======================================
| [   10.257735][  T215] softirqs last disabled at (20731): __irq_exit_rcu (kernel/softirq.c:679 kernel/softirq.c:519 kernel/softirq.c:767)
| [   10.257737][  T215] Preemption disabled at:
| [   10.257737][  T215] 0x0
| [   10.257748][  T215] Tainted: [W]=WARN
[   10.257749][  T215] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   10.257751][  T215] Call Trace:
[   10.257753][  T215]  <TASK>
[   10.257754][  T215]  dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120)
[   10.257760][  T215]  __might_resched.cold (kernel/sched/core.c:9234)
[   10.257765][  T215]  ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3))
[   10.257769][  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)
[   10.257773][  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))
[   10.257774][  T215]  ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[   10.257781][  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)
[   10.257784][  T215]  alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[   10.257788][  T215]  put_chars (drivers/char/virtio_console.c:1176)
[   10.257790][  T215]  ? __send_to_port (drivers/char/virtio_console.c:654)
[   10.257792][  T215]  ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4116 (discriminator 3) kernel/rcu/tree.c:4108 (discriminator 3))
[   10.257795][  T215]  ? validate_chain (kernel/locking/lockdep.c:3817 (discriminator 2) kernel/locking/lockdep.c:3837 (discriminator 2) kernel/locking/lockdep.c:3892 (discriminator 2))
[   10.257800][  T215]  hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2))
[   10.257808][  T215]  ? hvc_write (drivers/tty/hvc/hvc_console.c:501)
[   10.257811][  T215]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   10.257812][  T215]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   10.257816][  T215]  console_emit_next_record (kernel/printk/printk.c:3183)
[   10.257820][  T215]  ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20)
[   10.257822][  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))
[   10.257825][  T215]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   10.257827][  T215]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   10.257831][  T215]  console_flush_one_record (kernel/printk/printk.c:3268)
[   10.257835][  T215]  ? console_emit_next_record (kernel/printk/printk.c:3150)
[   10.257837][  T215]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   10.257842][  T215]  console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420)
[   10.257845][  T215]  ? console_flush_one_record (kernel/printk/printk.c:3316)
[   10.257846][  T215]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   10.257848][  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)
[   10.257852][  T215]  ? __down_trylock_console_sem (kernel/printk/printk.c:334)
[   10.257853][  T215]  ? vprintk_emit (kernel/printk/printk.c:2478)
[   10.257856][  T215]  vprintk_emit (kernel/printk/printk.c:2479)
[   10.257859][  T215]  ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126))
[   10.257862][  T215]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   10.257866][  T215]  _printk (kernel/printk/printk.c:2504)
[   10.257869][  T215]  ? snapshot_read.cold (user.c:?)
[   10.257872][  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)
[   10.257875][  T215]  ? __rwlock_init (kernel/locking/spinlock_debug.c:48)
[   10.257878][  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)
[   10.257881][  T215]  do_exit.cold (kernel/exit.c:889 (discriminator 4) kernel/exit.c:1043 (discriminator 4))
[   10.257885][  T215]  ? exit_notify (kernel/exit.c:780)
[   10.257886][  T215]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554)
[   10.257889][  T215]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   10.257892][  T215]  do_group_exit (kernel/exit.c:1151)
[   10.257895][  T215]  __x64_sys_exit_group (kernel/exit.c:1162 kernel/exit.c:1160 kernel/exit.c:1160)
[   10.257897][  T215]  x64_sys_call (./arch/x86/include/generated/asm/syscalls_64.h:232)
[   10.257899][  T215]  do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84)
[   10.257903][  T215]  ? exc_page_fault (arch/x86/mm/fault.c:1489 (discriminator 3) arch/x86/mm/fault.c:1536 (discriminator 3))
[   10.257906][  T215]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[   10.257909][  T215] RIP: 0033:0x7f419ccc81b8
[   10.257911][  T215] Code: Unable to access opcode bytes at 0x7f419ccc818e.

Code starting with the faulting instruction
===========================================
[   10.257912][  T215] RSP: 002b:00007ffd2fb73448 EFLAGS: 00000246 ORIG_RAX: 00000000000000e7
[   10.257914][  T215] RAX: ffffffffffffffda RBX: 00007f419cdf8f88 RCX: 00007f419ccc81b8
[   10.257915][  T215] RDX: 00007f419ca12fc8 RSI: fffffffffffffeb8 RDI: 0000000000000000
[   10.257916][  T215] RBP: 00007ffd2fb734a0 R08: 0000000000000000 R09: 0000000000000050
[   10.257917][  T215] R10: 00007ffd2fb73260 R11: 0000000000000246 R12: 0000000000000001
[   10.257918][  T215] R13: 0000000000000000 R14: 00007f419cdf7680 R15: 00007f419cdf8fa0
| [   11.403374][  T245] softirqs last disabled at (19664): netif_change_name (./include/linux/spinlock.h:353 ./include/linux/seqlock.h:908 net/core/dev.c:1499)
| [   11.403377][  T245] Preemption disabled at:
| [   11.403378][  T245] vprintk_emit (kernel/printk/printk.c:2471)
| [   11.403386][  T245] Tainted: [W]=WARN
[   11.403387][  T245] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   11.403389][  T245] Call Trace:
[   11.403391][  T245]  <TASK>
[   11.403392][  T245]  dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120)
[   11.403398][  T245]  ? vprintk_emit (kernel/printk/printk.c:2471)
[   11.403400][  T245]  __might_resched.cold (kernel/sched/core.c:9234)
[   11.403404][  T245]  ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3))
[   11.403409][  T245]  ? __kmalloc_noprof (./include/linux/sched/mm.h:317 mm/slub.c:4636 mm/slub.c:4974 mm/slub.c:5413 mm/slub.c:5439)
[   11.403413][  T245]  __kmalloc_noprof (./include/linux/sched/mm.h:322 (discriminator 2) mm/slub.c:4636 (discriminator 2) mm/slub.c:4974 (discriminator 2) mm/slub.c:5413 (discriminator 2) mm/slub.c:5439 (discriminator 2))
[   11.403415][  T245]  ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[   11.403422][  T245]  ? do_raw_spin_unlock (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:32 ./include/asm-generic/qspinlock.h:58 kernel/locking/spinlock_debug.c:101 kernel/locking/spinlock_debug.c:141)
[   11.403425][  T245]  alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[   11.403429][  T245]  put_chars (drivers/char/virtio_console.c:1176)
[   11.403432][  T245]  ? __send_to_port (drivers/char/virtio_console.c:654)
[   11.403438][  T245]  hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2))
[   11.403446][  T245]  ? hvc_write (drivers/tty/hvc/hvc_console.c:501)
[   11.403450][  T245]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   11.403454][  T245]  console_emit_next_record (kernel/printk/printk.c:3183)
[   11.403458][  T245]  ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20)
[   11.403460][  T245]  ? console_flush_one_record (./include/linux/rcupdate.h:314 (discriminator 2) ./include/linux/srcu.h:439 (discriminator 2) kernel/printk/printk.c:291 (discriminator 2) kernel/printk/printk.c:3246 (discriminator 2))
[   11.403463][  T245]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   11.403466][  T245]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   11.403470][  T245]  console_flush_one_record (kernel/printk/printk.c:3268)
[   11.403475][  T245]  ? console_emit_next_record (kernel/printk/printk.c:3150)
[   11.403477][  T245]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   11.403482][  T245]  console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420)
[   11.403485][  T245]  ? console_flush_one_record (kernel/printk/printk.c:3316)
[   11.403487][  T245]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   11.403489][  T245]  ? lock_acquire (./include/linux/srcutree.h:374 ./include/linux/srcu.h:541 ./include/linux/srcu.h:645 ./include/trace/events/lock.h:23 ./include/trace/events/lock.h:23 kernel/locking/lockdep.c:5871)
[   11.403493][  T245]  ? __down_trylock_console_sem (kernel/printk/printk.c:334)
[   11.403495][  T245]  ? vprintk_emit (kernel/printk/printk.c:2478)
[   11.403497][  T245]  vprintk_emit (kernel/printk/printk.c:2479)
[   11.403500][  T245]  ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126))
[   11.403503][  T245]  ? save_trace (kernel/locking/lockdep.c:589)
[   11.403507][  T245]  _printk (kernel/printk/printk.c:2504)
[   11.403511][  T245]  ? snapshot_read.cold (user.c:?)
[   11.403514][  T245]  ? validate_chain (kernel/locking/lockdep.c:159 kernel/locking/lockdep.c:191 kernel/locking/lockdep.c:3928)
[   11.403517][  T245]  ? netdev_name (./include/linux/netdevice.h:5709 (discriminator 1))
[   11.403526][  T245]  ? __netdev_printk (net/core/dev.c:13148 (discriminator 2))
[   11.403529][  T245]  ? do_setlink.isra.0 (net/core/rtnetlink.c:3246)
[   11.403531][  T245]  netdev_info (net/core/dev.c:13195 (discriminator 3))
[   11.403534][  T245]  ? netdev_notice (net/core/dev.c:13194)
[   11.403537][  T245]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[   11.403540][  T245]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554)
[   11.403543][  T245]  ? mark_held_locks (kernel/locking/lockdep.c:4341)
[   11.403546][  T245]  ? do_setlink.isra.0 (net/core/rtnetlink.c:3246)
[   11.403548][  T245]  netif_change_name.cold (net/core/dev.c:1507 (discriminator 3))
[   11.403551][  T245]  ? register_netdev (net/core/dev.c:11618)
[   11.403552][  T245]  ? is_bpf_text_address (./include/linux/rcupdate.h:319 (discriminator 2) ./include/linux/rcupdate.h:880 (discriminator 2) kernel/bpf/core.c:751 (discriminator 2))
[   11.403558][  T245]  ? netdev_adjacent_rename_links (net/core/dev.c:9598)
[   11.403560][  T245]  ? __kernel_text_address (kernel/extable.c:79)
[   11.403563][  T245]  ? write_profile (profile.c:?)
[   11.403567][  T245]  ? __asan_memset (mm/kasan/shadow.c:84 (discriminator 1))
[   11.403573][  T245]  do_setlink.isra.0 (net/core/rtnetlink.c:3246)
[   11.403576][  T245]  ? stack_trace_save (kernel/stacktrace.c:122 (discriminator 1))
[   11.403579][  T245]  ? rtnl_link_get_size (net/core/rtnetlink.c:747)
[   11.403580][  T245]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:388 kernel/rcu/update.c:380)
[   11.403583][  T245]  ? stack_depot_save_flags (lib/stackdepot.c:609 (discriminator 2) lib/stackdepot.c:676 (discriminator 2))
[   11.403586][  T245]  ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4116 (discriminator 3) kernel/rcu/tree.c:4108 (discriminator 3))
[   11.403589][  T245]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380)
[   11.403590][  T245]  ? validate_chain (kernel/locking/lockdep.c:3817 (discriminator 2) kernel/locking/lockdep.c:3837 (discriminator 2) kernel/locking/lockdep.c:3892 (discriminator 2))
[   11.403593][  T245]  ? kasan_save_stack (mm/kasan/common.c:58)
[   11.403595][  T245]  ? kasan_save_stack (mm/kasan/common.c:57)
[   11.403596][  T245]  ? kasan_save_track (mm/kasan/common.c:78)
[   11.403597][  T245]  ? __kasan_kmalloc (mm/kasan/common.c:398 mm/kasan/common.c:415)
[   11.403600][  T245]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   11.403602][  T245]  ? snd_ac97_proc_read_main (sound/pci/ac97/ac97_proc.c:320)
[   11.403605][  T245]  ? ___sys_sendmsg (net/socket.c:2758)
[   11.403609][  T245]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2))
[   11.403611][  T245]  ? rtnl_newlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:366 net/core/rtnetlink.c:4214)
[   11.403614][  T245]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   11.403615][  T245]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   11.403617][  T245]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   11.403618][  T245]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   11.403620][  T245]  ? trace_contention_end (./include/trace/events/lock.h:121 (discriminator 22))
[   11.403622][  T245]  ? __mutex_lock (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:3188 kernel/locking/mutex.c:89 kernel/locking/mutex.c:134 kernel/locking/mutex.c:649 kernel/locking/mutex.c:821)
[   11.403625][  T245]  ? __mutex_lock (kernel/locking/mutex.c:656 (discriminator 1) kernel/locking/mutex.c:821 (discriminator 1))
[   11.403627][  T245]  ? rtnl_newlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:366 net/core/rtnetlink.c:4214)
[   11.403630][  T245]  ? ww_mutex_lock (kernel/locking/mutex.c:934)
[   11.403631][  T245]  ? nla_get_range_signed (lib/nlattr.c:270)
[   11.403637][  T245]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   11.403639][  T245]  ? __rtnl_newlink (net/core/rtnetlink.c:4063)
[   11.403644][  T245]  rtnl_newlink (net/core/rtnetlink.c:4215)
[   11.403650][  T245]  ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558)
[   11.403652][  T245]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   11.403656][  T245]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2))
[   11.403658][  T245]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[   11.403660][  T245]  ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558)
[   11.403662][  T245]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554)
[   11.403666][  T245]  ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558)
[   11.403668][  T245]  rtnetlink_rcv_msg (net/core/rtnetlink.c:7132)
[   11.403671][  T245]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   11.403673][  T245]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   11.403677][  T245]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2))
[   11.403679][  T245]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[   11.403683][  T245]  netlink_rcv_skb (net/netlink/af_netlink.c:2556)
[   11.403686][  T245]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   11.403689][  T245]  ? netlink_ack (./include/linux/skbuff.h:2718)
[   11.403695][  T245]  ? netlink_deliver_tap (./include/linux/rcupdate.h:319 (discriminator 2) ./include/linux/rcupdate.h:880 (discriminator 2) ./include/net/netns/generic.h:48 (discriminator 2) net/netlink/af_netlink.c:334 (discriminator 2))
[   11.403698][  T245]  ? netlink_deliver_tap (./include/linux/rcupdate.h:319 (discriminator 2) ./include/linux/rcupdate.h:880 (discriminator 2) net/netlink/af_netlink.c:341 (discriminator 2))
[   11.403702][  T245]  netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[   11.403706][  T245]  ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[   11.403709][  T245]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[   11.403713][  T245]  netlink_sendmsg (net/netlink/af_netlink.c:1900)
[   11.403717][  T245]  ? netlink_unicast (./include/net/net_namespace.h:422 (discriminator 7))
[   11.403721][  T245]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554)
[   11.403723][  T245]  ? __import_iovec (lib/iov_iter.c:1358 lib/iov_iter.c:1373)
[   11.403729][  T245]  __sock_sendmsg (net/socket.c:800 (discriminator 4) net/socket.c:815 (discriminator 4))
[   11.403731][  T245]  ____sys_sendmsg (net/socket.c:2713)
[   11.403734][  T245]  ? copy_msghdr_from_user (net/socket.c:2650)
[   11.403736][  T245]  ? sock_write_iter (net/socket.c:1269)
[   11.403738][  T245]  ? move_addr_to_kernel (net/socket.c:258)
[   11.403745][  T245]  ___sys_sendmsg (net/socket.c:2767)
[   11.403748][  T245]  ? copy_msghdr_from_user (net/socket.c:2619)
[   11.403764][  T245]  __sys_sendmsg (net/socket.c:2799)
[   11.403767][  T245]  ? __sys_sendmsg_sock (net/socket.c:2780)
[   11.403773][  T245]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   11.403777][  T245]  do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84)
[   11.403780][  T245]  ? exc_page_fault (arch/x86/mm/fault.c:1489 (discriminator 3) arch/x86/mm/fault.c:1536 (discriminator 3))
[   11.403783][  T245]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[   11.403785][  T245] RIP: 0033:0x7f27aa62a54e
[   11.403789][  T245] Code: 4d 89 d8 e8 b4 bd 00 00 4c 8b 5d f8 41 8b 93 08 03 00 00 59 5e 48 83 f8 fc 74 11 c9 c3 0f 1f 80 00 00 00 00 48 8b 45 10 0f 05 <c9> c3 83 e2 39 83 fa 08 75 e7 e8 03 ff ff ff 0f 1f 00 f3 0f 1e fa
All code
========
   0:	4d 89 d8             	mov    %r11,%r8
   3:	e8 b4 bd 00 00       	call   0xbdbc
   8:	4c 8b 5d f8          	mov    -0x8(%rbp),%r11
   c:	41 8b 93 08 03 00 00 	mov    0x308(%r11),%edx
  13:	59                   	pop    %rcx
  14:	5e                   	pop    %rsi
  15:	48 83 f8 fc          	cmp    $0xfffffffffffffffc,%rax
  19:	74 11                	je     0x2c
  1b:	c9                   	leave
  1c:	c3                   	ret
  1d:	0f 1f 80 00 00 00 00 	nopl   0x0(%rax)
  24:	48 8b 45 10          	mov    0x10(%rbp),%rax
  28:	0f 05                	syscall
  2a:*	c9                   	leave		<-- trapping instruction
  2b:	c3                   	ret
  2c:	83 e2 39             	and    $0x39,%edx
  2f:	83 fa 08             	cmp    $0x8,%edx
  32:	75 e7                	jne    0x1b
  34:	e8 03 ff ff ff       	call   0xffffffffffffff3c
  39:	0f 1f 00             	nopl   (%rax)
  3c:	f3 0f 1e fa          	endbr64

Code starting with the faulting instruction
===========================================
   0:	c9                   	leave
   1:	c3                   	ret
   2:	83 e2 39             	and    $0x39,%edx
   5:	83 fa 08             	cmp    $0x8,%edx
   8:	75 e7                	jne    0xfffffffffffffff1
   a:	e8 03 ff ff ff       	call   0xffffffffffffff12
   f:	0f 1f 00             	nopl   (%rax)
  12:	f3 0f 1e fa          	endbr64
[   11.403791][  T245] RSP: 002b:00007ffc51c9c500 EFLAGS: 00000202 ORIG_RAX: 000000000000002e
[   11.403793][  T245] RAX: ffffffffffffffda RBX: 0000000000000005 RCX: 00007f27aa62a54e
[   11.403795][  T245] RDX: 0000000000000000 RSI: 00007ffc51c9c5b0 RDI: 0000000000000005
[   11.403796][  T245] RBP: 00007ffc51c9c510 R08: 0000000000000000 R09: 0000000000000000
[   11.403796][  T245] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a910fce
[   11.403797][  T245] R13: 00000000004a1620 R14: 0000000000000000 R15: 00007ffc51c9cc80
| [   29.695086][  T641] softirqs last disabled at (27628): netif_change_name (./include/linux/spinlock.h:353 ./include/linux/seqlock.h:908 net/core/dev.c:1499)
| [   29.695090][  T641] Preemption disabled at:
| [   29.695090][  T641] vprintk_emit (kernel/printk/printk.c:2471)
| [   29.695102][  T641] Tainted: [W]=WARN
[   29.695103][  T641] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   29.695105][  T641] Call Trace:
[   29.695107][  T641]  <TASK>
[   29.695110][  T641]  dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120)
[   29.695117][  T641]  ? vprintk_emit (kernel/printk/printk.c:2471)
[   29.695120][  T641]  __might_resched.cold (kernel/sched/core.c:9234)
[   29.695126][  T641]  ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3))
[   29.695135][  T641]  ? __kmalloc_noprof (./include/linux/sched/mm.h:317 mm/slub.c:4636 mm/slub.c:4974 mm/slub.c:5413 mm/slub.c:5439)
[   29.695142][  T641]  __kmalloc_noprof (./include/linux/sched/mm.h:322 (discriminator 2) mm/slub.c:4636 (discriminator 2) mm/slub.c:4974 (discriminator 2) mm/slub.c:5413 (discriminator 2) mm/slub.c:5439 (discriminator 2))
[   29.695145][  T641]  ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[   29.695155][  T641]  ? do_raw_spin_unlock (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:32 ./include/asm-generic/qspinlock.h:58 kernel/locking/spinlock_debug.c:101 kernel/locking/spinlock_debug.c:141)
[   29.695159][  T641]  alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[   29.695165][  T641]  put_chars (drivers/char/virtio_console.c:1176)
[   29.695170][  T641]  ? __send_to_port (drivers/char/virtio_console.c:654)
[   29.695181][  T641]  hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2))
[   29.695194][  T641]  ? hvc_write (drivers/tty/hvc/hvc_console.c:501)
[   29.695199][  T641]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   29.695207][  T641]  console_emit_next_record (kernel/printk/printk.c:3183)
[   29.695213][  T641]  ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20)
[   29.695216][  T641]  ? console_flush_one_record (./include/linux/rcupdate.h:314 (discriminator 2) ./include/linux/srcu.h:439 (discriminator 2) kernel/printk/printk.c:291 (discriminator 2) kernel/printk/printk.c:3246 (discriminator 2))
[   29.695222][  T641]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   29.695226][  T641]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   29.695233][  T641]  console_flush_one_record (kernel/printk/printk.c:3268)
[   29.695241][  T641]  ? console_emit_next_record (kernel/printk/printk.c:3150)
[   29.695243][  T641]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   29.695253][  T641]  console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420)
[   29.695258][  T641]  ? console_flush_one_record (kernel/printk/printk.c:3316)
[   29.695261][  T641]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   29.695264][  T641]  ? 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)
[   29.695270][  T641]  ? __down_trylock_console_sem (kernel/printk/printk.c:334)
[   29.695273][  T641]  ? vprintk_emit (kernel/printk/printk.c:2478)
[   29.695278][  T641]  vprintk_emit (kernel/printk/printk.c:2479)
[   29.695284][  T641]  ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126))
[   29.695289][  T641]  ? _mutex_trylock_nest_lock (kernel/locking/mutex.c:1227 (discriminator 6))
[   29.695297][  T641]  _printk (kernel/printk/printk.c:2504)
[   29.695302][  T641]  ? snapshot_read.cold (user.c:?)
[   29.695305][  T641]  ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4116 (discriminator 3) kernel/rcu/tree.c:4108 (discriminator 3))
[   29.695310][  T641]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380)
[   29.695314][  T641]  ? validate_chain (kernel/locking/lockdep.c:3817 (discriminator 2) kernel/locking/lockdep.c:3837 (discriminator 2) kernel/locking/lockdep.c:3892 (discriminator 2))
[   29.695317][  T641]  ? netdev_name (./include/linux/netdevice.h:5709 (discriminator 1))
[   29.695323][  T641]  ? __netdev_printk (net/core/dev.c:13148 (discriminator 2))
[   29.695328][  T641]  ? do_setlink.isra.0 (net/core/rtnetlink.c:3246)
[   29.695332][  T641]  netdev_info (net/core/dev.c:13195 (discriminator 3))
[   29.695336][  T641]  ? netdev_notice (net/core/dev.c:13194)
[   29.695341][  T641]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[   29.695346][  T641]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554)
[   29.695350][  T641]  ? mark_held_locks (kernel/locking/lockdep.c:4341)
[   29.695356][  T641]  ? do_setlink.isra.0 (net/core/rtnetlink.c:3246)
[   29.695360][  T641]  netif_change_name.cold (net/core/dev.c:1507 (discriminator 3))
[   29.695363][  T641]  ? register_netdev (net/core/dev.c:11618)
[   29.695366][  T641]  ? is_bpf_text_address (./include/linux/rcupdate.h:319 (discriminator 2) ./include/linux/rcupdate.h:880 (discriminator 2) kernel/bpf/core.c:751 (discriminator 2))
[   29.695374][  T641]  ? netdev_adjacent_rename_links (net/core/dev.c:9598)
[   29.695378][  T641]  ? __kernel_text_address (kernel/extable.c:79)
[   29.695382][  T641]  ? write_profile (profile.c:?)
[   29.695388][  T641]  ? __asan_memset (mm/kasan/shadow.c:84 (discriminator 1))
[   29.695396][  T641]  do_setlink.isra.0 (net/core/rtnetlink.c:3246)
[   29.695403][  T641]  ? stack_trace_save (kernel/stacktrace.c:122 (discriminator 1))
[   29.695406][  T641]  ? rtnl_link_get_size (net/core/rtnetlink.c:747)
[   29.695408][  T641]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:388 kernel/rcu/update.c:380)
[   29.695411][  T641]  ? stack_depot_save_flags (lib/stackdepot.c:609 (discriminator 2) lib/stackdepot.c:676 (discriminator 2))
[   29.695416][  T641]  ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4116 (discriminator 3) kernel/rcu/tree.c:4108 (discriminator 3))
[   29.695420][  T641]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380)
[   29.695423][  T641]  ? validate_chain (kernel/locking/lockdep.c:3817 (discriminator 2) kernel/locking/lockdep.c:3837 (discriminator 2) kernel/locking/lockdep.c:3892 (discriminator 2))
[   29.695427][  T641]  ? kasan_save_stack (mm/kasan/common.c:58)
[   29.695430][  T641]  ? kasan_save_stack (mm/kasan/common.c:57)
[   29.695432][  T641]  ? kasan_save_track (mm/kasan/common.c:78)
[   29.695434][  T641]  ? __kasan_kmalloc (mm/kasan/common.c:398 mm/kasan/common.c:415)
[   29.695438][  T641]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   29.695441][  T641]  ? snd_ac97_proc_read_main (sound/pci/ac97/ac97_proc.c:320)
[   29.695445][  T641]  ? ___sys_sendmsg (net/socket.c:2758)
[   29.695452][  T641]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2))
[   29.695455][  T641]  ? rtnl_newlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:366 net/core/rtnetlink.c:4214)
[   29.695460][  T641]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   29.695463][  T641]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   29.695465][  T641]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   29.695467][  T641]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   29.695470][  T641]  ? trace_contention_end (./include/trace/events/lock.h:121 (discriminator 22))
[   29.695474][  T641]  ? __mutex_lock (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:3188 kernel/locking/mutex.c:89 kernel/locking/mutex.c:134 kernel/locking/mutex.c:649 kernel/locking/mutex.c:821)
[   29.695476][  T641]  ? __mutex_lock (kernel/locking/mutex.c:656 (discriminator 1) kernel/locking/mutex.c:821 (discriminator 1))
[   29.695480][  T641]  ? rtnl_newlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:366 net/core/rtnetlink.c:4214)
[   29.695486][  T641]  ? ww_mutex_lock (kernel/locking/mutex.c:934)
[   29.695488][  T641]  ? nla_get_range_signed (lib/nlattr.c:270)
[   29.695496][  T641]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   29.695500][  T641]  ? __rtnl_newlink (net/core/rtnetlink.c:4063)
[   29.695510][  T641]  rtnl_newlink (net/core/rtnetlink.c:4215)
[   29.695520][  T641]  ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558)
[   29.695524][  T641]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   29.695532][  T641]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2))
[   29.695535][  T641]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[   29.695538][  T641]  ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558)
[   29.695541][  T641]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554)
[   29.695548][  T641]  ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558)
[   29.695552][  T641]  rtnetlink_rcv_msg (net/core/rtnetlink.c:7132)
[   29.695557][  T641]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   29.695559][  T641]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   29.695568][  T641]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2))
[   29.695571][  T641]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[   29.695577][  T641]  netlink_rcv_skb (net/netlink/af_netlink.c:2556)
[   29.695581][  T641]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   29.695591][  T641]  ? netlink_ack (./include/linux/skbuff.h:2718)
[   29.695603][  T641]  ? netlink_deliver_tap (./include/linux/rcupdate.h:319 (discriminator 2) ./include/linux/rcupdate.h:880 (discriminator 2) ./include/net/netns/generic.h:48 (discriminator 2) net/netlink/af_netlink.c:334 (discriminator 2))
[   29.695606][  T641]  ? netlink_deliver_tap (./include/linux/rcupdate.h:319 (discriminator 2) ./include/linux/rcupdate.h:880 (discriminator 2) net/netlink/af_netlink.c:341 (discriminator 2))
[   29.695614][  T641]  netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[   29.695621][  T641]  ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[   29.695626][  T641]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[   29.695634][  T641]  netlink_sendmsg (net/netlink/af_netlink.c:1900)
[   29.695641][  T641]  ? netlink_unicast (./include/net/net_namespace.h:422 (discriminator 7))
[   29.695647][  T641]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554)
[   29.695650][  T641]  ? __import_iovec (lib/iov_iter.c:1358 lib/iov_iter.c:1373)
[   29.695659][  T641]  __sock_sendmsg (net/socket.c:800 (discriminator 4) net/socket.c:815 (discriminator 4))
[   29.695664][  T641]  ____sys_sendmsg (net/socket.c:2713)
[   29.695668][  T641]  ? copy_msghdr_from_user (net/socket.c:2650)
[   29.695671][  T641]  ? sock_write_iter (net/socket.c:1269)
[   29.695674][  T641]  ? move_addr_to_kernel (net/socket.c:258)
[   29.695688][  T641]  ___sys_sendmsg (net/socket.c:2767)
[   29.695692][  T641]  ? copy_msghdr_from_user (net/socket.c:2619)
[   29.695723][  T641]  __sys_sendmsg (net/socket.c:2799)
[   29.695728][  T641]  ? __sys_sendmsg_sock (net/socket.c:2780)
[   29.695739][  T641]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   29.695745][  T641]  do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84)
[   29.695749][  T641]  ? exc_page_fault (arch/x86/mm/fault.c:1489 (discriminator 3) arch/x86/mm/fault.c:1536 (discriminator 3))
[   29.695754][  T641]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[   29.695757][  T641] RIP: 0033:0x7f9b8dd8554e
[   29.695762][  T641] Code: 4d 89 d8 e8 b4 bd 00 00 4c 8b 5d f8 41 8b 93 08 03 00 00 59 5e 48 83 f8 fc 74 11 c9 c3 0f 1f 80 00 00 00 00 48 8b 45 10 0f 05 <c9> c3 83 e2 39 83 fa 08 75 e7 e8 03 ff ff ff 0f 1f 00 f3 0f 1e fa
All code
========
   0:	4d 89 d8             	mov    %r11,%r8
   3:	e8 b4 bd 00 00       	call   0xbdbc
   8:	4c 8b 5d f8          	mov    -0x8(%rbp),%r11
   c:	41 8b 93 08 03 00 00 	mov    0x308(%r11),%edx
  13:	59                   	pop    %rcx
  14:	5e                   	pop    %rsi
  15:	48 83 f8 fc          	cmp    $0xfffffffffffffffc,%rax
  19:	74 11                	je     0x2c
  1b:	c9                   	leave
  1c:	c3                   	ret
  1d:	0f 1f 80 00 00 00 00 	nopl   0x0(%rax)
  24:	48 8b 45 10          	mov    0x10(%rbp),%rax
  28:	0f 05                	syscall
  2a:*	c9                   	leave		<-- trapping instruction
  2b:	c3                   	ret
  2c:	83 e2 39             	and    $0x39,%edx
  2f:	83 fa 08             	cmp    $0x8,%edx
  32:	75 e7                	jne    0x1b
  34:	e8 03 ff ff ff       	call   0xffffffffffffff3c
  39:	0f 1f 00             	nopl   (%rax)
  3c:	f3 0f 1e fa          	endbr64

Code starting with the faulting instruction
===========================================
   0:	c9                   	leave
   1:	c3                   	ret
   2:	83 e2 39             	and    $0x39,%edx
   5:	83 fa 08             	cmp    $0x8,%edx
   8:	75 e7                	jne    0xfffffffffffffff1
   a:	e8 03 ff ff ff       	call   0xffffffffffffff12
   f:	0f 1f 00             	nopl   (%rax)
  12:	f3 0f 1e fa          	endbr64
[   29.695765][  T641] RSP: 002b:00007ffe796521b0 EFLAGS: 00000202 ORIG_RAX: 000000000000002e
[   29.695769][  T641] RAX: ffffffffffffffda RBX: 0000000000000005 RCX: 00007f9b8dd8554e
[   29.695771][  T641] RDX: 0000000000000000 RSI: 00007ffe79652260 RDI: 0000000000000005
[   29.695772][  T641] RBP: 00007ffe796521c0 R08: 0000000000000000 R09: 0000000000000000
[   29.695774][  T641] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a910fe0
[   29.695775][  T641] R13: 00000000004a1620 R14: 0000000000000000 R15: 00007ffe79652930
| [   48.161847][ T1035] softirqs last disabled at (23842): netif_change_name (./include/linux/spinlock.h:353 ./include/linux/seqlock.h:908 net/core/dev.c:1499)
| [   48.161849][ T1035] Preemption disabled at:
| [   48.161850][ T1035] vprintk_emit (kernel/printk/printk.c:2471)
| [   48.161859][ T1035] Tainted: [W]=WARN
[   48.161860][ T1035] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   48.161861][ T1035] Call Trace:
[   48.161863][ T1035]  <TASK>
[   48.161865][ T1035]  dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120)
[   48.161870][ T1035]  ? vprintk_emit (kernel/printk/printk.c:2471)
[   48.161872][ T1035]  __might_resched.cold (kernel/sched/core.c:9234)
[   48.161876][ T1035]  ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3))
[   48.161881][ T1035]  ? __kmalloc_noprof (./include/linux/sched/mm.h:317 mm/slub.c:4636 mm/slub.c:4974 mm/slub.c:5413 mm/slub.c:5439)
[   48.161885][ T1035]  __kmalloc_noprof (./include/linux/sched/mm.h:322 (discriminator 2) mm/slub.c:4636 (discriminator 2) mm/slub.c:4974 (discriminator 2) mm/slub.c:5413 (discriminator 2) mm/slub.c:5439 (discriminator 2))
[   48.161887][ T1035]  ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[   48.161894][ T1035]  ? do_raw_spin_unlock (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:32 ./include/asm-generic/qspinlock.h:58 kernel/locking/spinlock_debug.c:101 kernel/locking/spinlock_debug.c:141)
[   48.161897][ T1035]  alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[   48.161901][ T1035]  put_chars (drivers/char/virtio_console.c:1176)
[   48.161903][ T1035]  ? __send_to_port (drivers/char/virtio_console.c:654)
[   48.161909][ T1035]  hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2))
[   48.161917][ T1035]  ? hvc_write (drivers/tty/hvc/hvc_console.c:501)
[   48.161920][ T1035]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   48.161924][ T1035]  console_emit_next_record (kernel/printk/printk.c:3183)
[   48.161928][ T1035]  ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20)
[   48.161930][ T1035]  ? console_flush_one_record (./include/linux/rcupdate.h:314 (discriminator 2) ./include/linux/srcu.h:439 (discriminator 2) kernel/printk/printk.c:291 (discriminator 2) kernel/printk/printk.c:3246 (discriminator 2))
[   48.161934][ T1035]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   48.161936][ T1035]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   48.161941][ T1035]  console_flush_one_record (kernel/printk/printk.c:3268)
[   48.161945][ T1035]  ? console_emit_next_record (kernel/printk/printk.c:3150)
[   48.161947][ T1035]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   48.161952][ T1035]  console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420)
[   48.161955][ T1035]  ? console_flush_one_record (kernel/printk/printk.c:3316)
[   48.161957][ T1035]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   48.161958][ T1035]  ? lock_acquire (./include/linux/srcutree.h:374 ./include/linux/srcu.h:541 ./include/linux/srcu.h:645 ./include/trace/events/lock.h:23 ./include/trace/events/lock.h:23 kernel/locking/lockdep.c:5871)
[   48.161962][ T1035]  ? __down_trylock_console_sem (kernel/printk/printk.c:334)
[   48.161964][ T1035]  ? vprintk_emit (kernel/printk/printk.c:2478)
[   48.161966][ T1035]  vprintk_emit (kernel/printk/printk.c:2479)
[   48.161969][ T1035]  ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126))
[   48.161972][ T1035]  ? _mutex_trylock_nest_lock (kernel/locking/mutex.c:1227 (discriminator 6))
[   48.161977][ T1035]  _printk (kernel/printk/printk.c:2504)
[   48.161981][ T1035]  ? snapshot_read.cold (user.c:?)
[   48.161982][ T1035]  ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4116 (discriminator 3) kernel/rcu/tree.c:4108 (discriminator 3))
[   48.161985][ T1035]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380)
[   48.161988][ T1035]  ? validate_chain (kernel/locking/lockdep.c:3817 (discriminator 2) kernel/locking/lockdep.c:3837 (discriminator 2) kernel/locking/lockdep.c:3892 (discriminator 2))
[   48.161990][ T1035]  ? netdev_name (./include/linux/netdevice.h:5709 (discriminator 1))
[   48.161994][ T1035]  ? __netdev_printk (net/core/dev.c:13148 (discriminator 2))
[   48.161996][ T1035]  ? do_setlink.isra.0 (net/core/rtnetlink.c:3246)
[   48.161999][ T1035]  netdev_info (net/core/dev.c:13195 (discriminator 3))
[   48.162001][ T1035]  ? netdev_notice (net/core/dev.c:13194)
[   48.162004][ T1035]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[   48.162007][ T1035]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554)
[   48.162010][ T1035]  ? mark_held_locks (kernel/locking/lockdep.c:4341)
[   48.162013][ T1035]  ? do_setlink.isra.0 (net/core/rtnetlink.c:3246)
[   48.162015][ T1035]  netif_change_name.cold (net/core/dev.c:1507 (discriminator 3))
[   48.162017][ T1035]  ? register_netdev (net/core/dev.c:11618)
[   48.162019][ T1035]  ? is_bpf_text_address (./include/linux/rcupdate.h:319 (discriminator 2) ./include/linux/rcupdate.h:880 (discriminator 2) kernel/bpf/core.c:751 (discriminator 2))
[   48.162024][ T1035]  ? netdev_adjacent_rename_links (net/core/dev.c:9598)
[   48.162026][ T1035]  ? __kernel_text_address (kernel/extable.c:79)
[   48.162029][ T1035]  ? write_profile (profile.c:?)
[   48.162033][ T1035]  ? __asan_memset (mm/kasan/shadow.c:84 (discriminator 1))
[   48.162039][ T1035]  do_setlink.isra.0 (net/core/rtnetlink.c:3246)
[   48.162042][ T1035]  ? stack_trace_save (kernel/stacktrace.c:122 (discriminator 1))
[   48.162044][ T1035]  ? rtnl_link_get_size (net/core/rtnetlink.c:747)
[   48.162045][ T1035]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:388 kernel/rcu/update.c:380)
[   48.162047][ T1035]  ? stack_depot_save_flags (lib/stackdepot.c:609 (discriminator 2) lib/stackdepot.c:676 (discriminator 2))
[   48.162051][ T1035]  ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4116 (discriminator 3) kernel/rcu/tree.c:4108 (discriminator 3))
[   48.162052][ T1035]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380)
[   48.162054][ T1035]  ? validate_chain (kernel/locking/lockdep.c:3817 (discriminator 2) kernel/locking/lockdep.c:3837 (discriminator 2) kernel/locking/lockdep.c:3892 (discriminator 2))
[   48.162057][ T1035]  ? kasan_save_stack (mm/kasan/common.c:58)
[   48.162058][ T1035]  ? kasan_save_stack (mm/kasan/common.c:57)
[   48.162060][ T1035]  ? kasan_save_track (mm/kasan/common.c:78)
[   48.162061][ T1035]  ? __kasan_kmalloc (mm/kasan/common.c:398 mm/kasan/common.c:415)
[   48.162063][ T1035]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   48.162065][ T1035]  ? snd_ac97_proc_read_main (sound/pci/ac97/ac97_proc.c:320)
[   48.162068][ T1035]  ? ___sys_sendmsg (net/socket.c:2758)
[   48.162072][ T1035]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2))
[   48.162074][ T1035]  ? rtnl_newlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:366 net/core/rtnetlink.c:4214)
[   48.162076][ T1035]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   48.162078][ T1035]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   48.162079][ T1035]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   48.162080][ T1035]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   48.162082][ T1035]  ? trace_contention_end (./include/trace/events/lock.h:121 (discriminator 22))
[   48.162084][ T1035]  ? __mutex_lock (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:3188 kernel/locking/mutex.c:89 kernel/locking/mutex.c:134 kernel/locking/mutex.c:649 kernel/locking/mutex.c:821)
[   48.162085][ T1035]  ? __mutex_lock (kernel/locking/mutex.c:656 (discriminator 1) kernel/locking/mutex.c:821 (discriminator 1))
[   48.162087][ T1035]  ? rtnl_newlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:366 net/core/rtnetlink.c:4214)
[   48.162091][ T1035]  ? ww_mutex_lock (kernel/locking/mutex.c:934)
[   48.162092][ T1035]  ? nla_get_range_signed (lib/nlattr.c:270)
[   48.162097][ T1035]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   48.162099][ T1035]  ? __rtnl_newlink (net/core/rtnetlink.c:4063)
[   48.162104][ T1035]  rtnl_newlink (net/core/rtnetlink.c:4215)
[   48.162110][ T1035]  ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558)
[   48.162112][ T1035]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   48.162116][ T1035]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2))
[   48.162118][ T1035]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[   48.162120][ T1035]  ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558)
[   48.162122][ T1035]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554)
[   48.162125][ T1035]  ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558)
[   48.162130][ T1035]  rtnetlink_rcv_msg (net/core/rtnetlink.c:7132)
[   48.162133][ T1035]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   48.162135][ T1035]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   48.162139][ T1035]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2))
[   48.162141][ T1035]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[   48.162144][ T1035]  netlink_rcv_skb (net/netlink/af_netlink.c:2556)
[   48.162147][ T1035]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   48.162150][ T1035]  ? netlink_ack (./include/linux/skbuff.h:2718)
[   48.162156][ T1035]  ? netlink_deliver_tap (./include/linux/rcupdate.h:319 (discriminator 2) ./include/linux/rcupdate.h:880 (discriminator 2) ./include/net/netns/generic.h:48 (discriminator 2) net/netlink/af_netlink.c:334 (discriminator 2))
[   48.162158][ T1035]  ? netlink_deliver_tap (./include/linux/rcupdate.h:319 (discriminator 2) ./include/linux/rcupdate.h:880 (discriminator 2) net/netlink/af_netlink.c:341 (discriminator 2))
[   48.162163][ T1035]  netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[   48.162166][ T1035]  ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[   48.162169][ T1035]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[   48.162173][ T1035]  netlink_sendmsg (net/netlink/af_netlink.c:1900)
[   48.162177][ T1035]  ? netlink_unicast (./include/net/net_namespace.h:422 (discriminator 7))
[   48.162181][ T1035]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554)
[   48.162182][ T1035]  ? __import_iovec (lib/iov_iter.c:1358 lib/iov_iter.c:1373)
[   48.162188][ T1035]  __sock_sendmsg (net/socket.c:800 (discriminator 4) net/socket.c:815 (discriminator 4))
[   48.162190][ T1035]  ____sys_sendmsg (net/socket.c:2713)
[   48.162192][ T1035]  ? copy_msghdr_from_user (net/socket.c:2650)
[   48.162195][ T1035]  ? sock_write_iter (net/socket.c:1269)
[   48.162196][ T1035]  ? move_addr_to_kernel (net/socket.c:258)
[   48.162203][ T1035]  ___sys_sendmsg (net/socket.c:2767)
[   48.162206][ T1035]  ? copy_msghdr_from_user (net/socket.c:2619)
[   48.162222][ T1035]  __sys_sendmsg (net/socket.c:2799)
[   48.162224][ T1035]  ? __sys_sendmsg_sock (net/socket.c:2780)
[   48.162230][ T1035]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   48.162233][ T1035]  do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84)
[   48.162236][ T1035]  ? exc_page_fault (arch/x86/mm/fault.c:1489 (discriminator 3) arch/x86/mm/fault.c:1536 (discriminator 3))
[   48.162239][ T1035]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[   48.162241][ T1035] RIP: 0033:0x7f967368754e
[   48.162245][ T1035] Code: 4d 89 d8 e8 b4 bd 00 00 4c 8b 5d f8 41 8b 93 08 03 00 00 59 5e 48 83 f8 fc 74 11 c9 c3 0f 1f 80 00 00 00 00 48 8b 45 10 0f 05 <c9> c3 83 e2 39 83 fa 08 75 e7 e8 03 ff ff ff 0f 1f 00 f3 0f 1e fa
All code
========
   0:	4d 89 d8             	mov    %r11,%r8
   3:	e8 b4 bd 00 00       	call   0xbdbc
   8:	4c 8b 5d f8          	mov    -0x8(%rbp),%r11
   c:	41 8b 93 08 03 00 00 	mov    0x308(%r11),%edx
  13:	59                   	pop    %rcx
  14:	5e                   	pop    %rsi
  15:	48 83 f8 fc          	cmp    $0xfffffffffffffffc,%rax
  19:	74 11                	je     0x2c
  1b:	c9                   	leave
  1c:	c3                   	ret
  1d:	0f 1f 80 00 00 00 00 	nopl   0x0(%rax)
  24:	48 8b 45 10          	mov    0x10(%rbp),%rax
  28:	0f 05                	syscall
  2a:*	c9                   	leave		<-- trapping instruction
  2b:	c3                   	ret
  2c:	83 e2 39             	and    $0x39,%edx
  2f:	83 fa 08             	cmp    $0x8,%edx
  32:	75 e7                	jne    0x1b
  34:	e8 03 ff ff ff       	call   0xffffffffffffff3c
  39:	0f 1f 00             	nopl   (%rax)
  3c:	f3 0f 1e fa          	endbr64

Code starting with the faulting instruction
===========================================
   0:	c9                   	leave
   1:	c3                   	ret
   2:	83 e2 39             	and    $0x39,%edx
   5:	83 fa 08             	cmp    $0x8,%edx
   8:	75 e7                	jne    0xfffffffffffffff1
   a:	e8 03 ff ff ff       	call   0xffffffffffffff12
   f:	0f 1f 00             	nopl   (%rax)
  12:	f3 0f 1e fa          	endbr64
[   48.162247][ T1035] RSP: 002b:00007ffe482d1c80 EFLAGS: 00000202 ORIG_RAX: 000000000000002e
[   48.162250][ T1035] RAX: ffffffffffffffda RBX: 0000000000000005 RCX: 00007f967368754e
[   48.162251][ T1035] RDX: 0000000000000000 RSI: 00007ffe482d1d30 RDI: 0000000000000005
[   48.162252][ T1035] RBP: 00007ffe482d1c90 R08: 0000000000000000 R09: 0000000000000000
[   48.162253][ T1035] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a910ff3
[   48.162253][ T1035] R13: 00000000004a1620 R14: 0000000000000000 R15: 00007ffe482d2400
| [   65.313619][ T1429] softirqs last disabled at (29086): netif_change_name (./include/linux/spinlock.h:353 ./include/linux/seqlock.h:908 net/core/dev.c:1499)
| [   65.313621][ T1429] Preemption disabled at:
| [   65.313622][ T1429] vprintk_emit (kernel/printk/printk.c:2471)
| [   65.313630][ T1429] Tainted: [W]=WARN
[   65.313631][ T1429] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   65.313632][ T1429] Call Trace:
[   65.313634][ T1429]  <TASK>
[   65.313635][ T1429]  dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120)
[   65.313642][ T1429]  ? vprintk_emit (kernel/printk/printk.c:2471)
[   65.313643][ T1429]  __might_resched.cold (kernel/sched/core.c:9234)
[   65.313648][ T1429]  ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3))
[   65.313652][ 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)
[   65.313656][ 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))
[   65.313658][ T1429]  ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[   65.313665][ 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)
[   65.313667][ T1429]  alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[   65.313671][ T1429]  put_chars (drivers/char/virtio_console.c:1176)
[   65.313674][ T1429]  ? __send_to_port (drivers/char/virtio_console.c:654)
[   65.313680][ T1429]  hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2))
[   65.313687][ T1429]  ? hvc_write (drivers/tty/hvc/hvc_console.c:501)
[   65.313690][ T1429]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   65.313695][ T1429]  console_emit_next_record (kernel/printk/printk.c:3183)
[   65.313699][ T1429]  ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20)
[   65.313701][ 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))
[   65.313704][ T1429]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   65.313706][ T1429]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   65.313710][ T1429]  console_flush_one_record (kernel/printk/printk.c:3268)
[   65.313719][ T1429]  ? console_emit_next_record (kernel/printk/printk.c:3150)
[   65.313721][ T1429]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   65.313726][ T1429]  console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420)
[   65.313729][ T1429]  ? console_flush_one_record (kernel/printk/printk.c:3316)
[   65.313731][ T1429]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   65.313733][ 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)
[   65.313736][ T1429]  ? __down_trylock_console_sem (kernel/printk/printk.c:334)
[   65.313738][ T1429]  ? vprintk_emit (kernel/printk/printk.c:2478)
[   65.313741][ T1429]  vprintk_emit (kernel/printk/printk.c:2479)
[   65.313744][ T1429]  ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126))
[   65.313746][ T1429]  ? _mutex_trylock_nest_lock (kernel/locking/mutex.c:1227 (discriminator 6))
[   65.313752][ T1429]  _printk (kernel/printk/printk.c:2504)
[   65.313755][ T1429]  ? snapshot_read.cold (user.c:?)
[   65.313757][ T1429]  ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4116 (discriminator 3) kernel/rcu/tree.c:4108 (discriminator 3))
[   65.313760][ T1429]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380)
[   65.313762][ T1429]  ? validate_chain (kernel/locking/lockdep.c:3817 (discriminator 2) kernel/locking/lockdep.c:3837 (discriminator 2) kernel/locking/lockdep.c:3892 (discriminator 2))
[   65.313765][ T1429]  ? netdev_name (./include/linux/netdevice.h:5709 (discriminator 1))
[   65.313768][ T1429]  ? __netdev_printk (net/core/dev.c:13148 (discriminator 2))
[   65.313771][ T1429]  ? do_setlink.isra.0 (net/core/rtnetlink.c:3246)
[   65.313773][ T1429]  netdev_info (net/core/dev.c:13195 (discriminator 3))
[   65.313776][ T1429]  ? netdev_notice (net/core/dev.c:13194)
[   65.313779][ T1429]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[   65.313782][ T1429]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554)
[   65.313784][ T1429]  ? mark_held_locks (kernel/locking/lockdep.c:4341)
[   65.313788][ T1429]  ? do_setlink.isra.0 (net/core/rtnetlink.c:3246)
[   65.313790][ T1429]  netif_change_name.cold (net/core/dev.c:1507 (discriminator 3))
[   65.313792][ T1429]  ? register_netdev (net/core/dev.c:11618)
[   65.313793][ 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))
[   65.313798][ T1429]  ? netdev_adjacent_rename_links (net/core/dev.c:9598)
[   65.313801][ T1429]  ? __kernel_text_address (kernel/extable.c:79)
[   65.313803][ T1429]  ? write_profile (profile.c:?)
[   65.313807][ T1429]  ? __asan_memset (mm/kasan/shadow.c:84 (discriminator 1))
[   65.313813][ T1429]  do_setlink.isra.0 (net/core/rtnetlink.c:3246)
[   65.313817][ T1429]  ? stack_trace_save (kernel/stacktrace.c:122 (discriminator 1))
[   65.313819][ T1429]  ? rtnl_link_get_size (net/core/rtnetlink.c:747)
[   65.313820][ T1429]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:388 kernel/rcu/update.c:380)
[   65.313822][ T1429]  ? stack_depot_save_flags (lib/stackdepot.c:609 (discriminator 2) lib/stackdepot.c:676 (discriminator 2))
[   65.313825][ T1429]  ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4116 (discriminator 3) kernel/rcu/tree.c:4108 (discriminator 3))
[   65.313827][ T1429]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380)
[   65.313828][ T1429]  ? validate_chain (kernel/locking/lockdep.c:3817 (discriminator 2) kernel/locking/lockdep.c:3837 (discriminator 2) kernel/locking/lockdep.c:3892 (discriminator 2))
[   65.313831][ T1429]  ? kasan_save_stack (mm/kasan/common.c:58)
[   65.313833][ T1429]  ? kasan_save_stack (mm/kasan/common.c:57)
[   65.313834][ T1429]  ? kasan_save_track (mm/kasan/common.c:78)
[   65.313835][ T1429]  ? __kasan_kmalloc (mm/kasan/common.c:398 mm/kasan/common.c:415)
[   65.313837][ T1429]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   65.313839][ T1429]  ? snd_ac97_proc_read_main (sound/pci/ac97/ac97_proc.c:320)
[   65.313842][ T1429]  ? ___sys_sendmsg (net/socket.c:2758)
[   65.313846][ T1429]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2))
[   65.313848][ T1429]  ? rtnl_newlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:366 net/core/rtnetlink.c:4214)
[   65.313851][ T1429]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   65.313852][ T1429]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   65.313854][ T1429]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   65.313855][ T1429]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   65.313857][ T1429]  ? trace_contention_end (./include/trace/events/lock.h:121 (discriminator 22))
[   65.313859][ 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)
[   65.313860][ T1429]  ? __mutex_lock (kernel/locking/mutex.c:656 (discriminator 1) kernel/locking/mutex.c:821 (discriminator 1))
[   65.313862][ T1429]  ? rtnl_newlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:366 net/core/rtnetlink.c:4214)
[   65.313865][ T1429]  ? ww_mutex_lock (kernel/locking/mutex.c:934)
[   65.313866][ T1429]  ? nla_get_range_signed (lib/nlattr.c:270)
[   65.313871][ T1429]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   65.313874][ T1429]  ? __rtnl_newlink (net/core/rtnetlink.c:4063)
[   65.313879][ T1429]  rtnl_newlink (net/core/rtnetlink.c:4215)
[   65.313884][ T1429]  ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558)
[   65.313886][ T1429]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   65.313890][ T1429]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2))
[   65.313892][ T1429]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[   65.313894][ T1429]  ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558)
[   65.313896][ T1429]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554)
[   65.313899][ T1429]  ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558)
[   65.313901][ T1429]  rtnetlink_rcv_msg (net/core/rtnetlink.c:7132)
[   65.313904][ T1429]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   65.313906][ T1429]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   65.313910][ T1429]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2))
[   65.313912][ T1429]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[   65.313915][ T1429]  netlink_rcv_skb (net/netlink/af_netlink.c:2556)
[   65.313919][ T1429]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   65.313921][ T1429]  ? netlink_ack (./include/linux/skbuff.h:2718)
[   65.313928][ 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))
[   65.313930][ 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))
[   65.313934][ T1429]  netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[   65.313938][ T1429]  ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[   65.313941][ T1429]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[   65.313945][ T1429]  netlink_sendmsg (net/netlink/af_netlink.c:1900)
[   65.313949][ T1429]  ? netlink_unicast (./include/net/net_namespace.h:422 (discriminator 7))
[   65.313952][ T1429]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554)
[   65.313954][ T1429]  ? __import_iovec (lib/iov_iter.c:1358 lib/iov_iter.c:1373)
[   65.313959][ T1429]  __sock_sendmsg (net/socket.c:800 (discriminator 4) net/socket.c:815 (discriminator 4))
[   65.313962][ T1429]  ____sys_sendmsg (net/socket.c:2713)
[   65.313964][ T1429]  ? copy_msghdr_from_user (net/socket.c:2650)
[   65.313966][ T1429]  ? sock_write_iter (net/socket.c:1269)
[   65.313968][ T1429]  ? move_addr_to_kernel (net/socket.c:258)
[   65.313975][ T1429]  ___sys_sendmsg (net/socket.c:2767)
[   65.313978][ T1429]  ? copy_msghdr_from_user (net/socket.c:2619)
[   65.313994][ T1429]  __sys_sendmsg (net/socket.c:2799)
[   65.313996][ T1429]  ? __sys_sendmsg_sock (net/socket.c:2780)
[   65.314003][ T1429]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   65.314006][ T1429]  do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84)
[   65.314009][ T1429]  ? exc_page_fault (arch/x86/mm/fault.c:1489 (discriminator 3) arch/x86/mm/fault.c:1536 (discriminator 3))
[   65.314011][ T1429]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[   65.314014][ T1429] RIP: 0033:0x7fe964e2254e
[   65.314017][ 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
[   65.314019][ T1429] RSP: 002b:00007ffcb207cc50 EFLAGS: 00000202 ORIG_RAX: 000000000000002e
[   65.314022][ T1429] RAX: ffffffffffffffda RBX: 0000000000000005 RCX: 00007fe964e2254e
[   65.314023][ T1429] RDX: 0000000000000000 RSI: 00007ffcb207cd00 RDI: 0000000000000005
[   65.314024][ T1429] RBP: 00007ffcb207cc60 R08: 0000000000000000 R09: 0000000000000000
[   65.314025][ T1429] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a911004
[   65.314026][ T1429] R13: 00000000004a1620 R14: 0000000000000000 R15: 00007ffcb207d3d0
| [   79.815639][ T1837] softirqs last disabled at (18126): netif_change_name (./include/linux/spinlock.h:353 ./include/linux/seqlock.h:908 net/core/dev.c:1499)
| [   79.815642][ T1837] Preemption disabled at:
| [   79.815643][ T1837] vprintk_emit (kernel/printk/printk.c:2471)
| [   79.815651][ T1837] Tainted: [W]=WARN
[   79.815652][ T1837] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   79.815654][ T1837] Call Trace:
[   79.815655][ T1837]  <TASK>
[   79.815657][ T1837]  dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120)
[   79.815663][ T1837]  ? vprintk_emit (kernel/printk/printk.c:2471)
[   79.815664][ T1837]  __might_resched.cold (kernel/sched/core.c:9234)
[   79.815669][ T1837]  ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3))
[   79.815673][ T1837]  ? __kmalloc_noprof (./include/linux/sched/mm.h:317 mm/slub.c:4636 mm/slub.c:4974 mm/slub.c:5413 mm/slub.c:5439)
[   79.815678][ T1837]  __kmalloc_noprof (./include/linux/sched/mm.h:322 (discriminator 2) mm/slub.c:4636 (discriminator 2) mm/slub.c:4974 (discriminator 2) mm/slub.c:5413 (discriminator 2) mm/slub.c:5439 (discriminator 2))
[   79.815679][ T1837]  ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[   79.815686][ T1837]  ? do_raw_spin_unlock (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:32 ./include/asm-generic/qspinlock.h:58 kernel/locking/spinlock_debug.c:101 kernel/locking/spinlock_debug.c:141)
[   79.815689][ T1837]  alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[   79.815692][ T1837]  put_chars (drivers/char/virtio_console.c:1176)
[   79.815695][ T1837]  ? __send_to_port (drivers/char/virtio_console.c:654)
[   79.815701][ T1837]  hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2))
[   79.815708][ T1837]  ? hvc_write (drivers/tty/hvc/hvc_console.c:501)
[   79.815712][ T1837]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   79.815716][ T1837]  console_emit_next_record (kernel/printk/printk.c:3183)
[   79.815720][ T1837]  ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20)
[   79.815722][ T1837]  ? console_flush_one_record (./include/linux/rcupdate.h:314 (discriminator 2) ./include/linux/srcu.h:439 (discriminator 2) kernel/printk/printk.c:291 (discriminator 2) kernel/printk/printk.c:3246 (discriminator 2))
[   79.815725][ T1837]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   79.815728][ T1837]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   79.815731][ T1837]  console_flush_one_record (kernel/printk/printk.c:3268)
[   79.815736][ T1837]  ? console_emit_next_record (kernel/printk/printk.c:3150)
[   79.815738][ T1837]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   79.815743][ T1837]  console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420)
[   79.815745][ T1837]  ? console_flush_one_record (kernel/printk/printk.c:3316)
[   79.815747][ T1837]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   79.815749][ T1837]  ? lock_acquire (./include/linux/srcutree.h:374 ./include/linux/srcu.h:541 ./include/linux/srcu.h:645 ./include/trace/events/lock.h:23 ./include/trace/events/lock.h:23 kernel/locking/lockdep.c:5871)
[   79.815753][ T1837]  ? __down_trylock_console_sem (kernel/printk/printk.c:334)
[   79.815754][ T1837]  ? vprintk_emit (kernel/printk/printk.c:2478)
[   79.815757][ T1837]  vprintk_emit (kernel/printk/printk.c:2479)
[   79.815760][ T1837]  ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126))
[   79.815763][ T1837]  ? _mutex_trylock_nest_lock (kernel/locking/mutex.c:1227 (discriminator 6))
[   79.815774][ T1837]  _printk (kernel/printk/printk.c:2504)
[   79.815778][ T1837]  ? snapshot_read.cold (user.c:?)
[   79.815780][ T1837]  ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4116 (discriminator 3) kernel/rcu/tree.c:4108 (discriminator 3))
[   79.815782][ T1837]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380)
[   79.815785][ T1837]  ? validate_chain (kernel/locking/lockdep.c:3817 (discriminator 2) kernel/locking/lockdep.c:3837 (discriminator 2) kernel/locking/lockdep.c:3892 (discriminator 2))
[   79.815787][ T1837]  ? netdev_name (./include/linux/netdevice.h:5709 (discriminator 1))
[   79.815791][ T1837]  ? __netdev_printk (net/core/dev.c:13148 (discriminator 2))
[   79.815794][ T1837]  ? do_setlink.isra.0 (net/core/rtnetlink.c:3246)
[   79.815796][ T1837]  netdev_info (net/core/dev.c:13195 (discriminator 3))
[   79.815799][ T1837]  ? netdev_notice (net/core/dev.c:13194)
[   79.815801][ T1837]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[   79.815804][ T1837]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554)
[   79.815807][ T1837]  ? mark_held_locks (kernel/locking/lockdep.c:4341)
[   79.815810][ T1837]  ? do_setlink.isra.0 (net/core/rtnetlink.c:3246)
[   79.815813][ T1837]  netif_change_name.cold (net/core/dev.c:1507 (discriminator 3))
[   79.815815][ T1837]  ? register_netdev (net/core/dev.c:11618)
[   79.815816][ T1837]  ? is_bpf_text_address (./include/linux/rcupdate.h:319 (discriminator 2) ./include/linux/rcupdate.h:880 (discriminator 2) kernel/bpf/core.c:751 (discriminator 2))
[   79.815821][ T1837]  ? netdev_adjacent_rename_links (net/core/dev.c:9598)
[   79.815824][ T1837]  ? __kernel_text_address (kernel/extable.c:79)
[   79.815826][ T1837]  ? write_profile (profile.c:?)
