======================================
| [   10.375278][  T220] softirqs last disabled at (19455): __irq_exit_rcu (kernel/softirq.c:679 kernel/softirq.c:519 kernel/softirq.c:767)
| [   10.375285][  T220] Preemption disabled at:
| [   10.375286][  T220] 0x0
| [   10.375296][  T220] Tainted: [W]=WARN
[   10.375297][  T220] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   10.375299][  T220] Call Trace:
[   10.375301][  T220]  <TASK>
[   10.375302][  T220]  dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120)
[   10.375309][  T220]  __might_resched.cold (kernel/sched/core.c:9234)
[   10.375313][  T220]  ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3))
[   10.375317][  T220]  ? __kmalloc_noprof (./include/linux/sched/mm.h:317 mm/slub.c:4636 mm/slub.c:4974 mm/slub.c:5413 mm/slub.c:5439)
[   10.375322][  T220]  __kmalloc_noprof (./include/linux/sched/mm.h:322 (discriminator 2) mm/slub.c:4636 (discriminator 2) mm/slub.c:4974 (discriminator 2) mm/slub.c:5413 (discriminator 2) mm/slub.c:5439 (discriminator 2))
[   10.375324][  T220]  ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[   10.375331][  T220]  ? do_raw_spin_unlock (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:32 ./include/asm-generic/qspinlock.h:58 kernel/locking/spinlock_debug.c:101 kernel/locking/spinlock_debug.c:141)
[   10.375334][  T220]  alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[   10.375337][  T220]  put_chars (drivers/char/virtio_console.c:1176)
[   10.375340][  T220]  ? __send_to_port (drivers/char/virtio_console.c:654)
[   10.375341][  T220]  ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4116 (discriminator 3) kernel/rcu/tree.c:4108 (discriminator 3))
[   10.375344][  T220]  ? validate_chain (kernel/locking/lockdep.c:3817 (discriminator 2) kernel/locking/lockdep.c:3837 (discriminator 2) kernel/locking/lockdep.c:3892 (discriminator 2))
[   10.375350][  T220]  hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2))
[   10.375357][  T220]  ? hvc_write (drivers/tty/hvc/hvc_console.c:501)
[   10.375360][  T220]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   10.375362][  T220]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   10.375366][  T220]  console_emit_next_record (kernel/printk/printk.c:3183)
[   10.375369][  T220]  ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20)
[   10.375371][  T220]  ? console_flush_one_record (./include/linux/rcupdate.h:314 (discriminator 2) ./include/linux/srcu.h:439 (discriminator 2) kernel/printk/printk.c:291 (discriminator 2) kernel/printk/printk.c:3246 (discriminator 2))
[   10.375375][  T220]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   10.375376][  T220]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   10.375380][  T220]  console_flush_one_record (kernel/printk/printk.c:3268)
[   10.375384][  T220]  ? console_emit_next_record (kernel/printk/printk.c:3150)
[   10.375386][  T220]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   10.375392][  T220]  console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420)
[   10.375394][  T220]  ? console_flush_one_record (kernel/printk/printk.c:3316)
[   10.375396][  T220]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   10.375398][  T220]  ? lock_acquire (./include/linux/srcutree.h:374 ./include/linux/srcu.h:541 ./include/linux/srcu.h:645 ./include/trace/events/lock.h:23 ./include/trace/events/lock.h:23 kernel/locking/lockdep.c:5871)
[   10.375401][  T220]  ? __down_trylock_console_sem (kernel/printk/printk.c:334)
[   10.375403][  T220]  ? vprintk_emit (kernel/printk/printk.c:2478)
[   10.375406][  T220]  vprintk_emit (kernel/printk/printk.c:2479)
[   10.375409][  T220]  ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126))
[   10.375412][  T220]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   10.375416][  T220]  _printk (kernel/printk/printk.c:2504)
[   10.375419][  T220]  ? snapshot_read.cold (user.c:?)
[   10.375422][  T220]  ? do_raw_spin_lock (./include/linux/instrumented.h:55 ./include/linux/atomic/atomic-instrumented.h:1301 ./include/asm-generic/qspinlock.h:112 kernel/locking/spinlock_debug.c:116)
[   10.375424][  T220]  ? __rwlock_init (kernel/locking/spinlock_debug.c:48)
[   10.375428][  T220]  ? do_raw_spin_lock (./include/linux/instrumented.h:55 ./include/linux/atomic/atomic-instrumented.h:1301 ./include/asm-generic/qspinlock.h:112 kernel/locking/spinlock_debug.c:116)
[   10.375431][  T220]  do_exit.cold (kernel/exit.c:889 (discriminator 4) kernel/exit.c:1043 (discriminator 4))
[   10.375435][  T220]  ? exit_notify (kernel/exit.c:780)
[   10.375436][  T220]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554)
[   10.375439][  T220]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   10.375443][  T220]  do_group_exit (kernel/exit.c:1151)
[   10.375445][  T220]  __x64_sys_exit_group (kernel/exit.c:1162 kernel/exit.c:1160 kernel/exit.c:1160)
[   10.375447][  T220]  x64_sys_call (./arch/x86/include/generated/asm/syscalls_64.h:232)
[   10.375450][  T220]  do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84)
[   10.375454][  T220]  ? exc_page_fault (arch/x86/mm/fault.c:1489 (discriminator 3) arch/x86/mm/fault.c:1536 (discriminator 3))
[   10.375457][  T220]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[   10.375459][  T220] RIP: 0033:0x7fa4e07101b8
[   10.375461][  T220] Code: Unable to access opcode bytes at 0x7fa4e071018e.

Code starting with the faulting instruction
===========================================
[   10.375462][  T220] RSP: 002b:00007fffdf7b5698 EFLAGS: 00000246 ORIG_RAX: 00000000000000e7
[   10.375464][  T220] RAX: ffffffffffffffda RBX: 00007fa4e0840f88 RCX: 00007fa4e07101b8
[   10.375466][  T220] RDX: 00007fa4e045afc8 RSI: fffffffffffffeb8 RDI: 0000000000000000
[   10.375467][  T220] RBP: 00007fffdf7b56f0 R08: 0000000000000000 R09: 0000000000000050
[   10.375468][  T220] R10: 00007fffdf7b54b0 R11: 0000000000000246 R12: 0000000000000001
[   10.375469][  T220] R13: 0000000000000000 R14: 00007fa4e083f680 R15: 00007fa4e0840fa0
| [   11.375435][  T245] softirqs last disabled at (20310): netif_change_name (./include/linux/spinlock.h:353 ./include/linux/seqlock.h:908 net/core/dev.c:1499)
| [   11.375438][  T245] Preemption disabled at:
| [   11.375438][  T245] vprintk_emit (kernel/printk/printk.c:2471)
| [   11.375447][  T245] Tainted: [W]=WARN
[   11.375447][  T245] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   11.375449][  T245] Call Trace:
[   11.375451][  T245]  <TASK>
[   11.375452][  T245]  dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120)
[   11.375458][  T245]  ? vprintk_emit (kernel/printk/printk.c:2471)
[   11.375459][  T245]  __might_resched.cold (kernel/sched/core.c:9234)
[   11.375464][  T245]  ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3))
[   11.375468][  T245]  ? __kmalloc_noprof (./include/linux/sched/mm.h:317 mm/slub.c:4636 mm/slub.c:4974 mm/slub.c:5413 mm/slub.c:5439)
[   11.375472][  T245]  __kmalloc_noprof (./include/linux/sched/mm.h:322 (discriminator 2) mm/slub.c:4636 (discriminator 2) mm/slub.c:4974 (discriminator 2) mm/slub.c:5413 (discriminator 2) mm/slub.c:5439 (discriminator 2))
[   11.375474][  T245]  ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[   11.375481][  T245]  ? do_raw_spin_unlock (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:32 ./include/asm-generic/qspinlock.h:58 kernel/locking/spinlock_debug.c:101 kernel/locking/spinlock_debug.c:141)
[   11.375484][  T245]  alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[   11.375487][  T245]  put_chars (drivers/char/virtio_console.c:1176)
[   11.375490][  T245]  ? __send_to_port (drivers/char/virtio_console.c:654)
[   11.375496][  T245]  hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2))
[   11.375504][  T245]  ? hvc_write (drivers/tty/hvc/hvc_console.c:501)
[   11.375507][  T245]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   11.375511][  T245]  console_emit_next_record (kernel/printk/printk.c:3183)
[   11.375515][  T245]  ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20)
[   11.375517][  T245]  ? console_flush_one_record (./include/linux/rcupdate.h:314 (discriminator 2) ./include/linux/srcu.h:439 (discriminator 2) kernel/printk/printk.c:291 (discriminator 2) kernel/printk/printk.c:3246 (discriminator 2))
[   11.375520][  T245]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   11.375523][  T245]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   11.375527][  T245]  console_flush_one_record (kernel/printk/printk.c:3268)
[   11.375531][  T245]  ? console_emit_next_record (kernel/printk/printk.c:3150)
[   11.375533][  T245]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   11.375538][  T245]  console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420)
[   11.375541][  T245]  ? console_flush_one_record (kernel/printk/printk.c:3316)
[   11.375543][  T245]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   11.375544][  T245]  ? lock_acquire (./include/linux/srcutree.h:374 ./include/linux/srcu.h:541 ./include/linux/srcu.h:645 ./include/trace/events/lock.h:23 ./include/trace/events/lock.h:23 kernel/locking/lockdep.c:5871)
[   11.375548][  T245]  ? __down_trylock_console_sem (kernel/printk/printk.c:334)
[   11.375550][  T245]  ? vprintk_emit (kernel/printk/printk.c:2478)
[   11.375552][  T245]  vprintk_emit (kernel/printk/printk.c:2479)
[   11.375555][  T245]  ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126))
[   11.375558][  T245]  ? save_trace (kernel/locking/lockdep.c:589)
[   11.375565][  T245]  _printk (kernel/printk/printk.c:2504)
[   11.375568][  T245]  ? snapshot_read.cold (user.c:?)
[   11.375571][  T245]  ? validate_chain (kernel/locking/lockdep.c:159 kernel/locking/lockdep.c:191 kernel/locking/lockdep.c:3928)
[   11.375573][  T245]  ? netdev_name (./include/linux/netdevice.h:5709 (discriminator 1))
[   11.375577][  T245]  ? __netdev_printk (net/core/dev.c:13148 (discriminator 2))
[   11.375580][  T245]  ? do_setlink.isra.0 (net/core/rtnetlink.c:3246)
[   11.375582][  T245]  netdev_info (net/core/dev.c:13195 (discriminator 3))
[   11.375585][  T245]  ? netdev_notice (net/core/dev.c:13194)
[   11.375587][  T245]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[   11.375590][  T245]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554)
[   11.375593][  T245]  ? mark_held_locks (kernel/locking/lockdep.c:4341)
[   11.375596][  T245]  ? do_setlink.isra.0 (net/core/rtnetlink.c:3246)
[   11.375598][  T245]  netif_change_name.cold (net/core/dev.c:1507 (discriminator 3))
[   11.375600][  T245]  ? register_netdev (net/core/dev.c:11618)
[   11.375602][  T245]  ? is_bpf_text_address (./include/linux/rcupdate.h:319 (discriminator 2) ./include/linux/rcupdate.h:880 (discriminator 2) kernel/bpf/core.c:751 (discriminator 2))
[   11.375607][  T245]  ? netdev_adjacent_rename_links (net/core/dev.c:9598)
[   11.375610][  T245]  ? __kernel_text_address (kernel/extable.c:79)
[   11.375612][  T245]  ? write_profile (profile.c:?)
[   11.375616][  T245]  ? __asan_memset (mm/kasan/shadow.c:84 (discriminator 1))
[   11.375622][  T245]  do_setlink.isra.0 (net/core/rtnetlink.c:3246)
[   11.375626][  T245]  ? stack_trace_save (kernel/stacktrace.c:122 (discriminator 1))
[   11.375628][  T245]  ? rtnl_link_get_size (net/core/rtnetlink.c:747)
[   11.375629][  T245]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:388 kernel/rcu/update.c:380)
[   11.375632][  T245]  ? stack_depot_save_flags (lib/stackdepot.c:609 (discriminator 2) lib/stackdepot.c:676 (discriminator 2))
[   11.375635][  T245]  ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4116 (discriminator 3) kernel/rcu/tree.c:4108 (discriminator 3))
[   11.375637][  T245]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380)
[   11.375639][  T245]  ? validate_chain (kernel/locking/lockdep.c:3817 (discriminator 2) kernel/locking/lockdep.c:3837 (discriminator 2) kernel/locking/lockdep.c:3892 (discriminator 2))
[   11.375641][  T245]  ? kasan_save_stack (mm/kasan/common.c:58)
[   11.375643][  T245]  ? kasan_save_stack (mm/kasan/common.c:57)
[   11.375644][  T245]  ? kasan_save_track (mm/kasan/common.c:78)
[   11.375645][  T245]  ? __kasan_kmalloc (mm/kasan/common.c:398 mm/kasan/common.c:415)
[   11.375648][  T245]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   11.375650][  T245]  ? snd_ac97_proc_read_main (sound/pci/ac97/ac97_proc.c:320)
[   11.375652][  T245]  ? ___sys_sendmsg (net/socket.c:2758)
[   11.375656][  T245]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2))
[   11.375658][  T245]  ? rtnl_newlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:366 net/core/rtnetlink.c:4214)
[   11.375661][  T245]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   11.375662][  T245]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   11.375664][  T245]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   11.375665][  T245]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   11.375667][  T245]  ? trace_contention_end (./include/trace/events/lock.h:121 (discriminator 22))
[   11.375669][  T245]  ? __mutex_lock (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:3188 kernel/locking/mutex.c:89 kernel/locking/mutex.c:134 kernel/locking/mutex.c:649 kernel/locking/mutex.c:821)
[   11.375672][  T245]  ? __mutex_lock (kernel/locking/mutex.c:656 (discriminator 1) kernel/locking/mutex.c:821 (discriminator 1))
[   11.375674][  T245]  ? rtnl_newlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:366 net/core/rtnetlink.c:4214)
[   11.375677][  T245]  ? ww_mutex_lock (kernel/locking/mutex.c:934)
[   11.375678][  T245]  ? nla_get_range_signed (lib/nlattr.c:270)
[   11.375683][  T245]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   11.375685][  T245]  ? __rtnl_newlink (net/core/rtnetlink.c:4063)
[   11.375690][  T245]  rtnl_newlink (net/core/rtnetlink.c:4215)
[   11.375695][  T245]  ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558)
[   11.375697][  T245]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   11.375702][  T245]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2))
[   11.375703][  T245]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[   11.375705][  T245]  ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558)
[   11.375707][  T245]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554)
[   11.375711][  T245]  ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558)
[   11.375713][  T245]  rtnetlink_rcv_msg (net/core/rtnetlink.c:7132)
[   11.375716][  T245]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   11.375717][  T245]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   11.375722][  T245]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2))
[   11.375723][  T245]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[   11.375727][  T245]  netlink_rcv_skb (net/netlink/af_netlink.c:2556)
[   11.375730][  T245]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   11.375733][  T245]  ? netlink_ack (./include/linux/skbuff.h:2718)
[   11.375739][  T245]  ? netlink_deliver_tap (./include/linux/rcupdate.h:319 (discriminator 2) ./include/linux/rcupdate.h:880 (discriminator 2) ./include/net/netns/generic.h:48 (discriminator 2) net/netlink/af_netlink.c:334 (discriminator 2))
[   11.375741][  T245]  ? netlink_deliver_tap (./include/linux/rcupdate.h:319 (discriminator 2) ./include/linux/rcupdate.h:880 (discriminator 2) net/netlink/af_netlink.c:341 (discriminator 2))
[   11.375746][  T245]  netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[   11.375750][  T245]  ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[   11.375752][  T245]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[   11.375756][  T245]  netlink_sendmsg (net/netlink/af_netlink.c:1900)
[   11.375760][  T245]  ? netlink_unicast (./include/net/net_namespace.h:422 (discriminator 7))
[   11.375764][  T245]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554)
[   11.375765][  T245]  ? __import_iovec (lib/iov_iter.c:1358 lib/iov_iter.c:1373)
[   11.375771][  T245]  __sock_sendmsg (net/socket.c:800 (discriminator 4) net/socket.c:815 (discriminator 4))
[   11.375773][  T245]  ____sys_sendmsg (net/socket.c:2713)
[   11.375776][  T245]  ? copy_msghdr_from_user (net/socket.c:2650)
[   11.375778][  T245]  ? sock_write_iter (net/socket.c:1269)
[   11.375779][  T245]  ? move_addr_to_kernel (net/socket.c:258)
[   11.375787][  T245]  ___sys_sendmsg (net/socket.c:2767)
[   11.375789][  T245]  ? copy_msghdr_from_user (net/socket.c:2619)
[   11.375809][  T245]  __sys_sendmsg (net/socket.c:2799)
[   11.375812][  T245]  ? __sys_sendmsg_sock (net/socket.c:2780)
[   11.375817][  T245]  ? fpregs_restore_userregs (./include/linux/instrumented.h:97 ./include/asm-generic/bitops/instrumented-atomic.h:41 ./include/linux/thread_info.h:109 arch/x86/kernel/fpu/context.h:79)
[   11.375821][  T245]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   11.375823][  T245]  do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84)
[   11.375826][  T245]  ? exc_page_fault (arch/x86/mm/fault.c:1489 (discriminator 3) arch/x86/mm/fault.c:1536 (discriminator 3))
[   11.375829][  T245]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[   11.375831][  T245] RIP: 0033:0x7f61b233254e
[   11.375835][  T245] Code: 4d 89 d8 e8 b4 bd 00 00 4c 8b 5d f8 41 8b 93 08 03 00 00 59 5e 48 83 f8 fc 74 11 c9 c3 0f 1f 80 00 00 00 00 48 8b 45 10 0f 05 <c9> c3 83 e2 39 83 fa 08 75 e7 e8 03 ff ff ff 0f 1f 00 f3 0f 1e fa
All code
========
   0:	4d 89 d8             	mov    %r11,%r8
   3:	e8 b4 bd 00 00       	call   0xbdbc
   8:	4c 8b 5d f8          	mov    -0x8(%rbp),%r11
   c:	41 8b 93 08 03 00 00 	mov    0x308(%r11),%edx
  13:	59                   	pop    %rcx
  14:	5e                   	pop    %rsi
  15:	48 83 f8 fc          	cmp    $0xfffffffffffffffc,%rax
  19:	74 11                	je     0x2c
  1b:	c9                   	leave
  1c:	c3                   	ret
  1d:	0f 1f 80 00 00 00 00 	nopl   0x0(%rax)
  24:	48 8b 45 10          	mov    0x10(%rbp),%rax
  28:	0f 05                	syscall
  2a:*	c9                   	leave		<-- trapping instruction
  2b:	c3                   	ret
  2c:	83 e2 39             	and    $0x39,%edx
  2f:	83 fa 08             	cmp    $0x8,%edx
  32:	75 e7                	jne    0x1b
  34:	e8 03 ff ff ff       	call   0xffffffffffffff3c
  39:	0f 1f 00             	nopl   (%rax)
  3c:	f3 0f 1e fa          	endbr64

Code starting with the faulting instruction
===========================================
   0:	c9                   	leave
   1:	c3                   	ret
   2:	83 e2 39             	and    $0x39,%edx
   5:	83 fa 08             	cmp    $0x8,%edx
   8:	75 e7                	jne    0xfffffffffffffff1
   a:	e8 03 ff ff ff       	call   0xffffffffffffff12
   f:	0f 1f 00             	nopl   (%rax)
  12:	f3 0f 1e fa          	endbr64
[   11.375837][  T245] RSP: 002b:00007fff87e40580 EFLAGS: 00000202 ORIG_RAX: 000000000000002e
[   11.375839][  T245] RAX: ffffffffffffffda RBX: 0000000000000005 RCX: 00007f61b233254e
[   11.375841][  T245] RDX: 0000000000000000 RSI: 00007fff87e40630 RDI: 0000000000000005
[   11.375841][  T245] RBP: 00007fff87e40590 R08: 0000000000000000 R09: 0000000000000000
[   11.375842][  T245] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a9150b9
[   11.375843][  T245] R13: 00000000004a1620 R14: 0000000000000000 R15: 00007fff87e40d00
| [   29.676844][  T641] softirqs last disabled at (29031): __irq_exit_rcu (kernel/softirq.c:679 kernel/softirq.c:519 kernel/softirq.c:767)
| [   29.676847][  T641] Preemption disabled at:
| [   29.676848][  T641] vprintk_emit (kernel/printk/printk.c:2471)
| [   29.676857][  T641] Tainted: [W]=WARN
[   29.676858][  T641] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   29.676859][  T641] Call Trace:
[   29.676861][  T641]  <TASK>
[   29.676862][  T641]  dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120)
[   29.676868][  T641]  ? vprintk_emit (kernel/printk/printk.c:2471)
[   29.676870][  T641]  __might_resched.cold (kernel/sched/core.c:9234)
[   29.676875][  T641]  ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3))
[   29.676879][  T641]  ? __kmalloc_noprof (./include/linux/sched/mm.h:317 mm/slub.c:4636 mm/slub.c:4974 mm/slub.c:5413 mm/slub.c:5439)
[   29.676883][  T641]  __kmalloc_noprof (./include/linux/sched/mm.h:322 (discriminator 2) mm/slub.c:4636 (discriminator 2) mm/slub.c:4974 (discriminator 2) mm/slub.c:5413 (discriminator 2) mm/slub.c:5439 (discriminator 2))
[   29.676885][  T641]  ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[   29.676891][  T641]  ? do_raw_spin_unlock (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:32 ./include/asm-generic/qspinlock.h:58 kernel/locking/spinlock_debug.c:101 kernel/locking/spinlock_debug.c:141)
[   29.676895][  T641]  alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[   29.676898][  T641]  put_chars (drivers/char/virtio_console.c:1176)
[   29.676901][  T641]  ? __send_to_port (drivers/char/virtio_console.c:654)
[   29.676907][  T641]  hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2))
[   29.676915][  T641]  ? hvc_write (drivers/tty/hvc/hvc_console.c:501)
[   29.676918][  T641]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   29.676922][  T641]  console_emit_next_record (kernel/printk/printk.c:3183)
[   29.676926][  T641]  ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20)
[   29.676928][  T641]  ? console_flush_one_record (./include/linux/rcupdate.h:314 (discriminator 2) ./include/linux/srcu.h:439 (discriminator 2) kernel/printk/printk.c:291 (discriminator 2) kernel/printk/printk.c:3246 (discriminator 2))
[   29.676931][  T641]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   29.676934][  T641]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   29.676938][  T641]  console_flush_one_record (kernel/printk/printk.c:3268)
[   29.676942][  T641]  ? console_emit_next_record (kernel/printk/printk.c:3150)
[   29.676944][  T641]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   29.676949][  T641]  console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420)
[   29.676952][  T641]  ? console_flush_one_record (kernel/printk/printk.c:3316)
[   29.676954][  T641]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   29.676955][  T641]  ? lock_acquire (./include/linux/srcutree.h:374 ./include/linux/srcu.h:541 ./include/linux/srcu.h:645 ./include/trace/events/lock.h:23 ./include/trace/events/lock.h:23 kernel/locking/lockdep.c:5871)
[   29.676959][  T641]  ? __down_trylock_console_sem (kernel/printk/printk.c:334)
[   29.676961][  T641]  ? vprintk_emit (kernel/printk/printk.c:2478)
[   29.676964][  T641]  vprintk_emit (kernel/printk/printk.c:2479)
[   29.676966][  T641]  ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126))
[   29.676969][  T641]  ? _mutex_trylock_nest_lock (kernel/locking/mutex.c:1227 (discriminator 6))
[   29.676973][  T641]  _printk (kernel/printk/printk.c:2504)
[   29.676977][  T641]  ? snapshot_read.cold (user.c:?)
[   29.676978][  T641]  ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4116 (discriminator 3) kernel/rcu/tree.c:4108 (discriminator 3))
[   29.676981][  T641]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380)
[   29.676984][  T641]  ? validate_chain (kernel/locking/lockdep.c:3817 (discriminator 2) kernel/locking/lockdep.c:3837 (discriminator 2) kernel/locking/lockdep.c:3892 (discriminator 2))
[   29.676986][  T641]  ? netdev_name (./include/linux/netdevice.h:5709 (discriminator 1))
[   29.676990][  T641]  ? __netdev_printk (net/core/dev.c:13148 (discriminator 2))
[   29.676993][  T641]  ? do_setlink.isra.0 (net/core/rtnetlink.c:3246)
[   29.676995][  T641]  netdev_info (net/core/dev.c:13195 (discriminator 3))
[   29.676997][  T641]  ? netdev_notice (net/core/dev.c:13194)
[   29.677000][  T641]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[   29.677003][  T641]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554)
[   29.677006][  T641]  ? mark_held_locks (kernel/locking/lockdep.c:4341)
[   29.677009][  T641]  ? do_setlink.isra.0 (net/core/rtnetlink.c:3246)
[   29.677011][  T641]  netif_change_name.cold (net/core/dev.c:1507 (discriminator 3))
[   29.677013][  T641]  ? register_netdev (net/core/dev.c:11618)
[   29.677015][  T641]  ? is_bpf_text_address (./include/linux/rcupdate.h:319 (discriminator 2) ./include/linux/rcupdate.h:880 (discriminator 2) kernel/bpf/core.c:751 (discriminator 2))
[   29.677021][  T641]  ? netdev_adjacent_rename_links (net/core/dev.c:9598)
[   29.677024][  T641]  ? __kernel_text_address (kernel/extable.c:79)
[   29.677027][  T641]  ? write_profile (profile.c:?)
[   29.677031][  T641]  ? __asan_memset (mm/kasan/shadow.c:84 (discriminator 1))
[   29.677036][  T641]  do_setlink.isra.0 (net/core/rtnetlink.c:3246)
[   29.677039][  T641]  ? stack_trace_save (kernel/stacktrace.c:122 (discriminator 1))
[   29.677042][  T641]  ? rtnl_link_get_size (net/core/rtnetlink.c:747)
[   29.677043][  T641]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:388 kernel/rcu/update.c:380)
[   29.677045][  T641]  ? stack_depot_save_flags (lib/stackdepot.c:609 (discriminator 2) lib/stackdepot.c:676 (discriminator 2))
[   29.677048][  T641]  ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4116 (discriminator 3) kernel/rcu/tree.c:4108 (discriminator 3))
[   29.677050][  T641]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380)
[   29.677052][  T641]  ? validate_chain (kernel/locking/lockdep.c:3817 (discriminator 2) kernel/locking/lockdep.c:3837 (discriminator 2) kernel/locking/lockdep.c:3892 (discriminator 2))
[   29.677054][  T641]  ? kasan_save_stack (mm/kasan/common.c:58)
[   29.677056][  T641]  ? kasan_save_stack (mm/kasan/common.c:57)
[   29.677058][  T641]  ? kasan_save_track (mm/kasan/common.c:78)
[   29.677059][  T641]  ? __kasan_kmalloc (mm/kasan/common.c:398 mm/kasan/common.c:415)
[   29.677061][  T641]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   29.677063][  T641]  ? snd_ac97_proc_read_main (sound/pci/ac97/ac97_proc.c:320)
[   29.677066][  T641]  ? ___sys_sendmsg (net/socket.c:2758)
[   29.677070][  T641]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2))
[   29.677072][  T641]  ? rtnl_newlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:366 net/core/rtnetlink.c:4214)
[   29.677074][  T641]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   29.677076][  T641]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   29.677078][  T641]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   29.677079][  T641]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   29.677080][  T641]  ? trace_contention_end (./include/trace/events/lock.h:121 (discriminator 22))
[   29.677083][  T641]  ? __mutex_lock (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:3188 kernel/locking/mutex.c:89 kernel/locking/mutex.c:134 kernel/locking/mutex.c:649 kernel/locking/mutex.c:821)
[   29.677084][  T641]  ? __mutex_lock (kernel/locking/mutex.c:656 (discriminator 1) kernel/locking/mutex.c:821 (discriminator 1))
[   29.677086][  T641]  ? rtnl_newlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:366 net/core/rtnetlink.c:4214)
[   29.677089][  T641]  ? ww_mutex_lock (kernel/locking/mutex.c:934)
[   29.677090][  T641]  ? nla_get_range_signed (lib/nlattr.c:270)
[   29.677095][  T641]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   29.677097][  T641]  ? __rtnl_newlink (net/core/rtnetlink.c:4063)
[   29.677102][  T641]  rtnl_newlink (net/core/rtnetlink.c:4215)
[   29.677107][  T641]  ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558)
[   29.677109][  T641]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   29.677114][  T641]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2))
[   29.677116][  T641]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[   29.677118][  T641]  ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558)
[   29.677119][  T641]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554)
[   29.677123][  T641]  ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558)
[   29.677125][  T641]  rtnetlink_rcv_msg (net/core/rtnetlink.c:7132)
[   29.677128][  T641]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   29.677130][  T641]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   29.677134][  T641]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2))
[   29.677136][  T641]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[   29.677139][  T641]  netlink_rcv_skb (net/netlink/af_netlink.c:2556)
[   29.677143][  T641]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   29.677145][  T641]  ? netlink_ack (./include/linux/skbuff.h:2718)
[   29.677152][  T641]  ? netlink_deliver_tap (./include/linux/rcupdate.h:319 (discriminator 2) ./include/linux/rcupdate.h:880 (discriminator 2) ./include/net/netns/generic.h:48 (discriminator 2) net/netlink/af_netlink.c:334 (discriminator 2))
[   29.677154][  T641]  ? netlink_deliver_tap (./include/linux/rcupdate.h:319 (discriminator 2) ./include/linux/rcupdate.h:880 (discriminator 2) net/netlink/af_netlink.c:341 (discriminator 2))
[   29.677158][  T641]  netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[   29.677162][  T641]  ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[   29.677165][  T641]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[   29.677169][  T641]  netlink_sendmsg (net/netlink/af_netlink.c:1900)
[   29.677173][  T641]  ? netlink_unicast (./include/net/net_namespace.h:422 (discriminator 7))
[   29.677177][  T641]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554)
[   29.677178][  T641]  ? __import_iovec (lib/iov_iter.c:1358 lib/iov_iter.c:1373)
[   29.677183][  T641]  __sock_sendmsg (net/socket.c:800 (discriminator 4) net/socket.c:815 (discriminator 4))
[   29.677186][  T641]  ____sys_sendmsg (net/socket.c:2713)
[   29.677188][  T641]  ? copy_msghdr_from_user (net/socket.c:2650)
[   29.677191][  T641]  ? sock_write_iter (net/socket.c:1269)
[   29.677192][  T641]  ? move_addr_to_kernel (net/socket.c:258)
[   29.677199][  T641]  ___sys_sendmsg (net/socket.c:2767)
[   29.677202][  T641]  ? copy_msghdr_from_user (net/socket.c:2619)
[   29.677218][  T641]  __sys_sendmsg (net/socket.c:2799)
[   29.677220][  T641]  ? __sys_sendmsg_sock (net/socket.c:2780)
[   29.677226][  T641]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   29.677229][  T641]  do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84)
[   29.677232][  T641]  ? exc_page_fault (arch/x86/mm/fault.c:1489 (discriminator 3) arch/x86/mm/fault.c:1536 (discriminator 3))
[   29.677235][  T641]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[   29.677237][  T641] RIP: 0033:0x7f6cecf1a54e
[   29.677241][  T641] Code: 4d 89 d8 e8 b4 bd 00 00 4c 8b 5d f8 41 8b 93 08 03 00 00 59 5e 48 83 f8 fc 74 11 c9 c3 0f 1f 80 00 00 00 00 48 8b 45 10 0f 05 <c9> c3 83 e2 39 83 fa 08 75 e7 e8 03 ff ff ff 0f 1f 00 f3 0f 1e fa
All code
========
   0:	4d 89 d8             	mov    %r11,%r8
   3:	e8 b4 bd 00 00       	call   0xbdbc
   8:	4c 8b 5d f8          	mov    -0x8(%rbp),%r11
   c:	41 8b 93 08 03 00 00 	mov    0x308(%r11),%edx
  13:	59                   	pop    %rcx
  14:	5e                   	pop    %rsi
  15:	48 83 f8 fc          	cmp    $0xfffffffffffffffc,%rax
  19:	74 11                	je     0x2c
  1b:	c9                   	leave
  1c:	c3                   	ret
  1d:	0f 1f 80 00 00 00 00 	nopl   0x0(%rax)
  24:	48 8b 45 10          	mov    0x10(%rbp),%rax
  28:	0f 05                	syscall
  2a:*	c9                   	leave		<-- trapping instruction
  2b:	c3                   	ret
  2c:	83 e2 39             	and    $0x39,%edx
  2f:	83 fa 08             	cmp    $0x8,%edx
  32:	75 e7                	jne    0x1b
  34:	e8 03 ff ff ff       	call   0xffffffffffffff3c
  39:	0f 1f 00             	nopl   (%rax)
  3c:	f3 0f 1e fa          	endbr64

Code starting with the faulting instruction
===========================================
   0:	c9                   	leave
   1:	c3                   	ret
   2:	83 e2 39             	and    $0x39,%edx
   5:	83 fa 08             	cmp    $0x8,%edx
   8:	75 e7                	jne    0xfffffffffffffff1
   a:	e8 03 ff ff ff       	call   0xffffffffffffff12
   f:	0f 1f 00             	nopl   (%rax)
  12:	f3 0f 1e fa          	endbr64
[   29.677243][  T641] RSP: 002b:00007ffc560afef0 EFLAGS: 00000202 ORIG_RAX: 000000000000002e
[   29.677245][  T641] RAX: ffffffffffffffda RBX: 0000000000000005 RCX: 00007f6cecf1a54e
[   29.677247][  T641] RDX: 0000000000000000 RSI: 00007ffc560affa0 RDI: 0000000000000005
[   29.677248][  T641] RBP: 00007ffc560aff00 R08: 0000000000000000 R09: 0000000000000000
[   29.677249][  T641] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a9150cc
[   29.677249][  T641] R13: 00000000004a1620 R14: 0000000000000000 R15: 00007ffc560b0670
| [   48.032040][ T1036] softirqs last disabled at (29206): netif_change_name (./include/linux/spinlock.h:353 ./include/linux/seqlock.h:908 net/core/dev.c:1499)
| [   48.032043][ T1036] Preemption disabled at:
| [   48.032043][ T1036] vprintk_emit (kernel/printk/printk.c:2471)
| [   48.032052][ T1036] Tainted: [W]=WARN
[   48.032053][ T1036] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   48.032055][ T1036] Call Trace:
[   48.032056][ T1036]  <TASK>
[   48.032058][ T1036]  dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120)
[   48.032064][ T1036]  ? vprintk_emit (kernel/printk/printk.c:2471)
[   48.032066][ T1036]  __might_resched.cold (kernel/sched/core.c:9234)
[   48.032070][ T1036]  ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3))
[   48.032074][ T1036]  ? __kmalloc_noprof (./include/linux/sched/mm.h:317 mm/slub.c:4636 mm/slub.c:4974 mm/slub.c:5413 mm/slub.c:5439)
[   48.032079][ T1036]  __kmalloc_noprof (./include/linux/sched/mm.h:322 (discriminator 2) mm/slub.c:4636 (discriminator 2) mm/slub.c:4974 (discriminator 2) mm/slub.c:5413 (discriminator 2) mm/slub.c:5439 (discriminator 2))
[   48.032080][ T1036]  ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[   48.032087][ T1036]  ? do_raw_spin_unlock (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:32 ./include/asm-generic/qspinlock.h:58 kernel/locking/spinlock_debug.c:101 kernel/locking/spinlock_debug.c:141)
[   48.032090][ T1036]  alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[   48.032094][ T1036]  put_chars (drivers/char/virtio_console.c:1176)
[   48.032096][ T1036]  ? __send_to_port (drivers/char/virtio_console.c:654)
[   48.032103][ T1036]  hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2))
[   48.032110][ T1036]  ? hvc_write (drivers/tty/hvc/hvc_console.c:501)
[   48.032114][ T1036]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   48.032118][ T1036]  console_emit_next_record (kernel/printk/printk.c:3183)
[   48.032122][ T1036]  ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20)
[   48.032124][ T1036]  ? console_flush_one_record (./include/linux/rcupdate.h:314 (discriminator 2) ./include/linux/srcu.h:439 (discriminator 2) kernel/printk/printk.c:291 (discriminator 2) kernel/printk/printk.c:3246 (discriminator 2))
[   48.032128][ T1036]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   48.032130][ T1036]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   48.032134][ T1036]  console_flush_one_record (kernel/printk/printk.c:3268)
[   48.032139][ T1036]  ? console_emit_next_record (kernel/printk/printk.c:3150)
[   48.032140][ T1036]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   48.032146][ T1036]  console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420)
[   48.032149][ T1036]  ? console_flush_one_record (kernel/printk/printk.c:3316)
[   48.032151][ T1036]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   48.032152][ T1036]  ? lock_acquire (./include/linux/srcutree.h:374 ./include/linux/srcu.h:541 ./include/linux/srcu.h:645 ./include/trace/events/lock.h:23 ./include/trace/events/lock.h:23 kernel/locking/lockdep.c:5871)
[   48.032156][ T1036]  ? __down_trylock_console_sem (kernel/printk/printk.c:334)
[   48.032158][ T1036]  ? vprintk_emit (kernel/printk/printk.c:2478)
[   48.032161][ T1036]  vprintk_emit (kernel/printk/printk.c:2479)
[   48.032164][ T1036]  ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126))
[   48.032167][ T1036]  ? _mutex_trylock_nest_lock (kernel/locking/mutex.c:1227 (discriminator 6))
[   48.032172][ T1036]  _printk (kernel/printk/printk.c:2504)
[   48.032175][ T1036]  ? snapshot_read.cold (user.c:?)
[   48.032177][ T1036]  ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4116 (discriminator 3) kernel/rcu/tree.c:4108 (discriminator 3))
[   48.032179][ T1036]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380)
[   48.032182][ T1036]  ? validate_chain (kernel/locking/lockdep.c:3817 (discriminator 2) kernel/locking/lockdep.c:3837 (discriminator 2) kernel/locking/lockdep.c:3892 (discriminator 2))
[   48.032184][ T1036]  ? netdev_name (./include/linux/netdevice.h:5709 (discriminator 1))
[   48.032188][ T1036]  ? __netdev_printk (net/core/dev.c:13148 (discriminator 2))
[   48.032191][ T1036]  ? do_setlink.isra.0 (net/core/rtnetlink.c:3246)
[   48.032193][ T1036]  netdev_info (net/core/dev.c:13195 (discriminator 3))
[   48.032196][ T1036]  ? netdev_notice (net/core/dev.c:13194)
[   48.032198][ T1036]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[   48.032202][ T1036]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554)
[   48.032204][ T1036]  ? mark_held_locks (kernel/locking/lockdep.c:4341)
[   48.032208][ T1036]  ? do_setlink.isra.0 (net/core/rtnetlink.c:3246)
[   48.032210][ T1036]  netif_change_name.cold (net/core/dev.c:1507 (discriminator 3))
[   48.032212][ T1036]  ? register_netdev (net/core/dev.c:11618)
[   48.032213][ T1036]  ? is_bpf_text_address (./include/linux/rcupdate.h:319 (discriminator 2) ./include/linux/rcupdate.h:880 (discriminator 2) kernel/bpf/core.c:751 (discriminator 2))
[   48.032219][ T1036]  ? netdev_adjacent_rename_links (net/core/dev.c:9598)
[   48.032221][ T1036]  ? __kernel_text_address (kernel/extable.c:79)
[   48.032224][ T1036]  ? write_profile (profile.c:?)
[   48.032228][ T1036]  ? __asan_memset (mm/kasan/shadow.c:84 (discriminator 1))
[   48.032234][ T1036]  do_setlink.isra.0 (net/core/rtnetlink.c:3246)
[   48.032237][ T1036]  ? stack_trace_save (kernel/stacktrace.c:122 (discriminator 1))
[   48.032239][ T1036]  ? rtnl_link_get_size (net/core/rtnetlink.c:747)
[   48.032240][ T1036]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:388 kernel/rcu/update.c:380)
[   48.032242][ T1036]  ? stack_depot_save_flags (lib/stackdepot.c:609 (discriminator 2) lib/stackdepot.c:676 (discriminator 2))
[   48.032246][ T1036]  ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4116 (discriminator 3) kernel/rcu/tree.c:4108 (discriminator 3))
[   48.032248][ T1036]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380)
[   48.032250][ T1036]  ? validate_chain (kernel/locking/lockdep.c:3817 (discriminator 2) kernel/locking/lockdep.c:3837 (discriminator 2) kernel/locking/lockdep.c:3892 (discriminator 2))
[   48.032252][ T1036]  ? kasan_save_stack (mm/kasan/common.c:58)
[   48.032254][ T1036]  ? kasan_save_stack (mm/kasan/common.c:57)
[   48.032255][ T1036]  ? kasan_save_track (mm/kasan/common.c:78)
[   48.032257][ T1036]  ? __kasan_kmalloc (mm/kasan/common.c:398 mm/kasan/common.c:415)
[   48.032259][ T1036]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   48.032261][ T1036]  ? snd_ac97_proc_read_main (sound/pci/ac97/ac97_proc.c:320)
[   48.032264][ T1036]  ? ___sys_sendmsg (net/socket.c:2758)
[   48.032268][ T1036]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2))
[   48.032270][ T1036]  ? rtnl_newlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:366 net/core/rtnetlink.c:4214)
[   48.032272][ T1036]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   48.032274][ T1036]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   48.032276][ T1036]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   48.032277][ T1036]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   48.032279][ T1036]  ? trace_contention_end (./include/trace/events/lock.h:121 (discriminator 22))
[   48.032281][ T1036]  ? __mutex_lock (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:3188 kernel/locking/mutex.c:89 kernel/locking/mutex.c:134 kernel/locking/mutex.c:649 kernel/locking/mutex.c:821)
[   48.032282][ T1036]  ? __mutex_lock (kernel/locking/mutex.c:656 (discriminator 1) kernel/locking/mutex.c:821 (discriminator 1))
[   48.032284][ T1036]  ? rtnl_newlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:366 net/core/rtnetlink.c:4214)
[   48.032287][ T1036]  ? ww_mutex_lock (kernel/locking/mutex.c:934)
[   48.032289][ T1036]  ? nla_get_range_signed (lib/nlattr.c:270)
[   48.032293][ T1036]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   48.032296][ T1036]  ? __rtnl_newlink (net/core/rtnetlink.c:4063)
[   48.032301][ T1036]  rtnl_newlink (net/core/rtnetlink.c:4215)
[   48.032306][ T1036]  ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558)
[   48.032308][ T1036]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   48.032313][ T1036]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2))
[   48.032314][ T1036]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[   48.032316][ T1036]  ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558)
[   48.032318][ T1036]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554)
[   48.032322][ T1036]  ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558)
[   48.032324][ T1036]  rtnetlink_rcv_msg (net/core/rtnetlink.c:7132)
[   48.032327][ T1036]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   48.032329][ T1036]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   48.032333][ T1036]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2))
[   48.032335][ T1036]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[   48.032338][ T1036]  netlink_rcv_skb (net/netlink/af_netlink.c:2556)
[   48.032342][ T1036]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   48.032345][ T1036]  ? netlink_ack (./include/linux/skbuff.h:2718)
[   48.032351][ T1036]  ? netlink_deliver_tap (./include/linux/rcupdate.h:319 (discriminator 2) ./include/linux/rcupdate.h:880 (discriminator 2) ./include/net/netns/generic.h:48 (discriminator 2) net/netlink/af_netlink.c:334 (discriminator 2))
[   48.032353][ T1036]  ? netlink_deliver_tap (./include/linux/rcupdate.h:319 (discriminator 2) ./include/linux/rcupdate.h:880 (discriminator 2) net/netlink/af_netlink.c:341 (discriminator 2))
[   48.032358][ T1036]  netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[   48.032362][ T1036]  ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[   48.032364][ T1036]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[   48.032369][ T1036]  netlink_sendmsg (net/netlink/af_netlink.c:1900)
[   48.032373][ T1036]  ? netlink_unicast (./include/net/net_namespace.h:422 (discriminator 7))
[   48.032377][ T1036]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554)
[   48.032378][ T1036]  ? __import_iovec (lib/iov_iter.c:1358 lib/iov_iter.c:1373)
[   48.032384][ T1036]  __sock_sendmsg (net/socket.c:800 (discriminator 4) net/socket.c:815 (discriminator 4))
[   48.032387][ T1036]  ____sys_sendmsg (net/socket.c:2713)
[   48.032389][ T1036]  ? copy_msghdr_from_user (net/socket.c:2650)
[   48.032391][ T1036]  ? sock_write_iter (net/socket.c:1269)
[   48.032393][ T1036]  ? move_addr_to_kernel (net/socket.c:258)
[   48.032400][ T1036]  ___sys_sendmsg (net/socket.c:2767)
[   48.032403][ T1036]  ? copy_msghdr_from_user (net/socket.c:2619)
[   48.032419][ T1036]  __sys_sendmsg (net/socket.c:2799)
[   48.032422][ T1036]  ? __sys_sendmsg_sock (net/socket.c:2780)
[   48.032428][ T1036]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   48.032431][ T1036]  do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84)
[   48.032434][ T1036]  ? exc_page_fault (arch/x86/mm/fault.c:1489 (discriminator 3) arch/x86/mm/fault.c:1536 (discriminator 3))
[   48.032437][ T1036]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[   48.032439][ T1036] RIP: 0033:0x7fae08a1154e
[   48.032443][ T1036] Code: 4d 89 d8 e8 b4 bd 00 00 4c 8b 5d f8 41 8b 93 08 03 00 00 59 5e 48 83 f8 fc 74 11 c9 c3 0f 1f 80 00 00 00 00 48 8b 45 10 0f 05 <c9> c3 83 e2 39 83 fa 08 75 e7 e8 03 ff ff ff 0f 1f 00 f3 0f 1e fa
All code
========
   0:	4d 89 d8             	mov    %r11,%r8
   3:	e8 b4 bd 00 00       	call   0xbdbc
   8:	4c 8b 5d f8          	mov    -0x8(%rbp),%r11
   c:	41 8b 93 08 03 00 00 	mov    0x308(%r11),%edx
  13:	59                   	pop    %rcx
  14:	5e                   	pop    %rsi
  15:	48 83 f8 fc          	cmp    $0xfffffffffffffffc,%rax
  19:	74 11                	je     0x2c
  1b:	c9                   	leave
  1c:	c3                   	ret
  1d:	0f 1f 80 00 00 00 00 	nopl   0x0(%rax)
  24:	48 8b 45 10          	mov    0x10(%rbp),%rax
  28:	0f 05                	syscall
  2a:*	c9                   	leave		<-- trapping instruction
  2b:	c3                   	ret
  2c:	83 e2 39             	and    $0x39,%edx
  2f:	83 fa 08             	cmp    $0x8,%edx
  32:	75 e7                	jne    0x1b
  34:	e8 03 ff ff ff       	call   0xffffffffffffff3c
  39:	0f 1f 00             	nopl   (%rax)
  3c:	f3 0f 1e fa          	endbr64

Code starting with the faulting instruction
===========================================
   0:	c9                   	leave
   1:	c3                   	ret
   2:	83 e2 39             	and    $0x39,%edx
   5:	83 fa 08             	cmp    $0x8,%edx
   8:	75 e7                	jne    0xfffffffffffffff1
   a:	e8 03 ff ff ff       	call   0xffffffffffffff12
   f:	0f 1f 00             	nopl   (%rax)
  12:	f3 0f 1e fa          	endbr64
[   48.032445][ T1036] RSP: 002b:00007ffc836e0f30 EFLAGS: 00000202 ORIG_RAX: 000000000000002e
[   48.032447][ T1036] RAX: ffffffffffffffda RBX: 0000000000000005 RCX: 00007fae08a1154e
[   48.032449][ T1036] RDX: 0000000000000000 RSI: 00007ffc836e0fe0 RDI: 0000000000000005
[   48.032450][ T1036] RBP: 00007ffc836e0f40 R08: 0000000000000000 R09: 0000000000000000
[   48.032450][ T1036] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a9150de
[   48.032451][ T1036] R13: 00000000004a1620 R14: 0000000000000000 R15: 00007ffc836e16b0
| [   66.798348][ T1430] softirqs last disabled at (31120): netif_change_name (./include/linux/spinlock.h:353 ./include/linux/seqlock.h:908 net/core/dev.c:1499)
| [   66.798352][ T1430] Preemption disabled at:
| [   66.798353][ T1430] vprintk_emit (kernel/printk/printk.c:2471)
| [   66.798364][ T1430] Tainted: [W]=WARN
[   66.798365][ T1430] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   66.798367][ T1430] Call Trace:
[   66.798369][ T1430]  <TASK>
[   66.798371][ T1430]  dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120)
[   66.798378][ T1430]  ? vprintk_emit (kernel/printk/printk.c:2471)
[   66.798381][ T1430]  __might_resched.cold (kernel/sched/core.c:9234)
[   66.798387][ T1430]  ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3))
[   66.798392][ T1430]  ? __kmalloc_noprof (./include/linux/sched/mm.h:317 mm/slub.c:4636 mm/slub.c:4974 mm/slub.c:5413 mm/slub.c:5439)
[   66.798399][ T1430]  __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))
[   66.798402][ T1430]  ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[   66.798411][ T1430]  ? 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)
[   66.798415][ T1430]  alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[   66.798420][ T1430]  put_chars (drivers/char/virtio_console.c:1176)
[   66.798424][ T1430]  ? __send_to_port (drivers/char/virtio_console.c:654)
[   66.798435][ T1430]  hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2))
[   66.798447][ T1430]  ? hvc_write (drivers/tty/hvc/hvc_console.c:501)
[   66.798452][ T1430]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   66.798459][ T1430]  console_emit_next_record (kernel/printk/printk.c:3183)
[   66.798465][ T1430]  ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20)
[   66.798467][ T1430]  ? 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))
[   66.798472][ T1430]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   66.798476][ T1430]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   66.798483][ T1430]  console_flush_one_record (kernel/printk/printk.c:3268)
[   66.798490][ T1430]  ? console_emit_next_record (kernel/printk/printk.c:3150)
[   66.798492][ T1430]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   66.798501][ T1430]  console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420)
[   66.798506][ T1430]  ? console_flush_one_record (kernel/printk/printk.c:3316)
[   66.798508][ T1430]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   66.798511][ T1430]  ? 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)
[   66.798517][ T1430]  ? __down_trylock_console_sem (kernel/printk/printk.c:334)
[   66.798520][ T1430]  ? vprintk_emit (kernel/printk/printk.c:2478)
[   66.798524][ T1430]  vprintk_emit (kernel/printk/printk.c:2479)
[   66.798530][ T1430]  ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126))
[   66.798534][ T1430]  ? _mutex_trylock_nest_lock (kernel/locking/mutex.c:1227 (discriminator 6))
[   66.798542][ T1430]  _printk (kernel/printk/printk.c:2504)
[   66.798546][ T1430]  ? snapshot_read.cold (user.c:?)
[   66.798549][ T1430]  ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4116 (discriminator 3) kernel/rcu/tree.c:4108 (discriminator 3))
[   66.798553][ T1430]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380)
[   66.798557][ T1430]  ? validate_chain (kernel/locking/lockdep.c:3817 (discriminator 2) kernel/locking/lockdep.c:3837 (discriminator 2) kernel/locking/lockdep.c:3892 (discriminator 2))
[   66.798560][ T1430]  ? netdev_name (./include/linux/netdevice.h:5709 (discriminator 1))
[   66.798568][ T1430]  ? __netdev_printk (net/core/dev.c:13148 (discriminator 2))
[   66.798573][ T1430]  ? do_setlink.isra.0 (net/core/rtnetlink.c:3246)
[   66.798576][ T1430]  netdev_info (net/core/dev.c:13195 (discriminator 3))
[   66.798580][ T1430]  ? netdev_notice (net/core/dev.c:13194)
[   66.798585][ T1430]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[   66.798590][ T1430]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554)
[   66.798600][ T1430]  ? mark_held_locks (kernel/locking/lockdep.c:4341)
[   66.798606][ T1430]  ? do_setlink.isra.0 (net/core/rtnetlink.c:3246)
[   66.798609][ T1430]  netif_change_name.cold (net/core/dev.c:1507 (discriminator 3))
[   66.798612][ T1430]  ? register_netdev (net/core/dev.c:11618)
[   66.798615][ T1430]  ? 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))
[   66.798623][ T1430]  ? netdev_adjacent_rename_links (net/core/dev.c:9598)
[   66.798626][ T1430]  ? __kernel_text_address (kernel/extable.c:79)
[   66.798629][ T1430]  ? write_profile (profile.c:?)
[   66.798635][ T1430]  ? __asan_memset (mm/kasan/shadow.c:84 (discriminator 1))
[   66.798644][ T1430]  do_setlink.isra.0 (net/core/rtnetlink.c:3246)
[   66.798650][ T1430]  ? stack_trace_save (kernel/stacktrace.c:122 (discriminator 1))
[   66.798653][ T1430]  ? rtnl_link_get_size (net/core/rtnetlink.c:747)
[   66.798655][ T1430]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:388 kernel/rcu/update.c:380)
[   66.798658][ T1430]  ? stack_depot_save_flags (lib/stackdepot.c:609 (discriminator 2) lib/stackdepot.c:676 (discriminator 2))
[   66.798662][ T1430]  ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4116 (discriminator 3) kernel/rcu/tree.c:4108 (discriminator 3))
[   66.798665][ T1430]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380)
[   66.798668][ T1430]  ? validate_chain (kernel/locking/lockdep.c:3817 (discriminator 2) kernel/locking/lockdep.c:3837 (discriminator 2) kernel/locking/lockdep.c:3892 (discriminator 2))
[   66.798671][ T1430]  ? kasan_save_stack (mm/kasan/common.c:58)
[   66.798674][ T1430]  ? kasan_save_stack (mm/kasan/common.c:57)
[   66.798676][ T1430]  ? kasan_save_track (mm/kasan/common.c:78)
[   66.798678][ T1430]  ? __kasan_kmalloc (mm/kasan/common.c:398 mm/kasan/common.c:415)
[   66.798682][ T1430]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   66.798684][ T1430]  ? snd_ac97_proc_read_main (sound/pci/ac97/ac97_proc.c:320)
[   66.798688][ T1430]  ? ___sys_sendmsg (net/socket.c:2758)
[   66.798694][ T1430]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2))
[   66.798697][ T1430]  ? rtnl_newlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:366 net/core/rtnetlink.c:4214)
[   66.798702][ T1430]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   66.798704][ T1430]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   66.798707][ T1430]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   66.798709][ T1430]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   66.798711][ T1430]  ? trace_contention_end (./include/trace/events/lock.h:121 (discriminator 22))
[   66.798715][ T1430]  ? __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)
[   66.798717][ T1430]  ? __mutex_lock (kernel/locking/mutex.c:656 (discriminator 1) kernel/locking/mutex.c:821 (discriminator 1))
[   66.798720][ T1430]  ? rtnl_newlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:366 net/core/rtnetlink.c:4214)
[   66.798726][ T1430]  ? ww_mutex_lock (kernel/locking/mutex.c:934)
[   66.798728][ T1430]  ? nla_get_range_signed (lib/nlattr.c:270)
[   66.798735][ T1430]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   66.798739][ T1430]  ? __rtnl_newlink (net/core/rtnetlink.c:4063)
[   66.798748][ T1430]  rtnl_newlink (net/core/rtnetlink.c:4215)
[   66.798757][ T1430]  ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558)
[   66.798760][ T1430]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   66.798768][ T1430]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2))
[   66.798771][ T1430]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[   66.798774][ T1430]  ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558)
[   66.798777][ T1430]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554)
[   66.798783][ T1430]  ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558)
[   66.798786][ T1430]  rtnetlink_rcv_msg (net/core/rtnetlink.c:7132)
[   66.798792][ T1430]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   66.798794][ T1430]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   66.798801][ T1430]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2))
[   66.798804][ T1430]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[   66.798810][ T1430]  netlink_rcv_skb (net/netlink/af_netlink.c:2556)
[   66.798814][ T1430]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   66.798819][ T1430]  ? netlink_ack (./include/linux/skbuff.h:2718)
[   66.798830][ T1430]  ? 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))
[   66.798833][ T1430]  ? 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))
[   66.798840][ T1430]  netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[   66.798847][ T1430]  ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[   66.798851][ T1430]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[   66.798858][ T1430]  netlink_sendmsg (net/netlink/af_netlink.c:1900)
[   66.798865][ T1430]  ? netlink_unicast (./include/net/net_namespace.h:422 (discriminator 7))
[   66.798871][ T1430]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554)
[   66.798873][ T1430]  ? __import_iovec (lib/iov_iter.c:1358 lib/iov_iter.c:1373)
[   66.798881][ T1430]  __sock_sendmsg (net/socket.c:800 (discriminator 4) net/socket.c:815 (discriminator 4))
[   66.798886][ T1430]  ____sys_sendmsg (net/socket.c:2713)
[   66.798889][ T1430]  ? copy_msghdr_from_user (net/socket.c:2650)
[   66.798892][ T1430]  ? sock_write_iter (net/socket.c:1269)
[   66.798895][ T1430]  ? move_addr_to_kernel (net/socket.c:258)
[   66.798907][ T1430]  ___sys_sendmsg (net/socket.c:2767)
[   66.798912][ T1430]  ? copy_msghdr_from_user (net/socket.c:2619)
[   66.798941][ T1430]  __sys_sendmsg (net/socket.c:2799)
[   66.798945][ T1430]  ? __sys_sendmsg_sock (net/socket.c:2780)
[   66.798956][ T1430]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   66.798961][ T1430]  do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84)
[   66.798964][ T1430]  ? exc_page_fault (arch/x86/mm/fault.c:1489 (discriminator 3) arch/x86/mm/fault.c:1536 (discriminator 3))
[   66.798969][ T1430]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[   66.798972][ T1430] RIP: 0033:0x7fb5fc95d54e
[   66.798977][ T1430] 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
[   66.798979][ T1430] RSP: 002b:00007ffc1820aa10 EFLAGS: 00000202 ORIG_RAX: 000000000000002e
[   66.798982][ T1430] RAX: ffffffffffffffda RBX: 0000000000000005 RCX: 00007fb5fc95d54e
[   66.798984][ T1430] RDX: 0000000000000000 RSI: 00007ffc1820aac0 RDI: 0000000000000005
[   66.798985][ T1430] RBP: 00007ffc1820aa20 R08: 0000000000000000 R09: 0000000000000000
[   66.798987][ T1430] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a9150f1
[   66.798988][ T1430] R13: 00000000004a1620 R14: 0000000000000000 R15: 00007ffc1820b190
| [   81.926468][ T1838] softirqs last disabled at (19112): netif_change_name (./include/linux/spinlock.h:353 ./include/linux/seqlock.h:908 net/core/dev.c:1499)
| [   81.926471][ T1838] Preemption disabled at:
| [   81.926472][ T1838] vprintk_emit (kernel/printk/printk.c:2471)
| [   81.926480][ T1838] Tainted: [W]=WARN
[   81.926481][ T1838] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   81.926483][ T1838] Call Trace:
[   81.926484][ T1838]  <TASK>
[   81.926486][ T1838]  dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120)
[   81.926492][ T1838]  ? vprintk_emit (kernel/printk/printk.c:2471)
[   81.926494][ T1838]  __might_resched.cold (kernel/sched/core.c:9234)
[   81.926498][ T1838]  ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3))
[   81.926502][ T1838]  ? __kmalloc_noprof (./include/linux/sched/mm.h:317 mm/slub.c:4636 mm/slub.c:4974 mm/slub.c:5413 mm/slub.c:5439)
[   81.926507][ T1838]  __kmalloc_noprof (./include/linux/sched/mm.h:322 (discriminator 2) mm/slub.c:4636 (discriminator 2) mm/slub.c:4974 (discriminator 2) mm/slub.c:5413 (discriminator 2) mm/slub.c:5439 (discriminator 2))
[   81.926509][ T1838]  ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[   81.926515][ T1838]  ? do_raw_spin_unlock (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:32 ./include/asm-generic/qspinlock.h:58 kernel/locking/spinlock_debug.c:101 kernel/locking/spinlock_debug.c:141)
[   81.926518][ T1838]  alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[   81.926522][ T1838]  put_chars (drivers/char/virtio_console.c:1176)
[   81.926524][ T1838]  ? __send_to_port (drivers/char/virtio_console.c:654)
[   81.926531][ T1838]  hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2))
[   81.926538][ T1838]  ? hvc_write (drivers/tty/hvc/hvc_console.c:501)
[   81.926542][ T1838]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   81.926546][ T1838]  console_emit_next_record (kernel/printk/printk.c:3183)
[   81.926550][ T1838]  ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20)
[   81.926552][ T1838]  ? console_flush_one_record (./include/linux/rcupdate.h:314 (discriminator 2) ./include/linux/srcu.h:439 (discriminator 2) kernel/printk/printk.c:291 (discriminator 2) kernel/printk/printk.c:3246 (discriminator 2))
[   81.926555][ T1838]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   81.926558][ T1838]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   81.926565][ T1838]  console_flush_one_record (kernel/printk/printk.c:3268)
[   81.926569][ T1838]  ? console_emit_next_record (kernel/printk/printk.c:3150)
[   81.926571][ T1838]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   81.926577][ T1838]  console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420)
[   81.926579][ T1838]  ? console_flush_one_record (kernel/printk/printk.c:3316)
[   81.926581][ T1838]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   81.926583][ T1838]  ? lock_acquire (./include/linux/srcutree.h:374 ./include/linux/srcu.h:541 ./include/linux/srcu.h:645 ./include/trace/events/lock.h:23 ./include/trace/events/lock.h:23 kernel/locking/lockdep.c:5871)
[   81.926587][ T1838]  ? __down_trylock_console_sem (kernel/printk/printk.c:334)
[   81.926588][ T1838]  ? vprintk_emit (kernel/printk/printk.c:2478)
[   81.926591][ T1838]  vprintk_emit (kernel/printk/printk.c:2479)
[   81.926594][ T1838]  ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126))
[   81.926597][ T1838]  ? _mutex_trylock_nest_lock (kernel/locking/mutex.c:1227 (discriminator 6))
[   81.926602][ T1838]  _printk (kernel/printk/printk.c:2504)
[   81.926605][ T1838]  ? snapshot_read.cold (user.c:?)
[   81.926607][ T1838]  ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4116 (discriminator 3) kernel/rcu/tree.c:4108 (discriminator 3))
[   81.926610][ T1838]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380)
[   81.926613][ T1838]  ? validate_chain (kernel/locking/lockdep.c:3817 (discriminator 2) kernel/locking/lockdep.c:3837 (discriminator 2) kernel/locking/lockdep.c:3892 (discriminator 2))
[   81.926615][ T1838]  ? netdev_name (./include/linux/netdevice.h:5709 (discriminator 1))
[   81.926619][ T1838]  ? __netdev_printk (net/core/dev.c:13148 (discriminator 2))
[   81.926621][ T1838]  ? do_setlink.isra.0 (net/core/rtnetlink.c:3246)
[   81.926624][ T1838]  netdev_info (net/core/dev.c:13195 (discriminator 3))
[   81.926627][ T1838]  ? netdev_notice (net/core/dev.c:13194)
[   81.926629][ T1838]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[   81.926633][ T1838]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554)
[   81.926635][ T1838]  ? mark_held_locks (kernel/locking/lockdep.c:4341)
[   81.926639][ T1838]  ? do_setlink.isra.0 (net/core/rtnetlink.c:3246)
[   81.926641][ T1838]  netif_change_name.cold (net/core/dev.c:1507 (discriminator 3))
[   81.926643][ T1838]  ? register_netdev (net/core/dev.c:11618)
[   81.926644][ T1838]  ? is_bpf_text_address (./include/linux/rcupdate.h:319 (discriminator 2) ./include/linux/rcupdate.h:880 (discriminator 2) kernel/bpf/core.c:751 (discriminator 2))
[   81.926650][ T1838]  ? netdev_adjacent_rename_links (net/core/dev.c:9598)
[   81.926652][ T1838]  ? __kernel_text_address (kernel/extable.c:79)
[   81.926655][ T1838]  ? write_profile (profile.c:?)
[   81.926659][ T1838]  ? __asan_memset (mm/kasan/shadow.c:84 (discriminator 1))
[   81.926664][ T1838]  do_setlink.isra.0 (net/core/rtnetlink.c:3246)
[   81.926668][ T1838]  ? stack_trace_save (kernel/stacktrace.c:122 (discriminator 1))
[   81.926670][ T1838]  ? rtnl_link_get_size (net/core/rtnetlink.c:747)
[   81.926671][ T1838]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:388 kernel/rcu/update.c:380)
[   81.926673][ T1838]  ? stack_depot_save_flags (lib/stackdepot.c:609 (discriminator 2) lib/stackdepot.c:676 (discriminator 2))
[   81.926684][ T1838]  ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4116 (discriminator 3) kernel/rcu/tree.c:4108 (discriminator 3))
[   81.926686][ T1838]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380)
[   81.926688][ T1838]  ? validate_chain (kernel/locking/lockdep.c:3817 (discriminator 2) kernel/locking/lockdep.c:3837 (discriminator 2) kernel/locking/lockdep.c:3892 (discriminator 2))
[   81.926690][ T1838]  ? kasan_save_stack (mm/kasan/common.c:58)
[   81.926692][ T1838]  ? kasan_save_stack (mm/kasan/common.c:57)
[   81.926693][ T1838]  ? kasan_save_track (mm/kasan/common.c:78)
[   81.926694][ T1838]  ? __kasan_kmalloc (mm/kasan/common.c:398 mm/kasan/common.c:415)
[   81.926697][ T1838]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   81.926698][ T1838]  ? snd_ac97_proc_read_main (sound/pci/ac97/ac97_proc.c:320)
[   81.926702][ T1838]  ? ___sys_sendmsg (net/socket.c:2758)
[   81.926705][ T1838]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2))
[   81.926707][ T1838]  ? rtnl_newlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:366 net/core/rtnetlink.c:4214)
[   81.926710][ T1838]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   81.926712][ T1838]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   81.926713][ T1838]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   81.926714][ T1838]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   81.926716][ T1838]  ? trace_contention_end (./include/trace/events/lock.h:121 (discriminator 22))
[   81.926718][ T1838]  ? __mutex_lock (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:3188 kernel/locking/mutex.c:89 kernel/locking/mutex.c:134 kernel/locking/mutex.c:649 kernel/locking/mutex.c:821)
[   81.926719][ T1838]  ? __mutex_lock (kernel/locking/mutex.c:656 (discriminator 1) kernel/locking/mutex.c:821 (discriminator 1))
[   81.926721][ T1838]  ? rtnl_newlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:366 net/core/rtnetlink.c:4214)
[   81.926724][ T1838]  ? ww_mutex_lock (kernel/locking/mutex.c:934)
[   81.926726][ T1838]  ? nla_get_range_signed (lib/nlattr.c:270)
[   81.926731][ T1838]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   81.926733][ T1838]  ? __rtnl_newlink (net/core/rtnetlink.c:4063)
[   81.926738][ T1838]  rtnl_newlink (net/core/rtnetlink.c:4215)
[   81.926743][ T1838]  ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558)
[   81.926745][ T1838]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   81.926750][ T1838]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2))
[   81.926752][ T1838]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[   81.926753][ T1838]  ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558)
[   81.926755][ T1838]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554)
[   81.926759][ T1838]  ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558)
[   81.926761][ T1838]  rtnetlink_rcv_msg (net/core/rtnetlink.c:7132)
[   81.926764][ T1838]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   81.926765][ T1838]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   81.926770][ T1838]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2))
[   81.926772][ T1838]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[   81.926775][ T1838]  netlink_rcv_skb (net/netlink/af_netlink.c:2556)
[   81.926779][ T1838]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   81.926782][ T1838]  ? netlink_ack (./include/linux/skbuff.h:2718)
[   81.926788][ T1838]  ? netlink_deliver_tap (./include/linux/rcupdate.h:319 (discriminator 2) ./include/linux/rcupdate.h:880 (discriminator 2) ./include/net/netns/generic.h:48 (discriminator 2) net/netlink/af_netlink.c:334 (discriminator 2))
[   81.926790][ T1838]  ? netlink_deliver_tap (./include/linux/rcupdate.h:319 (discriminator 2) ./include/linux/rcupdate.h:880 (discriminator 2) net/netlink/af_netlink.c:341 (discriminator 2))
[   81.926797][ T1838]  netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[   81.926802][ T1838]  ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[   81.926805][ T1838]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[   81.926809][ T1838]  netlink_sendmsg (net/netlink/af_netlink.c:1900)
[   81.926813][ T1838]  ? netlink_unicast (./include/net/net_namespace.h:422 (discriminator 7))
[   81.926817][ T1838]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554)
[   81.926818][ T1838]  ? __import_iovec (lib/iov_iter.c:1358 lib/iov_iter.c:1373)
[   81.926823][ T1838]  __sock_sendmsg (net/socket.c:800 (discriminator 4) net/socket.c:815 (discriminator 4))
[   81.926826][ T1838]  ____sys_sendmsg (net/socket.c:2713)
[   81.926828][ T1838]  ? copy_msghdr_from_user (net/socket.c:2650)
[   81.926831][ T1838]  ? sock_write_iter (net/socket.c:1269)
[   81.926832][ T1838]  ? move_addr_to_kernel (net/socket.c:258)
[   81.926840][ T1838]  ___sys_sendmsg (net/socket.c:2767)
[   81.926842][ T1838]  ? copy_msghdr_from_user (net/socket.c:2619)
[   81.926858][ T1838]  __sys_sendmsg (net/socket.c:2799)
[   81.926861][ T1838]  ? __sys_sendmsg_sock (net/socket.c:2780)
[   81.926867][ T1838]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   81.926870][ T1838]  do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84)
[   81.926873][ T1838]  ? exc_page_fault (arch/x86/mm/fault.c:1489 (discriminator 3) arch/x86/mm/fault.c:1536 (discriminator 3))
[   81.926876][ T1838]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[   81.926878][ T1838] RIP: 0033:0x7f6e53ed154e
[   81.926882][ T1838] Code: 4d 89 d8 e8 b4 bd 00 00 4c 8b 5d f8 41 8b 93 08 03 00 00 59 5e 48 83 f8 fc 74 11 c9 c3 0f 1f 80 00 00 00 00 48 8b 45 10 0f 05 <c9> c3 83 e2 39 83 fa 08 75 e7 e8 03 ff ff ff 0f 1f 00 f3 0f 1e fa
All code
========
   0:	4d 89 d8             	mov    %r11,%r8
   3:	e8 b4 bd 00 00       	call   0xbdbc
   8:	4c 8b 5d f8          	mov    -0x8(%rbp),%r11
   c:	41 8b 93 08 03 00 00 	mov    0x308(%r11),%edx
  13:	59                   	pop    %rcx
  14:	5e                   	pop    %rsi
  15:	48 83 f8 fc          	cmp    $0xfffffffffffffffc,%rax
  19:	74 11                	je     0x2c
  1b:	c9                   	leave
  1c:	c3                   	ret
  1d:	0f 1f 80 00 00 00 00 	nopl   0x0(%rax)
  24:	48 8b 45 10          	mov    0x10(%rbp),%rax
  28:	0f 05                	syscall
  2a:*	c9                   	leave		<-- trapping instruction
  2b:	c3                   	ret
  2c:	83 e2 39             	and    $0x39,%edx
  2f:	83 fa 08             	cmp    $0x8,%edx
  32:	75 e7                	jne    0x1b
  34:	e8 03 ff ff ff       	call   0xffffffffffffff3c
  39:	0f 1f 00             	nopl   (%rax)
  3c:	f3 0f 1e fa          	endbr64

