======================================
| [   12.986317][  T195] softirqs last disabled at (33947): __irq_exit_rcu (kernel/softirq.c:679 kernel/softirq.c:519 kernel/softirq.c:767)
| [   12.986320][  T195] Preemption disabled at:
| [   12.986320][  T195] 0x0
| [   12.986330][  T195] Tainted: [W]=WARN
[   12.986331][  T195] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   12.986333][  T195] Call Trace:
[   12.986335][  T195]  <TASK>
[   12.986336][  T195]  dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120)
[   12.986342][  T195]  __might_resched.cold (kernel/sched/core.c:9234)
[   12.986347][  T195]  ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3))
[   12.986350][  T195]  ? __kmalloc_noprof (./include/linux/sched/mm.h:317 mm/slub.c:4636 mm/slub.c:4974 mm/slub.c:5413 mm/slub.c:5439)
[   12.986355][  T195]  __kmalloc_noprof (./include/linux/sched/mm.h:322 (discriminator 2) mm/slub.c:4636 (discriminator 2) mm/slub.c:4974 (discriminator 2) mm/slub.c:5413 (discriminator 2) mm/slub.c:5439 (discriminator 2))
[   12.986358][  T195]  ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[   12.986364][  T195]  ? do_raw_spin_unlock (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:32 ./include/asm-generic/qspinlock.h:58 kernel/locking/spinlock_debug.c:101 kernel/locking/spinlock_debug.c:141)
[   12.986368][  T195]  alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[   12.986371][  T195]  put_chars (drivers/char/virtio_console.c:1176)
[   12.986374][  T195]  ? __send_to_port (drivers/char/virtio_console.c:654)
[   12.986381][  T195]  hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2))
[   12.986388][  T195]  ? hvc_write (drivers/tty/hvc/hvc_console.c:501)
[   12.986390][  T195]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   12.986395][  T195]  console_emit_next_record (kernel/printk/printk.c:3183)
[   12.986399][  T195]  ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20)
[   12.986400][  T195]  ? console_flush_one_record (./include/linux/rcupdate.h:314 (discriminator 2) ./include/linux/srcu.h:439 (discriminator 2) kernel/printk/printk.c:291 (discriminator 2) kernel/printk/printk.c:3246 (discriminator 2))
[   12.986403][  T195]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   12.986406][  T195]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   12.986410][  T195]  console_flush_one_record (kernel/printk/printk.c:3268)
[   12.986414][  T195]  ? console_emit_next_record (kernel/printk/printk.c:3150)
[   12.986415][  T195]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   12.986421][  T195]  console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420)
[   12.986423][  T195]  ? console_flush_one_record (kernel/printk/printk.c:3316)
[   12.986429][  T195]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   12.986431][  T195]  ? lock_acquire (kernel/locking/lockdep.c:5913)
[   12.986435][  T195]  ? __down_trylock_console_sem (kernel/printk/printk.c:334)
[   12.986437][  T195]  ? vprintk_emit (kernel/printk/printk.c:2478)
[   12.986440][  T195]  vprintk_emit (kernel/printk/printk.c:2479)
[   12.986443][  T195]  ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126))
[   12.986446][  T195]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   12.986450][  T195]  _printk (kernel/printk/printk.c:2504)
[   12.986454][  T195]  ? snapshot_read.cold (user.c:?)
[   12.986457][  T195]  ? 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)
[   12.986460][  T195]  ? __rwlock_init (kernel/locking/spinlock_debug.c:48)
[   12.986464][  T195]  ? 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)
[   12.986467][  T195]  do_exit.cold (kernel/exit.c:889 (discriminator 4) kernel/exit.c:1043 (discriminator 4))
[   12.986471][  T195]  ? exit_notify (kernel/exit.c:780)
[   12.986473][  T195]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554)
[   12.986475][  T195]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   12.986479][  T195]  do_group_exit (kernel/exit.c:1151)
[   12.986482][  T195]  __x64_sys_exit_group (kernel/exit.c:1162 kernel/exit.c:1160 kernel/exit.c:1160)
[   12.986484][  T195]  x64_sys_call (./arch/x86/include/generated/asm/syscalls_64.h:232)
[   12.986487][  T195]  do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84)
[   12.986491][  T195]  ? exc_page_fault (arch/x86/mm/fault.c:1489 (discriminator 3) arch/x86/mm/fault.c:1536 (discriminator 3))
[   12.986494][  T195]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[   12.986496][  T195] RIP: 0033:0x7f95120461b8
[   12.986499][  T195] Code: Unable to access opcode bytes at 0x7f951204618e.

Code starting with the faulting instruction
===========================================
[   12.986500][  T195] RSP: 002b:00007ffe2519b828 EFLAGS: 00000246 ORIG_RAX: 00000000000000e7
[   12.986503][  T195] RAX: ffffffffffffffda RBX: 00007f9512176f88 RCX: 00007f95120461b8
[   12.986504][  T195] RDX: 00007f9511d90fc8 RSI: fffffffffffffeb8 RDI: 0000000000000000
[   12.986505][  T195] RBP: 00007ffe2519b880 R08: 0000000000000000 R09: 0000000000000000
[   12.986505][  T195] R10: 00007ffe2519b640 R11: 0000000000000246 R12: 0000000000000001
[   12.986506][  T195] R13: 0000000000000000 R14: 00007f9512175680 R15: 00007f9512176fa0
| [   14.663118][  T239] softirqs last disabled at (17438): netif_change_name (./include/linux/spinlock.h:353 ./include/linux/seqlock.h:908 net/core/dev.c:1499)
| [   14.663122][  T239] Preemption disabled at:
| [   14.663123][  T239] vprintk_emit (kernel/printk/printk.c:2471)
| [   14.663135][  T239] Tainted: [W]=WARN
[   14.663136][  T239] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   14.663138][  T239] Call Trace:
[   14.663141][  T239]  <TASK>
[   14.663143][  T239]  dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120)
[   14.663150][  T239]  ? vprintk_emit (kernel/printk/printk.c:2471)
[   14.663153][  T239]  __might_resched.cold (kernel/sched/core.c:9234)
[   14.663160][  T239]  ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3))
[   14.663165][  T239]  ? __kmalloc_noprof (./include/linux/sched/mm.h:317 mm/slub.c:4636 mm/slub.c:4974 mm/slub.c:5413 mm/slub.c:5439)
[   14.663173][  T239]  __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))
[   14.663177][  T239]  ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[   14.663186][  T239]  ? 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)
[   14.663190][  T239]  alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[   14.663196][  T239]  put_chars (drivers/char/virtio_console.c:1176)
[   14.663203][  T239]  ? __send_to_port (drivers/char/virtio_console.c:654)
[   14.663211][  T239]  ? validate_chain (kernel/locking/lockdep.c:159 kernel/locking/lockdep.c:191 kernel/locking/lockdep.c:3928)
[   14.663219][  T239]  hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2))
[   14.663223][  T239]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   14.663226][  T239]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   14.663235][  T239]  ? hvc_write (drivers/tty/hvc/hvc_console.c:501)
[   14.663242][  T239]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   14.663247][  T239]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   14.663255][  T239]  console_emit_next_record (kernel/printk/printk.c:3183)
[   14.663261][  T239]  ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20)
[   14.663263][  T239]  ? 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))
[   14.663268][  T239]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   14.663271][  T239]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   14.663279][  T239]  console_flush_one_record (kernel/printk/printk.c:3268)
[   14.663286][  T239]  ? console_emit_next_record (kernel/printk/printk.c:3150)
[   14.663289][  T239]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   14.663299][  T239]  console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420)
[   14.663303][  T239]  ? console_flush_one_record (kernel/printk/printk.c:3316)
[   14.663305][  T239]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   14.663308][  T239]  ? lock_acquire (kernel/locking/lockdep.c:5913)
[   14.663316][  T239]  ? __down_trylock_console_sem (kernel/printk/printk.c:334)
[   14.663319][  T239]  ? vprintk_emit (kernel/printk/printk.c:2478)
[   14.663324][  T239]  vprintk_emit (kernel/printk/printk.c:2479)
[   14.663330][  T239]  ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126))
[   14.663335][  T239]  ? save_trace (kernel/locking/lockdep.c:589)
[   14.663344][  T239]  _printk (kernel/printk/printk.c:2504)
[   14.663349][  T239]  ? snapshot_read.cold (user.c:?)
[   14.663355][  T239]  ? validate_chain (kernel/locking/lockdep.c:159 kernel/locking/lockdep.c:191 kernel/locking/lockdep.c:3928)
[   14.663359][  T239]  ? netdev_name (./include/linux/netdevice.h:5709 (discriminator 1))
[   14.663364][  T239]  ? __netdev_printk (net/core/dev.c:13148 (discriminator 2))
[   14.663369][  T239]  ? do_setlink.isra.0 (net/core/rtnetlink.c:3246)
[   14.663373][  T239]  netdev_info (net/core/dev.c:13195 (discriminator 3))
[   14.663377][  T239]  ? netdev_notice (net/core/dev.c:13194)
[   14.663382][  T239]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[   14.663388][  T239]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554)
[   14.663393][  T239]  ? mark_held_locks (kernel/locking/lockdep.c:4341)
[   14.663399][  T239]  ? do_setlink.isra.0 (net/core/rtnetlink.c:3246)
[   14.663403][  T239]  netif_change_name.cold (net/core/dev.c:1507 (discriminator 3))
[   14.663408][  T239]  ? 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))
[   14.663418][  T239]  ? netdev_adjacent_rename_links (net/core/dev.c:9598)
[   14.663423][  T239]  ? __kernel_text_address (kernel/extable.c:79)
[   14.663427][  T239]  ? write_profile (profile.c:?)
[   14.663433][  T239]  ? __asan_memset (mm/kasan/shadow.c:84 (discriminator 1))
[   14.663446][  T239]  do_setlink.isra.0 (net/core/rtnetlink.c:3246)
[   14.663454][  T239]  ? stack_trace_save (kernel/stacktrace.c:122 (discriminator 1))
[   14.663458][  T239]  ? rtnl_link_get_size (net/core/rtnetlink.c:747)
[   14.663460][  T239]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:388 kernel/rcu/update.c:380)
[   14.663464][  T239]  ? stack_depot_save_flags (lib/stackdepot.c:609 (discriminator 2) lib/stackdepot.c:676 (discriminator 2))
[   14.663469][  T239]  ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4116 (discriminator 3) kernel/rcu/tree.c:4108 (discriminator 3))
[   14.663474][  T239]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380)
[   14.663477][  T239]  ? validate_chain (kernel/locking/lockdep.c:3817 (discriminator 2) kernel/locking/lockdep.c:3837 (discriminator 2) kernel/locking/lockdep.c:3892 (discriminator 2))
[   14.663482][  T239]  ? kasan_save_stack (mm/kasan/common.c:58)
[   14.663486][  T239]  ? kasan_save_stack (mm/kasan/common.c:57)
[   14.663489][  T239]  ? kasan_save_track (mm/kasan/common.c:78)
[   14.663494][  T239]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   14.663497][  T239]  ? netlink_update_listeners (net/netlink/af_netlink.c:532)
[   14.663502][  T239]  ? ___sys_sendmsg (net/socket.c:2744 net/socket.c:2763)
[   14.663511][  T239]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2))
[   14.663514][  T239]  ? rtnl_newlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:366 net/core/rtnetlink.c:4214)
[   14.663520][  T239]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   14.663523][  T239]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   14.663526][  T239]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   14.663528][  T239]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   14.663531][  T239]  ? trace_contention_end (./include/trace/events/lock.h:121 (discriminator 22))
[   14.663536][  T239]  ? __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)
[   14.663541][  T239]  ? __mutex_lock (kernel/locking/mutex.c:656 (discriminator 1) kernel/locking/mutex.c:821 (discriminator 1))
[   14.663545][  T239]  ? rtnl_newlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:366 net/core/rtnetlink.c:4214)
[   14.663551][  T239]  ? ww_mutex_lock (kernel/locking/mutex.c:934)
[   14.663555][  T239]  ? nla_get_range_signed (lib/nlattr.c:270)
[   14.663565][  T239]  ? __rtnl_newlink (net/core/rtnetlink.c:4063)
[   14.663576][  T239]  rtnl_newlink (net/core/rtnetlink.c:4215)
[   14.663587][  T239]  ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558)
[   14.663590][  T239]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   14.663599][  T239]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2))
[   14.663603][  T239]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[   14.663606][  T239]  ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558)
[   14.663610][  T239]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554)
[   14.663618][  T239]  ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558)
[   14.663622][  T239]  rtnetlink_rcv_msg (net/core/rtnetlink.c:7132)
[   14.663628][  T239]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   14.663631][  T239]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   14.663640][  T239]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2))
[   14.663643][  T239]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[   14.663650][  T239]  netlink_rcv_skb (net/netlink/af_netlink.c:2556)
[   14.663653][  T239]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   14.663659][  T239]  ? netlink_ack (./include/linux/skbuff.h:2718)
[   14.663672][  T239]  ? 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))
[   14.663675][  T239]  ? 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))
[   14.663684][  T239]  netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[   14.663691][  T239]  ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[   14.663696][  T239]  ? __lock_acquire (kernel/locking/lockdep.c:5251 (discriminator 3))
[   14.663704][  T239]  netlink_sendmsg (net/netlink/af_netlink.c:1900)
[   14.663711][  T239]  ? netlink_unicast (./include/net/net_namespace.h:422 (discriminator 7))
[   14.663714][  T239]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554)
[   14.663720][  T239]  ? __might_fault (mm/memory.c:7482 (discriminator 5))
[   14.663725][  T239]  ? __might_fault (mm/memory.c:7482 (discriminator 5))
[   14.663733][  T239]  ____sys_sendmsg (net/socket.c:800 (discriminator 4) net/socket.c:815 (discriminator 4) net/socket.c:2713 (discriminator 4))
[   14.663737][  T239]  ? copy_msghdr_from_user (net/socket.c:2650)
[   14.663741][  T239]  ? get_timestamp.constprop.0 (./include/linux/netdevice.h:5399)
[   14.663744][  T239]  ? move_addr_to_kernel (./include/linux/audit.h:354 (discriminator 1))
[   14.663759][  T239]  ___sys_sendmsg (net/socket.c:2767)
[   14.663764][  T239]  ? copy_msghdr_from_user (net/socket.c:2619)
[   14.663798][  T239]  __sys_sendmsg (net/socket.c:2799)
[   14.663804][  T239]  ? __sys_sendmsg_sock (net/socket.c:2780)
[   14.663817][  T239]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   14.663823][  T239]  do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84)
[   14.663827][  T239]  ? exc_page_fault (arch/x86/mm/fault.c:1489 (discriminator 3) arch/x86/mm/fault.c:1536 (discriminator 3))
[   14.663832][  T239]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[   14.663836][  T239] RIP: 0033:0x7f55e05ed54e
[   14.663841][  T239] 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
[   14.663844][  T239] RSP: 002b:00007fffab264c20 EFLAGS: 00000202 ORIG_RAX: 000000000000002e
[   14.663848][  T239] RAX: ffffffffffffffda RBX: 0000000000000003 RCX: 00007f55e05ed54e
[   14.663850][  T239] RDX: 0000000000000000 RSI: 00007fffab264cd0 RDI: 0000000000000005
[   14.663852][  T239] RBP: 00007fffab264c30 R08: 0000000000000000 R09: 0000000000000000
[   14.663853][  T239] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a90d791
[   14.663855][  T239] R13: 00000000004a1620 R14: 0000000000000000 R15: 00007fffab2653a0
| [   15.722728][  T277] softirqs last disabled at (18560): netif_change_name (./include/linux/spinlock.h:353 ./include/linux/seqlock.h:908 net/core/dev.c:1499)
| [   15.722732][  T277] Preemption disabled at:
| [   15.722733][  T277] vprintk_emit (kernel/printk/printk.c:2471)
| [   15.722745][  T277] Tainted: [W]=WARN
[   15.722746][  T277] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   15.722749][  T277] Call Trace:
[   15.722751][  T277]  <TASK>
[   15.722754][  T277]  dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120)
[   15.722761][  T277]  ? vprintk_emit (kernel/printk/printk.c:2471)
[   15.722764][  T277]  __might_resched.cold (kernel/sched/core.c:9234)
[   15.722771][  T277]  ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3))
[   15.722776][  T277]  ? __kmalloc_noprof (./include/linux/sched/mm.h:317 mm/slub.c:4636 mm/slub.c:4974 mm/slub.c:5413 mm/slub.c:5439)
[   15.722784][  T277]  __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))
[   15.722788][  T277]  ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[   15.722799][  T277]  ? 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)
[   15.722803][  T277]  alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[   15.722809][  T277]  put_chars (drivers/char/virtio_console.c:1176)
[   15.722814][  T277]  ? __send_to_port (drivers/char/virtio_console.c:654)
[   15.722820][  T277]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380)
[   15.722825][  T277]  ? validate_chain (kernel/locking/lockdep.c:3817 (discriminator 2) kernel/locking/lockdep.c:3837 (discriminator 2) kernel/locking/lockdep.c:3892 (discriminator 2))
[   15.722833][  T277]  hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2))
[   15.722838][  T277]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   15.722841][  T277]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   15.722850][  T277]  ? hvc_write (drivers/tty/hvc/hvc_console.c:501)
[   15.722856][  T277]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   15.722860][  T277]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   15.722868][  T277]  console_emit_next_record (kernel/printk/printk.c:3183)
[   15.722874][  T277]  ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20)
[   15.722876][  T277]  ? 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))
[   15.722881][  T277]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   15.722884][  T277]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   15.722892][  T277]  console_flush_one_record (kernel/printk/printk.c:3268)
[   15.722899][  T277]  ? console_emit_next_record (kernel/printk/printk.c:3150)
[   15.722901][  T277]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   15.722912][  T277]  console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420)
[   15.722916][  T277]  ? console_flush_one_record (kernel/printk/printk.c:3316)
[   15.722918][  T277]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   15.722921][  T277]  ? lock_acquire (kernel/locking/lockdep.c:5913)
[   15.722928][  T277]  ? __down_trylock_console_sem (kernel/printk/printk.c:334)
[   15.722931][  T277]  ? vprintk_emit (kernel/printk/printk.c:2478)
[   15.722937][  T277]  vprintk_emit (kernel/printk/printk.c:2479)
[   15.722943][  T277]  ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126))
[   15.722946][  T277]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   15.722949][  T277]  ? save_trace (kernel/locking/lockdep.c:154 (discriminator 6) kernel/locking/lockdep.c:150 (discriminator 6) kernel/locking/lockdep.c:202 (discriminator 6) kernel/locking/lockdep.c:577 (discriminator 6))
[   15.722952][  T277]  ? find_held_lock (kernel/locking/lockdep.c:5360)
[   15.722960][  T277]  _printk (kernel/printk/printk.c:2504)
[   15.722965][  T277]  ? snapshot_read.cold (user.c:?)
[   15.722967][  T277]  ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4116 (discriminator 3) kernel/rcu/tree.c:4108 (discriminator 3))
[   15.722973][  T277]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380)
[   15.722976][  T277]  ? validate_chain (kernel/locking/lockdep.c:3817 (discriminator 2) kernel/locking/lockdep.c:3837 (discriminator 2) kernel/locking/lockdep.c:3892 (discriminator 2))
[   15.722980][  T277]  ? netdev_name (./include/linux/netdevice.h:5709 (discriminator 1))
[   15.722985][  T277]  ? __netdev_printk (net/core/dev.c:13148 (discriminator 2))
[   15.722989][  T277]  ? do_setlink.isra.0 (net/core/rtnetlink.c:3246)
[   15.722993][  T277]  netdev_info (net/core/dev.c:13195 (discriminator 3))
[   15.722997][  T277]  ? netdev_notice (net/core/dev.c:13194)
[   15.723002][  T277]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[   15.723007][  T277]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554)
[   15.723012][  T277]  ? mark_held_locks (kernel/locking/lockdep.c:4341)
[   15.723018][  T277]  ? do_setlink.isra.0 (net/core/rtnetlink.c:3246)
[   15.723022][  T277]  netif_change_name.cold (net/core/dev.c:1507 (discriminator 3))
[   15.723027][  T277]  ? 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))
[   15.723037][  T277]  ? netdev_adjacent_rename_links (net/core/dev.c:9598)
[   15.723041][  T277]  ? __kernel_text_address (kernel/extable.c:79)
[   15.723045][  T277]  ? write_profile (profile.c:?)
[   15.723051][  T277]  ? __asan_memset (mm/kasan/shadow.c:84 (discriminator 1))
[   15.723060][  T277]  do_setlink.isra.0 (net/core/rtnetlink.c:3246)
[   15.723068][  T277]  ? stack_trace_save (kernel/stacktrace.c:122 (discriminator 1))
[   15.723072][  T277]  ? rtnl_link_get_size (net/core/rtnetlink.c:747)
[   15.723074][  T277]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:388 kernel/rcu/update.c:380)
[   15.723077][  T277]  ? stack_depot_save_flags (lib/stackdepot.c:609 (discriminator 2) lib/stackdepot.c:676 (discriminator 2))
[   15.723082][  T277]  ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4116 (discriminator 3) kernel/rcu/tree.c:4108 (discriminator 3))
[   15.723086][  T277]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380)
[   15.723089][  T277]  ? validate_chain (kernel/locking/lockdep.c:3817 (discriminator 2) kernel/locking/lockdep.c:3837 (discriminator 2) kernel/locking/lockdep.c:3892 (discriminator 2))
[   15.723094][  T277]  ? kasan_save_stack (mm/kasan/common.c:58)
[   15.723098][  T277]  ? kasan_save_stack (mm/kasan/common.c:57)
[   15.723101][  T277]  ? kasan_save_track (mm/kasan/common.c:78)
[   15.723106][  T277]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   15.723109][  T277]  ? netlink_update_listeners (net/netlink/af_netlink.c:532)
[   15.723113][  T277]  ? ___sys_sendmsg (net/socket.c:2744 net/socket.c:2763)
[   15.723121][  T277]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2))
[   15.723124][  T277]  ? rtnl_newlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:366 net/core/rtnetlink.c:4214)
[   15.723129][  T277]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   15.723133][  T277]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   15.723135][  T277]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   15.723137][  T277]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   15.723141][  T277]  ? trace_contention_end (./include/trace/events/lock.h:121 (discriminator 22))
[   15.723145][  T277]  ? __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)
[   15.723150][  T277]  ? __mutex_lock (kernel/locking/mutex.c:656 (discriminator 1) kernel/locking/mutex.c:821 (discriminator 1))
[   15.723154][  T277]  ? rtnl_newlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:366 net/core/rtnetlink.c:4214)
[   15.723160][  T277]  ? ww_mutex_lock (kernel/locking/mutex.c:934)
[   15.723163][  T277]  ? nla_get_range_signed (lib/nlattr.c:270)
[   15.723174][  T277]  ? __rtnl_newlink (net/core/rtnetlink.c:4063)
[   15.723184][  T277]  rtnl_newlink (net/core/rtnetlink.c:4215)
[   15.723195][  T277]  ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558)
[   15.723198][  T277]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   15.723207][  T277]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2))
[   15.723210][  T277]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[   15.723214][  T277]  ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558)
[   15.723217][  T277]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554)
[   15.723224][  T277]  ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558)
[   15.723228][  T277]  rtnetlink_rcv_msg (net/core/rtnetlink.c:7132)
[   15.723234][  T277]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   15.723236][  T277]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   15.723245][  T277]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2))
[   15.723248][  T277]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[   15.723255][  T277]  netlink_rcv_skb (net/netlink/af_netlink.c:2556)
[   15.723258][  T277]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   15.723263][  T277]  ? netlink_ack (./include/linux/skbuff.h:2718)
[   15.723276][  T277]  ? 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))
[   15.723278][  T277]  ? 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))
[   15.723286][  T277]  netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[   15.723293][  T277]  ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[   15.723298][  T277]  ? __lock_acquire (kernel/locking/lockdep.c:5251 (discriminator 3))
[   15.723306][  T277]  netlink_sendmsg (net/netlink/af_netlink.c:1900)
[   15.723313][  T277]  ? netlink_unicast (./include/net/net_namespace.h:422 (discriminator 7))
[   15.723315][  T277]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554)
[   15.723321][  T277]  ? __might_fault (mm/memory.c:7482 (discriminator 5))
[   15.723326][  T277]  ? __might_fault (mm/memory.c:7482 (discriminator 5))
[   15.723333][  T277]  ____sys_sendmsg (net/socket.c:800 (discriminator 4) net/socket.c:815 (discriminator 4) net/socket.c:2713 (discriminator 4))
[   15.723337][  T277]  ? copy_msghdr_from_user (net/socket.c:2650)
[   15.723341][  T277]  ? get_timestamp.constprop.0 (./include/linux/netdevice.h:5399)
[   15.723344][  T277]  ? move_addr_to_kernel (./include/linux/audit.h:354 (discriminator 1))
[   15.723358][  T277]  ___sys_sendmsg (net/socket.c:2767)
[   15.723363][  T277]  ? copy_msghdr_from_user (net/socket.c:2619)
[   15.723395][  T277]  __sys_sendmsg (net/socket.c:2799)
[   15.723400][  T277]  ? __sys_sendmsg_sock (net/socket.c:2780)
[   15.723413][  T277]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   15.723419][  T277]  do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84)
[   15.723422][  T277]  ? exc_page_fault (arch/x86/mm/fault.c:1489 (discriminator 3) arch/x86/mm/fault.c:1536 (discriminator 3))
[   15.723428][  T277]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[   15.723431][  T277] RIP: 0033:0x7f177b50654e
[   15.723437][  T277] 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
[   15.723439][  T277] RSP: 002b:00007ffdc308bf50 EFLAGS: 00000202 ORIG_RAX: 000000000000002e
[   15.723443][  T277] RAX: ffffffffffffffda RBX: 0000000000000003 RCX: 00007f177b50654e
[   15.723446][  T277] RDX: 0000000000000000 RSI: 00007ffdc308c000 RDI: 0000000000000005
[   15.723447][  T277] RBP: 00007ffdc308bf60 R08: 0000000000000000 R09: 0000000000000000
[   15.723455][  T277] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a90d793
[   15.723457][  T277] R13: 00000000004a1620 R14: 0000000000000000 R15: 00007ffdc308c6d0
| [   16.726082][  T282] softirqs last disabled at (29602): netif_change_name (./include/linux/spinlock.h:353 ./include/linux/seqlock.h:908 net/core/dev.c:1499)
| [   16.726084][  T282] Preemption disabled at:
| [   16.726085][  T282] vprintk_emit (kernel/printk/printk.c:2471)
| [   16.726094][  T282] Tainted: [W]=WARN
[   16.726095][  T282] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   16.726097][  T282] Call Trace:
[   16.726098][  T282]  <TASK>
[   16.726100][  T282]  dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120)
[   16.726105][  T282]  ? vprintk_emit (kernel/printk/printk.c:2471)
[   16.726107][  T282]  __might_resched.cold (kernel/sched/core.c:9234)
[   16.726112][  T282]  ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3))
[   16.726115][  T282]  ? __kmalloc_noprof (./include/linux/sched/mm.h:317 mm/slub.c:4636 mm/slub.c:4974 mm/slub.c:5413 mm/slub.c:5439)
[   16.726121][  T282]  __kmalloc_noprof (./include/linux/sched/mm.h:322 (discriminator 2) mm/slub.c:4636 (discriminator 2) mm/slub.c:4974 (discriminator 2) mm/slub.c:5413 (discriminator 2) mm/slub.c:5439 (discriminator 2))
[   16.726123][  T282]  ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[   16.726130][  T282]  ? do_raw_spin_unlock (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:32 ./include/asm-generic/qspinlock.h:58 kernel/locking/spinlock_debug.c:101 kernel/locking/spinlock_debug.c:141)
[   16.726133][  T282]  alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[   16.726136][  T282]  put_chars (drivers/char/virtio_console.c:1176)
[   16.726139][  T282]  ? __send_to_port (drivers/char/virtio_console.c:654)
[   16.726143][  T282]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380)
[   16.726147][  T282]  ? validate_chain (kernel/locking/lockdep.c:3817 (discriminator 2) kernel/locking/lockdep.c:3837 (discriminator 2) kernel/locking/lockdep.c:3892 (discriminator 2))
[   16.726152][  T282]  hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2))
[   16.726155][  T282]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   16.726157][  T282]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   16.726162][  T282]  ? hvc_write (drivers/tty/hvc/hvc_console.c:501)
[   16.726166][  T282]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   16.726168][  T282]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   16.726173][  T282]  console_emit_next_record (kernel/printk/printk.c:3183)
[   16.726176][  T282]  ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20)
[   16.726178][  T282]  ? console_flush_one_record (./include/linux/rcupdate.h:314 (discriminator 2) ./include/linux/srcu.h:439 (discriminator 2) kernel/printk/printk.c:291 (discriminator 2) kernel/printk/printk.c:3246 (discriminator 2))
[   16.726180][  T282]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   16.726182][  T282]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   16.726187][  T282]  console_flush_one_record (kernel/printk/printk.c:3268)
[   16.726191][  T282]  ? console_emit_next_record (kernel/printk/printk.c:3150)
[   16.726192][  T282]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   16.726198][  T282]  console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420)
[   16.726200][  T282]  ? console_flush_one_record (kernel/printk/printk.c:3316)
[   16.726202][  T282]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   16.726204][  T282]  ? lock_acquire (kernel/locking/lockdep.c:5913)
[   16.726208][  T282]  ? __down_trylock_console_sem (kernel/printk/printk.c:334)
[   16.726210][  T282]  ? vprintk_emit (kernel/printk/printk.c:2478)
[   16.726213][  T282]  vprintk_emit (kernel/printk/printk.c:2479)
[   16.726216][  T282]  ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126))
[   16.726218][  T282]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   16.726221][  T282]  ? save_trace (kernel/locking/lockdep.c:154 (discriminator 6) kernel/locking/lockdep.c:150 (discriminator 6) kernel/locking/lockdep.c:202 (discriminator 6) kernel/locking/lockdep.c:577 (discriminator 6))
[   16.726223][  T282]  ? find_held_lock (kernel/locking/lockdep.c:5360)
[   16.726227][  T282]  _printk (kernel/printk/printk.c:2504)
[   16.726230][  T282]  ? snapshot_read.cold (user.c:?)
[   16.726232][  T282]  ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4116 (discriminator 3) kernel/rcu/tree.c:4108 (discriminator 3))
[   16.726235][  T282]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380)
[   16.726238][  T282]  ? validate_chain (kernel/locking/lockdep.c:3817 (discriminator 2) kernel/locking/lockdep.c:3837 (discriminator 2) kernel/locking/lockdep.c:3892 (discriminator 2))
[   16.726240][  T282]  ? netdev_name (./include/linux/netdevice.h:5709 (discriminator 1))
[   16.726244][  T282]  ? __netdev_printk (net/core/dev.c:13148 (discriminator 2))
[   16.726247][  T282]  ? do_setlink.isra.0 (net/core/rtnetlink.c:3246)
[   16.726249][  T282]  netdev_info (net/core/dev.c:13195 (discriminator 3))
[   16.726252][  T282]  ? netdev_notice (net/core/dev.c:13194)
[   16.726254][  T282]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[   16.726258][  T282]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554)
[   16.726260][  T282]  ? mark_held_locks (kernel/locking/lockdep.c:4341)
[   16.726264][  T282]  ? do_setlink.isra.0 (net/core/rtnetlink.c:3246)
[   16.726266][  T282]  netif_change_name.cold (net/core/dev.c:1507 (discriminator 3))
[   16.726270][  T282]  ? is_bpf_text_address (./include/linux/rcupdate.h:319 (discriminator 2) ./include/linux/rcupdate.h:880 (discriminator 2) kernel/bpf/core.c:751 (discriminator 2))
[   16.726276][  T282]  ? netdev_adjacent_rename_links (net/core/dev.c:9598)
[   16.726278][  T282]  ? __kernel_text_address (kernel/extable.c:79)
[   16.726282][  T282]  ? write_profile (profile.c:?)
[   16.726286][  T282]  ? __asan_memset (mm/kasan/shadow.c:84 (discriminator 1))
[   16.726291][  T282]  do_setlink.isra.0 (net/core/rtnetlink.c:3246)
[   16.726296][  T282]  ? stack_trace_save (kernel/stacktrace.c:122 (discriminator 1))
[   16.726298][  T282]  ? rtnl_link_get_size (net/core/rtnetlink.c:747)
[   16.726300][  T282]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:388 kernel/rcu/update.c:380)
[   16.726302][  T282]  ? stack_depot_save_flags (lib/stackdepot.c:609 (discriminator 2) lib/stackdepot.c:676 (discriminator 2))
[   16.726306][  T282]  ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4116 (discriminator 3) kernel/rcu/tree.c:4108 (discriminator 3))
[   16.726308][  T282]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380)
[   16.726310][  T282]  ? validate_chain (kernel/locking/lockdep.c:3817 (discriminator 2) kernel/locking/lockdep.c:3837 (discriminator 2) kernel/locking/lockdep.c:3892 (discriminator 2))
[   16.726313][  T282]  ? kasan_save_stack (mm/kasan/common.c:58)
[   16.726316][  T282]  ? kasan_save_stack (mm/kasan/common.c:57)
[   16.726317][  T282]  ? kasan_save_track (mm/kasan/common.c:78)
[   16.726320][  T282]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   16.726322][  T282]  ? netlink_update_listeners (net/netlink/af_netlink.c:532)
[   16.726325][  T282]  ? ___sys_sendmsg (net/socket.c:2744 net/socket.c:2763)
[   16.726331][  T282]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2))
[   16.726333][  T282]  ? rtnl_newlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:366 net/core/rtnetlink.c:4214)
[   16.726336][  T282]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   16.726338][  T282]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   16.726340][  T282]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   16.726341][  T282]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   16.726343][  T282]  ? trace_contention_end (./include/trace/events/lock.h:121 (discriminator 22))
[   16.726346][  T282]  ? __mutex_lock (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:3188 kernel/locking/mutex.c:89 kernel/locking/mutex.c:134 kernel/locking/mutex.c:649 kernel/locking/mutex.c:821)
[   16.726349][  T282]  ? __mutex_lock (kernel/locking/mutex.c:656 (discriminator 1) kernel/locking/mutex.c:821 (discriminator 1))
[   16.726352][  T282]  ? rtnl_newlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:366 net/core/rtnetlink.c:4214)
[   16.726355][  T282]  ? ww_mutex_lock (kernel/locking/mutex.c:934)
[   16.726357][  T282]  ? nla_get_range_signed (lib/nlattr.c:270)
[   16.726363][  T282]  ? __rtnl_newlink (net/core/rtnetlink.c:4063)
[   16.726369][  T282]  rtnl_newlink (net/core/rtnetlink.c:4215)
[   16.726375][  T282]  ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558)
[   16.726376][  T282]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   16.726381][  T282]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2))
[   16.726384][  T282]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[   16.726386][  T282]  ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558)
[   16.726388][  T282]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554)
[   16.726392][  T282]  ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558)
[   16.726394][  T282]  rtnetlink_rcv_msg (net/core/rtnetlink.c:7132)
[   16.726397][  T282]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   16.726399][  T282]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   16.726403][  T282]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2))
[   16.726406][  T282]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[   16.726409][  T282]  netlink_rcv_skb (net/netlink/af_netlink.c:2556)
[   16.726411][  T282]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   16.726414][  T282]  ? netlink_ack (./include/linux/skbuff.h:2718)
[   16.726421][  T282]  ? netlink_deliver_tap (./include/linux/rcupdate.h:319 (discriminator 2) ./include/linux/rcupdate.h:880 (discriminator 2) ./include/net/netns/generic.h:48 (discriminator 2) net/netlink/af_netlink.c:334 (discriminator 2))
[   16.726422][  T282]  ? netlink_deliver_tap (./include/linux/rcupdate.h:319 (discriminator 2) ./include/linux/rcupdate.h:880 (discriminator 2) net/netlink/af_netlink.c:341 (discriminator 2))
[   16.726427][  T282]  netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[   16.726430][  T282]  ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[   16.726433][  T282]  ? __lock_acquire (kernel/locking/lockdep.c:5251 (discriminator 3))
[   16.726438][  T282]  netlink_sendmsg (net/netlink/af_netlink.c:1900)
[   16.726442][  T282]  ? netlink_unicast (./include/net/net_namespace.h:422 (discriminator 7))
[   16.726443][  T282]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554)
[   16.726446][  T282]  ? __might_fault (mm/memory.c:7482 (discriminator 5))
[   16.726450][  T282]  ? __might_fault (mm/memory.c:7482 (discriminator 5))
[   16.726454][  T282]  ____sys_sendmsg (net/socket.c:800 (discriminator 4) net/socket.c:815 (discriminator 4) net/socket.c:2713 (discriminator 4))
[   16.726457][  T282]  ? copy_msghdr_from_user (net/socket.c:2650)
[   16.726466][  T282]  ? get_timestamp.constprop.0 (./include/linux/netdevice.h:5399)
[   16.726468][  T282]  ? move_addr_to_kernel (./include/linux/audit.h:354 (discriminator 1))
[   16.726475][  T282]  ___sys_sendmsg (net/socket.c:2767)
[   16.726478][  T282]  ? copy_msghdr_from_user (net/socket.c:2619)
[   16.726495][  T282]  __sys_sendmsg (net/socket.c:2799)
[   16.726498][  T282]  ? __sys_sendmsg_sock (net/socket.c:2780)
[   16.726505][  T282]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   16.726508][  T282]  do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84)
[   16.726511][  T282]  ? exc_page_fault (arch/x86/mm/fault.c:1489 (discriminator 3) arch/x86/mm/fault.c:1536 (discriminator 3))
[   16.726514][  T282]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[   16.726517][  T282] RIP: 0033:0x7f376d1ff54e
[   16.726521][  T282] Code: 4d 89 d8 e8 b4 bd 00 00 4c 8b 5d f8 41 8b 93 08 03 00 00 59 5e 48 83 f8 fc 74 11 c9 c3 0f 1f 80 00 00 00 00 48 8b 45 10 0f 05 <c9> c3 83 e2 39 83 fa 08 75 e7 e8 03 ff ff ff 0f 1f 00 f3 0f 1e fa
All code
========
   0:	4d 89 d8             	mov    %r11,%r8
   3:	e8 b4 bd 00 00       	call   0xbdbc
   8:	4c 8b 5d f8          	mov    -0x8(%rbp),%r11
   c:	41 8b 93 08 03 00 00 	mov    0x308(%r11),%edx
  13:	59                   	pop    %rcx
  14:	5e                   	pop    %rsi
  15:	48 83 f8 fc          	cmp    $0xfffffffffffffffc,%rax
  19:	74 11                	je     0x2c
  1b:	c9                   	leave
  1c:	c3                   	ret
  1d:	0f 1f 80 00 00 00 00 	nopl   0x0(%rax)
  24:	48 8b 45 10          	mov    0x10(%rbp),%rax
  28:	0f 05                	syscall
  2a:*	c9                   	leave		<-- trapping instruction
  2b:	c3                   	ret
  2c:	83 e2 39             	and    $0x39,%edx
  2f:	83 fa 08             	cmp    $0x8,%edx
  32:	75 e7                	jne    0x1b
  34:	e8 03 ff ff ff       	call   0xffffffffffffff3c
  39:	0f 1f 00             	nopl   (%rax)
  3c:	f3 0f 1e fa          	endbr64

Code starting with the faulting instruction
===========================================
   0:	c9                   	leave
   1:	c3                   	ret
   2:	83 e2 39             	and    $0x39,%edx
   5:	83 fa 08             	cmp    $0x8,%edx
   8:	75 e7                	jne    0xfffffffffffffff1
   a:	e8 03 ff ff ff       	call   0xffffffffffffff12
   f:	0f 1f 00             	nopl   (%rax)
  12:	f3 0f 1e fa          	endbr64
[   16.726523][  T282] RSP: 002b:00007fff751549a0 EFLAGS: 00000202 ORIG_RAX: 000000000000002e
[   16.726525][  T282] RAX: ffffffffffffffda RBX: 0000000000000003 RCX: 00007f376d1ff54e
[   16.726527][  T282] RDX: 0000000000000000 RSI: 00007fff75154a50 RDI: 0000000000000005
[   16.726528][  T282] RBP: 00007fff751549b0 R08: 0000000000000000 R09: 0000000000000000
[   16.726528][  T282] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a90d794
[   16.726529][  T282] R13: 00000000004a1620 R14: 0000000000000000 R15: 00007fff75155120
| [   17.753167][  T290] softirqs last disabled at (19702): netif_change_name (./include/linux/spinlock.h:353 ./include/linux/seqlock.h:908 net/core/dev.c:1499)
| [   17.753169][  T290] Preemption disabled at:
| [   17.753170][  T290] vprintk_emit (kernel/printk/printk.c:2471)
| [   17.753179][  T290] Tainted: [W]=WARN
[   17.753180][  T290] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   17.753182][  T290] Call Trace:
[   17.753183][  T290]  <TASK>
[   17.753185][  T290]  dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120)
[   17.753191][  T290]  ? vprintk_emit (kernel/printk/printk.c:2471)
[   17.753193][  T290]  __might_resched.cold (kernel/sched/core.c:9234)
[   17.753197][  T290]  ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3))
[   17.753201][  T290]  ? __kmalloc_noprof (./include/linux/sched/mm.h:317 mm/slub.c:4636 mm/slub.c:4974 mm/slub.c:5413 mm/slub.c:5439)
[   17.753206][  T290]  __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))
[   17.753209][  T290]  ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[   17.753215][  T290]  ? 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)
[   17.753219][  T290]  alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[   17.753222][  T290]  put_chars (drivers/char/virtio_console.c:1176)
[   17.753225][  T290]  ? __send_to_port (drivers/char/virtio_console.c:654)
[   17.753229][  T290]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380)
[   17.753233][  T290]  ? validate_chain (kernel/locking/lockdep.c:3817 (discriminator 2) kernel/locking/lockdep.c:3837 (discriminator 2) kernel/locking/lockdep.c:3892 (discriminator 2))
[   17.753238][  T290]  hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2))
[   17.753243][  T290]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   17.753245][  T290]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   17.753250][  T290]  ? hvc_write (drivers/tty/hvc/hvc_console.c:501)
[   17.753254][  T290]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   17.753256][  T290]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   17.753261][  T290]  console_emit_next_record (kernel/printk/printk.c:3183)
[   17.753264][  T290]  ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20)
[   17.753266][  T290]  ? 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))
[   17.753268][  T290]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   17.753270][  T290]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   17.753275][  T290]  console_flush_one_record (kernel/printk/printk.c:3268)
[   17.753278][  T290]  ? console_emit_next_record (kernel/printk/printk.c:3150)
[   17.753280][  T290]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   17.753285][  T290]  console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420)
[   17.753288][  T290]  ? console_flush_one_record (kernel/printk/printk.c:3316)
[   17.753289][  T290]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   17.753291][  T290]  ? lock_acquire (kernel/locking/lockdep.c:5913)
[   17.753295][  T290]  ? __down_trylock_console_sem (kernel/printk/printk.c:334)
[   17.753297][  T290]  ? vprintk_emit (kernel/printk/printk.c:2478)
[   17.753300][  T290]  vprintk_emit (kernel/printk/printk.c:2479)
[   17.753303][  T290]  ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126))
[   17.753305][  T290]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   17.753308][  T290]  ? save_trace (kernel/locking/lockdep.c:154 (discriminator 6) kernel/locking/lockdep.c:150 (discriminator 6) kernel/locking/lockdep.c:202 (discriminator 6) kernel/locking/lockdep.c:577 (discriminator 6))
[   17.753310][  T290]  ? find_held_lock (kernel/locking/lockdep.c:5360)
[   17.753314][  T290]  _printk (kernel/printk/printk.c:2504)
[   17.753317][  T290]  ? snapshot_read.cold (user.c:?)
[   17.753319][  T290]  ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4116 (discriminator 3) kernel/rcu/tree.c:4108 (discriminator 3))
[   17.753322][  T290]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380)
[   17.753324][  T290]  ? validate_chain (kernel/locking/lockdep.c:3817 (discriminator 2) kernel/locking/lockdep.c:3837 (discriminator 2) kernel/locking/lockdep.c:3892 (discriminator 2))
[   17.753327][  T290]  ? netdev_name (./include/linux/netdevice.h:5709 (discriminator 1))
[   17.753330][  T290]  ? __netdev_printk (net/core/dev.c:13148 (discriminator 2))
[   17.753333][  T290]  ? do_setlink.isra.0 (net/core/rtnetlink.c:3246)
[   17.753335][  T290]  netdev_info (net/core/dev.c:13195 (discriminator 3))
[   17.753338][  T290]  ? netdev_notice (net/core/dev.c:13194)
[   17.753341][  T290]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[   17.753344][  T290]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554)
[   17.753347][  T290]  ? mark_held_locks (kernel/locking/lockdep.c:4341)
[   17.753350][  T290]  ? do_setlink.isra.0 (net/core/rtnetlink.c:3246)
[   17.753353][  T290]  netif_change_name.cold (net/core/dev.c:1507 (discriminator 3))
[   17.753356][  T290]  ? 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))
[   17.753362][  T290]  ? netdev_adjacent_rename_links (net/core/dev.c:9598)
[   17.753365][  T290]  ? __kernel_text_address (kernel/extable.c:79)
[   17.753368][  T290]  ? write_profile (profile.c:?)
[   17.753372][  T290]  ? __asan_memset (mm/kasan/shadow.c:84 (discriminator 1))
[   17.753377][  T290]  do_setlink.isra.0 (net/core/rtnetlink.c:3246)
[   17.753382][  T290]  ? stack_trace_save (kernel/stacktrace.c:122 (discriminator 1))
[   17.753384][  T290]  ? rtnl_link_get_size (net/core/rtnetlink.c:747)
[   17.753386][  T290]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:388 kernel/rcu/update.c:380)
[   17.753388][  T290]  ? stack_depot_save_flags (lib/stackdepot.c:609 (discriminator 2) lib/stackdepot.c:676 (discriminator 2))
[   17.753392][  T290]  ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4116 (discriminator 3) kernel/rcu/tree.c:4108 (discriminator 3))
[   17.753394][  T290]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380)
[   17.753396][  T290]  ? validate_chain (kernel/locking/lockdep.c:3817 (discriminator 2) kernel/locking/lockdep.c:3837 (discriminator 2) kernel/locking/lockdep.c:3892 (discriminator 2))
[   17.753399][  T290]  ? kasan_save_stack (mm/kasan/common.c:58)
[   17.753402][  T290]  ? kasan_save_stack (mm/kasan/common.c:57)
[   17.753403][  T290]  ? kasan_save_track (mm/kasan/common.c:78)
[   17.753406][  T290]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   17.753409][  T290]  ? netlink_update_listeners (net/netlink/af_netlink.c:532)
[   17.753412][  T290]  ? ___sys_sendmsg (net/socket.c:2744 net/socket.c:2763)
[   17.753417][  T290]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2))
[   17.753419][  T290]  ? rtnl_newlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:366 net/core/rtnetlink.c:4214)
[   17.753422][  T290]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   17.753424][  T290]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   17.753426][  T290]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   17.753427][  T290]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   17.753429][  T290]  ? trace_contention_end (./include/trace/events/lock.h:121 (discriminator 22))
[   17.753432][  T290]  ? __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)
[   17.753435][  T290]  ? __mutex_lock (kernel/locking/mutex.c:656 (discriminator 1) kernel/locking/mutex.c:821 (discriminator 1))
[   17.753438][  T290]  ? rtnl_newlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:366 net/core/rtnetlink.c:4214)
[   17.753441][  T290]  ? ww_mutex_lock (kernel/locking/mutex.c:934)
[   17.753443][  T290]  ? nla_get_range_signed (lib/nlattr.c:270)
[   17.753449][  T290]  ? __rtnl_newlink (net/core/rtnetlink.c:4063)
[   17.753454][  T290]  rtnl_newlink (net/core/rtnetlink.c:4215)
[   17.753460][  T290]  ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558)
[   17.753462][  T290]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   17.753473][  T290]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2))
[   17.753475][  T290]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[   17.753477][  T290]  ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558)
[   17.753479][  T290]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554)
[   17.753483][  T290]  ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558)
[   17.753485][  T290]  rtnetlink_rcv_msg (net/core/rtnetlink.c:7132)
[   17.753488][  T290]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   17.753490][  T290]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   17.753495][  T290]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2))
[   17.753497][  T290]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[   17.753500][  T290]  netlink_rcv_skb (net/netlink/af_netlink.c:2556)
[   17.753502][  T290]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   17.753505][  T290]  ? netlink_ack (./include/linux/skbuff.h:2718)
[   17.753512][  T290]  ? 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))
[   17.753513][  T290]  ? 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))
[   17.753518][  T290]  netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[   17.753522][  T290]  ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[   17.753524][  T290]  ? __lock_acquire (kernel/locking/lockdep.c:5251 (discriminator 3))
[   17.753529][  T290]  netlink_sendmsg (net/netlink/af_netlink.c:1900)
[   17.753533][  T290]  ? netlink_unicast (./include/net/net_namespace.h:422 (discriminator 7))
[   17.753534][  T290]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554)
[   17.753537][  T290]  ? __might_fault (mm/memory.c:7482 (discriminator 5))
[   17.753541][  T290]  ? __might_fault (mm/memory.c:7482 (discriminator 5))
[   17.753545][  T290]  ____sys_sendmsg (net/socket.c:800 (discriminator 4) net/socket.c:815 (discriminator 4) net/socket.c:2713 (discriminator 4))
[   17.753548][  T290]  ? copy_msghdr_from_user (net/socket.c:2650)
[   17.753550][  T290]  ? get_timestamp.constprop.0 (./include/linux/netdevice.h:5399)
[   17.753552][  T290]  ? move_addr_to_kernel (./include/linux/audit.h:354 (discriminator 1))
[   17.753559][  T290]  ___sys_sendmsg (net/socket.c:2767)
[   17.753562][  T290]  ? copy_msghdr_from_user (net/socket.c:2619)
[   17.753578][  T290]  __sys_sendmsg (net/socket.c:2799)
[   17.753581][  T290]  ? __sys_sendmsg_sock (net/socket.c:2780)
[   17.753588][  T290]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   17.753591][  T290]  do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84)
[   17.753594][  T290]  ? exc_page_fault (arch/x86/mm/fault.c:1489 (discriminator 3) arch/x86/mm/fault.c:1536 (discriminator 3))
[   17.753597][  T290]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[   17.753599][  T290] RIP: 0033:0x7fe32f4e554e
[   17.753603][  T290] 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
[   17.753605][  T290] RSP: 002b:00007ffedc640410 EFLAGS: 00000202 ORIG_RAX: 000000000000002e
[   17.753608][  T290] RAX: ffffffffffffffda RBX: 0000000000000003 RCX: 00007fe32f4e554e
[   17.753609][  T290] RDX: 0000000000000000 RSI: 00007ffedc6404c0 RDI: 0000000000000005
[   17.753610][  T290] RBP: 00007ffedc640420 R08: 0000000000000000 R09: 0000000000000000
[   17.753611][  T290] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a90d795
[   17.753612][  T290] R13: 00000000004a1620 R14: 0000000000000000 R15: 00007ffedc640b90
| [   18.859860][  T297] softirqs last disabled at (21852): netif_change_name (./include/linux/spinlock.h:353 ./include/linux/seqlock.h:908 net/core/dev.c:1499)
| [   18.859863][  T297] Preemption disabled at:
| [   18.859864][  T297] vprintk_emit (kernel/printk/printk.c:2471)
| [   18.859872][  T297] Tainted: [W]=WARN
[   18.859873][  T297] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   18.859875][  T297] Call Trace:
[   18.859877][  T297]  <TASK>
[   18.859878][  T297]  dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120)
[   18.859884][  T297]  ? vprintk_emit (kernel/printk/printk.c:2471)
[   18.859885][  T297]  __might_resched.cold (kernel/sched/core.c:9234)
[   18.859890][  T297]  ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3))
[   18.859894][  T297]  ? __kmalloc_noprof (./include/linux/sched/mm.h:317 mm/slub.c:4636 mm/slub.c:4974 mm/slub.c:5413 mm/slub.c:5439)
[   18.859899][  T297]  __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))
[   18.859901][  T297]  ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[   18.859907][  T297]  ? 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)
[   18.859910][  T297]  alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[   18.859914][  T297]  put_chars (drivers/char/virtio_console.c:1176)
[   18.859917][  T297]  ? __send_to_port (drivers/char/virtio_console.c:654)
[   18.859920][  T297]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380)
[   18.859924][  T297]  ? validate_chain (kernel/locking/lockdep.c:3817 (discriminator 2) kernel/locking/lockdep.c:3837 (discriminator 2) kernel/locking/lockdep.c:3892 (discriminator 2))
[   18.859928][  T297]  hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2))
[   18.859932][  T297]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   18.859934][  T297]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   18.859938][  T297]  ? hvc_write (drivers/tty/hvc/hvc_console.c:501)
[   18.859942][  T297]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   18.859944][  T297]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   18.859948][  T297]  console_emit_next_record (kernel/printk/printk.c:3183)
[   18.859952][  T297]  ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20)
[   18.859953][  T297]  ? 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))
[   18.859956][  T297]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   18.859957][  T297]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   18.859962][  T297]  console_flush_one_record (kernel/printk/printk.c:3268)
[   18.859965][  T297]  ? console_emit_next_record (kernel/printk/printk.c:3150)
[   18.859967][  T297]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   18.859972][  T297]  console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420)
[   18.859974][  T297]  ? console_flush_one_record (kernel/printk/printk.c:3316)
[   18.859976][  T297]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   18.859977][  T297]  ? lock_acquire (kernel/locking/lockdep.c:5913)
[   18.859981][  T297]  ? __down_trylock_console_sem (kernel/printk/printk.c:334)
[   18.859983][  T297]  ? vprintk_emit (kernel/printk/printk.c:2478)
[   18.859986][  T297]  vprintk_emit (kernel/printk/printk.c:2479)
[   18.859989][  T297]  ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126))
[   18.859991][  T297]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   18.859993][  T297]  ? save_trace (kernel/locking/lockdep.c:154 (discriminator 6) kernel/locking/lockdep.c:150 (discriminator 6) kernel/locking/lockdep.c:202 (discriminator 6) kernel/locking/lockdep.c:577 (discriminator 6))
[   18.859995][  T297]  ? find_held_lock (kernel/locking/lockdep.c:5360)
[   18.860000][  T297]  _printk (kernel/printk/printk.c:2504)
[   18.860003][  T297]  ? snapshot_read.cold (user.c:?)
[   18.860005][  T297]  ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4116 (discriminator 3) kernel/rcu/tree.c:4108 (discriminator 3))
[   18.860008][  T297]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380)
[   18.860009][  T297]  ? validate_chain (kernel/locking/lockdep.c:3817 (discriminator 2) kernel/locking/lockdep.c:3837 (discriminator 2) kernel/locking/lockdep.c:3892 (discriminator 2))
[   18.860012][  T297]  ? netdev_name (./include/linux/netdevice.h:5709 (discriminator 1))
[   18.860015][  T297]  ? __netdev_printk (net/core/dev.c:13148 (discriminator 2))
[   18.860018][  T297]  ? do_setlink.isra.0 (net/core/rtnetlink.c:3246)
[   18.860020][  T297]  netdev_info (net/core/dev.c:13195 (discriminator 3))
[   18.860022][  T297]  ? netdev_notice (net/core/dev.c:13194)
[   18.860025][  T297]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[   18.860028][  T297]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554)
[   18.860030][  T297]  ? mark_held_locks (kernel/locking/lockdep.c:4341)
[   18.860034][  T297]  ? do_setlink.isra.0 (net/core/rtnetlink.c:3246)
[   18.860036][  T297]  netif_change_name.cold (net/core/dev.c:1507 (discriminator 3))
[   18.860040][  T297]  ? 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))
[   18.860046][  T297]  ? netdev_adjacent_rename_links (net/core/dev.c:9598)
[   18.860048][  T297]  ? __kernel_text_address (kernel/extable.c:79)
[   18.860051][  T297]  ? write_profile (profile.c:?)
[   18.860055][  T297]  ? __asan_memset (mm/kasan/shadow.c:84 (discriminator 1))
[   18.860060][  T297]  do_setlink.isra.0 (net/core/rtnetlink.c:3246)
[   18.860065][  T297]  ? stack_trace_save (kernel/stacktrace.c:122 (discriminator 1))
[   18.860067][  T297]  ? rtnl_link_get_size (net/core/rtnetlink.c:747)
[   18.860068][  T297]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:388 kernel/rcu/update.c:380)
[   18.860070][  T297]  ? stack_depot_save_flags (lib/stackdepot.c:609 (discriminator 2) lib/stackdepot.c:676 (discriminator 2))
[   18.860074][  T297]  ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4116 (discriminator 3) kernel/rcu/tree.c:4108 (discriminator 3))
[   18.860076][  T297]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380)
[   18.860078][  T297]  ? validate_chain (kernel/locking/lockdep.c:3817 (discriminator 2) kernel/locking/lockdep.c:3837 (discriminator 2) kernel/locking/lockdep.c:3892 (discriminator 2))
[   18.860081][  T297]  ? kasan_save_stack (mm/kasan/common.c:58)
[   18.860084][  T297]  ? kasan_save_stack (mm/kasan/common.c:57)
[   18.860086][  T297]  ? kasan_save_track (mm/kasan/common.c:78)
[   18.860088][  T297]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   18.860090][  T297]  ? netlink_update_listeners (net/netlink/af_netlink.c:532)
[   18.860093][  T297]  ? ___sys_sendmsg (net/socket.c:2744 net/socket.c:2763)
[   18.860099][  T297]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2))
[   18.860101][  T297]  ? rtnl_newlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:366 net/core/rtnetlink.c:4214)
[   18.860103][  T297]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   18.860105][  T297]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   18.860107][  T297]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   18.860108][  T297]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   18.860110][  T297]  ? trace_contention_end (./include/trace/events/lock.h:121 (discriminator 22))
[   18.860112][  T297]  ? __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)
[   18.860116][  T297]  ? __mutex_lock (kernel/locking/mutex.c:656 (discriminator 1) kernel/locking/mutex.c:821 (discriminator 1))
[   18.860118][  T297]  ? rtnl_newlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:366 net/core/rtnetlink.c:4214)
[   18.860121][  T297]  ? ww_mutex_lock (kernel/locking/mutex.c:934)
[   18.860123][  T297]  ? nla_get_range_signed (lib/nlattr.c:270)
[   18.860129][  T297]  ? __rtnl_newlink (net/core/rtnetlink.c:4063)
[   18.860134][  T297]  rtnl_newlink (net/core/rtnetlink.c:4215)
[   18.860140][  T297]  ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558)
[   18.860141][  T297]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   18.860146][  T297]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2))
[   18.860148][  T297]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[   18.860150][  T297]  ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558)
[   18.860152][  T297]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554)
[   18.860156][  T297]  ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558)
[   18.860158][  T297]  rtnetlink_rcv_msg (net/core/rtnetlink.c:7132)
[   18.860161][  T297]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   18.860162][  T297]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   18.860167][  T297]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2))
[   18.860169][  T297]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[   18.860172][  T297]  netlink_rcv_skb (net/netlink/af_netlink.c:2556)
[   18.860174][  T297]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   18.860177][  T297]  ? netlink_ack (./include/linux/skbuff.h:2718)
[   18.860183][  T297]  ? 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))
[   18.860184][  T297]  ? 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))
[   18.860189][  T297]  netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[   18.860192][  T297]  ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[   18.860195][  T297]  ? __lock_acquire (kernel/locking/lockdep.c:5251 (discriminator 3))
[   18.860199][  T297]  netlink_sendmsg (net/netlink/af_netlink.c:1900)
[   18.860203][  T297]  ? netlink_unicast (./include/net/net_namespace.h:422 (discriminator 7))
[   18.860205][  T297]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554)
[   18.860208][  T297]  ? __might_fault (mm/memory.c:7482 (discriminator 5))
[   18.860211][  T297]  ? __might_fault (mm/memory.c:7482 (discriminator 5))
[   18.860215][  T297]  ____sys_sendmsg (net/socket.c:800 (discriminator 4) net/socket.c:815 (discriminator 4) net/socket.c:2713 (discriminator 4))
[   18.860218][  T297]  ? copy_msghdr_from_user (net/socket.c:2650)
[   18.860220][  T297]  ? get_timestamp.constprop.0 (./include/linux/netdevice.h:5399)
[   18.860221][  T297]  ? move_addr_to_kernel (./include/linux/audit.h:354 (discriminator 1))
[   18.860229][  T297]  ___sys_sendmsg (net/socket.c:2767)
[   18.860231][  T297]  ? copy_msghdr_from_user (net/socket.c:2619)
[   18.860251][  T297]  __sys_sendmsg (net/socket.c:2799)
[   18.860254][  T297]  ? __sys_sendmsg_sock (net/socket.c:2780)
[   18.860261][  T297]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   18.860264][  T297]  do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84)
[   18.860266][  T297]  ? exc_page_fault (arch/x86/mm/fault.c:1489 (discriminator 3) arch/x86/mm/fault.c:1536 (discriminator 3))
[   18.860269][  T297]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[   18.860272][  T297] RIP: 0033:0x7f7a5771454e
[   18.860276][  T297] 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
[   18.860277][  T297] RSP: 002b:00007ffdfbc36940 EFLAGS: 00000202 ORIG_RAX: 000000000000002e
[   18.860280][  T297] RAX: ffffffffffffffda RBX: 0000000000000003 RCX: 00007f7a5771454e
[   18.860281][  T297] RDX: 0000000000000000 RSI: 00007ffdfbc369f0 RDI: 0000000000000005
[   18.860282][  T297] RBP: 00007ffdfbc36950 R08: 0000000000000000 R09: 0000000000000000
[   18.860283][  T297] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a90d796
[   18.860284][  T297] R13: 00000000004a1620 R14: 0000000000000000 R15: 00007ffdfbc370c0
| [   19.913831][  T304] softirqs last disabled at (31588): netif_change_name (./include/linux/spinlock.h:353 ./include/linux/seqlock.h:908 net/core/dev.c:1499)
| [   19.913834][  T304] Preemption disabled at:
| [   19.913834][  T304] vprintk_emit (kernel/printk/printk.c:2471)
| [   19.913843][  T304] Tainted: [W]=WARN
[   19.913844][  T304] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   19.913846][  T304] Call Trace:
[   19.913848][  T304]  <TASK>
[   19.913849][  T304]  dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120)
[   19.913855][  T304]  ? vprintk_emit (kernel/printk/printk.c:2471)
[   19.913857][  T304]  __might_resched.cold (kernel/sched/core.c:9234)
[   19.913861][  T304]  ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3))
[   19.913864][  T304]  ? __kmalloc_noprof (./include/linux/sched/mm.h:317 mm/slub.c:4636 mm/slub.c:4974 mm/slub.c:5413 mm/slub.c:5439)
[   19.913870][  T304]  __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))
[   19.913872][  T304]  ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[   19.913879][  T304]  ? 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)
[   19.913882][  T304]  alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[   19.913885][  T304]  put_chars (drivers/char/virtio_console.c:1176)
[   19.913888][  T304]  ? __send_to_port (drivers/char/virtio_console.c:654)
[   19.913892][  T304]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380)
[   19.913895][  T304]  ? validate_chain (kernel/locking/lockdep.c:3817 (discriminator 2) kernel/locking/lockdep.c:3837 (discriminator 2) kernel/locking/lockdep.c:3892 (discriminator 2))
[   19.913900][  T304]  hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2))
[   19.913904][  T304]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   19.913906][  T304]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   19.913911][  T304]  ? hvc_write (drivers/tty/hvc/hvc_console.c:501)
[   19.913914][  T304]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   19.913917][  T304]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   19.913921][  T304]  console_emit_next_record (kernel/printk/printk.c:3183)
[   19.913925][  T304]  ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20)
[   19.913926][  T304]  ? 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))
[   19.913929][  T304]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   19.913931][  T304]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   19.913935][  T304]  console_flush_one_record (kernel/printk/printk.c:3268)
[   19.913939][  T304]  ? console_emit_next_record (kernel/printk/printk.c:3150)
[   19.913940][  T304]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   19.913946][  T304]  console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420)
[   19.913949][  T304]  ? console_flush_one_record (kernel/printk/printk.c:3316)
[   19.913950][  T304]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   19.913952][  T304]  ? lock_acquire (kernel/locking/lockdep.c:5913)
[   19.913956][  T304]  ? __down_trylock_console_sem (kernel/printk/printk.c:334)
[   19.913958][  T304]  ? vprintk_emit (kernel/printk/printk.c:2478)
[   19.913961][  T304]  vprintk_emit (kernel/printk/printk.c:2479)
[   19.913964][  T304]  ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126))
[   19.913966][  T304]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   19.913968][  T304]  ? save_trace (kernel/locking/lockdep.c:154 (discriminator 6) kernel/locking/lockdep.c:150 (discriminator 6) kernel/locking/lockdep.c:202 (discriminator 6) kernel/locking/lockdep.c:577 (discriminator 6))
[   19.913970][  T304]  ? find_held_lock (kernel/locking/lockdep.c:5360)
[   19.913975][  T304]  _printk (kernel/printk/printk.c:2504)
[   19.913978][  T304]  ? snapshot_read.cold (user.c:?)
