======================================
| [   13.087141][  T257] softirqs last disabled at (47592): netlink_release (./include/net/sock.h:2138 net/netlink/af_netlink.c:727)
| [   13.087144][  T257] Preemption disabled at:
| [   13.087144][  T257] 0x0
| [   13.087154][  T257] Tainted: [W]=WARN
[   13.087155][  T257] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   13.087157][  T257] Call Trace:
[   13.087159][  T257]  <TASK>
[   13.087160][  T257]  dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120)
[   13.087167][  T257]  __might_resched.cold (kernel/sched/core.c:9234)
[   13.087171][  T257]  ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3))
[   13.087177][  T257]  ? __kmalloc_noprof (./include/linux/sched/mm.h:317 mm/slub.c:4636 mm/slub.c:4974 mm/slub.c:5413 mm/slub.c:5439)
[   13.087183][  T257]  __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))
[   13.087185][  T257]  ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[   13.087192][  T257]  ? 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)
[   13.087195][  T257]  alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[   13.087198][  T257]  put_chars (drivers/char/virtio_console.c:1176)
[   13.087201][  T257]  ? __send_to_port (drivers/char/virtio_console.c:654)
[   13.087202][  T257]  ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4116 (discriminator 3) kernel/rcu/tree.c:4108 (discriminator 3))
[   13.087206][  T257]  ? validate_chain (kernel/locking/lockdep.c:3817 (discriminator 2) kernel/locking/lockdep.c:3837 (discriminator 2) kernel/locking/lockdep.c:3892 (discriminator 2))
[   13.087211][  T257]  hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2))
[   13.087219][  T257]  ? hvc_write (drivers/tty/hvc/hvc_console.c:501)
[   13.087221][  T257]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   13.087223][  T257]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   13.087227][  T257]  console_emit_next_record (kernel/printk/printk.c:3183)
[   13.087231][  T257]  ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20)
[   13.087233][  T257]  ? 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))
[   13.087236][  T257]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   13.087238][  T257]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   13.087242][  T257]  console_flush_one_record (kernel/printk/printk.c:3268)
[   13.087246][  T257]  ? console_emit_next_record (kernel/printk/printk.c:3150)
[   13.087248][  T257]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   13.087253][  T257]  console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420)
[   13.087256][  T257]  ? console_flush_one_record (kernel/printk/printk.c:3316)
[   13.087258][  T257]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   13.087259][  T257]  ? lock_acquire (./include/linux/srcutree.h:374 ./include/linux/srcu.h:541 ./include/linux/srcu.h:645 ./include/trace/events/lock.h:23 ./include/trace/events/lock.h:23 kernel/locking/lockdep.c:5871)
[   13.087263][  T257]  ? __down_trylock_console_sem (kernel/printk/printk.c:334)
[   13.087265][  T257]  ? vprintk_emit (kernel/printk/printk.c:2478)
[   13.087268][  T257]  vprintk_emit (kernel/printk/printk.c:2479)
[   13.087271][  T257]  ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126))
[   13.087278][  T257]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   13.087282][  T257]  _printk (kernel/printk/printk.c:2504)
[   13.087285][  T257]  ? snapshot_read.cold (user.c:?)
[   13.087288][  T257]  ? 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)
[   13.087292][  T257]  ? __rwlock_init (kernel/locking/spinlock_debug.c:48)
[   13.087296][  T257]  ? 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)
[   13.087299][  T257]  do_exit.cold (kernel/exit.c:889 (discriminator 4) kernel/exit.c:1043 (discriminator 4))
[   13.087304][  T257]  ? exit_notify (kernel/exit.c:780)
[   13.087306][  T257]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554)
[   13.087310][  T257]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   13.087315][  T257]  do_group_exit (kernel/exit.c:1151)
[   13.087318][  T257]  __x64_sys_exit_group (kernel/exit.c:1162 kernel/exit.c:1160 kernel/exit.c:1160)
[   13.087319][  T257]  x64_sys_call (./arch/x86/include/generated/asm/syscalls_64.h:232)
[   13.087322][  T257]  do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84)
[   13.087326][  T257]  ? exc_page_fault (arch/x86/mm/fault.c:1489 (discriminator 3) arch/x86/mm/fault.c:1536 (discriminator 3))
[   13.087329][  T257]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[   13.087331][  T257] RIP: 0033:0x7f63df1c21b8
[   13.087333][  T257] Code: Unable to access opcode bytes at 0x7f63df1c218e.

Code starting with the faulting instruction
===========================================
[   13.087334][  T257] RSP: 002b:00007fff98e99ad8 EFLAGS: 00000246 ORIG_RAX: 00000000000000e7
[   13.087337][  T257] RAX: ffffffffffffffda RBX: 00007f63df2f2f88 RCX: 00007f63df1c21b8
[   13.087338][  T257] RDX: 00007f63def0cfc8 RSI: fffffffffffffeb8 RDI: 0000000000000000
[   13.087339][  T257] RBP: 00007fff98e99b30 R08: 0000000000000000 R09: 0000000000008010
[   13.087340][  T257] R10: 00007fff98e998f0 R11: 0000000000000246 R12: 0000000000000001
[   13.087341][  T257] R13: 0000000000000000 R14: 00007f63df2f1680 R15: 00007f63df2f2fa0
| [   14.472959][  T276] softirqs last disabled at (39674): netif_change_name (./include/linux/spinlock.h:353 ./include/linux/seqlock.h:908 net/core/dev.c:1499)
| [   14.472961][  T276] Preemption disabled at:
| [   14.472962][  T276] vprintk_emit (kernel/printk/printk.c:2471)
| [   14.472971][  T276] Tainted: [W]=WARN
[   14.472972][  T276] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   14.472974][  T276] Call Trace:
[   14.472975][  T276]  <TASK>
[   14.472977][  T276]  dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120)
[   14.472983][  T276]  ? vprintk_emit (kernel/printk/printk.c:2471)
[   14.472985][  T276]  __might_resched.cold (kernel/sched/core.c:9234)
[   14.472989][  T276]  ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3))
[   14.472993][  T276]  ? __kmalloc_noprof (./include/linux/sched/mm.h:317 mm/slub.c:4636 mm/slub.c:4974 mm/slub.c:5413 mm/slub.c:5439)
[   14.472998][  T276]  __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))
[   14.473000][  T276]  ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[   14.473006][  T276]  ? 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)
[   14.473009][  T276]  alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[   14.473013][  T276]  put_chars (drivers/char/virtio_console.c:1176)
[   14.473016][  T276]  ? __send_to_port (drivers/char/virtio_console.c:654)
[   14.473022][  T276]  hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2))
[   14.473030][  T276]  ? hvc_write (drivers/tty/hvc/hvc_console.c:501)
[   14.473033][  T276]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   14.473037][  T276]  console_emit_next_record (kernel/printk/printk.c:3183)
[   14.473042][  T276]  ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20)
[   14.473044][  T276]  ? 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))
[   14.473047][  T276]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   14.473049][  T276]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   14.473053][  T276]  console_flush_one_record (kernel/printk/printk.c:3268)
[   14.473058][  T276]  ? console_emit_next_record (kernel/printk/printk.c:3150)
[   14.473060][  T276]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   14.473065][  T276]  console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420)
[   14.473068][  T276]  ? console_flush_one_record (kernel/printk/printk.c:3316)
[   14.473070][  T276]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   14.473071][  T276]  ? lock_acquire (./include/linux/srcutree.h:374 ./include/linux/srcu.h:541 ./include/linux/srcu.h:645 ./include/trace/events/lock.h:23 ./include/trace/events/lock.h:23 kernel/locking/lockdep.c:5871)
[   14.473075][  T276]  ? __down_trylock_console_sem (kernel/printk/printk.c:334)
[   14.473077][  T276]  ? vprintk_emit (kernel/printk/printk.c:2478)
[   14.473080][  T276]  vprintk_emit (kernel/printk/printk.c:2479)
[   14.473083][  T276]  ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126))
[   14.473085][  T276]  ? _mutex_trylock_nest_lock (kernel/locking/mutex.c:1227 (discriminator 6))
[   14.473091][  T276]  _printk (kernel/printk/printk.c:2504)
[   14.473094][  T276]  ? snapshot_read.cold (user.c:?)
[   14.473096][  T276]  ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4116 (discriminator 3) kernel/rcu/tree.c:4108 (discriminator 3))
[   14.473098][  T276]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380)
[   14.473101][  T276]  ? validate_chain (kernel/locking/lockdep.c:3817 (discriminator 2) kernel/locking/lockdep.c:3837 (discriminator 2) kernel/locking/lockdep.c:3892 (discriminator 2))
[   14.473103][  T276]  ? netdev_name (./include/linux/netdevice.h:5709 (discriminator 1))
[   14.473107][  T276]  ? __netdev_printk (net/core/dev.c:13148 (discriminator 2))
[   14.473110][  T276]  ? do_setlink.isra.0 (net/core/rtnetlink.c:3246)
[   14.473112][  T276]  netdev_info (net/core/dev.c:13195 (discriminator 3))
[   14.473115][  T276]  ? netdev_notice (net/core/dev.c:13194)
[   14.473118][  T276]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[   14.473121][  T276]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554)
[   14.473124][  T276]  ? mark_held_locks (kernel/locking/lockdep.c:4341)
[   14.473127][  T276]  ? do_setlink.isra.0 (net/core/rtnetlink.c:3246)
[   14.473129][  T276]  netif_change_name.cold (net/core/dev.c:1507 (discriminator 3))
[   14.473132][  T276]  ? register_netdev (net/core/dev.c:11618)
[   14.473133][  T276]  ? 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))
[   14.473138][  T276]  ? netdev_adjacent_rename_links (net/core/dev.c:9598)
[   14.473141][  T276]  ? __kernel_text_address (kernel/extable.c:79)
[   14.473144][  T276]  ? write_profile (profile.c:?)
[   14.473148][  T276]  ? __asan_memset (mm/kasan/shadow.c:84 (discriminator 1))
[   14.473154][  T276]  do_setlink.isra.0 (net/core/rtnetlink.c:3246)
[   14.473157][  T276]  ? stack_trace_save (kernel/stacktrace.c:122 (discriminator 1))
[   14.473159][  T276]  ? rtnl_link_get_size (net/core/rtnetlink.c:747)
[   14.473160][  T276]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:388 kernel/rcu/update.c:380)
[   14.473162][  T276]  ? stack_depot_save_flags (lib/stackdepot.c:609 (discriminator 2) lib/stackdepot.c:676 (discriminator 2))
[   14.473166][  T276]  ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4116 (discriminator 3) kernel/rcu/tree.c:4108 (discriminator 3))
[   14.473167][  T276]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380)
[   14.473169][  T276]  ? validate_chain (kernel/locking/lockdep.c:3817 (discriminator 2) kernel/locking/lockdep.c:3837 (discriminator 2) kernel/locking/lockdep.c:3892 (discriminator 2))
[   14.473172][  T276]  ? kasan_save_stack (mm/kasan/common.c:58)
[   14.473174][  T276]  ? kasan_save_stack (mm/kasan/common.c:57)
[   14.473175][  T276]  ? kasan_save_track (mm/kasan/common.c:78)
[   14.473176][  T276]  ? __kasan_kmalloc (mm/kasan/common.c:398 mm/kasan/common.c:415)
[   14.473178][  T276]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   14.473180][  T276]  ? snd_ac97_proc_read_main (sound/pci/ac97/ac97_proc.c:320)
[   14.473183][  T276]  ? ___sys_sendmsg (net/socket.c:2758)
[   14.473187][  T276]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2))
[   14.473189][  T276]  ? rtnl_newlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:366 net/core/rtnetlink.c:4214)
[   14.473192][  T276]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   14.473193][  T276]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   14.473195][  T276]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   14.473196][  T276]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   14.473198][  T276]  ? trace_contention_end (./include/trace/events/lock.h:121 (discriminator 22))
[   14.473200][  T276]  ? __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)
[   14.473201][  T276]  ? __mutex_lock (kernel/locking/mutex.c:656 (discriminator 1) kernel/locking/mutex.c:821 (discriminator 1))
[   14.473203][  T276]  ? rtnl_newlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:366 net/core/rtnetlink.c:4214)
[   14.473206][  T276]  ? ww_mutex_lock (kernel/locking/mutex.c:934)
[   14.473208][  T276]  ? nla_get_range_signed (lib/nlattr.c:270)
[   14.473212][  T276]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   14.473215][  T276]  ? __rtnl_newlink (net/core/rtnetlink.c:4063)
[   14.473220][  T276]  rtnl_newlink (net/core/rtnetlink.c:4215)
[   14.473225][  T276]  ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558)
[   14.473227][  T276]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   14.473232][  T276]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2))
[   14.473234][  T276]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[   14.473235][  T276]  ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558)
[   14.473237][  T276]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554)
[   14.473241][  T276]  ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558)
[   14.473243][  T276]  rtnetlink_rcv_msg (net/core/rtnetlink.c:7132)
[   14.473246][  T276]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   14.473247][  T276]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   14.473252][  T276]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2))
[   14.473254][  T276]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[   14.473257][  T276]  netlink_rcv_skb (net/netlink/af_netlink.c:2556)
[   14.473261][  T276]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   14.473264][  T276]  ? netlink_ack (./include/linux/skbuff.h:2718)
[   14.473270][  T276]  ? 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))
[   14.473272][  T276]  ? 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))
[   14.473282][  T276]  netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[   14.473286][  T276]  ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[   14.473292][  T276]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[   14.473296][  T276]  netlink_sendmsg (net/netlink/af_netlink.c:1900)
[   14.473300][  T276]  ? netlink_unicast (./include/net/net_namespace.h:422 (discriminator 7))
[   14.473304][  T276]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554)
[   14.473306][  T276]  ? __import_iovec (lib/iov_iter.c:1358 lib/iov_iter.c:1373)
[   14.473311][  T276]  __sock_sendmsg (net/socket.c:800 (discriminator 4) net/socket.c:815 (discriminator 4))
[   14.473314][  T276]  ____sys_sendmsg (net/socket.c:2713)
[   14.473316][  T276]  ? copy_msghdr_from_user (net/socket.c:2650)
[   14.473318][  T276]  ? sock_write_iter (net/socket.c:1269)
[   14.473320][  T276]  ? move_addr_to_kernel (net/socket.c:258)
[   14.473327][  T276]  ___sys_sendmsg (net/socket.c:2767)
[   14.473330][  T276]  ? copy_msghdr_from_user (net/socket.c:2619)
[   14.473346][  T276]  __sys_sendmsg (net/socket.c:2799)
[   14.473349][  T276]  ? __sys_sendmsg_sock (net/socket.c:2780)
[   14.473355][  T276]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   14.473358][  T276]  do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84)
[   14.473361][  T276]  ? exc_page_fault (arch/x86/mm/fault.c:1489 (discriminator 3) arch/x86/mm/fault.c:1536 (discriminator 3))
[   14.473364][  T276]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[   14.473366][  T276] RIP: 0033:0x7f638a85e54e
[   14.473370][  T276] 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
[   14.473372][  T276] RSP: 002b:00007ffc8d8f9ab0 EFLAGS: 00000202 ORIG_RAX: 000000000000002e
[   14.473374][  T276] RAX: ffffffffffffffda RBX: 0000000000000005 RCX: 00007f638a85e54e
[   14.473376][  T276] RDX: 0000000000000000 RSI: 00007ffc8d8f9b60 RDI: 0000000000000005
[   14.473377][  T276] RBP: 00007ffc8d8f9ac0 R08: 0000000000000000 R09: 0000000000000000
[   14.473378][  T276] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a915af0
[   14.473378][  T276] R13: 00000000004a1620 R14: 0000000000000000 R15: 00007ffc8d8fa220
| [   19.565021][   T71] softirqs last disabled at (29834): br_device_event (./include/linux/spinlock.h:353 net/bridge/br.c:109)
| [   19.565024][   T71] Preemption disabled at:
| [   19.565025][   T71] 0x0
| [   19.565038][   T71] Tainted: [W]=WARN
[   19.565039][   T71] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   19.565041][   T71] Workqueue: netns cleanup_net
[   19.565044][   T71] Call Trace:
[   19.565046][   T71]  <TASK>
[   19.565048][   T71]  dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120)
[   19.565054][   T71]  __might_resched.cold (kernel/sched/core.c:9234)
[   19.565059][   T71]  ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3))
[   19.565064][   T71]  ? __kmalloc_noprof (./include/linux/sched/mm.h:317 mm/slub.c:4636 mm/slub.c:4974 mm/slub.c:5413 mm/slub.c:5439)
[   19.565068][   T71]  __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))
[   19.565071][   T71]  ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[   19.565078][   T71]  ? 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)
[   19.565081][   T71]  alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[   19.565085][   T71]  put_chars (drivers/char/virtio_console.c:1176)
[   19.565088][   T71]  ? __send_to_port (drivers/char/virtio_console.c:654)
[   19.565095][   T71]  hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2))
[   19.565104][   T71]  ? hvc_write (drivers/tty/hvc/hvc_console.c:501)
[   19.565107][   T71]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   19.565112][   T71]  console_emit_next_record (kernel/printk/printk.c:3183)
[   19.565117][   T71]  ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20)
[   19.565119][   T71]  ? 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))
[   19.565123][   T71]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   19.565126][   T71]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   19.565131][   T71]  console_flush_one_record (kernel/printk/printk.c:3268)
[   19.565135][   T71]  ? console_emit_next_record (kernel/printk/printk.c:3150)
[   19.565137][   T71]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   19.565143][   T71]  console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420)
[   19.565146][   T71]  ? console_flush_one_record (kernel/printk/printk.c:3316)
[   19.565148][   T71]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   19.565150][   T71]  ? lock_acquire (./include/linux/srcutree.h:374 ./include/linux/srcu.h:541 ./include/linux/srcu.h:645 ./include/trace/events/lock.h:23 ./include/trace/events/lock.h:23 kernel/locking/lockdep.c:5871)
[   19.565154][   T71]  ? __down_trylock_console_sem (kernel/printk/printk.c:334)
[   19.565156][   T71]  ? vprintk_emit (kernel/printk/printk.c:2478)
[   19.565159][   T71]  vprintk_emit (kernel/printk/printk.c:2479)
[   19.565162][   T71]  ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126))
[   19.565164][   T71]  ? mark_held_locks (kernel/locking/lockdep.c:4341)
[   19.565170][   T71]  _printk (kernel/printk/printk.c:2504)
[   19.565174][   T71]  ? snapshot_read.cold (user.c:?)
[   19.565182][   T71]  br_set_state (net/bridge/br_stp.c:57 (discriminator 2))
[   19.565187][   T71]  br_stp_disable_port (net/bridge/br_stp_if.c:106)
[   19.565191][   T71]  br_device_event (net/bridge/br.c:111)
[   19.565193][   T71]  ? _raw_spin_unlock_irqrestore (./include/linux/spinlock_api_smp.h:211 (discriminator 1) kernel/locking/spinlock.c:221 (discriminator 1))
[   19.565197][   T71]  ? packet_sendmsg_spkt (af_packet.c:?)