Code starting with the faulting instruction
===========================================
   0:	c9                   	leave
   1:	c3                   	ret
   2:	83 e2 39             	and    $0x39,%edx
   5:	83 fa 08             	cmp    $0x8,%edx
   8:	75 e7                	jne    0xfffffffffffffff1
   a:	e8 03 ff ff ff       	call   0xffffffffffffff12
   f:	0f 1f 00             	nopl   (%rax)
  12:	f3 0f 1e fa          	endbr64
[   81.926884][ T1838] RSP: 002b:00007ffe53651fa0 EFLAGS: 00000202 ORIG_RAX: 000000000000002e
[   81.926887][ T1838] RAX: ffffffffffffffda RBX: 0000000000000005 RCX: 00007f6e53ed154e
[   81.926888][ T1838] RDX: 0000000000000000 RSI: 00007ffe53652050 RDI: 0000000000000005
[   81.926889][ T1838] RBP: 00007ffe53651fb0 R08: 0000000000000000 R09: 0000000000000000
[   81.926890][ T1838] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a915100
[   81.926891][ T1838] R13: 00000000004a1620 R14: 0000000000000000 R15: 00007ffe53652720
| [   96.365179][ T2247] softirqs last disabled at (17166): netif_change_name (./include/linux/spinlock.h:353 ./include/linux/seqlock.h:908 net/core/dev.c:1499)
| [   96.365182][ T2247] Preemption disabled at:
| [   96.365183][ T2247] vprintk_emit (kernel/printk/printk.c:2471)
| [   96.365191][ T2247] Tainted: [W]=WARN
[   96.365192][ T2247] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   96.365194][ T2247] Call Trace:
[   96.365195][ T2247]  <TASK>
[   96.365197][ T2247]  dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120)
[   96.365202][ T2247]  ? vprintk_emit (kernel/printk/printk.c:2471)
[   96.365204][ T2247]  __might_resched.cold (kernel/sched/core.c:9234)
[   96.365208][ T2247]  ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3))
[   96.365212][ T2247]  ? __kmalloc_noprof (./include/linux/sched/mm.h:317 mm/slub.c:4636 mm/slub.c:4974 mm/slub.c:5413 mm/slub.c:5439)
[   96.365217][ T2247]  __kmalloc_noprof (./include/linux/sched/mm.h:322 (discriminator 2) mm/slub.c:4636 (discriminator 2) mm/slub.c:4974 (discriminator 2) mm/slub.c:5413 (discriminator 2) mm/slub.c:5439 (discriminator 2))
[   96.365219][ T2247]  ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[   96.365225][ T2247]  ? do_raw_spin_unlock (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:32 ./include/asm-generic/qspinlock.h:58 kernel/locking/spinlock_debug.c:101 kernel/locking/spinlock_debug.c:141)
[   96.365228][ T2247]  alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[   96.365232][ T2247]  put_chars (drivers/char/virtio_console.c:1176)
[   96.365234][ T2247]  ? __send_to_port (drivers/char/virtio_console.c:654)
[   96.365241][ T2247]  hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2))
[   96.365249][ T2247]  ? hvc_write (drivers/tty/hvc/hvc_console.c:501)
[   96.365252][ T2247]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   96.365256][ T2247]  console_emit_next_record (kernel/printk/printk.c:3183)
[   96.365260][ T2247]  ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20)
[   96.365262][ T2247]  ? console_flush_one_record (./include/linux/rcupdate.h:314 (discriminator 2) ./include/linux/srcu.h:439 (discriminator 2) kernel/printk/printk.c:291 (discriminator 2) kernel/printk/printk.c:3246 (discriminator 2))
[   96.365266][ T2247]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   96.365268][ T2247]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   96.365272][ T2247]  console_flush_one_record (kernel/printk/printk.c:3268)
[   96.365276][ T2247]  ? console_emit_next_record (kernel/printk/printk.c:3150)
[   96.365278][ T2247]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   96.365284][ T2247]  console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420)
[   96.365287][ T2247]  ? console_flush_one_record (kernel/printk/printk.c:3316)
[   96.365289][ T2247]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   96.365290][ T2247]  ? lock_acquire (./include/linux/srcutree.h:374 ./include/linux/srcu.h:541 ./include/linux/srcu.h:645 ./include/trace/events/lock.h:23 ./include/trace/events/lock.h:23 kernel/locking/lockdep.c:5871)
[   96.365294][ T2247]  ? __down_trylock_console_sem (kernel/printk/printk.c:334)
[   96.365296][ T2247]  ? vprintk_emit (kernel/printk/printk.c:2478)
[   96.365298][ T2247]  vprintk_emit (kernel/printk/printk.c:2479)
[   96.365302][ T2247]  ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126))
[   96.365304][ T2247]  ? _mutex_trylock_nest_lock (kernel/locking/mutex.c:1227 (discriminator 6))
[   96.365309][ T2247]  _printk (kernel/printk/printk.c:2504)
[   96.365313][ T2247]  ? snapshot_read.cold (user.c:?)
[   96.365315][ T2247]  ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4116 (discriminator 3) kernel/rcu/tree.c:4108 (discriminator 3))
[   96.365319][ T2247]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380)
[   96.365323][ T2247]  ? validate_chain (kernel/locking/lockdep.c:3817 (discriminator 2) kernel/locking/lockdep.c:3837 (discriminator 2) kernel/locking/lockdep.c:3892 (discriminator 2))
[   96.365326][ T2247]  ? netdev_name (./include/linux/netdevice.h:5709 (discriminator 1))
[   96.365329][ T2247]  ? __netdev_printk (net/core/dev.c:13148 (discriminator 2))
[   96.365332][ T2247]  ? do_setlink.isra.0 (net/core/rtnetlink.c:3246)
[   96.365334][ T2247]  netdev_info (net/core/dev.c:13195 (discriminator 3))
[   96.365337][ T2247]  ? netdev_notice (net/core/dev.c:13194)
[   96.365340][ T2247]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[   96.365343][ T2247]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554)
[   96.365346][ T2247]  ? mark_held_locks (kernel/locking/lockdep.c:4341)
[   96.365349][ T2247]  ? do_setlink.isra.0 (net/core/rtnetlink.c:3246)
[   96.365351][ T2247]  netif_change_name.cold (net/core/dev.c:1507 (discriminator 3))
[   96.365354][ T2247]  ? register_netdev (net/core/dev.c:11618)
[   96.365355][ T2247]  ? is_bpf_text_address (./include/linux/rcupdate.h:319 (discriminator 2) ./include/linux/rcupdate.h:880 (discriminator 2) kernel/bpf/core.c:751 (discriminator 2))
[   96.365360][ T2247]  ? netdev_adjacent_rename_links (net/core/dev.c:9598)
[   96.365363][ T2247]  ? __kernel_text_address (kernel/extable.c:79)
[   96.365365][ T2247]  ? write_profile (profile.c:?)
[   96.365369][ T2247]  ? __asan_memset (mm/kasan/shadow.c:84 (discriminator 1))
[   96.365375][ T2247]  do_setlink.isra.0 (net/core/rtnetlink.c:3246)
[   96.365378][ T2247]  ? stack_trace_save (kernel/stacktrace.c:122 (discriminator 1))
[   96.365381][ T2247]  ? rtnl_link_get_size (net/core/rtnetlink.c:747)
[   96.365382][ T2247]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:388 kernel/rcu/update.c:380)
[   96.365384][ T2247]  ? stack_depot_save_flags (lib/stackdepot.c:609 (discriminator 2) lib/stackdepot.c:676 (discriminator 2))
[   96.365387][ T2247]  ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4116 (discriminator 3) kernel/rcu/tree.c:4108 (discriminator 3))
[   96.365389][ T2247]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380)
[   96.365391][ T2247]  ? validate_chain (kernel/locking/lockdep.c:3817 (discriminator 2) kernel/locking/lockdep.c:3837 (discriminator 2) kernel/locking/lockdep.c:3892 (discriminator 2))
[   96.365393][ T2247]  ? kasan_save_stack (mm/kasan/common.c:58)
[   96.365395][ T2247]  ? kasan_save_stack (mm/kasan/common.c:57)
[   96.365397][ T2247]  ? kasan_save_track (mm/kasan/common.c:78)
[   96.365398][ T2247]  ? __kasan_kmalloc (mm/kasan/common.c:398 mm/kasan/common.c:415)
[   96.365400][ T2247]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   96.365402][ T2247]  ? snd_ac97_proc_read_main (sound/pci/ac97/ac97_proc.c:320)
[   96.365405][ T2247]  ? ___sys_sendmsg (net/socket.c:2758)
[   96.365409][ T2247]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2))
[   96.365411][ T2247]  ? rtnl_newlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:366 net/core/rtnetlink.c:4214)
[   96.365414][ T2247]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   96.365415][ T2247]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   96.365417][ T2247]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   96.365418][ T2247]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   96.365420][ T2247]  ? trace_contention_end (./include/trace/events/lock.h:121 (discriminator 22))
[   96.365422][ T2247]  ? __mutex_lock (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:3188 kernel/locking/mutex.c:89 kernel/locking/mutex.c:134 kernel/locking/mutex.c:649 kernel/locking/mutex.c:821)
[   96.365423][ T2247]  ? __mutex_lock (kernel/locking/mutex.c:656 (discriminator 1) kernel/locking/mutex.c:821 (discriminator 1))
[   96.365425][ T2247]  ? rtnl_newlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:366 net/core/rtnetlink.c:4214)
[   96.365428][ T2247]  ? ww_mutex_lock (kernel/locking/mutex.c:934)
[   96.365430][ T2247]  ? nla_get_range_signed (lib/nlattr.c:270)
[   96.365434][ T2247]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   96.365437][ T2247]  ? __rtnl_newlink (net/core/rtnetlink.c:4063)
[   96.365442][ T2247]  rtnl_newlink (net/core/rtnetlink.c:4215)
[   96.365447][ T2247]  ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558)
[   96.365449][ T2247]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   96.365453][ T2247]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2))
[   96.365455][ T2247]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[   96.365457][ T2247]  ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558)
[   96.365459][ T2247]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554)
[   96.365463][ T2247]  ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558)
[   96.365465][ T2247]  rtnetlink_rcv_msg (net/core/rtnetlink.c:7132)
[   96.365468][ T2247]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   96.365469][ T2247]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   96.365474][ T2247]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2))
[   96.365476][ T2247]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[   96.365479][ T2247]  netlink_rcv_skb (net/netlink/af_netlink.c:2556)
[   96.365483][ T2247]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   96.365486][ T2247]  ? netlink_ack (./include/linux/skbuff.h:2718)
[   96.365492][ T2247]  ? netlink_deliver_tap (./include/linux/rcupdate.h:319 (discriminator 2) ./include/linux/rcupdate.h:880 (discriminator 2) ./include/net/netns/generic.h:48 (discriminator 2) net/netlink/af_netlink.c:334 (discriminator 2))
[   96.365494][ T2247]  ? netlink_deliver_tap (./include/linux/rcupdate.h:319 (discriminator 2) ./include/linux/rcupdate.h:880 (discriminator 2) net/netlink/af_netlink.c:341 (discriminator 2))
[   96.365499][ T2247]  netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[   96.365503][ T2247]  ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[   96.365506][ T2247]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[   96.365510][ T2247]  netlink_sendmsg (net/netlink/af_netlink.c:1900)
[   96.365514][ T2247]  ? netlink_unicast (./include/net/net_namespace.h:422 (discriminator 7))
[   96.365518][ T2247]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554)
[   96.365519][ T2247]  ? __import_iovec (lib/iov_iter.c:1358 lib/iov_iter.c:1373)
[   96.365525][ T2247]  __sock_sendmsg (net/socket.c:800 (discriminator 4) net/socket.c:815 (discriminator 4))
[   96.365527][ T2247]  ____sys_sendmsg (net/socket.c:2713)
[   96.365530][ T2247]  ? copy_msghdr_from_user (net/socket.c:2650)
[   96.365532][ T2247]  ? sock_write_iter (net/socket.c:1269)
[   96.365534][ T2247]  ? move_addr_to_kernel (net/socket.c:258)
[   96.365541][ T2247]  ___sys_sendmsg (net/socket.c:2767)
[   96.365544][ T2247]  ? copy_msghdr_from_user (net/socket.c:2619)
[   96.365559][ T2247]  __sys_sendmsg (net/socket.c:2799)
[   96.365565][ T2247]  ? __sys_sendmsg_sock (net/socket.c:2780)
[   96.365571][ T2247]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   96.365574][ T2247]  do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84)
[   96.365577][ T2247]  ? exc_page_fault (arch/x86/mm/fault.c:1489 (discriminator 3) arch/x86/mm/fault.c:1536 (discriminator 3))
[   96.365580][ T2247]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[   96.365582][ T2247] RIP: 0033:0x7f7af985354e
[   96.365586][ T2247] Code: 4d 89 d8 e8 b4 bd 00 00 4c 8b 5d f8 41 8b 93 08 03 00 00 59 5e 48 83 f8 fc 74 11 c9 c3 0f 1f 80 00 00 00 00 48 8b 45 10 0f 05 <c9> c3 83 e2 39 83 fa 08 75 e7 e8 03 ff ff ff 0f 1f 00 f3 0f 1e fa
All code
========
   0:	4d 89 d8             	mov    %r11,%r8
   3:	e8 b4 bd 00 00       	call   0xbdbc
   8:	4c 8b 5d f8          	mov    -0x8(%rbp),%r11
   c:	41 8b 93 08 03 00 00 	mov    0x308(%r11),%edx
  13:	59                   	pop    %rcx
  14:	5e                   	pop    %rsi
  15:	48 83 f8 fc          	cmp    $0xfffffffffffffffc,%rax
  19:	74 11                	je     0x2c
  1b:	c9                   	leave
  1c:	c3                   	ret
  1d:	0f 1f 80 00 00 00 00 	nopl   0x0(%rax)
  24:	48 8b 45 10          	mov    0x10(%rbp),%rax
  28:	0f 05                	syscall
  2a:*	c9                   	leave		<-- trapping instruction
  2b:	c3                   	ret
  2c:	83 e2 39             	and    $0x39,%edx
  2f:	83 fa 08             	cmp    $0x8,%edx
  32:	75 e7                	jne    0x1b
  34:	e8 03 ff ff ff       	call   0xffffffffffffff3c
  39:	0f 1f 00             	nopl   (%rax)
  3c:	f3 0f 1e fa          	endbr64

Code starting with the faulting instruction
===========================================
   0:	c9                   	leave
   1:	c3                   	ret
   2:	83 e2 39             	and    $0x39,%edx
   5:	83 fa 08             	cmp    $0x8,%edx
   8:	75 e7                	jne    0xfffffffffffffff1
   a:	e8 03 ff ff ff       	call   0xffffffffffffff12
   f:	0f 1f 00             	nopl   (%rax)
  12:	f3 0f 1e fa          	endbr64
[   96.365588][ T2247] RSP: 002b:00007fffa235b400 EFLAGS: 00000202 ORIG_RAX: 000000000000002e
[   96.365591][ T2247] RAX: ffffffffffffffda RBX: 0000000000000005 RCX: 00007f7af985354e
[   96.365592][ T2247] RDX: 0000000000000000 RSI: 00007fffa235b4b0 RDI: 0000000000000005
[   96.365593][ T2247] RBP: 00007fffa235b410 R08: 0000000000000000 R09: 0000000000000000
[   96.365594][ T2247] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a91510e
[   96.365595][ T2247] R13: 00000000004a1620 R14: 0000000000000000 R15: 00007fffa235bb80
| [  221.061716][ T3724] softirqs last disabled at (19589): __irq_exit_rcu (kernel/softirq.c:679 kernel/softirq.c:519 kernel/softirq.c:767)
| [  221.061719][ T3724] Preemption disabled at:
| [  221.061720][ T3724] vprintk_emit (kernel/printk/printk.c:2471)
| [  221.061729][ T3724] Tainted: [W]=WARN
[  221.061731][ T3724] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[  221.061732][ T3724] Call Trace:
[  221.061734][ T3724]  <TASK>
[  221.061735][ T3724]  dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120)
[  221.061741][ T3724]  ? vprintk_emit (kernel/printk/printk.c:2471)
[  221.061743][ T3724]  __might_resched.cold (kernel/sched/core.c:9234)
[  221.061748][ T3724]  ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3))
[  221.061752][ T3724]  ? __kmalloc_noprof (./include/linux/sched/mm.h:317 mm/slub.c:4636 mm/slub.c:4974 mm/slub.c:5413 mm/slub.c:5439)
[  221.061757][ T3724]  __kmalloc_noprof (./include/linux/sched/mm.h:322 (discriminator 2) mm/slub.c:4636 (discriminator 2) mm/slub.c:4974 (discriminator 2) mm/slub.c:5413 (discriminator 2) mm/slub.c:5439 (discriminator 2))
[  221.061759][ T3724]  ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[  221.061766][ T3724]  ? do_raw_spin_unlock (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:32 ./include/asm-generic/qspinlock.h:58 kernel/locking/spinlock_debug.c:101 kernel/locking/spinlock_debug.c:141)
[  221.061769][ T3724]  alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[  221.061773][ T3724]  put_chars (drivers/char/virtio_console.c:1176)
[  221.061776][ T3724]  ? __send_to_port (drivers/char/virtio_console.c:654)
[  221.061782][ T3724]  hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2))
[  221.061790][ T3724]  ? hvc_write (drivers/tty/hvc/hvc_console.c:501)
[  221.061794][ T3724]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  221.061799][ T3724]  console_emit_next_record (kernel/printk/printk.c:3183)
[  221.061803][ T3724]  ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20)
[  221.061805][ T3724]  ? console_flush_one_record (./include/linux/rcupdate.h:314 (discriminator 2) ./include/linux/srcu.h:439 (discriminator 2) kernel/printk/printk.c:291 (discriminator 2) kernel/printk/printk.c:3246 (discriminator 2))
[  221.061808][ T3724]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  221.061811][ T3724]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  221.061815][ T3724]  console_flush_one_record (kernel/printk/printk.c:3268)
[  221.061820][ T3724]  ? console_emit_next_record (kernel/printk/printk.c:3150)
[  221.061822][ T3724]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[  221.061827][ T3724]  console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420)
[  221.061830][ T3724]  ? console_flush_one_record (kernel/printk/printk.c:3316)
[  221.061832][ T3724]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  221.061834][ T3724]  ? lock_acquire (./include/linux/srcutree.h:374 ./include/linux/srcu.h:541 ./include/linux/srcu.h:645 ./include/trace/events/lock.h:23 ./include/trace/events/lock.h:23 kernel/locking/lockdep.c:5871)
[  221.061838][ T3724]  ? __down_trylock_console_sem (kernel/printk/printk.c:334)
[  221.061840][ T3724]  ? vprintk_emit (kernel/printk/printk.c:2478)
[  221.061843][ T3724]  vprintk_emit (kernel/printk/printk.c:2479)
[  221.061846][ T3724]  ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126))
[  221.061849][ T3724]  ? _mutex_trylock_nest_lock (kernel/locking/mutex.c:1227 (discriminator 6))
[  221.061855][ T3724]  _printk (kernel/printk/printk.c:2504)
[  221.061858][ T3724]  ? snapshot_read.cold (user.c:?)
[  221.061860][ T3724]  ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4116 (discriminator 3) kernel/rcu/tree.c:4108 (discriminator 3))
[  221.061863][ T3724]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380)
[  221.061866][ T3724]  ? validate_chain (kernel/locking/lockdep.c:3817 (discriminator 2) kernel/locking/lockdep.c:3837 (discriminator 2) kernel/locking/lockdep.c:3892 (discriminator 2))
[  221.061868][ T3724]  ? netdev_name (./include/linux/netdevice.h:5709 (discriminator 1))
[  221.061872][ T3724]  ? __netdev_printk (net/core/dev.c:13148 (discriminator 2))
[  221.061875][ T3724]  ? do_setlink.isra.0 (net/core/rtnetlink.c:3246)
[  221.061877][ T3724]  netdev_info (net/core/dev.c:13195 (discriminator 3))
[  221.061880][ T3724]  ? netdev_notice (net/core/dev.c:13194)
[  221.061883][ T3724]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[  221.061886][ T3724]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554)
[  221.061889][ T3724]  ? mark_held_locks (kernel/locking/lockdep.c:4341)
[  221.061893][ T3724]  ? do_setlink.isra.0 (net/core/rtnetlink.c:3246)
[  221.061895][ T3724]  netif_change_name.cold (net/core/dev.c:1507 (discriminator 3))
[  221.061897][ T3724]  ? register_netdev (net/core/dev.c:11618)
[  221.061899][ T3724]  ? is_bpf_text_address (./include/linux/rcupdate.h:319 (discriminator 2) ./include/linux/rcupdate.h:880 (discriminator 2) kernel/bpf/core.c:751 (discriminator 2))
[  221.061905][ T3724]  ? netdev_adjacent_rename_links (net/core/dev.c:9598)
[  221.061908][ T3724]  ? __kernel_text_address (kernel/extable.c:79)
[  221.061911][ T3724]  ? write_profile (profile.c:?)
[  221.061915][ T3724]  ? __asan_memset (mm/kasan/shadow.c:84 (discriminator 1))
[  221.061921][ T3724]  do_setlink.isra.0 (net/core/rtnetlink.c:3246)
[  221.061925][ T3724]  ? stack_trace_save (kernel/stacktrace.c:122 (discriminator 1))
[  221.061927][ T3724]  ? rtnl_link_get_size (net/core/rtnetlink.c:747)
[  221.061928][ T3724]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:388 kernel/rcu/update.c:380)
[  221.061931][ T3724]  ? stack_depot_save_flags (lib/stackdepot.c:609 (discriminator 2) lib/stackdepot.c:676 (discriminator 2))
[  221.061934][ T3724]  ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4116 (discriminator 3) kernel/rcu/tree.c:4108 (discriminator 3))
[  221.061936][ T3724]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380)
[  221.061938][ T3724]  ? validate_chain (kernel/locking/lockdep.c:3817 (discriminator 2) kernel/locking/lockdep.c:3837 (discriminator 2) kernel/locking/lockdep.c:3892 (discriminator 2))
[  221.061941][ T3724]  ? kasan_save_stack (mm/kasan/common.c:58)
[  221.061943][ T3724]  ? kasan_save_stack (mm/kasan/common.c:57)
[  221.061944][ T3724]  ? kasan_save_track (mm/kasan/common.c:78)
[  221.061946][ T3724]  ? __kasan_kmalloc (mm/kasan/common.c:398 mm/kasan/common.c:415)
[  221.061948][ T3724]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[  221.061950][ T3724]  ? snd_ac97_proc_read_main (sound/pci/ac97/ac97_proc.c:320)
[  221.061953][ T3724]  ? ___sys_sendmsg (net/socket.c:2758)
[  221.061958][ T3724]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2))
[  221.061960][ T3724]  ? rtnl_newlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:366 net/core/rtnetlink.c:4214)
[  221.061963][ T3724]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  221.061965][ T3724]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  221.061966][ T3724]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  221.061967][ T3724]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  221.061969][ T3724]  ? trace_contention_end (./include/trace/events/lock.h:121 (discriminator 22))
[  221.061972][ T3724]  ? __mutex_lock (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:3188 kernel/locking/mutex.c:89 kernel/locking/mutex.c:134 kernel/locking/mutex.c:649 kernel/locking/mutex.c:821)
[  221.061973][ T3724]  ? __mutex_lock (kernel/locking/mutex.c:656 (discriminator 1) kernel/locking/mutex.c:821 (discriminator 1))
[  221.061975][ T3724]  ? rtnl_newlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:366 net/core/rtnetlink.c:4214)
[  221.061979][ T3724]  ? ww_mutex_lock (kernel/locking/mutex.c:934)
[  221.061980][ T3724]  ? nla_get_range_signed (lib/nlattr.c:270)
[  221.061986][ T3724]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  221.061988][ T3724]  ? __rtnl_newlink (net/core/rtnetlink.c:4063)
[  221.061994][ T3724]  rtnl_newlink (net/core/rtnetlink.c:4215)
[  221.061999][ T3724]  ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558)
[  221.062001][ T3724]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[  221.062006][ T3724]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2))
[  221.062008][ T3724]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[  221.062010][ T3724]  ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558)
[  221.062012][ T3724]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554)
[  221.062016][ T3724]  ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558)
[  221.062019][ T3724]  rtnetlink_rcv_msg (net/core/rtnetlink.c:7132)
[  221.062022][ T3724]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[  221.062023][ T3724]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[  221.062028][ T3724]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2))
[  221.062030][ T3724]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[  221.062034][ T3724]  netlink_rcv_skb (net/netlink/af_netlink.c:2556)
[  221.062037][ T3724]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[  221.062041][ T3724]  ? netlink_ack (./include/linux/skbuff.h:2718)
[  221.062047][ T3724]  ? netlink_deliver_tap (./include/linux/rcupdate.h:319 (discriminator 2) ./include/linux/rcupdate.h:880 (discriminator 2) ./include/net/netns/generic.h:48 (discriminator 2) net/netlink/af_netlink.c:334 (discriminator 2))
[  221.062050][ T3724]  ? netlink_deliver_tap (./include/linux/rcupdate.h:319 (discriminator 2) ./include/linux/rcupdate.h:880 (discriminator 2) net/netlink/af_netlink.c:341 (discriminator 2))
[  221.062054][ T3724]  netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[  221.062059][ T3724]  ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[  221.062061][ T3724]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[  221.062066][ T3724]  netlink_sendmsg (net/netlink/af_netlink.c:1900)
[  221.062070][ T3724]  ? netlink_unicast (./include/net/net_namespace.h:422 (discriminator 7))
[  221.062074][ T3724]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554)
[  221.062076][ T3724]  ? __import_iovec (lib/iov_iter.c:1358 lib/iov_iter.c:1373)
[  221.062082][ T3724]  __sock_sendmsg (net/socket.c:800 (discriminator 4) net/socket.c:815 (discriminator 4))
[  221.062085][ T3724]  ____sys_sendmsg (net/socket.c:2713)
[  221.062087][ T3724]  ? copy_msghdr_from_user (net/socket.c:2650)
[  221.062089][ T3724]  ? sock_write_iter (net/socket.c:1269)
[  221.062091][ T3724]  ? move_addr_to_kernel (net/socket.c:258)
[  221.062099][ T3724]  ___sys_sendmsg (net/socket.c:2767)
[  221.062102][ T3724]  ? copy_msghdr_from_user (net/socket.c:2619)
[  221.062119][ T3724]  __sys_sendmsg (net/socket.c:2799)
[  221.062122][ T3724]  ? __sys_sendmsg_sock (net/socket.c:2780)
[  221.062128][ T3724]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  221.062132][ T3724]  do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84)
[  221.062135][ T3724]  ? exc_page_fault (arch/x86/mm/fault.c:1489 (discriminator 3) arch/x86/mm/fault.c:1536 (discriminator 3))
[  221.062138][ T3724]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[  221.062141][ T3724] RIP: 0033:0x7f265232a54e
[  221.062145][ T3724] Code: 4d 89 d8 e8 b4 bd 00 00 4c 8b 5d f8 41 8b 93 08 03 00 00 59 5e 48 83 f8 fc 74 11 c9 c3 0f 1f 80 00 00 00 00 48 8b 45 10 0f 05 <c9> c3 83 e2 39 83 fa 08 75 e7 e8 03 ff ff ff 0f 1f 00 f3 0f 1e fa
All code
========
   0:	4d 89 d8             	mov    %r11,%r8
   3:	e8 b4 bd 00 00       	call   0xbdbc
   8:	4c 8b 5d f8          	mov    -0x8(%rbp),%r11
   c:	41 8b 93 08 03 00 00 	mov    0x308(%r11),%edx
  13:	59                   	pop    %rcx
  14:	5e                   	pop    %rsi
  15:	48 83 f8 fc          	cmp    $0xfffffffffffffffc,%rax
  19:	74 11                	je     0x2c
  1b:	c9                   	leave
  1c:	c3                   	ret
  1d:	0f 1f 80 00 00 00 00 	nopl   0x0(%rax)
  24:	48 8b 45 10          	mov    0x10(%rbp),%rax
  28:	0f 05                	syscall
  2a:*	c9                   	leave		<-- trapping instruction
  2b:	c3                   	ret
  2c:	83 e2 39             	and    $0x39,%edx
  2f:	83 fa 08             	cmp    $0x8,%edx
  32:	75 e7                	jne    0x1b
  34:	e8 03 ff ff ff       	call   0xffffffffffffff3c
  39:	0f 1f 00             	nopl   (%rax)
  3c:	f3 0f 1e fa          	endbr64

Code starting with the faulting instruction
===========================================
   0:	c9                   	leave
   1:	c3                   	ret
   2:	83 e2 39             	and    $0x39,%edx
   5:	83 fa 08             	cmp    $0x8,%edx
   8:	75 e7                	jne    0xfffffffffffffff1
   a:	e8 03 ff ff ff       	call   0xffffffffffffff12
   f:	0f 1f 00             	nopl   (%rax)
  12:	f3 0f 1e fa          	endbr64
[  221.062147][ T3724] RSP: 002b:00007ffc8ccc2450 EFLAGS: 00000202 ORIG_RAX: 000000000000002e
[  221.062149][ T3724] RAX: ffffffffffffffda RBX: 0000000000000005 RCX: 00007f265232a54e
[  221.062151][ T3724] RDX: 0000000000000000 RSI: 00007ffc8ccc2500 RDI: 0000000000000005
[  221.062152][ T3724] RBP: 00007ffc8ccc2460 R08: 0000000000000000 R09: 0000000000000000
[  221.062153][ T3724] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a91518b
[  221.062153][ T3724] R13: 00000000004a1620 R14: 0000000000000000 R15: 00007ffc8ccc2bd0
| [  228.378272][ T3941] softirqs last disabled at (23296): netif_change_name (./include/linux/spinlock.h:353 ./include/linux/seqlock.h:908 net/core/dev.c:1499)
| [  228.378275][ T3941] Preemption disabled at:
| [  228.378275][ T3941] vprintk_emit (kernel/printk/printk.c:2471)
| [  228.378284][ T3941] Tainted: [W]=WARN
[  228.378286][ T3941] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[  228.378287][ T3941] Call Trace:
[  228.378289][ T3941]  <TASK>
[  228.378290][ T3941]  dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120)
[  228.378296][ T3941]  ? vprintk_emit (kernel/printk/printk.c:2471)
[  228.378298][ T3941]  __might_resched.cold (kernel/sched/core.c:9234)
[  228.378303][ T3941]  ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3))
[  228.378307][ T3941]  ? __kmalloc_noprof (./include/linux/sched/mm.h:317 mm/slub.c:4636 mm/slub.c:4974 mm/slub.c:5413 mm/slub.c:5439)
[  228.378312][ T3941]  __kmalloc_noprof (./include/linux/sched/mm.h:322 (discriminator 2) mm/slub.c:4636 (discriminator 2) mm/slub.c:4974 (discriminator 2) mm/slub.c:5413 (discriminator 2) mm/slub.c:5439 (discriminator 2))
[  228.378315][ T3941]  ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[  228.378325][ T3941]  ? do_raw_spin_unlock (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:32 ./include/asm-generic/qspinlock.h:58 kernel/locking/spinlock_debug.c:101 kernel/locking/spinlock_debug.c:141)
[  228.378328][ T3941]  alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[  228.378332][ T3941]  put_chars (drivers/char/virtio_console.c:1176)
[  228.378334][ T3941]  ? __send_to_port (drivers/char/virtio_console.c:654)
[  228.378341][ T3941]  hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2))
[  228.378349][ T3941]  ? hvc_write (drivers/tty/hvc/hvc_console.c:501)
[  228.378352][ T3941]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  228.378357][ T3941]  console_emit_next_record (kernel/printk/printk.c:3183)
[  228.378361][ T3941]  ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20)
[  228.378363][ T3941]  ? console_flush_one_record (./include/linux/rcupdate.h:314 (discriminator 2) ./include/linux/srcu.h:439 (discriminator 2) kernel/printk/printk.c:291 (discriminator 2) kernel/printk/printk.c:3246 (discriminator 2))
[  228.378366][ T3941]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  228.378369][ T3941]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  228.378373][ T3941]  console_flush_one_record (kernel/printk/printk.c:3268)
[  228.378378][ T3941]  ? console_emit_next_record (kernel/printk/printk.c:3150)
[  228.378380][ T3941]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[  228.378385][ T3941]  console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420)
[  228.378389][ T3941]  ? console_flush_one_record (kernel/printk/printk.c:3316)
[  228.378391][ T3941]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  228.378392][ T3941]  ? lock_acquire (./include/linux/srcutree.h:374 ./include/linux/srcu.h:541 ./include/linux/srcu.h:645 ./include/trace/events/lock.h:23 ./include/trace/events/lock.h:23 kernel/locking/lockdep.c:5871)
[  228.378396][ T3941]  ? __down_trylock_console_sem (kernel/printk/printk.c:334)
[  228.378398][ T3941]  ? vprintk_emit (kernel/printk/printk.c:2478)
[  228.378401][ T3941]  vprintk_emit (kernel/printk/printk.c:2479)
[  228.378404][ T3941]  ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126))
[  228.378407][ T3941]  ? _mutex_trylock_nest_lock (kernel/locking/mutex.c:1227 (discriminator 6))
[  228.378412][ T3941]  _printk (kernel/printk/printk.c:2504)
[  228.378416][ T3941]  ? snapshot_read.cold (user.c:?)
[  228.378418][ T3941]  ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4116 (discriminator 3) kernel/rcu/tree.c:4108 (discriminator 3))
[  228.378421][ T3941]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380)
[  228.378424][ T3941]  ? validate_chain (kernel/locking/lockdep.c:3817 (discriminator 2) kernel/locking/lockdep.c:3837 (discriminator 2) kernel/locking/lockdep.c:3892 (discriminator 2))
[  228.378426][ T3941]  ? netdev_name (./include/linux/netdevice.h:5709 (discriminator 1))
[  228.378430][ T3941]  ? __netdev_printk (net/core/dev.c:13148 (discriminator 2))
[  228.378433][ T3941]  ? do_setlink.isra.0 (net/core/rtnetlink.c:3246)
[  228.378436][ T3941]  netdev_info (net/core/dev.c:13195 (discriminator 3))
[  228.378439][ T3941]  ? netdev_notice (net/core/dev.c:13194)
[  228.378442][ T3941]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[  228.378445][ T3941]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554)
[  228.378447][ T3941]  ? mark_held_locks (kernel/locking/lockdep.c:4341)
[  228.378451][ T3941]  ? do_setlink.isra.0 (net/core/rtnetlink.c:3246)
[  228.378453][ T3941]  netif_change_name.cold (net/core/dev.c:1507 (discriminator 3))
[  228.378456][ T3941]  ? register_netdev (net/core/dev.c:11618)
[  228.378457][ T3941]  ? is_bpf_text_address (./include/linux/rcupdate.h:319 (discriminator 2) ./include/linux/rcupdate.h:880 (discriminator 2) kernel/bpf/core.c:751 (discriminator 2))
[  228.378463][ T3941]  ? netdev_adjacent_rename_links (net/core/dev.c:9598)
[  228.378465][ T3941]  ? __kernel_text_address (kernel/extable.c:79)
[  228.378468][ T3941]  ? write_profile (profile.c:?)
[  228.378472][ T3941]  ? __asan_memset (mm/kasan/shadow.c:84 (discriminator 1))
[  228.378478][ T3941]  do_setlink.isra.0 (net/core/rtnetlink.c:3246)
[  228.378487][ T3941]  ? stack_trace_save (kernel/stacktrace.c:122 (discriminator 1))
[  228.378490][ T3941]  ? rtnl_link_get_size (net/core/rtnetlink.c:747)
[  228.378491][ T3941]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:388 kernel/rcu/update.c:380)
[  228.378493][ T3941]  ? stack_depot_save_flags (lib/stackdepot.c:609 (discriminator 2) lib/stackdepot.c:676 (discriminator 2))
[  228.378497][ T3941]  ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4116 (discriminator 3) kernel/rcu/tree.c:4108 (discriminator 3))
[  228.378499][ T3941]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380)
[  228.378501][ T3941]  ? validate_chain (kernel/locking/lockdep.c:3817 (discriminator 2) kernel/locking/lockdep.c:3837 (discriminator 2) kernel/locking/lockdep.c:3892 (discriminator 2))
[  228.378503][ T3941]  ? kasan_save_stack (mm/kasan/common.c:58)
[  228.378505][ T3941]  ? kasan_save_stack (mm/kasan/common.c:57)
[  228.378507][ T3941]  ? kasan_save_track (mm/kasan/common.c:78)
[  228.378508][ T3941]  ? __kasan_kmalloc (mm/kasan/common.c:398 mm/kasan/common.c:415)
[  228.378510][ T3941]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[  228.378512][ T3941]  ? snd_ac97_proc_read_main (sound/pci/ac97/ac97_proc.c:320)
[  228.378516][ T3941]  ? ___sys_sendmsg (net/socket.c:2758)
[  228.378520][ T3941]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2))
[  228.378522][ T3941]  ? rtnl_newlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:366 net/core/rtnetlink.c:4214)
[  228.378525][ T3941]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  228.378527][ T3941]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  228.378529][ T3941]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  228.378530][ T3941]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  228.378532][ T3941]  ? trace_contention_end (./include/trace/events/lock.h:121 (discriminator 22))
[  228.378534][ T3941]  ? __mutex_lock (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:3188 kernel/locking/mutex.c:89 kernel/locking/mutex.c:134 kernel/locking/mutex.c:649 kernel/locking/mutex.c:821)
[  228.378535][ T3941]  ? __mutex_lock (kernel/locking/mutex.c:656 (discriminator 1) kernel/locking/mutex.c:821 (discriminator 1))
[  228.378537][ T3941]  ? rtnl_newlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:366 net/core/rtnetlink.c:4214)
[  228.378541][ T3941]  ? ww_mutex_lock (kernel/locking/mutex.c:934)
[  228.378542][ T3941]  ? nla_get_range_signed (lib/nlattr.c:270)
[  228.378547][ T3941]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  228.378550][ T3941]  ? __rtnl_newlink (net/core/rtnetlink.c:4063)
[  228.378555][ T3941]  rtnl_newlink (net/core/rtnetlink.c:4215)
[  228.378561][ T3941]  ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558)
[  228.378566][ T3941]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[  228.378572][ T3941]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2))
[  228.378574][ T3941]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[  228.378576][ T3941]  ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558)
[  228.378578][ T3941]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554)
[  228.378582][ T3941]  ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558)
[  228.378584][ T3941]  rtnetlink_rcv_msg (net/core/rtnetlink.c:7132)
[  228.378588][ T3941]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[  228.378589][ T3941]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[  228.378594][ T3941]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2))
[  228.378596][ T3941]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[  228.378600][ T3941]  netlink_rcv_skb (net/netlink/af_netlink.c:2556)
[  228.378603][ T3941]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[  228.378606][ T3941]  ? netlink_ack (./include/linux/skbuff.h:2718)
[  228.378613][ T3941]  ? netlink_deliver_tap (./include/linux/rcupdate.h:319 (discriminator 2) ./include/linux/rcupdate.h:880 (discriminator 2) ./include/net/netns/generic.h:48 (discriminator 2) net/netlink/af_netlink.c:334 (discriminator 2))
[  228.378615][ T3941]  ? netlink_deliver_tap (./include/linux/rcupdate.h:319 (discriminator 2) ./include/linux/rcupdate.h:880 (discriminator 2) net/netlink/af_netlink.c:341 (discriminator 2))
[  228.378620][ T3941]  netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[  228.378624][ T3941]  ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[  228.378627][ T3941]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[  228.378631][ T3941]  netlink_sendmsg (net/netlink/af_netlink.c:1900)
[  228.378636][ T3941]  ? netlink_unicast (./include/net/net_namespace.h:422 (discriminator 7))
[  228.378640][ T3941]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554)
[  228.378641][ T3941]  ? __import_iovec (lib/iov_iter.c:1358 lib/iov_iter.c:1373)
[  228.378647][ T3941]  __sock_sendmsg (net/socket.c:800 (discriminator 4) net/socket.c:815 (discriminator 4))
[  228.378650][ T3941]  ____sys_sendmsg (net/socket.c:2713)
[  228.378652][ T3941]  ? copy_msghdr_from_user (net/socket.c:2650)
[  228.378655][ T3941]  ? sock_write_iter (net/socket.c:1269)
[  228.378656][ T3941]  ? move_addr_to_kernel (net/socket.c:258)
[  228.378664][ T3941]  ___sys_sendmsg (net/socket.c:2767)
[  228.378667][ T3941]  ? copy_msghdr_from_user (net/socket.c:2619)
[  228.378684][ T3941]  __sys_sendmsg (net/socket.c:2799)
[  228.378686][ T3941]  ? __sys_sendmsg_sock (net/socket.c:2780)
[  228.378693][ T3941]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  228.378696][ T3941]  do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84)
[  228.378699][ T3941]  ? exc_page_fault (arch/x86/mm/fault.c:1489 (discriminator 3) arch/x86/mm/fault.c:1536 (discriminator 3))
[  228.378702][ T3941]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[  228.378705][ T3941] RIP: 0033:0x7f03746d754e
[  228.378709][ T3941] Code: 4d 89 d8 e8 b4 bd 00 00 4c 8b 5d f8 41 8b 93 08 03 00 00 59 5e 48 83 f8 fc 74 11 c9 c3 0f 1f 80 00 00 00 00 48 8b 45 10 0f 05 <c9> c3 83 e2 39 83 fa 08 75 e7 e8 03 ff ff ff 0f 1f 00 f3 0f 1e fa
All code
========
   0:	4d 89 d8             	mov    %r11,%r8
   3:	e8 b4 bd 00 00       	call   0xbdbc
   8:	4c 8b 5d f8          	mov    -0x8(%rbp),%r11
   c:	41 8b 93 08 03 00 00 	mov    0x308(%r11),%edx
  13:	59                   	pop    %rcx
  14:	5e                   	pop    %rsi
  15:	48 83 f8 fc          	cmp    $0xfffffffffffffffc,%rax
  19:	74 11                	je     0x2c
  1b:	c9                   	leave
  1c:	c3                   	ret
  1d:	0f 1f 80 00 00 00 00 	nopl   0x0(%rax)
  24:	48 8b 45 10          	mov    0x10(%rbp),%rax
  28:	0f 05                	syscall
  2a:*	c9                   	leave		<-- trapping instruction
  2b:	c3                   	ret
  2c:	83 e2 39             	and    $0x39,%edx
  2f:	83 fa 08             	cmp    $0x8,%edx
  32:	75 e7                	jne    0x1b
  34:	e8 03 ff ff ff       	call   0xffffffffffffff3c
  39:	0f 1f 00             	nopl   (%rax)
  3c:	f3 0f 1e fa          	endbr64

