======================================
| [   11.610023][  T210] softirqs last disabled at (25673): __irq_exit_rcu (kernel/softirq.c:679 kernel/softirq.c:519 kernel/softirq.c:767)
| [   11.610026][  T210] Preemption disabled at:
| [   11.610026][  T210] 0x0
| [   11.610037][  T210] Tainted: [W]=WARN
[   11.610038][  T210] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   11.610039][  T210] Call Trace:
[   11.610041][  T210]  <TASK>
[   11.610042][  T210]  dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120)
[   11.610049][  T210]  __might_resched.cold (kernel/sched/core.c:9234)
[   11.610053][  T210]  ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3))
[   11.610057][  T210]  ? __kmalloc_noprof (./include/linux/sched/mm.h:317 mm/slub.c:4636 mm/slub.c:4974 mm/slub.c:5413 mm/slub.c:5439)
[   11.610062][  T210]  __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))
[   11.610063][  T210]  ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[   11.610070][  T210]  ? 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)
[   11.610073][  T210]  alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[   11.610077][  T210]  put_chars (drivers/char/virtio_console.c:1176)
[   11.610079][  T210]  ? __send_to_port (drivers/char/virtio_console.c:654)
[   11.610081][  T210]  ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4116 (discriminator 3) kernel/rcu/tree.c:4108 (discriminator 3))
[   11.610084][  T210]  ? validate_chain (kernel/locking/lockdep.c:3817 (discriminator 2) kernel/locking/lockdep.c:3837 (discriminator 2) kernel/locking/lockdep.c:3892 (discriminator 2))
[   11.610090][  T210]  hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2))
[   11.610097][  T210]  ? hvc_write (drivers/tty/hvc/hvc_console.c:501)
[   11.610100][  T210]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   11.610102][  T210]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   11.610105][  T210]  console_emit_next_record (kernel/printk/printk.c:3183)
[   11.610109][  T210]  ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20)
[   11.610111][  T210]  ? 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))
[   11.610114][  T210]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   11.610116][  T210]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   11.610120][  T210]  console_flush_one_record (kernel/printk/printk.c:3268)
[   11.610124][  T210]  ? console_emit_next_record (kernel/printk/printk.c:3150)
[   11.610126][  T210]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   11.610131][  T210]  console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420)
[   11.610134][  T210]  ? console_flush_one_record (kernel/printk/printk.c:3316)
[   11.610136][  T210]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   11.610137][  T210]  ? 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)
[   11.610141][  T210]  ? __down_trylock_console_sem (kernel/printk/printk.c:334)
[   11.610143][  T210]  ? vprintk_emit (kernel/printk/printk.c:2478)
[   11.610145][  T210]  vprintk_emit (kernel/printk/printk.c:2479)
[   11.610148][  T210]  ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126))
[   11.610151][  T210]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   11.610155][  T210]  _printk (kernel/printk/printk.c:2504)
[   11.610158][  T210]  ? snapshot_read.cold (user.c:?)
[   11.610161][  T210]  ? do_raw_spin_lock (./include/linux/instrumented.h:55 ./include/linux/atomic/atomic-instrumented.h:1301 ./include/asm-generic/qspinlock.h:112 kernel/locking/spinlock_debug.c:116)
[   11.610164][  T210]  ? __rwlock_init (kernel/locking/spinlock_debug.c:48)
[   11.610167][  T210]  ? do_raw_spin_lock (./include/linux/instrumented.h:55 ./include/linux/atomic/atomic-instrumented.h:1301 ./include/asm-generic/qspinlock.h:112 kernel/locking/spinlock_debug.c:116)
[   11.610170][  T210]  do_exit.cold (kernel/exit.c:889 (discriminator 4) kernel/exit.c:1043 (discriminator 4))
[   11.610174][  T210]  ? exit_notify (kernel/exit.c:780)
[   11.610175][  T210]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554)
[   11.610178][  T210]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   11.610181][  T210]  do_group_exit (kernel/exit.c:1151)
[   11.610184][  T210]  __x64_sys_exit_group (kernel/exit.c:1162 kernel/exit.c:1160 kernel/exit.c:1160)
[   11.610186][  T210]  x64_sys_call (./arch/x86/include/generated/asm/syscalls_64.h:232)
[   11.610188][  T210]  do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84)
[   11.610192][  T210]  ? exc_page_fault (arch/x86/mm/fault.c:1489 (discriminator 3) arch/x86/mm/fault.c:1536 (discriminator 3))
[   11.610195][  T210]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[   11.610197][  T210] RIP: 0033:0x7fe24e7a61b8
[   11.610200][  T210] Code: Unable to access opcode bytes at 0x7fe24e7a618e.

Code starting with the faulting instruction
===========================================
[   11.610201][  T210] RSP: 002b:00007ffd0bfa9c28 EFLAGS: 00000246 ORIG_RAX: 00000000000000e7
[   11.610203][  T210] RAX: ffffffffffffffda RBX: 00007fe24e8d6f88 RCX: 00007fe24e7a61b8
[   11.610205][  T210] RDX: 00007fe24e4f0fc8 RSI: fffffffffffffeb8 RDI: 0000000000000000
[   11.610206][  T210] RBP: 00007ffd0bfa9c80 R08: 0000000000000000 R09: 0000000000000050
[   11.610207][  T210] R10: 00007ffd0bfa9a40 R11: 0000000000000246 R12: 0000000000000001
[   11.610207][  T210] R13: 0000000000000000 R14: 00007fe24e8d5680 R15: 00007fe24e8d6fa0
| [   16.950616][  T343] softirqs last disabled at (24030): netif_change_name (./include/linux/spinlock.h:353 ./include/linux/seqlock.h:908 net/core/dev.c:1499)
| [   16.950620][  T343] Preemption disabled at:
| [   16.950620][  T343] vprintk_emit (kernel/printk/printk.c:2471)
| [   16.950632][  T343] Tainted: [W]=WARN
[   16.950634][  T343] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   16.950636][  T343] Call Trace:
[   16.950638][  T343]  <TASK>
[   16.950640][  T343]  dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120)
[   16.950648][  T343]  ? vprintk_emit (kernel/printk/printk.c:2471)
[   16.950651][  T343]  __might_resched.cold (kernel/sched/core.c:9234)
[   16.950657][  T343]  ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3))
[   16.950663][  T343]  ? __kmalloc_noprof (./include/linux/sched/mm.h:317 mm/slub.c:4636 mm/slub.c:4974 mm/slub.c:5413 mm/slub.c:5439)
[   16.950670][  T343]  __kmalloc_noprof (./include/linux/sched/mm.h:322 (discriminator 2) mm/slub.c:4636 (discriminator 2) mm/slub.c:4974 (discriminator 2) mm/slub.c:5413 (discriminator 2) mm/slub.c:5439 (discriminator 2))
[   16.950673][  T343]  ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[   16.950683][  T343]  ? do_raw_spin_unlock (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:32 ./include/asm-generic/qspinlock.h:58 kernel/locking/spinlock_debug.c:101 kernel/locking/spinlock_debug.c:141)
[   16.950687][  T343]  alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[   16.950693][  T343]  put_chars (drivers/char/virtio_console.c:1176)
[   16.950697][  T343]  ? __send_to_port (drivers/char/virtio_console.c:654)
[   16.950709][  T343]  hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2))
[   16.950721][  T343]  ? hvc_write (drivers/tty/hvc/hvc_console.c:501)
[   16.950726][  T343]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   16.950734][  T343]  console_emit_next_record (kernel/printk/printk.c:3183)
[   16.950740][  T343]  ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20)
[   16.950743][  T343]  ? console_flush_one_record (./include/linux/rcupdate.h:314 (discriminator 2) ./include/linux/srcu.h:439 (discriminator 2) kernel/printk/printk.c:291 (discriminator 2) kernel/printk/printk.c:3246 (discriminator 2))
[   16.950748][  T343]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   16.950752][  T343]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   16.950759][  T343]  console_flush_one_record (kernel/printk/printk.c:3268)
[   16.950766][  T343]  ? console_emit_next_record (kernel/printk/printk.c:3150)
[   16.950769][  T343]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   16.950779][  T343]  console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420)
[   16.950783][  T343]  ? console_flush_one_record (kernel/printk/printk.c:3316)
[   16.950786][  T343]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   16.950789][  T343]  ? 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)
[   16.950795][  T343]  ? __down_trylock_console_sem (kernel/printk/printk.c:334)
[   16.950798][  T343]  ? vprintk_emit (kernel/printk/printk.c:2478)
[   16.950803][  T343]  vprintk_emit (kernel/printk/printk.c:2479)
[   16.950809][  T343]  ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126))
[   16.950813][  T343]  ? _mutex_trylock_nest_lock (kernel/locking/mutex.c:1227 (discriminator 6))
[   16.950821][  T343]  _printk (kernel/printk/printk.c:2504)
[   16.950833][  T343]  ? snapshot_read.cold (user.c:?)
[   16.950835][  T343]  ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4116 (discriminator 3) kernel/rcu/tree.c:4108 (discriminator 3))
[   16.950840][  T343]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380)
[   16.950847][  T343]  ? validate_chain (kernel/locking/lockdep.c:3817 (discriminator 2) kernel/locking/lockdep.c:3837 (discriminator 2) kernel/locking/lockdep.c:3892 (discriminator 2))
[   16.950851][  T343]  ? netdev_name (./include/linux/netdevice.h:5709 (discriminator 1))
[   16.950856][  T343]  ? __netdev_printk (net/core/dev.c:13148 (discriminator 2))
[   16.950860][  T343]  ? do_setlink.isra.0 (net/core/rtnetlink.c:3246)
[   16.950864][  T343]  netdev_info (net/core/dev.c:13195 (discriminator 3))
[   16.950868][  T343]  ? netdev_notice (net/core/dev.c:13194)
[   16.950872][  T343]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[   16.950877][  T343]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554)
[   16.950881][  T343]  ? mark_held_locks (kernel/locking/lockdep.c:4341)
[   16.950887][  T343]  ? do_setlink.isra.0 (net/core/rtnetlink.c:3246)
[   16.950891][  T343]  netif_change_name.cold (net/core/dev.c:1507 (discriminator 3))
[   16.950894][  T343]  ? register_netdev (net/core/dev.c:11618)
[   16.950896][  T343]  ? is_bpf_text_address (./include/linux/rcupdate.h:319 (discriminator 2) ./include/linux/rcupdate.h:880 (discriminator 2) kernel/bpf/core.c:751 (discriminator 2))
[   16.950904][  T343]  ? netdev_adjacent_rename_links (net/core/dev.c:9598)
[   16.950908][  T343]  ? __kernel_text_address (kernel/extable.c:79)
[   16.950911][  T343]  ? write_profile (profile.c:?)
[   16.950918][  T343]  ? __asan_memset (mm/kasan/shadow.c:84 (discriminator 1))
[   16.950927][  T343]  do_setlink.isra.0 (net/core/rtnetlink.c:3246)
[   16.950932][  T343]  ? stack_trace_save (kernel/stacktrace.c:122 (discriminator 1))
[   16.950936][  T343]  ? rtnl_link_get_size (net/core/rtnetlink.c:747)
[   16.950938][  T343]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:388 kernel/rcu/update.c:380)
[   16.950941][  T343]  ? stack_depot_save_flags (lib/stackdepot.c:609 (discriminator 2) lib/stackdepot.c:676 (discriminator 2))
[   16.950945][  T343]  ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4116 (discriminator 3) kernel/rcu/tree.c:4108 (discriminator 3))
[   16.950948][  T343]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380)
[   16.950951][  T343]  ? validate_chain (kernel/locking/lockdep.c:3817 (discriminator 2) kernel/locking/lockdep.c:3837 (discriminator 2) kernel/locking/lockdep.c:3892 (discriminator 2))
[   16.950955][  T343]  ? kasan_save_stack (mm/kasan/common.c:58)
[   16.950958][  T343]  ? kasan_save_stack (mm/kasan/common.c:57)
[   16.950960][  T343]  ? kasan_save_track (mm/kasan/common.c:78)
[   16.950963][  T343]  ? __kasan_kmalloc (mm/kasan/common.c:398 mm/kasan/common.c:415)
[   16.950967][  T343]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   16.950970][  T343]  ? snd_ac97_proc_read_main (sound/pci/ac97/ac97_proc.c:320)
[   16.950974][  T343]  ? ___sys_sendmsg (net/socket.c:2758)
[   16.950980][  T343]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2))
[   16.950983][  T343]  ? rtnl_newlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:366 net/core/rtnetlink.c:4214)
[   16.950988][  T343]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   16.950991][  T343]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   16.950994][  T343]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   16.950996][  T343]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   16.950999][  T343]  ? trace_contention_end (./include/trace/events/lock.h:121 (discriminator 22))
[   16.951003][  T343]  ? __mutex_lock (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:3188 kernel/locking/mutex.c:89 kernel/locking/mutex.c:134 kernel/locking/mutex.c:649 kernel/locking/mutex.c:821)
[   16.951005][  T343]  ? __mutex_lock (kernel/locking/mutex.c:656 (discriminator 1) kernel/locking/mutex.c:821 (discriminator 1))
[   16.951008][  T343]  ? rtnl_newlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:366 net/core/rtnetlink.c:4214)
[   16.951015][  T343]  ? ww_mutex_lock (kernel/locking/mutex.c:934)
[   16.951017][  T343]  ? nla_get_range_signed (lib/nlattr.c:270)
[   16.951024][  T343]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   16.951029][  T343]  ? __rtnl_newlink (net/core/rtnetlink.c:4063)
[   16.951038][  T343]  rtnl_newlink (net/core/rtnetlink.c:4215)
[   16.951048][  T343]  ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558)
[   16.951051][  T343]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   16.951059][  T343]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2))
[   16.951062][  T343]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[   16.951065][  T343]  ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558)
[   16.951068][  T343]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554)
[   16.951075][  T343]  ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558)
[   16.951079][  T343]  rtnetlink_rcv_msg (net/core/rtnetlink.c:7132)
[   16.951084][  T343]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   16.951086][  T343]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   16.951094][  T343]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2))
[   16.951097][  T343]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[   16.951103][  T343]  netlink_rcv_skb (net/netlink/af_netlink.c:2556)
[   16.951107][  T343]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   16.951112][  T343]  ? netlink_ack (./include/linux/skbuff.h:2718)
[   16.951124][  T343]  ? netlink_deliver_tap (./include/linux/rcupdate.h:319 (discriminator 2) ./include/linux/rcupdate.h:880 (discriminator 2) ./include/net/netns/generic.h:48 (discriminator 2) net/netlink/af_netlink.c:334 (discriminator 2))
[   16.951127][  T343]  ? netlink_deliver_tap (./include/linux/rcupdate.h:319 (discriminator 2) ./include/linux/rcupdate.h:880 (discriminator 2) net/netlink/af_netlink.c:341 (discriminator 2))
[   16.951135][  T343]  netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[   16.951141][  T343]  ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[   16.951146][  T343]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[   16.951153][  T343]  netlink_sendmsg (net/netlink/af_netlink.c:1900)
[   16.951160][  T343]  ? netlink_unicast (./include/net/net_namespace.h:422 (discriminator 7))
[   16.951167][  T343]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554)
[   16.951169][  T343]  ? __import_iovec (lib/iov_iter.c:1358 lib/iov_iter.c:1373)
[   16.951177][  T343]  __sock_sendmsg (net/socket.c:800 (discriminator 4) net/socket.c:815 (discriminator 4))
[   16.951182][  T343]  ____sys_sendmsg (net/socket.c:2713)
[   16.951186][  T343]  ? copy_msghdr_from_user (net/socket.c:2650)
[   16.951189][  T343]  ? sock_write_iter (net/socket.c:1269)
[   16.951192][  T343]  ? move_addr_to_kernel (net/socket.c:258)
[   16.951205][  T343]  ___sys_sendmsg (net/socket.c:2767)
[   16.951210][  T343]  ? copy_msghdr_from_user (net/socket.c:2619)
[   16.951240][  T343]  __sys_sendmsg (net/socket.c:2799)
[   16.951244][  T343]  ? __sys_sendmsg_sock (net/socket.c:2780)
[   16.951255][  T343]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   16.951261][  T343]  do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84)
[   16.951265][  T343]  ? exc_page_fault (arch/x86/mm/fault.c:1489 (discriminator 3) arch/x86/mm/fault.c:1536 (discriminator 3))
[   16.951270][  T343]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[   16.951273][  T343] RIP: 0033:0x7f25af61954e
[   16.951278][  T343] Code: 4d 89 d8 e8 b4 bd 00 00 4c 8b 5d f8 41 8b 93 08 03 00 00 59 5e 48 83 f8 fc 74 11 c9 c3 0f 1f 80 00 00 00 00 48 8b 45 10 0f 05 <c9> c3 83 e2 39 83 fa 08 75 e7 e8 03 ff ff ff 0f 1f 00 f3 0f 1e fa
All code
========
   0:	4d 89 d8             	mov    %r11,%r8
   3:	e8 b4 bd 00 00       	call   0xbdbc
   8:	4c 8b 5d f8          	mov    -0x8(%rbp),%r11
   c:	41 8b 93 08 03 00 00 	mov    0x308(%r11),%edx
  13:	59                   	pop    %rcx
  14:	5e                   	pop    %rsi
  15:	48 83 f8 fc          	cmp    $0xfffffffffffffffc,%rax
  19:	74 11                	je     0x2c
  1b:	c9                   	leave
  1c:	c3                   	ret
  1d:	0f 1f 80 00 00 00 00 	nopl   0x0(%rax)
  24:	48 8b 45 10          	mov    0x10(%rbp),%rax
  28:	0f 05                	syscall
  2a:*	c9                   	leave		<-- trapping instruction
  2b:	c3                   	ret
  2c:	83 e2 39             	and    $0x39,%edx
  2f:	83 fa 08             	cmp    $0x8,%edx
  32:	75 e7                	jne    0x1b
  34:	e8 03 ff ff ff       	call   0xffffffffffffff3c
  39:	0f 1f 00             	nopl   (%rax)
  3c:	f3 0f 1e fa          	endbr64

Code starting with the faulting instruction
===========================================
   0:	c9                   	leave
   1:	c3                   	ret
   2:	83 e2 39             	and    $0x39,%edx
   5:	83 fa 08             	cmp    $0x8,%edx
   8:	75 e7                	jne    0xfffffffffffffff1
   a:	e8 03 ff ff ff       	call   0xffffffffffffff12
   f:	0f 1f 00             	nopl   (%rax)
  12:	f3 0f 1e fa          	endbr64
[   16.951281][  T343] RSP: 002b:00007ffca14b9430 EFLAGS: 00000202 ORIG_RAX: 000000000000002e
[   16.951285][  T343] RAX: ffffffffffffffda RBX: 0000000000000006 RCX: 00007f25af61954e
[   16.951287][  T343] RDX: 0000000000000000 RSI: 00007ffca14b94e0 RDI: 0000000000000005
[   16.951288][  T343] RBP: 00007ffca14b9440 R08: 0000000000000000 R09: 0000000000000000
[   16.951290][  T343] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a915919
[   16.951291][  T343] R13: 00000000004a1620 R14: 0000000000000000 R15: 00007ffca14b9bb0
| [   22.514602][  T456] softirqs last disabled at (15782): netif_change_name (./include/linux/spinlock.h:353 ./include/linux/seqlock.h:908 net/core/dev.c:1499)
| [   22.514605][  T456] Preemption disabled at:
| [   22.514605][  T456] vprintk_emit (kernel/printk/printk.c:2471)
| [   22.514613][  T456] Tainted: [W]=WARN
[   22.514614][  T456] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   22.514616][  T456] Call Trace:
[   22.514618][  T456]  <TASK>
[   22.514619][  T456]  dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120)
[   22.514625][  T456]  ? vprintk_emit (kernel/printk/printk.c:2471)
[   22.514627][  T456]  __might_resched.cold (kernel/sched/core.c:9234)
[   22.514631][  T456]  ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3))
[   22.514635][  T456]  ? __kmalloc_noprof (./include/linux/sched/mm.h:317 mm/slub.c:4636 mm/slub.c:4974 mm/slub.c:5413 mm/slub.c:5439)
[   22.514639][  T456]  __kmalloc_noprof (./include/linux/sched/mm.h:322 (discriminator 2) mm/slub.c:4636 (discriminator 2) mm/slub.c:4974 (discriminator 2) mm/slub.c:5413 (discriminator 2) mm/slub.c:5439 (discriminator 2))
[   22.514641][  T456]  ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[   22.514648][  T456]  ? do_raw_spin_unlock (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:32 ./include/asm-generic/qspinlock.h:58 kernel/locking/spinlock_debug.c:101 kernel/locking/spinlock_debug.c:141)
[   22.514651][  T456]  alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[   22.514654][  T456]  put_chars (drivers/char/virtio_console.c:1176)
[   22.514657][  T456]  ? __send_to_port (drivers/char/virtio_console.c:654)
[   22.514663][  T456]  hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2))
[   22.514670][  T456]  ? hvc_write (drivers/tty/hvc/hvc_console.c:501)
[   22.514674][  T456]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   22.514678][  T456]  console_emit_next_record (kernel/printk/printk.c:3183)
[   22.514682][  T456]  ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20)
[   22.514684][  T456]  ? console_flush_one_record (./include/linux/rcupdate.h:314 (discriminator 2) ./include/linux/srcu.h:439 (discriminator 2) kernel/printk/printk.c:291 (discriminator 2) kernel/printk/printk.c:3246 (discriminator 2))
[   22.514687][  T456]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   22.514690][  T456]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   22.514693][  T456]  console_flush_one_record (kernel/printk/printk.c:3268)
[   22.514698][  T456]  ? console_emit_next_record (kernel/printk/printk.c:3150)
[   22.514700][  T456]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   22.514705][  T456]  console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420)
[   22.514708][  T456]  ? console_flush_one_record (kernel/printk/printk.c:3316)
[   22.514710][  T456]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   22.514711][  T456]  ? lock_acquire (./include/linux/srcutree.h:374 ./include/linux/srcu.h:541 ./include/linux/srcu.h:645 ./include/trace/events/lock.h:23 ./include/trace/events/lock.h:23 kernel/locking/lockdep.c:5871)
[   22.514715][  T456]  ? __down_trylock_console_sem (kernel/printk/printk.c:334)
[   22.514717][  T456]  ? vprintk_emit (kernel/printk/printk.c:2478)
[   22.514719][  T456]  vprintk_emit (kernel/printk/printk.c:2479)
[   22.514723][  T456]  ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126))
[   22.514725][  T456]  ? _mutex_trylock_nest_lock (kernel/locking/mutex.c:1227 (discriminator 6))
[   22.514730][  T456]  _printk (kernel/printk/printk.c:2504)
[   22.514734][  T456]  ? snapshot_read.cold (user.c:?)
[   22.514736][  T456]  ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4116 (discriminator 3) kernel/rcu/tree.c:4108 (discriminator 3))
[   22.514739][  T456]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380)
[   22.514741][  T456]  ? validate_chain (kernel/locking/lockdep.c:3817 (discriminator 2) kernel/locking/lockdep.c:3837 (discriminator 2) kernel/locking/lockdep.c:3892 (discriminator 2))
[   22.514744][  T456]  ? netdev_name (./include/linux/netdevice.h:5709 (discriminator 1))
[   22.514747][  T456]  ? __netdev_printk (net/core/dev.c:13148 (discriminator 2))
[   22.514750][  T456]  ? do_setlink.isra.0 (net/core/rtnetlink.c:3246)
[   22.514752][  T456]  netdev_info (net/core/dev.c:13195 (discriminator 3))
[   22.514755][  T456]  ? netdev_notice (net/core/dev.c:13194)
[   22.514758][  T456]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[   22.514761][  T456]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554)
[   22.514763][  T456]  ? mark_held_locks (kernel/locking/lockdep.c:4341)
[   22.514767][  T456]  ? do_setlink.isra.0 (net/core/rtnetlink.c:3246)
[   22.514769][  T456]  netif_change_name.cold (net/core/dev.c:1507 (discriminator 3))
[   22.514771][  T456]  ? register_netdev (net/core/dev.c:11618)
[   22.514772][  T456]  ? is_bpf_text_address (./include/linux/rcupdate.h:319 (discriminator 2) ./include/linux/rcupdate.h:880 (discriminator 2) kernel/bpf/core.c:751 (discriminator 2))
[   22.514778][  T456]  ? netdev_adjacent_rename_links (net/core/dev.c:9598)
[   22.514780][  T456]  ? __kernel_text_address (kernel/extable.c:79)
[   22.514783][  T456]  ? write_profile (profile.c:?)
