======================================
| [    8.747482][  T146] softirqs last disabled at (14153): __irq_exit_rcu (kernel/softirq.c:679 kernel/softirq.c:519 kernel/softirq.c:767)
| [    8.747485][  T146] Preemption disabled at:
| [    8.747485][  T146] 0x0
| [    8.747496][  T146] Tainted: [W]=WARN
[    8.747497][  T146] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[    8.747498][  T146] Call Trace:
[    8.747500][  T146]  <TASK>
[    8.747501][  T146]  dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120)
[    8.747507][  T146]  __might_resched.cold (kernel/sched/core.c:9234)
[    8.747512][  T146]  ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3))
[    8.747516][  T146]  ? __kmalloc_noprof (./include/linux/sched/mm.h:317 mm/slub.c:4636 mm/slub.c:4974 mm/slub.c:5413 mm/slub.c:5439)
[    8.747520][  T146]  __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))
[    8.747522][  T146]  ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[    8.747528][  T146]  ? 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)
[    8.747531][  T146]  alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[    8.747535][  T146]  put_chars (drivers/char/virtio_console.c:1176)
[    8.747537][  T146]  ? __send_to_port (drivers/char/virtio_console.c:654)
[    8.747538][  T146]  ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4116 (discriminator 3) kernel/rcu/tree.c:4108 (discriminator 3))
[    8.747542][  T146]  ? validate_chain (kernel/locking/lockdep.c:3817 (discriminator 2) kernel/locking/lockdep.c:3837 (discriminator 2) kernel/locking/lockdep.c:3892 (discriminator 2))
[    8.747547][  T146]  hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2))
[    8.747555][  T146]  ? hvc_write (drivers/tty/hvc/hvc_console.c:501)
[    8.747557][  T146]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[    8.747559][  T146]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[    8.747563][  T146]  console_emit_next_record (kernel/printk/printk.c:3183)
[    8.747567][  T146]  ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20)
[    8.747569][  T146]  ? 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))
[    8.747572][  T146]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[    8.747574][  T146]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[    8.747577][  T146]  console_flush_one_record (kernel/printk/printk.c:3268)
[    8.747582][  T146]  ? console_emit_next_record (kernel/printk/printk.c:3150)
[    8.747584][  T146]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[    8.747589][  T146]  console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420)
[    8.747591][  T146]  ? console_flush_one_record (kernel/printk/printk.c:3316)
[    8.747593][  T146]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[    8.747595][  T146]  ? 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)
[    8.747598][  T146]  ? __down_trylock_console_sem (kernel/printk/printk.c:334)
[    8.747600][  T146]  ? vprintk_emit (kernel/printk/printk.c:2478)
[    8.747603][  T146]  vprintk_emit (kernel/printk/printk.c:2479)
[    8.747606][  T146]  ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126))
[    8.747608][  T146]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[    8.747612][  T146]  _printk (kernel/printk/printk.c:2504)
[    8.747616][  T146]  ? snapshot_read.cold (user.c:?)
[    8.747618][  T146]  ? 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)
[    8.747621][  T146]  ? __rwlock_init (kernel/locking/spinlock_debug.c:48)
[    8.747625][  T146]  ? 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)
[    8.747628][  T146]  do_exit.cold (kernel/exit.c:889 (discriminator 4) kernel/exit.c:1043 (discriminator 4))
[    8.747631][  T146]  ? exit_notify (kernel/exit.c:780)
[    8.747633][  T146]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554)
[    8.747635][  T146]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[    8.747639][  T146]  do_group_exit (kernel/exit.c:1151)
[    8.747641][  T146]  __x64_sys_exit_group (kernel/exit.c:1162 kernel/exit.c:1160 kernel/exit.c:1160)
[    8.747643][  T146]  x64_sys_call (./arch/x86/include/generated/asm/syscalls_64.h:232)
[    8.747646][  T146]  do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84)
[    8.747651][  T146]  ? exc_page_fault (arch/x86/mm/fault.c:1489 (discriminator 3) arch/x86/mm/fault.c:1536 (discriminator 3))
[    8.747654][  T146]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[    8.747657][  T146] RIP: 0033:0x7fcbd54481b8
[    8.747659][  T146] Code: Unable to access opcode bytes at 0x7fcbd544818e.

Code starting with the faulting instruction
===========================================
[    8.747660][  T146] RSP: 002b:00007ffd5d903d48 EFLAGS: 00000246 ORIG_RAX: 00000000000000e7
[    8.747662][  T146] RAX: ffffffffffffffda RBX: 00007fcbd5578f88 RCX: 00007fcbd54481b8
[    8.747664][  T146] RDX: 00007fcbd52a9848 RSI: fffffffffffffec8 RDI: 0000000000000000
[    8.747664][  T146] RBP: 00007ffd5d903da0 R08: 0000000000000000 R09: 0000000000000001
[    8.747665][  T146] R10: 00007ffd5d903bc0 R11: 0000000000000246 R12: 0000000000000002
[    8.747666][  T146] R13: 0000000000000000 R14: 00007fcbd5577680 R15: 00007fcbd5578fa0
| [   10.676608][  T245] softirqs last disabled at (19258): netif_change_name (./include/linux/spinlock.h:353 ./include/linux/seqlock.h:908 net/core/dev.c:1499)
| [   10.676611][  T245] Preemption disabled at:
| [   10.676611][  T245] vprintk_emit (kernel/printk/printk.c:2471)
| [   10.676620][  T245] Tainted: [W]=WARN
[   10.676621][  T245] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   10.676622][  T245] Call Trace:
[   10.676624][  T245]  <TASK>
[   10.676625][  T245]  dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120)
[   10.676631][  T245]  ? vprintk_emit (kernel/printk/printk.c:2471)
[   10.676633][  T245]  __might_resched.cold (kernel/sched/core.c:9234)
[   10.676637][  T245]  ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3))
[   10.676641][  T245]  ? __kmalloc_noprof (./include/linux/sched/mm.h:317 mm/slub.c:4636 mm/slub.c:4974 mm/slub.c:5413 mm/slub.c:5439)
[   10.676646][  T245]  __kmalloc_noprof (./include/linux/sched/mm.h:322 (discriminator 2) mm/slub.c:4636 (discriminator 2) mm/slub.c:4974 (discriminator 2) mm/slub.c:5413 (discriminator 2) mm/slub.c:5439 (discriminator 2))
[   10.676648][  T245]  ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[   10.676657][  T245]  ? do_raw_spin_unlock (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:32 ./include/asm-generic/qspinlock.h:58 kernel/locking/spinlock_debug.c:101 kernel/locking/spinlock_debug.c:141)
[   10.676660][  T245]  alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[   10.676663][  T245]  put_chars (drivers/char/virtio_console.c:1176)
[   10.676666][  T245]  ? __send_to_port (drivers/char/virtio_console.c:654)
[   10.676672][  T245]  hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2))
[   10.676679][  T245]  ? hvc_write (drivers/tty/hvc/hvc_console.c:501)
[   10.676682][  T245]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   10.676687][  T245]  console_emit_next_record (kernel/printk/printk.c:3183)
[   10.676690][  T245]  ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20)
[   10.676692][  T245]  ? console_flush_one_record (./include/linux/rcupdate.h:314 (discriminator 2) ./include/linux/srcu.h:439 (discriminator 2) kernel/printk/printk.c:291 (discriminator 2) kernel/printk/printk.c:3246 (discriminator 2))
[   10.676696][  T245]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   10.676698][  T245]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   10.676702][  T245]  console_flush_one_record (kernel/printk/printk.c:3268)
[   10.676706][  T245]  ? console_emit_next_record (kernel/printk/printk.c:3150)
[   10.676708][  T245]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   10.676713][  T245]  console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420)
[   10.676716][  T245]  ? console_flush_one_record (kernel/printk/printk.c:3316)
[   10.676718][  T245]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   10.676719][  T245]  ? lock_acquire (./include/linux/srcutree.h:374 ./include/linux/srcu.h:541 ./include/linux/srcu.h:645 ./include/trace/events/lock.h:23 ./include/trace/events/lock.h:23 kernel/locking/lockdep.c:5871)
[   10.676723][  T245]  ? __down_trylock_console_sem (kernel/printk/printk.c:334)
[   10.676725][  T245]  ? vprintk_emit (kernel/printk/printk.c:2478)
[   10.676727][  T245]  vprintk_emit (kernel/printk/printk.c:2479)
[   10.676730][  T245]  ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126))
[   10.676732][  T245]  ? save_trace (kernel/locking/lockdep.c:589)
[   10.676737][  T245]  _printk (kernel/printk/printk.c:2504)
[   10.676740][  T245]  ? snapshot_read.cold (user.c:?)
[   10.676743][  T245]  ? validate_chain (kernel/locking/lockdep.c:159 kernel/locking/lockdep.c:191 kernel/locking/lockdep.c:3928)
[   10.676745][  T245]  ? netdev_name (./include/linux/netdevice.h:5709 (discriminator 1))
[   10.676749][  T245]  ? __netdev_printk (net/core/dev.c:13148 (discriminator 2))
[   10.676752][  T245]  ? do_setlink.isra.0 (net/core/rtnetlink.c:3246)
[   10.676754][  T245]  netdev_info (net/core/dev.c:13195 (discriminator 3))
[   10.676756][  T245]  ? netdev_notice (net/core/dev.c:13194)
[   10.676765][  T245]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[   10.676768][  T245]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554)
[   10.676771][  T245]  ? mark_held_locks (kernel/locking/lockdep.c:4341)
[   10.676774][  T245]  ? do_setlink.isra.0 (net/core/rtnetlink.c:3246)
[   10.676776][  T245]  netif_change_name.cold (net/core/dev.c:1507 (discriminator 3))
[   10.676778][  T245]  ? register_netdev (net/core/dev.c:11618)
[   10.676779][  T245]  ? is_bpf_text_address (./include/linux/rcupdate.h:319 (discriminator 2) ./include/linux/rcupdate.h:880 (discriminator 2) kernel/bpf/core.c:751 (discriminator 2))
[   10.676784][  T245]  ? netdev_adjacent_rename_links (net/core/dev.c:9598)
[   10.676787][  T245]  ? __kernel_text_address (kernel/extable.c:79)
[   10.676789][  T245]  ? write_profile (profile.c:?)
[   10.676793][  T245]  ? __asan_memset (mm/kasan/shadow.c:84 (discriminator 1))
[   10.676799][  T245]  do_setlink.isra.0 (net/core/rtnetlink.c:3246)
[   10.676802][  T245]  ? stack_trace_save (kernel/stacktrace.c:122 (discriminator 1))
[   10.676804][  T245]  ? rtnl_link_get_size (net/core/rtnetlink.c:747)
[   10.676805][  T245]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:388 kernel/rcu/update.c:380)
[   10.676808][  T245]  ? stack_depot_save_flags (lib/stackdepot.c:609 (discriminator 2) lib/stackdepot.c:676 (discriminator 2))
[   10.676811][  T245]  ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4116 (discriminator 3) kernel/rcu/tree.c:4108 (discriminator 3))
[   10.676814][  T245]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380)
[   10.676815][  T245]  ? validate_chain (kernel/locking/lockdep.c:3817 (discriminator 2) kernel/locking/lockdep.c:3837 (discriminator 2) kernel/locking/lockdep.c:3892 (discriminator 2))
[   10.676818][  T245]  ? kasan_save_stack (mm/kasan/common.c:58)
[   10.676820][  T245]  ? kasan_save_stack (mm/kasan/common.c:57)
[   10.676821][  T245]  ? kasan_save_track (mm/kasan/common.c:78)
[   10.676822][  T245]  ? __kasan_kmalloc (mm/kasan/common.c:398 mm/kasan/common.c:415)
[   10.676824][  T245]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   10.676826][  T245]  ? snd_ac97_proc_read_main (sound/pci/ac97/ac97_proc.c:320)
[   10.676829][  T245]  ? ___sys_sendmsg (net/socket.c:2758)
[   10.676833][  T245]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2))
[   10.676835][  T245]  ? rtnl_newlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:366 net/core/rtnetlink.c:4214)
[   10.676837][  T245]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   10.676839][  T245]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   10.676840][  T245]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   10.676842][  T245]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   10.676843][  T245]  ? trace_contention_end (./include/trace/events/lock.h:121 (discriminator 22))
[   10.676845][  T245]  ? __mutex_lock (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:3188 kernel/locking/mutex.c:89 kernel/locking/mutex.c:134 kernel/locking/mutex.c:649 kernel/locking/mutex.c:821)
[   10.676848][  T245]  ? __mutex_lock (kernel/locking/mutex.c:656 (discriminator 1) kernel/locking/mutex.c:821 (discriminator 1))
[   10.676850][  T245]  ? rtnl_newlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:366 net/core/rtnetlink.c:4214)
[   10.676853][  T245]  ? ww_mutex_lock (kernel/locking/mutex.c:934)
[   10.676854][  T245]  ? nla_get_range_signed (lib/nlattr.c:270)
[   10.676859][  T245]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   10.676861][  T245]  ? __rtnl_newlink (net/core/rtnetlink.c:4063)
[   10.676866][  T245]  rtnl_newlink (net/core/rtnetlink.c:4215)
[   10.676872][  T245]  ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558)
[   10.676873][  T245]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   10.676878][  T245]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2))
[   10.676880][  T245]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[   10.676882][  T245]  ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558)
[   10.676883][  T245]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554)
[   10.676887][  T245]  ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558)
[   10.676889][  T245]  rtnetlink_rcv_msg (net/core/rtnetlink.c:7132)
[   10.676892][  T245]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   10.676893][  T245]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   10.676898][  T245]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2))
[   10.676900][  T245]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[   10.676903][  T245]  netlink_rcv_skb (net/netlink/af_netlink.c:2556)
[   10.676906][  T245]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   10.676909][  T245]  ? netlink_ack (./include/linux/skbuff.h:2718)
[   10.676915][  T245]  ? netlink_deliver_tap (./include/linux/rcupdate.h:319 (discriminator 2) ./include/linux/rcupdate.h:880 (discriminator 2) ./include/net/netns/generic.h:48 (discriminator 2) net/netlink/af_netlink.c:334 (discriminator 2))
[   10.676917][  T245]  ? netlink_deliver_tap (./include/linux/rcupdate.h:319 (discriminator 2) ./include/linux/rcupdate.h:880 (discriminator 2) net/netlink/af_netlink.c:341 (discriminator 2))
[   10.676921][  T245]  netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[   10.676925][  T245]  ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[   10.676928][  T245]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[   10.676932][  T245]  netlink_sendmsg (net/netlink/af_netlink.c:1900)
[   10.676936][  T245]  ? netlink_unicast (./include/net/net_namespace.h:422 (discriminator 7))
[   10.676939][  T245]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554)
[   10.676941][  T245]  ? __import_iovec (lib/iov_iter.c:1358 lib/iov_iter.c:1373)
[   10.676946][  T245]  __sock_sendmsg (net/socket.c:800 (discriminator 4) net/socket.c:815 (discriminator 4))
[   10.676949][  T245]  ____sys_sendmsg (net/socket.c:2713)
[   10.676951][  T245]  ? copy_msghdr_from_user (net/socket.c:2650)
[   10.676953][  T245]  ? sock_write_iter (net/socket.c:1269)
[   10.676955][  T245]  ? move_addr_to_kernel (net/socket.c:258)
[   10.676962][  T245]  ___sys_sendmsg (net/socket.c:2767)
[   10.676965][  T245]  ? copy_msghdr_from_user (net/socket.c:2619)
[   10.676980][  T245]  __sys_sendmsg (net/socket.c:2799)
[   10.676983][  T245]  ? __sys_sendmsg_sock (net/socket.c:2780)
[   10.676989][  T245]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   10.676992][  T245]  do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84)
[   10.676995][  T245]  ? exc_page_fault (arch/x86/mm/fault.c:1489 (discriminator 3) arch/x86/mm/fault.c:1536 (discriminator 3))
[   10.676998][  T245]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[   10.677000][  T245] RIP: 0033:0x7ff2e671254e
[   10.677003][  T245] Code: 4d 89 d8 e8 b4 bd 00 00 4c 8b 5d f8 41 8b 93 08 03 00 00 59 5e 48 83 f8 fc 74 11 c9 c3 0f 1f 80 00 00 00 00 48 8b 45 10 0f 05 <c9> c3 83 e2 39 83 fa 08 75 e7 e8 03 ff ff ff 0f 1f 00 f3 0f 1e fa
All code
========
   0:	4d 89 d8             	mov    %r11,%r8
   3:	e8 b4 bd 00 00       	call   0xbdbc
   8:	4c 8b 5d f8          	mov    -0x8(%rbp),%r11
   c:	41 8b 93 08 03 00 00 	mov    0x308(%r11),%edx
  13:	59                   	pop    %rcx
  14:	5e                   	pop    %rsi
  15:	48 83 f8 fc          	cmp    $0xfffffffffffffffc,%rax
  19:	74 11                	je     0x2c
  1b:	c9                   	leave
  1c:	c3                   	ret
  1d:	0f 1f 80 00 00 00 00 	nopl   0x0(%rax)
  24:	48 8b 45 10          	mov    0x10(%rbp),%rax
  28:	0f 05                	syscall
  2a:*	c9                   	leave		<-- trapping instruction
  2b:	c3                   	ret
  2c:	83 e2 39             	and    $0x39,%edx
  2f:	83 fa 08             	cmp    $0x8,%edx
  32:	75 e7                	jne    0x1b
  34:	e8 03 ff ff ff       	call   0xffffffffffffff3c
  39:	0f 1f 00             	nopl   (%rax)
  3c:	f3 0f 1e fa          	endbr64

Code starting with the faulting instruction
===========================================
   0:	c9                   	leave
   1:	c3                   	ret
   2:	83 e2 39             	and    $0x39,%edx
   5:	83 fa 08             	cmp    $0x8,%edx
   8:	75 e7                	jne    0xfffffffffffffff1
   a:	e8 03 ff ff ff       	call   0xffffffffffffff12
   f:	0f 1f 00             	nopl   (%rax)
  12:	f3 0f 1e fa          	endbr64
[   10.677005][  T245] RSP: 002b:00007ffd6c935b40 EFLAGS: 00000202 ORIG_RAX: 000000000000002e
[   10.677008][  T245] RAX: ffffffffffffffda RBX: 0000000000000005 RCX: 00007ff2e671254e
[   10.677009][  T245] RDX: 0000000000000000 RSI: 00007ffd6c935bf0 RDI: 0000000000000005
[   10.677010][  T245] RBP: 00007ffd6c935b50 R08: 0000000000000000 R09: 0000000000000000
[   10.677011][  T245] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a90fb43
[   10.677011][  T245] R13: 00000000004a1620 R14: 0000000000000000 R15: 00007ffd6c9362c0
| [   27.286285][  T639] softirqs last disabled at (18426): netif_change_name (./include/linux/spinlock.h:353 ./include/linux/seqlock.h:908 net/core/dev.c:1499)
| [   27.286288][  T639] Preemption disabled at:
| [   27.286288][  T639] vprintk_emit (kernel/printk/printk.c:2471)
| [   27.286296][  T639] Tainted: [W]=WARN
[   27.286297][  T639] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   27.286299][  T639] Call Trace:
[   27.286300][  T639]  <TASK>
[   27.286301][  T639]  dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120)
[   27.286307][  T639]  ? vprintk_emit (kernel/printk/printk.c:2471)
[   27.286309][  T639]  __might_resched.cold (kernel/sched/core.c:9234)
[   27.286313][  T639]  ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3))
[   27.286317][  T639]  ? __kmalloc_noprof (./include/linux/sched/mm.h:317 mm/slub.c:4636 mm/slub.c:4974 mm/slub.c:5413 mm/slub.c:5439)
[   27.286321][  T639]  __kmalloc_noprof (./include/linux/sched/mm.h:322 (discriminator 2) mm/slub.c:4636 (discriminator 2) mm/slub.c:4974 (discriminator 2) mm/slub.c:5413 (discriminator 2) mm/slub.c:5439 (discriminator 2))
[   27.286323][  T639]  ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[   27.286330][  T639]  ? do_raw_spin_unlock (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:32 ./include/asm-generic/qspinlock.h:58 kernel/locking/spinlock_debug.c:101 kernel/locking/spinlock_debug.c:141)
[   27.286332][  T639]  alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[   27.286336][  T639]  put_chars (drivers/char/virtio_console.c:1176)
[   27.286339][  T639]  ? __send_to_port (drivers/char/virtio_console.c:654)
[   27.286345][  T639]  hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2))
[   27.286352][  T639]  ? hvc_write (drivers/tty/hvc/hvc_console.c:501)
[   27.286355][  T639]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   27.286360][  T639]  console_emit_next_record (kernel/printk/printk.c:3183)
[   27.286364][  T639]  ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20)
[   27.286366][  T639]  ? console_flush_one_record (./include/linux/rcupdate.h:314 (discriminator 2) ./include/linux/srcu.h:439 (discriminator 2) kernel/printk/printk.c:291 (discriminator 2) kernel/printk/printk.c:3246 (discriminator 2))
[   27.286369][  T639]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   27.286372][  T639]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   27.286376][  T639]  console_flush_one_record (kernel/printk/printk.c:3268)
[   27.286380][  T639]  ? console_emit_next_record (kernel/printk/printk.c:3150)
[   27.286382][  T639]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   27.286387][  T639]  console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420)
[   27.286390][  T639]  ? console_flush_one_record (kernel/printk/printk.c:3316)
[   27.286391][  T639]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   27.286393][  T639]  ? lock_acquire (./include/linux/srcutree.h:374 ./include/linux/srcu.h:541 ./include/linux/srcu.h:645 ./include/trace/events/lock.h:23 ./include/trace/events/lock.h:23 kernel/locking/lockdep.c:5871)
[   27.286397][  T639]  ? __down_trylock_console_sem (kernel/printk/printk.c:334)
[   27.286398][  T639]  ? vprintk_emit (kernel/printk/printk.c:2478)
[   27.286401][  T639]  vprintk_emit (kernel/printk/printk.c:2479)
[   27.286404][  T639]  ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126))
[   27.286407][  T639]  ? _mutex_trylock_nest_lock (kernel/locking/mutex.c:1227 (discriminator 6))
[   27.286412][  T639]  _printk (kernel/printk/printk.c:2504)
[   27.286415][  T639]  ? snapshot_read.cold (user.c:?)
[   27.286417][  T639]  ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4116 (discriminator 3) kernel/rcu/tree.c:4108 (discriminator 3))
[   27.286420][  T639]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380)
[   27.286422][  T639]  ? validate_chain (kernel/locking/lockdep.c:3817 (discriminator 2) kernel/locking/lockdep.c:3837 (discriminator 2) kernel/locking/lockdep.c:3892 (discriminator 2))
[   27.286424][  T639]  ? netdev_name (./include/linux/netdevice.h:5709 (discriminator 1))
[   27.286428][  T639]  ? __netdev_printk (net/core/dev.c:13148 (discriminator 2))
[   27.286431][  T639]  ? do_setlink.isra.0 (net/core/rtnetlink.c:3246)
[   27.286433][  T639]  netdev_info (net/core/dev.c:13195 (discriminator 3))
[   27.286436][  T639]  ? netdev_notice (net/core/dev.c:13194)
[   27.286439][  T639]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[   27.286442][  T639]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554)
[   27.286444][  T639]  ? mark_held_locks (kernel/locking/lockdep.c:4341)
[   27.286448][  T639]  ? do_setlink.isra.0 (net/core/rtnetlink.c:3246)
[   27.286450][  T639]  netif_change_name.cold (net/core/dev.c:1507 (discriminator 3))
[   27.286451][  T639]  ? register_netdev (net/core/dev.c:11618)
[   27.286453][  T639]  ? is_bpf_text_address (./include/linux/rcupdate.h:319 (discriminator 2) ./include/linux/rcupdate.h:880 (discriminator 2) kernel/bpf/core.c:751 (discriminator 2))
[   27.286458][  T639]  ? netdev_adjacent_rename_links (net/core/dev.c:9598)
[   27.286460][  T639]  ? __kernel_text_address (kernel/extable.c:79)
[   27.286463][  T639]  ? write_profile (profile.c:?)
[   27.286467][  T639]  ? __asan_memset (mm/kasan/shadow.c:84 (discriminator 1))
[   27.286472][  T639]  do_setlink.isra.0 (net/core/rtnetlink.c:3246)
[   27.286476][  T639]  ? stack_trace_save (kernel/stacktrace.c:122 (discriminator 1))
[   27.286478][  T639]  ? rtnl_link_get_size (net/core/rtnetlink.c:747)
[   27.286479][  T639]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:388 kernel/rcu/update.c:380)
[   27.286481][  T639]  ? stack_depot_save_flags (lib/stackdepot.c:609 (discriminator 2) lib/stackdepot.c:676 (discriminator 2))
[   27.286484][  T639]  ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4116 (discriminator 3) kernel/rcu/tree.c:4108 (discriminator 3))
[   27.286486][  T639]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380)
[   27.286487][  T639]  ? validate_chain (kernel/locking/lockdep.c:3817 (discriminator 2) kernel/locking/lockdep.c:3837 (discriminator 2) kernel/locking/lockdep.c:3892 (discriminator 2))
[   27.286490][  T639]  ? kasan_save_stack (mm/kasan/common.c:58)
[   27.286492][  T639]  ? kasan_save_stack (mm/kasan/common.c:57)
[   27.286493][  T639]  ? kasan_save_track (mm/kasan/common.c:78)
[   27.286494][  T639]  ? __kasan_kmalloc (mm/kasan/common.c:398 mm/kasan/common.c:415)
[   27.286496][  T639]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   27.286498][  T639]  ? snd_ac97_proc_read_main (sound/pci/ac97/ac97_proc.c:320)
[   27.286501][  T639]  ? ___sys_sendmsg (net/socket.c:2758)
[   27.286505][  T639]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2))
[   27.286507][  T639]  ? rtnl_newlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:366 net/core/rtnetlink.c:4214)
[   27.286509][  T639]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   27.286511][  T639]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   27.286512][  T639]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   27.286513][  T639]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   27.286515][  T639]  ? trace_contention_end (./include/trace/events/lock.h:121 (discriminator 22))
[   27.286517][  T639]  ? __mutex_lock (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:3188 kernel/locking/mutex.c:89 kernel/locking/mutex.c:134 kernel/locking/mutex.c:649 kernel/locking/mutex.c:821)
[   27.286518][  T639]  ? __mutex_lock (kernel/locking/mutex.c:656 (discriminator 1) kernel/locking/mutex.c:821 (discriminator 1))
[   27.286520][  T639]  ? rtnl_newlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:366 net/core/rtnetlink.c:4214)
[   27.286524][  T639]  ? ww_mutex_lock (kernel/locking/mutex.c:934)
[   27.286525][  T639]  ? nla_get_range_signed (lib/nlattr.c:270)
[   27.286530][  T639]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   27.286532][  T639]  ? __rtnl_newlink (net/core/rtnetlink.c:4063)
[   27.286537][  T639]  rtnl_newlink (net/core/rtnetlink.c:4215)
[   27.286542][  T639]  ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558)
[   27.286544][  T639]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   27.286549][  T639]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2))
[   27.286550][  T639]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[   27.286552][  T639]  ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558)
[   27.286554][  T639]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554)
[   27.286558][  T639]  ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558)
[   27.286560][  T639]  rtnetlink_rcv_msg (net/core/rtnetlink.c:7132)
[   27.286563][  T639]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   27.286564][  T639]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   27.286569][  T639]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2))
[   27.286570][  T639]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[   27.286574][  T639]  netlink_rcv_skb (net/netlink/af_netlink.c:2556)
[   27.286577][  T639]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   27.286580][  T639]  ? netlink_ack (./include/linux/skbuff.h:2718)
[   27.286586][  T639]  ? netlink_deliver_tap (./include/linux/rcupdate.h:319 (discriminator 2) ./include/linux/rcupdate.h:880 (discriminator 2) ./include/net/netns/generic.h:48 (discriminator 2) net/netlink/af_netlink.c:334 (discriminator 2))
[   27.286588][  T639]  ? netlink_deliver_tap (./include/linux/rcupdate.h:319 (discriminator 2) ./include/linux/rcupdate.h:880 (discriminator 2) net/netlink/af_netlink.c:341 (discriminator 2))
[   27.286593][  T639]  netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[   27.286597][  T639]  ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[   27.286599][  T639]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[   27.286603][  T639]  netlink_sendmsg (net/netlink/af_netlink.c:1900)
[   27.286607][  T639]  ? netlink_unicast (./include/net/net_namespace.h:422 (discriminator 7))
[   27.286611][  T639]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554)
[   27.286613][  T639]  ? __import_iovec (lib/iov_iter.c:1358 lib/iov_iter.c:1373)
[   27.286618][  T639]  __sock_sendmsg (net/socket.c:800 (discriminator 4) net/socket.c:815 (discriminator 4))
[   27.286620][  T639]  ____sys_sendmsg (net/socket.c:2713)
[   27.286623][  T639]  ? copy_msghdr_from_user (net/socket.c:2650)
[   27.286625][  T639]  ? sock_write_iter (net/socket.c:1269)
[   27.286626][  T639]  ? move_addr_to_kernel (net/socket.c:258)
[   27.286634][  T639]  ___sys_sendmsg (net/socket.c:2767)
[   27.286636][  T639]  ? copy_msghdr_from_user (net/socket.c:2619)
[   27.286655][  T639]  __sys_sendmsg (net/socket.c:2799)
[   27.286658][  T639]  ? __sys_sendmsg_sock (net/socket.c:2780)
[   27.286664][  T639]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   27.286667][  T639]  do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84)
[   27.286670][  T639]  ? exc_page_fault (arch/x86/mm/fault.c:1489 (discriminator 3) arch/x86/mm/fault.c:1536 (discriminator 3))
[   27.286672][  T639]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[   27.286675][  T639] RIP: 0033:0x7faf7271054e
[   27.286678][  T639] Code: 4d 89 d8 e8 b4 bd 00 00 4c 8b 5d f8 41 8b 93 08 03 00 00 59 5e 48 83 f8 fc 74 11 c9 c3 0f 1f 80 00 00 00 00 48 8b 45 10 0f 05 <c9> c3 83 e2 39 83 fa 08 75 e7 e8 03 ff ff ff 0f 1f 00 f3 0f 1e fa
All code
========
   0:	4d 89 d8             	mov    %r11,%r8
   3:	e8 b4 bd 00 00       	call   0xbdbc
   8:	4c 8b 5d f8          	mov    -0x8(%rbp),%r11
   c:	41 8b 93 08 03 00 00 	mov    0x308(%r11),%edx
  13:	59                   	pop    %rcx
  14:	5e                   	pop    %rsi
  15:	48 83 f8 fc          	cmp    $0xfffffffffffffffc,%rax
  19:	74 11                	je     0x2c
  1b:	c9                   	leave
  1c:	c3                   	ret
  1d:	0f 1f 80 00 00 00 00 	nopl   0x0(%rax)
  24:	48 8b 45 10          	mov    0x10(%rbp),%rax
  28:	0f 05                	syscall
  2a:*	c9                   	leave		<-- trapping instruction
  2b:	c3                   	ret
  2c:	83 e2 39             	and    $0x39,%edx
  2f:	83 fa 08             	cmp    $0x8,%edx
  32:	75 e7                	jne    0x1b
  34:	e8 03 ff ff ff       	call   0xffffffffffffff3c
  39:	0f 1f 00             	nopl   (%rax)
  3c:	f3 0f 1e fa          	endbr64

Code starting with the faulting instruction
===========================================
   0:	c9                   	leave
   1:	c3                   	ret
   2:	83 e2 39             	and    $0x39,%edx
   5:	83 fa 08             	cmp    $0x8,%edx
   8:	75 e7                	jne    0xfffffffffffffff1
   a:	e8 03 ff ff ff       	call   0xffffffffffffff12
   f:	0f 1f 00             	nopl   (%rax)
  12:	f3 0f 1e fa          	endbr64
[   27.286680][  T639] RSP: 002b:00007ffe4a01c610 EFLAGS: 00000202 ORIG_RAX: 000000000000002e
[   27.286683][  T639] RAX: ffffffffffffffda RBX: 0000000000000005 RCX: 00007faf7271054e
[   27.286684][  T639] RDX: 0000000000000000 RSI: 00007ffe4a01c6c0 RDI: 0000000000000005
[   27.286685][  T639] RBP: 00007ffe4a01c620 R08: 0000000000000000 R09: 0000000000000000
[   27.286686][  T639] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a90fb53
[   27.286686][  T639] R13: 00000000004a1620 R14: 0000000000000000 R15: 00007ffe4a01cd90
| [   43.981180][ T1035] softirqs last disabled at (19904): netif_change_name (./include/linux/spinlock.h:353 ./include/linux/seqlock.h:908 net/core/dev.c:1499)
| [   43.981183][ T1035] Preemption disabled at:
| [   43.981183][ T1035] vprintk_emit (kernel/printk/printk.c:2471)
| [   43.981192][ T1035] Tainted: [W]=WARN
[   43.981193][ T1035] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   43.981195][ T1035] Call Trace:
[   43.981196][ T1035]  <TASK>
[   43.981198][ T1035]  dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120)
[   43.981203][ T1035]  ? vprintk_emit (kernel/printk/printk.c:2471)
[   43.981205][ T1035]  __might_resched.cold (kernel/sched/core.c:9234)
[   43.981209][ T1035]  ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3))
[   43.981213][ T1035]  ? __kmalloc_noprof (./include/linux/sched/mm.h:317 mm/slub.c:4636 mm/slub.c:4974 mm/slub.c:5413 mm/slub.c:5439)
[   43.981218][ T1035]  __kmalloc_noprof (./include/linux/sched/mm.h:322 (discriminator 2) mm/slub.c:4636 (discriminator 2) mm/slub.c:4974 (discriminator 2) mm/slub.c:5413 (discriminator 2) mm/slub.c:5439 (discriminator 2))
[   43.981219][ T1035]  ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[   43.981226][ T1035]  ? do_raw_spin_unlock (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:32 ./include/asm-generic/qspinlock.h:58 kernel/locking/spinlock_debug.c:101 kernel/locking/spinlock_debug.c:141)
[   43.981228][ T1035]  alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[   43.981232][ T1035]  put_chars (drivers/char/virtio_console.c:1176)
[   43.981235][ T1035]  ? __send_to_port (drivers/char/virtio_console.c:654)
[   43.981241][ T1035]  hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2))
[   43.981248][ T1035]  ? hvc_write (drivers/tty/hvc/hvc_console.c:501)
[   43.981251][ T1035]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   43.981255][ T1035]  console_emit_next_record (kernel/printk/printk.c:3183)
[   43.981259][ T1035]  ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20)
[   43.981261][ T1035]  ? console_flush_one_record (./include/linux/rcupdate.h:314 (discriminator 2) ./include/linux/srcu.h:439 (discriminator 2) kernel/printk/printk.c:291 (discriminator 2) kernel/printk/printk.c:3246 (discriminator 2))
[   43.981264][ T1035]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   43.981267][ T1035]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   43.981271][ T1035]  console_flush_one_record (kernel/printk/printk.c:3268)
[   43.981275][ T1035]  ? console_emit_next_record (kernel/printk/printk.c:3150)
[   43.981277][ T1035]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   43.981282][ T1035]  console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420)
[   43.981285][ T1035]  ? console_flush_one_record (kernel/printk/printk.c:3316)
[   43.981287][ T1035]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   43.981288][ T1035]  ? lock_acquire (./include/linux/srcutree.h:374 ./include/linux/srcu.h:541 ./include/linux/srcu.h:645 ./include/trace/events/lock.h:23 ./include/trace/events/lock.h:23 kernel/locking/lockdep.c:5871)
[   43.981292][ T1035]  ? __down_trylock_console_sem (kernel/printk/printk.c:334)
[   43.981294][ T1035]  ? vprintk_emit (kernel/printk/printk.c:2478)
[   43.981296][ T1035]  vprintk_emit (kernel/printk/printk.c:2479)
[   43.981299][ T1035]  ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126))
[   43.981302][ T1035]  ? _mutex_trylock_nest_lock (kernel/locking/mutex.c:1227 (discriminator 6))
[   43.981307][ T1035]  _printk (kernel/printk/printk.c:2504)
[   43.981310][ T1035]  ? snapshot_read.cold (user.c:?)
[   43.981312][ T1035]  ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4116 (discriminator 3) kernel/rcu/tree.c:4108 (discriminator 3))
[   43.981314][ T1035]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380)
[   43.981317][ T1035]  ? validate_chain (kernel/locking/lockdep.c:3817 (discriminator 2) kernel/locking/lockdep.c:3837 (discriminator 2) kernel/locking/lockdep.c:3892 (discriminator 2))
[   43.981319][ T1035]  ? netdev_name (./include/linux/netdevice.h:5709 (discriminator 1))
[   43.981323][ T1035]  ? __netdev_printk (net/core/dev.c:13148 (discriminator 2))
[   43.981326][ T1035]  ? do_setlink.isra.0 (net/core/rtnetlink.c:3246)
[   43.981328][ T1035]  netdev_info (net/core/dev.c:13195 (discriminator 3))
[   43.981331][ T1035]  ? netdev_notice (net/core/dev.c:13194)
[   43.981333][ T1035]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[   43.981336][ T1035]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554)
[   43.981339][ T1035]  ? mark_held_locks (kernel/locking/lockdep.c:4341)
[   43.981342][ T1035]  ? do_setlink.isra.0 (net/core/rtnetlink.c:3246)
[   43.981344][ T1035]  netif_change_name.cold (net/core/dev.c:1507 (discriminator 3))
[   43.981346][ T1035]  ? register_netdev (net/core/dev.c:11618)
[   43.981348][ T1035]  ? is_bpf_text_address (./include/linux/rcupdate.h:319 (discriminator 2) ./include/linux/rcupdate.h:880 (discriminator 2) kernel/bpf/core.c:751 (discriminator 2))
[   43.981353][ T1035]  ? netdev_adjacent_rename_links (net/core/dev.c:9598)
[   43.981355][ T1035]  ? __kernel_text_address (kernel/extable.c:79)
[   43.981358][ T1035]  ? write_profile (profile.c:?)