[   19.565204][   T71]  notifier_call_chain (kernel/notifier.c:85)
[   19.565210][   T71]  netif_close_many (net/core/dev.c:2313 net/core/dev.c:2327 net/core/dev.c:1829)
[   19.565213][   T71]  ? trace_kfree (./include/trace/events/kmem.h:97 (discriminator 22))
[   19.565217][   T71]  ? __dev_close_many (net/core/dev.c:1804)
[   19.565221][   T71]  ? netif_close_many_and_unlock (net/core/dev.c:12411)
[   19.565225][   T71]  unregister_netdevice_many_notify (net/core/dev.c:12487)
[   19.565228][   T71]  ? ops_undo_list (net/core/net_namespace.c:206 net/core/net_namespace.c:253)
[   19.565230][   T71]  ? worker_thread (kernel/workqueue.c:3470 kernel/workqueue.c:3551)
[   19.565232][   T71]  ? kthread (kernel/kthread.c:436)
[   19.565235][   T71]  ? ret_from_fork (arch/x86/kernel/process.c:158)
[   19.565238][   T71]  ? ret_from_fork_asm (arch/x86/entry/entry_64.S:245)
[   19.565241][   T71]  ? unregister_netdevice_queued (./include/linux/list.h:419 (discriminator 3))
[   19.565249][   T71]  default_device_exit_batch (net/core/dev.c:12589 net/core/dev.c:13288)
[   19.565253][   T71]  ? unregister_netdevice_queue (./include/linux/list.h:173)
[   19.565256][   T71]  ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3))
[   19.565259][   T71]  ? fou_exit_net (net/ipv4/fou_core.c:1228)
[   19.565264][   T71]  ops_undo_list (net/core/net_namespace.c:206 net/core/net_namespace.c:253)
[   19.565268][   T71]  ? lockdep_hardirqs_on (kernel/locking/lockdep.c:4488)
[   19.565271][   T71]  ? netns_install (./include/linux/ns_common.h:26)
[   19.565273][   T71]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554)
[   19.565276][   T71]  ? idr_destroy (lib/radix-tree.c:310 lib/radix-tree.c:674 lib/radix-tree.c:1563)
[   19.565285][   T71]  cleanup_net (net/core/net_namespace.c:706)
[   19.565291][   T71]  ? net_passive_dec (./include/linux/llist.h:241)
[   19.565296][   T71]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   19.565298][   T71]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   19.565303][   T71]  process_one_work (kernel/workqueue.c:3387)
[   19.565311][   T71]  ? __queue_delayed_work (kernel/workqueue.c:2622)
[   19.565314][   T71]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2))
[   19.565323][   T71]  worker_thread (kernel/workqueue.c:3470 kernel/workqueue.c:3551)
[   19.565327][   T71]  ? rescuer_thread (./include/linux/list.h:419 (discriminator 3))
[   19.565330][   T71]  ? __kthread_parkme (./include/linux/instrumented.h:82 ./include/asm-generic/bitops/instrumented-non-atomic.h:141 kernel/kthread.c:272)
[   19.565332][   T71]  ? rescuer_thread (./include/linux/list.h:419 (discriminator 3))
[   19.565335][   T71]  ? rescuer_thread (./include/linux/list.h:419 (discriminator 3))
[   19.565338][   T71]  kthread (kernel/kthread.c:436)
[   19.565340][   T71]  ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22))
[   19.565343][   T71]  ? kthread_affine_preferred (kernel/kthread.c:857)
[   19.565346][   T71]  ret_from_fork (arch/x86/kernel/process.c:158)
[   19.565349][   T71]  ? arch_exit_to_user_mode_prepare.isra.0 (arch/x86/entry/vdso/vma.c:80 (discriminator 1))
[   19.565353][   T71]  ? __switch_to (arch/x86/kernel/process_64.c:403 arch/x86/kernel/process_64.c:663)
[   19.565356][   T71]  ? kthread_affine_preferred (kernel/kthread.c:857)
[   19.565359][   T71]  ret_from_fork_asm (arch/x86/entry/entry_64.S:245)
| [   23.275183][  T398] softirqs last disabled at (39116): netif_change_name (./include/linux/spinlock.h:353 ./include/linux/seqlock.h:908 net/core/dev.c:1499)
| [   23.275186][  T398] Preemption disabled at:
| [   23.275186][  T398] vprintk_emit (kernel/printk/printk.c:2471)
| [   23.275195][  T398] Tainted: [W]=WARN
[   23.275196][  T398] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   23.275197][  T398] Call Trace:
[   23.275199][  T398]  <TASK>
[   23.275201][  T398]  dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120)
[   23.275207][  T398]  ? vprintk_emit (kernel/printk/printk.c:2471)
[   23.275209][  T398]  __might_resched.cold (kernel/sched/core.c:9234)
[   23.275213][  T398]  ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3))
[   23.275218][  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)
[   23.275222][  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))
[   23.275224][  T398]  ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[   23.275230][  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)
[   23.275233][  T398]  alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[   23.275237][  T398]  put_chars (drivers/char/virtio_console.c:1176)
[   23.275239][  T398]  ? __send_to_port (drivers/char/virtio_console.c:654)
[   23.275245][  T398]  hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2))
[   23.275253][  T398]  ? hvc_write (drivers/tty/hvc/hvc_console.c:501)
[   23.275256][  T398]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   23.275260][  T398]  console_emit_next_record (kernel/printk/printk.c:3183)
[   23.275264][  T398]  ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20)
[   23.275266][  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))
[   23.275269][  T398]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   23.275272][  T398]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   23.275276][  T398]  console_flush_one_record (kernel/printk/printk.c:3268)
[   23.275280][  T398]  ? console_emit_next_record (kernel/printk/printk.c:3150)
[   23.275286][  T398]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   23.275294][  T398]  console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420)
[   23.275297][  T398]  ? console_flush_one_record (kernel/printk/printk.c:3316)
[   23.275299][  T398]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   23.275301][  T398]  ? lock_acquire (./include/linux/srcutree.h:374 ./include/linux/srcu.h:541 ./include/linux/srcu.h:645 ./include/trace/events/lock.h:23 ./include/trace/events/lock.h:23 kernel/locking/lockdep.c:5871)
[   23.275305][  T398]  ? __down_trylock_console_sem (kernel/printk/printk.c:334)
[   23.275306][  T398]  ? vprintk_emit (kernel/printk/printk.c:2478)
[   23.275309][  T398]  vprintk_emit (kernel/printk/printk.c:2479)
[   23.275312][  T398]  ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126))
[   23.275315][  T398]  ? _mutex_trylock_nest_lock (kernel/locking/mutex.c:1227 (discriminator 6))
[   23.275320][  T398]  _printk (kernel/printk/printk.c:2504)
[   23.275323][  T398]  ? snapshot_read.cold (user.c:?)
[   23.275325][  T398]  ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4116 (discriminator 3) kernel/rcu/tree.c:4108 (discriminator 3))
[   23.275328][  T398]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380)
[   23.275331][  T398]  ? validate_chain (kernel/locking/lockdep.c:3817 (discriminator 2) kernel/locking/lockdep.c:3837 (discriminator 2) kernel/locking/lockdep.c:3892 (discriminator 2))
[   23.275333][  T398]  ? netdev_name (./include/linux/netdevice.h:5709 (discriminator 1))
[   23.275336][  T398]  ? __netdev_printk (net/core/dev.c:13148 (discriminator 2))
[   23.275339][  T398]  ? do_setlink.isra.0 (net/core/rtnetlink.c:3246)
[   23.275341][  T398]  netdev_info (net/core/dev.c:13195 (discriminator 3))
[   23.275344][  T398]  ? netdev_notice (net/core/dev.c:13194)
[   23.275347][  T398]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[   23.275350][  T398]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554)
[   23.275353][  T398]  ? mark_held_locks (kernel/locking/lockdep.c:4341)
[   23.275356][  T398]  ? do_setlink.isra.0 (net/core/rtnetlink.c:3246)
[   23.275358][  T398]  netif_change_name.cold (net/core/dev.c:1507 (discriminator 3))
[   23.275360][  T398]  ? register_netdev (net/core/dev.c:11618)
[   23.275362][  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))
[   23.275367][  T398]  ? netdev_adjacent_rename_links (net/core/dev.c:9598)
[   23.275370][  T398]  ? __kernel_text_address (kernel/extable.c:79)
[   23.275372][  T398]  ? write_profile (profile.c:?)
[   23.275376][  T398]  ? __asan_memset (mm/kasan/shadow.c:84 (discriminator 1))
[   23.275382][  T398]  do_setlink.isra.0 (net/core/rtnetlink.c:3246)
[   23.275386][  T398]  ? stack_trace_save (kernel/stacktrace.c:122 (discriminator 1))
[   23.275388][  T398]  ? rtnl_link_get_size (net/core/rtnetlink.c:747)
[   23.275389][  T398]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:388 kernel/rcu/update.c:380)
[   23.275391][  T398]  ? stack_depot_save_flags (lib/stackdepot.c:609 (discriminator 2) lib/stackdepot.c:676 (discriminator 2))
[   23.275394][  T398]  ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4116 (discriminator 3) kernel/rcu/tree.c:4108 (discriminator 3))
[   23.275396][  T398]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380)
[   23.275398][  T398]  ? validate_chain (kernel/locking/lockdep.c:3817 (discriminator 2) kernel/locking/lockdep.c:3837 (discriminator 2) kernel/locking/lockdep.c:3892 (discriminator 2))
[   23.275400][  T398]  ? kasan_save_stack (mm/kasan/common.c:58)
[   23.275402][  T398]  ? kasan_save_stack (mm/kasan/common.c:57)
[   23.275403][  T398]  ? kasan_save_track (mm/kasan/common.c:78)
[   23.275405][  T398]  ? __kasan_kmalloc (mm/kasan/common.c:398 mm/kasan/common.c:415)
[   23.275407][  T398]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   23.275409][  T398]  ? snd_ac97_proc_read_main (sound/pci/ac97/ac97_proc.c:320)
[   23.275412][  T398]  ? ___sys_sendmsg (net/socket.c:2758)
[   23.275416][  T398]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2))
[   23.275418][  T398]  ? rtnl_newlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:366 net/core/rtnetlink.c:4214)
[   23.275420][  T398]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   23.275422][  T398]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   23.275423][  T398]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   23.275425][  T398]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   23.275426][  T398]  ? trace_contention_end (./include/trace/events/lock.h:121 (discriminator 22))
[   23.275429][  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)
[   23.275430][  T398]  ? __mutex_lock (kernel/locking/mutex.c:656 (discriminator 1) kernel/locking/mutex.c:821 (discriminator 1))
[   23.275432][  T398]  ? rtnl_newlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:366 net/core/rtnetlink.c:4214)
[   23.275435][  T398]  ? ww_mutex_lock (kernel/locking/mutex.c:934)
[   23.275436][  T398]  ? nla_get_range_signed (lib/nlattr.c:270)
[   23.275441][  T398]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   23.275443][  T398]  ? __rtnl_newlink (net/core/rtnetlink.c:4063)
[   23.275449][  T398]  rtnl_newlink (net/core/rtnetlink.c:4215)
[   23.275454][  T398]  ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558)
[   23.275456][  T398]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   23.275460][  T398]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2))
[   23.275462][  T398]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[   23.275464][  T398]  ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558)
[   23.275466][  T398]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554)
[   23.275469][  T398]  ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558)
[   23.275472][  T398]  rtnetlink_rcv_msg (net/core/rtnetlink.c:7132)
[   23.275475][  T398]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   23.275476][  T398]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   23.275480][  T398]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2))
[   23.275482][  T398]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[   23.275486][  T398]  netlink_rcv_skb (net/netlink/af_netlink.c:2556)
[   23.275489][  T398]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   23.275492][  T398]  ? netlink_ack (./include/linux/skbuff.h:2718)
[   23.275498][  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))
[   23.275500][  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))
[   23.275505][  T398]  netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[   23.275508][  T398]  ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[   23.275511][  T398]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[   23.275515][  T398]  netlink_sendmsg (net/netlink/af_netlink.c:1900)
[   23.275519][  T398]  ? netlink_unicast (./include/net/net_namespace.h:422 (discriminator 7))
[   23.275523][  T398]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554)
[   23.275525][  T398]  ? __import_iovec (lib/iov_iter.c:1358 lib/iov_iter.c:1373)
[   23.275530][  T398]  __sock_sendmsg (net/socket.c:800 (discriminator 4) net/socket.c:815 (discriminator 4))
[   23.275533][  T398]  ____sys_sendmsg (net/socket.c:2713)
[   23.275535][  T398]  ? copy_msghdr_from_user (net/socket.c:2650)
[   23.275537][  T398]  ? sock_write_iter (net/socket.c:1269)
[   23.275539][  T398]  ? move_addr_to_kernel (net/socket.c:258)
[   23.275546][  T398]  ___sys_sendmsg (net/socket.c:2767)
[   23.275549][  T398]  ? copy_msghdr_from_user (net/socket.c:2619)
[   23.275564][  T398]  __sys_sendmsg (net/socket.c:2799)
[   23.275567][  T398]  ? __sys_sendmsg_sock (net/socket.c:2780)
[   23.275573][  T398]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   23.275576][  T398]  do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84)
[   23.275579][  T398]  ? exc_page_fault (arch/x86/mm/fault.c:1489 (discriminator 3) arch/x86/mm/fault.c:1536 (discriminator 3))
[   23.275582][  T398]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[   23.275584][  T398] RIP: 0033:0x7f7a6ab0b54e
[   23.275588][  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
[   23.275589][  T398] RSP: 002b:00007ffcbaf3b930 EFLAGS: 00000202 ORIG_RAX: 000000000000002e
[   23.275592][  T398] RAX: ffffffffffffffda RBX: 0000000000000005 RCX: 00007f7a6ab0b54e
[   23.275593][  T398] RDX: 0000000000000000 RSI: 00007ffcbaf3b9e0 RDI: 0000000000000005
[   23.275594][  T398] RBP: 00007ffcbaf3b940 R08: 0000000000000000 R09: 0000000000000000
[   23.275595][  T398] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a915af9
[   23.275596][  T398] R13: 00000000004a1620 R14: 0000000000000000 R15: 00007ffcbaf3c0a0
| [   24.304826][  T417] softirqs last disabled at (35046): netif_change_name (./include/linux/spinlock.h:353 ./include/linux/seqlock.h:908 net/core/dev.c:1499)
| [   24.304828][  T417] Preemption disabled at:
| [   24.304829][  T417] vprintk_emit (kernel/printk/printk.c:2471)
| [   24.304837][  T417] Tainted: [W]=WARN
[   24.304838][  T417] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   24.304840][  T417] Call Trace:
[   24.304841][  T417]  <TASK>
[   24.304843][  T417]  dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120)
[   24.304848][  T417]  ? vprintk_emit (kernel/printk/printk.c:2471)
[   24.304850][  T417]  __might_resched.cold (kernel/sched/core.c:9234)
[   24.304854][  T417]  ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3))
[   24.304858][  T417]  ? __kmalloc_noprof (./include/linux/sched/mm.h:317 mm/slub.c:4636 mm/slub.c:4974 mm/slub.c:5413 mm/slub.c:5439)
[   24.304863][  T417]  __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))
[   24.304865][  T417]  ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[   24.304871][  T417]  ? 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)
[   24.304874][  T417]  alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[   24.304877][  T417]  put_chars (drivers/char/virtio_console.c:1176)
[   24.304880][  T417]  ? __send_to_port (drivers/char/virtio_console.c:654)
[   24.304886][  T417]  hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2))
[   24.304894][  T417]  ? hvc_write (drivers/tty/hvc/hvc_console.c:501)
[   24.304897][  T417]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   24.304901][  T417]  console_emit_next_record (kernel/printk/printk.c:3183)
[   24.304905][  T417]  ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20)
[   24.304907][  T417]  ? 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))
[   24.304910][  T417]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   24.304913][  T417]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   24.304916][  T417]  console_flush_one_record (kernel/printk/printk.c:3268)
[   24.304921][  T417]  ? console_emit_next_record (kernel/printk/printk.c:3150)
[   24.304923][  T417]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   24.304928][  T417]  console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420)
[   24.304931][  T417]  ? console_flush_one_record (kernel/printk/printk.c:3316)
[   24.304933][  T417]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   24.304934][  T417]  ? lock_acquire (./include/linux/srcutree.h:374 ./include/linux/srcu.h:541 ./include/linux/srcu.h:645 ./include/trace/events/lock.h:23 ./include/trace/events/lock.h:23 kernel/locking/lockdep.c:5871)
[   24.304938][  T417]  ? __down_trylock_console_sem (kernel/printk/printk.c:334)
[   24.304940][  T417]  ? vprintk_emit (kernel/printk/printk.c:2478)
[   24.304942][  T417]  vprintk_emit (kernel/printk/printk.c:2479)
[   24.304945][  T417]  ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126))
[   24.304948][  T417]  ? _mutex_trylock_nest_lock (kernel/locking/mutex.c:1227 (discriminator 6))
[   24.304953][  T417]  _printk (kernel/printk/printk.c:2504)
[   24.304957][  T417]  ? snapshot_read.cold (user.c:?)
[   24.304958][  T417]  ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4116 (discriminator 3) kernel/rcu/tree.c:4108 (discriminator 3))
[   24.304961][  T417]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380)
[   24.304964][  T417]  ? validate_chain (kernel/locking/lockdep.c:3817 (discriminator 2) kernel/locking/lockdep.c:3837 (discriminator 2) kernel/locking/lockdep.c:3892 (discriminator 2))
[   24.304966][  T417]  ? netdev_name (./include/linux/netdevice.h:5709 (discriminator 1))
[   24.304970][  T417]  ? __netdev_printk (net/core/dev.c:13148 (discriminator 2))
[   24.304973][  T417]  ? do_setlink.isra.0 (net/core/rtnetlink.c:3246)
[   24.304975][  T417]  netdev_info (net/core/dev.c:13195 (discriminator 3))
[   24.304978][  T417]  ? netdev_notice (net/core/dev.c:13194)
[   24.304981][  T417]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[   24.304984][  T417]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554)
[   24.304986][  T417]  ? mark_held_locks (kernel/locking/lockdep.c:4341)
[   24.304990][  T417]  ? do_setlink.isra.0 (net/core/rtnetlink.c:3246)
[   24.304992][  T417]  netif_change_name.cold (net/core/dev.c:1507 (discriminator 3))
[   24.304994][  T417]  ? register_netdev (net/core/dev.c:11618)
[   24.304995][  T417]  ? 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))
[   24.305001][  T417]  ? netdev_adjacent_rename_links (net/core/dev.c:9598)
[   24.305003][  T417]  ? __kernel_text_address (kernel/extable.c:79)
[   24.305006][  T417]  ? write_profile (profile.c:?)
[   24.305010][  T417]  ? __asan_memset (mm/kasan/shadow.c:84 (discriminator 1))
[   24.305015][  T417]  do_setlink.isra.0 (net/core/rtnetlink.c:3246)
[   24.305019][  T417]  ? stack_trace_save (kernel/stacktrace.c:122 (discriminator 1))
[   24.305021][  T417]  ? rtnl_link_get_size (net/core/rtnetlink.c:747)
[   24.305022][  T417]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:388 kernel/rcu/update.c:380)
[   24.305024][  T417]  ? stack_depot_save_flags (lib/stackdepot.c:609 (discriminator 2) lib/stackdepot.c:676 (discriminator 2))
[   24.305027][  T417]  ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4116 (discriminator 3) kernel/rcu/tree.c:4108 (discriminator 3))
[   24.305029][  T417]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380)
[   24.305031][  T417]  ? validate_chain (kernel/locking/lockdep.c:3817 (discriminator 2) kernel/locking/lockdep.c:3837 (discriminator 2) kernel/locking/lockdep.c:3892 (discriminator 2))
[   24.305033][  T417]  ? kasan_save_stack (mm/kasan/common.c:58)
[   24.305035][  T417]  ? kasan_save_stack (mm/kasan/common.c:57)
[   24.305036][  T417]  ? kasan_save_track (mm/kasan/common.c:78)
[   24.305038][  T417]  ? __kasan_kmalloc (mm/kasan/common.c:398 mm/kasan/common.c:415)
[   24.305040][  T417]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   24.305042][  T417]  ? snd_ac97_proc_read_main (sound/pci/ac97/ac97_proc.c:320)
[   24.305045][  T417]  ? ___sys_sendmsg (net/socket.c:2758)
[   24.305049][  T417]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2))
[   24.305051][  T417]  ? rtnl_newlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:366 net/core/rtnetlink.c:4214)
[   24.305053][  T417]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   24.305055][  T417]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   24.305056][  T417]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   24.305057][  T417]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   24.305059][  T417]  ? trace_contention_end (./include/trace/events/lock.h:121 (discriminator 22))
[   24.305061][  T417]  ? __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)
[   24.305062][  T417]  ? __mutex_lock (kernel/locking/mutex.c:656 (discriminator 1) kernel/locking/mutex.c:821 (discriminator 1))
[   24.305064][  T417]  ? rtnl_newlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:366 net/core/rtnetlink.c:4214)
[   24.305068][  T417]  ? ww_mutex_lock (kernel/locking/mutex.c:934)
[   24.305069][  T417]  ? nla_get_range_signed (lib/nlattr.c:270)
[   24.305074][  T417]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   24.305076][  T417]  ? __rtnl_newlink (net/core/rtnetlink.c:4063)
[   24.305081][  T417]  rtnl_newlink (net/core/rtnetlink.c:4215)
[   24.305086][  T417]  ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558)
[   24.305088][  T417]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   24.305093][  T417]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2))
[   24.305094][  T417]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[   24.305096][  T417]  ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558)
[   24.305098][  T417]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554)
[   24.305102][  T417]  ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558)
[   24.305104][  T417]  rtnetlink_rcv_msg (net/core/rtnetlink.c:7132)
[   24.305107][  T417]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   24.305108][  T417]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   24.305113][  T417]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2))
[   24.305115][  T417]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[   24.305118][  T417]  netlink_rcv_skb (net/netlink/af_netlink.c:2556)
[   24.305121][  T417]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   24.305124][  T417]  ? netlink_ack (./include/linux/skbuff.h:2718)
[   24.305130][  T417]  ? 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))
[   24.305132][  T417]  ? 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))
[   24.305137][  T417]  netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[   24.305141][  T417]  ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[   24.305143][  T417]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[   24.305147][  T417]  netlink_sendmsg (net/netlink/af_netlink.c:1900)
[   24.305151][  T417]  ? netlink_unicast (./include/net/net_namespace.h:422 (discriminator 7))
[   24.305155][  T417]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554)
[   24.305157][  T417]  ? __import_iovec (lib/iov_iter.c:1358 lib/iov_iter.c:1373)
[   24.305162][  T417]  __sock_sendmsg (net/socket.c:800 (discriminator 4) net/socket.c:815 (discriminator 4))
[   24.305164][  T417]  ____sys_sendmsg (net/socket.c:2713)
[   24.305167][  T417]  ? copy_msghdr_from_user (net/socket.c:2650)
[   24.305169][  T417]  ? sock_write_iter (net/socket.c:1269)
[   24.305170][  T417]  ? move_addr_to_kernel (net/socket.c:258)
[   24.305178][  T417]  ___sys_sendmsg (net/socket.c:2767)
[   24.305180][  T417]  ? copy_msghdr_from_user (net/socket.c:2619)
[   24.305196][  T417]  __sys_sendmsg (net/socket.c:2799)
[   24.305199][  T417]  ? __sys_sendmsg_sock (net/socket.c:2780)
[   24.305205][  T417]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   24.305208][  T417]  do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84)
[   24.305211][  T417]  ? exc_page_fault (arch/x86/mm/fault.c:1489 (discriminator 3) arch/x86/mm/fault.c:1536 (discriminator 3))
[   24.305214][  T417]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[   24.305216][  T417] RIP: 0033:0x7fae0515754e
[   24.305220][  T417] 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
[   24.305221][  T417] RSP: 002b:00007fff67f44e90 EFLAGS: 00000202 ORIG_RAX: 000000000000002e
[   24.305224][  T417] RAX: ffffffffffffffda RBX: 0000000000000005 RCX: 00007fae0515754e
[   24.305226][  T417] RDX: 0000000000000000 RSI: 00007fff67f44f40 RDI: 0000000000000005
[   24.305226][  T417] RBP: 00007fff67f44ea0 R08: 0000000000000000 R09: 0000000000000000
[   24.305227][  T417] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a915afa
[   24.305228][  T417] R13: 00000000004a1620 R14: 0000000000000000 R15: 00007fff67f45600
| [   29.273996][   T71] softirqs last disabled at (212152): br_device_event (./include/linux/spinlock.h:353 net/bridge/br.c:109)
| [   29.273998][   T71] Preemption disabled at:
| [   29.273999][   T71] 0x0
| [   29.274009][   T71] Tainted: [W]=WARN
[   29.274010][   T71] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   29.274012][   T71] Workqueue: netns cleanup_net
[   29.274016][   T71] Call Trace:
[   29.274017][   T71]  <TASK>
[   29.274019][   T71]  dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120)
[   29.274026][   T71]  __might_resched.cold (kernel/sched/core.c:9234)
[   29.274030][   T71]  ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3))
[   29.274035][   T71]  ? __kmalloc_noprof (./include/linux/sched/mm.h:317 mm/slub.c:4636 mm/slub.c:4974 mm/slub.c:5413 mm/slub.c:5439)
[   29.274039][   T71]  __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))
[   29.274041][   T71]  ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[   29.274048][   T71]  ? 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)
[   29.274051][   T71]  alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[   29.274055][   T71]  put_chars (drivers/char/virtio_console.c:1176)
[   29.274057][   T71]  ? __send_to_port (drivers/char/virtio_console.c:654)
[   29.274064][   T71]  hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2))
[   29.274072][   T71]  ? hvc_write (drivers/tty/hvc/hvc_console.c:501)
[   29.274076][   T71]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   29.274081][   T71]  console_emit_next_record (kernel/printk/printk.c:3183)
[   29.274085][   T71]  ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20)
[   29.274087][   T71]  ? 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))
[   29.274090][   T71]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   29.274093][   T71]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   29.274097][   T71]  console_flush_one_record (kernel/printk/printk.c:3268)
[   29.274101][   T71]  ? console_emit_next_record (kernel/printk/printk.c:3150)
[   29.274103][   T71]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   29.274109][   T71]  console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420)
[   29.274112][   T71]  ? console_flush_one_record (kernel/printk/printk.c:3316)
[   29.274114][   T71]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   29.274116][   T71]  ? lock_acquire (./include/linux/srcutree.h:374 ./include/linux/srcu.h:541 ./include/linux/srcu.h:645 ./include/trace/events/lock.h:23 ./include/trace/events/lock.h:23 kernel/locking/lockdep.c:5871)
[   29.274120][   T71]  ? __down_trylock_console_sem (kernel/printk/printk.c:334)
[   29.274121][   T71]  ? vprintk_emit (kernel/printk/printk.c:2478)
[   29.274124][   T71]  vprintk_emit (kernel/printk/printk.c:2479)
[   29.274128][   T71]  ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126))
[   29.274129][   T71]  ? mark_held_locks (kernel/locking/lockdep.c:4341)
[   29.274132][   T71]  ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4116 (discriminator 3) kernel/rcu/tree.c:4108 (discriminator 3))
[   29.274134][   T71]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380)
[   29.274138][   T71]  _printk (kernel/printk/printk.c:2504)
[   29.274142][   T71]  ? snapshot_read.cold (user.c:?)