[   22.514787][  T456]  ? __asan_memset (mm/kasan/shadow.c:84 (discriminator 1))
[   22.514793][  T456]  do_setlink.isra.0 (net/core/rtnetlink.c:3246)
[   22.514796][  T456]  ? stack_trace_save (kernel/stacktrace.c:122 (discriminator 1))
[   22.514798][  T456]  ? rtnl_link_get_size (net/core/rtnetlink.c:747)
[   22.514800][  T456]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:388 kernel/rcu/update.c:380)
[   22.514801][  T456]  ? stack_depot_save_flags (lib/stackdepot.c:609 (discriminator 2) lib/stackdepot.c:676 (discriminator 2))
[   22.514805][  T456]  ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4116 (discriminator 3) kernel/rcu/tree.c:4108 (discriminator 3))
[   22.514807][  T456]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380)
[   22.514809][  T456]  ? validate_chain (kernel/locking/lockdep.c:3817 (discriminator 2) kernel/locking/lockdep.c:3837 (discriminator 2) kernel/locking/lockdep.c:3892 (discriminator 2))
[   22.514811][  T456]  ? kasan_save_stack (mm/kasan/common.c:58)
[   22.514813][  T456]  ? kasan_save_stack (mm/kasan/common.c:57)
[   22.514814][  T456]  ? kasan_save_track (mm/kasan/common.c:78)
[   22.514815][  T456]  ? __kasan_kmalloc (mm/kasan/common.c:398 mm/kasan/common.c:415)
[   22.514817][  T456]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   22.514819][  T456]  ? snd_ac97_proc_read_main (sound/pci/ac97/ac97_proc.c:320)
[   22.514823][  T456]  ? ___sys_sendmsg (net/socket.c:2758)
[   22.514827][  T456]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2))
[   22.514829][  T456]  ? rtnl_newlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:366 net/core/rtnetlink.c:4214)
[   22.514831][  T456]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   22.514833][  T456]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   22.514834][  T456]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   22.514835][  T456]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   22.514837][  T456]  ? trace_contention_end (./include/trace/events/lock.h:121 (discriminator 22))
[   22.514839][  T456]  ? __mutex_lock (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:3188 kernel/locking/mutex.c:89 kernel/locking/mutex.c:134 kernel/locking/mutex.c:649 kernel/locking/mutex.c:821)
[   22.514841][  T456]  ? __mutex_lock (kernel/locking/mutex.c:656 (discriminator 1) kernel/locking/mutex.c:821 (discriminator 1))
[   22.514842][  T456]  ? rtnl_newlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:366 net/core/rtnetlink.c:4214)
[   22.514854][  T456]  ? ww_mutex_lock (kernel/locking/mutex.c:934)
[   22.514855][  T456]  ? nla_get_range_signed (lib/nlattr.c:270)
[   22.514860][  T456]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   22.514862][  T456]  ? __rtnl_newlink (net/core/rtnetlink.c:4063)
[   22.514867][  T456]  rtnl_newlink (net/core/rtnetlink.c:4215)
[   22.514873][  T456]  ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558)
[   22.514875][  T456]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   22.514879][  T456]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2))
[   22.514881][  T456]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[   22.514883][  T456]  ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558)
[   22.514885][  T456]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554)
[   22.514888][  T456]  ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558)
[   22.514890][  T456]  rtnetlink_rcv_msg (net/core/rtnetlink.c:7132)
[   22.514893][  T456]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   22.514895][  T456]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   22.514899][  T456]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2))
[   22.514901][  T456]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[   22.514905][  T456]  netlink_rcv_skb (net/netlink/af_netlink.c:2556)
[   22.514908][  T456]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   22.514911][  T456]  ? netlink_ack (./include/linux/skbuff.h:2718)
[   22.514917][  T456]  ? netlink_deliver_tap (./include/linux/rcupdate.h:319 (discriminator 2) ./include/linux/rcupdate.h:880 (discriminator 2) ./include/net/netns/generic.h:48 (discriminator 2) net/netlink/af_netlink.c:334 (discriminator 2))
[   22.514919][  T456]  ? netlink_deliver_tap (./include/linux/rcupdate.h:319 (discriminator 2) ./include/linux/rcupdate.h:880 (discriminator 2) net/netlink/af_netlink.c:341 (discriminator 2))
[   22.514923][  T456]  netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[   22.514927][  T456]  ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[   22.514930][  T456]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[   22.514934][  T456]  netlink_sendmsg (net/netlink/af_netlink.c:1900)
[   22.514938][  T456]  ? netlink_unicast (./include/net/net_namespace.h:422 (discriminator 7))
[   22.514942][  T456]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554)
[   22.514943][  T456]  ? __import_iovec (lib/iov_iter.c:1358 lib/iov_iter.c:1373)
[   22.514949][  T456]  __sock_sendmsg (net/socket.c:800 (discriminator 4) net/socket.c:815 (discriminator 4))
[   22.514951][  T456]  ____sys_sendmsg (net/socket.c:2713)
[   22.514954][  T456]  ? copy_msghdr_from_user (net/socket.c:2650)
[   22.514956][  T456]  ? sock_write_iter (net/socket.c:1269)
[   22.514957][  T456]  ? move_addr_to_kernel (net/socket.c:258)
[   22.514965][  T456]  ___sys_sendmsg (net/socket.c:2767)
[   22.514967][  T456]  ? copy_msghdr_from_user (net/socket.c:2619)
[   22.514983][  T456]  __sys_sendmsg (net/socket.c:2799)
[   22.514986][  T456]  ? __sys_sendmsg_sock (net/socket.c:2780)
[   22.514992][  T456]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   22.514995][  T456]  do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84)
[   22.514998][  T456]  ? exc_page_fault (arch/x86/mm/fault.c:1489 (discriminator 3) arch/x86/mm/fault.c:1536 (discriminator 3))
[   22.515001][  T456]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[   22.515004][  T456] RIP: 0033:0x7f583406054e
[   22.515007][  T456] Code: 4d 89 d8 e8 b4 bd 00 00 4c 8b 5d f8 41 8b 93 08 03 00 00 59 5e 48 83 f8 fc 74 11 c9 c3 0f 1f 80 00 00 00 00 48 8b 45 10 0f 05 <c9> c3 83 e2 39 83 fa 08 75 e7 e8 03 ff ff ff 0f 1f 00 f3 0f 1e fa
All code
========
   0:	4d 89 d8             	mov    %r11,%r8
   3:	e8 b4 bd 00 00       	call   0xbdbc
   8:	4c 8b 5d f8          	mov    -0x8(%rbp),%r11
   c:	41 8b 93 08 03 00 00 	mov    0x308(%r11),%edx
  13:	59                   	pop    %rcx
  14:	5e                   	pop    %rsi
  15:	48 83 f8 fc          	cmp    $0xfffffffffffffffc,%rax
  19:	74 11                	je     0x2c
  1b:	c9                   	leave
  1c:	c3                   	ret
  1d:	0f 1f 80 00 00 00 00 	nopl   0x0(%rax)
  24:	48 8b 45 10          	mov    0x10(%rbp),%rax
  28:	0f 05                	syscall
  2a:*	c9                   	leave		<-- trapping instruction
  2b:	c3                   	ret
  2c:	83 e2 39             	and    $0x39,%edx
  2f:	83 fa 08             	cmp    $0x8,%edx
  32:	75 e7                	jne    0x1b
  34:	e8 03 ff ff ff       	call   0xffffffffffffff3c
  39:	0f 1f 00             	nopl   (%rax)
  3c:	f3 0f 1e fa          	endbr64

Code starting with the faulting instruction
===========================================
   0:	c9                   	leave
   1:	c3                   	ret
   2:	83 e2 39             	and    $0x39,%edx
   5:	83 fa 08             	cmp    $0x8,%edx
   8:	75 e7                	jne    0xfffffffffffffff1
   a:	e8 03 ff ff ff       	call   0xffffffffffffff12
   f:	0f 1f 00             	nopl   (%rax)
  12:	f3 0f 1e fa          	endbr64
[   22.515009][  T456] RSP: 002b:00007ffc0140da50 EFLAGS: 00000202 ORIG_RAX: 000000000000002e
[   22.515012][  T456] RAX: ffffffffffffffda RBX: 0000000000000006 RCX: 00007f583406054e
[   22.515014][  T456] RDX: 0000000000000000 RSI: 00007ffc0140db00 RDI: 0000000000000005
[   22.515015][  T456] RBP: 00007ffc0140da60 R08: 0000000000000000 R09: 0000000000000000
[   22.515015][  T456] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a91591e
[   22.515016][  T456] R13: 00000000004a1620 R14: 0000000000000000 R15: 00007ffc0140e1d0
| [   27.994500][  T570] softirqs last disabled at (24796): netif_change_name (./include/linux/spinlock.h:353 ./include/linux/seqlock.h:908 net/core/dev.c:1499)
| [   27.994503][  T570] Preemption disabled at:
| [   27.994504][  T570] vprintk_emit (kernel/printk/printk.c:2471)
| [   27.994512][  T570] Tainted: [W]=WARN
[   27.994513][  T570] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   27.994515][  T570] Call Trace:
[   27.994517][  T570]  <TASK>
[   27.994518][  T570]  dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120)
[   27.994525][  T570]  ? vprintk_emit (kernel/printk/printk.c:2471)
[   27.994526][  T570]  __might_resched.cold (kernel/sched/core.c:9234)
[   27.994531][  T570]  ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3))
[   27.994535][  T570]  ? __kmalloc_noprof (./include/linux/sched/mm.h:317 mm/slub.c:4636 mm/slub.c:4974 mm/slub.c:5413 mm/slub.c:5439)
[   27.994540][  T570]  __kmalloc_noprof (./include/linux/sched/mm.h:322 (discriminator 2) mm/slub.c:4636 (discriminator 2) mm/slub.c:4974 (discriminator 2) mm/slub.c:5413 (discriminator 2) mm/slub.c:5439 (discriminator 2))
[   27.994541][  T570]  ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[   27.994548][  T570]  ? do_raw_spin_unlock (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:32 ./include/asm-generic/qspinlock.h:58 kernel/locking/spinlock_debug.c:101 kernel/locking/spinlock_debug.c:141)
[   27.994551][  T570]  alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[   27.994555][  T570]  put_chars (drivers/char/virtio_console.c:1176)
[   27.994557][  T570]  ? __send_to_port (drivers/char/virtio_console.c:654)
[   27.994564][  T570]  hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2))
[   27.994571][  T570]  ? hvc_write (drivers/tty/hvc/hvc_console.c:501)
[   27.994575][  T570]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   27.994579][  T570]  console_emit_next_record (kernel/printk/printk.c:3183)
[   27.994583][  T570]  ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20)
[   27.994585][  T570]  ? console_flush_one_record (./include/linux/rcupdate.h:314 (discriminator 2) ./include/linux/srcu.h:439 (discriminator 2) kernel/printk/printk.c:291 (discriminator 2) kernel/printk/printk.c:3246 (discriminator 2))
[   27.994588][  T570]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   27.994591][  T570]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   27.994595][  T570]  console_flush_one_record (kernel/printk/printk.c:3268)
[   27.994599][  T570]  ? console_emit_next_record (kernel/printk/printk.c:3150)
[   27.994601][  T570]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   27.994606][  T570]  console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420)
[   27.994609][  T570]  ? console_flush_one_record (kernel/printk/printk.c:3316)
[   27.994611][  T570]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   27.994613][  T570]  ? 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)
[   27.994617][  T570]  ? __down_trylock_console_sem (kernel/printk/printk.c:334)
[   27.994618][  T570]  ? vprintk_emit (kernel/printk/printk.c:2478)
[   27.994621][  T570]  vprintk_emit (kernel/printk/printk.c:2479)
[   27.994624][  T570]  ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126))
[   27.994627][  T570]  ? _mutex_trylock_nest_lock (kernel/locking/mutex.c:1227 (discriminator 6))
[   27.994632][  T570]  _printk (kernel/printk/printk.c:2504)
[   27.994636][  T570]  ? snapshot_read.cold (user.c:?)
[   27.994637][  T570]  ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4116 (discriminator 3) kernel/rcu/tree.c:4108 (discriminator 3))
[   27.994640][  T570]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380)
[   27.994643][  T570]  ? validate_chain (kernel/locking/lockdep.c:3817 (discriminator 2) kernel/locking/lockdep.c:3837 (discriminator 2) kernel/locking/lockdep.c:3892 (discriminator 2))
[   27.994645][  T570]  ? netdev_name (./include/linux/netdevice.h:5709 (discriminator 1))
[   27.994649][  T570]  ? __netdev_printk (net/core/dev.c:13148 (discriminator 2))
[   27.994652][  T570]  ? do_setlink.isra.0 (net/core/rtnetlink.c:3246)
[   27.994654][  T570]  netdev_info (net/core/dev.c:13195 (discriminator 3))
[   27.994657][  T570]  ? netdev_notice (net/core/dev.c:13194)
[   27.994660][  T570]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[   27.994663][  T570]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554)
[   27.994666][  T570]  ? mark_held_locks (kernel/locking/lockdep.c:4341)
[   27.994669][  T570]  ? do_setlink.isra.0 (net/core/rtnetlink.c:3246)
[   27.994671][  T570]  netif_change_name.cold (net/core/dev.c:1507 (discriminator 3))
[   27.994673][  T570]  ? register_netdev (net/core/dev.c:11618)
[   27.994675][  T570]  ? is_bpf_text_address (./include/linux/rcupdate.h:319 (discriminator 2) ./include/linux/rcupdate.h:880 (discriminator 2) kernel/bpf/core.c:751 (discriminator 2))
[   27.994680][  T570]  ? netdev_adjacent_rename_links (net/core/dev.c:9598)
[   27.994683][  T570]  ? __kernel_text_address (kernel/extable.c:79)
[   27.994686][  T570]  ? write_profile (profile.c:?)
[   27.994690][  T570]  ? __asan_memset (mm/kasan/shadow.c:84 (discriminator 1))
[   27.994696][  T570]  do_setlink.isra.0 (net/core/rtnetlink.c:3246)
[   27.994699][  T570]  ? stack_trace_save (kernel/stacktrace.c:122 (discriminator 1))
[   27.994701][  T570]  ? rtnl_link_get_size (net/core/rtnetlink.c:747)
[   27.994703][  T570]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:388 kernel/rcu/update.c:380)
[   27.994704][  T570]  ? stack_depot_save_flags (lib/stackdepot.c:609 (discriminator 2) lib/stackdepot.c:676 (discriminator 2))
[   27.994708][  T570]  ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4116 (discriminator 3) kernel/rcu/tree.c:4108 (discriminator 3))
[   27.994710][  T570]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380)
[   27.994712][  T570]  ? validate_chain (kernel/locking/lockdep.c:3817 (discriminator 2) kernel/locking/lockdep.c:3837 (discriminator 2) kernel/locking/lockdep.c:3892 (discriminator 2))
[   27.994714][  T570]  ? kasan_save_stack (mm/kasan/common.c:58)
[   27.994716][  T570]  ? kasan_save_stack (mm/kasan/common.c:57)
[   27.994718][  T570]  ? kasan_save_track (mm/kasan/common.c:78)
[   27.994719][  T570]  ? __kasan_kmalloc (mm/kasan/common.c:398 mm/kasan/common.c:415)
[   27.994721][  T570]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   27.994723][  T570]  ? snd_ac97_proc_read_main (sound/pci/ac97/ac97_proc.c:320)
[   27.994726][  T570]  ? ___sys_sendmsg (net/socket.c:2758)
[   27.994730][  T570]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2))
[   27.994732][  T570]  ? rtnl_newlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:366 net/core/rtnetlink.c:4214)
[   27.994735][  T570]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   27.994736][  T570]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   27.994738][  T570]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   27.994739][  T570]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   27.994741][  T570]  ? trace_contention_end (./include/trace/events/lock.h:121 (discriminator 22))
[   27.994743][  T570]  ? __mutex_lock (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:3188 kernel/locking/mutex.c:89 kernel/locking/mutex.c:134 kernel/locking/mutex.c:649 kernel/locking/mutex.c:821)
[   27.994744][  T570]  ? __mutex_lock (kernel/locking/mutex.c:656 (discriminator 1) kernel/locking/mutex.c:821 (discriminator 1))
[   27.994746][  T570]  ? rtnl_newlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:366 net/core/rtnetlink.c:4214)
[   27.994749][  T570]  ? ww_mutex_lock (kernel/locking/mutex.c:934)
[   27.994750][  T570]  ? nla_get_range_signed (lib/nlattr.c:270)
[   27.994756][  T570]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   27.994758][  T570]  ? __rtnl_newlink (net/core/rtnetlink.c:4063)
[   27.994763][  T570]  rtnl_newlink (net/core/rtnetlink.c:4215)
[   27.994768][  T570]  ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558)
[   27.994770][  T570]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   27.994775][  T570]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2))
[   27.994777][  T570]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[   27.994779][  T570]  ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558)
[   27.994781][  T570]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554)
[   27.994785][  T570]  ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558)
[   27.994787][  T570]  rtnetlink_rcv_msg (net/core/rtnetlink.c:7132)
[   27.994790][  T570]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   27.994791][  T570]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   27.994796][  T570]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2))
[   27.994798][  T570]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[   27.994801][  T570]  netlink_rcv_skb (net/netlink/af_netlink.c:2556)
[   27.994804][  T570]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   27.994807][  T570]  ? netlink_ack (./include/linux/skbuff.h:2718)
[   27.994814][  T570]  ? netlink_deliver_tap (./include/linux/rcupdate.h:319 (discriminator 2) ./include/linux/rcupdate.h:880 (discriminator 2) ./include/net/netns/generic.h:48 (discriminator 2) net/netlink/af_netlink.c:334 (discriminator 2))
[   27.994816][  T570]  ? netlink_deliver_tap (./include/linux/rcupdate.h:319 (discriminator 2) ./include/linux/rcupdate.h:880 (discriminator 2) net/netlink/af_netlink.c:341 (discriminator 2))
[   27.994820][  T570]  netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[   27.994825][  T570]  ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[   27.994827][  T570]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[   27.994831][  T570]  netlink_sendmsg (net/netlink/af_netlink.c:1900)
[   27.994835][  T570]  ? netlink_unicast (./include/net/net_namespace.h:422 (discriminator 7))
[   27.994839][  T570]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554)
[   27.994841][  T570]  ? __import_iovec (lib/iov_iter.c:1358 lib/iov_iter.c:1373)
[   27.994850][  T570]  __sock_sendmsg (net/socket.c:800 (discriminator 4) net/socket.c:815 (discriminator 4))
[   27.994853][  T570]  ____sys_sendmsg (net/socket.c:2713)
[   27.994855][  T570]  ? copy_msghdr_from_user (net/socket.c:2650)
[   27.994857][  T570]  ? sock_write_iter (net/socket.c:1269)
[   27.994859][  T570]  ? move_addr_to_kernel (net/socket.c:258)
[   27.994866][  T570]  ___sys_sendmsg (net/socket.c:2767)
[   27.994869][  T570]  ? copy_msghdr_from_user (net/socket.c:2619)
[   27.994890][  T570]  __sys_sendmsg (net/socket.c:2799)
[   27.994893][  T570]  ? __sys_sendmsg_sock (net/socket.c:2780)
[   27.994899][  T570]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   27.994902][  T570]  do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84)
[   27.994905][  T570]  ? exc_page_fault (arch/x86/mm/fault.c:1489 (discriminator 3) arch/x86/mm/fault.c:1536 (discriminator 3))
[   27.994908][  T570]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[   27.994910][  T570] RIP: 0033:0x7f4e3e84654e
[   27.994915][  T570] Code: 4d 89 d8 e8 b4 bd 00 00 4c 8b 5d f8 41 8b 93 08 03 00 00 59 5e 48 83 f8 fc 74 11 c9 c3 0f 1f 80 00 00 00 00 48 8b 45 10 0f 05 <c9> c3 83 e2 39 83 fa 08 75 e7 e8 03 ff ff ff 0f 1f 00 f3 0f 1e fa
All code
========
   0:	4d 89 d8             	mov    %r11,%r8
   3:	e8 b4 bd 00 00       	call   0xbdbc
   8:	4c 8b 5d f8          	mov    -0x8(%rbp),%r11
   c:	41 8b 93 08 03 00 00 	mov    0x308(%r11),%edx
  13:	59                   	pop    %rcx
  14:	5e                   	pop    %rsi
  15:	48 83 f8 fc          	cmp    $0xfffffffffffffffc,%rax
  19:	74 11                	je     0x2c
  1b:	c9                   	leave
  1c:	c3                   	ret
  1d:	0f 1f 80 00 00 00 00 	nopl   0x0(%rax)
  24:	48 8b 45 10          	mov    0x10(%rbp),%rax
  28:	0f 05                	syscall
  2a:*	c9                   	leave		<-- trapping instruction
  2b:	c3                   	ret
  2c:	83 e2 39             	and    $0x39,%edx
  2f:	83 fa 08             	cmp    $0x8,%edx
  32:	75 e7                	jne    0x1b
  34:	e8 03 ff ff ff       	call   0xffffffffffffff3c
  39:	0f 1f 00             	nopl   (%rax)
  3c:	f3 0f 1e fa          	endbr64

Code starting with the faulting instruction
===========================================
   0:	c9                   	leave
   1:	c3                   	ret
   2:	83 e2 39             	and    $0x39,%edx
   5:	83 fa 08             	cmp    $0x8,%edx
   8:	75 e7                	jne    0xfffffffffffffff1
   a:	e8 03 ff ff ff       	call   0xffffffffffffff12
   f:	0f 1f 00             	nopl   (%rax)
  12:	f3 0f 1e fa          	endbr64
[   27.994916][  T570] RSP: 002b:00007ffea575c4b0 EFLAGS: 00000202 ORIG_RAX: 000000000000002e
[   27.994920][  T570] RAX: ffffffffffffffda RBX: 0000000000000006 RCX: 00007f4e3e84654e
[   27.994921][  T570] RDX: 0000000000000000 RSI: 00007ffea575c560 RDI: 0000000000000005
[   27.994922][  T570] RBP: 00007ffea575c4c0 R08: 0000000000000000 R09: 0000000000000000
[   27.994923][  T570] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a915924
[   27.994923][  T570] R13: 00000000004a1620 R14: 0000000000000000 R15: 00007ffea575cc30
| [   32.856837][  T681] softirqs last disabled at (24928): netif_change_name (./include/linux/spinlock.h:353 ./include/linux/seqlock.h:908 net/core/dev.c:1499)
| [   32.856840][  T681] Preemption disabled at:
| [   32.856840][  T681] vprintk_emit (kernel/printk/printk.c:2471)
| [   32.856851][  T681] Tainted: [W]=WARN
[   32.856852][  T681] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   32.856854][  T681] Call Trace:
[   32.856855][  T681]  <TASK>
[   32.856857][  T681]  dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120)
[   32.856862][  T681]  ? vprintk_emit (kernel/printk/printk.c:2471)
[   32.856864][  T681]  __might_resched.cold (kernel/sched/core.c:9234)
[   32.856868][  T681]  ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3))
[   32.856872][  T681]  ? __kmalloc_noprof (./include/linux/sched/mm.h:317 mm/slub.c:4636 mm/slub.c:4974 mm/slub.c:5413 mm/slub.c:5439)
[   32.856877][  T681]  __kmalloc_noprof (./include/linux/sched/mm.h:322 (discriminator 2) mm/slub.c:4636 (discriminator 2) mm/slub.c:4974 (discriminator 2) mm/slub.c:5413 (discriminator 2) mm/slub.c:5439 (discriminator 2))
[   32.856878][  T681]  ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[   32.856885][  T681]  ? do_raw_spin_unlock (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:32 ./include/asm-generic/qspinlock.h:58 kernel/locking/spinlock_debug.c:101 kernel/locking/spinlock_debug.c:141)
[   32.856888][  T681]  alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[   32.856891][  T681]  put_chars (drivers/char/virtio_console.c:1176)
[   32.856897][  T681]  ? __send_to_port (drivers/char/virtio_console.c:654)
[   32.856903][  T681]  hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2))
[   32.856910][  T681]  ? hvc_write (drivers/tty/hvc/hvc_console.c:501)
[   32.856914][  T681]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   32.856918][  T681]  console_emit_next_record (kernel/printk/printk.c:3183)
[   32.856922][  T681]  ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20)
[   32.856924][  T681]  ? console_flush_one_record (./include/linux/rcupdate.h:314 (discriminator 2) ./include/linux/srcu.h:439 (discriminator 2) kernel/printk/printk.c:291 (discriminator 2) kernel/printk/printk.c:3246 (discriminator 2))
[   32.856927][  T681]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   32.856930][  T681]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   32.856934][  T681]  console_flush_one_record (kernel/printk/printk.c:3268)
[   32.856938][  T681]  ? console_emit_next_record (kernel/printk/printk.c:3150)
[   32.856940][  T681]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   32.856945][  T681]  console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420)
[   32.856948][  T681]  ? console_flush_one_record (kernel/printk/printk.c:3316)
[   32.856949][  T681]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   32.856951][  T681]  ? lock_acquire (./include/linux/srcutree.h:374 ./include/linux/srcu.h:541 ./include/linux/srcu.h:645 ./include/trace/events/lock.h:23 ./include/trace/events/lock.h:23 kernel/locking/lockdep.c:5871)
[   32.856955][  T681]  ? __down_trylock_console_sem (kernel/printk/printk.c:334)
[   32.856956][  T681]  ? vprintk_emit (kernel/printk/printk.c:2478)
[   32.856959][  T681]  vprintk_emit (kernel/printk/printk.c:2479)
[   32.856962][  T681]  ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126))
[   32.856965][  T681]  ? _mutex_trylock_nest_lock (kernel/locking/mutex.c:1227 (discriminator 6))
[   32.856970][  T681]  _printk (kernel/printk/printk.c:2504)
[   32.856973][  T681]  ? snapshot_read.cold (user.c:?)
[   32.856975][  T681]  ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4116 (discriminator 3) kernel/rcu/tree.c:4108 (discriminator 3))
[   32.856978][  T681]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380)
[   32.856980][  T681]  ? validate_chain (kernel/locking/lockdep.c:3817 (discriminator 2) kernel/locking/lockdep.c:3837 (discriminator 2) kernel/locking/lockdep.c:3892 (discriminator 2))
[   32.856982][  T681]  ? netdev_name (./include/linux/netdevice.h:5709 (discriminator 1))
[   32.856986][  T681]  ? __netdev_printk (net/core/dev.c:13148 (discriminator 2))
[   32.856989][  T681]  ? do_setlink.isra.0 (net/core/rtnetlink.c:3246)
[   32.856991][  T681]  netdev_info (net/core/dev.c:13195 (discriminator 3))
[   32.856994][  T681]  ? netdev_notice (net/core/dev.c:13194)
[   32.856997][  T681]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[   32.857000][  T681]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554)
[   32.857002][  T681]  ? mark_held_locks (kernel/locking/lockdep.c:4341)
[   32.857006][  T681]  ? do_setlink.isra.0 (net/core/rtnetlink.c:3246)
[   32.857007][  T681]  netif_change_name.cold (net/core/dev.c:1507 (discriminator 3))
[   32.857010][  T681]  ? register_netdev (net/core/dev.c:11618)
[   32.857011][  T681]  ? is_bpf_text_address (./include/linux/rcupdate.h:319 (discriminator 2) ./include/linux/rcupdate.h:880 (discriminator 2) kernel/bpf/core.c:751 (discriminator 2))
[   32.857016][  T681]  ? netdev_adjacent_rename_links (net/core/dev.c:9598)
[   32.857019][  T681]  ? __kernel_text_address (kernel/extable.c:79)
[   32.857021][  T681]  ? write_profile (profile.c:?)