[   79.815830][ T1837]  ? __asan_memset (mm/kasan/shadow.c:84 (discriminator 1))
[   79.815836][ T1837]  do_setlink.isra.0 (net/core/rtnetlink.c:3246)
[   79.815839][ T1837]  ? stack_trace_save (kernel/stacktrace.c:122 (discriminator 1))
[   79.815842][ T1837]  ? rtnl_link_get_size (net/core/rtnetlink.c:747)
[   79.815843][ T1837]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:388 kernel/rcu/update.c:380)
[   79.815845][ T1837]  ? stack_depot_save_flags (lib/stackdepot.c:609 (discriminator 2) lib/stackdepot.c:676 (discriminator 2))
[   79.815848][ T1837]  ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4116 (discriminator 3) kernel/rcu/tree.c:4108 (discriminator 3))
[   79.815850][ T1837]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380)
[   79.815851][ T1837]  ? validate_chain (kernel/locking/lockdep.c:3817 (discriminator 2) kernel/locking/lockdep.c:3837 (discriminator 2) kernel/locking/lockdep.c:3892 (discriminator 2))
[   79.815854][ T1837]  ? kasan_save_stack (mm/kasan/common.c:58)
[   79.815856][ T1837]  ? kasan_save_stack (mm/kasan/common.c:57)
[   79.815857][ T1837]  ? kasan_save_track (mm/kasan/common.c:78)
[   79.815858][ T1837]  ? __kasan_kmalloc (mm/kasan/common.c:398 mm/kasan/common.c:415)
[   79.815861][ T1837]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   79.815863][ T1837]  ? snd_ac97_proc_read_main (sound/pci/ac97/ac97_proc.c:320)
[   79.815866][ T1837]  ? ___sys_sendmsg (net/socket.c:2758)
[   79.815870][ T1837]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2))
[   79.815872][ T1837]  ? rtnl_newlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:366 net/core/rtnetlink.c:4214)
[   79.815874][ T1837]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   79.815876][ T1837]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   79.815877][ T1837]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   79.815878][ T1837]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   79.815880][ T1837]  ? trace_contention_end (./include/trace/events/lock.h:121 (discriminator 22))
[   79.815882][ T1837]  ? __mutex_lock (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:3188 kernel/locking/mutex.c:89 kernel/locking/mutex.c:134 kernel/locking/mutex.c:649 kernel/locking/mutex.c:821)
[   79.815883][ T1837]  ? __mutex_lock (kernel/locking/mutex.c:656 (discriminator 1) kernel/locking/mutex.c:821 (discriminator 1))
[   79.815885][ T1837]  ? rtnl_newlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:366 net/core/rtnetlink.c:4214)
[   79.815889][ T1837]  ? ww_mutex_lock (kernel/locking/mutex.c:934)
[   79.815890][ T1837]  ? nla_get_range_signed (lib/nlattr.c:270)
[   79.815895][ T1837]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   79.815897][ T1837]  ? __rtnl_newlink (net/core/rtnetlink.c:4063)
[   79.815902][ T1837]  rtnl_newlink (net/core/rtnetlink.c:4215)
[   79.815907][ T1837]  ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558)
[   79.815909][ T1837]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   79.815914][ T1837]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2))
[   79.815916][ T1837]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[   79.815918][ T1837]  ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558)
[   79.815919][ T1837]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554)
[   79.815923][ T1837]  ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558)
[   79.815925][ T1837]  rtnetlink_rcv_msg (net/core/rtnetlink.c:7132)
[   79.815928][ T1837]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   79.815929][ T1837]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   79.815934][ T1837]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2))
[   79.815936][ T1837]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[   79.815939][ T1837]  netlink_rcv_skb (net/netlink/af_netlink.c:2556)
[   79.815942][ T1837]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   79.815945][ T1837]  ? netlink_ack (./include/linux/skbuff.h:2718)
[   79.815951][ T1837]  ? netlink_deliver_tap (./include/linux/rcupdate.h:319 (discriminator 2) ./include/linux/rcupdate.h:880 (discriminator 2) ./include/net/netns/generic.h:48 (discriminator 2) net/netlink/af_netlink.c:334 (discriminator 2))
[   79.815953][ T1837]  ? netlink_deliver_tap (./include/linux/rcupdate.h:319 (discriminator 2) ./include/linux/rcupdate.h:880 (discriminator 2) net/netlink/af_netlink.c:341 (discriminator 2))
[   79.815958][ T1837]  netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[   79.815962][ T1837]  ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[   79.815964][ T1837]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[   79.815968][ T1837]  netlink_sendmsg (net/netlink/af_netlink.c:1900)
[   79.815972][ T1837]  ? netlink_unicast (./include/net/net_namespace.h:422 (discriminator 7))
[   79.815976][ T1837]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554)
[   79.815978][ T1837]  ? __import_iovec (lib/iov_iter.c:1358 lib/iov_iter.c:1373)
[   79.815983][ T1837]  __sock_sendmsg (net/socket.c:800 (discriminator 4) net/socket.c:815 (discriminator 4))
[   79.815986][ T1837]  ____sys_sendmsg (net/socket.c:2713)
[   79.815988][ T1837]  ? copy_msghdr_from_user (net/socket.c:2650)
[   79.815990][ T1837]  ? sock_write_iter (net/socket.c:1269)
[   79.815992][ T1837]  ? move_addr_to_kernel (net/socket.c:258)
[   79.815999][ T1837]  ___sys_sendmsg (net/socket.c:2767)
[   79.816002][ T1837]  ? copy_msghdr_from_user (net/socket.c:2619)
[   79.816017][ T1837]  __sys_sendmsg (net/socket.c:2799)
[   79.816020][ T1837]  ? __sys_sendmsg_sock (net/socket.c:2780)
[   79.816026][ T1837]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   79.816029][ T1837]  do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84)
[   79.816032][ T1837]  ? exc_page_fault (arch/x86/mm/fault.c:1489 (discriminator 3) arch/x86/mm/fault.c:1536 (discriminator 3))
[   79.816035][ T1837]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[   79.816037][ T1837] RIP: 0033:0x7fe2bf23854e
[   79.816041][ T1837] Code: 4d 89 d8 e8 b4 bd 00 00 4c 8b 5d f8 41 8b 93 08 03 00 00 59 5e 48 83 f8 fc 74 11 c9 c3 0f 1f 80 00 00 00 00 48 8b 45 10 0f 05 <c9> c3 83 e2 39 83 fa 08 75 e7 e8 03 ff ff ff 0f 1f 00 f3 0f 1e fa
All code
========
   0:	4d 89 d8             	mov    %r11,%r8
   3:	e8 b4 bd 00 00       	call   0xbdbc
   8:	4c 8b 5d f8          	mov    -0x8(%rbp),%r11
   c:	41 8b 93 08 03 00 00 	mov    0x308(%r11),%edx
  13:	59                   	pop    %rcx
  14:	5e                   	pop    %rsi
  15:	48 83 f8 fc          	cmp    $0xfffffffffffffffc,%rax
  19:	74 11                	je     0x2c
  1b:	c9                   	leave
  1c:	c3                   	ret
  1d:	0f 1f 80 00 00 00 00 	nopl   0x0(%rax)
  24:	48 8b 45 10          	mov    0x10(%rbp),%rax
  28:	0f 05                	syscall
  2a:*	c9                   	leave		<-- trapping instruction
  2b:	c3                   	ret
  2c:	83 e2 39             	and    $0x39,%edx
  2f:	83 fa 08             	cmp    $0x8,%edx
  32:	75 e7                	jne    0x1b
  34:	e8 03 ff ff ff       	call   0xffffffffffffff3c
  39:	0f 1f 00             	nopl   (%rax)
  3c:	f3 0f 1e fa          	endbr64

Code starting with the faulting instruction
===========================================
   0:	c9                   	leave
   1:	c3                   	ret
   2:	83 e2 39             	and    $0x39,%edx
   5:	83 fa 08             	cmp    $0x8,%edx
   8:	75 e7                	jne    0xfffffffffffffff1
   a:	e8 03 ff ff ff       	call   0xffffffffffffff12
   f:	0f 1f 00             	nopl   (%rax)
  12:	f3 0f 1e fa          	endbr64
[   79.816043][ T1837] RSP: 002b:00007ffd1b649040 EFLAGS: 00000202 ORIG_RAX: 000000000000002e
[   79.816045][ T1837] RAX: ffffffffffffffda RBX: 0000000000000005 RCX: 00007fe2bf23854e
[   79.816047][ T1837] RDX: 0000000000000000 RSI: 00007ffd1b6490f0 RDI: 0000000000000005
[   79.816048][ T1837] RBP: 00007ffd1b649050 R08: 0000000000000000 R09: 0000000000000000
[   79.816048][ T1837] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a911013
[   79.816049][ T1837] R13: 00000000004a1620 R14: 0000000000000000 R15: 00007ffd1b6497c0
| [   93.729938][ T2246] softirqs last disabled at (23244): netif_change_name (./include/linux/spinlock.h:353 ./include/linux/seqlock.h:908 net/core/dev.c:1499)
| [   93.729941][ T2246] Preemption disabled at:
| [   93.729942][ T2246] vprintk_emit (kernel/printk/printk.c:2471)
| [   93.729950][ T2246] Tainted: [W]=WARN
[   93.729951][ T2246] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   93.729953][ T2246] Call Trace:
[   93.729954][ T2246]  <TASK>
[   93.729956][ T2246]  dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120)
[   93.729962][ T2246]  ? vprintk_emit (kernel/printk/printk.c:2471)
[   93.729963][ T2246]  __might_resched.cold (kernel/sched/core.c:9234)
[   93.729968][ T2246]  ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3))
[   93.729972][ T2246]  ? __kmalloc_noprof (./include/linux/sched/mm.h:317 mm/slub.c:4636 mm/slub.c:4974 mm/slub.c:5413 mm/slub.c:5439)
[   93.729977][ T2246]  __kmalloc_noprof (./include/linux/sched/mm.h:322 (discriminator 2) mm/slub.c:4636 (discriminator 2) mm/slub.c:4974 (discriminator 2) mm/slub.c:5413 (discriminator 2) mm/slub.c:5439 (discriminator 2))
[   93.729978][ T2246]  ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[   93.729985][ T2246]  ? do_raw_spin_unlock (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:32 ./include/asm-generic/qspinlock.h:58 kernel/locking/spinlock_debug.c:101 kernel/locking/spinlock_debug.c:141)
[   93.729988][ T2246]  alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[   93.729992][ T2246]  put_chars (drivers/char/virtio_console.c:1176)
[   93.729995][ T2246]  ? __send_to_port (drivers/char/virtio_console.c:654)
[   93.730001][ T2246]  hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2))
[   93.730009][ T2246]  ? hvc_write (drivers/tty/hvc/hvc_console.c:501)
[   93.730012][ T2246]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   93.730017][ T2246]  console_emit_next_record (kernel/printk/printk.c:3183)
[   93.730021][ T2246]  ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20)
[   93.730023][ T2246]  ? console_flush_one_record (./include/linux/rcupdate.h:314 (discriminator 2) ./include/linux/srcu.h:439 (discriminator 2) kernel/printk/printk.c:291 (discriminator 2) kernel/printk/printk.c:3246 (discriminator 2))
[   93.730026][ T2246]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   93.730029][ T2246]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   93.730033][ T2246]  console_flush_one_record (kernel/printk/printk.c:3268)
[   93.730037][ T2246]  ? console_emit_next_record (kernel/printk/printk.c:3150)
[   93.730039][ T2246]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   93.730045][ T2246]  console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420)
[   93.730048][ T2246]  ? console_flush_one_record (kernel/printk/printk.c:3316)
[   93.730049][ T2246]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   93.730051][ T2246]  ? lock_acquire (./include/linux/srcutree.h:374 ./include/linux/srcu.h:541 ./include/linux/srcu.h:645 ./include/trace/events/lock.h:23 ./include/trace/events/lock.h:23 kernel/locking/lockdep.c:5871)
[   93.730055][ T2246]  ? __down_trylock_console_sem (kernel/printk/printk.c:334)
[   93.730057][ T2246]  ? vprintk_emit (kernel/printk/printk.c:2478)
[   93.730059][ T2246]  vprintk_emit (kernel/printk/printk.c:2479)
[   93.730063][ T2246]  ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126))
[   93.730065][ T2246]  ? _mutex_trylock_nest_lock (kernel/locking/mutex.c:1227 (discriminator 6))
[   93.730071][ T2246]  _printk (kernel/printk/printk.c:2504)
[   93.730074][ T2246]  ? snapshot_read.cold (user.c:?)
[   93.730076][ T2246]  ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4116 (discriminator 3) kernel/rcu/tree.c:4108 (discriminator 3))
[   93.730079][ T2246]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380)
[   93.730082][ T2246]  ? validate_chain (kernel/locking/lockdep.c:3817 (discriminator 2) kernel/locking/lockdep.c:3837 (discriminator 2) kernel/locking/lockdep.c:3892 (discriminator 2))
[   93.730084][ T2246]  ? netdev_name (./include/linux/netdevice.h:5709 (discriminator 1))
[   93.730088][ T2246]  ? __netdev_printk (net/core/dev.c:13148 (discriminator 2))
[   93.730091][ T2246]  ? do_setlink.isra.0 (net/core/rtnetlink.c:3246)
[   93.730093][ T2246]  netdev_info (net/core/dev.c:13195 (discriminator 3))
[   93.730096][ T2246]  ? netdev_notice (net/core/dev.c:13194)
[   93.730099][ T2246]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[   93.730102][ T2246]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554)
[   93.730104][ T2246]  ? mark_held_locks (kernel/locking/lockdep.c:4341)
[   93.730108][ T2246]  ? do_setlink.isra.0 (net/core/rtnetlink.c:3246)
[   93.730110][ T2246]  netif_change_name.cold (net/core/dev.c:1507 (discriminator 3))
[   93.730113][ T2246]  ? register_netdev (net/core/dev.c:11618)
[   93.730114][ T2246]  ? is_bpf_text_address (./include/linux/rcupdate.h:319 (discriminator 2) ./include/linux/rcupdate.h:880 (discriminator 2) kernel/bpf/core.c:751 (discriminator 2))
[   93.730119][ T2246]  ? netdev_adjacent_rename_links (net/core/dev.c:9598)
[   93.730122][ T2246]  ? __kernel_text_address (kernel/extable.c:79)
[   93.730125][ T2246]  ? write_profile (profile.c:?)
[   93.730131][ T2246]  ? __asan_memset (mm/kasan/shadow.c:84 (discriminator 1))
[   93.730137][ T2246]  do_setlink.isra.0 (net/core/rtnetlink.c:3246)
[   93.730141][ T2246]  ? stack_trace_save (kernel/stacktrace.c:122 (discriminator 1))
[   93.730143][ T2246]  ? rtnl_link_get_size (net/core/rtnetlink.c:747)
[   93.730144][ T2246]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:388 kernel/rcu/update.c:380)
[   93.730146][ T2246]  ? stack_depot_save_flags (lib/stackdepot.c:609 (discriminator 2) lib/stackdepot.c:676 (discriminator 2))
[   93.730150][ T2246]  ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4116 (discriminator 3) kernel/rcu/tree.c:4108 (discriminator 3))
[   93.730152][ T2246]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380)
[   93.730154][ T2246]  ? validate_chain (kernel/locking/lockdep.c:3817 (discriminator 2) kernel/locking/lockdep.c:3837 (discriminator 2) kernel/locking/lockdep.c:3892 (discriminator 2))
[   93.730156][ T2246]  ? kasan_save_stack (mm/kasan/common.c:58)
[   93.730158][ T2246]  ? kasan_save_stack (mm/kasan/common.c:57)
[   93.730159][ T2246]  ? kasan_save_track (mm/kasan/common.c:78)
[   93.730160][ T2246]  ? __kasan_kmalloc (mm/kasan/common.c:398 mm/kasan/common.c:415)
[   93.730163][ T2246]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   93.730165][ T2246]  ? snd_ac97_proc_read_main (sound/pci/ac97/ac97_proc.c:320)
[   93.730168][ T2246]  ? ___sys_sendmsg (net/socket.c:2758)
[   93.730172][ T2246]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2))
[   93.730174][ T2246]  ? rtnl_newlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:366 net/core/rtnetlink.c:4214)
[   93.730176][ T2246]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   93.730178][ T2246]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   93.730180][ T2246]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   93.730181][ T2246]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   93.730183][ T2246]  ? trace_contention_end (./include/trace/events/lock.h:121 (discriminator 22))
[   93.730185][ T2246]  ? __mutex_lock (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:3188 kernel/locking/mutex.c:89 kernel/locking/mutex.c:134 kernel/locking/mutex.c:649 kernel/locking/mutex.c:821)
[   93.730186][ T2246]  ? __mutex_lock (kernel/locking/mutex.c:656 (discriminator 1) kernel/locking/mutex.c:821 (discriminator 1))
[   93.730188][ T2246]  ? rtnl_newlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:366 net/core/rtnetlink.c:4214)
[   93.730192][ T2246]  ? ww_mutex_lock (kernel/locking/mutex.c:934)
[   93.730193][ T2246]  ? nla_get_range_signed (lib/nlattr.c:270)
[   93.730198][ T2246]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   93.730200][ T2246]  ? __rtnl_newlink (net/core/rtnetlink.c:4063)
[   93.730205][ T2246]  rtnl_newlink (net/core/rtnetlink.c:4215)
[   93.730211][ T2246]  ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558)
[   93.730213][ T2246]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   93.730217][ T2246]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2))
[   93.730219][ T2246]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[   93.730221][ T2246]  ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558)
[   93.730223][ T2246]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554)
[   93.730227][ T2246]  ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558)
[   93.730229][ T2246]  rtnetlink_rcv_msg (net/core/rtnetlink.c:7132)
[   93.730232][ T2246]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   93.730233][ T2246]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   93.730238][ T2246]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2))
[   93.730240][ T2246]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[   93.730243][ T2246]  netlink_rcv_skb (net/netlink/af_netlink.c:2556)
[   93.730246][ T2246]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   93.730249][ T2246]  ? netlink_ack (./include/linux/skbuff.h:2718)
[   93.730256][ T2246]  ? netlink_deliver_tap (./include/linux/rcupdate.h:319 (discriminator 2) ./include/linux/rcupdate.h:880 (discriminator 2) ./include/net/netns/generic.h:48 (discriminator 2) net/netlink/af_netlink.c:334 (discriminator 2))
[   93.730258][ T2246]  ? netlink_deliver_tap (./include/linux/rcupdate.h:319 (discriminator 2) ./include/linux/rcupdate.h:880 (discriminator 2) net/netlink/af_netlink.c:341 (discriminator 2))
[   93.730262][ T2246]  netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[   93.730266][ T2246]  ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[   93.730269][ T2246]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[   93.730273][ T2246]  netlink_sendmsg (net/netlink/af_netlink.c:1900)
[   93.730277][ T2246]  ? netlink_unicast (./include/net/net_namespace.h:422 (discriminator 7))
[   93.730281][ T2246]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554)
[   93.730283][ T2246]  ? __import_iovec (lib/iov_iter.c:1358 lib/iov_iter.c:1373)
[   93.730288][ T2246]  __sock_sendmsg (net/socket.c:800 (discriminator 4) net/socket.c:815 (discriminator 4))
[   93.730291][ T2246]  ____sys_sendmsg (net/socket.c:2713)
[   93.730293][ T2246]  ? copy_msghdr_from_user (net/socket.c:2650)
[   93.730295][ T2246]  ? sock_write_iter (net/socket.c:1269)
[   93.730297][ T2246]  ? move_addr_to_kernel (net/socket.c:258)
[   93.730304][ T2246]  ___sys_sendmsg (net/socket.c:2767)
[   93.730307][ T2246]  ? copy_msghdr_from_user (net/socket.c:2619)
[   93.730323][ T2246]  __sys_sendmsg (net/socket.c:2799)
[   93.730326][ T2246]  ? __sys_sendmsg_sock (net/socket.c:2780)
[   93.730333][ T2246]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   93.730336][ T2246]  do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84)
[   93.730339][ T2246]  ? exc_page_fault (arch/x86/mm/fault.c:1489 (discriminator 3) arch/x86/mm/fault.c:1536 (discriminator 3))
[   93.730342][ T2246]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[   93.730344][ T2246] RIP: 0033:0x7f5bdaedc54e
[   93.730347][ T2246] Code: 4d 89 d8 e8 b4 bd 00 00 4c 8b 5d f8 41 8b 93 08 03 00 00 59 5e 48 83 f8 fc 74 11 c9 c3 0f 1f 80 00 00 00 00 48 8b 45 10 0f 05 <c9> c3 83 e2 39 83 fa 08 75 e7 e8 03 ff ff ff 0f 1f 00 f3 0f 1e fa
All code
========
   0:	4d 89 d8             	mov    %r11,%r8
   3:	e8 b4 bd 00 00       	call   0xbdbc
   8:	4c 8b 5d f8          	mov    -0x8(%rbp),%r11
   c:	41 8b 93 08 03 00 00 	mov    0x308(%r11),%edx
  13:	59                   	pop    %rcx
  14:	5e                   	pop    %rsi
  15:	48 83 f8 fc          	cmp    $0xfffffffffffffffc,%rax
  19:	74 11                	je     0x2c
  1b:	c9                   	leave
  1c:	c3                   	ret
  1d:	0f 1f 80 00 00 00 00 	nopl   0x0(%rax)
  24:	48 8b 45 10          	mov    0x10(%rbp),%rax
  28:	0f 05                	syscall
  2a:*	c9                   	leave		<-- trapping instruction
  2b:	c3                   	ret
  2c:	83 e2 39             	and    $0x39,%edx
  2f:	83 fa 08             	cmp    $0x8,%edx
  32:	75 e7                	jne    0x1b
  34:	e8 03 ff ff ff       	call   0xffffffffffffff3c
  39:	0f 1f 00             	nopl   (%rax)
  3c:	f3 0f 1e fa          	endbr64

Code starting with the faulting instruction
===========================================
   0:	c9                   	leave
   1:	c3                   	ret
   2:	83 e2 39             	and    $0x39,%edx
   5:	83 fa 08             	cmp    $0x8,%edx
   8:	75 e7                	jne    0xfffffffffffffff1
   a:	e8 03 ff ff ff       	call   0xffffffffffffff12
   f:	0f 1f 00             	nopl   (%rax)
  12:	f3 0f 1e fa          	endbr64
[   93.730349][ T2246] RSP: 002b:00007ffcba421890 EFLAGS: 00000202 ORIG_RAX: 000000000000002e
[   93.730352][ T2246] RAX: ffffffffffffffda RBX: 0000000000000005 RCX: 00007f5bdaedc54e
[   93.730353][ T2246] RDX: 0000000000000000 RSI: 00007ffcba421940 RDI: 0000000000000005
[   93.730354][ T2246] RBP: 00007ffcba4218a0 R08: 0000000000000000 R09: 0000000000000000
[   93.730355][ T2246] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a911021
[   93.730356][ T2246] R13: 00000000004a1620 R14: 0000000000000000 R15: 00007ffcba422010
| [  218.752961][ T3726] softirqs last disabled at (29518): netif_change_name (./include/linux/spinlock.h:353 ./include/linux/seqlock.h:908 net/core/dev.c:1499)
| [  218.752964][ T3726] Preemption disabled at:
| [  218.752965][ T3726] vprintk_emit (kernel/printk/printk.c:2471)
| [  218.752973][ T3726] Tainted: [W]=WARN
[  218.752974][ T3726] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[  218.752976][ T3726] Call Trace:
[  218.752978][ T3726]  <TASK>
[  218.752979][ T3726]  dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120)
[  218.752985][ T3726]  ? vprintk_emit (kernel/printk/printk.c:2471)
[  218.752987][ T3726]  __might_resched.cold (kernel/sched/core.c:9234)
[  218.752991][ T3726]  ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3))
[  218.752995][ T3726]  ? __kmalloc_noprof (./include/linux/sched/mm.h:317 mm/slub.c:4636 mm/slub.c:4974 mm/slub.c:5413 mm/slub.c:5439)
[  218.753000][ T3726]  __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))
[  218.753002][ T3726]  ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[  218.753008][ T3726]  ? 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)
[  218.753011][ T3726]  alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[  218.753015][ T3726]  put_chars (drivers/char/virtio_console.c:1176)
[  218.753017][ T3726]  ? __send_to_port (drivers/char/virtio_console.c:654)
[  218.753023][ T3726]  hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2))
[  218.753031][ T3726]  ? hvc_write (drivers/tty/hvc/hvc_console.c:501)
[  218.753034][ T3726]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  218.753039][ T3726]  console_emit_next_record (kernel/printk/printk.c:3183)
[  218.753043][ T3726]  ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20)
[  218.753045][ T3726]  ? 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))
[  218.753048][ T3726]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  218.753051][ T3726]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  218.753058][ T3726]  console_flush_one_record (kernel/printk/printk.c:3268)
[  218.753063][ T3726]  ? console_emit_next_record (kernel/printk/printk.c:3150)
[  218.753065][ T3726]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[  218.753070][ T3726]  console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420)
[  218.753073][ T3726]  ? console_flush_one_record (kernel/printk/printk.c:3316)
[  218.753075][ T3726]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  218.753077][ T3726]  ? 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)
[  218.753081][ T3726]  ? __down_trylock_console_sem (kernel/printk/printk.c:334)
[  218.753083][ T3726]  ? vprintk_emit (kernel/printk/printk.c:2478)
[  218.753085][ T3726]  vprintk_emit (kernel/printk/printk.c:2479)
[  218.753089][ T3726]  ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126))
[  218.753091][ T3726]  ? _mutex_trylock_nest_lock (kernel/locking/mutex.c:1227 (discriminator 6))
[  218.753096][ T3726]  _printk (kernel/printk/printk.c:2504)
[  218.753100][ T3726]  ? snapshot_read.cold (user.c:?)
[  218.753102][ T3726]  ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4116 (discriminator 3) kernel/rcu/tree.c:4108 (discriminator 3))
[  218.753105][ T3726]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380)
[  218.753108][ T3726]  ? validate_chain (kernel/locking/lockdep.c:3817 (discriminator 2) kernel/locking/lockdep.c:3837 (discriminator 2) kernel/locking/lockdep.c:3892 (discriminator 2))
[  218.753110][ T3726]  ? netdev_name (./include/linux/netdevice.h:5709 (discriminator 1))
[  218.753114][ T3726]  ? __netdev_printk (net/core/dev.c:13148 (discriminator 2))
[  218.753117][ T3726]  ? do_setlink.isra.0 (net/core/rtnetlink.c:3246)
[  218.753119][ T3726]  netdev_info (net/core/dev.c:13195 (discriminator 3))
[  218.753122][ T3726]  ? netdev_notice (net/core/dev.c:13194)
[  218.753124][ T3726]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[  218.753131][ T3726]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554)
[  218.753134][ T3726]  ? mark_held_locks (kernel/locking/lockdep.c:4341)
[  218.753138][ T3726]  ? do_setlink.isra.0 (net/core/rtnetlink.c:3246)
[  218.753140][ T3726]  netif_change_name.cold (net/core/dev.c:1507 (discriminator 3))
[  218.753142][ T3726]  ? register_netdev (net/core/dev.c:11618)
[  218.753144][ T3726]  ? 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))
[  218.753149][ T3726]  ? netdev_adjacent_rename_links (net/core/dev.c:9598)
[  218.753152][ T3726]  ? __kernel_text_address (kernel/extable.c:79)
[  218.753154][ T3726]  ? write_profile (profile.c:?)
[  218.753158][ T3726]  ? __asan_memset (mm/kasan/shadow.c:84 (discriminator 1))
[  218.753164][ T3726]  do_setlink.isra.0 (net/core/rtnetlink.c:3246)
[  218.753167][ T3726]  ? stack_trace_save (kernel/stacktrace.c:122 (discriminator 1))
[  218.753170][ T3726]  ? rtnl_link_get_size (net/core/rtnetlink.c:747)
[  218.753171][ T3726]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:388 kernel/rcu/update.c:380)
[  218.753173][ T3726]  ? stack_depot_save_flags (lib/stackdepot.c:609 (discriminator 2) lib/stackdepot.c:676 (discriminator 2))
[  218.753176][ T3726]  ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4116 (discriminator 3) kernel/rcu/tree.c:4108 (discriminator 3))
[  218.753178][ T3726]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380)
[  218.753180][ T3726]  ? validate_chain (kernel/locking/lockdep.c:3817 (discriminator 2) kernel/locking/lockdep.c:3837 (discriminator 2) kernel/locking/lockdep.c:3892 (discriminator 2))
[  218.753182][ T3726]  ? kasan_save_stack (mm/kasan/common.c:58)
[  218.753184][ T3726]  ? kasan_save_stack (mm/kasan/common.c:57)
[  218.753185][ T3726]  ? kasan_save_track (mm/kasan/common.c:78)
[  218.753187][ T3726]  ? __kasan_kmalloc (mm/kasan/common.c:398 mm/kasan/common.c:415)
[  218.753189][ T3726]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[  218.753191][ T3726]  ? snd_ac97_proc_read_main (sound/pci/ac97/ac97_proc.c:320)
[  218.753194][ T3726]  ? ___sys_sendmsg (net/socket.c:2758)
[  218.753198][ T3726]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2))
[  218.753200][ T3726]  ? rtnl_newlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:366 net/core/rtnetlink.c:4214)
[  218.753203][ T3726]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  218.753205][ T3726]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  218.753206][ T3726]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  218.753207][ T3726]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  218.753209][ T3726]  ? trace_contention_end (./include/trace/events/lock.h:121 (discriminator 22))
[  218.753211][ T3726]  ? __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)
[  218.753213][ T3726]  ? __mutex_lock (kernel/locking/mutex.c:656 (discriminator 1) kernel/locking/mutex.c:821 (discriminator 1))
[  218.753214][ T3726]  ? rtnl_newlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:366 net/core/rtnetlink.c:4214)
[  218.753218][ T3726]  ? ww_mutex_lock (kernel/locking/mutex.c:934)
[  218.753219][ T3726]  ? nla_get_range_signed (lib/nlattr.c:270)
[  218.753225][ T3726]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  218.753229][ T3726]  ? __rtnl_newlink (net/core/rtnetlink.c:4063)
[  218.753236][ T3726]  rtnl_newlink (net/core/rtnetlink.c:4215)
[  218.753241][ T3726]  ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558)
[  218.753243][ T3726]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[  218.753248][ T3726]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2))
[  218.753250][ T3726]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[  218.753252][ T3726]  ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558)
[  218.753254][ T3726]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554)
[  218.753257][ T3726]  ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558)
[  218.753259][ T3726]  rtnetlink_rcv_msg (net/core/rtnetlink.c:7132)
[  218.753267][ T3726]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[  218.753268][ T3726]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[  218.753273][ T3726]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2))
[  218.753275][ T3726]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[  218.753279][ T3726]  netlink_rcv_skb (net/netlink/af_netlink.c:2556)
[  218.753282][ T3726]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[  218.753285][ T3726]  ? netlink_ack (./include/linux/skbuff.h:2718)
[  218.753292][ T3726]  ? 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))
[  218.753294][ T3726]  ? 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))
[  218.753298][ T3726]  netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[  218.753302][ T3726]  ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[  218.753305][ T3726]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[  218.753309][ T3726]  netlink_sendmsg (net/netlink/af_netlink.c:1900)
[  218.753313][ T3726]  ? netlink_unicast (./include/net/net_namespace.h:422 (discriminator 7))
[  218.753317][ T3726]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554)
[  218.753319][ T3726]  ? __import_iovec (lib/iov_iter.c:1358 lib/iov_iter.c:1373)
[  218.753324][ T3726]  __sock_sendmsg (net/socket.c:800 (discriminator 4) net/socket.c:815 (discriminator 4))
[  218.753327][ T3726]  ____sys_sendmsg (net/socket.c:2713)
[  218.753330][ T3726]  ? copy_msghdr_from_user (net/socket.c:2650)
[  218.753332][ T3726]  ? sock_write_iter (net/socket.c:1269)
[  218.753333][ T3726]  ? move_addr_to_kernel (net/socket.c:258)
[  218.753341][ T3726]  ___sys_sendmsg (net/socket.c:2767)
[  218.753344][ T3726]  ? copy_msghdr_from_user (net/socket.c:2619)
[  218.753360][ T3726]  __sys_sendmsg (net/socket.c:2799)
[  218.753363][ T3726]  ? __sys_sendmsg_sock (net/socket.c:2780)
[  218.753369][ T3726]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  218.753372][ T3726]  do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84)
[  218.753375][ T3726]  ? exc_page_fault (arch/x86/mm/fault.c:1489 (discriminator 3) arch/x86/mm/fault.c:1536 (discriminator 3))
[  218.753378][ T3726]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[  218.753380][ T3726] RIP: 0033:0x7ff144ec754e
[  218.753384][ T3726] 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
[  218.753386][ T3726] RSP: 002b:00007ffd6295ae90 EFLAGS: 00000202 ORIG_RAX: 000000000000002e
[  218.753389][ T3726] RAX: ffffffffffffffda RBX: 0000000000000005 RCX: 00007ff144ec754e
[  218.753390][ T3726] RDX: 0000000000000000 RSI: 00007ffd6295af40 RDI: 0000000000000005
[  218.753391][ T3726] RBP: 00007ffd6295aea0 R08: 0000000000000000 R09: 0000000000000000
[  218.753392][ T3726] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a91109e
[  218.753392][ T3726] R13: 00000000004a1620 R14: 0000000000000000 R15: 00007ffd6295b610
| [  225.760760][ T3943] softirqs last disabled at (16672): netif_change_name (./include/linux/spinlock.h:353 ./include/linux/seqlock.h:908 net/core/dev.c:1499)
| [  225.760763][ T3943] Preemption disabled at:
| [  225.760763][ T3943] vprintk_emit (kernel/printk/printk.c:2471)
| [  225.760771][ T3943] Tainted: [W]=WARN
[  225.760772][ T3943] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[  225.760773][ T3943] Call Trace:
[  225.760775][ T3943]  <TASK>
[  225.760776][ T3943]  dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120)
[  225.760782][ T3943]  ? vprintk_emit (kernel/printk/printk.c:2471)
[  225.760784][ T3943]  __might_resched.cold (kernel/sched/core.c:9234)
[  225.760788][ T3943]  ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3))
[  225.760792][ T3943]  ? __kmalloc_noprof (./include/linux/sched/mm.h:317 mm/slub.c:4636 mm/slub.c:4974 mm/slub.c:5413 mm/slub.c:5439)
[  225.760797][ T3943]  __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))
[  225.760798][ T3943]  ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[  225.760805][ T3943]  ? 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)
[  225.760808][ T3943]  alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[  225.760812][ T3943]  put_chars (drivers/char/virtio_console.c:1176)
[  225.760814][ T3943]  ? __send_to_port (drivers/char/virtio_console.c:654)
[  225.760821][ T3943]  hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2))
[  225.760829][ T3943]  ? hvc_write (drivers/tty/hvc/hvc_console.c:501)
[  225.760832][ T3943]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  225.760836][ T3943]  console_emit_next_record (kernel/printk/printk.c:3183)
[  225.760840][ T3943]  ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20)
[  225.760842][ T3943]  ? 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))
[  225.760845][ T3943]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  225.760848][ T3943]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  225.760852][ T3943]  console_flush_one_record (kernel/printk/printk.c:3268)
[  225.760856][ T3943]  ? console_emit_next_record (kernel/printk/printk.c:3150)
[  225.760858][ T3943]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[  225.760863][ T3943]  console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420)
[  225.760866][ T3943]  ? console_flush_one_record (kernel/printk/printk.c:3316)
[  225.760868][ T3943]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  225.760870][ T3943]  ? 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)
[  225.760874][ T3943]  ? __down_trylock_console_sem (kernel/printk/printk.c:334)
[  225.760875][ T3943]  ? vprintk_emit (kernel/printk/printk.c:2478)
[  225.760878][ T3943]  vprintk_emit (kernel/printk/printk.c:2479)
[  225.760881][ T3943]  ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126))
[  225.760884][ T3943]  ? _mutex_trylock_nest_lock (kernel/locking/mutex.c:1227 (discriminator 6))
[  225.760889][ T3943]  _printk (kernel/printk/printk.c:2504)
[  225.760892][ T3943]  ? snapshot_read.cold (user.c:?)
[  225.760894][ T3943]  ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4116 (discriminator 3) kernel/rcu/tree.c:4108 (discriminator 3))
[  225.760897][ T3943]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380)
[  225.760900][ T3943]  ? validate_chain (kernel/locking/lockdep.c:3817 (discriminator 2) kernel/locking/lockdep.c:3837 (discriminator 2) kernel/locking/lockdep.c:3892 (discriminator 2))
[  225.760902][ T3943]  ? netdev_name (./include/linux/netdevice.h:5709 (discriminator 1))
[  225.760905][ T3943]  ? __netdev_printk (net/core/dev.c:13148 (discriminator 2))
[  225.760908][ T3943]  ? do_setlink.isra.0 (net/core/rtnetlink.c:3246)
[  225.760910][ T3943]  netdev_info (net/core/dev.c:13195 (discriminator 3))
[  225.760914][ T3943]  ? netdev_notice (net/core/dev.c:13194)
[  225.760916][ T3943]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[  225.760919][ T3943]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554)
[  225.760922][ T3943]  ? mark_held_locks (kernel/locking/lockdep.c:4341)
[  225.760925][ T3943]  ? do_setlink.isra.0 (net/core/rtnetlink.c:3246)
[  225.760927][ T3943]  netif_change_name.cold (net/core/dev.c:1507 (discriminator 3))
[  225.760930][ T3943]  ? register_netdev (net/core/dev.c:11618)
[  225.760931][ T3943]  ? 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))
[  225.760936][ T3943]  ? netdev_adjacent_rename_links (net/core/dev.c:9598)
[  225.760939][ T3943]  ? __kernel_text_address (kernel/extable.c:79)
[  225.760941][ T3943]  ? write_profile (profile.c:?)
[  225.760945][ T3943]  ? __asan_memset (mm/kasan/shadow.c:84 (discriminator 1))
[  225.760951][ T3943]  do_setlink.isra.0 (net/core/rtnetlink.c:3246)
[  225.760954][ T3943]  ? stack_trace_save (kernel/stacktrace.c:122 (discriminator 1))
[  225.760956][ T3943]  ? rtnl_link_get_size (net/core/rtnetlink.c:747)
[  225.760958][ T3943]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:388 kernel/rcu/update.c:380)
[  225.760959][ T3943]  ? stack_depot_save_flags (lib/stackdepot.c:609 (discriminator 2) lib/stackdepot.c:676 (discriminator 2))
[  225.760963][ T3943]  ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4116 (discriminator 3) kernel/rcu/tree.c:4108 (discriminator 3))
[  225.760965][ T3943]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380)
[  225.760966][ T3943]  ? validate_chain (kernel/locking/lockdep.c:3817 (discriminator 2) kernel/locking/lockdep.c:3837 (discriminator 2) kernel/locking/lockdep.c:3892 (discriminator 2))
[  225.760969][ T3943]  ? kasan_save_stack (mm/kasan/common.c:58)
[  225.760971][ T3943]  ? kasan_save_stack (mm/kasan/common.c:57)
[  225.760972][ T3943]  ? kasan_save_track (mm/kasan/common.c:78)
[  225.760973][ T3943]  ? __kasan_kmalloc (mm/kasan/common.c:398 mm/kasan/common.c:415)
[  225.760975][ T3943]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[  225.760977][ T3943]  ? snd_ac97_proc_read_main (sound/pci/ac97/ac97_proc.c:320)
[  225.760980][ T3943]  ? ___sys_sendmsg (net/socket.c:2758)
[  225.760984][ T3943]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2))
[  225.760986][ T3943]  ? rtnl_newlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:366 net/core/rtnetlink.c:4214)
[  225.760989][ T3943]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  225.760991][ T3943]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  225.760992][ T3943]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  225.760993][ T3943]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  225.760995][ T3943]  ? trace_contention_end (./include/trace/events/lock.h:121 (discriminator 22))
[  225.760997][ T3943]  ? __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)
[  225.760999][ T3943]  ? __mutex_lock (kernel/locking/mutex.c:656 (discriminator 1) kernel/locking/mutex.c:821 (discriminator 1))
[  225.761001][ T3943]  ? rtnl_newlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:366 net/core/rtnetlink.c:4214)
[  225.761004][ T3943]  ? ww_mutex_lock (kernel/locking/mutex.c:934)
[  225.761005][ T3943]  ? nla_get_range_signed (lib/nlattr.c:270)
[  225.761010][ T3943]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  225.761012][ T3943]  ? __rtnl_newlink (net/core/rtnetlink.c:4063)
[  225.761017][ T3943]  rtnl_newlink (net/core/rtnetlink.c:4215)
[  225.761023][ T3943]  ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558)
[  225.761025][ T3943]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[  225.761029][ T3943]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2))
[  225.761031][ T3943]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[  225.761033][ T3943]  ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558)
[  225.761035][ T3943]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554)
[  225.761039][ T3943]  ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558)
[  225.761041][ T3943]  rtnetlink_rcv_msg (net/core/rtnetlink.c:7132)
[  225.761044][ T3943]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[  225.761045][ T3943]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[  225.761050][ T3943]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2))
[  225.761052][ T3943]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[  225.761055][ T3943]  netlink_rcv_skb (net/netlink/af_netlink.c:2556)
[  225.761058][ T3943]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[  225.761061][ T3943]  ? netlink_ack (./include/linux/skbuff.h:2718)
[  225.761068][ T3943]  ? 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))
[  225.761070][ T3943]  ? 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))
[  225.761074][ T3943]  netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[  225.761078][ T3943]  ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[  225.761081][ T3943]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[  225.761085][ T3943]  netlink_sendmsg (net/netlink/af_netlink.c:1900)
[  225.761089][ T3943]  ? netlink_unicast (./include/net/net_namespace.h:422 (discriminator 7))
[  225.761093][ T3943]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554)
[  225.761094][ T3943]  ? __import_iovec (lib/iov_iter.c:1358 lib/iov_iter.c:1373)
[  225.761100][ T3943]  __sock_sendmsg (net/socket.c:800 (discriminator 4) net/socket.c:815 (discriminator 4))
[  225.761103][ T3943]  ____sys_sendmsg (net/socket.c:2713)
[  225.761105][ T3943]  ? copy_msghdr_from_user (net/socket.c:2650)
[  225.761107][ T3943]  ? sock_write_iter (net/socket.c:1269)
[  225.761109][ T3943]  ? move_addr_to_kernel (net/socket.c:258)
[  225.761116][ T3943]  ___sys_sendmsg (net/socket.c:2767)
[  225.761119][ T3943]  ? copy_msghdr_from_user (net/socket.c:2619)
[  225.761138][ T3943]  __sys_sendmsg (net/socket.c:2799)
[  225.761141][ T3943]  ? __sys_sendmsg_sock (net/socket.c:2780)
[  225.761147][ T3943]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  225.761150][ T3943]  do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84)
[  225.761153][ T3943]  ? exc_page_fault (arch/x86/mm/fault.c:1489 (discriminator 3) arch/x86/mm/fault.c:1536 (discriminator 3))
[  225.761156][ T3943]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[  225.761158][ T3943] RIP: 0033:0x7f2d4ef4e54e
[  225.761162][ T3943] 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
[  225.761163][ T3943] RSP: 002b:00007fff25c3a110 EFLAGS: 00000202 ORIG_RAX: 000000000000002e
[  225.761166][ T3943] RAX: ffffffffffffffda RBX: 0000000000000005 RCX: 00007f2d4ef4e54e
[  225.761167][ T3943] RDX: 0000000000000000 RSI: 00007fff25c3a1c0 RDI: 0000000000000005
[  225.761168][ T3943] RBP: 00007fff25c3a120 R08: 0000000000000000 R09: 0000000000000000
[  225.761169][ T3943] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a9110a5
[  225.761170][ T3943] R13: 00000000004a1620 R14: 0000000000000000 R15: 00007fff25c3a890
| [  303.660718][ T4930] softirqs last disabled at (24838): netif_change_name (./include/linux/spinlock.h:353 ./include/linux/seqlock.h:908 net/core/dev.c:1499)
| [  303.660720][ T4930] Preemption disabled at:
| [  303.660721][ T4930] vprintk_emit (kernel/printk/printk.c:2471)
| [  303.660730][ T4930] Tainted: [W]=WARN
[  303.660731][ T4930] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[  303.660732][ T4930] Call Trace:
[  303.660734][ T4930]  <TASK>
[  303.660735][ T4930]  dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120)
[  303.660742][ T4930]  ? vprintk_emit (kernel/printk/printk.c:2471)
[  303.660743][ T4930]  __might_resched.cold (kernel/sched/core.c:9234)
[  303.660748][ T4930]  ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3))
[  303.660752][ T4930]  ? __kmalloc_noprof (./include/linux/sched/mm.h:317 mm/slub.c:4636 mm/slub.c:4974 mm/slub.c:5413 mm/slub.c:5439)
[  303.660756][ T4930]  __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))
[  303.660758][ T4930]  ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[  303.660765][ T4930]  ? 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)
[  303.660768][ T4930]  alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[  303.660772][ T4930]  put_chars (drivers/char/virtio_console.c:1176)
[  303.660774][ T4930]  ? __send_to_port (drivers/char/virtio_console.c:654)
[  303.660780][ T4930]  hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2))
[  303.660788][ T4930]  ? hvc_write (drivers/tty/hvc/hvc_console.c:501)
[  303.660791][ T4930]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  303.660796][ T4930]  console_emit_next_record (kernel/printk/printk.c:3183)
[  303.660800][ T4930]  ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20)
[  303.660801][ T4930]  ? 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))
[  303.660804][ T4930]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  303.660807][ T4930]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  303.660811][ T4930]  console_flush_one_record (kernel/printk/printk.c:3268)
[  303.660815][ T4930]  ? console_emit_next_record (kernel/printk/printk.c:3150)
[  303.660817][ T4930]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[  303.660822][ T4930]  console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420)
[  303.660825][ T4930]  ? console_flush_one_record (kernel/printk/printk.c:3316)
[  303.660827][ T4930]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  303.660829][ T4930]  ? 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)
[  303.660833][ T4930]  ? __down_trylock_console_sem (kernel/printk/printk.c:334)
[  303.660834][ T4930]  ? vprintk_emit (kernel/printk/printk.c:2478)
[  303.660837][ T4930]  vprintk_emit (kernel/printk/printk.c:2479)
[  303.660840][ T4930]  ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126))
[  303.660843][ T4930]  ? _mutex_trylock_nest_lock (kernel/locking/mutex.c:1227 (discriminator 6))
[  303.660847][ T4930]  _printk (kernel/printk/printk.c:2504)
[  303.660851][ T4930]  ? snapshot_read.cold (user.c:?)
[  303.660853][ T4930]  ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4116 (discriminator 3) kernel/rcu/tree.c:4108 (discriminator 3))
[  303.660856][ T4930]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380)
[  303.660858][ T4930]  ? validate_chain (kernel/locking/lockdep.c:3817 (discriminator 2) kernel/locking/lockdep.c:3837 (discriminator 2) kernel/locking/lockdep.c:3892 (discriminator 2))
[  303.660861][ T4930]  ? netdev_name (./include/linux/netdevice.h:5709 (discriminator 1))
[  303.660864][ T4930]  ? __netdev_printk (net/core/dev.c:13148 (discriminator 2))
[  303.660867][ T4930]  ? do_setlink.isra.0 (net/core/rtnetlink.c:3246)
[  303.660869][ T4930]  netdev_info (net/core/dev.c:13195 (discriminator 3))
[  303.660872][ T4930]  ? netdev_notice (net/core/dev.c:13194)
[  303.660875][ T4930]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[  303.660878][ T4930]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554)
[  303.660880][ T4930]  ? mark_held_locks (kernel/locking/lockdep.c:4341)
[  303.660884][ T4930]  ? do_setlink.isra.0 (net/core/rtnetlink.c:3246)
[  303.660886][ T4930]  netif_change_name.cold (net/core/dev.c:1507 (discriminator 3))
[  303.660888][ T4930]  ? register_netdev (net/core/dev.c:11618)
[  303.660889][ T4930]  ? 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))
[  303.660894][ T4930]  ? netdev_adjacent_rename_links (net/core/dev.c:9598)
[  303.660897][ T4930]  ? __kernel_text_address (kernel/extable.c:79)
[  303.660900][ T4930]  ? write_profile (profile.c:?)
[  303.660904][ T4930]  ? __asan_memset (mm/kasan/shadow.c:84 (discriminator 1))
[  303.660910][ T4930]  do_setlink.isra.0 (net/core/rtnetlink.c:3246)
[  303.660913][ T4930]  ? stack_trace_save (kernel/stacktrace.c:122 (discriminator 1))
[  303.660915][ T4930]  ? rtnl_link_get_size (net/core/rtnetlink.c:747)
[  303.660916][ T4930]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:388 kernel/rcu/update.c:380)
[  303.660918][ T4930]  ? stack_depot_save_flags (lib/stackdepot.c:609 (discriminator 2) lib/stackdepot.c:676 (discriminator 2))
[  303.660922][ T4930]  ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4116 (discriminator 3) kernel/rcu/tree.c:4108 (discriminator 3))
[  303.660924][ T4930]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380)
[  303.660925][ T4930]  ? validate_chain (kernel/locking/lockdep.c:3817 (discriminator 2) kernel/locking/lockdep.c:3837 (discriminator 2) kernel/locking/lockdep.c:3892 (discriminator 2))
[  303.660928][ T4930]  ? kasan_save_stack (mm/kasan/common.c:58)
[  303.660930][ T4930]  ? kasan_save_stack (mm/kasan/common.c:57)
[  303.660931][ T4930]  ? kasan_save_track (mm/kasan/common.c:78)
[  303.660932][ T4930]  ? __kasan_kmalloc (mm/kasan/common.c:398 mm/kasan/common.c:415)
[  303.660934][ T4930]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[  303.660936][ T4930]  ? snd_ac97_proc_read_main (sound/pci/ac97/ac97_proc.c:320)
[  303.660939][ T4930]  ? ___sys_sendmsg (net/socket.c:2758)
[  303.660943][ T4930]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2))
[  303.660945][ T4930]  ? rtnl_newlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:366 net/core/rtnetlink.c:4214)
[  303.660948][ T4930]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  303.660949][ T4930]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  303.660951][ T4930]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  303.660952][ T4930]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  303.660953][ T4930]  ? trace_contention_end (./include/trace/events/lock.h:121 (discriminator 22))
[  303.660956][ T4930]  ? __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)
[  303.660957][ T4930]  ? __mutex_lock (kernel/locking/mutex.c:656 (discriminator 1) kernel/locking/mutex.c:821 (discriminator 1))
[  303.660959][ T4930]  ? rtnl_newlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:366 net/core/rtnetlink.c:4214)
[  303.660962][ T4930]  ? ww_mutex_lock (kernel/locking/mutex.c:934)
[  303.660963][ T4930]  ? nla_get_range_signed (lib/nlattr.c:270)
[  303.660968][ T4930]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  303.660970][ T4930]  ? __rtnl_newlink (net/core/rtnetlink.c:4063)
[  303.660975][ T4930]  rtnl_newlink (net/core/rtnetlink.c:4215)
[  303.660981][ T4930]  ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558)
[  303.660982][ T4930]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[  303.660987][ T4930]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2))
[  303.660989][ T4930]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[  303.660991][ T4930]  ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558)
[  303.660992][ T4930]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554)
[  303.660996][ T4930]  ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558)
[  303.660998][ T4930]  rtnetlink_rcv_msg (net/core/rtnetlink.c:7132)
[  303.661001][ T4930]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[  303.661003][ T4930]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[  303.661007][ T4930]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2))
[  303.661009][ T4930]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[  303.661012][ T4930]  netlink_rcv_skb (net/netlink/af_netlink.c:2556)
[  303.661015][ T4930]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[  303.661018][ T4930]  ? netlink_ack (./include/linux/skbuff.h:2718)
[  303.661025][ T4930]  ? 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))
[  303.661027][ T4930]  ? 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))
[  303.661031][ T4930]  netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[  303.661035][ T4930]  ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[  303.661037][ T4930]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[  303.661042][ T4930]  netlink_sendmsg (net/netlink/af_netlink.c:1900)
[  303.661046][ T4930]  ? netlink_unicast (./include/net/net_namespace.h:422 (discriminator 7))
[  303.661050][ T4930]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554)
[  303.661051][ T4930]  ? __import_iovec (lib/iov_iter.c:1358 lib/iov_iter.c:1373)
[  303.661056][ T4930]  __sock_sendmsg (net/socket.c:800 (discriminator 4) net/socket.c:815 (discriminator 4))
[  303.661059][ T4930]  ____sys_sendmsg (net/socket.c:2713)
[  303.661061][ T4930]  ? copy_msghdr_from_user (net/socket.c:2650)
[  303.661064][ T4930]  ? sock_write_iter (net/socket.c:1269)
[  303.661065][ T4930]  ? move_addr_to_kernel (net/socket.c:258)
[  303.661073][ T4930]  ___sys_sendmsg (net/socket.c:2767)
[  303.661075][ T4930]  ? copy_msghdr_from_user (net/socket.c:2619)
[  303.661091][ T4930]  __sys_sendmsg (net/socket.c:2799)
[  303.661094][ T4930]  ? __sys_sendmsg_sock (net/socket.c:2780)
[  303.661100][ T4930]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  303.661103][ T4930]  do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84)
[  303.661106][ T4930]  ? exc_page_fault (arch/x86/mm/fault.c:1489 (discriminator 3) arch/x86/mm/fault.c:1536 (discriminator 3))
[  303.661109][ T4930]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[  303.661111][ T4930] RIP: 0033:0x7efc320d054e
[  303.661115][ T4930] 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
[  303.661117][ T4930] RSP: 002b:00007ffed54a0af0 EFLAGS: 00000202 ORIG_RAX: 000000000000002e
[  303.661119][ T4930] RAX: ffffffffffffffda RBX: 0000000000000005 RCX: 00007efc320d054e
[  303.661121][ T4930] RDX: 0000000000000000 RSI: 00007ffed54a0ba0 RDI: 0000000000000005
[  303.661122][ T4930] RBP: 00007ffed54a0b00 R08: 0000000000000000 R09: 0000000000000000
[  303.661122][ T4930] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a9110f2
[  303.661123][ T4930] R13: 00000000004a1620 R14: 0000000000000000 R15: 00007ffed54a1270
| [  417.153661][ T6558] softirqs last disabled at (18492): netif_change_name (./include/linux/spinlock.h:353 ./include/linux/seqlock.h:908 net/core/dev.c:1499)
| [  417.153663][ T6558] Preemption disabled at:
| [  417.153664][ T6558] vprintk_emit (kernel/printk/printk.c:2471)
| [  417.153672][ T6558] Tainted: [W]=WARN
[  417.153673][ T6558] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[  417.153675][ T6558] Call Trace:
[  417.153676][ T6558]  <TASK>
[  417.153678][ T6558]  dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120)
[  417.153683][ T6558]  ? vprintk_emit (kernel/printk/printk.c:2471)
[  417.153685][ T6558]  __might_resched.cold (kernel/sched/core.c:9234)
[  417.153689][ T6558]  ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3))
[  417.153693][ T6558]  ? __kmalloc_noprof (./include/linux/sched/mm.h:317 mm/slub.c:4636 mm/slub.c:4974 mm/slub.c:5413 mm/slub.c:5439)
[  417.153698][ T6558]  __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))
[  417.153700][ T6558]  ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[  417.153706][ T6558]  ? 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)
[  417.153709][ T6558]  alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[  417.153713][ T6558]  put_chars (drivers/char/virtio_console.c:1176)
[  417.153715][ T6558]  ? __send_to_port (drivers/char/virtio_console.c:654)
[  417.153721][ T6558]  hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2))
[  417.153729][ T6558]  ? hvc_write (drivers/tty/hvc/hvc_console.c:501)
[  417.153732][ T6558]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  417.153737][ T6558]  console_emit_next_record (kernel/printk/printk.c:3183)
[  417.153741][ T6558]  ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20)
[  417.153742][ T6558]  ? 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))
[  417.153746][ T6558]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  417.153748][ T6558]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  417.153752][ T6558]  console_flush_one_record (kernel/printk/printk.c:3268)
[  417.153757][ T6558]  ? console_emit_next_record (kernel/printk/printk.c:3150)
[  417.153758][ T6558]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[  417.153764][ T6558]  console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420)
[  417.153767][ T6558]  ? console_flush_one_record (kernel/printk/printk.c:3316)
[  417.153769][ T6558]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  417.153770][ T6558]  ? 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)
[  417.153774][ T6558]  ? __down_trylock_console_sem (kernel/printk/printk.c:334)
[  417.153776][ T6558]  ? vprintk_emit (kernel/printk/printk.c:2478)
[  417.153778][ T6558]  vprintk_emit (kernel/printk/printk.c:2479)
[  417.153781][ T6558]  ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126))
[  417.153784][ T6558]  ? _mutex_trylock_nest_lock (kernel/locking/mutex.c:1227 (discriminator 6))
[  417.153789][ T6558]  _printk (kernel/printk/printk.c:2504)
[  417.153792][ T6558]  ? snapshot_read.cold (user.c:?)
[  417.153794][ T6558]  ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4116 (discriminator 3) kernel/rcu/tree.c:4108 (discriminator 3))
[  417.153797][ T6558]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380)
[  417.153799][ T6558]  ? validate_chain (kernel/locking/lockdep.c:3817 (discriminator 2) kernel/locking/lockdep.c:3837 (discriminator 2) kernel/locking/lockdep.c:3892 (discriminator 2))
[  417.153801][ T6558]  ? netdev_name (./include/linux/netdevice.h:5709 (discriminator 1))
[  417.153805][ T6558]  ? __netdev_printk (net/core/dev.c:13148 (discriminator 2))
[  417.153808][ T6558]  ? do_setlink.isra.0 (net/core/rtnetlink.c:3246)
[  417.153810][ T6558]  netdev_info (net/core/dev.c:13195 (discriminator 3))
[  417.153813][ T6558]  ? netdev_notice (net/core/dev.c:13194)
[  417.153816][ T6558]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[  417.153819][ T6558]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554)
[  417.153821][ T6558]  ? mark_held_locks (kernel/locking/lockdep.c:4341)
[  417.153825][ T6558]  ? do_setlink.isra.0 (net/core/rtnetlink.c:3246)
[  417.153827][ T6558]  netif_change_name.cold (net/core/dev.c:1507 (discriminator 3))
[  417.153829][ T6558]  ? register_netdev (net/core/dev.c:11618)
[  417.153831][ T6558]  ? 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))
[  417.153836][ T6558]  ? netdev_adjacent_rename_links (net/core/dev.c:9598)
[  417.153839][ T6558]  ? __kernel_text_address (kernel/extable.c:79)
[  417.153841][ T6558]  ? write_profile (profile.c:?)
