink.c:4214)
[   91.954714][ T2246]  ? ww_mutex_lock (kernel/locking/mutex.c:934)
[   91.954715][ T2246]  ? nla_get_range_signed (lib/nlattr.c:270)
[   91.954721][ T2246]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   91.954723][ T2246]  ? __rtnl_newlink (net/core/rtnetlink.c:4063)
[   91.954728][ T2246]  rtnl_newlink (net/core/rtnetlink.c:4215)
[   91.954734][ T2246]  ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558)
[   91.954736][ T2246]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   91.954740][ T2246]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2))
[   91.954742][ T2246]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[   91.954744][ T2246]  ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558)
[   91.954746][ T2246]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554)
[   91.954750][ T2246]  ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558)
[   91.954752][ T2246]  rtnetlink_rcv_msg (net/core/rtnetlink.c:7132)
[   91.954755][ T2246]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   91.954757][ T2246]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   91.954761][ T2246]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2))
[   91.954763][ T2246]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[   91.954767][ T2246]  netlink_rcv_skb (net/netlink/af_netlink.c:2556)
[   91.954770][ T2246]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   91.954773][ T2246]  ? netlink_ack (./include/linux/skbuff.h:2718)
[   91.954779][ T2246]  ? 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))
[   91.954781][ T2246]  ? 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))
[   91.954789][ T2246]  netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[   91.954793][ T2246]  ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[   91.954796][ T2246]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[   91.954800][ T2246]  netlink_sendmsg (net/netlink/af_netlink.c:1900)
[   91.954804][ T2246]  ? netlink_unicast (./include/net/net_namespace.h:422 (discriminator 7))
[   91.954808][ T2246]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554)
[   91.954810][ T2246]  ? __import_iovec (lib/iov_iter.c:1358 lib/iov_iter.c:1373)
[   91.954815][ T2246]  __sock_sendmsg (net/socket.c:800 (discriminator 4) net/socket.c:815 (discriminator 4))
[   91.954818][ T2246]  ____sys_sendmsg (net/socket.c:2713)
[   91.954821][ T2246]  ? copy_msghdr_from_user (net/socket.c:2650)
[   91.954823][ T2246]  ? sock_write_iter (net/socket.c:1269)
[   91.954825][ T2246]  ? move_addr_to_kernel (net/socket.c:258)
[   91.954832][ T2246]  ___sys_sendmsg (net/socket.c:2767)
[   91.954835][ T2246]  ? copy_msghdr_from_user (net/socket.c:2619)
[   91.954851][ T2246]  __sys_sendmsg (net/socket.c:2799)
[   91.954854][ T2246]  ? __sys_sendmsg_sock (net/socket.c:2780)
[   91.954861][ T2246]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   91.954864][ T2246]  do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84)
[   91.954867][ T2246]  ? exc_page_fault (arch/x86/mm/fault.c:1489 (discriminator 3) arch/x86/mm/fault.c:1536 (discriminator 3))
[   91.954870][ T2246]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[   91.954872][ T2246] RIP: 0033:0x7fbae637154e
[   91.954876][ T2246] 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
[   91.954878][ T2246] RSP: 002b:00007ffcf58795d0 EFLAGS: 00000202 ORIG_RAX: 000000000000002e
[   91.954880][ T2246] RAX: ffffffffffffffda RBX: 0000000000000005 RCX: 00007fbae637154e
[   91.954882][ T2246] RDX: 0000000000000000 RSI: 00007ffcf5879680 RDI: 0000000000000005
[   91.954883][ T2246] RBP: 00007ffcf58795e0 R08: 0000000000000000 R09: 0000000000000000
[   91.954884][ T2246] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a91a4f3
[   91.954884][ T2246] R13: 00000000004a1620 R14: 0000000000000000 R15: 00007ffcf5879d50
| [  217.015394][ T3723] softirqs last disabled at (22708): netif_change_name (./include/linux/spinlock.h:353 ./include/linux/seqlock.h:908 net/core/dev.c:1499)
| [  217.015396][ T3723] Preemption disabled at:
| [  217.015397][ T3723] vprintk_emit (kernel/printk/printk.c:2471)
| [  217.015405][ T3723] Tainted: [W]=WARN
[  217.015406][ T3723] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[  217.015408][ T3723] Call Trace:
[  217.015409][ T3723]  <TASK>
[  217.015411][ T3723]  dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120)
[  217.015417][ T3723]  ? vprintk_emit (kernel/printk/printk.c:2471)
[  217.015419][ T3723]  __might_resched.cold (kernel/sched/core.c:9234)
[  217.015424][ T3723]  ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3))
[  217.015428][ T3723]  ? __kmalloc_noprof (./include/linux/sched/mm.h:317 mm/slub.c:4636 mm/slub.c:4974 mm/slub.c:5413 mm/slub.c:5439)
[  217.015433][ T3723]  __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))
[  217.015434][ T3723]  ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[  217.015441][ T3723]  ? 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)
[  217.015444][ T3723]  alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[  217.015448][ T3723]  put_chars (drivers/char/virtio_console.c:1176)
[  217.015450][ T3723]  ? __send_to_port (drivers/char/virtio_console.c:654)
[  217.015457][ T3723]  hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2))
[  217.015465][ T3723]  ? hvc_write (drivers/tty/hvc/hvc_console.c:501)
[  217.015468][ T3723]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  217.015473][ T3723]  console_emit_next_record (kernel/printk/printk.c:3183)
[  217.015477][ T3723]  ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20)
[  217.015479][ T3723]  ? 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))
[  217.015482][ T3723]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  217.015485][ T3723]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  217.015489][ T3723]  console_flush_one_record (kernel/printk/printk.c:3268)
[  217.015494][ T3723]  ? console_emit_next_record (kernel/printk/printk.c:3150)
[  217.015496][ T3723]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[  217.015501][ T3723]  console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420)
[  217.015504][ T3723]  ? console_flush_one_record (kernel/printk/printk.c:3316)
[  217.015506][ T3723]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  217.015508][ T3723]  ? 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)
[  217.015511][ T3723]  ? __down_trylock_console_sem (kernel/printk/printk.c:334)
[  217.015513][ T3723]  ? vprintk_emit (kernel/printk/printk.c:2478)
[  217.015516][ T3723]  vprintk_emit (kernel/printk/printk.c:2479)
[  217.015519][ T3723]  ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126))
[  217.015522][ T3723]  ? _mutex_trylock_nest_lock (kernel/locking/mutex.c:1227 (discriminator 6))
[  217.015527][ T3723]  _printk (kernel/printk/printk.c:2504)
[  217.015531][ T3723]  ? snapshot_read.cold (user.c:?)
[  217.015533][ T3723]  ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4116 (discriminator 3) kernel/rcu/tree.c:4108 (discriminator 3))
[  217.015535][ T3723]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380)
[  217.015538][ T3723]  ? validate_chain (kernel/locking/lockdep.c:3817 (discriminator 2) kernel/locking/lockdep.c:3837 (discriminator 2) kernel/locking/lockdep.c:3892 (discriminator 2))
[  217.015540][ T3723]  ? netdev_name (./include/linux/netdevice.h:5709 (discriminator 1))
[  217.015546][ T3723]  ? __netdev_printk (net/core/dev.c:13148 (discriminator 2))
[  217.015550][ T3723]  ? do_setlink.isra.0 (net/core/rtnetlink.c:3246)
[  217.015553][ T3723]  netdev_info (net/core/dev.c:13195 (discriminator 3))
[  217.015556][ T3723]  ? netdev_notice (net/core/dev.c:13194)
[  217.015559][ T3723]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[  217.015562][ T3723]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554)
[  217.015564][ T3723]  ? mark_held_locks (kernel/locking/lockdep.c:4341)
[  217.015568][ T3723]  ? do_setlink.isra.0 (net/core/rtnetlink.c:3246)
[  217.015570][ T3723]  netif_change_name.cold (net/core/dev.c:1507 (discriminator 3))
[  217.015573][ T3723]  ? register_netdev (net/core/dev.c:11618)
[  217.015574][ T3723]  ? 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))
[  217.015580][ T3723]  ? netdev_adjacent_rename_links (net/core/dev.c:9598)
[  217.015582][ T3723]  ? __kernel_text_address (kernel/extable.c:79)
[  217.015585][ T3723]  ? write_profile (profile.c:?)
[  217.015589][ T3723]  ? __asan_memset (mm/kasan/shadow.c:84 (discriminator 1))
[  217.015595][ T3723]  do_setlink.isra.0 (net/core/rtnetlink.c:3246)
[  217.015599][ T3723]  ? stack_trace_save (kernel/stacktrace.c:122 (discriminator 1))
[  217.015601][ T3723]  ? rtnl_link_get_size (net/core/rtnetlink.c:747)
[  217.015602][ T3723]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:388 kernel/rcu/update.c:380)
[  217.015604][ T3723]  ? stack_depot_save_flags (lib/stackdepot.c:609 (discriminator 2) lib/stackdepot.c:676 (discriminator 2))
[  217.015608][ T3723]  ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4116 (discriminator 3) kernel/rcu/tree.c:4108 (discriminator 3))
[  217.015610][ T3723]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380)
[  217.015611][ T3723]  ? validate_chain (kernel/locking/lockdep.c:3817 (discriminator 2) kernel/locking/lockdep.c:3837 (discriminator 2) kernel/locking/lockdep.c:3892 (discriminator 2))
[  217.015614][ T3723]  ? kasan_save_stack (mm/kasan/common.c:58)
[  217.015616][ T3723]  ? kasan_save_stack (mm/kasan/common.c:57)
[  217.015617][ T3723]  ? kasan_save_track (mm/kasan/common.c:78)
[  217.015618][ T3723]  ? __kasan_kmalloc (mm/kasan/common.c:398 mm/kasan/common.c:415)
[  217.015621][ T3723]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[  217.015623][ T3723]  ? snd_ac97_proc_read_main (sound/pci/ac97/ac97_proc.c:320)
[  217.015626][ T3723]  ? ___sys_sendmsg (net/socket.c:2758)
[  217.015630][ T3723]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2))
[  217.015632][ T3723]  ? rtnl_newlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:366 net/core/rtnetlink.c:4214)
[  217.015634][ T3723]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  217.015636][ T3723]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  217.015638][ T3723]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  217.015639][ T3723]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  217.015641][ T3723]  ? trace_contention_end (./include/trace/events/lock.h:121 (discriminator 22))
[  217.015643][ T3723]  ? __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)
[  217.015644][ T3723]  ? __mutex_lock (kernel/locking/mutex.c:656 (discriminator 1) kernel/locking/mutex.c:821 (discriminator 1))
[  217.015646][ T3723]  ? rtnl_newlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:366 net/core/rtnetlink.c:4214)
[  217.015650][ T3723]  ? ww_mutex_lock (kernel/locking/mutex.c:934)
[  217.015651][ T3723]  ? nla_get_range_signed (lib/nlattr.c:270)
[  217.015656][ T3723]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  217.015659][ T3723]  ? __rtnl_newlink (net/core/rtnetlink.c:4063)
[  217.015664][ T3723]  rtnl_newlink (net/core/rtnetlink.c:4215)
[  217.015670][ T3723]  ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558)
[  217.015672][ T3723]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[  217.015676][ T3723]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2))
[  217.015678][ T3723]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[  217.015680][ T3723]  ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558)
[  217.015682][ T3723]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554)
[  217.015686][ T3723]  ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558)
[  217.015688][ T3723]  rtnetlink_rcv_msg (net/core/rtnetlink.c:7132)
[  217.015691][ T3723]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[  217.015693][ T3723]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[  217.015697][ T3723]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2))
[  217.015699][ T3723]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[  217.015703][ T3723]  netlink_rcv_skb (net/netlink/af_netlink.c:2556)
[  217.015706][ T3723]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[  217.015709][ T3723]  ? netlink_ack (./include/linux/skbuff.h:2718)
[  217.015715][ T3723]  ? 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))
[  217.015718][ T3723]  ? 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))
[  217.015722][ T3723]  netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[  217.015726][ T3723]  ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[  217.015729][ T3723]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[  217.015733][ T3723]  netlink_sendmsg (net/netlink/af_netlink.c:1900)
[  217.015737][ T3723]  ? netlink_unicast (./include/net/net_namespace.h:422 (discriminator 7))
[  217.015741][ T3723]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554)
[  217.015743][ T3723]  ? __import_iovec (lib/iov_iter.c:1358 lib/iov_iter.c:1373)
[  217.015749][ T3723]  __sock_sendmsg (net/socket.c:800 (discriminator 4) net/socket.c:815 (discriminator 4))
[  217.015752][ T3723]  ____sys_sendmsg (net/socket.c:2713)
[  217.015754][ T3723]  ? copy_msghdr_from_user (net/socket.c:2650)
[  217.015756][ T3723]  ? sock_write_iter (net/socket.c:1269)
[  217.015758][ T3723]  ? move_addr_to_kernel (net/socket.c:258)
[  217.015766][ T3723]  ___sys_sendmsg (net/socket.c:2767)
[  217.015768][ T3723]  ? copy_msghdr_from_user (net/socket.c:2619)
[  217.015788][ T3723]  __sys_sendmsg (net/socket.c:2799)
[  217.015792][ T3723]  ? __sys_sendmsg_sock (net/socket.c:2780)
[  217.015798][ T3723]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  217.015801][ T3723]  do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84)
[  217.015804][ T3723]  ? exc_page_fault (arch/x86/mm/fault.c:1489 (discriminator 3) arch/x86/mm/fault.c:1536 (discriminator 3))
[  217.015807][ T3723]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[  217.015810][ T3723] RIP: 0033:0x7f766187f54e
[  217.015814][ T3723] 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
[  217.015815][ T3723] RSP: 002b:00007ffe7ba72c30 EFLAGS: 00000202 ORIG_RAX: 000000000000002e
[  217.015818][ T3723] RAX: ffffffffffffffda RBX: 0000000000000005 RCX: 00007f766187f54e
[  217.015820][ T3723] RDX: 0000000000000000 RSI: 00007ffe7ba72ce0 RDI: 0000000000000005
[  217.015821][ T3723] RBP: 00007ffe7ba72c40 R08: 0000000000000000 R09: 0000000000000000
[  217.015821][ T3723] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a91a570
[  217.015822][ T3723] R13: 00000000004a1620 R14: 0000000000000000 R15: 00007ffe7ba733b0
| [  224.168323][ T3940] softirqs last disabled at (23810): netif_change_name (./include/linux/spinlock.h:353 ./include/linux/seqlock.h:908 net/core/dev.c:1499)
| [  224.168325][ T3940] Preemption disabled at:
| [  224.168326][ T3940] vprintk_emit (kernel/printk/printk.c:2471)
| [  224.168335][ T3940] Tainted: [W]=WARN
[  224.168335][ T3940] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[  224.168337][ T3940] Call Trace:
[  224.168339][ T3940]  <TASK>
[  224.168340][ T3940]  dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120)
[  224.168347][ T3940]  ? vprintk_emit (kernel/printk/printk.c:2471)
[  224.168348][ T3940]  __might_resched.cold (kernel/sched/core.c:9234)
[  224.168353][ T3940]  ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3))
[  224.168358][ T3940]  ? __kmalloc_noprof (./include/linux/sched/mm.h:317 mm/slub.c:4636 mm/slub.c:4974 mm/slub.c:5413 mm/slub.c:5439)
[  224.168362][ T3940]  __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))
[  224.168364][ T3940]  ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[  224.168371][ T3940]  ? 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)
[  224.168374][ T3940]  alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[  224.168378][ T3940]  put_chars (drivers/char/virtio_console.c:1176)
[  224.168380][ T3940]  ? __send_to_port (drivers/char/virtio_console.c:654)
[  224.168387][ T3940]  hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2))
[  224.168395][ T3940]  ? hvc_write (drivers/tty/hvc/hvc_console.c:501)
[  224.168398][ T3940]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  224.168403][ T3940]  console_emit_next_record (kernel/printk/printk.c:3183)
[  224.168407][ T3940]  ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20)
[  224.168409][ T3940]  ? 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))
[  224.168413][ T3940]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  224.168415][ T3940]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  224.168420][ T3940]  console_flush_one_record (kernel/printk/printk.c:3268)
[  224.168424][ T3940]  ? console_emit_next_record (kernel/printk/printk.c:3150)
[  224.168426][ T3940]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[  224.168432][ T3940]  console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420)
[  224.168435][ T3940]  ? console_flush_one_record (kernel/printk/printk.c:3316)
[  224.168437][ T3940]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  224.168439][ T3940]  ? 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)
[  224.168443][ T3940]  ? __down_trylock_console_sem (kernel/printk/printk.c:334)
[  224.168444][ T3940]  ? vprintk_emit (kernel/printk/printk.c:2478)
[  224.168447][ T3940]  vprintk_emit (kernel/printk/printk.c:2479)
[  224.168451][ T3940]  ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126))
[  224.168453][ T3940]  ? _mutex_trylock_nest_lock (kernel/locking/mutex.c:1227 (discriminator 6))
[  224.168459][ T3940]  _printk (kernel/printk/printk.c:2504)
[  224.168463][ T3940]  ? snapshot_read.cold (user.c:?)
[  224.168464][ T3940]  ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4116 (discriminator 3) kernel/rcu/tree.c:4108 (discriminator 3))
[  224.168467][ T3940]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380)
[  224.168470][ T3940]  ? validate_chain (kernel/locking/lockdep.c:3817 (discriminator 2) kernel/locking/lockdep.c:3837 (discriminator 2) kernel/locking/lockdep.c:3892 (discriminator 2))
[  224.168472][ T3940]  ? netdev_name (./include/linux/netdevice.h:5709 (discriminator 1))
[  224.168476][ T3940]  ? __netdev_printk (net/core/dev.c:13148 (discriminator 2))
[  224.168479][ T3940]  ? do_setlink.isra.0 (net/core/rtnetlink.c:3246)
[  224.168482][ T3940]  netdev_info (net/core/dev.c:13195 (discriminator 3))
[  224.168485][ T3940]  ? netdev_notice (net/core/dev.c:13194)
[  224.168487][ T3940]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[  224.168491][ T3940]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554)
[  224.168493][ T3940]  ? mark_held_locks (kernel/locking/lockdep.c:4341)
[  224.168497][ T3940]  ? do_setlink.isra.0 (net/core/rtnetlink.c:3246)
[  224.168499][ T3940]  netif_change_name.cold (net/core/dev.c:1507 (discriminator 3))
[  224.168501][ T3940]  ? register_netdev (net/core/dev.c:11618)
[  224.168503][ T3940]  ? 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))
[  224.168508][ T3940]  ? netdev_adjacent_rename_links (net/core/dev.c:9598)
[  224.168511][ T3940]  ? __kernel_text_address (kernel/extable.c:79)
[  224.168513][ T3940]  ? write_profile (profile.c:?)
[  224.168518][ T3940]  ? __asan_memset (mm/kasan/shadow.c:84 (discriminator 1))
[  224.168524][ T3940]  do_setlink.isra.0 (net/core/rtnetlink.c:3246)
[  224.168527][ T3940]  ? stack_trace_save (kernel/stacktrace.c:122 (discriminator 1))
[  224.168529][ T3940]  ? rtnl_link_get_size (net/core/rtnetlink.c:747)
[  224.168531][ T3940]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:388 kernel/rcu/update.c:380)
[  224.168533][ T3940]  ? stack_depot_save_flags (lib/stackdepot.c:609 (discriminator 2) lib/stackdepot.c:676 (discriminator 2))
[  224.168536][ T3940]  ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4116 (discriminator 3) kernel/rcu/tree.c:4108 (discriminator 3))
[  224.168538][ T3940]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380)
[  224.168540][ T3940]  ? validate_chain (kernel/locking/lockdep.c:3817 (discriminator 2) kernel/locking/lockdep.c:3837 (discriminator 2) kernel/locking/lockdep.c:3892 (discriminator 2))
[  224.168544][ T3940]  ? kasan_save_stack (mm/kasan/common.c:58)
[  224.168547][ T3940]  ? kasan_save_stack (mm/kasan/common.c:57)
[  224.168549][ T3940]  ? kasan_save_track (mm/kasan/common.c:78)
[  224.168551][ T3940]  ? __kasan_kmalloc (mm/kasan/common.c:398 mm/kasan/common.c:415)
[  224.168553][ T3940]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[  224.168555][ T3940]  ? snd_ac97_proc_read_main (sound/pci/ac97/ac97_proc.c:320)
[  224.168558][ T3940]  ? ___sys_sendmsg (net/socket.c:2758)
[  224.168562][ T3940]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2))
[  224.168564][ T3940]  ? rtnl_newlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:366 net/core/rtnetlink.c:4214)
[  224.168567][ T3940]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  224.168569][ T3940]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  224.168570][ T3940]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  224.168572][ T3940]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  224.168573][ T3940]  ? trace_contention_end (./include/trace/events/lock.h:121 (discriminator 22))
[  224.168576][ T3940]  ? __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)
[  224.168577][ T3940]  ? __mutex_lock (kernel/locking/mutex.c:656 (discriminator 1) kernel/locking/mutex.c:821 (discriminator 1))
[  224.168579][ T3940]  ? rtnl_newlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:366 net/core/rtnetlink.c:4214)
[  224.168582][ T3940]  ? ww_mutex_lock (kernel/locking/mutex.c:934)
[  224.168584][ T3940]  ? nla_get_range_signed (lib/nlattr.c:270)
[  224.168589][ T3940]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  224.168591][ T3940]  ? __rtnl_newlink (net/core/rtnetlink.c:4063)
[  224.168597][ T3940]  rtnl_newlink (net/core/rtnetlink.c:4215)
[  224.168602][ T3940]  ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558)
[  224.168604][ T3940]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[  224.168609][ T3940]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2))
[  224.168611][ T3940]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[  224.168613][ T3940]  ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558)
[  224.168615][ T3940]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554)
[  224.168618][ T3940]  ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558)
[  224.168621][ T3940]  rtnetlink_rcv_msg (net/core/rtnetlink.c:7132)
[  224.168624][ T3940]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[  224.168625][ T3940]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[  224.168630][ T3940]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2))
[  224.168632][ T3940]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[  224.168635][ T3940]  netlink_rcv_skb (net/netlink/af_netlink.c:2556)
[  224.168639][ T3940]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[  224.168641][ T3940]  ? netlink_ack (./include/linux/skbuff.h:2718)
[  224.168648][ T3940]  ? 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))
[  224.168650][ T3940]  ? 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))
[  224.168655][ T3940]  netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[  224.168659][ T3940]  ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[  224.168662][ T3940]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[  224.168666][ T3940]  netlink_sendmsg (net/netlink/af_netlink.c:1900)
[  224.168670][ T3940]  ? netlink_unicast (./include/net/net_namespace.h:422 (discriminator 7))
[  224.168674][ T3940]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554)
[  224.168676][ T3940]  ? __import_iovec (lib/iov_iter.c:1358 lib/iov_iter.c:1373)
[  224.168681][ T3940]  __sock_sendmsg (net/socket.c:800 (discriminator 4) net/socket.c:815 (discriminator 4))
[  224.168684][ T3940]  ____sys_sendmsg (net/socket.c:2713)
[  224.168686][ T3940]  ? copy_msghdr_from_user (net/socket.c:2650)
[  224.168689][ T3940]  ? sock_write_iter (net/socket.c:1269)
[  224.168691][ T3940]  ? move_addr_to_kernel (net/socket.c:258)
[  224.168698][ T3940]  ___sys_sendmsg (net/socket.c:2767)
[  224.168701][ T3940]  ? copy_msghdr_from_user (net/socket.c:2619)
[  224.168717][ T3940]  __sys_sendmsg (net/socket.c:2799)
[  224.168720][ T3940]  ? __sys_sendmsg_sock (net/socket.c:2780)
[  224.168727][ T3940]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  224.168730][ T3940]  do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84)
[  224.168733][ T3940]  ? exc_page_fault (arch/x86/mm/fault.c:1489 (discriminator 3) arch/x86/mm/fault.c:1536 (discriminator 3))
[  224.168736][ T3940]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[  224.168738][ T3940] RIP: 0033:0x7fa34297954e
[  224.168742][ T3940] 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
[  224.168744][ T3940] RSP: 002b:00007fff10f43ee0 EFLAGS: 00000202 ORIG_RAX: 000000000000002e
[  224.168747][ T3940] RAX: ffffffffffffffda RBX: 0000000000000005 RCX: 00007fa34297954e
[  224.168748][ T3940] RDX: 0000000000000000 RSI: 00007fff10f43f90 RDI: 0000000000000005
[  224.168749][ T3940] RBP: 00007fff10f43ef0 R08: 0000000000000000 R09: 0000000000000000
[  224.168750][ T3940] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a91a577
[  224.168751][ T3940] R13: 00000000004a1620 R14: 0000000000000000 R15: 00007fff10f44660
| [  300.855428][ T4927] softirqs last disabled at (24076): netif_change_name (./include/linux/spinlock.h:353 ./include/linux/seqlock.h:908 net/core/dev.c:1499)
| [  300.855431][ T4927] Preemption disabled at:
| [  300.855432][ T4927] vprintk_emit (kernel/printk/printk.c:2471)
| [  300.855440][ T4927] Tainted: [W]=WARN
[  300.855441][ T4927] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[  300.855443][ T4927] Call Trace:
[  300.855444][ T4927]  <TASK>
[  300.855446][ T4927]  dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120)
[  300.855452][ T4927]  ? vprintk_emit (kernel/printk/printk.c:2471)
[  300.855454][ T4927]  __might_resched.cold (kernel/sched/core.c:9234)
[  300.855459][ T4927]  ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3))
[  300.855463][ T4927]  ? __kmalloc_noprof (./include/linux/sched/mm.h:317 mm/slub.c:4636 mm/slub.c:4974 mm/slub.c:5413 mm/slub.c:5439)
[  300.855468][ T4927]  __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))
[  300.855470][ T4927]  ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[  300.855476][ T4927]  ? 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)
[  300.855479][ T4927]  alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[  300.855483][ T4927]  put_chars (drivers/char/virtio_console.c:1176)
[  300.855485][ T4927]  ? __send_to_port (drivers/char/virtio_console.c:654)
[  300.855492][ T4927]  hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2))
[  300.855500][ T4927]  ? hvc_write (drivers/tty/hvc/hvc_console.c:501)
[  300.855503][ T4927]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  300.855508][ T4927]  console_emit_next_record (kernel/printk/printk.c:3183)
[  300.855512][ T4927]  ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20)
[  300.855514][ T4927]  ? 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))
[  300.855517][ T4927]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  300.855520][ T4927]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  300.855524][ T4927]  console_flush_one_record (kernel/printk/printk.c:3268)
[  300.855528][ T4927]  ? console_emit_next_record (kernel/printk/printk.c:3150)
[  300.855530][ T4927]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[  300.855536][ T4927]  console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420)
[  300.855539][ T4927]  ? console_flush_one_record (kernel/printk/printk.c:3316)
[  300.855541][ T4927]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  300.855544][ T4927]  ? 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)
[  300.855550][ T4927]  ? __down_trylock_console_sem (kernel/printk/printk.c:334)
[  300.855552][ T4927]  ? vprintk_emit (kernel/printk/printk.c:2478)
[  300.855555][ T4927]  vprintk_emit (kernel/printk/printk.c:2479)
[  300.855558][ T4927]  ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126))
[  300.855561][ T4927]  ? _mutex_trylock_nest_lock (kernel/locking/mutex.c:1227 (discriminator 6))
[  300.855566][ T4927]  _printk (kernel/printk/printk.c:2504)
[  300.855570][ T4927]  ? snapshot_read.cold (user.c:?)
[  300.855572][ T4927]  ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4116 (discriminator 3) kernel/rcu/tree.c:4108 (discriminator 3))
[  300.855575][ T4927]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380)
[  300.855577][ T4927]  ? validate_chain (kernel/locking/lockdep.c:3817 (discriminator 2) kernel/locking/lockdep.c:3837 (discriminator 2) kernel/locking/lockdep.c:3892 (discriminator 2))
[  300.855580][ T4927]  ? netdev_name (./include/linux/netdevice.h:5709 (discriminator 1))
[  300.855584][ T4927]  ? __netdev_printk (net/core/dev.c:13148 (discriminator 2))
[  300.855586][ T4927]  ? do_setlink.isra.0 (net/core/rtnetlink.c:3246)
[  300.855589][ T4927]  netdev_info (net/core/dev.c:13195 (discriminator 3))
[  300.855592][ T4927]  ? netdev_notice (net/core/dev.c:13194)
[  300.855594][ T4927]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[  300.855598][ T4927]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554)
[  300.855600][ T4927]  ? mark_held_locks (kernel/locking/lockdep.c:4341)
[  300.855604][ T4927]  ? do_setlink.isra.0 (net/core/rtnetlink.c:3246)
[  300.855606][ T4927]  netif_change_name.cold (net/core/dev.c:1507 (discriminator 3))
[  300.855608][ T4927]  ? register_netdev (net/core/dev.c:11618)
[  300.855610][ T4927]  ? 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))
[  300.855615][ T4927]  ? netdev_adjacent_rename_links (net/core/dev.c:9598)
[  300.855618][ T4927]  ? __kernel_text_address (kernel/extable.c:79)
[  300.855620][ T4927]  ? write_profile (profile.c:?)
[  300.855624][ T4927]  ? __asan_memset (mm/kasan/shadow.c:84 (discriminator 1))
[  300.855630][ T4927]  do_setlink.isra.0 (net/core/rtnetlink.c:3246)
[  300.855633][ T4927]  ? stack_trace_save (kernel/stacktrace.c:122 (discriminator 1))
[  300.855636][ T4927]  ? rtnl_link_get_size (net/core/rtnetlink.c:747)
[  300.855637][ T4927]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:388 kernel/rcu/update.c:380)
[  300.855639][ T4927]  ? stack_depot_save_flags (lib/stackdepot.c:609 (discriminator 2) lib/stackdepot.c:676 (discriminator 2))
[  300.855642][ T4927]  ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4116 (discriminator 3) kernel/rcu/tree.c:4108 (discriminator 3))
[  300.855644][ T4927]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380)
[  300.855646][ T4927]  ? validate_chain (kernel/locking/lockdep.c:3817 (discriminator 2) kernel/locking/lockdep.c:3837 (discriminator 2) kernel/locking/lockdep.c:3892 (discriminator 2))
[  300.855649][ T4927]  ? kasan_save_stack (mm/kasan/common.c:58)
[  300.855650][ T4927]  ? kasan_save_stack (mm/kasan/common.c:57)
[  300.855652][ T4927]  ? kasan_save_track (mm/kasan/common.c:78)
[  300.855653][ T4927]  ? __kasan_kmalloc (mm/kasan/common.c:398 mm/kasan/common.c:415)
[  300.855655][ T4927]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[  300.855657][ T4927]  ? snd_ac97_proc_read_main (sound/pci/ac97/ac97_proc.c:320)
[  300.855666][ T4927]  ? ___sys_sendmsg (net/socket.c:2758)
[  300.855670][ T4927]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2))
[  300.855672][ T4927]  ? rtnl_newlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:366 net/core/rtnetlink.c:4214)
[  300.855675][ T4927]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  300.855677][ T4927]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  300.855678][ T4927]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  300.855679][ T4927]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  300.855681][ T4927]  ? trace_contention_end (./include/trace/events/lock.h:121 (discriminator 22))
[  300.855683][ T4927]  ? __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)
[  300.855685][ T4927]  ? __mutex_lock (kernel/locking/mutex.c:656 (discriminator 1) kernel/locking/mutex.c:821 (discriminator 1))
[  300.855687][ T4927]  ? rtnl_newlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:366 net/core/rtnetlink.c:4214)
[  300.855690][ T4927]  ? ww_mutex_lock (kernel/locking/mutex.c:934)
[  300.855692][ T4927]  ? nla_get_range_signed (lib/nlattr.c:270)
[  300.855697][ T4927]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  300.855699][ T4927]  ? __rtnl_newlink (net/core/rtnetlink.c:4063)
[  300.855704][ T4927]  rtnl_newlink (net/core/rtnetlink.c:4215)
[  300.855709][ T4927]  ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558)
[  300.855711][ T4927]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[  300.855716][ T4927]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2))
[  300.855718][ T4927]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[  300.855720][ T4927]  ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558)
[  300.855722][ T4927]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554)
[  300.855726][ T4927]  ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558)
[  300.855728][ T4927]  rtnetlink_rcv_msg (net/core/rtnetlink.c:7132)
[  300.855731][ T4927]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[  300.855732][ T4927]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[  300.855737][ T4927]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2))
[  300.855739][ T4927]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[  300.855742][ T4927]  netlink_rcv_skb (net/netlink/af_netlink.c:2556)
[  300.855745][ T4927]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[  300.855748][ T4927]  ? netlink_ack (./include/linux/skbuff.h:2718)
[  300.855755][ T4927]  ? 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))
[  300.855757][ T4927]  ? 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))
[  300.855762][ T4927]  netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[  300.855766][ T4927]  ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[  300.855768][ T4927]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[  300.855772][ T4927]  netlink_sendmsg (net/netlink/af_netlink.c:1900)
[  300.855777][ T4927]  ? netlink_unicast (./include/net/net_namespace.h:422 (discriminator 7))
[  300.855780][ T4927]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554)
[  300.855782][ T4927]  ? __import_iovec (lib/iov_iter.c:1358 lib/iov_iter.c:1373)
[  300.855791][ T4927]  __sock_sendmsg (net/socket.c:800 (discriminator 4) net/socket.c:815 (discriminator 4))
[  300.855794][ T4927]  ____sys_sendmsg (net/socket.c:2713)
[  300.855796][ T4927]  ? copy_msghdr_from_user (net/socket.c:2650)
[  300.855799][ T4927]  ? sock_write_iter (net/socket.c:1269)
[  300.855800][ T4927]  ? move_addr_to_kernel (net/socket.c:258)
[  300.855808][ T4927]  ___sys_sendmsg (net/socket.c:2767)
[  300.855811][ T4927]  ? copy_msghdr_from_user (net/socket.c:2619)
[  300.855827][ T4927]  __sys_sendmsg (net/socket.c:2799)
[  300.855830][ T4927]  ? __sys_sendmsg_sock (net/socket.c:2780)
[  300.855836][ T4927]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  300.855840][ T4927]  do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84)
[  300.855843][ T4927]  ? exc_page_fault (arch/x86/mm/fault.c:1489 (discriminator 3) arch/x86/mm/fault.c:1536 (discriminator 3))
[  300.855845][ T4927]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[  300.855848][ T4927] RIP: 0033:0x7f5d401f854e
[  300.855852][ T4927] 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
[  300.855854][ T4927] RSP: 002b:00007ffd738fb2c0 EFLAGS: 00000202 ORIG_RAX: 000000000000002e
[  300.855856][ T4927] RAX: ffffffffffffffda RBX: 0000000000000005 RCX: 00007f5d401f854e
[  300.855858][ T4927] RDX: 0000000000000000 RSI: 00007ffd738fb370 RDI: 0000000000000005
[  300.855859][ T4927] RBP: 00007ffd738fb2d0 R08: 0000000000000000 R09: 0000000000000000
[  300.855860][ T4927] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a91a5c4
[  300.855860][ T4927] R13: 00000000004a1620 R14: 0000000000000000 R15: 00007ffd738fba40
| [  412.902554][ T6553] softirqs last disabled at (33874): netif_change_name (./include/linux/spinlock.h:353 ./include/linux/seqlock.h:908 net/core/dev.c:1499)
| [  412.902557][ T6553] Preemption disabled at:
| [  412.902557][ T6553] vprintk_emit (kernel/printk/printk.c:2471)
| [  412.902566][ T6553] Tainted: [W]=WARN
[  412.902567][ T6553] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[  412.902569][ T6553] Call Trace:
[  412.902571][ T6553]  <TASK>
[  412.902572][ T6553]  dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120)
[  412.902578][ T6553]  ? vprintk_emit (kernel/printk/printk.c:2471)
[  412.902580][ T6553]  __might_resched.cold (kernel/sched/core.c:9234)
[  412.902585][ T6553]  ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3))
[  412.902589][ T6553]  ? __kmalloc_noprof (./include/linux/sched/mm.h:317 mm/slub.c:4636 mm/slub.c:4974 mm/slub.c:5413 mm/slub.c:5439)
[  412.902594][ T6553]  __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))
[  412.902596][ T6553]  ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[  412.902602][ T6553]  ? 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)
[  412.902605][ T6553]  alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[  412.902609][ T6553]  put_chars (drivers/char/virtio_console.c:1176)
[  412.902611][ T6553]  ? __send_to_port (drivers/char/virtio_console.c:654)
[  412.902618][ T6553]  hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2))
[  412.902626][ T6553]  ? hvc_write (drivers/tty/hvc/hvc_console.c:501)
[  412.902629][ T6553]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  412.902634][ T6553]  console_emit_next_record (kernel/printk/printk.c:3183)
[  412.902638][ T6553]  ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20)
[  412.902640][ T6553]  ? 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))
[  412.902643][ T6553]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  412.902646][ T6553]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  412.902650][ T6553]  console_flush_one_record (kernel/printk/printk.c:3268)
[  412.902654][ T6553]  ? console_emit_next_record (kernel/printk/printk.c:3150)
[  412.902656][ T6553]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[  412.902662][ T6553]  console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420)
[  412.902665][ T6553]  ? console_flush_one_record (kernel/printk/printk.c:3316)
[  412.902667][ T6553]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  412.902668][ T6553]  ? 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)
[  412.902672][ T6553]  ? __down_trylock_console_sem (kernel/printk/printk.c:334)
[  412.902674][ T6553]  ? vprintk_emit (kernel/printk/printk.c:2478)
[  412.902677][ T6553]  vprintk_emit (kernel/printk/printk.c:2479)
[  412.902680][ T6553]  ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126))
[  412.902683][ T6553]  ? _mutex_trylock_nest_lock (kernel/locking/mutex.c:1227 (discriminator 6))
[  412.902688][ T6553]  _printk (kernel/printk/printk.c:2504)
[  412.902692][ T6553]  ? snapshot_read.cold (user.c:?)
[  412.902694][ T6553]  ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4116 (discriminator 3) kernel/rcu/tree.c:4108 (discriminator 3))
[  412.902697][ T6553]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380)
[  412.902700][ T6553]  ? validate_chain (kernel/locking/lockdep.c:3817 (discriminator 2) kernel/locking/lockdep.c:3837 (discriminator 2) kernel/locking/lockdep.c:3892 (discriminator 2))
[  412.902702][ T6553]  ? netdev_name (./include/linux/netdevice.h:5709 (discriminator 1))
[  412.902706][ T6553]  ? __netdev_printk (net/core/dev.c:13148 (discriminator 2))
[  412.902709][ T6553]  ? do_setlink.isra.0 (net/core/rtnetlink.c:3246)
[  412.902711][ T6553]  netdev_info (net/core/dev.c:13195 (discriminator 3))
[  412.902714][ T6553]  ? netdev_notice (net/core/dev.c:13194)
[  412.902717][ T6553]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[  412.902720][ T6553]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554)
[  412.902722][ T6553]  ? mark_held_locks (kernel/locking/lockdep.c:4341)
[  412.902726][ T6553]  ? do_setlink.isra.0 (net/core/rtnetlink.c:3246)
[  412.902728][ T6553]  netif_change_name.cold (net/core/dev.c:1507 (discriminator 3))
[  412.902730][ T6553]  ? register_netdev (net/core/dev.c:11618)
[  412.902732][ T6553]  ? 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))
[  412.902737][ T6553]  ? netdev_adjacent_rename_links (net/core/dev.c:9598)
[  412.902740][ T6553]  ? __kernel_text_address (kernel/extable.c:79)
[  412.902742][ T6553]  ? write_profile (profile.c:?)
[  412.902746][ T6553]  ? __asan_memset (mm/kasan/shadow.c:84 (discriminator 1))
[  412.902752][ T6553]  do_setlink.isra.0 (net/core/rtnetlink.c:3246)
[  412.902756][ T6553]  ? stack_trace_save (kernel/stacktrace.c:122 (discriminator 1))
[  412.902758][ T6553]  ? rtnl_link_get_size (net/core/rtnetlink.c:747)
[  412.902759][ T6553]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:388 kernel/rcu/update.c:380)
[  412.902761][ T6553]  ? stack_depot_save_flags (lib/stackdepot.c:609 (discriminator 2) lib/stackdepot.c:676 (discriminator 2))
[  412.902764][ T6553]  ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4116 (discriminator 3) kernel/rcu/tree.c:4108 (discriminator 3))
[  412.902766][ T6553]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380)
[  412.902768][ T6553]  ? validate_chain (kernel/locking/lockdep.c:3817 (discriminator 2) kernel/locking/lockdep.c:3837 (discriminator 2) kernel/locking/lockdep.c:3892 (discriminator 2))
[  412.902770][ T6553]  ? kasan_save_stack (mm/kasan/common.c:58)
[  412.902772][ T6553]  ? kasan_save_stack (mm/kasan/common.c:57)
[  412.902774][ T6553]  ? kasan_save_track (mm/kasan/common.c:78)
[  412.902775][ T6553]  ? __kasan_kmalloc (mm/kasan/common.c:398 mm/kasan/common.c:415)
[  412.902777][ T6553]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[  412.902779][ T6553]  ? snd_ac97_proc_read_main (sound/pci/ac97/ac97_proc.c:320)
[  412.902782][ T6553]  ? ___sys_sendmsg (net/socket.c:2758)
[  412.902789][ T6553]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2))
[  412.902792][ T6553]  ? rtnl_newlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:366 net/core/rtnetlink.c:4214)
[  412.902794][ T6553]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  412.902796][ T6553]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  412.902798][ T6553]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  412.902799][ T6553]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  412.902801][ T6553]  ? trace_contention_end (./include/trace/events/lock.h:121 (discriminator 22))
[  412.902803][ T6553]  ? __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)
[  412.902805][ T6553]  ? __mutex_lock (kernel/locking/mutex.c:656 (discriminator 1) kernel/locking/mutex.c:821 (discriminator 1))
[  412.902807][ T6553]  ? rtnl_newlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:366 net/core/rtnetlink.c:4214)
[  412.902810][ T6553]  ? ww_mutex_lock (kernel/locking/mutex.c:934)
[  412.902811][ T6553]  ? nla_get_range_signed (lib/nlattr.c:270)
[  412.902817][ T6553]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  412.902819][ T6553]  ? __rtnl_newlink (net/core/rtnetlink.c:4063)
[  412.902824][ T6553]  rtnl_newlink (net/core/rtnetlink.c:4215)
[  412.902830][ T6553]  ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558)
[  412.902832][ T6553]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[  412.902836][ T6553]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2))
[  412.902838][ T6553]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[  412.902840][ T6553]  ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558)
[  412.902842][ T6553]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554)
[  412.902846][ T6553]  ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558)
[  412.902848][ T6553]  rtnetlink_rcv_msg (net/core/rtnetlink.c:7132)
[  412.902851][ T6553]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[  412.902852][ T6553]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[  412.902857][ T6553]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2))
[  412.902859][ T6553]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[  412.902862][ T6553]  netlink_rcv_skb (net/netlink/af_netlink.c:2556)
[  412.902866][ T6553]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[  412.902869][ T6553]  ? netlink_ack (./include/linux/skbuff.h:2718)
[  412.902875][ T6553]  ? 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))
[  412.902877][ T6553]  ? 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))
[  412.902882][ T6553]  netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[  412.902886][ T6553]  ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[  412.902889][ T6553]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[  412.902893][ T6553]  netlink_sendmsg (net/netlink/af_netlink.c:1900)
[  412.902897][ T6553]  ? netlink_unicast (./include/net/net_namespace.h:422 (discriminator 7))
[  412.902901][ T6553]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554)
[  412.902903][ T6553]  ? __import_iovec (lib/iov_iter.c:1358 lib/iov_iter.c:1373)
[  412.902908][ T6553]  __sock_sendmsg (net/socket.c:800 (discriminator 4) net/socket.c:815 (discriminator 4))
[  412.902911][ T6553]  ____sys_sendmsg (net/socket.c:2713)
[  412.902913][ T6553]  ? copy_msghdr_from_user (net/socket.c:2650)
[  412.902916][ T6553]  ? sock_write_iter (net/socket.c:1269)
[  412.902917][ T6553]  ? move_addr_to_kernel (net/socket.c:258)
[  412.902925][ T6553]  ___sys_sendmsg (net/socket.c:2767)
[  412.902928][ T6553]  ? copy_msghdr_from_user (net/socket.c:2619)
[  412.902944][ T6553]  __sys_sendmsg (net/socket.c:2799)
[  412.902947][ T6553]  ? __sys_sendmsg_sock (net/socket.c:2780)
[  412.902954][ T6553]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  412.902957][ T6553]  do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84)
[  412.902960][ T6553]  ? exc_page_fault (arch/x86/mm/fault.c:1489 (discriminator 3) arch/x86/mm/fault.c:1536 (discriminator 3))
[  412.902963][ T6553]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[  412.902965][ T6553] RIP: 0033:0x7ff666dc554e
[  412.902970][ T6553] 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
[  412.902971][ T6553] RSP: 002b:00007ffc3160ca00 EFLAGS: 00000202 ORIG_RAX: 000000000000002e
[  412.902974][ T6553] RAX: ffffffffffffffda RBX: 0000000000000005 RCX: 00007ff666dc554e
[  412.902975][ T6553] RDX: 0000000000000000 RSI: 00007ffc3160cab0 RDI: 0000000000000005
[  412.902976][ T6553] RBP: 00007ffc3160ca10 R08: 0000000000000000 R09: 0000000000000000
[  412.902977][ T6553] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a91a634
[  412.902978][ T6553] R13: 00000000004a1620 R14: 0000000000000000 R15: 00007ffc3160d180
| [  436.668483][ T7367] softirqs last disabled at (25182): netif_change_name (./include/linux/spinlock.h:353 ./include/linux/seqlock.h:908 net/core/dev.c:1499)
| [  436.668486][ T7367] Preemption disabled at:
| [  436.668486][ T7367] vprintk_emit (kernel/printk/printk.c:2471)
| [  436.668495][ T7367] Tainted: [W]=WARN
[  436.668496][ T7367] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[  436.668497][ T7367] Call Trace:
[  436.668499][ T7367]  <TASK>
[  436.668500][ T7367]  dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120)
[  436.668506][ T7367]  ? vprintk_emit (kernel/printk/printk.c:2471)
[  436.668508][ T7367]  __might_resched.cold (kernel/sched/core.c:9234)
[  436.668513][ T7367]  ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3))
[  436.668517][ T7367]  ? __kmalloc_noprof (./include/linux/sched/mm.h:317 mm/slub.c:4636 mm/slub.c:4974 mm/slub.c:5413 mm/slub.c:5439)
[  436.668522][ T7367]  __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))
[  436.668524][ T7367]  ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[  436.668531][ T7367]  ? 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)
[  436.668534][ T7367]  alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[  436.668537][ T7367]  put_chars (drivers/char/virtio_console.c:1176)
[  436.668540][ T7367]  ? __send_to_port (drivers/char/virtio_console.c:654)
[  436.668551][ T7367]  hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2))
[  436.668559][ T7367]  ? hvc_write (drivers/tty/hvc/hvc_console.c:501)
[  436.668562][ T7367]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  436.668567][ T7367]  console_emit_next_record (kernel/printk/printk.c:3183)
[  436.668571][ T7367]  ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20)
[  436.668573][ T7367]  ? 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))
[  436.668577][ T7367]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  436.668579][ T7367]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  436.668584][ T7367]  console_flush_one_record (kernel/printk/printk.c:3268)
[  436.668588][ T7367]  ? console_emit_next_record (kernel/printk/printk.c:3150)
[  436.668590][ T7367]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[  436.668596][ T7367]  console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420)
[  436.668598][ T7367]  ? console_flush_one_record (kernel/printk/printk.c:3316)
[  436.668600][ T7367]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  436.668602][ T7367]  ? 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)
[  436.668606][ T7367]  ? __down_trylock_console_sem (kernel/printk/printk.c:334)
[  436.668608][ T7367]  ? vprintk_emit (kernel/printk/printk.c:2478)
[  436.668610][ T7367]  vprintk_emit (kernel/printk/printk.c:2479)
[  436.668614][ T7367]  ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126))
[  436.668616][ T7367]  ? _mutex_trylock_nest_lock (kernel/locking/mutex.c:1227 (discriminator 6))
[  436.668621][ T7367]  _printk (kernel/printk/printk.c:2504)
[  436.668625][ T7367]  ? snapshot_read.cold (user.c:?)
[  436.668627][ T7367]  ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4116 (discriminator 3) kernel/rcu/tree.c:4108 (discriminator 3))
[  436.668630][ T7367]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380)
[  436.668633][ T7367]  ? validate_chain (kernel/locking/lockdep.c:3817 (discriminator 2) kernel/locking/lockdep.c:3837 (discriminator 2) kernel/locking/lockdep.c:3892 (discriminator 2))
[  436.668635][ T7367]  ? netdev_name (./include/linux/netdevice.h:5709 (discriminator 1))
[  436.668639][ T7367]  ? __netdev_printk (net/core/dev.c:13148 (discriminator 2))
[  436.668642][ T7367]  ? do_setlink.isra.0 (net/core/rtnetlink.c:3246)
[  436.668644][ T7367]  netdev_info (net/core/dev.c:13195 (discriminator 3))
[  436.668647][ T7367]  ? netdev_notice (net/core/dev.c:13194)
[  436.668650][ T7367]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[  436.668653][ T7367]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554)
[  436.668655][ T7367]  ? mark_held_locks (kernel/locking/lockdep.c:4341)
[  436.668659][ T7367]  ? do_setlink.isra.0 (net/core/rtnetlink.c:3246)
[  436.668661][ T7367]  netif_change_name.cold (net/core/dev.c:1507 (discriminator 3))
[  436.668671][ T7367]  ? register_netdev (net/core/dev.c:11618)
[  436.668672][ T7367]  ? 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))
[  436.668678][ T7367]  ? netdev_adjacent_rename_links (net/core/dev.c:9598)
[  436.668681][ T7367]  ? __kernel_text_address (kernel/extable.c:79)
[  436.668683][ T7367]  ? write_profile (profile.c:?)