[   32.857025][  T681]  ? __asan_memset (mm/kasan/shadow.c:84 (discriminator 1))
[   32.857031][  T681]  do_setlink.isra.0 (net/core/rtnetlink.c:3246)
[   32.857034][  T681]  ? stack_trace_save (kernel/stacktrace.c:122 (discriminator 1))
[   32.857036][  T681]  ? rtnl_link_get_size (net/core/rtnetlink.c:747)
[   32.857038][  T681]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:388 kernel/rcu/update.c:380)
[   32.857040][  T681]  ? stack_depot_save_flags (lib/stackdepot.c:609 (discriminator 2) lib/stackdepot.c:676 (discriminator 2))
[   32.857043][  T681]  ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4116 (discriminator 3) kernel/rcu/tree.c:4108 (discriminator 3))
[   32.857045][  T681]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380)
[   32.857047][  T681]  ? validate_chain (kernel/locking/lockdep.c:3817 (discriminator 2) kernel/locking/lockdep.c:3837 (discriminator 2) kernel/locking/lockdep.c:3892 (discriminator 2))
[   32.857049][  T681]  ? kasan_save_stack (mm/kasan/common.c:58)
[   32.857051][  T681]  ? kasan_save_stack (mm/kasan/common.c:57)
[   32.857052][  T681]  ? kasan_save_track (mm/kasan/common.c:78)
[   32.857053][  T681]  ? __kasan_kmalloc (mm/kasan/common.c:398 mm/kasan/common.c:415)
[   32.857055][  T681]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   32.857057][  T681]  ? snd_ac97_proc_read_main (sound/pci/ac97/ac97_proc.c:320)
[   32.857061][  T681]  ? ___sys_sendmsg (net/socket.c:2758)
[   32.857065][  T681]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2))
[   32.857066][  T681]  ? rtnl_newlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:366 net/core/rtnetlink.c:4214)
[   32.857069][  T681]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   32.857071][  T681]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   32.857072][  T681]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   32.857073][  T681]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   32.857075][  T681]  ? trace_contention_end (./include/trace/events/lock.h:121 (discriminator 22))
[   32.857077][  T681]  ? __mutex_lock (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:3188 kernel/locking/mutex.c:89 kernel/locking/mutex.c:134 kernel/locking/mutex.c:649 kernel/locking/mutex.c:821)
[   32.857079][  T681]  ? __mutex_lock (kernel/locking/mutex.c:656 (discriminator 1) kernel/locking/mutex.c:821 (discriminator 1))
[   32.857080][  T681]  ? rtnl_newlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:366 net/core/rtnetlink.c:4214)
[   32.857084][  T681]  ? ww_mutex_lock (kernel/locking/mutex.c:934)
[   32.857085][  T681]  ? nla_get_range_signed (lib/nlattr.c:270)
[   32.857090][  T681]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   32.857092][  T681]  ? __rtnl_newlink (net/core/rtnetlink.c:4063)
[   32.857097][  T681]  rtnl_newlink (net/core/rtnetlink.c:4215)
[   32.857103][  T681]  ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558)
[   32.857104][  T681]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   32.857109][  T681]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2))
[   32.857111][  T681]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[   32.857113][  T681]  ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558)
[   32.857114][  T681]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554)
[   32.857118][  T681]  ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558)
[   32.857120][  T681]  rtnetlink_rcv_msg (net/core/rtnetlink.c:7132)
[   32.857123][  T681]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   32.857124][  T681]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   32.857129][  T681]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2))
[   32.857131][  T681]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[   32.857134][  T681]  netlink_rcv_skb (net/netlink/af_netlink.c:2556)
[   32.857137][  T681]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   32.857140][  T681]  ? netlink_ack (./include/linux/skbuff.h:2718)
[   32.857146][  T681]  ? netlink_deliver_tap (./include/linux/rcupdate.h:319 (discriminator 2) ./include/linux/rcupdate.h:880 (discriminator 2) ./include/net/netns/generic.h:48 (discriminator 2) net/netlink/af_netlink.c:334 (discriminator 2))
[   32.857149][  T681]  ? netlink_deliver_tap (./include/linux/rcupdate.h:319 (discriminator 2) ./include/linux/rcupdate.h:880 (discriminator 2) net/netlink/af_netlink.c:341 (discriminator 2))
[   32.857153][  T681]  netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[   32.857157][  T681]  ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[   32.857159][  T681]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[   32.857163][  T681]  netlink_sendmsg (net/netlink/af_netlink.c:1900)
[   32.857167][  T681]  ? netlink_unicast (./include/net/net_namespace.h:422 (discriminator 7))
[   32.857171][  T681]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554)
[   32.857172][  T681]  ? __import_iovec (lib/iov_iter.c:1358 lib/iov_iter.c:1373)
[   32.857178][  T681]  __sock_sendmsg (net/socket.c:800 (discriminator 4) net/socket.c:815 (discriminator 4))
[   32.857181][  T681]  ____sys_sendmsg (net/socket.c:2713)
[   32.857183][  T681]  ? copy_msghdr_from_user (net/socket.c:2650)
[   32.857185][  T681]  ? sock_write_iter (net/socket.c:1269)
[   32.857186][  T681]  ? move_addr_to_kernel (net/socket.c:258)
[   32.857194][  T681]  ___sys_sendmsg (net/socket.c:2767)
[   32.857196][  T681]  ? copy_msghdr_from_user (net/socket.c:2619)
[   32.857212][  T681]  __sys_sendmsg (net/socket.c:2799)
[   32.857214][  T681]  ? __sys_sendmsg_sock (net/socket.c:2780)
[   32.857220][  T681]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   32.857223][  T681]  do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84)
[   32.857226][  T681]  ? exc_page_fault (arch/x86/mm/fault.c:1489 (discriminator 3) arch/x86/mm/fault.c:1536 (discriminator 3))
[   32.857229][  T681]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[   32.857231][  T681] RIP: 0033:0x7faa5fe1c54e
[   32.857235][  T681] Code: 4d 89 d8 e8 b4 bd 00 00 4c 8b 5d f8 41 8b 93 08 03 00 00 59 5e 48 83 f8 fc 74 11 c9 c3 0f 1f 80 00 00 00 00 48 8b 45 10 0f 05 <c9> c3 83 e2 39 83 fa 08 75 e7 e8 03 ff ff ff 0f 1f 00 f3 0f 1e fa
All code
========
   0:	4d 89 d8             	mov    %r11,%r8
   3:	e8 b4 bd 00 00       	call   0xbdbc
   8:	4c 8b 5d f8          	mov    -0x8(%rbp),%r11
   c:	41 8b 93 08 03 00 00 	mov    0x308(%r11),%edx
  13:	59                   	pop    %rcx
  14:	5e                   	pop    %rsi
  15:	48 83 f8 fc          	cmp    $0xfffffffffffffffc,%rax
  19:	74 11                	je     0x2c
  1b:	c9                   	leave
  1c:	c3                   	ret
  1d:	0f 1f 80 00 00 00 00 	nopl   0x0(%rax)
  24:	48 8b 45 10          	mov    0x10(%rbp),%rax
  28:	0f 05                	syscall
  2a:*	c9                   	leave		<-- trapping instruction
  2b:	c3                   	ret
  2c:	83 e2 39             	and    $0x39,%edx
  2f:	83 fa 08             	cmp    $0x8,%edx
  32:	75 e7                	jne    0x1b
  34:	e8 03 ff ff ff       	call   0xffffffffffffff3c
  39:	0f 1f 00             	nopl   (%rax)
  3c:	f3 0f 1e fa          	endbr64

Code starting with the faulting instruction
===========================================
   0:	c9                   	leave
   1:	c3                   	ret
   2:	83 e2 39             	and    $0x39,%edx
   5:	83 fa 08             	cmp    $0x8,%edx
   8:	75 e7                	jne    0xfffffffffffffff1
   a:	e8 03 ff ff ff       	call   0xffffffffffffff12
   f:	0f 1f 00             	nopl   (%rax)
  12:	f3 0f 1e fa          	endbr64
[   32.857237][  T681] RSP: 002b:00007ffd4f323f60 EFLAGS: 00000202 ORIG_RAX: 000000000000002e
[   32.857240][  T681] RAX: ffffffffffffffda RBX: 0000000000000006 RCX: 00007faa5fe1c54e
[   32.857241][  T681] RDX: 0000000000000000 RSI: 00007ffd4f324010 RDI: 0000000000000005
[   32.857242][  T681] RBP: 00007ffd4f323f70 R08: 0000000000000000 R09: 0000000000000000
[   32.857243][  T681] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a915929
[   32.857244][  T681] R13: 00000000004a1620 R14: 0000000000000000 R15: 00007ffd4f3246e0
| [   39.132269][  T796] softirqs last disabled at (24026): netif_change_name (./include/linux/spinlock.h:353 ./include/linux/seqlock.h:908 net/core/dev.c:1499)
| [   39.132272][  T796] Preemption disabled at:
| [   39.132273][  T796] vprintk_emit (kernel/printk/printk.c:2471)
| [   39.132281][  T796] Tainted: [W]=WARN
[   39.132282][  T796] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   39.132284][  T796] Call Trace:
[   39.132286][  T796]  <TASK>
[   39.132287][  T796]  dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120)
[   39.132293][  T796]  ? vprintk_emit (kernel/printk/printk.c:2471)
[   39.132295][  T796]  __might_resched.cold (kernel/sched/core.c:9234)
[   39.132299][  T796]  ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3))
[   39.132304][  T796]  ? __kmalloc_noprof (./include/linux/sched/mm.h:317 mm/slub.c:4636 mm/slub.c:4974 mm/slub.c:5413 mm/slub.c:5439)
[   39.132308][  T796]  __kmalloc_noprof (./include/linux/sched/mm.h:322 (discriminator 2) mm/slub.c:4636 (discriminator 2) mm/slub.c:4974 (discriminator 2) mm/slub.c:5413 (discriminator 2) mm/slub.c:5439 (discriminator 2))
[   39.132310][  T796]  ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[   39.132317][  T796]  ? do_raw_spin_unlock (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:32 ./include/asm-generic/qspinlock.h:58 kernel/locking/spinlock_debug.c:101 kernel/locking/spinlock_debug.c:141)
[   39.132320][  T796]  alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[   39.132324][  T796]  put_chars (drivers/char/virtio_console.c:1176)
[   39.132326][  T796]  ? __send_to_port (drivers/char/virtio_console.c:654)
[   39.132332][  T796]  hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2))
[   39.132340][  T796]  ? hvc_write (drivers/tty/hvc/hvc_console.c:501)
[   39.132343][  T796]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   39.132348][  T796]  console_emit_next_record (kernel/printk/printk.c:3183)
[   39.132352][  T796]  ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20)
[   39.132354][  T796]  ? console_flush_one_record (./include/linux/rcupdate.h:314 (discriminator 2) ./include/linux/srcu.h:439 (discriminator 2) kernel/printk/printk.c:291 (discriminator 2) kernel/printk/printk.c:3246 (discriminator 2))
[   39.132358][  T796]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   39.132360][  T796]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   39.132364][  T796]  console_flush_one_record (kernel/printk/printk.c:3268)
[   39.132368][  T796]  ? console_emit_next_record (kernel/printk/printk.c:3150)
[   39.132370][  T796]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   39.132376][  T796]  console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420)
[   39.132379][  T796]  ? console_flush_one_record (kernel/printk/printk.c:3316)
[   39.132381][  T796]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   39.132382][  T796]  ? lock_acquire (./include/linux/srcutree.h:374 ./include/linux/srcu.h:541 ./include/linux/srcu.h:645 ./include/trace/events/lock.h:23 ./include/trace/events/lock.h:23 kernel/locking/lockdep.c:5871)
[   39.132386][  T796]  ? __down_trylock_console_sem (kernel/printk/printk.c:334)
[   39.132388][  T796]  ? vprintk_emit (kernel/printk/printk.c:2478)
[   39.132391][  T796]  vprintk_emit (kernel/printk/printk.c:2479)
[   39.132394][  T796]  ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126))
[   39.132397][  T796]  ? _mutex_trylock_nest_lock (kernel/locking/mutex.c:1227 (discriminator 6))
[   39.132402][  T796]  _printk (kernel/printk/printk.c:2504)
[   39.132406][  T796]  ? snapshot_read.cold (user.c:?)
[   39.132407][  T796]  ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4116 (discriminator 3) kernel/rcu/tree.c:4108 (discriminator 3))
[   39.132410][  T796]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380)
[   39.132413][  T796]  ? validate_chain (kernel/locking/lockdep.c:3817 (discriminator 2) kernel/locking/lockdep.c:3837 (discriminator 2) kernel/locking/lockdep.c:3892 (discriminator 2))
[   39.132415][  T796]  ? netdev_name (./include/linux/netdevice.h:5709 (discriminator 1))
[   39.132419][  T796]  ? __netdev_printk (net/core/dev.c:13148 (discriminator 2))
[   39.132422][  T796]  ? do_setlink.isra.0 (net/core/rtnetlink.c:3246)
[   39.132424][  T796]  netdev_info (net/core/dev.c:13195 (discriminator 3))
[   39.132427][  T796]  ? netdev_notice (net/core/dev.c:13194)
[   39.132430][  T796]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[   39.132433][  T796]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554)
[   39.132436][  T796]  ? mark_held_locks (kernel/locking/lockdep.c:4341)
[   39.132439][  T796]  ? do_setlink.isra.0 (net/core/rtnetlink.c:3246)
[   39.132442][  T796]  netif_change_name.cold (net/core/dev.c:1507 (discriminator 3))
[   39.132444][  T796]  ? register_netdev (net/core/dev.c:11618)
[   39.132445][  T796]  ? is_bpf_text_address (./include/linux/rcupdate.h:319 (discriminator 2) ./include/linux/rcupdate.h:880 (discriminator 2) kernel/bpf/core.c:751 (discriminator 2))
[   39.132450][  T796]  ? netdev_adjacent_rename_links (net/core/dev.c:9598)
[   39.132453][  T796]  ? __kernel_text_address (kernel/extable.c:79)
[   39.132456][  T796]  ? write_profile (profile.c:?)
[   39.132460][  T796]  ? __asan_memset (mm/kasan/shadow.c:84 (discriminator 1))
[   39.132466][  T796]  do_setlink.isra.0 (net/core/rtnetlink.c:3246)
[   39.132469][  T796]  ? stack_trace_save (kernel/stacktrace.c:122 (discriminator 1))
[   39.132472][  T796]  ? rtnl_link_get_size (net/core/rtnetlink.c:747)
[   39.132473][  T796]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:388 kernel/rcu/update.c:380)
[   39.132475][  T796]  ? stack_depot_save_flags (lib/stackdepot.c:609 (discriminator 2) lib/stackdepot.c:676 (discriminator 2))
[   39.132478][  T796]  ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4116 (discriminator 3) kernel/rcu/tree.c:4108 (discriminator 3))
[   39.132480][  T796]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380)
[   39.132482][  T796]  ? validate_chain (kernel/locking/lockdep.c:3817 (discriminator 2) kernel/locking/lockdep.c:3837 (discriminator 2) kernel/locking/lockdep.c:3892 (discriminator 2))
[   39.132484][  T796]  ? kasan_save_stack (mm/kasan/common.c:58)
[   39.132486][  T796]  ? kasan_save_stack (mm/kasan/common.c:57)
[   39.132488][  T796]  ? kasan_save_track (mm/kasan/common.c:78)
[   39.132489][  T796]  ? __kasan_kmalloc (mm/kasan/common.c:398 mm/kasan/common.c:415)
[   39.132491][  T796]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   39.132493][  T796]  ? snd_ac97_proc_read_main (sound/pci/ac97/ac97_proc.c:320)
[   39.132497][  T796]  ? ___sys_sendmsg (net/socket.c:2758)
[   39.132501][  T796]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2))
[   39.132503][  T796]  ? rtnl_newlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:366 net/core/rtnetlink.c:4214)
[   39.132505][  T796]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   39.132507][  T796]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   39.132509][  T796]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   39.132510][  T796]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   39.132512][  T796]  ? trace_contention_end (./include/trace/events/lock.h:121 (discriminator 22))
[   39.132514][  T796]  ? __mutex_lock (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:3188 kernel/locking/mutex.c:89 kernel/locking/mutex.c:134 kernel/locking/mutex.c:649 kernel/locking/mutex.c:821)
[   39.132515][  T796]  ? __mutex_lock (kernel/locking/mutex.c:656 (discriminator 1) kernel/locking/mutex.c:821 (discriminator 1))
[   39.132517][  T796]  ? rtnl_newlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:366 net/core/rtnetlink.c:4214)
[   39.132521][  T796]  ? ww_mutex_lock (kernel/locking/mutex.c:934)
[   39.132522][  T796]  ? nla_get_range_signed (lib/nlattr.c:270)
[   39.132527][  T796]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   39.132529][  T796]  ? __rtnl_newlink (net/core/rtnetlink.c:4063)
[   39.132535][  T796]  rtnl_newlink (net/core/rtnetlink.c:4215)
[   39.132540][  T796]  ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558)
[   39.132542][  T796]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   39.132547][  T796]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2))
[   39.132549][  T796]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[   39.132551][  T796]  ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558)
[   39.132552][  T796]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554)
[   39.132556][  T796]  ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558)
[   39.132558][  T796]  rtnetlink_rcv_msg (net/core/rtnetlink.c:7132)
[   39.132562][  T796]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   39.132563][  T796]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   39.132568][  T796]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2))
[   39.132570][  T796]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[   39.132573][  T796]  netlink_rcv_skb (net/netlink/af_netlink.c:2556)
[   39.132576][  T796]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   39.132579][  T796]  ? netlink_ack (./include/linux/skbuff.h:2718)
[   39.132586][  T796]  ? netlink_deliver_tap (./include/linux/rcupdate.h:319 (discriminator 2) ./include/linux/rcupdate.h:880 (discriminator 2) ./include/net/netns/generic.h:48 (discriminator 2) net/netlink/af_netlink.c:334 (discriminator 2))
[   39.132588][  T796]  ? netlink_deliver_tap (./include/linux/rcupdate.h:319 (discriminator 2) ./include/linux/rcupdate.h:880 (discriminator 2) net/netlink/af_netlink.c:341 (discriminator 2))
[   39.132592][  T796]  netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[   39.132596][  T796]  ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[   39.132599][  T796]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[   39.132603][  T796]  netlink_sendmsg (net/netlink/af_netlink.c:1900)
[   39.132607][  T796]  ? netlink_unicast (./include/net/net_namespace.h:422 (discriminator 7))
[   39.132611][  T796]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554)
[   39.132613][  T796]  ? __import_iovec (lib/iov_iter.c:1358 lib/iov_iter.c:1373)
[   39.132619][  T796]  __sock_sendmsg (net/socket.c:800 (discriminator 4) net/socket.c:815 (discriminator 4))
[   39.132622][  T796]  ____sys_sendmsg (net/socket.c:2713)
[   39.132624][  T796]  ? copy_msghdr_from_user (net/socket.c:2650)
[   39.132626][  T796]  ? sock_write_iter (net/socket.c:1269)
[   39.132628][  T796]  ? move_addr_to_kernel (net/socket.c:258)
[   39.132636][  T796]  ___sys_sendmsg (net/socket.c:2767)
[   39.132639][  T796]  ? copy_msghdr_from_user (net/socket.c:2619)
[   39.132655][  T796]  __sys_sendmsg (net/socket.c:2799)
[   39.132658][  T796]  ? __sys_sendmsg_sock (net/socket.c:2780)
[   39.132664][  T796]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   39.132667][  T796]  do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84)
[   39.132670][  T796]  ? exc_page_fault (arch/x86/mm/fault.c:1489 (discriminator 3) arch/x86/mm/fault.c:1536 (discriminator 3))
[   39.132673][  T796]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[   39.132676][  T796] RIP: 0033:0x7efcfe3f954e
[   39.132680][  T796] Code: 4d 89 d8 e8 b4 bd 00 00 4c 8b 5d f8 41 8b 93 08 03 00 00 59 5e 48 83 f8 fc 74 11 c9 c3 0f 1f 80 00 00 00 00 48 8b 45 10 0f 05 <c9> c3 83 e2 39 83 fa 08 75 e7 e8 03 ff ff ff 0f 1f 00 f3 0f 1e fa
All code
========
   0:	4d 89 d8             	mov    %r11,%r8
   3:	e8 b4 bd 00 00       	call   0xbdbc
   8:	4c 8b 5d f8          	mov    -0x8(%rbp),%r11
   c:	41 8b 93 08 03 00 00 	mov    0x308(%r11),%edx
  13:	59                   	pop    %rcx
  14:	5e                   	pop    %rsi
  15:	48 83 f8 fc          	cmp    $0xfffffffffffffffc,%rax
  19:	74 11                	je     0x2c
  1b:	c9                   	leave
  1c:	c3                   	ret
  1d:	0f 1f 80 00 00 00 00 	nopl   0x0(%rax)
  24:	48 8b 45 10          	mov    0x10(%rbp),%rax
  28:	0f 05                	syscall
  2a:*	c9                   	leave		<-- trapping instruction
  2b:	c3                   	ret
  2c:	83 e2 39             	and    $0x39,%edx
  2f:	83 fa 08             	cmp    $0x8,%edx
  32:	75 e7                	jne    0x1b
  34:	e8 03 ff ff ff       	call   0xffffffffffffff3c
  39:	0f 1f 00             	nopl   (%rax)
  3c:	f3 0f 1e fa          	endbr64

Code starting with the faulting instruction
===========================================
   0:	c9                   	leave
   1:	c3                   	ret
   2:	83 e2 39             	and    $0x39,%edx
   5:	83 fa 08             	cmp    $0x8,%edx
   8:	75 e7                	jne    0xfffffffffffffff1
   a:	e8 03 ff ff ff       	call   0xffffffffffffff12
   f:	0f 1f 00             	nopl   (%rax)
  12:	f3 0f 1e fa          	endbr64
[   39.132682][  T796] RSP: 002b:00007fff4105ea50 EFLAGS: 00000202 ORIG_RAX: 000000000000002e
[   39.132684][  T796] RAX: ffffffffffffffda RBX: 0000000000000006 RCX: 00007efcfe3f954e
[   39.132686][  T796] RDX: 0000000000000000 RSI: 00007fff4105eb00 RDI: 0000000000000005
[   39.132687][  T796] RBP: 00007fff4105ea60 R08: 0000000000000000 R09: 0000000000000000
[   39.132688][  T796] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a91592f
[   39.132689][  T796] R13: 00000000004a1620 R14: 0000000000000000 R15: 00007fff4105f1d0
| [   45.888706][  T921] softirqs last disabled at (24506): netif_change_name (./include/linux/spinlock.h:353 ./include/linux/seqlock.h:908 net/core/dev.c:1499)
| [   45.888708][  T921] Preemption disabled at:
| [   45.888709][  T921] vprintk_emit (kernel/printk/printk.c:2471)
| [   45.888718][  T921] Tainted: [W]=WARN
[   45.888719][  T921] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   45.888720][  T921] Call Trace:
[   45.888722][  T921]  <TASK>
[   45.888723][  T921]  dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120)
[   45.888729][  T921]  ? vprintk_emit (kernel/printk/printk.c:2471)
[   45.888730][  T921]  __might_resched.cold (kernel/sched/core.c:9234)
[   45.888735][  T921]  ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3))
[   45.888739][  T921]  ? __kmalloc_noprof (./include/linux/sched/mm.h:317 mm/slub.c:4636 mm/slub.c:4974 mm/slub.c:5413 mm/slub.c:5439)
[   45.888744][  T921]  __kmalloc_noprof (./include/linux/sched/mm.h:322 (discriminator 2) mm/slub.c:4636 (discriminator 2) mm/slub.c:4974 (discriminator 2) mm/slub.c:5413 (discriminator 2) mm/slub.c:5439 (discriminator 2))
[   45.888745][  T921]  ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[   45.888752][  T921]  ? do_raw_spin_unlock (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:32 ./include/asm-generic/qspinlock.h:58 kernel/locking/spinlock_debug.c:101 kernel/locking/spinlock_debug.c:141)
[   45.888755][  T921]  alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[   45.888758][  T921]  put_chars (drivers/char/virtio_console.c:1176)
[   45.888761][  T921]  ? __send_to_port (drivers/char/virtio_console.c:654)
[   45.888767][  T921]  hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2))
[   45.888775][  T921]  ? hvc_write (drivers/tty/hvc/hvc_console.c:501)
[   45.888778][  T921]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   45.888783][  T921]  console_emit_next_record (kernel/printk/printk.c:3183)
[   45.888787][  T921]  ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20)
[   45.888789][  T921]  ? console_flush_one_record (./include/linux/rcupdate.h:314 (discriminator 2) ./include/linux/srcu.h:439 (discriminator 2) kernel/printk/printk.c:291 (discriminator 2) kernel/printk/printk.c:3246 (discriminator 2))
[   45.888792][  T921]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   45.888795][  T921]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   45.888799][  T921]  console_flush_one_record (kernel/printk/printk.c:3268)
[   45.888803][  T921]  ? console_emit_next_record (kernel/printk/printk.c:3150)
[   45.888805][  T921]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   45.888810][  T921]  console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420)
[   45.888813][  T921]  ? console_flush_one_record (kernel/printk/printk.c:3316)
[   45.888815][  T921]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   45.888816][  T921]  ? lock_acquire (./include/linux/srcutree.h:374 ./include/linux/srcu.h:541 ./include/linux/srcu.h:645 ./include/trace/events/lock.h:23 ./include/trace/events/lock.h:23 kernel/locking/lockdep.c:5871)
[   45.888820][  T921]  ? __down_trylock_console_sem (kernel/printk/printk.c:334)
[   45.888822][  T921]  ? vprintk_emit (kernel/printk/printk.c:2478)
[   45.888824][  T921]  vprintk_emit (kernel/printk/printk.c:2479)
[   45.888828][  T921]  ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126))
[   45.888830][  T921]  ? _mutex_trylock_nest_lock (kernel/locking/mutex.c:1227 (discriminator 6))
[   45.888835][  T921]  _printk (kernel/printk/printk.c:2504)
[   45.888839][  T921]  ? snapshot_read.cold (user.c:?)
[   45.888841][  T921]  ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4116 (discriminator 3) kernel/rcu/tree.c:4108 (discriminator 3))
[   45.888847][  T921]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380)
[   45.888850][  T921]  ? validate_chain (kernel/locking/lockdep.c:3817 (discriminator 2) kernel/locking/lockdep.c:3837 (discriminator 2) kernel/locking/lockdep.c:3892 (discriminator 2))
[   45.888852][  T921]  ? netdev_name (./include/linux/netdevice.h:5709 (discriminator 1))
[   45.888856][  T921]  ? __netdev_printk (net/core/dev.c:13148 (discriminator 2))
[   45.888859][  T921]  ? do_setlink.isra.0 (net/core/rtnetlink.c:3246)
[   45.888861][  T921]  netdev_info (net/core/dev.c:13195 (discriminator 3))
[   45.888864][  T921]  ? netdev_notice (net/core/dev.c:13194)
[   45.888867][  T921]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[   45.888870][  T921]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554)
[   45.888872][  T921]  ? mark_held_locks (kernel/locking/lockdep.c:4341)
[   45.888876][  T921]  ? do_setlink.isra.0 (net/core/rtnetlink.c:3246)
[   45.888878][  T921]  netif_change_name.cold (net/core/dev.c:1507 (discriminator 3))
[   45.888880][  T921]  ? register_netdev (net/core/dev.c:11618)
[   45.888881][  T921]  ? is_bpf_text_address (./include/linux/rcupdate.h:319 (discriminator 2) ./include/linux/rcupdate.h:880 (discriminator 2) kernel/bpf/core.c:751 (discriminator 2))
[   45.888887][  T921]  ? netdev_adjacent_rename_links (net/core/dev.c:9598)
[   45.888889][  T921]  ? __kernel_text_address (kernel/extable.c:79)
[   45.888892][  T921]  ? write_profile (profile.c:?)