[   19.913980][  T304]  ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4116 (discriminator 3) kernel/rcu/tree.c:4108 (discriminator 3))
[   19.913983][  T304]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380)
[   19.913985][  T304]  ? validate_chain (kernel/locking/lockdep.c:3817 (discriminator 2) kernel/locking/lockdep.c:3837 (discriminator 2) kernel/locking/lockdep.c:3892 (discriminator 2))
[   19.913987][  T304]  ? netdev_name (./include/linux/netdevice.h:5709 (discriminator 1))
[   19.913991][  T304]  ? __netdev_printk (net/core/dev.c:13148 (discriminator 2))
[   19.913993][  T304]  ? do_setlink.isra.0 (net/core/rtnetlink.c:3246)
[   19.913996][  T304]  netdev_info (net/core/dev.c:13195 (discriminator 3))
[   19.913998][  T304]  ? netdev_notice (net/core/dev.c:13194)
[   19.914001][  T304]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[   19.914004][  T304]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554)
[   19.914007][  T304]  ? mark_held_locks (kernel/locking/lockdep.c:4341)
[   19.914011][  T304]  ? do_setlink.isra.0 (net/core/rtnetlink.c:3246)
[   19.914013][  T304]  netif_change_name.cold (net/core/dev.c:1507 (discriminator 3))
[   19.914017][  T304]  ? 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))
[   19.914023][  T304]  ? netdev_adjacent_rename_links (net/core/dev.c:9598)
[   19.914026][  T304]  ? __kernel_text_address (kernel/extable.c:79)
[   19.914029][  T304]  ? write_profile (profile.c:?)
[   19.914033][  T304]  ? __asan_memset (mm/kasan/shadow.c:84 (discriminator 1))
[   19.914038][  T304]  do_setlink.isra.0 (net/core/rtnetlink.c:3246)
[   19.914043][  T304]  ? stack_trace_save (kernel/stacktrace.c:122 (discriminator 1))
[   19.914046][  T304]  ? rtnl_link_get_size (net/core/rtnetlink.c:747)
[   19.914047][  T304]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:388 kernel/rcu/update.c:380)
[   19.914049][  T304]  ? stack_depot_save_flags (lib/stackdepot.c:609 (discriminator 2) lib/stackdepot.c:676 (discriminator 2))
[   19.914053][  T304]  ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4116 (discriminator 3) kernel/rcu/tree.c:4108 (discriminator 3))
[   19.914055][  T304]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380)
[   19.914057][  T304]  ? validate_chain (kernel/locking/lockdep.c:3817 (discriminator 2) kernel/locking/lockdep.c:3837 (discriminator 2) kernel/locking/lockdep.c:3892 (discriminator 2))
[   19.914060][  T304]  ? kasan_save_stack (mm/kasan/common.c:58)
[   19.914063][  T304]  ? kasan_save_stack (mm/kasan/common.c:57)
[   19.914065][  T304]  ? kasan_save_track (mm/kasan/common.c:78)
[   19.914068][  T304]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   19.914070][  T304]  ? netlink_update_listeners (net/netlink/af_netlink.c:532)
[   19.914073][  T304]  ? ___sys_sendmsg (net/socket.c:2744 net/socket.c:2763)
[   19.914079][  T304]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2))
[   19.914081][  T304]  ? rtnl_newlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:366 net/core/rtnetlink.c:4214)
[   19.914083][  T304]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   19.914085][  T304]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   19.914087][  T304]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   19.914088][  T304]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   19.914090][  T304]  ? trace_contention_end (./include/trace/events/lock.h:121 (discriminator 22))
[   19.914093][  T304]  ? __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)
[   19.914096][  T304]  ? __mutex_lock (kernel/locking/mutex.c:656 (discriminator 1) kernel/locking/mutex.c:821 (discriminator 1))
[   19.914099][  T304]  ? rtnl_newlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:366 net/core/rtnetlink.c:4214)
[   19.914102][  T304]  ? ww_mutex_lock (kernel/locking/mutex.c:934)
[   19.914104][  T304]  ? nla_get_range_signed (lib/nlattr.c:270)
[   19.914110][  T304]  ? __rtnl_newlink (net/core/rtnetlink.c:4063)
[   19.914116][  T304]  rtnl_newlink (net/core/rtnetlink.c:4215)
[   19.914121][  T304]  ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558)
[   19.914123][  T304]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   19.914128][  T304]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2))
[   19.914130][  T304]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[   19.914132][  T304]  ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558)
[   19.914134][  T304]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554)
[   19.914138][  T304]  ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558)
[   19.914140][  T304]  rtnetlink_rcv_msg (net/core/rtnetlink.c:7132)
[   19.914144][  T304]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   19.914145][  T304]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   19.914150][  T304]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2))
[   19.914152][  T304]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[   19.914156][  T304]  netlink_rcv_skb (net/netlink/af_netlink.c:2556)
[   19.914158][  T304]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   19.914161][  T304]  ? netlink_ack (./include/linux/skbuff.h:2718)
[   19.914168][  T304]  ? 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))
[   19.914169][  T304]  ? 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))
[   19.914174][  T304]  netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[   19.914178][  T304]  ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[   19.914181][  T304]  ? __lock_acquire (kernel/locking/lockdep.c:5251 (discriminator 3))
[   19.914185][  T304]  netlink_sendmsg (net/netlink/af_netlink.c:1900)
[   19.914189][  T304]  ? netlink_unicast (./include/net/net_namespace.h:422 (discriminator 7))
[   19.914191][  T304]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554)
[   19.914194][  T304]  ? __might_fault (mm/memory.c:7482 (discriminator 5))
[   19.914198][  T304]  ? __might_fault (mm/memory.c:7482 (discriminator 5))
[   19.914202][  T304]  ____sys_sendmsg (net/socket.c:800 (discriminator 4) net/socket.c:815 (discriminator 4) net/socket.c:2713 (discriminator 4))
[   19.914204][  T304]  ? copy_msghdr_from_user (net/socket.c:2650)
[   19.914206][  T304]  ? get_timestamp.constprop.0 (./include/linux/netdevice.h:5399)
[   19.914208][  T304]  ? move_addr_to_kernel (./include/linux/audit.h:354 (discriminator 1))
[   19.914216][  T304]  ___sys_sendmsg (net/socket.c:2767)
[   19.914219][  T304]  ? copy_msghdr_from_user (net/socket.c:2619)
[   19.914236][  T304]  __sys_sendmsg (net/socket.c:2799)
[   19.914242][  T304]  ? __sys_sendmsg_sock (net/socket.c:2780)
[   19.914250][  T304]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   19.914253][  T304]  do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84)
[   19.914255][  T304]  ? exc_page_fault (arch/x86/mm/fault.c:1489 (discriminator 3) arch/x86/mm/fault.c:1536 (discriminator 3))
[   19.914259][  T304]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[   19.914261][  T304] RIP: 0033:0x7fa2708aa54e
[   19.914266][  T304] 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
[   19.914267][  T304] RSP: 002b:00007fff28562390 EFLAGS: 00000202 ORIG_RAX: 000000000000002e
[   19.914270][  T304] RAX: ffffffffffffffda RBX: 0000000000000003 RCX: 00007fa2708aa54e
[   19.914271][  T304] RDX: 0000000000000000 RSI: 00007fff28562440 RDI: 0000000000000005
[   19.914272][  T304] RBP: 00007fff285623a0 R08: 0000000000000000 R09: 0000000000000000
[   19.914273][  T304] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a90d797
[   19.914274][  T304] R13: 00000000004a1620 R14: 0000000000000000 R15: 00007fff28562b10
| [   21.025294][  T311] softirqs last disabled at (25194): netif_change_name (./include/linux/spinlock.h:353 ./include/linux/seqlock.h:908 net/core/dev.c:1499)
| [   21.025296][  T311] Preemption disabled at:
| [   21.025297][  T311] vprintk_emit (kernel/printk/printk.c:2471)
| [   21.025306][  T311] Tainted: [W]=WARN
[   21.025307][  T311] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   21.025309][  T311] Call Trace:
[   21.025310][  T311]  <TASK>
[   21.025312][  T311]  dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120)
[   21.025317][  T311]  ? vprintk_emit (kernel/printk/printk.c:2471)
[   21.025319][  T311]  __might_resched.cold (kernel/sched/core.c:9234)
[   21.025324][  T311]  ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3))
[   21.025329][  T311]  ? __kmalloc_noprof (./include/linux/sched/mm.h:317 mm/slub.c:4636 mm/slub.c:4974 mm/slub.c:5413 mm/slub.c:5439)
[   21.025337][  T311]  __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))
[   21.025340][  T311]  ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[   21.025349][  T311]  ? 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)
[   21.025353][  T311]  alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[   21.025358][  T311]  put_chars (drivers/char/virtio_console.c:1176)
[   21.025361][  T311]  ? __send_to_port (drivers/char/virtio_console.c:654)
[   21.025365][  T311]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380)
[   21.025368][  T311]  ? validate_chain (kernel/locking/lockdep.c:3817 (discriminator 2) kernel/locking/lockdep.c:3837 (discriminator 2) kernel/locking/lockdep.c:3892 (discriminator 2))
[   21.025373][  T311]  hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2))
[   21.025377][  T311]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   21.025379][  T311]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   21.025384][  T311]  ? hvc_write (drivers/tty/hvc/hvc_console.c:501)
[   21.025387][  T311]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   21.025390][  T311]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   21.025394][  T311]  console_emit_next_record (kernel/printk/printk.c:3183)
[   21.025398][  T311]  ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20)
[   21.025399][  T311]  ? 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))
[   21.025402][  T311]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   21.025404][  T311]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   21.025408][  T311]  console_flush_one_record (kernel/printk/printk.c:3268)
[   21.025412][  T311]  ? console_emit_next_record (kernel/printk/printk.c:3150)
[   21.025413][  T311]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   21.025419][  T311]  console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420)
[   21.025421][  T311]  ? console_flush_one_record (kernel/printk/printk.c:3316)
[   21.025423][  T311]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   21.025425][  T311]  ? lock_acquire (kernel/locking/lockdep.c:5913)
[   21.025429][  T311]  ? __down_trylock_console_sem (kernel/printk/printk.c:334)
[   21.025431][  T311]  ? vprintk_emit (kernel/printk/printk.c:2478)
[   21.025434][  T311]  vprintk_emit (kernel/printk/printk.c:2479)
[   21.025437][  T311]  ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126))
[   21.025439][  T311]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   21.025441][  T311]  ? save_trace (kernel/locking/lockdep.c:154 (discriminator 6) kernel/locking/lockdep.c:150 (discriminator 6) kernel/locking/lockdep.c:202 (discriminator 6) kernel/locking/lockdep.c:577 (discriminator 6))
[   21.025443][  T311]  ? find_held_lock (kernel/locking/lockdep.c:5360)
[   21.025448][  T311]  _printk (kernel/printk/printk.c:2504)
[   21.025452][  T311]  ? snapshot_read.cold (user.c:?)
[   21.025453][  T311]  ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4116 (discriminator 3) kernel/rcu/tree.c:4108 (discriminator 3))
[   21.025456][  T311]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380)
[   21.025458][  T311]  ? validate_chain (kernel/locking/lockdep.c:3817 (discriminator 2) kernel/locking/lockdep.c:3837 (discriminator 2) kernel/locking/lockdep.c:3892 (discriminator 2))
[   21.025461][  T311]  ? netdev_name (./include/linux/netdevice.h:5709 (discriminator 1))
[   21.025464][  T311]  ? __netdev_printk (net/core/dev.c:13148 (discriminator 2))
[   21.025467][  T311]  ? do_setlink.isra.0 (net/core/rtnetlink.c:3246)
[   21.025469][  T311]  netdev_info (net/core/dev.c:13195 (discriminator 3))
[   21.025472][  T311]  ? netdev_notice (net/core/dev.c:13194)
[   21.025475][  T311]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[   21.025478][  T311]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554)
[   21.025481][  T311]  ? mark_held_locks (kernel/locking/lockdep.c:4341)
[   21.025484][  T311]  ? do_setlink.isra.0 (net/core/rtnetlink.c:3246)
[   21.025486][  T311]  netif_change_name.cold (net/core/dev.c:1507 (discriminator 3))
[   21.025490][  T311]  ? 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))
[   21.025502][  T311]  ? netdev_adjacent_rename_links (net/core/dev.c:9598)
[   21.025505][  T311]  ? __kernel_text_address (kernel/extable.c:79)
[   21.025508][  T311]  ? write_profile (profile.c:?)
[   21.025512][  T311]  ? __asan_memset (mm/kasan/shadow.c:84 (discriminator 1))
[   21.025517][  T311]  do_setlink.isra.0 (net/core/rtnetlink.c:3246)
[   21.025522][  T311]  ? stack_trace_save (kernel/stacktrace.c:122 (discriminator 1))
[   21.025524][  T311]  ? rtnl_link_get_size (net/core/rtnetlink.c:747)
[   21.025526][  T311]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:388 kernel/rcu/update.c:380)
[   21.025528][  T311]  ? stack_depot_save_flags (lib/stackdepot.c:609 (discriminator 2) lib/stackdepot.c:676 (discriminator 2))
[   21.025532][  T311]  ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4116 (discriminator 3) kernel/rcu/tree.c:4108 (discriminator 3))
[   21.025534][  T311]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380)
[   21.025536][  T311]  ? validate_chain (kernel/locking/lockdep.c:3817 (discriminator 2) kernel/locking/lockdep.c:3837 (discriminator 2) kernel/locking/lockdep.c:3892 (discriminator 2))
[   21.025539][  T311]  ? kasan_save_stack (mm/kasan/common.c:58)
[   21.025542][  T311]  ? kasan_save_stack (mm/kasan/common.c:57)
[   21.025544][  T311]  ? kasan_save_track (mm/kasan/common.c:78)
[   21.025547][  T311]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   21.025549][  T311]  ? netlink_update_listeners (net/netlink/af_netlink.c:532)
[   21.025552][  T311]  ? ___sys_sendmsg (net/socket.c:2744 net/socket.c:2763)
[   21.025557][  T311]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2))
[   21.025559][  T311]  ? rtnl_newlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:366 net/core/rtnetlink.c:4214)
[   21.025562][  T311]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   21.025564][  T311]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   21.025566][  T311]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   21.025567][  T311]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   21.025569][  T311]  ? trace_contention_end (./include/trace/events/lock.h:121 (discriminator 22))
[   21.025572][  T311]  ? __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)
[   21.025576][  T311]  ? __mutex_lock (kernel/locking/mutex.c:656 (discriminator 1) kernel/locking/mutex.c:821 (discriminator 1))
[   21.025578][  T311]  ? rtnl_newlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:366 net/core/rtnetlink.c:4214)
[   21.025581][  T311]  ? ww_mutex_lock (kernel/locking/mutex.c:934)
[   21.025583][  T311]  ? nla_get_range_signed (lib/nlattr.c:270)
[   21.025589][  T311]  ? __rtnl_newlink (net/core/rtnetlink.c:4063)
[   21.025594][  T311]  rtnl_newlink (net/core/rtnetlink.c:4215)
[   21.025600][  T311]  ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558)
[   21.025602][  T311]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   21.025607][  T311]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2))
[   21.025609][  T311]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[   21.025611][  T311]  ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558)
[   21.025613][  T311]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554)
[   21.025617][  T311]  ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558)
[   21.025619][  T311]  rtnetlink_rcv_msg (net/core/rtnetlink.c:7132)
[   21.025622][  T311]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   21.025623][  T311]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   21.025628][  T311]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2))
[   21.025630][  T311]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[   21.025634][  T311]  netlink_rcv_skb (net/netlink/af_netlink.c:2556)
[   21.025636][  T311]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   21.025639][  T311]  ? netlink_ack (./include/linux/skbuff.h:2718)
[   21.025645][  T311]  ? 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))
[   21.025647][  T311]  ? 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))
[   21.025652][  T311]  netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[   21.025655][  T311]  ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[   21.025658][  T311]  ? __lock_acquire (kernel/locking/lockdep.c:5251 (discriminator 3))
[   21.025663][  T311]  netlink_sendmsg (net/netlink/af_netlink.c:1900)
[   21.025667][  T311]  ? netlink_unicast (./include/net/net_namespace.h:422 (discriminator 7))
[   21.025668][  T311]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554)
[   21.025671][  T311]  ? __might_fault (mm/memory.c:7482 (discriminator 5))
[   21.025675][  T311]  ? __might_fault (mm/memory.c:7482 (discriminator 5))
[   21.025679][  T311]  ____sys_sendmsg (net/socket.c:800 (discriminator 4) net/socket.c:815 (discriminator 4) net/socket.c:2713 (discriminator 4))
[   21.025682][  T311]  ? copy_msghdr_from_user (net/socket.c:2650)
[   21.025684][  T311]  ? get_timestamp.constprop.0 (./include/linux/netdevice.h:5399)
[   21.025686][  T311]  ? move_addr_to_kernel (./include/linux/audit.h:354 (discriminator 1))
[   21.025693][  T311]  ___sys_sendmsg (net/socket.c:2767)
[   21.025696][  T311]  ? copy_msghdr_from_user (net/socket.c:2619)
[   21.025716][  T311]  __sys_sendmsg (net/socket.c:2799)
[   21.025719][  T311]  ? __sys_sendmsg_sock (net/socket.c:2780)
[   21.025725][  T311]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   21.025729][  T311]  do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84)
[   21.025732][  T311]  ? exc_page_fault (arch/x86/mm/fault.c:1489 (discriminator 3) arch/x86/mm/fault.c:1536 (discriminator 3))
[   21.025735][  T311]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[   21.025737][  T311] RIP: 0033:0x7f9971a1e54e
[   21.025741][  T311] 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
[   21.025743][  T311] RSP: 002b:00007ffe0ffc8e90 EFLAGS: 00000202 ORIG_RAX: 000000000000002e
[   21.025746][  T311] RAX: ffffffffffffffda RBX: 0000000000000003 RCX: 00007f9971a1e54e
[   21.025747][  T311] RDX: 0000000000000000 RSI: 00007ffe0ffc8f40 RDI: 0000000000000005
[   21.025748][  T311] RBP: 00007ffe0ffc8ea0 R08: 0000000000000000 R09: 0000000000000000
[   21.025749][  T311] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a90d798
[   21.025750][  T311] R13: 00000000004a1620 R14: 0000000000000000 R15: 00007ffe0ffc9610
| [   22.099717][  T320] softirqs last disabled at (17696): netif_change_name (./include/linux/spinlock.h:353 ./include/linux/seqlock.h:908 net/core/dev.c:1499)
| [   22.099720][  T320] Preemption disabled at:
| [   22.099721][  T320] vprintk_emit (kernel/printk/printk.c:2471)
| [   22.099729][  T320] Tainted: [W]=WARN
[   22.099731][  T320] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   22.099732][  T320] Call Trace:
[   22.099734][  T320]  <TASK>
[   22.099735][  T320]  dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120)
[   22.099741][  T320]  ? vprintk_emit (kernel/printk/printk.c:2471)
[   22.099743][  T320]  __might_resched.cold (kernel/sched/core.c:9234)
[   22.099748][  T320]  ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3))
[   22.099752][  T320]  ? __kmalloc_noprof (./include/linux/sched/mm.h:317 mm/slub.c:4636 mm/slub.c:4974 mm/slub.c:5413 mm/slub.c:5439)
[   22.099759][  T320]  __kmalloc_noprof (./include/linux/sched/mm.h:322 (discriminator 2) mm/slub.c:4636 (discriminator 2) mm/slub.c:4974 (discriminator 2) mm/slub.c:5413 (discriminator 2) mm/slub.c:5439 (discriminator 2))
[   22.099762][  T320]  ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[   22.099768][  T320]  ? do_raw_spin_unlock (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:32 ./include/asm-generic/qspinlock.h:58 kernel/locking/spinlock_debug.c:101 kernel/locking/spinlock_debug.c:141)
[   22.099771][  T320]  alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[   22.099775][  T320]  put_chars (drivers/char/virtio_console.c:1176)
[   22.099778][  T320]  ? __send_to_port (drivers/char/virtio_console.c:654)
[   22.099781][  T320]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380)
[   22.099785][  T320]  ? validate_chain (kernel/locking/lockdep.c:3817 (discriminator 2) kernel/locking/lockdep.c:3837 (discriminator 2) kernel/locking/lockdep.c:3892 (discriminator 2))
[   22.099790][  T320]  hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2))
[   22.099793][  T320]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   22.099795][  T320]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   22.099800][  T320]  ? hvc_write (drivers/tty/hvc/hvc_console.c:501)
[   22.099803][  T320]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   22.099806][  T320]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   22.099810][  T320]  console_emit_next_record (kernel/printk/printk.c:3183)
[   22.099814][  T320]  ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20)
[   22.099815][  T320]  ? console_flush_one_record (./include/linux/rcupdate.h:314 (discriminator 2) ./include/linux/srcu.h:439 (discriminator 2) kernel/printk/printk.c:291 (discriminator 2) kernel/printk/printk.c:3246 (discriminator 2))
[   22.099818][  T320]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   22.099820][  T320]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   22.099824][  T320]  console_flush_one_record (kernel/printk/printk.c:3268)
[   22.099828][  T320]  ? console_emit_next_record (kernel/printk/printk.c:3150)
[   22.099829][  T320]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   22.099835][  T320]  console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420)
[   22.099837][  T320]  ? console_flush_one_record (kernel/printk/printk.c:3316)
[   22.099838][  T320]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   22.099840][  T320]  ? lock_acquire (kernel/locking/lockdep.c:5913)
[   22.099844][  T320]  ? __down_trylock_console_sem (kernel/printk/printk.c:334)
[   22.099846][  T320]  ? vprintk_emit (kernel/printk/printk.c:2478)
[   22.099849][  T320]  vprintk_emit (kernel/printk/printk.c:2479)
[   22.099853][  T320]  ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126))
[   22.099855][  T320]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   22.099857][  T320]  ? save_trace (kernel/locking/lockdep.c:154 (discriminator 6) kernel/locking/lockdep.c:150 (discriminator 6) kernel/locking/lockdep.c:202 (discriminator 6) kernel/locking/lockdep.c:577 (discriminator 6))
[   22.099859][  T320]  ? find_held_lock (kernel/locking/lockdep.c:5360)
[   22.099863][  T320]  _printk (kernel/printk/printk.c:2504)
[   22.099867][  T320]  ? snapshot_read.cold (user.c:?)
[   22.099869][  T320]  ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4116 (discriminator 3) kernel/rcu/tree.c:4108 (discriminator 3))
[   22.099872][  T320]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380)
[   22.099874][  T320]  ? validate_chain (kernel/locking/lockdep.c:3817 (discriminator 2) kernel/locking/lockdep.c:3837 (discriminator 2) kernel/locking/lockdep.c:3892 (discriminator 2))
[   22.099876][  T320]  ? netdev_name (./include/linux/netdevice.h:5709 (discriminator 1))
[   22.099879][  T320]  ? __netdev_printk (net/core/dev.c:13148 (discriminator 2))
[   22.099882][  T320]  ? do_setlink.isra.0 (net/core/rtnetlink.c:3246)
[   22.099884][  T320]  netdev_info (net/core/dev.c:13195 (discriminator 3))
[   22.099887][  T320]  ? netdev_notice (net/core/dev.c:13194)
[   22.099890][  T320]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[   22.099893][  T320]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554)
[   22.099896][  T320]  ? mark_held_locks (kernel/locking/lockdep.c:4341)
[   22.099899][  T320]  ? do_setlink.isra.0 (net/core/rtnetlink.c:3246)
[   22.099901][  T320]  netif_change_name.cold (net/core/dev.c:1507 (discriminator 3))
[   22.099905][  T320]  ? is_bpf_text_address (./include/linux/rcupdate.h:319 (discriminator 2) ./include/linux/rcupdate.h:880 (discriminator 2) kernel/bpf/core.c:751 (discriminator 2))
[   22.099911][  T320]  ? netdev_adjacent_rename_links (net/core/dev.c:9598)
[   22.099914][  T320]  ? __kernel_text_address (kernel/extable.c:79)
[   22.099917][  T320]  ? write_profile (profile.c:?)
[   22.099921][  T320]  ? __asan_memset (mm/kasan/shadow.c:84 (discriminator 1))
[   22.099926][  T320]  do_setlink.isra.0 (net/core/rtnetlink.c:3246)
[   22.099932][  T320]  ? stack_trace_save (kernel/stacktrace.c:122 (discriminator 1))
[   22.099935][  T320]  ? rtnl_link_get_size (net/core/rtnetlink.c:747)
[   22.099937][  T320]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:388 kernel/rcu/update.c:380)
[   22.099940][  T320]  ? stack_depot_save_flags (lib/stackdepot.c:609 (discriminator 2) lib/stackdepot.c:676 (discriminator 2))
[   22.099945][  T320]  ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4116 (discriminator 3) kernel/rcu/tree.c:4108 (discriminator 3))
[   22.099948][  T320]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380)
[   22.099950][  T320]  ? validate_chain (kernel/locking/lockdep.c:3817 (discriminator 2) kernel/locking/lockdep.c:3837 (discriminator 2) kernel/locking/lockdep.c:3892 (discriminator 2))
[   22.099953][  T320]  ? kasan_save_stack (mm/kasan/common.c:58)
[   22.099956][  T320]  ? kasan_save_stack (mm/kasan/common.c:57)
[   22.099957][  T320]  ? kasan_save_track (mm/kasan/common.c:78)
[   22.099960][  T320]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   22.099963][  T320]  ? netlink_update_listeners (net/netlink/af_netlink.c:532)
[   22.099966][  T320]  ? ___sys_sendmsg (net/socket.c:2744 net/socket.c:2763)
[   22.099971][  T320]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2))
[   22.099973][  T320]  ? rtnl_newlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:366 net/core/rtnetlink.c:4214)
[   22.099976][  T320]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   22.099978][  T320]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   22.099980][  T320]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   22.099981][  T320]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   22.099983][  T320]  ? trace_contention_end (./include/trace/events/lock.h:121 (discriminator 22))
[   22.099986][  T320]  ? __mutex_lock (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:3188 kernel/locking/mutex.c:89 kernel/locking/mutex.c:134 kernel/locking/mutex.c:649 kernel/locking/mutex.c:821)
[   22.099989][  T320]  ? __mutex_lock (kernel/locking/mutex.c:656 (discriminator 1) kernel/locking/mutex.c:821 (discriminator 1))
[   22.099991][  T320]  ? rtnl_newlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:366 net/core/rtnetlink.c:4214)
[   22.099995][  T320]  ? ww_mutex_lock (kernel/locking/mutex.c:934)
[   22.099997][  T320]  ? nla_get_range_signed (lib/nlattr.c:270)
[   22.100003][  T320]  ? __rtnl_newlink (net/core/rtnetlink.c:4063)
[   22.100008][  T320]  rtnl_newlink (net/core/rtnetlink.c:4215)
[   22.100014][  T320]  ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558)
[   22.100016][  T320]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   22.100021][  T320]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2))
[   22.100023][  T320]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[   22.100025][  T320]  ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558)
[   22.100027][  T320]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554)
[   22.100031][  T320]  ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558)
[   22.100033][  T320]  rtnetlink_rcv_msg (net/core/rtnetlink.c:7132)
[   22.100037][  T320]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   22.100038][  T320]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   22.100043][  T320]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2))
[   22.100045][  T320]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[   22.100049][  T320]  netlink_rcv_skb (net/netlink/af_netlink.c:2556)
[   22.100051][  T320]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   22.100054][  T320]  ? netlink_ack (./include/linux/skbuff.h:2718)
[   22.100061][  T320]  ? netlink_deliver_tap (./include/linux/rcupdate.h:319 (discriminator 2) ./include/linux/rcupdate.h:880 (discriminator 2) ./include/net/netns/generic.h:48 (discriminator 2) net/netlink/af_netlink.c:334 (discriminator 2))
[   22.100062][  T320]  ? netlink_deliver_tap (./include/linux/rcupdate.h:319 (discriminator 2) ./include/linux/rcupdate.h:880 (discriminator 2) net/netlink/af_netlink.c:341 (discriminator 2))
[   22.100066][  T320]  netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[   22.100070][  T320]  ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[   22.100073][  T320]  ? __lock_acquire (kernel/locking/lockdep.c:5251 (discriminator 3))
[   22.100078][  T320]  netlink_sendmsg (net/netlink/af_netlink.c:1900)
[   22.100082][  T320]  ? netlink_unicast (./include/net/net_namespace.h:422 (discriminator 7))
[   22.100083][  T320]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554)
[   22.100086][  T320]  ? __might_fault (mm/memory.c:7482 (discriminator 5))
[   22.100090][  T320]  ? __might_fault (mm/memory.c:7482 (discriminator 5))
[   22.100094][  T320]  ____sys_sendmsg (net/socket.c:800 (discriminator 4) net/socket.c:815 (discriminator 4) net/socket.c:2713 (discriminator 4))
[   22.100097][  T320]  ? copy_msghdr_from_user (net/socket.c:2650)
[   22.100099][  T320]  ? get_timestamp.constprop.0 (./include/linux/netdevice.h:5399)
[   22.100101][  T320]  ? move_addr_to_kernel (./include/linux/audit.h:354 (discriminator 1))
[   22.100108][  T320]  ___sys_sendmsg (net/socket.c:2767)
[   22.100111][  T320]  ? copy_msghdr_from_user (net/socket.c:2619)
[   22.100128][  T320]  __sys_sendmsg (net/socket.c:2799)
[   22.100131][  T320]  ? __sys_sendmsg_sock (net/socket.c:2780)
[   22.100138][  T320]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   22.100141][  T320]  do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84)
[   22.100144][  T320]  ? exc_page_fault (arch/x86/mm/fault.c:1489 (discriminator 3) arch/x86/mm/fault.c:1536 (discriminator 3))
[   22.100147][  T320]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[   22.100149][  T320] RIP: 0033:0x7f19a4d4b54e
[   22.100153][  T320] Code: 4d 89 d8 e8 b4 bd 00 00 4c 8b 5d f8 41 8b 93 08 03 00 00 59 5e 48 83 f8 fc 74 11 c9 c3 0f 1f 80 00 00 00 00 48 8b 45 10 0f 05 <c9> c3 83 e2 39 83 fa 08 75 e7 e8 03 ff ff ff 0f 1f 00 f3 0f 1e fa
All code
========
   0:	4d 89 d8             	mov    %r11,%r8
   3:	e8 b4 bd 00 00       	call   0xbdbc
   8:	4c 8b 5d f8          	mov    -0x8(%rbp),%r11
   c:	41 8b 93 08 03 00 00 	mov    0x308(%r11),%edx
  13:	59                   	pop    %rcx
  14:	5e                   	pop    %rsi
  15:	48 83 f8 fc          	cmp    $0xfffffffffffffffc,%rax
  19:	74 11                	je     0x2c
  1b:	c9                   	leave
  1c:	c3                   	ret
  1d:	0f 1f 80 00 00 00 00 	nopl   0x0(%rax)
  24:	48 8b 45 10          	mov    0x10(%rbp),%rax
  28:	0f 05                	syscall
  2a:*	c9                   	leave		<-- trapping instruction
  2b:	c3                   	ret
  2c:	83 e2 39             	and    $0x39,%edx
  2f:	83 fa 08             	cmp    $0x8,%edx
  32:	75 e7                	jne    0x1b
  34:	e8 03 ff ff ff       	call   0xffffffffffffff3c
  39:	0f 1f 00             	nopl   (%rax)
  3c:	f3 0f 1e fa          	endbr64

Code starting with the faulting instruction
===========================================
   0:	c9                   	leave
   1:	c3                   	ret
   2:	83 e2 39             	and    $0x39,%edx
   5:	83 fa 08             	cmp    $0x8,%edx
   8:	75 e7                	jne    0xfffffffffffffff1
   a:	e8 03 ff ff ff       	call   0xffffffffffffff12
   f:	0f 1f 00             	nopl   (%rax)
  12:	f3 0f 1e fa          	endbr64
[   22.100155][  T320] RSP: 002b:00007ffe5aff1dc0 EFLAGS: 00000202 ORIG_RAX: 000000000000002e
[   22.100158][  T320] RAX: ffffffffffffffda RBX: 0000000000000003 RCX: 00007f19a4d4b54e
[   22.100159][  T320] RDX: 0000000000000000 RSI: 00007ffe5aff1e70 RDI: 0000000000000005
[   22.100160][  T320] RBP: 00007ffe5aff1dd0 R08: 0000000000000000 R09: 0000000000000000
[   22.100161][  T320] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a90d799
[   22.100162][  T320] R13: 00000000004a1620 R14: 0000000000000000 R15: 00007ffe5aff2540
| [   23.231509][  T330] softirqs last disabled at (19186): netif_change_name (./include/linux/spinlock.h:353 ./include/linux/seqlock.h:908 net/core/dev.c:1499)
| [   23.231512][  T330] Preemption disabled at:
| [   23.231513][  T330] vprintk_emit (kernel/printk/printk.c:2471)
| [   23.231528][  T330] Tainted: [W]=WARN
[   23.231529][  T330] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   23.231531][  T330] Call Trace:
[   23.231533][  T330]  <TASK>
[   23.231534][  T330]  dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120)
[   23.231540][  T330]  ? vprintk_emit (kernel/printk/printk.c:2471)
[   23.231542][  T330]  __might_resched.cold (kernel/sched/core.c:9234)
[   23.231546][  T330]  ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3))
[   23.231550][  T330]  ? __kmalloc_noprof (./include/linux/sched/mm.h:317 mm/slub.c:4636 mm/slub.c:4974 mm/slub.c:5413 mm/slub.c:5439)
[   23.231556][  T330]  __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))
[   23.231558][  T330]  ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[   23.231565][  T330]  ? 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)
[   23.231568][  T330]  alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[   23.231573][  T330]  put_chars (drivers/char/virtio_console.c:1176)
[   23.231578][  T330]  ? __send_to_port (drivers/char/virtio_console.c:654)
[   23.231583][  T330]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380)
[   23.231587][  T330]  ? validate_chain (kernel/locking/lockdep.c:3817 (discriminator 2) kernel/locking/lockdep.c:3837 (discriminator 2) kernel/locking/lockdep.c:3892 (discriminator 2))
[   23.231592][  T330]  hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2))
[   23.231595][  T330]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   23.231597][  T330]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   23.231602][  T330]  ? hvc_write (drivers/tty/hvc/hvc_console.c:501)
[   23.231606][  T330]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   23.231609][  T330]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   23.231613][  T330]  console_emit_next_record (kernel/printk/printk.c:3183)
[   23.231617][  T330]  ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20)
[   23.231618][  T330]  ? 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))
[   23.231621][  T330]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   23.231623][  T330]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   23.231627][  T330]  console_flush_one_record (kernel/printk/printk.c:3268)
[   23.231631][  T330]  ? console_emit_next_record (kernel/printk/printk.c:3150)
[   23.231632][  T330]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   23.231638][  T330]  console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420)
[   23.231640][  T330]  ? console_flush_one_record (kernel/printk/printk.c:3316)
[   23.231642][  T330]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   23.231644][  T330]  ? lock_acquire (kernel/locking/lockdep.c:5913)
[   23.231648][  T330]  ? __down_trylock_console_sem (kernel/printk/printk.c:334)
[   23.231650][  T330]  ? vprintk_emit (kernel/printk/printk.c:2478)
[   23.231653][  T330]  vprintk_emit (kernel/printk/printk.c:2479)
[   23.231657][  T330]  ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126))
[   23.231659][  T330]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   23.231661][  T330]  ? save_trace (kernel/locking/lockdep.c:154 (discriminator 6) kernel/locking/lockdep.c:150 (discriminator 6) kernel/locking/lockdep.c:202 (discriminator 6) kernel/locking/lockdep.c:577 (discriminator 6))
[   23.231663][  T330]  ? find_held_lock (kernel/locking/lockdep.c:5360)
[   23.231667][  T330]  _printk (kernel/printk/printk.c:2504)
[   23.231671][  T330]  ? snapshot_read.cold (user.c:?)
[   23.231673][  T330]  ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4116 (discriminator 3) kernel/rcu/tree.c:4108 (discriminator 3))
[   23.231676][  T330]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380)
[   23.231678][  T330]  ? validate_chain (kernel/locking/lockdep.c:3817 (discriminator 2) kernel/locking/lockdep.c:3837 (discriminator 2) kernel/locking/lockdep.c:3892 (discriminator 2))
[   23.231680][  T330]  ? netdev_name (./include/linux/netdevice.h:5709 (discriminator 1))
[   23.231684][  T330]  ? __netdev_printk (net/core/dev.c:13148 (discriminator 2))
[   23.231686][  T330]  ? do_setlink.isra.0 (net/core/rtnetlink.c:3246)
[   23.231689][  T330]  netdev_info (net/core/dev.c:13195 (discriminator 3))
[   23.231692][  T330]  ? netdev_notice (net/core/dev.c:13194)
[   23.231694][  T330]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[   23.231697][  T330]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554)
[   23.231700][  T330]  ? mark_held_locks (kernel/locking/lockdep.c:4341)
[   23.231704][  T330]  ? do_setlink.isra.0 (net/core/rtnetlink.c:3246)
[   23.231706][  T330]  netif_change_name.cold (net/core/dev.c:1507 (discriminator 3))
[   23.231710][  T330]  ? 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))
[   23.231718][  T330]  ? netdev_adjacent_rename_links (net/core/dev.c:9598)
[   23.231721][  T330]  ? __kernel_text_address (kernel/extable.c:79)
[   23.231724][  T330]  ? write_profile (profile.c:?)
[   23.231728][  T330]  ? __asan_memset (mm/kasan/shadow.c:84 (discriminator 1))
[   23.231733][  T330]  do_setlink.isra.0 (net/core/rtnetlink.c:3246)
[   23.231738][  T330]  ? stack_trace_save (kernel/stacktrace.c:122 (discriminator 1))
[   23.231742][  T330]  ? rtnl_link_get_size (net/core/rtnetlink.c:747)
[   23.231744][  T330]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:388 kernel/rcu/update.c:380)
[   23.231748][  T330]  ? stack_depot_save_flags (lib/stackdepot.c:609 (discriminator 2) lib/stackdepot.c:676 (discriminator 2))
[   23.231752][  T330]  ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4116 (discriminator 3) kernel/rcu/tree.c:4108 (discriminator 3))
[   23.231754][  T330]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380)
[   23.231756][  T330]  ? validate_chain (kernel/locking/lockdep.c:3817 (discriminator 2) kernel/locking/lockdep.c:3837 (discriminator 2) kernel/locking/lockdep.c:3892 (discriminator 2))
[   23.231759][  T330]  ? kasan_save_stack (mm/kasan/common.c:58)
[   23.231762][  T330]  ? kasan_save_stack (mm/kasan/common.c:57)
[   23.231764][  T330]  ? kasan_save_track (mm/kasan/common.c:78)
[   23.231767][  T330]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   23.231769][  T330]  ? netlink_update_listeners (net/netlink/af_netlink.c:532)
[   23.231772][  T330]  ? ___sys_sendmsg (net/socket.c:2744 net/socket.c:2763)
[   23.231777][  T330]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2))
[   23.231779][  T330]  ? rtnl_newlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:366 net/core/rtnetlink.c:4214)
[   23.231782][  T330]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   23.231784][  T330]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   23.231786][  T330]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   23.231787][  T330]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   23.231789][  T330]  ? trace_contention_end (./include/trace/events/lock.h:121 (discriminator 22))
[   23.231792][  T330]  ? __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)
[   23.231795][  T330]  ? __mutex_lock (kernel/locking/mutex.c:656 (discriminator 1) kernel/locking/mutex.c:821 (discriminator 1))
[   23.231798][  T330]  ? rtnl_newlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:366 net/core/rtnetlink.c:4214)
[   23.231801][  T330]  ? ww_mutex_lock (kernel/locking/mutex.c:934)
[   23.231803][  T330]  ? nla_get_range_signed (lib/nlattr.c:270)
[   23.231809][  T330]  ? __rtnl_newlink (net/core/rtnetlink.c:4063)
[   23.231814][  T330]  rtnl_newlink (net/core/rtnetlink.c:4215)
[   23.231820][  T330]  ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558)
[   23.231822][  T330]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   23.231827][  T330]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2))
[   23.231829][  T330]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[   23.231831][  T330]  ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558)
[   23.231833][  T330]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554)
[   23.231837][  T330]  ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558)
[   23.231839][  T330]  rtnetlink_rcv_msg (net/core/rtnetlink.c:7132)
[   23.231842][  T330]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   23.231844][  T330]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   23.231849][  T330]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2))
[   23.231851][  T330]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[   23.231855][  T330]  netlink_rcv_skb (net/netlink/af_netlink.c:2556)
[   23.231857][  T330]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   23.231860][  T330]  ? netlink_ack (./include/linux/skbuff.h:2718)
[   23.231866][  T330]  ? 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))
[   23.231868][  T330]  ? 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))
[   23.231872][  T330]  netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[   23.231876][  T330]  ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[   23.231879][  T330]  ? __lock_acquire (kernel/locking/lockdep.c:5251 (discriminator 3))
[   23.231883][  T330]  netlink_sendmsg (net/netlink/af_netlink.c:1900)
[   23.231887][  T330]  ? netlink_unicast (./include/net/net_namespace.h:422 (discriminator 7))
[   23.231889][  T330]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554)
[   23.231892][  T330]  ? __might_fault (mm/memory.c:7482 (discriminator 5))
[   23.231896][  T330]  ? __might_fault (mm/memory.c:7482 (discriminator 5))
[   23.231900][  T330]  ____sys_sendmsg (net/socket.c:800 (discriminator 4) net/socket.c:815 (discriminator 4) net/socket.c:2713 (discriminator 4))
[   23.231902][  T330]  ? copy_msghdr_from_user (net/socket.c:2650)
[   23.231905][  T330]  ? get_timestamp.constprop.0 (./include/linux/netdevice.h:5399)
[   23.231906][  T330]  ? move_addr_to_kernel (./include/linux/audit.h:354 (discriminator 1))
[   23.231914][  T330]  ___sys_sendmsg (net/socket.c:2767)
[   23.231917][  T330]  ? copy_msghdr_from_user (net/socket.c:2619)
[   23.231934][  T330]  __sys_sendmsg (net/socket.c:2799)
[   23.231937][  T330]  ? __sys_sendmsg_sock (net/socket.c:2780)
[   23.231944][  T330]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   23.231947][  T330]  do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84)
[   23.231950][  T330]  ? exc_page_fault (arch/x86/mm/fault.c:1489 (discriminator 3) arch/x86/mm/fault.c:1536 (discriminator 3))
[   23.231953][  T330]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[   23.231955][  T330] RIP: 0033:0x7f9037e0754e
[   23.231959][  T330] 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
[   23.231961][  T330] RSP: 002b:00007ffeb8725d90 EFLAGS: 00000202 ORIG_RAX: 000000000000002e
[   23.231964][  T330] RAX: ffffffffffffffda RBX: 0000000000000003 RCX: 00007f9037e0754e
[   23.231965][  T330] RDX: 0000000000000000 RSI: 00007ffeb8725e40 RDI: 0000000000000005
[   23.231966][  T330] RBP: 00007ffeb8725da0 R08: 0000000000000000 R09: 0000000000000000
[   23.231967][  T330] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a90d79a
[   23.231968][  T330] R13: 00000000004a1620 R14: 0000000000000000 R15: 00007ffeb8726510
| [   24.441132][  T340] softirqs last disabled at (18366): netif_change_name (./include/linux/spinlock.h:353 ./include/linux/seqlock.h:908 net/core/dev.c:1499)
| [   24.441135][  T340] Preemption disabled at:
| [   24.441136][  T340] vprintk_emit (kernel/printk/printk.c:2471)
| [   24.441147][  T340] Tainted: [W]=WARN
[   24.441148][  T340] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   24.441150][  T340] Call Trace:
[   24.441152][  T340]  <TASK>
[   24.441154][  T340]  dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120)
[   24.441161][  T340]  ? vprintk_emit (kernel/printk/printk.c:2471)
[   24.441164][  T340]  __might_resched.cold (kernel/sched/core.c:9234)
[   24.441170][  T340]  ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3))
[   24.441175][  T340]  ? __kmalloc_noprof (./include/linux/sched/mm.h:317 mm/slub.c:4636 mm/slub.c:4974 mm/slub.c:5413 mm/slub.c:5439)
[   24.441182][  T340]  __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))
[   24.441186][  T340]  ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[   24.441195][  T340]  ? 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)
[   24.441199][  T340]  alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[   24.441205][  T340]  put_chars (drivers/char/virtio_console.c:1176)
[   24.441209][  T340]  ? __send_to_port (drivers/char/virtio_console.c:654)
[   24.441215][  T340]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380)
[   24.441220][  T340]  ? validate_chain (kernel/locking/lockdep.c:3817 (discriminator 2) kernel/locking/lockdep.c:3837 (discriminator 2) kernel/locking/lockdep.c:3892 (discriminator 2))
[   24.441227][  T340]  hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2))
[   24.441232][  T340]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   24.441235][  T340]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   24.441246][  T340]  ? hvc_write (drivers/tty/hvc/hvc_console.c:501)
[   24.441252][  T340]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   24.441256][  T340]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   24.441263][  T340]  console_emit_next_record (kernel/printk/printk.c:3183)
[   24.441269][  T340]  ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20)
[   24.441271][  T340]  ? 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))
[   24.441276][  T340]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   24.441279][  T340]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   24.441286][  T340]  console_flush_one_record (kernel/printk/printk.c:3268)
[   24.441293][  T340]  ? console_emit_next_record (kernel/printk/printk.c:3150)
[   24.441295][  T340]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   24.441305][  T340]  console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420)
[   24.441309][  T340]  ? console_flush_one_record (kernel/printk/printk.c:3316)
[   24.441311][  T340]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   24.441314][  T340]  ? lock_acquire (kernel/locking/lockdep.c:5913)
[   24.441321][  T340]  ? __down_trylock_console_sem (kernel/printk/printk.c:334)
[   24.441324][  T340]  ? vprintk_emit (kernel/printk/printk.c:2478)
[   24.441329][  T340]  vprintk_emit (kernel/printk/printk.c:2479)
[   24.441335][  T340]  ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126))
[   24.441338][  T340]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   24.441341][  T340]  ? save_trace (kernel/locking/lockdep.c:154 (discriminator 6) kernel/locking/lockdep.c:150 (discriminator 6) kernel/locking/lockdep.c:202 (discriminator 6) kernel/locking/lockdep.c:577 (discriminator 6))
[   24.441344][  T340]  ? find_held_lock (kernel/locking/lockdep.c:5360)
[   24.441351][  T340]  _printk (kernel/printk/printk.c:2504)
[   24.441356][  T340]  ? snapshot_read.cold (user.c:?)
[   24.441358][  T340]  ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4116 (discriminator 3) kernel/rcu/tree.c:4108 (discriminator 3))
[   24.441363][  T340]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380)
[   24.441366][  T340]  ? validate_chain (kernel/locking/lockdep.c:3817 (discriminator 2) kernel/locking/lockdep.c:3837 (discriminator 2) kernel/locking/lockdep.c:3892 (discriminator 2))
[   24.441370][  T340]  ? netdev_name (./include/linux/netdevice.h:5709 (discriminator 1))
[   24.441374][  T340]  ? __netdev_printk (net/core/dev.c:13148 (discriminator 2))
[   24.441379][  T340]  ? do_setlink.isra.0 (net/core/rtnetlink.c:3246)
[   24.441382][  T340]  netdev_info (net/core/dev.c:13195 (discriminator 3))
[   24.441386][  T340]  ? netdev_notice (net/core/dev.c:13194)
[   24.441391][  T340]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[   24.441396][  T340]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554)
[   24.441400][  T340]  ? mark_held_locks (kernel/locking/lockdep.c:4341)
[   24.441406][  T340]  ? do_setlink.isra.0 (net/core/rtnetlink.c:3246)
[   24.441410][  T340]  netif_change_name.cold (net/core/dev.c:1507 (discriminator 3))
[   24.441415][  T340]  ? 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))
[   24.441424][  T340]  ? netdev_adjacent_rename_links (net/core/dev.c:9598)
[   24.441428][  T340]  ? __kernel_text_address (kernel/extable.c:79)
[   24.441431][  T340]  ? write_profile (profile.c:?)
[   24.441437][  T340]  ? __asan_memset (mm/kasan/shadow.c:84 (discriminator 1))
[   24.441446][  T340]  do_setlink.isra.0 (net/core/rtnetlink.c:3246)
[   24.441453][  T340]  ? stack_trace_save (kernel/stacktrace.c:122 (discriminator 1))
[   24.441457][  T340]  ? rtnl_link_get_size (net/core/rtnetlink.c:747)
[   24.441459][  T340]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:388 kernel/rcu/update.c:380)
[   24.441462][  T340]  ? stack_depot_save_flags (lib/stackdepot.c:609 (discriminator 2) lib/stackdepot.c:676 (discriminator 2))
[   24.441467][  T340]  ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4116 (discriminator 3) kernel/rcu/tree.c:4108 (discriminator 3))
[   24.441470][  T340]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380)
[   24.441473][  T340]  ? validate_chain (kernel/locking/lockdep.c:3817 (discriminator 2) kernel/locking/lockdep.c:3837 (discriminator 2) kernel/locking/lockdep.c:3892 (discriminator 2))
[   24.441478][  T340]  ? kasan_save_stack (mm/kasan/common.c:58)
[   24.441482][  T340]  ? kasan_save_stack (mm/kasan/common.c:57)
[   24.441484][  T340]  ? kasan_save_track (mm/kasan/common.c:78)
[   24.441489][  T340]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   24.441492][  T340]  ? netlink_update_listeners (net/netlink/af_netlink.c:532)
[   24.441496][  T340]  ? ___sys_sendmsg (net/socket.c:2744 net/socket.c:2763)
[   24.441503][  T340]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2))
[   24.441506][  T340]  ? rtnl_newlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:366 net/core/rtnetlink.c:4214)
[   24.441511][  T340]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   24.441514][  T340]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   24.441517][  T340]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   24.441519][  T340]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   24.441522][  T340]  ? trace_contention_end (./include/trace/events/lock.h:121 (discriminator 22))
[   24.441532][  T340]  ? __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)
[   24.441536][  T340]  ? __mutex_lock (kernel/locking/mutex.c:656 (discriminator 1) kernel/locking/mutex.c:821 (discriminator 1))
[   24.441540][  T340]  ? rtnl_newlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:366 net/core/rtnetlink.c:4214)
[   24.441546][  T340]  ? ww_mutex_lock (kernel/locking/mutex.c:934)
[   24.441549][  T340]  ? nla_get_range_signed (lib/nlattr.c:270)
[   24.441559][  T340]  ? __rtnl_newlink (net/core/rtnetlink.c:4063)
[   24.441569][  T340]  rtnl_newlink (net/core/rtnetlink.c:4215)
[   24.441580][  T340]  ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558)
[   24.441583][  T340]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   24.441591][  T340]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2))
[   24.441594][  T340]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[   24.441598][  T340]  ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558)
[   24.441602][  T340]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554)
[   24.441609][  T340]  ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558)
[   24.441612][  T340]  rtnetlink_rcv_msg (net/core/rtnetlink.c:7132)
[   24.441618][  T340]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   24.441620][  T340]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   24.441628][  T340]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2))
[   24.441631][  T340]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[   24.441637][  T340]  netlink_rcv_skb (net/netlink/af_netlink.c:2556)
[   24.441640][  T340]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   24.441645][  T340]  ? netlink_ack (./include/linux/skbuff.h:2718)
[   24.441657][  T340]  ? 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))
[   24.441659][  T340]  ? 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))
[   24.441667][  T340]  netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[   24.441673][  T340]  ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[   24.441678][  T340]  ? __lock_acquire (kernel/locking/lockdep.c:5251 (discriminator 3))
[   24.441686][  T340]  netlink_sendmsg (net/netlink/af_netlink.c:1900)
[   24.441692][  T340]  ? netlink_unicast (./include/net/net_namespace.h:422 (discriminator 7))
[   24.441694][  T340]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554)
[   24.441700][  T340]  ? __might_fault (mm/memory.c:7482 (discriminator 5))
[   24.441704][  T340]  ? __might_fault (mm/memory.c:7482 (discriminator 5))
[   24.441711][  T340]  ____sys_sendmsg (net/socket.c:800 (discriminator 4) net/socket.c:815 (discriminator 4) net/socket.c:2713 (discriminator 4))
[   24.441718][  T340]  ? copy_msghdr_from_user (net/socket.c:2650)
[   24.441721][  T340]  ? get_timestamp.constprop.0 (./include/linux/netdevice.h:5399)
[   24.441724][  T340]  ? move_addr_to_kernel (./include/linux/audit.h:354 (discriminator 1))
[   24.441737][  T340]  ___sys_sendmsg (net/socket.c:2767)
[   24.441742][  T340]  ? copy_msghdr_from_user (net/socket.c:2619)
[   24.441773][  T340]  __sys_sendmsg (net/socket.c:2799)
[   24.441778][  T340]  ? __sys_sendmsg_sock (net/socket.c:2780)
[   24.441790][  T340]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   24.441796][  T340]  do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84)
[   24.441799][  T340]  ? exc_page_fault (arch/x86/mm/fault.c:1489 (discriminator 3) arch/x86/mm/fault.c:1536 (discriminator 3))
[   24.441805][  T340]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[   24.441808][  T340] RIP: 0033:0x7f98fd0bd54e
[   24.441813][  T340] 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
[   24.441816][  T340] RSP: 002b:00007ffe2a932680 EFLAGS: 00000202 ORIG_RAX: 000000000000002e
[   24.441819][  T340] RAX: ffffffffffffffda RBX: 0000000000000003 RCX: 00007f98fd0bd54e
[   24.441821][  T340] RDX: 0000000000000000 RSI: 00007ffe2a932730 RDI: 0000000000000005
[   24.441823][  T340] RBP: 00007ffe2a932690 R08: 0000000000000000 R09: 0000000000000000
[   24.441824][  T340] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a90d79b
[   24.441825][  T340] R13: 00000000004a1620 R14: 0000000000000000 R15: 00007ffe2a932e00
| [   25.477127][  T347] softirqs last disabled at (21294): netif_change_name (./include/linux/spinlock.h:353 ./include/linux/seqlock.h:908 net/core/dev.c:1499)
| [   25.477129][  T347] Preemption disabled at:
| [   25.477130][  T347] vprintk_emit (kernel/printk/printk.c:2471)
| [   25.477139][  T347] Tainted: [W]=WARN
[   25.477139][  T347] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   25.477141][  T347] Call Trace:
[   25.477143][  T347]  <TASK>
[   25.477144][  T347]  dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120)
[   25.477150][  T347]  ? vprintk_emit (kernel/printk/printk.c:2471)
[   25.477152][  T347]  __might_resched.cold (kernel/sched/core.c:9234)
[   25.477157][  T347]  ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3))
[   25.477160][  T347]  ? __kmalloc_noprof (./include/linux/sched/mm.h:317 mm/slub.c:4636 mm/slub.c:4974 mm/slub.c:5413 mm/slub.c:5439)
[   25.477165][  T347]  __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))
[   25.477168][  T347]  ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[   25.477174][  T347]  ? 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)
[   25.477177][  T347]  alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[   25.477181][  T347]  put_chars (drivers/char/virtio_console.c:1176)
[   25.477184][  T347]  ? __send_to_port (drivers/char/virtio_console.c:654)
[   25.477187][  T347]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380)
[   25.477191][  T347]  ? validate_chain (kernel/locking/lockdep.c:3817 (discriminator 2) kernel/locking/lockdep.c:3837 (discriminator 2) kernel/locking/lockdep.c:3892 (discriminator 2))
[   25.477196][  T347]  hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2))
[   25.477199][  T347]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   25.477201][  T347]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   25.477206][  T347]  ? hvc_write (drivers/tty/hvc/hvc_console.c:501)
[   25.477209][  T347]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   25.477212][  T347]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   25.477216][  T347]  console_emit_next_record (kernel/printk/printk.c:3183)
[   25.477220][  T347]  ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20)
[   25.477221][  T347]  ? 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))
[   25.477224][  T347]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   25.477226][  T347]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   25.477230][  T347]  console_flush_one_record (kernel/printk/printk.c:3268)
[   25.477234][  T347]  ? console_emit_next_record (kernel/printk/printk.c:3150)
[   25.477236][  T347]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   25.477243][  T347]  console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420)
[   25.477245][  T347]  ? console_flush_one_record (kernel/printk/printk.c:3316)
[   25.477247][  T347]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   25.477249][  T347]  ? lock_acquire (kernel/locking/lockdep.c:5913)
[   25.477253][  T347]  ? __down_trylock_console_sem (kernel/printk/printk.c:334)
[   25.477255][  T347]  ? vprintk_emit (kernel/printk/printk.c:2478)
[   25.477258][  T347]  vprintk_emit (kernel/printk/printk.c:2479)
[   25.477261][  T347]  ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126))
[   25.477263][  T347]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   25.477265][  T347]  ? save_trace (kernel/locking/lockdep.c:154 (discriminator 6) kernel/locking/lockdep.c:150 (discriminator 6) kernel/locking/lockdep.c:202 (discriminator 6) kernel/locking/lockdep.c:577 (discriminator 6))
[   25.477268][  T347]  ? find_held_lock (kernel/locking/lockdep.c:5360)
[   25.477272][  T347]  _printk (kernel/printk/printk.c:2504)
[   25.477275][  T347]  ? snapshot_read.cold (user.c:?)
[   25.477277][  T347]  ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4116 (discriminator 3) kernel/rcu/tree.c:4108 (discriminator 3))
[   25.477280][  T347]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380)
[   25.477282][  T347]  ? validate_chain (kernel/locking/lockdep.c:3817 (discriminator 2) kernel/locking/lockdep.c:3837 (discriminator 2) kernel/locking/lockdep.c:3892 (discriminator 2))
[   25.477284][  T347]  ? netdev_name (./include/linux/netdevice.h:5709 (discriminator 1))
[   25.477288][  T347]  ? __netdev_printk (net/core/dev.c:13148 (discriminator 2))
[   25.477291][  T347]  ? do_setlink.isra.0 (net/core/rtnetlink.c:3246)
[   25.477293][  T347]  netdev_info (net/core/dev.c:13195 (discriminator 3))
[   25.477296][  T347]  ? netdev_notice (net/core/dev.c:13194)
[   25.477298][  T347]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[   25.477302][  T347]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554)
[   25.477304][  T347]  ? mark_held_locks (kernel/locking/lockdep.c:4341)
[   25.477308][  T347]  ? do_setlink.isra.0 (net/core/rtnetlink.c:3246)
[   25.477310][  T347]  netif_change_name.cold (net/core/dev.c:1507 (discriminator 3))
[   25.477314][  T347]  ? 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))
[   25.477320][  T347]  ? netdev_adjacent_rename_links (net/core/dev.c:9598)
[   25.477322][  T347]  ? __kernel_text_address (kernel/extable.c:79)
[   25.477325][  T347]  ? write_profile (profile.c:?)