[   43.981362][ T1035]  ? __asan_memset (mm/kasan/shadow.c:84 (discriminator 1))
[   43.981367][ T1035]  do_setlink.isra.0 (net/core/rtnetlink.c:3246)
[   43.981371][ T1035]  ? stack_trace_save (kernel/stacktrace.c:122 (discriminator 1))
[   43.981373][ T1035]  ? rtnl_link_get_size (net/core/rtnetlink.c:747)
[   43.981374][ T1035]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:388 kernel/rcu/update.c:380)
[   43.981376][ T1035]  ? stack_depot_save_flags (lib/stackdepot.c:609 (discriminator 2) lib/stackdepot.c:676 (discriminator 2))
[   43.981379][ T1035]  ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4116 (discriminator 3) kernel/rcu/tree.c:4108 (discriminator 3))
[   43.981381][ T1035]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380)
[   43.981383][ T1035]  ? validate_chain (kernel/locking/lockdep.c:3817 (discriminator 2) kernel/locking/lockdep.c:3837 (discriminator 2) kernel/locking/lockdep.c:3892 (discriminator 2))
[   43.981385][ T1035]  ? kasan_save_stack (mm/kasan/common.c:58)
[   43.981387][ T1035]  ? kasan_save_stack (mm/kasan/common.c:57)
[   43.981388][ T1035]  ? kasan_save_track (mm/kasan/common.c:78)
[   43.981389][ T1035]  ? __kasan_kmalloc (mm/kasan/common.c:398 mm/kasan/common.c:415)
[   43.981391][ T1035]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   43.981393][ T1035]  ? snd_ac97_proc_read_main (sound/pci/ac97/ac97_proc.c:320)
[   43.981396][ T1035]  ? ___sys_sendmsg (net/socket.c:2758)
[   43.981400][ T1035]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2))
[   43.981402][ T1035]  ? rtnl_newlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:366 net/core/rtnetlink.c:4214)
[   43.981405][ T1035]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   43.981406][ T1035]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   43.981408][ T1035]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   43.981409][ T1035]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   43.981410][ T1035]  ? trace_contention_end (./include/trace/events/lock.h:121 (discriminator 22))
[   43.981413][ T1035]  ? __mutex_lock (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:3188 kernel/locking/mutex.c:89 kernel/locking/mutex.c:134 kernel/locking/mutex.c:649 kernel/locking/mutex.c:821)
[   43.981414][ T1035]  ? __mutex_lock (kernel/locking/mutex.c:656 (discriminator 1) kernel/locking/mutex.c:821 (discriminator 1))
[   43.981416][ T1035]  ? rtnl_newlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:366 net/core/rtnetlink.c:4214)
[   43.981419][ T1035]  ? ww_mutex_lock (kernel/locking/mutex.c:934)
[   43.981420][ T1035]  ? nla_get_range_signed (lib/nlattr.c:270)
[   43.981425][ T1035]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   43.981427][ T1035]  ? __rtnl_newlink (net/core/rtnetlink.c:4063)
[   43.981432][ T1035]  rtnl_newlink (net/core/rtnetlink.c:4215)
[   43.981437][ T1035]  ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558)
[   43.981439][ T1035]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   43.981444][ T1035]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2))
[   43.981445][ T1035]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[   43.981447][ T1035]  ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558)
[   43.981449][ T1035]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554)
[   43.981453][ T1035]  ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558)
[   43.981455][ T1035]  rtnetlink_rcv_msg (net/core/rtnetlink.c:7132)
[   43.981458][ T1035]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   43.981459][ T1035]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   43.981464][ T1035]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2))
[   43.981466][ T1035]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[   43.981469][ T1035]  netlink_rcv_skb (net/netlink/af_netlink.c:2556)
[   43.981472][ T1035]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   43.981475][ T1035]  ? netlink_ack (./include/linux/skbuff.h:2718)
[   43.981481][ T1035]  ? netlink_deliver_tap (./include/linux/rcupdate.h:319 (discriminator 2) ./include/linux/rcupdate.h:880 (discriminator 2) ./include/net/netns/generic.h:48 (discriminator 2) net/netlink/af_netlink.c:334 (discriminator 2))
[   43.981483][ T1035]  ? netlink_deliver_tap (./include/linux/rcupdate.h:319 (discriminator 2) ./include/linux/rcupdate.h:880 (discriminator 2) net/netlink/af_netlink.c:341 (discriminator 2))
[   43.981488][ T1035]  netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[   43.981491][ T1035]  ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[   43.981494][ T1035]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[   43.981498][ T1035]  netlink_sendmsg (net/netlink/af_netlink.c:1900)
[   43.981502][ T1035]  ? netlink_unicast (./include/net/net_namespace.h:422 (discriminator 7))
[   43.981506][ T1035]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554)
[   43.981507][ T1035]  ? __import_iovec (lib/iov_iter.c:1358 lib/iov_iter.c:1373)
[   43.981512][ T1035]  __sock_sendmsg (net/socket.c:800 (discriminator 4) net/socket.c:815 (discriminator 4))
[   43.981515][ T1035]  ____sys_sendmsg (net/socket.c:2713)
[   43.981517][ T1035]  ? copy_msghdr_from_user (net/socket.c:2650)
[   43.981519][ T1035]  ? sock_write_iter (net/socket.c:1269)
[   43.981521][ T1035]  ? move_addr_to_kernel (net/socket.c:258)
[   43.981528][ T1035]  ___sys_sendmsg (net/socket.c:2767)
[   43.981531][ T1035]  ? copy_msghdr_from_user (net/socket.c:2619)
[   43.981546][ T1035]  __sys_sendmsg (net/socket.c:2799)
[   43.981549][ T1035]  ? __sys_sendmsg_sock (net/socket.c:2780)
[   43.981555][ T1035]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   43.981558][ T1035]  do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84)
[   43.981561][ T1035]  ? exc_page_fault (arch/x86/mm/fault.c:1489 (discriminator 3) arch/x86/mm/fault.c:1536 (discriminator 3))
[   43.981564][ T1035]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[   43.981566][ T1035] RIP: 0033:0x7f4e7b32054e
[   43.981570][ T1035] Code: 4d 89 d8 e8 b4 bd 00 00 4c 8b 5d f8 41 8b 93 08 03 00 00 59 5e 48 83 f8 fc 74 11 c9 c3 0f 1f 80 00 00 00 00 48 8b 45 10 0f 05 <c9> c3 83 e2 39 83 fa 08 75 e7 e8 03 ff ff ff 0f 1f 00 f3 0f 1e fa
All code
========
   0:	4d 89 d8             	mov    %r11,%r8
   3:	e8 b4 bd 00 00       	call   0xbdbc
   8:	4c 8b 5d f8          	mov    -0x8(%rbp),%r11
   c:	41 8b 93 08 03 00 00 	mov    0x308(%r11),%edx
  13:	59                   	pop    %rcx
  14:	5e                   	pop    %rsi
  15:	48 83 f8 fc          	cmp    $0xfffffffffffffffc,%rax
  19:	74 11                	je     0x2c
  1b:	c9                   	leave
  1c:	c3                   	ret
  1d:	0f 1f 80 00 00 00 00 	nopl   0x0(%rax)
  24:	48 8b 45 10          	mov    0x10(%rbp),%rax
  28:	0f 05                	syscall
  2a:*	c9                   	leave		<-- trapping instruction
  2b:	c3                   	ret
  2c:	83 e2 39             	and    $0x39,%edx
  2f:	83 fa 08             	cmp    $0x8,%edx
  32:	75 e7                	jne    0x1b
  34:	e8 03 ff ff ff       	call   0xffffffffffffff3c
  39:	0f 1f 00             	nopl   (%rax)
  3c:	f3 0f 1e fa          	endbr64

Code starting with the faulting instruction
===========================================
   0:	c9                   	leave
   1:	c3                   	ret
   2:	83 e2 39             	and    $0x39,%edx
   5:	83 fa 08             	cmp    $0x8,%edx
   8:	75 e7                	jne    0xfffffffffffffff1
   a:	e8 03 ff ff ff       	call   0xffffffffffffff12
   f:	0f 1f 00             	nopl   (%rax)
  12:	f3 0f 1e fa          	endbr64
[   43.981571][ T1035] RSP: 002b:00007fff9816a330 EFLAGS: 00000202 ORIG_RAX: 000000000000002e
[   43.981574][ T1035] RAX: ffffffffffffffda RBX: 0000000000000005 RCX: 00007f4e7b32054e
[   43.981575][ T1035] RDX: 0000000000000000 RSI: 00007fff9816a3e0 RDI: 0000000000000005
[   43.981576][ T1035] RBP: 00007fff9816a340 R08: 0000000000000000 R09: 0000000000000000
[   43.981577][ T1035] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a90fb64
[   43.981578][ T1035] R13: 00000000004a1620 R14: 0000000000000000 R15: 00007fff9816aab0
| [   69.931376][ T1428] softirqs last disabled at (32886): netif_change_name (./include/linux/spinlock.h:353 ./include/linux/seqlock.h:908 net/core/dev.c:1499)
| [   69.931378][ T1428] Preemption disabled at:
| [   69.931379][ T1428] vprintk_emit (kernel/printk/printk.c:2471)
| [   69.931388][ T1428] Tainted: [W]=WARN
[   69.931389][ T1428] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   69.931390][ T1428] Call Trace:
[   69.931392][ T1428]  <TASK>
[   69.931394][ T1428]  dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120)
[   69.931399][ T1428]  ? vprintk_emit (kernel/printk/printk.c:2471)
[   69.931401][ T1428]  __might_resched.cold (kernel/sched/core.c:9234)
[   69.931405][ T1428]  ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3))
[   69.931409][ T1428]  ? __kmalloc_noprof (./include/linux/sched/mm.h:317 mm/slub.c:4636 mm/slub.c:4974 mm/slub.c:5413 mm/slub.c:5439)
[   69.931414][ T1428]  __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))
[   69.931416][ T1428]  ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[   69.931422][ T1428]  ? 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)
[   69.931425][ T1428]  alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[   69.931429][ T1428]  put_chars (drivers/char/virtio_console.c:1176)
[   69.931431][ T1428]  ? __send_to_port (drivers/char/virtio_console.c:654)
[   69.931438][ T1428]  hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2))
[   69.931445][ T1428]  ? hvc_write (drivers/tty/hvc/hvc_console.c:501)
[   69.931448][ T1428]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   69.931453][ T1428]  console_emit_next_record (kernel/printk/printk.c:3183)
[   69.931457][ T1428]  ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20)
[   69.931459][ T1428]  ? 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))
[   69.931463][ T1428]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   69.931465][ T1428]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   69.931469][ T1428]  console_flush_one_record (kernel/printk/printk.c:3268)
[   69.931473][ T1428]  ? console_emit_next_record (kernel/printk/printk.c:3150)
[   69.931475][ T1428]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   69.931481][ T1428]  console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420)
[   69.931484][ T1428]  ? console_flush_one_record (kernel/printk/printk.c:3316)
[   69.931486][ T1428]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   69.931487][ T1428]  ? 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)
[   69.931491][ T1428]  ? __down_trylock_console_sem (kernel/printk/printk.c:334)
[   69.931493][ T1428]  ? vprintk_emit (kernel/printk/printk.c:2478)
[   69.931496][ T1428]  vprintk_emit (kernel/printk/printk.c:2479)
[   69.931499][ T1428]  ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126))
[   69.931501][ T1428]  ? _mutex_trylock_nest_lock (kernel/locking/mutex.c:1227 (discriminator 6))
[   69.931506][ T1428]  _printk (kernel/printk/printk.c:2504)
[   69.931510][ T1428]  ? snapshot_read.cold (user.c:?)
[   69.931512][ T1428]  ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4116 (discriminator 3) kernel/rcu/tree.c:4108 (discriminator 3))
[   69.931514][ T1428]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380)
[   69.931517][ T1428]  ? validate_chain (kernel/locking/lockdep.c:3817 (discriminator 2) kernel/locking/lockdep.c:3837 (discriminator 2) kernel/locking/lockdep.c:3892 (discriminator 2))
[   69.931519][ T1428]  ? netdev_name (./include/linux/netdevice.h:5709 (discriminator 1))
[   69.931523][ T1428]  ? __netdev_printk (net/core/dev.c:13148 (discriminator 2))
[   69.931526][ T1428]  ? do_setlink.isra.0 (net/core/rtnetlink.c:3246)
[   69.931528][ T1428]  netdev_info (net/core/dev.c:13195 (discriminator 3))
[   69.931531][ T1428]  ? netdev_notice (net/core/dev.c:13194)
[   69.931534][ T1428]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[   69.931537][ T1428]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554)
[   69.931539][ T1428]  ? mark_held_locks (kernel/locking/lockdep.c:4341)
[   69.931543][ T1428]  ? do_setlink.isra.0 (net/core/rtnetlink.c:3246)
[   69.931545][ T1428]  netif_change_name.cold (net/core/dev.c:1507 (discriminator 3))
[   69.931547][ T1428]  ? register_netdev (net/core/dev.c:11618)
[   69.931548][ T1428]  ? 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))
[   69.931553][ T1428]  ? netdev_adjacent_rename_links (net/core/dev.c:9598)
[   69.931556][ T1428]  ? __kernel_text_address (kernel/extable.c:79)
[   69.931558][ T1428]  ? write_profile (profile.c:?)
[   69.931562][ T1428]  ? __asan_memset (mm/kasan/shadow.c:84 (discriminator 1))
[   69.931568][ T1428]  do_setlink.isra.0 (net/core/rtnetlink.c:3246)
[   69.931572][ T1428]  ? stack_trace_save (kernel/stacktrace.c:122 (discriminator 1))
[   69.931574][ T1428]  ? rtnl_link_get_size (net/core/rtnetlink.c:747)
[   69.931575][ T1428]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:388 kernel/rcu/update.c:380)
[   69.931577][ T1428]  ? stack_depot_save_flags (lib/stackdepot.c:609 (discriminator 2) lib/stackdepot.c:676 (discriminator 2))
[   69.931580][ T1428]  ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4116 (discriminator 3) kernel/rcu/tree.c:4108 (discriminator 3))
[   69.931582][ T1428]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380)
[   69.931584][ T1428]  ? validate_chain (kernel/locking/lockdep.c:3817 (discriminator 2) kernel/locking/lockdep.c:3837 (discriminator 2) kernel/locking/lockdep.c:3892 (discriminator 2))
[   69.931586][ T1428]  ? kasan_save_stack (mm/kasan/common.c:58)
[   69.931588][ T1428]  ? kasan_save_stack (mm/kasan/common.c:57)
[   69.931589][ T1428]  ? kasan_save_track (mm/kasan/common.c:78)
[   69.931591][ T1428]  ? __kasan_kmalloc (mm/kasan/common.c:398 mm/kasan/common.c:415)
[   69.931593][ T1428]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   69.931595][ T1428]  ? snd_ac97_proc_read_main (sound/pci/ac97/ac97_proc.c:320)
[   69.931598][ T1428]  ? ___sys_sendmsg (net/socket.c:2758)
[   69.931602][ T1428]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2))
[   69.931604][ T1428]  ? rtnl_newlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:366 net/core/rtnetlink.c:4214)
[   69.931607][ T1428]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   69.931608][ T1428]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   69.931610][ T1428]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   69.931611][ T1428]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   69.931613][ T1428]  ? trace_contention_end (./include/trace/events/lock.h:121 (discriminator 22))
[   69.931615][ T1428]  ? __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)
[   69.931616][ T1428]  ? __mutex_lock (kernel/locking/mutex.c:656 (discriminator 1) kernel/locking/mutex.c:821 (discriminator 1))
[   69.931618][ T1428]  ? rtnl_newlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:366 net/core/rtnetlink.c:4214)
[   69.931621][ T1428]  ? ww_mutex_lock (kernel/locking/mutex.c:934)
[   69.931623][ T1428]  ? nla_get_range_signed (lib/nlattr.c:270)
[   69.931627][ T1428]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   69.931630][ T1428]  ? __rtnl_newlink (net/core/rtnetlink.c:4063)
[   69.931635][ T1428]  rtnl_newlink (net/core/rtnetlink.c:4215)
[   69.931640][ T1428]  ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558)
[   69.931642][ T1428]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   69.931647][ T1428]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2))
[   69.931651][ T1428]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[   69.931654][ T1428]  ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558)
[   69.931655][ T1428]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554)
[   69.931659][ T1428]  ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558)
[   69.931661][ T1428]  rtnetlink_rcv_msg (net/core/rtnetlink.c:7132)
[   69.931664][ T1428]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   69.931666][ T1428]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   69.931670][ T1428]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2))
[   69.931672][ T1428]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[   69.931676][ T1428]  netlink_rcv_skb (net/netlink/af_netlink.c:2556)
[   69.931679][ T1428]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   69.931682][ T1428]  ? netlink_ack (./include/linux/skbuff.h:2718)
[   69.931688][ T1428]  ? 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))
[   69.931690][ T1428]  ? 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))
[   69.931695][ T1428]  netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[   69.931699][ T1428]  ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[   69.931702][ T1428]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[   69.931706][ T1428]  netlink_sendmsg (net/netlink/af_netlink.c:1900)
[   69.931710][ T1428]  ? netlink_unicast (./include/net/net_namespace.h:422 (discriminator 7))
[   69.931714][ T1428]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554)
[   69.931715][ T1428]  ? __import_iovec (lib/iov_iter.c:1358 lib/iov_iter.c:1373)
[   69.931721][ T1428]  __sock_sendmsg (net/socket.c:800 (discriminator 4) net/socket.c:815 (discriminator 4))
[   69.931724][ T1428]  ____sys_sendmsg (net/socket.c:2713)
[   69.931726][ T1428]  ? copy_msghdr_from_user (net/socket.c:2650)
[   69.931729][ T1428]  ? sock_write_iter (net/socket.c:1269)
[   69.931730][ T1428]  ? move_addr_to_kernel (net/socket.c:258)
[   69.931738][ T1428]  ___sys_sendmsg (net/socket.c:2767)
[   69.931741][ T1428]  ? copy_msghdr_from_user (net/socket.c:2619)
[   69.931757][ T1428]  __sys_sendmsg (net/socket.c:2799)
[   69.931759][ T1428]  ? __sys_sendmsg_sock (net/socket.c:2780)
[   69.931766][ T1428]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   69.931769][ T1428]  do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84)
[   69.931772][ T1428]  ? exc_page_fault (arch/x86/mm/fault.c:1489 (discriminator 3) arch/x86/mm/fault.c:1536 (discriminator 3))
[   69.931775][ T1428]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[   69.931777][ T1428] RIP: 0033:0x7fc4b8d2054e
[   69.931781][ T1428] 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
[   69.931783][ T1428] RSP: 002b:00007ffc0f0349b0 EFLAGS: 00000202 ORIG_RAX: 000000000000002e
[   69.931785][ T1428] RAX: ffffffffffffffda RBX: 0000000000000005 RCX: 00007fc4b8d2054e
[   69.931787][ T1428] RDX: 0000000000000000 RSI: 00007ffc0f034a60 RDI: 0000000000000005
[   69.931788][ T1428] RBP: 00007ffc0f0349c0 R08: 0000000000000000 R09: 0000000000000000
[   69.931789][ T1428] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a90fb7e
[   69.931789][ T1428] R13: 00000000004a1620 R14: 0000000000000000 R15: 00007ffc0f035130
| [   83.988147][ T1836] softirqs last disabled at (25836): netif_change_name (./include/linux/spinlock.h:353 ./include/linux/seqlock.h:908 net/core/dev.c:1499)
| [   83.988149][ T1836] Preemption disabled at:
| [   83.988150][ T1836] vprintk_emit (kernel/printk/printk.c:2471)
| [   83.988158][ T1836] Tainted: [W]=WARN
[   83.988159][ T1836] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   83.988160][ T1836] Call Trace:
[   83.988162][ T1836]  <TASK>
[   83.988163][ T1836]  dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120)
[   83.988169][ T1836]  ? vprintk_emit (kernel/printk/printk.c:2471)
[   83.988170][ T1836]  __might_resched.cold (kernel/sched/core.c:9234)
[   83.988175][ T1836]  ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3))
[   83.988179][ T1836]  ? __kmalloc_noprof (./include/linux/sched/mm.h:317 mm/slub.c:4636 mm/slub.c:4974 mm/slub.c:5413 mm/slub.c:5439)
[   83.988183][ T1836]  __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))
[   83.988185][ T1836]  ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[   83.988192][ T1836]  ? 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)
[   83.988195][ T1836]  alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[   83.988198][ T1836]  put_chars (drivers/char/virtio_console.c:1176)
[   83.988200][ T1836]  ? __send_to_port (drivers/char/virtio_console.c:654)
[   83.988206][ T1836]  hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2))
[   83.988214][ T1836]  ? hvc_write (drivers/tty/hvc/hvc_console.c:501)
[   83.988217][ T1836]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   83.988221][ T1836]  console_emit_next_record (kernel/printk/printk.c:3183)
[   83.988225][ T1836]  ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20)
[   83.988227][ T1836]  ? 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))
[   83.988230][ T1836]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   83.988233][ T1836]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   83.988237][ T1836]  console_flush_one_record (kernel/printk/printk.c:3268)
[   83.988241][ T1836]  ? console_emit_next_record (kernel/printk/printk.c:3150)
[   83.988243][ T1836]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   83.988248][ T1836]  console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420)
[   83.988251][ T1836]  ? console_flush_one_record (kernel/printk/printk.c:3316)
[   83.988253][ T1836]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   83.988254][ T1836]  ? 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)
[   83.988258][ T1836]  ? __down_trylock_console_sem (kernel/printk/printk.c:334)
[   83.988260][ T1836]  ? vprintk_emit (kernel/printk/printk.c:2478)
[   83.988262][ T1836]  vprintk_emit (kernel/printk/printk.c:2479)
[   83.988265][ T1836]  ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126))
[   83.988272][ T1836]  ? _mutex_trylock_nest_lock (kernel/locking/mutex.c:1227 (discriminator 6))
[   83.988277][ T1836]  _printk (kernel/printk/printk.c:2504)
[   83.988281][ T1836]  ? snapshot_read.cold (user.c:?)
[   83.988282][ T1836]  ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4116 (discriminator 3) kernel/rcu/tree.c:4108 (discriminator 3))
[   83.988285][ T1836]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380)
[   83.988288][ T1836]  ? validate_chain (kernel/locking/lockdep.c:3817 (discriminator 2) kernel/locking/lockdep.c:3837 (discriminator 2) kernel/locking/lockdep.c:3892 (discriminator 2))
[   83.988290][ T1836]  ? netdev_name (./include/linux/netdevice.h:5709 (discriminator 1))
[   83.988294][ T1836]  ? __netdev_printk (net/core/dev.c:13148 (discriminator 2))
[   83.988297][ T1836]  ? do_setlink.isra.0 (net/core/rtnetlink.c:3246)
[   83.988299][ T1836]  netdev_info (net/core/dev.c:13195 (discriminator 3))
[   83.988302][ T1836]  ? netdev_notice (net/core/dev.c:13194)
[   83.988305][ T1836]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[   83.988308][ T1836]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554)
[   83.988310][ T1836]  ? mark_held_locks (kernel/locking/lockdep.c:4341)
[   83.988314][ T1836]  ? do_setlink.isra.0 (net/core/rtnetlink.c:3246)
[   83.988316][ T1836]  netif_change_name.cold (net/core/dev.c:1507 (discriminator 3))
[   83.988318][ T1836]  ? register_netdev (net/core/dev.c:11618)
[   83.988319][ T1836]  ? 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))
[   83.988324][ T1836]  ? netdev_adjacent_rename_links (net/core/dev.c:9598)
[   83.988327][ T1836]  ? __kernel_text_address (kernel/extable.c:79)
[   83.988329][ T1836]  ? write_profile (profile.c:?)
[   83.988333][ T1836]  ? __asan_memset (mm/kasan/shadow.c:84 (discriminator 1))
[   83.988339][ T1836]  do_setlink.isra.0 (net/core/rtnetlink.c:3246)
[   83.988343][ T1836]  ? stack_trace_save (kernel/stacktrace.c:122 (discriminator 1))
[   83.988345][ T1836]  ? rtnl_link_get_size (net/core/rtnetlink.c:747)
[   83.988346][ T1836]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:388 kernel/rcu/update.c:380)
[   83.988348][ T1836]  ? stack_depot_save_flags (lib/stackdepot.c:609 (discriminator 2) lib/stackdepot.c:676 (discriminator 2))
[   83.988351][ T1836]  ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4116 (discriminator 3) kernel/rcu/tree.c:4108 (discriminator 3))
[   83.988353][ T1836]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380)
[   83.988355][ T1836]  ? validate_chain (kernel/locking/lockdep.c:3817 (discriminator 2) kernel/locking/lockdep.c:3837 (discriminator 2) kernel/locking/lockdep.c:3892 (discriminator 2))
[   83.988357][ T1836]  ? kasan_save_stack (mm/kasan/common.c:58)
[   83.988359][ T1836]  ? kasan_save_stack (mm/kasan/common.c:57)
[   83.988360][ T1836]  ? kasan_save_track (mm/kasan/common.c:78)
[   83.988361][ T1836]  ? __kasan_kmalloc (mm/kasan/common.c:398 mm/kasan/common.c:415)
[   83.988363][ T1836]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   83.988365][ T1836]  ? snd_ac97_proc_read_main (sound/pci/ac97/ac97_proc.c:320)
[   83.988369][ T1836]  ? ___sys_sendmsg (net/socket.c:2758)
[   83.988372][ T1836]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2))
[   83.988374][ T1836]  ? rtnl_newlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:366 net/core/rtnetlink.c:4214)
[   83.988377][ T1836]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   83.988378][ T1836]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   83.988380][ T1836]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   83.988381][ T1836]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   83.988383][ T1836]  ? trace_contention_end (./include/trace/events/lock.h:121 (discriminator 22))
[   83.988385][ T1836]  ? __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)
[   83.988386][ T1836]  ? __mutex_lock (kernel/locking/mutex.c:656 (discriminator 1) kernel/locking/mutex.c:821 (discriminator 1))
[   83.988388][ T1836]  ? rtnl_newlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:366 net/core/rtnetlink.c:4214)
[   83.988391][ T1836]  ? ww_mutex_lock (kernel/locking/mutex.c:934)
[   83.988392][ T1836]  ? nla_get_range_signed (lib/nlattr.c:270)
[   83.988398][ T1836]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   83.988400][ T1836]  ? __rtnl_newlink (net/core/rtnetlink.c:4063)
[   83.988405][ T1836]  rtnl_newlink (net/core/rtnetlink.c:4215)
[   83.988410][ T1836]  ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558)
[   83.988412][ T1836]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   83.988416][ T1836]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2))
[   83.988418][ T1836]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[   83.988420][ T1836]  ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558)
[   83.988422][ T1836]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554)
[   83.988425][ T1836]  ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558)
[   83.988427][ T1836]  rtnetlink_rcv_msg (net/core/rtnetlink.c:7132)
[   83.988430][ T1836]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   83.988432][ T1836]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   83.988436][ T1836]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2))
[   83.988438][ T1836]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[   83.988441][ T1836]  netlink_rcv_skb (net/netlink/af_netlink.c:2556)
[   83.988444][ T1836]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   83.988447][ T1836]  ? netlink_ack (./include/linux/skbuff.h:2718)
[   83.988454][ T1836]  ? 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))
[   83.988456][ T1836]  ? 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))
[   83.988460][ T1836]  netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[   83.988464][ T1836]  ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[   83.988466][ T1836]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[   83.988470][ T1836]  netlink_sendmsg (net/netlink/af_netlink.c:1900)
[   83.988474][ T1836]  ? netlink_unicast (./include/net/net_namespace.h:422 (discriminator 7))
[   83.988478][ T1836]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554)
[   83.988480][ T1836]  ? __import_iovec (lib/iov_iter.c:1358 lib/iov_iter.c:1373)
[   83.988485][ T1836]  __sock_sendmsg (net/socket.c:800 (discriminator 4) net/socket.c:815 (discriminator 4))
[   83.988488][ T1836]  ____sys_sendmsg (net/socket.c:2713)
[   83.988490][ T1836]  ? copy_msghdr_from_user (net/socket.c:2650)
[   83.988492][ T1836]  ? sock_write_iter (net/socket.c:1269)
[   83.988494][ T1836]  ? move_addr_to_kernel (net/socket.c:258)
[   83.988501][ T1836]  ___sys_sendmsg (net/socket.c:2767)
[   83.988503][ T1836]  ? copy_msghdr_from_user (net/socket.c:2619)
[   83.988519][ T1836]  __sys_sendmsg (net/socket.c:2799)
[   83.988522][ T1836]  ? __sys_sendmsg_sock (net/socket.c:2780)
[   83.988528][ T1836]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   83.988531][ T1836]  do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84)
[   83.988534][ T1836]  ? exc_page_fault (arch/x86/mm/fault.c:1489 (discriminator 3) arch/x86/mm/fault.c:1536 (discriminator 3))
[   83.988537][ T1836]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[   83.988539][ T1836] RIP: 0033:0x7f4dbab6554e
[   83.988542][ T1836] 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
[   83.988544][ T1836] RSP: 002b:00007ffe83654a80 EFLAGS: 00000202 ORIG_RAX: 000000000000002e
[   83.988547][ T1836] RAX: ffffffffffffffda RBX: 0000000000000005 RCX: 00007f4dbab6554e
[   83.988548][ T1836] RDX: 0000000000000000 RSI: 00007ffe83654b30 RDI: 0000000000000005
[   83.988549][ T1836] RBP: 00007ffe83654a90 R08: 0000000000000000 R09: 0000000000000000
[   83.988550][ T1836] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a90fb8c
[   83.988551][ T1836] R13: 00000000004a1620 R14: 0000000000000000 R15: 00007ffe83655200
| [   97.453130][ T2245] softirqs last disabled at (19298): netif_change_name (./include/linux/spinlock.h:353 ./include/linux/seqlock.h:908 net/core/dev.c:1499)
| [   97.453133][ T2245] Preemption disabled at:
| [   97.453133][ T2245] vprintk_emit (kernel/printk/printk.c:2471)
| [   97.453142][ T2245] Tainted: [W]=WARN
[   97.453142][ T2245] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   97.453144][ T2245] Call Trace:
[   97.453145][ T2245]  <TASK>
[   97.453147][ T2245]  dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120)
[   97.453153][ T2245]  ? vprintk_emit (kernel/printk/printk.c:2471)
[   97.453155][ T2245]  __might_resched.cold (kernel/sched/core.c:9234)
[   97.453159][ T2245]  ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3))
[   97.453163][ T2245]  ? __kmalloc_noprof (./include/linux/sched/mm.h:317 mm/slub.c:4636 mm/slub.c:4974 mm/slub.c:5413 mm/slub.c:5439)
[   97.453167][ T2245]  __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))
[   97.453169][ T2245]  ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[   97.453176][ T2245]  ? 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)
[   97.453179][ T2245]  alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[   97.453182][ T2245]  put_chars (drivers/char/virtio_console.c:1176)
[   97.453185][ T2245]  ? __send_to_port (drivers/char/virtio_console.c:654)
[   97.453191][ T2245]  hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2))
[   97.453198][ T2245]  ? hvc_write (drivers/tty/hvc/hvc_console.c:501)
[   97.453201][ T2245]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   97.453206][ T2245]  console_emit_next_record (kernel/printk/printk.c:3183)
[   97.453210][ T2245]  ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20)
[   97.453212][ T2245]  ? 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))
[   97.453215][ T2245]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   97.453218][ T2245]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   97.453221][ T2245]  console_flush_one_record (kernel/printk/printk.c:3268)
[   97.453225][ T2245]  ? console_emit_next_record (kernel/printk/printk.c:3150)
[   97.453227][ T2245]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   97.453233][ T2245]  console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420)
[   97.453235][ T2245]  ? console_flush_one_record (kernel/printk/printk.c:3316)
[   97.453237][ T2245]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   97.453239][ T2245]  ? 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)
[   97.453242][ T2245]  ? __down_trylock_console_sem (kernel/printk/printk.c:334)
[   97.453244][ T2245]  ? vprintk_emit (kernel/printk/printk.c:2478)
[   97.453247][ T2245]  vprintk_emit (kernel/printk/printk.c:2479)
[   97.453250][ T2245]  ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126))
[   97.453253][ T2245]  ? _mutex_trylock_nest_lock (kernel/locking/mutex.c:1227 (discriminator 6))
[   97.453258][ T2245]  _printk (kernel/printk/printk.c:2504)
[   97.453261][ T2245]  ? snapshot_read.cold (user.c:?)
[   97.453263][ T2245]  ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4116 (discriminator 3) kernel/rcu/tree.c:4108 (discriminator 3))
[   97.453265][ T2245]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380)
[   97.453268][ T2245]  ? validate_chain (kernel/locking/lockdep.c:3817 (discriminator 2) kernel/locking/lockdep.c:3837 (discriminator 2) kernel/locking/lockdep.c:3892 (discriminator 2))
[   97.453270][ T2245]  ? netdev_name (./include/linux/netdevice.h:5709 (discriminator 1))
[   97.453274][ T2245]  ? __netdev_printk (net/core/dev.c:13148 (discriminator 2))
[   97.453277][ T2245]  ? do_setlink.isra.0 (net/core/rtnetlink.c:3246)
[   97.453279][ T2245]  netdev_info (net/core/dev.c:13195 (discriminator 3))
[   97.453282][ T2245]  ? netdev_notice (net/core/dev.c:13194)
[   97.453284][ T2245]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[   97.453287][ T2245]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554)
[   97.453290][ T2245]  ? mark_held_locks (kernel/locking/lockdep.c:4341)
[   97.453293][ T2245]  ? do_setlink.isra.0 (net/core/rtnetlink.c:3246)
[   97.453295][ T2245]  netif_change_name.cold (net/core/dev.c:1507 (discriminator 3))
[   97.453297][ T2245]  ? register_netdev (net/core/dev.c:11618)
[   97.453299][ T2245]  ? 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))
[   97.453304][ T2245]  ? netdev_adjacent_rename_links (net/core/dev.c:9598)
[   97.453306][ T2245]  ? __kernel_text_address (kernel/extable.c:79)
[   97.453309][ T2245]  ? write_profile (profile.c:?)
[   97.453312][ T2245]  ? __asan_memset (mm/kasan/shadow.c:84 (discriminator 1))
[   97.453318][ T2245]  do_setlink.isra.0 (net/core/rtnetlink.c:3246)
[   97.453322][ T2245]  ? stack_trace_save (kernel/stacktrace.c:122 (discriminator 1))
[   97.453324][ T2245]  ? rtnl_link_get_size (net/core/rtnetlink.c:747)
[   97.453325][ T2245]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:388 kernel/rcu/update.c:380)
[   97.453327][ T2245]  ? stack_depot_save_flags (lib/stackdepot.c:609 (discriminator 2) lib/stackdepot.c:676 (discriminator 2))
[   97.453330][ T2245]  ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4116 (discriminator 3) kernel/rcu/tree.c:4108 (discriminator 3))
[   97.453332][ T2245]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380)
[   97.453334][ T2245]  ? validate_chain (kernel/locking/lockdep.c:3817 (discriminator 2) kernel/locking/lockdep.c:3837 (discriminator 2) kernel/locking/lockdep.c:3892 (discriminator 2))
[   97.453336][ T2245]  ? kasan_save_stack (mm/kasan/common.c:58)
[   97.453338][ T2245]  ? kasan_save_stack (mm/kasan/common.c:57)
[   97.453339][ T2245]  ? kasan_save_track (mm/kasan/common.c:78)
[   97.453340][ T2245]  ? __kasan_kmalloc (mm/kasan/common.c:398 mm/kasan/common.c:415)
[   97.453343][ T2245]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   97.453344][ T2245]  ? snd_ac97_proc_read_main (sound/pci/ac97/ac97_proc.c:320)
[   97.453347][ T2245]  ? ___sys_sendmsg (net/socket.c:2758)
[   97.453351][ T2245]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2))
[   97.453353][ T2245]  ? rtnl_newlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:366 net/core/rtnetlink.c:4214)
[   97.453356][ T2245]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   97.453358][ T2245]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   97.453359][ T2245]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   97.453360][ T2245]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   97.453366][ T2245]  ? trace_contention_end (./include/trace/events/lock.h:121 (discriminator 22))
[   97.453368][ T2245]  ? __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)
[   97.453369][ T2245]  ? __mutex_lock (kernel/locking/mutex.c:656 (discriminator 1) kernel/locking/mutex.c:821 (discriminator 1))
[   97.453371][ T2245]  ? rtnl_newlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:366 net/core/rtnetlink.c:4214)
[   97.453374][ T2245]  ? ww_mutex_lock (kernel/locking/mutex.c:934)
[   97.453376][ T2245]  ? nla_get_range_signed (lib/nlattr.c:270)
[   97.453380][ T2245]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   97.453383][ T2245]  ? __rtnl_newlink (net/core/rtnetlink.c:4063)
[   97.453388][ T2245]  rtnl_newlink (net/core/rtnetlink.c:4215)
[   97.453393][ T2245]  ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558)
[   97.453395][ T2245]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   97.453399][ T2245]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2))
[   97.453401][ T2245]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[   97.453403][ T2245]  ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558)
[   97.453405][ T2245]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554)
[   97.453409][ T2245]  ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558)
[   97.453411][ T2245]  rtnetlink_rcv_msg (net/core/rtnetlink.c:7132)
[   97.453414][ T2245]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   97.453415][ T2245]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   97.453419][ T2245]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2))
[   97.453421][ T2245]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[   97.453425][ T2245]  netlink_rcv_skb (net/netlink/af_netlink.c:2556)
[   97.453428][ T2245]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   97.453431][ T2245]  ? netlink_ack (./include/linux/skbuff.h:2718)
[   97.453437][ T2245]  ? 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))
[   97.453439][ T2245]  ? 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))
[   97.453443][ T2245]  netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[   97.453447][ T2245]  ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[   97.453450][ T2245]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[   97.453454][ T2245]  netlink_sendmsg (net/netlink/af_netlink.c:1900)
[   97.453458][ T2245]  ? netlink_unicast (./include/net/net_namespace.h:422 (discriminator 7))
[   97.453462][ T2245]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554)
[   97.453463][ T2245]  ? __import_iovec (lib/iov_iter.c:1358 lib/iov_iter.c:1373)
[   97.453469][ T2245]  __sock_sendmsg (net/socket.c:800 (discriminator 4) net/socket.c:815 (discriminator 4))
[   97.453471][ T2245]  ____sys_sendmsg (net/socket.c:2713)
[   97.453474][ T2245]  ? copy_msghdr_from_user (net/socket.c:2650)
[   97.453476][ T2245]  ? sock_write_iter (net/socket.c:1269)
[   97.453477][ T2245]  ? move_addr_to_kernel (net/socket.c:258)
[   97.453485][ T2245]  ___sys_sendmsg (net/socket.c:2767)
[   97.453487][ T2245]  ? copy_msghdr_from_user (net/socket.c:2619)
[   97.453503][ T2245]  __sys_sendmsg (net/socket.c:2799)
[   97.453506][ T2245]  ? __sys_sendmsg_sock (net/socket.c:2780)
[   97.453512][ T2245]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   97.453515][ T2245]  do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84)
[   97.453518][ T2245]  ? exc_page_fault (arch/x86/mm/fault.c:1489 (discriminator 3) arch/x86/mm/fault.c:1536 (discriminator 3))
[   97.453521][ T2245]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[   97.453523][ T2245] RIP: 0033:0x7faa3168754e
[   97.453527][ T2245] 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
[   97.453528][ T2245] RSP: 002b:00007ffff890ebf0 EFLAGS: 00000202 ORIG_RAX: 000000000000002e
[   97.453531][ T2245] RAX: ffffffffffffffda RBX: 0000000000000005 RCX: 00007faa3168754e
[   97.453532][ T2245] RDX: 0000000000000000 RSI: 00007ffff890eca0 RDI: 0000000000000005
[   97.453533][ T2245] RBP: 00007ffff890ec00 R08: 0000000000000000 R09: 0000000000000000
[   97.453534][ T2245] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a90fb99
[   97.453535][ T2245] R13: 00000000004a1620 R14: 0000000000000000 R15: 00007ffff890f370
| [  219.390283][ T3722] softirqs last disabled at (21684): netif_change_name (./include/linux/spinlock.h:353 ./include/linux/seqlock.h:908 net/core/dev.c:1499)
| [  219.390286][ T3722] Preemption disabled at:
| [  219.390287][ T3722] vprintk_emit (kernel/printk/printk.c:2471)
| [  219.390295][ T3722] Tainted: [W]=WARN
[  219.390296][ T3722] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[  219.390297][ T3722] Call Trace:
[  219.390299][ T3722]  <TASK>
[  219.390300][ T3722]  dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120)
[  219.390306][ T3722]  ? vprintk_emit (kernel/printk/printk.c:2471)
[  219.390308][ T3722]  __might_resched.cold (kernel/sched/core.c:9234)
[  219.390312][ T3722]  ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3))
[  219.390316][ T3722]  ? __kmalloc_noprof (./include/linux/sched/mm.h:317 mm/slub.c:4636 mm/slub.c:4974 mm/slub.c:5413 mm/slub.c:5439)
[  219.390321][ T3722]  __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))
[  219.390322][ T3722]  ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[  219.390329][ T3722]  ? 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)
[  219.390332][ T3722]  alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[  219.390335][ T3722]  put_chars (drivers/char/virtio_console.c:1176)
[  219.390338][ T3722]  ? __send_to_port (drivers/char/virtio_console.c:654)
[  219.390344][ T3722]  hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2))
[  219.390352][ T3722]  ? hvc_write (drivers/tty/hvc/hvc_console.c:501)
[  219.390355][ T3722]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  219.390359][ T3722]  console_emit_next_record (kernel/printk/printk.c:3183)
[  219.390363][ T3722]  ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20)
[  219.390365][ T3722]  ? 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))
[  219.390368][ T3722]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  219.390371][ T3722]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  219.390375][ T3722]  console_flush_one_record (kernel/printk/printk.c:3268)
[  219.390379][ T3722]  ? console_emit_next_record (kernel/printk/printk.c:3150)
[  219.390381][ T3722]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[  219.390386][ T3722]  console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420)
[  219.390389][ T3722]  ? console_flush_one_record (kernel/printk/printk.c:3316)
[  219.390391][ T3722]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  219.390393][ T3722]  ? 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)
[  219.390396][ T3722]  ? __down_trylock_console_sem (kernel/printk/printk.c:334)
[  219.390398][ T3722]  ? vprintk_emit (kernel/printk/printk.c:2478)
[  219.390401][ T3722]  vprintk_emit (kernel/printk/printk.c:2479)
[  219.390404][ T3722]  ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126))
[  219.390406][ T3722]  ? _mutex_trylock_nest_lock (kernel/locking/mutex.c:1227 (discriminator 6))
[  219.390412][ T3722]  _printk (kernel/printk/printk.c:2504)
[  219.390415][ T3722]  ? snapshot_read.cold (user.c:?)
[  219.390417][ T3722]  ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4116 (discriminator 3) kernel/rcu/tree.c:4108 (discriminator 3))
[  219.390419][ T3722]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380)
[  219.390422][ T3722]  ? validate_chain (kernel/locking/lockdep.c:3817 (discriminator 2) kernel/locking/lockdep.c:3837 (discriminator 2) kernel/locking/lockdep.c:3892 (discriminator 2))
[  219.390424][ T3722]  ? netdev_name (./include/linux/netdevice.h:5709 (discriminator 1))
[  219.390428][ T3722]  ? __netdev_printk (net/core/dev.c:13148 (discriminator 2))
[  219.390431][ T3722]  ? do_setlink.isra.0 (net/core/rtnetlink.c:3246)
[  219.390433][ T3722]  netdev_info (net/core/dev.c:13195 (discriminator 3))
[  219.390436][ T3722]  ? netdev_notice (net/core/dev.c:13194)
[  219.390439][ T3722]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[  219.390442][ T3722]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554)
[  219.390444][ T3722]  ? mark_held_locks (kernel/locking/lockdep.c:4341)
[  219.390448][ T3722]  ? do_setlink.isra.0 (net/core/rtnetlink.c:3246)
[  219.390450][ T3722]  netif_change_name.cold (net/core/dev.c:1507 (discriminator 3))
[  219.390452][ T3722]  ? register_netdev (net/core/dev.c:11618)
[  219.390453][ T3722]  ? 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))
[  219.390459][ T3722]  ? netdev_adjacent_rename_links (net/core/dev.c:9598)
[  219.390461][ T3722]  ? __kernel_text_address (kernel/extable.c:79)
[  219.390463][ T3722]  ? write_profile (profile.c:?)