[   45.888896][  T921]  ? __asan_memset (mm/kasan/shadow.c:84 (discriminator 1))
[   45.888901][  T921]  do_setlink.isra.0 (net/core/rtnetlink.c:3246)
[   45.888905][  T921]  ? stack_trace_save (kernel/stacktrace.c:122 (discriminator 1))
[   45.888907][  T921]  ? rtnl_link_get_size (net/core/rtnetlink.c:747)
[   45.888908][  T921]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:388 kernel/rcu/update.c:380)
[   45.888910][  T921]  ? stack_depot_save_flags (lib/stackdepot.c:609 (discriminator 2) lib/stackdepot.c:676 (discriminator 2))
[   45.888913][  T921]  ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4116 (discriminator 3) kernel/rcu/tree.c:4108 (discriminator 3))
[   45.888915][  T921]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380)
[   45.888917][  T921]  ? validate_chain (kernel/locking/lockdep.c:3817 (discriminator 2) kernel/locking/lockdep.c:3837 (discriminator 2) kernel/locking/lockdep.c:3892 (discriminator 2))
[   45.888920][  T921]  ? kasan_save_stack (mm/kasan/common.c:58)
[   45.888921][  T921]  ? kasan_save_stack (mm/kasan/common.c:57)
[   45.888923][  T921]  ? kasan_save_track (mm/kasan/common.c:78)
[   45.888924][  T921]  ? __kasan_kmalloc (mm/kasan/common.c:398 mm/kasan/common.c:415)
[   45.888926][  T921]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   45.888928][  T921]  ? snd_ac97_proc_read_main (sound/pci/ac97/ac97_proc.c:320)
[   45.888931][  T921]  ? ___sys_sendmsg (net/socket.c:2758)
[   45.888935][  T921]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2))
[   45.888937][  T921]  ? rtnl_newlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:366 net/core/rtnetlink.c:4214)
[   45.888939][  T921]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   45.888941][  T921]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   45.888943][  T921]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   45.888944][  T921]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   45.888952][  T921]  ? trace_contention_end (./include/trace/events/lock.h:121 (discriminator 22))
[   45.888954][  T921]  ? __mutex_lock (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:3188 kernel/locking/mutex.c:89 kernel/locking/mutex.c:134 kernel/locking/mutex.c:649 kernel/locking/mutex.c:821)
[   45.888955][  T921]  ? __mutex_lock (kernel/locking/mutex.c:656 (discriminator 1) kernel/locking/mutex.c:821 (discriminator 1))
[   45.888957][  T921]  ? rtnl_newlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:366 net/core/rtnetlink.c:4214)
[   45.888961][  T921]  ? ww_mutex_lock (kernel/locking/mutex.c:934)
[   45.888962][  T921]  ? nla_get_range_signed (lib/nlattr.c:270)
[   45.888967][  T921]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   45.888969][  T921]  ? __rtnl_newlink (net/core/rtnetlink.c:4063)
[   45.888974][  T921]  rtnl_newlink (net/core/rtnetlink.c:4215)
[   45.888979][  T921]  ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558)
[   45.888981][  T921]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   45.888986][  T921]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2))
[   45.888988][  T921]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[   45.888990][  T921]  ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558)
[   45.888991][  T921]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554)
[   45.888995][  T921]  ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558)
[   45.888997][  T921]  rtnetlink_rcv_msg (net/core/rtnetlink.c:7132)
[   45.889000][  T921]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   45.889001][  T921]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   45.889006][  T921]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2))
[   45.889008][  T921]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[   45.889011][  T921]  netlink_rcv_skb (net/netlink/af_netlink.c:2556)
[   45.889014][  T921]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   45.889017][  T921]  ? netlink_ack (./include/linux/skbuff.h:2718)
[   45.889023][  T921]  ? netlink_deliver_tap (./include/linux/rcupdate.h:319 (discriminator 2) ./include/linux/rcupdate.h:880 (discriminator 2) ./include/net/netns/generic.h:48 (discriminator 2) net/netlink/af_netlink.c:334 (discriminator 2))
[   45.889026][  T921]  ? netlink_deliver_tap (./include/linux/rcupdate.h:319 (discriminator 2) ./include/linux/rcupdate.h:880 (discriminator 2) net/netlink/af_netlink.c:341 (discriminator 2))
[   45.889030][  T921]  netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[   45.889034][  T921]  ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[   45.889036][  T921]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[   45.889041][  T921]  netlink_sendmsg (net/netlink/af_netlink.c:1900)
[   45.889044][  T921]  ? netlink_unicast (./include/net/net_namespace.h:422 (discriminator 7))
[   45.889048][  T921]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554)
[   45.889050][  T921]  ? __import_iovec (lib/iov_iter.c:1358 lib/iov_iter.c:1373)
[   45.889055][  T921]  __sock_sendmsg (net/socket.c:800 (discriminator 4) net/socket.c:815 (discriminator 4))
[   45.889058][  T921]  ____sys_sendmsg (net/socket.c:2713)
[   45.889060][  T921]  ? copy_msghdr_from_user (net/socket.c:2650)
[   45.889062][  T921]  ? sock_write_iter (net/socket.c:1269)
[   45.889064][  T921]  ? move_addr_to_kernel (net/socket.c:258)
[   45.889071][  T921]  ___sys_sendmsg (net/socket.c:2767)
[   45.889074][  T921]  ? copy_msghdr_from_user (net/socket.c:2619)
[   45.889089][  T921]  __sys_sendmsg (net/socket.c:2799)
[   45.889092][  T921]  ? __sys_sendmsg_sock (net/socket.c:2780)
[   45.889098][  T921]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   45.889101][  T921]  do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84)
[   45.889104][  T921]  ? exc_page_fault (arch/x86/mm/fault.c:1489 (discriminator 3) arch/x86/mm/fault.c:1536 (discriminator 3))
[   45.889107][  T921]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[   45.889109][  T921] RIP: 0033:0x7ff71905c54e
[   45.889114][  T921] Code: 4d 89 d8 e8 b4 bd 00 00 4c 8b 5d f8 41 8b 93 08 03 00 00 59 5e 48 83 f8 fc 74 11 c9 c3 0f 1f 80 00 00 00 00 48 8b 45 10 0f 05 <c9> c3 83 e2 39 83 fa 08 75 e7 e8 03 ff ff ff 0f 1f 00 f3 0f 1e fa
All code
========
   0:	4d 89 d8             	mov    %r11,%r8
   3:	e8 b4 bd 00 00       	call   0xbdbc
   8:	4c 8b 5d f8          	mov    -0x8(%rbp),%r11
   c:	41 8b 93 08 03 00 00 	mov    0x308(%r11),%edx
  13:	59                   	pop    %rcx
  14:	5e                   	pop    %rsi
  15:	48 83 f8 fc          	cmp    $0xfffffffffffffffc,%rax
  19:	74 11                	je     0x2c
  1b:	c9                   	leave
  1c:	c3                   	ret
  1d:	0f 1f 80 00 00 00 00 	nopl   0x0(%rax)
  24:	48 8b 45 10          	mov    0x10(%rbp),%rax
  28:	0f 05                	syscall
  2a:*	c9                   	leave		<-- trapping instruction
  2b:	c3                   	ret
  2c:	83 e2 39             	and    $0x39,%edx
  2f:	83 fa 08             	cmp    $0x8,%edx
  32:	75 e7                	jne    0x1b
  34:	e8 03 ff ff ff       	call   0xffffffffffffff3c
  39:	0f 1f 00             	nopl   (%rax)
  3c:	f3 0f 1e fa          	endbr64

Code starting with the faulting instruction
===========================================
   0:	c9                   	leave
   1:	c3                   	ret
   2:	83 e2 39             	and    $0x39,%edx
   5:	83 fa 08             	cmp    $0x8,%edx
   8:	75 e7                	jne    0xfffffffffffffff1
   a:	e8 03 ff ff ff       	call   0xffffffffffffff12
   f:	0f 1f 00             	nopl   (%rax)
  12:	f3 0f 1e fa          	endbr64
[   45.889115][  T921] RSP: 002b:00007ffdf6f3df10 EFLAGS: 00000202 ORIG_RAX: 000000000000002e
[   45.889118][  T921] RAX: ffffffffffffffda RBX: 0000000000000006 RCX: 00007ff71905c54e
[   45.889120][  T921] RDX: 0000000000000000 RSI: 00007ffdf6f3dfc0 RDI: 0000000000000005
[   45.889121][  T921] RBP: 00007ffdf6f3df20 R08: 0000000000000000 R09: 0000000000000000
[   45.889121][  T921] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a915936
[   45.889122][  T921] R13: 00000000004a1620 R14: 0000000000000000 R15: 00007ffdf6f3e690
| [   50.119617][   T69] softirqs last disabled at (706350): netlink_release (./include/net/sock.h:2138 net/netlink/af_netlink.c:727)
| [   50.119620][   T69] Preemption disabled at:
| [   50.119620][   T69] vprintk_emit (kernel/printk/printk.c:2471)
| [   50.119629][   T69] Tainted: [W]=WARN
[   50.119630][   T69] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   50.119632][   T69] Workqueue: netns cleanup_net
[   50.119635][   T69] Call Trace:
[   50.119637][   T69]  <TASK>
[   50.119639][   T69]  dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120)
[   50.119646][   T69]  ? vprintk_emit (kernel/printk/printk.c:2471)
[   50.119648][   T69]  __might_resched.cold (kernel/sched/core.c:9234)
[   50.119653][   T69]  ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3))
[   50.119658][   T69]  ? __kmalloc_noprof (./include/linux/sched/mm.h:317 mm/slub.c:4636 mm/slub.c:4974 mm/slub.c:5413 mm/slub.c:5439)
[   50.119663][   T69]  __kmalloc_noprof (./include/linux/sched/mm.h:322 (discriminator 2) mm/slub.c:4636 (discriminator 2) mm/slub.c:4974 (discriminator 2) mm/slub.c:5413 (discriminator 2) mm/slub.c:5439 (discriminator 2))
[   50.119665][   T69]  ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[   50.119673][   T69]  ? do_raw_spin_unlock (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:32 ./include/asm-generic/qspinlock.h:58 kernel/locking/spinlock_debug.c:101 kernel/locking/spinlock_debug.c:141)
[   50.119676][   T69]  alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[   50.119681][   T69]  put_chars (drivers/char/virtio_console.c:1176)
[   50.119684][   T69]  ? __send_to_port (drivers/char/virtio_console.c:654)
[   50.119688][   T69]  ? validate_chain (kernel/locking/lockdep.c:159 kernel/locking/lockdep.c:191 kernel/locking/lockdep.c:3928)
[   50.119694][   T69]  hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2))
[   50.119698][   T69]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   50.119705][   T69]  ? hvc_write (drivers/tty/hvc/hvc_console.c:501)
[   50.119709][   T69]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   50.119715][   T69]  console_emit_next_record (kernel/printk/printk.c:3183)
[   50.119720][   T69]  ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20)
[   50.119722][   T69]  ? console_flush_one_record (./include/linux/rcupdate.h:314 (discriminator 2) ./include/linux/srcu.h:439 (discriminator 2) kernel/printk/printk.c:291 (discriminator 2) kernel/printk/printk.c:3246 (discriminator 2))
[   50.119726][   T69]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   50.119728][   T69]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   50.119733][   T69]  console_flush_one_record (kernel/printk/printk.c:3268)
[   50.119738][   T69]  ? console_emit_next_record (kernel/printk/printk.c:3150)
[   50.119740][   T69]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   50.119747][   T69]  console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420)
[   50.119750][   T69]  ? console_flush_one_record (kernel/printk/printk.c:3316)
[   50.119752][   T69]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   50.119754][   T69]  ? lock_acquire (./include/linux/srcutree.h:374 ./include/linux/srcu.h:541 ./include/linux/srcu.h:645 ./include/trace/events/lock.h:23 ./include/trace/events/lock.h:23 kernel/locking/lockdep.c:5871)
[   50.119759][   T69]  ? __down_trylock_console_sem (kernel/printk/printk.c:334)
[   50.119761][   T69]  ? vprintk_emit (kernel/printk/printk.c:2478)
[   50.119764][   T69]  vprintk_emit (kernel/printk/printk.c:2479)
[   50.119768][   T69]  ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126))
[   50.119770][   T69]  ? cleanup_net (net/core/net_namespace.c:706)
[   50.119772][   T69]  ? worker_thread (kernel/workqueue.c:3470 kernel/workqueue.c:3551)
[   50.119774][   T69]  ? kthread (kernel/kthread.c:436)
[   50.119776][   T69]  ? ret_from_fork (arch/x86/kernel/process.c:158)
[   50.119779][   T69]  ? ret_from_fork_asm (arch/x86/entry/entry_64.S:245)
[   50.119785][   T69]  _printk (kernel/printk/printk.c:2504)
[   50.119789][   T69]  ? snapshot_read.cold (user.c:?)
[   50.119795][   T69]  ? netdev_name (./include/linux/netdevice.h:5709 (discriminator 1))
[   50.119799][   T69]  ? __netdev_printk (net/core/dev.c:13148 (discriminator 2))
[   50.119804][   T69]  netdev_info (net/core/dev.c:13195 (discriminator 3))
[   50.119807][   T69]  ? netdev_notice (net/core/dev.c:13194)
[   50.119812][   T69]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   50.119815][   T69]  ? __up_read (kernel/locking/rwsem.c:1397 (discriminator 1))
[   50.119817][   T69]  ? down_write_nested (kernel/locking/rwsem.c:1759)
[   50.119820][   T69]  ? mutex_is_locked (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:3188 kernel/locking/mutex.h:48 kernel/locking/mutex.c:65)
[   50.119823][   T69]  netif_set_allmulti.cold (net/core/dev.c:9731 (discriminator 3))
[   50.119827][   T69]  dev_set_allmulti (net/core/dev_api.c:315)
[   50.119831][   T69]  del_nbp (net/bridge/br_if.c:253 net/bridge/br_if.c:341)
[   50.119835][   T69]  ? unregister_netdevice_many (net/core/dev.c:12589)
[   50.119837][   T69]  ? net_generic (./include/linux/rcupdate.h:319 (discriminator 2) ./include/linux/rcupdate.h:880 (discriminator 2) ./include/net/netns/generic.h:48 (discriminator 2))
[   50.119848][   T69]  br_dev_delete (net/bridge/br_if.c:387)
[   50.119852][   T69]  br_net_exit_rtnl (net/bridge/br.c:414)
[   50.119856][   T69]  ops_undo_list (net/core/net_namespace.c:181 net/core/net_namespace.c:249)
[   50.119860][   T69]  ? lockdep_hardirqs_on (kernel/locking/lockdep.c:4488)
[   50.119865][   T69]  ? netns_install (./include/linux/ns_common.h:26)
[   50.119867][   T69]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554)
[   50.119870][   T69]  ? idr_destroy (lib/radix-tree.c:310 lib/radix-tree.c:674 lib/radix-tree.c:1563)
[   50.119876][   T69]  cleanup_net (net/core/net_namespace.c:706)
[   50.119880][   T69]  ? net_passive_dec (./include/linux/llist.h:241)
[   50.119885][   T69]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   50.119887][   T69]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   50.119891][   T69]  process_one_work (kernel/workqueue.c:3387)
[   50.119899][   T69]  ? __queue_delayed_work (kernel/workqueue.c:2622)
[   50.119903][   T69]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2))
[   50.119912][   T69]  worker_thread (kernel/workqueue.c:3470 kernel/workqueue.c:3551)
[   50.119917][   T69]  ? rescuer_thread (./include/linux/list.h:419 (discriminator 3))
[   50.119919][   T69]  ? __kthread_parkme (./include/linux/instrumented.h:82 ./include/asm-generic/bitops/instrumented-non-atomic.h:141 kernel/kthread.c:272)
[   50.119922][   T69]  ? rescuer_thread (./include/linux/list.h:419 (discriminator 3))
[   50.119925][   T69]  ? rescuer_thread (./include/linux/list.h:419 (discriminator 3))
[   50.119927][   T69]  kthread (kernel/kthread.c:436)
[   50.119929][   T69]  ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22))
[   50.119932][   T69]  ? kthread_affine_preferred (kernel/kthread.c:857)
[   50.119935][   T69]  ret_from_fork (arch/x86/kernel/process.c:158)
[   50.119938][   T69]  ? arch_exit_to_user_mode_prepare.isra.0 (arch/x86/entry/vdso/vma.c:80 (discriminator 1))
[   50.119942][   T69]  ? __switch_to (arch/x86/kernel/process_64.c:403 arch/x86/kernel/process_64.c:663)
[   50.119946][   T69]  ? kthread_affine_preferred (kernel/kthread.c:857)
[   50.119949][   T69]  ret_from_fork_asm (arch/x86/entry/entry_64.S:245)
| [   52.331565][ T1069] softirqs last disabled at (16446): netif_change_name (./include/linux/spinlock.h:353 ./include/linux/seqlock.h:908 net/core/dev.c:1499)
| [   52.331568][ T1069] Preemption disabled at:
| [   52.331569][ T1069] vprintk_emit (kernel/printk/printk.c:2471)
| [   52.331577][ T1069] Tainted: [W]=WARN
[   52.331578][ T1069] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   52.331580][ T1069] Call Trace:
[   52.331581][ T1069]  <TASK>
[   52.331583][ T1069]  dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120)
[   52.331589][ T1069]  ? vprintk_emit (kernel/printk/printk.c:2471)
[   52.331590][ T1069]  __might_resched.cold (kernel/sched/core.c:9234)
[   52.331595][ T1069]  ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3))
[   52.331599][ T1069]  ? __kmalloc_noprof (./include/linux/sched/mm.h:317 mm/slub.c:4636 mm/slub.c:4974 mm/slub.c:5413 mm/slub.c:5439)
[   52.331603][ T1069]  __kmalloc_noprof (./include/linux/sched/mm.h:322 (discriminator 2) mm/slub.c:4636 (discriminator 2) mm/slub.c:4974 (discriminator 2) mm/slub.c:5413 (discriminator 2) mm/slub.c:5439 (discriminator 2))
[   52.331605][ T1069]  ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[   52.331612][ T1069]  ? do_raw_spin_unlock (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:32 ./include/asm-generic/qspinlock.h:58 kernel/locking/spinlock_debug.c:101 kernel/locking/spinlock_debug.c:141)
[   52.331614][ T1069]  alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[   52.331618][ T1069]  put_chars (drivers/char/virtio_console.c:1176)
[   52.331621][ T1069]  ? __send_to_port (drivers/char/virtio_console.c:654)
[   52.331627][ T1069]  hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2))
[   52.331634][ T1069]  ? hvc_write (drivers/tty/hvc/hvc_console.c:501)
[   52.331637][ T1069]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   52.331642][ T1069]  console_emit_next_record (kernel/printk/printk.c:3183)
[   52.331645][ T1069]  ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20)
[   52.331647][ T1069]  ? console_flush_one_record (./include/linux/rcupdate.h:314 (discriminator 2) ./include/linux/srcu.h:439 (discriminator 2) kernel/printk/printk.c:291 (discriminator 2) kernel/printk/printk.c:3246 (discriminator 2))
[   52.331650][ T1069]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   52.331653][ T1069]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   52.331657][ T1069]  console_flush_one_record (kernel/printk/printk.c:3268)
[   52.331661][ T1069]  ? console_emit_next_record (kernel/printk/printk.c:3150)
[   52.331663][ T1069]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   52.331668][ T1069]  console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420)
[   52.331671][ T1069]  ? console_flush_one_record (kernel/printk/printk.c:3316)
[   52.331673][ T1069]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   52.331674][ T1069]  ? 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)
[   52.331678][ T1069]  ? __down_trylock_console_sem (kernel/printk/printk.c:334)
[   52.331680][ T1069]  ? vprintk_emit (kernel/printk/printk.c:2478)
[   52.331682][ T1069]  vprintk_emit (kernel/printk/printk.c:2479)
[   52.331685][ T1069]  ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126))
[   52.331688][ T1069]  ? _mutex_trylock_nest_lock (kernel/locking/mutex.c:1227 (discriminator 6))
[   52.331693][ T1069]  _printk (kernel/printk/printk.c:2504)
[   52.331697][ T1069]  ? snapshot_read.cold (user.c:?)
[   52.331698][ T1069]  ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4116 (discriminator 3) kernel/rcu/tree.c:4108 (discriminator 3))
[   52.331701][ T1069]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380)
[   52.331704][ T1069]  ? validate_chain (kernel/locking/lockdep.c:3817 (discriminator 2) kernel/locking/lockdep.c:3837 (discriminator 2) kernel/locking/lockdep.c:3892 (discriminator 2))
[   52.331706][ T1069]  ? netdev_name (./include/linux/netdevice.h:5709 (discriminator 1))
[   52.331710][ T1069]  ? __netdev_printk (net/core/dev.c:13148 (discriminator 2))
[   52.331713][ T1069]  ? do_setlink.isra.0 (net/core/rtnetlink.c:3246)
[   52.331715][ T1069]  netdev_info (net/core/dev.c:13195 (discriminator 3))
[   52.331718][ T1069]  ? netdev_notice (net/core/dev.c:13194)
[   52.331720][ T1069]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[   52.331723][ T1069]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554)
[   52.331726][ T1069]  ? mark_held_locks (kernel/locking/lockdep.c:4341)
[   52.331729][ T1069]  ? do_setlink.isra.0 (net/core/rtnetlink.c:3246)
[   52.331731][ T1069]  netif_change_name.cold (net/core/dev.c:1507 (discriminator 3))
[   52.331733][ T1069]  ? register_netdev (net/core/dev.c:11618)
[   52.331735][ T1069]  ? is_bpf_text_address (./include/linux/rcupdate.h:319 (discriminator 2) ./include/linux/rcupdate.h:880 (discriminator 2) kernel/bpf/core.c:751 (discriminator 2))
[   52.331740][ T1069]  ? netdev_adjacent_rename_links (net/core/dev.c:9598)
[   52.331742][ T1069]  ? __kernel_text_address (kernel/extable.c:79)
[   52.331745][ T1069]  ? write_profile (profile.c:?)
