======================================
| [   11.678124][  T215] softirqs last disabled at (20909): __irq_exit_rcu (kernel/softirq.c:679 kernel/softirq.c:519 kernel/softirq.c:767)
| [   11.678127][  T215] Preemption disabled at:
| [   11.678127][  T215] 0x0
| [   11.678138][  T215] Tainted: [W]=WARN
[   11.678139][  T215] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   11.678141][  T215] Call Trace:
[   11.678143][  T215]  <TASK>
[   11.678144][  T215]  dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120)
[   11.678151][  T215]  __might_resched.cold (kernel/sched/core.c:9234)
[   11.678156][  T215]  ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3))
[   11.678160][  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)
[   11.678165][  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))
[   11.678167][  T215]  ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[   11.678175][  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)
[   11.678177][  T215]  alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[   11.678181][  T215]  put_chars (drivers/char/virtio_console.c:1176)
[   11.678184][  T215]  ? __send_to_port (drivers/char/virtio_console.c:654)
[   11.678185][  T215]  ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4116 (discriminator 3) kernel/rcu/tree.c:4108 (discriminator 3))
[   11.678189][  T215]  ? validate_chain (kernel/locking/lockdep.c:3817 (discriminator 2) kernel/locking/lockdep.c:3837 (discriminator 2) kernel/locking/lockdep.c:3892 (discriminator 2))
[   11.678195][  T215]  hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2))
[   11.678203][  T215]  ? hvc_write (drivers/tty/hvc/hvc_console.c:501)
[   11.678206][  T215]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   11.678208][  T215]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   11.678212][  T215]  console_emit_next_record (kernel/printk/printk.c:3183)
[   11.678217][  T215]  ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20)
[   11.678219][  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))
[   11.678223][  T215]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   11.678226][  T215]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   11.678233][  T215]  console_flush_one_record (kernel/printk/printk.c:3268)
[   11.678238][  T215]  ? console_emit_next_record (kernel/printk/printk.c:3150)
[   11.678240][  T215]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   11.678246][  T215]  console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420)
[   11.678252][  T215]  ? console_flush_one_record (kernel/printk/printk.c:3316)
[   11.678254][  T215]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   11.678256][  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)
[   11.678260][  T215]  ? __down_trylock_console_sem (kernel/printk/printk.c:334)
[   11.678262][  T215]  ? vprintk_emit (kernel/printk/printk.c:2478)
[   11.678265][  T215]  vprintk_emit (kernel/printk/printk.c:2479)
[   11.678268][  T215]  ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126))
[   11.678271][  T215]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   11.678275][  T215]  _printk (kernel/printk/printk.c:2504)
[   11.678279][  T215]  ? snapshot_read.cold (user.c:?)
[   11.678282][  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)
[   11.678285][  T215]  ? __rwlock_init (kernel/locking/spinlock_debug.c:48)
[   11.678289][  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)
[   11.678292][  T215]  do_exit.cold (kernel/exit.c:889 (discriminator 4) kernel/exit.c:1043 (discriminator 4))
[   11.678296][  T215]  ? exit_notify (kernel/exit.c:780)
[   11.678298][  T215]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554)
[   11.678301][  T215]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   11.678304][  T215]  do_group_exit (kernel/exit.c:1151)
[   11.678308][  T215]  __x64_sys_exit_group (kernel/exit.c:1162 kernel/exit.c:1160 kernel/exit.c:1160)
[   11.678310][  T215]  x64_sys_call (./arch/x86/include/generated/asm/syscalls_64.h:232)
[   11.678312][  T215]  do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84)
[   11.678317][  T215]  ? exc_page_fault (arch/x86/mm/fault.c:1489 (discriminator 3) arch/x86/mm/fault.c:1536 (discriminator 3))
[   11.678320][  T215]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[   11.678322][  T215] RIP: 0033:0x7feed3d701b8
[   11.678324][  T215] Code: Unable to access opcode bytes at 0x7feed3d7018e.

Code starting with the faulting instruction
===========================================
[   11.678326][  T215] RSP: 002b:00007fffbeaf4e58 EFLAGS: 00000246 ORIG_RAX: 00000000000000e7
[   11.678328][  T215] RAX: ffffffffffffffda RBX: 00007feed3ea0f88 RCX: 00007feed3d701b8
[   11.678330][  T215] RDX: 00007feed3abafc8 RSI: fffffffffffffeb8 RDI: 0000000000000000
[   11.678331][  T215] RBP: 00007fffbeaf4eb0 R08: 0000000000000000 R09: 0000000000000050
[   11.678332][  T215] R10: 00007fffbeaf4c70 R11: 0000000000000246 R12: 0000000000000001
[   11.678332][  T215] R13: 0000000000000000 R14: 00007feed3e9f680 R15: 00007feed3ea0fa0
| [   12.957259][  T246] softirqs last disabled at (29908): netif_change_name (./include/linux/spinlock.h:353 ./include/linux/seqlock.h:908 net/core/dev.c:1499)
| [   12.957262][  T246] Preemption disabled at:
| [   12.957263][  T246] vprintk_emit (kernel/printk/printk.c:2471)
| [   12.957272][  T246] Tainted: [W]=WARN
[   12.957273][  T246] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   12.957274][  T246] Call Trace:
[   12.957276][  T246]  <TASK>
[   12.957278][  T246]  dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120)
[   12.957284][  T246]  ? vprintk_emit (kernel/printk/printk.c:2471)
[   12.957286][  T246]  __might_resched.cold (kernel/sched/core.c:9234)
[   12.957291][  T246]  ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3))
[   12.957296][  T246]  ? __kmalloc_noprof (./include/linux/sched/mm.h:317 mm/slub.c:4636 mm/slub.c:4974 mm/slub.c:5413 mm/slub.c:5439)
[   12.957300][  T246]  __kmalloc_noprof (./include/linux/sched/mm.h:322 (discriminator 2) mm/slub.c:4636 (discriminator 2) mm/slub.c:4974 (discriminator 2) mm/slub.c:5413 (discriminator 2) mm/slub.c:5439 (discriminator 2))
[   12.957302][  T246]  ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[   12.957309][  T246]  ? do_raw_spin_unlock (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:32 ./include/asm-generic/qspinlock.h:58 kernel/locking/spinlock_debug.c:101 kernel/locking/spinlock_debug.c:141)
[   12.957312][  T246]  alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[   12.957316][  T246]  put_chars (drivers/char/virtio_console.c:1176)
[   12.957318][  T246]  ? __send_to_port (drivers/char/virtio_console.c:654)
[   12.957325][  T246]  hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2))
[   12.957332][  T246]  ? hvc_write (drivers/tty/hvc/hvc_console.c:501)
[   12.957336][  T246]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   12.957340][  T246]  console_emit_next_record (kernel/printk/printk.c:3183)
[   12.957344][  T246]  ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20)
[   12.957346][  T246]  ? console_flush_one_record (./include/linux/rcupdate.h:314 (discriminator 2) ./include/linux/srcu.h:439 (discriminator 2) kernel/printk/printk.c:291 (discriminator 2) kernel/printk/printk.c:3246 (discriminator 2))
[   12.957350][  T246]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   12.957352][  T246]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   12.957356][  T246]  console_flush_one_record (kernel/printk/printk.c:3268)
[   12.957361][  T246]  ? console_emit_next_record (kernel/printk/printk.c:3150)
[   12.957363][  T246]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   12.957375][  T246]  console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420)
[   12.957378][  T246]  ? console_flush_one_record (kernel/printk/printk.c:3316)
[   12.957380][  T246]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   12.957382][  T246]  ? lock_acquire (./include/linux/srcutree.h:374 ./include/linux/srcu.h:541 ./include/linux/srcu.h:645 ./include/trace/events/lock.h:23 ./include/trace/events/lock.h:23 kernel/locking/lockdep.c:5871)
[   12.957386][  T246]  ? __down_trylock_console_sem (kernel/printk/printk.c:334)
[   12.957388][  T246]  ? vprintk_emit (kernel/printk/printk.c:2478)
[   12.957391][  T246]  vprintk_emit (kernel/printk/printk.c:2479)
[   12.957394][  T246]  ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126))
[   12.957396][  T246]  ? save_trace (kernel/locking/lockdep.c:589)
[   12.957401][  T246]  _printk (kernel/printk/printk.c:2504)
[   12.957404][  T246]  ? snapshot_read.cold (user.c:?)
[   12.957408][  T246]  ? validate_chain (kernel/locking/lockdep.c:159 kernel/locking/lockdep.c:191 kernel/locking/lockdep.c:3928)
[   12.957411][  T246]  ? netdev_name (./include/linux/netdevice.h:5709 (discriminator 1))
[   12.957415][  T246]  ? __netdev_printk (net/core/dev.c:13148 (discriminator 2))
[   12.957417][  T246]  ? do_setlink.isra.0 (net/core/rtnetlink.c:3246)
[   12.957420][  T246]  netdev_info (net/core/dev.c:13195 (discriminator 3))
[   12.957423][  T246]  ? netdev_notice (net/core/dev.c:13194)
[   12.957426][  T246]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[   12.957429][  T246]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554)
[   12.957431][  T246]  ? mark_held_locks (kernel/locking/lockdep.c:4341)
[   12.957435][  T246]  ? do_setlink.isra.0 (net/core/rtnetlink.c:3246)
[   12.957437][  T246]  netif_change_name.cold (net/core/dev.c:1507 (discriminator 3))
[   12.957439][  T246]  ? register_netdev (net/core/dev.c:11618)
[   12.957441][  T246]  ? is_bpf_text_address (./include/linux/rcupdate.h:319 (discriminator 2) ./include/linux/rcupdate.h:880 (discriminator 2) kernel/bpf/core.c:751 (discriminator 2))
[   12.957446][  T246]  ? netdev_adjacent_rename_links (net/core/dev.c:9598)
[   12.957449][  T246]  ? __kernel_text_address (kernel/extable.c:79)
[   12.957451][  T246]  ? write_profile (profile.c:?)
[   12.957456][  T246]  ? __asan_memset (mm/kasan/shadow.c:84 (discriminator 1))
[   12.957461][  T246]  do_setlink.isra.0 (net/core/rtnetlink.c:3246)
[   12.957465][  T246]  ? stack_trace_save (kernel/stacktrace.c:122 (discriminator 1))
[   12.957467][  T246]  ? rtnl_link_get_size (net/core/rtnetlink.c:747)
[   12.957469][  T246]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:388 kernel/rcu/update.c:380)
[   12.957471][  T246]  ? stack_depot_save_flags (lib/stackdepot.c:609 (discriminator 2) lib/stackdepot.c:676 (discriminator 2))
[   12.957475][  T246]  ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4116 (discriminator 3) kernel/rcu/tree.c:4108 (discriminator 3))
[   12.957477][  T246]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380)
[   12.957479][  T246]  ? validate_chain (kernel/locking/lockdep.c:3817 (discriminator 2) kernel/locking/lockdep.c:3837 (discriminator 2) kernel/locking/lockdep.c:3892 (discriminator 2))
[   12.957482][  T246]  ? kasan_save_stack (mm/kasan/common.c:58)
[   12.957484][  T246]  ? kasan_save_stack (mm/kasan/common.c:57)
[   12.957485][  T246]  ? kasan_save_track (mm/kasan/common.c:78)
[   12.957486][  T246]  ? __kasan_kmalloc (mm/kasan/common.c:398 mm/kasan/common.c:415)
[   12.957489][  T246]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   12.957491][  T246]  ? snd_ac97_proc_read_main (sound/pci/ac97/ac97_proc.c:320)
[   12.957494][  T246]  ? ___sys_sendmsg (net/socket.c:2758)
[   12.957498][  T246]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2))
[   12.957500][  T246]  ? rtnl_newlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:366 net/core/rtnetlink.c:4214)
[   12.957503][  T246]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   12.957504][  T246]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   12.957506][  T246]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   12.957507][  T246]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   12.957509][  T246]  ? trace_contention_end (./include/trace/events/lock.h:121 (discriminator 22))
[   12.957511][  T246]  ? __mutex_lock (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:3188 kernel/locking/mutex.c:89 kernel/locking/mutex.c:134 kernel/locking/mutex.c:649 kernel/locking/mutex.c:821)
[   12.957514][  T246]  ? __mutex_lock (kernel/locking/mutex.c:656 (discriminator 1) kernel/locking/mutex.c:821 (discriminator 1))
[   12.957516][  T246]  ? rtnl_newlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:366 net/core/rtnetlink.c:4214)
[   12.957520][  T246]  ? ww_mutex_lock (kernel/locking/mutex.c:934)
[   12.957521][  T246]  ? nla_get_range_signed (lib/nlattr.c:270)
[   12.957526][  T246]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   12.957529][  T246]  ? __rtnl_newlink (net/core/rtnetlink.c:4063)
[   12.957534][  T246]  rtnl_newlink (net/core/rtnetlink.c:4215)
[   12.957540][  T246]  ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558)
[   12.957542][  T246]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   12.957547][  T246]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2))
[   12.957549][  T246]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[   12.957551][  T246]  ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558)
[   12.957553][  T246]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554)
[   12.957557][  T246]  ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558)
[   12.957559][  T246]  rtnetlink_rcv_msg (net/core/rtnetlink.c:7132)
[   12.957562][  T246]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   12.957564][  T246]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   12.957569][  T246]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2))
[   12.957571][  T246]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[   12.957574][  T246]  netlink_rcv_skb (net/netlink/af_netlink.c:2556)
[   12.957577][  T246]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   12.957580][  T246]  ? netlink_ack (./include/linux/skbuff.h:2718)
[   12.957587][  T246]  ? netlink_deliver_tap (./include/linux/rcupdate.h:319 (discriminator 2) ./include/linux/rcupdate.h:880 (discriminator 2) ./include/net/netns/generic.h:48 (discriminator 2) net/netlink/af_netlink.c:334 (discriminator 2))
[   12.957589][  T246]  ? netlink_deliver_tap (./include/linux/rcupdate.h:319 (discriminator 2) ./include/linux/rcupdate.h:880 (discriminator 2) net/netlink/af_netlink.c:341 (discriminator 2))
[   12.957594][  T246]  netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[   12.957598][  T246]  ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[   12.957601][  T246]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[   12.957605][  T246]  netlink_sendmsg (net/netlink/af_netlink.c:1900)
[   12.957610][  T246]  ? netlink_unicast (./include/net/net_namespace.h:422 (discriminator 7))
[   12.957614][  T246]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554)
[   12.957615][  T246]  ? __import_iovec (lib/iov_iter.c:1358 lib/iov_iter.c:1373)
[   12.957621][  T246]  __sock_sendmsg (net/socket.c:800 (discriminator 4) net/socket.c:815 (discriminator 4))
[   12.957624][  T246]  ____sys_sendmsg (net/socket.c:2713)
[   12.957626][  T246]  ? copy_msghdr_from_user (net/socket.c:2650)
[   12.957629][  T246]  ? sock_write_iter (net/socket.c:1269)
[   12.957630][  T246]  ? move_addr_to_kernel (net/socket.c:258)
[   12.957638][  T246]  ___sys_sendmsg (net/socket.c:2767)
[   12.957641][  T246]  ? copy_msghdr_from_user (net/socket.c:2619)
[   12.957658][  T246]  __sys_sendmsg (net/socket.c:2799)
[   12.957661][  T246]  ? __sys_sendmsg_sock (net/socket.c:2780)
[   12.957667][  T246]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   12.957670][  T246]  do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84)
[   12.957673][  T246]  ? exc_page_fault (arch/x86/mm/fault.c:1489 (discriminator 3) arch/x86/mm/fault.c:1536 (discriminator 3))
[   12.957676][  T246]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[   12.957679][  T246] RIP: 0033:0x7fe42923554e
[   12.957683][  T246] Code: 4d 89 d8 e8 b4 bd 00 00 4c 8b 5d f8 41 8b 93 08 03 00 00 59 5e 48 83 f8 fc 74 11 c9 c3 0f 1f 80 00 00 00 00 48 8b 45 10 0f 05 <c9> c3 83 e2 39 83 fa 08 75 e7 e8 03 ff ff ff 0f 1f 00 f3 0f 1e fa
All code
========
   0:	4d 89 d8             	mov    %r11,%r8
   3:	e8 b4 bd 00 00       	call   0xbdbc
   8:	4c 8b 5d f8          	mov    -0x8(%rbp),%r11
   c:	41 8b 93 08 03 00 00 	mov    0x308(%r11),%edx
  13:	59                   	pop    %rcx
  14:	5e                   	pop    %rsi
  15:	48 83 f8 fc          	cmp    $0xfffffffffffffffc,%rax
  19:	74 11                	je     0x2c
  1b:	c9                   	leave
  1c:	c3                   	ret
  1d:	0f 1f 80 00 00 00 00 	nopl   0x0(%rax)
  24:	48 8b 45 10          	mov    0x10(%rbp),%rax
  28:	0f 05                	syscall
  2a:*	c9                   	leave		<-- trapping instruction
  2b:	c3                   	ret
  2c:	83 e2 39             	and    $0x39,%edx
  2f:	83 fa 08             	cmp    $0x8,%edx
  32:	75 e7                	jne    0x1b
  34:	e8 03 ff ff ff       	call   0xffffffffffffff3c
  39:	0f 1f 00             	nopl   (%rax)
  3c:	f3 0f 1e fa          	endbr64

Code starting with the faulting instruction
===========================================
   0:	c9                   	leave
   1:	c3                   	ret
   2:	83 e2 39             	and    $0x39,%edx
   5:	83 fa 08             	cmp    $0x8,%edx
   8:	75 e7                	jne    0xfffffffffffffff1
   a:	e8 03 ff ff ff       	call   0xffffffffffffff12
   f:	0f 1f 00             	nopl   (%rax)
  12:	f3 0f 1e fa          	endbr64
[   12.957685][  T246] RSP: 002b:00007fff5e7061f0 EFLAGS: 00000202 ORIG_RAX: 000000000000002e
[   12.957687][  T246] RAX: ffffffffffffffda RBX: 0000000000000005 RCX: 00007fe42923554e
[   12.957689][  T246] RDX: 0000000000000000 RSI: 00007fff5e7062a0 RDI: 0000000000000005
[   12.957690][  T246] RBP: 00007fff5e706200 R08: 0000000000000000 R09: 0000000000000000
[   12.957691][  T246] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a90d62c
[   12.957692][  T246] R13: 00000000004a1620 R14: 0000000000000000 R15: 00007fff5e706970
| [   31.807041][  T642] softirqs last disabled at (19576): netif_change_name (./include/linux/spinlock.h:353 ./include/linux/seqlock.h:908 net/core/dev.c:1499)
| [   31.807044][  T642] Preemption disabled at:
| [   31.807044][  T642] vprintk_emit (kernel/printk/printk.c:2471)
| [   31.807053][  T642] Tainted: [W]=WARN
[   31.807054][  T642] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   31.807055][  T642] Call Trace:
[   31.807057][  T642]  <TASK>
[   31.807059][  T642]  dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120)
[   31.807065][  T642]  ? vprintk_emit (kernel/printk/printk.c:2471)
[   31.807067][  T642]  __might_resched.cold (kernel/sched/core.c:9234)
[   31.807072][  T642]  ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3))
[   31.807077][  T642]  ? __kmalloc_noprof (./include/linux/sched/mm.h:317 mm/slub.c:4636 mm/slub.c:4974 mm/slub.c:5413 mm/slub.c:5439)
[   31.807082][  T642]  __kmalloc_noprof (./include/linux/sched/mm.h:322 (discriminator 2) mm/slub.c:4636 (discriminator 2) mm/slub.c:4974 (discriminator 2) mm/slub.c:5413 (discriminator 2) mm/slub.c:5439 (discriminator 2))
[   31.807084][  T642]  ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[   31.807091][  T642]  ? do_raw_spin_unlock (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:32 ./include/asm-generic/qspinlock.h:58 kernel/locking/spinlock_debug.c:101 kernel/locking/spinlock_debug.c:141)
[   31.807094][  T642]  alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[   31.807097][  T642]  put_chars (drivers/char/virtio_console.c:1176)
[   31.807100][  T642]  ? __send_to_port (drivers/char/virtio_console.c:654)
[   31.807107][  T642]  hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2))
[   31.807115][  T642]  ? hvc_write (drivers/tty/hvc/hvc_console.c:501)
[   31.807119][  T642]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   31.807124][  T642]  console_emit_next_record (kernel/printk/printk.c:3183)
[   31.807128][  T642]  ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20)
[   31.807130][  T642]  ? console_flush_one_record (./include/linux/rcupdate.h:314 (discriminator 2) ./include/linux/srcu.h:439 (discriminator 2) kernel/printk/printk.c:291 (discriminator 2) kernel/printk/printk.c:3246 (discriminator 2))
[   31.807133][  T642]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   31.807136][  T642]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   31.807140][  T642]  console_flush_one_record (kernel/printk/printk.c:3268)
[   31.807145][  T642]  ? console_emit_next_record (kernel/printk/printk.c:3150)
[   31.807147][  T642]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   31.807153][  T642]  console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420)
[   31.807156][  T642]  ? console_flush_one_record (kernel/printk/printk.c:3316)
[   31.807158][  T642]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   31.807160][  T642]  ? 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)
[   31.807164][  T642]  ? __down_trylock_console_sem (kernel/printk/printk.c:334)
[   31.807166][  T642]  ? vprintk_emit (kernel/printk/printk.c:2478)
[   31.807169][  T642]  vprintk_emit (kernel/printk/printk.c:2479)
[   31.807172][  T642]  ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126))
[   31.807175][  T642]  ? _mutex_trylock_nest_lock (kernel/locking/mutex.c:1227 (discriminator 6))
[   31.807180][  T642]  _printk (kernel/printk/printk.c:2504)
[   31.807184][  T642]  ? snapshot_read.cold (user.c:?)
[   31.807186][  T642]  ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4116 (discriminator 3) kernel/rcu/tree.c:4108 (discriminator 3))
[   31.807189][  T642]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380)
[   31.807192][  T642]  ? validate_chain (kernel/locking/lockdep.c:3817 (discriminator 2) kernel/locking/lockdep.c:3837 (discriminator 2) kernel/locking/lockdep.c:3892 (discriminator 2))
[   31.807194][  T642]  ? netdev_name (./include/linux/netdevice.h:5709 (discriminator 1))
[   31.807198][  T642]  ? __netdev_printk (net/core/dev.c:13148 (discriminator 2))
[   31.807201][  T642]  ? do_setlink.isra.0 (net/core/rtnetlink.c:3246)
[   31.807203][  T642]  netdev_info (net/core/dev.c:13195 (discriminator 3))
[   31.807207][  T642]  ? netdev_notice (net/core/dev.c:13194)
[   31.807210][  T642]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[   31.807213][  T642]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554)
[   31.807215][  T642]  ? mark_held_locks (kernel/locking/lockdep.c:4341)
[   31.807219][  T642]  ? do_setlink.isra.0 (net/core/rtnetlink.c:3246)
[   31.807221][  T642]  netif_change_name.cold (net/core/dev.c:1507 (discriminator 3))
[   31.807225][  T642]  ? register_netdev (net/core/dev.c:11618)
[   31.807227][  T642]  ? is_bpf_text_address (./include/linux/rcupdate.h:319 (discriminator 2) ./include/linux/rcupdate.h:880 (discriminator 2) kernel/bpf/core.c:751 (discriminator 2))
[   31.807235][  T642]  ? netdev_adjacent_rename_links (net/core/dev.c:9598)
[   31.807238][  T642]  ? __kernel_text_address (kernel/extable.c:79)
[   31.807241][  T642]  ? write_profile (profile.c:?)
[   31.807245][  T642]  ? __asan_memset (mm/kasan/shadow.c:84 (discriminator 1))
[   31.807255][  T642]  do_setlink.isra.0 (net/core/rtnetlink.c:3246)
[   31.807259][  T642]  ? stack_trace_save (kernel/stacktrace.c:122 (discriminator 1))
[   31.807261][  T642]  ? rtnl_link_get_size (net/core/rtnetlink.c:747)
[   31.807262][  T642]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:388 kernel/rcu/update.c:380)
[   31.807264][  T642]  ? stack_depot_save_flags (lib/stackdepot.c:609 (discriminator 2) lib/stackdepot.c:676 (discriminator 2))
[   31.807268][  T642]  ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4116 (discriminator 3) kernel/rcu/tree.c:4108 (discriminator 3))
[   31.807270][  T642]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380)
[   31.807272][  T642]  ? validate_chain (kernel/locking/lockdep.c:3817 (discriminator 2) kernel/locking/lockdep.c:3837 (discriminator 2) kernel/locking/lockdep.c:3892 (discriminator 2))
[   31.807275][  T642]  ? kasan_save_stack (mm/kasan/common.c:58)
[   31.807277][  T642]  ? kasan_save_stack (mm/kasan/common.c:57)
[   31.807278][  T642]  ? kasan_save_track (mm/kasan/common.c:78)
[   31.807279][  T642]  ? __kasan_kmalloc (mm/kasan/common.c:398 mm/kasan/common.c:415)
[   31.807282][  T642]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   31.807284][  T642]  ? snd_ac97_proc_read_main (sound/pci/ac97/ac97_proc.c:320)
[   31.807287][  T642]  ? ___sys_sendmsg (net/socket.c:2758)
[   31.807291][  T642]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2))
[   31.807293][  T642]  ? rtnl_newlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:366 net/core/rtnetlink.c:4214)
[   31.807296][  T642]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   31.807298][  T642]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   31.807300][  T642]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   31.807301][  T642]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   31.807303][  T642]  ? trace_contention_end (./include/trace/events/lock.h:121 (discriminator 22))
[   31.807305][  T642]  ? __mutex_lock (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:3188 kernel/locking/mutex.c:89 kernel/locking/mutex.c:134 kernel/locking/mutex.c:649 kernel/locking/mutex.c:821)
[   31.807307][  T642]  ? __mutex_lock (kernel/locking/mutex.c:656 (discriminator 1) kernel/locking/mutex.c:821 (discriminator 1))
[   31.807309][  T642]  ? rtnl_newlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:366 net/core/rtnetlink.c:4214)
[   31.807312][  T642]  ? ww_mutex_lock (kernel/locking/mutex.c:934)
[   31.807313][  T642]  ? nla_get_range_signed (lib/nlattr.c:270)
[   31.807319][  T642]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   31.807321][  T642]  ? __rtnl_newlink (net/core/rtnetlink.c:4063)
[   31.807327][  T642]  rtnl_newlink (net/core/rtnetlink.c:4215)
[   31.807332][  T642]  ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558)
[   31.807334][  T642]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   31.807339][  T642]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2))
[   31.807341][  T642]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[   31.807343][  T642]  ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558)
[   31.807345][  T642]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554)
[   31.807349][  T642]  ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558)
[   31.807351][  T642]  rtnetlink_rcv_msg (net/core/rtnetlink.c:7132)
[   31.807355][  T642]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   31.807356][  T642]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   31.807361][  T642]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2))
[   31.807363][  T642]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[   31.807367][  T642]  netlink_rcv_skb (net/netlink/af_netlink.c:2556)
[   31.807370][  T642]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   31.807373][  T642]  ? netlink_ack (./include/linux/skbuff.h:2718)
[   31.807380][  T642]  ? netlink_deliver_tap (./include/linux/rcupdate.h:319 (discriminator 2) ./include/linux/rcupdate.h:880 (discriminator 2) ./include/net/netns/generic.h:48 (discriminator 2) net/netlink/af_netlink.c:334 (discriminator 2))
[   31.807382][  T642]  ? netlink_deliver_tap (./include/linux/rcupdate.h:319 (discriminator 2) ./include/linux/rcupdate.h:880 (discriminator 2) net/netlink/af_netlink.c:341 (discriminator 2))
[   31.807387][  T642]  netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[   31.807391][  T642]  ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[   31.807394][  T642]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[   31.807399][  T642]  netlink_sendmsg (net/netlink/af_netlink.c:1900)
[   31.807403][  T642]  ? netlink_unicast (./include/net/net_namespace.h:422 (discriminator 7))
[   31.807407][  T642]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554)
[   31.807409][  T642]  ? __import_iovec (lib/iov_iter.c:1358 lib/iov_iter.c:1373)
[   31.807414][  T642]  __sock_sendmsg (net/socket.c:800 (discriminator 4) net/socket.c:815 (discriminator 4))
[   31.807417][  T642]  ____sys_sendmsg (net/socket.c:2713)
[   31.807420][  T642]  ? copy_msghdr_from_user (net/socket.c:2650)
[   31.807422][  T642]  ? sock_write_iter (net/socket.c:1269)
[   31.807424][  T642]  ? move_addr_to_kernel (net/socket.c:258)
[   31.807432][  T642]  ___sys_sendmsg (net/socket.c:2767)
[   31.807435][  T642]  ? copy_msghdr_from_user (net/socket.c:2619)
[   31.807451][  T642]  __sys_sendmsg (net/socket.c:2799)
[   31.807454][  T642]  ? __sys_sendmsg_sock (net/socket.c:2780)
[   31.807461][  T642]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   31.807464][  T642]  do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84)
[   31.807467][  T642]  ? exc_page_fault (arch/x86/mm/fault.c:1489 (discriminator 3) arch/x86/mm/fault.c:1536 (discriminator 3))
[   31.807472][  T642]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[   31.807474][  T642] RIP: 0033:0x7f9de1b6e54e
[   31.807479][  T642] Code: 4d 89 d8 e8 b4 bd 00 00 4c 8b 5d f8 41 8b 93 08 03 00 00 59 5e 48 83 f8 fc 74 11 c9 c3 0f 1f 80 00 00 00 00 48 8b 45 10 0f 05 <c9> c3 83 e2 39 83 fa 08 75 e7 e8 03 ff ff ff 0f 1f 00 f3 0f 1e fa
All code
========
   0:	4d 89 d8             	mov    %r11,%r8
   3:	e8 b4 bd 00 00       	call   0xbdbc
   8:	4c 8b 5d f8          	mov    -0x8(%rbp),%r11
   c:	41 8b 93 08 03 00 00 	mov    0x308(%r11),%edx
  13:	59                   	pop    %rcx
  14:	5e                   	pop    %rsi
  15:	48 83 f8 fc          	cmp    $0xfffffffffffffffc,%rax
  19:	74 11                	je     0x2c
  1b:	c9                   	leave
  1c:	c3                   	ret
  1d:	0f 1f 80 00 00 00 00 	nopl   0x0(%rax)
  24:	48 8b 45 10          	mov    0x10(%rbp),%rax
  28:	0f 05                	syscall
  2a:*	c9                   	leave		<-- trapping instruction
  2b:	c3                   	ret
  2c:	83 e2 39             	and    $0x39,%edx
  2f:	83 fa 08             	cmp    $0x8,%edx
  32:	75 e7                	jne    0x1b
  34:	e8 03 ff ff ff       	call   0xffffffffffffff3c
  39:	0f 1f 00             	nopl   (%rax)
  3c:	f3 0f 1e fa          	endbr64

Code starting with the faulting instruction
===========================================
   0:	c9                   	leave
   1:	c3                   	ret
   2:	83 e2 39             	and    $0x39,%edx
   5:	83 fa 08             	cmp    $0x8,%edx
   8:	75 e7                	jne    0xfffffffffffffff1
   a:	e8 03 ff ff ff       	call   0xffffffffffffff12
   f:	0f 1f 00             	nopl   (%rax)
  12:	f3 0f 1e fa          	endbr64
[   31.807481][  T642] RSP: 002b:00007ffcecc8af80 EFLAGS: 00000202 ORIG_RAX: 000000000000002e
[   31.807484][  T642] RAX: ffffffffffffffda RBX: 0000000000000005 RCX: 00007f9de1b6e54e
[   31.807485][  T642] RDX: 0000000000000000 RSI: 00007ffcecc8b030 RDI: 0000000000000005
[   31.807486][  T642] RBP: 00007ffcecc8af90 R08: 0000000000000000 R09: 0000000000000000
[   31.807487][  T642] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a90d63f
[   31.807488][  T642] R13: 00000000004a1620 R14: 0000000000000000 R15: 00007ffcecc8b700
| [   50.980033][ T1036] softirqs last disabled at (22960): netif_change_name (./include/linux/spinlock.h:353 ./include/linux/seqlock.h:908 net/core/dev.c:1499)
| [   50.980036][ T1036] Preemption disabled at:
| [   50.980037][ T1036] vprintk_emit (kernel/printk/printk.c:2471)
| [   50.980046][ T1036] Tainted: [W]=WARN
[   50.980047][ T1036] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   50.980049][ T1036] Call Trace:
[   50.980050][ T1036]  <TASK>
[   50.980052][ T1036]  dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120)
[   50.980058][ T1036]  ? vprintk_emit (kernel/printk/printk.c:2471)
[   50.980060][ T1036]  __might_resched.cold (kernel/sched/core.c:9234)
[   50.980065][ T1036]  ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3))
[   50.980070][ T1036]  ? __kmalloc_noprof (./include/linux/sched/mm.h:317 mm/slub.c:4636 mm/slub.c:4974 mm/slub.c:5413 mm/slub.c:5439)
[   50.980075][ T1036]  __kmalloc_noprof (./include/linux/sched/mm.h:322 (discriminator 2) mm/slub.c:4636 (discriminator 2) mm/slub.c:4974 (discriminator 2) mm/slub.c:5413 (discriminator 2) mm/slub.c:5439 (discriminator 2))
[   50.980077][ T1036]  ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[   50.980084][ T1036]  ? do_raw_spin_unlock (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:32 ./include/asm-generic/qspinlock.h:58 kernel/locking/spinlock_debug.c:101 kernel/locking/spinlock_debug.c:141)
[   50.980086][ T1036]  alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[   50.980090][ T1036]  put_chars (drivers/char/virtio_console.c:1176)
[   50.980093][ T1036]  ? __send_to_port (drivers/char/virtio_console.c:654)
[   50.980100][ T1036]  hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2))
[   50.980108][ T1036]  ? hvc_write (drivers/tty/hvc/hvc_console.c:501)
[   50.980112][ T1036]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   50.980116][ T1036]  console_emit_next_record (kernel/printk/printk.c:3183)
[   50.980121][ T1036]  ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20)
[   50.980123][ T1036]  ? console_flush_one_record (./include/linux/rcupdate.h:314 (discriminator 2) ./include/linux/srcu.h:439 (discriminator 2) kernel/printk/printk.c:291 (discriminator 2) kernel/printk/printk.c:3246 (discriminator 2))
[   50.980126][ T1036]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   50.980129][ T1036]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   50.980134][ T1036]  console_flush_one_record (kernel/printk/printk.c:3268)
[   50.980138][ T1036]  ? console_emit_next_record (kernel/printk/printk.c:3150)
[   50.980140][ T1036]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   50.980146][ T1036]  console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420)
[   50.980149][ T1036]  ? console_flush_one_record (kernel/printk/printk.c:3316)
[   50.980151][ T1036]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   50.980153][ T1036]  ? 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)
[   50.980157][ T1036]  ? __down_trylock_console_sem (kernel/printk/printk.c:334)
[   50.980159][ T1036]  ? vprintk_emit (kernel/printk/printk.c:2478)
[   50.980162][ T1036]  vprintk_emit (kernel/printk/printk.c:2479)
[   50.980166][ T1036]  ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126))
[   50.980169][ T1036]  ? _mutex_trylock_nest_lock (kernel/locking/mutex.c:1227 (discriminator 6))
[   50.980174][ T1036]  _printk (kernel/printk/printk.c:2504)
[   50.980178][ T1036]  ? snapshot_read.cold (user.c:?)
[   50.980180][ T1036]  ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4116 (discriminator 3) kernel/rcu/tree.c:4108 (discriminator 3))
[   50.980183][ T1036]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380)
[   50.980186][ T1036]  ? validate_chain (kernel/locking/lockdep.c:3817 (discriminator 2) kernel/locking/lockdep.c:3837 (discriminator 2) kernel/locking/lockdep.c:3892 (discriminator 2))
[   50.980188][ T1036]  ? netdev_name (./include/linux/netdevice.h:5709 (discriminator 1))
[   50.980192][ T1036]  ? __netdev_printk (net/core/dev.c:13148 (discriminator 2))
[   50.980195][ T1036]  ? do_setlink.isra.0 (net/core/rtnetlink.c:3246)
[   50.980198][ T1036]  netdev_info (net/core/dev.c:13195 (discriminator 3))
[   50.980201][ T1036]  ? netdev_notice (net/core/dev.c:13194)
[   50.980204][ T1036]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[   50.980207][ T1036]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554)
[   50.980210][ T1036]  ? mark_held_locks (kernel/locking/lockdep.c:4341)
[   50.980214][ T1036]  ? do_setlink.isra.0 (net/core/rtnetlink.c:3246)
[   50.980216][ T1036]  netif_change_name.cold (net/core/dev.c:1507 (discriminator 3))
[   50.980218][ T1036]  ? register_netdev (net/core/dev.c:11618)
[   50.980220][ T1036]  ? is_bpf_text_address (./include/linux/rcupdate.h:319 (discriminator 2) ./include/linux/rcupdate.h:880 (discriminator 2) kernel/bpf/core.c:751 (discriminator 2))
[   50.980229][ T1036]  ? netdev_adjacent_rename_links (net/core/dev.c:9598)
[   50.980233][ T1036]  ? __kernel_text_address (kernel/extable.c:79)
[   50.980236][ T1036]  ? write_profile (profile.c:?)
[   50.980240][ T1036]  ? __asan_memset (mm/kasan/shadow.c:84 (discriminator 1))
[   50.980247][ T1036]  do_setlink.isra.0 (net/core/rtnetlink.c:3246)
[   50.980254][ T1036]  ? stack_trace_save (kernel/stacktrace.c:122 (discriminator 1))
[   50.980256][ T1036]  ? rtnl_link_get_size (net/core/rtnetlink.c:747)
[   50.980257][ T1036]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:388 kernel/rcu/update.c:380)
[   50.980259][ T1036]  ? stack_depot_save_flags (lib/stackdepot.c:609 (discriminator 2) lib/stackdepot.c:676 (discriminator 2))
[   50.980263][ T1036]  ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4116 (discriminator 3) kernel/rcu/tree.c:4108 (discriminator 3))
[   50.980265][ T1036]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380)
[   50.980267][ T1036]  ? validate_chain (kernel/locking/lockdep.c:3817 (discriminator 2) kernel/locking/lockdep.c:3837 (discriminator 2) kernel/locking/lockdep.c:3892 (discriminator 2))
[   50.980270][ T1036]  ? kasan_save_stack (mm/kasan/common.c:58)
[   50.980272][ T1036]  ? kasan_save_stack (mm/kasan/common.c:57)
[   50.980273][ T1036]  ? kasan_save_track (mm/kasan/common.c:78)
[   50.980274][ T1036]  ? __kasan_kmalloc (mm/kasan/common.c:398 mm/kasan/common.c:415)
[   50.980277][ T1036]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   50.980279][ T1036]  ? snd_ac97_proc_read_main (sound/pci/ac97/ac97_proc.c:320)
[   50.980282][ T1036]  ? ___sys_sendmsg (net/socket.c:2758)
[   50.980286][ T1036]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2))
[   50.980289][ T1036]  ? rtnl_newlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:366 net/core/rtnetlink.c:4214)
[   50.980291][ T1036]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   50.980293][ T1036]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   50.980295][ T1036]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   50.980296][ T1036]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   50.980298][ T1036]  ? trace_contention_end (./include/trace/events/lock.h:121 (discriminator 22))
[   50.980300][ T1036]  ? __mutex_lock (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:3188 kernel/locking/mutex.c:89 kernel/locking/mutex.c:134 kernel/locking/mutex.c:649 kernel/locking/mutex.c:821)
[   50.980302][ T1036]  ? __mutex_lock (kernel/locking/mutex.c:656 (discriminator 1) kernel/locking/mutex.c:821 (discriminator 1))
[   50.980304][ T1036]  ? rtnl_newlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:366 net/core/rtnetlink.c:4214)
[   50.980307][ T1036]  ? ww_mutex_lock (kernel/locking/mutex.c:934)
[   50.980309][ T1036]  ? nla_get_range_signed (lib/nlattr.c:270)
[   50.980314][ T1036]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   50.980316][ T1036]  ? __rtnl_newlink (net/core/rtnetlink.c:4063)
[   50.980322][ T1036]  rtnl_newlink (net/core/rtnetlink.c:4215)
[   50.980328][ T1036]  ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558)
[   50.980330][ T1036]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   50.980334][ T1036]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2))
[   50.980336][ T1036]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[   50.980339][ T1036]  ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558)
[   50.980340][ T1036]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554)
[   50.980345][ T1036]  ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558)
[   50.980347][ T1036]  rtnetlink_rcv_msg (net/core/rtnetlink.c:7132)
[   50.980350][ T1036]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   50.980352][ T1036]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   50.980356][ T1036]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2))
[   50.980358][ T1036]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[   50.980362][ T1036]  netlink_rcv_skb (net/netlink/af_netlink.c:2556)
[   50.980365][ T1036]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   50.980369][ T1036]  ? netlink_ack (./include/linux/skbuff.h:2718)
[   50.980375][ T1036]  ? netlink_deliver_tap (./include/linux/rcupdate.h:319 (discriminator 2) ./include/linux/rcupdate.h:880 (discriminator 2) ./include/net/netns/generic.h:48 (discriminator 2) net/netlink/af_netlink.c:334 (discriminator 2))
[   50.980378][ T1036]  ? netlink_deliver_tap (./include/linux/rcupdate.h:319 (discriminator 2) ./include/linux/rcupdate.h:880 (discriminator 2) net/netlink/af_netlink.c:341 (discriminator 2))
[   50.980383][ T1036]  netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[   50.980387][ T1036]  ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[   50.980390][ T1036]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[   50.980394][ T1036]  netlink_sendmsg (net/netlink/af_netlink.c:1900)
[   50.980398][ T1036]  ? netlink_unicast (./include/net/net_namespace.h:422 (discriminator 7))
[   50.980402][ T1036]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554)
[   50.980404][ T1036]  ? __import_iovec (lib/iov_iter.c:1358 lib/iov_iter.c:1373)
[   50.980410][ T1036]  __sock_sendmsg (net/socket.c:800 (discriminator 4) net/socket.c:815 (discriminator 4))
[   50.980413][ T1036]  ____sys_sendmsg (net/socket.c:2713)
[   50.980415][ T1036]  ? copy_msghdr_from_user (net/socket.c:2650)
[   50.980418][ T1036]  ? sock_write_iter (net/socket.c:1269)
[   50.980419][ T1036]  ? move_addr_to_kernel (net/socket.c:258)
[   50.980427][ T1036]  ___sys_sendmsg (net/socket.c:2767)
[   50.980430][ T1036]  ? copy_msghdr_from_user (net/socket.c:2619)
[   50.980447][ T1036]  __sys_sendmsg (net/socket.c:2799)
[   50.980450][ T1036]  ? __sys_sendmsg_sock (net/socket.c:2780)
[   50.980457][ T1036]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   50.980460][ T1036]  do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84)
[   50.980464][ T1036]  ? exc_page_fault (arch/x86/mm/fault.c:1489 (discriminator 3) arch/x86/mm/fault.c:1536 (discriminator 3))
[   50.980467][ T1036]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[   50.980469][ T1036] RIP: 0033:0x7f280e57354e
[   50.980474][ T1036] Code: 4d 89 d8 e8 b4 bd 00 00 4c 8b 5d f8 41 8b 93 08 03 00 00 59 5e 48 83 f8 fc 74 11 c9 c3 0f 1f 80 00 00 00 00 48 8b 45 10 0f 05 <c9> c3 83 e2 39 83 fa 08 75 e7 e8 03 ff ff ff 0f 1f 00 f3 0f 1e fa
All code
========
   0:	4d 89 d8             	mov    %r11,%r8
   3:	e8 b4 bd 00 00       	call   0xbdbc
   8:	4c 8b 5d f8          	mov    -0x8(%rbp),%r11
   c:	41 8b 93 08 03 00 00 	mov    0x308(%r11),%edx
  13:	59                   	pop    %rcx
  14:	5e                   	pop    %rsi
  15:	48 83 f8 fc          	cmp    $0xfffffffffffffffc,%rax
  19:	74 11                	je     0x2c
  1b:	c9                   	leave
  1c:	c3                   	ret
  1d:	0f 1f 80 00 00 00 00 	nopl   0x0(%rax)
  24:	48 8b 45 10          	mov    0x10(%rbp),%rax
  28:	0f 05                	syscall
  2a:*	c9                   	leave		<-- trapping instruction
  2b:	c3                   	ret
  2c:	83 e2 39             	and    $0x39,%edx
  2f:	83 fa 08             	cmp    $0x8,%edx
  32:	75 e7                	jne    0x1b
  34:	e8 03 ff ff ff       	call   0xffffffffffffff3c
  39:	0f 1f 00             	nopl   (%rax)
  3c:	f3 0f 1e fa          	endbr64

Code starting with the faulting instruction
===========================================
   0:	c9                   	leave
   1:	c3                   	ret
   2:	83 e2 39             	and    $0x39,%edx
   5:	83 fa 08             	cmp    $0x8,%edx
   8:	75 e7                	jne    0xfffffffffffffff1
   a:	e8 03 ff ff ff       	call   0xffffffffffffff12
   f:	0f 1f 00             	nopl   (%rax)
  12:	f3 0f 1e fa          	endbr64
[   50.980476][ T1036] RSP: 002b:00007ffc52806f90 EFLAGS: 00000202 ORIG_RAX: 000000000000002e
[   50.980479][ T1036] RAX: ffffffffffffffda RBX: 0000000000000005 RCX: 00007f280e57354e
[   50.980481][ T1036] RDX: 0000000000000000 RSI: 00007ffc52807040 RDI: 0000000000000005
[   50.980482][ T1036] RBP: 00007ffc52806fa0 R08: 0000000000000000 R09: 0000000000000000
[   50.980483][ T1036] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a90d652
[   50.980484][ T1036] R13: 00000000004a1620 R14: 0000000000000000 R15: 00007ffc52807710
| [   69.744998][ T1429] softirqs last disabled at (18576): netif_change_name (./include/linux/spinlock.h:353 ./include/linux/seqlock.h:908 net/core/dev.c:1499)
| [   69.745000][ T1429] Preemption disabled at:
| [   69.745001][ T1429] vprintk_emit (kernel/printk/printk.c:2471)
| [   69.745010][ T1429] Tainted: [W]=WARN
[   69.745011][ T1429] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   69.745013][ T1429] Call Trace:
[   69.745015][ T1429]  <TASK>
[   69.745016][ T1429]  dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120)
[   69.745023][ T1429]  ? vprintk_emit (kernel/printk/printk.c:2471)
[   69.745024][ T1429]  __might_resched.cold (kernel/sched/core.c:9234)
[   69.745029][ T1429]  ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3))
[   69.745034][ 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)
[   69.745038][ 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))
[   69.745040][ T1429]  ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[   69.745047][ 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)
[   69.745050][ T1429]  alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[   69.745054][ T1429]  put_chars (drivers/char/virtio_console.c:1176)
[   69.745056][ T1429]  ? __send_to_port (drivers/char/virtio_console.c:654)
[   69.745063][ T1429]  hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2))
[   69.745071][ T1429]  ? hvc_write (drivers/tty/hvc/hvc_console.c:501)
[   69.745074][ T1429]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   69.745079][ T1429]  console_emit_next_record (kernel/printk/printk.c:3183)
[   69.745083][ T1429]  ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20)
[   69.745085][ 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))
[   69.745089][ T1429]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   69.745091][ T1429]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   69.745096][ T1429]  console_flush_one_record (kernel/printk/printk.c:3268)
[   69.745100][ T1429]  ? console_emit_next_record (kernel/printk/printk.c:3150)
[   69.745102][ T1429]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   69.745108][ T1429]  console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420)
[   69.745111][ T1429]  ? console_flush_one_record (kernel/printk/printk.c:3316)
[   69.745113][ T1429]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   69.745115][ 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)
[   69.745119][ T1429]  ? __down_trylock_console_sem (kernel/printk/printk.c:334)
[   69.745120][ T1429]  ? vprintk_emit (kernel/printk/printk.c:2478)
[   69.745123][ T1429]  vprintk_emit (kernel/printk/printk.c:2479)
[   69.745127][ T1429]  ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126))
[   69.745129][ T1429]  ? _mutex_trylock_nest_lock (kernel/locking/mutex.c:1227 (discriminator 6))
[   69.745135][ T1429]  _printk (kernel/printk/printk.c:2504)
[   69.745138][ T1429]  ? snapshot_read.cold (user.c:?)
[   69.745140][ T1429]  ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4116 (discriminator 3) kernel/rcu/tree.c:4108 (discriminator 3))
[   69.745143][ T1429]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380)
[   69.745146][ T1429]  ? validate_chain (kernel/locking/lockdep.c:3817 (discriminator 2) kernel/locking/lockdep.c:3837 (discriminator 2) kernel/locking/lockdep.c:3892 (discriminator 2))
[   69.745149][ T1429]  ? netdev_name (./include/linux/netdevice.h:5709 (discriminator 1))
[   69.745153][ T1429]  ? __netdev_printk (net/core/dev.c:13148 (discriminator 2))
[   69.745156][ T1429]  ? do_setlink.isra.0 (net/core/rtnetlink.c:3246)
[   69.745158][ T1429]  netdev_info (net/core/dev.c:13195 (discriminator 3))
[   69.745161][ T1429]  ? netdev_notice (net/core/dev.c:13194)
[   69.745164][ T1429]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[   69.745167][ T1429]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554)
[   69.745170][ T1429]  ? mark_held_locks (kernel/locking/lockdep.c:4341)
[   69.745174][ T1429]  ? do_setlink.isra.0 (net/core/rtnetlink.c:3246)
[   69.745176][ T1429]  netif_change_name.cold (net/core/dev.c:1507 (discriminator 3))
[   69.745178][ T1429]  ? register_netdev (net/core/dev.c:11618)
[   69.745180][ 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))
[   69.745185][ T1429]  ? netdev_adjacent_rename_links (net/core/dev.c:9598)
[   69.745188][ T1429]  ? __kernel_text_address (kernel/extable.c:79)
[   69.745190][ T1429]  ? write_profile (profile.c:?)
[   69.745195][ T1429]  ? __asan_memset (mm/kasan/shadow.c:84 (discriminator 1))
[   69.745201][ T1429]  do_setlink.isra.0 (net/core/rtnetlink.c:3246)
[   69.745204][ T1429]  ? stack_trace_save (kernel/stacktrace.c:122 (discriminator 1))
[   69.745206][ T1429]  ? rtnl_link_get_size (net/core/rtnetlink.c:747)
[   69.745208][ T1429]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:388 kernel/rcu/update.c:380)
[   69.745210][ T1429]  ? stack_depot_save_flags (lib/stackdepot.c:609 (discriminator 2) lib/stackdepot.c:676 (discriminator 2))
[   69.745214][ T1429]  ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4116 (discriminator 3) kernel/rcu/tree.c:4108 (discriminator 3))
[   69.745217][ T1429]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380)
[   69.745220][ T1429]  ? validate_chain (kernel/locking/lockdep.c:3817 (discriminator 2) kernel/locking/lockdep.c:3837 (discriminator 2) kernel/locking/lockdep.c:3892 (discriminator 2))
[   69.745224][ T1429]  ? kasan_save_stack (mm/kasan/common.c:58)
[   69.745226][ T1429]  ? kasan_save_stack (mm/kasan/common.c:57)
[   69.745228][ T1429]  ? kasan_save_track (mm/kasan/common.c:78)
[   69.745229][ T1429]  ? __kasan_kmalloc (mm/kasan/common.c:398 mm/kasan/common.c:415)
[   69.745231][ T1429]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   69.745234][ T1429]  ? snd_ac97_proc_read_main (sound/pci/ac97/ac97_proc.c:320)
[   69.745237][ T1429]  ? ___sys_sendmsg (net/socket.c:2758)
[   69.745241][ T1429]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2))
[   69.745243][ T1429]  ? rtnl_newlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:366 net/core/rtnetlink.c:4214)
[   69.745245][ T1429]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   69.745250][ T1429]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   69.745252][ T1429]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   69.745253][ T1429]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   69.745255][ T1429]  ? trace_contention_end (./include/trace/events/lock.h:121 (discriminator 22))
[   69.745258][ 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)
[   69.745259][ T1429]  ? __mutex_lock (kernel/locking/mutex.c:656 (discriminator 1) kernel/locking/mutex.c:821 (discriminator 1))
[   69.745261][ T1429]  ? rtnl_newlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:366 net/core/rtnetlink.c:4214)
[   69.745265][ T1429]  ? ww_mutex_lock (kernel/locking/mutex.c:934)
[   69.745266][ T1429]  ? nla_get_range_signed (lib/nlattr.c:270)
[   69.745271][ T1429]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   69.745273][ T1429]  ? __rtnl_newlink (net/core/rtnetlink.c:4063)
[   69.745279][ T1429]  rtnl_newlink (net/core/rtnetlink.c:4215)
[   69.745285][ T1429]  ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558)
[   69.745287][ T1429]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   69.745291][ T1429]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2))
[   69.745293][ T1429]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[   69.745296][ T1429]  ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558)
[   69.745297][ T1429]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554)
[   69.745301][ T1429]  ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558)
[   69.745304][ T1429]  rtnetlink_rcv_msg (net/core/rtnetlink.c:7132)
[   69.745307][ T1429]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   69.745308][ T1429]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   69.745313][ T1429]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2))
[   69.745315][ T1429]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[   69.745319][ T1429]  netlink_rcv_skb (net/netlink/af_netlink.c:2556)
[   69.745322][ T1429]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   69.745325][ T1429]  ? netlink_ack (./include/linux/skbuff.h:2718)
[   69.745332][ 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))
[   69.745334][ 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))
[   69.745339][ T1429]  netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[   69.745343][ T1429]  ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[   69.745346][ T1429]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[   69.745350][ T1429]  netlink_sendmsg (net/netlink/af_netlink.c:1900)
[   69.745354][ T1429]  ? netlink_unicast (./include/net/net_namespace.h:422 (discriminator 7))
[   69.745358][ T1429]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554)
[   69.745360][ T1429]  ? __import_iovec (lib/iov_iter.c:1358 lib/iov_iter.c:1373)
[   69.745366][ T1429]  __sock_sendmsg (net/socket.c:800 (discriminator 4) net/socket.c:815 (discriminator 4))
[   69.745369][ T1429]  ____sys_sendmsg (net/socket.c:2713)
[   69.745371][ T1429]  ? copy_msghdr_from_user (net/socket.c:2650)
[   69.745373][ T1429]  ? sock_write_iter (net/socket.c:1269)
[   69.745375][ T1429]  ? move_addr_to_kernel (net/socket.c:258)
[   69.745383][ T1429]  ___sys_sendmsg (net/socket.c:2767)
[   69.745386][ T1429]  ? copy_msghdr_from_user (net/socket.c:2619)
[   69.745403][ T1429]  __sys_sendmsg (net/socket.c:2799)
[   69.745406][ T1429]  ? __sys_sendmsg_sock (net/socket.c:2780)
[   69.745413][ T1429]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   69.745416][ T1429]  do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84)
[   69.745419][ T1429]  ? exc_page_fault (arch/x86/mm/fault.c:1489 (discriminator 3) arch/x86/mm/fault.c:1536 (discriminator 3))
[   69.745422][ T1429]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[   69.745424][ T1429] RIP: 0033:0x7f110dd9254e
[   69.745428][ 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
[   69.745431][ T1429] RSP: 002b:00007ffddac41db0 EFLAGS: 00000202 ORIG_RAX: 000000000000002e
[   69.745433][ T1429] RAX: ffffffffffffffda RBX: 0000000000000005 RCX: 00007f110dd9254e
[   69.745435][ T1429] RDX: 0000000000000000 RSI: 00007ffddac41e60 RDI: 0000000000000005
[   69.745436][ T1429] RBP: 00007ffddac41dc0 R08: 0000000000000000 R09: 0000000000000000
[   69.745437][ T1429] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a90d665
[   69.745438][ T1429] R13: 00000000004a1620 R14: 0000000000000000 R15: 00007ffddac42530
| [   85.873872][ T1838] softirqs last disabled at (23930): netif_change_name (./include/linux/spinlock.h:353 ./include/linux/seqlock.h:908 net/core/dev.c:1499)
| [   85.873875][ T1838] Preemption disabled at:
| [   85.873876][ T1838] vprintk_emit (kernel/printk/printk.c:2471)
| [   85.873885][ T1838] Tainted: [W]=WARN
[   85.873886][ T1838] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   85.873888][ T1838] Call Trace:
[   85.873889][ T1838]  <TASK>
[   85.873891][ T1838]  dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120)
[   85.873897][ T1838]  ? vprintk_emit (kernel/printk/printk.c:2471)
[   85.873899][ T1838]  __might_resched.cold (kernel/sched/core.c:9234)
[   85.873904][ T1838]  ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3))
[   85.873908][ T1838]  ? __kmalloc_noprof (./include/linux/sched/mm.h:317 mm/slub.c:4636 mm/slub.c:4974 mm/slub.c:5413 mm/slub.c:5439)
[   85.873913][ T1838]  __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))
[   85.873915][ T1838]  ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[   85.873922][ T1838]  ? 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)
[   85.873925][ T1838]  alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[   85.873929][ T1838]  put_chars (drivers/char/virtio_console.c:1176)
[   85.873931][ T1838]  ? __send_to_port (drivers/char/virtio_console.c:654)
[   85.873938][ T1838]  hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2))
[   85.873946][ T1838]  ? hvc_write (drivers/tty/hvc/hvc_console.c:501)
[   85.873949][ T1838]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   85.873954][ T1838]  console_emit_next_record (kernel/printk/printk.c:3183)
[   85.873958][ T1838]  ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20)
[   85.873960][ T1838]  ? 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))
[   85.873964][ T1838]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   85.873966][ T1838]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   85.873971][ T1838]  console_flush_one_record (kernel/printk/printk.c:3268)
[   85.873975][ T1838]  ? console_emit_next_record (kernel/printk/printk.c:3150)
[   85.873977][ T1838]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   85.873983][ T1838]  console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420)
[   85.873986][ T1838]  ? console_flush_one_record (kernel/printk/printk.c:3316)
[   85.873988][ T1838]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   85.873990][ T1838]  ? 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)
[   85.873994][ T1838]  ? __down_trylock_console_sem (kernel/printk/printk.c:334)
[   85.873995][ T1838]  ? vprintk_emit (kernel/printk/printk.c:2478)
[   85.873998][ T1838]  vprintk_emit (kernel/printk/printk.c:2479)
[   85.874002][ T1838]  ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126))
[   85.874005][ T1838]  ? _mutex_trylock_nest_lock (kernel/locking/mutex.c:1227 (discriminator 6))
[   85.874017][ T1838]  _printk (kernel/printk/printk.c:2504)
[   85.874020][ T1838]  ? snapshot_read.cold (user.c:?)