[  219.390467][ T3722]  ? __asan_memset (mm/kasan/shadow.c:84 (discriminator 1))
[  219.390473][ T3722]  do_setlink.isra.0 (net/core/rtnetlink.c:3246)
[  219.390476][ T3722]  ? stack_trace_save (kernel/stacktrace.c:122 (discriminator 1))
[  219.390478][ T3722]  ? rtnl_link_get_size (net/core/rtnetlink.c:747)
[  219.390480][ T3722]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:388 kernel/rcu/update.c:380)
[  219.390481][ T3722]  ? stack_depot_save_flags (lib/stackdepot.c:609 (discriminator 2) lib/stackdepot.c:676 (discriminator 2))
[  219.390485][ T3722]  ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4116 (discriminator 3) kernel/rcu/tree.c:4108 (discriminator 3))
[  219.390487][ T3722]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380)
[  219.390488][ T3722]  ? validate_chain (kernel/locking/lockdep.c:3817 (discriminator 2) kernel/locking/lockdep.c:3837 (discriminator 2) kernel/locking/lockdep.c:3892 (discriminator 2))
[  219.390491][ T3722]  ? kasan_save_stack (mm/kasan/common.c:58)
[  219.390492][ T3722]  ? kasan_save_stack (mm/kasan/common.c:57)
[  219.390494][ T3722]  ? kasan_save_track (mm/kasan/common.c:78)
[  219.390495][ T3722]  ? __kasan_kmalloc (mm/kasan/common.c:398 mm/kasan/common.c:415)
[  219.390497][ T3722]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[  219.390499][ T3722]  ? snd_ac97_proc_read_main (sound/pci/ac97/ac97_proc.c:320)
[  219.390502][ T3722]  ? ___sys_sendmsg (net/socket.c:2758)
[  219.390506][ T3722]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2))
[  219.390508][ T3722]  ? rtnl_newlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:366 net/core/rtnetlink.c:4214)
[  219.390510][ T3722]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  219.390512][ T3722]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  219.390513][ T3722]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  219.390514][ T3722]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  219.390516][ T3722]  ? trace_contention_end (./include/trace/events/lock.h:121 (discriminator 22))
[  219.390518][ T3722]  ? __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)
[  219.390519][ T3722]  ? __mutex_lock (kernel/locking/mutex.c:656 (discriminator 1) kernel/locking/mutex.c:821 (discriminator 1))
[  219.390521][ T3722]  ? rtnl_newlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:366 net/core/rtnetlink.c:4214)
[  219.390524][ T3722]  ? ww_mutex_lock (kernel/locking/mutex.c:934)
[  219.390526][ T3722]  ? nla_get_range_signed (lib/nlattr.c:270)
[  219.390530][ T3722]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  219.390533][ T3722]  ? __rtnl_newlink (net/core/rtnetlink.c:4063)
[  219.390538][ T3722]  rtnl_newlink (net/core/rtnetlink.c:4215)
[  219.390543][ T3722]  ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558)
[  219.390545][ T3722]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[  219.390549][ T3722]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2))
[  219.390551][ T3722]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[  219.390553][ T3722]  ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558)
[  219.390555][ T3722]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554)
[  219.390558][ T3722]  ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558)
[  219.390560][ T3722]  rtnetlink_rcv_msg (net/core/rtnetlink.c:7132)
[  219.390563][ T3722]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[  219.390564][ T3722]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[  219.390569][ T3722]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2))
[  219.390571][ T3722]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[  219.390574][ T3722]  netlink_rcv_skb (net/netlink/af_netlink.c:2556)
[  219.390577][ T3722]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[  219.390580][ T3722]  ? netlink_ack (./include/linux/skbuff.h:2718)
[  219.390586][ T3722]  ? 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))
[  219.390588][ T3722]  ? 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))
[  219.390593][ T3722]  netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[  219.390597][ T3722]  ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[  219.390599][ T3722]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[  219.390603][ T3722]  netlink_sendmsg (net/netlink/af_netlink.c:1900)
[  219.390607][ T3722]  ? netlink_unicast (./include/net/net_namespace.h:422 (discriminator 7))
[  219.390611][ T3722]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554)
[  219.390612][ T3722]  ? __import_iovec (lib/iov_iter.c:1358 lib/iov_iter.c:1373)
[  219.390618][ T3722]  __sock_sendmsg (net/socket.c:800 (discriminator 4) net/socket.c:815 (discriminator 4))
[  219.390621][ T3722]  ____sys_sendmsg (net/socket.c:2713)
[  219.390623][ T3722]  ? copy_msghdr_from_user (net/socket.c:2650)
[  219.390625][ T3722]  ? sock_write_iter (net/socket.c:1269)
[  219.390627][ T3722]  ? move_addr_to_kernel (net/socket.c:258)
[  219.390634][ T3722]  ___sys_sendmsg (net/socket.c:2767)
[  219.390636][ T3722]  ? copy_msghdr_from_user (net/socket.c:2619)
[  219.390655][ T3722]  __sys_sendmsg (net/socket.c:2799)
[  219.390658][ T3722]  ? __sys_sendmsg_sock (net/socket.c:2780)
[  219.390664][ T3722]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  219.390667][ T3722]  do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84)
[  219.390670][ T3722]  ? exc_page_fault (arch/x86/mm/fault.c:1489 (discriminator 3) arch/x86/mm/fault.c:1536 (discriminator 3))
[  219.390673][ T3722]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[  219.390675][ T3722] RIP: 0033:0x7f981facb54e
[  219.390678][ T3722] 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
[  219.390680][ T3722] RSP: 002b:00007ffca25460c0 EFLAGS: 00000202 ORIG_RAX: 000000000000002e
[  219.390683][ T3722] RAX: ffffffffffffffda RBX: 0000000000000005 RCX: 00007f981facb54e
[  219.390684][ T3722] RDX: 0000000000000000 RSI: 00007ffca2546170 RDI: 0000000000000005
[  219.390685][ T3722] RBP: 00007ffca25460d0 R08: 0000000000000000 R09: 0000000000000000
[  219.390686][ T3722] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a90fc13
[  219.390687][ T3722] R13: 00000000004a1620 R14: 0000000000000000 R15: 00007ffca2546840
| [  226.222617][ T3939] softirqs last disabled at (17532): netif_change_name (./include/linux/spinlock.h:353 ./include/linux/seqlock.h:908 net/core/dev.c:1499)
| [  226.222620][ T3939] Preemption disabled at:
| [  226.222620][ T3939] vprintk_emit (kernel/printk/printk.c:2471)
| [  226.222629][ T3939] Tainted: [W]=WARN
[  226.222630][ T3939] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[  226.222631][ T3939] Call Trace:
[  226.222633][ T3939]  <TASK>
[  226.222635][ T3939]  dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120)
[  226.222640][ T3939]  ? vprintk_emit (kernel/printk/printk.c:2471)
[  226.222642][ T3939]  __might_resched.cold (kernel/sched/core.c:9234)
[  226.222646][ T3939]  ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3))
[  226.222653][ T3939]  ? __kmalloc_noprof (./include/linux/sched/mm.h:317 mm/slub.c:4636 mm/slub.c:4974 mm/slub.c:5413 mm/slub.c:5439)
[  226.222658][ T3939]  __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))
[  226.222660][ T3939]  ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[  226.222666][ T3939]  ? 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)
[  226.222669][ T3939]  alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[  226.222673][ T3939]  put_chars (drivers/char/virtio_console.c:1176)
[  226.222675][ T3939]  ? __send_to_port (drivers/char/virtio_console.c:654)
[  226.222681][ T3939]  hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2))
[  226.222689][ T3939]  ? hvc_write (drivers/tty/hvc/hvc_console.c:501)
[  226.222692][ T3939]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  226.222697][ T3939]  console_emit_next_record (kernel/printk/printk.c:3183)
[  226.222701][ T3939]  ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20)
[  226.222703][ T3939]  ? 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))
[  226.222706][ T3939]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  226.222708][ T3939]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  226.222712][ T3939]  console_flush_one_record (kernel/printk/printk.c:3268)
[  226.222716][ T3939]  ? console_emit_next_record (kernel/printk/printk.c:3150)
[  226.222718][ T3939]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[  226.222724][ T3939]  console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420)
[  226.222726][ T3939]  ? console_flush_one_record (kernel/printk/printk.c:3316)
[  226.222728][ T3939]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  226.222730][ T3939]  ? 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)
[  226.222734][ T3939]  ? __down_trylock_console_sem (kernel/printk/printk.c:334)
[  226.222735][ T3939]  ? vprintk_emit (kernel/printk/printk.c:2478)
[  226.222738][ T3939]  vprintk_emit (kernel/printk/printk.c:2479)
[  226.222741][ T3939]  ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126))
[  226.222743][ T3939]  ? _mutex_trylock_nest_lock (kernel/locking/mutex.c:1227 (discriminator 6))
[  226.222749][ T3939]  _printk (kernel/printk/printk.c:2504)
[  226.222752][ T3939]  ? snapshot_read.cold (user.c:?)
[  226.222754][ T3939]  ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4116 (discriminator 3) kernel/rcu/tree.c:4108 (discriminator 3))
[  226.222756][ T3939]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380)
[  226.222759][ T3939]  ? validate_chain (kernel/locking/lockdep.c:3817 (discriminator 2) kernel/locking/lockdep.c:3837 (discriminator 2) kernel/locking/lockdep.c:3892 (discriminator 2))
[  226.222761][ T3939]  ? netdev_name (./include/linux/netdevice.h:5709 (discriminator 1))
[  226.222765][ T3939]  ? __netdev_printk (net/core/dev.c:13148 (discriminator 2))
[  226.222767][ T3939]  ? do_setlink.isra.0 (net/core/rtnetlink.c:3246)
[  226.222770][ T3939]  netdev_info (net/core/dev.c:13195 (discriminator 3))
[  226.222772][ T3939]  ? netdev_notice (net/core/dev.c:13194)
[  226.222775][ T3939]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[  226.222778][ T3939]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554)
[  226.222781][ T3939]  ? mark_held_locks (kernel/locking/lockdep.c:4341)
[  226.222784][ T3939]  ? do_setlink.isra.0 (net/core/rtnetlink.c:3246)
[  226.222786][ T3939]  netif_change_name.cold (net/core/dev.c:1507 (discriminator 3))
[  226.222788][ T3939]  ? register_netdev (net/core/dev.c:11618)
[  226.222790][ T3939]  ? 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))
[  226.222795][ T3939]  ? netdev_adjacent_rename_links (net/core/dev.c:9598)
[  226.222797][ T3939]  ? __kernel_text_address (kernel/extable.c:79)
[  226.222800][ T3939]  ? write_profile (profile.c:?)
[  226.222803][ T3939]  ? __asan_memset (mm/kasan/shadow.c:84 (discriminator 1))
[  226.222809][ T3939]  do_setlink.isra.0 (net/core/rtnetlink.c:3246)
[  226.222813][ T3939]  ? stack_trace_save (kernel/stacktrace.c:122 (discriminator 1))
[  226.222815][ T3939]  ? rtnl_link_get_size (net/core/rtnetlink.c:747)
[  226.222816][ T3939]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:388 kernel/rcu/update.c:380)
[  226.222818][ T3939]  ? stack_depot_save_flags (lib/stackdepot.c:609 (discriminator 2) lib/stackdepot.c:676 (discriminator 2))
[  226.222821][ T3939]  ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4116 (discriminator 3) kernel/rcu/tree.c:4108 (discriminator 3))
[  226.222823][ T3939]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380)
[  226.222825][ T3939]  ? validate_chain (kernel/locking/lockdep.c:3817 (discriminator 2) kernel/locking/lockdep.c:3837 (discriminator 2) kernel/locking/lockdep.c:3892 (discriminator 2))
[  226.222827][ T3939]  ? kasan_save_stack (mm/kasan/common.c:58)
[  226.222829][ T3939]  ? kasan_save_stack (mm/kasan/common.c:57)
[  226.222830][ T3939]  ? kasan_save_track (mm/kasan/common.c:78)
[  226.222832][ T3939]  ? __kasan_kmalloc (mm/kasan/common.c:398 mm/kasan/common.c:415)
[  226.222834][ T3939]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[  226.222836][ T3939]  ? snd_ac97_proc_read_main (sound/pci/ac97/ac97_proc.c:320)
[  226.222839][ T3939]  ? ___sys_sendmsg (net/socket.c:2758)
[  226.222843][ T3939]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2))
[  226.222845][ T3939]  ? rtnl_newlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:366 net/core/rtnetlink.c:4214)
[  226.222847][ T3939]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  226.222849][ T3939]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  226.222851][ T3939]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  226.222852][ T3939]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  226.222853][ T3939]  ? trace_contention_end (./include/trace/events/lock.h:121 (discriminator 22))
[  226.222856][ T3939]  ? __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)
[  226.222857][ T3939]  ? __mutex_lock (kernel/locking/mutex.c:656 (discriminator 1) kernel/locking/mutex.c:821 (discriminator 1))
[  226.222859][ T3939]  ? rtnl_newlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:366 net/core/rtnetlink.c:4214)
[  226.222862][ T3939]  ? ww_mutex_lock (kernel/locking/mutex.c:934)
[  226.222863][ T3939]  ? nla_get_range_signed (lib/nlattr.c:270)
[  226.222868][ T3939]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  226.222870][ T3939]  ? __rtnl_newlink (net/core/rtnetlink.c:4063)
[  226.222875][ T3939]  rtnl_newlink (net/core/rtnetlink.c:4215)
[  226.222881][ T3939]  ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558)
[  226.222882][ T3939]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[  226.222887][ T3939]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2))
[  226.222889][ T3939]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[  226.222891][ T3939]  ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558)
[  226.222893][ T3939]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554)
[  226.222896][ T3939]  ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558)
[  226.222898][ T3939]  rtnetlink_rcv_msg (net/core/rtnetlink.c:7132)
[  226.222901][ T3939]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[  226.222903][ T3939]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[  226.222907][ T3939]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2))
[  226.222909][ T3939]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[  226.222913][ T3939]  netlink_rcv_skb (net/netlink/af_netlink.c:2556)
[  226.222916][ T3939]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[  226.222919][ T3939]  ? netlink_ack (./include/linux/skbuff.h:2718)
[  226.222925][ T3939]  ? 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))
[  226.222927][ T3939]  ? 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))
[  226.222932][ T3939]  netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[  226.222936][ T3939]  ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[  226.222938][ T3939]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[  226.222943][ T3939]  netlink_sendmsg (net/netlink/af_netlink.c:1900)
[  226.222947][ T3939]  ? netlink_unicast (./include/net/net_namespace.h:422 (discriminator 7))
[  226.222950][ T3939]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554)
[  226.222952][ T3939]  ? __import_iovec (lib/iov_iter.c:1358 lib/iov_iter.c:1373)
[  226.222957][ T3939]  __sock_sendmsg (net/socket.c:800 (discriminator 4) net/socket.c:815 (discriminator 4))
[  226.222960][ T3939]  ____sys_sendmsg (net/socket.c:2713)
[  226.222962][ T3939]  ? copy_msghdr_from_user (net/socket.c:2650)
[  226.222965][ T3939]  ? sock_write_iter (net/socket.c:1269)
[  226.222966][ T3939]  ? move_addr_to_kernel (net/socket.c:258)
[  226.222974][ T3939]  ___sys_sendmsg (net/socket.c:2767)
[  226.222976][ T3939]  ? copy_msghdr_from_user (net/socket.c:2619)
[  226.222992][ T3939]  __sys_sendmsg (net/socket.c:2799)
[  226.222995][ T3939]  ? __sys_sendmsg_sock (net/socket.c:2780)
[  226.223001][ T3939]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  226.223004][ T3939]  do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84)
[  226.223007][ T3939]  ? exc_page_fault (arch/x86/mm/fault.c:1489 (discriminator 3) arch/x86/mm/fault.c:1536 (discriminator 3))
[  226.223010][ T3939]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[  226.223012][ T3939] RIP: 0033:0x7fa1e3e5554e
[  226.223016][ T3939] 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
[  226.223017][ T3939] RSP: 002b:00007ffc08dba480 EFLAGS: 00000202 ORIG_RAX: 000000000000002e
[  226.223020][ T3939] RAX: ffffffffffffffda RBX: 0000000000000005 RCX: 00007fa1e3e5554e
[  226.223021][ T3939] RDX: 0000000000000000 RSI: 00007ffc08dba530 RDI: 0000000000000005
[  226.223022][ T3939] RBP: 00007ffc08dba490 R08: 0000000000000000 R09: 0000000000000000
[  226.223023][ T3939] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a90fc1a
[  226.223024][ T3939] R13: 00000000004a1620 R14: 0000000000000000 R15: 00007ffc08dbac00
| [  303.080855][ T4927] softirqs last disabled at (24386): netif_change_name (./include/linux/spinlock.h:353 ./include/linux/seqlock.h:908 net/core/dev.c:1499)
| [  303.080857][ T4927] Preemption disabled at:
| [  303.080858][ T4927] vprintk_emit (kernel/printk/printk.c:2471)
| [  303.080866][ T4927] Tainted: [W]=WARN
[  303.080866][ T4927] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[  303.080868][ T4927] Call Trace:
[  303.080870][ T4927]  <TASK>
[  303.080871][ T4927]  dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120)
[  303.080877][ T4927]  ? vprintk_emit (kernel/printk/printk.c:2471)
[  303.080879][ T4927]  __might_resched.cold (kernel/sched/core.c:9234)
[  303.080884][ T4927]  ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3))
[  303.080888][ T4927]  ? __kmalloc_noprof (./include/linux/sched/mm.h:317 mm/slub.c:4636 mm/slub.c:4974 mm/slub.c:5413 mm/slub.c:5439)
[  303.080893][ T4927]  __kmalloc_noprof (./include/linux/sched/mm.h:322 (discriminator 2) mm/slub.c:4636 (discriminator 2) mm/slub.c:4974 (discriminator 2) mm/slub.c:5413 (discriminator 2) mm/slub.c:5439 (discriminator 2))
[  303.080894][ T4927]  ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[  303.080901][ T4927]  ? do_raw_spin_unlock (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:32 ./include/asm-generic/qspinlock.h:58 kernel/locking/spinlock_debug.c:101 kernel/locking/spinlock_debug.c:141)
[  303.080904][ T4927]  alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[  303.080908][ T4927]  put_chars (drivers/char/virtio_console.c:1176)
[  303.080910][ T4927]  ? __send_to_port (drivers/char/virtio_console.c:654)
[  303.080916][ T4927]  hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2))
[  303.080929][ T4927]  ? hvc_write (drivers/tty/hvc/hvc_console.c:501)
[  303.080932][ T4927]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  303.080937][ T4927]  console_emit_next_record (kernel/printk/printk.c:3183)
[  303.080941][ T4927]  ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20)
[  303.080943][ T4927]  ? console_flush_one_record (./include/linux/rcupdate.h:314 (discriminator 2) ./include/linux/srcu.h:439 (discriminator 2) kernel/printk/printk.c:291 (discriminator 2) kernel/printk/printk.c:3246 (discriminator 2))
[  303.080947][ T4927]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  303.080949][ T4927]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  303.080953][ T4927]  console_flush_one_record (kernel/printk/printk.c:3268)
[  303.080958][ T4927]  ? console_emit_next_record (kernel/printk/printk.c:3150)
[  303.080960][ T4927]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[  303.080965][ T4927]  console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420)
[  303.080968][ T4927]  ? console_flush_one_record (kernel/printk/printk.c:3316)
[  303.080970][ T4927]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  303.080972][ T4927]  ? lock_acquire (./include/linux/srcutree.h:374 ./include/linux/srcu.h:541 ./include/linux/srcu.h:645 ./include/trace/events/lock.h:23 ./include/trace/events/lock.h:23 kernel/locking/lockdep.c:5871)
[  303.080976][ T4927]  ? __down_trylock_console_sem (kernel/printk/printk.c:334)
[  303.080977][ T4927]  ? vprintk_emit (kernel/printk/printk.c:2478)
[  303.080980][ T4927]  vprintk_emit (kernel/printk/printk.c:2479)
[  303.080983][ T4927]  ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126))
[  303.080986][ T4927]  ? _mutex_trylock_nest_lock (kernel/locking/mutex.c:1227 (discriminator 6))
[  303.080991][ T4927]  _printk (kernel/printk/printk.c:2504)
[  303.080995][ T4927]  ? snapshot_read.cold (user.c:?)
[  303.080996][ T4927]  ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4116 (discriminator 3) kernel/rcu/tree.c:4108 (discriminator 3))
[  303.080999][ T4927]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380)
[  303.081002][ T4927]  ? validate_chain (kernel/locking/lockdep.c:3817 (discriminator 2) kernel/locking/lockdep.c:3837 (discriminator 2) kernel/locking/lockdep.c:3892 (discriminator 2))
[  303.081004][ T4927]  ? netdev_name (./include/linux/netdevice.h:5709 (discriminator 1))
[  303.081008][ T4927]  ? __netdev_printk (net/core/dev.c:13148 (discriminator 2))
[  303.081010][ T4927]  ? do_setlink.isra.0 (net/core/rtnetlink.c:3246)
[  303.081013][ T4927]  netdev_info (net/core/dev.c:13195 (discriminator 3))
[  303.081016][ T4927]  ? netdev_notice (net/core/dev.c:13194)
[  303.081019][ T4927]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[  303.081022][ T4927]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554)
[  303.081024][ T4927]  ? mark_held_locks (kernel/locking/lockdep.c:4341)
[  303.081028][ T4927]  ? do_setlink.isra.0 (net/core/rtnetlink.c:3246)
[  303.081030][ T4927]  netif_change_name.cold (net/core/dev.c:1507 (discriminator 3))
[  303.081032][ T4927]  ? register_netdev (net/core/dev.c:11618)
[  303.081033][ T4927]  ? is_bpf_text_address (./include/linux/rcupdate.h:319 (discriminator 2) ./include/linux/rcupdate.h:880 (discriminator 2) kernel/bpf/core.c:751 (discriminator 2))
[  303.081038][ T4927]  ? netdev_adjacent_rename_links (net/core/dev.c:9598)
[  303.081041][ T4927]  ? __kernel_text_address (kernel/extable.c:79)
[  303.081044][ T4927]  ? write_profile (profile.c:?)
[  303.081048][ T4927]  ? __asan_memset (mm/kasan/shadow.c:84 (discriminator 1))
[  303.081054][ T4927]  do_setlink.isra.0 (net/core/rtnetlink.c:3246)
[  303.081057][ T4927]  ? stack_trace_save (kernel/stacktrace.c:122 (discriminator 1))
[  303.081059][ T4927]  ? rtnl_link_get_size (net/core/rtnetlink.c:747)
[  303.081061][ T4927]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:388 kernel/rcu/update.c:380)
[  303.081063][ T4927]  ? stack_depot_save_flags (lib/stackdepot.c:609 (discriminator 2) lib/stackdepot.c:676 (discriminator 2))
[  303.081066][ T4927]  ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4116 (discriminator 3) kernel/rcu/tree.c:4108 (discriminator 3))
[  303.081068][ T4927]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380)
[  303.081070][ T4927]  ? validate_chain (kernel/locking/lockdep.c:3817 (discriminator 2) kernel/locking/lockdep.c:3837 (discriminator 2) kernel/locking/lockdep.c:3892 (discriminator 2))
[  303.081072][ T4927]  ? kasan_save_stack (mm/kasan/common.c:58)
[  303.081074][ T4927]  ? kasan_save_stack (mm/kasan/common.c:57)
[  303.081075][ T4927]  ? kasan_save_track (mm/kasan/common.c:78)
[  303.081077][ T4927]  ? __kasan_kmalloc (mm/kasan/common.c:398 mm/kasan/common.c:415)
[  303.081079][ T4927]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[  303.081081][ T4927]  ? snd_ac97_proc_read_main (sound/pci/ac97/ac97_proc.c:320)
[  303.081084][ T4927]  ? ___sys_sendmsg (net/socket.c:2758)
[  303.081088][ T4927]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2))
[  303.081090][ T4927]  ? rtnl_newlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:366 net/core/rtnetlink.c:4214)
[  303.081093][ T4927]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  303.081094][ T4927]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  303.081096][ T4927]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  303.081097][ T4927]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  303.081099][ T4927]  ? trace_contention_end (./include/trace/events/lock.h:121 (discriminator 22))
[  303.081101][ T4927]  ? __mutex_lock (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:3188 kernel/locking/mutex.c:89 kernel/locking/mutex.c:134 kernel/locking/mutex.c:649 kernel/locking/mutex.c:821)
[  303.081102][ T4927]  ? __mutex_lock (kernel/locking/mutex.c:656 (discriminator 1) kernel/locking/mutex.c:821 (discriminator 1))
[  303.081104][ T4927]  ? rtnl_newlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:366 net/core/rtnetlink.c:4214)
[  303.081108][ T4927]  ? ww_mutex_lock (kernel/locking/mutex.c:934)
[  303.081109][ T4927]  ? nla_get_range_signed (lib/nlattr.c:270)
[  303.081114][ T4927]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  303.081116][ T4927]  ? __rtnl_newlink (net/core/rtnetlink.c:4063)
[  303.081122][ T4927]  rtnl_newlink (net/core/rtnetlink.c:4215)
[  303.081127][ T4927]  ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558)
[  303.081129][ T4927]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[  303.081133][ T4927]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2))
[  303.081135][ T4927]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[  303.081137][ T4927]  ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558)
[  303.081139][ T4927]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554)
[  303.081143][ T4927]  ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558)
[  303.081145][ T4927]  rtnetlink_rcv_msg (net/core/rtnetlink.c:7132)
[  303.081148][ T4927]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[  303.081150][ T4927]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[  303.081154][ T4927]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2))
[  303.081156][ T4927]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[  303.081160][ T4927]  netlink_rcv_skb (net/netlink/af_netlink.c:2556)
[  303.081163][ T4927]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[  303.081166][ T4927]  ? netlink_ack (./include/linux/skbuff.h:2718)
[  303.081172][ T4927]  ? netlink_deliver_tap (./include/linux/rcupdate.h:319 (discriminator 2) ./include/linux/rcupdate.h:880 (discriminator 2) ./include/net/netns/generic.h:48 (discriminator 2) net/netlink/af_netlink.c:334 (discriminator 2))
[  303.081174][ T4927]  ? netlink_deliver_tap (./include/linux/rcupdate.h:319 (discriminator 2) ./include/linux/rcupdate.h:880 (discriminator 2) net/netlink/af_netlink.c:341 (discriminator 2))
[  303.081179][ T4927]  netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[  303.081183][ T4927]  ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[  303.081186][ T4927]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[  303.081190][ T4927]  netlink_sendmsg (net/netlink/af_netlink.c:1900)
[  303.081194][ T4927]  ? netlink_unicast (./include/net/net_namespace.h:422 (discriminator 7))
[  303.081198][ T4927]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554)
[  303.081199][ T4927]  ? __import_iovec (lib/iov_iter.c:1358 lib/iov_iter.c:1373)
[  303.081204][ T4927]  __sock_sendmsg (net/socket.c:800 (discriminator 4) net/socket.c:815 (discriminator 4))
[  303.081207][ T4927]  ____sys_sendmsg (net/socket.c:2713)
[  303.081210][ T4927]  ? copy_msghdr_from_user (net/socket.c:2650)
[  303.081212][ T4927]  ? sock_write_iter (net/socket.c:1269)
[  303.081214][ T4927]  ? move_addr_to_kernel (net/socket.c:258)
[  303.081221][ T4927]  ___sys_sendmsg (net/socket.c:2767)
[  303.081224][ T4927]  ? copy_msghdr_from_user (net/socket.c:2619)
[  303.081240][ T4927]  __sys_sendmsg (net/socket.c:2799)
[  303.081242][ T4927]  ? __sys_sendmsg_sock (net/socket.c:2780)
[  303.081249][ T4927]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  303.081252][ T4927]  do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84)
[  303.081255][ T4927]  ? exc_page_fault (arch/x86/mm/fault.c:1489 (discriminator 3) arch/x86/mm/fault.c:1536 (discriminator 3))
[  303.081258][ T4927]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[  303.081260][ T4927] RIP: 0033:0x7f7f51b3954e
[  303.081264][ T4927] Code: 4d 89 d8 e8 b4 bd 00 00 4c 8b 5d f8 41 8b 93 08 03 00 00 59 5e 48 83 f8 fc 74 11 c9 c3 0f 1f 80 00 00 00 00 48 8b 45 10 0f 05 <c9> c3 83 e2 39 83 fa 08 75 e7 e8 03 ff ff ff 0f 1f 00 f3 0f 1e fa
All code
========
   0:	4d 89 d8             	mov    %r11,%r8
   3:	e8 b4 bd 00 00       	call   0xbdbc
   8:	4c 8b 5d f8          	mov    -0x8(%rbp),%r11
   c:	41 8b 93 08 03 00 00 	mov    0x308(%r11),%edx
  13:	59                   	pop    %rcx
  14:	5e                   	pop    %rsi
  15:	48 83 f8 fc          	cmp    $0xfffffffffffffffc,%rax
  19:	74 11                	je     0x2c
  1b:	c9                   	leave
  1c:	c3                   	ret
  1d:	0f 1f 80 00 00 00 00 	nopl   0x0(%rax)
  24:	48 8b 45 10          	mov    0x10(%rbp),%rax
  28:	0f 05                	syscall
  2a:*	c9                   	leave		<-- trapping instruction
  2b:	c3                   	ret
  2c:	83 e2 39             	and    $0x39,%edx
  2f:	83 fa 08             	cmp    $0x8,%edx
  32:	75 e7                	jne    0x1b
  34:	e8 03 ff ff ff       	call   0xffffffffffffff3c
  39:	0f 1f 00             	nopl   (%rax)
  3c:	f3 0f 1e fa          	endbr64

Code starting with the faulting instruction
===========================================
   0:	c9                   	leave
   1:	c3                   	ret
   2:	83 e2 39             	and    $0x39,%edx
   5:	83 fa 08             	cmp    $0x8,%edx
   8:	75 e7                	jne    0xfffffffffffffff1
   a:	e8 03 ff ff ff       	call   0xffffffffffffff12
   f:	0f 1f 00             	nopl   (%rax)
  12:	f3 0f 1e fa          	endbr64
[  303.081265][ T4927] RSP: 002b:00007ffd34ba03b0 EFLAGS: 00000202 ORIG_RAX: 000000000000002e
[  303.081268][ T4927] RAX: ffffffffffffffda RBX: 0000000000000005 RCX: 00007f7f51b3954e
[  303.081270][ T4927] RDX: 0000000000000000 RSI: 00007ffd34ba0460 RDI: 0000000000000005
[  303.081270][ T4927] RBP: 00007ffd34ba03c0 R08: 0000000000000000 R09: 0000000000000000
[  303.081271][ T4927] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a90fc67
[  303.081272][ T4927] R13: 00000000004a1620 R14: 0000000000000000 R15: 00007ffd34ba0b30
| [  416.211233][ T6530] softirqs last disabled at (23247): __irq_exit_rcu (kernel/softirq.c:679 kernel/softirq.c:519 kernel/softirq.c:767)
| [  416.211236][ T6530] Preemption disabled at:
| [  416.211236][ T6530] 0x0
| [  416.211247][ T6530] Tainted: [W]=WARN
[  416.211248][ T6530] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[  416.211250][ T6530] Call Trace:
[  416.211252][ T6530]  <TASK>
[  416.211253][ T6530]  dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120)
[  416.211260][ T6530]  __might_resched.cold (kernel/sched/core.c:9234)
[  416.211265][ T6530]  ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3))
[  416.211269][ T6530]  ? __kmalloc_noprof (./include/linux/sched/mm.h:317 mm/slub.c:4636 mm/slub.c:4974 mm/slub.c:5413 mm/slub.c:5439)
[  416.211273][ T6530]  __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))
[  416.211275][ T6530]  ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[  416.211282][ T6530]  ? 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)
[  416.211285][ T6530]  alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[  416.211289][ T6530]  put_chars (drivers/char/virtio_console.c:1176)
[  416.211291][ T6530]  ? __send_to_port (drivers/char/virtio_console.c:654)
[  416.211293][ T6530]  ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4116 (discriminator 3) kernel/rcu/tree.c:4108 (discriminator 3))
[  416.211296][ T6530]  ? validate_chain (kernel/locking/lockdep.c:3817 (discriminator 2) kernel/locking/lockdep.c:3837 (discriminator 2) kernel/locking/lockdep.c:3892 (discriminator 2))
[  416.211302][ T6530]  hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2))
[  416.211310][ T6530]  ? hvc_write (drivers/tty/hvc/hvc_console.c:501)
[  416.211312][ T6530]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  416.211314][ T6530]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  416.211318][ T6530]  console_emit_next_record (kernel/printk/printk.c:3183)
[  416.211322][ T6530]  ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20)
[  416.211324][ T6530]  ? 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))
[  416.211328][ T6530]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  416.211329][ T6530]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  416.211333][ T6530]  console_flush_one_record (kernel/printk/printk.c:3268)
[  416.211338][ T6530]  ? console_emit_next_record (kernel/printk/printk.c:3150)
[  416.211340][ T6530]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[  416.211345][ T6530]  console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420)
[  416.211348][ T6530]  ? console_flush_one_record (kernel/printk/printk.c:3316)
[  416.211350][ T6530]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  416.211352][ T6530]  ? 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)
[  416.211355][ T6530]  ? __down_trylock_console_sem (kernel/printk/printk.c:334)
[  416.211357][ T6530]  ? vprintk_emit (kernel/printk/printk.c:2478)
[  416.211360][ T6530]  vprintk_emit (kernel/printk/printk.c:2479)
[  416.211363][ T6530]  ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126))
[  416.211366][ T6530]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[  416.211370][ T6530]  _printk (kernel/printk/printk.c:2504)
[  416.211373][ T6530]  ? snapshot_read.cold (user.c:?)
[  416.211376][ T6530]  ? 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)
[  416.211379][ T6530]  ? __rwlock_init (kernel/locking/spinlock_debug.c:48)
[  416.211382][ T6530]  ? 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)
[  416.211385][ T6530]  do_exit.cold (kernel/exit.c:889 (discriminator 4) kernel/exit.c:1043 (discriminator 4))
[  416.211389][ T6530]  ? exit_notify (kernel/exit.c:780)
[  416.211391][ T6530]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554)
[  416.211393][ T6530]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  416.211397][ T6530]  do_group_exit (kernel/exit.c:1151)
[  416.211400][ T6530]  __x64_sys_exit_group (kernel/exit.c:1162 kernel/exit.c:1160 kernel/exit.c:1160)
[  416.211402][ T6530]  x64_sys_call (./arch/x86/include/generated/asm/syscalls_64.h:232)
[  416.211404][ T6530]  do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84)
[  416.211408][ T6530]  ? exc_page_fault (arch/x86/mm/fault.c:1489 (discriminator 3) arch/x86/mm/fault.c:1536 (discriminator 3))
[  416.211411][ T6530]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[  416.211413][ T6530] RIP: 0033:0x7faab34041b8
[  416.211416][ T6530] Code: Unable to access opcode bytes at 0x7faab340418e.

Code starting with the faulting instruction
===========================================
[  416.211417][ T6530] RSP: 002b:00007ffefa99cad8 EFLAGS: 00000246 ORIG_RAX: 00000000000000e7
[  416.211419][ T6530] RAX: ffffffffffffffda RBX: 00007faab3534f88 RCX: 00007faab34041b8
[  416.211421][ T6530] RDX: 00007faab314efc8 RSI: fffffffffffffeb8 RDI: 0000000000000000
[  416.211422][ T6530] RBP: 00007ffefa99cb30 R08: 0000000000000000 R09: 0000000000000050
[  416.211423][ T6530] R10: 00007ffefa99c8f0 R11: 0000000000000246 R12: 0000000000000001
[  416.211423][ T6530] R13: 0000000000000000 R14: 00007faab3533680 R15: 00007faab3534fa0
| [  442.096424][ T7374] softirqs last disabled at (28292): netif_change_name (./include/linux/spinlock.h:353 ./include/linux/seqlock.h:908 net/core/dev.c:1499)
| [  442.096426][ T7374] Preemption disabled at:
| [  442.096427][ T7374] vprintk_emit (kernel/printk/printk.c:2471)
| [  442.096436][ T7374] Tainted: [W]=WARN
[  442.096437][ T7374] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[  442.096439][ T7374] Call Trace:
[  442.096440][ T7374]  <TASK>
[  442.096442][ T7374]  dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120)
[  442.096447][ T7374]  ? vprintk_emit (kernel/printk/printk.c:2471)
[  442.096449][ T7374]  __might_resched.cold (kernel/sched/core.c:9234)
[  442.096453][ T7374]  ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3))
[  442.096458][ T7374]  ? __kmalloc_noprof (./include/linux/sched/mm.h:317 mm/slub.c:4636 mm/slub.c:4974 mm/slub.c:5413 mm/slub.c:5439)
[  442.096462][ T7374]  __kmalloc_noprof (./include/linux/sched/mm.h:322 (discriminator 2) mm/slub.c:4636 (discriminator 2) mm/slub.c:4974 (discriminator 2) mm/slub.c:5413 (discriminator 2) mm/slub.c:5439 (discriminator 2))
[  442.096464][ T7374]  ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[  442.096470][ T7374]  ? do_raw_spin_unlock (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:32 ./include/asm-generic/qspinlock.h:58 kernel/locking/spinlock_debug.c:101 kernel/locking/spinlock_debug.c:141)
[  442.096473][ T7374]  alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[  442.096477][ T7374]  put_chars (drivers/char/virtio_console.c:1176)
[  442.096479][ T7374]  ? __send_to_port (drivers/char/virtio_console.c:654)
[  442.096486][ T7374]  hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2))
[  442.096493][ T7374]  ? hvc_write (drivers/tty/hvc/hvc_console.c:501)
[  442.096496][ T7374]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  442.096501][ T7374]  console_emit_next_record (kernel/printk/printk.c:3183)
[  442.096505][ T7374]  ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20)
[  442.096507][ T7374]  ? console_flush_one_record (./include/linux/rcupdate.h:314 (discriminator 2) ./include/linux/srcu.h:439 (discriminator 2) kernel/printk/printk.c:291 (discriminator 2) kernel/printk/printk.c:3246 (discriminator 2))
[  442.096510][ T7374]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  442.096513][ T7374]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  442.096517][ T7374]  console_flush_one_record (kernel/printk/printk.c:3268)
[  442.096521][ T7374]  ? console_emit_next_record (kernel/printk/printk.c:3150)
[  442.096523][ T7374]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[  442.096528][ T7374]  console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420)
[  442.096531][ T7374]  ? console_flush_one_record (kernel/printk/printk.c:3316)
[  442.096533][ T7374]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  442.096535][ T7374]  ? lock_acquire (./include/linux/srcutree.h:374 ./include/linux/srcu.h:541 ./include/linux/srcu.h:645 ./include/trace/events/lock.h:23 ./include/trace/events/lock.h:23 kernel/locking/lockdep.c:5871)
[  442.096538][ T7374]  ? __down_trylock_console_sem (kernel/printk/printk.c:334)
[  442.096540][ T7374]  ? vprintk_emit (kernel/printk/printk.c:2478)
[  442.096543][ T7374]  vprintk_emit (kernel/printk/printk.c:2479)
[  442.096546][ T7374]  ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126))
[  442.096549][ T7374]  ? _mutex_trylock_nest_lock (kernel/locking/mutex.c:1227 (discriminator 6))
[  442.096554][ T7374]  _printk (kernel/printk/printk.c:2504)
[  442.096557][ T7374]  ? snapshot_read.cold (user.c:?)