[   25.477330][  T347]  ? __asan_memset (mm/kasan/shadow.c:84 (discriminator 1))
[   25.477335][  T347]  do_setlink.isra.0 (net/core/rtnetlink.c:3246)
[   25.477340][  T347]  ? stack_trace_save (kernel/stacktrace.c:122 (discriminator 1))
[   25.477342][  T347]  ? rtnl_link_get_size (net/core/rtnetlink.c:747)
[   25.477343][  T347]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:388 kernel/rcu/update.c:380)
[   25.477345][  T347]  ? stack_depot_save_flags (lib/stackdepot.c:609 (discriminator 2) lib/stackdepot.c:676 (discriminator 2))
[   25.477349][  T347]  ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4116 (discriminator 3) kernel/rcu/tree.c:4108 (discriminator 3))
[   25.477351][  T347]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380)
[   25.477353][  T347]  ? validate_chain (kernel/locking/lockdep.c:3817 (discriminator 2) kernel/locking/lockdep.c:3837 (discriminator 2) kernel/locking/lockdep.c:3892 (discriminator 2))
[   25.477356][  T347]  ? kasan_save_stack (mm/kasan/common.c:58)
[   25.477359][  T347]  ? kasan_save_stack (mm/kasan/common.c:57)
[   25.477361][  T347]  ? kasan_save_track (mm/kasan/common.c:78)
[   25.477364][  T347]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   25.477366][  T347]  ? netlink_update_listeners (net/netlink/af_netlink.c:532)
[   25.477369][  T347]  ? ___sys_sendmsg (net/socket.c:2744 net/socket.c:2763)
[   25.477374][  T347]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2))
[   25.477376][  T347]  ? rtnl_newlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:366 net/core/rtnetlink.c:4214)
[   25.477379][  T347]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   25.477381][  T347]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   25.477383][  T347]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   25.477384][  T347]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   25.477386][  T347]  ? trace_contention_end (./include/trace/events/lock.h:121 (discriminator 22))
[   25.477389][  T347]  ? __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)
[   25.477392][  T347]  ? __mutex_lock (kernel/locking/mutex.c:656 (discriminator 1) kernel/locking/mutex.c:821 (discriminator 1))
[   25.477394][  T347]  ? rtnl_newlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:366 net/core/rtnetlink.c:4214)
[   25.477398][  T347]  ? ww_mutex_lock (kernel/locking/mutex.c:934)
[   25.477400][  T347]  ? nla_get_range_signed (lib/nlattr.c:270)
[   25.477406][  T347]  ? __rtnl_newlink (net/core/rtnetlink.c:4063)
[   25.477411][  T347]  rtnl_newlink (net/core/rtnetlink.c:4215)
[   25.477417][  T347]  ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558)
[   25.477419][  T347]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   25.477424][  T347]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2))
[   25.477426][  T347]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[   25.477428][  T347]  ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558)
[   25.477430][  T347]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554)
[   25.477434][  T347]  ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558)
[   25.477436][  T347]  rtnetlink_rcv_msg (net/core/rtnetlink.c:7132)
[   25.477439][  T347]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   25.477441][  T347]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   25.477445][  T347]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2))
[   25.477448][  T347]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[   25.477451][  T347]  netlink_rcv_skb (net/netlink/af_netlink.c:2556)
[   25.477453][  T347]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   25.477456][  T347]  ? netlink_ack (./include/linux/skbuff.h:2718)
[   25.477463][  T347]  ? 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))
[   25.477464][  T347]  ? 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))
[   25.477469][  T347]  netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[   25.477472][  T347]  ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[   25.477475][  T347]  ? __lock_acquire (kernel/locking/lockdep.c:5251 (discriminator 3))
[   25.477480][  T347]  netlink_sendmsg (net/netlink/af_netlink.c:1900)
[   25.477484][  T347]  ? netlink_unicast (./include/net/net_namespace.h:422 (discriminator 7))
[   25.477485][  T347]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554)
[   25.477488][  T347]  ? __might_fault (mm/memory.c:7482 (discriminator 5))
[   25.477492][  T347]  ? __might_fault (mm/memory.c:7482 (discriminator 5))
[   25.477496][  T347]  ____sys_sendmsg (net/socket.c:800 (discriminator 4) net/socket.c:815 (discriminator 4) net/socket.c:2713 (discriminator 4))
[   25.477499][  T347]  ? copy_msghdr_from_user (net/socket.c:2650)
[   25.477501][  T347]  ? get_timestamp.constprop.0 (./include/linux/netdevice.h:5399)
[   25.477502][  T347]  ? move_addr_to_kernel (./include/linux/audit.h:354 (discriminator 1))
[   25.477510][  T347]  ___sys_sendmsg (net/socket.c:2767)
[   25.477513][  T347]  ? copy_msghdr_from_user (net/socket.c:2619)
[   25.477530][  T347]  __sys_sendmsg (net/socket.c:2799)
[   25.477533][  T347]  ? __sys_sendmsg_sock (net/socket.c:2780)
[   25.477545][  T347]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   25.477548][  T347]  do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84)
[   25.477551][  T347]  ? exc_page_fault (arch/x86/mm/fault.c:1489 (discriminator 3) arch/x86/mm/fault.c:1536 (discriminator 3))
[   25.477554][  T347]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[   25.477556][  T347] RIP: 0033:0x7f538c14254e
[   25.477560][  T347] 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
[   25.477562][  T347] RSP: 002b:00007fffb5b5b170 EFLAGS: 00000202 ORIG_RAX: 000000000000002e
[   25.477565][  T347] RAX: ffffffffffffffda RBX: 0000000000000003 RCX: 00007f538c14254e
[   25.477566][  T347] RDX: 0000000000000000 RSI: 00007fffb5b5b220 RDI: 0000000000000005
[   25.477567][  T347] RBP: 00007fffb5b5b180 R08: 0000000000000000 R09: 0000000000000000
[   25.477568][  T347] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a90d79c
[   25.477569][  T347] R13: 00000000004a1620 R14: 0000000000000000 R15: 00007fffb5b5b8f0
| [   26.601384][  T358] softirqs last disabled at (15708): netif_change_name (./include/linux/spinlock.h:353 ./include/linux/seqlock.h:908 net/core/dev.c:1499)
| [   26.601386][  T358] Preemption disabled at:
| [   26.601387][  T358] vprintk_emit (kernel/printk/printk.c:2471)
| [   26.601395][  T358] Tainted: [W]=WARN
[   26.601396][  T358] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   26.601398][  T358] Call Trace:
[   26.601399][  T358]  <TASK>
[   26.601401][  T358]  dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120)
[   26.601407][  T358]  ? vprintk_emit (kernel/printk/printk.c:2471)
[   26.601408][  T358]  __might_resched.cold (kernel/sched/core.c:9234)
[   26.601413][  T358]  ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3))
[   26.601416][  T358]  ? __kmalloc_noprof (./include/linux/sched/mm.h:317 mm/slub.c:4636 mm/slub.c:4974 mm/slub.c:5413 mm/slub.c:5439)
[   26.601422][  T358]  __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))
[   26.601424][  T358]  ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[   26.601430][  T358]  ? 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)
[   26.601433][  T358]  alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[   26.601437][  T358]  put_chars (drivers/char/virtio_console.c:1176)
[   26.601440][  T358]  ? __send_to_port (drivers/char/virtio_console.c:654)
[   26.601444][  T358]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380)
[   26.601447][  T358]  ? validate_chain (kernel/locking/lockdep.c:3817 (discriminator 2) kernel/locking/lockdep.c:3837 (discriminator 2) kernel/locking/lockdep.c:3892 (discriminator 2))
[   26.601452][  T358]  hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2))
[   26.601456][  T358]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   26.601457][  T358]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   26.601462][  T358]  ? hvc_write (drivers/tty/hvc/hvc_console.c:501)
[   26.601466][  T358]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   26.601469][  T358]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   26.601473][  T358]  console_emit_next_record (kernel/printk/printk.c:3183)
[   26.601477][  T358]  ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20)
[   26.601478][  T358]  ? 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))
[   26.601481][  T358]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   26.601483][  T358]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   26.601487][  T358]  console_flush_one_record (kernel/printk/printk.c:3268)
[   26.601491][  T358]  ? console_emit_next_record (kernel/printk/printk.c:3150)
[   26.601492][  T358]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   26.601498][  T358]  console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420)
[   26.601500][  T358]  ? console_flush_one_record (kernel/printk/printk.c:3316)
[   26.601501][  T358]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   26.601503][  T358]  ? lock_acquire (kernel/locking/lockdep.c:5913)
[   26.601507][  T358]  ? __down_trylock_console_sem (kernel/printk/printk.c:334)
[   26.601509][  T358]  ? vprintk_emit (kernel/printk/printk.c:2478)
[   26.601512][  T358]  vprintk_emit (kernel/printk/printk.c:2479)
[   26.601516][  T358]  ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126))
[   26.601518][  T358]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   26.601520][  T358]  ? save_trace (kernel/locking/lockdep.c:154 (discriminator 6) kernel/locking/lockdep.c:150 (discriminator 6) kernel/locking/lockdep.c:202 (discriminator 6) kernel/locking/lockdep.c:577 (discriminator 6))
[   26.601522][  T358]  ? find_held_lock (kernel/locking/lockdep.c:5360)
[   26.601526][  T358]  _printk (kernel/printk/printk.c:2504)
[   26.601529][  T358]  ? snapshot_read.cold (user.c:?)
[   26.601531][  T358]  ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4116 (discriminator 3) kernel/rcu/tree.c:4108 (discriminator 3))
[   26.601534][  T358]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380)
[   26.601536][  T358]  ? validate_chain (kernel/locking/lockdep.c:3817 (discriminator 2) kernel/locking/lockdep.c:3837 (discriminator 2) kernel/locking/lockdep.c:3892 (discriminator 2))
[   26.601538][  T358]  ? netdev_name (./include/linux/netdevice.h:5709 (discriminator 1))
[   26.601542][  T358]  ? __netdev_printk (net/core/dev.c:13148 (discriminator 2))
[   26.601551][  T358]  ? do_setlink.isra.0 (net/core/rtnetlink.c:3246)
[   26.601554][  T358]  netdev_info (net/core/dev.c:13195 (discriminator 3))
[   26.601557][  T358]  ? netdev_notice (net/core/dev.c:13194)
[   26.601560][  T358]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[   26.601563][  T358]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554)
[   26.601565][  T358]  ? mark_held_locks (kernel/locking/lockdep.c:4341)
[   26.601569][  T358]  ? do_setlink.isra.0 (net/core/rtnetlink.c:3246)
[   26.601571][  T358]  netif_change_name.cold (net/core/dev.c:1507 (discriminator 3))
[   26.601575][  T358]  ? 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))
[   26.601581][  T358]  ? netdev_adjacent_rename_links (net/core/dev.c:9598)
[   26.601583][  T358]  ? __kernel_text_address (kernel/extable.c:79)
[   26.601586][  T358]  ? write_profile (profile.c:?)
[   26.601590][  T358]  ? __asan_memset (mm/kasan/shadow.c:84 (discriminator 1))
[   26.601595][  T358]  do_setlink.isra.0 (net/core/rtnetlink.c:3246)
[   26.601600][  T358]  ? stack_trace_save (kernel/stacktrace.c:122 (discriminator 1))
[   26.601603][  T358]  ? rtnl_link_get_size (net/core/rtnetlink.c:747)
[   26.601604][  T358]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:388 kernel/rcu/update.c:380)
[   26.601606][  T358]  ? stack_depot_save_flags (lib/stackdepot.c:609 (discriminator 2) lib/stackdepot.c:676 (discriminator 2))
[   26.601610][  T358]  ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4116 (discriminator 3) kernel/rcu/tree.c:4108 (discriminator 3))
[   26.601612][  T358]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380)
[   26.601614][  T358]  ? validate_chain (kernel/locking/lockdep.c:3817 (discriminator 2) kernel/locking/lockdep.c:3837 (discriminator 2) kernel/locking/lockdep.c:3892 (discriminator 2))
[   26.601617][  T358]  ? kasan_save_stack (mm/kasan/common.c:58)
[   26.601620][  T358]  ? kasan_save_stack (mm/kasan/common.c:57)
[   26.601622][  T358]  ? kasan_save_track (mm/kasan/common.c:78)
[   26.601624][  T358]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   26.601627][  T358]  ? netlink_update_listeners (net/netlink/af_netlink.c:532)
[   26.601630][  T358]  ? ___sys_sendmsg (net/socket.c:2744 net/socket.c:2763)
[   26.601635][  T358]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2))
[   26.601637][  T358]  ? rtnl_newlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:366 net/core/rtnetlink.c:4214)
[   26.601640][  T358]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   26.601642][  T358]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   26.601643][  T358]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   26.601645][  T358]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   26.601647][  T358]  ? trace_contention_end (./include/trace/events/lock.h:121 (discriminator 22))
[   26.601649][  T358]  ? __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)
[   26.601653][  T358]  ? __mutex_lock (kernel/locking/mutex.c:656 (discriminator 1) kernel/locking/mutex.c:821 (discriminator 1))
[   26.601655][  T358]  ? rtnl_newlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:366 net/core/rtnetlink.c:4214)
[   26.601658][  T358]  ? ww_mutex_lock (kernel/locking/mutex.c:934)
[   26.601660][  T358]  ? nla_get_range_signed (lib/nlattr.c:270)
[   26.601666][  T358]  ? __rtnl_newlink (net/core/rtnetlink.c:4063)
[   26.601672][  T358]  rtnl_newlink (net/core/rtnetlink.c:4215)
[   26.601677][  T358]  ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558)
[   26.601679][  T358]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   26.601684][  T358]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2))
[   26.601686][  T358]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[   26.601688][  T358]  ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558)
[   26.601689][  T358]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554)
[   26.601694][  T358]  ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558)
[   26.601696][  T358]  rtnetlink_rcv_msg (net/core/rtnetlink.c:7132)
[   26.601699][  T358]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   26.601700][  T358]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   26.601705][  T358]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2))
[   26.601707][  T358]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[   26.601711][  T358]  netlink_rcv_skb (net/netlink/af_netlink.c:2556)
[   26.601714][  T358]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   26.601717][  T358]  ? netlink_ack (./include/linux/skbuff.h:2718)
[   26.601724][  T358]  ? 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))
[   26.601725][  T358]  ? 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))
[   26.601729][  T358]  netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[   26.601733][  T358]  ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[   26.601736][  T358]  ? __lock_acquire (kernel/locking/lockdep.c:5251 (discriminator 3))
[   26.601740][  T358]  netlink_sendmsg (net/netlink/af_netlink.c:1900)
[   26.601744][  T358]  ? netlink_unicast (./include/net/net_namespace.h:422 (discriminator 7))
[   26.601746][  T358]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554)
[   26.601749][  T358]  ? __might_fault (mm/memory.c:7482 (discriminator 5))
[   26.601753][  T358]  ? __might_fault (mm/memory.c:7482 (discriminator 5))
[   26.601757][  T358]  ____sys_sendmsg (net/socket.c:800 (discriminator 4) net/socket.c:815 (discriminator 4) net/socket.c:2713 (discriminator 4))
[   26.601759][  T358]  ? copy_msghdr_from_user (net/socket.c:2650)
[   26.601761][  T358]  ? get_timestamp.constprop.0 (./include/linux/netdevice.h:5399)
[   26.601763][  T358]  ? move_addr_to_kernel (./include/linux/audit.h:354 (discriminator 1))
[   26.601771][  T358]  ___sys_sendmsg (net/socket.c:2767)
[   26.601774][  T358]  ? copy_msghdr_from_user (net/socket.c:2619)
[   26.601789][  T358]  __sys_sendmsg (net/socket.c:2799)
[   26.601793][  T358]  ? __sys_sendmsg_sock (net/socket.c:2780)
[   26.601799][  T358]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   26.601802][  T358]  do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84)
[   26.601805][  T358]  ? exc_page_fault (arch/x86/mm/fault.c:1489 (discriminator 3) arch/x86/mm/fault.c:1536 (discriminator 3))
[   26.601808][  T358]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[   26.601811][  T358] RIP: 0033:0x7f6f8823354e
[   26.601815][  T358] 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
[   26.601816][  T358] RSP: 002b:00007ffc420dab30 EFLAGS: 00000202 ORIG_RAX: 000000000000002e
[   26.601819][  T358] RAX: ffffffffffffffda RBX: 0000000000000003 RCX: 00007f6f8823354e
[   26.601820][  T358] RDX: 0000000000000000 RSI: 00007ffc420dabe0 RDI: 0000000000000005
[   26.601821][  T358] RBP: 00007ffc420dab40 R08: 0000000000000000 R09: 0000000000000000
[   26.601822][  T358] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a90d79d
[   26.601823][  T358] R13: 00000000004a1620 R14: 0000000000000000 R15: 00007ffc420db2b0
| [   27.680337][  T366] softirqs last disabled at (17384): netif_change_name (./include/linux/spinlock.h:353 ./include/linux/seqlock.h:908 net/core/dev.c:1499)
| [   27.680339][  T366] Preemption disabled at:
| [   27.680340][  T366] vprintk_emit (kernel/printk/printk.c:2471)
| [   27.680349][  T366] Tainted: [W]=WARN
[   27.680350][  T366] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   27.680352][  T366] Call Trace:
[   27.680354][  T366]  <TASK>
[   27.680356][  T366]  dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120)
[   27.680361][  T366]  ? vprintk_emit (kernel/printk/printk.c:2471)
[   27.680363][  T366]  __might_resched.cold (kernel/sched/core.c:9234)
[   27.680368][  T366]  ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3))
[   27.680371][  T366]  ? __kmalloc_noprof (./include/linux/sched/mm.h:317 mm/slub.c:4636 mm/slub.c:4974 mm/slub.c:5413 mm/slub.c:5439)
[   27.680377][  T366]  __kmalloc_noprof (./include/linux/sched/mm.h:322 (discriminator 2) mm/slub.c:4636 (discriminator 2) mm/slub.c:4974 (discriminator 2) mm/slub.c:5413 (discriminator 2) mm/slub.c:5439 (discriminator 2))
[   27.680380][  T366]  ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[   27.680386][  T366]  ? do_raw_spin_unlock (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:32 ./include/asm-generic/qspinlock.h:58 kernel/locking/spinlock_debug.c:101 kernel/locking/spinlock_debug.c:141)
[   27.680389][  T366]  alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[   27.680393][  T366]  put_chars (drivers/char/virtio_console.c:1176)
[   27.680396][  T366]  ? __send_to_port (drivers/char/virtio_console.c:654)
[   27.680400][  T366]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380)
[   27.680404][  T366]  ? validate_chain (kernel/locking/lockdep.c:3817 (discriminator 2) kernel/locking/lockdep.c:3837 (discriminator 2) kernel/locking/lockdep.c:3892 (discriminator 2))
[   27.680409][  T366]  hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2))
[   27.680413][  T366]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   27.680415][  T366]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   27.680420][  T366]  ? hvc_write (drivers/tty/hvc/hvc_console.c:501)
[   27.680424][  T366]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   27.680427][  T366]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   27.680432][  T366]  console_emit_next_record (kernel/printk/printk.c:3183)
[   27.680435][  T366]  ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20)
[   27.680437][  T366]  ? console_flush_one_record (./include/linux/rcupdate.h:314 (discriminator 2) ./include/linux/srcu.h:439 (discriminator 2) kernel/printk/printk.c:291 (discriminator 2) kernel/printk/printk.c:3246 (discriminator 2))
[   27.680440][  T366]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   27.680442][  T366]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   27.680447][  T366]  console_flush_one_record (kernel/printk/printk.c:3268)
[   27.680451][  T366]  ? console_emit_next_record (kernel/printk/printk.c:3150)
[   27.680452][  T366]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   27.680459][  T366]  console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420)
[   27.680461][  T366]  ? console_flush_one_record (kernel/printk/printk.c:3316)
[   27.680463][  T366]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   27.680465][  T366]  ? lock_acquire (kernel/locking/lockdep.c:5913)
[   27.680469][  T366]  ? __down_trylock_console_sem (kernel/printk/printk.c:334)
[   27.680471][  T366]  ? vprintk_emit (kernel/printk/printk.c:2478)
[   27.680475][  T366]  vprintk_emit (kernel/printk/printk.c:2479)
[   27.680478][  T366]  ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126))
[   27.680480][  T366]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   27.680483][  T366]  ? save_trace (kernel/locking/lockdep.c:154 (discriminator 6) kernel/locking/lockdep.c:150 (discriminator 6) kernel/locking/lockdep.c:202 (discriminator 6) kernel/locking/lockdep.c:577 (discriminator 6))
[   27.680485][  T366]  ? find_held_lock (kernel/locking/lockdep.c:5360)
[   27.680489][  T366]  _printk (kernel/printk/printk.c:2504)
[   27.680493][  T366]  ? snapshot_read.cold (user.c:?)
[   27.680495][  T366]  ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4116 (discriminator 3) kernel/rcu/tree.c:4108 (discriminator 3))
[   27.680498][  T366]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380)
[   27.680500][  T366]  ? validate_chain (kernel/locking/lockdep.c:3817 (discriminator 2) kernel/locking/lockdep.c:3837 (discriminator 2) kernel/locking/lockdep.c:3892 (discriminator 2))
[   27.680503][  T366]  ? netdev_name (./include/linux/netdevice.h:5709 (discriminator 1))
[   27.680506][  T366]  ? __netdev_printk (net/core/dev.c:13148 (discriminator 2))
[   27.680509][  T366]  ? do_setlink.isra.0 (net/core/rtnetlink.c:3246)
[   27.680512][  T366]  netdev_info (net/core/dev.c:13195 (discriminator 3))
[   27.680515][  T366]  ? netdev_notice (net/core/dev.c:13194)
[   27.680518][  T366]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[   27.680521][  T366]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554)
[   27.680524][  T366]  ? mark_held_locks (kernel/locking/lockdep.c:4341)
[   27.680528][  T366]  ? do_setlink.isra.0 (net/core/rtnetlink.c:3246)
[   27.680530][  T366]  netif_change_name.cold (net/core/dev.c:1507 (discriminator 3))
[   27.680534][  T366]  ? is_bpf_text_address (./include/linux/rcupdate.h:319 (discriminator 2) ./include/linux/rcupdate.h:880 (discriminator 2) kernel/bpf/core.c:751 (discriminator 2))
[   27.680540][  T366]  ? netdev_adjacent_rename_links (net/core/dev.c:9598)
[   27.680543][  T366]  ? __kernel_text_address (kernel/extable.c:79)
[   27.680546][  T366]  ? write_profile (profile.c:?)
[   27.680550][  T366]  ? __asan_memset (mm/kasan/shadow.c:84 (discriminator 1))
[   27.680562][  T366]  do_setlink.isra.0 (net/core/rtnetlink.c:3246)
[   27.680567][  T366]  ? stack_trace_save (kernel/stacktrace.c:122 (discriminator 1))
[   27.680570][  T366]  ? rtnl_link_get_size (net/core/rtnetlink.c:747)
[   27.680571][  T366]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:388 kernel/rcu/update.c:380)
[   27.680574][  T366]  ? stack_depot_save_flags (lib/stackdepot.c:609 (discriminator 2) lib/stackdepot.c:676 (discriminator 2))
[   27.680577][  T366]  ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4116 (discriminator 3) kernel/rcu/tree.c:4108 (discriminator 3))
[   27.680580][  T366]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380)
[   27.680582][  T366]  ? validate_chain (kernel/locking/lockdep.c:3817 (discriminator 2) kernel/locking/lockdep.c:3837 (discriminator 2) kernel/locking/lockdep.c:3892 (discriminator 2))
[   27.680585][  T366]  ? kasan_save_stack (mm/kasan/common.c:58)
[   27.680588][  T366]  ? kasan_save_stack (mm/kasan/common.c:57)
[   27.680590][  T366]  ? kasan_save_track (mm/kasan/common.c:78)
[   27.680593][  T366]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   27.680595][  T366]  ? netlink_update_listeners (net/netlink/af_netlink.c:532)
[   27.680598][  T366]  ? ___sys_sendmsg (net/socket.c:2744 net/socket.c:2763)
[   27.680604][  T366]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2))
[   27.680606][  T366]  ? rtnl_newlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:366 net/core/rtnetlink.c:4214)
[   27.680609][  T366]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   27.680611][  T366]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   27.680613][  T366]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   27.680614][  T366]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   27.680616][  T366]  ? trace_contention_end (./include/trace/events/lock.h:121 (discriminator 22))
[   27.680619][  T366]  ? __mutex_lock (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:3188 kernel/locking/mutex.c:89 kernel/locking/mutex.c:134 kernel/locking/mutex.c:649 kernel/locking/mutex.c:821)
[   27.680622][  T366]  ? __mutex_lock (kernel/locking/mutex.c:656 (discriminator 1) kernel/locking/mutex.c:821 (discriminator 1))
[   27.680625][  T366]  ? rtnl_newlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:366 net/core/rtnetlink.c:4214)
[   27.680629][  T366]  ? ww_mutex_lock (kernel/locking/mutex.c:934)
[   27.680631][  T366]  ? nla_get_range_signed (lib/nlattr.c:270)
[   27.680637][  T366]  ? __rtnl_newlink (net/core/rtnetlink.c:4063)
[   27.680643][  T366]  rtnl_newlink (net/core/rtnetlink.c:4215)
[   27.680649][  T366]  ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558)
[   27.680651][  T366]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   27.680657][  T366]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2))
[   27.680659][  T366]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[   27.680661][  T366]  ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558)
[   27.680663][  T366]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554)
[   27.680668][  T366]  ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558)
[   27.680670][  T366]  rtnetlink_rcv_msg (net/core/rtnetlink.c:7132)
[   27.680673][  T366]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   27.680675][  T366]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   27.680680][  T366]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2))
[   27.680682][  T366]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[   27.680686][  T366]  netlink_rcv_skb (net/netlink/af_netlink.c:2556)
[   27.680688][  T366]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   27.680691][  T366]  ? netlink_ack (./include/linux/skbuff.h:2718)
[   27.680698][  T366]  ? netlink_deliver_tap (./include/linux/rcupdate.h:319 (discriminator 2) ./include/linux/rcupdate.h:880 (discriminator 2) ./include/net/netns/generic.h:48 (discriminator 2) net/netlink/af_netlink.c:334 (discriminator 2))
[   27.680699][  T366]  ? netlink_deliver_tap (./include/linux/rcupdate.h:319 (discriminator 2) ./include/linux/rcupdate.h:880 (discriminator 2) net/netlink/af_netlink.c:341 (discriminator 2))
[   27.680704][  T366]  netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[   27.680708][  T366]  ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[   27.680711][  T366]  ? __lock_acquire (kernel/locking/lockdep.c:5251 (discriminator 3))
[   27.680718][  T366]  netlink_sendmsg (net/netlink/af_netlink.c:1900)
[   27.680722][  T366]  ? netlink_unicast (./include/net/net_namespace.h:422 (discriminator 7))
[   27.680724][  T366]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554)
[   27.680727][  T366]  ? __might_fault (mm/memory.c:7482 (discriminator 5))
[   27.680731][  T366]  ? __might_fault (mm/memory.c:7482 (discriminator 5))
[   27.680735][  T366]  ____sys_sendmsg (net/socket.c:800 (discriminator 4) net/socket.c:815 (discriminator 4) net/socket.c:2713 (discriminator 4))
[   27.680738][  T366]  ? copy_msghdr_from_user (net/socket.c:2650)
[   27.680740][  T366]  ? get_timestamp.constprop.0 (./include/linux/netdevice.h:5399)
[   27.680742][  T366]  ? move_addr_to_kernel (./include/linux/audit.h:354 (discriminator 1))
[   27.680750][  T366]  ___sys_sendmsg (net/socket.c:2767)
[   27.680753][  T366]  ? copy_msghdr_from_user (net/socket.c:2619)
[   27.680771][  T366]  __sys_sendmsg (net/socket.c:2799)
[   27.680775][  T366]  ? __sys_sendmsg_sock (net/socket.c:2780)
[   27.680782][  T366]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   27.680785][  T366]  do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84)
[   27.680788][  T366]  ? exc_page_fault (arch/x86/mm/fault.c:1489 (discriminator 3) arch/x86/mm/fault.c:1536 (discriminator 3))
[   27.680791][  T366]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[   27.680794][  T366] RIP: 0033:0x7f5a4a53954e
[   27.680798][  T366] Code: 4d 89 d8 e8 b4 bd 00 00 4c 8b 5d f8 41 8b 93 08 03 00 00 59 5e 48 83 f8 fc 74 11 c9 c3 0f 1f 80 00 00 00 00 48 8b 45 10 0f 05 <c9> c3 83 e2 39 83 fa 08 75 e7 e8 03 ff ff ff 0f 1f 00 f3 0f 1e fa
All code
========
   0:	4d 89 d8             	mov    %r11,%r8
   3:	e8 b4 bd 00 00       	call   0xbdbc
   8:	4c 8b 5d f8          	mov    -0x8(%rbp),%r11
   c:	41 8b 93 08 03 00 00 	mov    0x308(%r11),%edx
  13:	59                   	pop    %rcx
  14:	5e                   	pop    %rsi
  15:	48 83 f8 fc          	cmp    $0xfffffffffffffffc,%rax
  19:	74 11                	je     0x2c
  1b:	c9                   	leave
  1c:	c3                   	ret
  1d:	0f 1f 80 00 00 00 00 	nopl   0x0(%rax)
  24:	48 8b 45 10          	mov    0x10(%rbp),%rax
  28:	0f 05                	syscall
  2a:*	c9                   	leave		<-- trapping instruction
  2b:	c3                   	ret
  2c:	83 e2 39             	and    $0x39,%edx
  2f:	83 fa 08             	cmp    $0x8,%edx
  32:	75 e7                	jne    0x1b
  34:	e8 03 ff ff ff       	call   0xffffffffffffff3c
  39:	0f 1f 00             	nopl   (%rax)
  3c:	f3 0f 1e fa          	endbr64

Code starting with the faulting instruction
===========================================
   0:	c9                   	leave
   1:	c3                   	ret
   2:	83 e2 39             	and    $0x39,%edx
   5:	83 fa 08             	cmp    $0x8,%edx
   8:	75 e7                	jne    0xfffffffffffffff1
   a:	e8 03 ff ff ff       	call   0xffffffffffffff12
   f:	0f 1f 00             	nopl   (%rax)
  12:	f3 0f 1e fa          	endbr64
[   27.680799][  T366] RSP: 002b:00007fff024ee910 EFLAGS: 00000202 ORIG_RAX: 000000000000002e
[   27.680802][  T366] RAX: ffffffffffffffda RBX: 0000000000000003 RCX: 00007f5a4a53954e
[   27.680804][  T366] RDX: 0000000000000000 RSI: 00007fff024ee9c0 RDI: 0000000000000005
[   27.680805][  T366] RBP: 00007fff024ee920 R08: 0000000000000000 R09: 0000000000000000
[   27.680806][  T366] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a90d79e
[   27.680806][  T366] R13: 00000000004a1620 R14: 0000000000000000 R15: 00007fff024ef090
| [   28.706181][  T375] softirqs last disabled at (18570): netif_change_name (./include/linux/spinlock.h:353 ./include/linux/seqlock.h:908 net/core/dev.c:1499)
| [   28.706184][  T375] Preemption disabled at:
| [   28.706185][  T375] vprintk_emit (kernel/printk/printk.c:2471)
| [   28.706194][  T375] Tainted: [W]=WARN
[   28.706195][  T375] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   28.706196][  T375] Call Trace:
[   28.706198][  T375]  <TASK>
[   28.706200][  T375]  dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120)
[   28.706205][  T375]  ? vprintk_emit (kernel/printk/printk.c:2471)
[   28.706207][  T375]  __might_resched.cold (kernel/sched/core.c:9234)
[   28.706211][  T375]  ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3))
[   28.706215][  T375]  ? __kmalloc_noprof (./include/linux/sched/mm.h:317 mm/slub.c:4636 mm/slub.c:4974 mm/slub.c:5413 mm/slub.c:5439)
[   28.706220][  T375]  __kmalloc_noprof (./include/linux/sched/mm.h:322 (discriminator 2) mm/slub.c:4636 (discriminator 2) mm/slub.c:4974 (discriminator 2) mm/slub.c:5413 (discriminator 2) mm/slub.c:5439 (discriminator 2))
[   28.706222][  T375]  ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[   28.706229][  T375]  ? do_raw_spin_unlock (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:32 ./include/asm-generic/qspinlock.h:58 kernel/locking/spinlock_debug.c:101 kernel/locking/spinlock_debug.c:141)
[   28.706232][  T375]  alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[   28.706235][  T375]  put_chars (drivers/char/virtio_console.c:1176)
[   28.706239][  T375]  ? __send_to_port (drivers/char/virtio_console.c:654)
[   28.706243][  T375]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380)
[   28.706247][  T375]  ? validate_chain (kernel/locking/lockdep.c:3817 (discriminator 2) kernel/locking/lockdep.c:3837 (discriminator 2) kernel/locking/lockdep.c:3892 (discriminator 2))
[   28.706252][  T375]  hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2))
[   28.706255][  T375]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   28.706257][  T375]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   28.706262][  T375]  ? hvc_write (drivers/tty/hvc/hvc_console.c:501)
[   28.706265][  T375]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   28.706268][  T375]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   28.706272][  T375]  console_emit_next_record (kernel/printk/printk.c:3183)
[   28.706276][  T375]  ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20)
[   28.706277][  T375]  ? console_flush_one_record (./include/linux/rcupdate.h:314 (discriminator 2) ./include/linux/srcu.h:439 (discriminator 2) kernel/printk/printk.c:291 (discriminator 2) kernel/printk/printk.c:3246 (discriminator 2))
[   28.706280][  T375]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   28.706282][  T375]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   28.706286][  T375]  console_flush_one_record (kernel/printk/printk.c:3268)
[   28.706290][  T375]  ? console_emit_next_record (kernel/printk/printk.c:3150)
[   28.706292][  T375]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   28.706297][  T375]  console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420)
[   28.706300][  T375]  ? console_flush_one_record (kernel/printk/printk.c:3316)
[   28.706301][  T375]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   28.706303][  T375]  ? lock_acquire (kernel/locking/lockdep.c:5913)
[   28.706307][  T375]  ? __down_trylock_console_sem (kernel/printk/printk.c:334)
[   28.706309][  T375]  ? vprintk_emit (kernel/printk/printk.c:2478)
[   28.706312][  T375]  vprintk_emit (kernel/printk/printk.c:2479)
[   28.706316][  T375]  ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126))
[   28.706318][  T375]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   28.706320][  T375]  ? save_trace (kernel/locking/lockdep.c:154 (discriminator 6) kernel/locking/lockdep.c:150 (discriminator 6) kernel/locking/lockdep.c:202 (discriminator 6) kernel/locking/lockdep.c:577 (discriminator 6))
[   28.706322][  T375]  ? find_held_lock (kernel/locking/lockdep.c:5360)
[   28.706326][  T375]  _printk (kernel/printk/printk.c:2504)
[   28.706330][  T375]  ? snapshot_read.cold (user.c:?)
[   28.706331][  T375]  ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4116 (discriminator 3) kernel/rcu/tree.c:4108 (discriminator 3))
[   28.706334][  T375]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380)
[   28.706337][  T375]  ? validate_chain (kernel/locking/lockdep.c:3817 (discriminator 2) kernel/locking/lockdep.c:3837 (discriminator 2) kernel/locking/lockdep.c:3892 (discriminator 2))
[   28.706339][  T375]  ? netdev_name (./include/linux/netdevice.h:5709 (discriminator 1))
[   28.706342][  T375]  ? __netdev_printk (net/core/dev.c:13148 (discriminator 2))
[   28.706345][  T375]  ? do_setlink.isra.0 (net/core/rtnetlink.c:3246)
[   28.706347][  T375]  netdev_info (net/core/dev.c:13195 (discriminator 3))
[   28.706350][  T375]  ? netdev_notice (net/core/dev.c:13194)
[   28.706353][  T375]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[   28.706356][  T375]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554)
[   28.706359][  T375]  ? mark_held_locks (kernel/locking/lockdep.c:4341)
[   28.706363][  T375]  ? do_setlink.isra.0 (net/core/rtnetlink.c:3246)
[   28.706365][  T375]  netif_change_name.cold (net/core/dev.c:1507 (discriminator 3))
[   28.706368][  T375]  ? is_bpf_text_address (./include/linux/rcupdate.h:319 (discriminator 2) ./include/linux/rcupdate.h:880 (discriminator 2) kernel/bpf/core.c:751 (discriminator 2))
[   28.706375][  T375]  ? netdev_adjacent_rename_links (net/core/dev.c:9598)
[   28.706377][  T375]  ? __kernel_text_address (kernel/extable.c:79)
[   28.706380][  T375]  ? write_profile (profile.c:?)
[   28.706384][  T375]  ? __asan_memset (mm/kasan/shadow.c:84 (discriminator 1))
[   28.706390][  T375]  do_setlink.isra.0 (net/core/rtnetlink.c:3246)
[   28.706395][  T375]  ? stack_trace_save (kernel/stacktrace.c:122 (discriminator 1))
[   28.706397][  T375]  ? rtnl_link_get_size (net/core/rtnetlink.c:747)
[   28.706398][  T375]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:388 kernel/rcu/update.c:380)
[   28.706400][  T375]  ? stack_depot_save_flags (lib/stackdepot.c:609 (discriminator 2) lib/stackdepot.c:676 (discriminator 2))
[   28.706404][  T375]  ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4116 (discriminator 3) kernel/rcu/tree.c:4108 (discriminator 3))
[   28.706406][  T375]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380)
[   28.706408][  T375]  ? validate_chain (kernel/locking/lockdep.c:3817 (discriminator 2) kernel/locking/lockdep.c:3837 (discriminator 2) kernel/locking/lockdep.c:3892 (discriminator 2))
[   28.706411][  T375]  ? kasan_save_stack (mm/kasan/common.c:58)
[   28.706414][  T375]  ? kasan_save_stack (mm/kasan/common.c:57)
[   28.706416][  T375]  ? kasan_save_track (mm/kasan/common.c:78)
[   28.706419][  T375]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   28.706421][  T375]  ? netlink_update_listeners (net/netlink/af_netlink.c:532)
[   28.706424][  T375]  ? ___sys_sendmsg (net/socket.c:2744 net/socket.c:2763)
[   28.706429][  T375]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2))
[   28.706431][  T375]  ? rtnl_newlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:366 net/core/rtnetlink.c:4214)
[   28.706434][  T375]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   28.706436][  T375]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   28.706438][  T375]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   28.706439][  T375]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   28.706441][  T375]  ? trace_contention_end (./include/trace/events/lock.h:121 (discriminator 22))
[   28.706444][  T375]  ? __mutex_lock (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:3188 kernel/locking/mutex.c:89 kernel/locking/mutex.c:134 kernel/locking/mutex.c:649 kernel/locking/mutex.c:821)
[   28.706448][  T375]  ? __mutex_lock (kernel/locking/mutex.c:656 (discriminator 1) kernel/locking/mutex.c:821 (discriminator 1))
[   28.706450][  T375]  ? rtnl_newlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:366 net/core/rtnetlink.c:4214)
[   28.706454][  T375]  ? ww_mutex_lock (kernel/locking/mutex.c:934)
[   28.706456][  T375]  ? nla_get_range_signed (lib/nlattr.c:270)
[   28.706462][  T375]  ? __rtnl_newlink (net/core/rtnetlink.c:4063)
[   28.706467][  T375]  rtnl_newlink (net/core/rtnetlink.c:4215)
[   28.706473][  T375]  ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558)
[   28.706475][  T375]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   28.706480][  T375]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2))
[   28.706482][  T375]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[   28.706484][  T375]  ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558)
[   28.706486][  T375]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554)
[   28.706490][  T375]  ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558)
[   28.706492][  T375]  rtnetlink_rcv_msg (net/core/rtnetlink.c:7132)
[   28.706496][  T375]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   28.706497][  T375]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   28.706502][  T375]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2))
[   28.706504][  T375]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[   28.706508][  T375]  netlink_rcv_skb (net/netlink/af_netlink.c:2556)
[   28.706510][  T375]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   28.706513][  T375]  ? netlink_ack (./include/linux/skbuff.h:2718)
[   28.706519][  T375]  ? netlink_deliver_tap (./include/linux/rcupdate.h:319 (discriminator 2) ./include/linux/rcupdate.h:880 (discriminator 2) ./include/net/netns/generic.h:48 (discriminator 2) net/netlink/af_netlink.c:334 (discriminator 2))
[   28.706521][  T375]  ? netlink_deliver_tap (./include/linux/rcupdate.h:319 (discriminator 2) ./include/linux/rcupdate.h:880 (discriminator 2) net/netlink/af_netlink.c:341 (discriminator 2))
[   28.706525][  T375]  netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[   28.706529][  T375]  ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[   28.706532][  T375]  ? __lock_acquire (kernel/locking/lockdep.c:5251 (discriminator 3))
[   28.706537][  T375]  netlink_sendmsg (net/netlink/af_netlink.c:1900)
[   28.706541][  T375]  ? netlink_unicast (./include/net/net_namespace.h:422 (discriminator 7))
[   28.706542][  T375]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554)
[   28.706545][  T375]  ? __might_fault (mm/memory.c:7482 (discriminator 5))
[   28.706549][  T375]  ? __might_fault (mm/memory.c:7482 (discriminator 5))
[   28.706554][  T375]  ____sys_sendmsg (net/socket.c:800 (discriminator 4) net/socket.c:815 (discriminator 4) net/socket.c:2713 (discriminator 4))
[   28.706556][  T375]  ? copy_msghdr_from_user (net/socket.c:2650)
[   28.706558][  T375]  ? get_timestamp.constprop.0 (./include/linux/netdevice.h:5399)
[   28.706560][  T375]  ? move_addr_to_kernel (./include/linux/audit.h:354 (discriminator 1))
[   28.706573][  T375]  ___sys_sendmsg (net/socket.c:2767)
[   28.706576][  T375]  ? copy_msghdr_from_user (net/socket.c:2619)
[   28.706592][  T375]  __sys_sendmsg (net/socket.c:2799)
[   28.706595][  T375]  ? __sys_sendmsg_sock (net/socket.c:2780)
[   28.706602][  T375]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   28.706605][  T375]  do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84)
[   28.706608][  T375]  ? exc_page_fault (arch/x86/mm/fault.c:1489 (discriminator 3) arch/x86/mm/fault.c:1536 (discriminator 3))
[   28.706611][  T375]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[   28.706613][  T375] RIP: 0033:0x7fc7bbd6454e
[   28.706618][  T375] Code: 4d 89 d8 e8 b4 bd 00 00 4c 8b 5d f8 41 8b 93 08 03 00 00 59 5e 48 83 f8 fc 74 11 c9 c3 0f 1f 80 00 00 00 00 48 8b 45 10 0f 05 <c9> c3 83 e2 39 83 fa 08 75 e7 e8 03 ff ff ff 0f 1f 00 f3 0f 1e fa
All code
========
   0:	4d 89 d8             	mov    %r11,%r8
   3:	e8 b4 bd 00 00       	call   0xbdbc
   8:	4c 8b 5d f8          	mov    -0x8(%rbp),%r11
   c:	41 8b 93 08 03 00 00 	mov    0x308(%r11),%edx
  13:	59                   	pop    %rcx
  14:	5e                   	pop    %rsi
  15:	48 83 f8 fc          	cmp    $0xfffffffffffffffc,%rax
  19:	74 11                	je     0x2c
  1b:	c9                   	leave
  1c:	c3                   	ret
  1d:	0f 1f 80 00 00 00 00 	nopl   0x0(%rax)
  24:	48 8b 45 10          	mov    0x10(%rbp),%rax
  28:	0f 05                	syscall
  2a:*	c9                   	leave		<-- trapping instruction
  2b:	c3                   	ret
  2c:	83 e2 39             	and    $0x39,%edx
  2f:	83 fa 08             	cmp    $0x8,%edx
  32:	75 e7                	jne    0x1b
  34:	e8 03 ff ff ff       	call   0xffffffffffffff3c
  39:	0f 1f 00             	nopl   (%rax)
  3c:	f3 0f 1e fa          	endbr64

Code starting with the faulting instruction
===========================================
   0:	c9                   	leave
   1:	c3                   	ret
   2:	83 e2 39             	and    $0x39,%edx
   5:	83 fa 08             	cmp    $0x8,%edx
   8:	75 e7                	jne    0xfffffffffffffff1
   a:	e8 03 ff ff ff       	call   0xffffffffffffff12
   f:	0f 1f 00             	nopl   (%rax)
  12:	f3 0f 1e fa          	endbr64
[   28.706619][  T375] RSP: 002b:00007ffd4035f950 EFLAGS: 00000202 ORIG_RAX: 000000000000002e
[   28.706622][  T375] RAX: ffffffffffffffda RBX: 0000000000000003 RCX: 00007fc7bbd6454e
[   28.706623][  T375] RDX: 0000000000000000 RSI: 00007ffd4035fa00 RDI: 0000000000000005
[   28.706624][  T375] RBP: 00007ffd4035f960 R08: 0000000000000000 R09: 0000000000000000
[   28.706625][  T375] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a90d7a0
[   28.706626][  T375] R13: 00000000004a1620 R14: 0000000000000000 R15: 00007ffd403600d0
| [   29.836306][  T385] softirqs last disabled at (20442): netif_change_name (./include/linux/spinlock.h:353 ./include/linux/seqlock.h:908 net/core/dev.c:1499)
| [   29.836309][  T385] Preemption disabled at:
| [   29.836310][  T385] vprintk_emit (kernel/printk/printk.c:2471)
| [   29.836319][  T385] Tainted: [W]=WARN
[   29.836320][  T385] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   29.836322][  T385] Call Trace:
[   29.836323][  T385]  <TASK>
[   29.836325][  T385]  dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120)
[   29.836330][  T385]  ? vprintk_emit (kernel/printk/printk.c:2471)
[   29.836332][  T385]  __might_resched.cold (kernel/sched/core.c:9234)
[   29.836337][  T385]  ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3))
[   29.836340][  T385]  ? __kmalloc_noprof (./include/linux/sched/mm.h:317 mm/slub.c:4636 mm/slub.c:4974 mm/slub.c:5413 mm/slub.c:5439)
[   29.836346][  T385]  __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))
[   29.836348][  T385]  ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[   29.836355][  T385]  ? 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)
[   29.836358][  T385]  alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[   29.836361][  T385]  put_chars (drivers/char/virtio_console.c:1176)
[   29.836364][  T385]  ? __send_to_port (drivers/char/virtio_console.c:654)
[   29.836368][  T385]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380)
[   29.836372][  T385]  ? validate_chain (kernel/locking/lockdep.c:3817 (discriminator 2) kernel/locking/lockdep.c:3837 (discriminator 2) kernel/locking/lockdep.c:3892 (discriminator 2))
[   29.836376][  T385]  hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2))
[   29.836380][  T385]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   29.836382][  T385]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   29.836387][  T385]  ? hvc_write (drivers/tty/hvc/hvc_console.c:501)
[   29.836390][  T385]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   29.836393][  T385]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   29.836397][  T385]  console_emit_next_record (kernel/printk/printk.c:3183)
[   29.836401][  T385]  ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20)
[   29.836402][  T385]  ? 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))
[   29.836405][  T385]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   29.836407][  T385]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   29.836411][  T385]  console_flush_one_record (kernel/printk/printk.c:3268)
[   29.836415][  T385]  ? console_emit_next_record (kernel/printk/printk.c:3150)
[   29.836417][  T385]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   29.836422][  T385]  console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420)
[   29.836425][  T385]  ? console_flush_one_record (kernel/printk/printk.c:3316)
[   29.836426][  T385]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   29.836428][  T385]  ? lock_acquire (kernel/locking/lockdep.c:5913)
[   29.836432][  T385]  ? __down_trylock_console_sem (kernel/printk/printk.c:334)
[   29.836434][  T385]  ? vprintk_emit (kernel/printk/printk.c:2478)
[   29.836437][  T385]  vprintk_emit (kernel/printk/printk.c:2479)
[   29.836441][  T385]  ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126))
[   29.836443][  T385]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   29.836445][  T385]  ? save_trace (kernel/locking/lockdep.c:154 (discriminator 6) kernel/locking/lockdep.c:150 (discriminator 6) kernel/locking/lockdep.c:202 (discriminator 6) kernel/locking/lockdep.c:577 (discriminator 6))
[   29.836447][  T385]  ? find_held_lock (kernel/locking/lockdep.c:5360)
[   29.836451][  T385]  _printk (kernel/printk/printk.c:2504)
[   29.836455][  T385]  ? snapshot_read.cold (user.c:?)
[   29.836457][  T385]  ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4116 (discriminator 3) kernel/rcu/tree.c:4108 (discriminator 3))
[   29.836460][  T385]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380)
[   29.836462][  T385]  ? validate_chain (kernel/locking/lockdep.c:3817 (discriminator 2) kernel/locking/lockdep.c:3837 (discriminator 2) kernel/locking/lockdep.c:3892 (discriminator 2))
[   29.836464][  T385]  ? netdev_name (./include/linux/netdevice.h:5709 (discriminator 1))
[   29.836467][  T385]  ? __netdev_printk (net/core/dev.c:13148 (discriminator 2))
[   29.836470][  T385]  ? do_setlink.isra.0 (net/core/rtnetlink.c:3246)
[   29.836472][  T385]  netdev_info (net/core/dev.c:13195 (discriminator 3))
[   29.836475][  T385]  ? netdev_notice (net/core/dev.c:13194)
[   29.836478][  T385]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[   29.836481][  T385]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554)
[   29.836484][  T385]  ? mark_held_locks (kernel/locking/lockdep.c:4341)
[   29.836488][  T385]  ? do_setlink.isra.0 (net/core/rtnetlink.c:3246)
[   29.836490][  T385]  netif_change_name.cold (net/core/dev.c:1507 (discriminator 3))
[   29.836493][  T385]  ? 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))
[   29.836500][  T385]  ? netdev_adjacent_rename_links (net/core/dev.c:9598)
[   29.836502][  T385]  ? __kernel_text_address (kernel/extable.c:79)
[   29.836505][  T385]  ? write_profile (profile.c:?)
[   29.836509][  T385]  ? __asan_memset (mm/kasan/shadow.c:84 (discriminator 1))
[   29.836515][  T385]  do_setlink.isra.0 (net/core/rtnetlink.c:3246)
[   29.836519][  T385]  ? stack_trace_save (kernel/stacktrace.c:122 (discriminator 1))
[   29.836521][  T385]  ? rtnl_link_get_size (net/core/rtnetlink.c:747)
[   29.836523][  T385]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:388 kernel/rcu/update.c:380)
[   29.836525][  T385]  ? stack_depot_save_flags (lib/stackdepot.c:609 (discriminator 2) lib/stackdepot.c:676 (discriminator 2))
[   29.836529][  T385]  ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4116 (discriminator 3) kernel/rcu/tree.c:4108 (discriminator 3))
[   29.836531][  T385]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380)
[   29.836533][  T385]  ? validate_chain (kernel/locking/lockdep.c:3817 (discriminator 2) kernel/locking/lockdep.c:3837 (discriminator 2) kernel/locking/lockdep.c:3892 (discriminator 2))
[   29.836536][  T385]  ? kasan_save_stack (mm/kasan/common.c:58)
[   29.836539][  T385]  ? kasan_save_stack (mm/kasan/common.c:57)
[   29.836541][  T385]  ? kasan_save_track (mm/kasan/common.c:78)
[   29.836544][  T385]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   29.836546][  T385]  ? netlink_update_listeners (net/netlink/af_netlink.c:532)
[   29.836549][  T385]  ? ___sys_sendmsg (net/socket.c:2744 net/socket.c:2763)
[   29.836554][  T385]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2))
[   29.836556][  T385]  ? rtnl_newlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:366 net/core/rtnetlink.c:4214)
[   29.836559][  T385]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   29.836560][  T385]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   29.836562][  T385]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   29.836564][  T385]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   29.836565][  T385]  ? trace_contention_end (./include/trace/events/lock.h:121 (discriminator 22))
[   29.836568][  T385]  ? __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)
[   29.836572][  T385]  ? __mutex_lock (kernel/locking/mutex.c:656 (discriminator 1) kernel/locking/mutex.c:821 (discriminator 1))
[   29.836581][  T385]  ? rtnl_newlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:366 net/core/rtnetlink.c:4214)
[   29.836584][  T385]  ? ww_mutex_lock (kernel/locking/mutex.c:934)
[   29.836586][  T385]  ? nla_get_range_signed (lib/nlattr.c:270)
[   29.836592][  T385]  ? __rtnl_newlink (net/core/rtnetlink.c:4063)
[   29.836598][  T385]  rtnl_newlink (net/core/rtnetlink.c:4215)
[   29.836603][  T385]  ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558)
[   29.836605][  T385]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   29.836610][  T385]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2))
[   29.836612][  T385]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[   29.836614][  T385]  ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558)
[   29.836616][  T385]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554)
[   29.836620][  T385]  ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558)
[   29.836622][  T385]  rtnetlink_rcv_msg (net/core/rtnetlink.c:7132)
[   29.836625][  T385]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   29.836627][  T385]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   29.836631][  T385]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2))
[   29.836633][  T385]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[   29.836637][  T385]  netlink_rcv_skb (net/netlink/af_netlink.c:2556)
[   29.836639][  T385]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   29.836642][  T385]  ? netlink_ack (./include/linux/skbuff.h:2718)
[   29.836648][  T385]  ? 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))
[   29.836650][  T385]  ? 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))
[   29.836654][  T385]  netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[   29.836658][  T385]  ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[   29.836661][  T385]  ? __lock_acquire (kernel/locking/lockdep.c:5251 (discriminator 3))
[   29.836665][  T385]  netlink_sendmsg (net/netlink/af_netlink.c:1900)
[   29.836669][  T385]  ? netlink_unicast (./include/net/net_namespace.h:422 (discriminator 7))
[   29.836671][  T385]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554)
[   29.836674][  T385]  ? __might_fault (mm/memory.c:7482 (discriminator 5))
[   29.836677][  T385]  ? __might_fault (mm/memory.c:7482 (discriminator 5))
[   29.836682][  T385]  ____sys_sendmsg (net/socket.c:800 (discriminator 4) net/socket.c:815 (discriminator 4) net/socket.c:2713 (discriminator 4))
[   29.836684][  T385]  ? copy_msghdr_from_user (net/socket.c:2650)
[   29.836686][  T385]  ? get_timestamp.constprop.0 (./include/linux/netdevice.h:5399)
[   29.836688][  T385]  ? move_addr_to_kernel (./include/linux/audit.h:354 (discriminator 1))
[   29.836695][  T385]  ___sys_sendmsg (net/socket.c:2767)
[   29.836698][  T385]  ? copy_msghdr_from_user (net/socket.c:2619)
[   29.836717][  T385]  __sys_sendmsg (net/socket.c:2799)
[   29.836721][  T385]  ? __sys_sendmsg_sock (net/socket.c:2780)
[   29.836727][  T385]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   29.836730][  T385]  do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84)
[   29.836733][  T385]  ? exc_page_fault (arch/x86/mm/fault.c:1489 (discriminator 3) arch/x86/mm/fault.c:1536 (discriminator 3))
[   29.836737][  T385]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[   29.836739][  T385] RIP: 0033:0x7faaa047d54e
[   29.836743][  T385] 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
[   29.836745][  T385] RSP: 002b:00007fff2e0bef10 EFLAGS: 00000202 ORIG_RAX: 000000000000002e
[   29.836747][  T385] RAX: ffffffffffffffda RBX: 0000000000000003 RCX: 00007faaa047d54e
[   29.836749][  T385] RDX: 0000000000000000 RSI: 00007fff2e0befc0 RDI: 0000000000000005
[   29.836749][  T385] RBP: 00007fff2e0bef20 R08: 0000000000000000 R09: 0000000000000000
[   29.836750][  T385] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a90d7a1
[   29.836751][  T385] R13: 00000000004a1620 R14: 0000000000000000 R15: 00007fff2e0bf690
| [   30.989469][  T391] softirqs last disabled at (33930): netif_change_name (./include/linux/spinlock.h:353 ./include/linux/seqlock.h:908 net/core/dev.c:1499)
| [   30.989473][  T391] Preemption disabled at:
| [   30.989474][  T391] vprintk_emit (kernel/printk/printk.c:2471)
| [   30.989485][  T391] Tainted: [W]=WARN
[   30.989487][  T391] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   30.989489][  T391] Call Trace:
[   30.989491][  T391]  <TASK>
[   30.989494][  T391]  dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120)
[   30.989500][  T391]  ? vprintk_emit (kernel/printk/printk.c:2471)
[   30.989503][  T391]  __might_resched.cold (kernel/sched/core.c:9234)
[   30.989509][  T391]  ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3))
[   30.989514][  T391]  ? __kmalloc_noprof (./include/linux/sched/mm.h:317 mm/slub.c:4636 mm/slub.c:4974 mm/slub.c:5413 mm/slub.c:5439)
[   30.989521][  T391]  __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))
[   30.989525][  T391]  ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[   30.989535][  T391]  ? 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)
[   30.989539][  T391]  alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[   30.989544][  T391]  put_chars (drivers/char/virtio_console.c:1176)
[   30.989549][  T391]  ? __send_to_port (drivers/char/virtio_console.c:654)
[   30.989555][  T391]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380)
[   30.989560][  T391]  ? validate_chain (kernel/locking/lockdep.c:3817 (discriminator 2) kernel/locking/lockdep.c:3837 (discriminator 2) kernel/locking/lockdep.c:3892 (discriminator 2))
[   30.989568][  T391]  hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2))
[   30.989573][  T391]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   30.989575][  T391]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   30.989589][  T391]  ? hvc_write (drivers/tty/hvc/hvc_console.c:501)
[   30.989595][  T391]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   30.989599][  T391]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   30.989607][  T391]  console_emit_next_record (kernel/printk/printk.c:3183)
[   30.989613][  T391]  ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20)
[   30.989615][  T391]  ? 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))
[   30.989620][  T391]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   30.989623][  T391]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   30.989630][  T391]  console_flush_one_record (kernel/printk/printk.c:3268)
[   30.989637][  T391]  ? console_emit_next_record (kernel/printk/printk.c:3150)
[   30.989639][  T391]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   30.989649][  T391]  console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420)
[   30.989653][  T391]  ? console_flush_one_record (kernel/printk/printk.c:3316)
[   30.989655][  T391]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   30.989658][  T391]  ? lock_acquire (kernel/locking/lockdep.c:5913)
[   30.989665][  T391]  ? __down_trylock_console_sem (kernel/printk/printk.c:334)
[   30.989668][  T391]  ? vprintk_emit (kernel/printk/printk.c:2478)
[   30.989673][  T391]  vprintk_emit (kernel/printk/printk.c:2479)
[   30.989679][  T391]  ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126))
[   30.989682][  T391]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   30.989685][  T391]  ? save_trace (kernel/locking/lockdep.c:154 (discriminator 6) kernel/locking/lockdep.c:150 (discriminator 6) kernel/locking/lockdep.c:202 (discriminator 6) kernel/locking/lockdep.c:577 (discriminator 6))
[   30.989688][  T391]  ? find_held_lock (kernel/locking/lockdep.c:5360)
[   30.989695][  T391]  _printk (kernel/printk/printk.c:2504)
[   30.989700][  T391]  ? snapshot_read.cold (user.c:?)
[   30.989703][  T391]  ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4116 (discriminator 3) kernel/rcu/tree.c:4108 (discriminator 3))
[   30.989708][  T391]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380)
[   30.989711][  T391]  ? validate_chain (kernel/locking/lockdep.c:3817 (discriminator 2) kernel/locking/lockdep.c:3837 (discriminator 2) kernel/locking/lockdep.c:3892 (discriminator 2))
[   30.989714][  T391]  ? netdev_name (./include/linux/netdevice.h:5709 (discriminator 1))
[   30.989719][  T391]  ? __netdev_printk (net/core/dev.c:13148 (discriminator 2))
[   30.989724][  T391]  ? do_setlink.isra.0 (net/core/rtnetlink.c:3246)
[   30.989728][  T391]  netdev_info (net/core/dev.c:13195 (discriminator 3))
[   30.989732][  T391]  ? netdev_notice (net/core/dev.c:13194)
[   30.989736][  T391]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[   30.989741][  T391]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554)
[   30.989745][  T391]  ? mark_held_locks (kernel/locking/lockdep.c:4341)
[   30.989752][  T391]  ? do_setlink.isra.0 (net/core/rtnetlink.c:3246)
[   30.989755][  T391]  netif_change_name.cold (net/core/dev.c:1507 (discriminator 3))
[   30.989760][  T391]  ? 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))
[   30.989769][  T391]  ? netdev_adjacent_rename_links (net/core/dev.c:9598)
[   30.989773][  T391]  ? __kernel_text_address (kernel/extable.c:79)
[   30.989777][  T391]  ? write_profile (profile.c:?)
[   30.989783][  T391]  ? __asan_memset (mm/kasan/shadow.c:84 (discriminator 1))
[   30.989792][  T391]  do_setlink.isra.0 (net/core/rtnetlink.c:3246)
[   30.989799][  T391]  ? stack_trace_save (kernel/stacktrace.c:122 (discriminator 1))
[   30.989803][  T391]  ? rtnl_link_get_size (net/core/rtnetlink.c:747)
[   30.989805][  T391]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:388 kernel/rcu/update.c:380)
[   30.989808][  T391]  ? stack_depot_save_flags (lib/stackdepot.c:609 (discriminator 2) lib/stackdepot.c:676 (discriminator 2))
[   30.989813][  T391]  ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4116 (discriminator 3) kernel/rcu/tree.c:4108 (discriminator 3))
[   30.989817][  T391]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380)
[   30.989820][  T391]  ? validate_chain (kernel/locking/lockdep.c:3817 (discriminator 2) kernel/locking/lockdep.c:3837 (discriminator 2) kernel/locking/lockdep.c:3892 (discriminator 2))
[   30.989825][  T391]  ? kasan_save_stack (mm/kasan/common.c:58)
[   30.989828][  T391]  ? kasan_save_stack (mm/kasan/common.c:57)
[   30.989831][  T391]  ? kasan_save_track (mm/kasan/common.c:78)
[   30.989836][  T391]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   30.989839][  T391]  ? netlink_update_listeners (net/netlink/af_netlink.c:532)
[   30.989843][  T391]  ? ___sys_sendmsg (net/socket.c:2744 net/socket.c:2763)
[   30.989850][  T391]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2))
[   30.989853][  T391]  ? rtnl_newlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:366 net/core/rtnetlink.c:4214)
[   30.989858][  T391]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   30.989861][  T391]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   30.989864][  T391]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   30.989866][  T391]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   30.989869][  T391]  ? trace_contention_end (./include/trace/events/lock.h:121 (discriminator 22))
[   30.989874][  T391]  ? __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)
[   30.989878][  T391]  ? __mutex_lock (kernel/locking/mutex.c:656 (discriminator 1) kernel/locking/mutex.c:821 (discriminator 1))
[   30.989882][  T391]  ? rtnl_newlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:366 net/core/rtnetlink.c:4214)
[   30.989888][  T391]  ? ww_mutex_lock (kernel/locking/mutex.c:934)
[   30.989891][  T391]  ? nla_get_range_signed (lib/nlattr.c:270)
[   30.989901][  T391]  ? __rtnl_newlink (net/core/rtnetlink.c:4063)
[   30.989911][  T391]  rtnl_newlink (net/core/rtnetlink.c:4215)
[   30.989921][  T391]  ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558)
[   30.989924][  T391]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   30.989933][  T391]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2))
[   30.989936][  T391]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[   30.989939][  T391]  ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558)
[   30.989942][  T391]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554)
[   30.989949][  T391]  ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558)
[   30.989953][  T391]  rtnetlink_rcv_msg (net/core/rtnetlink.c:7132)
[   30.989958][  T391]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   30.989960][  T391]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   30.989968][  T391]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2))
[   30.989972][  T391]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[   30.989978][  T391]  netlink_rcv_skb (net/netlink/af_netlink.c:2556)
[   30.989981][  T391]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   30.989986][  T391]  ? netlink_ack (./include/linux/skbuff.h:2718)
[   30.989998][  T391]  ? 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))
[   30.990000][  T391]  ? 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))
[   30.990008][  T391]  netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[   30.990015][  T391]  ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[   30.990020][  T391]  ? __lock_acquire (kernel/locking/lockdep.c:5251 (discriminator 3))
[   30.990027][  T391]  netlink_sendmsg (net/netlink/af_netlink.c:1900)
[   30.990034][  T391]  ? netlink_unicast (./include/net/net_namespace.h:422 (discriminator 7))
[   30.990036][  T391]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554)
[   30.990041][  T391]  ? __might_fault (mm/memory.c:7482 (discriminator 5))
[   30.990046][  T391]  ? __might_fault (mm/memory.c:7482 (discriminator 5))
[   30.990053][  T391]  ____sys_sendmsg (net/socket.c:800 (discriminator 4) net/socket.c:815 (discriminator 4) net/socket.c:2713 (discriminator 4))
[   30.990057][  T391]  ? copy_msghdr_from_user (net/socket.c:2650)
[   30.990061][  T391]  ? get_timestamp.constprop.0 (./include/linux/netdevice.h:5399)
[   30.990064][  T391]  ? move_addr_to_kernel (./include/linux/audit.h:354 (discriminator 1))
[   30.990077][  T391]  ___sys_sendmsg (net/socket.c:2767)
[   30.990082][  T391]  ? copy_msghdr_from_user (net/socket.c:2619)
[   30.990113][  T391]  __sys_sendmsg (net/socket.c:2799)
[   30.990118][  T391]  ? __sys_sendmsg_sock (net/socket.c:2780)
[   30.990130][  T391]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   30.990135][  T391]  do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84)
[   30.990139][  T391]  ? exc_page_fault (arch/x86/mm/fault.c:1489 (discriminator 3) arch/x86/mm/fault.c:1536 (discriminator 3))
[   30.990144][  T391]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[   30.990148][  T391] RIP: 0033:0x7f0b752cc54e
[   30.990153][  T391] 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
[   30.990155][  T391] RSP: 002b:00007ffeb83995a0 EFLAGS: 00000202 ORIG_RAX: 000000000000002e
[   30.990159][  T391] RAX: ffffffffffffffda RBX: 0000000000000003 RCX: 00007f0b752cc54e
[   30.990161][  T391] RDX: 0000000000000000 RSI: 00007ffeb8399650 RDI: 0000000000000005
[   30.990162][  T391] RBP: 00007ffeb83995b0 R08: 0000000000000000 R09: 0000000000000000
[   30.990164][  T391] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a90d7a2
[   30.990165][  T391] R13: 00000000004a1620 R14: 0000000000000000 R15: 00007ffeb8399d20
| [   32.087802][  T398] softirqs last disabled at (28303): __irq_exit_rcu (kernel/softirq.c:679 kernel/softirq.c:519 kernel/softirq.c:767)
| [   32.087806][  T398] Preemption disabled at:
| [   32.087807][  T398] vprintk_emit (kernel/printk/printk.c:2471)
| [   32.087818][  T398] Tainted: [W]=WARN
[   32.087819][  T398] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   32.087821][  T398] Call Trace:
[   32.087824][  T398]  <TASK>
[   32.087826][  T398]  dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120)
[   32.087832][  T398]  ? vprintk_emit (kernel/printk/printk.c:2471)
[   32.087835][  T398]  __might_resched.cold (kernel/sched/core.c:9234)
[   32.087841][  T398]  ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3))
[   32.087845][  T398]  ? __kmalloc_noprof (./include/linux/sched/mm.h:317 mm/slub.c:4636 mm/slub.c:4974 mm/slub.c:5413 mm/slub.c:5439)
[   32.087853][  T398]  __kmalloc_noprof (./include/linux/sched/mm.h:322 (discriminator 2) mm/slub.c:4636 (discriminator 2) mm/slub.c:4974 (discriminator 2) mm/slub.c:5413 (discriminator 2) mm/slub.c:5439 (discriminator 2))
[   32.087856][  T398]  ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[   32.087865][  T398]  ? do_raw_spin_unlock (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:32 ./include/asm-generic/qspinlock.h:58 kernel/locking/spinlock_debug.c:101 kernel/locking/spinlock_debug.c:141)
[   32.087869][  T398]  alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[   32.087874][  T398]  put_chars (drivers/char/virtio_console.c:1176)
[   32.087879][  T398]  ? __send_to_port (drivers/char/virtio_console.c:654)
[   32.087885][  T398]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380)
[   32.087890][  T398]  ? validate_chain (kernel/locking/lockdep.c:3817 (discriminator 2) kernel/locking/lockdep.c:3837 (discriminator 2) kernel/locking/lockdep.c:3892 (discriminator 2))
[   32.087897][  T398]  hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2))
[   32.087902][  T398]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   32.087904][  T398]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   32.087912][  T398]  ? hvc_write (drivers/tty/hvc/hvc_console.c:501)
[   32.087918][  T398]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   32.087922][  T398]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   32.087929][  T398]  console_emit_next_record (kernel/printk/printk.c:3183)
[   32.087934][  T398]  ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20)
[   32.087937][  T398]  ? console_flush_one_record (./include/linux/rcupdate.h:314 (discriminator 2) ./include/linux/srcu.h:439 (discriminator 2) kernel/printk/printk.c:291 (discriminator 2) kernel/printk/printk.c:3246 (discriminator 2))
[   32.087941][  T398]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   32.087944][  T398]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   32.087951][  T398]  console_flush_one_record (kernel/printk/printk.c:3268)
[   32.087958][  T398]  ? console_emit_next_record (kernel/printk/printk.c:3150)
[   32.087960][  T398]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   32.087969][  T398]  console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420)
[   32.087973][  T398]  ? console_flush_one_record (kernel/printk/printk.c:3316)
[   32.087975][  T398]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   32.087978][  T398]  ? lock_acquire (kernel/locking/lockdep.c:5913)
[   32.087985][  T398]  ? __down_trylock_console_sem (kernel/printk/printk.c:334)
[   32.087987][  T398]  ? vprintk_emit (kernel/printk/printk.c:2478)
[   32.087992][  T398]  vprintk_emit (kernel/printk/printk.c:2479)
[   32.087998][  T398]  ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126))
[   32.088001][  T398]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   32.088004][  T398]  ? save_trace (kernel/locking/lockdep.c:154 (discriminator 6) kernel/locking/lockdep.c:150 (discriminator 6) kernel/locking/lockdep.c:202 (discriminator 6) kernel/locking/lockdep.c:577 (discriminator 6))
[   32.088007][  T398]  ? find_held_lock (kernel/locking/lockdep.c:5360)
[   32.088014][  T398]  _printk (kernel/printk/printk.c:2504)
[   32.088019][  T398]  ? snapshot_read.cold (user.c:?)