[   85.874022][ T1838]  ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4116 (discriminator 3) kernel/rcu/tree.c:4108 (discriminator 3))
[   85.874025][ T1838]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380)
[   85.874028][ T1838]  ? validate_chain (kernel/locking/lockdep.c:3817 (discriminator 2) kernel/locking/lockdep.c:3837 (discriminator 2) kernel/locking/lockdep.c:3892 (discriminator 2))
[   85.874031][ T1838]  ? netdev_name (./include/linux/netdevice.h:5709 (discriminator 1))
[   85.874035][ T1838]  ? __netdev_printk (net/core/dev.c:13148 (discriminator 2))
[   85.874038][ T1838]  ? do_setlink.isra.0 (net/core/rtnetlink.c:3246)
[   85.874040][ T1838]  netdev_info (net/core/dev.c:13195 (discriminator 3))
[   85.874044][ T1838]  ? netdev_notice (net/core/dev.c:13194)
[   85.874047][ T1838]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[   85.874050][ T1838]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554)
[   85.874052][ T1838]  ? mark_held_locks (kernel/locking/lockdep.c:4341)
[   85.874056][ T1838]  ? do_setlink.isra.0 (net/core/rtnetlink.c:3246)
[   85.874058][ T1838]  netif_change_name.cold (net/core/dev.c:1507 (discriminator 3))
[   85.874061][ T1838]  ? register_netdev (net/core/dev.c:11618)
[   85.874062][ T1838]  ? 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))
[   85.874068][ T1838]  ? netdev_adjacent_rename_links (net/core/dev.c:9598)
[   85.874071][ T1838]  ? __kernel_text_address (kernel/extable.c:79)
[   85.874073][ T1838]  ? write_profile (profile.c:?)
[   85.874078][ T1838]  ? __asan_memset (mm/kasan/shadow.c:84 (discriminator 1))
[   85.874084][ T1838]  do_setlink.isra.0 (net/core/rtnetlink.c:3246)
[   85.874087][ T1838]  ? stack_trace_save (kernel/stacktrace.c:122 (discriminator 1))
[   85.874089][ T1838]  ? rtnl_link_get_size (net/core/rtnetlink.c:747)
[   85.874091][ T1838]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:388 kernel/rcu/update.c:380)
[   85.874093][ T1838]  ? stack_depot_save_flags (lib/stackdepot.c:609 (discriminator 2) lib/stackdepot.c:676 (discriminator 2))
[   85.874096][ T1838]  ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4116 (discriminator 3) kernel/rcu/tree.c:4108 (discriminator 3))
[   85.874098][ T1838]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380)
[   85.874100][ T1838]  ? validate_chain (kernel/locking/lockdep.c:3817 (discriminator 2) kernel/locking/lockdep.c:3837 (discriminator 2) kernel/locking/lockdep.c:3892 (discriminator 2))
[   85.874103][ T1838]  ? kasan_save_stack (mm/kasan/common.c:58)
[   85.874105][ T1838]  ? kasan_save_stack (mm/kasan/common.c:57)
[   85.874106][ T1838]  ? kasan_save_track (mm/kasan/common.c:78)
[   85.874107][ T1838]  ? __kasan_kmalloc (mm/kasan/common.c:398 mm/kasan/common.c:415)
[   85.874110][ T1838]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   85.874112][ T1838]  ? snd_ac97_proc_read_main (sound/pci/ac97/ac97_proc.c:320)
[   85.874115][ T1838]  ? ___sys_sendmsg (net/socket.c:2758)
[   85.874119][ T1838]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2))
[   85.874121][ T1838]  ? rtnl_newlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:366 net/core/rtnetlink.c:4214)
[   85.874124][ T1838]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   85.874126][ T1838]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   85.874128][ T1838]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   85.874129][ T1838]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   85.874131][ T1838]  ? trace_contention_end (./include/trace/events/lock.h:121 (discriminator 22))
[   85.874133][ T1838]  ? __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)
[   85.874135][ T1838]  ? __mutex_lock (kernel/locking/mutex.c:656 (discriminator 1) kernel/locking/mutex.c:821 (discriminator 1))
[   85.874137][ T1838]  ? rtnl_newlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:366 net/core/rtnetlink.c:4214)
[   85.874140][ T1838]  ? ww_mutex_lock (kernel/locking/mutex.c:934)
[   85.874141][ T1838]  ? nla_get_range_signed (lib/nlattr.c:270)
[   85.874146][ T1838]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   85.874149][ T1838]  ? __rtnl_newlink (net/core/rtnetlink.c:4063)
[   85.874154][ T1838]  rtnl_newlink (net/core/rtnetlink.c:4215)
[   85.874160][ T1838]  ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558)
[   85.874162][ T1838]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   85.874167][ T1838]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2))
[   85.874169][ T1838]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[   85.874171][ T1838]  ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558)
[   85.874173][ T1838]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554)
[   85.874177][ T1838]  ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558)
[   85.874180][ T1838]  rtnetlink_rcv_msg (net/core/rtnetlink.c:7132)
[   85.874183][ T1838]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   85.874184][ T1838]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   85.874189][ T1838]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2))
[   85.874191][ T1838]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[   85.874195][ T1838]  netlink_rcv_skb (net/netlink/af_netlink.c:2556)
[   85.874199][ T1838]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   85.874202][ T1838]  ? netlink_ack (./include/linux/skbuff.h:2718)
[   85.874208][ T1838]  ? 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))
[   85.874211][ T1838]  ? 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))
[   85.874218][ T1838]  netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[   85.874225][ T1838]  ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[   85.874228][ T1838]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[   85.874232][ T1838]  netlink_sendmsg (net/netlink/af_netlink.c:1900)
[   85.874237][ T1838]  ? netlink_unicast (./include/net/net_namespace.h:422 (discriminator 7))
[   85.874241][ T1838]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554)
[   85.874242][ T1838]  ? __import_iovec (lib/iov_iter.c:1358 lib/iov_iter.c:1373)
[   85.874251][ T1838]  __sock_sendmsg (net/socket.c:800 (discriminator 4) net/socket.c:815 (discriminator 4))
[   85.874254][ T1838]  ____sys_sendmsg (net/socket.c:2713)
[   85.874257][ T1838]  ? copy_msghdr_from_user (net/socket.c:2650)
[   85.874259][ T1838]  ? sock_write_iter (net/socket.c:1269)
[   85.874261][ T1838]  ? move_addr_to_kernel (net/socket.c:258)
[   85.874269][ T1838]  ___sys_sendmsg (net/socket.c:2767)
[   85.874272][ T1838]  ? copy_msghdr_from_user (net/socket.c:2619)
[   85.874288][ T1838]  __sys_sendmsg (net/socket.c:2799)
[   85.874291][ T1838]  ? __sys_sendmsg_sock (net/socket.c:2780)
[   85.874298][ T1838]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   85.874301][ T1838]  do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84)
[   85.874305][ T1838]  ? exc_page_fault (arch/x86/mm/fault.c:1489 (discriminator 3) arch/x86/mm/fault.c:1536 (discriminator 3))
[   85.874308][ T1838]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[   85.874310][ T1838] RIP: 0033:0x7f54cd6d154e
[   85.874314][ T1838] 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
[   85.874317][ T1838] RSP: 002b:00007fff2f474790 EFLAGS: 00000202 ORIG_RAX: 000000000000002e
[   85.874319][ T1838] RAX: ffffffffffffffda RBX: 0000000000000005 RCX: 00007f54cd6d154e
[   85.874321][ T1838] RDX: 0000000000000000 RSI: 00007fff2f474840 RDI: 0000000000000005
[   85.874322][ T1838] RBP: 00007fff2f4747a0 R08: 0000000000000000 R09: 0000000000000000
[   85.874323][ T1838] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a90d675
[   85.874324][ T1838] R13: 00000000004a1620 R14: 0000000000000000 R15: 00007fff2f474f10
| [  102.617955][ T2247] softirqs last disabled at (19920): netif_change_name (./include/linux/spinlock.h:353 ./include/linux/seqlock.h:908 net/core/dev.c:1499)
| [  102.617958][ T2247] Preemption disabled at:
| [  102.617959][ T2247] vprintk_emit (kernel/printk/printk.c:2471)
| [  102.617967][ T2247] Tainted: [W]=WARN
[  102.617968][ T2247] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[  102.617970][ T2247] Call Trace:
[  102.617972][ T2247]  <TASK>
[  102.617974][ T2247]  dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120)
[  102.617980][ T2247]  ? vprintk_emit (kernel/printk/printk.c:2471)
[  102.617982][ T2247]  __might_resched.cold (kernel/sched/core.c:9234)
[  102.617987][ T2247]  ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3))
[  102.617991][ T2247]  ? __kmalloc_noprof (./include/linux/sched/mm.h:317 mm/slub.c:4636 mm/slub.c:4974 mm/slub.c:5413 mm/slub.c:5439)
[  102.617996][ T2247]  __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))
[  102.617998][ T2247]  ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[  102.618005][ T2247]  ? 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)
[  102.618007][ T2247]  alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[  102.618011][ T2247]  put_chars (drivers/char/virtio_console.c:1176)
[  102.618014][ T2247]  ? __send_to_port (drivers/char/virtio_console.c:654)
[  102.618020][ T2247]  hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2))
[  102.618028][ T2247]  ? hvc_write (drivers/tty/hvc/hvc_console.c:501)
[  102.618032][ T2247]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  102.618036][ T2247]  console_emit_next_record (kernel/printk/printk.c:3183)
[  102.618041][ T2247]  ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20)
[  102.618043][ T2247]  ? 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))
[  102.618046][ T2247]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  102.618049][ T2247]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  102.618053][ T2247]  console_flush_one_record (kernel/printk/printk.c:3268)
[  102.618058][ T2247]  ? console_emit_next_record (kernel/printk/printk.c:3150)
[  102.618060][ T2247]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[  102.618065][ T2247]  console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420)
[  102.618068][ T2247]  ? console_flush_one_record (kernel/printk/printk.c:3316)
[  102.618070][ T2247]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  102.618072][ T2247]  ? 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)
[  102.618076][ T2247]  ? __down_trylock_console_sem (kernel/printk/printk.c:334)
[  102.618078][ T2247]  ? vprintk_emit (kernel/printk/printk.c:2478)
[  102.618081][ T2247]  vprintk_emit (kernel/printk/printk.c:2479)
[  102.618084][ T2247]  ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126))
[  102.618087][ T2247]  ? _mutex_trylock_nest_lock (kernel/locking/mutex.c:1227 (discriminator 6))
[  102.618092][ T2247]  _printk (kernel/printk/printk.c:2504)
[  102.618096][ T2247]  ? snapshot_read.cold (user.c:?)
[  102.618098][ T2247]  ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4116 (discriminator 3) kernel/rcu/tree.c:4108 (discriminator 3))
[  102.618101][ T2247]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380)
[  102.618104][ T2247]  ? validate_chain (kernel/locking/lockdep.c:3817 (discriminator 2) kernel/locking/lockdep.c:3837 (discriminator 2) kernel/locking/lockdep.c:3892 (discriminator 2))
[  102.618106][ T2247]  ? netdev_name (./include/linux/netdevice.h:5709 (discriminator 1))
[  102.618110][ T2247]  ? __netdev_printk (net/core/dev.c:13148 (discriminator 2))
[  102.618113][ T2247]  ? do_setlink.isra.0 (net/core/rtnetlink.c:3246)
[  102.618116][ T2247]  netdev_info (net/core/dev.c:13195 (discriminator 3))
[  102.618119][ T2247]  ? netdev_notice (net/core/dev.c:13194)
[  102.618122][ T2247]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[  102.618125][ T2247]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554)
[  102.618128][ T2247]  ? mark_held_locks (kernel/locking/lockdep.c:4341)
[  102.618132][ T2247]  ? do_setlink.isra.0 (net/core/rtnetlink.c:3246)
[  102.618134][ T2247]  netif_change_name.cold (net/core/dev.c:1507 (discriminator 3))
[  102.618136][ T2247]  ? register_netdev (net/core/dev.c:11618)
[  102.618138][ T2247]  ? 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))
[  102.618143][ T2247]  ? netdev_adjacent_rename_links (net/core/dev.c:9598)
[  102.618146][ T2247]  ? __kernel_text_address (kernel/extable.c:79)
[  102.618149][ T2247]  ? write_profile (profile.c:?)
[  102.618153][ T2247]  ? __asan_memset (mm/kasan/shadow.c:84 (discriminator 1))
[  102.618166][ T2247]  do_setlink.isra.0 (net/core/rtnetlink.c:3246)
[  102.618169][ T2247]  ? stack_trace_save (kernel/stacktrace.c:122 (discriminator 1))
[  102.618172][ T2247]  ? rtnl_link_get_size (net/core/rtnetlink.c:747)
[  102.618173][ T2247]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:388 kernel/rcu/update.c:380)
[  102.618175][ T2247]  ? stack_depot_save_flags (lib/stackdepot.c:609 (discriminator 2) lib/stackdepot.c:676 (discriminator 2))
[  102.618179][ T2247]  ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4116 (discriminator 3) kernel/rcu/tree.c:4108 (discriminator 3))
[  102.618181][ T2247]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380)
[  102.618183][ T2247]  ? validate_chain (kernel/locking/lockdep.c:3817 (discriminator 2) kernel/locking/lockdep.c:3837 (discriminator 2) kernel/locking/lockdep.c:3892 (discriminator 2))
[  102.618185][ T2247]  ? kasan_save_stack (mm/kasan/common.c:58)
[  102.618187][ T2247]  ? kasan_save_stack (mm/kasan/common.c:57)
[  102.618189][ T2247]  ? kasan_save_track (mm/kasan/common.c:78)
[  102.618190][ T2247]  ? __kasan_kmalloc (mm/kasan/common.c:398 mm/kasan/common.c:415)
[  102.618192][ T2247]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[  102.618195][ T2247]  ? snd_ac97_proc_read_main (sound/pci/ac97/ac97_proc.c:320)
[  102.618198][ T2247]  ? ___sys_sendmsg (net/socket.c:2758)
[  102.618202][ T2247]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2))
[  102.618204][ T2247]  ? rtnl_newlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:366 net/core/rtnetlink.c:4214)
[  102.618207][ T2247]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  102.618209][ T2247]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  102.618211][ T2247]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  102.618212][ T2247]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  102.618214][ T2247]  ? trace_contention_end (./include/trace/events/lock.h:121 (discriminator 22))
[  102.618218][ T2247]  ? __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)
[  102.618220][ T2247]  ? __mutex_lock (kernel/locking/mutex.c:656 (discriminator 1) kernel/locking/mutex.c:821 (discriminator 1))
[  102.618224][ T2247]  ? rtnl_newlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:366 net/core/rtnetlink.c:4214)
[  102.618228][ T2247]  ? ww_mutex_lock (kernel/locking/mutex.c:934)
[  102.618229][ T2247]  ? nla_get_range_signed (lib/nlattr.c:270)
[  102.618235][ T2247]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  102.618237][ T2247]  ? __rtnl_newlink (net/core/rtnetlink.c:4063)
[  102.618243][ T2247]  rtnl_newlink (net/core/rtnetlink.c:4215)
[  102.618251][ T2247]  ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558)
[  102.618254][ T2247]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[  102.618258][ T2247]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2))
[  102.618261][ T2247]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[  102.618263][ T2247]  ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558)
[  102.618265][ T2247]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554)
[  102.618269][ T2247]  ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558)
[  102.618271][ T2247]  rtnetlink_rcv_msg (net/core/rtnetlink.c:7132)
[  102.618274][ T2247]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[  102.618276][ T2247]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[  102.618281][ T2247]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2))
[  102.618283][ T2247]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[  102.618286][ T2247]  netlink_rcv_skb (net/netlink/af_netlink.c:2556)
[  102.618290][ T2247]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[  102.618293][ T2247]  ? netlink_ack (./include/linux/skbuff.h:2718)
[  102.618299][ T2247]  ? 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))
[  102.618302][ T2247]  ? 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))
[  102.618307][ T2247]  netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[  102.618311][ T2247]  ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[  102.618314][ T2247]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[  102.618318][ T2247]  netlink_sendmsg (net/netlink/af_netlink.c:1900)
[  102.618322][ T2247]  ? netlink_unicast (./include/net/net_namespace.h:422 (discriminator 7))
[  102.618326][ T2247]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554)
[  102.618328][ T2247]  ? __import_iovec (lib/iov_iter.c:1358 lib/iov_iter.c:1373)
[  102.618334][ T2247]  __sock_sendmsg (net/socket.c:800 (discriminator 4) net/socket.c:815 (discriminator 4))
[  102.618337][ T2247]  ____sys_sendmsg (net/socket.c:2713)
[  102.618339][ T2247]  ? copy_msghdr_from_user (net/socket.c:2650)
[  102.618341][ T2247]  ? sock_write_iter (net/socket.c:1269)
[  102.618343][ T2247]  ? move_addr_to_kernel (net/socket.c:258)
[  102.618351][ T2247]  ___sys_sendmsg (net/socket.c:2767)
[  102.618354][ T2247]  ? copy_msghdr_from_user (net/socket.c:2619)
[  102.618371][ T2247]  __sys_sendmsg (net/socket.c:2799)
[  102.618374][ T2247]  ? __sys_sendmsg_sock (net/socket.c:2780)
[  102.618381][ T2247]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  102.618384][ T2247]  do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84)
[  102.618387][ T2247]  ? exc_page_fault (arch/x86/mm/fault.c:1489 (discriminator 3) arch/x86/mm/fault.c:1536 (discriminator 3))
[  102.618390][ T2247]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[  102.618393][ T2247] RIP: 0033:0x7fc6f936e54e
[  102.618397][ T2247] 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
[  102.618399][ T2247] RSP: 002b:00007ffd5267cbf0 EFLAGS: 00000202 ORIG_RAX: 000000000000002e
[  102.618402][ T2247] RAX: ffffffffffffffda RBX: 0000000000000005 RCX: 00007fc6f936e54e
[  102.618404][ T2247] RDX: 0000000000000000 RSI: 00007ffd5267cca0 RDI: 0000000000000005
[  102.618405][ T2247] RBP: 00007ffd5267cc00 R08: 0000000000000000 R09: 0000000000000000
[  102.618405][ T2247] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a90d685
[  102.618406][ T2247] R13: 00000000004a1620 R14: 0000000000000000 R15: 00007ffd5267d370
| [  233.839209][ T3724] softirqs last disabled at (19132): netif_change_name (./include/linux/spinlock.h:353 ./include/linux/seqlock.h:908 net/core/dev.c:1499)
| [  233.839212][ T3724] Preemption disabled at:
| [  233.839213][ T3724] vprintk_emit (kernel/printk/printk.c:2471)
| [  233.839221][ T3724] Tainted: [W]=WARN
[  233.839223][ T3724] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[  233.839224][ T3724] Call Trace:
[  233.839226][ T3724]  <TASK>
[  233.839228][ T3724]  dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120)
[  233.839234][ T3724]  ? vprintk_emit (kernel/printk/printk.c:2471)
[  233.839235][ T3724]  __might_resched.cold (kernel/sched/core.c:9234)
[  233.839240][ T3724]  ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3))
[  233.839245][ T3724]  ? __kmalloc_noprof (./include/linux/sched/mm.h:317 mm/slub.c:4636 mm/slub.c:4974 mm/slub.c:5413 mm/slub.c:5439)
[  233.839253][ T3724]  __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))
[  233.839255][ T3724]  ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[  233.839261][ T3724]  ? 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)
[  233.839264][ T3724]  alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[  233.839269][ T3724]  put_chars (drivers/char/virtio_console.c:1176)
[  233.839271][ T3724]  ? __send_to_port (drivers/char/virtio_console.c:654)
[  233.839278][ T3724]  hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2))
[  233.839286][ T3724]  ? hvc_write (drivers/tty/hvc/hvc_console.c:501)
[  233.839289][ T3724]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  233.839294][ T3724]  console_emit_next_record (kernel/printk/printk.c:3183)
[  233.839298][ T3724]  ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20)
[  233.839300][ T3724]  ? 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))
[  233.839303][ T3724]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  233.839306][ T3724]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  233.839310][ T3724]  console_flush_one_record (kernel/printk/printk.c:3268)
[  233.839320][ T3724]  ? console_emit_next_record (kernel/printk/printk.c:3150)
[  233.839322][ T3724]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[  233.839327][ T3724]  console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420)
[  233.839330][ T3724]  ? console_flush_one_record (kernel/printk/printk.c:3316)
[  233.839332][ T3724]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  233.839334][ T3724]  ? 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)
[  233.839338][ T3724]  ? __down_trylock_console_sem (kernel/printk/printk.c:334)
[  233.839340][ T3724]  ? vprintk_emit (kernel/printk/printk.c:2478)
[  233.839343][ T3724]  vprintk_emit (kernel/printk/printk.c:2479)
[  233.839346][ T3724]  ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126))
[  233.839349][ T3724]  ? _mutex_trylock_nest_lock (kernel/locking/mutex.c:1227 (discriminator 6))
[  233.839354][ T3724]  _printk (kernel/printk/printk.c:2504)
[  233.839358][ T3724]  ? snapshot_read.cold (user.c:?)
[  233.839359][ T3724]  ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4116 (discriminator 3) kernel/rcu/tree.c:4108 (discriminator 3))
[  233.839362][ T3724]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380)
[  233.839365][ T3724]  ? validate_chain (kernel/locking/lockdep.c:3817 (discriminator 2) kernel/locking/lockdep.c:3837 (discriminator 2) kernel/locking/lockdep.c:3892 (discriminator 2))
[  233.839368][ T3724]  ? netdev_name (./include/linux/netdevice.h:5709 (discriminator 1))
[  233.839371][ T3724]  ? __netdev_printk (net/core/dev.c:13148 (discriminator 2))
[  233.839374][ T3724]  ? do_setlink.isra.0 (net/core/rtnetlink.c:3246)
[  233.839376][ T3724]  netdev_info (net/core/dev.c:13195 (discriminator 3))
[  233.839380][ T3724]  ? netdev_notice (net/core/dev.c:13194)
[  233.839382][ T3724]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[  233.839385][ T3724]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554)
[  233.839388][ T3724]  ? mark_held_locks (kernel/locking/lockdep.c:4341)
[  233.839392][ T3724]  ? do_setlink.isra.0 (net/core/rtnetlink.c:3246)
[  233.839394][ T3724]  netif_change_name.cold (net/core/dev.c:1507 (discriminator 3))
[  233.839396][ T3724]  ? register_netdev (net/core/dev.c:11618)
[  233.839397][ T3724]  ? 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))
[  233.839403][ T3724]  ? netdev_adjacent_rename_links (net/core/dev.c:9598)
[  233.839406][ T3724]  ? __kernel_text_address (kernel/extable.c:79)
[  233.839408][ T3724]  ? write_profile (profile.c:?)
[  233.839412][ T3724]  ? __asan_memset (mm/kasan/shadow.c:84 (discriminator 1))
[  233.839418][ T3724]  do_setlink.isra.0 (net/core/rtnetlink.c:3246)
[  233.839422][ T3724]  ? stack_trace_save (kernel/stacktrace.c:122 (discriminator 1))
[  233.839424][ T3724]  ? rtnl_link_get_size (net/core/rtnetlink.c:747)
[  233.839425][ T3724]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:388 kernel/rcu/update.c:380)
[  233.839427][ T3724]  ? stack_depot_save_flags (lib/stackdepot.c:609 (discriminator 2) lib/stackdepot.c:676 (discriminator 2))
[  233.839431][ T3724]  ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4116 (discriminator 3) kernel/rcu/tree.c:4108 (discriminator 3))
[  233.839433][ T3724]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380)
[  233.839435][ T3724]  ? validate_chain (kernel/locking/lockdep.c:3817 (discriminator 2) kernel/locking/lockdep.c:3837 (discriminator 2) kernel/locking/lockdep.c:3892 (discriminator 2))
[  233.839438][ T3724]  ? kasan_save_stack (mm/kasan/common.c:58)
[  233.839440][ T3724]  ? kasan_save_stack (mm/kasan/common.c:57)
[  233.839441][ T3724]  ? kasan_save_track (mm/kasan/common.c:78)
[  233.839443][ T3724]  ? __kasan_kmalloc (mm/kasan/common.c:398 mm/kasan/common.c:415)
[  233.839445][ T3724]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[  233.839447][ T3724]  ? snd_ac97_proc_read_main (sound/pci/ac97/ac97_proc.c:320)
[  233.839450][ T3724]  ? ___sys_sendmsg (net/socket.c:2758)
[  233.839454][ T3724]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2))
[  233.839456][ T3724]  ? rtnl_newlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:366 net/core/rtnetlink.c:4214)
[  233.839459][ T3724]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  233.839460][ T3724]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  233.839462][ T3724]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  233.839463][ T3724]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  233.839465][ T3724]  ? trace_contention_end (./include/trace/events/lock.h:121 (discriminator 22))
[  233.839467][ T3724]  ? __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)
[  233.839468][ T3724]  ? __mutex_lock (kernel/locking/mutex.c:656 (discriminator 1) kernel/locking/mutex.c:821 (discriminator 1))
[  233.839470][ T3724]  ? rtnl_newlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:366 net/core/rtnetlink.c:4214)
[  233.839474][ T3724]  ? ww_mutex_lock (kernel/locking/mutex.c:934)
[  233.839475][ T3724]  ? nla_get_range_signed (lib/nlattr.c:270)
[  233.839480][ T3724]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  233.839483][ T3724]  ? __rtnl_newlink (net/core/rtnetlink.c:4063)
[  233.839489][ T3724]  rtnl_newlink (net/core/rtnetlink.c:4215)
[  233.839494][ T3724]  ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558)
[  233.839496][ T3724]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[  233.839501][ T3724]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2))
[  233.839503][ T3724]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[  233.839505][ T3724]  ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558)
[  233.839507][ T3724]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554)
[  233.839511][ T3724]  ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558)
[  233.839513][ T3724]  rtnetlink_rcv_msg (net/core/rtnetlink.c:7132)
[  233.839516][ T3724]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[  233.839517][ T3724]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[  233.839522][ T3724]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2))
[  233.839524][ T3724]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[  233.839528][ T3724]  netlink_rcv_skb (net/netlink/af_netlink.c:2556)
[  233.839531][ T3724]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[  233.839534][ T3724]  ? netlink_ack (./include/linux/skbuff.h:2718)
[  233.839541][ T3724]  ? 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))
[  233.839543][ T3724]  ? 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))
[  233.839548][ T3724]  netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[  233.839552][ T3724]  ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[  233.839555][ T3724]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[  233.839559][ T3724]  netlink_sendmsg (net/netlink/af_netlink.c:1900)
[  233.839563][ T3724]  ? netlink_unicast (./include/net/net_namespace.h:422 (discriminator 7))
[  233.839567][ T3724]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554)
[  233.839569][ T3724]  ? __import_iovec (lib/iov_iter.c:1358 lib/iov_iter.c:1373)
[  233.839575][ T3724]  __sock_sendmsg (net/socket.c:800 (discriminator 4) net/socket.c:815 (discriminator 4))
[  233.839577][ T3724]  ____sys_sendmsg (net/socket.c:2713)
[  233.839580][ T3724]  ? copy_msghdr_from_user (net/socket.c:2650)
[  233.839582][ T3724]  ? sock_write_iter (net/socket.c:1269)
[  233.839584][ T3724]  ? move_addr_to_kernel (net/socket.c:258)
[  233.839591][ T3724]  ___sys_sendmsg (net/socket.c:2767)
[  233.839594][ T3724]  ? copy_msghdr_from_user (net/socket.c:2619)
[  233.839611][ T3724]  __sys_sendmsg (net/socket.c:2799)
[  233.839614][ T3724]  ? __sys_sendmsg_sock (net/socket.c:2780)
[  233.839620][ T3724]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  233.839623][ T3724]  do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84)
[  233.839627][ T3724]  ? exc_page_fault (arch/x86/mm/fault.c:1489 (discriminator 3) arch/x86/mm/fault.c:1536 (discriminator 3))
[  233.839629][ T3724]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[  233.839632][ T3724] RIP: 0033:0x7f804a4d654e
[  233.839636][ T3724] 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
[  233.839638][ T3724] RSP: 002b:00007ffe89101280 EFLAGS: 00000202 ORIG_RAX: 000000000000002e
[  233.839641][ T3724] RAX: ffffffffffffffda RBX: 0000000000000005 RCX: 00007f804a4d654e
[  233.839642][ T3724] RDX: 0000000000000000 RSI: 00007ffe89101330 RDI: 0000000000000005
[  233.839643][ T3724] RBP: 00007ffe89101290 R08: 0000000000000000 R09: 0000000000000000
[  233.839644][ T3724] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a90d709
[  233.839645][ T3724] R13: 00000000004a1620 R14: 0000000000000000 R15: 00007ffe89101a00
| [  242.200256][ T3941] softirqs last disabled at (21238): netif_change_name (./include/linux/spinlock.h:353 ./include/linux/seqlock.h:908 net/core/dev.c:1499)
| [  242.200259][ T3941] Preemption disabled at:
| [  242.200260][ T3941] vprintk_emit (kernel/printk/printk.c:2471)
| [  242.200268][ T3941] Tainted: [W]=WARN
[  242.200269][ T3941] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[  242.200271][ T3941] Call Trace:
[  242.200273][ T3941]  <TASK>
[  242.200275][ T3941]  dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120)
[  242.200281][ T3941]  ? vprintk_emit (kernel/printk/printk.c:2471)
[  242.200282][ T3941]  __might_resched.cold (kernel/sched/core.c:9234)
[  242.200287][ T3941]  ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3))
[  242.200292][ T3941]  ? __kmalloc_noprof (./include/linux/sched/mm.h:317 mm/slub.c:4636 mm/slub.c:4974 mm/slub.c:5413 mm/slub.c:5439)
[  242.200296][ T3941]  __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))
[  242.200298][ T3941]  ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[  242.200305][ T3941]  ? 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)
[  242.200307][ T3941]  alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[  242.200311][ T3941]  put_chars (drivers/char/virtio_console.c:1176)
[  242.200314][ T3941]  ? __send_to_port (drivers/char/virtio_console.c:654)
[  242.200320][ T3941]  hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2))
[  242.200328][ T3941]  ? hvc_write (drivers/tty/hvc/hvc_console.c:501)
[  242.200332][ T3941]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  242.200336][ T3941]  console_emit_next_record (kernel/printk/printk.c:3183)
[  242.200340][ T3941]  ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20)
[  242.200342][ T3941]  ? 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))
[  242.200346][ T3941]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  242.200348][ T3941]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  242.200353][ T3941]  console_flush_one_record (kernel/printk/printk.c:3268)
[  242.200357][ T3941]  ? console_emit_next_record (kernel/printk/printk.c:3150)
[  242.200359][ T3941]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[  242.200364][ T3941]  console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420)
[  242.200368][ T3941]  ? console_flush_one_record (kernel/printk/printk.c:3316)
[  242.200369][ T3941]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  242.200371][ T3941]  ? 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)
[  242.200375][ T3941]  ? __down_trylock_console_sem (kernel/printk/printk.c:334)
[  242.200377][ T3941]  ? vprintk_emit (kernel/printk/printk.c:2478)
[  242.200380][ T3941]  vprintk_emit (kernel/printk/printk.c:2479)
[  242.200383][ T3941]  ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126))
[  242.200386][ T3941]  ? _mutex_trylock_nest_lock (kernel/locking/mutex.c:1227 (discriminator 6))
[  242.200396][ T3941]  _printk (kernel/printk/printk.c:2504)
[  242.200399][ T3941]  ? snapshot_read.cold (user.c:?)
[  242.200401][ T3941]  ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4116 (discriminator 3) kernel/rcu/tree.c:4108 (discriminator 3))
[  242.200404][ T3941]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380)
[  242.200407][ T3941]  ? validate_chain (kernel/locking/lockdep.c:3817 (discriminator 2) kernel/locking/lockdep.c:3837 (discriminator 2) kernel/locking/lockdep.c:3892 (discriminator 2))
[  242.200409][ T3941]  ? netdev_name (./include/linux/netdevice.h:5709 (discriminator 1))
[  242.200413][ T3941]  ? __netdev_printk (net/core/dev.c:13148 (discriminator 2))
[  242.200416][ T3941]  ? do_setlink.isra.0 (net/core/rtnetlink.c:3246)
[  242.200418][ T3941]  netdev_info (net/core/dev.c:13195 (discriminator 3))
[  242.200421][ T3941]  ? netdev_notice (net/core/dev.c:13194)
[  242.200424][ T3941]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[  242.200427][ T3941]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554)
[  242.200430][ T3941]  ? mark_held_locks (kernel/locking/lockdep.c:4341)
[  242.200434][ T3941]  ? do_setlink.isra.0 (net/core/rtnetlink.c:3246)
[  242.200436][ T3941]  netif_change_name.cold (net/core/dev.c:1507 (discriminator 3))
[  242.200438][ T3941]  ? register_netdev (net/core/dev.c:11618)
[  242.200439][ T3941]  ? 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))
[  242.200445][ T3941]  ? netdev_adjacent_rename_links (net/core/dev.c:9598)
[  242.200447][ T3941]  ? __kernel_text_address (kernel/extable.c:79)
[  242.200450][ T3941]  ? write_profile (profile.c:?)
[  242.200454][ T3941]  ? __asan_memset (mm/kasan/shadow.c:84 (discriminator 1))
[  242.200460][ T3941]  do_setlink.isra.0 (net/core/rtnetlink.c:3246)
[  242.200464][ T3941]  ? stack_trace_save (kernel/stacktrace.c:122 (discriminator 1))
[  242.200466][ T3941]  ? rtnl_link_get_size (net/core/rtnetlink.c:747)
[  242.200467][ T3941]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:388 kernel/rcu/update.c:380)
[  242.200469][ T3941]  ? stack_depot_save_flags (lib/stackdepot.c:609 (discriminator 2) lib/stackdepot.c:676 (discriminator 2))
[  242.200473][ T3941]  ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4116 (discriminator 3) kernel/rcu/tree.c:4108 (discriminator 3))
[  242.200475][ T3941]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380)
[  242.200477][ T3941]  ? validate_chain (kernel/locking/lockdep.c:3817 (discriminator 2) kernel/locking/lockdep.c:3837 (discriminator 2) kernel/locking/lockdep.c:3892 (discriminator 2))
[  242.200479][ T3941]  ? kasan_save_stack (mm/kasan/common.c:58)
[  242.200481][ T3941]  ? kasan_save_stack (mm/kasan/common.c:57)
[  242.200482][ T3941]  ? kasan_save_track (mm/kasan/common.c:78)
[  242.200483][ T3941]  ? __kasan_kmalloc (mm/kasan/common.c:398 mm/kasan/common.c:415)
[  242.200486][ T3941]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[  242.200488][ T3941]  ? snd_ac97_proc_read_main (sound/pci/ac97/ac97_proc.c:320)
[  242.200491][ T3941]  ? ___sys_sendmsg (net/socket.c:2758)
[  242.200495][ T3941]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2))
[  242.200497][ T3941]  ? rtnl_newlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:366 net/core/rtnetlink.c:4214)
[  242.200499][ T3941]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  242.200501][ T3941]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  242.200503][ T3941]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  242.200504][ T3941]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  242.200506][ T3941]  ? trace_contention_end (./include/trace/events/lock.h:121 (discriminator 22))
[  242.200508][ T3941]  ? __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)
[  242.200510][ T3941]  ? __mutex_lock (kernel/locking/mutex.c:656 (discriminator 1) kernel/locking/mutex.c:821 (discriminator 1))
[  242.200512][ T3941]  ? rtnl_newlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:366 net/core/rtnetlink.c:4214)
[  242.200515][ T3941]  ? ww_mutex_lock (kernel/locking/mutex.c:934)
[  242.200516][ T3941]  ? nla_get_range_signed (lib/nlattr.c:270)
[  242.200521][ T3941]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  242.200524][ T3941]  ? __rtnl_newlink (net/core/rtnetlink.c:4063)
[  242.200529][ T3941]  rtnl_newlink (net/core/rtnetlink.c:4215)
[  242.200534][ T3941]  ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558)
[  242.200536][ T3941]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[  242.200541][ T3941]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2))
[  242.200543][ T3941]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[  242.200545][ T3941]  ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558)
[  242.200547][ T3941]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554)
[  242.200551][ T3941]  ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558)
[  242.200553][ T3941]  rtnetlink_rcv_msg (net/core/rtnetlink.c:7132)
[  242.200556][ T3941]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[  242.200557][ T3941]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[  242.200562][ T3941]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2))
[  242.200564][ T3941]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[  242.200568][ T3941]  netlink_rcv_skb (net/netlink/af_netlink.c:2556)
[  242.200571][ T3941]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[  242.200574][ T3941]  ? netlink_ack (./include/linux/skbuff.h:2718)
[  242.200581][ T3941]  ? 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))
[  242.200583][ T3941]  ? 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))
[  242.200587][ T3941]  netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[  242.200591][ T3941]  ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[  242.200594][ T3941]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[  242.200598][ T3941]  netlink_sendmsg (net/netlink/af_netlink.c:1900)
[  242.200602][ T3941]  ? netlink_unicast (./include/net/net_namespace.h:422 (discriminator 7))
[  242.200606][ T3941]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554)
[  242.200608][ T3941]  ? __import_iovec (lib/iov_iter.c:1358 lib/iov_iter.c:1373)
[  242.200613][ T3941]  __sock_sendmsg (net/socket.c:800 (discriminator 4) net/socket.c:815 (discriminator 4))
[  242.200616][ T3941]  ____sys_sendmsg (net/socket.c:2713)
[  242.200619][ T3941]  ? copy_msghdr_from_user (net/socket.c:2650)
[  242.200621][ T3941]  ? sock_write_iter (net/socket.c:1269)
[  242.200623][ T3941]  ? move_addr_to_kernel (net/socket.c:258)
[  242.200630][ T3941]  ___sys_sendmsg (net/socket.c:2767)
[  242.200633][ T3941]  ? copy_msghdr_from_user (net/socket.c:2619)
[  242.200649][ T3941]  __sys_sendmsg (net/socket.c:2799)
[  242.200652][ T3941]  ? __sys_sendmsg_sock (net/socket.c:2780)
[  242.200660][ T3941]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  242.200663][ T3941]  do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84)
[  242.200666][ T3941]  ? exc_page_fault (arch/x86/mm/fault.c:1489 (discriminator 3) arch/x86/mm/fault.c:1536 (discriminator 3))
[  242.200669][ T3941]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[  242.200671][ T3941] RIP: 0033:0x7fac2451a54e
[  242.200676][ T3941] 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
[  242.200678][ T3941] RSP: 002b:00007fff5d4ec8b0 EFLAGS: 00000202 ORIG_RAX: 000000000000002e
[  242.200681][ T3941] RAX: ffffffffffffffda RBX: 0000000000000005 RCX: 00007fac2451a54e
[  242.200683][ T3941] RDX: 0000000000000000 RSI: 00007fff5d4ec960 RDI: 0000000000000005
[  242.200684][ T3941] RBP: 00007fff5d4ec8c0 R08: 0000000000000000 R09: 0000000000000000
[  242.200684][ T3941] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a90d711
[  242.200685][ T3941] R13: 00000000004a1620 R14: 0000000000000000 R15: 00007fff5d4ed030
| [  323.874061][ T4931] softirqs last disabled at (18610): netif_change_name (./include/linux/spinlock.h:353 ./include/linux/seqlock.h:908 net/core/dev.c:1499)
| [  323.874064][ T4931] Preemption disabled at:
| [  323.874065][ T4931] vprintk_emit (kernel/printk/printk.c:2471)
| [  323.874073][ T4931] Tainted: [W]=WARN
[  323.874074][ T4931] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[  323.874076][ T4931] Call Trace:
[  323.874078][ T4931]  <TASK>
[  323.874080][ T4931]  dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120)
[  323.874086][ T4931]  ? vprintk_emit (kernel/printk/printk.c:2471)
[  323.874087][ T4931]  __might_resched.cold (kernel/sched/core.c:9234)
[  323.874092][ T4931]  ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3))
[  323.874097][ T4931]  ? __kmalloc_noprof (./include/linux/sched/mm.h:317 mm/slub.c:4636 mm/slub.c:4974 mm/slub.c:5413 mm/slub.c:5439)
[  323.874102][ T4931]  __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))
[  323.874104][ T4931]  ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[  323.874118][ T4931]  ? 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)
[  323.874121][ T4931]  alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[  323.874125][ T4931]  put_chars (drivers/char/virtio_console.c:1176)
[  323.874128][ T4931]  ? __send_to_port (drivers/char/virtio_console.c:654)
[  323.874134][ T4931]  hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2))
[  323.874142][ T4931]  ? hvc_write (drivers/tty/hvc/hvc_console.c:501)
[  323.874145][ T4931]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  323.874149][ T4931]  console_emit_next_record (kernel/printk/printk.c:3183)
[  323.874153][ T4931]  ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20)
[  323.874155][ T4931]  ? 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))
[  323.874159][ T4931]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  323.874162][ T4931]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  323.874166][ T4931]  console_flush_one_record (kernel/printk/printk.c:3268)
[  323.874170][ T4931]  ? console_emit_next_record (kernel/printk/printk.c:3150)
[  323.874172][ T4931]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[  323.874177][ T4931]  console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420)
[  323.874180][ T4931]  ? console_flush_one_record (kernel/printk/printk.c:3316)
[  323.874182][ T4931]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  323.874184][ T4931]  ? 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)
[  323.874188][ T4931]  ? __down_trylock_console_sem (kernel/printk/printk.c:334)
[  323.874190][ T4931]  ? vprintk_emit (kernel/printk/printk.c:2478)
[  323.874192][ T4931]  vprintk_emit (kernel/printk/printk.c:2479)
[  323.874196][ T4931]  ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126))
[  323.874198][ T4931]  ? _mutex_trylock_nest_lock (kernel/locking/mutex.c:1227 (discriminator 6))
[  323.874203][ T4931]  _printk (kernel/printk/printk.c:2504)
[  323.874208][ T4931]  ? snapshot_read.cold (user.c:?)
[  323.874209][ T4931]  ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4116 (discriminator 3) kernel/rcu/tree.c:4108 (discriminator 3))
[  323.874212][ T4931]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380)
[  323.874215][ T4931]  ? validate_chain (kernel/locking/lockdep.c:3817 (discriminator 2) kernel/locking/lockdep.c:3837 (discriminator 2) kernel/locking/lockdep.c:3892 (discriminator 2))
[  323.874218][ T4931]  ? netdev_name (./include/linux/netdevice.h:5709 (discriminator 1))
[  323.874222][ T4931]  ? __netdev_printk (net/core/dev.c:13148 (discriminator 2))
[  323.874226][ T4931]  ? do_setlink.isra.0 (net/core/rtnetlink.c:3246)
[  323.874230][ T4931]  netdev_info (net/core/dev.c:13195 (discriminator 3))
[  323.874234][ T4931]  ? netdev_notice (net/core/dev.c:13194)
[  323.874237][ T4931]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[  323.874240][ T4931]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554)
[  323.874243][ T4931]  ? mark_held_locks (kernel/locking/lockdep.c:4341)
[  323.874247][ T4931]  ? do_setlink.isra.0 (net/core/rtnetlink.c:3246)
[  323.874252][ T4931]  netif_change_name.cold (net/core/dev.c:1507 (discriminator 3))
[  323.874254][ T4931]  ? register_netdev (net/core/dev.c:11618)
[  323.874256][ T4931]  ? 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))
[  323.874261][ T4931]  ? netdev_adjacent_rename_links (net/core/dev.c:9598)
[  323.874264][ T4931]  ? __kernel_text_address (kernel/extable.c:79)
[  323.874266][ T4931]  ? write_profile (profile.c:?)
[  323.874271][ T4931]  ? __asan_memset (mm/kasan/shadow.c:84 (discriminator 1))
[  323.874277][ T4931]  do_setlink.isra.0 (net/core/rtnetlink.c:3246)
[  323.874280][ T4931]  ? stack_trace_save (kernel/stacktrace.c:122 (discriminator 1))
[  323.874282][ T4931]  ? rtnl_link_get_size (net/core/rtnetlink.c:747)
[  323.874284][ T4931]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:388 kernel/rcu/update.c:380)
[  323.874286][ T4931]  ? stack_depot_save_flags (lib/stackdepot.c:609 (discriminator 2) lib/stackdepot.c:676 (discriminator 2))
[  323.874289][ T4931]  ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4116 (discriminator 3) kernel/rcu/tree.c:4108 (discriminator 3))
[  323.874291][ T4931]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380)
[  323.874293][ T4931]  ? validate_chain (kernel/locking/lockdep.c:3817 (discriminator 2) kernel/locking/lockdep.c:3837 (discriminator 2) kernel/locking/lockdep.c:3892 (discriminator 2))
[  323.874296][ T4931]  ? kasan_save_stack (mm/kasan/common.c:58)
[  323.874298][ T4931]  ? kasan_save_stack (mm/kasan/common.c:57)
[  323.874299][ T4931]  ? kasan_save_track (mm/kasan/common.c:78)
[  323.874300][ T4931]  ? __kasan_kmalloc (mm/kasan/common.c:398 mm/kasan/common.c:415)
[  323.874303][ T4931]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[  323.874305][ T4931]  ? snd_ac97_proc_read_main (sound/pci/ac97/ac97_proc.c:320)
[  323.874308][ T4931]  ? ___sys_sendmsg (net/socket.c:2758)
[  323.874311][ T4931]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2))
[  323.874314][ T4931]  ? rtnl_newlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:366 net/core/rtnetlink.c:4214)
[  323.874316][ T4931]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  323.874318][ T4931]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  323.874320][ T4931]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  323.874321][ T4931]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  323.874323][ T4931]  ? trace_contention_end (./include/trace/events/lock.h:121 (discriminator 22))
[  323.874326][ T4931]  ? __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)
[  323.874328][ T4931]  ? __mutex_lock (kernel/locking/mutex.c:656 (discriminator 1) kernel/locking/mutex.c:821 (discriminator 1))
[  323.874329][ T4931]  ? rtnl_newlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:366 net/core/rtnetlink.c:4214)
[  323.874333][ T4931]  ? ww_mutex_lock (kernel/locking/mutex.c:934)
[  323.874334][ T4931]  ? nla_get_range_signed (lib/nlattr.c:270)
[  323.874339][ T4931]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  323.874341][ T4931]  ? __rtnl_newlink (net/core/rtnetlink.c:4063)
[  323.874347][ T4931]  rtnl_newlink (net/core/rtnetlink.c:4215)
[  323.874352][ T4931]  ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558)
[  323.874354][ T4931]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[  323.874358][ T4931]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2))
[  323.874360][ T4931]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[  323.874362][ T4931]  ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558)
[  323.874364][ T4931]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554)
[  323.874368][ T4931]  ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558)
[  323.874370][ T4931]  rtnetlink_rcv_msg (net/core/rtnetlink.c:7132)
[  323.874373][ T4931]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[  323.874375][ T4931]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[  323.874379][ T4931]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2))
[  323.874381][ T4931]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[  323.874385][ T4931]  netlink_rcv_skb (net/netlink/af_netlink.c:2556)
[  323.874388][ T4931]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[  323.874391][ T4931]  ? netlink_ack (./include/linux/skbuff.h:2718)
[  323.874397][ T4931]  ? 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))
[  323.874399][ T4931]  ? 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))
[  323.874404][ T4931]  netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[  323.874408][ T4931]  ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[  323.874411][ T4931]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[  323.874415][ T4931]  netlink_sendmsg (net/netlink/af_netlink.c:1900)
[  323.874419][ T4931]  ? netlink_unicast (./include/net/net_namespace.h:422 (discriminator 7))
[  323.874423][ T4931]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554)
[  323.874425][ T4931]  ? __import_iovec (lib/iov_iter.c:1358 lib/iov_iter.c:1373)
[  323.874430][ T4931]  __sock_sendmsg (net/socket.c:800 (discriminator 4) net/socket.c:815 (discriminator 4))
[  323.874433][ T4931]  ____sys_sendmsg (net/socket.c:2713)
[  323.874435][ T4931]  ? copy_msghdr_from_user (net/socket.c:2650)
[  323.874437][ T4931]  ? sock_write_iter (net/socket.c:1269)
[  323.874439][ T4931]  ? move_addr_to_kernel (net/socket.c:258)
[  323.874446][ T4931]  ___sys_sendmsg (net/socket.c:2767)
[  323.874449][ T4931]  ? copy_msghdr_from_user (net/socket.c:2619)
[  323.874465][ T4931]  __sys_sendmsg (net/socket.c:2799)
[  323.874468][ T4931]  ? __sys_sendmsg_sock (net/socket.c:2780)
[  323.874474][ T4931]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  323.874477][ T4931]  do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84)
[  323.874480][ T4931]  ? exc_page_fault (arch/x86/mm/fault.c:1489 (discriminator 3) arch/x86/mm/fault.c:1536 (discriminator 3))
[  323.874483][ T4931]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[  323.874485][ T4931] RIP: 0033:0x7f5cbfa6454e
[  323.874489][ T4931] 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
[  323.874491][ T4931] RSP: 002b:00007ffec90580c0 EFLAGS: 00000202 ORIG_RAX: 000000000000002e
[  323.874494][ T4931] RAX: ffffffffffffffda RBX: 0000000000000005 RCX: 00007f5cbfa6454e
[  323.874495][ T4931] RDX: 0000000000000000 RSI: 00007ffec9058170 RDI: 0000000000000005
[  323.874496][ T4931] RBP: 00007ffec90580d0 R08: 0000000000000000 R09: 0000000000000000
[  323.874497][ T4931] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a90d763
[  323.874498][ T4931] R13: 00000000004a1620 R14: 0000000000000000 R15: 00007ffec9058840
| [  443.526093][ T6561] softirqs last disabled at (25542): netif_change_name (./include/linux/spinlock.h:353 ./include/linux/seqlock.h:908 net/core/dev.c:1499)
| [  443.526096][ T6561] Preemption disabled at:
| [  443.526097][ T6561] vprintk_emit (kernel/printk/printk.c:2471)
| [  443.526105][ T6561] Tainted: [W]=WARN
[  443.526106][ T6561] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[  443.526108][ T6561] Call Trace:
[  443.526110][ T6561]  <TASK>
[  443.526111][ T6561]  dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120)
[  443.526118][ T6561]  ? vprintk_emit (kernel/printk/printk.c:2471)
[  443.526119][ T6561]  __might_resched.cold (kernel/sched/core.c:9234)
[  443.526124][ T6561]  ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3))
[  443.526129][ T6561]  ? __kmalloc_noprof (./include/linux/sched/mm.h:317 mm/slub.c:4636 mm/slub.c:4974 mm/slub.c:5413 mm/slub.c:5439)
[  443.526133][ T6561]  __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))
[  443.526136][ T6561]  ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[  443.526142][ T6561]  ? 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)
[  443.526145][ T6561]  alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[  443.526149][ T6561]  put_chars (drivers/char/virtio_console.c:1176)
[  443.526151][ T6561]  ? __send_to_port (drivers/char/virtio_console.c:654)
[  443.526158][ T6561]  hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2))
[  443.526173][ T6561]  ? hvc_write (drivers/tty/hvc/hvc_console.c:501)
[  443.526176][ T6561]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  443.526181][ T6561]  console_emit_next_record (kernel/printk/printk.c:3183)
[  443.526185][ T6561]  ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20)
[  443.526187][ T6561]  ? 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))
[  443.526190][ T6561]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  443.526193][ T6561]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  443.526197][ T6561]  console_flush_one_record (kernel/printk/printk.c:3268)
[  443.526201][ T6561]  ? console_emit_next_record (kernel/printk/printk.c:3150)
[  443.526203][ T6561]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[  443.526209][ T6561]  console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420)
[  443.526212][ T6561]  ? console_flush_one_record (kernel/printk/printk.c:3316)
[  443.526214][ T6561]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  443.526215][ T6561]  ? 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)
[  443.526219][ T6561]  ? __down_trylock_console_sem (kernel/printk/printk.c:334)
[  443.526221][ T6561]  ? vprintk_emit (kernel/printk/printk.c:2478)
[  443.526224][ T6561]  vprintk_emit (kernel/printk/printk.c:2479)
[  443.526230][ T6561]  ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126))
[  443.526234][ T6561]  ? _mutex_trylock_nest_lock (kernel/locking/mutex.c:1227 (discriminator 6))
[  443.526239][ T6561]  _printk (kernel/printk/printk.c:2504)
[  443.526243][ T6561]  ? snapshot_read.cold (user.c:?)
[  443.526245][ T6561]  ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4116 (discriminator 3) kernel/rcu/tree.c:4108 (discriminator 3))
[  443.526250][ T6561]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380)
[  443.526253][ T6561]  ? validate_chain (kernel/locking/lockdep.c:3817 (discriminator 2) kernel/locking/lockdep.c:3837 (discriminator 2) kernel/locking/lockdep.c:3892 (discriminator 2))
[  443.526255][ T6561]  ? netdev_name (./include/linux/netdevice.h:5709 (discriminator 1))
[  443.526260][ T6561]  ? __netdev_printk (net/core/dev.c:13148 (discriminator 2))
[  443.526263][ T6561]  ? do_setlink.isra.0 (net/core/rtnetlink.c:3246)
[  443.526265][ T6561]  netdev_info (net/core/dev.c:13195 (discriminator 3))
[  443.526268][ T6561]  ? netdev_notice (net/core/dev.c:13194)
[  443.526271][ T6561]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[  443.526274][ T6561]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554)
[  443.526276][ T6561]  ? mark_held_locks (kernel/locking/lockdep.c:4341)
[  443.526280][ T6561]  ? do_setlink.isra.0 (net/core/rtnetlink.c:3246)
[  443.526282][ T6561]  netif_change_name.cold (net/core/dev.c:1507 (discriminator 3))
[  443.526284][ T6561]  ? register_netdev (net/core/dev.c:11618)
[  443.526286][ T6561]  ? 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))
[  443.526291][ T6561]  ? netdev_adjacent_rename_links (net/core/dev.c:9598)
[  443.526294][ T6561]  ? __kernel_text_address (kernel/extable.c:79)
[  443.526297][ T6561]  ? write_profile (profile.c:?)
[  443.526301][ T6561]  ? __asan_memset (mm/kasan/shadow.c:84 (discriminator 1))
[  443.526307][ T6561]  do_setlink.isra.0 (net/core/rtnetlink.c:3246)
[  443.526310][ T6561]  ? stack_trace_save (kernel/stacktrace.c:122 (discriminator 1))
[  443.526312][ T6561]  ? rtnl_link_get_size (net/core/rtnetlink.c:747)
[  443.526314][ T6561]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:388 kernel/rcu/update.c:380)
[  443.526316][ T6561]  ? stack_depot_save_flags (lib/stackdepot.c:609 (discriminator 2) lib/stackdepot.c:676 (discriminator 2))
[  443.526319][ T6561]  ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4116 (discriminator 3) kernel/rcu/tree.c:4108 (discriminator 3))
[  443.526321][ T6561]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380)
[  443.526323][ T6561]  ? validate_chain (kernel/locking/lockdep.c:3817 (discriminator 2) kernel/locking/lockdep.c:3837 (discriminator 2) kernel/locking/lockdep.c:3892 (discriminator 2))
[  443.526325][ T6561]  ? kasan_save_stack (mm/kasan/common.c:58)
[  443.526327][ T6561]  ? kasan_save_stack (mm/kasan/common.c:57)
[  443.526329][ T6561]  ? kasan_save_track (mm/kasan/common.c:78)
[  443.526330][ T6561]  ? __kasan_kmalloc (mm/kasan/common.c:398 mm/kasan/common.c:415)
[  443.526332][ T6561]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[  443.526334][ T6561]  ? snd_ac97_proc_read_main (sound/pci/ac97/ac97_proc.c:320)
[  443.526337][ T6561]  ? ___sys_sendmsg (net/socket.c:2758)
[  443.526341][ T6561]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2))
[  443.526343][ T6561]  ? rtnl_newlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:366 net/core/rtnetlink.c:4214)
[  443.526346][ T6561]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  443.526347][ T6561]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  443.526349][ T6561]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  443.526350][ T6561]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  443.526352][ T6561]  ? trace_contention_end (./include/trace/events/lock.h:121 (discriminator 22))
[  443.526354][ T6561]  ? __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)
[  443.526356][ T6561]  ? __mutex_lock (kernel/locking/mutex.c:656 (discriminator 1) kernel/locking/mutex.c:821 (discriminator 1))
[  443.526357][ T6561]  ? rtnl_newlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:366 net/core/rtnetlink.c:4214)
[  443.526361][ T6561]  ? ww_mutex_lock (kernel/locking/mutex.c:934)
[  443.526362][ T6561]  ? nla_get_range_signed (lib/nlattr.c:270)
[  443.526367][ T6561]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  443.526369][ T6561]  ? __rtnl_newlink (net/core/rtnetlink.c:4063)
[  443.526375][ T6561]  rtnl_newlink (net/core/rtnetlink.c:4215)
[  443.526380][ T6561]  ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558)
[  443.526382][ T6561]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[  443.526386][ T6561]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2))
[  443.526388][ T6561]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[  443.526390][ T6561]  ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558)
[  443.526392][ T6561]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554)
[  443.526396][ T6561]  ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558)
[  443.526398][ T6561]  rtnetlink_rcv_msg (net/core/rtnetlink.c:7132)
[  443.526401][ T6561]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[  443.526402][ T6561]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[  443.526407][ T6561]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2))
[  443.526409][ T6561]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[  443.526412][ T6561]  netlink_rcv_skb (net/netlink/af_netlink.c:2556)
[  443.526415][ T6561]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[  443.526418][ T6561]  ? netlink_ack (./include/linux/skbuff.h:2718)
[  443.526425][ T6561]  ? 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))
[  443.526427][ T6561]  ? 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))
[  443.526431][ T6561]  netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[  443.526435][ T6561]  ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[  443.526438][ T6561]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[  443.526442][ T6561]  netlink_sendmsg (net/netlink/af_netlink.c:1900)
[  443.526446][ T6561]  ? netlink_unicast (./include/net/net_namespace.h:422 (discriminator 7))
[  443.526450][ T6561]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554)
[  443.526451][ T6561]  ? __import_iovec (lib/iov_iter.c:1358 lib/iov_iter.c:1373)
[  443.526457][ T6561]  __sock_sendmsg (net/socket.c:800 (discriminator 4) net/socket.c:815 (discriminator 4))
[  443.526460][ T6561]  ____sys_sendmsg (net/socket.c:2713)
[  443.526462][ T6561]  ? copy_msghdr_from_user (net/socket.c:2650)
[  443.526464][ T6561]  ? sock_write_iter (net/socket.c:1269)
[  443.526466][ T6561]  ? move_addr_to_kernel (net/socket.c:258)
[  443.526473][ T6561]  ___sys_sendmsg (net/socket.c:2767)
[  443.526476][ T6561]  ? copy_msghdr_from_user (net/socket.c:2619)
[  443.526491][ T6561]  __sys_sendmsg (net/socket.c:2799)
[  443.526494][ T6561]  ? __sys_sendmsg_sock (net/socket.c:2780)
[  443.526500][ T6561]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  443.526503][ T6561]  do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84)
[  443.526507][ T6561]  ? exc_page_fault (arch/x86/mm/fault.c:1489 (discriminator 3) arch/x86/mm/fault.c:1536 (discriminator 3))
[  443.526510][ T6561]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[  443.526512][ T6561] RIP: 0033:0x7f3c41c4c54e
[  443.526516][ T6561] 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
[  443.526518][ T6561] RSP: 002b:00007ffe882d51f0 EFLAGS: 00000202 ORIG_RAX: 000000000000002e
[  443.526521][ T6561] RAX: ffffffffffffffda RBX: 0000000000000005 RCX: 00007f3c41c4c54e
[  443.526523][ T6561] RDX: 0000000000000000 RSI: 00007ffe882d52a0 RDI: 0000000000000005
[  443.526523][ T6561] RBP: 00007ffe882d5200 R08: 0000000000000000 R09: 0000000000000000
[  443.526524][ T6561] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a90d7da
[  443.526525][ T6561] R13: 00000000004a1620 R14: 0000000000000000 R15: 00007ffe882d5970
| [  469.334096][ T7378] softirqs last disabled at (18784): netif_change_name (./include/linux/spinlock.h:353 ./include/linux/seqlock.h:908 net/core/dev.c:1499)
| [  469.334099][ T7378] Preemption disabled at:
| [  469.334099][ T7378] vprintk_emit (kernel/printk/printk.c:2471)
| [  469.334108][ T7378] Tainted: [W]=WARN
[  469.334109][ T7378] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[  469.334111][ T7378] Call Trace:
[  469.334113][ T7378]  <TASK>
[  469.334114][ T7378]  dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120)
[  469.334120][ T7378]  ? vprintk_emit (kernel/printk/printk.c:2471)
[  469.334122][ T7378]  __might_resched.cold (kernel/sched/core.c:9234)
[  469.334126][ T7378]  ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3))
[  469.334131][ T7378]  ? __kmalloc_noprof (./include/linux/sched/mm.h:317 mm/slub.c:4636 mm/slub.c:4974 mm/slub.c:5413 mm/slub.c:5439)
[  469.334135][ T7378]  __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))
[  469.334137][ T7378]  ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[  469.334143][ T7378]  ? 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)
[  469.334146][ T7378]  alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[  469.334150][ T7378]  put_chars (drivers/char/virtio_console.c:1176)
[  469.334152][ T7378]  ? __send_to_port (drivers/char/virtio_console.c:654)
[  469.334159][ T7378]  hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2))
[  469.334166][ T7378]  ? hvc_write (drivers/tty/hvc/hvc_console.c:501)
[  469.334170][ T7378]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  469.334174][ T7378]  console_emit_next_record (kernel/printk/printk.c:3183)
[  469.334179][ T7378]  ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20)
[  469.334180][ T7378]  ? 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))
[  469.334184][ T7378]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  469.334186][ T7378]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  469.334190][ T7378]  console_flush_one_record (kernel/printk/printk.c:3268)
[  469.334195][ T7378]  ? console_emit_next_record (kernel/printk/printk.c:3150)
[  469.334197][ T7378]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[  469.334202][ T7378]  console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420)
[  469.334205][ T7378]  ? console_flush_one_record (kernel/printk/printk.c:3316)
[  469.334207][ T7378]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  469.334209][ T7378]  ? 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)
[  469.334212][ T7378]  ? __down_trylock_console_sem (kernel/printk/printk.c:334)
[  469.334214][ T7378]  ? vprintk_emit (kernel/printk/printk.c:2478)
[  469.334217][ T7378]  vprintk_emit (kernel/printk/printk.c:2479)
[  469.334220][ T7378]  ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126))
[  469.334223][ T7378]  ? _mutex_trylock_nest_lock (kernel/locking/mutex.c:1227 (discriminator 6))
[  469.334228][ T7378]  _printk (kernel/printk/printk.c:2504)
[  469.334231][ T7378]  ? snapshot_read.cold (user.c:?)