[  436.668688][ T7367]  ? __asan_memset (mm/kasan/shadow.c:84 (discriminator 1))
[  436.668694][ T7367]  do_setlink.isra.0 (net/core/rtnetlink.c:3246)
[  436.668697][ T7367]  ? stack_trace_save (kernel/stacktrace.c:122 (discriminator 1))
[  436.668699][ T7367]  ? rtnl_link_get_size (net/core/rtnetlink.c:747)
[  436.668701][ T7367]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:388 kernel/rcu/update.c:380)
[  436.668703][ T7367]  ? stack_depot_save_flags (lib/stackdepot.c:609 (discriminator 2) lib/stackdepot.c:676 (discriminator 2))
[  436.668706][ T7367]  ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4116 (discriminator 3) kernel/rcu/tree.c:4108 (discriminator 3))
[  436.668708][ T7367]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380)
[  436.668710][ T7367]  ? validate_chain (kernel/locking/lockdep.c:3817 (discriminator 2) kernel/locking/lockdep.c:3837 (discriminator 2) kernel/locking/lockdep.c:3892 (discriminator 2))
[  436.668713][ T7367]  ? kasan_save_stack (mm/kasan/common.c:58)
[  436.668715][ T7367]  ? kasan_save_stack (mm/kasan/common.c:57)
[  436.668716][ T7367]  ? kasan_save_track (mm/kasan/common.c:78)
[  436.668717][ T7367]  ? __kasan_kmalloc (mm/kasan/common.c:398 mm/kasan/common.c:415)
[  436.668720][ T7367]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[  436.668722][ T7367]  ? snd_ac97_proc_read_main (sound/pci/ac97/ac97_proc.c:320)
[  436.668725][ T7367]  ? ___sys_sendmsg (net/socket.c:2758)
[  436.668729][ T7367]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2))
[  436.668731][ T7367]  ? rtnl_newlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:366 net/core/rtnetlink.c:4214)
[  436.668734][ T7367]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  436.668735][ T7367]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  436.668737][ T7367]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  436.668738][ T7367]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  436.668740][ T7367]  ? trace_contention_end (./include/trace/events/lock.h:121 (discriminator 22))
[  436.668742][ T7367]  ? __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)
[  436.668744][ T7367]  ? __mutex_lock (kernel/locking/mutex.c:656 (discriminator 1) kernel/locking/mutex.c:821 (discriminator 1))
[  436.668746][ T7367]  ? rtnl_newlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:366 net/core/rtnetlink.c:4214)
[  436.668749][ T7367]  ? ww_mutex_lock (kernel/locking/mutex.c:934)
[  436.668750][ T7367]  ? nla_get_range_signed (lib/nlattr.c:270)
[  436.668756][ T7367]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  436.668758][ T7367]  ? __rtnl_newlink (net/core/rtnetlink.c:4063)
[  436.668763][ T7367]  rtnl_newlink (net/core/rtnetlink.c:4215)
[  436.668769][ T7367]  ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558)
[  436.668771][ T7367]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[  436.668776][ T7367]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2))
[  436.668777][ T7367]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[  436.668779][ T7367]  ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558)
[  436.668781][ T7367]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554)
[  436.668788][ T7367]  ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558)
[  436.668790][ T7367]  rtnetlink_rcv_msg (net/core/rtnetlink.c:7132)
[  436.668793][ T7367]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[  436.668795][ T7367]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[  436.668799][ T7367]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2))
[  436.668801][ T7367]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[  436.668805][ T7367]  netlink_rcv_skb (net/netlink/af_netlink.c:2556)
[  436.668808][ T7367]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[  436.668811][ T7367]  ? netlink_ack (./include/linux/skbuff.h:2718)
[  436.668817][ T7367]  ? 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))
[  436.668820][ T7367]  ? 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))
[  436.668824][ T7367]  netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[  436.668828][ T7367]  ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[  436.668831][ T7367]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[  436.668835][ T7367]  netlink_sendmsg (net/netlink/af_netlink.c:1900)
[  436.668840][ T7367]  ? netlink_unicast (./include/net/net_namespace.h:422 (discriminator 7))
[  436.668843][ T7367]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554)
[  436.668845][ T7367]  ? __import_iovec (lib/iov_iter.c:1358 lib/iov_iter.c:1373)
[  436.668851][ T7367]  __sock_sendmsg (net/socket.c:800 (discriminator 4) net/socket.c:815 (discriminator 4))
[  436.668853][ T7367]  ____sys_sendmsg (net/socket.c:2713)
[  436.668856][ T7367]  ? copy_msghdr_from_user (net/socket.c:2650)
[  436.668858][ T7367]  ? sock_write_iter (net/socket.c:1269)
[  436.668860][ T7367]  ? move_addr_to_kernel (net/socket.c:258)
[  436.668867][ T7367]  ___sys_sendmsg (net/socket.c:2767)
[  436.668870][ T7367]  ? copy_msghdr_from_user (net/socket.c:2619)
[  436.668887][ T7367]  __sys_sendmsg (net/socket.c:2799)
[  436.668890][ T7367]  ? __sys_sendmsg_sock (net/socket.c:2780)
[  436.668896][ T7367]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  436.668899][ T7367]  do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84)
[  436.668903][ T7367]  ? exc_page_fault (arch/x86/mm/fault.c:1489 (discriminator 3) arch/x86/mm/fault.c:1536 (discriminator 3))
[  436.668906][ T7367]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[  436.668908][ T7367] RIP: 0033:0x7fd72155e54e
[  436.668912][ T7367] 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
[  436.668914][ T7367] RSP: 002b:00007ffd957a4fc0 EFLAGS: 00000202 ORIG_RAX: 000000000000002e
[  436.668916][ T7367] RAX: ffffffffffffffda RBX: 0000000000000005 RCX: 00007fd72155e54e
[  436.668918][ T7367] RDX: 0000000000000000 RSI: 00007ffd957a5070 RDI: 0000000000000005
[  436.668919][ T7367] RBP: 00007ffd957a4fd0 R08: 0000000000000000 R09: 0000000000000000
[  436.668920][ T7367] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a91a64c
[  436.668921][ T7367] R13: 00000000004a1620 R14: 0000000000000000 R15: 00007ffd957a5740
| [  445.417571][ T7614] softirqs last disabled at (16044): netif_change_name (./include/linux/spinlock.h:353 ./include/linux/seqlock.h:908 net/core/dev.c:1499)
| [  445.417574][ T7614] Preemption disabled at:
| [  445.417574][ T7614] vprintk_emit (kernel/printk/printk.c:2471)
| [  445.417583][ T7614] Tainted: [W]=WARN
[  445.417584][ T7614] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[  445.417585][ T7614] Call Trace:
[  445.417587][ T7614]  <TASK>
[  445.417589][ T7614]  dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120)
[  445.417595][ T7614]  ? vprintk_emit (kernel/printk/printk.c:2471)
[  445.417597][ T7614]  __might_resched.cold (kernel/sched/core.c:9234)
[  445.417601][ T7614]  ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3))
[  445.417606][ T7614]  ? __kmalloc_noprof (./include/linux/sched/mm.h:317 mm/slub.c:4636 mm/slub.c:4974 mm/slub.c:5413 mm/slub.c:5439)
[  445.417610][ T7614]  __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))
[  445.417612][ T7614]  ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[  445.417619][ T7614]  ? 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)
[  445.417622][ T7614]  alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[  445.417626][ T7614]  put_chars (drivers/char/virtio_console.c:1176)
[  445.417628][ T7614]  ? __send_to_port (drivers/char/virtio_console.c:654)
[  445.417635][ T7614]  hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2))
[  445.417642][ T7614]  ? hvc_write (drivers/tty/hvc/hvc_console.c:501)
[  445.417646][ T7614]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  445.417650][ T7614]  console_emit_next_record (kernel/printk/printk.c:3183)
[  445.417654][ T7614]  ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20)
[  445.417656][ T7614]  ? 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))
[  445.417660][ T7614]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  445.417662][ T7614]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  445.417666][ T7614]  console_flush_one_record (kernel/printk/printk.c:3268)
[  445.417671][ T7614]  ? console_emit_next_record (kernel/printk/printk.c:3150)
[  445.417673][ T7614]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[  445.417678][ T7614]  console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420)
[  445.417681][ T7614]  ? console_flush_one_record (kernel/printk/printk.c:3316)
[  445.417683][ T7614]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  445.417685][ T7614]  ? 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)
[  445.417688][ T7614]  ? __down_trylock_console_sem (kernel/printk/printk.c:334)
[  445.417690][ T7614]  ? vprintk_emit (kernel/printk/printk.c:2478)
[  445.417693][ T7614]  vprintk_emit (kernel/printk/printk.c:2479)
[  445.417696][ T7614]  ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126))
[  445.417699][ T7614]  ? _mutex_trylock_nest_lock (kernel/locking/mutex.c:1227 (discriminator 6))
[  445.417704][ T7614]  _printk (kernel/printk/printk.c:2504)
[  445.417708][ T7614]  ? snapshot_read.cold (user.c:?)
[  445.417710][ T7614]  ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4116 (discriminator 3) kernel/rcu/tree.c:4108 (discriminator 3))
[  445.417712][ T7614]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380)
[  445.417715][ T7614]  ? validate_chain (kernel/locking/lockdep.c:3817 (discriminator 2) kernel/locking/lockdep.c:3837 (discriminator 2) kernel/locking/lockdep.c:3892 (discriminator 2))
[  445.417717][ T7614]  ? netdev_name (./include/linux/netdevice.h:5709 (discriminator 1))
[  445.417721][ T7614]  ? __netdev_printk (net/core/dev.c:13148 (discriminator 2))
[  445.417724][ T7614]  ? do_setlink.isra.0 (net/core/rtnetlink.c:3246)
[  445.417726][ T7614]  netdev_info (net/core/dev.c:13195 (discriminator 3))
[  445.417736][ T7614]  ? netdev_notice (net/core/dev.c:13194)
[  445.417739][ T7614]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[  445.417742][ T7614]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554)
[  445.417745][ T7614]  ? mark_held_locks (kernel/locking/lockdep.c:4341)
[  445.417748][ T7614]  ? do_setlink.isra.0 (net/core/rtnetlink.c:3246)
[  445.417750][ T7614]  netif_change_name.cold (net/core/dev.c:1507 (discriminator 3))
[  445.417753][ T7614]  ? register_netdev (net/core/dev.c:11618)
[  445.417754][ T7614]  ? 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))
[  445.417760][ T7614]  ? netdev_adjacent_rename_links (net/core/dev.c:9598)
[  445.417762][ T7614]  ? __kernel_text_address (kernel/extable.c:79)
[  445.417765][ T7614]  ? write_profile (profile.c:?)
[  445.417769][ T7614]  ? __asan_memset (mm/kasan/shadow.c:84 (discriminator 1))
[  445.417775][ T7614]  do_setlink.isra.0 (net/core/rtnetlink.c:3246)
[  445.417778][ T7614]  ? stack_trace_save (kernel/stacktrace.c:122 (discriminator 1))
[  445.417781][ T7614]  ? rtnl_link_get_size (net/core/rtnetlink.c:747)
[  445.417782][ T7614]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:388 kernel/rcu/update.c:380)
[  445.417787][ T7614]  ? stack_depot_save_flags (lib/stackdepot.c:609 (discriminator 2) lib/stackdepot.c:676 (discriminator 2))
[  445.417791][ T7614]  ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4116 (discriminator 3) kernel/rcu/tree.c:4108 (discriminator 3))
[  445.417793][ T7614]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380)
[  445.417795][ T7614]  ? validate_chain (kernel/locking/lockdep.c:3817 (discriminator 2) kernel/locking/lockdep.c:3837 (discriminator 2) kernel/locking/lockdep.c:3892 (discriminator 2))
[  445.417797][ T7614]  ? kasan_save_stack (mm/kasan/common.c:58)
[  445.417799][ T7614]  ? kasan_save_stack (mm/kasan/common.c:57)
[  445.417800][ T7614]  ? kasan_save_track (mm/kasan/common.c:78)
[  445.417802][ T7614]  ? __kasan_kmalloc (mm/kasan/common.c:398 mm/kasan/common.c:415)
[  445.417804][ T7614]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[  445.417806][ T7614]  ? snd_ac97_proc_read_main (sound/pci/ac97/ac97_proc.c:320)
[  445.417809][ T7614]  ? ___sys_sendmsg (net/socket.c:2758)
[  445.417813][ T7614]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2))
[  445.417815][ T7614]  ? rtnl_newlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:366 net/core/rtnetlink.c:4214)
[  445.417818][ T7614]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  445.417819][ T7614]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  445.417821][ T7614]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  445.417822][ T7614]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  445.417824][ T7614]  ? trace_contention_end (./include/trace/events/lock.h:121 (discriminator 22))
[  445.417826][ T7614]  ? __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)
[  445.417828][ T7614]  ? __mutex_lock (kernel/locking/mutex.c:656 (discriminator 1) kernel/locking/mutex.c:821 (discriminator 1))
[  445.417830][ T7614]  ? rtnl_newlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:366 net/core/rtnetlink.c:4214)
[  445.417833][ T7614]  ? ww_mutex_lock (kernel/locking/mutex.c:934)
[  445.417834][ T7614]  ? nla_get_range_signed (lib/nlattr.c:270)
[  445.417840][ T7614]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  445.417842][ T7614]  ? __rtnl_newlink (net/core/rtnetlink.c:4063)
[  445.417847][ T7614]  rtnl_newlink (net/core/rtnetlink.c:4215)
[  445.417852][ T7614]  ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558)
[  445.417854][ T7614]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[  445.417859][ T7614]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2))
[  445.417861][ T7614]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[  445.417863][ T7614]  ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558)
[  445.417864][ T7614]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554)
[  445.417868][ T7614]  ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558)
[  445.417870][ T7614]  rtnetlink_rcv_msg (net/core/rtnetlink.c:7132)
[  445.417874][ T7614]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[  445.417875][ T7614]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[  445.417880][ T7614]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2))
[  445.417882][ T7614]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[  445.417885][ T7614]  netlink_rcv_skb (net/netlink/af_netlink.c:2556)
[  445.417888][ T7614]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[  445.417891][ T7614]  ? netlink_ack (./include/linux/skbuff.h:2718)
[  445.417898][ T7614]  ? 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))
[  445.417900][ T7614]  ? 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))
[  445.417904][ T7614]  netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[  445.417908][ T7614]  ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[  445.417911][ T7614]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[  445.417915][ T7614]  netlink_sendmsg (net/netlink/af_netlink.c:1900)
[  445.417919][ T7614]  ? netlink_unicast (./include/net/net_namespace.h:422 (discriminator 7))
[  445.417923][ T7614]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554)
[  445.417925][ T7614]  ? __import_iovec (lib/iov_iter.c:1358 lib/iov_iter.c:1373)
[  445.417930][ T7614]  __sock_sendmsg (net/socket.c:800 (discriminator 4) net/socket.c:815 (discriminator 4))
[  445.417933][ T7614]  ____sys_sendmsg (net/socket.c:2713)
[  445.417936][ T7614]  ? copy_msghdr_from_user (net/socket.c:2650)
[  445.417938][ T7614]  ? sock_write_iter (net/socket.c:1269)
[  445.417940][ T7614]  ? move_addr_to_kernel (net/socket.c:258)
[  445.417947][ T7614]  ___sys_sendmsg (net/socket.c:2767)
[  445.417950][ T7614]  ? copy_msghdr_from_user (net/socket.c:2619)
[  445.417966][ T7614]  __sys_sendmsg (net/socket.c:2799)
[  445.417969][ T7614]  ? __sys_sendmsg_sock (net/socket.c:2780)
[  445.417976][ T7614]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  445.417979][ T7614]  do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84)
[  445.417982][ T7614]  ? exc_page_fault (arch/x86/mm/fault.c:1489 (discriminator 3) arch/x86/mm/fault.c:1536 (discriminator 3))
[  445.417985][ T7614]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[  445.417987][ T7614] RIP: 0033:0x7fdb1598d54e
[  445.417991][ T7614] 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
[  445.417993][ T7614] RSP: 002b:00007fff2dadfc00 EFLAGS: 00000202 ORIG_RAX: 000000000000002e
[  445.417996][ T7614] RAX: ffffffffffffffda RBX: 0000000000000005 RCX: 00007fdb1598d54e
[  445.417998][ T7614] RDX: 0000000000000000 RSI: 00007fff2dadfcb0 RDI: 0000000000000005
[  445.417999][ T7614] RBP: 00007fff2dadfc10 R08: 0000000000000000 R09: 0000000000000000
[  445.417999][ T7614] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a91a654
[  445.418000][ T7614] R13: 00000000004a1620 R14: 0000000000000000 R15: 00007fff2dae0380
| [  457.455117][ T7965] softirqs last disabled at (23540): netif_change_name (./include/linux/spinlock.h:353 ./include/linux/seqlock.h:908 net/core/dev.c:1499)
| [  457.455120][ T7965] Preemption disabled at:
| [  457.455120][ T7965] vprintk_emit (kernel/printk/printk.c:2471)
| [  457.455129][ T7965] Tainted: [W]=WARN
[  457.455130][ T7965] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[  457.455132][ T7965] Call Trace:
[  457.455133][ T7965]  <TASK>
[  457.455135][ T7965]  dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120)
[  457.455141][ T7965]  ? vprintk_emit (kernel/printk/printk.c:2471)
[  457.455142][ T7965]  __might_resched.cold (kernel/sched/core.c:9234)
[  457.455147][ T7965]  ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3))
[  457.455151][ T7965]  ? __kmalloc_noprof (./include/linux/sched/mm.h:317 mm/slub.c:4636 mm/slub.c:4974 mm/slub.c:5413 mm/slub.c:5439)
[  457.455156][ T7965]  __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))
[  457.455158][ T7965]  ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[  457.455165][ T7965]  ? 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)
[  457.455167][ T7965]  alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[  457.455171][ T7965]  put_chars (drivers/char/virtio_console.c:1176)
[  457.455174][ T7965]  ? __send_to_port (drivers/char/virtio_console.c:654)
[  457.455180][ T7965]  hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2))
[  457.455188][ T7965]  ? hvc_write (drivers/tty/hvc/hvc_console.c:501)
[  457.455192][ T7965]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  457.455197][ T7965]  console_emit_next_record (kernel/printk/printk.c:3183)
[  457.455201][ T7965]  ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20)
[  457.455203][ T7965]  ? 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))
[  457.455206][ T7965]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  457.455209][ T7965]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  457.455213][ T7965]  console_flush_one_record (kernel/printk/printk.c:3268)
[  457.455217][ T7965]  ? console_emit_next_record (kernel/printk/printk.c:3150)
[  457.455220][ T7965]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[  457.455225][ T7965]  console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420)
[  457.455228][ T7965]  ? console_flush_one_record (kernel/printk/printk.c:3316)
[  457.455230][ T7965]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  457.455232][ T7965]  ? 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)
[  457.455236][ T7965]  ? __down_trylock_console_sem (kernel/printk/printk.c:334)
[  457.455238][ T7965]  ? vprintk_emit (kernel/printk/printk.c:2478)
[  457.455240][ T7965]  vprintk_emit (kernel/printk/printk.c:2479)
[  457.455244][ T7965]  ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126))
[  457.455246][ T7965]  ? _mutex_trylock_nest_lock (kernel/locking/mutex.c:1227 (discriminator 6))
[  457.455252][ T7965]  _printk (kernel/printk/printk.c:2504)
[  457.455256][ T7965]  ? snapshot_read.cold (user.c:?)
[  457.455258][ T7965]  ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4116 (discriminator 3) kernel/rcu/tree.c:4108 (discriminator 3))
[  457.455261][ T7965]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380)
[  457.455264][ T7965]  ? validate_chain (kernel/locking/lockdep.c:3817 (discriminator 2) kernel/locking/lockdep.c:3837 (discriminator 2) kernel/locking/lockdep.c:3892 (discriminator 2))
[  457.455266][ T7965]  ? netdev_name (./include/linux/netdevice.h:5709 (discriminator 1))
[  457.455270][ T7965]  ? __netdev_printk (net/core/dev.c:13148 (discriminator 2))
[  457.455273][ T7965]  ? do_setlink.isra.0 (net/core/rtnetlink.c:3246)
[  457.455275][ T7965]  netdev_info (net/core/dev.c:13195 (discriminator 3))
[  457.455278][ T7965]  ? netdev_notice (net/core/dev.c:13194)
[  457.455281][ T7965]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[  457.455284][ T7965]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554)
[  457.455287][ T7965]  ? mark_held_locks (kernel/locking/lockdep.c:4341)
[  457.455291][ T7965]  ? do_setlink.isra.0 (net/core/rtnetlink.c:3246)
[  457.455293][ T7965]  netif_change_name.cold (net/core/dev.c:1507 (discriminator 3))
[  457.455295][ T7965]  ? register_netdev (net/core/dev.c:11618)
[  457.455297][ T7965]  ? 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))
[  457.455303][ T7965]  ? netdev_adjacent_rename_links (net/core/dev.c:9598)
[  457.455305][ T7965]  ? __kernel_text_address (kernel/extable.c:79)
[  457.455308][ T7965]  ? write_profile (profile.c:?)
[  457.455312][ T7965]  ? __asan_memset (mm/kasan/shadow.c:84 (discriminator 1))
[  457.455318][ T7965]  do_setlink.isra.0 (net/core/rtnetlink.c:3246)
[  457.455322][ T7965]  ? stack_trace_save (kernel/stacktrace.c:122 (discriminator 1))
[  457.455324][ T7965]  ? rtnl_link_get_size (net/core/rtnetlink.c:747)
[  457.455325][ T7965]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:388 kernel/rcu/update.c:380)
[  457.455327][ T7965]  ? stack_depot_save_flags (lib/stackdepot.c:609 (discriminator 2) lib/stackdepot.c:676 (discriminator 2))
[  457.455331][ T7965]  ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4116 (discriminator 3) kernel/rcu/tree.c:4108 (discriminator 3))
[  457.455332][ T7965]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380)
[  457.455334][ T7965]  ? validate_chain (kernel/locking/lockdep.c:3817 (discriminator 2) kernel/locking/lockdep.c:3837 (discriminator 2) kernel/locking/lockdep.c:3892 (discriminator 2))
[  457.455337][ T7965]  ? kasan_save_stack (mm/kasan/common.c:58)
[  457.455339][ T7965]  ? kasan_save_stack (mm/kasan/common.c:57)
[  457.455340][ T7965]  ? kasan_save_track (mm/kasan/common.c:78)
[  457.455341][ T7965]  ? __kasan_kmalloc (mm/kasan/common.c:398 mm/kasan/common.c:415)
[  457.455344][ T7965]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[  457.455346][ T7965]  ? snd_ac97_proc_read_main (sound/pci/ac97/ac97_proc.c:320)
[  457.455349][ T7965]  ? ___sys_sendmsg (net/socket.c:2758)
[  457.455352][ T7965]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2))
[  457.455355][ T7965]  ? rtnl_newlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:366 net/core/rtnetlink.c:4214)
[  457.455357][ T7965]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  457.455359][ T7965]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  457.455361][ T7965]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  457.455362][ T7965]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  457.455363][ T7965]  ? trace_contention_end (./include/trace/events/lock.h:121 (discriminator 22))
[  457.455366][ T7965]  ? __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)
[  457.455367][ T7965]  ? __mutex_lock (kernel/locking/mutex.c:656 (discriminator 1) kernel/locking/mutex.c:821 (discriminator 1))
[  457.455369][ T7965]  ? rtnl_newlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:366 net/core/rtnetlink.c:4214)
[  457.455373][ T7965]  ? ww_mutex_lock (kernel/locking/mutex.c:934)
[  457.455374][ T7965]  ? nla_get_range_signed (lib/nlattr.c:270)
[  457.455379][ T7965]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  457.455381][ T7965]  ? __rtnl_newlink (net/core/rtnetlink.c:4063)
[  457.455387][ T7965]  rtnl_newlink (net/core/rtnetlink.c:4215)
[  457.455392][ T7965]  ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558)
[  457.455394][ T7965]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[  457.455399][ T7965]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2))
[  457.455401][ T7965]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[  457.455403][ T7965]  ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558)
[  457.455405][ T7965]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554)
[  457.455409][ T7965]  ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558)
[  457.455411][ T7965]  rtnetlink_rcv_msg (net/core/rtnetlink.c:7132)
[  457.455414][ T7965]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[  457.455416][ T7965]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[  457.455420][ T7965]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2))
[  457.455422][ T7965]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[  457.455426][ T7965]  netlink_rcv_skb (net/netlink/af_netlink.c:2556)
[  457.455429][ T7965]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[  457.455432][ T7965]  ? netlink_ack (./include/linux/skbuff.h:2718)
[  457.455439][ T7965]  ? 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))
[  457.455441][ T7965]  ? 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))
[  457.455446][ T7965]  netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[  457.455450][ T7965]  ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[  457.455453][ T7965]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[  457.455457][ T7965]  netlink_sendmsg (net/netlink/af_netlink.c:1900)
[  457.455461][ T7965]  ? netlink_unicast (./include/net/net_namespace.h:422 (discriminator 7))
[  457.455465][ T7965]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554)
[  457.455467][ T7965]  ? __import_iovec (lib/iov_iter.c:1358 lib/iov_iter.c:1373)
[  457.455473][ T7965]  __sock_sendmsg (net/socket.c:800 (discriminator 4) net/socket.c:815 (discriminator 4))
[  457.455475][ T7965]  ____sys_sendmsg (net/socket.c:2713)
[  457.455478][ T7965]  ? copy_msghdr_from_user (net/socket.c:2650)
[  457.455480][ T7965]  ? sock_write_iter (net/socket.c:1269)
[  457.455482][ T7965]  ? move_addr_to_kernel (net/socket.c:258)
[  457.455490][ T7965]  ___sys_sendmsg (net/socket.c:2767)
[  457.455493][ T7965]  ? copy_msghdr_from_user (net/socket.c:2619)
[  457.455509][ T7965]  __sys_sendmsg (net/socket.c:2799)
[  457.455512][ T7965]  ? __sys_sendmsg_sock (net/socket.c:2780)
[  457.455519][ T7965]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  457.455522][ T7965]  do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84)
[  457.455525][ T7965]  ? exc_page_fault (arch/x86/mm/fault.c:1489 (discriminator 3) arch/x86/mm/fault.c:1536 (discriminator 3))
[  457.455528][ T7965]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[  457.455531][ T7965] RIP: 0033:0x7f7e5c3b054e
[  457.455535][ T7965] 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
[  457.455536][ T7965] RSP: 002b:00007ffe7c5d8280 EFLAGS: 00000202 ORIG_RAX: 000000000000002e
[  457.455539][ T7965] RAX: ffffffffffffffda RBX: 0000000000000005 RCX: 00007f7e5c3b054e
[  457.455540][ T7965] RDX: 0000000000000000 RSI: 00007ffe7c5d8330 RDI: 0000000000000005
[  457.455542][ T7965] RBP: 00007ffe7c5d8290 R08: 0000000000000000 R09: 0000000000000000
[  457.455543][ T7965] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a91a660
[  457.455544][ T7965] R13: 00000000004a1620 R14: 0000000000000000 R15: 00007ffe7c5d8a00
| [  466.193466][ T8101] softirqs last disabled at (24008): netif_change_name (./include/linux/spinlock.h:353 ./include/linux/seqlock.h:908 net/core/dev.c:1499)
| [  466.193469][ T8101] Preemption disabled at:
| [  466.193469][ T8101] vprintk_emit (kernel/printk/printk.c:2471)
| [  466.193478][ T8101] Tainted: [W]=WARN
[  466.193479][ T8101] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[  466.193481][ T8101] Call Trace:
[  466.193482][ T8101]  <TASK>
[  466.193484][ T8101]  dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120)
[  466.193490][ T8101]  ? vprintk_emit (kernel/printk/printk.c:2471)
[  466.193492][ T8101]  __might_resched.cold (kernel/sched/core.c:9234)
[  466.193496][ T8101]  ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3))
[  466.193500][ T8101]  ? __kmalloc_noprof (./include/linux/sched/mm.h:317 mm/slub.c:4636 mm/slub.c:4974 mm/slub.c:5413 mm/slub.c:5439)
[  466.193505][ T8101]  __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))
[  466.193507][ T8101]  ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[  466.193514][ T8101]  ? 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)
[  466.193516][ T8101]  alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[  466.193520][ T8101]  put_chars (drivers/char/virtio_console.c:1176)
[  466.193523][ T8101]  ? __send_to_port (drivers/char/virtio_console.c:654)
[  466.193529][ T8101]  hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2))
[  466.193537][ T8101]  ? hvc_write (drivers/tty/hvc/hvc_console.c:501)
[  466.193540][ T8101]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  466.193548][ T8101]  console_emit_next_record (kernel/printk/printk.c:3183)
[  466.193553][ T8101]  ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20)
[  466.193555][ T8101]  ? 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))
[  466.193558][ T8101]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  466.193561][ T8101]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  466.193565][ T8101]  console_flush_one_record (kernel/printk/printk.c:3268)
[  466.193569][ T8101]  ? console_emit_next_record (kernel/printk/printk.c:3150)
[  466.193571][ T8101]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[  466.193576][ T8101]  console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420)
[  466.193579][ T8101]  ? console_flush_one_record (kernel/printk/printk.c:3316)
[  466.193581][ T8101]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  466.193583][ T8101]  ? 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)
[  466.193587][ T8101]  ? __down_trylock_console_sem (kernel/printk/printk.c:334)
[  466.193588][ T8101]  ? vprintk_emit (kernel/printk/printk.c:2478)
[  466.193591][ T8101]  vprintk_emit (kernel/printk/printk.c:2479)
[  466.193595][ T8101]  ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126))
[  466.193597][ T8101]  ? _mutex_trylock_nest_lock (kernel/locking/mutex.c:1227 (discriminator 6))
[  466.193602][ T8101]  _printk (kernel/printk/printk.c:2504)
[  466.193606][ T8101]  ? snapshot_read.cold (user.c:?)
[  466.193608][ T8101]  ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4116 (discriminator 3) kernel/rcu/tree.c:4108 (discriminator 3))
[  466.193610][ T8101]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380)
[  466.193613][ T8101]  ? validate_chain (kernel/locking/lockdep.c:3817 (discriminator 2) kernel/locking/lockdep.c:3837 (discriminator 2) kernel/locking/lockdep.c:3892 (discriminator 2))
[  466.193615][ T8101]  ? netdev_name (./include/linux/netdevice.h:5709 (discriminator 1))
[  466.193619][ T8101]  ? __netdev_printk (net/core/dev.c:13148 (discriminator 2))
[  466.193622][ T8101]  ? do_setlink.isra.0 (net/core/rtnetlink.c:3246)
[  466.193624][ T8101]  netdev_info (net/core/dev.c:13195 (discriminator 3))
[  466.193627][ T8101]  ? netdev_notice (net/core/dev.c:13194)
[  466.193630][ T8101]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[  466.193633][ T8101]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554)
[  466.193636][ T8101]  ? mark_held_locks (kernel/locking/lockdep.c:4341)
[  466.193639][ T8101]  ? do_setlink.isra.0 (net/core/rtnetlink.c:3246)
[  466.193641][ T8101]  netif_change_name.cold (net/core/dev.c:1507 (discriminator 3))
[  466.193644][ T8101]  ? register_netdev (net/core/dev.c:11618)
[  466.193645][ T8101]  ? 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))
[  466.193651][ T8101]  ? netdev_adjacent_rename_links (net/core/dev.c:9598)
[  466.193653][ T8101]  ? __kernel_text_address (kernel/extable.c:79)
[  466.193656][ T8101]  ? write_profile (profile.c:?)
[  466.193660][ T8101]  ? __asan_memset (mm/kasan/shadow.c:84 (discriminator 1))
[  466.193666][ T8101]  do_setlink.isra.0 (net/core/rtnetlink.c:3246)
[  466.193670][ T8101]  ? stack_trace_save (kernel/stacktrace.c:122 (discriminator 1))
[  466.193672][ T8101]  ? rtnl_link_get_size (net/core/rtnetlink.c:747)
[  466.193673][ T8101]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:388 kernel/rcu/update.c:380)
[  466.193675][ T8101]  ? stack_depot_save_flags (lib/stackdepot.c:609 (discriminator 2) lib/stackdepot.c:676 (discriminator 2))
[  466.193678][ T8101]  ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4116 (discriminator 3) kernel/rcu/tree.c:4108 (discriminator 3))
[  466.193680][ T8101]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380)
[  466.193682][ T8101]  ? validate_chain (kernel/locking/lockdep.c:3817 (discriminator 2) kernel/locking/lockdep.c:3837 (discriminator 2) kernel/locking/lockdep.c:3892 (discriminator 2))
[  466.193685][ T8101]  ? kasan_save_stack (mm/kasan/common.c:58)
[  466.193687][ T8101]  ? kasan_save_stack (mm/kasan/common.c:57)
[  466.193688][ T8101]  ? kasan_save_track (mm/kasan/common.c:78)
[  466.193689][ T8101]  ? __kasan_kmalloc (mm/kasan/common.c:398 mm/kasan/common.c:415)
[  466.193692][ T8101]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[  466.193694][ T8101]  ? snd_ac97_proc_read_main (sound/pci/ac97/ac97_proc.c:320)
[  466.193697][ T8101]  ? ___sys_sendmsg (net/socket.c:2758)
[  466.193700][ T8101]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2))
[  466.193702][ T8101]  ? rtnl_newlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:366 net/core/rtnetlink.c:4214)
[  466.193705][ T8101]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  466.193707][ T8101]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  466.193709][ T8101]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  466.193710][ T8101]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  466.193712][ T8101]  ? trace_contention_end (./include/trace/events/lock.h:121 (discriminator 22))
[  466.193714][ T8101]  ? __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)
[  466.193715][ T8101]  ? __mutex_lock (kernel/locking/mutex.c:656 (discriminator 1) kernel/locking/mutex.c:821 (discriminator 1))
[  466.193717][ T8101]  ? rtnl_newlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:366 net/core/rtnetlink.c:4214)
[  466.193721][ T8101]  ? ww_mutex_lock (kernel/locking/mutex.c:934)
[  466.193722][ T8101]  ? nla_get_range_signed (lib/nlattr.c:270)
[  466.193727][ T8101]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  466.193729][ T8101]  ? __rtnl_newlink (net/core/rtnetlink.c:4063)
[  466.193735][ T8101]  rtnl_newlink (net/core/rtnetlink.c:4215)
[  466.193740][ T8101]  ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558)
[  466.193742][ T8101]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[  466.193747][ T8101]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2))
[  466.193749][ T8101]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[  466.193751][ T8101]  ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558)
[  466.193753][ T8101]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554)
[  466.193756][ T8101]  ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558)
[  466.193759][ T8101]  rtnetlink_rcv_msg (net/core/rtnetlink.c:7132)
[  466.193762][ T8101]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[  466.193764][ T8101]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[  466.193768][ T8101]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2))
[  466.193770][ T8101]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[  466.193774][ T8101]  netlink_rcv_skb (net/netlink/af_netlink.c:2556)
[  466.193777][ T8101]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[  466.193780][ T8101]  ? netlink_ack (./include/linux/skbuff.h:2718)
[  466.193789][ T8101]  ? 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))
[  466.193792][ T8101]  ? 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))
[  466.193796][ T8101]  netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[  466.193800][ T8101]  ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[  466.193803][ T8101]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[  466.193808][ T8101]  netlink_sendmsg (net/netlink/af_netlink.c:1900)
[  466.193812][ T8101]  ? netlink_unicast (./include/net/net_namespace.h:422 (discriminator 7))
[  466.193816][ T8101]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554)
[  466.193817][ T8101]  ? __import_iovec (lib/iov_iter.c:1358 lib/iov_iter.c:1373)
[  466.193823][ T8101]  __sock_sendmsg (net/socket.c:800 (discriminator 4) net/socket.c:815 (discriminator 4))
[  466.193826][ T8101]  ____sys_sendmsg (net/socket.c:2713)
[  466.193828][ T8101]  ? copy_msghdr_from_user (net/socket.c:2650)
[  466.193830][ T8101]  ? sock_write_iter (net/socket.c:1269)
[  466.193832][ T8101]  ? move_addr_to_kernel (net/socket.c:258)
[  466.193840][ T8101]  ___sys_sendmsg (net/socket.c:2767)
[  466.193843][ T8101]  ? copy_msghdr_from_user (net/socket.c:2619)
[  466.193858][ T8101]  __sys_sendmsg (net/socket.c:2799)
[  466.193862][ T8101]  ? __sys_sendmsg_sock (net/socket.c:2780)
[  466.193868][ T8101]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  466.193871][ T8101]  do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84)
[  466.193874][ T8101]  ? exc_page_fault (arch/x86/mm/fault.c:1489 (discriminator 3) arch/x86/mm/fault.c:1536 (discriminator 3))
[  466.193877][ T8101]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[  466.193880][ T8101] RIP: 0033:0x7f11137cf54e
[  466.193891][ T8101] 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
[  466.193893][ T8101] RSP: 002b:00007ffc8c4fe340 EFLAGS: 00000202 ORIG_RAX: 000000000000002e
[  466.193896][ T8101] RAX: ffffffffffffffda RBX: 0000000000000005 RCX: 00007f11137cf54e
[  466.193897][ T8101] RDX: 0000000000000000 RSI: 00007ffc8c4fe3f0 RDI: 0000000000000005
[  466.193898][ T8101] RBP: 00007ffc8c4fe350 R08: 0000000000000000 R09: 0000000000000000
[  466.193899][ T8101] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a91a669
[  466.193899][ T8101] R13: 00000000004a1620 R14: 0000000000000000 R15: 00007ffc8c4feac0
| [  474.970418][ T8237] softirqs last disabled at (29008): netif_change_name (./include/linux/spinlock.h:353 ./include/linux/seqlock.h:908 net/core/dev.c:1499)
| [  474.970421][ T8237] Preemption disabled at:
| [  474.970421][ T8237] vprintk_emit (kernel/printk/printk.c:2471)
| [  474.970430][ T8237] Tainted: [W]=WARN
[  474.970431][ T8237] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[  474.970433][ T8237] Call Trace:
[  474.970434][ T8237]  <TASK>
[  474.970436][ T8237]  dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120)
[  474.970442][ T8237]  ? vprintk_emit (kernel/printk/printk.c:2471)
[  474.970444][ T8237]  __might_resched.cold (kernel/sched/core.c:9234)
[  474.970448][ T8237]  ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3))
[  474.970453][ T8237]  ? __kmalloc_noprof (./include/linux/sched/mm.h:317 mm/slub.c:4636 mm/slub.c:4974 mm/slub.c:5413 mm/slub.c:5439)
[  474.970457][ T8237]  __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))
[  474.970459][ T8237]  ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[  474.970466][ T8237]  ? 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)
[  474.970469][ T8237]  alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[  474.970473][ T8237]  put_chars (drivers/char/virtio_console.c:1176)
[  474.970475][ T8237]  ? __send_to_port (drivers/char/virtio_console.c:654)
[  474.970482][ T8237]  hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2))
[  474.970489][ T8237]  ? hvc_write (drivers/tty/hvc/hvc_console.c:501)
[  474.970493][ T8237]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  474.970497][ T8237]  console_emit_next_record (kernel/printk/printk.c:3183)
[  474.970502][ T8237]  ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20)
[  474.970504][ T8237]  ? 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))
[  474.970507][ T8237]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  474.970510][ T8237]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  474.970514][ T8237]  console_flush_one_record (kernel/printk/printk.c:3268)
[  474.970519][ T8237]  ? console_emit_next_record (kernel/printk/printk.c:3150)
[  474.970520][ T8237]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[  474.970526][ T8237]  console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420)
[  474.970529][ T8237]  ? console_flush_one_record (kernel/printk/printk.c:3316)
[  474.970531][ T8237]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  474.970533][ T8237]  ? 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)
[  474.970536][ T8237]  ? __down_trylock_console_sem (kernel/printk/printk.c:334)
[  474.970538][ T8237]  ? vprintk_emit (kernel/printk/printk.c:2478)
[  474.970542][ T8237]  vprintk_emit (kernel/printk/printk.c:2479)
[  474.970547][ T8237]  ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126))
[  474.970551][ T8237]  ? _mutex_trylock_nest_lock (kernel/locking/mutex.c:1227 (discriminator 6))
[  474.970556][ T8237]  _printk (kernel/printk/printk.c:2504)
[  474.970560][ T8237]  ? snapshot_read.cold (user.c:?)
[  474.970562][ T8237]  ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4116 (discriminator 3) kernel/rcu/tree.c:4108 (discriminator 3))
[  474.970565][ T8237]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380)
[  474.970568][ T8237]  ? validate_chain (kernel/locking/lockdep.c:3817 (discriminator 2) kernel/locking/lockdep.c:3837 (discriminator 2) kernel/locking/lockdep.c:3892 (discriminator 2))
[  474.970570][ T8237]  ? netdev_name (./include/linux/netdevice.h:5709 (discriminator 1))
[  474.970574][ T8237]  ? __netdev_printk (net/core/dev.c:13148 (discriminator 2))
[  474.970577][ T8237]  ? do_setlink.isra.0 (net/core/rtnetlink.c:3246)
[  474.970579][ T8237]  netdev_info (net/core/dev.c:13195 (discriminator 3))
[  474.970582][ T8237]  ? netdev_notice (net/core/dev.c:13194)
[  474.970585][ T8237]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[  474.970588][ T8237]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554)
[  474.970591][ T8237]  ? mark_held_locks (kernel/locking/lockdep.c:4341)
[  474.970595][ T8237]  ? do_setlink.isra.0 (net/core/rtnetlink.c:3246)
[  474.970597][ T8237]  netif_change_name.cold (net/core/dev.c:1507 (discriminator 3))
[  474.970599][ T8237]  ? register_netdev (net/core/dev.c:11618)
[  474.970600][ T8237]  ? 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))
[  474.970606][ T8237]  ? netdev_adjacent_rename_links (net/core/dev.c:9598)
[  474.970609][ T8237]  ? __kernel_text_address (kernel/extable.c:79)
[  474.970611][ T8237]  ? write_profile (profile.c:?)
[  474.970616][ T8237]  ? __asan_memset (mm/kasan/shadow.c:84 (discriminator 1))
[  474.970621][ T8237]  do_setlink.isra.0 (net/core/rtnetlink.c:3246)
[  474.970625][ T8237]  ? stack_trace_save (kernel/stacktrace.c:122 (discriminator 1))
[  474.970627][ T8237]  ? rtnl_link_get_size (net/core/rtnetlink.c:747)
[  474.970628][ T8237]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:388 kernel/rcu/update.c:380)
[  474.970630][ T8237]  ? stack_depot_save_flags (lib/stackdepot.c:609 (discriminator 2) lib/stackdepot.c:676 (discriminator 2))
[  474.970634][ T8237]  ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4116 (discriminator 3) kernel/rcu/tree.c:4108 (discriminator 3))
[  474.970636][ T8237]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380)
[  474.970638][ T8237]  ? validate_chain (kernel/locking/lockdep.c:3817 (discriminator 2) kernel/locking/lockdep.c:3837 (discriminator 2) kernel/locking/lockdep.c:3892 (discriminator 2))
[  474.970640][ T8237]  ? kasan_save_stack (mm/kasan/common.c:58)
[  474.970642][ T8237]  ? kasan_save_stack (mm/kasan/common.c:57)
[  474.970643][ T8237]  ? kasan_save_track (mm/kasan/common.c:78)
[  474.970645][ T8237]  ? __kasan_kmalloc (mm/kasan/common.c:398 mm/kasan/common.c:415)
[  474.970647][ T8237]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[  474.970649][ T8237]  ? snd_ac97_proc_read_main (sound/pci/ac97/ac97_proc.c:320)
[  474.970652][ T8237]  ? ___sys_sendmsg (net/socket.c:2758)
[  474.970656][ T8237]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2))
[  474.970658][ T8237]  ? rtnl_newlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:366 net/core/rtnetlink.c:4214)
[  474.970661][ T8237]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  474.970663][ T8237]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  474.970664][ T8237]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  474.970666][ T8237]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  474.970667][ T8237]  ? trace_contention_end (./include/trace/events/lock.h:121 (discriminator 22))
[  474.970670][ T8237]  ? __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)
[  474.970672][ T8237]  ? __mutex_lock (kernel/locking/mutex.c:656 (discriminator 1) kernel/locking/mutex.c:821 (discriminator 1))
[  474.970674][ T8237]  ? rtnl_newlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:366 net/core/rtnetlink.c:4214)
[  474.970677][ T8237]  ? ww_mutex_lock (kernel/locking/mutex.c:934)
[  474.970678][ T8237]  ? nla_get_range_signed (lib/nlattr.c:270)
[  474.970683][ T8237]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  474.970686][ T8237]  ? __rtnl_newlink (net/core/rtnetlink.c:4063)
[  474.970691][ T8237]  rtnl_newlink (net/core/rtnetlink.c:4215)
[  474.970697][ T8237]  ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558)
[  474.970698][ T8237]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[  474.970703][ T8237]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2))
[  474.970705][ T8237]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[  474.970707][ T8237]  ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558)
[  474.970709][ T8237]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554)
[  474.970713][ T8237]  ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558)
[  474.970715][ T8237]  rtnetlink_rcv_msg (net/core/rtnetlink.c:7132)
[  474.970718][ T8237]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[  474.970719][ T8237]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[  474.970724][ T8237]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2))
[  474.970726][ T8237]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[  474.970730][ T8237]  netlink_rcv_skb (net/netlink/af_netlink.c:2556)
[  474.970733][ T8237]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[  474.970736][ T8237]  ? netlink_ack (./include/linux/skbuff.h:2718)
[  474.970742][ T8237]  ? 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))
[  474.970744][ T8237]  ? 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))
[  474.970749][ T8237]  netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[  474.970753][ T8237]  ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[  474.970756][ T8237]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[  474.970760][ T8237]  netlink_sendmsg (net/netlink/af_netlink.c:1900)
[  474.970764][ T8237]  ? netlink_unicast (./include/net/net_namespace.h:422 (discriminator 7))
[  474.970768][ T8237]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554)
[  474.970770][ T8237]  ? __import_iovec (lib/iov_iter.c:1358 lib/iov_iter.c:1373)
[  474.970775][ T8237]  __sock_sendmsg (net/socket.c:800 (discriminator 4) net/socket.c:815 (discriminator 4))
[  474.970778][ T8237]  ____sys_sendmsg (net/socket.c:2713)
[  474.970781][ T8237]  ? copy_msghdr_from_user (net/socket.c:2650)
[  474.970783][ T8237]  ? sock_write_iter (net/socket.c:1269)
[  474.970788][ T8237]  ? move_addr_to_kernel (net/socket.c:258)
[  474.970796][ T8237]  ___sys_sendmsg (net/socket.c:2767)
[  474.970798][ T8237]  ? copy_msghdr_from_user (net/socket.c:2619)
[  474.970815][ T8237]  __sys_sendmsg (net/socket.c:2799)
[  474.970818][ T8237]  ? __sys_sendmsg_sock (net/socket.c:2780)
[  474.970824][ T8237]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  474.970828][ T8237]  do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84)
[  474.970831][ T8237]  ? exc_page_fault (arch/x86/mm/fault.c:1489 (discriminator 3) arch/x86/mm/fault.c:1536 (discriminator 3))
[  474.970834][ T8237]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[  474.970836][ T8237] RIP: 0033:0x7faece21054e
[  474.970840][ T8237] 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
[  474.970842][ T8237] RSP: 002b:00007ffdaea585e0 EFLAGS: 00000202 ORIG_RAX: 000000000000002e
[  474.970845][ T8237] RAX: ffffffffffffffda RBX: 0000000000000005 RCX: 00007faece21054e
[  474.970846][ T8237] RDX: 0000000000000000 RSI: 00007ffdaea58690 RDI: 0000000000000005
[  474.970847][ T8237] RBP: 00007ffdaea585f0 R08: 0000000000000000 R09: 0000000000000000
[  474.970848][ T8237] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a91a672
[  474.970849][ T8237] R13: 00000000004a1620 R14: 0000000000000000 R15: 00007ffdaea58d60
| [  483.769710][ T8373] softirqs last disabled at (21420): netif_change_name (./include/linux/spinlock.h:353 ./include/linux/seqlock.h:908 net/core/dev.c:1499)
| [  483.769713][ T8373] Preemption disabled at:
| [  483.769713][ T8373] vprintk_emit (kernel/printk/printk.c:2471)
| [  483.769722][ T8373] Tainted: [W]=WARN
[  483.769723][ T8373] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[  483.769724][ T8373] Call Trace:
[  483.769726][ T8373]  <TASK>
[  483.769727][ T8373]  dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120)
[  483.769734][ T8373]  ? vprintk_emit (kernel/printk/printk.c:2471)
[  483.769735][ T8373]  __might_resched.cold (kernel/sched/core.c:9234)
[  483.769740][ T8373]  ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3))
[  483.769744][ T8373]  ? __kmalloc_noprof (./include/linux/sched/mm.h:317 mm/slub.c:4636 mm/slub.c:4974 mm/slub.c:5413 mm/slub.c:5439)
[  483.769749][ T8373]  __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))
[  483.769751][ T8373]  ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[  483.769757][ T8373]  ? 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)
[  483.769760][ T8373]  alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[  483.769764][ T8373]  put_chars (drivers/char/virtio_console.c:1176)
[  483.769767][ T8373]  ? __send_to_port (drivers/char/virtio_console.c:654)
[  483.769773][ T8373]  hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2))
[  483.769781][ T8373]  ? hvc_write (drivers/tty/hvc/hvc_console.c:501)
[  483.769788][ T8373]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  483.769793][ T8373]  console_emit_next_record (kernel/printk/printk.c:3183)
[  483.769797][ T8373]  ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20)
[  483.769799][ T8373]  ? 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))
[  483.769802][ T8373]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  483.769805][ T8373]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  483.769809][ T8373]  console_flush_one_record (kernel/printk/printk.c:3268)
[  483.769813][ T8373]  ? console_emit_next_record (kernel/printk/printk.c:3150)
[  483.769815][ T8373]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[  483.769820][ T8373]  console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420)
[  483.769823][ T8373]  ? console_flush_one_record (kernel/printk/printk.c:3316)
[  483.769825][ T8373]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  483.769827][ T8373]  ? 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)
[  483.769830][ T8373]  ? __down_trylock_console_sem (kernel/printk/printk.c:334)
[  483.769832][ T8373]  ? vprintk_emit (kernel/printk/printk.c:2478)
[  483.769835][ T8373]  vprintk_emit (kernel/printk/printk.c:2479)
[  483.769838][ T8373]  ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126))
[  483.769841][ T8373]  ? _mutex_trylock_nest_lock (kernel/locking/mutex.c:1227 (discriminator 6))
[  483.769846][ T8373]  _printk (kernel/printk/printk.c:2504)
[  483.769850][ T8373]  ? snapshot_read.cold (user.c:?)