[   32.088022][  T398]  ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4116 (discriminator 3) kernel/rcu/tree.c:4108 (discriminator 3))
[   32.088026][  T398]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380)
[   32.088029][  T398]  ? validate_chain (kernel/locking/lockdep.c:3817 (discriminator 2) kernel/locking/lockdep.c:3837 (discriminator 2) kernel/locking/lockdep.c:3892 (discriminator 2))
[   32.088033][  T398]  ? netdev_name (./include/linux/netdevice.h:5709 (discriminator 1))
[   32.088037][  T398]  ? __netdev_printk (net/core/dev.c:13148 (discriminator 2))
[   32.088042][  T398]  ? do_setlink.isra.0 (net/core/rtnetlink.c:3246)
[   32.088045][  T398]  netdev_info (net/core/dev.c:13195 (discriminator 3))
[   32.088049][  T398]  ? netdev_notice (net/core/dev.c:13194)
[   32.088054][  T398]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[   32.088058][  T398]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554)
[   32.088063][  T398]  ? mark_held_locks (kernel/locking/lockdep.c:4341)
[   32.088068][  T398]  ? do_setlink.isra.0 (net/core/rtnetlink.c:3246)
[   32.088072][  T398]  netif_change_name.cold (net/core/dev.c:1507 (discriminator 3))
[   32.088077][  T398]  ? is_bpf_text_address (./include/linux/rcupdate.h:319 (discriminator 2) ./include/linux/rcupdate.h:880 (discriminator 2) kernel/bpf/core.c:751 (discriminator 2))
[   32.088085][  T398]  ? netdev_adjacent_rename_links (net/core/dev.c:9598)
[   32.088090][  T398]  ? __kernel_text_address (kernel/extable.c:79)
[   32.088094][  T398]  ? write_profile (profile.c:?)
[   32.088100][  T398]  ? __asan_memset (mm/kasan/shadow.c:84 (discriminator 1))
[   32.088108][  T398]  do_setlink.isra.0 (net/core/rtnetlink.c:3246)
[   32.088116][  T398]  ? stack_trace_save (kernel/stacktrace.c:122 (discriminator 1))
[   32.088119][  T398]  ? rtnl_link_get_size (net/core/rtnetlink.c:747)
[   32.088121][  T398]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:388 kernel/rcu/update.c:380)
[   32.088124][  T398]  ? stack_depot_save_flags (lib/stackdepot.c:609 (discriminator 2) lib/stackdepot.c:676 (discriminator 2))
[   32.088129][  T398]  ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4116 (discriminator 3) kernel/rcu/tree.c:4108 (discriminator 3))
[   32.088132][  T398]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380)
[   32.088135][  T398]  ? validate_chain (kernel/locking/lockdep.c:3817 (discriminator 2) kernel/locking/lockdep.c:3837 (discriminator 2) kernel/locking/lockdep.c:3892 (discriminator 2))
[   32.088140][  T398]  ? kasan_save_stack (mm/kasan/common.c:58)
[   32.088144][  T398]  ? kasan_save_stack (mm/kasan/common.c:57)
[   32.088146][  T398]  ? kasan_save_track (mm/kasan/common.c:78)
[   32.088151][  T398]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   32.088154][  T398]  ? netlink_update_listeners (net/netlink/af_netlink.c:532)
[   32.088158][  T398]  ? ___sys_sendmsg (net/socket.c:2744 net/socket.c:2763)
[   32.088165][  T398]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2))
[   32.088168][  T398]  ? rtnl_newlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:366 net/core/rtnetlink.c:4214)
[   32.088173][  T398]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   32.088176][  T398]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   32.088178][  T398]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   32.088181][  T398]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   32.088184][  T398]  ? trace_contention_end (./include/trace/events/lock.h:121 (discriminator 22))
[   32.088188][  T398]  ? __mutex_lock (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:3188 kernel/locking/mutex.c:89 kernel/locking/mutex.c:134 kernel/locking/mutex.c:649 kernel/locking/mutex.c:821)
[   32.088192][  T398]  ? __mutex_lock (kernel/locking/mutex.c:656 (discriminator 1) kernel/locking/mutex.c:821 (discriminator 1))
[   32.088196][  T398]  ? rtnl_newlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:366 net/core/rtnetlink.c:4214)
[   32.088202][  T398]  ? ww_mutex_lock (kernel/locking/mutex.c:934)
[   32.088205][  T398]  ? nla_get_range_signed (lib/nlattr.c:270)
[   32.088215][  T398]  ? __rtnl_newlink (net/core/rtnetlink.c:4063)
[   32.088224][  T398]  rtnl_newlink (net/core/rtnetlink.c:4215)
[   32.088234][  T398]  ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558)
[   32.088239][  T398]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   32.088249][  T398]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2))
[   32.088252][  T398]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[   32.088256][  T398]  ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558)
[   32.088259][  T398]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554)
[   32.088265][  T398]  ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558)
[   32.088269][  T398]  rtnetlink_rcv_msg (net/core/rtnetlink.c:7132)
[   32.088274][  T398]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   32.088276][  T398]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   32.088284][  T398]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2))
[   32.088287][  T398]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[   32.088293][  T398]  netlink_rcv_skb (net/netlink/af_netlink.c:2556)
[   32.088296][  T398]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   32.088301][  T398]  ? netlink_ack (./include/linux/skbuff.h:2718)
[   32.088312][  T398]  ? netlink_deliver_tap (./include/linux/rcupdate.h:319 (discriminator 2) ./include/linux/rcupdate.h:880 (discriminator 2) ./include/net/netns/generic.h:48 (discriminator 2) net/netlink/af_netlink.c:334 (discriminator 2))
[   32.088314][  T398]  ? netlink_deliver_tap (./include/linux/rcupdate.h:319 (discriminator 2) ./include/linux/rcupdate.h:880 (discriminator 2) net/netlink/af_netlink.c:341 (discriminator 2))
[   32.088322][  T398]  netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[   32.088329][  T398]  ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[   32.088333][  T398]  ? __lock_acquire (kernel/locking/lockdep.c:5251 (discriminator 3))
[   32.088341][  T398]  netlink_sendmsg (net/netlink/af_netlink.c:1900)
[   32.088347][  T398]  ? netlink_unicast (./include/net/net_namespace.h:422 (discriminator 7))
[   32.088349][  T398]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554)
[   32.088355][  T398]  ? __might_fault (mm/memory.c:7482 (discriminator 5))
[   32.088359][  T398]  ? __might_fault (mm/memory.c:7482 (discriminator 5))
[   32.088366][  T398]  ____sys_sendmsg (net/socket.c:800 (discriminator 4) net/socket.c:815 (discriminator 4) net/socket.c:2713 (discriminator 4))
[   32.088370][  T398]  ? copy_msghdr_from_user (net/socket.c:2650)
[   32.088373][  T398]  ? get_timestamp.constprop.0 (./include/linux/netdevice.h:5399)
[   32.088376][  T398]  ? move_addr_to_kernel (./include/linux/audit.h:354 (discriminator 1))
[   32.088389][  T398]  ___sys_sendmsg (net/socket.c:2767)
[   32.088394][  T398]  ? copy_msghdr_from_user (net/socket.c:2619)
[   32.088424][  T398]  __sys_sendmsg (net/socket.c:2799)
[   32.088428][  T398]  ? __sys_sendmsg_sock (net/socket.c:2780)
[   32.088440][  T398]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   32.088445][  T398]  do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84)
[   32.088449][  T398]  ? exc_page_fault (arch/x86/mm/fault.c:1489 (discriminator 3) arch/x86/mm/fault.c:1536 (discriminator 3))
[   32.088454][  T398]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[   32.088457][  T398] RIP: 0033:0x7f87c033054e
[   32.088463][  T398] Code: 4d 89 d8 e8 b4 bd 00 00 4c 8b 5d f8 41 8b 93 08 03 00 00 59 5e 48 83 f8 fc 74 11 c9 c3 0f 1f 80 00 00 00 00 48 8b 45 10 0f 05 <c9> c3 83 e2 39 83 fa 08 75 e7 e8 03 ff ff ff 0f 1f 00 f3 0f 1e fa
All code
========
   0:	4d 89 d8             	mov    %r11,%r8
   3:	e8 b4 bd 00 00       	call   0xbdbc
   8:	4c 8b 5d f8          	mov    -0x8(%rbp),%r11
   c:	41 8b 93 08 03 00 00 	mov    0x308(%r11),%edx
  13:	59                   	pop    %rcx
  14:	5e                   	pop    %rsi
  15:	48 83 f8 fc          	cmp    $0xfffffffffffffffc,%rax
  19:	74 11                	je     0x2c
  1b:	c9                   	leave
  1c:	c3                   	ret
  1d:	0f 1f 80 00 00 00 00 	nopl   0x0(%rax)
  24:	48 8b 45 10          	mov    0x10(%rbp),%rax
  28:	0f 05                	syscall
  2a:*	c9                   	leave		<-- trapping instruction
  2b:	c3                   	ret
  2c:	83 e2 39             	and    $0x39,%edx
  2f:	83 fa 08             	cmp    $0x8,%edx
  32:	75 e7                	jne    0x1b
  34:	e8 03 ff ff ff       	call   0xffffffffffffff3c
  39:	0f 1f 00             	nopl   (%rax)
  3c:	f3 0f 1e fa          	endbr64

Code starting with the faulting instruction
===========================================
   0:	c9                   	leave
   1:	c3                   	ret
   2:	83 e2 39             	and    $0x39,%edx
   5:	83 fa 08             	cmp    $0x8,%edx
   8:	75 e7                	jne    0xfffffffffffffff1
   a:	e8 03 ff ff ff       	call   0xffffffffffffff12
   f:	0f 1f 00             	nopl   (%rax)
  12:	f3 0f 1e fa          	endbr64
[   32.088465][  T398] RSP: 002b:00007ffdb486a9e0 EFLAGS: 00000202 ORIG_RAX: 000000000000002e
[   32.088469][  T398] RAX: ffffffffffffffda RBX: 0000000000000003 RCX: 00007f87c033054e
[   32.088471][  T398] RDX: 0000000000000000 RSI: 00007ffdb486aa90 RDI: 0000000000000005
[   32.088472][  T398] RBP: 00007ffdb486a9f0 R08: 0000000000000000 R09: 0000000000000000
[   32.088473][  T398] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a90d7a3
[   32.088475][  T398] R13: 00000000004a1620 R14: 0000000000000000 R15: 00007ffdb486b160
| [   33.200181][  T406] softirqs last disabled at (17654): netif_change_name (./include/linux/spinlock.h:353 ./include/linux/seqlock.h:908 net/core/dev.c:1499)
| [   33.200183][  T406] Preemption disabled at:
| [   33.200184][  T406] vprintk_emit (kernel/printk/printk.c:2471)
| [   33.200192][  T406] Tainted: [W]=WARN
[   33.200194][  T406] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   33.200195][  T406] Call Trace:
[   33.200197][  T406]  <TASK>
[   33.200198][  T406]  dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120)
[   33.200204][  T406]  ? vprintk_emit (kernel/printk/printk.c:2471)
[   33.200205][  T406]  __might_resched.cold (kernel/sched/core.c:9234)
[   33.200210][  T406]  ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3))
[   33.200213][  T406]  ? __kmalloc_noprof (./include/linux/sched/mm.h:317 mm/slub.c:4636 mm/slub.c:4974 mm/slub.c:5413 mm/slub.c:5439)
[   33.200219][  T406]  __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))
[   33.200221][  T406]  ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[   33.200227][  T406]  ? 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)
[   33.200230][  T406]  alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[   33.200234][  T406]  put_chars (drivers/char/virtio_console.c:1176)
[   33.200237][  T406]  ? __send_to_port (drivers/char/virtio_console.c:654)
[   33.200244][  T406]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380)
[   33.200247][  T406]  ? validate_chain (kernel/locking/lockdep.c:3817 (discriminator 2) kernel/locking/lockdep.c:3837 (discriminator 2) kernel/locking/lockdep.c:3892 (discriminator 2))
[   33.200252][  T406]  hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2))
[   33.200256][  T406]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   33.200258][  T406]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   33.200262][  T406]  ? hvc_write (drivers/tty/hvc/hvc_console.c:501)
[   33.200266][  T406]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   33.200268][  T406]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   33.200273][  T406]  console_emit_next_record (kernel/printk/printk.c:3183)
[   33.200276][  T406]  ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20)
[   33.200277][  T406]  ? 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))
[   33.200280][  T406]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   33.200282][  T406]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   33.200286][  T406]  console_flush_one_record (kernel/printk/printk.c:3268)
[   33.200290][  T406]  ? console_emit_next_record (kernel/printk/printk.c:3150)
[   33.200291][  T406]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   33.200297][  T406]  console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420)
[   33.200299][  T406]  ? console_flush_one_record (kernel/printk/printk.c:3316)
[   33.200300][  T406]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   33.200302][  T406]  ? lock_acquire (kernel/locking/lockdep.c:5913)
[   33.200306][  T406]  ? __down_trylock_console_sem (kernel/printk/printk.c:334)
[   33.200308][  T406]  ? vprintk_emit (kernel/printk/printk.c:2478)
[   33.200311][  T406]  vprintk_emit (kernel/printk/printk.c:2479)
[   33.200315][  T406]  ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126))
[   33.200317][  T406]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   33.200319][  T406]  ? save_trace (kernel/locking/lockdep.c:154 (discriminator 6) kernel/locking/lockdep.c:150 (discriminator 6) kernel/locking/lockdep.c:202 (discriminator 6) kernel/locking/lockdep.c:577 (discriminator 6))
[   33.200321][  T406]  ? find_held_lock (kernel/locking/lockdep.c:5360)
[   33.200325][  T406]  _printk (kernel/printk/printk.c:2504)
[   33.200328][  T406]  ? snapshot_read.cold (user.c:?)
[   33.200330][  T406]  ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4116 (discriminator 3) kernel/rcu/tree.c:4108 (discriminator 3))
[   33.200333][  T406]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380)
[   33.200335][  T406]  ? validate_chain (kernel/locking/lockdep.c:3817 (discriminator 2) kernel/locking/lockdep.c:3837 (discriminator 2) kernel/locking/lockdep.c:3892 (discriminator 2))
[   33.200337][  T406]  ? netdev_name (./include/linux/netdevice.h:5709 (discriminator 1))
[   33.200341][  T406]  ? __netdev_printk (net/core/dev.c:13148 (discriminator 2))
[   33.200344][  T406]  ? do_setlink.isra.0 (net/core/rtnetlink.c:3246)
[   33.200346][  T406]  netdev_info (net/core/dev.c:13195 (discriminator 3))
[   33.200349][  T406]  ? netdev_notice (net/core/dev.c:13194)
[   33.200351][  T406]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[   33.200354][  T406]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554)
[   33.200357][  T406]  ? mark_held_locks (kernel/locking/lockdep.c:4341)
[   33.200361][  T406]  ? do_setlink.isra.0 (net/core/rtnetlink.c:3246)
[   33.200363][  T406]  netif_change_name.cold (net/core/dev.c:1507 (discriminator 3))
[   33.200366][  T406]  ? 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))
[   33.200372][  T406]  ? netdev_adjacent_rename_links (net/core/dev.c:9598)
[   33.200375][  T406]  ? __kernel_text_address (kernel/extable.c:79)
[   33.200378][  T406]  ? write_profile (profile.c:?)
[   33.200382][  T406]  ? __asan_memset (mm/kasan/shadow.c:84 (discriminator 1))
[   33.200387][  T406]  do_setlink.isra.0 (net/core/rtnetlink.c:3246)
[   33.200391][  T406]  ? stack_trace_save (kernel/stacktrace.c:122 (discriminator 1))
[   33.200393][  T406]  ? rtnl_link_get_size (net/core/rtnetlink.c:747)
[   33.200395][  T406]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:388 kernel/rcu/update.c:380)
[   33.200397][  T406]  ? stack_depot_save_flags (lib/stackdepot.c:609 (discriminator 2) lib/stackdepot.c:676 (discriminator 2))
[   33.200400][  T406]  ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4116 (discriminator 3) kernel/rcu/tree.c:4108 (discriminator 3))
[   33.200403][  T406]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380)
[   33.200405][  T406]  ? validate_chain (kernel/locking/lockdep.c:3817 (discriminator 2) kernel/locking/lockdep.c:3837 (discriminator 2) kernel/locking/lockdep.c:3892 (discriminator 2))
[   33.200407][  T406]  ? kasan_save_stack (mm/kasan/common.c:58)
[   33.200410][  T406]  ? kasan_save_stack (mm/kasan/common.c:57)
[   33.200412][  T406]  ? kasan_save_track (mm/kasan/common.c:78)
[   33.200415][  T406]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   33.200417][  T406]  ? netlink_update_listeners (net/netlink/af_netlink.c:532)
[   33.200420][  T406]  ? ___sys_sendmsg (net/socket.c:2744 net/socket.c:2763)
[   33.200425][  T406]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2))
[   33.200427][  T406]  ? rtnl_newlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:366 net/core/rtnetlink.c:4214)
[   33.200430][  T406]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   33.200432][  T406]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   33.200434][  T406]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   33.200435][  T406]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   33.200437][  T406]  ? trace_contention_end (./include/trace/events/lock.h:121 (discriminator 22))
[   33.200440][  T406]  ? __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)
[   33.200443][  T406]  ? __mutex_lock (kernel/locking/mutex.c:656 (discriminator 1) kernel/locking/mutex.c:821 (discriminator 1))
[   33.200446][  T406]  ? rtnl_newlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:366 net/core/rtnetlink.c:4214)
[   33.200449][  T406]  ? ww_mutex_lock (kernel/locking/mutex.c:934)
[   33.200451][  T406]  ? nla_get_range_signed (lib/nlattr.c:270)
[   33.200457][  T406]  ? __rtnl_newlink (net/core/rtnetlink.c:4063)
[   33.200462][  T406]  rtnl_newlink (net/core/rtnetlink.c:4215)
[   33.200468][  T406]  ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558)
[   33.200470][  T406]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   33.200475][  T406]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2))
[   33.200477][  T406]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[   33.200479][  T406]  ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558)
[   33.200481][  T406]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554)
[   33.200485][  T406]  ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558)
[   33.200487][  T406]  rtnetlink_rcv_msg (net/core/rtnetlink.c:7132)
[   33.200490][  T406]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   33.200491][  T406]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   33.200496][  T406]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2))
[   33.200498][  T406]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[   33.200502][  T406]  netlink_rcv_skb (net/netlink/af_netlink.c:2556)
[   33.200504][  T406]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   33.200507][  T406]  ? netlink_ack (./include/linux/skbuff.h:2718)
[   33.200513][  T406]  ? 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))
[   33.200514][  T406]  ? 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))
[   33.200519][  T406]  netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[   33.200523][  T406]  ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[   33.200526][  T406]  ? __lock_acquire (kernel/locking/lockdep.c:5251 (discriminator 3))
[   33.200530][  T406]  netlink_sendmsg (net/netlink/af_netlink.c:1900)
[   33.200534][  T406]  ? netlink_unicast (./include/net/net_namespace.h:422 (discriminator 7))
[   33.200535][  T406]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554)
[   33.200538][  T406]  ? __might_fault (mm/memory.c:7482 (discriminator 5))
[   33.200542][  T406]  ? __might_fault (mm/memory.c:7482 (discriminator 5))
[   33.200546][  T406]  ____sys_sendmsg (net/socket.c:800 (discriminator 4) net/socket.c:815 (discriminator 4) net/socket.c:2713 (discriminator 4))
[   33.200549][  T406]  ? copy_msghdr_from_user (net/socket.c:2650)
[   33.200551][  T406]  ? get_timestamp.constprop.0 (./include/linux/netdevice.h:5399)
[   33.200553][  T406]  ? move_addr_to_kernel (./include/linux/audit.h:354 (discriminator 1))
[   33.200560][  T406]  ___sys_sendmsg (net/socket.c:2767)
[   33.200563][  T406]  ? copy_msghdr_from_user (net/socket.c:2619)
[   33.200580][  T406]  __sys_sendmsg (net/socket.c:2799)
[   33.200583][  T406]  ? __sys_sendmsg_sock (net/socket.c:2780)
[   33.200589][  T406]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   33.200592][  T406]  do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84)
[   33.200595][  T406]  ? exc_page_fault (arch/x86/mm/fault.c:1489 (discriminator 3) arch/x86/mm/fault.c:1536 (discriminator 3))
[   33.200598][  T406]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[   33.200601][  T406] RIP: 0033:0x7f7a15d0954e
[   33.200610][  T406] 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
[   33.200612][  T406] RSP: 002b:00007ffe32c68bf0 EFLAGS: 00000202 ORIG_RAX: 000000000000002e
[   33.200614][  T406] RAX: ffffffffffffffda RBX: 0000000000000003 RCX: 00007f7a15d0954e
[   33.200616][  T406] RDX: 0000000000000000 RSI: 00007ffe32c68ca0 RDI: 0000000000000005
[   33.200617][  T406] RBP: 00007ffe32c68c00 R08: 0000000000000000 R09: 0000000000000000
[   33.200617][  T406] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a90d7a4
[   33.200618][  T406] R13: 00000000004a1620 R14: 0000000000000000 R15: 00007ffe32c69370
| [   34.309648][  T416] softirqs last disabled at (30326): netif_change_name (./include/linux/spinlock.h:353 ./include/linux/seqlock.h:908 net/core/dev.c:1499)
| [   34.309650][  T416] Preemption disabled at:
| [   34.309651][  T416] vprintk_emit (kernel/printk/printk.c:2471)
| [   34.309660][  T416] Tainted: [W]=WARN
[   34.309661][  T416] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   34.309662][  T416] Call Trace:
[   34.309664][  T416]  <TASK>
[   34.309665][  T416]  dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120)
[   34.309671][  T416]  ? vprintk_emit (kernel/printk/printk.c:2471)
[   34.309672][  T416]  __might_resched.cold (kernel/sched/core.c:9234)
[   34.309677][  T416]  ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3))
[   34.309680][  T416]  ? __kmalloc_noprof (./include/linux/sched/mm.h:317 mm/slub.c:4636 mm/slub.c:4974 mm/slub.c:5413 mm/slub.c:5439)
[   34.309685][  T416]  __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))
[   34.309688][  T416]  ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[   34.309694][  T416]  ? 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)
[   34.309697][  T416]  alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[   34.309700][  T416]  put_chars (drivers/char/virtio_console.c:1176)
[   34.309703][  T416]  ? __send_to_port (drivers/char/virtio_console.c:654)
[   34.309706][  T416]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380)
[   34.309710][  T416]  ? validate_chain (kernel/locking/lockdep.c:3817 (discriminator 2) kernel/locking/lockdep.c:3837 (discriminator 2) kernel/locking/lockdep.c:3892 (discriminator 2))
[   34.309717][  T416]  hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2))
[   34.309721][  T416]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   34.309723][  T416]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   34.309727][  T416]  ? hvc_write (drivers/tty/hvc/hvc_console.c:501)
[   34.309731][  T416]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   34.309733][  T416]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   34.309737][  T416]  console_emit_next_record (kernel/printk/printk.c:3183)
[   34.309741][  T416]  ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20)
[   34.309742][  T416]  ? 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))
[   34.309745][  T416]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   34.309746][  T416]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   34.309750][  T416]  console_flush_one_record (kernel/printk/printk.c:3268)
[   34.309754][  T416]  ? console_emit_next_record (kernel/printk/printk.c:3150)
[   34.309755][  T416]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   34.309761][  T416]  console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420)
[   34.309763][  T416]  ? console_flush_one_record (kernel/printk/printk.c:3316)
[   34.309764][  T416]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   34.309766][  T416]  ? lock_acquire (kernel/locking/lockdep.c:5913)
[   34.309770][  T416]  ? __down_trylock_console_sem (kernel/printk/printk.c:334)
[   34.309772][  T416]  ? vprintk_emit (kernel/printk/printk.c:2478)
[   34.309775][  T416]  vprintk_emit (kernel/printk/printk.c:2479)
[   34.309778][  T416]  ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126))
[   34.309780][  T416]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   34.309782][  T416]  ? save_trace (kernel/locking/lockdep.c:154 (discriminator 6) kernel/locking/lockdep.c:150 (discriminator 6) kernel/locking/lockdep.c:202 (discriminator 6) kernel/locking/lockdep.c:577 (discriminator 6))
[   34.309784][  T416]  ? find_held_lock (kernel/locking/lockdep.c:5360)
[   34.309788][  T416]  _printk (kernel/printk/printk.c:2504)
[   34.309791][  T416]  ? snapshot_read.cold (user.c:?)
[   34.309793][  T416]  ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4116 (discriminator 3) kernel/rcu/tree.c:4108 (discriminator 3))
[   34.309796][  T416]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380)
[   34.309798][  T416]  ? validate_chain (kernel/locking/lockdep.c:3817 (discriminator 2) kernel/locking/lockdep.c:3837 (discriminator 2) kernel/locking/lockdep.c:3892 (discriminator 2))
[   34.309800][  T416]  ? netdev_name (./include/linux/netdevice.h:5709 (discriminator 1))
[   34.309804][  T416]  ? __netdev_printk (net/core/dev.c:13148 (discriminator 2))
[   34.309806][  T416]  ? do_setlink.isra.0 (net/core/rtnetlink.c:3246)
[   34.309808][  T416]  netdev_info (net/core/dev.c:13195 (discriminator 3))
[   34.309811][  T416]  ? netdev_notice (net/core/dev.c:13194)
[   34.309814][  T416]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[   34.309817][  T416]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554)
[   34.309819][  T416]  ? mark_held_locks (kernel/locking/lockdep.c:4341)
[   34.309823][  T416]  ? do_setlink.isra.0 (net/core/rtnetlink.c:3246)
[   34.309825][  T416]  netif_change_name.cold (net/core/dev.c:1507 (discriminator 3))
[   34.309828][  T416]  ? 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))
[   34.309834][  T416]  ? netdev_adjacent_rename_links (net/core/dev.c:9598)
[   34.309837][  T416]  ? __kernel_text_address (kernel/extable.c:79)
[   34.309840][  T416]  ? write_profile (profile.c:?)
[   34.309844][  T416]  ? __asan_memset (mm/kasan/shadow.c:84 (discriminator 1))
[   34.309849][  T416]  do_setlink.isra.0 (net/core/rtnetlink.c:3246)
[   34.309853][  T416]  ? stack_trace_save (kernel/stacktrace.c:122 (discriminator 1))
[   34.309856][  T416]  ? rtnl_link_get_size (net/core/rtnetlink.c:747)
[   34.309857][  T416]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:388 kernel/rcu/update.c:380)
[   34.309859][  T416]  ? stack_depot_save_flags (lib/stackdepot.c:609 (discriminator 2) lib/stackdepot.c:676 (discriminator 2))
[   34.309862][  T416]  ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4116 (discriminator 3) kernel/rcu/tree.c:4108 (discriminator 3))
[   34.309865][  T416]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380)
[   34.309867][  T416]  ? validate_chain (kernel/locking/lockdep.c:3817 (discriminator 2) kernel/locking/lockdep.c:3837 (discriminator 2) kernel/locking/lockdep.c:3892 (discriminator 2))
[   34.309869][  T416]  ? kasan_save_stack (mm/kasan/common.c:58)
[   34.309872][  T416]  ? kasan_save_stack (mm/kasan/common.c:57)
[   34.309874][  T416]  ? kasan_save_track (mm/kasan/common.c:78)
[   34.309877][  T416]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   34.309879][  T416]  ? netlink_update_listeners (net/netlink/af_netlink.c:532)
[   34.309882][  T416]  ? ___sys_sendmsg (net/socket.c:2744 net/socket.c:2763)
[   34.309887][  T416]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2))
[   34.309889][  T416]  ? rtnl_newlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:366 net/core/rtnetlink.c:4214)
[   34.309892][  T416]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   34.309893][  T416]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   34.309895][  T416]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   34.309896][  T416]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   34.309898][  T416]  ? trace_contention_end (./include/trace/events/lock.h:121 (discriminator 22))
[   34.309901][  T416]  ? __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)
[   34.309904][  T416]  ? __mutex_lock (kernel/locking/mutex.c:656 (discriminator 1) kernel/locking/mutex.c:821 (discriminator 1))
[   34.309907][  T416]  ? rtnl_newlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:366 net/core/rtnetlink.c:4214)
[   34.309910][  T416]  ? ww_mutex_lock (kernel/locking/mutex.c:934)
[   34.309912][  T416]  ? nla_get_range_signed (lib/nlattr.c:270)
[   34.309918][  T416]  ? __rtnl_newlink (net/core/rtnetlink.c:4063)
[   34.309923][  T416]  rtnl_newlink (net/core/rtnetlink.c:4215)
[   34.309928][  T416]  ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558)
[   34.309930][  T416]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   34.309935][  T416]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2))
[   34.309937][  T416]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[   34.309939][  T416]  ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558)
[   34.309941][  T416]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554)
[   34.309945][  T416]  ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558)
[   34.309947][  T416]  rtnetlink_rcv_msg (net/core/rtnetlink.c:7132)
[   34.309950][  T416]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   34.309951][  T416]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   34.309956][  T416]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2))
[   34.309958][  T416]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[   34.309962][  T416]  netlink_rcv_skb (net/netlink/af_netlink.c:2556)
[   34.309963][  T416]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   34.309966][  T416]  ? netlink_ack (./include/linux/skbuff.h:2718)
[   34.309972][  T416]  ? 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))
[   34.309974][  T416]  ? 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))
[   34.309978][  T416]  netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[   34.309982][  T416]  ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[   34.309984][  T416]  ? __lock_acquire (kernel/locking/lockdep.c:5251 (discriminator 3))
[   34.309989][  T416]  netlink_sendmsg (net/netlink/af_netlink.c:1900)
[   34.309992][  T416]  ? netlink_unicast (./include/net/net_namespace.h:422 (discriminator 7))
[   34.309994][  T416]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554)
[   34.309997][  T416]  ? __might_fault (mm/memory.c:7482 (discriminator 5))
[   34.310001][  T416]  ? __might_fault (mm/memory.c:7482 (discriminator 5))
[   34.310005][  T416]  ____sys_sendmsg (net/socket.c:800 (discriminator 4) net/socket.c:815 (discriminator 4) net/socket.c:2713 (discriminator 4))
[   34.310007][  T416]  ? copy_msghdr_from_user (net/socket.c:2650)
[   34.310009][  T416]  ? get_timestamp.constprop.0 (./include/linux/netdevice.h:5399)
[   34.310011][  T416]  ? move_addr_to_kernel (./include/linux/audit.h:354 (discriminator 1))
[   34.310018][  T416]  ___sys_sendmsg (net/socket.c:2767)
[   34.310021][  T416]  ? copy_msghdr_from_user (net/socket.c:2619)
[   34.310037][  T416]  __sys_sendmsg (net/socket.c:2799)
[   34.310040][  T416]  ? __sys_sendmsg_sock (net/socket.c:2780)
[   34.310046][  T416]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   34.310050][  T416]  do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84)
[   34.310052][  T416]  ? exc_page_fault (arch/x86/mm/fault.c:1489 (discriminator 3) arch/x86/mm/fault.c:1536 (discriminator 3))
[   34.310056][  T416]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[   34.310058][  T416] RIP: 0033:0x7f36eab2d54e
[   34.310062][  T416] 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
[   34.310063][  T416] RSP: 002b:00007ffe1340bc20 EFLAGS: 00000202 ORIG_RAX: 000000000000002e
[   34.310066][  T416] RAX: ffffffffffffffda RBX: 0000000000000003 RCX: 00007f36eab2d54e
[   34.310067][  T416] RDX: 0000000000000000 RSI: 00007ffe1340bcd0 RDI: 0000000000000005
[   34.310068][  T416] RBP: 00007ffe1340bc30 R08: 0000000000000000 R09: 0000000000000000
[   34.310069][  T416] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a90d7a5
[   34.310069][  T416] R13: 00000000004a1620 R14: 0000000000000000 R15: 00007ffe1340c3a0
| [   35.389484][  T427] softirqs last disabled at (24304): netif_change_name (./include/linux/spinlock.h:353 ./include/linux/seqlock.h:908 net/core/dev.c:1499)
| [   35.389486][  T427] Preemption disabled at:
| [   35.389487][  T427] vprintk_emit (kernel/printk/printk.c:2471)
| [   35.389495][  T427] Tainted: [W]=WARN
[   35.389496][  T427] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   35.389498][  T427] Call Trace:
[   35.389500][  T427]  <TASK>
[   35.389501][  T427]  dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120)
[   35.389506][  T427]  ? vprintk_emit (kernel/printk/printk.c:2471)
[   35.389508][  T427]  __might_resched.cold (kernel/sched/core.c:9234)
[   35.389512][  T427]  ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3))
[   35.389515][  T427]  ? __kmalloc_noprof (./include/linux/sched/mm.h:317 mm/slub.c:4636 mm/slub.c:4974 mm/slub.c:5413 mm/slub.c:5439)
[   35.389520][  T427]  __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))
[   35.389523][  T427]  ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[   35.389529][  T427]  ? 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)
[   35.389532][  T427]  alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[   35.389535][  T427]  put_chars (drivers/char/virtio_console.c:1176)
[   35.389538][  T427]  ? __send_to_port (drivers/char/virtio_console.c:654)
[   35.389541][  T427]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380)
[   35.389545][  T427]  ? validate_chain (kernel/locking/lockdep.c:3817 (discriminator 2) kernel/locking/lockdep.c:3837 (discriminator 2) kernel/locking/lockdep.c:3892 (discriminator 2))
[   35.389550][  T427]  hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2))
[   35.389553][  T427]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   35.389555][  T427]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   35.389559][  T427]  ? hvc_write (drivers/tty/hvc/hvc_console.c:501)
[   35.389563][  T427]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   35.389566][  T427]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   35.389570][  T427]  console_emit_next_record (kernel/printk/printk.c:3183)
[   35.389573][  T427]  ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20)
[   35.389574][  T427]  ? 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))
[   35.389577][  T427]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   35.389579][  T427]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   35.389583][  T427]  console_flush_one_record (kernel/printk/printk.c:3268)
[   35.389587][  T427]  ? console_emit_next_record (kernel/printk/printk.c:3150)
[   35.389588][  T427]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   35.389593][  T427]  console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420)
[   35.389596][  T427]  ? console_flush_one_record (kernel/printk/printk.c:3316)
[   35.389597][  T427]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   35.389599][  T427]  ? lock_acquire (kernel/locking/lockdep.c:5913)
[   35.389603][  T427]  ? __down_trylock_console_sem (kernel/printk/printk.c:334)
[   35.389605][  T427]  ? vprintk_emit (kernel/printk/printk.c:2478)
[   35.389608][  T427]  vprintk_emit (kernel/printk/printk.c:2479)
[   35.389611][  T427]  ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126))
[   35.389614][  T427]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   35.389618][  T427]  _printk (kernel/printk/printk.c:2504)
[   35.389621][  T427]  ? snapshot_read.cold (user.c:?)
[   35.389629][  T427]  ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4116 (discriminator 3) kernel/rcu/tree.c:4108 (discriminator 3))
[   35.389632][  T427]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380)
[   35.389634][  T427]  ? validate_chain (kernel/locking/lockdep.c:3817 (discriminator 2) kernel/locking/lockdep.c:3837 (discriminator 2) kernel/locking/lockdep.c:3892 (discriminator 2))
[   35.389636][  T427]  ? netdev_name (./include/linux/netdevice.h:5709 (discriminator 1))
[   35.389640][  T427]  ? __netdev_printk (net/core/dev.c:13148 (discriminator 2))
[   35.389642][  T427]  ? do_setlink.isra.0 (net/core/rtnetlink.c:3246)
[   35.389644][  T427]  netdev_info (net/core/dev.c:13195 (discriminator 3))
[   35.389647][  T427]  ? netdev_notice (net/core/dev.c:13194)
[   35.389650][  T427]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[   35.389653][  T427]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554)
[   35.389655][  T427]  ? mark_held_locks (kernel/locking/lockdep.c:4341)
[   35.389659][  T427]  ? do_setlink.isra.0 (net/core/rtnetlink.c:3246)
[   35.389661][  T427]  netif_change_name.cold (net/core/dev.c:1507 (discriminator 3))
[   35.389665][  T427]  ? 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))
[   35.389671][  T427]  ? netdev_adjacent_rename_links (net/core/dev.c:9598)
[   35.389673][  T427]  ? __kernel_text_address (kernel/extable.c:79)
[   35.389676][  T427]  ? write_profile (profile.c:?)
[   35.389680][  T427]  ? __asan_memset (mm/kasan/shadow.c:84 (discriminator 1))
[   35.389685][  T427]  do_setlink.isra.0 (net/core/rtnetlink.c:3246)
[   35.389690][  T427]  ? stack_trace_save (kernel/stacktrace.c:122 (discriminator 1))
[   35.389692][  T427]  ? rtnl_link_get_size (net/core/rtnetlink.c:747)
[   35.389693][  T427]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:388 kernel/rcu/update.c:380)
[   35.389695][  T427]  ? stack_depot_save_flags (lib/stackdepot.c:609 (discriminator 2) lib/stackdepot.c:676 (discriminator 2))
[   35.389699][  T427]  ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4116 (discriminator 3) kernel/rcu/tree.c:4108 (discriminator 3))
[   35.389701][  T427]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380)
[   35.389703][  T427]  ? validate_chain (kernel/locking/lockdep.c:3817 (discriminator 2) kernel/locking/lockdep.c:3837 (discriminator 2) kernel/locking/lockdep.c:3892 (discriminator 2))
[   35.389706][  T427]  ? kasan_save_stack (mm/kasan/common.c:58)
[   35.389709][  T427]  ? kasan_save_stack (mm/kasan/common.c:57)
[   35.389710][  T427]  ? kasan_save_track (mm/kasan/common.c:78)
[   35.389715][  T427]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   35.389717][  T427]  ? netlink_update_listeners (net/netlink/af_netlink.c:532)
[   35.389720][  T427]  ? ___sys_sendmsg (net/socket.c:2744 net/socket.c:2763)
[   35.389725][  T427]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2))
[   35.389727][  T427]  ? rtnl_newlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:366 net/core/rtnetlink.c:4214)
[   35.389730][  T427]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   35.389732][  T427]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   35.389734][  T427]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   35.389735][  T427]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   35.389737][  T427]  ? trace_contention_end (./include/trace/events/lock.h:121 (discriminator 22))
[   35.389739][  T427]  ? __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)
[   35.389742][  T427]  ? __mutex_lock (kernel/locking/mutex.c:656 (discriminator 1) kernel/locking/mutex.c:821 (discriminator 1))
[   35.389745][  T427]  ? rtnl_newlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:366 net/core/rtnetlink.c:4214)
[   35.389748][  T427]  ? ww_mutex_lock (kernel/locking/mutex.c:934)
[   35.389750][  T427]  ? nla_get_range_signed (lib/nlattr.c:270)
[   35.389756][  T427]  ? __rtnl_newlink (net/core/rtnetlink.c:4063)
[   35.389761][  T427]  rtnl_newlink (net/core/rtnetlink.c:4215)
[   35.389766][  T427]  ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558)
[   35.389768][  T427]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   35.389773][  T427]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2))
[   35.389775][  T427]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[   35.389777][  T427]  ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558)
[   35.389779][  T427]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554)
[   35.389783][  T427]  ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558)
[   35.389785][  T427]  rtnetlink_rcv_msg (net/core/rtnetlink.c:7132)
[   35.389788][  T427]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   35.389789][  T427]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   35.389794][  T427]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2))
[   35.389796][  T427]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[   35.389799][  T427]  netlink_rcv_skb (net/netlink/af_netlink.c:2556)
[   35.389801][  T427]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   35.389804][  T427]  ? netlink_ack (./include/linux/skbuff.h:2718)
[   35.389810][  T427]  ? 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))
[   35.389811][  T427]  ? 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))
[   35.389815][  T427]  netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[   35.389819][  T427]  ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[   35.389822][  T427]  ? __lock_acquire (kernel/locking/lockdep.c:5251 (discriminator 3))
[   35.389826][  T427]  netlink_sendmsg (net/netlink/af_netlink.c:1900)
[   35.389830][  T427]  ? netlink_unicast (./include/net/net_namespace.h:422 (discriminator 7))
[   35.389831][  T427]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554)
[   35.389834][  T427]  ? __might_fault (mm/memory.c:7482 (discriminator 5))
[   35.389838][  T427]  ? __might_fault (mm/memory.c:7482 (discriminator 5))
[   35.389842][  T427]  ____sys_sendmsg (net/socket.c:800 (discriminator 4) net/socket.c:815 (discriminator 4) net/socket.c:2713 (discriminator 4))
[   35.389844][  T427]  ? copy_msghdr_from_user (net/socket.c:2650)
[   35.389846][  T427]  ? get_timestamp.constprop.0 (./include/linux/netdevice.h:5399)
[   35.389848][  T427]  ? move_addr_to_kernel (./include/linux/audit.h:354 (discriminator 1))
[   35.389855][  T427]  ___sys_sendmsg (net/socket.c:2767)
[   35.389858][  T427]  ? copy_msghdr_from_user (net/socket.c:2619)
[   35.389874][  T427]  __sys_sendmsg (net/socket.c:2799)
[   35.389877][  T427]  ? __sys_sendmsg_sock (net/socket.c:2780)
[   35.389883][  T427]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   35.389887][  T427]  do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84)
[   35.389889][  T427]  ? exc_page_fault (arch/x86/mm/fault.c:1489 (discriminator 3) arch/x86/mm/fault.c:1536 (discriminator 3))
[   35.389893][  T427]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[   35.389895][  T427] RIP: 0033:0x7f6bbb15c54e
[   35.389899][  T427] 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
[   35.389901][  T427] RSP: 002b:00007ffc40d6bbb0 EFLAGS: 00000202 ORIG_RAX: 000000000000002e
[   35.389903][  T427] RAX: ffffffffffffffda RBX: 0000000000000003 RCX: 00007f6bbb15c54e
[   35.389905][  T427] RDX: 0000000000000000 RSI: 00007ffc40d6bc60 RDI: 0000000000000005
[   35.389905][  T427] RBP: 00007ffc40d6bbc0 R08: 0000000000000000 R09: 0000000000000000
[   35.389906][  T427] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a90d7a6
[   35.389907][  T427] R13: 00000000004a1620 R14: 0000000000000000 R15: 00007ffc40d6c330
| [   36.452592][  T437] softirqs last disabled at (26254): netif_change_name (./include/linux/spinlock.h:353 ./include/linux/seqlock.h:908 net/core/dev.c:1499)
| [   36.452595][  T437] Preemption disabled at:
| [   36.452595][  T437] vprintk_emit (kernel/printk/printk.c:2471)
| [   36.452603][  T437] Tainted: [W]=WARN
[   36.452604][  T437] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   36.452606][  T437] Call Trace:
[   36.452608][  T437]  <TASK>
[   36.452609][  T437]  dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120)
[   36.452615][  T437]  ? vprintk_emit (kernel/printk/printk.c:2471)
[   36.452616][  T437]  __might_resched.cold (kernel/sched/core.c:9234)
[   36.452621][  T437]  ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3))
[   36.452625][  T437]  ? __kmalloc_noprof (./include/linux/sched/mm.h:317 mm/slub.c:4636 mm/slub.c:4974 mm/slub.c:5413 mm/slub.c:5439)
[   36.452630][  T437]  __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))
[   36.452640][  T437]  ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[   36.452647][  T437]  ? 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)
[   36.452649][  T437]  alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[   36.452653][  T437]  put_chars (drivers/char/virtio_console.c:1176)
[   36.452656][  T437]  ? __send_to_port (drivers/char/virtio_console.c:654)
[   36.452660][  T437]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380)
[   36.452664][  T437]  ? validate_chain (kernel/locking/lockdep.c:3817 (discriminator 2) kernel/locking/lockdep.c:3837 (discriminator 2) kernel/locking/lockdep.c:3892 (discriminator 2))
[   36.452668][  T437]  hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2))
[   36.452672][  T437]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   36.452674][  T437]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   36.452679][  T437]  ? hvc_write (drivers/tty/hvc/hvc_console.c:501)
[   36.452682][  T437]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   36.452685][  T437]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   36.452689][  T437]  console_emit_next_record (kernel/printk/printk.c:3183)
[   36.452693][  T437]  ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20)
[   36.452695][  T437]  ? 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))
[   36.452697][  T437]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   36.452699][  T437]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   36.452704][  T437]  console_flush_one_record (kernel/printk/printk.c:3268)
[   36.452708][  T437]  ? console_emit_next_record (kernel/printk/printk.c:3150)
[   36.452709][  T437]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   36.452718][  T437]  console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420)
[   36.452721][  T437]  ? console_flush_one_record (kernel/printk/printk.c:3316)
[   36.452722][  T437]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   36.452724][  T437]  ? lock_acquire (kernel/locking/lockdep.c:5913)
[   36.452728][  T437]  ? __down_trylock_console_sem (kernel/printk/printk.c:334)
[   36.452730][  T437]  ? vprintk_emit (kernel/printk/printk.c:2478)
[   36.452733][  T437]  vprintk_emit (kernel/printk/printk.c:2479)
[   36.452737][  T437]  ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126))
[   36.452739][  T437]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   36.452741][  T437]  ? save_trace (kernel/locking/lockdep.c:154 (discriminator 6) kernel/locking/lockdep.c:150 (discriminator 6) kernel/locking/lockdep.c:202 (discriminator 6) kernel/locking/lockdep.c:577 (discriminator 6))
[   36.452743][  T437]  ? find_held_lock (kernel/locking/lockdep.c:5360)
[   36.452747][  T437]  _printk (kernel/printk/printk.c:2504)
[   36.452751][  T437]  ? snapshot_read.cold (user.c:?)
[   36.452752][  T437]  ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4116 (discriminator 3) kernel/rcu/tree.c:4108 (discriminator 3))
[   36.452755][  T437]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380)
[   36.452758][  T437]  ? validate_chain (kernel/locking/lockdep.c:3817 (discriminator 2) kernel/locking/lockdep.c:3837 (discriminator 2) kernel/locking/lockdep.c:3892 (discriminator 2))
[   36.452760][  T437]  ? netdev_name (./include/linux/netdevice.h:5709 (discriminator 1))
[   36.452763][  T437]  ? __netdev_printk (net/core/dev.c:13148 (discriminator 2))
[   36.452766][  T437]  ? do_setlink.isra.0 (net/core/rtnetlink.c:3246)
[   36.452768][  T437]  netdev_info (net/core/dev.c:13195 (discriminator 3))
[   36.452771][  T437]  ? netdev_notice (net/core/dev.c:13194)
[   36.452774][  T437]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[   36.452777][  T437]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554)
[   36.452780][  T437]  ? mark_held_locks (kernel/locking/lockdep.c:4341)
[   36.452784][  T437]  ? do_setlink.isra.0 (net/core/rtnetlink.c:3246)
[   36.452786][  T437]  netif_change_name.cold (net/core/dev.c:1507 (discriminator 3))
[   36.452789][  T437]  ? 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))
[   36.452795][  T437]  ? netdev_adjacent_rename_links (net/core/dev.c:9598)
[   36.452798][  T437]  ? __kernel_text_address (kernel/extable.c:79)
[   36.452801][  T437]  ? write_profile (profile.c:?)
[   36.452805][  T437]  ? __asan_memset (mm/kasan/shadow.c:84 (discriminator 1))
[   36.452810][  T437]  do_setlink.isra.0 (net/core/rtnetlink.c:3246)
[   36.452815][  T437]  ? stack_trace_save (kernel/stacktrace.c:122 (discriminator 1))
[   36.452817][  T437]  ? rtnl_link_get_size (net/core/rtnetlink.c:747)
[   36.452819][  T437]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:388 kernel/rcu/update.c:380)
[   36.452821][  T437]  ? stack_depot_save_flags (lib/stackdepot.c:609 (discriminator 2) lib/stackdepot.c:676 (discriminator 2))
[   36.452825][  T437]  ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4116 (discriminator 3) kernel/rcu/tree.c:4108 (discriminator 3))
[   36.452827][  T437]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380)
[   36.452829][  T437]  ? validate_chain (kernel/locking/lockdep.c:3817 (discriminator 2) kernel/locking/lockdep.c:3837 (discriminator 2) kernel/locking/lockdep.c:3892 (discriminator 2))
[   36.452832][  T437]  ? kasan_save_stack (mm/kasan/common.c:58)
[   36.452835][  T437]  ? kasan_save_stack (mm/kasan/common.c:57)
[   36.452836][  T437]  ? kasan_save_track (mm/kasan/common.c:78)
[   36.452839][  T437]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   36.452841][  T437]  ? netlink_update_listeners (net/netlink/af_netlink.c:532)
[   36.452844][  T437]  ? ___sys_sendmsg (net/socket.c:2744 net/socket.c:2763)
[   36.452850][  T437]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2))
[   36.452852][  T437]  ? rtnl_newlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:366 net/core/rtnetlink.c:4214)
[   36.452855][  T437]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   36.452857][  T437]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   36.452858][  T437]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   36.452860][  T437]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   36.452862][  T437]  ? trace_contention_end (./include/trace/events/lock.h:121 (discriminator 22))
[   36.452865][  T437]  ? __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)
[   36.452868][  T437]  ? __mutex_lock (kernel/locking/mutex.c:656 (discriminator 1) kernel/locking/mutex.c:821 (discriminator 1))
[   36.452870][  T437]  ? rtnl_newlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:366 net/core/rtnetlink.c:4214)
[   36.452874][  T437]  ? ww_mutex_lock (kernel/locking/mutex.c:934)
[   36.452876][  T437]  ? nla_get_range_signed (lib/nlattr.c:270)
[   36.452882][  T437]  ? __rtnl_newlink (net/core/rtnetlink.c:4063)
[   36.452887][  T437]  rtnl_newlink (net/core/rtnetlink.c:4215)
[   36.452893][  T437]  ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558)
[   36.452895][  T437]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   36.452900][  T437]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2))
[   36.452902][  T437]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[   36.452904][  T437]  ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558)
[   36.452906][  T437]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554)
[   36.452910][  T437]  ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558)
[   36.452912][  T437]  rtnetlink_rcv_msg (net/core/rtnetlink.c:7132)
[   36.452915][  T437]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   36.452917][  T437]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   36.452922][  T437]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2))
[   36.452924][  T437]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[   36.452927][  T437]  netlink_rcv_skb (net/netlink/af_netlink.c:2556)
[   36.452929][  T437]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   36.452932][  T437]  ? netlink_ack (./include/linux/skbuff.h:2718)
[   36.452939][  T437]  ? 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))
[   36.452940][  T437]  ? 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))
[   36.452945][  T437]  netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[   36.452949][  T437]  ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[   36.452951][  T437]  ? __lock_acquire (kernel/locking/lockdep.c:5251 (discriminator 3))
[   36.452956][  T437]  netlink_sendmsg (net/netlink/af_netlink.c:1900)
[   36.452960][  T437]  ? netlink_unicast (./include/net/net_namespace.h:422 (discriminator 7))
[   36.452961][  T437]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554)
[   36.452965][  T437]  ? __might_fault (mm/memory.c:7482 (discriminator 5))
[   36.452968][  T437]  ? __might_fault (mm/memory.c:7482 (discriminator 5))
[   36.452972][  T437]  ____sys_sendmsg (net/socket.c:800 (discriminator 4) net/socket.c:815 (discriminator 4) net/socket.c:2713 (discriminator 4))
[   36.452975][  T437]  ? copy_msghdr_from_user (net/socket.c:2650)
[   36.452977][  T437]  ? get_timestamp.constprop.0 (./include/linux/netdevice.h:5399)
[   36.452979][  T437]  ? move_addr_to_kernel (./include/linux/audit.h:354 (discriminator 1))
[   36.452986][  T437]  ___sys_sendmsg (net/socket.c:2767)
[   36.452989][  T437]  ? copy_msghdr_from_user (net/socket.c:2619)
[   36.453006][  T437]  __sys_sendmsg (net/socket.c:2799)
[   36.453010][  T437]  ? __sys_sendmsg_sock (net/socket.c:2780)
[   36.453016][  T437]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   36.453020][  T437]  do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84)
[   36.453022][  T437]  ? exc_page_fault (arch/x86/mm/fault.c:1489 (discriminator 3) arch/x86/mm/fault.c:1536 (discriminator 3))
[   36.453026][  T437]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[   36.453028][  T437] RIP: 0033:0x7f1cb20ca54e
[   36.453031][  T437] 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
[   36.453033][  T437] RSP: 002b:00007fffb0032ed0 EFLAGS: 00000202 ORIG_RAX: 000000000000002e
[   36.453036][  T437] RAX: ffffffffffffffda RBX: 0000000000000003 RCX: 00007f1cb20ca54e
[   36.453037][  T437] RDX: 0000000000000000 RSI: 00007fffb0032f80 RDI: 0000000000000005
[   36.453038][  T437] RBP: 00007fffb0032ee0 R08: 0000000000000000 R09: 0000000000000000
[   36.453039][  T437] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a90d7a7
[   36.453040][  T437] R13: 00000000004a1620 R14: 0000000000000000 R15: 00007fffb0033650
| [   37.689662][  T444] softirqs last disabled at (44534): netif_change_name (./include/linux/spinlock.h:353 ./include/linux/seqlock.h:908 net/core/dev.c:1499)
| [   37.689665][  T444] Preemption disabled at:
| [   37.689666][  T444] vprintk_emit (kernel/printk/printk.c:2471)
| [   37.689678][  T444] Tainted: [W]=WARN
[   37.689679][  T444] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   37.689682][  T444] Call Trace:
[   37.689684][  T444]  <TASK>
[   37.689686][  T444]  dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120)
[   37.689693][  T444]  ? vprintk_emit (kernel/printk/printk.c:2471)
[   37.689696][  T444]  __might_resched.cold (kernel/sched/core.c:9234)
[   37.689702][  T444]  ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3))
[   37.689707][  T444]  ? __kmalloc_noprof (./include/linux/sched/mm.h:317 mm/slub.c:4636 mm/slub.c:4974 mm/slub.c:5413 mm/slub.c:5439)
[   37.689718][  T444]  __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))
[   37.689722][  T444]  ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[   37.689731][  T444]  ? 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)
[   37.689735][  T444]  alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[   37.689741][  T444]  put_chars (drivers/char/virtio_console.c:1176)
[   37.689745][  T444]  ? __send_to_port (drivers/char/virtio_console.c:654)
[   37.689751][  T444]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380)
[   37.689757][  T444]  ? validate_chain (kernel/locking/lockdep.c:3817 (discriminator 2) kernel/locking/lockdep.c:3837 (discriminator 2) kernel/locking/lockdep.c:3892 (discriminator 2))
[   37.689764][  T444]  hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2))
[   37.689769][  T444]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   37.689772][  T444]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   37.689780][  T444]  ? hvc_write (drivers/tty/hvc/hvc_console.c:501)
[   37.689786][  T444]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   37.689790][  T444]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   37.689797][  T444]  console_emit_next_record (kernel/printk/printk.c:3183)
[   37.689803][  T444]  ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20)
[   37.689805][  T444]  ? 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))
[   37.689810][  T444]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   37.689813][  T444]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   37.689821][  T444]  console_flush_one_record (kernel/printk/printk.c:3268)
[   37.689827][  T444]  ? console_emit_next_record (kernel/printk/printk.c:3150)
[   37.689830][  T444]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   37.689839][  T444]  console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420)
[   37.689843][  T444]  ? console_flush_one_record (kernel/printk/printk.c:3316)
[   37.689846][  T444]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   37.689849][  T444]  ? lock_acquire (kernel/locking/lockdep.c:5913)
[   37.689856][  T444]  ? __down_trylock_console_sem (kernel/printk/printk.c:334)
[   37.689858][  T444]  ? vprintk_emit (kernel/printk/printk.c:2478)
[   37.689863][  T444]  vprintk_emit (kernel/printk/printk.c:2479)
[   37.689869][  T444]  ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126))
[   37.689872][  T444]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   37.689875][  T444]  ? save_trace (kernel/locking/lockdep.c:154 (discriminator 6) kernel/locking/lockdep.c:150 (discriminator 6) kernel/locking/lockdep.c:202 (discriminator 6) kernel/locking/lockdep.c:577 (discriminator 6))
[   37.689878][  T444]  ? find_held_lock (kernel/locking/lockdep.c:5360)
[   37.689885][  T444]  _printk (kernel/printk/printk.c:2504)
[   37.689890][  T444]  ? snapshot_read.cold (user.c:?)
[   37.689893][  T444]  ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4116 (discriminator 3) kernel/rcu/tree.c:4108 (discriminator 3))
[   37.689897][  T444]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380)
[   37.689901][  T444]  ? validate_chain (kernel/locking/lockdep.c:3817 (discriminator 2) kernel/locking/lockdep.c:3837 (discriminator 2) kernel/locking/lockdep.c:3892 (discriminator 2))
[   37.689904][  T444]  ? netdev_name (./include/linux/netdevice.h:5709 (discriminator 1))
[   37.689909][  T444]  ? __netdev_printk (net/core/dev.c:13148 (discriminator 2))
[   37.689913][  T444]  ? do_setlink.isra.0 (net/core/rtnetlink.c:3246)
[   37.689917][  T444]  netdev_info (net/core/dev.c:13195 (discriminator 3))
[   37.689921][  T444]  ? netdev_notice (net/core/dev.c:13194)
[   37.689926][  T444]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[   37.689931][  T444]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554)
[   37.689935][  T444]  ? mark_held_locks (kernel/locking/lockdep.c:4341)
[   37.689941][  T444]  ? do_setlink.isra.0 (net/core/rtnetlink.c:3246)
[   37.689945][  T444]  netif_change_name.cold (net/core/dev.c:1507 (discriminator 3))
[   37.689950][  T444]  ? 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))
[   37.689959][  T444]  ? netdev_adjacent_rename_links (net/core/dev.c:9598)
[   37.689963][  T444]  ? __kernel_text_address (kernel/extable.c:79)
[   37.689967][  T444]  ? write_profile (profile.c:?)