[  469.334233][ T7378]  ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4116 (discriminator 3) kernel/rcu/tree.c:4108 (discriminator 3))
[  469.334236][ T7378]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380)
[  469.334239][ T7378]  ? validate_chain (kernel/locking/lockdep.c:3817 (discriminator 2) kernel/locking/lockdep.c:3837 (discriminator 2) kernel/locking/lockdep.c:3892 (discriminator 2))
[  469.334241][ T7378]  ? netdev_name (./include/linux/netdevice.h:5709 (discriminator 1))
[  469.334245][ T7378]  ? __netdev_printk (net/core/dev.c:13148 (discriminator 2))
[  469.334251][ T7378]  ? do_setlink.isra.0 (net/core/rtnetlink.c:3246)
[  469.334254][ T7378]  netdev_info (net/core/dev.c:13195 (discriminator 3))
[  469.334257][ T7378]  ? netdev_notice (net/core/dev.c:13194)
[  469.334260][ T7378]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[  469.334263][ T7378]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554)
[  469.334265][ T7378]  ? mark_held_locks (kernel/locking/lockdep.c:4341)
[  469.334269][ T7378]  ? do_setlink.isra.0 (net/core/rtnetlink.c:3246)
[  469.334271][ T7378]  netif_change_name.cold (net/core/dev.c:1507 (discriminator 3))
[  469.334273][ T7378]  ? register_netdev (net/core/dev.c:11618)
[  469.334274][ T7378]  ? 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))
[  469.334280][ T7378]  ? netdev_adjacent_rename_links (net/core/dev.c:9598)
[  469.334282][ T7378]  ? __kernel_text_address (kernel/extable.c:79)
[  469.334285][ T7378]  ? write_profile (profile.c:?)
[  469.334289][ T7378]  ? __asan_memset (mm/kasan/shadow.c:84 (discriminator 1))
[  469.334295][ T7378]  do_setlink.isra.0 (net/core/rtnetlink.c:3246)
[  469.334299][ T7378]  ? stack_trace_save (kernel/stacktrace.c:122 (discriminator 1))
[  469.334301][ T7378]  ? rtnl_link_get_size (net/core/rtnetlink.c:747)
[  469.334302][ T7378]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:388 kernel/rcu/update.c:380)
[  469.334304][ T7378]  ? stack_depot_save_flags (lib/stackdepot.c:609 (discriminator 2) lib/stackdepot.c:676 (discriminator 2))
[  469.334308][ T7378]  ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4116 (discriminator 3) kernel/rcu/tree.c:4108 (discriminator 3))
[  469.334310][ T7378]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380)
[  469.334312][ T7378]  ? validate_chain (kernel/locking/lockdep.c:3817 (discriminator 2) kernel/locking/lockdep.c:3837 (discriminator 2) kernel/locking/lockdep.c:3892 (discriminator 2))
[  469.334314][ T7378]  ? kasan_save_stack (mm/kasan/common.c:58)
[  469.334316][ T7378]  ? kasan_save_stack (mm/kasan/common.c:57)
[  469.334317][ T7378]  ? kasan_save_track (mm/kasan/common.c:78)
[  469.334319][ T7378]  ? __kasan_kmalloc (mm/kasan/common.c:398 mm/kasan/common.c:415)
[  469.334321][ T7378]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[  469.334323][ T7378]  ? snd_ac97_proc_read_main (sound/pci/ac97/ac97_proc.c:320)
[  469.334326][ T7378]  ? ___sys_sendmsg (net/socket.c:2758)
[  469.334330][ T7378]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2))
[  469.334332][ T7378]  ? rtnl_newlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:366 net/core/rtnetlink.c:4214)
[  469.334334][ T7378]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  469.334336][ T7378]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  469.334338][ T7378]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  469.334339][ T7378]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  469.334341][ T7378]  ? trace_contention_end (./include/trace/events/lock.h:121 (discriminator 22))
[  469.334343][ T7378]  ? __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)
[  469.334344][ T7378]  ? __mutex_lock (kernel/locking/mutex.c:656 (discriminator 1) kernel/locking/mutex.c:821 (discriminator 1))
[  469.334346][ T7378]  ? rtnl_newlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:366 net/core/rtnetlink.c:4214)
[  469.334350][ T7378]  ? ww_mutex_lock (kernel/locking/mutex.c:934)
[  469.334351][ T7378]  ? nla_get_range_signed (lib/nlattr.c:270)
[  469.334356][ T7378]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  469.334359][ T7378]  ? __rtnl_newlink (net/core/rtnetlink.c:4063)
[  469.334365][ T7378]  rtnl_newlink (net/core/rtnetlink.c:4215)
[  469.334371][ T7378]  ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558)
[  469.334373][ T7378]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[  469.334378][ T7378]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2))
[  469.334381][ T7378]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[  469.334383][ T7378]  ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558)
[  469.334385][ T7378]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554)
[  469.334394][ T7378]  ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558)
[  469.334397][ T7378]  rtnetlink_rcv_msg (net/core/rtnetlink.c:7132)
[  469.334400][ T7378]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[  469.334402][ T7378]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[  469.334407][ T7378]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2))
[  469.334409][ T7378]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[  469.334413][ T7378]  netlink_rcv_skb (net/netlink/af_netlink.c:2556)
[  469.334417][ T7378]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[  469.334420][ T7378]  ? netlink_ack (./include/linux/skbuff.h:2718)
[  469.334427][ T7378]  ? 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))
[  469.334429][ T7378]  ? 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))
[  469.334434][ T7378]  netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[  469.334439][ T7378]  ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[  469.334442][ T7378]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[  469.334446][ T7378]  netlink_sendmsg (net/netlink/af_netlink.c:1900)
[  469.334451][ T7378]  ? netlink_unicast (./include/net/net_namespace.h:422 (discriminator 7))
[  469.334455][ T7378]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554)
[  469.334457][ T7378]  ? __import_iovec (lib/iov_iter.c:1358 lib/iov_iter.c:1373)
[  469.334463][ T7378]  __sock_sendmsg (net/socket.c:800 (discriminator 4) net/socket.c:815 (discriminator 4))
[  469.334466][ T7378]  ____sys_sendmsg (net/socket.c:2713)
[  469.334468][ T7378]  ? copy_msghdr_from_user (net/socket.c:2650)
[  469.334471][ T7378]  ? sock_write_iter (net/socket.c:1269)
[  469.334472][ T7378]  ? move_addr_to_kernel (net/socket.c:258)
[  469.334480][ T7378]  ___sys_sendmsg (net/socket.c:2767)
[  469.334483][ T7378]  ? copy_msghdr_from_user (net/socket.c:2619)
[  469.334499][ T7378]  __sys_sendmsg (net/socket.c:2799)
[  469.334502][ T7378]  ? __sys_sendmsg_sock (net/socket.c:2780)
[  469.334508][ T7378]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  469.334511][ T7378]  do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84)
[  469.334515][ T7378]  ? exc_page_fault (arch/x86/mm/fault.c:1489 (discriminator 3) arch/x86/mm/fault.c:1536 (discriminator 3))
[  469.334518][ T7378]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[  469.334520][ T7378] RIP: 0033:0x7fedac58254e
[  469.334523][ T7378] 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
[  469.334525][ T7378] RSP: 002b:00007ffcfe6bec20 EFLAGS: 00000202 ORIG_RAX: 000000000000002e
[  469.334528][ T7378] RAX: ffffffffffffffda RBX: 0000000000000005 RCX: 00007fedac58254e
[  469.334530][ T7378] RDX: 0000000000000000 RSI: 00007ffcfe6becd0 RDI: 0000000000000005
[  469.334530][ T7378] RBP: 00007ffcfe6bec30 R08: 0000000000000000 R09: 0000000000000000
[  469.334531][ T7378] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a90d7f4
[  469.334532][ T7378] R13: 00000000004a1620 R14: 0000000000000000 R15: 00007ffcfe6bf3a0
| [  478.271584][ T7625] softirqs last disabled at (35810): netif_change_name (./include/linux/spinlock.h:353 ./include/linux/seqlock.h:908 net/core/dev.c:1499)
| [  478.271587][ T7625] Preemption disabled at:
| [  478.271587][ T7625] vprintk_emit (kernel/printk/printk.c:2471)
| [  478.271596][ T7625] Tainted: [W]=WARN
[  478.271597][ T7625] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[  478.271599][ T7625] Call Trace:
[  478.271601][ T7625]  <TASK>
[  478.271602][ T7625]  dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120)
[  478.271608][ T7625]  ? vprintk_emit (kernel/printk/printk.c:2471)
[  478.271610][ T7625]  __might_resched.cold (kernel/sched/core.c:9234)
[  478.271615][ T7625]  ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3))
[  478.271619][ T7625]  ? __kmalloc_noprof (./include/linux/sched/mm.h:317 mm/slub.c:4636 mm/slub.c:4974 mm/slub.c:5413 mm/slub.c:5439)
[  478.271624][ T7625]  __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))
[  478.271626][ T7625]  ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[  478.271632][ T7625]  ? 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)
[  478.271635][ T7625]  alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[  478.271639][ T7625]  put_chars (drivers/char/virtio_console.c:1176)
[  478.271641][ T7625]  ? __send_to_port (drivers/char/virtio_console.c:654)
[  478.271648][ T7625]  hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2))
[  478.271656][ T7625]  ? hvc_write (drivers/tty/hvc/hvc_console.c:501)
[  478.271659][ T7625]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  478.271664][ T7625]  console_emit_next_record (kernel/printk/printk.c:3183)
[  478.271668][ T7625]  ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20)
[  478.271670][ T7625]  ? 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))
[  478.271673][ T7625]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  478.271675][ T7625]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  478.271679][ T7625]  console_flush_one_record (kernel/printk/printk.c:3268)
[  478.271684][ T7625]  ? console_emit_next_record (kernel/printk/printk.c:3150)
[  478.271686][ T7625]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[  478.271691][ T7625]  console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420)
[  478.271694][ T7625]  ? console_flush_one_record (kernel/printk/printk.c:3316)
[  478.271696][ T7625]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  478.271698][ T7625]  ? 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)
[  478.271701][ T7625]  ? __down_trylock_console_sem (kernel/printk/printk.c:334)
[  478.271703][ T7625]  ? vprintk_emit (kernel/printk/printk.c:2478)
[  478.271706][ T7625]  vprintk_emit (kernel/printk/printk.c:2479)
[  478.271709][ T7625]  ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126))
[  478.271712][ T7625]  ? _mutex_trylock_nest_lock (kernel/locking/mutex.c:1227 (discriminator 6))
[  478.271717][ T7625]  _printk (kernel/printk/printk.c:2504)
[  478.271720][ T7625]  ? snapshot_read.cold (user.c:?)
[  478.271722][ T7625]  ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4116 (discriminator 3) kernel/rcu/tree.c:4108 (discriminator 3))
[  478.271725][ T7625]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380)
[  478.271728][ T7625]  ? validate_chain (kernel/locking/lockdep.c:3817 (discriminator 2) kernel/locking/lockdep.c:3837 (discriminator 2) kernel/locking/lockdep.c:3892 (discriminator 2))
[  478.271730][ T7625]  ? netdev_name (./include/linux/netdevice.h:5709 (discriminator 1))
[  478.271734][ T7625]  ? __netdev_printk (net/core/dev.c:13148 (discriminator 2))
[  478.271736][ T7625]  ? do_setlink.isra.0 (net/core/rtnetlink.c:3246)
[  478.271739][ T7625]  netdev_info (net/core/dev.c:13195 (discriminator 3))
[  478.271742][ T7625]  ? netdev_notice (net/core/dev.c:13194)
[  478.271744][ T7625]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[  478.271747][ T7625]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554)
[  478.271750][ T7625]  ? mark_held_locks (kernel/locking/lockdep.c:4341)
[  478.271753][ T7625]  ? do_setlink.isra.0 (net/core/rtnetlink.c:3246)
[  478.271755][ T7625]  netif_change_name.cold (net/core/dev.c:1507 (discriminator 3))
[  478.271757][ T7625]  ? register_netdev (net/core/dev.c:11618)
[  478.271759][ T7625]  ? 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))
[  478.271764][ T7625]  ? netdev_adjacent_rename_links (net/core/dev.c:9598)
[  478.271767][ T7625]  ? __kernel_text_address (kernel/extable.c:79)
[  478.271769][ T7625]  ? write_profile (profile.c:?)
[  478.271773][ T7625]  ? __asan_memset (mm/kasan/shadow.c:84 (discriminator 1))
[  478.271779][ T7625]  do_setlink.isra.0 (net/core/rtnetlink.c:3246)
[  478.271783][ T7625]  ? stack_trace_save (kernel/stacktrace.c:122 (discriminator 1))
[  478.271785][ T7625]  ? rtnl_link_get_size (net/core/rtnetlink.c:747)
[  478.271786][ T7625]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:388 kernel/rcu/update.c:380)
[  478.271788][ T7625]  ? stack_depot_save_flags (lib/stackdepot.c:609 (discriminator 2) lib/stackdepot.c:676 (discriminator 2))
[  478.271791][ T7625]  ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4116 (discriminator 3) kernel/rcu/tree.c:4108 (discriminator 3))
[  478.271796][ T7625]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380)
[  478.271798][ T7625]  ? validate_chain (kernel/locking/lockdep.c:3817 (discriminator 2) kernel/locking/lockdep.c:3837 (discriminator 2) kernel/locking/lockdep.c:3892 (discriminator 2))
[  478.271800][ T7625]  ? kasan_save_stack (mm/kasan/common.c:58)
[  478.271802][ T7625]  ? kasan_save_stack (mm/kasan/common.c:57)
[  478.271803][ T7625]  ? kasan_save_track (mm/kasan/common.c:78)
[  478.271805][ T7625]  ? __kasan_kmalloc (mm/kasan/common.c:398 mm/kasan/common.c:415)
[  478.271807][ T7625]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[  478.271809][ T7625]  ? snd_ac97_proc_read_main (sound/pci/ac97/ac97_proc.c:320)
[  478.271812][ T7625]  ? ___sys_sendmsg (net/socket.c:2758)
[  478.271815][ T7625]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2))
[  478.271817][ T7625]  ? rtnl_newlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:366 net/core/rtnetlink.c:4214)
[  478.271820][ T7625]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  478.271821][ T7625]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  478.271823][ T7625]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  478.271824][ T7625]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  478.271826][ T7625]  ? trace_contention_end (./include/trace/events/lock.h:121 (discriminator 22))
[  478.271828][ T7625]  ? __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)
[  478.271829][ T7625]  ? __mutex_lock (kernel/locking/mutex.c:656 (discriminator 1) kernel/locking/mutex.c:821 (discriminator 1))
[  478.271831][ T7625]  ? rtnl_newlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:366 net/core/rtnetlink.c:4214)
[  478.271835][ T7625]  ? ww_mutex_lock (kernel/locking/mutex.c:934)
[  478.271836][ T7625]  ? nla_get_range_signed (lib/nlattr.c:270)
[  478.271841][ T7625]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  478.271843][ T7625]  ? __rtnl_newlink (net/core/rtnetlink.c:4063)
[  478.271848][ T7625]  rtnl_newlink (net/core/rtnetlink.c:4215)
[  478.271853][ T7625]  ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558)
[  478.271855][ T7625]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[  478.271860][ T7625]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2))
[  478.271861][ T7625]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[  478.271863][ T7625]  ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558)
[  478.271865][ T7625]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554)
[  478.271869][ T7625]  ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558)
[  478.271871][ T7625]  rtnetlink_rcv_msg (net/core/rtnetlink.c:7132)
[  478.271874][ T7625]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[  478.271875][ T7625]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[  478.271880][ T7625]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2))
[  478.271882][ T7625]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[  478.271885][ T7625]  netlink_rcv_skb (net/netlink/af_netlink.c:2556)
[  478.271888][ T7625]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[  478.271891][ T7625]  ? netlink_ack (./include/linux/skbuff.h:2718)
[  478.271898][ T7625]  ? 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))
[  478.271900][ T7625]  ? 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))
[  478.271904][ T7625]  netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[  478.271908][ T7625]  ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[  478.271911][ T7625]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[  478.271915][ T7625]  netlink_sendmsg (net/netlink/af_netlink.c:1900)
[  478.271919][ T7625]  ? netlink_unicast (./include/net/net_namespace.h:422 (discriminator 7))
[  478.271922][ T7625]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554)
[  478.271924][ T7625]  ? __import_iovec (lib/iov_iter.c:1358 lib/iov_iter.c:1373)
[  478.271929][ T7625]  __sock_sendmsg (net/socket.c:800 (discriminator 4) net/socket.c:815 (discriminator 4))
[  478.271932][ T7625]  ____sys_sendmsg (net/socket.c:2713)
[  478.271934][ T7625]  ? copy_msghdr_from_user (net/socket.c:2650)
[  478.271937][ T7625]  ? sock_write_iter (net/socket.c:1269)
[  478.271938][ T7625]  ? move_addr_to_kernel (net/socket.c:258)
[  478.271946][ T7625]  ___sys_sendmsg (net/socket.c:2767)
[  478.271948][ T7625]  ? copy_msghdr_from_user (net/socket.c:2619)
[  478.271964][ T7625]  __sys_sendmsg (net/socket.c:2799)
[  478.271967][ T7625]  ? __sys_sendmsg_sock (net/socket.c:2780)
[  478.271973][ T7625]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  478.271976][ T7625]  do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84)
[  478.271979][ T7625]  ? exc_page_fault (arch/x86/mm/fault.c:1489 (discriminator 3) arch/x86/mm/fault.c:1536 (discriminator 3))
[  478.271982][ T7625]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[  478.271984][ T7625] RIP: 0033:0x7f29de28754e
[  478.271988][ T7625] 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
[  478.271990][ T7625] RSP: 002b:00007fff36269830 EFLAGS: 00000202 ORIG_RAX: 000000000000002e
[  478.271992][ T7625] RAX: ffffffffffffffda RBX: 0000000000000005 RCX: 00007f29de28754e
[  478.271994][ T7625] RDX: 0000000000000000 RSI: 00007fff362698e0 RDI: 0000000000000005
[  478.271995][ T7625] RBP: 00007fff36269840 R08: 0000000000000000 R09: 0000000000000000
[  478.271995][ T7625] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a90d7fd
[  478.271996][ T7625] R13: 00000000004a1620 R14: 0000000000000000 R15: 00007fff36269fb0
| [  491.509114][ T7976] softirqs last disabled at (18754): netif_change_name (./include/linux/spinlock.h:353 ./include/linux/seqlock.h:908 net/core/dev.c:1499)
| [  491.509116][ T7976] Preemption disabled at:
| [  491.509117][ T7976] vprintk_emit (kernel/printk/printk.c:2471)
| [  491.509125][ T7976] Tainted: [W]=WARN
[  491.509127][ T7976] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[  491.509128][ T7976] Call Trace:
[  491.509130][ T7976]  <TASK>
[  491.509132][ T7976]  dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120)
[  491.509138][ T7976]  ? vprintk_emit (kernel/printk/printk.c:2471)
[  491.509139][ T7976]  __might_resched.cold (kernel/sched/core.c:9234)
[  491.509144][ T7976]  ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3))
[  491.509148][ T7976]  ? __kmalloc_noprof (./include/linux/sched/mm.h:317 mm/slub.c:4636 mm/slub.c:4974 mm/slub.c:5413 mm/slub.c:5439)
[  491.509153][ T7976]  __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))
[  491.509155][ T7976]  ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[  491.509161][ T7976]  ? 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)
[  491.509164][ T7976]  alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[  491.509168][ T7976]  put_chars (drivers/char/virtio_console.c:1176)
[  491.509170][ T7976]  ? __send_to_port (drivers/char/virtio_console.c:654)
[  491.509176][ T7976]  hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2))
[  491.509184][ T7976]  ? hvc_write (drivers/tty/hvc/hvc_console.c:501)
[  491.509187][ T7976]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  491.509192][ T7976]  console_emit_next_record (kernel/printk/printk.c:3183)
[  491.509196][ T7976]  ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20)
[  491.509198][ T7976]  ? 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))
[  491.509201][ T7976]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  491.509204][ T7976]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  491.509208][ T7976]  console_flush_one_record (kernel/printk/printk.c:3268)
[  491.509212][ T7976]  ? console_emit_next_record (kernel/printk/printk.c:3150)
[  491.509214][ T7976]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[  491.509219][ T7976]  console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420)
[  491.509222][ T7976]  ? console_flush_one_record (kernel/printk/printk.c:3316)
[  491.509224][ T7976]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  491.509226][ T7976]  ? 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)
[  491.509230][ T7976]  ? __down_trylock_console_sem (kernel/printk/printk.c:334)
[  491.509231][ T7976]  ? vprintk_emit (kernel/printk/printk.c:2478)
[  491.509234][ T7976]  vprintk_emit (kernel/printk/printk.c:2479)
[  491.509237][ T7976]  ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126))
[  491.509240][ T7976]  ? _mutex_trylock_nest_lock (kernel/locking/mutex.c:1227 (discriminator 6))
[  491.509245][ T7976]  _printk (kernel/printk/printk.c:2504)
[  491.509252][ T7976]  ? snapshot_read.cold (user.c:?)
[  491.509254][ T7976]  ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4116 (discriminator 3) kernel/rcu/tree.c:4108 (discriminator 3))
[  491.509257][ T7976]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380)
[  491.509259][ T7976]  ? validate_chain (kernel/locking/lockdep.c:3817 (discriminator 2) kernel/locking/lockdep.c:3837 (discriminator 2) kernel/locking/lockdep.c:3892 (discriminator 2))
[  491.509262][ T7976]  ? netdev_name (./include/linux/netdevice.h:5709 (discriminator 1))
[  491.509266][ T7976]  ? __netdev_printk (net/core/dev.c:13148 (discriminator 2))
[  491.509268][ T7976]  ? do_setlink.isra.0 (net/core/rtnetlink.c:3246)
[  491.509271][ T7976]  netdev_info (net/core/dev.c:13195 (discriminator 3))
[  491.509274][ T7976]  ? netdev_notice (net/core/dev.c:13194)
[  491.509276][ T7976]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[  491.509279][ T7976]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554)
[  491.509282][ T7976]  ? mark_held_locks (kernel/locking/lockdep.c:4341)
[  491.509285][ T7976]  ? do_setlink.isra.0 (net/core/rtnetlink.c:3246)
[  491.509288][ T7976]  netif_change_name.cold (net/core/dev.c:1507 (discriminator 3))
[  491.509290][ T7976]  ? register_netdev (net/core/dev.c:11618)
[  491.509291][ T7976]  ? 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))
[  491.509296][ T7976]  ? netdev_adjacent_rename_links (net/core/dev.c:9598)
[  491.509299][ T7976]  ? __kernel_text_address (kernel/extable.c:79)
[  491.509302][ T7976]  ? write_profile (profile.c:?)
[  491.509306][ T7976]  ? __asan_memset (mm/kasan/shadow.c:84 (discriminator 1))
[  491.509311][ T7976]  do_setlink.isra.0 (net/core/rtnetlink.c:3246)
[  491.509315][ T7976]  ? stack_trace_save (kernel/stacktrace.c:122 (discriminator 1))
[  491.509317][ T7976]  ? rtnl_link_get_size (net/core/rtnetlink.c:747)
[  491.509318][ T7976]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:388 kernel/rcu/update.c:380)
[  491.509320][ T7976]  ? stack_depot_save_flags (lib/stackdepot.c:609 (discriminator 2) lib/stackdepot.c:676 (discriminator 2))
[  491.509324][ T7976]  ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4116 (discriminator 3) kernel/rcu/tree.c:4108 (discriminator 3))
[  491.509326][ T7976]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380)
[  491.509327][ T7976]  ? validate_chain (kernel/locking/lockdep.c:3817 (discriminator 2) kernel/locking/lockdep.c:3837 (discriminator 2) kernel/locking/lockdep.c:3892 (discriminator 2))
[  491.509330][ T7976]  ? kasan_save_stack (mm/kasan/common.c:58)
[  491.509332][ T7976]  ? kasan_save_stack (mm/kasan/common.c:57)
[  491.509333][ T7976]  ? kasan_save_track (mm/kasan/common.c:78)
[  491.509334][ T7976]  ? __kasan_kmalloc (mm/kasan/common.c:398 mm/kasan/common.c:415)
[  491.509337][ T7976]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[  491.509339][ T7976]  ? snd_ac97_proc_read_main (sound/pci/ac97/ac97_proc.c:320)
[  491.509341][ T7976]  ? ___sys_sendmsg (net/socket.c:2758)
[  491.509345][ T7976]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2))
[  491.509347][ T7976]  ? rtnl_newlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:366 net/core/rtnetlink.c:4214)
[  491.509350][ T7976]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  491.509352][ T7976]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  491.509354][ T7976]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  491.509356][ T7976]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  491.509358][ T7976]  ? trace_contention_end (./include/trace/events/lock.h:121 (discriminator 22))
[  491.509360][ T7976]  ? __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)
[  491.509362][ T7976]  ? __mutex_lock (kernel/locking/mutex.c:656 (discriminator 1) kernel/locking/mutex.c:821 (discriminator 1))
[  491.509364][ T7976]  ? rtnl_newlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:366 net/core/rtnetlink.c:4214)
[  491.509367][ T7976]  ? ww_mutex_lock (kernel/locking/mutex.c:934)
[  491.509368][ T7976]  ? nla_get_range_signed (lib/nlattr.c:270)
[  491.509373][ T7976]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  491.509375][ T7976]  ? __rtnl_newlink (net/core/rtnetlink.c:4063)
[  491.509381][ T7976]  rtnl_newlink (net/core/rtnetlink.c:4215)
[  491.509386][ T7976]  ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558)
[  491.509388][ T7976]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[  491.509392][ T7976]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2))
[  491.509394][ T7976]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[  491.509396][ T7976]  ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558)
[  491.509398][ T7976]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554)
[  491.509402][ T7976]  ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558)
[  491.509404][ T7976]  rtnetlink_rcv_msg (net/core/rtnetlink.c:7132)
[  491.509407][ T7976]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[  491.509408][ T7976]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[  491.509413][ T7976]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2))
[  491.509415][ T7976]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[  491.509418][ T7976]  netlink_rcv_skb (net/netlink/af_netlink.c:2556)
[  491.509422][ T7976]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[  491.509424][ T7976]  ? netlink_ack (./include/linux/skbuff.h:2718)
[  491.509431][ T7976]  ? 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))
[  491.509433][ T7976]  ? 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))
[  491.509438][ T7976]  netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[  491.509441][ T7976]  ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[  491.509444][ T7976]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[  491.509448][ T7976]  netlink_sendmsg (net/netlink/af_netlink.c:1900)
[  491.509452][ T7976]  ? netlink_unicast (./include/net/net_namespace.h:422 (discriminator 7))
[  491.509456][ T7976]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554)
[  491.509458][ T7976]  ? __import_iovec (lib/iov_iter.c:1358 lib/iov_iter.c:1373)
[  491.509463][ T7976]  __sock_sendmsg (net/socket.c:800 (discriminator 4) net/socket.c:815 (discriminator 4))
[  491.509466][ T7976]  ____sys_sendmsg (net/socket.c:2713)
[  491.509468][ T7976]  ? copy_msghdr_from_user (net/socket.c:2650)
[  491.509471][ T7976]  ? sock_write_iter (net/socket.c:1269)
[  491.509472][ T7976]  ? move_addr_to_kernel (net/socket.c:258)
[  491.509480][ T7976]  ___sys_sendmsg (net/socket.c:2767)
[  491.509483][ T7976]  ? copy_msghdr_from_user (net/socket.c:2619)
[  491.509499][ T7976]  __sys_sendmsg (net/socket.c:2799)
[  491.509501][ T7976]  ? __sys_sendmsg_sock (net/socket.c:2780)
[  491.509508][ T7976]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  491.509511][ T7976]  do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84)
[  491.509514][ T7976]  ? exc_page_fault (arch/x86/mm/fault.c:1489 (discriminator 3) arch/x86/mm/fault.c:1536 (discriminator 3))
[  491.509517][ T7976]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[  491.509519][ T7976] RIP: 0033:0x7fa4fa75754e
[  491.509523][ T7976] 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
[  491.509525][ T7976] RSP: 002b:00007ffcb0b25080 EFLAGS: 00000202 ORIG_RAX: 000000000000002e
[  491.509528][ T7976] RAX: ffffffffffffffda RBX: 0000000000000005 RCX: 00007fa4fa75754e
[  491.509529][ T7976] RDX: 0000000000000000 RSI: 00007ffcb0b25130 RDI: 0000000000000005
[  491.509530][ T7976] RBP: 00007ffcb0b25090 R08: 0000000000000000 R09: 0000000000000000
[  491.509531][ T7976] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a90d80a
[  491.509532][ T7976] R13: 00000000004a1620 R14: 0000000000000000 R15: 00007ffcb0b25800
| [  501.077765][ T8112] softirqs last disabled at (24496): netif_change_name (./include/linux/spinlock.h:353 ./include/linux/seqlock.h:908 net/core/dev.c:1499)
| [  501.077768][ T8112] Preemption disabled at:
| [  501.077769][ T8112] vprintk_emit (kernel/printk/printk.c:2471)
| [  501.077779][ T8112] Tainted: [W]=WARN
[  501.077780][ T8112] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[  501.077782][ T8112] Call Trace:
[  501.077784][ T8112]  <TASK>
[  501.077786][ T8112]  dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120)
[  501.077793][ T8112]  ? vprintk_emit (kernel/printk/printk.c:2471)
[  501.077795][ T8112]  __might_resched.cold (kernel/sched/core.c:9234)
[  501.077801][ T8112]  ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3))
[  501.077806][ T8112]  ? __kmalloc_noprof (./include/linux/sched/mm.h:317 mm/slub.c:4636 mm/slub.c:4974 mm/slub.c:5413 mm/slub.c:5439)
[  501.077812][ T8112]  __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))
[  501.077814][ T8112]  ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[  501.077823][ T8112]  ? 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)
[  501.077826][ T8112]  alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[  501.077831][ T8112]  put_chars (drivers/char/virtio_console.c:1176)
[  501.077834][ T8112]  ? __send_to_port (drivers/char/virtio_console.c:654)
[  501.077844][ T8112]  hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2))
[  501.077855][ T8112]  ? hvc_write (drivers/tty/hvc/hvc_console.c:501)
[  501.077859][ T8112]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  501.077865][ T8112]  console_emit_next_record (kernel/printk/printk.c:3183)
[  501.077871][ T8112]  ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20)
[  501.077873][ T8112]  ? 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))
[  501.077878][ T8112]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  501.077881][ T8112]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  501.077887][ T8112]  console_flush_one_record (kernel/printk/printk.c:3268)
[  501.077893][ T8112]  ? console_emit_next_record (kernel/printk/printk.c:3150)
[  501.077896][ T8112]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[  501.077903][ T8112]  console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420)
[  501.077907][ T8112]  ? console_flush_one_record (kernel/printk/printk.c:3316)
[  501.077909][ T8112]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  501.077912][ T8112]  ? 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)
[  501.077917][ T8112]  ? __down_trylock_console_sem (kernel/printk/printk.c:334)
[  501.077920][ T8112]  ? vprintk_emit (kernel/printk/printk.c:2478)
[  501.077924][ T8112]  vprintk_emit (kernel/printk/printk.c:2479)
[  501.077928][ T8112]  ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126))
[  501.077932][ T8112]  ? _mutex_trylock_nest_lock (kernel/locking/mutex.c:1227 (discriminator 6))
[  501.077939][ T8112]  _printk (kernel/printk/printk.c:2504)
[  501.077944][ T8112]  ? snapshot_read.cold (user.c:?)
[  501.077946][ T8112]  ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4116 (discriminator 3) kernel/rcu/tree.c:4108 (discriminator 3))
[  501.077949][ T8112]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380)
[  501.077953][ T8112]  ? validate_chain (kernel/locking/lockdep.c:3817 (discriminator 2) kernel/locking/lockdep.c:3837 (discriminator 2) kernel/locking/lockdep.c:3892 (discriminator 2))
[  501.077956][ T8112]  ? netdev_name (./include/linux/netdevice.h:5709 (discriminator 1))
[  501.077960][ T8112]  ? __netdev_printk (net/core/dev.c:13148 (discriminator 2))
[  501.077964][ T8112]  ? do_setlink.isra.0 (net/core/rtnetlink.c:3246)
[  501.077967][ T8112]  netdev_info (net/core/dev.c:13195 (discriminator 3))
[  501.077971][ T8112]  ? netdev_notice (net/core/dev.c:13194)
[  501.077975][ T8112]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[  501.077979][ T8112]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554)
[  501.077982][ T8112]  ? mark_held_locks (kernel/locking/lockdep.c:4341)
[  501.077987][ T8112]  ? do_setlink.isra.0 (net/core/rtnetlink.c:3246)
[  501.077990][ T8112]  netif_change_name.cold (net/core/dev.c:1507 (discriminator 3))
[  501.077993][ T8112]  ? register_netdev (net/core/dev.c:11618)
[  501.077995][ T8112]  ? 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))
[  501.078002][ T8112]  ? netdev_adjacent_rename_links (net/core/dev.c:9598)
[  501.078005][ T8112]  ? __kernel_text_address (kernel/extable.c:79)
[  501.078008][ T8112]  ? write_profile (profile.c:?)
[  501.078013][ T8112]  ? __asan_memset (mm/kasan/shadow.c:84 (discriminator 1))
[  501.078021][ T8112]  do_setlink.isra.0 (net/core/rtnetlink.c:3246)
[  501.078026][ T8112]  ? stack_trace_save (kernel/stacktrace.c:122 (discriminator 1))
[  501.078029][ T8112]  ? rtnl_link_get_size (net/core/rtnetlink.c:747)
[  501.078031][ T8112]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:388 kernel/rcu/update.c:380)
[  501.078033][ T8112]  ? stack_depot_save_flags (lib/stackdepot.c:609 (discriminator 2) lib/stackdepot.c:676 (discriminator 2))
[  501.078038][ T8112]  ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4116 (discriminator 3) kernel/rcu/tree.c:4108 (discriminator 3))
[  501.078040][ T8112]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380)
[  501.078043][ T8112]  ? validate_chain (kernel/locking/lockdep.c:3817 (discriminator 2) kernel/locking/lockdep.c:3837 (discriminator 2) kernel/locking/lockdep.c:3892 (discriminator 2))
[  501.078046][ T8112]  ? kasan_save_stack (mm/kasan/common.c:58)
[  501.078048][ T8112]  ? kasan_save_stack (mm/kasan/common.c:57)
[  501.078050][ T8112]  ? kasan_save_track (mm/kasan/common.c:78)
[  501.078051][ T8112]  ? __kasan_kmalloc (mm/kasan/common.c:398 mm/kasan/common.c:415)
[  501.078055][ T8112]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[  501.078057][ T8112]  ? snd_ac97_proc_read_main (sound/pci/ac97/ac97_proc.c:320)
[  501.078061][ T8112]  ? ___sys_sendmsg (net/socket.c:2758)
[  501.078066][ T8112]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2))
[  501.078068][ T8112]  ? rtnl_newlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:366 net/core/rtnetlink.c:4214)
[  501.078072][ T8112]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  501.078074][ T8112]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  501.078077][ T8112]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  501.078078][ T8112]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  501.078081][ T8112]  ? trace_contention_end (./include/trace/events/lock.h:121 (discriminator 22))
[  501.078084][ T8112]  ? __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)
[  501.078086][ T8112]  ? __mutex_lock (kernel/locking/mutex.c:656 (discriminator 1) kernel/locking/mutex.c:821 (discriminator 1))
[  501.078088][ T8112]  ? rtnl_newlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:366 net/core/rtnetlink.c:4214)
[  501.078093][ T8112]  ? ww_mutex_lock (kernel/locking/mutex.c:934)
[  501.078095][ T8112]  ? nla_get_range_signed (lib/nlattr.c:270)
[  501.078101][ T8112]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  501.078104][ T8112]  ? __rtnl_newlink (net/core/rtnetlink.c:4063)
[  501.078112][ T8112]  rtnl_newlink (net/core/rtnetlink.c:4215)
[  501.078121][ T8112]  ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558)
[  501.078123][ T8112]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[  501.078130][ T8112]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2))
[  501.078132][ T8112]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[  501.078135][ T8112]  ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558)
[  501.078138][ T8112]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554)
[  501.078144][ T8112]  ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558)
[  501.078147][ T8112]  rtnetlink_rcv_msg (net/core/rtnetlink.c:7132)
[  501.078151][ T8112]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[  501.078153][ T8112]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[  501.078160][ T8112]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2))
[  501.078163][ T8112]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[  501.078168][ T8112]  netlink_rcv_skb (net/netlink/af_netlink.c:2556)
[  501.078171][ T8112]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[  501.078176][ T8112]  ? netlink_ack (./include/linux/skbuff.h:2718)
[  501.078185][ T8112]  ? 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))
[  501.078188][ T8112]  ? 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))
[  501.078195][ T8112]  netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[  501.078201][ T8112]  ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[  501.078204][ T8112]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[  501.078211][ T8112]  netlink_sendmsg (net/netlink/af_netlink.c:1900)
[  501.078217][ T8112]  ? netlink_unicast (./include/net/net_namespace.h:422 (discriminator 7))
[  501.078222][ T8112]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554)
[  501.078225][ T8112]  ? __import_iovec (lib/iov_iter.c:1358 lib/iov_iter.c:1373)
[  501.078232][ T8112]  __sock_sendmsg (net/socket.c:800 (discriminator 4) net/socket.c:815 (discriminator 4))
[  501.078236][ T8112]  ____sys_sendmsg (net/socket.c:2713)
[  501.078239][ T8112]  ? copy_msghdr_from_user (net/socket.c:2650)
[  501.078242][ T8112]  ? sock_write_iter (net/socket.c:1269)
[  501.078244][ T8112]  ? move_addr_to_kernel (net/socket.c:258)
[  501.078259][ T8112]  ___sys_sendmsg (net/socket.c:2767)
[  501.078264][ T8112]  ? copy_msghdr_from_user (net/socket.c:2619)
[  501.078288][ T8112]  __sys_sendmsg (net/socket.c:2799)
[  501.078292][ T8112]  ? __sys_sendmsg_sock (net/socket.c:2780)
[  501.078302][ T8112]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  501.078307][ T8112]  do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84)
[  501.078312][ T8112]  ? exc_page_fault (arch/x86/mm/fault.c:1489 (discriminator 3) arch/x86/mm/fault.c:1536 (discriminator 3))
[  501.078316][ T8112]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[  501.078319][ T8112] RIP: 0033:0x7f13dbaf454e
[  501.078325][ T8112] 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
[  501.078328][ T8112] RSP: 002b:00007ffc3431dea0 EFLAGS: 00000202 ORIG_RAX: 000000000000002e
[  501.078331][ T8112] RAX: ffffffffffffffda RBX: 0000000000000005 RCX: 00007f13dbaf454e
[  501.078333][ T8112] RDX: 0000000000000000 RSI: 00007ffc3431df50 RDI: 0000000000000005
[  501.078335][ T8112] RBP: 00007ffc3431deb0 R08: 0000000000000000 R09: 0000000000000000
[  501.078336][ T8112] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a90d814
[  501.078338][ T8112] R13: 00000000004a1620 R14: 0000000000000000 R15: 00007ffc3431e620
| [  510.108974][ T8248] softirqs last disabled at (25122): netif_change_name (./include/linux/spinlock.h:353 ./include/linux/seqlock.h:908 net/core/dev.c:1499)
| [  510.108976][ T8248] Preemption disabled at:
| [  510.108977][ T8248] vprintk_emit (kernel/printk/printk.c:2471)
| [  510.108985][ T8248] Tainted: [W]=WARN
[  510.108986][ T8248] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[  510.108988][ T8248] Call Trace:
[  510.108990][ T8248]  <TASK>
[  510.108991][ T8248]  dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120)
[  510.108997][ T8248]  ? vprintk_emit (kernel/printk/printk.c:2471)
[  510.108999][ T8248]  __might_resched.cold (kernel/sched/core.c:9234)
[  510.109004][ T8248]  ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3))
[  510.109008][ T8248]  ? __kmalloc_noprof (./include/linux/sched/mm.h:317 mm/slub.c:4636 mm/slub.c:4974 mm/slub.c:5413 mm/slub.c:5439)
[  510.109014][ T8248]  __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))
[  510.109017][ T8248]  ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[  510.109026][ T8248]  ? 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)
[  510.109029][ T8248]  alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[  510.109035][ T8248]  put_chars (drivers/char/virtio_console.c:1176)
[  510.109038][ T8248]  ? __send_to_port (drivers/char/virtio_console.c:654)
[  510.109048][ T8248]  hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2))
[  510.109058][ T8248]  ? hvc_write (drivers/tty/hvc/hvc_console.c:501)
[  510.109061][ T8248]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  510.109066][ T8248]  console_emit_next_record (kernel/printk/printk.c:3183)
[  510.109070][ T8248]  ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20)
[  510.109072][ T8248]  ? 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))
[  510.109075][ T8248]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  510.109078][ T8248]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  510.109082][ T8248]  console_flush_one_record (kernel/printk/printk.c:3268)
[  510.109086][ T8248]  ? console_emit_next_record (kernel/printk/printk.c:3150)
[  510.109088][ T8248]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[  510.109093][ T8248]  console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420)
[  510.109096][ T8248]  ? console_flush_one_record (kernel/printk/printk.c:3316)
[  510.109098][ T8248]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  510.109100][ T8248]  ? 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)
[  510.109104][ T8248]  ? __down_trylock_console_sem (kernel/printk/printk.c:334)
[  510.109106][ T8248]  ? vprintk_emit (kernel/printk/printk.c:2478)
[  510.109108][ T8248]  vprintk_emit (kernel/printk/printk.c:2479)
[  510.109111][ T8248]  ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126))
[  510.109114][ T8248]  ? _mutex_trylock_nest_lock (kernel/locking/mutex.c:1227 (discriminator 6))
[  510.109119][ T8248]  _printk (kernel/printk/printk.c:2504)
[  510.109123][ T8248]  ? snapshot_read.cold (user.c:?)
[  510.109125][ T8248]  ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4116 (discriminator 3) kernel/rcu/tree.c:4108 (discriminator 3))
[  510.109128][ T8248]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380)
[  510.109130][ T8248]  ? validate_chain (kernel/locking/lockdep.c:3817 (discriminator 2) kernel/locking/lockdep.c:3837 (discriminator 2) kernel/locking/lockdep.c:3892 (discriminator 2))
[  510.109133][ T8248]  ? netdev_name (./include/linux/netdevice.h:5709 (discriminator 1))
[  510.109136][ T8248]  ? __netdev_printk (net/core/dev.c:13148 (discriminator 2))
[  510.109139][ T8248]  ? do_setlink.isra.0 (net/core/rtnetlink.c:3246)
[  510.109141][ T8248]  netdev_info (net/core/dev.c:13195 (discriminator 3))
[  510.109144][ T8248]  ? netdev_notice (net/core/dev.c:13194)
[  510.109147][ T8248]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[  510.109150][ T8248]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554)
[  510.109153][ T8248]  ? mark_held_locks (kernel/locking/lockdep.c:4341)
[  510.109156][ T8248]  ? do_setlink.isra.0 (net/core/rtnetlink.c:3246)
[  510.109158][ T8248]  netif_change_name.cold (net/core/dev.c:1507 (discriminator 3))
[  510.109160][ T8248]  ? register_netdev (net/core/dev.c:11618)
[  510.109162][ T8248]  ? 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))
[  510.109167][ T8248]  ? netdev_adjacent_rename_links (net/core/dev.c:9598)
[  510.109169][ T8248]  ? __kernel_text_address (kernel/extable.c:79)
[  510.109172][ T8248]  ? write_profile (profile.c:?)
[  510.109176][ T8248]  ? __asan_memset (mm/kasan/shadow.c:84 (discriminator 1))
[  510.109182][ T8248]  do_setlink.isra.0 (net/core/rtnetlink.c:3246)
[  510.109185][ T8248]  ? stack_trace_save (kernel/stacktrace.c:122 (discriminator 1))
[  510.109188][ T8248]  ? rtnl_link_get_size (net/core/rtnetlink.c:747)
[  510.109189][ T8248]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:388 kernel/rcu/update.c:380)
[  510.109191][ T8248]  ? stack_depot_save_flags (lib/stackdepot.c:609 (discriminator 2) lib/stackdepot.c:676 (discriminator 2))
[  510.109194][ T8248]  ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4116 (discriminator 3) kernel/rcu/tree.c:4108 (discriminator 3))
[  510.109196][ T8248]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380)
[  510.109198][ T8248]  ? validate_chain (kernel/locking/lockdep.c:3817 (discriminator 2) kernel/locking/lockdep.c:3837 (discriminator 2) kernel/locking/lockdep.c:3892 (discriminator 2))
[  510.109201][ T8248]  ? kasan_save_stack (mm/kasan/common.c:58)
[  510.109203][ T8248]  ? kasan_save_stack (mm/kasan/common.c:57)
[  510.109204][ T8248]  ? kasan_save_track (mm/kasan/common.c:78)
[  510.109205][ T8248]  ? __kasan_kmalloc (mm/kasan/common.c:398 mm/kasan/common.c:415)
[  510.109207][ T8248]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[  510.109209][ T8248]  ? snd_ac97_proc_read_main (sound/pci/ac97/ac97_proc.c:320)
[  510.109212][ T8248]  ? ___sys_sendmsg (net/socket.c:2758)
[  510.109216][ T8248]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2))
[  510.109218][ T8248]  ? rtnl_newlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:366 net/core/rtnetlink.c:4214)
[  510.109221][ T8248]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  510.109222][ T8248]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  510.109224][ T8248]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  510.109225][ T8248]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  510.109227][ T8248]  ? trace_contention_end (./include/trace/events/lock.h:121 (discriminator 22))
[  510.109229][ T8248]  ? __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)
[  510.109230][ T8248]  ? __mutex_lock (kernel/locking/mutex.c:656 (discriminator 1) kernel/locking/mutex.c:821 (discriminator 1))
[  510.109232][ T8248]  ? rtnl_newlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:366 net/core/rtnetlink.c:4214)
[  510.109235][ T8248]  ? ww_mutex_lock (kernel/locking/mutex.c:934)
[  510.109237][ T8248]  ? nla_get_range_signed (lib/nlattr.c:270)
[  510.109242][ T8248]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  510.109244][ T8248]  ? __rtnl_newlink (net/core/rtnetlink.c:4063)
[  510.109252][ T8248]  rtnl_newlink (net/core/rtnetlink.c:4215)
[  510.109258][ T8248]  ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558)
[  510.109260][ T8248]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[  510.109264][ T8248]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2))
[  510.109266][ T8248]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[  510.109268][ T8248]  ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558)
[  510.109270][ T8248]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554)
[  510.109274][ T8248]  ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558)
[  510.109276][ T8248]  rtnetlink_rcv_msg (net/core/rtnetlink.c:7132)
[  510.109279][ T8248]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[  510.109280][ T8248]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[  510.109285][ T8248]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2))
[  510.109287][ T8248]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[  510.109290][ T8248]  netlink_rcv_skb (net/netlink/af_netlink.c:2556)
[  510.109294][ T8248]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[  510.109297][ T8248]  ? netlink_ack (./include/linux/skbuff.h:2718)
[  510.109303][ T8248]  ? 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))
[  510.109305][ T8248]  ? 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))
[  510.109310][ T8248]  netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[  510.109314][ T8248]  ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[  510.109316][ T8248]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[  510.109320][ T8248]  netlink_sendmsg (net/netlink/af_netlink.c:1900)
[  510.109324][ T8248]  ? netlink_unicast (./include/net/net_namespace.h:422 (discriminator 7))
[  510.109328][ T8248]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554)
[  510.109330][ T8248]  ? __import_iovec (lib/iov_iter.c:1358 lib/iov_iter.c:1373)
[  510.109335][ T8248]  __sock_sendmsg (net/socket.c:800 (discriminator 4) net/socket.c:815 (discriminator 4))
[  510.109338][ T8248]  ____sys_sendmsg (net/socket.c:2713)
[  510.109340][ T8248]  ? copy_msghdr_from_user (net/socket.c:2650)
[  510.109343][ T8248]  ? sock_write_iter (net/socket.c:1269)
[  510.109344][ T8248]  ? move_addr_to_kernel (net/socket.c:258)
[  510.109352][ T8248]  ___sys_sendmsg (net/socket.c:2767)
[  510.109356][ T8248]  ? copy_msghdr_from_user (net/socket.c:2619)
[  510.109372][ T8248]  __sys_sendmsg (net/socket.c:2799)
[  510.109375][ T8248]  ? __sys_sendmsg_sock (net/socket.c:2780)
[  510.109381][ T8248]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  510.109384][ T8248]  do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84)
[  510.109387][ T8248]  ? exc_page_fault (arch/x86/mm/fault.c:1489 (discriminator 3) arch/x86/mm/fault.c:1536 (discriminator 3))
[  510.109390][ T8248]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[  510.109393][ T8248] RIP: 0033:0x7f2f3181e54e
[  510.109396][ T8248] 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
[  510.109398][ T8248] RSP: 002b:00007ffd9687adf0 EFLAGS: 00000202 ORIG_RAX: 000000000000002e
[  510.109401][ T8248] RAX: ffffffffffffffda RBX: 0000000000000005 RCX: 00007f2f3181e54e
[  510.109402][ T8248] RDX: 0000000000000000 RSI: 00007ffd9687aea0 RDI: 0000000000000005
[  510.109403][ T8248] RBP: 00007ffd9687ae00 R08: 0000000000000000 R09: 0000000000000000
[  510.109404][ T8248] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a90d81d
[  510.109405][ T8248] R13: 00000000004a1620 R14: 0000000000000000 R15: 00007ffd9687b570
| [  519.719115][ T8384] softirqs last disabled at (17832): netif_change_name (./include/linux/spinlock.h:353 ./include/linux/seqlock.h:908 net/core/dev.c:1499)
| [  519.719117][ T8384] Preemption disabled at:
| [  519.719118][ T8384] vprintk_emit (kernel/printk/printk.c:2471)
| [  519.719127][ T8384] Tainted: [W]=WARN
[  519.719128][ T8384] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[  519.719130][ T8384] Call Trace:
[  519.719132][ T8384]  <TASK>
[  519.719133][ T8384]  dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120)
[  519.719139][ T8384]  ? vprintk_emit (kernel/printk/printk.c:2471)
[  519.719141][ T8384]  __might_resched.cold (kernel/sched/core.c:9234)
[  519.719146][ T8384]  ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3))
[  519.719151][ T8384]  ? __kmalloc_noprof (./include/linux/sched/mm.h:317 mm/slub.c:4636 mm/slub.c:4974 mm/slub.c:5413 mm/slub.c:5439)
[  519.719156][ T8384]  __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))
[  519.719157][ T8384]  ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[  519.719164][ T8384]  ? 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)
[  519.719167][ T8384]  alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[  519.719171][ T8384]  put_chars (drivers/char/virtio_console.c:1176)
[  519.719174][ T8384]  ? __send_to_port (drivers/char/virtio_console.c:654)
[  519.719180][ T8384]  hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2))
[  519.719188][ T8384]  ? hvc_write (drivers/tty/hvc/hvc_console.c:501)
[  519.719191][ T8384]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  519.719196][ T8384]  console_emit_next_record (kernel/printk/printk.c:3183)
[  519.719200][ T8384]  ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20)
[  519.719202][ T8384]  ? 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))
[  519.719205][ T8384]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  519.719208][ T8384]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  519.719212][ T8384]  console_flush_one_record (kernel/printk/printk.c:3268)
[  519.719217][ T8384]  ? console_emit_next_record (kernel/printk/printk.c:3150)
[  519.719219][ T8384]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[  519.719226][ T8384]  console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420)
[  519.719231][ T8384]  ? console_flush_one_record (kernel/printk/printk.c:3316)
[  519.719233][ T8384]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  519.719236][ T8384]  ? 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)
[  519.719240][ T8384]  ? __down_trylock_console_sem (kernel/printk/printk.c:334)
[  519.719241][ T8384]  ? vprintk_emit (kernel/printk/printk.c:2478)
[  519.719244][ T8384]  vprintk_emit (kernel/printk/printk.c:2479)
[  519.719250][ T8384]  ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126))
[  519.719253][ T8384]  ? _mutex_trylock_nest_lock (kernel/locking/mutex.c:1227 (discriminator 6))
[  519.719259][ T8384]  _printk (kernel/printk/printk.c:2504)
[  519.719262][ T8384]  ? snapshot_read.cold (user.c:?)
[  519.719264][ T8384]  ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4116 (discriminator 3) kernel/rcu/tree.c:4108 (discriminator 3))
[  519.719267][ T8384]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380)
[  519.719270][ T8384]  ? validate_chain (kernel/locking/lockdep.c:3817 (discriminator 2) kernel/locking/lockdep.c:3837 (discriminator 2) kernel/locking/lockdep.c:3892 (discriminator 2))
[  519.719272][ T8384]  ? netdev_name (./include/linux/netdevice.h:5709 (discriminator 1))
[  519.719276][ T8384]  ? __netdev_printk (net/core/dev.c:13148 (discriminator 2))
[  519.719279][ T8384]  ? do_setlink.isra.0 (net/core/rtnetlink.c:3246)
[  519.719281][ T8384]  netdev_info (net/core/dev.c:13195 (discriminator 3))
[  519.719285][ T8384]  ? netdev_notice (net/core/dev.c:13194)
[  519.719287][ T8384]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[  519.719290][ T8384]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554)
[  519.719293][ T8384]  ? mark_held_locks (kernel/locking/lockdep.c:4341)
[  519.719297][ T8384]  ? do_setlink.isra.0 (net/core/rtnetlink.c:3246)
[  519.719299][ T8384]  netif_change_name.cold (net/core/dev.c:1507 (discriminator 3))
[  519.719301][ T8384]  ? register_netdev (net/core/dev.c:11618)
[  519.719302][ T8384]  ? 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))
[  519.719308][ T8384]  ? netdev_adjacent_rename_links (net/core/dev.c:9598)
[  519.719311][ T8384]  ? __kernel_text_address (kernel/extable.c:79)
[  519.719314][ T8384]  ? write_profile (profile.c:?)