[  483.769851][ T8373]  ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4116 (discriminator 3) kernel/rcu/tree.c:4108 (discriminator 3))
[  483.769854][ T8373]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380)
[  483.769857][ T8373]  ? validate_chain (kernel/locking/lockdep.c:3817 (discriminator 2) kernel/locking/lockdep.c:3837 (discriminator 2) kernel/locking/lockdep.c:3892 (discriminator 2))
[  483.769859][ T8373]  ? netdev_name (./include/linux/netdevice.h:5709 (discriminator 1))
[  483.769863][ T8373]  ? __netdev_printk (net/core/dev.c:13148 (discriminator 2))
[  483.769866][ T8373]  ? do_setlink.isra.0 (net/core/rtnetlink.c:3246)
[  483.769868][ T8373]  netdev_info (net/core/dev.c:13195 (discriminator 3))
[  483.769871][ T8373]  ? netdev_notice (net/core/dev.c:13194)
[  483.769874][ T8373]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[  483.769877][ T8373]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554)
[  483.769879][ T8373]  ? mark_held_locks (kernel/locking/lockdep.c:4341)
[  483.769883][ T8373]  ? do_setlink.isra.0 (net/core/rtnetlink.c:3246)
[  483.769885][ T8373]  netif_change_name.cold (net/core/dev.c:1507 (discriminator 3))
[  483.769887][ T8373]  ? register_netdev (net/core/dev.c:11618)
[  483.769889][ T8373]  ? 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))
[  483.769894][ T8373]  ? netdev_adjacent_rename_links (net/core/dev.c:9598)
[  483.769897][ T8373]  ? __kernel_text_address (kernel/extable.c:79)
[  483.769899][ T8373]  ? write_profile (profile.c:?)
[  483.769903][ T8373]  ? __asan_memset (mm/kasan/shadow.c:84 (discriminator 1))
[  483.769909][ T8373]  do_setlink.isra.0 (net/core/rtnetlink.c:3246)
[  483.769913][ T8373]  ? stack_trace_save (kernel/stacktrace.c:122 (discriminator 1))
[  483.769915][ T8373]  ? rtnl_link_get_size (net/core/rtnetlink.c:747)
[  483.769916][ T8373]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:388 kernel/rcu/update.c:380)
[  483.769918][ T8373]  ? stack_depot_save_flags (lib/stackdepot.c:609 (discriminator 2) lib/stackdepot.c:676 (discriminator 2))
[  483.769921][ T8373]  ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4116 (discriminator 3) kernel/rcu/tree.c:4108 (discriminator 3))
[  483.769923][ T8373]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380)
[  483.769925][ T8373]  ? validate_chain (kernel/locking/lockdep.c:3817 (discriminator 2) kernel/locking/lockdep.c:3837 (discriminator 2) kernel/locking/lockdep.c:3892 (discriminator 2))
[  483.769928][ T8373]  ? kasan_save_stack (mm/kasan/common.c:58)
[  483.769930][ T8373]  ? kasan_save_stack (mm/kasan/common.c:57)
[  483.769931][ T8373]  ? kasan_save_track (mm/kasan/common.c:78)
[  483.769932][ T8373]  ? __kasan_kmalloc (mm/kasan/common.c:398 mm/kasan/common.c:415)
[  483.769934][ T8373]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[  483.769936][ T8373]  ? snd_ac97_proc_read_main (sound/pci/ac97/ac97_proc.c:320)
[  483.769939][ T8373]  ? ___sys_sendmsg (net/socket.c:2758)
[  483.769943][ T8373]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2))
[  483.769945][ T8373]  ? rtnl_newlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:366 net/core/rtnetlink.c:4214)
[  483.769948][ T8373]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  483.769950][ T8373]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  483.769951][ T8373]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  483.769952][ T8373]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  483.769954][ T8373]  ? trace_contention_end (./include/trace/events/lock.h:121 (discriminator 22))
[  483.769957][ T8373]  ? __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)
[  483.769958][ T8373]  ? __mutex_lock (kernel/locking/mutex.c:656 (discriminator 1) kernel/locking/mutex.c:821 (discriminator 1))
[  483.769960][ T8373]  ? rtnl_newlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:366 net/core/rtnetlink.c:4214)
[  483.769963][ T8373]  ? ww_mutex_lock (kernel/locking/mutex.c:934)
[  483.769964][ T8373]  ? nla_get_range_signed (lib/nlattr.c:270)
[  483.769970][ T8373]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  483.769972][ T8373]  ? __rtnl_newlink (net/core/rtnetlink.c:4063)
[  483.769977][ T8373]  rtnl_newlink (net/core/rtnetlink.c:4215)
[  483.769982][ T8373]  ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558)
[  483.769984][ T8373]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[  483.769989][ T8373]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2))
[  483.769991][ T8373]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[  483.769993][ T8373]  ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558)
[  483.769995][ T8373]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554)
[  483.769999][ T8373]  ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558)
[  483.770001][ T8373]  rtnetlink_rcv_msg (net/core/rtnetlink.c:7132)
[  483.770004][ T8373]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[  483.770005][ T8373]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[  483.770010][ T8373]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2))
[  483.770018][ T8373]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[  483.770022][ T8373]  netlink_rcv_skb (net/netlink/af_netlink.c:2556)
[  483.770025][ T8373]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[  483.770028][ T8373]  ? netlink_ack (./include/linux/skbuff.h:2718)
[  483.770034][ T8373]  ? 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))
[  483.770037][ T8373]  ? 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))
[  483.770041][ T8373]  netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[  483.770046][ T8373]  ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[  483.770048][ T8373]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[  483.770052][ T8373]  netlink_sendmsg (net/netlink/af_netlink.c:1900)
[  483.770056][ T8373]  ? netlink_unicast (./include/net/net_namespace.h:422 (discriminator 7))
[  483.770060][ T8373]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554)
[  483.770062][ T8373]  ? __import_iovec (lib/iov_iter.c:1358 lib/iov_iter.c:1373)
[  483.770067][ T8373]  __sock_sendmsg (net/socket.c:800 (discriminator 4) net/socket.c:815 (discriminator 4))
[  483.770070][ T8373]  ____sys_sendmsg (net/socket.c:2713)
[  483.770072][ T8373]  ? copy_msghdr_from_user (net/socket.c:2650)
[  483.770075][ T8373]  ? sock_write_iter (net/socket.c:1269)
[  483.770076][ T8373]  ? move_addr_to_kernel (net/socket.c:258)
[  483.770084][ T8373]  ___sys_sendmsg (net/socket.c:2767)
[  483.770087][ T8373]  ? copy_msghdr_from_user (net/socket.c:2619)
[  483.770103][ T8373]  __sys_sendmsg (net/socket.c:2799)
[  483.770106][ T8373]  ? __sys_sendmsg_sock (net/socket.c:2780)
[  483.770112][ T8373]  ? fpregs_restore_userregs (./include/linux/instrumented.h:97 ./include/asm-generic/bitops/instrumented-atomic.h:41 ./include/linux/thread_info.h:109 arch/x86/kernel/fpu/context.h:79)
[  483.770116][ T8373]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  483.770119][ T8373]  do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84)
[  483.770122][ T8373]  ? exc_page_fault (arch/x86/mm/fault.c:1489 (discriminator 3) arch/x86/mm/fault.c:1536 (discriminator 3))
[  483.770125][ T8373]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[  483.770127][ T8373] RIP: 0033:0x7fcc167e154e
[  483.770131][ T8373] 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
[  483.770132][ T8373] RSP: 002b:00007fffaa6635f0 EFLAGS: 00000202 ORIG_RAX: 000000000000002e
[  483.770135][ T8373] RAX: ffffffffffffffda RBX: 0000000000000005 RCX: 00007fcc167e154e
[  483.770137][ T8373] RDX: 0000000000000000 RSI: 00007fffaa6636a0 RDI: 0000000000000005
[  483.770137][ T8373] RBP: 00007fffaa663600 R08: 0000000000000000 R09: 0000000000000000
[  483.770138][ T8373] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a91a67b
[  483.770139][ T8373] R13: 00000000004a1620 R14: 0000000000000000 R15: 00007fffaa663d70
| [  492.629595][ T8516] softirqs last disabled at (23108): netif_change_name (./include/linux/spinlock.h:353 ./include/linux/seqlock.h:908 net/core/dev.c:1499)
| [  492.629597][ T8516] Preemption disabled at:
| [  492.629598][ T8516] vprintk_emit (kernel/printk/printk.c:2471)
| [  492.629606][ T8516] Tainted: [W]=WARN
[  492.629607][ T8516] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[  492.629609][ T8516] Call Trace:
[  492.629611][ T8516]  <TASK>
[  492.629612][ T8516]  dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120)
[  492.629618][ T8516]  ? vprintk_emit (kernel/printk/printk.c:2471)
[  492.629620][ T8516]  __might_resched.cold (kernel/sched/core.c:9234)
[  492.629624][ T8516]  ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3))
[  492.629629][ T8516]  ? __kmalloc_noprof (./include/linux/sched/mm.h:317 mm/slub.c:4636 mm/slub.c:4974 mm/slub.c:5413 mm/slub.c:5439)
[  492.629633][ T8516]  __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))
[  492.629635][ T8516]  ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[  492.629642][ T8516]  ? 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)
[  492.629644][ T8516]  alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[  492.629648][ T8516]  put_chars (drivers/char/virtio_console.c:1176)
[  492.629650][ T8516]  ? __send_to_port (drivers/char/virtio_console.c:654)
[  492.629657][ T8516]  hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2))
[  492.629665][ T8516]  ? hvc_write (drivers/tty/hvc/hvc_console.c:501)
[  492.629668][ T8516]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  492.629673][ T8516]  console_emit_next_record (kernel/printk/printk.c:3183)
[  492.629677][ T8516]  ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20)
[  492.629679][ T8516]  ? 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))
[  492.629682][ T8516]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  492.629685][ T8516]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  492.629689][ T8516]  console_flush_one_record (kernel/printk/printk.c:3268)
[  492.629693][ T8516]  ? console_emit_next_record (kernel/printk/printk.c:3150)
[  492.629695][ T8516]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[  492.629700][ T8516]  console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420)
[  492.629703][ T8516]  ? console_flush_one_record (kernel/printk/printk.c:3316)
[  492.629705][ T8516]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  492.629707][ T8516]  ? 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)
[  492.629710][ T8516]  ? __down_trylock_console_sem (kernel/printk/printk.c:334)
[  492.629712][ T8516]  ? vprintk_emit (kernel/printk/printk.c:2478)
[  492.629715][ T8516]  vprintk_emit (kernel/printk/printk.c:2479)
[  492.629718][ T8516]  ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126))
[  492.629721][ T8516]  ? _mutex_trylock_nest_lock (kernel/locking/mutex.c:1227 (discriminator 6))
[  492.629726][ T8516]  _printk (kernel/printk/printk.c:2504)
[  492.629730][ T8516]  ? snapshot_read.cold (user.c:?)
[  492.629732][ T8516]  ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4116 (discriminator 3) kernel/rcu/tree.c:4108 (discriminator 3))
[  492.629734][ T8516]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380)
[  492.629737][ T8516]  ? validate_chain (kernel/locking/lockdep.c:3817 (discriminator 2) kernel/locking/lockdep.c:3837 (discriminator 2) kernel/locking/lockdep.c:3892 (discriminator 2))
[  492.629739][ T8516]  ? netdev_name (./include/linux/netdevice.h:5709 (discriminator 1))
[  492.629743][ T8516]  ? __netdev_printk (net/core/dev.c:13148 (discriminator 2))
[  492.629746][ T8516]  ? do_setlink.isra.0 (net/core/rtnetlink.c:3246)
[  492.629748][ T8516]  netdev_info (net/core/dev.c:13195 (discriminator 3))
[  492.629751][ T8516]  ? netdev_notice (net/core/dev.c:13194)
[  492.629754][ T8516]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[  492.629757][ T8516]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554)
[  492.629760][ T8516]  ? mark_held_locks (kernel/locking/lockdep.c:4341)
[  492.629764][ T8516]  ? do_setlink.isra.0 (net/core/rtnetlink.c:3246)
[  492.629766][ T8516]  netif_change_name.cold (net/core/dev.c:1507 (discriminator 3))
[  492.629768][ T8516]  ? register_netdev (net/core/dev.c:11618)
[  492.629769][ T8516]  ? 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))
[  492.629774][ T8516]  ? netdev_adjacent_rename_links (net/core/dev.c:9598)
[  492.629777][ T8516]  ? __kernel_text_address (kernel/extable.c:79)
[  492.629780][ T8516]  ? write_profile (profile.c:?)
[  492.629787][ T8516]  ? __asan_memset (mm/kasan/shadow.c:84 (discriminator 1))
[  492.629793][ T8516]  do_setlink.isra.0 (net/core/rtnetlink.c:3246)
[  492.629796][ T8516]  ? stack_trace_save (kernel/stacktrace.c:122 (discriminator 1))
[  492.629798][ T8516]  ? rtnl_link_get_size (net/core/rtnetlink.c:747)
[  492.629800][ T8516]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:388 kernel/rcu/update.c:380)
[  492.629802][ T8516]  ? stack_depot_save_flags (lib/stackdepot.c:609 (discriminator 2) lib/stackdepot.c:676 (discriminator 2))
[  492.629805][ T8516]  ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4116 (discriminator 3) kernel/rcu/tree.c:4108 (discriminator 3))
[  492.629807][ T8516]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380)
[  492.629809][ T8516]  ? validate_chain (kernel/locking/lockdep.c:3817 (discriminator 2) kernel/locking/lockdep.c:3837 (discriminator 2) kernel/locking/lockdep.c:3892 (discriminator 2))
[  492.629811][ T8516]  ? kasan_save_stack (mm/kasan/common.c:58)
[  492.629813][ T8516]  ? kasan_save_stack (mm/kasan/common.c:57)
[  492.629814][ T8516]  ? kasan_save_track (mm/kasan/common.c:78)
[  492.629815][ T8516]  ? __kasan_kmalloc (mm/kasan/common.c:398 mm/kasan/common.c:415)
[  492.629818][ T8516]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[  492.629819][ T8516]  ? snd_ac97_proc_read_main (sound/pci/ac97/ac97_proc.c:320)
[  492.629822][ T8516]  ? ___sys_sendmsg (net/socket.c:2758)
[  492.629826][ T8516]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2))
[  492.629828][ T8516]  ? rtnl_newlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:366 net/core/rtnetlink.c:4214)
[  492.629831][ T8516]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  492.629832][ T8516]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  492.629834][ T8516]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  492.629835][ T8516]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  492.629837][ T8516]  ? trace_contention_end (./include/trace/events/lock.h:121 (discriminator 22))
[  492.629839][ T8516]  ? __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)
[  492.629841][ T8516]  ? __mutex_lock (kernel/locking/mutex.c:656 (discriminator 1) kernel/locking/mutex.c:821 (discriminator 1))
[  492.629843][ T8516]  ? rtnl_newlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:366 net/core/rtnetlink.c:4214)
[  492.629846][ T8516]  ? ww_mutex_lock (kernel/locking/mutex.c:934)
[  492.629847][ T8516]  ? nla_get_range_signed (lib/nlattr.c:270)
[  492.629852][ T8516]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  492.629854][ T8516]  ? __rtnl_newlink (net/core/rtnetlink.c:4063)
[  492.629860][ T8516]  rtnl_newlink (net/core/rtnetlink.c:4215)
[  492.629865][ T8516]  ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558)
[  492.629867][ T8516]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[  492.629872][ T8516]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2))
[  492.629874][ T8516]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[  492.629876][ T8516]  ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558)
[  492.629878][ T8516]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554)
[  492.629881][ T8516]  ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558)
[  492.629883][ T8516]  rtnetlink_rcv_msg (net/core/rtnetlink.c:7132)
[  492.629887][ T8516]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[  492.629888][ T8516]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[  492.629892][ T8516]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2))
[  492.629894][ T8516]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[  492.629898][ T8516]  netlink_rcv_skb (net/netlink/af_netlink.c:2556)
[  492.629901][ T8516]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[  492.629904][ T8516]  ? netlink_ack (./include/linux/skbuff.h:2718)
[  492.629910][ T8516]  ? 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))
[  492.629912][ T8516]  ? 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))
[  492.629917][ T8516]  netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[  492.629921][ T8516]  ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[  492.629923][ T8516]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[  492.629928][ T8516]  netlink_sendmsg (net/netlink/af_netlink.c:1900)
[  492.629932][ T8516]  ? netlink_unicast (./include/net/net_namespace.h:422 (discriminator 7))
[  492.629935][ T8516]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554)
[  492.629937][ T8516]  ? __import_iovec (lib/iov_iter.c:1358 lib/iov_iter.c:1373)
[  492.629942][ T8516]  __sock_sendmsg (net/socket.c:800 (discriminator 4) net/socket.c:815 (discriminator 4))
[  492.629945][ T8516]  ____sys_sendmsg (net/socket.c:2713)
[  492.629948][ T8516]  ? copy_msghdr_from_user (net/socket.c:2650)
[  492.629950][ T8516]  ? sock_write_iter (net/socket.c:1269)
[  492.629951][ T8516]  ? move_addr_to_kernel (net/socket.c:258)
[  492.629959][ T8516]  ___sys_sendmsg (net/socket.c:2767)
[  492.629962][ T8516]  ? copy_msghdr_from_user (net/socket.c:2619)
[  492.629978][ T8516]  __sys_sendmsg (net/socket.c:2799)
[  492.629981][ T8516]  ? __sys_sendmsg_sock (net/socket.c:2780)
[  492.629987][ T8516]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  492.629990][ T8516]  do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84)
[  492.629993][ T8516]  ? exc_page_fault (arch/x86/mm/fault.c:1489 (discriminator 3) arch/x86/mm/fault.c:1536 (discriminator 3))
[  492.629996][ T8516]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[  492.629998][ T8516] RIP: 0033:0x7fbd10bb954e
[  492.630002][ T8516] 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
[  492.630004][ T8516] RSP: 002b:00007ffca62e8fd0 EFLAGS: 00000202 ORIG_RAX: 000000000000002e
[  492.630006][ T8516] RAX: ffffffffffffffda RBX: 0000000000000005 RCX: 00007fbd10bb954e
[  492.630008][ T8516] RDX: 0000000000000000 RSI: 00007ffca62e9080 RDI: 0000000000000005
[  492.630009][ T8516] RBP: 00007ffca62e8fe0 R08: 0000000000000000 R09: 0000000000000000
[  492.630010][ T8516] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a91a683
[  492.630011][ T8516] R13: 00000000004a1620 R14: 0000000000000000 R15: 00007ffca62e9750
| [  501.566637][ T8659] softirqs last disabled at (19756): netif_change_name (./include/linux/spinlock.h:353 ./include/linux/seqlock.h:908 net/core/dev.c:1499)
| [  501.566639][ T8659] Preemption disabled at:
| [  501.566640][ T8659] vprintk_emit (kernel/printk/printk.c:2471)
| [  501.566649][ T8659] Tainted: [W]=WARN
[  501.566650][ T8659] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[  501.566652][ T8659] Call Trace:
[  501.566653][ T8659]  <TASK>
[  501.566655][ T8659]  dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120)
[  501.566661][ T8659]  ? vprintk_emit (kernel/printk/printk.c:2471)
[  501.566663][ T8659]  __might_resched.cold (kernel/sched/core.c:9234)
[  501.566668][ T8659]  ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3))
[  501.566672][ T8659]  ? __kmalloc_noprof (./include/linux/sched/mm.h:317 mm/slub.c:4636 mm/slub.c:4974 mm/slub.c:5413 mm/slub.c:5439)
[  501.566677][ T8659]  __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))
[  501.566679][ T8659]  ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[  501.566686][ T8659]  ? 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)
[  501.566689][ T8659]  alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[  501.566693][ T8659]  put_chars (drivers/char/virtio_console.c:1176)
[  501.566695][ T8659]  ? __send_to_port (drivers/char/virtio_console.c:654)
[  501.566702][ T8659]  hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2))
[  501.566710][ T8659]  ? hvc_write (drivers/tty/hvc/hvc_console.c:501)
[  501.566713][ T8659]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  501.566718][ T8659]  console_emit_next_record (kernel/printk/printk.c:3183)
[  501.566722][ T8659]  ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20)
[  501.566724][ T8659]  ? 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))
[  501.566728][ T8659]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  501.566730][ T8659]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  501.566735][ T8659]  console_flush_one_record (kernel/printk/printk.c:3268)
[  501.566739][ T8659]  ? console_emit_next_record (kernel/printk/printk.c:3150)
[  501.566741][ T8659]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[  501.566746][ T8659]  console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420)
[  501.566749][ T8659]  ? console_flush_one_record (kernel/printk/printk.c:3316)
[  501.566751][ T8659]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  501.566753][ T8659]  ? 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)
[  501.566757][ T8659]  ? __down_trylock_console_sem (kernel/printk/printk.c:334)
[  501.566759][ T8659]  ? vprintk_emit (kernel/printk/printk.c:2478)
[  501.566762][ T8659]  vprintk_emit (kernel/printk/printk.c:2479)
[  501.566765][ T8659]  ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126))
[  501.566768][ T8659]  ? _mutex_trylock_nest_lock (kernel/locking/mutex.c:1227 (discriminator 6))
[  501.566774][ T8659]  _printk (kernel/printk/printk.c:2504)
[  501.566777][ T8659]  ? snapshot_read.cold (user.c:?)
[  501.566779][ T8659]  ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4116 (discriminator 3) kernel/rcu/tree.c:4108 (discriminator 3))
[  501.566782][ T8659]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380)
[  501.566788][ T8659]  ? validate_chain (kernel/locking/lockdep.c:3817 (discriminator 2) kernel/locking/lockdep.c:3837 (discriminator 2) kernel/locking/lockdep.c:3892 (discriminator 2))
[  501.566790][ T8659]  ? netdev_name (./include/linux/netdevice.h:5709 (discriminator 1))
[  501.566794][ T8659]  ? __netdev_printk (net/core/dev.c:13148 (discriminator 2))
[  501.566797][ T8659]  ? do_setlink.isra.0 (net/core/rtnetlink.c:3246)
[  501.566800][ T8659]  netdev_info (net/core/dev.c:13195 (discriminator 3))
[  501.566803][ T8659]  ? netdev_notice (net/core/dev.c:13194)
[  501.566806][ T8659]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[  501.566809][ T8659]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554)
[  501.566812][ T8659]  ? mark_held_locks (kernel/locking/lockdep.c:4341)
[  501.566815][ T8659]  ? do_setlink.isra.0 (net/core/rtnetlink.c:3246)
[  501.566817][ T8659]  netif_change_name.cold (net/core/dev.c:1507 (discriminator 3))
[  501.566820][ T8659]  ? register_netdev (net/core/dev.c:11618)
[  501.566821][ T8659]  ? 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))
[  501.566827][ T8659]  ? netdev_adjacent_rename_links (net/core/dev.c:9598)
[  501.566829][ T8659]  ? __kernel_text_address (kernel/extable.c:79)
[  501.566832][ T8659]  ? write_profile (profile.c:?)
[  501.566836][ T8659]  ? __asan_memset (mm/kasan/shadow.c:84 (discriminator 1))
[  501.566842][ T8659]  do_setlink.isra.0 (net/core/rtnetlink.c:3246)
[  501.566846][ T8659]  ? stack_trace_save (kernel/stacktrace.c:122 (discriminator 1))
[  501.566848][ T8659]  ? rtnl_link_get_size (net/core/rtnetlink.c:747)
[  501.566849][ T8659]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:388 kernel/rcu/update.c:380)
[  501.566851][ T8659]  ? stack_depot_save_flags (lib/stackdepot.c:609 (discriminator 2) lib/stackdepot.c:676 (discriminator 2))
[  501.566855][ T8659]  ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4116 (discriminator 3) kernel/rcu/tree.c:4108 (discriminator 3))
[  501.566857][ T8659]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380)
[  501.566859][ T8659]  ? validate_chain (kernel/locking/lockdep.c:3817 (discriminator 2) kernel/locking/lockdep.c:3837 (discriminator 2) kernel/locking/lockdep.c:3892 (discriminator 2))
[  501.566861][ T8659]  ? kasan_save_stack (mm/kasan/common.c:58)
[  501.566863][ T8659]  ? kasan_save_stack (mm/kasan/common.c:57)
[  501.566864][ T8659]  ? kasan_save_track (mm/kasan/common.c:78)
[  501.566866][ T8659]  ? __kasan_kmalloc (mm/kasan/common.c:398 mm/kasan/common.c:415)
[  501.566868][ T8659]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[  501.566870][ T8659]  ? snd_ac97_proc_read_main (sound/pci/ac97/ac97_proc.c:320)
[  501.566873][ T8659]  ? ___sys_sendmsg (net/socket.c:2758)
[  501.566877][ T8659]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2))
[  501.566879][ T8659]  ? rtnl_newlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:366 net/core/rtnetlink.c:4214)
[  501.566882][ T8659]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  501.566884][ T8659]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  501.566886][ T8659]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  501.566887][ T8659]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  501.566889][ T8659]  ? trace_contention_end (./include/trace/events/lock.h:121 (discriminator 22))
[  501.566891][ T8659]  ? __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)
[  501.566893][ T8659]  ? __mutex_lock (kernel/locking/mutex.c:656 (discriminator 1) kernel/locking/mutex.c:821 (discriminator 1))
[  501.566895][ T8659]  ? rtnl_newlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:366 net/core/rtnetlink.c:4214)
[  501.566898][ T8659]  ? ww_mutex_lock (kernel/locking/mutex.c:934)
[  501.566899][ T8659]  ? nla_get_range_signed (lib/nlattr.c:270)
[  501.566905][ T8659]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  501.566907][ T8659]  ? __rtnl_newlink (net/core/rtnetlink.c:4063)
[  501.566912][ T8659]  rtnl_newlink (net/core/rtnetlink.c:4215)
[  501.566918][ T8659]  ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558)
[  501.566920][ T8659]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[  501.566925][ T8659]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2))
[  501.566927][ T8659]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[  501.566929][ T8659]  ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558)
[  501.566930][ T8659]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554)
[  501.566934][ T8659]  ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558)
[  501.566937][ T8659]  rtnetlink_rcv_msg (net/core/rtnetlink.c:7132)
[  501.566940][ T8659]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[  501.566942][ T8659]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[  501.566946][ T8659]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2))
[  501.566948][ T8659]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[  501.566952][ T8659]  netlink_rcv_skb (net/netlink/af_netlink.c:2556)
[  501.566955][ T8659]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[  501.566958][ T8659]  ? netlink_ack (./include/linux/skbuff.h:2718)
[  501.566965][ T8659]  ? 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))
[  501.566967][ T8659]  ? 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))
[  501.566972][ T8659]  netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[  501.566976][ T8659]  ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[  501.566979][ T8659]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[  501.566983][ T8659]  netlink_sendmsg (net/netlink/af_netlink.c:1900)
[  501.566987][ T8659]  ? netlink_unicast (./include/net/net_namespace.h:422 (discriminator 7))
[  501.566991][ T8659]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554)
[  501.566993][ T8659]  ? __import_iovec (lib/iov_iter.c:1358 lib/iov_iter.c:1373)
[  501.566999][ T8659]  __sock_sendmsg (net/socket.c:800 (discriminator 4) net/socket.c:815 (discriminator 4))
[  501.567001][ T8659]  ____sys_sendmsg (net/socket.c:2713)
[  501.567004][ T8659]  ? copy_msghdr_from_user (net/socket.c:2650)
[  501.567006][ T8659]  ? sock_write_iter (net/socket.c:1269)
[  501.567008][ T8659]  ? move_addr_to_kernel (net/socket.c:258)
[  501.567016][ T8659]  ___sys_sendmsg (net/socket.c:2767)
[  501.567019][ T8659]  ? copy_msghdr_from_user (net/socket.c:2619)
[  501.567036][ T8659]  __sys_sendmsg (net/socket.c:2799)
[  501.567039][ T8659]  ? __sys_sendmsg_sock (net/socket.c:2780)
[  501.567045][ T8659]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  501.567048][ T8659]  do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84)
[  501.567052][ T8659]  ? exc_page_fault (arch/x86/mm/fault.c:1489 (discriminator 3) arch/x86/mm/fault.c:1536 (discriminator 3))
[  501.567055][ T8659]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[  501.567057][ T8659] RIP: 0033:0x7fc3213aa54e
[  501.567062][ T8659] 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
[  501.567064][ T8659] RSP: 002b:00007fff60e5ecc0 EFLAGS: 00000202 ORIG_RAX: 000000000000002e
[  501.567067][ T8659] RAX: ffffffffffffffda RBX: 0000000000000005 RCX: 00007fc3213aa54e
[  501.567068][ T8659] RDX: 0000000000000000 RSI: 00007fff60e5ed70 RDI: 0000000000000005
[  501.567069][ T8659] RBP: 00007fff60e5ecd0 R08: 0000000000000000 R09: 0000000000000000
[  501.567070][ T8659] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a91a68c
[  501.567071][ T8659] R13: 00000000004a1620 R14: 0000000000000000 R15: 00007fff60e5f440
| [  510.386555][ T8803] softirqs last disabled at (22536): netif_change_name (./include/linux/spinlock.h:353 ./include/linux/seqlock.h:908 net/core/dev.c:1499)
| [  510.386557][ T8803] Preemption disabled at:
| [  510.386558][ T8803] vprintk_emit (kernel/printk/printk.c:2471)
| [  510.386567][ T8803] Tainted: [W]=WARN
[  510.386568][ T8803] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[  510.386570][ T8803] Call Trace:
[  510.386571][ T8803]  <TASK>
[  510.386573][ T8803]  dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120)
[  510.386579][ T8803]  ? vprintk_emit (kernel/printk/printk.c:2471)
[  510.386581][ T8803]  __might_resched.cold (kernel/sched/core.c:9234)
[  510.386585][ T8803]  ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3))
[  510.386590][ T8803]  ? __kmalloc_noprof (./include/linux/sched/mm.h:317 mm/slub.c:4636 mm/slub.c:4974 mm/slub.c:5413 mm/slub.c:5439)
[  510.386594][ T8803]  __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))
[  510.386596][ T8803]  ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[  510.386603][ T8803]  ? 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)
[  510.386606][ T8803]  alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[  510.386609][ T8803]  put_chars (drivers/char/virtio_console.c:1176)
[  510.386612][ T8803]  ? __send_to_port (drivers/char/virtio_console.c:654)
[  510.386618][ T8803]  hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2))
[  510.386626][ T8803]  ? hvc_write (drivers/tty/hvc/hvc_console.c:501)
[  510.386629][ T8803]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  510.386634][ T8803]  console_emit_next_record (kernel/printk/printk.c:3183)
[  510.386638][ T8803]  ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20)
[  510.386640][ T8803]  ? 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))
[  510.386643][ T8803]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  510.386646][ T8803]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  510.386650][ T8803]  console_flush_one_record (kernel/printk/printk.c:3268)
[  510.386654][ T8803]  ? console_emit_next_record (kernel/printk/printk.c:3150)
[  510.386656][ T8803]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[  510.386662][ T8803]  console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420)
[  510.386665][ T8803]  ? console_flush_one_record (kernel/printk/printk.c:3316)
[  510.386667][ T8803]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  510.386668][ T8803]  ? 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)
[  510.386672][ T8803]  ? __down_trylock_console_sem (kernel/printk/printk.c:334)
[  510.386674][ T8803]  ? vprintk_emit (kernel/printk/printk.c:2478)
[  510.386677][ T8803]  vprintk_emit (kernel/printk/printk.c:2479)
[  510.386680][ T8803]  ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126))
[  510.386683][ T8803]  ? _mutex_trylock_nest_lock (kernel/locking/mutex.c:1227 (discriminator 6))
[  510.386688][ T8803]  _printk (kernel/printk/printk.c:2504)
[  510.386692][ T8803]  ? snapshot_read.cold (user.c:?)
[  510.386694][ T8803]  ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4116 (discriminator 3) kernel/rcu/tree.c:4108 (discriminator 3))
[  510.386696][ T8803]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380)
[  510.386699][ T8803]  ? validate_chain (kernel/locking/lockdep.c:3817 (discriminator 2) kernel/locking/lockdep.c:3837 (discriminator 2) kernel/locking/lockdep.c:3892 (discriminator 2))
[  510.386701][ T8803]  ? netdev_name (./include/linux/netdevice.h:5709 (discriminator 1))
[  510.386705][ T8803]  ? __netdev_printk (net/core/dev.c:13148 (discriminator 2))
[  510.386708][ T8803]  ? do_setlink.isra.0 (net/core/rtnetlink.c:3246)
[  510.386710][ T8803]  netdev_info (net/core/dev.c:13195 (discriminator 3))
[  510.386713][ T8803]  ? netdev_notice (net/core/dev.c:13194)
[  510.386716][ T8803]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[  510.386719][ T8803]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554)
[  510.386722][ T8803]  ? mark_held_locks (kernel/locking/lockdep.c:4341)
[  510.386725][ T8803]  ? do_setlink.isra.0 (net/core/rtnetlink.c:3246)
[  510.386727][ T8803]  netif_change_name.cold (net/core/dev.c:1507 (discriminator 3))
[  510.386729][ T8803]  ? register_netdev (net/core/dev.c:11618)
[  510.386731][ T8803]  ? 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))
[  510.386737][ T8803]  ? netdev_adjacent_rename_links (net/core/dev.c:9598)
[  510.386739][ T8803]  ? __kernel_text_address (kernel/extable.c:79)
[  510.386742][ T8803]  ? write_profile (profile.c:?)
[  510.386746][ T8803]  ? __asan_memset (mm/kasan/shadow.c:84 (discriminator 1))
[  510.386752][ T8803]  do_setlink.isra.0 (net/core/rtnetlink.c:3246)
[  510.386755][ T8803]  ? stack_trace_save (kernel/stacktrace.c:122 (discriminator 1))
[  510.386757][ T8803]  ? rtnl_link_get_size (net/core/rtnetlink.c:747)
[  510.386759][ T8803]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:388 kernel/rcu/update.c:380)
[  510.386760][ T8803]  ? stack_depot_save_flags (lib/stackdepot.c:609 (discriminator 2) lib/stackdepot.c:676 (discriminator 2))
[  510.386764][ T8803]  ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4116 (discriminator 3) kernel/rcu/tree.c:4108 (discriminator 3))
[  510.386766][ T8803]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380)
[  510.386768][ T8803]  ? validate_chain (kernel/locking/lockdep.c:3817 (discriminator 2) kernel/locking/lockdep.c:3837 (discriminator 2) kernel/locking/lockdep.c:3892 (discriminator 2))
[  510.386770][ T8803]  ? kasan_save_stack (mm/kasan/common.c:58)
[  510.386772][ T8803]  ? kasan_save_stack (mm/kasan/common.c:57)
[  510.386774][ T8803]  ? kasan_save_track (mm/kasan/common.c:78)
[  510.386775][ T8803]  ? __kasan_kmalloc (mm/kasan/common.c:398 mm/kasan/common.c:415)
[  510.386777][ T8803]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[  510.386779][ T8803]  ? snd_ac97_proc_read_main (sound/pci/ac97/ac97_proc.c:320)
[  510.386782][ T8803]  ? ___sys_sendmsg (net/socket.c:2758)
[  510.386789][ T8803]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2))
[  510.386791][ T8803]  ? rtnl_newlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:366 net/core/rtnetlink.c:4214)
[  510.386794][ T8803]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  510.386796][ T8803]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  510.386797][ T8803]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  510.386799][ T8803]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  510.386800][ T8803]  ? trace_contention_end (./include/trace/events/lock.h:121 (discriminator 22))
[  510.386803][ T8803]  ? __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)
[  510.386804][ T8803]  ? __mutex_lock (kernel/locking/mutex.c:656 (discriminator 1) kernel/locking/mutex.c:821 (discriminator 1))
[  510.386806][ T8803]  ? rtnl_newlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:366 net/core/rtnetlink.c:4214)
[  510.386810][ T8803]  ? ww_mutex_lock (kernel/locking/mutex.c:934)
[  510.386811][ T8803]  ? nla_get_range_signed (lib/nlattr.c:270)
[  510.386816][ T8803]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  510.386818][ T8803]  ? __rtnl_newlink (net/core/rtnetlink.c:4063)
[  510.386823][ T8803]  rtnl_newlink (net/core/rtnetlink.c:4215)
[  510.386829][ T8803]  ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558)
[  510.386831][ T8803]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[  510.386835][ T8803]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2))
[  510.386837][ T8803]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[  510.386839][ T8803]  ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558)
[  510.386841][ T8803]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554)
[  510.386845][ T8803]  ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558)
[  510.386847][ T8803]  rtnetlink_rcv_msg (net/core/rtnetlink.c:7132)
[  510.386850][ T8803]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[  510.386851][ T8803]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[  510.386856][ T8803]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2))
[  510.386858][ T8803]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[  510.386862][ T8803]  netlink_rcv_skb (net/netlink/af_netlink.c:2556)
[  510.386865][ T8803]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[  510.386868][ T8803]  ? netlink_ack (./include/linux/skbuff.h:2718)
[  510.386874][ T8803]  ? 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))
[  510.386876][ T8803]  ? 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))
[  510.386881][ T8803]  netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[  510.386885][ T8803]  ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[  510.386888][ T8803]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[  510.386892][ T8803]  netlink_sendmsg (net/netlink/af_netlink.c:1900)
[  510.386896][ T8803]  ? netlink_unicast (./include/net/net_namespace.h:422 (discriminator 7))
[  510.386900][ T8803]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554)
[  510.386902][ T8803]  ? __import_iovec (lib/iov_iter.c:1358 lib/iov_iter.c:1373)
[  510.386907][ T8803]  __sock_sendmsg (net/socket.c:800 (discriminator 4) net/socket.c:815 (discriminator 4))
[  510.386910][ T8803]  ____sys_sendmsg (net/socket.c:2713)
[  510.386912][ T8803]  ? copy_msghdr_from_user (net/socket.c:2650)
[  510.386915][ T8803]  ? sock_write_iter (net/socket.c:1269)
[  510.386916][ T8803]  ? move_addr_to_kernel (net/socket.c:258)
[  510.386924][ T8803]  ___sys_sendmsg (net/socket.c:2767)
[  510.386927][ T8803]  ? copy_msghdr_from_user (net/socket.c:2619)
[  510.386943][ T8803]  __sys_sendmsg (net/socket.c:2799)
[  510.386946][ T8803]  ? __sys_sendmsg_sock (net/socket.c:2780)
[  510.386952][ T8803]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  510.386955][ T8803]  do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84)
[  510.386958][ T8803]  ? exc_page_fault (arch/x86/mm/fault.c:1489 (discriminator 3) arch/x86/mm/fault.c:1536 (discriminator 3))
[  510.386961][ T8803]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[  510.386963][ T8803] RIP: 0033:0x7fb30da1d54e
[  510.386968][ T8803] 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
[  510.386969][ T8803] RSP: 002b:00007ffc0b1125e0 EFLAGS: 00000202 ORIG_RAX: 000000000000002e
[  510.386972][ T8803] RAX: ffffffffffffffda RBX: 0000000000000005 RCX: 00007fb30da1d54e
[  510.386974][ T8803] RDX: 0000000000000000 RSI: 00007ffc0b112690 RDI: 0000000000000005
[  510.386975][ T8803] RBP: 00007ffc0b1125f0 R08: 0000000000000000 R09: 0000000000000000
[  510.386975][ T8803] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a91a695
[  510.386976][ T8803] R13: 00000000004a1620 R14: 0000000000000000 R15: 00007ffc0b112d60
| [  519.177408][ T8946] softirqs last disabled at (16982): netif_change_name (./include/linux/spinlock.h:353 ./include/linux/seqlock.h:908 net/core/dev.c:1499)
| [  519.177411][ T8946] Preemption disabled at:
| [  519.177412][ T8946] vprintk_emit (kernel/printk/printk.c:2471)
| [  519.177421][ T8946] Tainted: [W]=WARN
[  519.177422][ T8946] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[  519.177423][ T8946] Call Trace:
[  519.177424][ T8946]  <TASK>
[  519.177426][ T8946]  dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120)
[  519.177432][ T8946]  ? vprintk_emit (kernel/printk/printk.c:2471)
[  519.177434][ T8946]  __might_resched.cold (kernel/sched/core.c:9234)
[  519.177439][ T8946]  ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3))
[  519.177443][ T8946]  ? __kmalloc_noprof (./include/linux/sched/mm.h:317 mm/slub.c:4636 mm/slub.c:4974 mm/slub.c:5413 mm/slub.c:5439)
[  519.177447][ T8946]  __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))
[  519.177449][ T8946]  ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[  519.177456][ T8946]  ? 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)
[  519.177459][ T8946]  alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[  519.177463][ T8946]  put_chars (drivers/char/virtio_console.c:1176)
[  519.177465][ T8946]  ? __send_to_port (drivers/char/virtio_console.c:654)
[  519.177472][ T8946]  hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2))
[  519.177479][ T8946]  ? hvc_write (drivers/tty/hvc/hvc_console.c:501)
[  519.177483][ T8946]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  519.177487][ T8946]  console_emit_next_record (kernel/printk/printk.c:3183)
[  519.177491][ T8946]  ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20)
[  519.177493][ T8946]  ? 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))
[  519.177497][ T8946]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  519.177499][ T8946]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  519.177503][ T8946]  console_flush_one_record (kernel/printk/printk.c:3268)
[  519.177508][ T8946]  ? console_emit_next_record (kernel/printk/printk.c:3150)
[  519.177509][ T8946]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[  519.177515][ T8946]  console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420)
[  519.177518][ T8946]  ? console_flush_one_record (kernel/printk/printk.c:3316)
[  519.177520][ T8946]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  519.177522][ T8946]  ? 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)
[  519.177525][ T8946]  ? __down_trylock_console_sem (kernel/printk/printk.c:334)
[  519.177527][ T8946]  ? vprintk_emit (kernel/printk/printk.c:2478)
[  519.177530][ T8946]  vprintk_emit (kernel/printk/printk.c:2479)
[  519.177533][ T8946]  ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126))
[  519.177536][ T8946]  ? _mutex_trylock_nest_lock (kernel/locking/mutex.c:1227 (discriminator 6))
[  519.177541][ T8946]  _printk (kernel/printk/printk.c:2504)
[  519.177547][ T8946]  ? snapshot_read.cold (user.c:?)
[  519.177549][ T8946]  ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4116 (discriminator 3) kernel/rcu/tree.c:4108 (discriminator 3))
[  519.177552][ T8946]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380)
[  519.177555][ T8946]  ? validate_chain (kernel/locking/lockdep.c:3817 (discriminator 2) kernel/locking/lockdep.c:3837 (discriminator 2) kernel/locking/lockdep.c:3892 (discriminator 2))
[  519.177558][ T8946]  ? netdev_name (./include/linux/netdevice.h:5709 (discriminator 1))
[  519.177562][ T8946]  ? __netdev_printk (net/core/dev.c:13148 (discriminator 2))
[  519.177564][ T8946]  ? do_setlink.isra.0 (net/core/rtnetlink.c:3246)
[  519.177567][ T8946]  netdev_info (net/core/dev.c:13195 (discriminator 3))
[  519.177570][ T8946]  ? netdev_notice (net/core/dev.c:13194)
[  519.177573][ T8946]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[  519.177576][ T8946]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554)
[  519.177578][ T8946]  ? mark_held_locks (kernel/locking/lockdep.c:4341)
[  519.177582][ T8946]  ? do_setlink.isra.0 (net/core/rtnetlink.c:3246)
[  519.177584][ T8946]  netif_change_name.cold (net/core/dev.c:1507 (discriminator 3))
[  519.177586][ T8946]  ? register_netdev (net/core/dev.c:11618)
[  519.177588][ T8946]  ? 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))
[  519.177593][ T8946]  ? netdev_adjacent_rename_links (net/core/dev.c:9598)
[  519.177596][ T8946]  ? __kernel_text_address (kernel/extable.c:79)
[  519.177598][ T8946]  ? write_profile (profile.c:?)