[  442.096559][ T7374]  ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4116 (discriminator 3) kernel/rcu/tree.c:4108 (discriminator 3))
[  442.096561][ T7374]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380)
[  442.096564][ T7374]  ? validate_chain (kernel/locking/lockdep.c:3817 (discriminator 2) kernel/locking/lockdep.c:3837 (discriminator 2) kernel/locking/lockdep.c:3892 (discriminator 2))
[  442.096566][ T7374]  ? netdev_name (./include/linux/netdevice.h:5709 (discriminator 1))
[  442.096570][ T7374]  ? __netdev_printk (net/core/dev.c:13148 (discriminator 2))
[  442.096573][ T7374]  ? do_setlink.isra.0 (net/core/rtnetlink.c:3246)
[  442.096575][ T7374]  netdev_info (net/core/dev.c:13195 (discriminator 3))
[  442.096578][ T7374]  ? netdev_notice (net/core/dev.c:13194)
[  442.096580][ T7374]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[  442.096584][ T7374]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554)
[  442.096586][ T7374]  ? mark_held_locks (kernel/locking/lockdep.c:4341)
[  442.096590][ T7374]  ? do_setlink.isra.0 (net/core/rtnetlink.c:3246)
[  442.096592][ T7374]  netif_change_name.cold (net/core/dev.c:1507 (discriminator 3))
[  442.096594][ T7374]  ? register_netdev (net/core/dev.c:11618)
[  442.096595][ T7374]  ? is_bpf_text_address (./include/linux/rcupdate.h:319 (discriminator 2) ./include/linux/rcupdate.h:880 (discriminator 2) kernel/bpf/core.c:751 (discriminator 2))
[  442.096601][ T7374]  ? netdev_adjacent_rename_links (net/core/dev.c:9598)
[  442.096603][ T7374]  ? __kernel_text_address (kernel/extable.c:79)
[  442.096606][ T7374]  ? write_profile (profile.c:?)
[  442.096610][ T7374]  ? __asan_memset (mm/kasan/shadow.c:84 (discriminator 1))
[  442.096616][ T7374]  do_setlink.isra.0 (net/core/rtnetlink.c:3246)
[  442.096619][ T7374]  ? stack_trace_save (kernel/stacktrace.c:122 (discriminator 1))
[  442.096621][ T7374]  ? rtnl_link_get_size (net/core/rtnetlink.c:747)
[  442.096623][ T7374]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:388 kernel/rcu/update.c:380)
[  442.096625][ T7374]  ? stack_depot_save_flags (lib/stackdepot.c:609 (discriminator 2) lib/stackdepot.c:676 (discriminator 2))
[  442.096628][ T7374]  ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4116 (discriminator 3) kernel/rcu/tree.c:4108 (discriminator 3))
[  442.096630][ T7374]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380)
[  442.096632][ T7374]  ? validate_chain (kernel/locking/lockdep.c:3817 (discriminator 2) kernel/locking/lockdep.c:3837 (discriminator 2) kernel/locking/lockdep.c:3892 (discriminator 2))
[  442.096634][ T7374]  ? kasan_save_stack (mm/kasan/common.c:58)
[  442.096636][ T7374]  ? kasan_save_stack (mm/kasan/common.c:57)
[  442.096637][ T7374]  ? kasan_save_track (mm/kasan/common.c:78)
[  442.096638][ T7374]  ? __kasan_kmalloc (mm/kasan/common.c:398 mm/kasan/common.c:415)
[  442.096641][ T7374]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[  442.096642][ T7374]  ? snd_ac97_proc_read_main (sound/pci/ac97/ac97_proc.c:320)
[  442.096646][ T7374]  ? ___sys_sendmsg (net/socket.c:2758)
[  442.096652][ T7374]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2))
[  442.096654][ T7374]  ? rtnl_newlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:366 net/core/rtnetlink.c:4214)
[  442.096657][ T7374]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  442.096659][ T7374]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  442.096660][ T7374]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  442.096661][ T7374]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  442.096663][ T7374]  ? trace_contention_end (./include/trace/events/lock.h:121 (discriminator 22))
[  442.096665][ T7374]  ? __mutex_lock (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:3188 kernel/locking/mutex.c:89 kernel/locking/mutex.c:134 kernel/locking/mutex.c:649 kernel/locking/mutex.c:821)
[  442.096666][ T7374]  ? __mutex_lock (kernel/locking/mutex.c:656 (discriminator 1) kernel/locking/mutex.c:821 (discriminator 1))
[  442.096668][ T7374]  ? rtnl_newlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:366 net/core/rtnetlink.c:4214)
[  442.096672][ T7374]  ? ww_mutex_lock (kernel/locking/mutex.c:934)
[  442.096673][ T7374]  ? nla_get_range_signed (lib/nlattr.c:270)
[  442.096678][ T7374]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  442.096680][ T7374]  ? __rtnl_newlink (net/core/rtnetlink.c:4063)
[  442.096686][ T7374]  rtnl_newlink (net/core/rtnetlink.c:4215)
[  442.096691][ T7374]  ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558)
[  442.096693][ T7374]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[  442.096697][ T7374]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2))
[  442.096699][ T7374]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[  442.096701][ T7374]  ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558)
[  442.096703][ T7374]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554)
[  442.096707][ T7374]  ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558)
[  442.096709][ T7374]  rtnetlink_rcv_msg (net/core/rtnetlink.c:7132)
[  442.096712][ T7374]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[  442.096713][ T7374]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[  442.096718][ T7374]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2))
[  442.096720][ T7374]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[  442.096723][ T7374]  netlink_rcv_skb (net/netlink/af_netlink.c:2556)
[  442.096726][ T7374]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[  442.096729][ T7374]  ? netlink_ack (./include/linux/skbuff.h:2718)
[  442.096736][ T7374]  ? netlink_deliver_tap (./include/linux/rcupdate.h:319 (discriminator 2) ./include/linux/rcupdate.h:880 (discriminator 2) ./include/net/netns/generic.h:48 (discriminator 2) net/netlink/af_netlink.c:334 (discriminator 2))
[  442.096738][ T7374]  ? netlink_deliver_tap (./include/linux/rcupdate.h:319 (discriminator 2) ./include/linux/rcupdate.h:880 (discriminator 2) net/netlink/af_netlink.c:341 (discriminator 2))
[  442.096742][ T7374]  netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[  442.096746][ T7374]  ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[  442.096749][ T7374]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[  442.096753][ T7374]  netlink_sendmsg (net/netlink/af_netlink.c:1900)
[  442.096757][ T7374]  ? netlink_unicast (./include/net/net_namespace.h:422 (discriminator 7))
[  442.096761][ T7374]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554)
[  442.096763][ T7374]  ? __import_iovec (lib/iov_iter.c:1358 lib/iov_iter.c:1373)
[  442.096768][ T7374]  __sock_sendmsg (net/socket.c:800 (discriminator 4) net/socket.c:815 (discriminator 4))
[  442.096771][ T7374]  ____sys_sendmsg (net/socket.c:2713)
[  442.096773][ T7374]  ? copy_msghdr_from_user (net/socket.c:2650)
[  442.096775][ T7374]  ? sock_write_iter (net/socket.c:1269)
[  442.096777][ T7374]  ? move_addr_to_kernel (net/socket.c:258)
[  442.096784][ T7374]  ___sys_sendmsg (net/socket.c:2767)
[  442.096787][ T7374]  ? copy_msghdr_from_user (net/socket.c:2619)
[  442.096803][ T7374]  __sys_sendmsg (net/socket.c:2799)
[  442.096806][ T7374]  ? __sys_sendmsg_sock (net/socket.c:2780)
[  442.096812][ T7374]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  442.096816][ T7374]  do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84)
[  442.096819][ T7374]  ? exc_page_fault (arch/x86/mm/fault.c:1489 (discriminator 3) arch/x86/mm/fault.c:1536 (discriminator 3))
[  442.096821][ T7374]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[  442.096824][ T7374] RIP: 0033:0x7fed7c38254e
[  442.096827][ T7374] Code: 4d 89 d8 e8 b4 bd 00 00 4c 8b 5d f8 41 8b 93 08 03 00 00 59 5e 48 83 f8 fc 74 11 c9 c3 0f 1f 80 00 00 00 00 48 8b 45 10 0f 05 <c9> c3 83 e2 39 83 fa 08 75 e7 e8 03 ff ff ff 0f 1f 00 f3 0f 1e fa
All code
========
   0:	4d 89 d8             	mov    %r11,%r8
   3:	e8 b4 bd 00 00       	call   0xbdbc
   8:	4c 8b 5d f8          	mov    -0x8(%rbp),%r11
   c:	41 8b 93 08 03 00 00 	mov    0x308(%r11),%edx
  13:	59                   	pop    %rcx
  14:	5e                   	pop    %rsi
  15:	48 83 f8 fc          	cmp    $0xfffffffffffffffc,%rax
  19:	74 11                	je     0x2c
  1b:	c9                   	leave
  1c:	c3                   	ret
  1d:	0f 1f 80 00 00 00 00 	nopl   0x0(%rax)
  24:	48 8b 45 10          	mov    0x10(%rbp),%rax
  28:	0f 05                	syscall
  2a:*	c9                   	leave		<-- trapping instruction
  2b:	c3                   	ret
  2c:	83 e2 39             	and    $0x39,%edx
  2f:	83 fa 08             	cmp    $0x8,%edx
  32:	75 e7                	jne    0x1b
  34:	e8 03 ff ff ff       	call   0xffffffffffffff3c
  39:	0f 1f 00             	nopl   (%rax)
  3c:	f3 0f 1e fa          	endbr64

Code starting with the faulting instruction
===========================================
   0:	c9                   	leave
   1:	c3                   	ret
   2:	83 e2 39             	and    $0x39,%edx
   5:	83 fa 08             	cmp    $0x8,%edx
   8:	75 e7                	jne    0xfffffffffffffff1
   a:	e8 03 ff ff ff       	call   0xffffffffffffff12
   f:	0f 1f 00             	nopl   (%rax)
  12:	f3 0f 1e fa          	endbr64
[  442.096829][ T7374] RSP: 002b:00007ffe1e08f770 EFLAGS: 00000202 ORIG_RAX: 000000000000002e
[  442.096832][ T7374] RAX: ffffffffffffffda RBX: 0000000000000005 RCX: 00007fed7c38254e
[  442.096833][ T7374] RDX: 0000000000000000 RSI: 00007ffe1e08f820 RDI: 0000000000000005
[  442.096834][ T7374] RBP: 00007ffe1e08f780 R08: 0000000000000000 R09: 0000000000000000
[  442.096835][ T7374] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a90fcf2
[  442.096836][ T7374] R13: 00000000004a1620 R14: 0000000000000000 R15: 00007ffe1e08fef0
| [  451.100372][ T7621] softirqs last disabled at (19428): netif_change_name (./include/linux/spinlock.h:353 ./include/linux/seqlock.h:908 net/core/dev.c:1499)
| [  451.100375][ T7621] Preemption disabled at:
| [  451.100376][ T7621] vprintk_emit (kernel/printk/printk.c:2471)
| [  451.100384][ T7621] Tainted: [W]=WARN
[  451.100385][ T7621] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[  451.100386][ T7621] Call Trace:
[  451.100388][ T7621]  <TASK>
[  451.100390][ T7621]  dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120)
[  451.100395][ T7621]  ? vprintk_emit (kernel/printk/printk.c:2471)
[  451.100397][ T7621]  __might_resched.cold (kernel/sched/core.c:9234)
[  451.100401][ T7621]  ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3))
[  451.100405][ T7621]  ? __kmalloc_noprof (./include/linux/sched/mm.h:317 mm/slub.c:4636 mm/slub.c:4974 mm/slub.c:5413 mm/slub.c:5439)
[  451.100410][ T7621]  __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))
[  451.100411][ T7621]  ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[  451.100418][ T7621]  ? 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)
[  451.100420][ T7621]  alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[  451.100424][ T7621]  put_chars (drivers/char/virtio_console.c:1176)
[  451.100426][ T7621]  ? __send_to_port (drivers/char/virtio_console.c:654)
[  451.100432][ T7621]  hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2))
[  451.100440][ T7621]  ? hvc_write (drivers/tty/hvc/hvc_console.c:501)
[  451.100443][ T7621]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  451.100447][ T7621]  console_emit_next_record (kernel/printk/printk.c:3183)
[  451.100451][ T7621]  ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20)
[  451.100453][ T7621]  ? 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))
[  451.100456][ T7621]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  451.100459][ T7621]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  451.100462][ T7621]  console_flush_one_record (kernel/printk/printk.c:3268)
[  451.100467][ T7621]  ? console_emit_next_record (kernel/printk/printk.c:3150)
[  451.100468][ T7621]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[  451.100474][ T7621]  console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420)
[  451.100476][ T7621]  ? console_flush_one_record (kernel/printk/printk.c:3316)
[  451.100478][ T7621]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  451.100480][ T7621]  ? 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)
[  451.100483][ T7621]  ? __down_trylock_console_sem (kernel/printk/printk.c:334)
[  451.100485][ T7621]  ? vprintk_emit (kernel/printk/printk.c:2478)
[  451.100488][ T7621]  vprintk_emit (kernel/printk/printk.c:2479)
[  451.100491][ T7621]  ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126))
[  451.100493][ T7621]  ? _mutex_trylock_nest_lock (kernel/locking/mutex.c:1227 (discriminator 6))
[  451.100498][ T7621]  _printk (kernel/printk/printk.c:2504)
[  451.100502][ T7621]  ? snapshot_read.cold (user.c:?)
[  451.100503][ T7621]  ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4116 (discriminator 3) kernel/rcu/tree.c:4108 (discriminator 3))
[  451.100506][ T7621]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380)
[  451.100508][ T7621]  ? validate_chain (kernel/locking/lockdep.c:3817 (discriminator 2) kernel/locking/lockdep.c:3837 (discriminator 2) kernel/locking/lockdep.c:3892 (discriminator 2))
[  451.100510][ T7621]  ? netdev_name (./include/linux/netdevice.h:5709 (discriminator 1))
[  451.100514][ T7621]  ? __netdev_printk (net/core/dev.c:13148 (discriminator 2))
[  451.100517][ T7621]  ? do_setlink.isra.0 (net/core/rtnetlink.c:3246)
[  451.100519][ T7621]  netdev_info (net/core/dev.c:13195 (discriminator 3))
[  451.100522][ T7621]  ? netdev_notice (net/core/dev.c:13194)
[  451.100524][ T7621]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[  451.100528][ T7621]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554)
[  451.100530][ T7621]  ? mark_held_locks (kernel/locking/lockdep.c:4341)
[  451.100534][ T7621]  ? do_setlink.isra.0 (net/core/rtnetlink.c:3246)
[  451.100536][ T7621]  netif_change_name.cold (net/core/dev.c:1507 (discriminator 3))
[  451.100538][ T7621]  ? register_netdev (net/core/dev.c:11618)
[  451.100539][ T7621]  ? 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))
[  451.100544][ T7621]  ? netdev_adjacent_rename_links (net/core/dev.c:9598)
[  451.100547][ T7621]  ? __kernel_text_address (kernel/extable.c:79)
[  451.100549][ T7621]  ? write_profile (profile.c:?)
[  451.100553][ T7621]  ? __asan_memset (mm/kasan/shadow.c:84 (discriminator 1))
[  451.100559][ T7621]  do_setlink.isra.0 (net/core/rtnetlink.c:3246)
[  451.100562][ T7621]  ? stack_trace_save (kernel/stacktrace.c:122 (discriminator 1))
[  451.100564][ T7621]  ? rtnl_link_get_size (net/core/rtnetlink.c:747)
[  451.100565][ T7621]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:388 kernel/rcu/update.c:380)
[  451.100567][ T7621]  ? stack_depot_save_flags (lib/stackdepot.c:609 (discriminator 2) lib/stackdepot.c:676 (discriminator 2))
[  451.100570][ T7621]  ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4116 (discriminator 3) kernel/rcu/tree.c:4108 (discriminator 3))
[  451.100572][ T7621]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380)
[  451.100574][ T7621]  ? validate_chain (kernel/locking/lockdep.c:3817 (discriminator 2) kernel/locking/lockdep.c:3837 (discriminator 2) kernel/locking/lockdep.c:3892 (discriminator 2))
[  451.100576][ T7621]  ? kasan_save_stack (mm/kasan/common.c:58)
[  451.100578][ T7621]  ? kasan_save_stack (mm/kasan/common.c:57)
[  451.100579][ T7621]  ? kasan_save_track (mm/kasan/common.c:78)
[  451.100581][ T7621]  ? __kasan_kmalloc (mm/kasan/common.c:398 mm/kasan/common.c:415)
[  451.100583][ T7621]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[  451.100585][ T7621]  ? snd_ac97_proc_read_main (sound/pci/ac97/ac97_proc.c:320)
[  451.100588][ T7621]  ? ___sys_sendmsg (net/socket.c:2758)
[  451.100592][ T7621]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2))
[  451.100594][ T7621]  ? rtnl_newlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:366 net/core/rtnetlink.c:4214)
[  451.100596][ T7621]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  451.100598][ T7621]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  451.100599][ T7621]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  451.100600][ T7621]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  451.100602][ T7621]  ? trace_contention_end (./include/trace/events/lock.h:121 (discriminator 22))
[  451.100604][ T7621]  ? __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)
[  451.100605][ T7621]  ? __mutex_lock (kernel/locking/mutex.c:656 (discriminator 1) kernel/locking/mutex.c:821 (discriminator 1))
[  451.100607][ T7621]  ? rtnl_newlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:366 net/core/rtnetlink.c:4214)
[  451.100610][ T7621]  ? ww_mutex_lock (kernel/locking/mutex.c:934)
[  451.100612][ T7621]  ? nla_get_range_signed (lib/nlattr.c:270)
[  451.100616][ T7621]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  451.100618][ T7621]  ? __rtnl_newlink (net/core/rtnetlink.c:4063)
[  451.100623][ T7621]  rtnl_newlink (net/core/rtnetlink.c:4215)
[  451.100629][ T7621]  ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558)
[  451.100630][ T7621]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[  451.100635][ T7621]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2))
[  451.100637][ T7621]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[  451.100639][ T7621]  ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558)
[  451.100640][ T7621]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554)
[  451.100644][ T7621]  ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558)
[  451.100646][ T7621]  rtnetlink_rcv_msg (net/core/rtnetlink.c:7132)
[  451.100652][ T7621]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[  451.100654][ T7621]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[  451.100658][ T7621]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2))
[  451.100660][ T7621]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[  451.100663][ T7621]  netlink_rcv_skb (net/netlink/af_netlink.c:2556)
[  451.100666][ T7621]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[  451.100669][ T7621]  ? netlink_ack (./include/linux/skbuff.h:2718)
[  451.100676][ T7621]  ? 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))
[  451.100678][ T7621]  ? 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))
[  451.100682][ T7621]  netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[  451.100686][ T7621]  ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[  451.100689][ T7621]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[  451.100693][ T7621]  netlink_sendmsg (net/netlink/af_netlink.c:1900)
[  451.100697][ T7621]  ? netlink_unicast (./include/net/net_namespace.h:422 (discriminator 7))
[  451.100700][ T7621]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554)
[  451.100702][ T7621]  ? __import_iovec (lib/iov_iter.c:1358 lib/iov_iter.c:1373)
[  451.100707][ T7621]  __sock_sendmsg (net/socket.c:800 (discriminator 4) net/socket.c:815 (discriminator 4))
[  451.100710][ T7621]  ____sys_sendmsg (net/socket.c:2713)
[  451.100712][ T7621]  ? copy_msghdr_from_user (net/socket.c:2650)
[  451.100715][ T7621]  ? sock_write_iter (net/socket.c:1269)
[  451.100716][ T7621]  ? move_addr_to_kernel (net/socket.c:258)
[  451.100723][ T7621]  ___sys_sendmsg (net/socket.c:2767)
[  451.100726][ T7621]  ? copy_msghdr_from_user (net/socket.c:2619)
[  451.100741][ T7621]  __sys_sendmsg (net/socket.c:2799)
[  451.100744][ T7621]  ? __sys_sendmsg_sock (net/socket.c:2780)
[  451.100750][ T7621]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  451.100753][ T7621]  do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84)
[  451.100756][ T7621]  ? exc_page_fault (arch/x86/mm/fault.c:1489 (discriminator 3) arch/x86/mm/fault.c:1536 (discriminator 3))
[  451.100759][ T7621]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[  451.100762][ T7621] RIP: 0033:0x7f44f84ca54e
[  451.100765][ T7621] 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
[  451.100767][ T7621] RSP: 002b:00007fff0b83b050 EFLAGS: 00000202 ORIG_RAX: 000000000000002e
[  451.100770][ T7621] RAX: ffffffffffffffda RBX: 0000000000000005 RCX: 00007f44f84ca54e
[  451.100771][ T7621] RDX: 0000000000000000 RSI: 00007fff0b83b100 RDI: 0000000000000005
[  451.100772][ T7621] RBP: 00007fff0b83b060 R08: 0000000000000000 R09: 0000000000000000
[  451.100773][ T7621] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a90fcfb
[  451.100774][ T7621] R13: 00000000004a1620 R14: 0000000000000000 R15: 00007fff0b83b7d0
| [  464.145539][ T7972] softirqs last disabled at (23938): netif_change_name (./include/linux/spinlock.h:353 ./include/linux/seqlock.h:908 net/core/dev.c:1499)
| [  464.145541][ T7972] Preemption disabled at:
| [  464.145542][ T7972] vprintk_emit (kernel/printk/printk.c:2471)
| [  464.145550][ T7972] Tainted: [W]=WARN
[  464.145551][ T7972] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[  464.145553][ T7972] Call Trace:
[  464.145554][ T7972]  <TASK>
[  464.145556][ T7972]  dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120)
[  464.145561][ T7972]  ? vprintk_emit (kernel/printk/printk.c:2471)
[  464.145563][ T7972]  __might_resched.cold (kernel/sched/core.c:9234)
[  464.145567][ T7972]  ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3))
[  464.145571][ T7972]  ? __kmalloc_noprof (./include/linux/sched/mm.h:317 mm/slub.c:4636 mm/slub.c:4974 mm/slub.c:5413 mm/slub.c:5439)
[  464.145576][ T7972]  __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))
[  464.145578][ T7972]  ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[  464.145584][ T7972]  ? 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)
[  464.145587][ T7972]  alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[  464.145591][ T7972]  put_chars (drivers/char/virtio_console.c:1176)
[  464.145593][ T7972]  ? __send_to_port (drivers/char/virtio_console.c:654)
[  464.145599][ T7972]  hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2))
[  464.145607][ T7972]  ? hvc_write (drivers/tty/hvc/hvc_console.c:501)
[  464.145610][ T7972]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  464.145614][ T7972]  console_emit_next_record (kernel/printk/printk.c:3183)
[  464.145618][ T7972]  ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20)
[  464.145620][ T7972]  ? 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))
[  464.145623][ T7972]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  464.145626][ T7972]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  464.145630][ T7972]  console_flush_one_record (kernel/printk/printk.c:3268)
[  464.145634][ T7972]  ? console_emit_next_record (kernel/printk/printk.c:3150)
[  464.145636][ T7972]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[  464.145641][ T7972]  console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420)
[  464.145644][ T7972]  ? console_flush_one_record (kernel/printk/printk.c:3316)
[  464.145646][ T7972]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  464.145648][ T7972]  ? 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)
[  464.145654][ T7972]  ? __down_trylock_console_sem (kernel/printk/printk.c:334)
[  464.145656][ T7972]  ? vprintk_emit (kernel/printk/printk.c:2478)
[  464.145659][ T7972]  vprintk_emit (kernel/printk/printk.c:2479)
[  464.145662][ T7972]  ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126))
[  464.145664][ T7972]  ? _mutex_trylock_nest_lock (kernel/locking/mutex.c:1227 (discriminator 6))
[  464.145669][ T7972]  _printk (kernel/printk/printk.c:2504)
[  464.145673][ T7972]  ? snapshot_read.cold (user.c:?)
[  464.145675][ T7972]  ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4116 (discriminator 3) kernel/rcu/tree.c:4108 (discriminator 3))
[  464.145677][ T7972]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380)
[  464.145680][ T7972]  ? validate_chain (kernel/locking/lockdep.c:3817 (discriminator 2) kernel/locking/lockdep.c:3837 (discriminator 2) kernel/locking/lockdep.c:3892 (discriminator 2))
[  464.145682][ T7972]  ? netdev_name (./include/linux/netdevice.h:5709 (discriminator 1))
[  464.145686][ T7972]  ? __netdev_printk (net/core/dev.c:13148 (discriminator 2))
[  464.145689][ T7972]  ? do_setlink.isra.0 (net/core/rtnetlink.c:3246)
[  464.145691][ T7972]  netdev_info (net/core/dev.c:13195 (discriminator 3))
[  464.145693][ T7972]  ? netdev_notice (net/core/dev.c:13194)
[  464.145696][ T7972]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[  464.145699][ T7972]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554)
[  464.145702][ T7972]  ? mark_held_locks (kernel/locking/lockdep.c:4341)
[  464.145705][ T7972]  ? do_setlink.isra.0 (net/core/rtnetlink.c:3246)
[  464.145707][ T7972]  netif_change_name.cold (net/core/dev.c:1507 (discriminator 3))
[  464.145709][ T7972]  ? register_netdev (net/core/dev.c:11618)
[  464.145710][ T7972]  ? 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))
[  464.145716][ T7972]  ? netdev_adjacent_rename_links (net/core/dev.c:9598)
[  464.145718][ T7972]  ? __kernel_text_address (kernel/extable.c:79)
[  464.145720][ T7972]  ? write_profile (profile.c:?)
[  464.145724][ T7972]  ? __asan_memset (mm/kasan/shadow.c:84 (discriminator 1))
[  464.145730][ T7972]  do_setlink.isra.0 (net/core/rtnetlink.c:3246)
[  464.145733][ T7972]  ? stack_trace_save (kernel/stacktrace.c:122 (discriminator 1))
[  464.145735][ T7972]  ? rtnl_link_get_size (net/core/rtnetlink.c:747)
[  464.145736][ T7972]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:388 kernel/rcu/update.c:380)
[  464.145738][ T7972]  ? stack_depot_save_flags (lib/stackdepot.c:609 (discriminator 2) lib/stackdepot.c:676 (discriminator 2))
[  464.145742][ T7972]  ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4116 (discriminator 3) kernel/rcu/tree.c:4108 (discriminator 3))
[  464.145744][ T7972]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380)
[  464.145745][ T7972]  ? validate_chain (kernel/locking/lockdep.c:3817 (discriminator 2) kernel/locking/lockdep.c:3837 (discriminator 2) kernel/locking/lockdep.c:3892 (discriminator 2))
[  464.145748][ T7972]  ? kasan_save_stack (mm/kasan/common.c:58)
[  464.145750][ T7972]  ? kasan_save_stack (mm/kasan/common.c:57)
[  464.145751][ T7972]  ? kasan_save_track (mm/kasan/common.c:78)
[  464.145752][ T7972]  ? __kasan_kmalloc (mm/kasan/common.c:398 mm/kasan/common.c:415)
[  464.145754][ T7972]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[  464.145756][ T7972]  ? snd_ac97_proc_read_main (sound/pci/ac97/ac97_proc.c:320)
[  464.145759][ T7972]  ? ___sys_sendmsg (net/socket.c:2758)
[  464.145763][ T7972]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2))
[  464.145764][ T7972]  ? rtnl_newlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:366 net/core/rtnetlink.c:4214)
[  464.145767][ T7972]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  464.145769][ T7972]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  464.145770][ T7972]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  464.145771][ T7972]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  464.145773][ T7972]  ? trace_contention_end (./include/trace/events/lock.h:121 (discriminator 22))
[  464.145775][ T7972]  ? __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)
[  464.145776][ T7972]  ? __mutex_lock (kernel/locking/mutex.c:656 (discriminator 1) kernel/locking/mutex.c:821 (discriminator 1))
[  464.145778][ T7972]  ? rtnl_newlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:366 net/core/rtnetlink.c:4214)
[  464.145781][ T7972]  ? ww_mutex_lock (kernel/locking/mutex.c:934)
[  464.145782][ T7972]  ? nla_get_range_signed (lib/nlattr.c:270)
[  464.145787][ T7972]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  464.145790][ T7972]  ? __rtnl_newlink (net/core/rtnetlink.c:4063)
[  464.145795][ T7972]  rtnl_newlink (net/core/rtnetlink.c:4215)
[  464.145800][ T7972]  ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558)
[  464.145802][ T7972]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[  464.145806][ T7972]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2))
[  464.145808][ T7972]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[  464.145810][ T7972]  ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558)
[  464.145812][ T7972]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554)
[  464.145815][ T7972]  ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558)
[  464.145817][ T7972]  rtnetlink_rcv_msg (net/core/rtnetlink.c:7132)
[  464.145821][ T7972]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[  464.145822][ T7972]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[  464.145826][ T7972]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2))
[  464.145828][ T7972]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[  464.145832][ T7972]  netlink_rcv_skb (net/netlink/af_netlink.c:2556)
[  464.145835][ T7972]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[  464.145837][ T7972]  ? netlink_ack (./include/linux/skbuff.h:2718)
[  464.145844][ T7972]  ? 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))
[  464.145846][ T7972]  ? 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))
[  464.145850][ T7972]  netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[  464.145854][ T7972]  ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[  464.145857][ T7972]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[  464.145861][ T7972]  netlink_sendmsg (net/netlink/af_netlink.c:1900)
[  464.145865][ T7972]  ? netlink_unicast (./include/net/net_namespace.h:422 (discriminator 7))
[  464.145869][ T7972]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554)
[  464.145870][ T7972]  ? __import_iovec (lib/iov_iter.c:1358 lib/iov_iter.c:1373)
[  464.145875][ T7972]  __sock_sendmsg (net/socket.c:800 (discriminator 4) net/socket.c:815 (discriminator 4))
[  464.145878][ T7972]  ____sys_sendmsg (net/socket.c:2713)
[  464.145881][ T7972]  ? copy_msghdr_from_user (net/socket.c:2650)
[  464.145883][ T7972]  ? sock_write_iter (net/socket.c:1269)
[  464.145884][ T7972]  ? move_addr_to_kernel (net/socket.c:258)
[  464.145892][ T7972]  ___sys_sendmsg (net/socket.c:2767)
[  464.145894][ T7972]  ? copy_msghdr_from_user (net/socket.c:2619)
[  464.145910][ T7972]  __sys_sendmsg (net/socket.c:2799)
[  464.145912][ T7972]  ? __sys_sendmsg_sock (net/socket.c:2780)
[  464.145918][ T7972]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  464.145921][ T7972]  do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84)
[  464.145924][ T7972]  ? exc_page_fault (arch/x86/mm/fault.c:1489 (discriminator 3) arch/x86/mm/fault.c:1536 (discriminator 3))
[  464.145927][ T7972]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[  464.145929][ T7972] RIP: 0033:0x7f04a53c154e
[  464.145933][ T7972] 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
[  464.145935][ T7972] RSP: 002b:00007fff78a77b10 EFLAGS: 00000202 ORIG_RAX: 000000000000002e
[  464.145937][ T7972] RAX: ffffffffffffffda RBX: 0000000000000005 RCX: 00007f04a53c154e
[  464.145939][ T7972] RDX: 0000000000000000 RSI: 00007fff78a77bc0 RDI: 0000000000000005
[  464.145940][ T7972] RBP: 00007fff78a77b20 R08: 0000000000000000 R09: 0000000000000000
[  464.145940][ T7972] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a90fd08
[  464.145941][ T7972] R13: 00000000004a1620 R14: 0000000000000000 R15: 00007fff78a78290
| [  473.158412][ T8108] softirqs last disabled at (24298): netif_change_name (./include/linux/spinlock.h:353 ./include/linux/seqlock.h:908 net/core/dev.c:1499)
| [  473.158414][ T8108] Preemption disabled at:
| [  473.158415][ T8108] vprintk_emit (kernel/printk/printk.c:2471)
| [  473.158423][ T8108] Tainted: [W]=WARN
[  473.158424][ T8108] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[  473.158426][ T8108] Call Trace:
[  473.158428][ T8108]  <TASK>
[  473.158429][ T8108]  dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120)
[  473.158435][ T8108]  ? vprintk_emit (kernel/printk/printk.c:2471)
[  473.158437][ T8108]  __might_resched.cold (kernel/sched/core.c:9234)
[  473.158441][ T8108]  ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3))
[  473.158445][ T8108]  ? __kmalloc_noprof (./include/linux/sched/mm.h:317 mm/slub.c:4636 mm/slub.c:4974 mm/slub.c:5413 mm/slub.c:5439)
[  473.158450][ T8108]  __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))
[  473.158452][ T8108]  ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[  473.158458][ T8108]  ? 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)
[  473.158461][ T8108]  alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[  473.158464][ T8108]  put_chars (drivers/char/virtio_console.c:1176)
[  473.158467][ T8108]  ? __send_to_port (drivers/char/virtio_console.c:654)
[  473.158473][ T8108]  hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2))
[  473.158480][ T8108]  ? hvc_write (drivers/tty/hvc/hvc_console.c:501)
[  473.158484][ T8108]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  473.158488][ T8108]  console_emit_next_record (kernel/printk/printk.c:3183)
[  473.158492][ T8108]  ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20)
[  473.158494][ T8108]  ? 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))
[  473.158497][ T8108]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  473.158500][ T8108]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  473.158504][ T8108]  console_flush_one_record (kernel/printk/printk.c:3268)
[  473.158508][ T8108]  ? console_emit_next_record (kernel/printk/printk.c:3150)
[  473.158510][ T8108]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[  473.158515][ T8108]  console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420)
[  473.158518][ T8108]  ? console_flush_one_record (kernel/printk/printk.c:3316)
[  473.158520][ T8108]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  473.158521][ T8108]  ? 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)
[  473.158525][ T8108]  ? __down_trylock_console_sem (kernel/printk/printk.c:334)
[  473.158527][ T8108]  ? vprintk_emit (kernel/printk/printk.c:2478)
[  473.158529][ T8108]  vprintk_emit (kernel/printk/printk.c:2479)
[  473.158533][ T8108]  ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126))
[  473.158535][ T8108]  ? _mutex_trylock_nest_lock (kernel/locking/mutex.c:1227 (discriminator 6))
[  473.158540][ T8108]  _printk (kernel/printk/printk.c:2504)
[  473.158544][ T8108]  ? snapshot_read.cold (user.c:?)
[  473.158546][ T8108]  ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4116 (discriminator 3) kernel/rcu/tree.c:4108 (discriminator 3))
[  473.158548][ T8108]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380)
[  473.158551][ T8108]  ? validate_chain (kernel/locking/lockdep.c:3817 (discriminator 2) kernel/locking/lockdep.c:3837 (discriminator 2) kernel/locking/lockdep.c:3892 (discriminator 2))
[  473.158553][ T8108]  ? netdev_name (./include/linux/netdevice.h:5709 (discriminator 1))
[  473.158557][ T8108]  ? __netdev_printk (net/core/dev.c:13148 (discriminator 2))
[  473.158559][ T8108]  ? do_setlink.isra.0 (net/core/rtnetlink.c:3246)
[  473.158562][ T8108]  netdev_info (net/core/dev.c:13195 (discriminator 3))
[  473.158564][ T8108]  ? netdev_notice (net/core/dev.c:13194)
[  473.158567][ T8108]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[  473.158570][ T8108]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554)
[  473.158573][ T8108]  ? mark_held_locks (kernel/locking/lockdep.c:4341)
[  473.158576][ T8108]  ? do_setlink.isra.0 (net/core/rtnetlink.c:3246)
[  473.158578][ T8108]  netif_change_name.cold (net/core/dev.c:1507 (discriminator 3))
[  473.158580][ T8108]  ? register_netdev (net/core/dev.c:11618)
[  473.158581][ T8108]  ? 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))
[  473.158586][ T8108]  ? netdev_adjacent_rename_links (net/core/dev.c:9598)
[  473.158589][ T8108]  ? __kernel_text_address (kernel/extable.c:79)
[  473.158591][ T8108]  ? write_profile (profile.c:?)
[  473.158595][ T8108]  ? __asan_memset (mm/kasan/shadow.c:84 (discriminator 1))
[  473.158601][ T8108]  do_setlink.isra.0 (net/core/rtnetlink.c:3246)
[  473.158604][ T8108]  ? stack_trace_save (kernel/stacktrace.c:122 (discriminator 1))
[  473.158607][ T8108]  ? rtnl_link_get_size (net/core/rtnetlink.c:747)
[  473.158608][ T8108]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:388 kernel/rcu/update.c:380)
[  473.158610][ T8108]  ? stack_depot_save_flags (lib/stackdepot.c:609 (discriminator 2) lib/stackdepot.c:676 (discriminator 2))
[  473.158613][ T8108]  ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4116 (discriminator 3) kernel/rcu/tree.c:4108 (discriminator 3))
[  473.158615][ T8108]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380)
[  473.158617][ T8108]  ? validate_chain (kernel/locking/lockdep.c:3817 (discriminator 2) kernel/locking/lockdep.c:3837 (discriminator 2) kernel/locking/lockdep.c:3892 (discriminator 2))
[  473.158619][ T8108]  ? kasan_save_stack (mm/kasan/common.c:58)
[  473.158621][ T8108]  ? kasan_save_stack (mm/kasan/common.c:57)
[  473.158622][ T8108]  ? kasan_save_track (mm/kasan/common.c:78)
[  473.158623][ T8108]  ? __kasan_kmalloc (mm/kasan/common.c:398 mm/kasan/common.c:415)
[  473.158626][ T8108]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[  473.158628][ T8108]  ? snd_ac97_proc_read_main (sound/pci/ac97/ac97_proc.c:320)
[  473.158630][ T8108]  ? ___sys_sendmsg (net/socket.c:2758)
[  473.158634][ T8108]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2))
[  473.158636][ T8108]  ? rtnl_newlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:366 net/core/rtnetlink.c:4214)
[  473.158639][ T8108]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  473.158641][ T8108]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  473.158642][ T8108]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  473.158643][ T8108]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  473.158645][ T8108]  ? trace_contention_end (./include/trace/events/lock.h:121 (discriminator 22))
[  473.158647][ T8108]  ? __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)
[  473.158648][ T8108]  ? __mutex_lock (kernel/locking/mutex.c:656 (discriminator 1) kernel/locking/mutex.c:821 (discriminator 1))
[  473.158653][ T8108]  ? rtnl_newlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:366 net/core/rtnetlink.c:4214)
[  473.158657][ T8108]  ? ww_mutex_lock (kernel/locking/mutex.c:934)
[  473.158659][ T8108]  ? nla_get_range_signed (lib/nlattr.c:270)
[  473.158664][ T8108]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  473.158666][ T8108]  ? __rtnl_newlink (net/core/rtnetlink.c:4063)
[  473.158671][ T8108]  rtnl_newlink (net/core/rtnetlink.c:4215)
[  473.158676][ T8108]  ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558)
[  473.158678][ T8108]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[  473.158682][ T8108]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2))
[  473.158684][ T8108]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[  473.158686][ T8108]  ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558)
[  473.158688][ T8108]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554)
[  473.158692][ T8108]  ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558)
[  473.158694][ T8108]  rtnetlink_rcv_msg (net/core/rtnetlink.c:7132)
[  473.158697][ T8108]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[  473.158698][ T8108]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[  473.158703][ T8108]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2))
[  473.158705][ T8108]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[  473.158708][ T8108]  netlink_rcv_skb (net/netlink/af_netlink.c:2556)
[  473.158711][ T8108]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[  473.158714][ T8108]  ? netlink_ack (./include/linux/skbuff.h:2718)
[  473.158720][ T8108]  ? 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))
[  473.158722][ T8108]  ? 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))
[  473.158726][ T8108]  netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[  473.158730][ T8108]  ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[  473.158733][ T8108]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[  473.158737][ T8108]  netlink_sendmsg (net/netlink/af_netlink.c:1900)
[  473.158741][ T8108]  ? netlink_unicast (./include/net/net_namespace.h:422 (discriminator 7))
[  473.158745][ T8108]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554)
[  473.158746][ T8108]  ? __import_iovec (lib/iov_iter.c:1358 lib/iov_iter.c:1373)
[  473.158752][ T8108]  __sock_sendmsg (net/socket.c:800 (discriminator 4) net/socket.c:815 (discriminator 4))
[  473.158754][ T8108]  ____sys_sendmsg (net/socket.c:2713)
[  473.158757][ T8108]  ? copy_msghdr_from_user (net/socket.c:2650)
[  473.158759][ T8108]  ? sock_write_iter (net/socket.c:1269)
[  473.158760][ T8108]  ? move_addr_to_kernel (net/socket.c:258)
[  473.158767][ T8108]  ___sys_sendmsg (net/socket.c:2767)
[  473.158770][ T8108]  ? copy_msghdr_from_user (net/socket.c:2619)
[  473.158786][ T8108]  __sys_sendmsg (net/socket.c:2799)
[  473.158788][ T8108]  ? __sys_sendmsg_sock (net/socket.c:2780)
[  473.158795][ T8108]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  473.158798][ T8108]  do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84)
[  473.158801][ T8108]  ? exc_page_fault (arch/x86/mm/fault.c:1489 (discriminator 3) arch/x86/mm/fault.c:1536 (discriminator 3))
[  473.158803][ T8108]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[  473.158805][ T8108] RIP: 0033:0x7fa7d960954e
[  473.158809][ T8108] 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
[  473.158811][ T8108] RSP: 002b:00007ffe1a752f40 EFLAGS: 00000202 ORIG_RAX: 000000000000002e
[  473.158814][ T8108] RAX: ffffffffffffffda RBX: 0000000000000005 RCX: 00007fa7d960954e
[  473.158815][ T8108] RDX: 0000000000000000 RSI: 00007ffe1a752ff0 RDI: 0000000000000005
[  473.158816][ T8108] RBP: 00007ffe1a752f50 R08: 0000000000000000 R09: 0000000000000000
[  473.158817][ T8108] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a90fd11
[  473.158818][ T8108] R13: 00000000004a1620 R14: 0000000000000000 R15: 00007ffe1a7536c0
| [  482.370487][ T8244] softirqs last disabled at (18324): netif_change_name (./include/linux/spinlock.h:353 ./include/linux/seqlock.h:908 net/core/dev.c:1499)
| [  482.370490][ T8244] Preemption disabled at:
| [  482.370490][ T8244] vprintk_emit (kernel/printk/printk.c:2471)
| [  482.370499][ T8244] Tainted: [W]=WARN
[  482.370500][ T8244] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[  482.370501][ T8244] Call Trace:
[  482.370503][ T8244]  <TASK>
[  482.370505][ T8244]  dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120)
[  482.370511][ T8244]  ? vprintk_emit (kernel/printk/printk.c:2471)
[  482.370512][ T8244]  __might_resched.cold (kernel/sched/core.c:9234)
[  482.370517][ T8244]  ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3))
[  482.370521][ T8244]  ? __kmalloc_noprof (./include/linux/sched/mm.h:317 mm/slub.c:4636 mm/slub.c:4974 mm/slub.c:5413 mm/slub.c:5439)
[  482.370525][ T8244]  __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))
[  482.370527][ T8244]  ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[  482.370534][ T8244]  ? 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)
[  482.370537][ T8244]  alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[  482.370541][ T8244]  put_chars (drivers/char/virtio_console.c:1176)
[  482.370544][ T8244]  ? __send_to_port (drivers/char/virtio_console.c:654)
[  482.370550][ T8244]  hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2))
[  482.370558][ T8244]  ? hvc_write (drivers/tty/hvc/hvc_console.c:501)
[  482.370561][ T8244]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  482.370566][ T8244]  console_emit_next_record (kernel/printk/printk.c:3183)
[  482.370570][ T8244]  ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20)
[  482.370572][ T8244]  ? 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))
[  482.370576][ T8244]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  482.370578][ T8244]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  482.370582][ T8244]  console_flush_one_record (kernel/printk/printk.c:3268)
[  482.370587][ T8244]  ? console_emit_next_record (kernel/printk/printk.c:3150)
[  482.370589][ T8244]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[  482.370594][ T8244]  console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420)
[  482.370597][ T8244]  ? console_flush_one_record (kernel/printk/printk.c:3316)
[  482.370599][ T8244]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  482.370601][ T8244]  ? 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)
[  482.370605][ T8244]  ? __down_trylock_console_sem (kernel/printk/printk.c:334)
[  482.370607][ T8244]  ? vprintk_emit (kernel/printk/printk.c:2478)
[  482.370610][ T8244]  vprintk_emit (kernel/printk/printk.c:2479)
[  482.370613][ T8244]  ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126))
[  482.370616][ T8244]  ? _mutex_trylock_nest_lock (kernel/locking/mutex.c:1227 (discriminator 6))
[  482.370621][ T8244]  _printk (kernel/printk/printk.c:2504)
[  482.370624][ T8244]  ? snapshot_read.cold (user.c:?)