[  519.719318][ T8384]  ? __asan_memset (mm/kasan/shadow.c:84 (discriminator 1))
[  519.719324][ T8384]  do_setlink.isra.0 (net/core/rtnetlink.c:3246)
[  519.719327][ T8384]  ? stack_trace_save (kernel/stacktrace.c:122 (discriminator 1))
[  519.719330][ T8384]  ? rtnl_link_get_size (net/core/rtnetlink.c:747)
[  519.719331][ T8384]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:388 kernel/rcu/update.c:380)
[  519.719333][ T8384]  ? stack_depot_save_flags (lib/stackdepot.c:609 (discriminator 2) lib/stackdepot.c:676 (discriminator 2))
[  519.719336][ T8384]  ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4116 (discriminator 3) kernel/rcu/tree.c:4108 (discriminator 3))
[  519.719338][ T8384]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380)
[  519.719340][ T8384]  ? validate_chain (kernel/locking/lockdep.c:3817 (discriminator 2) kernel/locking/lockdep.c:3837 (discriminator 2) kernel/locking/lockdep.c:3892 (discriminator 2))
[  519.719343][ T8384]  ? kasan_save_stack (mm/kasan/common.c:58)
[  519.719345][ T8384]  ? kasan_save_stack (mm/kasan/common.c:57)
[  519.719346][ T8384]  ? kasan_save_track (mm/kasan/common.c:78)
[  519.719347][ T8384]  ? __kasan_kmalloc (mm/kasan/common.c:398 mm/kasan/common.c:415)
[  519.719350][ T8384]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[  519.719352][ T8384]  ? snd_ac97_proc_read_main (sound/pci/ac97/ac97_proc.c:320)
[  519.719355][ T8384]  ? ___sys_sendmsg (net/socket.c:2758)
[  519.719359][ T8384]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2))
[  519.719361][ T8384]  ? rtnl_newlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:366 net/core/rtnetlink.c:4214)
[  519.719363][ T8384]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  519.719365][ T8384]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  519.719367][ T8384]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  519.719368][ T8384]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  519.719370][ T8384]  ? trace_contention_end (./include/trace/events/lock.h:121 (discriminator 22))
[  519.719372][ T8384]  ? __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)
[  519.719374][ T8384]  ? __mutex_lock (kernel/locking/mutex.c:656 (discriminator 1) kernel/locking/mutex.c:821 (discriminator 1))
[  519.719376][ T8384]  ? rtnl_newlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:366 net/core/rtnetlink.c:4214)
[  519.719379][ T8384]  ? ww_mutex_lock (kernel/locking/mutex.c:934)
[  519.719380][ T8384]  ? nla_get_range_signed (lib/nlattr.c:270)
[  519.719386][ T8384]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  519.719388][ T8384]  ? __rtnl_newlink (net/core/rtnetlink.c:4063)
[  519.719393][ T8384]  rtnl_newlink (net/core/rtnetlink.c:4215)
[  519.719399][ T8384]  ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558)
[  519.719401][ T8384]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[  519.719405][ T8384]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2))
[  519.719407][ T8384]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[  519.719409][ T8384]  ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558)
[  519.719411][ T8384]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554)
[  519.719415][ T8384]  ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558)
[  519.719417][ T8384]  rtnetlink_rcv_msg (net/core/rtnetlink.c:7132)
[  519.719420][ T8384]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[  519.719422][ T8384]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[  519.719426][ T8384]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2))
[  519.719428][ T8384]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[  519.719432][ T8384]  netlink_rcv_skb (net/netlink/af_netlink.c:2556)
[  519.719435][ T8384]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[  519.719438][ T8384]  ? netlink_ack (./include/linux/skbuff.h:2718)
[  519.719445][ T8384]  ? 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))
[  519.719447][ T8384]  ? 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))
[  519.719451][ T8384]  netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[  519.719455][ T8384]  ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[  519.719458][ T8384]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[  519.719462][ T8384]  netlink_sendmsg (net/netlink/af_netlink.c:1900)
[  519.719466][ T8384]  ? netlink_unicast (./include/net/net_namespace.h:422 (discriminator 7))
[  519.719470][ T8384]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554)
[  519.719472][ T8384]  ? __import_iovec (lib/iov_iter.c:1358 lib/iov_iter.c:1373)
[  519.719478][ T8384]  __sock_sendmsg (net/socket.c:800 (discriminator 4) net/socket.c:815 (discriminator 4))
[  519.719480][ T8384]  ____sys_sendmsg (net/socket.c:2713)
[  519.719483][ T8384]  ? copy_msghdr_from_user (net/socket.c:2650)
[  519.719485][ T8384]  ? sock_write_iter (net/socket.c:1269)
[  519.719487][ T8384]  ? move_addr_to_kernel (net/socket.c:258)
[  519.719494][ T8384]  ___sys_sendmsg (net/socket.c:2767)
[  519.719497][ T8384]  ? copy_msghdr_from_user (net/socket.c:2619)
[  519.719513][ T8384]  __sys_sendmsg (net/socket.c:2799)
[  519.719516][ T8384]  ? __sys_sendmsg_sock (net/socket.c:2780)
[  519.719523][ T8384]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  519.719526][ T8384]  do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84)
[  519.719529][ T8384]  ? exc_page_fault (arch/x86/mm/fault.c:1489 (discriminator 3) arch/x86/mm/fault.c:1536 (discriminator 3))
[  519.719532][ T8384]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[  519.719534][ T8384] RIP: 0033:0x7f97fe71054e
[  519.719538][ T8384] 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
[  519.719540][ T8384] RSP: 002b:00007fff45faafc0 EFLAGS: 00000202 ORIG_RAX: 000000000000002e
[  519.719543][ T8384] RAX: ffffffffffffffda RBX: 0000000000000005 RCX: 00007f97fe71054e
[  519.719545][ T8384] RDX: 0000000000000000 RSI: 00007fff45fab070 RDI: 0000000000000005
[  519.719546][ T8384] RBP: 00007fff45faafd0 R08: 0000000000000000 R09: 0000000000000000
[  519.719546][ T8384] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a90d827
[  519.719547][ T8384] R13: 00000000004a1620 R14: 0000000000000000 R15: 00007fff45fab740
| [  529.056130][ T8527] softirqs last disabled at (18468): netif_change_name (./include/linux/spinlock.h:353 ./include/linux/seqlock.h:908 net/core/dev.c:1499)
| [  529.056132][ T8527] Preemption disabled at:
| [  529.056133][ T8527] vprintk_emit (kernel/printk/printk.c:2471)
| [  529.056143][ T8527] Tainted: [W]=WARN
[  529.056145][ T8527] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[  529.056147][ T8527] Call Trace:
[  529.056149][ T8527]  <TASK>
[  529.056151][ T8527]  dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120)
[  529.056159][ T8527]  ? vprintk_emit (kernel/printk/printk.c:2471)
[  529.056161][ T8527]  __might_resched.cold (kernel/sched/core.c:9234)
[  529.056166][ T8527]  ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3))
[  529.056171][ T8527]  ? __kmalloc_noprof (./include/linux/sched/mm.h:317 mm/slub.c:4636 mm/slub.c:4974 mm/slub.c:5413 mm/slub.c:5439)
[  529.056175][ T8527]  __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))
[  529.056177][ T8527]  ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[  529.056184][ T8527]  ? 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)
[  529.056187][ T8527]  alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[  529.056191][ T8527]  put_chars (drivers/char/virtio_console.c:1176)
[  529.056193][ T8527]  ? __send_to_port (drivers/char/virtio_console.c:654)
[  529.056200][ T8527]  hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2))
[  529.056207][ T8527]  ? hvc_write (drivers/tty/hvc/hvc_console.c:501)
[  529.056210][ T8527]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  529.056215][ T8527]  console_emit_next_record (kernel/printk/printk.c:3183)
[  529.056219][ T8527]  ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20)
[  529.056221][ T8527]  ? 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))
[  529.056224][ T8527]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  529.056227][ T8527]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  529.056231][ T8527]  console_flush_one_record (kernel/printk/printk.c:3268)
[  529.056235][ T8527]  ? console_emit_next_record (kernel/printk/printk.c:3150)
[  529.056237][ T8527]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[  529.056243][ T8527]  console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420)
[  529.056245][ T8527]  ? console_flush_one_record (kernel/printk/printk.c:3316)
[  529.056251][ T8527]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  529.056253][ T8527]  ? 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)
[  529.056256][ T8527]  ? __down_trylock_console_sem (kernel/printk/printk.c:334)
[  529.056258][ T8527]  ? vprintk_emit (kernel/printk/printk.c:2478)
[  529.056261][ T8527]  vprintk_emit (kernel/printk/printk.c:2479)
[  529.056264][ T8527]  ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126))
[  529.056267][ T8527]  ? _mutex_trylock_nest_lock (kernel/locking/mutex.c:1227 (discriminator 6))
[  529.056272][ T8527]  _printk (kernel/printk/printk.c:2504)
[  529.056276][ T8527]  ? snapshot_read.cold (user.c:?)
[  529.056277][ T8527]  ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4116 (discriminator 3) kernel/rcu/tree.c:4108 (discriminator 3))
[  529.056280][ T8527]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380)
[  529.056283][ T8527]  ? validate_chain (kernel/locking/lockdep.c:3817 (discriminator 2) kernel/locking/lockdep.c:3837 (discriminator 2) kernel/locking/lockdep.c:3892 (discriminator 2))
[  529.056285][ T8527]  ? netdev_name (./include/linux/netdevice.h:5709 (discriminator 1))
[  529.056289][ T8527]  ? __netdev_printk (net/core/dev.c:13148 (discriminator 2))
[  529.056292][ T8527]  ? do_setlink.isra.0 (net/core/rtnetlink.c:3246)
[  529.056294][ T8527]  netdev_info (net/core/dev.c:13195 (discriminator 3))
[  529.056297][ T8527]  ? netdev_notice (net/core/dev.c:13194)
[  529.056300][ T8527]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[  529.056303][ T8527]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554)
[  529.056306][ T8527]  ? mark_held_locks (kernel/locking/lockdep.c:4341)
[  529.056309][ T8527]  ? do_setlink.isra.0 (net/core/rtnetlink.c:3246)
[  529.056311][ T8527]  netif_change_name.cold (net/core/dev.c:1507 (discriminator 3))
[  529.056314][ T8527]  ? register_netdev (net/core/dev.c:11618)
[  529.056315][ T8527]  ? 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))
[  529.056320][ T8527]  ? netdev_adjacent_rename_links (net/core/dev.c:9598)
[  529.056323][ T8527]  ? __kernel_text_address (kernel/extable.c:79)
[  529.056326][ T8527]  ? write_profile (profile.c:?)
[  529.056330][ T8527]  ? __asan_memset (mm/kasan/shadow.c:84 (discriminator 1))
[  529.056336][ T8527]  do_setlink.isra.0 (net/core/rtnetlink.c:3246)
[  529.056339][ T8527]  ? stack_trace_save (kernel/stacktrace.c:122 (discriminator 1))
[  529.056341][ T8527]  ? rtnl_link_get_size (net/core/rtnetlink.c:747)
[  529.056343][ T8527]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:388 kernel/rcu/update.c:380)
[  529.056344][ T8527]  ? stack_depot_save_flags (lib/stackdepot.c:609 (discriminator 2) lib/stackdepot.c:676 (discriminator 2))
[  529.056348][ T8527]  ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4116 (discriminator 3) kernel/rcu/tree.c:4108 (discriminator 3))
[  529.056350][ T8527]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380)
[  529.056352][ T8527]  ? validate_chain (kernel/locking/lockdep.c:3817 (discriminator 2) kernel/locking/lockdep.c:3837 (discriminator 2) kernel/locking/lockdep.c:3892 (discriminator 2))
[  529.056355][ T8527]  ? kasan_save_stack (mm/kasan/common.c:58)
[  529.056357][ T8527]  ? kasan_save_stack (mm/kasan/common.c:57)
[  529.056358][ T8527]  ? kasan_save_track (mm/kasan/common.c:78)
[  529.056359][ T8527]  ? __kasan_kmalloc (mm/kasan/common.c:398 mm/kasan/common.c:415)
[  529.056362][ T8527]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[  529.056364][ T8527]  ? snd_ac97_proc_read_main (sound/pci/ac97/ac97_proc.c:320)
[  529.056366][ T8527]  ? ___sys_sendmsg (net/socket.c:2758)
[  529.056370][ T8527]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2))
[  529.056372][ T8527]  ? rtnl_newlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:366 net/core/rtnetlink.c:4214)
[  529.056375][ T8527]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  529.056377][ T8527]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  529.056378][ T8527]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  529.056379][ T8527]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  529.056381][ T8527]  ? trace_contention_end (./include/trace/events/lock.h:121 (discriminator 22))
[  529.056383][ T8527]  ? __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)
[  529.056385][ T8527]  ? __mutex_lock (kernel/locking/mutex.c:656 (discriminator 1) kernel/locking/mutex.c:821 (discriminator 1))
[  529.056387][ T8527]  ? rtnl_newlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:366 net/core/rtnetlink.c:4214)
[  529.056390][ T8527]  ? ww_mutex_lock (kernel/locking/mutex.c:934)
[  529.056391][ T8527]  ? nla_get_range_signed (lib/nlattr.c:270)
[  529.056396][ T8527]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  529.056399][ T8527]  ? __rtnl_newlink (net/core/rtnetlink.c:4063)
[  529.056404][ T8527]  rtnl_newlink (net/core/rtnetlink.c:4215)
[  529.056409][ T8527]  ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558)
[  529.056411][ T8527]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[  529.056416][ T8527]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2))
[  529.056418][ T8527]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[  529.056420][ T8527]  ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558)
[  529.056422][ T8527]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554)
[  529.056426][ T8527]  ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558)
[  529.056428][ T8527]  rtnetlink_rcv_msg (net/core/rtnetlink.c:7132)
[  529.056431][ T8527]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[  529.056433][ T8527]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[  529.056437][ T8527]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2))
[  529.056439][ T8527]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[  529.056443][ T8527]  netlink_rcv_skb (net/netlink/af_netlink.c:2556)
[  529.056446][ T8527]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[  529.056449][ T8527]  ? netlink_ack (./include/linux/skbuff.h:2718)
[  529.056455][ T8527]  ? 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))
[  529.056457][ T8527]  ? 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))
[  529.056462][ T8527]  netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[  529.056466][ T8527]  ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[  529.056469][ T8527]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[  529.056473][ T8527]  netlink_sendmsg (net/netlink/af_netlink.c:1900)
[  529.056477][ T8527]  ? netlink_unicast (./include/net/net_namespace.h:422 (discriminator 7))
[  529.056481][ T8527]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554)
[  529.056482][ T8527]  ? __import_iovec (lib/iov_iter.c:1358 lib/iov_iter.c:1373)
[  529.056488][ T8527]  __sock_sendmsg (net/socket.c:800 (discriminator 4) net/socket.c:815 (discriminator 4))
[  529.056491][ T8527]  ____sys_sendmsg (net/socket.c:2713)
[  529.056493][ T8527]  ? copy_msghdr_from_user (net/socket.c:2650)
[  529.056495][ T8527]  ? sock_write_iter (net/socket.c:1269)
[  529.056497][ T8527]  ? move_addr_to_kernel (net/socket.c:258)
[  529.056504][ T8527]  ___sys_sendmsg (net/socket.c:2767)
[  529.056507][ T8527]  ? copy_msghdr_from_user (net/socket.c:2619)
[  529.056523][ T8527]  __sys_sendmsg (net/socket.c:2799)
[  529.056526][ T8527]  ? __sys_sendmsg_sock (net/socket.c:2780)
[  529.056532][ T8527]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  529.056535][ T8527]  do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84)
[  529.056539][ T8527]  ? exc_page_fault (arch/x86/mm/fault.c:1489 (discriminator 3) arch/x86/mm/fault.c:1536 (discriminator 3))
[  529.056542][ T8527]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[  529.056544][ T8527] RIP: 0033:0x7fcc19cc754e
[  529.056548][ T8527] 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
[  529.056550][ T8527] RSP: 002b:00007ffdc75da0d0 EFLAGS: 00000202 ORIG_RAX: 000000000000002e
[  529.056553][ T8527] RAX: ffffffffffffffda RBX: 0000000000000005 RCX: 00007fcc19cc754e
[  529.056554][ T8527] RDX: 0000000000000000 RSI: 00007ffdc75da180 RDI: 0000000000000005
[  529.056555][ T8527] RBP: 00007ffdc75da0e0 R08: 0000000000000000 R09: 0000000000000000
[  529.056556][ T8527] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a90d830
[  529.056556][ T8527] R13: 00000000004a1620 R14: 0000000000000000 R15: 00007ffdc75da850
| [  538.493064][ T8670] softirqs last disabled at (19474): netif_change_name (./include/linux/spinlock.h:353 ./include/linux/seqlock.h:908 net/core/dev.c:1499)
| [  538.493067][ T8670] Preemption disabled at:
| [  538.493067][ T8670] vprintk_emit (kernel/printk/printk.c:2471)
| [  538.493076][ T8670] Tainted: [W]=WARN
[  538.493077][ T8670] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[  538.493079][ T8670] Call Trace:
[  538.493081][ T8670]  <TASK>
[  538.493082][ T8670]  dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120)
[  538.493088][ T8670]  ? vprintk_emit (kernel/printk/printk.c:2471)
[  538.493090][ T8670]  __might_resched.cold (kernel/sched/core.c:9234)
[  538.493095][ T8670]  ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3))
[  538.493099][ T8670]  ? __kmalloc_noprof (./include/linux/sched/mm.h:317 mm/slub.c:4636 mm/slub.c:4974 mm/slub.c:5413 mm/slub.c:5439)
[  538.493104][ T8670]  __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))
[  538.493106][ T8670]  ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[  538.493112][ T8670]  ? 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)
[  538.493115][ T8670]  alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[  538.493119][ T8670]  put_chars (drivers/char/virtio_console.c:1176)
[  538.493121][ T8670]  ? __send_to_port (drivers/char/virtio_console.c:654)
[  538.493128][ T8670]  hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2))
[  538.493135][ T8670]  ? hvc_write (drivers/tty/hvc/hvc_console.c:501)
[  538.493139][ T8670]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  538.493146][ T8670]  console_emit_next_record (kernel/printk/printk.c:3183)
[  538.493152][ T8670]  ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20)
[  538.493155][ T8670]  ? 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))
[  538.493158][ T8670]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  538.493161][ T8670]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  538.493165][ T8670]  console_flush_one_record (kernel/printk/printk.c:3268)
[  538.493170][ T8670]  ? console_emit_next_record (kernel/printk/printk.c:3150)
[  538.493172][ T8670]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[  538.493177][ T8670]  console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420)
[  538.493180][ T8670]  ? console_flush_one_record (kernel/printk/printk.c:3316)
[  538.493182][ T8670]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  538.493183][ T8670]  ? 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)
[  538.493187][ T8670]  ? __down_trylock_console_sem (kernel/printk/printk.c:334)
[  538.493189][ T8670]  ? vprintk_emit (kernel/printk/printk.c:2478)
[  538.493192][ T8670]  vprintk_emit (kernel/printk/printk.c:2479)
[  538.493195][ T8670]  ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126))
[  538.493198][ T8670]  ? _mutex_trylock_nest_lock (kernel/locking/mutex.c:1227 (discriminator 6))
[  538.493203][ T8670]  _printk (kernel/printk/printk.c:2504)
[  538.493207][ T8670]  ? snapshot_read.cold (user.c:?)
[  538.493208][ T8670]  ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4116 (discriminator 3) kernel/rcu/tree.c:4108 (discriminator 3))
[  538.493211][ T8670]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380)
[  538.493214][ T8670]  ? validate_chain (kernel/locking/lockdep.c:3817 (discriminator 2) kernel/locking/lockdep.c:3837 (discriminator 2) kernel/locking/lockdep.c:3892 (discriminator 2))
[  538.493216][ T8670]  ? netdev_name (./include/linux/netdevice.h:5709 (discriminator 1))
[  538.493220][ T8670]  ? __netdev_printk (net/core/dev.c:13148 (discriminator 2))
[  538.493223][ T8670]  ? do_setlink.isra.0 (net/core/rtnetlink.c:3246)
[  538.493225][ T8670]  netdev_info (net/core/dev.c:13195 (discriminator 3))
[  538.493228][ T8670]  ? netdev_notice (net/core/dev.c:13194)
[  538.493231][ T8670]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[  538.493234][ T8670]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554)
[  538.493236][ T8670]  ? mark_held_locks (kernel/locking/lockdep.c:4341)
[  538.493240][ T8670]  ? do_setlink.isra.0 (net/core/rtnetlink.c:3246)
[  538.493242][ T8670]  netif_change_name.cold (net/core/dev.c:1507 (discriminator 3))
[  538.493244][ T8670]  ? register_netdev (net/core/dev.c:11618)
[  538.493245][ T8670]  ? 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))
[  538.493255][ T8670]  ? netdev_adjacent_rename_links (net/core/dev.c:9598)
[  538.493257][ T8670]  ? __kernel_text_address (kernel/extable.c:79)
[  538.493261][ T8670]  ? write_profile (profile.c:?)
[  538.493267][ T8670]  ? __asan_memset (mm/kasan/shadow.c:84 (discriminator 1))
[  538.493274][ T8670]  do_setlink.isra.0 (net/core/rtnetlink.c:3246)
[  538.493277][ T8670]  ? stack_trace_save (kernel/stacktrace.c:122 (discriminator 1))
[  538.493279][ T8670]  ? rtnl_link_get_size (net/core/rtnetlink.c:747)
[  538.493281][ T8670]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:388 kernel/rcu/update.c:380)
[  538.493283][ T8670]  ? stack_depot_save_flags (lib/stackdepot.c:609 (discriminator 2) lib/stackdepot.c:676 (discriminator 2))
[  538.493286][ T8670]  ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4116 (discriminator 3) kernel/rcu/tree.c:4108 (discriminator 3))
[  538.493288][ T8670]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380)
[  538.493290][ T8670]  ? validate_chain (kernel/locking/lockdep.c:3817 (discriminator 2) kernel/locking/lockdep.c:3837 (discriminator 2) kernel/locking/lockdep.c:3892 (discriminator 2))
[  538.493293][ T8670]  ? kasan_save_stack (mm/kasan/common.c:58)
[  538.493295][ T8670]  ? kasan_save_stack (mm/kasan/common.c:57)
[  538.493296][ T8670]  ? kasan_save_track (mm/kasan/common.c:78)
[  538.493297][ T8670]  ? __kasan_kmalloc (mm/kasan/common.c:398 mm/kasan/common.c:415)
[  538.493299][ T8670]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[  538.493301][ T8670]  ? snd_ac97_proc_read_main (sound/pci/ac97/ac97_proc.c:320)
[  538.493304][ T8670]  ? ___sys_sendmsg (net/socket.c:2758)
[  538.493308][ T8670]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2))
[  538.493310][ T8670]  ? rtnl_newlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:366 net/core/rtnetlink.c:4214)
[  538.493313][ T8670]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  538.493315][ T8670]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  538.493316][ T8670]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  538.493318][ T8670]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  538.493319][ T8670]  ? trace_contention_end (./include/trace/events/lock.h:121 (discriminator 22))
[  538.493322][ T8670]  ? __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)
[  538.493323][ T8670]  ? __mutex_lock (kernel/locking/mutex.c:656 (discriminator 1) kernel/locking/mutex.c:821 (discriminator 1))
[  538.493325][ T8670]  ? rtnl_newlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:366 net/core/rtnetlink.c:4214)
[  538.493328][ T8670]  ? ww_mutex_lock (kernel/locking/mutex.c:934)
[  538.493329][ T8670]  ? nla_get_range_signed (lib/nlattr.c:270)
[  538.493335][ T8670]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  538.493337][ T8670]  ? __rtnl_newlink (net/core/rtnetlink.c:4063)
[  538.493342][ T8670]  rtnl_newlink (net/core/rtnetlink.c:4215)
[  538.493348][ T8670]  ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558)
[  538.493349][ T8670]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[  538.493356][ T8670]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2))
[  538.493359][ T8670]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[  538.493361][ T8670]  ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558)
[  538.493363][ T8670]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554)
[  538.493367][ T8670]  ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558)
[  538.493369][ T8670]  rtnetlink_rcv_msg (net/core/rtnetlink.c:7132)
[  538.493372][ T8670]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[  538.493373][ T8670]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[  538.493378][ T8670]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2))
[  538.493380][ T8670]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[  538.493383][ T8670]  netlink_rcv_skb (net/netlink/af_netlink.c:2556)
[  538.493387][ T8670]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[  538.493390][ T8670]  ? netlink_ack (./include/linux/skbuff.h:2718)
[  538.493396][ T8670]  ? 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))
[  538.493398][ T8670]  ? 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))
[  538.493403][ T8670]  netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[  538.493407][ T8670]  ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[  538.493409][ T8670]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[  538.493414][ T8670]  netlink_sendmsg (net/netlink/af_netlink.c:1900)
[  538.493419][ T8670]  ? netlink_unicast (./include/net/net_namespace.h:422 (discriminator 7))
[  538.493425][ T8670]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554)
[  538.493427][ T8670]  ? __import_iovec (lib/iov_iter.c:1358 lib/iov_iter.c:1373)
[  538.493433][ T8670]  __sock_sendmsg (net/socket.c:800 (discriminator 4) net/socket.c:815 (discriminator 4))
[  538.493436][ T8670]  ____sys_sendmsg (net/socket.c:2713)
[  538.493438][ T8670]  ? copy_msghdr_from_user (net/socket.c:2650)
[  538.493440][ T8670]  ? sock_write_iter (net/socket.c:1269)
[  538.493442][ T8670]  ? move_addr_to_kernel (net/socket.c:258)
[  538.493450][ T8670]  ___sys_sendmsg (net/socket.c:2767)
[  538.493452][ T8670]  ? copy_msghdr_from_user (net/socket.c:2619)
[  538.493468][ T8670]  __sys_sendmsg (net/socket.c:2799)
[  538.493471][ T8670]  ? __sys_sendmsg_sock (net/socket.c:2780)
[  538.493478][ T8670]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  538.493481][ T8670]  do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84)
[  538.493484][ T8670]  ? exc_page_fault (arch/x86/mm/fault.c:1489 (discriminator 3) arch/x86/mm/fault.c:1536 (discriminator 3))
[  538.493487][ T8670]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[  538.493489][ T8670] RIP: 0033:0x7f0364bd954e
[  538.493494][ T8670] 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
[  538.493496][ T8670] RSP: 002b:00007ffc211c8180 EFLAGS: 00000202 ORIG_RAX: 000000000000002e
[  538.493499][ T8670] RAX: ffffffffffffffda RBX: 0000000000000005 RCX: 00007f0364bd954e
[  538.493500][ T8670] RDX: 0000000000000000 RSI: 00007ffc211c8230 RDI: 0000000000000005
[  538.493501][ T8670] RBP: 00007ffc211c8190 R08: 0000000000000000 R09: 0000000000000000
[  538.493502][ T8670] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a90d839
[  538.493503][ T8670] R13: 00000000004a1620 R14: 0000000000000000 R15: 00007ffc211c8900
| [  548.029388][ T8813] softirqs last disabled at (34284): netif_change_name (./include/linux/spinlock.h:353 ./include/linux/seqlock.h:908 net/core/dev.c:1499)
| [  548.029391][ T8813] Preemption disabled at:
| [  548.029392][ T8813] vprintk_emit (kernel/printk/printk.c:2471)
| [  548.029401][ T8813] Tainted: [W]=WARN
[  548.029402][ T8813] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[  548.029404][ T8813] Call Trace:
[  548.029405][ T8813]  <TASK>
[  548.029407][ T8813]  dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120)
[  548.029413][ T8813]  ? vprintk_emit (kernel/printk/printk.c:2471)
[  548.029415][ T8813]  __might_resched.cold (kernel/sched/core.c:9234)
[  548.029420][ T8813]  ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3))
[  548.029424][ T8813]  ? __kmalloc_noprof (./include/linux/sched/mm.h:317 mm/slub.c:4636 mm/slub.c:4974 mm/slub.c:5413 mm/slub.c:5439)
[  548.029428][ T8813]  __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))
[  548.029430][ T8813]  ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[  548.029437][ T8813]  ? 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)
[  548.029439][ T8813]  alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[  548.029443][ T8813]  put_chars (drivers/char/virtio_console.c:1176)
[  548.029446][ T8813]  ? __send_to_port (drivers/char/virtio_console.c:654)
[  548.029452][ T8813]  hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2))
[  548.029459][ T8813]  ? hvc_write (drivers/tty/hvc/hvc_console.c:501)
[  548.029463][ T8813]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  548.029467][ T8813]  console_emit_next_record (kernel/printk/printk.c:3183)
[  548.029472][ T8813]  ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20)
[  548.029474][ T8813]  ? 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))
[  548.029477][ T8813]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  548.029479][ T8813]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  548.029483][ T8813]  console_flush_one_record (kernel/printk/printk.c:3268)
[  548.029488][ T8813]  ? console_emit_next_record (kernel/printk/printk.c:3150)
[  548.029490][ T8813]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[  548.029495][ T8813]  console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420)
[  548.029498][ T8813]  ? console_flush_one_record (kernel/printk/printk.c:3316)
[  548.029500][ T8813]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  548.029501][ T8813]  ? 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)
[  548.029505][ T8813]  ? __down_trylock_console_sem (kernel/printk/printk.c:334)
[  548.029507][ T8813]  ? vprintk_emit (kernel/printk/printk.c:2478)
[  548.029510][ T8813]  vprintk_emit (kernel/printk/printk.c:2479)
[  548.029513][ T8813]  ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126))
[  548.029516][ T8813]  ? _mutex_trylock_nest_lock (kernel/locking/mutex.c:1227 (discriminator 6))
[  548.029521][ T8813]  _printk (kernel/printk/printk.c:2504)
[  548.029524][ T8813]  ? snapshot_read.cold (user.c:?)
[  548.029526][ T8813]  ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4116 (discriminator 3) kernel/rcu/tree.c:4108 (discriminator 3))
[  548.029529][ T8813]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380)
[  548.029532][ T8813]  ? validate_chain (kernel/locking/lockdep.c:3817 (discriminator 2) kernel/locking/lockdep.c:3837 (discriminator 2) kernel/locking/lockdep.c:3892 (discriminator 2))
[  548.029534][ T8813]  ? netdev_name (./include/linux/netdevice.h:5709 (discriminator 1))
[  548.029538][ T8813]  ? __netdev_printk (net/core/dev.c:13148 (discriminator 2))
[  548.029541][ T8813]  ? do_setlink.isra.0 (net/core/rtnetlink.c:3246)
[  548.029543][ T8813]  netdev_info (net/core/dev.c:13195 (discriminator 3))
[  548.029546][ T8813]  ? netdev_notice (net/core/dev.c:13194)
[  548.029549][ T8813]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[  548.029552][ T8813]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554)
[  548.029554][ T8813]  ? mark_held_locks (kernel/locking/lockdep.c:4341)
[  548.029558][ T8813]  ? do_setlink.isra.0 (net/core/rtnetlink.c:3246)
[  548.029560][ T8813]  netif_change_name.cold (net/core/dev.c:1507 (discriminator 3))
[  548.029562][ T8813]  ? register_netdev (net/core/dev.c:11618)
[  548.029564][ T8813]  ? 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))
[  548.029569][ T8813]  ? netdev_adjacent_rename_links (net/core/dev.c:9598)
[  548.029571][ T8813]  ? __kernel_text_address (kernel/extable.c:79)
[  548.029574][ T8813]  ? write_profile (profile.c:?)
[  548.029578][ T8813]  ? __asan_memset (mm/kasan/shadow.c:84 (discriminator 1))
[  548.029583][ T8813]  do_setlink.isra.0 (net/core/rtnetlink.c:3246)
[  548.029587][ T8813]  ? stack_trace_save (kernel/stacktrace.c:122 (discriminator 1))
[  548.029589][ T8813]  ? rtnl_link_get_size (net/core/rtnetlink.c:747)
[  548.029590][ T8813]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:388 kernel/rcu/update.c:380)
[  548.029592][ T8813]  ? stack_depot_save_flags (lib/stackdepot.c:609 (discriminator 2) lib/stackdepot.c:676 (discriminator 2))
[  548.029596][ T8813]  ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4116 (discriminator 3) kernel/rcu/tree.c:4108 (discriminator 3))
[  548.029598][ T8813]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380)
[  548.029599][ T8813]  ? validate_chain (kernel/locking/lockdep.c:3817 (discriminator 2) kernel/locking/lockdep.c:3837 (discriminator 2) kernel/locking/lockdep.c:3892 (discriminator 2))
[  548.029602][ T8813]  ? kasan_save_stack (mm/kasan/common.c:58)
[  548.029604][ T8813]  ? kasan_save_stack (mm/kasan/common.c:57)
[  548.029605][ T8813]  ? kasan_save_track (mm/kasan/common.c:78)
[  548.029607][ T8813]  ? __kasan_kmalloc (mm/kasan/common.c:398 mm/kasan/common.c:415)
[  548.029609][ T8813]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[  548.029611][ T8813]  ? snd_ac97_proc_read_main (sound/pci/ac97/ac97_proc.c:320)
[  548.029614][ T8813]  ? ___sys_sendmsg (net/socket.c:2758)
[  548.029618][ T8813]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2))
[  548.029620][ T8813]  ? rtnl_newlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:366 net/core/rtnetlink.c:4214)
[  548.029622][ T8813]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  548.029624][ T8813]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  548.029626][ T8813]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  548.029627][ T8813]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  548.029628][ T8813]  ? trace_contention_end (./include/trace/events/lock.h:121 (discriminator 22))
[  548.029631][ T8813]  ? __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)
[  548.029632][ T8813]  ? __mutex_lock (kernel/locking/mutex.c:656 (discriminator 1) kernel/locking/mutex.c:821 (discriminator 1))
[  548.029634][ T8813]  ? rtnl_newlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:366 net/core/rtnetlink.c:4214)
[  548.029637][ T8813]  ? ww_mutex_lock (kernel/locking/mutex.c:934)
[  548.029638][ T8813]  ? nla_get_range_signed (lib/nlattr.c:270)
[  548.029643][ T8813]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  548.029646][ T8813]  ? __rtnl_newlink (net/core/rtnetlink.c:4063)
[  548.029651][ T8813]  rtnl_newlink (net/core/rtnetlink.c:4215)
[  548.029656][ T8813]  ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558)
[  548.029658][ T8813]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[  548.029663][ T8813]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2))
[  548.029665][ T8813]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[  548.029666][ T8813]  ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558)
[  548.029668][ T8813]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554)
[  548.029672][ T8813]  ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558)
[  548.029674][ T8813]  rtnetlink_rcv_msg (net/core/rtnetlink.c:7132)
[  548.029677][ T8813]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[  548.029679][ T8813]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[  548.029683][ T8813]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2))
[  548.029685][ T8813]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[  548.029689][ T8813]  netlink_rcv_skb (net/netlink/af_netlink.c:2556)
[  548.029692][ T8813]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[  548.029695][ T8813]  ? netlink_ack (./include/linux/skbuff.h:2718)
[  548.029701][ T8813]  ? 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))
[  548.029703][ T8813]  ? 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))
[  548.029708][ T8813]  netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[  548.029712][ T8813]  ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[  548.029714][ T8813]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[  548.029719][ T8813]  netlink_sendmsg (net/netlink/af_netlink.c:1900)
[  548.029723][ T8813]  ? netlink_unicast (./include/net/net_namespace.h:422 (discriminator 7))
[  548.029726][ T8813]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554)
[  548.029728][ T8813]  ? __import_iovec (lib/iov_iter.c:1358 lib/iov_iter.c:1373)
[  548.029734][ T8813]  __sock_sendmsg (net/socket.c:800 (discriminator 4) net/socket.c:815 (discriminator 4))
[  548.029737][ T8813]  ____sys_sendmsg (net/socket.c:2713)
[  548.029739][ T8813]  ? copy_msghdr_from_user (net/socket.c:2650)
[  548.029741][ T8813]  ? sock_write_iter (net/socket.c:1269)
[  548.029743][ T8813]  ? move_addr_to_kernel (net/socket.c:258)
[  548.029750][ T8813]  ___sys_sendmsg (net/socket.c:2767)
[  548.029753][ T8813]  ? copy_msghdr_from_user (net/socket.c:2619)
[  548.029769][ T8813]  __sys_sendmsg (net/socket.c:2799)
[  548.029772][ T8813]  ? __sys_sendmsg_sock (net/socket.c:2780)
[  548.029778][ T8813]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  548.029781][ T8813]  do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84)
[  548.029784][ T8813]  ? exc_page_fault (arch/x86/mm/fault.c:1489 (discriminator 3) arch/x86/mm/fault.c:1536 (discriminator 3))
[  548.029787][ T8813]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[  548.029790][ T8813] RIP: 0033:0x7feb8dc9a54e
[  548.029794][ T8813] 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
[  548.029796][ T8813] RSP: 002b:00007ffc60a09760 EFLAGS: 00000202 ORIG_RAX: 000000000000002e
[  548.029799][ T8813] RAX: ffffffffffffffda RBX: 0000000000000005 RCX: 00007feb8dc9a54e
[  548.029800][ T8813] RDX: 0000000000000000 RSI: 00007ffc60a09810 RDI: 0000000000000005
[  548.029801][ T8813] RBP: 00007ffc60a09770 R08: 0000000000000000 R09: 0000000000000000
[  548.029802][ T8813] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a90d843
[  548.029803][ T8813] R13: 00000000004a1620 R14: 0000000000000000 R15: 00007ffc60a09ee0
| [  557.640036][ T8956] softirqs last disabled at (30062): netif_change_name (./include/linux/spinlock.h:353 ./include/linux/seqlock.h:908 net/core/dev.c:1499)
| [  557.640038][ T8956] Preemption disabled at:
| [  557.640039][ T8956] vprintk_emit (kernel/printk/printk.c:2471)
| [  557.640047][ T8956] Tainted: [W]=WARN
[  557.640048][ T8956] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[  557.640050][ T8956] Call Trace:
[  557.640051][ T8956]  <TASK>
[  557.640053][ T8956]  dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120)
[  557.640059][ T8956]  ? vprintk_emit (kernel/printk/printk.c:2471)
[  557.640061][ T8956]  __might_resched.cold (kernel/sched/core.c:9234)
[  557.640066][ T8956]  ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3))
[  557.640070][ T8956]  ? __kmalloc_noprof (./include/linux/sched/mm.h:317 mm/slub.c:4636 mm/slub.c:4974 mm/slub.c:5413 mm/slub.c:5439)
[  557.640075][ T8956]  __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))
[  557.640076][ T8956]  ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[  557.640083][ T8956]  ? 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)
[  557.640086][ T8956]  alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[  557.640090][ T8956]  put_chars (drivers/char/virtio_console.c:1176)
[  557.640092][ T8956]  ? __send_to_port (drivers/char/virtio_console.c:654)
[  557.640098][ T8956]  hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2))
[  557.640106][ T8956]  ? hvc_write (drivers/tty/hvc/hvc_console.c:501)
[  557.640109][ T8956]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  557.640114][ T8956]  console_emit_next_record (kernel/printk/printk.c:3183)
[  557.640118][ T8956]  ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20)
[  557.640120][ T8956]  ? 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))
[  557.640123][ T8956]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  557.640126][ T8956]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  557.640130][ T8956]  console_flush_one_record (kernel/printk/printk.c:3268)
[  557.640134][ T8956]  ? console_emit_next_record (kernel/printk/printk.c:3150)
[  557.640136][ T8956]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[  557.640141][ T8956]  console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420)
[  557.640144][ T8956]  ? console_flush_one_record (kernel/printk/printk.c:3316)
[  557.640146][ T8956]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  557.640147][ T8956]  ? 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)
[  557.640151][ T8956]  ? __down_trylock_console_sem (kernel/printk/printk.c:334)
[  557.640153][ T8956]  ? vprintk_emit (kernel/printk/printk.c:2478)
[  557.640155][ T8956]  vprintk_emit (kernel/printk/printk.c:2479)
[  557.640159][ T8956]  ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126))
[  557.640161][ T8956]  ? _mutex_trylock_nest_lock (kernel/locking/mutex.c:1227 (discriminator 6))
[  557.640172][ T8956]  _printk (kernel/printk/printk.c:2504)
[  557.640176][ T8956]  ? snapshot_read.cold (user.c:?)
[  557.640178][ T8956]  ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4116 (discriminator 3) kernel/rcu/tree.c:4108 (discriminator 3))
[  557.640180][ T8956]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380)
[  557.640183][ T8956]  ? validate_chain (kernel/locking/lockdep.c:3817 (discriminator 2) kernel/locking/lockdep.c:3837 (discriminator 2) kernel/locking/lockdep.c:3892 (discriminator 2))
[  557.640185][ T8956]  ? netdev_name (./include/linux/netdevice.h:5709 (discriminator 1))
[  557.640189][ T8956]  ? __netdev_printk (net/core/dev.c:13148 (discriminator 2))
[  557.640192][ T8956]  ? do_setlink.isra.0 (net/core/rtnetlink.c:3246)
[  557.640194][ T8956]  netdev_info (net/core/dev.c:13195 (discriminator 3))
[  557.640197][ T8956]  ? netdev_notice (net/core/dev.c:13194)
[  557.640200][ T8956]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[  557.640203][ T8956]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554)
[  557.640206][ T8956]  ? mark_held_locks (kernel/locking/lockdep.c:4341)
[  557.640209][ T8956]  ? do_setlink.isra.0 (net/core/rtnetlink.c:3246)
[  557.640211][ T8956]  netif_change_name.cold (net/core/dev.c:1507 (discriminator 3))
[  557.640213][ T8956]  ? register_netdev (net/core/dev.c:11618)
[  557.640214][ T8956]  ? 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))
[  557.640220][ T8956]  ? netdev_adjacent_rename_links (net/core/dev.c:9598)
[  557.640223][ T8956]  ? __kernel_text_address (kernel/extable.c:79)
[  557.640226][ T8956]  ? write_profile (profile.c:?)
[  557.640232][ T8956]  ? __asan_memset (mm/kasan/shadow.c:84 (discriminator 1))
[  557.640240][ T8956]  do_setlink.isra.0 (net/core/rtnetlink.c:3246)
[  557.640244][ T8956]  ? stack_trace_save (kernel/stacktrace.c:122 (discriminator 1))
[  557.640246][ T8956]  ? rtnl_link_get_size (net/core/rtnetlink.c:747)
[  557.640250][ T8956]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:388 kernel/rcu/update.c:380)
[  557.640252][ T8956]  ? stack_depot_save_flags (lib/stackdepot.c:609 (discriminator 2) lib/stackdepot.c:676 (discriminator 2))
[  557.640256][ T8956]  ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4116 (discriminator 3) kernel/rcu/tree.c:4108 (discriminator 3))
[  557.640258][ T8956]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380)
[  557.640260][ T8956]  ? validate_chain (kernel/locking/lockdep.c:3817 (discriminator 2) kernel/locking/lockdep.c:3837 (discriminator 2) kernel/locking/lockdep.c:3892 (discriminator 2))
[  557.640263][ T8956]  ? kasan_save_stack (mm/kasan/common.c:58)
[  557.640265][ T8956]  ? kasan_save_stack (mm/kasan/common.c:57)
[  557.640266][ T8956]  ? kasan_save_track (mm/kasan/common.c:78)
[  557.640267][ T8956]  ? __kasan_kmalloc (mm/kasan/common.c:398 mm/kasan/common.c:415)
[  557.640269][ T8956]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[  557.640271][ T8956]  ? snd_ac97_proc_read_main (sound/pci/ac97/ac97_proc.c:320)
[  557.640274][ T8956]  ? ___sys_sendmsg (net/socket.c:2758)
[  557.640278][ T8956]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2))
[  557.640280][ T8956]  ? rtnl_newlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:366 net/core/rtnetlink.c:4214)
[  557.640282][ T8956]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  557.640284][ T8956]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  557.640286][ T8956]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  557.640287][ T8956]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  557.640289][ T8956]  ? trace_contention_end (./include/trace/events/lock.h:121 (discriminator 22))
[  557.640291][ T8956]  ? __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)
[  557.640292][ T8956]  ? __mutex_lock (kernel/locking/mutex.c:656 (discriminator 1) kernel/locking/mutex.c:821 (discriminator 1))
[  557.640294][ T8956]  ? rtnl_newlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:366 net/core/rtnetlink.c:4214)
[  557.640297][ T8956]  ? ww_mutex_lock (kernel/locking/mutex.c:934)
[  557.640299][ T8956]  ? nla_get_range_signed (lib/nlattr.c:270)
[  557.640304][ T8956]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  557.640306][ T8956]  ? __rtnl_newlink (net/core/rtnetlink.c:4063)
[  557.640311][ T8956]  rtnl_newlink (net/core/rtnetlink.c:4215)
[  557.640316][ T8956]  ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558)
[  557.640318][ T8956]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[  557.640323][ T8956]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2))
[  557.640325][ T8956]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[  557.640327][ T8956]  ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558)
[  557.640328][ T8956]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554)
[  557.640332][ T8956]  ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558)
[  557.640334][ T8956]  rtnetlink_rcv_msg (net/core/rtnetlink.c:7132)
[  557.640337][ T8956]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[  557.640339][ T8956]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[  557.640343][ T8956]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2))
[  557.640345][ T8956]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[  557.640348][ T8956]  netlink_rcv_skb (net/netlink/af_netlink.c:2556)
[  557.640352][ T8956]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[  557.640355][ T8956]  ? netlink_ack (./include/linux/skbuff.h:2718)
[  557.640361][ T8956]  ? 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))
[  557.640363][ T8956]  ? 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))
[  557.640368][ T8956]  netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[  557.640372][ T8956]  ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[  557.640374][ T8956]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[  557.640379][ T8956]  netlink_sendmsg (net/netlink/af_netlink.c:1900)
[  557.640383][ T8956]  ? netlink_unicast (./include/net/net_namespace.h:422 (discriminator 7))
[  557.640386][ T8956]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554)
[  557.640388][ T8956]  ? __import_iovec (lib/iov_iter.c:1358 lib/iov_iter.c:1373)
[  557.640393][ T8956]  __sock_sendmsg (net/socket.c:800 (discriminator 4) net/socket.c:815 (discriminator 4))
[  557.640396][ T8956]  ____sys_sendmsg (net/socket.c:2713)
[  557.640398][ T8956]  ? copy_msghdr_from_user (net/socket.c:2650)
[  557.640401][ T8956]  ? sock_write_iter (net/socket.c:1269)
[  557.640402][ T8956]  ? move_addr_to_kernel (net/socket.c:258)
[  557.640409][ T8956]  ___sys_sendmsg (net/socket.c:2767)
[  557.640412][ T8956]  ? copy_msghdr_from_user (net/socket.c:2619)
[  557.640428][ T8956]  __sys_sendmsg (net/socket.c:2799)
[  557.640431][ T8956]  ? __sys_sendmsg_sock (net/socket.c:2780)
[  557.640437][ T8956]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  557.640440][ T8956]  do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84)
[  557.640443][ T8956]  ? exc_page_fault (arch/x86/mm/fault.c:1489 (discriminator 3) arch/x86/mm/fault.c:1536 (discriminator 3))
[  557.640446][ T8956]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[  557.640448][ T8956] RIP: 0033:0x7f80ef43a54e
[  557.640452][ T8956] 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
[  557.640454][ T8956] RSP: 002b:00007ffc8b4fc680 EFLAGS: 00000202 ORIG_RAX: 000000000000002e
[  557.640457][ T8956] RAX: ffffffffffffffda RBX: 0000000000000005 RCX: 00007f80ef43a54e
[  557.640458][ T8956] RDX: 0000000000000000 RSI: 00007ffc8b4fc730 RDI: 0000000000000005
[  557.640459][ T8956] RBP: 00007ffc8b4fc690 R08: 0000000000000000 R09: 0000000000000000
[  557.640460][ T8956] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a90d84c
[  557.640461][ T8956] R13: 00000000004a1620 R14: 0000000000000000 R15: 00007ffc8b4fce00
| [  566.994930][ T9099] softirqs last disabled at (19098): netif_change_name (./include/linux/spinlock.h:353 ./include/linux/seqlock.h:908 net/core/dev.c:1499)
| [  566.994933][ T9099] Preemption disabled at:
| [  566.994934][ T9099] vprintk_emit (kernel/printk/printk.c:2471)
| [  566.994942][ T9099] Tainted: [W]=WARN
[  566.994944][ T9099] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[  566.994945][ T9099] Call Trace:
[  566.994947][ T9099]  <TASK>
[  566.994949][ T9099]  dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120)
[  566.994954][ T9099]  ? vprintk_emit (kernel/printk/printk.c:2471)
[  566.994956][ T9099]  __might_resched.cold (kernel/sched/core.c:9234)
[  566.994961][ T9099]  ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3))
[  566.994965][ T9099]  ? __kmalloc_noprof (./include/linux/sched/mm.h:317 mm/slub.c:4636 mm/slub.c:4974 mm/slub.c:5413 mm/slub.c:5439)
[  566.994970][ T9099]  __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))
[  566.994972][ T9099]  ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[  566.994978][ T9099]  ? 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)
[  566.994981][ T9099]  alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[  566.994985][ T9099]  put_chars (drivers/char/virtio_console.c:1176)
[  566.994987][ T9099]  ? __send_to_port (drivers/char/virtio_console.c:654)
[  566.994993][ T9099]  hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2))
[  566.995001][ T9099]  ? hvc_write (drivers/tty/hvc/hvc_console.c:501)
[  566.995004][ T9099]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  566.995009][ T9099]  console_emit_next_record (kernel/printk/printk.c:3183)
[  566.995013][ T9099]  ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20)
[  566.995015][ T9099]  ? 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))
[  566.995018][ T9099]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  566.995021][ T9099]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  566.995025][ T9099]  console_flush_one_record (kernel/printk/printk.c:3268)
[  566.995029][ T9099]  ? console_emit_next_record (kernel/printk/printk.c:3150)
[  566.995031][ T9099]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[  566.995036][ T9099]  console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420)
[  566.995039][ T9099]  ? console_flush_one_record (kernel/printk/printk.c:3316)
[  566.995041][ T9099]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  566.995043][ T9099]  ? 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)
[  566.995046][ T9099]  ? __down_trylock_console_sem (kernel/printk/printk.c:334)
[  566.995048][ T9099]  ? vprintk_emit (kernel/printk/printk.c:2478)
[  566.995051][ T9099]  vprintk_emit (kernel/printk/printk.c:2479)
[  566.995054][ T9099]  ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126))
[  566.995057][ T9099]  ? _mutex_trylock_nest_lock (kernel/locking/mutex.c:1227 (discriminator 6))
[  566.995062][ T9099]  _printk (kernel/printk/printk.c:2504)
[  566.995065][ T9099]  ? snapshot_read.cold (user.c:?)
[  566.995067][ T9099]  ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4116 (discriminator 3) kernel/rcu/tree.c:4108 (discriminator 3))
[  566.995070][ T9099]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380)
[  566.995073][ T9099]  ? validate_chain (kernel/locking/lockdep.c:3817 (discriminator 2) kernel/locking/lockdep.c:3837 (discriminator 2) kernel/locking/lockdep.c:3892 (discriminator 2))
[  566.995075][ T9099]  ? netdev_name (./include/linux/netdevice.h:5709 (discriminator 1))
[  566.995079][ T9099]  ? __netdev_printk (net/core/dev.c:13148 (discriminator 2))
[  566.995082][ T9099]  ? do_setlink.isra.0 (net/core/rtnetlink.c:3246)
[  566.995084][ T9099]  netdev_info (net/core/dev.c:13195 (discriminator 3))
[  566.995087][ T9099]  ? netdev_notice (net/core/dev.c:13194)
[  566.995089][ T9099]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[  566.995093][ T9099]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554)
[  566.995095][ T9099]  ? mark_held_locks (kernel/locking/lockdep.c:4341)
[  566.995099][ T9099]  ? do_setlink.isra.0 (net/core/rtnetlink.c:3246)
[  566.995101][ T9099]  netif_change_name.cold (net/core/dev.c:1507 (discriminator 3))
[  566.995103][ T9099]  ? register_netdev (net/core/dev.c:11618)
[  566.995104][ T9099]  ? 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))
[  566.995109][ T9099]  ? netdev_adjacent_rename_links (net/core/dev.c:9598)
[  566.995112][ T9099]  ? __kernel_text_address (kernel/extable.c:79)
[  566.995115][ T9099]  ? write_profile (profile.c:?)
[  566.995119][ T9099]  ? __asan_memset (mm/kasan/shadow.c:84 (discriminator 1))
[  566.995124][ T9099]  do_setlink.isra.0 (net/core/rtnetlink.c:3246)
[  566.995128][ T9099]  ? stack_trace_save (kernel/stacktrace.c:122 (discriminator 1))
[  566.995130][ T9099]  ? rtnl_link_get_size (net/core/rtnetlink.c:747)
[  566.995131][ T9099]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:388 kernel/rcu/update.c:380)
[  566.995133][ T9099]  ? stack_depot_save_flags (lib/stackdepot.c:609 (discriminator 2) lib/stackdepot.c:676 (discriminator 2))
[  566.995137][ T9099]  ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4116 (discriminator 3) kernel/rcu/tree.c:4108 (discriminator 3))
[  566.995139][ T9099]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380)
[  566.995140][ T9099]  ? validate_chain (kernel/locking/lockdep.c:3817 (discriminator 2) kernel/locking/lockdep.c:3837 (discriminator 2) kernel/locking/lockdep.c:3892 (discriminator 2))
[  566.995143][ T9099]  ? kasan_save_stack (mm/kasan/common.c:58)
[  566.995145][ T9099]  ? kasan_save_stack (mm/kasan/common.c:57)
[  566.995146][ T9099]  ? kasan_save_track (mm/kasan/common.c:78)
[  566.995147][ T9099]  ? __kasan_kmalloc (mm/kasan/common.c:398 mm/kasan/common.c:415)
[  566.995150][ T9099]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[  566.995151][ T9099]  ? snd_ac97_proc_read_main (sound/pci/ac97/ac97_proc.c:320)
[  566.995154][ T9099]  ? ___sys_sendmsg (net/socket.c:2758)
[  566.995158][ T9099]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2))
[  566.995160][ T9099]  ? rtnl_newlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:366 net/core/rtnetlink.c:4214)
[  566.995163][ T9099]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  566.995165][ T9099]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  566.995166][ T9099]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  566.995167][ T9099]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  566.995169][ T9099]  ? trace_contention_end (./include/trace/events/lock.h:121 (discriminator 22))
[  566.995171][ T9099]  ? __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)
[  566.995173][ T9099]  ? __mutex_lock (kernel/locking/mutex.c:656 (discriminator 1) kernel/locking/mutex.c:821 (discriminator 1))
[  566.995174][ T9099]  ? rtnl_newlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:366 net/core/rtnetlink.c:4214)
[  566.995178][ T9099]  ? ww_mutex_lock (kernel/locking/mutex.c:934)
[  566.995179][ T9099]  ? nla_get_range_signed (lib/nlattr.c:270)
[  566.995184][ T9099]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  566.995186][ T9099]  ? __rtnl_newlink (net/core/rtnetlink.c:4063)
[  566.995192][ T9099]  rtnl_newlink (net/core/rtnetlink.c:4215)
[  566.995197][ T9099]  ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558)
[  566.995199][ T9099]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[  566.995203][ T9099]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2))
[  566.995205][ T9099]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[  566.995207][ T9099]  ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558)
[  566.995209][ T9099]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554)
[  566.995213][ T9099]  ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558)
[  566.995215][ T9099]  rtnetlink_rcv_msg (net/core/rtnetlink.c:7132)
[  566.995218][ T9099]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[  566.995220][ T9099]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[  566.995226][ T9099]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2))
[  566.995229][ T9099]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[  566.995235][ T9099]  netlink_rcv_skb (net/netlink/af_netlink.c:2556)
[  566.995238][ T9099]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[  566.995241][ T9099]  ? netlink_ack (./include/linux/skbuff.h:2718)
[  566.995255][ T9099]  ? 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))
[  566.995257][ T9099]  ? 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))
[  566.995262][ T9099]  netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[  566.995266][ T9099]  ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[  566.995268][ T9099]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[  566.995273][ T9099]  netlink_sendmsg (net/netlink/af_netlink.c:1900)
[  566.995277][ T9099]  ? netlink_unicast (./include/net/net_namespace.h:422 (discriminator 7))
[  566.995281][ T9099]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554)
[  566.995282][ T9099]  ? __import_iovec (lib/iov_iter.c:1358 lib/iov_iter.c:1373)
[  566.995288][ T9099]  __sock_sendmsg (net/socket.c:800 (discriminator 4) net/socket.c:815 (discriminator 4))
[  566.995290][ T9099]  ____sys_sendmsg (net/socket.c:2713)
[  566.995293][ T9099]  ? copy_msghdr_from_user (net/socket.c:2650)
[  566.995295][ T9099]  ? sock_write_iter (net/socket.c:1269)
[  566.995297][ T9099]  ? move_addr_to_kernel (net/socket.c:258)
[  566.995304][ T9099]  ___sys_sendmsg (net/socket.c:2767)
[  566.995307][ T9099]  ? copy_msghdr_from_user (net/socket.c:2619)
[  566.995323][ T9099]  __sys_sendmsg (net/socket.c:2799)
[  566.995325][ T9099]  ? __sys_sendmsg_sock (net/socket.c:2780)
[  566.995332][ T9099]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  566.995335][ T9099]  do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84)
[  566.995338][ T9099]  ? exc_page_fault (arch/x86/mm/fault.c:1489 (discriminator 3) arch/x86/mm/fault.c:1536 (discriminator 3))
[  566.995340][ T9099]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[  566.995343][ T9099] RIP: 0033:0x7f41f8d9a54e
[  566.995347][ T9099] 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
[  566.995349][ T9099] RSP: 002b:00007ffc5286c900 EFLAGS: 00000202 ORIG_RAX: 000000000000002e
[  566.995351][ T9099] RAX: ffffffffffffffda RBX: 0000000000000005 RCX: 00007f41f8d9a54e
[  566.995353][ T9099] RDX: 0000000000000000 RSI: 00007ffc5286c9b0 RDI: 0000000000000005
[  566.995354][ T9099] RBP: 00007ffc5286c910 R08: 0000000000000000 R09: 0000000000000000
[  566.995355][ T9099] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a90d856
[  566.995355][ T9099] R13: 00000000004a1620 R14: 0000000000000000 R15: 00007ffc5286d080
| [  576.536045][ T9242] softirqs last disabled at (16826): netif_change_name (./include/linux/spinlock.h:353 ./include/linux/seqlock.h:908 net/core/dev.c:1499)
| [  576.536047][ T9242] Preemption disabled at:
| [  576.536048][ T9242] vprintk_emit (kernel/printk/printk.c:2471)
| [  576.536057][ T9242] Tainted: [W]=WARN
[  576.536058][ T9242] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[  576.536059][ T9242] Call Trace:
[  576.536061][ T9242]  <TASK>
[  576.536063][ T9242]  dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120)
[  576.536069][ T9242]  ? vprintk_emit (kernel/printk/printk.c:2471)
[  576.536070][ T9242]  __might_resched.cold (kernel/sched/core.c:9234)
[  576.536075][ T9242]  ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3))
[  576.536080][ T9242]  ? __kmalloc_noprof (./include/linux/sched/mm.h:317 mm/slub.c:4636 mm/slub.c:4974 mm/slub.c:5413 mm/slub.c:5439)
[  576.536084][ T9242]  __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))
[  576.536086][ T9242]  ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[  576.536093][ T9242]  ? 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)
[  576.536095][ T9242]  alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[  576.536099][ T9242]  put_chars (drivers/char/virtio_console.c:1176)
[  576.536101][ T9242]  ? __send_to_port (drivers/char/virtio_console.c:654)
[  576.536107][ T9242]  hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2))
[  576.536115][ T9242]  ? hvc_write (drivers/tty/hvc/hvc_console.c:501)
[  576.536118][ T9242]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  576.536123][ T9242]  console_emit_next_record (kernel/printk/printk.c:3183)
[  576.536127][ T9242]  ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20)
[  576.536129][ T9242]  ? 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))
[  576.536132][ T9242]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  576.536135][ T9242]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  576.536139][ T9242]  console_flush_one_record (kernel/printk/printk.c:3268)
[  576.536143][ T9242]  ? console_emit_next_record (kernel/printk/printk.c:3150)
[  576.536145][ T9242]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[  576.536150][ T9242]  console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420)
[  576.536153][ T9242]  ? console_flush_one_record (kernel/printk/printk.c:3316)
[  576.536155][ T9242]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  576.536157][ T9242]  ? 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)
[  576.536160][ T9242]  ? __down_trylock_console_sem (kernel/printk/printk.c:334)
[  576.536162][ T9242]  ? vprintk_emit (kernel/printk/printk.c:2478)
[  576.536165][ T9242]  vprintk_emit (kernel/printk/printk.c:2479)
[  576.536168][ T9242]  ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126))
[  576.536171][ T9242]  ? _mutex_trylock_nest_lock (kernel/locking/mutex.c:1227 (discriminator 6))
[  576.536176][ T9242]  _printk (kernel/printk/printk.c:2504)
[  576.536179][ T9242]  ? snapshot_read.cold (user.c:?)