[   52.331749][ T1069]  ? __asan_memset (mm/kasan/shadow.c:84 (discriminator 1))
[   52.331755][ T1069]  do_setlink.isra.0 (net/core/rtnetlink.c:3246)
[   52.331758][ T1069]  ? stack_trace_save (kernel/stacktrace.c:122 (discriminator 1))
[   52.331760][ T1069]  ? rtnl_link_get_size (net/core/rtnetlink.c:747)
[   52.331761][ T1069]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:388 kernel/rcu/update.c:380)
[   52.331763][ T1069]  ? stack_depot_save_flags (lib/stackdepot.c:609 (discriminator 2) lib/stackdepot.c:676 (discriminator 2))
[   52.331767][ T1069]  ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4116 (discriminator 3) kernel/rcu/tree.c:4108 (discriminator 3))
[   52.331768][ T1069]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380)
[   52.331770][ T1069]  ? validate_chain (kernel/locking/lockdep.c:3817 (discriminator 2) kernel/locking/lockdep.c:3837 (discriminator 2) kernel/locking/lockdep.c:3892 (discriminator 2))
[   52.331772][ T1069]  ? kasan_save_stack (mm/kasan/common.c:58)
[   52.331774][ T1069]  ? kasan_save_stack (mm/kasan/common.c:57)
[   52.331776][ T1069]  ? kasan_save_track (mm/kasan/common.c:78)
[   52.331777][ T1069]  ? __kasan_kmalloc (mm/kasan/common.c:398 mm/kasan/common.c:415)
[   52.331779][ T1069]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   52.331781][ T1069]  ? snd_ac97_proc_read_main (sound/pci/ac97/ac97_proc.c:320)
[   52.331784][ T1069]  ? ___sys_sendmsg (net/socket.c:2758)
[   52.331788][ T1069]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2))
[   52.331790][ T1069]  ? rtnl_newlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:366 net/core/rtnetlink.c:4214)
[   52.331792][ T1069]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   52.331794][ T1069]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   52.331795][ T1069]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   52.331797][ T1069]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   52.331798][ T1069]  ? trace_contention_end (./include/trace/events/lock.h:121 (discriminator 22))
[   52.331800][ T1069]  ? __mutex_lock (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:3188 kernel/locking/mutex.c:89 kernel/locking/mutex.c:134 kernel/locking/mutex.c:649 kernel/locking/mutex.c:821)
[   52.331801][ T1069]  ? __mutex_lock (kernel/locking/mutex.c:656 (discriminator 1) kernel/locking/mutex.c:821 (discriminator 1))
[   52.331803][ T1069]  ? rtnl_newlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:366 net/core/rtnetlink.c:4214)
[   52.331807][ T1069]  ? ww_mutex_lock (kernel/locking/mutex.c:934)
[   52.331808][ T1069]  ? nla_get_range_signed (lib/nlattr.c:270)
[   52.331813][ T1069]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   52.331815][ T1069]  ? __rtnl_newlink (net/core/rtnetlink.c:4063)
[   52.331820][ T1069]  rtnl_newlink (net/core/rtnetlink.c:4215)
[   52.331825][ T1069]  ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558)
[   52.331827][ T1069]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   52.331832][ T1069]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2))
[   52.331833][ T1069]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[   52.331835][ T1069]  ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558)
[   52.331837][ T1069]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554)
[   52.331841][ T1069]  ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558)
[   52.331843][ T1069]  rtnetlink_rcv_msg (net/core/rtnetlink.c:7132)
[   52.331849][ T1069]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   52.331850][ T1069]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   52.331855][ T1069]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2))
[   52.331856][ T1069]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[   52.331860][ T1069]  netlink_rcv_skb (net/netlink/af_netlink.c:2556)
[   52.331863][ T1069]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   52.331866][ T1069]  ? netlink_ack (./include/linux/skbuff.h:2718)
[   52.331872][ T1069]  ? netlink_deliver_tap (./include/linux/rcupdate.h:319 (discriminator 2) ./include/linux/rcupdate.h:880 (discriminator 2) ./include/net/netns/generic.h:48 (discriminator 2) net/netlink/af_netlink.c:334 (discriminator 2))
[   52.331874][ T1069]  ? netlink_deliver_tap (./include/linux/rcupdate.h:319 (discriminator 2) ./include/linux/rcupdate.h:880 (discriminator 2) net/netlink/af_netlink.c:341 (discriminator 2))
[   52.331878][ T1069]  netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[   52.331882][ T1069]  ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[   52.331885][ T1069]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[   52.331889][ T1069]  netlink_sendmsg (net/netlink/af_netlink.c:1900)
[   52.331893][ T1069]  ? netlink_unicast (./include/net/net_namespace.h:422 (discriminator 7))
[   52.331897][ T1069]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554)
[   52.331898][ T1069]  ? __import_iovec (lib/iov_iter.c:1358 lib/iov_iter.c:1373)
[   52.331903][ T1069]  __sock_sendmsg (net/socket.c:800 (discriminator 4) net/socket.c:815 (discriminator 4))
[   52.331906][ T1069]  ____sys_sendmsg (net/socket.c:2713)
[   52.331908][ T1069]  ? copy_msghdr_from_user (net/socket.c:2650)
[   52.331911][ T1069]  ? sock_write_iter (net/socket.c:1269)
[   52.331912][ T1069]  ? move_addr_to_kernel (net/socket.c:258)
[   52.331919][ T1069]  ___sys_sendmsg (net/socket.c:2767)
[   52.331922][ T1069]  ? copy_msghdr_from_user (net/socket.c:2619)
[   52.331938][ T1069]  __sys_sendmsg (net/socket.c:2799)
[   52.331940][ T1069]  ? __sys_sendmsg_sock (net/socket.c:2780)
[   52.331946][ T1069]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   52.331949][ T1069]  do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84)
[   52.331952][ T1069]  ? exc_page_fault (arch/x86/mm/fault.c:1489 (discriminator 3) arch/x86/mm/fault.c:1536 (discriminator 3))
[   52.331955][ T1069]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[   52.331958][ T1069] RIP: 0033:0x7f54ac46d54e
[   52.331961][ T1069] Code: 4d 89 d8 e8 b4 bd 00 00 4c 8b 5d f8 41 8b 93 08 03 00 00 59 5e 48 83 f8 fc 74 11 c9 c3 0f 1f 80 00 00 00 00 48 8b 45 10 0f 05 <c9> c3 83 e2 39 83 fa 08 75 e7 e8 03 ff ff ff 0f 1f 00 f3 0f 1e fa
All code
========
   0:	4d 89 d8             	mov    %r11,%r8
   3:	e8 b4 bd 00 00       	call   0xbdbc
   8:	4c 8b 5d f8          	mov    -0x8(%rbp),%r11
   c:	41 8b 93 08 03 00 00 	mov    0x308(%r11),%edx
  13:	59                   	pop    %rcx
  14:	5e                   	pop    %rsi
  15:	48 83 f8 fc          	cmp    $0xfffffffffffffffc,%rax
  19:	74 11                	je     0x2c
  1b:	c9                   	leave
  1c:	c3                   	ret
  1d:	0f 1f 80 00 00 00 00 	nopl   0x0(%rax)
  24:	48 8b 45 10          	mov    0x10(%rbp),%rax
  28:	0f 05                	syscall
  2a:*	c9                   	leave		<-- trapping instruction
  2b:	c3                   	ret
  2c:	83 e2 39             	and    $0x39,%edx
  2f:	83 fa 08             	cmp    $0x8,%edx
  32:	75 e7                	jne    0x1b
  34:	e8 03 ff ff ff       	call   0xffffffffffffff3c
  39:	0f 1f 00             	nopl   (%rax)
  3c:	f3 0f 1e fa          	endbr64

Code starting with the faulting instruction
===========================================
   0:	c9                   	leave
   1:	c3                   	ret
   2:	83 e2 39             	and    $0x39,%edx
   5:	83 fa 08             	cmp    $0x8,%edx
   8:	75 e7                	jne    0xfffffffffffffff1
   a:	e8 03 ff ff ff       	call   0xffffffffffffff12
   f:	0f 1f 00             	nopl   (%rax)
  12:	f3 0f 1e fa          	endbr64
[   52.331963][ T1069] RSP: 002b:00007ffe282af5d0 EFLAGS: 00000202 ORIG_RAX: 000000000000002e
[   52.331966][ T1069] RAX: ffffffffffffffda RBX: 0000000000000006 RCX: 00007f54ac46d54e
[   52.331968][ T1069] RDX: 0000000000000000 RSI: 00007ffe282af680 RDI: 0000000000000005
[   52.331969][ T1069] RBP: 00007ffe282af5e0 R08: 0000000000000000 R09: 0000000000000000
[   52.331969][ T1069] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a91593c
[   52.331970][ T1069] R13: 00000000004a1620 R14: 0000000000000000 R15: 00007ffe282afd50
| [   56.817771][   T69] softirqs last disabled at (905398): netlink_release (./include/net/sock.h:2138 net/netlink/af_netlink.c:727)
| [   56.817773][   T69] Preemption disabled at:
| [   56.817774][   T69] vprintk_emit (kernel/printk/printk.c:2471)
| [   56.817782][   T69] Tainted: [W]=WARN
[   56.817784][   T69] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   56.817785][   T69] Workqueue: netns cleanup_net
[   56.817789][   T69] Call Trace:
[   56.817790][   T69]  <TASK>
[   56.817792][   T69]  dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120)
[   56.817798][   T69]  ? vprintk_emit (kernel/printk/printk.c:2471)
[   56.817800][   T69]  __might_resched.cold (kernel/sched/core.c:9234)
[   56.817804][   T69]  ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3))
[   56.817808][   T69]  ? __kmalloc_noprof (./include/linux/sched/mm.h:317 mm/slub.c:4636 mm/slub.c:4974 mm/slub.c:5413 mm/slub.c:5439)
[   56.817813][   T69]  __kmalloc_noprof (./include/linux/sched/mm.h:322 (discriminator 2) mm/slub.c:4636 (discriminator 2) mm/slub.c:4974 (discriminator 2) mm/slub.c:5413 (discriminator 2) mm/slub.c:5439 (discriminator 2))
[   56.817815][   T69]  ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[   56.817822][   T69]  ? do_raw_spin_unlock (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:32 ./include/asm-generic/qspinlock.h:58 kernel/locking/spinlock_debug.c:101 kernel/locking/spinlock_debug.c:141)
[   56.817824][   T69]  alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[   56.817828][   T69]  put_chars (drivers/char/virtio_console.c:1176)
[   56.817831][   T69]  ? __send_to_port (drivers/char/virtio_console.c:654)
[   56.817832][   T69]  ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4116 (discriminator 3) kernel/rcu/tree.c:4108 (discriminator 3))
[   56.817836][   T69]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380)
[   56.817839][   T69]  ? validate_chain (kernel/locking/lockdep.c:3817 (discriminator 2) kernel/locking/lockdep.c:3837 (discriminator 2) kernel/locking/lockdep.c:3892 (discriminator 2))
[   56.817847][   T69]  hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2))
[   56.817851][   T69]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   56.817857][   T69]  ? hvc_write (drivers/tty/hvc/hvc_console.c:501)
[   56.817860][   T69]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   56.817866][   T69]  console_emit_next_record (kernel/printk/printk.c:3183)
[   56.817870][   T69]  ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20)
[   56.817872][   T69]  ? console_flush_one_record (./include/linux/rcupdate.h:314 (discriminator 2) ./include/linux/srcu.h:439 (discriminator 2) kernel/printk/printk.c:291 (discriminator 2) kernel/printk/printk.c:3246 (discriminator 2))
[   56.817875][   T69]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   56.817877][   T69]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   56.817881][   T69]  console_flush_one_record (kernel/printk/printk.c:3268)
[   56.817886][   T69]  ? console_emit_next_record (kernel/printk/printk.c:3150)
[   56.817888][   T69]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   56.817893][   T69]  console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420)
[   56.817896][   T69]  ? console_flush_one_record (kernel/printk/printk.c:3316)
[   56.817898][   T69]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   56.817900][   T69]  ? 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)
[   56.817904][   T69]  ? __down_trylock_console_sem (kernel/printk/printk.c:334)
[   56.817906][   T69]  ? vprintk_emit (kernel/printk/printk.c:2478)
[   56.817909][   T69]  vprintk_emit (kernel/printk/printk.c:2479)
[   56.817912][   T69]  ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126))
[   56.817913][   T69]  ? cleanup_net (net/core/net_namespace.c:706)
[   56.817915][   T69]  ? worker_thread (kernel/workqueue.c:3470 kernel/workqueue.c:3551)
[   56.817917][   T69]  ? kthread (kernel/kthread.c:436)
[   56.817919][   T69]  ? ret_from_fork (arch/x86/kernel/process.c:158)
[   56.817923][   T69]  ? ret_from_fork_asm (arch/x86/entry/entry_64.S:245)
[   56.817927][   T69]  _printk (kernel/printk/printk.c:2504)
[   56.817931][   T69]  ? snapshot_read.cold (user.c:?)
[   56.817936][   T69]  ? netdev_name (./include/linux/netdevice.h:5709 (discriminator 1))
[   56.817940][   T69]  ? __netdev_printk (net/core/dev.c:13148 (discriminator 2))
[   56.817944][   T69]  netdev_info (net/core/dev.c:13195 (discriminator 3))
[   56.817947][   T69]  ? netdev_notice (net/core/dev.c:13194)
[   56.817952][   T69]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   56.817953][   T69]  ? __up_read (kernel/locking/rwsem.c:1397 (discriminator 1))
[   56.817956][   T69]  ? down_write_nested (kernel/locking/rwsem.c:1759)
[   56.817958][   T69]  ? mutex_is_locked (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:3188 kernel/locking/mutex.h:48 kernel/locking/mutex.c:65)
[   56.817960][   T69]  netif_set_allmulti.cold (net/core/dev.c:9731 (discriminator 3))
[   56.817964][   T69]  dev_set_allmulti (net/core/dev_api.c:315)
[   56.817968][   T69]  del_nbp (net/bridge/br_if.c:253 net/bridge/br_if.c:341)
[   56.817972][   T69]  ? unregister_netdevice_many (net/core/dev.c:12589)
[   56.817973][   T69]  ? net_generic (./include/linux/rcupdate.h:319 (discriminator 2) ./include/linux/rcupdate.h:880 (discriminator 2) ./include/net/netns/generic.h:48 (discriminator 2))
[   56.817979][   T69]  br_dev_delete (net/bridge/br_if.c:387)
[   56.817982][   T69]  br_net_exit_rtnl (net/bridge/br.c:414)
[   56.817986][   T69]  ops_undo_list (net/core/net_namespace.c:181 net/core/net_namespace.c:249)
[   56.817990][   T69]  ? lockdep_hardirqs_on (kernel/locking/lockdep.c:4488)
[   56.817999][   T69]  ? netns_install (./include/linux/ns_common.h:26)
[   56.818000][   T69]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554)
[   56.818003][   T69]  ? idr_destroy (lib/radix-tree.c:310 lib/radix-tree.c:674 lib/radix-tree.c:1563)
[   56.818009][   T69]  cleanup_net (net/core/net_namespace.c:706)
[   56.818012][   T69]  ? net_passive_dec (./include/linux/llist.h:241)
[   56.818016][   T69]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   56.818018][   T69]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   56.818021][   T69]  process_one_work (kernel/workqueue.c:3387)
[   56.818028][   T69]  ? __queue_delayed_work (kernel/workqueue.c:2622)
[   56.818031][   T69]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2))
[   56.818039][   T69]  worker_thread (kernel/workqueue.c:3470 kernel/workqueue.c:3551)
[   56.818043][   T69]  ? rescuer_thread (./include/linux/list.h:419 (discriminator 3))
[   56.818046][   T69]  ? __kthread_parkme (./include/linux/instrumented.h:82 ./include/asm-generic/bitops/instrumented-non-atomic.h:141 kernel/kthread.c:272)
[   56.818048][   T69]  ? rescuer_thread (./include/linux/list.h:419 (discriminator 3))
[   56.818051][   T69]  ? rescuer_thread (./include/linux/list.h:419 (discriminator 3))
[   56.818053][   T69]  kthread (kernel/kthread.c:436)
[   56.818055][   T69]  ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22))
[   56.818059][   T69]  ? kthread_affine_preferred (kernel/kthread.c:857)
[   56.818062][   T69]  ret_from_fork (arch/x86/kernel/process.c:158)
[   56.818064][   T69]  ? arch_exit_to_user_mode_prepare.isra.0 (arch/x86/entry/vdso/vma.c:80 (discriminator 1))
[   56.818068][   T69]  ? __switch_to (arch/x86/kernel/process_64.c:403 arch/x86/kernel/process_64.c:663)
[   56.818072][   T69]  ? kthread_affine_preferred (kernel/kthread.c:857)
[   56.818074][   T69]  ret_from_fork_asm (arch/x86/entry/entry_64.S:245)
| [   58.580717][ T1200] softirqs last disabled at (26646): netif_change_name (./include/linux/spinlock.h:353 ./include/linux/seqlock.h:908 net/core/dev.c:1499)
| [   58.580720][ T1200] Preemption disabled at:
| [   58.580720][ T1200] vprintk_emit (kernel/printk/printk.c:2471)
| [   58.580728][ T1200] Tainted: [W]=WARN
[   58.580729][ T1200] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   58.580731][ T1200] Call Trace:
[   58.580732][ T1200]  <TASK>
[   58.580734][ T1200]  dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120)
[   58.580740][ T1200]  ? vprintk_emit (kernel/printk/printk.c:2471)
[   58.580742][ T1200]  __might_resched.cold (kernel/sched/core.c:9234)
[   58.580746][ T1200]  ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3))
[   58.580750][ T1200]  ? __kmalloc_noprof (./include/linux/sched/mm.h:317 mm/slub.c:4636 mm/slub.c:4974 mm/slub.c:5413 mm/slub.c:5439)
[   58.580754][ T1200]  __kmalloc_noprof (./include/linux/sched/mm.h:322 (discriminator 2) mm/slub.c:4636 (discriminator 2) mm/slub.c:4974 (discriminator 2) mm/slub.c:5413 (discriminator 2) mm/slub.c:5439 (discriminator 2))
[   58.580756][ T1200]  ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[   58.580763][ T1200]  ? do_raw_spin_unlock (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:32 ./include/asm-generic/qspinlock.h:58 kernel/locking/spinlock_debug.c:101 kernel/locking/spinlock_debug.c:141)
[   58.580766][ T1200]  alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[   58.580770][ T1200]  put_chars (drivers/char/virtio_console.c:1176)
[   58.580772][ T1200]  ? __send_to_port (drivers/char/virtio_console.c:654)
[   58.580778][ T1200]  hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2))
[   58.580786][ T1200]  ? hvc_write (drivers/tty/hvc/hvc_console.c:501)
[   58.580790][ T1200]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   58.580794][ T1200]  console_emit_next_record (kernel/printk/printk.c:3183)
[   58.580798][ T1200]  ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20)
[   58.580800][ T1200]  ? console_flush_one_record (./include/linux/rcupdate.h:314 (discriminator 2) ./include/linux/srcu.h:439 (discriminator 2) kernel/printk/printk.c:291 (discriminator 2) kernel/printk/printk.c:3246 (discriminator 2))
[   58.580803][ T1200]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   58.580806][ T1200]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   58.580810][ T1200]  console_flush_one_record (kernel/printk/printk.c:3268)
[   58.580814][ T1200]  ? console_emit_next_record (kernel/printk/printk.c:3150)
[   58.580815][ T1200]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   58.580821][ T1200]  console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420)
[   58.580824][ T1200]  ? console_flush_one_record (kernel/printk/printk.c:3316)
[   58.580825][ T1200]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   58.580827][ T1200]  ? 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)
[   58.580831][ T1200]  ? __down_trylock_console_sem (kernel/printk/printk.c:334)
[   58.580832][ T1200]  ? vprintk_emit (kernel/printk/printk.c:2478)
[   58.580835][ T1200]  vprintk_emit (kernel/printk/printk.c:2479)
[   58.580838][ T1200]  ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126))
[   58.580841][ T1200]  ? _mutex_trylock_nest_lock (kernel/locking/mutex.c:1227 (discriminator 6))
[   58.580848][ T1200]  _printk (kernel/printk/printk.c:2504)
[   58.580852][ T1200]  ? snapshot_read.cold (user.c:?)
[   58.580854][ T1200]  ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4116 (discriminator 3) kernel/rcu/tree.c:4108 (discriminator 3))
[   58.580856][ T1200]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380)
[   58.580859][ T1200]  ? validate_chain (kernel/locking/lockdep.c:3817 (discriminator 2) kernel/locking/lockdep.c:3837 (discriminator 2) kernel/locking/lockdep.c:3892 (discriminator 2))
[   58.580861][ T1200]  ? netdev_name (./include/linux/netdevice.h:5709 (discriminator 1))
[   58.580865][ T1200]  ? __netdev_printk (net/core/dev.c:13148 (discriminator 2))
[   58.580868][ T1200]  ? do_setlink.isra.0 (net/core/rtnetlink.c:3246)
[   58.580870][ T1200]  netdev_info (net/core/dev.c:13195 (discriminator 3))
[   58.580873][ T1200]  ? netdev_notice (net/core/dev.c:13194)
[   58.580876][ T1200]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[   58.580879][ T1200]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554)
[   58.580881][ T1200]  ? mark_held_locks (kernel/locking/lockdep.c:4341)
[   58.580884][ T1200]  ? do_setlink.isra.0 (net/core/rtnetlink.c:3246)
[   58.580886][ T1200]  netif_change_name.cold (net/core/dev.c:1507 (discriminator 3))
[   58.580888][ T1200]  ? register_netdev (net/core/dev.c:11618)
[   58.580890][ T1200]  ? is_bpf_text_address (./include/linux/rcupdate.h:319 (discriminator 2) ./include/linux/rcupdate.h:880 (discriminator 2) kernel/bpf/core.c:751 (discriminator 2))
[   58.580895][ T1200]  ? netdev_adjacent_rename_links (net/core/dev.c:9598)
[   58.580898][ T1200]  ? __kernel_text_address (kernel/extable.c:79)
[   58.580900][ T1200]  ? write_profile (profile.c:?)
[   58.580905][ T1200]  ? __asan_memset (mm/kasan/shadow.c:84 (discriminator 1))
[   58.580910][ T1200]  do_setlink.isra.0 (net/core/rtnetlink.c:3246)
[   58.580914][ T1200]  ? stack_trace_save (kernel/stacktrace.c:122 (discriminator 1))
[   58.580916][ T1200]  ? rtnl_link_get_size (net/core/rtnetlink.c:747)
[   58.580917][ T1200]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:388 kernel/rcu/update.c:380)
[   58.580919][ T1200]  ? stack_depot_save_flags (lib/stackdepot.c:609 (discriminator 2) lib/stackdepot.c:676 (discriminator 2))
[   58.580922][ T1200]  ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4116 (discriminator 3) kernel/rcu/tree.c:4108 (discriminator 3))
[   58.580924][ T1200]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380)
[   58.580926][ T1200]  ? validate_chain (kernel/locking/lockdep.c:3817 (discriminator 2) kernel/locking/lockdep.c:3837 (discriminator 2) kernel/locking/lockdep.c:3892 (discriminator 2))
[   58.580928][ T1200]  ? kasan_save_stack (mm/kasan/common.c:58)
[   58.580930][ T1200]  ? kasan_save_stack (mm/kasan/common.c:57)
[   58.580931][ T1200]  ? kasan_save_track (mm/kasan/common.c:78)
[   58.580933][ T1200]  ? __kasan_kmalloc (mm/kasan/common.c:398 mm/kasan/common.c:415)
[   58.580935][ T1200]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   58.580937][ T1200]  ? snd_ac97_proc_read_main (sound/pci/ac97/ac97_proc.c:320)
[   58.580940][ T1200]  ? ___sys_sendmsg (net/socket.c:2758)
[   58.580944][ T1200]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2))
[   58.580946][ T1200]  ? rtnl_newlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:366 net/core/rtnetlink.c:4214)
[   58.580948][ T1200]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   58.580950][ T1200]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   58.580952][ T1200]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   58.580953][ T1200]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   58.580954][ T1200]  ? trace_contention_end (./include/trace/events/lock.h:121 (discriminator 22))
[   58.580956][ T1200]  ? __mutex_lock (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:3188 kernel/locking/mutex.c:89 kernel/locking/mutex.c:134 kernel/locking/mutex.c:649 kernel/locking/mutex.c:821)
[   58.580958][ T1200]  ? __mutex_lock (kernel/locking/mutex.c:656 (discriminator 1) kernel/locking/mutex.c:821 (discriminator 1))
[   58.580960][ T1200]  ? rtnl_newlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:366 net/core/rtnetlink.c:4214)
[   58.580963][ T1200]  ? ww_mutex_lock (kernel/locking/mutex.c:934)
[   58.580964][ T1200]  ? nla_get_range_signed (lib/nlattr.c:270)
[   58.580969][ T1200]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   58.580971][ T1200]  ? __rtnl_newlink (net/core/rtnetlink.c:4063)
[   58.580976][ T1200]  rtnl_newlink (net/core/rtnetlink.c:4215)
[   58.580981][ T1200]  ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558)
[   58.580983][ T1200]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   58.580988][ T1200]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2))
[   58.580989][ T1200]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[   58.580991][ T1200]  ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558)
[   58.580993][ T1200]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554)
[   58.580997][ T1200]  ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558)
[   58.581003][ T1200]  rtnetlink_rcv_msg (net/core/rtnetlink.c:7132)
[   58.581006][ T1200]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   58.581007][ T1200]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   58.581012][ T1200]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2))
[   58.581013][ T1200]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[   58.581017][ T1200]  netlink_rcv_skb (net/netlink/af_netlink.c:2556)
[   58.581020][ T1200]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   58.581023][ T1200]  ? netlink_ack (./include/linux/skbuff.h:2718)
[   58.581029][ T1200]  ? netlink_deliver_tap (./include/linux/rcupdate.h:319 (discriminator 2) ./include/linux/rcupdate.h:880 (discriminator 2) ./include/net/netns/generic.h:48 (discriminator 2) net/netlink/af_netlink.c:334 (discriminator 2))
[   58.581031][ T1200]  ? netlink_deliver_tap (./include/linux/rcupdate.h:319 (discriminator 2) ./include/linux/rcupdate.h:880 (discriminator 2) net/netlink/af_netlink.c:341 (discriminator 2))
[   58.581035][ T1200]  netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[   58.581039][ T1200]  ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[   58.581042][ T1200]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[   58.581046][ T1200]  netlink_sendmsg (net/netlink/af_netlink.c:1900)
[   58.581050][ T1200]  ? netlink_unicast (./include/net/net_namespace.h:422 (discriminator 7))
[   58.581053][ T1200]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554)
[   58.581055][ T1200]  ? __import_iovec (lib/iov_iter.c:1358 lib/iov_iter.c:1373)
[   58.581061][ T1200]  __sock_sendmsg (net/socket.c:800 (discriminator 4) net/socket.c:815 (discriminator 4))
[   58.581063][ T1200]  ____sys_sendmsg (net/socket.c:2713)
[   58.581066][ T1200]  ? copy_msghdr_from_user (net/socket.c:2650)
[   58.581068][ T1200]  ? sock_write_iter (net/socket.c:1269)
[   58.581069][ T1200]  ? move_addr_to_kernel (net/socket.c:258)
[   58.581076][ T1200]  ___sys_sendmsg (net/socket.c:2767)
[   58.581079][ T1200]  ? copy_msghdr_from_user (net/socket.c:2619)
[   58.581094][ T1200]  __sys_sendmsg (net/socket.c:2799)
[   58.581097][ T1200]  ? __sys_sendmsg_sock (net/socket.c:2780)
[   58.581103][ T1200]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   58.581106][ T1200]  do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84)
[   58.581109][ T1200]  ? exc_page_fault (arch/x86/mm/fault.c:1489 (discriminator 3) arch/x86/mm/fault.c:1536 (discriminator 3))
[   58.581112][ T1200]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[   58.581115][ T1200] RIP: 0033:0x7f255c84154e
[   58.581119][ T1200] Code: 4d 89 d8 e8 b4 bd 00 00 4c 8b 5d f8 41 8b 93 08 03 00 00 59 5e 48 83 f8 fc 74 11 c9 c3 0f 1f 80 00 00 00 00 48 8b 45 10 0f 05 <c9> c3 83 e2 39 83 fa 08 75 e7 e8 03 ff ff ff 0f 1f 00 f3 0f 1e fa
All code
========
   0:	4d 89 d8             	mov    %r11,%r8
   3:	e8 b4 bd 00 00       	call   0xbdbc
   8:	4c 8b 5d f8          	mov    -0x8(%rbp),%r11
   c:	41 8b 93 08 03 00 00 	mov    0x308(%r11),%edx
  13:	59                   	pop    %rcx
  14:	5e                   	pop    %rsi
  15:	48 83 f8 fc          	cmp    $0xfffffffffffffffc,%rax
  19:	74 11                	je     0x2c
  1b:	c9                   	leave
  1c:	c3                   	ret
  1d:	0f 1f 80 00 00 00 00 	nopl   0x0(%rax)
  24:	48 8b 45 10          	mov    0x10(%rbp),%rax
  28:	0f 05                	syscall
  2a:*	c9                   	leave		<-- trapping instruction
  2b:	c3                   	ret
  2c:	83 e2 39             	and    $0x39,%edx
  2f:	83 fa 08             	cmp    $0x8,%edx
  32:	75 e7                	jne    0x1b
  34:	e8 03 ff ff ff       	call   0xffffffffffffff3c
  39:	0f 1f 00             	nopl   (%rax)
  3c:	f3 0f 1e fa          	endbr64

Code starting with the faulting instruction
===========================================
   0:	c9                   	leave
   1:	c3                   	ret
   2:	83 e2 39             	and    $0x39,%edx
   5:	83 fa 08             	cmp    $0x8,%edx
   8:	75 e7                	jne    0xfffffffffffffff1
   a:	e8 03 ff ff ff       	call   0xffffffffffffff12
   f:	0f 1f 00             	nopl   (%rax)
  12:	f3 0f 1e fa          	endbr64
[   58.581120][ T1200] RSP: 002b:00007ffcaf3cb980 EFLAGS: 00000202 ORIG_RAX: 000000000000002e
[   58.581123][ T1200] RAX: ffffffffffffffda RBX: 0000000000000006 RCX: 00007f255c84154e
[   58.581125][ T1200] RDX: 0000000000000000 RSI: 00007ffcaf3cba30 RDI: 0000000000000005
[   58.581126][ T1200] RBP: 00007ffcaf3cb990 R08: 0000000000000000 R09: 0000000000000000
[   58.581127][ T1200] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a915942
[   58.581127][ T1200] R13: 00000000004a1620 R14: 0000000000000000 R15: 00007ffcaf3cc100
| [   64.060558][ T1320] softirqs last disabled at (23660): netif_change_name (./include/linux/spinlock.h:353 ./include/linux/seqlock.h:908 net/core/dev.c:1499)
| [   64.060560][ T1320] Preemption disabled at:
| [   64.060561][ T1320] vprintk_emit (kernel/printk/printk.c:2471)
| [   64.060569][ T1320] Tainted: [W]=WARN
[   64.060570][ T1320] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   64.060572][ T1320] Call Trace:
[   64.060573][ T1320]  <TASK>
[   64.060575][ T1320]  dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120)
[   64.060581][ T1320]  ? vprintk_emit (kernel/printk/printk.c:2471)
[   64.060583][ T1320]  __might_resched.cold (kernel/sched/core.c:9234)
[   64.060587][ T1320]  ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3))
[   64.060592][ T1320]  ? __kmalloc_noprof (./include/linux/sched/mm.h:317 mm/slub.c:4636 mm/slub.c:4974 mm/slub.c:5413 mm/slub.c:5439)
[   64.060596][ T1320]  __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))
[   64.060598][ T1320]  ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[   64.060604][ T1320]  ? 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)
[   64.060607][ T1320]  alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[   64.060611][ T1320]  put_chars (drivers/char/virtio_console.c:1176)
[   64.060613][ T1320]  ? __send_to_port (drivers/char/virtio_console.c:654)
[   64.060619][ T1320]  hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2))
[   64.060627][ T1320]  ? hvc_write (drivers/tty/hvc/hvc_console.c:501)
[   64.060630][ T1320]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   64.060635][ T1320]  console_emit_next_record (kernel/printk/printk.c:3183)
[   64.060638][ T1320]  ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20)
[   64.060640][ T1320]  ? 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))
[   64.060644][ T1320]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   64.060646][ T1320]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   64.060650][ T1320]  console_flush_one_record (kernel/printk/printk.c:3268)
[   64.060654][ T1320]  ? console_emit_next_record (kernel/printk/printk.c:3150)
[   64.060656][ T1320]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   64.060661][ T1320]  console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420)
[   64.060664][ T1320]  ? console_flush_one_record (kernel/printk/printk.c:3316)
[   64.060666][ T1320]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   64.060668][ T1320]  ? 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)
[   64.060671][ T1320]  ? __down_trylock_console_sem (kernel/printk/printk.c:334)
[   64.060673][ T1320]  ? vprintk_emit (kernel/printk/printk.c:2478)
[   64.060676][ T1320]  vprintk_emit (kernel/printk/printk.c:2479)
[   64.060679][ T1320]  ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126))
[   64.060682][ T1320]  ? _mutex_trylock_nest_lock (kernel/locking/mutex.c:1227 (discriminator 6))
[   64.060687][ T1320]  _printk (kernel/printk/printk.c:2504)
[   64.060690][ T1320]  ? snapshot_read.cold (user.c:?)