[  482.370626][ T8244]  ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4116 (discriminator 3) kernel/rcu/tree.c:4108 (discriminator 3))
[  482.370629][ T8244]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380)
[  482.370632][ T8244]  ? validate_chain (kernel/locking/lockdep.c:3817 (discriminator 2) kernel/locking/lockdep.c:3837 (discriminator 2) kernel/locking/lockdep.c:3892 (discriminator 2))
[  482.370634][ T8244]  ? netdev_name (./include/linux/netdevice.h:5709 (discriminator 1))
[  482.370638][ T8244]  ? __netdev_printk (net/core/dev.c:13148 (discriminator 2))
[  482.370641][ T8244]  ? do_setlink.isra.0 (net/core/rtnetlink.c:3246)
[  482.370643][ T8244]  netdev_info (net/core/dev.c:13195 (discriminator 3))
[  482.370646][ T8244]  ? netdev_notice (net/core/dev.c:13194)
[  482.370652][ T8244]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[  482.370655][ T8244]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554)
[  482.370657][ T8244]  ? mark_held_locks (kernel/locking/lockdep.c:4341)
[  482.370661][ T8244]  ? do_setlink.isra.0 (net/core/rtnetlink.c:3246)
[  482.370663][ T8244]  netif_change_name.cold (net/core/dev.c:1507 (discriminator 3))
[  482.370666][ T8244]  ? register_netdev (net/core/dev.c:11618)
[  482.370667][ T8244]  ? 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))
[  482.370673][ T8244]  ? netdev_adjacent_rename_links (net/core/dev.c:9598)
[  482.370675][ T8244]  ? __kernel_text_address (kernel/extable.c:79)
[  482.370678][ T8244]  ? write_profile (profile.c:?)
[  482.370682][ T8244]  ? __asan_memset (mm/kasan/shadow.c:84 (discriminator 1))
[  482.370688][ T8244]  do_setlink.isra.0 (net/core/rtnetlink.c:3246)
[  482.370691][ T8244]  ? stack_trace_save (kernel/stacktrace.c:122 (discriminator 1))
[  482.370693][ T8244]  ? rtnl_link_get_size (net/core/rtnetlink.c:747)
[  482.370695][ T8244]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:388 kernel/rcu/update.c:380)
[  482.370697][ T8244]  ? stack_depot_save_flags (lib/stackdepot.c:609 (discriminator 2) lib/stackdepot.c:676 (discriminator 2))
[  482.370700][ T8244]  ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4116 (discriminator 3) kernel/rcu/tree.c:4108 (discriminator 3))
[  482.370702][ T8244]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380)
[  482.370704][ T8244]  ? validate_chain (kernel/locking/lockdep.c:3817 (discriminator 2) kernel/locking/lockdep.c:3837 (discriminator 2) kernel/locking/lockdep.c:3892 (discriminator 2))
[  482.370707][ T8244]  ? kasan_save_stack (mm/kasan/common.c:58)
[  482.370709][ T8244]  ? kasan_save_stack (mm/kasan/common.c:57)
[  482.370710][ T8244]  ? kasan_save_track (mm/kasan/common.c:78)
[  482.370711][ T8244]  ? __kasan_kmalloc (mm/kasan/common.c:398 mm/kasan/common.c:415)
[  482.370713][ T8244]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[  482.370715][ T8244]  ? snd_ac97_proc_read_main (sound/pci/ac97/ac97_proc.c:320)
[  482.370718][ T8244]  ? ___sys_sendmsg (net/socket.c:2758)
[  482.370722][ T8244]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2))
[  482.370725][ T8244]  ? rtnl_newlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:366 net/core/rtnetlink.c:4214)
[  482.370727][ T8244]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  482.370729][ T8244]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  482.370731][ T8244]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  482.370732][ T8244]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  482.370734][ T8244]  ? trace_contention_end (./include/trace/events/lock.h:121 (discriminator 22))
[  482.370736][ T8244]  ? __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)
[  482.370737][ T8244]  ? __mutex_lock (kernel/locking/mutex.c:656 (discriminator 1) kernel/locking/mutex.c:821 (discriminator 1))
[  482.370739][ T8244]  ? rtnl_newlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:366 net/core/rtnetlink.c:4214)
[  482.370742][ T8244]  ? ww_mutex_lock (kernel/locking/mutex.c:934)
[  482.370744][ T8244]  ? nla_get_range_signed (lib/nlattr.c:270)
[  482.370749][ T8244]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  482.370751][ T8244]  ? __rtnl_newlink (net/core/rtnetlink.c:4063)
[  482.370756][ T8244]  rtnl_newlink (net/core/rtnetlink.c:4215)
[  482.370762][ T8244]  ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558)
[  482.370764][ T8244]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[  482.370768][ T8244]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2))
[  482.370770][ T8244]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[  482.370772][ T8244]  ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558)
[  482.370774][ T8244]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554)
[  482.370778][ T8244]  ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558)
[  482.370780][ T8244]  rtnetlink_rcv_msg (net/core/rtnetlink.c:7132)
[  482.370783][ T8244]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[  482.370785][ T8244]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[  482.370789][ T8244]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2))
[  482.370791][ T8244]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[  482.370795][ T8244]  netlink_rcv_skb (net/netlink/af_netlink.c:2556)
[  482.370798][ T8244]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[  482.370801][ T8244]  ? netlink_ack (./include/linux/skbuff.h:2718)
[  482.370808][ T8244]  ? 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))
[  482.370810][ T8244]  ? 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))
[  482.370814][ T8244]  netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[  482.370819][ T8244]  ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[  482.370821][ T8244]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[  482.370826][ T8244]  netlink_sendmsg (net/netlink/af_netlink.c:1900)
[  482.370830][ T8244]  ? netlink_unicast (./include/net/net_namespace.h:422 (discriminator 7))
[  482.370834][ T8244]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554)
[  482.370835][ T8244]  ? __import_iovec (lib/iov_iter.c:1358 lib/iov_iter.c:1373)
[  482.370841][ T8244]  __sock_sendmsg (net/socket.c:800 (discriminator 4) net/socket.c:815 (discriminator 4))
[  482.370844][ T8244]  ____sys_sendmsg (net/socket.c:2713)
[  482.370846][ T8244]  ? copy_msghdr_from_user (net/socket.c:2650)
[  482.370849][ T8244]  ? sock_write_iter (net/socket.c:1269)
[  482.370850][ T8244]  ? move_addr_to_kernel (net/socket.c:258)
[  482.370858][ T8244]  ___sys_sendmsg (net/socket.c:2767)
[  482.370861][ T8244]  ? copy_msghdr_from_user (net/socket.c:2619)
[  482.370878][ T8244]  __sys_sendmsg (net/socket.c:2799)
[  482.370880][ T8244]  ? __sys_sendmsg_sock (net/socket.c:2780)
[  482.370887][ T8244]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  482.370890][ T8244]  do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84)
[  482.370893][ T8244]  ? exc_page_fault (arch/x86/mm/fault.c:1489 (discriminator 3) arch/x86/mm/fault.c:1536 (discriminator 3))
[  482.370896][ T8244]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[  482.370899][ T8244] RIP: 0033:0x7f673188554e
[  482.370902][ T8244] 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
[  482.370904][ T8244] RSP: 002b:00007ffde7f579d0 EFLAGS: 00000202 ORIG_RAX: 000000000000002e
[  482.370907][ T8244] RAX: ffffffffffffffda RBX: 0000000000000005 RCX: 00007f673188554e
[  482.370908][ T8244] RDX: 0000000000000000 RSI: 00007ffde7f57a80 RDI: 0000000000000005
[  482.370909][ T8244] RBP: 00007ffde7f579e0 R08: 0000000000000000 R09: 0000000000000000
[  482.370910][ T8244] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a90fd1a
[  482.370911][ T8244] R13: 00000000004a1620 R14: 0000000000000000 R15: 00007ffde7f58150
| [  491.704413][ T8380] softirqs last disabled at (24134): netif_change_name (./include/linux/spinlock.h:353 ./include/linux/seqlock.h:908 net/core/dev.c:1499)
| [  491.704416][ T8380] Preemption disabled at:
| [  491.704416][ T8380] vprintk_emit (kernel/printk/printk.c:2471)
| [  491.704424][ T8380] Tainted: [W]=WARN
[  491.704425][ T8380] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[  491.704427][ T8380] Call Trace:
[  491.704429][ T8380]  <TASK>
[  491.704431][ T8380]  dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120)
[  491.704437][ T8380]  ? vprintk_emit (kernel/printk/printk.c:2471)
[  491.704438][ T8380]  __might_resched.cold (kernel/sched/core.c:9234)
[  491.704443][ T8380]  ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3))
[  491.704447][ T8380]  ? __kmalloc_noprof (./include/linux/sched/mm.h:317 mm/slub.c:4636 mm/slub.c:4974 mm/slub.c:5413 mm/slub.c:5439)
[  491.704451][ T8380]  __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))
[  491.704453][ T8380]  ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[  491.704460][ T8380]  ? 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)
[  491.704462][ T8380]  alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[  491.704472][ T8380]  put_chars (drivers/char/virtio_console.c:1176)
[  491.704474][ T8380]  ? __send_to_port (drivers/char/virtio_console.c:654)
[  491.704481][ T8380]  hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2))
[  491.704491][ T8380]  ? hvc_write (drivers/tty/hvc/hvc_console.c:501)
[  491.704496][ T8380]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  491.704502][ T8380]  console_emit_next_record (kernel/printk/printk.c:3183)
[  491.704506][ T8380]  ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20)
[  491.704508][ T8380]  ? 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))
[  491.704511][ T8380]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  491.704514][ T8380]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  491.704518][ T8380]  console_flush_one_record (kernel/printk/printk.c:3268)
[  491.704522][ T8380]  ? console_emit_next_record (kernel/printk/printk.c:3150)
[  491.704524][ T8380]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[  491.704529][ T8380]  console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420)
[  491.704533][ T8380]  ? console_flush_one_record (kernel/printk/printk.c:3316)
[  491.704534][ T8380]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  491.704536][ T8380]  ? 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)
[  491.704540][ T8380]  ? __down_trylock_console_sem (kernel/printk/printk.c:334)
[  491.704542][ T8380]  ? vprintk_emit (kernel/printk/printk.c:2478)
[  491.704544][ T8380]  vprintk_emit (kernel/printk/printk.c:2479)
[  491.704548][ T8380]  ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126))
[  491.704550][ T8380]  ? _mutex_trylock_nest_lock (kernel/locking/mutex.c:1227 (discriminator 6))
[  491.704555][ T8380]  _printk (kernel/printk/printk.c:2504)
[  491.704559][ T8380]  ? snapshot_read.cold (user.c:?)
[  491.704561][ T8380]  ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4116 (discriminator 3) kernel/rcu/tree.c:4108 (discriminator 3))
[  491.704563][ T8380]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380)
[  491.704566][ T8380]  ? validate_chain (kernel/locking/lockdep.c:3817 (discriminator 2) kernel/locking/lockdep.c:3837 (discriminator 2) kernel/locking/lockdep.c:3892 (discriminator 2))
[  491.704568][ T8380]  ? netdev_name (./include/linux/netdevice.h:5709 (discriminator 1))
[  491.704572][ T8380]  ? __netdev_printk (net/core/dev.c:13148 (discriminator 2))
[  491.704575][ T8380]  ? do_setlink.isra.0 (net/core/rtnetlink.c:3246)
[  491.704577][ T8380]  netdev_info (net/core/dev.c:13195 (discriminator 3))
[  491.704580][ T8380]  ? netdev_notice (net/core/dev.c:13194)
[  491.704583][ T8380]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[  491.704586][ T8380]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554)
[  491.704589][ T8380]  ? mark_held_locks (kernel/locking/lockdep.c:4341)
[  491.704592][ T8380]  ? do_setlink.isra.0 (net/core/rtnetlink.c:3246)
[  491.704594][ T8380]  netif_change_name.cold (net/core/dev.c:1507 (discriminator 3))
[  491.704597][ T8380]  ? register_netdev (net/core/dev.c:11618)
[  491.704598][ T8380]  ? 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))
[  491.704603][ T8380]  ? netdev_adjacent_rename_links (net/core/dev.c:9598)
[  491.704606][ T8380]  ? __kernel_text_address (kernel/extable.c:79)
[  491.704609][ T8380]  ? write_profile (profile.c:?)
[  491.704613][ T8380]  ? __asan_memset (mm/kasan/shadow.c:84 (discriminator 1))
[  491.704619][ T8380]  do_setlink.isra.0 (net/core/rtnetlink.c:3246)
[  491.704622][ T8380]  ? stack_trace_save (kernel/stacktrace.c:122 (discriminator 1))
[  491.704624][ T8380]  ? rtnl_link_get_size (net/core/rtnetlink.c:747)
[  491.704625][ T8380]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:388 kernel/rcu/update.c:380)
[  491.704627][ T8380]  ? stack_depot_save_flags (lib/stackdepot.c:609 (discriminator 2) lib/stackdepot.c:676 (discriminator 2))
[  491.704631][ T8380]  ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4116 (discriminator 3) kernel/rcu/tree.c:4108 (discriminator 3))
[  491.704633][ T8380]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380)
[  491.704635][ T8380]  ? validate_chain (kernel/locking/lockdep.c:3817 (discriminator 2) kernel/locking/lockdep.c:3837 (discriminator 2) kernel/locking/lockdep.c:3892 (discriminator 2))
[  491.704637][ T8380]  ? kasan_save_stack (mm/kasan/common.c:58)
[  491.704639][ T8380]  ? kasan_save_stack (mm/kasan/common.c:57)
[  491.704640][ T8380]  ? kasan_save_track (mm/kasan/common.c:78)
[  491.704641][ T8380]  ? __kasan_kmalloc (mm/kasan/common.c:398 mm/kasan/common.c:415)
[  491.704644][ T8380]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[  491.704646][ T8380]  ? snd_ac97_proc_read_main (sound/pci/ac97/ac97_proc.c:320)
[  491.704654][ T8380]  ? ___sys_sendmsg (net/socket.c:2758)
[  491.704659][ T8380]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2))
[  491.704661][ T8380]  ? rtnl_newlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:366 net/core/rtnetlink.c:4214)
[  491.704664][ T8380]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  491.704666][ T8380]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  491.704667][ T8380]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  491.704668][ T8380]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  491.704670][ T8380]  ? trace_contention_end (./include/trace/events/lock.h:121 (discriminator 22))
[  491.704672][ T8380]  ? __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)
[  491.704674][ T8380]  ? __mutex_lock (kernel/locking/mutex.c:656 (discriminator 1) kernel/locking/mutex.c:821 (discriminator 1))
[  491.704676][ T8380]  ? rtnl_newlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:366 net/core/rtnetlink.c:4214)
[  491.704679][ T8380]  ? ww_mutex_lock (kernel/locking/mutex.c:934)
[  491.704680][ T8380]  ? nla_get_range_signed (lib/nlattr.c:270)
[  491.704685][ T8380]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  491.704688][ T8380]  ? __rtnl_newlink (net/core/rtnetlink.c:4063)
[  491.704693][ T8380]  rtnl_newlink (net/core/rtnetlink.c:4215)
[  491.704698][ T8380]  ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558)
[  491.704700][ T8380]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[  491.704705][ T8380]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2))
[  491.704707][ T8380]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[  491.704709][ T8380]  ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558)
[  491.704711][ T8380]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554)
[  491.704714][ T8380]  ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558)
[  491.704717][ T8380]  rtnetlink_rcv_msg (net/core/rtnetlink.c:7132)
[  491.704720][ T8380]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[  491.704721][ T8380]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[  491.704726][ T8380]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2))
[  491.704728][ T8380]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[  491.704731][ T8380]  netlink_rcv_skb (net/netlink/af_netlink.c:2556)
[  491.704734][ T8380]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[  491.704737][ T8380]  ? netlink_ack (./include/linux/skbuff.h:2718)
[  491.704744][ T8380]  ? 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))
[  491.704746][ T8380]  ? 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))
[  491.704751][ T8380]  netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[  491.704755][ T8380]  ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[  491.704757][ T8380]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[  491.704762][ T8380]  netlink_sendmsg (net/netlink/af_netlink.c:1900)
[  491.704766][ T8380]  ? netlink_unicast (./include/net/net_namespace.h:422 (discriminator 7))
[  491.704769][ T8380]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554)
[  491.704771][ T8380]  ? __import_iovec (lib/iov_iter.c:1358 lib/iov_iter.c:1373)
[  491.704776][ T8380]  __sock_sendmsg (net/socket.c:800 (discriminator 4) net/socket.c:815 (discriminator 4))
[  491.704779][ T8380]  ____sys_sendmsg (net/socket.c:2713)
[  491.704781][ T8380]  ? copy_msghdr_from_user (net/socket.c:2650)
[  491.704784][ T8380]  ? sock_write_iter (net/socket.c:1269)
[  491.704785][ T8380]  ? move_addr_to_kernel (net/socket.c:258)
[  491.704797][ T8380]  ___sys_sendmsg (net/socket.c:2767)
[  491.704800][ T8380]  ? copy_msghdr_from_user (net/socket.c:2619)
[  491.704816][ T8380]  __sys_sendmsg (net/socket.c:2799)
[  491.704819][ T8380]  ? __sys_sendmsg_sock (net/socket.c:2780)
[  491.704826][ T8380]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  491.704829][ T8380]  do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84)
[  491.704832][ T8380]  ? exc_page_fault (arch/x86/mm/fault.c:1489 (discriminator 3) arch/x86/mm/fault.c:1536 (discriminator 3))
[  491.704835][ T8380]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[  491.704837][ T8380] RIP: 0033:0x7f4c5750254e
[  491.704841][ T8380] 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
[  491.704843][ T8380] RSP: 002b:00007fffba79c380 EFLAGS: 00000202 ORIG_RAX: 000000000000002e
[  491.704846][ T8380] RAX: ffffffffffffffda RBX: 0000000000000005 RCX: 00007f4c5750254e
[  491.704848][ T8380] RDX: 0000000000000000 RSI: 00007fffba79c430 RDI: 0000000000000005
[  491.704848][ T8380] RBP: 00007fffba79c390 R08: 0000000000000000 R09: 0000000000000000
[  491.704849][ T8380] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a90fd24
[  491.704850][ T8380] R13: 00000000004a1620 R14: 0000000000000000 R15: 00007fffba79cb00
| [  501.355640][ T8523] softirqs last disabled at (23378): netif_change_name (./include/linux/spinlock.h:353 ./include/linux/seqlock.h:908 net/core/dev.c:1499)
| [  501.355642][ T8523] Preemption disabled at:
| [  501.355643][ T8523] vprintk_emit (kernel/printk/printk.c:2471)
| [  501.355656][ T8523] Tainted: [W]=WARN
[  501.355658][ T8523] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[  501.355660][ T8523] Call Trace:
[  501.355662][ T8523]  <TASK>
[  501.355664][ T8523]  dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120)
[  501.355670][ T8523]  ? vprintk_emit (kernel/printk/printk.c:2471)
[  501.355671][ T8523]  __might_resched.cold (kernel/sched/core.c:9234)
[  501.355676][ T8523]  ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3))
[  501.355680][ T8523]  ? __kmalloc_noprof (./include/linux/sched/mm.h:317 mm/slub.c:4636 mm/slub.c:4974 mm/slub.c:5413 mm/slub.c:5439)
[  501.355685][ T8523]  __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))
[  501.355687][ T8523]  ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[  501.355694][ T8523]  ? 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)
[  501.355696][ T8523]  alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[  501.355700][ T8523]  put_chars (drivers/char/virtio_console.c:1176)
[  501.355703][ T8523]  ? __send_to_port (drivers/char/virtio_console.c:654)
[  501.355709][ T8523]  hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2))
[  501.355720][ T8523]  ? hvc_write (drivers/tty/hvc/hvc_console.c:501)
[  501.355723][ T8523]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  501.355728][ T8523]  console_emit_next_record (kernel/printk/printk.c:3183)
[  501.355732][ T8523]  ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20)
[  501.355734][ T8523]  ? 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))
[  501.355738][ T8523]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  501.355741][ T8523]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  501.355745][ T8523]  console_flush_one_record (kernel/printk/printk.c:3268)
[  501.355749][ T8523]  ? console_emit_next_record (kernel/printk/printk.c:3150)
[  501.355752][ T8523]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[  501.355757][ T8523]  console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420)
[  501.355761][ T8523]  ? console_flush_one_record (kernel/printk/printk.c:3316)
[  501.355765][ T8523]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  501.355767][ T8523]  ? 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)
[  501.355771][ T8523]  ? __down_trylock_console_sem (kernel/printk/printk.c:334)
[  501.355773][ T8523]  ? vprintk_emit (kernel/printk/printk.c:2478)
[  501.355776][ T8523]  vprintk_emit (kernel/printk/printk.c:2479)
[  501.355779][ T8523]  ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126))
[  501.355782][ T8523]  ? _mutex_trylock_nest_lock (kernel/locking/mutex.c:1227 (discriminator 6))
[  501.355787][ T8523]  _printk (kernel/printk/printk.c:2504)
[  501.355791][ T8523]  ? snapshot_read.cold (user.c:?)
[  501.355793][ T8523]  ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4116 (discriminator 3) kernel/rcu/tree.c:4108 (discriminator 3))
[  501.355795][ T8523]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380)
[  501.355798][ T8523]  ? validate_chain (kernel/locking/lockdep.c:3817 (discriminator 2) kernel/locking/lockdep.c:3837 (discriminator 2) kernel/locking/lockdep.c:3892 (discriminator 2))
[  501.355800][ T8523]  ? netdev_name (./include/linux/netdevice.h:5709 (discriminator 1))
[  501.355806][ T8523]  ? __netdev_printk (net/core/dev.c:13148 (discriminator 2))
[  501.355811][ T8523]  ? do_setlink.isra.0 (net/core/rtnetlink.c:3246)
[  501.355813][ T8523]  netdev_info (net/core/dev.c:13195 (discriminator 3))
[  501.355816][ T8523]  ? netdev_notice (net/core/dev.c:13194)
[  501.355819][ T8523]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[  501.355822][ T8523]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554)
[  501.355825][ T8523]  ? mark_held_locks (kernel/locking/lockdep.c:4341)
[  501.355828][ T8523]  ? do_setlink.isra.0 (net/core/rtnetlink.c:3246)
[  501.355830][ T8523]  netif_change_name.cold (net/core/dev.c:1507 (discriminator 3))
[  501.355833][ T8523]  ? register_netdev (net/core/dev.c:11618)
[  501.355834][ T8523]  ? 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))
[  501.355840][ T8523]  ? netdev_adjacent_rename_links (net/core/dev.c:9598)
[  501.355842][ T8523]  ? __kernel_text_address (kernel/extable.c:79)
[  501.355845][ T8523]  ? write_profile (profile.c:?)
[  501.355850][ T8523]  ? __asan_memset (mm/kasan/shadow.c:84 (discriminator 1))
[  501.355858][ T8523]  do_setlink.isra.0 (net/core/rtnetlink.c:3246)
[  501.355862][ T8523]  ? stack_trace_save (kernel/stacktrace.c:122 (discriminator 1))
[  501.355864][ T8523]  ? rtnl_link_get_size (net/core/rtnetlink.c:747)
[  501.355866][ T8523]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:388 kernel/rcu/update.c:380)
[  501.355868][ T8523]  ? stack_depot_save_flags (lib/stackdepot.c:609 (discriminator 2) lib/stackdepot.c:676 (discriminator 2))
[  501.355871][ T8523]  ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4116 (discriminator 3) kernel/rcu/tree.c:4108 (discriminator 3))
[  501.355873][ T8523]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380)
[  501.355875][ T8523]  ? validate_chain (kernel/locking/lockdep.c:3817 (discriminator 2) kernel/locking/lockdep.c:3837 (discriminator 2) kernel/locking/lockdep.c:3892 (discriminator 2))
[  501.355878][ T8523]  ? kasan_save_stack (mm/kasan/common.c:58)
[  501.355879][ T8523]  ? kasan_save_stack (mm/kasan/common.c:57)
[  501.355881][ T8523]  ? kasan_save_track (mm/kasan/common.c:78)
[  501.355882][ T8523]  ? __kasan_kmalloc (mm/kasan/common.c:398 mm/kasan/common.c:415)
[  501.355884][ T8523]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[  501.355886][ T8523]  ? snd_ac97_proc_read_main (sound/pci/ac97/ac97_proc.c:320)
[  501.355890][ T8523]  ? ___sys_sendmsg (net/socket.c:2758)
[  501.355894][ T8523]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2))
[  501.355896][ T8523]  ? rtnl_newlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:366 net/core/rtnetlink.c:4214)
[  501.355898][ T8523]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  501.355900][ T8523]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  501.355902][ T8523]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  501.355903][ T8523]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  501.355905][ T8523]  ? trace_contention_end (./include/trace/events/lock.h:121 (discriminator 22))
[  501.355909][ T8523]  ? __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)
[  501.355911][ T8523]  ? __mutex_lock (kernel/locking/mutex.c:656 (discriminator 1) kernel/locking/mutex.c:821 (discriminator 1))
[  501.355913][ T8523]  ? rtnl_newlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:366 net/core/rtnetlink.c:4214)
[  501.355917][ T8523]  ? ww_mutex_lock (kernel/locking/mutex.c:934)
[  501.355918][ T8523]  ? nla_get_range_signed (lib/nlattr.c:270)
[  501.355923][ T8523]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  501.355926][ T8523]  ? __rtnl_newlink (net/core/rtnetlink.c:4063)
[  501.355931][ T8523]  rtnl_newlink (net/core/rtnetlink.c:4215)
[  501.355937][ T8523]  ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558)
[  501.355939][ T8523]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[  501.355943][ T8523]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2))
[  501.355945][ T8523]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[  501.355947][ T8523]  ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558)
[  501.355949][ T8523]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554)
[  501.355955][ T8523]  ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558)
[  501.355959][ T8523]  rtnetlink_rcv_msg (net/core/rtnetlink.c:7132)
[  501.355962][ T8523]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[  501.355964][ T8523]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[  501.355968][ T8523]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2))
[  501.355971][ T8523]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[  501.355974][ T8523]  netlink_rcv_skb (net/netlink/af_netlink.c:2556)
[  501.355977][ T8523]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[  501.355980][ T8523]  ? netlink_ack (./include/linux/skbuff.h:2718)
[  501.355987][ T8523]  ? 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))
[  501.355989][ T8523]  ? 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))
[  501.355994][ T8523]  netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[  501.355999][ T8523]  ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[  501.356003][ T8523]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[  501.356008][ T8523]  netlink_sendmsg (net/netlink/af_netlink.c:1900)
[  501.356013][ T8523]  ? netlink_unicast (./include/net/net_namespace.h:422 (discriminator 7))
[  501.356017][ T8523]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554)
[  501.356018][ T8523]  ? __import_iovec (lib/iov_iter.c:1358 lib/iov_iter.c:1373)
[  501.356024][ T8523]  __sock_sendmsg (net/socket.c:800 (discriminator 4) net/socket.c:815 (discriminator 4))
[  501.356027][ T8523]  ____sys_sendmsg (net/socket.c:2713)
[  501.356029][ T8523]  ? copy_msghdr_from_user (net/socket.c:2650)
[  501.356032][ T8523]  ? sock_write_iter (net/socket.c:1269)
[  501.356033][ T8523]  ? move_addr_to_kernel (net/socket.c:258)
[  501.356041][ T8523]  ___sys_sendmsg (net/socket.c:2767)
[  501.356044][ T8523]  ? copy_msghdr_from_user (net/socket.c:2619)
[  501.356064][ T8523]  __sys_sendmsg (net/socket.c:2799)
[  501.356067][ T8523]  ? __sys_sendmsg_sock (net/socket.c:2780)
[  501.356074][ T8523]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  501.356077][ T8523]  do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84)
[  501.356080][ T8523]  ? exc_page_fault (arch/x86/mm/fault.c:1489 (discriminator 3) arch/x86/mm/fault.c:1536 (discriminator 3))
[  501.356083][ T8523]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[  501.356086][ T8523] RIP: 0033:0x7f9757cde54e
[  501.356090][ T8523] 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
[  501.356092][ T8523] RSP: 002b:00007ffd84ebd070 EFLAGS: 00000202 ORIG_RAX: 000000000000002e
[  501.356095][ T8523] RAX: ffffffffffffffda RBX: 0000000000000005 RCX: 00007f9757cde54e
[  501.356096][ T8523] RDX: 0000000000000000 RSI: 00007ffd84ebd120 RDI: 0000000000000005
[  501.356097][ T8523] RBP: 00007ffd84ebd080 R08: 0000000000000000 R09: 0000000000000000
[  501.356098][ T8523] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a90fd2d
[  501.356099][ T8523] R13: 00000000004a1620 R14: 0000000000000000 R15: 00007ffd84ebd7f0
| [  510.778079][ T8666] softirqs last disabled at (23150): netif_change_name (./include/linux/spinlock.h:353 ./include/linux/seqlock.h:908 net/core/dev.c:1499)
| [  510.778083][ T8666] Preemption disabled at:
| [  510.778083][ T8666] vprintk_emit (kernel/printk/printk.c:2471)
| [  510.778094][ T8666] Tainted: [W]=WARN
[  510.778095][ T8666] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[  510.778098][ T8666] Call Trace:
[  510.778099][ T8666]  <TASK>
[  510.778102][ T8666]  dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120)
[  510.778109][ T8666]  ? vprintk_emit (kernel/printk/printk.c:2471)
[  510.778111][ T8666]  __might_resched.cold (kernel/sched/core.c:9234)
[  510.778117][ T8666]  ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3))
[  510.778123][ T8666]  ? __kmalloc_noprof (./include/linux/sched/mm.h:317 mm/slub.c:4636 mm/slub.c:4974 mm/slub.c:5413 mm/slub.c:5439)
[  510.778129][ T8666]  __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))
[  510.778132][ T8666]  ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[  510.778142][ T8666]  ? 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)
[  510.778145][ T8666]  alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[  510.778151][ T8666]  put_chars (drivers/char/virtio_console.c:1176)
[  510.778155][ T8666]  ? __send_to_port (drivers/char/virtio_console.c:654)
[  510.778166][ T8666]  hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2))
[  510.778178][ T8666]  ? hvc_write (drivers/tty/hvc/hvc_console.c:501)
[  510.778183][ T8666]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  510.778190][ T8666]  console_emit_next_record (kernel/printk/printk.c:3183)
[  510.778197][ T8666]  ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20)
[  510.778199][ T8666]  ? 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))
[  510.778205][ T8666]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  510.778209][ T8666]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  510.778215][ T8666]  console_flush_one_record (kernel/printk/printk.c:3268)
[  510.778222][ T8666]  ? console_emit_next_record (kernel/printk/printk.c:3150)
[  510.778225][ T8666]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[  510.778234][ T8666]  console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420)
[  510.778239][ T8666]  ? console_flush_one_record (kernel/printk/printk.c:3316)
[  510.778241][ T8666]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  510.778244][ T8666]  ? 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)
[  510.778250][ T8666]  ? __down_trylock_console_sem (kernel/printk/printk.c:334)
[  510.778253][ T8666]  ? vprintk_emit (kernel/printk/printk.c:2478)
[  510.778257][ T8666]  vprintk_emit (kernel/printk/printk.c:2479)
[  510.778263][ T8666]  ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126))
[  510.778267][ T8666]  ? _mutex_trylock_nest_lock (kernel/locking/mutex.c:1227 (discriminator 6))
[  510.778275][ T8666]  _printk (kernel/printk/printk.c:2504)
[  510.778280][ T8666]  ? snapshot_read.cold (user.c:?)
[  510.778283][ T8666]  ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4116 (discriminator 3) kernel/rcu/tree.c:4108 (discriminator 3))
[  510.778287][ T8666]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380)
[  510.778291][ T8666]  ? validate_chain (kernel/locking/lockdep.c:3817 (discriminator 2) kernel/locking/lockdep.c:3837 (discriminator 2) kernel/locking/lockdep.c:3892 (discriminator 2))
[  510.778294][ T8666]  ? netdev_name (./include/linux/netdevice.h:5709 (discriminator 1))
[  510.778299][ T8666]  ? __netdev_printk (net/core/dev.c:13148 (discriminator 2))
[  510.778303][ T8666]  ? do_setlink.isra.0 (net/core/rtnetlink.c:3246)
[  510.778306][ T8666]  netdev_info (net/core/dev.c:13195 (discriminator 3))
[  510.778310][ T8666]  ? netdev_notice (net/core/dev.c:13194)
[  510.778315][ T8666]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[  510.778319][ T8666]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554)
[  510.778323][ T8666]  ? mark_held_locks (kernel/locking/lockdep.c:4341)
[  510.778329][ T8666]  ? do_setlink.isra.0 (net/core/rtnetlink.c:3246)
[  510.778332][ T8666]  netif_change_name.cold (net/core/dev.c:1507 (discriminator 3))
[  510.778335][ T8666]  ? register_netdev (net/core/dev.c:11618)
[  510.778337][ T8666]  ? 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))
[  510.778345][ T8666]  ? netdev_adjacent_rename_links (net/core/dev.c:9598)
[  510.778349][ T8666]  ? __kernel_text_address (kernel/extable.c:79)
[  510.778352][ T8666]  ? write_profile (profile.c:?)
[  510.778358][ T8666]  ? __asan_memset (mm/kasan/shadow.c:84 (discriminator 1))
[  510.778367][ T8666]  do_setlink.isra.0 (net/core/rtnetlink.c:3246)
[  510.778373][ T8666]  ? stack_trace_save (kernel/stacktrace.c:122 (discriminator 1))
[  510.778376][ T8666]  ? rtnl_link_get_size (net/core/rtnetlink.c:747)
[  510.778378][ T8666]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:388 kernel/rcu/update.c:380)
[  510.778381][ T8666]  ? stack_depot_save_flags (lib/stackdepot.c:609 (discriminator 2) lib/stackdepot.c:676 (discriminator 2))
[  510.778386][ T8666]  ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4116 (discriminator 3) kernel/rcu/tree.c:4108 (discriminator 3))
[  510.778389][ T8666]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380)
[  510.778392][ T8666]  ? validate_chain (kernel/locking/lockdep.c:3817 (discriminator 2) kernel/locking/lockdep.c:3837 (discriminator 2) kernel/locking/lockdep.c:3892 (discriminator 2))
[  510.778396][ T8666]  ? kasan_save_stack (mm/kasan/common.c:58)
[  510.778398][ T8666]  ? kasan_save_stack (mm/kasan/common.c:57)
[  510.778400][ T8666]  ? kasan_save_track (mm/kasan/common.c:78)
[  510.778402][ T8666]  ? __kasan_kmalloc (mm/kasan/common.c:398 mm/kasan/common.c:415)
[  510.778406][ T8666]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[  510.778409][ T8666]  ? snd_ac97_proc_read_main (sound/pci/ac97/ac97_proc.c:320)
[  510.778413][ T8666]  ? ___sys_sendmsg (net/socket.c:2758)
[  510.778419][ T8666]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2))
[  510.778422][ T8666]  ? rtnl_newlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:366 net/core/rtnetlink.c:4214)
[  510.778427][ T8666]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  510.778429][ T8666]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  510.778432][ T8666]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  510.778433][ T8666]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  510.778436][ T8666]  ? trace_contention_end (./include/trace/events/lock.h:121 (discriminator 22))
[  510.778440][ T8666]  ? __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)
[  510.778442][ T8666]  ? __mutex_lock (kernel/locking/mutex.c:656 (discriminator 1) kernel/locking/mutex.c:821 (discriminator 1))
[  510.778445][ T8666]  ? rtnl_newlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:366 net/core/rtnetlink.c:4214)
[  510.778451][ T8666]  ? ww_mutex_lock (kernel/locking/mutex.c:934)
[  510.778452][ T8666]  ? nla_get_range_signed (lib/nlattr.c:270)
[  510.778459][ T8666]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  510.778463][ T8666]  ? __rtnl_newlink (net/core/rtnetlink.c:4063)
[  510.778472][ T8666]  rtnl_newlink (net/core/rtnetlink.c:4215)
[  510.778481][ T8666]  ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558)
[  510.778484][ T8666]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[  510.778492][ T8666]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2))
[  510.778495][ T8666]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[  510.778498][ T8666]  ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558)
[  510.778501][ T8666]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554)
[  510.778507][ T8666]  ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558)
[  510.778510][ T8666]  rtnetlink_rcv_msg (net/core/rtnetlink.c:7132)
[  510.778515][ T8666]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[  510.778517][ T8666]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[  510.778524][ T8666]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2))
[  510.778527][ T8666]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[  510.778533][ T8666]  netlink_rcv_skb (net/netlink/af_netlink.c:2556)
[  510.778536][ T8666]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[  510.778541][ T8666]  ? netlink_ack (./include/linux/skbuff.h:2718)
[  510.778552][ T8666]  ? 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))
[  510.778555][ T8666]  ? 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))
[  510.778562][ T8666]  netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[  510.778568][ T8666]  ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[  510.778572][ T8666]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[  510.778580][ T8666]  netlink_sendmsg (net/netlink/af_netlink.c:1900)
[  510.778592][ T8666]  ? netlink_unicast (./include/net/net_namespace.h:422 (discriminator 7))
[  510.778598][ T8666]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554)
[  510.778601][ T8666]  ? __import_iovec (lib/iov_iter.c:1358 lib/iov_iter.c:1373)
[  510.778608][ T8666]  __sock_sendmsg (net/socket.c:800 (discriminator 4) net/socket.c:815 (discriminator 4))
[  510.778613][ T8666]  ____sys_sendmsg (net/socket.c:2713)
[  510.778616][ T8666]  ? copy_msghdr_from_user (net/socket.c:2650)
[  510.778620][ T8666]  ? sock_write_iter (net/socket.c:1269)
[  510.778622][ T8666]  ? move_addr_to_kernel (net/socket.c:258)
[  510.778635][ T8666]  ___sys_sendmsg (net/socket.c:2767)
[  510.778640][ T8666]  ? copy_msghdr_from_user (net/socket.c:2619)
[  510.778671][ T8666]  __sys_sendmsg (net/socket.c:2799)
[  510.778675][ T8666]  ? __sys_sendmsg_sock (net/socket.c:2780)
[  510.778686][ T8666]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  510.778691][ T8666]  do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84)
[  510.778695][ T8666]  ? exc_page_fault (arch/x86/mm/fault.c:1489 (discriminator 3) arch/x86/mm/fault.c:1536 (discriminator 3))
[  510.778699][ T8666]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[  510.778703][ T8666] RIP: 0033:0x7febe858654e
[  510.778707][ T8666] 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
[  510.778710][ T8666] RSP: 002b:00007ffe27f11350 EFLAGS: 00000202 ORIG_RAX: 000000000000002e
[  510.778713][ T8666] RAX: ffffffffffffffda RBX: 0000000000000005 RCX: 00007febe858654e
[  510.778715][ T8666] RDX: 0000000000000000 RSI: 00007ffe27f11400 RDI: 0000000000000005
[  510.778716][ T8666] RBP: 00007ffe27f11360 R08: 0000000000000000 R09: 0000000000000000
[  510.778718][ T8666] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a90fd37
[  510.778719][ T8666] R13: 00000000004a1620 R14: 0000000000000000 R15: 00007ffe27f11ad0
| [  519.825219][ T8809] softirqs last disabled at (20098): netif_change_name (./include/linux/spinlock.h:353 ./include/linux/seqlock.h:908 net/core/dev.c:1499)
| [  519.825221][ T8809] Preemption disabled at:
| [  519.825222][ T8809] vprintk_emit (kernel/printk/printk.c:2471)
| [  519.825231][ T8809] Tainted: [W]=WARN
[  519.825232][ T8809] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[  519.825233][ T8809] Call Trace:
[  519.825235][ T8809]  <TASK>
[  519.825237][ T8809]  dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120)
[  519.825243][ T8809]  ? vprintk_emit (kernel/printk/printk.c:2471)
[  519.825244][ T8809]  __might_resched.cold (kernel/sched/core.c:9234)
[  519.825249][ T8809]  ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3))
[  519.825253][ T8809]  ? __kmalloc_noprof (./include/linux/sched/mm.h:317 mm/slub.c:4636 mm/slub.c:4974 mm/slub.c:5413 mm/slub.c:5439)
[  519.825258][ T8809]  __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))
[  519.825259][ T8809]  ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[  519.825266][ T8809]  ? 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)
[  519.825269][ T8809]  alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[  519.825273][ T8809]  put_chars (drivers/char/virtio_console.c:1176)
[  519.825275][ T8809]  ? __send_to_port (drivers/char/virtio_console.c:654)
[  519.825282][ T8809]  hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2))
[  519.825290][ T8809]  ? hvc_write (drivers/tty/hvc/hvc_console.c:501)
[  519.825293][ T8809]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  519.825298][ T8809]  console_emit_next_record (kernel/printk/printk.c:3183)
[  519.825302][ T8809]  ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20)
[  519.825304][ T8809]  ? 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))
[  519.825307][ T8809]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  519.825310][ T8809]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  519.825314][ T8809]  console_flush_one_record (kernel/printk/printk.c:3268)
[  519.825318][ T8809]  ? console_emit_next_record (kernel/printk/printk.c:3150)
[  519.825320][ T8809]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[  519.825325][ T8809]  console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420)
[  519.825328][ T8809]  ? console_flush_one_record (kernel/printk/printk.c:3316)
[  519.825330][ T8809]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  519.825332][ T8809]  ? 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)
[  519.825336][ T8809]  ? __down_trylock_console_sem (kernel/printk/printk.c:334)
[  519.825337][ T8809]  ? vprintk_emit (kernel/printk/printk.c:2478)
[  519.825340][ T8809]  vprintk_emit (kernel/printk/printk.c:2479)
[  519.825343][ T8809]  ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126))
[  519.825346][ T8809]  ? _mutex_trylock_nest_lock (kernel/locking/mutex.c:1227 (discriminator 6))
[  519.825351][ T8809]  _printk (kernel/printk/printk.c:2504)
[  519.825355][ T8809]  ? snapshot_read.cold (user.c:?)