[  417.153846][ T6558]  ? __asan_memset (mm/kasan/shadow.c:84 (discriminator 1))
[  417.153851][ T6558]  do_setlink.isra.0 (net/core/rtnetlink.c:3246)
[  417.153855][ T6558]  ? stack_trace_save (kernel/stacktrace.c:122 (discriminator 1))
[  417.153857][ T6558]  ? rtnl_link_get_size (net/core/rtnetlink.c:747)
[  417.153858][ T6558]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:388 kernel/rcu/update.c:380)
[  417.153860][ T6558]  ? stack_depot_save_flags (lib/stackdepot.c:609 (discriminator 2) lib/stackdepot.c:676 (discriminator 2))
[  417.153863][ T6558]  ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4116 (discriminator 3) kernel/rcu/tree.c:4108 (discriminator 3))
[  417.153865][ T6558]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380)
[  417.153867][ T6558]  ? validate_chain (kernel/locking/lockdep.c:3817 (discriminator 2) kernel/locking/lockdep.c:3837 (discriminator 2) kernel/locking/lockdep.c:3892 (discriminator 2))
[  417.153869][ T6558]  ? kasan_save_stack (mm/kasan/common.c:58)
[  417.153871][ T6558]  ? kasan_save_stack (mm/kasan/common.c:57)
[  417.153872][ T6558]  ? kasan_save_track (mm/kasan/common.c:78)
[  417.153873][ T6558]  ? __kasan_kmalloc (mm/kasan/common.c:398 mm/kasan/common.c:415)
[  417.153876][ T6558]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[  417.153878][ T6558]  ? snd_ac97_proc_read_main (sound/pci/ac97/ac97_proc.c:320)
[  417.153881][ T6558]  ? ___sys_sendmsg (net/socket.c:2758)
[  417.153884][ T6558]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2))
[  417.153887][ T6558]  ? rtnl_newlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:366 net/core/rtnetlink.c:4214)
[  417.153889][ T6558]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  417.153891][ T6558]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  417.153892][ T6558]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  417.153894][ T6558]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  417.153895][ T6558]  ? trace_contention_end (./include/trace/events/lock.h:121 (discriminator 22))
[  417.153897][ T6558]  ? __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)
[  417.153898][ T6558]  ? __mutex_lock (kernel/locking/mutex.c:656 (discriminator 1) kernel/locking/mutex.c:821 (discriminator 1))
[  417.153900][ T6558]  ? rtnl_newlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:366 net/core/rtnetlink.c:4214)
[  417.153904][ T6558]  ? ww_mutex_lock (kernel/locking/mutex.c:934)
[  417.153905][ T6558]  ? nla_get_range_signed (lib/nlattr.c:270)
[  417.153910][ T6558]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  417.153912][ T6558]  ? __rtnl_newlink (net/core/rtnetlink.c:4063)
[  417.153917][ T6558]  rtnl_newlink (net/core/rtnetlink.c:4215)
[  417.153922][ T6558]  ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558)
[  417.153924][ T6558]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[  417.153929][ T6558]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2))
[  417.153931][ T6558]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[  417.153933][ T6558]  ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558)
[  417.153934][ T6558]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554)
[  417.153938][ T6558]  ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558)
[  417.153940][ T6558]  rtnetlink_rcv_msg (net/core/rtnetlink.c:7132)
[  417.153943][ T6558]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[  417.153945][ T6558]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[  417.153949][ T6558]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2))
[  417.153951][ T6558]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[  417.153955][ T6558]  netlink_rcv_skb (net/netlink/af_netlink.c:2556)
[  417.153958][ T6558]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[  417.153961][ T6558]  ? netlink_ack (./include/linux/skbuff.h:2718)
[  417.153967][ T6558]  ? 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))
[  417.153974][ T6558]  ? 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))
[  417.153979][ T6558]  netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[  417.153982][ T6558]  ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[  417.153985][ T6558]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[  417.153989][ T6558]  netlink_sendmsg (net/netlink/af_netlink.c:1900)
[  417.153993][ T6558]  ? netlink_unicast (./include/net/net_namespace.h:422 (discriminator 7))
[  417.153997][ T6558]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554)
[  417.153999][ T6558]  ? __import_iovec (lib/iov_iter.c:1358 lib/iov_iter.c:1373)
[  417.154004][ T6558]  __sock_sendmsg (net/socket.c:800 (discriminator 4) net/socket.c:815 (discriminator 4))
[  417.154007][ T6558]  ____sys_sendmsg (net/socket.c:2713)
[  417.154009][ T6558]  ? copy_msghdr_from_user (net/socket.c:2650)
[  417.154011][ T6558]  ? sock_write_iter (net/socket.c:1269)
[  417.154013][ T6558]  ? move_addr_to_kernel (net/socket.c:258)
[  417.154020][ T6558]  ___sys_sendmsg (net/socket.c:2767)
[  417.154023][ T6558]  ? copy_msghdr_from_user (net/socket.c:2619)
[  417.154039][ T6558]  __sys_sendmsg (net/socket.c:2799)
[  417.154041][ T6558]  ? __sys_sendmsg_sock (net/socket.c:2780)
[  417.154047][ T6558]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  417.154050][ T6558]  do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84)
[  417.154053][ T6558]  ? exc_page_fault (arch/x86/mm/fault.c:1489 (discriminator 3) arch/x86/mm/fault.c:1536 (discriminator 3))
[  417.154056][ T6558]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[  417.154058][ T6558] RIP: 0033:0x7f02ede9354e
[  417.154062][ T6558] 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
[  417.154064][ T6558] RSP: 002b:00007ffd12f1fd10 EFLAGS: 00000202 ORIG_RAX: 000000000000002e
[  417.154066][ T6558] RAX: ffffffffffffffda RBX: 0000000000000005 RCX: 00007f02ede9354e
[  417.154068][ T6558] RDX: 0000000000000000 RSI: 00007ffd12f1fdc0 RDI: 0000000000000005
[  417.154068][ T6558] RBP: 00007ffd12f1fd20 R08: 0000000000000000 R09: 0000000000000000
[  417.154069][ T6558] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a911164
[  417.154070][ T6558] R13: 00000000004a1620 R14: 0000000000000000 R15: 00007ffd12f20490
| [  440.110682][ T7374] softirqs last disabled at (23566): netif_change_name (./include/linux/spinlock.h:353 ./include/linux/seqlock.h:908 net/core/dev.c:1499)
| [  440.110685][ T7374] Preemption disabled at:
| [  440.110685][ T7374] vprintk_emit (kernel/printk/printk.c:2471)
| [  440.110693][ T7374] Tainted: [W]=WARN
[  440.110694][ T7374] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[  440.110696][ T7374] Call Trace:
[  440.110697][ T7374]  <TASK>
[  440.110699][ T7374]  dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120)
[  440.110704][ T7374]  ? vprintk_emit (kernel/printk/printk.c:2471)
[  440.110706][ T7374]  __might_resched.cold (kernel/sched/core.c:9234)
[  440.110710][ T7374]  ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3))
[  440.110714][ T7374]  ? __kmalloc_noprof (./include/linux/sched/mm.h:317 mm/slub.c:4636 mm/slub.c:4974 mm/slub.c:5413 mm/slub.c:5439)
[  440.110719][ T7374]  __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))
[  440.110721][ T7374]  ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[  440.110727][ T7374]  ? 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)
[  440.110730][ T7374]  alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[  440.110734][ T7374]  put_chars (drivers/char/virtio_console.c:1176)
[  440.110736][ T7374]  ? __send_to_port (drivers/char/virtio_console.c:654)
[  440.110742][ T7374]  hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2))
[  440.110750][ T7374]  ? hvc_write (drivers/tty/hvc/hvc_console.c:501)
[  440.110753][ T7374]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  440.110757][ T7374]  console_emit_next_record (kernel/printk/printk.c:3183)
[  440.110761][ T7374]  ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20)
[  440.110763][ T7374]  ? 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))
[  440.110766][ T7374]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  440.110769][ T7374]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  440.110773][ T7374]  console_flush_one_record (kernel/printk/printk.c:3268)
[  440.110777][ T7374]  ? console_emit_next_record (kernel/printk/printk.c:3150)
[  440.110779][ T7374]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[  440.110784][ T7374]  console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420)
[  440.110787][ T7374]  ? console_flush_one_record (kernel/printk/printk.c:3316)
[  440.110789][ T7374]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  440.110790][ T7374]  ? 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)
[  440.110794][ T7374]  ? __down_trylock_console_sem (kernel/printk/printk.c:334)
[  440.110796][ T7374]  ? vprintk_emit (kernel/printk/printk.c:2478)
[  440.110798][ T7374]  vprintk_emit (kernel/printk/printk.c:2479)
[  440.110802][ T7374]  ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126))
[  440.110804][ T7374]  ? _mutex_trylock_nest_lock (kernel/locking/mutex.c:1227 (discriminator 6))
[  440.110809][ T7374]  _printk (kernel/printk/printk.c:2504)
[  440.110812][ T7374]  ? snapshot_read.cold (user.c:?)
[  440.110814][ T7374]  ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4116 (discriminator 3) kernel/rcu/tree.c:4108 (discriminator 3))
[  440.110817][ T7374]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380)
[  440.110820][ T7374]  ? validate_chain (kernel/locking/lockdep.c:3817 (discriminator 2) kernel/locking/lockdep.c:3837 (discriminator 2) kernel/locking/lockdep.c:3892 (discriminator 2))
[  440.110822][ T7374]  ? netdev_name (./include/linux/netdevice.h:5709 (discriminator 1))
[  440.110826][ T7374]  ? __netdev_printk (net/core/dev.c:13148 (discriminator 2))
[  440.110828][ T7374]  ? do_setlink.isra.0 (net/core/rtnetlink.c:3246)
[  440.110831][ T7374]  netdev_info (net/core/dev.c:13195 (discriminator 3))
[  440.110833][ T7374]  ? netdev_notice (net/core/dev.c:13194)
[  440.110836][ T7374]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[  440.110839][ T7374]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554)
[  440.110842][ T7374]  ? mark_held_locks (kernel/locking/lockdep.c:4341)
[  440.110845][ T7374]  ? do_setlink.isra.0 (net/core/rtnetlink.c:3246)
[  440.110847][ T7374]  netif_change_name.cold (net/core/dev.c:1507 (discriminator 3))
[  440.110849][ T7374]  ? register_netdev (net/core/dev.c:11618)
[  440.110850][ T7374]  ? 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))
[  440.110856][ T7374]  ? netdev_adjacent_rename_links (net/core/dev.c:9598)
[  440.110858][ T7374]  ? __kernel_text_address (kernel/extable.c:79)
[  440.110860][ T7374]  ? write_profile (profile.c:?)
[  440.110864][ T7374]  ? __asan_memset (mm/kasan/shadow.c:84 (discriminator 1))
[  440.110870][ T7374]  do_setlink.isra.0 (net/core/rtnetlink.c:3246)
[  440.110873][ T7374]  ? stack_trace_save (kernel/stacktrace.c:122 (discriminator 1))
[  440.110875][ T7374]  ? rtnl_link_get_size (net/core/rtnetlink.c:747)
[  440.110876][ T7374]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:388 kernel/rcu/update.c:380)
[  440.110878][ T7374]  ? stack_depot_save_flags (lib/stackdepot.c:609 (discriminator 2) lib/stackdepot.c:676 (discriminator 2))
[  440.110882][ T7374]  ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4116 (discriminator 3) kernel/rcu/tree.c:4108 (discriminator 3))
[  440.110884][ T7374]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380)
[  440.110885][ T7374]  ? validate_chain (kernel/locking/lockdep.c:3817 (discriminator 2) kernel/locking/lockdep.c:3837 (discriminator 2) kernel/locking/lockdep.c:3892 (discriminator 2))
[  440.110888][ T7374]  ? kasan_save_stack (mm/kasan/common.c:58)
[  440.110890][ T7374]  ? kasan_save_stack (mm/kasan/common.c:57)
[  440.110891][ T7374]  ? kasan_save_track (mm/kasan/common.c:78)
[  440.110892][ T7374]  ? __kasan_kmalloc (mm/kasan/common.c:398 mm/kasan/common.c:415)
[  440.110894][ T7374]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[  440.110896][ T7374]  ? snd_ac97_proc_read_main (sound/pci/ac97/ac97_proc.c:320)
[  440.110899][ T7374]  ? ___sys_sendmsg (net/socket.c:2758)
[  440.110903][ T7374]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2))
[  440.110905][ T7374]  ? rtnl_newlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:366 net/core/rtnetlink.c:4214)
[  440.110908][ T7374]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  440.110909][ T7374]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  440.110911][ T7374]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  440.110912][ T7374]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  440.110914][ T7374]  ? trace_contention_end (./include/trace/events/lock.h:121 (discriminator 22))
[  440.110916][ T7374]  ? __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)
[  440.110917][ T7374]  ? __mutex_lock (kernel/locking/mutex.c:656 (discriminator 1) kernel/locking/mutex.c:821 (discriminator 1))
[  440.110919][ T7374]  ? rtnl_newlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:366 net/core/rtnetlink.c:4214)
[  440.110922][ T7374]  ? ww_mutex_lock (kernel/locking/mutex.c:934)
[  440.110924][ T7374]  ? nla_get_range_signed (lib/nlattr.c:270)
[  440.110928][ T7374]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  440.110930][ T7374]  ? __rtnl_newlink (net/core/rtnetlink.c:4063)
[  440.110936][ T7374]  rtnl_newlink (net/core/rtnetlink.c:4215)
[  440.110941][ T7374]  ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558)
[  440.110943][ T7374]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[  440.110947][ T7374]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2))
[  440.110949][ T7374]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[  440.110951][ T7374]  ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558)
[  440.110953][ T7374]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554)
[  440.110956][ T7374]  ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558)
[  440.110958][ T7374]  rtnetlink_rcv_msg (net/core/rtnetlink.c:7132)
[  440.110961][ T7374]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[  440.110963][ T7374]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[  440.110967][ T7374]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2))
[  440.110969][ T7374]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[  440.110972][ T7374]  netlink_rcv_skb (net/netlink/af_netlink.c:2556)
[  440.110976][ T7374]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[  440.110978][ T7374]  ? netlink_ack (./include/linux/skbuff.h:2718)
[  440.110985][ T7374]  ? 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))
[  440.110987][ T7374]  ? 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))
[  440.110991][ T7374]  netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[  440.110995][ T7374]  ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[  440.110998][ T7374]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[  440.111002][ T7374]  netlink_sendmsg (net/netlink/af_netlink.c:1900)
[  440.111006][ T7374]  ? netlink_unicast (./include/net/net_namespace.h:422 (discriminator 7))
[  440.111009][ T7374]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554)
[  440.111011][ T7374]  ? __import_iovec (lib/iov_iter.c:1358 lib/iov_iter.c:1373)
[  440.111016][ T7374]  __sock_sendmsg (net/socket.c:800 (discriminator 4) net/socket.c:815 (discriminator 4))
[  440.111019][ T7374]  ____sys_sendmsg (net/socket.c:2713)
[  440.111021][ T7374]  ? copy_msghdr_from_user (net/socket.c:2650)
[  440.111023][ T7374]  ? sock_write_iter (net/socket.c:1269)
[  440.111025][ T7374]  ? move_addr_to_kernel (net/socket.c:258)
[  440.111032][ T7374]  ___sys_sendmsg (net/socket.c:2767)
[  440.111035][ T7374]  ? copy_msghdr_from_user (net/socket.c:2619)
[  440.111054][ T7374]  __sys_sendmsg (net/socket.c:2799)
[  440.111057][ T7374]  ? __sys_sendmsg_sock (net/socket.c:2780)
[  440.111063][ T7374]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  440.111066][ T7374]  do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84)
[  440.111069][ T7374]  ? exc_page_fault (arch/x86/mm/fault.c:1489 (discriminator 3) arch/x86/mm/fault.c:1536 (discriminator 3))
[  440.111072][ T7374]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[  440.111074][ T7374] RIP: 0033:0x7f008943454e
[  440.111078][ T7374] 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
[  440.111079][ T7374] RSP: 002b:00007ffd2f420b70 EFLAGS: 00000202 ORIG_RAX: 000000000000002e
[  440.111082][ T7374] RAX: ffffffffffffffda RBX: 0000000000000005 RCX: 00007f008943454e
[  440.111083][ T7374] RDX: 0000000000000000 RSI: 00007ffd2f420c20 RDI: 0000000000000005
[  440.111084][ T7374] RBP: 00007ffd2f420b80 R08: 0000000000000000 R09: 0000000000000000
[  440.111085][ T7374] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a91117b
[  440.111086][ T7374] R13: 00000000004a1620 R14: 0000000000000000 R15: 00007ffd2f4212f0
| [  448.755057][ T7622] softirqs last disabled at (23084): netif_change_name (./include/linux/spinlock.h:353 ./include/linux/seqlock.h:908 net/core/dev.c:1499)
| [  448.755059][ T7622] Preemption disabled at:
| [  448.755060][ T7622] vprintk_emit (kernel/printk/printk.c:2471)
| [  448.755068][ T7622] Tainted: [W]=WARN
[  448.755069][ T7622] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[  448.755071][ T7622] Call Trace:
[  448.755072][ T7622]  <TASK>
[  448.755074][ T7622]  dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120)
[  448.755084][ T7622]  ? vprintk_emit (kernel/printk/printk.c:2471)
[  448.755086][ T7622]  __might_resched.cold (kernel/sched/core.c:9234)
[  448.755090][ T7622]  ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3))
[  448.755094][ T7622]  ? __kmalloc_noprof (./include/linux/sched/mm.h:317 mm/slub.c:4636 mm/slub.c:4974 mm/slub.c:5413 mm/slub.c:5439)
[  448.755099][ T7622]  __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))
[  448.755101][ T7622]  ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[  448.755107][ T7622]  ? 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)
[  448.755110][ T7622]  alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[  448.755113][ T7622]  put_chars (drivers/char/virtio_console.c:1176)
[  448.755116][ T7622]  ? __send_to_port (drivers/char/virtio_console.c:654)
[  448.755122][ T7622]  hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2))
[  448.755132][ T7622]  ? hvc_write (drivers/tty/hvc/hvc_console.c:501)
[  448.755135][ T7622]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  448.755140][ T7622]  console_emit_next_record (kernel/printk/printk.c:3183)
[  448.755144][ T7622]  ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20)
[  448.755146][ T7622]  ? 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))
[  448.755149][ T7622]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  448.755152][ T7622]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  448.755156][ T7622]  console_flush_one_record (kernel/printk/printk.c:3268)
[  448.755160][ T7622]  ? console_emit_next_record (kernel/printk/printk.c:3150)
[  448.755162][ T7622]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[  448.755167][ T7622]  console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420)
[  448.755170][ T7622]  ? console_flush_one_record (kernel/printk/printk.c:3316)
[  448.755172][ T7622]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  448.755173][ T7622]  ? 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)
[  448.755177][ T7622]  ? __down_trylock_console_sem (kernel/printk/printk.c:334)
[  448.755179][ T7622]  ? vprintk_emit (kernel/printk/printk.c:2478)
[  448.755181][ T7622]  vprintk_emit (kernel/printk/printk.c:2479)
[  448.755185][ T7622]  ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126))
[  448.755187][ T7622]  ? _mutex_trylock_nest_lock (kernel/locking/mutex.c:1227 (discriminator 6))
[  448.755192][ T7622]  _printk (kernel/printk/printk.c:2504)
[  448.755196][ T7622]  ? snapshot_read.cold (user.c:?)
[  448.755197][ T7622]  ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4116 (discriminator 3) kernel/rcu/tree.c:4108 (discriminator 3))
[  448.755200][ T7622]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380)
[  448.755203][ T7622]  ? validate_chain (kernel/locking/lockdep.c:3817 (discriminator 2) kernel/locking/lockdep.c:3837 (discriminator 2) kernel/locking/lockdep.c:3892 (discriminator 2))
[  448.755205][ T7622]  ? netdev_name (./include/linux/netdevice.h:5709 (discriminator 1))
[  448.755208][ T7622]  ? __netdev_printk (net/core/dev.c:13148 (discriminator 2))
[  448.755211][ T7622]  ? do_setlink.isra.0 (net/core/rtnetlink.c:3246)
[  448.755213][ T7622]  netdev_info (net/core/dev.c:13195 (discriminator 3))
[  448.755216][ T7622]  ? netdev_notice (net/core/dev.c:13194)
[  448.755219][ T7622]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[  448.755222][ T7622]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554)
[  448.755224][ T7622]  ? mark_held_locks (kernel/locking/lockdep.c:4341)
[  448.755228][ T7622]  ? do_setlink.isra.0 (net/core/rtnetlink.c:3246)
[  448.755230][ T7622]  netif_change_name.cold (net/core/dev.c:1507 (discriminator 3))
[  448.755232][ T7622]  ? register_netdev (net/core/dev.c:11618)
[  448.755233][ T7622]  ? 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))
[  448.755239][ T7622]  ? netdev_adjacent_rename_links (net/core/dev.c:9598)
[  448.755241][ T7622]  ? __kernel_text_address (kernel/extable.c:79)
[  448.755244][ T7622]  ? write_profile (profile.c:?)
[  448.755248][ T7622]  ? __asan_memset (mm/kasan/shadow.c:84 (discriminator 1))
[  448.755253][ T7622]  do_setlink.isra.0 (net/core/rtnetlink.c:3246)
[  448.755257][ T7622]  ? stack_trace_save (kernel/stacktrace.c:122 (discriminator 1))
[  448.755259][ T7622]  ? rtnl_link_get_size (net/core/rtnetlink.c:747)
[  448.755260][ T7622]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:388 kernel/rcu/update.c:380)
[  448.755262][ T7622]  ? stack_depot_save_flags (lib/stackdepot.c:609 (discriminator 2) lib/stackdepot.c:676 (discriminator 2))
[  448.755265][ T7622]  ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4116 (discriminator 3) kernel/rcu/tree.c:4108 (discriminator 3))
[  448.755267][ T7622]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380)
[  448.755269][ T7622]  ? validate_chain (kernel/locking/lockdep.c:3817 (discriminator 2) kernel/locking/lockdep.c:3837 (discriminator 2) kernel/locking/lockdep.c:3892 (discriminator 2))
[  448.755272][ T7622]  ? kasan_save_stack (mm/kasan/common.c:58)
[  448.755274][ T7622]  ? kasan_save_stack (mm/kasan/common.c:57)
[  448.755275][ T7622]  ? kasan_save_track (mm/kasan/common.c:78)
[  448.755276][ T7622]  ? __kasan_kmalloc (mm/kasan/common.c:398 mm/kasan/common.c:415)
[  448.755278][ T7622]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[  448.755280][ T7622]  ? snd_ac97_proc_read_main (sound/pci/ac97/ac97_proc.c:320)
[  448.755283][ T7622]  ? ___sys_sendmsg (net/socket.c:2758)
[  448.755287][ T7622]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2))
[  448.755289][ T7622]  ? rtnl_newlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:366 net/core/rtnetlink.c:4214)
[  448.755292][ T7622]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  448.755293][ T7622]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  448.755295][ T7622]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  448.755296][ T7622]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  448.755298][ T7622]  ? trace_contention_end (./include/trace/events/lock.h:121 (discriminator 22))
[  448.755300][ T7622]  ? __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)
[  448.755301][ T7622]  ? __mutex_lock (kernel/locking/mutex.c:656 (discriminator 1) kernel/locking/mutex.c:821 (discriminator 1))
[  448.755303][ T7622]  ? rtnl_newlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:366 net/core/rtnetlink.c:4214)
[  448.755306][ T7622]  ? ww_mutex_lock (kernel/locking/mutex.c:934)
[  448.755307][ T7622]  ? nla_get_range_signed (lib/nlattr.c:270)
[  448.755313][ T7622]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  448.755315][ T7622]  ? __rtnl_newlink (net/core/rtnetlink.c:4063)
[  448.755320][ T7622]  rtnl_newlink (net/core/rtnetlink.c:4215)
[  448.755325][ T7622]  ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558)
[  448.755327][ T7622]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[  448.755331][ T7622]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2))
[  448.755333][ T7622]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[  448.755335][ T7622]  ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558)
[  448.755337][ T7622]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554)
[  448.755341][ T7622]  ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558)
[  448.755343][ T7622]  rtnetlink_rcv_msg (net/core/rtnetlink.c:7132)
[  448.755346][ T7622]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[  448.755347][ T7622]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[  448.755351][ T7622]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2))
[  448.755353][ T7622]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[  448.755357][ T7622]  netlink_rcv_skb (net/netlink/af_netlink.c:2556)
[  448.755360][ T7622]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[  448.755363][ T7622]  ? netlink_ack (./include/linux/skbuff.h:2718)
[  448.755369][ T7622]  ? 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))
[  448.755371][ T7622]  ? 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))
[  448.755375][ T7622]  netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[  448.755379][ T7622]  ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[  448.755382][ T7622]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[  448.755386][ T7622]  netlink_sendmsg (net/netlink/af_netlink.c:1900)
[  448.755390][ T7622]  ? netlink_unicast (./include/net/net_namespace.h:422 (discriminator 7))
[  448.755393][ T7622]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554)
[  448.755395][ T7622]  ? __import_iovec (lib/iov_iter.c:1358 lib/iov_iter.c:1373)
[  448.755401][ T7622]  __sock_sendmsg (net/socket.c:800 (discriminator 4) net/socket.c:815 (discriminator 4))
[  448.755403][ T7622]  ____sys_sendmsg (net/socket.c:2713)
[  448.755406][ T7622]  ? copy_msghdr_from_user (net/socket.c:2650)
[  448.755408][ T7622]  ? sock_write_iter (net/socket.c:1269)
[  448.755410][ T7622]  ? move_addr_to_kernel (net/socket.c:258)
[  448.755417][ T7622]  ___sys_sendmsg (net/socket.c:2767)
[  448.755420][ T7622]  ? copy_msghdr_from_user (net/socket.c:2619)
[  448.755435][ T7622]  __sys_sendmsg (net/socket.c:2799)
[  448.755438][ T7622]  ? __sys_sendmsg_sock (net/socket.c:2780)
[  448.755444][ T7622]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  448.755447][ T7622]  do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84)
[  448.755450][ T7622]  ? exc_page_fault (arch/x86/mm/fault.c:1489 (discriminator 3) arch/x86/mm/fault.c:1536 (discriminator 3))
[  448.755453][ T7622]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[  448.755455][ T7622] RIP: 0033:0x7f27df30354e
[  448.755459][ T7622] 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
[  448.755461][ T7622] RSP: 002b:00007ffd1d15a0d0 EFLAGS: 00000202 ORIG_RAX: 000000000000002e
[  448.755463][ T7622] RAX: ffffffffffffffda RBX: 0000000000000005 RCX: 00007f27df30354e
[  448.755465][ T7622] RDX: 0000000000000000 RSI: 00007ffd1d15a180 RDI: 0000000000000005
[  448.755466][ T7622] RBP: 00007ffd1d15a0e0 R08: 0000000000000000 R09: 0000000000000000
[  448.755466][ T7622] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a911184
[  448.755467][ T7622] R13: 00000000004a1620 R14: 0000000000000000 R15: 00007ffd1d15a850
| [  460.237723][ T7973] softirqs last disabled at (23876): netif_change_name (./include/linux/spinlock.h:353 ./include/linux/seqlock.h:908 net/core/dev.c:1499)
| [  460.237726][ T7973] Preemption disabled at:
| [  460.237726][ T7973] vprintk_emit (kernel/printk/printk.c:2471)
| [  460.237735][ T7973] Tainted: [W]=WARN
[  460.237736][ T7973] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[  460.237737][ T7973] Call Trace:
[  460.237739][ T7973]  <TASK>
[  460.237741][ T7973]  dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120)
[  460.237746][ T7973]  ? vprintk_emit (kernel/printk/printk.c:2471)
[  460.237748][ T7973]  __might_resched.cold (kernel/sched/core.c:9234)
[  460.237752][ T7973]  ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3))
[  460.237757][ T7973]  ? __kmalloc_noprof (./include/linux/sched/mm.h:317 mm/slub.c:4636 mm/slub.c:4974 mm/slub.c:5413 mm/slub.c:5439)
[  460.237761][ T7973]  __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))
[  460.237763][ T7973]  ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[  460.237769][ T7973]  ? 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)
[  460.237772][ T7973]  alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[  460.237776][ T7973]  put_chars (drivers/char/virtio_console.c:1176)
[  460.237779][ T7973]  ? __send_to_port (drivers/char/virtio_console.c:654)
[  460.237785][ T7973]  hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2))
[  460.237792][ T7973]  ? hvc_write (drivers/tty/hvc/hvc_console.c:501)
[  460.237795][ T7973]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  460.237800][ T7973]  console_emit_next_record (kernel/printk/printk.c:3183)
[  460.237804][ T7973]  ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20)
[  460.237806][ T7973]  ? 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))
[  460.237809][ T7973]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  460.237811][ T7973]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  460.237815][ T7973]  console_flush_one_record (kernel/printk/printk.c:3268)
[  460.237819][ T7973]  ? console_emit_next_record (kernel/printk/printk.c:3150)
[  460.237821][ T7973]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[  460.237826][ T7973]  console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420)
[  460.237829][ T7973]  ? console_flush_one_record (kernel/printk/printk.c:3316)
[  460.237831][ T7973]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  460.237833][ T7973]  ? 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)
[  460.237836][ T7973]  ? __down_trylock_console_sem (kernel/printk/printk.c:334)
[  460.237838][ T7973]  ? vprintk_emit (kernel/printk/printk.c:2478)
[  460.237841][ T7973]  vprintk_emit (kernel/printk/printk.c:2479)
[  460.237844][ T7973]  ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126))
[  460.237846][ T7973]  ? _mutex_trylock_nest_lock (kernel/locking/mutex.c:1227 (discriminator 6))
[  460.237851][ T7973]  _printk (kernel/printk/printk.c:2504)
[  460.237855][ T7973]  ? snapshot_read.cold (user.c:?)
[  460.237856][ T7973]  ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4116 (discriminator 3) kernel/rcu/tree.c:4108 (discriminator 3))
[  460.237859][ T7973]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380)
[  460.237861][ T7973]  ? validate_chain (kernel/locking/lockdep.c:3817 (discriminator 2) kernel/locking/lockdep.c:3837 (discriminator 2) kernel/locking/lockdep.c:3892 (discriminator 2))
[  460.237864][ T7973]  ? netdev_name (./include/linux/netdevice.h:5709 (discriminator 1))
[  460.237867][ T7973]  ? __netdev_printk (net/core/dev.c:13148 (discriminator 2))
[  460.237870][ T7973]  ? do_setlink.isra.0 (net/core/rtnetlink.c:3246)
[  460.237872][ T7973]  netdev_info (net/core/dev.c:13195 (discriminator 3))
[  460.237875][ T7973]  ? netdev_notice (net/core/dev.c:13194)
[  460.237878][ T7973]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[  460.237881][ T7973]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554)
[  460.237883][ T7973]  ? mark_held_locks (kernel/locking/lockdep.c:4341)
[  460.237886][ T7973]  ? do_setlink.isra.0 (net/core/rtnetlink.c:3246)
[  460.237888][ T7973]  netif_change_name.cold (net/core/dev.c:1507 (discriminator 3))
[  460.237891][ T7973]  ? register_netdev (net/core/dev.c:11618)
[  460.237892][ T7973]  ? 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))
[  460.237897][ T7973]  ? netdev_adjacent_rename_links (net/core/dev.c:9598)
[  460.237900][ T7973]  ? __kernel_text_address (kernel/extable.c:79)
[  460.237902][ T7973]  ? write_profile (profile.c:?)
[  460.237907][ T7973]  ? __asan_memset (mm/kasan/shadow.c:84 (discriminator 1))
[  460.237912][ T7973]  do_setlink.isra.0 (net/core/rtnetlink.c:3246)
[  460.237915][ T7973]  ? stack_trace_save (kernel/stacktrace.c:122 (discriminator 1))
[  460.237918][ T7973]  ? rtnl_link_get_size (net/core/rtnetlink.c:747)
[  460.237919][ T7973]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:388 kernel/rcu/update.c:380)
[  460.237921][ T7973]  ? stack_depot_save_flags (lib/stackdepot.c:609 (discriminator 2) lib/stackdepot.c:676 (discriminator 2))
[  460.237924][ T7973]  ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4116 (discriminator 3) kernel/rcu/tree.c:4108 (discriminator 3))
[  460.237926][ T7973]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380)
[  460.237927][ T7973]  ? validate_chain (kernel/locking/lockdep.c:3817 (discriminator 2) kernel/locking/lockdep.c:3837 (discriminator 2) kernel/locking/lockdep.c:3892 (discriminator 2))
[  460.237930][ T7973]  ? kasan_save_stack (mm/kasan/common.c:58)
[  460.237931][ T7973]  ? kasan_save_stack (mm/kasan/common.c:57)
[  460.237933][ T7973]  ? kasan_save_track (mm/kasan/common.c:78)
[  460.237934][ T7973]  ? __kasan_kmalloc (mm/kasan/common.c:398 mm/kasan/common.c:415)
[  460.237936][ T7973]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[  460.237938][ T7973]  ? snd_ac97_proc_read_main (sound/pci/ac97/ac97_proc.c:320)
[  460.237941][ T7973]  ? ___sys_sendmsg (net/socket.c:2758)
[  460.237945][ T7973]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2))
[  460.237947][ T7973]  ? rtnl_newlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:366 net/core/rtnetlink.c:4214)
[  460.237949][ T7973]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  460.237951][ T7973]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  460.237953][ T7973]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  460.237954][ T7973]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  460.237955][ T7973]  ? trace_contention_end (./include/trace/events/lock.h:121 (discriminator 22))
[  460.237958][ T7973]  ? __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)
[  460.237959][ T7973]  ? __mutex_lock (kernel/locking/mutex.c:656 (discriminator 1) kernel/locking/mutex.c:821 (discriminator 1))
[  460.237961][ T7973]  ? rtnl_newlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:366 net/core/rtnetlink.c:4214)
[  460.237964][ T7973]  ? ww_mutex_lock (kernel/locking/mutex.c:934)
[  460.237965][ T7973]  ? nla_get_range_signed (lib/nlattr.c:270)
[  460.237970][ T7973]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  460.237972][ T7973]  ? __rtnl_newlink (net/core/rtnetlink.c:4063)
[  460.237977][ T7973]  rtnl_newlink (net/core/rtnetlink.c:4215)
[  460.237982][ T7973]  ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558)
[  460.237984][ T7973]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[  460.237989][ T7973]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2))
[  460.237990][ T7973]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[  460.237992][ T7973]  ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558)
[  460.237994][ T7973]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554)
[  460.237998][ T7973]  ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558)
[  460.238000][ T7973]  rtnetlink_rcv_msg (net/core/rtnetlink.c:7132)
[  460.238003][ T7973]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[  460.238004][ T7973]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[  460.238008][ T7973]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2))
[  460.238010][ T7973]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[  460.238014][ T7973]  netlink_rcv_skb (net/netlink/af_netlink.c:2556)
[  460.238017][ T7973]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[  460.238020][ T7973]  ? netlink_ack (./include/linux/skbuff.h:2718)
[  460.238026][ T7973]  ? 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))
[  460.238028][ T7973]  ? 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))
[  460.238032][ T7973]  netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[  460.238036][ T7973]  ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[  460.238038][ T7973]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[  460.238042][ T7973]  netlink_sendmsg (net/netlink/af_netlink.c:1900)
[  460.238046][ T7973]  ? netlink_unicast (./include/net/net_namespace.h:422 (discriminator 7))
[  460.238050][ T7973]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554)
[  460.238052][ T7973]  ? __import_iovec (lib/iov_iter.c:1358 lib/iov_iter.c:1373)
[  460.238057][ T7973]  __sock_sendmsg (net/socket.c:800 (discriminator 4) net/socket.c:815 (discriminator 4))
[  460.238060][ T7973]  ____sys_sendmsg (net/socket.c:2713)
[  460.238062][ T7973]  ? copy_msghdr_from_user (net/socket.c:2650)
[  460.238064][ T7973]  ? sock_write_iter (net/socket.c:1269)
[  460.238066][ T7973]  ? move_addr_to_kernel (net/socket.c:258)
[  460.238073][ T7973]  ___sys_sendmsg (net/socket.c:2767)
[  460.238075][ T7973]  ? copy_msghdr_from_user (net/socket.c:2619)
[  460.238091][ T7973]  __sys_sendmsg (net/socket.c:2799)
[  460.238093][ T7973]  ? __sys_sendmsg_sock (net/socket.c:2780)
[  460.238099][ T7973]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  460.238102][ T7973]  do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84)
[  460.238105][ T7973]  ? exc_page_fault (arch/x86/mm/fault.c:1489 (discriminator 3) arch/x86/mm/fault.c:1536 (discriminator 3))
[  460.238108][ T7973]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[  460.238111][ T7973] RIP: 0033:0x7f8311e1954e
[  460.238115][ T7973] 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
[  460.238117][ T7973] RSP: 002b:00007ffe35737650 EFLAGS: 00000202 ORIG_RAX: 000000000000002e
[  460.238119][ T7973] RAX: ffffffffffffffda RBX: 0000000000000005 RCX: 00007f8311e1954e
[  460.238124][ T7973] RDX: 0000000000000000 RSI: 00007ffe35737700 RDI: 0000000000000005
[  460.238125][ T7973] RBP: 00007ffe35737660 R08: 0000000000000000 R09: 0000000000000000
[  460.238126][ T7973] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a91118f
[  460.238126][ T7973] R13: 00000000004a1620 R14: 0000000000000000 R15: 00007ffe35737dd0
| [  468.801420][ T8109] softirqs last disabled at (25318): netif_change_name (./include/linux/spinlock.h:353 ./include/linux/seqlock.h:908 net/core/dev.c:1499)
| [  468.801423][ T8109] Preemption disabled at:
| [  468.801423][ T8109] vprintk_emit (kernel/printk/printk.c:2471)
| [  468.801432][ T8109] Tainted: [W]=WARN
[  468.801433][ T8109] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[  468.801434][ T8109] Call Trace:
[  468.801436][ T8109]  <TASK>
[  468.801437][ T8109]  dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120)
[  468.801443][ T8109]  ? vprintk_emit (kernel/printk/printk.c:2471)
[  468.801445][ T8109]  __might_resched.cold (kernel/sched/core.c:9234)
[  468.801449][ T8109]  ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3))
[  468.801453][ T8109]  ? __kmalloc_noprof (./include/linux/sched/mm.h:317 mm/slub.c:4636 mm/slub.c:4974 mm/slub.c:5413 mm/slub.c:5439)
[  468.801457][ T8109]  __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))
[  468.801459][ T8109]  ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[  468.801466][ T8109]  ? 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)
[  468.801468][ T8109]  alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[  468.801472][ T8109]  put_chars (drivers/char/virtio_console.c:1176)
[  468.801474][ T8109]  ? __send_to_port (drivers/char/virtio_console.c:654)
[  468.801480][ T8109]  hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2))
[  468.801488][ T8109]  ? hvc_write (drivers/tty/hvc/hvc_console.c:501)
[  468.801491][ T8109]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  468.801495][ T8109]  console_emit_next_record (kernel/printk/printk.c:3183)
[  468.801499][ T8109]  ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20)
[  468.801501][ T8109]  ? 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))
[  468.801504][ T8109]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  468.801507][ T8109]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  468.801511][ T8109]  console_flush_one_record (kernel/printk/printk.c:3268)
[  468.801515][ T8109]  ? console_emit_next_record (kernel/printk/printk.c:3150)
[  468.801517][ T8109]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[  468.801522][ T8109]  console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420)
[  468.801525][ T8109]  ? console_flush_one_record (kernel/printk/printk.c:3316)
[  468.801527][ T8109]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  468.801529][ T8109]  ? 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)
[  468.801532][ T8109]  ? __down_trylock_console_sem (kernel/printk/printk.c:334)
[  468.801534][ T8109]  ? vprintk_emit (kernel/printk/printk.c:2478)
[  468.801536][ T8109]  vprintk_emit (kernel/printk/printk.c:2479)
[  468.801540][ T8109]  ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126))
[  468.801542][ T8109]  ? _mutex_trylock_nest_lock (kernel/locking/mutex.c:1227 (discriminator 6))
[  468.801547][ T8109]  _printk (kernel/printk/printk.c:2504)
[  468.801551][ T8109]  ? snapshot_read.cold (user.c:?)
[  468.801552][ T8109]  ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4116 (discriminator 3) kernel/rcu/tree.c:4108 (discriminator 3))
[  468.801555][ T8109]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380)
[  468.801557][ T8109]  ? validate_chain (kernel/locking/lockdep.c:3817 (discriminator 2) kernel/locking/lockdep.c:3837 (discriminator 2) kernel/locking/lockdep.c:3892 (discriminator 2))
[  468.801560][ T8109]  ? netdev_name (./include/linux/netdevice.h:5709 (discriminator 1))
[  468.801564][ T8109]  ? __netdev_printk (net/core/dev.c:13148 (discriminator 2))
[  468.801566][ T8109]  ? do_setlink.isra.0 (net/core/rtnetlink.c:3246)
[  468.801569][ T8109]  netdev_info (net/core/dev.c:13195 (discriminator 3))
[  468.801571][ T8109]  ? netdev_notice (net/core/dev.c:13194)
[  468.801574][ T8109]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[  468.801577][ T8109]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554)
[  468.801580][ T8109]  ? mark_held_locks (kernel/locking/lockdep.c:4341)
[  468.801583][ T8109]  ? do_setlink.isra.0 (net/core/rtnetlink.c:3246)
[  468.801585][ T8109]  netif_change_name.cold (net/core/dev.c:1507 (discriminator 3))
[  468.801587][ T8109]  ? register_netdev (net/core/dev.c:11618)
[  468.801589][ T8109]  ? 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))
[  468.801594][ T8109]  ? netdev_adjacent_rename_links (net/core/dev.c:9598)
[  468.801597][ T8109]  ? __kernel_text_address (kernel/extable.c:79)
[  468.801599][ T8109]  ? write_profile (profile.c:?)
[  468.801603][ T8109]  ? __asan_memset (mm/kasan/shadow.c:84 (discriminator 1))
[  468.801608][ T8109]  do_setlink.isra.0 (net/core/rtnetlink.c:3246)
[  468.801612][ T8109]  ? stack_trace_save (kernel/stacktrace.c:122 (discriminator 1))
[  468.801614][ T8109]  ? rtnl_link_get_size (net/core/rtnetlink.c:747)
[  468.801615][ T8109]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:388 kernel/rcu/update.c:380)
[  468.801617][ T8109]  ? stack_depot_save_flags (lib/stackdepot.c:609 (discriminator 2) lib/stackdepot.c:676 (discriminator 2))
[  468.801620][ T8109]  ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4116 (discriminator 3) kernel/rcu/tree.c:4108 (discriminator 3))
[  468.801622][ T8109]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380)
[  468.801624][ T8109]  ? validate_chain (kernel/locking/lockdep.c:3817 (discriminator 2) kernel/locking/lockdep.c:3837 (discriminator 2) kernel/locking/lockdep.c:3892 (discriminator 2))
[  468.801626][ T8109]  ? kasan_save_stack (mm/kasan/common.c:58)
[  468.801628][ T8109]  ? kasan_save_stack (mm/kasan/common.c:57)
[  468.801629][ T8109]  ? kasan_save_track (mm/kasan/common.c:78)
[  468.801631][ T8109]  ? __kasan_kmalloc (mm/kasan/common.c:398 mm/kasan/common.c:415)
[  468.801633][ T8109]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[  468.801635][ T8109]  ? snd_ac97_proc_read_main (sound/pci/ac97/ac97_proc.c:320)
[  468.801638][ T8109]  ? ___sys_sendmsg (net/socket.c:2758)
[  468.801642][ T8109]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2))
[  468.801644][ T8109]  ? rtnl_newlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:366 net/core/rtnetlink.c:4214)
[  468.801646][ T8109]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  468.801648][ T8109]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  468.801650][ T8109]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  468.801651][ T8109]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  468.801652][ T8109]  ? trace_contention_end (./include/trace/events/lock.h:121 (discriminator 22))
[  468.801655][ T8109]  ? __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)
[  468.801656][ T8109]  ? __mutex_lock (kernel/locking/mutex.c:656 (discriminator 1) kernel/locking/mutex.c:821 (discriminator 1))
[  468.801658][ T8109]  ? rtnl_newlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:366 net/core/rtnetlink.c:4214)
[  468.801661][ T8109]  ? ww_mutex_lock (kernel/locking/mutex.c:934)
[  468.801662][ T8109]  ? nla_get_range_signed (lib/nlattr.c:270)
[  468.801667][ T8109]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  468.801669][ T8109]  ? __rtnl_newlink (net/core/rtnetlink.c:4063)
[  468.801674][ T8109]  rtnl_newlink (net/core/rtnetlink.c:4215)
[  468.801679][ T8109]  ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558)
[  468.801681][ T8109]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[  468.801686][ T8109]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2))
[  468.801688][ T8109]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[  468.801690][ T8109]  ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558)
[  468.801691][ T8109]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554)
[  468.801695][ T8109]  ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558)
[  468.801697][ T8109]  rtnetlink_rcv_msg (net/core/rtnetlink.c:7132)
[  468.801700][ T8109]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[  468.801701][ T8109]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[  468.801706][ T8109]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2))
[  468.801708][ T8109]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[  468.801711][ T8109]  netlink_rcv_skb (net/netlink/af_netlink.c:2556)
[  468.801714][ T8109]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[  468.801717][ T8109]  ? netlink_ack (./include/linux/skbuff.h:2718)
[  468.801724][ T8109]  ? 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))
[  468.801726][ T8109]  ? 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))
[  468.801730][ T8109]  netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[  468.801734][ T8109]  ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[  468.801736][ T8109]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[  468.801741][ T8109]  netlink_sendmsg (net/netlink/af_netlink.c:1900)
[  468.801744][ T8109]  ? netlink_unicast (./include/net/net_namespace.h:422 (discriminator 7))
[  468.801748][ T8109]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554)
[  468.801750][ T8109]  ? __import_iovec (lib/iov_iter.c:1358 lib/iov_iter.c:1373)
[  468.801755][ T8109]  __sock_sendmsg (net/socket.c:800 (discriminator 4) net/socket.c:815 (discriminator 4))
[  468.801758][ T8109]  ____sys_sendmsg (net/socket.c:2713)
[  468.801760][ T8109]  ? copy_msghdr_from_user (net/socket.c:2650)
[  468.801762][ T8109]  ? sock_write_iter (net/socket.c:1269)
[  468.801764][ T8109]  ? move_addr_to_kernel (net/socket.c:258)
[  468.801771][ T8109]  ___sys_sendmsg (net/socket.c:2767)
[  468.801774][ T8109]  ? copy_msghdr_from_user (net/socket.c:2619)
[  468.801789][ T8109]  __sys_sendmsg (net/socket.c:2799)
[  468.801792][ T8109]  ? __sys_sendmsg_sock (net/socket.c:2780)
[  468.801798][ T8109]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  468.801801][ T8109]  do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84)
[  468.801804][ T8109]  ? exc_page_fault (arch/x86/mm/fault.c:1489 (discriminator 3) arch/x86/mm/fault.c:1536 (discriminator 3))
[  468.801807][ T8109]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[  468.801810][ T8109] RIP: 0033:0x7ffbeed2b54e
[  468.801813][ T8109] 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
[  468.801815][ T8109] RSP: 002b:00007ffc02965210 EFLAGS: 00000202 ORIG_RAX: 000000000000002e
[  468.801818][ T8109] RAX: ffffffffffffffda RBX: 0000000000000005 RCX: 00007ffbeed2b54e
[  468.801819][ T8109] RDX: 0000000000000000 RSI: 00007ffc029652c0 RDI: 0000000000000005
[  468.801820][ T8109] RBP: 00007ffc02965220 R08: 0000000000000000 R09: 0000000000000000
[  468.801821][ T8109] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a911198
[  468.801822][ T8109] R13: 00000000004a1620 R14: 0000000000000000 R15: 00007ffc02965990
| [  477.540903][ T8246] softirqs last disabled at (17044): netif_change_name (./include/linux/spinlock.h:353 ./include/linux/seqlock.h:908 net/core/dev.c:1499)
| [  477.540906][ T8246] Preemption disabled at:
| [  477.540906][ T8246] vprintk_emit (kernel/printk/printk.c:2471)
| [  477.540915][ T8246] Tainted: [W]=WARN
[  477.540916][ T8246] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[  477.540917][ T8246] Call Trace:
[  477.540919][ T8246]  <TASK>
[  477.540920][ T8246]  dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120)
[  477.540926][ T8246]  ? vprintk_emit (kernel/printk/printk.c:2471)
[  477.540928][ T8246]  __might_resched.cold (kernel/sched/core.c:9234)
[  477.540932][ T8246]  ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3))
[  477.540936][ T8246]  ? __kmalloc_noprof (./include/linux/sched/mm.h:317 mm/slub.c:4636 mm/slub.c:4974 mm/slub.c:5413 mm/slub.c:5439)
[  477.540941][ T8246]  __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))
[  477.540942][ T8246]  ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[  477.540949][ T8246]  ? 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)
[  477.540952][ T8246]  alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[  477.540956][ T8246]  put_chars (drivers/char/virtio_console.c:1176)
[  477.540958][ T8246]  ? __send_to_port (drivers/char/virtio_console.c:654)
[  477.540964][ T8246]  hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2))
[  477.540972][ T8246]  ? hvc_write (drivers/tty/hvc/hvc_console.c:501)
[  477.540975][ T8246]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  477.540979][ T8246]  console_emit_next_record (kernel/printk/printk.c:3183)
[  477.540983][ T8246]  ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20)
[  477.540985][ T8246]  ? 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))
[  477.540988][ T8246]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  477.540991][ T8246]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  477.540995][ T8246]  console_flush_one_record (kernel/printk/printk.c:3268)
[  477.540999][ T8246]  ? console_emit_next_record (kernel/printk/printk.c:3150)
[  477.541001][ T8246]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[  477.541006][ T8246]  console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420)
[  477.541009][ T8246]  ? console_flush_one_record (kernel/printk/printk.c:3316)
[  477.541011][ T8246]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  477.541012][ T8246]  ? 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)
[  477.541016][ T8246]  ? __down_trylock_console_sem (kernel/printk/printk.c:334)
[  477.541018][ T8246]  ? vprintk_emit (kernel/printk/printk.c:2478)
[  477.541020][ T8246]  vprintk_emit (kernel/printk/printk.c:2479)
[  477.541023][ T8246]  ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126))
[  477.541026][ T8246]  ? _mutex_trylock_nest_lock (kernel/locking/mutex.c:1227 (discriminator 6))
[  477.541031][ T8246]  _printk (kernel/printk/printk.c:2504)
[  477.541035][ T8246]  ? snapshot_read.cold (user.c:?)
[  477.541037][ T8246]  ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4116 (discriminator 3) kernel/rcu/tree.c:4108 (discriminator 3))
[  477.541039][ T8246]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380)
[  477.541042][ T8246]  ? validate_chain (kernel/locking/lockdep.c:3817 (discriminator 2) kernel/locking/lockdep.c:3837 (discriminator 2) kernel/locking/lockdep.c:3892 (discriminator 2))
[  477.541044][ T8246]  ? netdev_name (./include/linux/netdevice.h:5709 (discriminator 1))
[  477.541047][ T8246]  ? __netdev_printk (net/core/dev.c:13148 (discriminator 2))
[  477.541050][ T8246]  ? do_setlink.isra.0 (net/core/rtnetlink.c:3246)
[  477.541052][ T8246]  netdev_info (net/core/dev.c:13195 (discriminator 3))
[  477.541055][ T8246]  ? netdev_notice (net/core/dev.c:13194)
[  477.541058][ T8246]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[  477.541061][ T8246]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554)
[  477.541063][ T8246]  ? mark_held_locks (kernel/locking/lockdep.c:4341)
[  477.541067][ T8246]  ? do_setlink.isra.0 (net/core/rtnetlink.c:3246)
[  477.541069][ T8246]  netif_change_name.cold (net/core/dev.c:1507 (discriminator 3))
[  477.541071][ T8246]  ? register_netdev (net/core/dev.c:11618)
[  477.541072][ T8246]  ? 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))
[  477.541078][ T8246]  ? netdev_adjacent_rename_links (net/core/dev.c:9598)
[  477.541080][ T8246]  ? __kernel_text_address (kernel/extable.c:79)
[  477.541083][ T8246]  ? write_profile (profile.c:?)
[  477.541087][ T8246]  ? __asan_memset (mm/kasan/shadow.c:84 (discriminator 1))
[  477.541092][ T8246]  do_setlink.isra.0 (net/core/rtnetlink.c:3246)
[  477.541096][ T8246]  ? stack_trace_save (kernel/stacktrace.c:122 (discriminator 1))
[  477.541098][ T8246]  ? rtnl_link_get_size (net/core/rtnetlink.c:747)
[  477.541099][ T8246]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:388 kernel/rcu/update.c:380)
[  477.541101][ T8246]  ? stack_depot_save_flags (lib/stackdepot.c:609 (discriminator 2) lib/stackdepot.c:676 (discriminator 2))
[  477.541104][ T8246]  ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4116 (discriminator 3) kernel/rcu/tree.c:4108 (discriminator 3))
[  477.541106][ T8246]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380)
[  477.541108][ T8246]  ? validate_chain (kernel/locking/lockdep.c:3817 (discriminator 2) kernel/locking/lockdep.c:3837 (discriminator 2) kernel/locking/lockdep.c:3892 (discriminator 2))
[  477.541110][ T8246]  ? kasan_save_stack (mm/kasan/common.c:58)
[  477.541112][ T8246]  ? kasan_save_stack (mm/kasan/common.c:57)
[  477.541113][ T8246]  ? kasan_save_track (mm/kasan/common.c:78)
[  477.541114][ T8246]  ? __kasan_kmalloc (mm/kasan/common.c:398 mm/kasan/common.c:415)
[  477.541117][ T8246]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[  477.541119][ T8246]  ? snd_ac97_proc_read_main (sound/pci/ac97/ac97_proc.c:320)
[  477.541122][ T8246]  ? ___sys_sendmsg (net/socket.c:2758)
[  477.541125][ T8246]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2))
[  477.541131][ T8246]  ? rtnl_newlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:366 net/core/rtnetlink.c:4214)
[  477.541133][ T8246]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  477.541135][ T8246]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  477.541137][ T8246]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  477.541138][ T8246]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  477.541139][ T8246]  ? trace_contention_end (./include/trace/events/lock.h:121 (discriminator 22))
[  477.541141][ T8246]  ? __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)
[  477.541143][ T8246]  ? __mutex_lock (kernel/locking/mutex.c:656 (discriminator 1) kernel/locking/mutex.c:821 (discriminator 1))
[  477.541144][ T8246]  ? rtnl_newlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:366 net/core/rtnetlink.c:4214)
[  477.541148][ T8246]  ? ww_mutex_lock (kernel/locking/mutex.c:934)
[  477.541149][ T8246]  ? nla_get_range_signed (lib/nlattr.c:270)
[  477.541154][ T8246]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  477.541156][ T8246]  ? __rtnl_newlink (net/core/rtnetlink.c:4063)
[  477.541161][ T8246]  rtnl_newlink (net/core/rtnetlink.c:4215)
[  477.541166][ T8246]  ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558)
[  477.541168][ T8246]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[  477.541173][ T8246]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2))
[  477.541174][ T8246]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[  477.541176][ T8246]  ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558)
[  477.541178][ T8246]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554)
[  477.541186][ T8246]  ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558)
[  477.541188][ T8246]  rtnetlink_rcv_msg (net/core/rtnetlink.c:7132)
[  477.541191][ T8246]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[  477.541192][ T8246]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[  477.541197][ T8246]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2))
[  477.541198][ T8246]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[  477.541202][ T8246]  netlink_rcv_skb (net/netlink/af_netlink.c:2556)
[  477.541205][ T8246]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[  477.541208][ T8246]  ? netlink_ack (./include/linux/skbuff.h:2718)
[  477.541214][ T8246]  ? 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))
[  477.541216][ T8246]  ? 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))
[  477.541220][ T8246]  netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[  477.541224][ T8246]  ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[  477.541227][ T8246]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[  477.541231][ T8246]  netlink_sendmsg (net/netlink/af_netlink.c:1900)
[  477.541235][ T8246]  ? netlink_unicast (./include/net/net_namespace.h:422 (discriminator 7))
[  477.541238][ T8246]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554)
[  477.541240][ T8246]  ? __import_iovec (lib/iov_iter.c:1358 lib/iov_iter.c:1373)
[  477.541245][ T8246]  __sock_sendmsg (net/socket.c:800 (discriminator 4) net/socket.c:815 (discriminator 4))
[  477.541248][ T8246]  ____sys_sendmsg (net/socket.c:2713)
[  477.541250][ T8246]  ? copy_msghdr_from_user (net/socket.c:2650)
[  477.541253][ T8246]  ? sock_write_iter (net/socket.c:1269)
[  477.541254][ T8246]  ? move_addr_to_kernel (net/socket.c:258)
[  477.541261][ T8246]  ___sys_sendmsg (net/socket.c:2767)
[  477.541264][ T8246]  ? copy_msghdr_from_user (net/socket.c:2619)
[  477.541279][ T8246]  __sys_sendmsg (net/socket.c:2799)
[  477.541282][ T8246]  ? __sys_sendmsg_sock (net/socket.c:2780)
[  477.541288][ T8246]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  477.541291][ T8246]  do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84)
[  477.541294][ T8246]  ? exc_page_fault (arch/x86/mm/fault.c:1489 (discriminator 3) arch/x86/mm/fault.c:1536 (discriminator 3))
[  477.541297][ T8246]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[  477.541299][ T8246] RIP: 0033:0x7f941e17b54e
[  477.541303][ T8246] 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
[  477.541305][ T8246] RSP: 002b:00007ffea8e2fe00 EFLAGS: 00000202 ORIG_RAX: 000000000000002e
[  477.541307][ T8246] RAX: ffffffffffffffda RBX: 0000000000000005 RCX: 00007f941e17b54e
[  477.541309][ T8246] RDX: 0000000000000000 RSI: 00007ffea8e2feb0 RDI: 0000000000000005
[  477.541310][ T8246] RBP: 00007ffea8e2fe10 R08: 0000000000000000 R09: 0000000000000000
[  477.541311][ T8246] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a9111a0
[  477.541311][ T8246] R13: 00000000004a1620 R14: 0000000000000000 R15: 00007ffea8e30580
| [  486.142779][ T8382] softirqs last disabled at (25688): netif_change_name (./include/linux/spinlock.h:353 ./include/linux/seqlock.h:908 net/core/dev.c:1499)
| [  486.142781][ T8382] Preemption disabled at:
| [  486.142782][ T8382] vprintk_emit (kernel/printk/printk.c:2471)
| [  486.142790][ T8382] Tainted: [W]=WARN
[  486.142791][ T8382] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[  486.142792][ T8382] Call Trace:
[  486.142794][ T8382]  <TASK>
[  486.142796][ T8382]  dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120)
[  486.142801][ T8382]  ? vprintk_emit (kernel/printk/printk.c:2471)
[  486.142803][ T8382]  __might_resched.cold (kernel/sched/core.c:9234)
[  486.142807][ T8382]  ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3))
[  486.142812][ T8382]  ? __kmalloc_noprof (./include/linux/sched/mm.h:317 mm/slub.c:4636 mm/slub.c:4974 mm/slub.c:5413 mm/slub.c:5439)
[  486.142816][ T8382]  __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))
[  486.142818][ T8382]  ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[  486.142824][ T8382]  ? 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)
[  486.142827][ T8382]  alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[  486.142831][ T8382]  put_chars (drivers/char/virtio_console.c:1176)
[  486.142833][ T8382]  ? __send_to_port (drivers/char/virtio_console.c:654)
[  486.142839][ T8382]  hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2))
[  486.142847][ T8382]  ? hvc_write (drivers/tty/hvc/hvc_console.c:501)
[  486.142850][ T8382]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  486.142854][ T8382]  console_emit_next_record (kernel/printk/printk.c:3183)
[  486.142858][ T8382]  ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20)
[  486.142860][ T8382]  ? 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))
[  486.142863][ T8382]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  486.142866][ T8382]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  486.142870][ T8382]  console_flush_one_record (kernel/printk/printk.c:3268)
[  486.142874][ T8382]  ? console_emit_next_record (kernel/printk/printk.c:3150)
[  486.142876][ T8382]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[  486.142881][ T8382]  console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420)
[  486.142884][ T8382]  ? console_flush_one_record (kernel/printk/printk.c:3316)
[  486.142886][ T8382]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  486.142887][ T8382]  ? 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)
[  486.142891][ T8382]  ? __down_trylock_console_sem (kernel/printk/printk.c:334)
[  486.142893][ T8382]  ? vprintk_emit (kernel/printk/printk.c:2478)
[  486.142895][ T8382]  vprintk_emit (kernel/printk/printk.c:2479)
[  486.142898][ T8382]  ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126))
[  486.142901][ T8382]  ? _mutex_trylock_nest_lock (kernel/locking/mutex.c:1227 (discriminator 6))
[  486.142906][ T8382]  _printk (kernel/printk/printk.c:2504)
[  486.142909][ T8382]  ? snapshot_read.cold (user.c:?)
[  486.142911][ T8382]  ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4116 (discriminator 3) kernel/rcu/tree.c:4108 (discriminator 3))
[  486.142914][ T8382]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380)
[  486.142916][ T8382]  ? validate_chain (kernel/locking/lockdep.c:3817 (discriminator 2) kernel/locking/lockdep.c:3837 (discriminator 2) kernel/locking/lockdep.c:3892 (discriminator 2))
[  486.142918][ T8382]  ? netdev_name (./include/linux/netdevice.h:5709 (discriminator 1))
[  486.142922][ T8382]  ? __netdev_printk (net/core/dev.c:13148 (discriminator 2))
[  486.142925][ T8382]  ? do_setlink.isra.0 (net/core/rtnetlink.c:3246)
[  486.142927][ T8382]  netdev_info (net/core/dev.c:13195 (discriminator 3))
[  486.142930][ T8382]  ? netdev_notice (net/core/dev.c:13194)
[  486.142932][ T8382]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[  486.142935][ T8382]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554)
[  486.142938][ T8382]  ? mark_held_locks (kernel/locking/lockdep.c:4341)
[  486.142941][ T8382]  ? do_setlink.isra.0 (net/core/rtnetlink.c:3246)
[  486.142943][ T8382]  netif_change_name.cold (net/core/dev.c:1507 (discriminator 3))
[  486.142945][ T8382]  ? register_netdev (net/core/dev.c:11618)
[  486.142947][ T8382]  ? 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))
[  486.142952][ T8382]  ? netdev_adjacent_rename_links (net/core/dev.c:9598)
[  486.142954][ T8382]  ? __kernel_text_address (kernel/extable.c:79)
[  486.142957][ T8382]  ? write_profile (profile.c:?)