[  519.177603][ T8946]  ? __asan_memset (mm/kasan/shadow.c:84 (discriminator 1))
[  519.177609][ T8946]  do_setlink.isra.0 (net/core/rtnetlink.c:3246)
[  519.177612][ T8946]  ? stack_trace_save (kernel/stacktrace.c:122 (discriminator 1))
[  519.177614][ T8946]  ? rtnl_link_get_size (net/core/rtnetlink.c:747)
[  519.177616][ T8946]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:388 kernel/rcu/update.c:380)
[  519.177618][ T8946]  ? stack_depot_save_flags (lib/stackdepot.c:609 (discriminator 2) lib/stackdepot.c:676 (discriminator 2))
[  519.177621][ T8946]  ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4116 (discriminator 3) kernel/rcu/tree.c:4108 (discriminator 3))
[  519.177623][ T8946]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380)
[  519.177625][ T8946]  ? validate_chain (kernel/locking/lockdep.c:3817 (discriminator 2) kernel/locking/lockdep.c:3837 (discriminator 2) kernel/locking/lockdep.c:3892 (discriminator 2))
[  519.177627][ T8946]  ? kasan_save_stack (mm/kasan/common.c:58)
[  519.177629][ T8946]  ? kasan_save_stack (mm/kasan/common.c:57)
[  519.177630][ T8946]  ? kasan_save_track (mm/kasan/common.c:78)
[  519.177632][ T8946]  ? __kasan_kmalloc (mm/kasan/common.c:398 mm/kasan/common.c:415)
[  519.177634][ T8946]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[  519.177636][ T8946]  ? snd_ac97_proc_read_main (sound/pci/ac97/ac97_proc.c:320)
[  519.177639][ T8946]  ? ___sys_sendmsg (net/socket.c:2758)
[  519.177643][ T8946]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2))
[  519.177645][ T8946]  ? rtnl_newlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:366 net/core/rtnetlink.c:4214)
[  519.177647][ T8946]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  519.177649][ T8946]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  519.177651][ T8946]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  519.177652][ T8946]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  519.177654][ T8946]  ? trace_contention_end (./include/trace/events/lock.h:121 (discriminator 22))
[  519.177656][ T8946]  ? __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)
[  519.177657][ T8946]  ? __mutex_lock (kernel/locking/mutex.c:656 (discriminator 1) kernel/locking/mutex.c:821 (discriminator 1))
[  519.177659][ T8946]  ? rtnl_newlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:366 net/core/rtnetlink.c:4214)
[  519.177663][ T8946]  ? ww_mutex_lock (kernel/locking/mutex.c:934)
[  519.177664][ T8946]  ? nla_get_range_signed (lib/nlattr.c:270)
[  519.177669][ T8946]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  519.177671][ T8946]  ? __rtnl_newlink (net/core/rtnetlink.c:4063)
[  519.177677][ T8946]  rtnl_newlink (net/core/rtnetlink.c:4215)
[  519.177682][ T8946]  ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558)
[  519.177684][ T8946]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[  519.177689][ T8946]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2))
[  519.177691][ T8946]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[  519.177693][ T8946]  ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558)
[  519.177694][ T8946]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554)
[  519.177698][ T8946]  ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558)
[  519.177700][ T8946]  rtnetlink_rcv_msg (net/core/rtnetlink.c:7132)
[  519.177703][ T8946]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[  519.177705][ T8946]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[  519.177709][ T8946]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2))
[  519.177711][ T8946]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[  519.177715][ T8946]  netlink_rcv_skb (net/netlink/af_netlink.c:2556)
[  519.177718][ T8946]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[  519.177721][ T8946]  ? netlink_ack (./include/linux/skbuff.h:2718)
[  519.177728][ T8946]  ? 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))
[  519.177730][ T8946]  ? 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))
[  519.177735][ T8946]  netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[  519.177739][ T8946]  ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[  519.177741][ T8946]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[  519.177746][ T8946]  netlink_sendmsg (net/netlink/af_netlink.c:1900)
[  519.177750][ T8946]  ? netlink_unicast (./include/net/net_namespace.h:422 (discriminator 7))
[  519.177754][ T8946]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554)
[  519.177755][ T8946]  ? __import_iovec (lib/iov_iter.c:1358 lib/iov_iter.c:1373)
[  519.177761][ T8946]  __sock_sendmsg (net/socket.c:800 (discriminator 4) net/socket.c:815 (discriminator 4))
[  519.177764][ T8946]  ____sys_sendmsg (net/socket.c:2713)
[  519.177766][ T8946]  ? copy_msghdr_from_user (net/socket.c:2650)
[  519.177769][ T8946]  ? sock_write_iter (net/socket.c:1269)
[  519.177770][ T8946]  ? move_addr_to_kernel (net/socket.c:258)
[  519.177778][ T8946]  ___sys_sendmsg (net/socket.c:2767)
[  519.177781][ T8946]  ? copy_msghdr_from_user (net/socket.c:2619)
[  519.177800][ T8946]  __sys_sendmsg (net/socket.c:2799)
[  519.177804][ T8946]  ? __sys_sendmsg_sock (net/socket.c:2780)
[  519.177810][ T8946]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  519.177813][ T8946]  do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84)
[  519.177817][ T8946]  ? exc_page_fault (arch/x86/mm/fault.c:1489 (discriminator 3) arch/x86/mm/fault.c:1536 (discriminator 3))
[  519.177820][ T8946]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[  519.177822][ T8946] RIP: 0033:0x7f8afe0f254e
[  519.177826][ T8946] 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
[  519.177828][ T8946] RSP: 002b:00007fff1eb0ab10 EFLAGS: 00000202 ORIG_RAX: 000000000000002e
[  519.177830][ T8946] RAX: ffffffffffffffda RBX: 0000000000000005 RCX: 00007f8afe0f254e
[  519.177832][ T8946] RDX: 0000000000000000 RSI: 00007fff1eb0abc0 RDI: 0000000000000005
[  519.177833][ T8946] RBP: 00007fff1eb0ab20 R08: 0000000000000000 R09: 0000000000000000
[  519.177834][ T8946] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a91a69e
[  519.177834][ T8946] R13: 00000000004a1620 R14: 0000000000000000 R15: 00007fff1eb0b290
| [  528.027354][ T9089] softirqs last disabled at (24680): netif_change_name (./include/linux/spinlock.h:353 ./include/linux/seqlock.h:908 net/core/dev.c:1499)
| [  528.027356][ T9089] Preemption disabled at:
| [  528.027357][ T9089] vprintk_emit (kernel/printk/printk.c:2471)
| [  528.027365][ T9089] Tainted: [W]=WARN
[  528.027366][ T9089] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[  528.027368][ T9089] Call Trace:
[  528.027370][ T9089]  <TASK>
[  528.027371][ T9089]  dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120)
[  528.027378][ T9089]  ? vprintk_emit (kernel/printk/printk.c:2471)
[  528.027379][ T9089]  __might_resched.cold (kernel/sched/core.c:9234)
[  528.027384][ T9089]  ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3))
[  528.027388][ T9089]  ? __kmalloc_noprof (./include/linux/sched/mm.h:317 mm/slub.c:4636 mm/slub.c:4974 mm/slub.c:5413 mm/slub.c:5439)
[  528.027393][ T9089]  __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))
[  528.027395][ T9089]  ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[  528.027402][ T9089]  ? 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)
[  528.027404][ T9089]  alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[  528.027408][ T9089]  put_chars (drivers/char/virtio_console.c:1176)
[  528.027411][ T9089]  ? __send_to_port (drivers/char/virtio_console.c:654)
[  528.027417][ T9089]  hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2))
[  528.027425][ T9089]  ? hvc_write (drivers/tty/hvc/hvc_console.c:501)
[  528.027428][ T9089]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  528.027432][ T9089]  console_emit_next_record (kernel/printk/printk.c:3183)
[  528.027437][ T9089]  ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20)
[  528.027439][ T9089]  ? 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))
[  528.027442][ T9089]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  528.027445][ T9089]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  528.027449][ T9089]  console_flush_one_record (kernel/printk/printk.c:3268)
[  528.027453][ T9089]  ? console_emit_next_record (kernel/printk/printk.c:3150)
[  528.027455][ T9089]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[  528.027460][ T9089]  console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420)
[  528.027463][ T9089]  ? console_flush_one_record (kernel/printk/printk.c:3316)
[  528.027465][ T9089]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  528.027467][ T9089]  ? 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)
[  528.027470][ T9089]  ? __down_trylock_console_sem (kernel/printk/printk.c:334)
[  528.027472][ T9089]  ? vprintk_emit (kernel/printk/printk.c:2478)
[  528.027475][ T9089]  vprintk_emit (kernel/printk/printk.c:2479)
[  528.027478][ T9089]  ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126))
[  528.027481][ T9089]  ? _mutex_trylock_nest_lock (kernel/locking/mutex.c:1227 (discriminator 6))
[  528.027486][ T9089]  _printk (kernel/printk/printk.c:2504)
[  528.027489][ T9089]  ? snapshot_read.cold (user.c:?)
[  528.027491][ T9089]  ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4116 (discriminator 3) kernel/rcu/tree.c:4108 (discriminator 3))
[  528.027494][ T9089]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380)
[  528.027497][ T9089]  ? validate_chain (kernel/locking/lockdep.c:3817 (discriminator 2) kernel/locking/lockdep.c:3837 (discriminator 2) kernel/locking/lockdep.c:3892 (discriminator 2))
[  528.027499][ T9089]  ? netdev_name (./include/linux/netdevice.h:5709 (discriminator 1))
[  528.027503][ T9089]  ? __netdev_printk (net/core/dev.c:13148 (discriminator 2))
[  528.027505][ T9089]  ? do_setlink.isra.0 (net/core/rtnetlink.c:3246)
[  528.027508][ T9089]  netdev_info (net/core/dev.c:13195 (discriminator 3))
[  528.027511][ T9089]  ? netdev_notice (net/core/dev.c:13194)
[  528.027513][ T9089]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[  528.027517][ T9089]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554)
[  528.027519][ T9089]  ? mark_held_locks (kernel/locking/lockdep.c:4341)
[  528.027523][ T9089]  ? do_setlink.isra.0 (net/core/rtnetlink.c:3246)
[  528.027525][ T9089]  netif_change_name.cold (net/core/dev.c:1507 (discriminator 3))
[  528.027527][ T9089]  ? register_netdev (net/core/dev.c:11618)
[  528.027528][ T9089]  ? 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))
[  528.027534][ T9089]  ? netdev_adjacent_rename_links (net/core/dev.c:9598)
[  528.027537][ T9089]  ? __kernel_text_address (kernel/extable.c:79)
[  528.027539][ T9089]  ? write_profile (profile.c:?)
[  528.027545][ T9089]  ? __asan_memset (mm/kasan/shadow.c:84 (discriminator 1))
[  528.027553][ T9089]  do_setlink.isra.0 (net/core/rtnetlink.c:3246)
[  528.027556][ T9089]  ? stack_trace_save (kernel/stacktrace.c:122 (discriminator 1))
[  528.027558][ T9089]  ? rtnl_link_get_size (net/core/rtnetlink.c:747)
[  528.027560][ T9089]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:388 kernel/rcu/update.c:380)
[  528.027562][ T9089]  ? stack_depot_save_flags (lib/stackdepot.c:609 (discriminator 2) lib/stackdepot.c:676 (discriminator 2))
[  528.027565][ T9089]  ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4116 (discriminator 3) kernel/rcu/tree.c:4108 (discriminator 3))
[  528.027567][ T9089]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380)
[  528.027569][ T9089]  ? validate_chain (kernel/locking/lockdep.c:3817 (discriminator 2) kernel/locking/lockdep.c:3837 (discriminator 2) kernel/locking/lockdep.c:3892 (discriminator 2))
[  528.027571][ T9089]  ? kasan_save_stack (mm/kasan/common.c:58)
[  528.027573][ T9089]  ? kasan_save_stack (mm/kasan/common.c:57)
[  528.027575][ T9089]  ? kasan_save_track (mm/kasan/common.c:78)
[  528.027576][ T9089]  ? __kasan_kmalloc (mm/kasan/common.c:398 mm/kasan/common.c:415)
[  528.027578][ T9089]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[  528.027580][ T9089]  ? snd_ac97_proc_read_main (sound/pci/ac97/ac97_proc.c:320)
[  528.027583][ T9089]  ? ___sys_sendmsg (net/socket.c:2758)
[  528.027587][ T9089]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2))
[  528.027589][ T9089]  ? rtnl_newlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:366 net/core/rtnetlink.c:4214)
[  528.027592][ T9089]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  528.027594][ T9089]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  528.027595][ T9089]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  528.027596][ T9089]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  528.027598][ T9089]  ? trace_contention_end (./include/trace/events/lock.h:121 (discriminator 22))
[  528.027600][ T9089]  ? __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)
[  528.027602][ T9089]  ? __mutex_lock (kernel/locking/mutex.c:656 (discriminator 1) kernel/locking/mutex.c:821 (discriminator 1))
[  528.027604][ T9089]  ? rtnl_newlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:366 net/core/rtnetlink.c:4214)
[  528.027607][ T9089]  ? ww_mutex_lock (kernel/locking/mutex.c:934)
[  528.027608][ T9089]  ? nla_get_range_signed (lib/nlattr.c:270)
[  528.027613][ T9089]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  528.027616][ T9089]  ? __rtnl_newlink (net/core/rtnetlink.c:4063)
[  528.027621][ T9089]  rtnl_newlink (net/core/rtnetlink.c:4215)
[  528.027626][ T9089]  ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558)
[  528.027628][ T9089]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[  528.027633][ T9089]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2))
[  528.027635][ T9089]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[  528.027637][ T9089]  ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558)
[  528.027639][ T9089]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554)
[  528.027642][ T9089]  ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558)
[  528.027645][ T9089]  rtnetlink_rcv_msg (net/core/rtnetlink.c:7132)
[  528.027648][ T9089]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[  528.027649][ T9089]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[  528.027654][ T9089]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2))
[  528.027656][ T9089]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[  528.027659][ T9089]  netlink_rcv_skb (net/netlink/af_netlink.c:2556)
[  528.027663][ T9089]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[  528.027666][ T9089]  ? netlink_ack (./include/linux/skbuff.h:2718)
[  528.027672][ T9089]  ? 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))
[  528.027674][ T9089]  ? 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))
[  528.027679][ T9089]  netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[  528.027683][ T9089]  ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[  528.027686][ T9089]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[  528.027690][ T9089]  netlink_sendmsg (net/netlink/af_netlink.c:1900)
[  528.027694][ T9089]  ? netlink_unicast (./include/net/net_namespace.h:422 (discriminator 7))
[  528.027698][ T9089]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554)
[  528.027699][ T9089]  ? __import_iovec (lib/iov_iter.c:1358 lib/iov_iter.c:1373)
[  528.027705][ T9089]  __sock_sendmsg (net/socket.c:800 (discriminator 4) net/socket.c:815 (discriminator 4))
[  528.027708][ T9089]  ____sys_sendmsg (net/socket.c:2713)
[  528.027710][ T9089]  ? copy_msghdr_from_user (net/socket.c:2650)
[  528.027713][ T9089]  ? sock_write_iter (net/socket.c:1269)
[  528.027714][ T9089]  ? move_addr_to_kernel (net/socket.c:258)
[  528.027722][ T9089]  ___sys_sendmsg (net/socket.c:2767)
[  528.027725][ T9089]  ? copy_msghdr_from_user (net/socket.c:2619)
[  528.027740][ T9089]  __sys_sendmsg (net/socket.c:2799)
[  528.027743][ T9089]  ? __sys_sendmsg_sock (net/socket.c:2780)
[  528.027750][ T9089]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  528.027753][ T9089]  do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84)
[  528.027756][ T9089]  ? exc_page_fault (arch/x86/mm/fault.c:1489 (discriminator 3) arch/x86/mm/fault.c:1536 (discriminator 3))
[  528.027759][ T9089]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[  528.027761][ T9089] RIP: 0033:0x7f718cf5554e
[  528.027766][ T9089] 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
[  528.027767][ T9089] RSP: 002b:00007fff5ebef580 EFLAGS: 00000202 ORIG_RAX: 000000000000002e
[  528.027770][ T9089] RAX: ffffffffffffffda RBX: 0000000000000005 RCX: 00007f718cf5554e
[  528.027772][ T9089] RDX: 0000000000000000 RSI: 00007fff5ebef630 RDI: 0000000000000005
[  528.027772][ T9089] RBP: 00007fff5ebef590 R08: 0000000000000000 R09: 0000000000000000
[  528.027773][ T9089] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a91a6a7
[  528.027774][ T9089] R13: 00000000004a1620 R14: 0000000000000000 R15: 00007fff5ebefd00
| [  536.835447][ T9232] softirqs last disabled at (24054): netif_change_name (./include/linux/spinlock.h:353 ./include/linux/seqlock.h:908 net/core/dev.c:1499)
| [  536.835450][ T9232] Preemption disabled at:
| [  536.835450][ T9232] vprintk_emit (kernel/printk/printk.c:2471)
| [  536.835459][ T9232] Tainted: [W]=WARN
[  536.835460][ T9232] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[  536.835462][ T9232] Call Trace:
[  536.835463][ T9232]  <TASK>
[  536.835465][ T9232]  dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120)
[  536.835471][ T9232]  ? vprintk_emit (kernel/printk/printk.c:2471)
[  536.835473][ T9232]  __might_resched.cold (kernel/sched/core.c:9234)
[  536.835477][ T9232]  ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3))
[  536.835482][ T9232]  ? __kmalloc_noprof (./include/linux/sched/mm.h:317 mm/slub.c:4636 mm/slub.c:4974 mm/slub.c:5413 mm/slub.c:5439)
[  536.835486][ T9232]  __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))
[  536.835488][ T9232]  ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[  536.835495][ T9232]  ? 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)
[  536.835498][ T9232]  alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[  536.835502][ T9232]  put_chars (drivers/char/virtio_console.c:1176)
[  536.835504][ T9232]  ? __send_to_port (drivers/char/virtio_console.c:654)
[  536.835511][ T9232]  hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2))
[  536.835519][ T9232]  ? hvc_write (drivers/tty/hvc/hvc_console.c:501)
[  536.835522][ T9232]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  536.835527][ T9232]  console_emit_next_record (kernel/printk/printk.c:3183)
[  536.835531][ T9232]  ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20)
[  536.835533][ T9232]  ? 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))
[  536.835536][ T9232]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  536.835539][ T9232]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  536.835546][ T9232]  console_flush_one_record (kernel/printk/printk.c:3268)
[  536.835551][ T9232]  ? console_emit_next_record (kernel/printk/printk.c:3150)
[  536.835553][ T9232]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[  536.835559][ T9232]  console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420)
[  536.835562][ T9232]  ? console_flush_one_record (kernel/printk/printk.c:3316)
[  536.835564][ T9232]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  536.835565][ T9232]  ? 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)
[  536.835569][ T9232]  ? __down_trylock_console_sem (kernel/printk/printk.c:334)
[  536.835571][ T9232]  ? vprintk_emit (kernel/printk/printk.c:2478)
[  536.835574][ T9232]  vprintk_emit (kernel/printk/printk.c:2479)
[  536.835577][ T9232]  ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126))
[  536.835580][ T9232]  ? _mutex_trylock_nest_lock (kernel/locking/mutex.c:1227 (discriminator 6))
[  536.835585][ T9232]  _printk (kernel/printk/printk.c:2504)
[  536.835589][ T9232]  ? snapshot_read.cold (user.c:?)
[  536.835591][ T9232]  ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4116 (discriminator 3) kernel/rcu/tree.c:4108 (discriminator 3))
[  536.835594][ T9232]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380)
[  536.835597][ T9232]  ? validate_chain (kernel/locking/lockdep.c:3817 (discriminator 2) kernel/locking/lockdep.c:3837 (discriminator 2) kernel/locking/lockdep.c:3892 (discriminator 2))
[  536.835599][ T9232]  ? netdev_name (./include/linux/netdevice.h:5709 (discriminator 1))
[  536.835603][ T9232]  ? __netdev_printk (net/core/dev.c:13148 (discriminator 2))
[  536.835606][ T9232]  ? do_setlink.isra.0 (net/core/rtnetlink.c:3246)
[  536.835608][ T9232]  netdev_info (net/core/dev.c:13195 (discriminator 3))
[  536.835611][ T9232]  ? netdev_notice (net/core/dev.c:13194)
[  536.835614][ T9232]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[  536.835617][ T9232]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554)
[  536.835620][ T9232]  ? mark_held_locks (kernel/locking/lockdep.c:4341)
[  536.835623][ T9232]  ? do_setlink.isra.0 (net/core/rtnetlink.c:3246)
[  536.835625][ T9232]  netif_change_name.cold (net/core/dev.c:1507 (discriminator 3))
[  536.835627][ T9232]  ? register_netdev (net/core/dev.c:11618)
[  536.835629][ T9232]  ? 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))
[  536.835634][ T9232]  ? netdev_adjacent_rename_links (net/core/dev.c:9598)
[  536.835637][ T9232]  ? __kernel_text_address (kernel/extable.c:79)
[  536.835639][ T9232]  ? write_profile (profile.c:?)
[  536.835643][ T9232]  ? __asan_memset (mm/kasan/shadow.c:84 (discriminator 1))
[  536.835649][ T9232]  do_setlink.isra.0 (net/core/rtnetlink.c:3246)
[  536.835653][ T9232]  ? stack_trace_save (kernel/stacktrace.c:122 (discriminator 1))
[  536.835655][ T9232]  ? rtnl_link_get_size (net/core/rtnetlink.c:747)
[  536.835656][ T9232]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:388 kernel/rcu/update.c:380)
[  536.835658][ T9232]  ? stack_depot_save_flags (lib/stackdepot.c:609 (discriminator 2) lib/stackdepot.c:676 (discriminator 2))
[  536.835662][ T9232]  ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4116 (discriminator 3) kernel/rcu/tree.c:4108 (discriminator 3))
[  536.835664][ T9232]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380)
[  536.835666][ T9232]  ? validate_chain (kernel/locking/lockdep.c:3817 (discriminator 2) kernel/locking/lockdep.c:3837 (discriminator 2) kernel/locking/lockdep.c:3892 (discriminator 2))
[  536.835668][ T9232]  ? kasan_save_stack (mm/kasan/common.c:58)
[  536.835670][ T9232]  ? kasan_save_stack (mm/kasan/common.c:57)
[  536.835671][ T9232]  ? kasan_save_track (mm/kasan/common.c:78)
[  536.835673][ T9232]  ? __kasan_kmalloc (mm/kasan/common.c:398 mm/kasan/common.c:415)
[  536.835675][ T9232]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[  536.835677][ T9232]  ? snd_ac97_proc_read_main (sound/pci/ac97/ac97_proc.c:320)
[  536.835680][ T9232]  ? ___sys_sendmsg (net/socket.c:2758)
[  536.835684][ T9232]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2))
[  536.835686][ T9232]  ? rtnl_newlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:366 net/core/rtnetlink.c:4214)
[  536.835689][ T9232]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  536.835690][ T9232]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  536.835692][ T9232]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  536.835693][ T9232]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  536.835695][ T9232]  ? trace_contention_end (./include/trace/events/lock.h:121 (discriminator 22))
[  536.835697][ T9232]  ? __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)
[  536.835699][ T9232]  ? __mutex_lock (kernel/locking/mutex.c:656 (discriminator 1) kernel/locking/mutex.c:821 (discriminator 1))
[  536.835701][ T9232]  ? rtnl_newlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:366 net/core/rtnetlink.c:4214)
[  536.835704][ T9232]  ? ww_mutex_lock (kernel/locking/mutex.c:934)
[  536.835705][ T9232]  ? nla_get_range_signed (lib/nlattr.c:270)
[  536.835711][ T9232]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  536.835713][ T9232]  ? __rtnl_newlink (net/core/rtnetlink.c:4063)
[  536.835718][ T9232]  rtnl_newlink (net/core/rtnetlink.c:4215)
[  536.835724][ T9232]  ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558)
[  536.835725][ T9232]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[  536.835730][ T9232]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2))
[  536.835732][ T9232]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[  536.835734][ T9232]  ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558)
[  536.835736][ T9232]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554)
[  536.835740][ T9232]  ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558)
[  536.835742][ T9232]  rtnetlink_rcv_msg (net/core/rtnetlink.c:7132)
[  536.835745][ T9232]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[  536.835747][ T9232]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[  536.835751][ T9232]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2))
[  536.835753][ T9232]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[  536.835757][ T9232]  netlink_rcv_skb (net/netlink/af_netlink.c:2556)
[  536.835760][ T9232]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[  536.835763][ T9232]  ? netlink_ack (./include/linux/skbuff.h:2718)
[  536.835770][ T9232]  ? 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))
[  536.835772][ T9232]  ? 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))
[  536.835777][ T9232]  netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[  536.835781][ T9232]  ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[  536.835783][ T9232]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[  536.835791][ T9232]  netlink_sendmsg (net/netlink/af_netlink.c:1900)
[  536.835795][ T9232]  ? netlink_unicast (./include/net/net_namespace.h:422 (discriminator 7))
[  536.835799][ T9232]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554)
[  536.835800][ T9232]  ? __import_iovec (lib/iov_iter.c:1358 lib/iov_iter.c:1373)
[  536.835806][ T9232]  __sock_sendmsg (net/socket.c:800 (discriminator 4) net/socket.c:815 (discriminator 4))
[  536.835809][ T9232]  ____sys_sendmsg (net/socket.c:2713)
[  536.835811][ T9232]  ? copy_msghdr_from_user (net/socket.c:2650)
[  536.835814][ T9232]  ? sock_write_iter (net/socket.c:1269)
[  536.835815][ T9232]  ? move_addr_to_kernel (net/socket.c:258)
[  536.835823][ T9232]  ___sys_sendmsg (net/socket.c:2767)
[  536.835826][ T9232]  ? copy_msghdr_from_user (net/socket.c:2619)
[  536.835842][ T9232]  __sys_sendmsg (net/socket.c:2799)
[  536.835845][ T9232]  ? __sys_sendmsg_sock (net/socket.c:2780)
[  536.835852][ T9232]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  536.835855][ T9232]  do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84)
[  536.835858][ T9232]  ? exc_page_fault (arch/x86/mm/fault.c:1489 (discriminator 3) arch/x86/mm/fault.c:1536 (discriminator 3))
[  536.835861][ T9232]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[  536.835863][ T9232] RIP: 0033:0x7fab47d8354e
[  536.835867][ T9232] 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
[  536.835869][ T9232] RSP: 002b:00007ffde39b05b0 EFLAGS: 00000202 ORIG_RAX: 000000000000002e
[  536.835872][ T9232] RAX: ffffffffffffffda RBX: 0000000000000005 RCX: 00007fab47d8354e
[  536.835873][ T9232] RDX: 0000000000000000 RSI: 00007ffde39b0660 RDI: 0000000000000005
[  536.835874][ T9232] RBP: 00007ffde39b05c0 R08: 0000000000000000 R09: 0000000000000000
[  536.835875][ T9232] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a91a6b0
[  536.835876][ T9232] R13: 00000000004a1620 R14: 0000000000000000 R15: 00007ffde39b0d30
| [  545.677369][ T9375] softirqs last disabled at (18824): netif_change_name (./include/linux/spinlock.h:353 ./include/linux/seqlock.h:908 net/core/dev.c:1499)
| [  545.677372][ T9375] Preemption disabled at:
| [  545.677372][ T9375] vprintk_emit (kernel/printk/printk.c:2471)
| [  545.677381][ T9375] Tainted: [W]=WARN
[  545.677382][ T9375] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[  545.677383][ T9375] Call Trace:
[  545.677384][ T9375]  <TASK>
[  545.677386][ T9375]  dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120)
[  545.677392][ T9375]  ? vprintk_emit (kernel/printk/printk.c:2471)
[  545.677394][ T9375]  __might_resched.cold (kernel/sched/core.c:9234)
[  545.677398][ T9375]  ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3))
[  545.677402][ T9375]  ? __kmalloc_noprof (./include/linux/sched/mm.h:317 mm/slub.c:4636 mm/slub.c:4974 mm/slub.c:5413 mm/slub.c:5439)
[  545.677407][ T9375]  __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))
[  545.677409][ T9375]  ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[  545.677415][ T9375]  ? 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)
[  545.677418][ T9375]  alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[  545.677422][ T9375]  put_chars (drivers/char/virtio_console.c:1176)
[  545.677424][ T9375]  ? __send_to_port (drivers/char/virtio_console.c:654)
[  545.677431][ T9375]  hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2))
[  545.677438][ T9375]  ? hvc_write (drivers/tty/hvc/hvc_console.c:501)
[  545.677442][ T9375]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  545.677446][ T9375]  console_emit_next_record (kernel/printk/printk.c:3183)
[  545.677450][ T9375]  ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20)
[  545.677452][ T9375]  ? 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))
[  545.677456][ T9375]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  545.677458][ T9375]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  545.677463][ T9375]  console_flush_one_record (kernel/printk/printk.c:3268)
[  545.677467][ T9375]  ? console_emit_next_record (kernel/printk/printk.c:3150)
[  545.677474][ T9375]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[  545.677480][ T9375]  console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420)
[  545.677483][ T9375]  ? console_flush_one_record (kernel/printk/printk.c:3316)
[  545.677485][ T9375]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  545.677487][ T9375]  ? 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)
[  545.677490][ T9375]  ? __down_trylock_console_sem (kernel/printk/printk.c:334)
[  545.677492][ T9375]  ? vprintk_emit (kernel/printk/printk.c:2478)
[  545.677495][ T9375]  vprintk_emit (kernel/printk/printk.c:2479)
[  545.677498][ T9375]  ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126))
[  545.677501][ T9375]  ? _mutex_trylock_nest_lock (kernel/locking/mutex.c:1227 (discriminator 6))
[  545.677507][ T9375]  _printk (kernel/printk/printk.c:2504)
[  545.677510][ T9375]  ? snapshot_read.cold (user.c:?)
[  545.677512][ T9375]  ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4116 (discriminator 3) kernel/rcu/tree.c:4108 (discriminator 3))
[  545.677515][ T9375]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380)
[  545.677518][ T9375]  ? validate_chain (kernel/locking/lockdep.c:3817 (discriminator 2) kernel/locking/lockdep.c:3837 (discriminator 2) kernel/locking/lockdep.c:3892 (discriminator 2))
[  545.677520][ T9375]  ? netdev_name (./include/linux/netdevice.h:5709 (discriminator 1))
[  545.677524][ T9375]  ? __netdev_printk (net/core/dev.c:13148 (discriminator 2))
[  545.677527][ T9375]  ? do_setlink.isra.0 (net/core/rtnetlink.c:3246)
[  545.677530][ T9375]  netdev_info (net/core/dev.c:13195 (discriminator 3))
[  545.677533][ T9375]  ? netdev_notice (net/core/dev.c:13194)
[  545.677536][ T9375]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[  545.677539][ T9375]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554)
[  545.677542][ T9375]  ? mark_held_locks (kernel/locking/lockdep.c:4341)
[  545.677548][ T9375]  ? do_setlink.isra.0 (net/core/rtnetlink.c:3246)
[  545.677551][ T9375]  netif_change_name.cold (net/core/dev.c:1507 (discriminator 3))
[  545.677553][ T9375]  ? register_netdev (net/core/dev.c:11618)
[  545.677554][ T9375]  ? 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))
[  545.677560][ T9375]  ? netdev_adjacent_rename_links (net/core/dev.c:9598)
[  545.677563][ T9375]  ? __kernel_text_address (kernel/extable.c:79)
[  545.677565][ T9375]  ? write_profile (profile.c:?)
[  545.677569][ T9375]  ? __asan_memset (mm/kasan/shadow.c:84 (discriminator 1))
[  545.677576][ T9375]  do_setlink.isra.0 (net/core/rtnetlink.c:3246)
[  545.677579][ T9375]  ? stack_trace_save (kernel/stacktrace.c:122 (discriminator 1))
[  545.677581][ T9375]  ? rtnl_link_get_size (net/core/rtnetlink.c:747)
[  545.677583][ T9375]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:388 kernel/rcu/update.c:380)
[  545.677585][ T9375]  ? stack_depot_save_flags (lib/stackdepot.c:609 (discriminator 2) lib/stackdepot.c:676 (discriminator 2))
[  545.677588][ T9375]  ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4116 (discriminator 3) kernel/rcu/tree.c:4108 (discriminator 3))
[  545.677590][ T9375]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380)
[  545.677592][ T9375]  ? validate_chain (kernel/locking/lockdep.c:3817 (discriminator 2) kernel/locking/lockdep.c:3837 (discriminator 2) kernel/locking/lockdep.c:3892 (discriminator 2))
[  545.677594][ T9375]  ? kasan_save_stack (mm/kasan/common.c:58)
[  545.677596][ T9375]  ? kasan_save_stack (mm/kasan/common.c:57)
[  545.677597][ T9375]  ? kasan_save_track (mm/kasan/common.c:78)
[  545.677599][ T9375]  ? __kasan_kmalloc (mm/kasan/common.c:398 mm/kasan/common.c:415)
[  545.677601][ T9375]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[  545.677603][ T9375]  ? snd_ac97_proc_read_main (sound/pci/ac97/ac97_proc.c:320)
[  545.677606][ T9375]  ? ___sys_sendmsg (net/socket.c:2758)
[  545.677610][ T9375]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2))
[  545.677612][ T9375]  ? rtnl_newlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:366 net/core/rtnetlink.c:4214)
[  545.677614][ T9375]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  545.677616][ T9375]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  545.677618][ T9375]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  545.677619][ T9375]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  545.677620][ T9375]  ? trace_contention_end (./include/trace/events/lock.h:121 (discriminator 22))
[  545.677623][ T9375]  ? __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)
[  545.677624][ T9375]  ? __mutex_lock (kernel/locking/mutex.c:656 (discriminator 1) kernel/locking/mutex.c:821 (discriminator 1))
[  545.677626][ T9375]  ? rtnl_newlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:366 net/core/rtnetlink.c:4214)
[  545.677630][ T9375]  ? ww_mutex_lock (kernel/locking/mutex.c:934)
[  545.677631][ T9375]  ? nla_get_range_signed (lib/nlattr.c:270)
[  545.677636][ T9375]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  545.677638][ T9375]  ? __rtnl_newlink (net/core/rtnetlink.c:4063)
[  545.677643][ T9375]  rtnl_newlink (net/core/rtnetlink.c:4215)
[  545.677649][ T9375]  ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558)
[  545.677651][ T9375]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[  545.677655][ T9375]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2))
[  545.677657][ T9375]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[  545.677659][ T9375]  ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558)
[  545.677661][ T9375]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554)
[  545.677665][ T9375]  ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558)
[  545.677667][ T9375]  rtnetlink_rcv_msg (net/core/rtnetlink.c:7132)
[  545.677670][ T9375]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[  545.677671][ T9375]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[  545.677676][ T9375]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2))
[  545.677678][ T9375]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[  545.677681][ T9375]  netlink_rcv_skb (net/netlink/af_netlink.c:2556)
[  545.677685][ T9375]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[  545.677688][ T9375]  ? netlink_ack (./include/linux/skbuff.h:2718)
[  545.677694][ T9375]  ? 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))
[  545.677696][ T9375]  ? 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))
[  545.677701][ T9375]  netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[  545.677705][ T9375]  ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[  545.677707][ T9375]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[  545.677711][ T9375]  netlink_sendmsg (net/netlink/af_netlink.c:1900)
[  545.677715][ T9375]  ? netlink_unicast (./include/net/net_namespace.h:422 (discriminator 7))
[  545.677719][ T9375]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554)
[  545.677721][ T9375]  ? __import_iovec (lib/iov_iter.c:1358 lib/iov_iter.c:1373)
[  545.677726][ T9375]  __sock_sendmsg (net/socket.c:800 (discriminator 4) net/socket.c:815 (discriminator 4))
[  545.677729][ T9375]  ____sys_sendmsg (net/socket.c:2713)
[  545.677731][ T9375]  ? copy_msghdr_from_user (net/socket.c:2650)
[  545.677734][ T9375]  ? sock_write_iter (net/socket.c:1269)
[  545.677735][ T9375]  ? move_addr_to_kernel (net/socket.c:258)
[  545.677743][ T9375]  ___sys_sendmsg (net/socket.c:2767)
[  545.677746][ T9375]  ? copy_msghdr_from_user (net/socket.c:2619)
[  545.677762][ T9375]  __sys_sendmsg (net/socket.c:2799)
[  545.677765][ T9375]  ? __sys_sendmsg_sock (net/socket.c:2780)
[  545.677771][ T9375]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  545.677774][ T9375]  do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84)
[  545.677777][ T9375]  ? exc_page_fault (arch/x86/mm/fault.c:1489 (discriminator 3) arch/x86/mm/fault.c:1536 (discriminator 3))
[  545.677780][ T9375]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[  545.677783][ T9375] RIP: 0033:0x7f0d7674354e
[  545.677789][ T9375] 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
[  545.677791][ T9375] RSP: 002b:00007fff6572b7b0 EFLAGS: 00000202 ORIG_RAX: 000000000000002e
[  545.677794][ T9375] RAX: ffffffffffffffda RBX: 0000000000000005 RCX: 00007f0d7674354e
[  545.677795][ T9375] RDX: 0000000000000000 RSI: 00007fff6572b860 RDI: 0000000000000005
[  545.677796][ T9375] RBP: 00007fff6572b7c0 R08: 0000000000000000 R09: 0000000000000000
[  545.677797][ T9375] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a91a6b9
[  545.677798][ T9375] R13: 00000000004a1620 R14: 0000000000000000 R15: 00007fff6572bf30
| [  554.535418][ T9518] softirqs last disabled at (24186): netif_change_name (./include/linux/spinlock.h:353 ./include/linux/seqlock.h:908 net/core/dev.c:1499)
| [  554.535420][ T9518] Preemption disabled at:
| [  554.535421][ T9518] vprintk_emit (kernel/printk/printk.c:2471)
| [  554.535429][ T9518] Tainted: [W]=WARN
[  554.535431][ T9518] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[  554.535432][ T9518] Call Trace:
[  554.535433][ T9518]  <TASK>
[  554.535435][ T9518]  dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120)
[  554.535441][ T9518]  ? vprintk_emit (kernel/printk/printk.c:2471)
[  554.535443][ T9518]  __might_resched.cold (kernel/sched/core.c:9234)
[  554.535448][ T9518]  ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3))
[  554.535452][ T9518]  ? __kmalloc_noprof (./include/linux/sched/mm.h:317 mm/slub.c:4636 mm/slub.c:4974 mm/slub.c:5413 mm/slub.c:5439)
[  554.535457][ T9518]  __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))
[  554.535459][ T9518]  ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[  554.535465][ T9518]  ? 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)
[  554.535468][ T9518]  alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[  554.535472][ T9518]  put_chars (drivers/char/virtio_console.c:1176)
[  554.535475][ T9518]  ? __send_to_port (drivers/char/virtio_console.c:654)
[  554.535481][ T9518]  hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2))
[  554.535489][ T9518]  ? hvc_write (drivers/tty/hvc/hvc_console.c:501)
[  554.535492][ T9518]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  554.535497][ T9518]  console_emit_next_record (kernel/printk/printk.c:3183)
[  554.535501][ T9518]  ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20)
[  554.535503][ T9518]  ? 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))
[  554.535506][ T9518]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  554.535509][ T9518]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  554.535513][ T9518]  console_flush_one_record (kernel/printk/printk.c:3268)
[  554.535517][ T9518]  ? console_emit_next_record (kernel/printk/printk.c:3150)
[  554.535519][ T9518]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[  554.535525][ T9518]  console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420)
[  554.535528][ T9518]  ? console_flush_one_record (kernel/printk/printk.c:3316)
[  554.535529][ T9518]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  554.535531][ T9518]  ? 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)
[  554.535543][ T9518]  ? __down_trylock_console_sem (kernel/printk/printk.c:334)
[  554.535545][ T9518]  ? vprintk_emit (kernel/printk/printk.c:2478)
[  554.535550][ T9518]  vprintk_emit (kernel/printk/printk.c:2479)
[  554.535554][ T9518]  ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126))
[  554.535556][ T9518]  ? _mutex_trylock_nest_lock (kernel/locking/mutex.c:1227 (discriminator 6))
[  554.535562][ T9518]  _printk (kernel/printk/printk.c:2504)
[  554.535566][ T9518]  ? snapshot_read.cold (user.c:?)
[  554.535567][ T9518]  ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4116 (discriminator 3) kernel/rcu/tree.c:4108 (discriminator 3))
[  554.535570][ T9518]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380)
[  554.535573][ T9518]  ? validate_chain (kernel/locking/lockdep.c:3817 (discriminator 2) kernel/locking/lockdep.c:3837 (discriminator 2) kernel/locking/lockdep.c:3892 (discriminator 2))
[  554.535575][ T9518]  ? netdev_name (./include/linux/netdevice.h:5709 (discriminator 1))
[  554.535579][ T9518]  ? __netdev_printk (net/core/dev.c:13148 (discriminator 2))
[  554.535581][ T9518]  ? do_setlink.isra.0 (net/core/rtnetlink.c:3246)
[  554.535584][ T9518]  netdev_info (net/core/dev.c:13195 (discriminator 3))
[  554.535587][ T9518]  ? netdev_notice (net/core/dev.c:13194)
[  554.535590][ T9518]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[  554.535593][ T9518]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554)
[  554.535595][ T9518]  ? mark_held_locks (kernel/locking/lockdep.c:4341)
[  554.535599][ T9518]  ? do_setlink.isra.0 (net/core/rtnetlink.c:3246)
[  554.535601][ T9518]  netif_change_name.cold (net/core/dev.c:1507 (discriminator 3))
[  554.535603][ T9518]  ? register_netdev (net/core/dev.c:11618)
[  554.535604][ T9518]  ? 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))
[  554.535610][ T9518]  ? netdev_adjacent_rename_links (net/core/dev.c:9598)
[  554.535612][ T9518]  ? __kernel_text_address (kernel/extable.c:79)
[  554.535615][ T9518]  ? write_profile (profile.c:?)
[  554.535619][ T9518]  ? __asan_memset (mm/kasan/shadow.c:84 (discriminator 1))
[  554.535625][ T9518]  do_setlink.isra.0 (net/core/rtnetlink.c:3246)
[  554.535628][ T9518]  ? stack_trace_save (kernel/stacktrace.c:122 (discriminator 1))
[  554.535631][ T9518]  ? rtnl_link_get_size (net/core/rtnetlink.c:747)
[  554.535632][ T9518]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:388 kernel/rcu/update.c:380)
[  554.535634][ T9518]  ? stack_depot_save_flags (lib/stackdepot.c:609 (discriminator 2) lib/stackdepot.c:676 (discriminator 2))
[  554.535638][ T9518]  ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4116 (discriminator 3) kernel/rcu/tree.c:4108 (discriminator 3))
[  554.535639][ T9518]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380)
[  554.535641][ T9518]  ? validate_chain (kernel/locking/lockdep.c:3817 (discriminator 2) kernel/locking/lockdep.c:3837 (discriminator 2) kernel/locking/lockdep.c:3892 (discriminator 2))
[  554.535644][ T9518]  ? kasan_save_stack (mm/kasan/common.c:58)
[  554.535646][ T9518]  ? kasan_save_stack (mm/kasan/common.c:57)
[  554.535647][ T9518]  ? kasan_save_track (mm/kasan/common.c:78)
[  554.535648][ T9518]  ? __kasan_kmalloc (mm/kasan/common.c:398 mm/kasan/common.c:415)
[  554.535650][ T9518]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[  554.535652][ T9518]  ? snd_ac97_proc_read_main (sound/pci/ac97/ac97_proc.c:320)
[  554.535655][ T9518]  ? ___sys_sendmsg (net/socket.c:2758)
[  554.535659][ T9518]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2))
[  554.535661][ T9518]  ? rtnl_newlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:366 net/core/rtnetlink.c:4214)
[  554.535664][ T9518]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  554.535666][ T9518]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  554.535667][ T9518]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  554.535668][ T9518]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  554.535670][ T9518]  ? trace_contention_end (./include/trace/events/lock.h:121 (discriminator 22))
[  554.535672][ T9518]  ? __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)
[  554.535674][ T9518]  ? __mutex_lock (kernel/locking/mutex.c:656 (discriminator 1) kernel/locking/mutex.c:821 (discriminator 1))
[  554.535676][ T9518]  ? rtnl_newlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:366 net/core/rtnetlink.c:4214)
[  554.535679][ T9518]  ? ww_mutex_lock (kernel/locking/mutex.c:934)
[  554.535681][ T9518]  ? nla_get_range_signed (lib/nlattr.c:270)
[  554.535686][ T9518]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  554.535688][ T9518]  ? __rtnl_newlink (net/core/rtnetlink.c:4063)
[  554.535693][ T9518]  rtnl_newlink (net/core/rtnetlink.c:4215)
[  554.535699][ T9518]  ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558)
[  554.535700][ T9518]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[  554.535705][ T9518]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2))
[  554.535707][ T9518]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[  554.535709][ T9518]  ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558)
[  554.535711][ T9518]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554)
[  554.535715][ T9518]  ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558)
[  554.535717][ T9518]  rtnetlink_rcv_msg (net/core/rtnetlink.c:7132)
[  554.535720][ T9518]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[  554.535721][ T9518]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[  554.535726][ T9518]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2))
[  554.535728][ T9518]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[  554.535731][ T9518]  netlink_rcv_skb (net/netlink/af_netlink.c:2556)
[  554.535735][ T9518]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[  554.535737][ T9518]  ? netlink_ack (./include/linux/skbuff.h:2718)
[  554.535744][ T9518]  ? 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))
[  554.535746][ T9518]  ? 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))
[  554.535750][ T9518]  netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[  554.535754][ T9518]  ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[  554.535757][ T9518]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[  554.535761][ T9518]  netlink_sendmsg (net/netlink/af_netlink.c:1900)
[  554.535765][ T9518]  ? netlink_unicast (./include/net/net_namespace.h:422 (discriminator 7))
[  554.535769][ T9518]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554)
[  554.535771][ T9518]  ? __import_iovec (lib/iov_iter.c:1358 lib/iov_iter.c:1373)
[  554.535776][ T9518]  __sock_sendmsg (net/socket.c:800 (discriminator 4) net/socket.c:815 (discriminator 4))
[  554.535779][ T9518]  ____sys_sendmsg (net/socket.c:2713)
[  554.535782][ T9518]  ? copy_msghdr_from_user (net/socket.c:2650)
[  554.535787][ T9518]  ? sock_write_iter (net/socket.c:1269)
[  554.535788][ T9518]  ? move_addr_to_kernel (net/socket.c:258)
[  554.535796][ T9518]  ___sys_sendmsg (net/socket.c:2767)
[  554.535799][ T9518]  ? copy_msghdr_from_user (net/socket.c:2619)
[  554.535815][ T9518]  __sys_sendmsg (net/socket.c:2799)
[  554.535818][ T9518]  ? __sys_sendmsg_sock (net/socket.c:2780)
[  554.535824][ T9518]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  554.535827][ T9518]  do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84)
[  554.535831][ T9518]  ? exc_page_fault (arch/x86/mm/fault.c:1489 (discriminator 3) arch/x86/mm/fault.c:1536 (discriminator 3))
[  554.535834][ T9518]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[  554.535836][ T9518] RIP: 0033:0x7fbda2f4254e
[  554.535840][ T9518] 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
[  554.535841][ T9518] RSP: 002b:00007ffe81055620 EFLAGS: 00000202 ORIG_RAX: 000000000000002e
[  554.535844][ T9518] RAX: ffffffffffffffda RBX: 0000000000000005 RCX: 00007fbda2f4254e
[  554.535846][ T9518] RDX: 0000000000000000 RSI: 00007ffe810556d0 RDI: 0000000000000005
[  554.535847][ T9518] RBP: 00007ffe81055630 R08: 0000000000000000 R09: 0000000000000000
[  554.535847][ T9518] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a91a6c1
[  554.535848][ T9518] R13: 00000000004a1620 R14: 0000000000000000 R15: 00007ffe81055da0
| [  563.360562][ T9661] softirqs last disabled at (19180): netif_change_name (./include/linux/spinlock.h:353 ./include/linux/seqlock.h:908 net/core/dev.c:1499)
| [  563.360565][ T9661] Preemption disabled at:
| [  563.360565][ T9661] vprintk_emit (kernel/printk/printk.c:2471)
| [  563.360574][ T9661] Tainted: [W]=WARN
[  563.360575][ T9661] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[  563.360577][ T9661] Call Trace:
[  563.360578][ T9661]  <TASK>
[  563.360580][ T9661]  dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120)
[  563.360586][ T9661]  ? vprintk_emit (kernel/printk/printk.c:2471)
[  563.360588][ T9661]  __might_resched.cold (kernel/sched/core.c:9234)
[  563.360592][ T9661]  ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3))
[  563.360597][ T9661]  ? __kmalloc_noprof (./include/linux/sched/mm.h:317 mm/slub.c:4636 mm/slub.c:4974 mm/slub.c:5413 mm/slub.c:5439)
[  563.360608][ T9661]  __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))
[  563.360610][ T9661]  ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[  563.360617][ T9661]  ? 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)
[  563.360620][ T9661]  alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[  563.360623][ T9661]  put_chars (drivers/char/virtio_console.c:1176)
[  563.360626][ T9661]  ? __send_to_port (drivers/char/virtio_console.c:654)
[  563.360632][ T9661]  hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2))
[  563.360640][ T9661]  ? hvc_write (drivers/tty/hvc/hvc_console.c:501)
[  563.360643][ T9661]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  563.360648][ T9661]  console_emit_next_record (kernel/printk/printk.c:3183)
[  563.360652][ T9661]  ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20)
[  563.360654][ T9661]  ? 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))
[  563.360658][ T9661]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  563.360661][ T9661]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  563.360665][ T9661]  console_flush_one_record (kernel/printk/printk.c:3268)
[  563.360669][ T9661]  ? console_emit_next_record (kernel/printk/printk.c:3150)
[  563.360671][ T9661]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[  563.360677][ T9661]  console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420)
[  563.360680][ T9661]  ? console_flush_one_record (kernel/printk/printk.c:3316)
[  563.360681][ T9661]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  563.360683][ T9661]  ? 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)
[  563.360687][ T9661]  ? __down_trylock_console_sem (kernel/printk/printk.c:334)
[  563.360689][ T9661]  ? vprintk_emit (kernel/printk/printk.c:2478)
[  563.360692][ T9661]  vprintk_emit (kernel/printk/printk.c:2479)
[  563.360695][ T9661]  ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126))
[  563.360698][ T9661]  ? _mutex_trylock_nest_lock (kernel/locking/mutex.c:1227 (discriminator 6))
[  563.360703][ T9661]  _printk (kernel/printk/printk.c:2504)
[  563.360707][ T9661]  ? snapshot_read.cold (user.c:?)
[  563.360709][ T9661]  ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4116 (discriminator 3) kernel/rcu/tree.c:4108 (discriminator 3))
[  563.360711][ T9661]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380)
[  563.360714][ T9661]  ? validate_chain (kernel/locking/lockdep.c:3817 (discriminator 2) kernel/locking/lockdep.c:3837 (discriminator 2) kernel/locking/lockdep.c:3892 (discriminator 2))
[  563.360716][ T9661]  ? netdev_name (./include/linux/netdevice.h:5709 (discriminator 1))
[  563.360720][ T9661]  ? __netdev_printk (net/core/dev.c:13148 (discriminator 2))
[  563.360723][ T9661]  ? do_setlink.isra.0 (net/core/rtnetlink.c:3246)
[  563.360725][ T9661]  netdev_info (net/core/dev.c:13195 (discriminator 3))
[  563.360729][ T9661]  ? netdev_notice (net/core/dev.c:13194)
[  563.360731][ T9661]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[  563.360734][ T9661]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554)
[  563.360737][ T9661]  ? mark_held_locks (kernel/locking/lockdep.c:4341)
[  563.360741][ T9661]  ? do_setlink.isra.0 (net/core/rtnetlink.c:3246)
[  563.360743][ T9661]  netif_change_name.cold (net/core/dev.c:1507 (discriminator 3))
[  563.360745][ T9661]  ? register_netdev (net/core/dev.c:11618)
[  563.360746][ T9661]  ? 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))
[  563.360752][ T9661]  ? netdev_adjacent_rename_links (net/core/dev.c:9598)
[  563.360755][ T9661]  ? __kernel_text_address (kernel/extable.c:79)
[  563.360757][ T9661]  ? write_profile (profile.c:?)