[  519.825357][ T8809]  ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4116 (discriminator 3) kernel/rcu/tree.c:4108 (discriminator 3))
[  519.825359][ T8809]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380)
[  519.825362][ T8809]  ? validate_chain (kernel/locking/lockdep.c:3817 (discriminator 2) kernel/locking/lockdep.c:3837 (discriminator 2) kernel/locking/lockdep.c:3892 (discriminator 2))
[  519.825364][ T8809]  ? netdev_name (./include/linux/netdevice.h:5709 (discriminator 1))
[  519.825368][ T8809]  ? __netdev_printk (net/core/dev.c:13148 (discriminator 2))
[  519.825371][ T8809]  ? do_setlink.isra.0 (net/core/rtnetlink.c:3246)
[  519.825373][ T8809]  netdev_info (net/core/dev.c:13195 (discriminator 3))
[  519.825376][ T8809]  ? netdev_notice (net/core/dev.c:13194)
[  519.825379][ T8809]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[  519.825382][ T8809]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554)
[  519.825385][ T8809]  ? mark_held_locks (kernel/locking/lockdep.c:4341)
[  519.825388][ T8809]  ? do_setlink.isra.0 (net/core/rtnetlink.c:3246)
[  519.825390][ T8809]  netif_change_name.cold (net/core/dev.c:1507 (discriminator 3))
[  519.825392][ T8809]  ? register_netdev (net/core/dev.c:11618)
[  519.825394][ T8809]  ? 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))
[  519.825399][ T8809]  ? netdev_adjacent_rename_links (net/core/dev.c:9598)
[  519.825402][ T8809]  ? __kernel_text_address (kernel/extable.c:79)
[  519.825404][ T8809]  ? write_profile (profile.c:?)
[  519.825408][ T8809]  ? __asan_memset (mm/kasan/shadow.c:84 (discriminator 1))
[  519.825414][ T8809]  do_setlink.isra.0 (net/core/rtnetlink.c:3246)
[  519.825418][ T8809]  ? stack_trace_save (kernel/stacktrace.c:122 (discriminator 1))
[  519.825420][ T8809]  ? rtnl_link_get_size (net/core/rtnetlink.c:747)
[  519.825421][ T8809]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:388 kernel/rcu/update.c:380)
[  519.825423][ T8809]  ? stack_depot_save_flags (lib/stackdepot.c:609 (discriminator 2) lib/stackdepot.c:676 (discriminator 2))
[  519.825426][ T8809]  ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4116 (discriminator 3) kernel/rcu/tree.c:4108 (discriminator 3))
[  519.825428][ T8809]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380)
[  519.825430][ T8809]  ? validate_chain (kernel/locking/lockdep.c:3817 (discriminator 2) kernel/locking/lockdep.c:3837 (discriminator 2) kernel/locking/lockdep.c:3892 (discriminator 2))
[  519.825433][ T8809]  ? kasan_save_stack (mm/kasan/common.c:58)
[  519.825434][ T8809]  ? kasan_save_stack (mm/kasan/common.c:57)
[  519.825436][ T8809]  ? kasan_save_track (mm/kasan/common.c:78)
[  519.825437][ T8809]  ? __kasan_kmalloc (mm/kasan/common.c:398 mm/kasan/common.c:415)
[  519.825439][ T8809]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[  519.825441][ T8809]  ? snd_ac97_proc_read_main (sound/pci/ac97/ac97_proc.c:320)
[  519.825444][ T8809]  ? ___sys_sendmsg (net/socket.c:2758)
[  519.825448][ T8809]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2))
[  519.825450][ T8809]  ? rtnl_newlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:366 net/core/rtnetlink.c:4214)
[  519.825453][ T8809]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  519.825455][ T8809]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  519.825456][ T8809]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  519.825457][ T8809]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  519.825459][ T8809]  ? trace_contention_end (./include/trace/events/lock.h:121 (discriminator 22))
[  519.825461][ T8809]  ? __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)
[  519.825463][ T8809]  ? __mutex_lock (kernel/locking/mutex.c:656 (discriminator 1) kernel/locking/mutex.c:821 (discriminator 1))
[  519.825465][ T8809]  ? rtnl_newlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:366 net/core/rtnetlink.c:4214)
[  519.825468][ T8809]  ? ww_mutex_lock (kernel/locking/mutex.c:934)
[  519.825469][ T8809]  ? nla_get_range_signed (lib/nlattr.c:270)
[  519.825474][ T8809]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  519.825477][ T8809]  ? __rtnl_newlink (net/core/rtnetlink.c:4063)
[  519.825482][ T8809]  rtnl_newlink (net/core/rtnetlink.c:4215)
[  519.825487][ T8809]  ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558)
[  519.825489][ T8809]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[  519.825494][ T8809]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2))
[  519.825496][ T8809]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[  519.825498][ T8809]  ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558)
[  519.825500][ T8809]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554)
[  519.825503][ T8809]  ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558)
[  519.825505][ T8809]  rtnetlink_rcv_msg (net/core/rtnetlink.c:7132)
[  519.825509][ T8809]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[  519.825510][ T8809]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[  519.825514][ T8809]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2))
[  519.825516][ T8809]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[  519.825520][ T8809]  netlink_rcv_skb (net/netlink/af_netlink.c:2556)
[  519.825523][ T8809]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[  519.825526][ T8809]  ? netlink_ack (./include/linux/skbuff.h:2718)
[  519.825532][ T8809]  ? 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))
[  519.825535][ T8809]  ? 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))
[  519.825539][ T8809]  netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[  519.825543][ T8809]  ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[  519.825546][ T8809]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[  519.825550][ T8809]  netlink_sendmsg (net/netlink/af_netlink.c:1900)
[  519.825554][ T8809]  ? netlink_unicast (./include/net/net_namespace.h:422 (discriminator 7))
[  519.825558][ T8809]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554)
[  519.825560][ T8809]  ? __import_iovec (lib/iov_iter.c:1358 lib/iov_iter.c:1373)
[  519.825565][ T8809]  __sock_sendmsg (net/socket.c:800 (discriminator 4) net/socket.c:815 (discriminator 4))
[  519.825568][ T8809]  ____sys_sendmsg (net/socket.c:2713)
[  519.825570][ T8809]  ? copy_msghdr_from_user (net/socket.c:2650)
[  519.825573][ T8809]  ? sock_write_iter (net/socket.c:1269)
[  519.825574][ T8809]  ? move_addr_to_kernel (net/socket.c:258)
[  519.825582][ T8809]  ___sys_sendmsg (net/socket.c:2767)
[  519.825584][ T8809]  ? copy_msghdr_from_user (net/socket.c:2619)
[  519.825601][ T8809]  __sys_sendmsg (net/socket.c:2799)
[  519.825603][ T8809]  ? __sys_sendmsg_sock (net/socket.c:2780)
[  519.825610][ T8809]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  519.825613][ T8809]  do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84)
[  519.825616][ T8809]  ? exc_page_fault (arch/x86/mm/fault.c:1489 (discriminator 3) arch/x86/mm/fault.c:1536 (discriminator 3))
[  519.825619][ T8809]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[  519.825621][ T8809] RIP: 0033:0x7fdeb9a8e54e
[  519.825625][ T8809] 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
[  519.825627][ T8809] RSP: 002b:00007ffdddf56350 EFLAGS: 00000202 ORIG_RAX: 000000000000002e
[  519.825629][ T8809] RAX: ffffffffffffffda RBX: 0000000000000005 RCX: 00007fdeb9a8e54e
[  519.825631][ T8809] RDX: 0000000000000000 RSI: 00007ffdddf56400 RDI: 0000000000000005
[  519.825631][ T8809] RBP: 00007ffdddf56360 R08: 0000000000000000 R09: 0000000000000000
[  519.825632][ T8809] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a90fd40
[  519.825633][ T8809] R13: 00000000004a1620 R14: 0000000000000000 R15: 00007ffdddf56ad0
| [  528.801341][ T8952] softirqs last disabled at (24058): netif_change_name (./include/linux/spinlock.h:353 ./include/linux/seqlock.h:908 net/core/dev.c:1499)
| [  528.801343][ T8952] Preemption disabled at:
| [  528.801344][ T8952] vprintk_emit (kernel/printk/printk.c:2471)
| [  528.801353][ T8952] Tainted: [W]=WARN
[  528.801354][ T8952] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[  528.801356][ T8952] Call Trace:
[  528.801358][ T8952]  <TASK>
[  528.801359][ T8952]  dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120)
[  528.801366][ T8952]  ? vprintk_emit (kernel/printk/printk.c:2471)
[  528.801367][ T8952]  __might_resched.cold (kernel/sched/core.c:9234)
[  528.801372][ T8952]  ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3))
[  528.801376][ T8952]  ? __kmalloc_noprof (./include/linux/sched/mm.h:317 mm/slub.c:4636 mm/slub.c:4974 mm/slub.c:5413 mm/slub.c:5439)
[  528.801381][ T8952]  __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))
[  528.801383][ T8952]  ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[  528.801389][ T8952]  ? 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)
[  528.801393][ T8952]  alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[  528.801397][ T8952]  put_chars (drivers/char/virtio_console.c:1176)
[  528.801399][ T8952]  ? __send_to_port (drivers/char/virtio_console.c:654)
[  528.801406][ T8952]  hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2))
[  528.801414][ T8952]  ? hvc_write (drivers/tty/hvc/hvc_console.c:501)
[  528.801417][ T8952]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  528.801422][ T8952]  console_emit_next_record (kernel/printk/printk.c:3183)
[  528.801426][ T8952]  ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20)
[  528.801428][ T8952]  ? 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))
[  528.801431][ T8952]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  528.801434][ T8952]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  528.801438][ T8952]  console_flush_one_record (kernel/printk/printk.c:3268)
[  528.801443][ T8952]  ? console_emit_next_record (kernel/printk/printk.c:3150)
[  528.801445][ T8952]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[  528.801450][ T8952]  console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420)
[  528.801453][ T8952]  ? console_flush_one_record (kernel/printk/printk.c:3316)
[  528.801455][ T8952]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  528.801457][ T8952]  ? 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)
[  528.801461][ T8952]  ? __down_trylock_console_sem (kernel/printk/printk.c:334)
[  528.801463][ T8952]  ? vprintk_emit (kernel/printk/printk.c:2478)
[  528.801466][ T8952]  vprintk_emit (kernel/printk/printk.c:2479)
[  528.801469][ T8952]  ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126))
[  528.801472][ T8952]  ? _mutex_trylock_nest_lock (kernel/locking/mutex.c:1227 (discriminator 6))
[  528.801477][ T8952]  _printk (kernel/printk/printk.c:2504)
[  528.801481][ T8952]  ? snapshot_read.cold (user.c:?)
[  528.801483][ T8952]  ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4116 (discriminator 3) kernel/rcu/tree.c:4108 (discriminator 3))
[  528.801485][ T8952]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380)
[  528.801488][ T8952]  ? validate_chain (kernel/locking/lockdep.c:3817 (discriminator 2) kernel/locking/lockdep.c:3837 (discriminator 2) kernel/locking/lockdep.c:3892 (discriminator 2))
[  528.801490][ T8952]  ? netdev_name (./include/linux/netdevice.h:5709 (discriminator 1))
[  528.801494][ T8952]  ? __netdev_printk (net/core/dev.c:13148 (discriminator 2))
[  528.801497][ T8952]  ? do_setlink.isra.0 (net/core/rtnetlink.c:3246)
[  528.801499][ T8952]  netdev_info (net/core/dev.c:13195 (discriminator 3))
[  528.801502][ T8952]  ? netdev_notice (net/core/dev.c:13194)
[  528.801505][ T8952]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[  528.801509][ T8952]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554)
[  528.801511][ T8952]  ? mark_held_locks (kernel/locking/lockdep.c:4341)
[  528.801515][ T8952]  ? do_setlink.isra.0 (net/core/rtnetlink.c:3246)
[  528.801517][ T8952]  netif_change_name.cold (net/core/dev.c:1507 (discriminator 3))
[  528.801519][ T8952]  ? register_netdev (net/core/dev.c:11618)
[  528.801521][ T8952]  ? 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))
[  528.801526][ T8952]  ? netdev_adjacent_rename_links (net/core/dev.c:9598)
[  528.801529][ T8952]  ? __kernel_text_address (kernel/extable.c:79)
[  528.801531][ T8952]  ? write_profile (profile.c:?)
[  528.801536][ T8952]  ? __asan_memset (mm/kasan/shadow.c:84 (discriminator 1))
[  528.801542][ T8952]  do_setlink.isra.0 (net/core/rtnetlink.c:3246)
[  528.801545][ T8952]  ? stack_trace_save (kernel/stacktrace.c:122 (discriminator 1))
[  528.801548][ T8952]  ? rtnl_link_get_size (net/core/rtnetlink.c:747)
[  528.801549][ T8952]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:388 kernel/rcu/update.c:380)
[  528.801551][ T8952]  ? stack_depot_save_flags (lib/stackdepot.c:609 (discriminator 2) lib/stackdepot.c:676 (discriminator 2))
[  528.801555][ T8952]  ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4116 (discriminator 3) kernel/rcu/tree.c:4108 (discriminator 3))
[  528.801557][ T8952]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380)
[  528.801559][ T8952]  ? validate_chain (kernel/locking/lockdep.c:3817 (discriminator 2) kernel/locking/lockdep.c:3837 (discriminator 2) kernel/locking/lockdep.c:3892 (discriminator 2))
[  528.801561][ T8952]  ? kasan_save_stack (mm/kasan/common.c:58)
[  528.801563][ T8952]  ? kasan_save_stack (mm/kasan/common.c:57)
[  528.801564][ T8952]  ? kasan_save_track (mm/kasan/common.c:78)
[  528.801566][ T8952]  ? __kasan_kmalloc (mm/kasan/common.c:398 mm/kasan/common.c:415)
[  528.801568][ T8952]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[  528.801570][ T8952]  ? snd_ac97_proc_read_main (sound/pci/ac97/ac97_proc.c:320)
[  528.801573][ T8952]  ? ___sys_sendmsg (net/socket.c:2758)
[  528.801577][ T8952]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2))
[  528.801579][ T8952]  ? rtnl_newlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:366 net/core/rtnetlink.c:4214)
[  528.801582][ T8952]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  528.801584][ T8952]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  528.801586][ T8952]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  528.801587][ T8952]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  528.801589][ T8952]  ? trace_contention_end (./include/trace/events/lock.h:121 (discriminator 22))
[  528.801591][ T8952]  ? __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)
[  528.801592][ T8952]  ? __mutex_lock (kernel/locking/mutex.c:656 (discriminator 1) kernel/locking/mutex.c:821 (discriminator 1))
[  528.801594][ T8952]  ? rtnl_newlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:366 net/core/rtnetlink.c:4214)
[  528.801598][ T8952]  ? ww_mutex_lock (kernel/locking/mutex.c:934)
[  528.801599][ T8952]  ? nla_get_range_signed (lib/nlattr.c:270)
[  528.801604][ T8952]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  528.801606][ T8952]  ? __rtnl_newlink (net/core/rtnetlink.c:4063)
[  528.801612][ T8952]  rtnl_newlink (net/core/rtnetlink.c:4215)
[  528.801617][ T8952]  ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558)
[  528.801619][ T8952]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[  528.801624][ T8952]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2))
[  528.801626][ T8952]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[  528.801628][ T8952]  ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558)
[  528.801630][ T8952]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554)
[  528.801634][ T8952]  ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558)
[  528.801636][ T8952]  rtnetlink_rcv_msg (net/core/rtnetlink.c:7132)
[  528.801640][ T8952]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[  528.801641][ T8952]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[  528.801646][ T8952]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2))
[  528.801648][ T8952]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[  528.801655][ T8952]  netlink_rcv_skb (net/netlink/af_netlink.c:2556)
[  528.801658][ T8952]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[  528.801661][ T8952]  ? netlink_ack (./include/linux/skbuff.h:2718)
[  528.801668][ T8952]  ? 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))
[  528.801670][ T8952]  ? 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))
[  528.801674][ T8952]  netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[  528.801678][ T8952]  ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[  528.801681][ T8952]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[  528.801685][ T8952]  netlink_sendmsg (net/netlink/af_netlink.c:1900)
[  528.801690][ T8952]  ? netlink_unicast (./include/net/net_namespace.h:422 (discriminator 7))
[  528.801693][ T8952]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554)
[  528.801695][ T8952]  ? __import_iovec (lib/iov_iter.c:1358 lib/iov_iter.c:1373)
[  528.801706][ T8952]  __sock_sendmsg (net/socket.c:800 (discriminator 4) net/socket.c:815 (discriminator 4))
[  528.801709][ T8952]  ____sys_sendmsg (net/socket.c:2713)
[  528.801711][ T8952]  ? copy_msghdr_from_user (net/socket.c:2650)
[  528.801713][ T8952]  ? sock_write_iter (net/socket.c:1269)
[  528.801715][ T8952]  ? move_addr_to_kernel (net/socket.c:258)
[  528.801723][ T8952]  ___sys_sendmsg (net/socket.c:2767)
[  528.801725][ T8952]  ? copy_msghdr_from_user (net/socket.c:2619)
[  528.801742][ T8952]  __sys_sendmsg (net/socket.c:2799)
[  528.801745][ T8952]  ? __sys_sendmsg_sock (net/socket.c:2780)
[  528.801751][ T8952]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  528.801754][ T8952]  do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84)
[  528.801757][ T8952]  ? exc_page_fault (arch/x86/mm/fault.c:1489 (discriminator 3) arch/x86/mm/fault.c:1536 (discriminator 3))
[  528.801760][ T8952]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[  528.801763][ T8952] RIP: 0033:0x7f26fa91454e
[  528.801767][ T8952] 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
[  528.801769][ T8952] RSP: 002b:00007fff36ca9dc0 EFLAGS: 00000202 ORIG_RAX: 000000000000002e
[  528.801772][ T8952] RAX: ffffffffffffffda RBX: 0000000000000005 RCX: 00007f26fa91454e
[  528.801773][ T8952] RDX: 0000000000000000 RSI: 00007fff36ca9e70 RDI: 0000000000000005
[  528.801774][ T8952] RBP: 00007fff36ca9dd0 R08: 0000000000000000 R09: 0000000000000000
[  528.801775][ T8952] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a90fd49
[  528.801776][ T8952] R13: 00000000004a1620 R14: 0000000000000000 R15: 00007fff36caa540
| [  538.413324][ T9095] softirqs last disabled at (22542): netif_change_name (./include/linux/spinlock.h:353 ./include/linux/seqlock.h:908 net/core/dev.c:1499)
| [  538.413327][ T9095] Preemption disabled at:
| [  538.413328][ T9095] vprintk_emit (kernel/printk/printk.c:2471)
| [  538.413336][ T9095] Tainted: [W]=WARN
[  538.413337][ T9095] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[  538.413339][ T9095] Call Trace:
[  538.413341][ T9095]  <TASK>
[  538.413342][ T9095]  dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120)
[  538.413348][ T9095]  ? vprintk_emit (kernel/printk/printk.c:2471)
[  538.413350][ T9095]  __might_resched.cold (kernel/sched/core.c:9234)
[  538.413354][ T9095]  ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3))
[  538.413358][ T9095]  ? __kmalloc_noprof (./include/linux/sched/mm.h:317 mm/slub.c:4636 mm/slub.c:4974 mm/slub.c:5413 mm/slub.c:5439)
[  538.413362][ T9095]  __kmalloc_noprof (./include/linux/sched/mm.h:322 (discriminator 2) mm/slub.c:4636 (discriminator 2) mm/slub.c:4974 (discriminator 2) mm/slub.c:5413 (discriminator 2) mm/slub.c:5439 (discriminator 2))
[  538.413364][ T9095]  ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[  538.413371][ T9095]  ? do_raw_spin_unlock (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:32 ./include/asm-generic/qspinlock.h:58 kernel/locking/spinlock_debug.c:101 kernel/locking/spinlock_debug.c:141)
[  538.413374][ T9095]  alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[  538.413377][ T9095]  put_chars (drivers/char/virtio_console.c:1176)
[  538.413380][ T9095]  ? __send_to_port (drivers/char/virtio_console.c:654)
[  538.413386][ T9095]  hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2))
[  538.413394][ T9095]  ? hvc_write (drivers/tty/hvc/hvc_console.c:501)
[  538.413397][ T9095]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  538.413401][ T9095]  console_emit_next_record (kernel/printk/printk.c:3183)
[  538.413406][ T9095]  ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20)
[  538.413407][ T9095]  ? console_flush_one_record (./include/linux/rcupdate.h:314 (discriminator 2) ./include/linux/srcu.h:439 (discriminator 2) kernel/printk/printk.c:291 (discriminator 2) kernel/printk/printk.c:3246 (discriminator 2))
[  538.413411][ T9095]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  538.413413][ T9095]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  538.413417][ T9095]  console_flush_one_record (kernel/printk/printk.c:3268)
[  538.413422][ T9095]  ? console_emit_next_record (kernel/printk/printk.c:3150)
[  538.413424][ T9095]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[  538.413429][ T9095]  console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420)
[  538.413432][ T9095]  ? console_flush_one_record (kernel/printk/printk.c:3316)
[  538.413434][ T9095]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  538.413435][ T9095]  ? lock_acquire (./include/linux/srcutree.h:374 ./include/linux/srcu.h:541 ./include/linux/srcu.h:645 ./include/trace/events/lock.h:23 ./include/trace/events/lock.h:23 kernel/locking/lockdep.c:5871)
[  538.413439][ T9095]  ? __down_trylock_console_sem (kernel/printk/printk.c:334)
[  538.413441][ T9095]  ? vprintk_emit (kernel/printk/printk.c:2478)
[  538.413444][ T9095]  vprintk_emit (kernel/printk/printk.c:2479)
[  538.413447][ T9095]  ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126))
[  538.413449][ T9095]  ? _mutex_trylock_nest_lock (kernel/locking/mutex.c:1227 (discriminator 6))
[  538.413454][ T9095]  _printk (kernel/printk/printk.c:2504)
[  538.413458][ T9095]  ? snapshot_read.cold (user.c:?)
[  538.413460][ T9095]  ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4116 (discriminator 3) kernel/rcu/tree.c:4108 (discriminator 3))
[  538.413462][ T9095]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380)
[  538.413465][ T9095]  ? validate_chain (kernel/locking/lockdep.c:3817 (discriminator 2) kernel/locking/lockdep.c:3837 (discriminator 2) kernel/locking/lockdep.c:3892 (discriminator 2))
[  538.413467][ T9095]  ? netdev_name (./include/linux/netdevice.h:5709 (discriminator 1))
[  538.413471][ T9095]  ? __netdev_printk (net/core/dev.c:13148 (discriminator 2))
[  538.413474][ T9095]  ? do_setlink.isra.0 (net/core/rtnetlink.c:3246)
[  538.413476][ T9095]  netdev_info (net/core/dev.c:13195 (discriminator 3))
[  538.413479][ T9095]  ? netdev_notice (net/core/dev.c:13194)
[  538.413482][ T9095]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[  538.413485][ T9095]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554)
[  538.413487][ T9095]  ? mark_held_locks (kernel/locking/lockdep.c:4341)
[  538.413491][ T9095]  ? do_setlink.isra.0 (net/core/rtnetlink.c:3246)
[  538.413493][ T9095]  netif_change_name.cold (net/core/dev.c:1507 (discriminator 3))
[  538.413495][ T9095]  ? register_netdev (net/core/dev.c:11618)
[  538.413496][ T9095]  ? is_bpf_text_address (./include/linux/rcupdate.h:319 (discriminator 2) ./include/linux/rcupdate.h:880 (discriminator 2) kernel/bpf/core.c:751 (discriminator 2))
[  538.413502][ T9095]  ? netdev_adjacent_rename_links (net/core/dev.c:9598)
[  538.413504][ T9095]  ? __kernel_text_address (kernel/extable.c:79)
[  538.413507][ T9095]  ? write_profile (profile.c:?)
[  538.413511][ T9095]  ? __asan_memset (mm/kasan/shadow.c:84 (discriminator 1))
[  538.413516][ T9095]  do_setlink.isra.0 (net/core/rtnetlink.c:3246)
[  538.413520][ T9095]  ? stack_trace_save (kernel/stacktrace.c:122 (discriminator 1))
[  538.413522][ T9095]  ? rtnl_link_get_size (net/core/rtnetlink.c:747)
[  538.413523][ T9095]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:388 kernel/rcu/update.c:380)
[  538.413525][ T9095]  ? stack_depot_save_flags (lib/stackdepot.c:609 (discriminator 2) lib/stackdepot.c:676 (discriminator 2))
[  538.413528][ T9095]  ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4116 (discriminator 3) kernel/rcu/tree.c:4108 (discriminator 3))
[  538.413530][ T9095]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380)
[  538.413532][ T9095]  ? validate_chain (kernel/locking/lockdep.c:3817 (discriminator 2) kernel/locking/lockdep.c:3837 (discriminator 2) kernel/locking/lockdep.c:3892 (discriminator 2))
[  538.413535][ T9095]  ? kasan_save_stack (mm/kasan/common.c:58)
[  538.413536][ T9095]  ? kasan_save_stack (mm/kasan/common.c:57)
[  538.413538][ T9095]  ? kasan_save_track (mm/kasan/common.c:78)
[  538.413539][ T9095]  ? __kasan_kmalloc (mm/kasan/common.c:398 mm/kasan/common.c:415)
[  538.413541][ T9095]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[  538.413543][ T9095]  ? snd_ac97_proc_read_main (sound/pci/ac97/ac97_proc.c:320)
[  538.413546][ T9095]  ? ___sys_sendmsg (net/socket.c:2758)
[  538.413550][ T9095]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2))
[  538.413552][ T9095]  ? rtnl_newlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:366 net/core/rtnetlink.c:4214)
[  538.413555][ T9095]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  538.413557][ T9095]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  538.413558][ T9095]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  538.413559][ T9095]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  538.413561][ T9095]  ? trace_contention_end (./include/trace/events/lock.h:121 (discriminator 22))
[  538.413563][ T9095]  ? __mutex_lock (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:3188 kernel/locking/mutex.c:89 kernel/locking/mutex.c:134 kernel/locking/mutex.c:649 kernel/locking/mutex.c:821)
[  538.413564][ T9095]  ? __mutex_lock (kernel/locking/mutex.c:656 (discriminator 1) kernel/locking/mutex.c:821 (discriminator 1))
[  538.413566][ T9095]  ? rtnl_newlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:366 net/core/rtnetlink.c:4214)
[  538.413570][ T9095]  ? ww_mutex_lock (kernel/locking/mutex.c:934)
[  538.413571][ T9095]  ? nla_get_range_signed (lib/nlattr.c:270)
[  538.413576][ T9095]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  538.413578][ T9095]  ? __rtnl_newlink (net/core/rtnetlink.c:4063)
[  538.413583][ T9095]  rtnl_newlink (net/core/rtnetlink.c:4215)
[  538.413589][ T9095]  ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558)
[  538.413591][ T9095]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[  538.413595][ T9095]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2))
[  538.413597][ T9095]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[  538.413599][ T9095]  ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558)
[  538.413601][ T9095]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554)
[  538.413605][ T9095]  ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558)
[  538.413607][ T9095]  rtnetlink_rcv_msg (net/core/rtnetlink.c:7132)
[  538.413610][ T9095]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[  538.413611][ T9095]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[  538.413616][ T9095]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2))
[  538.413618][ T9095]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[  538.413621][ T9095]  netlink_rcv_skb (net/netlink/af_netlink.c:2556)
[  538.413624][ T9095]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[  538.413627][ T9095]  ? netlink_ack (./include/linux/skbuff.h:2718)
[  538.413634][ T9095]  ? netlink_deliver_tap (./include/linux/rcupdate.h:319 (discriminator 2) ./include/linux/rcupdate.h:880 (discriminator 2) ./include/net/netns/generic.h:48 (discriminator 2) net/netlink/af_netlink.c:334 (discriminator 2))
[  538.413636][ T9095]  ? netlink_deliver_tap (./include/linux/rcupdate.h:319 (discriminator 2) ./include/linux/rcupdate.h:880 (discriminator 2) net/netlink/af_netlink.c:341 (discriminator 2))
[  538.413640][ T9095]  netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[  538.413644][ T9095]  ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[  538.413647][ T9095]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[  538.413654][ T9095]  netlink_sendmsg (net/netlink/af_netlink.c:1900)
[  538.413659][ T9095]  ? netlink_unicast (./include/net/net_namespace.h:422 (discriminator 7))
[  538.413662][ T9095]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554)
[  538.413664][ T9095]  ? __import_iovec (lib/iov_iter.c:1358 lib/iov_iter.c:1373)
[  538.413669][ T9095]  __sock_sendmsg (net/socket.c:800 (discriminator 4) net/socket.c:815 (discriminator 4))
[  538.413672][ T9095]  ____sys_sendmsg (net/socket.c:2713)
[  538.413674][ T9095]  ? copy_msghdr_from_user (net/socket.c:2650)
[  538.413677][ T9095]  ? sock_write_iter (net/socket.c:1269)
[  538.413678][ T9095]  ? move_addr_to_kernel (net/socket.c:258)
[  538.413686][ T9095]  ___sys_sendmsg (net/socket.c:2767)
[  538.413689][ T9095]  ? copy_msghdr_from_user (net/socket.c:2619)
[  538.413705][ T9095]  __sys_sendmsg (net/socket.c:2799)
[  538.413708][ T9095]  ? __sys_sendmsg_sock (net/socket.c:2780)
[  538.413714][ T9095]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  538.413717][ T9095]  do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84)
[  538.413720][ T9095]  ? exc_page_fault (arch/x86/mm/fault.c:1489 (discriminator 3) arch/x86/mm/fault.c:1536 (discriminator 3))
[  538.413723][ T9095]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[  538.413725][ T9095] RIP: 0033:0x7f0f1831254e
[  538.413729][ T9095] Code: 4d 89 d8 e8 b4 bd 00 00 4c 8b 5d f8 41 8b 93 08 03 00 00 59 5e 48 83 f8 fc 74 11 c9 c3 0f 1f 80 00 00 00 00 48 8b 45 10 0f 05 <c9> c3 83 e2 39 83 fa 08 75 e7 e8 03 ff ff ff 0f 1f 00 f3 0f 1e fa
All code
========
   0:	4d 89 d8             	mov    %r11,%r8
   3:	e8 b4 bd 00 00       	call   0xbdbc
   8:	4c 8b 5d f8          	mov    -0x8(%rbp),%r11
   c:	41 8b 93 08 03 00 00 	mov    0x308(%r11),%edx
  13:	59                   	pop    %rcx
  14:	5e                   	pop    %rsi
  15:	48 83 f8 fc          	cmp    $0xfffffffffffffffc,%rax
  19:	74 11                	je     0x2c
  1b:	c9                   	leave
  1c:	c3                   	ret
  1d:	0f 1f 80 00 00 00 00 	nopl   0x0(%rax)
  24:	48 8b 45 10          	mov    0x10(%rbp),%rax
  28:	0f 05                	syscall
  2a:*	c9                   	leave		<-- trapping instruction
  2b:	c3                   	ret
  2c:	83 e2 39             	and    $0x39,%edx
  2f:	83 fa 08             	cmp    $0x8,%edx
  32:	75 e7                	jne    0x1b
  34:	e8 03 ff ff ff       	call   0xffffffffffffff3c
  39:	0f 1f 00             	nopl   (%rax)
  3c:	f3 0f 1e fa          	endbr64

Code starting with the faulting instruction
===========================================
   0:	c9                   	leave
   1:	c3                   	ret
   2:	83 e2 39             	and    $0x39,%edx
   5:	83 fa 08             	cmp    $0x8,%edx
   8:	75 e7                	jne    0xfffffffffffffff1
   a:	e8 03 ff ff ff       	call   0xffffffffffffff12
   f:	0f 1f 00             	nopl   (%rax)
  12:	f3 0f 1e fa          	endbr64
[  538.413731][ T9095] RSP: 002b:00007ffe6134fc80 EFLAGS: 00000202 ORIG_RAX: 000000000000002e
[  538.413733][ T9095] RAX: ffffffffffffffda RBX: 0000000000000005 RCX: 00007f0f1831254e
[  538.413735][ T9095] RDX: 0000000000000000 RSI: 00007ffe6134fd30 RDI: 0000000000000005
[  538.413736][ T9095] RBP: 00007ffe6134fc90 R08: 0000000000000000 R09: 0000000000000000
[  538.413736][ T9095] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a90fd52
[  538.413737][ T9095] R13: 00000000004a1620 R14: 0000000000000000 R15: 00007ffe61350400
| [  548.430875][ T9241] softirqs last disabled at (36576): netif_change_name (./include/linux/spinlock.h:353 ./include/linux/seqlock.h:908 net/core/dev.c:1499)
| [  548.430878][ T9241] Preemption disabled at:
| [  548.430879][ T9241] vprintk_emit (kernel/printk/printk.c:2471)
| [  548.430891][ T9241] Tainted: [W]=WARN
[  548.430892][ T9241] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[  548.430894][ T9241] Call Trace:
[  548.430897][ T9241]  <TASK>
[  548.430899][ T9241]  dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120)
[  548.430906][ T9241]  ? vprintk_emit (kernel/printk/printk.c:2471)
[  548.430909][ T9241]  __might_resched.cold (kernel/sched/core.c:9234)
[  548.430915][ T9241]  ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3))
[  548.430921][ T9241]  ? __kmalloc_noprof (./include/linux/sched/mm.h:317 mm/slub.c:4636 mm/slub.c:4974 mm/slub.c:5413 mm/slub.c:5439)
[  548.430927][ T9241]  __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))
[  548.430930][ T9241]  ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[  548.430939][ T9241]  ? 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)
[  548.430943][ T9241]  alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[  548.430949][ T9241]  put_chars (drivers/char/virtio_console.c:1176)
[  548.430953][ T9241]  ? __send_to_port (drivers/char/virtio_console.c:654)
[  548.430965][ T9241]  hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2))
[  548.430977][ T9241]  ? hvc_write (drivers/tty/hvc/hvc_console.c:501)
[  548.430982][ T9241]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  548.430990][ T9241]  console_emit_next_record (kernel/printk/printk.c:3183)
[  548.430997][ T9241]  ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20)
[  548.431000][ T9241]  ? 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))
[  548.431005][ T9241]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  548.431009][ T9241]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  548.431017][ T9241]  console_flush_one_record (kernel/printk/printk.c:3268)
[  548.431024][ T9241]  ? console_emit_next_record (kernel/printk/printk.c:3150)
[  548.431027][ T9241]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[  548.431037][ T9241]  console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420)
[  548.431041][ T9241]  ? console_flush_one_record (kernel/printk/printk.c:3316)
[  548.431044][ T9241]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  548.431048][ T9241]  ? 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)
[  548.431054][ T9241]  ? __down_trylock_console_sem (kernel/printk/printk.c:334)
[  548.431057][ T9241]  ? vprintk_emit (kernel/printk/printk.c:2478)
[  548.431062][ T9241]  vprintk_emit (kernel/printk/printk.c:2479)
[  548.431067][ T9241]  ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126))
[  548.431072][ T9241]  ? _mutex_trylock_nest_lock (kernel/locking/mutex.c:1227 (discriminator 6))
[  548.431081][ T9241]  _printk (kernel/printk/printk.c:2504)
[  548.431086][ T9241]  ? snapshot_read.cold (user.c:?)
[  548.431088][ T9241]  ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4116 (discriminator 3) kernel/rcu/tree.c:4108 (discriminator 3))
[  548.431093][ T9241]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380)
[  548.431097][ T9241]  ? validate_chain (kernel/locking/lockdep.c:3817 (discriminator 2) kernel/locking/lockdep.c:3837 (discriminator 2) kernel/locking/lockdep.c:3892 (discriminator 2))
[  548.431100][ T9241]  ? netdev_name (./include/linux/netdevice.h:5709 (discriminator 1))
[  548.431106][ T9241]  ? __netdev_printk (net/core/dev.c:13148 (discriminator 2))
[  548.431110][ T9241]  ? do_setlink.isra.0 (net/core/rtnetlink.c:3246)
[  548.431114][ T9241]  netdev_info (net/core/dev.c:13195 (discriminator 3))
[  548.431119][ T9241]  ? netdev_notice (net/core/dev.c:13194)
[  548.431123][ T9241]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[  548.431128][ T9241]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554)
[  548.431133][ T9241]  ? mark_held_locks (kernel/locking/lockdep.c:4341)
[  548.431139][ T9241]  ? do_setlink.isra.0 (net/core/rtnetlink.c:3246)
[  548.431143][ T9241]  netif_change_name.cold (net/core/dev.c:1507 (discriminator 3))
[  548.431146][ T9241]  ? register_netdev (net/core/dev.c:11618)
[  548.431148][ T9241]  ? 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))
[  548.431157][ T9241]  ? netdev_adjacent_rename_links (net/core/dev.c:9598)
[  548.431161][ T9241]  ? __kernel_text_address (kernel/extable.c:79)
[  548.431164][ T9241]  ? write_profile (profile.c:?)