[  486.142961][ T8382]  ? __asan_memset (mm/kasan/shadow.c:84 (discriminator 1))
[  486.142966][ T8382]  do_setlink.isra.0 (net/core/rtnetlink.c:3246)
[  486.142970][ T8382]  ? stack_trace_save (kernel/stacktrace.c:122 (discriminator 1))
[  486.142972][ T8382]  ? rtnl_link_get_size (net/core/rtnetlink.c:747)
[  486.142973][ T8382]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:388 kernel/rcu/update.c:380)
[  486.142975][ T8382]  ? stack_depot_save_flags (lib/stackdepot.c:609 (discriminator 2) lib/stackdepot.c:676 (discriminator 2))
[  486.142978][ T8382]  ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4116 (discriminator 3) kernel/rcu/tree.c:4108 (discriminator 3))
[  486.142980][ T8382]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380)
[  486.142982][ T8382]  ? validate_chain (kernel/locking/lockdep.c:3817 (discriminator 2) kernel/locking/lockdep.c:3837 (discriminator 2) kernel/locking/lockdep.c:3892 (discriminator 2))
[  486.142984][ T8382]  ? kasan_save_stack (mm/kasan/common.c:58)
[  486.142986][ T8382]  ? kasan_save_stack (mm/kasan/common.c:57)
[  486.142987][ T8382]  ? kasan_save_track (mm/kasan/common.c:78)
[  486.142988][ T8382]  ? __kasan_kmalloc (mm/kasan/common.c:398 mm/kasan/common.c:415)
[  486.142991][ T8382]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[  486.142993][ T8382]  ? snd_ac97_proc_read_main (sound/pci/ac97/ac97_proc.c:320)
[  486.142996][ T8382]  ? ___sys_sendmsg (net/socket.c:2758)
[  486.143000][ T8382]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2))
[  486.143002][ T8382]  ? rtnl_newlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:366 net/core/rtnetlink.c:4214)
[  486.143004][ T8382]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  486.143006][ T8382]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  486.143007][ T8382]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  486.143009][ T8382]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  486.143010][ T8382]  ? trace_contention_end (./include/trace/events/lock.h:121 (discriminator 22))
[  486.143013][ T8382]  ? __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)
[  486.143014][ T8382]  ? __mutex_lock (kernel/locking/mutex.c:656 (discriminator 1) kernel/locking/mutex.c:821 (discriminator 1))
[  486.143016][ T8382]  ? rtnl_newlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:366 net/core/rtnetlink.c:4214)
[  486.143019][ T8382]  ? ww_mutex_lock (kernel/locking/mutex.c:934)
[  486.143020][ T8382]  ? nla_get_range_signed (lib/nlattr.c:270)
[  486.143025][ T8382]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  486.143027][ T8382]  ? __rtnl_newlink (net/core/rtnetlink.c:4063)
[  486.143032][ T8382]  rtnl_newlink (net/core/rtnetlink.c:4215)
[  486.143037][ T8382]  ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558)
[  486.143039][ T8382]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[  486.143044][ T8382]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2))
[  486.143045][ T8382]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[  486.143047][ T8382]  ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558)
[  486.143049][ T8382]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554)
[  486.143053][ T8382]  ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558)
[  486.143055][ T8382]  rtnetlink_rcv_msg (net/core/rtnetlink.c:7132)
[  486.143058][ T8382]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[  486.143059][ T8382]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[  486.143064][ T8382]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2))
[  486.143066][ T8382]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[  486.143069][ T8382]  netlink_rcv_skb (net/netlink/af_netlink.c:2556)
[  486.143072][ T8382]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[  486.143075][ T8382]  ? netlink_ack (./include/linux/skbuff.h:2718)
[  486.143081][ T8382]  ? 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))
[  486.143084][ T8382]  ? 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))
[  486.143088][ T8382]  netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[  486.143092][ T8382]  ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[  486.143094][ T8382]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[  486.143099][ T8382]  netlink_sendmsg (net/netlink/af_netlink.c:1900)
[  486.143102][ T8382]  ? netlink_unicast (./include/net/net_namespace.h:422 (discriminator 7))
[  486.143106][ T8382]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554)
[  486.143108][ T8382]  ? __import_iovec (lib/iov_iter.c:1358 lib/iov_iter.c:1373)
[  486.143113][ T8382]  __sock_sendmsg (net/socket.c:800 (discriminator 4) net/socket.c:815 (discriminator 4))
[  486.143116][ T8382]  ____sys_sendmsg (net/socket.c:2713)
[  486.143118][ T8382]  ? copy_msghdr_from_user (net/socket.c:2650)
[  486.143121][ T8382]  ? sock_write_iter (net/socket.c:1269)
[  486.143122][ T8382]  ? move_addr_to_kernel (net/socket.c:258)
[  486.143133][ T8382]  ___sys_sendmsg (net/socket.c:2767)
[  486.143136][ T8382]  ? copy_msghdr_from_user (net/socket.c:2619)
[  486.143151][ T8382]  __sys_sendmsg (net/socket.c:2799)
[  486.143154][ T8382]  ? __sys_sendmsg_sock (net/socket.c:2780)
[  486.143160][ T8382]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  486.143163][ T8382]  do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84)
[  486.143166][ T8382]  ? exc_page_fault (arch/x86/mm/fault.c:1489 (discriminator 3) arch/x86/mm/fault.c:1536 (discriminator 3))
[  486.143169][ T8382]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[  486.143171][ T8382] RIP: 0033:0x7f7fb97b854e
[  486.143175][ T8382] 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
[  486.143177][ T8382] RSP: 002b:00007ffc8a0c09b0 EFLAGS: 00000202 ORIG_RAX: 000000000000002e
[  486.143179][ T8382] RAX: ffffffffffffffda RBX: 0000000000000005 RCX: 00007f7fb97b854e
[  486.143181][ T8382] RDX: 0000000000000000 RSI: 00007ffc8a0c0a60 RDI: 0000000000000005
[  486.143182][ T8382] RBP: 00007ffc8a0c09c0 R08: 0000000000000000 R09: 0000000000000000
[  486.143182][ T8382] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a9111a9
[  486.143183][ T8382] R13: 00000000004a1620 R14: 0000000000000000 R15: 00007ffc8a0c1130
| [  494.761872][ T8525] softirqs last disabled at (18288): netif_change_name (./include/linux/spinlock.h:353 ./include/linux/seqlock.h:908 net/core/dev.c:1499)
| [  494.761875][ T8525] Preemption disabled at:
| [  494.761875][ T8525] vprintk_emit (kernel/printk/printk.c:2471)
| [  494.761884][ T8525] Tainted: [W]=WARN
[  494.761885][ T8525] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[  494.761886][ T8525] Call Trace:
[  494.761888][ T8525]  <TASK>
[  494.761890][ T8525]  dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120)
[  494.761896][ T8525]  ? vprintk_emit (kernel/printk/printk.c:2471)
[  494.761897][ T8525]  __might_resched.cold (kernel/sched/core.c:9234)
[  494.761902][ T8525]  ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3))
[  494.761906][ T8525]  ? __kmalloc_noprof (./include/linux/sched/mm.h:317 mm/slub.c:4636 mm/slub.c:4974 mm/slub.c:5413 mm/slub.c:5439)
[  494.761911][ T8525]  __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))
[  494.761913][ T8525]  ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[  494.761919][ T8525]  ? 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)
[  494.761922][ T8525]  alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[  494.761925][ T8525]  put_chars (drivers/char/virtio_console.c:1176)
[  494.761928][ T8525]  ? __send_to_port (drivers/char/virtio_console.c:654)
[  494.761934][ T8525]  hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2))
[  494.761942][ T8525]  ? hvc_write (drivers/tty/hvc/hvc_console.c:501)
[  494.761945][ T8525]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  494.761949][ T8525]  console_emit_next_record (kernel/printk/printk.c:3183)
[  494.761953][ T8525]  ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20)
[  494.761955][ T8525]  ? 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))
[  494.761958][ T8525]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  494.761961][ T8525]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  494.761965][ T8525]  console_flush_one_record (kernel/printk/printk.c:3268)
[  494.761969][ T8525]  ? console_emit_next_record (kernel/printk/printk.c:3150)
[  494.761971][ T8525]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[  494.761976][ T8525]  console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420)
[  494.761979][ T8525]  ? console_flush_one_record (kernel/printk/printk.c:3316)
[  494.761981][ T8525]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  494.761982][ T8525]  ? 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)
[  494.761986][ T8525]  ? __down_trylock_console_sem (kernel/printk/printk.c:334)
[  494.761988][ T8525]  ? vprintk_emit (kernel/printk/printk.c:2478)
[  494.761991][ T8525]  vprintk_emit (kernel/printk/printk.c:2479)
[  494.761994][ T8525]  ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126))
[  494.761996][ T8525]  ? _mutex_trylock_nest_lock (kernel/locking/mutex.c:1227 (discriminator 6))
[  494.762001][ T8525]  _printk (kernel/printk/printk.c:2504)
[  494.762005][ T8525]  ? snapshot_read.cold (user.c:?)
[  494.762006][ T8525]  ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4116 (discriminator 3) kernel/rcu/tree.c:4108 (discriminator 3))
[  494.762009][ T8525]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380)
[  494.762011][ T8525]  ? validate_chain (kernel/locking/lockdep.c:3817 (discriminator 2) kernel/locking/lockdep.c:3837 (discriminator 2) kernel/locking/lockdep.c:3892 (discriminator 2))
[  494.762013][ T8525]  ? netdev_name (./include/linux/netdevice.h:5709 (discriminator 1))
[  494.762017][ T8525]  ? __netdev_printk (net/core/dev.c:13148 (discriminator 2))
[  494.762020][ T8525]  ? do_setlink.isra.0 (net/core/rtnetlink.c:3246)
[  494.762022][ T8525]  netdev_info (net/core/dev.c:13195 (discriminator 3))
[  494.762025][ T8525]  ? netdev_notice (net/core/dev.c:13194)
[  494.762027][ T8525]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[  494.762030][ T8525]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554)
[  494.762033][ T8525]  ? mark_held_locks (kernel/locking/lockdep.c:4341)
[  494.762036][ T8525]  ? do_setlink.isra.0 (net/core/rtnetlink.c:3246)
[  494.762038][ T8525]  netif_change_name.cold (net/core/dev.c:1507 (discriminator 3))
[  494.762041][ T8525]  ? register_netdev (net/core/dev.c:11618)
[  494.762042][ T8525]  ? 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))
[  494.762047][ T8525]  ? netdev_adjacent_rename_links (net/core/dev.c:9598)
[  494.762050][ T8525]  ? __kernel_text_address (kernel/extable.c:79)
[  494.762052][ T8525]  ? write_profile (profile.c:?)
[  494.762056][ T8525]  ? __asan_memset (mm/kasan/shadow.c:84 (discriminator 1))
[  494.762063][ T8525]  do_setlink.isra.0 (net/core/rtnetlink.c:3246)
[  494.762066][ T8525]  ? stack_trace_save (kernel/stacktrace.c:122 (discriminator 1))
[  494.762068][ T8525]  ? rtnl_link_get_size (net/core/rtnetlink.c:747)
[  494.762069][ T8525]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:388 kernel/rcu/update.c:380)
[  494.762071][ T8525]  ? stack_depot_save_flags (lib/stackdepot.c:609 (discriminator 2) lib/stackdepot.c:676 (discriminator 2))
[  494.762074][ T8525]  ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4116 (discriminator 3) kernel/rcu/tree.c:4108 (discriminator 3))
[  494.762076][ T8525]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380)
[  494.762078][ T8525]  ? validate_chain (kernel/locking/lockdep.c:3817 (discriminator 2) kernel/locking/lockdep.c:3837 (discriminator 2) kernel/locking/lockdep.c:3892 (discriminator 2))
[  494.762080][ T8525]  ? kasan_save_stack (mm/kasan/common.c:58)
[  494.762082][ T8525]  ? kasan_save_stack (mm/kasan/common.c:57)
[  494.762083][ T8525]  ? kasan_save_track (mm/kasan/common.c:78)
[  494.762085][ T8525]  ? __kasan_kmalloc (mm/kasan/common.c:398 mm/kasan/common.c:415)
[  494.762087][ T8525]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[  494.762089][ T8525]  ? snd_ac97_proc_read_main (sound/pci/ac97/ac97_proc.c:320)
[  494.762092][ T8525]  ? ___sys_sendmsg (net/socket.c:2758)
[  494.762095][ T8525]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2))
[  494.762097][ T8525]  ? rtnl_newlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:366 net/core/rtnetlink.c:4214)
[  494.762100][ T8525]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  494.762102][ T8525]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  494.762103][ T8525]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  494.762104][ T8525]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  494.762106][ T8525]  ? trace_contention_end (./include/trace/events/lock.h:121 (discriminator 22))
[  494.762108][ T8525]  ? __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)
[  494.762110][ T8525]  ? __mutex_lock (kernel/locking/mutex.c:656 (discriminator 1) kernel/locking/mutex.c:821 (discriminator 1))
[  494.762111][ T8525]  ? rtnl_newlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:366 net/core/rtnetlink.c:4214)
[  494.762115][ T8525]  ? ww_mutex_lock (kernel/locking/mutex.c:934)
[  494.762116][ T8525]  ? nla_get_range_signed (lib/nlattr.c:270)
[  494.762120][ T8525]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  494.762123][ T8525]  ? __rtnl_newlink (net/core/rtnetlink.c:4063)
[  494.762131][ T8525]  rtnl_newlink (net/core/rtnetlink.c:4215)
[  494.762136][ T8525]  ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558)
[  494.762138][ T8525]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[  494.762142][ T8525]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2))
[  494.762144][ T8525]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[  494.762146][ T8525]  ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558)
[  494.762148][ T8525]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554)
[  494.762151][ T8525]  ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558)
[  494.762153][ T8525]  rtnetlink_rcv_msg (net/core/rtnetlink.c:7132)
[  494.762156][ T8525]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[  494.762158][ T8525]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[  494.762162][ T8525]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2))
[  494.762164][ T8525]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[  494.762167][ T8525]  netlink_rcv_skb (net/netlink/af_netlink.c:2556)
[  494.762170][ T8525]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[  494.762173][ T8525]  ? netlink_ack (./include/linux/skbuff.h:2718)
[  494.762180][ T8525]  ? 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))
[  494.762182][ T8525]  ? 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))
[  494.762186][ T8525]  netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[  494.762190][ T8525]  ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[  494.762193][ T8525]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[  494.762197][ T8525]  netlink_sendmsg (net/netlink/af_netlink.c:1900)
[  494.762201][ T8525]  ? netlink_unicast (./include/net/net_namespace.h:422 (discriminator 7))
[  494.762204][ T8525]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554)
[  494.762206][ T8525]  ? __import_iovec (lib/iov_iter.c:1358 lib/iov_iter.c:1373)
[  494.762211][ T8525]  __sock_sendmsg (net/socket.c:800 (discriminator 4) net/socket.c:815 (discriminator 4))
[  494.762214][ T8525]  ____sys_sendmsg (net/socket.c:2713)
[  494.762216][ T8525]  ? copy_msghdr_from_user (net/socket.c:2650)
[  494.762218][ T8525]  ? sock_write_iter (net/socket.c:1269)
[  494.762220][ T8525]  ? move_addr_to_kernel (net/socket.c:258)
[  494.762227][ T8525]  ___sys_sendmsg (net/socket.c:2767)
[  494.762230][ T8525]  ? copy_msghdr_from_user (net/socket.c:2619)
[  494.762249][ T8525]  __sys_sendmsg (net/socket.c:2799)
[  494.762252][ T8525]  ? __sys_sendmsg_sock (net/socket.c:2780)
[  494.762258][ T8525]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  494.762261][ T8525]  do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84)
[  494.762264][ T8525]  ? exc_page_fault (arch/x86/mm/fault.c:1489 (discriminator 3) arch/x86/mm/fault.c:1536 (discriminator 3))
[  494.762267][ T8525]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[  494.762269][ T8525] RIP: 0033:0x7fa015a2254e
[  494.762273][ T8525] 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
[  494.762275][ T8525] RSP: 002b:00007fff8ab98970 EFLAGS: 00000202 ORIG_RAX: 000000000000002e
[  494.762278][ T8525] RAX: ffffffffffffffda RBX: 0000000000000005 RCX: 00007fa015a2254e
[  494.762279][ T8525] RDX: 0000000000000000 RSI: 00007fff8ab98a20 RDI: 0000000000000005
[  494.762280][ T8525] RBP: 00007fff8ab98980 R08: 0000000000000000 R09: 0000000000000000
[  494.762281][ T8525] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a9111b2
[  494.762282][ T8525] R13: 00000000004a1620 R14: 0000000000000000 R15: 00007fff8ab990f0
| [  503.454742][ T8668] softirqs last disabled at (23608): netif_change_name (./include/linux/spinlock.h:353 ./include/linux/seqlock.h:908 net/core/dev.c:1499)
| [  503.454745][ T8668] Preemption disabled at:
| [  503.454746][ T8668] vprintk_emit (kernel/printk/printk.c:2471)
| [  503.454754][ T8668] Tainted: [W]=WARN
[  503.454755][ T8668] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[  503.454757][ T8668] Call Trace:
[  503.454758][ T8668]  <TASK>
[  503.454760][ T8668]  dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120)
[  503.454765][ T8668]  ? vprintk_emit (kernel/printk/printk.c:2471)
[  503.454767][ T8668]  __might_resched.cold (kernel/sched/core.c:9234)
[  503.454771][ T8668]  ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3))
[  503.454775][ T8668]  ? __kmalloc_noprof (./include/linux/sched/mm.h:317 mm/slub.c:4636 mm/slub.c:4974 mm/slub.c:5413 mm/slub.c:5439)
[  503.454780][ T8668]  __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))
[  503.454781][ T8668]  ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[  503.454788][ T8668]  ? 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)
[  503.454791][ T8668]  alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[  503.454794][ T8668]  put_chars (drivers/char/virtio_console.c:1176)
[  503.454797][ T8668]  ? __send_to_port (drivers/char/virtio_console.c:654)
[  503.454803][ T8668]  hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2))
[  503.454810][ T8668]  ? hvc_write (drivers/tty/hvc/hvc_console.c:501)
[  503.454813][ T8668]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  503.454818][ T8668]  console_emit_next_record (kernel/printk/printk.c:3183)
[  503.454822][ T8668]  ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20)
[  503.454824][ T8668]  ? 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))
[  503.454827][ T8668]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  503.454829][ T8668]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  503.454833][ T8668]  console_flush_one_record (kernel/printk/printk.c:3268)
[  503.454837][ T8668]  ? console_emit_next_record (kernel/printk/printk.c:3150)
[  503.454839][ T8668]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[  503.454844][ T8668]  console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420)
[  503.454847][ T8668]  ? console_flush_one_record (kernel/printk/printk.c:3316)
[  503.454849][ T8668]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  503.454850][ T8668]  ? 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)
[  503.454854][ T8668]  ? __down_trylock_console_sem (kernel/printk/printk.c:334)
[  503.454856][ T8668]  ? vprintk_emit (kernel/printk/printk.c:2478)
[  503.454858][ T8668]  vprintk_emit (kernel/printk/printk.c:2479)
[  503.454861][ T8668]  ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126))
[  503.454864][ T8668]  ? _mutex_trylock_nest_lock (kernel/locking/mutex.c:1227 (discriminator 6))
[  503.454869][ T8668]  _printk (kernel/printk/printk.c:2504)
[  503.454872][ T8668]  ? snapshot_read.cold (user.c:?)
[  503.454874][ T8668]  ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4116 (discriminator 3) kernel/rcu/tree.c:4108 (discriminator 3))
[  503.454877][ T8668]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380)
[  503.454879][ T8668]  ? validate_chain (kernel/locking/lockdep.c:3817 (discriminator 2) kernel/locking/lockdep.c:3837 (discriminator 2) kernel/locking/lockdep.c:3892 (discriminator 2))
[  503.454881][ T8668]  ? netdev_name (./include/linux/netdevice.h:5709 (discriminator 1))
[  503.454885][ T8668]  ? __netdev_printk (net/core/dev.c:13148 (discriminator 2))
[  503.454888][ T8668]  ? do_setlink.isra.0 (net/core/rtnetlink.c:3246)
[  503.454890][ T8668]  netdev_info (net/core/dev.c:13195 (discriminator 3))
[  503.454893][ T8668]  ? netdev_notice (net/core/dev.c:13194)
[  503.454896][ T8668]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[  503.454899][ T8668]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554)
[  503.454901][ T8668]  ? mark_held_locks (kernel/locking/lockdep.c:4341)
[  503.454905][ T8668]  ? do_setlink.isra.0 (net/core/rtnetlink.c:3246)
[  503.454907][ T8668]  netif_change_name.cold (net/core/dev.c:1507 (discriminator 3))
[  503.454909][ T8668]  ? register_netdev (net/core/dev.c:11618)
[  503.454910][ T8668]  ? 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))
[  503.454916][ T8668]  ? netdev_adjacent_rename_links (net/core/dev.c:9598)
[  503.454918][ T8668]  ? __kernel_text_address (kernel/extable.c:79)
[  503.454921][ T8668]  ? write_profile (profile.c:?)
[  503.454925][ T8668]  ? __asan_memset (mm/kasan/shadow.c:84 (discriminator 1))
[  503.454930][ T8668]  do_setlink.isra.0 (net/core/rtnetlink.c:3246)
[  503.454933][ T8668]  ? stack_trace_save (kernel/stacktrace.c:122 (discriminator 1))
[  503.454935][ T8668]  ? rtnl_link_get_size (net/core/rtnetlink.c:747)
[  503.454937][ T8668]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:388 kernel/rcu/update.c:380)
[  503.454939][ T8668]  ? stack_depot_save_flags (lib/stackdepot.c:609 (discriminator 2) lib/stackdepot.c:676 (discriminator 2))
[  503.454942][ T8668]  ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4116 (discriminator 3) kernel/rcu/tree.c:4108 (discriminator 3))
[  503.454944][ T8668]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380)
[  503.454945][ T8668]  ? validate_chain (kernel/locking/lockdep.c:3817 (discriminator 2) kernel/locking/lockdep.c:3837 (discriminator 2) kernel/locking/lockdep.c:3892 (discriminator 2))
[  503.454948][ T8668]  ? kasan_save_stack (mm/kasan/common.c:58)
[  503.454949][ T8668]  ? kasan_save_stack (mm/kasan/common.c:57)
[  503.454951][ T8668]  ? kasan_save_track (mm/kasan/common.c:78)
[  503.454952][ T8668]  ? __kasan_kmalloc (mm/kasan/common.c:398 mm/kasan/common.c:415)
[  503.454954][ T8668]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[  503.454956][ T8668]  ? snd_ac97_proc_read_main (sound/pci/ac97/ac97_proc.c:320)
[  503.454959][ T8668]  ? ___sys_sendmsg (net/socket.c:2758)
[  503.454963][ T8668]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2))
[  503.454965][ T8668]  ? rtnl_newlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:366 net/core/rtnetlink.c:4214)
[  503.454967][ T8668]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  503.454969][ T8668]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  503.454971][ T8668]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  503.454972][ T8668]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  503.454973][ T8668]  ? trace_contention_end (./include/trace/events/lock.h:121 (discriminator 22))
[  503.454976][ T8668]  ? __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)
[  503.454977][ T8668]  ? __mutex_lock (kernel/locking/mutex.c:656 (discriminator 1) kernel/locking/mutex.c:821 (discriminator 1))
[  503.454979][ T8668]  ? rtnl_newlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:366 net/core/rtnetlink.c:4214)
[  503.454982][ T8668]  ? ww_mutex_lock (kernel/locking/mutex.c:934)
[  503.454983][ T8668]  ? nla_get_range_signed (lib/nlattr.c:270)
[  503.454988][ T8668]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  503.454990][ T8668]  ? __rtnl_newlink (net/core/rtnetlink.c:4063)
[  503.454995][ T8668]  rtnl_newlink (net/core/rtnetlink.c:4215)
[  503.455000][ T8668]  ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558)
[  503.455002][ T8668]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[  503.455007][ T8668]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2))
[  503.455008][ T8668]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[  503.455010][ T8668]  ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558)
[  503.455012][ T8668]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554)
[  503.455016][ T8668]  ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558)
[  503.455018][ T8668]  rtnetlink_rcv_msg (net/core/rtnetlink.c:7132)
[  503.455021][ T8668]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[  503.455022][ T8668]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[  503.455026][ T8668]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2))
[  503.455028][ T8668]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[  503.455032][ T8668]  netlink_rcv_skb (net/netlink/af_netlink.c:2556)
[  503.455035][ T8668]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[  503.455037][ T8668]  ? netlink_ack (./include/linux/skbuff.h:2718)
[  503.455044][ T8668]  ? 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))
[  503.455046][ T8668]  ? 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))
[  503.455050][ T8668]  netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[  503.455054][ T8668]  ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[  503.455057][ T8668]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[  503.455061][ T8668]  netlink_sendmsg (net/netlink/af_netlink.c:1900)
[  503.455065][ T8668]  ? netlink_unicast (./include/net/net_namespace.h:422 (discriminator 7))
[  503.455068][ T8668]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554)
[  503.455070][ T8668]  ? __import_iovec (lib/iov_iter.c:1358 lib/iov_iter.c:1373)
[  503.455075][ T8668]  __sock_sendmsg (net/socket.c:800 (discriminator 4) net/socket.c:815 (discriminator 4))
[  503.455078][ T8668]  ____sys_sendmsg (net/socket.c:2713)
[  503.455080][ T8668]  ? copy_msghdr_from_user (net/socket.c:2650)
[  503.455082][ T8668]  ? sock_write_iter (net/socket.c:1269)
[  503.455084][ T8668]  ? move_addr_to_kernel (net/socket.c:258)
[  503.455091][ T8668]  ___sys_sendmsg (net/socket.c:2767)
[  503.455094][ T8668]  ? copy_msghdr_from_user (net/socket.c:2619)
[  503.455109][ T8668]  __sys_sendmsg (net/socket.c:2799)
[  503.455112][ T8668]  ? __sys_sendmsg_sock (net/socket.c:2780)
[  503.455118][ T8668]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  503.455121][ T8668]  do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84)
[  503.455124][ T8668]  ? exc_page_fault (arch/x86/mm/fault.c:1489 (discriminator 3) arch/x86/mm/fault.c:1536 (discriminator 3))
[  503.455130][ T8668]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[  503.455132][ T8668] RIP: 0033:0x7f429f17854e
[  503.455136][ T8668] 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
[  503.455137][ T8668] RSP: 002b:00007ffcd798db20 EFLAGS: 00000202 ORIG_RAX: 000000000000002e
[  503.455140][ T8668] RAX: ffffffffffffffda RBX: 0000000000000005 RCX: 00007f429f17854e
[  503.455141][ T8668] RDX: 0000000000000000 RSI: 00007ffcd798dbd0 RDI: 0000000000000005
[  503.455142][ T8668] RBP: 00007ffcd798db30 R08: 0000000000000000 R09: 0000000000000000
[  503.455143][ T8668] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a9111ba
[  503.455144][ T8668] R13: 00000000004a1620 R14: 0000000000000000 R15: 00007ffcd798e2a0
| [  512.087854][ T8811] softirqs last disabled at (25896): netif_change_name (./include/linux/spinlock.h:353 ./include/linux/seqlock.h:908 net/core/dev.c:1499)
| [  512.087856][ T8811] Preemption disabled at:
| [  512.087857][ T8811] vprintk_emit (kernel/printk/printk.c:2471)
| [  512.087865][ T8811] Tainted: [W]=WARN
[  512.087866][ T8811] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[  512.087867][ T8811] Call Trace:
[  512.087869][ T8811]  <TASK>
[  512.087870][ T8811]  dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120)
[  512.087876][ T8811]  ? vprintk_emit (kernel/printk/printk.c:2471)
[  512.087878][ T8811]  __might_resched.cold (kernel/sched/core.c:9234)
[  512.087882][ T8811]  ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3))
[  512.087886][ T8811]  ? __kmalloc_noprof (./include/linux/sched/mm.h:317 mm/slub.c:4636 mm/slub.c:4974 mm/slub.c:5413 mm/slub.c:5439)
[  512.087890][ T8811]  __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))
[  512.087892][ T8811]  ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[  512.087898][ T8811]  ? 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)
[  512.087901][ T8811]  alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[  512.087905][ T8811]  put_chars (drivers/char/virtio_console.c:1176)
[  512.087907][ T8811]  ? __send_to_port (drivers/char/virtio_console.c:654)
[  512.087913][ T8811]  hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2))
[  512.087921][ T8811]  ? hvc_write (drivers/tty/hvc/hvc_console.c:501)
[  512.087924][ T8811]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  512.087928][ T8811]  console_emit_next_record (kernel/printk/printk.c:3183)
[  512.087932][ T8811]  ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20)
[  512.087934][ T8811]  ? 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))
[  512.087937][ T8811]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  512.087940][ T8811]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  512.087944][ T8811]  console_flush_one_record (kernel/printk/printk.c:3268)
[  512.087948][ T8811]  ? console_emit_next_record (kernel/printk/printk.c:3150)
[  512.087950][ T8811]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[  512.087955][ T8811]  console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420)
[  512.087958][ T8811]  ? console_flush_one_record (kernel/printk/printk.c:3316)
[  512.087960][ T8811]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  512.087961][ T8811]  ? 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)
[  512.087965][ T8811]  ? __down_trylock_console_sem (kernel/printk/printk.c:334)
[  512.087967][ T8811]  ? vprintk_emit (kernel/printk/printk.c:2478)
[  512.087969][ T8811]  vprintk_emit (kernel/printk/printk.c:2479)
[  512.087972][ T8811]  ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126))
[  512.087975][ T8811]  ? _mutex_trylock_nest_lock (kernel/locking/mutex.c:1227 (discriminator 6))
[  512.087980][ T8811]  _printk (kernel/printk/printk.c:2504)
[  512.087983][ T8811]  ? snapshot_read.cold (user.c:?)
[  512.087985][ T8811]  ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4116 (discriminator 3) kernel/rcu/tree.c:4108 (discriminator 3))
[  512.087987][ T8811]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380)
[  512.087990][ T8811]  ? validate_chain (kernel/locking/lockdep.c:3817 (discriminator 2) kernel/locking/lockdep.c:3837 (discriminator 2) kernel/locking/lockdep.c:3892 (discriminator 2))
[  512.087992][ T8811]  ? netdev_name (./include/linux/netdevice.h:5709 (discriminator 1))
[  512.087996][ T8811]  ? __netdev_printk (net/core/dev.c:13148 (discriminator 2))
[  512.087999][ T8811]  ? do_setlink.isra.0 (net/core/rtnetlink.c:3246)
[  512.088001][ T8811]  netdev_info (net/core/dev.c:13195 (discriminator 3))
[  512.088003][ T8811]  ? netdev_notice (net/core/dev.c:13194)
[  512.088006][ T8811]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[  512.088009][ T8811]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554)
[  512.088011][ T8811]  ? mark_held_locks (kernel/locking/lockdep.c:4341)
[  512.088015][ T8811]  ? do_setlink.isra.0 (net/core/rtnetlink.c:3246)
[  512.088017][ T8811]  netif_change_name.cold (net/core/dev.c:1507 (discriminator 3))
[  512.088019][ T8811]  ? register_netdev (net/core/dev.c:11618)
[  512.088021][ T8811]  ? 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))
[  512.088026][ T8811]  ? netdev_adjacent_rename_links (net/core/dev.c:9598)
[  512.088028][ T8811]  ? __kernel_text_address (kernel/extable.c:79)
[  512.088031][ T8811]  ? write_profile (profile.c:?)
[  512.088035][ T8811]  ? __asan_memset (mm/kasan/shadow.c:84 (discriminator 1))
[  512.088040][ T8811]  do_setlink.isra.0 (net/core/rtnetlink.c:3246)
[  512.088043][ T8811]  ? stack_trace_save (kernel/stacktrace.c:122 (discriminator 1))
[  512.088046][ T8811]  ? rtnl_link_get_size (net/core/rtnetlink.c:747)
[  512.088047][ T8811]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:388 kernel/rcu/update.c:380)
[  512.088049][ T8811]  ? stack_depot_save_flags (lib/stackdepot.c:609 (discriminator 2) lib/stackdepot.c:676 (discriminator 2))
[  512.088052][ T8811]  ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4116 (discriminator 3) kernel/rcu/tree.c:4108 (discriminator 3))
[  512.088054][ T8811]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380)
[  512.088055][ T8811]  ? validate_chain (kernel/locking/lockdep.c:3817 (discriminator 2) kernel/locking/lockdep.c:3837 (discriminator 2) kernel/locking/lockdep.c:3892 (discriminator 2))
[  512.088058][ T8811]  ? kasan_save_stack (mm/kasan/common.c:58)
[  512.088059][ T8811]  ? kasan_save_stack (mm/kasan/common.c:57)
[  512.088061][ T8811]  ? kasan_save_track (mm/kasan/common.c:78)
[  512.088062][ T8811]  ? __kasan_kmalloc (mm/kasan/common.c:398 mm/kasan/common.c:415)
[  512.088064][ T8811]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[  512.088066][ T8811]  ? snd_ac97_proc_read_main (sound/pci/ac97/ac97_proc.c:320)
[  512.088069][ T8811]  ? ___sys_sendmsg (net/socket.c:2758)
[  512.088073][ T8811]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2))
[  512.088075][ T8811]  ? rtnl_newlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:366 net/core/rtnetlink.c:4214)
[  512.088077][ T8811]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  512.088079][ T8811]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  512.088080][ T8811]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  512.088082][ T8811]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  512.088083][ T8811]  ? trace_contention_end (./include/trace/events/lock.h:121 (discriminator 22))
[  512.088085][ T8811]  ? __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)
[  512.088087][ T8811]  ? __mutex_lock (kernel/locking/mutex.c:656 (discriminator 1) kernel/locking/mutex.c:821 (discriminator 1))
[  512.088088][ T8811]  ? rtnl_newlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:366 net/core/rtnetlink.c:4214)
[  512.088092][ T8811]  ? ww_mutex_lock (kernel/locking/mutex.c:934)
[  512.088093][ T8811]  ? nla_get_range_signed (lib/nlattr.c:270)
[  512.088098][ T8811]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  512.088100][ T8811]  ? __rtnl_newlink (net/core/rtnetlink.c:4063)
[  512.088105][ T8811]  rtnl_newlink (net/core/rtnetlink.c:4215)
[  512.088110][ T8811]  ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558)
[  512.088112][ T8811]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[  512.088116][ T8811]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2))
[  512.088118][ T8811]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[  512.088120][ T8811]  ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558)
[  512.088122][ T8811]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554)
[  512.088126][ T8811]  ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558)
[  512.088131][ T8811]  rtnetlink_rcv_msg (net/core/rtnetlink.c:7132)
[  512.088134][ T8811]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[  512.088135][ T8811]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[  512.088140][ T8811]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2))
[  512.088142][ T8811]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[  512.088145][ T8811]  netlink_rcv_skb (net/netlink/af_netlink.c:2556)
[  512.088148][ T8811]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[  512.088151][ T8811]  ? netlink_ack (./include/linux/skbuff.h:2718)
[  512.088157][ T8811]  ? 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))
[  512.088159][ T8811]  ? 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))
[  512.088164][ T8811]  netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[  512.088167][ T8811]  ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[  512.088170][ T8811]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[  512.088174][ T8811]  netlink_sendmsg (net/netlink/af_netlink.c:1900)
[  512.088178][ T8811]  ? netlink_unicast (./include/net/net_namespace.h:422 (discriminator 7))
[  512.088182][ T8811]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554)
[  512.088183][ T8811]  ? __import_iovec (lib/iov_iter.c:1358 lib/iov_iter.c:1373)
[  512.088188][ T8811]  __sock_sendmsg (net/socket.c:800 (discriminator 4) net/socket.c:815 (discriminator 4))
[  512.088191][ T8811]  ____sys_sendmsg (net/socket.c:2713)
[  512.088193][ T8811]  ? copy_msghdr_from_user (net/socket.c:2650)
[  512.088196][ T8811]  ? sock_write_iter (net/socket.c:1269)
[  512.088197][ T8811]  ? move_addr_to_kernel (net/socket.c:258)
[  512.088204][ T8811]  ___sys_sendmsg (net/socket.c:2767)
[  512.088207][ T8811]  ? copy_msghdr_from_user (net/socket.c:2619)
[  512.088223][ T8811]  __sys_sendmsg (net/socket.c:2799)
[  512.088226][ T8811]  ? __sys_sendmsg_sock (net/socket.c:2780)
[  512.088232][ T8811]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  512.088235][ T8811]  do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84)
[  512.088238][ T8811]  ? exc_page_fault (arch/x86/mm/fault.c:1489 (discriminator 3) arch/x86/mm/fault.c:1536 (discriminator 3))
[  512.088240][ T8811]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[  512.088243][ T8811] RIP: 0033:0x7fcb03bba54e
[  512.088246][ T8811] 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
[  512.088248][ T8811] RSP: 002b:00007ffdf27c3810 EFLAGS: 00000202 ORIG_RAX: 000000000000002e
[  512.088251][ T8811] RAX: ffffffffffffffda RBX: 0000000000000005 RCX: 00007fcb03bba54e
[  512.088252][ T8811] RDX: 0000000000000000 RSI: 00007ffdf27c38c0 RDI: 0000000000000005
[  512.088253][ T8811] RBP: 00007ffdf27c3820 R08: 0000000000000000 R09: 0000000000000000
[  512.088254][ T8811] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a9111c3
[  512.088255][ T8811] R13: 00000000004a1620 R14: 0000000000000000 R15: 00007ffdf27c3f90
| [  520.724904][ T8954] softirqs last disabled at (24830): netif_change_name (./include/linux/spinlock.h:353 ./include/linux/seqlock.h:908 net/core/dev.c:1499)
| [  520.724907][ T8954] Preemption disabled at:
| [  520.724907][ T8954] vprintk_emit (kernel/printk/printk.c:2471)
| [  520.724915][ T8954] Tainted: [W]=WARN
[  520.724916][ T8954] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[  520.724918][ T8954] Call Trace:
[  520.724919][ T8954]  <TASK>
[  520.724921][ T8954]  dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120)
[  520.724926][ T8954]  ? vprintk_emit (kernel/printk/printk.c:2471)
[  520.724928][ T8954]  __might_resched.cold (kernel/sched/core.c:9234)
[  520.724932][ T8954]  ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3))
[  520.724937][ T8954]  ? __kmalloc_noprof (./include/linux/sched/mm.h:317 mm/slub.c:4636 mm/slub.c:4974 mm/slub.c:5413 mm/slub.c:5439)
[  520.724941][ T8954]  __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))
[  520.724943][ T8954]  ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[  520.724949][ T8954]  ? 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)
[  520.724952][ T8954]  alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[  520.724956][ T8954]  put_chars (drivers/char/virtio_console.c:1176)
[  520.724958][ T8954]  ? __send_to_port (drivers/char/virtio_console.c:654)
[  520.724964][ T8954]  hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2))
[  520.724972][ T8954]  ? hvc_write (drivers/tty/hvc/hvc_console.c:501)
[  520.724975][ T8954]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  520.724980][ T8954]  console_emit_next_record (kernel/printk/printk.c:3183)
[  520.724984][ T8954]  ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20)
[  520.724986][ T8954]  ? 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))
[  520.724989][ T8954]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  520.724992][ T8954]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  520.724996][ T8954]  console_flush_one_record (kernel/printk/printk.c:3268)
[  520.725000][ T8954]  ? console_emit_next_record (kernel/printk/printk.c:3150)
[  520.725002][ T8954]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[  520.725007][ T8954]  console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420)
[  520.725010][ T8954]  ? console_flush_one_record (kernel/printk/printk.c:3316)
[  520.725012][ T8954]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  520.725014][ T8954]  ? 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)
[  520.725017][ T8954]  ? __down_trylock_console_sem (kernel/printk/printk.c:334)
[  520.725019][ T8954]  ? vprintk_emit (kernel/printk/printk.c:2478)
[  520.725022][ T8954]  vprintk_emit (kernel/printk/printk.c:2479)
[  520.725025][ T8954]  ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126))
[  520.725028][ T8954]  ? _mutex_trylock_nest_lock (kernel/locking/mutex.c:1227 (discriminator 6))
[  520.725033][ T8954]  _printk (kernel/printk/printk.c:2504)
[  520.725036][ T8954]  ? snapshot_read.cold (user.c:?)
[  520.725038][ T8954]  ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4116 (discriminator 3) kernel/rcu/tree.c:4108 (discriminator 3))
[  520.725041][ T8954]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380)
[  520.725043][ T8954]  ? validate_chain (kernel/locking/lockdep.c:3817 (discriminator 2) kernel/locking/lockdep.c:3837 (discriminator 2) kernel/locking/lockdep.c:3892 (discriminator 2))
[  520.725045][ T8954]  ? netdev_name (./include/linux/netdevice.h:5709 (discriminator 1))
[  520.725049][ T8954]  ? __netdev_printk (net/core/dev.c:13148 (discriminator 2))
[  520.725052][ T8954]  ? do_setlink.isra.0 (net/core/rtnetlink.c:3246)
[  520.725054][ T8954]  netdev_info (net/core/dev.c:13195 (discriminator 3))
[  520.725057][ T8954]  ? netdev_notice (net/core/dev.c:13194)
[  520.725060][ T8954]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[  520.725063][ T8954]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554)
[  520.725065][ T8954]  ? mark_held_locks (kernel/locking/lockdep.c:4341)
[  520.725069][ T8954]  ? do_setlink.isra.0 (net/core/rtnetlink.c:3246)
[  520.725071][ T8954]  netif_change_name.cold (net/core/dev.c:1507 (discriminator 3))
[  520.725073][ T8954]  ? register_netdev (net/core/dev.c:11618)
[  520.725074][ T8954]  ? 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))
[  520.725080][ T8954]  ? netdev_adjacent_rename_links (net/core/dev.c:9598)
[  520.725082][ T8954]  ? __kernel_text_address (kernel/extable.c:79)
[  520.725085][ T8954]  ? write_profile (profile.c:?)
[  520.725088][ T8954]  ? __asan_memset (mm/kasan/shadow.c:84 (discriminator 1))
[  520.725094][ T8954]  do_setlink.isra.0 (net/core/rtnetlink.c:3246)
[  520.725098][ T8954]  ? stack_trace_save (kernel/stacktrace.c:122 (discriminator 1))
[  520.725100][ T8954]  ? rtnl_link_get_size (net/core/rtnetlink.c:747)
[  520.725101][ T8954]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:388 kernel/rcu/update.c:380)
[  520.725103][ T8954]  ? stack_depot_save_flags (lib/stackdepot.c:609 (discriminator 2) lib/stackdepot.c:676 (discriminator 2))
[  520.725106][ T8954]  ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4116 (discriminator 3) kernel/rcu/tree.c:4108 (discriminator 3))
[  520.725108][ T8954]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380)
[  520.725109][ T8954]  ? validate_chain (kernel/locking/lockdep.c:3817 (discriminator 2) kernel/locking/lockdep.c:3837 (discriminator 2) kernel/locking/lockdep.c:3892 (discriminator 2))
[  520.725112][ T8954]  ? kasan_save_stack (mm/kasan/common.c:58)
[  520.725114][ T8954]  ? kasan_save_stack (mm/kasan/common.c:57)
[  520.725115][ T8954]  ? kasan_save_track (mm/kasan/common.c:78)
[  520.725116][ T8954]  ? __kasan_kmalloc (mm/kasan/common.c:398 mm/kasan/common.c:415)
[  520.725118][ T8954]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[  520.725120][ T8954]  ? snd_ac97_proc_read_main (sound/pci/ac97/ac97_proc.c:320)
[  520.725123][ T8954]  ? ___sys_sendmsg (net/socket.c:2758)
[  520.725130][ T8954]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2))
[  520.725132][ T8954]  ? rtnl_newlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:366 net/core/rtnetlink.c:4214)
[  520.725135][ T8954]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  520.725137][ T8954]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  520.725138][ T8954]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  520.725139][ T8954]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  520.725141][ T8954]  ? trace_contention_end (./include/trace/events/lock.h:121 (discriminator 22))
[  520.725143][ T8954]  ? __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)
[  520.725144][ T8954]  ? __mutex_lock (kernel/locking/mutex.c:656 (discriminator 1) kernel/locking/mutex.c:821 (discriminator 1))
[  520.725146][ T8954]  ? rtnl_newlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:366 net/core/rtnetlink.c:4214)
[  520.725149][ T8954]  ? ww_mutex_lock (kernel/locking/mutex.c:934)
[  520.725151][ T8954]  ? nla_get_range_signed (lib/nlattr.c:270)
[  520.725156][ T8954]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  520.725158][ T8954]  ? __rtnl_newlink (net/core/rtnetlink.c:4063)
[  520.725163][ T8954]  rtnl_newlink (net/core/rtnetlink.c:4215)
[  520.725168][ T8954]  ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558)
[  520.725170][ T8954]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[  520.725174][ T8954]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2))
[  520.725176][ T8954]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[  520.725178][ T8954]  ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558)
[  520.725180][ T8954]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554)
[  520.725184][ T8954]  ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558)
[  520.725186][ T8954]  rtnetlink_rcv_msg (net/core/rtnetlink.c:7132)
[  520.725189][ T8954]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[  520.725190][ T8954]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[  520.725194][ T8954]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2))
[  520.725196][ T8954]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[  520.725200][ T8954]  netlink_rcv_skb (net/netlink/af_netlink.c:2556)
[  520.725203][ T8954]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[  520.725206][ T8954]  ? netlink_ack (./include/linux/skbuff.h:2718)
[  520.725212][ T8954]  ? 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))
[  520.725214][ T8954]  ? 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))
[  520.725218][ T8954]  netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[  520.725222][ T8954]  ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[  520.725225][ T8954]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[  520.725229][ T8954]  netlink_sendmsg (net/netlink/af_netlink.c:1900)
[  520.725233][ T8954]  ? netlink_unicast (./include/net/net_namespace.h:422 (discriminator 7))
[  520.725237][ T8954]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554)
[  520.725238][ T8954]  ? __import_iovec (lib/iov_iter.c:1358 lib/iov_iter.c:1373)
[  520.725243][ T8954]  __sock_sendmsg (net/socket.c:800 (discriminator 4) net/socket.c:815 (discriminator 4))
[  520.725246][ T8954]  ____sys_sendmsg (net/socket.c:2713)
[  520.725248][ T8954]  ? copy_msghdr_from_user (net/socket.c:2650)
[  520.725251][ T8954]  ? sock_write_iter (net/socket.c:1269)
[  520.725252][ T8954]  ? move_addr_to_kernel (net/socket.c:258)
[  520.725260][ T8954]  ___sys_sendmsg (net/socket.c:2767)
[  520.725262][ T8954]  ? copy_msghdr_from_user (net/socket.c:2619)
[  520.725278][ T8954]  __sys_sendmsg (net/socket.c:2799)
[  520.725281][ T8954]  ? __sys_sendmsg_sock (net/socket.c:2780)
[  520.725287][ T8954]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  520.725290][ T8954]  do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84)
[  520.725293][ T8954]  ? exc_page_fault (arch/x86/mm/fault.c:1489 (discriminator 3) arch/x86/mm/fault.c:1536 (discriminator 3))
[  520.725296][ T8954]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[  520.725298][ T8954] RIP: 0033:0x7fa971d9e54e
[  520.725302][ T8954] 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
[  520.725304][ T8954] RSP: 002b:00007fffae44d030 EFLAGS: 00000202 ORIG_RAX: 000000000000002e
[  520.725306][ T8954] RAX: ffffffffffffffda RBX: 0000000000000005 RCX: 00007fa971d9e54e
[  520.725308][ T8954] RDX: 0000000000000000 RSI: 00007fffae44d0e0 RDI: 0000000000000005
[  520.725309][ T8954] RBP: 00007fffae44d040 R08: 0000000000000000 R09: 0000000000000000
[  520.725309][ T8954] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a9111cc
[  520.725310][ T8954] R13: 00000000004a1620 R14: 0000000000000000 R15: 00007fffae44d7b0
| [  529.394706][ T9097] softirqs last disabled at (31136): netif_change_name (./include/linux/spinlock.h:353 ./include/linux/seqlock.h:908 net/core/dev.c:1499)
| [  529.394708][ T9097] Preemption disabled at:
| [  529.394709][ T9097] vprintk_emit (kernel/printk/printk.c:2471)
| [  529.394717][ T9097] Tainted: [W]=WARN
[  529.394718][ T9097] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[  529.394720][ T9097] Call Trace:
[  529.394721][ T9097]  <TASK>
[  529.394723][ T9097]  dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120)
[  529.394729][ T9097]  ? vprintk_emit (kernel/printk/printk.c:2471)
[  529.394730][ T9097]  __might_resched.cold (kernel/sched/core.c:9234)
[  529.394735][ T9097]  ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3))
[  529.394739][ T9097]  ? __kmalloc_noprof (./include/linux/sched/mm.h:317 mm/slub.c:4636 mm/slub.c:4974 mm/slub.c:5413 mm/slub.c:5439)
[  529.394743][ T9097]  __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))
[  529.394745][ T9097]  ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[  529.394751][ T9097]  ? 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)
[  529.394754][ T9097]  alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[  529.394758][ T9097]  put_chars (drivers/char/virtio_console.c:1176)
[  529.394760][ T9097]  ? __send_to_port (drivers/char/virtio_console.c:654)
[  529.394766][ T9097]  hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2))
[  529.394774][ T9097]  ? hvc_write (drivers/tty/hvc/hvc_console.c:501)
[  529.394777][ T9097]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  529.394781][ T9097]  console_emit_next_record (kernel/printk/printk.c:3183)
[  529.394785][ T9097]  ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20)
[  529.394787][ T9097]  ? 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))
[  529.394790][ T9097]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  529.394793][ T9097]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  529.394797][ T9097]  console_flush_one_record (kernel/printk/printk.c:3268)
[  529.394801][ T9097]  ? console_emit_next_record (kernel/printk/printk.c:3150)
[  529.394803][ T9097]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[  529.394808][ T9097]  console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420)
[  529.394811][ T9097]  ? console_flush_one_record (kernel/printk/printk.c:3316)
[  529.394813][ T9097]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  529.394814][ T9097]  ? 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)
[  529.394818][ T9097]  ? __down_trylock_console_sem (kernel/printk/printk.c:334)
[  529.394820][ T9097]  ? vprintk_emit (kernel/printk/printk.c:2478)
[  529.394822][ T9097]  vprintk_emit (kernel/printk/printk.c:2479)
[  529.394825][ T9097]  ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126))
[  529.394828][ T9097]  ? _mutex_trylock_nest_lock (kernel/locking/mutex.c:1227 (discriminator 6))
[  529.394833][ T9097]  _printk (kernel/printk/printk.c:2504)
[  529.394836][ T9097]  ? snapshot_read.cold (user.c:?)
[  529.394838][ T9097]  ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4116 (discriminator 3) kernel/rcu/tree.c:4108 (discriminator 3))
[  529.394841][ T9097]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380)
[  529.394843][ T9097]  ? validate_chain (kernel/locking/lockdep.c:3817 (discriminator 2) kernel/locking/lockdep.c:3837 (discriminator 2) kernel/locking/lockdep.c:3892 (discriminator 2))
[  529.394845][ T9097]  ? netdev_name (./include/linux/netdevice.h:5709 (discriminator 1))
[  529.394849][ T9097]  ? __netdev_printk (net/core/dev.c:13148 (discriminator 2))
[  529.394851][ T9097]  ? do_setlink.isra.0 (net/core/rtnetlink.c:3246)
[  529.394854][ T9097]  netdev_info (net/core/dev.c:13195 (discriminator 3))
[  529.394856][ T9097]  ? netdev_notice (net/core/dev.c:13194)
[  529.394859][ T9097]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[  529.394862][ T9097]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554)
[  529.394864][ T9097]  ? mark_held_locks (kernel/locking/lockdep.c:4341)
[  529.394868][ T9097]  ? do_setlink.isra.0 (net/core/rtnetlink.c:3246)
[  529.394870][ T9097]  netif_change_name.cold (net/core/dev.c:1507 (discriminator 3))
[  529.394872][ T9097]  ? register_netdev (net/core/dev.c:11618)
[  529.394874][ T9097]  ? 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))
[  529.394879][ T9097]  ? netdev_adjacent_rename_links (net/core/dev.c:9598)
[  529.394881][ T9097]  ? __kernel_text_address (kernel/extable.c:79)
[  529.394884][ T9097]  ? write_profile (profile.c:?)
[  529.394888][ T9097]  ? __asan_memset (mm/kasan/shadow.c:84 (discriminator 1))
[  529.394893][ T9097]  do_setlink.isra.0 (net/core/rtnetlink.c:3246)
[  529.394897][ T9097]  ? stack_trace_save (kernel/stacktrace.c:122 (discriminator 1))
[  529.394899][ T9097]  ? rtnl_link_get_size (net/core/rtnetlink.c:747)
[  529.394900][ T9097]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:388 kernel/rcu/update.c:380)
[  529.394902][ T9097]  ? stack_depot_save_flags (lib/stackdepot.c:609 (discriminator 2) lib/stackdepot.c:676 (discriminator 2))
[  529.394905][ T9097]  ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4116 (discriminator 3) kernel/rcu/tree.c:4108 (discriminator 3))
[  529.394907][ T9097]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380)
[  529.394909][ T9097]  ? validate_chain (kernel/locking/lockdep.c:3817 (discriminator 2) kernel/locking/lockdep.c:3837 (discriminator 2) kernel/locking/lockdep.c:3892 (discriminator 2))
[  529.394911][ T9097]  ? kasan_save_stack (mm/kasan/common.c:58)
[  529.394913][ T9097]  ? kasan_save_stack (mm/kasan/common.c:57)
[  529.394914][ T9097]  ? kasan_save_track (mm/kasan/common.c:78)
[  529.394915][ T9097]  ? __kasan_kmalloc (mm/kasan/common.c:398 mm/kasan/common.c:415)
[  529.394917][ T9097]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[  529.394919][ T9097]  ? snd_ac97_proc_read_main (sound/pci/ac97/ac97_proc.c:320)
[  529.394922][ T9097]  ? ___sys_sendmsg (net/socket.c:2758)
[  529.394926][ T9097]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2))
[  529.394928][ T9097]  ? rtnl_newlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:366 net/core/rtnetlink.c:4214)
[  529.394930][ T9097]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  529.394932][ T9097]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  529.394934][ T9097]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  529.394935][ T9097]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  529.394936][ T9097]  ? trace_contention_end (./include/trace/events/lock.h:121 (discriminator 22))
[  529.394938][ T9097]  ? __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)
[  529.394940][ T9097]  ? __mutex_lock (kernel/locking/mutex.c:656 (discriminator 1) kernel/locking/mutex.c:821 (discriminator 1))
[  529.394941][ T9097]  ? rtnl_newlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:366 net/core/rtnetlink.c:4214)
[  529.394945][ T9097]  ? ww_mutex_lock (kernel/locking/mutex.c:934)
[  529.394946][ T9097]  ? nla_get_range_signed (lib/nlattr.c:270)
[  529.394950][ T9097]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  529.394953][ T9097]  ? __rtnl_newlink (net/core/rtnetlink.c:4063)
[  529.394958][ T9097]  rtnl_newlink (net/core/rtnetlink.c:4215)
[  529.394963][ T9097]  ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558)
[  529.394965][ T9097]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[  529.394969][ T9097]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2))
[  529.394971][ T9097]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[  529.394973][ T9097]  ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558)
[  529.394975][ T9097]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554)
[  529.394978][ T9097]  ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558)
[  529.394980][ T9097]  rtnetlink_rcv_msg (net/core/rtnetlink.c:7132)
[  529.394983][ T9097]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[  529.394984][ T9097]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[  529.394989][ T9097]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2))
[  529.394991][ T9097]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[  529.394994][ T9097]  netlink_rcv_skb (net/netlink/af_netlink.c:2556)
[  529.394997][ T9097]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[  529.395000][ T9097]  ? netlink_ack (./include/linux/skbuff.h:2718)
[  529.395006][ T9097]  ? 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))
[  529.395008][ T9097]  ? 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))
[  529.395012][ T9097]  netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[  529.395016][ T9097]  ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[  529.395019][ T9097]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[  529.395023][ T9097]  netlink_sendmsg (net/netlink/af_netlink.c:1900)
[  529.395027][ T9097]  ? netlink_unicast (./include/net/net_namespace.h:422 (discriminator 7))
[  529.395031][ T9097]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554)
[  529.395032][ T9097]  ? __import_iovec (lib/iov_iter.c:1358 lib/iov_iter.c:1373)
[  529.395037][ T9097]  __sock_sendmsg (net/socket.c:800 (discriminator 4) net/socket.c:815 (discriminator 4))
[  529.395040][ T9097]  ____sys_sendmsg (net/socket.c:2713)
[  529.395042][ T9097]  ? copy_msghdr_from_user (net/socket.c:2650)
[  529.395044][ T9097]  ? sock_write_iter (net/socket.c:1269)
[  529.395046][ T9097]  ? move_addr_to_kernel (net/socket.c:258)
[  529.395053][ T9097]  ___sys_sendmsg (net/socket.c:2767)
[  529.395056][ T9097]  ? copy_msghdr_from_user (net/socket.c:2619)
[  529.395071][ T9097]  __sys_sendmsg (net/socket.c:2799)
[  529.395074][ T9097]  ? __sys_sendmsg_sock (net/socket.c:2780)
[  529.395080][ T9097]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  529.395083][ T9097]  do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84)
[  529.395086][ T9097]  ? exc_page_fault (arch/x86/mm/fault.c:1489 (discriminator 3) arch/x86/mm/fault.c:1536 (discriminator 3))
[  529.395089][ T9097]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[  529.395091][ T9097] RIP: 0033:0x7f9300b7e54e
[  529.395094][ T9097] 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
[  529.395096][ T9097] RSP: 002b:00007ffe13afd150 EFLAGS: 00000202 ORIG_RAX: 000000000000002e
[  529.395099][ T9097] RAX: ffffffffffffffda RBX: 0000000000000005 RCX: 00007f9300b7e54e
[  529.395100][ T9097] RDX: 0000000000000000 RSI: 00007ffe13afd200 RDI: 0000000000000005
[  529.395101][ T9097] RBP: 00007ffe13afd160 R08: 0000000000000000 R09: 0000000000000000
[  529.395102][ T9097] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a9111d4
[  529.395102][ T9097] R13: 00000000004a1620 R14: 0000000000000000 R15: 00007ffe13afd8d0
| [  538.002752][ T9240] softirqs last disabled at (19792): netif_change_name (./include/linux/spinlock.h:353 ./include/linux/seqlock.h:908 net/core/dev.c:1499)
| [  538.002755][ T9240] Preemption disabled at:
| [  538.002755][ T9240] vprintk_emit (kernel/printk/printk.c:2471)
| [  538.002763][ T9240] Tainted: [W]=WARN
[  538.002764][ T9240] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[  538.002766][ T9240] Call Trace:
[  538.002767][ T9240]  <TASK>
[  538.002769][ T9240]  dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120)
[  538.002775][ T9240]  ? vprintk_emit (kernel/printk/printk.c:2471)
[  538.002776][ T9240]  __might_resched.cold (kernel/sched/core.c:9234)
[  538.002781][ T9240]  ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3))
[  538.002785][ T9240]  ? __kmalloc_noprof (./include/linux/sched/mm.h:317 mm/slub.c:4636 mm/slub.c:4974 mm/slub.c:5413 mm/slub.c:5439)
[  538.002789][ T9240]  __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))
[  538.002791][ T9240]  ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[  538.002798][ T9240]  ? 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)
[  538.002801][ T9240]  alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[  538.002805][ T9240]  put_chars (drivers/char/virtio_console.c:1176)
[  538.002807][ T9240]  ? __send_to_port (drivers/char/virtio_console.c:654)
[  538.002813][ T9240]  hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2))
[  538.002821][ T9240]  ? hvc_write (drivers/tty/hvc/hvc_console.c:501)
[  538.002824][ T9240]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  538.002828][ T9240]  console_emit_next_record (kernel/printk/printk.c:3183)
[  538.002832][ T9240]  ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20)
[  538.002834][ T9240]  ? 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))
[  538.002837][ T9240]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  538.002840][ T9240]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  538.002844][ T9240]  console_flush_one_record (kernel/printk/printk.c:3268)
[  538.002848][ T9240]  ? console_emit_next_record (kernel/printk/printk.c:3150)
[  538.002850][ T9240]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[  538.002855][ T9240]  console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420)
[  538.002858][ T9240]  ? console_flush_one_record (kernel/printk/printk.c:3316)
[  538.002860][ T9240]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  538.002862][ T9240]  ? 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)
[  538.002865][ T9240]  ? __down_trylock_console_sem (kernel/printk/printk.c:334)
[  538.002867][ T9240]  ? vprintk_emit (kernel/printk/printk.c:2478)
[  538.002870][ T9240]  vprintk_emit (kernel/printk/printk.c:2479)
[  538.002873][ T9240]  ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126))
[  538.002875][ T9240]  ? _mutex_trylock_nest_lock (kernel/locking/mutex.c:1227 (discriminator 6))
[  538.002880][ T9240]  _printk (kernel/printk/printk.c:2504)
[  538.002884][ T9240]  ? snapshot_read.cold (user.c:?)
[  538.002885][ T9240]  ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4116 (discriminator 3) kernel/rcu/tree.c:4108 (discriminator 3))
[  538.002888][ T9240]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380)
[  538.002891][ T9240]  ? validate_chain (kernel/locking/lockdep.c:3817 (discriminator 2) kernel/locking/lockdep.c:3837 (discriminator 2) kernel/locking/lockdep.c:3892 (discriminator 2))
[  538.002893][ T9240]  ? netdev_name (./include/linux/netdevice.h:5709 (discriminator 1))
[  538.002896][ T9240]  ? __netdev_printk (net/core/dev.c:13148 (discriminator 2))
[  538.002899][ T9240]  ? do_setlink.isra.0 (net/core/rtnetlink.c:3246)
[  538.002902][ T9240]  netdev_info (net/core/dev.c:13195 (discriminator 3))
[  538.002904][ T9240]  ? netdev_notice (net/core/dev.c:13194)
[  538.002907][ T9240]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[  538.002910][ T9240]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554)
[  538.002913][ T9240]  ? mark_held_locks (kernel/locking/lockdep.c:4341)
[  538.002917][ T9240]  ? do_setlink.isra.0 (net/core/rtnetlink.c:3246)
[  538.002919][ T9240]  netif_change_name.cold (net/core/dev.c:1507 (discriminator 3))
[  538.002921][ T9240]  ? register_netdev (net/core/dev.c:11618)
[  538.002922][ T9240]  ? 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))
[  538.002927][ T9240]  ? netdev_adjacent_rename_links (net/core/dev.c:9598)
[  538.002930][ T9240]  ? __kernel_text_address (kernel/extable.c:79)
[  538.002932][ T9240]  ? write_profile (profile.c:?)