[   37.689973][  T444]  ? __asan_memset (mm/kasan/shadow.c:84 (discriminator 1))
[   37.689981][  T444]  do_setlink.isra.0 (net/core/rtnetlink.c:3246)
[   37.689989][  T444]  ? stack_trace_save (kernel/stacktrace.c:122 (discriminator 1))
[   37.689992][  T444]  ? rtnl_link_get_size (net/core/rtnetlink.c:747)
[   37.689994][  T444]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:388 kernel/rcu/update.c:380)
[   37.689998][  T444]  ? stack_depot_save_flags (lib/stackdepot.c:609 (discriminator 2) lib/stackdepot.c:676 (discriminator 2))
[   37.690002][  T444]  ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4116 (discriminator 3) kernel/rcu/tree.c:4108 (discriminator 3))
[   37.690006][  T444]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380)
[   37.690009][  T444]  ? validate_chain (kernel/locking/lockdep.c:3817 (discriminator 2) kernel/locking/lockdep.c:3837 (discriminator 2) kernel/locking/lockdep.c:3892 (discriminator 2))
[   37.690014][  T444]  ? kasan_save_stack (mm/kasan/common.c:58)
[   37.690018][  T444]  ? kasan_save_stack (mm/kasan/common.c:57)
[   37.690020][  T444]  ? kasan_save_track (mm/kasan/common.c:78)
[   37.690025][  T444]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   37.690028][  T444]  ? netlink_update_listeners (net/netlink/af_netlink.c:532)
[   37.690032][  T444]  ? ___sys_sendmsg (net/socket.c:2744 net/socket.c:2763)
[   37.690040][  T444]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2))
[   37.690043][  T444]  ? rtnl_newlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:366 net/core/rtnetlink.c:4214)
[   37.690048][  T444]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   37.690051][  T444]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   37.690054][  T444]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   37.690056][  T444]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   37.690059][  T444]  ? trace_contention_end (./include/trace/events/lock.h:121 (discriminator 22))
[   37.690063][  T444]  ? __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)
[   37.690067][  T444]  ? __mutex_lock (kernel/locking/mutex.c:656 (discriminator 1) kernel/locking/mutex.c:821 (discriminator 1))
[   37.690071][  T444]  ? rtnl_newlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:366 net/core/rtnetlink.c:4214)
[   37.690077][  T444]  ? ww_mutex_lock (kernel/locking/mutex.c:934)
[   37.690081][  T444]  ? nla_get_range_signed (lib/nlattr.c:270)
[   37.690090][  T444]  ? __rtnl_newlink (net/core/rtnetlink.c:4063)
[   37.690100][  T444]  rtnl_newlink (net/core/rtnetlink.c:4215)
[   37.690110][  T444]  ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558)
[   37.690113][  T444]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   37.690122][  T444]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2))
[   37.690125][  T444]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[   37.690128][  T444]  ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558)
[   37.690131][  T444]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554)
[   37.690138][  T444]  ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558)
[   37.690141][  T444]  rtnetlink_rcv_msg (net/core/rtnetlink.c:7132)
[   37.690147][  T444]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   37.690149][  T444]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   37.690157][  T444]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2))
[   37.690160][  T444]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[   37.690167][  T444]  netlink_rcv_skb (net/netlink/af_netlink.c:2556)
[   37.690169][  T444]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   37.690175][  T444]  ? netlink_ack (./include/linux/skbuff.h:2718)
[   37.690186][  T444]  ? 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))
[   37.690188][  T444]  ? 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))
[   37.690196][  T444]  netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[   37.690203][  T444]  ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[   37.690208][  T444]  ? __lock_acquire (kernel/locking/lockdep.c:5251 (discriminator 3))
[   37.690215][  T444]  netlink_sendmsg (net/netlink/af_netlink.c:1900)
[   37.690221][  T444]  ? netlink_unicast (./include/net/net_namespace.h:422 (discriminator 7))
[   37.690224][  T444]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554)
[   37.690229][  T444]  ? __might_fault (mm/memory.c:7482 (discriminator 5))
[   37.690234][  T444]  ? __might_fault (mm/memory.c:7482 (discriminator 5))
[   37.690243][  T444]  ____sys_sendmsg (net/socket.c:800 (discriminator 4) net/socket.c:815 (discriminator 4) net/socket.c:2713 (discriminator 4))
[   37.690247][  T444]  ? copy_msghdr_from_user (net/socket.c:2650)
[   37.690250][  T444]  ? get_timestamp.constprop.0 (./include/linux/netdevice.h:5399)
[   37.690253][  T444]  ? move_addr_to_kernel (./include/linux/audit.h:354 (discriminator 1))
[   37.690266][  T444]  ___sys_sendmsg (net/socket.c:2767)
[   37.690271][  T444]  ? copy_msghdr_from_user (net/socket.c:2619)
[   37.690301][  T444]  __sys_sendmsg (net/socket.c:2799)
[   37.690306][  T444]  ? __sys_sendmsg_sock (net/socket.c:2780)
[   37.690318][  T444]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   37.690324][  T444]  do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84)
[   37.690327][  T444]  ? exc_page_fault (arch/x86/mm/fault.c:1489 (discriminator 3) arch/x86/mm/fault.c:1536 (discriminator 3))
[   37.690333][  T444]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[   37.690336][  T444] RIP: 0033:0x7fb7a2ac954e
[   37.690341][  T444] 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
[   37.690344][  T444] RSP: 002b:00007ffd1adfc090 EFLAGS: 00000202 ORIG_RAX: 000000000000002e
[   37.690348][  T444] RAX: ffffffffffffffda RBX: 0000000000000003 RCX: 00007fb7a2ac954e
[   37.690349][  T444] RDX: 0000000000000000 RSI: 00007ffd1adfc140 RDI: 0000000000000005
[   37.690351][  T444] RBP: 00007ffd1adfc0a0 R08: 0000000000000000 R09: 0000000000000000
[   37.690352][  T444] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a90d7a8
[   37.690354][  T444] R13: 00000000004a1620 R14: 0000000000000000 R15: 00007ffd1adfc810
| [   38.921683][  T452] softirqs last disabled at (22970): netif_change_name (./include/linux/spinlock.h:353 ./include/linux/seqlock.h:908 net/core/dev.c:1499)
| [   38.921686][  T452] Preemption disabled at:
| [   38.921687][  T452] vprintk_emit (kernel/printk/printk.c:2471)
| [   38.921698][  T452] Tainted: [W]=WARN
[   38.921700][  T452] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   38.921702][  T452] Call Trace:
[   38.921704][  T452]  <TASK>
[   38.921707][  T452]  dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120)
[   38.921716][  T452]  ? vprintk_emit (kernel/printk/printk.c:2471)
[   38.921719][  T452]  __might_resched.cold (kernel/sched/core.c:9234)
[   38.921725][  T452]  ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3))
[   38.921730][  T452]  ? __kmalloc_noprof (./include/linux/sched/mm.h:317 mm/slub.c:4636 mm/slub.c:4974 mm/slub.c:5413 mm/slub.c:5439)
[   38.921738][  T452]  __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))
[   38.921742][  T452]  ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[   38.921751][  T452]  ? 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)
[   38.921755][  T452]  alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[   38.921761][  T452]  put_chars (drivers/char/virtio_console.c:1176)
[   38.921766][  T452]  ? __send_to_port (drivers/char/virtio_console.c:654)
[   38.921772][  T452]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380)
[   38.921777][  T452]  ? validate_chain (kernel/locking/lockdep.c:3817 (discriminator 2) kernel/locking/lockdep.c:3837 (discriminator 2) kernel/locking/lockdep.c:3892 (discriminator 2))
[   38.921785][  T452]  hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2))
[   38.921790][  T452]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   38.921793][  T452]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   38.921801][  T452]  ? hvc_write (drivers/tty/hvc/hvc_console.c:501)
[   38.921807][  T452]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   38.921811][  T452]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   38.921818][  T452]  console_emit_next_record (kernel/printk/printk.c:3183)
[   38.921824][  T452]  ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20)
[   38.921826][  T452]  ? 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))
[   38.921831][  T452]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   38.921834][  T452]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   38.921841][  T452]  console_flush_one_record (kernel/printk/printk.c:3268)
[   38.921848][  T452]  ? console_emit_next_record (kernel/printk/printk.c:3150)
[   38.921850][  T452]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   38.921860][  T452]  console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420)
[   38.921864][  T452]  ? console_flush_one_record (kernel/printk/printk.c:3316)
[   38.921867][  T452]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   38.921870][  T452]  ? lock_acquire (kernel/locking/lockdep.c:5913)
[   38.921877][  T452]  ? __down_trylock_console_sem (kernel/printk/printk.c:334)
[   38.921880][  T452]  ? vprintk_emit (kernel/printk/printk.c:2478)
[   38.921885][  T452]  vprintk_emit (kernel/printk/printk.c:2479)
[   38.921890][  T452]  ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126))
[   38.921894][  T452]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   38.921897][  T452]  ? save_trace (kernel/locking/lockdep.c:154 (discriminator 6) kernel/locking/lockdep.c:150 (discriminator 6) kernel/locking/lockdep.c:202 (discriminator 6) kernel/locking/lockdep.c:577 (discriminator 6))
[   38.921900][  T452]  ? find_held_lock (kernel/locking/lockdep.c:5360)
[   38.921907][  T452]  _printk (kernel/printk/printk.c:2504)
[   38.921912][  T452]  ? snapshot_read.cold (user.c:?)
[   38.921915][  T452]  ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4116 (discriminator 3) kernel/rcu/tree.c:4108 (discriminator 3))
[   38.921920][  T452]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380)
[   38.921923][  T452]  ? validate_chain (kernel/locking/lockdep.c:3817 (discriminator 2) kernel/locking/lockdep.c:3837 (discriminator 2) kernel/locking/lockdep.c:3892 (discriminator 2))
[   38.921926][  T452]  ? netdev_name (./include/linux/netdevice.h:5709 (discriminator 1))
[   38.921932][  T452]  ? __netdev_printk (net/core/dev.c:13148 (discriminator 2))
[   38.921936][  T452]  ? do_setlink.isra.0 (net/core/rtnetlink.c:3246)
[   38.921940][  T452]  netdev_info (net/core/dev.c:13195 (discriminator 3))
[   38.921945][  T452]  ? netdev_notice (net/core/dev.c:13194)
[   38.921949][  T452]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[   38.921954][  T452]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554)
[   38.921959][  T452]  ? mark_held_locks (kernel/locking/lockdep.c:4341)
[   38.921965][  T452]  ? do_setlink.isra.0 (net/core/rtnetlink.c:3246)
[   38.921969][  T452]  netif_change_name.cold (net/core/dev.c:1507 (discriminator 3))
[   38.921974][  T452]  ? 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))
[   38.921983][  T452]  ? netdev_adjacent_rename_links (net/core/dev.c:9598)
[   38.921987][  T452]  ? __kernel_text_address (kernel/extable.c:79)
[   38.921991][  T452]  ? write_profile (profile.c:?)
[   38.921997][  T452]  ? __asan_memset (mm/kasan/shadow.c:84 (discriminator 1))
[   38.922005][  T452]  do_setlink.isra.0 (net/core/rtnetlink.c:3246)
[   38.922013][  T452]  ? stack_trace_save (kernel/stacktrace.c:122 (discriminator 1))
[   38.922017][  T452]  ? rtnl_link_get_size (net/core/rtnetlink.c:747)
[   38.922019][  T452]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:388 kernel/rcu/update.c:380)
[   38.922022][  T452]  ? stack_depot_save_flags (lib/stackdepot.c:609 (discriminator 2) lib/stackdepot.c:676 (discriminator 2))
[   38.922027][  T452]  ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4116 (discriminator 3) kernel/rcu/tree.c:4108 (discriminator 3))
[   38.922031][  T452]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380)
[   38.922034][  T452]  ? validate_chain (kernel/locking/lockdep.c:3817 (discriminator 2) kernel/locking/lockdep.c:3837 (discriminator 2) kernel/locking/lockdep.c:3892 (discriminator 2))
[   38.922038][  T452]  ? kasan_save_stack (mm/kasan/common.c:58)
[   38.922042][  T452]  ? kasan_save_stack (mm/kasan/common.c:57)
[   38.922045][  T452]  ? kasan_save_track (mm/kasan/common.c:78)
[   38.922050][  T452]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   38.922053][  T452]  ? netlink_update_listeners (net/netlink/af_netlink.c:532)
[   38.922057][  T452]  ? ___sys_sendmsg (net/socket.c:2744 net/socket.c:2763)
[   38.922065][  T452]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2))
[   38.922068][  T452]  ? rtnl_newlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:366 net/core/rtnetlink.c:4214)
[   38.922073][  T452]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   38.922076][  T452]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   38.922078][  T452]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   38.922081][  T452]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   38.922084][  T452]  ? trace_contention_end (./include/trace/events/lock.h:121 (discriminator 22))
[   38.922088][  T452]  ? __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)
[   38.922092][  T452]  ? __mutex_lock (kernel/locking/mutex.c:656 (discriminator 1) kernel/locking/mutex.c:821 (discriminator 1))
[   38.922096][  T452]  ? rtnl_newlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:366 net/core/rtnetlink.c:4214)
[   38.922102][  T452]  ? ww_mutex_lock (kernel/locking/mutex.c:934)
[   38.922106][  T452]  ? nla_get_range_signed (lib/nlattr.c:270)
[   38.922115][  T452]  ? __rtnl_newlink (net/core/rtnetlink.c:4063)
[   38.922125][  T452]  rtnl_newlink (net/core/rtnetlink.c:4215)
[   38.922136][  T452]  ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558)
[   38.922139][  T452]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   38.922147][  T452]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2))
[   38.922150][  T452]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[   38.922154][  T452]  ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558)
[   38.922157][  T452]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554)
[   38.922164][  T452]  ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558)
[   38.922168][  T452]  rtnetlink_rcv_msg (net/core/rtnetlink.c:7132)
[   38.922174][  T452]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   38.922176][  T452]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   38.922185][  T452]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2))
[   38.922188][  T452]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[   38.922194][  T452]  netlink_rcv_skb (net/netlink/af_netlink.c:2556)
[   38.922197][  T452]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   38.922203][  T452]  ? netlink_ack (./include/linux/skbuff.h:2718)
[   38.922214][  T452]  ? 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))
[   38.922217][  T452]  ? 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))
[   38.922225][  T452]  netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[   38.922231][  T452]  ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[   38.922237][  T452]  ? __lock_acquire (kernel/locking/lockdep.c:5251 (discriminator 3))
[   38.922247][  T452]  netlink_sendmsg (net/netlink/af_netlink.c:1900)
[   38.922254][  T452]  ? netlink_unicast (./include/net/net_namespace.h:422 (discriminator 7))
[   38.922256][  T452]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554)
[   38.922262][  T452]  ? __might_fault (mm/memory.c:7482 (discriminator 5))
[   38.922267][  T452]  ? __might_fault (mm/memory.c:7482 (discriminator 5))
[   38.922275][  T452]  ____sys_sendmsg (net/socket.c:800 (discriminator 4) net/socket.c:815 (discriminator 4) net/socket.c:2713 (discriminator 4))
[   38.922279][  T452]  ? copy_msghdr_from_user (net/socket.c:2650)
[   38.922282][  T452]  ? get_timestamp.constprop.0 (./include/linux/netdevice.h:5399)
[   38.922285][  T452]  ? move_addr_to_kernel (./include/linux/audit.h:354 (discriminator 1))
[   38.922299][  T452]  ___sys_sendmsg (net/socket.c:2767)
[   38.922303][  T452]  ? copy_msghdr_from_user (net/socket.c:2619)
[   38.922335][  T452]  __sys_sendmsg (net/socket.c:2799)
[   38.922339][  T452]  ? __sys_sendmsg_sock (net/socket.c:2780)
[   38.922351][  T452]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   38.922357][  T452]  do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84)
[   38.922361][  T452]  ? exc_page_fault (arch/x86/mm/fault.c:1489 (discriminator 3) arch/x86/mm/fault.c:1536 (discriminator 3))
[   38.922366][  T452]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[   38.922369][  T452] RIP: 0033:0x7fac27d7954e
[   38.922374][  T452] 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
[   38.922377][  T452] RSP: 002b:00007ffd3b557460 EFLAGS: 00000202 ORIG_RAX: 000000000000002e
[   38.922380][  T452] RAX: ffffffffffffffda RBX: 0000000000000003 RCX: 00007fac27d7954e
[   38.922383][  T452] RDX: 0000000000000000 RSI: 00007ffd3b557510 RDI: 0000000000000005
[   38.922384][  T452] RBP: 00007ffd3b557470 R08: 0000000000000000 R09: 0000000000000000
[   38.922386][  T452] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a90d7aa
[   38.922387][  T452] R13: 00000000004a1620 R14: 0000000000000000 R15: 00007ffd3b557be0
| [   39.950257][  T456] softirqs last disabled at (24962): netif_change_name (./include/linux/spinlock.h:353 ./include/linux/seqlock.h:908 net/core/dev.c:1499)
| [   39.950261][  T456] Preemption disabled at:
| [   39.950262][  T456] vprintk_emit (kernel/printk/printk.c:2471)
| [   39.950273][  T456] Tainted: [W]=WARN
[   39.950275][  T456] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   39.950277][  T456] Call Trace:
[   39.950279][  T456]  <TASK>
[   39.950282][  T456]  dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120)
[   39.950288][  T456]  ? vprintk_emit (kernel/printk/printk.c:2471)
[   39.950291][  T456]  __might_resched.cold (kernel/sched/core.c:9234)
[   39.950297][  T456]  ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3))
[   39.950302][  T456]  ? __kmalloc_noprof (./include/linux/sched/mm.h:317 mm/slub.c:4636 mm/slub.c:4974 mm/slub.c:5413 mm/slub.c:5439)
[   39.950309][  T456]  __kmalloc_noprof (./include/linux/sched/mm.h:322 (discriminator 2) mm/slub.c:4636 (discriminator 2) mm/slub.c:4974 (discriminator 2) mm/slub.c:5413 (discriminator 2) mm/slub.c:5439 (discriminator 2))
[   39.950313][  T456]  ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[   39.950322][  T456]  ? do_raw_spin_unlock (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:32 ./include/asm-generic/qspinlock.h:58 kernel/locking/spinlock_debug.c:101 kernel/locking/spinlock_debug.c:141)
[   39.950326][  T456]  alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[   39.950332][  T456]  put_chars (drivers/char/virtio_console.c:1176)
[   39.950336][  T456]  ? __send_to_port (drivers/char/virtio_console.c:654)
[   39.950342][  T456]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380)
[   39.950347][  T456]  ? validate_chain (kernel/locking/lockdep.c:3817 (discriminator 2) kernel/locking/lockdep.c:3837 (discriminator 2) kernel/locking/lockdep.c:3892 (discriminator 2))
[   39.950355][  T456]  hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2))
[   39.950359][  T456]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   39.950362][  T456]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   39.950370][  T456]  ? hvc_write (drivers/tty/hvc/hvc_console.c:501)
[   39.950375][  T456]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   39.950379][  T456]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   39.950387][  T456]  console_emit_next_record (kernel/printk/printk.c:3183)
[   39.950392][  T456]  ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20)
[   39.950394][  T456]  ? console_flush_one_record (./include/linux/rcupdate.h:314 (discriminator 2) ./include/linux/srcu.h:439 (discriminator 2) kernel/printk/printk.c:291 (discriminator 2) kernel/printk/printk.c:3246 (discriminator 2))
[   39.950399][  T456]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   39.950403][  T456]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   39.950410][  T456]  console_flush_one_record (kernel/printk/printk.c:3268)
[   39.950417][  T456]  ? console_emit_next_record (kernel/printk/printk.c:3150)
[   39.950419][  T456]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   39.950428][  T456]  console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420)
[   39.950432][  T456]  ? console_flush_one_record (kernel/printk/printk.c:3316)
[   39.950434][  T456]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   39.950437][  T456]  ? lock_acquire (kernel/locking/lockdep.c:5913)
[   39.950444][  T456]  ? __down_trylock_console_sem (kernel/printk/printk.c:334)
[   39.950447][  T456]  ? vprintk_emit (kernel/printk/printk.c:2478)
[   39.950452][  T456]  vprintk_emit (kernel/printk/printk.c:2479)
[   39.950458][  T456]  ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126))
[   39.950461][  T456]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   39.950464][  T456]  ? save_trace (kernel/locking/lockdep.c:154 (discriminator 6) kernel/locking/lockdep.c:150 (discriminator 6) kernel/locking/lockdep.c:202 (discriminator 6) kernel/locking/lockdep.c:577 (discriminator 6))
[   39.950467][  T456]  ? find_held_lock (kernel/locking/lockdep.c:5360)
[   39.950474][  T456]  _printk (kernel/printk/printk.c:2504)
[   39.950479][  T456]  ? snapshot_read.cold (user.c:?)
[   39.950481][  T456]  ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4116 (discriminator 3) kernel/rcu/tree.c:4108 (discriminator 3))
[   39.950486][  T456]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380)
[   39.950489][  T456]  ? validate_chain (kernel/locking/lockdep.c:3817 (discriminator 2) kernel/locking/lockdep.c:3837 (discriminator 2) kernel/locking/lockdep.c:3892 (discriminator 2))
[   39.950493][  T456]  ? netdev_name (./include/linux/netdevice.h:5709 (discriminator 1))
[   39.950498][  T456]  ? __netdev_printk (net/core/dev.c:13148 (discriminator 2))
[   39.950502][  T456]  ? do_setlink.isra.0 (net/core/rtnetlink.c:3246)
[   39.950506][  T456]  netdev_info (net/core/dev.c:13195 (discriminator 3))
[   39.950510][  T456]  ? netdev_notice (net/core/dev.c:13194)
[   39.950515][  T456]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[   39.950520][  T456]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554)
[   39.950524][  T456]  ? mark_held_locks (kernel/locking/lockdep.c:4341)
[   39.950530][  T456]  ? do_setlink.isra.0 (net/core/rtnetlink.c:3246)
[   39.950534][  T456]  netif_change_name.cold (net/core/dev.c:1507 (discriminator 3))
[   39.950539][  T456]  ? is_bpf_text_address (./include/linux/rcupdate.h:319 (discriminator 2) ./include/linux/rcupdate.h:880 (discriminator 2) kernel/bpf/core.c:751 (discriminator 2))
[   39.950548][  T456]  ? netdev_adjacent_rename_links (net/core/dev.c:9598)
[   39.950552][  T456]  ? __kernel_text_address (kernel/extable.c:79)
[   39.950556][  T456]  ? write_profile (profile.c:?)
[   39.950562][  T456]  ? __asan_memset (mm/kasan/shadow.c:84 (discriminator 1))
[   39.950571][  T456]  do_setlink.isra.0 (net/core/rtnetlink.c:3246)
[   39.950578][  T456]  ? stack_trace_save (kernel/stacktrace.c:122 (discriminator 1))
[   39.950582][  T456]  ? rtnl_link_get_size (net/core/rtnetlink.c:747)
[   39.950584][  T456]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:388 kernel/rcu/update.c:380)
[   39.950587][  T456]  ? stack_depot_save_flags (lib/stackdepot.c:609 (discriminator 2) lib/stackdepot.c:676 (discriminator 2))
[   39.950592][  T456]  ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4116 (discriminator 3) kernel/rcu/tree.c:4108 (discriminator 3))
[   39.950595][  T456]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380)
[   39.950599][  T456]  ? validate_chain (kernel/locking/lockdep.c:3817 (discriminator 2) kernel/locking/lockdep.c:3837 (discriminator 2) kernel/locking/lockdep.c:3892 (discriminator 2))
[   39.950603][  T456]  ? kasan_save_stack (mm/kasan/common.c:58)
[   39.950607][  T456]  ? kasan_save_stack (mm/kasan/common.c:57)
[   39.950610][  T456]  ? kasan_save_track (mm/kasan/common.c:78)
[   39.950615][  T456]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   39.950618][  T456]  ? netlink_update_listeners (net/netlink/af_netlink.c:532)
[   39.950622][  T456]  ? ___sys_sendmsg (net/socket.c:2744 net/socket.c:2763)
[   39.950629][  T456]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2))
[   39.950633][  T456]  ? rtnl_newlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:366 net/core/rtnetlink.c:4214)
[   39.950637][  T456]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   39.950640][  T456]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   39.950643][  T456]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   39.950645][  T456]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   39.950648][  T456]  ? trace_contention_end (./include/trace/events/lock.h:121 (discriminator 22))
[   39.950652][  T456]  ? __mutex_lock (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:3188 kernel/locking/mutex.c:89 kernel/locking/mutex.c:134 kernel/locking/mutex.c:649 kernel/locking/mutex.c:821)
[   39.950656][  T456]  ? __mutex_lock (kernel/locking/mutex.c:656 (discriminator 1) kernel/locking/mutex.c:821 (discriminator 1))
[   39.950660][  T456]  ? rtnl_newlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:366 net/core/rtnetlink.c:4214)
[   39.950672][  T456]  ? ww_mutex_lock (kernel/locking/mutex.c:934)
[   39.950675][  T456]  ? nla_get_range_signed (lib/nlattr.c:270)
[   39.950684][  T456]  ? __rtnl_newlink (net/core/rtnetlink.c:4063)
[   39.950694][  T456]  rtnl_newlink (net/core/rtnetlink.c:4215)
[   39.950704][  T456]  ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558)
[   39.950707][  T456]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   39.950718][  T456]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2))
[   39.950721][  T456]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[   39.950725][  T456]  ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558)
[   39.950728][  T456]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554)
[   39.950734][  T456]  ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558)
[   39.950738][  T456]  rtnetlink_rcv_msg (net/core/rtnetlink.c:7132)
[   39.950744][  T456]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   39.950746][  T456]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   39.950754][  T456]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2))
[   39.950757][  T456]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[   39.950763][  T456]  netlink_rcv_skb (net/netlink/af_netlink.c:2556)
[   39.950766][  T456]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   39.950771][  T456]  ? netlink_ack (./include/linux/skbuff.h:2718)
[   39.950782][  T456]  ? netlink_deliver_tap (./include/linux/rcupdate.h:319 (discriminator 2) ./include/linux/rcupdate.h:880 (discriminator 2) ./include/net/netns/generic.h:48 (discriminator 2) net/netlink/af_netlink.c:334 (discriminator 2))
[   39.950785][  T456]  ? netlink_deliver_tap (./include/linux/rcupdate.h:319 (discriminator 2) ./include/linux/rcupdate.h:880 (discriminator 2) net/netlink/af_netlink.c:341 (discriminator 2))
[   39.950792][  T456]  netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[   39.950799][  T456]  ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[   39.950804][  T456]  ? __lock_acquire (kernel/locking/lockdep.c:5251 (discriminator 3))
[   39.950811][  T456]  netlink_sendmsg (net/netlink/af_netlink.c:1900)
[   39.950818][  T456]  ? netlink_unicast (./include/net/net_namespace.h:422 (discriminator 7))
[   39.950820][  T456]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554)
[   39.950825][  T456]  ? __might_fault (mm/memory.c:7482 (discriminator 5))
[   39.950830][  T456]  ? __might_fault (mm/memory.c:7482 (discriminator 5))
[   39.950837][  T456]  ____sys_sendmsg (net/socket.c:800 (discriminator 4) net/socket.c:815 (discriminator 4) net/socket.c:2713 (discriminator 4))
[   39.950841][  T456]  ? copy_msghdr_from_user (net/socket.c:2650)
[   39.950844][  T456]  ? get_timestamp.constprop.0 (./include/linux/netdevice.h:5399)
[   39.950846][  T456]  ? move_addr_to_kernel (./include/linux/audit.h:354 (discriminator 1))
[   39.950860][  T456]  ___sys_sendmsg (net/socket.c:2767)
[   39.950865][  T456]  ? copy_msghdr_from_user (net/socket.c:2619)
[   39.950895][  T456]  __sys_sendmsg (net/socket.c:2799)
[   39.950900][  T456]  ? __sys_sendmsg_sock (net/socket.c:2780)
[   39.950911][  T456]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   39.950917][  T456]  do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84)
[   39.950921][  T456]  ? exc_page_fault (arch/x86/mm/fault.c:1489 (discriminator 3) arch/x86/mm/fault.c:1536 (discriminator 3))
[   39.950926][  T456]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[   39.950929][  T456] RIP: 0033:0x7fd162a3754e
[   39.950934][  T456] Code: 4d 89 d8 e8 b4 bd 00 00 4c 8b 5d f8 41 8b 93 08 03 00 00 59 5e 48 83 f8 fc 74 11 c9 c3 0f 1f 80 00 00 00 00 48 8b 45 10 0f 05 <c9> c3 83 e2 39 83 fa 08 75 e7 e8 03 ff ff ff 0f 1f 00 f3 0f 1e fa
All code
========
   0:	4d 89 d8             	mov    %r11,%r8
   3:	e8 b4 bd 00 00       	call   0xbdbc
   8:	4c 8b 5d f8          	mov    -0x8(%rbp),%r11
   c:	41 8b 93 08 03 00 00 	mov    0x308(%r11),%edx
  13:	59                   	pop    %rcx
  14:	5e                   	pop    %rsi
  15:	48 83 f8 fc          	cmp    $0xfffffffffffffffc,%rax
  19:	74 11                	je     0x2c
  1b:	c9                   	leave
  1c:	c3                   	ret
  1d:	0f 1f 80 00 00 00 00 	nopl   0x0(%rax)
  24:	48 8b 45 10          	mov    0x10(%rbp),%rax
  28:	0f 05                	syscall
  2a:*	c9                   	leave		<-- trapping instruction
  2b:	c3                   	ret
  2c:	83 e2 39             	and    $0x39,%edx
  2f:	83 fa 08             	cmp    $0x8,%edx
  32:	75 e7                	jne    0x1b
  34:	e8 03 ff ff ff       	call   0xffffffffffffff3c
  39:	0f 1f 00             	nopl   (%rax)
  3c:	f3 0f 1e fa          	endbr64

Code starting with the faulting instruction
===========================================
   0:	c9                   	leave
   1:	c3                   	ret
   2:	83 e2 39             	and    $0x39,%edx
   5:	83 fa 08             	cmp    $0x8,%edx
   8:	75 e7                	jne    0xfffffffffffffff1
   a:	e8 03 ff ff ff       	call   0xffffffffffffff12
   f:	0f 1f 00             	nopl   (%rax)
  12:	f3 0f 1e fa          	endbr64
[   39.950937][  T456] RSP: 002b:00007ffdd58f36d0 EFLAGS: 00000202 ORIG_RAX: 000000000000002e
[   39.950940][  T456] RAX: ffffffffffffffda RBX: 0000000000000003 RCX: 00007fd162a3754e
[   39.950942][  T456] RDX: 0000000000000000 RSI: 00007ffdd58f3780 RDI: 0000000000000005
[   39.950944][  T456] RBP: 00007ffdd58f36e0 R08: 0000000000000000 R09: 0000000000000000
[   39.950945][  T456] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a90d7ab
[   39.950947][  T456] R13: 00000000004a1620 R14: 0000000000000000 R15: 00007ffdd58f3e50
| [   40.979424][  T462] softirqs last disabled at (29798): netif_change_name (./include/linux/spinlock.h:353 ./include/linux/seqlock.h:908 net/core/dev.c:1499)
| [   40.979427][  T462] Preemption disabled at:
| [   40.979428][  T462] vprintk_emit (kernel/printk/printk.c:2471)
| [   40.979439][  T462] Tainted: [W]=WARN
[   40.979440][  T462] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   40.979443][  T462] Call Trace:
[   40.979445][  T462]  <TASK>
[   40.979447][  T462]  dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120)
[   40.979453][  T462]  ? vprintk_emit (kernel/printk/printk.c:2471)
[   40.979456][  T462]  __might_resched.cold (kernel/sched/core.c:9234)
[   40.979462][  T462]  ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3))
[   40.979467][  T462]  ? __kmalloc_noprof (./include/linux/sched/mm.h:317 mm/slub.c:4636 mm/slub.c:4974 mm/slub.c:5413 mm/slub.c:5439)
[   40.979475][  T462]  __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))
[   40.979479][  T462]  ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[   40.979488][  T462]  ? 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)
[   40.979492][  T462]  alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[   40.979498][  T462]  put_chars (drivers/char/virtio_console.c:1176)
[   40.979502][  T462]  ? __send_to_port (drivers/char/virtio_console.c:654)
[   40.979509][  T462]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380)
[   40.979513][  T462]  ? validate_chain (kernel/locking/lockdep.c:3817 (discriminator 2) kernel/locking/lockdep.c:3837 (discriminator 2) kernel/locking/lockdep.c:3892 (discriminator 2))
[   40.979521][  T462]  hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2))
[   40.979526][  T462]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   40.979528][  T462]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   40.979536][  T462]  ? hvc_write (drivers/tty/hvc/hvc_console.c:501)
[   40.979542][  T462]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   40.979546][  T462]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   40.979553][  T462]  console_emit_next_record (kernel/printk/printk.c:3183)
[   40.979559][  T462]  ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20)
[   40.979561][  T462]  ? 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))
[   40.979566][  T462]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   40.979569][  T462]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   40.979577][  T462]  console_flush_one_record (kernel/printk/printk.c:3268)
[   40.979583][  T462]  ? console_emit_next_record (kernel/printk/printk.c:3150)
[   40.979586][  T462]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   40.979596][  T462]  console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420)
[   40.979600][  T462]  ? console_flush_one_record (kernel/printk/printk.c:3316)
[   40.979602][  T462]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   40.979605][  T462]  ? lock_acquire (kernel/locking/lockdep.c:5913)
[   40.979612][  T462]  ? __down_trylock_console_sem (kernel/printk/printk.c:334)
[   40.979614][  T462]  ? vprintk_emit (kernel/printk/printk.c:2478)
[   40.979619][  T462]  vprintk_emit (kernel/printk/printk.c:2479)
[   40.979625][  T462]  ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126))
[   40.979628][  T462]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   40.979631][  T462]  ? save_trace (kernel/locking/lockdep.c:154 (discriminator 6) kernel/locking/lockdep.c:150 (discriminator 6) kernel/locking/lockdep.c:202 (discriminator 6) kernel/locking/lockdep.c:577 (discriminator 6))
[   40.979634][  T462]  ? find_held_lock (kernel/locking/lockdep.c:5360)
[   40.979640][  T462]  _printk (kernel/printk/printk.c:2504)
[   40.979645][  T462]  ? snapshot_read.cold (user.c:?)
[   40.979647][  T462]  ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4116 (discriminator 3) kernel/rcu/tree.c:4108 (discriminator 3))
[   40.979652][  T462]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380)
[   40.979655][  T462]  ? validate_chain (kernel/locking/lockdep.c:3817 (discriminator 2) kernel/locking/lockdep.c:3837 (discriminator 2) kernel/locking/lockdep.c:3892 (discriminator 2))
[   40.979659][  T462]  ? netdev_name (./include/linux/netdevice.h:5709 (discriminator 1))
[   40.979663][  T462]  ? __netdev_printk (net/core/dev.c:13148 (discriminator 2))
[   40.979667][  T462]  ? do_setlink.isra.0 (net/core/rtnetlink.c:3246)
[   40.979677][  T462]  netdev_info (net/core/dev.c:13195 (discriminator 3))
[   40.979681][  T462]  ? netdev_notice (net/core/dev.c:13194)
[   40.979685][  T462]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[   40.979689][  T462]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554)
[   40.979693][  T462]  ? mark_held_locks (kernel/locking/lockdep.c:4341)
[   40.979699][  T462]  ? do_setlink.isra.0 (net/core/rtnetlink.c:3246)
[   40.979703][  T462]  netif_change_name.cold (net/core/dev.c:1507 (discriminator 3))
[   40.979708][  T462]  ? 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))
[   40.979719][  T462]  ? netdev_adjacent_rename_links (net/core/dev.c:9598)
[   40.979723][  T462]  ? __kernel_text_address (kernel/extable.c:79)
[   40.979727][  T462]  ? write_profile (profile.c:?)
[   40.979733][  T462]  ? __asan_memset (mm/kasan/shadow.c:84 (discriminator 1))
[   40.979741][  T462]  do_setlink.isra.0 (net/core/rtnetlink.c:3246)
[   40.979748][  T462]  ? stack_trace_save (kernel/stacktrace.c:122 (discriminator 1))
[   40.979751][  T462]  ? rtnl_link_get_size (net/core/rtnetlink.c:747)
[   40.979753][  T462]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:388 kernel/rcu/update.c:380)
[   40.979756][  T462]  ? stack_depot_save_flags (lib/stackdepot.c:609 (discriminator 2) lib/stackdepot.c:676 (discriminator 2))
[   40.979761][  T462]  ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4116 (discriminator 3) kernel/rcu/tree.c:4108 (discriminator 3))
[   40.979764][  T462]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380)
[   40.979767][  T462]  ? validate_chain (kernel/locking/lockdep.c:3817 (discriminator 2) kernel/locking/lockdep.c:3837 (discriminator 2) kernel/locking/lockdep.c:3892 (discriminator 2))
[   40.979772][  T462]  ? kasan_save_stack (mm/kasan/common.c:58)
[   40.979775][  T462]  ? kasan_save_stack (mm/kasan/common.c:57)
[   40.979778][  T462]  ? kasan_save_track (mm/kasan/common.c:78)
[   40.979782][  T462]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   40.979785][  T462]  ? netlink_update_listeners (net/netlink/af_netlink.c:532)
[   40.979789][  T462]  ? ___sys_sendmsg (net/socket.c:2744 net/socket.c:2763)
[   40.979797][  T462]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2))
[   40.979800][  T462]  ? rtnl_newlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:366 net/core/rtnetlink.c:4214)
[   40.979805][  T462]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   40.979808][  T462]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   40.979810][  T462]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   40.979812][  T462]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   40.979815][  T462]  ? trace_contention_end (./include/trace/events/lock.h:121 (discriminator 22))
[   40.979819][  T462]  ? __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)
[   40.979823][  T462]  ? __mutex_lock (kernel/locking/mutex.c:656 (discriminator 1) kernel/locking/mutex.c:821 (discriminator 1))
[   40.979827][  T462]  ? rtnl_newlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:366 net/core/rtnetlink.c:4214)
[   40.979833][  T462]  ? ww_mutex_lock (kernel/locking/mutex.c:934)
[   40.979836][  T462]  ? nla_get_range_signed (lib/nlattr.c:270)
[   40.979845][  T462]  ? __rtnl_newlink (net/core/rtnetlink.c:4063)
[   40.979855][  T462]  rtnl_newlink (net/core/rtnetlink.c:4215)
[   40.979864][  T462]  ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558)
[   40.979867][  T462]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   40.979875][  T462]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2))
[   40.979878][  T462]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[   40.979881][  T462]  ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558)
[   40.979884][  T462]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554)
[   40.979890][  T462]  ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558)
[   40.979894][  T462]  rtnetlink_rcv_msg (net/core/rtnetlink.c:7132)
[   40.979899][  T462]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   40.979901][  T462]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   40.979909][  T462]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2))
[   40.979912][  T462]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[   40.979918][  T462]  netlink_rcv_skb (net/netlink/af_netlink.c:2556)
[   40.979921][  T462]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   40.979925][  T462]  ? netlink_ack (./include/linux/skbuff.h:2718)
[   40.979936][  T462]  ? 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))
[   40.979938][  T462]  ? 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))
[   40.979946][  T462]  netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[   40.979952][  T462]  ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[   40.979956][  T462]  ? __lock_acquire (kernel/locking/lockdep.c:5251 (discriminator 3))
[   40.979962][  T462]  netlink_sendmsg (net/netlink/af_netlink.c:1900)
[   40.979968][  T462]  ? netlink_unicast (./include/net/net_namespace.h:422 (discriminator 7))
[   40.979970][  T462]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554)
[   40.979975][  T462]  ? __might_fault (mm/memory.c:7482 (discriminator 5))
[   40.979980][  T462]  ? __might_fault (mm/memory.c:7482 (discriminator 5))
[   40.979987][  T462]  ____sys_sendmsg (net/socket.c:800 (discriminator 4) net/socket.c:815 (discriminator 4) net/socket.c:2713 (discriminator 4))
[   40.979990][  T462]  ? copy_msghdr_from_user (net/socket.c:2650)
[   40.979994][  T462]  ? get_timestamp.constprop.0 (./include/linux/netdevice.h:5399)
[   40.979996][  T462]  ? move_addr_to_kernel (./include/linux/audit.h:354 (discriminator 1))
[   40.980008][  T462]  ___sys_sendmsg (net/socket.c:2767)
[   40.980013][  T462]  ? copy_msghdr_from_user (net/socket.c:2619)
[   40.980039][  T462]  __sys_sendmsg (net/socket.c:2799)
[   40.980044][  T462]  ? __sys_sendmsg_sock (net/socket.c:2780)
[   40.980054][  T462]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   40.980059][  T462]  do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84)
[   40.980063][  T462]  ? exc_page_fault (arch/x86/mm/fault.c:1489 (discriminator 3) arch/x86/mm/fault.c:1536 (discriminator 3))
[   40.980068][  T462]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[   40.980071][  T462] RIP: 0033:0x7fe80d84e54e
[   40.980076][  T462] 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
[   40.980079][  T462] RSP: 002b:00007ffcb05430a0 EFLAGS: 00000202 ORIG_RAX: 000000000000002e
[   40.980082][  T462] RAX: ffffffffffffffda RBX: 0000000000000003 RCX: 00007fe80d84e54e
[   40.980084][  T462] RDX: 0000000000000000 RSI: 00007ffcb0543150 RDI: 0000000000000005
[   40.980085][  T462] RBP: 00007ffcb05430b0 R08: 0000000000000000 R09: 0000000000000000
[   40.980086][  T462] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a90d7ac
[   40.980088][  T462] R13: 00000000004a1620 R14: 0000000000000000 R15: 00007ffcb0543820
| [   42.075147][  T469] softirqs last disabled at (27886): netif_change_name (./include/linux/spinlock.h:353 ./include/linux/seqlock.h:908 net/core/dev.c:1499)
| [   42.075150][  T469] Preemption disabled at:
| [   42.075151][  T469] vprintk_emit (kernel/printk/printk.c:2471)
| [   42.075160][  T469] Tainted: [W]=WARN
[   42.075161][  T469] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   42.075162][  T469] Call Trace:
[   42.075164][  T469]  <TASK>
[   42.075166][  T469]  dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120)
[   42.075171][  T469]  ? vprintk_emit (kernel/printk/printk.c:2471)
[   42.075173][  T469]  __might_resched.cold (kernel/sched/core.c:9234)
[   42.075178][  T469]  ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3))
[   42.075181][  T469]  ? __kmalloc_noprof (./include/linux/sched/mm.h:317 mm/slub.c:4636 mm/slub.c:4974 mm/slub.c:5413 mm/slub.c:5439)
[   42.075186][  T469]  __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))
[   42.075189][  T469]  ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[   42.075195][  T469]  ? 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)
[   42.075198][  T469]  alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[   42.075201][  T469]  put_chars (drivers/char/virtio_console.c:1176)
[   42.075205][  T469]  ? __send_to_port (drivers/char/virtio_console.c:654)
[   42.075208][  T469]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380)
[   42.075212][  T469]  ? validate_chain (kernel/locking/lockdep.c:3817 (discriminator 2) kernel/locking/lockdep.c:3837 (discriminator 2) kernel/locking/lockdep.c:3892 (discriminator 2))
[   42.075217][  T469]  hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2))
[   42.075220][  T469]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   42.075222][  T469]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   42.075227][  T469]  ? hvc_write (drivers/tty/hvc/hvc_console.c:501)
[   42.075230][  T469]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   42.075233][  T469]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   42.075238][  T469]  console_emit_next_record (kernel/printk/printk.c:3183)
[   42.075243][  T469]  ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20)
[   42.075245][  T469]  ? 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))
[   42.075248][  T469]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   42.075249][  T469]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   42.075254][  T469]  console_flush_one_record (kernel/printk/printk.c:3268)
[   42.075258][  T469]  ? console_emit_next_record (kernel/printk/printk.c:3150)
[   42.075259][  T469]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   42.075265][  T469]  console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420)
[   42.075267][  T469]  ? console_flush_one_record (kernel/printk/printk.c:3316)
[   42.075268][  T469]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   42.075270][  T469]  ? lock_acquire (kernel/locking/lockdep.c:5913)
[   42.075274][  T469]  ? __down_trylock_console_sem (kernel/printk/printk.c:334)
[   42.075276][  T469]  ? vprintk_emit (kernel/printk/printk.c:2478)
[   42.075279][  T469]  vprintk_emit (kernel/printk/printk.c:2479)
[   42.075283][  T469]  ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126))
[   42.075285][  T469]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   42.075287][  T469]  ? save_trace (kernel/locking/lockdep.c:154 (discriminator 6) kernel/locking/lockdep.c:150 (discriminator 6) kernel/locking/lockdep.c:202 (discriminator 6) kernel/locking/lockdep.c:577 (discriminator 6))
[   42.075289][  T469]  ? find_held_lock (kernel/locking/lockdep.c:5360)
[   42.075293][  T469]  _printk (kernel/printk/printk.c:2504)
[   42.075297][  T469]  ? snapshot_read.cold (user.c:?)
[   42.075298][  T469]  ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4116 (discriminator 3) kernel/rcu/tree.c:4108 (discriminator 3))
[   42.075301][  T469]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380)
[   42.075303][  T469]  ? validate_chain (kernel/locking/lockdep.c:3817 (discriminator 2) kernel/locking/lockdep.c:3837 (discriminator 2) kernel/locking/lockdep.c:3892 (discriminator 2))
[   42.075306][  T469]  ? netdev_name (./include/linux/netdevice.h:5709 (discriminator 1))
[   42.075309][  T469]  ? __netdev_printk (net/core/dev.c:13148 (discriminator 2))
[   42.075312][  T469]  ? do_setlink.isra.0 (net/core/rtnetlink.c:3246)
[   42.075314][  T469]  netdev_info (net/core/dev.c:13195 (discriminator 3))
[   42.075317][  T469]  ? netdev_notice (net/core/dev.c:13194)
[   42.075320][  T469]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[   42.075323][  T469]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554)
[   42.075326][  T469]  ? mark_held_locks (kernel/locking/lockdep.c:4341)
[   42.075330][  T469]  ? do_setlink.isra.0 (net/core/rtnetlink.c:3246)
[   42.075332][  T469]  netif_change_name.cold (net/core/dev.c:1507 (discriminator 3))
[   42.075336][  T469]  ? 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))
[   42.075342][  T469]  ? netdev_adjacent_rename_links (net/core/dev.c:9598)
[   42.075344][  T469]  ? __kernel_text_address (kernel/extable.c:79)
[   42.075347][  T469]  ? write_profile (profile.c:?)
[   42.075352][  T469]  ? __asan_memset (mm/kasan/shadow.c:84 (discriminator 1))
[   42.075357][  T469]  do_setlink.isra.0 (net/core/rtnetlink.c:3246)
[   42.075362][  T469]  ? stack_trace_save (kernel/stacktrace.c:122 (discriminator 1))
[   42.075364][  T469]  ? rtnl_link_get_size (net/core/rtnetlink.c:747)
[   42.075365][  T469]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:388 kernel/rcu/update.c:380)
[   42.075367][  T469]  ? stack_depot_save_flags (lib/stackdepot.c:609 (discriminator 2) lib/stackdepot.c:676 (discriminator 2))
[   42.075371][  T469]  ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4116 (discriminator 3) kernel/rcu/tree.c:4108 (discriminator 3))
[   42.075373][  T469]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380)
[   42.075375][  T469]  ? validate_chain (kernel/locking/lockdep.c:3817 (discriminator 2) kernel/locking/lockdep.c:3837 (discriminator 2) kernel/locking/lockdep.c:3892 (discriminator 2))
[   42.075378][  T469]  ? kasan_save_stack (mm/kasan/common.c:58)
[   42.075381][  T469]  ? kasan_save_stack (mm/kasan/common.c:57)
[   42.075383][  T469]  ? kasan_save_track (mm/kasan/common.c:78)
[   42.075385][  T469]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   42.075388][  T469]  ? netlink_update_listeners (net/netlink/af_netlink.c:532)
[   42.075390][  T469]  ? ___sys_sendmsg (net/socket.c:2744 net/socket.c:2763)
[   42.075395][  T469]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2))
[   42.075397][  T469]  ? rtnl_newlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:366 net/core/rtnetlink.c:4214)
[   42.075400][  T469]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   42.075402][  T469]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   42.075404][  T469]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   42.075405][  T469]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   42.075407][  T469]  ? trace_contention_end (./include/trace/events/lock.h:121 (discriminator 22))
[   42.075410][  T469]  ? __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)
[   42.075413][  T469]  ? __mutex_lock (kernel/locking/mutex.c:656 (discriminator 1) kernel/locking/mutex.c:821 (discriminator 1))
[   42.075415][  T469]  ? rtnl_newlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:366 net/core/rtnetlink.c:4214)
[   42.075419][  T469]  ? ww_mutex_lock (kernel/locking/mutex.c:934)
[   42.075421][  T469]  ? nla_get_range_signed (lib/nlattr.c:270)
[   42.075427][  T469]  ? __rtnl_newlink (net/core/rtnetlink.c:4063)
[   42.075432][  T469]  rtnl_newlink (net/core/rtnetlink.c:4215)
[   42.075438][  T469]  ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558)
[   42.075440][  T469]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   42.075445][  T469]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2))
[   42.075447][  T469]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[   42.075449][  T469]  ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558)
[   42.075451][  T469]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554)
[   42.075455][  T469]  ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558)
[   42.075457][  T469]  rtnetlink_rcv_msg (net/core/rtnetlink.c:7132)
[   42.075461][  T469]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   42.075462][  T469]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   42.075467][  T469]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2))
[   42.075469][  T469]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[   42.075473][  T469]  netlink_rcv_skb (net/netlink/af_netlink.c:2556)
[   42.075475][  T469]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   42.075478][  T469]  ? netlink_ack (./include/linux/skbuff.h:2718)
[   42.075484][  T469]  ? 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))
[   42.075486][  T469]  ? 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))
[   42.075490][  T469]  netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[   42.075494][  T469]  ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[   42.075497][  T469]  ? __lock_acquire (kernel/locking/lockdep.c:5251 (discriminator 3))
[   42.075501][  T469]  netlink_sendmsg (net/netlink/af_netlink.c:1900)
[   42.075505][  T469]  ? netlink_unicast (./include/net/net_namespace.h:422 (discriminator 7))
[   42.075507][  T469]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554)
[   42.075510][  T469]  ? __might_fault (mm/memory.c:7482 (discriminator 5))
[   42.075514][  T469]  ? __might_fault (mm/memory.c:7482 (discriminator 5))
[   42.075518][  T469]  ____sys_sendmsg (net/socket.c:800 (discriminator 4) net/socket.c:815 (discriminator 4) net/socket.c:2713 (discriminator 4))
[   42.075521][  T469]  ? copy_msghdr_from_user (net/socket.c:2650)
[   42.075523][  T469]  ? get_timestamp.constprop.0 (./include/linux/netdevice.h:5399)
[   42.075525][  T469]  ? move_addr_to_kernel (./include/linux/audit.h:354 (discriminator 1))
[   42.075532][  T469]  ___sys_sendmsg (net/socket.c:2767)
[   42.075535][  T469]  ? copy_msghdr_from_user (net/socket.c:2619)
[   42.075552][  T469]  __sys_sendmsg (net/socket.c:2799)
[   42.075555][  T469]  ? __sys_sendmsg_sock (net/socket.c:2780)
[   42.075562][  T469]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   42.075565][  T469]  do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84)
[   42.075568][  T469]  ? exc_page_fault (arch/x86/mm/fault.c:1489 (discriminator 3) arch/x86/mm/fault.c:1536 (discriminator 3))
[   42.075571][  T469]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[   42.075573][  T469] RIP: 0033:0x7f36aa59954e
[   42.075577][  T469] 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
[   42.075579][  T469] RSP: 002b:00007ffe3e00c790 EFLAGS: 00000202 ORIG_RAX: 000000000000002e
[   42.075582][  T469] RAX: ffffffffffffffda RBX: 0000000000000003 RCX: 00007f36aa59954e
[   42.075583][  T469] RDX: 0000000000000000 RSI: 00007ffe3e00c840 RDI: 0000000000000005
[   42.075584][  T469] RBP: 00007ffe3e00c7a0 R08: 0000000000000000 R09: 0000000000000000
[   42.075585][  T469] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a90d7ad
[   42.075585][  T469] R13: 00000000004a1620 R14: 0000000000000000 R15: 00007ffe3e00cf10
| [   43.358794][  T479] softirqs last disabled at (38223): __irq_exit_rcu (kernel/softirq.c:679 kernel/softirq.c:519 kernel/softirq.c:767)
| [   43.358797][  T479] Preemption disabled at:
| [   43.358798][  T479] vprintk_emit (kernel/printk/printk.c:2471)
| [   43.358810][  T479] Tainted: [W]=WARN
[   43.358812][  T479] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   43.358814][  T479] Call Trace:
[   43.358816][  T479]  <TASK>
[   43.358819][  T479]  dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120)
[   43.358825][  T479]  ? vprintk_emit (kernel/printk/printk.c:2471)
[   43.358828][  T479]  __might_resched.cold (kernel/sched/core.c:9234)
[   43.358834][  T479]  ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3))
[   43.358839][  T479]  ? __kmalloc_noprof (./include/linux/sched/mm.h:317 mm/slub.c:4636 mm/slub.c:4974 mm/slub.c:5413 mm/slub.c:5439)
[   43.358847][  T479]  __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))
[   43.358851][  T479]  ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[   43.358861][  T479]  ? 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)
[   43.358865][  T479]  alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[   43.358871][  T479]  put_chars (drivers/char/virtio_console.c:1176)
[   43.358875][  T479]  ? __send_to_port (drivers/char/virtio_console.c:654)
[   43.358882][  T479]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380)
[   43.358887][  T479]  ? validate_chain (kernel/locking/lockdep.c:3817 (discriminator 2) kernel/locking/lockdep.c:3837 (discriminator 2) kernel/locking/lockdep.c:3892 (discriminator 2))
[   43.358894][  T479]  hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2))
[   43.358899][  T479]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   43.358902][  T479]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   43.358911][  T479]  ? hvc_write (drivers/tty/hvc/hvc_console.c:501)
[   43.358917][  T479]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   43.358921][  T479]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   43.358928][  T479]  console_emit_next_record (kernel/printk/printk.c:3183)
[   43.358934][  T479]  ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20)
[   43.358936][  T479]  ? 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))
[   43.358941][  T479]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   43.358945][  T479]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   43.358952][  T479]  console_flush_one_record (kernel/printk/printk.c:3268)
[   43.358959][  T479]  ? console_emit_next_record (kernel/printk/printk.c:3150)
[   43.358961][  T479]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   43.358971][  T479]  console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420)
[   43.358976][  T479]  ? console_flush_one_record (kernel/printk/printk.c:3316)
[   43.358978][  T479]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   43.358982][  T479]  ? lock_acquire (kernel/locking/lockdep.c:5913)
[   43.358988][  T479]  ? __down_trylock_console_sem (kernel/printk/printk.c:334)
[   43.358992][  T479]  ? vprintk_emit (kernel/printk/printk.c:2478)
[   43.358997][  T479]  vprintk_emit (kernel/printk/printk.c:2479)
[   43.359003][  T479]  ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126))
[   43.359007][  T479]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   43.359010][  T479]  ? save_trace (kernel/locking/lockdep.c:154 (discriminator 6) kernel/locking/lockdep.c:150 (discriminator 6) kernel/locking/lockdep.c:202 (discriminator 6) kernel/locking/lockdep.c:577 (discriminator 6))
[   43.359013][  T479]  ? find_held_lock (kernel/locking/lockdep.c:5360)
[   43.359020][  T479]  _printk (kernel/printk/printk.c:2504)
[   43.359025][  T479]  ? snapshot_read.cold (user.c:?)
[   43.359028][  T479]  ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4116 (discriminator 3) kernel/rcu/tree.c:4108 (discriminator 3))
[   43.359033][  T479]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380)
[   43.359036][  T479]  ? validate_chain (kernel/locking/lockdep.c:3817 (discriminator 2) kernel/locking/lockdep.c:3837 (discriminator 2) kernel/locking/lockdep.c:3892 (discriminator 2))
[   43.359040][  T479]  ? netdev_name (./include/linux/netdevice.h:5709 (discriminator 1))
[   43.359044][  T479]  ? __netdev_printk (net/core/dev.c:13148 (discriminator 2))
[   43.359049][  T479]  ? do_setlink.isra.0 (net/core/rtnetlink.c:3246)
[   43.359053][  T479]  netdev_info (net/core/dev.c:13195 (discriminator 3))
[   43.359057][  T479]  ? netdev_notice (net/core/dev.c:13194)
[   43.359061][  T479]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[   43.359066][  T479]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554)
[   43.359071][  T479]  ? mark_held_locks (kernel/locking/lockdep.c:4341)
[   43.359077][  T479]  ? do_setlink.isra.0 (net/core/rtnetlink.c:3246)
[   43.359081][  T479]  netif_change_name.cold (net/core/dev.c:1507 (discriminator 3))
[   43.359086][  T479]  ? 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))
[   43.359095][  T479]  ? netdev_adjacent_rename_links (net/core/dev.c:9598)
[   43.359100][  T479]  ? __kernel_text_address (kernel/extable.c:79)
[   43.359104][  T479]  ? write_profile (profile.c:?)
[   43.359110][  T479]  ? __asan_memset (mm/kasan/shadow.c:84 (discriminator 1))
[   43.359119][  T479]  do_setlink.isra.0 (net/core/rtnetlink.c:3246)
[   43.359126][  T479]  ? stack_trace_save (kernel/stacktrace.c:122 (discriminator 1))
[   43.359130][  T479]  ? rtnl_link_get_size (net/core/rtnetlink.c:747)
[   43.359132][  T479]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:388 kernel/rcu/update.c:380)
[   43.359135][  T479]  ? stack_depot_save_flags (lib/stackdepot.c:609 (discriminator 2) lib/stackdepot.c:676 (discriminator 2))
[   43.359140][  T479]  ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4116 (discriminator 3) kernel/rcu/tree.c:4108 (discriminator 3))
[   43.359144][  T479]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380)
[   43.359147][  T479]  ? validate_chain (kernel/locking/lockdep.c:3817 (discriminator 2) kernel/locking/lockdep.c:3837 (discriminator 2) kernel/locking/lockdep.c:3892 (discriminator 2))
[   43.359152][  T479]  ? kasan_save_stack (mm/kasan/common.c:58)
[   43.359156][  T479]  ? kasan_save_stack (mm/kasan/common.c:57)
[   43.359158][  T479]  ? kasan_save_track (mm/kasan/common.c:78)
[   43.359163][  T479]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   43.359167][  T479]  ? netlink_update_listeners (net/netlink/af_netlink.c:532)
[   43.359171][  T479]  ? ___sys_sendmsg (net/socket.c:2744 net/socket.c:2763)
[   43.359178][  T479]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2))
[   43.359182][  T479]  ? rtnl_newlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:366 net/core/rtnetlink.c:4214)
[   43.359187][  T479]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   43.359190][  T479]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   43.359192][  T479]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   43.359194][  T479]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   43.359198][  T479]  ? trace_contention_end (./include/trace/events/lock.h:121 (discriminator 22))
[   43.359202][  T479]  ? __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)
[   43.359205][  T479]  ? __mutex_lock (kernel/locking/mutex.c:656 (discriminator 1) kernel/locking/mutex.c:821 (discriminator 1))
[   43.359209][  T479]  ? rtnl_newlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:366 net/core/rtnetlink.c:4214)
[   43.359216][  T479]  ? ww_mutex_lock (kernel/locking/mutex.c:934)
[   43.359219][  T479]  ? nla_get_range_signed (lib/nlattr.c:270)
[   43.359229][  T479]  ? __rtnl_newlink (net/core/rtnetlink.c:4063)
[   43.359241][  T479]  rtnl_newlink (net/core/rtnetlink.c:4215)
[   43.359253][  T479]  ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558)
[   43.359256][  T479]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   43.359265][  T479]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2))
[   43.359268][  T479]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[   43.359271][  T479]  ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558)
[   43.359275][  T479]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554)
[   43.359282][  T479]  ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558)
[   43.359285][  T479]  rtnetlink_rcv_msg (net/core/rtnetlink.c:7132)
[   43.359290][  T479]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   43.359292][  T479]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   43.359300][  T479]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2))
[   43.359303][  T479]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[   43.359309][  T479]  netlink_rcv_skb (net/netlink/af_netlink.c:2556)
[   43.359312][  T479]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   43.359317][  T479]  ? netlink_ack (./include/linux/skbuff.h:2718)
[   43.359329][  T479]  ? 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))
[   43.359331][  T479]  ? 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))
[   43.359339][  T479]  netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[   43.359346][  T479]  ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[   43.359351][  T479]  ? __lock_acquire (kernel/locking/lockdep.c:5251 (discriminator 3))
[   43.359359][  T479]  netlink_sendmsg (net/netlink/af_netlink.c:1900)
[   43.359366][  T479]  ? netlink_unicast (./include/net/net_namespace.h:422 (discriminator 7))
[   43.359368][  T479]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554)
[   43.359373][  T479]  ? __might_fault (mm/memory.c:7482 (discriminator 5))
[   43.359378][  T479]  ? __might_fault (mm/memory.c:7482 (discriminator 5))
[   43.359386][  T479]  ____sys_sendmsg (net/socket.c:800 (discriminator 4) net/socket.c:815 (discriminator 4) net/socket.c:2713 (discriminator 4))
[   43.359390][  T479]  ? copy_msghdr_from_user (net/socket.c:2650)
[   43.359394][  T479]  ? get_timestamp.constprop.0 (./include/linux/netdevice.h:5399)
[   43.359396][  T479]  ? move_addr_to_kernel (./include/linux/audit.h:354 (discriminator 1))
[   43.359410][  T479]  ___sys_sendmsg (net/socket.c:2767)
[   43.359415][  T479]  ? copy_msghdr_from_user (net/socket.c:2619)
[   43.359445][  T479]  __sys_sendmsg (net/socket.c:2799)
[   43.359450][  T479]  ? __sys_sendmsg_sock (net/socket.c:2780)
[   43.359461][  T479]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   43.359467][  T479]  do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84)
[   43.359470][  T479]  ? exc_page_fault (arch/x86/mm/fault.c:1489 (discriminator 3) arch/x86/mm/fault.c:1536 (discriminator 3))
[   43.359475][  T479]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[   43.359480][  T479] RIP: 0033:0x7f611da9b54e
[   43.359485][  T479] 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
[   43.359487][  T479] RSP: 002b:00007ffc58db6680 EFLAGS: 00000202 ORIG_RAX: 000000000000002e
[   43.359491][  T479] RAX: ffffffffffffffda RBX: 0000000000000003 RCX: 00007f611da9b54e
[   43.359493][  T479] RDX: 0000000000000000 RSI: 00007ffc58db6730 RDI: 0000000000000005
[   43.359494][  T479] RBP: 00007ffc58db6690 R08: 0000000000000000 R09: 0000000000000000
[   43.359495][  T479] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a90d7ae
[   43.359497][  T479] R13: 00000000004a1620 R14: 0000000000000000 R15: 00007ffc58db6e00
| [   44.491687][  T484] softirqs last disabled at (28112): netif_change_name (./include/linux/spinlock.h:353 ./include/linux/seqlock.h:908 net/core/dev.c:1499)
| [   44.491690][  T484] Preemption disabled at:
| [   44.491691][  T484] vprintk_emit (kernel/printk/printk.c:2471)
| [   44.491709][  T484] Tainted: [W]=WARN
[   44.491711][  T484] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   44.491716][  T484] Call Trace:
[   44.491718][  T484]  <TASK>
[   44.491720][  T484]  dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120)
[   44.491728][  T484]  ? vprintk_emit (kernel/printk/printk.c:2471)
[   44.491731][  T484]  __might_resched.cold (kernel/sched/core.c:9234)
[   44.491737][  T484]  ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3))
[   44.491742][  T484]  ? __kmalloc_noprof (./include/linux/sched/mm.h:317 mm/slub.c:4636 mm/slub.c:4974 mm/slub.c:5413 mm/slub.c:5439)
[   44.491750][  T484]  __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))
[   44.491754][  T484]  ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[   44.491763][  T484]  ? 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)
[   44.491768][  T484]  alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[   44.491773][  T484]  put_chars (drivers/char/virtio_console.c:1176)
[   44.491778][  T484]  ? __send_to_port (drivers/char/virtio_console.c:654)
[   44.491785][  T484]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380)
[   44.491790][  T484]  ? validate_chain (kernel/locking/lockdep.c:3817 (discriminator 2) kernel/locking/lockdep.c:3837 (discriminator 2) kernel/locking/lockdep.c:3892 (discriminator 2))
[   44.491797][  T484]  hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2))
[   44.491803][  T484]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   44.491805][  T484]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   44.491814][  T484]  ? hvc_write (drivers/tty/hvc/hvc_console.c:501)
[   44.491820][  T484]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   44.491824][  T484]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   44.491832][  T484]  console_emit_next_record (kernel/printk/printk.c:3183)
[   44.491838][  T484]  ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20)
[   44.491840][  T484]  ? 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))
[   44.491845][  T484]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   44.491848][  T484]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   44.491856][  T484]  console_flush_one_record (kernel/printk/printk.c:3268)
[   44.491862][  T484]  ? console_emit_next_record (kernel/printk/printk.c:3150)
[   44.491865][  T484]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   44.491875][  T484]  console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420)
[   44.491879][  T484]  ? console_flush_one_record (kernel/printk/printk.c:3316)
[   44.491881][  T484]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   44.491885][  T484]  ? lock_acquire (kernel/locking/lockdep.c:5913)
[   44.491891][  T484]  ? __down_trylock_console_sem (kernel/printk/printk.c:334)
[   44.491895][  T484]  ? vprintk_emit (kernel/printk/printk.c:2478)
[   44.491900][  T484]  vprintk_emit (kernel/printk/printk.c:2479)
[   44.491906][  T484]  ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126))
[   44.491909][  T484]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   44.491913][  T484]  ? save_trace (kernel/locking/lockdep.c:154 (discriminator 6) kernel/locking/lockdep.c:150 (discriminator 6) kernel/locking/lockdep.c:202 (discriminator 6) kernel/locking/lockdep.c:577 (discriminator 6))
[   44.491916][  T484]  ? find_held_lock (kernel/locking/lockdep.c:5360)
[   44.491923][  T484]  _printk (kernel/printk/printk.c:2504)
[   44.491928][  T484]  ? snapshot_read.cold (user.c:?)