Code starting with the faulting instruction
===========================================
   0:	c9                   	leave
   1:	c3                   	ret
   2:	83 e2 39             	and    $0x39,%edx
   5:	83 fa 08             	cmp    $0x8,%edx
   8:	75 e7                	jne    0xfffffffffffffff1
   a:	e8 03 ff ff ff       	call   0xffffffffffffff12
   f:	0f 1f 00             	nopl   (%rax)
  12:	f3 0f 1e fa          	endbr64
[  228.378711][ T3941] RSP: 002b:00007ffe2170a880 EFLAGS: 00000202 ORIG_RAX: 000000000000002e
[  228.378713][ T3941] RAX: ffffffffffffffda RBX: 0000000000000005 RCX: 00007f03746d754e
[  228.378715][ T3941] RDX: 0000000000000000 RSI: 00007ffe2170a930 RDI: 0000000000000005
[  228.378716][ T3941] RBP: 00007ffe2170a890 R08: 0000000000000000 R09: 0000000000000000
[  228.378717][ T3941] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a915192
[  228.378717][ T3941] R13: 00000000004a1620 R14: 0000000000000000 R15: 00007ffe2170b000
| [  306.958353][ T4928] softirqs last disabled at (16436): netif_change_name (./include/linux/spinlock.h:353 ./include/linux/seqlock.h:908 net/core/dev.c:1499)
| [  306.958357][ T4928] Preemption disabled at:
| [  306.958357][ T4928] vprintk_emit (kernel/printk/printk.c:2471)
| [  306.958366][ T4928] Tainted: [W]=WARN
[  306.958367][ T4928] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[  306.958369][ T4928] Call Trace:
[  306.958370][ T4928]  <TASK>
[  306.958372][ T4928]  dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120)
[  306.958378][ T4928]  ? vprintk_emit (kernel/printk/printk.c:2471)
[  306.958380][ T4928]  __might_resched.cold (kernel/sched/core.c:9234)
[  306.958384][ T4928]  ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3))
[  306.958389][ T4928]  ? __kmalloc_noprof (./include/linux/sched/mm.h:317 mm/slub.c:4636 mm/slub.c:4974 mm/slub.c:5413 mm/slub.c:5439)
[  306.958393][ T4928]  __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))
[  306.958395][ T4928]  ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[  306.958402][ T4928]  ? 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)
[  306.958405][ T4928]  alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[  306.958409][ T4928]  put_chars (drivers/char/virtio_console.c:1176)
[  306.958412][ T4928]  ? __send_to_port (drivers/char/virtio_console.c:654)
[  306.958418][ T4928]  hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2))
[  306.958427][ T4928]  ? hvc_write (drivers/tty/hvc/hvc_console.c:501)
[  306.958430][ T4928]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  306.958435][ T4928]  console_emit_next_record (kernel/printk/printk.c:3183)
[  306.958439][ T4928]  ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20)
[  306.958441][ T4928]  ? 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))
[  306.958444][ T4928]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  306.958447][ T4928]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  306.958451][ T4928]  console_flush_one_record (kernel/printk/printk.c:3268)
[  306.958455][ T4928]  ? console_emit_next_record (kernel/printk/printk.c:3150)
[  306.958457][ T4928]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[  306.958463][ T4928]  console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420)
[  306.958466][ T4928]  ? console_flush_one_record (kernel/printk/printk.c:3316)
[  306.958468][ T4928]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  306.958470][ T4928]  ? 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)
[  306.958474][ T4928]  ? __down_trylock_console_sem (kernel/printk/printk.c:334)
[  306.958476][ T4928]  ? vprintk_emit (kernel/printk/printk.c:2478)
[  306.958478][ T4928]  vprintk_emit (kernel/printk/printk.c:2479)
[  306.958482][ T4928]  ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126))
[  306.958485][ T4928]  ? _mutex_trylock_nest_lock (kernel/locking/mutex.c:1227 (discriminator 6))
[  306.958490][ T4928]  _printk (kernel/printk/printk.c:2504)
[  306.958494][ T4928]  ? snapshot_read.cold (user.c:?)
[  306.958495][ T4928]  ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4116 (discriminator 3) kernel/rcu/tree.c:4108 (discriminator 3))
[  306.958498][ T4928]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380)
[  306.958501][ T4928]  ? validate_chain (kernel/locking/lockdep.c:3817 (discriminator 2) kernel/locking/lockdep.c:3837 (discriminator 2) kernel/locking/lockdep.c:3892 (discriminator 2))
[  306.958503][ T4928]  ? netdev_name (./include/linux/netdevice.h:5709 (discriminator 1))
[  306.958507][ T4928]  ? __netdev_printk (net/core/dev.c:13148 (discriminator 2))
[  306.958510][ T4928]  ? do_setlink.isra.0 (net/core/rtnetlink.c:3246)
[  306.958512][ T4928]  netdev_info (net/core/dev.c:13195 (discriminator 3))
[  306.958515][ T4928]  ? netdev_notice (net/core/dev.c:13194)
[  306.958518][ T4928]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[  306.958521][ T4928]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554)
[  306.958524][ T4928]  ? mark_held_locks (kernel/locking/lockdep.c:4341)
[  306.958528][ T4928]  ? do_setlink.isra.0 (net/core/rtnetlink.c:3246)
[  306.958530][ T4928]  netif_change_name.cold (net/core/dev.c:1507 (discriminator 3))
[  306.958532][ T4928]  ? register_netdev (net/core/dev.c:11618)
[  306.958534][ T4928]  ? 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))
[  306.958539][ T4928]  ? netdev_adjacent_rename_links (net/core/dev.c:9598)
[  306.958542][ T4928]  ? __kernel_text_address (kernel/extable.c:79)
[  306.958544][ T4928]  ? write_profile (profile.c:?)
[  306.958548][ T4928]  ? __asan_memset (mm/kasan/shadow.c:84 (discriminator 1))
[  306.958555][ T4928]  do_setlink.isra.0 (net/core/rtnetlink.c:3246)
[  306.958558][ T4928]  ? stack_trace_save (kernel/stacktrace.c:122 (discriminator 1))
[  306.958560][ T4928]  ? rtnl_link_get_size (net/core/rtnetlink.c:747)
[  306.958566][ T4928]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:388 kernel/rcu/update.c:380)
[  306.958568][ T4928]  ? stack_depot_save_flags (lib/stackdepot.c:609 (discriminator 2) lib/stackdepot.c:676 (discriminator 2))
[  306.958572][ T4928]  ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4116 (discriminator 3) kernel/rcu/tree.c:4108 (discriminator 3))
[  306.958574][ T4928]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380)
[  306.958576][ T4928]  ? validate_chain (kernel/locking/lockdep.c:3817 (discriminator 2) kernel/locking/lockdep.c:3837 (discriminator 2) kernel/locking/lockdep.c:3892 (discriminator 2))
[  306.958578][ T4928]  ? kasan_save_stack (mm/kasan/common.c:58)
[  306.958580][ T4928]  ? kasan_save_stack (mm/kasan/common.c:57)
[  306.958581][ T4928]  ? kasan_save_track (mm/kasan/common.c:78)
[  306.958583][ T4928]  ? __kasan_kmalloc (mm/kasan/common.c:398 mm/kasan/common.c:415)
[  306.958585][ T4928]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[  306.958587][ T4928]  ? snd_ac97_proc_read_main (sound/pci/ac97/ac97_proc.c:320)
[  306.958590][ T4928]  ? ___sys_sendmsg (net/socket.c:2758)
[  306.958594][ T4928]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2))
[  306.958596][ T4928]  ? rtnl_newlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:366 net/core/rtnetlink.c:4214)
[  306.958599][ T4928]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  306.958601][ T4928]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  306.958603][ T4928]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  306.958604][ T4928]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  306.958606][ T4928]  ? trace_contention_end (./include/trace/events/lock.h:121 (discriminator 22))
[  306.958608][ T4928]  ? __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)
[  306.958609][ T4928]  ? __mutex_lock (kernel/locking/mutex.c:656 (discriminator 1) kernel/locking/mutex.c:821 (discriminator 1))
[  306.958611][ T4928]  ? rtnl_newlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:366 net/core/rtnetlink.c:4214)
[  306.958615][ T4928]  ? ww_mutex_lock (kernel/locking/mutex.c:934)
[  306.958616][ T4928]  ? nla_get_range_signed (lib/nlattr.c:270)
[  306.958621][ T4928]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  306.958623][ T4928]  ? __rtnl_newlink (net/core/rtnetlink.c:4063)
[  306.958629][ T4928]  rtnl_newlink (net/core/rtnetlink.c:4215)
[  306.958634][ T4928]  ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558)
[  306.958636][ T4928]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[  306.958641][ T4928]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2))
[  306.958643][ T4928]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[  306.958645][ T4928]  ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558)
[  306.958647][ T4928]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554)
[  306.958651][ T4928]  ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558)
[  306.958653][ T4928]  rtnetlink_rcv_msg (net/core/rtnetlink.c:7132)
[  306.958656][ T4928]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[  306.958658][ T4928]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[  306.958663][ T4928]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2))
[  306.958665][ T4928]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[  306.958668][ T4928]  netlink_rcv_skb (net/netlink/af_netlink.c:2556)
[  306.958672][ T4928]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[  306.958675][ T4928]  ? netlink_ack (./include/linux/skbuff.h:2718)
[  306.958682][ T4928]  ? 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))
[  306.958684][ T4928]  ? 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))
[  306.958689][ T4928]  netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[  306.958693][ T4928]  ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[  306.958696][ T4928]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[  306.958700][ T4928]  netlink_sendmsg (net/netlink/af_netlink.c:1900)
[  306.958704][ T4928]  ? netlink_unicast (./include/net/net_namespace.h:422 (discriminator 7))
[  306.958708][ T4928]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554)
[  306.958710][ T4928]  ? __import_iovec (lib/iov_iter.c:1358 lib/iov_iter.c:1373)
[  306.958716][ T4928]  __sock_sendmsg (net/socket.c:800 (discriminator 4) net/socket.c:815 (discriminator 4))
[  306.958719][ T4928]  ____sys_sendmsg (net/socket.c:2713)
[  306.958721][ T4928]  ? copy_msghdr_from_user (net/socket.c:2650)
[  306.958723][ T4928]  ? sock_write_iter (net/socket.c:1269)
[  306.958725][ T4928]  ? move_addr_to_kernel (net/socket.c:258)
[  306.958733][ T4928]  ___sys_sendmsg (net/socket.c:2767)
[  306.958736][ T4928]  ? copy_msghdr_from_user (net/socket.c:2619)
[  306.958753][ T4928]  __sys_sendmsg (net/socket.c:2799)
[  306.958756][ T4928]  ? __sys_sendmsg_sock (net/socket.c:2780)
[  306.958762][ T4928]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  306.958766][ T4928]  do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84)
[  306.958769][ T4928]  ? exc_page_fault (arch/x86/mm/fault.c:1489 (discriminator 3) arch/x86/mm/fault.c:1536 (discriminator 3))
[  306.958772][ T4928]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[  306.958774][ T4928] RIP: 0033:0x7fc5b47c854e
[  306.958778][ T4928] 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
[  306.958780][ T4928] RSP: 002b:00007ffeb209d450 EFLAGS: 00000202 ORIG_RAX: 000000000000002e
[  306.958783][ T4928] RAX: ffffffffffffffda RBX: 0000000000000005 RCX: 00007fc5b47c854e
[  306.958785][ T4928] RDX: 0000000000000000 RSI: 00007ffeb209d500 RDI: 0000000000000005
[  306.958785][ T4928] RBP: 00007ffeb209d460 R08: 0000000000000000 R09: 0000000000000000
[  306.958786][ T4928] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a9151e1
[  306.958787][ T4928] R13: 00000000004a1620 R14: 0000000000000000 R15: 00007ffeb209dbd0
| [  420.903273][ T6556] softirqs last disabled at (23816): netif_change_name (./include/linux/spinlock.h:353 ./include/linux/seqlock.h:908 net/core/dev.c:1499)
| [  420.903276][ T6556] Preemption disabled at:
| [  420.903276][ T6556] vprintk_emit (kernel/printk/printk.c:2471)
| [  420.903285][ T6556] Tainted: [W]=WARN
[  420.903286][ T6556] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[  420.903288][ T6556] Call Trace:
[  420.903290][ T6556]  <TASK>
[  420.903291][ T6556]  dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120)
[  420.903297][ T6556]  ? vprintk_emit (kernel/printk/printk.c:2471)
[  420.903299][ T6556]  __might_resched.cold (kernel/sched/core.c:9234)
[  420.903304][ T6556]  ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3))
[  420.903308][ T6556]  ? __kmalloc_noprof (./include/linux/sched/mm.h:317 mm/slub.c:4636 mm/slub.c:4974 mm/slub.c:5413 mm/slub.c:5439)
[  420.903313][ T6556]  __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))
[  420.903317][ T6556]  ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[  420.903327][ T6556]  ? 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)
[  420.903331][ T6556]  alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[  420.903337][ T6556]  put_chars (drivers/char/virtio_console.c:1176)
[  420.903340][ T6556]  ? __send_to_port (drivers/char/virtio_console.c:654)
[  420.903347][ T6556]  hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2))
[  420.903355][ T6556]  ? hvc_write (drivers/tty/hvc/hvc_console.c:501)
[  420.903359][ T6556]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  420.903364][ T6556]  console_emit_next_record (kernel/printk/printk.c:3183)
[  420.903368][ T6556]  ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20)
[  420.903370][ T6556]  ? 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))
[  420.903374][ T6556]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  420.903376][ T6556]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  420.903381][ T6556]  console_flush_one_record (kernel/printk/printk.c:3268)
[  420.903385][ T6556]  ? console_emit_next_record (kernel/printk/printk.c:3150)
[  420.903387][ T6556]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[  420.903393][ T6556]  console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420)
[  420.903396][ T6556]  ? console_flush_one_record (kernel/printk/printk.c:3316)
[  420.903398][ T6556]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  420.903399][ T6556]  ? 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)
[  420.903403][ T6556]  ? __down_trylock_console_sem (kernel/printk/printk.c:334)
[  420.903405][ T6556]  ? vprintk_emit (kernel/printk/printk.c:2478)
[  420.903408][ T6556]  vprintk_emit (kernel/printk/printk.c:2479)
[  420.903411][ T6556]  ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126))
[  420.903414][ T6556]  ? _mutex_trylock_nest_lock (kernel/locking/mutex.c:1227 (discriminator 6))
[  420.903419][ T6556]  _printk (kernel/printk/printk.c:2504)
[  420.903423][ T6556]  ? snapshot_read.cold (user.c:?)
[  420.903425][ T6556]  ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4116 (discriminator 3) kernel/rcu/tree.c:4108 (discriminator 3))
[  420.903428][ T6556]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380)
[  420.903431][ T6556]  ? validate_chain (kernel/locking/lockdep.c:3817 (discriminator 2) kernel/locking/lockdep.c:3837 (discriminator 2) kernel/locking/lockdep.c:3892 (discriminator 2))
[  420.903433][ T6556]  ? netdev_name (./include/linux/netdevice.h:5709 (discriminator 1))
[  420.903437][ T6556]  ? __netdev_printk (net/core/dev.c:13148 (discriminator 2))
[  420.903440][ T6556]  ? do_setlink.isra.0 (net/core/rtnetlink.c:3246)
[  420.903442][ T6556]  netdev_info (net/core/dev.c:13195 (discriminator 3))
[  420.903445][ T6556]  ? netdev_notice (net/core/dev.c:13194)
[  420.903448][ T6556]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[  420.903451][ T6556]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554)
[  420.903454][ T6556]  ? mark_held_locks (kernel/locking/lockdep.c:4341)
[  420.903457][ T6556]  ? do_setlink.isra.0 (net/core/rtnetlink.c:3246)
[  420.903460][ T6556]  netif_change_name.cold (net/core/dev.c:1507 (discriminator 3))
[  420.903462][ T6556]  ? register_netdev (net/core/dev.c:11618)
[  420.903464][ T6556]  ? 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))
[  420.903469][ T6556]  ? netdev_adjacent_rename_links (net/core/dev.c:9598)
[  420.903472][ T6556]  ? __kernel_text_address (kernel/extable.c:79)
[  420.903475][ T6556]  ? write_profile (profile.c:?)
[  420.903479][ T6556]  ? __asan_memset (mm/kasan/shadow.c:84 (discriminator 1))
[  420.903485][ T6556]  do_setlink.isra.0 (net/core/rtnetlink.c:3246)
[  420.903489][ T6556]  ? stack_trace_save (kernel/stacktrace.c:122 (discriminator 1))
[  420.903491][ T6556]  ? rtnl_link_get_size (net/core/rtnetlink.c:747)
[  420.903492][ T6556]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:388 kernel/rcu/update.c:380)
[  420.903494][ T6556]  ? stack_depot_save_flags (lib/stackdepot.c:609 (discriminator 2) lib/stackdepot.c:676 (discriminator 2))
[  420.903498][ T6556]  ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4116 (discriminator 3) kernel/rcu/tree.c:4108 (discriminator 3))
[  420.903500][ T6556]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380)
[  420.903502][ T6556]  ? validate_chain (kernel/locking/lockdep.c:3817 (discriminator 2) kernel/locking/lockdep.c:3837 (discriminator 2) kernel/locking/lockdep.c:3892 (discriminator 2))
[  420.903504][ T6556]  ? kasan_save_stack (mm/kasan/common.c:58)
[  420.903506][ T6556]  ? kasan_save_stack (mm/kasan/common.c:57)
[  420.903508][ T6556]  ? kasan_save_track (mm/kasan/common.c:78)
[  420.903509][ T6556]  ? __kasan_kmalloc (mm/kasan/common.c:398 mm/kasan/common.c:415)
[  420.903512][ T6556]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[  420.903514][ T6556]  ? snd_ac97_proc_read_main (sound/pci/ac97/ac97_proc.c:320)
[  420.903517][ T6556]  ? ___sys_sendmsg (net/socket.c:2758)
[  420.903521][ T6556]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2))
[  420.903523][ T6556]  ? rtnl_newlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:366 net/core/rtnetlink.c:4214)
[  420.903526][ T6556]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  420.903528][ T6556]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  420.903529][ T6556]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  420.903530][ T6556]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  420.903532][ T6556]  ? trace_contention_end (./include/trace/events/lock.h:121 (discriminator 22))
[  420.903535][ T6556]  ? __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)
[  420.903536][ T6556]  ? __mutex_lock (kernel/locking/mutex.c:656 (discriminator 1) kernel/locking/mutex.c:821 (discriminator 1))
[  420.903538][ T6556]  ? rtnl_newlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:366 net/core/rtnetlink.c:4214)
[  420.903549][ T6556]  ? ww_mutex_lock (kernel/locking/mutex.c:934)
[  420.903550][ T6556]  ? nla_get_range_signed (lib/nlattr.c:270)
[  420.903555][ T6556]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  420.903558][ T6556]  ? __rtnl_newlink (net/core/rtnetlink.c:4063)
[  420.903568][ T6556]  rtnl_newlink (net/core/rtnetlink.c:4215)
[  420.903574][ T6556]  ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558)
[  420.903576][ T6556]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[  420.903580][ T6556]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2))
[  420.903583][ T6556]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[  420.903585][ T6556]  ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558)
[  420.903586][ T6556]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554)
[  420.903590][ T6556]  ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558)
[  420.903593][ T6556]  rtnetlink_rcv_msg (net/core/rtnetlink.c:7132)
[  420.903596][ T6556]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[  420.903597][ T6556]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[  420.903602][ T6556]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2))
[  420.903604][ T6556]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[  420.903608][ T6556]  netlink_rcv_skb (net/netlink/af_netlink.c:2556)
[  420.903612][ T6556]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[  420.903615][ T6556]  ? netlink_ack (./include/linux/skbuff.h:2718)
[  420.903622][ T6556]  ? 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))
[  420.903624][ T6556]  ? 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))
[  420.903629][ T6556]  netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[  420.903633][ T6556]  ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[  420.903636][ T6556]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[  420.903641][ T6556]  netlink_sendmsg (net/netlink/af_netlink.c:1900)
[  420.903645][ T6556]  ? netlink_unicast (./include/net/net_namespace.h:422 (discriminator 7))
[  420.903649][ T6556]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554)
[  420.903651][ T6556]  ? __import_iovec (lib/iov_iter.c:1358 lib/iov_iter.c:1373)
[  420.903656][ T6556]  __sock_sendmsg (net/socket.c:800 (discriminator 4) net/socket.c:815 (discriminator 4))
[  420.903659][ T6556]  ____sys_sendmsg (net/socket.c:2713)
[  420.903662][ T6556]  ? copy_msghdr_from_user (net/socket.c:2650)
[  420.903664][ T6556]  ? sock_write_iter (net/socket.c:1269)
[  420.903666][ T6556]  ? move_addr_to_kernel (net/socket.c:258)
[  420.903674][ T6556]  ___sys_sendmsg (net/socket.c:2767)
[  420.903677][ T6556]  ? copy_msghdr_from_user (net/socket.c:2619)
[  420.903693][ T6556]  __sys_sendmsg (net/socket.c:2799)
[  420.903696][ T6556]  ? __sys_sendmsg_sock (net/socket.c:2780)
[  420.903703][ T6556]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  420.903706][ T6556]  do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84)
[  420.903710][ T6556]  ? exc_page_fault (arch/x86/mm/fault.c:1489 (discriminator 3) arch/x86/mm/fault.c:1536 (discriminator 3))
[  420.903713][ T6556]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[  420.903715][ T6556] RIP: 0033:0x7fce7d37a54e
[  420.903720][ T6556] 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
[  420.903721][ T6556] RSP: 002b:00007fffe69e8610 EFLAGS: 00000202 ORIG_RAX: 000000000000002e
[  420.903724][ T6556] RAX: ffffffffffffffda RBX: 0000000000000005 RCX: 00007fce7d37a54e
[  420.903726][ T6556] RDX: 0000000000000000 RSI: 00007fffe69e86c0 RDI: 0000000000000005
[  420.903727][ T6556] RBP: 00007fffe69e8620 R08: 0000000000000000 R09: 0000000000000000
[  420.903728][ T6556] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a915253
[  420.903729][ T6556] R13: 00000000004a1620 R14: 0000000000000000 R15: 00007fffe69e8d90
| [  446.364247][ T7369] softirqs last disabled at (19676): netif_change_name (./include/linux/spinlock.h:353 ./include/linux/seqlock.h:908 net/core/dev.c:1499)
| [  446.364250][ T7369] Preemption disabled at:
| [  446.364251][ T7369] vprintk_emit (kernel/printk/printk.c:2471)
| [  446.364260][ T7369] Tainted: [W]=WARN
[  446.364261][ T7369] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[  446.364263][ T7369] Call Trace:
[  446.364265][ T7369]  <TASK>
[  446.364266][ T7369]  dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120)
[  446.364272][ T7369]  ? vprintk_emit (kernel/printk/printk.c:2471)
[  446.364274][ T7369]  __might_resched.cold (kernel/sched/core.c:9234)
[  446.364279][ T7369]  ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3))
[  446.364283][ T7369]  ? __kmalloc_noprof (./include/linux/sched/mm.h:317 mm/slub.c:4636 mm/slub.c:4974 mm/slub.c:5413 mm/slub.c:5439)
[  446.364288][ T7369]  __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))
[  446.364290][ T7369]  ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[  446.364297][ T7369]  ? 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)
[  446.364300][ T7369]  alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[  446.364304][ T7369]  put_chars (drivers/char/virtio_console.c:1176)
[  446.364306][ T7369]  ? __send_to_port (drivers/char/virtio_console.c:654)
[  446.364313][ T7369]  hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2))
[  446.364325][ T7369]  ? hvc_write (drivers/tty/hvc/hvc_console.c:501)
[  446.364328][ T7369]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  446.364333][ T7369]  console_emit_next_record (kernel/printk/printk.c:3183)
[  446.364337][ T7369]  ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20)
[  446.364339][ T7369]  ? 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))
[  446.364343][ T7369]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  446.364346][ T7369]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  446.364350][ T7369]  console_flush_one_record (kernel/printk/printk.c:3268)
[  446.364354][ T7369]  ? console_emit_next_record (kernel/printk/printk.c:3150)
[  446.364356][ T7369]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[  446.364362][ T7369]  console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420)
[  446.364365][ T7369]  ? console_flush_one_record (kernel/printk/printk.c:3316)
[  446.364367][ T7369]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  446.364369][ T7369]  ? 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)
[  446.364373][ T7369]  ? __down_trylock_console_sem (kernel/printk/printk.c:334)
[  446.364374][ T7369]  ? vprintk_emit (kernel/printk/printk.c:2478)
[  446.364377][ T7369]  vprintk_emit (kernel/printk/printk.c:2479)
[  446.364381][ T7369]  ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126))
[  446.364384][ T7369]  ? _mutex_trylock_nest_lock (kernel/locking/mutex.c:1227 (discriminator 6))
[  446.364389][ T7369]  _printk (kernel/printk/printk.c:2504)
[  446.364393][ T7369]  ? snapshot_read.cold (user.c:?)
[  446.364394][ T7369]  ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4116 (discriminator 3) kernel/rcu/tree.c:4108 (discriminator 3))
[  446.364397][ T7369]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380)
[  446.364400][ T7369]  ? validate_chain (kernel/locking/lockdep.c:3817 (discriminator 2) kernel/locking/lockdep.c:3837 (discriminator 2) kernel/locking/lockdep.c:3892 (discriminator 2))
[  446.364403][ T7369]  ? netdev_name (./include/linux/netdevice.h:5709 (discriminator 1))
[  446.364407][ T7369]  ? __netdev_printk (net/core/dev.c:13148 (discriminator 2))
[  446.364410][ T7369]  ? do_setlink.isra.0 (net/core/rtnetlink.c:3246)
[  446.364412][ T7369]  netdev_info (net/core/dev.c:13195 (discriminator 3))
[  446.364415][ T7369]  ? netdev_notice (net/core/dev.c:13194)
[  446.364418][ T7369]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[  446.364421][ T7369]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554)
[  446.364424][ T7369]  ? mark_held_locks (kernel/locking/lockdep.c:4341)
[  446.364427][ T7369]  ? do_setlink.isra.0 (net/core/rtnetlink.c:3246)
[  446.364429][ T7369]  netif_change_name.cold (net/core/dev.c:1507 (discriminator 3))
[  446.364432][ T7369]  ? register_netdev (net/core/dev.c:11618)
[  446.364433][ T7369]  ? 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))
[  446.364439][ T7369]  ? netdev_adjacent_rename_links (net/core/dev.c:9598)
[  446.364441][ T7369]  ? __kernel_text_address (kernel/extable.c:79)
[  446.364444][ T7369]  ? write_profile (profile.c:?)
[  446.364448][ T7369]  ? __asan_memset (mm/kasan/shadow.c:84 (discriminator 1))
[  446.364454][ T7369]  do_setlink.isra.0 (net/core/rtnetlink.c:3246)
[  446.364458][ T7369]  ? stack_trace_save (kernel/stacktrace.c:122 (discriminator 1))
[  446.364460][ T7369]  ? rtnl_link_get_size (net/core/rtnetlink.c:747)
[  446.364461][ T7369]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:388 kernel/rcu/update.c:380)
[  446.364463][ T7369]  ? stack_depot_save_flags (lib/stackdepot.c:609 (discriminator 2) lib/stackdepot.c:676 (discriminator 2))
[  446.364467][ T7369]  ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4116 (discriminator 3) kernel/rcu/tree.c:4108 (discriminator 3))
[  446.364469][ T7369]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380)
[  446.364471][ T7369]  ? validate_chain (kernel/locking/lockdep.c:3817 (discriminator 2) kernel/locking/lockdep.c:3837 (discriminator 2) kernel/locking/lockdep.c:3892 (discriminator 2))
[  446.364473][ T7369]  ? kasan_save_stack (mm/kasan/common.c:58)
[  446.364475][ T7369]  ? kasan_save_stack (mm/kasan/common.c:57)
[  446.364477][ T7369]  ? kasan_save_track (mm/kasan/common.c:78)
[  446.364478][ T7369]  ? __kasan_kmalloc (mm/kasan/common.c:398 mm/kasan/common.c:415)
[  446.364480][ T7369]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[  446.364482][ T7369]  ? snd_ac97_proc_read_main (sound/pci/ac97/ac97_proc.c:320)
[  446.364486][ T7369]  ? ___sys_sendmsg (net/socket.c:2758)
[  446.364490][ T7369]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2))
[  446.364492][ T7369]  ? rtnl_newlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:366 net/core/rtnetlink.c:4214)
[  446.364495][ T7369]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  446.364497][ T7369]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  446.364498][ T7369]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  446.364499][ T7369]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  446.364501][ T7369]  ? trace_contention_end (./include/trace/events/lock.h:121 (discriminator 22))
[  446.364504][ T7369]  ? __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)
[  446.364505][ T7369]  ? __mutex_lock (kernel/locking/mutex.c:656 (discriminator 1) kernel/locking/mutex.c:821 (discriminator 1))
[  446.364507][ T7369]  ? rtnl_newlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:366 net/core/rtnetlink.c:4214)
[  446.364511][ T7369]  ? ww_mutex_lock (kernel/locking/mutex.c:934)
[  446.364512][ T7369]  ? nla_get_range_signed (lib/nlattr.c:270)
[  446.364517][ T7369]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  446.364519][ T7369]  ? __rtnl_newlink (net/core/rtnetlink.c:4063)
[  446.364525][ T7369]  rtnl_newlink (net/core/rtnetlink.c:4215)
[  446.364530][ T7369]  ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558)
[  446.364532][ T7369]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[  446.364537][ T7369]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2))
[  446.364539][ T7369]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[  446.364541][ T7369]  ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558)
[  446.364543][ T7369]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554)
[  446.364547][ T7369]  ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558)
[  446.364549][ T7369]  rtnetlink_rcv_msg (net/core/rtnetlink.c:7132)
[  446.364553][ T7369]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[  446.364554][ T7369]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[  446.364559][ T7369]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2))
[  446.364561][ T7369]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[  446.364569][ T7369]  netlink_rcv_skb (net/netlink/af_netlink.c:2556)
[  446.364572][ T7369]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[  446.364575][ T7369]  ? netlink_ack (./include/linux/skbuff.h:2718)
[  446.364582][ T7369]  ? 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))
[  446.364584][ T7369]  ? 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))
[  446.364589][ T7369]  netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[  446.364593][ T7369]  ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[  446.364596][ T7369]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[  446.364601][ T7369]  netlink_sendmsg (net/netlink/af_netlink.c:1900)
[  446.364605][ T7369]  ? netlink_unicast (./include/net/net_namespace.h:422 (discriminator 7))
[  446.364609][ T7369]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554)
[  446.364611][ T7369]  ? __import_iovec (lib/iov_iter.c:1358 lib/iov_iter.c:1373)
[  446.364616][ T7369]  __sock_sendmsg (net/socket.c:800 (discriminator 4) net/socket.c:815 (discriminator 4))
[  446.364619][ T7369]  ____sys_sendmsg (net/socket.c:2713)
[  446.364621][ T7369]  ? copy_msghdr_from_user (net/socket.c:2650)
[  446.364624][ T7369]  ? sock_write_iter (net/socket.c:1269)
[  446.364625][ T7369]  ? move_addr_to_kernel (net/socket.c:258)
[  446.364634][ T7369]  ___sys_sendmsg (net/socket.c:2767)
[  446.364636][ T7369]  ? copy_msghdr_from_user (net/socket.c:2619)
[  446.364653][ T7369]  __sys_sendmsg (net/socket.c:2799)
[  446.364656][ T7369]  ? __sys_sendmsg_sock (net/socket.c:2780)
[  446.364663][ T7369]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  446.364666][ T7369]  do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84)
[  446.364669][ T7369]  ? exc_page_fault (arch/x86/mm/fault.c:1489 (discriminator 3) arch/x86/mm/fault.c:1536 (discriminator 3))
[  446.364672][ T7369]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[  446.364674][ T7369] RIP: 0033:0x7fdfdc4cb54e
[  446.364678][ T7369] 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
[  446.364680][ T7369] RSP: 002b:00007ffd73106000 EFLAGS: 00000202 ORIG_RAX: 000000000000002e
[  446.364689][ T7369] RAX: ffffffffffffffda RBX: 0000000000000005 RCX: 00007fdfdc4cb54e
[  446.364690][ T7369] RDX: 0000000000000000 RSI: 00007ffd731060b0 RDI: 0000000000000005
[  446.364691][ T7369] RBP: 00007ffd73106010 R08: 0000000000000000 R09: 0000000000000000
[  446.364692][ T7369] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a91526c
[  446.364693][ T7369] R13: 00000000004a1620 R14: 0000000000000000 R15: 00007ffd73106780
| [  455.861165][ T7617] softirqs last disabled at (24966): netif_change_name (./include/linux/spinlock.h:353 ./include/linux/seqlock.h:908 net/core/dev.c:1499)
| [  455.861168][ T7617] Preemption disabled at:
| [  455.861169][ T7617] vprintk_emit (kernel/printk/printk.c:2471)
| [  455.861177][ T7617] Tainted: [W]=WARN
[  455.861178][ T7617] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[  455.861180][ T7617] Call Trace:
[  455.861181][ T7617]  <TASK>
[  455.861183][ T7617]  dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120)
[  455.861189][ T7617]  ? vprintk_emit (kernel/printk/printk.c:2471)
[  455.861191][ T7617]  __might_resched.cold (kernel/sched/core.c:9234)
[  455.861196][ T7617]  ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3))
[  455.861200][ T7617]  ? __kmalloc_noprof (./include/linux/sched/mm.h:317 mm/slub.c:4636 mm/slub.c:4974 mm/slub.c:5413 mm/slub.c:5439)
[  455.861205][ T7617]  __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))
[  455.861206][ T7617]  ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[  455.861214][ T7617]  ? 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)
[  455.861217][ T7617]  alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[  455.861220][ T7617]  put_chars (drivers/char/virtio_console.c:1176)
[  455.861223][ T7617]  ? __send_to_port (drivers/char/virtio_console.c:654)
[  455.861230][ T7617]  hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2))
[  455.861238][ T7617]  ? hvc_write (drivers/tty/hvc/hvc_console.c:501)
[  455.861241][ T7617]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  455.861246][ T7617]  console_emit_next_record (kernel/printk/printk.c:3183)
[  455.861250][ T7617]  ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20)
[  455.861252][ T7617]  ? 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))
[  455.861256][ T7617]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  455.861259][ T7617]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  455.861263][ T7617]  console_flush_one_record (kernel/printk/printk.c:3268)
[  455.861267][ T7617]  ? console_emit_next_record (kernel/printk/printk.c:3150)
[  455.861269][ T7617]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[  455.861275][ T7617]  console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420)
[  455.861278][ T7617]  ? console_flush_one_record (kernel/printk/printk.c:3316)
[  455.861280][ T7617]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  455.861282][ T7617]  ? 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)
[  455.861286][ T7617]  ? __down_trylock_console_sem (kernel/printk/printk.c:334)
[  455.861288][ T7617]  ? vprintk_emit (kernel/printk/printk.c:2478)
[  455.861291][ T7617]  vprintk_emit (kernel/printk/printk.c:2479)
[  455.861294][ T7617]  ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126))
[  455.861297][ T7617]  ? _mutex_trylock_nest_lock (kernel/locking/mutex.c:1227 (discriminator 6))
[  455.861302][ T7617]  _printk (kernel/printk/printk.c:2504)
[  455.861306][ T7617]  ? snapshot_read.cold (user.c:?)
[  455.861307][ T7617]  ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4116 (discriminator 3) kernel/rcu/tree.c:4108 (discriminator 3))
[  455.861310][ T7617]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380)
[  455.861314][ T7617]  ? validate_chain (kernel/locking/lockdep.c:3817 (discriminator 2) kernel/locking/lockdep.c:3837 (discriminator 2) kernel/locking/lockdep.c:3892 (discriminator 2))
[  455.861318][ T7617]  ? netdev_name (./include/linux/netdevice.h:5709 (discriminator 1))
[  455.861323][ T7617]  ? __netdev_printk (net/core/dev.c:13148 (discriminator 2))
[  455.861327][ T7617]  ? do_setlink.isra.0 (net/core/rtnetlink.c:3246)
[  455.861329][ T7617]  netdev_info (net/core/dev.c:13195 (discriminator 3))
[  455.861332][ T7617]  ? netdev_notice (net/core/dev.c:13194)
[  455.861335][ T7617]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[  455.861338][ T7617]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554)
[  455.861341][ T7617]  ? mark_held_locks (kernel/locking/lockdep.c:4341)
[  455.861344][ T7617]  ? do_setlink.isra.0 (net/core/rtnetlink.c:3246)
[  455.861346][ T7617]  netif_change_name.cold (net/core/dev.c:1507 (discriminator 3))
[  455.861349][ T7617]  ? register_netdev (net/core/dev.c:11618)
[  455.861350][ T7617]  ? 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))
[  455.861356][ T7617]  ? netdev_adjacent_rename_links (net/core/dev.c:9598)
[  455.861358][ T7617]  ? __kernel_text_address (kernel/extable.c:79)
[  455.861361][ T7617]  ? write_profile (profile.c:?)
[  455.861365][ T7617]  ? __asan_memset (mm/kasan/shadow.c:84 (discriminator 1))
[  455.861371][ T7617]  do_setlink.isra.0 (net/core/rtnetlink.c:3246)
[  455.861375][ T7617]  ? stack_trace_save (kernel/stacktrace.c:122 (discriminator 1))
[  455.861377][ T7617]  ? rtnl_link_get_size (net/core/rtnetlink.c:747)
[  455.861379][ T7617]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:388 kernel/rcu/update.c:380)
[  455.861381][ T7617]  ? stack_depot_save_flags (lib/stackdepot.c:609 (discriminator 2) lib/stackdepot.c:676 (discriminator 2))
[  455.861384][ T7617]  ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4116 (discriminator 3) kernel/rcu/tree.c:4108 (discriminator 3))
[  455.861386][ T7617]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380)
[  455.861388][ T7617]  ? validate_chain (kernel/locking/lockdep.c:3817 (discriminator 2) kernel/locking/lockdep.c:3837 (discriminator 2) kernel/locking/lockdep.c:3892 (discriminator 2))
[  455.861391][ T7617]  ? kasan_save_stack (mm/kasan/common.c:58)
[  455.861393][ T7617]  ? kasan_save_stack (mm/kasan/common.c:57)
[  455.861394][ T7617]  ? kasan_save_track (mm/kasan/common.c:78)
[  455.861395][ T7617]  ? __kasan_kmalloc (mm/kasan/common.c:398 mm/kasan/common.c:415)
[  455.861398][ T7617]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[  455.861400][ T7617]  ? snd_ac97_proc_read_main (sound/pci/ac97/ac97_proc.c:320)
[  455.861403][ T7617]  ? ___sys_sendmsg (net/socket.c:2758)
[  455.861407][ T7617]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2))
[  455.861409][ T7617]  ? rtnl_newlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:366 net/core/rtnetlink.c:4214)
[  455.861412][ T7617]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  455.861414][ T7617]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  455.861415][ T7617]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  455.861417][ T7617]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  455.861418][ T7617]  ? trace_contention_end (./include/trace/events/lock.h:121 (discriminator 22))
[  455.861421][ T7617]  ? __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)
[  455.861422][ T7617]  ? __mutex_lock (kernel/locking/mutex.c:656 (discriminator 1) kernel/locking/mutex.c:821 (discriminator 1))
[  455.861424][ T7617]  ? rtnl_newlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:366 net/core/rtnetlink.c:4214)
[  455.861428][ T7617]  ? ww_mutex_lock (kernel/locking/mutex.c:934)
[  455.861429][ T7617]  ? nla_get_range_signed (lib/nlattr.c:270)
[  455.861434][ T7617]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  455.861436][ T7617]  ? __rtnl_newlink (net/core/rtnetlink.c:4063)
[  455.861442][ T7617]  rtnl_newlink (net/core/rtnetlink.c:4215)
[  455.861448][ T7617]  ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558)
[  455.861450][ T7617]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[  455.861454][ T7617]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2))
[  455.861456][ T7617]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[  455.861458][ T7617]  ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558)
[  455.861460][ T7617]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554)
[  455.861464][ T7617]  ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558)
[  455.861466][ T7617]  rtnetlink_rcv_msg (net/core/rtnetlink.c:7132)
[  455.861470][ T7617]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[  455.861471][ T7617]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[  455.861476][ T7617]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2))
[  455.861478][ T7617]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[  455.861482][ T7617]  netlink_rcv_skb (net/netlink/af_netlink.c:2556)
[  455.861485][ T7617]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[  455.861488][ T7617]  ? netlink_ack (./include/linux/skbuff.h:2718)
[  455.861495][ T7617]  ? 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))
[  455.861497][ T7617]  ? 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))
[  455.861502][ T7617]  netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[  455.861506][ T7617]  ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[  455.861509][ T7617]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[  455.861513][ T7617]  netlink_sendmsg (net/netlink/af_netlink.c:1900)
[  455.861518][ T7617]  ? netlink_unicast (./include/net/net_namespace.h:422 (discriminator 7))
[  455.861522][ T7617]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554)
[  455.861523][ T7617]  ? __import_iovec (lib/iov_iter.c:1358 lib/iov_iter.c:1373)
[  455.861529][ T7617]  __sock_sendmsg (net/socket.c:800 (discriminator 4) net/socket.c:815 (discriminator 4))
[  455.861532][ T7617]  ____sys_sendmsg (net/socket.c:2713)
[  455.861534][ T7617]  ? copy_msghdr_from_user (net/socket.c:2650)
[  455.861536][ T7617]  ? sock_write_iter (net/socket.c:1269)
[  455.861538][ T7617]  ? move_addr_to_kernel (net/socket.c:258)
[  455.861546][ T7617]  ___sys_sendmsg (net/socket.c:2767)
[  455.861549][ T7617]  ? copy_msghdr_from_user (net/socket.c:2619)
[  455.861569][ T7617]  __sys_sendmsg (net/socket.c:2799)
[  455.861573][ T7617]  ? __sys_sendmsg_sock (net/socket.c:2780)
[  455.861579][ T7617]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  455.861582][ T7617]  do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84)
[  455.861586][ T7617]  ? exc_page_fault (arch/x86/mm/fault.c:1489 (discriminator 3) arch/x86/mm/fault.c:1536 (discriminator 3))
[  455.861589][ T7617]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[  455.861591][ T7617] RIP: 0033:0x7f1acc6ed54e
[  455.861595][ T7617] 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
[  455.861597][ T7617] RSP: 002b:00007ffe5b8b79c0 EFLAGS: 00000202 ORIG_RAX: 000000000000002e
[  455.861600][ T7617] RAX: ffffffffffffffda RBX: 0000000000000005 RCX: 00007f1acc6ed54e
[  455.861602][ T7617] RDX: 0000000000000000 RSI: 00007ffe5b8b7a70 RDI: 0000000000000005
[  455.861602][ T7617] RBP: 00007ffe5b8b79d0 R08: 0000000000000000 R09: 0000000000000000
[  455.861603][ T7617] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a915276
[  455.861604][ T7617] R13: 00000000004a1620 R14: 0000000000000000 R15: 00007ffe5b8b8140
| [  468.950291][ T7968] softirqs last disabled at (25108): netif_change_name (./include/linux/spinlock.h:353 ./include/linux/seqlock.h:908 net/core/dev.c:1499)
| [  468.950293][ T7968] Preemption disabled at:
| [  468.950294][ T7968] vprintk_emit (kernel/printk/printk.c:2471)
| [  468.950303][ T7968] Tainted: [W]=WARN
[  468.950304][ T7968] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[  468.950305][ T7968] Call Trace:
[  468.950307][ T7968]  <TASK>
[  468.950308][ T7968]  dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120)
[  468.950316][ T7968]  ? vprintk_emit (kernel/printk/printk.c:2471)
[  468.950319][ T7968]  __might_resched.cold (kernel/sched/core.c:9234)
[  468.950324][ T7968]  ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3))
[  468.950329][ T7968]  ? __kmalloc_noprof (./include/linux/sched/mm.h:317 mm/slub.c:4636 mm/slub.c:4974 mm/slub.c:5413 mm/slub.c:5439)
[  468.950333][ T7968]  __kmalloc_noprof (./include/linux/sched/mm.h:322 (discriminator 2) mm/slub.c:4636 (discriminator 2) mm/slub.c:4974 (discriminator 2) mm/slub.c:5413 (discriminator 2) mm/slub.c:5439 (discriminator 2))
[  468.950335][ T7968]  ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[  468.950342][ T7968]  ? do_raw_spin_unlock (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:32 ./include/asm-generic/qspinlock.h:58 kernel/locking/spinlock_debug.c:101 kernel/locking/spinlock_debug.c:141)
[  468.950345][ T7968]  alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[  468.950349][ T7968]  put_chars (drivers/char/virtio_console.c:1176)
[  468.950352][ T7968]  ? __send_to_port (drivers/char/virtio_console.c:654)
[  468.950358][ T7968]  hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2))
[  468.950366][ T7968]  ? hvc_write (drivers/tty/hvc/hvc_console.c:501)
[  468.950370][ T7968]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  468.950374][ T7968]  console_emit_next_record (kernel/printk/printk.c:3183)
[  468.950378][ T7968]  ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20)
[  468.950380][ T7968]  ? console_flush_one_record (./include/linux/rcupdate.h:314 (discriminator 2) ./include/linux/srcu.h:439 (discriminator 2) kernel/printk/printk.c:291 (discriminator 2) kernel/printk/printk.c:3246 (discriminator 2))
[  468.950384][ T7968]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  468.950386][ T7968]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  468.950390][ T7968]  console_flush_one_record (kernel/printk/printk.c:3268)
[  468.950395][ T7968]  ? console_emit_next_record (kernel/printk/printk.c:3150)
[  468.950397][ T7968]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[  468.950402][ T7968]  console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420)
[  468.950405][ T7968]  ? console_flush_one_record (kernel/printk/printk.c:3316)
[  468.950408][ T7968]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  468.950409][ T7968]  ? lock_acquire (./include/linux/srcutree.h:374 ./include/linux/srcu.h:541 ./include/linux/srcu.h:645 ./include/trace/events/lock.h:23 ./include/trace/events/lock.h:23 kernel/locking/lockdep.c:5871)
[  468.950413][ T7968]  ? __down_trylock_console_sem (kernel/printk/printk.c:334)
[  468.950415][ T7968]  ? vprintk_emit (kernel/printk/printk.c:2478)
[  468.950418][ T7968]  vprintk_emit (kernel/printk/printk.c:2479)
[  468.950421][ T7968]  ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126))
[  468.950424][ T7968]  ? _mutex_trylock_nest_lock (kernel/locking/mutex.c:1227 (discriminator 6))
[  468.950429][ T7968]  _printk (kernel/printk/printk.c:2504)
[  468.950433][ T7968]  ? snapshot_read.cold (user.c:?)
[  468.950435][ T7968]  ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4116 (discriminator 3) kernel/rcu/tree.c:4108 (discriminator 3))
[  468.950437][ T7968]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380)
[  468.950440][ T7968]  ? validate_chain (kernel/locking/lockdep.c:3817 (discriminator 2) kernel/locking/lockdep.c:3837 (discriminator 2) kernel/locking/lockdep.c:3892 (discriminator 2))
[  468.950443][ T7968]  ? netdev_name (./include/linux/netdevice.h:5709 (discriminator 1))
[  468.950447][ T7968]  ? __netdev_printk (net/core/dev.c:13148 (discriminator 2))
[  468.950449][ T7968]  ? do_setlink.isra.0 (net/core/rtnetlink.c:3246)
[  468.950452][ T7968]  netdev_info (net/core/dev.c:13195 (discriminator 3))
[  468.950455][ T7968]  ? netdev_notice (net/core/dev.c:13194)
[  468.950458][ T7968]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[  468.950461][ T7968]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554)
[  468.950464][ T7968]  ? mark_held_locks (kernel/locking/lockdep.c:4341)
[  468.950467][ T7968]  ? do_setlink.isra.0 (net/core/rtnetlink.c:3246)
[  468.950469][ T7968]  netif_change_name.cold (net/core/dev.c:1507 (discriminator 3))
[  468.950471][ T7968]  ? register_netdev (net/core/dev.c:11618)
[  468.950473][ T7968]  ? is_bpf_text_address (./include/linux/rcupdate.h:319 (discriminator 2) ./include/linux/rcupdate.h:880 (discriminator 2) kernel/bpf/core.c:751 (discriminator 2))
[  468.950479][ T7968]  ? netdev_adjacent_rename_links (net/core/dev.c:9598)
[  468.950481][ T7968]  ? __kernel_text_address (kernel/extable.c:79)
[  468.950484][ T7968]  ? write_profile (profile.c:?)
[  468.950488][ T7968]  ? __asan_memset (mm/kasan/shadow.c:84 (discriminator 1))
[  468.950494][ T7968]  do_setlink.isra.0 (net/core/rtnetlink.c:3246)
[  468.950498][ T7968]  ? stack_trace_save (kernel/stacktrace.c:122 (discriminator 1))
[  468.950500][ T7968]  ? rtnl_link_get_size (net/core/rtnetlink.c:747)
[  468.950501][ T7968]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:388 kernel/rcu/update.c:380)
[  468.950503][ T7968]  ? stack_depot_save_flags (lib/stackdepot.c:609 (discriminator 2) lib/stackdepot.c:676 (discriminator 2))
[  468.950507][ T7968]  ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4116 (discriminator 3) kernel/rcu/tree.c:4108 (discriminator 3))
[  468.950509][ T7968]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380)
[  468.950511][ T7968]  ? validate_chain (kernel/locking/lockdep.c:3817 (discriminator 2) kernel/locking/lockdep.c:3837 (discriminator 2) kernel/locking/lockdep.c:3892 (discriminator 2))
[  468.950513][ T7968]  ? kasan_save_stack (mm/kasan/common.c:58)
[  468.950515][ T7968]  ? kasan_save_stack (mm/kasan/common.c:57)
[  468.950516][ T7968]  ? kasan_save_track (mm/kasan/common.c:78)
[  468.950517][ T7968]  ? __kasan_kmalloc (mm/kasan/common.c:398 mm/kasan/common.c:415)
[  468.950520][ T7968]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[  468.950522][ T7968]  ? snd_ac97_proc_read_main (sound/pci/ac97/ac97_proc.c:320)
[  468.950525][ T7968]  ? ___sys_sendmsg (net/socket.c:2758)
[  468.950529][ T7968]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2))
[  468.950531][ T7968]  ? rtnl_newlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:366 net/core/rtnetlink.c:4214)
[  468.950534][ T7968]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  468.950536][ T7968]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  468.950538][ T7968]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  468.950539][ T7968]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  468.950541][ T7968]  ? trace_contention_end (./include/trace/events/lock.h:121 (discriminator 22))
[  468.950543][ T7968]  ? __mutex_lock (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:3188 kernel/locking/mutex.c:89 kernel/locking/mutex.c:134 kernel/locking/mutex.c:649 kernel/locking/mutex.c:821)
[  468.950544][ T7968]  ? __mutex_lock (kernel/locking/mutex.c:656 (discriminator 1) kernel/locking/mutex.c:821 (discriminator 1))
[  468.950546][ T7968]  ? rtnl_newlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:366 net/core/rtnetlink.c:4214)
[  468.950550][ T7968]  ? ww_mutex_lock (kernel/locking/mutex.c:934)
[  468.950551][ T7968]  ? nla_get_range_signed (lib/nlattr.c:270)
[  468.950556][ T7968]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  468.950558][ T7968]  ? __rtnl_newlink (net/core/rtnetlink.c:4063)
[  468.950567][ T7968]  rtnl_newlink (net/core/rtnetlink.c:4215)
[  468.950573][ T7968]  ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558)
[  468.950575][ T7968]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[  468.950580][ T7968]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2))
[  468.950582][ T7968]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[  468.950584][ T7968]  ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558)
[  468.950586][ T7968]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554)
[  468.950590][ T7968]  ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558)
[  468.950592][ T7968]  rtnetlink_rcv_msg (net/core/rtnetlink.c:7132)
[  468.950595][ T7968]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[  468.950597][ T7968]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[  468.950601][ T7968]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2))
[  468.950603][ T7968]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[  468.950607][ T7968]  netlink_rcv_skb (net/netlink/af_netlink.c:2556)
[  468.950610][ T7968]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[  468.950613][ T7968]  ? netlink_ack (./include/linux/skbuff.h:2718)
[  468.950620][ T7968]  ? netlink_deliver_tap (./include/linux/rcupdate.h:319 (discriminator 2) ./include/linux/rcupdate.h:880 (discriminator 2) ./include/net/netns/generic.h:48 (discriminator 2) net/netlink/af_netlink.c:334 (discriminator 2))
[  468.950622][ T7968]  ? netlink_deliver_tap (./include/linux/rcupdate.h:319 (discriminator 2) ./include/linux/rcupdate.h:880 (discriminator 2) net/netlink/af_netlink.c:341 (discriminator 2))
[  468.950627][ T7968]  netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[  468.950631][ T7968]  ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[  468.950634][ T7968]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[  468.950638][ T7968]  netlink_sendmsg (net/netlink/af_netlink.c:1900)
[  468.950643][ T7968]  ? netlink_unicast (./include/net/net_namespace.h:422 (discriminator 7))
[  468.950647][ T7968]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554)
[  468.950648][ T7968]  ? __import_iovec (lib/iov_iter.c:1358 lib/iov_iter.c:1373)
[  468.950654][ T7968]  __sock_sendmsg (net/socket.c:800 (discriminator 4) net/socket.c:815 (discriminator 4))
[  468.950657][ T7968]  ____sys_sendmsg (net/socket.c:2713)
[  468.950659][ T7968]  ? copy_msghdr_from_user (net/socket.c:2650)
[  468.950662][ T7968]  ? sock_write_iter (net/socket.c:1269)
[  468.950663][ T7968]  ? move_addr_to_kernel (net/socket.c:258)
[  468.950671][ T7968]  ___sys_sendmsg (net/socket.c:2767)
[  468.950674][ T7968]  ? copy_msghdr_from_user (net/socket.c:2619)
[  468.950691][ T7968]  __sys_sendmsg (net/socket.c:2799)
[  468.950694][ T7968]  ? __sys_sendmsg_sock (net/socket.c:2780)
[  468.950700][ T7968]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  468.950703][ T7968]  do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84)
[  468.950706][ T7968]  ? exc_page_fault (arch/x86/mm/fault.c:1489 (discriminator 3) arch/x86/mm/fault.c:1536 (discriminator 3))
[  468.950709][ T7968]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[  468.950712][ T7968] RIP: 0033:0x7f7f1c4a854e
[  468.950716][ T7968] Code: 4d 89 d8 e8 b4 bd 00 00 4c 8b 5d f8 41 8b 93 08 03 00 00 59 5e 48 83 f8 fc 74 11 c9 c3 0f 1f 80 00 00 00 00 48 8b 45 10 0f 05 <c9> c3 83 e2 39 83 fa 08 75 e7 e8 03 ff ff ff 0f 1f 00 f3 0f 1e fa
All code
========
   0:	4d 89 d8             	mov    %r11,%r8
   3:	e8 b4 bd 00 00       	call   0xbdbc
   8:	4c 8b 5d f8          	mov    -0x8(%rbp),%r11
   c:	41 8b 93 08 03 00 00 	mov    0x308(%r11),%edx
  13:	59                   	pop    %rcx
  14:	5e                   	pop    %rsi
  15:	48 83 f8 fc          	cmp    $0xfffffffffffffffc,%rax
  19:	74 11                	je     0x2c
  1b:	c9                   	leave
  1c:	c3                   	ret
  1d:	0f 1f 80 00 00 00 00 	nopl   0x0(%rax)
  24:	48 8b 45 10          	mov    0x10(%rbp),%rax
  28:	0f 05                	syscall
  2a:*	c9                   	leave		<-- trapping instruction
  2b:	c3                   	ret
  2c:	83 e2 39             	and    $0x39,%edx
  2f:	83 fa 08             	cmp    $0x8,%edx
  32:	75 e7                	jne    0x1b
  34:	e8 03 ff ff ff       	call   0xffffffffffffff3c
  39:	0f 1f 00             	nopl   (%rax)
  3c:	f3 0f 1e fa          	endbr64

Code starting with the faulting instruction
===========================================
   0:	c9                   	leave
   1:	c3                   	ret
   2:	83 e2 39             	and    $0x39,%edx
   5:	83 fa 08             	cmp    $0x8,%edx
   8:	75 e7                	jne    0xfffffffffffffff1
   a:	e8 03 ff ff ff       	call   0xffffffffffffff12
   f:	0f 1f 00             	nopl   (%rax)
  12:	f3 0f 1e fa          	endbr64
[  468.950718][ T7968] RSP: 002b:00007ffcbba412a0 EFLAGS: 00000202 ORIG_RAX: 000000000000002e
[  468.950720][ T7968] RAX: ffffffffffffffda RBX: 0000000000000005 RCX: 00007f7f1c4a854e
[  468.950722][ T7968] RDX: 0000000000000000 RSI: 00007ffcbba41350 RDI: 0000000000000005
[  468.950723][ T7968] RBP: 00007ffcbba412b0 R08: 0000000000000000 R09: 0000000000000000
[  468.950724][ T7968] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a915283
[  468.950725][ T7968] R13: 00000000004a1620 R14: 0000000000000000 R15: 00007ffcbba41a20
| [  478.260586][ T8104] softirqs last disabled at (23006): netif_change_name (./include/linux/spinlock.h:353 ./include/linux/seqlock.h:908 net/core/dev.c:1499)
| [  478.260589][ T8104] Preemption disabled at:
| [  478.260590][ T8104] vprintk_emit (kernel/printk/printk.c:2471)
| [  478.260600][ T8104] Tainted: [W]=WARN
[  478.260601][ T8104] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[  478.260602][ T8104] Call Trace:
[  478.260604][ T8104]  <TASK>
[  478.260605][ T8104]  dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120)
[  478.260611][ T8104]  ? vprintk_emit (kernel/printk/printk.c:2471)
[  478.260613][ T8104]  __might_resched.cold (kernel/sched/core.c:9234)
[  478.260618][ T8104]  ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3))
[  478.260622][ T8104]  ? __kmalloc_noprof (./include/linux/sched/mm.h:317 mm/slub.c:4636 mm/slub.c:4974 mm/slub.c:5413 mm/slub.c:5439)
[  478.260627][ T8104]  __kmalloc_noprof (./include/linux/sched/mm.h:322 (discriminator 2) mm/slub.c:4636 (discriminator 2) mm/slub.c:4974 (discriminator 2) mm/slub.c:5413 (discriminator 2) mm/slub.c:5439 (discriminator 2))
[  478.260629][ T8104]  ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[  478.260636][ T8104]  ? do_raw_spin_unlock (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:32 ./include/asm-generic/qspinlock.h:58 kernel/locking/spinlock_debug.c:101 kernel/locking/spinlock_debug.c:141)
[  478.260638][ T8104]  alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[  478.260642][ T8104]  put_chars (drivers/char/virtio_console.c:1176)
[  478.260645][ T8104]  ? __send_to_port (drivers/char/virtio_console.c:654)
[  478.260651][ T8104]  hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2))
[  478.260660][ T8104]  ? hvc_write (drivers/tty/hvc/hvc_console.c:501)
[  478.260663][ T8104]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  478.260668][ T8104]  console_emit_next_record (kernel/printk/printk.c:3183)
[  478.260673][ T8104]  ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20)
[  478.260675][ T8104]  ? console_flush_one_record (./include/linux/rcupdate.h:314 (discriminator 2) ./include/linux/srcu.h:439 (discriminator 2) kernel/printk/printk.c:291 (discriminator 2) kernel/printk/printk.c:3246 (discriminator 2))
[  478.260678][ T8104]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  478.260681][ T8104]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  478.260685][ T8104]  console_flush_one_record (kernel/printk/printk.c:3268)
[  478.260690][ T8104]  ? console_emit_next_record (kernel/printk/printk.c:3150)
[  478.260692][ T8104]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[  478.260698][ T8104]  console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420)
[  478.260701][ T8104]  ? console_flush_one_record (kernel/printk/printk.c:3316)
[  478.260703][ T8104]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  478.260705][ T8104]  ? lock_acquire (./include/linux/srcutree.h:374 ./include/linux/srcu.h:541 ./include/linux/srcu.h:645 ./include/trace/events/lock.h:23 ./include/trace/events/lock.h:23 kernel/locking/lockdep.c:5871)
[  478.260709][ T8104]  ? __down_trylock_console_sem (kernel/printk/printk.c:334)
[  478.260711][ T8104]  ? vprintk_emit (kernel/printk/printk.c:2478)
[  478.260714][ T8104]  vprintk_emit (kernel/printk/printk.c:2479)
[  478.260717][ T8104]  ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126))
[  478.260720][ T8104]  ? _mutex_trylock_nest_lock (kernel/locking/mutex.c:1227 (discriminator 6))
[  478.260725][ T8104]  _printk (kernel/printk/printk.c:2504)
[  478.260728][ T8104]  ? snapshot_read.cold (user.c:?)
[  478.260730][ T8104]  ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4116 (discriminator 3) kernel/rcu/tree.c:4108 (discriminator 3))
[  478.260733][ T8104]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380)
[  478.260736][ T8104]  ? validate_chain (kernel/locking/lockdep.c:3817 (discriminator 2) kernel/locking/lockdep.c:3837 (discriminator 2) kernel/locking/lockdep.c:3892 (discriminator 2))
[  478.260738][ T8104]  ? netdev_name (./include/linux/netdevice.h:5709 (discriminator 1))
[  478.260742][ T8104]  ? __netdev_printk (net/core/dev.c:13148 (discriminator 2))
[  478.260745][ T8104]  ? do_setlink.isra.0 (net/core/rtnetlink.c:3246)
[  478.260747][ T8104]  netdev_info (net/core/dev.c:13195 (discriminator 3))
[  478.260751][ T8104]  ? netdev_notice (net/core/dev.c:13194)
[  478.260754][ T8104]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[  478.260757][ T8104]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554)
[  478.260760][ T8104]  ? mark_held_locks (kernel/locking/lockdep.c:4341)
[  478.260764][ T8104]  ? do_setlink.isra.0 (net/core/rtnetlink.c:3246)
[  478.260766][ T8104]  netif_change_name.cold (net/core/dev.c:1507 (discriminator 3))
[  478.260768][ T8104]  ? register_netdev (net/core/dev.c:11618)
[  478.260769][ T8104]  ? is_bpf_text_address (./include/linux/rcupdate.h:319 (discriminator 2) ./include/linux/rcupdate.h:880 (discriminator 2) kernel/bpf/core.c:751 (discriminator 2))
[  478.260775][ T8104]  ? netdev_adjacent_rename_links (net/core/dev.c:9598)
[  478.260778][ T8104]  ? __kernel_text_address (kernel/extable.c:79)
[  478.260780][ T8104]  ? write_profile (profile.c:?)
[  478.260785][ T8104]  ? __asan_memset (mm/kasan/shadow.c:84 (discriminator 1))
[  478.260791][ T8104]  do_setlink.isra.0 (net/core/rtnetlink.c:3246)
[  478.260795][ T8104]  ? stack_trace_save (kernel/stacktrace.c:122 (discriminator 1))
[  478.260797][ T8104]  ? rtnl_link_get_size (net/core/rtnetlink.c:747)
[  478.260798][ T8104]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:388 kernel/rcu/update.c:380)
[  478.260800][ T8104]  ? stack_depot_save_flags (lib/stackdepot.c:609 (discriminator 2) lib/stackdepot.c:676 (discriminator 2))
[  478.260804][ T8104]  ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4116 (discriminator 3) kernel/rcu/tree.c:4108 (discriminator 3))
[  478.260806][ T8104]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380)
[  478.260808][ T8104]  ? validate_chain (kernel/locking/lockdep.c:3817 (discriminator 2) kernel/locking/lockdep.c:3837 (discriminator 2) kernel/locking/lockdep.c:3892 (discriminator 2))
[  478.260810][ T8104]  ? kasan_save_stack (mm/kasan/common.c:58)
[  478.260812][ T8104]  ? kasan_save_stack (mm/kasan/common.c:57)
[  478.260814][ T8104]  ? kasan_save_track (mm/kasan/common.c:78)
[  478.260815][ T8104]  ? __kasan_kmalloc (mm/kasan/common.c:398 mm/kasan/common.c:415)
[  478.260817][ T8104]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[  478.260819][ T8104]  ? snd_ac97_proc_read_main (sound/pci/ac97/ac97_proc.c:320)
[  478.260823][ T8104]  ? ___sys_sendmsg (net/socket.c:2758)
[  478.260827][ T8104]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2))
[  478.260829][ T8104]  ? rtnl_newlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:366 net/core/rtnetlink.c:4214)
[  478.260832][ T8104]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  478.260833][ T8104]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  478.260835][ T8104]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  478.260836][ T8104]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  478.260838][ T8104]  ? trace_contention_end (./include/trace/events/lock.h:121 (discriminator 22))
[  478.260841][ T8104]  ? __mutex_lock (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:3188 kernel/locking/mutex.c:89 kernel/locking/mutex.c:134 kernel/locking/mutex.c:649 kernel/locking/mutex.c:821)
[  478.260842][ T8104]  ? __mutex_lock (kernel/locking/mutex.c:656 (discriminator 1) kernel/locking/mutex.c:821 (discriminator 1))
[  478.260844][ T8104]  ? rtnl_newlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:366 net/core/rtnetlink.c:4214)
[  478.260847][ T8104]  ? ww_mutex_lock (kernel/locking/mutex.c:934)
[  478.260849][ T8104]  ? nla_get_range_signed (lib/nlattr.c:270)
[  478.260854][ T8104]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  478.260863][ T8104]  ? __rtnl_newlink (net/core/rtnetlink.c:4063)
[  478.260868][ T8104]  rtnl_newlink (net/core/rtnetlink.c:4215)
[  478.260874][ T8104]  ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558)
[  478.260876][ T8104]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[  478.260881][ T8104]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2))
[  478.260883][ T8104]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[  478.260885][ T8104]  ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558)
[  478.260887][ T8104]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554)
[  478.260891][ T8104]  ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558)
[  478.260893][ T8104]  rtnetlink_rcv_msg (net/core/rtnetlink.c:7132)
[  478.260896][ T8104]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[  478.260898][ T8104]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[  478.260902][ T8104]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2))
[  478.260904][ T8104]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[  478.260908][ T8104]  netlink_rcv_skb (net/netlink/af_netlink.c:2556)
[  478.260912][ T8104]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[  478.260915][ T8104]  ? netlink_ack (./include/linux/skbuff.h:2718)
[  478.260921][ T8104]  ? netlink_deliver_tap (./include/linux/rcupdate.h:319 (discriminator 2) ./include/linux/rcupdate.h:880 (discriminator 2) ./include/net/netns/generic.h:48 (discriminator 2) net/netlink/af_netlink.c:334 (discriminator 2))
[  478.260924][ T8104]  ? netlink_deliver_tap (./include/linux/rcupdate.h:319 (discriminator 2) ./include/linux/rcupdate.h:880 (discriminator 2) net/netlink/af_netlink.c:341 (discriminator 2))
[  478.260929][ T8104]  netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[  478.260933][ T8104]  ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[  478.260936][ T8104]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[  478.260940][ T8104]  netlink_sendmsg (net/netlink/af_netlink.c:1900)
[  478.260944][ T8104]  ? netlink_unicast (./include/net/net_namespace.h:422 (discriminator 7))
[  478.260948][ T8104]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554)
[  478.260950][ T8104]  ? __import_iovec (lib/iov_iter.c:1358 lib/iov_iter.c:1373)
[  478.260956][ T8104]  __sock_sendmsg (net/socket.c:800 (discriminator 4) net/socket.c:815 (discriminator 4))
[  478.260959][ T8104]  ____sys_sendmsg (net/socket.c:2713)
[  478.260961][ T8104]  ? copy_msghdr_from_user (net/socket.c:2650)
[  478.260964][ T8104]  ? sock_write_iter (net/socket.c:1269)
[  478.260966][ T8104]  ? move_addr_to_kernel (net/socket.c:258)
[  478.260973][ T8104]  ___sys_sendmsg (net/socket.c:2767)
[  478.260976][ T8104]  ? copy_msghdr_from_user (net/socket.c:2619)
[  478.260993][ T8104]  __sys_sendmsg (net/socket.c:2799)
[  478.260996][ T8104]  ? __sys_sendmsg_sock (net/socket.c:2780)
[  478.261003][ T8104]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  478.261006][ T8104]  do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84)
[  478.261009][ T8104]  ? exc_page_fault (arch/x86/mm/fault.c:1489 (discriminator 3) arch/x86/mm/fault.c:1536 (discriminator 3))
[  478.261012][ T8104]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[  478.261014][ T8104] RIP: 0033:0x7fd37f14254e
[  478.261018][ T8104] Code: 4d 89 d8 e8 b4 bd 00 00 4c 8b 5d f8 41 8b 93 08 03 00 00 59 5e 48 83 f8 fc 74 11 c9 c3 0f 1f 80 00 00 00 00 48 8b 45 10 0f 05 <c9> c3 83 e2 39 83 fa 08 75 e7 e8 03 ff ff ff 0f 1f 00 f3 0f 1e fa
All code
========
   0:	4d 89 d8             	mov    %r11,%r8
   3:	e8 b4 bd 00 00       	call   0xbdbc
   8:	4c 8b 5d f8          	mov    -0x8(%rbp),%r11
   c:	41 8b 93 08 03 00 00 	mov    0x308(%r11),%edx
  13:	59                   	pop    %rcx
  14:	5e                   	pop    %rsi
  15:	48 83 f8 fc          	cmp    $0xfffffffffffffffc,%rax
  19:	74 11                	je     0x2c
  1b:	c9                   	leave
  1c:	c3                   	ret
  1d:	0f 1f 80 00 00 00 00 	nopl   0x0(%rax)
  24:	48 8b 45 10          	mov    0x10(%rbp),%rax
  28:	0f 05                	syscall
  2a:*	c9                   	leave		<-- trapping instruction
  2b:	c3                   	ret
  2c:	83 e2 39             	and    $0x39,%edx
  2f:	83 fa 08             	cmp    $0x8,%edx
  32:	75 e7                	jne    0x1b
  34:	e8 03 ff ff ff       	call   0xffffffffffffff3c
  39:	0f 1f 00             	nopl   (%rax)
  3c:	f3 0f 1e fa          	endbr64