[   29.274150][   T71]  br_set_state (net/bridge/br_stp.c:57 (discriminator 2))
[   29.274155][   T71]  br_stp_disable_port (net/bridge/br_stp_if.c:106)
[   29.274159][   T71]  br_device_event (net/bridge/br.c:111)
[   29.274161][   T71]  ? _raw_spin_unlock_irqrestore (./include/linux/spinlock_api_smp.h:211 (discriminator 1) kernel/locking/spinlock.c:221 (discriminator 1))
[   29.274165][   T71]  ? packet_sendmsg_spkt (af_packet.c:?)
[   29.274171][   T71]  notifier_call_chain (kernel/notifier.c:85)
[   29.274177][   T71]  netif_close_many (net/core/dev.c:2313 net/core/dev.c:2327 net/core/dev.c:1829)
[   29.274180][   T71]  ? trace_kfree (./include/trace/events/kmem.h:97 (discriminator 22))
[   29.274184][   T71]  ? __dev_close_many (net/core/dev.c:1804)
[   29.274187][   T71]  ? netif_close_many_and_unlock (net/core/dev.c:12411)
[   29.274191][   T71]  unregister_netdevice_many_notify (net/core/dev.c:12487)
[   29.274194][   T71]  ? ops_undo_list (net/core/net_namespace.c:206 net/core/net_namespace.c:253)
[   29.274196][   T71]  ? worker_thread (kernel/workqueue.c:3470 kernel/workqueue.c:3551)
[   29.274198][   T71]  ? kthread (kernel/kthread.c:436)
[   29.274200][   T71]  ? ret_from_fork (arch/x86/kernel/process.c:158)
[   29.274203][   T71]  ? ret_from_fork_asm (arch/x86/entry/entry_64.S:245)
[   29.274206][   T71]  ? unregister_netdevice_queued (./include/linux/list.h:419 (discriminator 3))
[   29.274214][   T71]  default_device_exit_batch (net/core/dev.c:12589 net/core/dev.c:13288)
[   29.274217][   T71]  ? unregister_netdevice_queue (./include/linux/list.h:173)
[   29.274220][   T71]  ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3))
[   29.274222][   T71]  ? fou_exit_net (net/ipv4/fou_core.c:1228)
[   29.274227][   T71]  ops_undo_list (net/core/net_namespace.c:206 net/core/net_namespace.c:253)
[   29.274230][   T71]  ? lockdep_hardirqs_on (kernel/locking/lockdep.c:4488)
[   29.274234][   T71]  ? netns_install (./include/linux/ns_common.h:26)
[   29.274235][   T71]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554)
[   29.274238][   T71]  ? idr_destroy (lib/radix-tree.c:310 lib/radix-tree.c:674 lib/radix-tree.c:1563)
[   29.274243][   T71]  cleanup_net (net/core/net_namespace.c:706)
[   29.274246][   T71]  ? net_passive_dec (./include/linux/llist.h:241)
[   29.274250][   T71]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   29.274252][   T71]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   29.274256][   T71]  process_one_work (kernel/workqueue.c:3387)
[   29.274263][   T71]  ? __queue_delayed_work (kernel/workqueue.c:2622)
[   29.274266][   T71]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2))
[   29.274274][   T71]  worker_thread (kernel/workqueue.c:3470 kernel/workqueue.c:3551)
[   29.274278][   T71]  ? rescuer_thread (./include/linux/list.h:419 (discriminator 3))
[   29.274280][   T71]  ? __kthread_parkme (./include/linux/instrumented.h:82 ./include/asm-generic/bitops/instrumented-non-atomic.h:141 kernel/kthread.c:272)
[   29.274283][   T71]  ? rescuer_thread (./include/linux/list.h:419 (discriminator 3))
[   29.274286][   T71]  ? rescuer_thread (./include/linux/list.h:419 (discriminator 3))
[   29.274294][   T71]  kthread (kernel/kthread.c:436)
[   29.274296][   T71]  ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22))
[   29.274299][   T71]  ? kthread_affine_preferred (kernel/kthread.c:857)
[   29.274302][   T71]  ret_from_fork (arch/x86/kernel/process.c:158)
[   29.274305][   T71]  ? arch_exit_to_user_mode_prepare.isra.0 (arch/x86/entry/vdso/vma.c:80 (discriminator 1))
[   29.274309][   T71]  ? __switch_to (arch/x86/kernel/process_64.c:403 arch/x86/kernel/process_64.c:663)
[   29.274312][   T71]  ? kthread_affine_preferred (kernel/kthread.c:857)
[   29.274315][   T71]  ret_from_fork_asm (arch/x86/entry/entry_64.S:245)
| [   32.330411][  T525] softirqs last disabled at (45355): __irq_exit_rcu (kernel/softirq.c:679 kernel/softirq.c:519 kernel/softirq.c:767)
| [   32.330413][  T525] Preemption disabled at:
| [   32.330414][  T525] vprintk_emit (kernel/printk/printk.c:2471)
| [   32.330422][  T525] Tainted: [W]=WARN
[   32.330423][  T525] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   32.330425][  T525] Call Trace:
[   32.330426][  T525]  <TASK>
[   32.330428][  T525]  dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120)
[   32.330434][  T525]  ? vprintk_emit (kernel/printk/printk.c:2471)
[   32.330435][  T525]  __might_resched.cold (kernel/sched/core.c:9234)
[   32.330440][  T525]  ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3))
[   32.330444][  T525]  ? __kmalloc_noprof (./include/linux/sched/mm.h:317 mm/slub.c:4636 mm/slub.c:4974 mm/slub.c:5413 mm/slub.c:5439)
[   32.330449][  T525]  __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))
[   32.330451][  T525]  ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[   32.330457][  T525]  ? 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)
[   32.330460][  T525]  alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[   32.330464][  T525]  put_chars (drivers/char/virtio_console.c:1176)
[   32.330467][  T525]  ? __send_to_port (drivers/char/virtio_console.c:654)
[   32.330473][  T525]  hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2))
[   32.330480][  T525]  ? hvc_write (drivers/tty/hvc/hvc_console.c:501)
[   32.330483][  T525]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   32.330488][  T525]  console_emit_next_record (kernel/printk/printk.c:3183)
[   32.330492][  T525]  ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20)
[   32.330494][  T525]  ? 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))
[   32.330497][  T525]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   32.330499][  T525]  ? irqentry_exit (./include/linux/irq-entry-common.h:507 ./include/linux/irq-entry-common.h:542 kernel/entry/common.c:167)
[   32.330501][  T525]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   32.330505][  T525]  console_flush_one_record (kernel/printk/printk.c:3268)
[   32.330509][  T525]  ? console_emit_next_record (kernel/printk/printk.c:3150)
[   32.330512][  T525]  ? _cpu_down (cpu.c:?)
[   32.330516][  T525]  console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420)
[   32.330519][  T525]  ? console_flush_one_record (kernel/printk/printk.c:3316)
[   32.330521][  T525]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   32.330522][  T525]  ? lock_acquire (./include/linux/srcutree.h:374 ./include/linux/srcu.h:541 ./include/linux/srcu.h:645 ./include/trace/events/lock.h:23 ./include/trace/events/lock.h:23 kernel/locking/lockdep.c:5871)
[   32.330526][  T525]  ? __down_trylock_console_sem (kernel/printk/printk.c:334)
[   32.330528][  T525]  ? vprintk_emit (kernel/printk/printk.c:2478)
[   32.330531][  T525]  vprintk_emit (kernel/printk/printk.c:2479)
[   32.330534][  T525]  ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126))
[   32.330536][  T525]  ? _mutex_trylock_nest_lock (kernel/locking/mutex.c:1227 (discriminator 6))
[   32.330540][  T525]  _printk (kernel/printk/printk.c:2504)
[   32.330543][  T525]  ? snapshot_read.cold (user.c:?)
[   32.330545][  T525]  ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4116 (discriminator 3) kernel/rcu/tree.c:4108 (discriminator 3))
[   32.330548][  T525]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380)
[   32.330550][  T525]  ? validate_chain (kernel/locking/lockdep.c:3817 (discriminator 2) kernel/locking/lockdep.c:3837 (discriminator 2) kernel/locking/lockdep.c:3892 (discriminator 2))
[   32.330553][  T525]  ? netdev_name (./include/linux/netdevice.h:5709 (discriminator 1))
[   32.330556][  T525]  ? __netdev_printk (net/core/dev.c:13148 (discriminator 2))
[   32.330559][  T525]  ? do_setlink.isra.0 (net/core/rtnetlink.c:3246)
[   32.330561][  T525]  netdev_info (net/core/dev.c:13195 (discriminator 3))
[   32.330564][  T525]  ? netdev_notice (net/core/dev.c:13194)
[   32.330567][  T525]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[   32.330570][  T525]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554)
[   32.330572][  T525]  ? mark_held_locks (kernel/locking/lockdep.c:4341)
[   32.330575][  T525]  ? do_setlink.isra.0 (net/core/rtnetlink.c:3246)
[   32.330577][  T525]  netif_change_name.cold (net/core/dev.c:1507 (discriminator 3))
[   32.330579][  T525]  ? register_netdev (net/core/dev.c:11618)
[   32.330582][  T525]  ? 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))
[   32.330587][  T525]  ? netdev_adjacent_rename_links (net/core/dev.c:9598)
[   32.330590][  T525]  ? __kernel_text_address (kernel/extable.c:79)
[   32.330592][  T525]  ? write_profile (profile.c:?)
[   32.330596][  T525]  ? __asan_memset (mm/kasan/shadow.c:84 (discriminator 1))
[   32.330602][  T525]  do_setlink.isra.0 (net/core/rtnetlink.c:3246)
[   32.330605][  T525]  ? stack_trace_save (kernel/stacktrace.c:122 (discriminator 1))
[   32.330608][  T525]  ? rtnl_link_get_size (net/core/rtnetlink.c:747)
[   32.330609][  T525]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:388 kernel/rcu/update.c:380)
[   32.330611][  T525]  ? stack_depot_save_flags (lib/stackdepot.c:609 (discriminator 2) lib/stackdepot.c:676 (discriminator 2))
[   32.330614][  T525]  ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4116 (discriminator 3) kernel/rcu/tree.c:4108 (discriminator 3))
[   32.330616][  T525]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380)
[   32.330617][  T525]  ? validate_chain (kernel/locking/lockdep.c:3817 (discriminator 2) kernel/locking/lockdep.c:3837 (discriminator 2) kernel/locking/lockdep.c:3892 (discriminator 2))
[   32.330620][  T525]  ? kasan_save_stack (mm/kasan/common.c:58)
[   32.330622][  T525]  ? kasan_save_stack (mm/kasan/common.c:57)
[   32.330623][  T525]  ? kasan_save_track (mm/kasan/common.c:78)
[   32.330624][  T525]  ? __kasan_kmalloc (mm/kasan/common.c:398 mm/kasan/common.c:415)
[   32.330626][  T525]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   32.330628][  T525]  ? snd_ac97_proc_read_main (sound/pci/ac97/ac97_proc.c:320)
[   32.330631][  T525]  ? ___sys_sendmsg (net/socket.c:2758)
[   32.330635][  T525]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2))
[   32.330637][  T525]  ? rtnl_newlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:366 net/core/rtnetlink.c:4214)
[   32.330640][  T525]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   32.330641][  T525]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   32.330643][  T525]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   32.330644][  T525]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   32.330646][  T525]  ? trace_contention_end (./include/trace/events/lock.h:121 (discriminator 22))
[   32.330648][  T525]  ? __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)
[   32.330649][  T525]  ? __mutex_lock (kernel/locking/mutex.c:656 (discriminator 1) kernel/locking/mutex.c:821 (discriminator 1))
[   32.330651][  T525]  ? rtnl_newlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:366 net/core/rtnetlink.c:4214)
[   32.330654][  T525]  ? ww_mutex_lock (kernel/locking/mutex.c:934)
[   32.330656][  T525]  ? nla_get_range_signed (lib/nlattr.c:270)
[   32.330660][  T525]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   32.330663][  T525]  ? __rtnl_newlink (net/core/rtnetlink.c:4063)
[   32.330668][  T525]  rtnl_newlink (net/core/rtnetlink.c:4215)
[   32.330673][  T525]  ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558)
[   32.330675][  T525]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   32.330680][  T525]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2))
[   32.330681][  T525]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[   32.330683][  T525]  ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558)
[   32.330685][  T525]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554)
[   32.330689][  T525]  ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558)
[   32.330691][  T525]  rtnetlink_rcv_msg (net/core/rtnetlink.c:7132)
[   32.330694][  T525]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   32.330695][  T525]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   32.330700][  T525]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2))
[   32.330702][  T525]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[   32.330705][  T525]  netlink_rcv_skb (net/netlink/af_netlink.c:2556)
[   32.330708][  T525]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   32.330711][  T525]  ? netlink_ack (./include/linux/skbuff.h:2718)
[   32.330718][  T525]  ? 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))
[   32.330720][  T525]  ? 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))
[   32.330724][  T525]  netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[   32.330728][  T525]  ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[   32.330731][  T525]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[   32.330735][  T525]  netlink_sendmsg (net/netlink/af_netlink.c:1900)
[   32.330739][  T525]  ? netlink_unicast (./include/net/net_namespace.h:422 (discriminator 7))
[   32.330743][  T525]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554)
[   32.330744][  T525]  ? __import_iovec (lib/iov_iter.c:1358 lib/iov_iter.c:1373)
[   32.330749][  T525]  __sock_sendmsg (net/socket.c:800 (discriminator 4) net/socket.c:815 (discriminator 4))
[   32.330752][  T525]  ____sys_sendmsg (net/socket.c:2713)
[   32.330754][  T525]  ? copy_msghdr_from_user (net/socket.c:2650)
[   32.330757][  T525]  ? sock_write_iter (net/socket.c:1269)
[   32.330758][  T525]  ? move_addr_to_kernel (net/socket.c:258)
[   32.330765][  T525]  ___sys_sendmsg (net/socket.c:2767)
[   32.330768][  T525]  ? copy_msghdr_from_user (net/socket.c:2619)
[   32.330784][  T525]  __sys_sendmsg (net/socket.c:2799)
[   32.330787][  T525]  ? __sys_sendmsg_sock (net/socket.c:2780)
[   32.330793][  T525]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   32.330796][  T525]  do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84)
[   32.330799][  T525]  ? exc_page_fault (arch/x86/mm/fault.c:1489 (discriminator 3) arch/x86/mm/fault.c:1536 (discriminator 3))
[   32.330802][  T525]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[   32.330804][  T525] RIP: 0033:0x7fad22d4454e
[   32.330808][  T525] 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
[   32.330810][  T525] RSP: 002b:00007ffd2c3c9d90 EFLAGS: 00000202 ORIG_RAX: 000000000000002e
[   32.330813][  T525] RAX: ffffffffffffffda RBX: 0000000000000005 RCX: 00007fad22d4454e
[   32.330814][  T525] RDX: 0000000000000000 RSI: 00007ffd2c3c9e40 RDI: 0000000000000005
[   32.330815][  T525] RBP: 00007ffd2c3c9da0 R08: 0000000000000000 R09: 0000000000000000
[   32.330816][  T525] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a915b02
[   32.330817][  T525] R13: 00000000004a1620 R14: 0000000000000000 R15: 00007ffd2c3ca500
| [   38.298841][  T585] softirqs last disabled at (36420): netif_change_name (./include/linux/spinlock.h:353 ./include/linux/seqlock.h:908 net/core/dev.c:1499)
| [   38.298843][  T585] Preemption disabled at:
| [   38.298844][  T585] vprintk_emit (kernel/printk/printk.c:2471)
| [   38.298853][  T585] Tainted: [W]=WARN
[   38.298854][  T585] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   38.298856][  T585] Call Trace:
[   38.298857][  T585]  <TASK>
[   38.298859][  T585]  dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120)
[   38.298865][  T585]  ? vprintk_emit (kernel/printk/printk.c:2471)
[   38.298867][  T585]  __might_resched.cold (kernel/sched/core.c:9234)
[   38.298871][  T585]  ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3))
[   38.298875][  T585]  ? __kmalloc_noprof (./include/linux/sched/mm.h:317 mm/slub.c:4636 mm/slub.c:4974 mm/slub.c:5413 mm/slub.c:5439)
[   38.298879][  T585]  __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))
[   38.298881][  T585]  ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[   38.298888][  T585]  ? 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)
[   38.298891][  T585]  alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[   38.298895][  T585]  put_chars (drivers/char/virtio_console.c:1176)
[   38.298897][  T585]  ? __send_to_port (drivers/char/virtio_console.c:654)
[   38.298904][  T585]  hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2))
[   38.298911][  T585]  ? hvc_write (drivers/tty/hvc/hvc_console.c:501)
[   38.298914][  T585]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   38.298919][  T585]  console_emit_next_record (kernel/printk/printk.c:3183)
[   38.298923][  T585]  ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20)
[   38.298925][  T585]  ? 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))
[   38.298928][  T585]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   38.298931][  T585]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   38.298935][  T585]  console_flush_one_record (kernel/printk/printk.c:3268)
[   38.298939][  T585]  ? console_emit_next_record (kernel/printk/printk.c:3150)
[   38.298941][  T585]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   38.298946][  T585]  console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420)
[   38.298949][  T585]  ? console_flush_one_record (kernel/printk/printk.c:3316)
[   38.298951][  T585]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   38.298953][  T585]  ? lock_acquire (./include/linux/srcutree.h:374 ./include/linux/srcu.h:541 ./include/linux/srcu.h:645 ./include/trace/events/lock.h:23 ./include/trace/events/lock.h:23 kernel/locking/lockdep.c:5871)
[   38.298956][  T585]  ? __down_trylock_console_sem (kernel/printk/printk.c:334)
[   38.298958][  T585]  ? vprintk_emit (kernel/printk/printk.c:2478)
[   38.298961][  T585]  vprintk_emit (kernel/printk/printk.c:2479)
[   38.298964][  T585]  ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126))
[   38.298966][  T585]  ? mark_usage (kernel/locking/lockdep.c:4690)
[   38.298967][  T585]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[   38.298969][  T585]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   38.298973][  T585]  _printk (kernel/printk/printk.c:2504)
[   38.298977][  T585]  ? snapshot_read.cold (user.c:?)