[   44.491931][  T484]  ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4116 (discriminator 3) kernel/rcu/tree.c:4108 (discriminator 3))
[   44.491935][  T484]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380)
[   44.491939][  T484]  ? validate_chain (kernel/locking/lockdep.c:3817 (discriminator 2) kernel/locking/lockdep.c:3837 (discriminator 2) kernel/locking/lockdep.c:3892 (discriminator 2))
[   44.491943][  T484]  ? netdev_name (./include/linux/netdevice.h:5709 (discriminator 1))
[   44.491948][  T484]  ? __netdev_printk (net/core/dev.c:13148 (discriminator 2))
[   44.491952][  T484]  ? do_setlink.isra.0 (net/core/rtnetlink.c:3246)
[   44.491956][  T484]  netdev_info (net/core/dev.c:13195 (discriminator 3))
[   44.491960][  T484]  ? netdev_notice (net/core/dev.c:13194)
[   44.491965][  T484]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[   44.491970][  T484]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554)
[   44.491975][  T484]  ? mark_held_locks (kernel/locking/lockdep.c:4341)
[   44.491981][  T484]  ? do_setlink.isra.0 (net/core/rtnetlink.c:3246)
[   44.491985][  T484]  netif_change_name.cold (net/core/dev.c:1507 (discriminator 3))
[   44.491989][  T484]  ? 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))
[   44.491999][  T484]  ? netdev_adjacent_rename_links (net/core/dev.c:9598)
[   44.492003][  T484]  ? __kernel_text_address (kernel/extable.c:79)
[   44.492007][  T484]  ? write_profile (profile.c:?)
[   44.492013][  T484]  ? __asan_memset (mm/kasan/shadow.c:84 (discriminator 1))
[   44.492022][  T484]  do_setlink.isra.0 (net/core/rtnetlink.c:3246)
[   44.492029][  T484]  ? stack_trace_save (kernel/stacktrace.c:122 (discriminator 1))
[   44.492033][  T484]  ? rtnl_link_get_size (net/core/rtnetlink.c:747)
[   44.492035][  T484]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:388 kernel/rcu/update.c:380)
[   44.492038][  T484]  ? stack_depot_save_flags (lib/stackdepot.c:609 (discriminator 2) lib/stackdepot.c:676 (discriminator 2))
[   44.492043][  T484]  ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4116 (discriminator 3) kernel/rcu/tree.c:4108 (discriminator 3))
[   44.492047][  T484]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380)
[   44.492050][  T484]  ? validate_chain (kernel/locking/lockdep.c:3817 (discriminator 2) kernel/locking/lockdep.c:3837 (discriminator 2) kernel/locking/lockdep.c:3892 (discriminator 2))
[   44.492055][  T484]  ? kasan_save_stack (mm/kasan/common.c:58)
[   44.492059][  T484]  ? kasan_save_stack (mm/kasan/common.c:57)
[   44.492062][  T484]  ? kasan_save_track (mm/kasan/common.c:78)
[   44.492066][  T484]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   44.492070][  T484]  ? netlink_update_listeners (net/netlink/af_netlink.c:532)
[   44.492074][  T484]  ? ___sys_sendmsg (net/socket.c:2744 net/socket.c:2763)
[   44.492082][  T484]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2))
[   44.492085][  T484]  ? rtnl_newlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:366 net/core/rtnetlink.c:4214)
[   44.492090][  T484]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   44.492094][  T484]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   44.492096][  T484]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   44.492098][  T484]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   44.492102][  T484]  ? trace_contention_end (./include/trace/events/lock.h:121 (discriminator 22))
[   44.492106][  T484]  ? __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)
[   44.492110][  T484]  ? __mutex_lock (kernel/locking/mutex.c:656 (discriminator 1) kernel/locking/mutex.c:821 (discriminator 1))
[   44.492114][  T484]  ? rtnl_newlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:366 net/core/rtnetlink.c:4214)
[   44.492121][  T484]  ? ww_mutex_lock (kernel/locking/mutex.c:934)
[   44.492124][  T484]  ? nla_get_range_signed (lib/nlattr.c:270)
[   44.492134][  T484]  ? __rtnl_newlink (net/core/rtnetlink.c:4063)
[   44.492143][  T484]  rtnl_newlink (net/core/rtnetlink.c:4215)
[   44.492154][  T484]  ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558)
[   44.492157][  T484]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   44.492165][  T484]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2))
[   44.492169][  T484]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[   44.492172][  T484]  ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558)
[   44.492176][  T484]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554)
[   44.492183][  T484]  ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558)
[   44.492186][  T484]  rtnetlink_rcv_msg (net/core/rtnetlink.c:7132)
[   44.492192][  T484]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   44.492194][  T484]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   44.492203][  T484]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2))
[   44.492206][  T484]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[   44.492213][  T484]  netlink_rcv_skb (net/netlink/af_netlink.c:2556)
[   44.492216][  T484]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   44.492221][  T484]  ? netlink_ack (./include/linux/skbuff.h:2718)
[   44.492233][  T484]  ? 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))
[   44.492235][  T484]  ? 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))
[   44.492243][  T484]  netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[   44.492250][  T484]  ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[   44.492255][  T484]  ? __lock_acquire (kernel/locking/lockdep.c:5251 (discriminator 3))
[   44.492263][  T484]  netlink_sendmsg (net/netlink/af_netlink.c:1900)
[   44.492269][  T484]  ? netlink_unicast (./include/net/net_namespace.h:422 (discriminator 7))
[   44.492272][  T484]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554)
[   44.492277][  T484]  ? __might_fault (mm/memory.c:7482 (discriminator 5))
[   44.492282][  T484]  ? __might_fault (mm/memory.c:7482 (discriminator 5))
[   44.492289][  T484]  ____sys_sendmsg (net/socket.c:800 (discriminator 4) net/socket.c:815 (discriminator 4) net/socket.c:2713 (discriminator 4))
[   44.492293][  T484]  ? copy_msghdr_from_user (net/socket.c:2650)
[   44.492297][  T484]  ? get_timestamp.constprop.0 (./include/linux/netdevice.h:5399)
[   44.492300][  T484]  ? move_addr_to_kernel (./include/linux/audit.h:354 (discriminator 1))
[   44.492313][  T484]  ___sys_sendmsg (net/socket.c:2767)
[   44.492318][  T484]  ? copy_msghdr_from_user (net/socket.c:2619)
[   44.492349][  T484]  __sys_sendmsg (net/socket.c:2799)
[   44.492354][  T484]  ? __sys_sendmsg_sock (net/socket.c:2780)
[   44.492366][  T484]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   44.492372][  T484]  do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84)
[   44.492376][  T484]  ? exc_page_fault (arch/x86/mm/fault.c:1489 (discriminator 3) arch/x86/mm/fault.c:1536 (discriminator 3))
[   44.492381][  T484]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[   44.492385][  T484] RIP: 0033:0x7efcbe07854e
[   44.492390][  T484] 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
[   44.492393][  T484] RSP: 002b:00007ffff98a9ad0 EFLAGS: 00000202 ORIG_RAX: 000000000000002e
[   44.492397][  T484] RAX: ffffffffffffffda RBX: 0000000000000003 RCX: 00007efcbe07854e
[   44.492399][  T484] RDX: 0000000000000000 RSI: 00007ffff98a9b80 RDI: 0000000000000005
[   44.492401][  T484] RBP: 00007ffff98a9ae0 R08: 0000000000000000 R09: 0000000000000000
[   44.492402][  T484] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a90d7af
[   44.492404][  T484] R13: 00000000004a1620 R14: 0000000000000000 R15: 00007ffff98aa250
| [   45.599065][  T490] softirqs last disabled at (23698): netif_change_name (./include/linux/spinlock.h:353 ./include/linux/seqlock.h:908 net/core/dev.c:1499)
| [   45.599069][  T490] Preemption disabled at:
| [   45.599070][  T490] vprintk_emit (kernel/printk/printk.c:2471)
| [   45.599082][  T490] Tainted: [W]=WARN
[   45.599084][  T490] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   45.599086][  T490] Call Trace:
[   45.599088][  T490]  <TASK>
[   45.599091][  T490]  dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120)
[   45.599097][  T490]  ? vprintk_emit (kernel/printk/printk.c:2471)
[   45.599100][  T490]  __might_resched.cold (kernel/sched/core.c:9234)
[   45.599106][  T490]  ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3))
[   45.599111][  T490]  ? __kmalloc_noprof (./include/linux/sched/mm.h:317 mm/slub.c:4636 mm/slub.c:4974 mm/slub.c:5413 mm/slub.c:5439)
[   45.599119][  T490]  __kmalloc_noprof (./include/linux/sched/mm.h:322 (discriminator 2) mm/slub.c:4636 (discriminator 2) mm/slub.c:4974 (discriminator 2) mm/slub.c:5413 (discriminator 2) mm/slub.c:5439 (discriminator 2))
[   45.599123][  T490]  ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[   45.599132][  T490]  ? do_raw_spin_unlock (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:32 ./include/asm-generic/qspinlock.h:58 kernel/locking/spinlock_debug.c:101 kernel/locking/spinlock_debug.c:141)
[   45.599136][  T490]  alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[   45.599142][  T490]  put_chars (drivers/char/virtio_console.c:1176)
[   45.599147][  T490]  ? __send_to_port (drivers/char/virtio_console.c:654)
[   45.599153][  T490]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380)
[   45.599158][  T490]  ? validate_chain (kernel/locking/lockdep.c:3817 (discriminator 2) kernel/locking/lockdep.c:3837 (discriminator 2) kernel/locking/lockdep.c:3892 (discriminator 2))
[   45.599166][  T490]  hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2))
[   45.599170][  T490]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   45.599173][  T490]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   45.599182][  T490]  ? hvc_write (drivers/tty/hvc/hvc_console.c:501)
[   45.599188][  T490]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   45.599191][  T490]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   45.599199][  T490]  console_emit_next_record (kernel/printk/printk.c:3183)
[   45.599209][  T490]  ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20)
[   45.599212][  T490]  ? console_flush_one_record (./include/linux/rcupdate.h:314 (discriminator 2) ./include/linux/srcu.h:439 (discriminator 2) kernel/printk/printk.c:291 (discriminator 2) kernel/printk/printk.c:3246 (discriminator 2))
[   45.599217][  T490]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   45.599220][  T490]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   45.599227][  T490]  console_flush_one_record (kernel/printk/printk.c:3268)
[   45.599235][  T490]  ? console_emit_next_record (kernel/printk/printk.c:3150)
[   45.599237][  T490]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   45.599250][  T490]  console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420)
[   45.599254][  T490]  ? console_flush_one_record (kernel/printk/printk.c:3316)
[   45.599256][  T490]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   45.599260][  T490]  ? lock_acquire (kernel/locking/lockdep.c:5913)
[   45.599267][  T490]  ? __down_trylock_console_sem (kernel/printk/printk.c:334)
[   45.599270][  T490]  ? vprintk_emit (kernel/printk/printk.c:2478)
[   45.599276][  T490]  vprintk_emit (kernel/printk/printk.c:2479)
[   45.599282][  T490]  ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126))
[   45.599285][  T490]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   45.599289][  T490]  ? save_trace (kernel/locking/lockdep.c:154 (discriminator 6) kernel/locking/lockdep.c:150 (discriminator 6) kernel/locking/lockdep.c:202 (discriminator 6) kernel/locking/lockdep.c:577 (discriminator 6))
[   45.599292][  T490]  ? find_held_lock (kernel/locking/lockdep.c:5360)
[   45.599300][  T490]  _printk (kernel/printk/printk.c:2504)
[   45.599305][  T490]  ? snapshot_read.cold (user.c:?)
[   45.599308][  T490]  ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4116 (discriminator 3) kernel/rcu/tree.c:4108 (discriminator 3))
[   45.599313][  T490]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380)
[   45.599317][  T490]  ? validate_chain (kernel/locking/lockdep.c:3817 (discriminator 2) kernel/locking/lockdep.c:3837 (discriminator 2) kernel/locking/lockdep.c:3892 (discriminator 2))
[   45.599320][  T490]  ? netdev_name (./include/linux/netdevice.h:5709 (discriminator 1))
[   45.599325][  T490]  ? __netdev_printk (net/core/dev.c:13148 (discriminator 2))
[   45.599330][  T490]  ? do_setlink.isra.0 (net/core/rtnetlink.c:3246)
[   45.599334][  T490]  netdev_info (net/core/dev.c:13195 (discriminator 3))
[   45.599338][  T490]  ? netdev_notice (net/core/dev.c:13194)
[   45.599343][  T490]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[   45.599348][  T490]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554)
[   45.599352][  T490]  ? mark_held_locks (kernel/locking/lockdep.c:4341)
[   45.599359][  T490]  ? do_setlink.isra.0 (net/core/rtnetlink.c:3246)
[   45.599362][  T490]  netif_change_name.cold (net/core/dev.c:1507 (discriminator 3))
[   45.599367][  T490]  ? is_bpf_text_address (./include/linux/rcupdate.h:319 (discriminator 2) ./include/linux/rcupdate.h:880 (discriminator 2) kernel/bpf/core.c:751 (discriminator 2))
[   45.599377][  T490]  ? netdev_adjacent_rename_links (net/core/dev.c:9598)
[   45.599381][  T490]  ? __kernel_text_address (kernel/extable.c:79)
[   45.599386][  T490]  ? write_profile (profile.c:?)
[   45.599392][  T490]  ? __asan_memset (mm/kasan/shadow.c:84 (discriminator 1))
[   45.599400][  T490]  do_setlink.isra.0 (net/core/rtnetlink.c:3246)
[   45.599408][  T490]  ? stack_trace_save (kernel/stacktrace.c:122 (discriminator 1))
[   45.599412][  T490]  ? rtnl_link_get_size (net/core/rtnetlink.c:747)
[   45.599415][  T490]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:388 kernel/rcu/update.c:380)
[   45.599418][  T490]  ? stack_depot_save_flags (lib/stackdepot.c:609 (discriminator 2) lib/stackdepot.c:676 (discriminator 2))
[   45.599423][  T490]  ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4116 (discriminator 3) kernel/rcu/tree.c:4108 (discriminator 3))
[   45.599426][  T490]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380)
[   45.599429][  T490]  ? validate_chain (kernel/locking/lockdep.c:3817 (discriminator 2) kernel/locking/lockdep.c:3837 (discriminator 2) kernel/locking/lockdep.c:3892 (discriminator 2))
[   45.599434][  T490]  ? kasan_save_stack (mm/kasan/common.c:58)
[   45.599438][  T490]  ? kasan_save_stack (mm/kasan/common.c:57)
[   45.599441][  T490]  ? kasan_save_track (mm/kasan/common.c:78)
[   45.599446][  T490]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   45.599449][  T490]  ? netlink_update_listeners (net/netlink/af_netlink.c:532)
[   45.599453][  T490]  ? ___sys_sendmsg (net/socket.c:2744 net/socket.c:2763)
[   45.599461][  T490]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2))
[   45.599464][  T490]  ? rtnl_newlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:366 net/core/rtnetlink.c:4214)
[   45.599469][  T490]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   45.599473][  T490]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   45.599475][  T490]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   45.599477][  T490]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   45.599480][  T490]  ? trace_contention_end (./include/trace/events/lock.h:121 (discriminator 22))
[   45.599485][  T490]  ? __mutex_lock (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:3188 kernel/locking/mutex.c:89 kernel/locking/mutex.c:134 kernel/locking/mutex.c:649 kernel/locking/mutex.c:821)
[   45.599489][  T490]  ? __mutex_lock (kernel/locking/mutex.c:656 (discriminator 1) kernel/locking/mutex.c:821 (discriminator 1))
[   45.599493][  T490]  ? rtnl_newlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:366 net/core/rtnetlink.c:4214)
[   45.599500][  T490]  ? ww_mutex_lock (kernel/locking/mutex.c:934)
[   45.599503][  T490]  ? nla_get_range_signed (lib/nlattr.c:270)
[   45.599513][  T490]  ? __rtnl_newlink (net/core/rtnetlink.c:4063)
[   45.599524][  T490]  rtnl_newlink (net/core/rtnetlink.c:4215)
[   45.599534][  T490]  ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558)
[   45.599538][  T490]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   45.599546][  T490]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2))
[   45.599550][  T490]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[   45.599553][  T490]  ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558)
[   45.599557][  T490]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554)
[   45.599564][  T490]  ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558)
[   45.599567][  T490]  rtnetlink_rcv_msg (net/core/rtnetlink.c:7132)
[   45.599573][  T490]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   45.599575][  T490]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   45.599584][  T490]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2))
[   45.599587][  T490]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[   45.599594][  T490]  netlink_rcv_skb (net/netlink/af_netlink.c:2556)
[   45.599597][  T490]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   45.599602][  T490]  ? netlink_ack (./include/linux/skbuff.h:2718)
[   45.599614][  T490]  ? netlink_deliver_tap (./include/linux/rcupdate.h:319 (discriminator 2) ./include/linux/rcupdate.h:880 (discriminator 2) ./include/net/netns/generic.h:48 (discriminator 2) net/netlink/af_netlink.c:334 (discriminator 2))
[   45.599616][  T490]  ? netlink_deliver_tap (./include/linux/rcupdate.h:319 (discriminator 2) ./include/linux/rcupdate.h:880 (discriminator 2) net/netlink/af_netlink.c:341 (discriminator 2))
[   45.599625][  T490]  netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[   45.599632][  T490]  ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[   45.599637][  T490]  ? __lock_acquire (kernel/locking/lockdep.c:5251 (discriminator 3))
[   45.599644][  T490]  netlink_sendmsg (net/netlink/af_netlink.c:1900)
[   45.599651][  T490]  ? netlink_unicast (./include/net/net_namespace.h:422 (discriminator 7))
[   45.599654][  T490]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554)
[   45.599659][  T490]  ? __might_fault (mm/memory.c:7482 (discriminator 5))
[   45.599664][  T490]  ? __might_fault (mm/memory.c:7482 (discriminator 5))
[   45.599672][  T490]  ____sys_sendmsg (net/socket.c:800 (discriminator 4) net/socket.c:815 (discriminator 4) net/socket.c:2713 (discriminator 4))
[   45.599676][  T490]  ? copy_msghdr_from_user (net/socket.c:2650)
[   45.599679][  T490]  ? get_timestamp.constprop.0 (./include/linux/netdevice.h:5399)
[   45.599682][  T490]  ? move_addr_to_kernel (./include/linux/audit.h:354 (discriminator 1))
[   45.599696][  T490]  ___sys_sendmsg (net/socket.c:2767)
[   45.599701][  T490]  ? copy_msghdr_from_user (net/socket.c:2619)
[   45.599735][  T490]  __sys_sendmsg (net/socket.c:2799)
[   45.599740][  T490]  ? __sys_sendmsg_sock (net/socket.c:2780)
[   45.599752][  T490]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   45.599757][  T490]  do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84)
[   45.599761][  T490]  ? exc_page_fault (arch/x86/mm/fault.c:1489 (discriminator 3) arch/x86/mm/fault.c:1536 (discriminator 3))
[   45.599766][  T490]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[   45.599769][  T490] RIP: 0033:0x7fb2fc55b54e
[   45.599774][  T490] Code: 4d 89 d8 e8 b4 bd 00 00 4c 8b 5d f8 41 8b 93 08 03 00 00 59 5e 48 83 f8 fc 74 11 c9 c3 0f 1f 80 00 00 00 00 48 8b 45 10 0f 05 <c9> c3 83 e2 39 83 fa 08 75 e7 e8 03 ff ff ff 0f 1f 00 f3 0f 1e fa
All code
========
   0:	4d 89 d8             	mov    %r11,%r8
   3:	e8 b4 bd 00 00       	call   0xbdbc
   8:	4c 8b 5d f8          	mov    -0x8(%rbp),%r11
   c:	41 8b 93 08 03 00 00 	mov    0x308(%r11),%edx
  13:	59                   	pop    %rcx
  14:	5e                   	pop    %rsi
  15:	48 83 f8 fc          	cmp    $0xfffffffffffffffc,%rax
  19:	74 11                	je     0x2c
  1b:	c9                   	leave
  1c:	c3                   	ret
  1d:	0f 1f 80 00 00 00 00 	nopl   0x0(%rax)
  24:	48 8b 45 10          	mov    0x10(%rbp),%rax
  28:	0f 05                	syscall
  2a:*	c9                   	leave		<-- trapping instruction
  2b:	c3                   	ret
  2c:	83 e2 39             	and    $0x39,%edx
  2f:	83 fa 08             	cmp    $0x8,%edx
  32:	75 e7                	jne    0x1b
  34:	e8 03 ff ff ff       	call   0xffffffffffffff3c
  39:	0f 1f 00             	nopl   (%rax)
  3c:	f3 0f 1e fa          	endbr64

Code starting with the faulting instruction
===========================================
   0:	c9                   	leave
   1:	c3                   	ret
   2:	83 e2 39             	and    $0x39,%edx
   5:	83 fa 08             	cmp    $0x8,%edx
   8:	75 e7                	jne    0xfffffffffffffff1
   a:	e8 03 ff ff ff       	call   0xffffffffffffff12
   f:	0f 1f 00             	nopl   (%rax)
  12:	f3 0f 1e fa          	endbr64
[   45.599777][  T490] RSP: 002b:00007ffcf06426e0 EFLAGS: 00000202 ORIG_RAX: 000000000000002e
[   45.599781][  T490] RAX: ffffffffffffffda RBX: 0000000000000003 RCX: 00007fb2fc55b54e
[   45.599783][  T490] RDX: 0000000000000000 RSI: 00007ffcf0642790 RDI: 0000000000000005
[   45.599785][  T490] RBP: 00007ffcf06426f0 R08: 0000000000000000 R09: 0000000000000000
[   45.599786][  T490] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a90d7b0
[   45.599787][  T490] R13: 00000000004a1620 R14: 0000000000000000 R15: 00007ffcf0642e60
| [   46.776708][  T495] softirqs last disabled at (33372): netif_change_name (./include/linux/spinlock.h:353 ./include/linux/seqlock.h:908 net/core/dev.c:1499)
| [   46.776715][  T495] Preemption disabled at:
| [   46.776717][  T495] vprintk_emit (kernel/printk/printk.c:2471)
| [   46.776734][  T495] Tainted: [W]=WARN
[   46.776735][  T495] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   46.776738][  T495] Call Trace:
[   46.776740][  T495]  <TASK>
[   46.776742][  T495]  dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120)
[   46.776750][  T495]  ? vprintk_emit (kernel/printk/printk.c:2471)
[   46.776753][  T495]  __might_resched.cold (kernel/sched/core.c:9234)
[   46.776759][  T495]  ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3))
[   46.776764][  T495]  ? __kmalloc_noprof (./include/linux/sched/mm.h:317 mm/slub.c:4636 mm/slub.c:4974 mm/slub.c:5413 mm/slub.c:5439)
[   46.776772][  T495]  __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))
[   46.776776][  T495]  ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[   46.776786][  T495]  ? 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)
[   46.776790][  T495]  alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[   46.776796][  T495]  put_chars (drivers/char/virtio_console.c:1176)
[   46.776800][  T495]  ? __send_to_port (drivers/char/virtio_console.c:654)
[   46.776806][  T495]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380)
[   46.776811][  T495]  ? validate_chain (kernel/locking/lockdep.c:3817 (discriminator 2) kernel/locking/lockdep.c:3837 (discriminator 2) kernel/locking/lockdep.c:3892 (discriminator 2))
[   46.776819][  T495]  hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2))
[   46.776824][  T495]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   46.776827][  T495]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   46.776835][  T495]  ? hvc_write (drivers/tty/hvc/hvc_console.c:501)
[   46.776841][  T495]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   46.776845][  T495]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   46.776852][  T495]  console_emit_next_record (kernel/printk/printk.c:3183)
[   46.776859][  T495]  ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20)
[   46.776861][  T495]  ? 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))
[   46.776866][  T495]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   46.776869][  T495]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   46.776876][  T495]  console_flush_one_record (kernel/printk/printk.c:3268)
[   46.776883][  T495]  ? console_emit_next_record (kernel/printk/printk.c:3150)
[   46.776886][  T495]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   46.776896][  T495]  console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420)
[   46.776900][  T495]  ? console_flush_one_record (kernel/printk/printk.c:3316)
[   46.776903][  T495]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   46.776906][  T495]  ? lock_acquire (kernel/locking/lockdep.c:5913)
[   46.776913][  T495]  ? __down_trylock_console_sem (kernel/printk/printk.c:334)
[   46.776915][  T495]  ? vprintk_emit (kernel/printk/printk.c:2478)
[   46.776921][  T495]  vprintk_emit (kernel/printk/printk.c:2479)
[   46.776926][  T495]  ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126))
[   46.776930][  T495]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   46.776933][  T495]  ? save_trace (kernel/locking/lockdep.c:154 (discriminator 6) kernel/locking/lockdep.c:150 (discriminator 6) kernel/locking/lockdep.c:202 (discriminator 6) kernel/locking/lockdep.c:577 (discriminator 6))
[   46.776936][  T495]  ? find_held_lock (kernel/locking/lockdep.c:5360)
[   46.776943][  T495]  _printk (kernel/printk/printk.c:2504)
[   46.776948][  T495]  ? snapshot_read.cold (user.c:?)
[   46.776950][  T495]  ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4116 (discriminator 3) kernel/rcu/tree.c:4108 (discriminator 3))
[   46.776955][  T495]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380)
[   46.776958][  T495]  ? validate_chain (kernel/locking/lockdep.c:3817 (discriminator 2) kernel/locking/lockdep.c:3837 (discriminator 2) kernel/locking/lockdep.c:3892 (discriminator 2))
[   46.776962][  T495]  ? netdev_name (./include/linux/netdevice.h:5709 (discriminator 1))
[   46.776967][  T495]  ? __netdev_printk (net/core/dev.c:13148 (discriminator 2))
[   46.776971][  T495]  ? do_setlink.isra.0 (net/core/rtnetlink.c:3246)
[   46.776975][  T495]  netdev_info (net/core/dev.c:13195 (discriminator 3))
[   46.776980][  T495]  ? netdev_notice (net/core/dev.c:13194)
[   46.776984][  T495]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[   46.776989][  T495]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554)
[   46.776994][  T495]  ? mark_held_locks (kernel/locking/lockdep.c:4341)
[   46.776999][  T495]  ? do_setlink.isra.0 (net/core/rtnetlink.c:3246)
[   46.777003][  T495]  netif_change_name.cold (net/core/dev.c:1507 (discriminator 3))
[   46.777007][  T495]  ? 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))
[   46.777016][  T495]  ? netdev_adjacent_rename_links (net/core/dev.c:9598)
[   46.777020][  T495]  ? __kernel_text_address (kernel/extable.c:79)
[   46.777024][  T495]  ? write_profile (profile.c:?)
[   46.777030][  T495]  ? __asan_memset (mm/kasan/shadow.c:84 (discriminator 1))
[   46.777039][  T495]  do_setlink.isra.0 (net/core/rtnetlink.c:3246)
[   46.777046][  T495]  ? stack_trace_save (kernel/stacktrace.c:122 (discriminator 1))
[   46.777050][  T495]  ? rtnl_link_get_size (net/core/rtnetlink.c:747)
[   46.777052][  T495]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:388 kernel/rcu/update.c:380)
[   46.777055][  T495]  ? stack_depot_save_flags (lib/stackdepot.c:609 (discriminator 2) lib/stackdepot.c:676 (discriminator 2))
[   46.777059][  T495]  ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4116 (discriminator 3) kernel/rcu/tree.c:4108 (discriminator 3))
[   46.777063][  T495]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380)
[   46.777066][  T495]  ? validate_chain (kernel/locking/lockdep.c:3817 (discriminator 2) kernel/locking/lockdep.c:3837 (discriminator 2) kernel/locking/lockdep.c:3892 (discriminator 2))
[   46.777071][  T495]  ? kasan_save_stack (mm/kasan/common.c:58)
[   46.777074][  T495]  ? kasan_save_stack (mm/kasan/common.c:57)
[   46.777077][  T495]  ? kasan_save_track (mm/kasan/common.c:78)
[   46.777082][  T495]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   46.777085][  T495]  ? netlink_update_listeners (net/netlink/af_netlink.c:532)
[   46.777089][  T495]  ? ___sys_sendmsg (net/socket.c:2744 net/socket.c:2763)
[   46.777096][  T495]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2))
[   46.777100][  T495]  ? rtnl_newlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:366 net/core/rtnetlink.c:4214)
[   46.777104][  T495]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   46.777107][  T495]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   46.777110][  T495]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   46.777112][  T495]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   46.777115][  T495]  ? trace_contention_end (./include/trace/events/lock.h:121 (discriminator 22))
[   46.777119][  T495]  ? __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)
[   46.777123][  T495]  ? __mutex_lock (kernel/locking/mutex.c:656 (discriminator 1) kernel/locking/mutex.c:821 (discriminator 1))
[   46.777127][  T495]  ? rtnl_newlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:366 net/core/rtnetlink.c:4214)
[   46.777133][  T495]  ? ww_mutex_lock (kernel/locking/mutex.c:934)
[   46.777136][  T495]  ? nla_get_range_signed (lib/nlattr.c:270)
[   46.777145][  T495]  ? __rtnl_newlink (net/core/rtnetlink.c:4063)
[   46.777154][  T495]  rtnl_newlink (net/core/rtnetlink.c:4215)
[   46.777163][  T495]  ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558)
[   46.777167][  T495]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   46.777174][  T495]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2))
[   46.777177][  T495]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[   46.777181][  T495]  ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558)
[   46.777183][  T495]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554)
[   46.777190][  T495]  ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558)
[   46.777193][  T495]  rtnetlink_rcv_msg (net/core/rtnetlink.c:7132)
[   46.777198][  T495]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   46.777201][  T495]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   46.777208][  T495]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2))
[   46.777211][  T495]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[   46.777218][  T495]  netlink_rcv_skb (net/netlink/af_netlink.c:2556)
[   46.777220][  T495]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   46.777225][  T495]  ? netlink_ack (./include/linux/skbuff.h:2718)
[   46.777236][  T495]  ? 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))
[   46.777238][  T495]  ? 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))
[   46.777247][  T495]  netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[   46.777253][  T495]  ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[   46.777258][  T495]  ? __lock_acquire (kernel/locking/lockdep.c:5251 (discriminator 3))
[   46.777264][  T495]  netlink_sendmsg (net/netlink/af_netlink.c:1900)
[   46.777270][  T495]  ? netlink_unicast (./include/net/net_namespace.h:422 (discriminator 7))
[   46.777272][  T495]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554)
[   46.777277][  T495]  ? __might_fault (mm/memory.c:7482 (discriminator 5))
[   46.777282][  T495]  ? __might_fault (mm/memory.c:7482 (discriminator 5))
[   46.777289][  T495]  ____sys_sendmsg (net/socket.c:800 (discriminator 4) net/socket.c:815 (discriminator 4) net/socket.c:2713 (discriminator 4))
[   46.777293][  T495]  ? copy_msghdr_from_user (net/socket.c:2650)
[   46.777296][  T495]  ? get_timestamp.constprop.0 (./include/linux/netdevice.h:5399)
[   46.777298][  T495]  ? move_addr_to_kernel (./include/linux/audit.h:354 (discriminator 1))
[   46.777313][  T495]  ___sys_sendmsg (net/socket.c:2767)
[   46.777318][  T495]  ? copy_msghdr_from_user (net/socket.c:2619)
[   46.777349][  T495]  __sys_sendmsg (net/socket.c:2799)
[   46.777354][  T495]  ? __sys_sendmsg_sock (net/socket.c:2780)
[   46.777365][  T495]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   46.777370][  T495]  do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84)
[   46.777374][  T495]  ? exc_page_fault (arch/x86/mm/fault.c:1489 (discriminator 3) arch/x86/mm/fault.c:1536 (discriminator 3))
[   46.777378][  T495]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[   46.777382][  T495] RIP: 0033:0x7f2726a3254e
[   46.777387][  T495] 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
[   46.777390][  T495] RSP: 002b:00007ffe89d7bac0 EFLAGS: 00000202 ORIG_RAX: 000000000000002e
[   46.777393][  T495] RAX: ffffffffffffffda RBX: 0000000000000003 RCX: 00007f2726a3254e
[   46.777395][  T495] RDX: 0000000000000000 RSI: 00007ffe89d7bb70 RDI: 0000000000000005
[   46.777397][  T495] RBP: 00007ffe89d7bad0 R08: 0000000000000000 R09: 0000000000000000
[   46.777398][  T495] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a90d7b2
[   46.777400][  T495] R13: 00000000004a1620 R14: 0000000000000000 R15: 00007ffe89d7c240
| [   47.778949][  T503] softirqs last disabled at (23922): netif_change_name (./include/linux/spinlock.h:353 ./include/linux/seqlock.h:908 net/core/dev.c:1499)
| [   47.778952][  T503] Preemption disabled at:
| [   47.778953][  T503] vprintk_emit (kernel/printk/printk.c:2471)
| [   47.778961][  T503] Tainted: [W]=WARN
[   47.778962][  T503] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   47.778964][  T503] Call Trace:
[   47.778966][  T503]  <TASK>
[   47.778967][  T503]  dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120)
[   47.778972][  T503]  ? vprintk_emit (kernel/printk/printk.c:2471)
[   47.778974][  T503]  __might_resched.cold (kernel/sched/core.c:9234)
[   47.778979][  T503]  ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3))
[   47.778982][  T503]  ? __kmalloc_noprof (./include/linux/sched/mm.h:317 mm/slub.c:4636 mm/slub.c:4974 mm/slub.c:5413 mm/slub.c:5439)
[   47.778988][  T503]  __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))
[   47.778990][  T503]  ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[   47.778997][  T503]  ? 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)
[   47.779000][  T503]  alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[   47.779003][  T503]  put_chars (drivers/char/virtio_console.c:1176)
[   47.779006][  T503]  ? __send_to_port (drivers/char/virtio_console.c:654)
[   47.779010][  T503]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380)
[   47.779014][  T503]  ? validate_chain (kernel/locking/lockdep.c:3817 (discriminator 2) kernel/locking/lockdep.c:3837 (discriminator 2) kernel/locking/lockdep.c:3892 (discriminator 2))
[   47.779018][  T503]  hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2))
[   47.779022][  T503]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   47.779024][  T503]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   47.779029][  T503]  ? hvc_write (drivers/tty/hvc/hvc_console.c:501)
[   47.779032][  T503]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   47.779035][  T503]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   47.779039][  T503]  console_emit_next_record (kernel/printk/printk.c:3183)
[   47.779043][  T503]  ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20)
[   47.779044][  T503]  ? 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))
[   47.779047][  T503]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   47.779049][  T503]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   47.779053][  T503]  console_flush_one_record (kernel/printk/printk.c:3268)
[   47.779057][  T503]  ? console_emit_next_record (kernel/printk/printk.c:3150)
[   47.779059][  T503]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   47.779064][  T503]  console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420)
[   47.779067][  T503]  ? console_flush_one_record (kernel/printk/printk.c:3316)
[   47.779068][  T503]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   47.779070][  T503]  ? lock_acquire (kernel/locking/lockdep.c:5913)
[   47.779074][  T503]  ? __down_trylock_console_sem (kernel/printk/printk.c:334)
[   47.779076][  T503]  ? vprintk_emit (kernel/printk/printk.c:2478)
[   47.779079][  T503]  vprintk_emit (kernel/printk/printk.c:2479)
[   47.779083][  T503]  ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126))
[   47.779085][  T503]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   47.779087][  T503]  ? save_trace (kernel/locking/lockdep.c:154 (discriminator 6) kernel/locking/lockdep.c:150 (discriminator 6) kernel/locking/lockdep.c:202 (discriminator 6) kernel/locking/lockdep.c:577 (discriminator 6))
[   47.779089][  T503]  ? find_held_lock (kernel/locking/lockdep.c:5360)
[   47.779093][  T503]  _printk (kernel/printk/printk.c:2504)
[   47.779097][  T503]  ? snapshot_read.cold (user.c:?)
[   47.779098][  T503]  ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4116 (discriminator 3) kernel/rcu/tree.c:4108 (discriminator 3))
[   47.779101][  T503]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380)
[   47.779104][  T503]  ? validate_chain (kernel/locking/lockdep.c:3817 (discriminator 2) kernel/locking/lockdep.c:3837 (discriminator 2) kernel/locking/lockdep.c:3892 (discriminator 2))
[   47.779106][  T503]  ? netdev_name (./include/linux/netdevice.h:5709 (discriminator 1))
[   47.779109][  T503]  ? __netdev_printk (net/core/dev.c:13148 (discriminator 2))
[   47.779112][  T503]  ? do_setlink.isra.0 (net/core/rtnetlink.c:3246)
[   47.779114][  T503]  netdev_info (net/core/dev.c:13195 (discriminator 3))
[   47.779117][  T503]  ? netdev_notice (net/core/dev.c:13194)
[   47.779120][  T503]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[   47.779123][  T503]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554)
[   47.779126][  T503]  ? mark_held_locks (kernel/locking/lockdep.c:4341)
[   47.779130][  T503]  ? do_setlink.isra.0 (net/core/rtnetlink.c:3246)
[   47.779132][  T503]  netif_change_name.cold (net/core/dev.c:1507 (discriminator 3))
[   47.779135][  T503]  ? 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))
[   47.779141][  T503]  ? netdev_adjacent_rename_links (net/core/dev.c:9598)
[   47.779144][  T503]  ? __kernel_text_address (kernel/extable.c:79)
[   47.779147][  T503]  ? write_profile (profile.c:?)
[   47.779151][  T503]  ? __asan_memset (mm/kasan/shadow.c:84 (discriminator 1))
[   47.779157][  T503]  do_setlink.isra.0 (net/core/rtnetlink.c:3246)
[   47.779162][  T503]  ? stack_trace_save (kernel/stacktrace.c:122 (discriminator 1))
[   47.779164][  T503]  ? rtnl_link_get_size (net/core/rtnetlink.c:747)
[   47.779165][  T503]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:388 kernel/rcu/update.c:380)
[   47.779167][  T503]  ? stack_depot_save_flags (lib/stackdepot.c:609 (discriminator 2) lib/stackdepot.c:676 (discriminator 2))
[   47.779171][  T503]  ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4116 (discriminator 3) kernel/rcu/tree.c:4108 (discriminator 3))
[   47.779173][  T503]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380)
[   47.779175][  T503]  ? validate_chain (kernel/locking/lockdep.c:3817 (discriminator 2) kernel/locking/lockdep.c:3837 (discriminator 2) kernel/locking/lockdep.c:3892 (discriminator 2))
[   47.779178][  T503]  ? kasan_save_stack (mm/kasan/common.c:58)
[   47.779181][  T503]  ? kasan_save_stack (mm/kasan/common.c:57)
[   47.779183][  T503]  ? kasan_save_track (mm/kasan/common.c:78)
[   47.779186][  T503]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   47.779188][  T503]  ? netlink_update_listeners (net/netlink/af_netlink.c:532)
[   47.779191][  T503]  ? ___sys_sendmsg (net/socket.c:2744 net/socket.c:2763)
[   47.779196][  T503]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2))
[   47.779199][  T503]  ? rtnl_newlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:366 net/core/rtnetlink.c:4214)
[   47.779201][  T503]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   47.779203][  T503]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   47.779205][  T503]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   47.779206][  T503]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   47.779208][  T503]  ? trace_contention_end (./include/trace/events/lock.h:121 (discriminator 22))
[   47.779211][  T503]  ? __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)
[   47.779215][  T503]  ? __mutex_lock (kernel/locking/mutex.c:656 (discriminator 1) kernel/locking/mutex.c:821 (discriminator 1))
[   47.779217][  T503]  ? rtnl_newlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:366 net/core/rtnetlink.c:4214)
[   47.779220][  T503]  ? ww_mutex_lock (kernel/locking/mutex.c:934)
[   47.779222][  T503]  ? nla_get_range_signed (lib/nlattr.c:270)
[   47.779228][  T503]  ? __rtnl_newlink (net/core/rtnetlink.c:4063)
[   47.779234][  T503]  rtnl_newlink (net/core/rtnetlink.c:4215)
[   47.779241][  T503]  ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558)
[   47.779243][  T503]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   47.779248][  T503]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2))
[   47.779250][  T503]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[   47.779252][  T503]  ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558)
[   47.779254][  T503]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554)
[   47.779259][  T503]  ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558)
[   47.779261][  T503]  rtnetlink_rcv_msg (net/core/rtnetlink.c:7132)
[   47.779264][  T503]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   47.779265][  T503]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   47.779270][  T503]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2))
[   47.779272][  T503]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[   47.779276][  T503]  netlink_rcv_skb (net/netlink/af_netlink.c:2556)
[   47.779278][  T503]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   47.779281][  T503]  ? netlink_ack (./include/linux/skbuff.h:2718)
[   47.779287][  T503]  ? 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))
[   47.779288][  T503]  ? 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))
[   47.779293][  T503]  netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[   47.779296][  T503]  ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[   47.779299][  T503]  ? __lock_acquire (kernel/locking/lockdep.c:5251 (discriminator 3))
[   47.779304][  T503]  netlink_sendmsg (net/netlink/af_netlink.c:1900)
[   47.779307][  T503]  ? netlink_unicast (./include/net/net_namespace.h:422 (discriminator 7))
[   47.779309][  T503]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554)
[   47.779312][  T503]  ? __might_fault (mm/memory.c:7482 (discriminator 5))
[   47.779316][  T503]  ? __might_fault (mm/memory.c:7482 (discriminator 5))
[   47.779320][  T503]  ____sys_sendmsg (net/socket.c:800 (discriminator 4) net/socket.c:815 (discriminator 4) net/socket.c:2713 (discriminator 4))
[   47.779322][  T503]  ? copy_msghdr_from_user (net/socket.c:2650)
[   47.779325][  T503]  ? get_timestamp.constprop.0 (./include/linux/netdevice.h:5399)
[   47.779326][  T503]  ? move_addr_to_kernel (./include/linux/audit.h:354 (discriminator 1))
[   47.779334][  T503]  ___sys_sendmsg (net/socket.c:2767)
[   47.779337][  T503]  ? copy_msghdr_from_user (net/socket.c:2619)
[   47.779353][  T503]  __sys_sendmsg (net/socket.c:2799)
[   47.779357][  T503]  ? __sys_sendmsg_sock (net/socket.c:2780)
[   47.779363][  T503]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   47.779366][  T503]  do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84)
[   47.779369][  T503]  ? exc_page_fault (arch/x86/mm/fault.c:1489 (discriminator 3) arch/x86/mm/fault.c:1536 (discriminator 3))
[   47.779373][  T503]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[   47.779375][  T503] RIP: 0033:0x7f1aec18454e
[   47.779379][  T503] 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
[   47.779381][  T503] RSP: 002b:00007ffced42e1f0 EFLAGS: 00000202 ORIG_RAX: 000000000000002e
[   47.779383][  T503] RAX: ffffffffffffffda RBX: 0000000000000003 RCX: 00007f1aec18454e
[   47.779385][  T503] RDX: 0000000000000000 RSI: 00007ffced42e2a0 RDI: 0000000000000005
[   47.779386][  T503] RBP: 00007ffced42e200 R08: 0000000000000000 R09: 0000000000000000
[   47.779387][  T503] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a90d7b3
[   47.779387][  T503] R13: 00000000004a1620 R14: 0000000000000000 R15: 00007ffced42e970
| [   48.839148][  T512] softirqs last disabled at (14904): netif_change_name (./include/linux/spinlock.h:353 ./include/linux/seqlock.h:908 net/core/dev.c:1499)
| [   48.839151][  T512] Preemption disabled at:
| [   48.839151][  T512] vprintk_emit (kernel/printk/printk.c:2471)
| [   48.839160][  T512] Tainted: [W]=WARN
[   48.839161][  T512] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   48.839163][  T512] Call Trace:
[   48.839165][  T512]  <TASK>
[   48.839166][  T512]  dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120)
[   48.839171][  T512]  ? vprintk_emit (kernel/printk/printk.c:2471)
[   48.839173][  T512]  __might_resched.cold (kernel/sched/core.c:9234)
[   48.839178][  T512]  ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3))
[   48.839181][  T512]  ? __kmalloc_noprof (./include/linux/sched/mm.h:317 mm/slub.c:4636 mm/slub.c:4974 mm/slub.c:5413 mm/slub.c:5439)
[   48.839186][  T512]  __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))
[   48.839189][  T512]  ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[   48.839195][  T512]  ? 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)
[   48.839198][  T512]  alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[   48.839201][  T512]  put_chars (drivers/char/virtio_console.c:1176)
[   48.839204][  T512]  ? __send_to_port (drivers/char/virtio_console.c:654)
[   48.839208][  T512]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380)
[   48.839212][  T512]  ? validate_chain (kernel/locking/lockdep.c:3817 (discriminator 2) kernel/locking/lockdep.c:3837 (discriminator 2) kernel/locking/lockdep.c:3892 (discriminator 2))
[   48.839217][  T512]  hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2))
[   48.839221][  T512]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   48.839222][  T512]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   48.839227][  T512]  ? hvc_write (drivers/tty/hvc/hvc_console.c:501)
[   48.839231][  T512]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   48.839234][  T512]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   48.839239][  T512]  console_emit_next_record (kernel/printk/printk.c:3183)
[   48.839244][  T512]  ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20)
[   48.839246][  T512]  ? 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))
[   48.839249][  T512]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   48.839251][  T512]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   48.839255][  T512]  console_flush_one_record (kernel/printk/printk.c:3268)
[   48.839259][  T512]  ? console_emit_next_record (kernel/printk/printk.c:3150)
[   48.839261][  T512]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   48.839266][  T512]  console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420)
[   48.839269][  T512]  ? console_flush_one_record (kernel/printk/printk.c:3316)
[   48.839270][  T512]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   48.839272][  T512]  ? lock_acquire (kernel/locking/lockdep.c:5913)
[   48.839276][  T512]  ? __down_trylock_console_sem (kernel/printk/printk.c:334)
[   48.839278][  T512]  ? vprintk_emit (kernel/printk/printk.c:2478)
[   48.839281][  T512]  vprintk_emit (kernel/printk/printk.c:2479)
[   48.839285][  T512]  ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126))
[   48.839287][  T512]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   48.839289][  T512]  ? save_trace (kernel/locking/lockdep.c:154 (discriminator 6) kernel/locking/lockdep.c:150 (discriminator 6) kernel/locking/lockdep.c:202 (discriminator 6) kernel/locking/lockdep.c:577 (discriminator 6))
[   48.839291][  T512]  ? find_held_lock (kernel/locking/lockdep.c:5360)
[   48.839295][  T512]  _printk (kernel/printk/printk.c:2504)
[   48.839299][  T512]  ? snapshot_read.cold (user.c:?)
[   48.839301][  T512]  ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4116 (discriminator 3) kernel/rcu/tree.c:4108 (discriminator 3))
[   48.839304][  T512]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380)
[   48.839306][  T512]  ? validate_chain (kernel/locking/lockdep.c:3817 (discriminator 2) kernel/locking/lockdep.c:3837 (discriminator 2) kernel/locking/lockdep.c:3892 (discriminator 2))
[   48.839308][  T512]  ? netdev_name (./include/linux/netdevice.h:5709 (discriminator 1))
[   48.839312][  T512]  ? __netdev_printk (net/core/dev.c:13148 (discriminator 2))
[   48.839315][  T512]  ? do_setlink.isra.0 (net/core/rtnetlink.c:3246)
[   48.839317][  T512]  netdev_info (net/core/dev.c:13195 (discriminator 3))
[   48.839320][  T512]  ? netdev_notice (net/core/dev.c:13194)
[   48.839323][  T512]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[   48.839326][  T512]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554)
[   48.839328][  T512]  ? mark_held_locks (kernel/locking/lockdep.c:4341)
[   48.839332][  T512]  ? do_setlink.isra.0 (net/core/rtnetlink.c:3246)
[   48.839334][  T512]  netif_change_name.cold (net/core/dev.c:1507 (discriminator 3))
[   48.839338][  T512]  ? 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))
[   48.839344][  T512]  ? netdev_adjacent_rename_links (net/core/dev.c:9598)
[   48.839347][  T512]  ? __kernel_text_address (kernel/extable.c:79)
[   48.839350][  T512]  ? write_profile (profile.c:?)
[   48.839354][  T512]  ? __asan_memset (mm/kasan/shadow.c:84 (discriminator 1))
[   48.839360][  T512]  do_setlink.isra.0 (net/core/rtnetlink.c:3246)
[   48.839365][  T512]  ? stack_trace_save (kernel/stacktrace.c:122 (discriminator 1))
[   48.839367][  T512]  ? rtnl_link_get_size (net/core/rtnetlink.c:747)
[   48.839368][  T512]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:388 kernel/rcu/update.c:380)
[   48.839370][  T512]  ? stack_depot_save_flags (lib/stackdepot.c:609 (discriminator 2) lib/stackdepot.c:676 (discriminator 2))
[   48.839374][  T512]  ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4116 (discriminator 3) kernel/rcu/tree.c:4108 (discriminator 3))
[   48.839377][  T512]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380)
[   48.839379][  T512]  ? validate_chain (kernel/locking/lockdep.c:3817 (discriminator 2) kernel/locking/lockdep.c:3837 (discriminator 2) kernel/locking/lockdep.c:3892 (discriminator 2))
[   48.839381][  T512]  ? kasan_save_stack (mm/kasan/common.c:58)
[   48.839384][  T512]  ? kasan_save_stack (mm/kasan/common.c:57)
[   48.839386][  T512]  ? kasan_save_track (mm/kasan/common.c:78)
[   48.839389][  T512]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   48.839391][  T512]  ? netlink_update_listeners (net/netlink/af_netlink.c:532)
[   48.839394][  T512]  ? ___sys_sendmsg (net/socket.c:2744 net/socket.c:2763)
[   48.839400][  T512]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2))
[   48.839402][  T512]  ? rtnl_newlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:366 net/core/rtnetlink.c:4214)
[   48.839405][  T512]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   48.839407][  T512]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   48.839409][  T512]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   48.839410][  T512]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   48.839412][  T512]  ? trace_contention_end (./include/trace/events/lock.h:121 (discriminator 22))
[   48.839415][  T512]  ? __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)
[   48.839418][  T512]  ? __mutex_lock (kernel/locking/mutex.c:656 (discriminator 1) kernel/locking/mutex.c:821 (discriminator 1))
[   48.839421][  T512]  ? rtnl_newlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:366 net/core/rtnetlink.c:4214)
[   48.839424][  T512]  ? ww_mutex_lock (kernel/locking/mutex.c:934)
[   48.839426][  T512]  ? nla_get_range_signed (lib/nlattr.c:270)
[   48.839432][  T512]  ? __rtnl_newlink (net/core/rtnetlink.c:4063)
[   48.839437][  T512]  rtnl_newlink (net/core/rtnetlink.c:4215)
[   48.839443][  T512]  ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558)
[   48.839445][  T512]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   48.839450][  T512]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2))
[   48.839452][  T512]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[   48.839454][  T512]  ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558)
[   48.839456][  T512]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554)
[   48.839460][  T512]  ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558)
[   48.839462][  T512]  rtnetlink_rcv_msg (net/core/rtnetlink.c:7132)
[   48.839465][  T512]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   48.839466][  T512]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   48.839471][  T512]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2))
[   48.839473][  T512]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[   48.839477][  T512]  netlink_rcv_skb (net/netlink/af_netlink.c:2556)
[   48.839479][  T512]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   48.839482][  T512]  ? netlink_ack (./include/linux/skbuff.h:2718)
[   48.839488][  T512]  ? 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))
[   48.839490][  T512]  ? 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))
[   48.839494][  T512]  netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[   48.839498][  T512]  ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[   48.839501][  T512]  ? __lock_acquire (kernel/locking/lockdep.c:5251 (discriminator 3))
[   48.839505][  T512]  netlink_sendmsg (net/netlink/af_netlink.c:1900)
[   48.839509][  T512]  ? netlink_unicast (./include/net/net_namespace.h:422 (discriminator 7))
[   48.839511][  T512]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554)
[   48.839514][  T512]  ? __might_fault (mm/memory.c:7482 (discriminator 5))
[   48.839517][  T512]  ? __might_fault (mm/memory.c:7482 (discriminator 5))
[   48.839522][  T512]  ____sys_sendmsg (net/socket.c:800 (discriminator 4) net/socket.c:815 (discriminator 4) net/socket.c:2713 (discriminator 4))
[   48.839524][  T512]  ? copy_msghdr_from_user (net/socket.c:2650)
[   48.839526][  T512]  ? get_timestamp.constprop.0 (./include/linux/netdevice.h:5399)
[   48.839528][  T512]  ? move_addr_to_kernel (./include/linux/audit.h:354 (discriminator 1))
[   48.839536][  T512]  ___sys_sendmsg (net/socket.c:2767)
[   48.839538][  T512]  ? copy_msghdr_from_user (net/socket.c:2619)
[   48.839555][  T512]  __sys_sendmsg (net/socket.c:2799)
[   48.839558][  T512]  ? __sys_sendmsg_sock (net/socket.c:2780)
[   48.839565][  T512]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   48.839568][  T512]  do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84)
[   48.839571][  T512]  ? exc_page_fault (arch/x86/mm/fault.c:1489 (discriminator 3) arch/x86/mm/fault.c:1536 (discriminator 3))
[   48.839574][  T512]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[   48.839577][  T512] RIP: 0033:0x7f4f9cb3354e
[   48.839581][  T512] 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
[   48.839583][  T512] RSP: 002b:00007ffe8e715030 EFLAGS: 00000202 ORIG_RAX: 000000000000002e
[   48.839586][  T512] RAX: ffffffffffffffda RBX: 0000000000000003 RCX: 00007f4f9cb3354e
[   48.839588][  T512] RDX: 0000000000000000 RSI: 00007ffe8e7150e0 RDI: 0000000000000005
[   48.839588][  T512] RBP: 00007ffe8e715040 R08: 0000000000000000 R09: 0000000000000000
[   48.839589][  T512] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a90d7b4
[   48.839590][  T512] R13: 00000000004a1620 R14: 0000000000000000 R15: 00007ffe8e7157b0
| [   49.935042][  T521] softirqs last disabled at (13834): netif_change_name (./include/linux/spinlock.h:353 ./include/linux/seqlock.h:908 net/core/dev.c:1499)
| [   49.935044][  T521] Preemption disabled at:
| [   49.935045][  T521] vprintk_emit (kernel/printk/printk.c:2471)
| [   49.935054][  T521] Tainted: [W]=WARN
[   49.935055][  T521] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   49.935056][  T521] Call Trace:
[   49.935058][  T521]  <TASK>
[   49.935060][  T521]  dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120)
[   49.935065][  T521]  ? vprintk_emit (kernel/printk/printk.c:2471)
[   49.935067][  T521]  __might_resched.cold (kernel/sched/core.c:9234)
[   49.935071][  T521]  ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3))
[   49.935075][  T521]  ? __kmalloc_noprof (./include/linux/sched/mm.h:317 mm/slub.c:4636 mm/slub.c:4974 mm/slub.c:5413 mm/slub.c:5439)
[   49.935080][  T521]  __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))
[   49.935083][  T521]  ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[   49.935089][  T521]  ? 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)
[   49.935092][  T521]  alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[   49.935096][  T521]  put_chars (drivers/char/virtio_console.c:1176)
[   49.935099][  T521]  ? __send_to_port (drivers/char/virtio_console.c:654)
[   49.935103][  T521]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380)
[   49.935106][  T521]  ? validate_chain (kernel/locking/lockdep.c:3817 (discriminator 2) kernel/locking/lockdep.c:3837 (discriminator 2) kernel/locking/lockdep.c:3892 (discriminator 2))
[   49.935111][  T521]  hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2))
[   49.935114][  T521]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   49.935116][  T521]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   49.935121][  T521]  ? hvc_write (drivers/tty/hvc/hvc_console.c:501)
[   49.935125][  T521]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   49.935127][  T521]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   49.935132][  T521]  console_emit_next_record (kernel/printk/printk.c:3183)
[   49.935135][  T521]  ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20)
[   49.935137][  T521]  ? 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))
[   49.935140][  T521]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   49.935141][  T521]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   49.935146][  T521]  console_flush_one_record (kernel/printk/printk.c:3268)
[   49.935150][  T521]  ? console_emit_next_record (kernel/printk/printk.c:3150)
[   49.935151][  T521]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   49.935157][  T521]  console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420)
[   49.935159][  T521]  ? console_flush_one_record (kernel/printk/printk.c:3316)
[   49.935160][  T521]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   49.935162][  T521]  ? lock_acquire (kernel/locking/lockdep.c:5913)
[   49.935166][  T521]  ? __down_trylock_console_sem (kernel/printk/printk.c:334)
[   49.935168][  T521]  ? vprintk_emit (kernel/printk/printk.c:2478)
[   49.935171][  T521]  vprintk_emit (kernel/printk/printk.c:2479)
[   49.935175][  T521]  ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126))
[   49.935177][  T521]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   49.935179][  T521]  ? save_trace (kernel/locking/lockdep.c:154 (discriminator 6) kernel/locking/lockdep.c:150 (discriminator 6) kernel/locking/lockdep.c:202 (discriminator 6) kernel/locking/lockdep.c:577 (discriminator 6))
[   49.935181][  T521]  ? find_held_lock (kernel/locking/lockdep.c:5360)
[   49.935185][  T521]  _printk (kernel/printk/printk.c:2504)
[   49.935188][  T521]  ? snapshot_read.cold (user.c:?)
[   49.935190][  T521]  ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4116 (discriminator 3) kernel/rcu/tree.c:4108 (discriminator 3))
[   49.935193][  T521]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380)
[   49.935195][  T521]  ? validate_chain (kernel/locking/lockdep.c:3817 (discriminator 2) kernel/locking/lockdep.c:3837 (discriminator 2) kernel/locking/lockdep.c:3892 (discriminator 2))
[   49.935198][  T521]  ? netdev_name (./include/linux/netdevice.h:5709 (discriminator 1))
[   49.935201][  T521]  ? __netdev_printk (net/core/dev.c:13148 (discriminator 2))
[   49.935203][  T521]  ? do_setlink.isra.0 (net/core/rtnetlink.c:3246)
[   49.935206][  T521]  netdev_info (net/core/dev.c:13195 (discriminator 3))
[   49.935209][  T521]  ? netdev_notice (net/core/dev.c:13194)
[   49.935211][  T521]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[   49.935214][  T521]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554)
[   49.935217][  T521]  ? mark_held_locks (kernel/locking/lockdep.c:4341)
[   49.935221][  T521]  ? do_setlink.isra.0 (net/core/rtnetlink.c:3246)
[   49.935223][  T521]  netif_change_name.cold (net/core/dev.c:1507 (discriminator 3))
[   49.935227][  T521]  ? 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))
[   49.935233][  T521]  ? netdev_adjacent_rename_links (net/core/dev.c:9598)
[   49.935236][  T521]  ? __kernel_text_address (kernel/extable.c:79)
[   49.935240][  T521]  ? write_profile (profile.c:?)