[  538.002936][ T9240]  ? __asan_memset (mm/kasan/shadow.c:84 (discriminator 1))
[  538.002942][ T9240]  do_setlink.isra.0 (net/core/rtnetlink.c:3246)
[  538.002945][ T9240]  ? stack_trace_save (kernel/stacktrace.c:122 (discriminator 1))
[  538.002947][ T9240]  ? rtnl_link_get_size (net/core/rtnetlink.c:747)
[  538.002949][ T9240]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:388 kernel/rcu/update.c:380)
[  538.002950][ T9240]  ? stack_depot_save_flags (lib/stackdepot.c:609 (discriminator 2) lib/stackdepot.c:676 (discriminator 2))
[  538.002954][ T9240]  ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4116 (discriminator 3) kernel/rcu/tree.c:4108 (discriminator 3))
[  538.002956][ T9240]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380)
[  538.002957][ T9240]  ? validate_chain (kernel/locking/lockdep.c:3817 (discriminator 2) kernel/locking/lockdep.c:3837 (discriminator 2) kernel/locking/lockdep.c:3892 (discriminator 2))
[  538.002960][ T9240]  ? kasan_save_stack (mm/kasan/common.c:58)
[  538.002962][ T9240]  ? kasan_save_stack (mm/kasan/common.c:57)
[  538.002963][ T9240]  ? kasan_save_track (mm/kasan/common.c:78)
[  538.002964][ T9240]  ? __kasan_kmalloc (mm/kasan/common.c:398 mm/kasan/common.c:415)
[  538.002967][ T9240]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[  538.002969][ T9240]  ? snd_ac97_proc_read_main (sound/pci/ac97/ac97_proc.c:320)
[  538.002971][ T9240]  ? ___sys_sendmsg (net/socket.c:2758)
[  538.002975][ T9240]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2))
[  538.002977][ T9240]  ? rtnl_newlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:366 net/core/rtnetlink.c:4214)
[  538.002980][ T9240]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  538.002982][ T9240]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  538.002983][ T9240]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  538.002984][ T9240]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  538.002986][ T9240]  ? trace_contention_end (./include/trace/events/lock.h:121 (discriminator 22))
[  538.002988][ T9240]  ? __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)
[  538.002989][ T9240]  ? __mutex_lock (kernel/locking/mutex.c:656 (discriminator 1) kernel/locking/mutex.c:821 (discriminator 1))
[  538.002991][ T9240]  ? rtnl_newlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:366 net/core/rtnetlink.c:4214)
[  538.002995][ T9240]  ? ww_mutex_lock (kernel/locking/mutex.c:934)
[  538.002996][ T9240]  ? nla_get_range_signed (lib/nlattr.c:270)
[  538.003001][ T9240]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  538.003003][ T9240]  ? __rtnl_newlink (net/core/rtnetlink.c:4063)
[  538.003008][ T9240]  rtnl_newlink (net/core/rtnetlink.c:4215)
[  538.003013][ T9240]  ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558)
[  538.003015][ T9240]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[  538.003020][ T9240]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2))
[  538.003021][ T9240]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[  538.003023][ T9240]  ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558)
[  538.003025][ T9240]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554)
[  538.003029][ T9240]  ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558)
[  538.003031][ T9240]  rtnetlink_rcv_msg (net/core/rtnetlink.c:7132)
[  538.003034][ T9240]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[  538.003036][ T9240]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[  538.003040][ T9240]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2))
[  538.003042][ T9240]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[  538.003046][ T9240]  netlink_rcv_skb (net/netlink/af_netlink.c:2556)
[  538.003049][ T9240]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[  538.003051][ T9240]  ? netlink_ack (./include/linux/skbuff.h:2718)
[  538.003058][ T9240]  ? 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))
[  538.003060][ T9240]  ? 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))
[  538.003065][ T9240]  netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[  538.003069][ T9240]  ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[  538.003071][ T9240]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[  538.003076][ T9240]  netlink_sendmsg (net/netlink/af_netlink.c:1900)
[  538.003080][ T9240]  ? netlink_unicast (./include/net/net_namespace.h:422 (discriminator 7))
[  538.003083][ T9240]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554)
[  538.003085][ T9240]  ? __import_iovec (lib/iov_iter.c:1358 lib/iov_iter.c:1373)
[  538.003090][ T9240]  __sock_sendmsg (net/socket.c:800 (discriminator 4) net/socket.c:815 (discriminator 4))
[  538.003093][ T9240]  ____sys_sendmsg (net/socket.c:2713)
[  538.003095][ T9240]  ? copy_msghdr_from_user (net/socket.c:2650)
[  538.003098][ T9240]  ? sock_write_iter (net/socket.c:1269)
[  538.003099][ T9240]  ? move_addr_to_kernel (net/socket.c:258)
[  538.003107][ T9240]  ___sys_sendmsg (net/socket.c:2767)
[  538.003109][ T9240]  ? copy_msghdr_from_user (net/socket.c:2619)
[  538.003125][ T9240]  __sys_sendmsg (net/socket.c:2799)
[  538.003132][ T9240]  ? __sys_sendmsg_sock (net/socket.c:2780)
[  538.003138][ T9240]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  538.003141][ T9240]  do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84)
[  538.003144][ T9240]  ? exc_page_fault (arch/x86/mm/fault.c:1489 (discriminator 3) arch/x86/mm/fault.c:1536 (discriminator 3))
[  538.003147][ T9240]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[  538.003149][ T9240] RIP: 0033:0x7f72f363d54e
[  538.003153][ T9240] 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
[  538.003155][ T9240] RSP: 002b:00007ffd56030260 EFLAGS: 00000202 ORIG_RAX: 000000000000002e
[  538.003157][ T9240] RAX: ffffffffffffffda RBX: 0000000000000005 RCX: 00007f72f363d54e
[  538.003159][ T9240] RDX: 0000000000000000 RSI: 00007ffd56030310 RDI: 0000000000000005
[  538.003160][ T9240] RBP: 00007ffd56030270 R08: 0000000000000000 R09: 0000000000000000
[  538.003160][ T9240] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a9111dd
[  538.003161][ T9240] R13: 00000000004a1620 R14: 0000000000000000 R15: 00007ffd560309e0
| [  546.644872][ T9383] softirqs last disabled at (23688): netif_change_name (./include/linux/spinlock.h:353 ./include/linux/seqlock.h:908 net/core/dev.c:1499)
| [  546.644875][ T9383] Preemption disabled at:
| [  546.644875][ T9383] vprintk_emit (kernel/printk/printk.c:2471)
| [  546.644884][ T9383] Tainted: [W]=WARN
[  546.644885][ T9383] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[  546.644886][ T9383] Call Trace:
[  546.644888][ T9383]  <TASK>
[  546.644889][ T9383]  dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120)
[  546.644895][ T9383]  ? vprintk_emit (kernel/printk/printk.c:2471)
[  546.644896][ T9383]  __might_resched.cold (kernel/sched/core.c:9234)
[  546.644901][ T9383]  ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3))
[  546.644905][ T9383]  ? __kmalloc_noprof (./include/linux/sched/mm.h:317 mm/slub.c:4636 mm/slub.c:4974 mm/slub.c:5413 mm/slub.c:5439)
[  546.644909][ T9383]  __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))
[  546.644911][ T9383]  ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[  546.644917][ T9383]  ? 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)
[  546.644920][ T9383]  alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[  546.644923][ T9383]  put_chars (drivers/char/virtio_console.c:1176)
[  546.644926][ T9383]  ? __send_to_port (drivers/char/virtio_console.c:654)
[  546.644932][ T9383]  hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2))
[  546.644939][ T9383]  ? hvc_write (drivers/tty/hvc/hvc_console.c:501)
[  546.644942][ T9383]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  546.644947][ T9383]  console_emit_next_record (kernel/printk/printk.c:3183)
[  546.644951][ T9383]  ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20)
[  546.644953][ T9383]  ? 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))
[  546.644956][ T9383]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  546.644958][ T9383]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  546.644962][ T9383]  console_flush_one_record (kernel/printk/printk.c:3268)
[  546.644967][ T9383]  ? console_emit_next_record (kernel/printk/printk.c:3150)
[  546.644969][ T9383]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[  546.644974][ T9383]  console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420)
[  546.644977][ T9383]  ? console_flush_one_record (kernel/printk/printk.c:3316)
[  546.644978][ T9383]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  546.644980][ T9383]  ? 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)
[  546.644984][ T9383]  ? __down_trylock_console_sem (kernel/printk/printk.c:334)
[  546.644985][ T9383]  ? vprintk_emit (kernel/printk/printk.c:2478)
[  546.644988][ T9383]  vprintk_emit (kernel/printk/printk.c:2479)
[  546.644991][ T9383]  ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126))
[  546.644994][ T9383]  ? _mutex_trylock_nest_lock (kernel/locking/mutex.c:1227 (discriminator 6))
[  546.644999][ T9383]  _printk (kernel/printk/printk.c:2504)
[  546.645002][ T9383]  ? snapshot_read.cold (user.c:?)
[  546.645004][ T9383]  ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4116 (discriminator 3) kernel/rcu/tree.c:4108 (discriminator 3))
[  546.645007][ T9383]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380)
[  546.645009][ T9383]  ? validate_chain (kernel/locking/lockdep.c:3817 (discriminator 2) kernel/locking/lockdep.c:3837 (discriminator 2) kernel/locking/lockdep.c:3892 (discriminator 2))
[  546.645012][ T9383]  ? netdev_name (./include/linux/netdevice.h:5709 (discriminator 1))
[  546.645015][ T9383]  ? __netdev_printk (net/core/dev.c:13148 (discriminator 2))
[  546.645018][ T9383]  ? do_setlink.isra.0 (net/core/rtnetlink.c:3246)
[  546.645020][ T9383]  netdev_info (net/core/dev.c:13195 (discriminator 3))
[  546.645023][ T9383]  ? netdev_notice (net/core/dev.c:13194)
[  546.645026][ T9383]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[  546.645029][ T9383]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554)
[  546.645031][ T9383]  ? mark_held_locks (kernel/locking/lockdep.c:4341)
[  546.645034][ T9383]  ? do_setlink.isra.0 (net/core/rtnetlink.c:3246)
[  546.645036][ T9383]  netif_change_name.cold (net/core/dev.c:1507 (discriminator 3))
[  546.645038][ T9383]  ? register_netdev (net/core/dev.c:11618)
[  546.645040][ T9383]  ? 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))
[  546.645045][ T9383]  ? netdev_adjacent_rename_links (net/core/dev.c:9598)
[  546.645047][ T9383]  ? __kernel_text_address (kernel/extable.c:79)
[  546.645050][ T9383]  ? write_profile (profile.c:?)
[  546.645054][ T9383]  ? __asan_memset (mm/kasan/shadow.c:84 (discriminator 1))
[  546.645059][ T9383]  do_setlink.isra.0 (net/core/rtnetlink.c:3246)
[  546.645063][ T9383]  ? stack_trace_save (kernel/stacktrace.c:122 (discriminator 1))
[  546.645065][ T9383]  ? rtnl_link_get_size (net/core/rtnetlink.c:747)
[  546.645066][ T9383]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:388 kernel/rcu/update.c:380)
[  546.645068][ T9383]  ? stack_depot_save_flags (lib/stackdepot.c:609 (discriminator 2) lib/stackdepot.c:676 (discriminator 2))
[  546.645071][ T9383]  ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4116 (discriminator 3) kernel/rcu/tree.c:4108 (discriminator 3))
[  546.645073][ T9383]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380)
[  546.645074][ T9383]  ? validate_chain (kernel/locking/lockdep.c:3817 (discriminator 2) kernel/locking/lockdep.c:3837 (discriminator 2) kernel/locking/lockdep.c:3892 (discriminator 2))
[  546.645077][ T9383]  ? kasan_save_stack (mm/kasan/common.c:58)
[  546.645078][ T9383]  ? kasan_save_stack (mm/kasan/common.c:57)
[  546.645080][ T9383]  ? kasan_save_track (mm/kasan/common.c:78)
[  546.645081][ T9383]  ? __kasan_kmalloc (mm/kasan/common.c:398 mm/kasan/common.c:415)
[  546.645083][ T9383]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[  546.645085][ T9383]  ? snd_ac97_proc_read_main (sound/pci/ac97/ac97_proc.c:320)
[  546.645088][ T9383]  ? ___sys_sendmsg (net/socket.c:2758)
[  546.645092][ T9383]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2))
[  546.645094][ T9383]  ? rtnl_newlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:366 net/core/rtnetlink.c:4214)
[  546.645096][ T9383]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  546.645098][ T9383]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  546.645099][ T9383]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  546.645101][ T9383]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  546.645102][ T9383]  ? trace_contention_end (./include/trace/events/lock.h:121 (discriminator 22))
[  546.645105][ T9383]  ? __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)
[  546.645106][ T9383]  ? __mutex_lock (kernel/locking/mutex.c:656 (discriminator 1) kernel/locking/mutex.c:821 (discriminator 1))
[  546.645107][ T9383]  ? rtnl_newlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:366 net/core/rtnetlink.c:4214)
[  546.645111][ T9383]  ? ww_mutex_lock (kernel/locking/mutex.c:934)
[  546.645112][ T9383]  ? nla_get_range_signed (lib/nlattr.c:270)
[  546.645117][ T9383]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  546.645119][ T9383]  ? __rtnl_newlink (net/core/rtnetlink.c:4063)
[  546.645124][ T9383]  rtnl_newlink (net/core/rtnetlink.c:4215)
[  546.645132][ T9383]  ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558)
[  546.645134][ T9383]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[  546.645138][ T9383]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2))
[  546.645140][ T9383]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[  546.645142][ T9383]  ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558)
[  546.645144][ T9383]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554)
[  546.645148][ T9383]  ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558)
[  546.645150][ T9383]  rtnetlink_rcv_msg (net/core/rtnetlink.c:7132)
[  546.645153][ T9383]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[  546.645154][ T9383]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[  546.645158][ T9383]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2))
[  546.645160][ T9383]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[  546.645164][ T9383]  netlink_rcv_skb (net/netlink/af_netlink.c:2556)
[  546.645167][ T9383]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[  546.645170][ T9383]  ? netlink_ack (./include/linux/skbuff.h:2718)
[  546.645176][ T9383]  ? 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))
[  546.645178][ T9383]  ? 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))
[  546.645182][ T9383]  netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[  546.645186][ T9383]  ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[  546.645189][ T9383]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[  546.645193][ T9383]  netlink_sendmsg (net/netlink/af_netlink.c:1900)
[  546.645197][ T9383]  ? netlink_unicast (./include/net/net_namespace.h:422 (discriminator 7))
[  546.645200][ T9383]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554)
[  546.645202][ T9383]  ? __import_iovec (lib/iov_iter.c:1358 lib/iov_iter.c:1373)
[  546.645207][ T9383]  __sock_sendmsg (net/socket.c:800 (discriminator 4) net/socket.c:815 (discriminator 4))
[  546.645210][ T9383]  ____sys_sendmsg (net/socket.c:2713)
[  546.645212][ T9383]  ? copy_msghdr_from_user (net/socket.c:2650)
[  546.645214][ T9383]  ? sock_write_iter (net/socket.c:1269)
[  546.645216][ T9383]  ? move_addr_to_kernel (net/socket.c:258)
[  546.645223][ T9383]  ___sys_sendmsg (net/socket.c:2767)
[  546.645226][ T9383]  ? copy_msghdr_from_user (net/socket.c:2619)
[  546.645241][ T9383]  __sys_sendmsg (net/socket.c:2799)
[  546.645244][ T9383]  ? __sys_sendmsg_sock (net/socket.c:2780)
[  546.645250][ T9383]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  546.645253][ T9383]  do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84)
[  546.645256][ T9383]  ? exc_page_fault (arch/x86/mm/fault.c:1489 (discriminator 3) arch/x86/mm/fault.c:1536 (discriminator 3))
[  546.645259][ T9383]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[  546.645261][ T9383] RIP: 0033:0x7f6c351f554e
[  546.645265][ T9383] 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
[  546.645267][ T9383] RSP: 002b:00007ffdf88f18d0 EFLAGS: 00000202 ORIG_RAX: 000000000000002e
[  546.645269][ T9383] RAX: ffffffffffffffda RBX: 0000000000000005 RCX: 00007f6c351f554e
[  546.645271][ T9383] RDX: 0000000000000000 RSI: 00007ffdf88f1980 RDI: 0000000000000005
[  546.645272][ T9383] RBP: 00007ffdf88f18e0 R08: 0000000000000000 R09: 0000000000000000
[  546.645272][ T9383] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a9111e5
[  546.645273][ T9383] R13: 00000000004a1620 R14: 0000000000000000 R15: 00007ffdf88f2050
| [  555.243670][ T9526] softirqs last disabled at (19198): netif_change_name (./include/linux/spinlock.h:353 ./include/linux/seqlock.h:908 net/core/dev.c:1499)
| [  555.243672][ T9526] Preemption disabled at:
| [  555.243673][ T9526] vprintk_emit (kernel/printk/printk.c:2471)
| [  555.243681][ T9526] Tainted: [W]=WARN
[  555.243682][ T9526] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[  555.243684][ T9526] Call Trace:
[  555.243686][ T9526]  <TASK>
[  555.243687][ T9526]  dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120)
[  555.243693][ T9526]  ? vprintk_emit (kernel/printk/printk.c:2471)
[  555.243694][ T9526]  __might_resched.cold (kernel/sched/core.c:9234)
[  555.243699][ T9526]  ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3))
[  555.243703][ T9526]  ? __kmalloc_noprof (./include/linux/sched/mm.h:317 mm/slub.c:4636 mm/slub.c:4974 mm/slub.c:5413 mm/slub.c:5439)
[  555.243707][ T9526]  __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))
[  555.243709][ T9526]  ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[  555.243716][ T9526]  ? 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)
[  555.243718][ T9526]  alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[  555.243722][ T9526]  put_chars (drivers/char/virtio_console.c:1176)
[  555.243724][ T9526]  ? __send_to_port (drivers/char/virtio_console.c:654)
[  555.243730][ T9526]  hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2))
[  555.243738][ T9526]  ? hvc_write (drivers/tty/hvc/hvc_console.c:501)
[  555.243741][ T9526]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  555.243745][ T9526]  console_emit_next_record (kernel/printk/printk.c:3183)
[  555.243749][ T9526]  ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20)
[  555.243751][ T9526]  ? 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))
[  555.243754][ T9526]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  555.243757][ T9526]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  555.243761][ T9526]  console_flush_one_record (kernel/printk/printk.c:3268)
[  555.243765][ T9526]  ? console_emit_next_record (kernel/printk/printk.c:3150)
[  555.243767][ T9526]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[  555.243772][ T9526]  console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420)
[  555.243775][ T9526]  ? console_flush_one_record (kernel/printk/printk.c:3316)
[  555.243777][ T9526]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  555.243778][ T9526]  ? 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)
[  555.243782][ T9526]  ? __down_trylock_console_sem (kernel/printk/printk.c:334)
[  555.243784][ T9526]  ? vprintk_emit (kernel/printk/printk.c:2478)
[  555.243786][ T9526]  vprintk_emit (kernel/printk/printk.c:2479)
[  555.243789][ T9526]  ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126))
[  555.243792][ T9526]  ? _mutex_trylock_nest_lock (kernel/locking/mutex.c:1227 (discriminator 6))
[  555.243797][ T9526]  _printk (kernel/printk/printk.c:2504)
[  555.243800][ T9526]  ? snapshot_read.cold (user.c:?)
[  555.243802][ T9526]  ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4116 (discriminator 3) kernel/rcu/tree.c:4108 (discriminator 3))
[  555.243805][ T9526]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380)
[  555.243808][ T9526]  ? validate_chain (kernel/locking/lockdep.c:3817 (discriminator 2) kernel/locking/lockdep.c:3837 (discriminator 2) kernel/locking/lockdep.c:3892 (discriminator 2))
[  555.243810][ T9526]  ? netdev_name (./include/linux/netdevice.h:5709 (discriminator 1))
[  555.243813][ T9526]  ? __netdev_printk (net/core/dev.c:13148 (discriminator 2))
[  555.243816][ T9526]  ? do_setlink.isra.0 (net/core/rtnetlink.c:3246)
[  555.243818][ T9526]  netdev_info (net/core/dev.c:13195 (discriminator 3))
[  555.243821][ T9526]  ? netdev_notice (net/core/dev.c:13194)
[  555.243824][ T9526]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[  555.243827][ T9526]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554)
[  555.243829][ T9526]  ? mark_held_locks (kernel/locking/lockdep.c:4341)
[  555.243833][ T9526]  ? do_setlink.isra.0 (net/core/rtnetlink.c:3246)
[  555.243835][ T9526]  netif_change_name.cold (net/core/dev.c:1507 (discriminator 3))
[  555.243837][ T9526]  ? register_netdev (net/core/dev.c:11618)
[  555.243838][ T9526]  ? 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))
[  555.243843][ T9526]  ? netdev_adjacent_rename_links (net/core/dev.c:9598)
[  555.243846][ T9526]  ? __kernel_text_address (kernel/extable.c:79)
[  555.243848][ T9526]  ? write_profile (profile.c:?)
[  555.243852][ T9526]  ? __asan_memset (mm/kasan/shadow.c:84 (discriminator 1))
[  555.243858][ T9526]  do_setlink.isra.0 (net/core/rtnetlink.c:3246)
[  555.243861][ T9526]  ? stack_trace_save (kernel/stacktrace.c:122 (discriminator 1))
[  555.243863][ T9526]  ? rtnl_link_get_size (net/core/rtnetlink.c:747)
[  555.243864][ T9526]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:388 kernel/rcu/update.c:380)
[  555.243866][ T9526]  ? stack_depot_save_flags (lib/stackdepot.c:609 (discriminator 2) lib/stackdepot.c:676 (discriminator 2))
[  555.243870][ T9526]  ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4116 (discriminator 3) kernel/rcu/tree.c:4108 (discriminator 3))
[  555.243872][ T9526]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380)
[  555.243873][ T9526]  ? validate_chain (kernel/locking/lockdep.c:3817 (discriminator 2) kernel/locking/lockdep.c:3837 (discriminator 2) kernel/locking/lockdep.c:3892 (discriminator 2))
[  555.243876][ T9526]  ? kasan_save_stack (mm/kasan/common.c:58)
[  555.243878][ T9526]  ? kasan_save_stack (mm/kasan/common.c:57)
[  555.243879][ T9526]  ? kasan_save_track (mm/kasan/common.c:78)
[  555.243880][ T9526]  ? __kasan_kmalloc (mm/kasan/common.c:398 mm/kasan/common.c:415)
[  555.243882][ T9526]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[  555.243884][ T9526]  ? snd_ac97_proc_read_main (sound/pci/ac97/ac97_proc.c:320)
[  555.243887][ T9526]  ? ___sys_sendmsg (net/socket.c:2758)
[  555.243891][ T9526]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2))
[  555.243893][ T9526]  ? rtnl_newlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:366 net/core/rtnetlink.c:4214)
[  555.243896][ T9526]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  555.243897][ T9526]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  555.243899][ T9526]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  555.243900][ T9526]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  555.243902][ T9526]  ? trace_contention_end (./include/trace/events/lock.h:121 (discriminator 22))
[  555.243904][ T9526]  ? __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)
[  555.243905][ T9526]  ? __mutex_lock (kernel/locking/mutex.c:656 (discriminator 1) kernel/locking/mutex.c:821 (discriminator 1))
[  555.243907][ T9526]  ? rtnl_newlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:366 net/core/rtnetlink.c:4214)
[  555.243910][ T9526]  ? ww_mutex_lock (kernel/locking/mutex.c:934)
[  555.243911][ T9526]  ? nla_get_range_signed (lib/nlattr.c:270)
[  555.243916][ T9526]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  555.243918][ T9526]  ? __rtnl_newlink (net/core/rtnetlink.c:4063)
[  555.243923][ T9526]  rtnl_newlink (net/core/rtnetlink.c:4215)
[  555.243928][ T9526]  ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558)
[  555.243930][ T9526]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[  555.243935][ T9526]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2))
[  555.243937][ T9526]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[  555.243939][ T9526]  ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558)
[  555.243940][ T9526]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554)
[  555.243944][ T9526]  ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558)
[  555.243946][ T9526]  rtnetlink_rcv_msg (net/core/rtnetlink.c:7132)
[  555.243949][ T9526]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[  555.243950][ T9526]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[  555.243955][ T9526]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2))
[  555.243957][ T9526]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[  555.243960][ T9526]  netlink_rcv_skb (net/netlink/af_netlink.c:2556)
[  555.243963][ T9526]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[  555.243966][ T9526]  ? netlink_ack (./include/linux/skbuff.h:2718)
[  555.243972][ T9526]  ? 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))
[  555.243974][ T9526]  ? 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))
[  555.243978][ T9526]  netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[  555.243982][ T9526]  ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[  555.243985][ T9526]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[  555.243989][ T9526]  netlink_sendmsg (net/netlink/af_netlink.c:1900)
[  555.243993][ T9526]  ? netlink_unicast (./include/net/net_namespace.h:422 (discriminator 7))
[  555.243997][ T9526]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554)
[  555.243998][ T9526]  ? __import_iovec (lib/iov_iter.c:1358 lib/iov_iter.c:1373)
[  555.244003][ T9526]  __sock_sendmsg (net/socket.c:800 (discriminator 4) net/socket.c:815 (discriminator 4))
[  555.244006][ T9526]  ____sys_sendmsg (net/socket.c:2713)
[  555.244008][ T9526]  ? copy_msghdr_from_user (net/socket.c:2650)
[  555.244010][ T9526]  ? sock_write_iter (net/socket.c:1269)
[  555.244012][ T9526]  ? move_addr_to_kernel (net/socket.c:258)
[  555.244019][ T9526]  ___sys_sendmsg (net/socket.c:2767)
[  555.244022][ T9526]  ? copy_msghdr_from_user (net/socket.c:2619)
[  555.244037][ T9526]  __sys_sendmsg (net/socket.c:2799)
[  555.244040][ T9526]  ? __sys_sendmsg_sock (net/socket.c:2780)
[  555.244046][ T9526]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  555.244049][ T9526]  do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84)
[  555.244052][ T9526]  ? exc_page_fault (arch/x86/mm/fault.c:1489 (discriminator 3) arch/x86/mm/fault.c:1536 (discriminator 3))
[  555.244055][ T9526]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[  555.244057][ T9526] RIP: 0033:0x7f9f27fbb54e
[  555.244060][ T9526] 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
[  555.244062][ T9526] RSP: 002b:00007fff02627a60 EFLAGS: 00000202 ORIG_RAX: 000000000000002e
[  555.244065][ T9526] RAX: ffffffffffffffda RBX: 0000000000000005 RCX: 00007f9f27fbb54e
[  555.244066][ T9526] RDX: 0000000000000000 RSI: 00007fff02627b10 RDI: 0000000000000005
[  555.244067][ T9526] RBP: 00007fff02627a70 R08: 0000000000000000 R09: 0000000000000000
[  555.244068][ T9526] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a9111ee
[  555.244069][ T9526] R13: 00000000004a1620 R14: 0000000000000000 R15: 00007fff026281e0
| [  563.867748][ T9669] softirqs last disabled at (24788): netif_change_name (./include/linux/spinlock.h:353 ./include/linux/seqlock.h:908 net/core/dev.c:1499)
| [  563.867750][ T9669] Preemption disabled at:
| [  563.867751][ T9669] vprintk_emit (kernel/printk/printk.c:2471)
| [  563.867759][ T9669] Tainted: [W]=WARN
[  563.867761][ T9669] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[  563.867762][ T9669] Call Trace:
[  563.867764][ T9669]  <TASK>
[  563.867765][ T9669]  dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120)
[  563.867771][ T9669]  ? vprintk_emit (kernel/printk/printk.c:2471)
[  563.867773][ T9669]  __might_resched.cold (kernel/sched/core.c:9234)
[  563.867777][ T9669]  ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3))
[  563.867781][ T9669]  ? __kmalloc_noprof (./include/linux/sched/mm.h:317 mm/slub.c:4636 mm/slub.c:4974 mm/slub.c:5413 mm/slub.c:5439)
[  563.867786][ T9669]  __kmalloc_noprof (./include/linux/sched/mm.h:322 (discriminator 2) mm/slub.c:4636 (discriminator 2) mm/slub.c:4974 (discriminator 2) mm/slub.c:5413 (discriminator 2) mm/slub.c:5439 (discriminator 2))
[  563.867787][ T9669]  ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[  563.867794][ T9669]  ? do_raw_spin_unlock (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:32 ./include/asm-generic/qspinlock.h:58 kernel/locking/spinlock_debug.c:101 kernel/locking/spinlock_debug.c:141)
[  563.867797][ T9669]  alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[  563.867801][ T9669]  put_chars (drivers/char/virtio_console.c:1176)
[  563.867803][ T9669]  ? __send_to_port (drivers/char/virtio_console.c:654)
[  563.867809][ T9669]  hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2))
[  563.867817][ T9669]  ? hvc_write (drivers/tty/hvc/hvc_console.c:501)
[  563.867820][ T9669]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  563.867824][ T9669]  console_emit_next_record (kernel/printk/printk.c:3183)
[  563.867828][ T9669]  ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20)
[  563.867830][ T9669]  ? console_flush_one_record (./include/linux/rcupdate.h:314 (discriminator 2) ./include/linux/srcu.h:439 (discriminator 2) kernel/printk/printk.c:291 (discriminator 2) kernel/printk/printk.c:3246 (discriminator 2))
[  563.867833][ T9669]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  563.867836][ T9669]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  563.867839][ T9669]  console_flush_one_record (kernel/printk/printk.c:3268)
[  563.867844][ T9669]  ? console_emit_next_record (kernel/printk/printk.c:3150)
[  563.867846][ T9669]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[  563.867851][ T9669]  console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420)
[  563.867854][ T9669]  ? console_flush_one_record (kernel/printk/printk.c:3316)
[  563.867855][ T9669]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  563.867857][ T9669]  ? lock_acquire (./include/linux/srcutree.h:374 ./include/linux/srcu.h:541 ./include/linux/srcu.h:645 ./include/trace/events/lock.h:23 ./include/trace/events/lock.h:23 kernel/locking/lockdep.c:5871)
[  563.867861][ T9669]  ? __down_trylock_console_sem (kernel/printk/printk.c:334)
[  563.867862][ T9669]  ? vprintk_emit (kernel/printk/printk.c:2478)
[  563.867865][ T9669]  vprintk_emit (kernel/printk/printk.c:2479)
[  563.867868][ T9669]  ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126))
[  563.867871][ T9669]  ? _mutex_trylock_nest_lock (kernel/locking/mutex.c:1227 (discriminator 6))
[  563.867876][ T9669]  _printk (kernel/printk/printk.c:2504)
[  563.867879][ T9669]  ? snapshot_read.cold (user.c:?)
[  563.867881][ T9669]  ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4116 (discriminator 3) kernel/rcu/tree.c:4108 (discriminator 3))
[  563.867884][ T9669]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380)
[  563.867886][ T9669]  ? validate_chain (kernel/locking/lockdep.c:3817 (discriminator 2) kernel/locking/lockdep.c:3837 (discriminator 2) kernel/locking/lockdep.c:3892 (discriminator 2))
[  563.867888][ T9669]  ? netdev_name (./include/linux/netdevice.h:5709 (discriminator 1))
[  563.867892][ T9669]  ? __netdev_printk (net/core/dev.c:13148 (discriminator 2))
[  563.867895][ T9669]  ? do_setlink.isra.0 (net/core/rtnetlink.c:3246)
[  563.867897][ T9669]  netdev_info (net/core/dev.c:13195 (discriminator 3))
[  563.867900][ T9669]  ? netdev_notice (net/core/dev.c:13194)
[  563.867903][ T9669]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[  563.867906][ T9669]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554)
[  563.867908][ T9669]  ? mark_held_locks (kernel/locking/lockdep.c:4341)
[  563.867912][ T9669]  ? do_setlink.isra.0 (net/core/rtnetlink.c:3246)
[  563.867914][ T9669]  netif_change_name.cold (net/core/dev.c:1507 (discriminator 3))
[  563.867916][ T9669]  ? register_netdev (net/core/dev.c:11618)
[  563.867917][ T9669]  ? is_bpf_text_address (./include/linux/rcupdate.h:319 (discriminator 2) ./include/linux/rcupdate.h:880 (discriminator 2) kernel/bpf/core.c:751 (discriminator 2))
[  563.867922][ T9669]  ? netdev_adjacent_rename_links (net/core/dev.c:9598)
[  563.867925][ T9669]  ? __kernel_text_address (kernel/extable.c:79)
[  563.867927][ T9669]  ? write_profile (profile.c:?)
[  563.867931][ T9669]  ? __asan_memset (mm/kasan/shadow.c:84 (discriminator 1))
[  563.867937][ T9669]  do_setlink.isra.0 (net/core/rtnetlink.c:3246)
[  563.867940][ T9669]  ? stack_trace_save (kernel/stacktrace.c:122 (discriminator 1))
[  563.867942][ T9669]  ? rtnl_link_get_size (net/core/rtnetlink.c:747)
[  563.867944][ T9669]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:388 kernel/rcu/update.c:380)
[  563.867945][ T9669]  ? stack_depot_save_flags (lib/stackdepot.c:609 (discriminator 2) lib/stackdepot.c:676 (discriminator 2))
[  563.867949][ T9669]  ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4116 (discriminator 3) kernel/rcu/tree.c:4108 (discriminator 3))
[  563.867950][ T9669]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380)
[  563.867952][ T9669]  ? validate_chain (kernel/locking/lockdep.c:3817 (discriminator 2) kernel/locking/lockdep.c:3837 (discriminator 2) kernel/locking/lockdep.c:3892 (discriminator 2))
[  563.867955][ T9669]  ? kasan_save_stack (mm/kasan/common.c:58)
[  563.867956][ T9669]  ? kasan_save_stack (mm/kasan/common.c:57)
[  563.867958][ T9669]  ? kasan_save_track (mm/kasan/common.c:78)
[  563.867959][ T9669]  ? __kasan_kmalloc (mm/kasan/common.c:398 mm/kasan/common.c:415)
[  563.867961][ T9669]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[  563.867963][ T9669]  ? snd_ac97_proc_read_main (sound/pci/ac97/ac97_proc.c:320)
[  563.867966][ T9669]  ? ___sys_sendmsg (net/socket.c:2758)
[  563.867970][ T9669]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2))
[  563.867972][ T9669]  ? rtnl_newlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:366 net/core/rtnetlink.c:4214)
[  563.867975][ T9669]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  563.867976][ T9669]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  563.867978][ T9669]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  563.867979][ T9669]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  563.867981][ T9669]  ? trace_contention_end (./include/trace/events/lock.h:121 (discriminator 22))
[  563.867983][ T9669]  ? __mutex_lock (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:3188 kernel/locking/mutex.c:89 kernel/locking/mutex.c:134 kernel/locking/mutex.c:649 kernel/locking/mutex.c:821)
[  563.867984][ T9669]  ? __mutex_lock (kernel/locking/mutex.c:656 (discriminator 1) kernel/locking/mutex.c:821 (discriminator 1))
[  563.867986][ T9669]  ? rtnl_newlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:366 net/core/rtnetlink.c:4214)
[  563.867989][ T9669]  ? ww_mutex_lock (kernel/locking/mutex.c:934)
[  563.867990][ T9669]  ? nla_get_range_signed (lib/nlattr.c:270)
[  563.867995][ T9669]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  563.867997][ T9669]  ? __rtnl_newlink (net/core/rtnetlink.c:4063)
[  563.868002][ T9669]  rtnl_newlink (net/core/rtnetlink.c:4215)
[  563.868007][ T9669]  ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558)
[  563.868009][ T9669]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[  563.868013][ T9669]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2))
[  563.868015][ T9669]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[  563.868017][ T9669]  ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558)
[  563.868019][ T9669]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554)
[  563.868023][ T9669]  ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558)
[  563.868025][ T9669]  rtnetlink_rcv_msg (net/core/rtnetlink.c:7132)
[  563.868028][ T9669]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[  563.868029][ T9669]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[  563.868033][ T9669]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2))
[  563.868035][ T9669]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[  563.868038][ T9669]  netlink_rcv_skb (net/netlink/af_netlink.c:2556)
[  563.868042][ T9669]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[  563.868044][ T9669]  ? netlink_ack (./include/linux/skbuff.h:2718)
[  563.868051][ T9669]  ? netlink_deliver_tap (./include/linux/rcupdate.h:319 (discriminator 2) ./include/linux/rcupdate.h:880 (discriminator 2) ./include/net/netns/generic.h:48 (discriminator 2) net/netlink/af_netlink.c:334 (discriminator 2))
[  563.868053][ T9669]  ? netlink_deliver_tap (./include/linux/rcupdate.h:319 (discriminator 2) ./include/linux/rcupdate.h:880 (discriminator 2) net/netlink/af_netlink.c:341 (discriminator 2))
[  563.868057][ T9669]  netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[  563.868061][ T9669]  ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[  563.868064][ T9669]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[  563.868068][ T9669]  netlink_sendmsg (net/netlink/af_netlink.c:1900)
[  563.868072][ T9669]  ? netlink_unicast (./include/net/net_namespace.h:422 (discriminator 7))
[  563.868075][ T9669]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554)
[  563.868077][ T9669]  ? __import_iovec (lib/iov_iter.c:1358 lib/iov_iter.c:1373)
[  563.868082][ T9669]  __sock_sendmsg (net/socket.c:800 (discriminator 4) net/socket.c:815 (discriminator 4))
[  563.868085][ T9669]  ____sys_sendmsg (net/socket.c:2713)
[  563.868087][ T9669]  ? copy_msghdr_from_user (net/socket.c:2650)
[  563.868089][ T9669]  ? sock_write_iter (net/socket.c:1269)
[  563.868091][ T9669]  ? move_addr_to_kernel (net/socket.c:258)
[  563.868098][ T9669]  ___sys_sendmsg (net/socket.c:2767)
[  563.868101][ T9669]  ? copy_msghdr_from_user (net/socket.c:2619)
[  563.868116][ T9669]  __sys_sendmsg (net/socket.c:2799)
[  563.868119][ T9669]  ? __sys_sendmsg_sock (net/socket.c:2780)
[  563.868125][ T9669]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  563.868131][ T9669]  do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84)
[  563.868134][ T9669]  ? exc_page_fault (arch/x86/mm/fault.c:1489 (discriminator 3) arch/x86/mm/fault.c:1536 (discriminator 3))
[  563.868137][ T9669]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[  563.868139][ T9669] RIP: 0033:0x7fe22e54054e
[  563.868143][ T9669] Code: 4d 89 d8 e8 b4 bd 00 00 4c 8b 5d f8 41 8b 93 08 03 00 00 59 5e 48 83 f8 fc 74 11 c9 c3 0f 1f 80 00 00 00 00 48 8b 45 10 0f 05 <c9> c3 83 e2 39 83 fa 08 75 e7 e8 03 ff ff ff 0f 1f 00 f3 0f 1e fa
All code
========
   0:	4d 89 d8             	mov    %r11,%r8
   3:	e8 b4 bd 00 00       	call   0xbdbc
   8:	4c 8b 5d f8          	mov    -0x8(%rbp),%r11
   c:	41 8b 93 08 03 00 00 	mov    0x308(%r11),%edx
  13:	59                   	pop    %rcx
  14:	5e                   	pop    %rsi
  15:	48 83 f8 fc          	cmp    $0xfffffffffffffffc,%rax
  19:	74 11                	je     0x2c
  1b:	c9                   	leave
  1c:	c3                   	ret
  1d:	0f 1f 80 00 00 00 00 	nopl   0x0(%rax)
  24:	48 8b 45 10          	mov    0x10(%rbp),%rax
  28:	0f 05                	syscall
  2a:*	c9                   	leave		<-- trapping instruction
  2b:	c3                   	ret
  2c:	83 e2 39             	and    $0x39,%edx
  2f:	83 fa 08             	cmp    $0x8,%edx
  32:	75 e7                	jne    0x1b
  34:	e8 03 ff ff ff       	call   0xffffffffffffff3c
  39:	0f 1f 00             	nopl   (%rax)
  3c:	f3 0f 1e fa          	endbr64

Code starting with the faulting instruction
===========================================
   0:	c9                   	leave
   1:	c3                   	ret
   2:	83 e2 39             	and    $0x39,%edx
   5:	83 fa 08             	cmp    $0x8,%edx
   8:	75 e7                	jne    0xfffffffffffffff1
   a:	e8 03 ff ff ff       	call   0xffffffffffffff12
   f:	0f 1f 00             	nopl   (%rax)
  12:	f3 0f 1e fa          	endbr64
[  563.868145][ T9669] RSP: 002b:00007ffdc7dc6340 EFLAGS: 00000202 ORIG_RAX: 000000000000002e
[  563.868147][ T9669] RAX: ffffffffffffffda RBX: 0000000000000005 RCX: 00007fe22e54054e
[  563.868149][ T9669] RDX: 0000000000000000 RSI: 00007ffdc7dc63f0 RDI: 0000000000000005
[  563.868149][ T9669] RBP: 00007ffdc7dc6350 R08: 0000000000000000 R09: 0000000000000000
[  563.868150][ T9669] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a9111f7
[  563.868151][ T9669] R13: 00000000004a1620 R14: 0000000000000000 R15: 00007ffdc7dc6ac0
| [  572.468742][ T9812] softirqs last disabled at (21714): netif_change_name (./include/linux/spinlock.h:353 ./include/linux/seqlock.h:908 net/core/dev.c:1499)
| [  572.468745][ T9812] Preemption disabled at:
| [  572.468746][ T9812] vprintk_emit (kernel/printk/printk.c:2471)
| [  572.468754][ T9812] Tainted: [W]=WARN
[  572.468755][ T9812] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[  572.468757][ T9812] Call Trace:
[  572.468758][ T9812]  <TASK>
[  572.468760][ T9812]  dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120)
[  572.468766][ T9812]  ? vprintk_emit (kernel/printk/printk.c:2471)
[  572.468767][ T9812]  __might_resched.cold (kernel/sched/core.c:9234)
[  572.468772][ T9812]  ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3))
[  572.468776][ T9812]  ? __kmalloc_noprof (./include/linux/sched/mm.h:317 mm/slub.c:4636 mm/slub.c:4974 mm/slub.c:5413 mm/slub.c:5439)
[  572.468780][ T9812]  __kmalloc_noprof (./include/linux/sched/mm.h:322 (discriminator 2) mm/slub.c:4636 (discriminator 2) mm/slub.c:4974 (discriminator 2) mm/slub.c:5413 (discriminator 2) mm/slub.c:5439 (discriminator 2))
[  572.468782][ T9812]  ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[  572.468789][ T9812]  ? do_raw_spin_unlock (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:32 ./include/asm-generic/qspinlock.h:58 kernel/locking/spinlock_debug.c:101 kernel/locking/spinlock_debug.c:141)
[  572.468791][ T9812]  alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[  572.468795][ T9812]  put_chars (drivers/char/virtio_console.c:1176)
[  572.468798][ T9812]  ? __send_to_port (drivers/char/virtio_console.c:654)
[  572.468804][ T9812]  hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2))
[  572.468812][ T9812]  ? hvc_write (drivers/tty/hvc/hvc_console.c:501)
[  572.468815][ T9812]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  572.468819][ T9812]  console_emit_next_record (kernel/printk/printk.c:3183)
[  572.468823][ T9812]  ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20)
[  572.468825][ T9812]  ? console_flush_one_record (./include/linux/rcupdate.h:314 (discriminator 2) ./include/linux/srcu.h:439 (discriminator 2) kernel/printk/printk.c:291 (discriminator 2) kernel/printk/printk.c:3246 (discriminator 2))
[  572.468828][ T9812]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  572.468831][ T9812]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  572.468835][ T9812]  console_flush_one_record (kernel/printk/printk.c:3268)
[  572.468839][ T9812]  ? console_emit_next_record (kernel/printk/printk.c:3150)
[  572.468841][ T9812]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[  572.468846][ T9812]  console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420)
[  572.468849][ T9812]  ? console_flush_one_record (kernel/printk/printk.c:3316)
[  572.468851][ T9812]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  572.468852][ T9812]  ? lock_acquire (./include/linux/srcutree.h:374 ./include/linux/srcu.h:541 ./include/linux/srcu.h:645 ./include/trace/events/lock.h:23 ./include/trace/events/lock.h:23 kernel/locking/lockdep.c:5871)
[  572.468856][ T9812]  ? __down_trylock_console_sem (kernel/printk/printk.c:334)
[  572.468858][ T9812]  ? vprintk_emit (kernel/printk/printk.c:2478)
[  572.468860][ T9812]  vprintk_emit (kernel/printk/printk.c:2479)
[  572.468863][ T9812]  ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126))
[  572.468866][ T9812]  ? _mutex_trylock_nest_lock (kernel/locking/mutex.c:1227 (discriminator 6))
[  572.468871][ T9812]  _printk (kernel/printk/printk.c:2504)
[  572.468874][ T9812]  ? snapshot_read.cold (user.c:?)
[  572.468876][ T9812]  ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4116 (discriminator 3) kernel/rcu/tree.c:4108 (discriminator 3))
[  572.468879][ T9812]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380)
[  572.468881][ T9812]  ? validate_chain (kernel/locking/lockdep.c:3817 (discriminator 2) kernel/locking/lockdep.c:3837 (discriminator 2) kernel/locking/lockdep.c:3892 (discriminator 2))
[  572.468883][ T9812]  ? netdev_name (./include/linux/netdevice.h:5709 (discriminator 1))
[  572.468887][ T9812]  ? __netdev_printk (net/core/dev.c:13148 (discriminator 2))
[  572.468890][ T9812]  ? do_setlink.isra.0 (net/core/rtnetlink.c:3246)
[  572.468892][ T9812]  netdev_info (net/core/dev.c:13195 (discriminator 3))
[  572.468894][ T9812]  ? netdev_notice (net/core/dev.c:13194)
[  572.468897][ T9812]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[  572.468900][ T9812]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554)
[  572.468903][ T9812]  ? mark_held_locks (kernel/locking/lockdep.c:4341)
[  572.468906][ T9812]  ? do_setlink.isra.0 (net/core/rtnetlink.c:3246)
[  572.468908][ T9812]  netif_change_name.cold (net/core/dev.c:1507 (discriminator 3))
[  572.468910][ T9812]  ? register_netdev (net/core/dev.c:11618)
[  572.468912][ T9812]  ? is_bpf_text_address (./include/linux/rcupdate.h:319 (discriminator 2) ./include/linux/rcupdate.h:880 (discriminator 2) kernel/bpf/core.c:751 (discriminator 2))
[  572.468917][ T9812]  ? netdev_adjacent_rename_links (net/core/dev.c:9598)
[  572.468919][ T9812]  ? __kernel_text_address (kernel/extable.c:79)
[  572.468922][ T9812]  ? write_profile (profile.c:?)
[  572.468926][ T9812]  ? __asan_memset (mm/kasan/shadow.c:84 (discriminator 1))
[  572.468931][ T9812]  do_setlink.isra.0 (net/core/rtnetlink.c:3246)
[  572.468935][ T9812]  ? stack_trace_save (kernel/stacktrace.c:122 (discriminator 1))
[  572.468937][ T9812]  ? rtnl_link_get_size (net/core/rtnetlink.c:747)
[  572.468938][ T9812]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:388 kernel/rcu/update.c:380)
[  572.468940][ T9812]  ? stack_depot_save_flags (lib/stackdepot.c:609 (discriminator 2) lib/stackdepot.c:676 (discriminator 2))
[  572.468943][ T9812]  ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4116 (discriminator 3) kernel/rcu/tree.c:4108 (discriminator 3))
[  572.468945][ T9812]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380)
[  572.468947][ T9812]  ? validate_chain (kernel/locking/lockdep.c:3817 (discriminator 2) kernel/locking/lockdep.c:3837 (discriminator 2) kernel/locking/lockdep.c:3892 (discriminator 2))
[  572.468949][ T9812]  ? kasan_save_stack (mm/kasan/common.c:58)
[  572.468951][ T9812]  ? kasan_save_stack (mm/kasan/common.c:57)
[  572.468952][ T9812]  ? kasan_save_track (mm/kasan/common.c:78)
[  572.468953][ T9812]  ? __kasan_kmalloc (mm/kasan/common.c:398 mm/kasan/common.c:415)
[  572.468955][ T9812]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[  572.468957][ T9812]  ? snd_ac97_proc_read_main (sound/pci/ac97/ac97_proc.c:320)
[  572.468960][ T9812]  ? ___sys_sendmsg (net/socket.c:2758)
[  572.468964][ T9812]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2))
[  572.468966][ T9812]  ? rtnl_newlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:366 net/core/rtnetlink.c:4214)
[  572.468969][ T9812]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  572.468970][ T9812]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  572.468972][ T9812]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  572.468973][ T9812]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  572.468975][ T9812]  ? trace_contention_end (./include/trace/events/lock.h:121 (discriminator 22))
[  572.468977][ T9812]  ? __mutex_lock (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:3188 kernel/locking/mutex.c:89 kernel/locking/mutex.c:134 kernel/locking/mutex.c:649 kernel/locking/mutex.c:821)
[  572.468978][ T9812]  ? __mutex_lock (kernel/locking/mutex.c:656 (discriminator 1) kernel/locking/mutex.c:821 (discriminator 1))
[  572.468980][ T9812]  ? rtnl_newlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:366 net/core/rtnetlink.c:4214)
[  572.468983][ T9812]  ? ww_mutex_lock (kernel/locking/mutex.c:934)
[  572.468984][ T9812]  ? nla_get_range_signed (lib/nlattr.c:270)
[  572.468989][ T9812]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  572.468991][ T9812]  ? __rtnl_newlink (net/core/rtnetlink.c:4063)
[  572.468996][ T9812]  rtnl_newlink (net/core/rtnetlink.c:4215)
[  572.469002][ T9812]  ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558)
[  572.469003][ T9812]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[  572.469008][ T9812]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2))
[  572.469010][ T9812]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[  572.469012][ T9812]  ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558)
[  572.469013][ T9812]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554)
[  572.469017][ T9812]  ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558)
[  572.469019][ T9812]  rtnetlink_rcv_msg (net/core/rtnetlink.c:7132)
[  572.469022][ T9812]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[  572.469024][ T9812]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[  572.469028][ T9812]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2))
[  572.469030][ T9812]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[  572.469034][ T9812]  netlink_rcv_skb (net/netlink/af_netlink.c:2556)
[  572.469037][ T9812]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[  572.469039][ T9812]  ? netlink_ack (./include/linux/skbuff.h:2718)
[  572.469046][ T9812]  ? netlink_deliver_tap (./include/linux/rcupdate.h:319 (discriminator 2) ./include/linux/rcupdate.h:880 (discriminator 2) ./include/net/netns/generic.h:48 (discriminator 2) net/netlink/af_netlink.c:334 (discriminator 2))
[  572.469048][ T9812]  ? netlink_deliver_tap (./include/linux/rcupdate.h:319 (discriminator 2) ./include/linux/rcupdate.h:880 (discriminator 2) net/netlink/af_netlink.c:341 (discriminator 2))
[  572.469052][ T9812]  netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[  572.469056][ T9812]  ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[  572.469059][ T9812]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[  572.469063][ T9812]  netlink_sendmsg (net/netlink/af_netlink.c:1900)
[  572.469067][ T9812]  ? netlink_unicast (./include/net/net_namespace.h:422 (discriminator 7))
[  572.469071][ T9812]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554)
[  572.469072][ T9812]  ? __import_iovec (lib/iov_iter.c:1358 lib/iov_iter.c:1373)
[  572.469078][ T9812]  __sock_sendmsg (net/socket.c:800 (discriminator 4) net/socket.c:815 (discriminator 4))
[  572.469081][ T9812]  ____sys_sendmsg (net/socket.c:2713)
[  572.469083][ T9812]  ? copy_msghdr_from_user (net/socket.c:2650)
[  572.469085][ T9812]  ? sock_write_iter (net/socket.c:1269)
[  572.469087][ T9812]  ? move_addr_to_kernel (net/socket.c:258)
[  572.469094][ T9812]  ___sys_sendmsg (net/socket.c:2767)
[  572.469097][ T9812]  ? copy_msghdr_from_user (net/socket.c:2619)
[  572.469113][ T9812]  __sys_sendmsg (net/socket.c:2799)
[  572.469116][ T9812]  ? __sys_sendmsg_sock (net/socket.c:2780)
[  572.469122][ T9812]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  572.469125][ T9812]  do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84)
[  572.469131][ T9812]  ? exc_page_fault (arch/x86/mm/fault.c:1489 (discriminator 3) arch/x86/mm/fault.c:1536 (discriminator 3))
[  572.469134][ T9812]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[  572.469136][ T9812] RIP: 0033:0x7f13319cb54e
[  572.469140][ T9812] Code: 4d 89 d8 e8 b4 bd 00 00 4c 8b 5d f8 41 8b 93 08 03 00 00 59 5e 48 83 f8 fc 74 11 c9 c3 0f 1f 80 00 00 00 00 48 8b 45 10 0f 05 <c9> c3 83 e2 39 83 fa 08 75 e7 e8 03 ff ff ff 0f 1f 00 f3 0f 1e fa
All code
========
   0:	4d 89 d8             	mov    %r11,%r8
   3:	e8 b4 bd 00 00       	call   0xbdbc
   8:	4c 8b 5d f8          	mov    -0x8(%rbp),%r11
   c:	41 8b 93 08 03 00 00 	mov    0x308(%r11),%edx
  13:	59                   	pop    %rcx
  14:	5e                   	pop    %rsi
  15:	48 83 f8 fc          	cmp    $0xfffffffffffffffc,%rax
  19:	74 11                	je     0x2c
  1b:	c9                   	leave
  1c:	c3                   	ret
  1d:	0f 1f 80 00 00 00 00 	nopl   0x0(%rax)
  24:	48 8b 45 10          	mov    0x10(%rbp),%rax
  28:	0f 05                	syscall
  2a:*	c9                   	leave		<-- trapping instruction
  2b:	c3                   	ret
  2c:	83 e2 39             	and    $0x39,%edx
  2f:	83 fa 08             	cmp    $0x8,%edx
  32:	75 e7                	jne    0x1b
  34:	e8 03 ff ff ff       	call   0xffffffffffffff3c
  39:	0f 1f 00             	nopl   (%rax)
  3c:	f3 0f 1e fa          	endbr64

Code starting with the faulting instruction
===========================================
   0:	c9                   	leave
   1:	c3                   	ret
   2:	83 e2 39             	and    $0x39,%edx
   5:	83 fa 08             	cmp    $0x8,%edx
   8:	75 e7                	jne    0xfffffffffffffff1
   a:	e8 03 ff ff ff       	call   0xffffffffffffff12
   f:	0f 1f 00             	nopl   (%rax)
  12:	f3 0f 1e fa          	endbr64
[  572.469141][ T9812] RSP: 002b:00007ffdab4e11d0 EFLAGS: 00000202 ORIG_RAX: 000000000000002e
[  572.469144][ T9812] RAX: ffffffffffffffda RBX: 0000000000000005 RCX: 00007f13319cb54e
[  572.469145][ T9812] RDX: 0000000000000000 RSI: 00007ffdab4e1280 RDI: 0000000000000005
[  572.469146][ T9812] RBP: 00007ffdab4e11e0 R08: 0000000000000000 R09: 0000000000000000
[  572.469147][ T9812] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a9111ff
[  572.469148][ T9812] R13: 00000000004a1620 R14: 0000000000000000 R15: 00007ffdab4e1950
| [  580.999644][ T9956] softirqs last disabled at (16766): netif_change_name (./include/linux/spinlock.h:353 ./include/linux/seqlock.h:908 net/core/dev.c:1499)
| [  580.999646][ T9956] Preemption disabled at:
| [  580.999647][ T9956] vprintk_emit (kernel/printk/printk.c:2471)
| [  580.999655][ T9956] Tainted: [W]=WARN
[  580.999656][ T9956] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[  580.999657][ T9956] Call Trace:
[  580.999659][ T9956]  <TASK>
[  580.999661][ T9956]  dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120)
[  580.999666][ T9956]  ? vprintk_emit (kernel/printk/printk.c:2471)
[  580.999668][ T9956]  __might_resched.cold (kernel/sched/core.c:9234)
[  580.999672][ T9956]  ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3))
[  580.999676][ T9956]  ? __kmalloc_noprof (./include/linux/sched/mm.h:317 mm/slub.c:4636 mm/slub.c:4974 mm/slub.c:5413 mm/slub.c:5439)
[  580.999681][ T9956]  __kmalloc_noprof (./include/linux/sched/mm.h:322 (discriminator 2) mm/slub.c:4636 (discriminator 2) mm/slub.c:4974 (discriminator 2) mm/slub.c:5413 (discriminator 2) mm/slub.c:5439 (discriminator 2))
[  580.999682][ T9956]  ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[  580.999689][ T9956]  ? do_raw_spin_unlock (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:32 ./include/asm-generic/qspinlock.h:58 kernel/locking/spinlock_debug.c:101 kernel/locking/spinlock_debug.c:141)
[  580.999692][ T9956]  alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[  580.999696][ T9956]  put_chars (drivers/char/virtio_console.c:1176)
[  580.999698][ T9956]  ? __send_to_port (drivers/char/virtio_console.c:654)
[  580.999704][ T9956]  hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2))
[  580.999712][ T9956]  ? hvc_write (drivers/tty/hvc/hvc_console.c:501)
[  580.999715][ T9956]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  580.999719][ T9956]  console_emit_next_record (kernel/printk/printk.c:3183)
[  580.999723][ T9956]  ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20)
[  580.999725][ T9956]  ? console_flush_one_record (./include/linux/rcupdate.h:314 (discriminator 2) ./include/linux/srcu.h:439 (discriminator 2) kernel/printk/printk.c:291 (discriminator 2) kernel/printk/printk.c:3246 (discriminator 2))
[  580.999728][ T9956]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  580.999731][ T9956]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  580.999735][ T9956]  console_flush_one_record (kernel/printk/printk.c:3268)
[  580.999739][ T9956]  ? console_emit_next_record (kernel/printk/printk.c:3150)
[  580.999741][ T9956]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[  580.999746][ T9956]  console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420)
[  580.999749][ T9956]  ? console_flush_one_record (kernel/printk/printk.c:3316)
[  580.999751][ T9956]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  580.999752][ T9956]  ? lock_acquire (./include/linux/srcutree.h:374 ./include/linux/srcu.h:541 ./include/linux/srcu.h:645 ./include/trace/events/lock.h:23 ./include/trace/events/lock.h:23 kernel/locking/lockdep.c:5871)
[  580.999756][ T9956]  ? __down_trylock_console_sem (kernel/printk/printk.c:334)
[  580.999758][ T9956]  ? vprintk_emit (kernel/printk/printk.c:2478)
[  580.999760][ T9956]  vprintk_emit (kernel/printk/printk.c:2479)
[  580.999763][ T9956]  ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126))
[  580.999766][ T9956]  ? _mutex_trylock_nest_lock (kernel/locking/mutex.c:1227 (discriminator 6))
[  580.999771][ T9956]  _printk (kernel/printk/printk.c:2504)
[  580.999774][ T9956]  ? snapshot_read.cold (user.c:?)
[  580.999776][ T9956]  ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4116 (discriminator 3) kernel/rcu/tree.c:4108 (discriminator 3))
[  580.999778][ T9956]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380)
[  580.999781][ T9956]  ? validate_chain (kernel/locking/lockdep.c:3817 (discriminator 2) kernel/locking/lockdep.c:3837 (discriminator 2) kernel/locking/lockdep.c:3892 (discriminator 2))
[  580.999783][ T9956]  ? netdev_name (./include/linux/netdevice.h:5709 (discriminator 1))
[  580.999787][ T9956]  ? __netdev_printk (net/core/dev.c:13148 (discriminator 2))
[  580.999790][ T9956]  ? do_setlink.isra.0 (net/core/rtnetlink.c:3246)
[  580.999792][ T9956]  netdev_info (net/core/dev.c:13195 (discriminator 3))
[  580.999795][ T9956]  ? netdev_notice (net/core/dev.c:13194)
[  580.999797][ T9956]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[  580.999800][ T9956]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554)
[  580.999803][ T9956]  ? mark_held_locks (kernel/locking/lockdep.c:4341)
[  580.999806][ T9956]  ? do_setlink.isra.0 (net/core/rtnetlink.c:3246)
[  580.999808][ T9956]  netif_change_name.cold (net/core/dev.c:1507 (discriminator 3))
[  580.999810][ T9956]  ? register_netdev (net/core/dev.c:11618)
[  580.999812][ T9956]  ? is_bpf_text_address (./include/linux/rcupdate.h:319 (discriminator 2) ./include/linux/rcupdate.h:880 (discriminator 2) kernel/bpf/core.c:751 (discriminator 2))
[  580.999817][ T9956]  ? netdev_adjacent_rename_links (net/core/dev.c:9598)
[  580.999820][ T9956]  ? __kernel_text_address (kernel/extable.c:79)
[  580.999822][ T9956]  ? write_profile (profile.c:?)