[   38.298978][  T585]  ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4116 (discriminator 3) kernel/rcu/tree.c:4108 (discriminator 3))
[   38.298981][  T585]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380)
[   38.298984][  T585]  ? validate_chain (kernel/locking/lockdep.c:3817 (discriminator 2) kernel/locking/lockdep.c:3837 (discriminator 2) kernel/locking/lockdep.c:3892 (discriminator 2))
[   38.298986][  T585]  ? netdev_name (./include/linux/netdevice.h:5709 (discriminator 1))
[   38.298990][  T585]  ? __netdev_printk (net/core/dev.c:13148 (discriminator 2))
[   38.298992][  T585]  ? do_setlink.isra.0 (net/core/rtnetlink.c:3246)
[   38.298995][  T585]  netdev_info (net/core/dev.c:13195 (discriminator 3))
[   38.298998][  T585]  ? netdev_notice (net/core/dev.c:13194)
[   38.299000][  T585]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[   38.299003][  T585]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554)
[   38.299006][  T585]  ? mark_held_locks (kernel/locking/lockdep.c:4341)
[   38.299009][  T585]  ? do_setlink.isra.0 (net/core/rtnetlink.c:3246)
[   38.299011][  T585]  netif_change_name.cold (net/core/dev.c:1507 (discriminator 3))
[   38.299014][  T585]  ? netif_set_mtu_ext (net/core/dev.c:2350 net/core/dev.c:9952)
[   38.299018][  T585]  ? netdev_adjacent_rename_links (net/core/dev.c:9598)
[   38.299022][  T585]  ? __asan_memset (mm/kasan/shadow.c:84 (discriminator 1))
[   38.299028][  T585]  do_setlink.isra.0 (net/core/rtnetlink.c:3246)
[   38.299031][  T585]  ? stack_trace_save (kernel/stacktrace.c:122 (discriminator 1))
[   38.299035][  T585]  ? rtnl_link_get_size (net/core/rtnetlink.c:747)
[   38.299036][  T585]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:388 kernel/rcu/update.c:380)
[   38.299038][  T585]  ? stack_depot_save_flags (lib/stackdepot.c:609 (discriminator 2) lib/stackdepot.c:676 (discriminator 2))
[   38.299041][  T585]  ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4116 (discriminator 3) kernel/rcu/tree.c:4108 (discriminator 3))
[   38.299043][  T585]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380)
[   38.299045][  T585]  ? validate_chain (kernel/locking/lockdep.c:3817 (discriminator 2) kernel/locking/lockdep.c:3837 (discriminator 2) kernel/locking/lockdep.c:3892 (discriminator 2))
[   38.299047][  T585]  ? kasan_save_stack (mm/kasan/common.c:58)
[   38.299049][  T585]  ? kasan_save_stack (mm/kasan/common.c:57)
[   38.299050][  T585]  ? kasan_save_track (mm/kasan/common.c:78)
[   38.299051][  T585]  ? __kasan_kmalloc (mm/kasan/common.c:398 mm/kasan/common.c:415)
[   38.299054][  T585]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   38.299056][  T585]  ? snd_ac97_proc_read_main (sound/pci/ac97/ac97_proc.c:320)
[   38.299059][  T585]  ? ___sys_sendmsg (net/socket.c:2758)
[   38.299063][  T585]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2))
[   38.299065][  T585]  ? rtnl_newlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:366 net/core/rtnetlink.c:4214)
[   38.299067][  T585]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   38.299069][  T585]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   38.299070][  T585]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   38.299071][  T585]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   38.299073][  T585]  ? trace_contention_end (./include/trace/events/lock.h:121 (discriminator 22))
[   38.299075][  T585]  ? __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)
[   38.299078][  T585]  ? __mutex_lock (kernel/locking/mutex.c:656 (discriminator 1) kernel/locking/mutex.c:821 (discriminator 1))
[   38.299080][  T585]  ? rtnl_newlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:366 net/core/rtnetlink.c:4214)
[   38.299083][  T585]  ? ww_mutex_lock (kernel/locking/mutex.c:934)
[   38.299084][  T585]  ? nla_get_range_signed (lib/nlattr.c:270)
[   38.299089][  T585]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   38.299092][  T585]  ? __rtnl_newlink (net/core/rtnetlink.c:4063)
[   38.299097][  T585]  rtnl_newlink (net/core/rtnetlink.c:4215)
[   38.299102][  T585]  ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558)
[   38.299104][  T585]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   38.299108][  T585]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2))
[   38.299110][  T585]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[   38.299112][  T585]  ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558)
[   38.299114][  T585]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554)
[   38.299118][  T585]  ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558)
[   38.299120][  T585]  rtnetlink_rcv_msg (net/core/rtnetlink.c:7132)
[   38.299123][  T585]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   38.299124][  T585]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   38.299128][  T585]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2))
[   38.299130][  T585]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[   38.299134][  T585]  netlink_rcv_skb (net/netlink/af_netlink.c:2556)
[   38.299137][  T585]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   38.299140][  T585]  ? netlink_ack (./include/linux/skbuff.h:2718)
[   38.299146][  T585]  ? 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))
[   38.299148][  T585]  ? 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))
[   38.299153][  T585]  netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[   38.299157][  T585]  ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[   38.299159][  T585]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[   38.299163][  T585]  netlink_sendmsg (net/netlink/af_netlink.c:1900)
[   38.299167][  T585]  ? netlink_unicast (./include/net/net_namespace.h:422 (discriminator 7))
[   38.299171][  T585]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554)
[   38.299173][  T585]  ? __import_iovec (lib/iov_iter.c:1358 lib/iov_iter.c:1373)
[   38.299178][  T585]  __sock_sendmsg (net/socket.c:800 (discriminator 4) net/socket.c:815 (discriminator 4))
[   38.299181][  T585]  ____sys_sendmsg (net/socket.c:2713)
[   38.299183][  T585]  ? copy_msghdr_from_user (net/socket.c:2650)
[   38.299185][  T585]  ? sock_write_iter (net/socket.c:1269)
[   38.299187][  T585]  ? move_addr_to_kernel (net/socket.c:258)
[   38.299194][  T585]  ___sys_sendmsg (net/socket.c:2767)
[   38.299197][  T585]  ? copy_msghdr_from_user (net/socket.c:2619)
[   38.299213][  T585]  __sys_sendmsg (net/socket.c:2799)
[   38.299216][  T585]  ? __sys_sendmsg_sock (net/socket.c:2780)
[   38.299222][  T585]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   38.299225][  T585]  do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84)
[   38.299228][  T585]  ? exc_page_fault (arch/x86/mm/fault.c:1489 (discriminator 3) arch/x86/mm/fault.c:1536 (discriminator 3))
[   38.299230][  T585]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[   38.299233][  T585] RIP: 0033:0x7f854b5a554e
[   38.299237][  T585] 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
[   38.299238][  T585] RSP: 002b:00007ffc8a05be30 EFLAGS: 00000202 ORIG_RAX: 000000000000002e
[   38.299241][  T585] RAX: ffffffffffffffda RBX: 0000000000000006 RCX: 00007f854b5a554e
[   38.299242][  T585] RDX: 0000000000000000 RSI: 00007ffc8a05bee0 RDI: 0000000000000005
[   38.299243][  T585] RBP: 00007ffc8a05be40 R08: 0000000000000000 R09: 0000000000000000
[   38.299244][  T585] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a915b08
[   38.299245][  T585] R13: 00000000004a1620 R14: 0000000000000000 R15: 00007ffc8a05c5a0
| [   39.507187][  T632] softirqs last disabled at (40312): netif_change_name (./include/linux/spinlock.h:353 ./include/linux/seqlock.h:908 net/core/dev.c:1499)
| [   39.507189][  T632] Preemption disabled at:
| [   39.507190][  T632] vprintk_emit (kernel/printk/printk.c:2471)
| [   39.507199][  T632] Tainted: [W]=WARN
[   39.507200][  T632] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   39.507202][  T632] Call Trace:
[   39.507204][  T632]  <TASK>
[   39.507205][  T632]  dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120)
[   39.507211][  T632]  ? vprintk_emit (kernel/printk/printk.c:2471)
[   39.507213][  T632]  __might_resched.cold (kernel/sched/core.c:9234)
[   39.507217][  T632]  ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3))
[   39.507222][  T632]  ? __kmalloc_noprof (./include/linux/sched/mm.h:317 mm/slub.c:4636 mm/slub.c:4974 mm/slub.c:5413 mm/slub.c:5439)
[   39.507226][  T632]  __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))
[   39.507228][  T632]  ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[   39.507234][  T632]  ? 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)
[   39.507237][  T632]  alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[   39.507240][  T632]  put_chars (drivers/char/virtio_console.c:1176)
[   39.507243][  T632]  ? __send_to_port (drivers/char/virtio_console.c:654)
[   39.507249][  T632]  hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2))
[   39.507257][  T632]  ? hvc_write (drivers/tty/hvc/hvc_console.c:501)
[   39.507260][  T632]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   39.507264][  T632]  console_emit_next_record (kernel/printk/printk.c:3183)
[   39.507268][  T632]  ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20)
[   39.507270][  T632]  ? 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))
[   39.507274][  T632]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   39.507276][  T632]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   39.507280][  T632]  console_flush_one_record (kernel/printk/printk.c:3268)
[   39.507284][  T632]  ? console_emit_next_record (kernel/printk/printk.c:3150)
[   39.507286][  T632]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   39.507302][  T632]  console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420)
[   39.507305][  T632]  ? console_flush_one_record (kernel/printk/printk.c:3316)
[   39.507307][  T632]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   39.507308][  T632]  ? lock_acquire (./include/linux/srcutree.h:374 ./include/linux/srcu.h:541 ./include/linux/srcu.h:645 ./include/trace/events/lock.h:23 ./include/trace/events/lock.h:23 kernel/locking/lockdep.c:5871)
[   39.507312][  T632]  ? __down_trylock_console_sem (kernel/printk/printk.c:334)
[   39.507314][  T632]  ? vprintk_emit (kernel/printk/printk.c:2478)
[   39.507317][  T632]  vprintk_emit (kernel/printk/printk.c:2479)
[   39.507320][  T632]  ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126))
[   39.507322][  T632]  ? mark_usage (kernel/locking/lockdep.c:4690)
[   39.507324][  T632]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[   39.507325][  T632]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   39.507329][  T632]  _printk (kernel/printk/printk.c:2504)
[   39.507333][  T632]  ? snapshot_read.cold (user.c:?)
[   39.507334][  T632]  ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4116 (discriminator 3) kernel/rcu/tree.c:4108 (discriminator 3))
[   39.507337][  T632]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380)
[   39.507340][  T632]  ? validate_chain (kernel/locking/lockdep.c:3817 (discriminator 2) kernel/locking/lockdep.c:3837 (discriminator 2) kernel/locking/lockdep.c:3892 (discriminator 2))
[   39.507342][  T632]  ? netdev_name (./include/linux/netdevice.h:5709 (discriminator 1))
[   39.507346][  T632]  ? __netdev_printk (net/core/dev.c:13148 (discriminator 2))
[   39.507349][  T632]  ? do_setlink.isra.0 (net/core/rtnetlink.c:3246)
[   39.507351][  T632]  netdev_info (net/core/dev.c:13195 (discriminator 3))
[   39.507353][  T632]  ? netdev_notice (net/core/dev.c:13194)
[   39.507356][  T632]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[   39.507359][  T632]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554)
[   39.507361][  T632]  ? mark_held_locks (kernel/locking/lockdep.c:4341)
[   39.507365][  T632]  ? do_setlink.isra.0 (net/core/rtnetlink.c:3246)
[   39.507367][  T632]  netif_change_name.cold (net/core/dev.c:1507 (discriminator 3))
[   39.507370][  T632]  ? netif_set_mtu_ext (net/core/dev.c:2350 net/core/dev.c:9952)
[   39.507374][  T632]  ? netdev_adjacent_rename_links (net/core/dev.c:9598)
[   39.507378][  T632]  ? __asan_memset (mm/kasan/shadow.c:84 (discriminator 1))
[   39.507384][  T632]  do_setlink.isra.0 (net/core/rtnetlink.c:3246)
[   39.507387][  T632]  ? stack_trace_save (kernel/stacktrace.c:122 (discriminator 1))
[   39.507391][  T632]  ? rtnl_link_get_size (net/core/rtnetlink.c:747)
[   39.507392][  T632]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:388 kernel/rcu/update.c:380)
[   39.507394][  T632]  ? stack_depot_save_flags (lib/stackdepot.c:609 (discriminator 2) lib/stackdepot.c:676 (discriminator 2))
[   39.507397][  T632]  ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4116 (discriminator 3) kernel/rcu/tree.c:4108 (discriminator 3))
[   39.507399][  T632]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380)
[   39.507401][  T632]  ? validate_chain (kernel/locking/lockdep.c:3817 (discriminator 2) kernel/locking/lockdep.c:3837 (discriminator 2) kernel/locking/lockdep.c:3892 (discriminator 2))
[   39.507403][  T632]  ? kasan_save_stack (mm/kasan/common.c:58)
[   39.507405][  T632]  ? kasan_save_stack (mm/kasan/common.c:57)
[   39.507406][  T632]  ? kasan_save_track (mm/kasan/common.c:78)
[   39.507407][  T632]  ? __kasan_kmalloc (mm/kasan/common.c:398 mm/kasan/common.c:415)
[   39.507410][  T632]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   39.507412][  T632]  ? snd_ac97_proc_read_main (sound/pci/ac97/ac97_proc.c:320)
[   39.507415][  T632]  ? ___sys_sendmsg (net/socket.c:2758)
[   39.507419][  T632]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2))
[   39.507421][  T632]  ? rtnl_newlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:366 net/core/rtnetlink.c:4214)
[   39.507423][  T632]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   39.507425][  T632]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   39.507426][  T632]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   39.507428][  T632]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   39.507429][  T632]  ? trace_contention_end (./include/trace/events/lock.h:121 (discriminator 22))
[   39.507432][  T632]  ? __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)
[   39.507434][  T632]  ? __mutex_lock (kernel/locking/mutex.c:656 (discriminator 1) kernel/locking/mutex.c:821 (discriminator 1))
[   39.507436][  T632]  ? rtnl_newlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:366 net/core/rtnetlink.c:4214)
[   39.507439][  T632]  ? ww_mutex_lock (kernel/locking/mutex.c:934)
[   39.507441][  T632]  ? nla_get_range_signed (lib/nlattr.c:270)
[   39.507445][  T632]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   39.507448][  T632]  ? __rtnl_newlink (net/core/rtnetlink.c:4063)
[   39.507453][  T632]  rtnl_newlink (net/core/rtnetlink.c:4215)
[   39.507458][  T632]  ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558)
[   39.507460][  T632]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   39.507464][  T632]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2))
[   39.507466][  T632]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[   39.507468][  T632]  ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558)
[   39.507470][  T632]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554)
[   39.507474][  T632]  ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558)
[   39.507476][  T632]  rtnetlink_rcv_msg (net/core/rtnetlink.c:7132)
[   39.507480][  T632]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   39.507481][  T632]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   39.507486][  T632]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2))
[   39.507488][  T632]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[   39.507491][  T632]  netlink_rcv_skb (net/netlink/af_netlink.c:2556)
[   39.507494][  T632]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   39.507497][  T632]  ? netlink_ack (./include/linux/skbuff.h:2718)
[   39.507503][  T632]  ? 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))
[   39.507505][  T632]  ? 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))
[   39.507510][  T632]  netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[   39.507514][  T632]  ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[   39.507516][  T632]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[   39.507520][  T632]  netlink_sendmsg (net/netlink/af_netlink.c:1900)
[   39.507524][  T632]  ? netlink_unicast (./include/net/net_namespace.h:422 (discriminator 7))
[   39.507528][  T632]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554)
[   39.507530][  T632]  ? __import_iovec (lib/iov_iter.c:1358 lib/iov_iter.c:1373)
[   39.507535][  T632]  __sock_sendmsg (net/socket.c:800 (discriminator 4) net/socket.c:815 (discriminator 4))
[   39.507538][  T632]  ____sys_sendmsg (net/socket.c:2713)
[   39.507540][  T632]  ? copy_msghdr_from_user (net/socket.c:2650)
[   39.507542][  T632]  ? sock_write_iter (net/socket.c:1269)
[   39.507544][  T632]  ? move_addr_to_kernel (net/socket.c:258)
[   39.507551][  T632]  ___sys_sendmsg (net/socket.c:2767)
[   39.507554][  T632]  ? copy_msghdr_from_user (net/socket.c:2619)
[   39.507570][  T632]  __sys_sendmsg (net/socket.c:2799)
[   39.507572][  T632]  ? __sys_sendmsg_sock (net/socket.c:2780)
[   39.507579][  T632]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   39.507582][  T632]  do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84)
[   39.507585][  T632]  ? exc_page_fault (arch/x86/mm/fault.c:1489 (discriminator 3) arch/x86/mm/fault.c:1536 (discriminator 3))
[   39.507587][  T632]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[   39.507590][  T632] RIP: 0033:0x7f3b2ef5654e
[   39.507593][  T632] 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
[   39.507595][  T632] RSP: 002b:00007ffc5c43bb80 EFLAGS: 00000202 ORIG_RAX: 000000000000002e
[   39.507598][  T632] RAX: ffffffffffffffda RBX: 0000000000000006 RCX: 00007f3b2ef5654e
[   39.507599][  T632] RDX: 0000000000000000 RSI: 00007ffc5c43bc30 RDI: 0000000000000005
[   39.507600][  T632] RBP: 00007ffc5c43bb90 R08: 0000000000000000 R09: 0000000000000000
[   39.507601][  T632] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a915b09
[   39.507602][  T632] R13: 00000000004a1620 R14: 0000000000000000 R15: 00007ffc5c43c2f0
| [   39.525816][    C0]
| [   39.525816][    C0]
| [   39.525816][    C0] stack backtrace:
| [   39.525823][    C0] Tainted: [W]=WARN
[   39.525824][    C0] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   39.525826][    C0] Call Trace:
[   39.525828][    C0]  <IRQ>
[   39.525829][    C0]  dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120)
[   39.525834][    C0]  print_irq_inversion_bug.part.0.cold (kernel/locking/lockdep.c:4141)
[   39.525838][    C0]  mark_lock_irq (kernel/locking/lockdep.c:4095 kernel/locking/lockdep.c:4174 kernel/locking/lockdep.c:4310)
[   39.525840][    C0]  ? add_lock_to_list (./include/linux/find.h:391 kernel/locking/lockdep.c:1419 kernel/locking/lockdep.c:1450)
[   39.525844][    C0]  mark_lock (kernel/locking/lockdep.c:4769)
[   39.525847][    C0]  mark_usage (kernel/locking/lockdep.c:4658)
[   39.525850][    C0]  __lock_acquire (kernel/locking/lockdep.c:5208)
[   39.525853][    C0]  lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2))
[   39.525855][    C0]  ? console_trylock_spinning (kernel/printk/printk.c:2026 (discriminator 2))
[   39.525858][    C0]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   39.525861][    C0]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   39.525864][    C0]  console_trylock_spinning (kernel/printk/printk.c:2026 (discriminator 2))
[   39.525867][    C0]  ? console_trylock_spinning (kernel/printk/printk.c:2026 (discriminator 2))
[   39.525869][    C0]  vprintk_emit (kernel/printk/printk.c:2478)
[   39.525872][    C0]  ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126))
[   39.525875][    C0]  ? clocksource_watchdog.part.0 (kernel/time/clocksource.c:531 (discriminator 1) kernel/time/clocksource.c:608 (discriminator 1) kernel/time/clocksource.c:667 (discriminator 1))
[   39.525877][    C0]  _printk (kernel/printk/printk.c:2504)
[   39.525880][    C0]  ? snapshot_read.cold (user.c:?)