Code starting with the faulting instruction
===========================================
   0:	c9                   	leave
   1:	c3                   	ret
   2:	83 e2 39             	and    $0x39,%edx
   5:	83 fa 08             	cmp    $0x8,%edx
   8:	75 e7                	jne    0xfffffffffffffff1
   a:	e8 03 ff ff ff       	call   0xffffffffffffff12
   f:	0f 1f 00             	nopl   (%rax)
  12:	f3 0f 1e fa          	endbr64
[  478.261020][ T8104] RSP: 002b:00007ffed1ff93d0 EFLAGS: 00000202 ORIG_RAX: 000000000000002e
[  478.261023][ T8104] RAX: ffffffffffffffda RBX: 0000000000000005 RCX: 00007fd37f14254e
[  478.261025][ T8104] RDX: 0000000000000000 RSI: 00007ffed1ff9480 RDI: 0000000000000005
[  478.261025][ T8104] RBP: 00007ffed1ff93e0 R08: 0000000000000000 R09: 0000000000000000
[  478.261026][ T8104] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a91528c
[  478.261027][ T8104] R13: 00000000004a1620 R14: 0000000000000000 R15: 00007ffed1ff9b50
| [  487.450249][ T8240] softirqs last disabled at (17538): netif_change_name (./include/linux/spinlock.h:353 ./include/linux/seqlock.h:908 net/core/dev.c:1499)
| [  487.450251][ T8240] Preemption disabled at:
| [  487.450252][ T8240] vprintk_emit (kernel/printk/printk.c:2471)
| [  487.450261][ T8240] Tainted: [W]=WARN
[  487.450262][ T8240] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[  487.450264][ T8240] Call Trace:
[  487.450265][ T8240]  <TASK>
[  487.450267][ T8240]  dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120)
[  487.450273][ T8240]  ? vprintk_emit (kernel/printk/printk.c:2471)
[  487.450275][ T8240]  __might_resched.cold (kernel/sched/core.c:9234)
[  487.450279][ T8240]  ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3))
[  487.450284][ T8240]  ? __kmalloc_noprof (./include/linux/sched/mm.h:317 mm/slub.c:4636 mm/slub.c:4974 mm/slub.c:5413 mm/slub.c:5439)
[  487.450288][ T8240]  __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))
[  487.450290][ T8240]  ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[  487.450297][ T8240]  ? 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)
[  487.450300][ T8240]  alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[  487.450304][ T8240]  put_chars (drivers/char/virtio_console.c:1176)
[  487.450307][ T8240]  ? __send_to_port (drivers/char/virtio_console.c:654)
[  487.450314][ T8240]  hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2))
[  487.450325][ T8240]  ? hvc_write (drivers/tty/hvc/hvc_console.c:501)
[  487.450328][ T8240]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  487.450333][ T8240]  console_emit_next_record (kernel/printk/printk.c:3183)
[  487.450338][ T8240]  ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20)
[  487.450340][ T8240]  ? 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))
[  487.450343][ T8240]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  487.450346][ T8240]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  487.450350][ T8240]  console_flush_one_record (kernel/printk/printk.c:3268)
[  487.450354][ T8240]  ? console_emit_next_record (kernel/printk/printk.c:3150)
[  487.450356][ T8240]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[  487.450362][ T8240]  console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420)
[  487.450365][ T8240]  ? console_flush_one_record (kernel/printk/printk.c:3316)
[  487.450367][ T8240]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  487.450369][ T8240]  ? 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)
[  487.450373][ T8240]  ? __down_trylock_console_sem (kernel/printk/printk.c:334)
[  487.450375][ T8240]  ? vprintk_emit (kernel/printk/printk.c:2478)
[  487.450378][ T8240]  vprintk_emit (kernel/printk/printk.c:2479)
[  487.450381][ T8240]  ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126))
[  487.450384][ T8240]  ? _mutex_trylock_nest_lock (kernel/locking/mutex.c:1227 (discriminator 6))
[  487.450389][ T8240]  _printk (kernel/printk/printk.c:2504)
[  487.450393][ T8240]  ? snapshot_read.cold (user.c:?)
[  487.450395][ T8240]  ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4116 (discriminator 3) kernel/rcu/tree.c:4108 (discriminator 3))
[  487.450397][ T8240]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380)
[  487.450400][ T8240]  ? validate_chain (kernel/locking/lockdep.c:3817 (discriminator 2) kernel/locking/lockdep.c:3837 (discriminator 2) kernel/locking/lockdep.c:3892 (discriminator 2))
[  487.450403][ T8240]  ? netdev_name (./include/linux/netdevice.h:5709 (discriminator 1))
[  487.450407][ T8240]  ? __netdev_printk (net/core/dev.c:13148 (discriminator 2))
[  487.450410][ T8240]  ? do_setlink.isra.0 (net/core/rtnetlink.c:3246)
[  487.450412][ T8240]  netdev_info (net/core/dev.c:13195 (discriminator 3))
[  487.450415][ T8240]  ? netdev_notice (net/core/dev.c:13194)
[  487.450418][ T8240]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[  487.450421][ T8240]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554)
[  487.450424][ T8240]  ? mark_held_locks (kernel/locking/lockdep.c:4341)
[  487.450428][ T8240]  ? do_setlink.isra.0 (net/core/rtnetlink.c:3246)
[  487.450430][ T8240]  netif_change_name.cold (net/core/dev.c:1507 (discriminator 3))
[  487.450432][ T8240]  ? register_netdev (net/core/dev.c:11618)
[  487.450433][ T8240]  ? 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))
[  487.450439][ T8240]  ? netdev_adjacent_rename_links (net/core/dev.c:9598)
[  487.450442][ T8240]  ? __kernel_text_address (kernel/extable.c:79)
[  487.450444][ T8240]  ? write_profile (profile.c:?)
[  487.450449][ T8240]  ? __asan_memset (mm/kasan/shadow.c:84 (discriminator 1))
[  487.450455][ T8240]  do_setlink.isra.0 (net/core/rtnetlink.c:3246)
[  487.450458][ T8240]  ? stack_trace_save (kernel/stacktrace.c:122 (discriminator 1))
[  487.450460][ T8240]  ? rtnl_link_get_size (net/core/rtnetlink.c:747)
[  487.450462][ T8240]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:388 kernel/rcu/update.c:380)
[  487.450464][ T8240]  ? stack_depot_save_flags (lib/stackdepot.c:609 (discriminator 2) lib/stackdepot.c:676 (discriminator 2))
[  487.450468][ T8240]  ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4116 (discriminator 3) kernel/rcu/tree.c:4108 (discriminator 3))
[  487.450470][ T8240]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380)
[  487.450472][ T8240]  ? validate_chain (kernel/locking/lockdep.c:3817 (discriminator 2) kernel/locking/lockdep.c:3837 (discriminator 2) kernel/locking/lockdep.c:3892 (discriminator 2))
[  487.450474][ T8240]  ? kasan_save_stack (mm/kasan/common.c:58)
[  487.450476][ T8240]  ? kasan_save_stack (mm/kasan/common.c:57)
[  487.450478][ T8240]  ? kasan_save_track (mm/kasan/common.c:78)
[  487.450479][ T8240]  ? __kasan_kmalloc (mm/kasan/common.c:398 mm/kasan/common.c:415)
[  487.450481][ T8240]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[  487.450483][ T8240]  ? snd_ac97_proc_read_main (sound/pci/ac97/ac97_proc.c:320)
[  487.450487][ T8240]  ? ___sys_sendmsg (net/socket.c:2758)
[  487.450491][ T8240]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2))
[  487.450493][ T8240]  ? rtnl_newlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:366 net/core/rtnetlink.c:4214)
[  487.450496][ T8240]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  487.450498][ T8240]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  487.450499][ T8240]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  487.450501][ T8240]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  487.450502][ T8240]  ? trace_contention_end (./include/trace/events/lock.h:121 (discriminator 22))
[  487.450505][ T8240]  ? __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)
[  487.450506][ T8240]  ? __mutex_lock (kernel/locking/mutex.c:656 (discriminator 1) kernel/locking/mutex.c:821 (discriminator 1))
[  487.450508][ T8240]  ? rtnl_newlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:366 net/core/rtnetlink.c:4214)
[  487.450512][ T8240]  ? ww_mutex_lock (kernel/locking/mutex.c:934)
[  487.450513][ T8240]  ? nla_get_range_signed (lib/nlattr.c:270)
[  487.450518][ T8240]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  487.450520][ T8240]  ? __rtnl_newlink (net/core/rtnetlink.c:4063)
[  487.450526][ T8240]  rtnl_newlink (net/core/rtnetlink.c:4215)
[  487.450531][ T8240]  ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558)
[  487.450533][ T8240]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[  487.450538][ T8240]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2))
[  487.450540][ T8240]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[  487.450542][ T8240]  ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558)
[  487.450544][ T8240]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554)
[  487.450548][ T8240]  ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558)
[  487.450550][ T8240]  rtnetlink_rcv_msg (net/core/rtnetlink.c:7132)
[  487.450554][ T8240]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[  487.450555][ T8240]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[  487.450560][ T8240]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2))
[  487.450565][ T8240]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[  487.450570][ T8240]  netlink_rcv_skb (net/netlink/af_netlink.c:2556)
[  487.450574][ T8240]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[  487.450577][ T8240]  ? netlink_ack (./include/linux/skbuff.h:2718)
[  487.450584][ T8240]  ? 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))
[  487.450586][ T8240]  ? 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))
[  487.450591][ T8240]  netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[  487.450596][ T8240]  ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[  487.450598][ T8240]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[  487.450603][ T8240]  netlink_sendmsg (net/netlink/af_netlink.c:1900)
[  487.450607][ T8240]  ? netlink_unicast (./include/net/net_namespace.h:422 (discriminator 7))
[  487.450611][ T8240]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554)
[  487.450613][ T8240]  ? __import_iovec (lib/iov_iter.c:1358 lib/iov_iter.c:1373)
[  487.450618][ T8240]  __sock_sendmsg (net/socket.c:800 (discriminator 4) net/socket.c:815 (discriminator 4))
[  487.450621][ T8240]  ____sys_sendmsg (net/socket.c:2713)
[  487.450624][ T8240]  ? copy_msghdr_from_user (net/socket.c:2650)
[  487.450626][ T8240]  ? sock_write_iter (net/socket.c:1269)
[  487.450628][ T8240]  ? move_addr_to_kernel (net/socket.c:258)
[  487.450636][ T8240]  ___sys_sendmsg (net/socket.c:2767)
[  487.450639][ T8240]  ? copy_msghdr_from_user (net/socket.c:2619)
[  487.450655][ T8240]  __sys_sendmsg (net/socket.c:2799)
[  487.450658][ T8240]  ? __sys_sendmsg_sock (net/socket.c:2780)
[  487.450665][ T8240]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  487.450668][ T8240]  do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84)
[  487.450671][ T8240]  ? exc_page_fault (arch/x86/mm/fault.c:1489 (discriminator 3) arch/x86/mm/fault.c:1536 (discriminator 3))
[  487.450674][ T8240]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[  487.450677][ T8240] RIP: 0033:0x7efdf53e754e
[  487.450681][ T8240] 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
[  487.450682][ T8240] RSP: 002b:00007fff4d5fb790 EFLAGS: 00000202 ORIG_RAX: 000000000000002e
[  487.450685][ T8240] RAX: ffffffffffffffda RBX: 0000000000000005 RCX: 00007efdf53e754e
[  487.450687][ T8240] RDX: 0000000000000000 RSI: 00007fff4d5fb840 RDI: 0000000000000005
[  487.450688][ T8240] RBP: 00007fff4d5fb7a0 R08: 0000000000000000 R09: 0000000000000000
[  487.450689][ T8240] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a915295
[  487.450690][ T8240] R13: 00000000004a1620 R14: 0000000000000000 R15: 00007fff4d5fbf10
| [  496.764289][ T8376] softirqs last disabled at (16102): netif_change_name (./include/linux/spinlock.h:353 ./include/linux/seqlock.h:908 net/core/dev.c:1499)
| [  496.764292][ T8376] Preemption disabled at:
| [  496.764293][ T8376] vprintk_emit (kernel/printk/printk.c:2471)
| [  496.764302][ T8376] Tainted: [W]=WARN
[  496.764303][ T8376] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[  496.764305][ T8376] Call Trace:
[  496.764306][ T8376]  <TASK>
[  496.764308][ T8376]  dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120)
[  496.764315][ T8376]  ? vprintk_emit (kernel/printk/printk.c:2471)
[  496.764318][ T8376]  __might_resched.cold (kernel/sched/core.c:9234)
[  496.764324][ T8376]  ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3))
[  496.764328][ T8376]  ? __kmalloc_noprof (./include/linux/sched/mm.h:317 mm/slub.c:4636 mm/slub.c:4974 mm/slub.c:5413 mm/slub.c:5439)
[  496.764333][ T8376]  __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))
[  496.764335][ T8376]  ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[  496.764342][ T8376]  ? 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)
[  496.764345][ T8376]  alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[  496.764349][ T8376]  put_chars (drivers/char/virtio_console.c:1176)
[  496.764351][ T8376]  ? __send_to_port (drivers/char/virtio_console.c:654)
[  496.764358][ T8376]  hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2))
[  496.764366][ T8376]  ? hvc_write (drivers/tty/hvc/hvc_console.c:501)
[  496.764370][ T8376]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  496.764375][ T8376]  console_emit_next_record (kernel/printk/printk.c:3183)
[  496.764379][ T8376]  ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20)
[  496.764381][ T8376]  ? 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))
[  496.764385][ T8376]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  496.764387][ T8376]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  496.764392][ T8376]  console_flush_one_record (kernel/printk/printk.c:3268)
[  496.764396][ T8376]  ? console_emit_next_record (kernel/printk/printk.c:3150)
[  496.764398][ T8376]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[  496.764404][ T8376]  console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420)
[  496.764407][ T8376]  ? console_flush_one_record (kernel/printk/printk.c:3316)
[  496.764409][ T8376]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  496.764411][ T8376]  ? 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)
[  496.764415][ T8376]  ? __down_trylock_console_sem (kernel/printk/printk.c:334)
[  496.764417][ T8376]  ? vprintk_emit (kernel/printk/printk.c:2478)
[  496.764420][ T8376]  vprintk_emit (kernel/printk/printk.c:2479)
[  496.764423][ T8376]  ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126))
[  496.764426][ T8376]  ? _mutex_trylock_nest_lock (kernel/locking/mutex.c:1227 (discriminator 6))
[  496.764431][ T8376]  _printk (kernel/printk/printk.c:2504)
[  496.764435][ T8376]  ? snapshot_read.cold (user.c:?)
[  496.764437][ T8376]  ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4116 (discriminator 3) kernel/rcu/tree.c:4108 (discriminator 3))
[  496.764440][ T8376]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380)
[  496.764443][ T8376]  ? validate_chain (kernel/locking/lockdep.c:3817 (discriminator 2) kernel/locking/lockdep.c:3837 (discriminator 2) kernel/locking/lockdep.c:3892 (discriminator 2))
[  496.764445][ T8376]  ? netdev_name (./include/linux/netdevice.h:5709 (discriminator 1))
[  496.764449][ T8376]  ? __netdev_printk (net/core/dev.c:13148 (discriminator 2))
[  496.764452][ T8376]  ? do_setlink.isra.0 (net/core/rtnetlink.c:3246)
[  496.764454][ T8376]  netdev_info (net/core/dev.c:13195 (discriminator 3))
[  496.764457][ T8376]  ? netdev_notice (net/core/dev.c:13194)
[  496.764460][ T8376]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[  496.764463][ T8376]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554)
[  496.764466][ T8376]  ? mark_held_locks (kernel/locking/lockdep.c:4341)
[  496.764470][ T8376]  ? do_setlink.isra.0 (net/core/rtnetlink.c:3246)
[  496.764472][ T8376]  netif_change_name.cold (net/core/dev.c:1507 (discriminator 3))
[  496.764474][ T8376]  ? register_netdev (net/core/dev.c:11618)
[  496.764476][ T8376]  ? 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))
[  496.764481][ T8376]  ? netdev_adjacent_rename_links (net/core/dev.c:9598)
[  496.764484][ T8376]  ? __kernel_text_address (kernel/extable.c:79)
[  496.764487][ T8376]  ? write_profile (profile.c:?)
[  496.764491][ T8376]  ? __asan_memset (mm/kasan/shadow.c:84 (discriminator 1))
[  496.764497][ T8376]  do_setlink.isra.0 (net/core/rtnetlink.c:3246)
[  496.764501][ T8376]  ? stack_trace_save (kernel/stacktrace.c:122 (discriminator 1))
[  496.764503][ T8376]  ? rtnl_link_get_size (net/core/rtnetlink.c:747)
[  496.764504][ T8376]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:388 kernel/rcu/update.c:380)
[  496.764506][ T8376]  ? stack_depot_save_flags (lib/stackdepot.c:609 (discriminator 2) lib/stackdepot.c:676 (discriminator 2))
[  496.764510][ T8376]  ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4116 (discriminator 3) kernel/rcu/tree.c:4108 (discriminator 3))
[  496.764512][ T8376]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380)
[  496.764514][ T8376]  ? validate_chain (kernel/locking/lockdep.c:3817 (discriminator 2) kernel/locking/lockdep.c:3837 (discriminator 2) kernel/locking/lockdep.c:3892 (discriminator 2))
[  496.764517][ T8376]  ? kasan_save_stack (mm/kasan/common.c:58)
[  496.764519][ T8376]  ? kasan_save_stack (mm/kasan/common.c:57)
[  496.764520][ T8376]  ? kasan_save_track (mm/kasan/common.c:78)
[  496.764521][ T8376]  ? __kasan_kmalloc (mm/kasan/common.c:398 mm/kasan/common.c:415)
[  496.764524][ T8376]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[  496.764526][ T8376]  ? snd_ac97_proc_read_main (sound/pci/ac97/ac97_proc.c:320)
[  496.764529][ T8376]  ? ___sys_sendmsg (net/socket.c:2758)
[  496.764533][ T8376]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2))
[  496.764536][ T8376]  ? rtnl_newlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:366 net/core/rtnetlink.c:4214)
[  496.764538][ T8376]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  496.764540][ T8376]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  496.764542][ T8376]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  496.764543][ T8376]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  496.764545][ T8376]  ? trace_contention_end (./include/trace/events/lock.h:121 (discriminator 22))
[  496.764547][ T8376]  ? __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)
[  496.764548][ T8376]  ? __mutex_lock (kernel/locking/mutex.c:656 (discriminator 1) kernel/locking/mutex.c:821 (discriminator 1))
[  496.764550][ T8376]  ? rtnl_newlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:366 net/core/rtnetlink.c:4214)
[  496.764554][ T8376]  ? ww_mutex_lock (kernel/locking/mutex.c:934)
[  496.764555][ T8376]  ? nla_get_range_signed (lib/nlattr.c:270)
[  496.764561][ T8376]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  496.764567][ T8376]  ? __rtnl_newlink (net/core/rtnetlink.c:4063)
[  496.764573][ T8376]  rtnl_newlink (net/core/rtnetlink.c:4215)
[  496.764579][ T8376]  ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558)
[  496.764581][ T8376]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[  496.764586][ T8376]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2))
[  496.764588][ T8376]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[  496.764590][ T8376]  ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558)
[  496.764592][ T8376]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554)
[  496.764596][ T8376]  ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558)
[  496.764598][ T8376]  rtnetlink_rcv_msg (net/core/rtnetlink.c:7132)
[  496.764602][ T8376]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[  496.764603][ T8376]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[  496.764608][ T8376]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2))
[  496.764610][ T8376]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[  496.764614][ T8376]  netlink_rcv_skb (net/netlink/af_netlink.c:2556)
[  496.764617][ T8376]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[  496.764620][ T8376]  ? netlink_ack (./include/linux/skbuff.h:2718)
[  496.764627][ T8376]  ? 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))
[  496.764630][ T8376]  ? 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))
[  496.764635][ T8376]  netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[  496.764639][ T8376]  ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[  496.764642][ T8376]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[  496.764646][ T8376]  netlink_sendmsg (net/netlink/af_netlink.c:1900)
[  496.764651][ T8376]  ? netlink_unicast (./include/net/net_namespace.h:422 (discriminator 7))
[  496.764655][ T8376]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554)
[  496.764657][ T8376]  ? __import_iovec (lib/iov_iter.c:1358 lib/iov_iter.c:1373)
[  496.764662][ T8376]  __sock_sendmsg (net/socket.c:800 (discriminator 4) net/socket.c:815 (discriminator 4))
[  496.764665][ T8376]  ____sys_sendmsg (net/socket.c:2713)
[  496.764668][ T8376]  ? copy_msghdr_from_user (net/socket.c:2650)
[  496.764670][ T8376]  ? sock_write_iter (net/socket.c:1269)
[  496.764672][ T8376]  ? move_addr_to_kernel (net/socket.c:258)
[  496.764680][ T8376]  ___sys_sendmsg (net/socket.c:2767)
[  496.764683][ T8376]  ? copy_msghdr_from_user (net/socket.c:2619)
[  496.764700][ T8376]  __sys_sendmsg (net/socket.c:2799)
[  496.764703][ T8376]  ? __sys_sendmsg_sock (net/socket.c:2780)
[  496.764710][ T8376]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  496.764713][ T8376]  do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84)
[  496.764716][ T8376]  ? exc_page_fault (arch/x86/mm/fault.c:1489 (discriminator 3) arch/x86/mm/fault.c:1536 (discriminator 3))
[  496.764719][ T8376]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[  496.764721][ T8376] RIP: 0033:0x7fd58c05054e
[  496.764726][ T8376] 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
[  496.764728][ T8376] RSP: 002b:00007ffd6e546420 EFLAGS: 00000202 ORIG_RAX: 000000000000002e
[  496.764730][ T8376] RAX: ffffffffffffffda RBX: 0000000000000005 RCX: 00007fd58c05054e
[  496.764732][ T8376] RDX: 0000000000000000 RSI: 00007ffd6e5464d0 RDI: 0000000000000005
[  496.764733][ T8376] RBP: 00007ffd6e546430 R08: 0000000000000000 R09: 0000000000000000
[  496.764734][ T8376] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a91529f
[  496.764735][ T8376] R13: 00000000004a1620 R14: 0000000000000000 R15: 00007ffd6e546ba0
| [  506.130148][ T8519] softirqs last disabled at (20728): netif_change_name (./include/linux/spinlock.h:353 ./include/linux/seqlock.h:908 net/core/dev.c:1499)
| [  506.130151][ T8519] Preemption disabled at:
| [  506.130152][ T8519] vprintk_emit (kernel/printk/printk.c:2471)
| [  506.130161][ T8519] Tainted: [W]=WARN
[  506.130162][ T8519] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[  506.130163][ T8519] Call Trace:
[  506.130165][ T8519]  <TASK>
[  506.130167][ T8519]  dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120)
[  506.130173][ T8519]  ? vprintk_emit (kernel/printk/printk.c:2471)
[  506.130175][ T8519]  __might_resched.cold (kernel/sched/core.c:9234)
[  506.130179][ T8519]  ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3))
[  506.130184][ T8519]  ? __kmalloc_noprof (./include/linux/sched/mm.h:317 mm/slub.c:4636 mm/slub.c:4974 mm/slub.c:5413 mm/slub.c:5439)
[  506.130188][ T8519]  __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))
[  506.130190][ T8519]  ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[  506.130197][ T8519]  ? 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)
[  506.130200][ T8519]  alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[  506.130204][ T8519]  put_chars (drivers/char/virtio_console.c:1176)
[  506.130207][ T8519]  ? __send_to_port (drivers/char/virtio_console.c:654)
[  506.130213][ T8519]  hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2))
[  506.130221][ T8519]  ? hvc_write (drivers/tty/hvc/hvc_console.c:501)
[  506.130225][ T8519]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  506.130229][ T8519]  console_emit_next_record (kernel/printk/printk.c:3183)
[  506.130234][ T8519]  ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20)
[  506.130236][ T8519]  ? 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))
[  506.130239][ T8519]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  506.130242][ T8519]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  506.130246][ T8519]  console_flush_one_record (kernel/printk/printk.c:3268)
[  506.130251][ T8519]  ? console_emit_next_record (kernel/printk/printk.c:3150)
[  506.130253][ T8519]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[  506.130258][ T8519]  console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420)
[  506.130261][ T8519]  ? console_flush_one_record (kernel/printk/printk.c:3316)
[  506.130263][ T8519]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  506.130265][ T8519]  ? 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)
[  506.130269][ T8519]  ? __down_trylock_console_sem (kernel/printk/printk.c:334)
[  506.130271][ T8519]  ? vprintk_emit (kernel/printk/printk.c:2478)
[  506.130274][ T8519]  vprintk_emit (kernel/printk/printk.c:2479)
[  506.130277][ T8519]  ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126))
[  506.130280][ T8519]  ? _mutex_trylock_nest_lock (kernel/locking/mutex.c:1227 (discriminator 6))
[  506.130285][ T8519]  _printk (kernel/printk/printk.c:2504)
[  506.130289][ T8519]  ? snapshot_read.cold (user.c:?)
[  506.130291][ T8519]  ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4116 (discriminator 3) kernel/rcu/tree.c:4108 (discriminator 3))
[  506.130294][ T8519]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380)
[  506.130296][ T8519]  ? validate_chain (kernel/locking/lockdep.c:3817 (discriminator 2) kernel/locking/lockdep.c:3837 (discriminator 2) kernel/locking/lockdep.c:3892 (discriminator 2))
[  506.130299][ T8519]  ? netdev_name (./include/linux/netdevice.h:5709 (discriminator 1))
[  506.130303][ T8519]  ? __netdev_printk (net/core/dev.c:13148 (discriminator 2))
[  506.130306][ T8519]  ? do_setlink.isra.0 (net/core/rtnetlink.c:3246)
[  506.130308][ T8519]  netdev_info (net/core/dev.c:13195 (discriminator 3))
[  506.130311][ T8519]  ? netdev_notice (net/core/dev.c:13194)
[  506.130315][ T8519]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[  506.130320][ T8519]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554)
[  506.130324][ T8519]  ? mark_held_locks (kernel/locking/lockdep.c:4341)
[  506.130329][ T8519]  ? do_setlink.isra.0 (net/core/rtnetlink.c:3246)
[  506.130331][ T8519]  netif_change_name.cold (net/core/dev.c:1507 (discriminator 3))
[  506.130333][ T8519]  ? register_netdev (net/core/dev.c:11618)
[  506.130335][ T8519]  ? 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))
[  506.130341][ T8519]  ? netdev_adjacent_rename_links (net/core/dev.c:9598)
[  506.130343][ T8519]  ? __kernel_text_address (kernel/extable.c:79)
[  506.130346][ T8519]  ? write_profile (profile.c:?)
[  506.130350][ T8519]  ? __asan_memset (mm/kasan/shadow.c:84 (discriminator 1))
[  506.130356][ T8519]  do_setlink.isra.0 (net/core/rtnetlink.c:3246)
[  506.130360][ T8519]  ? stack_trace_save (kernel/stacktrace.c:122 (discriminator 1))
[  506.130362][ T8519]  ? rtnl_link_get_size (net/core/rtnetlink.c:747)
[  506.130363][ T8519]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:388 kernel/rcu/update.c:380)
[  506.130365][ T8519]  ? stack_depot_save_flags (lib/stackdepot.c:609 (discriminator 2) lib/stackdepot.c:676 (discriminator 2))
[  506.130369][ T8519]  ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4116 (discriminator 3) kernel/rcu/tree.c:4108 (discriminator 3))
[  506.130371][ T8519]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380)
[  506.130373][ T8519]  ? validate_chain (kernel/locking/lockdep.c:3817 (discriminator 2) kernel/locking/lockdep.c:3837 (discriminator 2) kernel/locking/lockdep.c:3892 (discriminator 2))
[  506.130376][ T8519]  ? kasan_save_stack (mm/kasan/common.c:58)
[  506.130378][ T8519]  ? kasan_save_stack (mm/kasan/common.c:57)
[  506.130379][ T8519]  ? kasan_save_track (mm/kasan/common.c:78)
[  506.130380][ T8519]  ? __kasan_kmalloc (mm/kasan/common.c:398 mm/kasan/common.c:415)
[  506.130383][ T8519]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[  506.130385][ T8519]  ? snd_ac97_proc_read_main (sound/pci/ac97/ac97_proc.c:320)
[  506.130388][ T8519]  ? ___sys_sendmsg (net/socket.c:2758)
[  506.130392][ T8519]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2))
[  506.130394][ T8519]  ? rtnl_newlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:366 net/core/rtnetlink.c:4214)
[  506.130397][ T8519]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  506.130399][ T8519]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  506.130400][ T8519]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  506.130402][ T8519]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  506.130403][ T8519]  ? trace_contention_end (./include/trace/events/lock.h:121 (discriminator 22))
[  506.130406][ T8519]  ? __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)
[  506.130407][ T8519]  ? __mutex_lock (kernel/locking/mutex.c:656 (discriminator 1) kernel/locking/mutex.c:821 (discriminator 1))
[  506.130409][ T8519]  ? rtnl_newlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:366 net/core/rtnetlink.c:4214)
[  506.130413][ T8519]  ? ww_mutex_lock (kernel/locking/mutex.c:934)
[  506.130414][ T8519]  ? nla_get_range_signed (lib/nlattr.c:270)
[  506.130419][ T8519]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  506.130421][ T8519]  ? __rtnl_newlink (net/core/rtnetlink.c:4063)
[  506.130427][ T8519]  rtnl_newlink (net/core/rtnetlink.c:4215)
[  506.130432][ T8519]  ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558)
[  506.130434][ T8519]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[  506.130439][ T8519]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2))
[  506.130441][ T8519]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[  506.130443][ T8519]  ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558)
[  506.130445][ T8519]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554)
[  506.130449][ T8519]  ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558)
[  506.130451][ T8519]  rtnetlink_rcv_msg (net/core/rtnetlink.c:7132)
[  506.130454][ T8519]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[  506.130456][ T8519]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[  506.130460][ T8519]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2))
[  506.130462][ T8519]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[  506.130466][ T8519]  netlink_rcv_skb (net/netlink/af_netlink.c:2556)
[  506.130470][ T8519]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[  506.130473][ T8519]  ? netlink_ack (./include/linux/skbuff.h:2718)
[  506.130479][ T8519]  ? 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))
[  506.130482][ T8519]  ? 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))
[  506.130486][ T8519]  netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[  506.130491][ T8519]  ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[  506.130493][ T8519]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[  506.130498][ T8519]  netlink_sendmsg (net/netlink/af_netlink.c:1900)
[  506.130502][ T8519]  ? netlink_unicast (./include/net/net_namespace.h:422 (discriminator 7))
[  506.130506][ T8519]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554)
[  506.130508][ T8519]  ? __import_iovec (lib/iov_iter.c:1358 lib/iov_iter.c:1373)
[  506.130513][ T8519]  __sock_sendmsg (net/socket.c:800 (discriminator 4) net/socket.c:815 (discriminator 4))
[  506.130516][ T8519]  ____sys_sendmsg (net/socket.c:2713)
[  506.130519][ T8519]  ? copy_msghdr_from_user (net/socket.c:2650)
[  506.130521][ T8519]  ? sock_write_iter (net/socket.c:1269)
[  506.130523][ T8519]  ? move_addr_to_kernel (net/socket.c:258)
[  506.130530][ T8519]  ___sys_sendmsg (net/socket.c:2767)
[  506.130533][ T8519]  ? copy_msghdr_from_user (net/socket.c:2619)
[  506.130550][ T8519]  __sys_sendmsg (net/socket.c:2799)
[  506.130553][ T8519]  ? __sys_sendmsg_sock (net/socket.c:2780)
[  506.130560][ T8519]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  506.130567][ T8519]  do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84)
[  506.130570][ T8519]  ? exc_page_fault (arch/x86/mm/fault.c:1489 (discriminator 3) arch/x86/mm/fault.c:1536 (discriminator 3))
[  506.130573][ T8519]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[  506.130575][ T8519] RIP: 0033:0x7f71adba454e
[  506.130579][ T8519] 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
[  506.130581][ T8519] RSP: 002b:00007ffe1d0f82d0 EFLAGS: 00000202 ORIG_RAX: 000000000000002e
[  506.130584][ T8519] RAX: ffffffffffffffda RBX: 0000000000000005 RCX: 00007f71adba454e
[  506.130585][ T8519] RDX: 0000000000000000 RSI: 00007ffe1d0f8380 RDI: 0000000000000005
[  506.130586][ T8519] RBP: 00007ffe1d0f82e0 R08: 0000000000000000 R09: 0000000000000000
[  506.130587][ T8519] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a9152a8
[  506.130588][ T8519] R13: 00000000004a1620 R14: 0000000000000000 R15: 00007ffe1d0f8a50
| [  515.319942][ T8662] softirqs last disabled at (24734): netif_change_name (./include/linux/spinlock.h:353 ./include/linux/seqlock.h:908 net/core/dev.c:1499)
| [  515.319945][ T8662] Preemption disabled at:
| [  515.319946][ T8662] vprintk_emit (kernel/printk/printk.c:2471)
| [  515.319955][ T8662] Tainted: [W]=WARN
[  515.319956][ T8662] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[  515.319957][ T8662] Call Trace:
[  515.319959][ T8662]  <TASK>
[  515.319961][ T8662]  dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120)
[  515.319967][ T8662]  ? vprintk_emit (kernel/printk/printk.c:2471)
[  515.319969][ T8662]  __might_resched.cold (kernel/sched/core.c:9234)
[  515.319973][ T8662]  ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3))
[  515.319978][ T8662]  ? __kmalloc_noprof (./include/linux/sched/mm.h:317 mm/slub.c:4636 mm/slub.c:4974 mm/slub.c:5413 mm/slub.c:5439)
[  515.319983][ T8662]  __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))
[  515.319985][ T8662]  ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[  515.319991][ T8662]  ? 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)
[  515.319995][ T8662]  alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[  515.319999][ T8662]  put_chars (drivers/char/virtio_console.c:1176)
[  515.320001][ T8662]  ? __send_to_port (drivers/char/virtio_console.c:654)
[  515.320008][ T8662]  hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2))
[  515.320016][ T8662]  ? hvc_write (drivers/tty/hvc/hvc_console.c:501)
[  515.320020][ T8662]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  515.320024][ T8662]  console_emit_next_record (kernel/printk/printk.c:3183)
[  515.320029][ T8662]  ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20)
[  515.320031][ T8662]  ? 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))
[  515.320034][ T8662]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  515.320037][ T8662]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  515.320041][ T8662]  console_flush_one_record (kernel/printk/printk.c:3268)
[  515.320046][ T8662]  ? console_emit_next_record (kernel/printk/printk.c:3150)
[  515.320048][ T8662]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[  515.320054][ T8662]  console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420)
[  515.320057][ T8662]  ? console_flush_one_record (kernel/printk/printk.c:3316)
[  515.320059][ T8662]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  515.320067][ T8662]  ? 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)
[  515.320071][ T8662]  ? __down_trylock_console_sem (kernel/printk/printk.c:334)
[  515.320073][ T8662]  ? vprintk_emit (kernel/printk/printk.c:2478)
[  515.320076][ T8662]  vprintk_emit (kernel/printk/printk.c:2479)
[  515.320080][ T8662]  ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126))
[  515.320083][ T8662]  ? _mutex_trylock_nest_lock (kernel/locking/mutex.c:1227 (discriminator 6))
[  515.320088][ T8662]  _printk (kernel/printk/printk.c:2504)
[  515.320092][ T8662]  ? snapshot_read.cold (user.c:?)
[  515.320094][ T8662]  ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4116 (discriminator 3) kernel/rcu/tree.c:4108 (discriminator 3))
[  515.320096][ T8662]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380)
[  515.320099][ T8662]  ? validate_chain (kernel/locking/lockdep.c:3817 (discriminator 2) kernel/locking/lockdep.c:3837 (discriminator 2) kernel/locking/lockdep.c:3892 (discriminator 2))
[  515.320102][ T8662]  ? netdev_name (./include/linux/netdevice.h:5709 (discriminator 1))
[  515.320106][ T8662]  ? __netdev_printk (net/core/dev.c:13148 (discriminator 2))
[  515.320109][ T8662]  ? do_setlink.isra.0 (net/core/rtnetlink.c:3246)
[  515.320111][ T8662]  netdev_info (net/core/dev.c:13195 (discriminator 3))
[  515.320114][ T8662]  ? netdev_notice (net/core/dev.c:13194)
[  515.320117][ T8662]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[  515.320121][ T8662]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554)
[  515.320123][ T8662]  ? mark_held_locks (kernel/locking/lockdep.c:4341)
[  515.320127][ T8662]  ? do_setlink.isra.0 (net/core/rtnetlink.c:3246)
[  515.320129][ T8662]  netif_change_name.cold (net/core/dev.c:1507 (discriminator 3))
[  515.320132][ T8662]  ? register_netdev (net/core/dev.c:11618)
[  515.320134][ T8662]  ? 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))
[  515.320139][ T8662]  ? netdev_adjacent_rename_links (net/core/dev.c:9598)
[  515.320142][ T8662]  ? __kernel_text_address (kernel/extable.c:79)
[  515.320145][ T8662]  ? write_profile (profile.c:?)
[  515.320149][ T8662]  ? __asan_memset (mm/kasan/shadow.c:84 (discriminator 1))
[  515.320155][ T8662]  do_setlink.isra.0 (net/core/rtnetlink.c:3246)
[  515.320159][ T8662]  ? stack_trace_save (kernel/stacktrace.c:122 (discriminator 1))
[  515.320161][ T8662]  ? rtnl_link_get_size (net/core/rtnetlink.c:747)
[  515.320162][ T8662]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:388 kernel/rcu/update.c:380)
[  515.320164][ T8662]  ? stack_depot_save_flags (lib/stackdepot.c:609 (discriminator 2) lib/stackdepot.c:676 (discriminator 2))
[  515.320168][ T8662]  ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4116 (discriminator 3) kernel/rcu/tree.c:4108 (discriminator 3))
[  515.320170][ T8662]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380)
[  515.320172][ T8662]  ? validate_chain (kernel/locking/lockdep.c:3817 (discriminator 2) kernel/locking/lockdep.c:3837 (discriminator 2) kernel/locking/lockdep.c:3892 (discriminator 2))
[  515.320175][ T8662]  ? kasan_save_stack (mm/kasan/common.c:58)
[  515.320176][ T8662]  ? kasan_save_stack (mm/kasan/common.c:57)
[  515.320178][ T8662]  ? kasan_save_track (mm/kasan/common.c:78)
[  515.320179][ T8662]  ? __kasan_kmalloc (mm/kasan/common.c:398 mm/kasan/common.c:415)
[  515.320182][ T8662]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[  515.320184][ T8662]  ? snd_ac97_proc_read_main (sound/pci/ac97/ac97_proc.c:320)
[  515.320187][ T8662]  ? ___sys_sendmsg (net/socket.c:2758)
[  515.320191][ T8662]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2))
[  515.320194][ T8662]  ? rtnl_newlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:366 net/core/rtnetlink.c:4214)
[  515.320196][ T8662]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  515.320198][ T8662]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  515.320200][ T8662]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  515.320201][ T8662]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  515.320203][ T8662]  ? trace_contention_end (./include/trace/events/lock.h:121 (discriminator 22))
[  515.320205][ T8662]  ? __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)
[  515.320207][ T8662]  ? __mutex_lock (kernel/locking/mutex.c:656 (discriminator 1) kernel/locking/mutex.c:821 (discriminator 1))
[  515.320209][ T8662]  ? rtnl_newlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:366 net/core/rtnetlink.c:4214)
[  515.320212][ T8662]  ? ww_mutex_lock (kernel/locking/mutex.c:934)
[  515.320214][ T8662]  ? nla_get_range_signed (lib/nlattr.c:270)
[  515.320219][ T8662]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  515.320221][ T8662]  ? __rtnl_newlink (net/core/rtnetlink.c:4063)
[  515.320227][ T8662]  rtnl_newlink (net/core/rtnetlink.c:4215)
[  515.320232][ T8662]  ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558)
[  515.320235][ T8662]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[  515.320239][ T8662]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2))
[  515.320241][ T8662]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[  515.320244][ T8662]  ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558)
[  515.320245][ T8662]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554)
[  515.320249][ T8662]  ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558)
[  515.320252][ T8662]  rtnetlink_rcv_msg (net/core/rtnetlink.c:7132)
[  515.320255][ T8662]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[  515.320257][ T8662]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[  515.320261][ T8662]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2))
[  515.320263][ T8662]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[  515.320267][ T8662]  netlink_rcv_skb (net/netlink/af_netlink.c:2556)
[  515.320270][ T8662]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[  515.320274][ T8662]  ? netlink_ack (./include/linux/skbuff.h:2718)
[  515.320280][ T8662]  ? 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))
[  515.320283][ T8662]  ? 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))
[  515.320288][ T8662]  netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[  515.320292][ T8662]  ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[  515.320295][ T8662]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[  515.320299][ T8662]  netlink_sendmsg (net/netlink/af_netlink.c:1900)
[  515.320303][ T8662]  ? netlink_unicast (./include/net/net_namespace.h:422 (discriminator 7))
[  515.320307][ T8662]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554)
[  515.320309][ T8662]  ? __import_iovec (lib/iov_iter.c:1358 lib/iov_iter.c:1373)
[  515.320317][ T8662]  __sock_sendmsg (net/socket.c:800 (discriminator 4) net/socket.c:815 (discriminator 4))
[  515.320322][ T8662]  ____sys_sendmsg (net/socket.c:2713)
[  515.320324][ T8662]  ? copy_msghdr_from_user (net/socket.c:2650)
[  515.320327][ T8662]  ? sock_write_iter (net/socket.c:1269)
[  515.320329][ T8662]  ? move_addr_to_kernel (net/socket.c:258)
[  515.320336][ T8662]  ___sys_sendmsg (net/socket.c:2767)
[  515.320339][ T8662]  ? copy_msghdr_from_user (net/socket.c:2619)
[  515.320356][ T8662]  __sys_sendmsg (net/socket.c:2799)
[  515.320359][ T8662]  ? __sys_sendmsg_sock (net/socket.c:2780)
[  515.320366][ T8662]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  515.320370][ T8662]  do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84)
[  515.320373][ T8662]  ? exc_page_fault (arch/x86/mm/fault.c:1489 (discriminator 3) arch/x86/mm/fault.c:1536 (discriminator 3))
[  515.320376][ T8662]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[  515.320378][ T8662] RIP: 0033:0x7f186931f54e
[  515.320382][ T8662] 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
[  515.320384][ T8662] RSP: 002b:00007fff60dfdda0 EFLAGS: 00000202 ORIG_RAX: 000000000000002e
[  515.320387][ T8662] RAX: ffffffffffffffda RBX: 0000000000000005 RCX: 00007f186931f54e
[  515.320388][ T8662] RDX: 0000000000000000 RSI: 00007fff60dfde50 RDI: 0000000000000005
[  515.320389][ T8662] RBP: 00007fff60dfddb0 R08: 0000000000000000 R09: 0000000000000000
[  515.320390][ T8662] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a9152b1
[  515.320391][ T8662] R13: 00000000004a1620 R14: 0000000000000000 R15: 00007fff60dfe520
| [  524.532371][ T8805] softirqs last disabled at (16848): netif_change_name (./include/linux/spinlock.h:353 ./include/linux/seqlock.h:908 net/core/dev.c:1499)
| [  524.532374][ T8805] Preemption disabled at:
| [  524.532375][ T8805] vprintk_emit (kernel/printk/printk.c:2471)
| [  524.532384][ T8805] Tainted: [W]=WARN
[  524.532385][ T8805] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[  524.532387][ T8805] Call Trace:
[  524.532388][ T8805]  <TASK>
[  524.532390][ T8805]  dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120)
[  524.532396][ T8805]  ? vprintk_emit (kernel/printk/printk.c:2471)
[  524.532398][ T8805]  __might_resched.cold (kernel/sched/core.c:9234)
[  524.532402][ T8805]  ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3))
[  524.532407][ T8805]  ? __kmalloc_noprof (./include/linux/sched/mm.h:317 mm/slub.c:4636 mm/slub.c:4974 mm/slub.c:5413 mm/slub.c:5439)
[  524.532411][ T8805]  __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))
[  524.532413][ T8805]  ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[  524.532420][ T8805]  ? 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)
[  524.532423][ T8805]  alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[  524.532427][ T8805]  put_chars (drivers/char/virtio_console.c:1176)
[  524.532430][ T8805]  ? __send_to_port (drivers/char/virtio_console.c:654)
[  524.532436][ T8805]  hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2))
[  524.532444][ T8805]  ? hvc_write (drivers/tty/hvc/hvc_console.c:501)
[  524.532447][ T8805]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  524.532452][ T8805]  console_emit_next_record (kernel/printk/printk.c:3183)
[  524.532456][ T8805]  ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20)
[  524.532458][ T8805]  ? 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))
[  524.532461][ T8805]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  524.532464][ T8805]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  524.532468][ T8805]  console_flush_one_record (kernel/printk/printk.c:3268)
[  524.532473][ T8805]  ? console_emit_next_record (kernel/printk/printk.c:3150)
[  524.532475][ T8805]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[  524.532480][ T8805]  console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420)
[  524.532483][ T8805]  ? console_flush_one_record (kernel/printk/printk.c:3316)
[  524.532485][ T8805]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  524.532487][ T8805]  ? 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)
[  524.532490][ T8805]  ? __down_trylock_console_sem (kernel/printk/printk.c:334)
[  524.532492][ T8805]  ? vprintk_emit (kernel/printk/printk.c:2478)
[  524.532495][ T8805]  vprintk_emit (kernel/printk/printk.c:2479)
[  524.532498][ T8805]  ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126))
[  524.532501][ T8805]  ? _mutex_trylock_nest_lock (kernel/locking/mutex.c:1227 (discriminator 6))
[  524.532506][ T8805]  _printk (kernel/printk/printk.c:2504)
[  524.532510][ T8805]  ? snapshot_read.cold (user.c:?)
[  524.532512][ T8805]  ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4116 (discriminator 3) kernel/rcu/tree.c:4108 (discriminator 3))
[  524.532514][ T8805]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380)
[  524.532517][ T8805]  ? validate_chain (kernel/locking/lockdep.c:3817 (discriminator 2) kernel/locking/lockdep.c:3837 (discriminator 2) kernel/locking/lockdep.c:3892 (discriminator 2))
[  524.532519][ T8805]  ? netdev_name (./include/linux/netdevice.h:5709 (discriminator 1))
[  524.532523][ T8805]  ? __netdev_printk (net/core/dev.c:13148 (discriminator 2))
[  524.532526][ T8805]  ? do_setlink.isra.0 (net/core/rtnetlink.c:3246)
[  524.532528][ T8805]  netdev_info (net/core/dev.c:13195 (discriminator 3))
[  524.532531][ T8805]  ? netdev_notice (net/core/dev.c:13194)
[  524.532534][ T8805]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[  524.532537][ T8805]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554)
[  524.532540][ T8805]  ? mark_held_locks (kernel/locking/lockdep.c:4341)
[  524.532543][ T8805]  ? do_setlink.isra.0 (net/core/rtnetlink.c:3246)
[  524.532545][ T8805]  netif_change_name.cold (net/core/dev.c:1507 (discriminator 3))
[  524.532548][ T8805]  ? register_netdev (net/core/dev.c:11618)
[  524.532549][ T8805]  ? 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))
[  524.532555][ T8805]  ? netdev_adjacent_rename_links (net/core/dev.c:9598)
[  524.532557][ T8805]  ? __kernel_text_address (kernel/extable.c:79)
[  524.532560][ T8805]  ? write_profile (profile.c:?)
[  524.532568][ T8805]  ? __asan_memset (mm/kasan/shadow.c:84 (discriminator 1))
[  524.532574][ T8805]  do_setlink.isra.0 (net/core/rtnetlink.c:3246)
[  524.532577][ T8805]  ? stack_trace_save (kernel/stacktrace.c:122 (discriminator 1))
[  524.532579][ T8805]  ? rtnl_link_get_size (net/core/rtnetlink.c:747)
[  524.532581][ T8805]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:388 kernel/rcu/update.c:380)
[  524.532583][ T8805]  ? stack_depot_save_flags (lib/stackdepot.c:609 (discriminator 2) lib/stackdepot.c:676 (discriminator 2))
[  524.532586][ T8805]  ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4116 (discriminator 3) kernel/rcu/tree.c:4108 (discriminator 3))
[  524.532588][ T8805]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380)
[  524.532590][ T8805]  ? validate_chain (kernel/locking/lockdep.c:3817 (discriminator 2) kernel/locking/lockdep.c:3837 (discriminator 2) kernel/locking/lockdep.c:3892 (discriminator 2))
[  524.532592][ T8805]  ? kasan_save_stack (mm/kasan/common.c:58)
[  524.532594][ T8805]  ? kasan_save_stack (mm/kasan/common.c:57)
[  524.532596][ T8805]  ? kasan_save_track (mm/kasan/common.c:78)
[  524.532597][ T8805]  ? __kasan_kmalloc (mm/kasan/common.c:398 mm/kasan/common.c:415)
[  524.532599][ T8805]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[  524.532601][ T8805]  ? snd_ac97_proc_read_main (sound/pci/ac97/ac97_proc.c:320)
[  524.532605][ T8805]  ? ___sys_sendmsg (net/socket.c:2758)
[  524.532609][ T8805]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2))
[  524.532611][ T8805]  ? rtnl_newlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:366 net/core/rtnetlink.c:4214)
[  524.532614][ T8805]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  524.532615][ T8805]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  524.532617][ T8805]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  524.532618][ T8805]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  524.532620][ T8805]  ? trace_contention_end (./include/trace/events/lock.h:121 (discriminator 22))
[  524.532622][ T8805]  ? __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)
[  524.532624][ T8805]  ? __mutex_lock (kernel/locking/mutex.c:656 (discriminator 1) kernel/locking/mutex.c:821 (discriminator 1))
[  524.532626][ T8805]  ? rtnl_newlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:366 net/core/rtnetlink.c:4214)
[  524.532629][ T8805]  ? ww_mutex_lock (kernel/locking/mutex.c:934)
[  524.532630][ T8805]  ? nla_get_range_signed (lib/nlattr.c:270)
[  524.532635][ T8805]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  524.532638][ T8805]  ? __rtnl_newlink (net/core/rtnetlink.c:4063)
[  524.532643][ T8805]  rtnl_newlink (net/core/rtnetlink.c:4215)
[  524.532649][ T8805]  ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558)
[  524.532651][ T8805]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[  524.532655][ T8805]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2))
[  524.532657][ T8805]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[  524.532659][ T8805]  ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558)
[  524.532661][ T8805]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554)
[  524.532665][ T8805]  ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558)
[  524.532667][ T8805]  rtnetlink_rcv_msg (net/core/rtnetlink.c:7132)
[  524.532670][ T8805]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[  524.532672][ T8805]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[  524.532676][ T8805]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2))
[  524.532678][ T8805]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[  524.532682][ T8805]  netlink_rcv_skb (net/netlink/af_netlink.c:2556)
[  524.532685][ T8805]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[  524.532688][ T8805]  ? netlink_ack (./include/linux/skbuff.h:2718)
[  524.532695][ T8805]  ? 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))
[  524.532697][ T8805]  ? 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))
[  524.532702][ T8805]  netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[  524.532706][ T8805]  ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[  524.532709][ T8805]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[  524.532713][ T8805]  netlink_sendmsg (net/netlink/af_netlink.c:1900)
[  524.532717][ T8805]  ? netlink_unicast (./include/net/net_namespace.h:422 (discriminator 7))
[  524.532721][ T8805]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554)
[  524.532723][ T8805]  ? __import_iovec (lib/iov_iter.c:1358 lib/iov_iter.c:1373)
[  524.532729][ T8805]  __sock_sendmsg (net/socket.c:800 (discriminator 4) net/socket.c:815 (discriminator 4))
[  524.532732][ T8805]  ____sys_sendmsg (net/socket.c:2713)
[  524.532734][ T8805]  ? copy_msghdr_from_user (net/socket.c:2650)
[  524.532736][ T8805]  ? sock_write_iter (net/socket.c:1269)
[  524.532738][ T8805]  ? move_addr_to_kernel (net/socket.c:258)
[  524.532746][ T8805]  ___sys_sendmsg (net/socket.c:2767)
[  524.532749][ T8805]  ? copy_msghdr_from_user (net/socket.c:2619)
[  524.532765][ T8805]  __sys_sendmsg (net/socket.c:2799)
[  524.532768][ T8805]  ? __sys_sendmsg_sock (net/socket.c:2780)
[  524.532774][ T8805]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  524.532778][ T8805]  do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84)
[  524.532781][ T8805]  ? exc_page_fault (arch/x86/mm/fault.c:1489 (discriminator 3) arch/x86/mm/fault.c:1536 (discriminator 3))
[  524.532783][ T8805]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[  524.532786][ T8805] RIP: 0033:0x7f9597ee054e
[  524.532790][ T8805] 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
[  524.532791][ T8805] RSP: 002b:00007ffc08ac1b60 EFLAGS: 00000202 ORIG_RAX: 000000000000002e
[  524.532794][ T8805] RAX: ffffffffffffffda RBX: 0000000000000005 RCX: 00007f9597ee054e
[  524.532796][ T8805] RDX: 0000000000000000 RSI: 00007ffc08ac1c10 RDI: 0000000000000005
[  524.532797][ T8805] RBP: 00007ffc08ac1b70 R08: 0000000000000000 R09: 0000000000000000
[  524.532797][ T8805] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a9152ba
[  524.532798][ T8805] R13: 00000000004a1620 R14: 0000000000000000 R15: 00007ffc08ac22e0
| [  533.582147][ T8948] softirqs last disabled at (25934): netif_change_name (./include/linux/spinlock.h:353 ./include/linux/seqlock.h:908 net/core/dev.c:1499)
| [  533.582150][ T8948] Preemption disabled at:
| [  533.582150][ T8948] vprintk_emit (kernel/printk/printk.c:2471)
| [  533.582160][ T8948] Tainted: [W]=WARN
[  533.582161][ T8948] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[  533.582162][ T8948] Call Trace:
[  533.582164][ T8948]  <TASK>
[  533.582172][ T8948]  dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120)
[  533.582178][ T8948]  ? vprintk_emit (kernel/printk/printk.c:2471)
[  533.582180][ T8948]  __might_resched.cold (kernel/sched/core.c:9234)
[  533.582185][ T8948]  ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3))
[  533.582190][ T8948]  ? __kmalloc_noprof (./include/linux/sched/mm.h:317 mm/slub.c:4636 mm/slub.c:4974 mm/slub.c:5413 mm/slub.c:5439)
[  533.582194][ T8948]  __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))
[  533.582196][ T8948]  ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[  533.582203][ T8948]  ? 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)
[  533.582206][ T8948]  alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[  533.582210][ T8948]  put_chars (drivers/char/virtio_console.c:1176)
[  533.582212][ T8948]  ? __send_to_port (drivers/char/virtio_console.c:654)
[  533.582219][ T8948]  hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2))
[  533.582227][ T8948]  ? hvc_write (drivers/tty/hvc/hvc_console.c:501)
[  533.582230][ T8948]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  533.582235][ T8948]  console_emit_next_record (kernel/printk/printk.c:3183)
[  533.582240][ T8948]  ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20)
[  533.582242][ T8948]  ? 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))
[  533.582245][ T8948]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  533.582248][ T8948]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  533.582252][ T8948]  console_flush_one_record (kernel/printk/printk.c:3268)
[  533.582256][ T8948]  ? console_emit_next_record (kernel/printk/printk.c:3150)
[  533.582258][ T8948]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[  533.582264][ T8948]  console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420)
[  533.582267][ T8948]  ? console_flush_one_record (kernel/printk/printk.c:3316)
[  533.582269][ T8948]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  533.582271][ T8948]  ? 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)
[  533.582275][ T8948]  ? __down_trylock_console_sem (kernel/printk/printk.c:334)
[  533.582277][ T8948]  ? vprintk_emit (kernel/printk/printk.c:2478)
[  533.582279][ T8948]  vprintk_emit (kernel/printk/printk.c:2479)
[  533.582283][ T8948]  ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126))
[  533.582286][ T8948]  ? _mutex_trylock_nest_lock (kernel/locking/mutex.c:1227 (discriminator 6))
[  533.582291][ T8948]  _printk (kernel/printk/printk.c:2504)
[  533.582294][ T8948]  ? snapshot_read.cold (user.c:?)
[  533.582296][ T8948]  ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4116 (discriminator 3) kernel/rcu/tree.c:4108 (discriminator 3))
[  533.582299][ T8948]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380)
[  533.582302][ T8948]  ? validate_chain (kernel/locking/lockdep.c:3817 (discriminator 2) kernel/locking/lockdep.c:3837 (discriminator 2) kernel/locking/lockdep.c:3892 (discriminator 2))
[  533.582304][ T8948]  ? netdev_name (./include/linux/netdevice.h:5709 (discriminator 1))
[  533.582308][ T8948]  ? __netdev_printk (net/core/dev.c:13148 (discriminator 2))
[  533.582311][ T8948]  ? do_setlink.isra.0 (net/core/rtnetlink.c:3246)
[  533.582314][ T8948]  netdev_info (net/core/dev.c:13195 (discriminator 3))
[  533.582318][ T8948]  ? netdev_notice (net/core/dev.c:13194)
[  533.582323][ T8948]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[  533.582326][ T8948]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554)
[  533.582329][ T8948]  ? mark_held_locks (kernel/locking/lockdep.c:4341)
[  533.582332][ T8948]  ? do_setlink.isra.0 (net/core/rtnetlink.c:3246)
[  533.582335][ T8948]  netif_change_name.cold (net/core/dev.c:1507 (discriminator 3))
[  533.582337][ T8948]  ? register_netdev (net/core/dev.c:11618)
[  533.582339][ T8948]  ? 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))
[  533.582344][ T8948]  ? netdev_adjacent_rename_links (net/core/dev.c:9598)
[  533.582347][ T8948]  ? __kernel_text_address (kernel/extable.c:79)
[  533.582350][ T8948]  ? write_profile (profile.c:?)
[  533.582354][ T8948]  ? __asan_memset (mm/kasan/shadow.c:84 (discriminator 1))
[  533.582360][ T8948]  do_setlink.isra.0 (net/core/rtnetlink.c:3246)
[  533.582364][ T8948]  ? stack_trace_save (kernel/stacktrace.c:122 (discriminator 1))
[  533.582366][ T8948]  ? rtnl_link_get_size (net/core/rtnetlink.c:747)
[  533.582367][ T8948]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:388 kernel/rcu/update.c:380)
[  533.582369][ T8948]  ? stack_depot_save_flags (lib/stackdepot.c:609 (discriminator 2) lib/stackdepot.c:676 (discriminator 2))
[  533.582373][ T8948]  ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4116 (discriminator 3) kernel/rcu/tree.c:4108 (discriminator 3))
[  533.582375][ T8948]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380)
[  533.582377][ T8948]  ? validate_chain (kernel/locking/lockdep.c:3817 (discriminator 2) kernel/locking/lockdep.c:3837 (discriminator 2) kernel/locking/lockdep.c:3892 (discriminator 2))
[  533.582379][ T8948]  ? kasan_save_stack (mm/kasan/common.c:58)
[  533.582381][ T8948]  ? kasan_save_stack (mm/kasan/common.c:57)
[  533.582383][ T8948]  ? kasan_save_track (mm/kasan/common.c:78)
[  533.582384][ T8948]  ? __kasan_kmalloc (mm/kasan/common.c:398 mm/kasan/common.c:415)
[  533.582386][ T8948]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[  533.582388][ T8948]  ? snd_ac97_proc_read_main (sound/pci/ac97/ac97_proc.c:320)
[  533.582392][ T8948]  ? ___sys_sendmsg (net/socket.c:2758)
[  533.582396][ T8948]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2))
[  533.582398][ T8948]  ? rtnl_newlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:366 net/core/rtnetlink.c:4214)
[  533.582401][ T8948]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  533.582402][ T8948]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  533.582404][ T8948]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  533.582405][ T8948]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  533.582407][ T8948]  ? trace_contention_end (./include/trace/events/lock.h:121 (discriminator 22))
[  533.582409][ T8948]  ? __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)
[  533.582411][ T8948]  ? __mutex_lock (kernel/locking/mutex.c:656 (discriminator 1) kernel/locking/mutex.c:821 (discriminator 1))
[  533.582413][ T8948]  ? rtnl_newlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:366 net/core/rtnetlink.c:4214)
[  533.582416][ T8948]  ? ww_mutex_lock (kernel/locking/mutex.c:934)
[  533.582418][ T8948]  ? nla_get_range_signed (lib/nlattr.c:270)
[  533.582423][ T8948]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  533.582425][ T8948]  ? __rtnl_newlink (net/core/rtnetlink.c:4063)
[  533.582430][ T8948]  rtnl_newlink (net/core/rtnetlink.c:4215)
[  533.582436][ T8948]  ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558)
[  533.582438][ T8948]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[  533.582443][ T8948]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2))
[  533.582445][ T8948]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[  533.582447][ T8948]  ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558)
[  533.582449][ T8948]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554)
[  533.582453][ T8948]  ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558)
[  533.582455][ T8948]  rtnetlink_rcv_msg (net/core/rtnetlink.c:7132)
[  533.582458][ T8948]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[  533.582460][ T8948]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[  533.582464][ T8948]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2))
[  533.582466][ T8948]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[  533.582470][ T8948]  netlink_rcv_skb (net/netlink/af_netlink.c:2556)
[  533.582473][ T8948]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[  533.582476][ T8948]  ? netlink_ack (./include/linux/skbuff.h:2718)
[  533.582483][ T8948]  ? 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))
[  533.582485][ T8948]  ? 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))
[  533.582490][ T8948]  netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[  533.582494][ T8948]  ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[  533.582497][ T8948]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[  533.582501][ T8948]  netlink_sendmsg (net/netlink/af_netlink.c:1900)
[  533.582506][ T8948]  ? netlink_unicast (./include/net/net_namespace.h:422 (discriminator 7))
[  533.582510][ T8948]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554)
[  533.582511][ T8948]  ? __import_iovec (lib/iov_iter.c:1358 lib/iov_iter.c:1373)
[  533.582517][ T8948]  __sock_sendmsg (net/socket.c:800 (discriminator 4) net/socket.c:815 (discriminator 4))
[  533.582520][ T8948]  ____sys_sendmsg (net/socket.c:2713)
[  533.582522][ T8948]  ? copy_msghdr_from_user (net/socket.c:2650)
[  533.582524][ T8948]  ? sock_write_iter (net/socket.c:1269)
[  533.582526][ T8948]  ? move_addr_to_kernel (net/socket.c:258)
[  533.582534][ T8948]  ___sys_sendmsg (net/socket.c:2767)
[  533.582537][ T8948]  ? copy_msghdr_from_user (net/socket.c:2619)
[  533.582553][ T8948]  __sys_sendmsg (net/socket.c:2799)
[  533.582556][ T8948]  ? __sys_sendmsg_sock (net/socket.c:2780)
[  533.582566][ T8948]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  533.582570][ T8948]  do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84)
[  533.582573][ T8948]  ? exc_page_fault (arch/x86/mm/fault.c:1489 (discriminator 3) arch/x86/mm/fault.c:1536 (discriminator 3))
[  533.582576][ T8948]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[  533.582578][ T8948] RIP: 0033:0x7f3ea053954e
[  533.582582][ T8948] 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
[  533.582584][ T8948] RSP: 002b:00007ffc794889a0 EFLAGS: 00000202 ORIG_RAX: 000000000000002e
[  533.582586][ T8948] RAX: ffffffffffffffda RBX: 0000000000000005 RCX: 00007f3ea053954e
[  533.582588][ T8948] RDX: 0000000000000000 RSI: 00007ffc79488a50 RDI: 0000000000000005
[  533.582589][ T8948] RBP: 00007ffc794889b0 R08: 0000000000000000 R09: 0000000000000000
[  533.582590][ T8948] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a9152c3
[  533.582591][ T8948] R13: 00000000004a1620 R14: 0000000000000000 R15: 00007ffc79489120
| [  542.642185][ T9091] softirqs last disabled at (25720): netif_change_name (./include/linux/spinlock.h:353 ./include/linux/seqlock.h:908 net/core/dev.c:1499)
| [  542.642188][ T9091] Preemption disabled at:
| [  542.642189][ T9091] vprintk_emit (kernel/printk/printk.c:2471)
| [  542.642198][ T9091] Tainted: [W]=WARN
[  542.642199][ T9091] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[  542.642201][ T9091] Call Trace:
[  542.642203][ T9091]  <TASK>
[  542.642204][ T9091]  dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120)
[  542.642210][ T9091]  ? vprintk_emit (kernel/printk/printk.c:2471)
[  542.642212][ T9091]  __might_resched.cold (kernel/sched/core.c:9234)
[  542.642217][ T9091]  ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3))
[  542.642221][ T9091]  ? __kmalloc_noprof (./include/linux/sched/mm.h:317 mm/slub.c:4636 mm/slub.c:4974 mm/slub.c:5413 mm/slub.c:5439)
[  542.642226][ T9091]  __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))
[  542.642228][ T9091]  ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[  542.642235][ T9091]  ? 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)
[  542.642244][ T9091]  alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[  542.642248][ T9091]  put_chars (drivers/char/virtio_console.c:1176)
[  542.642251][ T9091]  ? __send_to_port (drivers/char/virtio_console.c:654)
[  542.642257][ T9091]  hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2))
[  542.642266][ T9091]  ? hvc_write (drivers/tty/hvc/hvc_console.c:501)
[  542.642269][ T9091]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  542.642274][ T9091]  console_emit_next_record (kernel/printk/printk.c:3183)
[  542.642278][ T9091]  ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20)
[  542.642280][ T9091]  ? 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))
[  542.642283][ T9091]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  542.642286][ T9091]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  542.642290][ T9091]  console_flush_one_record (kernel/printk/printk.c:3268)
[  542.642295][ T9091]  ? console_emit_next_record (kernel/printk/printk.c:3150)
[  542.642297][ T9091]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[  542.642302][ T9091]  console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420)
[  542.642305][ T9091]  ? console_flush_one_record (kernel/printk/printk.c:3316)
[  542.642307][ T9091]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  542.642309][ T9091]  ? 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)
[  542.642313][ T9091]  ? __down_trylock_console_sem (kernel/printk/printk.c:334)
[  542.642316][ T9091]  ? vprintk_emit (kernel/printk/printk.c:2478)
[  542.642321][ T9091]  vprintk_emit (kernel/printk/printk.c:2479)
[  542.642326][ T9091]  ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126))
[  542.642330][ T9091]  ? _mutex_trylock_nest_lock (kernel/locking/mutex.c:1227 (discriminator 6))
[  542.642335][ T9091]  _printk (kernel/printk/printk.c:2504)
[  542.642339][ T9091]  ? snapshot_read.cold (user.c:?)
[  542.642341][ T9091]  ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4116 (discriminator 3) kernel/rcu/tree.c:4108 (discriminator 3))
[  542.642344][ T9091]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380)
[  542.642346][ T9091]  ? validate_chain (kernel/locking/lockdep.c:3817 (discriminator 2) kernel/locking/lockdep.c:3837 (discriminator 2) kernel/locking/lockdep.c:3892 (discriminator 2))
[  542.642349][ T9091]  ? netdev_name (./include/linux/netdevice.h:5709 (discriminator 1))
[  542.642353][ T9091]  ? __netdev_printk (net/core/dev.c:13148 (discriminator 2))
[  542.642355][ T9091]  ? do_setlink.isra.0 (net/core/rtnetlink.c:3246)
[  542.642358][ T9091]  netdev_info (net/core/dev.c:13195 (discriminator 3))
[  542.642361][ T9091]  ? netdev_notice (net/core/dev.c:13194)
[  542.642364][ T9091]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[  542.642367][ T9091]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554)
[  542.642370][ T9091]  ? mark_held_locks (kernel/locking/lockdep.c:4341)
[  542.642374][ T9091]  ? do_setlink.isra.0 (net/core/rtnetlink.c:3246)
[  542.642376][ T9091]  netif_change_name.cold (net/core/dev.c:1507 (discriminator 3))
[  542.642378][ T9091]  ? register_netdev (net/core/dev.c:11618)
[  542.642379][ T9091]  ? 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))
[  542.642385][ T9091]  ? netdev_adjacent_rename_links (net/core/dev.c:9598)
[  542.642388][ T9091]  ? __kernel_text_address (kernel/extable.c:79)
[  542.642390][ T9091]  ? write_profile (profile.c:?)
[  542.642394][ T9091]  ? __asan_memset (mm/kasan/shadow.c:84 (discriminator 1))
[  542.642400][ T9091]  do_setlink.isra.0 (net/core/rtnetlink.c:3246)
[  542.642404][ T9091]  ? stack_trace_save (kernel/stacktrace.c:122 (discriminator 1))
[  542.642406][ T9091]  ? rtnl_link_get_size (net/core/rtnetlink.c:747)
[  542.642408][ T9091]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:388 kernel/rcu/update.c:380)
[  542.642410][ T9091]  ? stack_depot_save_flags (lib/stackdepot.c:609 (discriminator 2) lib/stackdepot.c:676 (discriminator 2))
[  542.642413][ T9091]  ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4116 (discriminator 3) kernel/rcu/tree.c:4108 (discriminator 3))
[  542.642415][ T9091]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380)
[  542.642417][ T9091]  ? validate_chain (kernel/locking/lockdep.c:3817 (discriminator 2) kernel/locking/lockdep.c:3837 (discriminator 2) kernel/locking/lockdep.c:3892 (discriminator 2))
[  542.642420][ T9091]  ? kasan_save_stack (mm/kasan/common.c:58)
[  542.642422][ T9091]  ? kasan_save_stack (mm/kasan/common.c:57)
[  542.642423][ T9091]  ? kasan_save_track (mm/kasan/common.c:78)
[  542.642424][ T9091]  ? __kasan_kmalloc (mm/kasan/common.c:398 mm/kasan/common.c:415)
[  542.642427][ T9091]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[  542.642429][ T9091]  ? snd_ac97_proc_read_main (sound/pci/ac97/ac97_proc.c:320)
[  542.642432][ T9091]  ? ___sys_sendmsg (net/socket.c:2758)
[  542.642436][ T9091]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2))
[  542.642438][ T9091]  ? rtnl_newlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:366 net/core/rtnetlink.c:4214)
[  542.642441][ T9091]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  542.642442][ T9091]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  542.642444][ T9091]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  542.642445][ T9091]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  542.642447][ T9091]  ? trace_contention_end (./include/trace/events/lock.h:121 (discriminator 22))
[  542.642450][ T9091]  ? __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)
[  542.642451][ T9091]  ? __mutex_lock (kernel/locking/mutex.c:656 (discriminator 1) kernel/locking/mutex.c:821 (discriminator 1))
[  542.642453][ T9091]  ? rtnl_newlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:366 net/core/rtnetlink.c:4214)
[  542.642457][ T9091]  ? ww_mutex_lock (kernel/locking/mutex.c:934)
[  542.642458][ T9091]  ? nla_get_range_signed (lib/nlattr.c:270)
[  542.642463][ T9091]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  542.642465][ T9091]  ? __rtnl_newlink (net/core/rtnetlink.c:4063)
[  542.642471][ T9091]  rtnl_newlink (net/core/rtnetlink.c:4215)
[  542.642477][ T9091]  ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558)
[  542.642479][ T9091]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[  542.642483][ T9091]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2))
[  542.642485][ T9091]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[  542.642488][ T9091]  ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558)
[  542.642489][ T9091]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554)
[  542.642494][ T9091]  ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558)
[  542.642496][ T9091]  rtnetlink_rcv_msg (net/core/rtnetlink.c:7132)
[  542.642499][ T9091]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[  542.642501][ T9091]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[  542.642505][ T9091]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2))
[  542.642507][ T9091]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[  542.642511][ T9091]  netlink_rcv_skb (net/netlink/af_netlink.c:2556)
[  542.642514][ T9091]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[  542.642517][ T9091]  ? netlink_ack (./include/linux/skbuff.h:2718)
[  542.642524][ T9091]  ? 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))
[  542.642526][ T9091]  ? 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))
[  542.642531][ T9091]  netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[  542.642535][ T9091]  ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[  542.642538][ T9091]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[  542.642543][ T9091]  netlink_sendmsg (net/netlink/af_netlink.c:1900)
[  542.642547][ T9091]  ? netlink_unicast (./include/net/net_namespace.h:422 (discriminator 7))
[  542.642551][ T9091]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554)
[  542.642553][ T9091]  ? __import_iovec (lib/iov_iter.c:1358 lib/iov_iter.c:1373)
[  542.642558][ T9091]  __sock_sendmsg (net/socket.c:800 (discriminator 4) net/socket.c:815 (discriminator 4))
[  542.642561][ T9091]  ____sys_sendmsg (net/socket.c:2713)
[  542.642567][ T9091]  ? copy_msghdr_from_user (net/socket.c:2650)
[  542.642569][ T9091]  ? sock_write_iter (net/socket.c:1269)
[  542.642571][ T9091]  ? move_addr_to_kernel (net/socket.c:258)
[  542.642579][ T9091]  ___sys_sendmsg (net/socket.c:2767)
[  542.642582][ T9091]  ? copy_msghdr_from_user (net/socket.c:2619)
[  542.642599][ T9091]  __sys_sendmsg (net/socket.c:2799)
[  542.642602][ T9091]  ? __sys_sendmsg_sock (net/socket.c:2780)
[  542.642608][ T9091]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  542.642612][ T9091]  do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84)
[  542.642614][ T9091]  ? exc_page_fault (arch/x86/mm/fault.c:1489 (discriminator 3) arch/x86/mm/fault.c:1536 (discriminator 3))
[  542.642618][ T9091]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[  542.642620][ T9091] RIP: 0033:0x7f91aa4a354e
[  542.642624][ T9091] 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
[  542.642626][ T9091] RSP: 002b:00007fff91131030 EFLAGS: 00000202 ORIG_RAX: 000000000000002e
[  542.642628][ T9091] RAX: ffffffffffffffda RBX: 0000000000000005 RCX: 00007f91aa4a354e
[  542.642630][ T9091] RDX: 0000000000000000 RSI: 00007fff911310e0 RDI: 0000000000000005
[  542.642631][ T9091] RBP: 00007fff91131040 R08: 0000000000000000 R09: 0000000000000000
[  542.642632][ T9091] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a9152cc
[  542.642632][ T9091] R13: 00000000004a1620 R14: 0000000000000000 R15: 00007fff911317b0
| [  551.814197][ T9234] softirqs last disabled at (18212): netif_change_name (./include/linux/spinlock.h:353 ./include/linux/seqlock.h:908 net/core/dev.c:1499)
| [  551.814200][ T9234] Preemption disabled at:
| [  551.814201][ T9234] vprintk_emit (kernel/printk/printk.c:2471)
| [  551.814210][ T9234] Tainted: [W]=WARN