[  580.999826][ T9956]  ? __asan_memset (mm/kasan/shadow.c:84 (discriminator 1))
[  580.999831][ T9956]  do_setlink.isra.0 (net/core/rtnetlink.c:3246)
[  580.999835][ T9956]  ? stack_trace_save (kernel/stacktrace.c:122 (discriminator 1))
[  580.999837][ T9956]  ? rtnl_link_get_size (net/core/rtnetlink.c:747)
[  580.999838][ T9956]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:388 kernel/rcu/update.c:380)
[  580.999840][ T9956]  ? stack_depot_save_flags (lib/stackdepot.c:609 (discriminator 2) lib/stackdepot.c:676 (discriminator 2))
[  580.999843][ T9956]  ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4116 (discriminator 3) kernel/rcu/tree.c:4108 (discriminator 3))
[  580.999845][ T9956]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380)
[  580.999846][ T9956]  ? validate_chain (kernel/locking/lockdep.c:3817 (discriminator 2) kernel/locking/lockdep.c:3837 (discriminator 2) kernel/locking/lockdep.c:3892 (discriminator 2))
[  580.999849][ T9956]  ? kasan_save_stack (mm/kasan/common.c:58)
[  580.999851][ T9956]  ? kasan_save_stack (mm/kasan/common.c:57)
[  580.999852][ T9956]  ? kasan_save_track (mm/kasan/common.c:78)
[  580.999853][ T9956]  ? __kasan_kmalloc (mm/kasan/common.c:398 mm/kasan/common.c:415)
[  580.999856][ T9956]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[  580.999857][ T9956]  ? snd_ac97_proc_read_main (sound/pci/ac97/ac97_proc.c:320)
[  580.999860][ T9956]  ? ___sys_sendmsg (net/socket.c:2758)
[  580.999864][ T9956]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2))
[  580.999866][ T9956]  ? rtnl_newlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:366 net/core/rtnetlink.c:4214)
[  580.999868][ T9956]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  580.999870][ T9956]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  580.999872][ T9956]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  580.999873][ T9956]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  580.999874][ T9956]  ? trace_contention_end (./include/trace/events/lock.h:121 (discriminator 22))
[  580.999877][ T9956]  ? __mutex_lock (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:3188 kernel/locking/mutex.c:89 kernel/locking/mutex.c:134 kernel/locking/mutex.c:649 kernel/locking/mutex.c:821)
[  580.999878][ T9956]  ? __mutex_lock (kernel/locking/mutex.c:656 (discriminator 1) kernel/locking/mutex.c:821 (discriminator 1))
[  580.999880][ T9956]  ? rtnl_newlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:366 net/core/rtnetlink.c:4214)
[  580.999883][ T9956]  ? ww_mutex_lock (kernel/locking/mutex.c:934)
[  580.999884][ T9956]  ? nla_get_range_signed (lib/nlattr.c:270)
[  580.999889][ T9956]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  580.999891][ T9956]  ? __rtnl_newlink (net/core/rtnetlink.c:4063)
[  580.999896][ T9956]  rtnl_newlink (net/core/rtnetlink.c:4215)
[  580.999901][ T9956]  ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558)
[  580.999903][ T9956]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[  580.999908][ T9956]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2))
[  580.999909][ T9956]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[  580.999911][ T9956]  ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558)
[  580.999913][ T9956]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554)
[  580.999917][ T9956]  ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558)
[  580.999919][ T9956]  rtnetlink_rcv_msg (net/core/rtnetlink.c:7132)
[  580.999922][ T9956]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[  580.999923][ T9956]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[  580.999928][ T9956]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2))
[  580.999929][ T9956]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[  580.999933][ T9956]  netlink_rcv_skb (net/netlink/af_netlink.c:2556)
[  580.999936][ T9956]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[  580.999939][ T9956]  ? netlink_ack (./include/linux/skbuff.h:2718)
[  580.999945][ T9956]  ? netlink_deliver_tap (./include/linux/rcupdate.h:319 (discriminator 2) ./include/linux/rcupdate.h:880 (discriminator 2) ./include/net/netns/generic.h:48 (discriminator 2) net/netlink/af_netlink.c:334 (discriminator 2))
[  580.999947][ T9956]  ? netlink_deliver_tap (./include/linux/rcupdate.h:319 (discriminator 2) ./include/linux/rcupdate.h:880 (discriminator 2) net/netlink/af_netlink.c:341 (discriminator 2))
[  580.999952][ T9956]  netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[  580.999956][ T9956]  ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[  580.999958][ T9956]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[  580.999962][ T9956]  netlink_sendmsg (net/netlink/af_netlink.c:1900)
[  580.999966][ T9956]  ? netlink_unicast (./include/net/net_namespace.h:422 (discriminator 7))
[  580.999970][ T9956]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554)
[  580.999971][ T9956]  ? __import_iovec (lib/iov_iter.c:1358 lib/iov_iter.c:1373)
[  580.999977][ T9956]  __sock_sendmsg (net/socket.c:800 (discriminator 4) net/socket.c:815 (discriminator 4))
[  580.999979][ T9956]  ____sys_sendmsg (net/socket.c:2713)
[  580.999981][ T9956]  ? copy_msghdr_from_user (net/socket.c:2650)
[  580.999984][ T9956]  ? sock_write_iter (net/socket.c:1269)
[  580.999985][ T9956]  ? move_addr_to_kernel (net/socket.c:258)
[  580.999993][ T9956]  ___sys_sendmsg (net/socket.c:2767)
[  580.999995][ T9956]  ? copy_msghdr_from_user (net/socket.c:2619)
[  581.000011][ T9956]  __sys_sendmsg (net/socket.c:2799)
[  581.000013][ T9956]  ? __sys_sendmsg_sock (net/socket.c:2780)
[  581.000020][ T9956]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  581.000023][ T9956]  do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84)
[  581.000025][ T9956]  ? exc_page_fault (arch/x86/mm/fault.c:1489 (discriminator 3) arch/x86/mm/fault.c:1536 (discriminator 3))
[  581.000028][ T9956]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[  581.000031][ T9956] RIP: 0033:0x7f4e974ab54e
[  581.000034][ T9956] 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
[  581.000036][ T9956] RSP: 002b:00007ffcad0a4a40 EFLAGS: 00000202 ORIG_RAX: 000000000000002e
[  581.000039][ T9956] RAX: ffffffffffffffda RBX: 0000000000000005 RCX: 00007f4e974ab54e
[  581.000040][ T9956] RDX: 0000000000000000 RSI: 00007ffcad0a4af0 RDI: 0000000000000005
[  581.000041][ T9956] RBP: 00007ffcad0a4a50 R08: 0000000000000000 R09: 0000000000000000
[  581.000042][ T9956] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a911208
[  581.000043][ T9956] R13: 00000000004a1620 R14: 0000000000000000 R15: 00007ffcad0a51c0
| [  589.610319][T10099] softirqs last disabled at (18092): netif_change_name (./include/linux/spinlock.h:353 ./include/linux/seqlock.h:908 net/core/dev.c:1499)
| [  589.610322][T10099] Preemption disabled at:
| [  589.610323][T10099] vprintk_emit (kernel/printk/printk.c:2471)
| [  589.610331][T10099] Tainted: [W]=WARN
[  589.610332][T10099] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[  589.610333][T10099] Call Trace:
[  589.610335][T10099]  <TASK>
[  589.610336][T10099]  dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120)
[  589.610342][T10099]  ? vprintk_emit (kernel/printk/printk.c:2471)
[  589.610344][T10099]  __might_resched.cold (kernel/sched/core.c:9234)
[  589.610348][T10099]  ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3))
[  589.610352][T10099]  ? __kmalloc_noprof (./include/linux/sched/mm.h:317 mm/slub.c:4636 mm/slub.c:4974 mm/slub.c:5413 mm/slub.c:5439)
[  589.610356][T10099]  __kmalloc_noprof (./include/linux/sched/mm.h:322 (discriminator 2) mm/slub.c:4636 (discriminator 2) mm/slub.c:4974 (discriminator 2) mm/slub.c:5413 (discriminator 2) mm/slub.c:5439 (discriminator 2))
[  589.610358][T10099]  ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[  589.610364][T10099]  ? do_raw_spin_unlock (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:32 ./include/asm-generic/qspinlock.h:58 kernel/locking/spinlock_debug.c:101 kernel/locking/spinlock_debug.c:141)
[  589.610367][T10099]  alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[  589.610371][T10099]  put_chars (drivers/char/virtio_console.c:1176)
[  589.610373][T10099]  ? __send_to_port (drivers/char/virtio_console.c:654)
[  589.610379][T10099]  hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2))
[  589.610387][T10099]  ? hvc_write (drivers/tty/hvc/hvc_console.c:501)
[  589.610390][T10099]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  589.610394][T10099]  console_emit_next_record (kernel/printk/printk.c:3183)
[  589.610398][T10099]  ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20)
[  589.610400][T10099]  ? console_flush_one_record (./include/linux/rcupdate.h:314 (discriminator 2) ./include/linux/srcu.h:439 (discriminator 2) kernel/printk/printk.c:291 (discriminator 2) kernel/printk/printk.c:3246 (discriminator 2))
[  589.610403][T10099]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  589.610406][T10099]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  589.610410][T10099]  console_flush_one_record (kernel/printk/printk.c:3268)
[  589.610414][T10099]  ? console_emit_next_record (kernel/printk/printk.c:3150)
[  589.610416][T10099]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[  589.610421][T10099]  console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420)
[  589.610424][T10099]  ? console_flush_one_record (kernel/printk/printk.c:3316)
[  589.610426][T10099]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  589.610428][T10099]  ? lock_acquire (./include/linux/srcutree.h:374 ./include/linux/srcu.h:541 ./include/linux/srcu.h:645 ./include/trace/events/lock.h:23 ./include/trace/events/lock.h:23 kernel/locking/lockdep.c:5871)
[  589.610431][T10099]  ? __down_trylock_console_sem (kernel/printk/printk.c:334)
[  589.610433][T10099]  ? vprintk_emit (kernel/printk/printk.c:2478)
[  589.610435][T10099]  vprintk_emit (kernel/printk/printk.c:2479)
[  589.610438][T10099]  ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126))
[  589.610441][T10099]  ? _mutex_trylock_nest_lock (kernel/locking/mutex.c:1227 (discriminator 6))
[  589.610446][T10099]  _printk (kernel/printk/printk.c:2504)
[  589.610449][T10099]  ? snapshot_read.cold (user.c:?)
[  589.610451][T10099]  ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4116 (discriminator 3) kernel/rcu/tree.c:4108 (discriminator 3))
[  589.610454][T10099]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380)
[  589.610457][T10099]  ? validate_chain (kernel/locking/lockdep.c:3817 (discriminator 2) kernel/locking/lockdep.c:3837 (discriminator 2) kernel/locking/lockdep.c:3892 (discriminator 2))
[  589.610459][T10099]  ? netdev_name (./include/linux/netdevice.h:5709 (discriminator 1))
[  589.610462][T10099]  ? __netdev_printk (net/core/dev.c:13148 (discriminator 2))
[  589.610465][T10099]  ? do_setlink.isra.0 (net/core/rtnetlink.c:3246)
[  589.610467][T10099]  netdev_info (net/core/dev.c:13195 (discriminator 3))
[  589.610470][T10099]  ? netdev_notice (net/core/dev.c:13194)
[  589.610473][T10099]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[  589.610476][T10099]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554)
[  589.610478][T10099]  ? mark_held_locks (kernel/locking/lockdep.c:4341)
[  589.610481][T10099]  ? do_setlink.isra.0 (net/core/rtnetlink.c:3246)
[  589.610483][T10099]  netif_change_name.cold (net/core/dev.c:1507 (discriminator 3))
[  589.610486][T10099]  ? register_netdev (net/core/dev.c:11618)
[  589.610487][T10099]  ? is_bpf_text_address (./include/linux/rcupdate.h:319 (discriminator 2) ./include/linux/rcupdate.h:880 (discriminator 2) kernel/bpf/core.c:751 (discriminator 2))
[  589.610492][T10099]  ? netdev_adjacent_rename_links (net/core/dev.c:9598)
[  589.610495][T10099]  ? __kernel_text_address (kernel/extable.c:79)
[  589.610497][T10099]  ? write_profile (profile.c:?)
[  589.610501][T10099]  ? __asan_memset (mm/kasan/shadow.c:84 (discriminator 1))
[  589.610507][T10099]  do_setlink.isra.0 (net/core/rtnetlink.c:3246)
[  589.610510][T10099]  ? stack_trace_save (kernel/stacktrace.c:122 (discriminator 1))
[  589.610512][T10099]  ? rtnl_link_get_size (net/core/rtnetlink.c:747)
[  589.610513][T10099]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:388 kernel/rcu/update.c:380)
[  589.610515][T10099]  ? stack_depot_save_flags (lib/stackdepot.c:609 (discriminator 2) lib/stackdepot.c:676 (discriminator 2))
[  589.610519][T10099]  ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4116 (discriminator 3) kernel/rcu/tree.c:4108 (discriminator 3))
[  589.610520][T10099]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380)
[  589.610522][T10099]  ? validate_chain (kernel/locking/lockdep.c:3817 (discriminator 2) kernel/locking/lockdep.c:3837 (discriminator 2) kernel/locking/lockdep.c:3892 (discriminator 2))
[  589.610524][T10099]  ? kasan_save_stack (mm/kasan/common.c:58)
[  589.610526][T10099]  ? kasan_save_stack (mm/kasan/common.c:57)
[  589.610527][T10099]  ? kasan_save_track (mm/kasan/common.c:78)
[  589.610529][T10099]  ? __kasan_kmalloc (mm/kasan/common.c:398 mm/kasan/common.c:415)
[  589.610531][T10099]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[  589.610533][T10099]  ? snd_ac97_proc_read_main (sound/pci/ac97/ac97_proc.c:320)
[  589.610536][T10099]  ? ___sys_sendmsg (net/socket.c:2758)
[  589.610540][T10099]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2))
[  589.610542][T10099]  ? rtnl_newlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:366 net/core/rtnetlink.c:4214)
[  589.610544][T10099]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  589.610546][T10099]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  589.610547][T10099]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  589.610548][T10099]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  589.610550][T10099]  ? trace_contention_end (./include/trace/events/lock.h:121 (discriminator 22))
[  589.610552][T10099]  ? __mutex_lock (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:3188 kernel/locking/mutex.c:89 kernel/locking/mutex.c:134 kernel/locking/mutex.c:649 kernel/locking/mutex.c:821)
[  589.610553][T10099]  ? __mutex_lock (kernel/locking/mutex.c:656 (discriminator 1) kernel/locking/mutex.c:821 (discriminator 1))
[  589.610555][T10099]  ? rtnl_newlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:366 net/core/rtnetlink.c:4214)
[  589.610558][T10099]  ? ww_mutex_lock (kernel/locking/mutex.c:934)
[  589.610560][T10099]  ? nla_get_range_signed (lib/nlattr.c:270)
[  589.610564][T10099]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  589.610566][T10099]  ? __rtnl_newlink (net/core/rtnetlink.c:4063)
[  589.610571][T10099]  rtnl_newlink (net/core/rtnetlink.c:4215)
[  589.610577][T10099]  ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558)
[  589.610578][T10099]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[  589.610587][T10099]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2))
[  589.610589][T10099]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[  589.610591][T10099]  ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558)
[  589.610593][T10099]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554)
[  589.610597][T10099]  ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558)
[  589.610599][T10099]  rtnetlink_rcv_msg (net/core/rtnetlink.c:7132)
[  589.610602][T10099]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[  589.610603][T10099]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[  589.610607][T10099]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2))
[  589.610609][T10099]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[  589.610612][T10099]  netlink_rcv_skb (net/netlink/af_netlink.c:2556)
[  589.610615][T10099]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[  589.610618][T10099]  ? netlink_ack (./include/linux/skbuff.h:2718)
[  589.610624][T10099]  ? netlink_deliver_tap (./include/linux/rcupdate.h:319 (discriminator 2) ./include/linux/rcupdate.h:880 (discriminator 2) ./include/net/netns/generic.h:48 (discriminator 2) net/netlink/af_netlink.c:334 (discriminator 2))
[  589.610626][T10099]  ? netlink_deliver_tap (./include/linux/rcupdate.h:319 (discriminator 2) ./include/linux/rcupdate.h:880 (discriminator 2) net/netlink/af_netlink.c:341 (discriminator 2))
[  589.610631][T10099]  netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[  589.610635][T10099]  ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[  589.610637][T10099]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[  589.610641][T10099]  netlink_sendmsg (net/netlink/af_netlink.c:1900)
[  589.610645][T10099]  ? netlink_unicast (./include/net/net_namespace.h:422 (discriminator 7))
[  589.610649][T10099]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554)
[  589.610650][T10099]  ? __import_iovec (lib/iov_iter.c:1358 lib/iov_iter.c:1373)
[  589.610656][T10099]  __sock_sendmsg (net/socket.c:800 (discriminator 4) net/socket.c:815 (discriminator 4))
[  589.610658][T10099]  ____sys_sendmsg (net/socket.c:2713)
[  589.610661][T10099]  ? copy_msghdr_from_user (net/socket.c:2650)
[  589.610663][T10099]  ? sock_write_iter (net/socket.c:1269)
[  589.610664][T10099]  ? move_addr_to_kernel (net/socket.c:258)
[  589.610672][T10099]  ___sys_sendmsg (net/socket.c:2767)
[  589.610674][T10099]  ? copy_msghdr_from_user (net/socket.c:2619)
[  589.610690][T10099]  __sys_sendmsg (net/socket.c:2799)
[  589.610693][T10099]  ? __sys_sendmsg_sock (net/socket.c:2780)
[  589.610699][T10099]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  589.610702][T10099]  do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84)
[  589.610705][T10099]  ? exc_page_fault (arch/x86/mm/fault.c:1489 (discriminator 3) arch/x86/mm/fault.c:1536 (discriminator 3))
[  589.610708][T10099]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[  589.610710][T10099] RIP: 0033:0x7f332fcd054e
[  589.610714][T10099] Code: 4d 89 d8 e8 b4 bd 00 00 4c 8b 5d f8 41 8b 93 08 03 00 00 59 5e 48 83 f8 fc 74 11 c9 c3 0f 1f 80 00 00 00 00 48 8b 45 10 0f 05 <c9> c3 83 e2 39 83 fa 08 75 e7 e8 03 ff ff ff 0f 1f 00 f3 0f 1e fa
All code
========
   0:	4d 89 d8             	mov    %r11,%r8
   3:	e8 b4 bd 00 00       	call   0xbdbc
   8:	4c 8b 5d f8          	mov    -0x8(%rbp),%r11
   c:	41 8b 93 08 03 00 00 	mov    0x308(%r11),%edx
  13:	59                   	pop    %rcx
  14:	5e                   	pop    %rsi
  15:	48 83 f8 fc          	cmp    $0xfffffffffffffffc,%rax
  19:	74 11                	je     0x2c
  1b:	c9                   	leave
  1c:	c3                   	ret
  1d:	0f 1f 80 00 00 00 00 	nopl   0x0(%rax)
  24:	48 8b 45 10          	mov    0x10(%rbp),%rax
  28:	0f 05                	syscall
  2a:*	c9                   	leave		<-- trapping instruction
  2b:	c3                   	ret
  2c:	83 e2 39             	and    $0x39,%edx
  2f:	83 fa 08             	cmp    $0x8,%edx
  32:	75 e7                	jne    0x1b
  34:	e8 03 ff ff ff       	call   0xffffffffffffff3c
  39:	0f 1f 00             	nopl   (%rax)
  3c:	f3 0f 1e fa          	endbr64

Code starting with the faulting instruction
===========================================
   0:	c9                   	leave
   1:	c3                   	ret
   2:	83 e2 39             	and    $0x39,%edx
   5:	83 fa 08             	cmp    $0x8,%edx
   8:	75 e7                	jne    0xfffffffffffffff1
   a:	e8 03 ff ff ff       	call   0xffffffffffffff12
   f:	0f 1f 00             	nopl   (%rax)
  12:	f3 0f 1e fa          	endbr64
[  589.610715][T10099] RSP: 002b:00007fff893b5a10 EFLAGS: 00000202 ORIG_RAX: 000000000000002e
[  589.610718][T10099] RAX: ffffffffffffffda RBX: 0000000000000005 RCX: 00007f332fcd054e
[  589.610719][T10099] RDX: 0000000000000000 RSI: 00007fff893b5ac0 RDI: 0000000000000005
[  589.610720][T10099] RBP: 00007fff893b5a20 R08: 0000000000000000 R09: 0000000000000000
[  589.610721][T10099] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a911210
[  589.610722][T10099] R13: 00000000004a1620 R14: 0000000000000000 R15: 00007fff893b6190
| [  598.207711][T10242] softirqs last disabled at (17780): netif_change_name (./include/linux/spinlock.h:353 ./include/linux/seqlock.h:908 net/core/dev.c:1499)
| [  598.207714][T10242] Preemption disabled at:
| [  598.207714][T10242] vprintk_emit (kernel/printk/printk.c:2471)
| [  598.207723][T10242] Tainted: [W]=WARN
[  598.207724][T10242] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[  598.207725][T10242] Call Trace:
[  598.207727][T10242]  <TASK>
[  598.207728][T10242]  dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120)
[  598.207734][T10242]  ? vprintk_emit (kernel/printk/printk.c:2471)
[  598.207736][T10242]  __might_resched.cold (kernel/sched/core.c:9234)
[  598.207740][T10242]  ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3))
[  598.207744][T10242]  ? __kmalloc_noprof (./include/linux/sched/mm.h:317 mm/slub.c:4636 mm/slub.c:4974 mm/slub.c:5413 mm/slub.c:5439)
[  598.207749][T10242]  __kmalloc_noprof (./include/linux/sched/mm.h:322 (discriminator 2) mm/slub.c:4636 (discriminator 2) mm/slub.c:4974 (discriminator 2) mm/slub.c:5413 (discriminator 2) mm/slub.c:5439 (discriminator 2))
[  598.207751][T10242]  ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[  598.207757][T10242]  ? do_raw_spin_unlock (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:32 ./include/asm-generic/qspinlock.h:58 kernel/locking/spinlock_debug.c:101 kernel/locking/spinlock_debug.c:141)
[  598.207760][T10242]  alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[  598.207763][T10242]  put_chars (drivers/char/virtio_console.c:1176)
[  598.207766][T10242]  ? __send_to_port (drivers/char/virtio_console.c:654)
[  598.207772][T10242]  hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2))
[  598.207779][T10242]  ? hvc_write (drivers/tty/hvc/hvc_console.c:501)
[  598.207782][T10242]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  598.207787][T10242]  console_emit_next_record (kernel/printk/printk.c:3183)
[  598.207791][T10242]  ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20)
[  598.207793][T10242]  ? console_flush_one_record (./include/linux/rcupdate.h:314 (discriminator 2) ./include/linux/srcu.h:439 (discriminator 2) kernel/printk/printk.c:291 (discriminator 2) kernel/printk/printk.c:3246 (discriminator 2))
[  598.207796][T10242]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  598.207799][T10242]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  598.207802][T10242]  console_flush_one_record (kernel/printk/printk.c:3268)
[  598.207806][T10242]  ? console_emit_next_record (kernel/printk/printk.c:3150)
[  598.207808][T10242]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[  598.207813][T10242]  console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420)
[  598.207816][T10242]  ? console_flush_one_record (kernel/printk/printk.c:3316)
[  598.207818][T10242]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  598.207820][T10242]  ? lock_acquire (./include/linux/srcutree.h:374 ./include/linux/srcu.h:541 ./include/linux/srcu.h:645 ./include/trace/events/lock.h:23 ./include/trace/events/lock.h:23 kernel/locking/lockdep.c:5871)
[  598.207824][T10242]  ? __down_trylock_console_sem (kernel/printk/printk.c:334)
[  598.207825][T10242]  ? vprintk_emit (kernel/printk/printk.c:2478)
[  598.207828][T10242]  vprintk_emit (kernel/printk/printk.c:2479)
[  598.207831][T10242]  ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126))
[  598.207834][T10242]  ? _mutex_trylock_nest_lock (kernel/locking/mutex.c:1227 (discriminator 6))
[  598.207839][T10242]  _printk (kernel/printk/printk.c:2504)
[  598.207842][T10242]  ? snapshot_read.cold (user.c:?)
[  598.207844][T10242]  ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4116 (discriminator 3) kernel/rcu/tree.c:4108 (discriminator 3))
[  598.207847][T10242]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380)
[  598.207849][T10242]  ? validate_chain (kernel/locking/lockdep.c:3817 (discriminator 2) kernel/locking/lockdep.c:3837 (discriminator 2) kernel/locking/lockdep.c:3892 (discriminator 2))
[  598.207851][T10242]  ? netdev_name (./include/linux/netdevice.h:5709 (discriminator 1))
[  598.207855][T10242]  ? __netdev_printk (net/core/dev.c:13148 (discriminator 2))
[  598.207858][T10242]  ? do_setlink.isra.0 (net/core/rtnetlink.c:3246)
[  598.207860][T10242]  netdev_info (net/core/dev.c:13195 (discriminator 3))
[  598.207863][T10242]  ? netdev_notice (net/core/dev.c:13194)
[  598.207866][T10242]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[  598.207869][T10242]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554)
[  598.207871][T10242]  ? mark_held_locks (kernel/locking/lockdep.c:4341)
[  598.207875][T10242]  ? do_setlink.isra.0 (net/core/rtnetlink.c:3246)
[  598.207877][T10242]  netif_change_name.cold (net/core/dev.c:1507 (discriminator 3))
[  598.207879][T10242]  ? register_netdev (net/core/dev.c:11618)
[  598.207880][T10242]  ? is_bpf_text_address (./include/linux/rcupdate.h:319 (discriminator 2) ./include/linux/rcupdate.h:880 (discriminator 2) kernel/bpf/core.c:751 (discriminator 2))
[  598.207886][T10242]  ? netdev_adjacent_rename_links (net/core/dev.c:9598)
[  598.207888][T10242]  ? __kernel_text_address (kernel/extable.c:79)
[  598.207891][T10242]  ? write_profile (profile.c:?)
[  598.207895][T10242]  ? __asan_memset (mm/kasan/shadow.c:84 (discriminator 1))
[  598.207900][T10242]  do_setlink.isra.0 (net/core/rtnetlink.c:3246)
[  598.207903][T10242]  ? stack_trace_save (kernel/stacktrace.c:122 (discriminator 1))
[  598.207906][T10242]  ? rtnl_link_get_size (net/core/rtnetlink.c:747)
[  598.207907][T10242]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:388 kernel/rcu/update.c:380)
[  598.207909][T10242]  ? stack_depot_save_flags (lib/stackdepot.c:609 (discriminator 2) lib/stackdepot.c:676 (discriminator 2))
[  598.207912][T10242]  ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4116 (discriminator 3) kernel/rcu/tree.c:4108 (discriminator 3))
[  598.207914][T10242]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380)
[  598.207916][T10242]  ? validate_chain (kernel/locking/lockdep.c:3817 (discriminator 2) kernel/locking/lockdep.c:3837 (discriminator 2) kernel/locking/lockdep.c:3892 (discriminator 2))
[  598.207918][T10242]  ? kasan_save_stack (mm/kasan/common.c:58)
[  598.207920][T10242]  ? kasan_save_stack (mm/kasan/common.c:57)
[  598.207921][T10242]  ? kasan_save_track (mm/kasan/common.c:78)
[  598.207922][T10242]  ? __kasan_kmalloc (mm/kasan/common.c:398 mm/kasan/common.c:415)
[  598.207925][T10242]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[  598.207926][T10242]  ? snd_ac97_proc_read_main (sound/pci/ac97/ac97_proc.c:320)
[  598.207930][T10242]  ? ___sys_sendmsg (net/socket.c:2758)
[  598.207933][T10242]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2))
[  598.207935][T10242]  ? rtnl_newlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:366 net/core/rtnetlink.c:4214)
[  598.207938][T10242]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  598.207940][T10242]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  598.207941][T10242]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  598.207942][T10242]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  598.207944][T10242]  ? trace_contention_end (./include/trace/events/lock.h:121 (discriminator 22))
[  598.207946][T10242]  ? __mutex_lock (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:3188 kernel/locking/mutex.c:89 kernel/locking/mutex.c:134 kernel/locking/mutex.c:649 kernel/locking/mutex.c:821)
[  598.207947][T10242]  ? __mutex_lock (kernel/locking/mutex.c:656 (discriminator 1) kernel/locking/mutex.c:821 (discriminator 1))
[  598.207949][T10242]  ? rtnl_newlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:366 net/core/rtnetlink.c:4214)
[  598.207952][T10242]  ? ww_mutex_lock (kernel/locking/mutex.c:934)
[  598.207954][T10242]  ? nla_get_range_signed (lib/nlattr.c:270)
[  598.207958][T10242]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  598.207961][T10242]  ? __rtnl_newlink (net/core/rtnetlink.c:4063)
[  598.207966][T10242]  rtnl_newlink (net/core/rtnetlink.c:4215)
[  598.207971][T10242]  ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558)
[  598.207973][T10242]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[  598.207977][T10242]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2))
[  598.207979][T10242]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[  598.207981][T10242]  ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558)
[  598.207983][T10242]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554)
[  598.207986][T10242]  ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558)
[  598.207988][T10242]  rtnetlink_rcv_msg (net/core/rtnetlink.c:7132)
[  598.207991][T10242]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[  598.207993][T10242]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[  598.207997][T10242]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2))
[  598.207999][T10242]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[  598.208003][T10242]  netlink_rcv_skb (net/netlink/af_netlink.c:2556)
[  598.208006][T10242]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[  598.208008][T10242]  ? netlink_ack (./include/linux/skbuff.h:2718)
[  598.208015][T10242]  ? netlink_deliver_tap (./include/linux/rcupdate.h:319 (discriminator 2) ./include/linux/rcupdate.h:880 (discriminator 2) ./include/net/netns/generic.h:48 (discriminator 2) net/netlink/af_netlink.c:334 (discriminator 2))
[  598.208017][T10242]  ? netlink_deliver_tap (./include/linux/rcupdate.h:319 (discriminator 2) ./include/linux/rcupdate.h:880 (discriminator 2) net/netlink/af_netlink.c:341 (discriminator 2))
[  598.208021][T10242]  netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[  598.208025][T10242]  ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[  598.208028][T10242]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[  598.208032][T10242]  netlink_sendmsg (net/netlink/af_netlink.c:1900)
[  598.208036][T10242]  ? netlink_unicast (./include/net/net_namespace.h:422 (discriminator 7))
[  598.208040][T10242]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554)
[  598.208041][T10242]  ? __import_iovec (lib/iov_iter.c:1358 lib/iov_iter.c:1373)
[  598.208047][T10242]  __sock_sendmsg (net/socket.c:800 (discriminator 4) net/socket.c:815 (discriminator 4))
[  598.208050][T10242]  ____sys_sendmsg (net/socket.c:2713)
[  598.208052][T10242]  ? copy_msghdr_from_user (net/socket.c:2650)
[  598.208054][T10242]  ? sock_write_iter (net/socket.c:1269)
[  598.208056][T10242]  ? move_addr_to_kernel (net/socket.c:258)
[  598.208063][T10242]  ___sys_sendmsg (net/socket.c:2767)
[  598.208066][T10242]  ? copy_msghdr_from_user (net/socket.c:2619)
[  598.208081][T10242]  __sys_sendmsg (net/socket.c:2799)
[  598.208084][T10242]  ? __sys_sendmsg_sock (net/socket.c:2780)
[  598.208090][T10242]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  598.208093][T10242]  do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84)
[  598.208096][T10242]  ? exc_page_fault (arch/x86/mm/fault.c:1489 (discriminator 3) arch/x86/mm/fault.c:1536 (discriminator 3))
[  598.208099][T10242]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[  598.208101][T10242] RIP: 0033:0x7f44c360654e
[  598.208105][T10242] Code: 4d 89 d8 e8 b4 bd 00 00 4c 8b 5d f8 41 8b 93 08 03 00 00 59 5e 48 83 f8 fc 74 11 c9 c3 0f 1f 80 00 00 00 00 48 8b 45 10 0f 05 <c9> c3 83 e2 39 83 fa 08 75 e7 e8 03 ff ff ff 0f 1f 00 f3 0f 1e fa
All code
========
   0:	4d 89 d8             	mov    %r11,%r8
   3:	e8 b4 bd 00 00       	call   0xbdbc
   8:	4c 8b 5d f8          	mov    -0x8(%rbp),%r11
   c:	41 8b 93 08 03 00 00 	mov    0x308(%r11),%edx
  13:	59                   	pop    %rcx
  14:	5e                   	pop    %rsi
  15:	48 83 f8 fc          	cmp    $0xfffffffffffffffc,%rax
  19:	74 11                	je     0x2c
  1b:	c9                   	leave
  1c:	c3                   	ret
  1d:	0f 1f 80 00 00 00 00 	nopl   0x0(%rax)
  24:	48 8b 45 10          	mov    0x10(%rbp),%rax
  28:	0f 05                	syscall
  2a:*	c9                   	leave		<-- trapping instruction
  2b:	c3                   	ret
  2c:	83 e2 39             	and    $0x39,%edx
  2f:	83 fa 08             	cmp    $0x8,%edx
  32:	75 e7                	jne    0x1b
  34:	e8 03 ff ff ff       	call   0xffffffffffffff3c
  39:	0f 1f 00             	nopl   (%rax)
  3c:	f3 0f 1e fa          	endbr64

Code starting with the faulting instruction
===========================================
   0:	c9                   	leave
   1:	c3                   	ret
   2:	83 e2 39             	and    $0x39,%edx
   5:	83 fa 08             	cmp    $0x8,%edx
   8:	75 e7                	jne    0xfffffffffffffff1
   a:	e8 03 ff ff ff       	call   0xffffffffffffff12
   f:	0f 1f 00             	nopl   (%rax)
  12:	f3 0f 1e fa          	endbr64
[  598.208107][T10242] RSP: 002b:00007ffc37b0a8c0 EFLAGS: 00000202 ORIG_RAX: 000000000000002e
[  598.208109][T10242] RAX: ffffffffffffffda RBX: 0000000000000005 RCX: 00007f44c360654e
[  598.208111][T10242] RDX: 0000000000000000 RSI: 00007ffc37b0a970 RDI: 0000000000000005
[  598.208111][T10242] RBP: 00007ffc37b0a8d0 R08: 0000000000000000 R09: 0000000000000000
[  598.208112][T10242] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a911219
[  598.208113][T10242] R13: 00000000004a1620 R14: 0000000000000000 R15: 00007ffc37b0b040
| [  606.896604][T10385] softirqs last disabled at (17796): netif_change_name (./include/linux/spinlock.h:353 ./include/linux/seqlock.h:908 net/core/dev.c:1499)
| [  606.896607][T10385] Preemption disabled at:
| [  606.896607][T10385] vprintk_emit (kernel/printk/printk.c:2471)
| [  606.896615][T10385] Tainted: [W]=WARN
[  606.896616][T10385] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[  606.896617][T10385] Call Trace:
[  606.896619][T10385]  <TASK>
[  606.896620][T10385]  dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120)
[  606.896627][T10385]  ? vprintk_emit (kernel/printk/printk.c:2471)
[  606.896628][T10385]  __might_resched.cold (kernel/sched/core.c:9234)
[  606.896633][T10385]  ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3))
[  606.896637][T10385]  ? __kmalloc_noprof (./include/linux/sched/mm.h:317 mm/slub.c:4636 mm/slub.c:4974 mm/slub.c:5413 mm/slub.c:5439)
[  606.896646][T10385]  __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))
[  606.896648][T10385]  ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[  606.896654][T10385]  ? 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)
[  606.896657][T10385]  alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[  606.896661][T10385]  put_chars (drivers/char/virtio_console.c:1176)
[  606.896663][T10385]  ? __send_to_port (drivers/char/virtio_console.c:654)
[  606.896669][T10385]  hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2))
[  606.896677][T10385]  ? hvc_write (drivers/tty/hvc/hvc_console.c:501)
[  606.896680][T10385]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  606.896684][T10385]  console_emit_next_record (kernel/printk/printk.c:3183)
[  606.896689][T10385]  ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20)
[  606.896690][T10385]  ? 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))
[  606.896694][T10385]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  606.896696][T10385]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  606.896700][T10385]  console_flush_one_record (kernel/printk/printk.c:3268)
[  606.896704][T10385]  ? console_emit_next_record (kernel/printk/printk.c:3150)
[  606.896706][T10385]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[  606.896712][T10385]  console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420)
[  606.896714][T10385]  ? console_flush_one_record (kernel/printk/printk.c:3316)
[  606.896716][T10385]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  606.896718][T10385]  ? 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)
[  606.896721][T10385]  ? __down_trylock_console_sem (kernel/printk/printk.c:334)
[  606.896723][T10385]  ? vprintk_emit (kernel/printk/printk.c:2478)
[  606.896726][T10385]  vprintk_emit (kernel/printk/printk.c:2479)
[  606.896729][T10385]  ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126))
[  606.896732][T10385]  ? _mutex_trylock_nest_lock (kernel/locking/mutex.c:1227 (discriminator 6))
[  606.896737][T10385]  _printk (kernel/printk/printk.c:2504)
[  606.896740][T10385]  ? snapshot_read.cold (user.c:?)
[  606.896742][T10385]  ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4116 (discriminator 3) kernel/rcu/tree.c:4108 (discriminator 3))
[  606.896745][T10385]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380)
[  606.896747][T10385]  ? validate_chain (kernel/locking/lockdep.c:3817 (discriminator 2) kernel/locking/lockdep.c:3837 (discriminator 2) kernel/locking/lockdep.c:3892 (discriminator 2))
[  606.896750][T10385]  ? netdev_name (./include/linux/netdevice.h:5709 (discriminator 1))
[  606.896753][T10385]  ? __netdev_printk (net/core/dev.c:13148 (discriminator 2))
[  606.896756][T10385]  ? do_setlink.isra.0 (net/core/rtnetlink.c:3246)
[  606.896758][T10385]  netdev_info (net/core/dev.c:13195 (discriminator 3))
[  606.896761][T10385]  ? netdev_notice (net/core/dev.c:13194)
[  606.896764][T10385]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[  606.896767][T10385]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554)
[  606.896769][T10385]  ? mark_held_locks (kernel/locking/lockdep.c:4341)
[  606.896773][T10385]  ? do_setlink.isra.0 (net/core/rtnetlink.c:3246)
[  606.896775][T10385]  netif_change_name.cold (net/core/dev.c:1507 (discriminator 3))
[  606.896777][T10385]  ? register_netdev (net/core/dev.c:11618)
[  606.896778][T10385]  ? 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))
[  606.896784][T10385]  ? netdev_adjacent_rename_links (net/core/dev.c:9598)
[  606.896786][T10385]  ? __kernel_text_address (kernel/extable.c:79)
[  606.896789][T10385]  ? write_profile (profile.c:?)
[  606.896793][T10385]  ? __asan_memset (mm/kasan/shadow.c:84 (discriminator 1))
[  606.896798][T10385]  do_setlink.isra.0 (net/core/rtnetlink.c:3246)
[  606.896801][T10385]  ? stack_trace_save (kernel/stacktrace.c:122 (discriminator 1))
[  606.896803][T10385]  ? rtnl_link_get_size (net/core/rtnetlink.c:747)
[  606.896805][T10385]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:388 kernel/rcu/update.c:380)
[  606.896807][T10385]  ? stack_depot_save_flags (lib/stackdepot.c:609 (discriminator 2) lib/stackdepot.c:676 (discriminator 2))
[  606.896810][T10385]  ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4116 (discriminator 3) kernel/rcu/tree.c:4108 (discriminator 3))
[  606.896812][T10385]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380)
[  606.896813][T10385]  ? validate_chain (kernel/locking/lockdep.c:3817 (discriminator 2) kernel/locking/lockdep.c:3837 (discriminator 2) kernel/locking/lockdep.c:3892 (discriminator 2))
[  606.896816][T10385]  ? kasan_save_stack (mm/kasan/common.c:58)
[  606.896818][T10385]  ? kasan_save_stack (mm/kasan/common.c:57)
[  606.896819][T10385]  ? kasan_save_track (mm/kasan/common.c:78)
[  606.896820][T10385]  ? __kasan_kmalloc (mm/kasan/common.c:398 mm/kasan/common.c:415)
[  606.896822][T10385]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[  606.896824][T10385]  ? snd_ac97_proc_read_main (sound/pci/ac97/ac97_proc.c:320)
[  606.896827][T10385]  ? ___sys_sendmsg (net/socket.c:2758)
[  606.896831][T10385]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2))
[  606.896833][T10385]  ? rtnl_newlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:366 net/core/rtnetlink.c:4214)
[  606.896836][T10385]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  606.896838][T10385]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  606.896839][T10385]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  606.896840][T10385]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  606.896842][T10385]  ? trace_contention_end (./include/trace/events/lock.h:121 (discriminator 22))
[  606.896844][T10385]  ? __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)
[  606.896845][T10385]  ? __mutex_lock (kernel/locking/mutex.c:656 (discriminator 1) kernel/locking/mutex.c:821 (discriminator 1))
[  606.896847][T10385]  ? rtnl_newlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:366 net/core/rtnetlink.c:4214)
[  606.896851][T10385]  ? ww_mutex_lock (kernel/locking/mutex.c:934)
[  606.896852][T10385]  ? nla_get_range_signed (lib/nlattr.c:270)
[  606.896857][T10385]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  606.896859][T10385]  ? __rtnl_newlink (net/core/rtnetlink.c:4063)
[  606.896864][T10385]  rtnl_newlink (net/core/rtnetlink.c:4215)
[  606.896869][T10385]  ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558)
[  606.896871][T10385]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[  606.896875][T10385]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2))
[  606.896877][T10385]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[  606.896879][T10385]  ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558)
[  606.896881][T10385]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554)
[  606.896884][T10385]  ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558)
[  606.896887][T10385]  rtnetlink_rcv_msg (net/core/rtnetlink.c:7132)
[  606.896890][T10385]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[  606.896891][T10385]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[  606.896895][T10385]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2))
[  606.896897][T10385]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[  606.896901][T10385]  netlink_rcv_skb (net/netlink/af_netlink.c:2556)
[  606.896904][T10385]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[  606.896907][T10385]  ? netlink_ack (./include/linux/skbuff.h:2718)
[  606.896913][T10385]  ? 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))
[  606.896915][T10385]  ? 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))
[  606.896920][T10385]  netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[  606.896923][T10385]  ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[  606.896926][T10385]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[  606.896930][T10385]  netlink_sendmsg (net/netlink/af_netlink.c:1900)
[  606.896934][T10385]  ? netlink_unicast (./include/net/net_namespace.h:422 (discriminator 7))
[  606.896938][T10385]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554)
[  606.896939][T10385]  ? __import_iovec (lib/iov_iter.c:1358 lib/iov_iter.c:1373)
[  606.896945][T10385]  __sock_sendmsg (net/socket.c:800 (discriminator 4) net/socket.c:815 (discriminator 4))
[  606.896947][T10385]  ____sys_sendmsg (net/socket.c:2713)
[  606.896950][T10385]  ? copy_msghdr_from_user (net/socket.c:2650)
[  606.896952][T10385]  ? sock_write_iter (net/socket.c:1269)
[  606.896953][T10385]  ? move_addr_to_kernel (net/socket.c:258)
[  606.896961][T10385]  ___sys_sendmsg (net/socket.c:2767)
[  606.896963][T10385]  ? copy_msghdr_from_user (net/socket.c:2619)
[  606.896979][T10385]  __sys_sendmsg (net/socket.c:2799)
[  606.896982][T10385]  ? __sys_sendmsg_sock (net/socket.c:2780)
[  606.896988][T10385]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  606.896991][T10385]  do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84)
[  606.896994][T10385]  ? exc_page_fault (arch/x86/mm/fault.c:1489 (discriminator 3) arch/x86/mm/fault.c:1536 (discriminator 3))
[  606.896996][T10385]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[  606.896998][T10385] RIP: 0033:0x7fae2412154e
[  606.897002][T10385] 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
[  606.897004][T10385] RSP: 002b:00007ffc964cf110 EFLAGS: 00000202 ORIG_RAX: 000000000000002e
[  606.897007][T10385] RAX: ffffffffffffffda RBX: 0000000000000005 RCX: 00007fae2412154e
[  606.897008][T10385] RDX: 0000000000000000 RSI: 00007ffc964cf1c0 RDI: 0000000000000005
[  606.897009][T10385] RBP: 00007ffc964cf120 R08: 0000000000000000 R09: 0000000000000000
[  606.897010][T10385] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a911222
[  606.897011][T10385] R13: 00000000004a1620 R14: 0000000000000000 R15: 00007ffc964cf890
| [  615.550744][T10529] softirqs last disabled at (19194): netif_change_name (./include/linux/spinlock.h:353 ./include/linux/seqlock.h:908 net/core/dev.c:1499)
| [  615.550747][T10529] Preemption disabled at:
| [  615.550748][T10529] vprintk_emit (kernel/printk/printk.c:2471)
| [  615.550757][T10529] Tainted: [W]=WARN
[  615.550758][T10529] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[  615.550760][T10529] Call Trace:
[  615.550761][T10529]  <TASK>
[  615.550763][T10529]  dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120)
[  615.550769][T10529]  ? vprintk_emit (kernel/printk/printk.c:2471)
[  615.550770][T10529]  __might_resched.cold (kernel/sched/core.c:9234)
[  615.550775][T10529]  ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3))
[  615.550779][T10529]  ? __kmalloc_noprof (./include/linux/sched/mm.h:317 mm/slub.c:4636 mm/slub.c:4974 mm/slub.c:5413 mm/slub.c:5439)
[  615.550783][T10529]  __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))
[  615.550785][T10529]  ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[  615.550792][T10529]  ? 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)
[  615.550794][T10529]  alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[  615.550798][T10529]  put_chars (drivers/char/virtio_console.c:1176)
[  615.550801][T10529]  ? __send_to_port (drivers/char/virtio_console.c:654)
[  615.550807][T10529]  hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2))
[  615.550815][T10529]  ? hvc_write (drivers/tty/hvc/hvc_console.c:501)
[  615.550818][T10529]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  615.550823][T10529]  console_emit_next_record (kernel/printk/printk.c:3183)
[  615.550827][T10529]  ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20)
[  615.550829][T10529]  ? 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))
[  615.550832][T10529]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  615.550835][T10529]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  615.550839][T10529]  console_flush_one_record (kernel/printk/printk.c:3268)
[  615.550843][T10529]  ? console_emit_next_record (kernel/printk/printk.c:3150)
[  615.550845][T10529]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[  615.550851][T10529]  console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420)
[  615.550853][T10529]  ? console_flush_one_record (kernel/printk/printk.c:3316)
[  615.550855][T10529]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  615.550857][T10529]  ? 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)
[  615.550861][T10529]  ? __down_trylock_console_sem (kernel/printk/printk.c:334)
[  615.550863][T10529]  ? vprintk_emit (kernel/printk/printk.c:2478)
[  615.550865][T10529]  vprintk_emit (kernel/printk/printk.c:2479)
[  615.550869][T10529]  ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126))
[  615.550871][T10529]  ? _mutex_trylock_nest_lock (kernel/locking/mutex.c:1227 (discriminator 6))
[  615.550877][T10529]  _printk (kernel/printk/printk.c:2504)
[  615.550880][T10529]  ? snapshot_read.cold (user.c:?)
[  615.550882][T10529]  ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4116 (discriminator 3) kernel/rcu/tree.c:4108 (discriminator 3))
[  615.550884][T10529]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380)
[  615.550887][T10529]  ? validate_chain (kernel/locking/lockdep.c:3817 (discriminator 2) kernel/locking/lockdep.c:3837 (discriminator 2) kernel/locking/lockdep.c:3892 (discriminator 2))
[  615.550889][T10529]  ? netdev_name (./include/linux/netdevice.h:5709 (discriminator 1))
[  615.550893][T10529]  ? __netdev_printk (net/core/dev.c:13148 (discriminator 2))
[  615.550896][T10529]  ? do_setlink.isra.0 (net/core/rtnetlink.c:3246)
[  615.550898][T10529]  netdev_info (net/core/dev.c:13195 (discriminator 3))
[  615.550901][T10529]  ? netdev_notice (net/core/dev.c:13194)
[  615.550904][T10529]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[  615.550907][T10529]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554)
[  615.550909][T10529]  ? mark_held_locks (kernel/locking/lockdep.c:4341)
[  615.550913][T10529]  ? do_setlink.isra.0 (net/core/rtnetlink.c:3246)
[  615.550915][T10529]  netif_change_name.cold (net/core/dev.c:1507 (discriminator 3))
[  615.550917][T10529]  ? register_netdev (net/core/dev.c:11618)
[  615.550919][T10529]  ? 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))
[  615.550924][T10529]  ? netdev_adjacent_rename_links (net/core/dev.c:9598)
[  615.550926][T10529]  ? __kernel_text_address (kernel/extable.c:79)
[  615.550929][T10529]  ? write_profile (profile.c:?)
[  615.550933][T10529]  ? __asan_memset (mm/kasan/shadow.c:84 (discriminator 1))
[  615.550939][T10529]  do_setlink.isra.0 (net/core/rtnetlink.c:3246)
[  615.550942][T10529]  ? stack_trace_save (kernel/stacktrace.c:122 (discriminator 1))
[  615.550944][T10529]  ? rtnl_link_get_size (net/core/rtnetlink.c:747)
[  615.550946][T10529]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:388 kernel/rcu/update.c:380)
[  615.550947][T10529]  ? stack_depot_save_flags (lib/stackdepot.c:609 (discriminator 2) lib/stackdepot.c:676 (discriminator 2))
[  615.550951][T10529]  ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4116 (discriminator 3) kernel/rcu/tree.c:4108 (discriminator 3))
[  615.550953][T10529]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380)
[  615.550954][T10529]  ? validate_chain (kernel/locking/lockdep.c:3817 (discriminator 2) kernel/locking/lockdep.c:3837 (discriminator 2) kernel/locking/lockdep.c:3892 (discriminator 2))
[  615.550957][T10529]  ? kasan_save_stack (mm/kasan/common.c:58)
[  615.550959][T10529]  ? kasan_save_stack (mm/kasan/common.c:57)
[  615.550960][T10529]  ? kasan_save_track (mm/kasan/common.c:78)
[  615.550961][T10529]  ? __kasan_kmalloc (mm/kasan/common.c:398 mm/kasan/common.c:415)
[  615.550964][T10529]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[  615.550965][T10529]  ? snd_ac97_proc_read_main (sound/pci/ac97/ac97_proc.c:320)
[  615.550968][T10529]  ? ___sys_sendmsg (net/socket.c:2758)
[  615.550972][T10529]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2))
[  615.550974][T10529]  ? rtnl_newlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:366 net/core/rtnetlink.c:4214)
[  615.550977][T10529]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  615.550978][T10529]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  615.550980][T10529]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  615.550981][T10529]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  615.550983][T10529]  ? trace_contention_end (./include/trace/events/lock.h:121 (discriminator 22))
[  615.550985][T10529]  ? __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)
[  615.550986][T10529]  ? __mutex_lock (kernel/locking/mutex.c:656 (discriminator 1) kernel/locking/mutex.c:821 (discriminator 1))
[  615.550988][T10529]  ? rtnl_newlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:366 net/core/rtnetlink.c:4214)
[  615.550992][T10529]  ? ww_mutex_lock (kernel/locking/mutex.c:934)
[  615.550993][T10529]  ? nla_get_range_signed (lib/nlattr.c:270)
[  615.550998][T10529]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  615.551000][T10529]  ? __rtnl_newlink (net/core/rtnetlink.c:4063)
[  615.551005][T10529]  rtnl_newlink (net/core/rtnetlink.c:4215)
[  615.551011][T10529]  ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558)
[  615.551013][T10529]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[  615.551017][T10529]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2))
[  615.551019][T10529]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[  615.551021][T10529]  ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558)
[  615.551023][T10529]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554)
[  615.551027][T10529]  ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558)
[  615.551029][T10529]  rtnetlink_rcv_msg (net/core/rtnetlink.c:7132)
[  615.551032][T10529]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[  615.551033][T10529]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[  615.551038][T10529]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2))
[  615.551040][T10529]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[  615.551043][T10529]  netlink_rcv_skb (net/netlink/af_netlink.c:2556)
[  615.551047][T10529]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[  615.551050][T10529]  ? netlink_ack (./include/linux/skbuff.h:2718)
[  615.551056][T10529]  ? 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))
[  615.551058][T10529]  ? 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))
[  615.551063][T10529]  netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[  615.551067][T10529]  ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[  615.551069][T10529]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[  615.551073][T10529]  netlink_sendmsg (net/netlink/af_netlink.c:1900)
[  615.551077][T10529]  ? netlink_unicast (./include/net/net_namespace.h:422 (discriminator 7))
[  615.551081][T10529]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554)
[  615.551083][T10529]  ? __import_iovec (lib/iov_iter.c:1358 lib/iov_iter.c:1373)
[  615.551088][T10529]  __sock_sendmsg (net/socket.c:800 (discriminator 4) net/socket.c:815 (discriminator 4))
[  615.551091][T10529]  ____sys_sendmsg (net/socket.c:2713)
[  615.551093][T10529]  ? copy_msghdr_from_user (net/socket.c:2650)
[  615.551095][T10529]  ? sock_write_iter (net/socket.c:1269)
[  615.551097][T10529]  ? move_addr_to_kernel (net/socket.c:258)
[  615.551104][T10529]  ___sys_sendmsg (net/socket.c:2767)
[  615.551107][T10529]  ? copy_msghdr_from_user (net/socket.c:2619)
[  615.551123][T10529]  __sys_sendmsg (net/socket.c:2799)
[  615.551126][T10529]  ? __sys_sendmsg_sock (net/socket.c:2780)
[  615.551135][T10529]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  615.551138][T10529]  do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84)
[  615.551141][T10529]  ? exc_page_fault (arch/x86/mm/fault.c:1489 (discriminator 3) arch/x86/mm/fault.c:1536 (discriminator 3))
[  615.551144][T10529]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[  615.551146][T10529] RIP: 0033:0x7f6c0bfab54e
[  615.551150][T10529] 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
[  615.551152][T10529] RSP: 002b:00007ffd929c2df0 EFLAGS: 00000202 ORIG_RAX: 000000000000002e
[  615.551155][T10529] RAX: ffffffffffffffda RBX: 0000000000000005 RCX: 00007f6c0bfab54e
[  615.551156][T10529] RDX: 0000000000000000 RSI: 00007ffd929c2ea0 RDI: 0000000000000005
[  615.551157][T10529] RBP: 00007ffd929c2e00 R08: 0000000000000000 R09: 0000000000000000
[  615.551158][T10529] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a91122a
[  615.551159][T10529] R13: 00000000004a1620 R14: 0000000000000000 R15: 00007ffd929c3570
| [  624.182553][T10673] softirqs last disabled at (17656): netif_change_name (./include/linux/spinlock.h:353 ./include/linux/seqlock.h:908 net/core/dev.c:1499)
| [  624.182556][T10673] Preemption disabled at:
| [  624.182556][T10673] vprintk_emit (kernel/printk/printk.c:2471)
| [  624.182564][T10673] Tainted: [W]=WARN
[  624.182565][T10673] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[  624.182567][T10673] Call Trace:
[  624.182568][T10673]  <TASK>
[  624.182570][T10673]  dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120)
[  624.182576][T10673]  ? vprintk_emit (kernel/printk/printk.c:2471)
[  624.182577][T10673]  __might_resched.cold (kernel/sched/core.c:9234)
[  624.182581][T10673]  ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3))
[  624.182585][T10673]  ? __kmalloc_noprof (./include/linux/sched/mm.h:317 mm/slub.c:4636 mm/slub.c:4974 mm/slub.c:5413 mm/slub.c:5439)
[  624.182590][T10673]  __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))
[  624.182592][T10673]  ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[  624.182598][T10673]  ? 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)
[  624.182601][T10673]  alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[  624.182605][T10673]  put_chars (drivers/char/virtio_console.c:1176)
[  624.182607][T10673]  ? __send_to_port (drivers/char/virtio_console.c:654)
[  624.182613][T10673]  hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2))
[  624.182621][T10673]  ? hvc_write (drivers/tty/hvc/hvc_console.c:501)
[  624.182624][T10673]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  624.182628][T10673]  console_emit_next_record (kernel/printk/printk.c:3183)
[  624.182632][T10673]  ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20)
[  624.182634][T10673]  ? 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))
[  624.182637][T10673]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  624.182640][T10673]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  624.182644][T10673]  console_flush_one_record (kernel/printk/printk.c:3268)
[  624.182648][T10673]  ? console_emit_next_record (kernel/printk/printk.c:3150)
[  624.182650][T10673]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[  624.182655][T10673]  console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420)
[  624.182658][T10673]  ? console_flush_one_record (kernel/printk/printk.c:3316)
[  624.182660][T10673]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  624.182662][T10673]  ? 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)
[  624.182665][T10673]  ? __down_trylock_console_sem (kernel/printk/printk.c:334)
[  624.182667][T10673]  ? vprintk_emit (kernel/printk/printk.c:2478)
[  624.182670][T10673]  vprintk_emit (kernel/printk/printk.c:2479)
[  624.182673][T10673]  ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126))
[  624.182676][T10673]  ? _mutex_trylock_nest_lock (kernel/locking/mutex.c:1227 (discriminator 6))
[  624.182681][T10673]  _printk (kernel/printk/printk.c:2504)
[  624.182684][T10673]  ? snapshot_read.cold (user.c:?)
[  624.182686][T10673]  ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4116 (discriminator 3) kernel/rcu/tree.c:4108 (discriminator 3))
[  624.182688][T10673]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380)
[  624.182691][T10673]  ? validate_chain (kernel/locking/lockdep.c:3817 (discriminator 2) kernel/locking/lockdep.c:3837 (discriminator 2) kernel/locking/lockdep.c:3892 (discriminator 2))
[  624.182693][T10673]  ? netdev_name (./include/linux/netdevice.h:5709 (discriminator 1))
[  624.182697][T10673]  ? __netdev_printk (net/core/dev.c:13148 (discriminator 2))
[  624.182700][T10673]  ? do_setlink.isra.0 (net/core/rtnetlink.c:3246)
[  624.182702][T10673]  netdev_info (net/core/dev.c:13195 (discriminator 3))
[  624.182709][T10673]  ? netdev_notice (net/core/dev.c:13194)
[  624.182712][T10673]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[  624.182715][T10673]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554)
[  624.182717][T10673]  ? mark_held_locks (kernel/locking/lockdep.c:4341)
[  624.182721][T10673]  ? do_setlink.isra.0 (net/core/rtnetlink.c:3246)
[  624.182723][T10673]  netif_change_name.cold (net/core/dev.c:1507 (discriminator 3))
[  624.182725][T10673]  ? register_netdev (net/core/dev.c:11618)
[  624.182727][T10673]  ? 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))
[  624.182732][T10673]  ? netdev_adjacent_rename_links (net/core/dev.c:9598)
[  624.182735][T10673]  ? __kernel_text_address (kernel/extable.c:79)
[  624.182738][T10673]  ? write_profile (profile.c:?)