[   49.935245][  T521]  ? __asan_memset (mm/kasan/shadow.c:84 (discriminator 1))
[   49.935250][  T521]  do_setlink.isra.0 (net/core/rtnetlink.c:3246)
[   49.935255][  T521]  ? stack_trace_save (kernel/stacktrace.c:122 (discriminator 1))
[   49.935257][  T521]  ? rtnl_link_get_size (net/core/rtnetlink.c:747)
[   49.935258][  T521]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:388 kernel/rcu/update.c:380)
[   49.935260][  T521]  ? stack_depot_save_flags (lib/stackdepot.c:609 (discriminator 2) lib/stackdepot.c:676 (discriminator 2))
[   49.935264][  T521]  ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4116 (discriminator 3) kernel/rcu/tree.c:4108 (discriminator 3))
[   49.935266][  T521]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380)
[   49.935268][  T521]  ? validate_chain (kernel/locking/lockdep.c:3817 (discriminator 2) kernel/locking/lockdep.c:3837 (discriminator 2) kernel/locking/lockdep.c:3892 (discriminator 2))
[   49.935271][  T521]  ? kasan_save_stack (mm/kasan/common.c:58)
[   49.935274][  T521]  ? kasan_save_stack (mm/kasan/common.c:57)
[   49.935276][  T521]  ? kasan_save_track (mm/kasan/common.c:78)
[   49.935279][  T521]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   49.935281][  T521]  ? netlink_update_listeners (net/netlink/af_netlink.c:532)
[   49.935284][  T521]  ? ___sys_sendmsg (net/socket.c:2744 net/socket.c:2763)
[   49.935289][  T521]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2))
[   49.935291][  T521]  ? rtnl_newlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:366 net/core/rtnetlink.c:4214)
[   49.935294][  T521]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   49.935296][  T521]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   49.935297][  T521]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   49.935299][  T521]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   49.935301][  T521]  ? trace_contention_end (./include/trace/events/lock.h:121 (discriminator 22))
[   49.935304][  T521]  ? __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)
[   49.935307][  T521]  ? __mutex_lock (kernel/locking/mutex.c:656 (discriminator 1) kernel/locking/mutex.c:821 (discriminator 1))
[   49.935310][  T521]  ? rtnl_newlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:366 net/core/rtnetlink.c:4214)
[   49.935313][  T521]  ? ww_mutex_lock (kernel/locking/mutex.c:934)
[   49.935315][  T521]  ? nla_get_range_signed (lib/nlattr.c:270)
[   49.935321][  T521]  ? __rtnl_newlink (net/core/rtnetlink.c:4063)
[   49.935327][  T521]  rtnl_newlink (net/core/rtnetlink.c:4215)
[   49.935332][  T521]  ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558)
[   49.935334][  T521]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   49.935339][  T521]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2))
[   49.935341][  T521]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[   49.935343][  T521]  ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558)
[   49.935345][  T521]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554)
[   49.935349][  T521]  ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558)
[   49.935351][  T521]  rtnetlink_rcv_msg (net/core/rtnetlink.c:7132)
[   49.935355][  T521]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   49.935356][  T521]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   49.935361][  T521]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2))
[   49.935363][  T521]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[   49.935367][  T521]  netlink_rcv_skb (net/netlink/af_netlink.c:2556)
[   49.935369][  T521]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   49.935372][  T521]  ? netlink_ack (./include/linux/skbuff.h:2718)
[   49.935378][  T521]  ? 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))
[   49.935380][  T521]  ? 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))
[   49.935384][  T521]  netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[   49.935388][  T521]  ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[   49.935391][  T521]  ? __lock_acquire (kernel/locking/lockdep.c:5251 (discriminator 3))
[   49.935395][  T521]  netlink_sendmsg (net/netlink/af_netlink.c:1900)
[   49.935399][  T521]  ? netlink_unicast (./include/net/net_namespace.h:422 (discriminator 7))
[   49.935401][  T521]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554)
[   49.935404][  T521]  ? __might_fault (mm/memory.c:7482 (discriminator 5))
[   49.935407][  T521]  ? __might_fault (mm/memory.c:7482 (discriminator 5))
[   49.935412][  T521]  ____sys_sendmsg (net/socket.c:800 (discriminator 4) net/socket.c:815 (discriminator 4) net/socket.c:2713 (discriminator 4))
[   49.935414][  T521]  ? copy_msghdr_from_user (net/socket.c:2650)
[   49.935416][  T521]  ? get_timestamp.constprop.0 (./include/linux/netdevice.h:5399)
[   49.935418][  T521]  ? move_addr_to_kernel (./include/linux/audit.h:354 (discriminator 1))
[   49.935425][  T521]  ___sys_sendmsg (net/socket.c:2767)
[   49.935428][  T521]  ? copy_msghdr_from_user (net/socket.c:2619)
[   49.935445][  T521]  __sys_sendmsg (net/socket.c:2799)
[   49.935448][  T521]  ? __sys_sendmsg_sock (net/socket.c:2780)
[   49.935454][  T521]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   49.935458][  T521]  do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84)
[   49.935460][  T521]  ? exc_page_fault (arch/x86/mm/fault.c:1489 (discriminator 3) arch/x86/mm/fault.c:1536 (discriminator 3))
[   49.935464][  T521]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[   49.935466][  T521] RIP: 0033:0x7f982a00f54e
[   49.935470][  T521] 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
[   49.935472][  T521] RSP: 002b:00007ffe28ecbbf0 EFLAGS: 00000202 ORIG_RAX: 000000000000002e
[   49.935474][  T521] RAX: ffffffffffffffda RBX: 0000000000000003 RCX: 00007f982a00f54e
[   49.935476][  T521] RDX: 0000000000000000 RSI: 00007ffe28ecbca0 RDI: 0000000000000005
[   49.935477][  T521] RBP: 00007ffe28ecbc00 R08: 0000000000000000 R09: 0000000000000000
[   49.935477][  T521] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a90d7b5
[   49.935478][  T521] R13: 00000000004a1620 R14: 0000000000000000 R15: 00007ffe28ecc370
| [   51.027686][  T531] softirqs last disabled at (15762): netif_change_name (./include/linux/spinlock.h:353 ./include/linux/seqlock.h:908 net/core/dev.c:1499)
| [   51.027688][  T531] Preemption disabled at:
| [   51.027689][  T531] vprintk_emit (kernel/printk/printk.c:2471)
| [   51.027698][  T531] Tainted: [W]=WARN
[   51.027699][  T531] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   51.027701][  T531] Call Trace:
[   51.027703][  T531]  <TASK>
[   51.027704][  T531]  dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120)
[   51.027710][  T531]  ? vprintk_emit (kernel/printk/printk.c:2471)
[   51.027715][  T531]  __might_resched.cold (kernel/sched/core.c:9234)
[   51.027720][  T531]  ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3))
[   51.027723][  T531]  ? __kmalloc_noprof (./include/linux/sched/mm.h:317 mm/slub.c:4636 mm/slub.c:4974 mm/slub.c:5413 mm/slub.c:5439)
[   51.027729][  T531]  __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))
[   51.027731][  T531]  ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[   51.027738][  T531]  ? 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)
[   51.027741][  T531]  alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[   51.027745][  T531]  put_chars (drivers/char/virtio_console.c:1176)
[   51.027748][  T531]  ? __send_to_port (drivers/char/virtio_console.c:654)
[   51.027752][  T531]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380)
[   51.027756][  T531]  ? validate_chain (kernel/locking/lockdep.c:3817 (discriminator 2) kernel/locking/lockdep.c:3837 (discriminator 2) kernel/locking/lockdep.c:3892 (discriminator 2))
[   51.027768][  T531]  hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2))
[   51.027772][  T531]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   51.027774][  T531]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   51.027779][  T531]  ? hvc_write (drivers/tty/hvc/hvc_console.c:501)
[   51.027782][  T531]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   51.027785][  T531]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   51.027789][  T531]  console_emit_next_record (kernel/printk/printk.c:3183)
[   51.027793][  T531]  ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20)
[   51.027794][  T531]  ? 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))
[   51.027797][  T531]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   51.027799][  T531]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   51.027804][  T531]  console_flush_one_record (kernel/printk/printk.c:3268)
[   51.027808][  T531]  ? console_emit_next_record (kernel/printk/printk.c:3150)
[   51.027809][  T531]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   51.027815][  T531]  console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420)
[   51.027817][  T531]  ? console_flush_one_record (kernel/printk/printk.c:3316)
[   51.027819][  T531]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   51.027821][  T531]  ? lock_acquire (kernel/locking/lockdep.c:5913)
[   51.027825][  T531]  ? __down_trylock_console_sem (kernel/printk/printk.c:334)
[   51.027827][  T531]  ? vprintk_emit (kernel/printk/printk.c:2478)
[   51.027830][  T531]  vprintk_emit (kernel/printk/printk.c:2479)
[   51.027834][  T531]  ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126))
[   51.027836][  T531]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   51.027838][  T531]  ? save_trace (kernel/locking/lockdep.c:154 (discriminator 6) kernel/locking/lockdep.c:150 (discriminator 6) kernel/locking/lockdep.c:202 (discriminator 6) kernel/locking/lockdep.c:577 (discriminator 6))
[   51.027840][  T531]  ? find_held_lock (kernel/locking/lockdep.c:5360)
[   51.027844][  T531]  _printk (kernel/printk/printk.c:2504)
[   51.027848][  T531]  ? snapshot_read.cold (user.c:?)
[   51.027850][  T531]  ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4116 (discriminator 3) kernel/rcu/tree.c:4108 (discriminator 3))
[   51.027853][  T531]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380)
[   51.027855][  T531]  ? validate_chain (kernel/locking/lockdep.c:3817 (discriminator 2) kernel/locking/lockdep.c:3837 (discriminator 2) kernel/locking/lockdep.c:3892 (discriminator 2))
[   51.027857][  T531]  ? netdev_name (./include/linux/netdevice.h:5709 (discriminator 1))
[   51.027861][  T531]  ? __netdev_printk (net/core/dev.c:13148 (discriminator 2))
[   51.027864][  T531]  ? do_setlink.isra.0 (net/core/rtnetlink.c:3246)
[   51.027866][  T531]  netdev_info (net/core/dev.c:13195 (discriminator 3))
[   51.027869][  T531]  ? netdev_notice (net/core/dev.c:13194)
[   51.027872][  T531]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[   51.027875][  T531]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554)
[   51.027878][  T531]  ? mark_held_locks (kernel/locking/lockdep.c:4341)
[   51.027882][  T531]  ? do_setlink.isra.0 (net/core/rtnetlink.c:3246)
[   51.027884][  T531]  netif_change_name.cold (net/core/dev.c:1507 (discriminator 3))
[   51.027888][  T531]  ? 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))
[   51.027894][  T531]  ? netdev_adjacent_rename_links (net/core/dev.c:9598)
[   51.027897][  T531]  ? __kernel_text_address (kernel/extable.c:79)
[   51.027900][  T531]  ? write_profile (profile.c:?)
[   51.027904][  T531]  ? __asan_memset (mm/kasan/shadow.c:84 (discriminator 1))
[   51.027909][  T531]  do_setlink.isra.0 (net/core/rtnetlink.c:3246)
[   51.027914][  T531]  ? stack_trace_save (kernel/stacktrace.c:122 (discriminator 1))
[   51.027917][  T531]  ? rtnl_link_get_size (net/core/rtnetlink.c:747)
[   51.027918][  T531]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:388 kernel/rcu/update.c:380)
[   51.027920][  T531]  ? stack_depot_save_flags (lib/stackdepot.c:609 (discriminator 2) lib/stackdepot.c:676 (discriminator 2))
[   51.027924][  T531]  ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4116 (discriminator 3) kernel/rcu/tree.c:4108 (discriminator 3))
[   51.027926][  T531]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380)
[   51.027928][  T531]  ? validate_chain (kernel/locking/lockdep.c:3817 (discriminator 2) kernel/locking/lockdep.c:3837 (discriminator 2) kernel/locking/lockdep.c:3892 (discriminator 2))
[   51.027931][  T531]  ? kasan_save_stack (mm/kasan/common.c:58)
[   51.027934][  T531]  ? kasan_save_stack (mm/kasan/common.c:57)
[   51.027936][  T531]  ? kasan_save_track (mm/kasan/common.c:78)
[   51.027939][  T531]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   51.027941][  T531]  ? netlink_update_listeners (net/netlink/af_netlink.c:532)
[   51.027945][  T531]  ? ___sys_sendmsg (net/socket.c:2744 net/socket.c:2763)
[   51.027950][  T531]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2))
[   51.027952][  T531]  ? rtnl_newlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:366 net/core/rtnetlink.c:4214)
[   51.027955][  T531]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   51.027957][  T531]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   51.027959][  T531]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   51.027960][  T531]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   51.027962][  T531]  ? trace_contention_end (./include/trace/events/lock.h:121 (discriminator 22))
[   51.027965][  T531]  ? __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)
[   51.027969][  T531]  ? __mutex_lock (kernel/locking/mutex.c:656 (discriminator 1) kernel/locking/mutex.c:821 (discriminator 1))
[   51.027971][  T531]  ? rtnl_newlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:366 net/core/rtnetlink.c:4214)
[   51.027974][  T531]  ? ww_mutex_lock (kernel/locking/mutex.c:934)
[   51.027976][  T531]  ? nla_get_range_signed (lib/nlattr.c:270)
[   51.027983][  T531]  ? __rtnl_newlink (net/core/rtnetlink.c:4063)
[   51.027988][  T531]  rtnl_newlink (net/core/rtnetlink.c:4215)
[   51.027994][  T531]  ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558)
[   51.027996][  T531]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   51.028001][  T531]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2))
[   51.028003][  T531]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[   51.028005][  T531]  ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558)
[   51.028007][  T531]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554)
[   51.028011][  T531]  ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558)
[   51.028013][  T531]  rtnetlink_rcv_msg (net/core/rtnetlink.c:7132)
[   51.028016][  T531]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   51.028018][  T531]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   51.028022][  T531]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2))
[   51.028025][  T531]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[   51.028028][  T531]  netlink_rcv_skb (net/netlink/af_netlink.c:2556)
[   51.028030][  T531]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   51.028033][  T531]  ? netlink_ack (./include/linux/skbuff.h:2718)
[   51.028040][  T531]  ? 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))
[   51.028041][  T531]  ? 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))
[   51.028046][  T531]  netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[   51.028050][  T531]  ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[   51.028053][  T531]  ? __lock_acquire (kernel/locking/lockdep.c:5251 (discriminator 3))
[   51.028057][  T531]  netlink_sendmsg (net/netlink/af_netlink.c:1900)
[   51.028061][  T531]  ? netlink_unicast (./include/net/net_namespace.h:422 (discriminator 7))
[   51.028062][  T531]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554)
[   51.028066][  T531]  ? __might_fault (mm/memory.c:7482 (discriminator 5))
[   51.028069][  T531]  ? __might_fault (mm/memory.c:7482 (discriminator 5))
[   51.028074][  T531]  ____sys_sendmsg (net/socket.c:800 (discriminator 4) net/socket.c:815 (discriminator 4) net/socket.c:2713 (discriminator 4))
[   51.028076][  T531]  ? copy_msghdr_from_user (net/socket.c:2650)
[   51.028078][  T531]  ? get_timestamp.constprop.0 (./include/linux/netdevice.h:5399)
[   51.028080][  T531]  ? move_addr_to_kernel (./include/linux/audit.h:354 (discriminator 1))
[   51.028088][  T531]  ___sys_sendmsg (net/socket.c:2767)
[   51.028091][  T531]  ? copy_msghdr_from_user (net/socket.c:2619)
[   51.028107][  T531]  __sys_sendmsg (net/socket.c:2799)
[   51.028110][  T531]  ? __sys_sendmsg_sock (net/socket.c:2780)
[   51.028117][  T531]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   51.028120][  T531]  do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84)
[   51.028123][  T531]  ? exc_page_fault (arch/x86/mm/fault.c:1489 (discriminator 3) arch/x86/mm/fault.c:1536 (discriminator 3))
[   51.028126][  T531]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[   51.028128][  T531] RIP: 0033:0x7fcaed02954e
[   51.028132][  T531] 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
[   51.028134][  T531] RSP: 002b:00007ffd5cd0d480 EFLAGS: 00000202 ORIG_RAX: 000000000000002e
[   51.028137][  T531] RAX: ffffffffffffffda RBX: 0000000000000003 RCX: 00007fcaed02954e
[   51.028138][  T531] RDX: 0000000000000000 RSI: 00007ffd5cd0d530 RDI: 0000000000000005
[   51.028139][  T531] RBP: 00007ffd5cd0d490 R08: 0000000000000000 R09: 0000000000000000
[   51.028140][  T531] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a90d7b6
[   51.028141][  T531] R13: 00000000004a1620 R14: 0000000000000000 R15: 00007ffd5cd0dc00
| [   52.190829][  T540] softirqs last disabled at (30720): netif_change_name (./include/linux/spinlock.h:353 ./include/linux/seqlock.h:908 net/core/dev.c:1499)
| [   52.190831][  T540] Preemption disabled at:
| [   52.190832][  T540] vprintk_emit (kernel/printk/printk.c:2471)
| [   52.190841][  T540] Tainted: [W]=WARN
[   52.190842][  T540] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   52.190843][  T540] Call Trace:
[   52.190845][  T540]  <TASK>
[   52.190847][  T540]  dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120)
[   52.190852][  T540]  ? vprintk_emit (kernel/printk/printk.c:2471)
[   52.190853][  T540]  __might_resched.cold (kernel/sched/core.c:9234)
[   52.190858][  T540]  ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3))
[   52.190861][  T540]  ? __kmalloc_noprof (./include/linux/sched/mm.h:317 mm/slub.c:4636 mm/slub.c:4974 mm/slub.c:5413 mm/slub.c:5439)
[   52.190867][  T540]  __kmalloc_noprof (./include/linux/sched/mm.h:322 (discriminator 2) mm/slub.c:4636 (discriminator 2) mm/slub.c:4974 (discriminator 2) mm/slub.c:5413 (discriminator 2) mm/slub.c:5439 (discriminator 2))
[   52.190869][  T540]  ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[   52.190876][  T540]  ? do_raw_spin_unlock (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:32 ./include/asm-generic/qspinlock.h:58 kernel/locking/spinlock_debug.c:101 kernel/locking/spinlock_debug.c:141)
[   52.190878][  T540]  alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[   52.190882][  T540]  put_chars (drivers/char/virtio_console.c:1176)
[   52.190885][  T540]  ? __send_to_port (drivers/char/virtio_console.c:654)
[   52.190888][  T540]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380)
[   52.190892][  T540]  ? validate_chain (kernel/locking/lockdep.c:3817 (discriminator 2) kernel/locking/lockdep.c:3837 (discriminator 2) kernel/locking/lockdep.c:3892 (discriminator 2))
[   52.190897][  T540]  hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2))
[   52.190900][  T540]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   52.190902][  T540]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   52.190907][  T540]  ? hvc_write (drivers/tty/hvc/hvc_console.c:501)
[   52.190911][  T540]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   52.190913][  T540]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   52.190917][  T540]  console_emit_next_record (kernel/printk/printk.c:3183)
[   52.190921][  T540]  ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20)
[   52.190922][  T540]  ? console_flush_one_record (./include/linux/rcupdate.h:314 (discriminator 2) ./include/linux/srcu.h:439 (discriminator 2) kernel/printk/printk.c:291 (discriminator 2) kernel/printk/printk.c:3246 (discriminator 2))
[   52.190925][  T540]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   52.190927][  T540]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   52.190931][  T540]  console_flush_one_record (kernel/printk/printk.c:3268)
[   52.190935][  T540]  ? console_emit_next_record (kernel/printk/printk.c:3150)
[   52.190936][  T540]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   52.190941][  T540]  console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420)
[   52.190944][  T540]  ? console_flush_one_record (kernel/printk/printk.c:3316)
[   52.190945][  T540]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   52.190947][  T540]  ? lock_acquire (kernel/locking/lockdep.c:5913)
[   52.190951][  T540]  ? __down_trylock_console_sem (kernel/printk/printk.c:334)
[   52.190953][  T540]  ? vprintk_emit (kernel/printk/printk.c:2478)
[   52.190956][  T540]  vprintk_emit (kernel/printk/printk.c:2479)
[   52.190959][  T540]  ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126))
[   52.190961][  T540]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   52.190963][  T540]  ? save_trace (kernel/locking/lockdep.c:154 (discriminator 6) kernel/locking/lockdep.c:150 (discriminator 6) kernel/locking/lockdep.c:202 (discriminator 6) kernel/locking/lockdep.c:577 (discriminator 6))
[   52.190965][  T540]  ? find_held_lock (kernel/locking/lockdep.c:5360)
[   52.190969][  T540]  _printk (kernel/printk/printk.c:2504)
[   52.190973][  T540]  ? snapshot_read.cold (user.c:?)
[   52.190974][  T540]  ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4116 (discriminator 3) kernel/rcu/tree.c:4108 (discriminator 3))
[   52.190977][  T540]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380)
[   52.190980][  T540]  ? validate_chain (kernel/locking/lockdep.c:3817 (discriminator 2) kernel/locking/lockdep.c:3837 (discriminator 2) kernel/locking/lockdep.c:3892 (discriminator 2))
[   52.190982][  T540]  ? netdev_name (./include/linux/netdevice.h:5709 (discriminator 1))
[   52.190986][  T540]  ? __netdev_printk (net/core/dev.c:13148 (discriminator 2))
[   52.190988][  T540]  ? do_setlink.isra.0 (net/core/rtnetlink.c:3246)
[   52.190990][  T540]  netdev_info (net/core/dev.c:13195 (discriminator 3))
[   52.190993][  T540]  ? netdev_notice (net/core/dev.c:13194)
[   52.190996][  T540]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[   52.190999][  T540]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554)
[   52.191002][  T540]  ? mark_held_locks (kernel/locking/lockdep.c:4341)
[   52.191005][  T540]  ? do_setlink.isra.0 (net/core/rtnetlink.c:3246)
[   52.191007][  T540]  netif_change_name.cold (net/core/dev.c:1507 (discriminator 3))
[   52.191010][  T540]  ? is_bpf_text_address (./include/linux/rcupdate.h:319 (discriminator 2) ./include/linux/rcupdate.h:880 (discriminator 2) kernel/bpf/core.c:751 (discriminator 2))
[   52.191017][  T540]  ? netdev_adjacent_rename_links (net/core/dev.c:9598)
[   52.191019][  T540]  ? __kernel_text_address (kernel/extable.c:79)
[   52.191022][  T540]  ? write_profile (profile.c:?)
[   52.191026][  T540]  ? __asan_memset (mm/kasan/shadow.c:84 (discriminator 1))
[   52.191031][  T540]  do_setlink.isra.0 (net/core/rtnetlink.c:3246)
[   52.191036][  T540]  ? stack_trace_save (kernel/stacktrace.c:122 (discriminator 1))
[   52.191039][  T540]  ? rtnl_link_get_size (net/core/rtnetlink.c:747)
[   52.191040][  T540]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:388 kernel/rcu/update.c:380)
[   52.191042][  T540]  ? stack_depot_save_flags (lib/stackdepot.c:609 (discriminator 2) lib/stackdepot.c:676 (discriminator 2))
[   52.191047][  T540]  ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4116 (discriminator 3) kernel/rcu/tree.c:4108 (discriminator 3))
[   52.191049][  T540]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380)
[   52.191051][  T540]  ? validate_chain (kernel/locking/lockdep.c:3817 (discriminator 2) kernel/locking/lockdep.c:3837 (discriminator 2) kernel/locking/lockdep.c:3892 (discriminator 2))
[   52.191054][  T540]  ? kasan_save_stack (mm/kasan/common.c:58)
[   52.191057][  T540]  ? kasan_save_stack (mm/kasan/common.c:57)
[   52.191058][  T540]  ? kasan_save_track (mm/kasan/common.c:78)
[   52.191061][  T540]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   52.191063][  T540]  ? netlink_update_listeners (net/netlink/af_netlink.c:532)
[   52.191066][  T540]  ? ___sys_sendmsg (net/socket.c:2744 net/socket.c:2763)
[   52.191071][  T540]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2))
[   52.191073][  T540]  ? rtnl_newlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:366 net/core/rtnetlink.c:4214)
[   52.191076][  T540]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   52.191078][  T540]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   52.191080][  T540]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   52.191081][  T540]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   52.191083][  T540]  ? trace_contention_end (./include/trace/events/lock.h:121 (discriminator 22))
[   52.191086][  T540]  ? __mutex_lock (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:3188 kernel/locking/mutex.c:89 kernel/locking/mutex.c:134 kernel/locking/mutex.c:649 kernel/locking/mutex.c:821)
[   52.191089][  T540]  ? __mutex_lock (kernel/locking/mutex.c:656 (discriminator 1) kernel/locking/mutex.c:821 (discriminator 1))
[   52.191091][  T540]  ? rtnl_newlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:366 net/core/rtnetlink.c:4214)
[   52.191095][  T540]  ? ww_mutex_lock (kernel/locking/mutex.c:934)
[   52.191097][  T540]  ? nla_get_range_signed (lib/nlattr.c:270)
[   52.191103][  T540]  ? __rtnl_newlink (net/core/rtnetlink.c:4063)
[   52.191108][  T540]  rtnl_newlink (net/core/rtnetlink.c:4215)
[   52.191113][  T540]  ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558)
[   52.191115][  T540]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   52.191120][  T540]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2))
[   52.191122][  T540]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[   52.191124][  T540]  ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558)
[   52.191126][  T540]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554)
[   52.191130][  T540]  ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558)
[   52.191132][  T540]  rtnetlink_rcv_msg (net/core/rtnetlink.c:7132)
[   52.191135][  T540]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   52.191136][  T540]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   52.191141][  T540]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2))
[   52.191143][  T540]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[   52.191147][  T540]  netlink_rcv_skb (net/netlink/af_netlink.c:2556)
[   52.191148][  T540]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   52.191151][  T540]  ? netlink_ack (./include/linux/skbuff.h:2718)
[   52.191157][  T540]  ? netlink_deliver_tap (./include/linux/rcupdate.h:319 (discriminator 2) ./include/linux/rcupdate.h:880 (discriminator 2) ./include/net/netns/generic.h:48 (discriminator 2) net/netlink/af_netlink.c:334 (discriminator 2))
[   52.191159][  T540]  ? netlink_deliver_tap (./include/linux/rcupdate.h:319 (discriminator 2) ./include/linux/rcupdate.h:880 (discriminator 2) net/netlink/af_netlink.c:341 (discriminator 2))
[   52.191163][  T540]  netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[   52.191167][  T540]  ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[   52.191170][  T540]  ? __lock_acquire (kernel/locking/lockdep.c:5251 (discriminator 3))
[   52.191174][  T540]  netlink_sendmsg (net/netlink/af_netlink.c:1900)
[   52.191177][  T540]  ? netlink_unicast (./include/net/net_namespace.h:422 (discriminator 7))
[   52.191179][  T540]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554)
[   52.191182][  T540]  ? __might_fault (mm/memory.c:7482 (discriminator 5))
[   52.191186][  T540]  ? __might_fault (mm/memory.c:7482 (discriminator 5))
[   52.191190][  T540]  ____sys_sendmsg (net/socket.c:800 (discriminator 4) net/socket.c:815 (discriminator 4) net/socket.c:2713 (discriminator 4))
[   52.191192][  T540]  ? copy_msghdr_from_user (net/socket.c:2650)
[   52.191194][  T540]  ? get_timestamp.constprop.0 (./include/linux/netdevice.h:5399)
[   52.191196][  T540]  ? move_addr_to_kernel (./include/linux/audit.h:354 (discriminator 1))
[   52.191203][  T540]  ___sys_sendmsg (net/socket.c:2767)
[   52.191206][  T540]  ? copy_msghdr_from_user (net/socket.c:2619)
[   52.191222][  T540]  __sys_sendmsg (net/socket.c:2799)
[   52.191225][  T540]  ? __sys_sendmsg_sock (net/socket.c:2780)
[   52.191232][  T540]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   52.191235][  T540]  do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84)
[   52.191238][  T540]  ? exc_page_fault (arch/x86/mm/fault.c:1489 (discriminator 3) arch/x86/mm/fault.c:1536 (discriminator 3))
[   52.191244][  T540]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[   52.191246][  T540] RIP: 0033:0x7ff5118ad54e
[   52.191250][  T540] Code: 4d 89 d8 e8 b4 bd 00 00 4c 8b 5d f8 41 8b 93 08 03 00 00 59 5e 48 83 f8 fc 74 11 c9 c3 0f 1f 80 00 00 00 00 48 8b 45 10 0f 05 <c9> c3 83 e2 39 83 fa 08 75 e7 e8 03 ff ff ff 0f 1f 00 f3 0f 1e fa
All code
========
   0:	4d 89 d8             	mov    %r11,%r8
   3:	e8 b4 bd 00 00       	call   0xbdbc
   8:	4c 8b 5d f8          	mov    -0x8(%rbp),%r11
   c:	41 8b 93 08 03 00 00 	mov    0x308(%r11),%edx
  13:	59                   	pop    %rcx
  14:	5e                   	pop    %rsi
  15:	48 83 f8 fc          	cmp    $0xfffffffffffffffc,%rax
  19:	74 11                	je     0x2c
  1b:	c9                   	leave
  1c:	c3                   	ret
  1d:	0f 1f 80 00 00 00 00 	nopl   0x0(%rax)
  24:	48 8b 45 10          	mov    0x10(%rbp),%rax
  28:	0f 05                	syscall
  2a:*	c9                   	leave		<-- trapping instruction
  2b:	c3                   	ret
  2c:	83 e2 39             	and    $0x39,%edx
  2f:	83 fa 08             	cmp    $0x8,%edx
  32:	75 e7                	jne    0x1b
  34:	e8 03 ff ff ff       	call   0xffffffffffffff3c
  39:	0f 1f 00             	nopl   (%rax)
  3c:	f3 0f 1e fa          	endbr64

Code starting with the faulting instruction
===========================================
   0:	c9                   	leave
   1:	c3                   	ret
   2:	83 e2 39             	and    $0x39,%edx
   5:	83 fa 08             	cmp    $0x8,%edx
   8:	75 e7                	jne    0xfffffffffffffff1
   a:	e8 03 ff ff ff       	call   0xffffffffffffff12
   f:	0f 1f 00             	nopl   (%rax)
  12:	f3 0f 1e fa          	endbr64
[   52.191251][  T540] RSP: 002b:00007ffc29288d10 EFLAGS: 00000202 ORIG_RAX: 000000000000002e
[   52.191254][  T540] RAX: ffffffffffffffda RBX: 0000000000000003 RCX: 00007ff5118ad54e
[   52.191255][  T540] RDX: 0000000000000000 RSI: 00007ffc29288dc0 RDI: 0000000000000005
[   52.191256][  T540] RBP: 00007ffc29288d20 R08: 0000000000000000 R09: 0000000000000000
[   52.191257][  T540] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a90d7b7
[   52.191258][  T540] R13: 00000000004a1620 R14: 0000000000000000 R15: 00007ffc29289490
| [   53.293350][  T552] softirqs last disabled at (16600): netif_change_name (./include/linux/spinlock.h:353 ./include/linux/seqlock.h:908 net/core/dev.c:1499)
| [   53.293352][  T552] Preemption disabled at:
| [   53.293353][  T552] vprintk_emit (kernel/printk/printk.c:2471)
| [   53.293362][  T552] Tainted: [W]=WARN
[   53.293363][  T552] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   53.293364][  T552] Call Trace:
[   53.293366][  T552]  <TASK>
[   53.293368][  T552]  dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120)
[   53.293373][  T552]  ? vprintk_emit (kernel/printk/printk.c:2471)
[   53.293375][  T552]  __might_resched.cold (kernel/sched/core.c:9234)
[   53.293379][  T552]  ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3))
[   53.293382][  T552]  ? __kmalloc_noprof (./include/linux/sched/mm.h:317 mm/slub.c:4636 mm/slub.c:4974 mm/slub.c:5413 mm/slub.c:5439)
[   53.293388][  T552]  __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))
[   53.293390][  T552]  ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[   53.293396][  T552]  ? 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)
[   53.293399][  T552]  alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[   53.293403][  T552]  put_chars (drivers/char/virtio_console.c:1176)
[   53.293406][  T552]  ? __send_to_port (drivers/char/virtio_console.c:654)
[   53.293410][  T552]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380)
[   53.293413][  T552]  ? validate_chain (kernel/locking/lockdep.c:3817 (discriminator 2) kernel/locking/lockdep.c:3837 (discriminator 2) kernel/locking/lockdep.c:3892 (discriminator 2))
[   53.293418][  T552]  hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2))
[   53.293421][  T552]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   53.293423][  T552]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   53.293428][  T552]  ? hvc_write (drivers/tty/hvc/hvc_console.c:501)
[   53.293431][  T552]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   53.293434][  T552]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   53.293438][  T552]  console_emit_next_record (kernel/printk/printk.c:3183)
[   53.293442][  T552]  ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20)
[   53.293443][  T552]  ? 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))
[   53.293446][  T552]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   53.293448][  T552]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   53.293452][  T552]  console_flush_one_record (kernel/printk/printk.c:3268)
[   53.293456][  T552]  ? console_emit_next_record (kernel/printk/printk.c:3150)
[   53.293458][  T552]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   53.293463][  T552]  console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420)
[   53.293466][  T552]  ? console_flush_one_record (kernel/printk/printk.c:3316)
[   53.293467][  T552]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   53.293469][  T552]  ? lock_acquire (kernel/locking/lockdep.c:5913)
[   53.293473][  T552]  ? __down_trylock_console_sem (kernel/printk/printk.c:334)
[   53.293475][  T552]  ? vprintk_emit (kernel/printk/printk.c:2478)
[   53.293478][  T552]  vprintk_emit (kernel/printk/printk.c:2479)
[   53.293481][  T552]  ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126))
[   53.293483][  T552]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   53.293485][  T552]  ? save_trace (kernel/locking/lockdep.c:154 (discriminator 6) kernel/locking/lockdep.c:150 (discriminator 6) kernel/locking/lockdep.c:202 (discriminator 6) kernel/locking/lockdep.c:577 (discriminator 6))
[   53.293487][  T552]  ? find_held_lock (kernel/locking/lockdep.c:5360)
[   53.293491][  T552]  _printk (kernel/printk/printk.c:2504)
[   53.293495][  T552]  ? snapshot_read.cold (user.c:?)
[   53.293497][  T552]  ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4116 (discriminator 3) kernel/rcu/tree.c:4108 (discriminator 3))
[   53.293499][  T552]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380)
[   53.293501][  T552]  ? validate_chain (kernel/locking/lockdep.c:3817 (discriminator 2) kernel/locking/lockdep.c:3837 (discriminator 2) kernel/locking/lockdep.c:3892 (discriminator 2))
[   53.293504][  T552]  ? netdev_name (./include/linux/netdevice.h:5709 (discriminator 1))
[   53.293507][  T552]  ? __netdev_printk (net/core/dev.c:13148 (discriminator 2))
[   53.293510][  T552]  ? do_setlink.isra.0 (net/core/rtnetlink.c:3246)
[   53.293512][  T552]  netdev_info (net/core/dev.c:13195 (discriminator 3))
[   53.293515][  T552]  ? netdev_notice (net/core/dev.c:13194)
[   53.293518][  T552]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[   53.293521][  T552]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554)
[   53.293523][  T552]  ? mark_held_locks (kernel/locking/lockdep.c:4341)
[   53.293527][  T552]  ? do_setlink.isra.0 (net/core/rtnetlink.c:3246)
[   53.293529][  T552]  netif_change_name.cold (net/core/dev.c:1507 (discriminator 3))
[   53.293533][  T552]  ? 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))
[   53.293539][  T552]  ? netdev_adjacent_rename_links (net/core/dev.c:9598)
[   53.293542][  T552]  ? __kernel_text_address (kernel/extable.c:79)
[   53.293545][  T552]  ? write_profile (profile.c:?)
[   53.293549][  T552]  ? __asan_memset (mm/kasan/shadow.c:84 (discriminator 1))
[   53.293554][  T552]  do_setlink.isra.0 (net/core/rtnetlink.c:3246)
[   53.293559][  T552]  ? stack_trace_save (kernel/stacktrace.c:122 (discriminator 1))
[   53.293561][  T552]  ? rtnl_link_get_size (net/core/rtnetlink.c:747)
[   53.293563][  T552]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:388 kernel/rcu/update.c:380)
[   53.293565][  T552]  ? stack_depot_save_flags (lib/stackdepot.c:609 (discriminator 2) lib/stackdepot.c:676 (discriminator 2))
[   53.293569][  T552]  ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4116 (discriminator 3) kernel/rcu/tree.c:4108 (discriminator 3))
[   53.293571][  T552]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380)
[   53.293573][  T552]  ? validate_chain (kernel/locking/lockdep.c:3817 (discriminator 2) kernel/locking/lockdep.c:3837 (discriminator 2) kernel/locking/lockdep.c:3892 (discriminator 2))
[   53.293576][  T552]  ? kasan_save_stack (mm/kasan/common.c:58)
[   53.293579][  T552]  ? kasan_save_stack (mm/kasan/common.c:57)
[   53.293580][  T552]  ? kasan_save_track (mm/kasan/common.c:78)
[   53.293583][  T552]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   53.293585][  T552]  ? netlink_update_listeners (net/netlink/af_netlink.c:532)
[   53.293588][  T552]  ? ___sys_sendmsg (net/socket.c:2744 net/socket.c:2763)
[   53.293593][  T552]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2))
[   53.293595][  T552]  ? rtnl_newlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:366 net/core/rtnetlink.c:4214)
[   53.293598][  T552]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   53.293600][  T552]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   53.293602][  T552]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   53.293603][  T552]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   53.293605][  T552]  ? trace_contention_end (./include/trace/events/lock.h:121 (discriminator 22))
[   53.293608][  T552]  ? __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)
[   53.293611][  T552]  ? __mutex_lock (kernel/locking/mutex.c:656 (discriminator 1) kernel/locking/mutex.c:821 (discriminator 1))
[   53.293613][  T552]  ? rtnl_newlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:366 net/core/rtnetlink.c:4214)
[   53.293617][  T552]  ? ww_mutex_lock (kernel/locking/mutex.c:934)
[   53.293619][  T552]  ? nla_get_range_signed (lib/nlattr.c:270)
[   53.293624][  T552]  ? __rtnl_newlink (net/core/rtnetlink.c:4063)
[   53.293630][  T552]  rtnl_newlink (net/core/rtnetlink.c:4215)
[   53.293635][  T552]  ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558)
[   53.293637][  T552]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   53.293641][  T552]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2))
[   53.293643][  T552]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[   53.293646][  T552]  ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558)
[   53.293647][  T552]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554)
[   53.293651][  T552]  ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558)
[   53.293653][  T552]  rtnetlink_rcv_msg (net/core/rtnetlink.c:7132)
[   53.293656][  T552]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   53.293658][  T552]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   53.293662][  T552]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2))
[   53.293664][  T552]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[   53.293668][  T552]  netlink_rcv_skb (net/netlink/af_netlink.c:2556)
[   53.293670][  T552]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   53.293673][  T552]  ? netlink_ack (./include/linux/skbuff.h:2718)
[   53.293679][  T552]  ? 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))
[   53.293680][  T552]  ? 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))
[   53.293685][  T552]  netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[   53.293688][  T552]  ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[   53.293691][  T552]  ? __lock_acquire (kernel/locking/lockdep.c:5251 (discriminator 3))
[   53.293695][  T552]  netlink_sendmsg (net/netlink/af_netlink.c:1900)
[   53.293699][  T552]  ? netlink_unicast (./include/net/net_namespace.h:422 (discriminator 7))
[   53.293700][  T552]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554)
[   53.293703][  T552]  ? __might_fault (mm/memory.c:7482 (discriminator 5))
[   53.293707][  T552]  ? __might_fault (mm/memory.c:7482 (discriminator 5))
[   53.293715][  T552]  ____sys_sendmsg (net/socket.c:800 (discriminator 4) net/socket.c:815 (discriminator 4) net/socket.c:2713 (discriminator 4))
[   53.293718][  T552]  ? copy_msghdr_from_user (net/socket.c:2650)
[   53.293720][  T552]  ? get_timestamp.constprop.0 (./include/linux/netdevice.h:5399)
[   53.293721][  T552]  ? move_addr_to_kernel (./include/linux/audit.h:354 (discriminator 1))
[   53.293729][  T552]  ___sys_sendmsg (net/socket.c:2767)
[   53.293732][  T552]  ? copy_msghdr_from_user (net/socket.c:2619)
[   53.293748][  T552]  __sys_sendmsg (net/socket.c:2799)
[   53.293751][  T552]  ? __sys_sendmsg_sock (net/socket.c:2780)
[   53.293757][  T552]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   53.293760][  T552]  do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84)
[   53.293763][  T552]  ? exc_page_fault (arch/x86/mm/fault.c:1489 (discriminator 3) arch/x86/mm/fault.c:1536 (discriminator 3))
[   53.293766][  T552]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[   53.293768][  T552] RIP: 0033:0x7f736076154e
[   53.293772][  T552] 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
[   53.293774][  T552] RSP: 002b:00007ffc48662c80 EFLAGS: 00000202 ORIG_RAX: 000000000000002e
[   53.293777][  T552] RAX: ffffffffffffffda RBX: 0000000000000003 RCX: 00007f736076154e
[   53.293778][  T552] RDX: 0000000000000000 RSI: 00007ffc48662d30 RDI: 0000000000000005
[   53.293788][  T552] RBP: 00007ffc48662c90 R08: 0000000000000000 R09: 0000000000000000
[   53.293789][  T552] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a90d7b8
[   53.293790][  T552] R13: 00000000004a1620 R14: 0000000000000000 R15: 00007ffc48663400
| [   54.360199][  T562] softirqs last disabled at (23926): netif_change_name (./include/linux/spinlock.h:353 ./include/linux/seqlock.h:908 net/core/dev.c:1499)
| [   54.360201][  T562] Preemption disabled at:
| [   54.360202][  T562] vprintk_emit (kernel/printk/printk.c:2471)
| [   54.360211][  T562] Tainted: [W]=WARN
[   54.360212][  T562] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   54.360213][  T562] Call Trace:
[   54.360215][  T562]  <TASK>
[   54.360216][  T562]  dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120)
[   54.360222][  T562]  ? vprintk_emit (kernel/printk/printk.c:2471)
[   54.360224][  T562]  __might_resched.cold (kernel/sched/core.c:9234)
[   54.360228][  T562]  ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3))
[   54.360232][  T562]  ? __kmalloc_noprof (./include/linux/sched/mm.h:317 mm/slub.c:4636 mm/slub.c:4974 mm/slub.c:5413 mm/slub.c:5439)
[   54.360238][  T562]  __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))
[   54.360242][  T562]  ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[   54.360249][  T562]  ? 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)
[   54.360252][  T562]  alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[   54.360255][  T562]  put_chars (drivers/char/virtio_console.c:1176)
[   54.360258][  T562]  ? __send_to_port (drivers/char/virtio_console.c:654)
[   54.360262][  T562]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380)
[   54.360266][  T562]  ? validate_chain (kernel/locking/lockdep.c:3817 (discriminator 2) kernel/locking/lockdep.c:3837 (discriminator 2) kernel/locking/lockdep.c:3892 (discriminator 2))
[   54.360271][  T562]  hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2))
[   54.360274][  T562]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   54.360276][  T562]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   54.360281][  T562]  ? hvc_write (drivers/tty/hvc/hvc_console.c:501)
[   54.360284][  T562]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   54.360287][  T562]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   54.360291][  T562]  console_emit_next_record (kernel/printk/printk.c:3183)
[   54.360295][  T562]  ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20)
[   54.360296][  T562]  ? 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))
[   54.360299][  T562]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   54.360301][  T562]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   54.360305][  T562]  console_flush_one_record (kernel/printk/printk.c:3268)
[   54.360309][  T562]  ? console_emit_next_record (kernel/printk/printk.c:3150)
[   54.360310][  T562]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   54.360316][  T562]  console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420)
[   54.360318][  T562]  ? console_flush_one_record (kernel/printk/printk.c:3316)
[   54.360319][  T562]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   54.360321][  T562]  ? lock_acquire (kernel/locking/lockdep.c:5913)
[   54.360325][  T562]  ? __down_trylock_console_sem (kernel/printk/printk.c:334)
[   54.360327][  T562]  ? vprintk_emit (kernel/printk/printk.c:2478)
[   54.360330][  T562]  vprintk_emit (kernel/printk/printk.c:2479)
[   54.360333][  T562]  ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126))
[   54.360336][  T562]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   54.360338][  T562]  ? save_trace (kernel/locking/lockdep.c:154 (discriminator 6) kernel/locking/lockdep.c:150 (discriminator 6) kernel/locking/lockdep.c:202 (discriminator 6) kernel/locking/lockdep.c:577 (discriminator 6))
[   54.360340][  T562]  ? find_held_lock (kernel/locking/lockdep.c:5360)
[   54.360344][  T562]  _printk (kernel/printk/printk.c:2504)
[   54.360347][  T562]  ? snapshot_read.cold (user.c:?)
[   54.360349][  T562]  ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4116 (discriminator 3) kernel/rcu/tree.c:4108 (discriminator 3))
[   54.360352][  T562]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380)
[   54.360354][  T562]  ? validate_chain (kernel/locking/lockdep.c:3817 (discriminator 2) kernel/locking/lockdep.c:3837 (discriminator 2) kernel/locking/lockdep.c:3892 (discriminator 2))
[   54.360356][  T562]  ? netdev_name (./include/linux/netdevice.h:5709 (discriminator 1))
[   54.360360][  T562]  ? __netdev_printk (net/core/dev.c:13148 (discriminator 2))
[   54.360363][  T562]  ? do_setlink.isra.0 (net/core/rtnetlink.c:3246)
[   54.360365][  T562]  netdev_info (net/core/dev.c:13195 (discriminator 3))
[   54.360368][  T562]  ? netdev_notice (net/core/dev.c:13194)
[   54.360370][  T562]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[   54.360373][  T562]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554)
[   54.360376][  T562]  ? mark_held_locks (kernel/locking/lockdep.c:4341)
[   54.360380][  T562]  ? do_setlink.isra.0 (net/core/rtnetlink.c:3246)
[   54.360382][  T562]  netif_change_name.cold (net/core/dev.c:1507 (discriminator 3))
[   54.360386][  T562]  ? 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))
[   54.360392][  T562]  ? netdev_adjacent_rename_links (net/core/dev.c:9598)
[   54.360395][  T562]  ? __kernel_text_address (kernel/extable.c:79)
[   54.360398][  T562]  ? write_profile (profile.c:?)
[   54.360402][  T562]  ? __asan_memset (mm/kasan/shadow.c:84 (discriminator 1))
[   54.360407][  T562]  do_setlink.isra.0 (net/core/rtnetlink.c:3246)
[   54.360412][  T562]  ? stack_trace_save (kernel/stacktrace.c:122 (discriminator 1))
[   54.360415][  T562]  ? rtnl_link_get_size (net/core/rtnetlink.c:747)
[   54.360416][  T562]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:388 kernel/rcu/update.c:380)
[   54.360418][  T562]  ? stack_depot_save_flags (lib/stackdepot.c:609 (discriminator 2) lib/stackdepot.c:676 (discriminator 2))
[   54.360422][  T562]  ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4116 (discriminator 3) kernel/rcu/tree.c:4108 (discriminator 3))
[   54.360424][  T562]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380)
[   54.360426][  T562]  ? validate_chain (kernel/locking/lockdep.c:3817 (discriminator 2) kernel/locking/lockdep.c:3837 (discriminator 2) kernel/locking/lockdep.c:3892 (discriminator 2))
[   54.360429][  T562]  ? kasan_save_stack (mm/kasan/common.c:58)
[   54.360432][  T562]  ? kasan_save_stack (mm/kasan/common.c:57)
[   54.360434][  T562]  ? kasan_save_track (mm/kasan/common.c:78)
[   54.360437][  T562]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   54.360439][  T562]  ? netlink_update_listeners (net/netlink/af_netlink.c:532)
[   54.360442][  T562]  ? ___sys_sendmsg (net/socket.c:2744 net/socket.c:2763)
[   54.360447][  T562]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2))
[   54.360449][  T562]  ? rtnl_newlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:366 net/core/rtnetlink.c:4214)
[   54.360452][  T562]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   54.360454][  T562]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   54.360456][  T562]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   54.360457][  T562]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   54.360459][  T562]  ? trace_contention_end (./include/trace/events/lock.h:121 (discriminator 22))
[   54.360462][  T562]  ? __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)
[   54.360465][  T562]  ? __mutex_lock (kernel/locking/mutex.c:656 (discriminator 1) kernel/locking/mutex.c:821 (discriminator 1))
[   54.360468][  T562]  ? rtnl_newlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:366 net/core/rtnetlink.c:4214)
[   54.360471][  T562]  ? ww_mutex_lock (kernel/locking/mutex.c:934)
[   54.360473][  T562]  ? nla_get_range_signed (lib/nlattr.c:270)
[   54.360479][  T562]  ? __rtnl_newlink (net/core/rtnetlink.c:4063)
[   54.360484][  T562]  rtnl_newlink (net/core/rtnetlink.c:4215)
[   54.360490][  T562]  ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558)
[   54.360492][  T562]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   54.360496][  T562]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2))
[   54.360499][  T562]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[   54.360501][  T562]  ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558)
[   54.360502][  T562]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554)
[   54.360507][  T562]  ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558)
[   54.360509][  T562]  rtnetlink_rcv_msg (net/core/rtnetlink.c:7132)
[   54.360512][  T562]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   54.360513][  T562]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   54.360518][  T562]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2))
[   54.360520][  T562]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[   54.360524][  T562]  netlink_rcv_skb (net/netlink/af_netlink.c:2556)
[   54.360525][  T562]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   54.360528][  T562]  ? netlink_ack (./include/linux/skbuff.h:2718)
[   54.360535][  T562]  ? 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))
[   54.360536][  T562]  ? 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))
[   54.360540][  T562]  netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[   54.360544][  T562]  ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[   54.360547][  T562]  ? __lock_acquire (kernel/locking/lockdep.c:5251 (discriminator 3))
[   54.360552][  T562]  netlink_sendmsg (net/netlink/af_netlink.c:1900)
[   54.360556][  T562]  ? netlink_unicast (./include/net/net_namespace.h:422 (discriminator 7))
[   54.360557][  T562]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554)
[   54.360560][  T562]  ? __might_fault (mm/memory.c:7482 (discriminator 5))
[   54.360564][  T562]  ? __might_fault (mm/memory.c:7482 (discriminator 5))
[   54.360568][  T562]  ____sys_sendmsg (net/socket.c:800 (discriminator 4) net/socket.c:815 (discriminator 4) net/socket.c:2713 (discriminator 4))
[   54.360570][  T562]  ? copy_msghdr_from_user (net/socket.c:2650)
[   54.360573][  T562]  ? get_timestamp.constprop.0 (./include/linux/netdevice.h:5399)
[   54.360574][  T562]  ? move_addr_to_kernel (./include/linux/audit.h:354 (discriminator 1))
[   54.360582][  T562]  ___sys_sendmsg (net/socket.c:2767)
[   54.360585][  T562]  ? copy_msghdr_from_user (net/socket.c:2619)
[   54.360601][  T562]  __sys_sendmsg (net/socket.c:2799)
[   54.360605][  T562]  ? __sys_sendmsg_sock (net/socket.c:2780)
[   54.360611][  T562]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   54.360615][  T562]  do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84)
[   54.360617][  T562]  ? exc_page_fault (arch/x86/mm/fault.c:1489 (discriminator 3) arch/x86/mm/fault.c:1536 (discriminator 3))
[   54.360620][  T562]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[   54.360623][  T562] RIP: 0033:0x7f0c8eed054e
[   54.360626][  T562] 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
[   54.360628][  T562] RSP: 002b:00007ffcaff3fce0 EFLAGS: 00000202 ORIG_RAX: 000000000000002e
[   54.360631][  T562] RAX: ffffffffffffffda RBX: 0000000000000003 RCX: 00007f0c8eed054e
[   54.360633][  T562] RDX: 0000000000000000 RSI: 00007ffcaff3fd90 RDI: 0000000000000005
[   54.360633][  T562] RBP: 00007ffcaff3fcf0 R08: 0000000000000000 R09: 0000000000000000
[   54.360634][  T562] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a90d7b9
[   54.360635][  T562] R13: 00000000004a1620 R14: 0000000000000000 R15: 00007ffcaff40460
| [   55.534182][  T573] softirqs last disabled at (34366): netif_change_name (./include/linux/spinlock.h:353 ./include/linux/seqlock.h:908 net/core/dev.c:1499)
| [   55.534185][  T573] Preemption disabled at:
| [   55.534186][  T573] vprintk_emit (kernel/printk/printk.c:2471)
| [   55.534195][  T573] Tainted: [W]=WARN
[   55.534196][  T573] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   55.534197][  T573] Call Trace:
[   55.534199][  T573]  <TASK>
[   55.534201][  T573]  dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120)
[   55.534206][  T573]  ? vprintk_emit (kernel/printk/printk.c:2471)
[   55.534208][  T573]  __might_resched.cold (kernel/sched/core.c:9234)
[   55.534213][  T573]  ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3))
[   55.534216][  T573]  ? __kmalloc_noprof (./include/linux/sched/mm.h:317 mm/slub.c:4636 mm/slub.c:4974 mm/slub.c:5413 mm/slub.c:5439)
[   55.534222][  T573]  __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))
[   55.534224][  T573]  ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[   55.534231][  T573]  ? 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)
[   55.534234][  T573]  alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[   55.534238][  T573]  put_chars (drivers/char/virtio_console.c:1176)
[   55.534243][  T573]  ? __send_to_port (drivers/char/virtio_console.c:654)
[   55.534247][  T573]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380)
[   55.534251][  T573]  ? validate_chain (kernel/locking/lockdep.c:3817 (discriminator 2) kernel/locking/lockdep.c:3837 (discriminator 2) kernel/locking/lockdep.c:3892 (discriminator 2))
[   55.534256][  T573]  hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2))
[   55.534260][  T573]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   55.534262][  T573]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   55.534266][  T573]  ? hvc_write (drivers/tty/hvc/hvc_console.c:501)
[   55.534270][  T573]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   55.534273][  T573]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   55.534277][  T573]  console_emit_next_record (kernel/printk/printk.c:3183)
[   55.534281][  T573]  ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20)
[   55.534282][  T573]  ? 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))
[   55.534285][  T573]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   55.534287][  T573]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   55.534291][  T573]  console_flush_one_record (kernel/printk/printk.c:3268)
[   55.534295][  T573]  ? console_emit_next_record (kernel/printk/printk.c:3150)
[   55.534296][  T573]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   55.534302][  T573]  console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420)
[   55.534304][  T573]  ? console_flush_one_record (kernel/printk/printk.c:3316)
[   55.534306][  T573]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   55.534308][  T573]  ? lock_acquire (kernel/locking/lockdep.c:5913)
[   55.534312][  T573]  ? __down_trylock_console_sem (kernel/printk/printk.c:334)
[   55.534314][  T573]  ? vprintk_emit (kernel/printk/printk.c:2478)
[   55.534317][  T573]  vprintk_emit (kernel/printk/printk.c:2479)
[   55.534320][  T573]  ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126))
[   55.534322][  T573]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   55.534324][  T573]  ? save_trace (kernel/locking/lockdep.c:154 (discriminator 6) kernel/locking/lockdep.c:150 (discriminator 6) kernel/locking/lockdep.c:202 (discriminator 6) kernel/locking/lockdep.c:577 (discriminator 6))
[   55.534326][  T573]  ? find_held_lock (kernel/locking/lockdep.c:5360)
[   55.534330][  T573]  _printk (kernel/printk/printk.c:2504)
[   55.534334][  T573]  ? snapshot_read.cold (user.c:?)
[   55.534336][  T573]  ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4116 (discriminator 3) kernel/rcu/tree.c:4108 (discriminator 3))
[   55.534339][  T573]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380)
[   55.534341][  T573]  ? validate_chain (kernel/locking/lockdep.c:3817 (discriminator 2) kernel/locking/lockdep.c:3837 (discriminator 2) kernel/locking/lockdep.c:3892 (discriminator 2))
[   55.534343][  T573]  ? netdev_name (./include/linux/netdevice.h:5709 (discriminator 1))
[   55.534346][  T573]  ? __netdev_printk (net/core/dev.c:13148 (discriminator 2))
[   55.534349][  T573]  ? do_setlink.isra.0 (net/core/rtnetlink.c:3246)
[   55.534351][  T573]  netdev_info (net/core/dev.c:13195 (discriminator 3))
[   55.534354][  T573]  ? netdev_notice (net/core/dev.c:13194)
[   55.534357][  T573]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[   55.534360][  T573]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554)
[   55.534363][  T573]  ? mark_held_locks (kernel/locking/lockdep.c:4341)
[   55.534366][  T573]  ? do_setlink.isra.0 (net/core/rtnetlink.c:3246)
[   55.534369][  T573]  netif_change_name.cold (net/core/dev.c:1507 (discriminator 3))
[   55.534372][  T573]  ? 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))
[   55.534378][  T573]  ? netdev_adjacent_rename_links (net/core/dev.c:9598)
[   55.534381][  T573]  ? __kernel_text_address (kernel/extable.c:79)
[   55.534384][  T573]  ? write_profile (profile.c:?)
[   55.534388][  T573]  ? __asan_memset (mm/kasan/shadow.c:84 (discriminator 1))
[   55.534393][  T573]  do_setlink.isra.0 (net/core/rtnetlink.c:3246)
[   55.534398][  T573]  ? stack_trace_save (kernel/stacktrace.c:122 (discriminator 1))
[   55.534400][  T573]  ? rtnl_link_get_size (net/core/rtnetlink.c:747)
[   55.534402][  T573]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:388 kernel/rcu/update.c:380)
[   55.534404][  T573]  ? stack_depot_save_flags (lib/stackdepot.c:609 (discriminator 2) lib/stackdepot.c:676 (discriminator 2))
[   55.534408][  T573]  ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4116 (discriminator 3) kernel/rcu/tree.c:4108 (discriminator 3))
[   55.534410][  T573]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380)
[   55.534412][  T573]  ? validate_chain (kernel/locking/lockdep.c:3817 (discriminator 2) kernel/locking/lockdep.c:3837 (discriminator 2) kernel/locking/lockdep.c:3892 (discriminator 2))
[   55.534415][  T573]  ? kasan_save_stack (mm/kasan/common.c:58)
[   55.534418][  T573]  ? kasan_save_stack (mm/kasan/common.c:57)
[   55.534420][  T573]  ? kasan_save_track (mm/kasan/common.c:78)
[   55.534423][  T573]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   55.534425][  T573]  ? netlink_update_listeners (net/netlink/af_netlink.c:532)
[   55.534428][  T573]  ? ___sys_sendmsg (net/socket.c:2744 net/socket.c:2763)
[   55.534433][  T573]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2))
[   55.534435][  T573]  ? rtnl_newlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:366 net/core/rtnetlink.c:4214)
[   55.534438][  T573]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   55.534440][  T573]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   55.534441][  T573]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   55.534443][  T573]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   55.534445][  T573]  ? trace_contention_end (./include/trace/events/lock.h:121 (discriminator 22))
[   55.534447][  T573]  ? __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)
[   55.534451][  T573]  ? __mutex_lock (kernel/locking/mutex.c:656 (discriminator 1) kernel/locking/mutex.c:821 (discriminator 1))
[   55.534453][  T573]  ? rtnl_newlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:366 net/core/rtnetlink.c:4214)
[   55.534457][  T573]  ? ww_mutex_lock (kernel/locking/mutex.c:934)
[   55.534459][  T573]  ? nla_get_range_signed (lib/nlattr.c:270)
[   55.534464][  T573]  ? __rtnl_newlink (net/core/rtnetlink.c:4063)
[   55.534470][  T573]  rtnl_newlink (net/core/rtnetlink.c:4215)
[   55.534475][  T573]  ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558)
[   55.534477][  T573]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   55.534482][  T573]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2))
[   55.534484][  T573]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[   55.534486][  T573]  ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558)
[   55.534488][  T573]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554)
[   55.534494][  T573]  ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558)
[   55.534497][  T573]  rtnetlink_rcv_msg (net/core/rtnetlink.c:7132)
[   55.534500][  T573]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   55.534501][  T573]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   55.534506][  T573]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2))
[   55.534508][  T573]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[   55.534512][  T573]  netlink_rcv_skb (net/netlink/af_netlink.c:2556)
[   55.534514][  T573]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   55.534517][  T573]  ? netlink_ack (./include/linux/skbuff.h:2718)
[   55.534523][  T573]  ? 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))
[   55.534524][  T573]  ? 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))
[   55.534529][  T573]  netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[   55.534533][  T573]  ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[   55.534536][  T573]  ? __lock_acquire (kernel/locking/lockdep.c:5251 (discriminator 3))
[   55.534540][  T573]  netlink_sendmsg (net/netlink/af_netlink.c:1900)
[   55.534544][  T573]  ? netlink_unicast (./include/net/net_namespace.h:422 (discriminator 7))
[   55.534545][  T573]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554)
[   55.534548][  T573]  ? __might_fault (mm/memory.c:7482 (discriminator 5))
[   55.534552][  T573]  ? __might_fault (mm/memory.c:7482 (discriminator 5))
[   55.534556][  T573]  ____sys_sendmsg (net/socket.c:800 (discriminator 4) net/socket.c:815 (discriminator 4) net/socket.c:2713 (discriminator 4))
[   55.534559][  T573]  ? copy_msghdr_from_user (net/socket.c:2650)
[   55.534561][  T573]  ? get_timestamp.constprop.0 (./include/linux/netdevice.h:5399)
[   55.534563][  T573]  ? move_addr_to_kernel (./include/linux/audit.h:354 (discriminator 1))
[   55.534571][  T573]  ___sys_sendmsg (net/socket.c:2767)
[   55.534573][  T573]  ? copy_msghdr_from_user (net/socket.c:2619)
[   55.534589][  T573]  __sys_sendmsg (net/socket.c:2799)
[   55.534593][  T573]  ? __sys_sendmsg_sock (net/socket.c:2780)
[   55.534599][  T573]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   55.534602][  T573]  do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84)
[   55.534605][  T573]  ? exc_page_fault (arch/x86/mm/fault.c:1489 (discriminator 3) arch/x86/mm/fault.c:1536 (discriminator 3))
[   55.534609][  T573]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[   55.534611][  T573] RIP: 0033:0x7fe07063554e
[   55.534615][  T573] 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
[   55.534618][  T573] RSP: 002b:00007fff7eae1750 EFLAGS: 00000202 ORIG_RAX: 000000000000002e
[   55.534620][  T573] RAX: ffffffffffffffda RBX: 0000000000000003 RCX: 00007fe07063554e
[   55.534622][  T573] RDX: 0000000000000000 RSI: 00007fff7eae1800 RDI: 0000000000000005
[   55.534623][  T573] RBP: 00007fff7eae1760 R08: 0000000000000000 R09: 0000000000000000
[   55.534623][  T573] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a90d7ba
[   55.534624][  T573] R13: 00000000004a1620 R14: 0000000000000000 R15: 00007fff7eae1ed0
| [   56.755363][  T581] softirqs last disabled at (30130): netif_change_name (./include/linux/spinlock.h:353 ./include/linux/seqlock.h:908 net/core/dev.c:1499)
| [   56.755366][  T581] Preemption disabled at:
| [   56.755367][  T581] vprintk_emit (kernel/printk/printk.c:2471)
| [   56.755379][  T581] Tainted: [W]=WARN
[   56.755380][  T581] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   56.755383][  T581] Call Trace:
[   56.755385][  T581]  <TASK>
[   56.755387][  T581]  dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120)
[   56.755394][  T581]  ? vprintk_emit (kernel/printk/printk.c:2471)
[   56.755397][  T581]  __might_resched.cold (kernel/sched/core.c:9234)
[   56.755403][  T581]  ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3))
[   56.755408][  T581]  ? __kmalloc_noprof (./include/linux/sched/mm.h:317 mm/slub.c:4636 mm/slub.c:4974 mm/slub.c:5413 mm/slub.c:5439)
[   56.755415][  T581]  __kmalloc_noprof (./include/linux/sched/mm.h:322 (discriminator 2) mm/slub.c:4636 (discriminator 2) mm/slub.c:4974 (discriminator 2) mm/slub.c:5413 (discriminator 2) mm/slub.c:5439 (discriminator 2))
[   56.755419][  T581]  ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[   56.755429][  T581]  ? do_raw_spin_unlock (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:32 ./include/asm-generic/qspinlock.h:58 kernel/locking/spinlock_debug.c:101 kernel/locking/spinlock_debug.c:141)
[   56.755433][  T581]  alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[   56.755439][  T581]  put_chars (drivers/char/virtio_console.c:1176)
[   56.755443][  T581]  ? __send_to_port (drivers/char/virtio_console.c:654)
[   56.755449][  T581]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380)
[   56.755454][  T581]  ? validate_chain (kernel/locking/lockdep.c:3817 (discriminator 2) kernel/locking/lockdep.c:3837 (discriminator 2) kernel/locking/lockdep.c:3892 (discriminator 2))
[   56.755462][  T581]  hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2))
[   56.755467][  T581]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   56.755469][  T581]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   56.755478][  T581]  ? hvc_write (drivers/tty/hvc/hvc_console.c:501)
[   56.755484][  T581]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   56.755487][  T581]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   56.755495][  T581]  console_emit_next_record (kernel/printk/printk.c:3183)
[   56.755501][  T581]  ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20)
[   56.755503][  T581]  ? console_flush_one_record (./include/linux/rcupdate.h:314 (discriminator 2) ./include/linux/srcu.h:439 (discriminator 2) kernel/printk/printk.c:291 (discriminator 2) kernel/printk/printk.c:3246 (discriminator 2))
[   56.755508][  T581]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   56.755511][  T581]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   56.755519][  T581]  console_flush_one_record (kernel/printk/printk.c:3268)
[   56.755526][  T581]  ? console_emit_next_record (kernel/printk/printk.c:3150)
[   56.755528][  T581]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   56.755537][  T581]  console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420)
[   56.755542][  T581]  ? console_flush_one_record (kernel/printk/printk.c:3316)
[   56.755544][  T581]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   56.755547][  T581]  ? lock_acquire (kernel/locking/lockdep.c:5913)
[   56.755554][  T581]  ? __down_trylock_console_sem (kernel/printk/printk.c:334)
[   56.755557][  T581]  ? vprintk_emit (kernel/printk/printk.c:2478)
[   56.755562][  T581]  vprintk_emit (kernel/printk/printk.c:2479)
[   56.755568][  T581]  ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126))
[   56.755571][  T581]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   56.755574][  T581]  ? save_trace (kernel/locking/lockdep.c:154 (discriminator 6) kernel/locking/lockdep.c:150 (discriminator 6) kernel/locking/lockdep.c:202 (discriminator 6) kernel/locking/lockdep.c:577 (discriminator 6))
[   56.755577][  T581]  ? find_held_lock (kernel/locking/lockdep.c:5360)
[   56.755584][  T581]  _printk (kernel/printk/printk.c:2504)
[   56.755589][  T581]  ? snapshot_read.cold (user.c:?)
[   56.755592][  T581]  ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4116 (discriminator 3) kernel/rcu/tree.c:4108 (discriminator 3))
[   56.755597][  T581]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380)
[   56.755600][  T581]  ? validate_chain (kernel/locking/lockdep.c:3817 (discriminator 2) kernel/locking/lockdep.c:3837 (discriminator 2) kernel/locking/lockdep.c:3892 (discriminator 2))
[   56.755604][  T581]  ? netdev_name (./include/linux/netdevice.h:5709 (discriminator 1))
[   56.755608][  T581]  ? __netdev_printk (net/core/dev.c:13148 (discriminator 2))
[   56.755613][  T581]  ? do_setlink.isra.0 (net/core/rtnetlink.c:3246)
[   56.755617][  T581]  netdev_info (net/core/dev.c:13195 (discriminator 3))
[   56.755621][  T581]  ? netdev_notice (net/core/dev.c:13194)
[   56.755625][  T581]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[   56.755630][  T581]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554)
[   56.755635][  T581]  ? mark_held_locks (kernel/locking/lockdep.c:4341)
[   56.755641][  T581]  ? do_setlink.isra.0 (net/core/rtnetlink.c:3246)
[   56.755645][  T581]  netif_change_name.cold (net/core/dev.c:1507 (discriminator 3))
[   56.755649][  T581]  ? 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))
[   56.755658][  T581]  ? netdev_adjacent_rename_links (net/core/dev.c:9598)
[   56.755662][  T581]  ? __kernel_text_address (kernel/extable.c:79)
[   56.755667][  T581]  ? write_profile (profile.c:?)