[  576.536181][ T9242]  ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4116 (discriminator 3) kernel/rcu/tree.c:4108 (discriminator 3))
[  576.536184][ T9242]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380)
[  576.536186][ T9242]  ? validate_chain (kernel/locking/lockdep.c:3817 (discriminator 2) kernel/locking/lockdep.c:3837 (discriminator 2) kernel/locking/lockdep.c:3892 (discriminator 2))
[  576.536188][ T9242]  ? netdev_name (./include/linux/netdevice.h:5709 (discriminator 1))
[  576.536192][ T9242]  ? __netdev_printk (net/core/dev.c:13148 (discriminator 2))
[  576.536195][ T9242]  ? do_setlink.isra.0 (net/core/rtnetlink.c:3246)
[  576.536198][ T9242]  netdev_info (net/core/dev.c:13195 (discriminator 3))
[  576.536201][ T9242]  ? netdev_notice (net/core/dev.c:13194)
[  576.536204][ T9242]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[  576.536207][ T9242]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554)
[  576.536209][ T9242]  ? mark_held_locks (kernel/locking/lockdep.c:4341)
[  576.536213][ T9242]  ? do_setlink.isra.0 (net/core/rtnetlink.c:3246)
[  576.536215][ T9242]  netif_change_name.cold (net/core/dev.c:1507 (discriminator 3))
[  576.536217][ T9242]  ? register_netdev (net/core/dev.c:11618)
[  576.536218][ T9242]  ? 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))
[  576.536224][ T9242]  ? netdev_adjacent_rename_links (net/core/dev.c:9598)
[  576.536226][ T9242]  ? __kernel_text_address (kernel/extable.c:79)
[  576.536229][ T9242]  ? write_profile (profile.c:?)
[  576.536233][ T9242]  ? __asan_memset (mm/kasan/shadow.c:84 (discriminator 1))
[  576.536239][ T9242]  do_setlink.isra.0 (net/core/rtnetlink.c:3246)
[  576.536242][ T9242]  ? stack_trace_save (kernel/stacktrace.c:122 (discriminator 1))
[  576.536244][ T9242]  ? rtnl_link_get_size (net/core/rtnetlink.c:747)
[  576.536246][ T9242]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:388 kernel/rcu/update.c:380)
[  576.536250][ T9242]  ? stack_depot_save_flags (lib/stackdepot.c:609 (discriminator 2) lib/stackdepot.c:676 (discriminator 2))
[  576.536254][ T9242]  ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4116 (discriminator 3) kernel/rcu/tree.c:4108 (discriminator 3))
[  576.536256][ T9242]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380)
[  576.536258][ T9242]  ? validate_chain (kernel/locking/lockdep.c:3817 (discriminator 2) kernel/locking/lockdep.c:3837 (discriminator 2) kernel/locking/lockdep.c:3892 (discriminator 2))
[  576.536260][ T9242]  ? kasan_save_stack (mm/kasan/common.c:58)
[  576.536262][ T9242]  ? kasan_save_stack (mm/kasan/common.c:57)
[  576.536264][ T9242]  ? kasan_save_track (mm/kasan/common.c:78)
[  576.536265][ T9242]  ? __kasan_kmalloc (mm/kasan/common.c:398 mm/kasan/common.c:415)
[  576.536267][ T9242]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[  576.536269][ T9242]  ? snd_ac97_proc_read_main (sound/pci/ac97/ac97_proc.c:320)
[  576.536272][ T9242]  ? ___sys_sendmsg (net/socket.c:2758)
[  576.536276][ T9242]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2))
[  576.536278][ T9242]  ? rtnl_newlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:366 net/core/rtnetlink.c:4214)
[  576.536280][ T9242]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  576.536282][ T9242]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  576.536284][ T9242]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  576.536285][ T9242]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  576.536287][ T9242]  ? trace_contention_end (./include/trace/events/lock.h:121 (discriminator 22))
[  576.536289][ T9242]  ? __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)
[  576.536290][ T9242]  ? __mutex_lock (kernel/locking/mutex.c:656 (discriminator 1) kernel/locking/mutex.c:821 (discriminator 1))
[  576.536292][ T9242]  ? rtnl_newlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:366 net/core/rtnetlink.c:4214)
[  576.536295][ T9242]  ? ww_mutex_lock (kernel/locking/mutex.c:934)
[  576.536297][ T9242]  ? nla_get_range_signed (lib/nlattr.c:270)
[  576.536301][ T9242]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  576.536304][ T9242]  ? __rtnl_newlink (net/core/rtnetlink.c:4063)
[  576.536309][ T9242]  rtnl_newlink (net/core/rtnetlink.c:4215)
[  576.536314][ T9242]  ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558)
[  576.536316][ T9242]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[  576.536321][ T9242]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2))
[  576.536323][ T9242]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[  576.536324][ T9242]  ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558)
[  576.536326][ T9242]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554)
[  576.536330][ T9242]  ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558)
[  576.536337][ T9242]  rtnetlink_rcv_msg (net/core/rtnetlink.c:7132)
[  576.536340][ T9242]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[  576.536342][ T9242]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[  576.536346][ T9242]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2))
[  576.536348][ T9242]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[  576.536352][ T9242]  netlink_rcv_skb (net/netlink/af_netlink.c:2556)
[  576.536356][ T9242]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[  576.536360][ T9242]  ? netlink_ack (./include/linux/skbuff.h:2718)
[  576.536368][ T9242]  ? 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))
[  576.536370][ T9242]  ? 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))
[  576.536375][ T9242]  netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[  576.536379][ T9242]  ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[  576.536381][ T9242]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[  576.536386][ T9242]  netlink_sendmsg (net/netlink/af_netlink.c:1900)
[  576.536390][ T9242]  ? netlink_unicast (./include/net/net_namespace.h:422 (discriminator 7))
[  576.536393][ T9242]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554)
[  576.536395][ T9242]  ? __import_iovec (lib/iov_iter.c:1358 lib/iov_iter.c:1373)
[  576.536400][ T9242]  __sock_sendmsg (net/socket.c:800 (discriminator 4) net/socket.c:815 (discriminator 4))
[  576.536404][ T9242]  ____sys_sendmsg (net/socket.c:2713)
[  576.536406][ T9242]  ? copy_msghdr_from_user (net/socket.c:2650)
[  576.536408][ T9242]  ? sock_write_iter (net/socket.c:1269)
[  576.536410][ T9242]  ? move_addr_to_kernel (net/socket.c:258)
[  576.536417][ T9242]  ___sys_sendmsg (net/socket.c:2767)
[  576.536420][ T9242]  ? copy_msghdr_from_user (net/socket.c:2619)
[  576.536436][ T9242]  __sys_sendmsg (net/socket.c:2799)
[  576.536439][ T9242]  ? __sys_sendmsg_sock (net/socket.c:2780)
[  576.536445][ T9242]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  576.536449][ T9242]  do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84)
[  576.536452][ T9242]  ? exc_page_fault (arch/x86/mm/fault.c:1489 (discriminator 3) arch/x86/mm/fault.c:1536 (discriminator 3))
[  576.536455][ T9242]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[  576.536457][ T9242] RIP: 0033:0x7f73ef82154e
[  576.536461][ T9242] 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
[  576.536463][ T9242] RSP: 002b:00007fff04312740 EFLAGS: 00000202 ORIG_RAX: 000000000000002e
[  576.536466][ T9242] RAX: ffffffffffffffda RBX: 0000000000000005 RCX: 00007f73ef82154e
[  576.536467][ T9242] RDX: 0000000000000000 RSI: 00007fff043127f0 RDI: 0000000000000005
[  576.536468][ T9242] RBP: 00007fff04312750 R08: 0000000000000000 R09: 0000000000000000
[  576.536469][ T9242] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a90d85f
[  576.536470][ T9242] R13: 00000000004a1620 R14: 0000000000000000 R15: 00007fff04312ec0
| [  586.025067][ T9385] softirqs last disabled at (19222): netif_change_name (./include/linux/spinlock.h:353 ./include/linux/seqlock.h:908 net/core/dev.c:1499)
| [  586.025069][ T9385] Preemption disabled at:
| [  586.025070][ T9385] vprintk_emit (kernel/printk/printk.c:2471)
| [  586.025079][ T9385] Tainted: [W]=WARN
[  586.025080][ T9385] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[  586.025082][ T9385] Call Trace:
[  586.025083][ T9385]  <TASK>
[  586.025085][ T9385]  dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120)
[  586.025091][ T9385]  ? vprintk_emit (kernel/printk/printk.c:2471)
[  586.025093][ T9385]  __might_resched.cold (kernel/sched/core.c:9234)
[  586.025097][ T9385]  ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3))
[  586.025102][ T9385]  ? __kmalloc_noprof (./include/linux/sched/mm.h:317 mm/slub.c:4636 mm/slub.c:4974 mm/slub.c:5413 mm/slub.c:5439)
[  586.025106][ T9385]  __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))
[  586.025108][ T9385]  ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[  586.025114][ T9385]  ? 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)
[  586.025117][ T9385]  alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[  586.025121][ T9385]  put_chars (drivers/char/virtio_console.c:1176)
[  586.025123][ T9385]  ? __send_to_port (drivers/char/virtio_console.c:654)
[  586.025129][ T9385]  hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2))
[  586.025137][ T9385]  ? hvc_write (drivers/tty/hvc/hvc_console.c:501)
[  586.025140][ T9385]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  586.025144][ T9385]  console_emit_next_record (kernel/printk/printk.c:3183)
[  586.025148][ T9385]  ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20)
[  586.025150][ T9385]  ? 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))
[  586.025153][ T9385]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  586.025156][ T9385]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  586.025160][ T9385]  console_flush_one_record (kernel/printk/printk.c:3268)
[  586.025164][ T9385]  ? console_emit_next_record (kernel/printk/printk.c:3150)
[  586.025166][ T9385]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[  586.025171][ T9385]  console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420)
[  586.025174][ T9385]  ? console_flush_one_record (kernel/printk/printk.c:3316)
[  586.025176][ T9385]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  586.025178][ T9385]  ? 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)
[  586.025181][ T9385]  ? __down_trylock_console_sem (kernel/printk/printk.c:334)
[  586.025183][ T9385]  ? vprintk_emit (kernel/printk/printk.c:2478)
[  586.025186][ T9385]  vprintk_emit (kernel/printk/printk.c:2479)
[  586.025189][ T9385]  ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126))
[  586.025191][ T9385]  ? _mutex_trylock_nest_lock (kernel/locking/mutex.c:1227 (discriminator 6))
[  586.025196][ T9385]  _printk (kernel/printk/printk.c:2504)
[  586.025200][ T9385]  ? snapshot_read.cold (user.c:?)
[  586.025201][ T9385]  ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4116 (discriminator 3) kernel/rcu/tree.c:4108 (discriminator 3))
[  586.025204][ T9385]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380)
[  586.025207][ T9385]  ? validate_chain (kernel/locking/lockdep.c:3817 (discriminator 2) kernel/locking/lockdep.c:3837 (discriminator 2) kernel/locking/lockdep.c:3892 (discriminator 2))
[  586.025209][ T9385]  ? netdev_name (./include/linux/netdevice.h:5709 (discriminator 1))
[  586.025212][ T9385]  ? __netdev_printk (net/core/dev.c:13148 (discriminator 2))
[  586.025215][ T9385]  ? do_setlink.isra.0 (net/core/rtnetlink.c:3246)
[  586.025217][ T9385]  netdev_info (net/core/dev.c:13195 (discriminator 3))
[  586.025220][ T9385]  ? netdev_notice (net/core/dev.c:13194)
[  586.025223][ T9385]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[  586.025226][ T9385]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554)
[  586.025228][ T9385]  ? mark_held_locks (kernel/locking/lockdep.c:4341)
[  586.025232][ T9385]  ? do_setlink.isra.0 (net/core/rtnetlink.c:3246)
[  586.025234][ T9385]  netif_change_name.cold (net/core/dev.c:1507 (discriminator 3))
[  586.025236][ T9385]  ? register_netdev (net/core/dev.c:11618)
[  586.025237][ T9385]  ? 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))
[  586.025242][ T9385]  ? netdev_adjacent_rename_links (net/core/dev.c:9598)
[  586.025245][ T9385]  ? __kernel_text_address (kernel/extable.c:79)
[  586.025251][ T9385]  ? write_profile (profile.c:?)
[  586.025255][ T9385]  ? __asan_memset (mm/kasan/shadow.c:84 (discriminator 1))
[  586.025261][ T9385]  do_setlink.isra.0 (net/core/rtnetlink.c:3246)
[  586.025264][ T9385]  ? stack_trace_save (kernel/stacktrace.c:122 (discriminator 1))
[  586.025266][ T9385]  ? rtnl_link_get_size (net/core/rtnetlink.c:747)
[  586.025268][ T9385]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:388 kernel/rcu/update.c:380)
[  586.025269][ T9385]  ? stack_depot_save_flags (lib/stackdepot.c:609 (discriminator 2) lib/stackdepot.c:676 (discriminator 2))
[  586.025273][ T9385]  ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4116 (discriminator 3) kernel/rcu/tree.c:4108 (discriminator 3))
[  586.025275][ T9385]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380)
[  586.025276][ T9385]  ? validate_chain (kernel/locking/lockdep.c:3817 (discriminator 2) kernel/locking/lockdep.c:3837 (discriminator 2) kernel/locking/lockdep.c:3892 (discriminator 2))
[  586.025279][ T9385]  ? kasan_save_stack (mm/kasan/common.c:58)
[  586.025281][ T9385]  ? kasan_save_stack (mm/kasan/common.c:57)
[  586.025282][ T9385]  ? kasan_save_track (mm/kasan/common.c:78)
[  586.025283][ T9385]  ? __kasan_kmalloc (mm/kasan/common.c:398 mm/kasan/common.c:415)
[  586.025285][ T9385]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[  586.025287][ T9385]  ? snd_ac97_proc_read_main (sound/pci/ac97/ac97_proc.c:320)
[  586.025290][ T9385]  ? ___sys_sendmsg (net/socket.c:2758)
[  586.025294][ T9385]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2))
[  586.025296][ T9385]  ? rtnl_newlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:366 net/core/rtnetlink.c:4214)
[  586.025299][ T9385]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  586.025301][ T9385]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  586.025302][ T9385]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  586.025303][ T9385]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  586.025305][ T9385]  ? trace_contention_end (./include/trace/events/lock.h:121 (discriminator 22))
[  586.025307][ T9385]  ? __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)
[  586.025309][ T9385]  ? __mutex_lock (kernel/locking/mutex.c:656 (discriminator 1) kernel/locking/mutex.c:821 (discriminator 1))
[  586.025311][ T9385]  ? rtnl_newlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:366 net/core/rtnetlink.c:4214)
[  586.025314][ T9385]  ? ww_mutex_lock (kernel/locking/mutex.c:934)
[  586.025315][ T9385]  ? nla_get_range_signed (lib/nlattr.c:270)
[  586.025320][ T9385]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  586.025322][ T9385]  ? __rtnl_newlink (net/core/rtnetlink.c:4063)
[  586.025327][ T9385]  rtnl_newlink (net/core/rtnetlink.c:4215)
[  586.025333][ T9385]  ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558)
[  586.025335][ T9385]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[  586.025339][ T9385]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2))
[  586.025341][ T9385]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[  586.025343][ T9385]  ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558)
[  586.025344][ T9385]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554)
[  586.025348][ T9385]  ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558)
[  586.025350][ T9385]  rtnetlink_rcv_msg (net/core/rtnetlink.c:7132)
[  586.025353][ T9385]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[  586.025355][ T9385]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[  586.025360][ T9385]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2))
[  586.025362][ T9385]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[  586.025366][ T9385]  netlink_rcv_skb (net/netlink/af_netlink.c:2556)
[  586.025369][ T9385]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[  586.025372][ T9385]  ? netlink_ack (./include/linux/skbuff.h:2718)
[  586.025378][ T9385]  ? 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))
[  586.025380][ T9385]  ? 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))
[  586.025384][ T9385]  netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[  586.025388][ T9385]  ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[  586.025391][ T9385]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[  586.025395][ T9385]  netlink_sendmsg (net/netlink/af_netlink.c:1900)
[  586.025399][ T9385]  ? netlink_unicast (./include/net/net_namespace.h:422 (discriminator 7))
[  586.025403][ T9385]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554)
[  586.025404][ T9385]  ? __import_iovec (lib/iov_iter.c:1358 lib/iov_iter.c:1373)
[  586.025409][ T9385]  __sock_sendmsg (net/socket.c:800 (discriminator 4) net/socket.c:815 (discriminator 4))
[  586.025412][ T9385]  ____sys_sendmsg (net/socket.c:2713)
[  586.025420][ T9385]  ? copy_msghdr_from_user (net/socket.c:2650)
[  586.025422][ T9385]  ? sock_write_iter (net/socket.c:1269)
[  586.025424][ T9385]  ? move_addr_to_kernel (net/socket.c:258)
[  586.025431][ T9385]  ___sys_sendmsg (net/socket.c:2767)
[  586.025434][ T9385]  ? copy_msghdr_from_user (net/socket.c:2619)
[  586.025450][ T9385]  __sys_sendmsg (net/socket.c:2799)
[  586.025453][ T9385]  ? __sys_sendmsg_sock (net/socket.c:2780)
[  586.025459][ T9385]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  586.025462][ T9385]  do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84)
[  586.025465][ T9385]  ? exc_page_fault (arch/x86/mm/fault.c:1489 (discriminator 3) arch/x86/mm/fault.c:1536 (discriminator 3))
[  586.025468][ T9385]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[  586.025470][ T9385] RIP: 0033:0x7fe2fc76554e
[  586.025475][ T9385] 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
[  586.025477][ T9385] RSP: 002b:00007ffd5ab690d0 EFLAGS: 00000202 ORIG_RAX: 000000000000002e
[  586.025480][ T9385] RAX: ffffffffffffffda RBX: 0000000000000005 RCX: 00007fe2fc76554e
[  586.025481][ T9385] RDX: 0000000000000000 RSI: 00007ffd5ab69180 RDI: 0000000000000005
[  586.025482][ T9385] RBP: 00007ffd5ab690e0 R08: 0000000000000000 R09: 0000000000000000
[  586.025483][ T9385] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a90d869
[  586.025484][ T9385] R13: 00000000004a1620 R14: 0000000000000000 R15: 00007ffd5ab69850
| [  595.837049][ T9528] softirqs last disabled at (22322): netif_change_name (./include/linux/spinlock.h:353 ./include/linux/seqlock.h:908 net/core/dev.c:1499)
| [  595.837052][ T9528] Preemption disabled at:
| [  595.837052][ T9528] vprintk_emit (kernel/printk/printk.c:2471)
| [  595.837061][ T9528] Tainted: [W]=WARN
[  595.837062][ T9528] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[  595.837063][ T9528] Call Trace:
[  595.837065][ T9528]  <TASK>
[  595.837066][ T9528]  dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120)
[  595.837072][ T9528]  ? vprintk_emit (kernel/printk/printk.c:2471)
[  595.837074][ T9528]  __might_resched.cold (kernel/sched/core.c:9234)
[  595.837079][ T9528]  ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3))
[  595.837084][ T9528]  ? __kmalloc_noprof (./include/linux/sched/mm.h:317 mm/slub.c:4636 mm/slub.c:4974 mm/slub.c:5413 mm/slub.c:5439)
[  595.837088][ T9528]  __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))
[  595.837090][ T9528]  ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[  595.837097][ T9528]  ? 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)
[  595.837099][ T9528]  alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[  595.837103][ T9528]  put_chars (drivers/char/virtio_console.c:1176)
[  595.837105][ T9528]  ? __send_to_port (drivers/char/virtio_console.c:654)
[  595.837112][ T9528]  hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2))
[  595.837120][ T9528]  ? hvc_write (drivers/tty/hvc/hvc_console.c:501)
[  595.837123][ T9528]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  595.837128][ T9528]  console_emit_next_record (kernel/printk/printk.c:3183)
[  595.837132][ T9528]  ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20)
[  595.837134][ T9528]  ? 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))
[  595.837137][ T9528]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  595.837140][ T9528]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  595.837144][ T9528]  console_flush_one_record (kernel/printk/printk.c:3268)
[  595.837148][ T9528]  ? console_emit_next_record (kernel/printk/printk.c:3150)
[  595.837150][ T9528]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[  595.837156][ T9528]  console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420)
[  595.837159][ T9528]  ? console_flush_one_record (kernel/printk/printk.c:3316)
[  595.837161][ T9528]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  595.837162][ T9528]  ? 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)
[  595.837166][ T9528]  ? __down_trylock_console_sem (kernel/printk/printk.c:334)
[  595.837168][ T9528]  ? vprintk_emit (kernel/printk/printk.c:2478)
[  595.837171][ T9528]  vprintk_emit (kernel/printk/printk.c:2479)
[  595.837174][ T9528]  ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126))
[  595.837177][ T9528]  ? _mutex_trylock_nest_lock (kernel/locking/mutex.c:1227 (discriminator 6))
[  595.837182][ T9528]  _printk (kernel/printk/printk.c:2504)
[  595.837186][ T9528]  ? snapshot_read.cold (user.c:?)
[  595.837188][ T9528]  ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4116 (discriminator 3) kernel/rcu/tree.c:4108 (discriminator 3))
[  595.837191][ T9528]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380)
[  595.837194][ T9528]  ? validate_chain (kernel/locking/lockdep.c:3817 (discriminator 2) kernel/locking/lockdep.c:3837 (discriminator 2) kernel/locking/lockdep.c:3892 (discriminator 2))
[  595.837196][ T9528]  ? netdev_name (./include/linux/netdevice.h:5709 (discriminator 1))
[  595.837200][ T9528]  ? __netdev_printk (net/core/dev.c:13148 (discriminator 2))
[  595.837203][ T9528]  ? do_setlink.isra.0 (net/core/rtnetlink.c:3246)
[  595.837205][ T9528]  netdev_info (net/core/dev.c:13195 (discriminator 3))
[  595.837208][ T9528]  ? netdev_notice (net/core/dev.c:13194)
[  595.837211][ T9528]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[  595.837214][ T9528]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554)
[  595.837217][ T9528]  ? mark_held_locks (kernel/locking/lockdep.c:4341)
[  595.837220][ T9528]  ? do_setlink.isra.0 (net/core/rtnetlink.c:3246)
[  595.837223][ T9528]  netif_change_name.cold (net/core/dev.c:1507 (discriminator 3))
[  595.837225][ T9528]  ? register_netdev (net/core/dev.c:11618)
[  595.837226][ T9528]  ? 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))
[  595.837232][ T9528]  ? netdev_adjacent_rename_links (net/core/dev.c:9598)
[  595.837234][ T9528]  ? __kernel_text_address (kernel/extable.c:79)
[  595.837237][ T9528]  ? write_profile (profile.c:?)
[  595.837241][ T9528]  ? __asan_memset (mm/kasan/shadow.c:84 (discriminator 1))
[  595.837250][ T9528]  do_setlink.isra.0 (net/core/rtnetlink.c:3246)
[  595.837254][ T9528]  ? stack_trace_save (kernel/stacktrace.c:122 (discriminator 1))
[  595.837256][ T9528]  ? rtnl_link_get_size (net/core/rtnetlink.c:747)
[  595.837258][ T9528]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:388 kernel/rcu/update.c:380)
[  595.837260][ T9528]  ? stack_depot_save_flags (lib/stackdepot.c:609 (discriminator 2) lib/stackdepot.c:676 (discriminator 2))
[  595.837263][ T9528]  ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4116 (discriminator 3) kernel/rcu/tree.c:4108 (discriminator 3))
[  595.837265][ T9528]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380)
[  595.837267][ T9528]  ? validate_chain (kernel/locking/lockdep.c:3817 (discriminator 2) kernel/locking/lockdep.c:3837 (discriminator 2) kernel/locking/lockdep.c:3892 (discriminator 2))
[  595.837270][ T9528]  ? kasan_save_stack (mm/kasan/common.c:58)
[  595.837272][ T9528]  ? kasan_save_stack (mm/kasan/common.c:57)
[  595.837273][ T9528]  ? kasan_save_track (mm/kasan/common.c:78)
[  595.837274][ T9528]  ? __kasan_kmalloc (mm/kasan/common.c:398 mm/kasan/common.c:415)
[  595.837276][ T9528]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[  595.837278][ T9528]  ? snd_ac97_proc_read_main (sound/pci/ac97/ac97_proc.c:320)
[  595.837281][ T9528]  ? ___sys_sendmsg (net/socket.c:2758)
[  595.837285][ T9528]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2))
[  595.837287][ T9528]  ? rtnl_newlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:366 net/core/rtnetlink.c:4214)
[  595.837290][ T9528]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  595.837292][ T9528]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  595.837293][ T9528]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  595.837294][ T9528]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  595.837296][ T9528]  ? trace_contention_end (./include/trace/events/lock.h:121 (discriminator 22))
[  595.837299][ T9528]  ? __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)
[  595.837300][ T9528]  ? __mutex_lock (kernel/locking/mutex.c:656 (discriminator 1) kernel/locking/mutex.c:821 (discriminator 1))
[  595.837302][ T9528]  ? rtnl_newlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:366 net/core/rtnetlink.c:4214)
[  595.837305][ T9528]  ? ww_mutex_lock (kernel/locking/mutex.c:934)
[  595.837306][ T9528]  ? nla_get_range_signed (lib/nlattr.c:270)
[  595.837312][ T9528]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  595.837314][ T9528]  ? __rtnl_newlink (net/core/rtnetlink.c:4063)
[  595.837319][ T9528]  rtnl_newlink (net/core/rtnetlink.c:4215)
[  595.837324][ T9528]  ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558)
[  595.837327][ T9528]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[  595.837331][ T9528]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2))
[  595.837333][ T9528]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[  595.837335][ T9528]  ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558)
[  595.837337][ T9528]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554)
[  595.837341][ T9528]  ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558)
[  595.837343][ T9528]  rtnetlink_rcv_msg (net/core/rtnetlink.c:7132)
[  595.837346][ T9528]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[  595.837347][ T9528]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[  595.837352][ T9528]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2))
[  595.837354][ T9528]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[  595.837357][ T9528]  netlink_rcv_skb (net/netlink/af_netlink.c:2556)
[  595.837361][ T9528]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[  595.837364][ T9528]  ? netlink_ack (./include/linux/skbuff.h:2718)
[  595.837370][ T9528]  ? 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))
[  595.837372][ T9528]  ? 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))
[  595.837377][ T9528]  netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[  595.837381][ T9528]  ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[  595.837383][ T9528]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[  595.837388][ T9528]  netlink_sendmsg (net/netlink/af_netlink.c:1900)
[  595.837392][ T9528]  ? netlink_unicast (./include/net/net_namespace.h:422 (discriminator 7))
[  595.837396][ T9528]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554)
[  595.837397][ T9528]  ? __import_iovec (lib/iov_iter.c:1358 lib/iov_iter.c:1373)
[  595.837403][ T9528]  __sock_sendmsg (net/socket.c:800 (discriminator 4) net/socket.c:815 (discriminator 4))
[  595.837406][ T9528]  ____sys_sendmsg (net/socket.c:2713)
[  595.837408][ T9528]  ? copy_msghdr_from_user (net/socket.c:2650)
[  595.837410][ T9528]  ? sock_write_iter (net/socket.c:1269)
[  595.837412][ T9528]  ? move_addr_to_kernel (net/socket.c:258)
[  595.837419][ T9528]  ___sys_sendmsg (net/socket.c:2767)
[  595.837422][ T9528]  ? copy_msghdr_from_user (net/socket.c:2619)
[  595.837438][ T9528]  __sys_sendmsg (net/socket.c:2799)
[  595.837441][ T9528]  ? __sys_sendmsg_sock (net/socket.c:2780)
[  595.837447][ T9528]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  595.837451][ T9528]  do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84)
[  595.837454][ T9528]  ? exc_page_fault (arch/x86/mm/fault.c:1489 (discriminator 3) arch/x86/mm/fault.c:1536 (discriminator 3))
[  595.837457][ T9528]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[  595.837459][ T9528] RIP: 0033:0x7f1a9deb054e
[  595.837463][ T9528] 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
[  595.837465][ T9528] RSP: 002b:00007ffc1b756120 EFLAGS: 00000202 ORIG_RAX: 000000000000002e
[  595.837468][ T9528] RAX: ffffffffffffffda RBX: 0000000000000005 RCX: 00007f1a9deb054e
[  595.837470][ T9528] RDX: 0000000000000000 RSI: 00007ffc1b7561d0 RDI: 0000000000000005
[  595.837470][ T9528] RBP: 00007ffc1b756130 R08: 0000000000000000 R09: 0000000000000000
[  595.837471][ T9528] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a90d873
[  595.837472][ T9528] R13: 00000000004a1620 R14: 0000000000000000 R15: 00007ffc1b7568a0
| [  605.967091][ T9671] softirqs last disabled at (21882): netif_change_name (./include/linux/spinlock.h:353 ./include/linux/seqlock.h:908 net/core/dev.c:1499)
| [  605.967094][ T9671] Preemption disabled at:
| [  605.967094][ T9671] vprintk_emit (kernel/printk/printk.c:2471)
| [  605.967103][ T9671] Tainted: [W]=WARN
[  605.967104][ T9671] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[  605.967106][ T9671] Call Trace:
[  605.967108][ T9671]  <TASK>
[  605.967109][ T9671]  dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120)
[  605.967115][ T9671]  ? vprintk_emit (kernel/printk/printk.c:2471)
[  605.967117][ T9671]  __might_resched.cold (kernel/sched/core.c:9234)
[  605.967122][ T9671]  ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3))
[  605.967127][ T9671]  ? __kmalloc_noprof (./include/linux/sched/mm.h:317 mm/slub.c:4636 mm/slub.c:4974 mm/slub.c:5413 mm/slub.c:5439)
[  605.967131][ T9671]  __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))
[  605.967133][ T9671]  ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[  605.967140][ T9671]  ? 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)
[  605.967143][ T9671]  alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[  605.967147][ T9671]  put_chars (drivers/char/virtio_console.c:1176)
[  605.967149][ T9671]  ? __send_to_port (drivers/char/virtio_console.c:654)
[  605.967156][ T9671]  hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2))
[  605.967164][ T9671]  ? hvc_write (drivers/tty/hvc/hvc_console.c:501)
[  605.967167][ T9671]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  605.967172][ T9671]  console_emit_next_record (kernel/printk/printk.c:3183)
[  605.967176][ T9671]  ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20)
[  605.967178][ T9671]  ? 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))
[  605.967181][ T9671]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  605.967184][ T9671]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  605.967188][ T9671]  console_flush_one_record (kernel/printk/printk.c:3268)
[  605.967192][ T9671]  ? console_emit_next_record (kernel/printk/printk.c:3150)
[  605.967194][ T9671]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[  605.967200][ T9671]  console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420)
[  605.967203][ T9671]  ? console_flush_one_record (kernel/printk/printk.c:3316)
[  605.967205][ T9671]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  605.967207][ T9671]  ? 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)
[  605.967211][ T9671]  ? __down_trylock_console_sem (kernel/printk/printk.c:334)
[  605.967213][ T9671]  ? vprintk_emit (kernel/printk/printk.c:2478)
[  605.967215][ T9671]  vprintk_emit (kernel/printk/printk.c:2479)
[  605.967219][ T9671]  ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126))
[  605.967222][ T9671]  ? _mutex_trylock_nest_lock (kernel/locking/mutex.c:1227 (discriminator 6))
[  605.967227][ T9671]  _printk (kernel/printk/printk.c:2504)
[  605.967230][ T9671]  ? snapshot_read.cold (user.c:?)
[  605.967232][ T9671]  ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4116 (discriminator 3) kernel/rcu/tree.c:4108 (discriminator 3))
[  605.967235][ T9671]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380)
[  605.967238][ T9671]  ? validate_chain (kernel/locking/lockdep.c:3817 (discriminator 2) kernel/locking/lockdep.c:3837 (discriminator 2) kernel/locking/lockdep.c:3892 (discriminator 2))
[  605.967240][ T9671]  ? netdev_name (./include/linux/netdevice.h:5709 (discriminator 1))
[  605.967244][ T9671]  ? __netdev_printk (net/core/dev.c:13148 (discriminator 2))
[  605.967250][ T9671]  ? do_setlink.isra.0 (net/core/rtnetlink.c:3246)
[  605.967253][ T9671]  netdev_info (net/core/dev.c:13195 (discriminator 3))
[  605.967256][ T9671]  ? netdev_notice (net/core/dev.c:13194)
[  605.967259][ T9671]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[  605.967262][ T9671]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554)
[  605.967264][ T9671]  ? mark_held_locks (kernel/locking/lockdep.c:4341)
[  605.967268][ T9671]  ? do_setlink.isra.0 (net/core/rtnetlink.c:3246)
[  605.967270][ T9671]  netif_change_name.cold (net/core/dev.c:1507 (discriminator 3))
[  605.967272][ T9671]  ? register_netdev (net/core/dev.c:11618)
[  605.967274][ T9671]  ? 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))
[  605.967279][ T9671]  ? netdev_adjacent_rename_links (net/core/dev.c:9598)
[  605.967282][ T9671]  ? __kernel_text_address (kernel/extable.c:79)
[  605.967284][ T9671]  ? write_profile (profile.c:?)
[  605.967288][ T9671]  ? __asan_memset (mm/kasan/shadow.c:84 (discriminator 1))
[  605.967294][ T9671]  do_setlink.isra.0 (net/core/rtnetlink.c:3246)
[  605.967298][ T9671]  ? stack_trace_save (kernel/stacktrace.c:122 (discriminator 1))
[  605.967300][ T9671]  ? rtnl_link_get_size (net/core/rtnetlink.c:747)
[  605.967301][ T9671]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:388 kernel/rcu/update.c:380)
[  605.967303][ T9671]  ? stack_depot_save_flags (lib/stackdepot.c:609 (discriminator 2) lib/stackdepot.c:676 (discriminator 2))
[  605.967307][ T9671]  ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4116 (discriminator 3) kernel/rcu/tree.c:4108 (discriminator 3))
[  605.967309][ T9671]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380)
[  605.967311][ T9671]  ? validate_chain (kernel/locking/lockdep.c:3817 (discriminator 2) kernel/locking/lockdep.c:3837 (discriminator 2) kernel/locking/lockdep.c:3892 (discriminator 2))
[  605.967313][ T9671]  ? kasan_save_stack (mm/kasan/common.c:58)
[  605.967315][ T9671]  ? kasan_save_stack (mm/kasan/common.c:57)
[  605.967317][ T9671]  ? kasan_save_track (mm/kasan/common.c:78)
[  605.967318][ T9671]  ? __kasan_kmalloc (mm/kasan/common.c:398 mm/kasan/common.c:415)
[  605.967320][ T9671]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[  605.967322][ T9671]  ? snd_ac97_proc_read_main (sound/pci/ac97/ac97_proc.c:320)
[  605.967325][ T9671]  ? ___sys_sendmsg (net/socket.c:2758)
[  605.967329][ T9671]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2))
[  605.967331][ T9671]  ? rtnl_newlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:366 net/core/rtnetlink.c:4214)
[  605.967334][ T9671]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  605.967336][ T9671]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  605.967337][ T9671]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  605.967339][ T9671]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  605.967340][ T9671]  ? trace_contention_end (./include/trace/events/lock.h:121 (discriminator 22))
[  605.967343][ T9671]  ? __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)
[  605.967344][ T9671]  ? __mutex_lock (kernel/locking/mutex.c:656 (discriminator 1) kernel/locking/mutex.c:821 (discriminator 1))
[  605.967346][ T9671]  ? rtnl_newlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:366 net/core/rtnetlink.c:4214)
[  605.967350][ T9671]  ? ww_mutex_lock (kernel/locking/mutex.c:934)
[  605.967351][ T9671]  ? nla_get_range_signed (lib/nlattr.c:270)
[  605.967356][ T9671]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  605.967358][ T9671]  ? __rtnl_newlink (net/core/rtnetlink.c:4063)
[  605.967364][ T9671]  rtnl_newlink (net/core/rtnetlink.c:4215)
[  605.967369][ T9671]  ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558)
[  605.967371][ T9671]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[  605.967376][ T9671]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2))
[  605.967378][ T9671]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[  605.967380][ T9671]  ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558)
[  605.967382][ T9671]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554)
[  605.967386][ T9671]  ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558)
[  605.967388][ T9671]  rtnetlink_rcv_msg (net/core/rtnetlink.c:7132)
[  605.967391][ T9671]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[  605.967392][ T9671]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[  605.967397][ T9671]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2))
[  605.967399][ T9671]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[  605.967403][ T9671]  netlink_rcv_skb (net/netlink/af_netlink.c:2556)
[  605.967406][ T9671]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[  605.967409][ T9671]  ? netlink_ack (./include/linux/skbuff.h:2718)
[  605.967415][ T9671]  ? 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))
[  605.967418][ T9671]  ? 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))
[  605.967422][ T9671]  netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[  605.967426][ T9671]  ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[  605.967429][ T9671]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[  605.967433][ T9671]  netlink_sendmsg (net/netlink/af_netlink.c:1900)
[  605.967437][ T9671]  ? netlink_unicast (./include/net/net_namespace.h:422 (discriminator 7))
[  605.967441][ T9671]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554)
[  605.967443][ T9671]  ? __import_iovec (lib/iov_iter.c:1358 lib/iov_iter.c:1373)
[  605.967448][ T9671]  __sock_sendmsg (net/socket.c:800 (discriminator 4) net/socket.c:815 (discriminator 4))
[  605.967451][ T9671]  ____sys_sendmsg (net/socket.c:2713)
[  605.967454][ T9671]  ? copy_msghdr_from_user (net/socket.c:2650)
[  605.967456][ T9671]  ? sock_write_iter (net/socket.c:1269)
[  605.967458][ T9671]  ? move_addr_to_kernel (net/socket.c:258)
[  605.967465][ T9671]  ___sys_sendmsg (net/socket.c:2767)
[  605.967468][ T9671]  ? copy_msghdr_from_user (net/socket.c:2619)
[  605.967484][ T9671]  __sys_sendmsg (net/socket.c:2799)
[  605.967487][ T9671]  ? __sys_sendmsg_sock (net/socket.c:2780)
[  605.967493][ T9671]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  605.967496][ T9671]  do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84)
[  605.967499][ T9671]  ? exc_page_fault (arch/x86/mm/fault.c:1489 (discriminator 3) arch/x86/mm/fault.c:1536 (discriminator 3))
[  605.967502][ T9671]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[  605.967505][ T9671] RIP: 0033:0x7fc09ef7c54e
[  605.967509][ T9671] 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
[  605.967511][ T9671] RSP: 002b:00007fff99d301d0 EFLAGS: 00000202 ORIG_RAX: 000000000000002e
[  605.967514][ T9671] RAX: ffffffffffffffda RBX: 0000000000000005 RCX: 00007fc09ef7c54e
[  605.967516][ T9671] RDX: 0000000000000000 RSI: 00007fff99d30280 RDI: 0000000000000005
[  605.967516][ T9671] RBP: 00007fff99d301e0 R08: 0000000000000000 R09: 0000000000000000
[  605.967517][ T9671] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a90d87d
[  605.967518][ T9671] R13: 00000000004a1620 R14: 0000000000000000 R15: 00007fff99d30950
| [  616.228603][ T9814] softirqs last disabled at (18940): netif_change_name (./include/linux/spinlock.h:353 ./include/linux/seqlock.h:908 net/core/dev.c:1499)
| [  616.228607][ T9814] Preemption disabled at:
| [  616.228607][ T9814] vprintk_emit (kernel/printk/printk.c:2471)
| [  616.228619][ T9814] Tainted: [W]=WARN
[  616.228620][ T9814] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[  616.228622][ T9814] Call Trace:
[  616.228625][ T9814]  <TASK>
[  616.228627][ T9814]  dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120)
[  616.228634][ T9814]  ? vprintk_emit (kernel/printk/printk.c:2471)
[  616.228637][ T9814]  __might_resched.cold (kernel/sched/core.c:9234)
[  616.228643][ T9814]  ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3))
[  616.228648][ T9814]  ? __kmalloc_noprof (./include/linux/sched/mm.h:317 mm/slub.c:4636 mm/slub.c:4974 mm/slub.c:5413 mm/slub.c:5439)
[  616.228655][ T9814]  __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))
[  616.228658][ T9814]  ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[  616.228667][ T9814]  ? 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)
[  616.228670][ T9814]  alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[  616.228676][ T9814]  put_chars (drivers/char/virtio_console.c:1176)
[  616.228679][ T9814]  ? __send_to_port (drivers/char/virtio_console.c:654)
[  616.228695][ T9814]  hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2))
[  616.228706][ T9814]  ? hvc_write (drivers/tty/hvc/hvc_console.c:501)
[  616.228710][ T9814]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  616.228717][ T9814]  console_emit_next_record (kernel/printk/printk.c:3183)
[  616.228723][ T9814]  ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20)
[  616.228725][ T9814]  ? 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))
[  616.228730][ T9814]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  616.228733][ T9814]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  616.228739][ T9814]  console_flush_one_record (kernel/printk/printk.c:3268)
[  616.228746][ T9814]  ? console_emit_next_record (kernel/printk/printk.c:3150)
[  616.228748][ T9814]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[  616.228757][ T9814]  console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420)
[  616.228761][ T9814]  ? console_flush_one_record (kernel/printk/printk.c:3316)
[  616.228763][ T9814]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  616.228766][ T9814]  ? 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)
[  616.228771][ T9814]  ? __down_trylock_console_sem (kernel/printk/printk.c:334)
[  616.228774][ T9814]  ? vprintk_emit (kernel/printk/printk.c:2478)
[  616.228778][ T9814]  vprintk_emit (kernel/printk/printk.c:2479)
[  616.228783][ T9814]  ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126))
[  616.228787][ T9814]  ? _mutex_trylock_nest_lock (kernel/locking/mutex.c:1227 (discriminator 6))
[  616.228794][ T9814]  _printk (kernel/printk/printk.c:2504)
[  616.228799][ T9814]  ? snapshot_read.cold (user.c:?)
[  616.228801][ T9814]  ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4116 (discriminator 3) kernel/rcu/tree.c:4108 (discriminator 3))
[  616.228806][ T9814]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380)
[  616.228809][ T9814]  ? validate_chain (kernel/locking/lockdep.c:3817 (discriminator 2) kernel/locking/lockdep.c:3837 (discriminator 2) kernel/locking/lockdep.c:3892 (discriminator 2))
[  616.228812][ T9814]  ? netdev_name (./include/linux/netdevice.h:5709 (discriminator 1))
[  616.228817][ T9814]  ? __netdev_printk (net/core/dev.c:13148 (discriminator 2))
[  616.228821][ T9814]  ? do_setlink.isra.0 (net/core/rtnetlink.c:3246)
[  616.228824][ T9814]  netdev_info (net/core/dev.c:13195 (discriminator 3))
[  616.228828][ T9814]  ? netdev_notice (net/core/dev.c:13194)
[  616.228832][ T9814]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[  616.228836][ T9814]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554)
[  616.228840][ T9814]  ? mark_held_locks (kernel/locking/lockdep.c:4341)
[  616.228845][ T9814]  ? do_setlink.isra.0 (net/core/rtnetlink.c:3246)
[  616.228848][ T9814]  netif_change_name.cold (net/core/dev.c:1507 (discriminator 3))
[  616.228852][ T9814]  ? register_netdev (net/core/dev.c:11618)
[  616.228854][ T9814]  ? 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))
[  616.228861][ T9814]  ? netdev_adjacent_rename_links (net/core/dev.c:9598)
[  616.228865][ T9814]  ? __kernel_text_address (kernel/extable.c:79)
[  616.228868][ T9814]  ? write_profile (profile.c:?)
[  616.228874][ T9814]  ? __asan_memset (mm/kasan/shadow.c:84 (discriminator 1))
[  616.228882][ T9814]  do_setlink.isra.0 (net/core/rtnetlink.c:3246)
[  616.228887][ T9814]  ? stack_trace_save (kernel/stacktrace.c:122 (discriminator 1))
[  616.228890][ T9814]  ? rtnl_link_get_size (net/core/rtnetlink.c:747)
[  616.228892][ T9814]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:388 kernel/rcu/update.c:380)
[  616.228895][ T9814]  ? stack_depot_save_flags (lib/stackdepot.c:609 (discriminator 2) lib/stackdepot.c:676 (discriminator 2))
[  616.228899][ T9814]  ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4116 (discriminator 3) kernel/rcu/tree.c:4108 (discriminator 3))
[  616.228902][ T9814]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380)
[  616.228905][ T9814]  ? validate_chain (kernel/locking/lockdep.c:3817 (discriminator 2) kernel/locking/lockdep.c:3837 (discriminator 2) kernel/locking/lockdep.c:3892 (discriminator 2))
[  616.228908][ T9814]  ? kasan_save_stack (mm/kasan/common.c:58)
[  616.228911][ T9814]  ? kasan_save_stack (mm/kasan/common.c:57)
[  616.228913][ T9814]  ? kasan_save_track (mm/kasan/common.c:78)
[  616.228914][ T9814]  ? __kasan_kmalloc (mm/kasan/common.c:398 mm/kasan/common.c:415)
[  616.228918][ T9814]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[  616.228921][ T9814]  ? snd_ac97_proc_read_main (sound/pci/ac97/ac97_proc.c:320)
[  616.228924][ T9814]  ? ___sys_sendmsg (net/socket.c:2758)
[  616.228930][ T9814]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2))
[  616.228933][ T9814]  ? rtnl_newlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:366 net/core/rtnetlink.c:4214)
[  616.228937][ T9814]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  616.228939][ T9814]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  616.228942][ T9814]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  616.228944][ T9814]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  616.228946][ T9814]  ? trace_contention_end (./include/trace/events/lock.h:121 (discriminator 22))
[  616.228950][ T9814]  ? __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)
[  616.228952][ T9814]  ? __mutex_lock (kernel/locking/mutex.c:656 (discriminator 1) kernel/locking/mutex.c:821 (discriminator 1))
[  616.228956][ T9814]  ? rtnl_newlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:366 net/core/rtnetlink.c:4214)
[  616.228962][ T9814]  ? ww_mutex_lock (kernel/locking/mutex.c:934)
[  616.228963][ T9814]  ? nla_get_range_signed (lib/nlattr.c:270)
[  616.228971][ T9814]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  616.228975][ T9814]  ? __rtnl_newlink (net/core/rtnetlink.c:4063)
[  616.228984][ T9814]  rtnl_newlink (net/core/rtnetlink.c:4215)
[  616.228993][ T9814]  ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558)
[  616.228996][ T9814]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[  616.229004][ T9814]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2))
[  616.229007][ T9814]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[  616.229010][ T9814]  ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558)
[  616.229013][ T9814]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554)
[  616.229019][ T9814]  ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558)
[  616.229022][ T9814]  rtnetlink_rcv_msg (net/core/rtnetlink.c:7132)
[  616.229027][ T9814]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[  616.229030][ T9814]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[  616.229037][ T9814]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2))
[  616.229040][ T9814]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[  616.229046][ T9814]  netlink_rcv_skb (net/netlink/af_netlink.c:2556)
[  616.229050][ T9814]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[  616.229055][ T9814]  ? netlink_ack (./include/linux/skbuff.h:2718)
[  616.229066][ T9814]  ? 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))
[  616.229070][ T9814]  ? 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))
[  616.229077][ T9814]  netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[  616.229084][ T9814]  ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[  616.229088][ T9814]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[  616.229095][ T9814]  netlink_sendmsg (net/netlink/af_netlink.c:1900)
[  616.229102][ T9814]  ? netlink_unicast (./include/net/net_namespace.h:422 (discriminator 7))
[  616.229108][ T9814]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554)
[  616.229111][ T9814]  ? __import_iovec (lib/iov_iter.c:1358 lib/iov_iter.c:1373)
[  616.229119][ T9814]  __sock_sendmsg (net/socket.c:800 (discriminator 4) net/socket.c:815 (discriminator 4))
[  616.229124][ T9814]  ____sys_sendmsg (net/socket.c:2713)
[  616.229127][ T9814]  ? copy_msghdr_from_user (net/socket.c:2650)
[  616.229131][ T9814]  ? sock_write_iter (net/socket.c:1269)
[  616.229133][ T9814]  ? move_addr_to_kernel (net/socket.c:258)
[  616.229146][ T9814]  ___sys_sendmsg (net/socket.c:2767)
[  616.229151][ T9814]  ? copy_msghdr_from_user (net/socket.c:2619)
[  616.229177][ T9814]  __sys_sendmsg (net/socket.c:2799)
[  616.229182][ T9814]  ? __sys_sendmsg_sock (net/socket.c:2780)
[  616.229191][ T9814]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  616.229196][ T9814]  do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84)
[  616.229200][ T9814]  ? exc_page_fault (arch/x86/mm/fault.c:1489 (discriminator 3) arch/x86/mm/fault.c:1536 (discriminator 3))
[  616.229204][ T9814]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[  616.229208][ T9814] RIP: 0033:0x7ff70a99054e
[  616.229213][ T9814] 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
[  616.229215][ T9814] RSP: 002b:00007ffe152821e0 EFLAGS: 00000202 ORIG_RAX: 000000000000002e
[  616.229219][ T9814] RAX: ffffffffffffffda RBX: 0000000000000005 RCX: 00007ff70a99054e
[  616.229221][ T9814] RDX: 0000000000000000 RSI: 00007ffe15282290 RDI: 0000000000000005
[  616.229222][ T9814] RBP: 00007ffe152821f0 R08: 0000000000000000 R09: 0000000000000000
[  616.229223][ T9814] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a90d887
[  616.229224][ T9814] R13: 00000000004a1620 R14: 0000000000000000 R15: 00007ffe15282960
| [  625.899498][ T9957] softirqs last disabled at (20364): netif_change_name (./include/linux/spinlock.h:353 ./include/linux/seqlock.h:908 net/core/dev.c:1499)
| [  625.899502][ T9957] Preemption disabled at:
| [  625.899503][ T9957] vprintk_emit (kernel/printk/printk.c:2471)
| [  625.899514][ T9957] Tainted: [W]=WARN
[  625.899515][ T9957] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[  625.899518][ T9957] Call Trace:
[  625.899520][ T9957]  <TASK>
[  625.899522][ T9957]  dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120)
[  625.899530][ T9957]  ? vprintk_emit (kernel/printk/printk.c:2471)
[  625.899532][ T9957]  __might_resched.cold (kernel/sched/core.c:9234)
[  625.899539][ T9957]  ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3))
[  625.899545][ T9957]  ? __kmalloc_noprof (./include/linux/sched/mm.h:317 mm/slub.c:4636 mm/slub.c:4974 mm/slub.c:5413 mm/slub.c:5439)
[  625.899552][ T9957]  __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))
[  625.899556][ T9957]  ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[  625.899565][ T9957]  ? 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)
[  625.899569][ T9957]  alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[  625.899575][ T9957]  put_chars (drivers/char/virtio_console.c:1176)
[  625.899579][ T9957]  ? __send_to_port (drivers/char/virtio_console.c:654)
[  625.899591][ T9957]  hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2))
[  625.899603][ T9957]  ? hvc_write (drivers/tty/hvc/hvc_console.c:501)
[  625.899608][ T9957]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  625.899616][ T9957]  console_emit_next_record (kernel/printk/printk.c:3183)
[  625.899622][ T9957]  ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20)
[  625.899625][ T9957]  ? 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))
[  625.899631][ T9957]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  625.899635][ T9957]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  625.899642][ T9957]  console_flush_one_record (kernel/printk/printk.c:3268)
[  625.899649][ T9957]  ? console_emit_next_record (kernel/printk/printk.c:3150)
[  625.899652][ T9957]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[  625.899661][ T9957]  console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420)
[  625.899666][ T9957]  ? console_flush_one_record (kernel/printk/printk.c:3316)
[  625.899669][ T9957]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  625.899672][ T9957]  ? 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)
[  625.899679][ T9957]  ? __down_trylock_console_sem (kernel/printk/printk.c:334)
[  625.899681][ T9957]  ? vprintk_emit (kernel/printk/printk.c:2478)
[  625.899687][ T9957]  vprintk_emit (kernel/printk/printk.c:2479)
[  625.899692][ T9957]  ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126))
[  625.899697][ T9957]  ? _mutex_trylock_nest_lock (kernel/locking/mutex.c:1227 (discriminator 6))
[  625.899705][ T9957]  _printk (kernel/printk/printk.c:2504)
[  625.899710][ T9957]  ? snapshot_read.cold (user.c:?)
[  625.899713][ T9957]  ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4116 (discriminator 3) kernel/rcu/tree.c:4108 (discriminator 3))
[  625.899718][ T9957]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380)
[  625.899722][ T9957]  ? validate_chain (kernel/locking/lockdep.c:3817 (discriminator 2) kernel/locking/lockdep.c:3837 (discriminator 2) kernel/locking/lockdep.c:3892 (discriminator 2))
[  625.899726][ T9957]  ? netdev_name (./include/linux/netdevice.h:5709 (discriminator 1))
[  625.899731][ T9957]  ? __netdev_printk (net/core/dev.c:13148 (discriminator 2))
[  625.899736][ T9957]  ? do_setlink.isra.0 (net/core/rtnetlink.c:3246)
[  625.899740][ T9957]  netdev_info (net/core/dev.c:13195 (discriminator 3))
[  625.899744][ T9957]  ? netdev_notice (net/core/dev.c:13194)
[  625.899749][ T9957]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[  625.899754][ T9957]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554)
[  625.899758][ T9957]  ? mark_held_locks (kernel/locking/lockdep.c:4341)
[  625.899764][ T9957]  ? do_setlink.isra.0 (net/core/rtnetlink.c:3246)
[  625.899774][ T9957]  netif_change_name.cold (net/core/dev.c:1507 (discriminator 3))
[  625.899778][ T9957]  ? register_netdev (net/core/dev.c:11618)
[  625.899781][ T9957]  ? 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))
[  625.899789][ T9957]  ? netdev_adjacent_rename_links (net/core/dev.c:9598)
[  625.899793][ T9957]  ? __kernel_text_address (kernel/extable.c:79)
[  625.899796][ T9957]  ? write_profile (profile.c:?)