[  548.431171][ T9241]  ? __asan_memset (mm/kasan/shadow.c:84 (discriminator 1))
[  548.431180][ T9241]  do_setlink.isra.0 (net/core/rtnetlink.c:3246)
[  548.431186][ T9241]  ? stack_trace_save (kernel/stacktrace.c:122 (discriminator 1))
[  548.431190][ T9241]  ? rtnl_link_get_size (net/core/rtnetlink.c:747)
[  548.431192][ T9241]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:388 kernel/rcu/update.c:380)
[  548.431195][ T9241]  ? stack_depot_save_flags (lib/stackdepot.c:609 (discriminator 2) lib/stackdepot.c:676 (discriminator 2))
[  548.431200][ T9241]  ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4116 (discriminator 3) kernel/rcu/tree.c:4108 (discriminator 3))
[  548.431203][ T9241]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380)
[  548.431206][ T9241]  ? validate_chain (kernel/locking/lockdep.c:3817 (discriminator 2) kernel/locking/lockdep.c:3837 (discriminator 2) kernel/locking/lockdep.c:3892 (discriminator 2))
[  548.431210][ T9241]  ? kasan_save_stack (mm/kasan/common.c:58)
[  548.431213][ T9241]  ? kasan_save_stack (mm/kasan/common.c:57)
[  548.431215][ T9241]  ? kasan_save_track (mm/kasan/common.c:78)
[  548.431217][ T9241]  ? __kasan_kmalloc (mm/kasan/common.c:398 mm/kasan/common.c:415)
[  548.431222][ T9241]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[  548.431225][ T9241]  ? snd_ac97_proc_read_main (sound/pci/ac97/ac97_proc.c:320)
[  548.431229][ T9241]  ? ___sys_sendmsg (net/socket.c:2758)
[  548.431236][ T9241]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2))
[  548.431239][ T9241]  ? rtnl_newlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:366 net/core/rtnetlink.c:4214)
[  548.431244][ T9241]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  548.431247][ T9241]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  548.431249][ T9241]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  548.431251][ T9241]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  548.431254][ T9241]  ? trace_contention_end (./include/trace/events/lock.h:121 (discriminator 22))
[  548.431258][ T9241]  ? __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)
[  548.431261][ T9241]  ? __mutex_lock (kernel/locking/mutex.c:656 (discriminator 1) kernel/locking/mutex.c:821 (discriminator 1))
[  548.431264][ T9241]  ? rtnl_newlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:366 net/core/rtnetlink.c:4214)
[  548.431270][ T9241]  ? ww_mutex_lock (kernel/locking/mutex.c:934)
[  548.431272][ T9241]  ? nla_get_range_signed (lib/nlattr.c:270)
[  548.431280][ T9241]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  548.431284][ T9241]  ? __rtnl_newlink (net/core/rtnetlink.c:4063)
[  548.431294][ T9241]  rtnl_newlink (net/core/rtnetlink.c:4215)
[  548.431304][ T9241]  ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558)
[  548.431307][ T9241]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[  548.431316][ T9241]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2))
[  548.431319][ T9241]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[  548.431322][ T9241]  ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558)
[  548.431325][ T9241]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554)
[  548.431332][ T9241]  ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558)
[  548.431336][ T9241]  rtnetlink_rcv_msg (net/core/rtnetlink.c:7132)
[  548.431342][ T9241]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[  548.431344][ T9241]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[  548.431352][ T9241]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2))
[  548.431355][ T9241]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[  548.431362][ T9241]  netlink_rcv_skb (net/netlink/af_netlink.c:2556)
[  548.431366][ T9241]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[  548.431372][ T9241]  ? netlink_ack (./include/linux/skbuff.h:2718)
[  548.431384][ T9241]  ? 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))
[  548.431387][ T9241]  ? 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))
[  548.431395][ T9241]  netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[  548.431402][ T9241]  ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[  548.431406][ T9241]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[  548.431414][ T9241]  netlink_sendmsg (net/netlink/af_netlink.c:1900)
[  548.431421][ T9241]  ? netlink_unicast (./include/net/net_namespace.h:422 (discriminator 7))
[  548.431428][ T9241]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554)
[  548.431430][ T9241]  ? __import_iovec (lib/iov_iter.c:1358 lib/iov_iter.c:1373)
[  548.431439][ T9241]  __sock_sendmsg (net/socket.c:800 (discriminator 4) net/socket.c:815 (discriminator 4))
[  548.431444][ T9241]  ____sys_sendmsg (net/socket.c:2713)
[  548.431448][ T9241]  ? copy_msghdr_from_user (net/socket.c:2650)
[  548.431451][ T9241]  ? sock_write_iter (net/socket.c:1269)
[  548.431454][ T9241]  ? move_addr_to_kernel (net/socket.c:258)
[  548.431468][ T9241]  ___sys_sendmsg (net/socket.c:2767)
[  548.431473][ T9241]  ? copy_msghdr_from_user (net/socket.c:2619)
[  548.431503][ T9241]  __sys_sendmsg (net/socket.c:2799)
[  548.431508][ T9241]  ? __sys_sendmsg_sock (net/socket.c:2780)
[  548.431519][ T9241]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  548.431525][ T9241]  do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84)
[  548.431529][ T9241]  ? exc_page_fault (arch/x86/mm/fault.c:1489 (discriminator 3) arch/x86/mm/fault.c:1536 (discriminator 3))
[  548.431534][ T9241]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[  548.431538][ T9241] RIP: 0033:0x7f992017c54e
[  548.431543][ T9241] 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
[  548.431545][ T9241] RSP: 002b:00007fffe1a5a600 EFLAGS: 00000202 ORIG_RAX: 000000000000002e
[  548.431550][ T9241] RAX: ffffffffffffffda RBX: 0000000000000005 RCX: 00007f992017c54e
[  548.431552][ T9241] RDX: 0000000000000000 RSI: 00007fffe1a5a6b0 RDI: 0000000000000005
[  548.431553][ T9241] RBP: 00007fffe1a5a610 R08: 0000000000000000 R09: 0000000000000000
[  548.431555][ T9241] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a90fd5c
[  548.431556][ T9241] R13: 00000000004a1620 R14: 0000000000000000 R15: 00007fffe1a5ad80
| [  558.094772][ T9384] softirqs last disabled at (25266): netif_change_name (./include/linux/spinlock.h:353 ./include/linux/seqlock.h:908 net/core/dev.c:1499)
| [  558.094775][ T9384] Preemption disabled at:
| [  558.094776][ T9384] vprintk_emit (kernel/printk/printk.c:2471)
| [  558.094788][ T9384] Tainted: [W]=WARN
[  558.094789][ T9384] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[  558.094791][ T9384] Call Trace:
[  558.094794][ T9384]  <TASK>
[  558.094796][ T9384]  dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120)
[  558.094803][ T9384]  ? vprintk_emit (kernel/printk/printk.c:2471)
[  558.094806][ T9384]  __might_resched.cold (kernel/sched/core.c:9234)
[  558.094812][ T9384]  ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3))
[  558.094817][ T9384]  ? __kmalloc_noprof (./include/linux/sched/mm.h:317 mm/slub.c:4636 mm/slub.c:4974 mm/slub.c:5413 mm/slub.c:5439)
[  558.094824][ T9384]  __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))
[  558.094827][ T9384]  ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[  558.094837][ T9384]  ? 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)
[  558.094841][ T9384]  alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[  558.094847][ T9384]  put_chars (drivers/char/virtio_console.c:1176)
[  558.094851][ T9384]  ? __send_to_port (drivers/char/virtio_console.c:654)
[  558.094862][ T9384]  hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2))
[  558.094875][ T9384]  ? hvc_write (drivers/tty/hvc/hvc_console.c:501)
[  558.094880][ T9384]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  558.094894][ T9384]  console_emit_next_record (kernel/printk/printk.c:3183)
[  558.094900][ T9384]  ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20)
[  558.094903][ T9384]  ? 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))
[  558.094909][ T9384]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  558.094913][ T9384]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  558.094920][ T9384]  console_flush_one_record (kernel/printk/printk.c:3268)
[  558.094927][ T9384]  ? console_emit_next_record (kernel/printk/printk.c:3150)
[  558.094930][ T9384]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[  558.094939][ T9384]  console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420)
[  558.094944][ T9384]  ? console_flush_one_record (kernel/printk/printk.c:3316)
[  558.094947][ T9384]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  558.094950][ T9384]  ? 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)
[  558.094957][ T9384]  ? __down_trylock_console_sem (kernel/printk/printk.c:334)
[  558.094960][ T9384]  ? vprintk_emit (kernel/printk/printk.c:2478)
[  558.094965][ T9384]  vprintk_emit (kernel/printk/printk.c:2479)
[  558.094970][ T9384]  ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126))
[  558.094975][ T9384]  ? _mutex_trylock_nest_lock (kernel/locking/mutex.c:1227 (discriminator 6))
[  558.094983][ T9384]  _printk (kernel/printk/printk.c:2504)
[  558.094989][ T9384]  ? snapshot_read.cold (user.c:?)
[  558.094991][ T9384]  ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4116 (discriminator 3) kernel/rcu/tree.c:4108 (discriminator 3))
[  558.094996][ T9384]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380)
[  558.095000][ T9384]  ? validate_chain (kernel/locking/lockdep.c:3817 (discriminator 2) kernel/locking/lockdep.c:3837 (discriminator 2) kernel/locking/lockdep.c:3892 (discriminator 2))
[  558.095003][ T9384]  ? netdev_name (./include/linux/netdevice.h:5709 (discriminator 1))
[  558.095009][ T9384]  ? __netdev_printk (net/core/dev.c:13148 (discriminator 2))
[  558.095013][ T9384]  ? do_setlink.isra.0 (net/core/rtnetlink.c:3246)
[  558.095017][ T9384]  netdev_info (net/core/dev.c:13195 (discriminator 3))
[  558.095022][ T9384]  ? netdev_notice (net/core/dev.c:13194)
[  558.095026][ T9384]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[  558.095031][ T9384]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554)
[  558.095036][ T9384]  ? mark_held_locks (kernel/locking/lockdep.c:4341)
[  558.095042][ T9384]  ? do_setlink.isra.0 (net/core/rtnetlink.c:3246)
[  558.095045][ T9384]  netif_change_name.cold (net/core/dev.c:1507 (discriminator 3))
[  558.095048][ T9384]  ? lockdep_hardirqs_on (kernel/locking/lockdep.c:4488)
[  558.095052][ T9384]  ? irqentry_exit (./include/linux/irq-entry-common.h:507 ./include/linux/irq-entry-common.h:542 kernel/entry/common.c:167)
[  558.095054][ T9384]  ? irqentry_exit (./include/linux/irq-entry-common.h:507 ./include/linux/irq-entry-common.h:542 kernel/entry/common.c:167)
[  558.095057][ T9384]  ? lockdep_hardirqs_off (kernel/locking/lockdep.c:4527)
[  558.095060][ T9384]  ? sysvec_apic_timer_interrupt (arch/x86/kernel/apic/apic.c:1062 (discriminator 37) arch/x86/kernel/apic/apic.c:1062 (discriminator 37))
[  558.095065][ T9384]  ? netdev_adjacent_rename_links (net/core/dev.c:9598)
[  558.095072][ T9384]  ? __mutex_unlock_slowpath (./include/linux/instrumented.h:55 ./include/linux/atomic/atomic-instrumented.h:4480 kernel/locking/mutex.c:1021)
[  558.095080][ T9384]  do_setlink.isra.0 (net/core/rtnetlink.c:3246)
[  558.095086][ T9384]  ? stack_trace_save (kernel/stacktrace.c:122 (discriminator 1))
[  558.095091][ T9384]  ? rtnl_link_get_size (net/core/rtnetlink.c:747)
[  558.095093][ T9384]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:388 kernel/rcu/update.c:380)
[  558.095096][ T9384]  ? stack_depot_save_flags (lib/stackdepot.c:609 (discriminator 2) lib/stackdepot.c:676 (discriminator 2))
[  558.095101][ T9384]  ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4116 (discriminator 3) kernel/rcu/tree.c:4108 (discriminator 3))
[  558.095104][ T9384]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380)
[  558.095107][ T9384]  ? validate_chain (kernel/locking/lockdep.c:3817 (discriminator 2) kernel/locking/lockdep.c:3837 (discriminator 2) kernel/locking/lockdep.c:3892 (discriminator 2))
[  558.095112][ T9384]  ? kasan_save_stack (mm/kasan/common.c:58)
[  558.095115][ T9384]  ? kasan_save_stack (mm/kasan/common.c:57)
[  558.095117][ T9384]  ? kasan_save_track (mm/kasan/common.c:78)
[  558.095119][ T9384]  ? __kasan_kmalloc (mm/kasan/common.c:398 mm/kasan/common.c:415)
[  558.095123][ T9384]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[  558.095126][ T9384]  ? snd_ac97_proc_read_main (sound/pci/ac97/ac97_proc.c:320)
[  558.095131][ T9384]  ? ___sys_sendmsg (net/socket.c:2758)
[  558.095137][ T9384]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2))
[  558.095140][ T9384]  ? rtnl_newlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:366 net/core/rtnetlink.c:4214)
[  558.095145][ T9384]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  558.095148][ T9384]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  558.095150][ T9384]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  558.095152][ T9384]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  558.095155][ T9384]  ? trace_contention_end (./include/trace/events/lock.h:121 (discriminator 22))
[  558.095159][ T9384]  ? __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)
[  558.095161][ T9384]  ? __mutex_lock (kernel/locking/mutex.c:656 (discriminator 1) kernel/locking/mutex.c:821 (discriminator 1))
[  558.095164][ T9384]  ? rtnl_newlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:366 net/core/rtnetlink.c:4214)
[  558.095171][ T9384]  ? ww_mutex_lock (kernel/locking/mutex.c:934)
[  558.095173][ T9384]  ? nla_get_range_signed (lib/nlattr.c:270)
[  558.095180][ T9384]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  558.095184][ T9384]  ? __rtnl_newlink (net/core/rtnetlink.c:4063)
[  558.095194][ T9384]  rtnl_newlink (net/core/rtnetlink.c:4215)
[  558.095205][ T9384]  ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558)
[  558.095208][ T9384]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[  558.095216][ T9384]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2))
[  558.095219][ T9384]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[  558.095222][ T9384]  ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558)
[  558.095226][ T9384]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554)
[  558.095232][ T9384]  ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558)
[  558.095236][ T9384]  rtnetlink_rcv_msg (net/core/rtnetlink.c:7132)
[  558.095241][ T9384]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[  558.095243][ T9384]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[  558.095252][ T9384]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2))
[  558.095255][ T9384]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[  558.095261][ T9384]  netlink_rcv_skb (net/netlink/af_netlink.c:2556)
[  558.095265][ T9384]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[  558.095270][ T9384]  ? netlink_ack (./include/linux/skbuff.h:2718)
[  558.095282][ T9384]  ? 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))
[  558.095285][ T9384]  ? 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))
[  558.095293][ T9384]  netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[  558.095300][ T9384]  ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[  558.095304][ T9384]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[  558.095312][ T9384]  netlink_sendmsg (net/netlink/af_netlink.c:1900)
[  558.095319][ T9384]  ? netlink_unicast (./include/net/net_namespace.h:422 (discriminator 7))
[  558.095325][ T9384]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554)
[  558.095328][ T9384]  ? __import_iovec (lib/iov_iter.c:1358 lib/iov_iter.c:1373)
[  558.095336][ T9384]  __sock_sendmsg (net/socket.c:800 (discriminator 4) net/socket.c:815 (discriminator 4))
[  558.095341][ T9384]  ____sys_sendmsg (net/socket.c:2713)
[  558.095345][ T9384]  ? copy_msghdr_from_user (net/socket.c:2650)
[  558.095349][ T9384]  ? sock_write_iter (net/socket.c:1269)
[  558.095351][ T9384]  ? move_addr_to_kernel (net/socket.c:258)
[  558.095365][ T9384]  ___sys_sendmsg (net/socket.c:2767)
[  558.095369][ T9384]  ? copy_msghdr_from_user (net/socket.c:2619)
[  558.095400][ T9384]  __sys_sendmsg (net/socket.c:2799)
[  558.095405][ T9384]  ? __sys_sendmsg_sock (net/socket.c:2780)
[  558.095416][ T9384]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  558.095422][ T9384]  do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84)
[  558.095426][ T9384]  ? exc_page_fault (arch/x86/mm/fault.c:1489 (discriminator 3) arch/x86/mm/fault.c:1536 (discriminator 3))
[  558.095430][ T9384]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[  558.095434][ T9384] RIP: 0033:0x7f9b669db54e
[  558.095440][ T9384] 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
[  558.095442][ T9384] RSP: 002b:00007ffc0e2262d0 EFLAGS: 00000202 ORIG_RAX: 000000000000002e
[  558.095446][ T9384] RAX: ffffffffffffffda RBX: 0000000000000005 RCX: 00007f9b669db54e
[  558.095448][ T9384] RDX: 0000000000000000 RSI: 00007ffc0e226380 RDI: 0000000000000005
[  558.095450][ T9384] RBP: 00007ffc0e2262e0 R08: 0000000000000000 R09: 0000000000000000
[  558.095451][ T9384] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a90fd66
[  558.095453][ T9384] R13: 00000000004a1620 R14: 0000000000000000 R15: 00007ffc0e226a50
| [  568.379262][ T9527] softirqs last disabled at (19630): netif_change_name (./include/linux/spinlock.h:353 ./include/linux/seqlock.h:908 net/core/dev.c:1499)
| [  568.379266][ T9527] Preemption disabled at:
| [  568.379267][ T9527] vprintk_emit (kernel/printk/printk.c:2471)
| [  568.379278][ T9527] Tainted: [W]=WARN
[  568.379279][ T9527] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[  568.379282][ T9527] Call Trace:
[  568.379284][ T9527]  <TASK>
[  568.379286][ T9527]  dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120)
[  568.379294][ T9527]  ? vprintk_emit (kernel/printk/printk.c:2471)
[  568.379297][ T9527]  __might_resched.cold (kernel/sched/core.c:9234)
[  568.379303][ T9527]  ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3))
[  568.379308][ T9527]  ? __kmalloc_noprof (./include/linux/sched/mm.h:317 mm/slub.c:4636 mm/slub.c:4974 mm/slub.c:5413 mm/slub.c:5439)
[  568.379315][ T9527]  __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))
[  568.379318][ T9527]  ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[  568.379328][ T9527]  ? 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)
[  568.379331][ T9527]  alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[  568.379337][ T9527]  put_chars (drivers/char/virtio_console.c:1176)
[  568.379341][ T9527]  ? __send_to_port (drivers/char/virtio_console.c:654)
[  568.379353][ T9527]  hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2))
[  568.379365][ T9527]  ? hvc_write (drivers/tty/hvc/hvc_console.c:501)
[  568.379371][ T9527]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  568.379378][ T9527]  console_emit_next_record (kernel/printk/printk.c:3183)
[  568.379385][ T9527]  ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20)
[  568.379388][ T9527]  ? 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))
[  568.379393][ T9527]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  568.379397][ T9527]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  568.379404][ T9527]  console_flush_one_record (kernel/printk/printk.c:3268)
[  568.379411][ T9527]  ? console_emit_next_record (kernel/printk/printk.c:3150)
[  568.379414][ T9527]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[  568.379423][ T9527]  console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420)
[  568.379428][ T9527]  ? console_flush_one_record (kernel/printk/printk.c:3316)
[  568.379431][ T9527]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  568.379434][ T9527]  ? 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)
[  568.379441][ T9527]  ? __down_trylock_console_sem (kernel/printk/printk.c:334)
[  568.379444][ T9527]  ? vprintk_emit (kernel/printk/printk.c:2478)
[  568.379449][ T9527]  vprintk_emit (kernel/printk/printk.c:2479)
[  568.379454][ T9527]  ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126))
[  568.379459][ T9527]  ? _mutex_trylock_nest_lock (kernel/locking/mutex.c:1227 (discriminator 6))
[  568.379467][ T9527]  _printk (kernel/printk/printk.c:2504)
[  568.379472][ T9527]  ? snapshot_read.cold (user.c:?)
[  568.379475][ T9527]  ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4116 (discriminator 3) kernel/rcu/tree.c:4108 (discriminator 3))
[  568.379479][ T9527]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380)
[  568.379483][ T9527]  ? validate_chain (kernel/locking/lockdep.c:3817 (discriminator 2) kernel/locking/lockdep.c:3837 (discriminator 2) kernel/locking/lockdep.c:3892 (discriminator 2))
[  568.379487][ T9527]  ? netdev_name (./include/linux/netdevice.h:5709 (discriminator 1))
[  568.379492][ T9527]  ? __netdev_printk (net/core/dev.c:13148 (discriminator 2))
[  568.379497][ T9527]  ? do_setlink.isra.0 (net/core/rtnetlink.c:3246)
[  568.379501][ T9527]  netdev_info (net/core/dev.c:13195 (discriminator 3))
[  568.379505][ T9527]  ? netdev_notice (net/core/dev.c:13194)
[  568.379509][ T9527]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[  568.379515][ T9527]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554)
[  568.379519][ T9527]  ? mark_held_locks (kernel/locking/lockdep.c:4341)
[  568.379525][ T9527]  ? do_setlink.isra.0 (net/core/rtnetlink.c:3246)
[  568.379529][ T9527]  netif_change_name.cold (net/core/dev.c:1507 (discriminator 3))
[  568.379532][ T9527]  ? register_netdev (net/core/dev.c:11618)
[  568.379534][ T9527]  ? 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))
[  568.379543][ T9527]  ? netdev_adjacent_rename_links (net/core/dev.c:9598)
[  568.379547][ T9527]  ? __kernel_text_address (kernel/extable.c:79)
[  568.379550][ T9527]  ? write_profile (profile.c:?)
[  568.379557][ T9527]  ? __asan_memset (mm/kasan/shadow.c:84 (discriminator 1))
[  568.379566][ T9527]  do_setlink.isra.0 (net/core/rtnetlink.c:3246)
[  568.379572][ T9527]  ? stack_trace_save (kernel/stacktrace.c:122 (discriminator 1))
[  568.379575][ T9527]  ? rtnl_link_get_size (net/core/rtnetlink.c:747)
[  568.379577][ T9527]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:388 kernel/rcu/update.c:380)
[  568.379580][ T9527]  ? stack_depot_save_flags (lib/stackdepot.c:609 (discriminator 2) lib/stackdepot.c:676 (discriminator 2))
[  568.379585][ T9527]  ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4116 (discriminator 3) kernel/rcu/tree.c:4108 (discriminator 3))
[  568.379589][ T9527]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380)
[  568.379592][ T9527]  ? validate_chain (kernel/locking/lockdep.c:3817 (discriminator 2) kernel/locking/lockdep.c:3837 (discriminator 2) kernel/locking/lockdep.c:3892 (discriminator 2))
[  568.379595][ T9527]  ? kasan_save_stack (mm/kasan/common.c:58)
[  568.379598][ T9527]  ? kasan_save_stack (mm/kasan/common.c:57)
[  568.379600][ T9527]  ? kasan_save_track (mm/kasan/common.c:78)
[  568.379602][ T9527]  ? __kasan_kmalloc (mm/kasan/common.c:398 mm/kasan/common.c:415)
[  568.379606][ T9527]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[  568.379609][ T9527]  ? snd_ac97_proc_read_main (sound/pci/ac97/ac97_proc.c:320)
[  568.379614][ T9527]  ? ___sys_sendmsg (net/socket.c:2758)
[  568.379620][ T9527]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2))
[  568.379623][ T9527]  ? rtnl_newlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:366 net/core/rtnetlink.c:4214)
[  568.379627][ T9527]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  568.379630][ T9527]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  568.379633][ T9527]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  568.379635][ T9527]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  568.379638][ T9527]  ? trace_contention_end (./include/trace/events/lock.h:121 (discriminator 22))
[  568.379641][ T9527]  ? __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)
[  568.379644][ T9527]  ? __mutex_lock (kernel/locking/mutex.c:656 (discriminator 1) kernel/locking/mutex.c:821 (discriminator 1))
[  568.379647][ T9527]  ? rtnl_newlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:366 net/core/rtnetlink.c:4214)
[  568.379657][ T9527]  ? ww_mutex_lock (kernel/locking/mutex.c:934)
[  568.379659][ T9527]  ? nla_get_range_signed (lib/nlattr.c:270)
[  568.379667][ T9527]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  568.379671][ T9527]  ? __rtnl_newlink (net/core/rtnetlink.c:4063)
[  568.379681][ T9527]  rtnl_newlink (net/core/rtnetlink.c:4215)
[  568.379690][ T9527]  ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558)
[  568.379693][ T9527]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[  568.379702][ T9527]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2))
[  568.379705][ T9527]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[  568.379708][ T9527]  ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558)
[  568.379711][ T9527]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554)
[  568.379718][ T9527]  ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558)
[  568.379722][ T9527]  rtnetlink_rcv_msg (net/core/rtnetlink.c:7132)
[  568.379728][ T9527]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[  568.379730][ T9527]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[  568.379738][ T9527]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2))
[  568.379741][ T9527]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[  568.379747][ T9527]  netlink_rcv_skb (net/netlink/af_netlink.c:2556)
[  568.379751][ T9527]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[  568.379756][ T9527]  ? netlink_ack (./include/linux/skbuff.h:2718)
[  568.379768][ T9527]  ? 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))
[  568.379771][ T9527]  ? 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))
[  568.379779][ T9527]  netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[  568.379786][ T9527]  ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[  568.379790][ T9527]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[  568.379798][ T9527]  netlink_sendmsg (net/netlink/af_netlink.c:1900)
[  568.379805][ T9527]  ? netlink_unicast (./include/net/net_namespace.h:422 (discriminator 7))
[  568.379812][ T9527]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554)
[  568.379815][ T9527]  ? __import_iovec (lib/iov_iter.c:1358 lib/iov_iter.c:1373)
[  568.379823][ T9527]  __sock_sendmsg (net/socket.c:800 (discriminator 4) net/socket.c:815 (discriminator 4))
[  568.379828][ T9527]  ____sys_sendmsg (net/socket.c:2713)
[  568.379832][ T9527]  ? copy_msghdr_from_user (net/socket.c:2650)
[  568.379836][ T9527]  ? sock_write_iter (net/socket.c:1269)
[  568.379838][ T9527]  ? move_addr_to_kernel (net/socket.c:258)
[  568.379852][ T9527]  ___sys_sendmsg (net/socket.c:2767)
[  568.379857][ T9527]  ? copy_msghdr_from_user (net/socket.c:2619)
[  568.379887][ T9527]  __sys_sendmsg (net/socket.c:2799)
[  568.379892][ T9527]  ? __sys_sendmsg_sock (net/socket.c:2780)
[  568.379904][ T9527]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  568.379909][ T9527]  do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84)
[  568.379913][ T9527]  ? exc_page_fault (arch/x86/mm/fault.c:1489 (discriminator 3) arch/x86/mm/fault.c:1536 (discriminator 3))
[  568.379918][ T9527]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[  568.379922][ T9527] RIP: 0033:0x7fe24f83654e
[  568.379927][ T9527] 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
[  568.379929][ T9527] RSP: 002b:00007fffeb3a6410 EFLAGS: 00000202 ORIG_RAX: 000000000000002e
[  568.379933][ T9527] RAX: ffffffffffffffda RBX: 0000000000000005 RCX: 00007fe24f83654e
[  568.379935][ T9527] RDX: 0000000000000000 RSI: 00007fffeb3a64c0 RDI: 0000000000000005
[  568.379937][ T9527] RBP: 00007fffeb3a6420 R08: 0000000000000000 R09: 0000000000000000
[  568.379938][ T9527] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a90fd70
[  568.379939][ T9527] R13: 00000000004a1620 R14: 0000000000000000 R15: 00007fffeb3a6b90
| [  578.470586][ T9670] softirqs last disabled at (24950): netif_change_name (./include/linux/spinlock.h:353 ./include/linux/seqlock.h:908 net/core/dev.c:1499)
| [  578.470589][ T9670] Preemption disabled at:
| [  578.470590][ T9670] vprintk_emit (kernel/printk/printk.c:2471)
| [  578.470602][ T9670] Tainted: [W]=WARN
[  578.470603][ T9670] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[  578.470606][ T9670] Call Trace:
[  578.470608][ T9670]  <TASK>
[  578.470610][ T9670]  dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120)
[  578.470618][ T9670]  ? vprintk_emit (kernel/printk/printk.c:2471)
[  578.470620][ T9670]  __might_resched.cold (kernel/sched/core.c:9234)
[  578.470626][ T9670]  ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3))
[  578.470632][ T9670]  ? __kmalloc_noprof (./include/linux/sched/mm.h:317 mm/slub.c:4636 mm/slub.c:4974 mm/slub.c:5413 mm/slub.c:5439)
[  578.470638][ T9670]  __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))
[  578.470642][ T9670]  ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[  578.470658][ T9670]  ? 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)
[  578.470661][ T9670]  alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[  578.470668][ T9670]  put_chars (drivers/char/virtio_console.c:1176)
[  578.470672][ T9670]  ? __send_to_port (drivers/char/virtio_console.c:654)
[  578.470683][ T9670]  hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2))
[  578.470696][ T9670]  ? hvc_write (drivers/tty/hvc/hvc_console.c:501)
[  578.470701][ T9670]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  578.470708][ T9670]  console_emit_next_record (kernel/printk/printk.c:3183)
[  578.470714][ T9670]  ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20)
[  578.470717][ T9670]  ? 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))
[  578.470723][ T9670]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  578.470726][ T9670]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  578.470733][ T9670]  console_flush_one_record (kernel/printk/printk.c:3268)
[  578.470740][ T9670]  ? console_emit_next_record (kernel/printk/printk.c:3150)
[  578.470743][ T9670]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[  578.470753][ T9670]  console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420)
[  578.470757][ T9670]  ? console_flush_one_record (kernel/printk/printk.c:3316)
[  578.470760][ T9670]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  578.470763][ T9670]  ? 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)
[  578.470769][ T9670]  ? __down_trylock_console_sem (kernel/printk/printk.c:334)
[  578.470772][ T9670]  ? vprintk_emit (kernel/printk/printk.c:2478)
[  578.470777][ T9670]  vprintk_emit (kernel/printk/printk.c:2479)
[  578.470782][ T9670]  ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126))
[  578.470787][ T9670]  ? _mutex_trylock_nest_lock (kernel/locking/mutex.c:1227 (discriminator 6))
[  578.470795][ T9670]  _printk (kernel/printk/printk.c:2504)
[  578.470800][ T9670]  ? snapshot_read.cold (user.c:?)
[  578.470802][ T9670]  ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4116 (discriminator 3) kernel/rcu/tree.c:4108 (discriminator 3))
[  578.470807][ T9670]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380)
[  578.470811][ T9670]  ? validate_chain (kernel/locking/lockdep.c:3817 (discriminator 2) kernel/locking/lockdep.c:3837 (discriminator 2) kernel/locking/lockdep.c:3892 (discriminator 2))
[  578.470814][ T9670]  ? netdev_name (./include/linux/netdevice.h:5709 (discriminator 1))
[  578.470819][ T9670]  ? __netdev_printk (net/core/dev.c:13148 (discriminator 2))
[  578.470824][ T9670]  ? do_setlink.isra.0 (net/core/rtnetlink.c:3246)
[  578.470828][ T9670]  netdev_info (net/core/dev.c:13195 (discriminator 3))
[  578.470832][ T9670]  ? netdev_notice (net/core/dev.c:13194)
[  578.470837][ T9670]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[  578.470842][ T9670]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554)
[  578.470846][ T9670]  ? mark_held_locks (kernel/locking/lockdep.c:4341)
[  578.470852][ T9670]  ? do_setlink.isra.0 (net/core/rtnetlink.c:3246)
[  578.470855][ T9670]  netif_change_name.cold (net/core/dev.c:1507 (discriminator 3))
[  578.470859][ T9670]  ? register_netdev (net/core/dev.c:11618)
[  578.470861][ T9670]  ? 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))
[  578.470869][ T9670]  ? netdev_adjacent_rename_links (net/core/dev.c:9598)
[  578.470873][ T9670]  ? __kernel_text_address (kernel/extable.c:79)
[  578.470876][ T9670]  ? write_profile (profile.c:?)
[  578.470882][ T9670]  ? __asan_memset (mm/kasan/shadow.c:84 (discriminator 1))
[  578.470891][ T9670]  do_setlink.isra.0 (net/core/rtnetlink.c:3246)
[  578.470897][ T9670]  ? stack_trace_save (kernel/stacktrace.c:122 (discriminator 1))
[  578.470901][ T9670]  ? rtnl_link_get_size (net/core/rtnetlink.c:747)
[  578.470903][ T9670]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:388 kernel/rcu/update.c:380)
[  578.470906][ T9670]  ? stack_depot_save_flags (lib/stackdepot.c:609 (discriminator 2) lib/stackdepot.c:676 (discriminator 2))
[  578.470911][ T9670]  ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4116 (discriminator 3) kernel/rcu/tree.c:4108 (discriminator 3))
[  578.470914][ T9670]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380)
[  578.470917][ T9670]  ? validate_chain (kernel/locking/lockdep.c:3817 (discriminator 2) kernel/locking/lockdep.c:3837 (discriminator 2) kernel/locking/lockdep.c:3892 (discriminator 2))
[  578.470921][ T9670]  ? kasan_save_stack (mm/kasan/common.c:58)
[  578.470923][ T9670]  ? kasan_save_stack (mm/kasan/common.c:57)
[  578.470926][ T9670]  ? kasan_save_track (mm/kasan/common.c:78)
[  578.470928][ T9670]  ? __kasan_kmalloc (mm/kasan/common.c:398 mm/kasan/common.c:415)
[  578.470932][ T9670]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[  578.470935][ T9670]  ? snd_ac97_proc_read_main (sound/pci/ac97/ac97_proc.c:320)
[  578.470939][ T9670]  ? ___sys_sendmsg (net/socket.c:2758)
[  578.470945][ T9670]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2))
[  578.470949][ T9670]  ? rtnl_newlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:366 net/core/rtnetlink.c:4214)
[  578.470953][ T9670]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  578.470956][ T9670]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  578.470959][ T9670]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  578.470961][ T9670]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  578.470964][ T9670]  ? trace_contention_end (./include/trace/events/lock.h:121 (discriminator 22))
[  578.470967][ T9670]  ? __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)
[  578.470970][ T9670]  ? __mutex_lock (kernel/locking/mutex.c:656 (discriminator 1) kernel/locking/mutex.c:821 (discriminator 1))
[  578.470973][ T9670]  ? rtnl_newlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:366 net/core/rtnetlink.c:4214)
[  578.470979][ T9670]  ? ww_mutex_lock (kernel/locking/mutex.c:934)
[  578.470981][ T9670]  ? nla_get_range_signed (lib/nlattr.c:270)
[  578.470989][ T9670]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  578.470993][ T9670]  ? __rtnl_newlink (net/core/rtnetlink.c:4063)
[  578.471003][ T9670]  rtnl_newlink (net/core/rtnetlink.c:4215)
[  578.471013][ T9670]  ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558)
[  578.471016][ T9670]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[  578.471029][ T9670]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2))
[  578.471032][ T9670]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[  578.471035][ T9670]  ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558)
[  578.471039][ T9670]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554)
[  578.471045][ T9670]  ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558)
[  578.471049][ T9670]  rtnetlink_rcv_msg (net/core/rtnetlink.c:7132)
[  578.471054][ T9670]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[  578.471056][ T9670]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[  578.471064][ T9670]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2))
[  578.471067][ T9670]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[  578.471073][ T9670]  netlink_rcv_skb (net/netlink/af_netlink.c:2556)
[  578.471077][ T9670]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[  578.471083][ T9670]  ? netlink_ack (./include/linux/skbuff.h:2718)
[  578.471094][ T9670]  ? 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))
[  578.471097][ T9670]  ? 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))
[  578.471105][ T9670]  netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[  578.471112][ T9670]  ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[  578.471116][ T9670]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[  578.471123][ T9670]  netlink_sendmsg (net/netlink/af_netlink.c:1900)
[  578.471130][ T9670]  ? netlink_unicast (./include/net/net_namespace.h:422 (discriminator 7))
[  578.471136][ T9670]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554)
[  578.471139][ T9670]  ? __import_iovec (lib/iov_iter.c:1358 lib/iov_iter.c:1373)
[  578.471147][ T9670]  __sock_sendmsg (net/socket.c:800 (discriminator 4) net/socket.c:815 (discriminator 4))
[  578.471152][ T9670]  ____sys_sendmsg (net/socket.c:2713)
[  578.471156][ T9670]  ? copy_msghdr_from_user (net/socket.c:2650)
[  578.471159][ T9670]  ? sock_write_iter (net/socket.c:1269)
[  578.471162][ T9670]  ? move_addr_to_kernel (net/socket.c:258)
[  578.471175][ T9670]  ___sys_sendmsg (net/socket.c:2767)
[  578.471180][ T9670]  ? copy_msghdr_from_user (net/socket.c:2619)
[  578.471210][ T9670]  __sys_sendmsg (net/socket.c:2799)
[  578.471214][ T9670]  ? __sys_sendmsg_sock (net/socket.c:2780)
[  578.471225][ T9670]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  578.471231][ T9670]  do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84)
[  578.471235][ T9670]  ? exc_page_fault (arch/x86/mm/fault.c:1489 (discriminator 3) arch/x86/mm/fault.c:1536 (discriminator 3))
[  578.471240][ T9670]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[  578.471244][ T9670] RIP: 0033:0x7fa14866954e
[  578.471249][ T9670] 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
[  578.471252][ T9670] RSP: 002b:00007ffc1d58c1a0 EFLAGS: 00000202 ORIG_RAX: 000000000000002e
[  578.471256][ T9670] RAX: ffffffffffffffda RBX: 0000000000000005 RCX: 00007fa14866954e
[  578.471258][ T9670] RDX: 0000000000000000 RSI: 00007ffc1d58c250 RDI: 0000000000000005
[  578.471259][ T9670] RBP: 00007ffc1d58c1b0 R08: 0000000000000000 R09: 0000000000000000
[  578.471261][ T9670] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a90fd7a
[  578.471262][ T9670] R13: 00000000004a1620 R14: 0000000000000000 R15: 00007ffc1d58c920
| [  578.492078][    C0]
| [  578.492079][    C0]
| [  578.492079][    C0] stack backtrace:
| [  578.492085][    C0] Tainted: [W]=WARN
[  578.492086][    C0] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[  578.492088][    C0] Call Trace:
[  578.492089][    C0]  <IRQ>
[  578.492090][    C0]  dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120)
[  578.492095][    C0]  print_irq_inversion_bug.part.0.cold (kernel/locking/lockdep.c:4141)
[  578.492097][    C0]  mark_lock_irq (kernel/locking/lockdep.c:4095 kernel/locking/lockdep.c:4174 kernel/locking/lockdep.c:4310)
[  578.492099][    C0]  ? add_lock_to_list (./include/linux/find.h:391 kernel/locking/lockdep.c:1419 kernel/locking/lockdep.c:1450)
[  578.492102][    C0]  mark_lock (kernel/locking/lockdep.c:4769)
[  578.492104][    C0]  mark_usage (kernel/locking/lockdep.c:4658)
[  578.492106][    C0]  __lock_acquire (kernel/locking/lockdep.c:5208)
[  578.492108][    C0]  lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2))
[  578.492110][    C0]  ? console_trylock_spinning (kernel/printk/printk.c:2026 (discriminator 2))
[  578.492112][    C0]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  578.492115][    C0]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  578.492117][    C0]  console_trylock_spinning (kernel/printk/printk.c:2026 (discriminator 2))
[  578.492119][    C0]  ? console_trylock_spinning (kernel/printk/printk.c:2026 (discriminator 2))
[  578.492121][    C0]  vprintk_emit (kernel/printk/printk.c:2478)
[  578.492122][    C0]  ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126))
[  578.492124][    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))
[  578.492126][    C0]  _printk (kernel/printk/printk.c:2504)
[  578.492128][    C0]  ? snapshot_read.cold (user.c:?)