[  563.360762][ T9661]  ? __asan_memset (mm/kasan/shadow.c:84 (discriminator 1))
[  563.360768][ T9661]  do_setlink.isra.0 (net/core/rtnetlink.c:3246)
[  563.360771][ T9661]  ? stack_trace_save (kernel/stacktrace.c:122 (discriminator 1))
[  563.360773][ T9661]  ? rtnl_link_get_size (net/core/rtnetlink.c:747)
[  563.360775][ T9661]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:388 kernel/rcu/update.c:380)
[  563.360777][ T9661]  ? stack_depot_save_flags (lib/stackdepot.c:609 (discriminator 2) lib/stackdepot.c:676 (discriminator 2))
[  563.360780][ T9661]  ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4116 (discriminator 3) kernel/rcu/tree.c:4108 (discriminator 3))
[  563.360782][ T9661]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380)
[  563.360787][ T9661]  ? validate_chain (kernel/locking/lockdep.c:3817 (discriminator 2) kernel/locking/lockdep.c:3837 (discriminator 2) kernel/locking/lockdep.c:3892 (discriminator 2))
[  563.360789][ T9661]  ? kasan_save_stack (mm/kasan/common.c:58)
[  563.360791][ T9661]  ? kasan_save_stack (mm/kasan/common.c:57)
[  563.360793][ T9661]  ? kasan_save_track (mm/kasan/common.c:78)
[  563.360794][ T9661]  ? __kasan_kmalloc (mm/kasan/common.c:398 mm/kasan/common.c:415)
[  563.360796][ T9661]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[  563.360798][ T9661]  ? snd_ac97_proc_read_main (sound/pci/ac97/ac97_proc.c:320)
[  563.360802][ T9661]  ? ___sys_sendmsg (net/socket.c:2758)
[  563.360806][ T9661]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2))
[  563.360808][ T9661]  ? rtnl_newlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:366 net/core/rtnetlink.c:4214)
[  563.360810][ T9661]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  563.360812][ T9661]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  563.360814][ T9661]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  563.360815][ T9661]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  563.360817][ T9661]  ? trace_contention_end (./include/trace/events/lock.h:121 (discriminator 22))
[  563.360819][ T9661]  ? __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)
[  563.360821][ T9661]  ? __mutex_lock (kernel/locking/mutex.c:656 (discriminator 1) kernel/locking/mutex.c:821 (discriminator 1))
[  563.360823][ T9661]  ? rtnl_newlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:366 net/core/rtnetlink.c:4214)
[  563.360826][ T9661]  ? ww_mutex_lock (kernel/locking/mutex.c:934)
[  563.360827][ T9661]  ? nla_get_range_signed (lib/nlattr.c:270)
[  563.360832][ T9661]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  563.360835][ T9661]  ? __rtnl_newlink (net/core/rtnetlink.c:4063)
[  563.360840][ T9661]  rtnl_newlink (net/core/rtnetlink.c:4215)
[  563.360845][ T9661]  ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558)
[  563.360847][ T9661]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[  563.360852][ T9661]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2))
[  563.360854][ T9661]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[  563.360856][ T9661]  ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558)
[  563.360858][ T9661]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554)
[  563.360862][ T9661]  ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558)
[  563.360864][ T9661]  rtnetlink_rcv_msg (net/core/rtnetlink.c:7132)
[  563.360867][ T9661]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[  563.360869][ T9661]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[  563.360873][ T9661]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2))
[  563.360875][ T9661]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[  563.360879][ T9661]  netlink_rcv_skb (net/netlink/af_netlink.c:2556)
[  563.360882][ T9661]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[  563.360885][ T9661]  ? netlink_ack (./include/linux/skbuff.h:2718)
[  563.360892][ T9661]  ? 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))
[  563.360894][ T9661]  ? 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))
[  563.360898][ T9661]  netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[  563.360902][ T9661]  ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[  563.360905][ T9661]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[  563.360909][ T9661]  netlink_sendmsg (net/netlink/af_netlink.c:1900)
[  563.360913][ T9661]  ? netlink_unicast (./include/net/net_namespace.h:422 (discriminator 7))
[  563.360917][ T9661]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554)
[  563.360919][ T9661]  ? __import_iovec (lib/iov_iter.c:1358 lib/iov_iter.c:1373)
[  563.360925][ T9661]  __sock_sendmsg (net/socket.c:800 (discriminator 4) net/socket.c:815 (discriminator 4))
[  563.360927][ T9661]  ____sys_sendmsg (net/socket.c:2713)
[  563.360930][ T9661]  ? copy_msghdr_from_user (net/socket.c:2650)
[  563.360932][ T9661]  ? sock_write_iter (net/socket.c:1269)
[  563.360934][ T9661]  ? move_addr_to_kernel (net/socket.c:258)
[  563.360941][ T9661]  ___sys_sendmsg (net/socket.c:2767)
[  563.360944][ T9661]  ? copy_msghdr_from_user (net/socket.c:2619)
[  563.360961][ T9661]  __sys_sendmsg (net/socket.c:2799)
[  563.360964][ T9661]  ? __sys_sendmsg_sock (net/socket.c:2780)
[  563.360970][ T9661]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  563.360973][ T9661]  do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84)
[  563.360976][ T9661]  ? exc_page_fault (arch/x86/mm/fault.c:1489 (discriminator 3) arch/x86/mm/fault.c:1536 (discriminator 3))
[  563.360979][ T9661]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[  563.360981][ T9661] RIP: 0033:0x7fc9f498354e
[  563.360986][ T9661] 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
[  563.360987][ T9661] RSP: 002b:00007ffd437d1040 EFLAGS: 00000202 ORIG_RAX: 000000000000002e
[  563.360990][ T9661] RAX: ffffffffffffffda RBX: 0000000000000005 RCX: 00007fc9f498354e
[  563.360992][ T9661] RDX: 0000000000000000 RSI: 00007ffd437d10f0 RDI: 0000000000000005
[  563.360993][ T9661] RBP: 00007ffd437d1050 R08: 0000000000000000 R09: 0000000000000000
[  563.360993][ T9661] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a91a6ca
[  563.360994][ T9661] R13: 00000000004a1620 R14: 0000000000000000 R15: 00007ffd437d17c0
| [  572.149362][ T9804] softirqs last disabled at (17984): netif_change_name (./include/linux/spinlock.h:353 ./include/linux/seqlock.h:908 net/core/dev.c:1499)
| [  572.149365][ T9804] Preemption disabled at:
| [  572.149366][ T9804] vprintk_emit (kernel/printk/printk.c:2471)
| [  572.149375][ T9804] Tainted: [W]=WARN
[  572.149376][ T9804] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[  572.149377][ T9804] Call Trace:
[  572.149379][ T9804]  <TASK>
[  572.149380][ T9804]  dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120)
[  572.149387][ T9804]  ? vprintk_emit (kernel/printk/printk.c:2471)
[  572.149389][ T9804]  __might_resched.cold (kernel/sched/core.c:9234)
[  572.149394][ T9804]  ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3))
[  572.149398][ T9804]  ? __kmalloc_noprof (./include/linux/sched/mm.h:317 mm/slub.c:4636 mm/slub.c:4974 mm/slub.c:5413 mm/slub.c:5439)
[  572.149403][ T9804]  __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))
[  572.149405][ T9804]  ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[  572.149411][ T9804]  ? 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)
[  572.149414][ T9804]  alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[  572.149418][ T9804]  put_chars (drivers/char/virtio_console.c:1176)
[  572.149420][ T9804]  ? __send_to_port (drivers/char/virtio_console.c:654)
[  572.149427][ T9804]  hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2))
[  572.149435][ T9804]  ? hvc_write (drivers/tty/hvc/hvc_console.c:501)
[  572.149438][ T9804]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  572.149443][ T9804]  console_emit_next_record (kernel/printk/printk.c:3183)
[  572.149447][ T9804]  ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20)
[  572.149449][ T9804]  ? 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))
[  572.149452][ T9804]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  572.149455][ T9804]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  572.149459][ T9804]  console_flush_one_record (kernel/printk/printk.c:3268)
[  572.149463][ T9804]  ? console_emit_next_record (kernel/printk/printk.c:3150)
[  572.149465][ T9804]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[  572.149471][ T9804]  console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420)
[  572.149474][ T9804]  ? console_flush_one_record (kernel/printk/printk.c:3316)
[  572.149476][ T9804]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  572.149478][ T9804]  ? 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)
[  572.149481][ T9804]  ? __down_trylock_console_sem (kernel/printk/printk.c:334)
[  572.149483][ T9804]  ? vprintk_emit (kernel/printk/printk.c:2478)
[  572.149486][ T9804]  vprintk_emit (kernel/printk/printk.c:2479)
[  572.149489][ T9804]  ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126))
[  572.149492][ T9804]  ? _mutex_trylock_nest_lock (kernel/locking/mutex.c:1227 (discriminator 6))
[  572.149498][ T9804]  _printk (kernel/printk/printk.c:2504)
[  572.149502][ T9804]  ? snapshot_read.cold (user.c:?)
[  572.149504][ T9804]  ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4116 (discriminator 3) kernel/rcu/tree.c:4108 (discriminator 3))
[  572.149506][ T9804]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380)
[  572.149509][ T9804]  ? validate_chain (kernel/locking/lockdep.c:3817 (discriminator 2) kernel/locking/lockdep.c:3837 (discriminator 2) kernel/locking/lockdep.c:3892 (discriminator 2))
[  572.149512][ T9804]  ? netdev_name (./include/linux/netdevice.h:5709 (discriminator 1))
[  572.149516][ T9804]  ? __netdev_printk (net/core/dev.c:13148 (discriminator 2))
[  572.149518][ T9804]  ? do_setlink.isra.0 (net/core/rtnetlink.c:3246)
[  572.149521][ T9804]  netdev_info (net/core/dev.c:13195 (discriminator 3))
[  572.149524][ T9804]  ? netdev_notice (net/core/dev.c:13194)
[  572.149527][ T9804]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[  572.149530][ T9804]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554)
[  572.149532][ T9804]  ? mark_held_locks (kernel/locking/lockdep.c:4341)
[  572.149536][ T9804]  ? do_setlink.isra.0 (net/core/rtnetlink.c:3246)
[  572.149538][ T9804]  netif_change_name.cold (net/core/dev.c:1507 (discriminator 3))
[  572.149540][ T9804]  ? register_netdev (net/core/dev.c:11618)
[  572.149543][ T9804]  ? 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))
[  572.149550][ T9804]  ? netdev_adjacent_rename_links (net/core/dev.c:9598)
[  572.149553][ T9804]  ? __kernel_text_address (kernel/extable.c:79)
[  572.149556][ T9804]  ? write_profile (profile.c:?)
[  572.149560][ T9804]  ? __asan_memset (mm/kasan/shadow.c:84 (discriminator 1))
[  572.149566][ T9804]  do_setlink.isra.0 (net/core/rtnetlink.c:3246)
[  572.149570][ T9804]  ? stack_trace_save (kernel/stacktrace.c:122 (discriminator 1))
[  572.149572][ T9804]  ? rtnl_link_get_size (net/core/rtnetlink.c:747)
[  572.149573][ T9804]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:388 kernel/rcu/update.c:380)
[  572.149575][ T9804]  ? stack_depot_save_flags (lib/stackdepot.c:609 (discriminator 2) lib/stackdepot.c:676 (discriminator 2))
[  572.149579][ T9804]  ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4116 (discriminator 3) kernel/rcu/tree.c:4108 (discriminator 3))
[  572.149581][ T9804]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380)
[  572.149583][ T9804]  ? validate_chain (kernel/locking/lockdep.c:3817 (discriminator 2) kernel/locking/lockdep.c:3837 (discriminator 2) kernel/locking/lockdep.c:3892 (discriminator 2))
[  572.149585][ T9804]  ? kasan_save_stack (mm/kasan/common.c:58)
[  572.149587][ T9804]  ? kasan_save_stack (mm/kasan/common.c:57)
[  572.149588][ T9804]  ? kasan_save_track (mm/kasan/common.c:78)
[  572.149590][ T9804]  ? __kasan_kmalloc (mm/kasan/common.c:398 mm/kasan/common.c:415)
[  572.149592][ T9804]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[  572.149594][ T9804]  ? snd_ac97_proc_read_main (sound/pci/ac97/ac97_proc.c:320)
[  572.149597][ T9804]  ? ___sys_sendmsg (net/socket.c:2758)
[  572.149601][ T9804]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2))
[  572.149603][ T9804]  ? rtnl_newlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:366 net/core/rtnetlink.c:4214)
[  572.149606][ T9804]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  572.149607][ T9804]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  572.149609][ T9804]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  572.149610][ T9804]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  572.149612][ T9804]  ? trace_contention_end (./include/trace/events/lock.h:121 (discriminator 22))
[  572.149614][ T9804]  ? __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)
[  572.149616][ T9804]  ? __mutex_lock (kernel/locking/mutex.c:656 (discriminator 1) kernel/locking/mutex.c:821 (discriminator 1))
[  572.149618][ T9804]  ? rtnl_newlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:366 net/core/rtnetlink.c:4214)
[  572.149621][ T9804]  ? ww_mutex_lock (kernel/locking/mutex.c:934)
[  572.149622][ T9804]  ? nla_get_range_signed (lib/nlattr.c:270)
[  572.149627][ T9804]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  572.149630][ T9804]  ? __rtnl_newlink (net/core/rtnetlink.c:4063)
[  572.149635][ T9804]  rtnl_newlink (net/core/rtnetlink.c:4215)
[  572.149640][ T9804]  ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558)
[  572.149642][ T9804]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[  572.149647][ T9804]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2))
[  572.149649][ T9804]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[  572.149651][ T9804]  ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558)
[  572.149653][ T9804]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554)
[  572.149657][ T9804]  ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558)
[  572.149659][ T9804]  rtnetlink_rcv_msg (net/core/rtnetlink.c:7132)
[  572.149662][ T9804]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[  572.149663][ T9804]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[  572.149674][ T9804]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2))
[  572.149676][ T9804]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[  572.149680][ T9804]  netlink_rcv_skb (net/netlink/af_netlink.c:2556)
[  572.149683][ T9804]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[  572.149686][ T9804]  ? netlink_ack (./include/linux/skbuff.h:2718)
[  572.149693][ T9804]  ? 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))
[  572.149695][ T9804]  ? 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))
[  572.149700][ T9804]  netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[  572.149704][ T9804]  ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[  572.149706][ T9804]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[  572.149711][ T9804]  netlink_sendmsg (net/netlink/af_netlink.c:1900)
[  572.149715][ T9804]  ? netlink_unicast (./include/net/net_namespace.h:422 (discriminator 7))
[  572.149719][ T9804]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554)
[  572.149720][ T9804]  ? __import_iovec (lib/iov_iter.c:1358 lib/iov_iter.c:1373)
[  572.149726][ T9804]  __sock_sendmsg (net/socket.c:800 (discriminator 4) net/socket.c:815 (discriminator 4))
[  572.149729][ T9804]  ____sys_sendmsg (net/socket.c:2713)
[  572.149731][ T9804]  ? copy_msghdr_from_user (net/socket.c:2650)
[  572.149734][ T9804]  ? sock_write_iter (net/socket.c:1269)
[  572.149735][ T9804]  ? move_addr_to_kernel (net/socket.c:258)
[  572.149743][ T9804]  ___sys_sendmsg (net/socket.c:2767)
[  572.149746][ T9804]  ? copy_msghdr_from_user (net/socket.c:2619)
[  572.149762][ T9804]  __sys_sendmsg (net/socket.c:2799)
[  572.149765][ T9804]  ? __sys_sendmsg_sock (net/socket.c:2780)
[  572.149772][ T9804]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  572.149775][ T9804]  do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84)
[  572.149778][ T9804]  ? exc_page_fault (arch/x86/mm/fault.c:1489 (discriminator 3) arch/x86/mm/fault.c:1536 (discriminator 3))
[  572.149781][ T9804]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[  572.149783][ T9804] RIP: 0033:0x7f2a6019454e
[  572.149790][ T9804] 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
[  572.149792][ T9804] RSP: 002b:00007ffda7269010 EFLAGS: 00000202 ORIG_RAX: 000000000000002e
[  572.149794][ T9804] RAX: ffffffffffffffda RBX: 0000000000000005 RCX: 00007f2a6019454e
[  572.149796][ T9804] RDX: 0000000000000000 RSI: 00007ffda72690c0 RDI: 0000000000000005
[  572.149797][ T9804] RBP: 00007ffda7269020 R08: 0000000000000000 R09: 0000000000000000
[  572.149798][ T9804] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a91a6d3
[  572.149798][ T9804] R13: 00000000004a1620 R14: 0000000000000000 R15: 00007ffda7269790
| [  580.979592][ T9947] softirqs last disabled at (18296): netif_change_name (./include/linux/spinlock.h:353 ./include/linux/seqlock.h:908 net/core/dev.c:1499)
| [  580.979595][ T9947] Preemption disabled at:
| [  580.979596][ T9947] vprintk_emit (kernel/printk/printk.c:2471)
| [  580.979604][ T9947] Tainted: [W]=WARN
[  580.979605][ T9947] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[  580.979606][ T9947] Call Trace:
[  580.979608][ T9947]  <TASK>
[  580.979610][ T9947]  dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120)
[  580.979616][ T9947]  ? vprintk_emit (kernel/printk/printk.c:2471)
[  580.979618][ T9947]  __might_resched.cold (kernel/sched/core.c:9234)
[  580.979622][ T9947]  ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3))
[  580.979627][ T9947]  ? __kmalloc_noprof (./include/linux/sched/mm.h:317 mm/slub.c:4636 mm/slub.c:4974 mm/slub.c:5413 mm/slub.c:5439)
[  580.979631][ T9947]  __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))
[  580.979633][ T9947]  ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[  580.979640][ T9947]  ? 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)
[  580.979643][ T9947]  alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[  580.979647][ T9947]  put_chars (drivers/char/virtio_console.c:1176)
[  580.979649][ T9947]  ? __send_to_port (drivers/char/virtio_console.c:654)
[  580.979656][ T9947]  hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2))
[  580.979664][ T9947]  ? hvc_write (drivers/tty/hvc/hvc_console.c:501)
[  580.979667][ T9947]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  580.979672][ T9947]  console_emit_next_record (kernel/printk/printk.c:3183)
[  580.979676][ T9947]  ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20)
[  580.979678][ T9947]  ? 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))
[  580.979681][ T9947]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  580.979684][ T9947]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  580.979688][ T9947]  console_flush_one_record (kernel/printk/printk.c:3268)
[  580.979693][ T9947]  ? console_emit_next_record (kernel/printk/printk.c:3150)
[  580.979695][ T9947]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[  580.979700][ T9947]  console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420)
[  580.979703][ T9947]  ? console_flush_one_record (kernel/printk/printk.c:3316)
[  580.979705][ T9947]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  580.979707][ T9947]  ? 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)
[  580.979710][ T9947]  ? __down_trylock_console_sem (kernel/printk/printk.c:334)
[  580.979712][ T9947]  ? vprintk_emit (kernel/printk/printk.c:2478)
[  580.979715][ T9947]  vprintk_emit (kernel/printk/printk.c:2479)
[  580.979718][ T9947]  ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126))
[  580.979721][ T9947]  ? _mutex_trylock_nest_lock (kernel/locking/mutex.c:1227 (discriminator 6))
[  580.979727][ T9947]  _printk (kernel/printk/printk.c:2504)
[  580.979737][ T9947]  ? snapshot_read.cold (user.c:?)
[  580.979739][ T9947]  ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4116 (discriminator 3) kernel/rcu/tree.c:4108 (discriminator 3))
[  580.979742][ T9947]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380)
[  580.979744][ T9947]  ? validate_chain (kernel/locking/lockdep.c:3817 (discriminator 2) kernel/locking/lockdep.c:3837 (discriminator 2) kernel/locking/lockdep.c:3892 (discriminator 2))
[  580.979747][ T9947]  ? netdev_name (./include/linux/netdevice.h:5709 (discriminator 1))
[  580.979751][ T9947]  ? __netdev_printk (net/core/dev.c:13148 (discriminator 2))
[  580.979754][ T9947]  ? do_setlink.isra.0 (net/core/rtnetlink.c:3246)
[  580.979756][ T9947]  netdev_info (net/core/dev.c:13195 (discriminator 3))
[  580.979759][ T9947]  ? netdev_notice (net/core/dev.c:13194)
[  580.979762][ T9947]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[  580.979765][ T9947]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554)
[  580.979768][ T9947]  ? mark_held_locks (kernel/locking/lockdep.c:4341)
[  580.979771][ T9947]  ? do_setlink.isra.0 (net/core/rtnetlink.c:3246)
[  580.979773][ T9947]  netif_change_name.cold (net/core/dev.c:1507 (discriminator 3))
[  580.979776][ T9947]  ? register_netdev (net/core/dev.c:11618)
[  580.979777][ T9947]  ? 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))
[  580.979783][ T9947]  ? netdev_adjacent_rename_links (net/core/dev.c:9598)
[  580.979788][ T9947]  ? __kernel_text_address (kernel/extable.c:79)
[  580.979791][ T9947]  ? write_profile (profile.c:?)
[  580.979795][ T9947]  ? __asan_memset (mm/kasan/shadow.c:84 (discriminator 1))
[  580.979801][ T9947]  do_setlink.isra.0 (net/core/rtnetlink.c:3246)
[  580.979804][ T9947]  ? stack_trace_save (kernel/stacktrace.c:122 (discriminator 1))
[  580.979807][ T9947]  ? rtnl_link_get_size (net/core/rtnetlink.c:747)
[  580.979808][ T9947]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:388 kernel/rcu/update.c:380)
[  580.979810][ T9947]  ? stack_depot_save_flags (lib/stackdepot.c:609 (discriminator 2) lib/stackdepot.c:676 (discriminator 2))
[  580.979813][ T9947]  ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4116 (discriminator 3) kernel/rcu/tree.c:4108 (discriminator 3))
[  580.979815][ T9947]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380)
[  580.979817][ T9947]  ? validate_chain (kernel/locking/lockdep.c:3817 (discriminator 2) kernel/locking/lockdep.c:3837 (discriminator 2) kernel/locking/lockdep.c:3892 (discriminator 2))
[  580.979820][ T9947]  ? kasan_save_stack (mm/kasan/common.c:58)
[  580.979822][ T9947]  ? kasan_save_stack (mm/kasan/common.c:57)
[  580.979823][ T9947]  ? kasan_save_track (mm/kasan/common.c:78)
[  580.979824][ T9947]  ? __kasan_kmalloc (mm/kasan/common.c:398 mm/kasan/common.c:415)
[  580.979827][ T9947]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[  580.979829][ T9947]  ? snd_ac97_proc_read_main (sound/pci/ac97/ac97_proc.c:320)
[  580.979832][ T9947]  ? ___sys_sendmsg (net/socket.c:2758)
[  580.979836][ T9947]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2))
[  580.979838][ T9947]  ? rtnl_newlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:366 net/core/rtnetlink.c:4214)
[  580.979841][ T9947]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  580.979842][ T9947]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  580.979844][ T9947]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  580.979845][ T9947]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  580.979847][ T9947]  ? trace_contention_end (./include/trace/events/lock.h:121 (discriminator 22))
[  580.979849][ T9947]  ? __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)
[  580.979851][ T9947]  ? __mutex_lock (kernel/locking/mutex.c:656 (discriminator 1) kernel/locking/mutex.c:821 (discriminator 1))
[  580.979853][ T9947]  ? rtnl_newlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:366 net/core/rtnetlink.c:4214)
[  580.979856][ T9947]  ? ww_mutex_lock (kernel/locking/mutex.c:934)
[  580.979857][ T9947]  ? nla_get_range_signed (lib/nlattr.c:270)
[  580.979863][ T9947]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  580.979865][ T9947]  ? __rtnl_newlink (net/core/rtnetlink.c:4063)
[  580.979870][ T9947]  rtnl_newlink (net/core/rtnetlink.c:4215)
[  580.979876][ T9947]  ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558)
[  580.979878][ T9947]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[  580.979882][ T9947]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2))
[  580.979884][ T9947]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[  580.979886][ T9947]  ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558)
[  580.979888][ T9947]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554)
[  580.979892][ T9947]  ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558)
[  580.979894][ T9947]  rtnetlink_rcv_msg (net/core/rtnetlink.c:7132)
[  580.979897][ T9947]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[  580.979899][ T9947]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[  580.979903][ T9947]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2))
[  580.979905][ T9947]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[  580.979909][ T9947]  netlink_rcv_skb (net/netlink/af_netlink.c:2556)
[  580.979912][ T9947]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[  580.979915][ T9947]  ? netlink_ack (./include/linux/skbuff.h:2718)
[  580.979922][ T9947]  ? 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))
[  580.979924][ T9947]  ? 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))
[  580.979929][ T9947]  netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[  580.979933][ T9947]  ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[  580.979935][ T9947]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[  580.979940][ T9947]  netlink_sendmsg (net/netlink/af_netlink.c:1900)
[  580.979944][ T9947]  ? netlink_unicast (./include/net/net_namespace.h:422 (discriminator 7))
[  580.979948][ T9947]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554)
[  580.979949][ T9947]  ? __import_iovec (lib/iov_iter.c:1358 lib/iov_iter.c:1373)
[  580.979955][ T9947]  __sock_sendmsg (net/socket.c:800 (discriminator 4) net/socket.c:815 (discriminator 4))
[  580.979958][ T9947]  ____sys_sendmsg (net/socket.c:2713)
[  580.979960][ T9947]  ? copy_msghdr_from_user (net/socket.c:2650)
[  580.979963][ T9947]  ? sock_write_iter (net/socket.c:1269)
[  580.979964][ T9947]  ? move_addr_to_kernel (net/socket.c:258)
[  580.979972][ T9947]  ___sys_sendmsg (net/socket.c:2767)
[  580.979975][ T9947]  ? copy_msghdr_from_user (net/socket.c:2619)
[  580.979991][ T9947]  __sys_sendmsg (net/socket.c:2799)
[  580.979994][ T9947]  ? __sys_sendmsg_sock (net/socket.c:2780)
[  580.980001][ T9947]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  580.980004][ T9947]  do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84)
[  580.980007][ T9947]  ? exc_page_fault (arch/x86/mm/fault.c:1489 (discriminator 3) arch/x86/mm/fault.c:1536 (discriminator 3))
[  580.980010][ T9947]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[  580.980012][ T9947] RIP: 0033:0x7fc8facaa54e
[  580.980016][ T9947] 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
[  580.980018][ T9947] RSP: 002b:00007ffd20d51e50 EFLAGS: 00000202 ORIG_RAX: 000000000000002e
[  580.980021][ T9947] RAX: ffffffffffffffda RBX: 0000000000000005 RCX: 00007fc8facaa54e
[  580.980022][ T9947] RDX: 0000000000000000 RSI: 00007ffd20d51f00 RDI: 0000000000000005
[  580.980023][ T9947] RBP: 00007ffd20d51e60 R08: 0000000000000000 R09: 0000000000000000
[  580.980024][ T9947] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a91a6dc
[  580.980025][ T9947] R13: 00000000004a1620 R14: 0000000000000000 R15: 00007ffd20d525d0
| [  589.854487][T10090] softirqs last disabled at (25522): netif_change_name (./include/linux/spinlock.h:353 ./include/linux/seqlock.h:908 net/core/dev.c:1499)
| [  589.854490][T10090] Preemption disabled at:
| [  589.854491][T10090] vprintk_emit (kernel/printk/printk.c:2471)
| [  589.854499][T10090] Tainted: [W]=WARN
[  589.854500][T10090] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[  589.854502][T10090] Call Trace:
[  589.854503][T10090]  <TASK>
[  589.854505][T10090]  dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120)
[  589.854511][T10090]  ? vprintk_emit (kernel/printk/printk.c:2471)
[  589.854513][T10090]  __might_resched.cold (kernel/sched/core.c:9234)
[  589.854518][T10090]  ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3))
[  589.854522][T10090]  ? __kmalloc_noprof (./include/linux/sched/mm.h:317 mm/slub.c:4636 mm/slub.c:4974 mm/slub.c:5413 mm/slub.c:5439)
[  589.854527][T10090]  __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))
[  589.854529][T10090]  ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[  589.854536][T10090]  ? 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)
[  589.854538][T10090]  alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[  589.854544][T10090]  put_chars (drivers/char/virtio_console.c:1176)
[  589.854548][T10090]  ? __send_to_port (drivers/char/virtio_console.c:654)
[  589.854555][T10090]  hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2))
[  589.854563][T10090]  ? hvc_write (drivers/tty/hvc/hvc_console.c:501)
[  589.854567][T10090]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  589.854571][T10090]  console_emit_next_record (kernel/printk/printk.c:3183)
[  589.854576][T10090]  ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20)
[  589.854578][T10090]  ? 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))
[  589.854581][T10090]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  589.854584][T10090]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  589.854588][T10090]  console_flush_one_record (kernel/printk/printk.c:3268)
[  589.854592][T10090]  ? console_emit_next_record (kernel/printk/printk.c:3150)
[  589.854594][T10090]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[  589.854600][T10090]  console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420)
[  589.854603][T10090]  ? console_flush_one_record (kernel/printk/printk.c:3316)
[  589.854605][T10090]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  589.854606][T10090]  ? 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)
[  589.854610][T10090]  ? __down_trylock_console_sem (kernel/printk/printk.c:334)
[  589.854612][T10090]  ? vprintk_emit (kernel/printk/printk.c:2478)
[  589.854615][T10090]  vprintk_emit (kernel/printk/printk.c:2479)
[  589.854618][T10090]  ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126))
[  589.854621][T10090]  ? _mutex_trylock_nest_lock (kernel/locking/mutex.c:1227 (discriminator 6))
[  589.854626][T10090]  _printk (kernel/printk/printk.c:2504)
[  589.854630][T10090]  ? snapshot_read.cold (user.c:?)
[  589.854632][T10090]  ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4116 (discriminator 3) kernel/rcu/tree.c:4108 (discriminator 3))
[  589.854634][T10090]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380)
[  589.854637][T10090]  ? validate_chain (kernel/locking/lockdep.c:3817 (discriminator 2) kernel/locking/lockdep.c:3837 (discriminator 2) kernel/locking/lockdep.c:3892 (discriminator 2))
[  589.854639][T10090]  ? netdev_name (./include/linux/netdevice.h:5709 (discriminator 1))
[  589.854643][T10090]  ? __netdev_printk (net/core/dev.c:13148 (discriminator 2))
[  589.854646][T10090]  ? do_setlink.isra.0 (net/core/rtnetlink.c:3246)
[  589.854648][T10090]  netdev_info (net/core/dev.c:13195 (discriminator 3))
[  589.854651][T10090]  ? netdev_notice (net/core/dev.c:13194)
[  589.854654][T10090]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[  589.854657][T10090]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554)
[  589.854660][T10090]  ? mark_held_locks (kernel/locking/lockdep.c:4341)
[  589.854664][T10090]  ? do_setlink.isra.0 (net/core/rtnetlink.c:3246)
[  589.854666][T10090]  netif_change_name.cold (net/core/dev.c:1507 (discriminator 3))
[  589.854668][T10090]  ? register_netdev (net/core/dev.c:11618)
[  589.854670][T10090]  ? 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))
[  589.854675][T10090]  ? netdev_adjacent_rename_links (net/core/dev.c:9598)
[  589.854678][T10090]  ? __kernel_text_address (kernel/extable.c:79)
[  589.854680][T10090]  ? write_profile (profile.c:?)
[  589.854685][T10090]  ? __asan_memset (mm/kasan/shadow.c:84 (discriminator 1))
[  589.854691][T10090]  do_setlink.isra.0 (net/core/rtnetlink.c:3246)
[  589.854694][T10090]  ? stack_trace_save (kernel/stacktrace.c:122 (discriminator 1))
[  589.854696][T10090]  ? rtnl_link_get_size (net/core/rtnetlink.c:747)
[  589.854698][T10090]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:388 kernel/rcu/update.c:380)
[  589.854700][T10090]  ? stack_depot_save_flags (lib/stackdepot.c:609 (discriminator 2) lib/stackdepot.c:676 (discriminator 2))
[  589.854703][T10090]  ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4116 (discriminator 3) kernel/rcu/tree.c:4108 (discriminator 3))
[  589.854705][T10090]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380)
[  589.854707][T10090]  ? validate_chain (kernel/locking/lockdep.c:3817 (discriminator 2) kernel/locking/lockdep.c:3837 (discriminator 2) kernel/locking/lockdep.c:3892 (discriminator 2))
[  589.854709][T10090]  ? kasan_save_stack (mm/kasan/common.c:58)
[  589.854711][T10090]  ? kasan_save_stack (mm/kasan/common.c:57)
[  589.854712][T10090]  ? kasan_save_track (mm/kasan/common.c:78)
[  589.854714][T10090]  ? __kasan_kmalloc (mm/kasan/common.c:398 mm/kasan/common.c:415)
[  589.854716][T10090]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[  589.854718][T10090]  ? snd_ac97_proc_read_main (sound/pci/ac97/ac97_proc.c:320)
[  589.854721][T10090]  ? ___sys_sendmsg (net/socket.c:2758)
[  589.854725][T10090]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2))
[  589.854727][T10090]  ? rtnl_newlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:366 net/core/rtnetlink.c:4214)
[  589.854730][T10090]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  589.854731][T10090]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  589.854733][T10090]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  589.854734][T10090]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  589.854736][T10090]  ? trace_contention_end (./include/trace/events/lock.h:121 (discriminator 22))
[  589.854738][T10090]  ? __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)
[  589.854740][T10090]  ? __mutex_lock (kernel/locking/mutex.c:656 (discriminator 1) kernel/locking/mutex.c:821 (discriminator 1))
[  589.854742][T10090]  ? rtnl_newlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:366 net/core/rtnetlink.c:4214)
[  589.854745][T10090]  ? ww_mutex_lock (kernel/locking/mutex.c:934)
[  589.854746][T10090]  ? nla_get_range_signed (lib/nlattr.c:270)
[  589.854751][T10090]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  589.854754][T10090]  ? __rtnl_newlink (net/core/rtnetlink.c:4063)
[  589.854759][T10090]  rtnl_newlink (net/core/rtnetlink.c:4215)
[  589.854765][T10090]  ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558)
[  589.854767][T10090]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[  589.854771][T10090]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2))
[  589.854773][T10090]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[  589.854775][T10090]  ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558)
[  589.854777][T10090]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554)
[  589.854781][T10090]  ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558)
[  589.854783][T10090]  rtnetlink_rcv_msg (net/core/rtnetlink.c:7132)
[  589.854790][T10090]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[  589.854791][T10090]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[  589.854802][T10090]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2))
[  589.854804][T10090]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[  589.854808][T10090]  netlink_rcv_skb (net/netlink/af_netlink.c:2556)
[  589.854811][T10090]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[  589.854814][T10090]  ? netlink_ack (./include/linux/skbuff.h:2718)
[  589.854821][T10090]  ? 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))
[  589.854823][T10090]  ? 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))
[  589.854828][T10090]  netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[  589.854832][T10090]  ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[  589.854835][T10090]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[  589.854839][T10090]  netlink_sendmsg (net/netlink/af_netlink.c:1900)
[  589.854843][T10090]  ? netlink_unicast (./include/net/net_namespace.h:422 (discriminator 7))
[  589.854847][T10090]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554)
[  589.854849][T10090]  ? __import_iovec (lib/iov_iter.c:1358 lib/iov_iter.c:1373)
[  589.854854][T10090]  __sock_sendmsg (net/socket.c:800 (discriminator 4) net/socket.c:815 (discriminator 4))
[  589.854857][T10090]  ____sys_sendmsg (net/socket.c:2713)
[  589.854860][T10090]  ? copy_msghdr_from_user (net/socket.c:2650)
[  589.854862][T10090]  ? sock_write_iter (net/socket.c:1269)
[  589.854864][T10090]  ? move_addr_to_kernel (net/socket.c:258)
[  589.854871][T10090]  ___sys_sendmsg (net/socket.c:2767)
[  589.854874][T10090]  ? copy_msghdr_from_user (net/socket.c:2619)
[  589.854891][T10090]  __sys_sendmsg (net/socket.c:2799)
[  589.854894][T10090]  ? __sys_sendmsg_sock (net/socket.c:2780)
[  589.854900][T10090]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  589.854904][T10090]  do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84)
[  589.854907][T10090]  ? exc_page_fault (arch/x86/mm/fault.c:1489 (discriminator 3) arch/x86/mm/fault.c:1536 (discriminator 3))
[  589.854909][T10090]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[  589.854912][T10090] RIP: 0033:0x7ff452b2454e
[  589.854916][T10090] 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
[  589.854918][T10090] RSP: 002b:00007fffcf054340 EFLAGS: 00000202 ORIG_RAX: 000000000000002e
[  589.854920][T10090] RAX: ffffffffffffffda RBX: 0000000000000005 RCX: 00007ff452b2454e
[  589.854922][T10090] RDX: 0000000000000000 RSI: 00007fffcf0543f0 RDI: 0000000000000005
[  589.854923][T10090] RBP: 00007fffcf054350 R08: 0000000000000000 R09: 0000000000000000
[  589.854923][T10090] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a91a6e5
[  589.854924][T10090] R13: 00000000004a1620 R14: 0000000000000000 R15: 00007fffcf054ac0
| [  598.795513][T10233] softirqs last disabled at (21608): netif_change_name (./include/linux/spinlock.h:353 ./include/linux/seqlock.h:908 net/core/dev.c:1499)
| [  598.795516][T10233] Preemption disabled at:
| [  598.795517][T10233] vprintk_emit (kernel/printk/printk.c:2471)
| [  598.795526][T10233] Tainted: [W]=WARN
[  598.795526][T10233] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[  598.795528][T10233] Call Trace:
[  598.795530][T10233]  <TASK>
[  598.795531][T10233]  dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120)
[  598.795538][T10233]  ? vprintk_emit (kernel/printk/printk.c:2471)
[  598.795540][T10233]  __might_resched.cold (kernel/sched/core.c:9234)
[  598.795546][T10233]  ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3))
[  598.795551][T10233]  ? __kmalloc_noprof (./include/linux/sched/mm.h:317 mm/slub.c:4636 mm/slub.c:4974 mm/slub.c:5413 mm/slub.c:5439)
[  598.795556][T10233]  __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))
[  598.795558][T10233]  ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[  598.795565][T10233]  ? 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)
[  598.795568][T10233]  alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[  598.795572][T10233]  put_chars (drivers/char/virtio_console.c:1176)
[  598.795574][T10233]  ? __send_to_port (drivers/char/virtio_console.c:654)
[  598.795581][T10233]  hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2))
[  598.795589][T10233]  ? hvc_write (drivers/tty/hvc/hvc_console.c:501)
[  598.795592][T10233]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  598.795597][T10233]  console_emit_next_record (kernel/printk/printk.c:3183)
[  598.795601][T10233]  ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20)
[  598.795603][T10233]  ? 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))
[  598.795606][T10233]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  598.795609][T10233]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  598.795613][T10233]  console_flush_one_record (kernel/printk/printk.c:3268)
[  598.795618][T10233]  ? console_emit_next_record (kernel/printk/printk.c:3150)
[  598.795620][T10233]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[  598.795625][T10233]  console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420)
[  598.795628][T10233]  ? console_flush_one_record (kernel/printk/printk.c:3316)
[  598.795630][T10233]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  598.795632][T10233]  ? 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)
[  598.795636][T10233]  ? __down_trylock_console_sem (kernel/printk/printk.c:334)
[  598.795638][T10233]  ? vprintk_emit (kernel/printk/printk.c:2478)
[  598.795641][T10233]  vprintk_emit (kernel/printk/printk.c:2479)
[  598.795644][T10233]  ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126))
[  598.795647][T10233]  ? _mutex_trylock_nest_lock (kernel/locking/mutex.c:1227 (discriminator 6))
[  598.795652][T10233]  _printk (kernel/printk/printk.c:2504)
[  598.795656][T10233]  ? snapshot_read.cold (user.c:?)
[  598.795658][T10233]  ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4116 (discriminator 3) kernel/rcu/tree.c:4108 (discriminator 3))
[  598.795661][T10233]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380)
[  598.795664][T10233]  ? validate_chain (kernel/locking/lockdep.c:3817 (discriminator 2) kernel/locking/lockdep.c:3837 (discriminator 2) kernel/locking/lockdep.c:3892 (discriminator 2))
[  598.795666][T10233]  ? netdev_name (./include/linux/netdevice.h:5709 (discriminator 1))
[  598.795670][T10233]  ? __netdev_printk (net/core/dev.c:13148 (discriminator 2))
[  598.795673][T10233]  ? do_setlink.isra.0 (net/core/rtnetlink.c:3246)
[  598.795675][T10233]  netdev_info (net/core/dev.c:13195 (discriminator 3))
[  598.795678][T10233]  ? netdev_notice (net/core/dev.c:13194)
[  598.795681][T10233]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[  598.795684][T10233]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554)
[  598.795687][T10233]  ? mark_held_locks (kernel/locking/lockdep.c:4341)
[  598.795691][T10233]  ? do_setlink.isra.0 (net/core/rtnetlink.c:3246)
[  598.795693][T10233]  netif_change_name.cold (net/core/dev.c:1507 (discriminator 3))
[  598.795695][T10233]  ? register_netdev (net/core/dev.c:11618)
[  598.795697][T10233]  ? 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))
[  598.795702][T10233]  ? netdev_adjacent_rename_links (net/core/dev.c:9598)
[  598.795705][T10233]  ? __kernel_text_address (kernel/extable.c:79)
[  598.795708][T10233]  ? write_profile (profile.c:?)
[  598.795712][T10233]  ? __asan_memset (mm/kasan/shadow.c:84 (discriminator 1))
[  598.795718][T10233]  do_setlink.isra.0 (net/core/rtnetlink.c:3246)
[  598.795721][T10233]  ? stack_trace_save (kernel/stacktrace.c:122 (discriminator 1))
[  598.795723][T10233]  ? rtnl_link_get_size (net/core/rtnetlink.c:747)
[  598.795725][T10233]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:388 kernel/rcu/update.c:380)
[  598.795727][T10233]  ? stack_depot_save_flags (lib/stackdepot.c:609 (discriminator 2) lib/stackdepot.c:676 (discriminator 2))
[  598.795730][T10233]  ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4116 (discriminator 3) kernel/rcu/tree.c:4108 (discriminator 3))
[  598.795732][T10233]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380)
[  598.795734][T10233]  ? validate_chain (kernel/locking/lockdep.c:3817 (discriminator 2) kernel/locking/lockdep.c:3837 (discriminator 2) kernel/locking/lockdep.c:3892 (discriminator 2))
[  598.795737][T10233]  ? kasan_save_stack (mm/kasan/common.c:58)
[  598.795739][T10233]  ? kasan_save_stack (mm/kasan/common.c:57)
[  598.795740][T10233]  ? kasan_save_track (mm/kasan/common.c:78)
[  598.795742][T10233]  ? __kasan_kmalloc (mm/kasan/common.c:398 mm/kasan/common.c:415)
[  598.795744][T10233]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[  598.795746][T10233]  ? snd_ac97_proc_read_main (sound/pci/ac97/ac97_proc.c:320)
[  598.795749][T10233]  ? ___sys_sendmsg (net/socket.c:2758)
[  598.795753][T10233]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2))
[  598.795755][T10233]  ? rtnl_newlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:366 net/core/rtnetlink.c:4214)
[  598.795758][T10233]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  598.795760][T10233]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  598.795761][T10233]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  598.795763][T10233]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  598.795764][T10233]  ? trace_contention_end (./include/trace/events/lock.h:121 (discriminator 22))
[  598.795767][T10233]  ? __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)
[  598.795769][T10233]  ? __mutex_lock (kernel/locking/mutex.c:656 (discriminator 1) kernel/locking/mutex.c:821 (discriminator 1))
[  598.795771][T10233]  ? rtnl_newlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:366 net/core/rtnetlink.c:4214)
[  598.795774][T10233]  ? ww_mutex_lock (kernel/locking/mutex.c:934)
[  598.795775][T10233]  ? nla_get_range_signed (lib/nlattr.c:270)
[  598.795781][T10233]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  598.795783][T10233]  ? __rtnl_newlink (net/core/rtnetlink.c:4063)
[  598.795792][T10233]  rtnl_newlink (net/core/rtnetlink.c:4215)
[  598.795797][T10233]  ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558)
[  598.795799][T10233]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[  598.795804][T10233]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2))
[  598.795806][T10233]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[  598.795809][T10233]  ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558)
[  598.795810][T10233]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554)
[  598.795814][T10233]  ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558)
[  598.795817][T10233]  rtnetlink_rcv_msg (net/core/rtnetlink.c:7132)
[  598.795820][T10233]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[  598.795822][T10233]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[  598.795827][T10233]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2))
[  598.795829][T10233]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[  598.795832][T10233]  netlink_rcv_skb (net/netlink/af_netlink.c:2556)
[  598.795835][T10233]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[  598.795839][T10233]  ? netlink_ack (./include/linux/skbuff.h:2718)
[  598.795845][T10233]  ? 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))
[  598.795848][T10233]  ? 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))
[  598.795852][T10233]  netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[  598.795857][T10233]  ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[  598.795860][T10233]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[  598.795871][T10233]  netlink_sendmsg (net/netlink/af_netlink.c:1900)
[  598.795875][T10233]  ? netlink_unicast (./include/net/net_namespace.h:422 (discriminator 7))
[  598.795879][T10233]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554)
[  598.795881][T10233]  ? __import_iovec (lib/iov_iter.c:1358 lib/iov_iter.c:1373)
[  598.795887][T10233]  __sock_sendmsg (net/socket.c:800 (discriminator 4) net/socket.c:815 (discriminator 4))
[  598.795890][T10233]  ____sys_sendmsg (net/socket.c:2713)
[  598.795892][T10233]  ? copy_msghdr_from_user (net/socket.c:2650)
[  598.795895][T10233]  ? sock_write_iter (net/socket.c:1269)
[  598.795896][T10233]  ? move_addr_to_kernel (net/socket.c:258)
[  598.795904][T10233]  ___sys_sendmsg (net/socket.c:2767)
[  598.795907][T10233]  ? copy_msghdr_from_user (net/socket.c:2619)
[  598.795923][T10233]  __sys_sendmsg (net/socket.c:2799)
[  598.795927][T10233]  ? __sys_sendmsg_sock (net/socket.c:2780)
[  598.795933][T10233]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  598.795936][T10233]  do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84)
[  598.795939][T10233]  ? exc_page_fault (arch/x86/mm/fault.c:1489 (discriminator 3) arch/x86/mm/fault.c:1536 (discriminator 3))
[  598.795942][T10233]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[  598.795945][T10233] RIP: 0033:0x7f7236f7f54e
[  598.795949][T10233] 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
[  598.795951][T10233] RSP: 002b:00007ffd99200ba0 EFLAGS: 00000202 ORIG_RAX: 000000000000002e
[  598.795954][T10233] RAX: ffffffffffffffda RBX: 0000000000000005 RCX: 00007f7236f7f54e
[  598.795956][T10233] RDX: 0000000000000000 RSI: 00007ffd99200c50 RDI: 0000000000000005
[  598.795957][T10233] RBP: 00007ffd99200bb0 R08: 0000000000000000 R09: 0000000000000000
[  598.795958][T10233] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a91a6ee
[  598.795959][T10233] R13: 00000000004a1620 R14: 0000000000000000 R15: 00007ffd99201320
| [  607.662474][T10376] softirqs last disabled at (18170): netif_change_name (./include/linux/spinlock.h:353 ./include/linux/seqlock.h:908 net/core/dev.c:1499)
| [  607.662477][T10376] Preemption disabled at:
| [  607.662477][T10376] vprintk_emit (kernel/printk/printk.c:2471)
| [  607.662486][T10376] Tainted: [W]=WARN
[  607.662487][T10376] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[  607.662489][T10376] Call Trace:
[  607.662490][T10376]  <TASK>
[  607.662492][T10376]  dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120)
[  607.662498][T10376]  ? vprintk_emit (kernel/printk/printk.c:2471)
[  607.662500][T10376]  __might_resched.cold (kernel/sched/core.c:9234)
[  607.662505][T10376]  ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3))
[  607.662509][T10376]  ? __kmalloc_noprof (./include/linux/sched/mm.h:317 mm/slub.c:4636 mm/slub.c:4974 mm/slub.c:5413 mm/slub.c:5439)
[  607.662514][T10376]  __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))
[  607.662515][T10376]  ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[  607.662522][T10376]  ? 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)
[  607.662525][T10376]  alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[  607.662529][T10376]  put_chars (drivers/char/virtio_console.c:1176)
[  607.662532][T10376]  ? __send_to_port (drivers/char/virtio_console.c:654)
[  607.662538][T10376]  hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2))
[  607.662550][T10376]  ? hvc_write (drivers/tty/hvc/hvc_console.c:501)
[  607.662554][T10376]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  607.662558][T10376]  console_emit_next_record (kernel/printk/printk.c:3183)
[  607.662563][T10376]  ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20)
[  607.662565][T10376]  ? 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))
[  607.662568][T10376]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  607.662571][T10376]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  607.662575][T10376]  console_flush_one_record (kernel/printk/printk.c:3268)
[  607.662580][T10376]  ? console_emit_next_record (kernel/printk/printk.c:3150)
[  607.662582][T10376]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[  607.662587][T10376]  console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420)
[  607.662590][T10376]  ? console_flush_one_record (kernel/printk/printk.c:3316)
[  607.662592][T10376]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  607.662594][T10376]  ? 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)
[  607.662598][T10376]  ? __down_trylock_console_sem (kernel/printk/printk.c:334)
[  607.662600][T10376]  ? vprintk_emit (kernel/printk/printk.c:2478)
[  607.662603][T10376]  vprintk_emit (kernel/printk/printk.c:2479)
[  607.662606][T10376]  ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126))
[  607.662608][T10376]  ? _mutex_trylock_nest_lock (kernel/locking/mutex.c:1227 (discriminator 6))
[  607.662614][T10376]  _printk (kernel/printk/printk.c:2504)
[  607.662618][T10376]  ? snapshot_read.cold (user.c:?)
[  607.662620][T10376]  ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4116 (discriminator 3) kernel/rcu/tree.c:4108 (discriminator 3))
[  607.662623][T10376]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380)
[  607.662625][T10376]  ? validate_chain (kernel/locking/lockdep.c:3817 (discriminator 2) kernel/locking/lockdep.c:3837 (discriminator 2) kernel/locking/lockdep.c:3892 (discriminator 2))
[  607.662628][T10376]  ? netdev_name (./include/linux/netdevice.h:5709 (discriminator 1))
[  607.662632][T10376]  ? __netdev_printk (net/core/dev.c:13148 (discriminator 2))
[  607.662635][T10376]  ? do_setlink.isra.0 (net/core/rtnetlink.c:3246)
[  607.662637][T10376]  netdev_info (net/core/dev.c:13195 (discriminator 3))
[  607.662640][T10376]  ? netdev_notice (net/core/dev.c:13194)
[  607.662643][T10376]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[  607.662646][T10376]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554)
[  607.662649][T10376]  ? mark_held_locks (kernel/locking/lockdep.c:4341)
[  607.662652][T10376]  ? do_setlink.isra.0 (net/core/rtnetlink.c:3246)
[  607.662655][T10376]  netif_change_name.cold (net/core/dev.c:1507 (discriminator 3))
[  607.662657][T10376]  ? register_netdev (net/core/dev.c:11618)
[  607.662658][T10376]  ? 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))
[  607.662664][T10376]  ? netdev_adjacent_rename_links (net/core/dev.c:9598)
[  607.662666][T10376]  ? __kernel_text_address (kernel/extable.c:79)
[  607.662669][T10376]  ? write_profile (profile.c:?)