[  625.899803][ T9957]  ? __asan_memset (mm/kasan/shadow.c:84 (discriminator 1))
[  625.899812][ T9957]  do_setlink.isra.0 (net/core/rtnetlink.c:3246)
[  625.899818][ T9957]  ? stack_trace_save (kernel/stacktrace.c:122 (discriminator 1))
[  625.899822][ T9957]  ? rtnl_link_get_size (net/core/rtnetlink.c:747)
[  625.899824][ T9957]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:388 kernel/rcu/update.c:380)
[  625.899827][ T9957]  ? stack_depot_save_flags (lib/stackdepot.c:609 (discriminator 2) lib/stackdepot.c:676 (discriminator 2))
[  625.899832][ T9957]  ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4116 (discriminator 3) kernel/rcu/tree.c:4108 (discriminator 3))
[  625.899835][ T9957]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380)
[  625.899838][ T9957]  ? validate_chain (kernel/locking/lockdep.c:3817 (discriminator 2) kernel/locking/lockdep.c:3837 (discriminator 2) kernel/locking/lockdep.c:3892 (discriminator 2))
[  625.899842][ T9957]  ? kasan_save_stack (mm/kasan/common.c:58)
[  625.899845][ T9957]  ? kasan_save_stack (mm/kasan/common.c:57)
[  625.899847][ T9957]  ? kasan_save_track (mm/kasan/common.c:78)
[  625.899849][ T9957]  ? __kasan_kmalloc (mm/kasan/common.c:398 mm/kasan/common.c:415)
[  625.899853][ T9957]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[  625.899856][ T9957]  ? snd_ac97_proc_read_main (sound/pci/ac97/ac97_proc.c:320)
[  625.899860][ T9957]  ? ___sys_sendmsg (net/socket.c:2758)
[  625.899866][ T9957]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2))
[  625.899870][ T9957]  ? rtnl_newlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:366 net/core/rtnetlink.c:4214)
[  625.899874][ T9957]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  625.899878][ T9957]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  625.899880][ T9957]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  625.899882][ T9957]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  625.899885][ T9957]  ? trace_contention_end (./include/trace/events/lock.h:121 (discriminator 22))
[  625.899889][ T9957]  ? __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)
[  625.899891][ T9957]  ? __mutex_lock (kernel/locking/mutex.c:656 (discriminator 1) kernel/locking/mutex.c:821 (discriminator 1))
[  625.899895][ T9957]  ? rtnl_newlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:366 net/core/rtnetlink.c:4214)
[  625.899901][ T9957]  ? ww_mutex_lock (kernel/locking/mutex.c:934)
[  625.899903][ T9957]  ? nla_get_range_signed (lib/nlattr.c:270)
[  625.899911][ T9957]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  625.899915][ T9957]  ? __rtnl_newlink (net/core/rtnetlink.c:4063)
[  625.899925][ T9957]  rtnl_newlink (net/core/rtnetlink.c:4215)
[  625.899935][ T9957]  ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558)
[  625.899938][ T9957]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[  625.899946][ T9957]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2))
[  625.899949][ T9957]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[  625.899953][ T9957]  ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558)
[  625.899956][ T9957]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554)
[  625.899962][ T9957]  ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558)
[  625.899966][ T9957]  rtnetlink_rcv_msg (net/core/rtnetlink.c:7132)
[  625.899972][ T9957]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[  625.899974][ T9957]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[  625.899982][ T9957]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2))
[  625.899985][ T9957]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[  625.899991][ T9957]  netlink_rcv_skb (net/netlink/af_netlink.c:2556)
[  625.899995][ T9957]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[  625.900001][ T9957]  ? netlink_ack (./include/linux/skbuff.h:2718)
[  625.900012][ T9957]  ? 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))
[  625.900015][ T9957]  ? 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))
[  625.900023][ T9957]  netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[  625.900030][ T9957]  ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[  625.900034][ T9957]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[  625.900042][ T9957]  netlink_sendmsg (net/netlink/af_netlink.c:1900)
[  625.900049][ T9957]  ? netlink_unicast (./include/net/net_namespace.h:422 (discriminator 7))
[  625.900056][ T9957]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554)
[  625.900058][ T9957]  ? __import_iovec (lib/iov_iter.c:1358 lib/iov_iter.c:1373)
[  625.900067][ T9957]  __sock_sendmsg (net/socket.c:800 (discriminator 4) net/socket.c:815 (discriminator 4))
[  625.900071][ T9957]  ____sys_sendmsg (net/socket.c:2713)
[  625.900075][ T9957]  ? copy_msghdr_from_user (net/socket.c:2650)
[  625.900079][ T9957]  ? sock_write_iter (net/socket.c:1269)
[  625.900081][ T9957]  ? move_addr_to_kernel (net/socket.c:258)
[  625.900095][ T9957]  ___sys_sendmsg (net/socket.c:2767)
[  625.900100][ T9957]  ? copy_msghdr_from_user (net/socket.c:2619)
[  625.900130][ T9957]  __sys_sendmsg (net/socket.c:2799)
[  625.900135][ T9957]  ? __sys_sendmsg_sock (net/socket.c:2780)
[  625.900146][ T9957]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  625.900152][ T9957]  do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84)
[  625.900156][ T9957]  ? exc_page_fault (arch/x86/mm/fault.c:1489 (discriminator 3) arch/x86/mm/fault.c:1536 (discriminator 3))
[  625.900161][ T9957]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[  625.900164][ T9957] RIP: 0033:0x7fc09054b54e
[  625.900169][ T9957] 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
[  625.900172][ T9957] RSP: 002b:00007ffc1cbb7000 EFLAGS: 00000202 ORIG_RAX: 000000000000002e
[  625.900176][ T9957] RAX: ffffffffffffffda RBX: 0000000000000005 RCX: 00007fc09054b54e
[  625.900178][ T9957] RDX: 0000000000000000 RSI: 00007ffc1cbb70b0 RDI: 0000000000000005
[  625.900180][ T9957] RBP: 00007ffc1cbb7010 R08: 0000000000000000 R09: 0000000000000000
[  625.900181][ T9957] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a90d891
[  625.900182][ T9957] R13: 00000000004a1620 R14: 0000000000000000 R15: 00007ffc1cbb7780
| [  636.319068][T10100] softirqs last disabled at (19294): netif_change_name (./include/linux/spinlock.h:353 ./include/linux/seqlock.h:908 net/core/dev.c:1499)
| [  636.319070][T10100] Preemption disabled at:
| [  636.319071][T10100] vprintk_emit (kernel/printk/printk.c:2471)
| [  636.319079][T10100] Tainted: [W]=WARN
[  636.319080][T10100] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[  636.319082][T10100] Call Trace:
[  636.319084][T10100]  <TASK>
[  636.319085][T10100]  dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120)
[  636.319091][T10100]  ? vprintk_emit (kernel/printk/printk.c:2471)
[  636.319093][T10100]  __might_resched.cold (kernel/sched/core.c:9234)
[  636.319098][T10100]  ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3))
[  636.319102][T10100]  ? __kmalloc_noprof (./include/linux/sched/mm.h:317 mm/slub.c:4636 mm/slub.c:4974 mm/slub.c:5413 mm/slub.c:5439)
[  636.319107][T10100]  __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))
[  636.319109][T10100]  ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[  636.319115][T10100]  ? 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)
[  636.319118][T10100]  alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[  636.319121][T10100]  put_chars (drivers/char/virtio_console.c:1176)
[  636.319124][T10100]  ? __send_to_port (drivers/char/virtio_console.c:654)
[  636.319130][T10100]  hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2))
[  636.319138][T10100]  ? hvc_write (drivers/tty/hvc/hvc_console.c:501)
[  636.319141][T10100]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  636.319145][T10100]  console_emit_next_record (kernel/printk/printk.c:3183)
[  636.319149][T10100]  ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20)
[  636.319151][T10100]  ? 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))
[  636.319154][T10100]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  636.319157][T10100]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  636.319161][T10100]  console_flush_one_record (kernel/printk/printk.c:3268)
[  636.319165][T10100]  ? console_emit_next_record (kernel/printk/printk.c:3150)
[  636.319167][T10100]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[  636.319173][T10100]  console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420)
[  636.319176][T10100]  ? console_flush_one_record (kernel/printk/printk.c:3316)
[  636.319178][T10100]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  636.319179][T10100]  ? 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)
[  636.319183][T10100]  ? __down_trylock_console_sem (kernel/printk/printk.c:334)
[  636.319185][T10100]  ? vprintk_emit (kernel/printk/printk.c:2478)
[  636.319188][T10100]  vprintk_emit (kernel/printk/printk.c:2479)
[  636.319191][T10100]  ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126))
[  636.319194][T10100]  ? _mutex_trylock_nest_lock (kernel/locking/mutex.c:1227 (discriminator 6))
[  636.319199][T10100]  _printk (kernel/printk/printk.c:2504)
[  636.319202][T10100]  ? snapshot_read.cold (user.c:?)
[  636.319204][T10100]  ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4116 (discriminator 3) kernel/rcu/tree.c:4108 (discriminator 3))
[  636.319207][T10100]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380)
[  636.319210][T10100]  ? validate_chain (kernel/locking/lockdep.c:3817 (discriminator 2) kernel/locking/lockdep.c:3837 (discriminator 2) kernel/locking/lockdep.c:3892 (discriminator 2))
[  636.319212][T10100]  ? netdev_name (./include/linux/netdevice.h:5709 (discriminator 1))
[  636.319216][T10100]  ? __netdev_printk (net/core/dev.c:13148 (discriminator 2))
[  636.319219][T10100]  ? do_setlink.isra.0 (net/core/rtnetlink.c:3246)
[  636.319221][T10100]  netdev_info (net/core/dev.c:13195 (discriminator 3))
[  636.319224][T10100]  ? netdev_notice (net/core/dev.c:13194)
[  636.319226][T10100]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[  636.319229][T10100]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554)
[  636.319232][T10100]  ? mark_held_locks (kernel/locking/lockdep.c:4341)
[  636.319236][T10100]  ? do_setlink.isra.0 (net/core/rtnetlink.c:3246)
[  636.319238][T10100]  netif_change_name.cold (net/core/dev.c:1507 (discriminator 3))
[  636.319240][T10100]  ? register_netdev (net/core/dev.c:11618)
[  636.319241][T10100]  ? 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))
[  636.319250][T10100]  ? netdev_adjacent_rename_links (net/core/dev.c:9598)
[  636.319253][T10100]  ? __kernel_text_address (kernel/extable.c:79)
[  636.319255][T10100]  ? write_profile (profile.c:?)
[  636.319260][T10100]  ? __asan_memset (mm/kasan/shadow.c:84 (discriminator 1))
[  636.319265][T10100]  do_setlink.isra.0 (net/core/rtnetlink.c:3246)
[  636.319269][T10100]  ? stack_trace_save (kernel/stacktrace.c:122 (discriminator 1))
[  636.319271][T10100]  ? rtnl_link_get_size (net/core/rtnetlink.c:747)
[  636.319272][T10100]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:388 kernel/rcu/update.c:380)
[  636.319274][T10100]  ? stack_depot_save_flags (lib/stackdepot.c:609 (discriminator 2) lib/stackdepot.c:676 (discriminator 2))
[  636.319278][T10100]  ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4116 (discriminator 3) kernel/rcu/tree.c:4108 (discriminator 3))
[  636.319280][T10100]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380)
[  636.319281][T10100]  ? validate_chain (kernel/locking/lockdep.c:3817 (discriminator 2) kernel/locking/lockdep.c:3837 (discriminator 2) kernel/locking/lockdep.c:3892 (discriminator 2))
[  636.319284][T10100]  ? kasan_save_stack (mm/kasan/common.c:58)
[  636.319286][T10100]  ? kasan_save_stack (mm/kasan/common.c:57)
[  636.319287][T10100]  ? kasan_save_track (mm/kasan/common.c:78)
[  636.319288][T10100]  ? __kasan_kmalloc (mm/kasan/common.c:398 mm/kasan/common.c:415)
[  636.319290][T10100]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[  636.319292][T10100]  ? snd_ac97_proc_read_main (sound/pci/ac97/ac97_proc.c:320)
[  636.319295][T10100]  ? ___sys_sendmsg (net/socket.c:2758)
[  636.319299][T10100]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2))
[  636.319301][T10100]  ? rtnl_newlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:366 net/core/rtnetlink.c:4214)
[  636.319304][T10100]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  636.319306][T10100]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  636.319307][T10100]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  636.319308][T10100]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  636.319310][T10100]  ? trace_contention_end (./include/trace/events/lock.h:121 (discriminator 22))
[  636.319313][T10100]  ? __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)
[  636.319314][T10100]  ? __mutex_lock (kernel/locking/mutex.c:656 (discriminator 1) kernel/locking/mutex.c:821 (discriminator 1))
[  636.319316][T10100]  ? rtnl_newlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:366 net/core/rtnetlink.c:4214)
[  636.319319][T10100]  ? ww_mutex_lock (kernel/locking/mutex.c:934)
[  636.319320][T10100]  ? nla_get_range_signed (lib/nlattr.c:270)
[  636.319326][T10100]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  636.319328][T10100]  ? __rtnl_newlink (net/core/rtnetlink.c:4063)
[  636.319333][T10100]  rtnl_newlink (net/core/rtnetlink.c:4215)
[  636.319338][T10100]  ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558)
[  636.319340][T10100]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[  636.319345][T10100]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2))
[  636.319347][T10100]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[  636.319349][T10100]  ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558)
[  636.319351][T10100]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554)
[  636.319355][T10100]  ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558)
[  636.319357][T10100]  rtnetlink_rcv_msg (net/core/rtnetlink.c:7132)
[  636.319360][T10100]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[  636.319361][T10100]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[  636.319366][T10100]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2))
[  636.319368][T10100]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[  636.319371][T10100]  netlink_rcv_skb (net/netlink/af_netlink.c:2556)
[  636.319375][T10100]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[  636.319378][T10100]  ? netlink_ack (./include/linux/skbuff.h:2718)
[  636.319384][T10100]  ? 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))
[  636.319386][T10100]  ? 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))
[  636.319391][T10100]  netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[  636.319395][T10100]  ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[  636.319398][T10100]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[  636.319402][T10100]  netlink_sendmsg (net/netlink/af_netlink.c:1900)
[  636.319406][T10100]  ? netlink_unicast (./include/net/net_namespace.h:422 (discriminator 7))
[  636.319410][T10100]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554)
[  636.319411][T10100]  ? __import_iovec (lib/iov_iter.c:1358 lib/iov_iter.c:1373)
[  636.319417][T10100]  __sock_sendmsg (net/socket.c:800 (discriminator 4) net/socket.c:815 (discriminator 4))
[  636.319420][T10100]  ____sys_sendmsg (net/socket.c:2713)
[  636.319422][T10100]  ? copy_msghdr_from_user (net/socket.c:2650)
[  636.319424][T10100]  ? sock_write_iter (net/socket.c:1269)
[  636.319426][T10100]  ? move_addr_to_kernel (net/socket.c:258)
[  636.319433][T10100]  ___sys_sendmsg (net/socket.c:2767)
[  636.319436][T10100]  ? copy_msghdr_from_user (net/socket.c:2619)
[  636.319452][T10100]  __sys_sendmsg (net/socket.c:2799)
[  636.319455][T10100]  ? __sys_sendmsg_sock (net/socket.c:2780)
[  636.319461][T10100]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  636.319464][T10100]  do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84)
[  636.319468][T10100]  ? exc_page_fault (arch/x86/mm/fault.c:1489 (discriminator 3) arch/x86/mm/fault.c:1536 (discriminator 3))
[  636.319470][T10100]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[  636.319473][T10100] RIP: 0033:0x7fee345ce54e
[  636.319477][T10100] 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
[  636.319479][T10100] RSP: 002b:00007ffdc811be50 EFLAGS: 00000202 ORIG_RAX: 000000000000002e
[  636.319482][T10100] RAX: ffffffffffffffda RBX: 0000000000000005 RCX: 00007fee345ce54e
[  636.319483][T10100] RDX: 0000000000000000 RSI: 00007ffdc811bf00 RDI: 0000000000000005
[  636.319484][T10100] RBP: 00007ffdc811be60 R08: 0000000000000000 R09: 0000000000000000
[  636.319485][T10100] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a90d89b
[  636.319486][T10100] R13: 00000000004a1620 R14: 0000000000000000 R15: 00007ffdc811c5d0
| [  645.947997][T10243] softirqs last disabled at (20196): netif_change_name (./include/linux/spinlock.h:353 ./include/linux/seqlock.h:908 net/core/dev.c:1499)
| [  645.948000][T10243] Preemption disabled at:
| [  645.948000][T10243] vprintk_emit (kernel/printk/printk.c:2471)
| [  645.948009][T10243] Tainted: [W]=WARN
[  645.948010][T10243] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[  645.948012][T10243] Call Trace:
[  645.948013][T10243]  <TASK>
[  645.948015][T10243]  dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120)
[  645.948021][T10243]  ? vprintk_emit (kernel/printk/printk.c:2471)
[  645.948022][T10243]  __might_resched.cold (kernel/sched/core.c:9234)
[  645.948027][T10243]  ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3))
[  645.948032][T10243]  ? __kmalloc_noprof (./include/linux/sched/mm.h:317 mm/slub.c:4636 mm/slub.c:4974 mm/slub.c:5413 mm/slub.c:5439)
[  645.948037][T10243]  __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))
[  645.948040][T10243]  ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[  645.948046][T10243]  ? 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)
[  645.948049][T10243]  alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[  645.948053][T10243]  put_chars (drivers/char/virtio_console.c:1176)
[  645.948055][T10243]  ? __send_to_port (drivers/char/virtio_console.c:654)
[  645.948061][T10243]  hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2))
[  645.948069][T10243]  ? hvc_write (drivers/tty/hvc/hvc_console.c:501)
[  645.948072][T10243]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  645.948077][T10243]  console_emit_next_record (kernel/printk/printk.c:3183)
[  645.948081][T10243]  ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20)
[  645.948083][T10243]  ? 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))
[  645.948087][T10243]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  645.948090][T10243]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  645.948094][T10243]  console_flush_one_record (kernel/printk/printk.c:3268)
[  645.948098][T10243]  ? console_emit_next_record (kernel/printk/printk.c:3150)
[  645.948100][T10243]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[  645.948105][T10243]  console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420)
[  645.948108][T10243]  ? console_flush_one_record (kernel/printk/printk.c:3316)
[  645.948110][T10243]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  645.948112][T10243]  ? 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)
[  645.948116][T10243]  ? __down_trylock_console_sem (kernel/printk/printk.c:334)
[  645.948118][T10243]  ? vprintk_emit (kernel/printk/printk.c:2478)
[  645.948120][T10243]  vprintk_emit (kernel/printk/printk.c:2479)
[  645.948124][T10243]  ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126))
[  645.948126][T10243]  ? _mutex_trylock_nest_lock (kernel/locking/mutex.c:1227 (discriminator 6))
[  645.948132][T10243]  _printk (kernel/printk/printk.c:2504)
[  645.948135][T10243]  ? snapshot_read.cold (user.c:?)
[  645.948137][T10243]  ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4116 (discriminator 3) kernel/rcu/tree.c:4108 (discriminator 3))
[  645.948140][T10243]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380)
[  645.948143][T10243]  ? validate_chain (kernel/locking/lockdep.c:3817 (discriminator 2) kernel/locking/lockdep.c:3837 (discriminator 2) kernel/locking/lockdep.c:3892 (discriminator 2))
[  645.948145][T10243]  ? netdev_name (./include/linux/netdevice.h:5709 (discriminator 1))
[  645.948149][T10243]  ? __netdev_printk (net/core/dev.c:13148 (discriminator 2))
[  645.948152][T10243]  ? do_setlink.isra.0 (net/core/rtnetlink.c:3246)
[  645.948155][T10243]  netdev_info (net/core/dev.c:13195 (discriminator 3))
[  645.948158][T10243]  ? netdev_notice (net/core/dev.c:13194)
[  645.948161][T10243]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[  645.948164][T10243]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554)
[  645.948167][T10243]  ? mark_held_locks (kernel/locking/lockdep.c:4341)
[  645.948170][T10243]  ? do_setlink.isra.0 (net/core/rtnetlink.c:3246)
[  645.948172][T10243]  netif_change_name.cold (net/core/dev.c:1507 (discriminator 3))
[  645.948175][T10243]  ? register_netdev (net/core/dev.c:11618)
[  645.948176][T10243]  ? 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))
[  645.948181][T10243]  ? netdev_adjacent_rename_links (net/core/dev.c:9598)
[  645.948184][T10243]  ? __kernel_text_address (kernel/extable.c:79)
[  645.948187][T10243]  ? write_profile (profile.c:?)
[  645.948191][T10243]  ? __asan_memset (mm/kasan/shadow.c:84 (discriminator 1))
[  645.948197][T10243]  do_setlink.isra.0 (net/core/rtnetlink.c:3246)
[  645.948200][T10243]  ? stack_trace_save (kernel/stacktrace.c:122 (discriminator 1))
[  645.948202][T10243]  ? rtnl_link_get_size (net/core/rtnetlink.c:747)
[  645.948204][T10243]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:388 kernel/rcu/update.c:380)
[  645.948206][T10243]  ? stack_depot_save_flags (lib/stackdepot.c:609 (discriminator 2) lib/stackdepot.c:676 (discriminator 2))
[  645.948209][T10243]  ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4116 (discriminator 3) kernel/rcu/tree.c:4108 (discriminator 3))
[  645.948211][T10243]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380)
[  645.948213][T10243]  ? validate_chain (kernel/locking/lockdep.c:3817 (discriminator 2) kernel/locking/lockdep.c:3837 (discriminator 2) kernel/locking/lockdep.c:3892 (discriminator 2))
[  645.948215][T10243]  ? kasan_save_stack (mm/kasan/common.c:58)
[  645.948217][T10243]  ? kasan_save_stack (mm/kasan/common.c:57)
[  645.948219][T10243]  ? kasan_save_track (mm/kasan/common.c:78)
[  645.948220][T10243]  ? __kasan_kmalloc (mm/kasan/common.c:398 mm/kasan/common.c:415)
[  645.948222][T10243]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[  645.948224][T10243]  ? snd_ac97_proc_read_main (sound/pci/ac97/ac97_proc.c:320)
[  645.948227][T10243]  ? ___sys_sendmsg (net/socket.c:2758)
[  645.948231][T10243]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2))
[  645.948233][T10243]  ? rtnl_newlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:366 net/core/rtnetlink.c:4214)
[  645.948236][T10243]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  645.948238][T10243]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  645.948239][T10243]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  645.948240][T10243]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  645.948242][T10243]  ? trace_contention_end (./include/trace/events/lock.h:121 (discriminator 22))
[  645.948244][T10243]  ? __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)
[  645.948246][T10243]  ? __mutex_lock (kernel/locking/mutex.c:656 (discriminator 1) kernel/locking/mutex.c:821 (discriminator 1))
[  645.948251][T10243]  ? rtnl_newlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:366 net/core/rtnetlink.c:4214)
[  645.948254][T10243]  ? ww_mutex_lock (kernel/locking/mutex.c:934)
[  645.948256][T10243]  ? nla_get_range_signed (lib/nlattr.c:270)
[  645.948261][T10243]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  645.948263][T10243]  ? __rtnl_newlink (net/core/rtnetlink.c:4063)
[  645.948268][T10243]  rtnl_newlink (net/core/rtnetlink.c:4215)
[  645.948274][T10243]  ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558)
[  645.948276][T10243]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[  645.948280][T10243]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2))
[  645.948282][T10243]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[  645.948284][T10243]  ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558)
[  645.948286][T10243]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554)
[  645.948290][T10243]  ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558)
[  645.948292][T10243]  rtnetlink_rcv_msg (net/core/rtnetlink.c:7132)
[  645.948296][T10243]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[  645.948297][T10243]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[  645.948302][T10243]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2))
[  645.948304][T10243]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[  645.948307][T10243]  netlink_rcv_skb (net/netlink/af_netlink.c:2556)
[  645.948311][T10243]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[  645.948313][T10243]  ? netlink_ack (./include/linux/skbuff.h:2718)
[  645.948320][T10243]  ? 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))
[  645.948322][T10243]  ? 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))
[  645.948327][T10243]  netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[  645.948331][T10243]  ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[  645.948334][T10243]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[  645.948338][T10243]  netlink_sendmsg (net/netlink/af_netlink.c:1900)
[  645.948342][T10243]  ? netlink_unicast (./include/net/net_namespace.h:422 (discriminator 7))
[  645.948346][T10243]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554)
[  645.948348][T10243]  ? __import_iovec (lib/iov_iter.c:1358 lib/iov_iter.c:1373)
[  645.948353][T10243]  __sock_sendmsg (net/socket.c:800 (discriminator 4) net/socket.c:815 (discriminator 4))
[  645.948356][T10243]  ____sys_sendmsg (net/socket.c:2713)
[  645.948358][T10243]  ? copy_msghdr_from_user (net/socket.c:2650)
[  645.948361][T10243]  ? sock_write_iter (net/socket.c:1269)
[  645.948362][T10243]  ? move_addr_to_kernel (net/socket.c:258)
[  645.948370][T10243]  ___sys_sendmsg (net/socket.c:2767)
[  645.948373][T10243]  ? copy_msghdr_from_user (net/socket.c:2619)
[  645.948389][T10243]  __sys_sendmsg (net/socket.c:2799)
[  645.948392][T10243]  ? __sys_sendmsg_sock (net/socket.c:2780)
[  645.948398][T10243]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  645.948401][T10243]  do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84)
[  645.948404][T10243]  ? exc_page_fault (arch/x86/mm/fault.c:1489 (discriminator 3) arch/x86/mm/fault.c:1536 (discriminator 3))
[  645.948407][T10243]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[  645.948410][T10243] RIP: 0033:0x7efdaa74154e
[  645.948414][T10243] 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
[  645.948416][T10243] RSP: 002b:00007ffd3307c4d0 EFLAGS: 00000202 ORIG_RAX: 000000000000002e
[  645.948419][T10243] RAX: ffffffffffffffda RBX: 0000000000000005 RCX: 00007efdaa74154e
[  645.948420][T10243] RDX: 0000000000000000 RSI: 00007ffd3307c580 RDI: 0000000000000005
[  645.948421][T10243] RBP: 00007ffd3307c4e0 R08: 0000000000000000 R09: 0000000000000000
[  645.948422][T10243] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a90d8a5
[  645.948423][T10243] R13: 00000000004a1620 R14: 0000000000000000 R15: 00007ffd3307cc50
| [  655.696508][T10387] softirqs last disabled at (27186): netif_change_name (./include/linux/spinlock.h:353 ./include/linux/seqlock.h:908 net/core/dev.c:1499)
| [  655.696511][T10387] Preemption disabled at:
| [  655.696511][T10387] vprintk_emit (kernel/printk/printk.c:2471)
| [  655.696521][T10387] Tainted: [W]=WARN
[  655.696522][T10387] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[  655.696523][T10387] Call Trace:
[  655.696525][T10387]  <TASK>
[  655.696526][T10387]  dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120)
[  655.696533][T10387]  ? vprintk_emit (kernel/printk/printk.c:2471)
[  655.696534][T10387]  __might_resched.cold (kernel/sched/core.c:9234)
[  655.696539][T10387]  ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3))
[  655.696544][T10387]  ? __kmalloc_noprof (./include/linux/sched/mm.h:317 mm/slub.c:4636 mm/slub.c:4974 mm/slub.c:5413 mm/slub.c:5439)
[  655.696548][T10387]  __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))
[  655.696550][T10387]  ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[  655.696557][T10387]  ? 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)
[  655.696560][T10387]  alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[  655.696564][T10387]  put_chars (drivers/char/virtio_console.c:1176)
[  655.696566][T10387]  ? __send_to_port (drivers/char/virtio_console.c:654)
[  655.696572][T10387]  hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2))
[  655.696580][T10387]  ? hvc_write (drivers/tty/hvc/hvc_console.c:501)
[  655.696583][T10387]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  655.696588][T10387]  console_emit_next_record (kernel/printk/printk.c:3183)
[  655.696592][T10387]  ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20)
[  655.696594][T10387]  ? 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))
[  655.696598][T10387]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  655.696600][T10387]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  655.696604][T10387]  console_flush_one_record (kernel/printk/printk.c:3268)
[  655.696609][T10387]  ? console_emit_next_record (kernel/printk/printk.c:3150)
[  655.696611][T10387]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[  655.696616][T10387]  console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420)
[  655.696619][T10387]  ? console_flush_one_record (kernel/printk/printk.c:3316)
[  655.696621][T10387]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  655.696623][T10387]  ? 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)
[  655.696627][T10387]  ? __down_trylock_console_sem (kernel/printk/printk.c:334)
[  655.696629][T10387]  ? vprintk_emit (kernel/printk/printk.c:2478)
[  655.696631][T10387]  vprintk_emit (kernel/printk/printk.c:2479)
[  655.696635][T10387]  ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126))
[  655.696637][T10387]  ? _mutex_trylock_nest_lock (kernel/locking/mutex.c:1227 (discriminator 6))
[  655.696643][T10387]  _printk (kernel/printk/printk.c:2504)
[  655.696646][T10387]  ? snapshot_read.cold (user.c:?)
[  655.696648][T10387]  ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4116 (discriminator 3) kernel/rcu/tree.c:4108 (discriminator 3))
[  655.696651][T10387]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380)
[  655.696654][T10387]  ? validate_chain (kernel/locking/lockdep.c:3817 (discriminator 2) kernel/locking/lockdep.c:3837 (discriminator 2) kernel/locking/lockdep.c:3892 (discriminator 2))
[  655.696656][T10387]  ? netdev_name (./include/linux/netdevice.h:5709 (discriminator 1))
[  655.696660][T10387]  ? __netdev_printk (net/core/dev.c:13148 (discriminator 2))
[  655.696662][T10387]  ? do_setlink.isra.0 (net/core/rtnetlink.c:3246)
[  655.696665][T10387]  netdev_info (net/core/dev.c:13195 (discriminator 3))
[  655.696668][T10387]  ? netdev_notice (net/core/dev.c:13194)
[  655.696671][T10387]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[  655.696674][T10387]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554)
[  655.696676][T10387]  ? mark_held_locks (kernel/locking/lockdep.c:4341)
[  655.696680][T10387]  ? do_setlink.isra.0 (net/core/rtnetlink.c:3246)
[  655.696682][T10387]  netif_change_name.cold (net/core/dev.c:1507 (discriminator 3))
[  655.696684][T10387]  ? register_netdev (net/core/dev.c:11618)
[  655.696686][T10387]  ? 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))
[  655.696691][T10387]  ? netdev_adjacent_rename_links (net/core/dev.c:9598)
[  655.696694][T10387]  ? __kernel_text_address (kernel/extable.c:79)
[  655.696696][T10387]  ? write_profile (profile.c:?)
[  655.696700][T10387]  ? __asan_memset (mm/kasan/shadow.c:84 (discriminator 1))
[  655.696706][T10387]  do_setlink.isra.0 (net/core/rtnetlink.c:3246)
[  655.696710][T10387]  ? stack_trace_save (kernel/stacktrace.c:122 (discriminator 1))
[  655.696712][T10387]  ? rtnl_link_get_size (net/core/rtnetlink.c:747)
[  655.696713][T10387]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:388 kernel/rcu/update.c:380)
[  655.696715][T10387]  ? stack_depot_save_flags (lib/stackdepot.c:609 (discriminator 2) lib/stackdepot.c:676 (discriminator 2))
[  655.696718][T10387]  ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4116 (discriminator 3) kernel/rcu/tree.c:4108 (discriminator 3))
[  655.696720][T10387]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380)
[  655.696722][T10387]  ? validate_chain (kernel/locking/lockdep.c:3817 (discriminator 2) kernel/locking/lockdep.c:3837 (discriminator 2) kernel/locking/lockdep.c:3892 (discriminator 2))
[  655.696725][T10387]  ? kasan_save_stack (mm/kasan/common.c:58)
[  655.696727][T10387]  ? kasan_save_stack (mm/kasan/common.c:57)
[  655.696728][T10387]  ? kasan_save_track (mm/kasan/common.c:78)
[  655.696729][T10387]  ? __kasan_kmalloc (mm/kasan/common.c:398 mm/kasan/common.c:415)
[  655.696732][T10387]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[  655.696734][T10387]  ? snd_ac97_proc_read_main (sound/pci/ac97/ac97_proc.c:320)
[  655.696737][T10387]  ? ___sys_sendmsg (net/socket.c:2758)
[  655.696740][T10387]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2))
[  655.696742][T10387]  ? rtnl_newlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:366 net/core/rtnetlink.c:4214)
[  655.696745][T10387]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  655.696747][T10387]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  655.696749][T10387]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  655.696750][T10387]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  655.696752][T10387]  ? trace_contention_end (./include/trace/events/lock.h:121 (discriminator 22))
[  655.696754][T10387]  ? __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)
[  655.696755][T10387]  ? __mutex_lock (kernel/locking/mutex.c:656 (discriminator 1) kernel/locking/mutex.c:821 (discriminator 1))
[  655.696757][T10387]  ? rtnl_newlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:366 net/core/rtnetlink.c:4214)
[  655.696761][T10387]  ? ww_mutex_lock (kernel/locking/mutex.c:934)
[  655.696762][T10387]  ? nla_get_range_signed (lib/nlattr.c:270)
[  655.696767][T10387]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  655.696769][T10387]  ? __rtnl_newlink (net/core/rtnetlink.c:4063)
[  655.696775][T10387]  rtnl_newlink (net/core/rtnetlink.c:4215)
[  655.696780][T10387]  ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558)
[  655.696782][T10387]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[  655.696787][T10387]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2))
[  655.696789][T10387]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[  655.696791][T10387]  ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558)
[  655.696793][T10387]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554)
[  655.696796][T10387]  ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558)
[  655.696799][T10387]  rtnetlink_rcv_msg (net/core/rtnetlink.c:7132)
[  655.696802][T10387]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[  655.696803][T10387]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[  655.696808][T10387]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2))
[  655.696810][T10387]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[  655.696813][T10387]  netlink_rcv_skb (net/netlink/af_netlink.c:2556)
[  655.696816][T10387]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[  655.696819][T10387]  ? netlink_ack (./include/linux/skbuff.h:2718)
[  655.696826][T10387]  ? 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))
[  655.696828][T10387]  ? 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))
[  655.696832][T10387]  netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[  655.696837][T10387]  ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[  655.696839][T10387]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[  655.696844][T10387]  netlink_sendmsg (net/netlink/af_netlink.c:1900)
[  655.696848][T10387]  ? netlink_unicast (./include/net/net_namespace.h:422 (discriminator 7))
[  655.696852][T10387]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554)
[  655.696853][T10387]  ? __import_iovec (lib/iov_iter.c:1358 lib/iov_iter.c:1373)
[  655.696859][T10387]  __sock_sendmsg (net/socket.c:800 (discriminator 4) net/socket.c:815 (discriminator 4))
[  655.696861][T10387]  ____sys_sendmsg (net/socket.c:2713)
[  655.696864][T10387]  ? copy_msghdr_from_user (net/socket.c:2650)
[  655.696866][T10387]  ? sock_write_iter (net/socket.c:1269)
[  655.696868][T10387]  ? move_addr_to_kernel (net/socket.c:258)
[  655.696875][T10387]  ___sys_sendmsg (net/socket.c:2767)
[  655.696878][T10387]  ? copy_msghdr_from_user (net/socket.c:2619)
[  655.696894][T10387]  __sys_sendmsg (net/socket.c:2799)
[  655.696897][T10387]  ? __sys_sendmsg_sock (net/socket.c:2780)
[  655.696904][T10387]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  655.696907][T10387]  do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84)
[  655.696910][T10387]  ? exc_page_fault (arch/x86/mm/fault.c:1489 (discriminator 3) arch/x86/mm/fault.c:1536 (discriminator 3))
[  655.696913][T10387]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[  655.696915][T10387] RIP: 0033:0x7f4772a9354e
[  655.696919][T10387] 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
[  655.696922][T10387] RSP: 002b:00007fff7e8b4ec0 EFLAGS: 00000202 ORIG_RAX: 000000000000002e
[  655.696924][T10387] RAX: ffffffffffffffda RBX: 0000000000000005 RCX: 00007f4772a9354e
[  655.696926][T10387] RDX: 0000000000000000 RSI: 00007fff7e8b4f70 RDI: 0000000000000005
[  655.696927][T10387] RBP: 00007fff7e8b4ed0 R08: 0000000000000000 R09: 0000000000000000
[  655.696928][T10387] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a90d8ae
[  655.696929][T10387] R13: 00000000004a1620 R14: 0000000000000000 R15: 00007fff7e8b5640
| [  665.010075][T10531] softirqs last disabled at (29962): netif_change_name (./include/linux/spinlock.h:353 ./include/linux/seqlock.h:908 net/core/dev.c:1499)
| [  665.010078][T10531] Preemption disabled at:
| [  665.010079][T10531] vprintk_emit (kernel/printk/printk.c:2471)
| [  665.010088][T10531] Tainted: [W]=WARN
[  665.010089][T10531] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[  665.010091][T10531] Call Trace:
[  665.010092][T10531]  <TASK>
[  665.010094][T10531]  dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120)
[  665.010100][T10531]  ? vprintk_emit (kernel/printk/printk.c:2471)
[  665.010102][T10531]  __might_resched.cold (kernel/sched/core.c:9234)
[  665.010107][T10531]  ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3))
[  665.010117][T10531]  ? __kmalloc_noprof (./include/linux/sched/mm.h:317 mm/slub.c:4636 mm/slub.c:4974 mm/slub.c:5413 mm/slub.c:5439)
[  665.010122][T10531]  __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))
[  665.010124][T10531]  ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[  665.010130][T10531]  ? 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)
[  665.010133][T10531]  alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[  665.010137][T10531]  put_chars (drivers/char/virtio_console.c:1176)
[  665.010140][T10531]  ? __send_to_port (drivers/char/virtio_console.c:654)
[  665.010147][T10531]  hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2))
[  665.010154][T10531]  ? hvc_write (drivers/tty/hvc/hvc_console.c:501)
[  665.010157][T10531]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  665.010162][T10531]  console_emit_next_record (kernel/printk/printk.c:3183)
[  665.010166][T10531]  ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20)
[  665.010168][T10531]  ? 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))
[  665.010172][T10531]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  665.010175][T10531]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  665.010179][T10531]  console_flush_one_record (kernel/printk/printk.c:3268)
[  665.010183][T10531]  ? console_emit_next_record (kernel/printk/printk.c:3150)
[  665.010185][T10531]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[  665.010191][T10531]  console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420)
[  665.010194][T10531]  ? console_flush_one_record (kernel/printk/printk.c:3316)
[  665.010196][T10531]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  665.010198][T10531]  ? 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)
[  665.010201][T10531]  ? __down_trylock_console_sem (kernel/printk/printk.c:334)
[  665.010203][T10531]  ? vprintk_emit (kernel/printk/printk.c:2478)
[  665.010206][T10531]  vprintk_emit (kernel/printk/printk.c:2479)
[  665.010209][T10531]  ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126))
[  665.010212][T10531]  ? _mutex_trylock_nest_lock (kernel/locking/mutex.c:1227 (discriminator 6))
[  665.010218][T10531]  _printk (kernel/printk/printk.c:2504)
[  665.010221][T10531]  ? snapshot_read.cold (user.c:?)
[  665.010223][T10531]  ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4116 (discriminator 3) kernel/rcu/tree.c:4108 (discriminator 3))
[  665.010226][T10531]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380)
[  665.010229][T10531]  ? validate_chain (kernel/locking/lockdep.c:3817 (discriminator 2) kernel/locking/lockdep.c:3837 (discriminator 2) kernel/locking/lockdep.c:3892 (discriminator 2))
[  665.010231][T10531]  ? netdev_name (./include/linux/netdevice.h:5709 (discriminator 1))
[  665.010235][T10531]  ? __netdev_printk (net/core/dev.c:13148 (discriminator 2))
[  665.010238][T10531]  ? do_setlink.isra.0 (net/core/rtnetlink.c:3246)
[  665.010241][T10531]  netdev_info (net/core/dev.c:13195 (discriminator 3))
[  665.010244][T10531]  ? netdev_notice (net/core/dev.c:13194)
[  665.010247][T10531]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[  665.010253][T10531]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554)
[  665.010255][T10531]  ? mark_held_locks (kernel/locking/lockdep.c:4341)
[  665.010259][T10531]  ? do_setlink.isra.0 (net/core/rtnetlink.c:3246)
[  665.010261][T10531]  netif_change_name.cold (net/core/dev.c:1507 (discriminator 3))
[  665.010263][T10531]  ? register_netdev (net/core/dev.c:11618)
[  665.010265][T10531]  ? 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))
[  665.010270][T10531]  ? netdev_adjacent_rename_links (net/core/dev.c:9598)
[  665.010273][T10531]  ? __kernel_text_address (kernel/extable.c:79)
[  665.010275][T10531]  ? write_profile (profile.c:?)
[  665.010280][T10531]  ? __asan_memset (mm/kasan/shadow.c:84 (discriminator 1))
[  665.010285][T10531]  do_setlink.isra.0 (net/core/rtnetlink.c:3246)
[  665.010289][T10531]  ? stack_trace_save (kernel/stacktrace.c:122 (discriminator 1))
[  665.010291][T10531]  ? rtnl_link_get_size (net/core/rtnetlink.c:747)
[  665.010293][T10531]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:388 kernel/rcu/update.c:380)
[  665.010295][T10531]  ? stack_depot_save_flags (lib/stackdepot.c:609 (discriminator 2) lib/stackdepot.c:676 (discriminator 2))
[  665.010298][T10531]  ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4116 (discriminator 3) kernel/rcu/tree.c:4108 (discriminator 3))
[  665.010300][T10531]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380)
[  665.010302][T10531]  ? validate_chain (kernel/locking/lockdep.c:3817 (discriminator 2) kernel/locking/lockdep.c:3837 (discriminator 2) kernel/locking/lockdep.c:3892 (discriminator 2))
[  665.010305][T10531]  ? kasan_save_stack (mm/kasan/common.c:58)
[  665.010307][T10531]  ? kasan_save_stack (mm/kasan/common.c:57)
[  665.010308][T10531]  ? kasan_save_track (mm/kasan/common.c:78)
[  665.010309][T10531]  ? __kasan_kmalloc (mm/kasan/common.c:398 mm/kasan/common.c:415)
[  665.010312][T10531]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[  665.010314][T10531]  ? snd_ac97_proc_read_main (sound/pci/ac97/ac97_proc.c:320)
[  665.010317][T10531]  ? ___sys_sendmsg (net/socket.c:2758)
[  665.010321][T10531]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2))
[  665.010323][T10531]  ? rtnl_newlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:366 net/core/rtnetlink.c:4214)
[  665.010326][T10531]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  665.010327][T10531]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  665.010329][T10531]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  665.010330][T10531]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  665.010332][T10531]  ? trace_contention_end (./include/trace/events/lock.h:121 (discriminator 22))
[  665.010335][T10531]  ? __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)
[  665.010336][T10531]  ? __mutex_lock (kernel/locking/mutex.c:656 (discriminator 1) kernel/locking/mutex.c:821 (discriminator 1))
[  665.010338][T10531]  ? rtnl_newlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:366 net/core/rtnetlink.c:4214)
[  665.010341][T10531]  ? ww_mutex_lock (kernel/locking/mutex.c:934)
[  665.010343][T10531]  ? nla_get_range_signed (lib/nlattr.c:270)
[  665.010348][T10531]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  665.010350][T10531]  ? __rtnl_newlink (net/core/rtnetlink.c:4063)
[  665.010355][T10531]  rtnl_newlink (net/core/rtnetlink.c:4215)
[  665.010361][T10531]  ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558)
[  665.010363][T10531]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[  665.010368][T10531]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2))
[  665.010370][T10531]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[  665.010372][T10531]  ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558)
[  665.010374][T10531]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554)
[  665.010378][T10531]  ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558)
[  665.010380][T10531]  rtnetlink_rcv_msg (net/core/rtnetlink.c:7132)
[  665.010383][T10531]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[  665.010384][T10531]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[  665.010389][T10531]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2))
[  665.010391][T10531]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[  665.010395][T10531]  netlink_rcv_skb (net/netlink/af_netlink.c:2556)
[  665.010398][T10531]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[  665.010401][T10531]  ? netlink_ack (./include/linux/skbuff.h:2718)
[  665.010408][T10531]  ? 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))
[  665.010410][T10531]  ? 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))
[  665.010415][T10531]  netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[  665.010419][T10531]  ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[  665.010422][T10531]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[  665.010426][T10531]  netlink_sendmsg (net/netlink/af_netlink.c:1900)
[  665.010430][T10531]  ? netlink_unicast (./include/net/net_namespace.h:422 (discriminator 7))
[  665.010434][T10531]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554)
[  665.010436][T10531]  ? __import_iovec (lib/iov_iter.c:1358 lib/iov_iter.c:1373)
[  665.010441][T10531]  __sock_sendmsg (net/socket.c:800 (discriminator 4) net/socket.c:815 (discriminator 4))
[  665.010444][T10531]  ____sys_sendmsg (net/socket.c:2713)
[  665.010446][T10531]  ? copy_msghdr_from_user (net/socket.c:2650)
[  665.010449][T10531]  ? sock_write_iter (net/socket.c:1269)
[  665.010451][T10531]  ? move_addr_to_kernel (net/socket.c:258)
[  665.010458][T10531]  ___sys_sendmsg (net/socket.c:2767)
[  665.010461][T10531]  ? copy_msghdr_from_user (net/socket.c:2619)
[  665.010477][T10531]  __sys_sendmsg (net/socket.c:2799)
[  665.010480][T10531]  ? __sys_sendmsg_sock (net/socket.c:2780)
[  665.010487][T10531]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  665.010490][T10531]  do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84)
[  665.010493][T10531]  ? exc_page_fault (arch/x86/mm/fault.c:1489 (discriminator 3) arch/x86/mm/fault.c:1536 (discriminator 3))
[  665.010496][T10531]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[  665.010498][T10531] RIP: 0033:0x7f6b6c56e54e
[  665.010502][T10531] 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
[  665.010504][T10531] RSP: 002b:00007ffd2c323c80 EFLAGS: 00000202 ORIG_RAX: 000000000000002e
[  665.010507][T10531] RAX: ffffffffffffffda RBX: 0000000000000005 RCX: 00007f6b6c56e54e
[  665.010509][T10531] RDX: 0000000000000000 RSI: 00007ffd2c323d30 RDI: 0000000000000005
[  665.010510][T10531] RBP: 00007ffd2c323c90 R08: 0000000000000000 R09: 0000000000000000
[  665.010511][T10531] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a90d8b8
[  665.010512][T10531] R13: 00000000004a1620 R14: 0000000000000000 R15: 00007ffd2c324400
| [  674.564246][T10674] softirqs last disabled at (22698): netif_change_name (./include/linux/spinlock.h:353 ./include/linux/seqlock.h:908 net/core/dev.c:1499)
| [  674.564251][T10674] Preemption disabled at:
| [  674.564252][T10674] vprintk_emit (kernel/printk/printk.c:2471)
| [  674.564261][T10674] Tainted: [W]=WARN
[  674.564262][T10674] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[  674.564263][T10674] Call Trace:
[  674.564265][T10674]  <TASK>
[  674.564267][T10674]  dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120)
[  674.564272][T10674]  ? vprintk_emit (kernel/printk/printk.c:2471)
[  674.564274][T10674]  __might_resched.cold (kernel/sched/core.c:9234)
[  674.564279][T10674]  ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3))
[  674.564283][T10674]  ? __kmalloc_noprof (./include/linux/sched/mm.h:317 mm/slub.c:4636 mm/slub.c:4974 mm/slub.c:5413 mm/slub.c:5439)
[  674.564288][T10674]  __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))
[  674.564290][T10674]  ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[  674.564296][T10674]  ? 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)
[  674.564299][T10674]  alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[  674.564303][T10674]  put_chars (drivers/char/virtio_console.c:1176)
[  674.564305][T10674]  ? __send_to_port (drivers/char/virtio_console.c:654)
[  674.564311][T10674]  hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2))
[  674.564319][T10674]  ? hvc_write (drivers/tty/hvc/hvc_console.c:501)
[  674.564322][T10674]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  674.564327][T10674]  console_emit_next_record (kernel/printk/printk.c:3183)
[  674.564331][T10674]  ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20)
[  674.564333][T10674]  ? 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))
[  674.564336][T10674]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  674.564339][T10674]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  674.564343][T10674]  console_flush_one_record (kernel/printk/printk.c:3268)
[  674.564347][T10674]  ? console_emit_next_record (kernel/printk/printk.c:3150)
[  674.564349][T10674]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[  674.564354][T10674]  console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420)
[  674.564357][T10674]  ? console_flush_one_record (kernel/printk/printk.c:3316)
[  674.564359][T10674]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  674.564361][T10674]  ? 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)
[  674.564364][T10674]  ? __down_trylock_console_sem (kernel/printk/printk.c:334)
[  674.564366][T10674]  ? vprintk_emit (kernel/printk/printk.c:2478)
[  674.564369][T10674]  vprintk_emit (kernel/printk/printk.c:2479)
[  674.564372][T10674]  ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126))
[  674.564375][T10674]  ? _mutex_trylock_nest_lock (kernel/locking/mutex.c:1227 (discriminator 6))
[  674.564380][T10674]  _printk (kernel/printk/printk.c:2504)
[  674.564383][T10674]  ? snapshot_read.cold (user.c:?)
[  674.564385][T10674]  ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4116 (discriminator 3) kernel/rcu/tree.c:4108 (discriminator 3))
[  674.564388][T10674]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380)
[  674.564391][T10674]  ? validate_chain (kernel/locking/lockdep.c:3817 (discriminator 2) kernel/locking/lockdep.c:3837 (discriminator 2) kernel/locking/lockdep.c:3892 (discriminator 2))
[  674.564393][T10674]  ? netdev_name (./include/linux/netdevice.h:5709 (discriminator 1))
[  674.564397][T10674]  ? __netdev_printk (net/core/dev.c:13148 (discriminator 2))
[  674.564399][T10674]  ? do_setlink.isra.0 (net/core/rtnetlink.c:3246)
[  674.564402][T10674]  netdev_info (net/core/dev.c:13195 (discriminator 3))
[  674.564405][T10674]  ? netdev_notice (net/core/dev.c:13194)
[  674.564407][T10674]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[  674.564410][T10674]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554)
[  674.564413][T10674]  ? mark_held_locks (kernel/locking/lockdep.c:4341)
[  674.564416][T10674]  ? do_setlink.isra.0 (net/core/rtnetlink.c:3246)
[  674.564418][T10674]  netif_change_name.cold (net/core/dev.c:1507 (discriminator 3))
[  674.564421][T10674]  ? register_netdev (net/core/dev.c:11618)
[  674.564422][T10674]  ? 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))
[  674.564427][T10674]  ? netdev_adjacent_rename_links (net/core/dev.c:9598)
[  674.564430][T10674]  ? __kernel_text_address (kernel/extable.c:79)
[  674.564432][T10674]  ? write_profile (profile.c:?)
[  674.564436][T10674]  ? __asan_memset (mm/kasan/shadow.c:84 (discriminator 1))
[  674.564442][T10674]  do_setlink.isra.0 (net/core/rtnetlink.c:3246)
[  674.564446][T10674]  ? stack_trace_save (kernel/stacktrace.c:122 (discriminator 1))
[  674.564448][T10674]  ? rtnl_link_get_size (net/core/rtnetlink.c:747)
[  674.564449][T10674]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:388 kernel/rcu/update.c:380)
[  674.564451][T10674]  ? stack_depot_save_flags (lib/stackdepot.c:609 (discriminator 2) lib/stackdepot.c:676 (discriminator 2))
[  674.564454][T10674]  ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4116 (discriminator 3) kernel/rcu/tree.c:4108 (discriminator 3))
[  674.564456][T10674]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380)
[  674.564458][T10674]  ? validate_chain (kernel/locking/lockdep.c:3817 (discriminator 2) kernel/locking/lockdep.c:3837 (discriminator 2) kernel/locking/lockdep.c:3892 (discriminator 2))
[  674.564461][T10674]  ? kasan_save_stack (mm/kasan/common.c:58)
[  674.564463][T10674]  ? kasan_save_stack (mm/kasan/common.c:57)
[  674.564464][T10674]  ? kasan_save_track (mm/kasan/common.c:78)
[  674.564465][T10674]  ? __kasan_kmalloc (mm/kasan/common.c:398 mm/kasan/common.c:415)
[  674.564468][T10674]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[  674.564470][T10674]  ? snd_ac97_proc_read_main (sound/pci/ac97/ac97_proc.c:320)
[  674.564473][T10674]  ? ___sys_sendmsg (net/socket.c:2758)
[  674.564477][T10674]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2))
[  674.564479][T10674]  ? rtnl_newlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:366 net/core/rtnetlink.c:4214)
[  674.564481][T10674]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  674.564483][T10674]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  674.564485][T10674]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  674.564486][T10674]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  674.564487][T10674]  ? trace_contention_end (./include/trace/events/lock.h:121 (discriminator 22))
[  674.564490][T10674]  ? __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)
[  674.564491][T10674]  ? __mutex_lock (kernel/locking/mutex.c:656 (discriminator 1) kernel/locking/mutex.c:821 (discriminator 1))
[  674.564493][T10674]  ? rtnl_newlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:366 net/core/rtnetlink.c:4214)
[  674.564496][T10674]  ? ww_mutex_lock (kernel/locking/mutex.c:934)
[  674.564498][T10674]  ? nla_get_range_signed (lib/nlattr.c:270)
[  674.564502][T10674]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  674.564505][T10674]  ? __rtnl_newlink (net/core/rtnetlink.c:4063)
[  674.564510][T10674]  rtnl_newlink (net/core/rtnetlink.c:4215)
[  674.564515][T10674]  ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558)
[  674.564517][T10674]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[  674.564522][T10674]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2))
[  674.564523][T10674]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[  674.564525][T10674]  ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558)
[  674.564527][T10674]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554)
[  674.564531][T10674]  ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558)
[  674.564533][T10674]  rtnetlink_rcv_msg (net/core/rtnetlink.c:7132)
[  674.564536][T10674]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[  674.564538][T10674]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[  674.564542][T10674]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2))
[  674.564544][T10674]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[  674.564548][T10674]  netlink_rcv_skb (net/netlink/af_netlink.c:2556)
[  674.564551][T10674]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[  674.564554][T10674]  ? netlink_ack (./include/linux/skbuff.h:2718)
[  674.564560][T10674]  ? 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))
[  674.564562][T10674]  ? 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))
[  674.564567][T10674]  netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[  674.564571][T10674]  ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[  674.564573][T10674]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[  674.564578][T10674]  netlink_sendmsg (net/netlink/af_netlink.c:1900)
[  674.564582][T10674]  ? netlink_unicast (./include/net/net_namespace.h:422 (discriminator 7))
[  674.564585][T10674]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554)
[  674.564587][T10674]  ? __import_iovec (lib/iov_iter.c:1358 lib/iov_iter.c:1373)
[  674.564593][T10674]  __sock_sendmsg (net/socket.c:800 (discriminator 4) net/socket.c:815 (discriminator 4))
[  674.564596][T10674]  ____sys_sendmsg (net/socket.c:2713)
[  674.564598][T10674]  ? copy_msghdr_from_user (net/socket.c:2650)
[  674.564600][T10674]  ? sock_write_iter (net/socket.c:1269)
[  674.564602][T10674]  ? move_addr_to_kernel (net/socket.c:258)
[  674.564609][T10674]  ___sys_sendmsg (net/socket.c:2767)
[  674.564612][T10674]  ? copy_msghdr_from_user (net/socket.c:2619)
[  674.564628][T10674]  __sys_sendmsg (net/socket.c:2799)
[  674.564631][T10674]  ? __sys_sendmsg_sock (net/socket.c:2780)
[  674.564637][T10674]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  674.564640][T10674]  do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84)
[  674.564643][T10674]  ? exc_page_fault (arch/x86/mm/fault.c:1489 (discriminator 3) arch/x86/mm/fault.c:1536 (discriminator 3))
[  674.564646][T10674]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[  674.564649][T10674] RIP: 0033:0x7f9a702d154e
[  674.564653][T10674] 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
[  674.564655][T10674] RSP: 002b:00007ffd59fea890 EFLAGS: 00000202 ORIG_RAX: 000000000000002e
[  674.564658][T10674] RAX: ffffffffffffffda RBX: 0000000000000005 RCX: 00007f9a702d154e
[  674.564659][T10674] RDX: 0000000000000000 RSI: 00007ffd59fea940 RDI: 0000000000000005
[  674.564660][T10674] RBP: 00007ffd59fea8a0 R08: 0000000000000000 R09: 0000000000000000
[  674.564661][T10674] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a90d8c1
[  674.564662][T10674] R13: 00000000004a1620 R14: 0000000000000000 R15: 00007ffd59feb010
| [  684.069116][T10818] softirqs last disabled at (18602): netif_change_name (./include/linux/spinlock.h:353 ./include/linux/seqlock.h:908 net/core/dev.c:1499)
| [  684.069118][T10818] Preemption disabled at:
| [  684.069119][T10818] vprintk_emit (kernel/printk/printk.c:2471)
| [  684.069128][T10818] Tainted: [W]=WARN
[  684.069129][T10818] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[  684.069131][T10818] Call Trace:
[  684.069133][T10818]  <TASK>
[  684.069135][T10818]  dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120)
[  684.069141][T10818]  ? vprintk_emit (kernel/printk/printk.c:2471)
[  684.069142][T10818]  __might_resched.cold (kernel/sched/core.c:9234)
[  684.069147][T10818]  ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3))
[  684.069152][T10818]  ? __kmalloc_noprof (./include/linux/sched/mm.h:317 mm/slub.c:4636 mm/slub.c:4974 mm/slub.c:5413 mm/slub.c:5439)
[  684.069157][T10818]  __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))
[  684.069158][T10818]  ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[  684.069165][T10818]  ? 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)
[  684.069168][T10818]  alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[  684.069172][T10818]  put_chars (drivers/char/virtio_console.c:1176)
[  684.069174][T10818]  ? __send_to_port (drivers/char/virtio_console.c:654)
[  684.069181][T10818]  hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2))
[  684.069188][T10818]  ? hvc_write (drivers/tty/hvc/hvc_console.c:501)
[  684.069192][T10818]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  684.069196][T10818]  console_emit_next_record (kernel/printk/printk.c:3183)
[  684.069200][T10818]  ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20)
[  684.069202][T10818]  ? 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))
[  684.069206][T10818]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  684.069208][T10818]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  684.069213][T10818]  console_flush_one_record (kernel/printk/printk.c:3268)
[  684.069217][T10818]  ? console_emit_next_record (kernel/printk/printk.c:3150)
[  684.069219][T10818]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[  684.069225][T10818]  console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420)
[  684.069228][T10818]  ? console_flush_one_record (kernel/printk/printk.c:3316)
[  684.069230][T10818]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  684.069231][T10818]  ? 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)
[  684.069235][T10818]  ? __down_trylock_console_sem (kernel/printk/printk.c:334)
[  684.069237][T10818]  ? vprintk_emit (kernel/printk/printk.c:2478)
[  684.069240][T10818]  vprintk_emit (kernel/printk/printk.c:2479)
[  684.069243][T10818]  ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126))
[  684.069246][T10818]  ? _mutex_trylock_nest_lock (kernel/locking/mutex.c:1227 (discriminator 6))
[  684.069255][T10818]  _printk (kernel/printk/printk.c:2504)
[  684.069259][T10818]  ? snapshot_read.cold (user.c:?)
[  684.069260][T10818]  ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4116 (discriminator 3) kernel/rcu/tree.c:4108 (discriminator 3))
[  684.069263][T10818]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380)
[  684.069266][T10818]  ? validate_chain (kernel/locking/lockdep.c:3817 (discriminator 2) kernel/locking/lockdep.c:3837 (discriminator 2) kernel/locking/lockdep.c:3892 (discriminator 2))
[  684.069269][T10818]  ? netdev_name (./include/linux/netdevice.h:5709 (discriminator 1))
[  684.069272][T10818]  ? __netdev_printk (net/core/dev.c:13148 (discriminator 2))
[  684.069275][T10818]  ? do_setlink.isra.0 (net/core/rtnetlink.c:3246)
[  684.069277][T10818]  netdev_info (net/core/dev.c:13195 (discriminator 3))
[  684.069286][T10818]  ? netdev_notice (net/core/dev.c:13194)
[  684.069289][T10818]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[  684.069292][T10818]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554)
[  684.069295][T10818]  ? mark_held_locks (kernel/locking/lockdep.c:4341)
[  684.069298][T10818]  ? do_setlink.isra.0 (net/core/rtnetlink.c:3246)
[  684.069300][T10818]  netif_change_name.cold (net/core/dev.c:1507 (discriminator 3))
[  684.069303][T10818]  ? register_netdev (net/core/dev.c:11618)
[  684.069304][T10818]  ? 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))
[  684.069310][T10818]  ? netdev_adjacent_rename_links (net/core/dev.c:9598)
[  684.069312][T10818]  ? __kernel_text_address (kernel/extable.c:79)
[  684.069315][T10818]  ? write_profile (profile.c:?)