[   39.525883][    C0]  ? clocksource_watchdog.part.0 (kernel/time/clocksource.c:531 (discriminator 1) kernel/time/clocksource.c:608 (discriminator 1) kernel/time/clocksource.c:667 (discriminator 1))
[   39.525885][    C0]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554)
[   39.525889][    C0]  clocksource_watchdog.part.0.cold (kernel/time/clocksource.c:589 (discriminator 10) kernel/time/clocksource.c:632 (discriminator 10) kernel/time/clocksource.c:667 (discriminator 10))
[   39.525891][    C0]  ? clocksource_watchdog.part.0 (./include/linux/find.h:67 (discriminator 4))
[   39.525893][    C0]  ? clocksource_watchdog.part.0 (./include/linux/find.h:67 (discriminator 4))
[   39.525896][    C0]  call_timer_fn (kernel/time/timer.c:1748)
[   39.525899][    C0]  ? detach_if_pending (./include/linux/list.h:1159)
[   39.525901][    C0]  ? debug_object_active_state (lib/debugobjects.c:1122)
[   39.525905][    C0]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[   39.525907][    C0]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554)
[   39.525910][    C0]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   39.525912][    C0]  __run_timers (kernel/time/timer.c:1799 kernel/time/timer.c:2374)
[   39.525915][    C0]  ? clocksource_watchdog.part.0 (./include/linux/find.h:67 (discriminator 4))
[   39.525918][    C0]  ? __bpf_trace_itimer_expire (./include/trace/events/timer.h:407)
[   39.525921][    C0]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   39.525925][    C0]  ? __rwlock_init (kernel/locking/spinlock_debug.c:48)
[   39.525929][    C0]  run_timer_softirq (kernel/time/timer.c:2386 kernel/time/timer.c:2395 kernel/time/timer.c:2403)
[   39.525931][    C0]  ? __run_timers (./include/trace/events/timer.h:138 (discriminator 19))
[   39.525934][    C0]  ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22))
[   39.525938][    C0]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   39.525939][    C0]  handle_softirqs (kernel/softirq.c:645)
[   39.525942][    C0]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554)
[   39.525945][    C0]  ? _local_bh_enable (kernel/softirq.c:428 (discriminator 1))
[   39.525948][    C0]  __irq_exit_rcu (kernel/softirq.c:679 kernel/softirq.c:519 kernel/softirq.c:767)
[   39.525950][    C0]  irq_exit_rcu (kernel/softirq.c:784)
[   39.525952][    C0]  sysvec_apic_timer_interrupt (arch/x86/kernel/apic/apic.c:1062 (discriminator 37) arch/x86/kernel/apic/apic.c:1062 (discriminator 37))
[   39.525954][    C0]  </IRQ>
[   39.525955][    C0]  <TASK>
[   39.525956][    C0]  ? lockdep_hardirqs_on_prepare.part.0 (kernel/locking/lockdep.c:470 (discriminator 2) kernel/locking/lockdep.c:4427 (discriminator 2))
[   39.525959][    C0]  asm_sysvec_apic_timer_interrupt (./arch/x86/include/asm/idtentry.h:674)
[   39.525961][    C0] RIP: 0010:pv_native_safe_halt (./arch/x86/include/asm/irqflags.h:48 arch/x86/kernel/paravirt.c:63)
[   39.525964][    C0] Code: 48 8b 3d 94 82 68 02 e8 1f 00 00 00 48 2b 05 58 d3 a0 00 c3 0f 1f 80 00 00 00 00 f3 0f 1e fa eb 07 0f 00 2d 13 06 0e 00 fb f4 <c3> 0f 1f 40 d6 48 83 ec 20 8b 17 49 89 f8 83 e2 fe 41 89 d2 0f 01
All code
========
   0:	48 8b 3d 94 82 68 02 	mov    0x2688294(%rip),%rdi        # 0x268829b
   7:	e8 1f 00 00 00       	call   0x2b
   c:	48 2b 05 58 d3 a0 00 	sub    0xa0d358(%rip),%rax        # 0xa0d36b
  13:	c3                   	ret
  14:	0f 1f 80 00 00 00 00 	nopl   0x0(%rax)
  1b:	f3 0f 1e fa          	endbr64
  1f:	eb 07                	jmp    0x28
  21:	0f 00 2d 13 06 0e 00 	verw   0xe0613(%rip)        # 0xe063b
  28:	fb                   	sti
  29:	f4                   	hlt
  2a:*	c3                   	ret		<-- trapping instruction
  2b:	0f 1f 40 d6          	nopl   -0x2a(%rax)
  2f:	48 83 ec 20          	sub    $0x20,%rsp
  33:	8b 17                	mov    (%rdi),%edx
  35:	49 89 f8             	mov    %rdi,%r8
  38:	83 e2 fe             	and    $0xfffffffe,%edx
  3b:	41 89 d2             	mov    %edx,%r10d
  3e:	0f                   	.byte 0xf
  3f:	01                   	.byte 0x1

Code starting with the faulting instruction
===========================================
   0:	c3                   	ret
   1:	0f 1f 40 d6          	nopl   -0x2a(%rax)
   5:	48 83 ec 20          	sub    $0x20,%rsp
   9:	8b 17                	mov    (%rdi),%edx
   b:	49 89 f8             	mov    %rdi,%r8
   e:	83 e2 fe             	and    $0xfffffffe,%edx
  11:	41 89 d2             	mov    %edx,%r10d
  14:	0f                   	.byte 0xf
  15:	01                   	.byte 0x1
[   39.525966][    C0] RSP: 0018:ffffffff8a607cf8 EFLAGS: 00000296
[   39.525969][    C0] RAX: 0000000000134675 RBX: ffffffff8a630600 RCX: ffffffff86d06247
[   39.525971][    C0] RDX: ffffffff8a630600 RSI: ffffffff89f11027 RDI: ffffffff898949e0
[   39.525972][    C0] RBP: 0000000000000000 R08: 0000000000000000 R09: 0000000000000000
[   39.525973][    C0] R10: 0000000000000000 R11: 0000000000000001 R12: 1ffffffff14c0fa2
[   39.525974][    C0] R13: 0000000000000000 R14: dffffc0000000000 R15: 0000000000014770
[   39.525977][    C0]  ? cpuidle_idle_call.constprop.0 (kernel/sched/idle.c:199)
[   39.525980][    C0]  ? lockdep_hardirqs_on (kernel/locking/lockdep.c:4488)
[   39.525982][    C0]  default_idle (./arch/x86/include/asm/paravirt.h:62 arch/x86/kernel/process.c:768)
[   39.525984][    C0]  default_idle_call (kernel/sched/idle.c:122)
[   39.525986][    C0]  cpuidle_idle_call.constprop.0 (kernel/sched/idle.c:199)
[   39.525989][    C0]  ? arch_cpu_idle_exit+0x40/0x40
[   39.525991][    C0]  ? mark_tsc_async_resets (arch/x86/kernel/tsc_sync.c:49)
[   39.525994][    C0]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   39.525997][    C0]  do_idle (kernel/sched/idle.c:355)
[   39.525999][    C0]  cpu_startup_entry (kernel/sched/idle.c:454)
[   39.526001][    C0]  rest_init (init/main.c:727)
[   39.526004][    C0]  ? __cpuidle_text_end (??:?)
[   39.526008][    C0]  ? rest_init (init/main.c:727)
[   39.526010][    C0]  ? acpi_hw_set_mode (drivers/acpi/acpica/hwacpi.c:72 (discriminator 1))
[   39.526014][    C0]  ? cpus_read_unlock (./include/linux/percpu-rwsem.h:125 (discriminator 1) kernel/cpu.c:502 (discriminator 1))
[   39.526017][    C0]  ? acpi_enable (drivers/acpi/acpica/evxfevnt.c:47)
[   39.526020][    C0]  start_kernel (init/main.c:1185)
[   39.526022][    C0]  x86_64_start_reservations (arch/x86/kernel/head64.c:310)
[   39.526025][    C0]  x86_64_start_kernel (arch/x86/kernel/head64.c:291)
[   39.526027][    C0]  common_startup_64 (arch/x86/kernel/head_64.S:418)
| [   41.135716][  T726] softirqs last disabled at (0): 0x0
| [   41.135718][  T726] Preemption disabled at:
| [   41.135719][  T726] vprintk_emit (kernel/printk/printk.c:2471)
| [   41.135729][  T726] Tainted: [W]=WARN
[   41.135730][  T726] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   41.135731][  T726] Call Trace:
[   41.135733][  T726]  <TASK>
[   41.135734][  T726]  dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120)
[   41.135740][  T726]  ? vprintk_emit (kernel/printk/printk.c:2471)
[   41.135741][  T726]  __might_resched.cold (kernel/sched/core.c:9234)
[   41.135745][  T726]  ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3))
[   41.135748][  T726]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   41.135751][  T726]  __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))
[   41.135754][  T726]  ? __rwlock_init (kernel/locking/spinlock_debug.c:48)
[   41.135757][  T726]  ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[   41.135762][  T726]  ? 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)
[   41.135764][  T726]  alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[   41.135767][  T726]  put_chars (drivers/char/virtio_console.c:1176)
[   41.135768][  T726]  ? __send_to_port (drivers/char/virtio_console.c:654)
[   41.135769][  T726]  ? printk_get_next_message (kernel/printk/printk.c:3072)
[   41.135772][  T726]  ? console_prepend_replay (kernel/printk/printk.c:3005)
[   41.135774][  T726]  ? pointer (lib/vsprintf.c:2577)
[   41.135778][  T726]  hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2))
[   41.135782][  T726]  ? hvc_write (drivers/tty/hvc/hvc_console.c:501)
[   41.135784][  T726]  ? __rwlock_init (kernel/locking/spinlock_debug.c:48)
[   41.135786][  T726]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   41.135788][  T726]  console_emit_next_record (kernel/printk/printk.c:3183)
[   41.135791][  T726]  ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20)
[   41.135793][  T726]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   41.135794][  T726]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   41.135795][  T726]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   41.135796][  T726]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   41.135798][  T726]  ? console_flush_one_record (kernel/printk/printk.c:3247)
[   41.135799][  T726]  console_flush_one_record (kernel/printk/printk.c:3268)
[   41.135802][  T726]  ? console_emit_next_record (kernel/printk/printk.c:3150)
[   41.135804][  T726]  console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420)
[   41.135806][  T726]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   41.135808][  T726]  ? console_flush_one_record (kernel/printk/printk.c:3316)
[   41.135809][  T726]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   41.135810][  T726]  ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22))
[   41.135812][  T726]  ? lock_acquire (./include/linux/srcutree.h:374 ./include/linux/srcu.h:541 ./include/linux/srcu.h:645 ./include/trace/events/lock.h:23 ./include/trace/events/lock.h:23 kernel/locking/lockdep.c:5871)
[   41.135813][  T726]  ? __rcu_read_lock (kernel/rcu/tree_plugin.h:391 (discriminator 6))
[   41.135815][  T726]  ? __down_trylock_console_sem (kernel/printk/printk.c:334)
[   41.135817][  T726]  ? vprintk_emit (kernel/printk/printk.c:2478)
[   41.135818][  T726]  vprintk_emit (kernel/printk/printk.c:2479)
[   41.135820][  T726]  ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126))
[   41.135821][  T726]  ? fib6_del (net/ipv6/ip6_fib.c:2069)
[   41.135825][  T726]  _printk (kernel/printk/printk.c:2504)
[   41.135828][  T726]  ? snapshot_read.cold (user.c:?)
[   41.135829][  T726]  ? trace_hardirqs_on (kernel/trace/trace_preemptirq.c:78)
[   41.135832][  T726]  ? __fib6_clean_all (./include/linux/rcupdate.h:319 (discriminator 2) ./include/linux/rcupdate.h:880 (discriminator 2) net/ipv6/ip6_fib.c:2329 (discriminator 2))
[   41.135834][  T726]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   41.135835][  T726]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   41.135837][  T726]  ? netdev_name (./include/linux/netdevice.h:5709 (discriminator 1))
[   41.135840][  T726]  ? __netdev_printk (net/core/dev.c:13148 (discriminator 2))
[   41.135841][  T726]  ? do_setlink.isra.0 (net/core/rtnetlink.c:3246)
[   41.135844][  T726]  netdev_info (net/core/dev.c:13195 (discriminator 3))
[   41.135847][  T726]  ? netdev_notice (net/core/dev.c:13194)
[   41.135849][  T726]  ? 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)
[   41.135850][  T726]  ? __rwlock_init (kernel/locking/spinlock_debug.c:48)
[   41.135852][  T726]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   41.135853][  T726]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   41.135854][  T726]  ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22))
[   41.135855][  T726]  ? trace_irq_disable.constprop.0 (./include/trace/events/preemptirq.h:36 (discriminator 22))
[   41.135857][  T726]  ? trace_irq_enable.constprop.0 (./include/linux/instrumented.h:82 ./include/asm-generic/bitops/instrumented-non-atomic.h:141 ./include/linux/cpumask.h:650 ./include/linux/cpumask.h:1232 ./include/trace/events/preemptirq.h:40)
[   41.135858][  T726]  ? do_setlink.isra.0 (net/core/rtnetlink.c:3246)
[   41.135859][  T726]  netif_change_name.cold (net/core/dev.c:1507 (discriminator 3))
[   41.135861][  T726]  ? netif_set_mtu_ext (net/core/dev.c:2350 net/core/dev.c:9952)
[   41.135865][  T726]  ? netdev_adjacent_rename_links (net/core/dev.c:9598)
[   41.135867][  T726]  ? __asan_memset (mm/kasan/shadow.c:84 (discriminator 1))
[   41.135871][  T726]  do_setlink.isra.0 (net/core/rtnetlink.c:3246)
[   41.135873][  T726]  ? stack_trace_save (kernel/stacktrace.c:122 (discriminator 1))
[   41.135876][  T726]  ? rtnl_link_get_size (net/core/rtnetlink.c:747)
[   41.135877][  T726]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   41.135878][  T726]  ? stack_depot_save_flags (lib/stackdepot.c:609 lib/stackdepot.c:676)
[   41.135881][  T726]  ? kasan_save_stack (mm/kasan/common.c:58)
[   41.135883][  T726]  ? kasan_save_stack (mm/kasan/common.c:57)
[   41.135884][  T726]  ? kasan_save_track (mm/kasan/common.c:78)
[   41.135885][  T726]  ? __kasan_kmalloc (mm/kasan/common.c:398 mm/kasan/common.c:415)
[   41.135886][  T726]  ? __kmalloc_cache_noprof (./include/linux/kasan.h:263 mm/slub.c:5563)
[   41.135887][  T726]  ? rtnl_newlink (./include/linux/slab.h:991 (discriminator 1) net/core/rtnetlink.c:4113 (discriminator 1))
[   41.135888][  T726]  ? rtnetlink_rcv_msg (net/core/rtnetlink.c:7132)
[   41.135889][  T726]  ? netlink_rcv_skb (net/netlink/af_netlink.c:2556)
[   41.135892][  T726]  ? netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[   41.135894][  T726]  ? netlink_sendmsg (net/netlink/af_netlink.c:1900)
[   41.135895][  T726]  ? __sock_sendmsg (net/socket.c:800 (discriminator 4) net/socket.c:815 (discriminator 4))
[   41.135898][  T726]  ? ____sys_sendmsg (net/socket.c:2713)
[   41.135899][  T726]  ? ___sys_sendmsg (net/socket.c:2767)
[   41.135900][  T726]  ? __sys_sendmsg (net/socket.c:2799)
[   41.135902][  T726]  ? do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84)
[   41.135905][  T726]  ? entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[   41.135907][  T726]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   41.135908][  T726]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   41.135909][  T726]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   41.135910][  T726]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   41.135911][  T726]  ? trace_contention_end (./include/trace/events/lock.h:121 (discriminator 22))
[   41.135913][  T726]  ? __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)
[   41.135914][  T726]  ? __mutex_lock (kernel/locking/mutex.c:656 (discriminator 1) kernel/locking/mutex.c:821 (discriminator 1))
[   41.135915][  T726]  ? rtnl_newlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:366 net/core/rtnetlink.c:4214)
[   41.135917][  T726]  ? ww_mutex_lock (kernel/locking/mutex.c:934)
[   41.135918][  T726]  ? nla_get_range_signed (lib/nlattr.c:270)
[   41.135921][  T726]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   41.135922][  T726]  ? __rtnl_newlink (net/core/rtnetlink.c:4063)
[   41.135924][  T726]  rtnl_newlink (net/core/rtnetlink.c:4215)
[   41.135926][  T726]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   41.135927][  T726]  ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558)
[   41.135928][  T726]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   41.135930][  T726]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   41.135931][  T726]  ? is_bpf_text_address (./include/linux/rcupdate.h:850 kernel/bpf/core.c:749)
[   41.135933][  T726]  ? is_bpf_text_address (./include/linux/rcupdate.h:882 kernel/bpf/core.c:751)
[   41.135935][  T726]  ? kernel_text_address (kernel/extable.c:125 kernel/extable.c:94)
[   41.135937][  T726]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   41.135938][  T726]  ? cap_capable (./include/trace/events/capability.h:26 (discriminator 22) security/commoncap.c:130 (discriminator 22))
[   41.135941][  T726]  ? arch_stack_walk (arch/x86/kernel/stacktrace.c:26)
[   41.135944][  T726]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   41.135945][  T726]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   41.135946][  T726]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   41.135948][  T726]  ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558)
[   41.135949][  T726]  rtnetlink_rcv_msg (net/core/rtnetlink.c:7132)
[   41.135950][  T726]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   41.135952][  T726]  ? filter_irq_stacks (kernel/stacktrace.c:402)
[   41.135953][  T726]  ? stack_depot_save_flags (lib/stackdepot.c:609 lib/stackdepot.c:676)
[   41.135955][  T726]  netlink_rcv_skb (net/netlink/af_netlink.c:2556)
[   41.135957][  T726]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   41.135958][  T726]  ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22))
[   41.135960][  T726]  ? netlink_ack (./include/linux/skbuff.h:2718)
[   41.135962][  T726]  ? __netlink_lookup (./include/linux/rcupdate.h:850 ./include/linux/rhashtable.h:709 net/netlink/af_netlink.c:499)
[   41.135965][  T726]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   41.135966][  T726]  ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22))
[   41.135968][  T726]  netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[   41.135970][  T726]  ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[   41.135971][  T726]  ? entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[   41.135973][  T726]  netlink_sendmsg (net/netlink/af_netlink.c:1900)
[   41.135975][  T726]  ? netlink_unicast (./include/net/net_namespace.h:422 (discriminator 7))
[   41.135977][  T726]  ? kernel_text_address (kernel/extable.c:125 kernel/extable.c:94)
[   41.135979][  T726]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   41.135980][  T726]  ? __import_iovec (lib/iov_iter.c:1358 lib/iov_iter.c:1373)
[   41.135983][  T726]  __sock_sendmsg (net/socket.c:800 (discriminator 4) net/socket.c:815 (discriminator 4))
[   41.135985][  T726]  ____sys_sendmsg (net/socket.c:2713)
[   41.135987][  T726]  ? copy_msghdr_from_user (net/socket.c:2650)
[   41.135988][  T726]  ? sock_write_iter (net/socket.c:1269)
[   41.135990][  T726]  ? move_addr_to_kernel (net/socket.c:258)
[   41.135991][  T726]  ? filter_irq_stacks (kernel/stacktrace.c:402)
[   41.135994][  T726]  ___sys_sendmsg (net/socket.c:2767)
[   41.135995][  T726]  ? copy_msghdr_from_user (net/socket.c:2619)
[   41.136000][  T726]  __sys_sendmsg (net/socket.c:2799)
[   41.136002][  T726]  ? __sys_sendmsg_sock (net/socket.c:2780)
[   41.136005][  T726]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   41.136006][  T726]  do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84)
[   41.136008][  T726]  ? exc_page_fault (arch/x86/mm/fault.c:1489 (discriminator 3) arch/x86/mm/fault.c:1536 (discriminator 3))
[   41.136010][  T726]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[   41.136011][  T726] RIP: 0033:0x7fd9ded5454e
[   41.136013][  T726] 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
[   41.136015][  T726] RSP: 002b:00007ffc45826b40 EFLAGS: 00000202 ORIG_RAX: 000000000000002e
[   41.136018][  T726] RAX: ffffffffffffffda RBX: 0000000000000006 RCX: 00007fd9ded5454e
[   41.136020][  T726] RDX: 0000000000000000 RSI: 00007ffc45826bf0 RDI: 0000000000000005
[   41.136021][  T726] RBP: 00007ffc45826b50 R08: 0000000000000000 R09: 0000000000000000
[   41.136022][  T726] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a915b0b
[   41.136022][  T726] R13: 00000000004a1620 R14: 0000000000000000 R15: 00007ffc458272b0
| [   43.150223][  T821] softirqs last disabled at (0): 0x0
| [   43.150225][  T821] Preemption disabled at:
| [   43.150226][  T821] vprintk_emit (kernel/printk/printk.c:2471)
| [   43.150236][  T821] Tainted: [W]=WARN
[   43.150237][  T821] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   43.150239][  T821] Call Trace:
[   43.150241][  T821]  <TASK>
[   43.150242][  T821]  dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120)
[   43.150247][  T821]  ? vprintk_emit (kernel/printk/printk.c:2471)
[   43.150248][  T821]  __might_resched.cold (kernel/sched/core.c:9234)
[   43.150252][  T821]  ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3))
[   43.150255][  T821]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   43.150257][  T821]  __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))
[   43.150260][  T821]  ? __rwlock_init (kernel/locking/spinlock_debug.c:48)
[   43.150263][  T821]  ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[   43.150268][  T821]  ? 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)
[   43.150269][  T821]  alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[   43.150272][  T821]  put_chars (drivers/char/virtio_console.c:1176)
[   43.150274][  T821]  ? __send_to_port (drivers/char/virtio_console.c:654)
[   43.150275][  T821]  ? printk_get_next_message (kernel/printk/printk.c:3072)
[   43.150277][  T821]  ? console_prepend_replay (kernel/printk/printk.c:3005)
[   43.150279][  T821]  ? pointer (lib/vsprintf.c:2577)
[   43.150282][  T821]  hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2))
[   43.150287][  T821]  ? hvc_write (drivers/tty/hvc/hvc_console.c:501)
[   43.150291][  T821]  ? __rwlock_init (kernel/locking/spinlock_debug.c:48)
[   43.150293][  T821]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   43.150296][  T821]  console_emit_next_record (kernel/printk/printk.c:3183)
[   43.150303][  T821]  ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20)
[   43.150305][  T821]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   43.150306][  T821]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   43.150307][  T821]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   43.150308][  T821]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   43.150310][  T821]  ? console_flush_one_record (kernel/printk/printk.c:3247)
[   43.150312][  T821]  console_flush_one_record (kernel/printk/printk.c:3268)
[   43.150315][  T821]  ? console_emit_next_record (kernel/printk/printk.c:3150)
[   43.150317][  T821]  console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420)
[   43.150319][  T821]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   43.150321][  T821]  ? console_flush_one_record (kernel/printk/printk.c:3316)
[   43.150323][  T821]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   43.150323][  T821]  ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22))
[   43.150325][  T821]  ? lock_acquire (./include/linux/srcutree.h:374 ./include/linux/srcu.h:541 ./include/linux/srcu.h:645 ./include/trace/events/lock.h:23 ./include/trace/events/lock.h:23 kernel/locking/lockdep.c:5871)
[   43.150326][  T821]  ? __rcu_read_lock (kernel/rcu/tree_plugin.h:391 (discriminator 6))
[   43.150328][  T821]  ? __down_trylock_console_sem (kernel/printk/printk.c:334)
[   43.150330][  T821]  ? vprintk_emit (kernel/printk/printk.c:2478)
[   43.150331][  T821]  vprintk_emit (kernel/printk/printk.c:2479)
[   43.150333][  T821]  ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126))
[   43.150334][  T821]  ? prepare_to_wait_event (kernel/sched/wait.c:318 (discriminator 7))
[   43.150336][  T821]  ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22))
[   43.150339][  T821]  ? _mutex_trylock_nest_lock (kernel/locking/mutex.c:1227 (discriminator 6))
[   43.150342][  T821]  _printk (kernel/printk/printk.c:2504)
[   43.150344][  T821]  ? snapshot_read.cold (user.c:?)