[  551.814211][ T9234] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[  551.814212][ T9234] Call Trace:
[  551.814214][ T9234]  <TASK>
[  551.814215][ T9234]  dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120)
[  551.814221][ T9234]  ? vprintk_emit (kernel/printk/printk.c:2471)
[  551.814223][ T9234]  __might_resched.cold (kernel/sched/core.c:9234)
[  551.814228][ T9234]  ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3))
[  551.814232][ T9234]  ? __kmalloc_noprof (./include/linux/sched/mm.h:317 mm/slub.c:4636 mm/slub.c:4974 mm/slub.c:5413 mm/slub.c:5439)
[  551.814237][ T9234]  __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))
[  551.814239][ T9234]  ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[  551.814245][ T9234]  ? 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)
[  551.814248][ T9234]  alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[  551.814252][ T9234]  put_chars (drivers/char/virtio_console.c:1176)
[  551.814255][ T9234]  ? __send_to_port (drivers/char/virtio_console.c:654)
[  551.814261][ T9234]  hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2))
[  551.814269][ T9234]  ? hvc_write (drivers/tty/hvc/hvc_console.c:501)
[  551.814273][ T9234]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  551.814277][ T9234]  console_emit_next_record (kernel/printk/printk.c:3183)
[  551.814281][ T9234]  ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20)
[  551.814283][ T9234]  ? 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))
[  551.814287][ T9234]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  551.814289][ T9234]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  551.814293][ T9234]  console_flush_one_record (kernel/printk/printk.c:3268)
[  551.814298][ T9234]  ? console_emit_next_record (kernel/printk/printk.c:3150)
[  551.814300][ T9234]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[  551.814311][ T9234]  console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420)
[  551.814316][ T9234]  ? console_flush_one_record (kernel/printk/printk.c:3316)
[  551.814318][ T9234]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  551.814321][ T9234]  ? 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)
[  551.814326][ T9234]  ? __down_trylock_console_sem (kernel/printk/printk.c:334)
[  551.814328][ T9234]  ? vprintk_emit (kernel/printk/printk.c:2478)
[  551.814331][ T9234]  vprintk_emit (kernel/printk/printk.c:2479)
[  551.814334][ T9234]  ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126))
[  551.814337][ T9234]  ? _mutex_trylock_nest_lock (kernel/locking/mutex.c:1227 (discriminator 6))
[  551.814342][ T9234]  _printk (kernel/printk/printk.c:2504)
[  551.814346][ T9234]  ? snapshot_read.cold (user.c:?)
[  551.814348][ T9234]  ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4116 (discriminator 3) kernel/rcu/tree.c:4108 (discriminator 3))
[  551.814351][ T9234]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380)
[  551.814353][ T9234]  ? validate_chain (kernel/locking/lockdep.c:3817 (discriminator 2) kernel/locking/lockdep.c:3837 (discriminator 2) kernel/locking/lockdep.c:3892 (discriminator 2))
[  551.814356][ T9234]  ? netdev_name (./include/linux/netdevice.h:5709 (discriminator 1))
[  551.814360][ T9234]  ? __netdev_printk (net/core/dev.c:13148 (discriminator 2))
[  551.814363][ T9234]  ? do_setlink.isra.0 (net/core/rtnetlink.c:3246)
[  551.814365][ T9234]  netdev_info (net/core/dev.c:13195 (discriminator 3))
[  551.814368][ T9234]  ? netdev_notice (net/core/dev.c:13194)
[  551.814371][ T9234]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[  551.814374][ T9234]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554)
[  551.814377][ T9234]  ? mark_held_locks (kernel/locking/lockdep.c:4341)
[  551.814380][ T9234]  ? do_setlink.isra.0 (net/core/rtnetlink.c:3246)
[  551.814382][ T9234]  netif_change_name.cold (net/core/dev.c:1507 (discriminator 3))
[  551.814385][ T9234]  ? register_netdev (net/core/dev.c:11618)
[  551.814386][ T9234]  ? 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))
[  551.814392][ T9234]  ? netdev_adjacent_rename_links (net/core/dev.c:9598)
[  551.814394][ T9234]  ? __kernel_text_address (kernel/extable.c:79)
[  551.814397][ T9234]  ? write_profile (profile.c:?)
[  551.814401][ T9234]  ? __asan_memset (mm/kasan/shadow.c:84 (discriminator 1))
[  551.814407][ T9234]  do_setlink.isra.0 (net/core/rtnetlink.c:3246)
[  551.814411][ T9234]  ? stack_trace_save (kernel/stacktrace.c:122 (discriminator 1))
[  551.814413][ T9234]  ? rtnl_link_get_size (net/core/rtnetlink.c:747)
[  551.814414][ T9234]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:388 kernel/rcu/update.c:380)
[  551.814416][ T9234]  ? stack_depot_save_flags (lib/stackdepot.c:609 (discriminator 2) lib/stackdepot.c:676 (discriminator 2))
[  551.814420][ T9234]  ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4116 (discriminator 3) kernel/rcu/tree.c:4108 (discriminator 3))
[  551.814422][ T9234]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380)
[  551.814423][ T9234]  ? validate_chain (kernel/locking/lockdep.c:3817 (discriminator 2) kernel/locking/lockdep.c:3837 (discriminator 2) kernel/locking/lockdep.c:3892 (discriminator 2))
[  551.814426][ T9234]  ? kasan_save_stack (mm/kasan/common.c:58)
[  551.814428][ T9234]  ? kasan_save_stack (mm/kasan/common.c:57)
[  551.814429][ T9234]  ? kasan_save_track (mm/kasan/common.c:78)
[  551.814430][ T9234]  ? __kasan_kmalloc (mm/kasan/common.c:398 mm/kasan/common.c:415)
[  551.814433][ T9234]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[  551.814435][ T9234]  ? snd_ac97_proc_read_main (sound/pci/ac97/ac97_proc.c:320)
[  551.814438][ T9234]  ? ___sys_sendmsg (net/socket.c:2758)
[  551.814442][ T9234]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2))
[  551.814444][ T9234]  ? rtnl_newlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:366 net/core/rtnetlink.c:4214)
[  551.814447][ T9234]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  551.814449][ T9234]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  551.814450][ T9234]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  551.814451][ T9234]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  551.814453][ T9234]  ? trace_contention_end (./include/trace/events/lock.h:121 (discriminator 22))
[  551.814456][ T9234]  ? __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)
[  551.814457][ T9234]  ? __mutex_lock (kernel/locking/mutex.c:656 (discriminator 1) kernel/locking/mutex.c:821 (discriminator 1))
[  551.814459][ T9234]  ? rtnl_newlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:366 net/core/rtnetlink.c:4214)
[  551.814463][ T9234]  ? ww_mutex_lock (kernel/locking/mutex.c:934)
[  551.814464][ T9234]  ? nla_get_range_signed (lib/nlattr.c:270)
[  551.814469][ T9234]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  551.814471][ T9234]  ? __rtnl_newlink (net/core/rtnetlink.c:4063)
[  551.814477][ T9234]  rtnl_newlink (net/core/rtnetlink.c:4215)
[  551.814482][ T9234]  ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558)
[  551.814484][ T9234]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[  551.814489][ T9234]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2))
[  551.814491][ T9234]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[  551.814493][ T9234]  ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558)
[  551.814495][ T9234]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554)
[  551.814499][ T9234]  ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558)
[  551.814501][ T9234]  rtnetlink_rcv_msg (net/core/rtnetlink.c:7132)
[  551.814504][ T9234]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[  551.814505][ T9234]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[  551.814510][ T9234]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2))
[  551.814512][ T9234]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[  551.814516][ T9234]  netlink_rcv_skb (net/netlink/af_netlink.c:2556)
[  551.814519][ T9234]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[  551.814522][ T9234]  ? netlink_ack (./include/linux/skbuff.h:2718)
[  551.814529][ T9234]  ? 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))
[  551.814531][ T9234]  ? 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))
[  551.814536][ T9234]  netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[  551.814540][ T9234]  ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[  551.814543][ T9234]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[  551.814547][ T9234]  netlink_sendmsg (net/netlink/af_netlink.c:1900)
[  551.814551][ T9234]  ? netlink_unicast (./include/net/net_namespace.h:422 (discriminator 7))
[  551.814555][ T9234]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554)
[  551.814557][ T9234]  ? __import_iovec (lib/iov_iter.c:1358 lib/iov_iter.c:1373)
[  551.814565][ T9234]  __sock_sendmsg (net/socket.c:800 (discriminator 4) net/socket.c:815 (discriminator 4))
[  551.814569][ T9234]  ____sys_sendmsg (net/socket.c:2713)
[  551.814571][ T9234]  ? copy_msghdr_from_user (net/socket.c:2650)
[  551.814573][ T9234]  ? sock_write_iter (net/socket.c:1269)
[  551.814575][ T9234]  ? move_addr_to_kernel (net/socket.c:258)
[  551.814583][ T9234]  ___sys_sendmsg (net/socket.c:2767)
[  551.814586][ T9234]  ? copy_msghdr_from_user (net/socket.c:2619)
[  551.814603][ T9234]  __sys_sendmsg (net/socket.c:2799)
[  551.814606][ T9234]  ? __sys_sendmsg_sock (net/socket.c:2780)
[  551.814612][ T9234]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  551.814615][ T9234]  do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84)
[  551.814618][ T9234]  ? exc_page_fault (arch/x86/mm/fault.c:1489 (discriminator 3) arch/x86/mm/fault.c:1536 (discriminator 3))
[  551.814622][ T9234]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[  551.814624][ T9234] RIP: 0033:0x7f4c2ef9654e
[  551.814628][ T9234] 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
[  551.814630][ T9234] RSP: 002b:00007fff7f8e3ee0 EFLAGS: 00000202 ORIG_RAX: 000000000000002e
[  551.814633][ T9234] RAX: ffffffffffffffda RBX: 0000000000000005 RCX: 00007f4c2ef9654e
[  551.814634][ T9234] RDX: 0000000000000000 RSI: 00007fff7f8e3f90 RDI: 0000000000000005
[  551.814635][ T9234] RBP: 00007fff7f8e3ef0 R08: 0000000000000000 R09: 0000000000000000
[  551.814636][ T9234] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a9152d6
[  551.814637][ T9234] R13: 00000000004a1620 R14: 0000000000000000 R15: 00007fff7f8e4660
| [  560.985336][ T9378] softirqs last disabled at (21568): netif_change_name (./include/linux/spinlock.h:353 ./include/linux/seqlock.h:908 net/core/dev.c:1499)
| [  560.985339][ T9378] Preemption disabled at:
| [  560.985340][ T9378] vprintk_emit (kernel/printk/printk.c:2471)
| [  560.985349][ T9378] Tainted: [W]=WARN
[  560.985350][ T9378] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[  560.985351][ T9378] Call Trace:
[  560.985353][ T9378]  <TASK>
[  560.985354][ T9378]  dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120)
[  560.985361][ T9378]  ? vprintk_emit (kernel/printk/printk.c:2471)
[  560.985362][ T9378]  __might_resched.cold (kernel/sched/core.c:9234)
[  560.985367][ T9378]  ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3))
[  560.985372][ T9378]  ? __kmalloc_noprof (./include/linux/sched/mm.h:317 mm/slub.c:4636 mm/slub.c:4974 mm/slub.c:5413 mm/slub.c:5439)
[  560.985382][ T9378]  __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))
[  560.985384][ T9378]  ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[  560.985391][ T9378]  ? 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)
[  560.985394][ T9378]  alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[  560.985398][ T9378]  put_chars (drivers/char/virtio_console.c:1176)
[  560.985401][ T9378]  ? __send_to_port (drivers/char/virtio_console.c:654)
[  560.985407][ T9378]  hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2))
[  560.985415][ T9378]  ? hvc_write (drivers/tty/hvc/hvc_console.c:501)
[  560.985418][ T9378]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  560.985423][ T9378]  console_emit_next_record (kernel/printk/printk.c:3183)
[  560.985428][ T9378]  ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20)
[  560.985430][ T9378]  ? 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))
[  560.985433][ T9378]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  560.985436][ T9378]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  560.985440][ T9378]  console_flush_one_record (kernel/printk/printk.c:3268)
[  560.985444][ T9378]  ? console_emit_next_record (kernel/printk/printk.c:3150)
[  560.985446][ T9378]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[  560.985452][ T9378]  console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420)
[  560.985455][ T9378]  ? console_flush_one_record (kernel/printk/printk.c:3316)
[  560.985457][ T9378]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  560.985458][ T9378]  ? 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)
[  560.985462][ T9378]  ? __down_trylock_console_sem (kernel/printk/printk.c:334)
[  560.985464][ T9378]  ? vprintk_emit (kernel/printk/printk.c:2478)
[  560.985467][ T9378]  vprintk_emit (kernel/printk/printk.c:2479)
[  560.985470][ T9378]  ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126))
[  560.985473][ T9378]  ? _mutex_trylock_nest_lock (kernel/locking/mutex.c:1227 (discriminator 6))
[  560.985479][ T9378]  _printk (kernel/printk/printk.c:2504)
[  560.985483][ T9378]  ? snapshot_read.cold (user.c:?)
[  560.985484][ T9378]  ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4116 (discriminator 3) kernel/rcu/tree.c:4108 (discriminator 3))
[  560.985487][ T9378]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380)
[  560.985490][ T9378]  ? validate_chain (kernel/locking/lockdep.c:3817 (discriminator 2) kernel/locking/lockdep.c:3837 (discriminator 2) kernel/locking/lockdep.c:3892 (discriminator 2))
[  560.985492][ T9378]  ? netdev_name (./include/linux/netdevice.h:5709 (discriminator 1))
[  560.985496][ T9378]  ? __netdev_printk (net/core/dev.c:13148 (discriminator 2))
[  560.985499][ T9378]  ? do_setlink.isra.0 (net/core/rtnetlink.c:3246)
[  560.985502][ T9378]  netdev_info (net/core/dev.c:13195 (discriminator 3))
[  560.985505][ T9378]  ? netdev_notice (net/core/dev.c:13194)
[  560.985507][ T9378]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[  560.985511][ T9378]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554)
[  560.985513][ T9378]  ? mark_held_locks (kernel/locking/lockdep.c:4341)
[  560.985517][ T9378]  ? do_setlink.isra.0 (net/core/rtnetlink.c:3246)
[  560.985519][ T9378]  netif_change_name.cold (net/core/dev.c:1507 (discriminator 3))
[  560.985521][ T9378]  ? register_netdev (net/core/dev.c:11618)
[  560.985523][ T9378]  ? 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))
[  560.985528][ T9378]  ? netdev_adjacent_rename_links (net/core/dev.c:9598)
[  560.985531][ T9378]  ? __kernel_text_address (kernel/extable.c:79)
[  560.985534][ T9378]  ? write_profile (profile.c:?)
[  560.985538][ T9378]  ? __asan_memset (mm/kasan/shadow.c:84 (discriminator 1))
[  560.985544][ T9378]  do_setlink.isra.0 (net/core/rtnetlink.c:3246)
[  560.985547][ T9378]  ? stack_trace_save (kernel/stacktrace.c:122 (discriminator 1))
[  560.985549][ T9378]  ? rtnl_link_get_size (net/core/rtnetlink.c:747)
[  560.985551][ T9378]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:388 kernel/rcu/update.c:380)
[  560.985553][ T9378]  ? stack_depot_save_flags (lib/stackdepot.c:609 (discriminator 2) lib/stackdepot.c:676 (discriminator 2))
[  560.985556][ T9378]  ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4116 (discriminator 3) kernel/rcu/tree.c:4108 (discriminator 3))
[  560.985558][ T9378]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380)
[  560.985560][ T9378]  ? validate_chain (kernel/locking/lockdep.c:3817 (discriminator 2) kernel/locking/lockdep.c:3837 (discriminator 2) kernel/locking/lockdep.c:3892 (discriminator 2))
[  560.985566][ T9378]  ? kasan_save_stack (mm/kasan/common.c:58)
[  560.985568][ T9378]  ? kasan_save_stack (mm/kasan/common.c:57)
[  560.985570][ T9378]  ? kasan_save_track (mm/kasan/common.c:78)
[  560.985571][ T9378]  ? __kasan_kmalloc (mm/kasan/common.c:398 mm/kasan/common.c:415)
[  560.985573][ T9378]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[  560.985576][ T9378]  ? snd_ac97_proc_read_main (sound/pci/ac97/ac97_proc.c:320)
[  560.985579][ T9378]  ? ___sys_sendmsg (net/socket.c:2758)
[  560.985583][ T9378]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2))
[  560.985585][ T9378]  ? rtnl_newlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:366 net/core/rtnetlink.c:4214)
[  560.985588][ T9378]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  560.985590][ T9378]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  560.985591][ T9378]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  560.985593][ T9378]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  560.985594][ T9378]  ? trace_contention_end (./include/trace/events/lock.h:121 (discriminator 22))
[  560.985597][ T9378]  ? __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)
[  560.985598][ T9378]  ? __mutex_lock (kernel/locking/mutex.c:656 (discriminator 1) kernel/locking/mutex.c:821 (discriminator 1))
[  560.985600][ T9378]  ? rtnl_newlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:366 net/core/rtnetlink.c:4214)
[  560.985604][ T9378]  ? ww_mutex_lock (kernel/locking/mutex.c:934)
[  560.985605][ T9378]  ? nla_get_range_signed (lib/nlattr.c:270)
[  560.985610][ T9378]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  560.985613][ T9378]  ? __rtnl_newlink (net/core/rtnetlink.c:4063)
[  560.985618][ T9378]  rtnl_newlink (net/core/rtnetlink.c:4215)
[  560.985624][ T9378]  ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558)
[  560.985626][ T9378]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[  560.985630][ T9378]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2))
[  560.985632][ T9378]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[  560.985634][ T9378]  ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558)
[  560.985636][ T9378]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554)
[  560.985640][ T9378]  ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558)
[  560.985642][ T9378]  rtnetlink_rcv_msg (net/core/rtnetlink.c:7132)
[  560.985646][ T9378]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[  560.985647][ T9378]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[  560.985652][ T9378]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2))
[  560.985654][ T9378]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[  560.985657][ T9378]  netlink_rcv_skb (net/netlink/af_netlink.c:2556)
[  560.985661][ T9378]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[  560.985664][ T9378]  ? netlink_ack (./include/linux/skbuff.h:2718)
[  560.985670][ T9378]  ? 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))
[  560.985673][ T9378]  ? 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))
[  560.985677][ T9378]  netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[  560.985681][ T9378]  ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[  560.985684][ T9378]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[  560.985689][ T9378]  netlink_sendmsg (net/netlink/af_netlink.c:1900)
[  560.985693][ T9378]  ? netlink_unicast (./include/net/net_namespace.h:422 (discriminator 7))
[  560.985697][ T9378]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554)
[  560.985698][ T9378]  ? __import_iovec (lib/iov_iter.c:1358 lib/iov_iter.c:1373)
[  560.985704][ T9378]  __sock_sendmsg (net/socket.c:800 (discriminator 4) net/socket.c:815 (discriminator 4))
[  560.985707][ T9378]  ____sys_sendmsg (net/socket.c:2713)
[  560.985709][ T9378]  ? copy_msghdr_from_user (net/socket.c:2650)
[  560.985711][ T9378]  ? sock_write_iter (net/socket.c:1269)
[  560.985713][ T9378]  ? move_addr_to_kernel (net/socket.c:258)
[  560.985721][ T9378]  ___sys_sendmsg (net/socket.c:2767)
[  560.985724][ T9378]  ? copy_msghdr_from_user (net/socket.c:2619)
[  560.985740][ T9378]  __sys_sendmsg (net/socket.c:2799)
[  560.985743][ T9378]  ? __sys_sendmsg_sock (net/socket.c:2780)
[  560.985749][ T9378]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  560.985752][ T9378]  do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84)
[  560.985756][ T9378]  ? exc_page_fault (arch/x86/mm/fault.c:1489 (discriminator 3) arch/x86/mm/fault.c:1536 (discriminator 3))
[  560.985759][ T9378]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[  560.985761][ T9378] RIP: 0033:0x7f1aef42e54e
[  560.985765][ T9378] 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
[  560.985767][ T9378] RSP: 002b:00007fffd60e95a0 EFLAGS: 00000202 ORIG_RAX: 000000000000002e
[  560.985770][ T9378] RAX: ffffffffffffffda RBX: 0000000000000005 RCX: 00007f1aef42e54e
[  560.985771][ T9378] RDX: 0000000000000000 RSI: 00007fffd60e9650 RDI: 0000000000000005
[  560.985772][ T9378] RBP: 00007fffd60e95b0 R08: 0000000000000000 R09: 0000000000000000
[  560.985773][ T9378] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a9152df
[  560.985774][ T9378] R13: 00000000004a1620 R14: 0000000000000000 R15: 00007fffd60e9d20
| [  570.090233][ T9521] softirqs last disabled at (24194): netif_change_name (./include/linux/spinlock.h:353 ./include/linux/seqlock.h:908 net/core/dev.c:1499)
| [  570.090236][ T9521] Preemption disabled at:
| [  570.090236][ T9521] vprintk_emit (kernel/printk/printk.c:2471)
| [  570.090245][ T9521] Tainted: [W]=WARN
[  570.090246][ T9521] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[  570.090247][ T9521] Call Trace:
[  570.090249][ T9521]  <TASK>
[  570.090251][ T9521]  dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120)
[  570.090257][ T9521]  ? vprintk_emit (kernel/printk/printk.c:2471)
[  570.090258][ T9521]  __might_resched.cold (kernel/sched/core.c:9234)
[  570.090263][ T9521]  ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3))
[  570.090267][ T9521]  ? __kmalloc_noprof (./include/linux/sched/mm.h:317 mm/slub.c:4636 mm/slub.c:4974 mm/slub.c:5413 mm/slub.c:5439)
[  570.090272][ T9521]  __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))
[  570.090274][ T9521]  ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[  570.090281][ T9521]  ? 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)
[  570.090283][ T9521]  alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[  570.090287][ T9521]  put_chars (drivers/char/virtio_console.c:1176)
[  570.090290][ T9521]  ? __send_to_port (drivers/char/virtio_console.c:654)
[  570.090297][ T9521]  hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2))
[  570.090305][ T9521]  ? hvc_write (drivers/tty/hvc/hvc_console.c:501)
[  570.090308][ T9521]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  570.090313][ T9521]  console_emit_next_record (kernel/printk/printk.c:3183)
[  570.090320][ T9521]  ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20)
[  570.090322][ T9521]  ? 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))
[  570.090326][ T9521]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  570.090329][ T9521]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  570.090333][ T9521]  console_flush_one_record (kernel/printk/printk.c:3268)
[  570.090337][ T9521]  ? console_emit_next_record (kernel/printk/printk.c:3150)
[  570.090340][ T9521]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[  570.090345][ T9521]  console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420)
[  570.090348][ T9521]  ? console_flush_one_record (kernel/printk/printk.c:3316)
[  570.090350][ T9521]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  570.090352][ T9521]  ? 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)
[  570.090356][ T9521]  ? __down_trylock_console_sem (kernel/printk/printk.c:334)
[  570.090357][ T9521]  ? vprintk_emit (kernel/printk/printk.c:2478)
[  570.090360][ T9521]  vprintk_emit (kernel/printk/printk.c:2479)
[  570.090364][ T9521]  ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126))
[  570.090366][ T9521]  ? _mutex_trylock_nest_lock (kernel/locking/mutex.c:1227 (discriminator 6))
[  570.090372][ T9521]  _printk (kernel/printk/printk.c:2504)
[  570.090376][ T9521]  ? snapshot_read.cold (user.c:?)
[  570.090377][ T9521]  ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4116 (discriminator 3) kernel/rcu/tree.c:4108 (discriminator 3))
[  570.090380][ T9521]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380)
[  570.090383][ T9521]  ? validate_chain (kernel/locking/lockdep.c:3817 (discriminator 2) kernel/locking/lockdep.c:3837 (discriminator 2) kernel/locking/lockdep.c:3892 (discriminator 2))
[  570.090385][ T9521]  ? netdev_name (./include/linux/netdevice.h:5709 (discriminator 1))
[  570.090390][ T9521]  ? __netdev_printk (net/core/dev.c:13148 (discriminator 2))
[  570.090393][ T9521]  ? do_setlink.isra.0 (net/core/rtnetlink.c:3246)
[  570.090395][ T9521]  netdev_info (net/core/dev.c:13195 (discriminator 3))
[  570.090398][ T9521]  ? netdev_notice (net/core/dev.c:13194)
[  570.090401][ T9521]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[  570.090404][ T9521]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554)
[  570.090406][ T9521]  ? mark_held_locks (kernel/locking/lockdep.c:4341)
[  570.090410][ T9521]  ? do_setlink.isra.0 (net/core/rtnetlink.c:3246)
[  570.090412][ T9521]  netif_change_name.cold (net/core/dev.c:1507 (discriminator 3))
[  570.090415][ T9521]  ? register_netdev (net/core/dev.c:11618)
[  570.090416][ T9521]  ? 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))
[  570.090422][ T9521]  ? netdev_adjacent_rename_links (net/core/dev.c:9598)
[  570.090424][ T9521]  ? __kernel_text_address (kernel/extable.c:79)
[  570.090427][ T9521]  ? write_profile (profile.c:?)
[  570.090431][ T9521]  ? __asan_memset (mm/kasan/shadow.c:84 (discriminator 1))
[  570.090437][ T9521]  do_setlink.isra.0 (net/core/rtnetlink.c:3246)
[  570.090441][ T9521]  ? stack_trace_save (kernel/stacktrace.c:122 (discriminator 1))
[  570.090443][ T9521]  ? rtnl_link_get_size (net/core/rtnetlink.c:747)
[  570.090444][ T9521]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:388 kernel/rcu/update.c:380)
[  570.090451][ T9521]  ? stack_depot_save_flags (lib/stackdepot.c:609 (discriminator 2) lib/stackdepot.c:676 (discriminator 2))
[  570.090455][ T9521]  ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4116 (discriminator 3) kernel/rcu/tree.c:4108 (discriminator 3))
[  570.090457][ T9521]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380)
[  570.090458][ T9521]  ? validate_chain (kernel/locking/lockdep.c:3817 (discriminator 2) kernel/locking/lockdep.c:3837 (discriminator 2) kernel/locking/lockdep.c:3892 (discriminator 2))
[  570.090461][ T9521]  ? kasan_save_stack (mm/kasan/common.c:58)
[  570.090463][ T9521]  ? kasan_save_stack (mm/kasan/common.c:57)
[  570.090464][ T9521]  ? kasan_save_track (mm/kasan/common.c:78)
[  570.090466][ T9521]  ? __kasan_kmalloc (mm/kasan/common.c:398 mm/kasan/common.c:415)
[  570.090468][ T9521]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[  570.090470][ T9521]  ? snd_ac97_proc_read_main (sound/pci/ac97/ac97_proc.c:320)
[  570.090473][ T9521]  ? ___sys_sendmsg (net/socket.c:2758)
[  570.090477][ T9521]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2))
[  570.090480][ T9521]  ? rtnl_newlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:366 net/core/rtnetlink.c:4214)
[  570.090482][ T9521]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  570.090484][ T9521]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  570.090486][ T9521]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  570.090487][ T9521]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  570.090489][ T9521]  ? trace_contention_end (./include/trace/events/lock.h:121 (discriminator 22))
[  570.090491][ T9521]  ? __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)
[  570.090492][ T9521]  ? __mutex_lock (kernel/locking/mutex.c:656 (discriminator 1) kernel/locking/mutex.c:821 (discriminator 1))
[  570.090494][ T9521]  ? rtnl_newlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:366 net/core/rtnetlink.c:4214)
[  570.090498][ T9521]  ? ww_mutex_lock (kernel/locking/mutex.c:934)
[  570.090499][ T9521]  ? nla_get_range_signed (lib/nlattr.c:270)
[  570.090504][ T9521]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  570.090506][ T9521]  ? __rtnl_newlink (net/core/rtnetlink.c:4063)
[  570.090512][ T9521]  rtnl_newlink (net/core/rtnetlink.c:4215)
[  570.090517][ T9521]  ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558)
[  570.090519][ T9521]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[  570.090524][ T9521]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2))
[  570.090526][ T9521]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[  570.090528][ T9521]  ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558)
[  570.090530][ T9521]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554)
[  570.090534][ T9521]  ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558)
[  570.090536][ T9521]  rtnetlink_rcv_msg (net/core/rtnetlink.c:7132)
[  570.090539][ T9521]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[  570.090541][ T9521]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[  570.090545][ T9521]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2))
[  570.090547][ T9521]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[  570.090551][ T9521]  netlink_rcv_skb (net/netlink/af_netlink.c:2556)
[  570.090554][ T9521]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[  570.090557][ T9521]  ? netlink_ack (./include/linux/skbuff.h:2718)
[  570.090568][ T9521]  ? 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))
[  570.090570][ T9521]  ? 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))
[  570.090575][ T9521]  netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[  570.090579][ T9521]  ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[  570.090582][ T9521]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[  570.090586][ T9521]  netlink_sendmsg (net/netlink/af_netlink.c:1900)
[  570.090590][ T9521]  ? netlink_unicast (./include/net/net_namespace.h:422 (discriminator 7))
[  570.090594][ T9521]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554)
[  570.090596][ T9521]  ? __import_iovec (lib/iov_iter.c:1358 lib/iov_iter.c:1373)
[  570.090601][ T9521]  __sock_sendmsg (net/socket.c:800 (discriminator 4) net/socket.c:815 (discriminator 4))
[  570.090604][ T9521]  ____sys_sendmsg (net/socket.c:2713)
[  570.090607][ T9521]  ? copy_msghdr_from_user (net/socket.c:2650)
[  570.090609][ T9521]  ? sock_write_iter (net/socket.c:1269)
[  570.090611][ T9521]  ? move_addr_to_kernel (net/socket.c:258)
[  570.090618][ T9521]  ___sys_sendmsg (net/socket.c:2767)
[  570.090621][ T9521]  ? copy_msghdr_from_user (net/socket.c:2619)
[  570.090638][ T9521]  __sys_sendmsg (net/socket.c:2799)
[  570.090641][ T9521]  ? __sys_sendmsg_sock (net/socket.c:2780)
[  570.090648][ T9521]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  570.090651][ T9521]  do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84)
[  570.090654][ T9521]  ? exc_page_fault (arch/x86/mm/fault.c:1489 (discriminator 3) arch/x86/mm/fault.c:1536 (discriminator 3))
[  570.090657][ T9521]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[  570.090659][ T9521] RIP: 0033:0x7f4dd9b4e54e
[  570.090663][ T9521] 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
[  570.090665][ T9521] RSP: 002b:00007ffe42cbb490 EFLAGS: 00000202 ORIG_RAX: 000000000000002e
[  570.090668][ T9521] RAX: ffffffffffffffda RBX: 0000000000000005 RCX: 00007f4dd9b4e54e
[  570.090669][ T9521] RDX: 0000000000000000 RSI: 00007ffe42cbb540 RDI: 0000000000000005
[  570.090670][ T9521] RBP: 00007ffe42cbb4a0 R08: 0000000000000000 R09: 0000000000000000
[  570.090671][ T9521] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a9152e8
[  570.090672][ T9521] R13: 00000000004a1620 R14: 0000000000000000 R15: 00007ffe42cbbc10
| [  579.117464][ T9664] softirqs last disabled at (22940): netif_change_name (./include/linux/spinlock.h:353 ./include/linux/seqlock.h:908 net/core/dev.c:1499)
| [  579.117467][ T9664] Preemption disabled at:
| [  579.117468][ T9664] vprintk_emit (kernel/printk/printk.c:2471)
| [  579.117477][ T9664] Tainted: [W]=WARN
[  579.117478][ T9664] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[  579.117479][ T9664] Call Trace:
[  579.117481][ T9664]  <TASK>
[  579.117483][ T9664]  dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120)
[  579.117489][ T9664]  ? vprintk_emit (kernel/printk/printk.c:2471)
[  579.117490][ T9664]  __might_resched.cold (kernel/sched/core.c:9234)
[  579.117495][ T9664]  ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3))
[  579.117499][ T9664]  ? __kmalloc_noprof (./include/linux/sched/mm.h:317 mm/slub.c:4636 mm/slub.c:4974 mm/slub.c:5413 mm/slub.c:5439)
[  579.117504][ T9664]  __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))
[  579.117506][ T9664]  ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[  579.117513][ T9664]  ? 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)
[  579.117524][ T9664]  alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[  579.117528][ T9664]  put_chars (drivers/char/virtio_console.c:1176)
[  579.117530][ T9664]  ? __send_to_port (drivers/char/virtio_console.c:654)
[  579.117537][ T9664]  hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2))
[  579.117545][ T9664]  ? hvc_write (drivers/tty/hvc/hvc_console.c:501)
[  579.117548][ T9664]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  579.117553][ T9664]  console_emit_next_record (kernel/printk/printk.c:3183)
[  579.117557][ T9664]  ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20)
[  579.117560][ T9664]  ? 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))
[  579.117566][ T9664]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  579.117569][ T9664]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  579.117573][ T9664]  console_flush_one_record (kernel/printk/printk.c:3268)
[  579.117578][ T9664]  ? console_emit_next_record (kernel/printk/printk.c:3150)
[  579.117580][ T9664]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[  579.117585][ T9664]  console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420)
[  579.117588][ T9664]  ? console_flush_one_record (kernel/printk/printk.c:3316)
[  579.117590][ T9664]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  579.117592][ T9664]  ? 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)
[  579.117596][ T9664]  ? __down_trylock_console_sem (kernel/printk/printk.c:334)
[  579.117598][ T9664]  ? vprintk_emit (kernel/printk/printk.c:2478)
[  579.117601][ T9664]  vprintk_emit (kernel/printk/printk.c:2479)
[  579.117604][ T9664]  ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126))
[  579.117607][ T9664]  ? _mutex_trylock_nest_lock (kernel/locking/mutex.c:1227 (discriminator 6))
[  579.117613][ T9664]  _printk (kernel/printk/printk.c:2504)
[  579.117616][ T9664]  ? snapshot_read.cold (user.c:?)
[  579.117618][ T9664]  ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4116 (discriminator 3) kernel/rcu/tree.c:4108 (discriminator 3))
[  579.117620][ T9664]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380)
[  579.117623][ T9664]  ? validate_chain (kernel/locking/lockdep.c:3817 (discriminator 2) kernel/locking/lockdep.c:3837 (discriminator 2) kernel/locking/lockdep.c:3892 (discriminator 2))
[  579.117626][ T9664]  ? netdev_name (./include/linux/netdevice.h:5709 (discriminator 1))
[  579.117630][ T9664]  ? __netdev_printk (net/core/dev.c:13148 (discriminator 2))
[  579.117633][ T9664]  ? do_setlink.isra.0 (net/core/rtnetlink.c:3246)
[  579.117635][ T9664]  netdev_info (net/core/dev.c:13195 (discriminator 3))
[  579.117638][ T9664]  ? netdev_notice (net/core/dev.c:13194)
[  579.117641][ T9664]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[  579.117644][ T9664]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554)
[  579.117647][ T9664]  ? mark_held_locks (kernel/locking/lockdep.c:4341)
[  579.117651][ T9664]  ? do_setlink.isra.0 (net/core/rtnetlink.c:3246)
[  579.117653][ T9664]  netif_change_name.cold (net/core/dev.c:1507 (discriminator 3))
[  579.117655][ T9664]  ? register_netdev (net/core/dev.c:11618)
[  579.117656][ T9664]  ? 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))
[  579.117662][ T9664]  ? netdev_adjacent_rename_links (net/core/dev.c:9598)
[  579.117665][ T9664]  ? __kernel_text_address (kernel/extable.c:79)
[  579.117667][ T9664]  ? write_profile (profile.c:?)
[  579.117671][ T9664]  ? __asan_memset (mm/kasan/shadow.c:84 (discriminator 1))
[  579.117678][ T9664]  do_setlink.isra.0 (net/core/rtnetlink.c:3246)
[  579.117681][ T9664]  ? stack_trace_save (kernel/stacktrace.c:122 (discriminator 1))
[  579.117683][ T9664]  ? rtnl_link_get_size (net/core/rtnetlink.c:747)
[  579.117685][ T9664]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:388 kernel/rcu/update.c:380)
[  579.117687][ T9664]  ? stack_depot_save_flags (lib/stackdepot.c:609 (discriminator 2) lib/stackdepot.c:676 (discriminator 2))
[  579.117690][ T9664]  ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4116 (discriminator 3) kernel/rcu/tree.c:4108 (discriminator 3))
[  579.117693][ T9664]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380)
[  579.117694][ T9664]  ? validate_chain (kernel/locking/lockdep.c:3817 (discriminator 2) kernel/locking/lockdep.c:3837 (discriminator 2) kernel/locking/lockdep.c:3892 (discriminator 2))
[  579.117697][ T9664]  ? kasan_save_stack (mm/kasan/common.c:58)
[  579.117699][ T9664]  ? kasan_save_stack (mm/kasan/common.c:57)
[  579.117700][ T9664]  ? kasan_save_track (mm/kasan/common.c:78)
[  579.117702][ T9664]  ? __kasan_kmalloc (mm/kasan/common.c:398 mm/kasan/common.c:415)
[  579.117704][ T9664]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[  579.117706][ T9664]  ? snd_ac97_proc_read_main (sound/pci/ac97/ac97_proc.c:320)
[  579.117709][ T9664]  ? ___sys_sendmsg (net/socket.c:2758)
[  579.117714][ T9664]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2))
[  579.117716][ T9664]  ? rtnl_newlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:366 net/core/rtnetlink.c:4214)
[  579.117718][ T9664]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  579.117720][ T9664]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  579.117722][ T9664]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  579.117723][ T9664]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  579.117725][ T9664]  ? trace_contention_end (./include/trace/events/lock.h:121 (discriminator 22))
[  579.117727][ T9664]  ? __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)
[  579.117729][ T9664]  ? __mutex_lock (kernel/locking/mutex.c:656 (discriminator 1) kernel/locking/mutex.c:821 (discriminator 1))
[  579.117731][ T9664]  ? rtnl_newlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:366 net/core/rtnetlink.c:4214)
[  579.117734][ T9664]  ? ww_mutex_lock (kernel/locking/mutex.c:934)
[  579.117735][ T9664]  ? nla_get_range_signed (lib/nlattr.c:270)
[  579.117741][ T9664]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  579.117743][ T9664]  ? __rtnl_newlink (net/core/rtnetlink.c:4063)
[  579.117749][ T9664]  rtnl_newlink (net/core/rtnetlink.c:4215)
[  579.117754][ T9664]  ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558)
[  579.117756][ T9664]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[  579.117761][ T9664]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2))
[  579.117763][ T9664]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[  579.117765][ T9664]  ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558)
[  579.117767][ T9664]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554)
[  579.117771][ T9664]  ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558)
[  579.117773][ T9664]  rtnetlink_rcv_msg (net/core/rtnetlink.c:7132)
[  579.117777][ T9664]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[  579.117778][ T9664]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[  579.117783][ T9664]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2))
[  579.117785][ T9664]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[  579.117789][ T9664]  netlink_rcv_skb (net/netlink/af_netlink.c:2556)
[  579.117792][ T9664]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[  579.117795][ T9664]  ? netlink_ack (./include/linux/skbuff.h:2718)
[  579.117802][ T9664]  ? 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))
[  579.117804][ T9664]  ? 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))
[  579.117809][ T9664]  netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[  579.117813][ T9664]  ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[  579.117816][ T9664]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[  579.117821][ T9664]  netlink_sendmsg (net/netlink/af_netlink.c:1900)
[  579.117825][ T9664]  ? netlink_unicast (./include/net/net_namespace.h:422 (discriminator 7))
[  579.117829][ T9664]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554)
[  579.117831][ T9664]  ? __import_iovec (lib/iov_iter.c:1358 lib/iov_iter.c:1373)
[  579.117837][ T9664]  __sock_sendmsg (net/socket.c:800 (discriminator 4) net/socket.c:815 (discriminator 4))
[  579.117840][ T9664]  ____sys_sendmsg (net/socket.c:2713)
[  579.117842][ T9664]  ? copy_msghdr_from_user (net/socket.c:2650)
[  579.117845][ T9664]  ? sock_write_iter (net/socket.c:1269)
[  579.117846][ T9664]  ? move_addr_to_kernel (net/socket.c:258)
[  579.117854][ T9664]  ___sys_sendmsg (net/socket.c:2767)
[  579.117857][ T9664]  ? copy_msghdr_from_user (net/socket.c:2619)
[  579.117874][ T9664]  __sys_sendmsg (net/socket.c:2799)
[  579.117877][ T9664]  ? __sys_sendmsg_sock (net/socket.c:2780)
[  579.117884][ T9664]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  579.117887][ T9664]  do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84)
[  579.117890][ T9664]  ? exc_page_fault (arch/x86/mm/fault.c:1489 (discriminator 3) arch/x86/mm/fault.c:1536 (discriminator 3))
[  579.117893][ T9664]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[  579.117895][ T9664] RIP: 0033:0x7f1724d6054e
[  579.117900][ T9664] 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
[  579.117901][ T9664] RSP: 002b:00007fff1f32b520 EFLAGS: 00000202 ORIG_RAX: 000000000000002e
[  579.117904][ T9664] RAX: ffffffffffffffda RBX: 0000000000000005 RCX: 00007f1724d6054e
[  579.117906][ T9664] RDX: 0000000000000000 RSI: 00007fff1f32b5d0 RDI: 0000000000000005
[  579.117907][ T9664] RBP: 00007fff1f32b530 R08: 0000000000000000 R09: 0000000000000000
[  579.117908][ T9664] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a9152f1
[  579.117909][ T9664] R13: 00000000004a1620 R14: 0000000000000000 R15: 00007fff1f32bca0
| [  588.229712][ T9807] softirqs last disabled at (19048): netif_change_name (./include/linux/spinlock.h:353 ./include/linux/seqlock.h:908 net/core/dev.c:1499)
| [  588.229715][ T9807] Preemption disabled at:
| [  588.229716][ T9807] vprintk_emit (kernel/printk/printk.c:2471)
| [  588.229724][ T9807] Tainted: [W]=WARN
[  588.229725][ T9807] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[  588.229727][ T9807] Call Trace:
[  588.229728][ T9807]  <TASK>
[  588.229730][ T9807]  dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120)
[  588.229736][ T9807]  ? vprintk_emit (kernel/printk/printk.c:2471)
[  588.229738][ T9807]  __might_resched.cold (kernel/sched/core.c:9234)
[  588.229743][ T9807]  ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3))
[  588.229747][ T9807]  ? __kmalloc_noprof (./include/linux/sched/mm.h:317 mm/slub.c:4636 mm/slub.c:4974 mm/slub.c:5413 mm/slub.c:5439)
[  588.229752][ T9807]  __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))
[  588.229754][ T9807]  ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[  588.229760][ T9807]  ? 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)
[  588.229763][ T9807]  alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[  588.229767][ T9807]  put_chars (drivers/char/virtio_console.c:1176)
[  588.229770][ T9807]  ? __send_to_port (drivers/char/virtio_console.c:654)
[  588.229777][ T9807]  hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2))
[  588.229785][ T9807]  ? hvc_write (drivers/tty/hvc/hvc_console.c:501)
[  588.229788][ T9807]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  588.229792][ T9807]  console_emit_next_record (kernel/printk/printk.c:3183)
[  588.229800][ T9807]  ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20)
[  588.229802][ T9807]  ? 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))
[  588.229806][ T9807]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  588.229808][ T9807]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  588.229813][ T9807]  console_flush_one_record (kernel/printk/printk.c:3268)
[  588.229817][ T9807]  ? console_emit_next_record (kernel/printk/printk.c:3150)
[  588.229819][ T9807]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[  588.229825][ T9807]  console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420)
[  588.229828][ T9807]  ? console_flush_one_record (kernel/printk/printk.c:3316)
[  588.229830][ T9807]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  588.229831][ T9807]  ? 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)
[  588.229835][ T9807]  ? __down_trylock_console_sem (kernel/printk/printk.c:334)
[  588.229837][ T9807]  ? vprintk_emit (kernel/printk/printk.c:2478)
[  588.229840][ T9807]  vprintk_emit (kernel/printk/printk.c:2479)
[  588.229843][ T9807]  ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126))
[  588.229846][ T9807]  ? _mutex_trylock_nest_lock (kernel/locking/mutex.c:1227 (discriminator 6))
[  588.229852][ T9807]  _printk (kernel/printk/printk.c:2504)
[  588.229855][ T9807]  ? snapshot_read.cold (user.c:?)
[  588.229857][ T9807]  ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4116 (discriminator 3) kernel/rcu/tree.c:4108 (discriminator 3))
[  588.229860][ T9807]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380)
[  588.229863][ T9807]  ? validate_chain (kernel/locking/lockdep.c:3817 (discriminator 2) kernel/locking/lockdep.c:3837 (discriminator 2) kernel/locking/lockdep.c:3892 (discriminator 2))
[  588.229865][ T9807]  ? netdev_name (./include/linux/netdevice.h:5709 (discriminator 1))
[  588.229869][ T9807]  ? __netdev_printk (net/core/dev.c:13148 (discriminator 2))
[  588.229872][ T9807]  ? do_setlink.isra.0 (net/core/rtnetlink.c:3246)
[  588.229874][ T9807]  netdev_info (net/core/dev.c:13195 (discriminator 3))
[  588.229877][ T9807]  ? netdev_notice (net/core/dev.c:13194)
[  588.229880][ T9807]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[  588.229883][ T9807]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554)
[  588.229886][ T9807]  ? mark_held_locks (kernel/locking/lockdep.c:4341)
[  588.229890][ T9807]  ? do_setlink.isra.0 (net/core/rtnetlink.c:3246)
[  588.229892][ T9807]  netif_change_name.cold (net/core/dev.c:1507 (discriminator 3))
[  588.229894][ T9807]  ? register_netdev (net/core/dev.c:11618)
[  588.229896][ T9807]  ? 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))
[  588.229901][ T9807]  ? netdev_adjacent_rename_links (net/core/dev.c:9598)
[  588.229904][ T9807]  ? __kernel_text_address (kernel/extable.c:79)
[  588.229906][ T9807]  ? write_profile (profile.c:?)
[  588.229910][ T9807]  ? __asan_memset (mm/kasan/shadow.c:84 (discriminator 1))
[  588.229916][ T9807]  do_setlink.isra.0 (net/core/rtnetlink.c:3246)
[  588.229920][ T9807]  ? stack_trace_save (kernel/stacktrace.c:122 (discriminator 1))
[  588.229922][ T9807]  ? rtnl_link_get_size (net/core/rtnetlink.c:747)
[  588.229923][ T9807]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:388 kernel/rcu/update.c:380)
[  588.229925][ T9807]  ? stack_depot_save_flags (lib/stackdepot.c:609 (discriminator 2) lib/stackdepot.c:676 (discriminator 2))
[  588.229929][ T9807]  ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4116 (discriminator 3) kernel/rcu/tree.c:4108 (discriminator 3))
[  588.229931][ T9807]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380)
[  588.229933][ T9807]  ? validate_chain (kernel/locking/lockdep.c:3817 (discriminator 2) kernel/locking/lockdep.c:3837 (discriminator 2) kernel/locking/lockdep.c:3892 (discriminator 2))
[  588.229935][ T9807]  ? kasan_save_stack (mm/kasan/common.c:58)
[  588.229937][ T9807]  ? kasan_save_stack (mm/kasan/common.c:57)
[  588.229939][ T9807]  ? kasan_save_track (mm/kasan/common.c:78)
[  588.229940][ T9807]  ? __kasan_kmalloc (mm/kasan/common.c:398 mm/kasan/common.c:415)
[  588.229942][ T9807]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[  588.229944][ T9807]  ? snd_ac97_proc_read_main (sound/pci/ac97/ac97_proc.c:320)
[  588.229948][ T9807]  ? ___sys_sendmsg (net/socket.c:2758)
[  588.229952][ T9807]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2))
[  588.229954][ T9807]  ? rtnl_newlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:366 net/core/rtnetlink.c:4214)
[  588.229956][ T9807]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  588.229958][ T9807]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  588.229960][ T9807]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  588.229961][ T9807]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  588.229963][ T9807]  ? trace_contention_end (./include/trace/events/lock.h:121 (discriminator 22))
[  588.229965][ T9807]  ? __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)
[  588.229967][ T9807]  ? __mutex_lock (kernel/locking/mutex.c:656 (discriminator 1) kernel/locking/mutex.c:821 (discriminator 1))
[  588.229969][ T9807]  ? rtnl_newlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:366 net/core/rtnetlink.c:4214)
[  588.229972][ T9807]  ? ww_mutex_lock (kernel/locking/mutex.c:934)
[  588.229973][ T9807]  ? nla_get_range_signed (lib/nlattr.c:270)
[  588.229978][ T9807]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  588.229981][ T9807]  ? __rtnl_newlink (net/core/rtnetlink.c:4063)
[  588.229986][ T9807]  rtnl_newlink (net/core/rtnetlink.c:4215)
[  588.229992][ T9807]  ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558)
[  588.229993][ T9807]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[  588.229998][ T9807]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2))
[  588.230000][ T9807]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[  588.230002][ T9807]  ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558)
[  588.230004][ T9807]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554)
[  588.230008][ T9807]  ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558)
[  588.230010][ T9807]  rtnetlink_rcv_msg (net/core/rtnetlink.c:7132)
[  588.230014][ T9807]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[  588.230015][ T9807]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[  588.230020][ T9807]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2))
[  588.230022][ T9807]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[  588.230025][ T9807]  netlink_rcv_skb (net/netlink/af_netlink.c:2556)
[  588.230029][ T9807]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[  588.230032][ T9807]  ? netlink_ack (./include/linux/skbuff.h:2718)
[  588.230039][ T9807]  ? 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))
[  588.230041][ T9807]  ? 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))
[  588.230045][ T9807]  netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[  588.230049][ T9807]  ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[  588.230052][ T9807]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[  588.230057][ T9807]  netlink_sendmsg (net/netlink/af_netlink.c:1900)
[  588.230061][ T9807]  ? netlink_unicast (./include/net/net_namespace.h:422 (discriminator 7))
[  588.230065][ T9807]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554)
[  588.230066][ T9807]  ? __import_iovec (lib/iov_iter.c:1358 lib/iov_iter.c:1373)
[  588.230072][ T9807]  __sock_sendmsg (net/socket.c:800 (discriminator 4) net/socket.c:815 (discriminator 4))
[  588.230075][ T9807]  ____sys_sendmsg (net/socket.c:2713)
[  588.230077][ T9807]  ? copy_msghdr_from_user (net/socket.c:2650)
[  588.230080][ T9807]  ? sock_write_iter (net/socket.c:1269)
[  588.230081][ T9807]  ? move_addr_to_kernel (net/socket.c:258)
[  588.230089][ T9807]  ___sys_sendmsg (net/socket.c:2767)
[  588.230092][ T9807]  ? copy_msghdr_from_user (net/socket.c:2619)
[  588.230108][ T9807]  __sys_sendmsg (net/socket.c:2799)
[  588.230111][ T9807]  ? __sys_sendmsg_sock (net/socket.c:2780)
[  588.230118][ T9807]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  588.230121][ T9807]  do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84)
[  588.230124][ T9807]  ? exc_page_fault (arch/x86/mm/fault.c:1489 (discriminator 3) arch/x86/mm/fault.c:1536 (discriminator 3))
[  588.230127][ T9807]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[  588.230130][ T9807] RIP: 0033:0x7f76ef5a054e
[  588.230133][ T9807] 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
[  588.230135][ T9807] RSP: 002b:00007ffc6a3fc6f0 EFLAGS: 00000202 ORIG_RAX: 000000000000002e
[  588.230138][ T9807] RAX: ffffffffffffffda RBX: 0000000000000005 RCX: 00007f76ef5a054e
[  588.230139][ T9807] RDX: 0000000000000000 RSI: 00007ffc6a3fc7a0 RDI: 0000000000000005
[  588.230141][ T9807] RBP: 00007ffc6a3fc700 R08: 0000000000000000 R09: 0000000000000000
[  588.230141][ T9807] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a9152fa
[  588.230142][ T9807] R13: 00000000004a1620 R14: 0000000000000000 R15: 00007ffc6a3fce70
| [  597.506197][ T9950] softirqs last disabled at (17982): netif_change_name (./include/linux/spinlock.h:353 ./include/linux/seqlock.h:908 net/core/dev.c:1499)
| [  597.506200][ T9950] Preemption disabled at:
| [  597.506200][ T9950] vprintk_emit (kernel/printk/printk.c:2471)
| [  597.506209][ T9950] Tainted: [W]=WARN
[  597.506210][ T9950] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[  597.506212][ T9950] Call Trace:
[  597.506213][ T9950]  <TASK>
[  597.506215][ T9950]  dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120)
[  597.506221][ T9950]  ? vprintk_emit (kernel/printk/printk.c:2471)
[  597.506222][ T9950]  __might_resched.cold (kernel/sched/core.c:9234)
[  597.506227][ T9950]  ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3))
[  597.506231][ T9950]  ? __kmalloc_noprof (./include/linux/sched/mm.h:317 mm/slub.c:4636 mm/slub.c:4974 mm/slub.c:5413 mm/slub.c:5439)
[  597.506236][ T9950]  __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))
[  597.506238][ T9950]  ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[  597.506245][ T9950]  ? 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)
[  597.506248][ T9950]  alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[  597.506252][ T9950]  put_chars (drivers/char/virtio_console.c:1176)
[  597.506254][ T9950]  ? __send_to_port (drivers/char/virtio_console.c:654)
[  597.506261][ T9950]  hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2))
[  597.506269][ T9950]  ? hvc_write (drivers/tty/hvc/hvc_console.c:501)
[  597.506273][ T9950]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  597.506277][ T9950]  console_emit_next_record (kernel/printk/printk.c:3183)
[  597.506281][ T9950]  ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20)
[  597.506283][ T9950]  ? 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))
[  597.506287][ T9950]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  597.506290][ T9950]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  597.506294][ T9950]  console_flush_one_record (kernel/printk/printk.c:3268)
[  597.506298][ T9950]  ? console_emit_next_record (kernel/printk/printk.c:3150)
[  597.506300][ T9950]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[  597.506306][ T9950]  console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420)
[  597.506309][ T9950]  ? console_flush_one_record (kernel/printk/printk.c:3316)
[  597.506311][ T9950]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  597.506313][ T9950]  ? 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)
[  597.506319][ T9950]  ? __down_trylock_console_sem (kernel/printk/printk.c:334)
[  597.506322][ T9950]  ? vprintk_emit (kernel/printk/printk.c:2478)
[  597.506325][ T9950]  vprintk_emit (kernel/printk/printk.c:2479)
[  597.506328][ T9950]  ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126))
[  597.506331][ T9950]  ? _mutex_trylock_nest_lock (kernel/locking/mutex.c:1227 (discriminator 6))
[  597.506336][ T9950]  _printk (kernel/printk/printk.c:2504)
[  597.506340][ T9950]  ? snapshot_read.cold (user.c:?)
[  597.506342][ T9950]  ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4116 (discriminator 3) kernel/rcu/tree.c:4108 (discriminator 3))
[  597.506345][ T9950]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380)
[  597.506347][ T9950]  ? validate_chain (kernel/locking/lockdep.c:3817 (discriminator 2) kernel/locking/lockdep.c:3837 (discriminator 2) kernel/locking/lockdep.c:3892 (discriminator 2))
[  597.506350][ T9950]  ? netdev_name (./include/linux/netdevice.h:5709 (discriminator 1))
[  597.506354][ T9950]  ? __netdev_printk (net/core/dev.c:13148 (discriminator 2))
[  597.506356][ T9950]  ? do_setlink.isra.0 (net/core/rtnetlink.c:3246)
[  597.506359][ T9950]  netdev_info (net/core/dev.c:13195 (discriminator 3))
[  597.506362][ T9950]  ? netdev_notice (net/core/dev.c:13194)
[  597.506365][ T9950]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[  597.506368][ T9950]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554)
[  597.506371][ T9950]  ? mark_held_locks (kernel/locking/lockdep.c:4341)
[  597.506374][ T9950]  ? do_setlink.isra.0 (net/core/rtnetlink.c:3246)
[  597.506377][ T9950]  netif_change_name.cold (net/core/dev.c:1507 (discriminator 3))
[  597.506379][ T9950]  ? register_netdev (net/core/dev.c:11618)
[  597.506381][ T9950]  ? 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))
[  597.506386][ T9950]  ? netdev_adjacent_rename_links (net/core/dev.c:9598)
[  597.506389][ T9950]  ? __kernel_text_address (kernel/extable.c:79)
[  597.506391][ T9950]  ? write_profile (profile.c:?)
[  597.506396][ T9950]  ? __asan_memset (mm/kasan/shadow.c:84 (discriminator 1))
[  597.506402][ T9950]  do_setlink.isra.0 (net/core/rtnetlink.c:3246)
[  597.506405][ T9950]  ? stack_trace_save (kernel/stacktrace.c:122 (discriminator 1))
[  597.506407][ T9950]  ? rtnl_link_get_size (net/core/rtnetlink.c:747)
[  597.506409][ T9950]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:388 kernel/rcu/update.c:380)
[  597.506410][ T9950]  ? stack_depot_save_flags (lib/stackdepot.c:609 (discriminator 2) lib/stackdepot.c:676 (discriminator 2))
[  597.506414][ T9950]  ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4116 (discriminator 3) kernel/rcu/tree.c:4108 (discriminator 3))
[  597.506416][ T9950]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380)
[  597.506418][ T9950]  ? validate_chain (kernel/locking/lockdep.c:3817 (discriminator 2) kernel/locking/lockdep.c:3837 (discriminator 2) kernel/locking/lockdep.c:3892 (discriminator 2))
[  597.506420][ T9950]  ? kasan_save_stack (mm/kasan/common.c:58)
[  597.506422][ T9950]  ? kasan_save_stack (mm/kasan/common.c:57)
[  597.506423][ T9950]  ? kasan_save_track (mm/kasan/common.c:78)
[  597.506425][ T9950]  ? __kasan_kmalloc (mm/kasan/common.c:398 mm/kasan/common.c:415)
[  597.506427][ T9950]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[  597.506429][ T9950]  ? snd_ac97_proc_read_main (sound/pci/ac97/ac97_proc.c:320)
[  597.506432][ T9950]  ? ___sys_sendmsg (net/socket.c:2758)
[  597.506436][ T9950]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2))
[  597.506439][ T9950]  ? rtnl_newlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:366 net/core/rtnetlink.c:4214)
[  597.506441][ T9950]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  597.506443][ T9950]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  597.506445][ T9950]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  597.506446][ T9950]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  597.506448][ T9950]  ? trace_contention_end (./include/trace/events/lock.h:121 (discriminator 22))
[  597.506450][ T9950]  ? __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)
[  597.506451][ T9950]  ? __mutex_lock (kernel/locking/mutex.c:656 (discriminator 1) kernel/locking/mutex.c:821 (discriminator 1))
[  597.506453][ T9950]  ? rtnl_newlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:366 net/core/rtnetlink.c:4214)
[  597.506457][ T9950]  ? ww_mutex_lock (kernel/locking/mutex.c:934)
[  597.506458][ T9950]  ? nla_get_range_signed (lib/nlattr.c:270)
[  597.506463][ T9950]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  597.506465][ T9950]  ? __rtnl_newlink (net/core/rtnetlink.c:4063)
[  597.506471][ T9950]  rtnl_newlink (net/core/rtnetlink.c:4215)
[  597.506476][ T9950]  ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558)
[  597.506478][ T9950]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[  597.506483][ T9950]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2))
[  597.506485][ T9950]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[  597.506487][ T9950]  ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558)
[  597.506489][ T9950]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554)
[  597.506493][ T9950]  ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558)
[  597.506495][ T9950]  rtnetlink_rcv_msg (net/core/rtnetlink.c:7132)
[  597.506498][ T9950]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[  597.506499][ T9950]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[  597.506504][ T9950]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2))
[  597.506506][ T9950]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[  597.506510][ T9950]  netlink_rcv_skb (net/netlink/af_netlink.c:2556)
[  597.506513][ T9950]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[  597.506516][ T9950]  ? netlink_ack (./include/linux/skbuff.h:2718)
[  597.506523][ T9950]  ? 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))
[  597.506525][ T9950]  ? 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))
[  597.506530][ T9950]  netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[  597.506534][ T9950]  ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[  597.506537][ T9950]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[  597.506541][ T9950]  netlink_sendmsg (net/netlink/af_netlink.c:1900)
[  597.506545][ T9950]  ? netlink_unicast (./include/net/net_namespace.h:422 (discriminator 7))
[  597.506549][ T9950]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554)
[  597.506551][ T9950]  ? __import_iovec (lib/iov_iter.c:1358 lib/iov_iter.c:1373)
[  597.506556][ T9950]  __sock_sendmsg (net/socket.c:800 (discriminator 4) net/socket.c:815 (discriminator 4))
[  597.506559][ T9950]  ____sys_sendmsg (net/socket.c:2713)
[  597.506561][ T9950]  ? copy_msghdr_from_user (net/socket.c:2650)
[  597.506567][ T9950]  ? sock_write_iter (net/socket.c:1269)
[  597.506568][ T9950]  ? move_addr_to_kernel (net/socket.c:258)
[  597.506576][ T9950]  ___sys_sendmsg (net/socket.c:2767)
[  597.506579][ T9950]  ? copy_msghdr_from_user (net/socket.c:2619)
[  597.506596][ T9950]  __sys_sendmsg (net/socket.c:2799)
[  597.506599][ T9950]  ? __sys_sendmsg_sock (net/socket.c:2780)
[  597.506605][ T9950]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  597.506608][ T9950]  do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84)
[  597.506611][ T9950]  ? exc_page_fault (arch/x86/mm/fault.c:1489 (discriminator 3) arch/x86/mm/fault.c:1536 (discriminator 3))
[  597.506614][ T9950]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[  597.506617][ T9950] RIP: 0033:0x7f9ddfb9354e
[  597.506621][ T9950] 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
[  597.506623][ T9950] RSP: 002b:00007ffdaff4a990 EFLAGS: 00000202 ORIG_RAX: 000000000000002e
[  597.506625][ T9950] RAX: ffffffffffffffda RBX: 0000000000000005 RCX: 00007f9ddfb9354e
[  597.506627][ T9950] RDX: 0000000000000000 RSI: 00007ffdaff4aa40 RDI: 0000000000000005
[  597.506628][ T9950] RBP: 00007ffdaff4a9a0 R08: 0000000000000000 R09: 0000000000000000
[  597.506629][ T9950] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a915303
[  597.506629][ T9950] R13: 00000000004a1620 R14: 0000000000000000 R15: 00007ffdaff4b110
| [  606.595274][T10093] softirqs last disabled at (21940): netif_change_name (./include/linux/spinlock.h:353 ./include/linux/seqlock.h:908 net/core/dev.c:1499)
| [  606.595277][T10093] Preemption disabled at:
| [  606.595278][T10093] vprintk_emit (kernel/printk/printk.c:2471)
| [  606.595287][T10093] Tainted: [W]=WARN
[  606.595288][T10093] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[  606.595289][T10093] Call Trace:
[  606.595291][T10093]  <TASK>
[  606.595293][T10093]  dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120)
[  606.595299][T10093]  ? vprintk_emit (kernel/printk/printk.c:2471)
[  606.595301][T10093]  __might_resched.cold (kernel/sched/core.c:9234)
[  606.595305][T10093]  ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3))
[  606.595309][T10093]  ? __kmalloc_noprof (./include/linux/sched/mm.h:317 mm/slub.c:4636 mm/slub.c:4974 mm/slub.c:5413 mm/slub.c:5439)
[  606.595314][T10093]  __kmalloc_noprof (./include/linux/sched/mm.h:322 (discriminator 2) mm/slub.c:4636 (discriminator 2) mm/slub.c:4974 (discriminator 2) mm/slub.c:5413 (discriminator 2) mm/slub.c:5439 (discriminator 2))
[  606.595318][T10093]  ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[  606.595326][T10093]  ? do_raw_spin_unlock (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:32 ./include/asm-generic/qspinlock.h:58 kernel/locking/spinlock_debug.c:101 kernel/locking/spinlock_debug.c:141)
[  606.595329][T10093]  alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[  606.595333][T10093]  put_chars (drivers/char/virtio_console.c:1176)
[  606.595335][T10093]  ? __send_to_port (drivers/char/virtio_console.c:654)
[  606.595342][T10093]  hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2))
[  606.595350][T10093]  ? hvc_write (drivers/tty/hvc/hvc_console.c:501)
[  606.595353][T10093]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  606.595358][T10093]  console_emit_next_record (kernel/printk/printk.c:3183)
[  606.595362][T10093]  ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20)
[  606.595364][T10093]  ? console_flush_one_record (./include/linux/rcupdate.h:314 (discriminator 2) ./include/linux/srcu.h:439 (discriminator 2) kernel/printk/printk.c:291 (discriminator 2) kernel/printk/printk.c:3246 (discriminator 2))
[  606.595367][T10093]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  606.595370][T10093]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  606.595374][T10093]  console_flush_one_record (kernel/printk/printk.c:3268)
[  606.595379][T10093]  ? console_emit_next_record (kernel/printk/printk.c:3150)
[  606.595381][T10093]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[  606.595386][T10093]  console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420)
[  606.595389][T10093]  ? console_flush_one_record (kernel/printk/printk.c:3316)
[  606.595391][T10093]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  606.595393][T10093]  ? lock_acquire (./include/linux/srcutree.h:374 ./include/linux/srcu.h:541 ./include/linux/srcu.h:645 ./include/trace/events/lock.h:23 ./include/trace/events/lock.h:23 kernel/locking/lockdep.c:5871)
[  606.595397][T10093]  ? __down_trylock_console_sem (kernel/printk/printk.c:334)
[  606.595399][T10093]  ? vprintk_emit (kernel/printk/printk.c:2478)
[  606.595402][T10093]  vprintk_emit (kernel/printk/printk.c:2479)
[  606.595405][T10093]  ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126))
[  606.595408][T10093]  ? _mutex_trylock_nest_lock (kernel/locking/mutex.c:1227 (discriminator 6))
[  606.595413][T10093]  _printk (kernel/printk/printk.c:2504)
[  606.595416][T10093]  ? snapshot_read.cold (user.c:?)
[  606.595418][T10093]  ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4116 (discriminator 3) kernel/rcu/tree.c:4108 (discriminator 3))
[  606.595421][T10093]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380)
[  606.595424][T10093]  ? validate_chain (kernel/locking/lockdep.c:3817 (discriminator 2) kernel/locking/lockdep.c:3837 (discriminator 2) kernel/locking/lockdep.c:3892 (discriminator 2))
[  606.595426][T10093]  ? netdev_name (./include/linux/netdevice.h:5709 (discriminator 1))
[  606.595430][T10093]  ? __netdev_printk (net/core/dev.c:13148 (discriminator 2))
[  606.595433][T10093]  ? do_setlink.isra.0 (net/core/rtnetlink.c:3246)
[  606.595435][T10093]  netdev_info (net/core/dev.c:13195 (discriminator 3))
[  606.595438][T10093]  ? netdev_notice (net/core/dev.c:13194)
[  606.595441][T10093]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[  606.595444][T10093]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554)
[  606.595447][T10093]  ? mark_held_locks (kernel/locking/lockdep.c:4341)
[  606.595451][T10093]  ? do_setlink.isra.0 (net/core/rtnetlink.c:3246)
[  606.595453][T10093]  netif_change_name.cold (net/core/dev.c:1507 (discriminator 3))
[  606.595455][T10093]  ? register_netdev (net/core/dev.c:11618)
[  606.595457][T10093]  ? is_bpf_text_address (./include/linux/rcupdate.h:319 (discriminator 2) ./include/linux/rcupdate.h:880 (discriminator 2) kernel/bpf/core.c:751 (discriminator 2))
[  606.595462][T10093]  ? netdev_adjacent_rename_links (net/core/dev.c:9598)
[  606.595465][T10093]  ? __kernel_text_address (kernel/extable.c:79)
[  606.595467][T10093]  ? write_profile (profile.c:?)
[  606.595472][T10093]  ? __asan_memset (mm/kasan/shadow.c:84 (discriminator 1))
[  606.595478][T10093]  do_setlink.isra.0 (net/core/rtnetlink.c:3246)
[  606.595481][T10093]  ? stack_trace_save (kernel/stacktrace.c:122 (discriminator 1))
[  606.595483][T10093]  ? rtnl_link_get_size (net/core/rtnetlink.c:747)
[  606.595485][T10093]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:388 kernel/rcu/update.c:380)
[  606.595487][T10093]  ? stack_depot_save_flags (lib/stackdepot.c:609 (discriminator 2) lib/stackdepot.c:676 (discriminator 2))
[  606.595490][T10093]  ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4116 (discriminator 3) kernel/rcu/tree.c:4108 (discriminator 3))
[  606.595492][T10093]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380)
[  606.595494][T10093]  ? validate_chain (kernel/locking/lockdep.c:3817 (discriminator 2) kernel/locking/lockdep.c:3837 (discriminator 2) kernel/locking/lockdep.c:3892 (discriminator 2))
[  606.595496][T10093]  ? kasan_save_stack (mm/kasan/common.c:58)
[  606.595498][T10093]  ? kasan_save_stack (mm/kasan/common.c:57)
[  606.595499][T10093]  ? kasan_save_track (mm/kasan/common.c:78)
[  606.595501][T10093]  ? __kasan_kmalloc (mm/kasan/common.c:398 mm/kasan/common.c:415)
[  606.595503][T10093]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[  606.595505][T10093]  ? snd_ac97_proc_read_main (sound/pci/ac97/ac97_proc.c:320)
[  606.595508][T10093]  ? ___sys_sendmsg (net/socket.c:2758)
[  606.595512][T10093]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2))
[  606.595514][T10093]  ? rtnl_newlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:366 net/core/rtnetlink.c:4214)
[  606.595517][T10093]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  606.595519][T10093]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  606.595520][T10093]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  606.595522][T10093]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  606.595523][T10093]  ? trace_contention_end (./include/trace/events/lock.h:121 (discriminator 22))
[  606.595526][T10093]  ? __mutex_lock (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:3188 kernel/locking/mutex.c:89 kernel/locking/mutex.c:134 kernel/locking/mutex.c:649 kernel/locking/mutex.c:821)
[  606.595527][T10093]  ? __mutex_lock (kernel/locking/mutex.c:656 (discriminator 1) kernel/locking/mutex.c:821 (discriminator 1))
[  606.595529][T10093]  ? rtnl_newlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:366 net/core/rtnetlink.c:4214)
[  606.595533][T10093]  ? ww_mutex_lock (kernel/locking/mutex.c:934)
[  606.595534][T10093]  ? nla_get_range_signed (lib/nlattr.c:270)
[  606.595539][T10093]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  606.595541][T10093]  ? __rtnl_newlink (net/core/rtnetlink.c:4063)
[  606.595546][T10093]  rtnl_newlink (net/core/rtnetlink.c:4215)
[  606.595552][T10093]  ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558)
[  606.595554][T10093]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[  606.595559][T10093]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2))
[  606.595561][T10093]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[  606.595566][T10093]  ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558)
[  606.595568][T10093]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554)
[  606.595572][T10093]  ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558)
[  606.595574][T10093]  rtnetlink_rcv_msg (net/core/rtnetlink.c:7132)
[  606.595578][T10093]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[  606.595579][T10093]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[  606.595584][T10093]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2))
[  606.595586][T10093]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[  606.595589][T10093]  netlink_rcv_skb (net/netlink/af_netlink.c:2556)
[  606.595593][T10093]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[  606.595596][T10093]  ? netlink_ack (./include/linux/skbuff.h:2718)
[  606.595603][T10093]  ? netlink_deliver_tap (./include/linux/rcupdate.h:319 (discriminator 2) ./include/linux/rcupdate.h:880 (discriminator 2) ./include/net/netns/generic.h:48 (discriminator 2) net/netlink/af_netlink.c:334 (discriminator 2))
[  606.595605][T10093]  ? netlink_deliver_tap (./include/linux/rcupdate.h:319 (discriminator 2) ./include/linux/rcupdate.h:880 (discriminator 2) net/netlink/af_netlink.c:341 (discriminator 2))
[  606.595610][T10093]  netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[  606.595614][T10093]  ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[  606.595616][T10093]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[  606.595621][T10093]  netlink_sendmsg (net/netlink/af_netlink.c:1900)
[  606.595625][T10093]  ? netlink_unicast (./include/net/net_namespace.h:422 (discriminator 7))
[  606.595629][T10093]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554)
[  606.595631][T10093]  ? __import_iovec (lib/iov_iter.c:1358 lib/iov_iter.c:1373)
[  606.595636][T10093]  __sock_sendmsg (net/socket.c:800 (discriminator 4) net/socket.c:815 (discriminator 4))
[  606.595639][T10093]  ____sys_sendmsg (net/socket.c:2713)
[  606.595641][T10093]  ? copy_msghdr_from_user (net/socket.c:2650)
[  606.595644][T10093]  ? sock_write_iter (net/socket.c:1269)
[  606.595645][T10093]  ? move_addr_to_kernel (net/socket.c:258)
[  606.595653][T10093]  ___sys_sendmsg (net/socket.c:2767)
[  606.595656][T10093]  ? copy_msghdr_from_user (net/socket.c:2619)
[  606.595673][T10093]  __sys_sendmsg (net/socket.c:2799)
[  606.595676][T10093]  ? __sys_sendmsg_sock (net/socket.c:2780)
[  606.595682][T10093]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  606.595685][T10093]  do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84)
[  606.595688][T10093]  ? exc_page_fault (arch/x86/mm/fault.c:1489 (discriminator 3) arch/x86/mm/fault.c:1536 (discriminator 3))
[  606.595691][T10093]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[  606.595694][T10093] RIP: 0033:0x7fdedc0a854e
[  606.595698][T10093] Code: 4d 89 d8 e8 b4 bd 00 00 4c 8b 5d f8 41 8b 93 08 03 00 00 59 5e 48 83 f8 fc 74 11 c9 c3 0f 1f 80 00 00 00 00 48 8b 45 10 0f 05 <c9> c3 83 e2 39 83 fa 08 75 e7 e8 03 ff ff ff 0f 1f 00 f3 0f 1e fa
All code
========
   0:	4d 89 d8             	mov    %r11,%r8
   3:	e8 b4 bd 00 00       	call   0xbdbc
   8:	4c 8b 5d f8          	mov    -0x8(%rbp),%r11
   c:	41 8b 93 08 03 00 00 	mov    0x308(%r11),%edx
  13:	59                   	pop    %rcx
  14:	5e                   	pop    %rsi
  15:	48 83 f8 fc          	cmp    $0xfffffffffffffffc,%rax
  19:	74 11                	je     0x2c
  1b:	c9                   	leave
  1c:	c3                   	ret
  1d:	0f 1f 80 00 00 00 00 	nopl   0x0(%rax)
  24:	48 8b 45 10          	mov    0x10(%rbp),%rax
  28:	0f 05                	syscall
  2a:*	c9                   	leave		<-- trapping instruction
  2b:	c3                   	ret
  2c:	83 e2 39             	and    $0x39,%edx
  2f:	83 fa 08             	cmp    $0x8,%edx
  32:	75 e7                	jne    0x1b
  34:	e8 03 ff ff ff       	call   0xffffffffffffff3c
  39:	0f 1f 00             	nopl   (%rax)
  3c:	f3 0f 1e fa          	endbr64