[  684.069319][T10818]  ? __asan_memset (mm/kasan/shadow.c:84 (discriminator 1))
[  684.069325][T10818]  do_setlink.isra.0 (net/core/rtnetlink.c:3246)
[  684.069329][T10818]  ? stack_trace_save (kernel/stacktrace.c:122 (discriminator 1))
[  684.069331][T10818]  ? rtnl_link_get_size (net/core/rtnetlink.c:747)
[  684.069332][T10818]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:388 kernel/rcu/update.c:380)
[  684.069334][T10818]  ? stack_depot_save_flags (lib/stackdepot.c:609 (discriminator 2) lib/stackdepot.c:676 (discriminator 2))
[  684.069338][T10818]  ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4116 (discriminator 3) kernel/rcu/tree.c:4108 (discriminator 3))
[  684.069340][T10818]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380)
[  684.069341][T10818]  ? validate_chain (kernel/locking/lockdep.c:3817 (discriminator 2) kernel/locking/lockdep.c:3837 (discriminator 2) kernel/locking/lockdep.c:3892 (discriminator 2))
[  684.069344][T10818]  ? kasan_save_stack (mm/kasan/common.c:58)
[  684.069346][T10818]  ? kasan_save_stack (mm/kasan/common.c:57)
[  684.069347][T10818]  ? kasan_save_track (mm/kasan/common.c:78)
[  684.069348][T10818]  ? __kasan_kmalloc (mm/kasan/common.c:398 mm/kasan/common.c:415)
[  684.069351][T10818]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[  684.069353][T10818]  ? snd_ac97_proc_read_main (sound/pci/ac97/ac97_proc.c:320)
[  684.069356][T10818]  ? ___sys_sendmsg (net/socket.c:2758)
[  684.069360][T10818]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2))
[  684.069362][T10818]  ? rtnl_newlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:366 net/core/rtnetlink.c:4214)
[  684.069365][T10818]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  684.069366][T10818]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  684.069368][T10818]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  684.069369][T10818]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  684.069371][T10818]  ? trace_contention_end (./include/trace/events/lock.h:121 (discriminator 22))
[  684.069373][T10818]  ? __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)
[  684.069375][T10818]  ? __mutex_lock (kernel/locking/mutex.c:656 (discriminator 1) kernel/locking/mutex.c:821 (discriminator 1))
[  684.069377][T10818]  ? rtnl_newlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:366 net/core/rtnetlink.c:4214)
[  684.069380][T10818]  ? ww_mutex_lock (kernel/locking/mutex.c:934)
[  684.069381][T10818]  ? nla_get_range_signed (lib/nlattr.c:270)
[  684.069387][T10818]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  684.069389][T10818]  ? __rtnl_newlink (net/core/rtnetlink.c:4063)
[  684.069394][T10818]  rtnl_newlink (net/core/rtnetlink.c:4215)
[  684.069400][T10818]  ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558)
[  684.069402][T10818]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[  684.069407][T10818]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2))
[  684.069409][T10818]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[  684.069411][T10818]  ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558)
[  684.069413][T10818]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554)
[  684.069417][T10818]  ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558)
[  684.069419][T10818]  rtnetlink_rcv_msg (net/core/rtnetlink.c:7132)
[  684.069422][T10818]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[  684.069424][T10818]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[  684.069428][T10818]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2))
[  684.069430][T10818]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[  684.069434][T10818]  netlink_rcv_skb (net/netlink/af_netlink.c:2556)
[  684.069437][T10818]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[  684.069440][T10818]  ? netlink_ack (./include/linux/skbuff.h:2718)
[  684.069447][T10818]  ? 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))
[  684.069450][T10818]  ? 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))
[  684.069454][T10818]  netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[  684.069458][T10818]  ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[  684.069461][T10818]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[  684.069465][T10818]  netlink_sendmsg (net/netlink/af_netlink.c:1900)
[  684.069469][T10818]  ? netlink_unicast (./include/net/net_namespace.h:422 (discriminator 7))
[  684.069473][T10818]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554)
[  684.069475][T10818]  ? __import_iovec (lib/iov_iter.c:1358 lib/iov_iter.c:1373)
[  684.069480][T10818]  __sock_sendmsg (net/socket.c:800 (discriminator 4) net/socket.c:815 (discriminator 4))
[  684.069483][T10818]  ____sys_sendmsg (net/socket.c:2713)
[  684.069485][T10818]  ? copy_msghdr_from_user (net/socket.c:2650)
[  684.069488][T10818]  ? sock_write_iter (net/socket.c:1269)
[  684.069489][T10818]  ? move_addr_to_kernel (net/socket.c:258)
[  684.069497][T10818]  ___sys_sendmsg (net/socket.c:2767)
[  684.069500][T10818]  ? copy_msghdr_from_user (net/socket.c:2619)
[  684.069516][T10818]  __sys_sendmsg (net/socket.c:2799)
[  684.069519][T10818]  ? __sys_sendmsg_sock (net/socket.c:2780)
[  684.069526][T10818]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  684.069529][T10818]  do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84)
[  684.069532][T10818]  ? exc_page_fault (arch/x86/mm/fault.c:1489 (discriminator 3) arch/x86/mm/fault.c:1536 (discriminator 3))
[  684.069535][T10818]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[  684.069537][T10818] RIP: 0033:0x7f3f9da2754e
[  684.069542][T10818] 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
[  684.069544][T10818] RSP: 002b:00007ffe2e913d00 EFLAGS: 00000202 ORIG_RAX: 000000000000002e
[  684.069547][T10818] RAX: ffffffffffffffda RBX: 0000000000000005 RCX: 00007f3f9da2754e
[  684.069548][T10818] RDX: 0000000000000000 RSI: 00007ffe2e913db0 RDI: 0000000000000005
[  684.069549][T10818] RBP: 00007ffe2e913d10 R08: 0000000000000000 R09: 0000000000000000
[  684.069550][T10818] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a90d8cb
[  684.069551][T10818] R13: 00000000004a1620 R14: 0000000000000000 R15: 00007ffe2e914480
| [  693.566948][T10961] softirqs last disabled at (25948): netif_change_name (./include/linux/spinlock.h:353 ./include/linux/seqlock.h:908 net/core/dev.c:1499)
| [  693.566951][T10961] Preemption disabled at:
| [  693.566952][T10961] vprintk_emit (kernel/printk/printk.c:2471)
| [  693.566960][T10961] Tainted: [W]=WARN
[  693.566961][T10961] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[  693.566963][T10961] Call Trace:
[  693.566965][T10961]  <TASK>
[  693.566966][T10961]  dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120)
[  693.566972][T10961]  ? vprintk_emit (kernel/printk/printk.c:2471)
[  693.566974][T10961]  __might_resched.cold (kernel/sched/core.c:9234)
[  693.566979][T10961]  ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3))
[  693.566983][T10961]  ? __kmalloc_noprof (./include/linux/sched/mm.h:317 mm/slub.c:4636 mm/slub.c:4974 mm/slub.c:5413 mm/slub.c:5439)
[  693.566988][T10961]  __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))
[  693.566989][T10961]  ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[  693.566996][T10961]  ? 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)
[  693.566998][T10961]  alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[  693.567003][T10961]  put_chars (drivers/char/virtio_console.c:1176)
[  693.567005][T10961]  ? __send_to_port (drivers/char/virtio_console.c:654)
[  693.567011][T10961]  hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2))
[  693.567019][T10961]  ? hvc_write (drivers/tty/hvc/hvc_console.c:501)
[  693.567023][T10961]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  693.567027][T10961]  console_emit_next_record (kernel/printk/printk.c:3183)
[  693.567032][T10961]  ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20)
[  693.567034][T10961]  ? 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))
[  693.567037][T10961]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  693.567040][T10961]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  693.567044][T10961]  console_flush_one_record (kernel/printk/printk.c:3268)
[  693.567048][T10961]  ? console_emit_next_record (kernel/printk/printk.c:3150)
[  693.567050][T10961]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[  693.567055][T10961]  console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420)
[  693.567058][T10961]  ? console_flush_one_record (kernel/printk/printk.c:3316)
[  693.567060][T10961]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  693.567062][T10961]  ? 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)
[  693.567066][T10961]  ? __down_trylock_console_sem (kernel/printk/printk.c:334)
[  693.567068][T10961]  ? vprintk_emit (kernel/printk/printk.c:2478)
[  693.567070][T10961]  vprintk_emit (kernel/printk/printk.c:2479)
[  693.567074][T10961]  ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126))
[  693.567076][T10961]  ? _mutex_trylock_nest_lock (kernel/locking/mutex.c:1227 (discriminator 6))
[  693.567081][T10961]  _printk (kernel/printk/printk.c:2504)
[  693.567085][T10961]  ? snapshot_read.cold (user.c:?)
[  693.567087][T10961]  ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4116 (discriminator 3) kernel/rcu/tree.c:4108 (discriminator 3))
[  693.567090][T10961]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380)
[  693.567092][T10961]  ? validate_chain (kernel/locking/lockdep.c:3817 (discriminator 2) kernel/locking/lockdep.c:3837 (discriminator 2) kernel/locking/lockdep.c:3892 (discriminator 2))
[  693.567094][T10961]  ? netdev_name (./include/linux/netdevice.h:5709 (discriminator 1))
[  693.567098][T10961]  ? __netdev_printk (net/core/dev.c:13148 (discriminator 2))
[  693.567101][T10961]  ? do_setlink.isra.0 (net/core/rtnetlink.c:3246)
[  693.567103][T10961]  netdev_info (net/core/dev.c:13195 (discriminator 3))
[  693.567106][T10961]  ? netdev_notice (net/core/dev.c:13194)
[  693.567109][T10961]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[  693.567112][T10961]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554)
[  693.567115][T10961]  ? mark_held_locks (kernel/locking/lockdep.c:4341)
[  693.567118][T10961]  ? do_setlink.isra.0 (net/core/rtnetlink.c:3246)
[  693.567121][T10961]  netif_change_name.cold (net/core/dev.c:1507 (discriminator 3))
[  693.567123][T10961]  ? register_netdev (net/core/dev.c:11618)
[  693.567124][T10961]  ? 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))
[  693.567129][T10961]  ? netdev_adjacent_rename_links (net/core/dev.c:9598)
[  693.567132][T10961]  ? __kernel_text_address (kernel/extable.c:79)
[  693.567134][T10961]  ? write_profile (profile.c:?)
[  693.567138][T10961]  ? __asan_memset (mm/kasan/shadow.c:84 (discriminator 1))
[  693.567144][T10961]  do_setlink.isra.0 (net/core/rtnetlink.c:3246)
[  693.567148][T10961]  ? stack_trace_save (kernel/stacktrace.c:122 (discriminator 1))
[  693.567150][T10961]  ? rtnl_link_get_size (net/core/rtnetlink.c:747)
[  693.567151][T10961]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:388 kernel/rcu/update.c:380)
[  693.567153][T10961]  ? stack_depot_save_flags (lib/stackdepot.c:609 (discriminator 2) lib/stackdepot.c:676 (discriminator 2))
[  693.567157][T10961]  ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4116 (discriminator 3) kernel/rcu/tree.c:4108 (discriminator 3))
[  693.567159][T10961]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380)
[  693.567161][T10961]  ? validate_chain (kernel/locking/lockdep.c:3817 (discriminator 2) kernel/locking/lockdep.c:3837 (discriminator 2) kernel/locking/lockdep.c:3892 (discriminator 2))
[  693.567163][T10961]  ? kasan_save_stack (mm/kasan/common.c:58)
[  693.567165][T10961]  ? kasan_save_stack (mm/kasan/common.c:57)
[  693.567166][T10961]  ? kasan_save_track (mm/kasan/common.c:78)
[  693.567168][T10961]  ? __kasan_kmalloc (mm/kasan/common.c:398 mm/kasan/common.c:415)
[  693.567170][T10961]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[  693.567172][T10961]  ? snd_ac97_proc_read_main (sound/pci/ac97/ac97_proc.c:320)
[  693.567175][T10961]  ? ___sys_sendmsg (net/socket.c:2758)
[  693.567179][T10961]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2))
[  693.567181][T10961]  ? rtnl_newlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:366 net/core/rtnetlink.c:4214)
[  693.567183][T10961]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  693.567185][T10961]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  693.567187][T10961]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  693.567188][T10961]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  693.567190][T10961]  ? trace_contention_end (./include/trace/events/lock.h:121 (discriminator 22))
[  693.567192][T10961]  ? __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)
[  693.567193][T10961]  ? __mutex_lock (kernel/locking/mutex.c:656 (discriminator 1) kernel/locking/mutex.c:821 (discriminator 1))
[  693.567195][T10961]  ? rtnl_newlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:366 net/core/rtnetlink.c:4214)
[  693.567199][T10961]  ? ww_mutex_lock (kernel/locking/mutex.c:934)
[  693.567200][T10961]  ? nla_get_range_signed (lib/nlattr.c:270)
[  693.567205][T10961]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  693.567207][T10961]  ? __rtnl_newlink (net/core/rtnetlink.c:4063)
[  693.567213][T10961]  rtnl_newlink (net/core/rtnetlink.c:4215)
[  693.567218][T10961]  ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558)
[  693.567220][T10961]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[  693.567225][T10961]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2))
[  693.567227][T10961]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[  693.567229][T10961]  ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558)
[  693.567231][T10961]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554)
[  693.567235][T10961]  ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558)
[  693.567237][T10961]  rtnetlink_rcv_msg (net/core/rtnetlink.c:7132)
[  693.567240][T10961]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[  693.567241][T10961]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[  693.567246][T10961]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2))
[  693.567251][T10961]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[  693.567254][T10961]  netlink_rcv_skb (net/netlink/af_netlink.c:2556)
[  693.567258][T10961]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[  693.567261][T10961]  ? netlink_ack (./include/linux/skbuff.h:2718)
[  693.567267][T10961]  ? 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))
[  693.567269][T10961]  ? 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))
[  693.567274][T10961]  netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[  693.567278][T10961]  ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[  693.567280][T10961]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[  693.567285][T10961]  netlink_sendmsg (net/netlink/af_netlink.c:1900)
[  693.567288][T10961]  ? netlink_unicast (./include/net/net_namespace.h:422 (discriminator 7))
[  693.567292][T10961]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554)
[  693.567294][T10961]  ? __import_iovec (lib/iov_iter.c:1358 lib/iov_iter.c:1373)
[  693.567299][T10961]  __sock_sendmsg (net/socket.c:800 (discriminator 4) net/socket.c:815 (discriminator 4))
[  693.567302][T10961]  ____sys_sendmsg (net/socket.c:2713)
[  693.567305][T10961]  ? copy_msghdr_from_user (net/socket.c:2650)
[  693.567307][T10961]  ? sock_write_iter (net/socket.c:1269)
[  693.567308][T10961]  ? move_addr_to_kernel (net/socket.c:258)
[  693.567316][T10961]  ___sys_sendmsg (net/socket.c:2767)
[  693.567318][T10961]  ? copy_msghdr_from_user (net/socket.c:2619)
[  693.567334][T10961]  __sys_sendmsg (net/socket.c:2799)
[  693.567337][T10961]  ? __sys_sendmsg_sock (net/socket.c:2780)
[  693.567343][T10961]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  693.567346][T10961]  do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84)
[  693.567349][T10961]  ? exc_page_fault (arch/x86/mm/fault.c:1489 (discriminator 3) arch/x86/mm/fault.c:1536 (discriminator 3))
[  693.567352][T10961]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[  693.567354][T10961] RIP: 0033:0x7f7a7a7c154e
[  693.567358][T10961] 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
[  693.567360][T10961] RSP: 002b:00007ffed9234330 EFLAGS: 00000202 ORIG_RAX: 000000000000002e
[  693.567368][T10961] RAX: ffffffffffffffda RBX: 0000000000000005 RCX: 00007f7a7a7c154e
[  693.567369][T10961] RDX: 0000000000000000 RSI: 00007ffed92343e0 RDI: 0000000000000005
[  693.567370][T10961] RBP: 00007ffed9234340 R08: 0000000000000000 R09: 0000000000000000
[  693.567371][T10961] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a90d8d4
[  693.567372][T10961] R13: 00000000004a1620 R14: 0000000000000000 R15: 00007ffed9234ab0
| [  702.897210][T11104] softirqs last disabled at (25522): netif_change_name (./include/linux/spinlock.h:353 ./include/linux/seqlock.h:908 net/core/dev.c:1499)
| [  702.897214][T11104] Preemption disabled at:
| [  702.897215][T11104] vprintk_emit (kernel/printk/printk.c:2471)
| [  702.897226][T11104] Tainted: [W]=WARN
[  702.897228][T11104] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[  702.897230][T11104] Call Trace:
[  702.897232][T11104]  <TASK>
[  702.897234][T11104]  dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120)
[  702.897242][T11104]  ? vprintk_emit (kernel/printk/printk.c:2471)
[  702.897244][T11104]  __might_resched.cold (kernel/sched/core.c:9234)
[  702.897255][T11104]  ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3))
[  702.897262][T11104]  ? __kmalloc_noprof (./include/linux/sched/mm.h:317 mm/slub.c:4636 mm/slub.c:4974 mm/slub.c:5413 mm/slub.c:5439)
[  702.897268][T11104]  __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))
[  702.897272][T11104]  ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[  702.897281][T11104]  ? 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)
[  702.897285][T11104]  alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[  702.897291][T11104]  put_chars (drivers/char/virtio_console.c:1176)
[  702.897295][T11104]  ? __send_to_port (drivers/char/virtio_console.c:654)
[  702.897306][T11104]  hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2))
[  702.897318][T11104]  ? hvc_write (drivers/tty/hvc/hvc_console.c:501)
[  702.897323][T11104]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  702.897330][T11104]  console_emit_next_record (kernel/printk/printk.c:3183)
[  702.897337][T11104]  ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20)
[  702.897339][T11104]  ? 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))
[  702.897345][T11104]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  702.897349][T11104]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  702.897356][T11104]  console_flush_one_record (kernel/printk/printk.c:3268)
[  702.897363][T11104]  ? console_emit_next_record (kernel/printk/printk.c:3150)
[  702.897366][T11104]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[  702.897375][T11104]  console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420)
[  702.897380][T11104]  ? console_flush_one_record (kernel/printk/printk.c:3316)
[  702.897383][T11104]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  702.897386][T11104]  ? 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)
[  702.897392][T11104]  ? __down_trylock_console_sem (kernel/printk/printk.c:334)
[  702.897395][T11104]  ? vprintk_emit (kernel/printk/printk.c:2478)
[  702.897399][T11104]  vprintk_emit (kernel/printk/printk.c:2479)
[  702.897405][T11104]  ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126))
[  702.897410][T11104]  ? _mutex_trylock_nest_lock (kernel/locking/mutex.c:1227 (discriminator 6))
[  702.897418][T11104]  _printk (kernel/printk/printk.c:2504)
[  702.897423][T11104]  ? snapshot_read.cold (user.c:?)
[  702.897425][T11104]  ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4116 (discriminator 3) kernel/rcu/tree.c:4108 (discriminator 3))
[  702.897430][T11104]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380)
[  702.897434][T11104]  ? validate_chain (kernel/locking/lockdep.c:3817 (discriminator 2) kernel/locking/lockdep.c:3837 (discriminator 2) kernel/locking/lockdep.c:3892 (discriminator 2))
[  702.897438][T11104]  ? netdev_name (./include/linux/netdevice.h:5709 (discriminator 1))
[  702.897443][T11104]  ? __netdev_printk (net/core/dev.c:13148 (discriminator 2))
[  702.897453][T11104]  ? do_setlink.isra.0 (net/core/rtnetlink.c:3246)
[  702.897456][T11104]  netdev_info (net/core/dev.c:13195 (discriminator 3))
[  702.897460][T11104]  ? netdev_notice (net/core/dev.c:13194)
[  702.897465][T11104]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[  702.897471][T11104]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554)
[  702.897475][T11104]  ? mark_held_locks (kernel/locking/lockdep.c:4341)
[  702.897481][T11104]  ? do_setlink.isra.0 (net/core/rtnetlink.c:3246)
[  702.897485][T11104]  netif_change_name.cold (net/core/dev.c:1507 (discriminator 3))
[  702.897488][T11104]  ? register_netdev (net/core/dev.c:11618)
[  702.897491][T11104]  ? 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))
[  702.897499][T11104]  ? netdev_adjacent_rename_links (net/core/dev.c:9598)
[  702.897503][T11104]  ? __kernel_text_address (kernel/extable.c:79)
[  702.897507][T11104]  ? write_profile (profile.c:?)
[  702.897513][T11104]  ? __asan_memset (mm/kasan/shadow.c:84 (discriminator 1))
[  702.897522][T11104]  do_setlink.isra.0 (net/core/rtnetlink.c:3246)
[  702.897529][T11104]  ? stack_trace_save (kernel/stacktrace.c:122 (discriminator 1))
[  702.897532][T11104]  ? rtnl_link_get_size (net/core/rtnetlink.c:747)
[  702.897534][T11104]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:388 kernel/rcu/update.c:380)
[  702.897537][T11104]  ? stack_depot_save_flags (lib/stackdepot.c:609 (discriminator 2) lib/stackdepot.c:676 (discriminator 2))
[  702.897542][T11104]  ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4116 (discriminator 3) kernel/rcu/tree.c:4108 (discriminator 3))
[  702.897545][T11104]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380)
[  702.897549][T11104]  ? validate_chain (kernel/locking/lockdep.c:3817 (discriminator 2) kernel/locking/lockdep.c:3837 (discriminator 2) kernel/locking/lockdep.c:3892 (discriminator 2))
[  702.897552][T11104]  ? kasan_save_stack (mm/kasan/common.c:58)
[  702.897555][T11104]  ? kasan_save_stack (mm/kasan/common.c:57)
[  702.897557][T11104]  ? kasan_save_track (mm/kasan/common.c:78)
[  702.897559][T11104]  ? __kasan_kmalloc (mm/kasan/common.c:398 mm/kasan/common.c:415)
[  702.897562][T11104]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[  702.897565][T11104]  ? snd_ac97_proc_read_main (sound/pci/ac97/ac97_proc.c:320)
[  702.897568][T11104]  ? ___sys_sendmsg (net/socket.c:2758)
[  702.897574][T11104]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2))
[  702.897577][T11104]  ? rtnl_newlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:366 net/core/rtnetlink.c:4214)
[  702.897581][T11104]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  702.897583][T11104]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  702.897586][T11104]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  702.897587][T11104]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  702.897590][T11104]  ? trace_contention_end (./include/trace/events/lock.h:121 (discriminator 22))
[  702.897593][T11104]  ? __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)
[  702.897595][T11104]  ? __mutex_lock (kernel/locking/mutex.c:656 (discriminator 1) kernel/locking/mutex.c:821 (discriminator 1))
[  702.897598][T11104]  ? rtnl_newlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:366 net/core/rtnetlink.c:4214)
[  702.897603][T11104]  ? ww_mutex_lock (kernel/locking/mutex.c:934)
[  702.897605][T11104]  ? nla_get_range_signed (lib/nlattr.c:270)
[  702.897612][T11104]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  702.897615][T11104]  ? __rtnl_newlink (net/core/rtnetlink.c:4063)
[  702.897623][T11104]  rtnl_newlink (net/core/rtnetlink.c:4215)
[  702.897632][T11104]  ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558)
[  702.897634][T11104]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[  702.897641][T11104]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2))
[  702.897644][T11104]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[  702.897647][T11104]  ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558)
[  702.897650][T11104]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554)
[  702.897655][T11104]  ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558)
[  702.897658][T11104]  rtnetlink_rcv_msg (net/core/rtnetlink.c:7132)
[  702.897663][T11104]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[  702.897665][T11104]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[  702.897672][T11104]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2))
[  702.897675][T11104]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[  702.897680][T11104]  netlink_rcv_skb (net/netlink/af_netlink.c:2556)
[  702.897684][T11104]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[  702.897689][T11104]  ? netlink_ack (./include/linux/skbuff.h:2718)
[  702.897699][T11104]  ? 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))
[  702.897702][T11104]  ? 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))
[  702.897708][T11104]  netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[  702.897714][T11104]  ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[  702.897718][T11104]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[  702.897724][T11104]  netlink_sendmsg (net/netlink/af_netlink.c:1900)
[  702.897730][T11104]  ? netlink_unicast (./include/net/net_namespace.h:422 (discriminator 7))
[  702.897736][T11104]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554)
[  702.897738][T11104]  ? __import_iovec (lib/iov_iter.c:1358 lib/iov_iter.c:1373)
[  702.897745][T11104]  __sock_sendmsg (net/socket.c:800 (discriminator 4) net/socket.c:815 (discriminator 4))
[  702.897750][T11104]  ____sys_sendmsg (net/socket.c:2713)
[  702.897753][T11104]  ? copy_msghdr_from_user (net/socket.c:2650)
[  702.897757][T11104]  ? sock_write_iter (net/socket.c:1269)
[  702.897760][T11104]  ? move_addr_to_kernel (net/socket.c:258)
[  702.897773][T11104]  ___sys_sendmsg (net/socket.c:2767)
[  702.897779][T11104]  ? copy_msghdr_from_user (net/socket.c:2619)
[  702.897809][T11104]  __sys_sendmsg (net/socket.c:2799)
[  702.897813][T11104]  ? __sys_sendmsg_sock (net/socket.c:2780)
[  702.897825][T11104]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  702.897830][T11104]  do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84)
[  702.897835][T11104]  ? exc_page_fault (arch/x86/mm/fault.c:1489 (discriminator 3) arch/x86/mm/fault.c:1536 (discriminator 3))
[  702.897839][T11104]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[  702.897843][T11104] RIP: 0033:0x7f74ddc0054e
[  702.897848][T11104] 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
[  702.897851][T11104] RSP: 002b:00007ffed2db60c0 EFLAGS: 00000202 ORIG_RAX: 000000000000002e
[  702.897855][T11104] RAX: ffffffffffffffda RBX: 0000000000000005 RCX: 00007f74ddc0054e
[  702.897857][T11104] RDX: 0000000000000000 RSI: 00007ffed2db6170 RDI: 0000000000000005
[  702.897859][T11104] RBP: 00007ffed2db60d0 R08: 0000000000000000 R09: 0000000000000000
[  702.897860][T11104] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a90d8de
[  702.897862][T11104] R13: 00000000004a1620 R14: 0000000000000000 R15: 00007ffed2db6840
| [  712.435088][T11247] softirqs last disabled at (22198): netif_change_name (./include/linux/spinlock.h:353 ./include/linux/seqlock.h:908 net/core/dev.c:1499)
| [  712.435091][T11247] Preemption disabled at:
| [  712.435092][T11247] vprintk_emit (kernel/printk/printk.c:2471)
| [  712.435101][T11247] Tainted: [W]=WARN
[  712.435102][T11247] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[  712.435104][T11247] Call Trace:
[  712.435105][T11247]  <TASK>
[  712.435107][T11247]  dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120)
[  712.435113][T11247]  ? vprintk_emit (kernel/printk/printk.c:2471)
[  712.435114][T11247]  __might_resched.cold (kernel/sched/core.c:9234)
[  712.435119][T11247]  ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3))
[  712.435124][T11247]  ? __kmalloc_noprof (./include/linux/sched/mm.h:317 mm/slub.c:4636 mm/slub.c:4974 mm/slub.c:5413 mm/slub.c:5439)
[  712.435129][T11247]  __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))
[  712.435131][T11247]  ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[  712.435138][T11247]  ? 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)
[  712.435141][T11247]  alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[  712.435145][T11247]  put_chars (drivers/char/virtio_console.c:1176)
[  712.435147][T11247]  ? __send_to_port (drivers/char/virtio_console.c:654)
[  712.435154][T11247]  hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2))
[  712.435162][T11247]  ? hvc_write (drivers/tty/hvc/hvc_console.c:501)
[  712.435165][T11247]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  712.435170][T11247]  console_emit_next_record (kernel/printk/printk.c:3183)
[  712.435174][T11247]  ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20)
[  712.435176][T11247]  ? 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))
[  712.435180][T11247]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  712.435183][T11247]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  712.435187][T11247]  console_flush_one_record (kernel/printk/printk.c:3268)
[  712.435191][T11247]  ? console_emit_next_record (kernel/printk/printk.c:3150)
[  712.435193][T11247]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[  712.435199][T11247]  console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420)
[  712.435202][T11247]  ? console_flush_one_record (kernel/printk/printk.c:3316)
[  712.435204][T11247]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  712.435205][T11247]  ? 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)
[  712.435209][T11247]  ? __down_trylock_console_sem (kernel/printk/printk.c:334)
[  712.435211][T11247]  ? vprintk_emit (kernel/printk/printk.c:2478)
[  712.435214][T11247]  vprintk_emit (kernel/printk/printk.c:2479)
[  712.435217][T11247]  ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126))
[  712.435220][T11247]  ? _mutex_trylock_nest_lock (kernel/locking/mutex.c:1227 (discriminator 6))
[  712.435225][T11247]  _printk (kernel/printk/printk.c:2504)
[  712.435229][T11247]  ? snapshot_read.cold (user.c:?)
[  712.435231][T11247]  ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4116 (discriminator 3) kernel/rcu/tree.c:4108 (discriminator 3))
[  712.435234][T11247]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380)
[  712.435236][T11247]  ? validate_chain (kernel/locking/lockdep.c:3817 (discriminator 2) kernel/locking/lockdep.c:3837 (discriminator 2) kernel/locking/lockdep.c:3892 (discriminator 2))
[  712.435239][T11247]  ? netdev_name (./include/linux/netdevice.h:5709 (discriminator 1))
[  712.435243][T11247]  ? __netdev_printk (net/core/dev.c:13148 (discriminator 2))
[  712.435246][T11247]  ? do_setlink.isra.0 (net/core/rtnetlink.c:3246)
[  712.435251][T11247]  netdev_info (net/core/dev.c:13195 (discriminator 3))
[  712.435254][T11247]  ? netdev_notice (net/core/dev.c:13194)
[  712.435257][T11247]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[  712.435260][T11247]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554)
[  712.435263][T11247]  ? mark_held_locks (kernel/locking/lockdep.c:4341)
[  712.435267][T11247]  ? do_setlink.isra.0 (net/core/rtnetlink.c:3246)
[  712.435269][T11247]  netif_change_name.cold (net/core/dev.c:1507 (discriminator 3))
[  712.435271][T11247]  ? register_netdev (net/core/dev.c:11618)
[  712.435273][T11247]  ? 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))
[  712.435278][T11247]  ? netdev_adjacent_rename_links (net/core/dev.c:9598)
[  712.435281][T11247]  ? __kernel_text_address (kernel/extable.c:79)
[  712.435284][T11247]  ? write_profile (profile.c:?)
[  712.435288][T11247]  ? __asan_memset (mm/kasan/shadow.c:84 (discriminator 1))
[  712.435294][T11247]  do_setlink.isra.0 (net/core/rtnetlink.c:3246)
[  712.435298][T11247]  ? stack_trace_save (kernel/stacktrace.c:122 (discriminator 1))
[  712.435301][T11247]  ? rtnl_link_get_size (net/core/rtnetlink.c:747)
[  712.435302][T11247]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:388 kernel/rcu/update.c:380)
[  712.435304][T11247]  ? stack_depot_save_flags (lib/stackdepot.c:609 (discriminator 2) lib/stackdepot.c:676 (discriminator 2))
[  712.435308][T11247]  ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4116 (discriminator 3) kernel/rcu/tree.c:4108 (discriminator 3))
[  712.435310][T11247]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380)
[  712.435312][T11247]  ? validate_chain (kernel/locking/lockdep.c:3817 (discriminator 2) kernel/locking/lockdep.c:3837 (discriminator 2) kernel/locking/lockdep.c:3892 (discriminator 2))
[  712.435314][T11247]  ? kasan_save_stack (mm/kasan/common.c:58)
[  712.435316][T11247]  ? kasan_save_stack (mm/kasan/common.c:57)
[  712.435318][T11247]  ? kasan_save_track (mm/kasan/common.c:78)
[  712.435319][T11247]  ? __kasan_kmalloc (mm/kasan/common.c:398 mm/kasan/common.c:415)
[  712.435321][T11247]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[  712.435323][T11247]  ? snd_ac97_proc_read_main (sound/pci/ac97/ac97_proc.c:320)
[  712.435326][T11247]  ? ___sys_sendmsg (net/socket.c:2758)
[  712.435330][T11247]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2))
[  712.435332][T11247]  ? rtnl_newlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:366 net/core/rtnetlink.c:4214)
[  712.435335][T11247]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  712.435337][T11247]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  712.435338][T11247]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  712.435340][T11247]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  712.435341][T11247]  ? trace_contention_end (./include/trace/events/lock.h:121 (discriminator 22))
[  712.435344][T11247]  ? __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)
[  712.435345][T11247]  ? __mutex_lock (kernel/locking/mutex.c:656 (discriminator 1) kernel/locking/mutex.c:821 (discriminator 1))
[  712.435347][T11247]  ? rtnl_newlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:366 net/core/rtnetlink.c:4214)
[  712.435351][T11247]  ? ww_mutex_lock (kernel/locking/mutex.c:934)
[  712.435352][T11247]  ? nla_get_range_signed (lib/nlattr.c:270)
[  712.435357][T11247]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  712.435359][T11247]  ? __rtnl_newlink (net/core/rtnetlink.c:4063)
[  712.435365][T11247]  rtnl_newlink (net/core/rtnetlink.c:4215)
[  712.435370][T11247]  ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558)
[  712.435372][T11247]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[  712.435377][T11247]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2))
[  712.435379][T11247]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[  712.435381][T11247]  ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558)
[  712.435383][T11247]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554)
[  712.435387][T11247]  ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558)
[  712.435389][T11247]  rtnetlink_rcv_msg (net/core/rtnetlink.c:7132)
[  712.435392][T11247]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[  712.435394][T11247]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[  712.435398][T11247]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2))
[  712.435400][T11247]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[  712.435404][T11247]  netlink_rcv_skb (net/netlink/af_netlink.c:2556)
[  712.435407][T11247]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[  712.435410][T11247]  ? netlink_ack (./include/linux/skbuff.h:2718)
[  712.435417][T11247]  ? 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))
[  712.435419][T11247]  ? 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))
[  712.435424][T11247]  netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[  712.435428][T11247]  ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[  712.435430][T11247]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[  712.435435][T11247]  netlink_sendmsg (net/netlink/af_netlink.c:1900)
[  712.435439][T11247]  ? netlink_unicast (./include/net/net_namespace.h:422 (discriminator 7))
[  712.435443][T11247]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554)
[  712.435445][T11247]  ? __import_iovec (lib/iov_iter.c:1358 lib/iov_iter.c:1373)
[  712.435450][T11247]  __sock_sendmsg (net/socket.c:800 (discriminator 4) net/socket.c:815 (discriminator 4))
[  712.435453][T11247]  ____sys_sendmsg (net/socket.c:2713)
[  712.435456][T11247]  ? copy_msghdr_from_user (net/socket.c:2650)
[  712.435458][T11247]  ? sock_write_iter (net/socket.c:1269)
[  712.435460][T11247]  ? move_addr_to_kernel (net/socket.c:258)
[  712.435467][T11247]  ___sys_sendmsg (net/socket.c:2767)
[  712.435470][T11247]  ? copy_msghdr_from_user (net/socket.c:2619)
[  712.435487][T11247]  __sys_sendmsg (net/socket.c:2799)
[  712.435489][T11247]  ? __sys_sendmsg_sock (net/socket.c:2780)
[  712.435496][T11247]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  712.435499][T11247]  do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84)
[  712.435502][T11247]  ? exc_page_fault (arch/x86/mm/fault.c:1489 (discriminator 3) arch/x86/mm/fault.c:1536 (discriminator 3))
[  712.435505][T11247]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[  712.435508][T11247] RIP: 0033:0x7f885026754e
[  712.435512][T11247] 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
[  712.435514][T11247] RSP: 002b:00007ffc2e263cb0 EFLAGS: 00000202 ORIG_RAX: 000000000000002e
[  712.435517][T11247] RAX: ffffffffffffffda RBX: 0000000000000005 RCX: 00007f885026754e
[  712.435519][T11247] RDX: 0000000000000000 RSI: 00007ffc2e263d60 RDI: 0000000000000005
[  712.435519][T11247] RBP: 00007ffc2e263cc0 R08: 0000000000000000 R09: 0000000000000000
[  712.435520][T11247] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a90d8e7
[  712.435521][T11247] R13: 00000000004a1620 R14: 0000000000000000 R15: 00007ffc2e264430
| [  722.430180][T11390] softirqs last disabled at (21846): netif_change_name (./include/linux/spinlock.h:353 ./include/linux/seqlock.h:908 net/core/dev.c:1499)
| [  722.430183][T11390] Preemption disabled at:
| [  722.430184][T11390] vprintk_emit (kernel/printk/printk.c:2471)
| [  722.430193][T11390] Tainted: [W]=WARN
[  722.430194][T11390] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[  722.430196][T11390] Call Trace:
[  722.430198][T11390]  <TASK>
[  722.430199][T11390]  dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120)
[  722.430205][T11390]  ? vprintk_emit (kernel/printk/printk.c:2471)
[  722.430207][T11390]  __might_resched.cold (kernel/sched/core.c:9234)
[  722.430211][T11390]  ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3))
[  722.430216][T11390]  ? __kmalloc_noprof (./include/linux/sched/mm.h:317 mm/slub.c:4636 mm/slub.c:4974 mm/slub.c:5413 mm/slub.c:5439)
[  722.430220][T11390]  __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))
[  722.430222][T11390]  ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[  722.430228][T11390]  ? 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)
[  722.430231][T11390]  alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[  722.430235][T11390]  put_chars (drivers/char/virtio_console.c:1176)
[  722.430237][T11390]  ? __send_to_port (drivers/char/virtio_console.c:654)
[  722.430244][T11390]  hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2))
[  722.430254][T11390]  ? hvc_write (drivers/tty/hvc/hvc_console.c:501)
[  722.430257][T11390]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  722.430262][T11390]  console_emit_next_record (kernel/printk/printk.c:3183)
[  722.430266][T11390]  ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20)
[  722.430268][T11390]  ? 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))
[  722.430271][T11390]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  722.430274][T11390]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  722.430278][T11390]  console_flush_one_record (kernel/printk/printk.c:3268)
[  722.430283][T11390]  ? console_emit_next_record (kernel/printk/printk.c:3150)
[  722.430284][T11390]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[  722.430290][T11390]  console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420)
[  722.430293][T11390]  ? console_flush_one_record (kernel/printk/printk.c:3316)
[  722.430295][T11390]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  722.430297][T11390]  ? 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)
[  722.430301][T11390]  ? __down_trylock_console_sem (kernel/printk/printk.c:334)
[  722.430302][T11390]  ? vprintk_emit (kernel/printk/printk.c:2478)
[  722.430305][T11390]  vprintk_emit (kernel/printk/printk.c:2479)
[  722.430308][T11390]  ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126))
[  722.430311][T11390]  ? _mutex_trylock_nest_lock (kernel/locking/mutex.c:1227 (discriminator 6))
[  722.430317][T11390]  _printk (kernel/printk/printk.c:2504)
[  722.430320][T11390]  ? snapshot_read.cold (user.c:?)
[  722.430322][T11390]  ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4116 (discriminator 3) kernel/rcu/tree.c:4108 (discriminator 3))
[  722.430325][T11390]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380)
[  722.430328][T11390]  ? validate_chain (kernel/locking/lockdep.c:3817 (discriminator 2) kernel/locking/lockdep.c:3837 (discriminator 2) kernel/locking/lockdep.c:3892 (discriminator 2))
[  722.430330][T11390]  ? netdev_name (./include/linux/netdevice.h:5709 (discriminator 1))
[  722.430334][T11390]  ? __netdev_printk (net/core/dev.c:13148 (discriminator 2))
[  722.430337][T11390]  ? do_setlink.isra.0 (net/core/rtnetlink.c:3246)
[  722.430339][T11390]  netdev_info (net/core/dev.c:13195 (discriminator 3))
[  722.430342][T11390]  ? netdev_notice (net/core/dev.c:13194)
[  722.430345][T11390]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[  722.430348][T11390]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554)
[  722.430351][T11390]  ? mark_held_locks (kernel/locking/lockdep.c:4341)
[  722.430354][T11390]  ? do_setlink.isra.0 (net/core/rtnetlink.c:3246)
[  722.430357][T11390]  netif_change_name.cold (net/core/dev.c:1507 (discriminator 3))
[  722.430359][T11390]  ? register_netdev (net/core/dev.c:11618)
[  722.430360][T11390]  ? 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))
[  722.430366][T11390]  ? netdev_adjacent_rename_links (net/core/dev.c:9598)
[  722.430368][T11390]  ? __kernel_text_address (kernel/extable.c:79)
[  722.430371][T11390]  ? write_profile (profile.c:?)
[  722.430375][T11390]  ? __asan_memset (mm/kasan/shadow.c:84 (discriminator 1))
[  722.430381][T11390]  do_setlink.isra.0 (net/core/rtnetlink.c:3246)
[  722.430384][T11390]  ? stack_trace_save (kernel/stacktrace.c:122 (discriminator 1))
[  722.430387][T11390]  ? rtnl_link_get_size (net/core/rtnetlink.c:747)
[  722.430388][T11390]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:388 kernel/rcu/update.c:380)
[  722.430390][T11390]  ? stack_depot_save_flags (lib/stackdepot.c:609 (discriminator 2) lib/stackdepot.c:676 (discriminator 2))
[  722.430394][T11390]  ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4116 (discriminator 3) kernel/rcu/tree.c:4108 (discriminator 3))
[  722.430396][T11390]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380)
[  722.430398][T11390]  ? validate_chain (kernel/locking/lockdep.c:3817 (discriminator 2) kernel/locking/lockdep.c:3837 (discriminator 2) kernel/locking/lockdep.c:3892 (discriminator 2))
[  722.430400][T11390]  ? kasan_save_stack (mm/kasan/common.c:58)
[  722.430402][T11390]  ? kasan_save_stack (mm/kasan/common.c:57)
[  722.430403][T11390]  ? kasan_save_track (mm/kasan/common.c:78)
[  722.430404][T11390]  ? __kasan_kmalloc (mm/kasan/common.c:398 mm/kasan/common.c:415)
[  722.430407][T11390]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[  722.430409][T11390]  ? snd_ac97_proc_read_main (sound/pci/ac97/ac97_proc.c:320)
[  722.430412][T11390]  ? ___sys_sendmsg (net/socket.c:2758)
[  722.430416][T11390]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2))
[  722.430418][T11390]  ? rtnl_newlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:366 net/core/rtnetlink.c:4214)
[  722.430420][T11390]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  722.430422][T11390]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  722.430424][T11390]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  722.430425][T11390]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  722.430427][T11390]  ? trace_contention_end (./include/trace/events/lock.h:121 (discriminator 22))
[  722.430429][T11390]  ? __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)
[  722.430430][T11390]  ? __mutex_lock (kernel/locking/mutex.c:656 (discriminator 1) kernel/locking/mutex.c:821 (discriminator 1))
[  722.430432][T11390]  ? rtnl_newlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:366 net/core/rtnetlink.c:4214)
[  722.430436][T11390]  ? ww_mutex_lock (kernel/locking/mutex.c:934)
[  722.430437][T11390]  ? nla_get_range_signed (lib/nlattr.c:270)
[  722.430442][T11390]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  722.430444][T11390]  ? __rtnl_newlink (net/core/rtnetlink.c:4063)
[  722.430450][T11390]  rtnl_newlink (net/core/rtnetlink.c:4215)
[  722.430455][T11390]  ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558)
[  722.430457][T11390]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[  722.430462][T11390]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2))
[  722.430464][T11390]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[  722.430466][T11390]  ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558)
[  722.430467][T11390]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554)
[  722.430471][T11390]  ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558)
[  722.430473][T11390]  rtnetlink_rcv_msg (net/core/rtnetlink.c:7132)
[  722.430477][T11390]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[  722.430478][T11390]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[  722.430483][T11390]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2))
[  722.430485][T11390]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[  722.430488][T11390]  netlink_rcv_skb (net/netlink/af_netlink.c:2556)
[  722.430492][T11390]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[  722.430495][T11390]  ? netlink_ack (./include/linux/skbuff.h:2718)
[  722.430501][T11390]  ? 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))
[  722.430503][T11390]  ? 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))
[  722.430508][T11390]  netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[  722.430512][T11390]  ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[  722.430515][T11390]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[  722.430519][T11390]  netlink_sendmsg (net/netlink/af_netlink.c:1900)
[  722.430523][T11390]  ? netlink_unicast (./include/net/net_namespace.h:422 (discriminator 7))
[  722.430527][T11390]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554)
[  722.430529][T11390]  ? __import_iovec (lib/iov_iter.c:1358 lib/iov_iter.c:1373)
[  722.430535][T11390]  __sock_sendmsg (net/socket.c:800 (discriminator 4) net/socket.c:815 (discriminator 4))
[  722.430537][T11390]  ____sys_sendmsg (net/socket.c:2713)
[  722.430540][T11390]  ? copy_msghdr_from_user (net/socket.c:2650)
[  722.430542][T11390]  ? sock_write_iter (net/socket.c:1269)
[  722.430544][T11390]  ? move_addr_to_kernel (net/socket.c:258)
[  722.430551][T11390]  ___sys_sendmsg (net/socket.c:2767)
[  722.430554][T11390]  ? copy_msghdr_from_user (net/socket.c:2619)
[  722.430571][T11390]  __sys_sendmsg (net/socket.c:2799)
[  722.430573][T11390]  ? __sys_sendmsg_sock (net/socket.c:2780)
[  722.430580][T11390]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  722.430583][T11390]  do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84)
[  722.430586][T11390]  ? exc_page_fault (arch/x86/mm/fault.c:1489 (discriminator 3) arch/x86/mm/fault.c:1536 (discriminator 3))
[  722.430589][T11390]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[  722.430592][T11390] RIP: 0033:0x7f2b37e8454e
[  722.430596][T11390] 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
[  722.430598][T11390] RSP: 002b:00007ffd85530080 EFLAGS: 00000202 ORIG_RAX: 000000000000002e
[  722.430601][T11390] RAX: ffffffffffffffda RBX: 0000000000000005 RCX: 00007f2b37e8454e
[  722.430602][T11390] RDX: 0000000000000000 RSI: 00007ffd85530130 RDI: 0000000000000005
[  722.430603][T11390] RBP: 00007ffd85530090 R08: 0000000000000000 R09: 0000000000000000
[  722.430604][T11390] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a90d8f1
[  722.430605][T11390] R13: 00000000004a1620 R14: 0000000000000000 R15: 00007ffd85530800
| [  731.693865][T11533] softirqs last disabled at (18668): netif_change_name (./include/linux/spinlock.h:353 ./include/linux/seqlock.h:908 net/core/dev.c:1499)
| [  731.693867][T11533] Preemption disabled at:
| [  731.693868][T11533] vprintk_emit (kernel/printk/printk.c:2471)
| [  731.693876][T11533] Tainted: [W]=WARN
[  731.693877][T11533] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[  731.693879][T11533] Call Trace:
[  731.693881][T11533]  <TASK>
[  731.693883][T11533]  dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120)
[  731.693888][T11533]  ? vprintk_emit (kernel/printk/printk.c:2471)
[  731.693890][T11533]  __might_resched.cold (kernel/sched/core.c:9234)
[  731.693895][T11533]  ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3))
[  731.693900][T11533]  ? __kmalloc_noprof (./include/linux/sched/mm.h:317 mm/slub.c:4636 mm/slub.c:4974 mm/slub.c:5413 mm/slub.c:5439)
[  731.693904][T11533]  __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))
[  731.693906][T11533]  ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[  731.693913][T11533]  ? 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)
[  731.693916][T11533]  alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[  731.693920][T11533]  put_chars (drivers/char/virtio_console.c:1176)
[  731.693922][T11533]  ? __send_to_port (drivers/char/virtio_console.c:654)
[  731.693929][T11533]  hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2))
[  731.693937][T11533]  ? hvc_write (drivers/tty/hvc/hvc_console.c:501)
[  731.693940][T11533]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  731.693945][T11533]  console_emit_next_record (kernel/printk/printk.c:3183)
[  731.693949][T11533]  ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20)
[  731.693951][T11533]  ? 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))
[  731.693955][T11533]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  731.693958][T11533]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  731.693962][T11533]  console_flush_one_record (kernel/printk/printk.c:3268)
[  731.693966][T11533]  ? console_emit_next_record (kernel/printk/printk.c:3150)
[  731.693968][T11533]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[  731.693974][T11533]  console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420)
[  731.693977][T11533]  ? console_flush_one_record (kernel/printk/printk.c:3316)
[  731.693979][T11533]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  731.693981][T11533]  ? 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)
[  731.693985][T11533]  ? __down_trylock_console_sem (kernel/printk/printk.c:334)
[  731.693987][T11533]  ? vprintk_emit (kernel/printk/printk.c:2478)
[  731.693990][T11533]  vprintk_emit (kernel/printk/printk.c:2479)
[  731.693993][T11533]  ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126))
[  731.693996][T11533]  ? _mutex_trylock_nest_lock (kernel/locking/mutex.c:1227 (discriminator 6))
[  731.694002][T11533]  _printk (kernel/printk/printk.c:2504)
[  731.694005][T11533]  ? snapshot_read.cold (user.c:?)
[  731.694007][T11533]  ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4116 (discriminator 3) kernel/rcu/tree.c:4108 (discriminator 3))
[  731.694010][T11533]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380)
[  731.694013][T11533]  ? validate_chain (kernel/locking/lockdep.c:3817 (discriminator 2) kernel/locking/lockdep.c:3837 (discriminator 2) kernel/locking/lockdep.c:3892 (discriminator 2))
[  731.694015][T11533]  ? netdev_name (./include/linux/netdevice.h:5709 (discriminator 1))
[  731.694019][T11533]  ? __netdev_printk (net/core/dev.c:13148 (discriminator 2))
[  731.694022][T11533]  ? do_setlink.isra.0 (net/core/rtnetlink.c:3246)
[  731.694024][T11533]  netdev_info (net/core/dev.c:13195 (discriminator 3))
[  731.694028][T11533]  ? netdev_notice (net/core/dev.c:13194)
[  731.694031][T11533]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[  731.694034][T11533]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554)
[  731.694037][T11533]  ? mark_held_locks (kernel/locking/lockdep.c:4341)
[  731.694040][T11533]  ? do_setlink.isra.0 (net/core/rtnetlink.c:3246)
[  731.694042][T11533]  netif_change_name.cold (net/core/dev.c:1507 (discriminator 3))
[  731.694045][T11533]  ? register_netdev (net/core/dev.c:11618)
[  731.694046][T11533]  ? 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))
[  731.694052][T11533]  ? netdev_adjacent_rename_links (net/core/dev.c:9598)
[  731.694055][T11533]  ? __kernel_text_address (kernel/extable.c:79)
[  731.694057][T11533]  ? write_profile (profile.c:?)
[  731.694062][T11533]  ? __asan_memset (mm/kasan/shadow.c:84 (discriminator 1))
[  731.694068][T11533]  do_setlink.isra.0 (net/core/rtnetlink.c:3246)
[  731.694071][T11533]  ? stack_trace_save (kernel/stacktrace.c:122 (discriminator 1))
[  731.694074][T11533]  ? rtnl_link_get_size (net/core/rtnetlink.c:747)
[  731.694075][T11533]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:388 kernel/rcu/update.c:380)
[  731.694077][T11533]  ? stack_depot_save_flags (lib/stackdepot.c:609 (discriminator 2) lib/stackdepot.c:676 (discriminator 2))
[  731.694081][T11533]  ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4116 (discriminator 3) kernel/rcu/tree.c:4108 (discriminator 3))
[  731.694083][T11533]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380)
[  731.694085][T11533]  ? validate_chain (kernel/locking/lockdep.c:3817 (discriminator 2) kernel/locking/lockdep.c:3837 (discriminator 2) kernel/locking/lockdep.c:3892 (discriminator 2))
[  731.694087][T11533]  ? kasan_save_stack (mm/kasan/common.c:58)
[  731.694089][T11533]  ? kasan_save_stack (mm/kasan/common.c:57)
[  731.694091][T11533]  ? kasan_save_track (mm/kasan/common.c:78)
[  731.694092][T11533]  ? __kasan_kmalloc (mm/kasan/common.c:398 mm/kasan/common.c:415)
[  731.694094][T11533]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[  731.694096][T11533]  ? snd_ac97_proc_read_main (sound/pci/ac97/ac97_proc.c:320)
[  731.694100][T11533]  ? ___sys_sendmsg (net/socket.c:2758)
[  731.694104][T11533]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2))
[  731.694106][T11533]  ? rtnl_newlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:366 net/core/rtnetlink.c:4214)
[  731.694109][T11533]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  731.694111][T11533]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  731.694112][T11533]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  731.694113][T11533]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  731.694115][T11533]  ? trace_contention_end (./include/trace/events/lock.h:121 (discriminator 22))
[  731.694118][T11533]  ? __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)
[  731.694119][T11533]  ? __mutex_lock (kernel/locking/mutex.c:656 (discriminator 1) kernel/locking/mutex.c:821 (discriminator 1))
[  731.694121][T11533]  ? rtnl_newlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:366 net/core/rtnetlink.c:4214)
[  731.694125][T11533]  ? ww_mutex_lock (kernel/locking/mutex.c:934)
[  731.694126][T11533]  ? nla_get_range_signed (lib/nlattr.c:270)
[  731.694132][T11533]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  731.694134][T11533]  ? __rtnl_newlink (net/core/rtnetlink.c:4063)
[  731.694140][T11533]  rtnl_newlink (net/core/rtnetlink.c:4215)
[  731.694145][T11533]  ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558)
[  731.694147][T11533]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[  731.694152][T11533]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2))
[  731.694154][T11533]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[  731.694156][T11533]  ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558)
[  731.694158][T11533]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554)
[  731.694162][T11533]  ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558)
[  731.694164][T11533]  rtnetlink_rcv_msg (net/core/rtnetlink.c:7132)
[  731.694168][T11533]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[  731.694169][T11533]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[  731.694174][T11533]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2))
[  731.694176][T11533]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[  731.694180][T11533]  netlink_rcv_skb (net/netlink/af_netlink.c:2556)
[  731.694183][T11533]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[  731.694186][T11533]  ? netlink_ack (./include/linux/skbuff.h:2718)
[  731.694193][T11533]  ? 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))
[  731.694195][T11533]  ? 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))
[  731.694200][T11533]  netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[  731.694204][T11533]  ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[  731.694207][T11533]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[  731.694211][T11533]  netlink_sendmsg (net/netlink/af_netlink.c:1900)
[  731.694216][T11533]  ? netlink_unicast (./include/net/net_namespace.h:422 (discriminator 7))
[  731.694220][T11533]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554)
[  731.694221][T11533]  ? __import_iovec (lib/iov_iter.c:1358 lib/iov_iter.c:1373)
[  731.694227][T11533]  __sock_sendmsg (net/socket.c:800 (discriminator 4) net/socket.c:815 (discriminator 4))
[  731.694230][T11533]  ____sys_sendmsg (net/socket.c:2713)
[  731.694232][T11533]  ? copy_msghdr_from_user (net/socket.c:2650)
[  731.694235][T11533]  ? sock_write_iter (net/socket.c:1269)
[  731.694237][T11533]  ? move_addr_to_kernel (net/socket.c:258)
[  731.694244][T11533]  ___sys_sendmsg (net/socket.c:2767)
[  731.694251][T11533]  ? copy_msghdr_from_user (net/socket.c:2619)
[  731.694267][T11533]  __sys_sendmsg (net/socket.c:2799)
[  731.694270][T11533]  ? __sys_sendmsg_sock (net/socket.c:2780)
[  731.694277][T11533]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  731.694280][T11533]  do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84)
[  731.694283][T11533]  ? exc_page_fault (arch/x86/mm/fault.c:1489 (discriminator 3) arch/x86/mm/fault.c:1536 (discriminator 3))
[  731.694286][T11533]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[  731.694289][T11533] RIP: 0033:0x7f8b8723a54e
[  731.694293][T11533] 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
[  731.694295][T11533] RSP: 002b:00007fff57a847f0 EFLAGS: 00000202 ORIG_RAX: 000000000000002e
[  731.694298][T11533] RAX: ffffffffffffffda RBX: 0000000000000005 RCX: 00007f8b8723a54e
[  731.694300][T11533] RDX: 0000000000000000 RSI: 00007fff57a848a0 RDI: 0000000000000005
[  731.694301][T11533] RBP: 00007fff57a84800 R08: 0000000000000000 R09: 0000000000000000
[  731.694301][T11533] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a90d8fa
[  731.694302][T11533] R13: 00000000004a1620 R14: 0000000000000000 R15: 00007fff57a84f70
| [  741.163052][T11676] softirqs last disabled at (17972): netif_change_name (./include/linux/spinlock.h:353 ./include/linux/seqlock.h:908 net/core/dev.c:1499)
| [  741.163055][T11676] Preemption disabled at:
| [  741.163056][T11676] vprintk_emit (kernel/printk/printk.c:2471)
| [  741.163064][T11676] Tainted: [W]=WARN
[  741.163066][T11676] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[  741.163067][T11676] Call Trace:
[  741.163069][T11676]  <TASK>
[  741.163071][T11676]  dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120)
[  741.163077][T11676]  ? vprintk_emit (kernel/printk/printk.c:2471)
[  741.163079][T11676]  __might_resched.cold (kernel/sched/core.c:9234)
[  741.163084][T11676]  ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3))
[  741.163089][T11676]  ? __kmalloc_noprof (./include/linux/sched/mm.h:317 mm/slub.c:4636 mm/slub.c:4974 mm/slub.c:5413 mm/slub.c:5439)
[  741.163093][T11676]  __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))
[  741.163095][T11676]  ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[  741.163102][T11676]  ? 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)
[  741.163105][T11676]  alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[  741.163109][T11676]  put_chars (drivers/char/virtio_console.c:1176)
[  741.163112][T11676]  ? __send_to_port (drivers/char/virtio_console.c:654)
[  741.163119][T11676]  hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2))
[  741.163127][T11676]  ? hvc_write (drivers/tty/hvc/hvc_console.c:501)
[  741.163130][T11676]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  741.163135][T11676]  console_emit_next_record (kernel/printk/printk.c:3183)
[  741.163139][T11676]  ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20)
[  741.163141][T11676]  ? 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))
[  741.163144][T11676]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  741.163147][T11676]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  741.163151][T11676]  console_flush_one_record (kernel/printk/printk.c:3268)
[  741.163156][T11676]  ? console_emit_next_record (kernel/printk/printk.c:3150)
[  741.163158][T11676]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[  741.163164][T11676]  console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420)
[  741.163167][T11676]  ? console_flush_one_record (kernel/printk/printk.c:3316)
[  741.163169][T11676]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  741.163170][T11676]  ? 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)
[  741.163174][T11676]  ? __down_trylock_console_sem (kernel/printk/printk.c:334)
[  741.163176][T11676]  ? vprintk_emit (kernel/printk/printk.c:2478)
[  741.163179][T11676]  vprintk_emit (kernel/printk/printk.c:2479)
[  741.163183][T11676]  ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126))
[  741.163185][T11676]  ? _mutex_trylock_nest_lock (kernel/locking/mutex.c:1227 (discriminator 6))
[  741.163191][T11676]  _printk (kernel/printk/printk.c:2504)
[  741.163195][T11676]  ? snapshot_read.cold (user.c:?)