[   43.150346][  T821]  ? synchronize_rcu_normal (kernel/rcu/tree.c:3360)
[   43.150348][  T821]  ? netdev_name (./include/linux/netdevice.h:5709 (discriminator 1))
[   43.150352][  T821]  ? __netdev_printk (net/core/dev.c:13148 (discriminator 2))
[   43.150354][  T821]  ? do_setlink.isra.0 (net/core/rtnetlink.c:3246)
[   43.150357][  T821]  netdev_info (net/core/dev.c:13195 (discriminator 3))
[   43.150359][  T821]  ? netdev_notice (net/core/dev.c:13194)
[   43.150361][  T821]  ? 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)
[   43.150362][  T821]  ? __dev_change_net_namespace (net/core/dev.c:12342 net/core/dev.c:12883)
[   43.150365][  T821]  ? __rwlock_init (kernel/locking/spinlock_debug.c:48)
[   43.150366][  T821]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   43.150367][  T821]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   43.150368][  T821]  ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22))
[   43.150370][  T821]  ? trace_irq_disable.constprop.0 (./include/trace/events/preemptirq.h:36 (discriminator 22))
[   43.150371][  T821]  ? trace_irq_enable.constprop.0 (./include/linux/instrumented.h:82 ./include/asm-generic/bitops/instrumented-non-atomic.h:141 ./include/linux/cpumask.h:650 ./include/linux/cpumask.h:1232 ./include/trace/events/preemptirq.h:40)
[   43.150372][  T821]  ? do_setlink.isra.0 (net/core/rtnetlink.c:3246)
[   43.150373][  T821]  netif_change_name.cold (net/core/dev.c:1507 (discriminator 3))
[   43.150375][  T821]  ? register_netdev (net/core/dev.c:11618)
[   43.150376][  T821]  ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22))
[   43.150378][  T821]  ? netdev_adjacent_rename_links (net/core/dev.c:9598)
[   43.150381][  T821]  ? __kernel_text_address (kernel/extable.c:79)
[   43.150383][  T821]  ? write_profile (profile.c:?)
[   43.150386][  T821]  ? __asan_memset (mm/kasan/shadow.c:84 (discriminator 1))
[   43.150390][  T821]  do_setlink.isra.0 (net/core/rtnetlink.c:3246)
[   43.150391][  T821]  ? stack_trace_save (kernel/stacktrace.c:122 (discriminator 1))
[   43.150393][  T821]  ? rtnl_link_get_size (net/core/rtnetlink.c:747)
[   43.150394][  T821]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   43.150395][  T821]  ? stack_depot_save_flags (lib/stackdepot.c:609 lib/stackdepot.c:676)
[   43.150398][  T821]  ? kasan_save_stack (mm/kasan/common.c:58)
[   43.150400][  T821]  ? kasan_save_stack (mm/kasan/common.c:57)
[   43.150401][  T821]  ? kasan_save_track (mm/kasan/common.c:78)
[   43.150402][  T821]  ? __kasan_kmalloc (mm/kasan/common.c:398 mm/kasan/common.c:415)
[   43.150403][  T821]  ? __kmalloc_cache_noprof (./include/linux/kasan.h:263 mm/slub.c:5563)
[   43.150404][  T821]  ? rtnl_newlink (./include/linux/slab.h:991 (discriminator 1) net/core/rtnetlink.c:4113 (discriminator 1))
[   43.150405][  T821]  ? rtnetlink_rcv_msg (net/core/rtnetlink.c:7132)
[   43.150407][  T821]  ? netlink_rcv_skb (net/netlink/af_netlink.c:2556)
[   43.150409][  T821]  ? netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[   43.150411][  T821]  ? netlink_sendmsg (net/netlink/af_netlink.c:1900)
[   43.150412][  T821]  ? __sock_sendmsg (net/socket.c:800 (discriminator 4) net/socket.c:815 (discriminator 4))
[   43.150415][  T821]  ? ____sys_sendmsg (net/socket.c:2713)
[   43.150416][  T821]  ? ___sys_sendmsg (net/socket.c:2767)
[   43.150417][  T821]  ? __sys_sendmsg (net/socket.c:2799)
[   43.150419][  T821]  ? do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84)
[   43.150421][  T821]  ? entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[   43.150423][  T821]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   43.150425][  T821]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   43.150426][  T821]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   43.150427][  T821]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   43.150428][  T821]  ? trace_contention_end (./include/trace/events/lock.h:121 (discriminator 22))
[   43.150429][  T821]  ? __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)
[   43.150431][  T821]  ? __mutex_lock (kernel/locking/mutex.c:656 (discriminator 1) kernel/locking/mutex.c:821 (discriminator 1))
[   43.150432][  T821]  ? rtnl_newlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:366 net/core/rtnetlink.c:4214)
[   43.150433][  T821]  ? ww_mutex_lock (kernel/locking/mutex.c:934)
[   43.150434][  T821]  ? nla_get_range_signed (lib/nlattr.c:270)
[   43.150437][  T821]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   43.150439][  T821]  ? __rtnl_newlink (net/core/rtnetlink.c:4063)
[   43.150441][  T821]  rtnl_newlink (net/core/rtnetlink.c:4215)
[   43.150442][  T821]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   43.150444][  T821]  ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558)
[   43.150445][  T821]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   43.150446][  T821]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   43.150447][  T821]  ? is_bpf_text_address (./include/linux/rcupdate.h:850 kernel/bpf/core.c:749)
[   43.150450][  T821]  ? is_bpf_text_address (./include/linux/rcupdate.h:882 kernel/bpf/core.c:751)
[   43.150451][  T821]  ? kernel_text_address (kernel/extable.c:125 kernel/extable.c:94)
[   43.150452][  T821]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   43.150453][  T821]  ? cap_capable (./include/trace/events/capability.h:26 (discriminator 22) security/commoncap.c:130 (discriminator 22))
[   43.150456][  T821]  ? arch_stack_walk (arch/x86/kernel/stacktrace.c:26)
[   43.150458][  T821]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   43.150459][  T821]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   43.150461][  T821]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   43.150462][  T821]  ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558)
[   43.150463][  T821]  rtnetlink_rcv_msg (net/core/rtnetlink.c:7132)
[   43.150465][  T821]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   43.150466][  T821]  ? filter_irq_stacks (kernel/stacktrace.c:402)
[   43.150468][  T821]  ? stack_depot_save_flags (lib/stackdepot.c:609 lib/stackdepot.c:676)
[   43.150470][  T821]  netlink_rcv_skb (net/netlink/af_netlink.c:2556)
[   43.150472][  T821]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   43.150473][  T821]  ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22))
[   43.150475][  T821]  ? netlink_ack (./include/linux/skbuff.h:2718)
[   43.150476][  T821]  ? __netlink_lookup (./include/linux/rcupdate.h:850 ./include/linux/rhashtable.h:709 net/netlink/af_netlink.c:499)
[   43.150479][  T821]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   43.150480][  T821]  ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22))
[   43.150482][  T821]  netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[   43.150484][  T821]  ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[   43.150486][  T821]  ? entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[   43.150488][  T821]  netlink_sendmsg (net/netlink/af_netlink.c:1900)
[   43.150490][  T821]  ? netlink_unicast (./include/net/net_namespace.h:422 (discriminator 7))
[   43.150491][  T821]  ? kernel_text_address (kernel/extable.c:125 kernel/extable.c:94)
[   43.150493][  T821]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   43.150494][  T821]  ? __import_iovec (lib/iov_iter.c:1358 lib/iov_iter.c:1373)
[   43.150498][  T821]  __sock_sendmsg (net/socket.c:800 (discriminator 4) net/socket.c:815 (discriminator 4))
[   43.150499][  T821]  ____sys_sendmsg (net/socket.c:2713)
[   43.150501][  T821]  ? copy_msghdr_from_user (net/socket.c:2650)
[   43.150502][  T821]  ? sock_write_iter (net/socket.c:1269)
[   43.150504][  T821]  ? move_addr_to_kernel (net/socket.c:258)
[   43.150505][  T821]  ? filter_irq_stacks (kernel/stacktrace.c:402)
[   43.150508][  T821]  ___sys_sendmsg (net/socket.c:2767)
[   43.150510][  T821]  ? copy_msghdr_from_user (net/socket.c:2619)
[   43.150514][  T821]  __sys_sendmsg (net/socket.c:2799)
[   43.150516][  T821]  ? __sys_sendmsg_sock (net/socket.c:2780)
[   43.150519][  T821]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   43.150520][  T821]  do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84)
[   43.150522][  T821]  ? exc_page_fault (arch/x86/mm/fault.c:1489 (discriminator 3) arch/x86/mm/fault.c:1536 (discriminator 3))
[   43.150524][  T821]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[   43.150526][  T821] RIP: 0033:0x7fd1da8ae54e
[   43.150527][  T821] 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
[   43.150529][  T821] RSP: 002b:00007ffc38e8ff70 EFLAGS: 00000202 ORIG_RAX: 000000000000002e
[   43.150533][  T821] RAX: ffffffffffffffda RBX: 0000000000000005 RCX: 00007fd1da8ae54e
[   43.150534][  T821] RDX: 0000000000000000 RSI: 00007ffc38e90020 RDI: 0000000000000005
[   43.150535][  T821] RBP: 00007ffc38e8ff80 R08: 0000000000000000 R09: 0000000000000000
[   43.150536][  T821] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a915b0d
[   43.150536][  T821] R13: 00000000004a1620 R14: 0000000000000000 R15: 00007ffc38e906e0
| [   49.800571][  T923] softirqs last disabled at (0): 0x0
| [   49.800572][  T923] Preemption disabled at:
| [   49.800573][  T923] vprintk_emit (kernel/printk/printk.c:2471)
| [   49.800584][  T923] Tainted: [W]=WARN
[   49.800585][  T923] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   49.800587][  T923] Call Trace:
[   49.800588][  T923]  <TASK>
[   49.800589][  T923]  dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120)
[   49.800595][  T923]  ? vprintk_emit (kernel/printk/printk.c:2471)
[   49.800596][  T923]  __might_resched.cold (kernel/sched/core.c:9234)
[   49.800600][  T923]  ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3))
[   49.800604][  T923]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   49.800606][  T923]  __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))
[   49.800609][  T923]  ? __rwlock_init (kernel/locking/spinlock_debug.c:48)
[   49.800612][  T923]  ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[   49.800617][  T923]  ? 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)
[   49.800619][  T923]  alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[   49.800622][  T923]  put_chars (drivers/char/virtio_console.c:1176)
[   49.800623][  T923]  ? __send_to_port (drivers/char/virtio_console.c:654)
[   49.800624][  T923]  ? printk_get_next_message (kernel/printk/printk.c:3072)
[   49.800626][  T923]  ? console_prepend_replay (kernel/printk/printk.c:3005)
[   49.800628][  T923]  ? pointer (lib/vsprintf.c:2577)
[   49.800632][  T923]  hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2))
[   49.800637][  T923]  ? hvc_write (drivers/tty/hvc/hvc_console.c:501)
[   49.800638][  T923]  ? __rwlock_init (kernel/locking/spinlock_debug.c:48)
[   49.800640][  T923]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   49.800643][  T923]  console_emit_next_record (kernel/printk/printk.c:3183)
[   49.800645][  T923]  ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20)
[   49.800647][  T923]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   49.800648][  T923]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   49.800649][  T923]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   49.800650][  T923]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   49.800652][  T923]  ? console_flush_one_record (kernel/printk/printk.c:3247)
[   49.800654][  T923]  console_flush_one_record (kernel/printk/printk.c:3268)
[   49.800656][  T923]  ? console_emit_next_record (kernel/printk/printk.c:3150)
[   49.800659][  T923]  console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420)
[   49.800661][  T923]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   49.800662][  T923]  ? console_flush_one_record (kernel/printk/printk.c:3316)
[   49.800664][  T923]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   49.800665][  T923]  ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22))
[   49.800666][  T923]  ? lock_acquire (./include/linux/srcutree.h:374 ./include/linux/srcu.h:541 ./include/linux/srcu.h:645 ./include/trace/events/lock.h:23 ./include/trace/events/lock.h:23 kernel/locking/lockdep.c:5871)
[   49.800668][  T923]  ? __rcu_read_lock (kernel/rcu/tree_plugin.h:391 (discriminator 6))
[   49.800669][  T923]  ? __down_trylock_console_sem (kernel/printk/printk.c:334)
[   49.800671][  T923]  ? vprintk_emit (kernel/printk/printk.c:2478)
[   49.800673][  T923]  vprintk_emit (kernel/printk/printk.c:2479)
[   49.800674][  T923]  ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126))
[   49.800676][  T923]  ? preempt_schedule_thunk (arch/x86/entry/thunk.S:12)
[   49.800678][  T923]  ? _mutex_trylock_nest_lock (kernel/locking/mutex.c:1227 (discriminator 6))
[   49.800680][  T923]  _printk (kernel/printk/printk.c:2504)
[   49.800683][  T923]  ? snapshot_read.cold (user.c:?)
[   49.800685][  T923]  ? synchronize_rcu_normal (kernel/rcu/tree.c:3360)
[   49.800687][  T923]  ? netdev_name (./include/linux/netdevice.h:5709 (discriminator 1))
[   49.800690][  T923]  ? __netdev_printk (net/core/dev.c:13148 (discriminator 2))
[   49.800692][  T923]  ? do_setlink.isra.0 (net/core/rtnetlink.c:3246)
[   49.800695][  T923]  netdev_info (net/core/dev.c:13195 (discriminator 3))
[   49.800698][  T923]  ? netdev_notice (net/core/dev.c:13194)
[   49.800700][  T923]  ? 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)
[   49.800701][  T923]  ? __dev_change_net_namespace (net/core/dev.c:12342 net/core/dev.c:12883)
[   49.800704][  T923]  ? __rwlock_init (kernel/locking/spinlock_debug.c:48)
[   49.800705][  T923]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   49.800706][  T923]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   49.800707][  T923]  ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22))
[   49.800710][  T923]  ? trace_irq_disable.constprop.0 (./include/trace/events/preemptirq.h:36 (discriminator 22))
[   49.800711][  T923]  ? trace_irq_enable.constprop.0 (./include/linux/instrumented.h:82 ./include/asm-generic/bitops/instrumented-non-atomic.h:141 ./include/linux/cpumask.h:650 ./include/linux/cpumask.h:1232 ./include/trace/events/preemptirq.h:40)
[   49.800713][  T923]  ? do_setlink.isra.0 (net/core/rtnetlink.c:3246)
[   49.800714][  T923]  netif_change_name.cold (net/core/dev.c:1507 (discriminator 3))
[   49.800715][  T923]  ? register_netdev (net/core/dev.c:11618)
[   49.800717][  T923]  ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22))
[   49.800719][  T923]  ? netdev_adjacent_rename_links (net/core/dev.c:9598)
[   49.800721][  T923]  ? __kernel_text_address (kernel/extable.c:79)
[   49.800723][  T923]  ? write_profile (profile.c:?)