[  607.662673][T10376]  ? __asan_memset (mm/kasan/shadow.c:84 (discriminator 1))
[  607.662679][T10376]  do_setlink.isra.0 (net/core/rtnetlink.c:3246)
[  607.662683][T10376]  ? stack_trace_save (kernel/stacktrace.c:122 (discriminator 1))
[  607.662685][T10376]  ? rtnl_link_get_size (net/core/rtnetlink.c:747)
[  607.662686][T10376]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:388 kernel/rcu/update.c:380)
[  607.662688][T10376]  ? stack_depot_save_flags (lib/stackdepot.c:609 (discriminator 2) lib/stackdepot.c:676 (discriminator 2))
[  607.662692][T10376]  ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4116 (discriminator 3) kernel/rcu/tree.c:4108 (discriminator 3))
[  607.662694][T10376]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380)
[  607.662695][T10376]  ? validate_chain (kernel/locking/lockdep.c:3817 (discriminator 2) kernel/locking/lockdep.c:3837 (discriminator 2) kernel/locking/lockdep.c:3892 (discriminator 2))
[  607.662698][T10376]  ? kasan_save_stack (mm/kasan/common.c:58)
[  607.662700][T10376]  ? kasan_save_stack (mm/kasan/common.c:57)
[  607.662701][T10376]  ? kasan_save_track (mm/kasan/common.c:78)
[  607.662702][T10376]  ? __kasan_kmalloc (mm/kasan/common.c:398 mm/kasan/common.c:415)
[  607.662705][T10376]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[  607.662707][T10376]  ? snd_ac97_proc_read_main (sound/pci/ac97/ac97_proc.c:320)
[  607.662710][T10376]  ? ___sys_sendmsg (net/socket.c:2758)
[  607.662714][T10376]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2))
[  607.662716][T10376]  ? rtnl_newlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:366 net/core/rtnetlink.c:4214)
[  607.662718][T10376]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  607.662720][T10376]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  607.662722][T10376]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  607.662723][T10376]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  607.662725][T10376]  ? trace_contention_end (./include/trace/events/lock.h:121 (discriminator 22))
[  607.662727][T10376]  ? __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)
[  607.662729][T10376]  ? __mutex_lock (kernel/locking/mutex.c:656 (discriminator 1) kernel/locking/mutex.c:821 (discriminator 1))
[  607.662731][T10376]  ? rtnl_newlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:366 net/core/rtnetlink.c:4214)
[  607.662734][T10376]  ? ww_mutex_lock (kernel/locking/mutex.c:934)
[  607.662735][T10376]  ? nla_get_range_signed (lib/nlattr.c:270)
[  607.662740][T10376]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  607.662743][T10376]  ? __rtnl_newlink (net/core/rtnetlink.c:4063)
[  607.662748][T10376]  rtnl_newlink (net/core/rtnetlink.c:4215)
[  607.662754][T10376]  ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558)
[  607.662756][T10376]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[  607.662760][T10376]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2))
[  607.662762][T10376]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[  607.662764][T10376]  ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558)
[  607.662766][T10376]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554)
[  607.662770][T10376]  ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558)
[  607.662772][T10376]  rtnetlink_rcv_msg (net/core/rtnetlink.c:7132)
[  607.662775][T10376]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[  607.662777][T10376]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[  607.662781][T10376]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2))
[  607.662786][T10376]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[  607.662790][T10376]  netlink_rcv_skb (net/netlink/af_netlink.c:2556)
[  607.662793][T10376]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[  607.662796][T10376]  ? netlink_ack (./include/linux/skbuff.h:2718)
[  607.662803][T10376]  ? 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))
[  607.662805][T10376]  ? 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))
[  607.662810][T10376]  netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[  607.662814][T10376]  ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[  607.662817][T10376]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[  607.662821][T10376]  netlink_sendmsg (net/netlink/af_netlink.c:1900)
[  607.662825][T10376]  ? netlink_unicast (./include/net/net_namespace.h:422 (discriminator 7))
[  607.662829][T10376]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554)
[  607.662831][T10376]  ? __import_iovec (lib/iov_iter.c:1358 lib/iov_iter.c:1373)
[  607.662836][T10376]  __sock_sendmsg (net/socket.c:800 (discriminator 4) net/socket.c:815 (discriminator 4))
[  607.662839][T10376]  ____sys_sendmsg (net/socket.c:2713)
[  607.662842][T10376]  ? copy_msghdr_from_user (net/socket.c:2650)
[  607.662844][T10376]  ? sock_write_iter (net/socket.c:1269)
[  607.662846][T10376]  ? move_addr_to_kernel (net/socket.c:258)
[  607.662853][T10376]  ___sys_sendmsg (net/socket.c:2767)
[  607.662856][T10376]  ? copy_msghdr_from_user (net/socket.c:2619)
[  607.662873][T10376]  __sys_sendmsg (net/socket.c:2799)
[  607.662876][T10376]  ? __sys_sendmsg_sock (net/socket.c:2780)
[  607.662882][T10376]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  607.662886][T10376]  do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84)
[  607.662889][T10376]  ? exc_page_fault (arch/x86/mm/fault.c:1489 (discriminator 3) arch/x86/mm/fault.c:1536 (discriminator 3))
[  607.662892][T10376]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[  607.662894][T10376] RIP: 0033:0x7f914756f54e
[  607.662898][T10376] 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
[  607.662900][T10376] RSP: 002b:00007fff0958a9f0 EFLAGS: 00000202 ORIG_RAX: 000000000000002e
[  607.662903][T10376] RAX: ffffffffffffffda RBX: 0000000000000005 RCX: 00007f914756f54e
[  607.662904][T10376] RDX: 0000000000000000 RSI: 00007fff0958aaa0 RDI: 0000000000000005
[  607.662905][T10376] RBP: 00007fff0958aa00 R08: 0000000000000000 R09: 0000000000000000
[  607.662906][T10376] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a91a6f7
[  607.662907][T10376] R13: 00000000004a1620 R14: 0000000000000000 R15: 00007fff0958b170
| [  616.493415][T10519] softirqs last disabled at (17484): netif_change_name (./include/linux/spinlock.h:353 ./include/linux/seqlock.h:908 net/core/dev.c:1499)
| [  616.493418][T10519] Preemption disabled at:
| [  616.493419][T10519] vprintk_emit (kernel/printk/printk.c:2471)
| [  616.493428][T10519] Tainted: [W]=WARN
[  616.493429][T10519] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[  616.493430][T10519] Call Trace:
[  616.493432][T10519]  <TASK>
[  616.493434][T10519]  dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120)
[  616.493440][T10519]  ? vprintk_emit (kernel/printk/printk.c:2471)
[  616.493442][T10519]  __might_resched.cold (kernel/sched/core.c:9234)
[  616.493446][T10519]  ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3))
[  616.493451][T10519]  ? __kmalloc_noprof (./include/linux/sched/mm.h:317 mm/slub.c:4636 mm/slub.c:4974 mm/slub.c:5413 mm/slub.c:5439)
[  616.493456][T10519]  __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))
[  616.493458][T10519]  ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[  616.493465][T10519]  ? 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)
[  616.493468][T10519]  alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[  616.493472][T10519]  put_chars (drivers/char/virtio_console.c:1176)
[  616.493474][T10519]  ? __send_to_port (drivers/char/virtio_console.c:654)
[  616.493481][T10519]  hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2))
[  616.493489][T10519]  ? hvc_write (drivers/tty/hvc/hvc_console.c:501)
[  616.493492][T10519]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  616.493497][T10519]  console_emit_next_record (kernel/printk/printk.c:3183)
[  616.493501][T10519]  ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20)
[  616.493503][T10519]  ? 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))
[  616.493507][T10519]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  616.493510][T10519]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  616.493514][T10519]  console_flush_one_record (kernel/printk/printk.c:3268)
[  616.493518][T10519]  ? console_emit_next_record (kernel/printk/printk.c:3150)
[  616.493520][T10519]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[  616.493526][T10519]  console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420)
[  616.493529][T10519]  ? console_flush_one_record (kernel/printk/printk.c:3316)
[  616.493531][T10519]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  616.493533][T10519]  ? 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)
[  616.493537][T10519]  ? __down_trylock_console_sem (kernel/printk/printk.c:334)
[  616.493539][T10519]  ? vprintk_emit (kernel/printk/printk.c:2478)
[  616.493542][T10519]  vprintk_emit (kernel/printk/printk.c:2479)
[  616.493547][T10519]  ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126))
[  616.493552][T10519]  ? _mutex_trylock_nest_lock (kernel/locking/mutex.c:1227 (discriminator 6))
[  616.493557][T10519]  _printk (kernel/printk/printk.c:2504)
[  616.493561][T10519]  ? snapshot_read.cold (user.c:?)
[  616.493563][T10519]  ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4116 (discriminator 3) kernel/rcu/tree.c:4108 (discriminator 3))
[  616.493566][T10519]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380)
[  616.493569][T10519]  ? validate_chain (kernel/locking/lockdep.c:3817 (discriminator 2) kernel/locking/lockdep.c:3837 (discriminator 2) kernel/locking/lockdep.c:3892 (discriminator 2))
[  616.493571][T10519]  ? netdev_name (./include/linux/netdevice.h:5709 (discriminator 1))
[  616.493575][T10519]  ? __netdev_printk (net/core/dev.c:13148 (discriminator 2))
[  616.493578][T10519]  ? do_setlink.isra.0 (net/core/rtnetlink.c:3246)
[  616.493580][T10519]  netdev_info (net/core/dev.c:13195 (discriminator 3))
[  616.493584][T10519]  ? netdev_notice (net/core/dev.c:13194)
[  616.493587][T10519]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[  616.493590][T10519]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554)
[  616.493592][T10519]  ? mark_held_locks (kernel/locking/lockdep.c:4341)
[  616.493596][T10519]  ? do_setlink.isra.0 (net/core/rtnetlink.c:3246)
[  616.493598][T10519]  netif_change_name.cold (net/core/dev.c:1507 (discriminator 3))
[  616.493601][T10519]  ? register_netdev (net/core/dev.c:11618)
[  616.493602][T10519]  ? 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))
[  616.493608][T10519]  ? netdev_adjacent_rename_links (net/core/dev.c:9598)
[  616.493611][T10519]  ? __kernel_text_address (kernel/extable.c:79)
[  616.493613][T10519]  ? write_profile (profile.c:?)
[  616.493618][T10519]  ? __asan_memset (mm/kasan/shadow.c:84 (discriminator 1))
[  616.493624][T10519]  do_setlink.isra.0 (net/core/rtnetlink.c:3246)
[  616.493627][T10519]  ? stack_trace_save (kernel/stacktrace.c:122 (discriminator 1))
[  616.493630][T10519]  ? rtnl_link_get_size (net/core/rtnetlink.c:747)
[  616.493631][T10519]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:388 kernel/rcu/update.c:380)
[  616.493633][T10519]  ? stack_depot_save_flags (lib/stackdepot.c:609 (discriminator 2) lib/stackdepot.c:676 (discriminator 2))
[  616.493637][T10519]  ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4116 (discriminator 3) kernel/rcu/tree.c:4108 (discriminator 3))
[  616.493639][T10519]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380)
[  616.493641][T10519]  ? validate_chain (kernel/locking/lockdep.c:3817 (discriminator 2) kernel/locking/lockdep.c:3837 (discriminator 2) kernel/locking/lockdep.c:3892 (discriminator 2))
[  616.493643][T10519]  ? kasan_save_stack (mm/kasan/common.c:58)
[  616.493645][T10519]  ? kasan_save_stack (mm/kasan/common.c:57)
[  616.493647][T10519]  ? kasan_save_track (mm/kasan/common.c:78)
[  616.493648][T10519]  ? __kasan_kmalloc (mm/kasan/common.c:398 mm/kasan/common.c:415)
[  616.493650][T10519]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[  616.493652][T10519]  ? snd_ac97_proc_read_main (sound/pci/ac97/ac97_proc.c:320)
[  616.493656][T10519]  ? ___sys_sendmsg (net/socket.c:2758)
[  616.493660][T10519]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2))
[  616.493662][T10519]  ? rtnl_newlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:366 net/core/rtnetlink.c:4214)
[  616.493664][T10519]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  616.493666][T10519]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  616.493668][T10519]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  616.493669][T10519]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  616.493671][T10519]  ? trace_contention_end (./include/trace/events/lock.h:121 (discriminator 22))
[  616.493673][T10519]  ? __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)
[  616.493675][T10519]  ? __mutex_lock (kernel/locking/mutex.c:656 (discriminator 1) kernel/locking/mutex.c:821 (discriminator 1))
[  616.493677][T10519]  ? rtnl_newlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:366 net/core/rtnetlink.c:4214)
[  616.493680][T10519]  ? ww_mutex_lock (kernel/locking/mutex.c:934)
[  616.493682][T10519]  ? nla_get_range_signed (lib/nlattr.c:270)
[  616.493687][T10519]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  616.493689][T10519]  ? __rtnl_newlink (net/core/rtnetlink.c:4063)
[  616.493695][T10519]  rtnl_newlink (net/core/rtnetlink.c:4215)
[  616.493700][T10519]  ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558)
[  616.493702][T10519]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[  616.493707][T10519]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2))
[  616.493709][T10519]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[  616.493711][T10519]  ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558)
[  616.493713][T10519]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554)
[  616.493717][T10519]  ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558)
[  616.493719][T10519]  rtnetlink_rcv_msg (net/core/rtnetlink.c:7132)
[  616.493722][T10519]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[  616.493724][T10519]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[  616.493728][T10519]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2))
[  616.493730][T10519]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[  616.493734][T10519]  netlink_rcv_skb (net/netlink/af_netlink.c:2556)
[  616.493738][T10519]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[  616.493741][T10519]  ? netlink_ack (./include/linux/skbuff.h:2718)
[  616.493747][T10519]  ? 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))
[  616.493750][T10519]  ? 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))
[  616.493754][T10519]  netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[  616.493758][T10519]  ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[  616.493761][T10519]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[  616.493765][T10519]  netlink_sendmsg (net/netlink/af_netlink.c:1900)
[  616.493770][T10519]  ? netlink_unicast (./include/net/net_namespace.h:422 (discriminator 7))
[  616.493774][T10519]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554)
[  616.493775][T10519]  ? __import_iovec (lib/iov_iter.c:1358 lib/iov_iter.c:1373)
[  616.493781][T10519]  __sock_sendmsg (net/socket.c:800 (discriminator 4) net/socket.c:815 (discriminator 4))
[  616.493788][T10519]  ____sys_sendmsg (net/socket.c:2713)
[  616.493790][T10519]  ? copy_msghdr_from_user (net/socket.c:2650)
[  616.493793][T10519]  ? sock_write_iter (net/socket.c:1269)
[  616.493794][T10519]  ? move_addr_to_kernel (net/socket.c:258)
[  616.493802][T10519]  ___sys_sendmsg (net/socket.c:2767)
[  616.493805][T10519]  ? copy_msghdr_from_user (net/socket.c:2619)
[  616.493822][T10519]  __sys_sendmsg (net/socket.c:2799)
[  616.493825][T10519]  ? __sys_sendmsg_sock (net/socket.c:2780)
[  616.493831][T10519]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  616.493835][T10519]  do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84)
[  616.493838][T10519]  ? exc_page_fault (arch/x86/mm/fault.c:1489 (discriminator 3) arch/x86/mm/fault.c:1536 (discriminator 3))
[  616.493841][T10519]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[  616.493843][T10519] RIP: 0033:0x7f0712e5954e
[  616.493847][T10519] 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
[  616.493849][T10519] RSP: 002b:00007fffb76dc530 EFLAGS: 00000202 ORIG_RAX: 000000000000002e
[  616.493852][T10519] RAX: ffffffffffffffda RBX: 0000000000000005 RCX: 00007f0712e5954e
[  616.493854][T10519] RDX: 0000000000000000 RSI: 00007fffb76dc5e0 RDI: 0000000000000005
[  616.493855][T10519] RBP: 00007fffb76dc540 R08: 0000000000000000 R09: 0000000000000000
[  616.493856][T10519] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a91a6ff
[  616.493857][T10519] R13: 00000000004a1620 R14: 0000000000000000 R15: 00007fffb76dccb0
| [  625.334507][T10662] softirqs last disabled at (24244): netif_change_name (./include/linux/spinlock.h:353 ./include/linux/seqlock.h:908 net/core/dev.c:1499)
| [  625.334510][T10662] Preemption disabled at:
| [  625.334510][T10662] vprintk_emit (kernel/printk/printk.c:2471)
| [  625.334519][T10662] Tainted: [W]=WARN
[  625.334520][T10662] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[  625.334522][T10662] Call Trace:
[  625.334523][T10662]  <TASK>
[  625.334525][T10662]  dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120)
[  625.334531][T10662]  ? vprintk_emit (kernel/printk/printk.c:2471)
[  625.334533][T10662]  __might_resched.cold (kernel/sched/core.c:9234)
[  625.334538][T10662]  ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3))
[  625.334543][T10662]  ? __kmalloc_noprof (./include/linux/sched/mm.h:317 mm/slub.c:4636 mm/slub.c:4974 mm/slub.c:5413 mm/slub.c:5439)
[  625.334549][T10662]  __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))
[  625.334552][T10662]  ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[  625.334559][T10662]  ? 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)
[  625.334561][T10662]  alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[  625.334565][T10662]  put_chars (drivers/char/virtio_console.c:1176)
[  625.334568][T10662]  ? __send_to_port (drivers/char/virtio_console.c:654)
[  625.334574][T10662]  hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2))
[  625.334582][T10662]  ? hvc_write (drivers/tty/hvc/hvc_console.c:501)
[  625.334585][T10662]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  625.334590][T10662]  console_emit_next_record (kernel/printk/printk.c:3183)
[  625.334594][T10662]  ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20)
[  625.334596][T10662]  ? 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))
[  625.334599][T10662]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  625.334602][T10662]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  625.334606][T10662]  console_flush_one_record (kernel/printk/printk.c:3268)
[  625.334611][T10662]  ? console_emit_next_record (kernel/printk/printk.c:3150)
[  625.334613][T10662]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[  625.334618][T10662]  console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420)
[  625.334621][T10662]  ? console_flush_one_record (kernel/printk/printk.c:3316)
[  625.334623][T10662]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  625.334625][T10662]  ? 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)
[  625.334628][T10662]  ? __down_trylock_console_sem (kernel/printk/printk.c:334)
[  625.334630][T10662]  ? vprintk_emit (kernel/printk/printk.c:2478)
[  625.334633][T10662]  vprintk_emit (kernel/printk/printk.c:2479)
[  625.334636][T10662]  ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126))
[  625.334639][T10662]  ? _mutex_trylock_nest_lock (kernel/locking/mutex.c:1227 (discriminator 6))
[  625.334645][T10662]  _printk (kernel/printk/printk.c:2504)
[  625.334648][T10662]  ? snapshot_read.cold (user.c:?)
[  625.334650][T10662]  ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4116 (discriminator 3) kernel/rcu/tree.c:4108 (discriminator 3))
[  625.334653][T10662]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380)
[  625.334656][T10662]  ? validate_chain (kernel/locking/lockdep.c:3817 (discriminator 2) kernel/locking/lockdep.c:3837 (discriminator 2) kernel/locking/lockdep.c:3892 (discriminator 2))
[  625.334658][T10662]  ? netdev_name (./include/linux/netdevice.h:5709 (discriminator 1))
[  625.334662][T10662]  ? __netdev_printk (net/core/dev.c:13148 (discriminator 2))
[  625.334665][T10662]  ? do_setlink.isra.0 (net/core/rtnetlink.c:3246)
[  625.334667][T10662]  netdev_info (net/core/dev.c:13195 (discriminator 3))
[  625.334670][T10662]  ? netdev_notice (net/core/dev.c:13194)
[  625.334673][T10662]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[  625.334676][T10662]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554)
[  625.334679][T10662]  ? mark_held_locks (kernel/locking/lockdep.c:4341)
[  625.334682][T10662]  ? do_setlink.isra.0 (net/core/rtnetlink.c:3246)
[  625.334684][T10662]  netif_change_name.cold (net/core/dev.c:1507 (discriminator 3))
[  625.334686][T10662]  ? register_netdev (net/core/dev.c:11618)
[  625.334688][T10662]  ? 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))
[  625.334693][T10662]  ? netdev_adjacent_rename_links (net/core/dev.c:9598)
[  625.334696][T10662]  ? __kernel_text_address (kernel/extable.c:79)
[  625.334698][T10662]  ? write_profile (profile.c:?)
[  625.334703][T10662]  ? __asan_memset (mm/kasan/shadow.c:84 (discriminator 1))
[  625.334708][T10662]  do_setlink.isra.0 (net/core/rtnetlink.c:3246)
[  625.334712][T10662]  ? stack_trace_save (kernel/stacktrace.c:122 (discriminator 1))
[  625.334714][T10662]  ? rtnl_link_get_size (net/core/rtnetlink.c:747)
[  625.334715][T10662]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:388 kernel/rcu/update.c:380)
[  625.334717][T10662]  ? stack_depot_save_flags (lib/stackdepot.c:609 (discriminator 2) lib/stackdepot.c:676 (discriminator 2))
[  625.334721][T10662]  ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4116 (discriminator 3) kernel/rcu/tree.c:4108 (discriminator 3))
[  625.334723][T10662]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380)
[  625.334725][T10662]  ? validate_chain (kernel/locking/lockdep.c:3817 (discriminator 2) kernel/locking/lockdep.c:3837 (discriminator 2) kernel/locking/lockdep.c:3892 (discriminator 2))
[  625.334728][T10662]  ? kasan_save_stack (mm/kasan/common.c:58)
[  625.334730][T10662]  ? kasan_save_stack (mm/kasan/common.c:57)
[  625.334731][T10662]  ? kasan_save_track (mm/kasan/common.c:78)
[  625.334732][T10662]  ? __kasan_kmalloc (mm/kasan/common.c:398 mm/kasan/common.c:415)
[  625.334734][T10662]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[  625.334737][T10662]  ? snd_ac97_proc_read_main (sound/pci/ac97/ac97_proc.c:320)
[  625.334740][T10662]  ? ___sys_sendmsg (net/socket.c:2758)
[  625.334744][T10662]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2))
[  625.334746][T10662]  ? rtnl_newlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:366 net/core/rtnetlink.c:4214)
[  625.334748][T10662]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  625.334750][T10662]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  625.334752][T10662]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  625.334753][T10662]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  625.334755][T10662]  ? trace_contention_end (./include/trace/events/lock.h:121 (discriminator 22))
[  625.334757][T10662]  ? __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)
[  625.334759][T10662]  ? __mutex_lock (kernel/locking/mutex.c:656 (discriminator 1) kernel/locking/mutex.c:821 (discriminator 1))
[  625.334761][T10662]  ? rtnl_newlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:366 net/core/rtnetlink.c:4214)
[  625.334764][T10662]  ? ww_mutex_lock (kernel/locking/mutex.c:934)
[  625.334765][T10662]  ? nla_get_range_signed (lib/nlattr.c:270)
[  625.334771][T10662]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  625.334773][T10662]  ? __rtnl_newlink (net/core/rtnetlink.c:4063)
[  625.334778][T10662]  rtnl_newlink (net/core/rtnetlink.c:4215)
[  625.334786][T10662]  ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558)
[  625.334789][T10662]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[  625.334793][T10662]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2))
[  625.334795][T10662]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[  625.334797][T10662]  ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558)
[  625.334799][T10662]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554)
[  625.334803][T10662]  ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558)
[  625.334805][T10662]  rtnetlink_rcv_msg (net/core/rtnetlink.c:7132)
[  625.334809][T10662]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[  625.334810][T10662]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[  625.334815][T10662]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2))
[  625.334817][T10662]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[  625.334820][T10662]  netlink_rcv_skb (net/netlink/af_netlink.c:2556)
[  625.334823][T10662]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[  625.334826][T10662]  ? netlink_ack (./include/linux/skbuff.h:2718)
[  625.334833][T10662]  ? 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))
[  625.334835][T10662]  ? 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))
[  625.334840][T10662]  netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[  625.334844][T10662]  ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[  625.334847][T10662]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[  625.334851][T10662]  netlink_sendmsg (net/netlink/af_netlink.c:1900)
[  625.334855][T10662]  ? netlink_unicast (./include/net/net_namespace.h:422 (discriminator 7))
[  625.334859][T10662]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554)
[  625.334861][T10662]  ? __import_iovec (lib/iov_iter.c:1358 lib/iov_iter.c:1373)
[  625.334866][T10662]  __sock_sendmsg (net/socket.c:800 (discriminator 4) net/socket.c:815 (discriminator 4))
[  625.334869][T10662]  ____sys_sendmsg (net/socket.c:2713)
[  625.334871][T10662]  ? copy_msghdr_from_user (net/socket.c:2650)
[  625.334874][T10662]  ? sock_write_iter (net/socket.c:1269)
[  625.334876][T10662]  ? move_addr_to_kernel (net/socket.c:258)
[  625.334883][T10662]  ___sys_sendmsg (net/socket.c:2767)
[  625.334886][T10662]  ? copy_msghdr_from_user (net/socket.c:2619)
[  625.334902][T10662]  __sys_sendmsg (net/socket.c:2799)
[  625.334905][T10662]  ? __sys_sendmsg_sock (net/socket.c:2780)
[  625.334912][T10662]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  625.334915][T10662]  do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84)
[  625.334918][T10662]  ? exc_page_fault (arch/x86/mm/fault.c:1489 (discriminator 3) arch/x86/mm/fault.c:1536 (discriminator 3))
[  625.334921][T10662]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[  625.334923][T10662] RIP: 0033:0x7f9cc841f54e
[  625.334927][T10662] 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
[  625.334929][T10662] RSP: 002b:00007ffd48c8afa0 EFLAGS: 00000202 ORIG_RAX: 000000000000002e
[  625.334932][T10662] RAX: ffffffffffffffda RBX: 0000000000000005 RCX: 00007f9cc841f54e
[  625.334933][T10662] RDX: 0000000000000000 RSI: 00007ffd48c8b050 RDI: 0000000000000005
[  625.334934][T10662] RBP: 00007ffd48c8afb0 R08: 0000000000000000 R09: 0000000000000000
[  625.334935][T10662] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a91a708
[  625.334936][T10662] R13: 00000000004a1620 R14: 0000000000000000 R15: 00007ffd48c8b720
| [  634.167082][T10805] softirqs last disabled at (22070): netif_change_name (./include/linux/spinlock.h:353 ./include/linux/seqlock.h:908 net/core/dev.c:1499)
| [  634.167085][T10805] Preemption disabled at:
| [  634.167085][T10805] vprintk_emit (kernel/printk/printk.c:2471)
| [  634.167095][T10805] Tainted: [W]=WARN
[  634.167095][T10805] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[  634.167097][T10805] Call Trace:
[  634.167099][T10805]  <TASK>
[  634.167101][T10805]  dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120)
[  634.167107][T10805]  ? vprintk_emit (kernel/printk/printk.c:2471)
[  634.167109][T10805]  __might_resched.cold (kernel/sched/core.c:9234)
[  634.167113][T10805]  ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3))
[  634.167118][T10805]  ? __kmalloc_noprof (./include/linux/sched/mm.h:317 mm/slub.c:4636 mm/slub.c:4974 mm/slub.c:5413 mm/slub.c:5439)
[  634.167122][T10805]  __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))
[  634.167131][T10805]  ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[  634.167137][T10805]  ? 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)
[  634.167140][T10805]  alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[  634.167144][T10805]  put_chars (drivers/char/virtio_console.c:1176)
[  634.167147][T10805]  ? __send_to_port (drivers/char/virtio_console.c:654)
[  634.167154][T10805]  hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2))
[  634.167161][T10805]  ? hvc_write (drivers/tty/hvc/hvc_console.c:501)
[  634.167165][T10805]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  634.167170][T10805]  console_emit_next_record (kernel/printk/printk.c:3183)
[  634.167174][T10805]  ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20)
[  634.167176][T10805]  ? 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))
[  634.167179][T10805]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  634.167182][T10805]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  634.167186][T10805]  console_flush_one_record (kernel/printk/printk.c:3268)
[  634.167191][T10805]  ? console_emit_next_record (kernel/printk/printk.c:3150)
[  634.167193][T10805]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[  634.167198][T10805]  console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420)
[  634.167201][T10805]  ? console_flush_one_record (kernel/printk/printk.c:3316)
[  634.167203][T10805]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  634.167205][T10805]  ? 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)
[  634.167209][T10805]  ? __down_trylock_console_sem (kernel/printk/printk.c:334)
[  634.167211][T10805]  ? vprintk_emit (kernel/printk/printk.c:2478)
[  634.167214][T10805]  vprintk_emit (kernel/printk/printk.c:2479)
[  634.167217][T10805]  ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126))
[  634.167220][T10805]  ? _mutex_trylock_nest_lock (kernel/locking/mutex.c:1227 (discriminator 6))
[  634.167225][T10805]  _printk (kernel/printk/printk.c:2504)
[  634.167229][T10805]  ? snapshot_read.cold (user.c:?)
[  634.167230][T10805]  ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4116 (discriminator 3) kernel/rcu/tree.c:4108 (discriminator 3))
[  634.167233][T10805]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380)
[  634.167237][T10805]  ? validate_chain (kernel/locking/lockdep.c:3817 (discriminator 2) kernel/locking/lockdep.c:3837 (discriminator 2) kernel/locking/lockdep.c:3892 (discriminator 2))
[  634.167239][T10805]  ? netdev_name (./include/linux/netdevice.h:5709 (discriminator 1))
[  634.167243][T10805]  ? __netdev_printk (net/core/dev.c:13148 (discriminator 2))
[  634.167246][T10805]  ? do_setlink.isra.0 (net/core/rtnetlink.c:3246)
[  634.167248][T10805]  netdev_info (net/core/dev.c:13195 (discriminator 3))
[  634.167251][T10805]  ? netdev_notice (net/core/dev.c:13194)
[  634.167254][T10805]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[  634.167258][T10805]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554)
[  634.167260][T10805]  ? mark_held_locks (kernel/locking/lockdep.c:4341)
[  634.167264][T10805]  ? do_setlink.isra.0 (net/core/rtnetlink.c:3246)
[  634.167266][T10805]  netif_change_name.cold (net/core/dev.c:1507 (discriminator 3))
[  634.167268][T10805]  ? register_netdev (net/core/dev.c:11618)
[  634.167270][T10805]  ? 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))
[  634.167275][T10805]  ? netdev_adjacent_rename_links (net/core/dev.c:9598)
[  634.167278][T10805]  ? __kernel_text_address (kernel/extable.c:79)
[  634.167281][T10805]  ? write_profile (profile.c:?)
[  634.167285][T10805]  ? __asan_memset (mm/kasan/shadow.c:84 (discriminator 1))
[  634.167291][T10805]  do_setlink.isra.0 (net/core/rtnetlink.c:3246)
[  634.167295][T10805]  ? stack_trace_save (kernel/stacktrace.c:122 (discriminator 1))
[  634.167297][T10805]  ? rtnl_link_get_size (net/core/rtnetlink.c:747)
[  634.167298][T10805]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:388 kernel/rcu/update.c:380)
[  634.167300][T10805]  ? stack_depot_save_flags (lib/stackdepot.c:609 (discriminator 2) lib/stackdepot.c:676 (discriminator 2))
[  634.167304][T10805]  ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4116 (discriminator 3) kernel/rcu/tree.c:4108 (discriminator 3))
[  634.167306][T10805]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380)
[  634.167308][T10805]  ? validate_chain (kernel/locking/lockdep.c:3817 (discriminator 2) kernel/locking/lockdep.c:3837 (discriminator 2) kernel/locking/lockdep.c:3892 (discriminator 2))
[  634.167310][T10805]  ? kasan_save_stack (mm/kasan/common.c:58)
[  634.167312][T10805]  ? kasan_save_stack (mm/kasan/common.c:57)
[  634.167314][T10805]  ? kasan_save_track (mm/kasan/common.c:78)
[  634.167315][T10805]  ? __kasan_kmalloc (mm/kasan/common.c:398 mm/kasan/common.c:415)
[  634.167317][T10805]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[  634.167320][T10805]  ? snd_ac97_proc_read_main (sound/pci/ac97/ac97_proc.c:320)
[  634.167323][T10805]  ? ___sys_sendmsg (net/socket.c:2758)
[  634.167326][T10805]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2))
[  634.167329][T10805]  ? rtnl_newlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:366 net/core/rtnetlink.c:4214)
[  634.167331][T10805]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  634.167333][T10805]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  634.167335][T10805]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  634.167336][T10805]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  634.167338][T10805]  ? trace_contention_end (./include/trace/events/lock.h:121 (discriminator 22))
[  634.167340][T10805]  ? __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)
[  634.167342][T10805]  ? __mutex_lock (kernel/locking/mutex.c:656 (discriminator 1) kernel/locking/mutex.c:821 (discriminator 1))
[  634.167344][T10805]  ? rtnl_newlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:366 net/core/rtnetlink.c:4214)
[  634.167347][T10805]  ? ww_mutex_lock (kernel/locking/mutex.c:934)
[  634.167348][T10805]  ? nla_get_range_signed (lib/nlattr.c:270)
[  634.167354][T10805]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  634.167356][T10805]  ? __rtnl_newlink (net/core/rtnetlink.c:4063)
[  634.167361][T10805]  rtnl_newlink (net/core/rtnetlink.c:4215)
[  634.167367][T10805]  ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558)
[  634.167369][T10805]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[  634.167374][T10805]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2))
[  634.167376][T10805]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[  634.167378][T10805]  ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558)
[  634.167380][T10805]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554)
[  634.167384][T10805]  ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558)
[  634.167386][T10805]  rtnetlink_rcv_msg (net/core/rtnetlink.c:7132)
[  634.167389][T10805]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[  634.167391][T10805]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[  634.167395][T10805]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2))
[  634.167397][T10805]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[  634.167401][T10805]  netlink_rcv_skb (net/netlink/af_netlink.c:2556)
[  634.167404][T10805]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[  634.167407][T10805]  ? netlink_ack (./include/linux/skbuff.h:2718)
[  634.167414][T10805]  ? 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))
[  634.167416][T10805]  ? 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))
[  634.167421][T10805]  netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[  634.167425][T10805]  ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[  634.167428][T10805]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[  634.167432][T10805]  netlink_sendmsg (net/netlink/af_netlink.c:1900)
[  634.167436][T10805]  ? netlink_unicast (./include/net/net_namespace.h:422 (discriminator 7))
[  634.167440][T10805]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554)
[  634.167442][T10805]  ? __import_iovec (lib/iov_iter.c:1358 lib/iov_iter.c:1373)
[  634.167448][T10805]  __sock_sendmsg (net/socket.c:800 (discriminator 4) net/socket.c:815 (discriminator 4))
[  634.167451][T10805]  ____sys_sendmsg (net/socket.c:2713)
[  634.167453][T10805]  ? copy_msghdr_from_user (net/socket.c:2650)
[  634.167455][T10805]  ? sock_write_iter (net/socket.c:1269)
[  634.167457][T10805]  ? move_addr_to_kernel (net/socket.c:258)
[  634.167465][T10805]  ___sys_sendmsg (net/socket.c:2767)
[  634.167468][T10805]  ? copy_msghdr_from_user (net/socket.c:2619)
[  634.167484][T10805]  __sys_sendmsg (net/socket.c:2799)
[  634.167487][T10805]  ? __sys_sendmsg_sock (net/socket.c:2780)
[  634.167494][T10805]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  634.167497][T10805]  do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84)
[  634.167500][T10805]  ? exc_page_fault (arch/x86/mm/fault.c:1489 (discriminator 3) arch/x86/mm/fault.c:1536 (discriminator 3))
[  634.167503][T10805]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[  634.167505][T10805] RIP: 0033:0x7fd4f1ad054e
[  634.167509][T10805] 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
[  634.167511][T10805] RSP: 002b:00007ffff30a4820 EFLAGS: 00000202 ORIG_RAX: 000000000000002e
[  634.167514][T10805] RAX: ffffffffffffffda RBX: 0000000000000005 RCX: 00007fd4f1ad054e
[  634.167516][T10805] RDX: 0000000000000000 RSI: 00007ffff30a48d0 RDI: 0000000000000005
[  634.167517][T10805] RBP: 00007ffff30a4830 R08: 0000000000000000 R09: 0000000000000000
[  634.167517][T10805] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a91a711
[  634.167518][T10805] R13: 00000000004a1620 R14: 0000000000000000 R15: 00007ffff30a4fa0
| [  643.121209][T10949] softirqs last disabled at (29912): netif_change_name (./include/linux/spinlock.h:353 ./include/linux/seqlock.h:908 net/core/dev.c:1499)
| [  643.121212][T10949] Preemption disabled at:
| [  643.121212][T10949] vprintk_emit (kernel/printk/printk.c:2471)
| [  643.121221][T10949] Tainted: [W]=WARN
[  643.121222][T10949] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[  643.121224][T10949] Call Trace:
[  643.121225][T10949]  <TASK>
[  643.121227][T10949]  dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120)
[  643.121233][T10949]  ? vprintk_emit (kernel/printk/printk.c:2471)
[  643.121235][T10949]  __might_resched.cold (kernel/sched/core.c:9234)
[  643.121240][T10949]  ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3))
[  643.121244][T10949]  ? __kmalloc_noprof (./include/linux/sched/mm.h:317 mm/slub.c:4636 mm/slub.c:4974 mm/slub.c:5413 mm/slub.c:5439)
[  643.121248][T10949]  __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))
[  643.121250][T10949]  ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[  643.121257][T10949]  ? 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)
[  643.121260][T10949]  alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[  643.121264][T10949]  put_chars (drivers/char/virtio_console.c:1176)
[  643.121266][T10949]  ? __send_to_port (drivers/char/virtio_console.c:654)
[  643.121272][T10949]  hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2))
[  643.121280][T10949]  ? hvc_write (drivers/tty/hvc/hvc_console.c:501)
[  643.121284][T10949]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  643.121288][T10949]  console_emit_next_record (kernel/printk/printk.c:3183)
[  643.121293][T10949]  ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20)
[  643.121295][T10949]  ? 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))
[  643.121298][T10949]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  643.121301][T10949]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  643.121305][T10949]  console_flush_one_record (kernel/printk/printk.c:3268)
[  643.121309][T10949]  ? console_emit_next_record (kernel/printk/printk.c:3150)
[  643.121311][T10949]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[  643.121317][T10949]  console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420)
[  643.121319][T10949]  ? console_flush_one_record (kernel/printk/printk.c:3316)
[  643.121321][T10949]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  643.121323][T10949]  ? 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)
[  643.121327][T10949]  ? __down_trylock_console_sem (kernel/printk/printk.c:334)
[  643.121329][T10949]  ? vprintk_emit (kernel/printk/printk.c:2478)
[  643.121332][T10949]  vprintk_emit (kernel/printk/printk.c:2479)
[  643.121335][T10949]  ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126))
[  643.121337][T10949]  ? _mutex_trylock_nest_lock (kernel/locking/mutex.c:1227 (discriminator 6))
[  643.121343][T10949]  _printk (kernel/printk/printk.c:2504)
[  643.121347][T10949]  ? snapshot_read.cold (user.c:?)
[  643.121349][T10949]  ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4116 (discriminator 3) kernel/rcu/tree.c:4108 (discriminator 3))
[  643.121351][T10949]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380)
[  643.121354][T10949]  ? validate_chain (kernel/locking/lockdep.c:3817 (discriminator 2) kernel/locking/lockdep.c:3837 (discriminator 2) kernel/locking/lockdep.c:3892 (discriminator 2))
[  643.121356][T10949]  ? netdev_name (./include/linux/netdevice.h:5709 (discriminator 1))
[  643.121360][T10949]  ? __netdev_printk (net/core/dev.c:13148 (discriminator 2))
[  643.121363][T10949]  ? do_setlink.isra.0 (net/core/rtnetlink.c:3246)
[  643.121365][T10949]  netdev_info (net/core/dev.c:13195 (discriminator 3))
[  643.121368][T10949]  ? netdev_notice (net/core/dev.c:13194)
[  643.121371][T10949]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[  643.121375][T10949]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554)
[  643.121377][T10949]  ? mark_held_locks (kernel/locking/lockdep.c:4341)
[  643.121381][T10949]  ? do_setlink.isra.0 (net/core/rtnetlink.c:3246)
[  643.121383][T10949]  netif_change_name.cold (net/core/dev.c:1507 (discriminator 3))
[  643.121385][T10949]  ? register_netdev (net/core/dev.c:11618)
[  643.121387][T10949]  ? 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))
[  643.121392][T10949]  ? netdev_adjacent_rename_links (net/core/dev.c:9598)
[  643.121395][T10949]  ? __kernel_text_address (kernel/extable.c:79)
[  643.121397][T10949]  ? write_profile (profile.c:?)
[  643.121402][T10949]  ? __asan_memset (mm/kasan/shadow.c:84 (discriminator 1))
[  643.121407][T10949]  do_setlink.isra.0 (net/core/rtnetlink.c:3246)
[  643.121411][T10949]  ? stack_trace_save (kernel/stacktrace.c:122 (discriminator 1))
[  643.121413][T10949]  ? rtnl_link_get_size (net/core/rtnetlink.c:747)
[  643.121414][T10949]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:388 kernel/rcu/update.c:380)
[  643.121416][T10949]  ? stack_depot_save_flags (lib/stackdepot.c:609 (discriminator 2) lib/stackdepot.c:676 (discriminator 2))
[  643.121420][T10949]  ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4116 (discriminator 3) kernel/rcu/tree.c:4108 (discriminator 3))
[  643.121422][T10949]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380)
[  643.121423][T10949]  ? validate_chain (kernel/locking/lockdep.c:3817 (discriminator 2) kernel/locking/lockdep.c:3837 (discriminator 2) kernel/locking/lockdep.c:3892 (discriminator 2))
[  643.121426][T10949]  ? kasan_save_stack (mm/kasan/common.c:58)
[  643.121428][T10949]  ? kasan_save_stack (mm/kasan/common.c:57)
[  643.121429][T10949]  ? kasan_save_track (mm/kasan/common.c:78)
[  643.121430][T10949]  ? __kasan_kmalloc (mm/kasan/common.c:398 mm/kasan/common.c:415)
[  643.121433][T10949]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[  643.121435][T10949]  ? snd_ac97_proc_read_main (sound/pci/ac97/ac97_proc.c:320)
[  643.121438][T10949]  ? ___sys_sendmsg (net/socket.c:2758)
[  643.121442][T10949]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2))
[  643.121444][T10949]  ? rtnl_newlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:366 net/core/rtnetlink.c:4214)
[  643.121446][T10949]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  643.121448][T10949]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  643.121450][T10949]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  643.121451][T10949]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  643.121452][T10949]  ? trace_contention_end (./include/trace/events/lock.h:121 (discriminator 22))
[  643.121455][T10949]  ? __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)
[  643.121456][T10949]  ? __mutex_lock (kernel/locking/mutex.c:656 (discriminator 1) kernel/locking/mutex.c:821 (discriminator 1))
[  643.121458][T10949]  ? rtnl_newlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:366 net/core/rtnetlink.c:4214)
[  643.121462][T10949]  ? ww_mutex_lock (kernel/locking/mutex.c:934)
[  643.121463][T10949]  ? nla_get_range_signed (lib/nlattr.c:270)
[  643.121468][T10949]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  643.121471][T10949]  ? __rtnl_newlink (net/core/rtnetlink.c:4063)
[  643.121476][T10949]  rtnl_newlink (net/core/rtnetlink.c:4215)
[  643.121481][T10949]  ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558)
[  643.121483][T10949]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[  643.121488][T10949]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2))
[  643.121490][T10949]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[  643.121492][T10949]  ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558)
[  643.121493][T10949]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554)
[  643.121497][T10949]  ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558)
[  643.121499][T10949]  rtnetlink_rcv_msg (net/core/rtnetlink.c:7132)
[  643.121503][T10949]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[  643.121504][T10949]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[  643.121508][T10949]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2))
[  643.121510][T10949]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[  643.121514][T10949]  netlink_rcv_skb (net/netlink/af_netlink.c:2556)
[  643.121517][T10949]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[  643.121520][T10949]  ? netlink_ack (./include/linux/skbuff.h:2718)
[  643.121527][T10949]  ? 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))
[  643.121529][T10949]  ? 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))
[  643.121534][T10949]  netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[  643.121538][T10949]  ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[  643.121540][T10949]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[  643.121548][T10949]  netlink_sendmsg (net/netlink/af_netlink.c:1900)
[  643.121553][T10949]  ? netlink_unicast (./include/net/net_namespace.h:422 (discriminator 7))
[  643.121557][T10949]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554)
[  643.121558][T10949]  ? __import_iovec (lib/iov_iter.c:1358 lib/iov_iter.c:1373)
[  643.121564][T10949]  __sock_sendmsg (net/socket.c:800 (discriminator 4) net/socket.c:815 (discriminator 4))
[  643.121567][T10949]  ____sys_sendmsg (net/socket.c:2713)
[  643.121569][T10949]  ? copy_msghdr_from_user (net/socket.c:2650)
[  643.121571][T10949]  ? sock_write_iter (net/socket.c:1269)
[  643.121573][T10949]  ? move_addr_to_kernel (net/socket.c:258)
[  643.121581][T10949]  ___sys_sendmsg (net/socket.c:2767)
[  643.121584][T10949]  ? copy_msghdr_from_user (net/socket.c:2619)
[  643.121600][T10949]  __sys_sendmsg (net/socket.c:2799)
[  643.121603][T10949]  ? __sys_sendmsg_sock (net/socket.c:2780)
[  643.121609][T10949]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  643.121612][T10949]  do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84)
[  643.121615][T10949]  ? exc_page_fault (arch/x86/mm/fault.c:1489 (discriminator 3) arch/x86/mm/fault.c:1536 (discriminator 3))
[  643.121618][T10949]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[  643.121620][T10949] RIP: 0033:0x7fd7c4f4a54e
[  643.121624][T10949] 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
[  643.121626][T10949] RSP: 002b:00007ffcf6dd5350 EFLAGS: 00000202 ORIG_RAX: 000000000000002e
[  643.121629][T10949] RAX: ffffffffffffffda RBX: 0000000000000005 RCX: 00007fd7c4f4a54e
[  643.121630][T10949] RDX: 0000000000000000 RSI: 00007ffcf6dd5400 RDI: 0000000000000005
[  643.121631][T10949] RBP: 00007ffcf6dd5360 R08: 0000000000000000 R09: 0000000000000000
[  643.121632][T10949] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a91a71a
[  643.121633][T10949] R13: 00000000004a1620 R14: 0000000000000000 R15: 00007ffcf6dd5ad0
| [  651.948361][T11092] softirqs last disabled at (15648): netif_change_name (./include/linux/spinlock.h:353 ./include/linux/seqlock.h:908 net/core/dev.c:1499)
| [  651.948363][T11092] Preemption disabled at:
| [  651.948364][T11092] vprintk_emit (kernel/printk/printk.c:2471)
| [  651.948373][T11092] Tainted: [W]=WARN
[  651.948374][T11092] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[  651.948375][T11092] Call Trace:
[  651.948377][T11092]  <TASK>
[  651.948379][T11092]  dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120)
[  651.948385][T11092]  ? vprintk_emit (kernel/printk/printk.c:2471)
[  651.948387][T11092]  __might_resched.cold (kernel/sched/core.c:9234)
[  651.948391][T11092]  ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3))
[  651.948395][T11092]  ? __kmalloc_noprof (./include/linux/sched/mm.h:317 mm/slub.c:4636 mm/slub.c:4974 mm/slub.c:5413 mm/slub.c:5439)
[  651.948400][T11092]  __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))
[  651.948402][T11092]  ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[  651.948409][T11092]  ? 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)
[  651.948412][T11092]  alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[  651.948416][T11092]  put_chars (drivers/char/virtio_console.c:1176)
[  651.948418][T11092]  ? __send_to_port (drivers/char/virtio_console.c:654)
[  651.948424][T11092]  hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2))
[  651.948432][T11092]  ? hvc_write (drivers/tty/hvc/hvc_console.c:501)
[  651.948436][T11092]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  651.948440][T11092]  console_emit_next_record (kernel/printk/printk.c:3183)
[  651.948445][T11092]  ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20)
[  651.948446][T11092]  ? 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))
[  651.948450][T11092]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  651.948453][T11092]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  651.948457][T11092]  console_flush_one_record (kernel/printk/printk.c:3268)
[  651.948461][T11092]  ? console_emit_next_record (kernel/printk/printk.c:3150)
[  651.948463][T11092]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[  651.948469][T11092]  console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420)
[  651.948471][T11092]  ? console_flush_one_record (kernel/printk/printk.c:3316)
[  651.948473][T11092]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  651.948475][T11092]  ? 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)
[  651.948479][T11092]  ? __down_trylock_console_sem (kernel/printk/printk.c:334)
[  651.948481][T11092]  ? vprintk_emit (kernel/printk/printk.c:2478)
[  651.948483][T11092]  vprintk_emit (kernel/printk/printk.c:2479)
[  651.948487][T11092]  ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126))
[  651.948489][T11092]  ? _mutex_trylock_nest_lock (kernel/locking/mutex.c:1227 (discriminator 6))
[  651.948495][T11092]  _printk (kernel/printk/printk.c:2504)
[  651.948499][T11092]  ? snapshot_read.cold (user.c:?)