[  741.163196][T11676]  ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4116 (discriminator 3) kernel/rcu/tree.c:4108 (discriminator 3))
[  741.163199][T11676]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380)
[  741.163202][T11676]  ? validate_chain (kernel/locking/lockdep.c:3817 (discriminator 2) kernel/locking/lockdep.c:3837 (discriminator 2) kernel/locking/lockdep.c:3892 (discriminator 2))
[  741.163204][T11676]  ? netdev_name (./include/linux/netdevice.h:5709 (discriminator 1))
[  741.163208][T11676]  ? __netdev_printk (net/core/dev.c:13148 (discriminator 2))
[  741.163211][T11676]  ? do_setlink.isra.0 (net/core/rtnetlink.c:3246)
[  741.163213][T11676]  netdev_info (net/core/dev.c:13195 (discriminator 3))
[  741.163216][T11676]  ? netdev_notice (net/core/dev.c:13194)
[  741.163219][T11676]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[  741.163222][T11676]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554)
[  741.163225][T11676]  ? mark_held_locks (kernel/locking/lockdep.c:4341)
[  741.163229][T11676]  ? do_setlink.isra.0 (net/core/rtnetlink.c:3246)
[  741.163231][T11676]  netif_change_name.cold (net/core/dev.c:1507 (discriminator 3))
[  741.163233][T11676]  ? register_netdev (net/core/dev.c:11618)
[  741.163234][T11676]  ? 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))
[  741.163240][T11676]  ? netdev_adjacent_rename_links (net/core/dev.c:9598)
[  741.163243][T11676]  ? __kernel_text_address (kernel/extable.c:79)
[  741.163245][T11676]  ? write_profile (profile.c:?)
[  741.163253][T11676]  ? __asan_memset (mm/kasan/shadow.c:84 (discriminator 1))
[  741.163259][T11676]  do_setlink.isra.0 (net/core/rtnetlink.c:3246)
[  741.163263][T11676]  ? stack_trace_save (kernel/stacktrace.c:122 (discriminator 1))
[  741.163265][T11676]  ? rtnl_link_get_size (net/core/rtnetlink.c:747)
[  741.163266][T11676]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:388 kernel/rcu/update.c:380)
[  741.163268][T11676]  ? stack_depot_save_flags (lib/stackdepot.c:609 (discriminator 2) lib/stackdepot.c:676 (discriminator 2))
[  741.163272][T11676]  ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4116 (discriminator 3) kernel/rcu/tree.c:4108 (discriminator 3))
[  741.163274][T11676]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380)
[  741.163276][T11676]  ? validate_chain (kernel/locking/lockdep.c:3817 (discriminator 2) kernel/locking/lockdep.c:3837 (discriminator 2) kernel/locking/lockdep.c:3892 (discriminator 2))
[  741.163278][T11676]  ? kasan_save_stack (mm/kasan/common.c:58)
[  741.163281][T11676]  ? kasan_save_stack (mm/kasan/common.c:57)
[  741.163282][T11676]  ? kasan_save_track (mm/kasan/common.c:78)
[  741.163283][T11676]  ? __kasan_kmalloc (mm/kasan/common.c:398 mm/kasan/common.c:415)
[  741.163286][T11676]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[  741.163288][T11676]  ? snd_ac97_proc_read_main (sound/pci/ac97/ac97_proc.c:320)
[  741.163291][T11676]  ? ___sys_sendmsg (net/socket.c:2758)
[  741.163295][T11676]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2))
[  741.163297][T11676]  ? rtnl_newlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:366 net/core/rtnetlink.c:4214)
[  741.163299][T11676]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  741.163301][T11676]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  741.163303][T11676]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  741.163304][T11676]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  741.163306][T11676]  ? trace_contention_end (./include/trace/events/lock.h:121 (discriminator 22))
[  741.163308][T11676]  ? __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)
[  741.163310][T11676]  ? __mutex_lock (kernel/locking/mutex.c:656 (discriminator 1) kernel/locking/mutex.c:821 (discriminator 1))
[  741.163312][T11676]  ? rtnl_newlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:366 net/core/rtnetlink.c:4214)
[  741.163315][T11676]  ? ww_mutex_lock (kernel/locking/mutex.c:934)
[  741.163317][T11676]  ? nla_get_range_signed (lib/nlattr.c:270)
[  741.163322][T11676]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  741.163324][T11676]  ? __rtnl_newlink (net/core/rtnetlink.c:4063)
[  741.163329][T11676]  rtnl_newlink (net/core/rtnetlink.c:4215)
[  741.163335][T11676]  ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558)
[  741.163337][T11676]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[  741.163341][T11676]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2))
[  741.163343][T11676]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[  741.163345][T11676]  ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558)
[  741.163347][T11676]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554)
[  741.163351][T11676]  ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558)
[  741.163354][T11676]  rtnetlink_rcv_msg (net/core/rtnetlink.c:7132)
[  741.163357][T11676]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[  741.163358][T11676]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[  741.163363][T11676]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2))
[  741.163365][T11676]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[  741.163369][T11676]  netlink_rcv_skb (net/netlink/af_netlink.c:2556)
[  741.163372][T11676]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[  741.163375][T11676]  ? netlink_ack (./include/linux/skbuff.h:2718)
[  741.163382][T11676]  ? 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))
[  741.163384][T11676]  ? 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))
[  741.163389][T11676]  netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[  741.163393][T11676]  ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[  741.163395][T11676]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[  741.163400][T11676]  netlink_sendmsg (net/netlink/af_netlink.c:1900)
[  741.163404][T11676]  ? netlink_unicast (./include/net/net_namespace.h:422 (discriminator 7))
[  741.163408][T11676]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554)
[  741.163409][T11676]  ? __import_iovec (lib/iov_iter.c:1358 lib/iov_iter.c:1373)
[  741.163415][T11676]  __sock_sendmsg (net/socket.c:800 (discriminator 4) net/socket.c:815 (discriminator 4))
[  741.163418][T11676]  ____sys_sendmsg (net/socket.c:2713)
[  741.163420][T11676]  ? copy_msghdr_from_user (net/socket.c:2650)
[  741.163422][T11676]  ? sock_write_iter (net/socket.c:1269)
[  741.163424][T11676]  ? move_addr_to_kernel (net/socket.c:258)
[  741.163432][T11676]  ___sys_sendmsg (net/socket.c:2767)
[  741.163435][T11676]  ? copy_msghdr_from_user (net/socket.c:2619)
[  741.163451][T11676]  __sys_sendmsg (net/socket.c:2799)
[  741.163454][T11676]  ? __sys_sendmsg_sock (net/socket.c:2780)
[  741.163460][T11676]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  741.163463][T11676]  do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84)
[  741.163466][T11676]  ? exc_page_fault (arch/x86/mm/fault.c:1489 (discriminator 3) arch/x86/mm/fault.c:1536 (discriminator 3))
[  741.163469][T11676]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[  741.163472][T11676] RIP: 0033:0x7fd7dbf7c54e
[  741.163476][T11676] 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
[  741.163478][T11676] RSP: 002b:00007ffe43c1a4e0 EFLAGS: 00000202 ORIG_RAX: 000000000000002e
[  741.163481][T11676] RAX: ffffffffffffffda RBX: 0000000000000005 RCX: 00007fd7dbf7c54e
[  741.163482][T11676] RDX: 0000000000000000 RSI: 00007ffe43c1a590 RDI: 0000000000000005
[  741.163483][T11676] RBP: 00007ffe43c1a4f0 R08: 0000000000000000 R09: 0000000000000000
[  741.163484][T11676] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a90d904
[  741.163485][T11676] R13: 00000000004a1620 R14: 0000000000000000 R15: 00007ffe43c1ac60
| [  750.496066][T11819] softirqs last disabled at (24606): netif_change_name (./include/linux/spinlock.h:353 ./include/linux/seqlock.h:908 net/core/dev.c:1499)
| [  750.496069][T11819] Preemption disabled at:
| [  750.496069][T11819] vprintk_emit (kernel/printk/printk.c:2471)
| [  750.496078][T11819] Tainted: [W]=WARN
[  750.496079][T11819] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[  750.496081][T11819] Call Trace:
[  750.496082][T11819]  <TASK>
[  750.496083][T11819]  dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120)
[  750.496090][T11819]  ? vprintk_emit (kernel/printk/printk.c:2471)
[  750.496091][T11819]  __might_resched.cold (kernel/sched/core.c:9234)
[  750.496096][T11819]  ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3))
[  750.496101][T11819]  ? __kmalloc_noprof (./include/linux/sched/mm.h:317 mm/slub.c:4636 mm/slub.c:4974 mm/slub.c:5413 mm/slub.c:5439)
[  750.496105][T11819]  __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))
[  750.496107][T11819]  ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[  750.496114][T11819]  ? 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)
[  750.496117][T11819]  alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[  750.496121][T11819]  put_chars (drivers/char/virtio_console.c:1176)
[  750.496123][T11819]  ? __send_to_port (drivers/char/virtio_console.c:654)
[  750.496130][T11819]  hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2))
[  750.496137][T11819]  ? hvc_write (drivers/tty/hvc/hvc_console.c:501)
[  750.496141][T11819]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  750.496145][T11819]  console_emit_next_record (kernel/printk/printk.c:3183)
[  750.496149][T11819]  ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20)
[  750.496151][T11819]  ? 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))
[  750.496155][T11819]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  750.496157][T11819]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  750.496161][T11819]  console_flush_one_record (kernel/printk/printk.c:3268)
[  750.496166][T11819]  ? console_emit_next_record (kernel/printk/printk.c:3150)
[  750.496168][T11819]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[  750.496173][T11819]  console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420)
[  750.496176][T11819]  ? console_flush_one_record (kernel/printk/printk.c:3316)
[  750.496178][T11819]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  750.496180][T11819]  ? 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)
[  750.496184][T11819]  ? __down_trylock_console_sem (kernel/printk/printk.c:334)
[  750.496186][T11819]  ? vprintk_emit (kernel/printk/printk.c:2478)
[  750.496188][T11819]  vprintk_emit (kernel/printk/printk.c:2479)
[  750.496192][T11819]  ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126))
[  750.496194][T11819]  ? _mutex_trylock_nest_lock (kernel/locking/mutex.c:1227 (discriminator 6))
[  750.496200][T11819]  _printk (kernel/printk/printk.c:2504)
[  750.496203][T11819]  ? snapshot_read.cold (user.c:?)
[  750.496205][T11819]  ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4116 (discriminator 3) kernel/rcu/tree.c:4108 (discriminator 3))
[  750.496208][T11819]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380)
[  750.496210][T11819]  ? validate_chain (kernel/locking/lockdep.c:3817 (discriminator 2) kernel/locking/lockdep.c:3837 (discriminator 2) kernel/locking/lockdep.c:3892 (discriminator 2))
[  750.496213][T11819]  ? netdev_name (./include/linux/netdevice.h:5709 (discriminator 1))
[  750.496216][T11819]  ? __netdev_printk (net/core/dev.c:13148 (discriminator 2))
[  750.496219][T11819]  ? do_setlink.isra.0 (net/core/rtnetlink.c:3246)
[  750.496222][T11819]  netdev_info (net/core/dev.c:13195 (discriminator 3))
[  750.496225][T11819]  ? netdev_notice (net/core/dev.c:13194)
[  750.496228][T11819]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[  750.496231][T11819]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554)
[  750.496233][T11819]  ? mark_held_locks (kernel/locking/lockdep.c:4341)
[  750.496237][T11819]  ? do_setlink.isra.0 (net/core/rtnetlink.c:3246)
[  750.496239][T11819]  netif_change_name.cold (net/core/dev.c:1507 (discriminator 3))
[  750.496241][T11819]  ? register_netdev (net/core/dev.c:11618)
[  750.496243][T11819]  ? 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))
[  750.496251][T11819]  ? netdev_adjacent_rename_links (net/core/dev.c:9598)
[  750.496254][T11819]  ? __kernel_text_address (kernel/extable.c:79)
[  750.496256][T11819]  ? write_profile (profile.c:?)
[  750.496260][T11819]  ? __asan_memset (mm/kasan/shadow.c:84 (discriminator 1))
[  750.496266][T11819]  do_setlink.isra.0 (net/core/rtnetlink.c:3246)
[  750.496270][T11819]  ? stack_trace_save (kernel/stacktrace.c:122 (discriminator 1))
[  750.496272][T11819]  ? rtnl_link_get_size (net/core/rtnetlink.c:747)
[  750.496273][T11819]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:388 kernel/rcu/update.c:380)
[  750.496275][T11819]  ? stack_depot_save_flags (lib/stackdepot.c:609 (discriminator 2) lib/stackdepot.c:676 (discriminator 2))
[  750.496279][T11819]  ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4116 (discriminator 3) kernel/rcu/tree.c:4108 (discriminator 3))
[  750.496281][T11819]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380)
[  750.496283][T11819]  ? validate_chain (kernel/locking/lockdep.c:3817 (discriminator 2) kernel/locking/lockdep.c:3837 (discriminator 2) kernel/locking/lockdep.c:3892 (discriminator 2))
[  750.496285][T11819]  ? kasan_save_stack (mm/kasan/common.c:58)
[  750.496287][T11819]  ? kasan_save_stack (mm/kasan/common.c:57)
[  750.496289][T11819]  ? kasan_save_track (mm/kasan/common.c:78)
[  750.496290][T11819]  ? __kasan_kmalloc (mm/kasan/common.c:398 mm/kasan/common.c:415)
[  750.496292][T11819]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[  750.496294][T11819]  ? snd_ac97_proc_read_main (sound/pci/ac97/ac97_proc.c:320)
[  750.496297][T11819]  ? ___sys_sendmsg (net/socket.c:2758)
[  750.496301][T11819]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2))
[  750.496303][T11819]  ? rtnl_newlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:366 net/core/rtnetlink.c:4214)
[  750.496306][T11819]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  750.496307][T11819]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  750.496309][T11819]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  750.496310][T11819]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  750.496312][T11819]  ? trace_contention_end (./include/trace/events/lock.h:121 (discriminator 22))
[  750.496314][T11819]  ? __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)
[  750.496316][T11819]  ? __mutex_lock (kernel/locking/mutex.c:656 (discriminator 1) kernel/locking/mutex.c:821 (discriminator 1))
[  750.496318][T11819]  ? rtnl_newlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:366 net/core/rtnetlink.c:4214)
[  750.496321][T11819]  ? ww_mutex_lock (kernel/locking/mutex.c:934)
[  750.496322][T11819]  ? nla_get_range_signed (lib/nlattr.c:270)
[  750.496328][T11819]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  750.496330][T11819]  ? __rtnl_newlink (net/core/rtnetlink.c:4063)
[  750.496335][T11819]  rtnl_newlink (net/core/rtnetlink.c:4215)
[  750.496341][T11819]  ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558)
[  750.496343][T11819]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[  750.496347][T11819]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2))
[  750.496349][T11819]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[  750.496351][T11819]  ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558)
[  750.496353][T11819]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554)
[  750.496357][T11819]  ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558)
[  750.496359][T11819]  rtnetlink_rcv_msg (net/core/rtnetlink.c:7132)
[  750.496363][T11819]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[  750.496364][T11819]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[  750.496369][T11819]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2))
[  750.496371][T11819]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[  750.496374][T11819]  netlink_rcv_skb (net/netlink/af_netlink.c:2556)
[  750.496377][T11819]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[  750.496380][T11819]  ? netlink_ack (./include/linux/skbuff.h:2718)
[  750.496387][T11819]  ? 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))
[  750.496389][T11819]  ? 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))
[  750.496394][T11819]  netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[  750.496398][T11819]  ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[  750.496400][T11819]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[  750.496405][T11819]  netlink_sendmsg (net/netlink/af_netlink.c:1900)
[  750.496409][T11819]  ? netlink_unicast (./include/net/net_namespace.h:422 (discriminator 7))
[  750.496413][T11819]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554)
[  750.496414][T11819]  ? __import_iovec (lib/iov_iter.c:1358 lib/iov_iter.c:1373)
[  750.496420][T11819]  __sock_sendmsg (net/socket.c:800 (discriminator 4) net/socket.c:815 (discriminator 4))
[  750.496423][T11819]  ____sys_sendmsg (net/socket.c:2713)
[  750.496425][T11819]  ? copy_msghdr_from_user (net/socket.c:2650)
[  750.496427][T11819]  ? sock_write_iter (net/socket.c:1269)
[  750.496429][T11819]  ? move_addr_to_kernel (net/socket.c:258)
[  750.496437][T11819]  ___sys_sendmsg (net/socket.c:2767)
[  750.496440][T11819]  ? copy_msghdr_from_user (net/socket.c:2619)
[  750.496456][T11819]  __sys_sendmsg (net/socket.c:2799)
[  750.496459][T11819]  ? __sys_sendmsg_sock (net/socket.c:2780)
[  750.496465][T11819]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  750.496468][T11819]  do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84)
[  750.496472][T11819]  ? exc_page_fault (arch/x86/mm/fault.c:1489 (discriminator 3) arch/x86/mm/fault.c:1536 (discriminator 3))
[  750.496475][T11819]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[  750.496477][T11819] RIP: 0033:0x7fad5382054e
[  750.496481][T11819] 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
[  750.496483][T11819] RSP: 002b:00007fffc09ba9d0 EFLAGS: 00000202 ORIG_RAX: 000000000000002e
[  750.496486][T11819] RAX: ffffffffffffffda RBX: 0000000000000005 RCX: 00007fad5382054e
[  750.496487][T11819] RDX: 0000000000000000 RSI: 00007fffc09baa80 RDI: 0000000000000005
[  750.496488][T11819] RBP: 00007fffc09ba9e0 R08: 0000000000000000 R09: 0000000000000000
[  750.496489][T11819] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a90d90d
[  750.496490][T11819] R13: 00000000004a1620 R14: 0000000000000000 R15: 00007fffc09bb150
| [  759.954859][T11962] softirqs last disabled at (30410): netif_change_name (./include/linux/spinlock.h:353 ./include/linux/seqlock.h:908 net/core/dev.c:1499)
| [  759.954862][T11962] Preemption disabled at:
| [  759.954863][T11962] vprintk_emit (kernel/printk/printk.c:2471)
| [  759.954874][T11962] Tainted: [W]=WARN
[  759.954875][T11962] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[  759.954878][T11962] Call Trace:
[  759.954880][T11962]  <TASK>
[  759.954882][T11962]  dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120)
[  759.954889][T11962]  ? vprintk_emit (kernel/printk/printk.c:2471)
[  759.954892][T11962]  __might_resched.cold (kernel/sched/core.c:9234)
[  759.954898][T11962]  ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3))
[  759.954903][T11962]  ? __kmalloc_noprof (./include/linux/sched/mm.h:317 mm/slub.c:4636 mm/slub.c:4974 mm/slub.c:5413 mm/slub.c:5439)
[  759.954910][T11962]  __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))
[  759.954913][T11962]  ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[  759.954922][T11962]  ? 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)
[  759.954925][T11962]  alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[  759.954930][T11962]  put_chars (drivers/char/virtio_console.c:1176)
[  759.954934][T11962]  ? __send_to_port (drivers/char/virtio_console.c:654)
[  759.954944][T11962]  hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2))
[  759.954961][T11962]  ? hvc_write (drivers/tty/hvc/hvc_console.c:501)
[  759.954966][T11962]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  759.954973][T11962]  console_emit_next_record (kernel/printk/printk.c:3183)
[  759.954979][T11962]  ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20)
[  759.954981][T11962]  ? 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))
[  759.954986][T11962]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  759.954990][T11962]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  759.954996][T11962]  console_flush_one_record (kernel/printk/printk.c:3268)
[  759.955003][T11962]  ? console_emit_next_record (kernel/printk/printk.c:3150)
[  759.955005][T11962]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[  759.955013][T11962]  console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420)
[  759.955018][T11962]  ? console_flush_one_record (kernel/printk/printk.c:3316)
[  759.955020][T11962]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  759.955023][T11962]  ? 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)
[  759.955029][T11962]  ? __down_trylock_console_sem (kernel/printk/printk.c:334)
[  759.955031][T11962]  ? vprintk_emit (kernel/printk/printk.c:2478)
[  759.955035][T11962]  vprintk_emit (kernel/printk/printk.c:2479)
[  759.955041][T11962]  ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126))
[  759.955045][T11962]  ? _mutex_trylock_nest_lock (kernel/locking/mutex.c:1227 (discriminator 6))
[  759.955052][T11962]  _printk (kernel/printk/printk.c:2504)
[  759.955057][T11962]  ? snapshot_read.cold (user.c:?)
[  759.955059][T11962]  ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4116 (discriminator 3) kernel/rcu/tree.c:4108 (discriminator 3))
[  759.955063][T11962]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380)
[  759.955067][T11962]  ? validate_chain (kernel/locking/lockdep.c:3817 (discriminator 2) kernel/locking/lockdep.c:3837 (discriminator 2) kernel/locking/lockdep.c:3892 (discriminator 2))
[  759.955070][T11962]  ? netdev_name (./include/linux/netdevice.h:5709 (discriminator 1))
[  759.955075][T11962]  ? __netdev_printk (net/core/dev.c:13148 (discriminator 2))
[  759.955079][T11962]  ? do_setlink.isra.0 (net/core/rtnetlink.c:3246)
[  759.955082][T11962]  netdev_info (net/core/dev.c:13195 (discriminator 3))
[  759.955086][T11962]  ? netdev_notice (net/core/dev.c:13194)
[  759.955090][T11962]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[  759.955094][T11962]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554)
[  759.955098][T11962]  ? mark_held_locks (kernel/locking/lockdep.c:4341)
[  759.955104][T11962]  ? do_setlink.isra.0 (net/core/rtnetlink.c:3246)
[  759.955107][T11962]  netif_change_name.cold (net/core/dev.c:1507 (discriminator 3))
[  759.955111][T11962]  ? register_netdev (net/core/dev.c:11618)
[  759.955113][T11962]  ? 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))
[  759.955120][T11962]  ? netdev_adjacent_rename_links (net/core/dev.c:9598)
[  759.955123][T11962]  ? __kernel_text_address (kernel/extable.c:79)
[  759.955127][T11962]  ? write_profile (profile.c:?)
[  759.955132][T11962]  ? __asan_memset (mm/kasan/shadow.c:84 (discriminator 1))
[  759.955140][T11962]  do_setlink.isra.0 (net/core/rtnetlink.c:3246)
[  759.955146][T11962]  ? stack_trace_save (kernel/stacktrace.c:122 (discriminator 1))
[  759.955149][T11962]  ? rtnl_link_get_size (net/core/rtnetlink.c:747)
[  759.955151][T11962]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:388 kernel/rcu/update.c:380)
[  759.955154][T11962]  ? stack_depot_save_flags (lib/stackdepot.c:609 (discriminator 2) lib/stackdepot.c:676 (discriminator 2))
[  759.955158][T11962]  ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4116 (discriminator 3) kernel/rcu/tree.c:4108 (discriminator 3))
[  759.955161][T11962]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380)
[  759.955164][T11962]  ? validate_chain (kernel/locking/lockdep.c:3817 (discriminator 2) kernel/locking/lockdep.c:3837 (discriminator 2) kernel/locking/lockdep.c:3892 (discriminator 2))
[  759.955167][T11962]  ? kasan_save_stack (mm/kasan/common.c:58)
[  759.955170][T11962]  ? kasan_save_stack (mm/kasan/common.c:57)
[  759.955172][T11962]  ? kasan_save_track (mm/kasan/common.c:78)
[  759.955174][T11962]  ? __kasan_kmalloc (mm/kasan/common.c:398 mm/kasan/common.c:415)
[  759.955177][T11962]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[  759.955180][T11962]  ? snd_ac97_proc_read_main (sound/pci/ac97/ac97_proc.c:320)
[  759.955184][T11962]  ? ___sys_sendmsg (net/socket.c:2758)
[  759.955189][T11962]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2))
[  759.955192][T11962]  ? rtnl_newlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:366 net/core/rtnetlink.c:4214)
[  759.955196][T11962]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  759.955199][T11962]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  759.955201][T11962]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  759.955203][T11962]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  759.955206][T11962]  ? trace_contention_end (./include/trace/events/lock.h:121 (discriminator 22))
[  759.955209][T11962]  ? __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)
[  759.955211][T11962]  ? __mutex_lock (kernel/locking/mutex.c:656 (discriminator 1) kernel/locking/mutex.c:821 (discriminator 1))
[  759.955214][T11962]  ? rtnl_newlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:366 net/core/rtnetlink.c:4214)
[  759.955219][T11962]  ? ww_mutex_lock (kernel/locking/mutex.c:934)
[  759.955221][T11962]  ? nla_get_range_signed (lib/nlattr.c:270)
[  759.955228][T11962]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  759.955232][T11962]  ? __rtnl_newlink (net/core/rtnetlink.c:4063)
[  759.955240][T11962]  rtnl_newlink (net/core/rtnetlink.c:4215)
[  759.955252][T11962]  ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558)
[  759.955255][T11962]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[  759.955262][T11962]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2))
[  759.955265][T11962]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[  759.955268][T11962]  ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558)
[  759.955271][T11962]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554)
[  759.955277][T11962]  ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558)
[  759.955280][T11962]  rtnetlink_rcv_msg (net/core/rtnetlink.c:7132)
[  759.955285][T11962]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[  759.955287][T11962]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[  759.955294][T11962]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2))
[  759.955297][T11962]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[  759.955302][T11962]  netlink_rcv_skb (net/netlink/af_netlink.c:2556)
[  759.955306][T11962]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[  759.955311][T11962]  ? netlink_ack (./include/linux/skbuff.h:2718)
[  759.955321][T11962]  ? 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))
[  759.955324][T11962]  ? 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))
[  759.955331][T11962]  netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[  759.955337][T11962]  ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[  759.955341][T11962]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[  759.955348][T11962]  netlink_sendmsg (net/netlink/af_netlink.c:1900)
[  759.955354][T11962]  ? netlink_unicast (./include/net/net_namespace.h:422 (discriminator 7))
[  759.955360][T11962]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554)
[  759.955362][T11962]  ? __import_iovec (lib/iov_iter.c:1358 lib/iov_iter.c:1373)
[  759.955370][T11962]  __sock_sendmsg (net/socket.c:800 (discriminator 4) net/socket.c:815 (discriminator 4))
[  759.955375][T11962]  ____sys_sendmsg (net/socket.c:2713)
[  759.955378][T11962]  ? copy_msghdr_from_user (net/socket.c:2650)
[  759.955382][T11962]  ? sock_write_iter (net/socket.c:1269)
[  759.955384][T11962]  ? move_addr_to_kernel (net/socket.c:258)
[  759.955397][T11962]  ___sys_sendmsg (net/socket.c:2767)
[  759.955401][T11962]  ? copy_msghdr_from_user (net/socket.c:2619)
[  759.955429][T11962]  __sys_sendmsg (net/socket.c:2799)
[  759.955433][T11962]  ? __sys_sendmsg_sock (net/socket.c:2780)
[  759.955443][T11962]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  759.955449][T11962]  do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84)
[  759.955453][T11962]  ? exc_page_fault (arch/x86/mm/fault.c:1489 (discriminator 3) arch/x86/mm/fault.c:1536 (discriminator 3))
[  759.955457][T11962]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[  759.955460][T11962] RIP: 0033:0x7fbbd68ce54e
[  759.955466][T11962] 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
[  759.955469][T11962] RSP: 002b:00007ffd4b6b8a30 EFLAGS: 00000202 ORIG_RAX: 000000000000002e
[  759.955472][T11962] RAX: ffffffffffffffda RBX: 0000000000000005 RCX: 00007fbbd68ce54e
[  759.955474][T11962] RDX: 0000000000000000 RSI: 00007ffd4b6b8ae0 RDI: 0000000000000005
[  759.955476][T11962] RBP: 00007ffd4b6b8a40 R08: 0000000000000000 R09: 0000000000000000
[  759.955477][T11962] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a90d917
[  759.955478][T11962] R13: 00000000004a1620 R14: 0000000000000000 R15: 00007ffd4b6b91b0
| [  769.921999][T12105] softirqs last disabled at (29204): netif_change_name (./include/linux/spinlock.h:353 ./include/linux/seqlock.h:908 net/core/dev.c:1499)
| [  769.922003][T12105] Preemption disabled at:
| [  769.922003][T12105] vprintk_emit (kernel/printk/printk.c:2471)
| [  769.922014][T12105] Tainted: [W]=WARN
[  769.922016][T12105] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[  769.922018][T12105] Call Trace:
[  769.922020][T12105]  <TASK>
[  769.922022][T12105]  dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120)
[  769.922029][T12105]  ? vprintk_emit (kernel/printk/printk.c:2471)
[  769.922032][T12105]  __might_resched.cold (kernel/sched/core.c:9234)
[  769.922042][T12105]  ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3))
[  769.922048][T12105]  ? __kmalloc_noprof (./include/linux/sched/mm.h:317 mm/slub.c:4636 mm/slub.c:4974 mm/slub.c:5413 mm/slub.c:5439)
[  769.922054][T12105]  __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))
[  769.922057][T12105]  ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[  769.922065][T12105]  ? 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)
[  769.922068][T12105]  alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[  769.922073][T12105]  put_chars (drivers/char/virtio_console.c:1176)
[  769.922077][T12105]  ? __send_to_port (drivers/char/virtio_console.c:654)
[  769.922087][T12105]  hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2))
[  769.922097][T12105]  ? hvc_write (drivers/tty/hvc/hvc_console.c:501)
[  769.922102][T12105]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  769.922109][T12105]  console_emit_next_record (kernel/printk/printk.c:3183)
[  769.922115][T12105]  ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20)
[  769.922118][T12105]  ? 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))
[  769.922123][T12105]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  769.922127][T12105]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  769.922134][T12105]  console_flush_one_record (kernel/printk/printk.c:3268)
[  769.922141][T12105]  ? console_emit_next_record (kernel/printk/printk.c:3150)
[  769.922143][T12105]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[  769.922152][T12105]  console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420)
[  769.922157][T12105]  ? console_flush_one_record (kernel/printk/printk.c:3316)
[  769.922160][T12105]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  769.922163][T12105]  ? 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)
[  769.922169][T12105]  ? __down_trylock_console_sem (kernel/printk/printk.c:334)
[  769.922171][T12105]  ? vprintk_emit (kernel/printk/printk.c:2478)
[  769.922176][T12105]  vprintk_emit (kernel/printk/printk.c:2479)
[  769.922182][T12105]  ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126))
[  769.922186][T12105]  ? _mutex_trylock_nest_lock (kernel/locking/mutex.c:1227 (discriminator 6))
[  769.922194][T12105]  _printk (kernel/printk/printk.c:2504)
[  769.922199][T12105]  ? snapshot_read.cold (user.c:?)
[  769.922201][T12105]  ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4116 (discriminator 3) kernel/rcu/tree.c:4108 (discriminator 3))
[  769.922206][T12105]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380)
[  769.922210][T12105]  ? validate_chain (kernel/locking/lockdep.c:3817 (discriminator 2) kernel/locking/lockdep.c:3837 (discriminator 2) kernel/locking/lockdep.c:3892 (discriminator 2))
[  769.922214][T12105]  ? netdev_name (./include/linux/netdevice.h:5709 (discriminator 1))
[  769.922219][T12105]  ? __netdev_printk (net/core/dev.c:13148 (discriminator 2))
[  769.922223][T12105]  ? do_setlink.isra.0 (net/core/rtnetlink.c:3246)
[  769.922227][T12105]  netdev_info (net/core/dev.c:13195 (discriminator 3))
[  769.922231][T12105]  ? netdev_notice (net/core/dev.c:13194)
[  769.922236][T12105]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[  769.922241][T12105]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554)
[  769.922245][T12105]  ? mark_held_locks (kernel/locking/lockdep.c:4341)
[  769.922254][T12105]  ? do_setlink.isra.0 (net/core/rtnetlink.c:3246)
[  769.922258][T12105]  netif_change_name.cold (net/core/dev.c:1507 (discriminator 3))
[  769.922262][T12105]  ? register_netdev (net/core/dev.c:11618)
[  769.922264][T12105]  ? 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))
[  769.922272][T12105]  ? netdev_adjacent_rename_links (net/core/dev.c:9598)
[  769.922276][T12105]  ? __kernel_text_address (kernel/extable.c:79)
[  769.922279][T12105]  ? write_profile (profile.c:?)
[  769.922286][T12105]  ? __asan_memset (mm/kasan/shadow.c:84 (discriminator 1))
[  769.922294][T12105]  do_setlink.isra.0 (net/core/rtnetlink.c:3246)
[  769.922300][T12105]  ? stack_trace_save (kernel/stacktrace.c:122 (discriminator 1))
[  769.922304][T12105]  ? rtnl_link_get_size (net/core/rtnetlink.c:747)
[  769.922306][T12105]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:388 kernel/rcu/update.c:380)
[  769.922309][T12105]  ? stack_depot_save_flags (lib/stackdepot.c:609 (discriminator 2) lib/stackdepot.c:676 (discriminator 2))
[  769.922314][T12105]  ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4116 (discriminator 3) kernel/rcu/tree.c:4108 (discriminator 3))
[  769.922317][T12105]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380)
[  769.922320][T12105]  ? validate_chain (kernel/locking/lockdep.c:3817 (discriminator 2) kernel/locking/lockdep.c:3837 (discriminator 2) kernel/locking/lockdep.c:3892 (discriminator 2))
[  769.922323][T12105]  ? kasan_save_stack (mm/kasan/common.c:58)
[  769.922326][T12105]  ? kasan_save_stack (mm/kasan/common.c:57)
[  769.922327][T12105]  ? kasan_save_track (mm/kasan/common.c:78)
[  769.922329][T12105]  ? __kasan_kmalloc (mm/kasan/common.c:398 mm/kasan/common.c:415)
[  769.922333][T12105]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[  769.922336][T12105]  ? snd_ac97_proc_read_main (sound/pci/ac97/ac97_proc.c:320)
[  769.922339][T12105]  ? ___sys_sendmsg (net/socket.c:2758)
[  769.922345][T12105]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2))
[  769.922348][T12105]  ? rtnl_newlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:366 net/core/rtnetlink.c:4214)
[  769.922352][T12105]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  769.922354][T12105]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  769.922356][T12105]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  769.922358][T12105]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  769.922361][T12105]  ? trace_contention_end (./include/trace/events/lock.h:121 (discriminator 22))
[  769.922364][T12105]  ? __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)
[  769.922366][T12105]  ? __mutex_lock (kernel/locking/mutex.c:656 (discriminator 1) kernel/locking/mutex.c:821 (discriminator 1))
[  769.922369][T12105]  ? rtnl_newlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:366 net/core/rtnetlink.c:4214)
[  769.922374][T12105]  ? ww_mutex_lock (kernel/locking/mutex.c:934)
[  769.922376][T12105]  ? nla_get_range_signed (lib/nlattr.c:270)
[  769.922382][T12105]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  769.922386][T12105]  ? __rtnl_newlink (net/core/rtnetlink.c:4063)
[  769.922394][T12105]  rtnl_newlink (net/core/rtnetlink.c:4215)
[  769.922402][T12105]  ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558)
[  769.922405][T12105]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[  769.922412][T12105]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2))
[  769.922414][T12105]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[  769.922417][T12105]  ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558)
[  769.922420][T12105]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554)
[  769.922426][T12105]  ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558)
[  769.922429][T12105]  rtnetlink_rcv_msg (net/core/rtnetlink.c:7132)
[  769.922434][T12105]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[  769.922436][T12105]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[  769.922443][T12105]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2))
[  769.922445][T12105]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[  769.922451][T12105]  netlink_rcv_skb (net/netlink/af_netlink.c:2556)
[  769.922455][T12105]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[  769.922459][T12105]  ? netlink_ack (./include/linux/skbuff.h:2718)
[  769.922469][T12105]  ? 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))
[  769.922472][T12105]  ? 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))
[  769.922479][T12105]  netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[  769.922485][T12105]  ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[  769.922488][T12105]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[  769.922495][T12105]  netlink_sendmsg (net/netlink/af_netlink.c:1900)
[  769.922501][T12105]  ? netlink_unicast (./include/net/net_namespace.h:422 (discriminator 7))
[  769.922506][T12105]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554)
[  769.922509][T12105]  ? __import_iovec (lib/iov_iter.c:1358 lib/iov_iter.c:1373)
[  769.922516][T12105]  __sock_sendmsg (net/socket.c:800 (discriminator 4) net/socket.c:815 (discriminator 4))
[  769.922520][T12105]  ____sys_sendmsg (net/socket.c:2713)
[  769.922523][T12105]  ? copy_msghdr_from_user (net/socket.c:2650)
[  769.922526][T12105]  ? sock_write_iter (net/socket.c:1269)
[  769.922529][T12105]  ? move_addr_to_kernel (net/socket.c:258)
[  769.922540][T12105]  ___sys_sendmsg (net/socket.c:2767)
[  769.922544][T12105]  ? copy_msghdr_from_user (net/socket.c:2619)
[  769.922568][T12105]  __sys_sendmsg (net/socket.c:2799)
[  769.922572][T12105]  ? __sys_sendmsg_sock (net/socket.c:2780)
[  769.922581][T12105]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  769.922585][T12105]  do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84)
[  769.922589][T12105]  ? exc_page_fault (arch/x86/mm/fault.c:1489 (discriminator 3) arch/x86/mm/fault.c:1536 (discriminator 3))
[  769.922593][T12105]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[  769.922596][T12105] RIP: 0033:0x7f858362954e
[  769.922601][T12105] 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
[  769.922604][T12105] RSP: 002b:00007ffc1c118c50 EFLAGS: 00000202 ORIG_RAX: 000000000000002e
[  769.922608][T12105] RAX: ffffffffffffffda RBX: 0000000000000005 RCX: 00007f858362954e
[  769.922610][T12105] RDX: 0000000000000000 RSI: 00007ffc1c118d00 RDI: 0000000000000005
[  769.922611][T12105] RBP: 00007ffc1c118c60 R08: 0000000000000000 R09: 0000000000000000
[  769.922612][T12105] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a90d921
[  769.922613][T12105] R13: 00000000004a1620 R14: 0000000000000000 R15: 00007ffc1c1193d0
| [  779.198028][T12248] softirqs last disabled at (22012): netif_change_name (./include/linux/spinlock.h:353 ./include/linux/seqlock.h:908 net/core/dev.c:1499)
| [  779.198031][T12248] Preemption disabled at:
| [  779.198032][T12248] vprintk_emit (kernel/printk/printk.c:2471)
| [  779.198040][T12248] Tainted: [W]=WARN
[  779.198041][T12248] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[  779.198043][T12248] Call Trace:
[  779.198045][T12248]  <TASK>
[  779.198047][T12248]  dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120)
[  779.198053][T12248]  ? vprintk_emit (kernel/printk/printk.c:2471)
[  779.198055][T12248]  __might_resched.cold (kernel/sched/core.c:9234)
[  779.198059][T12248]  ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3))
[  779.198064][T12248]  ? __kmalloc_noprof (./include/linux/sched/mm.h:317 mm/slub.c:4636 mm/slub.c:4974 mm/slub.c:5413 mm/slub.c:5439)
[  779.198069][T12248]  __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))
[  779.198071][T12248]  ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[  779.198077][T12248]  ? 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)
[  779.198080][T12248]  alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[  779.198084][T12248]  put_chars (drivers/char/virtio_console.c:1176)
[  779.198086][T12248]  ? __send_to_port (drivers/char/virtio_console.c:654)
[  779.198093][T12248]  hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2))
[  779.198100][T12248]  ? hvc_write (drivers/tty/hvc/hvc_console.c:501)
[  779.198104][T12248]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  779.198108][T12248]  console_emit_next_record (kernel/printk/printk.c:3183)
[  779.198112][T12248]  ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20)
[  779.198114][T12248]  ? 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))
[  779.198123][T12248]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  779.198126][T12248]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  779.198130][T12248]  console_flush_one_record (kernel/printk/printk.c:3268)
[  779.198134][T12248]  ? console_emit_next_record (kernel/printk/printk.c:3150)
[  779.198136][T12248]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[  779.198142][T12248]  console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420)
[  779.198145][T12248]  ? console_flush_one_record (kernel/printk/printk.c:3316)
[  779.198146][T12248]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  779.198148][T12248]  ? 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)
[  779.198152][T12248]  ? __down_trylock_console_sem (kernel/printk/printk.c:334)
[  779.198154][T12248]  ? vprintk_emit (kernel/printk/printk.c:2478)
[  779.198156][T12248]  vprintk_emit (kernel/printk/printk.c:2479)
[  779.198160][T12248]  ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126))
[  779.198162][T12248]  ? _mutex_trylock_nest_lock (kernel/locking/mutex.c:1227 (discriminator 6))
[  779.198167][T12248]  _printk (kernel/printk/printk.c:2504)
[  779.198171][T12248]  ? snapshot_read.cold (user.c:?)
[  779.198173][T12248]  ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4116 (discriminator 3) kernel/rcu/tree.c:4108 (discriminator 3))
[  779.198176][T12248]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380)
[  779.198179][T12248]  ? validate_chain (kernel/locking/lockdep.c:3817 (discriminator 2) kernel/locking/lockdep.c:3837 (discriminator 2) kernel/locking/lockdep.c:3892 (discriminator 2))
[  779.198181][T12248]  ? netdev_name (./include/linux/netdevice.h:5709 (discriminator 1))
[  779.198185][T12248]  ? __netdev_printk (net/core/dev.c:13148 (discriminator 2))
[  779.198188][T12248]  ? do_setlink.isra.0 (net/core/rtnetlink.c:3246)
[  779.198190][T12248]  netdev_info (net/core/dev.c:13195 (discriminator 3))
[  779.198193][T12248]  ? netdev_notice (net/core/dev.c:13194)
[  779.198196][T12248]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[  779.198199][T12248]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554)
[  779.198201][T12248]  ? mark_held_locks (kernel/locking/lockdep.c:4341)
[  779.198205][T12248]  ? do_setlink.isra.0 (net/core/rtnetlink.c:3246)
[  779.198207][T12248]  netif_change_name.cold (net/core/dev.c:1507 (discriminator 3))
[  779.198209][T12248]  ? register_netdev (net/core/dev.c:11618)
[  779.198211][T12248]  ? 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))
[  779.198216][T12248]  ? netdev_adjacent_rename_links (net/core/dev.c:9598)
[  779.198218][T12248]  ? __kernel_text_address (kernel/extable.c:79)
[  779.198221][T12248]  ? write_profile (profile.c:?)
[  779.198225][T12248]  ? __asan_memset (mm/kasan/shadow.c:84 (discriminator 1))
[  779.198231][T12248]  do_setlink.isra.0 (net/core/rtnetlink.c:3246)
[  779.198234][T12248]  ? stack_trace_save (kernel/stacktrace.c:122 (discriminator 1))
[  779.198236][T12248]  ? rtnl_link_get_size (net/core/rtnetlink.c:747)
[  779.198238][T12248]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:388 kernel/rcu/update.c:380)
[  779.198240][T12248]  ? stack_depot_save_flags (lib/stackdepot.c:609 (discriminator 2) lib/stackdepot.c:676 (discriminator 2))
[  779.198243][T12248]  ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4116 (discriminator 3) kernel/rcu/tree.c:4108 (discriminator 3))
[  779.198245][T12248]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380)
[  779.198247][T12248]  ? validate_chain (kernel/locking/lockdep.c:3817 (discriminator 2) kernel/locking/lockdep.c:3837 (discriminator 2) kernel/locking/lockdep.c:3892 (discriminator 2))
[  779.198252][T12248]  ? kasan_save_stack (mm/kasan/common.c:58)
[  779.198254][T12248]  ? kasan_save_stack (mm/kasan/common.c:57)
[  779.198255][T12248]  ? kasan_save_track (mm/kasan/common.c:78)
[  779.198257][T12248]  ? __kasan_kmalloc (mm/kasan/common.c:398 mm/kasan/common.c:415)
[  779.198259][T12248]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[  779.198261][T12248]  ? snd_ac97_proc_read_main (sound/pci/ac97/ac97_proc.c:320)
[  779.198264][T12248]  ? ___sys_sendmsg (net/socket.c:2758)
[  779.198268][T12248]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2))
[  779.198270][T12248]  ? rtnl_newlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:366 net/core/rtnetlink.c:4214)
[  779.198272][T12248]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  779.198274][T12248]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  779.198276][T12248]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  779.198277][T12248]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  779.198279][T12248]  ? trace_contention_end (./include/trace/events/lock.h:121 (discriminator 22))
[  779.198281][T12248]  ? __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)
[  779.198282][T12248]  ? __mutex_lock (kernel/locking/mutex.c:656 (discriminator 1) kernel/locking/mutex.c:821 (discriminator 1))
[  779.198284][T12248]  ? rtnl_newlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:366 net/core/rtnetlink.c:4214)
[  779.198288][T12248]  ? ww_mutex_lock (kernel/locking/mutex.c:934)
[  779.198289][T12248]  ? nla_get_range_signed (lib/nlattr.c:270)
[  779.198294][T12248]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  779.198297][T12248]  ? __rtnl_newlink (net/core/rtnetlink.c:4063)
[  779.198302][T12248]  rtnl_newlink (net/core/rtnetlink.c:4215)
[  779.198307][T12248]  ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558)
[  779.198309][T12248]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[  779.198313][T12248]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2))
[  779.198315][T12248]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[  779.198317][T12248]  ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558)
[  779.198319][T12248]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554)
[  779.198323][T12248]  ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558)
[  779.198325][T12248]  rtnetlink_rcv_msg (net/core/rtnetlink.c:7132)
[  779.198328][T12248]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[  779.198330][T12248]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[  779.198334][T12248]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2))
[  779.198336][T12248]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[  779.198339][T12248]  netlink_rcv_skb (net/netlink/af_netlink.c:2556)
[  779.198343][T12248]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[  779.198346][T12248]  ? netlink_ack (./include/linux/skbuff.h:2718)
[  779.198352][T12248]  ? 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))
[  779.198354][T12248]  ? 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))
[  779.198358][T12248]  netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[  779.198362][T12248]  ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[  779.198365][T12248]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[  779.198369][T12248]  netlink_sendmsg (net/netlink/af_netlink.c:1900)
[  779.198373][T12248]  ? netlink_unicast (./include/net/net_namespace.h:422 (discriminator 7))
[  779.198377][T12248]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554)
[  779.198379][T12248]  ? __import_iovec (lib/iov_iter.c:1358 lib/iov_iter.c:1373)
[  779.198384][T12248]  __sock_sendmsg (net/socket.c:800 (discriminator 4) net/socket.c:815 (discriminator 4))
[  779.198387][T12248]  ____sys_sendmsg (net/socket.c:2713)
[  779.198389][T12248]  ? copy_msghdr_from_user (net/socket.c:2650)
[  779.198391][T12248]  ? sock_write_iter (net/socket.c:1269)
[  779.198393][T12248]  ? move_addr_to_kernel (net/socket.c:258)
[  779.198400][T12248]  ___sys_sendmsg (net/socket.c:2767)
[  779.198403][T12248]  ? copy_msghdr_from_user (net/socket.c:2619)
[  779.198419][T12248]  __sys_sendmsg (net/socket.c:2799)
[  779.198421][T12248]  ? __sys_sendmsg_sock (net/socket.c:2780)
[  779.198428][T12248]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  779.198431][T12248]  do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84)
[  779.198434][T12248]  ? exc_page_fault (arch/x86/mm/fault.c:1489 (discriminator 3) arch/x86/mm/fault.c:1536 (discriminator 3))
[  779.198436][T12248]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[  779.198439][T12248] RIP: 0033:0x7f719c3fb54e
[  779.198443][T12248] 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
[  779.198445][T12248] RSP: 002b:00007ffe3b36d720 EFLAGS: 00000202 ORIG_RAX: 000000000000002e
[  779.198448][T12248] RAX: ffffffffffffffda RBX: 0000000000000005 RCX: 00007f719c3fb54e
[  779.198449][T12248] RDX: 0000000000000000 RSI: 00007ffe3b36d7d0 RDI: 0000000000000005
[  779.198450][T12248] RBP: 00007ffe3b36d730 R08: 0000000000000000 R09: 0000000000000000
[  779.198451][T12248] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a90d92a
[  779.198452][T12248] R13: 00000000004a1620 R14: 0000000000000000 R15: 00007ffe3b36dea0
| [  788.938937][T12391] softirqs last disabled at (18996): netif_change_name (./include/linux/spinlock.h:353 ./include/linux/seqlock.h:908 net/core/dev.c:1499)
| [  788.938940][T12391] Preemption disabled at:
| [  788.938940][T12391] vprintk_emit (kernel/printk/printk.c:2471)
| [  788.938948][T12391] Tainted: [W]=WARN
[  788.938949][T12391] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[  788.938951][T12391] Call Trace:
[  788.938953][T12391]  <TASK>
[  788.938954][T12391]  dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120)
[  788.938961][T12391]  ? vprintk_emit (kernel/printk/printk.c:2471)
[  788.938962][T12391]  __might_resched.cold (kernel/sched/core.c:9234)
[  788.938967][T12391]  ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3))
[  788.938972][T12391]  ? __kmalloc_noprof (./include/linux/sched/mm.h:317 mm/slub.c:4636 mm/slub.c:4974 mm/slub.c:5413 mm/slub.c:5439)
[  788.938976][T12391]  __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))
[  788.938978][T12391]  ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[  788.938985][T12391]  ? 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)
[  788.938988][T12391]  alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[  788.938992][T12391]  put_chars (drivers/char/virtio_console.c:1176)
[  788.938994][T12391]  ? __send_to_port (drivers/char/virtio_console.c:654)
[  788.939001][T12391]  hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2))
[  788.939008][T12391]  ? hvc_write (drivers/tty/hvc/hvc_console.c:501)
[  788.939012][T12391]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  788.939016][T12391]  console_emit_next_record (kernel/printk/printk.c:3183)
[  788.939021][T12391]  ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20)
[  788.939023][T12391]  ? 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))
[  788.939026][T12391]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  788.939029][T12391]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  788.939033][T12391]  console_flush_one_record (kernel/printk/printk.c:3268)
[  788.939037][T12391]  ? console_emit_next_record (kernel/printk/printk.c:3150)
[  788.939039][T12391]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[  788.939045][T12391]  console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420)
[  788.939048][T12391]  ? console_flush_one_record (kernel/printk/printk.c:3316)
[  788.939050][T12391]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  788.939051][T12391]  ? 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)
[  788.939055][T12391]  ? __down_trylock_console_sem (kernel/printk/printk.c:334)
[  788.939057][T12391]  ? vprintk_emit (kernel/printk/printk.c:2478)
[  788.939060][T12391]  vprintk_emit (kernel/printk/printk.c:2479)
[  788.939063][T12391]  ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126))
[  788.939066][T12391]  ? _mutex_trylock_nest_lock (kernel/locking/mutex.c:1227 (discriminator 6))
[  788.939071][T12391]  _printk (kernel/printk/printk.c:2504)
[  788.939075][T12391]  ? snapshot_read.cold (user.c:?)
[  788.939077][T12391]  ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4116 (discriminator 3) kernel/rcu/tree.c:4108 (discriminator 3))
[  788.939080][T12391]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380)
[  788.939082][T12391]  ? validate_chain (kernel/locking/lockdep.c:3817 (discriminator 2) kernel/locking/lockdep.c:3837 (discriminator 2) kernel/locking/lockdep.c:3892 (discriminator 2))
[  788.939085][T12391]  ? netdev_name (./include/linux/netdevice.h:5709 (discriminator 1))
[  788.939089][T12391]  ? __netdev_printk (net/core/dev.c:13148 (discriminator 2))
[  788.939091][T12391]  ? do_setlink.isra.0 (net/core/rtnetlink.c:3246)
[  788.939094][T12391]  netdev_info (net/core/dev.c:13195 (discriminator 3))
[  788.939097][T12391]  ? netdev_notice (net/core/dev.c:13194)
[  788.939100][T12391]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[  788.939103][T12391]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554)
[  788.939105][T12391]  ? mark_held_locks (kernel/locking/lockdep.c:4341)
[  788.939109][T12391]  ? do_setlink.isra.0 (net/core/rtnetlink.c:3246)
[  788.939111][T12391]  netif_change_name.cold (net/core/dev.c:1507 (discriminator 3))
[  788.939113][T12391]  ? register_netdev (net/core/dev.c:11618)
[  788.939115][T12391]  ? 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))
[  788.939120][T12391]  ? netdev_adjacent_rename_links (net/core/dev.c:9598)
[  788.939123][T12391]  ? __kernel_text_address (kernel/extable.c:79)
[  788.939126][T12391]  ? write_profile (profile.c:?)
[  788.939130][T12391]  ? __asan_memset (mm/kasan/shadow.c:84 (discriminator 1))
[  788.939136][T12391]  do_setlink.isra.0 (net/core/rtnetlink.c:3246)
[  788.939139][T12391]  ? stack_trace_save (kernel/stacktrace.c:122 (discriminator 1))
[  788.939141][T12391]  ? rtnl_link_get_size (net/core/rtnetlink.c:747)
[  788.939143][T12391]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:388 kernel/rcu/update.c:380)
[  788.939145][T12391]  ? stack_depot_save_flags (lib/stackdepot.c:609 (discriminator 2) lib/stackdepot.c:676 (discriminator 2))
[  788.939149][T12391]  ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4116 (discriminator 3) kernel/rcu/tree.c:4108 (discriminator 3))
[  788.939151][T12391]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380)
[  788.939153][T12391]  ? validate_chain (kernel/locking/lockdep.c:3817 (discriminator 2) kernel/locking/lockdep.c:3837 (discriminator 2) kernel/locking/lockdep.c:3892 (discriminator 2))
[  788.939156][T12391]  ? kasan_save_stack (mm/kasan/common.c:58)
[  788.939158][T12391]  ? kasan_save_stack (mm/kasan/common.c:57)
[  788.939159][T12391]  ? kasan_save_track (mm/kasan/common.c:78)
[  788.939161][T12391]  ? __kasan_kmalloc (mm/kasan/common.c:398 mm/kasan/common.c:415)
[  788.939163][T12391]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[  788.939165][T12391]  ? snd_ac97_proc_read_main (sound/pci/ac97/ac97_proc.c:320)
[  788.939168][T12391]  ? ___sys_sendmsg (net/socket.c:2758)
[  788.939172][T12391]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2))
[  788.939174][T12391]  ? rtnl_newlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:366 net/core/rtnetlink.c:4214)
[  788.939177][T12391]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  788.939178][T12391]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  788.939180][T12391]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  788.939181][T12391]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  788.939183][T12391]  ? trace_contention_end (./include/trace/events/lock.h:121 (discriminator 22))
[  788.939185][T12391]  ? __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)
[  788.939187][T12391]  ? __mutex_lock (kernel/locking/mutex.c:656 (discriminator 1) kernel/locking/mutex.c:821 (discriminator 1))
[  788.939189][T12391]  ? rtnl_newlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:366 net/core/rtnetlink.c:4214)
[  788.939192][T12391]  ? ww_mutex_lock (kernel/locking/mutex.c:934)
[  788.939193][T12391]  ? nla_get_range_signed (lib/nlattr.c:270)
[  788.939199][T12391]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  788.939201][T12391]  ? __rtnl_newlink (net/core/rtnetlink.c:4063)
[  788.939212][T12391]  rtnl_newlink (net/core/rtnetlink.c:4215)
[  788.939217][T12391]  ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558)
[  788.939219][T12391]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[  788.939224][T12391]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2))
[  788.939226][T12391]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[  788.939228][T12391]  ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558)
[  788.939230][T12391]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554)
[  788.939234][T12391]  ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558)
[  788.939236][T12391]  rtnetlink_rcv_msg (net/core/rtnetlink.c:7132)
[  788.939239][T12391]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[  788.939241][T12391]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[  788.939245][T12391]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2))
[  788.939250][T12391]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[  788.939254][T12391]  netlink_rcv_skb (net/netlink/af_netlink.c:2556)
[  788.939257][T12391]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[  788.939260][T12391]  ? netlink_ack (./include/linux/skbuff.h:2718)
[  788.939267][T12391]  ? 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))
[  788.939269][T12391]  ? 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))
[  788.939274][T12391]  netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[  788.939278][T12391]  ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[  788.939280][T12391]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[  788.939285][T12391]  netlink_sendmsg (net/netlink/af_netlink.c:1900)
[  788.939289][T12391]  ? netlink_unicast (./include/net/net_namespace.h:422 (discriminator 7))
[  788.939293][T12391]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554)
[  788.939295][T12391]  ? __import_iovec (lib/iov_iter.c:1358 lib/iov_iter.c:1373)
[  788.939300][T12391]  __sock_sendmsg (net/socket.c:800 (discriminator 4) net/socket.c:815 (discriminator 4))
[  788.939303][T12391]  ____sys_sendmsg (net/socket.c:2713)
[  788.939305][T12391]  ? copy_msghdr_from_user (net/socket.c:2650)
[  788.939308][T12391]  ? sock_write_iter (net/socket.c:1269)
[  788.939309][T12391]  ? move_addr_to_kernel (net/socket.c:258)
[  788.939317][T12391]  ___sys_sendmsg (net/socket.c:2767)
[  788.939320][T12391]  ? copy_msghdr_from_user (net/socket.c:2619)
[  788.939336][T12391]  __sys_sendmsg (net/socket.c:2799)
[  788.939338][T12391]  ? __sys_sendmsg_sock (net/socket.c:2780)
[  788.939345][T12391]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  788.939348][T12391]  do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84)
[  788.939351][T12391]  ? exc_page_fault (arch/x86/mm/fault.c:1489 (discriminator 3) arch/x86/mm/fault.c:1536 (discriminator 3))
[  788.939354][T12391]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[  788.939356][T12391] RIP: 0033:0x7fe2657bc54e
[  788.939360][T12391] 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
[  788.939363][T12391] RSP: 002b:00007ffd6ea0edb0 EFLAGS: 00000202 ORIG_RAX: 000000000000002e
[  788.939366][T12391] RAX: ffffffffffffffda RBX: 0000000000000005 RCX: 00007fe2657bc54e
[  788.939367][T12391] RDX: 0000000000000000 RSI: 00007ffd6ea0ee60 RDI: 0000000000000005
[  788.939368][T12391] RBP: 00007ffd6ea0edc0 R08: 0000000000000000 R09: 0000000000000000
[  788.939369][T12391] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a90d934


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