Code starting with the faulting instruction
===========================================
   0:	c9                   	leave
   1:	c3                   	ret
   2:	83 e2 39             	and    $0x39,%edx
   5:	83 fa 08             	cmp    $0x8,%edx
   8:	75 e7                	jne    0xfffffffffffffff1
   a:	e8 03 ff ff ff       	call   0xffffffffffffff12
   f:	0f 1f 00             	nopl   (%rax)
  12:	f3 0f 1e fa          	endbr64
[  606.595700][T10093] RSP: 002b:00007ffd3370f1d0 EFLAGS: 00000202 ORIG_RAX: 000000000000002e
[  606.595702][T10093] RAX: ffffffffffffffda RBX: 0000000000000005 RCX: 00007fdedc0a854e
[  606.595704][T10093] RDX: 0000000000000000 RSI: 00007ffd3370f280 RDI: 0000000000000005
[  606.595705][T10093] RBP: 00007ffd3370f1e0 R08: 0000000000000000 R09: 0000000000000000
[  606.595706][T10093] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a91530c
[  606.595707][T10093] R13: 00000000004a1620 R14: 0000000000000000 R15: 00007ffd3370f950
| [  616.011328][T10236] softirqs last disabled at (15924): netif_change_name (./include/linux/spinlock.h:353 ./include/linux/seqlock.h:908 net/core/dev.c:1499)
| [  616.011332][T10236] Preemption disabled at:
| [  616.011334][T10236] vprintk_emit (kernel/printk/printk.c:2471)
| [  616.011345][T10236] Tainted: [W]=WARN
[  616.011346][T10236] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[  616.011349][T10236] Call Trace:
[  616.011351][T10236]  <TASK>
[  616.011353][T10236]  dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120)
[  616.011361][T10236]  ? vprintk_emit (kernel/printk/printk.c:2471)
[  616.011364][T10236]  __might_resched.cold (kernel/sched/core.c:9234)
[  616.011370][T10236]  ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3))
[  616.011376][T10236]  ? __kmalloc_noprof (./include/linux/sched/mm.h:317 mm/slub.c:4636 mm/slub.c:4974 mm/slub.c:5413 mm/slub.c:5439)
[  616.011382][T10236]  __kmalloc_noprof (./include/linux/sched/mm.h:322 (discriminator 2) mm/slub.c:4636 (discriminator 2) mm/slub.c:4974 (discriminator 2) mm/slub.c:5413 (discriminator 2) mm/slub.c:5439 (discriminator 2))
[  616.011386][T10236]  ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[  616.011395][T10236]  ? do_raw_spin_unlock (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:32 ./include/asm-generic/qspinlock.h:58 kernel/locking/spinlock_debug.c:101 kernel/locking/spinlock_debug.c:141)
[  616.011399][T10236]  alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[  616.011405][T10236]  put_chars (drivers/char/virtio_console.c:1176)
[  616.011409][T10236]  ? __send_to_port (drivers/char/virtio_console.c:654)
[  616.011421][T10236]  hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2))
[  616.011434][T10236]  ? hvc_write (drivers/tty/hvc/hvc_console.c:501)
[  616.011439][T10236]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  616.011446][T10236]  console_emit_next_record (kernel/printk/printk.c:3183)
[  616.011453][T10236]  ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20)
[  616.011456][T10236]  ? console_flush_one_record (./include/linux/rcupdate.h:314 (discriminator 2) ./include/linux/srcu.h:439 (discriminator 2) kernel/printk/printk.c:291 (discriminator 2) kernel/printk/printk.c:3246 (discriminator 2))
[  616.011461][T10236]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  616.011465][T10236]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  616.011472][T10236]  console_flush_one_record (kernel/printk/printk.c:3268)
[  616.011479][T10236]  ? console_emit_next_record (kernel/printk/printk.c:3150)
[  616.011482][T10236]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[  616.011491][T10236]  console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420)
[  616.011496][T10236]  ? console_flush_one_record (kernel/printk/printk.c:3316)
[  616.011499][T10236]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  616.011502][T10236]  ? lock_acquire (./include/linux/srcutree.h:374 ./include/linux/srcu.h:541 ./include/linux/srcu.h:645 ./include/trace/events/lock.h:23 ./include/trace/events/lock.h:23 kernel/locking/lockdep.c:5871)
[  616.011508][T10236]  ? __down_trylock_console_sem (kernel/printk/printk.c:334)
[  616.011511][T10236]  ? vprintk_emit (kernel/printk/printk.c:2478)
[  616.011516][T10236]  vprintk_emit (kernel/printk/printk.c:2479)
[  616.011521][T10236]  ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126))
[  616.011526][T10236]  ? _mutex_trylock_nest_lock (kernel/locking/mutex.c:1227 (discriminator 6))
[  616.011534][T10236]  _printk (kernel/printk/printk.c:2504)
[  616.011539][T10236]  ? snapshot_read.cold (user.c:?)
[  616.011542][T10236]  ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4116 (discriminator 3) kernel/rcu/tree.c:4108 (discriminator 3))
[  616.011546][T10236]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380)
[  616.011551][T10236]  ? validate_chain (kernel/locking/lockdep.c:3817 (discriminator 2) kernel/locking/lockdep.c:3837 (discriminator 2) kernel/locking/lockdep.c:3892 (discriminator 2))
[  616.011554][T10236]  ? netdev_name (./include/linux/netdevice.h:5709 (discriminator 1))
[  616.011559][T10236]  ? __netdev_printk (net/core/dev.c:13148 (discriminator 2))
[  616.011567][T10236]  ? do_setlink.isra.0 (net/core/rtnetlink.c:3246)
[  616.011571][T10236]  netdev_info (net/core/dev.c:13195 (discriminator 3))
[  616.011575][T10236]  ? netdev_notice (net/core/dev.c:13194)
[  616.011580][T10236]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[  616.011586][T10236]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554)
[  616.011590][T10236]  ? mark_held_locks (kernel/locking/lockdep.c:4341)
[  616.011596][T10236]  ? do_setlink.isra.0 (net/core/rtnetlink.c:3246)
[  616.011599][T10236]  netif_change_name.cold (net/core/dev.c:1507 (discriminator 3))
[  616.011603][T10236]  ? register_netdev (net/core/dev.c:11618)
[  616.011605][T10236]  ? is_bpf_text_address (./include/linux/rcupdate.h:319 (discriminator 2) ./include/linux/rcupdate.h:880 (discriminator 2) kernel/bpf/core.c:751 (discriminator 2))
[  616.011613][T10236]  ? netdev_adjacent_rename_links (net/core/dev.c:9598)
[  616.011617][T10236]  ? __kernel_text_address (kernel/extable.c:79)
[  616.011620][T10236]  ? write_profile (profile.c:?)
[  616.011626][T10236]  ? __asan_memset (mm/kasan/shadow.c:84 (discriminator 1))
[  616.011636][T10236]  do_setlink.isra.0 (net/core/rtnetlink.c:3246)
[  616.011642][T10236]  ? stack_trace_save (kernel/stacktrace.c:122 (discriminator 1))
[  616.011645][T10236]  ? rtnl_link_get_size (net/core/rtnetlink.c:747)
[  616.011647][T10236]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:388 kernel/rcu/update.c:380)
[  616.011650][T10236]  ? stack_depot_save_flags (lib/stackdepot.c:609 (discriminator 2) lib/stackdepot.c:676 (discriminator 2))
[  616.011655][T10236]  ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4116 (discriminator 3) kernel/rcu/tree.c:4108 (discriminator 3))
[  616.011658][T10236]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380)
[  616.011661][T10236]  ? validate_chain (kernel/locking/lockdep.c:3817 (discriminator 2) kernel/locking/lockdep.c:3837 (discriminator 2) kernel/locking/lockdep.c:3892 (discriminator 2))
[  616.011665][T10236]  ? kasan_save_stack (mm/kasan/common.c:58)
[  616.011668][T10236]  ? kasan_save_stack (mm/kasan/common.c:57)
[  616.011670][T10236]  ? kasan_save_track (mm/kasan/common.c:78)
[  616.011672][T10236]  ? __kasan_kmalloc (mm/kasan/common.c:398 mm/kasan/common.c:415)
[  616.011676][T10236]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[  616.011679][T10236]  ? snd_ac97_proc_read_main (sound/pci/ac97/ac97_proc.c:320)
[  616.011683][T10236]  ? ___sys_sendmsg (net/socket.c:2758)
[  616.011690][T10236]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2))
[  616.011693][T10236]  ? rtnl_newlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:366 net/core/rtnetlink.c:4214)
[  616.011698][T10236]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  616.011701][T10236]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  616.011703][T10236]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  616.011705][T10236]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  616.011708][T10236]  ? trace_contention_end (./include/trace/events/lock.h:121 (discriminator 22))
[  616.011712][T10236]  ? __mutex_lock (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:3188 kernel/locking/mutex.c:89 kernel/locking/mutex.c:134 kernel/locking/mutex.c:649 kernel/locking/mutex.c:821)
[  616.011714][T10236]  ? __mutex_lock (kernel/locking/mutex.c:656 (discriminator 1) kernel/locking/mutex.c:821 (discriminator 1))
[  616.011717][T10236]  ? rtnl_newlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:366 net/core/rtnetlink.c:4214)
[  616.011723][T10236]  ? ww_mutex_lock (kernel/locking/mutex.c:934)
[  616.011725][T10236]  ? nla_get_range_signed (lib/nlattr.c:270)
[  616.011733][T10236]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  616.011737][T10236]  ? __rtnl_newlink (net/core/rtnetlink.c:4063)
[  616.011746][T10236]  rtnl_newlink (net/core/rtnetlink.c:4215)
[  616.011756][T10236]  ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558)
[  616.011759][T10236]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[  616.011767][T10236]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2))
[  616.011770][T10236]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[  616.011773][T10236]  ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558)
[  616.011777][T10236]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554)
[  616.011783][T10236]  ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558)
[  616.011787][T10236]  rtnetlink_rcv_msg (net/core/rtnetlink.c:7132)
[  616.011793][T10236]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[  616.011795][T10236]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[  616.011810][T10236]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2))
[  616.011813][T10236]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[  616.011819][T10236]  netlink_rcv_skb (net/netlink/af_netlink.c:2556)
[  616.011824][T10236]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[  616.011829][T10236]  ? netlink_ack (./include/linux/skbuff.h:2718)
[  616.011841][T10236]  ? netlink_deliver_tap (./include/linux/rcupdate.h:319 (discriminator 2) ./include/linux/rcupdate.h:880 (discriminator 2) ./include/net/netns/generic.h:48 (discriminator 2) net/netlink/af_netlink.c:334 (discriminator 2))
[  616.011845][T10236]  ? netlink_deliver_tap (./include/linux/rcupdate.h:319 (discriminator 2) ./include/linux/rcupdate.h:880 (discriminator 2) net/netlink/af_netlink.c:341 (discriminator 2))
[  616.011853][T10236]  netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[  616.011860][T10236]  ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[  616.011864][T10236]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[  616.011871][T10236]  netlink_sendmsg (net/netlink/af_netlink.c:1900)
[  616.011878][T10236]  ? netlink_unicast (./include/net/net_namespace.h:422 (discriminator 7))
[  616.011885][T10236]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554)
[  616.011887][T10236]  ? __import_iovec (lib/iov_iter.c:1358 lib/iov_iter.c:1373)
[  616.011896][T10236]  __sock_sendmsg (net/socket.c:800 (discriminator 4) net/socket.c:815 (discriminator 4))
[  616.011900][T10236]  ____sys_sendmsg (net/socket.c:2713)
[  616.011904][T10236]  ? copy_msghdr_from_user (net/socket.c:2650)
[  616.011908][T10236]  ? sock_write_iter (net/socket.c:1269)
[  616.011910][T10236]  ? move_addr_to_kernel (net/socket.c:258)
[  616.011924][T10236]  ___sys_sendmsg (net/socket.c:2767)
[  616.011929][T10236]  ? copy_msghdr_from_user (net/socket.c:2619)
[  616.011959][T10236]  __sys_sendmsg (net/socket.c:2799)
[  616.011964][T10236]  ? __sys_sendmsg_sock (net/socket.c:2780)
[  616.011976][T10236]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  616.011982][T10236]  do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84)
[  616.011986][T10236]  ? exc_page_fault (arch/x86/mm/fault.c:1489 (discriminator 3) arch/x86/mm/fault.c:1536 (discriminator 3))
[  616.011991][T10236]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[  616.011995][T10236] RIP: 0033:0x7f6183ce554e
[  616.012000][T10236] Code: 4d 89 d8 e8 b4 bd 00 00 4c 8b 5d f8 41 8b 93 08 03 00 00 59 5e 48 83 f8 fc 74 11 c9 c3 0f 1f 80 00 00 00 00 48 8b 45 10 0f 05 <c9> c3 83 e2 39 83 fa 08 75 e7 e8 03 ff ff ff 0f 1f 00 f3 0f 1e fa
All code
========
   0:	4d 89 d8             	mov    %r11,%r8
   3:	e8 b4 bd 00 00       	call   0xbdbc
   8:	4c 8b 5d f8          	mov    -0x8(%rbp),%r11
   c:	41 8b 93 08 03 00 00 	mov    0x308(%r11),%edx
  13:	59                   	pop    %rcx
  14:	5e                   	pop    %rsi
  15:	48 83 f8 fc          	cmp    $0xfffffffffffffffc,%rax
  19:	74 11                	je     0x2c
  1b:	c9                   	leave
  1c:	c3                   	ret
  1d:	0f 1f 80 00 00 00 00 	nopl   0x0(%rax)
  24:	48 8b 45 10          	mov    0x10(%rbp),%rax
  28:	0f 05                	syscall
  2a:*	c9                   	leave		<-- trapping instruction
  2b:	c3                   	ret
  2c:	83 e2 39             	and    $0x39,%edx
  2f:	83 fa 08             	cmp    $0x8,%edx
  32:	75 e7                	jne    0x1b
  34:	e8 03 ff ff ff       	call   0xffffffffffffff3c
  39:	0f 1f 00             	nopl   (%rax)
  3c:	f3 0f 1e fa          	endbr64