[   64.060692][ T1320]  ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4116 (discriminator 3) kernel/rcu/tree.c:4108 (discriminator 3))
[   64.060695][ T1320]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380)
[   64.060697][ T1320]  ? validate_chain (kernel/locking/lockdep.c:3817 (discriminator 2) kernel/locking/lockdep.c:3837 (discriminator 2) kernel/locking/lockdep.c:3892 (discriminator 2))
[   64.060700][ T1320]  ? netdev_name (./include/linux/netdevice.h:5709 (discriminator 1))
[   64.060703][ T1320]  ? __netdev_printk (net/core/dev.c:13148 (discriminator 2))
[   64.060706][ T1320]  ? do_setlink.isra.0 (net/core/rtnetlink.c:3246)
[   64.060708][ T1320]  netdev_info (net/core/dev.c:13195 (discriminator 3))
[   64.060711][ T1320]  ? netdev_notice (net/core/dev.c:13194)
[   64.060714][ T1320]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[   64.060717][ T1320]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554)
[   64.060719][ T1320]  ? mark_held_locks (kernel/locking/lockdep.c:4341)
[   64.060723][ T1320]  ? do_setlink.isra.0 (net/core/rtnetlink.c:3246)
[   64.060725][ T1320]  netif_change_name.cold (net/core/dev.c:1507 (discriminator 3))
[   64.060727][ T1320]  ? register_netdev (net/core/dev.c:11618)
[   64.060728][ T1320]  ? 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))
[   64.060734][ T1320]  ? netdev_adjacent_rename_links (net/core/dev.c:9598)
[   64.060736][ T1320]  ? __kernel_text_address (kernel/extable.c:79)
[   64.060739][ T1320]  ? write_profile (profile.c:?)
[   64.060743][ T1320]  ? __asan_memset (mm/kasan/shadow.c:84 (discriminator 1))
[   64.060749][ T1320]  do_setlink.isra.0 (net/core/rtnetlink.c:3246)
[   64.060752][ T1320]  ? stack_trace_save (kernel/stacktrace.c:122 (discriminator 1))
[   64.060754][ T1320]  ? rtnl_link_get_size (net/core/rtnetlink.c:747)
[   64.060755][ T1320]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:388 kernel/rcu/update.c:380)
[   64.060757][ T1320]  ? stack_depot_save_flags (lib/stackdepot.c:609 (discriminator 2) lib/stackdepot.c:676 (discriminator 2))
[   64.060761][ T1320]  ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4116 (discriminator 3) kernel/rcu/tree.c:4108 (discriminator 3))
[   64.060762][ T1320]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380)
[   64.060764][ T1320]  ? validate_chain (kernel/locking/lockdep.c:3817 (discriminator 2) kernel/locking/lockdep.c:3837 (discriminator 2) kernel/locking/lockdep.c:3892 (discriminator 2))
[   64.060766][ T1320]  ? kasan_save_stack (mm/kasan/common.c:58)
[   64.060768][ T1320]  ? kasan_save_stack (mm/kasan/common.c:57)
[   64.060770][ T1320]  ? kasan_save_track (mm/kasan/common.c:78)
[   64.060771][ T1320]  ? __kasan_kmalloc (mm/kasan/common.c:398 mm/kasan/common.c:415)
[   64.060773][ T1320]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   64.060775][ T1320]  ? snd_ac97_proc_read_main (sound/pci/ac97/ac97_proc.c:320)
[   64.060778][ T1320]  ? ___sys_sendmsg (net/socket.c:2758)
[   64.060782][ T1320]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2))
[   64.060784][ T1320]  ? rtnl_newlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:366 net/core/rtnetlink.c:4214)
[   64.060786][ T1320]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   64.060788][ T1320]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   64.060790][ T1320]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   64.060791][ T1320]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   64.060792][ T1320]  ? trace_contention_end (./include/trace/events/lock.h:121 (discriminator 22))
[   64.060795][ T1320]  ? __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)
[   64.060796][ T1320]  ? __mutex_lock (kernel/locking/mutex.c:656 (discriminator 1) kernel/locking/mutex.c:821 (discriminator 1))
[   64.060798][ T1320]  ? rtnl_newlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:366 net/core/rtnetlink.c:4214)
[   64.060801][ T1320]  ? ww_mutex_lock (kernel/locking/mutex.c:934)
[   64.060802][ T1320]  ? nla_get_range_signed (lib/nlattr.c:270)
[   64.060807][ T1320]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   64.060810][ T1320]  ? __rtnl_newlink (net/core/rtnetlink.c:4063)
[   64.060815][ T1320]  rtnl_newlink (net/core/rtnetlink.c:4215)
[   64.060820][ T1320]  ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558)
[   64.060822][ T1320]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   64.060827][ T1320]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2))
[   64.060828][ T1320]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[   64.060830][ T1320]  ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558)
[   64.060832][ T1320]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554)
[   64.060836][ T1320]  ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558)
[   64.060838][ T1320]  rtnetlink_rcv_msg (net/core/rtnetlink.c:7132)
[   64.060841][ T1320]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   64.060842][ T1320]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   64.060850][ T1320]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2))
[   64.060851][ T1320]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[   64.060855][ T1320]  netlink_rcv_skb (net/netlink/af_netlink.c:2556)
[   64.060858][ T1320]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   64.060861][ T1320]  ? netlink_ack (./include/linux/skbuff.h:2718)
[   64.060867][ T1320]  ? 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))
[   64.060869][ T1320]  ? 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))
[   64.060873][ T1320]  netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[   64.060877][ T1320]  ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[   64.060880][ T1320]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[   64.060884][ T1320]  netlink_sendmsg (net/netlink/af_netlink.c:1900)
[   64.060888][ T1320]  ? netlink_unicast (./include/net/net_namespace.h:422 (discriminator 7))
[   64.060891][ T1320]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554)
[   64.060893][ T1320]  ? __import_iovec (lib/iov_iter.c:1358 lib/iov_iter.c:1373)
[   64.060898][ T1320]  __sock_sendmsg (net/socket.c:800 (discriminator 4) net/socket.c:815 (discriminator 4))
[   64.060901][ T1320]  ____sys_sendmsg (net/socket.c:2713)
[   64.060903][ T1320]  ? copy_msghdr_from_user (net/socket.c:2650)
[   64.060905][ T1320]  ? sock_write_iter (net/socket.c:1269)
[   64.060907][ T1320]  ? move_addr_to_kernel (net/socket.c:258)
[   64.060914][ T1320]  ___sys_sendmsg (net/socket.c:2767)
[   64.060917][ T1320]  ? copy_msghdr_from_user (net/socket.c:2619)
[   64.060932][ T1320]  __sys_sendmsg (net/socket.c:2799)
[   64.060935][ T1320]  ? __sys_sendmsg_sock (net/socket.c:2780)
[   64.060941][ T1320]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   64.060944][ T1320]  do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84)
[   64.060947][ T1320]  ? exc_page_fault (arch/x86/mm/fault.c:1489 (discriminator 3) arch/x86/mm/fault.c:1536 (discriminator 3))
[   64.060950][ T1320]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[   64.060952][ T1320] RIP: 0033:0x7f8289cb654e
[   64.060956][ T1320] 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
[   64.060958][ T1320] RSP: 002b:00007ffe9d530f30 EFLAGS: 00000202 ORIG_RAX: 000000000000002e
[   64.060961][ T1320] RAX: ffffffffffffffda RBX: 0000000000000006 RCX: 00007f8289cb654e
[   64.060962][ T1320] RDX: 0000000000000000 RSI: 00007ffe9d530fe0 RDI: 0000000000000005
[   64.060963][ T1320] RBP: 00007ffe9d530f40 R08: 0000000000000000 R09: 0000000000000000
[   64.060964][ T1320] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a915948
[   64.060965][ T1320] R13: 00000000004a1620 R14: 0000000000000000 R15: 00007ffe9d5316b0
| [   70.407557][ T1439] softirqs last disabled at (25860): netif_change_name (./include/linux/spinlock.h:353 ./include/linux/seqlock.h:908 net/core/dev.c:1499)
| [   70.407560][ T1439] Preemption disabled at:
| [   70.407561][ T1439] vprintk_emit (kernel/printk/printk.c:2471)
| [   70.407573][ T1439] Tainted: [W]=WARN
[   70.407574][ T1439] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   70.407576][ T1439] Call Trace:
[   70.407578][ T1439]  <TASK>
[   70.407581][ T1439]  dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120)
[   70.407587][ T1439]  ? vprintk_emit (kernel/printk/printk.c:2471)
[   70.407590][ T1439]  __might_resched.cold (kernel/sched/core.c:9234)
[   70.407596][ T1439]  ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3))
[   70.407602][ T1439]  ? __kmalloc_noprof (./include/linux/sched/mm.h:317 mm/slub.c:4636 mm/slub.c:4974 mm/slub.c:5413 mm/slub.c:5439)
[   70.407608][ T1439]  __kmalloc_noprof (./include/linux/sched/mm.h:322 (discriminator 2) mm/slub.c:4636 (discriminator 2) mm/slub.c:4974 (discriminator 2) mm/slub.c:5413 (discriminator 2) mm/slub.c:5439 (discriminator 2))
[   70.407612][ T1439]  ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[   70.407621][ T1439]  ? do_raw_spin_unlock (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:32 ./include/asm-generic/qspinlock.h:58 kernel/locking/spinlock_debug.c:101 kernel/locking/spinlock_debug.c:141)
[   70.407625][ T1439]  alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[   70.407631][ T1439]  put_chars (drivers/char/virtio_console.c:1176)
[   70.407635][ T1439]  ? __send_to_port (drivers/char/virtio_console.c:654)
[   70.407646][ T1439]  hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2))
[   70.407658][ T1439]  ? hvc_write (drivers/tty/hvc/hvc_console.c:501)
[   70.407663][ T1439]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   70.407671][ T1439]  console_emit_next_record (kernel/printk/printk.c:3183)
[   70.407677][ T1439]  ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20)
[   70.407680][ T1439]  ? console_flush_one_record (./include/linux/rcupdate.h:314 (discriminator 2) ./include/linux/srcu.h:439 (discriminator 2) kernel/printk/printk.c:291 (discriminator 2) kernel/printk/printk.c:3246 (discriminator 2))
[   70.407685][ T1439]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   70.407689][ T1439]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   70.407696][ T1439]  console_flush_one_record (kernel/printk/printk.c:3268)
[   70.407703][ T1439]  ? console_emit_next_record (kernel/printk/printk.c:3150)
[   70.407706][ T1439]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   70.407715][ T1439]  console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420)
[   70.407719][ T1439]  ? console_flush_one_record (kernel/printk/printk.c:3316)
[   70.407722][ T1439]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   70.407725][ T1439]  ? lock_acquire (./include/linux/srcutree.h:374 ./include/linux/srcu.h:541 ./include/linux/srcu.h:645 ./include/trace/events/lock.h:23 ./include/trace/events/lock.h:23 kernel/locking/lockdep.c:5871)
[   70.407731][ T1439]  ? __down_trylock_console_sem (kernel/printk/printk.c:334)
[   70.407734][ T1439]  ? vprintk_emit (kernel/printk/printk.c:2478)
[   70.407739][ T1439]  vprintk_emit (kernel/printk/printk.c:2479)
[   70.407744][ T1439]  ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126))
[   70.407749][ T1439]  ? _mutex_trylock_nest_lock (kernel/locking/mutex.c:1227 (discriminator 6))
[   70.407757][ T1439]  _printk (kernel/printk/printk.c:2504)
[   70.407762][ T1439]  ? snapshot_read.cold (user.c:?)
[   70.407765][ T1439]  ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4116 (discriminator 3) kernel/rcu/tree.c:4108 (discriminator 3))
[   70.407769][ T1439]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380)
[   70.407773][ T1439]  ? validate_chain (kernel/locking/lockdep.c:3817 (discriminator 2) kernel/locking/lockdep.c:3837 (discriminator 2) kernel/locking/lockdep.c:3892 (discriminator 2))
[   70.407777][ T1439]  ? netdev_name (./include/linux/netdevice.h:5709 (discriminator 1))
[   70.407782][ T1439]  ? __netdev_printk (net/core/dev.c:13148 (discriminator 2))
[   70.407786][ T1439]  ? do_setlink.isra.0 (net/core/rtnetlink.c:3246)
[   70.407790][ T1439]  netdev_info (net/core/dev.c:13195 (discriminator 3))
[   70.407794][ T1439]  ? netdev_notice (net/core/dev.c:13194)
[   70.407798][ T1439]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[   70.407803][ T1439]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554)
[   70.407807][ T1439]  ? mark_held_locks (kernel/locking/lockdep.c:4341)
[   70.407813][ T1439]  ? do_setlink.isra.0 (net/core/rtnetlink.c:3246)
[   70.407816][ T1439]  netif_change_name.cold (net/core/dev.c:1507 (discriminator 3))
[   70.407820][ T1439]  ? register_netdev (net/core/dev.c:11618)
[   70.407822][ T1439]  ? 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))
[   70.407830][ T1439]  ? netdev_adjacent_rename_links (net/core/dev.c:9598)
[   70.407834][ T1439]  ? __kernel_text_address (kernel/extable.c:79)
[   70.407837][ T1439]  ? write_profile (profile.c:?)
[   70.407849][ T1439]  ? __asan_memset (mm/kasan/shadow.c:84 (discriminator 1))
[   70.407858][ T1439]  do_setlink.isra.0 (net/core/rtnetlink.c:3246)
[   70.407864][ T1439]  ? stack_trace_save (kernel/stacktrace.c:122 (discriminator 1))
[   70.407868][ T1439]  ? rtnl_link_get_size (net/core/rtnetlink.c:747)
[   70.407870][ T1439]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:388 kernel/rcu/update.c:380)
[   70.407873][ T1439]  ? stack_depot_save_flags (lib/stackdepot.c:609 (discriminator 2) lib/stackdepot.c:676 (discriminator 2))
[   70.407877][ T1439]  ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4116 (discriminator 3) kernel/rcu/tree.c:4108 (discriminator 3))
[   70.407881][ T1439]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380)
[   70.407883][ T1439]  ? validate_chain (kernel/locking/lockdep.c:3817 (discriminator 2) kernel/locking/lockdep.c:3837 (discriminator 2) kernel/locking/lockdep.c:3892 (discriminator 2))
[   70.407887][ T1439]  ? kasan_save_stack (mm/kasan/common.c:58)
[   70.407890][ T1439]  ? kasan_save_stack (mm/kasan/common.c:57)
[   70.407892][ T1439]  ? kasan_save_track (mm/kasan/common.c:78)
[   70.407894][ T1439]  ? __kasan_kmalloc (mm/kasan/common.c:398 mm/kasan/common.c:415)
[   70.407898][ T1439]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   70.407901][ T1439]  ? snd_ac97_proc_read_main (sound/pci/ac97/ac97_proc.c:320)
[   70.407905][ T1439]  ? ___sys_sendmsg (net/socket.c:2758)
[   70.407912][ T1439]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2))
[   70.407915][ T1439]  ? rtnl_newlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:366 net/core/rtnetlink.c:4214)
[   70.407919][ T1439]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   70.407922][ T1439]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   70.407924][ T1439]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   70.407926][ T1439]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   70.407929][ T1439]  ? trace_contention_end (./include/trace/events/lock.h:121 (discriminator 22))
[   70.407933][ T1439]  ? __mutex_lock (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:3188 kernel/locking/mutex.c:89 kernel/locking/mutex.c:134 kernel/locking/mutex.c:649 kernel/locking/mutex.c:821)
[   70.407935][ T1439]  ? __mutex_lock (kernel/locking/mutex.c:656 (discriminator 1) kernel/locking/mutex.c:821 (discriminator 1))
[   70.407938][ T1439]  ? rtnl_newlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:366 net/core/rtnetlink.c:4214)
[   70.407944][ T1439]  ? ww_mutex_lock (kernel/locking/mutex.c:934)
[   70.407946][ T1439]  ? nla_get_range_signed (lib/nlattr.c:270)
[   70.407954][ T1439]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   70.407958][ T1439]  ? __rtnl_newlink (net/core/rtnetlink.c:4063)
[   70.407967][ T1439]  rtnl_newlink (net/core/rtnetlink.c:4215)
[   70.407977][ T1439]  ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558)
[   70.407980][ T1439]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   70.407988][ T1439]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2))
[   70.407991][ T1439]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[   70.407994][ T1439]  ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558)
[   70.407997][ T1439]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554)
[   70.408004][ T1439]  ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558)
[   70.408007][ T1439]  rtnetlink_rcv_msg (net/core/rtnetlink.c:7132)
[   70.408013][ T1439]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   70.408015][ T1439]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   70.408023][ T1439]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2))
[   70.408026][ T1439]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[   70.408032][ T1439]  netlink_rcv_skb (net/netlink/af_netlink.c:2556)
[   70.408036][ T1439]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   70.408041][ T1439]  ? netlink_ack (./include/linux/skbuff.h:2718)
[   70.408057][ T1439]  ? netlink_deliver_tap (./include/linux/rcupdate.h:319 (discriminator 2) ./include/linux/rcupdate.h:880 (discriminator 2) ./include/net/netns/generic.h:48 (discriminator 2) net/netlink/af_netlink.c:334 (discriminator 2))
[   70.408060][ T1439]  ? netlink_deliver_tap (./include/linux/rcupdate.h:319 (discriminator 2) ./include/linux/rcupdate.h:880 (discriminator 2) net/netlink/af_netlink.c:341 (discriminator 2))
[   70.408068][ T1439]  netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[   70.408075][ T1439]  ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[   70.408079][ T1439]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[   70.408086][ T1439]  netlink_sendmsg (net/netlink/af_netlink.c:1900)
[   70.408093][ T1439]  ? netlink_unicast (./include/net/net_namespace.h:422 (discriminator 7))
[   70.408099][ T1439]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554)
[   70.408102][ T1439]  ? __import_iovec (lib/iov_iter.c:1358 lib/iov_iter.c:1373)
[   70.408110][ T1439]  __sock_sendmsg (net/socket.c:800 (discriminator 4) net/socket.c:815 (discriminator 4))
[   70.408115][ T1439]  ____sys_sendmsg (net/socket.c:2713)
[   70.408119][ T1439]  ? copy_msghdr_from_user (net/socket.c:2650)
[   70.408122][ T1439]  ? sock_write_iter (net/socket.c:1269)
[   70.408125][ T1439]  ? move_addr_to_kernel (net/socket.c:258)
[   70.408138][ T1439]  ___sys_sendmsg (net/socket.c:2767)
[   70.408142][ T1439]  ? copy_msghdr_from_user (net/socket.c:2619)
[   70.408171][ T1439]  __sys_sendmsg (net/socket.c:2799)
[   70.408176][ T1439]  ? __sys_sendmsg_sock (net/socket.c:2780)
[   70.408187][ T1439]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   70.408192][ T1439]  do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84)
[   70.408196][ T1439]  ? exc_page_fault (arch/x86/mm/fault.c:1489 (discriminator 3) arch/x86/mm/fault.c:1536 (discriminator 3))
[   70.408201][ T1439]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[   70.408204][ T1439] RIP: 0033:0x7f485474e54e
[   70.408209][ T1439] Code: 4d 89 d8 e8 b4 bd 00 00 4c 8b 5d f8 41 8b 93 08 03 00 00 59 5e 48 83 f8 fc 74 11 c9 c3 0f 1f 80 00 00 00 00 48 8b 45 10 0f 05 <c9> c3 83 e2 39 83 fa 08 75 e7 e8 03 ff ff ff 0f 1f 00 f3 0f 1e fa
All code
========
   0:	4d 89 d8             	mov    %r11,%r8
   3:	e8 b4 bd 00 00       	call   0xbdbc
   8:	4c 8b 5d f8          	mov    -0x8(%rbp),%r11
   c:	41 8b 93 08 03 00 00 	mov    0x308(%r11),%edx
  13:	59                   	pop    %rcx
  14:	5e                   	pop    %rsi
  15:	48 83 f8 fc          	cmp    $0xfffffffffffffffc,%rax
  19:	74 11                	je     0x2c
  1b:	c9                   	leave
  1c:	c3                   	ret
  1d:	0f 1f 80 00 00 00 00 	nopl   0x0(%rax)
  24:	48 8b 45 10          	mov    0x10(%rbp),%rax
  28:	0f 05                	syscall
  2a:*	c9                   	leave		<-- trapping instruction
  2b:	c3                   	ret
  2c:	83 e2 39             	and    $0x39,%edx
  2f:	83 fa 08             	cmp    $0x8,%edx
  32:	75 e7                	jne    0x1b
  34:	e8 03 ff ff ff       	call   0xffffffffffffff3c
  39:	0f 1f 00             	nopl   (%rax)
  3c:	f3 0f 1e fa          	endbr64

Code starting with the faulting instruction
===========================================
   0:	c9                   	leave
   1:	c3                   	ret
   2:	83 e2 39             	and    $0x39,%edx
   5:	83 fa 08             	cmp    $0x8,%edx
   8:	75 e7                	jne    0xfffffffffffffff1
   a:	e8 03 ff ff ff       	call   0xffffffffffffff12
   f:	0f 1f 00             	nopl   (%rax)
  12:	f3 0f 1e fa          	endbr64
[   70.408211][ T1439] RSP: 002b:00007fff10c09640 EFLAGS: 00000202 ORIG_RAX: 000000000000002e
[   70.408216][ T1439] RAX: ffffffffffffffda RBX: 0000000000000006 RCX: 00007f485474e54e
[   70.408218][ T1439] RDX: 0000000000000000 RSI: 00007fff10c096f0 RDI: 0000000000000005
[   70.408220][ T1439] RBP: 00007fff10c09650 R08: 0000000000000000 R09: 0000000000000000
[   70.408221][ T1439] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a91594e
[   70.408222][ T1439] R13: 00000000004a1620 R14: 0000000000000000 R15: 00007fff10c09dc0
| [   76.021875][ T1556] softirqs last disabled at (23804): netif_change_name (./include/linux/spinlock.h:353 ./include/linux/seqlock.h:908 net/core/dev.c:1499)
| [   76.021877][ T1556] Preemption disabled at:
| [   76.021878][ T1556] vprintk_emit (kernel/printk/printk.c:2471)
| [   76.021887][ T1556] Tainted: [W]=WARN
[   76.021888][ T1556] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   76.021890][ T1556] Call Trace:
[   76.021891][ T1556]  <TASK>
[   76.021893][ T1556]  dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120)
[   76.021899][ T1556]  ? vprintk_emit (kernel/printk/printk.c:2471)
[   76.021901][ T1556]  __might_resched.cold (kernel/sched/core.c:9234)
[   76.021905][ T1556]  ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3))
[   76.021909][ T1556]  ? __kmalloc_noprof (./include/linux/sched/mm.h:317 mm/slub.c:4636 mm/slub.c:4974 mm/slub.c:5413 mm/slub.c:5439)
[   76.021914][ T1556]  __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))
[   76.021916][ T1556]  ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[   76.021922][ T1556]  ? 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)
[   76.021925][ T1556]  alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[   76.021929][ T1556]  put_chars (drivers/char/virtio_console.c:1176)
[   76.021931][ T1556]  ? __send_to_port (drivers/char/virtio_console.c:654)
[   76.021937][ T1556]  hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2))
[   76.021945][ T1556]  ? hvc_write (drivers/tty/hvc/hvc_console.c:501)
[   76.021948][ T1556]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   76.021952][ T1556]  console_emit_next_record (kernel/printk/printk.c:3183)
[   76.021956][ T1556]  ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20)
[   76.021958][ T1556]  ? 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))
[   76.021961][ T1556]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   76.021964][ T1556]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   76.021968][ T1556]  console_flush_one_record (kernel/printk/printk.c:3268)
[   76.021972][ T1556]  ? console_emit_next_record (kernel/printk/printk.c:3150)
[   76.021974][ T1556]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   76.021979][ T1556]  console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420)
[   76.021982][ T1556]  ? console_flush_one_record (kernel/printk/printk.c:3316)
[   76.021984][ T1556]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   76.021985][ T1556]  ? 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)
[   76.021989][ T1556]  ? __down_trylock_console_sem (kernel/printk/printk.c:334)
[   76.021991][ T1556]  ? vprintk_emit (kernel/printk/printk.c:2478)
[   76.021993][ T1556]  vprintk_emit (kernel/printk/printk.c:2479)
[   76.021996][ T1556]  ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126))
[   76.021999][ T1556]  ? _mutex_trylock_nest_lock (kernel/locking/mutex.c:1227 (discriminator 6))
[   76.022004][ T1556]  _printk (kernel/printk/printk.c:2504)
[   76.022007][ T1556]  ? snapshot_read.cold (user.c:?)