[  651.948500][T11092]  ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4116 (discriminator 3) kernel/rcu/tree.c:4108 (discriminator 3))
[  651.948503][T11092]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380)
[  651.948506][T11092]  ? validate_chain (kernel/locking/lockdep.c:3817 (discriminator 2) kernel/locking/lockdep.c:3837 (discriminator 2) kernel/locking/lockdep.c:3892 (discriminator 2))
[  651.948508][T11092]  ? netdev_name (./include/linux/netdevice.h:5709 (discriminator 1))
[  651.948512][T11092]  ? __netdev_printk (net/core/dev.c:13148 (discriminator 2))
[  651.948515][T11092]  ? do_setlink.isra.0 (net/core/rtnetlink.c:3246)
[  651.948517][T11092]  netdev_info (net/core/dev.c:13195 (discriminator 3))
[  651.948520][T11092]  ? netdev_notice (net/core/dev.c:13194)
[  651.948523][T11092]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[  651.948526][T11092]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554)
[  651.948529][T11092]  ? mark_held_locks (kernel/locking/lockdep.c:4341)
[  651.948532][T11092]  ? do_setlink.isra.0 (net/core/rtnetlink.c:3246)
[  651.948535][T11092]  netif_change_name.cold (net/core/dev.c:1507 (discriminator 3))
[  651.948537][T11092]  ? register_netdev (net/core/dev.c:11618)
[  651.948538][T11092]  ? 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))
[  651.948546][T11092]  ? netdev_adjacent_rename_links (net/core/dev.c:9598)
[  651.948550][T11092]  ? __kernel_text_address (kernel/extable.c:79)
[  651.948553][T11092]  ? write_profile (profile.c:?)
[  651.948558][T11092]  ? __asan_memset (mm/kasan/shadow.c:84 (discriminator 1))
[  651.948564][T11092]  do_setlink.isra.0 (net/core/rtnetlink.c:3246)
[  651.948567][T11092]  ? stack_trace_save (kernel/stacktrace.c:122 (discriminator 1))
[  651.948569][T11092]  ? rtnl_link_get_size (net/core/rtnetlink.c:747)
[  651.948571][T11092]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:388 kernel/rcu/update.c:380)
[  651.948573][T11092]  ? stack_depot_save_flags (lib/stackdepot.c:609 (discriminator 2) lib/stackdepot.c:676 (discriminator 2))
[  651.948576][T11092]  ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4116 (discriminator 3) kernel/rcu/tree.c:4108 (discriminator 3))
[  651.948578][T11092]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380)
[  651.948580][T11092]  ? validate_chain (kernel/locking/lockdep.c:3817 (discriminator 2) kernel/locking/lockdep.c:3837 (discriminator 2) kernel/locking/lockdep.c:3892 (discriminator 2))
[  651.948583][T11092]  ? kasan_save_stack (mm/kasan/common.c:58)
[  651.948585][T11092]  ? kasan_save_stack (mm/kasan/common.c:57)
[  651.948586][T11092]  ? kasan_save_track (mm/kasan/common.c:78)
[  651.948587][T11092]  ? __kasan_kmalloc (mm/kasan/common.c:398 mm/kasan/common.c:415)
[  651.948590][T11092]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[  651.948592][T11092]  ? snd_ac97_proc_read_main (sound/pci/ac97/ac97_proc.c:320)
[  651.948595][T11092]  ? ___sys_sendmsg (net/socket.c:2758)
[  651.948599][T11092]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2))
[  651.948601][T11092]  ? rtnl_newlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:366 net/core/rtnetlink.c:4214)
[  651.948604][T11092]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  651.948605][T11092]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  651.948607][T11092]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  651.948608][T11092]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  651.948610][T11092]  ? trace_contention_end (./include/trace/events/lock.h:121 (discriminator 22))
[  651.948612][T11092]  ? __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)
[  651.948614][T11092]  ? __mutex_lock (kernel/locking/mutex.c:656 (discriminator 1) kernel/locking/mutex.c:821 (discriminator 1))
[  651.948616][T11092]  ? rtnl_newlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:366 net/core/rtnetlink.c:4214)
[  651.948619][T11092]  ? ww_mutex_lock (kernel/locking/mutex.c:934)
[  651.948621][T11092]  ? nla_get_range_signed (lib/nlattr.c:270)
[  651.948626][T11092]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  651.948628][T11092]  ? __rtnl_newlink (net/core/rtnetlink.c:4063)
[  651.948633][T11092]  rtnl_newlink (net/core/rtnetlink.c:4215)
[  651.948639][T11092]  ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558)
[  651.948641][T11092]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[  651.948645][T11092]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2))
[  651.948647][T11092]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[  651.948649][T11092]  ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558)
[  651.948651][T11092]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554)
[  651.948655][T11092]  ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558)
[  651.948657][T11092]  rtnetlink_rcv_msg (net/core/rtnetlink.c:7132)
[  651.948661][T11092]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[  651.948662][T11092]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[  651.948667][T11092]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2))
[  651.948668][T11092]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[  651.948672][T11092]  netlink_rcv_skb (net/netlink/af_netlink.c:2556)
[  651.948676][T11092]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[  651.948679][T11092]  ? netlink_ack (./include/linux/skbuff.h:2718)
[  651.948685][T11092]  ? 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))
[  651.948687][T11092]  ? 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))
[  651.948692][T11092]  netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[  651.948696][T11092]  ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[  651.948699][T11092]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[  651.948703][T11092]  netlink_sendmsg (net/netlink/af_netlink.c:1900)
[  651.948707][T11092]  ? netlink_unicast (./include/net/net_namespace.h:422 (discriminator 7))
[  651.948711][T11092]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554)
[  651.948712][T11092]  ? __import_iovec (lib/iov_iter.c:1358 lib/iov_iter.c:1373)
[  651.948718][T11092]  __sock_sendmsg (net/socket.c:800 (discriminator 4) net/socket.c:815 (discriminator 4))
[  651.948721][T11092]  ____sys_sendmsg (net/socket.c:2713)
[  651.948723][T11092]  ? copy_msghdr_from_user (net/socket.c:2650)
[  651.948726][T11092]  ? sock_write_iter (net/socket.c:1269)
[  651.948727][T11092]  ? move_addr_to_kernel (net/socket.c:258)
[  651.948735][T11092]  ___sys_sendmsg (net/socket.c:2767)
[  651.948738][T11092]  ? copy_msghdr_from_user (net/socket.c:2619)
[  651.948754][T11092]  __sys_sendmsg (net/socket.c:2799)
[  651.948757][T11092]  ? __sys_sendmsg_sock (net/socket.c:2780)
[  651.948763][T11092]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  651.948767][T11092]  do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84)
[  651.948770][T11092]  ? exc_page_fault (arch/x86/mm/fault.c:1489 (discriminator 3) arch/x86/mm/fault.c:1536 (discriminator 3))
[  651.948773][T11092]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[  651.948775][T11092] RIP: 0033:0x7f616efa154e
[  651.948779][T11092] 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
[  651.948781][T11092] RSP: 002b:00007fffadbc5aa0 EFLAGS: 00000202 ORIG_RAX: 000000000000002e
[  651.948787][T11092] RAX: ffffffffffffffda RBX: 0000000000000005 RCX: 00007f616efa154e
[  651.948788][T11092] RDX: 0000000000000000 RSI: 00007fffadbc5b50 RDI: 0000000000000005
[  651.948789][T11092] RBP: 00007fffadbc5ab0 R08: 0000000000000000 R09: 0000000000000000
[  651.948790][T11092] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a91a723
[  651.948791][T11092] R13: 00000000004a1620 R14: 0000000000000000 R15: 00007fffadbc6220
| [  660.810436][T11235] softirqs last disabled at (23372): netif_change_name (./include/linux/spinlock.h:353 ./include/linux/seqlock.h:908 net/core/dev.c:1499)
| [  660.810439][T11235] Preemption disabled at:
| [  660.810440][T11235] vprintk_emit (kernel/printk/printk.c:2471)
| [  660.810448][T11235] Tainted: [W]=WARN
[  660.810449][T11235] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[  660.810451][T11235] Call Trace:
[  660.810453][T11235]  <TASK>
[  660.810454][T11235]  dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120)
[  660.810461][T11235]  ? vprintk_emit (kernel/printk/printk.c:2471)
[  660.810462][T11235]  __might_resched.cold (kernel/sched/core.c:9234)
[  660.810467][T11235]  ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3))
[  660.810471][T11235]  ? __kmalloc_noprof (./include/linux/sched/mm.h:317 mm/slub.c:4636 mm/slub.c:4974 mm/slub.c:5413 mm/slub.c:5439)
[  660.810476][T11235]  __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))
[  660.810478][T11235]  ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[  660.810485][T11235]  ? 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)
[  660.810488][T11235]  alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[  660.810492][T11235]  put_chars (drivers/char/virtio_console.c:1176)
[  660.810495][T11235]  ? __send_to_port (drivers/char/virtio_console.c:654)
[  660.810501][T11235]  hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2))
[  660.810509][T11235]  ? hvc_write (drivers/tty/hvc/hvc_console.c:501)
[  660.810512][T11235]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  660.810517][T11235]  console_emit_next_record (kernel/printk/printk.c:3183)
[  660.810521][T11235]  ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20)
[  660.810523][T11235]  ? 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))
[  660.810527][T11235]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  660.810530][T11235]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  660.810534][T11235]  console_flush_one_record (kernel/printk/printk.c:3268)
[  660.810538][T11235]  ? console_emit_next_record (kernel/printk/printk.c:3150)
[  660.810540][T11235]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[  660.810549][T11235]  console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420)
[  660.810552][T11235]  ? console_flush_one_record (kernel/printk/printk.c:3316)
[  660.810555][T11235]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  660.810556][T11235]  ? 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)
[  660.810560][T11235]  ? __down_trylock_console_sem (kernel/printk/printk.c:334)
[  660.810562][T11235]  ? vprintk_emit (kernel/printk/printk.c:2478)
[  660.810565][T11235]  vprintk_emit (kernel/printk/printk.c:2479)
[  660.810568][T11235]  ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126))
[  660.810571][T11235]  ? _mutex_trylock_nest_lock (kernel/locking/mutex.c:1227 (discriminator 6))
[  660.810576][T11235]  _printk (kernel/printk/printk.c:2504)
[  660.810580][T11235]  ? snapshot_read.cold (user.c:?)
[  660.810582][T11235]  ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4116 (discriminator 3) kernel/rcu/tree.c:4108 (discriminator 3))
[  660.810585][T11235]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380)
[  660.810588][T11235]  ? validate_chain (kernel/locking/lockdep.c:3817 (discriminator 2) kernel/locking/lockdep.c:3837 (discriminator 2) kernel/locking/lockdep.c:3892 (discriminator 2))
[  660.810590][T11235]  ? netdev_name (./include/linux/netdevice.h:5709 (discriminator 1))
[  660.810594][T11235]  ? __netdev_printk (net/core/dev.c:13148 (discriminator 2))
[  660.810597][T11235]  ? do_setlink.isra.0 (net/core/rtnetlink.c:3246)
[  660.810600][T11235]  netdev_info (net/core/dev.c:13195 (discriminator 3))
[  660.810603][T11235]  ? netdev_notice (net/core/dev.c:13194)
[  660.810606][T11235]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[  660.810609][T11235]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554)
[  660.810612][T11235]  ? mark_held_locks (kernel/locking/lockdep.c:4341)
[  660.810615][T11235]  ? do_setlink.isra.0 (net/core/rtnetlink.c:3246)
[  660.810618][T11235]  netif_change_name.cold (net/core/dev.c:1507 (discriminator 3))
[  660.810620][T11235]  ? register_netdev (net/core/dev.c:11618)
[  660.810621][T11235]  ? 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))
[  660.810627][T11235]  ? netdev_adjacent_rename_links (net/core/dev.c:9598)
[  660.810630][T11235]  ? __kernel_text_address (kernel/extable.c:79)
[  660.810632][T11235]  ? write_profile (profile.c:?)
[  660.810637][T11235]  ? __asan_memset (mm/kasan/shadow.c:84 (discriminator 1))
[  660.810643][T11235]  do_setlink.isra.0 (net/core/rtnetlink.c:3246)
[  660.810646][T11235]  ? stack_trace_save (kernel/stacktrace.c:122 (discriminator 1))
[  660.810648][T11235]  ? rtnl_link_get_size (net/core/rtnetlink.c:747)
[  660.810650][T11235]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:388 kernel/rcu/update.c:380)
[  660.810652][T11235]  ? stack_depot_save_flags (lib/stackdepot.c:609 (discriminator 2) lib/stackdepot.c:676 (discriminator 2))
[  660.810656][T11235]  ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4116 (discriminator 3) kernel/rcu/tree.c:4108 (discriminator 3))
[  660.810658][T11235]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380)
[  660.810660][T11235]  ? validate_chain (kernel/locking/lockdep.c:3817 (discriminator 2) kernel/locking/lockdep.c:3837 (discriminator 2) kernel/locking/lockdep.c:3892 (discriminator 2))
[  660.810662][T11235]  ? kasan_save_stack (mm/kasan/common.c:58)
[  660.810665][T11235]  ? kasan_save_stack (mm/kasan/common.c:57)
[  660.810666][T11235]  ? kasan_save_track (mm/kasan/common.c:78)
[  660.810667][T11235]  ? __kasan_kmalloc (mm/kasan/common.c:398 mm/kasan/common.c:415)
[  660.810670][T11235]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[  660.810672][T11235]  ? snd_ac97_proc_read_main (sound/pci/ac97/ac97_proc.c:320)
[  660.810675][T11235]  ? ___sys_sendmsg (net/socket.c:2758)
[  660.810679][T11235]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2))
[  660.810681][T11235]  ? rtnl_newlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:366 net/core/rtnetlink.c:4214)
[  660.810684][T11235]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  660.810686][T11235]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  660.810687][T11235]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  660.810688][T11235]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  660.810690][T11235]  ? trace_contention_end (./include/trace/events/lock.h:121 (discriminator 22))
[  660.810693][T11235]  ? __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)
[  660.810694][T11235]  ? __mutex_lock (kernel/locking/mutex.c:656 (discriminator 1) kernel/locking/mutex.c:821 (discriminator 1))
[  660.810696][T11235]  ? rtnl_newlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:366 net/core/rtnetlink.c:4214)
[  660.810700][T11235]  ? ww_mutex_lock (kernel/locking/mutex.c:934)
[  660.810701][T11235]  ? nla_get_range_signed (lib/nlattr.c:270)
[  660.810706][T11235]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  660.810709][T11235]  ? __rtnl_newlink (net/core/rtnetlink.c:4063)
[  660.810714][T11235]  rtnl_newlink (net/core/rtnetlink.c:4215)
[  660.810719][T11235]  ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558)
[  660.810721][T11235]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[  660.810726][T11235]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2))
[  660.810728][T11235]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[  660.810730][T11235]  ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558)
[  660.810732][T11235]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554)
[  660.810736][T11235]  ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558)
[  660.810738][T11235]  rtnetlink_rcv_msg (net/core/rtnetlink.c:7132)
[  660.810742][T11235]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[  660.810743][T11235]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[  660.810748][T11235]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2))
[  660.810750][T11235]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[  660.810753][T11235]  netlink_rcv_skb (net/netlink/af_netlink.c:2556)
[  660.810757][T11235]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[  660.810760][T11235]  ? netlink_ack (./include/linux/skbuff.h:2718)
[  660.810766][T11235]  ? 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))
[  660.810768][T11235]  ? 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))
[  660.810773][T11235]  netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[  660.810777][T11235]  ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[  660.810780][T11235]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[  660.810787][T11235]  netlink_sendmsg (net/netlink/af_netlink.c:1900)
[  660.810791][T11235]  ? netlink_unicast (./include/net/net_namespace.h:422 (discriminator 7))
[  660.810795][T11235]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554)
[  660.810797][T11235]  ? __import_iovec (lib/iov_iter.c:1358 lib/iov_iter.c:1373)
[  660.810802][T11235]  __sock_sendmsg (net/socket.c:800 (discriminator 4) net/socket.c:815 (discriminator 4))
[  660.810805][T11235]  ____sys_sendmsg (net/socket.c:2713)
[  660.810808][T11235]  ? copy_msghdr_from_user (net/socket.c:2650)
[  660.810810][T11235]  ? sock_write_iter (net/socket.c:1269)
[  660.810812][T11235]  ? move_addr_to_kernel (net/socket.c:258)
[  660.810819][T11235]  ___sys_sendmsg (net/socket.c:2767)
[  660.810822][T11235]  ? copy_msghdr_from_user (net/socket.c:2619)
[  660.810839][T11235]  __sys_sendmsg (net/socket.c:2799)
[  660.810842][T11235]  ? __sys_sendmsg_sock (net/socket.c:2780)
[  660.810848][T11235]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  660.810851][T11235]  do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84)
[  660.810855][T11235]  ? exc_page_fault (arch/x86/mm/fault.c:1489 (discriminator 3) arch/x86/mm/fault.c:1536 (discriminator 3))
[  660.810858][T11235]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[  660.810860][T11235] RIP: 0033:0x7f64e912154e
[  660.810864][T11235] 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
[  660.810866][T11235] RSP: 002b:00007ffffb9a0c90 EFLAGS: 00000202 ORIG_RAX: 000000000000002e
[  660.810869][T11235] RAX: ffffffffffffffda RBX: 0000000000000005 RCX: 00007f64e912154e
[  660.810870][T11235] RDX: 0000000000000000 RSI: 00007ffffb9a0d40 RDI: 0000000000000005
[  660.810871][T11235] RBP: 00007ffffb9a0ca0 R08: 0000000000000000 R09: 0000000000000000
[  660.810872][T11235] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a91a72c
[  660.810873][T11235] R13: 00000000004a1620 R14: 0000000000000000 R15: 00007ffffb9a1410
| [  669.674574][T11378] softirqs last disabled at (17416): netif_change_name (./include/linux/spinlock.h:353 ./include/linux/seqlock.h:908 net/core/dev.c:1499)
| [  669.674577][T11378] Preemption disabled at:
| [  669.674578][T11378] vprintk_emit (kernel/printk/printk.c:2471)
| [  669.674587][T11378] Tainted: [W]=WARN
[  669.674588][T11378] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[  669.674590][T11378] Call Trace:
[  669.674591][T11378]  <TASK>
[  669.674593][T11378]  dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120)
[  669.674600][T11378]  ? vprintk_emit (kernel/printk/printk.c:2471)
[  669.674601][T11378]  __might_resched.cold (kernel/sched/core.c:9234)
[  669.674606][T11378]  ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3))
[  669.674611][T11378]  ? __kmalloc_noprof (./include/linux/sched/mm.h:317 mm/slub.c:4636 mm/slub.c:4974 mm/slub.c:5413 mm/slub.c:5439)
[  669.674615][T11378]  __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))
[  669.674617][T11378]  ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[  669.674624][T11378]  ? 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)
[  669.674627][T11378]  alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[  669.674631][T11378]  put_chars (drivers/char/virtio_console.c:1176)
[  669.674633][T11378]  ? __send_to_port (drivers/char/virtio_console.c:654)
[  669.674640][T11378]  hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2))
[  669.674648][T11378]  ? hvc_write (drivers/tty/hvc/hvc_console.c:501)
[  669.674652][T11378]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  669.674656][T11378]  console_emit_next_record (kernel/printk/printk.c:3183)
[  669.674661][T11378]  ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20)
[  669.674663][T11378]  ? 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))
[  669.674666][T11378]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  669.674669][T11378]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  669.674673][T11378]  console_flush_one_record (kernel/printk/printk.c:3268)
[  669.674677][T11378]  ? console_emit_next_record (kernel/printk/printk.c:3150)
[  669.674679][T11378]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[  669.674685][T11378]  console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420)
[  669.674688][T11378]  ? console_flush_one_record (kernel/printk/printk.c:3316)
[  669.674690][T11378]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  669.674691][T11378]  ? 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)
[  669.674695][T11378]  ? __down_trylock_console_sem (kernel/printk/printk.c:334)
[  669.674697][T11378]  ? vprintk_emit (kernel/printk/printk.c:2478)
[  669.674700][T11378]  vprintk_emit (kernel/printk/printk.c:2479)
[  669.674703][T11378]  ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126))
[  669.674706][T11378]  ? _mutex_trylock_nest_lock (kernel/locking/mutex.c:1227 (discriminator 6))
[  669.674711][T11378]  _printk (kernel/printk/printk.c:2504)
[  669.674715][T11378]  ? snapshot_read.cold (user.c:?)
[  669.674717][T11378]  ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4116 (discriminator 3) kernel/rcu/tree.c:4108 (discriminator 3))
[  669.674719][T11378]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380)
[  669.674722][T11378]  ? validate_chain (kernel/locking/lockdep.c:3817 (discriminator 2) kernel/locking/lockdep.c:3837 (discriminator 2) kernel/locking/lockdep.c:3892 (discriminator 2))
[  669.674725][T11378]  ? netdev_name (./include/linux/netdevice.h:5709 (discriminator 1))
[  669.674728][T11378]  ? __netdev_printk (net/core/dev.c:13148 (discriminator 2))
[  669.674731][T11378]  ? do_setlink.isra.0 (net/core/rtnetlink.c:3246)
[  669.674734][T11378]  netdev_info (net/core/dev.c:13195 (discriminator 3))
[  669.674737][T11378]  ? netdev_notice (net/core/dev.c:13194)
[  669.674739][T11378]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[  669.674743][T11378]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554)
[  669.674745][T11378]  ? mark_held_locks (kernel/locking/lockdep.c:4341)
[  669.674749][T11378]  ? do_setlink.isra.0 (net/core/rtnetlink.c:3246)
[  669.674751][T11378]  netif_change_name.cold (net/core/dev.c:1507 (discriminator 3))
[  669.674754][T11378]  ? register_netdev (net/core/dev.c:11618)
[  669.674755][T11378]  ? 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))
[  669.674761][T11378]  ? netdev_adjacent_rename_links (net/core/dev.c:9598)
[  669.674764][T11378]  ? __kernel_text_address (kernel/extable.c:79)
[  669.674766][T11378]  ? write_profile (profile.c:?)
[  669.674771][T11378]  ? __asan_memset (mm/kasan/shadow.c:84 (discriminator 1))
[  669.674777][T11378]  do_setlink.isra.0 (net/core/rtnetlink.c:3246)
[  669.674780][T11378]  ? stack_trace_save (kernel/stacktrace.c:122 (discriminator 1))
[  669.674783][T11378]  ? rtnl_link_get_size (net/core/rtnetlink.c:747)
[  669.674787][T11378]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:388 kernel/rcu/update.c:380)
[  669.674789][T11378]  ? stack_depot_save_flags (lib/stackdepot.c:609 (discriminator 2) lib/stackdepot.c:676 (discriminator 2))
[  669.674793][T11378]  ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4116 (discriminator 3) kernel/rcu/tree.c:4108 (discriminator 3))
[  669.674795][T11378]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380)
[  669.674797][T11378]  ? validate_chain (kernel/locking/lockdep.c:3817 (discriminator 2) kernel/locking/lockdep.c:3837 (discriminator 2) kernel/locking/lockdep.c:3892 (discriminator 2))
[  669.674799][T11378]  ? kasan_save_stack (mm/kasan/common.c:58)
[  669.674801][T11378]  ? kasan_save_stack (mm/kasan/common.c:57)
[  669.674803][T11378]  ? kasan_save_track (mm/kasan/common.c:78)
[  669.674804][T11378]  ? __kasan_kmalloc (mm/kasan/common.c:398 mm/kasan/common.c:415)
[  669.674806][T11378]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[  669.674808][T11378]  ? snd_ac97_proc_read_main (sound/pci/ac97/ac97_proc.c:320)
[  669.674811][T11378]  ? ___sys_sendmsg (net/socket.c:2758)
[  669.674815][T11378]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2))
[  669.674818][T11378]  ? rtnl_newlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:366 net/core/rtnetlink.c:4214)
[  669.674820][T11378]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  669.674822][T11378]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  669.674824][T11378]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  669.674825][T11378]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  669.674826][T11378]  ? trace_contention_end (./include/trace/events/lock.h:121 (discriminator 22))
[  669.674829][T11378]  ? __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)
[  669.674831][T11378]  ? __mutex_lock (kernel/locking/mutex.c:656 (discriminator 1) kernel/locking/mutex.c:821 (discriminator 1))
[  669.674833][T11378]  ? rtnl_newlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:366 net/core/rtnetlink.c:4214)
[  669.674836][T11378]  ? ww_mutex_lock (kernel/locking/mutex.c:934)
[  669.674837][T11378]  ? nla_get_range_signed (lib/nlattr.c:270)
[  669.674843][T11378]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  669.674845][T11378]  ? __rtnl_newlink (net/core/rtnetlink.c:4063)
[  669.674850][T11378]  rtnl_newlink (net/core/rtnetlink.c:4215)
[  669.674856][T11378]  ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558)
[  669.674858][T11378]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[  669.674863][T11378]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2))
[  669.674865][T11378]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[  669.674867][T11378]  ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558)
[  669.674869][T11378]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554)
[  669.674873][T11378]  ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558)
[  669.674875][T11378]  rtnetlink_rcv_msg (net/core/rtnetlink.c:7132)
[  669.674878][T11378]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[  669.674879][T11378]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[  669.674884][T11378]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2))
[  669.674886][T11378]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[  669.674890][T11378]  netlink_rcv_skb (net/netlink/af_netlink.c:2556)
[  669.674893][T11378]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[  669.674896][T11378]  ? netlink_ack (./include/linux/skbuff.h:2718)
[  669.674903][T11378]  ? 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))
[  669.674905][T11378]  ? 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))
[  669.674910][T11378]  netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[  669.674914][T11378]  ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[  669.674917][T11378]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[  669.674921][T11378]  netlink_sendmsg (net/netlink/af_netlink.c:1900)
[  669.674925][T11378]  ? netlink_unicast (./include/net/net_namespace.h:422 (discriminator 7))
[  669.674929][T11378]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554)
[  669.674931][T11378]  ? __import_iovec (lib/iov_iter.c:1358 lib/iov_iter.c:1373)
[  669.674937][T11378]  __sock_sendmsg (net/socket.c:800 (discriminator 4) net/socket.c:815 (discriminator 4))
[  669.674940][T11378]  ____sys_sendmsg (net/socket.c:2713)
[  669.674942][T11378]  ? copy_msghdr_from_user (net/socket.c:2650)
[  669.674945][T11378]  ? sock_write_iter (net/socket.c:1269)
[  669.674946][T11378]  ? move_addr_to_kernel (net/socket.c:258)
[  669.674954][T11378]  ___sys_sendmsg (net/socket.c:2767)
[  669.674957][T11378]  ? copy_msghdr_from_user (net/socket.c:2619)
[  669.674973][T11378]  __sys_sendmsg (net/socket.c:2799)
[  669.674976][T11378]  ? __sys_sendmsg_sock (net/socket.c:2780)
[  669.674983][T11378]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  669.674986][T11378]  do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84)
[  669.674989][T11378]  ? exc_page_fault (arch/x86/mm/fault.c:1489 (discriminator 3) arch/x86/mm/fault.c:1536 (discriminator 3))
[  669.674992][T11378]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[  669.674995][T11378] RIP: 0033:0x7f15007ed54e
[  669.674999][T11378] 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
[  669.675001][T11378] RSP: 002b:00007ffc0760bd60 EFLAGS: 00000202 ORIG_RAX: 000000000000002e
[  669.675004][T11378] RAX: ffffffffffffffda RBX: 0000000000000005 RCX: 00007f15007ed54e
[  669.675005][T11378] RDX: 0000000000000000 RSI: 00007ffc0760be10 RDI: 0000000000000005
[  669.675006][T11378] RBP: 00007ffc0760bd70 R08: 0000000000000000 R09: 0000000000000000
[  669.675007][T11378] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a91a735
[  669.675008][T11378] R13: 00000000004a1620 R14: 0000000000000000 R15: 00007ffc0760c4e0
| [  678.552503][T11521] softirqs last disabled at (16994): netif_change_name (./include/linux/spinlock.h:353 ./include/linux/seqlock.h:908 net/core/dev.c:1499)
| [  678.552506][T11521] Preemption disabled at:
| [  678.552507][T11521] vprintk_emit (kernel/printk/printk.c:2471)
| [  678.552515][T11521] Tainted: [W]=WARN
[  678.552516][T11521] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[  678.552518][T11521] Call Trace:
[  678.552519][T11521]  <TASK>
[  678.552521][T11521]  dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120)
[  678.552527][T11521]  ? vprintk_emit (kernel/printk/printk.c:2471)
[  678.552528][T11521]  __might_resched.cold (kernel/sched/core.c:9234)
[  678.552533][T11521]  ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3))
[  678.552537][T11521]  ? __kmalloc_noprof (./include/linux/sched/mm.h:317 mm/slub.c:4636 mm/slub.c:4974 mm/slub.c:5413 mm/slub.c:5439)
[  678.552543][T11521]  __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))
[  678.552546][T11521]  ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[  678.552554][T11521]  ? 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)
[  678.552557][T11521]  alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[  678.552560][T11521]  put_chars (drivers/char/virtio_console.c:1176)
[  678.552563][T11521]  ? __send_to_port (drivers/char/virtio_console.c:654)
[  678.552569][T11521]  hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2))
[  678.552577][T11521]  ? hvc_write (drivers/tty/hvc/hvc_console.c:501)
[  678.552580][T11521]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  678.552585][T11521]  console_emit_next_record (kernel/printk/printk.c:3183)
[  678.552589][T11521]  ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20)
[  678.552591][T11521]  ? 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))
[  678.552595][T11521]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  678.552598][T11521]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  678.552602][T11521]  console_flush_one_record (kernel/printk/printk.c:3268)
[  678.552606][T11521]  ? console_emit_next_record (kernel/printk/printk.c:3150)
[  678.552608][T11521]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[  678.552613][T11521]  console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420)
[  678.552616][T11521]  ? console_flush_one_record (kernel/printk/printk.c:3316)
[  678.552618][T11521]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  678.552620][T11521]  ? 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)
[  678.552624][T11521]  ? __down_trylock_console_sem (kernel/printk/printk.c:334)
[  678.552626][T11521]  ? vprintk_emit (kernel/printk/printk.c:2478)
[  678.552628][T11521]  vprintk_emit (kernel/printk/printk.c:2479)
[  678.552632][T11521]  ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126))
[  678.552634][T11521]  ? _mutex_trylock_nest_lock (kernel/locking/mutex.c:1227 (discriminator 6))
[  678.552639][T11521]  _printk (kernel/printk/printk.c:2504)
[  678.552643][T11521]  ? snapshot_read.cold (user.c:?)
[  678.552645][T11521]  ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4116 (discriminator 3) kernel/rcu/tree.c:4108 (discriminator 3))
[  678.552648][T11521]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380)
[  678.552651][T11521]  ? validate_chain (kernel/locking/lockdep.c:3817 (discriminator 2) kernel/locking/lockdep.c:3837 (discriminator 2) kernel/locking/lockdep.c:3892 (discriminator 2))
[  678.552653][T11521]  ? netdev_name (./include/linux/netdevice.h:5709 (discriminator 1))
[  678.552657][T11521]  ? __netdev_printk (net/core/dev.c:13148 (discriminator 2))
[  678.552660][T11521]  ? do_setlink.isra.0 (net/core/rtnetlink.c:3246)
[  678.552662][T11521]  netdev_info (net/core/dev.c:13195 (discriminator 3))
[  678.552665][T11521]  ? netdev_notice (net/core/dev.c:13194)
[  678.552668][T11521]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[  678.552671][T11521]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554)
[  678.552674][T11521]  ? mark_held_locks (kernel/locking/lockdep.c:4341)
[  678.552677][T11521]  ? do_setlink.isra.0 (net/core/rtnetlink.c:3246)
[  678.552679][T11521]  netif_change_name.cold (net/core/dev.c:1507 (discriminator 3))
[  678.552682][T11521]  ? register_netdev (net/core/dev.c:11618)
[  678.552683][T11521]  ? 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))
[  678.552689][T11521]  ? netdev_adjacent_rename_links (net/core/dev.c:9598)
[  678.552691][T11521]  ? __kernel_text_address (kernel/extable.c:79)
[  678.552694][T11521]  ? write_profile (profile.c:?)
[  678.552698][T11521]  ? __asan_memset (mm/kasan/shadow.c:84 (discriminator 1))
[  678.552704][T11521]  do_setlink.isra.0 (net/core/rtnetlink.c:3246)
[  678.552707][T11521]  ? stack_trace_save (kernel/stacktrace.c:122 (discriminator 1))
[  678.552710][T11521]  ? rtnl_link_get_size (net/core/rtnetlink.c:747)
[  678.552711][T11521]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:388 kernel/rcu/update.c:380)
[  678.552713][T11521]  ? stack_depot_save_flags (lib/stackdepot.c:609 (discriminator 2) lib/stackdepot.c:676 (discriminator 2))
[  678.552717][T11521]  ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4116 (discriminator 3) kernel/rcu/tree.c:4108 (discriminator 3))
[  678.552719][T11521]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380)
[  678.552720][T11521]  ? validate_chain (kernel/locking/lockdep.c:3817 (discriminator 2) kernel/locking/lockdep.c:3837 (discriminator 2) kernel/locking/lockdep.c:3892 (discriminator 2))
[  678.552723][T11521]  ? kasan_save_stack (mm/kasan/common.c:58)
[  678.552725][T11521]  ? kasan_save_stack (mm/kasan/common.c:57)
[  678.552726][T11521]  ? kasan_save_track (mm/kasan/common.c:78)
[  678.552727][T11521]  ? __kasan_kmalloc (mm/kasan/common.c:398 mm/kasan/common.c:415)
[  678.552730][T11521]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[  678.552732][T11521]  ? snd_ac97_proc_read_main (sound/pci/ac97/ac97_proc.c:320)
[  678.552735][T11521]  ? ___sys_sendmsg (net/socket.c:2758)
[  678.552739][T11521]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2))
[  678.552741][T11521]  ? rtnl_newlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:366 net/core/rtnetlink.c:4214)
[  678.552743][T11521]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  678.552745][T11521]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  678.552747][T11521]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  678.552748][T11521]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  678.552750][T11521]  ? trace_contention_end (./include/trace/events/lock.h:121 (discriminator 22))
[  678.552752][T11521]  ? __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)
[  678.552754][T11521]  ? __mutex_lock (kernel/locking/mutex.c:656 (discriminator 1) kernel/locking/mutex.c:821 (discriminator 1))
[  678.552756][T11521]  ? rtnl_newlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:366 net/core/rtnetlink.c:4214)
[  678.552759][T11521]  ? ww_mutex_lock (kernel/locking/mutex.c:934)
[  678.552761][T11521]  ? nla_get_range_signed (lib/nlattr.c:270)
[  678.552766][T11521]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  678.552768][T11521]  ? __rtnl_newlink (net/core/rtnetlink.c:4063)
[  678.552773][T11521]  rtnl_newlink (net/core/rtnetlink.c:4215)
[  678.552779][T11521]  ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558)
[  678.552781][T11521]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[  678.552788][T11521]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2))
[  678.552791][T11521]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[  678.552793][T11521]  ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558)
[  678.552794][T11521]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554)
[  678.552798][T11521]  ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558)
[  678.552800][T11521]  rtnetlink_rcv_msg (net/core/rtnetlink.c:7132)
[  678.552804][T11521]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[  678.552805][T11521]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[  678.552810][T11521]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2))
[  678.552812][T11521]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[  678.552815][T11521]  netlink_rcv_skb (net/netlink/af_netlink.c:2556)
[  678.552818][T11521]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[  678.552821][T11521]  ? netlink_ack (./include/linux/skbuff.h:2718)
[  678.552828][T11521]  ? 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))
[  678.552830][T11521]  ? 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))
[  678.552835][T11521]  netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[  678.552839][T11521]  ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[  678.552841][T11521]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[  678.552846][T11521]  netlink_sendmsg (net/netlink/af_netlink.c:1900)
[  678.552850][T11521]  ? netlink_unicast (./include/net/net_namespace.h:422 (discriminator 7))
[  678.552854][T11521]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554)
[  678.552855][T11521]  ? __import_iovec (lib/iov_iter.c:1358 lib/iov_iter.c:1373)
[  678.552861][T11521]  __sock_sendmsg (net/socket.c:800 (discriminator 4) net/socket.c:815 (discriminator 4))
[  678.552864][T11521]  ____sys_sendmsg (net/socket.c:2713)
[  678.552866][T11521]  ? copy_msghdr_from_user (net/socket.c:2650)
[  678.552868][T11521]  ? sock_write_iter (net/socket.c:1269)
[  678.552870][T11521]  ? move_addr_to_kernel (net/socket.c:258)
[  678.552878][T11521]  ___sys_sendmsg (net/socket.c:2767)
[  678.552881][T11521]  ? copy_msghdr_from_user (net/socket.c:2619)
[  678.552897][T11521]  __sys_sendmsg (net/socket.c:2799)
[  678.552900][T11521]  ? __sys_sendmsg_sock (net/socket.c:2780)
[  678.552906][T11521]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  678.552909][T11521]  do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84)
[  678.552913][T11521]  ? exc_page_fault (arch/x86/mm/fault.c:1489 (discriminator 3) arch/x86/mm/fault.c:1536 (discriminator 3))
[  678.552915][T11521]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[  678.552918][T11521] RIP: 0033:0x7f931b9e954e
[  678.552922][T11521] 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
[  678.552924][T11521] RSP: 002b:00007ffee267a2a0 EFLAGS: 00000202 ORIG_RAX: 000000000000002e
[  678.552927][T11521] RAX: ffffffffffffffda RBX: 0000000000000005 RCX: 00007f931b9e954e
[  678.552928][T11521] RDX: 0000000000000000 RSI: 00007ffee267a350 RDI: 0000000000000005
[  678.552929][T11521] RBP: 00007ffee267a2b0 R08: 0000000000000000 R09: 0000000000000000
[  678.552930][T11521] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a91a73d
[  678.552931][T11521] R13: 00000000004a1620 R14: 0000000000000000 R15: 00007ffee267aa20
| [  687.399507][T11664] softirqs last disabled at (17606): netif_change_name (./include/linux/spinlock.h:353 ./include/linux/seqlock.h:908 net/core/dev.c:1499)
| [  687.399510][T11664] Preemption disabled at:
| [  687.399511][T11664] vprintk_emit (kernel/printk/printk.c:2471)
| [  687.399525][T11664] Tainted: [W]=WARN
[  687.399526][T11664] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[  687.399527][T11664] Call Trace:
[  687.399529][T11664]  <TASK>
[  687.399531][T11664]  dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120)
[  687.399537][T11664]  ? vprintk_emit (kernel/printk/printk.c:2471)
[  687.399539][T11664]  __might_resched.cold (kernel/sched/core.c:9234)
[  687.399545][T11664]  ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3))
[  687.399551][T11664]  ? __kmalloc_noprof (./include/linux/sched/mm.h:317 mm/slub.c:4636 mm/slub.c:4974 mm/slub.c:5413 mm/slub.c:5439)
[  687.399556][T11664]  __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))
[  687.399558][T11664]  ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[  687.399565][T11664]  ? 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)
[  687.399568][T11664]  alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[  687.399571][T11664]  put_chars (drivers/char/virtio_console.c:1176)
[  687.399574][T11664]  ? __send_to_port (drivers/char/virtio_console.c:654)
[  687.399580][T11664]  hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2))
[  687.399588][T11664]  ? hvc_write (drivers/tty/hvc/hvc_console.c:501)
[  687.399591][T11664]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  687.399596][T11664]  console_emit_next_record (kernel/printk/printk.c:3183)
[  687.399601][T11664]  ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20)
[  687.399602][T11664]  ? 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))
[  687.399606][T11664]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  687.399609][T11664]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  687.399613][T11664]  console_flush_one_record (kernel/printk/printk.c:3268)
[  687.399617][T11664]  ? console_emit_next_record (kernel/printk/printk.c:3150)
[  687.399619][T11664]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[  687.399625][T11664]  console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420)
[  687.399628][T11664]  ? console_flush_one_record (kernel/printk/printk.c:3316)
[  687.399630][T11664]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  687.399631][T11664]  ? 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)
[  687.399635][T11664]  ? __down_trylock_console_sem (kernel/printk/printk.c:334)
[  687.399637][T11664]  ? vprintk_emit (kernel/printk/printk.c:2478)
[  687.399640][T11664]  vprintk_emit (kernel/printk/printk.c:2479)
[  687.399643][T11664]  ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126))
[  687.399646][T11664]  ? _mutex_trylock_nest_lock (kernel/locking/mutex.c:1227 (discriminator 6))
[  687.399651][T11664]  _printk (kernel/printk/printk.c:2504)
[  687.399655][T11664]  ? snapshot_read.cold (user.c:?)
[  687.399657][T11664]  ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4116 (discriminator 3) kernel/rcu/tree.c:4108 (discriminator 3))
[  687.399659][T11664]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380)
[  687.399662][T11664]  ? validate_chain (kernel/locking/lockdep.c:3817 (discriminator 2) kernel/locking/lockdep.c:3837 (discriminator 2) kernel/locking/lockdep.c:3892 (discriminator 2))
[  687.399664][T11664]  ? netdev_name (./include/linux/netdevice.h:5709 (discriminator 1))
[  687.399668][T11664]  ? __netdev_printk (net/core/dev.c:13148 (discriminator 2))
[  687.399671][T11664]  ? do_setlink.isra.0 (net/core/rtnetlink.c:3246)
[  687.399673][T11664]  netdev_info (net/core/dev.c:13195 (discriminator 3))
[  687.399676][T11664]  ? netdev_notice (net/core/dev.c:13194)
[  687.399679][T11664]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[  687.399682][T11664]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554)
[  687.399685][T11664]  ? mark_held_locks (kernel/locking/lockdep.c:4341)
[  687.399689][T11664]  ? do_setlink.isra.0 (net/core/rtnetlink.c:3246)
[  687.399691][T11664]  netif_change_name.cold (net/core/dev.c:1507 (discriminator 3))
[  687.399693][T11664]  ? register_netdev (net/core/dev.c:11618)
[  687.399695][T11664]  ? 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))
[  687.399700][T11664]  ? netdev_adjacent_rename_links (net/core/dev.c:9598)
[  687.399703][T11664]  ? __kernel_text_address (kernel/extable.c:79)
[  687.399705][T11664]  ? write_profile (profile.c:?)
[  687.399710][T11664]  ? __asan_memset (mm/kasan/shadow.c:84 (discriminator 1))
[  687.399715][T11664]  do_setlink.isra.0 (net/core/rtnetlink.c:3246)
[  687.399719][T11664]  ? stack_trace_save (kernel/stacktrace.c:122 (discriminator 1))
[  687.399721][T11664]  ? rtnl_link_get_size (net/core/rtnetlink.c:747)
[  687.399722][T11664]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:388 kernel/rcu/update.c:380)
[  687.399725][T11664]  ? stack_depot_save_flags (lib/stackdepot.c:609 (discriminator 2) lib/stackdepot.c:676 (discriminator 2))
[  687.399728][T11664]  ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4116 (discriminator 3) kernel/rcu/tree.c:4108 (discriminator 3))
[  687.399730][T11664]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380)
[  687.399732][T11664]  ? validate_chain (kernel/locking/lockdep.c:3817 (discriminator 2) kernel/locking/lockdep.c:3837 (discriminator 2) kernel/locking/lockdep.c:3892 (discriminator 2))
[  687.399734][T11664]  ? kasan_save_stack (mm/kasan/common.c:58)
[  687.399736][T11664]  ? kasan_save_stack (mm/kasan/common.c:57)
[  687.399737][T11664]  ? kasan_save_track (mm/kasan/common.c:78)
[  687.399739][T11664]  ? __kasan_kmalloc (mm/kasan/common.c:398 mm/kasan/common.c:415)
[  687.399742][T11664]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[  687.399744][T11664]  ? snd_ac97_proc_read_main (sound/pci/ac97/ac97_proc.c:320)
[  687.399746][T11664]  ? ___sys_sendmsg (net/socket.c:2758)
[  687.399750][T11664]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2))
[  687.399752][T11664]  ? rtnl_newlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:366 net/core/rtnetlink.c:4214)
[  687.399755][T11664]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  687.399757][T11664]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  687.399759][T11664]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  687.399760][T11664]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  687.399761][T11664]  ? trace_contention_end (./include/trace/events/lock.h:121 (discriminator 22))
[  687.399764][T11664]  ? __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)
[  687.399765][T11664]  ? __mutex_lock (kernel/locking/mutex.c:656 (discriminator 1) kernel/locking/mutex.c:821 (discriminator 1))
[  687.399767][T11664]  ? rtnl_newlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:366 net/core/rtnetlink.c:4214)
[  687.399771][T11664]  ? ww_mutex_lock (kernel/locking/mutex.c:934)
[  687.399772][T11664]  ? nla_get_range_signed (lib/nlattr.c:270)
[  687.399778][T11664]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  687.399780][T11664]  ? __rtnl_newlink (net/core/rtnetlink.c:4063)
[  687.399788][T11664]  rtnl_newlink (net/core/rtnetlink.c:4215)
[  687.399794][T11664]  ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558)
[  687.399796][T11664]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[  687.399800][T11664]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2))
[  687.399802][T11664]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[  687.399804][T11664]  ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558)
[  687.399806][T11664]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554)
[  687.399810][T11664]  ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558)
[  687.399812][T11664]  rtnetlink_rcv_msg (net/core/rtnetlink.c:7132)
[  687.399815][T11664]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[  687.399817][T11664]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[  687.399821][T11664]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2))
[  687.399823][T11664]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[  687.399827][T11664]  netlink_rcv_skb (net/netlink/af_netlink.c:2556)
[  687.399831][T11664]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[  687.399833][T11664]  ? netlink_ack (./include/linux/skbuff.h:2718)
[  687.399840][T11664]  ? 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))
[  687.399842][T11664]  ? 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))
[  687.399847][T11664]  netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[  687.399851][T11664]  ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[  687.399854][T11664]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[  687.399858][T11664]  netlink_sendmsg (net/netlink/af_netlink.c:1900)
[  687.399862][T11664]  ? netlink_unicast (./include/net/net_namespace.h:422 (discriminator 7))
[  687.399866][T11664]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554)
[  687.399867][T11664]  ? __import_iovec (lib/iov_iter.c:1358 lib/iov_iter.c:1373)
[  687.399873][T11664]  __sock_sendmsg (net/socket.c:800 (discriminator 4) net/socket.c:815 (discriminator 4))
[  687.399876][T11664]  ____sys_sendmsg (net/socket.c:2713)
[  687.399878][T11664]  ? copy_msghdr_from_user (net/socket.c:2650)
[  687.399881][T11664]  ? sock_write_iter (net/socket.c:1269)
[  687.399882][T11664]  ? move_addr_to_kernel (net/socket.c:258)
[  687.399890][T11664]  ___sys_sendmsg (net/socket.c:2767)
[  687.399893][T11664]  ? copy_msghdr_from_user (net/socket.c:2619)
[  687.399909][T11664]  __sys_sendmsg (net/socket.c:2799)
[  687.399912][T11664]  ? __sys_sendmsg_sock (net/socket.c:2780)
[  687.399918][T11664]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  687.399922][T11664]  do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84)
[  687.399925][T11664]  ? exc_page_fault (arch/x86/mm/fault.c:1489 (discriminator 3) arch/x86/mm/fault.c:1536 (discriminator 3))
[  687.399927][T11664]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[  687.399930][T11664] RIP: 0033:0x7f8e197cb54e
[  687.399934][T11664] 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
[  687.399935][T11664] RSP: 002b:00007ffea701bc30 EFLAGS: 00000202 ORIG_RAX: 000000000000002e
[  687.399938][T11664] RAX: ffffffffffffffda RBX: 0000000000000005 RCX: 00007f8e197cb54e
[  687.399940][T11664] RDX: 0000000000000000 RSI: 00007ffea701bce0 RDI: 0000000000000005
[  687.399941][T11664] RBP: 00007ffea701bc40 R08: 0000000000000000 R09: 0000000000000000
[  687.399942][T11664] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a91a746
[  687.399942][T11664] R13: 00000000004a1620 R14: 0000000000000000 R15: 00007ffea701c3b0
| [  696.232341][T11807] softirqs last disabled at (28352): netif_change_name (./include/linux/spinlock.h:353 ./include/linux/seqlock.h:908 net/core/dev.c:1499)
| [  696.232344][T11807] Preemption disabled at:
| [  696.232344][T11807] vprintk_emit (kernel/printk/printk.c:2471)
| [  696.232353][T11807] Tainted: [W]=WARN
[  696.232354][T11807] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[  696.232355][T11807] Call Trace:
[  696.232357][T11807]  <TASK>
[  696.232358][T11807]  dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120)
[  696.232365][T11807]  ? vprintk_emit (kernel/printk/printk.c:2471)
[  696.232367][T11807]  __might_resched.cold (kernel/sched/core.c:9234)
[  696.232371][T11807]  ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3))
[  696.232376][T11807]  ? __kmalloc_noprof (./include/linux/sched/mm.h:317 mm/slub.c:4636 mm/slub.c:4974 mm/slub.c:5413 mm/slub.c:5439)
[  696.232380][T11807]  __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))
[  696.232382][T11807]  ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[  696.232389][T11807]  ? 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)
[  696.232392][T11807]  alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[  696.232396][T11807]  put_chars (drivers/char/virtio_console.c:1176)
[  696.232398][T11807]  ? __send_to_port (drivers/char/virtio_console.c:654)
[  696.232405][T11807]  hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2))
[  696.232413][T11807]  ? hvc_write (drivers/tty/hvc/hvc_console.c:501)
[  696.232416][T11807]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  696.232421][T11807]  console_emit_next_record (kernel/printk/printk.c:3183)
[  696.232425][T11807]  ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20)
[  696.232427][T11807]  ? 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))
[  696.232430][T11807]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  696.232433][T11807]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  696.232437][T11807]  console_flush_one_record (kernel/printk/printk.c:3268)
[  696.232442][T11807]  ? console_emit_next_record (kernel/printk/printk.c:3150)
[  696.232444][T11807]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[  696.232449][T11807]  console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420)
[  696.232452][T11807]  ? console_flush_one_record (kernel/printk/printk.c:3316)
[  696.232454][T11807]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  696.232456][T11807]  ? 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)
[  696.232460][T11807]  ? __down_trylock_console_sem (kernel/printk/printk.c:334)
[  696.232462][T11807]  ? vprintk_emit (kernel/printk/printk.c:2478)
[  696.232465][T11807]  vprintk_emit (kernel/printk/printk.c:2479)
[  696.232468][T11807]  ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126))
[  696.232471][T11807]  ? _mutex_trylock_nest_lock (kernel/locking/mutex.c:1227 (discriminator 6))
[  696.232476][T11807]  _printk (kernel/printk/printk.c:2504)
[  696.232480][T11807]  ? snapshot_read.cold (user.c:?)