[   56.755673][  T581]  ? __asan_memset (mm/kasan/shadow.c:84 (discriminator 1))
[   56.755681][  T581]  do_setlink.isra.0 (net/core/rtnetlink.c:3246)
[   56.755689][  T581]  ? stack_trace_save (kernel/stacktrace.c:122 (discriminator 1))
[   56.755692][  T581]  ? rtnl_link_get_size (net/core/rtnetlink.c:747)
[   56.755694][  T581]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:388 kernel/rcu/update.c:380)
[   56.755697][  T581]  ? stack_depot_save_flags (lib/stackdepot.c:609 (discriminator 2) lib/stackdepot.c:676 (discriminator 2))
[   56.755702][  T581]  ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4116 (discriminator 3) kernel/rcu/tree.c:4108 (discriminator 3))
[   56.755706][  T581]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380)
[   56.755709][  T581]  ? validate_chain (kernel/locking/lockdep.c:3817 (discriminator 2) kernel/locking/lockdep.c:3837 (discriminator 2) kernel/locking/lockdep.c:3892 (discriminator 2))
[   56.755716][  T581]  ? kasan_save_stack (mm/kasan/common.c:58)
[   56.755720][  T581]  ? kasan_save_stack (mm/kasan/common.c:57)
[   56.755722][  T581]  ? kasan_save_track (mm/kasan/common.c:78)
[   56.755727][  T581]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   56.755730][  T581]  ? netlink_update_listeners (net/netlink/af_netlink.c:532)
[   56.755734][  T581]  ? ___sys_sendmsg (net/socket.c:2744 net/socket.c:2763)
[   56.755742][  T581]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2))
[   56.755745][  T581]  ? rtnl_newlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:366 net/core/rtnetlink.c:4214)
[   56.755750][  T581]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   56.755753][  T581]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   56.755756][  T581]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   56.755758][  T581]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   56.755761][  T581]  ? trace_contention_end (./include/trace/events/lock.h:121 (discriminator 22))
[   56.755765][  T581]  ? __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)
[   56.755770][  T581]  ? __mutex_lock (kernel/locking/mutex.c:656 (discriminator 1) kernel/locking/mutex.c:821 (discriminator 1))
[   56.755774][  T581]  ? rtnl_newlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:366 net/core/rtnetlink.c:4214)
[   56.755780][  T581]  ? ww_mutex_lock (kernel/locking/mutex.c:934)
[   56.755783][  T581]  ? nla_get_range_signed (lib/nlattr.c:270)
[   56.755793][  T581]  ? __rtnl_newlink (net/core/rtnetlink.c:4063)
[   56.755802][  T581]  rtnl_newlink (net/core/rtnetlink.c:4215)
[   56.755817][  T581]  ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558)
[   56.755820][  T581]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   56.755828][  T581]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2))
[   56.755831][  T581]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[   56.755835][  T581]  ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558)
[   56.755838][  T581]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554)
[   56.755845][  T581]  ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558)
[   56.755849][  T581]  rtnetlink_rcv_msg (net/core/rtnetlink.c:7132)
[   56.755854][  T581]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   56.755856][  T581]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   56.755865][  T581]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2))
[   56.755868][  T581]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[   56.755875][  T581]  netlink_rcv_skb (net/netlink/af_netlink.c:2556)
[   56.755878][  T581]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   56.755883][  T581]  ? netlink_ack (./include/linux/skbuff.h:2718)
[   56.755894][  T581]  ? 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))
[   56.755896][  T581]  ? 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))
[   56.755904][  T581]  netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[   56.755911][  T581]  ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[   56.755916][  T581]  ? __lock_acquire (kernel/locking/lockdep.c:5251 (discriminator 3))
[   56.755923][  T581]  netlink_sendmsg (net/netlink/af_netlink.c:1900)
[   56.755930][  T581]  ? netlink_unicast (./include/net/net_namespace.h:422 (discriminator 7))
[   56.755932][  T581]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554)
[   56.755938][  T581]  ? __might_fault (mm/memory.c:7482 (discriminator 5))
[   56.755943][  T581]  ? __might_fault (mm/memory.c:7482 (discriminator 5))
[   56.755950][  T581]  ____sys_sendmsg (net/socket.c:800 (discriminator 4) net/socket.c:815 (discriminator 4) net/socket.c:2713 (discriminator 4))
[   56.755954][  T581]  ? copy_msghdr_from_user (net/socket.c:2650)
[   56.755958][  T581]  ? get_timestamp.constprop.0 (./include/linux/netdevice.h:5399)
[   56.755961][  T581]  ? move_addr_to_kernel (./include/linux/audit.h:354 (discriminator 1))
[   56.755974][  T581]  ___sys_sendmsg (net/socket.c:2767)
[   56.755979][  T581]  ? copy_msghdr_from_user (net/socket.c:2619)
[   56.756009][  T581]  __sys_sendmsg (net/socket.c:2799)
[   56.756014][  T581]  ? __sys_sendmsg_sock (net/socket.c:2780)
[   56.756025][  T581]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   56.756031][  T581]  do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84)
[   56.756035][  T581]  ? exc_page_fault (arch/x86/mm/fault.c:1489 (discriminator 3) arch/x86/mm/fault.c:1536 (discriminator 3))
[   56.756040][  T581]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[   56.756044][  T581] RIP: 0033:0x7f9d5758054e
[   56.756049][  T581] 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
[   56.756052][  T581] RSP: 002b:00007ffde7fe6df0 EFLAGS: 00000202 ORIG_RAX: 000000000000002e
[   56.756056][  T581] RAX: ffffffffffffffda RBX: 0000000000000003 RCX: 00007f9d5758054e
[   56.756058][  T581] RDX: 0000000000000000 RSI: 00007ffde7fe6ea0 RDI: 0000000000000005
[   56.756059][  T581] RBP: 00007ffde7fe6e00 R08: 0000000000000000 R09: 0000000000000000
[   56.756061][  T581] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a90d7bc
[   56.756063][  T581] R13: 00000000004a1620 R14: 0000000000000000 R15: 00007ffde7fe7570
| [   58.006547][  T587] softirqs last disabled at (34338): netif_change_name (./include/linux/spinlock.h:353 ./include/linux/seqlock.h:908 net/core/dev.c:1499)
| [   58.006551][  T587] Preemption disabled at:
| [   58.006552][  T587] vprintk_emit (kernel/printk/printk.c:2471)
| [   58.006564][  T587] Tainted: [W]=WARN
[   58.006565][  T587] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   58.006568][  T587] Call Trace:
[   58.006570][  T587]  <TASK>
[   58.006573][  T587]  dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120)
[   58.006580][  T587]  ? vprintk_emit (kernel/printk/printk.c:2471)
[   58.006582][  T587]  __might_resched.cold (kernel/sched/core.c:9234)
[   58.006589][  T587]  ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3))
[   58.006594][  T587]  ? __kmalloc_noprof (./include/linux/sched/mm.h:317 mm/slub.c:4636 mm/slub.c:4974 mm/slub.c:5413 mm/slub.c:5439)
[   58.006602][  T587]  __kmalloc_noprof (./include/linux/sched/mm.h:322 (discriminator 2) mm/slub.c:4636 (discriminator 2) mm/slub.c:4974 (discriminator 2) mm/slub.c:5413 (discriminator 2) mm/slub.c:5439 (discriminator 2))
[   58.006605][  T587]  ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[   58.006614][  T587]  ? do_raw_spin_unlock (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:32 ./include/asm-generic/qspinlock.h:58 kernel/locking/spinlock_debug.c:101 kernel/locking/spinlock_debug.c:141)
[   58.006618][  T587]  alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[   58.006624][  T587]  put_chars (drivers/char/virtio_console.c:1176)
[   58.006628][  T587]  ? __send_to_port (drivers/char/virtio_console.c:654)
[   58.006634][  T587]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380)
[   58.006640][  T587]  ? validate_chain (kernel/locking/lockdep.c:3817 (discriminator 2) kernel/locking/lockdep.c:3837 (discriminator 2) kernel/locking/lockdep.c:3892 (discriminator 2))
[   58.006648][  T587]  hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2))
[   58.006652][  T587]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   58.006655][  T587]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   58.006663][  T587]  ? hvc_write (drivers/tty/hvc/hvc_console.c:501)
[   58.006669][  T587]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   58.006673][  T587]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   58.006680][  T587]  console_emit_next_record (kernel/printk/printk.c:3183)
[   58.006685][  T587]  ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20)
[   58.006688][  T587]  ? console_flush_one_record (./include/linux/rcupdate.h:314 (discriminator 2) ./include/linux/srcu.h:439 (discriminator 2) kernel/printk/printk.c:291 (discriminator 2) kernel/printk/printk.c:3246 (discriminator 2))
[   58.006692][  T587]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   58.006696][  T587]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   58.006703][  T587]  console_flush_one_record (kernel/printk/printk.c:3268)
[   58.006710][  T587]  ? console_emit_next_record (kernel/printk/printk.c:3150)
[   58.006716][  T587]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   58.006726][  T587]  console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420)
[   58.006730][  T587]  ? console_flush_one_record (kernel/printk/printk.c:3316)
[   58.006732][  T587]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   58.006735][  T587]  ? lock_acquire (kernel/locking/lockdep.c:5913)
[   58.006742][  T587]  ? __down_trylock_console_sem (kernel/printk/printk.c:334)
[   58.006745][  T587]  ? vprintk_emit (kernel/printk/printk.c:2478)
[   58.006751][  T587]  vprintk_emit (kernel/printk/printk.c:2479)
[   58.006756][  T587]  ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126))
[   58.006760][  T587]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   58.006763][  T587]  ? save_trace (kernel/locking/lockdep.c:154 (discriminator 6) kernel/locking/lockdep.c:150 (discriminator 6) kernel/locking/lockdep.c:202 (discriminator 6) kernel/locking/lockdep.c:577 (discriminator 6))
[   58.006766][  T587]  ? find_held_lock (kernel/locking/lockdep.c:5360)
[   58.006773][  T587]  _printk (kernel/printk/printk.c:2504)
[   58.006779][  T587]  ? snapshot_read.cold (user.c:?)
[   58.006781][  T587]  ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4116 (discriminator 3) kernel/rcu/tree.c:4108 (discriminator 3))
[   58.006786][  T587]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380)
[   58.006790][  T587]  ? validate_chain (kernel/locking/lockdep.c:3817 (discriminator 2) kernel/locking/lockdep.c:3837 (discriminator 2) kernel/locking/lockdep.c:3892 (discriminator 2))
[   58.006794][  T587]  ? netdev_name (./include/linux/netdevice.h:5709 (discriminator 1))
[   58.006798][  T587]  ? __netdev_printk (net/core/dev.c:13148 (discriminator 2))
[   58.006803][  T587]  ? do_setlink.isra.0 (net/core/rtnetlink.c:3246)
[   58.006807][  T587]  netdev_info (net/core/dev.c:13195 (discriminator 3))
[   58.006811][  T587]  ? netdev_notice (net/core/dev.c:13194)
[   58.006816][  T587]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[   58.006826][  T587]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554)
[   58.006831][  T587]  ? mark_held_locks (kernel/locking/lockdep.c:4341)
[   58.006837][  T587]  ? do_setlink.isra.0 (net/core/rtnetlink.c:3246)
[   58.006841][  T587]  netif_change_name.cold (net/core/dev.c:1507 (discriminator 3))
[   58.006846][  T587]  ? is_bpf_text_address (./include/linux/rcupdate.h:319 (discriminator 2) ./include/linux/rcupdate.h:880 (discriminator 2) kernel/bpf/core.c:751 (discriminator 2))
[   58.006856][  T587]  ? netdev_adjacent_rename_links (net/core/dev.c:9598)
[   58.006860][  T587]  ? __kernel_text_address (kernel/extable.c:79)
[   58.006864][  T587]  ? write_profile (profile.c:?)
[   58.006870][  T587]  ? __asan_memset (mm/kasan/shadow.c:84 (discriminator 1))
[   58.006879][  T587]  do_setlink.isra.0 (net/core/rtnetlink.c:3246)
[   58.006887][  T587]  ? stack_trace_save (kernel/stacktrace.c:122 (discriminator 1))
[   58.006890][  T587]  ? rtnl_link_get_size (net/core/rtnetlink.c:747)
[   58.006892][  T587]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:388 kernel/rcu/update.c:380)
[   58.006896][  T587]  ? stack_depot_save_flags (lib/stackdepot.c:609 (discriminator 2) lib/stackdepot.c:676 (discriminator 2))
[   58.006901][  T587]  ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4116 (discriminator 3) kernel/rcu/tree.c:4108 (discriminator 3))
[   58.006904][  T587]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380)
[   58.006907][  T587]  ? validate_chain (kernel/locking/lockdep.c:3817 (discriminator 2) kernel/locking/lockdep.c:3837 (discriminator 2) kernel/locking/lockdep.c:3892 (discriminator 2))
[   58.006912][  T587]  ? kasan_save_stack (mm/kasan/common.c:58)
[   58.006917][  T587]  ? kasan_save_stack (mm/kasan/common.c:57)
[   58.006919][  T587]  ? kasan_save_track (mm/kasan/common.c:78)
[   58.006924][  T587]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   58.006927][  T587]  ? netlink_update_listeners (net/netlink/af_netlink.c:532)
[   58.006931][  T587]  ? ___sys_sendmsg (net/socket.c:2744 net/socket.c:2763)
[   58.006939][  T587]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2))
[   58.006942][  T587]  ? rtnl_newlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:366 net/core/rtnetlink.c:4214)
[   58.006947][  T587]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   58.006951][  T587]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   58.006953][  T587]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   58.006955][  T587]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   58.006959][  T587]  ? trace_contention_end (./include/trace/events/lock.h:121 (discriminator 22))
[   58.006963][  T587]  ? __mutex_lock (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:3188 kernel/locking/mutex.c:89 kernel/locking/mutex.c:134 kernel/locking/mutex.c:649 kernel/locking/mutex.c:821)
[   58.006967][  T587]  ? __mutex_lock (kernel/locking/mutex.c:656 (discriminator 1) kernel/locking/mutex.c:821 (discriminator 1))
[   58.006972][  T587]  ? rtnl_newlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:366 net/core/rtnetlink.c:4214)
[   58.006978][  T587]  ? ww_mutex_lock (kernel/locking/mutex.c:934)
[   58.006981][  T587]  ? nla_get_range_signed (lib/nlattr.c:270)
[   58.006991][  T587]  ? __rtnl_newlink (net/core/rtnetlink.c:4063)
[   58.007001][  T587]  rtnl_newlink (net/core/rtnetlink.c:4215)
[   58.007011][  T587]  ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558)
[   58.007015][  T587]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   58.007023][  T587]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2))
[   58.007027][  T587]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[   58.007030][  T587]  ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558)
[   58.007034][  T587]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554)
[   58.007041][  T587]  ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558)
[   58.007044][  T587]  rtnetlink_rcv_msg (net/core/rtnetlink.c:7132)
[   58.007050][  T587]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   58.007052][  T587]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   58.007061][  T587]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2))
[   58.007064][  T587]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[   58.007071][  T587]  netlink_rcv_skb (net/netlink/af_netlink.c:2556)
[   58.007074][  T587]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   58.007079][  T587]  ? netlink_ack (./include/linux/skbuff.h:2718)
[   58.007091][  T587]  ? netlink_deliver_tap (./include/linux/rcupdate.h:319 (discriminator 2) ./include/linux/rcupdate.h:880 (discriminator 2) ./include/net/netns/generic.h:48 (discriminator 2) net/netlink/af_netlink.c:334 (discriminator 2))
[   58.007093][  T587]  ? netlink_deliver_tap (./include/linux/rcupdate.h:319 (discriminator 2) ./include/linux/rcupdate.h:880 (discriminator 2) net/netlink/af_netlink.c:341 (discriminator 2))
[   58.007101][  T587]  netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[   58.007108][  T587]  ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[   58.007113][  T587]  ? __lock_acquire (kernel/locking/lockdep.c:5251 (discriminator 3))
[   58.007120][  T587]  netlink_sendmsg (net/netlink/af_netlink.c:1900)
[   58.007127][  T587]  ? netlink_unicast (./include/net/net_namespace.h:422 (discriminator 7))
[   58.007129][  T587]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554)
[   58.007134][  T587]  ? __might_fault (mm/memory.c:7482 (discriminator 5))
[   58.007139][  T587]  ? __might_fault (mm/memory.c:7482 (discriminator 5))
[   58.007147][  T587]  ____sys_sendmsg (net/socket.c:800 (discriminator 4) net/socket.c:815 (discriminator 4) net/socket.c:2713 (discriminator 4))
[   58.007151][  T587]  ? copy_msghdr_from_user (net/socket.c:2650)
[   58.007154][  T587]  ? get_timestamp.constprop.0 (./include/linux/netdevice.h:5399)
[   58.007157][  T587]  ? move_addr_to_kernel (./include/linux/audit.h:354 (discriminator 1))
[   58.007171][  T587]  ___sys_sendmsg (net/socket.c:2767)
[   58.007176][  T587]  ? copy_msghdr_from_user (net/socket.c:2619)
[   58.007207][  T587]  __sys_sendmsg (net/socket.c:2799)
[   58.007212][  T587]  ? __sys_sendmsg_sock (net/socket.c:2780)
[   58.007224][  T587]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   58.007230][  T587]  do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84)
[   58.007234][  T587]  ? exc_page_fault (arch/x86/mm/fault.c:1489 (discriminator 3) arch/x86/mm/fault.c:1536 (discriminator 3))
[   58.007241][  T587]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[   58.007246][  T587] RIP: 0033:0x7f23312f154e
[   58.007251][  T587] Code: 4d 89 d8 e8 b4 bd 00 00 4c 8b 5d f8 41 8b 93 08 03 00 00 59 5e 48 83 f8 fc 74 11 c9 c3 0f 1f 80 00 00 00 00 48 8b 45 10 0f 05 <c9> c3 83 e2 39 83 fa 08 75 e7 e8 03 ff ff ff 0f 1f 00 f3 0f 1e fa
All code
========
   0:	4d 89 d8             	mov    %r11,%r8
   3:	e8 b4 bd 00 00       	call   0xbdbc
   8:	4c 8b 5d f8          	mov    -0x8(%rbp),%r11
   c:	41 8b 93 08 03 00 00 	mov    0x308(%r11),%edx
  13:	59                   	pop    %rcx
  14:	5e                   	pop    %rsi
  15:	48 83 f8 fc          	cmp    $0xfffffffffffffffc,%rax
  19:	74 11                	je     0x2c
  1b:	c9                   	leave
  1c:	c3                   	ret
  1d:	0f 1f 80 00 00 00 00 	nopl   0x0(%rax)
  24:	48 8b 45 10          	mov    0x10(%rbp),%rax
  28:	0f 05                	syscall
  2a:*	c9                   	leave		<-- trapping instruction
  2b:	c3                   	ret
  2c:	83 e2 39             	and    $0x39,%edx
  2f:	83 fa 08             	cmp    $0x8,%edx
  32:	75 e7                	jne    0x1b
  34:	e8 03 ff ff ff       	call   0xffffffffffffff3c
  39:	0f 1f 00             	nopl   (%rax)
  3c:	f3 0f 1e fa          	endbr64

Code starting with the faulting instruction
===========================================
   0:	c9                   	leave
   1:	c3                   	ret
   2:	83 e2 39             	and    $0x39,%edx
   5:	83 fa 08             	cmp    $0x8,%edx
   8:	75 e7                	jne    0xfffffffffffffff1
   a:	e8 03 ff ff ff       	call   0xffffffffffffff12
   f:	0f 1f 00             	nopl   (%rax)
  12:	f3 0f 1e fa          	endbr64
[   58.007253][  T587] RSP: 002b:00007ffc82e15010 EFLAGS: 00000202 ORIG_RAX: 000000000000002e
[   58.007257][  T587] RAX: ffffffffffffffda RBX: 0000000000000003 RCX: 00007f23312f154e
[   58.007260][  T587] RDX: 0000000000000000 RSI: 00007ffc82e150c0 RDI: 0000000000000005
[   58.007261][  T587] RBP: 00007ffc82e15020 R08: 0000000000000000 R09: 0000000000000000
[   58.007263][  T587] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a90d7bd
[   58.007264][  T587] R13: 00000000004a1620 R14: 0000000000000000 R15: 00007ffc82e15790
| [   59.099155][  T592] softirqs last disabled at (39568): netif_change_name (./include/linux/spinlock.h:353 ./include/linux/seqlock.h:908 net/core/dev.c:1499)
| [   59.099159][  T592] Preemption disabled at:
| [   59.099160][  T592] vprintk_emit (kernel/printk/printk.c:2471)
| [   59.099172][  T592] Tainted: [W]=WARN
[   59.099173][  T592] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   59.099176][  T592] Call Trace:
[   59.099178][  T592]  <TASK>
[   59.099180][  T592]  dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120)
[   59.099187][  T592]  ? vprintk_emit (kernel/printk/printk.c:2471)
[   59.099190][  T592]  __might_resched.cold (kernel/sched/core.c:9234)
[   59.099197][  T592]  ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3))
[   59.099202][  T592]  ? __kmalloc_noprof (./include/linux/sched/mm.h:317 mm/slub.c:4636 mm/slub.c:4974 mm/slub.c:5413 mm/slub.c:5439)
[   59.099209][  T592]  __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))
[   59.099213][  T592]  ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[   59.099223][  T592]  ? 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)
[   59.099227][  T592]  alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[   59.099233][  T592]  put_chars (drivers/char/virtio_console.c:1176)
[   59.099239][  T592]  ? __send_to_port (drivers/char/virtio_console.c:654)
[   59.099247][  T592]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380)
[   59.099252][  T592]  ? validate_chain (kernel/locking/lockdep.c:3817 (discriminator 2) kernel/locking/lockdep.c:3837 (discriminator 2) kernel/locking/lockdep.c:3892 (discriminator 2))
[   59.099260][  T592]  hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2))
[   59.099265][  T592]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   59.099267][  T592]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   59.099276][  T592]  ? hvc_write (drivers/tty/hvc/hvc_console.c:501)
[   59.099282][  T592]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   59.099286][  T592]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   59.099294][  T592]  console_emit_next_record (kernel/printk/printk.c:3183)
[   59.099300][  T592]  ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20)
[   59.099302][  T592]  ? 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))
[   59.099307][  T592]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   59.099311][  T592]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   59.099318][  T592]  console_flush_one_record (kernel/printk/printk.c:3268)
[   59.099325][  T592]  ? console_emit_next_record (kernel/printk/printk.c:3150)
[   59.099328][  T592]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   59.099338][  T592]  console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420)
[   59.099342][  T592]  ? console_flush_one_record (kernel/printk/printk.c:3316)
[   59.099344][  T592]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   59.099348][  T592]  ? lock_acquire (kernel/locking/lockdep.c:5913)
[   59.099355][  T592]  ? __down_trylock_console_sem (kernel/printk/printk.c:334)
[   59.099358][  T592]  ? vprintk_emit (kernel/printk/printk.c:2478)
[   59.099364][  T592]  vprintk_emit (kernel/printk/printk.c:2479)
[   59.099369][  T592]  ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126))
[   59.099373][  T592]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   59.099376][  T592]  ? save_trace (kernel/locking/lockdep.c:154 (discriminator 6) kernel/locking/lockdep.c:150 (discriminator 6) kernel/locking/lockdep.c:202 (discriminator 6) kernel/locking/lockdep.c:577 (discriminator 6))
[   59.099379][  T592]  ? find_held_lock (kernel/locking/lockdep.c:5360)
[   59.099386][  T592]  _printk (kernel/printk/printk.c:2504)
[   59.099392][  T592]  ? snapshot_read.cold (user.c:?)
[   59.099394][  T592]  ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4116 (discriminator 3) kernel/rcu/tree.c:4108 (discriminator 3))
[   59.099399][  T592]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380)
[   59.099403][  T592]  ? validate_chain (kernel/locking/lockdep.c:3817 (discriminator 2) kernel/locking/lockdep.c:3837 (discriminator 2) kernel/locking/lockdep.c:3892 (discriminator 2))
[   59.099406][  T592]  ? netdev_name (./include/linux/netdevice.h:5709 (discriminator 1))
[   59.099411][  T592]  ? __netdev_printk (net/core/dev.c:13148 (discriminator 2))
[   59.099416][  T592]  ? do_setlink.isra.0 (net/core/rtnetlink.c:3246)
[   59.099420][  T592]  netdev_info (net/core/dev.c:13195 (discriminator 3))
[   59.099425][  T592]  ? netdev_notice (net/core/dev.c:13194)
[   59.099429][  T592]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[   59.099435][  T592]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554)
[   59.099439][  T592]  ? mark_held_locks (kernel/locking/lockdep.c:4341)
[   59.099446][  T592]  ? do_setlink.isra.0 (net/core/rtnetlink.c:3246)
[   59.099450][  T592]  netif_change_name.cold (net/core/dev.c:1507 (discriminator 3))
[   59.099455][  T592]  ? 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))
[   59.099464][  T592]  ? netdev_adjacent_rename_links (net/core/dev.c:9598)
[   59.099469][  T592]  ? __kernel_text_address (kernel/extable.c:79)
[   59.099473][  T592]  ? write_profile (profile.c:?)
[   59.099479][  T592]  ? __asan_memset (mm/kasan/shadow.c:84 (discriminator 1))
[   59.099488][  T592]  do_setlink.isra.0 (net/core/rtnetlink.c:3246)
[   59.099495][  T592]  ? stack_trace_save (kernel/stacktrace.c:122 (discriminator 1))
[   59.099499][  T592]  ? rtnl_link_get_size (net/core/rtnetlink.c:747)
[   59.099502][  T592]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:388 kernel/rcu/update.c:380)
[   59.099505][  T592]  ? stack_depot_save_flags (lib/stackdepot.c:609 (discriminator 2) lib/stackdepot.c:676 (discriminator 2))
[   59.099510][  T592]  ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4116 (discriminator 3) kernel/rcu/tree.c:4108 (discriminator 3))
[   59.099514][  T592]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380)
[   59.099517][  T592]  ? validate_chain (kernel/locking/lockdep.c:3817 (discriminator 2) kernel/locking/lockdep.c:3837 (discriminator 2) kernel/locking/lockdep.c:3892 (discriminator 2))
[   59.099522][  T592]  ? kasan_save_stack (mm/kasan/common.c:58)
[   59.099526][  T592]  ? kasan_save_stack (mm/kasan/common.c:57)
[   59.099529][  T592]  ? kasan_save_track (mm/kasan/common.c:78)
[   59.099533][  T592]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   59.099537][  T592]  ? netlink_update_listeners (net/netlink/af_netlink.c:532)
[   59.099541][  T592]  ? ___sys_sendmsg (net/socket.c:2744 net/socket.c:2763)
[   59.099549][  T592]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2))
[   59.099552][  T592]  ? rtnl_newlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:366 net/core/rtnetlink.c:4214)
[   59.099557][  T592]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   59.099560][  T592]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   59.099563][  T592]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   59.099565][  T592]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   59.099568][  T592]  ? trace_contention_end (./include/trace/events/lock.h:121 (discriminator 22))
[   59.099573][  T592]  ? __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)
[   59.099577][  T592]  ? __mutex_lock (kernel/locking/mutex.c:656 (discriminator 1) kernel/locking/mutex.c:821 (discriminator 1))
[   59.099581][  T592]  ? rtnl_newlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:366 net/core/rtnetlink.c:4214)
[   59.099587][  T592]  ? ww_mutex_lock (kernel/locking/mutex.c:934)
[   59.099591][  T592]  ? nla_get_range_signed (lib/nlattr.c:270)
[   59.099601][  T592]  ? __rtnl_newlink (net/core/rtnetlink.c:4063)
[   59.099611][  T592]  rtnl_newlink (net/core/rtnetlink.c:4215)
[   59.099622][  T592]  ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558)
[   59.099625][  T592]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   59.099633][  T592]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2))
[   59.099637][  T592]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[   59.099640][  T592]  ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558)
[   59.099644][  T592]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554)
[   59.099651][  T592]  ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558)
[   59.099654][  T592]  rtnetlink_rcv_msg (net/core/rtnetlink.c:7132)
[   59.099660][  T592]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   59.099662][  T592]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   59.099674][  T592]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2))
[   59.099678][  T592]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[   59.099684][  T592]  netlink_rcv_skb (net/netlink/af_netlink.c:2556)
[   59.099687][  T592]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   59.099693][  T592]  ? netlink_ack (./include/linux/skbuff.h:2718)
[   59.099705][  T592]  ? 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))
[   59.099707][  T592]  ? 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))
[   59.099715][  T592]  netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[   59.099722][  T592]  ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[   59.099727][  T592]  ? __lock_acquire (kernel/locking/lockdep.c:5251 (discriminator 3))
[   59.099735][  T592]  netlink_sendmsg (net/netlink/af_netlink.c:1900)
[   59.099742][  T592]  ? netlink_unicast (./include/net/net_namespace.h:422 (discriminator 7))
[   59.099744][  T592]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554)
[   59.099750][  T592]  ? __might_fault (mm/memory.c:7482 (discriminator 5))
[   59.099755][  T592]  ? __might_fault (mm/memory.c:7482 (discriminator 5))
[   59.099762][  T592]  ____sys_sendmsg (net/socket.c:800 (discriminator 4) net/socket.c:815 (discriminator 4) net/socket.c:2713 (discriminator 4))
[   59.099766][  T592]  ? copy_msghdr_from_user (net/socket.c:2650)
[   59.099770][  T592]  ? get_timestamp.constprop.0 (./include/linux/netdevice.h:5399)
[   59.099772][  T592]  ? move_addr_to_kernel (./include/linux/audit.h:354 (discriminator 1))
[   59.099787][  T592]  ___sys_sendmsg (net/socket.c:2767)
[   59.099791][  T592]  ? copy_msghdr_from_user (net/socket.c:2619)
[   59.099823][  T592]  __sys_sendmsg (net/socket.c:2799)
[   59.099829][  T592]  ? __sys_sendmsg_sock (net/socket.c:2780)
[   59.099846][  T592]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   59.099852][  T592]  do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84)
[   59.099855][  T592]  ? exc_page_fault (arch/x86/mm/fault.c:1489 (discriminator 3) arch/x86/mm/fault.c:1536 (discriminator 3))
[   59.099861][  T592]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[   59.099865][  T592] RIP: 0033:0x7fe122e0354e
[   59.099870][  T592] 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
[   59.099873][  T592] RSP: 002b:00007ffc3c0fcae0 EFLAGS: 00000202 ORIG_RAX: 000000000000002e
[   59.099877][  T592] RAX: ffffffffffffffda RBX: 0000000000000003 RCX: 00007fe122e0354e
[   59.099879][  T592] RDX: 0000000000000000 RSI: 00007ffc3c0fcb90 RDI: 0000000000000005
[   59.099880][  T592] RBP: 00007ffc3c0fcaf0 R08: 0000000000000000 R09: 0000000000000000
[   59.099882][  T592] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a90d7be
[   59.099884][  T592] R13: 00000000004a1620 R14: 0000000000000000 R15: 00007ffc3c0fd260
| [   60.187118][  T598] softirqs last disabled at (31862): netif_change_name (./include/linux/spinlock.h:353 ./include/linux/seqlock.h:908 net/core/dev.c:1499)
| [   60.187120][  T598] Preemption disabled at:
| [   60.187121][  T598] vprintk_emit (kernel/printk/printk.c:2471)
| [   60.187130][  T598] Tainted: [W]=WARN
[   60.187131][  T598] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   60.187133][  T598] Call Trace:
[   60.187134][  T598]  <TASK>
[   60.187136][  T598]  dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120)
[   60.187142][  T598]  ? vprintk_emit (kernel/printk/printk.c:2471)
[   60.187143][  T598]  __might_resched.cold (kernel/sched/core.c:9234)
[   60.187148][  T598]  ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3))
[   60.187151][  T598]  ? __kmalloc_noprof (./include/linux/sched/mm.h:317 mm/slub.c:4636 mm/slub.c:4974 mm/slub.c:5413 mm/slub.c:5439)
[   60.187156][  T598]  __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))
[   60.187159][  T598]  ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[   60.187165][  T598]  ? 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)
[   60.187168][  T598]  alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[   60.187172][  T598]  put_chars (drivers/char/virtio_console.c:1176)
[   60.187175][  T598]  ? __send_to_port (drivers/char/virtio_console.c:654)
[   60.187179][  T598]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380)
[   60.187183][  T598]  ? validate_chain (kernel/locking/lockdep.c:3817 (discriminator 2) kernel/locking/lockdep.c:3837 (discriminator 2) kernel/locking/lockdep.c:3892 (discriminator 2))
[   60.187188][  T598]  hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2))
[   60.187191][  T598]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   60.187193][  T598]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   60.187198][  T598]  ? hvc_write (drivers/tty/hvc/hvc_console.c:501)
[   60.187202][  T598]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   60.187204][  T598]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   60.187209][  T598]  console_emit_next_record (kernel/printk/printk.c:3183)
[   60.187212][  T598]  ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20)
[   60.187214][  T598]  ? 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))
[   60.187217][  T598]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   60.187219][  T598]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   60.187223][  T598]  console_flush_one_record (kernel/printk/printk.c:3268)
[   60.187227][  T598]  ? console_emit_next_record (kernel/printk/printk.c:3150)
[   60.187228][  T598]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   60.187234][  T598]  console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420)
[   60.187236][  T598]  ? console_flush_one_record (kernel/printk/printk.c:3316)
[   60.187238][  T598]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   60.187241][  T598]  ? lock_acquire (kernel/locking/lockdep.c:5913)
[   60.187245][  T598]  ? __down_trylock_console_sem (kernel/printk/printk.c:334)
[   60.187247][  T598]  ? vprintk_emit (kernel/printk/printk.c:2478)
[   60.187250][  T598]  vprintk_emit (kernel/printk/printk.c:2479)
[   60.187254][  T598]  ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126))
[   60.187256][  T598]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   60.187258][  T598]  ? save_trace (kernel/locking/lockdep.c:154 (discriminator 6) kernel/locking/lockdep.c:150 (discriminator 6) kernel/locking/lockdep.c:202 (discriminator 6) kernel/locking/lockdep.c:577 (discriminator 6))
[   60.187260][  T598]  ? find_held_lock (kernel/locking/lockdep.c:5360)
[   60.187264][  T598]  _printk (kernel/printk/printk.c:2504)
[   60.187268][  T598]  ? snapshot_read.cold (user.c:?)
[   60.187270][  T598]  ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4116 (discriminator 3) kernel/rcu/tree.c:4108 (discriminator 3))
[   60.187273][  T598]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380)
[   60.187275][  T598]  ? validate_chain (kernel/locking/lockdep.c:3817 (discriminator 2) kernel/locking/lockdep.c:3837 (discriminator 2) kernel/locking/lockdep.c:3892 (discriminator 2))
[   60.187277][  T598]  ? netdev_name (./include/linux/netdevice.h:5709 (discriminator 1))
[   60.187281][  T598]  ? __netdev_printk (net/core/dev.c:13148 (discriminator 2))
[   60.187284][  T598]  ? do_setlink.isra.0 (net/core/rtnetlink.c:3246)
[   60.187286][  T598]  netdev_info (net/core/dev.c:13195 (discriminator 3))
[   60.187289][  T598]  ? netdev_notice (net/core/dev.c:13194)
[   60.187291][  T598]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[   60.187295][  T598]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554)
[   60.187298][  T598]  ? mark_held_locks (kernel/locking/lockdep.c:4341)
[   60.187301][  T598]  ? do_setlink.isra.0 (net/core/rtnetlink.c:3246)
[   60.187304][  T598]  netif_change_name.cold (net/core/dev.c:1507 (discriminator 3))
[   60.187307][  T598]  ? 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))
[   60.187313][  T598]  ? netdev_adjacent_rename_links (net/core/dev.c:9598)
[   60.187316][  T598]  ? __kernel_text_address (kernel/extable.c:79)
[   60.187319][  T598]  ? write_profile (profile.c:?)
[   60.187323][  T598]  ? __asan_memset (mm/kasan/shadow.c:84 (discriminator 1))
[   60.187328][  T598]  do_setlink.isra.0 (net/core/rtnetlink.c:3246)
[   60.187334][  T598]  ? stack_trace_save (kernel/stacktrace.c:122 (discriminator 1))
[   60.187336][  T598]  ? rtnl_link_get_size (net/core/rtnetlink.c:747)
[   60.187337][  T598]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:388 kernel/rcu/update.c:380)
[   60.187339][  T598]  ? stack_depot_save_flags (lib/stackdepot.c:609 (discriminator 2) lib/stackdepot.c:676 (discriminator 2))
[   60.187343][  T598]  ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4116 (discriminator 3) kernel/rcu/tree.c:4108 (discriminator 3))
[   60.187345][  T598]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380)
[   60.187347][  T598]  ? validate_chain (kernel/locking/lockdep.c:3817 (discriminator 2) kernel/locking/lockdep.c:3837 (discriminator 2) kernel/locking/lockdep.c:3892 (discriminator 2))
[   60.187350][  T598]  ? kasan_save_stack (mm/kasan/common.c:58)
[   60.187353][  T598]  ? kasan_save_stack (mm/kasan/common.c:57)
[   60.187355][  T598]  ? kasan_save_track (mm/kasan/common.c:78)
[   60.187358][  T598]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   60.187360][  T598]  ? netlink_update_listeners (net/netlink/af_netlink.c:532)
[   60.187363][  T598]  ? ___sys_sendmsg (net/socket.c:2744 net/socket.c:2763)
[   60.187368][  T598]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2))
[   60.187371][  T598]  ? rtnl_newlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:366 net/core/rtnetlink.c:4214)
[   60.187373][  T598]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   60.187375][  T598]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   60.187377][  T598]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   60.187378][  T598]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   60.187380][  T598]  ? trace_contention_end (./include/trace/events/lock.h:121 (discriminator 22))
[   60.187383][  T598]  ? __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)
[   60.187386][  T598]  ? __mutex_lock (kernel/locking/mutex.c:656 (discriminator 1) kernel/locking/mutex.c:821 (discriminator 1))
[   60.187389][  T598]  ? rtnl_newlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:366 net/core/rtnetlink.c:4214)
[   60.187392][  T598]  ? ww_mutex_lock (kernel/locking/mutex.c:934)
[   60.187394][  T598]  ? nla_get_range_signed (lib/nlattr.c:270)
[   60.187400][  T598]  ? __rtnl_newlink (net/core/rtnetlink.c:4063)
[   60.187405][  T598]  rtnl_newlink (net/core/rtnetlink.c:4215)
[   60.187411][  T598]  ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558)
[   60.187413][  T598]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   60.187418][  T598]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2))
[   60.187420][  T598]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[   60.187422][  T598]  ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558)
[   60.187424][  T598]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554)
[   60.187428][  T598]  ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558)
[   60.187430][  T598]  rtnetlink_rcv_msg (net/core/rtnetlink.c:7132)
[   60.187434][  T598]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   60.187435][  T598]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   60.187440][  T598]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2))
[   60.187442][  T598]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[   60.187446][  T598]  netlink_rcv_skb (net/netlink/af_netlink.c:2556)
[   60.187448][  T598]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   60.187451][  T598]  ? netlink_ack (./include/linux/skbuff.h:2718)
[   60.187457][  T598]  ? 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))
[   60.187459][  T598]  ? 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))
[   60.187463][  T598]  netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[   60.187467][  T598]  ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[   60.187470][  T598]  ? __lock_acquire (kernel/locking/lockdep.c:5251 (discriminator 3))
[   60.187474][  T598]  netlink_sendmsg (net/netlink/af_netlink.c:1900)
[   60.187478][  T598]  ? netlink_unicast (./include/net/net_namespace.h:422 (discriminator 7))
[   60.187480][  T598]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554)
[   60.187483][  T598]  ? __might_fault (mm/memory.c:7482 (discriminator 5))
[   60.187487][  T598]  ? __might_fault (mm/memory.c:7482 (discriminator 5))
[   60.187491][  T598]  ____sys_sendmsg (net/socket.c:800 (discriminator 4) net/socket.c:815 (discriminator 4) net/socket.c:2713 (discriminator 4))
[   60.187494][  T598]  ? copy_msghdr_from_user (net/socket.c:2650)
[   60.187496][  T598]  ? get_timestamp.constprop.0 (./include/linux/netdevice.h:5399)
[   60.187498][  T598]  ? move_addr_to_kernel (./include/linux/audit.h:354 (discriminator 1))
[   60.187505][  T598]  ___sys_sendmsg (net/socket.c:2767)
[   60.187508][  T598]  ? copy_msghdr_from_user (net/socket.c:2619)
[   60.187525][  T598]  __sys_sendmsg (net/socket.c:2799)
[   60.187529][  T598]  ? __sys_sendmsg_sock (net/socket.c:2780)
[   60.187535][  T598]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   60.187539][  T598]  do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84)
[   60.187541][  T598]  ? exc_page_fault (arch/x86/mm/fault.c:1489 (discriminator 3) arch/x86/mm/fault.c:1536 (discriminator 3))
[   60.187545][  T598]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[   60.187547][  T598] RIP: 0033:0x7f0d29b5954e
[   60.187551][  T598] 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
[   60.187552][  T598] RSP: 002b:00007ffe3a227fd0 EFLAGS: 00000202 ORIG_RAX: 000000000000002e
[   60.187555][  T598] RAX: ffffffffffffffda RBX: 0000000000000003 RCX: 00007f0d29b5954e
[   60.187556][  T598] RDX: 0000000000000000 RSI: 00007ffe3a228080 RDI: 0000000000000005
[   60.187557][  T598] RBP: 00007ffe3a227fe0 R08: 0000000000000000 R09: 0000000000000000
[   60.187558][  T598] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a90d7bf
[   60.187559][  T598] R13: 00000000004a1620 R14: 0000000000000000 R15: 00007ffe3a228750
| [   61.200686][  T607] softirqs last disabled at (22290): netif_change_name (./include/linux/spinlock.h:353 ./include/linux/seqlock.h:908 net/core/dev.c:1499)
| [   61.200689][  T607] Preemption disabled at:
| [   61.200690][  T607] vprintk_emit (kernel/printk/printk.c:2471)
| [   61.200699][  T607] Tainted: [W]=WARN
[   61.200700][  T607] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   61.200701][  T607] Call Trace:
[   61.200703][  T607]  <TASK>
[   61.200705][  T607]  dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120)
[   61.200711][  T607]  ? vprintk_emit (kernel/printk/printk.c:2471)
[   61.200715][  T607]  __might_resched.cold (kernel/sched/core.c:9234)
[   61.200720][  T607]  ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3))
[   61.200723][  T607]  ? __kmalloc_noprof (./include/linux/sched/mm.h:317 mm/slub.c:4636 mm/slub.c:4974 mm/slub.c:5413 mm/slub.c:5439)
[   61.200728][  T607]  __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))
[   61.200731][  T607]  ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[   61.200737][  T607]  ? 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)
[   61.200740][  T607]  alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[   61.200744][  T607]  put_chars (drivers/char/virtio_console.c:1176)
[   61.200747][  T607]  ? __send_to_port (drivers/char/virtio_console.c:654)
[   61.200751][  T607]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380)
[   61.200755][  T607]  ? validate_chain (kernel/locking/lockdep.c:3817 (discriminator 2) kernel/locking/lockdep.c:3837 (discriminator 2) kernel/locking/lockdep.c:3892 (discriminator 2))
[   61.200759][  T607]  hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2))
[   61.200763][  T607]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   61.200765][  T607]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   61.200770][  T607]  ? hvc_write (drivers/tty/hvc/hvc_console.c:501)
[   61.200774][  T607]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   61.200776][  T607]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   61.200781][  T607]  console_emit_next_record (kernel/printk/printk.c:3183)
[   61.200785][  T607]  ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20)
[   61.200786][  T607]  ? 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))
[   61.200789][  T607]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   61.200791][  T607]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   61.200795][  T607]  console_flush_one_record (kernel/printk/printk.c:3268)
[   61.200799][  T607]  ? console_emit_next_record (kernel/printk/printk.c:3150)
[   61.200800][  T607]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   61.200806][  T607]  console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420)
[   61.200809][  T607]  ? console_flush_one_record (kernel/printk/printk.c:3316)
[   61.200810][  T607]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   61.200812][  T607]  ? lock_acquire (kernel/locking/lockdep.c:5913)
[   61.200816][  T607]  ? __down_trylock_console_sem (kernel/printk/printk.c:334)
[   61.200818][  T607]  ? vprintk_emit (kernel/printk/printk.c:2478)
[   61.200821][  T607]  vprintk_emit (kernel/printk/printk.c:2479)
[   61.200825][  T607]  ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126))
[   61.200827][  T607]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   61.200829][  T607]  ? save_trace (kernel/locking/lockdep.c:154 (discriminator 6) kernel/locking/lockdep.c:150 (discriminator 6) kernel/locking/lockdep.c:202 (discriminator 6) kernel/locking/lockdep.c:577 (discriminator 6))
[   61.200831][  T607]  ? find_held_lock (kernel/locking/lockdep.c:5360)
[   61.200835][  T607]  _printk (kernel/printk/printk.c:2504)
[   61.200839][  T607]  ? snapshot_read.cold (user.c:?)
[   61.200841][  T607]  ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4116 (discriminator 3) kernel/rcu/tree.c:4108 (discriminator 3))
[   61.200844][  T607]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380)
[   61.200846][  T607]  ? validate_chain (kernel/locking/lockdep.c:3817 (discriminator 2) kernel/locking/lockdep.c:3837 (discriminator 2) kernel/locking/lockdep.c:3892 (discriminator 2))
[   61.200853][  T607]  ? netdev_name (./include/linux/netdevice.h:5709 (discriminator 1))
[   61.200857][  T607]  ? __netdev_printk (net/core/dev.c:13148 (discriminator 2))
[   61.200859][  T607]  ? do_setlink.isra.0 (net/core/rtnetlink.c:3246)
[   61.200862][  T607]  netdev_info (net/core/dev.c:13195 (discriminator 3))
[   61.200865][  T607]  ? netdev_notice (net/core/dev.c:13194)
[   61.200868][  T607]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[   61.200871][  T607]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554)
[   61.200874][  T607]  ? mark_held_locks (kernel/locking/lockdep.c:4341)
[   61.200877][  T607]  ? do_setlink.isra.0 (net/core/rtnetlink.c:3246)
[   61.200880][  T607]  netif_change_name.cold (net/core/dev.c:1507 (discriminator 3))
[   61.200883][  T607]  ? 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))
[   61.200889][  T607]  ? netdev_adjacent_rename_links (net/core/dev.c:9598)
[   61.200892][  T607]  ? __kernel_text_address (kernel/extable.c:79)
[   61.200895][  T607]  ? write_profile (profile.c:?)
[   61.200899][  T607]  ? __asan_memset (mm/kasan/shadow.c:84 (discriminator 1))
[   61.200904][  T607]  do_setlink.isra.0 (net/core/rtnetlink.c:3246)
[   61.200910][  T607]  ? stack_trace_save (kernel/stacktrace.c:122 (discriminator 1))
[   61.200912][  T607]  ? rtnl_link_get_size (net/core/rtnetlink.c:747)
[   61.200913][  T607]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:388 kernel/rcu/update.c:380)
[   61.200916][  T607]  ? stack_depot_save_flags (lib/stackdepot.c:609 (discriminator 2) lib/stackdepot.c:676 (discriminator 2))
[   61.200920][  T607]  ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4116 (discriminator 3) kernel/rcu/tree.c:4108 (discriminator 3))
[   61.200922][  T607]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380)
[   61.200924][  T607]  ? validate_chain (kernel/locking/lockdep.c:3817 (discriminator 2) kernel/locking/lockdep.c:3837 (discriminator 2) kernel/locking/lockdep.c:3892 (discriminator 2))
[   61.200927][  T607]  ? kasan_save_stack (mm/kasan/common.c:58)
[   61.200930][  T607]  ? kasan_save_stack (mm/kasan/common.c:57)
[   61.200932][  T607]  ? kasan_save_track (mm/kasan/common.c:78)
[   61.200935][  T607]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   61.200937][  T607]  ? netlink_update_listeners (net/netlink/af_netlink.c:532)
[   61.200940][  T607]  ? ___sys_sendmsg (net/socket.c:2744 net/socket.c:2763)
[   61.200946][  T607]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2))
[   61.200948][  T607]  ? rtnl_newlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:366 net/core/rtnetlink.c:4214)
[   61.200951][  T607]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   61.200953][  T607]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   61.200955][  T607]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   61.200956][  T607]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   61.200958][  T607]  ? trace_contention_end (./include/trace/events/lock.h:121 (discriminator 22))
[   61.200961][  T607]  ? __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)
[   61.200964][  T607]  ? __mutex_lock (kernel/locking/mutex.c:656 (discriminator 1) kernel/locking/mutex.c:821 (discriminator 1))
[   61.200967][  T607]  ? rtnl_newlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:366 net/core/rtnetlink.c:4214)
[   61.200970][  T607]  ? ww_mutex_lock (kernel/locking/mutex.c:934)
[   61.200972][  T607]  ? nla_get_range_signed (lib/nlattr.c:270)
[   61.200978][  T607]  ? __rtnl_newlink (net/core/rtnetlink.c:4063)
[   61.200983][  T607]  rtnl_newlink (net/core/rtnetlink.c:4215)
[   61.200989][  T607]  ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558)
[   61.200991][  T607]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   61.200996][  T607]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2))
[   61.200998][  T607]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[   61.201000][  T607]  ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558)
[   61.201002][  T607]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554)
[   61.201006][  T607]  ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558)
[   61.201009][  T607]  rtnetlink_rcv_msg (net/core/rtnetlink.c:7132)
[   61.201012][  T607]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   61.201013][  T607]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   61.201018][  T607]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2))
[   61.201020][  T607]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[   61.201024][  T607]  netlink_rcv_skb (net/netlink/af_netlink.c:2556)
[   61.201026][  T607]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   61.201029][  T607]  ? netlink_ack (./include/linux/skbuff.h:2718)
[   61.201036][  T607]  ? 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))
[   61.201037][  T607]  ? 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))
[   61.201041][  T607]  netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[   61.201045][  T607]  ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[   61.201048][  T607]  ? __lock_acquire (kernel/locking/lockdep.c:5251 (discriminator 3))
[   61.201053][  T607]  netlink_sendmsg (net/netlink/af_netlink.c:1900)
[   61.201057][  T607]  ? netlink_unicast (./include/net/net_namespace.h:422 (discriminator 7))
[   61.201058][  T607]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554)
[   61.201062][  T607]  ? __might_fault (mm/memory.c:7482 (discriminator 5))
[   61.201065][  T607]  ? __might_fault (mm/memory.c:7482 (discriminator 5))
[   61.201069][  T607]  ____sys_sendmsg (net/socket.c:800 (discriminator 4) net/socket.c:815 (discriminator 4) net/socket.c:2713 (discriminator 4))
[   61.201072][  T607]  ? copy_msghdr_from_user (net/socket.c:2650)
[   61.201074][  T607]  ? get_timestamp.constprop.0 (./include/linux/netdevice.h:5399)
[   61.201076][  T607]  ? move_addr_to_kernel (./include/linux/audit.h:354 (discriminator 1))
[   61.201084][  T607]  ___sys_sendmsg (net/socket.c:2767)
[   61.201087][  T607]  ? copy_msghdr_from_user (net/socket.c:2619)
[   61.201103][  T607]  __sys_sendmsg (net/socket.c:2799)
[   61.201107][  T607]  ? __sys_sendmsg_sock (net/socket.c:2780)
[   61.201113][  T607]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   61.201117][  T607]  do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84)
[   61.201119][  T607]  ? exc_page_fault (arch/x86/mm/fault.c:1489 (discriminator 3) arch/x86/mm/fault.c:1536 (discriminator 3))
[   61.201123][  T607]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[   61.201125][  T607] RIP: 0033:0x7f328479254e
[   61.201129][  T607] 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
[   61.201131][  T607] RSP: 002b:00007ffc86ac2430 EFLAGS: 00000202 ORIG_RAX: 000000000000002e
[   61.201134][  T607] RAX: ffffffffffffffda RBX: 0000000000000003 RCX: 00007f328479254e
[   61.201135][  T607] RDX: 0000000000000000 RSI: 00007ffc86ac24e0 RDI: 0000000000000005
[   61.201136][  T607] RBP: 00007ffc86ac2440 R08: 0000000000000000 R09: 0000000000000000
[   61.201137][  T607] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a90d7c0
[   61.201138][  T607] R13: 00000000004a1620 R14: 0000000000000000 R15: 00007ffc86ac2bb0
| [   62.270765][  T616] softirqs last disabled at (29988): netif_change_name (./include/linux/spinlock.h:353 ./include/linux/seqlock.h:908 net/core/dev.c:1499)
| [   62.270767][  T616] Preemption disabled at:
| [   62.270768][  T616] vprintk_emit (kernel/printk/printk.c:2471)
| [   62.270777][  T616] Tainted: [W]=WARN
[   62.270778][  T616] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   62.270780][  T616] Call Trace:
[   62.270782][  T616]  <TASK>
[   62.270783][  T616]  dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120)
[   62.270789][  T616]  ? vprintk_emit (kernel/printk/printk.c:2471)
[   62.270790][  T616]  __might_resched.cold (kernel/sched/core.c:9234)
[   62.270795][  T616]  ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3))
[   62.270798][  T616]  ? __kmalloc_noprof (./include/linux/sched/mm.h:317 mm/slub.c:4636 mm/slub.c:4974 mm/slub.c:5413 mm/slub.c:5439)
[   62.270804][  T616]  __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))
[   62.270806][  T616]  ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[   62.270812][  T616]  ? 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)
[   62.270816][  T616]  alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[   62.270819][  T616]  put_chars (drivers/char/virtio_console.c:1176)
[   62.270822][  T616]  ? __send_to_port (drivers/char/virtio_console.c:654)
[   62.270826][  T616]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380)
[   62.270830][  T616]  ? validate_chain (kernel/locking/lockdep.c:3817 (discriminator 2) kernel/locking/lockdep.c:3837 (discriminator 2) kernel/locking/lockdep.c:3892 (discriminator 2))
[   62.270835][  T616]  hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2))
[   62.270838][  T616]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   62.270840][  T616]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   62.270845][  T616]  ? hvc_write (drivers/tty/hvc/hvc_console.c:501)
[   62.270849][  T616]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   62.270852][  T616]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   62.270856][  T616]  console_emit_next_record (kernel/printk/printk.c:3183)
[   62.270868][  T616]  ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20)
[   62.270869][  T616]  ? 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))
[   62.270872][  T616]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   62.270874][  T616]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   62.270879][  T616]  console_flush_one_record (kernel/printk/printk.c:3268)
[   62.270883][  T616]  ? console_emit_next_record (kernel/printk/printk.c:3150)
[   62.270884][  T616]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   62.270890][  T616]  console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420)
[   62.270892][  T616]  ? console_flush_one_record (kernel/printk/printk.c:3316)
[   62.270894][  T616]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   62.270896][  T616]  ? lock_acquire (kernel/locking/lockdep.c:5913)
[   62.270900][  T616]  ? __down_trylock_console_sem (kernel/printk/printk.c:334)
[   62.270902][  T616]  ? vprintk_emit (kernel/printk/printk.c:2478)
[   62.270905][  T616]  vprintk_emit (kernel/printk/printk.c:2479)
[   62.270909][  T616]  ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126))
[   62.270911][  T616]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   62.270913][  T616]  ? save_trace (kernel/locking/lockdep.c:154 (discriminator 6) kernel/locking/lockdep.c:150 (discriminator 6) kernel/locking/lockdep.c:202 (discriminator 6) kernel/locking/lockdep.c:577 (discriminator 6))
[   62.270915][  T616]  ? find_held_lock (kernel/locking/lockdep.c:5360)
[   62.270919][  T616]  _printk (kernel/printk/printk.c:2504)
[   62.270923][  T616]  ? snapshot_read.cold (user.c:?)
[   62.270925][  T616]  ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4116 (discriminator 3) kernel/rcu/tree.c:4108 (discriminator 3))
[   62.270928][  T616]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380)
[   62.270930][  T616]  ? validate_chain (kernel/locking/lockdep.c:3817 (discriminator 2) kernel/locking/lockdep.c:3837 (discriminator 2) kernel/locking/lockdep.c:3892 (discriminator 2))
[   62.270932][  T616]  ? netdev_name (./include/linux/netdevice.h:5709 (discriminator 1))
[   62.270936][  T616]  ? __netdev_printk (net/core/dev.c:13148 (discriminator 2))
[   62.270938][  T616]  ? do_setlink.isra.0 (net/core/rtnetlink.c:3246)
[   62.270941][  T616]  netdev_info (net/core/dev.c:13195 (discriminator 3))
[   62.270944][  T616]  ? netdev_notice (net/core/dev.c:13194)
[   62.270946][  T616]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[   62.270949][  T616]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554)
[   62.270952][  T616]  ? mark_held_locks (kernel/locking/lockdep.c:4341)
[   62.270956][  T616]  ? do_setlink.isra.0 (net/core/rtnetlink.c:3246)
[   62.270958][  T616]  netif_change_name.cold (net/core/dev.c:1507 (discriminator 3))
[   62.270962][  T616]  ? 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))
[   62.270968][  T616]  ? netdev_adjacent_rename_links (net/core/dev.c:9598)
[   62.270970][  T616]  ? __kernel_text_address (kernel/extable.c:79)
[   62.270973][  T616]  ? write_profile (profile.c:?)
[   62.270978][  T616]  ? __asan_memset (mm/kasan/shadow.c:84 (discriminator 1))
[   62.270983][  T616]  do_setlink.isra.0 (net/core/rtnetlink.c:3246)
[   62.270988][  T616]  ? stack_trace_save (kernel/stacktrace.c:122 (discriminator 1))
[   62.270991][  T616]  ? rtnl_link_get_size (net/core/rtnetlink.c:747)
[   62.270992][  T616]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:388 kernel/rcu/update.c:380)
[   62.270994][  T616]  ? stack_depot_save_flags (lib/stackdepot.c:609 (discriminator 2) lib/stackdepot.c:676 (discriminator 2))
[   62.270998][  T616]  ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4116 (discriminator 3) kernel/rcu/tree.c:4108 (discriminator 3))
[   62.271000][  T616]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380)
[   62.271002][  T616]  ? validate_chain (kernel/locking/lockdep.c:3817 (discriminator 2) kernel/locking/lockdep.c:3837 (discriminator 2) kernel/locking/lockdep.c:3892 (discriminator 2))
[   62.271005][  T616]  ? kasan_save_stack (mm/kasan/common.c:58)
[   62.271008][  T616]  ? kasan_save_stack (mm/kasan/common.c:57)
[   62.271010][  T616]  ? kasan_save_track (mm/kasan/common.c:78)
[   62.271013][  T616]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   62.271015][  T616]  ? netlink_update_listeners (net/netlink/af_netlink.c:532)
[   62.271018][  T616]  ? ___sys_sendmsg (net/socket.c:2744 net/socket.c:2763)
[   62.271024][  T616]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2))
[   62.271026][  T616]  ? rtnl_newlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:366 net/core/rtnetlink.c:4214)
[   62.271029][  T616]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   62.271031][  T616]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   62.271033][  T616]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   62.271034][  T616]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   62.271036][  T616]  ? trace_contention_end (./include/trace/events/lock.h:121 (discriminator 22))
[   62.271039][  T616]  ? __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)
[   62.271042][  T616]  ? __mutex_lock (kernel/locking/mutex.c:656 (discriminator 1) kernel/locking/mutex.c:821 (discriminator 1))
[   62.271044][  T616]  ? rtnl_newlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:366 net/core/rtnetlink.c:4214)
[   62.271048][  T616]  ? ww_mutex_lock (kernel/locking/mutex.c:934)
[   62.271050][  T616]  ? nla_get_range_signed (lib/nlattr.c:270)
[   62.271056][  T616]  ? __rtnl_newlink (net/core/rtnetlink.c:4063)
[   62.271062][  T616]  rtnl_newlink (net/core/rtnetlink.c:4215)
[   62.271068][  T616]  ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558)
[   62.271070][  T616]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   62.271075][  T616]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2))
[   62.271077][  T616]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[   62.271079][  T616]  ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558)
[   62.271081][  T616]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554)
[   62.271086][  T616]  ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558)
[   62.271088][  T616]  rtnetlink_rcv_msg (net/core/rtnetlink.c:7132)
[   62.271091][  T616]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   62.271092][  T616]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   62.271097][  T616]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2))
[   62.271099][  T616]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[   62.271103][  T616]  netlink_rcv_skb (net/netlink/af_netlink.c:2556)
[   62.271105][  T616]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   62.271108][  T616]  ? netlink_ack (./include/linux/skbuff.h:2718)
[   62.271115][  T616]  ? 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))
[   62.271116][  T616]  ? 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))
[   62.271121][  T616]  netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[   62.271125][  T616]  ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[   62.271128][  T616]  ? __lock_acquire (kernel/locking/lockdep.c:5251 (discriminator 3))
[   62.271133][  T616]  netlink_sendmsg (net/netlink/af_netlink.c:1900)
[   62.271137][  T616]  ? netlink_unicast (./include/net/net_namespace.h:422 (discriminator 7))
[   62.271138][  T616]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554)
[   62.271142][  T616]  ? __might_fault (mm/memory.c:7482 (discriminator 5))
[   62.271145][  T616]  ? __might_fault (mm/memory.c:7482 (discriminator 5))
[   62.271150][  T616]  ____sys_sendmsg (net/socket.c:800 (discriminator 4) net/socket.c:815 (discriminator 4) net/socket.c:2713 (discriminator 4))
[   62.271152][  T616]  ? copy_msghdr_from_user (net/socket.c:2650)
[   62.271155][  T616]  ? get_timestamp.constprop.0 (./include/linux/netdevice.h:5399)
[   62.271156][  T616]  ? move_addr_to_kernel (./include/linux/audit.h:354 (discriminator 1))
[   62.271164][  T616]  ___sys_sendmsg (net/socket.c:2767)
[   62.271167][  T616]  ? copy_msghdr_from_user (net/socket.c:2619)
[   62.271184][  T616]  __sys_sendmsg (net/socket.c:2799)
[   62.271188][  T616]  ? __sys_sendmsg_sock (net/socket.c:2780)
[   62.271195][  T616]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   62.271198][  T616]  do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84)
[   62.271201][  T616]  ? exc_page_fault (arch/x86/mm/fault.c:1489 (discriminator 3) arch/x86/mm/fault.c:1536 (discriminator 3))
[   62.271205][  T616]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[   62.271207][  T616] RIP: 0033:0x7efc2c2c854e
[   62.271211][  T616] 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
[   62.271212][  T616] RSP: 002b:00007ffe05f48dc0 EFLAGS: 00000202 ORIG_RAX: 000000000000002e
[   62.271215][  T616] RAX: ffffffffffffffda RBX: 0000000000000003 RCX: 00007efc2c2c854e
[   62.271216][  T616] RDX: 0000000000000000 RSI: 00007ffe05f48e70 RDI: 0000000000000005
[   62.271217][  T616] RBP: 00007ffe05f48dd0 R08: 0000000000000000 R09: 0000000000000000
[   62.271218][  T616] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a90d7c1


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