[   76.022009][ T1556]  ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4116 (discriminator 3) kernel/rcu/tree.c:4108 (discriminator 3))
[   76.022012][ T1556]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380)
[   76.022014][ T1556]  ? validate_chain (kernel/locking/lockdep.c:3817 (discriminator 2) kernel/locking/lockdep.c:3837 (discriminator 2) kernel/locking/lockdep.c:3892 (discriminator 2))
[   76.022016][ T1556]  ? netdev_name (./include/linux/netdevice.h:5709 (discriminator 1))
[   76.022020][ T1556]  ? __netdev_printk (net/core/dev.c:13148 (discriminator 2))
[   76.022023][ T1556]  ? do_setlink.isra.0 (net/core/rtnetlink.c:3246)
[   76.022025][ T1556]  netdev_info (net/core/dev.c:13195 (discriminator 3))
[   76.022028][ T1556]  ? netdev_notice (net/core/dev.c:13194)
[   76.022031][ T1556]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[   76.022034][ T1556]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554)
[   76.022036][ T1556]  ? mark_held_locks (kernel/locking/lockdep.c:4341)
[   76.022040][ T1556]  ? do_setlink.isra.0 (net/core/rtnetlink.c:3246)
[   76.022042][ T1556]  netif_change_name.cold (net/core/dev.c:1507 (discriminator 3))
[   76.022044][ T1556]  ? register_netdev (net/core/dev.c:11618)
[   76.022045][ T1556]  ? 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))
[   76.022051][ T1556]  ? netdev_adjacent_rename_links (net/core/dev.c:9598)
[   76.022053][ T1556]  ? __kernel_text_address (kernel/extable.c:79)
[   76.022056][ T1556]  ? write_profile (profile.c:?)
[   76.022060][ T1556]  ? __asan_memset (mm/kasan/shadow.c:84 (discriminator 1))
[   76.022065][ T1556]  do_setlink.isra.0 (net/core/rtnetlink.c:3246)
[   76.022073][ T1556]  ? stack_trace_save (kernel/stacktrace.c:122 (discriminator 1))
[   76.022075][ T1556]  ? rtnl_link_get_size (net/core/rtnetlink.c:747)
[   76.022077][ T1556]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:388 kernel/rcu/update.c:380)
[   76.022079][ T1556]  ? stack_depot_save_flags (lib/stackdepot.c:609 (discriminator 2) lib/stackdepot.c:676 (discriminator 2))
[   76.022082][ T1556]  ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4116 (discriminator 3) kernel/rcu/tree.c:4108 (discriminator 3))
[   76.022084][ T1556]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380)
[   76.022086][ T1556]  ? validate_chain (kernel/locking/lockdep.c:3817 (discriminator 2) kernel/locking/lockdep.c:3837 (discriminator 2) kernel/locking/lockdep.c:3892 (discriminator 2))
[   76.022088][ T1556]  ? kasan_save_stack (mm/kasan/common.c:58)
[   76.022090][ T1556]  ? kasan_save_stack (mm/kasan/common.c:57)
[   76.022091][ T1556]  ? kasan_save_track (mm/kasan/common.c:78)
[   76.022092][ T1556]  ? __kasan_kmalloc (mm/kasan/common.c:398 mm/kasan/common.c:415)
[   76.022095][ T1556]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   76.022097][ T1556]  ? snd_ac97_proc_read_main (sound/pci/ac97/ac97_proc.c:320)
[   76.022100][ T1556]  ? ___sys_sendmsg (net/socket.c:2758)
[   76.022104][ T1556]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2))
[   76.022106][ T1556]  ? rtnl_newlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:366 net/core/rtnetlink.c:4214)
[   76.022108][ T1556]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   76.022110][ T1556]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   76.022111][ T1556]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   76.022112][ T1556]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   76.022114][ T1556]  ? trace_contention_end (./include/trace/events/lock.h:121 (discriminator 22))
[   76.022116][ T1556]  ? __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)
[   76.022117][ T1556]  ? __mutex_lock (kernel/locking/mutex.c:656 (discriminator 1) kernel/locking/mutex.c:821 (discriminator 1))
[   76.022119][ T1556]  ? rtnl_newlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:366 net/core/rtnetlink.c:4214)
[   76.022122][ T1556]  ? ww_mutex_lock (kernel/locking/mutex.c:934)
[   76.022124][ T1556]  ? nla_get_range_signed (lib/nlattr.c:270)
[   76.022129][ T1556]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   76.022131][ T1556]  ? __rtnl_newlink (net/core/rtnetlink.c:4063)
[   76.022136][ T1556]  rtnl_newlink (net/core/rtnetlink.c:4215)
[   76.022141][ T1556]  ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558)
[   76.022143][ T1556]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   76.022147][ T1556]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2))
[   76.022149][ T1556]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[   76.022151][ T1556]  ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558)
[   76.022153][ T1556]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554)
[   76.022156][ T1556]  ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558)
[   76.022158][ T1556]  rtnetlink_rcv_msg (net/core/rtnetlink.c:7132)
[   76.022161][ T1556]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   76.022163][ T1556]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   76.022167][ T1556]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2))
[   76.022169][ T1556]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[   76.022172][ T1556]  netlink_rcv_skb (net/netlink/af_netlink.c:2556)
[   76.022176][ T1556]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   76.022178][ T1556]  ? netlink_ack (./include/linux/skbuff.h:2718)
[   76.022185][ T1556]  ? 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))
[   76.022187][ T1556]  ? 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))
[   76.022191][ T1556]  netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[   76.022195][ T1556]  ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[   76.022197][ T1556]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[   76.022201][ T1556]  netlink_sendmsg (net/netlink/af_netlink.c:1900)
[   76.022205][ T1556]  ? netlink_unicast (./include/net/net_namespace.h:422 (discriminator 7))
[   76.022209][ T1556]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554)
[   76.022211][ T1556]  ? __import_iovec (lib/iov_iter.c:1358 lib/iov_iter.c:1373)
[   76.022216][ T1556]  __sock_sendmsg (net/socket.c:800 (discriminator 4) net/socket.c:815 (discriminator 4))
[   76.022219][ T1556]  ____sys_sendmsg (net/socket.c:2713)
[   76.022221][ T1556]  ? copy_msghdr_from_user (net/socket.c:2650)
[   76.022223][ T1556]  ? sock_write_iter (net/socket.c:1269)
[   76.022225][ T1556]  ? move_addr_to_kernel (net/socket.c:258)
[   76.022232][ T1556]  ___sys_sendmsg (net/socket.c:2767)
[   76.022234][ T1556]  ? copy_msghdr_from_user (net/socket.c:2619)
[   76.022250][ T1556]  __sys_sendmsg (net/socket.c:2799)
[   76.022252][ T1556]  ? __sys_sendmsg_sock (net/socket.c:2780)
[   76.022258][ T1556]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   76.022261][ T1556]  do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84)
[   76.022264][ T1556]  ? exc_page_fault (arch/x86/mm/fault.c:1489 (discriminator 3) arch/x86/mm/fault.c:1536 (discriminator 3))
[   76.022267][ T1556]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[   76.022270][ T1556] RIP: 0033:0x7fac36c4f54e
[   76.022274][ T1556] 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
[   76.022276][ T1556] RSP: 002b:00007fff87898300 EFLAGS: 00000202 ORIG_RAX: 000000000000002e
[   76.022278][ T1556] RAX: ffffffffffffffda RBX: 0000000000000006 RCX: 00007fac36c4f54e
[   76.022280][ T1556] RDX: 0000000000000000 RSI: 00007fff878983b0 RDI: 0000000000000005
[   76.022281][ T1556] RBP: 00007fff87898310 R08: 0000000000000000 R09: 0000000000000000
[   76.022282][ T1556] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a915954
[   76.022283][ T1556] R13: 00000000004a1620 R14: 0000000000000000 R15: 00007fff87898a80
| [   81.754404][ T1677] softirqs last disabled at (24100): netif_change_name (./include/linux/spinlock.h:353 ./include/linux/seqlock.h:908 net/core/dev.c:1499)
| [   81.754407][ T1677] Preemption disabled at:
| [   81.754407][ T1677] vprintk_emit (kernel/printk/printk.c:2471)
| [   81.754415][ T1677] Tainted: [W]=WARN
[   81.754416][ T1677] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   81.754418][ T1677] Call Trace:
[   81.754420][ T1677]  <TASK>
[   81.754421][ T1677]  dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120)
[   81.754427][ T1677]  ? vprintk_emit (kernel/printk/printk.c:2471)
[   81.754429][ T1677]  __might_resched.cold (kernel/sched/core.c:9234)
[   81.754433][ T1677]  ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3))
[   81.754437][ T1677]  ? __kmalloc_noprof (./include/linux/sched/mm.h:317 mm/slub.c:4636 mm/slub.c:4974 mm/slub.c:5413 mm/slub.c:5439)
[   81.754442][ T1677]  __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))
[   81.754444][ T1677]  ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[   81.754450][ T1677]  ? 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)
[   81.754453][ T1677]  alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[   81.754457][ T1677]  put_chars (drivers/char/virtio_console.c:1176)
[   81.754459][ T1677]  ? __send_to_port (drivers/char/virtio_console.c:654)
[   81.754465][ T1677]  hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2))
[   81.754473][ T1677]  ? hvc_write (drivers/tty/hvc/hvc_console.c:501)
[   81.754476][ T1677]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   81.754481][ T1677]  console_emit_next_record (kernel/printk/printk.c:3183)
[   81.754485][ T1677]  ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20)
[   81.754487][ T1677]  ? 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))
[   81.754490][ T1677]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   81.754493][ T1677]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   81.754497][ T1677]  console_flush_one_record (kernel/printk/printk.c:3268)
[   81.754501][ T1677]  ? console_emit_next_record (kernel/printk/printk.c:3150)
[   81.754503][ T1677]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   81.754508][ T1677]  console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420)
[   81.754511][ T1677]  ? console_flush_one_record (kernel/printk/printk.c:3316)
[   81.754512][ T1677]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   81.754514][ T1677]  ? 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)
[   81.754518][ T1677]  ? __down_trylock_console_sem (kernel/printk/printk.c:334)
[   81.754520][ T1677]  ? vprintk_emit (kernel/printk/printk.c:2478)
[   81.754522][ T1677]  vprintk_emit (kernel/printk/printk.c:2479)
[   81.754525][ T1677]  ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126))
[   81.754528][ T1677]  ? _mutex_trylock_nest_lock (kernel/locking/mutex.c:1227 (discriminator 6))
[   81.754533][ T1677]  _printk (kernel/printk/printk.c:2504)
[   81.754537][ T1677]  ? snapshot_read.cold (user.c:?)
[   81.754538][ T1677]  ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4116 (discriminator 3) kernel/rcu/tree.c:4108 (discriminator 3))
[   81.754541][ T1677]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380)
[   81.754543][ T1677]  ? validate_chain (kernel/locking/lockdep.c:3817 (discriminator 2) kernel/locking/lockdep.c:3837 (discriminator 2) kernel/locking/lockdep.c:3892 (discriminator 2))
[   81.754545][ T1677]  ? netdev_name (./include/linux/netdevice.h:5709 (discriminator 1))
[   81.754549][ T1677]  ? __netdev_printk (net/core/dev.c:13148 (discriminator 2))
[   81.754552][ T1677]  ? do_setlink.isra.0 (net/core/rtnetlink.c:3246)
[   81.754554][ T1677]  netdev_info (net/core/dev.c:13195 (discriminator 3))
[   81.754557][ T1677]  ? netdev_notice (net/core/dev.c:13194)
[   81.754560][ T1677]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[   81.754563][ T1677]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554)
[   81.754565][ T1677]  ? mark_held_locks (kernel/locking/lockdep.c:4341)
[   81.754568][ T1677]  ? do_setlink.isra.0 (net/core/rtnetlink.c:3246)
[   81.754571][ T1677]  netif_change_name.cold (net/core/dev.c:1507 (discriminator 3))
[   81.754573][ T1677]  ? register_netdev (net/core/dev.c:11618)
[   81.754574][ T1677]  ? 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))
[   81.754579][ T1677]  ? netdev_adjacent_rename_links (net/core/dev.c:9598)
[   81.754582][ T1677]  ? __kernel_text_address (kernel/extable.c:79)
[   81.754584][ T1677]  ? write_profile (profile.c:?)
[   81.754588][ T1677]  ? __asan_memset (mm/kasan/shadow.c:84 (discriminator 1))
[   81.754594][ T1677]  do_setlink.isra.0 (net/core/rtnetlink.c:3246)
[   81.754597][ T1677]  ? stack_trace_save (kernel/stacktrace.c:122 (discriminator 1))
[   81.754600][ T1677]  ? rtnl_link_get_size (net/core/rtnetlink.c:747)
[   81.754601][ T1677]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:388 kernel/rcu/update.c:380)
[   81.754603][ T1677]  ? stack_depot_save_flags (lib/stackdepot.c:609 (discriminator 2) lib/stackdepot.c:676 (discriminator 2))
[   81.754606][ T1677]  ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4116 (discriminator 3) kernel/rcu/tree.c:4108 (discriminator 3))
[   81.754608][ T1677]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380)
[   81.754610][ T1677]  ? validate_chain (kernel/locking/lockdep.c:3817 (discriminator 2) kernel/locking/lockdep.c:3837 (discriminator 2) kernel/locking/lockdep.c:3892 (discriminator 2))
[   81.754612][ T1677]  ? kasan_save_stack (mm/kasan/common.c:58)
[   81.754614][ T1677]  ? kasan_save_stack (mm/kasan/common.c:57)
[   81.754615][ T1677]  ? kasan_save_track (mm/kasan/common.c:78)
[   81.754616][ T1677]  ? __kasan_kmalloc (mm/kasan/common.c:398 mm/kasan/common.c:415)
[   81.754618][ T1677]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   81.754620][ T1677]  ? snd_ac97_proc_read_main (sound/pci/ac97/ac97_proc.c:320)
[   81.754624][ T1677]  ? ___sys_sendmsg (net/socket.c:2758)
[   81.754628][ T1677]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2))
[   81.754630][ T1677]  ? rtnl_newlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:366 net/core/rtnetlink.c:4214)
[   81.754632][ T1677]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   81.754634][ T1677]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   81.754635][ T1677]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   81.754637][ T1677]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   81.754638][ T1677]  ? trace_contention_end (./include/trace/events/lock.h:121 (discriminator 22))
[   81.754640][ T1677]  ? __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)
[   81.754642][ T1677]  ? __mutex_lock (kernel/locking/mutex.c:656 (discriminator 1) kernel/locking/mutex.c:821 (discriminator 1))
[   81.754644][ T1677]  ? rtnl_newlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:366 net/core/rtnetlink.c:4214)
[   81.754647][ T1677]  ? ww_mutex_lock (kernel/locking/mutex.c:934)
[   81.754648][ T1677]  ? nla_get_range_signed (lib/nlattr.c:270)
[   81.754653][ T1677]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   81.754655][ T1677]  ? __rtnl_newlink (net/core/rtnetlink.c:4063)
[   81.754660][ T1677]  rtnl_newlink (net/core/rtnetlink.c:4215)
[   81.754666][ T1677]  ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558)
[   81.754668][ T1677]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   81.754672][ T1677]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2))
[   81.754674][ T1677]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[   81.754676][ T1677]  ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558)
[   81.754678][ T1677]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554)
[   81.754681][ T1677]  ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558)
[   81.754683][ T1677]  rtnetlink_rcv_msg (net/core/rtnetlink.c:7132)
[   81.754686][ T1677]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   81.754688][ T1677]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   81.754692][ T1677]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2))
[   81.754694][ T1677]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[   81.754697][ T1677]  netlink_rcv_skb (net/netlink/af_netlink.c:2556)
[   81.754700][ T1677]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   81.754703][ T1677]  ? netlink_ack (./include/linux/skbuff.h:2718)
[   81.754709][ T1677]  ? 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))
[   81.754711][ T1677]  ? 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))
[   81.754716][ T1677]  netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[   81.754720][ T1677]  ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[   81.754722][ T1677]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[   81.754726][ T1677]  netlink_sendmsg (net/netlink/af_netlink.c:1900)
[   81.754730][ T1677]  ? netlink_unicast (./include/net/net_namespace.h:422 (discriminator 7))
[   81.754734][ T1677]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554)
[   81.754736][ T1677]  ? __import_iovec (lib/iov_iter.c:1358 lib/iov_iter.c:1373)
[   81.754741][ T1677]  __sock_sendmsg (net/socket.c:800 (discriminator 4) net/socket.c:815 (discriminator 4))
[   81.754744][ T1677]  ____sys_sendmsg (net/socket.c:2713)
[   81.754746][ T1677]  ? copy_msghdr_from_user (net/socket.c:2650)
[   81.754748][ T1677]  ? sock_write_iter (net/socket.c:1269)
[   81.754750][ T1677]  ? move_addr_to_kernel (net/socket.c:258)
[   81.754757][ T1677]  ___sys_sendmsg (net/socket.c:2767)
[   81.754760][ T1677]  ? copy_msghdr_from_user (net/socket.c:2619)
[   81.754776][ T1677]  __sys_sendmsg (net/socket.c:2799)
[   81.754778][ T1677]  ? __sys_sendmsg_sock (net/socket.c:2780)
[   81.754784][ T1677]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   81.754787][ T1677]  do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84)
[   81.754791][ T1677]  ? exc_page_fault (arch/x86/mm/fault.c:1489 (discriminator 3) arch/x86/mm/fault.c:1536 (discriminator 3))
[   81.754794][ T1677]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[   81.754796][ T1677] RIP: 0033:0x7fef4625b54e
[   81.754800][ T1677] 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
[   81.754802][ T1677] RSP: 002b:00007fff87bdcdb0 EFLAGS: 00000202 ORIG_RAX: 000000000000002e
[   81.754805][ T1677] RAX: ffffffffffffffda RBX: 0000000000000006 RCX: 00007fef4625b54e
[   81.754806][ T1677] RDX: 0000000000000000 RSI: 00007fff87bdce60 RDI: 0000000000000005
[   81.754807][ T1677] RBP: 00007fff87bdcdc0 R08: 0000000000000000 R09: 0000000000000000
[   81.754808][ T1677] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a91595a
[   81.754809][ T1677] R13: 00000000004a1620 R14: 0000000000000000 R15: 00007fff87bdd530
| [   88.971363][ T1812] softirqs last disabled at (14670): netif_change_name (./include/linux/spinlock.h:353 ./include/linux/seqlock.h:908 net/core/dev.c:1499)
| [   88.971365][ T1812] Preemption disabled at:
| [   88.971366][ T1812] vprintk_emit (kernel/printk/printk.c:2471)
| [   88.971375][ T1812] Tainted: [W]=WARN
[   88.971376][ T1812] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   88.971377][ T1812] Call Trace:
[   88.971379][ T1812]  <TASK>
[   88.971381][ T1812]  dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120)
[   88.971387][ T1812]  ? vprintk_emit (kernel/printk/printk.c:2471)
[   88.971388][ T1812]  __might_resched.cold (kernel/sched/core.c:9234)
[   88.971393][ T1812]  ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3))
[   88.971398][ T1812]  ? __kmalloc_noprof (./include/linux/sched/mm.h:317 mm/slub.c:4636 mm/slub.c:4974 mm/slub.c:5413 mm/slub.c:5439)
[   88.971402][ T1812]  __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))
[   88.971404][ T1812]  ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[   88.971411][ T1812]  ? 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)
[   88.971413][ T1812]  alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[   88.971417][ T1812]  put_chars (drivers/char/virtio_console.c:1176)
[   88.971420][ T1812]  ? __send_to_port (drivers/char/virtio_console.c:654)
[   88.971426][ T1812]  hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2))
[   88.971434][ T1812]  ? hvc_write (drivers/tty/hvc/hvc_console.c:501)
[   88.971437][ T1812]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   88.971442][ T1812]  console_emit_next_record (kernel/printk/printk.c:3183)
[   88.971446][ T1812]  ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20)
[   88.971448][ T1812]  ? 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))
[   88.971451][ T1812]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   88.971454][ T1812]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   88.971458][ T1812]  console_flush_one_record (kernel/printk/printk.c:3268)
[   88.971462][ T1812]  ? console_emit_next_record (kernel/printk/printk.c:3150)
[   88.971464][ T1812]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   88.971469][ T1812]  console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420)
[   88.971472][ T1812]  ? console_flush_one_record (kernel/printk/printk.c:3316)
[   88.971474][ T1812]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   88.971476][ T1812]  ? 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)
[   88.971480][ T1812]  ? __down_trylock_console_sem (kernel/printk/printk.c:334)
[   88.971481][ T1812]  ? vprintk_emit (kernel/printk/printk.c:2478)
[   88.971484][ T1812]  vprintk_emit (kernel/printk/printk.c:2479)
[   88.971487][ T1812]  ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126))
[   88.971490][ T1812]  ? _mutex_trylock_nest_lock (kernel/locking/mutex.c:1227 (discriminator 6))
[   88.971495][ T1812]  _printk (kernel/printk/printk.c:2504)
[   88.971499][ T1812]  ? snapshot_read.cold (user.c:?)
[   88.971500][ T1812]  ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4116 (discriminator 3) kernel/rcu/tree.c:4108 (discriminator 3))
[   88.971503][ T1812]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380)
[   88.971506][ T1812]  ? validate_chain (kernel/locking/lockdep.c:3817 (discriminator 2) kernel/locking/lockdep.c:3837 (discriminator 2) kernel/locking/lockdep.c:3892 (discriminator 2))
[   88.971508][ T1812]  ? netdev_name (./include/linux/netdevice.h:5709 (discriminator 1))
[   88.971512][ T1812]  ? __netdev_printk (net/core/dev.c:13148 (discriminator 2))
[   88.971514][ T1812]  ? do_setlink.isra.0 (net/core/rtnetlink.c:3246)
[   88.971517][ T1812]  netdev_info (net/core/dev.c:13195 (discriminator 3))
[   88.971519][ T1812]  ? netdev_notice (net/core/dev.c:13194)
[   88.971522][ T1812]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[   88.971525][ T1812]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554)
[   88.971528][ T1812]  ? mark_held_locks (kernel/locking/lockdep.c:4341)
[   88.971531][ T1812]  ? do_setlink.isra.0 (net/core/rtnetlink.c:3246)
[   88.971533][ T1812]  netif_change_name.cold (net/core/dev.c:1507 (discriminator 3))
[   88.971535][ T1812]  ? register_netdev (net/core/dev.c:11618)
[   88.971537][ T1812]  ? 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))
[   88.971542][ T1812]  ? netdev_adjacent_rename_links (net/core/dev.c:9598)
[   88.971545][ T1812]  ? __kernel_text_address (kernel/extable.c:79)
[   88.971547][ T1812]  ? write_profile (profile.c:?)