[  696.232482][T11807]  ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4116 (discriminator 3) kernel/rcu/tree.c:4108 (discriminator 3))
[  696.232484][T11807]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380)
[  696.232487][T11807]  ? validate_chain (kernel/locking/lockdep.c:3817 (discriminator 2) kernel/locking/lockdep.c:3837 (discriminator 2) kernel/locking/lockdep.c:3892 (discriminator 2))
[  696.232489][T11807]  ? netdev_name (./include/linux/netdevice.h:5709 (discriminator 1))
[  696.232493][T11807]  ? __netdev_printk (net/core/dev.c:13148 (discriminator 2))
[  696.232496][T11807]  ? do_setlink.isra.0 (net/core/rtnetlink.c:3246)
[  696.232499][T11807]  netdev_info (net/core/dev.c:13195 (discriminator 3))
[  696.232502][T11807]  ? netdev_notice (net/core/dev.c:13194)
[  696.232505][T11807]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[  696.232508][T11807]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554)
[  696.232510][T11807]  ? mark_held_locks (kernel/locking/lockdep.c:4341)
[  696.232514][T11807]  ? do_setlink.isra.0 (net/core/rtnetlink.c:3246)
[  696.232516][T11807]  netif_change_name.cold (net/core/dev.c:1507 (discriminator 3))
[  696.232518][T11807]  ? register_netdev (net/core/dev.c:11618)
[  696.232520][T11807]  ? 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))
[  696.232525][T11807]  ? netdev_adjacent_rename_links (net/core/dev.c:9598)
[  696.232528][T11807]  ? __kernel_text_address (kernel/extable.c:79)
[  696.232531][T11807]  ? write_profile (profile.c:?)
[  696.232535][T11807]  ? __asan_memset (mm/kasan/shadow.c:84 (discriminator 1))
[  696.232541][T11807]  do_setlink.isra.0 (net/core/rtnetlink.c:3246)
[  696.232547][T11807]  ? stack_trace_save (kernel/stacktrace.c:122 (discriminator 1))
[  696.232551][T11807]  ? rtnl_link_get_size (net/core/rtnetlink.c:747)
[  696.232552][T11807]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:388 kernel/rcu/update.c:380)
[  696.232554][T11807]  ? stack_depot_save_flags (lib/stackdepot.c:609 (discriminator 2) lib/stackdepot.c:676 (discriminator 2))
[  696.232558][T11807]  ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4116 (discriminator 3) kernel/rcu/tree.c:4108 (discriminator 3))
[  696.232560][T11807]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380)
[  696.232562][T11807]  ? validate_chain (kernel/locking/lockdep.c:3817 (discriminator 2) kernel/locking/lockdep.c:3837 (discriminator 2) kernel/locking/lockdep.c:3892 (discriminator 2))
[  696.232564][T11807]  ? kasan_save_stack (mm/kasan/common.c:58)
[  696.232566][T11807]  ? kasan_save_stack (mm/kasan/common.c:57)
[  696.232568][T11807]  ? kasan_save_track (mm/kasan/common.c:78)
[  696.232569][T11807]  ? __kasan_kmalloc (mm/kasan/common.c:398 mm/kasan/common.c:415)
[  696.232572][T11807]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[  696.232574][T11807]  ? snd_ac97_proc_read_main (sound/pci/ac97/ac97_proc.c:320)
[  696.232577][T11807]  ? ___sys_sendmsg (net/socket.c:2758)
[  696.232581][T11807]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2))
[  696.232589][T11807]  ? rtnl_newlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:366 net/core/rtnetlink.c:4214)
[  696.232591][T11807]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  696.232593][T11807]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  696.232595][T11807]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  696.232596][T11807]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  696.232598][T11807]  ? trace_contention_end (./include/trace/events/lock.h:121 (discriminator 22))
[  696.232600][T11807]  ? __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)
[  696.232602][T11807]  ? __mutex_lock (kernel/locking/mutex.c:656 (discriminator 1) kernel/locking/mutex.c:821 (discriminator 1))
[  696.232604][T11807]  ? rtnl_newlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:366 net/core/rtnetlink.c:4214)
[  696.232608][T11807]  ? ww_mutex_lock (kernel/locking/mutex.c:934)
[  696.232609][T11807]  ? nla_get_range_signed (lib/nlattr.c:270)
[  696.232614][T11807]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  696.232616][T11807]  ? __rtnl_newlink (net/core/rtnetlink.c:4063)
[  696.232622][T11807]  rtnl_newlink (net/core/rtnetlink.c:4215)
[  696.232627][T11807]  ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558)
[  696.232629][T11807]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[  696.232634][T11807]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2))
[  696.232636][T11807]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[  696.232638][T11807]  ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558)
[  696.232640][T11807]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554)
[  696.232644][T11807]  ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558)
[  696.232646][T11807]  rtnetlink_rcv_msg (net/core/rtnetlink.c:7132)
[  696.232649][T11807]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[  696.232651][T11807]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[  696.232655][T11807]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2))
[  696.232657][T11807]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[  696.232661][T11807]  netlink_rcv_skb (net/netlink/af_netlink.c:2556)
[  696.232664][T11807]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[  696.232667][T11807]  ? netlink_ack (./include/linux/skbuff.h:2718)
[  696.232674][T11807]  ? 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))
[  696.232676][T11807]  ? 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))
[  696.232680][T11807]  netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[  696.232685][T11807]  ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[  696.232687][T11807]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[  696.232692][T11807]  netlink_sendmsg (net/netlink/af_netlink.c:1900)
[  696.232696][T11807]  ? netlink_unicast (./include/net/net_namespace.h:422 (discriminator 7))
[  696.232700][T11807]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554)
[  696.232701][T11807]  ? __import_iovec (lib/iov_iter.c:1358 lib/iov_iter.c:1373)
[  696.232707][T11807]  __sock_sendmsg (net/socket.c:800 (discriminator 4) net/socket.c:815 (discriminator 4))
[  696.232710][T11807]  ____sys_sendmsg (net/socket.c:2713)
[  696.232712][T11807]  ? copy_msghdr_from_user (net/socket.c:2650)
[  696.232715][T11807]  ? sock_write_iter (net/socket.c:1269)
[  696.232717][T11807]  ? move_addr_to_kernel (net/socket.c:258)
[  696.232724][T11807]  ___sys_sendmsg (net/socket.c:2767)
[  696.232727][T11807]  ? copy_msghdr_from_user (net/socket.c:2619)
[  696.232744][T11807]  __sys_sendmsg (net/socket.c:2799)
[  696.232747][T11807]  ? __sys_sendmsg_sock (net/socket.c:2780)
[  696.232753][T11807]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  696.232757][T11807]  do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84)
[  696.232760][T11807]  ? exc_page_fault (arch/x86/mm/fault.c:1489 (discriminator 3) arch/x86/mm/fault.c:1536 (discriminator 3))
[  696.232763][T11807]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[  696.232765][T11807] RIP: 0033:0x7f762855854e
[  696.232770][T11807] 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
[  696.232771][T11807] RSP: 002b:00007ffc18f87e50 EFLAGS: 00000202 ORIG_RAX: 000000000000002e
[  696.232774][T11807] RAX: ffffffffffffffda RBX: 0000000000000005 RCX: 00007f762855854e
[  696.232776][T11807] RDX: 0000000000000000 RSI: 00007ffc18f87f00 RDI: 0000000000000005
[  696.232777][T11807] RBP: 00007ffc18f87e60 R08: 0000000000000000 R09: 0000000000000000
[  696.232778][T11807] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a91a74f
[  696.232779][T11807] R13: 00000000004a1620 R14: 0000000000000000 R15: 00007ffc18f885d0
| [  705.096485][T11950] softirqs last disabled at (17812): netif_change_name (./include/linux/spinlock.h:353 ./include/linux/seqlock.h:908 net/core/dev.c:1499)
| [  705.096488][T11950] Preemption disabled at:
| [  705.096488][T11950] vprintk_emit (kernel/printk/printk.c:2471)
| [  705.096497][T11950] Tainted: [W]=WARN
[  705.096498][T11950] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[  705.096500][T11950] Call Trace:
[  705.096501][T11950]  <TASK>
[  705.096503][T11950]  dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120)
[  705.096510][T11950]  ? vprintk_emit (kernel/printk/printk.c:2471)
[  705.096511][T11950]  __might_resched.cold (kernel/sched/core.c:9234)
[  705.096516][T11950]  ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3))
[  705.096521][T11950]  ? __kmalloc_noprof (./include/linux/sched/mm.h:317 mm/slub.c:4636 mm/slub.c:4974 mm/slub.c:5413 mm/slub.c:5439)
[  705.096525][T11950]  __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))
[  705.096527][T11950]  ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[  705.096534][T11950]  ? 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)
[  705.096537][T11950]  alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[  705.096541][T11950]  put_chars (drivers/char/virtio_console.c:1176)
[  705.096545][T11950]  ? __send_to_port (drivers/char/virtio_console.c:654)
[  705.096554][T11950]  hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2))
[  705.096562][T11950]  ? hvc_write (drivers/tty/hvc/hvc_console.c:501)
[  705.096565][T11950]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  705.096570][T11950]  console_emit_next_record (kernel/printk/printk.c:3183)
[  705.096575][T11950]  ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20)
[  705.096577][T11950]  ? 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))
[  705.096580][T11950]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  705.096583][T11950]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  705.096587][T11950]  console_flush_one_record (kernel/printk/printk.c:3268)
[  705.096592][T11950]  ? console_emit_next_record (kernel/printk/printk.c:3150)
[  705.096594][T11950]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[  705.096599][T11950]  console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420)
[  705.096602][T11950]  ? console_flush_one_record (kernel/printk/printk.c:3316)
[  705.096604][T11950]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  705.096606][T11950]  ? 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)
[  705.096610][T11950]  ? __down_trylock_console_sem (kernel/printk/printk.c:334)
[  705.096612][T11950]  ? vprintk_emit (kernel/printk/printk.c:2478)
[  705.096614][T11950]  vprintk_emit (kernel/printk/printk.c:2479)
[  705.096618][T11950]  ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126))
[  705.096621][T11950]  ? _mutex_trylock_nest_lock (kernel/locking/mutex.c:1227 (discriminator 6))
[  705.096626][T11950]  _printk (kernel/printk/printk.c:2504)
[  705.096630][T11950]  ? snapshot_read.cold (user.c:?)
[  705.096632][T11950]  ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4116 (discriminator 3) kernel/rcu/tree.c:4108 (discriminator 3))
[  705.096634][T11950]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380)
[  705.096637][T11950]  ? validate_chain (kernel/locking/lockdep.c:3817 (discriminator 2) kernel/locking/lockdep.c:3837 (discriminator 2) kernel/locking/lockdep.c:3892 (discriminator 2))
[  705.096639][T11950]  ? netdev_name (./include/linux/netdevice.h:5709 (discriminator 1))
[  705.096643][T11950]  ? __netdev_printk (net/core/dev.c:13148 (discriminator 2))
[  705.096646][T11950]  ? do_setlink.isra.0 (net/core/rtnetlink.c:3246)
[  705.096656][T11950]  netdev_info (net/core/dev.c:13195 (discriminator 3))
[  705.096659][T11950]  ? netdev_notice (net/core/dev.c:13194)
[  705.096662][T11950]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[  705.096665][T11950]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554)
[  705.096668][T11950]  ? mark_held_locks (kernel/locking/lockdep.c:4341)
[  705.096672][T11950]  ? do_setlink.isra.0 (net/core/rtnetlink.c:3246)
[  705.096674][T11950]  netif_change_name.cold (net/core/dev.c:1507 (discriminator 3))
[  705.096677][T11950]  ? register_netdev (net/core/dev.c:11618)
[  705.096678][T11950]  ? 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))
[  705.096684][T11950]  ? netdev_adjacent_rename_links (net/core/dev.c:9598)
[  705.096686][T11950]  ? __kernel_text_address (kernel/extable.c:79)
[  705.096689][T11950]  ? write_profile (profile.c:?)
[  705.096693][T11950]  ? __asan_memset (mm/kasan/shadow.c:84 (discriminator 1))
[  705.096699][T11950]  do_setlink.isra.0 (net/core/rtnetlink.c:3246)
[  705.096703][T11950]  ? stack_trace_save (kernel/stacktrace.c:122 (discriminator 1))
[  705.096705][T11950]  ? rtnl_link_get_size (net/core/rtnetlink.c:747)
[  705.096707][T11950]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:388 kernel/rcu/update.c:380)
[  705.096709][T11950]  ? stack_depot_save_flags (lib/stackdepot.c:609 (discriminator 2) lib/stackdepot.c:676 (discriminator 2))
[  705.096712][T11950]  ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4116 (discriminator 3) kernel/rcu/tree.c:4108 (discriminator 3))
[  705.096714][T11950]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380)
[  705.096716][T11950]  ? validate_chain (kernel/locking/lockdep.c:3817 (discriminator 2) kernel/locking/lockdep.c:3837 (discriminator 2) kernel/locking/lockdep.c:3892 (discriminator 2))
[  705.096719][T11950]  ? kasan_save_stack (mm/kasan/common.c:58)
[  705.096721][T11950]  ? kasan_save_stack (mm/kasan/common.c:57)
[  705.096722][T11950]  ? kasan_save_track (mm/kasan/common.c:78)
[  705.096723][T11950]  ? __kasan_kmalloc (mm/kasan/common.c:398 mm/kasan/common.c:415)
[  705.096726][T11950]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[  705.096728][T11950]  ? snd_ac97_proc_read_main (sound/pci/ac97/ac97_proc.c:320)
[  705.096731][T11950]  ? ___sys_sendmsg (net/socket.c:2758)
[  705.096735][T11950]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2))
[  705.096737][T11950]  ? rtnl_newlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:366 net/core/rtnetlink.c:4214)
[  705.096740][T11950]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  705.096742][T11950]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  705.096743][T11950]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  705.096745][T11950]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  705.096746][T11950]  ? trace_contention_end (./include/trace/events/lock.h:121 (discriminator 22))
[  705.096749][T11950]  ? __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)
[  705.096750][T11950]  ? __mutex_lock (kernel/locking/mutex.c:656 (discriminator 1) kernel/locking/mutex.c:821 (discriminator 1))
[  705.096752][T11950]  ? rtnl_newlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:366 net/core/rtnetlink.c:4214)
[  705.096756][T11950]  ? ww_mutex_lock (kernel/locking/mutex.c:934)
[  705.096757][T11950]  ? nla_get_range_signed (lib/nlattr.c:270)
[  705.096763][T11950]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  705.096765][T11950]  ? __rtnl_newlink (net/core/rtnetlink.c:4063)
[  705.096770][T11950]  rtnl_newlink (net/core/rtnetlink.c:4215)
[  705.096776][T11950]  ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558)
[  705.096778][T11950]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[  705.096783][T11950]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2))
[  705.096788][T11950]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[  705.096790][T11950]  ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558)
[  705.096792][T11950]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554)
[  705.096796][T11950]  ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558)
[  705.096798][T11950]  rtnetlink_rcv_msg (net/core/rtnetlink.c:7132)
[  705.096801][T11950]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[  705.096803][T11950]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[  705.096807][T11950]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2))
[  705.096810][T11950]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[  705.096813][T11950]  netlink_rcv_skb (net/netlink/af_netlink.c:2556)
[  705.096817][T11950]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[  705.096820][T11950]  ? netlink_ack (./include/linux/skbuff.h:2718)
[  705.096826][T11950]  ? 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))
[  705.096828][T11950]  ? 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))
[  705.096833][T11950]  netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[  705.096837][T11950]  ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[  705.096840][T11950]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[  705.096845][T11950]  netlink_sendmsg (net/netlink/af_netlink.c:1900)
[  705.096849][T11950]  ? netlink_unicast (./include/net/net_namespace.h:422 (discriminator 7))
[  705.096853][T11950]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554)
[  705.096854][T11950]  ? __import_iovec (lib/iov_iter.c:1358 lib/iov_iter.c:1373)
[  705.096860][T11950]  __sock_sendmsg (net/socket.c:800 (discriminator 4) net/socket.c:815 (discriminator 4))
[  705.096863][T11950]  ____sys_sendmsg (net/socket.c:2713)
[  705.096866][T11950]  ? copy_msghdr_from_user (net/socket.c:2650)
[  705.096868][T11950]  ? sock_write_iter (net/socket.c:1269)
[  705.096870][T11950]  ? move_addr_to_kernel (net/socket.c:258)
[  705.096877][T11950]  ___sys_sendmsg (net/socket.c:2767)
[  705.096880][T11950]  ? copy_msghdr_from_user (net/socket.c:2619)
[  705.096897][T11950]  __sys_sendmsg (net/socket.c:2799)
[  705.096900][T11950]  ? __sys_sendmsg_sock (net/socket.c:2780)
[  705.096906][T11950]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  705.096910][T11950]  do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84)
[  705.096913][T11950]  ? exc_page_fault (arch/x86/mm/fault.c:1489 (discriminator 3) arch/x86/mm/fault.c:1536 (discriminator 3))
[  705.096916][T11950]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[  705.096918][T11950] RIP: 0033:0x7fd4bdb9d54e
[  705.096922][T11950] 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
[  705.096924][T11950] RSP: 002b:00007ffd0a627a20 EFLAGS: 00000202 ORIG_RAX: 000000000000002e
[  705.096927][T11950] RAX: ffffffffffffffda RBX: 0000000000000005 RCX: 00007fd4bdb9d54e
[  705.096929][T11950] RDX: 0000000000000000 RSI: 00007ffd0a627ad0 RDI: 0000000000000005
[  705.096930][T11950] RBP: 00007ffd0a627a30 R08: 0000000000000000 R09: 0000000000000000
[  705.096930][T11950] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a91a758
[  705.096931][T11950] R13: 00000000004a1620 R14: 0000000000000000 R15: 00007ffd0a6281a0
| [  713.965439][T12094] softirqs last disabled at (27266): netif_change_name (./include/linux/spinlock.h:353 ./include/linux/seqlock.h:908 net/core/dev.c:1499)
| [  713.965441][T12094] Preemption disabled at:
| [  713.965442][T12094] vprintk_emit (kernel/printk/printk.c:2471)
| [  713.965451][T12094] Tainted: [W]=WARN
[  713.965452][T12094] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[  713.965453][T12094] Call Trace:
[  713.965455][T12094]  <TASK>
[  713.965457][T12094]  dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120)
[  713.965463][T12094]  ? vprintk_emit (kernel/printk/printk.c:2471)
[  713.965465][T12094]  __might_resched.cold (kernel/sched/core.c:9234)
[  713.965469][T12094]  ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3))
[  713.965474][T12094]  ? __kmalloc_noprof (./include/linux/sched/mm.h:317 mm/slub.c:4636 mm/slub.c:4974 mm/slub.c:5413 mm/slub.c:5439)
[  713.965478][T12094]  __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))
[  713.965480][T12094]  ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[  713.965487][T12094]  ? 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)
[  713.965490][T12094]  alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[  713.965494][T12094]  put_chars (drivers/char/virtio_console.c:1176)
[  713.965497][T12094]  ? __send_to_port (drivers/char/virtio_console.c:654)
[  713.965503][T12094]  hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2))
[  713.965512][T12094]  ? hvc_write (drivers/tty/hvc/hvc_console.c:501)
[  713.965515][T12094]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  713.965520][T12094]  console_emit_next_record (kernel/printk/printk.c:3183)
[  713.965524][T12094]  ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20)
[  713.965526][T12094]  ? 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))
[  713.965530][T12094]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  713.965532][T12094]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  713.965537][T12094]  console_flush_one_record (kernel/printk/printk.c:3268)
[  713.965542][T12094]  ? console_emit_next_record (kernel/printk/printk.c:3150)
[  713.965545][T12094]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[  713.965553][T12094]  console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420)
[  713.965556][T12094]  ? console_flush_one_record (kernel/printk/printk.c:3316)
[  713.965558][T12094]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  713.965560][T12094]  ? 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)
[  713.965564][T12094]  ? __down_trylock_console_sem (kernel/printk/printk.c:334)
[  713.965566][T12094]  ? vprintk_emit (kernel/printk/printk.c:2478)
[  713.965569][T12094]  vprintk_emit (kernel/printk/printk.c:2479)
[  713.965572][T12094]  ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126))
[  713.965575][T12094]  ? _mutex_trylock_nest_lock (kernel/locking/mutex.c:1227 (discriminator 6))
[  713.965580][T12094]  _printk (kernel/printk/printk.c:2504)
[  713.965584][T12094]  ? snapshot_read.cold (user.c:?)
[  713.965586][T12094]  ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4116 (discriminator 3) kernel/rcu/tree.c:4108 (discriminator 3))
[  713.965589][T12094]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380)
[  713.965592][T12094]  ? validate_chain (kernel/locking/lockdep.c:3817 (discriminator 2) kernel/locking/lockdep.c:3837 (discriminator 2) kernel/locking/lockdep.c:3892 (discriminator 2))
[  713.965594][T12094]  ? netdev_name (./include/linux/netdevice.h:5709 (discriminator 1))
[  713.965598][T12094]  ? __netdev_printk (net/core/dev.c:13148 (discriminator 2))
[  713.965601][T12094]  ? do_setlink.isra.0 (net/core/rtnetlink.c:3246)
[  713.965604][T12094]  netdev_info (net/core/dev.c:13195 (discriminator 3))
[  713.965607][T12094]  ? netdev_notice (net/core/dev.c:13194)
[  713.965610][T12094]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[  713.965613][T12094]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554)
[  713.965616][T12094]  ? mark_held_locks (kernel/locking/lockdep.c:4341)
[  713.965619][T12094]  ? do_setlink.isra.0 (net/core/rtnetlink.c:3246)
[  713.965621][T12094]  netif_change_name.cold (net/core/dev.c:1507 (discriminator 3))
[  713.965624][T12094]  ? register_netdev (net/core/dev.c:11618)
[  713.965625][T12094]  ? 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))
[  713.965631][T12094]  ? netdev_adjacent_rename_links (net/core/dev.c:9598)
[  713.965633][T12094]  ? __kernel_text_address (kernel/extable.c:79)
[  713.965636][T12094]  ? write_profile (profile.c:?)
[  713.965640][T12094]  ? __asan_memset (mm/kasan/shadow.c:84 (discriminator 1))
[  713.965646][T12094]  do_setlink.isra.0 (net/core/rtnetlink.c:3246)
[  713.965650][T12094]  ? stack_trace_save (kernel/stacktrace.c:122 (discriminator 1))
[  713.965652][T12094]  ? rtnl_link_get_size (net/core/rtnetlink.c:747)
[  713.965653][T12094]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:388 kernel/rcu/update.c:380)
[  713.965655][T12094]  ? stack_depot_save_flags (lib/stackdepot.c:609 (discriminator 2) lib/stackdepot.c:676 (discriminator 2))
[  713.965659][T12094]  ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4116 (discriminator 3) kernel/rcu/tree.c:4108 (discriminator 3))
[  713.965661][T12094]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380)
[  713.965663][T12094]  ? validate_chain (kernel/locking/lockdep.c:3817 (discriminator 2) kernel/locking/lockdep.c:3837 (discriminator 2) kernel/locking/lockdep.c:3892 (discriminator 2))
[  713.965665][T12094]  ? kasan_save_stack (mm/kasan/common.c:58)
[  713.965667][T12094]  ? kasan_save_stack (mm/kasan/common.c:57)
[  713.965669][T12094]  ? kasan_save_track (mm/kasan/common.c:78)
[  713.965670][T12094]  ? __kasan_kmalloc (mm/kasan/common.c:398 mm/kasan/common.c:415)
[  713.965672][T12094]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[  713.965674][T12094]  ? snd_ac97_proc_read_main (sound/pci/ac97/ac97_proc.c:320)
[  713.965677][T12094]  ? ___sys_sendmsg (net/socket.c:2758)
[  713.965681][T12094]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2))
[  713.965683][T12094]  ? rtnl_newlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:366 net/core/rtnetlink.c:4214)
[  713.965686][T12094]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  713.965688][T12094]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  713.965689][T12094]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  713.965691][T12094]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  713.965692][T12094]  ? trace_contention_end (./include/trace/events/lock.h:121 (discriminator 22))
[  713.965695][T12094]  ? __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)
[  713.965697][T12094]  ? __mutex_lock (kernel/locking/mutex.c:656 (discriminator 1) kernel/locking/mutex.c:821 (discriminator 1))
[  713.965699][T12094]  ? rtnl_newlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:366 net/core/rtnetlink.c:4214)
[  713.965702][T12094]  ? ww_mutex_lock (kernel/locking/mutex.c:934)
[  713.965704][T12094]  ? nla_get_range_signed (lib/nlattr.c:270)
[  713.965709][T12094]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  713.965711][T12094]  ? __rtnl_newlink (net/core/rtnetlink.c:4063)
[  713.965723][T12094]  rtnl_newlink (net/core/rtnetlink.c:4215)
[  713.965729][T12094]  ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558)
[  713.965731][T12094]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[  713.965736][T12094]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2))
[  713.965738][T12094]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[  713.965740][T12094]  ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558)
[  713.965742][T12094]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554)
[  713.965746][T12094]  ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558)
[  713.965748][T12094]  rtnetlink_rcv_msg (net/core/rtnetlink.c:7132)
[  713.965751][T12094]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[  713.965753][T12094]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[  713.965757][T12094]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2))
[  713.965759][T12094]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[  713.965763][T12094]  netlink_rcv_skb (net/netlink/af_netlink.c:2556)
[  713.965766][T12094]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[  713.965769][T12094]  ? netlink_ack (./include/linux/skbuff.h:2718)
[  713.965776][T12094]  ? 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))
[  713.965778][T12094]  ? 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))
[  713.965783][T12094]  netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[  713.965790][T12094]  ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[  713.965793][T12094]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[  713.965797][T12094]  netlink_sendmsg (net/netlink/af_netlink.c:1900)
[  713.965801][T12094]  ? netlink_unicast (./include/net/net_namespace.h:422 (discriminator 7))
[  713.965805][T12094]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554)
[  713.965807][T12094]  ? __import_iovec (lib/iov_iter.c:1358 lib/iov_iter.c:1373)
[  713.965813][T12094]  __sock_sendmsg (net/socket.c:800 (discriminator 4) net/socket.c:815 (discriminator 4))
[  713.965816][T12094]  ____sys_sendmsg (net/socket.c:2713)
[  713.965818][T12094]  ? copy_msghdr_from_user (net/socket.c:2650)
[  713.965821][T12094]  ? sock_write_iter (net/socket.c:1269)
[  713.965822][T12094]  ? move_addr_to_kernel (net/socket.c:258)
[  713.965830][T12094]  ___sys_sendmsg (net/socket.c:2767)
[  713.965833][T12094]  ? copy_msghdr_from_user (net/socket.c:2619)
[  713.965849][T12094]  __sys_sendmsg (net/socket.c:2799)
[  713.965852][T12094]  ? __sys_sendmsg_sock (net/socket.c:2780)
[  713.965859][T12094]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  713.965862][T12094]  do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84)
[  713.965865][T12094]  ? exc_page_fault (arch/x86/mm/fault.c:1489 (discriminator 3) arch/x86/mm/fault.c:1536 (discriminator 3))
[  713.965868][T12094]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[  713.965871][T12094] RIP: 0033:0x7f34577bc54e
[  713.965875][T12094] 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
[  713.965877][T12094] RSP: 002b:00007ffe0caec470 EFLAGS: 00000202 ORIG_RAX: 000000000000002e
[  713.965880][T12094] RAX: ffffffffffffffda RBX: 0000000000000005 RCX: 00007f34577bc54e
[  713.965881][T12094] RDX: 0000000000000000 RSI: 00007ffe0caec520 RDI: 0000000000000005
[  713.965882][T12094] RBP: 00007ffe0caec480 R08: 0000000000000000 R09: 0000000000000000
[  713.965883][T12094] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a91a761
[  713.965885][T12094] R13: 00000000004a1620 R14: 0000000000000000 R15: 00007ffe0caecbf0
| [  722.830504][T12237] softirqs last disabled at (23768): netif_change_name (./include/linux/spinlock.h:353 ./include/linux/seqlock.h:908 net/core/dev.c:1499)
| [  722.830506][T12237] Preemption disabled at:
| [  722.830507][T12237] vprintk_emit (kernel/printk/printk.c:2471)
| [  722.830516][T12237] Tainted: [W]=WARN
[  722.830517][T12237] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[  722.830518][T12237] Call Trace:
[  722.830520][T12237]  <TASK>
[  722.830522][T12237]  dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120)
[  722.830528][T12237]  ? vprintk_emit (kernel/printk/printk.c:2471)
[  722.830530][T12237]  __might_resched.cold (kernel/sched/core.c:9234)
[  722.830534][T12237]  ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3))
[  722.830539][T12237]  ? __kmalloc_noprof (./include/linux/sched/mm.h:317 mm/slub.c:4636 mm/slub.c:4974 mm/slub.c:5413 mm/slub.c:5439)
[  722.830545][T12237]  __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))
[  722.830548][T12237]  ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[  722.830556][T12237]  ? 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)
[  722.830558][T12237]  alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[  722.830562][T12237]  put_chars (drivers/char/virtio_console.c:1176)
[  722.830565][T12237]  ? __send_to_port (drivers/char/virtio_console.c:654)
[  722.830571][T12237]  hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2))
[  722.830579][T12237]  ? hvc_write (drivers/tty/hvc/hvc_console.c:501)
[  722.830582][T12237]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  722.830587][T12237]  console_emit_next_record (kernel/printk/printk.c:3183)
[  722.830591][T12237]  ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20)
[  722.830593][T12237]  ? 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))
[  722.830597][T12237]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  722.830599][T12237]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  722.830604][T12237]  console_flush_one_record (kernel/printk/printk.c:3268)
[  722.830608][T12237]  ? console_emit_next_record (kernel/printk/printk.c:3150)
[  722.830610][T12237]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[  722.830615][T12237]  console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420)
[  722.830618][T12237]  ? console_flush_one_record (kernel/printk/printk.c:3316)
[  722.830620][T12237]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  722.830622][T12237]  ? 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)
[  722.830626][T12237]  ? __down_trylock_console_sem (kernel/printk/printk.c:334)
[  722.830628][T12237]  ? vprintk_emit (kernel/printk/printk.c:2478)
[  722.830630][T12237]  vprintk_emit (kernel/printk/printk.c:2479)
[  722.830634][T12237]  ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126))
[  722.830636][T12237]  ? _mutex_trylock_nest_lock (kernel/locking/mutex.c:1227 (discriminator 6))
[  722.830642][T12237]  _printk (kernel/printk/printk.c:2504)
[  722.830645][T12237]  ? snapshot_read.cold (user.c:?)
[  722.830647][T12237]  ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4116 (discriminator 3) kernel/rcu/tree.c:4108 (discriminator 3))
[  722.830650][T12237]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380)
[  722.830653][T12237]  ? validate_chain (kernel/locking/lockdep.c:3817 (discriminator 2) kernel/locking/lockdep.c:3837 (discriminator 2) kernel/locking/lockdep.c:3892 (discriminator 2))
[  722.830655][T12237]  ? netdev_name (./include/linux/netdevice.h:5709 (discriminator 1))
[  722.830659][T12237]  ? __netdev_printk (net/core/dev.c:13148 (discriminator 2))
[  722.830662][T12237]  ? do_setlink.isra.0 (net/core/rtnetlink.c:3246)
[  722.830664][T12237]  netdev_info (net/core/dev.c:13195 (discriminator 3))
[  722.830667][T12237]  ? netdev_notice (net/core/dev.c:13194)
[  722.830670][T12237]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[  722.830673][T12237]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554)
[  722.830676][T12237]  ? mark_held_locks (kernel/locking/lockdep.c:4341)
[  722.830680][T12237]  ? do_setlink.isra.0 (net/core/rtnetlink.c:3246)
[  722.830682][T12237]  netif_change_name.cold (net/core/dev.c:1507 (discriminator 3))
[  722.830684][T12237]  ? register_netdev (net/core/dev.c:11618)
[  722.830685][T12237]  ? 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))
[  722.830691][T12237]  ? netdev_adjacent_rename_links (net/core/dev.c:9598)
[  722.830694][T12237]  ? __kernel_text_address (kernel/extable.c:79)
[  722.830696][T12237]  ? write_profile (profile.c:?)
[  722.830700][T12237]  ? __asan_memset (mm/kasan/shadow.c:84 (discriminator 1))
[  722.830706][T12237]  do_setlink.isra.0 (net/core/rtnetlink.c:3246)
[  722.830710][T12237]  ? stack_trace_save (kernel/stacktrace.c:122 (discriminator 1))
[  722.830712][T12237]  ? rtnl_link_get_size (net/core/rtnetlink.c:747)
[  722.830713][T12237]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:388 kernel/rcu/update.c:380)
[  722.830715][T12237]  ? stack_depot_save_flags (lib/stackdepot.c:609 (discriminator 2) lib/stackdepot.c:676 (discriminator 2))
[  722.830719][T12237]  ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4116 (discriminator 3) kernel/rcu/tree.c:4108 (discriminator 3))
[  722.830721][T12237]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380)
[  722.830723][T12237]  ? validate_chain (kernel/locking/lockdep.c:3817 (discriminator 2) kernel/locking/lockdep.c:3837 (discriminator 2) kernel/locking/lockdep.c:3892 (discriminator 2))
[  722.830725][T12237]  ? kasan_save_stack (mm/kasan/common.c:58)
[  722.830727][T12237]  ? kasan_save_stack (mm/kasan/common.c:57)
[  722.830728][T12237]  ? kasan_save_track (mm/kasan/common.c:78)
[  722.830730][T12237]  ? __kasan_kmalloc (mm/kasan/common.c:398 mm/kasan/common.c:415)
[  722.830732][T12237]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[  722.830734][T12237]  ? snd_ac97_proc_read_main (sound/pci/ac97/ac97_proc.c:320)
[  722.830737][T12237]  ? ___sys_sendmsg (net/socket.c:2758)
[  722.830741][T12237]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2))
[  722.830743][T12237]  ? rtnl_newlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:366 net/core/rtnetlink.c:4214)
[  722.830746][T12237]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  722.830748][T12237]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  722.830749][T12237]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  722.830750][T12237]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  722.830752][T12237]  ? trace_contention_end (./include/trace/events/lock.h:121 (discriminator 22))
[  722.830755][T12237]  ? __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)
[  722.830756][T12237]  ? __mutex_lock (kernel/locking/mutex.c:656 (discriminator 1) kernel/locking/mutex.c:821 (discriminator 1))
[  722.830758][T12237]  ? rtnl_newlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:366 net/core/rtnetlink.c:4214)
[  722.830762][T12237]  ? ww_mutex_lock (kernel/locking/mutex.c:934)
[  722.830763][T12237]  ? nla_get_range_signed (lib/nlattr.c:270)
[  722.830768][T12237]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  722.830771][T12237]  ? __rtnl_newlink (net/core/rtnetlink.c:4063)
[  722.830776][T12237]  rtnl_newlink (net/core/rtnetlink.c:4215)
[  722.830788][T12237]  ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558)
[  722.830791][T12237]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[  722.830795][T12237]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2))
[  722.830797][T12237]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[  722.830799][T12237]  ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558)
[  722.830801][T12237]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554)
[  722.830805][T12237]  ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558)
[  722.830807][T12237]  rtnetlink_rcv_msg (net/core/rtnetlink.c:7132)
[  722.830811][T12237]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[  722.830812][T12237]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[  722.830817][T12237]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2))
[  722.830819][T12237]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[  722.830822][T12237]  netlink_rcv_skb (net/netlink/af_netlink.c:2556)
[  722.830826][T12237]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[  722.830829][T12237]  ? netlink_ack (./include/linux/skbuff.h:2718)
[  722.830835][T12237]  ? 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))
[  722.830837][T12237]  ? 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))
[  722.830842][T12237]  netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[  722.830846][T12237]  ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[  722.830849][T12237]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[  722.830853][T12237]  netlink_sendmsg (net/netlink/af_netlink.c:1900)
[  722.830857][T12237]  ? netlink_unicast (./include/net/net_namespace.h:422 (discriminator 7))
[  722.830861][T12237]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554)
[  722.830863][T12237]  ? __import_iovec (lib/iov_iter.c:1358 lib/iov_iter.c:1373)
[  722.830868][T12237]  __sock_sendmsg (net/socket.c:800 (discriminator 4) net/socket.c:815 (discriminator 4))
[  722.830871][T12237]  ____sys_sendmsg (net/socket.c:2713)
[  722.830873][T12237]  ? copy_msghdr_from_user (net/socket.c:2650)
[  722.830876][T12237]  ? sock_write_iter (net/socket.c:1269)
[  722.830878][T12237]  ? move_addr_to_kernel (net/socket.c:258)
[  722.830885][T12237]  ___sys_sendmsg (net/socket.c:2767)
[  722.830888][T12237]  ? copy_msghdr_from_user (net/socket.c:2619)
[  722.830904][T12237]  __sys_sendmsg (net/socket.c:2799)
[  722.830907][T12237]  ? __sys_sendmsg_sock (net/socket.c:2780)
[  722.830914][T12237]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  722.830917][T12237]  do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84)
[  722.830920][T12237]  ? exc_page_fault (arch/x86/mm/fault.c:1489 (discriminator 3) arch/x86/mm/fault.c:1536 (discriminator 3))
[  722.830923][T12237]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[  722.830925][T12237] RIP: 0033:0x7f0f7b91954e
[  722.830929][T12237] 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
[  722.830931][T12237] RSP: 002b:00007ffd84d3e450 EFLAGS: 00000202 ORIG_RAX: 000000000000002e
[  722.830934][T12237] RAX: ffffffffffffffda RBX: 0000000000000005 RCX: 00007f0f7b91954e
[  722.830936][T12237] RDX: 0000000000000000 RSI: 00007ffd84d3e500 RDI: 0000000000000005
[  722.830937][T12237] RBP: 00007ffd84d3e460 R08: 0000000000000000 R09: 0000000000000000
[  722.830938][T12237] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a91a76a
[  722.830939][T12237] R13: 00000000004a1620 R14: 0000000000000000 R15: 00007ffd84d3ebd0
| [  731.697491][T12380] softirqs last disabled at (27380): netif_change_name (./include/linux/spinlock.h:353 ./include/linux/seqlock.h:908 net/core/dev.c:1499)
| [  731.697494][T12380] Preemption disabled at:
| [  731.697495][T12380] vprintk_emit (kernel/printk/printk.c:2471)
| [  731.697503][T12380] Tainted: [W]=WARN
[  731.697504][T12380] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[  731.697506][T12380] Call Trace:
[  731.697507][T12380]  <TASK>
[  731.697509][T12380]  dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120)
[  731.697515][T12380]  ? vprintk_emit (kernel/printk/printk.c:2471)
[  731.697517][T12380]  __might_resched.cold (kernel/sched/core.c:9234)
[  731.697522][T12380]  ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3))
[  731.697526][T12380]  ? __kmalloc_noprof (./include/linux/sched/mm.h:317 mm/slub.c:4636 mm/slub.c:4974 mm/slub.c:5413 mm/slub.c:5439)
[  731.697531][T12380]  __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))
[  731.697533][T12380]  ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[  731.697540][T12380]  ? 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)
[  731.697544][T12380]  alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[  731.697550][T12380]  put_chars (drivers/char/virtio_console.c:1176)
[  731.697552][T12380]  ? __send_to_port (drivers/char/virtio_console.c:654)
[  731.697559][T12380]  hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2))
[  731.697567][T12380]  ? hvc_write (drivers/tty/hvc/hvc_console.c:501)
[  731.697570][T12380]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  731.697575][T12380]  console_emit_next_record (kernel/printk/printk.c:3183)
[  731.697579][T12380]  ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20)
[  731.697581][T12380]  ? 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))
[  731.697585][T12380]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  731.697587][T12380]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  731.697591][T12380]  console_flush_one_record (kernel/printk/printk.c:3268)
[  731.697596][T12380]  ? console_emit_next_record (kernel/printk/printk.c:3150)
[  731.697598][T12380]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[  731.697603][T12380]  console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420)
[  731.697606][T12380]  ? console_flush_one_record (kernel/printk/printk.c:3316)
[  731.697608][T12380]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  731.697610][T12380]  ? 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)
[  731.697614][T12380]  ? __down_trylock_console_sem (kernel/printk/printk.c:334)
[  731.697616][T12380]  ? vprintk_emit (kernel/printk/printk.c:2478)
[  731.697619][T12380]  vprintk_emit (kernel/printk/printk.c:2479)
[  731.697622][T12380]  ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126))
[  731.697625][T12380]  ? _mutex_trylock_nest_lock (kernel/locking/mutex.c:1227 (discriminator 6))
[  731.697630][T12380]  _printk (kernel/printk/printk.c:2504)
[  731.697633][T12380]  ? snapshot_read.cold (user.c:?)
[  731.697635][T12380]  ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4116 (discriminator 3) kernel/rcu/tree.c:4108 (discriminator 3))
[  731.697638][T12380]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380)
[  731.697641][T12380]  ? validate_chain (kernel/locking/lockdep.c:3817 (discriminator 2) kernel/locking/lockdep.c:3837 (discriminator 2) kernel/locking/lockdep.c:3892 (discriminator 2))
[  731.697643][T12380]  ? netdev_name (./include/linux/netdevice.h:5709 (discriminator 1))
[  731.697647][T12380]  ? __netdev_printk (net/core/dev.c:13148 (discriminator 2))
[  731.697650][T12380]  ? do_setlink.isra.0 (net/core/rtnetlink.c:3246)
[  731.697652][T12380]  netdev_info (net/core/dev.c:13195 (discriminator 3))
[  731.697655][T12380]  ? netdev_notice (net/core/dev.c:13194)
[  731.697658][T12380]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[  731.697661][T12380]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554)
[  731.697664][T12380]  ? mark_held_locks (kernel/locking/lockdep.c:4341)
[  731.697668][T12380]  ? do_setlink.isra.0 (net/core/rtnetlink.c:3246)
[  731.697670][T12380]  netif_change_name.cold (net/core/dev.c:1507 (discriminator 3))
[  731.697672][T12380]  ? register_netdev (net/core/dev.c:11618)
[  731.697674][T12380]  ? 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))
[  731.697679][T12380]  ? netdev_adjacent_rename_links (net/core/dev.c:9598)
[  731.697682][T12380]  ? __kernel_text_address (kernel/extable.c:79)
[  731.697685][T12380]  ? write_profile (profile.c:?)
[  731.697689][T12380]  ? __asan_memset (mm/kasan/shadow.c:84 (discriminator 1))
[  731.697695][T12380]  do_setlink.isra.0 (net/core/rtnetlink.c:3246)
[  731.697698][T12380]  ? stack_trace_save (kernel/stacktrace.c:122 (discriminator 1))
[  731.697700][T12380]  ? rtnl_link_get_size (net/core/rtnetlink.c:747)
[  731.697702][T12380]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:388 kernel/rcu/update.c:380)
[  731.697704][T12380]  ? stack_depot_save_flags (lib/stackdepot.c:609 (discriminator 2) lib/stackdepot.c:676 (discriminator 2))
[  731.697707][T12380]  ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4116 (discriminator 3) kernel/rcu/tree.c:4108 (discriminator 3))
[  731.697709][T12380]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380)
[  731.697711][T12380]  ? validate_chain (kernel/locking/lockdep.c:3817 (discriminator 2) kernel/locking/lockdep.c:3837 (discriminator 2) kernel/locking/lockdep.c:3892 (discriminator 2))
[  731.697714][T12380]  ? kasan_save_stack (mm/kasan/common.c:58)
[  731.697716][T12380]  ? kasan_save_stack (mm/kasan/common.c:57)
[  731.697717][T12380]  ? kasan_save_track (mm/kasan/common.c:78)
[  731.697719][T12380]  ? __kasan_kmalloc (mm/kasan/common.c:398 mm/kasan/common.c:415)
[  731.697721][T12380]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[  731.697723][T12380]  ? snd_ac97_proc_read_main (sound/pci/ac97/ac97_proc.c:320)
[  731.697726][T12380]  ? ___sys_sendmsg (net/socket.c:2758)
[  731.697730][T12380]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2))
[  731.697732][T12380]  ? rtnl_newlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:366 net/core/rtnetlink.c:4214)
[  731.697735][T12380]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  731.697737][T12380]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  731.697738][T12380]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  731.697739][T12380]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  731.697741][T12380]  ? trace_contention_end (./include/trace/events/lock.h:121 (discriminator 22))
[  731.697744][T12380]  ? __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)
[  731.697745][T12380]  ? __mutex_lock (kernel/locking/mutex.c:656 (discriminator 1) kernel/locking/mutex.c:821 (discriminator 1))
[  731.697747][T12380]  ? rtnl_newlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:366 net/core/rtnetlink.c:4214)
[  731.697751][T12380]  ? ww_mutex_lock (kernel/locking/mutex.c:934)
[  731.697752][T12380]  ? nla_get_range_signed (lib/nlattr.c:270)
[  731.697757][T12380]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  731.697760][T12380]  ? __rtnl_newlink (net/core/rtnetlink.c:4063)
[  731.697765][T12380]  rtnl_newlink (net/core/rtnetlink.c:4215)
[  731.697771][T12380]  ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558)
[  731.697773][T12380]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[  731.697777][T12380]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2))
[  731.697779][T12380]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[  731.697781][T12380]  ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558)
[  731.697783][T12380]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554)
[  731.697790][T12380]  ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558)
[  731.697792][T12380]  rtnetlink_rcv_msg (net/core/rtnetlink.c:7132)
[  731.697796][T12380]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[  731.697797][T12380]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[  731.697802][T12380]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2))
[  731.697804][T12380]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[  731.697807][T12380]  netlink_rcv_skb (net/netlink/af_netlink.c:2556)
[  731.697811][T12380]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[  731.697814][T12380]  ? netlink_ack (./include/linux/skbuff.h:2718)
[  731.697820][T12380]  ? 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))
[  731.697822][T12380]  ? 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))
[  731.697827][T12380]  netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[  731.697831][T12380]  ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[  731.697834][T12380]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[  731.697839][T12380]  netlink_sendmsg (net/netlink/af_netlink.c:1900)
[  731.697843][T12380]  ? netlink_unicast (./include/net/net_namespace.h:422 (discriminator 7))
[  731.697853][T12380]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554)
[  731.697855][T12380]  ? __import_iovec (lib/iov_iter.c:1358 lib/iov_iter.c:1373)
[  731.697860][T12380]  __sock_sendmsg (net/socket.c:800 (discriminator 4) net/socket.c:815 (discriminator 4))
[  731.697863][T12380]  ____sys_sendmsg (net/socket.c:2713)
[  731.697865][T12380]  ? copy_msghdr_from_user (net/socket.c:2650)
[  731.697868][T12380]  ? sock_write_iter (net/socket.c:1269)
[  731.697870][T12380]  ? move_addr_to_kernel (net/socket.c:258)
[  731.697877][T12380]  ___sys_sendmsg (net/socket.c:2767)
[  731.697880][T12380]  ? copy_msghdr_from_user (net/socket.c:2619)
[  731.697897][T12380]  __sys_sendmsg (net/socket.c:2799)
[  731.697900][T12380]  ? __sys_sendmsg_sock (net/socket.c:2780)
[  731.697906][T12380]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  731.697910][T12380]  do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84)
[  731.697913][T12380]  ? exc_page_fault (arch/x86/mm/fault.c:1489 (discriminator 3) arch/x86/mm/fault.c:1536 (discriminator 3))
[  731.697916][T12380]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[  731.697918][T12380] RIP: 0033:0x7f67dc16f54e
[  731.697922][T12380] 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
[  731.697924][T12380] RSP: 002b:00007fff904483b0 EFLAGS: 00000202 ORIG_RAX: 000000000000002e
[  731.697927][T12380] RAX: ffffffffffffffda RBX: 0000000000000005 RCX: 00007f67dc16f54e
[  731.697929][T12380] RDX: 0000000000000000 RSI: 00007fff90448460 RDI: 0000000000000005
[  731.697930][T12380] RBP: 00007fff904483c0 R08: 0000000000000000 R09: 0000000000000000
[  731.697930][T12380] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a91a773


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