Code starting with the faulting instruction
===========================================
   0:	c9                   	leave
   1:	c3                   	ret
   2:	83 e2 39             	and    $0x39,%edx
   5:	83 fa 08             	cmp    $0x8,%edx
   8:	75 e7                	jne    0xfffffffffffffff1
   a:	e8 03 ff ff ff       	call   0xffffffffffffff12
   f:	0f 1f 00             	nopl   (%rax)
  12:	f3 0f 1e fa          	endbr64
[  616.012003][T10236] RSP: 002b:00007fffc74bab10 EFLAGS: 00000202 ORIG_RAX: 000000000000002e
[  616.012007][T10236] RAX: ffffffffffffffda RBX: 0000000000000005 RCX: 00007f6183ce554e
[  616.012009][T10236] RDX: 0000000000000000 RSI: 00007fffc74babc0 RDI: 0000000000000005
[  616.012011][T10236] RBP: 00007fffc74bab20 R08: 0000000000000000 R09: 0000000000000000
[  616.012013][T10236] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a915316
[  616.012015][T10236] R13: 00000000004a1620 R14: 0000000000000000 R15: 00007fffc74bb290
| [  625.600275][T10379] softirqs last disabled at (18472): netif_change_name (./include/linux/spinlock.h:353 ./include/linux/seqlock.h:908 net/core/dev.c:1499)
| [  625.600277][T10379] Preemption disabled at:
| [  625.600278][T10379] vprintk_emit (kernel/printk/printk.c:2471)
| [  625.600287][T10379] Tainted: [W]=WARN
[  625.600288][T10379] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[  625.600290][T10379] Call Trace:
[  625.600292][T10379]  <TASK>
[  625.600293][T10379]  dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120)
[  625.600299][T10379]  ? vprintk_emit (kernel/printk/printk.c:2471)
[  625.600301][T10379]  __might_resched.cold (kernel/sched/core.c:9234)
[  625.600306][T10379]  ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3))
[  625.600311][T10379]  ? __kmalloc_noprof (./include/linux/sched/mm.h:317 mm/slub.c:4636 mm/slub.c:4974 mm/slub.c:5413 mm/slub.c:5439)
[  625.600318][T10379]  __kmalloc_noprof (./include/linux/sched/mm.h:322 (discriminator 2) mm/slub.c:4636 (discriminator 2) mm/slub.c:4974 (discriminator 2) mm/slub.c:5413 (discriminator 2) mm/slub.c:5439 (discriminator 2))
[  625.600321][T10379]  ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[  625.600329][T10379]  ? do_raw_spin_unlock (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:32 ./include/asm-generic/qspinlock.h:58 kernel/locking/spinlock_debug.c:101 kernel/locking/spinlock_debug.c:141)
[  625.600332][T10379]  alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[  625.600336][T10379]  put_chars (drivers/char/virtio_console.c:1176)
[  625.600339][T10379]  ? __send_to_port (drivers/char/virtio_console.c:654)
[  625.600345][T10379]  hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2))
[  625.600353][T10379]  ? hvc_write (drivers/tty/hvc/hvc_console.c:501)
[  625.600356][T10379]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  625.600361][T10379]  console_emit_next_record (kernel/printk/printk.c:3183)
[  625.600365][T10379]  ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20)
[  625.600367][T10379]  ? console_flush_one_record (./include/linux/rcupdate.h:314 (discriminator 2) ./include/linux/srcu.h:439 (discriminator 2) kernel/printk/printk.c:291 (discriminator 2) kernel/printk/printk.c:3246 (discriminator 2))
[  625.600370][T10379]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  625.600373][T10379]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  625.600377][T10379]  console_flush_one_record (kernel/printk/printk.c:3268)
[  625.600382][T10379]  ? console_emit_next_record (kernel/printk/printk.c:3150)
[  625.600384][T10379]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[  625.600389][T10379]  console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420)
[  625.600392][T10379]  ? console_flush_one_record (kernel/printk/printk.c:3316)
[  625.600394][T10379]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  625.600396][T10379]  ? lock_acquire (./include/linux/srcutree.h:374 ./include/linux/srcu.h:541 ./include/linux/srcu.h:645 ./include/trace/events/lock.h:23 ./include/trace/events/lock.h:23 kernel/locking/lockdep.c:5871)
[  625.600400][T10379]  ? __down_trylock_console_sem (kernel/printk/printk.c:334)
[  625.600402][T10379]  ? vprintk_emit (kernel/printk/printk.c:2478)
[  625.600405][T10379]  vprintk_emit (kernel/printk/printk.c:2479)
[  625.600408][T10379]  ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126))
[  625.600410][T10379]  ? _mutex_trylock_nest_lock (kernel/locking/mutex.c:1227 (discriminator 6))
[  625.600416][T10379]  _printk (kernel/printk/printk.c:2504)
[  625.600420][T10379]  ? snapshot_read.cold (user.c:?)
[  625.600422][T10379]  ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4116 (discriminator 3) kernel/rcu/tree.c:4108 (discriminator 3))
[  625.600424][T10379]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380)
[  625.600427][T10379]  ? validate_chain (kernel/locking/lockdep.c:3817 (discriminator 2) kernel/locking/lockdep.c:3837 (discriminator 2) kernel/locking/lockdep.c:3892 (discriminator 2))
[  625.600430][T10379]  ? netdev_name (./include/linux/netdevice.h:5709 (discriminator 1))
[  625.600434][T10379]  ? __netdev_printk (net/core/dev.c:13148 (discriminator 2))
[  625.600437][T10379]  ? do_setlink.isra.0 (net/core/rtnetlink.c:3246)
[  625.600439][T10379]  netdev_info (net/core/dev.c:13195 (discriminator 3))
[  625.600442][T10379]  ? netdev_notice (net/core/dev.c:13194)
[  625.600445][T10379]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[  625.600448][T10379]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554)
[  625.600451][T10379]  ? mark_held_locks (kernel/locking/lockdep.c:4341)
[  625.600454][T10379]  ? do_setlink.isra.0 (net/core/rtnetlink.c:3246)
[  625.600457][T10379]  netif_change_name.cold (net/core/dev.c:1507 (discriminator 3))
[  625.600459][T10379]  ? register_netdev (net/core/dev.c:11618)
[  625.600461][T10379]  ? is_bpf_text_address (./include/linux/rcupdate.h:319 (discriminator 2) ./include/linux/rcupdate.h:880 (discriminator 2) kernel/bpf/core.c:751 (discriminator 2))
[  625.600466][T10379]  ? netdev_adjacent_rename_links (net/core/dev.c:9598)
[  625.600469][T10379]  ? __kernel_text_address (kernel/extable.c:79)
[  625.600471][T10379]  ? write_profile (profile.c:?)
[  625.600476][T10379]  ? __asan_memset (mm/kasan/shadow.c:84 (discriminator 1))
[  625.600481][T10379]  do_setlink.isra.0 (net/core/rtnetlink.c:3246)
[  625.600485][T10379]  ? stack_trace_save (kernel/stacktrace.c:122 (discriminator 1))
[  625.600487][T10379]  ? rtnl_link_get_size (net/core/rtnetlink.c:747)
[  625.600489][T10379]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:388 kernel/rcu/update.c:380)
[  625.600491][T10379]  ? stack_depot_save_flags (lib/stackdepot.c:609 (discriminator 2) lib/stackdepot.c:676 (discriminator 2))
[  625.600494][T10379]  ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4116 (discriminator 3) kernel/rcu/tree.c:4108 (discriminator 3))
[  625.600496][T10379]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380)
[  625.600498][T10379]  ? validate_chain (kernel/locking/lockdep.c:3817 (discriminator 2) kernel/locking/lockdep.c:3837 (discriminator 2) kernel/locking/lockdep.c:3892 (discriminator 2))
[  625.600501][T10379]  ? kasan_save_stack (mm/kasan/common.c:58)
[  625.600503][T10379]  ? kasan_save_stack (mm/kasan/common.c:57)
[  625.600504][T10379]  ? kasan_save_track (mm/kasan/common.c:78)
[  625.600505][T10379]  ? __kasan_kmalloc (mm/kasan/common.c:398 mm/kasan/common.c:415)
[  625.600507][T10379]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[  625.600509][T10379]  ? snd_ac97_proc_read_main (sound/pci/ac97/ac97_proc.c:320)
[  625.600513][T10379]  ? ___sys_sendmsg (net/socket.c:2758)
[  625.600517][T10379]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2))
[  625.600519][T10379]  ? rtnl_newlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:366 net/core/rtnetlink.c:4214)
[  625.600522][T10379]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  625.600524][T10379]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  625.600525][T10379]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  625.600526][T10379]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  625.600528][T10379]  ? trace_contention_end (./include/trace/events/lock.h:121 (discriminator 22))
[  625.600530][T10379]  ? __mutex_lock (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:3188 kernel/locking/mutex.c:89 kernel/locking/mutex.c:134 kernel/locking/mutex.c:649 kernel/locking/mutex.c:821)
[  625.600532][T10379]  ? __mutex_lock (kernel/locking/mutex.c:656 (discriminator 1) kernel/locking/mutex.c:821 (discriminator 1))
[  625.600534][T10379]  ? rtnl_newlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:366 net/core/rtnetlink.c:4214)
[  625.600537][T10379]  ? ww_mutex_lock (kernel/locking/mutex.c:934)
[  625.600538][T10379]  ? nla_get_range_signed (lib/nlattr.c:270)
[  625.600544][T10379]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  625.600546][T10379]  ? __rtnl_newlink (net/core/rtnetlink.c:4063)
[  625.600551][T10379]  rtnl_newlink (net/core/rtnetlink.c:4215)
[  625.600557][T10379]  ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558)
[  625.600559][T10379]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[  625.600567][T10379]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2))
[  625.600569][T10379]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[  625.600571][T10379]  ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558)
[  625.600573][T10379]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554)
[  625.600577][T10379]  ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558)
[  625.600579][T10379]  rtnetlink_rcv_msg (net/core/rtnetlink.c:7132)
[  625.600583][T10379]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[  625.600584][T10379]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[  625.600589][T10379]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2))
[  625.600591][T10379]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[  625.600594][T10379]  netlink_rcv_skb (net/netlink/af_netlink.c:2556)
[  625.600598][T10379]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[  625.600601][T10379]  ? netlink_ack (./include/linux/skbuff.h:2718)
[  625.600608][T10379]  ? netlink_deliver_tap (./include/linux/rcupdate.h:319 (discriminator 2) ./include/linux/rcupdate.h:880 (discriminator 2) ./include/net/netns/generic.h:48 (discriminator 2) net/netlink/af_netlink.c:334 (discriminator 2))
[  625.600610][T10379]  ? netlink_deliver_tap (./include/linux/rcupdate.h:319 (discriminator 2) ./include/linux/rcupdate.h:880 (discriminator 2) net/netlink/af_netlink.c:341 (discriminator 2))
[  625.600615][T10379]  netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[  625.600619][T10379]  ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[  625.600622][T10379]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[  625.600626][T10379]  netlink_sendmsg (net/netlink/af_netlink.c:1900)
[  625.600630][T10379]  ? netlink_unicast (./include/net/net_namespace.h:422 (discriminator 7))
[  625.600634][T10379]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554)
[  625.600636][T10379]  ? __import_iovec (lib/iov_iter.c:1358 lib/iov_iter.c:1373)
[  625.600641][T10379]  __sock_sendmsg (net/socket.c:800 (discriminator 4) net/socket.c:815 (discriminator 4))
[  625.600644][T10379]  ____sys_sendmsg (net/socket.c:2713)
[  625.600646][T10379]  ? copy_msghdr_from_user (net/socket.c:2650)
[  625.600649][T10379]  ? sock_write_iter (net/socket.c:1269)
[  625.600651][T10379]  ? move_addr_to_kernel (net/socket.c:258)
[  625.600658][T10379]  ___sys_sendmsg (net/socket.c:2767)
[  625.600661][T10379]  ? copy_msghdr_from_user (net/socket.c:2619)
[  625.600677][T10379]  __sys_sendmsg (net/socket.c:2799)
[  625.600680][T10379]  ? __sys_sendmsg_sock (net/socket.c:2780)
[  625.600687][T10379]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  625.600690][T10379]  do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84)
[  625.600693][T10379]  ? exc_page_fault (arch/x86/mm/fault.c:1489 (discriminator 3) arch/x86/mm/fault.c:1536 (discriminator 3))
[  625.600696][T10379]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[  625.600699][T10379] RIP: 0033:0x7f1dc12dd54e
[  625.600702][T10379] Code: 4d 89 d8 e8 b4 bd 00 00 4c 8b 5d f8 41 8b 93 08 03 00 00 59 5e 48 83 f8 fc 74 11 c9 c3 0f 1f 80 00 00 00 00 48 8b 45 10 0f 05 <c9> c3 83 e2 39 83 fa 08 75 e7 e8 03 ff ff ff 0f 1f 00 f3 0f 1e fa
All code
========
   0:	4d 89 d8             	mov    %r11,%r8
   3:	e8 b4 bd 00 00       	call   0xbdbc
   8:	4c 8b 5d f8          	mov    -0x8(%rbp),%r11
   c:	41 8b 93 08 03 00 00 	mov    0x308(%r11),%edx
  13:	59                   	pop    %rcx
  14:	5e                   	pop    %rsi
  15:	48 83 f8 fc          	cmp    $0xfffffffffffffffc,%rax
  19:	74 11                	je     0x2c
  1b:	c9                   	leave
  1c:	c3                   	ret
  1d:	0f 1f 80 00 00 00 00 	nopl   0x0(%rax)
  24:	48 8b 45 10          	mov    0x10(%rbp),%rax
  28:	0f 05                	syscall
  2a:*	c9                   	leave		<-- trapping instruction
  2b:	c3                   	ret
  2c:	83 e2 39             	and    $0x39,%edx
  2f:	83 fa 08             	cmp    $0x8,%edx
  32:	75 e7                	jne    0x1b
  34:	e8 03 ff ff ff       	call   0xffffffffffffff3c
  39:	0f 1f 00             	nopl   (%rax)
  3c:	f3 0f 1e fa          	endbr64

Code starting with the faulting instruction
===========================================
   0:	c9                   	leave
   1:	c3                   	ret
   2:	83 e2 39             	and    $0x39,%edx
   5:	83 fa 08             	cmp    $0x8,%edx
   8:	75 e7                	jne    0xfffffffffffffff1
   a:	e8 03 ff ff ff       	call   0xffffffffffffff12
   f:	0f 1f 00             	nopl   (%rax)
  12:	f3 0f 1e fa          	endbr64
[  625.600704][T10379] RSP: 002b:00007ffdb44f79b0 EFLAGS: 00000202 ORIG_RAX: 000000000000002e
[  625.600707][T10379] RAX: ffffffffffffffda RBX: 0000000000000005 RCX: 00007f1dc12dd54e
[  625.600709][T10379] RDX: 0000000000000000 RSI: 00007ffdb44f7a60 RDI: 0000000000000005
[  625.600710][T10379] RBP: 00007ffdb44f79c0 R08: 0000000000000000 R09: 0000000000000000
[  625.600711][T10379] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a91531f
[  625.600712][T10379] R13: 00000000004a1620 R14: 0000000000000000 R15: 00007ffdb44f8130
| [  634.717066][T10522] softirqs last disabled at (30260): netif_change_name (./include/linux/spinlock.h:353 ./include/linux/seqlock.h:908 net/core/dev.c:1499)
| [  634.717069][T10522] Preemption disabled at:
| [  634.717070][T10522] vprintk_emit (kernel/printk/printk.c:2471)
| [  634.717079][T10522] Tainted: [W]=WARN
[  634.717080][T10522] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[  634.717082][T10522] Call Trace:
[  634.717083][T10522]  <TASK>
[  634.717085][T10522]  dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120)
[  634.717091][T10522]  ? vprintk_emit (kernel/printk/printk.c:2471)
[  634.717093][T10522]  __might_resched.cold (kernel/sched/core.c:9234)
[  634.717097][T10522]  ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3))
[  634.717102][T10522]  ? __kmalloc_noprof (./include/linux/sched/mm.h:317 mm/slub.c:4636 mm/slub.c:4974 mm/slub.c:5413 mm/slub.c:5439)
[  634.717106][T10522]  __kmalloc_noprof (./include/linux/sched/mm.h:322 (discriminator 2) mm/slub.c:4636 (discriminator 2) mm/slub.c:4974 (discriminator 2) mm/slub.c:5413 (discriminator 2) mm/slub.c:5439 (discriminator 2))
[  634.717108][T10522]  ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[  634.717115][T10522]  ? do_raw_spin_unlock (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:32 ./include/asm-generic/qspinlock.h:58 kernel/locking/spinlock_debug.c:101 kernel/locking/spinlock_debug.c:141)
[  634.717118][T10522]  alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[  634.717122][T10522]  put_chars (drivers/char/virtio_console.c:1176)
[  634.717124][T10522]  ? __send_to_port (drivers/char/virtio_console.c:654)
[  634.717131][T10522]  hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2))
[  634.717139][T10522]  ? hvc_write (drivers/tty/hvc/hvc_console.c:501)
[  634.717142][T10522]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  634.717147][T10522]  console_emit_next_record (kernel/printk/printk.c:3183)
[  634.717151][T10522]  ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20)
[  634.717153][T10522]  ? console_flush_one_record (./include/linux/rcupdate.h:314 (discriminator 2) ./include/linux/srcu.h:439 (discriminator 2) kernel/printk/printk.c:291 (discriminator 2) kernel/printk/printk.c:3246 (discriminator 2))
[  634.717156][T10522]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  634.717159][T10522]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  634.717163][T10522]  console_flush_one_record (kernel/printk/printk.c:3268)
[  634.717168][T10522]  ? console_emit_next_record (kernel/printk/printk.c:3150)
[  634.717170][T10522]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[  634.717175][T10522]  console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420)
[  634.717179][T10522]  ? console_flush_one_record (kernel/printk/printk.c:3316)
[  634.717181][T10522]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  634.717182][T10522]  ? lock_acquire (./include/linux/srcutree.h:374 ./include/linux/srcu.h:541 ./include/linux/srcu.h:645 ./include/trace/events/lock.h:23 ./include/trace/events/lock.h:23 kernel/locking/lockdep.c:5871)
[  634.717186][T10522]  ? __down_trylock_console_sem (kernel/printk/printk.c:334)
[  634.717188][T10522]  ? vprintk_emit (kernel/printk/printk.c:2478)
[  634.717191][T10522]  vprintk_emit (kernel/printk/printk.c:2479)
[  634.717194][T10522]  ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126))
[  634.717197][T10522]  ? _mutex_trylock_nest_lock (kernel/locking/mutex.c:1227 (discriminator 6))
[  634.717202][T10522]  _printk (kernel/printk/printk.c:2504)
[  634.717206][T10522]  ? snapshot_read.cold (user.c:?)
[  634.717208][T10522]  ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4116 (discriminator 3) kernel/rcu/tree.c:4108 (discriminator 3))
[  634.717210][T10522]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380)
[  634.717213][T10522]  ? validate_chain (kernel/locking/lockdep.c:3817 (discriminator 2) kernel/locking/lockdep.c:3837 (discriminator 2) kernel/locking/lockdep.c:3892 (discriminator 2))
[  634.717216][T10522]  ? netdev_name (./include/linux/netdevice.h:5709 (discriminator 1))
[  634.717220][T10522]  ? __netdev_printk (net/core/dev.c:13148 (discriminator 2))
[  634.717222][T10522]  ? do_setlink.isra.0 (net/core/rtnetlink.c:3246)
[  634.717225][T10522]  netdev_info (net/core/dev.c:13195 (discriminator 3))
[  634.717228][T10522]  ? netdev_notice (net/core/dev.c:13194)
[  634.717231][T10522]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[  634.717234][T10522]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554)
[  634.717237][T10522]  ? mark_held_locks (kernel/locking/lockdep.c:4341)
[  634.717240][T10522]  ? do_setlink.isra.0 (net/core/rtnetlink.c:3246)
[  634.717242][T10522]  netif_change_name.cold (net/core/dev.c:1507 (discriminator 3))
[  634.717245][T10522]  ? register_netdev (net/core/dev.c:11618)
[  634.717246][T10522]  ? is_bpf_text_address (./include/linux/rcupdate.h:319 (discriminator 2) ./include/linux/rcupdate.h:880 (discriminator 2) kernel/bpf/core.c:751 (discriminator 2))
[  634.717252][T10522]  ? netdev_adjacent_rename_links (net/core/dev.c:9598)
[  634.717254][T10522]  ? __kernel_text_address (kernel/extable.c:79)
[  634.717257][T10522]  ? write_profile (profile.c:?)
[  634.717261][T10522]  ? __asan_memset (mm/kasan/shadow.c:84 (discriminator 1))
[  634.717267][T10522]  do_setlink.isra.0 (net/core/rtnetlink.c:3246)
[  634.717270][T10522]  ? stack_trace_save (kernel/stacktrace.c:122 (discriminator 1))
[  634.717273][T10522]  ? rtnl_link_get_size (net/core/rtnetlink.c:747)
[  634.717274][T10522]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:388 kernel/rcu/update.c:380)
[  634.717276][T10522]  ? stack_depot_save_flags (lib/stackdepot.c:609 (discriminator 2) lib/stackdepot.c:676 (discriminator 2))
[  634.717280][T10522]  ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4116 (discriminator 3) kernel/rcu/tree.c:4108 (discriminator 3))
[  634.717282][T10522]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380)
[  634.717283][T10522]  ? validate_chain (kernel/locking/lockdep.c:3817 (discriminator 2) kernel/locking/lockdep.c:3837 (discriminator 2) kernel/locking/lockdep.c:3892 (discriminator 2))
[  634.717286][T10522]  ? kasan_save_stack (mm/kasan/common.c:58)
[  634.717288][T10522]  ? kasan_save_stack (mm/kasan/common.c:57)
[  634.717289][T10522]  ? kasan_save_track (mm/kasan/common.c:78)
[  634.717290][T10522]  ? __kasan_kmalloc (mm/kasan/common.c:398 mm/kasan/common.c:415)
[  634.717293][T10522]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[  634.717295][T10522]  ? snd_ac97_proc_read_main (sound/pci/ac97/ac97_proc.c:320)
[  634.717298][T10522]  ? ___sys_sendmsg (net/socket.c:2758)
[  634.717302][T10522]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2))
[  634.717305][T10522]  ? rtnl_newlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:366 net/core/rtnetlink.c:4214)
[  634.717307][T10522]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  634.717309][T10522]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  634.717311][T10522]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  634.717312][T10522]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  634.717314][T10522]  ? trace_contention_end (./include/trace/events/lock.h:121 (discriminator 22))
[  634.717316][T10522]  ? __mutex_lock (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:3188 kernel/locking/mutex.c:89 kernel/locking/mutex.c:134 kernel/locking/mutex.c:649 kernel/locking/mutex.c:821)
[  634.717317][T10522]  ? __mutex_lock (kernel/locking/mutex.c:656 (discriminator 1) kernel/locking/mutex.c:821 (discriminator 1))
[  634.717319][T10522]  ? rtnl_newlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:366 net/core/rtnetlink.c:4214)
[  634.717323][T10522]  ? ww_mutex_lock (kernel/locking/mutex.c:934)
[  634.717324][T10522]  ? nla_get_range_signed (lib/nlattr.c:270)
[  634.717329][T10522]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  634.717331][T10522]  ? __rtnl_newlink (net/core/rtnetlink.c:4063)
[  634.717337][T10522]  rtnl_newlink (net/core/rtnetlink.c:4215)
[  634.717342][T10522]  ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558)
[  634.717344][T10522]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[  634.717349][T10522]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2))
[  634.717351][T10522]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[  634.717353][T10522]  ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558)
[  634.717355][T10522]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554)
[  634.717359][T10522]  ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558)
[  634.717361][T10522]  rtnetlink_rcv_msg (net/core/rtnetlink.c:7132)
[  634.717364][T10522]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[  634.717366][T10522]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[  634.717370][T10522]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2))
[  634.717372][T10522]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[  634.717376][T10522]  netlink_rcv_skb (net/netlink/af_netlink.c:2556)
[  634.717380][T10522]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[  634.717383][T10522]  ? netlink_ack (./include/linux/skbuff.h:2718)
[  634.717389][T10522]  ? netlink_deliver_tap (./include/linux/rcupdate.h:319 (discriminator 2) ./include/linux/rcupdate.h:880 (discriminator 2) ./include/net/netns/generic.h:48 (discriminator 2) net/netlink/af_netlink.c:334 (discriminator 2))
[  634.717392][T10522]  ? netlink_deliver_tap (./include/linux/rcupdate.h:319 (discriminator 2) ./include/linux/rcupdate.h:880 (discriminator 2) net/netlink/af_netlink.c:341 (discriminator 2))
[  634.717396][T10522]  netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[  634.717401][T10522]  ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[  634.717403][T10522]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[  634.717408][T10522]  netlink_sendmsg (net/netlink/af_netlink.c:1900)
[  634.717412][T10522]  ? netlink_unicast (./include/net/net_namespace.h:422 (discriminator 7))
[  634.717416][T10522]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554)
[  634.717418][T10522]  ? __import_iovec (lib/iov_iter.c:1358 lib/iov_iter.c:1373)
[  634.717423][T10522]  __sock_sendmsg (net/socket.c:800 (discriminator 4) net/socket.c:815 (discriminator 4))
[  634.717426][T10522]  ____sys_sendmsg (net/socket.c:2713)
[  634.717428][T10522]  ? copy_msghdr_from_user (net/socket.c:2650)
[  634.717431][T10522]  ? sock_write_iter (net/socket.c:1269)
[  634.717432][T10522]  ? move_addr_to_kernel (net/socket.c:258)
[  634.717440][T10522]  ___sys_sendmsg (net/socket.c:2767)
[  634.717443][T10522]  ? copy_msghdr_from_user (net/socket.c:2619)
[  634.717459][T10522]  __sys_sendmsg (net/socket.c:2799)
[  634.717462][T10522]  ? __sys_sendmsg_sock (net/socket.c:2780)
[  634.717469][T10522]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  634.717472][T10522]  do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84)
[  634.717475][T10522]  ? exc_page_fault (arch/x86/mm/fault.c:1489 (discriminator 3) arch/x86/mm/fault.c:1536 (discriminator 3))
[  634.717478][T10522]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[  634.717481][T10522] RIP: 0033:0x7f55e180554e
[  634.717485][T10522] Code: 4d 89 d8 e8 b4 bd 00 00 4c 8b 5d f8 41 8b 93 08 03 00 00 59 5e 48 83 f8 fc 74 11 c9 c3 0f 1f 80 00 00 00 00 48 8b 45 10 0f 05 <c9> c3 83 e2 39 83 fa 08 75 e7 e8 03 ff ff ff 0f 1f 00 f3 0f 1e fa
All code
========
   0:	4d 89 d8             	mov    %r11,%r8
   3:	e8 b4 bd 00 00       	call   0xbdbc
   8:	4c 8b 5d f8          	mov    -0x8(%rbp),%r11
   c:	41 8b 93 08 03 00 00 	mov    0x308(%r11),%edx
  13:	59                   	pop    %rcx
  14:	5e                   	pop    %rsi
  15:	48 83 f8 fc          	cmp    $0xfffffffffffffffc,%rax
  19:	74 11                	je     0x2c
  1b:	c9                   	leave
  1c:	c3                   	ret
  1d:	0f 1f 80 00 00 00 00 	nopl   0x0(%rax)
  24:	48 8b 45 10          	mov    0x10(%rbp),%rax
  28:	0f 05                	syscall
  2a:*	c9                   	leave		<-- trapping instruction
  2b:	c3                   	ret
  2c:	83 e2 39             	and    $0x39,%edx
  2f:	83 fa 08             	cmp    $0x8,%edx
  32:	75 e7                	jne    0x1b
  34:	e8 03 ff ff ff       	call   0xffffffffffffff3c
  39:	0f 1f 00             	nopl   (%rax)
  3c:	f3 0f 1e fa          	endbr64

Code starting with the faulting instruction
===========================================
   0:	c9                   	leave
   1:	c3                   	ret
   2:	83 e2 39             	and    $0x39,%edx
   5:	83 fa 08             	cmp    $0x8,%edx
   8:	75 e7                	jne    0xfffffffffffffff1
   a:	e8 03 ff ff ff       	call   0xffffffffffffff12
   f:	0f 1f 00             	nopl   (%rax)
  12:	f3 0f 1e fa          	endbr64
[  634.717487][T10522] RSP: 002b:00007ffde0976090 EFLAGS: 00000202 ORIG_RAX: 000000000000002e
[  634.717490][T10522] RAX: ffffffffffffffda RBX: 0000000000000005 RCX: 00007f55e180554e
[  634.717492][T10522] RDX: 0000000000000000 RSI: 00007ffde0976140 RDI: 0000000000000005
[  634.717492][T10522] RBP: 00007ffde09760a0 R08: 0000000000000000 R09: 0000000000000000
[  634.717493][T10522] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a915329
[  634.717494][T10522] R13: 00000000004a1620 R14: 0000000000000000 R15: 00007ffde0976810
| [  643.994421][T10665] softirqs last disabled at (21650): netif_change_name (./include/linux/spinlock.h:353 ./include/linux/seqlock.h:908 net/core/dev.c:1499)
| [  643.994424][T10665] Preemption disabled at:
| [  643.994424][T10665] vprintk_emit (kernel/printk/printk.c:2471)
| [  643.994434][T10665] Tainted: [W]=WARN
[  643.994435][T10665] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[  643.994436][T10665] Call Trace:
[  643.994438][T10665]  <TASK>
[  643.994440][T10665]  dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120)
[  643.994446][T10665]  ? vprintk_emit (kernel/printk/printk.c:2471)
[  643.994448][T10665]  __might_resched.cold (kernel/sched/core.c:9234)
[  643.994453][T10665]  ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3))
[  643.994457][T10665]  ? __kmalloc_noprof (./include/linux/sched/mm.h:317 mm/slub.c:4636 mm/slub.c:4974 mm/slub.c:5413 mm/slub.c:5439)
[  643.994462][T10665]  __kmalloc_noprof (./include/linux/sched/mm.h:322 (discriminator 2) mm/slub.c:4636 (discriminator 2) mm/slub.c:4974 (discriminator 2) mm/slub.c:5413 (discriminator 2) mm/slub.c:5439 (discriminator 2))
[  643.994463][T10665]  ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[  643.994470][T10665]  ? do_raw_spin_unlock (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:32 ./include/asm-generic/qspinlock.h:58 kernel/locking/spinlock_debug.c:101 kernel/locking/spinlock_debug.c:141)
[  643.994473][T10665]  alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[  643.994477][T10665]  put_chars (drivers/char/virtio_console.c:1176)
[  643.994480][T10665]  ? __send_to_port (drivers/char/virtio_console.c:654)
[  643.994486][T10665]  hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2))
[  643.994494][T10665]  ? hvc_write (drivers/tty/hvc/hvc_console.c:501)
[  643.994498][T10665]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  643.994502][T10665]  console_emit_next_record (kernel/printk/printk.c:3183)
[  643.994506][T10665]  ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20)
[  643.994508][T10665]  ? console_flush_one_record (./include/linux/rcupdate.h:314 (discriminator 2) ./include/linux/srcu.h:439 (discriminator 2) kernel/printk/printk.c:291 (discriminator 2) kernel/printk/printk.c:3246 (discriminator 2))
[  643.994512][T10665]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  643.994515][T10665]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  643.994519][T10665]  console_flush_one_record (kernel/printk/printk.c:3268)
[  643.994523][T10665]  ? console_emit_next_record (kernel/printk/printk.c:3150)
[  643.994525][T10665]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[  643.994531][T10665]  console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420)
[  643.994534][T10665]  ? console_flush_one_record (kernel/printk/printk.c:3316)
[  643.994536][T10665]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  643.994538][T10665]  ? lock_acquire (./include/linux/srcutree.h:374 ./include/linux/srcu.h:541 ./include/linux/srcu.h:645 ./include/trace/events/lock.h:23 ./include/trace/events/lock.h:23 kernel/locking/lockdep.c:5871)
[  643.994542][T10665]  ? __down_trylock_console_sem (kernel/printk/printk.c:334)
[  643.994544][T10665]  ? vprintk_emit (kernel/printk/printk.c:2478)
[  643.994547][T10665]  vprintk_emit (kernel/printk/printk.c:2479)
[  643.994550][T10665]  ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126))
[  643.994553][T10665]  ? _mutex_trylock_nest_lock (kernel/locking/mutex.c:1227 (discriminator 6))
[  643.994558][T10665]  _printk (kernel/printk/printk.c:2504)
[  643.994565][T10665]  ? snapshot_read.cold (user.c:?)
[  643.994567][T10665]  ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4116 (discriminator 3) kernel/rcu/tree.c:4108 (discriminator 3))
[  643.994570][T10665]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380)
[  643.994572][T10665]  ? validate_chain (kernel/locking/lockdep.c:3817 (discriminator 2) kernel/locking/lockdep.c:3837 (discriminator 2) kernel/locking/lockdep.c:3892 (discriminator 2))
[  643.994575][T10665]  ? netdev_name (./include/linux/netdevice.h:5709 (discriminator 1))
[  643.994579][T10665]  ? __netdev_printk (net/core/dev.c:13148 (discriminator 2))
[  643.994582][T10665]  ? do_setlink.isra.0 (net/core/rtnetlink.c:3246)
[  643.994584][T10665]  netdev_info (net/core/dev.c:13195 (discriminator 3))
[  643.994587][T10665]  ? netdev_notice (net/core/dev.c:13194)
[  643.994590][T10665]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[  643.994593][T10665]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554)
[  643.994596][T10665]  ? mark_held_locks (kernel/locking/lockdep.c:4341)
[  643.994600][T10665]  ? do_setlink.isra.0 (net/core/rtnetlink.c:3246)
[  643.994602][T10665]  netif_change_name.cold (net/core/dev.c:1507 (discriminator 3))
[  643.994604][T10665]  ? register_netdev (net/core/dev.c:11618)
[  643.994606][T10665]  ? is_bpf_text_address (./include/linux/rcupdate.h:319 (discriminator 2) ./include/linux/rcupdate.h:880 (discriminator 2) kernel/bpf/core.c:751 (discriminator 2))
[  643.994611][T10665]  ? netdev_adjacent_rename_links (net/core/dev.c:9598)
[  643.994614][T10665]  ? __kernel_text_address (kernel/extable.c:79)
[  643.994616][T10665]  ? write_profile (profile.c:?)
[  643.994621][T10665]  ? __asan_memset (mm/kasan/shadow.c:84 (discriminator 1))
[  643.994627][T10665]  do_setlink.isra.0 (net/core/rtnetlink.c:3246)
[  643.994630][T10665]  ? stack_trace_save (kernel/stacktrace.c:122 (discriminator 1))
[  643.994632][T10665]  ? rtnl_link_get_size (net/core/rtnetlink.c:747)
[  643.994634][T10665]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:388 kernel/rcu/update.c:380)
[  643.994636][T10665]  ? stack_depot_save_flags (lib/stackdepot.c:609 (discriminator 2) lib/stackdepot.c:676 (discriminator 2))
[  643.994640][T10665]  ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4116 (discriminator 3) kernel/rcu/tree.c:4108 (discriminator 3))
[  643.994642][T10665]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380)
[  643.994644][T10665]  ? validate_chain (kernel/locking/lockdep.c:3817 (discriminator 2) kernel/locking/lockdep.c:3837 (discriminator 2) kernel/locking/lockdep.c:3892 (discriminator 2))
[  643.994646][T10665]  ? kasan_save_stack (mm/kasan/common.c:58)
[  643.994648][T10665]  ? kasan_save_stack (mm/kasan/common.c:57)
[  643.994649][T10665]  ? kasan_save_track (mm/kasan/common.c:78)
[  643.994651][T10665]  ? __kasan_kmalloc (mm/kasan/common.c:398 mm/kasan/common.c:415)
[  643.994653][T10665]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[  643.994655][T10665]  ? snd_ac97_proc_read_main (sound/pci/ac97/ac97_proc.c:320)
[  643.994659][T10665]  ? ___sys_sendmsg (net/socket.c:2758)
[  643.994663][T10665]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2))
[  643.994665][T10665]  ? rtnl_newlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:366 net/core/rtnetlink.c:4214)
[  643.994668][T10665]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  643.994669][T10665]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  643.994671][T10665]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  643.994672][T10665]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  643.994674][T10665]  ? trace_contention_end (./include/trace/events/lock.h:121 (discriminator 22))
[  643.994676][T10665]  ? __mutex_lock (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:3188 kernel/locking/mutex.c:89 kernel/locking/mutex.c:134 kernel/locking/mutex.c:649 kernel/locking/mutex.c:821)
[  643.994678][T10665]  ? __mutex_lock (kernel/locking/mutex.c:656 (discriminator 1) kernel/locking/mutex.c:821 (discriminator 1))
[  643.994680][T10665]  ? rtnl_newlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:366 net/core/rtnetlink.c:4214)
[  643.994683][T10665]  ? ww_mutex_lock (kernel/locking/mutex.c:934)
[  643.994684][T10665]  ? nla_get_range_signed (lib/nlattr.c:270)
[  643.994689][T10665]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  643.994692][T10665]  ? __rtnl_newlink (net/core/rtnetlink.c:4063)
[  643.994697][T10665]  rtnl_newlink (net/core/rtnetlink.c:4215)
[  643.994703][T10665]  ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558)
[  643.994705][T10665]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[  643.994710][T10665]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2))
[  643.994712][T10665]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[  643.994714][T10665]  ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558)
[  643.994716][T10665]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554)
[  643.994720][T10665]  ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558)
[  643.994722][T10665]  rtnetlink_rcv_msg (net/core/rtnetlink.c:7132)
[  643.994725][T10665]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[  643.994727][T10665]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[  643.994732][T10665]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2))
[  643.994734][T10665]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[  643.994737][T10665]  netlink_rcv_skb (net/netlink/af_netlink.c:2556)
[  643.994741][T10665]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[  643.994744][T10665]  ? netlink_ack (./include/linux/skbuff.h:2718)
[  643.994751][T10665]  ? netlink_deliver_tap (./include/linux/rcupdate.h:319 (discriminator 2) ./include/linux/rcupdate.h:880 (discriminator 2) ./include/net/netns/generic.h:48 (discriminator 2) net/netlink/af_netlink.c:334 (discriminator 2))
[  643.994753][T10665]  ? netlink_deliver_tap (./include/linux/rcupdate.h:319 (discriminator 2) ./include/linux/rcupdate.h:880 (discriminator 2) net/netlink/af_netlink.c:341 (discriminator 2))
[  643.994758][T10665]  netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[  643.994762][T10665]  ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[  643.994765][T10665]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[  643.994769][T10665]  netlink_sendmsg (net/netlink/af_netlink.c:1900)
[  643.994774][T10665]  ? netlink_unicast (./include/net/net_namespace.h:422 (discriminator 7))
[  643.994778][T10665]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554)
[  643.994779][T10665]  ? __import_iovec (lib/iov_iter.c:1358 lib/iov_iter.c:1373)
[  643.994785][T10665]  __sock_sendmsg (net/socket.c:800 (discriminator 4) net/socket.c:815 (discriminator 4))
[  643.994788][T10665]  ____sys_sendmsg (net/socket.c:2713)
[  643.994790][T10665]  ? copy_msghdr_from_user (net/socket.c:2650)
[  643.994792][T10665]  ? sock_write_iter (net/socket.c:1269)
[  643.994794][T10665]  ? move_addr_to_kernel (net/socket.c:258)
[  643.994802][T10665]  ___sys_sendmsg (net/socket.c:2767)
[  643.994805][T10665]  ? copy_msghdr_from_user (net/socket.c:2619)
[  643.994821][T10665]  __sys_sendmsg (net/socket.c:2799)
[  643.994824][T10665]  ? __sys_sendmsg_sock (net/socket.c:2780)
[  643.994831][T10665]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  643.994834][T10665]  do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84)
[  643.994837][T10665]  ? exc_page_fault (arch/x86/mm/fault.c:1489 (discriminator 3) arch/x86/mm/fault.c:1536 (discriminator 3))
[  643.994840][T10665]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[  643.994843][T10665] RIP: 0033:0x7f747fe9054e
[  643.994846][T10665] Code: 4d 89 d8 e8 b4 bd 00 00 4c 8b 5d f8 41 8b 93 08 03 00 00 59 5e 48 83 f8 fc 74 11 c9 c3 0f 1f 80 00 00 00 00 48 8b 45 10 0f 05 <c9> c3 83 e2 39 83 fa 08 75 e7 e8 03 ff ff ff 0f 1f 00 f3 0f 1e fa
All code
========
   0:	4d 89 d8             	mov    %r11,%r8
   3:	e8 b4 bd 00 00       	call   0xbdbc
   8:	4c 8b 5d f8          	mov    -0x8(%rbp),%r11
   c:	41 8b 93 08 03 00 00 	mov    0x308(%r11),%edx
  13:	59                   	pop    %rcx
  14:	5e                   	pop    %rsi
  15:	48 83 f8 fc          	cmp    $0xfffffffffffffffc,%rax
  19:	74 11                	je     0x2c
  1b:	c9                   	leave
  1c:	c3                   	ret
  1d:	0f 1f 80 00 00 00 00 	nopl   0x0(%rax)
  24:	48 8b 45 10          	mov    0x10(%rbp),%rax
  28:	0f 05                	syscall
  2a:*	c9                   	leave		<-- trapping instruction
  2b:	c3                   	ret
  2c:	83 e2 39             	and    $0x39,%edx
  2f:	83 fa 08             	cmp    $0x8,%edx
  32:	75 e7                	jne    0x1b
  34:	e8 03 ff ff ff       	call   0xffffffffffffff3c
  39:	0f 1f 00             	nopl   (%rax)
  3c:	f3 0f 1e fa          	endbr64