[  624.182742][T10673]  ? __asan_memset (mm/kasan/shadow.c:84 (discriminator 1))
[  624.182747][T10673]  do_setlink.isra.0 (net/core/rtnetlink.c:3246)
[  624.182751][T10673]  ? stack_trace_save (kernel/stacktrace.c:122 (discriminator 1))
[  624.182753][T10673]  ? rtnl_link_get_size (net/core/rtnetlink.c:747)
[  624.182754][T10673]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:388 kernel/rcu/update.c:380)
[  624.182756][T10673]  ? stack_depot_save_flags (lib/stackdepot.c:609 (discriminator 2) lib/stackdepot.c:676 (discriminator 2))
[  624.182759][T10673]  ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4116 (discriminator 3) kernel/rcu/tree.c:4108 (discriminator 3))
[  624.182761][T10673]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380)
[  624.182763][T10673]  ? validate_chain (kernel/locking/lockdep.c:3817 (discriminator 2) kernel/locking/lockdep.c:3837 (discriminator 2) kernel/locking/lockdep.c:3892 (discriminator 2))
[  624.182766][T10673]  ? kasan_save_stack (mm/kasan/common.c:58)
[  624.182767][T10673]  ? kasan_save_stack (mm/kasan/common.c:57)
[  624.182769][T10673]  ? kasan_save_track (mm/kasan/common.c:78)
[  624.182770][T10673]  ? __kasan_kmalloc (mm/kasan/common.c:398 mm/kasan/common.c:415)
[  624.182772][T10673]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[  624.182774][T10673]  ? snd_ac97_proc_read_main (sound/pci/ac97/ac97_proc.c:320)
[  624.182777][T10673]  ? ___sys_sendmsg (net/socket.c:2758)
[  624.182781][T10673]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2))
[  624.182783][T10673]  ? rtnl_newlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:366 net/core/rtnetlink.c:4214)
[  624.182786][T10673]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  624.182787][T10673]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  624.182789][T10673]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  624.182790][T10673]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  624.182792][T10673]  ? trace_contention_end (./include/trace/events/lock.h:121 (discriminator 22))
[  624.182794][T10673]  ? __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)
[  624.182796][T10673]  ? __mutex_lock (kernel/locking/mutex.c:656 (discriminator 1) kernel/locking/mutex.c:821 (discriminator 1))
[  624.182798][T10673]  ? rtnl_newlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:366 net/core/rtnetlink.c:4214)
[  624.182801][T10673]  ? ww_mutex_lock (kernel/locking/mutex.c:934)
[  624.182802][T10673]  ? nla_get_range_signed (lib/nlattr.c:270)
[  624.182807][T10673]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  624.182809][T10673]  ? __rtnl_newlink (net/core/rtnetlink.c:4063)
[  624.182814][T10673]  rtnl_newlink (net/core/rtnetlink.c:4215)
[  624.182819][T10673]  ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558)
[  624.182821][T10673]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[  624.182826][T10673]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2))
[  624.182828][T10673]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[  624.182830][T10673]  ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558)
[  624.182832][T10673]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554)
[  624.182835][T10673]  ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558)
[  624.182837][T10673]  rtnetlink_rcv_msg (net/core/rtnetlink.c:7132)
[  624.182840][T10673]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[  624.182842][T10673]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[  624.182846][T10673]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2))
[  624.182848][T10673]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[  624.182852][T10673]  netlink_rcv_skb (net/netlink/af_netlink.c:2556)
[  624.182855][T10673]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[  624.182857][T10673]  ? netlink_ack (./include/linux/skbuff.h:2718)
[  624.182864][T10673]  ? 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))
[  624.182866][T10673]  ? 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))
[  624.182870][T10673]  netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[  624.182874][T10673]  ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[  624.182877][T10673]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[  624.182881][T10673]  netlink_sendmsg (net/netlink/af_netlink.c:1900)
[  624.182885][T10673]  ? netlink_unicast (./include/net/net_namespace.h:422 (discriminator 7))
[  624.182888][T10673]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554)
[  624.182890][T10673]  ? __import_iovec (lib/iov_iter.c:1358 lib/iov_iter.c:1373)
[  624.182895][T10673]  __sock_sendmsg (net/socket.c:800 (discriminator 4) net/socket.c:815 (discriminator 4))
[  624.182898][T10673]  ____sys_sendmsg (net/socket.c:2713)
[  624.182900][T10673]  ? copy_msghdr_from_user (net/socket.c:2650)
[  624.182902][T10673]  ? sock_write_iter (net/socket.c:1269)
[  624.182904][T10673]  ? move_addr_to_kernel (net/socket.c:258)
[  624.182911][T10673]  ___sys_sendmsg (net/socket.c:2767)
[  624.182914][T10673]  ? copy_msghdr_from_user (net/socket.c:2619)
[  624.182929][T10673]  __sys_sendmsg (net/socket.c:2799)
[  624.182932][T10673]  ? __sys_sendmsg_sock (net/socket.c:2780)
[  624.182938][T10673]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  624.182941][T10673]  do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84)
[  624.182944][T10673]  ? exc_page_fault (arch/x86/mm/fault.c:1489 (discriminator 3) arch/x86/mm/fault.c:1536 (discriminator 3))
[  624.182947][T10673]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[  624.182949][T10673] RIP: 0033:0x7ff2095eb54e
[  624.182953][T10673] 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
[  624.182955][T10673] RSP: 002b:00007ffec45d7f10 EFLAGS: 00000202 ORIG_RAX: 000000000000002e
[  624.182958][T10673] RAX: ffffffffffffffda RBX: 0000000000000005 RCX: 00007ff2095eb54e
[  624.182959][T10673] RDX: 0000000000000000 RSI: 00007ffec45d7fc0 RDI: 0000000000000005
[  624.182960][T10673] RBP: 00007ffec45d7f20 R08: 0000000000000000 R09: 0000000000000000
[  624.182961][T10673] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a911233
[  624.182962][T10673] R13: 00000000004a1620 R14: 0000000000000000 R15: 00007ffec45d8690
| [  632.766047][T10816] softirqs last disabled at (24226): netif_change_name (./include/linux/spinlock.h:353 ./include/linux/seqlock.h:908 net/core/dev.c:1499)
| [  632.766049][T10816] Preemption disabled at:
| [  632.766050][T10816] vprintk_emit (kernel/printk/printk.c:2471)
| [  632.766059][T10816] Tainted: [W]=WARN
[  632.766060][T10816] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[  632.766061][T10816] Call Trace:
[  632.766063][T10816]  <TASK>
[  632.766064][T10816]  dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120)
[  632.766070][T10816]  ? vprintk_emit (kernel/printk/printk.c:2471)
[  632.766072][T10816]  __might_resched.cold (kernel/sched/core.c:9234)
[  632.766076][T10816]  ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3))
[  632.766080][T10816]  ? __kmalloc_noprof (./include/linux/sched/mm.h:317 mm/slub.c:4636 mm/slub.c:4974 mm/slub.c:5413 mm/slub.c:5439)
[  632.766085][T10816]  __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))
[  632.766087][T10816]  ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[  632.766093][T10816]  ? 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)
[  632.766096][T10816]  alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[  632.766100][T10816]  put_chars (drivers/char/virtio_console.c:1176)
[  632.766102][T10816]  ? __send_to_port (drivers/char/virtio_console.c:654)
[  632.766109][T10816]  hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2))
[  632.766116][T10816]  ? hvc_write (drivers/tty/hvc/hvc_console.c:501)
[  632.766120][T10816]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  632.766124][T10816]  console_emit_next_record (kernel/printk/printk.c:3183)
[  632.766131][T10816]  ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20)
[  632.766133][T10816]  ? 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))
[  632.766136][T10816]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  632.766139][T10816]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  632.766143][T10816]  console_flush_one_record (kernel/printk/printk.c:3268)
[  632.766147][T10816]  ? console_emit_next_record (kernel/printk/printk.c:3150)
[  632.766149][T10816]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[  632.766154][T10816]  console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420)
[  632.766157][T10816]  ? console_flush_one_record (kernel/printk/printk.c:3316)
[  632.766159][T10816]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  632.766161][T10816]  ? 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)
[  632.766165][T10816]  ? __down_trylock_console_sem (kernel/printk/printk.c:334)
[  632.766167][T10816]  ? vprintk_emit (kernel/printk/printk.c:2478)
[  632.766169][T10816]  vprintk_emit (kernel/printk/printk.c:2479)
[  632.766173][T10816]  ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126))
[  632.766175][T10816]  ? _mutex_trylock_nest_lock (kernel/locking/mutex.c:1227 (discriminator 6))
[  632.766180][T10816]  _printk (kernel/printk/printk.c:2504)
[  632.766184][T10816]  ? snapshot_read.cold (user.c:?)
[  632.766186][T10816]  ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4116 (discriminator 3) kernel/rcu/tree.c:4108 (discriminator 3))
[  632.766188][T10816]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380)
[  632.766191][T10816]  ? validate_chain (kernel/locking/lockdep.c:3817 (discriminator 2) kernel/locking/lockdep.c:3837 (discriminator 2) kernel/locking/lockdep.c:3892 (discriminator 2))
[  632.766193][T10816]  ? netdev_name (./include/linux/netdevice.h:5709 (discriminator 1))
[  632.766197][T10816]  ? __netdev_printk (net/core/dev.c:13148 (discriminator 2))
[  632.766200][T10816]  ? do_setlink.isra.0 (net/core/rtnetlink.c:3246)
[  632.766202][T10816]  netdev_info (net/core/dev.c:13195 (discriminator 3))
[  632.766205][T10816]  ? netdev_notice (net/core/dev.c:13194)
[  632.766208][T10816]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[  632.766211][T10816]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554)
[  632.766214][T10816]  ? mark_held_locks (kernel/locking/lockdep.c:4341)
[  632.766217][T10816]  ? do_setlink.isra.0 (net/core/rtnetlink.c:3246)
[  632.766219][T10816]  netif_change_name.cold (net/core/dev.c:1507 (discriminator 3))
[  632.766221][T10816]  ? register_netdev (net/core/dev.c:11618)
[  632.766223][T10816]  ? 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))
[  632.766228][T10816]  ? netdev_adjacent_rename_links (net/core/dev.c:9598)
[  632.766231][T10816]  ? __kernel_text_address (kernel/extable.c:79)
[  632.766233][T10816]  ? write_profile (profile.c:?)
[  632.766237][T10816]  ? __asan_memset (mm/kasan/shadow.c:84 (discriminator 1))
[  632.766243][T10816]  do_setlink.isra.0 (net/core/rtnetlink.c:3246)
[  632.766246][T10816]  ? stack_trace_save (kernel/stacktrace.c:122 (discriminator 1))
[  632.766248][T10816]  ? rtnl_link_get_size (net/core/rtnetlink.c:747)
[  632.766250][T10816]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:388 kernel/rcu/update.c:380)
[  632.766251][T10816]  ? stack_depot_save_flags (lib/stackdepot.c:609 (discriminator 2) lib/stackdepot.c:676 (discriminator 2))
[  632.766255][T10816]  ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4116 (discriminator 3) kernel/rcu/tree.c:4108 (discriminator 3))
[  632.766257][T10816]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380)
[  632.766258][T10816]  ? validate_chain (kernel/locking/lockdep.c:3817 (discriminator 2) kernel/locking/lockdep.c:3837 (discriminator 2) kernel/locking/lockdep.c:3892 (discriminator 2))
[  632.766261][T10816]  ? kasan_save_stack (mm/kasan/common.c:58)
[  632.766263][T10816]  ? kasan_save_stack (mm/kasan/common.c:57)
[  632.766264][T10816]  ? kasan_save_track (mm/kasan/common.c:78)
[  632.766265][T10816]  ? __kasan_kmalloc (mm/kasan/common.c:398 mm/kasan/common.c:415)
[  632.766268][T10816]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[  632.766270][T10816]  ? snd_ac97_proc_read_main (sound/pci/ac97/ac97_proc.c:320)
[  632.766273][T10816]  ? ___sys_sendmsg (net/socket.c:2758)
[  632.766277][T10816]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2))
[  632.766279][T10816]  ? rtnl_newlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:366 net/core/rtnetlink.c:4214)
[  632.766281][T10816]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  632.766283][T10816]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  632.766285][T10816]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  632.766286][T10816]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  632.766287][T10816]  ? trace_contention_end (./include/trace/events/lock.h:121 (discriminator 22))
[  632.766290][T10816]  ? __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)
[  632.766291][T10816]  ? __mutex_lock (kernel/locking/mutex.c:656 (discriminator 1) kernel/locking/mutex.c:821 (discriminator 1))
[  632.766293][T10816]  ? rtnl_newlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:366 net/core/rtnetlink.c:4214)
[  632.766296][T10816]  ? ww_mutex_lock (kernel/locking/mutex.c:934)
[  632.766297][T10816]  ? nla_get_range_signed (lib/nlattr.c:270)
[  632.766302][T10816]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  632.766304][T10816]  ? __rtnl_newlink (net/core/rtnetlink.c:4063)
[  632.766310][T10816]  rtnl_newlink (net/core/rtnetlink.c:4215)
[  632.766315][T10816]  ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558)
[  632.766317][T10816]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[  632.766321][T10816]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2))
[  632.766323][T10816]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[  632.766325][T10816]  ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558)
[  632.766327][T10816]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554)
[  632.766331][T10816]  ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558)
[  632.766333][T10816]  rtnetlink_rcv_msg (net/core/rtnetlink.c:7132)
[  632.766336][T10816]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[  632.766337][T10816]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[  632.766342][T10816]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2))
[  632.766343][T10816]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[  632.766347][T10816]  netlink_rcv_skb (net/netlink/af_netlink.c:2556)
[  632.766350][T10816]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[  632.766353][T10816]  ? netlink_ack (./include/linux/skbuff.h:2718)
[  632.766359][T10816]  ? 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))
[  632.766361][T10816]  ? 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))
[  632.766366][T10816]  netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[  632.766370][T10816]  ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[  632.766373][T10816]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[  632.766377][T10816]  netlink_sendmsg (net/netlink/af_netlink.c:1900)
[  632.766381][T10816]  ? netlink_unicast (./include/net/net_namespace.h:422 (discriminator 7))
[  632.766385][T10816]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554)
[  632.766386][T10816]  ? __import_iovec (lib/iov_iter.c:1358 lib/iov_iter.c:1373)
[  632.766392][T10816]  __sock_sendmsg (net/socket.c:800 (discriminator 4) net/socket.c:815 (discriminator 4))
[  632.766394][T10816]  ____sys_sendmsg (net/socket.c:2713)
[  632.766397][T10816]  ? copy_msghdr_from_user (net/socket.c:2650)
[  632.766399][T10816]  ? sock_write_iter (net/socket.c:1269)
[  632.766400][T10816]  ? move_addr_to_kernel (net/socket.c:258)
[  632.766408][T10816]  ___sys_sendmsg (net/socket.c:2767)
[  632.766410][T10816]  ? copy_msghdr_from_user (net/socket.c:2619)
[  632.766426][T10816]  __sys_sendmsg (net/socket.c:2799)
[  632.766429][T10816]  ? __sys_sendmsg_sock (net/socket.c:2780)
[  632.766435][T10816]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  632.766438][T10816]  do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84)
[  632.766441][T10816]  ? exc_page_fault (arch/x86/mm/fault.c:1489 (discriminator 3) arch/x86/mm/fault.c:1536 (discriminator 3))
[  632.766444][T10816]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[  632.766446][T10816] RIP: 0033:0x7f04cc37f54e
[  632.766450][T10816] 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
[  632.766452][T10816] RSP: 002b:00007ffe83523110 EFLAGS: 00000202 ORIG_RAX: 000000000000002e
[  632.766454][T10816] RAX: ffffffffffffffda RBX: 0000000000000005 RCX: 00007f04cc37f54e
[  632.766456][T10816] RDX: 0000000000000000 RSI: 00007ffe835231c0 RDI: 0000000000000005
[  632.766457][T10816] RBP: 00007ffe83523120 R08: 0000000000000000 R09: 0000000000000000
[  632.766457][T10816] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a91123c
[  632.766458][T10816] R13: 00000000004a1620 R14: 0000000000000000 R15: 00007ffe83523890
| [  641.468713][T10959] softirqs last disabled at (23484): netif_change_name (./include/linux/spinlock.h:353 ./include/linux/seqlock.h:908 net/core/dev.c:1499)
| [  641.468715][T10959] Preemption disabled at:
| [  641.468716][T10959] vprintk_emit (kernel/printk/printk.c:2471)
| [  641.468724][T10959] Tainted: [W]=WARN
[  641.468725][T10959] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[  641.468727][T10959] Call Trace:
[  641.468728][T10959]  <TASK>
[  641.468730][T10959]  dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120)
[  641.468736][T10959]  ? vprintk_emit (kernel/printk/printk.c:2471)
[  641.468737][T10959]  __might_resched.cold (kernel/sched/core.c:9234)
[  641.468741][T10959]  ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3))
[  641.468746][T10959]  ? __kmalloc_noprof (./include/linux/sched/mm.h:317 mm/slub.c:4636 mm/slub.c:4974 mm/slub.c:5413 mm/slub.c:5439)
[  641.468750][T10959]  __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))
[  641.468752][T10959]  ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[  641.468758][T10959]  ? 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)
[  641.468761][T10959]  alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[  641.468770][T10959]  put_chars (drivers/char/virtio_console.c:1176)
[  641.468772][T10959]  ? __send_to_port (drivers/char/virtio_console.c:654)
[  641.468778][T10959]  hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2))
[  641.468786][T10959]  ? hvc_write (drivers/tty/hvc/hvc_console.c:501)
[  641.468789][T10959]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  641.468794][T10959]  console_emit_next_record (kernel/printk/printk.c:3183)
[  641.468798][T10959]  ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20)
[  641.468799][T10959]  ? 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))
[  641.468803][T10959]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  641.468806][T10959]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  641.468810][T10959]  console_flush_one_record (kernel/printk/printk.c:3268)
[  641.468814][T10959]  ? console_emit_next_record (kernel/printk/printk.c:3150)
[  641.468816][T10959]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[  641.468821][T10959]  console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420)
[  641.468824][T10959]  ? console_flush_one_record (kernel/printk/printk.c:3316)
[  641.468826][T10959]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  641.468827][T10959]  ? 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)
[  641.468831][T10959]  ? __down_trylock_console_sem (kernel/printk/printk.c:334)
[  641.468833][T10959]  ? vprintk_emit (kernel/printk/printk.c:2478)
[  641.468835][T10959]  vprintk_emit (kernel/printk/printk.c:2479)
[  641.468839][T10959]  ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126))
[  641.468841][T10959]  ? _mutex_trylock_nest_lock (kernel/locking/mutex.c:1227 (discriminator 6))
[  641.468846][T10959]  _printk (kernel/printk/printk.c:2504)
[  641.468850][T10959]  ? snapshot_read.cold (user.c:?)
[  641.468852][T10959]  ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4116 (discriminator 3) kernel/rcu/tree.c:4108 (discriminator 3))
[  641.468854][T10959]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380)
[  641.468857][T10959]  ? validate_chain (kernel/locking/lockdep.c:3817 (discriminator 2) kernel/locking/lockdep.c:3837 (discriminator 2) kernel/locking/lockdep.c:3892 (discriminator 2))
[  641.468859][T10959]  ? netdev_name (./include/linux/netdevice.h:5709 (discriminator 1))
[  641.468863][T10959]  ? __netdev_printk (net/core/dev.c:13148 (discriminator 2))
[  641.468866][T10959]  ? do_setlink.isra.0 (net/core/rtnetlink.c:3246)
[  641.468868][T10959]  netdev_info (net/core/dev.c:13195 (discriminator 3))
[  641.468871][T10959]  ? netdev_notice (net/core/dev.c:13194)
[  641.468874][T10959]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[  641.468877][T10959]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554)
[  641.468879][T10959]  ? mark_held_locks (kernel/locking/lockdep.c:4341)
[  641.468883][T10959]  ? do_setlink.isra.0 (net/core/rtnetlink.c:3246)
[  641.468885][T10959]  netif_change_name.cold (net/core/dev.c:1507 (discriminator 3))
[  641.468887][T10959]  ? register_netdev (net/core/dev.c:11618)
[  641.468889][T10959]  ? 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))
[  641.468894][T10959]  ? netdev_adjacent_rename_links (net/core/dev.c:9598)
[  641.468897][T10959]  ? __kernel_text_address (kernel/extable.c:79)
[  641.468899][T10959]  ? write_profile (profile.c:?)
[  641.468903][T10959]  ? __asan_memset (mm/kasan/shadow.c:84 (discriminator 1))
[  641.468909][T10959]  do_setlink.isra.0 (net/core/rtnetlink.c:3246)
[  641.468912][T10959]  ? stack_trace_save (kernel/stacktrace.c:122 (discriminator 1))
[  641.468914][T10959]  ? rtnl_link_get_size (net/core/rtnetlink.c:747)
[  641.468916][T10959]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:388 kernel/rcu/update.c:380)
[  641.468917][T10959]  ? stack_depot_save_flags (lib/stackdepot.c:609 (discriminator 2) lib/stackdepot.c:676 (discriminator 2))
[  641.468920][T10959]  ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4116 (discriminator 3) kernel/rcu/tree.c:4108 (discriminator 3))
[  641.468922][T10959]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380)
[  641.468924][T10959]  ? validate_chain (kernel/locking/lockdep.c:3817 (discriminator 2) kernel/locking/lockdep.c:3837 (discriminator 2) kernel/locking/lockdep.c:3892 (discriminator 2))
[  641.468927][T10959]  ? kasan_save_stack (mm/kasan/common.c:58)
[  641.468928][T10959]  ? kasan_save_stack (mm/kasan/common.c:57)
[  641.468930][T10959]  ? kasan_save_track (mm/kasan/common.c:78)
[  641.468931][T10959]  ? __kasan_kmalloc (mm/kasan/common.c:398 mm/kasan/common.c:415)
[  641.468933][T10959]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[  641.468935][T10959]  ? snd_ac97_proc_read_main (sound/pci/ac97/ac97_proc.c:320)
[  641.468938][T10959]  ? ___sys_sendmsg (net/socket.c:2758)
[  641.468942][T10959]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2))
[  641.468944][T10959]  ? rtnl_newlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:366 net/core/rtnetlink.c:4214)
[  641.468947][T10959]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  641.468948][T10959]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  641.468950][T10959]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  641.468951][T10959]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  641.468953][T10959]  ? trace_contention_end (./include/trace/events/lock.h:121 (discriminator 22))
[  641.468955][T10959]  ? __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)
[  641.468956][T10959]  ? __mutex_lock (kernel/locking/mutex.c:656 (discriminator 1) kernel/locking/mutex.c:821 (discriminator 1))
[  641.468958][T10959]  ? rtnl_newlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:366 net/core/rtnetlink.c:4214)
[  641.468961][T10959]  ? ww_mutex_lock (kernel/locking/mutex.c:934)
[  641.468963][T10959]  ? nla_get_range_signed (lib/nlattr.c:270)
[  641.468967][T10959]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  641.468970][T10959]  ? __rtnl_newlink (net/core/rtnetlink.c:4063)
[  641.468975][T10959]  rtnl_newlink (net/core/rtnetlink.c:4215)
[  641.468980][T10959]  ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558)
[  641.468982][T10959]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[  641.468986][T10959]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2))
[  641.468988][T10959]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[  641.468990][T10959]  ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558)
[  641.468992][T10959]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554)
[  641.468996][T10959]  ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558)
[  641.468998][T10959]  rtnetlink_rcv_msg (net/core/rtnetlink.c:7132)
[  641.469001][T10959]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[  641.469002][T10959]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[  641.469007][T10959]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2))
[  641.469008][T10959]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[  641.469012][T10959]  netlink_rcv_skb (net/netlink/af_netlink.c:2556)
[  641.469016][T10959]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[  641.469019][T10959]  ? netlink_ack (./include/linux/skbuff.h:2718)
[  641.469025][T10959]  ? 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))
[  641.469027][T10959]  ? 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))
[  641.469032][T10959]  netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[  641.469036][T10959]  ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[  641.469038][T10959]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[  641.469042][T10959]  netlink_sendmsg (net/netlink/af_netlink.c:1900)
[  641.469046][T10959]  ? netlink_unicast (./include/net/net_namespace.h:422 (discriminator 7))
[  641.469050][T10959]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554)
[  641.469052][T10959]  ? __import_iovec (lib/iov_iter.c:1358 lib/iov_iter.c:1373)
[  641.469057][T10959]  __sock_sendmsg (net/socket.c:800 (discriminator 4) net/socket.c:815 (discriminator 4))
[  641.469060][T10959]  ____sys_sendmsg (net/socket.c:2713)
[  641.469062][T10959]  ? copy_msghdr_from_user (net/socket.c:2650)
[  641.469064][T10959]  ? sock_write_iter (net/socket.c:1269)
[  641.469066][T10959]  ? move_addr_to_kernel (net/socket.c:258)
[  641.469073][T10959]  ___sys_sendmsg (net/socket.c:2767)
[  641.469076][T10959]  ? copy_msghdr_from_user (net/socket.c:2619)
[  641.469091][T10959]  __sys_sendmsg (net/socket.c:2799)
[  641.469094][T10959]  ? __sys_sendmsg_sock (net/socket.c:2780)
[  641.469100][T10959]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  641.469103][T10959]  do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84)
[  641.469106][T10959]  ? exc_page_fault (arch/x86/mm/fault.c:1489 (discriminator 3) arch/x86/mm/fault.c:1536 (discriminator 3))
[  641.469109][T10959]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[  641.469111][T10959] RIP: 0033:0x7f2f9234554e
[  641.469115][T10959] 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
[  641.469117][T10959] RSP: 002b:00007ffc5165ba90 EFLAGS: 00000202 ORIG_RAX: 000000000000002e
[  641.469120][T10959] RAX: ffffffffffffffda RBX: 0000000000000005 RCX: 00007f2f9234554e
[  641.469121][T10959] RDX: 0000000000000000 RSI: 00007ffc5165bb40 RDI: 0000000000000005
[  641.469122][T10959] RBP: 00007ffc5165baa0 R08: 0000000000000000 R09: 0000000000000000
[  641.469123][T10959] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a911244
[  641.469124][T10959] R13: 00000000004a1620 R14: 0000000000000000 R15: 00007ffc5165c210
| [  650.169788][T11102] softirqs last disabled at (17828): netif_change_name (./include/linux/spinlock.h:353 ./include/linux/seqlock.h:908 net/core/dev.c:1499)
| [  650.169791][T11102] Preemption disabled at:
| [  650.169791][T11102] vprintk_emit (kernel/printk/printk.c:2471)
| [  650.169805][T11102] Tainted: [W]=WARN
[  650.169806][T11102] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[  650.169808][T11102] Call Trace:
[  650.169810][T11102]  <TASK>
[  650.169811][T11102]  dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120)
[  650.169817][T11102]  ? vprintk_emit (kernel/printk/printk.c:2471)
[  650.169818][T11102]  __might_resched.cold (kernel/sched/core.c:9234)
[  650.169823][T11102]  ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3))
[  650.169827][T11102]  ? __kmalloc_noprof (./include/linux/sched/mm.h:317 mm/slub.c:4636 mm/slub.c:4974 mm/slub.c:5413 mm/slub.c:5439)
[  650.169831][T11102]  __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))
[  650.169833][T11102]  ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[  650.169839][T11102]  ? 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)
[  650.169842][T11102]  alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[  650.169846][T11102]  put_chars (drivers/char/virtio_console.c:1176)
[  650.169849][T11102]  ? __send_to_port (drivers/char/virtio_console.c:654)
[  650.169855][T11102]  hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2))
[  650.169862][T11102]  ? hvc_write (drivers/tty/hvc/hvc_console.c:501)
[  650.169866][T11102]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  650.169870][T11102]  console_emit_next_record (kernel/printk/printk.c:3183)
[  650.169874][T11102]  ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20)
[  650.169876][T11102]  ? 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))
[  650.169879][T11102]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  650.169881][T11102]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  650.169885][T11102]  console_flush_one_record (kernel/printk/printk.c:3268)
[  650.169889][T11102]  ? console_emit_next_record (kernel/printk/printk.c:3150)
[  650.169891][T11102]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[  650.169896][T11102]  console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420)
[  650.169899][T11102]  ? console_flush_one_record (kernel/printk/printk.c:3316)
[  650.169901][T11102]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  650.169903][T11102]  ? 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)
[  650.169906][T11102]  ? __down_trylock_console_sem (kernel/printk/printk.c:334)
[  650.169908][T11102]  ? vprintk_emit (kernel/printk/printk.c:2478)
[  650.169911][T11102]  vprintk_emit (kernel/printk/printk.c:2479)
[  650.169914][T11102]  ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126))
[  650.169917][T11102]  ? _mutex_trylock_nest_lock (kernel/locking/mutex.c:1227 (discriminator 6))
[  650.169921][T11102]  _printk (kernel/printk/printk.c:2504)
[  650.169925][T11102]  ? snapshot_read.cold (user.c:?)
[  650.169926][T11102]  ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4116 (discriminator 3) kernel/rcu/tree.c:4108 (discriminator 3))
[  650.169929][T11102]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380)
[  650.169932][T11102]  ? validate_chain (kernel/locking/lockdep.c:3817 (discriminator 2) kernel/locking/lockdep.c:3837 (discriminator 2) kernel/locking/lockdep.c:3892 (discriminator 2))
[  650.169934][T11102]  ? netdev_name (./include/linux/netdevice.h:5709 (discriminator 1))
[  650.169937][T11102]  ? __netdev_printk (net/core/dev.c:13148 (discriminator 2))
[  650.169940][T11102]  ? do_setlink.isra.0 (net/core/rtnetlink.c:3246)
[  650.169942][T11102]  netdev_info (net/core/dev.c:13195 (discriminator 3))
[  650.169945][T11102]  ? netdev_notice (net/core/dev.c:13194)
[  650.169948][T11102]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[  650.169951][T11102]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554)
[  650.169953][T11102]  ? mark_held_locks (kernel/locking/lockdep.c:4341)
[  650.169957][T11102]  ? do_setlink.isra.0 (net/core/rtnetlink.c:3246)
[  650.169959][T11102]  netif_change_name.cold (net/core/dev.c:1507 (discriminator 3))
[  650.169961][T11102]  ? register_netdev (net/core/dev.c:11618)
[  650.169962][T11102]  ? 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))
[  650.169968][T11102]  ? netdev_adjacent_rename_links (net/core/dev.c:9598)
[  650.169970][T11102]  ? __kernel_text_address (kernel/extable.c:79)
[  650.169973][T11102]  ? write_profile (profile.c:?)
[  650.169977][T11102]  ? __asan_memset (mm/kasan/shadow.c:84 (discriminator 1))
[  650.169982][T11102]  do_setlink.isra.0 (net/core/rtnetlink.c:3246)
[  650.169985][T11102]  ? stack_trace_save (kernel/stacktrace.c:122 (discriminator 1))
[  650.169988][T11102]  ? rtnl_link_get_size (net/core/rtnetlink.c:747)
[  650.169989][T11102]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:388 kernel/rcu/update.c:380)
[  650.169991][T11102]  ? stack_depot_save_flags (lib/stackdepot.c:609 (discriminator 2) lib/stackdepot.c:676 (discriminator 2))
[  650.169994][T11102]  ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4116 (discriminator 3) kernel/rcu/tree.c:4108 (discriminator 3))
[  650.169996][T11102]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380)
[  650.169998][T11102]  ? validate_chain (kernel/locking/lockdep.c:3817 (discriminator 2) kernel/locking/lockdep.c:3837 (discriminator 2) kernel/locking/lockdep.c:3892 (discriminator 2))
[  650.170000][T11102]  ? kasan_save_stack (mm/kasan/common.c:58)
[  650.170002][T11102]  ? kasan_save_stack (mm/kasan/common.c:57)
[  650.170003][T11102]  ? kasan_save_track (mm/kasan/common.c:78)
[  650.170004][T11102]  ? __kasan_kmalloc (mm/kasan/common.c:398 mm/kasan/common.c:415)
[  650.170007][T11102]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[  650.170008][T11102]  ? snd_ac97_proc_read_main (sound/pci/ac97/ac97_proc.c:320)
[  650.170012][T11102]  ? ___sys_sendmsg (net/socket.c:2758)
[  650.170015][T11102]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2))
[  650.170017][T11102]  ? rtnl_newlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:366 net/core/rtnetlink.c:4214)
[  650.170020][T11102]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  650.170022][T11102]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  650.170023][T11102]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  650.170024][T11102]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  650.170026][T11102]  ? trace_contention_end (./include/trace/events/lock.h:121 (discriminator 22))
[  650.170028][T11102]  ? __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)
[  650.170029][T11102]  ? __mutex_lock (kernel/locking/mutex.c:656 (discriminator 1) kernel/locking/mutex.c:821 (discriminator 1))
[  650.170031][T11102]  ? rtnl_newlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:366 net/core/rtnetlink.c:4214)
[  650.170034][T11102]  ? ww_mutex_lock (kernel/locking/mutex.c:934)
[  650.170036][T11102]  ? nla_get_range_signed (lib/nlattr.c:270)
[  650.170041][T11102]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  650.170043][T11102]  ? __rtnl_newlink (net/core/rtnetlink.c:4063)
[  650.170048][T11102]  rtnl_newlink (net/core/rtnetlink.c:4215)
[  650.170053][T11102]  ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558)
[  650.170055][T11102]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[  650.170059][T11102]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2))
[  650.170061][T11102]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[  650.170063][T11102]  ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558)
[  650.170065][T11102]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554)
[  650.170069][T11102]  ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558)
[  650.170071][T11102]  rtnetlink_rcv_msg (net/core/rtnetlink.c:7132)
[  650.170074][T11102]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[  650.170075][T11102]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[  650.170080][T11102]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2))
[  650.170082][T11102]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[  650.170085][T11102]  netlink_rcv_skb (net/netlink/af_netlink.c:2556)
[  650.170088][T11102]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[  650.170091][T11102]  ? netlink_ack (./include/linux/skbuff.h:2718)
[  650.170097][T11102]  ? 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))
[  650.170099][T11102]  ? 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))
[  650.170104][T11102]  netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[  650.170108][T11102]  ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[  650.170110][T11102]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[  650.170114][T11102]  netlink_sendmsg (net/netlink/af_netlink.c:1900)
[  650.170118][T11102]  ? netlink_unicast (./include/net/net_namespace.h:422 (discriminator 7))
[  650.170122][T11102]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554)
[  650.170124][T11102]  ? __import_iovec (lib/iov_iter.c:1358 lib/iov_iter.c:1373)
[  650.170131][T11102]  __sock_sendmsg (net/socket.c:800 (discriminator 4) net/socket.c:815 (discriminator 4))
[  650.170134][T11102]  ____sys_sendmsg (net/socket.c:2713)
[  650.170137][T11102]  ? copy_msghdr_from_user (net/socket.c:2650)
[  650.170139][T11102]  ? sock_write_iter (net/socket.c:1269)
[  650.170140][T11102]  ? move_addr_to_kernel (net/socket.c:258)
[  650.170148][T11102]  ___sys_sendmsg (net/socket.c:2767)
[  650.170150][T11102]  ? copy_msghdr_from_user (net/socket.c:2619)
[  650.170166][T11102]  __sys_sendmsg (net/socket.c:2799)
[  650.170169][T11102]  ? __sys_sendmsg_sock (net/socket.c:2780)
[  650.170175][T11102]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  650.170178][T11102]  do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84)
[  650.170181][T11102]  ? exc_page_fault (arch/x86/mm/fault.c:1489 (discriminator 3) arch/x86/mm/fault.c:1536 (discriminator 3))
[  650.170184][T11102]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[  650.170186][T11102] RIP: 0033:0x7fc84752b54e
[  650.170190][T11102] 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
[  650.170192][T11102] RSP: 002b:00007ffc9334d8f0 EFLAGS: 00000202 ORIG_RAX: 000000000000002e
[  650.170194][T11102] RAX: ffffffffffffffda RBX: 0000000000000005 RCX: 00007fc84752b54e
[  650.170196][T11102] RDX: 0000000000000000 RSI: 00007ffc9334d9a0 RDI: 0000000000000005
[  650.170197][T11102] RBP: 00007ffc9334d900 R08: 0000000000000000 R09: 0000000000000000
[  650.170197][T11102] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a91124d
[  650.170198][T11102] R13: 00000000004a1620 R14: 0000000000000000 R15: 00007ffc9334e070
| [  658.812720][T11245] softirqs last disabled at (27350): netif_change_name (./include/linux/spinlock.h:353 ./include/linux/seqlock.h:908 net/core/dev.c:1499)
| [  658.812722][T11245] Preemption disabled at:
| [  658.812723][T11245] vprintk_emit (kernel/printk/printk.c:2471)
| [  658.812731][T11245] Tainted: [W]=WARN
[  658.812732][T11245] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[  658.812734][T11245] Call Trace:
[  658.812736][T11245]  <TASK>
[  658.812737][T11245]  dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120)
[  658.812743][T11245]  ? vprintk_emit (kernel/printk/printk.c:2471)
[  658.812745][T11245]  __might_resched.cold (kernel/sched/core.c:9234)
[  658.812749][T11245]  ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3))
[  658.812753][T11245]  ? __kmalloc_noprof (./include/linux/sched/mm.h:317 mm/slub.c:4636 mm/slub.c:4974 mm/slub.c:5413 mm/slub.c:5439)
[  658.812757][T11245]  __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))
[  658.812759][T11245]  ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[  658.812766][T11245]  ? 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)
[  658.812769][T11245]  alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[  658.812772][T11245]  put_chars (drivers/char/virtio_console.c:1176)
[  658.812775][T11245]  ? __send_to_port (drivers/char/virtio_console.c:654)
[  658.812781][T11245]  hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2))
[  658.812789][T11245]  ? hvc_write (drivers/tty/hvc/hvc_console.c:501)
[  658.812792][T11245]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  658.812797][T11245]  console_emit_next_record (kernel/printk/printk.c:3183)
[  658.812801][T11245]  ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20)
[  658.812802][T11245]  ? 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))
[  658.812806][T11245]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  658.812809][T11245]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  658.812813][T11245]  console_flush_one_record (kernel/printk/printk.c:3268)
[  658.812817][T11245]  ? console_emit_next_record (kernel/printk/printk.c:3150)
[  658.812819][T11245]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[  658.812824][T11245]  console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420)
[  658.812831][T11245]  ? console_flush_one_record (kernel/printk/printk.c:3316)
[  658.812833][T11245]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  658.812835][T11245]  ? 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)
[  658.812838][T11245]  ? __down_trylock_console_sem (kernel/printk/printk.c:334)
[  658.812840][T11245]  ? vprintk_emit (kernel/printk/printk.c:2478)
[  658.812843][T11245]  vprintk_emit (kernel/printk/printk.c:2479)
[  658.812846][T11245]  ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126))
[  658.812849][T11245]  ? _mutex_trylock_nest_lock (kernel/locking/mutex.c:1227 (discriminator 6))
[  658.812854][T11245]  _printk (kernel/printk/printk.c:2504)
[  658.812858][T11245]  ? snapshot_read.cold (user.c:?)
[  658.812859][T11245]  ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4116 (discriminator 3) kernel/rcu/tree.c:4108 (discriminator 3))
[  658.812862][T11245]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380)
[  658.812865][T11245]  ? validate_chain (kernel/locking/lockdep.c:3817 (discriminator 2) kernel/locking/lockdep.c:3837 (discriminator 2) kernel/locking/lockdep.c:3892 (discriminator 2))
[  658.812867][T11245]  ? netdev_name (./include/linux/netdevice.h:5709 (discriminator 1))
[  658.812871][T11245]  ? __netdev_printk (net/core/dev.c:13148 (discriminator 2))
[  658.812874][T11245]  ? do_setlink.isra.0 (net/core/rtnetlink.c:3246)
[  658.812876][T11245]  netdev_info (net/core/dev.c:13195 (discriminator 3))
[  658.812879][T11245]  ? netdev_notice (net/core/dev.c:13194)
[  658.812882][T11245]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[  658.812885][T11245]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554)
[  658.812888][T11245]  ? mark_held_locks (kernel/locking/lockdep.c:4341)
[  658.812891][T11245]  ? do_setlink.isra.0 (net/core/rtnetlink.c:3246)
[  658.812893][T11245]  netif_change_name.cold (net/core/dev.c:1507 (discriminator 3))
[  658.812895][T11245]  ? register_netdev (net/core/dev.c:11618)
[  658.812897][T11245]  ? 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))
[  658.812902][T11245]  ? netdev_adjacent_rename_links (net/core/dev.c:9598)
[  658.812905][T11245]  ? __kernel_text_address (kernel/extable.c:79)
[  658.812907][T11245]  ? write_profile (profile.c:?)
[  658.812912][T11245]  ? __asan_memset (mm/kasan/shadow.c:84 (discriminator 1))
[  658.812917][T11245]  do_setlink.isra.0 (net/core/rtnetlink.c:3246)
[  658.812921][T11245]  ? stack_trace_save (kernel/stacktrace.c:122 (discriminator 1))
[  658.812923][T11245]  ? rtnl_link_get_size (net/core/rtnetlink.c:747)
[  658.812924][T11245]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:388 kernel/rcu/update.c:380)
[  658.812926][T11245]  ? stack_depot_save_flags (lib/stackdepot.c:609 (discriminator 2) lib/stackdepot.c:676 (discriminator 2))
[  658.812930][T11245]  ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4116 (discriminator 3) kernel/rcu/tree.c:4108 (discriminator 3))
[  658.812932][T11245]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380)
[  658.812933][T11245]  ? validate_chain (kernel/locking/lockdep.c:3817 (discriminator 2) kernel/locking/lockdep.c:3837 (discriminator 2) kernel/locking/lockdep.c:3892 (discriminator 2))
[  658.812936][T11245]  ? kasan_save_stack (mm/kasan/common.c:58)
[  658.812938][T11245]  ? kasan_save_stack (mm/kasan/common.c:57)
[  658.812939][T11245]  ? kasan_save_track (mm/kasan/common.c:78)
[  658.812940][T11245]  ? __kasan_kmalloc (mm/kasan/common.c:398 mm/kasan/common.c:415)
[  658.812942][T11245]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[  658.812944][T11245]  ? snd_ac97_proc_read_main (sound/pci/ac97/ac97_proc.c:320)
[  658.812948][T11245]  ? ___sys_sendmsg (net/socket.c:2758)
[  658.812951][T11245]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2))
[  658.812953][T11245]  ? rtnl_newlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:366 net/core/rtnetlink.c:4214)
[  658.812956][T11245]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  658.812958][T11245]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  658.812959][T11245]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  658.812961][T11245]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  658.812962][T11245]  ? trace_contention_end (./include/trace/events/lock.h:121 (discriminator 22))
[  658.812965][T11245]  ? __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)
[  658.812966][T11245]  ? __mutex_lock (kernel/locking/mutex.c:656 (discriminator 1) kernel/locking/mutex.c:821 (discriminator 1))
[  658.812968][T11245]  ? rtnl_newlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:366 net/core/rtnetlink.c:4214)
[  658.812971][T11245]  ? ww_mutex_lock (kernel/locking/mutex.c:934)
[  658.812972][T11245]  ? nla_get_range_signed (lib/nlattr.c:270)
[  658.812978][T11245]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  658.812980][T11245]  ? __rtnl_newlink (net/core/rtnetlink.c:4063)
[  658.812985][T11245]  rtnl_newlink (net/core/rtnetlink.c:4215)
[  658.812990][T11245]  ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558)
[  658.812992][T11245]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[  658.812997][T11245]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2))
[  658.812999][T11245]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[  658.813000][T11245]  ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558)
[  658.813002][T11245]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554)
[  658.813006][T11245]  ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558)
[  658.813008][T11245]  rtnetlink_rcv_msg (net/core/rtnetlink.c:7132)
[  658.813011][T11245]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[  658.813012][T11245]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[  658.813017][T11245]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2))
[  658.813019][T11245]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[  658.813022][T11245]  netlink_rcv_skb (net/netlink/af_netlink.c:2556)
[  658.813026][T11245]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[  658.813028][T11245]  ? netlink_ack (./include/linux/skbuff.h:2718)
[  658.813035][T11245]  ? 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))
[  658.813037][T11245]  ? 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))
[  658.813041][T11245]  netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[  658.813045][T11245]  ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[  658.813048][T11245]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[  658.813052][T11245]  netlink_sendmsg (net/netlink/af_netlink.c:1900)
[  658.813056][T11245]  ? netlink_unicast (./include/net/net_namespace.h:422 (discriminator 7))
[  658.813060][T11245]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554)
[  658.813061][T11245]  ? __import_iovec (lib/iov_iter.c:1358 lib/iov_iter.c:1373)
[  658.813067][T11245]  __sock_sendmsg (net/socket.c:800 (discriminator 4) net/socket.c:815 (discriminator 4))
[  658.813069][T11245]  ____sys_sendmsg (net/socket.c:2713)
[  658.813072][T11245]  ? copy_msghdr_from_user (net/socket.c:2650)
[  658.813074][T11245]  ? sock_write_iter (net/socket.c:1269)
[  658.813075][T11245]  ? move_addr_to_kernel (net/socket.c:258)
[  658.813083][T11245]  ___sys_sendmsg (net/socket.c:2767)
[  658.813085][T11245]  ? copy_msghdr_from_user (net/socket.c:2619)
[  658.813101][T11245]  __sys_sendmsg (net/socket.c:2799)
[  658.813104][T11245]  ? __sys_sendmsg_sock (net/socket.c:2780)
[  658.813110][T11245]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  658.813113][T11245]  do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84)
[  658.813116][T11245]  ? exc_page_fault (arch/x86/mm/fault.c:1489 (discriminator 3) arch/x86/mm/fault.c:1536 (discriminator 3))
[  658.813119][T11245]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[  658.813121][T11245] RIP: 0033:0x7f3c3ab7454e
[  658.813125][T11245] 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
[  658.813130][T11245] RSP: 002b:00007ffe76a06020 EFLAGS: 00000202 ORIG_RAX: 000000000000002e
[  658.813133][T11245] RAX: ffffffffffffffda RBX: 0000000000000005 RCX: 00007f3c3ab7454e
[  658.813134][T11245] RDX: 0000000000000000 RSI: 00007ffe76a060d0 RDI: 0000000000000005
[  658.813135][T11245] RBP: 00007ffe76a06030 R08: 0000000000000000 R09: 0000000000000000
[  658.813136][T11245] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a911256
[  658.813137][T11245] R13: 00000000004a1620 R14: 0000000000000000 R15: 00007ffe76a067a0
| [  667.717912][T11388] softirqs last disabled at (17810): netif_change_name (./include/linux/spinlock.h:353 ./include/linux/seqlock.h:908 net/core/dev.c:1499)
| [  667.717914][T11388] Preemption disabled at:
| [  667.717915][T11388] vprintk_emit (kernel/printk/printk.c:2471)
| [  667.717924][T11388] Tainted: [W]=WARN
[  667.717925][T11388] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[  667.717926][T11388] Call Trace:
[  667.717928][T11388]  <TASK>
[  667.717929][T11388]  dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120)
[  667.717935][T11388]  ? vprintk_emit (kernel/printk/printk.c:2471)
[  667.717937][T11388]  __might_resched.cold (kernel/sched/core.c:9234)
[  667.717942][T11388]  ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3))
[  667.717946][T11388]  ? __kmalloc_noprof (./include/linux/sched/mm.h:317 mm/slub.c:4636 mm/slub.c:4974 mm/slub.c:5413 mm/slub.c:5439)
[  667.717950][T11388]  __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))
[  667.717952][T11388]  ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[  667.717960][T11388]  ? 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)
[  667.717962][T11388]  alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[  667.717966][T11388]  put_chars (drivers/char/virtio_console.c:1176)
[  667.717969][T11388]  ? __send_to_port (drivers/char/virtio_console.c:654)
[  667.717975][T11388]  hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2))
[  667.717983][T11388]  ? hvc_write (drivers/tty/hvc/hvc_console.c:501)
[  667.717986][T11388]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  667.717991][T11388]  console_emit_next_record (kernel/printk/printk.c:3183)
[  667.717995][T11388]  ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20)
[  667.717997][T11388]  ? 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))
[  667.718001][T11388]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  667.718003][T11388]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  667.718008][T11388]  console_flush_one_record (kernel/printk/printk.c:3268)
[  667.718012][T11388]  ? console_emit_next_record (kernel/printk/printk.c:3150)
[  667.718014][T11388]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[  667.718020][T11388]  console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420)
[  667.718022][T11388]  ? console_flush_one_record (kernel/printk/printk.c:3316)
[  667.718024][T11388]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  667.718026][T11388]  ? 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)
[  667.718030][T11388]  ? __down_trylock_console_sem (kernel/printk/printk.c:334)
[  667.718032][T11388]  ? vprintk_emit (kernel/printk/printk.c:2478)
[  667.718035][T11388]  vprintk_emit (kernel/printk/printk.c:2479)
[  667.718038][T11388]  ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126))
[  667.718041][T11388]  ? _mutex_trylock_nest_lock (kernel/locking/mutex.c:1227 (discriminator 6))
[  667.718046][T11388]  _printk (kernel/printk/printk.c:2504)
[  667.718050][T11388]  ? snapshot_read.cold (user.c:?)
[  667.718051][T11388]  ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4116 (discriminator 3) kernel/rcu/tree.c:4108 (discriminator 3))
[  667.718054][T11388]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380)
[  667.718057][T11388]  ? validate_chain (kernel/locking/lockdep.c:3817 (discriminator 2) kernel/locking/lockdep.c:3837 (discriminator 2) kernel/locking/lockdep.c:3892 (discriminator 2))
[  667.718060][T11388]  ? netdev_name (./include/linux/netdevice.h:5709 (discriminator 1))
[  667.718064][T11388]  ? __netdev_printk (net/core/dev.c:13148 (discriminator 2))
[  667.718067][T11388]  ? do_setlink.isra.0 (net/core/rtnetlink.c:3246)
[  667.718069][T11388]  netdev_info (net/core/dev.c:13195 (discriminator 3))
[  667.718072][T11388]  ? netdev_notice (net/core/dev.c:13194)
[  667.718075][T11388]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[  667.718078][T11388]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554)
[  667.718081][T11388]  ? mark_held_locks (kernel/locking/lockdep.c:4341)
[  667.718084][T11388]  ? do_setlink.isra.0 (net/core/rtnetlink.c:3246)
[  667.718086][T11388]  netif_change_name.cold (net/core/dev.c:1507 (discriminator 3))
[  667.718089][T11388]  ? register_netdev (net/core/dev.c:11618)
[  667.718090][T11388]  ? 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))
[  667.718096][T11388]  ? netdev_adjacent_rename_links (net/core/dev.c:9598)
[  667.718098][T11388]  ? __kernel_text_address (kernel/extable.c:79)
[  667.718101][T11388]  ? write_profile (profile.c:?)
[  667.718105][T11388]  ? __asan_memset (mm/kasan/shadow.c:84 (discriminator 1))
[  667.718111][T11388]  do_setlink.isra.0 (net/core/rtnetlink.c:3246)
[  667.718115][T11388]  ? stack_trace_save (kernel/stacktrace.c:122 (discriminator 1))
[  667.718117][T11388]  ? rtnl_link_get_size (net/core/rtnetlink.c:747)
[  667.718118][T11388]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:388 kernel/rcu/update.c:380)
[  667.718120][T11388]  ? stack_depot_save_flags (lib/stackdepot.c:609 (discriminator 2) lib/stackdepot.c:676 (discriminator 2))
[  667.718124][T11388]  ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4116 (discriminator 3) kernel/rcu/tree.c:4108 (discriminator 3))
[  667.718126][T11388]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380)
[  667.718131][T11388]  ? validate_chain (kernel/locking/lockdep.c:3817 (discriminator 2) kernel/locking/lockdep.c:3837 (discriminator 2) kernel/locking/lockdep.c:3892 (discriminator 2))
[  667.718133][T11388]  ? kasan_save_stack (mm/kasan/common.c:58)
[  667.718135][T11388]  ? kasan_save_stack (mm/kasan/common.c:57)
[  667.718137][T11388]  ? kasan_save_track (mm/kasan/common.c:78)
[  667.718138][T11388]  ? __kasan_kmalloc (mm/kasan/common.c:398 mm/kasan/common.c:415)
[  667.718141][T11388]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[  667.718143][T11388]  ? snd_ac97_proc_read_main (sound/pci/ac97/ac97_proc.c:320)
[  667.718146][T11388]  ? ___sys_sendmsg (net/socket.c:2758)
[  667.718150][T11388]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2))
[  667.718152][T11388]  ? rtnl_newlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:366 net/core/rtnetlink.c:4214)
[  667.718155][T11388]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  667.718157][T11388]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  667.718158][T11388]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  667.718160][T11388]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  667.718161][T11388]  ? trace_contention_end (./include/trace/events/lock.h:121 (discriminator 22))
[  667.718164][T11388]  ? __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)
[  667.718165][T11388]  ? __mutex_lock (kernel/locking/mutex.c:656 (discriminator 1) kernel/locking/mutex.c:821 (discriminator 1))
[  667.718167][T11388]  ? rtnl_newlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:366 net/core/rtnetlink.c:4214)
[  667.718171][T11388]  ? ww_mutex_lock (kernel/locking/mutex.c:934)
[  667.718172][T11388]  ? nla_get_range_signed (lib/nlattr.c:270)
[  667.718177][T11388]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  667.718179][T11388]  ? __rtnl_newlink (net/core/rtnetlink.c:4063)
[  667.718185][T11388]  rtnl_newlink (net/core/rtnetlink.c:4215)
[  667.718190][T11388]  ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558)
[  667.718192][T11388]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[  667.718197][T11388]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2))
[  667.718199][T11388]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[  667.718201][T11388]  ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558)
[  667.718203][T11388]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554)
[  667.718207][T11388]  ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558)
[  667.718209][T11388]  rtnetlink_rcv_msg (net/core/rtnetlink.c:7132)
[  667.718212][T11388]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[  667.718214][T11388]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[  667.718218][T11388]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2))
[  667.718221][T11388]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[  667.718224][T11388]  netlink_rcv_skb (net/netlink/af_netlink.c:2556)
[  667.718227][T11388]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[  667.718230][T11388]  ? netlink_ack (./include/linux/skbuff.h:2718)
[  667.718237][T11388]  ? 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))
[  667.718239][T11388]  ? 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))
[  667.718244][T11388]  netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[  667.718248][T11388]  ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[  667.718251][T11388]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[  667.718255][T11388]  netlink_sendmsg (net/netlink/af_netlink.c:1900)
[  667.718260][T11388]  ? netlink_unicast (./include/net/net_namespace.h:422 (discriminator 7))
[  667.718264][T11388]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554)
[  667.718265][T11388]  ? __import_iovec (lib/iov_iter.c:1358 lib/iov_iter.c:1373)
[  667.718271][T11388]  __sock_sendmsg (net/socket.c:800 (discriminator 4) net/socket.c:815 (discriminator 4))
[  667.718274][T11388]  ____sys_sendmsg (net/socket.c:2713)
[  667.718276][T11388]  ? copy_msghdr_from_user (net/socket.c:2650)
[  667.718279][T11388]  ? sock_write_iter (net/socket.c:1269)
[  667.718281][T11388]  ? move_addr_to_kernel (net/socket.c:258)
[  667.718288][T11388]  ___sys_sendmsg (net/socket.c:2767)
[  667.718291][T11388]  ? copy_msghdr_from_user (net/socket.c:2619)
[  667.718308][T11388]  __sys_sendmsg (net/socket.c:2799)
[  667.718311][T11388]  ? __sys_sendmsg_sock (net/socket.c:2780)
[  667.718318][T11388]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  667.718321][T11388]  do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84)
[  667.718324][T11388]  ? exc_page_fault (arch/x86/mm/fault.c:1489 (discriminator 3) arch/x86/mm/fault.c:1536 (discriminator 3))
[  667.718327][T11388]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[  667.718329][T11388] RIP: 0033:0x7fb5cfdc754e
[  667.718333][T11388] 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
[  667.718335][T11388] RSP: 002b:00007fff4f3dc270 EFLAGS: 00000202 ORIG_RAX: 000000000000002e
[  667.718338][T11388] RAX: ffffffffffffffda RBX: 0000000000000005 RCX: 00007fb5cfdc754e
[  667.718340][T11388] RDX: 0000000000000000 RSI: 00007fff4f3dc320 RDI: 0000000000000005
[  667.718341][T11388] RBP: 00007fff4f3dc280 R08: 0000000000000000 R09: 0000000000000000
[  667.718342][T11388] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a91125f
[  667.718343][T11388] R13: 00000000004a1620 R14: 0000000000000000 R15: 00007fff4f3dc9f0
| [  676.439725][T11531] softirqs last disabled at (19362): netif_change_name (./include/linux/spinlock.h:353 ./include/linux/seqlock.h:908 net/core/dev.c:1499)
| [  676.439727][T11531] Preemption disabled at:
| [  676.439728][T11531] vprintk_emit (kernel/printk/printk.c:2471)
| [  676.439737][T11531] Tainted: [W]=WARN
[  676.439738][T11531] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[  676.439739][T11531] Call Trace:
[  676.439741][T11531]  <TASK>
[  676.439743][T11531]  dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120)
[  676.439749][T11531]  ? vprintk_emit (kernel/printk/printk.c:2471)
[  676.439750][T11531]  __might_resched.cold (kernel/sched/core.c:9234)
[  676.439755][T11531]  ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3))
[  676.439759][T11531]  ? __kmalloc_noprof (./include/linux/sched/mm.h:317 mm/slub.c:4636 mm/slub.c:4974 mm/slub.c:5413 mm/slub.c:5439)
[  676.439763][T11531]  __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))
[  676.439765][T11531]  ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[  676.439772][T11531]  ? 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)
[  676.439775][T11531]  alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[  676.439779][T11531]  put_chars (drivers/char/virtio_console.c:1176)
[  676.439781][T11531]  ? __send_to_port (drivers/char/virtio_console.c:654)
[  676.439787][T11531]  hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2))
[  676.439795][T11531]  ? hvc_write (drivers/tty/hvc/hvc_console.c:501)
[  676.439798][T11531]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  676.439803][T11531]  console_emit_next_record (kernel/printk/printk.c:3183)
[  676.439807][T11531]  ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20)
[  676.439809][T11531]  ? 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))
[  676.439812][T11531]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  676.439815][T11531]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  676.439819][T11531]  console_flush_one_record (kernel/printk/printk.c:3268)
[  676.439824][T11531]  ? console_emit_next_record (kernel/printk/printk.c:3150)
[  676.439826][T11531]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[  676.439831][T11531]  console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420)
[  676.439834][T11531]  ? console_flush_one_record (kernel/printk/printk.c:3316)
[  676.439836][T11531]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  676.439838][T11531]  ? 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)
[  676.439841][T11531]  ? __down_trylock_console_sem (kernel/printk/printk.c:334)
[  676.439843][T11531]  ? vprintk_emit (kernel/printk/printk.c:2478)
[  676.439846][T11531]  vprintk_emit (kernel/printk/printk.c:2479)
[  676.439849][T11531]  ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126))
[  676.439852][T11531]  ? _mutex_trylock_nest_lock (kernel/locking/mutex.c:1227 (discriminator 6))
[  676.439857][T11531]  _printk (kernel/printk/printk.c:2504)
[  676.439861][T11531]  ? snapshot_read.cold (user.c:?)
[  676.439862][T11531]  ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4116 (discriminator 3) kernel/rcu/tree.c:4108 (discriminator 3))
[  676.439865][T11531]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380)
[  676.439868][T11531]  ? validate_chain (kernel/locking/lockdep.c:3817 (discriminator 2) kernel/locking/lockdep.c:3837 (discriminator 2) kernel/locking/lockdep.c:3892 (discriminator 2))
[  676.439870][T11531]  ? netdev_name (./include/linux/netdevice.h:5709 (discriminator 1))
[  676.439874][T11531]  ? __netdev_printk (net/core/dev.c:13148 (discriminator 2))
[  676.439877][T11531]  ? do_setlink.isra.0 (net/core/rtnetlink.c:3246)
[  676.439879][T11531]  netdev_info (net/core/dev.c:13195 (discriminator 3))
[  676.439883][T11531]  ? netdev_notice (net/core/dev.c:13194)
[  676.439886][T11531]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[  676.439889][T11531]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554)
[  676.439896][T11531]  ? mark_held_locks (kernel/locking/lockdep.c:4341)
[  676.439900][T11531]  ? do_setlink.isra.0 (net/core/rtnetlink.c:3246)
[  676.439902][T11531]  netif_change_name.cold (net/core/dev.c:1507 (discriminator 3))
[  676.439904][T11531]  ? register_netdev (net/core/dev.c:11618)
[  676.439906][T11531]  ? 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))
[  676.439911][T11531]  ? netdev_adjacent_rename_links (net/core/dev.c:9598)
[  676.439914][T11531]  ? __kernel_text_address (kernel/extable.c:79)
[  676.439917][T11531]  ? write_profile (profile.c:?)
[  676.439921][T11531]  ? __asan_memset (mm/kasan/shadow.c:84 (discriminator 1))
[  676.439926][T11531]  do_setlink.isra.0 (net/core/rtnetlink.c:3246)
[  676.439930][T11531]  ? stack_trace_save (kernel/stacktrace.c:122 (discriminator 1))
[  676.439932][T11531]  ? rtnl_link_get_size (net/core/rtnetlink.c:747)
[  676.439933][T11531]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:388 kernel/rcu/update.c:380)
[  676.439935][T11531]  ? stack_depot_save_flags (lib/stackdepot.c:609 (discriminator 2) lib/stackdepot.c:676 (discriminator 2))
[  676.439939][T11531]  ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4116 (discriminator 3) kernel/rcu/tree.c:4108 (discriminator 3))
[  676.439941][T11531]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380)
[  676.439943][T11531]  ? validate_chain (kernel/locking/lockdep.c:3817 (discriminator 2) kernel/locking/lockdep.c:3837 (discriminator 2) kernel/locking/lockdep.c:3892 (discriminator 2))
[  676.439945][T11531]  ? kasan_save_stack (mm/kasan/common.c:58)
[  676.439947][T11531]  ? kasan_save_stack (mm/kasan/common.c:57)
[  676.439949][T11531]  ? kasan_save_track (mm/kasan/common.c:78)
[  676.439950][T11531]  ? __kasan_kmalloc (mm/kasan/common.c:398 mm/kasan/common.c:415)
[  676.439952][T11531]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[  676.439954][T11531]  ? snd_ac97_proc_read_main (sound/pci/ac97/ac97_proc.c:320)
[  676.439957][T11531]  ? ___sys_sendmsg (net/socket.c:2758)
[  676.439961][T11531]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2))
[  676.439963][T11531]  ? rtnl_newlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:366 net/core/rtnetlink.c:4214)
[  676.439966][T11531]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  676.439968][T11531]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  676.439969][T11531]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  676.439971][T11531]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  676.439973][T11531]  ? trace_contention_end (./include/trace/events/lock.h:121 (discriminator 22))
[  676.439975][T11531]  ? __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)
[  676.439976][T11531]  ? __mutex_lock (kernel/locking/mutex.c:656 (discriminator 1) kernel/locking/mutex.c:821 (discriminator 1))
[  676.439978][T11531]  ? rtnl_newlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:366 net/core/rtnetlink.c:4214)
[  676.439982][T11531]  ? ww_mutex_lock (kernel/locking/mutex.c:934)
[  676.439983][T11531]  ? nla_get_range_signed (lib/nlattr.c:270)
[  676.439988][T11531]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  676.439990][T11531]  ? __rtnl_newlink (net/core/rtnetlink.c:4063)
[  676.439996][T11531]  rtnl_newlink (net/core/rtnetlink.c:4215)
[  676.440001][T11531]  ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558)
[  676.440003][T11531]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[  676.440007][T11531]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2))
[  676.440010][T11531]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[  676.440012][T11531]  ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558)
[  676.440013][T11531]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554)
[  676.440017][T11531]  ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558)
[  676.440020][T11531]  rtnetlink_rcv_msg (net/core/rtnetlink.c:7132)
[  676.440023][T11531]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[  676.440024][T11531]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[  676.440029][T11531]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2))
[  676.440031][T11531]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[  676.440034][T11531]  netlink_rcv_skb (net/netlink/af_netlink.c:2556)
[  676.440038][T11531]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[  676.440041][T11531]  ? netlink_ack (./include/linux/skbuff.h:2718)
[  676.440047][T11531]  ? 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))
[  676.440049][T11531]  ? 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))
[  676.440054][T11531]  netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[  676.440058][T11531]  ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[  676.440061][T11531]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[  676.440065][T11531]  netlink_sendmsg (net/netlink/af_netlink.c:1900)
[  676.440069][T11531]  ? netlink_unicast (./include/net/net_namespace.h:422 (discriminator 7))
[  676.440073][T11531]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554)
[  676.440075][T11531]  ? __import_iovec (lib/iov_iter.c:1358 lib/iov_iter.c:1373)
[  676.440080][T11531]  __sock_sendmsg (net/socket.c:800 (discriminator 4) net/socket.c:815 (discriminator 4))
[  676.440083][T11531]  ____sys_sendmsg (net/socket.c:2713)
[  676.440085][T11531]  ? copy_msghdr_from_user (net/socket.c:2650)
[  676.440088][T11531]  ? sock_write_iter (net/socket.c:1269)
[  676.440089][T11531]  ? move_addr_to_kernel (net/socket.c:258)
[  676.440097][T11531]  ___sys_sendmsg (net/socket.c:2767)
[  676.440100][T11531]  ? copy_msghdr_from_user (net/socket.c:2619)
[  676.440116][T11531]  __sys_sendmsg (net/socket.c:2799)
[  676.440119][T11531]  ? __sys_sendmsg_sock (net/socket.c:2780)
[  676.440125][T11531]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  676.440131][T11531]  do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84)
[  676.440134][T11531]  ? exc_page_fault (arch/x86/mm/fault.c:1489 (discriminator 3) arch/x86/mm/fault.c:1536 (discriminator 3))
[  676.440138][T11531]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[  676.440140][T11531] RIP: 0033:0x7f013f13254e
[  676.440144][T11531] 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
[  676.440146][T11531] RSP: 002b:00007ffd6327c300 EFLAGS: 00000202 ORIG_RAX: 000000000000002e
[  676.440148][T11531] RAX: ffffffffffffffda RBX: 0000000000000005 RCX: 00007f013f13254e
[  676.440150][T11531] RDX: 0000000000000000 RSI: 00007ffd6327c3b0 RDI: 0000000000000005
[  676.440151][T11531] RBP: 00007ffd6327c310 R08: 0000000000000000 R09: 0000000000000000
[  676.440152][T11531] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a911267
[  676.440153][T11531] R13: 00000000004a1620 R14: 0000000000000000 R15: 00007ffd6327ca80
| [  685.282618][T11674] softirqs last disabled at (18446): netif_change_name (./include/linux/spinlock.h:353 ./include/linux/seqlock.h:908 net/core/dev.c:1499)
| [  685.282621][T11674] Preemption disabled at:
| [  685.282621][T11674] vprintk_emit (kernel/printk/printk.c:2471)
| [  685.282630][T11674] Tainted: [W]=WARN
[  685.282631][T11674] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[  685.282633][T11674] Call Trace:
[  685.282634][T11674]  <TASK>
[  685.282636][T11674]  dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120)
[  685.282641][T11674]  ? vprintk_emit (kernel/printk/printk.c:2471)
[  685.282643][T11674]  __might_resched.cold (kernel/sched/core.c:9234)
[  685.282648][T11674]  ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3))
[  685.282652][T11674]  ? __kmalloc_noprof (./include/linux/sched/mm.h:317 mm/slub.c:4636 mm/slub.c:4974 mm/slub.c:5413 mm/slub.c:5439)
[  685.282656][T11674]  __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))
[  685.282659][T11674]  ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[  685.282666][T11674]  ? 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)
[  685.282668][T11674]  alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[  685.282672][T11674]  put_chars (drivers/char/virtio_console.c:1176)
[  685.282675][T11674]  ? __send_to_port (drivers/char/virtio_console.c:654)
[  685.282681][T11674]  hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2))
[  685.282689][T11674]  ? hvc_write (drivers/tty/hvc/hvc_console.c:501)
[  685.282692][T11674]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  685.282697][T11674]  console_emit_next_record (kernel/printk/printk.c:3183)
[  685.282701][T11674]  ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20)
[  685.282703][T11674]  ? 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))
[  685.282706][T11674]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  685.282709][T11674]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  685.282713][T11674]  console_flush_one_record (kernel/printk/printk.c:3268)
[  685.282717][T11674]  ? console_emit_next_record (kernel/printk/printk.c:3150)
[  685.282719][T11674]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[  685.282725][T11674]  console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420)
[  685.282728][T11674]  ? console_flush_one_record (kernel/printk/printk.c:3316)
[  685.282730][T11674]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  685.282731][T11674]  ? 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)
[  685.282735][T11674]  ? __down_trylock_console_sem (kernel/printk/printk.c:334)
[  685.282737][T11674]  ? vprintk_emit (kernel/printk/printk.c:2478)
[  685.282740][T11674]  vprintk_emit (kernel/printk/printk.c:2479)
[  685.282743][T11674]  ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126))
[  685.282746][T11674]  ? _mutex_trylock_nest_lock (kernel/locking/mutex.c:1227 (discriminator 6))
[  685.282751][T11674]  _printk (kernel/printk/printk.c:2504)
[  685.282754][T11674]  ? snapshot_read.cold (user.c:?)