[   88.971551][ T1812]  ? __asan_memset (mm/kasan/shadow.c:84 (discriminator 1))
[   88.971557][ T1812]  do_setlink.isra.0 (net/core/rtnetlink.c:3246)
[   88.971560][ T1812]  ? stack_trace_save (kernel/stacktrace.c:122 (discriminator 1))
[   88.971563][ T1812]  ? rtnl_link_get_size (net/core/rtnetlink.c:747)
[   88.971564][ T1812]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:388 kernel/rcu/update.c:380)
[   88.971566][ T1812]  ? stack_depot_save_flags (lib/stackdepot.c:609 (discriminator 2) lib/stackdepot.c:676 (discriminator 2))
[   88.971569][ T1812]  ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4116 (discriminator 3) kernel/rcu/tree.c:4108 (discriminator 3))
[   88.971571][ T1812]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380)
[   88.971573][ T1812]  ? validate_chain (kernel/locking/lockdep.c:3817 (discriminator 2) kernel/locking/lockdep.c:3837 (discriminator 2) kernel/locking/lockdep.c:3892 (discriminator 2))
[   88.971575][ T1812]  ? kasan_save_stack (mm/kasan/common.c:58)
[   88.971577][ T1812]  ? kasan_save_stack (mm/kasan/common.c:57)
[   88.971578][ T1812]  ? kasan_save_track (mm/kasan/common.c:78)
[   88.971579][ T1812]  ? __kasan_kmalloc (mm/kasan/common.c:398 mm/kasan/common.c:415)
[   88.971582][ T1812]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   88.971584][ T1812]  ? snd_ac97_proc_read_main (sound/pci/ac97/ac97_proc.c:320)
[   88.971587][ T1812]  ? ___sys_sendmsg (net/socket.c:2758)
[   88.971590][ T1812]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2))
[   88.971593][ T1812]  ? rtnl_newlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:366 net/core/rtnetlink.c:4214)
[   88.971595][ T1812]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   88.971597][ T1812]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   88.971598][ T1812]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   88.971599][ T1812]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   88.971601][ T1812]  ? trace_contention_end (./include/trace/events/lock.h:121 (discriminator 22))
[   88.971603][ T1812]  ? __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)
[   88.971604][ T1812]  ? __mutex_lock (kernel/locking/mutex.c:656 (discriminator 1) kernel/locking/mutex.c:821 (discriminator 1))
[   88.971606][ T1812]  ? rtnl_newlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:366 net/core/rtnetlink.c:4214)
[   88.971610][ T1812]  ? ww_mutex_lock (kernel/locking/mutex.c:934)
[   88.971611][ T1812]  ? nla_get_range_signed (lib/nlattr.c:270)
[   88.971616][ T1812]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   88.971618][ T1812]  ? __rtnl_newlink (net/core/rtnetlink.c:4063)
[   88.971623][ T1812]  rtnl_newlink (net/core/rtnetlink.c:4215)
[   88.971629][ T1812]  ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558)
[   88.971631][ T1812]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   88.971635][ T1812]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2))
[   88.971637][ T1812]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[   88.971639][ T1812]  ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558)
[   88.971641][ T1812]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554)
[   88.971645][ T1812]  ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558)
[   88.971647][ T1812]  rtnetlink_rcv_msg (net/core/rtnetlink.c:7132)
[   88.971650][ T1812]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   88.971651][ T1812]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   88.971656][ T1812]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2))
[   88.971658][ T1812]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[   88.971662][ T1812]  netlink_rcv_skb (net/netlink/af_netlink.c:2556)
[   88.971665][ T1812]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   88.971668][ T1812]  ? netlink_ack (./include/linux/skbuff.h:2718)
[   88.971674][ T1812]  ? 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))
[   88.971676][ T1812]  ? 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))
[   88.971681][ T1812]  netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[   88.971685][ T1812]  ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[   88.971687][ T1812]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[   88.971692][ T1812]  netlink_sendmsg (net/netlink/af_netlink.c:1900)
[   88.971696][ T1812]  ? netlink_unicast (./include/net/net_namespace.h:422 (discriminator 7))
[   88.971700][ T1812]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554)
[   88.971701][ T1812]  ? __import_iovec (lib/iov_iter.c:1358 lib/iov_iter.c:1373)
[   88.971707][ T1812]  __sock_sendmsg (net/socket.c:800 (discriminator 4) net/socket.c:815 (discriminator 4))
[   88.971709][ T1812]  ____sys_sendmsg (net/socket.c:2713)
[   88.971712][ T1812]  ? copy_msghdr_from_user (net/socket.c:2650)
[   88.971714][ T1812]  ? sock_write_iter (net/socket.c:1269)
[   88.971715][ T1812]  ? move_addr_to_kernel (net/socket.c:258)
[   88.971723][ T1812]  ___sys_sendmsg (net/socket.c:2767)
[   88.971726][ T1812]  ? copy_msghdr_from_user (net/socket.c:2619)
[   88.971742][ T1812]  __sys_sendmsg (net/socket.c:2799)
[   88.971745][ T1812]  ? __sys_sendmsg_sock (net/socket.c:2780)
[   88.971751][ T1812]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   88.971754][ T1812]  do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84)
[   88.971757][ T1812]  ? exc_page_fault (arch/x86/mm/fault.c:1489 (discriminator 3) arch/x86/mm/fault.c:1536 (discriminator 3))
[   88.971761][ T1812]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[   88.971763][ T1812] RIP: 0033:0x7fa0f8a1254e
[   88.971767][ T1812] 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
[   88.971768][ T1812] RSP: 002b:00007ffd8f49b8d0 EFLAGS: 00000202 ORIG_RAX: 000000000000002e
[   88.971771][ T1812] RAX: ffffffffffffffda RBX: 0000000000000006 RCX: 00007fa0f8a1254e
[   88.971773][ T1812] RDX: 0000000000000000 RSI: 00007ffd8f49b980 RDI: 0000000000000005
[   88.971774][ T1812] RBP: 00007ffd8f49b8e0 R08: 0000000000000000 R09: 0000000000000000
[   88.971774][ T1812] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a915961
[   88.971775][ T1812] R13: 00000000004a1620 R14: 0000000000000000 R15: 00007ffd8f49c050
| [   92.673198][   T69] softirqs last disabled at (1637539): __irq_exit_rcu (kernel/softirq.c:679 kernel/softirq.c:519 kernel/softirq.c:767)
| [   92.673201][   T69] Preemption disabled at:
| [   92.673201][   T69] vprintk_emit (kernel/printk/printk.c:2471)
| [   92.673210][   T69] Tainted: [W]=WARN
[   92.673211][   T69] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   92.673213][   T69] Workqueue: netns cleanup_net
[   92.673217][   T69] Call Trace:
[   92.673218][   T69]  <TASK>
[   92.673220][   T69]  dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120)
[   92.673226][   T69]  ? vprintk_emit (kernel/printk/printk.c:2471)
[   92.673228][   T69]  __might_resched.cold (kernel/sched/core.c:9234)
[   92.673232][   T69]  ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3))
[   92.673236][   T69]  ? __kmalloc_noprof (./include/linux/sched/mm.h:317 mm/slub.c:4636 mm/slub.c:4974 mm/slub.c:5413 mm/slub.c:5439)
[   92.673241][   T69]  __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))
[   92.673243][   T69]  ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[   92.673249][   T69]  ? 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)
[   92.673252][   T69]  alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[   92.673256][   T69]  put_chars (drivers/char/virtio_console.c:1176)
[   92.673259][   T69]  ? __send_to_port (drivers/char/virtio_console.c:654)
[   92.673260][   T69]  ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4116 (discriminator 3) kernel/rcu/tree.c:4108 (discriminator 3))
[   92.673264][   T69]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380)
[   92.673266][   T69]  ? validate_chain (kernel/locking/lockdep.c:3817 (discriminator 2) kernel/locking/lockdep.c:3837 (discriminator 2) kernel/locking/lockdep.c:3892 (discriminator 2))
[   92.673271][   T69]  hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2))
[   92.673275][   T69]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   92.673280][   T69]  ? hvc_write (drivers/tty/hvc/hvc_console.c:501)
[   92.673284][   T69]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   92.673288][   T69]  console_emit_next_record (kernel/printk/printk.c:3183)
[   92.673293][   T69]  ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20)
[   92.673295][   T69]  ? 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))
[   92.673298][   T69]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   92.673300][   T69]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   92.673304][   T69]  console_flush_one_record (kernel/printk/printk.c:3268)
[   92.673308][   T69]  ? console_emit_next_record (kernel/printk/printk.c:3150)
[   92.673310][   T69]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   92.673315][   T69]  console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420)
[   92.673318][   T69]  ? console_flush_one_record (kernel/printk/printk.c:3316)
[   92.673320][   T69]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   92.673322][   T69]  ? 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)
[   92.673326][   T69]  ? __down_trylock_console_sem (kernel/printk/printk.c:334)
[   92.673328][   T69]  ? vprintk_emit (kernel/printk/printk.c:2478)
[   92.673330][   T69]  vprintk_emit (kernel/printk/printk.c:2479)
[   92.673334][   T69]  ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126))
[   92.673335][   T69]  ? cleanup_net (net/core/net_namespace.c:706)
[   92.673337][   T69]  ? worker_thread (kernel/workqueue.c:3470 kernel/workqueue.c:3551)
[   92.673338][   T69]  ? kthread (kernel/kthread.c:436)
[   92.673341][   T69]  ? ret_from_fork (arch/x86/kernel/process.c:158)
[   92.673344][   T69]  ? ret_from_fork_asm (arch/x86/entry/entry_64.S:245)
[   92.673348][   T69]  _printk (kernel/printk/printk.c:2504)
[   92.673352][   T69]  ? snapshot_read.cold (user.c:?)
[   92.673356][   T69]  ? netdev_name (./include/linux/netdevice.h:5709 (discriminator 1))
[   92.673360][   T69]  ? __netdev_printk (net/core/dev.c:13148 (discriminator 2))
[   92.673364][   T69]  netdev_info (net/core/dev.c:13195 (discriminator 3))
[   92.673367][   T69]  ? netdev_notice (net/core/dev.c:13194)
[   92.673372][   T69]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   92.673373][   T69]  ? __up_read (kernel/locking/rwsem.c:1397 (discriminator 1))
[   92.673376][   T69]  ? down_write_nested (kernel/locking/rwsem.c:1759)
[   92.673378][   T69]  ? mutex_is_locked (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:3188 kernel/locking/mutex.h:48 kernel/locking/mutex.c:65)
[   92.673380][   T69]  netif_set_allmulti.cold (net/core/dev.c:9731 (discriminator 3))
[   92.673384][   T69]  dev_set_allmulti (net/core/dev_api.c:315)
[   92.673388][   T69]  del_nbp (net/bridge/br_if.c:253 net/bridge/br_if.c:341)
[   92.673392][   T69]  ? unregister_netdevice_many (net/core/dev.c:12589)
[   92.673393][   T69]  ? net_generic (./include/linux/rcupdate.h:319 (discriminator 2) ./include/linux/rcupdate.h:880 (discriminator 2) ./include/net/netns/generic.h:48 (discriminator 2))
[   92.673399][   T69]  br_dev_delete (net/bridge/br_if.c:387)
[   92.673403][   T69]  br_net_exit_rtnl (net/bridge/br.c:414)
[   92.673406][   T69]  ops_undo_list (net/core/net_namespace.c:181 net/core/net_namespace.c:249)
[   92.673410][   T69]  ? lockdep_hardirqs_on (kernel/locking/lockdep.c:4488)
[   92.673413][   T69]  ? netns_install (./include/linux/ns_common.h:26)
[   92.673415][   T69]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554)
[   92.673418][   T69]  ? idr_destroy (lib/radix-tree.c:310 lib/radix-tree.c:674 lib/radix-tree.c:1563)
[   92.673423][   T69]  cleanup_net (net/core/net_namespace.c:706)
[   92.673426][   T69]  ? net_passive_dec (./include/linux/llist.h:241)
[   92.673430][   T69]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   92.673432][   T69]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   92.673435][   T69]  process_one_work (kernel/workqueue.c:3387)
[   92.673442][   T69]  ? __queue_delayed_work (kernel/workqueue.c:2622)
[   92.673445][   T69]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2))
[   92.673453][   T69]  worker_thread (kernel/workqueue.c:3470 kernel/workqueue.c:3551)
[   92.673457][   T69]  ? rescuer_thread (./include/linux/list.h:419 (discriminator 3))
[   92.673459][   T69]  ? __kthread_parkme (./include/linux/instrumented.h:82 ./include/asm-generic/bitops/instrumented-non-atomic.h:141 kernel/kthread.c:272)
[   92.673462][   T69]  ? rescuer_thread (./include/linux/list.h:419 (discriminator 3))
[   92.673465][   T69]  ? rescuer_thread (./include/linux/list.h:419 (discriminator 3))
[   92.673467][   T69]  kthread (kernel/kthread.c:436)
[   92.673469][   T69]  ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22))
[   92.673472][   T69]  ? kthread_affine_preferred (kernel/kthread.c:857)
[   92.673475][   T69]  ret_from_fork (arch/x86/kernel/process.c:158)
[   92.673478][   T69]  ? arch_exit_to_user_mode_prepare.isra.0 (arch/x86/entry/vdso/vma.c:80 (discriminator 1))
[   92.673481][   T69]  ? __switch_to (arch/x86/kernel/process_64.c:403 arch/x86/kernel/process_64.c:663)
[   92.673485][   T69]  ? kthread_affine_preferred (kernel/kthread.c:857)
[   92.673488][   T69]  ret_from_fork_asm (arch/x86/entry/entry_64.S:245)
| [   94.984625][ T1958] softirqs last disabled at (20066): netif_change_name (./include/linux/spinlock.h:353 ./include/linux/seqlock.h:908 net/core/dev.c:1499)
| [   94.984627][ T1958] Preemption disabled at:
| [   94.984628][ T1958] vprintk_emit (kernel/printk/printk.c:2471)
| [   94.984638][ T1958] Tainted: [W]=WARN
[   94.984639][ T1958] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   94.984640][ T1958] Call Trace:
[   94.984642][ T1958]  <TASK>
[   94.984644][ T1958]  dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120)
[   94.984650][ T1958]  ? vprintk_emit (kernel/printk/printk.c:2471)
[   94.984652][ T1958]  __might_resched.cold (kernel/sched/core.c:9234)
[   94.984656][ T1958]  ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3))
[   94.984661][ T1958]  ? __kmalloc_noprof (./include/linux/sched/mm.h:317 mm/slub.c:4636 mm/slub.c:4974 mm/slub.c:5413 mm/slub.c:5439)
[   94.984665][ T1958]  __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))
[   94.984667][ T1958]  ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[   94.984674][ T1958]  ? 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)
[   94.984677][ T1958]  alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[   94.984681][ T1958]  put_chars (drivers/char/virtio_console.c:1176)
[   94.984683][ T1958]  ? __send_to_port (drivers/char/virtio_console.c:654)
[   94.984690][ T1958]  hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2))
[   94.984697][ T1958]  ? hvc_write (drivers/tty/hvc/hvc_console.c:501)
[   94.984701][ T1958]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   94.984705][ T1958]  console_emit_next_record (kernel/printk/printk.c:3183)
[   94.984710][ T1958]  ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20)
[   94.984712][ T1958]  ? 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))
[   94.984715][ T1958]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   94.984718][ T1958]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   94.984722][ T1958]  console_flush_one_record (kernel/printk/printk.c:3268)
[   94.984726][ T1958]  ? console_emit_next_record (kernel/printk/printk.c:3150)
[   94.984728][ T1958]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   94.984733][ T1958]  console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420)
[   94.984736][ T1958]  ? console_flush_one_record (kernel/printk/printk.c:3316)
[   94.984738][ T1958]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   94.984740][ T1958]  ? 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)
[   94.984744][ T1958]  ? __down_trylock_console_sem (kernel/printk/printk.c:334)
[   94.984746][ T1958]  ? vprintk_emit (kernel/printk/printk.c:2478)
[   94.984748][ T1958]  vprintk_emit (kernel/printk/printk.c:2479)
[   94.984752][ T1958]  ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126))
[   94.984754][ T1958]  ? _mutex_trylock_nest_lock (kernel/locking/mutex.c:1227 (discriminator 6))
[   94.984759][ T1958]  _printk (kernel/printk/printk.c:2504)
[   94.984763][ T1958]  ? snapshot_read.cold (user.c:?)
[   94.984765][ T1958]  ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4116 (discriminator 3) kernel/rcu/tree.c:4108 (discriminator 3))
[   94.984767][ T1958]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380)
[   94.984770][ T1958]  ? validate_chain (kernel/locking/lockdep.c:3817 (discriminator 2) kernel/locking/lockdep.c:3837 (discriminator 2) kernel/locking/lockdep.c:3892 (discriminator 2))
[   94.984772][ T1958]  ? netdev_name (./include/linux/netdevice.h:5709 (discriminator 1))
[   94.984776][ T1958]  ? __netdev_printk (net/core/dev.c:13148 (discriminator 2))
[   94.984779][ T1958]  ? do_setlink.isra.0 (net/core/rtnetlink.c:3246)
[   94.984781][ T1958]  netdev_info (net/core/dev.c:13195 (discriminator 3))
[   94.984784][ T1958]  ? netdev_notice (net/core/dev.c:13194)
[   94.984787][ T1958]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[   94.984790][ T1958]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554)
[   94.984793][ T1958]  ? mark_held_locks (kernel/locking/lockdep.c:4341)
[   94.984796][ T1958]  ? do_setlink.isra.0 (net/core/rtnetlink.c:3246)
[   94.984799][ T1958]  netif_change_name.cold (net/core/dev.c:1507 (discriminator 3))
[   94.984801][ T1958]  ? register_netdev (net/core/dev.c:11618)
[   94.984802][ T1958]  ? 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))
[   94.984807][ T1958]  ? netdev_adjacent_rename_links (net/core/dev.c:9598)
[   94.984810][ T1958]  ? __kernel_text_address (kernel/extable.c:79)
[   94.984813][ T1958]  ? write_profile (profile.c:?)
[   94.984817][ T1958]  ? __asan_memset (mm/kasan/shadow.c:84 (discriminator 1))
[   94.984823][ T1958]  do_setlink.isra.0 (net/core/rtnetlink.c:3246)
[   94.984826][ T1958]  ? stack_trace_save (kernel/stacktrace.c:122 (discriminator 1))
[   94.984828][ T1958]  ? rtnl_link_get_size (net/core/rtnetlink.c:747)
[   94.984830][ T1958]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:388 kernel/rcu/update.c:380)
[   94.984832][ T1958]  ? stack_depot_save_flags (lib/stackdepot.c:609 (discriminator 2) lib/stackdepot.c:676 (discriminator 2))
[   94.984835][ T1958]  ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4116 (discriminator 3) kernel/rcu/tree.c:4108 (discriminator 3))
[   94.984837][ T1958]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380)
[   94.984839][ T1958]  ? validate_chain (kernel/locking/lockdep.c:3817 (discriminator 2) kernel/locking/lockdep.c:3837 (discriminator 2) kernel/locking/lockdep.c:3892 (discriminator 2))
[   94.984842][ T1958]  ? kasan_save_stack (mm/kasan/common.c:58)
[   94.984847][ T1958]  ? kasan_save_stack (mm/kasan/common.c:57)
[   94.984848][ T1958]  ? kasan_save_track (mm/kasan/common.c:78)
[   94.984849][ T1958]  ? __kasan_kmalloc (mm/kasan/common.c:398 mm/kasan/common.c:415)
[   94.984852][ T1958]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   94.984854][ T1958]  ? snd_ac97_proc_read_main (sound/pci/ac97/ac97_proc.c:320)
[   94.984857][ T1958]  ? ___sys_sendmsg (net/socket.c:2758)
[   94.984861][ T1958]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2))
[   94.984863][ T1958]  ? rtnl_newlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:366 net/core/rtnetlink.c:4214)
[   94.984866][ T1958]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   94.984868][ T1958]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   94.984869][ T1958]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   94.984870][ T1958]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   94.984872][ T1958]  ? trace_contention_end (./include/trace/events/lock.h:121 (discriminator 22))
[   94.984874][ T1958]  ? __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)
[   94.984876][ T1958]  ? __mutex_lock (kernel/locking/mutex.c:656 (discriminator 1) kernel/locking/mutex.c:821 (discriminator 1))
[   94.984877][ T1958]  ? rtnl_newlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:366 net/core/rtnetlink.c:4214)
[   94.984881][ T1958]  ? ww_mutex_lock (kernel/locking/mutex.c:934)
[   94.984882][ T1958]  ? nla_get_range_signed (lib/nlattr.c:270)
[   94.984887][ T1958]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   94.984889][ T1958]  ? __rtnl_newlink (net/core/rtnetlink.c:4063)
[   94.984895][ T1958]  rtnl_newlink (net/core/rtnetlink.c:4215)
[   94.984900][ T1958]  ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558)
[   94.984902][ T1958]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   94.984906][ T1958]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2))
[   94.984908][ T1958]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[   94.984910][ T1958]  ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558)
[   94.984912][ T1958]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554)
[   94.984916][ T1958]  ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558)
[   94.984918][ T1958]  rtnetlink_rcv_msg (net/core/rtnetlink.c:7132)
[   94.984921][ T1958]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   94.984923][ T1958]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   94.984927][ T1958]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2))
[   94.984929][ T1958]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[   94.984933][ T1958]  netlink_rcv_skb (net/netlink/af_netlink.c:2556)
[   94.984936][ T1958]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   94.984939][ T1958]  ? netlink_ack (./include/linux/skbuff.h:2718)
[   94.984946][ T1958]  ? 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))
[   94.984948][ T1958]  ? 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))
[   94.984952][ T1958]  netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[   94.984956][ T1958]  ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[   94.984959][ T1958]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[   94.984963][ T1958]  netlink_sendmsg (net/netlink/af_netlink.c:1900)
[   94.984967][ T1958]  ? netlink_unicast (./include/net/net_namespace.h:422 (discriminator 7))
[   94.984971][ T1958]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554)
[   94.984973][ T1958]  ? __import_iovec (lib/iov_iter.c:1358 lib/iov_iter.c:1373)
[   94.984978][ T1958]  __sock_sendmsg (net/socket.c:800 (discriminator 4) net/socket.c:815 (discriminator 4))
[   94.984981][ T1958]  ____sys_sendmsg (net/socket.c:2713)
[   94.984983][ T1958]  ? copy_msghdr_from_user (net/socket.c:2650)
[   94.984986][ T1958]  ? sock_write_iter (net/socket.c:1269)
[   94.984987][ T1958]  ? move_addr_to_kernel (net/socket.c:258)
[   94.984995][ T1958]  ___sys_sendmsg (net/socket.c:2767)
[   94.984998][ T1958]  ? copy_msghdr_from_user (net/socket.c:2619)
[   94.985014][ T1958]  __sys_sendmsg (net/socket.c:2799)
[   94.985017][ T1958]  ? __sys_sendmsg_sock (net/socket.c:2780)
[   94.985023][ T1958]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   94.985026][ T1958]  do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84)
[   94.985029][ T1958]  ? exc_page_fault (arch/x86/mm/fault.c:1489 (discriminator 3) arch/x86/mm/fault.c:1536 (discriminator 3))
[   94.985032][ T1958]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[   94.985035][ T1958] RIP: 0033:0x7f57a056454e
[   94.985039][ T1958] 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
[   94.985041][ T1958] RSP: 002b:00007fffe43c2c00 EFLAGS: 00000202 ORIG_RAX: 000000000000002e
[   94.985044][ T1958] RAX: ffffffffffffffda RBX: 0000000000000006 RCX: 00007f57a056454e
[   94.985046][ T1958] RDX: 0000000000000000 RSI: 00007fffe43c2cb0 RDI: 0000000000000005
[   94.985047][ T1958] RBP: 00007fffe43c2c10 R08: 0000000000000000 R09: 0000000000000000
[   94.985048][ T1958] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a915967
[   94.985048][ T1958] R13: 00000000004a1620 R14: 0000000000000000 R15: 00007fffe43c3380
| [   98.624020][   T69] softirqs last disabled at (1819017): __irq_exit_rcu (kernel/softirq.c:679 kernel/softirq.c:519 kernel/softirq.c:767)
| [   98.624022][   T69] Preemption disabled at:
| [   98.624023][   T69] vprintk_emit (kernel/printk/printk.c:2471)
| [   98.624032][   T69] Tainted: [W]=WARN
[   98.624033][   T69] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   98.624035][   T69] Workqueue: netns cleanup_net
[   98.624038][   T69] Call Trace:
[   98.624040][   T69]  <TASK>
[   98.624042][   T69]  dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120)
[   98.624048][   T69]  ? vprintk_emit (kernel/printk/printk.c:2471)
[   98.624050][   T69]  __might_resched.cold (kernel/sched/core.c:9234)
[   98.624054][   T69]  ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3))
[   98.624058][   T69]  ? __kmalloc_noprof (./include/linux/sched/mm.h:317 mm/slub.c:4636 mm/slub.c:4974 mm/slub.c:5413 mm/slub.c:5439)
[   98.624063][   T69]  __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))
[   98.624065][   T69]  ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[   98.624071][   T69]  ? 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)
[   98.624074][   T69]  alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[   98.624078][   T69]  put_chars (drivers/char/virtio_console.c:1176)
[   98.624081][   T69]  ? __send_to_port (drivers/char/virtio_console.c:654)
[   98.624082][   T69]  ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4116 (discriminator 3) kernel/rcu/tree.c:4108 (discriminator 3))
[   98.624086][   T69]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380)
[   98.624089][   T69]  ? validate_chain (kernel/locking/lockdep.c:3817 (discriminator 2) kernel/locking/lockdep.c:3837 (discriminator 2) kernel/locking/lockdep.c:3892 (discriminator 2))
[   98.624093][   T69]  hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2))
[   98.624097][   T69]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   98.624103][   T69]  ? hvc_write (drivers/tty/hvc/hvc_console.c:501)
[   98.624106][   T69]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   98.624110][   T69]  console_emit_next_record (kernel/printk/printk.c:3183)
[   98.624115][   T69]  ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20)
[   98.624116][   T69]  ? 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))
[   98.624120][   T69]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   98.624122][   T69]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   98.624126][   T69]  console_flush_one_record (kernel/printk/printk.c:3268)
[   98.624130][   T69]  ? console_emit_next_record (kernel/printk/printk.c:3150)
[   98.624132][   T69]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   98.624138][   T69]  console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420)
[   98.624140][   T69]  ? console_flush_one_record (kernel/printk/printk.c:3316)
[   98.624142][   T69]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   98.624144][   T69]  ? 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)
[   98.624148][   T69]  ? __down_trylock_console_sem (kernel/printk/printk.c:334)
[   98.624150][   T69]  ? vprintk_emit (kernel/printk/printk.c:2478)
[   98.624153][   T69]  vprintk_emit (kernel/printk/printk.c:2479)
[   98.624156][   T69]  ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126))
[   98.624157][   T69]  ? cleanup_net (net/core/net_namespace.c:706)
[   98.624159][   T69]  ? worker_thread (kernel/workqueue.c:3470 kernel/workqueue.c:3551)
[   98.624161][   T69]  ? kthread (kernel/kthread.c:436)
[   98.624168][   T69]  ? ret_from_fork (arch/x86/kernel/process.c:158)
[   98.624172][   T69]  ? ret_from_fork_asm (arch/x86/entry/entry_64.S:245)
[   98.624176][   T69]  _printk (kernel/printk/printk.c:2504)
[   98.624180][   T69]  ? snapshot_read.cold (user.c:?)
[   98.624184][   T69]  ? netdev_name (./include/linux/netdevice.h:5709 (discriminator 1))
[   98.624188][   T69]  ? __netdev_printk (net/core/dev.c:13148 (discriminator 2))
[   98.624192][   T69]  netdev_info (net/core/dev.c:13195 (discriminator 3))
[   98.624195][   T69]  ? netdev_notice (net/core/dev.c:13194)
[   98.624199][   T69]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   98.624201][   T69]  ? __up_read (kernel/locking/rwsem.c:1397 (discriminator 1))
[   98.624204][   T69]  ? down_write_nested (kernel/locking/rwsem.c:1759)
[   98.624206][   T69]  ? mutex_is_locked (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:3188 kernel/locking/mutex.h:48 kernel/locking/mutex.c:65)
[   98.624208][   T69]  netif_set_allmulti.cold (net/core/dev.c:9731 (discriminator 3))
[   98.624212][   T69]  dev_set_allmulti (net/core/dev_api.c:315)
[   98.624216][   T69]  del_nbp (net/bridge/br_if.c:253 net/bridge/br_if.c:341)
[   98.624219][   T69]  ? unregister_netdevice_many (net/core/dev.c:12589)
[   98.624221][   T69]  ? net_generic (./include/linux/rcupdate.h:319 (discriminator 2) ./include/linux/rcupdate.h:880 (discriminator 2) ./include/net/netns/generic.h:48 (discriminator 2))
[   98.624226][   T69]  br_dev_delete (net/bridge/br_if.c:387)
[   98.624230][   T69]  br_net_exit_rtnl (net/bridge/br.c:414)
[   98.624233][   T69]  ops_undo_list (net/core/net_namespace.c:181 net/core/net_namespace.c:249)
[   98.624237][   T69]  ? lockdep_hardirqs_on (kernel/locking/lockdep.c:4488)
[   98.624241][   T69]  ? netns_install (./include/linux/ns_common.h:26)
[   98.624242][   T69]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554)
[   98.624245][   T69]  ? idr_destroy (lib/radix-tree.c:310 lib/radix-tree.c:674 lib/radix-tree.c:1563)
[   98.624250][   T69]  cleanup_net (net/core/net_namespace.c:706)
[   98.624253][   T69]  ? net_passive_dec (./include/linux/llist.h:241)
[   98.624257][   T69]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   98.624259][   T69]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   98.624262][   T69]  process_one_work (kernel/workqueue.c:3387)
[   98.624269][   T69]  ? __queue_delayed_work (kernel/workqueue.c:2622)
[   98.624272][   T69]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2))
[   98.624280][   T69]  worker_thread (kernel/workqueue.c:3470 kernel/workqueue.c:3551)
[   98.624284][   T69]  ? rescuer_thread (./include/linux/list.h:419 (discriminator 3))
[   98.624286][   T69]  ? __kthread_parkme (./include/linux/instrumented.h:82 ./include/asm-generic/bitops/instrumented-non-atomic.h:141 kernel/kthread.c:272)
[   98.624289][   T69]  ? rescuer_thread (./include/linux/list.h:419 (discriminator 3))
[   98.624292][   T69]  ? rescuer_thread (./include/linux/list.h:419 (discriminator 3))
[   98.624294][   T69]  kthread (kernel/kthread.c:436)
[   98.624296][   T69]  ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22))
[   98.624299][   T69]  ? kthread_affine_preferred (kernel/kthread.c:857)
[   98.624302][   T69]  ret_from_fork (arch/x86/kernel/process.c:158)
[   98.624305][   T69]  ? arch_exit_to_user_mode_prepare.isra.0 (arch/x86/entry/vdso/vma.c:80 (discriminator 1))
[   98.624308][   T69]  ? __switch_to (arch/x86/kernel/process_64.c:403 arch/x86/kernel/process_64.c:663)
[   98.624312][   T69]  ? kthread_affine_preferred (kernel/kthread.c:857)


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