Code starting with the faulting instruction
===========================================
   0:	c9                   	leave
   1:	c3                   	ret
   2:	83 e2 39             	and    $0x39,%edx
   5:	83 fa 08             	cmp    $0x8,%edx
   8:	75 e7                	jne    0xfffffffffffffff1
   a:	e8 03 ff ff ff       	call   0xffffffffffffff12
   f:	0f 1f 00             	nopl   (%rax)
  12:	f3 0f 1e fa          	endbr64
[  643.994848][T10665] RSP: 002b:00007fffeb8ccc20 EFLAGS: 00000202 ORIG_RAX: 000000000000002e
[  643.994851][T10665] RAX: ffffffffffffffda RBX: 0000000000000005 RCX: 00007f747fe9054e
[  643.994853][T10665] RDX: 0000000000000000 RSI: 00007fffeb8cccd0 RDI: 0000000000000005
[  643.994854][T10665] RBP: 00007fffeb8ccc30 R08: 0000000000000000 R09: 0000000000000000
[  643.994855][T10665] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a915332
[  643.994856][T10665] R13: 00000000004a1620 R14: 0000000000000000 R15: 00007fffeb8cd3a0
| [  653.120319][T10809] softirqs last disabled at (22432): netif_change_name (./include/linux/spinlock.h:353 ./include/linux/seqlock.h:908 net/core/dev.c:1499)
| [  653.120323][T10809] Preemption disabled at:
| [  653.120323][T10809] vprintk_emit (kernel/printk/printk.c:2471)
| [  653.120333][T10809] Tainted: [W]=WARN
[  653.120334][T10809] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[  653.120335][T10809] Call Trace:
[  653.120337][T10809]  <TASK>
[  653.120339][T10809]  dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120)
[  653.120345][T10809]  ? vprintk_emit (kernel/printk/printk.c:2471)
[  653.120346][T10809]  __might_resched.cold (kernel/sched/core.c:9234)
[  653.120351][T10809]  ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3))
[  653.120355][T10809]  ? __kmalloc_noprof (./include/linux/sched/mm.h:317 mm/slub.c:4636 mm/slub.c:4974 mm/slub.c:5413 mm/slub.c:5439)
[  653.120360][T10809]  __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))
[  653.120362][T10809]  ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[  653.120369][T10809]  ? 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)
[  653.120372][T10809]  alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[  653.120376][T10809]  put_chars (drivers/char/virtio_console.c:1176)
[  653.120378][T10809]  ? __send_to_port (drivers/char/virtio_console.c:654)
[  653.120385][T10809]  hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2))
[  653.120393][T10809]  ? hvc_write (drivers/tty/hvc/hvc_console.c:501)
[  653.120396][T10809]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  653.120401][T10809]  console_emit_next_record (kernel/printk/printk.c:3183)
[  653.120405][T10809]  ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20)
[  653.120407][T10809]  ? 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))
[  653.120410][T10809]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  653.120413][T10809]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  653.120417][T10809]  console_flush_one_record (kernel/printk/printk.c:3268)
[  653.120422][T10809]  ? console_emit_next_record (kernel/printk/printk.c:3150)
[  653.120424][T10809]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[  653.120429][T10809]  console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420)
[  653.120432][T10809]  ? console_flush_one_record (kernel/printk/printk.c:3316)
[  653.120434][T10809]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  653.120436][T10809]  ? 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)
[  653.120440][T10809]  ? __down_trylock_console_sem (kernel/printk/printk.c:334)
[  653.120441][T10809]  ? vprintk_emit (kernel/printk/printk.c:2478)
[  653.120444][T10809]  vprintk_emit (kernel/printk/printk.c:2479)
[  653.120448][T10809]  ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126))
[  653.120451][T10809]  ? _mutex_trylock_nest_lock (kernel/locking/mutex.c:1227 (discriminator 6))
[  653.120456][T10809]  _printk (kernel/printk/printk.c:2504)
[  653.120460][T10809]  ? snapshot_read.cold (user.c:?)
[  653.120462][T10809]  ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4116 (discriminator 3) kernel/rcu/tree.c:4108 (discriminator 3))
[  653.120464][T10809]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380)
[  653.120467][T10809]  ? validate_chain (kernel/locking/lockdep.c:3817 (discriminator 2) kernel/locking/lockdep.c:3837 (discriminator 2) kernel/locking/lockdep.c:3892 (discriminator 2))
[  653.120469][T10809]  ? netdev_name (./include/linux/netdevice.h:5709 (discriminator 1))
[  653.120474][T10809]  ? __netdev_printk (net/core/dev.c:13148 (discriminator 2))
[  653.120477][T10809]  ? do_setlink.isra.0 (net/core/rtnetlink.c:3246)
[  653.120479][T10809]  netdev_info (net/core/dev.c:13195 (discriminator 3))
[  653.120482][T10809]  ? netdev_notice (net/core/dev.c:13194)
[  653.120485][T10809]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[  653.120488][T10809]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554)
[  653.120491][T10809]  ? mark_held_locks (kernel/locking/lockdep.c:4341)
[  653.120494][T10809]  ? do_setlink.isra.0 (net/core/rtnetlink.c:3246)
[  653.120497][T10809]  netif_change_name.cold (net/core/dev.c:1507 (discriminator 3))
[  653.120499][T10809]  ? register_netdev (net/core/dev.c:11618)
[  653.120500][T10809]  ? 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))
[  653.120506][T10809]  ? netdev_adjacent_rename_links (net/core/dev.c:9598)
[  653.120508][T10809]  ? __kernel_text_address (kernel/extable.c:79)
[  653.120511][T10809]  ? write_profile (profile.c:?)
[  653.120515][T10809]  ? __asan_memset (mm/kasan/shadow.c:84 (discriminator 1))
[  653.120521][T10809]  do_setlink.isra.0 (net/core/rtnetlink.c:3246)
[  653.120524][T10809]  ? stack_trace_save (kernel/stacktrace.c:122 (discriminator 1))
[  653.120527][T10809]  ? rtnl_link_get_size (net/core/rtnetlink.c:747)
[  653.120528][T10809]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:388 kernel/rcu/update.c:380)
[  653.120530][T10809]  ? stack_depot_save_flags (lib/stackdepot.c:609 (discriminator 2) lib/stackdepot.c:676 (discriminator 2))
[  653.120533][T10809]  ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4116 (discriminator 3) kernel/rcu/tree.c:4108 (discriminator 3))
[  653.120535][T10809]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380)
[  653.120537][T10809]  ? validate_chain (kernel/locking/lockdep.c:3817 (discriminator 2) kernel/locking/lockdep.c:3837 (discriminator 2) kernel/locking/lockdep.c:3892 (discriminator 2))
[  653.120540][T10809]  ? kasan_save_stack (mm/kasan/common.c:58)
[  653.120542][T10809]  ? kasan_save_stack (mm/kasan/common.c:57)
[  653.120543][T10809]  ? kasan_save_track (mm/kasan/common.c:78)
[  653.120544][T10809]  ? __kasan_kmalloc (mm/kasan/common.c:398 mm/kasan/common.c:415)
[  653.120547][T10809]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[  653.120549][T10809]  ? snd_ac97_proc_read_main (sound/pci/ac97/ac97_proc.c:320)
[  653.120552][T10809]  ? ___sys_sendmsg (net/socket.c:2758)
[  653.120556][T10809]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2))
[  653.120558][T10809]  ? rtnl_newlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:366 net/core/rtnetlink.c:4214)
[  653.120561][T10809]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  653.120566][T10809]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  653.120567][T10809]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  653.120568][T10809]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  653.120570][T10809]  ? trace_contention_end (./include/trace/events/lock.h:121 (discriminator 22))
[  653.120573][T10809]  ? __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)
[  653.120574][T10809]  ? __mutex_lock (kernel/locking/mutex.c:656 (discriminator 1) kernel/locking/mutex.c:821 (discriminator 1))
[  653.120576][T10809]  ? rtnl_newlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:366 net/core/rtnetlink.c:4214)
[  653.120580][T10809]  ? ww_mutex_lock (kernel/locking/mutex.c:934)
[  653.120581][T10809]  ? nla_get_range_signed (lib/nlattr.c:270)
[  653.120586][T10809]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  653.120589][T10809]  ? __rtnl_newlink (net/core/rtnetlink.c:4063)
[  653.120594][T10809]  rtnl_newlink (net/core/rtnetlink.c:4215)
[  653.120600][T10809]  ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558)
[  653.120602][T10809]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[  653.120606][T10809]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2))
[  653.120608][T10809]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[  653.120610][T10809]  ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558)
[  653.120612][T10809]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554)
[  653.120616][T10809]  ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558)
[  653.120619][T10809]  rtnetlink_rcv_msg (net/core/rtnetlink.c:7132)
[  653.120622][T10809]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[  653.120623][T10809]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[  653.120628][T10809]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2))
[  653.120630][T10809]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[  653.120634][T10809]  netlink_rcv_skb (net/netlink/af_netlink.c:2556)
[  653.120637][T10809]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[  653.120640][T10809]  ? netlink_ack (./include/linux/skbuff.h:2718)
[  653.120647][T10809]  ? 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))
[  653.120650][T10809]  ? 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))
[  653.120654][T10809]  netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[  653.120659][T10809]  ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[  653.120661][T10809]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[  653.120666][T10809]  netlink_sendmsg (net/netlink/af_netlink.c:1900)
[  653.120670][T10809]  ? netlink_unicast (./include/net/net_namespace.h:422 (discriminator 7))
[  653.120674][T10809]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554)
[  653.120676][T10809]  ? __import_iovec (lib/iov_iter.c:1358 lib/iov_iter.c:1373)
[  653.120681][T10809]  __sock_sendmsg (net/socket.c:800 (discriminator 4) net/socket.c:815 (discriminator 4))
[  653.120684][T10809]  ____sys_sendmsg (net/socket.c:2713)
[  653.120687][T10809]  ? copy_msghdr_from_user (net/socket.c:2650)
[  653.120689][T10809]  ? sock_write_iter (net/socket.c:1269)
[  653.120691][T10809]  ? move_addr_to_kernel (net/socket.c:258)
[  653.120699][T10809]  ___sys_sendmsg (net/socket.c:2767)
[  653.120701][T10809]  ? copy_msghdr_from_user (net/socket.c:2619)
[  653.120718][T10809]  __sys_sendmsg (net/socket.c:2799)
[  653.120721][T10809]  ? __sys_sendmsg_sock (net/socket.c:2780)
[  653.120728][T10809]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  653.120731][T10809]  do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84)
[  653.120734][T10809]  ? exc_page_fault (arch/x86/mm/fault.c:1489 (discriminator 3) arch/x86/mm/fault.c:1536 (discriminator 3))
[  653.120737][T10809]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[  653.120739][T10809] RIP: 0033:0x7f7f4583554e
[  653.120743][T10809] 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
[  653.120745][T10809] RSP: 002b:00007ffce5fe3bf0 EFLAGS: 00000202 ORIG_RAX: 000000000000002e
[  653.120748][T10809] RAX: ffffffffffffffda RBX: 0000000000000005 RCX: 00007f7f4583554e
[  653.120750][T10809] RDX: 0000000000000000 RSI: 00007ffce5fe3ca0 RDI: 0000000000000005
[  653.120751][T10809] RBP: 00007ffce5fe3c00 R08: 0000000000000000 R09: 0000000000000000
[  653.120751][T10809] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a91533b
[  653.120752][T10809] R13: 00000000004a1620 R14: 0000000000000000 R15: 00007ffce5fe4370
| [  662.102306][T10952] softirqs last disabled at (26342): netif_change_name (./include/linux/spinlock.h:353 ./include/linux/seqlock.h:908 net/core/dev.c:1499)
| [  662.102309][T10952] Preemption disabled at:
| [  662.102310][T10952] vprintk_emit (kernel/printk/printk.c:2471)
| [  662.102319][T10952] Tainted: [W]=WARN
[  662.102320][T10952] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[  662.102322][T10952] Call Trace:
[  662.102323][T10952]  <TASK>
[  662.102325][T10952]  dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120)
[  662.102331][T10952]  ? vprintk_emit (kernel/printk/printk.c:2471)
[  662.102333][T10952]  __might_resched.cold (kernel/sched/core.c:9234)
[  662.102337][T10952]  ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3))
[  662.102342][T10952]  ? __kmalloc_noprof (./include/linux/sched/mm.h:317 mm/slub.c:4636 mm/slub.c:4974 mm/slub.c:5413 mm/slub.c:5439)
[  662.102346][T10952]  __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))
[  662.102348][T10952]  ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[  662.102355][T10952]  ? 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)
[  662.102358][T10952]  alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[  662.102362][T10952]  put_chars (drivers/char/virtio_console.c:1176)
[  662.102364][T10952]  ? __send_to_port (drivers/char/virtio_console.c:654)
[  662.102371][T10952]  hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2))
[  662.102379][T10952]  ? hvc_write (drivers/tty/hvc/hvc_console.c:501)
[  662.102382][T10952]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  662.102387][T10952]  console_emit_next_record (kernel/printk/printk.c:3183)
[  662.102391][T10952]  ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20)
[  662.102393][T10952]  ? 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))
[  662.102397][T10952]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  662.102399][T10952]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  662.102404][T10952]  console_flush_one_record (kernel/printk/printk.c:3268)
[  662.102408][T10952]  ? console_emit_next_record (kernel/printk/printk.c:3150)
[  662.102410][T10952]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[  662.102415][T10952]  console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420)
[  662.102418][T10952]  ? console_flush_one_record (kernel/printk/printk.c:3316)
[  662.102420][T10952]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  662.102422][T10952]  ? 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)
[  662.102426][T10952]  ? __down_trylock_console_sem (kernel/printk/printk.c:334)
[  662.102428][T10952]  ? vprintk_emit (kernel/printk/printk.c:2478)
[  662.102431][T10952]  vprintk_emit (kernel/printk/printk.c:2479)
[  662.102434][T10952]  ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126))
[  662.102437][T10952]  ? _mutex_trylock_nest_lock (kernel/locking/mutex.c:1227 (discriminator 6))
[  662.102442][T10952]  _printk (kernel/printk/printk.c:2504)
[  662.102446][T10952]  ? snapshot_read.cold (user.c:?)
[  662.102447][T10952]  ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4116 (discriminator 3) kernel/rcu/tree.c:4108 (discriminator 3))
[  662.102450][T10952]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380)
[  662.102453][T10952]  ? validate_chain (kernel/locking/lockdep.c:3817 (discriminator 2) kernel/locking/lockdep.c:3837 (discriminator 2) kernel/locking/lockdep.c:3892 (discriminator 2))
[  662.102455][T10952]  ? netdev_name (./include/linux/netdevice.h:5709 (discriminator 1))
[  662.102459][T10952]  ? __netdev_printk (net/core/dev.c:13148 (discriminator 2))
[  662.102462][T10952]  ? do_setlink.isra.0 (net/core/rtnetlink.c:3246)
[  662.102464][T10952]  netdev_info (net/core/dev.c:13195 (discriminator 3))
[  662.102467][T10952]  ? netdev_notice (net/core/dev.c:13194)
[  662.102470][T10952]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[  662.102473][T10952]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554)
[  662.102476][T10952]  ? mark_held_locks (kernel/locking/lockdep.c:4341)
[  662.102480][T10952]  ? do_setlink.isra.0 (net/core/rtnetlink.c:3246)
[  662.102482][T10952]  netif_change_name.cold (net/core/dev.c:1507 (discriminator 3))
[  662.102484][T10952]  ? register_netdev (net/core/dev.c:11618)
[  662.102485][T10952]  ? 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))
[  662.102491][T10952]  ? netdev_adjacent_rename_links (net/core/dev.c:9598)
[  662.102494][T10952]  ? __kernel_text_address (kernel/extable.c:79)
[  662.102496][T10952]  ? write_profile (profile.c:?)
[  662.102500][T10952]  ? __asan_memset (mm/kasan/shadow.c:84 (discriminator 1))
[  662.102507][T10952]  do_setlink.isra.0 (net/core/rtnetlink.c:3246)
[  662.102510][T10952]  ? stack_trace_save (kernel/stacktrace.c:122 (discriminator 1))
[  662.102512][T10952]  ? rtnl_link_get_size (net/core/rtnetlink.c:747)
[  662.102514][T10952]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:388 kernel/rcu/update.c:380)
[  662.102516][T10952]  ? stack_depot_save_flags (lib/stackdepot.c:609 (discriminator 2) lib/stackdepot.c:676 (discriminator 2))
[  662.102519][T10952]  ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4116 (discriminator 3) kernel/rcu/tree.c:4108 (discriminator 3))
[  662.102521][T10952]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380)
[  662.102523][T10952]  ? validate_chain (kernel/locking/lockdep.c:3817 (discriminator 2) kernel/locking/lockdep.c:3837 (discriminator 2) kernel/locking/lockdep.c:3892 (discriminator 2))
[  662.102525][T10952]  ? kasan_save_stack (mm/kasan/common.c:58)
[  662.102527][T10952]  ? kasan_save_stack (mm/kasan/common.c:57)
[  662.102529][T10952]  ? kasan_save_track (mm/kasan/common.c:78)
[  662.102530][T10952]  ? __kasan_kmalloc (mm/kasan/common.c:398 mm/kasan/common.c:415)
[  662.102532][T10952]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[  662.102534][T10952]  ? snd_ac97_proc_read_main (sound/pci/ac97/ac97_proc.c:320)
[  662.102538][T10952]  ? ___sys_sendmsg (net/socket.c:2758)
[  662.102541][T10952]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2))
[  662.102544][T10952]  ? rtnl_newlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:366 net/core/rtnetlink.c:4214)
[  662.102546][T10952]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  662.102548][T10952]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  662.102550][T10952]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  662.102551][T10952]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  662.102552][T10952]  ? trace_contention_end (./include/trace/events/lock.h:121 (discriminator 22))
[  662.102555][T10952]  ? __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)
[  662.102556][T10952]  ? __mutex_lock (kernel/locking/mutex.c:656 (discriminator 1) kernel/locking/mutex.c:821 (discriminator 1))
[  662.102558][T10952]  ? rtnl_newlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:366 net/core/rtnetlink.c:4214)
[  662.102565][T10952]  ? ww_mutex_lock (kernel/locking/mutex.c:934)
[  662.102566][T10952]  ? nla_get_range_signed (lib/nlattr.c:270)
[  662.102572][T10952]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  662.102574][T10952]  ? __rtnl_newlink (net/core/rtnetlink.c:4063)
[  662.102580][T10952]  rtnl_newlink (net/core/rtnetlink.c:4215)
[  662.102585][T10952]  ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558)
[  662.102587][T10952]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[  662.102592][T10952]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2))
[  662.102594][T10952]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[  662.102596][T10952]  ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558)
[  662.102598][T10952]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554)
[  662.102602][T10952]  ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558)
[  662.102604][T10952]  rtnetlink_rcv_msg (net/core/rtnetlink.c:7132)
[  662.102607][T10952]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[  662.102608][T10952]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[  662.102613][T10952]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2))
[  662.102615][T10952]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[  662.102618][T10952]  netlink_rcv_skb (net/netlink/af_netlink.c:2556)
[  662.102622][T10952]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[  662.102625][T10952]  ? netlink_ack (./include/linux/skbuff.h:2718)
[  662.102632][T10952]  ? 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))
[  662.102634][T10952]  ? 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))
[  662.102638][T10952]  netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[  662.102642][T10952]  ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[  662.102645][T10952]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[  662.102650][T10952]  netlink_sendmsg (net/netlink/af_netlink.c:1900)
[  662.102654][T10952]  ? netlink_unicast (./include/net/net_namespace.h:422 (discriminator 7))
[  662.102658][T10952]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554)
[  662.102659][T10952]  ? __import_iovec (lib/iov_iter.c:1358 lib/iov_iter.c:1373)
[  662.102665][T10952]  __sock_sendmsg (net/socket.c:800 (discriminator 4) net/socket.c:815 (discriminator 4))
[  662.102668][T10952]  ____sys_sendmsg (net/socket.c:2713)
[  662.102670][T10952]  ? copy_msghdr_from_user (net/socket.c:2650)
[  662.102672][T10952]  ? sock_write_iter (net/socket.c:1269)
[  662.102674][T10952]  ? move_addr_to_kernel (net/socket.c:258)
[  662.102681][T10952]  ___sys_sendmsg (net/socket.c:2767)
[  662.102684][T10952]  ? copy_msghdr_from_user (net/socket.c:2619)
[  662.102700][T10952]  __sys_sendmsg (net/socket.c:2799)
[  662.102703][T10952]  ? __sys_sendmsg_sock (net/socket.c:2780)
[  662.102710][T10952]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  662.102713][T10952]  do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84)
[  662.102716][T10952]  ? exc_page_fault (arch/x86/mm/fault.c:1489 (discriminator 3) arch/x86/mm/fault.c:1536 (discriminator 3))
[  662.102719][T10952]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[  662.102722][T10952] RIP: 0033:0x7f60fd3f454e
[  662.102726][T10952] 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
[  662.102728][T10952] RSP: 002b:00007ffd3feae7b0 EFLAGS: 00000202 ORIG_RAX: 000000000000002e
[  662.102731][T10952] RAX: ffffffffffffffda RBX: 0000000000000005 RCX: 00007f60fd3f454e
[  662.102732][T10952] RDX: 0000000000000000 RSI: 00007ffd3feae860 RDI: 0000000000000005
[  662.102733][T10952] RBP: 00007ffd3feae7c0 R08: 0000000000000000 R09: 0000000000000000
[  662.102734][T10952] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a915344
[  662.102735][T10952] R13: 00000000004a1620 R14: 0000000000000000 R15: 00007ffd3feaef30
| [  671.008217][T11095] softirqs last disabled at (23630): netif_change_name (./include/linux/spinlock.h:353 ./include/linux/seqlock.h:908 net/core/dev.c:1499)
| [  671.008220][T11095] Preemption disabled at:
| [  671.008226][T11095] vprintk_emit (kernel/printk/printk.c:2471)
| [  671.008236][T11095] Tainted: [W]=WARN
[  671.008237][T11095] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[  671.008239][T11095] Call Trace:
[  671.008240][T11095]  <TASK>
[  671.008242][T11095]  dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120)
[  671.008248][T11095]  ? vprintk_emit (kernel/printk/printk.c:2471)
[  671.008250][T11095]  __might_resched.cold (kernel/sched/core.c:9234)
[  671.008255][T11095]  ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3))
[  671.008259][T11095]  ? __kmalloc_noprof (./include/linux/sched/mm.h:317 mm/slub.c:4636 mm/slub.c:4974 mm/slub.c:5413 mm/slub.c:5439)
[  671.008264][T11095]  __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))
[  671.008265][T11095]  ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[  671.008272][T11095]  ? 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)
[  671.008275][T11095]  alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[  671.008279][T11095]  put_chars (drivers/char/virtio_console.c:1176)
[  671.008282][T11095]  ? __send_to_port (drivers/char/virtio_console.c:654)
[  671.008288][T11095]  hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2))
[  671.008296][T11095]  ? hvc_write (drivers/tty/hvc/hvc_console.c:501)
[  671.008300][T11095]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  671.008304][T11095]  console_emit_next_record (kernel/printk/printk.c:3183)
[  671.008309][T11095]  ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20)
[  671.008311][T11095]  ? 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))
[  671.008314][T11095]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  671.008317][T11095]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  671.008321][T11095]  console_flush_one_record (kernel/printk/printk.c:3268)
[  671.008325][T11095]  ? console_emit_next_record (kernel/printk/printk.c:3150)
[  671.008328][T11095]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[  671.008333][T11095]  console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420)
[  671.008336][T11095]  ? console_flush_one_record (kernel/printk/printk.c:3316)
[  671.008338][T11095]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  671.008340][T11095]  ? 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)
[  671.008344][T11095]  ? __down_trylock_console_sem (kernel/printk/printk.c:334)
[  671.008346][T11095]  ? vprintk_emit (kernel/printk/printk.c:2478)
[  671.008348][T11095]  vprintk_emit (kernel/printk/printk.c:2479)
[  671.008352][T11095]  ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126))
[  671.008354][T11095]  ? _mutex_trylock_nest_lock (kernel/locking/mutex.c:1227 (discriminator 6))
[  671.008360][T11095]  _printk (kernel/printk/printk.c:2504)
[  671.008363][T11095]  ? snapshot_read.cold (user.c:?)
[  671.008365][T11095]  ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4116 (discriminator 3) kernel/rcu/tree.c:4108 (discriminator 3))
[  671.008368][T11095]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380)
[  671.008370][T11095]  ? validate_chain (kernel/locking/lockdep.c:3817 (discriminator 2) kernel/locking/lockdep.c:3837 (discriminator 2) kernel/locking/lockdep.c:3892 (discriminator 2))
[  671.008373][T11095]  ? netdev_name (./include/linux/netdevice.h:5709 (discriminator 1))
[  671.008377][T11095]  ? __netdev_printk (net/core/dev.c:13148 (discriminator 2))
[  671.008379][T11095]  ? do_setlink.isra.0 (net/core/rtnetlink.c:3246)
[  671.008382][T11095]  netdev_info (net/core/dev.c:13195 (discriminator 3))
[  671.008385][T11095]  ? netdev_notice (net/core/dev.c:13194)
[  671.008388][T11095]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[  671.008391][T11095]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554)
[  671.008393][T11095]  ? mark_held_locks (kernel/locking/lockdep.c:4341)
[  671.008397][T11095]  ? do_setlink.isra.0 (net/core/rtnetlink.c:3246)
[  671.008399][T11095]  netif_change_name.cold (net/core/dev.c:1507 (discriminator 3))
[  671.008401][T11095]  ? register_netdev (net/core/dev.c:11618)
[  671.008403][T11095]  ? 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))
[  671.008409][T11095]  ? netdev_adjacent_rename_links (net/core/dev.c:9598)
[  671.008411][T11095]  ? __kernel_text_address (kernel/extable.c:79)
[  671.008414][T11095]  ? write_profile (profile.c:?)
[  671.008418][T11095]  ? __asan_memset (mm/kasan/shadow.c:84 (discriminator 1))
[  671.008424][T11095]  do_setlink.isra.0 (net/core/rtnetlink.c:3246)
[  671.008428][T11095]  ? stack_trace_save (kernel/stacktrace.c:122 (discriminator 1))
[  671.008430][T11095]  ? rtnl_link_get_size (net/core/rtnetlink.c:747)
[  671.008431][T11095]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:388 kernel/rcu/update.c:380)
[  671.008433][T11095]  ? stack_depot_save_flags (lib/stackdepot.c:609 (discriminator 2) lib/stackdepot.c:676 (discriminator 2))
[  671.008437][T11095]  ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4116 (discriminator 3) kernel/rcu/tree.c:4108 (discriminator 3))
[  671.008439][T11095]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380)
[  671.008441][T11095]  ? validate_chain (kernel/locking/lockdep.c:3817 (discriminator 2) kernel/locking/lockdep.c:3837 (discriminator 2) kernel/locking/lockdep.c:3892 (discriminator 2))
[  671.008443][T11095]  ? kasan_save_stack (mm/kasan/common.c:58)
[  671.008445][T11095]  ? kasan_save_stack (mm/kasan/common.c:57)
[  671.008447][T11095]  ? kasan_save_track (mm/kasan/common.c:78)
[  671.008448][T11095]  ? __kasan_kmalloc (mm/kasan/common.c:398 mm/kasan/common.c:415)
[  671.008450][T11095]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[  671.008452][T11095]  ? snd_ac97_proc_read_main (sound/pci/ac97/ac97_proc.c:320)
[  671.008456][T11095]  ? ___sys_sendmsg (net/socket.c:2758)
[  671.008460][T11095]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2))
[  671.008462][T11095]  ? rtnl_newlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:366 net/core/rtnetlink.c:4214)
[  671.008465][T11095]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  671.008466][T11095]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  671.008468][T11095]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  671.008469][T11095]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  671.008471][T11095]  ? trace_contention_end (./include/trace/events/lock.h:121 (discriminator 22))
[  671.008474][T11095]  ? __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)
[  671.008475][T11095]  ? __mutex_lock (kernel/locking/mutex.c:656 (discriminator 1) kernel/locking/mutex.c:821 (discriminator 1))
[  671.008477][T11095]  ? rtnl_newlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:366 net/core/rtnetlink.c:4214)
[  671.008481][T11095]  ? ww_mutex_lock (kernel/locking/mutex.c:934)
[  671.008482][T11095]  ? nla_get_range_signed (lib/nlattr.c:270)
[  671.008487][T11095]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  671.008489][T11095]  ? __rtnl_newlink (net/core/rtnetlink.c:4063)
[  671.008495][T11095]  rtnl_newlink (net/core/rtnetlink.c:4215)
[  671.008500][T11095]  ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558)
[  671.008502][T11095]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[  671.008507][T11095]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2))
[  671.008509][T11095]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[  671.008511][T11095]  ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558)
[  671.008513][T11095]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554)
[  671.008517][T11095]  ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558)
[  671.008519][T11095]  rtnetlink_rcv_msg (net/core/rtnetlink.c:7132)
[  671.008522][T11095]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[  671.008523][T11095]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[  671.008528][T11095]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2))
[  671.008530][T11095]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[  671.008534][T11095]  netlink_rcv_skb (net/netlink/af_netlink.c:2556)
[  671.008537][T11095]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[  671.008540][T11095]  ? netlink_ack (./include/linux/skbuff.h:2718)
[  671.008547][T11095]  ? 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))
[  671.008549][T11095]  ? 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))
[  671.008554][T11095]  netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[  671.008558][T11095]  ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[  671.008561][T11095]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[  671.008568][T11095]  netlink_sendmsg (net/netlink/af_netlink.c:1900)
[  671.008572][T11095]  ? netlink_unicast (./include/net/net_namespace.h:422 (discriminator 7))
[  671.008576][T11095]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554)
[  671.008578][T11095]  ? __import_iovec (lib/iov_iter.c:1358 lib/iov_iter.c:1373)
[  671.008583][T11095]  __sock_sendmsg (net/socket.c:800 (discriminator 4) net/socket.c:815 (discriminator 4))
[  671.008586][T11095]  ____sys_sendmsg (net/socket.c:2713)
[  671.008589][T11095]  ? copy_msghdr_from_user (net/socket.c:2650)
[  671.008591][T11095]  ? sock_write_iter (net/socket.c:1269)
[  671.008593][T11095]  ? move_addr_to_kernel (net/socket.c:258)
[  671.008600][T11095]  ___sys_sendmsg (net/socket.c:2767)
[  671.008603][T11095]  ? copy_msghdr_from_user (net/socket.c:2619)
[  671.008620][T11095]  __sys_sendmsg (net/socket.c:2799)
[  671.008623][T11095]  ? __sys_sendmsg_sock (net/socket.c:2780)
[  671.008629][T11095]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  671.008632][T11095]  do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84)
[  671.008636][T11095]  ? exc_page_fault (arch/x86/mm/fault.c:1489 (discriminator 3) arch/x86/mm/fault.c:1536 (discriminator 3))
[  671.008639][T11095]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[  671.008641][T11095] RIP: 0033:0x7fa98365c54e
[  671.008645][T11095] 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
[  671.008647][T11095] RSP: 002b:00007fff13777630 EFLAGS: 00000202 ORIG_RAX: 000000000000002e
[  671.008650][T11095] RAX: ffffffffffffffda RBX: 0000000000000005 RCX: 00007fa98365c54e
[  671.008652][T11095] RDX: 0000000000000000 RSI: 00007fff137776e0 RDI: 0000000000000005
[  671.008653][T11095] RBP: 00007fff13777640 R08: 0000000000000000 R09: 0000000000000000
[  671.008654][T11095] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a91534d
[  671.008654][T11095] R13: 00000000004a1620 R14: 0000000000000000 R15: 00007fff13777db0
| [  679.922853][T11238] softirqs last disabled at (24570): netif_change_name (./include/linux/spinlock.h:353 ./include/linux/seqlock.h:908 net/core/dev.c:1499)
| [  679.922856][T11238] Preemption disabled at:
| [  679.922857][T11238] vprintk_emit (kernel/printk/printk.c:2471)
| [  679.922866][T11238] Tainted: [W]=WARN
[  679.922867][T11238] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[  679.922869][T11238] Call Trace:
[  679.922871][T11238]  <TASK>
[  679.922872][T11238]  dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120)
[  679.922878][T11238]  ? vprintk_emit (kernel/printk/printk.c:2471)
[  679.922880][T11238]  __might_resched.cold (kernel/sched/core.c:9234)
[  679.922884][T11238]  ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3))
[  679.922889][T11238]  ? __kmalloc_noprof (./include/linux/sched/mm.h:317 mm/slub.c:4636 mm/slub.c:4974 mm/slub.c:5413 mm/slub.c:5439)
[  679.922893][T11238]  __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))
[  679.922895][T11238]  ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[  679.922902][T11238]  ? 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)
[  679.922905][T11238]  alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[  679.922909][T11238]  put_chars (drivers/char/virtio_console.c:1176)
[  679.922911][T11238]  ? __send_to_port (drivers/char/virtio_console.c:654)
[  679.922918][T11238]  hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2))
[  679.922926][T11238]  ? hvc_write (drivers/tty/hvc/hvc_console.c:501)
[  679.922929][T11238]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  679.922934][T11238]  console_emit_next_record (kernel/printk/printk.c:3183)
[  679.922939][T11238]  ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20)
[  679.922941][T11238]  ? 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))
[  679.922944][T11238]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  679.922947][T11238]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  679.922951][T11238]  console_flush_one_record (kernel/printk/printk.c:3268)
[  679.922956][T11238]  ? console_emit_next_record (kernel/printk/printk.c:3150)
[  679.922958][T11238]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[  679.922963][T11238]  console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420)
[  679.922966][T11238]  ? console_flush_one_record (kernel/printk/printk.c:3316)
[  679.922968][T11238]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  679.922970][T11238]  ? 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)
[  679.922974][T11238]  ? __down_trylock_console_sem (kernel/printk/printk.c:334)
[  679.922976][T11238]  ? vprintk_emit (kernel/printk/printk.c:2478)
[  679.922979][T11238]  vprintk_emit (kernel/printk/printk.c:2479)
[  679.922982][T11238]  ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126))
[  679.922985][T11238]  ? _mutex_trylock_nest_lock (kernel/locking/mutex.c:1227 (discriminator 6))
[  679.922991][T11238]  _printk (kernel/printk/printk.c:2504)
[  679.922995][T11238]  ? snapshot_read.cold (user.c:?)
[  679.922996][T11238]  ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4116 (discriminator 3) kernel/rcu/tree.c:4108 (discriminator 3))
[  679.922999][T11238]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380)
[  679.923002][T11238]  ? validate_chain (kernel/locking/lockdep.c:3817 (discriminator 2) kernel/locking/lockdep.c:3837 (discriminator 2) kernel/locking/lockdep.c:3892 (discriminator 2))
[  679.923004][T11238]  ? netdev_name (./include/linux/netdevice.h:5709 (discriminator 1))
[  679.923008][T11238]  ? __netdev_printk (net/core/dev.c:13148 (discriminator 2))
[  679.923011][T11238]  ? do_setlink.isra.0 (net/core/rtnetlink.c:3246)
[  679.923014][T11238]  netdev_info (net/core/dev.c:13195 (discriminator 3))
[  679.923017][T11238]  ? netdev_notice (net/core/dev.c:13194)
[  679.923020][T11238]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[  679.923023][T11238]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554)
[  679.923026][T11238]  ? mark_held_locks (kernel/locking/lockdep.c:4341)
[  679.923029][T11238]  ? do_setlink.isra.0 (net/core/rtnetlink.c:3246)
[  679.923032][T11238]  netif_change_name.cold (net/core/dev.c:1507 (discriminator 3))
[  679.923034][T11238]  ? register_netdev (net/core/dev.c:11618)
[  679.923035][T11238]  ? 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))
[  679.923041][T11238]  ? netdev_adjacent_rename_links (net/core/dev.c:9598)
[  679.923044][T11238]  ? __kernel_text_address (kernel/extable.c:79)
[  679.923046][T11238]  ? write_profile (profile.c:?)
[  679.923051][T11238]  ? __asan_memset (mm/kasan/shadow.c:84 (discriminator 1))
[  679.923057][T11238]  do_setlink.isra.0 (net/core/rtnetlink.c:3246)
[  679.923061][T11238]  ? stack_trace_save (kernel/stacktrace.c:122 (discriminator 1))
[  679.923063][T11238]  ? rtnl_link_get_size (net/core/rtnetlink.c:747)
[  679.923065][T11238]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:388 kernel/rcu/update.c:380)
[  679.923067][T11238]  ? stack_depot_save_flags (lib/stackdepot.c:609 (discriminator 2) lib/stackdepot.c:676 (discriminator 2))
[  679.923070][T11238]  ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4116 (discriminator 3) kernel/rcu/tree.c:4108 (discriminator 3))
[  679.923072][T11238]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380)
[  679.923074][T11238]  ? validate_chain (kernel/locking/lockdep.c:3817 (discriminator 2) kernel/locking/lockdep.c:3837 (discriminator 2) kernel/locking/lockdep.c:3892 (discriminator 2))
[  679.923077][T11238]  ? kasan_save_stack (mm/kasan/common.c:58)
[  679.923079][T11238]  ? kasan_save_stack (mm/kasan/common.c:57)
[  679.923080][T11238]  ? kasan_save_track (mm/kasan/common.c:78)
[  679.923082][T11238]  ? __kasan_kmalloc (mm/kasan/common.c:398 mm/kasan/common.c:415)
[  679.923084][T11238]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[  679.923086][T11238]  ? snd_ac97_proc_read_main (sound/pci/ac97/ac97_proc.c:320)
[  679.923089][T11238]  ? ___sys_sendmsg (net/socket.c:2758)
[  679.923094][T11238]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2))
[  679.923096][T11238]  ? rtnl_newlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:366 net/core/rtnetlink.c:4214)
[  679.923098][T11238]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  679.923100][T11238]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  679.923102][T11238]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  679.923103][T11238]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  679.923105][T11238]  ? trace_contention_end (./include/trace/events/lock.h:121 (discriminator 22))
[  679.923107][T11238]  ? __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)
[  679.923109][T11238]  ? __mutex_lock (kernel/locking/mutex.c:656 (discriminator 1) kernel/locking/mutex.c:821 (discriminator 1))
[  679.923111][T11238]  ? rtnl_newlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:366 net/core/rtnetlink.c:4214)
[  679.923114][T11238]  ? ww_mutex_lock (kernel/locking/mutex.c:934)
[  679.923116][T11238]  ? nla_get_range_signed (lib/nlattr.c:270)
[  679.923121][T11238]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  679.923123][T11238]  ? __rtnl_newlink (net/core/rtnetlink.c:4063)
[  679.923129][T11238]  rtnl_newlink (net/core/rtnetlink.c:4215)
[  679.923134][T11238]  ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558)
[  679.923136][T11238]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[  679.923141][T11238]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2))
[  679.923143][T11238]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[  679.923145][T11238]  ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558)
[  679.923147][T11238]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554)
[  679.923151][T11238]  ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558)
[  679.923153][T11238]  rtnetlink_rcv_msg (net/core/rtnetlink.c:7132)
[  679.923157][T11238]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[  679.923158][T11238]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[  679.923163][T11238]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2))
[  679.923165][T11238]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[  679.923169][T11238]  netlink_rcv_skb (net/netlink/af_netlink.c:2556)
[  679.923172][T11238]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[  679.923175][T11238]  ? netlink_ack (./include/linux/skbuff.h:2718)
[  679.923182][T11238]  ? 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))
[  679.923184][T11238]  ? 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))
[  679.923189][T11238]  netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[  679.923194][T11238]  ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[  679.923196][T11238]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[  679.923201][T11238]  netlink_sendmsg (net/netlink/af_netlink.c:1900)
[  679.923205][T11238]  ? netlink_unicast (./include/net/net_namespace.h:422 (discriminator 7))
[  679.923209][T11238]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554)
[  679.923211][T11238]  ? __import_iovec (lib/iov_iter.c:1358 lib/iov_iter.c:1373)
[  679.923216][T11238]  __sock_sendmsg (net/socket.c:800 (discriminator 4) net/socket.c:815 (discriminator 4))
[  679.923219][T11238]  ____sys_sendmsg (net/socket.c:2713)
[  679.923222][T11238]  ? copy_msghdr_from_user (net/socket.c:2650)
[  679.923224][T11238]  ? sock_write_iter (net/socket.c:1269)
[  679.923226][T11238]  ? move_addr_to_kernel (net/socket.c:258)
[  679.923234][T11238]  ___sys_sendmsg (net/socket.c:2767)
[  679.923237][T11238]  ? copy_msghdr_from_user (net/socket.c:2619)
[  679.923253][T11238]  __sys_sendmsg (net/socket.c:2799)
[  679.923256][T11238]  ? __sys_sendmsg_sock (net/socket.c:2780)
[  679.923263][T11238]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  679.923266][T11238]  do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84)
[  679.923269][T11238]  ? exc_page_fault (arch/x86/mm/fault.c:1489 (discriminator 3) arch/x86/mm/fault.c:1536 (discriminator 3))
[  679.923272][T11238]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[  679.923275][T11238] RIP: 0033:0x7f11c678c54e
[  679.923279][T11238] 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
[  679.923281][T11238] RSP: 002b:00007ffcf13c14f0 EFLAGS: 00000202 ORIG_RAX: 000000000000002e
[  679.923284][T11238] RAX: ffffffffffffffda RBX: 0000000000000005 RCX: 00007f11c678c54e
[  679.923285][T11238] RDX: 0000000000000000 RSI: 00007ffcf13c15a0 RDI: 0000000000000005
[  679.923286][T11238] RBP: 00007ffcf13c1500 R08: 0000000000000000 R09: 0000000000000000
[  679.923287][T11238] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a915356
[  679.923288][T11238] R13: 00000000004a1620 R14: 0000000000000000 R15: 00007ffcf13c1c70
| [  688.996344][T11381] softirqs last disabled at (19152): netif_change_name (./include/linux/spinlock.h:353 ./include/linux/seqlock.h:908 net/core/dev.c:1499)
| [  688.996347][T11381] Preemption disabled at:
| [  688.996347][T11381] vprintk_emit (kernel/printk/printk.c:2471)
| [  688.996357][T11381] Tainted: [W]=WARN
[  688.996358][T11381] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[  688.996363][T11381] Call Trace:
[  688.996365][T11381]  <TASK>
[  688.996367][T11381]  dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120)
[  688.996373][T11381]  ? vprintk_emit (kernel/printk/printk.c:2471)
[  688.996374][T11381]  __might_resched.cold (kernel/sched/core.c:9234)
[  688.996379][T11381]  ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3))
[  688.996383][T11381]  ? __kmalloc_noprof (./include/linux/sched/mm.h:317 mm/slub.c:4636 mm/slub.c:4974 mm/slub.c:5413 mm/slub.c:5439)
[  688.996388][T11381]  __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))
[  688.996390][T11381]  ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[  688.996396][T11381]  ? 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)
[  688.996399][T11381]  alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[  688.996403][T11381]  put_chars (drivers/char/virtio_console.c:1176)
[  688.996406][T11381]  ? __send_to_port (drivers/char/virtio_console.c:654)
[  688.996412][T11381]  hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2))
[  688.996420][T11381]  ? hvc_write (drivers/tty/hvc/hvc_console.c:501)
[  688.996423][T11381]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  688.996428][T11381]  console_emit_next_record (kernel/printk/printk.c:3183)
[  688.996432][T11381]  ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20)
[  688.996434][T11381]  ? 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))
[  688.996438][T11381]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  688.996440][T11381]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  688.996444][T11381]  console_flush_one_record (kernel/printk/printk.c:3268)
[  688.996449][T11381]  ? console_emit_next_record (kernel/printk/printk.c:3150)
[  688.996451][T11381]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[  688.996456][T11381]  console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420)
[  688.996459][T11381]  ? console_flush_one_record (kernel/printk/printk.c:3316)
[  688.996461][T11381]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  688.996463][T11381]  ? 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)
[  688.996467][T11381]  ? __down_trylock_console_sem (kernel/printk/printk.c:334)
[  688.996469][T11381]  ? vprintk_emit (kernel/printk/printk.c:2478)
[  688.996472][T11381]  vprintk_emit (kernel/printk/printk.c:2479)
[  688.996475][T11381]  ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126))
[  688.996478][T11381]  ? _mutex_trylock_nest_lock (kernel/locking/mutex.c:1227 (discriminator 6))
[  688.996483][T11381]  _printk (kernel/printk/printk.c:2504)
[  688.996487][T11381]  ? snapshot_read.cold (user.c:?)
[  688.996488][T11381]  ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4116 (discriminator 3) kernel/rcu/tree.c:4108 (discriminator 3))
[  688.996491][T11381]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380)
[  688.996494][T11381]  ? validate_chain (kernel/locking/lockdep.c:3817 (discriminator 2) kernel/locking/lockdep.c:3837 (discriminator 2) kernel/locking/lockdep.c:3892 (discriminator 2))
[  688.996496][T11381]  ? netdev_name (./include/linux/netdevice.h:5709 (discriminator 1))
[  688.996500][T11381]  ? __netdev_printk (net/core/dev.c:13148 (discriminator 2))
[  688.996503][T11381]  ? do_setlink.isra.0 (net/core/rtnetlink.c:3246)
[  688.996505][T11381]  netdev_info (net/core/dev.c:13195 (discriminator 3))
[  688.996508][T11381]  ? netdev_notice (net/core/dev.c:13194)
[  688.996511][T11381]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[  688.996514][T11381]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554)
[  688.996517][T11381]  ? mark_held_locks (kernel/locking/lockdep.c:4341)
[  688.996521][T11381]  ? do_setlink.isra.0 (net/core/rtnetlink.c:3246)
[  688.996523][T11381]  netif_change_name.cold (net/core/dev.c:1507 (discriminator 3))
[  688.996525][T11381]  ? register_netdev (net/core/dev.c:11618)
[  688.996526][T11381]  ? 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))
[  688.996532][T11381]  ? netdev_adjacent_rename_links (net/core/dev.c:9598)
[  688.996534][T11381]  ? __kernel_text_address (kernel/extable.c:79)
[  688.996537][T11381]  ? write_profile (profile.c:?)
[  688.996541][T11381]  ? __asan_memset (mm/kasan/shadow.c:84 (discriminator 1))
[  688.996547][T11381]  do_setlink.isra.0 (net/core/rtnetlink.c:3246)
[  688.996551][T11381]  ? stack_trace_save (kernel/stacktrace.c:122 (discriminator 1))
[  688.996553][T11381]  ? rtnl_link_get_size (net/core/rtnetlink.c:747)
[  688.996554][T11381]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:388 kernel/rcu/update.c:380)
[  688.996557][T11381]  ? stack_depot_save_flags (lib/stackdepot.c:609 (discriminator 2) lib/stackdepot.c:676 (discriminator 2))
[  688.996560][T11381]  ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4116 (discriminator 3) kernel/rcu/tree.c:4108 (discriminator 3))
[  688.996565][T11381]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380)
[  688.996567][T11381]  ? validate_chain (kernel/locking/lockdep.c:3817 (discriminator 2) kernel/locking/lockdep.c:3837 (discriminator 2) kernel/locking/lockdep.c:3892 (discriminator 2))
[  688.996570][T11381]  ? kasan_save_stack (mm/kasan/common.c:58)
[  688.996572][T11381]  ? kasan_save_stack (mm/kasan/common.c:57)
[  688.996573][T11381]  ? kasan_save_track (mm/kasan/common.c:78)
[  688.996575][T11381]  ? __kasan_kmalloc (mm/kasan/common.c:398 mm/kasan/common.c:415)
[  688.996577][T11381]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[  688.996579][T11381]  ? snd_ac97_proc_read_main (sound/pci/ac97/ac97_proc.c:320)
[  688.996582][T11381]  ? ___sys_sendmsg (net/socket.c:2758)
[  688.996586][T11381]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2))
[  688.996588][T11381]  ? rtnl_newlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:366 net/core/rtnetlink.c:4214)
[  688.996591][T11381]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  688.996593][T11381]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  688.996595][T11381]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  688.996596][T11381]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  688.996598][T11381]  ? trace_contention_end (./include/trace/events/lock.h:121 (discriminator 22))
[  688.996600][T11381]  ? __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)
[  688.996601][T11381]  ? __mutex_lock (kernel/locking/mutex.c:656 (discriminator 1) kernel/locking/mutex.c:821 (discriminator 1))
[  688.996604][T11381]  ? rtnl_newlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:366 net/core/rtnetlink.c:4214)
[  688.996607][T11381]  ? ww_mutex_lock (kernel/locking/mutex.c:934)
[  688.996608][T11381]  ? nla_get_range_signed (lib/nlattr.c:270)
[  688.996614][T11381]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  688.996616][T11381]  ? __rtnl_newlink (net/core/rtnetlink.c:4063)
[  688.996621][T11381]  rtnl_newlink (net/core/rtnetlink.c:4215)
[  688.996627][T11381]  ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558)
[  688.996629][T11381]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[  688.996634][T11381]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2))
[  688.996636][T11381]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[  688.996638][T11381]  ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558)
[  688.996640][T11381]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554)
[  688.996644][T11381]  ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558)
[  688.996646][T11381]  rtnetlink_rcv_msg (net/core/rtnetlink.c:7132)
[  688.996649][T11381]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[  688.996650][T11381]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[  688.996655][T11381]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2))
[  688.996657][T11381]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[  688.996661][T11381]  netlink_rcv_skb (net/netlink/af_netlink.c:2556)
[  688.996664][T11381]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[  688.996668][T11381]  ? netlink_ack (./include/linux/skbuff.h:2718)
[  688.996674][T11381]  ? 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))
[  688.996676][T11381]  ? 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))
[  688.996681][T11381]  netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[  688.996685][T11381]  ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[  688.996688][T11381]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[  688.996693][T11381]  netlink_sendmsg (net/netlink/af_netlink.c:1900)
[  688.996697][T11381]  ? netlink_unicast (./include/net/net_namespace.h:422 (discriminator 7))
[  688.996701][T11381]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554)
[  688.996702][T11381]  ? __import_iovec (lib/iov_iter.c:1358 lib/iov_iter.c:1373)
[  688.996708][T11381]  __sock_sendmsg (net/socket.c:800 (discriminator 4) net/socket.c:815 (discriminator 4))
[  688.996711][T11381]  ____sys_sendmsg (net/socket.c:2713)
[  688.996713][T11381]  ? copy_msghdr_from_user (net/socket.c:2650)
[  688.996716][T11381]  ? sock_write_iter (net/socket.c:1269)
[  688.996717][T11381]  ? move_addr_to_kernel (net/socket.c:258)
[  688.996725][T11381]  ___sys_sendmsg (net/socket.c:2767)
[  688.996728][T11381]  ? copy_msghdr_from_user (net/socket.c:2619)
[  688.996744][T11381]  __sys_sendmsg (net/socket.c:2799)
[  688.996747][T11381]  ? __sys_sendmsg_sock (net/socket.c:2780)
[  688.996754][T11381]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  688.996757][T11381]  do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84)
[  688.996760][T11381]  ? exc_page_fault (arch/x86/mm/fault.c:1489 (discriminator 3) arch/x86/mm/fault.c:1536 (discriminator 3))
[  688.996763][T11381]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[  688.996765][T11381] RIP: 0033:0x7fded178954e
[  688.996769][T11381] 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
[  688.996771][T11381] RSP: 002b:00007fffc42bff00 EFLAGS: 00000202 ORIG_RAX: 000000000000002e
[  688.996774][T11381] RAX: ffffffffffffffda RBX: 0000000000000005 RCX: 00007fded178954e
[  688.996776][T11381] RDX: 0000000000000000 RSI: 00007fffc42bffb0 RDI: 0000000000000005
[  688.996777][T11381] RBP: 00007fffc42bff10 R08: 0000000000000000 R09: 0000000000000000
[  688.996778][T11381] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a91535f
[  688.996779][T11381] R13: 00000000004a1620 R14: 0000000000000000 R15: 00007fffc42c0680
| [  698.094754][T11525] softirqs last disabled at (23954): netif_change_name (./include/linux/spinlock.h:353 ./include/linux/seqlock.h:908 net/core/dev.c:1499)
| [  698.094757][T11525] Preemption disabled at:
| [  698.094758][T11525] vprintk_emit (kernel/printk/printk.c:2471)
| [  698.094767][T11525] Tainted: [W]=WARN
[  698.094768][T11525] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[  698.094770][T11525] Call Trace:
[  698.094771][T11525]  <TASK>
[  698.094773][T11525]  dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120)
[  698.094779][T11525]  ? vprintk_emit (kernel/printk/printk.c:2471)
[  698.094781][T11525]  __might_resched.cold (kernel/sched/core.c:9234)
[  698.094785][T11525]  ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3))
[  698.094789][T11525]  ? __kmalloc_noprof (./include/linux/sched/mm.h:317 mm/slub.c:4636 mm/slub.c:4974 mm/slub.c:5413 mm/slub.c:5439)
[  698.094794][T11525]  __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))
[  698.094796][T11525]  ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[  698.094803][T11525]  ? 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)
[  698.094806][T11525]  alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[  698.094810][T11525]  put_chars (drivers/char/virtio_console.c:1176)
[  698.094813][T11525]  ? __send_to_port (drivers/char/virtio_console.c:654)
[  698.094819][T11525]  hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2))
[  698.094827][T11525]  ? hvc_write (drivers/tty/hvc/hvc_console.c:501)
[  698.094831][T11525]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  698.094836][T11525]  console_emit_next_record (kernel/printk/printk.c:3183)
[  698.094840][T11525]  ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20)
[  698.094842][T11525]  ? 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))
[  698.094845][T11525]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  698.094848][T11525]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  698.094852][T11525]  console_flush_one_record (kernel/printk/printk.c:3268)
[  698.094857][T11525]  ? console_emit_next_record (kernel/printk/printk.c:3150)
[  698.094859][T11525]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[  698.094864][T11525]  console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420)
[  698.094868][T11525]  ? console_flush_one_record (kernel/printk/printk.c:3316)
[  698.094870][T11525]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  698.094871][T11525]  ? 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)
[  698.094875][T11525]  ? __down_trylock_console_sem (kernel/printk/printk.c:334)
[  698.094877][T11525]  ? vprintk_emit (kernel/printk/printk.c:2478)
[  698.094880][T11525]  vprintk_emit (kernel/printk/printk.c:2479)
[  698.094884][T11525]  ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126))
[  698.094886][T11525]  ? _mutex_trylock_nest_lock (kernel/locking/mutex.c:1227 (discriminator 6))
[  698.094892][T11525]  _printk (kernel/printk/printk.c:2504)
[  698.094896][T11525]  ? snapshot_read.cold (user.c:?)
[  698.094897][T11525]  ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4116 (discriminator 3) kernel/rcu/tree.c:4108 (discriminator 3))
[  698.094901][T11525]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380)
[  698.094903][T11525]  ? validate_chain (kernel/locking/lockdep.c:3817 (discriminator 2) kernel/locking/lockdep.c:3837 (discriminator 2) kernel/locking/lockdep.c:3892 (discriminator 2))
[  698.094906][T11525]  ? netdev_name (./include/linux/netdevice.h:5709 (discriminator 1))
[  698.094910][T11525]  ? __netdev_printk (net/core/dev.c:13148 (discriminator 2))
[  698.094913][T11525]  ? do_setlink.isra.0 (net/core/rtnetlink.c:3246)
[  698.094915][T11525]  netdev_info (net/core/dev.c:13195 (discriminator 3))
[  698.094918][T11525]  ? netdev_notice (net/core/dev.c:13194)
[  698.094921][T11525]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[  698.094924][T11525]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554)
[  698.094927][T11525]  ? mark_held_locks (kernel/locking/lockdep.c:4341)
[  698.094931][T11525]  ? do_setlink.isra.0 (net/core/rtnetlink.c:3246)
[  698.094933][T11525]  netif_change_name.cold (net/core/dev.c:1507 (discriminator 3))
[  698.094935][T11525]  ? register_netdev (net/core/dev.c:11618)
[  698.094936][T11525]  ? 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))
[  698.094942][T11525]  ? netdev_adjacent_rename_links (net/core/dev.c:9598)
[  698.094945][T11525]  ? __kernel_text_address (kernel/extable.c:79)
[  698.094948][T11525]  ? write_profile (profile.c:?)
[  698.094952][T11525]  ? __asan_memset (mm/kasan/shadow.c:84 (discriminator 1))
[  698.094958][T11525]  do_setlink.isra.0 (net/core/rtnetlink.c:3246)
[  698.094961][T11525]  ? stack_trace_save (kernel/stacktrace.c:122 (discriminator 1))
[  698.094964][T11525]  ? rtnl_link_get_size (net/core/rtnetlink.c:747)
[  698.094965][T11525]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:388 kernel/rcu/update.c:380)
[  698.094967][T11525]  ? stack_depot_save_flags (lib/stackdepot.c:609 (discriminator 2) lib/stackdepot.c:676 (discriminator 2))
[  698.094971][T11525]  ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4116 (discriminator 3) kernel/rcu/tree.c:4108 (discriminator 3))
[  698.094973][T11525]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380)
[  698.094975][T11525]  ? validate_chain (kernel/locking/lockdep.c:3817 (discriminator 2) kernel/locking/lockdep.c:3837 (discriminator 2) kernel/locking/lockdep.c:3892 (discriminator 2))
[  698.094977][T11525]  ? kasan_save_stack (mm/kasan/common.c:58)
[  698.094979][T11525]  ? kasan_save_stack (mm/kasan/common.c:57)
[  698.094981][T11525]  ? kasan_save_track (mm/kasan/common.c:78)
[  698.094982][T11525]  ? __kasan_kmalloc (mm/kasan/common.c:398 mm/kasan/common.c:415)
[  698.094984][T11525]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[  698.094986][T11525]  ? snd_ac97_proc_read_main (sound/pci/ac97/ac97_proc.c:320)
[  698.094990][T11525]  ? ___sys_sendmsg (net/socket.c:2758)
[  698.094994][T11525]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2))
[  698.094996][T11525]  ? rtnl_newlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:366 net/core/rtnetlink.c:4214)
[  698.094999][T11525]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  698.095001][T11525]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  698.095003][T11525]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  698.095004][T11525]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  698.095006][T11525]  ? trace_contention_end (./include/trace/events/lock.h:121 (discriminator 22))
[  698.095008][T11525]  ? __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)
[  698.095009][T11525]  ? __mutex_lock (kernel/locking/mutex.c:656 (discriminator 1) kernel/locking/mutex.c:821 (discriminator 1))
[  698.095012][T11525]  ? rtnl_newlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:366 net/core/rtnetlink.c:4214)
[  698.095015][T11525]  ? ww_mutex_lock (kernel/locking/mutex.c:934)
[  698.095016][T11525]  ? nla_get_range_signed (lib/nlattr.c:270)
[  698.095021][T11525]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  698.095024][T11525]  ? __rtnl_newlink (net/core/rtnetlink.c:4063)
[  698.095029][T11525]  rtnl_newlink (net/core/rtnetlink.c:4215)
[  698.095035][T11525]  ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558)
[  698.095037][T11525]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[  698.095041][T11525]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2))
[  698.095043][T11525]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[  698.095045][T11525]  ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558)
[  698.095047][T11525]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554)
[  698.095051][T11525]  ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558)
[  698.095054][T11525]  rtnetlink_rcv_msg (net/core/rtnetlink.c:7132)
[  698.095057][T11525]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[  698.095058][T11525]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[  698.095063][T11525]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2))
[  698.095065][T11525]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[  698.095069][T11525]  netlink_rcv_skb (net/netlink/af_netlink.c:2556)
[  698.095072][T11525]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[  698.095075][T11525]  ? netlink_ack (./include/linux/skbuff.h:2718)
[  698.095082][T11525]  ? 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))
[  698.095084][T11525]  ? 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))
[  698.095089][T11525]  netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[  698.095093][T11525]  ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[  698.095096][T11525]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[  698.095100][T11525]  netlink_sendmsg (net/netlink/af_netlink.c:1900)
[  698.095104][T11525]  ? netlink_unicast (./include/net/net_namespace.h:422 (discriminator 7))
[  698.095108][T11525]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554)
[  698.095110][T11525]  ? __import_iovec (lib/iov_iter.c:1358 lib/iov_iter.c:1373)
[  698.095115][T11525]  __sock_sendmsg (net/socket.c:800 (discriminator 4) net/socket.c:815 (discriminator 4))
[  698.095118][T11525]  ____sys_sendmsg (net/socket.c:2713)
[  698.095121][T11525]  ? copy_msghdr_from_user (net/socket.c:2650)
[  698.095123][T11525]  ? sock_write_iter (net/socket.c:1269)
[  698.095125][T11525]  ? move_addr_to_kernel (net/socket.c:258)
[  698.095133][T11525]  ___sys_sendmsg (net/socket.c:2767)
[  698.095136][T11525]  ? copy_msghdr_from_user (net/socket.c:2619)
[  698.095153][T11525]  __sys_sendmsg (net/socket.c:2799)
[  698.095156][T11525]  ? __sys_sendmsg_sock (net/socket.c:2780)
[  698.095162][T11525]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  698.095165][T11525]  do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84)
[  698.095168][T11525]  ? exc_page_fault (arch/x86/mm/fault.c:1489 (discriminator 3) arch/x86/mm/fault.c:1536 (discriminator 3))
[  698.095171][T11525]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[  698.095174][T11525] RIP: 0033:0x7f2ad7e8054e
[  698.095178][T11525] 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
[  698.095180][T11525] RSP: 002b:00007ffd74cfe540 EFLAGS: 00000202 ORIG_RAX: 000000000000002e
[  698.095183][T11525] RAX: ffffffffffffffda RBX: 0000000000000005 RCX: 00007f2ad7e8054e
[  698.095185][T11525] RDX: 0000000000000000 RSI: 00007ffd74cfe5f0 RDI: 0000000000000005
[  698.095186][T11525] RBP: 00007ffd74cfe550 R08: 0000000000000000 R09: 0000000000000000
[  698.095187][T11525] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a915368
[  698.095188][T11525] R13: 00000000004a1620 R14: 0000000000000000 R15: 00007ffd74cfecc0
| [  707.224359][T11668] softirqs last disabled at (27482): netif_change_name (./include/linux/spinlock.h:353 ./include/linux/seqlock.h:908 net/core/dev.c:1499)
| [  707.224362][T11668] Preemption disabled at:
| [  707.224363][T11668] vprintk_emit (kernel/printk/printk.c:2471)
| [  707.224372][T11668] Tainted: [W]=WARN
[  707.224373][T11668] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[  707.224375][T11668] Call Trace:
[  707.224377][T11668]  <TASK>
[  707.224378][T11668]  dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120)
[  707.224384][T11668]  ? vprintk_emit (kernel/printk/printk.c:2471)
[  707.224386][T11668]  __might_resched.cold (kernel/sched/core.c:9234)
[  707.224390][T11668]  ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3))
[  707.224395][T11668]  ? __kmalloc_noprof (./include/linux/sched/mm.h:317 mm/slub.c:4636 mm/slub.c:4974 mm/slub.c:5413 mm/slub.c:5439)
[  707.224399][T11668]  __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))
[  707.224401][T11668]  ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[  707.224408][T11668]  ? 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)
[  707.224411][T11668]  alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[  707.224415][T11668]  put_chars (drivers/char/virtio_console.c:1176)
[  707.224418][T11668]  ? __send_to_port (drivers/char/virtio_console.c:654)
[  707.224424][T11668]  hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2))
[  707.224432][T11668]  ? hvc_write (drivers/tty/hvc/hvc_console.c:501)
[  707.224436][T11668]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  707.224440][T11668]  console_emit_next_record (kernel/printk/printk.c:3183)
[  707.224444][T11668]  ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20)
[  707.224446][T11668]  ? 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))
[  707.224450][T11668]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  707.224452][T11668]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  707.224457][T11668]  console_flush_one_record (kernel/printk/printk.c:3268)
[  707.224461][T11668]  ? console_emit_next_record (kernel/printk/printk.c:3150)
[  707.224463][T11668]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[  707.224469][T11668]  console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420)
[  707.224472][T11668]  ? console_flush_one_record (kernel/printk/printk.c:3316)
[  707.224474][T11668]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  707.224476][T11668]  ? 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)
[  707.224480][T11668]  ? __down_trylock_console_sem (kernel/printk/printk.c:334)
[  707.224482][T11668]  ? vprintk_emit (kernel/printk/printk.c:2478)
[  707.224484][T11668]  vprintk_emit (kernel/printk/printk.c:2479)
[  707.224488][T11668]  ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126))
[  707.224490][T11668]  ? _mutex_trylock_nest_lock (kernel/locking/mutex.c:1227 (discriminator 6))
[  707.224496][T11668]  _printk (kernel/printk/printk.c:2504)
[  707.224505][T11668]  ? snapshot_read.cold (user.c:?)
[  707.224507][T11668]  ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4116 (discriminator 3) kernel/rcu/tree.c:4108 (discriminator 3))
[  707.224510][T11668]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380)
[  707.224512][T11668]  ? validate_chain (kernel/locking/lockdep.c:3817 (discriminator 2) kernel/locking/lockdep.c:3837 (discriminator 2) kernel/locking/lockdep.c:3892 (discriminator 2))
[  707.224515][T11668]  ? netdev_name (./include/linux/netdevice.h:5709 (discriminator 1))
[  707.224519][T11668]  ? __netdev_printk (net/core/dev.c:13148 (discriminator 2))
[  707.224522][T11668]  ? do_setlink.isra.0 (net/core/rtnetlink.c:3246)
[  707.224524][T11668]  netdev_info (net/core/dev.c:13195 (discriminator 3))
[  707.224527][T11668]  ? netdev_notice (net/core/dev.c:13194)
[  707.224530][T11668]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[  707.224533][T11668]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554)
[  707.224536][T11668]  ? mark_held_locks (kernel/locking/lockdep.c:4341)
[  707.224539][T11668]  ? do_setlink.isra.0 (net/core/rtnetlink.c:3246)
[  707.224542][T11668]  netif_change_name.cold (net/core/dev.c:1507 (discriminator 3))
[  707.224544][T11668]  ? register_netdev (net/core/dev.c:11618)
[  707.224545][T11668]  ? 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))
[  707.224551][T11668]  ? netdev_adjacent_rename_links (net/core/dev.c:9598)
[  707.224554][T11668]  ? __kernel_text_address (kernel/extable.c:79)
[  707.224556][T11668]  ? write_profile (profile.c:?)
[  707.224561][T11668]  ? __asan_memset (mm/kasan/shadow.c:84 (discriminator 1))
[  707.224569][T11668]  do_setlink.isra.0 (net/core/rtnetlink.c:3246)
[  707.224574][T11668]  ? stack_trace_save (kernel/stacktrace.c:122 (discriminator 1))
[  707.224576][T11668]  ? rtnl_link_get_size (net/core/rtnetlink.c:747)
[  707.224577][T11668]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:388 kernel/rcu/update.c:380)
[  707.224579][T11668]  ? stack_depot_save_flags (lib/stackdepot.c:609 (discriminator 2) lib/stackdepot.c:676 (discriminator 2))
[  707.224583][T11668]  ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4116 (discriminator 3) kernel/rcu/tree.c:4108 (discriminator 3))
[  707.224585][T11668]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380)
[  707.224587][T11668]  ? validate_chain (kernel/locking/lockdep.c:3817 (discriminator 2) kernel/locking/lockdep.c:3837 (discriminator 2) kernel/locking/lockdep.c:3892 (discriminator 2))
[  707.224590][T11668]  ? kasan_save_stack (mm/kasan/common.c:58)
[  707.224592][T11668]  ? kasan_save_stack (mm/kasan/common.c:57)
[  707.224593][T11668]  ? kasan_save_track (mm/kasan/common.c:78)
[  707.224594][T11668]  ? __kasan_kmalloc (mm/kasan/common.c:398 mm/kasan/common.c:415)
[  707.224597][T11668]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[  707.224599][T11668]  ? snd_ac97_proc_read_main (sound/pci/ac97/ac97_proc.c:320)
[  707.224602][T11668]  ? ___sys_sendmsg (net/socket.c:2758)
[  707.224606][T11668]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2))
[  707.224609][T11668]  ? rtnl_newlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:366 net/core/rtnetlink.c:4214)
[  707.224611][T11668]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  707.224613][T11668]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  707.224615][T11668]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  707.224616][T11668]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  707.224618][T11668]  ? trace_contention_end (./include/trace/events/lock.h:121 (discriminator 22))
[  707.224620][T11668]  ? __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)
[  707.224622][T11668]  ? __mutex_lock (kernel/locking/mutex.c:656 (discriminator 1) kernel/locking/mutex.c:821 (discriminator 1))
[  707.224624][T11668]  ? rtnl_newlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:366 net/core/rtnetlink.c:4214)
[  707.224627][T11668]  ? ww_mutex_lock (kernel/locking/mutex.c:934)
[  707.224628][T11668]  ? nla_get_range_signed (lib/nlattr.c:270)
[  707.224633][T11668]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  707.224636][T11668]  ? __rtnl_newlink (net/core/rtnetlink.c:4063)
[  707.224641][T11668]  rtnl_newlink (net/core/rtnetlink.c:4215)
[  707.224647][T11668]  ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558)
[  707.224649][T11668]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[  707.224653][T11668]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2))
[  707.224655][T11668]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[  707.224657][T11668]  ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558)
[  707.224659][T11668]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554)
[  707.224663][T11668]  ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558)
[  707.224665][T11668]  rtnetlink_rcv_msg (net/core/rtnetlink.c:7132)
[  707.224669][T11668]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[  707.224670][T11668]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[  707.224675][T11668]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2))
[  707.224677][T11668]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[  707.224681][T11668]  netlink_rcv_skb (net/netlink/af_netlink.c:2556)
[  707.224684][T11668]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[  707.224688][T11668]  ? netlink_ack (./include/linux/skbuff.h:2718)
[  707.224694][T11668]  ? 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))
[  707.224696][T11668]  ? 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))
[  707.224701][T11668]  netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[  707.224705][T11668]  ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[  707.224708][T11668]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[  707.224712][T11668]  netlink_sendmsg (net/netlink/af_netlink.c:1900)
[  707.224717][T11668]  ? netlink_unicast (./include/net/net_namespace.h:422 (discriminator 7))
[  707.224721][T11668]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554)
[  707.224722][T11668]  ? __import_iovec (lib/iov_iter.c:1358 lib/iov_iter.c:1373)
[  707.224728][T11668]  __sock_sendmsg (net/socket.c:800 (discriminator 4) net/socket.c:815 (discriminator 4))
[  707.224731][T11668]  ____sys_sendmsg (net/socket.c:2713)
[  707.224733][T11668]  ? copy_msghdr_from_user (net/socket.c:2650)
[  707.224735][T11668]  ? sock_write_iter (net/socket.c:1269)
[  707.224737][T11668]  ? move_addr_to_kernel (net/socket.c:258)
[  707.224745][T11668]  ___sys_sendmsg (net/socket.c:2767)
[  707.224748][T11668]  ? copy_msghdr_from_user (net/socket.c:2619)
[  707.224764][T11668]  __sys_sendmsg (net/socket.c:2799)
[  707.224767][T11668]  ? __sys_sendmsg_sock (net/socket.c:2780)
[  707.224774][T11668]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  707.224777][T11668]  do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84)
[  707.224780][T11668]  ? exc_page_fault (arch/x86/mm/fault.c:1489 (discriminator 3) arch/x86/mm/fault.c:1536 (discriminator 3))
[  707.224783][T11668]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[  707.224786][T11668] RIP: 0033:0x7f9f44ce854e
[  707.224789][T11668] 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
[  707.224792][T11668] RSP: 002b:00007fff11acb090 EFLAGS: 00000202 ORIG_RAX: 000000000000002e
[  707.224794][T11668] RAX: ffffffffffffffda RBX: 0000000000000005 RCX: 00007f9f44ce854e
[  707.224796][T11668] RDX: 0000000000000000 RSI: 00007fff11acb140 RDI: 0000000000000005
[  707.224797][T11668] RBP: 00007fff11acb0a0 R08: 0000000000000000 R09: 0000000000000000
[  707.224798][T11668] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a915371
[  707.224799][T11668] R13: 00000000004a1620 R14: 0000000000000000 R15: 00007fff11acb810
| [  717.052479][T11811] softirqs last disabled at (21974): netif_change_name (./include/linux/spinlock.h:353 ./include/linux/seqlock.h:908 net/core/dev.c:1499)
| [  717.052483][T11811] Preemption disabled at:
| [  717.052485][T11811] vprintk_emit (kernel/printk/printk.c:2471)
| [  717.052498][T11811] Tainted: [W]=WARN
[  717.052499][T11811] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[  717.052502][T11811] Call Trace:
[  717.052504][T11811]  <TASK>
[  717.052506][T11811]  dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120)
[  717.052514][T11811]  ? vprintk_emit (kernel/printk/printk.c:2471)
[  717.052517][T11811]  __might_resched.cold (kernel/sched/core.c:9234)
[  717.052524][T11811]  ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3))
[  717.052531][T11811]  ? __kmalloc_noprof (./include/linux/sched/mm.h:317 mm/slub.c:4636 mm/slub.c:4974 mm/slub.c:5413 mm/slub.c:5439)
[  717.052538][T11811]  __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))
[  717.052542][T11811]  ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[  717.052554][T11811]  ? 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)
[  717.052558][T11811]  alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[  717.052568][T11811]  put_chars (drivers/char/virtio_console.c:1176)
[  717.052573][T11811]  ? __send_to_port (drivers/char/virtio_console.c:654)
[  717.052594][T11811]  hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2))
[  717.052608][T11811]  ? hvc_write (drivers/tty/hvc/hvc_console.c:501)
[  717.052614][T11811]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  717.052623][T11811]  console_emit_next_record (kernel/printk/printk.c:3183)
[  717.052630][T11811]  ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20)
[  717.052633][T11811]  ? 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))
[  717.052640][T11811]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  717.052644][T11811]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  717.052652][T11811]  console_flush_one_record (kernel/printk/printk.c:3268)
[  717.052660][T11811]  ? console_emit_next_record (kernel/printk/printk.c:3150)
[  717.052664][T11811]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[  717.052675][T11811]  console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420)
[  717.052680][T11811]  ? console_flush_one_record (kernel/printk/printk.c:3316)
[  717.052683][T11811]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  717.052686][T11811]  ? 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)
[  717.052694][T11811]  ? __down_trylock_console_sem (kernel/printk/printk.c:334)
[  717.052697][T11811]  ? vprintk_emit (kernel/printk/printk.c:2478)
[  717.052702][T11811]  vprintk_emit (kernel/printk/printk.c:2479)
[  717.052708][T11811]  ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126))
[  717.052713][T11811]  ? _mutex_trylock_nest_lock (kernel/locking/mutex.c:1227 (discriminator 6))
[  717.052722][T11811]  _printk (kernel/printk/printk.c:2504)
[  717.052728][T11811]  ? snapshot_read.cold (user.c:?)
[  717.052731][T11811]  ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4116 (discriminator 3) kernel/rcu/tree.c:4108 (discriminator 3))
[  717.052736][T11811]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380)
[  717.052741][T11811]  ? validate_chain (kernel/locking/lockdep.c:3817 (discriminator 2) kernel/locking/lockdep.c:3837 (discriminator 2) kernel/locking/lockdep.c:3892 (discriminator 2))
[  717.052745][T11811]  ? netdev_name (./include/linux/netdevice.h:5709 (discriminator 1))
[  717.052751][T11811]  ? __netdev_printk (net/core/dev.c:13148 (discriminator 2))
[  717.052757][T11811]  ? do_setlink.isra.0 (net/core/rtnetlink.c:3246)
[  717.052761][T11811]  netdev_info (net/core/dev.c:13195 (discriminator 3))
[  717.052766][T11811]  ? netdev_notice (net/core/dev.c:13194)
[  717.052771][T11811]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[  717.052777][T11811]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554)
[  717.052782][T11811]  ? mark_held_locks (kernel/locking/lockdep.c:4341)
[  717.052789][T11811]  ? do_setlink.isra.0 (net/core/rtnetlink.c:3246)
[  717.052793][T11811]  netif_change_name.cold (net/core/dev.c:1507 (discriminator 3))
[  717.052797][T11811]  ? register_netdev (net/core/dev.c:11618)
[  717.052800][T11811]  ? 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))
[  717.052810][T11811]  ? netdev_adjacent_rename_links (net/core/dev.c:9598)
[  717.052814][T11811]  ? __kernel_text_address (kernel/extable.c:79)
[  717.052818][T11811]  ? write_profile (profile.c:?)
[  717.052825][T11811]  ? __asan_memset (mm/kasan/shadow.c:84 (discriminator 1))
[  717.052835][T11811]  do_setlink.isra.0 (net/core/rtnetlink.c:3246)
[  717.052842][T11811]  ? stack_trace_save (kernel/stacktrace.c:122 (discriminator 1))
[  717.052846][T11811]  ? rtnl_link_get_size (net/core/rtnetlink.c:747)
[  717.052849][T11811]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:388 kernel/rcu/update.c:380)
[  717.052853][T11811]  ? stack_depot_save_flags (lib/stackdepot.c:609 (discriminator 2) lib/stackdepot.c:676 (discriminator 2))
[  717.052859][T11811]  ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4116 (discriminator 3) kernel/rcu/tree.c:4108 (discriminator 3))
[  717.052863][T11811]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380)
[  717.052866][T11811]  ? validate_chain (kernel/locking/lockdep.c:3817 (discriminator 2) kernel/locking/lockdep.c:3837 (discriminator 2) kernel/locking/lockdep.c:3892 (discriminator 2))
[  717.052871][T11811]  ? kasan_save_stack (mm/kasan/common.c:58)
[  717.052874][T11811]  ? kasan_save_stack (mm/kasan/common.c:57)
[  717.052876][T11811]  ? kasan_save_track (mm/kasan/common.c:78)
[  717.052879][T11811]  ? __kasan_kmalloc (mm/kasan/common.c:398 mm/kasan/common.c:415)
[  717.052883][T11811]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[  717.052887][T11811]  ? snd_ac97_proc_read_main (sound/pci/ac97/ac97_proc.c:320)
[  717.052892][T11811]  ? ___sys_sendmsg (net/socket.c:2758)
[  717.052899][T11811]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2))
[  717.052902][T11811]  ? rtnl_newlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:366 net/core/rtnetlink.c:4214)
[  717.052908][T11811]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  717.052911][T11811]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  717.052914][T11811]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  717.052916][T11811]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  717.052920][T11811]  ? trace_contention_end (./include/trace/events/lock.h:121 (discriminator 22))
[  717.052924][T11811]  ? __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)
[  717.052927][T11811]  ? __mutex_lock (kernel/locking/mutex.c:656 (discriminator 1) kernel/locking/mutex.c:821 (discriminator 1))
[  717.052931][T11811]  ? rtnl_newlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:366 net/core/rtnetlink.c:4214)
[  717.052938][T11811]  ? ww_mutex_lock (kernel/locking/mutex.c:934)
[  717.052940][T11811]  ? nla_get_range_signed (lib/nlattr.c:270)
[  717.052949][T11811]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  717.052954][T11811]  ? __rtnl_newlink (net/core/rtnetlink.c:4063)
[  717.052965][T11811]  rtnl_newlink (net/core/rtnetlink.c:4215)
[  717.052977][T11811]  ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558)
[  717.052981][T11811]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[  717.052990][T11811]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2))
[  717.052994][T11811]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[  717.052998][T11811]  ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558)
[  717.053001][T11811]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554)
[  717.053009][T11811]  ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558)
[  717.053013][T11811]  rtnetlink_rcv_msg (net/core/rtnetlink.c:7132)
[  717.053020][T11811]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[  717.053022][T11811]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[  717.053032][T11811]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2))
[  717.053035][T11811]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[  717.053042][T11811]  netlink_rcv_skb (net/netlink/af_netlink.c:2556)
[  717.053047][T11811]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[  717.053053][T11811]  ? netlink_ack (./include/linux/skbuff.h:2718)
[  717.053067][T11811]  ? 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))
[  717.053070][T11811]  ? 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))
[  717.053080][T11811]  netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[  717.053088][T11811]  ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[  717.053093][T11811]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[  717.053102][T11811]  netlink_sendmsg (net/netlink/af_netlink.c:1900)
[  717.053110][T11811]  ? netlink_unicast (./include/net/net_namespace.h:422 (discriminator 7))
[  717.053118][T11811]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554)
[  717.053121][T11811]  ? __import_iovec (lib/iov_iter.c:1358 lib/iov_iter.c:1373)
[  717.053131][T11811]  __sock_sendmsg (net/socket.c:800 (discriminator 4) net/socket.c:815 (discriminator 4))
[  717.053136][T11811]  ____sys_sendmsg (net/socket.c:2713)
[  717.053140][T11811]  ? copy_msghdr_from_user (net/socket.c:2650)
[  717.053144][T11811]  ? sock_write_iter (net/socket.c:1269)
[  717.053147][T11811]  ? move_addr_to_kernel (net/socket.c:258)
[  717.053163][T11811]  ___sys_sendmsg (net/socket.c:2767)
[  717.053169][T11811]  ? copy_msghdr_from_user (net/socket.c:2619)
[  717.053204][T11811]  __sys_sendmsg (net/socket.c:2799)
[  717.053209][T11811]  ? __sys_sendmsg_sock (net/socket.c:2780)
[  717.053222][T11811]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  717.053229][T11811]  do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84)
[  717.053233][T11811]  ? exc_page_fault (arch/x86/mm/fault.c:1489 (discriminator 3) arch/x86/mm/fault.c:1536 (discriminator 3))
[  717.053239][T11811]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[  717.053242][T11811] RIP: 0033:0x7febe3f9854e
[  717.053248][T11811] 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
[  717.053251][T11811] RSP: 002b:00007ffe81f5e5d0 EFLAGS: 00000202 ORIG_RAX: 000000000000002e
[  717.053255][T11811] RAX: ffffffffffffffda RBX: 0000000000000005 RCX: 00007febe3f9854e
[  717.053258][T11811] RDX: 0000000000000000 RSI: 00007ffe81f5e680 RDI: 0000000000000005
[  717.053260][T11811] RBP: 00007ffe81f5e5e0 R08: 0000000000000000 R09: 0000000000000000
[  717.053261][T11811] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a91537b
[  717.053263][T11811] R13: 00000000004a1620 R14: 0000000000000000 R15: 00007ffe81f5ed50
| [  727.196369][T11955] softirqs last disabled at (28756): netif_change_name (./include/linux/spinlock.h:353 ./include/linux/seqlock.h:908 net/core/dev.c:1499)
| [  727.196372][T11955] Preemption disabled at:
| [  727.196373][T11955] vprintk_emit (kernel/printk/printk.c:2471)
| [  727.196383][T11955] Tainted: [W]=WARN
[  727.196384][T11955] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[  727.196385][T11955] Call Trace:
[  727.196387][T11955]  <TASK>
[  727.196389][T11955]  dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120)
[  727.196395][T11955]  ? vprintk_emit (kernel/printk/printk.c:2471)
[  727.196397][T11955]  __might_resched.cold (kernel/sched/core.c:9234)
[  727.196402][T11955]  ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3))
[  727.196406][T11955]  ? __kmalloc_noprof (./include/linux/sched/mm.h:317 mm/slub.c:4636 mm/slub.c:4974 mm/slub.c:5413 mm/slub.c:5439)
[  727.196411][T11955]  __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))
[  727.196413][T11955]  ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[  727.196420][T11955]  ? 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)
[  727.196423][T11955]  alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[  727.196427][T11955]  put_chars (drivers/char/virtio_console.c:1176)
[  727.196429][T11955]  ? __send_to_port (drivers/char/virtio_console.c:654)
[  727.196436][T11955]  hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2))
[  727.196445][T11955]  ? hvc_write (drivers/tty/hvc/hvc_console.c:501)
[  727.196448][T11955]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  727.196453][T11955]  console_emit_next_record (kernel/printk/printk.c:3183)
[  727.196457][T11955]  ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20)
[  727.196459][T11955]  ? 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))
[  727.196462][T11955]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  727.196465][T11955]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  727.196470][T11955]  console_flush_one_record (kernel/printk/printk.c:3268)
[  727.196474][T11955]  ? console_emit_next_record (kernel/printk/printk.c:3150)
[  727.196476][T11955]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[  727.196482][T11955]  console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420)
[  727.196485][T11955]  ? console_flush_one_record (kernel/printk/printk.c:3316)
[  727.196487][T11955]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  727.196489][T11955]  ? 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)
[  727.196493][T11955]  ? __down_trylock_console_sem (kernel/printk/printk.c:334)
[  727.196494][T11955]  ? vprintk_emit (kernel/printk/printk.c:2478)
[  727.196497][T11955]  vprintk_emit (kernel/printk/printk.c:2479)
[  727.196501][T11955]  ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126))
[  727.196503][T11955]  ? _mutex_trylock_nest_lock (kernel/locking/mutex.c:1227 (discriminator 6))
[  727.196509][T11955]  _printk (kernel/printk/printk.c:2504)
[  727.196513][T11955]  ? snapshot_read.cold (user.c:?)
[  727.196514][T11955]  ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4116 (discriminator 3) kernel/rcu/tree.c:4108 (discriminator 3))
[  727.196517][T11955]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380)
[  727.196520][T11955]  ? validate_chain (kernel/locking/lockdep.c:3817 (discriminator 2) kernel/locking/lockdep.c:3837 (discriminator 2) kernel/locking/lockdep.c:3892 (discriminator 2))
[  727.196523][T11955]  ? netdev_name (./include/linux/netdevice.h:5709 (discriminator 1))
[  727.196527][T11955]  ? __netdev_printk (net/core/dev.c:13148 (discriminator 2))
[  727.196530][T11955]  ? do_setlink.isra.0 (net/core/rtnetlink.c:3246)
[  727.196532][T11955]  netdev_info (net/core/dev.c:13195 (discriminator 3))
[  727.196535][T11955]  ? netdev_notice (net/core/dev.c:13194)
[  727.196538][T11955]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[  727.196541][T11955]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554)
[  727.196544][T11955]  ? mark_held_locks (kernel/locking/lockdep.c:4341)
[  727.196548][T11955]  ? do_setlink.isra.0 (net/core/rtnetlink.c:3246)
[  727.196550][T11955]  netif_change_name.cold (net/core/dev.c:1507 (discriminator 3))
[  727.196552][T11955]  ? register_netdev (net/core/dev.c:11618)
[  727.196554][T11955]  ? 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))
[  727.196560][T11955]  ? netdev_adjacent_rename_links (net/core/dev.c:9598)
[  727.196567][T11955]  ? __kernel_text_address (kernel/extable.c:79)
[  727.196570][T11955]  ? write_profile (profile.c:?)
[  727.196574][T11955]  ? __asan_memset (mm/kasan/shadow.c:84 (discriminator 1))
[  727.196580][T11955]  do_setlink.isra.0 (net/core/rtnetlink.c:3246)
[  727.196584][T11955]  ? stack_trace_save (kernel/stacktrace.c:122 (discriminator 1))
[  727.196586][T11955]  ? rtnl_link_get_size (net/core/rtnetlink.c:747)
[  727.196587][T11955]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:388 kernel/rcu/update.c:380)
[  727.196589][T11955]  ? stack_depot_save_flags (lib/stackdepot.c:609 (discriminator 2) lib/stackdepot.c:676 (discriminator 2))
[  727.196593][T11955]  ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4116 (discriminator 3) kernel/rcu/tree.c:4108 (discriminator 3))
[  727.196595][T11955]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380)
[  727.196597][T11955]  ? validate_chain (kernel/locking/lockdep.c:3817 (discriminator 2) kernel/locking/lockdep.c:3837 (discriminator 2) kernel/locking/lockdep.c:3892 (discriminator 2))
[  727.196600][T11955]  ? kasan_save_stack (mm/kasan/common.c:58)
[  727.196602][T11955]  ? kasan_save_stack (mm/kasan/common.c:57)
[  727.196603][T11955]  ? kasan_save_track (mm/kasan/common.c:78)
[  727.196604][T11955]  ? __kasan_kmalloc (mm/kasan/common.c:398 mm/kasan/common.c:415)
[  727.196607][T11955]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[  727.196609][T11955]  ? snd_ac97_proc_read_main (sound/pci/ac97/ac97_proc.c:320)
[  727.196612][T11955]  ? ___sys_sendmsg (net/socket.c:2758)
[  727.196616][T11955]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2))
[  727.196618][T11955]  ? rtnl_newlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:366 net/core/rtnetlink.c:4214)
[  727.196621][T11955]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  727.196623][T11955]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  727.196625][T11955]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  727.196626][T11955]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  727.196628][T11955]  ? trace_contention_end (./include/trace/events/lock.h:121 (discriminator 22))
[  727.196630][T11955]  ? __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)
[  727.196631][T11955]  ? __mutex_lock (kernel/locking/mutex.c:656 (discriminator 1) kernel/locking/mutex.c:821 (discriminator 1))
[  727.196633][T11955]  ? rtnl_newlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:366 net/core/rtnetlink.c:4214)
[  727.196637][T11955]  ? ww_mutex_lock (kernel/locking/mutex.c:934)
[  727.196638][T11955]  ? nla_get_range_signed (lib/nlattr.c:270)
[  727.196643][T11955]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  727.196645][T11955]  ? __rtnl_newlink (net/core/rtnetlink.c:4063)
[  727.196651][T11955]  rtnl_newlink (net/core/rtnetlink.c:4215)
[  727.196662][T11955]  ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558)
[  727.196665][T11955]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[  727.196669][T11955]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2))
[  727.196672][T11955]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[  727.196674][T11955]  ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558)
[  727.196676][T11955]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554)
[  727.196680][T11955]  ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558)
[  727.196682][T11955]  rtnetlink_rcv_msg (net/core/rtnetlink.c:7132)
[  727.196685][T11955]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[  727.196687][T11955]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[  727.196692][T11955]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2))
[  727.196695][T11955]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[  727.196702][T11955]  netlink_rcv_skb (net/netlink/af_netlink.c:2556)
[  727.196706][T11955]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[  727.196709][T11955]  ? netlink_ack (./include/linux/skbuff.h:2718)
[  727.196716][T11955]  ? 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))
[  727.196718][T11955]  ? 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))
[  727.196723][T11955]  netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[  727.196727][T11955]  ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[  727.196730][T11955]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[  727.196735][T11955]  netlink_sendmsg (net/netlink/af_netlink.c:1900)
[  727.196739][T11955]  ? netlink_unicast (./include/net/net_namespace.h:422 (discriminator 7))
[  727.196743][T11955]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554)
[  727.196745][T11955]  ? __import_iovec (lib/iov_iter.c:1358 lib/iov_iter.c:1373)
[  727.196750][T11955]  __sock_sendmsg (net/socket.c:800 (discriminator 4) net/socket.c:815 (discriminator 4))
[  727.196754][T11955]  ____sys_sendmsg (net/socket.c:2713)
[  727.196756][T11955]  ? copy_msghdr_from_user (net/socket.c:2650)
[  727.196759][T11955]  ? sock_write_iter (net/socket.c:1269)
[  727.196760][T11955]  ? move_addr_to_kernel (net/socket.c:258)
[  727.196768][T11955]  ___sys_sendmsg (net/socket.c:2767)
[  727.196771][T11955]  ? copy_msghdr_from_user (net/socket.c:2619)
[  727.196787][T11955]  __sys_sendmsg (net/socket.c:2799)
[  727.196790][T11955]  ? __sys_sendmsg_sock (net/socket.c:2780)
[  727.196797][T11955]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  727.196800][T11955]  do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84)
[  727.196803][T11955]  ? exc_page_fault (arch/x86/mm/fault.c:1489 (discriminator 3) arch/x86/mm/fault.c:1536 (discriminator 3))
[  727.196806][T11955]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[  727.196809][T11955] RIP: 0033:0x7f02a9c2f54e
[  727.196813][T11955] 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
[  727.196815][T11955] RSP: 002b:00007ffdddb61650 EFLAGS: 00000202 ORIG_RAX: 000000000000002e
[  727.196818][T11955] RAX: ffffffffffffffda RBX: 0000000000000005 RCX: 00007f02a9c2f54e
[  727.196820][T11955] RDX: 0000000000000000 RSI: 00007ffdddb61700 RDI: 0000000000000005
[  727.196821][T11955] RBP: 00007ffdddb61660 R08: 0000000000000000 R09: 0000000000000000
[  727.196821][T11955] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a915385
[  727.196822][T11955] R13: 00000000004a1620 R14: 0000000000000000 R15: 00007ffdddb61dd0
| [  737.600621][T12098] softirqs last disabled at (24282): netif_change_name (./include/linux/spinlock.h:353 ./include/linux/seqlock.h:908 net/core/dev.c:1499)
| [  737.600624][T12098] Preemption disabled at:
| [  737.600625][T12098] vprintk_emit (kernel/printk/printk.c:2471)
| [  737.600637][T12098] Tainted: [W]=WARN
[  737.600638][T12098] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[  737.600641][T12098] Call Trace:
[  737.600643][T12098]  <TASK>
[  737.600646][T12098]  dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120)
[  737.600653][T12098]  ? vprintk_emit (kernel/printk/printk.c:2471)
[  737.600656][T12098]  __might_resched.cold (kernel/sched/core.c:9234)
[  737.600663][T12098]  ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3))
[  737.600669][T12098]  ? __kmalloc_noprof (./include/linux/sched/mm.h:317 mm/slub.c:4636 mm/slub.c:4974 mm/slub.c:5413 mm/slub.c:5439)
[  737.600676][T12098]  __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))
[  737.600680][T12098]  ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[  737.600690][T12098]  ? 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)
[  737.600694][T12098]  alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[  737.600700][T12098]  put_chars (drivers/char/virtio_console.c:1176)
[  737.600704][T12098]  ? __send_to_port (drivers/char/virtio_console.c:654)
[  737.600716][T12098]  hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2))
[  737.600729][T12098]  ? hvc_write (drivers/tty/hvc/hvc_console.c:501)
[  737.600741][T12098]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  737.600748][T12098]  console_emit_next_record (kernel/printk/printk.c:3183)
[  737.600755][T12098]  ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20)
[  737.600758][T12098]  ? 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))
[  737.600763][T12098]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  737.600767][T12098]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  737.600774][T12098]  console_flush_one_record (kernel/printk/printk.c:3268)
[  737.600781][T12098]  ? console_emit_next_record (kernel/printk/printk.c:3150)
[  737.600784][T12098]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[  737.600794][T12098]  console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420)
[  737.600799][T12098]  ? console_flush_one_record (kernel/printk/printk.c:3316)
[  737.600802][T12098]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  737.600805][T12098]  ? 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)
[  737.600812][T12098]  ? __down_trylock_console_sem (kernel/printk/printk.c:334)
[  737.600815][T12098]  ? vprintk_emit (kernel/printk/printk.c:2478)
[  737.600821][T12098]  vprintk_emit (kernel/printk/printk.c:2479)
[  737.600826][T12098]  ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126))
[  737.600831][T12098]  ? _mutex_trylock_nest_lock (kernel/locking/mutex.c:1227 (discriminator 6))
[  737.600840][T12098]  _printk (kernel/printk/printk.c:2504)
[  737.600846][T12098]  ? snapshot_read.cold (user.c:?)
[  737.600848][T12098]  ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4116 (discriminator 3) kernel/rcu/tree.c:4108 (discriminator 3))
[  737.600853][T12098]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380)
[  737.600857][T12098]  ? validate_chain (kernel/locking/lockdep.c:3817 (discriminator 2) kernel/locking/lockdep.c:3837 (discriminator 2) kernel/locking/lockdep.c:3892 (discriminator 2))
[  737.600861][T12098]  ? netdev_name (./include/linux/netdevice.h:5709 (discriminator 1))
[  737.600866][T12098]  ? __netdev_printk (net/core/dev.c:13148 (discriminator 2))
[  737.600871][T12098]  ? do_setlink.isra.0 (net/core/rtnetlink.c:3246)
[  737.600875][T12098]  netdev_info (net/core/dev.c:13195 (discriminator 3))
[  737.600879][T12098]  ? netdev_notice (net/core/dev.c:13194)
[  737.600883][T12098]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[  737.600889][T12098]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554)
[  737.600893][T12098]  ? mark_held_locks (kernel/locking/lockdep.c:4341)
[  737.600898][T12098]  ? do_setlink.isra.0 (net/core/rtnetlink.c:3246)
[  737.600902][T12098]  netif_change_name.cold (net/core/dev.c:1507 (discriminator 3))
[  737.600906][T12098]  ? register_netdev (net/core/dev.c:11618)
[  737.600908][T12098]  ? 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))
[  737.600917][T12098]  ? netdev_adjacent_rename_links (net/core/dev.c:9598)
[  737.600921][T12098]  ? __kernel_text_address (kernel/extable.c:79)
[  737.600925][T12098]  ? write_profile (profile.c:?)
[  737.600932][T12098]  ? __asan_memset (mm/kasan/shadow.c:84 (discriminator 1))
[  737.600941][T12098]  do_setlink.isra.0 (net/core/rtnetlink.c:3246)
[  737.600948][T12098]  ? stack_trace_save (kernel/stacktrace.c:122 (discriminator 1))
[  737.600952][T12098]  ? rtnl_link_get_size (net/core/rtnetlink.c:747)
[  737.600954][T12098]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:388 kernel/rcu/update.c:380)
[  737.600957][T12098]  ? stack_depot_save_flags (lib/stackdepot.c:609 (discriminator 2) lib/stackdepot.c:676 (discriminator 2))
[  737.600962][T12098]  ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4116 (discriminator 3) kernel/rcu/tree.c:4108 (discriminator 3))
[  737.600966][T12098]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380)
[  737.600969][T12098]  ? validate_chain (kernel/locking/lockdep.c:3817 (discriminator 2) kernel/locking/lockdep.c:3837 (discriminator 2) kernel/locking/lockdep.c:3892 (discriminator 2))
[  737.600973][T12098]  ? kasan_save_stack (mm/kasan/common.c:58)
[  737.600976][T12098]  ? kasan_save_stack (mm/kasan/common.c:57)
[  737.600979][T12098]  ? kasan_save_track (mm/kasan/common.c:78)
[  737.600981][T12098]  ? __kasan_kmalloc (mm/kasan/common.c:398 mm/kasan/common.c:415)
[  737.600985][T12098]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[  737.600988][T12098]  ? snd_ac97_proc_read_main (sound/pci/ac97/ac97_proc.c:320)
[  737.600992][T12098]  ? ___sys_sendmsg (net/socket.c:2758)
[  737.600998][T12098]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2))
[  737.601001][T12098]  ? rtnl_newlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:366 net/core/rtnetlink.c:4214)
[  737.601006][T12098]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  737.601009][T12098]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  737.601012][T12098]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  737.601014][T12098]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  737.601017][T12098]  ? trace_contention_end (./include/trace/events/lock.h:121 (discriminator 22))
[  737.601020][T12098]  ? __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)
[  737.601022][T12098]  ? __mutex_lock (kernel/locking/mutex.c:656 (discriminator 1) kernel/locking/mutex.c:821 (discriminator 1))
[  737.601026][T12098]  ? rtnl_newlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:366 net/core/rtnetlink.c:4214)
[  737.601032][T12098]  ? ww_mutex_lock (kernel/locking/mutex.c:934)
[  737.601034][T12098]  ? nla_get_range_signed (lib/nlattr.c:270)
[  737.601042][T12098]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  737.601046][T12098]  ? __rtnl_newlink (net/core/rtnetlink.c:4063)
[  737.601057][T12098]  rtnl_newlink (net/core/rtnetlink.c:4215)
[  737.601067][T12098]  ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558)
[  737.601071][T12098]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[  737.601079][T12098]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2))
[  737.601083][T12098]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[  737.601086][T12098]  ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558)
[  737.601090][T12098]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554)
[  737.601097][T12098]  ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558)
[  737.601101][T12098]  rtnetlink_rcv_msg (net/core/rtnetlink.c:7132)
[  737.601106][T12098]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[  737.601108][T12098]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[  737.601116][T12098]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2))
[  737.601119][T12098]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[  737.601125][T12098]  netlink_rcv_skb (net/netlink/af_netlink.c:2556)
[  737.601130][T12098]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[  737.601135][T12098]  ? netlink_ack (./include/linux/skbuff.h:2718)
[  737.601146][T12098]  ? 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))
[  737.601149][T12098]  ? 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))
[  737.601157][T12098]  netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[  737.601164][T12098]  ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[  737.601169][T12098]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[  737.601177][T12098]  netlink_sendmsg (net/netlink/af_netlink.c:1900)
[  737.601185][T12098]  ? netlink_unicast (./include/net/net_namespace.h:422 (discriminator 7))
[  737.601192][T12098]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554)
[  737.601195][T12098]  ? __import_iovec (lib/iov_iter.c:1358 lib/iov_iter.c:1373)
[  737.601203][T12098]  __sock_sendmsg (net/socket.c:800 (discriminator 4) net/socket.c:815 (discriminator 4))
[  737.601208][T12098]  ____sys_sendmsg (net/socket.c:2713)
[  737.601212][T12098]  ? copy_msghdr_from_user (net/socket.c:2650)
[  737.601215][T12098]  ? sock_write_iter (net/socket.c:1269)
[  737.601218][T12098]  ? move_addr_to_kernel (net/socket.c:258)
[  737.601231][T12098]  ___sys_sendmsg (net/socket.c:2767)
[  737.601235][T12098]  ? copy_msghdr_from_user (net/socket.c:2619)
[  737.601266][T12098]  __sys_sendmsg (net/socket.c:2799)
[  737.601271][T12098]  ? __sys_sendmsg_sock (net/socket.c:2780)
[  737.601283][T12098]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  737.601289][T12098]  do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84)
[  737.601293][T12098]  ? exc_page_fault (arch/x86/mm/fault.c:1489 (discriminator 3) arch/x86/mm/fault.c:1536 (discriminator 3))
[  737.601298][T12098]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[  737.601302][T12098] RIP: 0033:0x7f18bb10a54e
[  737.601307][T12098] 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
[  737.601311][T12098] RSP: 002b:00007fff79740530 EFLAGS: 00000202 ORIG_RAX: 000000000000002e
[  737.601315][T12098] RAX: ffffffffffffffda RBX: 0000000000000005 RCX: 00007f18bb10a54e
[  737.601318][T12098] RDX: 0000000000000000 RSI: 00007fff797405e0 RDI: 0000000000000005
[  737.601320][T12098] RBP: 00007fff79740540 R08: 0000000000000000 R09: 0000000000000000
[  737.601321][T12098] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a91538f
[  737.601323][T12098] R13: 00000000004a1620 R14: 0000000000000000 R15: 00007fff79740cb0
| [  747.812482][T12241] softirqs last disabled at (19530): netif_change_name (./include/linux/spinlock.h:353 ./include/linux/seqlock.h:908 net/core/dev.c:1499)
| [  747.812485][T12241] Preemption disabled at:
| [  747.812486][T12241] vprintk_emit (kernel/printk/printk.c:2471)
| [  747.812499][T12241] Tainted: [W]=WARN
[  747.812500][T12241] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[  747.812502][T12241] Call Trace:
[  747.812504][T12241]  <TASK>
[  747.812507][T12241]  dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120)
[  747.812514][T12241]  ? vprintk_emit (kernel/printk/printk.c:2471)
[  747.812517][T12241]  __might_resched.cold (kernel/sched/core.c:9234)
[  747.812524][T12241]  ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3))
[  747.812530][T12241]  ? __kmalloc_noprof (./include/linux/sched/mm.h:317 mm/slub.c:4636 mm/slub.c:4974 mm/slub.c:5413 mm/slub.c:5439)
[  747.812537][T12241]  __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))
[  747.812540][T12241]  ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[  747.812550][T12241]  ? 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)
[  747.812554][T12241]  alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[  747.812560][T12241]  put_chars (drivers/char/virtio_console.c:1176)
[  747.812568][T12241]  ? __send_to_port (drivers/char/virtio_console.c:654)
[  747.812581][T12241]  hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2))
[  747.812594][T12241]  ? hvc_write (drivers/tty/hvc/hvc_console.c:501)
[  747.812600][T12241]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  747.812608][T12241]  console_emit_next_record (kernel/printk/printk.c:3183)
[  747.812615][T12241]  ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20)
[  747.812618][T12241]  ? 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))
[  747.812623][T12241]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  747.812628][T12241]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  747.812635][T12241]  console_flush_one_record (kernel/printk/printk.c:3268)
[  747.812643][T12241]  ? console_emit_next_record (kernel/printk/printk.c:3150)
[  747.812646][T12241]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[  747.812656][T12241]  console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420)
[  747.812661][T12241]  ? console_flush_one_record (kernel/printk/printk.c:3316)
[  747.812663][T12241]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  747.812667][T12241]  ? 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)
[  747.812673][T12241]  ? __down_trylock_console_sem (kernel/printk/printk.c:334)
[  747.812676][T12241]  ? vprintk_emit (kernel/printk/printk.c:2478)
[  747.812681][T12241]  vprintk_emit (kernel/printk/printk.c:2479)
[  747.812687][T12241]  ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126))
[  747.812692][T12241]  ? _mutex_trylock_nest_lock (kernel/locking/mutex.c:1227 (discriminator 6))
[  747.812700][T12241]  _printk (kernel/printk/printk.c:2504)
[  747.812706][T12241]  ? snapshot_read.cold (user.c:?)
[  747.812708][T12241]  ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4116 (discriminator 3) kernel/rcu/tree.c:4108 (discriminator 3))
[  747.812714][T12241]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380)
[  747.812718][T12241]  ? validate_chain (kernel/locking/lockdep.c:3817 (discriminator 2) kernel/locking/lockdep.c:3837 (discriminator 2) kernel/locking/lockdep.c:3892 (discriminator 2))
[  747.812721][T12241]  ? netdev_name (./include/linux/netdevice.h:5709 (discriminator 1))
[  747.812727][T12241]  ? __netdev_printk (net/core/dev.c:13148 (discriminator 2))
[  747.812732][T12241]  ? do_setlink.isra.0 (net/core/rtnetlink.c:3246)
[  747.812736][T12241]  netdev_info (net/core/dev.c:13195 (discriminator 3))
[  747.812740][T12241]  ? netdev_notice (net/core/dev.c:13194)
[  747.812745][T12241]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[  747.812750][T12241]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554)
[  747.812755][T12241]  ? mark_held_locks (kernel/locking/lockdep.c:4341)
[  747.812761][T12241]  ? do_setlink.isra.0 (net/core/rtnetlink.c:3246)
[  747.812765][T12241]  netif_change_name.cold (net/core/dev.c:1507 (discriminator 3))
[  747.812768][T12241]  ? register_netdev (net/core/dev.c:11618)
[  747.812771][T12241]  ? 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))
[  747.812779][T12241]  ? netdev_adjacent_rename_links (net/core/dev.c:9598)
[  747.812783][T12241]  ? __kernel_text_address (kernel/extable.c:79)
[  747.812787][T12241]  ? write_profile (profile.c:?)
[  747.812793][T12241]  ? __asan_memset (mm/kasan/shadow.c:84 (discriminator 1))
[  747.812802][T12241]  do_setlink.isra.0 (net/core/rtnetlink.c:3246)
[  747.812808][T12241]  ? stack_trace_save (kernel/stacktrace.c:122 (discriminator 1))
[  747.812817][T12241]  ? rtnl_link_get_size (net/core/rtnetlink.c:747)
[  747.812820][T12241]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:388 kernel/rcu/update.c:380)
[  747.812823][T12241]  ? stack_depot_save_flags (lib/stackdepot.c:609 (discriminator 2) lib/stackdepot.c:676 (discriminator 2))
[  747.812828][T12241]  ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4116 (discriminator 3) kernel/rcu/tree.c:4108 (discriminator 3))
[  747.812832][T12241]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380)
[  747.812835][T12241]  ? validate_chain (kernel/locking/lockdep.c:3817 (discriminator 2) kernel/locking/lockdep.c:3837 (discriminator 2) kernel/locking/lockdep.c:3892 (discriminator 2))
[  747.812839][T12241]  ? kasan_save_stack (mm/kasan/common.c:58)
[  747.812842][T12241]  ? kasan_save_stack (mm/kasan/common.c:57)
[  747.812844][T12241]  ? kasan_save_track (mm/kasan/common.c:78)
[  747.812846][T12241]  ? __kasan_kmalloc (mm/kasan/common.c:398 mm/kasan/common.c:415)
[  747.812851][T12241]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[  747.812854][T12241]  ? snd_ac97_proc_read_main (sound/pci/ac97/ac97_proc.c:320)
[  747.812858][T12241]  ? ___sys_sendmsg (net/socket.c:2758)
[  747.812865][T12241]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2))
[  747.812868][T12241]  ? rtnl_newlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:366 net/core/rtnetlink.c:4214)
[  747.812873][T12241]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  747.812877][T12241]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  747.812879][T12241]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  747.812881][T12241]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  747.812885][T12241]  ? trace_contention_end (./include/trace/events/lock.h:121 (discriminator 22))
[  747.812889][T12241]  ? __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)
[  747.812892][T12241]  ? __mutex_lock (kernel/locking/mutex.c:656 (discriminator 1) kernel/locking/mutex.c:821 (discriminator 1))
[  747.812895][T12241]  ? rtnl_newlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:366 net/core/rtnetlink.c:4214)
[  747.812901][T12241]  ? ww_mutex_lock (kernel/locking/mutex.c:934)
[  747.812903][T12241]  ? nla_get_range_signed (lib/nlattr.c:270)
[  747.812911][T12241]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  747.812916][T12241]  ? __rtnl_newlink (net/core/rtnetlink.c:4063)
[  747.812926][T12241]  rtnl_newlink (net/core/rtnetlink.c:4215)
[  747.812937][T12241]  ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558)
[  747.812940][T12241]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[  747.812949][T12241]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2))
[  747.812952][T12241]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[  747.812956][T12241]  ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558)
[  747.812959][T12241]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554)
[  747.812966][T12241]  ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558)
[  747.812970][T12241]  rtnetlink_rcv_msg (net/core/rtnetlink.c:7132)
[  747.812976][T12241]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[  747.812978][T12241]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[  747.812987][T12241]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2))
[  747.812990][T12241]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[  747.812997][T12241]  netlink_rcv_skb (net/netlink/af_netlink.c:2556)
[  747.813001][T12241]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[  747.813007][T12241]  ? netlink_ack (./include/linux/skbuff.h:2718)
[  747.813019][T12241]  ? 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))
[  747.813022][T12241]  ? 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))
[  747.813031][T12241]  netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[  747.813038][T12241]  ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[  747.813043][T12241]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[  747.813051][T12241]  netlink_sendmsg (net/netlink/af_netlink.c:1900)
[  747.813058][T12241]  ? netlink_unicast (./include/net/net_namespace.h:422 (discriminator 7))
[  747.813065][T12241]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554)
[  747.813068][T12241]  ? __import_iovec (lib/iov_iter.c:1358 lib/iov_iter.c:1373)
[  747.813077][T12241]  __sock_sendmsg (net/socket.c:800 (discriminator 4) net/socket.c:815 (discriminator 4))
[  747.813082][T12241]  ____sys_sendmsg (net/socket.c:2713)
[  747.813086][T12241]  ? copy_msghdr_from_user (net/socket.c:2650)
[  747.813090][T12241]  ? sock_write_iter (net/socket.c:1269)
[  747.813093][T12241]  ? move_addr_to_kernel (net/socket.c:258)
[  747.813107][T12241]  ___sys_sendmsg (net/socket.c:2767)
[  747.813113][T12241]  ? copy_msghdr_from_user (net/socket.c:2619)
[  747.813145][T12241]  __sys_sendmsg (net/socket.c:2799)
[  747.813150][T12241]  ? __sys_sendmsg_sock (net/socket.c:2780)
[  747.813162][T12241]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  747.813168][T12241]  do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84)
[  747.813172][T12241]  ? exc_page_fault (arch/x86/mm/fault.c:1489 (discriminator 3) arch/x86/mm/fault.c:1536 (discriminator 3))
[  747.813177][T12241]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[  747.813181][T12241] RIP: 0033:0x7fe034c6854e
[  747.813186][T12241] 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
[  747.813190][T12241] RSP: 002b:00007fffaad06350 EFLAGS: 00000202 ORIG_RAX: 000000000000002e
[  747.813195][T12241] RAX: ffffffffffffffda RBX: 0000000000000005 RCX: 00007fe034c6854e
[  747.813197][T12241] RDX: 0000000000000000 RSI: 00007fffaad06400 RDI: 0000000000000005
[  747.813199][T12241] RBP: 00007fffaad06360 R08: 0000000000000000 R09: 0000000000000000
[  747.813200][T12241] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a91539a
[  747.813202][T12241] R13: 00000000004a1620 R14: 0000000000000000 R15: 00007fffaad06ad0
| [  757.171224][T12385] softirqs last disabled at (22688): netif_change_name (./include/linux/spinlock.h:353 ./include/linux/seqlock.h:908 net/core/dev.c:1499)
| [  757.171227][T12385] Preemption disabled at:
| [  757.171227][T12385] vprintk_emit (kernel/printk/printk.c:2471)
| [  757.171237][T12385] Tainted: [W]=WARN
[  757.171238][T12385] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[  757.171239][T12385] Call Trace:
[  757.171241][T12385]  <TASK>
[  757.171243][T12385]  dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120)
[  757.171249][T12385]  ? vprintk_emit (kernel/printk/printk.c:2471)
[  757.171250][T12385]  __might_resched.cold (kernel/sched/core.c:9234)
[  757.171255][T12385]  ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3))
[  757.171260][T12385]  ? __kmalloc_noprof (./include/linux/sched/mm.h:317 mm/slub.c:4636 mm/slub.c:4974 mm/slub.c:5413 mm/slub.c:5439)
[  757.171264][T12385]  __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))
[  757.171266][T12385]  ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[  757.171273][T12385]  ? 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)
[  757.171276][T12385]  alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[  757.171280][T12385]  put_chars (drivers/char/virtio_console.c:1176)
[  757.171283][T12385]  ? __send_to_port (drivers/char/virtio_console.c:654)
[  757.171290][T12385]  hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2))
[  757.171299][T12385]  ? hvc_write (drivers/tty/hvc/hvc_console.c:501)
[  757.171302][T12385]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  757.171307][T12385]  console_emit_next_record (kernel/printk/printk.c:3183)
[  757.171311][T12385]  ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20)
[  757.171313][T12385]  ? 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))
[  757.171317][T12385]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  757.171319][T12385]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  757.171324][T12385]  console_flush_one_record (kernel/printk/printk.c:3268)
[  757.171328][T12385]  ? console_emit_next_record (kernel/printk/printk.c:3150)
[  757.171330][T12385]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[  757.171336][T12385]  console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420)
[  757.171339][T12385]  ? console_flush_one_record (kernel/printk/printk.c:3316)
[  757.171341][T12385]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  757.171343][T12385]  ? 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)
[  757.171347][T12385]  ? __down_trylock_console_sem (kernel/printk/printk.c:334)
[  757.171349][T12385]  ? vprintk_emit (kernel/printk/printk.c:2478)
[  757.171352][T12385]  vprintk_emit (kernel/printk/printk.c:2479)
[  757.171355][T12385]  ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126))
[  757.171358][T12385]  ? _mutex_trylock_nest_lock (kernel/locking/mutex.c:1227 (discriminator 6))
[  757.171363][T12385]  _printk (kernel/printk/printk.c:2504)
[  757.171367][T12385]  ? snapshot_read.cold (user.c:?)
[  757.171369][T12385]  ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4116 (discriminator 3) kernel/rcu/tree.c:4108 (discriminator 3))
[  757.171372][T12385]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380)
[  757.171375][T12385]  ? validate_chain (kernel/locking/lockdep.c:3817 (discriminator 2) kernel/locking/lockdep.c:3837 (discriminator 2) kernel/locking/lockdep.c:3892 (discriminator 2))
[  757.171377][T12385]  ? netdev_name (./include/linux/netdevice.h:5709 (discriminator 1))
[  757.171381][T12385]  ? __netdev_printk (net/core/dev.c:13148 (discriminator 2))
[  757.171384][T12385]  ? do_setlink.isra.0 (net/core/rtnetlink.c:3246)
[  757.171387][T12385]  netdev_info (net/core/dev.c:13195 (discriminator 3))
[  757.171390][T12385]  ? netdev_notice (net/core/dev.c:13194)
[  757.171393][T12385]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[  757.171396][T12385]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554)
[  757.171399][T12385]  ? mark_held_locks (kernel/locking/lockdep.c:4341)
[  757.171402][T12385]  ? do_setlink.isra.0 (net/core/rtnetlink.c:3246)
[  757.171405][T12385]  netif_change_name.cold (net/core/dev.c:1507 (discriminator 3))
[  757.171407][T12385]  ? register_netdev (net/core/dev.c:11618)
[  757.171408][T12385]  ? 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))
[  757.171414][T12385]  ? netdev_adjacent_rename_links (net/core/dev.c:9598)
[  757.171417][T12385]  ? __kernel_text_address (kernel/extable.c:79)
[  757.171420][T12385]  ? write_profile (profile.c:?)
[  757.171424][T12385]  ? __asan_memset (mm/kasan/shadow.c:84 (discriminator 1))
[  757.171430][T12385]  do_setlink.isra.0 (net/core/rtnetlink.c:3246)
[  757.171434][T12385]  ? stack_trace_save (kernel/stacktrace.c:122 (discriminator 1))
[  757.171436][T12385]  ? rtnl_link_get_size (net/core/rtnetlink.c:747)
[  757.171437][T12385]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:388 kernel/rcu/update.c:380)
[  757.171439][T12385]  ? stack_depot_save_flags (lib/stackdepot.c:609 (discriminator 2) lib/stackdepot.c:676 (discriminator 2))
[  757.171443][T12385]  ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4116 (discriminator 3) kernel/rcu/tree.c:4108 (discriminator 3))
[  757.171445][T12385]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380)
[  757.171447][T12385]  ? validate_chain (kernel/locking/lockdep.c:3817 (discriminator 2) kernel/locking/lockdep.c:3837 (discriminator 2) kernel/locking/lockdep.c:3892 (discriminator 2))
[  757.171450][T12385]  ? kasan_save_stack (mm/kasan/common.c:58)
[  757.171452][T12385]  ? kasan_save_stack (mm/kasan/common.c:57)
[  757.171453][T12385]  ? kasan_save_track (mm/kasan/common.c:78)
[  757.171454][T12385]  ? __kasan_kmalloc (mm/kasan/common.c:398 mm/kasan/common.c:415)
[  757.171457][T12385]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[  757.171459][T12385]  ? snd_ac97_proc_read_main (sound/pci/ac97/ac97_proc.c:320)
[  757.171462][T12385]  ? ___sys_sendmsg (net/socket.c:2758)
[  757.171466][T12385]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2))
[  757.171468][T12385]  ? rtnl_newlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:366 net/core/rtnetlink.c:4214)
[  757.171471][T12385]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  757.171473][T12385]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  757.171474][T12385]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  757.171475][T12385]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  757.171477][T12385]  ? trace_contention_end (./include/trace/events/lock.h:121 (discriminator 22))
[  757.171480][T12385]  ? __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)
[  757.171481][T12385]  ? __mutex_lock (kernel/locking/mutex.c:656 (discriminator 1) kernel/locking/mutex.c:821 (discriminator 1))
[  757.171483][T12385]  ? rtnl_newlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:366 net/core/rtnetlink.c:4214)
[  757.171487][T12385]  ? ww_mutex_lock (kernel/locking/mutex.c:934)
[  757.171488][T12385]  ? nla_get_range_signed (lib/nlattr.c:270)
[  757.171493][T12385]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  757.171496][T12385]  ? __rtnl_newlink (net/core/rtnetlink.c:4063)
[  757.171501][T12385]  rtnl_newlink (net/core/rtnetlink.c:4215)
[  757.171507][T12385]  ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558)
[  757.171509][T12385]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[  757.171514][T12385]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2))
[  757.171516][T12385]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[  757.171518][T12385]  ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558)
[  757.171520][T12385]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554)
[  757.171524][T12385]  ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558)
[  757.171526][T12385]  rtnetlink_rcv_msg (net/core/rtnetlink.c:7132)
[  757.171530][T12385]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[  757.171531][T12385]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[  757.171536][T12385]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2))
[  757.171538][T12385]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[  757.171542][T12385]  netlink_rcv_skb (net/netlink/af_netlink.c:2556)
[  757.171545][T12385]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[  757.171548][T12385]  ? netlink_ack (./include/linux/skbuff.h:2718)
[  757.171555][T12385]  ? 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))
[  757.171557][T12385]  ? 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))
[  757.171565][T12385]  netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[  757.171569][T12385]  ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[  757.171572][T12385]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[  757.171577][T12385]  netlink_sendmsg (net/netlink/af_netlink.c:1900)
[  757.171581][T12385]  ? netlink_unicast (./include/net/net_namespace.h:422 (discriminator 7))
[  757.171585][T12385]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554)
[  757.171587][T12385]  ? __import_iovec (lib/iov_iter.c:1358 lib/iov_iter.c:1373)
[  757.171593][T12385]  __sock_sendmsg (net/socket.c:800 (discriminator 4) net/socket.c:815 (discriminator 4))
[  757.171596][T12385]  ____sys_sendmsg (net/socket.c:2713)
[  757.171598][T12385]  ? copy_msghdr_from_user (net/socket.c:2650)
[  757.171601][T12385]  ? sock_write_iter (net/socket.c:1269)
[  757.171602][T12385]  ? move_addr_to_kernel (net/socket.c:258)
[  757.171610][T12385]  ___sys_sendmsg (net/socket.c:2767)
[  757.171613][T12385]  ? copy_msghdr_from_user (net/socket.c:2619)
[  757.171630][T12385]  __sys_sendmsg (net/socket.c:2799)
[  757.171633][T12385]  ? __sys_sendmsg_sock (net/socket.c:2780)
[  757.171639][T12385]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  757.171643][T12385]  do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84)
[  757.171646][T12385]  ? exc_page_fault (arch/x86/mm/fault.c:1489 (discriminator 3) arch/x86/mm/fault.c:1536 (discriminator 3))
[  757.171649][T12385]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[  757.171651][T12385] RIP: 0033:0x7f8c27e7854e
[  757.171655][T12385] 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
[  757.171657][T12385] RSP: 002b:00007ffdea8b8ca0 EFLAGS: 00000202 ORIG_RAX: 000000000000002e
[  757.171660][T12385] RAX: ffffffffffffffda RBX: 0000000000000005 RCX: 00007f8c27e7854e
[  757.171662][T12385] RDX: 0000000000000000 RSI: 00007ffdea8b8d50 RDI: 0000000000000005
[  757.171663][T12385] RBP: 00007ffdea8b8cb0 R08: 0000000000000000 R09: 0000000000000000
[  757.171664][T12385] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a9153a3


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
netif_change_name:vprintk_emit:dump_stack_lvl:__kmalloc_noprof:put_chars