[  685.282756][T11674]  ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4116 (discriminator 3) kernel/rcu/tree.c:4108 (discriminator 3))
[  685.282759][T11674]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380)
[  685.282761][T11674]  ? validate_chain (kernel/locking/lockdep.c:3817 (discriminator 2) kernel/locking/lockdep.c:3837 (discriminator 2) kernel/locking/lockdep.c:3892 (discriminator 2))
[  685.282764][T11674]  ? netdev_name (./include/linux/netdevice.h:5709 (discriminator 1))
[  685.282767][T11674]  ? __netdev_printk (net/core/dev.c:13148 (discriminator 2))
[  685.282770][T11674]  ? do_setlink.isra.0 (net/core/rtnetlink.c:3246)
[  685.282773][T11674]  netdev_info (net/core/dev.c:13195 (discriminator 3))
[  685.282776][T11674]  ? netdev_notice (net/core/dev.c:13194)
[  685.282779][T11674]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[  685.282782][T11674]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554)
[  685.282785][T11674]  ? mark_held_locks (kernel/locking/lockdep.c:4341)
[  685.282788][T11674]  ? do_setlink.isra.0 (net/core/rtnetlink.c:3246)
[  685.282790][T11674]  netif_change_name.cold (net/core/dev.c:1507 (discriminator 3))
[  685.282792][T11674]  ? register_netdev (net/core/dev.c:11618)
[  685.282794][T11674]  ? 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))
[  685.282800][T11674]  ? netdev_adjacent_rename_links (net/core/dev.c:9598)
[  685.282802][T11674]  ? __kernel_text_address (kernel/extable.c:79)
[  685.282805][T11674]  ? write_profile (profile.c:?)
[  685.282809][T11674]  ? __asan_memset (mm/kasan/shadow.c:84 (discriminator 1))
[  685.282815][T11674]  do_setlink.isra.0 (net/core/rtnetlink.c:3246)
[  685.282818][T11674]  ? stack_trace_save (kernel/stacktrace.c:122 (discriminator 1))
[  685.282820][T11674]  ? rtnl_link_get_size (net/core/rtnetlink.c:747)
[  685.282822][T11674]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:388 kernel/rcu/update.c:380)
[  685.282823][T11674]  ? stack_depot_save_flags (lib/stackdepot.c:609 (discriminator 2) lib/stackdepot.c:676 (discriminator 2))
[  685.282827][T11674]  ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4116 (discriminator 3) kernel/rcu/tree.c:4108 (discriminator 3))
[  685.282829][T11674]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380)
[  685.282831][T11674]  ? validate_chain (kernel/locking/lockdep.c:3817 (discriminator 2) kernel/locking/lockdep.c:3837 (discriminator 2) kernel/locking/lockdep.c:3892 (discriminator 2))
[  685.282833][T11674]  ? kasan_save_stack (mm/kasan/common.c:58)
[  685.282835][T11674]  ? kasan_save_stack (mm/kasan/common.c:57)
[  685.282837][T11674]  ? kasan_save_track (mm/kasan/common.c:78)
[  685.282838][T11674]  ? __kasan_kmalloc (mm/kasan/common.c:398 mm/kasan/common.c:415)
[  685.282840][T11674]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[  685.282842][T11674]  ? snd_ac97_proc_read_main (sound/pci/ac97/ac97_proc.c:320)
[  685.282845][T11674]  ? ___sys_sendmsg (net/socket.c:2758)
[  685.282849][T11674]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2))
[  685.282851][T11674]  ? rtnl_newlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:366 net/core/rtnetlink.c:4214)
[  685.282854][T11674]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  685.282856][T11674]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  685.282857][T11674]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  685.282859][T11674]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  685.282860][T11674]  ? trace_contention_end (./include/trace/events/lock.h:121 (discriminator 22))
[  685.282863][T11674]  ? __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)
[  685.282864][T11674]  ? __mutex_lock (kernel/locking/mutex.c:656 (discriminator 1) kernel/locking/mutex.c:821 (discriminator 1))
[  685.282866][T11674]  ? rtnl_newlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:366 net/core/rtnetlink.c:4214)
[  685.282869][T11674]  ? ww_mutex_lock (kernel/locking/mutex.c:934)
[  685.282871][T11674]  ? nla_get_range_signed (lib/nlattr.c:270)
[  685.282876][T11674]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  685.282878][T11674]  ? __rtnl_newlink (net/core/rtnetlink.c:4063)
[  685.282883][T11674]  rtnl_newlink (net/core/rtnetlink.c:4215)
[  685.282889][T11674]  ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558)
[  685.282891][T11674]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[  685.282896][T11674]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2))
[  685.282898][T11674]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[  685.282900][T11674]  ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558)
[  685.282902][T11674]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554)
[  685.282906][T11674]  ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558)
[  685.282908][T11674]  rtnetlink_rcv_msg (net/core/rtnetlink.c:7132)
[  685.282911][T11674]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[  685.282912][T11674]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[  685.282917][T11674]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2))
[  685.282919][T11674]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[  685.282927][T11674]  netlink_rcv_skb (net/netlink/af_netlink.c:2556)
[  685.282931][T11674]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[  685.282934][T11674]  ? netlink_ack (./include/linux/skbuff.h:2718)
[  685.282940][T11674]  ? 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))
[  685.282943][T11674]  ? 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))
[  685.282947][T11674]  netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[  685.282952][T11674]  ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[  685.282954][T11674]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[  685.282959][T11674]  netlink_sendmsg (net/netlink/af_netlink.c:1900)
[  685.282963][T11674]  ? netlink_unicast (./include/net/net_namespace.h:422 (discriminator 7))
[  685.282967][T11674]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554)
[  685.282969][T11674]  ? __import_iovec (lib/iov_iter.c:1358 lib/iov_iter.c:1373)
[  685.282974][T11674]  __sock_sendmsg (net/socket.c:800 (discriminator 4) net/socket.c:815 (discriminator 4))
[  685.282977][T11674]  ____sys_sendmsg (net/socket.c:2713)
[  685.282980][T11674]  ? copy_msghdr_from_user (net/socket.c:2650)
[  685.282982][T11674]  ? sock_write_iter (net/socket.c:1269)
[  685.282984][T11674]  ? move_addr_to_kernel (net/socket.c:258)
[  685.282991][T11674]  ___sys_sendmsg (net/socket.c:2767)
[  685.282994][T11674]  ? copy_msghdr_from_user (net/socket.c:2619)
[  685.283011][T11674]  __sys_sendmsg (net/socket.c:2799)
[  685.283013][T11674]  ? __sys_sendmsg_sock (net/socket.c:2780)
[  685.283020][T11674]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  685.283023][T11674]  do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84)
[  685.283026][T11674]  ? exc_page_fault (arch/x86/mm/fault.c:1489 (discriminator 3) arch/x86/mm/fault.c:1536 (discriminator 3))
[  685.283029][T11674]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[  685.283031][T11674] RIP: 0033:0x7ff38313354e
[  685.283035][T11674] 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
[  685.283037][T11674] RSP: 002b:00007ffedaebcf90 EFLAGS: 00000202 ORIG_RAX: 000000000000002e
[  685.283040][T11674] RAX: ffffffffffffffda RBX: 0000000000000005 RCX: 00007ff38313354e
[  685.283041][T11674] RDX: 0000000000000000 RSI: 00007ffedaebd040 RDI: 0000000000000005
[  685.283042][T11674] RBP: 00007ffedaebcfa0 R08: 0000000000000000 R09: 0000000000000000
[  685.283043][T11674] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a911270
[  685.283044][T11674] R13: 00000000004a1620 R14: 0000000000000000 R15: 00007ffedaebd710
| [  693.951506][T11817] softirqs last disabled at (27880): netif_change_name (./include/linux/spinlock.h:353 ./include/linux/seqlock.h:908 net/core/dev.c:1499)
| [  693.951509][T11817] Preemption disabled at:
| [  693.951509][T11817] vprintk_emit (kernel/printk/printk.c:2471)
| [  693.951518][T11817] Tainted: [W]=WARN
[  693.951519][T11817] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[  693.951520][T11817] Call Trace:
[  693.951522][T11817]  <TASK>
[  693.951523][T11817]  dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120)
[  693.951529][T11817]  ? vprintk_emit (kernel/printk/printk.c:2471)
[  693.951531][T11817]  __might_resched.cold (kernel/sched/core.c:9234)
[  693.951535][T11817]  ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3))
[  693.951539][T11817]  ? __kmalloc_noprof (./include/linux/sched/mm.h:317 mm/slub.c:4636 mm/slub.c:4974 mm/slub.c:5413 mm/slub.c:5439)
[  693.951544][T11817]  __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))
[  693.951546][T11817]  ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[  693.951552][T11817]  ? 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)
[  693.951555][T11817]  alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[  693.951559][T11817]  put_chars (drivers/char/virtio_console.c:1176)
[  693.951561][T11817]  ? __send_to_port (drivers/char/virtio_console.c:654)
[  693.951568][T11817]  hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2))
[  693.951575][T11817]  ? hvc_write (drivers/tty/hvc/hvc_console.c:501)
[  693.951578][T11817]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  693.951583][T11817]  console_emit_next_record (kernel/printk/printk.c:3183)
[  693.951587][T11817]  ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20)
[  693.951589][T11817]  ? 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))
[  693.951592][T11817]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  693.951595][T11817]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  693.951599][T11817]  console_flush_one_record (kernel/printk/printk.c:3268)
[  693.951603][T11817]  ? console_emit_next_record (kernel/printk/printk.c:3150)
[  693.951605][T11817]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[  693.951611][T11817]  console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420)
[  693.951613][T11817]  ? console_flush_one_record (kernel/printk/printk.c:3316)
[  693.951615][T11817]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  693.951617][T11817]  ? 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)
[  693.951621][T11817]  ? __down_trylock_console_sem (kernel/printk/printk.c:334)
[  693.951623][T11817]  ? vprintk_emit (kernel/printk/printk.c:2478)
[  693.951626][T11817]  vprintk_emit (kernel/printk/printk.c:2479)
[  693.951629][T11817]  ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126))
[  693.951631][T11817]  ? _mutex_trylock_nest_lock (kernel/locking/mutex.c:1227 (discriminator 6))
[  693.951637][T11817]  _printk (kernel/printk/printk.c:2504)
[  693.951640][T11817]  ? snapshot_read.cold (user.c:?)
[  693.951642][T11817]  ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4116 (discriminator 3) kernel/rcu/tree.c:4108 (discriminator 3))
[  693.951645][T11817]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380)
[  693.951648][T11817]  ? validate_chain (kernel/locking/lockdep.c:3817 (discriminator 2) kernel/locking/lockdep.c:3837 (discriminator 2) kernel/locking/lockdep.c:3892 (discriminator 2))
[  693.951650][T11817]  ? netdev_name (./include/linux/netdevice.h:5709 (discriminator 1))
[  693.951654][T11817]  ? __netdev_printk (net/core/dev.c:13148 (discriminator 2))
[  693.951657][T11817]  ? do_setlink.isra.0 (net/core/rtnetlink.c:3246)
[  693.951659][T11817]  netdev_info (net/core/dev.c:13195 (discriminator 3))
[  693.951662][T11817]  ? netdev_notice (net/core/dev.c:13194)
[  693.951665][T11817]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[  693.951668][T11817]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554)
[  693.951670][T11817]  ? mark_held_locks (kernel/locking/lockdep.c:4341)
[  693.951674][T11817]  ? do_setlink.isra.0 (net/core/rtnetlink.c:3246)
[  693.951676][T11817]  netif_change_name.cold (net/core/dev.c:1507 (discriminator 3))
[  693.951678][T11817]  ? register_netdev (net/core/dev.c:11618)
[  693.951680][T11817]  ? 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))
[  693.951685][T11817]  ? netdev_adjacent_rename_links (net/core/dev.c:9598)
[  693.951688][T11817]  ? __kernel_text_address (kernel/extable.c:79)
[  693.951690][T11817]  ? write_profile (profile.c:?)
[  693.951694][T11817]  ? __asan_memset (mm/kasan/shadow.c:84 (discriminator 1))
[  693.951700][T11817]  do_setlink.isra.0 (net/core/rtnetlink.c:3246)
[  693.951703][T11817]  ? stack_trace_save (kernel/stacktrace.c:122 (discriminator 1))
[  693.951705][T11817]  ? rtnl_link_get_size (net/core/rtnetlink.c:747)
[  693.951707][T11817]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:388 kernel/rcu/update.c:380)
[  693.951709][T11817]  ? stack_depot_save_flags (lib/stackdepot.c:609 (discriminator 2) lib/stackdepot.c:676 (discriminator 2))
[  693.951712][T11817]  ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4116 (discriminator 3) kernel/rcu/tree.c:4108 (discriminator 3))
[  693.951714][T11817]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380)
[  693.951716][T11817]  ? validate_chain (kernel/locking/lockdep.c:3817 (discriminator 2) kernel/locking/lockdep.c:3837 (discriminator 2) kernel/locking/lockdep.c:3892 (discriminator 2))
[  693.951718][T11817]  ? kasan_save_stack (mm/kasan/common.c:58)
[  693.951720][T11817]  ? kasan_save_stack (mm/kasan/common.c:57)
[  693.951722][T11817]  ? kasan_save_track (mm/kasan/common.c:78)
[  693.951723][T11817]  ? __kasan_kmalloc (mm/kasan/common.c:398 mm/kasan/common.c:415)
[  693.951725][T11817]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[  693.951727][T11817]  ? snd_ac97_proc_read_main (sound/pci/ac97/ac97_proc.c:320)
[  693.951730][T11817]  ? ___sys_sendmsg (net/socket.c:2758)
[  693.951734][T11817]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2))
[  693.951736][T11817]  ? rtnl_newlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:366 net/core/rtnetlink.c:4214)
[  693.951739][T11817]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  693.951741][T11817]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  693.951742][T11817]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  693.951744][T11817]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  693.951745][T11817]  ? trace_contention_end (./include/trace/events/lock.h:121 (discriminator 22))
[  693.951748][T11817]  ? __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)
[  693.951749][T11817]  ? __mutex_lock (kernel/locking/mutex.c:656 (discriminator 1) kernel/locking/mutex.c:821 (discriminator 1))
[  693.951751][T11817]  ? rtnl_newlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:366 net/core/rtnetlink.c:4214)
[  693.951754][T11817]  ? ww_mutex_lock (kernel/locking/mutex.c:934)
[  693.951756][T11817]  ? nla_get_range_signed (lib/nlattr.c:270)
[  693.951761][T11817]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  693.951763][T11817]  ? __rtnl_newlink (net/core/rtnetlink.c:4063)
[  693.951768][T11817]  rtnl_newlink (net/core/rtnetlink.c:4215)
[  693.951774][T11817]  ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558)
[  693.951776][T11817]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[  693.951780][T11817]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2))
[  693.951782][T11817]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[  693.951784][T11817]  ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558)
[  693.951786][T11817]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554)
[  693.951790][T11817]  ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558)
[  693.951792][T11817]  rtnetlink_rcv_msg (net/core/rtnetlink.c:7132)
[  693.951795][T11817]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[  693.951796][T11817]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[  693.951801][T11817]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2))
[  693.951803][T11817]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[  693.951806][T11817]  netlink_rcv_skb (net/netlink/af_netlink.c:2556)
[  693.951810][T11817]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[  693.951813][T11817]  ? netlink_ack (./include/linux/skbuff.h:2718)
[  693.951819][T11817]  ? 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))
[  693.951821][T11817]  ? 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))
[  693.951826][T11817]  netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[  693.951830][T11817]  ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[  693.951832][T11817]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[  693.951837][T11817]  netlink_sendmsg (net/netlink/af_netlink.c:1900)
[  693.951841][T11817]  ? netlink_unicast (./include/net/net_namespace.h:422 (discriminator 7))
[  693.951845][T11817]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554)
[  693.951846][T11817]  ? __import_iovec (lib/iov_iter.c:1358 lib/iov_iter.c:1373)
[  693.951852][T11817]  __sock_sendmsg (net/socket.c:800 (discriminator 4) net/socket.c:815 (discriminator 4))
[  693.951854][T11817]  ____sys_sendmsg (net/socket.c:2713)
[  693.951857][T11817]  ? copy_msghdr_from_user (net/socket.c:2650)
[  693.951859][T11817]  ? sock_write_iter (net/socket.c:1269)
[  693.951861][T11817]  ? move_addr_to_kernel (net/socket.c:258)
[  693.951868][T11817]  ___sys_sendmsg (net/socket.c:2767)
[  693.951871][T11817]  ? copy_msghdr_from_user (net/socket.c:2619)
[  693.951887][T11817]  __sys_sendmsg (net/socket.c:2799)
[  693.951890][T11817]  ? __sys_sendmsg_sock (net/socket.c:2780)
[  693.951896][T11817]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  693.951899][T11817]  do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84)
[  693.951902][T11817]  ? exc_page_fault (arch/x86/mm/fault.c:1489 (discriminator 3) arch/x86/mm/fault.c:1536 (discriminator 3))
[  693.951906][T11817]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[  693.951908][T11817] RIP: 0033:0x7fc5fcc9854e
[  693.951912][T11817] 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
[  693.951914][T11817] RSP: 002b:00007fffbc3045a0 EFLAGS: 00000202 ORIG_RAX: 000000000000002e
[  693.951916][T11817] RAX: ffffffffffffffda RBX: 0000000000000005 RCX: 00007fc5fcc9854e
[  693.951918][T11817] RDX: 0000000000000000 RSI: 00007fffbc304650 RDI: 0000000000000005
[  693.951919][T11817] RBP: 00007fffbc3045b0 R08: 0000000000000000 R09: 0000000000000000
[  693.951920][T11817] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a911279
[  693.951920][T11817] R13: 00000000004a1620 R14: 0000000000000000 R15: 00007fffbc304d20
| [  702.533568][T11960] softirqs last disabled at (17346): netif_change_name (./include/linux/spinlock.h:353 ./include/linux/seqlock.h:908 net/core/dev.c:1499)
| [  702.533571][T11960] Preemption disabled at:
| [  702.533571][T11960] vprintk_emit (kernel/printk/printk.c:2471)
| [  702.533580][T11960] Tainted: [W]=WARN
[  702.533581][T11960] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[  702.533582][T11960] Call Trace:
[  702.533584][T11960]  <TASK>
[  702.533585][T11960]  dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120)
[  702.533591][T11960]  ? vprintk_emit (kernel/printk/printk.c:2471)
[  702.533593][T11960]  __might_resched.cold (kernel/sched/core.c:9234)
[  702.533597][T11960]  ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3))
[  702.533601][T11960]  ? __kmalloc_noprof (./include/linux/sched/mm.h:317 mm/slub.c:4636 mm/slub.c:4974 mm/slub.c:5413 mm/slub.c:5439)
[  702.533605][T11960]  __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))
[  702.533607][T11960]  ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[  702.533613][T11960]  ? 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)
[  702.533616][T11960]  alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[  702.533620][T11960]  put_chars (drivers/char/virtio_console.c:1176)
[  702.533622][T11960]  ? __send_to_port (drivers/char/virtio_console.c:654)
[  702.533628][T11960]  hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2))
[  702.533636][T11960]  ? hvc_write (drivers/tty/hvc/hvc_console.c:501)
[  702.533639][T11960]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  702.533643][T11960]  console_emit_next_record (kernel/printk/printk.c:3183)
[  702.533647][T11960]  ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20)
[  702.533649][T11960]  ? 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))
[  702.533652][T11960]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  702.533655][T11960]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  702.533659][T11960]  console_flush_one_record (kernel/printk/printk.c:3268)
[  702.533663][T11960]  ? console_emit_next_record (kernel/printk/printk.c:3150)
[  702.533665][T11960]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[  702.533670][T11960]  console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420)
[  702.533673][T11960]  ? console_flush_one_record (kernel/printk/printk.c:3316)
[  702.533675][T11960]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  702.533677][T11960]  ? 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)
[  702.533680][T11960]  ? __down_trylock_console_sem (kernel/printk/printk.c:334)
[  702.533682][T11960]  ? vprintk_emit (kernel/printk/printk.c:2478)
[  702.533685][T11960]  vprintk_emit (kernel/printk/printk.c:2479)
[  702.533688][T11960]  ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126))
[  702.533690][T11960]  ? _mutex_trylock_nest_lock (kernel/locking/mutex.c:1227 (discriminator 6))
[  702.533696][T11960]  _printk (kernel/printk/printk.c:2504)
[  702.533699][T11960]  ? snapshot_read.cold (user.c:?)
[  702.533701][T11960]  ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4116 (discriminator 3) kernel/rcu/tree.c:4108 (discriminator 3))
[  702.533704][T11960]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380)
[  702.533706][T11960]  ? validate_chain (kernel/locking/lockdep.c:3817 (discriminator 2) kernel/locking/lockdep.c:3837 (discriminator 2) kernel/locking/lockdep.c:3892 (discriminator 2))
[  702.533709][T11960]  ? netdev_name (./include/linux/netdevice.h:5709 (discriminator 1))
[  702.533712][T11960]  ? __netdev_printk (net/core/dev.c:13148 (discriminator 2))
[  702.533715][T11960]  ? do_setlink.isra.0 (net/core/rtnetlink.c:3246)
[  702.533717][T11960]  netdev_info (net/core/dev.c:13195 (discriminator 3))
[  702.533720][T11960]  ? netdev_notice (net/core/dev.c:13194)
[  702.533723][T11960]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[  702.533726][T11960]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554)
[  702.533729][T11960]  ? mark_held_locks (kernel/locking/lockdep.c:4341)
[  702.533732][T11960]  ? do_setlink.isra.0 (net/core/rtnetlink.c:3246)
[  702.533734][T11960]  netif_change_name.cold (net/core/dev.c:1507 (discriminator 3))
[  702.533736][T11960]  ? register_netdev (net/core/dev.c:11618)
[  702.533738][T11960]  ? 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))
[  702.533743][T11960]  ? netdev_adjacent_rename_links (net/core/dev.c:9598)
[  702.533745][T11960]  ? __kernel_text_address (kernel/extable.c:79)
[  702.533748][T11960]  ? write_profile (profile.c:?)
[  702.533752][T11960]  ? __asan_memset (mm/kasan/shadow.c:84 (discriminator 1))
[  702.533758][T11960]  do_setlink.isra.0 (net/core/rtnetlink.c:3246)
[  702.533761][T11960]  ? stack_trace_save (kernel/stacktrace.c:122 (discriminator 1))
[  702.533763][T11960]  ? rtnl_link_get_size (net/core/rtnetlink.c:747)
[  702.533764][T11960]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:388 kernel/rcu/update.c:380)
[  702.533766][T11960]  ? stack_depot_save_flags (lib/stackdepot.c:609 (discriminator 2) lib/stackdepot.c:676 (discriminator 2))
[  702.533770][T11960]  ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4116 (discriminator 3) kernel/rcu/tree.c:4108 (discriminator 3))
[  702.533772][T11960]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380)
[  702.533773][T11960]  ? validate_chain (kernel/locking/lockdep.c:3817 (discriminator 2) kernel/locking/lockdep.c:3837 (discriminator 2) kernel/locking/lockdep.c:3892 (discriminator 2))
[  702.533776][T11960]  ? kasan_save_stack (mm/kasan/common.c:58)
[  702.533778][T11960]  ? kasan_save_stack (mm/kasan/common.c:57)
[  702.533779][T11960]  ? kasan_save_track (mm/kasan/common.c:78)
[  702.533780][T11960]  ? __kasan_kmalloc (mm/kasan/common.c:398 mm/kasan/common.c:415)
[  702.533783][T11960]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[  702.533785][T11960]  ? snd_ac97_proc_read_main (sound/pci/ac97/ac97_proc.c:320)
[  702.533788][T11960]  ? ___sys_sendmsg (net/socket.c:2758)
[  702.533792][T11960]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2))
[  702.533794][T11960]  ? rtnl_newlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:366 net/core/rtnetlink.c:4214)
[  702.533796][T11960]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  702.533798][T11960]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  702.533800][T11960]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  702.533801][T11960]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  702.533802][T11960]  ? trace_contention_end (./include/trace/events/lock.h:121 (discriminator 22))
[  702.533805][T11960]  ? __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)
[  702.533806][T11960]  ? __mutex_lock (kernel/locking/mutex.c:656 (discriminator 1) kernel/locking/mutex.c:821 (discriminator 1))
[  702.533808][T11960]  ? rtnl_newlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:366 net/core/rtnetlink.c:4214)
[  702.533811][T11960]  ? ww_mutex_lock (kernel/locking/mutex.c:934)
[  702.533812][T11960]  ? nla_get_range_signed (lib/nlattr.c:270)
[  702.533817][T11960]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  702.533819][T11960]  ? __rtnl_newlink (net/core/rtnetlink.c:4063)
[  702.533824][T11960]  rtnl_newlink (net/core/rtnetlink.c:4215)
[  702.533830][T11960]  ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558)
[  702.533831][T11960]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[  702.533836][T11960]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2))
[  702.533838][T11960]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[  702.533840][T11960]  ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558)
[  702.533842][T11960]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554)
[  702.533845][T11960]  ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558)
[  702.533847][T11960]  rtnetlink_rcv_msg (net/core/rtnetlink.c:7132)
[  702.533851][T11960]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[  702.533852][T11960]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[  702.533856][T11960]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2))
[  702.533858][T11960]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[  702.533862][T11960]  netlink_rcv_skb (net/netlink/af_netlink.c:2556)
[  702.533865][T11960]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[  702.533868][T11960]  ? netlink_ack (./include/linux/skbuff.h:2718)
[  702.533874][T11960]  ? 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))
[  702.533876][T11960]  ? 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))
[  702.533881][T11960]  netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[  702.533885][T11960]  ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[  702.533887][T11960]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[  702.533891][T11960]  netlink_sendmsg (net/netlink/af_netlink.c:1900)
[  702.533895][T11960]  ? netlink_unicast (./include/net/net_namespace.h:422 (discriminator 7))
[  702.533899][T11960]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554)
[  702.533901][T11960]  ? __import_iovec (lib/iov_iter.c:1358 lib/iov_iter.c:1373)
[  702.533906][T11960]  __sock_sendmsg (net/socket.c:800 (discriminator 4) net/socket.c:815 (discriminator 4))
[  702.533909][T11960]  ____sys_sendmsg (net/socket.c:2713)
[  702.533911][T11960]  ? copy_msghdr_from_user (net/socket.c:2650)
[  702.533913][T11960]  ? sock_write_iter (net/socket.c:1269)
[  702.533915][T11960]  ? move_addr_to_kernel (net/socket.c:258)
[  702.533922][T11960]  ___sys_sendmsg (net/socket.c:2767)
[  702.533925][T11960]  ? copy_msghdr_from_user (net/socket.c:2619)
[  702.533941][T11960]  __sys_sendmsg (net/socket.c:2799)
[  702.533944][T11960]  ? __sys_sendmsg_sock (net/socket.c:2780)
[  702.533950][T11960]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  702.533953][T11960]  do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84)
[  702.533956][T11960]  ? exc_page_fault (arch/x86/mm/fault.c:1489 (discriminator 3) arch/x86/mm/fault.c:1536 (discriminator 3))
[  702.533959][T11960]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[  702.533961][T11960] RIP: 0033:0x7fbcc54b654e
[  702.533965][T11960] 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
[  702.533967][T11960] RSP: 002b:00007fff42c82d40 EFLAGS: 00000202 ORIG_RAX: 000000000000002e
[  702.533970][T11960] RAX: ffffffffffffffda RBX: 0000000000000005 RCX: 00007fbcc54b654e
[  702.533971][T11960] RDX: 0000000000000000 RSI: 00007fff42c82df0 RDI: 0000000000000005
[  702.533972][T11960] RBP: 00007fff42c82d50 R08: 0000000000000000 R09: 0000000000000000
[  702.533973][T11960] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a911281
[  702.533974][T11960] R13: 00000000004a1620 R14: 0000000000000000 R15: 00007fff42c834c0
| [  711.166102][T12103] softirqs last disabled at (21748): netif_change_name (./include/linux/spinlock.h:353 ./include/linux/seqlock.h:908 net/core/dev.c:1499)
| [  711.166105][T12103] Preemption disabled at:
| [  711.166106][T12103] vprintk_emit (kernel/printk/printk.c:2471)
| [  711.166114][T12103] Tainted: [W]=WARN
[  711.166115][T12103] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[  711.166117][T12103] Call Trace:
[  711.166119][T12103]  <TASK>
[  711.166120][T12103]  dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120)
[  711.166126][T12103]  ? vprintk_emit (kernel/printk/printk.c:2471)
[  711.166130][T12103]  __might_resched.cold (kernel/sched/core.c:9234)
[  711.166135][T12103]  ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3))
[  711.166139][T12103]  ? __kmalloc_noprof (./include/linux/sched/mm.h:317 mm/slub.c:4636 mm/slub.c:4974 mm/slub.c:5413 mm/slub.c:5439)
[  711.166143][T12103]  __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))
[  711.166145][T12103]  ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[  711.166152][T12103]  ? 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)
[  711.166154][T12103]  alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[  711.166158][T12103]  put_chars (drivers/char/virtio_console.c:1176)
[  711.166161][T12103]  ? __send_to_port (drivers/char/virtio_console.c:654)
[  711.166167][T12103]  hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2))
[  711.166174][T12103]  ? hvc_write (drivers/tty/hvc/hvc_console.c:501)
[  711.166177][T12103]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  711.166182][T12103]  console_emit_next_record (kernel/printk/printk.c:3183)
[  711.166186][T12103]  ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20)
[  711.166188][T12103]  ? 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))
[  711.166191][T12103]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  711.166194][T12103]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  711.166198][T12103]  console_flush_one_record (kernel/printk/printk.c:3268)
[  711.166202][T12103]  ? console_emit_next_record (kernel/printk/printk.c:3150)
[  711.166204][T12103]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[  711.166209][T12103]  console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420)
[  711.166212][T12103]  ? console_flush_one_record (kernel/printk/printk.c:3316)
[  711.166214][T12103]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  711.166216][T12103]  ? 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)
[  711.166219][T12103]  ? __down_trylock_console_sem (kernel/printk/printk.c:334)
[  711.166221][T12103]  ? vprintk_emit (kernel/printk/printk.c:2478)
[  711.166224][T12103]  vprintk_emit (kernel/printk/printk.c:2479)
[  711.166227][T12103]  ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126))
[  711.166230][T12103]  ? _mutex_trylock_nest_lock (kernel/locking/mutex.c:1227 (discriminator 6))
[  711.166235][T12103]  _printk (kernel/printk/printk.c:2504)
[  711.166238][T12103]  ? snapshot_read.cold (user.c:?)
[  711.166240][T12103]  ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4116 (discriminator 3) kernel/rcu/tree.c:4108 (discriminator 3))
[  711.166242][T12103]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380)
[  711.166245][T12103]  ? validate_chain (kernel/locking/lockdep.c:3817 (discriminator 2) kernel/locking/lockdep.c:3837 (discriminator 2) kernel/locking/lockdep.c:3892 (discriminator 2))
[  711.166247][T12103]  ? netdev_name (./include/linux/netdevice.h:5709 (discriminator 1))
[  711.166251][T12103]  ? __netdev_printk (net/core/dev.c:13148 (discriminator 2))
[  711.166254][T12103]  ? do_setlink.isra.0 (net/core/rtnetlink.c:3246)
[  711.166256][T12103]  netdev_info (net/core/dev.c:13195 (discriminator 3))
[  711.166259][T12103]  ? netdev_notice (net/core/dev.c:13194)
[  711.166262][T12103]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[  711.166264][T12103]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554)
[  711.166267][T12103]  ? mark_held_locks (kernel/locking/lockdep.c:4341)
[  711.166270][T12103]  ? do_setlink.isra.0 (net/core/rtnetlink.c:3246)
[  711.166273][T12103]  netif_change_name.cold (net/core/dev.c:1507 (discriminator 3))
[  711.166275][T12103]  ? register_netdev (net/core/dev.c:11618)
[  711.166276][T12103]  ? 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))
[  711.166281][T12103]  ? netdev_adjacent_rename_links (net/core/dev.c:9598)
[  711.166284][T12103]  ? __kernel_text_address (kernel/extable.c:79)
[  711.166287][T12103]  ? write_profile (profile.c:?)
[  711.166291][T12103]  ? __asan_memset (mm/kasan/shadow.c:84 (discriminator 1))
[  711.166296][T12103]  do_setlink.isra.0 (net/core/rtnetlink.c:3246)
[  711.166300][T12103]  ? stack_trace_save (kernel/stacktrace.c:122 (discriminator 1))
[  711.166302][T12103]  ? rtnl_link_get_size (net/core/rtnetlink.c:747)
[  711.166303][T12103]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:388 kernel/rcu/update.c:380)
[  711.166305][T12103]  ? stack_depot_save_flags (lib/stackdepot.c:609 (discriminator 2) lib/stackdepot.c:676 (discriminator 2))
[  711.166308][T12103]  ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4116 (discriminator 3) kernel/rcu/tree.c:4108 (discriminator 3))
[  711.166310][T12103]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380)
[  711.166312][T12103]  ? validate_chain (kernel/locking/lockdep.c:3817 (discriminator 2) kernel/locking/lockdep.c:3837 (discriminator 2) kernel/locking/lockdep.c:3892 (discriminator 2))
[  711.166314][T12103]  ? kasan_save_stack (mm/kasan/common.c:58)
[  711.166316][T12103]  ? kasan_save_stack (mm/kasan/common.c:57)
[  711.166317][T12103]  ? kasan_save_track (mm/kasan/common.c:78)
[  711.166319][T12103]  ? __kasan_kmalloc (mm/kasan/common.c:398 mm/kasan/common.c:415)
[  711.166321][T12103]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[  711.166323][T12103]  ? snd_ac97_proc_read_main (sound/pci/ac97/ac97_proc.c:320)
[  711.166326][T12103]  ? ___sys_sendmsg (net/socket.c:2758)
[  711.166330][T12103]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2))
[  711.166332][T12103]  ? rtnl_newlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:366 net/core/rtnetlink.c:4214)
[  711.166335][T12103]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  711.166336][T12103]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  711.166338][T12103]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  711.166339][T12103]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  711.166341][T12103]  ? trace_contention_end (./include/trace/events/lock.h:121 (discriminator 22))
[  711.166343][T12103]  ? __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)
[  711.166344][T12103]  ? __mutex_lock (kernel/locking/mutex.c:656 (discriminator 1) kernel/locking/mutex.c:821 (discriminator 1))
[  711.166346][T12103]  ? rtnl_newlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:366 net/core/rtnetlink.c:4214)
[  711.166349][T12103]  ? ww_mutex_lock (kernel/locking/mutex.c:934)
[  711.166350][T12103]  ? nla_get_range_signed (lib/nlattr.c:270)
[  711.166355][T12103]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  711.166358][T12103]  ? __rtnl_newlink (net/core/rtnetlink.c:4063)
[  711.166363][T12103]  rtnl_newlink (net/core/rtnetlink.c:4215)
[  711.166368][T12103]  ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558)
[  711.166370][T12103]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[  711.166374][T12103]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2))
[  711.166376][T12103]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[  711.166378][T12103]  ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558)
[  711.166380][T12103]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554)
[  711.166384][T12103]  ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558)
[  711.166386][T12103]  rtnetlink_rcv_msg (net/core/rtnetlink.c:7132)
[  711.166389][T12103]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[  711.166390][T12103]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[  711.166395][T12103]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2))
[  711.166397][T12103]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[  711.166400][T12103]  netlink_rcv_skb (net/netlink/af_netlink.c:2556)
[  711.166403][T12103]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[  711.166406][T12103]  ? netlink_ack (./include/linux/skbuff.h:2718)
[  711.166413][T12103]  ? 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))
[  711.166415][T12103]  ? 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))
[  711.166419][T12103]  netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[  711.166423][T12103]  ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[  711.166426][T12103]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[  711.166430][T12103]  netlink_sendmsg (net/netlink/af_netlink.c:1900)
[  711.166434][T12103]  ? netlink_unicast (./include/net/net_namespace.h:422 (discriminator 7))
[  711.166438][T12103]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554)
[  711.166439][T12103]  ? __import_iovec (lib/iov_iter.c:1358 lib/iov_iter.c:1373)
[  711.166444][T12103]  __sock_sendmsg (net/socket.c:800 (discriminator 4) net/socket.c:815 (discriminator 4))
[  711.166447][T12103]  ____sys_sendmsg (net/socket.c:2713)
[  711.166449][T12103]  ? copy_msghdr_from_user (net/socket.c:2650)
[  711.166452][T12103]  ? sock_write_iter (net/socket.c:1269)
[  711.166453][T12103]  ? move_addr_to_kernel (net/socket.c:258)
[  711.166460][T12103]  ___sys_sendmsg (net/socket.c:2767)
[  711.166463][T12103]  ? copy_msghdr_from_user (net/socket.c:2619)
[  711.166479][T12103]  __sys_sendmsg (net/socket.c:2799)
[  711.166482][T12103]  ? __sys_sendmsg_sock (net/socket.c:2780)
[  711.166488][T12103]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  711.166491][T12103]  do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84)
[  711.166494][T12103]  ? exc_page_fault (arch/x86/mm/fault.c:1489 (discriminator 3) arch/x86/mm/fault.c:1536 (discriminator 3))
[  711.166497][T12103]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[  711.166499][T12103] RIP: 0033:0x7ff9eef9054e
[  711.166503][T12103] 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
[  711.166505][T12103] RSP: 002b:00007ffe91ae44e0 EFLAGS: 00000202 ORIG_RAX: 000000000000002e
[  711.166507][T12103] RAX: ffffffffffffffda RBX: 0000000000000005 RCX: 00007ff9eef9054e
[  711.166509][T12103] RDX: 0000000000000000 RSI: 00007ffe91ae4590 RDI: 0000000000000005
[  711.166510][T12103] RBP: 00007ffe91ae44f0 R08: 0000000000000000 R09: 0000000000000000
[  711.166511][T12103] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a91128a
[  711.166511][T12103] R13: 00000000004a1620 R14: 0000000000000000 R15: 00007ffe91ae4c60
| [  719.784603][T12246] softirqs last disabled at (22038): netif_change_name (./include/linux/spinlock.h:353 ./include/linux/seqlock.h:908 net/core/dev.c:1499)
| [  719.784605][T12246] Preemption disabled at:
| [  719.784606][T12246] vprintk_emit (kernel/printk/printk.c:2471)
| [  719.784614][T12246] Tainted: [W]=WARN
[  719.784615][T12246] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[  719.784616][T12246] Call Trace:
[  719.784618][T12246]  <TASK>
[  719.784619][T12246]  dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120)
[  719.784625][T12246]  ? vprintk_emit (kernel/printk/printk.c:2471)
[  719.784627][T12246]  __might_resched.cold (kernel/sched/core.c:9234)
[  719.784631][T12246]  ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3))
[  719.784635][T12246]  ? __kmalloc_noprof (./include/linux/sched/mm.h:317 mm/slub.c:4636 mm/slub.c:4974 mm/slub.c:5413 mm/slub.c:5439)
[  719.784639][T12246]  __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))
[  719.784641][T12246]  ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[  719.784648][T12246]  ? 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)
[  719.784650][T12246]  alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[  719.784654][T12246]  put_chars (drivers/char/virtio_console.c:1176)
[  719.784657][T12246]  ? __send_to_port (drivers/char/virtio_console.c:654)
[  719.784663][T12246]  hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2))
[  719.784670][T12246]  ? hvc_write (drivers/tty/hvc/hvc_console.c:501)
[  719.784673][T12246]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  719.784678][T12246]  console_emit_next_record (kernel/printk/printk.c:3183)
[  719.784682][T12246]  ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20)
[  719.784684][T12246]  ? 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))
[  719.784687][T12246]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  719.784690][T12246]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  719.784694][T12246]  console_flush_one_record (kernel/printk/printk.c:3268)
[  719.784698][T12246]  ? console_emit_next_record (kernel/printk/printk.c:3150)
[  719.784700][T12246]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[  719.784705][T12246]  console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420)
[  719.784708][T12246]  ? console_flush_one_record (kernel/printk/printk.c:3316)
[  719.784709][T12246]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  719.784711][T12246]  ? 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)
[  719.784715][T12246]  ? __down_trylock_console_sem (kernel/printk/printk.c:334)
[  719.784717][T12246]  ? vprintk_emit (kernel/printk/printk.c:2478)
[  719.784719][T12246]  vprintk_emit (kernel/printk/printk.c:2479)
[  719.784722][T12246]  ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126))
[  719.784725][T12246]  ? _mutex_trylock_nest_lock (kernel/locking/mutex.c:1227 (discriminator 6))
[  719.784730][T12246]  _printk (kernel/printk/printk.c:2504)
[  719.784734][T12246]  ? snapshot_read.cold (user.c:?)
[  719.784735][T12246]  ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4116 (discriminator 3) kernel/rcu/tree.c:4108 (discriminator 3))
[  719.784738][T12246]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380)
[  719.784740][T12246]  ? validate_chain (kernel/locking/lockdep.c:3817 (discriminator 2) kernel/locking/lockdep.c:3837 (discriminator 2) kernel/locking/lockdep.c:3892 (discriminator 2))
[  719.784743][T12246]  ? netdev_name (./include/linux/netdevice.h:5709 (discriminator 1))
[  719.784746][T12246]  ? __netdev_printk (net/core/dev.c:13148 (discriminator 2))
[  719.784749][T12246]  ? do_setlink.isra.0 (net/core/rtnetlink.c:3246)
[  719.784751][T12246]  netdev_info (net/core/dev.c:13195 (discriminator 3))
[  719.784754][T12246]  ? netdev_notice (net/core/dev.c:13194)
[  719.784757][T12246]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[  719.784760][T12246]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554)
[  719.784762][T12246]  ? mark_held_locks (kernel/locking/lockdep.c:4341)
[  719.784766][T12246]  ? do_setlink.isra.0 (net/core/rtnetlink.c:3246)
[  719.784768][T12246]  netif_change_name.cold (net/core/dev.c:1507 (discriminator 3))
[  719.784770][T12246]  ? register_netdev (net/core/dev.c:11618)
[  719.784771][T12246]  ? 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))
[  719.784777][T12246]  ? netdev_adjacent_rename_links (net/core/dev.c:9598)
[  719.784779][T12246]  ? __kernel_text_address (kernel/extable.c:79)
[  719.784782][T12246]  ? write_profile (profile.c:?)
[  719.784786][T12246]  ? __asan_memset (mm/kasan/shadow.c:84 (discriminator 1))
[  719.784791][T12246]  do_setlink.isra.0 (net/core/rtnetlink.c:3246)
[  719.784795][T12246]  ? stack_trace_save (kernel/stacktrace.c:122 (discriminator 1))
[  719.784797][T12246]  ? rtnl_link_get_size (net/core/rtnetlink.c:747)
[  719.784798][T12246]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:388 kernel/rcu/update.c:380)
[  719.784800][T12246]  ? stack_depot_save_flags (lib/stackdepot.c:609 (discriminator 2) lib/stackdepot.c:676 (discriminator 2))
[  719.784803][T12246]  ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4116 (discriminator 3) kernel/rcu/tree.c:4108 (discriminator 3))
[  719.784805][T12246]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380)
[  719.784807][T12246]  ? validate_chain (kernel/locking/lockdep.c:3817 (discriminator 2) kernel/locking/lockdep.c:3837 (discriminator 2) kernel/locking/lockdep.c:3892 (discriminator 2))
[  719.784809][T12246]  ? kasan_save_stack (mm/kasan/common.c:58)
[  719.784811][T12246]  ? kasan_save_stack (mm/kasan/common.c:57)
[  719.784813][T12246]  ? kasan_save_track (mm/kasan/common.c:78)
[  719.784814][T12246]  ? __kasan_kmalloc (mm/kasan/common.c:398 mm/kasan/common.c:415)
[  719.784816][T12246]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[  719.784818][T12246]  ? snd_ac97_proc_read_main (sound/pci/ac97/ac97_proc.c:320)
[  719.784821][T12246]  ? ___sys_sendmsg (net/socket.c:2758)
[  719.784825][T12246]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2))
[  719.784827][T12246]  ? rtnl_newlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:366 net/core/rtnetlink.c:4214)
[  719.784829][T12246]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  719.784831][T12246]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  719.784833][T12246]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  719.784834][T12246]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  719.784836][T12246]  ? trace_contention_end (./include/trace/events/lock.h:121 (discriminator 22))
[  719.784838][T12246]  ? __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)
[  719.784839][T12246]  ? __mutex_lock (kernel/locking/mutex.c:656 (discriminator 1) kernel/locking/mutex.c:821 (discriminator 1))
[  719.784841][T12246]  ? rtnl_newlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:366 net/core/rtnetlink.c:4214)
[  719.784844][T12246]  ? ww_mutex_lock (kernel/locking/mutex.c:934)
[  719.784845][T12246]  ? nla_get_range_signed (lib/nlattr.c:270)
[  719.784850][T12246]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  719.784852][T12246]  ? __rtnl_newlink (net/core/rtnetlink.c:4063)
[  719.784858][T12246]  rtnl_newlink (net/core/rtnetlink.c:4215)
[  719.784863][T12246]  ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558)
[  719.784865][T12246]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[  719.784869][T12246]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2))
[  719.784871][T12246]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[  719.784873][T12246]  ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558)
[  719.784875][T12246]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554)
[  719.784879][T12246]  ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558)
[  719.784881][T12246]  rtnetlink_rcv_msg (net/core/rtnetlink.c:7132)
[  719.784884][T12246]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[  719.784885][T12246]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[  719.784890][T12246]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2))
[  719.784892][T12246]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[  719.784895][T12246]  netlink_rcv_skb (net/netlink/af_netlink.c:2556)
[  719.784898][T12246]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[  719.784901][T12246]  ? netlink_ack (./include/linux/skbuff.h:2718)
[  719.784907][T12246]  ? 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))
[  719.784909][T12246]  ? 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))
[  719.784914][T12246]  netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[  719.784918][T12246]  ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[  719.784920][T12246]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[  719.784924][T12246]  netlink_sendmsg (net/netlink/af_netlink.c:1900)
[  719.784928][T12246]  ? netlink_unicast (./include/net/net_namespace.h:422 (discriminator 7))
[  719.784932][T12246]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554)
[  719.784934][T12246]  ? __import_iovec (lib/iov_iter.c:1358 lib/iov_iter.c:1373)
[  719.784939][T12246]  __sock_sendmsg (net/socket.c:800 (discriminator 4) net/socket.c:815 (discriminator 4))
[  719.784942][T12246]  ____sys_sendmsg (net/socket.c:2713)
[  719.784944][T12246]  ? copy_msghdr_from_user (net/socket.c:2650)
[  719.784946][T12246]  ? sock_write_iter (net/socket.c:1269)
[  719.784948][T12246]  ? move_addr_to_kernel (net/socket.c:258)
[  719.784955][T12246]  ___sys_sendmsg (net/socket.c:2767)
[  719.784958][T12246]  ? copy_msghdr_from_user (net/socket.c:2619)
[  719.784973][T12246]  __sys_sendmsg (net/socket.c:2799)
[  719.784976][T12246]  ? __sys_sendmsg_sock (net/socket.c:2780)
[  719.784982][T12246]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  719.784985][T12246]  do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84)
[  719.784988][T12246]  ? exc_page_fault (arch/x86/mm/fault.c:1489 (discriminator 3) arch/x86/mm/fault.c:1536 (discriminator 3))
[  719.784991][T12246]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[  719.784993][T12246] RIP: 0033:0x7fa1d38f254e
[  719.784997][T12246] 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
[  719.784999][T12246] RSP: 002b:00007ffed53e4ce0 EFLAGS: 00000202 ORIG_RAX: 000000000000002e
[  719.785001][T12246] RAX: ffffffffffffffda RBX: 0000000000000005 RCX: 00007fa1d38f254e
[  719.785003][T12246] RDX: 0000000000000000 RSI: 00007ffed53e4d90 RDI: 0000000000000005
[  719.785004][T12246] RBP: 00007ffed53e4cf0 R08: 0000000000000000 R09: 0000000000000000
[  719.785004][T12246] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a911293
[  719.785005][T12246] R13: 00000000004a1620 R14: 0000000000000000 R15: 00007ffed53e5460
| [  728.500721][T12389] softirqs last disabled at (19100): netif_change_name (./include/linux/spinlock.h:353 ./include/linux/seqlock.h:908 net/core/dev.c:1499)
| [  728.500724][T12389] Preemption disabled at:
| [  728.500725][T12389] vprintk_emit (kernel/printk/printk.c:2471)
| [  728.500733][T12389] Tainted: [W]=WARN
[  728.500734][T12389] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[  728.500736][T12389] Call Trace:
[  728.500737][T12389]  <TASK>
[  728.500739][T12389]  dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120)
[  728.500745][T12389]  ? vprintk_emit (kernel/printk/printk.c:2471)
[  728.500746][T12389]  __might_resched.cold (kernel/sched/core.c:9234)
[  728.500751][T12389]  ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3))
[  728.500755][T12389]  ? __kmalloc_noprof (./include/linux/sched/mm.h:317 mm/slub.c:4636 mm/slub.c:4974 mm/slub.c:5413 mm/slub.c:5439)
[  728.500759][T12389]  __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))
[  728.500761][T12389]  ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[  728.500768][T12389]  ? 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)
[  728.500771][T12389]  alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[  728.500775][T12389]  put_chars (drivers/char/virtio_console.c:1176)
[  728.500778][T12389]  ? __send_to_port (drivers/char/virtio_console.c:654)
[  728.500784][T12389]  hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2))
[  728.500792][T12389]  ? hvc_write (drivers/tty/hvc/hvc_console.c:501)
[  728.500795][T12389]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  728.500800][T12389]  console_emit_next_record (kernel/printk/printk.c:3183)
[  728.500805][T12389]  ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20)
[  728.500807][T12389]  ? 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))
[  728.500810][T12389]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  728.500813][T12389]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  728.500817][T12389]  console_flush_one_record (kernel/printk/printk.c:3268)
[  728.500821][T12389]  ? console_emit_next_record (kernel/printk/printk.c:3150)
[  728.500824][T12389]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[  728.500829][T12389]  console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420)
[  728.500832][T12389]  ? console_flush_one_record (kernel/printk/printk.c:3316)
[  728.500834][T12389]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  728.500836][T12389]  ? 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)
[  728.500840][T12389]  ? __down_trylock_console_sem (kernel/printk/printk.c:334)
[  728.500842][T12389]  ? vprintk_emit (kernel/printk/printk.c:2478)
[  728.500845][T12389]  vprintk_emit (kernel/printk/printk.c:2479)
[  728.500848][T12389]  ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126))
[  728.500851][T12389]  ? _mutex_trylock_nest_lock (kernel/locking/mutex.c:1227 (discriminator 6))
[  728.500856][T12389]  _printk (kernel/printk/printk.c:2504)
[  728.500860][T12389]  ? snapshot_read.cold (user.c:?)
[  728.500862][T12389]  ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4116 (discriminator 3) kernel/rcu/tree.c:4108 (discriminator 3))
[  728.500864][T12389]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380)
[  728.500867][T12389]  ? validate_chain (kernel/locking/lockdep.c:3817 (discriminator 2) kernel/locking/lockdep.c:3837 (discriminator 2) kernel/locking/lockdep.c:3892 (discriminator 2))
[  728.500869][T12389]  ? netdev_name (./include/linux/netdevice.h:5709 (discriminator 1))
[  728.500873][T12389]  ? __netdev_printk (net/core/dev.c:13148 (discriminator 2))
[  728.500876][T12389]  ? do_setlink.isra.0 (net/core/rtnetlink.c:3246)
[  728.500878][T12389]  netdev_info (net/core/dev.c:13195 (discriminator 3))
[  728.500881][T12389]  ? netdev_notice (net/core/dev.c:13194)
[  728.500884][T12389]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[  728.500887][T12389]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554)
[  728.500890][T12389]  ? mark_held_locks (kernel/locking/lockdep.c:4341)
[  728.500893][T12389]  ? do_setlink.isra.0 (net/core/rtnetlink.c:3246)
[  728.500895][T12389]  netif_change_name.cold (net/core/dev.c:1507 (discriminator 3))
[  728.500897][T12389]  ? register_netdev (net/core/dev.c:11618)
[  728.500899][T12389]  ? 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))
[  728.500904][T12389]  ? netdev_adjacent_rename_links (net/core/dev.c:9598)
[  728.500907][T12389]  ? __kernel_text_address (kernel/extable.c:79)
[  728.500910][T12389]  ? write_profile (profile.c:?)
[  728.500914][T12389]  ? __asan_memset (mm/kasan/shadow.c:84 (discriminator 1))
[  728.500920][T12389]  do_setlink.isra.0 (net/core/rtnetlink.c:3246)
[  728.500923][T12389]  ? stack_trace_save (kernel/stacktrace.c:122 (discriminator 1))
[  728.500925][T12389]  ? rtnl_link_get_size (net/core/rtnetlink.c:747)
[  728.500927][T12389]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:388 kernel/rcu/update.c:380)
[  728.500929][T12389]  ? stack_depot_save_flags (lib/stackdepot.c:609 (discriminator 2) lib/stackdepot.c:676 (discriminator 2))
[  728.500932][T12389]  ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4116 (discriminator 3) kernel/rcu/tree.c:4108 (discriminator 3))
[  728.500934][T12389]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380)
[  728.500936][T12389]  ? validate_chain (kernel/locking/lockdep.c:3817 (discriminator 2) kernel/locking/lockdep.c:3837 (discriminator 2) kernel/locking/lockdep.c:3892 (discriminator 2))
[  728.500939][T12389]  ? kasan_save_stack (mm/kasan/common.c:58)
[  728.500941][T12389]  ? kasan_save_stack (mm/kasan/common.c:57)
[  728.500942][T12389]  ? kasan_save_track (mm/kasan/common.c:78)
[  728.500943][T12389]  ? __kasan_kmalloc (mm/kasan/common.c:398 mm/kasan/common.c:415)
[  728.500946][T12389]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[  728.500948][T12389]  ? snd_ac97_proc_read_main (sound/pci/ac97/ac97_proc.c:320)
[  728.500951][T12389]  ? ___sys_sendmsg (net/socket.c:2758)
[  728.500955][T12389]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2))
[  728.500957][T12389]  ? rtnl_newlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:366 net/core/rtnetlink.c:4214)
[  728.500960][T12389]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  728.500962][T12389]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  728.500963][T12389]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  728.500964][T12389]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  728.500966][T12389]  ? trace_contention_end (./include/trace/events/lock.h:121 (discriminator 22))
[  728.500969][T12389]  ? __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)
[  728.500970][T12389]  ? __mutex_lock (kernel/locking/mutex.c:656 (discriminator 1) kernel/locking/mutex.c:821 (discriminator 1))
[  728.500972][T12389]  ? rtnl_newlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:366 net/core/rtnetlink.c:4214)
[  728.500976][T12389]  ? ww_mutex_lock (kernel/locking/mutex.c:934)
[  728.500977][T12389]  ? nla_get_range_signed (lib/nlattr.c:270)
[  728.500982][T12389]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  728.500984][T12389]  ? __rtnl_newlink (net/core/rtnetlink.c:4063)
[  728.500989][T12389]  rtnl_newlink (net/core/rtnetlink.c:4215)
[  728.500995][T12389]  ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558)
[  728.500997][T12389]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[  728.501002][T12389]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2))
[  728.501004][T12389]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[  728.501006][T12389]  ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558)
[  728.501008][T12389]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554)
[  728.501012][T12389]  ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558)
[  728.501014][T12389]  rtnetlink_rcv_msg (net/core/rtnetlink.c:7132)
[  728.501017][T12389]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[  728.501018][T12389]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[  728.501023][T12389]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2))
[  728.501025][T12389]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[  728.501029][T12389]  netlink_rcv_skb (net/netlink/af_netlink.c:2556)
[  728.501032][T12389]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[  728.501035][T12389]  ? netlink_ack (./include/linux/skbuff.h:2718)
[  728.501042][T12389]  ? 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))
[  728.501044][T12389]  ? 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))
[  728.501048][T12389]  netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[  728.501052][T12389]  ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[  728.501055][T12389]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[  728.501060][T12389]  netlink_sendmsg (net/netlink/af_netlink.c:1900)
[  728.501064][T12389]  ? netlink_unicast (./include/net/net_namespace.h:422 (discriminator 7))
[  728.501068][T12389]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554)
[  728.501069][T12389]  ? __import_iovec (lib/iov_iter.c:1358 lib/iov_iter.c:1373)
[  728.501075][T12389]  __sock_sendmsg (net/socket.c:800 (discriminator 4) net/socket.c:815 (discriminator 4))
[  728.501078][T12389]  ____sys_sendmsg (net/socket.c:2713)
[  728.501085][T12389]  ? copy_msghdr_from_user (net/socket.c:2650)
[  728.501088][T12389]  ? sock_write_iter (net/socket.c:1269)
[  728.501089][T12389]  ? move_addr_to_kernel (net/socket.c:258)
[  728.501097][T12389]  ___sys_sendmsg (net/socket.c:2767)
[  728.501100][T12389]  ? copy_msghdr_from_user (net/socket.c:2619)
[  728.501117][T12389]  __sys_sendmsg (net/socket.c:2799)
[  728.501120][T12389]  ? __sys_sendmsg_sock (net/socket.c:2780)
[  728.501126][T12389]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  728.501133][T12389]  do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84)
[  728.501135][T12389]  ? exc_page_fault (arch/x86/mm/fault.c:1489 (discriminator 3) arch/x86/mm/fault.c:1536 (discriminator 3))
[  728.501139][T12389]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[  728.501141][T12389] RIP: 0033:0x7f8c5f9c654e
[  728.501145][T12389] 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
[  728.501147][T12389] RSP: 002b:00007ffcec7a8140 EFLAGS: 00000202 ORIG_RAX: 000000000000002e
[  728.501149][T12389] RAX: ffffffffffffffda RBX: 0000000000000005 RCX: 00007f8c5f9c654e
[  728.501151][T12389] RDX: 0000000000000000 RSI: 00007ffcec7a81f0 RDI: 0000000000000005
[  728.501152][T12389] RBP: 00007ffcec7a8150 R08: 0000000000000000 R09: 0000000000000000
[  728.501153][T12389] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a91129b


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