[   49.800726][  T923]  ? __asan_memset (mm/kasan/shadow.c:84 (discriminator 1))
[   49.800730][  T923]  do_setlink.isra.0 (net/core/rtnetlink.c:3246)
[   49.800731][  T923]  ? stack_trace_save (kernel/stacktrace.c:122 (discriminator 1))
[   49.800733][  T923]  ? rtnl_link_get_size (net/core/rtnetlink.c:747)
[   49.800734][  T923]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   49.800735][  T923]  ? stack_depot_save_flags (lib/stackdepot.c:609 lib/stackdepot.c:676)
[   49.800738][  T923]  ? kasan_save_stack (mm/kasan/common.c:58)
[   49.800740][  T923]  ? kasan_save_stack (mm/kasan/common.c:57)
[   49.800741][  T923]  ? kasan_save_track (mm/kasan/common.c:78)
[   49.800742][  T923]  ? __kasan_kmalloc (mm/kasan/common.c:398 mm/kasan/common.c:415)
[   49.800743][  T923]  ? __kmalloc_cache_noprof (./include/linux/kasan.h:263 mm/slub.c:5563)
[   49.800744][  T923]  ? rtnl_newlink (./include/linux/slab.h:991 (discriminator 1) net/core/rtnetlink.c:4113 (discriminator 1))
[   49.800745][  T923]  ? rtnetlink_rcv_msg (net/core/rtnetlink.c:7132)
[   49.800746][  T923]  ? netlink_rcv_skb (net/netlink/af_netlink.c:2556)
[   49.800749][  T923]  ? netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[   49.800750][  T923]  ? netlink_sendmsg (net/netlink/af_netlink.c:1900)
[   49.800752][  T923]  ? __sock_sendmsg (net/socket.c:800 (discriminator 4) net/socket.c:815 (discriminator 4))
[   49.800754][  T923]  ? ____sys_sendmsg (net/socket.c:2713)
[   49.800756][  T923]  ? ___sys_sendmsg (net/socket.c:2767)
[   49.800757][  T923]  ? __sys_sendmsg (net/socket.c:2799)
[   49.800758][  T923]  ? do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84)
[   49.800761][  T923]  ? entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[   49.800763][  T923]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   49.800764][  T923]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   49.800765][  T923]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   49.800766][  T923]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   49.800767][  T923]  ? trace_contention_end (./include/trace/events/lock.h:121 (discriminator 22))
[   49.800769][  T923]  ? __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)
[   49.800770][  T923]  ? __mutex_lock (kernel/locking/mutex.c:656 (discriminator 1) kernel/locking/mutex.c:821 (discriminator 1))
[   49.800771][  T923]  ? rtnl_newlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:366 net/core/rtnetlink.c:4214)
[   49.800773][  T923]  ? ww_mutex_lock (kernel/locking/mutex.c:934)
[   49.800773][  T923]  ? nla_get_range_signed (lib/nlattr.c:270)
[   49.800777][  T923]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   49.800778][  T923]  ? __rtnl_newlink (net/core/rtnetlink.c:4063)
[   49.800780][  T923]  rtnl_newlink (net/core/rtnetlink.c:4215)
[   49.800782][  T923]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   49.800783][  T923]  ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558)
[   49.800784][  T923]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   49.800786][  T923]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   49.800787][  T923]  ? is_bpf_text_address (./include/linux/rcupdate.h:850 kernel/bpf/core.c:749)
[   49.800789][  T923]  ? is_bpf_text_address (./include/linux/rcupdate.h:882 kernel/bpf/core.c:751)
[   49.800790][  T923]  ? kernel_text_address (kernel/extable.c:125 kernel/extable.c:94)
[   49.800792][  T923]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   49.800793][  T923]  ? cap_capable (./include/trace/events/capability.h:26 (discriminator 22) security/commoncap.c:130 (discriminator 22))
[   49.800796][  T923]  ? arch_stack_walk (arch/x86/kernel/stacktrace.c:26)
[   49.800798][  T923]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   49.800799][  T923]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   49.800801][  T923]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   49.800802][  T923]  ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558)
[   49.800803][  T923]  rtnetlink_rcv_msg (net/core/rtnetlink.c:7132)
[   49.800805][  T923]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   49.800806][  T923]  ? filter_irq_stacks (kernel/stacktrace.c:402)
[   49.800807][  T923]  ? stack_depot_save_flags (lib/stackdepot.c:609 lib/stackdepot.c:676)
[   49.800810][  T923]  netlink_rcv_skb (net/netlink/af_netlink.c:2556)
[   49.800811][  T923]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   49.800812][  T923]  ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22))
[   49.800814][  T923]  ? netlink_ack (./include/linux/skbuff.h:2718)
[   49.800816][  T923]  ? __netlink_lookup (./include/linux/rcupdate.h:850 ./include/linux/rhashtable.h:709 net/netlink/af_netlink.c:499)
[   49.800819][  T923]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   49.800820][  T923]  ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22))
[   49.800822][  T923]  netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[   49.800824][  T923]  ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[   49.800825][  T923]  ? entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[   49.800827][  T923]  netlink_sendmsg (net/netlink/af_netlink.c:1900)
[   49.800829][  T923]  ? netlink_unicast (./include/net/net_namespace.h:422 (discriminator 7))
[   49.800831][  T923]  ? kernel_text_address (kernel/extable.c:125 kernel/extable.c:94)
[   49.800832][  T923]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   49.800834][  T923]  ? __import_iovec (lib/iov_iter.c:1358 lib/iov_iter.c:1373)
[   49.800837][  T923]  __sock_sendmsg (net/socket.c:800 (discriminator 4) net/socket.c:815 (discriminator 4))
[   49.800839][  T923]  ____sys_sendmsg (net/socket.c:2713)
[   49.800840][  T923]  ? copy_msghdr_from_user (net/socket.c:2650)
[   49.800842][  T923]  ? sock_write_iter (net/socket.c:1269)
[   49.800843][  T923]  ? move_addr_to_kernel (net/socket.c:258)
[   49.800845][  T923]  ? filter_irq_stacks (kernel/stacktrace.c:402)
[   49.800847][  T923]  ___sys_sendmsg (net/socket.c:2767)
[   49.800849][  T923]  ? copy_msghdr_from_user (net/socket.c:2619)
[   49.800854][  T923]  __sys_sendmsg (net/socket.c:2799)
[   49.800856][  T923]  ? __sys_sendmsg_sock (net/socket.c:2780)
[   49.800858][  T923]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   49.800860][  T923]  do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84)
[   49.800861][  T923]  ? exc_page_fault (arch/x86/mm/fault.c:1489 (discriminator 3) arch/x86/mm/fault.c:1536 (discriminator 3))
[   49.800863][  T923]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[   49.800865][  T923] RIP: 0033:0x7fb62e0a354e
[   49.800867][  T923] 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
[   49.800869][  T923] RSP: 002b:00007fffc8d65a70 EFLAGS: 00000202 ORIG_RAX: 000000000000002e
[   49.800872][  T923] RAX: ffffffffffffffda RBX: 0000000000000005 RCX: 00007fb62e0a354e
[   49.800873][  T923] RDX: 0000000000000000 RSI: 00007fffc8d65b20 RDI: 0000000000000005
[   49.800874][  T923] RBP: 00007fffc8d65a80 R08: 0000000000000000 R09: 0000000000000000
[   49.800875][  T923] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a915b14
[   49.800876][  T923] R13: 00000000004a1620 R14: 0000000000000000 R15: 00007fffc8d661e0
| [   56.301274][ T1032] softirqs last disabled at (0): 0x0
| [   56.301276][ T1032] Preemption disabled at:
| [   56.301277][ T1032] vprintk_emit (kernel/printk/printk.c:2471)
| [   56.301287][ T1032] Tainted: [W]=WARN
[   56.301288][ T1032] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   56.301292][ T1032] Call Trace:
[   56.301294][ T1032]  <TASK>
[   56.301296][ T1032]  dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120)
[   56.301302][ T1032]  ? vprintk_emit (kernel/printk/printk.c:2471)
[   56.301303][ T1032]  __might_resched.cold (kernel/sched/core.c:9234)
[   56.301313][ T1032]  ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3))
[   56.301317][ T1032]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   56.301319][ T1032]  __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))
[   56.301322][ T1032]  ? __rwlock_init (kernel/locking/spinlock_debug.c:48)
[   56.301325][ T1032]  ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[   56.301331][ T1032]  ? 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)
[   56.301332][ T1032]  alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[   56.301335][ T1032]  put_chars (drivers/char/virtio_console.c:1176)
[   56.301337][ T1032]  ? __send_to_port (drivers/char/virtio_console.c:654)
[   56.301338][ T1032]  ? printk_get_next_message (kernel/printk/printk.c:3072)
[   56.301340][ T1032]  ? console_prepend_replay (kernel/printk/printk.c:3005)
[   56.301342][ T1032]  ? pointer (lib/vsprintf.c:2577)
[   56.301345][ T1032]  hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2))
[   56.301350][ T1032]  ? hvc_write (drivers/tty/hvc/hvc_console.c:501)
[   56.301352][ T1032]  ? __rwlock_init (kernel/locking/spinlock_debug.c:48)
[   56.301354][ T1032]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   56.301356][ T1032]  console_emit_next_record (kernel/printk/printk.c:3183)
[   56.301359][ T1032]  ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20)
[   56.301361][ T1032]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   56.301362][ T1032]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   56.301363][ T1032]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   56.301364][ T1032]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   56.301366][ T1032]  ? console_flush_one_record (kernel/printk/printk.c:3247)
[   56.301367][ T1032]  console_flush_one_record (kernel/printk/printk.c:3268)
[   56.301370][ T1032]  ? console_emit_next_record (kernel/printk/printk.c:3150)
[   56.301372][ T1032]  console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420)
[   56.301374][ T1032]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   56.301376][ T1032]  ? console_flush_one_record (kernel/printk/printk.c:3316)
[   56.301377][ T1032]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   56.301378][ T1032]  ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22))
[   56.301380][ T1032]  ? lock_acquire (./include/linux/srcutree.h:374 ./include/linux/srcu.h:541 ./include/linux/srcu.h:645 ./include/trace/events/lock.h:23 ./include/trace/events/lock.h:23 kernel/locking/lockdep.c:5871)
[   56.301381][ T1032]  ? __rcu_read_lock (kernel/rcu/tree_plugin.h:391 (discriminator 6))
[   56.301383][ T1032]  ? __down_trylock_console_sem (kernel/printk/printk.c:334)
[   56.301385][ T1032]  ? vprintk_emit (kernel/printk/printk.c:2478)
[   56.301386][ T1032]  vprintk_emit (kernel/printk/printk.c:2479)
[   56.301388][ T1032]  ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126))
[   56.301389][ T1032]  ? prepare_to_wait_event (kernel/sched/wait.c:318 (discriminator 7))
[   56.301391][ T1032]  ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22))
[   56.301394][ T1032]  ? _mutex_trylock_nest_lock (kernel/locking/mutex.c:1227 (discriminator 6))
[   56.301396][ T1032]  _printk (kernel/printk/printk.c:2504)
[   56.301399][ T1032]  ? snapshot_read.cold (user.c:?)
[   56.301401][ T1032]  ? synchronize_rcu_normal (kernel/rcu/tree.c:3360)
[   56.301403][ T1032]  ? netdev_name (./include/linux/netdevice.h:5709 (discriminator 1))
[   56.301406][ T1032]  ? __netdev_printk (net/core/dev.c:13148 (discriminator 2))
[   56.301408][ T1032]  ? do_setlink.isra.0 (net/core/rtnetlink.c:3246)
[   56.301411][ T1032]  netdev_info (net/core/dev.c:13195 (discriminator 3))
[   56.301413][ T1032]  ? netdev_notice (net/core/dev.c:13194)
[   56.301416][ T1032]  ? 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)
[   56.301417][ T1032]  ? __dev_change_net_namespace (net/core/dev.c:12342 net/core/dev.c:12883)
[   56.301420][ T1032]  ? __rwlock_init (kernel/locking/spinlock_debug.c:48)
[   56.301421][ T1032]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   56.301422][ T1032]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   56.301423][ T1032]  ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22))
[   56.301424][ T1032]  ? trace_irq_disable.constprop.0 (./include/trace/events/preemptirq.h:36 (discriminator 22))
[   56.301426][ T1032]  ? trace_irq_enable.constprop.0 (./include/linux/instrumented.h:82 ./include/asm-generic/bitops/instrumented-non-atomic.h:141 ./include/linux/cpumask.h:650 ./include/linux/cpumask.h:1232 ./include/trace/events/preemptirq.h:40)
[   56.301427][ T1032]  ? do_setlink.isra.0 (net/core/rtnetlink.c:3246)
[   56.301428][ T1032]  netif_change_name.cold (net/core/dev.c:1507 (discriminator 3))
[   56.301430][ T1032]  ? register_netdev (net/core/dev.c:11618)
[   56.301432][ T1032]  ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22))
[   56.301434][ T1032]  ? netdev_adjacent_rename_links (net/core/dev.c:9598)
[   56.301436][ T1032]  ? __kernel_text_address (kernel/extable.c:79)
[   56.301438][ T1032]  ? write_profile (profile.c:?)
[   56.301441][ T1032]  ? __asan_memset (mm/kasan/shadow.c:84 (discriminator 1))
[   56.301445][ T1032]  do_setlink.isra.0 (net/core/rtnetlink.c:3246)
[   56.301446][ T1032]  ? stack_trace_save (kernel/stacktrace.c:122 (discriminator 1))
[   56.301448][ T1032]  ? rtnl_link_get_size (net/core/rtnetlink.c:747)
[   56.301449][ T1032]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   56.301450][ T1032]  ? stack_depot_save_flags (lib/stackdepot.c:609 lib/stackdepot.c:676)
[   56.301453][ T1032]  ? kasan_save_stack (mm/kasan/common.c:58)
[   56.301455][ T1032]  ? kasan_save_stack (mm/kasan/common.c:57)
[   56.301456][ T1032]  ? kasan_save_track (mm/kasan/common.c:78)
[   56.301457][ T1032]  ? __kasan_kmalloc (mm/kasan/common.c:398 mm/kasan/common.c:415)
[   56.301458][ T1032]  ? __kmalloc_cache_noprof (./include/linux/kasan.h:263 mm/slub.c:5563)
[   56.301459][ T1032]  ? rtnl_newlink (./include/linux/slab.h:991 (discriminator 1) net/core/rtnetlink.c:4113 (discriminator 1))
[   56.301460][ T1032]  ? rtnetlink_rcv_msg (net/core/rtnetlink.c:7132)
[   56.301461][ T1032]  ? netlink_rcv_skb (net/netlink/af_netlink.c:2556)
[   56.301464][ T1032]  ? netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[   56.301465][ T1032]  ? netlink_sendmsg (net/netlink/af_netlink.c:1900)
[   56.301467][ T1032]  ? __sock_sendmsg (net/socket.c:800 (discriminator 4) net/socket.c:815 (discriminator 4))
[   56.301469][ T1032]  ? ____sys_sendmsg (net/socket.c:2713)
[   56.301471][ T1032]  ? ___sys_sendmsg (net/socket.c:2767)
[   56.301472][ T1032]  ? __sys_sendmsg (net/socket.c:2799)
[   56.301474][ T1032]  ? do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84)
[   56.301476][ T1032]  ? entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[   56.301479][ T1032]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   56.301481][ T1032]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   56.301482][ T1032]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   56.301483][ T1032]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   56.301484][ T1032]  ? trace_contention_end (./include/trace/events/lock.h:121 (discriminator 22))
[   56.301485][ T1032]  ? __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)
[   56.301487][ T1032]  ? __mutex_lock (kernel/locking/mutex.c:656 (discriminator 1) kernel/locking/mutex.c:821 (discriminator 1))
[   56.301488][ T1032]  ? rtnl_newlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:366 net/core/rtnetlink.c:4214)
[   56.301489][ T1032]  ? ww_mutex_lock (kernel/locking/mutex.c:934)
[   56.301490][ T1032]  ? nla_get_range_signed (lib/nlattr.c:270)
[   56.301493][ T1032]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   56.301494][ T1032]  ? __rtnl_newlink (net/core/rtnetlink.c:4063)
[   56.301496][ T1032]  rtnl_newlink (net/core/rtnetlink.c:4215)
[   56.301498][ T1032]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   56.301499][ T1032]  ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558)
[   56.301501][ T1032]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   56.301502][ T1032]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   56.301503][ T1032]  ? is_bpf_text_address (./include/linux/rcupdate.h:850 kernel/bpf/core.c:749)
[   56.301505][ T1032]  ? is_bpf_text_address (./include/linux/rcupdate.h:882 kernel/bpf/core.c:751)
[   56.301507][ T1032]  ? kernel_text_address (kernel/extable.c:125 kernel/extable.c:94)
[   56.301508][ T1032]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   56.301509][ T1032]  ? cap_capable (./include/trace/events/capability.h:26 (discriminator 22) security/commoncap.c:130 (discriminator 22))
[   56.301512][ T1032]  ? arch_stack_walk (arch/x86/kernel/stacktrace.c:26)
[   56.301515][ T1032]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   56.301516][ T1032]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   56.301517][ T1032]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   56.301518][ T1032]  ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558)
[   56.301519][ T1032]  rtnetlink_rcv_msg (net/core/rtnetlink.c:7132)
[   56.301521][ T1032]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   56.301522][ T1032]  ? filter_irq_stacks (kernel/stacktrace.c:402)
[   56.301524][ T1032]  ? stack_depot_save_flags (lib/stackdepot.c:609 lib/stackdepot.c:676)
[   56.301526][ T1032]  netlink_rcv_skb (net/netlink/af_netlink.c:2556)
[   56.301527][ T1032]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   56.301529][ T1032]  ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22))
[   56.301530][ T1032]  ? netlink_ack (./include/linux/skbuff.h:2718)
[   56.301532][ T1032]  ? __netlink_lookup (./include/linux/rcupdate.h:850 ./include/linux/rhashtable.h:709 net/netlink/af_netlink.c:499)
[   56.301535][ T1032]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   56.301536][ T1032]  ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22))
[   56.301538][ T1032]  netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[   56.301540][ T1032]  ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[   56.301542][ T1032]  ? entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[   56.301543][ T1032]  netlink_sendmsg (net/netlink/af_netlink.c:1900)
[   56.301545][ T1032]  ? netlink_unicast (./include/net/net_namespace.h:422 (discriminator 7))
[   56.301547][ T1032]  ? kernel_text_address (kernel/extable.c:125 kernel/extable.c:94)
[   56.301549][ T1032]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   56.301550][ T1032]  ? __import_iovec (lib/iov_iter.c:1358 lib/iov_iter.c:1373)
[   56.301553][ T1032]  __sock_sendmsg (net/socket.c:800 (discriminator 4) net/socket.c:815 (discriminator 4))
[   56.301555][ T1032]  ____sys_sendmsg (net/socket.c:2713)
[   56.301556][ T1032]  ? copy_msghdr_from_user (net/socket.c:2650)
[   56.301558][ T1032]  ? sock_write_iter (net/socket.c:1269)
[   56.301559][ T1032]  ? move_addr_to_kernel (net/socket.c:258)
[   56.301561][ T1032]  ? filter_irq_stacks (kernel/stacktrace.c:402)
[   56.301563][ T1032]  ___sys_sendmsg (net/socket.c:2767)
[   56.301565][ T1032]  ? copy_msghdr_from_user (net/socket.c:2619)
[   56.301570][ T1032]  __sys_sendmsg (net/socket.c:2799)
[   56.301572][ T1032]  ? __sys_sendmsg_sock (net/socket.c:2780)
[   56.301575][ T1032]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   56.301576][ T1032]  do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84)
[   56.301578][ T1032]  ? exc_page_fault (arch/x86/mm/fault.c:1489 (discriminator 3) arch/x86/mm/fault.c:1536 (discriminator 3))
[   56.301579][ T1032]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[   56.301581][ T1032] RIP: 0033:0x7efcf323554e
[   56.301583][ T1032] 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
[   56.301585][ T1032] RSP: 002b:00007ffd178f1960 EFLAGS: 00000202 ORIG_RAX: 000000000000002e
[   56.301588][ T1032] RAX: ffffffffffffffda RBX: 0000000000000005 RCX: 00007efcf323554e
[   56.301590][ T1032] RDX: 0000000000000000 RSI: 00007ffd178f1a10 RDI: 0000000000000005
[   56.301590][ T1032] RBP: 00007ffd178f1970 R08: 0000000000000000 R09: 0000000000000000
[   56.301591][ T1032] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a915b1a
[   56.301592][ T1032] R13: 00000000004a1620 R14: 0000000000000000 R15: 00007ffd178f20d0
| [   61.664174][ T1094] softirqs last disabled at (0): 0x0
| [   61.664176][ T1094] Preemption disabled at:
| [   61.664177][ T1094] vprintk_emit (kernel/printk/printk.c:2471)
| [   61.664187][ T1094] Tainted: [W]=WARN
[   61.664188][ T1094] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   61.664190][ T1094] Call Trace:
[   61.664191][ T1094]  <TASK>
[   61.664193][ T1094]  dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120)
[   61.664198][ T1094]  ? vprintk_emit (kernel/printk/printk.c:2471)
[   61.664199][ T1094]  __might_resched.cold (kernel/sched/core.c:9234)
[   61.664203][ T1094]  ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3))
[   61.664206][ T1094]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   61.664208][ T1094]  __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))
[   61.664211][ T1094]  ? __rwlock_init (kernel/locking/spinlock_debug.c:48)
[   61.664214][ T1094]  ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[   61.664219][ T1094]  ? 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)
[   61.664221][ T1094]  alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[   61.664224][ T1094]  put_chars (drivers/char/virtio_console.c:1176)
[   61.664225][ T1094]  ? __send_to_port (drivers/char/virtio_console.c:654)
[   61.664226][ T1094]  ? printk_get_next_message (kernel/printk/printk.c:3072)
[   61.664228][ T1094]  ? console_prepend_replay (kernel/printk/printk.c:3005)
[   61.664230][ T1094]  ? pointer (lib/vsprintf.c:2577)
[   61.664234][ T1094]  hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2))
[   61.664239][ T1094]  ? hvc_write (drivers/tty/hvc/hvc_console.c:501)
[   61.664240][ T1094]  ? __rwlock_init (kernel/locking/spinlock_debug.c:48)
[   61.664242][ T1094]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   61.664244][ T1094]  console_emit_next_record (kernel/printk/printk.c:3183)
[   61.664247][ T1094]  ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20)
[   61.664249][ T1094]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   61.664250][ T1094]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   61.664251][ T1094]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   61.664252][ T1094]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   61.664254][ T1094]  ? console_flush_one_record (kernel/printk/printk.c:3247)
[   61.664256][ T1094]  console_flush_one_record (kernel/printk/printk.c:3268)
[   61.664258][ T1094]  ? console_emit_next_record (kernel/printk/printk.c:3150)
[   61.664261][ T1094]  console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420)
[   61.664262][ T1094]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   61.664264][ T1094]  ? console_flush_one_record (kernel/printk/printk.c:3316)
[   61.664266][ T1094]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   61.664266][ T1094]  ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22))
[   61.664268][ T1094]  ? lock_acquire (./include/linux/srcutree.h:374 ./include/linux/srcu.h:541 ./include/linux/srcu.h:645 ./include/trace/events/lock.h:23 ./include/trace/events/lock.h:23 kernel/locking/lockdep.c:5871)
[   61.664269][ T1094]  ? __rcu_read_lock (kernel/rcu/tree_plugin.h:391 (discriminator 6))
[   61.664271][ T1094]  ? __down_trylock_console_sem (kernel/printk/printk.c:334)
[   61.664273][ T1094]  ? vprintk_emit (kernel/printk/printk.c:2478)
[   61.664274][ T1094]  vprintk_emit (kernel/printk/printk.c:2479)
[   61.664276][ T1094]  ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126))
[   61.664277][ T1094]  ? fib6_del (net/ipv6/ip6_fib.c:2069)
[   61.664281][ T1094]  _printk (kernel/printk/printk.c:2504)
[   61.664284][ T1094]  ? snapshot_read.cold (user.c:?)
[   61.664285][ T1094]  ? trace_hardirqs_on (kernel/trace/trace_preemptirq.c:78)
[   61.664288][ T1094]  ? __fib6_clean_all (./include/linux/rcupdate.h:319 (discriminator 2) ./include/linux/rcupdate.h:880 (discriminator 2) net/ipv6/ip6_fib.c:2329 (discriminator 2))
[   61.664293][ T1094]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   61.664294][ T1094]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   61.664295][ T1094]  ? netdev_name (./include/linux/netdevice.h:5709 (discriminator 1))
[   61.664299][ T1094]  ? __netdev_printk (net/core/dev.c:13148 (discriminator 2))
[   61.664300][ T1094]  ? do_setlink.isra.0 (net/core/rtnetlink.c:3246)
[   61.664304][ T1094]  netdev_info (net/core/dev.c:13195 (discriminator 3))
[   61.664306][ T1094]  ? netdev_notice (net/core/dev.c:13194)
[   61.664308][ T1094]  ? 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)
[   61.664310][ T1094]  ? __rwlock_init (kernel/locking/spinlock_debug.c:48)
[   61.664316][ T1094]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   61.664317][ T1094]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   61.664318][ T1094]  ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22))
[   61.664319][ T1094]  ? trace_irq_disable.constprop.0 (./include/trace/events/preemptirq.h:36 (discriminator 22))
[   61.664321][ T1094]  ? trace_irq_enable.constprop.0 (./include/linux/instrumented.h:82 ./include/asm-generic/bitops/instrumented-non-atomic.h:141 ./include/linux/cpumask.h:650 ./include/linux/cpumask.h:1232 ./include/trace/events/preemptirq.h:40)
[   61.664322][ T1094]  ? do_setlink.isra.0 (net/core/rtnetlink.c:3246)
[   61.664323][ T1094]  netif_change_name.cold (net/core/dev.c:1507 (discriminator 3))
[   61.664325][ T1094]  ? netif_set_mtu_ext (net/core/dev.c:2350 net/core/dev.c:9952)
[   61.664329][ T1094]  ? netdev_adjacent_rename_links (net/core/dev.c:9598)
[   61.664331][ T1094]  ? __asan_memset (mm/kasan/shadow.c:84 (discriminator 1))
[   61.664335][ T1094]  do_setlink.isra.0 (net/core/rtnetlink.c:3246)
[   61.664337][ T1094]  ? stack_trace_save (kernel/stacktrace.c:122 (discriminator 1))
[   61.664340][ T1094]  ? rtnl_link_get_size (net/core/rtnetlink.c:747)
[   61.664341][ T1094]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   61.664342][ T1094]  ? stack_depot_save_flags (lib/stackdepot.c:609 lib/stackdepot.c:676)
[   61.664345][ T1094]  ? kasan_save_stack (mm/kasan/common.c:58)
[   61.664347][ T1094]  ? kasan_save_stack (mm/kasan/common.c:57)
[   61.664348][ T1094]  ? kasan_save_track (mm/kasan/common.c:78)
[   61.664349][ T1094]  ? __kasan_kmalloc (mm/kasan/common.c:398 mm/kasan/common.c:415)
[   61.664350][ T1094]  ? __kmalloc_cache_noprof (./include/linux/kasan.h:263 mm/slub.c:5563)
[   61.664351][ T1094]  ? rtnl_newlink (./include/linux/slab.h:991 (discriminator 1) net/core/rtnetlink.c:4113 (discriminator 1))
[   61.664352][ T1094]  ? rtnetlink_rcv_msg (net/core/rtnetlink.c:7132)
[   61.664353][ T1094]  ? netlink_rcv_skb (net/netlink/af_netlink.c:2556)
[   61.664356][ T1094]  ? netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[   61.664358][ T1094]  ? netlink_sendmsg (net/netlink/af_netlink.c:1900)
[   61.664359][ T1094]  ? __sock_sendmsg (net/socket.c:800 (discriminator 4) net/socket.c:815 (discriminator 4))
[   61.664362][ T1094]  ? ____sys_sendmsg (net/socket.c:2713)
[   61.664363][ T1094]  ? ___sys_sendmsg (net/socket.c:2767)
[   61.664364][ T1094]  ? __sys_sendmsg (net/socket.c:2799)
[   61.664366][ T1094]  ? do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84)
[   61.664368][ T1094]  ? entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[   61.664371][ T1094]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   61.664372][ T1094]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   61.664373][ T1094]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   61.664374][ T1094]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   61.664375][ T1094]  ? trace_contention_end (./include/trace/events/lock.h:121 (discriminator 22))
[   61.664377][ T1094]  ? __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)
[   61.664378][ T1094]  ? __mutex_lock (kernel/locking/mutex.c:656 (discriminator 1) kernel/locking/mutex.c:821 (discriminator 1))
[   61.664379][ T1094]  ? rtnl_newlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:366 net/core/rtnetlink.c:4214)
[   61.664381][ T1094]  ? ww_mutex_lock (kernel/locking/mutex.c:934)
[   61.664382][ T1094]  ? nla_get_range_signed (lib/nlattr.c:270)
[   61.664385][ T1094]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   61.664386][ T1094]  ? __rtnl_newlink (net/core/rtnetlink.c:4063)
[   61.664388][ T1094]  rtnl_newlink (net/core/rtnetlink.c:4215)
[   61.664390][ T1094]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   61.664391][ T1094]  ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558)
[   61.664392][ T1094]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   61.664394][ T1094]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   61.664395][ T1094]  ? is_bpf_text_address (./include/linux/rcupdate.h:850 kernel/bpf/core.c:749)
[   61.664397][ T1094]  ? is_bpf_text_address (./include/linux/rcupdate.h:882 kernel/bpf/core.c:751)
[   61.664399][ T1094]  ? kernel_text_address (kernel/extable.c:125 kernel/extable.c:94)
[   61.664401][ T1094]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   61.664402][ T1094]  ? cap_capable (./include/trace/events/capability.h:26 (discriminator 22) security/commoncap.c:130 (discriminator 22))
[   61.664405][ T1094]  ? arch_stack_walk (arch/x86/kernel/stacktrace.c:26)
[   61.664408][ T1094]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   61.664409][ T1094]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   61.664410][ T1094]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   61.664411][ T1094]  ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558)
[   61.664413][ T1094]  rtnetlink_rcv_msg (net/core/rtnetlink.c:7132)
[   61.664414][ T1094]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   61.664416][ T1094]  ? filter_irq_stacks (kernel/stacktrace.c:402)
[   61.664417][ T1094]  ? stack_depot_save_flags (lib/stackdepot.c:609 lib/stackdepot.c:676)
[   61.664419][ T1094]  netlink_rcv_skb (net/netlink/af_netlink.c:2556)
[   61.664421][ T1094]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   61.664422][ T1094]  ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22))
[   61.664424][ T1094]  ? netlink_ack (./include/linux/skbuff.h:2718)
[   61.664425][ T1094]  ? __netlink_lookup (./include/linux/rcupdate.h:850 ./include/linux/rhashtable.h:709 net/netlink/af_netlink.c:499)
[   61.664429][ T1094]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   61.664430][ T1094]  ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22))
[   61.664432][ T1094]  netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[   61.664434][ T1094]  ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[   61.664436][ T1094]  ? entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[   61.664437][ T1094]  netlink_sendmsg (net/netlink/af_netlink.c:1900)
[   61.664439][ T1094]  ? netlink_unicast (./include/net/net_namespace.h:422 (discriminator 7))
[   61.664441][ T1094]  ? kernel_text_address (kernel/extable.c:125 kernel/extable.c:94)
[   61.664442][ T1094]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   61.664444][ T1094]  ? __import_iovec (lib/iov_iter.c:1358 lib/iov_iter.c:1373)
[   61.664447][ T1094]  __sock_sendmsg (net/socket.c:800 (discriminator 4) net/socket.c:815 (discriminator 4))
[   61.664449][ T1094]  ____sys_sendmsg (net/socket.c:2713)
[   61.664450][ T1094]  ? copy_msghdr_from_user (net/socket.c:2650)
[   61.664452][ T1094]  ? sock_write_iter (net/socket.c:1269)
[   61.664453][ T1094]  ? move_addr_to_kernel (net/socket.c:258)
[   61.664455][ T1094]  ? filter_irq_stacks (kernel/stacktrace.c:402)
[   61.664457][ T1094]  ___sys_sendmsg (net/socket.c:2767)
[   61.664459][ T1094]  ? copy_msghdr_from_user (net/socket.c:2619)
[   61.664464][ T1094]  __sys_sendmsg (net/socket.c:2799)
[   61.664466][ T1094]  ? __sys_sendmsg_sock (net/socket.c:2780)
[   61.664468][ T1094]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   61.664470][ T1094]  do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84)
[   61.664471][ T1094]  ? exc_page_fault (arch/x86/mm/fault.c:1489 (discriminator 3) arch/x86/mm/fault.c:1536 (discriminator 3))
[   61.664473][ T1094]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[   61.664475][ T1094] RIP: 0033:0x7f3289dfe54e
[   61.664477][ T1094] 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
[   61.664478][ T1094] RSP: 002b:00007ffcb3b46930 EFLAGS: 00000202 ORIG_RAX: 000000000000002e
[   61.664482][ T1094] RAX: ffffffffffffffda RBX: 0000000000000006 RCX: 00007f3289dfe54e
[   61.664483][ T1094] RDX: 0000000000000000 RSI: 00007ffcb3b469e0 RDI: 0000000000000005
[   61.664484][ T1094] RBP: 00007ffcb3b46940 R08: 0000000000000000 R09: 0000000000000000
[   61.664485][ T1094] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a915b1f
[   61.664486][ T1094] R13: 00000000004a1620 R14: 0000000000000000 R15: 00007ffcb3b470a0
| [   63.353493][ T1192] softirqs last disabled at (0): 0x0
| [   63.353495][ T1192] Preemption disabled at:
| [   63.353495][ T1192] vprintk_emit (kernel/printk/printk.c:2471)
| [   63.353506][ T1192] Tainted: [W]=WARN
[   63.353507][ T1192] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   63.353508][ T1192] Call Trace:
[   63.353510][ T1192]  <TASK>
[   63.353511][ T1192]  dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120)
[   63.353517][ T1192]  ? vprintk_emit (kernel/printk/printk.c:2471)
[   63.353518][ T1192]  __might_resched.cold (kernel/sched/core.c:9234)
[   63.353522][ T1192]  ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3))
[   63.353525][ T1192]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   63.353528][ T1192]  __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))
[   63.353531][ T1192]  ? __rwlock_init (kernel/locking/spinlock_debug.c:48)
[   63.353534][ T1192]  ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[   63.353539][ T1192]  ? 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)
[   63.353540][ T1192]  alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[   63.353543][ T1192]  put_chars (drivers/char/virtio_console.c:1176)
[   63.353544][ T1192]  ? __send_to_port (drivers/char/virtio_console.c:654)
[   63.353545][ T1192]  ? printk_get_next_message (kernel/printk/printk.c:3072)
[   63.353547][ T1192]  ? console_prepend_replay (kernel/printk/printk.c:3005)
[   63.353549][ T1192]  ? pointer (lib/vsprintf.c:2577)
[   63.353553][ T1192]  hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2))
[   63.353558][ T1192]  ? hvc_write (drivers/tty/hvc/hvc_console.c:501)
[   63.353559][ T1192]  ? __rwlock_init (kernel/locking/spinlock_debug.c:48)
[   63.353561][ T1192]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   63.353564][ T1192]  console_emit_next_record (kernel/printk/printk.c:3183)
[   63.353566][ T1192]  ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20)
[   63.353568][ T1192]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   63.353569][ T1192]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   63.353570][ T1192]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   63.353571][ T1192]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   63.353573][ T1192]  ? console_flush_one_record (kernel/printk/printk.c:3247)
[   63.353575][ T1192]  console_flush_one_record (kernel/printk/printk.c:3268)
[   63.353577][ T1192]  ? console_emit_next_record (kernel/printk/printk.c:3150)
[   63.353580][ T1192]  console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420)
[   63.353581][ T1192]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   63.353583][ T1192]  ? console_flush_one_record (kernel/printk/printk.c:3316)
[   63.353585][ T1192]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   63.353586][ T1192]  ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22))
[   63.353587][ T1192]  ? lock_acquire (./include/linux/srcutree.h:374 ./include/linux/srcu.h:541 ./include/linux/srcu.h:645 ./include/trace/events/lock.h:23 ./include/trace/events/lock.h:23 kernel/locking/lockdep.c:5871)
[   63.353589][ T1192]  ? __rcu_read_lock (kernel/rcu/tree_plugin.h:391 (discriminator 6))
[   63.353590][ T1192]  ? __down_trylock_console_sem (kernel/printk/printk.c:334)
[   63.353592][ T1192]  ? vprintk_emit (kernel/printk/printk.c:2478)
[   63.353593][ T1192]  vprintk_emit (kernel/printk/printk.c:2479)
[   63.353595][ T1192]  ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126))
[   63.353596][ T1192]  ? fib6_del (net/ipv6/ip6_fib.c:2069)
[   63.353600][ T1192]  _printk (kernel/printk/printk.c:2504)
[   63.353603][ T1192]  ? snapshot_read.cold (user.c:?)
[   63.353605][ T1192]  ? trace_hardirqs_on (kernel/trace/trace_preemptirq.c:78)
[   63.353608][ T1192]  ? __fib6_clean_all (./include/linux/rcupdate.h:319 (discriminator 2) ./include/linux/rcupdate.h:880 (discriminator 2) net/ipv6/ip6_fib.c:2329 (discriminator 2))
[   63.353609][ T1192]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   63.353610][ T1192]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   63.353612][ T1192]  ? netdev_name (./include/linux/netdevice.h:5709 (discriminator 1))
[   63.353615][ T1192]  ? __netdev_printk (net/core/dev.c:13148 (discriminator 2))
[   63.353617][ T1192]  ? do_setlink.isra.0 (net/core/rtnetlink.c:3246)
[   63.353620][ T1192]  netdev_info (net/core/dev.c:13195 (discriminator 3))
[   63.353622][ T1192]  ? netdev_notice (net/core/dev.c:13194)
[   63.353624][ T1192]  ? 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)
[   63.353626][ T1192]  ? __rwlock_init (kernel/locking/spinlock_debug.c:48)
[   63.353627][ T1192]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   63.353628][ T1192]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   63.353629][ T1192]  ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22))
[   63.353631][ T1192]  ? trace_irq_disable.constprop.0 (./include/trace/events/preemptirq.h:36 (discriminator 22))
[   63.353632][ T1192]  ? trace_irq_enable.constprop.0 (./include/linux/instrumented.h:82 ./include/asm-generic/bitops/instrumented-non-atomic.h:141 ./include/linux/cpumask.h:650 ./include/linux/cpumask.h:1232 ./include/trace/events/preemptirq.h:40)
[   63.353633][ T1192]  ? do_setlink.isra.0 (net/core/rtnetlink.c:3246)
[   63.353635][ T1192]  netif_change_name.cold (net/core/dev.c:1507 (discriminator 3))
[   63.353636][ T1192]  ? netif_set_mtu_ext (net/core/dev.c:2350 net/core/dev.c:9952)
[   63.353640][ T1192]  ? netdev_adjacent_rename_links (net/core/dev.c:9598)
[   63.353642][ T1192]  ? __asan_memset (mm/kasan/shadow.c:84 (discriminator 1))
[   63.353646][ T1192]  do_setlink.isra.0 (net/core/rtnetlink.c:3246)
[   63.353648][ T1192]  ? stack_trace_save (kernel/stacktrace.c:122 (discriminator 1))
[   63.353651][ T1192]  ? rtnl_link_get_size (net/core/rtnetlink.c:747)
[   63.353652][ T1192]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   63.353653][ T1192]  ? stack_depot_save_flags (lib/stackdepot.c:609 lib/stackdepot.c:676)
[   63.353656][ T1192]  ? kasan_save_stack (mm/kasan/common.c:58)
[   63.353657][ T1192]  ? kasan_save_stack (mm/kasan/common.c:57)
[   63.353658][ T1192]  ? kasan_save_track (mm/kasan/common.c:78)
[   63.353660][ T1192]  ? __kasan_kmalloc (mm/kasan/common.c:398 mm/kasan/common.c:415)
[   63.353661][ T1192]  ? __kmalloc_cache_noprof (./include/linux/kasan.h:263 mm/slub.c:5563)
[   63.353662][ T1192]  ? rtnl_newlink (./include/linux/slab.h:991 (discriminator 1) net/core/rtnetlink.c:4113 (discriminator 1))
[   63.353663][ T1192]  ? rtnetlink_rcv_msg (net/core/rtnetlink.c:7132)
[   63.353664][ T1192]  ? netlink_rcv_skb (net/netlink/af_netlink.c:2556)
[   63.353667][ T1192]  ? netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[   63.353668][ T1192]  ? netlink_sendmsg (net/netlink/af_netlink.c:1900)
[   63.353670][ T1192]  ? __sock_sendmsg (net/socket.c:800 (discriminator 4) net/socket.c:815 (discriminator 4))
[   63.353672][ T1192]  ? ____sys_sendmsg (net/socket.c:2713)
[   63.353674][ T1192]  ? ___sys_sendmsg (net/socket.c:2767)
[   63.353675][ T1192]  ? __sys_sendmsg (net/socket.c:2799)
[   63.353676][ T1192]  ? do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84)
[   63.353679][ T1192]  ? entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[   63.353681][ T1192]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   63.353682][ T1192]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   63.353683][ T1192]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   63.353684][ T1192]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   63.353685][ T1192]  ? trace_contention_end (./include/trace/events/lock.h:121 (discriminator 22))
[   63.353687][ T1192]  ? __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)
[   63.353688][ T1192]  ? __mutex_lock (kernel/locking/mutex.c:656 (discriminator 1) kernel/locking/mutex.c:821 (discriminator 1))
[   63.353690][ T1192]  ? rtnl_newlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:366 net/core/rtnetlink.c:4214)
[   63.353691][ T1192]  ? ww_mutex_lock (kernel/locking/mutex.c:934)
[   63.353692][ T1192]  ? nla_get_range_signed (lib/nlattr.c:270)
[   63.353695][ T1192]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   63.353696][ T1192]  ? __rtnl_newlink (net/core/rtnetlink.c:4063)
[   63.353698][ T1192]  rtnl_newlink (net/core/rtnetlink.c:4215)
[   63.353700][ T1192]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   63.353701][ T1192]  ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558)
[   63.353702][ T1192]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   63.353704][ T1192]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   63.353705][ T1192]  ? is_bpf_text_address (./include/linux/rcupdate.h:850 kernel/bpf/core.c:749)
[   63.353707][ T1192]  ? is_bpf_text_address (./include/linux/rcupdate.h:882 kernel/bpf/core.c:751)
[   63.353708][ T1192]  ? kernel_text_address (kernel/extable.c:125 kernel/extable.c:94)
[   63.353711][ T1192]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   63.353712][ T1192]  ? cap_capable (./include/trace/events/capability.h:26 (discriminator 22) security/commoncap.c:130 (discriminator 22))
[   63.353715][ T1192]  ? arch_stack_walk (arch/x86/kernel/stacktrace.c:26)
[   63.353717][ T1192]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   63.353718][ T1192]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   63.353720][ T1192]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   63.353721][ T1192]  ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558)
[   63.353722][ T1192]  rtnetlink_rcv_msg (net/core/rtnetlink.c:7132)
[   63.353724][ T1192]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   63.353725][ T1192]  ? filter_irq_stacks (kernel/stacktrace.c:402)
[   63.353726][ T1192]  ? stack_depot_save_flags (lib/stackdepot.c:609 lib/stackdepot.c:676)
[   63.353728][ T1192]  netlink_rcv_skb (net/netlink/af_netlink.c:2556)
[   63.353730][ T1192]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   63.353731][ T1192]  ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22))
[   63.353733][ T1192]  ? netlink_ack (./include/linux/skbuff.h:2718)
[   63.353734][ T1192]  ? __netlink_lookup (./include/linux/rcupdate.h:850 ./include/linux/rhashtable.h:709 net/netlink/af_netlink.c:499)
[   63.353737][ T1192]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   63.353738][ T1192]  ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22))
[   63.353740][ T1192]  netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[   63.353742][ T1192]  ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[   63.353744][ T1192]  ? entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[   63.353746][ T1192]  netlink_sendmsg (net/netlink/af_netlink.c:1900)
[   63.353748][ T1192]  ? netlink_unicast (./include/net/net_namespace.h:422 (discriminator 7))
[   63.353749][ T1192]  ? kernel_text_address (kernel/extable.c:125 kernel/extable.c:94)
[   63.353751][ T1192]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   63.353752][ T1192]  ? __import_iovec (lib/iov_iter.c:1358 lib/iov_iter.c:1373)
[   63.353755][ T1192]  __sock_sendmsg (net/socket.c:800 (discriminator 4) net/socket.c:815 (discriminator 4))
[   63.353757][ T1192]  ____sys_sendmsg (net/socket.c:2713)
[   63.353759][ T1192]  ? copy_msghdr_from_user (net/socket.c:2650)
[   63.353760][ T1192]  ? sock_write_iter (net/socket.c:1269)
[   63.353762][ T1192]  ? move_addr_to_kernel (net/socket.c:258)
[   63.353763][ T1192]  ? filter_irq_stacks (kernel/stacktrace.c:402)
[   63.353766][ T1192]  ___sys_sendmsg (net/socket.c:2767)
[   63.353767][ T1192]  ? copy_msghdr_from_user (net/socket.c:2619)
[   63.353772][ T1192]  __sys_sendmsg (net/socket.c:2799)
[   63.353774][ T1192]  ? __sys_sendmsg_sock (net/socket.c:2780)
[   63.353777][ T1192]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   63.353778][ T1192]  do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84)
[   63.353780][ T1192]  ? exc_page_fault (arch/x86/mm/fault.c:1489 (discriminator 3) arch/x86/mm/fault.c:1536 (discriminator 3))
[   63.353782][ T1192]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[   63.353783][ T1192] RIP: 0033:0x7f2ee91ab54e
[   63.353785][ T1192] 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
[   63.353786][ T1192] RSP: 002b:00007fff10e6dbe0 EFLAGS: 00000202 ORIG_RAX: 000000000000002e
[   63.353790][ T1192] RAX: ffffffffffffffda RBX: 0000000000000006 RCX: 00007f2ee91ab54e
[   63.353791][ T1192] RDX: 0000000000000000 RSI: 00007fff10e6dc90 RDI: 0000000000000005
[   63.353792][ T1192] RBP: 00007fff10e6dbf0 R08: 0000000000000000 R09: 0000000000000000
[   63.353793][ T1192] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a915b21


Finger prints:
br_device_event:dump_stack_lvl:__kmalloc_noprof:put_chars:hvc_console_print
netlink_release:dump_stack_lvl:__kmalloc_noprof:put_chars:hvc_console_print
netif_change_name:vprintk_emit:dump_stack_lvl:__kmalloc_noprof:put_chars
vprintk_emit:dump_stack_lvl:__kmalloc_noprof:put_chars:hvc_console_print
__irq_exit_rcu:vprintk_emit:dump_stack_lvl:__kmalloc_noprof:put_chars
mark_lock_irq:mark_lock:mark_usage:__lock_acquire:console_trylock_spinning