[  578.492130][    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))
[  578.492132][    C0]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554)
[  578.492135][    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))
[  578.492136][    C0]  ? clocksource_watchdog.part.0 (./include/linux/find.h:67 (discriminator 4))
[  578.492138][    C0]  ? clocksource_watchdog.part.0 (./include/linux/find.h:67 (discriminator 4))
[  578.492140][    C0]  call_timer_fn (kernel/time/timer.c:1748)
[  578.492142][    C0]  ? detach_if_pending (./include/linux/list.h:1159)
[  578.492144][    C0]  ? debug_object_active_state (lib/debugobjects.c:1122)
[  578.492147][    C0]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[  578.492149][    C0]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554)
[  578.492151][    C0]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  578.492152][    C0]  __run_timers (kernel/time/timer.c:1799 kernel/time/timer.c:2374)
[  578.492154][    C0]  ? clocksource_watchdog.part.0 (./include/linux/find.h:67 (discriminator 4))
[  578.492156][    C0]  ? __bpf_trace_itimer_expire (./include/trace/events/timer.h:407)
[  578.492158][    C0]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[  578.492161][    C0]  ? __rwlock_init (kernel/locking/spinlock_debug.c:48)
[  578.492164][    C0]  run_timer_softirq (kernel/time/timer.c:2386 kernel/time/timer.c:2395 kernel/time/timer.c:2403)
[  578.492166][    C0]  ? __run_timers (./include/trace/events/timer.h:138 (discriminator 19))
[  578.492168][    C0]  ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22))
[  578.492171][    C0]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  578.492172][    C0]  handle_softirqs (kernel/softirq.c:645)
[  578.492174][    C0]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554)
[  578.492176][    C0]  ? _local_bh_enable (kernel/softirq.c:428 (discriminator 1))
[  578.492178][    C0]  __irq_exit_rcu (kernel/softirq.c:679 kernel/softirq.c:519 kernel/softirq.c:767)
[  578.492179][    C0]  irq_exit_rcu (kernel/softirq.c:784)
[  578.492181][    C0]  sysvec_apic_timer_interrupt (arch/x86/kernel/apic/apic.c:1062 (discriminator 37) arch/x86/kernel/apic/apic.c:1062 (discriminator 37))
[  578.492183][    C0]  </IRQ>
[  578.492183][    C0]  <TASK>
[  578.492184][    C0]  ? lockdep_hardirqs_on_prepare.part.0 (kernel/locking/lockdep.c:470 (discriminator 2) kernel/locking/lockdep.c:4427 (discriminator 2))
[  578.492186][    C0]  asm_sysvec_apic_timer_interrupt (./arch/x86/include/asm/idtentry.h:674)
[  578.492187][    C0] RIP: 0010:pv_native_safe_halt (./arch/x86/include/asm/irqflags.h:48 arch/x86/kernel/paravirt.c:63)
[  578.492190][    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
[  578.492192][    C0] RSP: 0018:ffffffffa0c07cf8 EFLAGS: 00000296
[  578.492194][    C0] RAX: 000000000125d317 RBX: ffffffffa0c30600 RCX: ffffffff9d306247
[  578.492195][    C0] RDX: ffffffffa0c30600 RSI: ffffffffa0511027 RDI: ffffffff9fe949e0
[  578.492196][    C0] RBP: 0000000000000000 R08: 0000000000000000 R09: 0000000000000000
[  578.492197][    C0] R10: 0000000000000000 R11: 0000000000000001 R12: 1ffffffff4180fa2
[  578.492198][    C0] R13: 0000000000000000 R14: dffffc0000000000 R15: 0000000000014770
[  578.492200][    C0]  ? cpuidle_idle_call.constprop.0 (kernel/sched/idle.c:199)
[  578.492203][    C0]  ? lockdep_hardirqs_on (kernel/locking/lockdep.c:4488)
[  578.492205][    C0]  default_idle (./arch/x86/include/asm/paravirt.h:62 arch/x86/kernel/process.c:768)
[  578.492206][    C0]  default_idle_call (kernel/sched/idle.c:122)
[  578.492208][    C0]  cpuidle_idle_call.constprop.0 (kernel/sched/idle.c:199)
[  578.492209][    C0]  ? arch_cpu_idle_exit+0x40/0x40
[  578.492211][    C0]  ? mark_tsc_async_resets (arch/x86/kernel/tsc_sync.c:49)
[  578.492214][    C0]  ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22))
[  578.492215][    C0]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  578.492217][    C0]  do_idle (kernel/sched/idle.c:355)
[  578.492219][    C0]  cpu_startup_entry (kernel/sched/idle.c:454)
[  578.492220][    C0]  rest_init (init/main.c:727)
[  578.492222][    C0]  ? __cpuidle_text_end (??:?)
[  578.492225][    C0]  ? rest_init (init/main.c:727)
[  578.492226][    C0]  ? acpi_hw_set_mode (drivers/acpi/acpica/hwacpi.c:72 (discriminator 1))
[  578.492229][    C0]  ? cpus_read_unlock (./include/linux/percpu-rwsem.h:125 (discriminator 1) kernel/cpu.c:502 (discriminator 1))
[  578.492231][    C0]  ? acpi_enable (drivers/acpi/acpica/evxfevnt.c:47)
[  578.492233][    C0]  start_kernel (init/main.c:1185)
[  578.492235][    C0]  x86_64_start_reservations (arch/x86/kernel/head64.c:310)
[  578.492237][    C0]  x86_64_start_kernel (arch/x86/kernel/head64.c:291)
[  578.492238][    C0]  common_startup_64 (arch/x86/kernel/head_64.S:418)
| [  586.448837][ T9813] softirqs last disabled at (0): 0x0
| [  586.448839][ T9813] Preemption disabled at:
| [  586.448839][ T9813] vprintk_emit (kernel/printk/printk.c:2471)
| [  586.448850][ T9813] Tainted: [W]=WARN
[  586.448851][ T9813] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[  586.448852][ T9813] Call Trace:
[  586.448854][ T9813]  <TASK>
[  586.448855][ T9813]  dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120)
[  586.448861][ T9813]  ? vprintk_emit (kernel/printk/printk.c:2471)
[  586.448862][ T9813]  __might_resched.cold (kernel/sched/core.c:9234)
[  586.448866][ T9813]  ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3))
[  586.448869][ T9813]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  586.448872][ T9813]  __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))
[  586.448875][ T9813]  ? __rwlock_init (kernel/locking/spinlock_debug.c:48)
[  586.448878][ T9813]  ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[  586.448883][ T9813]  ? 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)
[  586.448884][ T9813]  alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[  586.448887][ T9813]  put_chars (drivers/char/virtio_console.c:1176)
[  586.448888][ T9813]  ? __send_to_port (drivers/char/virtio_console.c:654)
[  586.448889][ T9813]  ? printk_get_next_message (kernel/printk/printk.c:3072)
[  586.448892][ T9813]  ? console_prepend_replay (kernel/printk/printk.c:3005)
[  586.448894][ T9813]  ? pointer (lib/vsprintf.c:2577)
[  586.448897][ T9813]  hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2))
[  586.448902][ T9813]  ? hvc_write (drivers/tty/hvc/hvc_console.c:501)
[  586.448904][ T9813]  ? __rwlock_init (kernel/locking/spinlock_debug.c:48)
[  586.448906][ T9813]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  586.448908][ T9813]  console_emit_next_record (kernel/printk/printk.c:3183)
[  586.448911][ T9813]  ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20)
[  586.448913][ T9813]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  586.448914][ T9813]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  586.448915][ T9813]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  586.448916][ T9813]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  586.448918][ T9813]  ? console_flush_one_record (kernel/printk/printk.c:3247)
[  586.448920][ T9813]  console_flush_one_record (kernel/printk/printk.c:3268)
[  586.448922][ T9813]  ? console_emit_next_record (kernel/printk/printk.c:3150)
[  586.448925][ T9813]  console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420)
[  586.448927][ T9813]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  586.448928][ T9813]  ? console_flush_one_record (kernel/printk/printk.c:3316)
[  586.448930][ T9813]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  586.448931][ T9813]  ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22))
[  586.448933][ T9813]  ? 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)
[  586.448934][ T9813]  ? __rcu_read_lock (kernel/rcu/tree_plugin.h:391 (discriminator 6))
[  586.448936][ T9813]  ? __down_trylock_console_sem (kernel/printk/printk.c:334)
[  586.448938][ T9813]  ? vprintk_emit (kernel/printk/printk.c:2478)
[  586.448939][ T9813]  vprintk_emit (kernel/printk/printk.c:2479)
[  586.448941][ T9813]  ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126))
[  586.448942][ T9813]  ? prepare_to_wait_event (kernel/sched/wait.c:318 (discriminator 7))
[  586.448944][ T9813]  ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22))
[  586.448947][ T9813]  ? _mutex_trylock_nest_lock (kernel/locking/mutex.c:1227 (discriminator 6))
[  586.448950][ T9813]  _printk (kernel/printk/printk.c:2504)
[  586.448953][ T9813]  ? snapshot_read.cold (user.c:?)
[  586.448955][ T9813]  ? synchronize_rcu_normal (kernel/rcu/tree.c:3360)
[  586.448957][ T9813]  ? netdev_name (./include/linux/netdevice.h:5709 (discriminator 1))
[  586.448960][ T9813]  ? __netdev_printk (net/core/dev.c:13148 (discriminator 2))
[  586.448962][ T9813]  ? do_setlink.isra.0 (net/core/rtnetlink.c:3246)
[  586.448966][ T9813]  netdev_info (net/core/dev.c:13195 (discriminator 3))
[  586.448968][ T9813]  ? netdev_notice (net/core/dev.c:13194)
[  586.448970][ T9813]  ? 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)
[  586.448971][ T9813]  ? __dev_change_net_namespace (net/core/dev.c:12342 net/core/dev.c:12883)
[  586.448974][ T9813]  ? __rwlock_init (kernel/locking/spinlock_debug.c:48)
[  586.448976][ T9813]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  586.448977][ T9813]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  586.448978][ T9813]  ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22))
[  586.448979][ T9813]  ? trace_irq_disable.constprop.0 (./include/trace/events/preemptirq.h:36 (discriminator 22))
[  586.448981][ T9813]  ? 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)
[  586.448982][ T9813]  ? do_setlink.isra.0 (net/core/rtnetlink.c:3246)
[  586.448983][ T9813]  netif_change_name.cold (net/core/dev.c:1507 (discriminator 3))
[  586.448985][ T9813]  ? register_netdev (net/core/dev.c:11618)
[  586.448986][ T9813]  ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22))
[  586.448988][ T9813]  ? netdev_adjacent_rename_links (net/core/dev.c:9598)
[  586.448991][ T9813]  ? __kernel_text_address (kernel/extable.c:79)
[  586.448993][ T9813]  ? write_profile (profile.c:?)
[  586.448996][ T9813]  ? __asan_memset (mm/kasan/shadow.c:84 (discriminator 1))
[  586.448999][ T9813]  do_setlink.isra.0 (net/core/rtnetlink.c:3246)
[  586.449001][ T9813]  ? stack_trace_save (kernel/stacktrace.c:122 (discriminator 1))
[  586.449003][ T9813]  ? rtnl_link_get_size (net/core/rtnetlink.c:747)
[  586.449004][ T9813]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  586.449005][ T9813]  ? stack_depot_save_flags (lib/stackdepot.c:609 lib/stackdepot.c:676)
[  586.449008][ T9813]  ? kasan_save_stack (mm/kasan/common.c:58)
[  586.449010][ T9813]  ? kasan_save_stack (mm/kasan/common.c:57)
[  586.449011][ T9813]  ? kasan_save_track (mm/kasan/common.c:78)
[  586.449012][ T9813]  ? __kasan_kmalloc (mm/kasan/common.c:398 mm/kasan/common.c:415)
[  586.449013][ T9813]  ? __kmalloc_cache_noprof (./include/linux/kasan.h:263 mm/slub.c:5563)
[  586.449014][ T9813]  ? rtnl_newlink (./include/linux/slab.h:991 (discriminator 1) net/core/rtnetlink.c:4113 (discriminator 1))
[  586.449016][ T9813]  ? rtnetlink_rcv_msg (net/core/rtnetlink.c:7132)
[  586.449017][ T9813]  ? netlink_rcv_skb (net/netlink/af_netlink.c:2556)
[  586.449020][ T9813]  ? netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[  586.449021][ T9813]  ? netlink_sendmsg (net/netlink/af_netlink.c:1900)
[  586.449023][ T9813]  ? __sock_sendmsg (net/socket.c:800 (discriminator 4) net/socket.c:815 (discriminator 4))
[  586.449025][ T9813]  ? ____sys_sendmsg (net/socket.c:2713)
[  586.449026][ T9813]  ? ___sys_sendmsg (net/socket.c:2767)
[  586.449028][ T9813]  ? __sys_sendmsg (net/socket.c:2799)
[  586.449030][ T9813]  ? do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84)
[  586.449032][ T9813]  ? entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[  586.449034][ T9813]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  586.449035][ T9813]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  586.449037][ T9813]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  586.449038][ T9813]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  586.449039][ T9813]  ? trace_contention_end (./include/trace/events/lock.h:121 (discriminator 22))
[  586.449040][ T9813]  ? __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)
[  586.449041][ T9813]  ? __mutex_lock (kernel/locking/mutex.c:656 (discriminator 1) kernel/locking/mutex.c:821 (discriminator 1))
[  586.449042][ T9813]  ? rtnl_newlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:366 net/core/rtnetlink.c:4214)
[  586.449044][ T9813]  ? ww_mutex_lock (kernel/locking/mutex.c:934)
[  586.449045][ T9813]  ? nla_get_range_signed (lib/nlattr.c:270)
[  586.449048][ T9813]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  586.449049][ T9813]  ? __rtnl_newlink (net/core/rtnetlink.c:4063)
[  586.449052][ T9813]  rtnl_newlink (net/core/rtnetlink.c:4215)
[  586.449053][ T9813]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  586.449055][ T9813]  ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558)
[  586.449056][ T9813]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  586.449057][ T9813]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  586.449059][ T9813]  ? is_bpf_text_address (./include/linux/rcupdate.h:850 kernel/bpf/core.c:749)
[  586.449061][ T9813]  ? is_bpf_text_address (./include/linux/rcupdate.h:882 kernel/bpf/core.c:751)
[  586.449062][ T9813]  ? kernel_text_address (kernel/extable.c:125 kernel/extable.c:94)
[  586.449063][ T9813]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  586.449065][ T9813]  ? cap_capable (./include/trace/events/capability.h:26 (discriminator 22) security/commoncap.c:130 (discriminator 22))
[  586.449068][ T9813]  ? arch_stack_walk (arch/x86/kernel/stacktrace.c:26)
[  586.449075][ T9813]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  586.449076][ T9813]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  586.449077][ T9813]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  586.449078][ T9813]  ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558)
[  586.449080][ T9813]  rtnetlink_rcv_msg (net/core/rtnetlink.c:7132)
[  586.449081][ T9813]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[  586.449083][ T9813]  ? filter_irq_stacks (kernel/stacktrace.c:402)
[  586.449084][ T9813]  ? stack_depot_save_flags (lib/stackdepot.c:609 lib/stackdepot.c:676)
[  586.449087][ T9813]  netlink_rcv_skb (net/netlink/af_netlink.c:2556)
[  586.449089][ T9813]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[  586.449090][ T9813]  ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22))
[  586.449092][ T9813]  ? netlink_ack (./include/linux/skbuff.h:2718)
[  586.449093][ T9813]  ? __netlink_lookup (./include/linux/rcupdate.h:850 ./include/linux/rhashtable.h:709 net/netlink/af_netlink.c:499)
[  586.449096][ T9813]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  586.449097][ T9813]  ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22))
[  586.449099][ T9813]  netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[  586.449102][ T9813]  ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[  586.449103][ T9813]  ? entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[  586.449105][ T9813]  netlink_sendmsg (net/netlink/af_netlink.c:1900)
[  586.449107][ T9813]  ? netlink_unicast (./include/net/net_namespace.h:422 (discriminator 7))
[  586.449109][ T9813]  ? kernel_text_address (kernel/extable.c:125 kernel/extable.c:94)
[  586.449111][ T9813]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  586.449112][ T9813]  ? __import_iovec (lib/iov_iter.c:1358 lib/iov_iter.c:1373)
[  586.449115][ T9813]  __sock_sendmsg (net/socket.c:800 (discriminator 4) net/socket.c:815 (discriminator 4))
[  586.449117][ T9813]  ____sys_sendmsg (net/socket.c:2713)
[  586.449119][ T9813]  ? copy_msghdr_from_user (net/socket.c:2650)
[  586.449120][ T9813]  ? sock_write_iter (net/socket.c:1269)
[  586.449122][ T9813]  ? move_addr_to_kernel (net/socket.c:258)
[  586.449123][ T9813]  ? filter_irq_stacks (kernel/stacktrace.c:402)
[  586.449126][ T9813]  ___sys_sendmsg (net/socket.c:2767)
[  586.449128][ T9813]  ? copy_msghdr_from_user (net/socket.c:2619)
[  586.449133][ T9813]  __sys_sendmsg (net/socket.c:2799)
[  586.449135][ T9813]  ? __sys_sendmsg_sock (net/socket.c:2780)
[  586.449137][ T9813]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  586.449139][ T9813]  do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84)
[  586.449141][ T9813]  ? exc_page_fault (arch/x86/mm/fault.c:1489 (discriminator 3) arch/x86/mm/fault.c:1536 (discriminator 3))
[  586.449143][ T9813]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[  586.449144][ T9813] RIP: 0033:0x7f3cdbb5754e
[  586.449146][ T9813] 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
[  586.449148][ T9813] RSP: 002b:00007ffdb4922250 EFLAGS: 00000202 ORIG_RAX: 000000000000002e
[  586.449151][ T9813] RAX: ffffffffffffffda RBX: 0000000000000005 RCX: 00007f3cdbb5754e
[  586.449153][ T9813] RDX: 0000000000000000 RSI: 00007ffdb4922300 RDI: 0000000000000005
[  586.449154][ T9813] RBP: 00007ffdb4922260 R08: 0000000000000000 R09: 0000000000000000
[  586.449154][ T9813] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a90fd82
[  586.449155][ T9813] R13: 00000000004a1620 R14: 0000000000000000 R15: 00007ffdb49229d0
| [  594.388571][ T9956] softirqs last disabled at (0): 0x0
| [  594.388572][ T9956] Preemption disabled at:
| [  594.388573][ T9956] vprintk_emit (kernel/printk/printk.c:2471)
| [  594.388583][ T9956] Tainted: [W]=WARN
[  594.388584][ T9956] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[  594.388586][ T9956] Call Trace:
[  594.388587][ T9956]  <TASK>
[  594.388588][ T9956]  dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120)
[  594.388594][ T9956]  ? vprintk_emit (kernel/printk/printk.c:2471)
[  594.388595][ T9956]  __might_resched.cold (kernel/sched/core.c:9234)
[  594.388599][ T9956]  ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3))
[  594.388602][ T9956]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  594.388605][ T9956]  __kmalloc_noprof (./include/linux/sched/mm.h:322 (discriminator 2) mm/slub.c:4636 (discriminator 2) mm/slub.c:4974 (discriminator 2) mm/slub.c:5413 (discriminator 2) mm/slub.c:5439 (discriminator 2))
[  594.388608][ T9956]  ? __rwlock_init (kernel/locking/spinlock_debug.c:48)
[  594.388611][ T9956]  ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[  594.388616][ T9956]  ? do_raw_spin_unlock (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:32 ./include/asm-generic/qspinlock.h:58 kernel/locking/spinlock_debug.c:101 kernel/locking/spinlock_debug.c:141)
[  594.388618][ T9956]  alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[  594.388620][ T9956]  put_chars (drivers/char/virtio_console.c:1176)
[  594.388622][ T9956]  ? __send_to_port (drivers/char/virtio_console.c:654)
[  594.388623][ T9956]  ? printk_get_next_message (kernel/printk/printk.c:3072)
[  594.388626][ T9956]  ? console_prepend_replay (kernel/printk/printk.c:3005)
[  594.388628][ T9956]  ? pointer (lib/vsprintf.c:2577)
[  594.388631][ T9956]  hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2))
[  594.388636][ T9956]  ? hvc_write (drivers/tty/hvc/hvc_console.c:501)
[  594.388637][ T9956]  ? __rwlock_init (kernel/locking/spinlock_debug.c:48)
[  594.388639][ T9956]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  594.388642][ T9956]  console_emit_next_record (kernel/printk/printk.c:3183)
[  594.388644][ T9956]  ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20)
[  594.388647][ T9956]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  594.388648][ T9956]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  594.388651][ T9956]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  594.388652][ T9956]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  594.388654][ T9956]  ? console_flush_one_record (kernel/printk/printk.c:3247)
[  594.388656][ T9956]  console_flush_one_record (kernel/printk/printk.c:3268)
[  594.388659][ T9956]  ? console_emit_next_record (kernel/printk/printk.c:3150)
[  594.388661][ T9956]  console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420)
[  594.388663][ T9956]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  594.388665][ T9956]  ? console_flush_one_record (kernel/printk/printk.c:3316)
[  594.388667][ T9956]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  594.388667][ T9956]  ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22))
[  594.388669][ T9956]  ? lock_acquire (./include/linux/srcutree.h:374 ./include/linux/srcu.h:541 ./include/linux/srcu.h:645 ./include/trace/events/lock.h:23 ./include/trace/events/lock.h:23 kernel/locking/lockdep.c:5871)
[  594.388670][ T9956]  ? __rcu_read_lock (kernel/rcu/tree_plugin.h:391 (discriminator 6))
[  594.388672][ T9956]  ? __down_trylock_console_sem (kernel/printk/printk.c:334)
[  594.388674][ T9956]  ? vprintk_emit (kernel/printk/printk.c:2478)
[  594.388675][ T9956]  vprintk_emit (kernel/printk/printk.c:2479)
[  594.388677][ T9956]  ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126))
[  594.388678][ T9956]  ? prepare_to_wait_event (kernel/sched/wait.c:318 (discriminator 7))
[  594.388681][ T9956]  ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22))
[  594.388684][ T9956]  ? _mutex_trylock_nest_lock (kernel/locking/mutex.c:1227 (discriminator 6))
[  594.388686][ T9956]  _printk (kernel/printk/printk.c:2504)
[  594.388689][ T9956]  ? snapshot_read.cold (user.c:?)
[  594.388691][ T9956]  ? synchronize_rcu_normal (kernel/rcu/tree.c:3360)
[  594.388693][ T9956]  ? netdev_name (./include/linux/netdevice.h:5709 (discriminator 1))
[  594.388697][ T9956]  ? __netdev_printk (net/core/dev.c:13148 (discriminator 2))
[  594.388699][ T9956]  ? do_setlink.isra.0 (net/core/rtnetlink.c:3246)
[  594.388702][ T9956]  netdev_info (net/core/dev.c:13195 (discriminator 3))
[  594.388704][ T9956]  ? netdev_notice (net/core/dev.c:13194)
[  594.388706][ T9956]  ? 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)
[  594.388708][ T9956]  ? __dev_change_net_namespace (net/core/dev.c:12342 net/core/dev.c:12883)
[  594.388711][ T9956]  ? __rwlock_init (kernel/locking/spinlock_debug.c:48)
[  594.388712][ T9956]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  594.388713][ T9956]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  594.388714][ T9956]  ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22))
[  594.388716][ T9956]  ? trace_irq_disable.constprop.0 (./include/trace/events/preemptirq.h:36 (discriminator 22))
[  594.388717][ T9956]  ? 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)
[  594.388719][ T9956]  ? do_setlink.isra.0 (net/core/rtnetlink.c:3246)
[  594.388720][ T9956]  netif_change_name.cold (net/core/dev.c:1507 (discriminator 3))
[  594.388722][ T9956]  ? register_netdev (net/core/dev.c:11618)
[  594.388723][ T9956]  ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22))
[  594.388725][ T9956]  ? netdev_adjacent_rename_links (net/core/dev.c:9598)
[  594.388728][ T9956]  ? __kernel_text_address (kernel/extable.c:79)
[  594.388730][ T9956]  ? write_profile (profile.c:?)
[  594.388733][ T9956]  ? __asan_memset (mm/kasan/shadow.c:84 (discriminator 1))
[  594.388737][ T9956]  do_setlink.isra.0 (net/core/rtnetlink.c:3246)
[  594.388738][ T9956]  ? stack_trace_save (kernel/stacktrace.c:122 (discriminator 1))
[  594.388740][ T9956]  ? rtnl_link_get_size (net/core/rtnetlink.c:747)
[  594.388741][ T9956]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  594.388742][ T9956]  ? stack_depot_save_flags (lib/stackdepot.c:609 lib/stackdepot.c:676)
[  594.388745][ T9956]  ? kasan_save_stack (mm/kasan/common.c:58)
[  594.388747][ T9956]  ? kasan_save_stack (mm/kasan/common.c:57)
[  594.388748][ T9956]  ? kasan_save_track (mm/kasan/common.c:78)
[  594.388749][ T9956]  ? __kasan_kmalloc (mm/kasan/common.c:398 mm/kasan/common.c:415)
[  594.388750][ T9956]  ? __kmalloc_cache_noprof (./include/linux/kasan.h:263 mm/slub.c:5563)
[  594.388751][ T9956]  ? rtnl_newlink (./include/linux/slab.h:991 (discriminator 1) net/core/rtnetlink.c:4113 (discriminator 1))
[  594.388752][ T9956]  ? rtnetlink_rcv_msg (net/core/rtnetlink.c:7132)
[  594.388754][ T9956]  ? netlink_rcv_skb (net/netlink/af_netlink.c:2556)
[  594.388756][ T9956]  ? netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[  594.388758][ T9956]  ? netlink_sendmsg (net/netlink/af_netlink.c:1900)
[  594.388760][ T9956]  ? __sock_sendmsg (net/socket.c:800 (discriminator 4) net/socket.c:815 (discriminator 4))
[  594.388762][ T9956]  ? ____sys_sendmsg (net/socket.c:2713)
[  594.388763][ T9956]  ? ___sys_sendmsg (net/socket.c:2767)
[  594.388765][ T9956]  ? __sys_sendmsg (net/socket.c:2799)
[  594.388766][ T9956]  ? do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84)
[  594.388769][ T9956]  ? entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[  594.388771][ T9956]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  594.388772][ T9956]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  594.388774][ T9956]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  594.388775][ T9956]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  594.388776][ T9956]  ? trace_contention_end (./include/trace/events/lock.h:121 (discriminator 22))
[  594.388777][ T9956]  ? __mutex_lock (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:3188 kernel/locking/mutex.c:89 kernel/locking/mutex.c:134 kernel/locking/mutex.c:649 kernel/locking/mutex.c:821)
[  594.388778][ T9956]  ? __mutex_lock (kernel/locking/mutex.c:656 (discriminator 1) kernel/locking/mutex.c:821 (discriminator 1))
[  594.388780][ T9956]  ? rtnl_newlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:366 net/core/rtnetlink.c:4214)
[  594.388781][ T9956]  ? ww_mutex_lock (kernel/locking/mutex.c:934)
[  594.388782][ T9956]  ? nla_get_range_signed (lib/nlattr.c:270)
[  594.388785][ T9956]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  594.388787][ T9956]  ? __rtnl_newlink (net/core/rtnetlink.c:4063)
[  594.388789][ T9956]  rtnl_newlink (net/core/rtnetlink.c:4215)
[  594.388791][ T9956]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  594.388792][ T9956]  ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558)
[  594.388793][ T9956]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  594.388795][ T9956]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  594.388796][ T9956]  ? is_bpf_text_address (./include/linux/rcupdate.h:850 kernel/bpf/core.c:749)
[  594.388798][ T9956]  ? is_bpf_text_address (./include/linux/rcupdate.h:882 kernel/bpf/core.c:751)
[  594.388799][ T9956]  ? kernel_text_address (kernel/extable.c:125 kernel/extable.c:94)
[  594.388801][ T9956]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  594.388802][ T9956]  ? cap_capable (./include/trace/events/capability.h:26 (discriminator 22) security/commoncap.c:130 (discriminator 22))
[  594.388805][ T9956]  ? arch_stack_walk (arch/x86/kernel/stacktrace.c:26)
[  594.388808][ T9956]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  594.388809][ T9956]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  594.388810][ T9956]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  594.388811][ T9956]  ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558)
[  594.388813][ T9956]  rtnetlink_rcv_msg (net/core/rtnetlink.c:7132)
[  594.388814][ T9956]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[  594.388816][ T9956]  ? filter_irq_stacks (kernel/stacktrace.c:402)
[  594.388817][ T9956]  ? stack_depot_save_flags (lib/stackdepot.c:609 lib/stackdepot.c:676)
[  594.388819][ T9956]  netlink_rcv_skb (net/netlink/af_netlink.c:2556)
[  594.388821][ T9956]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[  594.388822][ T9956]  ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22))
[  594.388824][ T9956]  ? netlink_ack (./include/linux/skbuff.h:2718)
[  594.388826][ T9956]  ? __netlink_lookup (./include/linux/rcupdate.h:850 ./include/linux/rhashtable.h:709 net/netlink/af_netlink.c:499)
[  594.388829][ T9956]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  594.388830][ T9956]  ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22))
[  594.388832][ T9956]  netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[  594.388834][ T9956]  ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[  594.388836][ T9956]  ? entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[  594.388838][ T9956]  netlink_sendmsg (net/netlink/af_netlink.c:1900)
[  594.388840][ T9956]  ? netlink_unicast (./include/net/net_namespace.h:422 (discriminator 7))
[  594.388841][ T9956]  ? kernel_text_address (kernel/extable.c:125 kernel/extable.c:94)
[  594.388843][ T9956]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  594.388844][ T9956]  ? __import_iovec (lib/iov_iter.c:1358 lib/iov_iter.c:1373)
[  594.388848][ T9956]  __sock_sendmsg (net/socket.c:800 (discriminator 4) net/socket.c:815 (discriminator 4))
[  594.388849][ T9956]  ____sys_sendmsg (net/socket.c:2713)
[  594.388851][ T9956]  ? copy_msghdr_from_user (net/socket.c:2650)
[  594.388853][ T9956]  ? sock_write_iter (net/socket.c:1269)
[  594.388854][ T9956]  ? move_addr_to_kernel (net/socket.c:258)
[  594.388856][ T9956]  ? filter_irq_stacks (kernel/stacktrace.c:402)
[  594.388858][ T9956]  ___sys_sendmsg (net/socket.c:2767)
[  594.388860][ T9956]  ? copy_msghdr_from_user (net/socket.c:2619)
[  594.388865][ T9956]  __sys_sendmsg (net/socket.c:2799)
[  594.388867][ T9956]  ? __sys_sendmsg_sock (net/socket.c:2780)
[  594.388870][ T9956]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  594.388871][ T9956]  do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84)
[  594.388873][ T9956]  ? exc_page_fault (arch/x86/mm/fault.c:1489 (discriminator 3) arch/x86/mm/fault.c:1536 (discriminator 3))
[  594.388875][ T9956]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[  594.388877][ T9956] RIP: 0033:0x7fded747c54e
[  594.388879][ T9956] Code: 4d 89 d8 e8 b4 bd 00 00 4c 8b 5d f8 41 8b 93 08 03 00 00 59 5e 48 83 f8 fc 74 11 c9 c3 0f 1f 80 00 00 00 00 48 8b 45 10 0f 05 <c9> c3 83 e2 39 83 fa 08 75 e7 e8 03 ff ff ff 0f 1f 00 f3 0f 1e fa
All code
========
   0:	4d 89 d8             	mov    %r11,%r8
   3:	e8 b4 bd 00 00       	call   0xbdbc
   8:	4c 8b 5d f8          	mov    -0x8(%rbp),%r11
   c:	41 8b 93 08 03 00 00 	mov    0x308(%r11),%edx
  13:	59                   	pop    %rcx
  14:	5e                   	pop    %rsi
  15:	48 83 f8 fc          	cmp    $0xfffffffffffffffc,%rax
  19:	74 11                	je     0x2c
  1b:	c9                   	leave
  1c:	c3                   	ret
  1d:	0f 1f 80 00 00 00 00 	nopl   0x0(%rax)
  24:	48 8b 45 10          	mov    0x10(%rbp),%rax
  28:	0f 05                	syscall
  2a:*	c9                   	leave		<-- trapping instruction
  2b:	c3                   	ret
  2c:	83 e2 39             	and    $0x39,%edx
  2f:	83 fa 08             	cmp    $0x8,%edx
  32:	75 e7                	jne    0x1b
  34:	e8 03 ff ff ff       	call   0xffffffffffffff3c
  39:	0f 1f 00             	nopl   (%rax)
  3c:	f3 0f 1e fa          	endbr64

Code starting with the faulting instruction
===========================================
   0:	c9                   	leave
   1:	c3                   	ret
   2:	83 e2 39             	and    $0x39,%edx
   5:	83 fa 08             	cmp    $0x8,%edx
   8:	75 e7                	jne    0xfffffffffffffff1
   a:	e8 03 ff ff ff       	call   0xffffffffffffff12
   f:	0f 1f 00             	nopl   (%rax)
  12:	f3 0f 1e fa          	endbr64
[  594.388880][ T9956] RSP: 002b:00007ffd7012d450 EFLAGS: 00000202 ORIG_RAX: 000000000000002e
[  594.388884][ T9956] RAX: ffffffffffffffda RBX: 0000000000000005 RCX: 00007fded747c54e
[  594.388885][ T9956] RDX: 0000000000000000 RSI: 00007ffd7012d500 RDI: 0000000000000005
[  594.388886][ T9956] RBP: 00007ffd7012d460 R08: 0000000000000000 R09: 0000000000000000
[  594.388887][ T9956] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a90fd8a
[  594.388888][ T9956] R13: 00000000004a1620 R14: 0000000000000000 R15: 00007ffd7012dbd0
| [  602.159763][T10100] softirqs last disabled at (0): 0x0
| [  602.159765][T10100] Preemption disabled at:
| [  602.159766][T10100] vprintk_emit (kernel/printk/printk.c:2471)
| [  602.159776][T10100] Tainted: [W]=WARN
[  602.159777][T10100] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[  602.159778][T10100] Call Trace:
[  602.159780][T10100]  <TASK>
[  602.159781][T10100]  dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120)
[  602.159787][T10100]  ? vprintk_emit (kernel/printk/printk.c:2471)
[  602.159788][T10100]  __might_resched.cold (kernel/sched/core.c:9234)
[  602.159792][T10100]  ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3))
[  602.159795][T10100]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  602.159798][T10100]  __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))
[  602.159801][T10100]  ? __rwlock_init (kernel/locking/spinlock_debug.c:48)
[  602.159804][T10100]  ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[  602.159809][T10100]  ? 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)
[  602.159811][T10100]  alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[  602.159813][T10100]  put_chars (drivers/char/virtio_console.c:1176)
[  602.159815][T10100]  ? __send_to_port (drivers/char/virtio_console.c:654)
[  602.159816][T10100]  ? printk_get_next_message (kernel/printk/printk.c:3072)
[  602.159819][T10100]  ? console_prepend_replay (kernel/printk/printk.c:3005)
[  602.159821][T10100]  ? pointer (lib/vsprintf.c:2577)
[  602.159825][T10100]  hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2))
[  602.159829][T10100]  ? hvc_write (drivers/tty/hvc/hvc_console.c:501)
[  602.159831][T10100]  ? __rwlock_init (kernel/locking/spinlock_debug.c:48)
[  602.159833][T10100]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  602.159835][T10100]  console_emit_next_record (kernel/printk/printk.c:3183)
[  602.159838][T10100]  ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20)
[  602.159840][T10100]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  602.159841][T10100]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  602.159842][T10100]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  602.159843][T10100]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  602.159845][T10100]  ? console_flush_one_record (kernel/printk/printk.c:3247)
[  602.159847][T10100]  console_flush_one_record (kernel/printk/printk.c:3268)
[  602.159849][T10100]  ? console_emit_next_record (kernel/printk/printk.c:3150)
[  602.159852][T10100]  console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420)
[  602.159854][T10100]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  602.159856][T10100]  ? console_flush_one_record (kernel/printk/printk.c:3316)
[  602.159858][T10100]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  602.159859][T10100]  ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22))
[  602.159860][T10100]  ? 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)
[  602.159862][T10100]  ? __rcu_read_lock (kernel/rcu/tree_plugin.h:391 (discriminator 6))
[  602.159863][T10100]  ? __down_trylock_console_sem (kernel/printk/printk.c:334)
[  602.159865][T10100]  ? vprintk_emit (kernel/printk/printk.c:2478)
[  602.159867][T10100]  vprintk_emit (kernel/printk/printk.c:2479)
[  602.159869][T10100]  ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126))
[  602.159870][T10100]  ? prepare_to_wait_event (kernel/sched/wait.c:318 (discriminator 7))
[  602.159872][T10100]  ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22))
[  602.159875][T10100]  ? _mutex_trylock_nest_lock (kernel/locking/mutex.c:1227 (discriminator 6))
[  602.159877][T10100]  _printk (kernel/printk/printk.c:2504)
[  602.159880][T10100]  ? snapshot_read.cold (user.c:?)
[  602.159882][T10100]  ? synchronize_rcu_normal (kernel/rcu/tree.c:3360)
[  602.159884][T10100]  ? netdev_name (./include/linux/netdevice.h:5709 (discriminator 1))
[  602.159888][T10100]  ? __netdev_printk (net/core/dev.c:13148 (discriminator 2))
[  602.159890][T10100]  ? do_setlink.isra.0 (net/core/rtnetlink.c:3246)
[  602.159893][T10100]  netdev_info (net/core/dev.c:13195 (discriminator 3))
[  602.159895][T10100]  ? netdev_notice (net/core/dev.c:13194)
[  602.159897][T10100]  ? 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)
[  602.159899][T10100]  ? __dev_change_net_namespace (net/core/dev.c:12342 net/core/dev.c:12883)
[  602.159901][T10100]  ? __rwlock_init (kernel/locking/spinlock_debug.c:48)
[  602.159903][T10100]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  602.159904][T10100]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  602.159905][T10100]  ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22))
[  602.159906][T10100]  ? trace_irq_disable.constprop.0 (./include/trace/events/preemptirq.h:36 (discriminator 22))
[  602.159908][T10100]  ? 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)
[  602.159909][T10100]  ? do_setlink.isra.0 (net/core/rtnetlink.c:3246)
[  602.159911][T10100]  netif_change_name.cold (net/core/dev.c:1507 (discriminator 3))
[  602.159913][T10100]  ? register_netdev (net/core/dev.c:11618)
[  602.159914][T10100]  ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22))
[  602.159916][T10100]  ? netdev_adjacent_rename_links (net/core/dev.c:9598)
[  602.159919][T10100]  ? __kernel_text_address (kernel/extable.c:79)
[  602.159921][T10100]  ? write_profile (profile.c:?)
[  602.159924][T10100]  ? __asan_memset (mm/kasan/shadow.c:84 (discriminator 1))
[  602.159928][T10100]  do_setlink.isra.0 (net/core/rtnetlink.c:3246)
[  602.159930][T10100]  ? stack_trace_save (kernel/stacktrace.c:122 (discriminator 1))
[  602.159931][T10100]  ? rtnl_link_get_size (net/core/rtnetlink.c:747)
[  602.159932][T10100]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  602.159933][T10100]  ? stack_depot_save_flags (lib/stackdepot.c:609 lib/stackdepot.c:676)
[  602.159936][T10100]  ? kasan_save_stack (mm/kasan/common.c:58)
[  602.159938][T10100]  ? kasan_save_stack (mm/kasan/common.c:57)
[  602.159939][T10100]  ? kasan_save_track (mm/kasan/common.c:78)
[  602.159941][T10100]  ? __kasan_kmalloc (mm/kasan/common.c:398 mm/kasan/common.c:415)
[  602.159942][T10100]  ? __kmalloc_cache_noprof (./include/linux/kasan.h:263 mm/slub.c:5563)
[  602.159943][T10100]  ? rtnl_newlink (./include/linux/slab.h:991 (discriminator 1) net/core/rtnetlink.c:4113 (discriminator 1))
[  602.159944][T10100]  ? rtnetlink_rcv_msg (net/core/rtnetlink.c:7132)
[  602.159945][T10100]  ? netlink_rcv_skb (net/netlink/af_netlink.c:2556)
[  602.159948][T10100]  ? netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[  602.159950][T10100]  ? netlink_sendmsg (net/netlink/af_netlink.c:1900)
[  602.159951][T10100]  ? __sock_sendmsg (net/socket.c:800 (discriminator 4) net/socket.c:815 (discriminator 4))
[  602.159954][T10100]  ? ____sys_sendmsg (net/socket.c:2713)
[  602.159955][T10100]  ? ___sys_sendmsg (net/socket.c:2767)
[  602.159957][T10100]  ? __sys_sendmsg (net/socket.c:2799)
[  602.159959][T10100]  ? do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84)
[  602.159961][T10100]  ? entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[  602.159963][T10100]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  602.159965][T10100]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  602.159966][T10100]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  602.159967][T10100]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  602.159968][T10100]  ? trace_contention_end (./include/trace/events/lock.h:121 (discriminator 22))
[  602.159970][T10100]  ? __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)
[  602.159971][T10100]  ? __mutex_lock (kernel/locking/mutex.c:656 (discriminator 1) kernel/locking/mutex.c:821 (discriminator 1))
[  602.159972][T10100]  ? rtnl_newlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:366 net/core/rtnetlink.c:4214)
[  602.159974][T10100]  ? ww_mutex_lock (kernel/locking/mutex.c:934)
[  602.159975][T10100]  ? nla_get_range_signed (lib/nlattr.c:270)
[  602.159978][T10100]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  602.159979][T10100]  ? __rtnl_newlink (net/core/rtnetlink.c:4063)
[  602.159982][T10100]  rtnl_newlink (net/core/rtnetlink.c:4215)
[  602.159984][T10100]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  602.159985][T10100]  ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558)
[  602.159986][T10100]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  602.159987][T10100]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  602.159989][T10100]  ? is_bpf_text_address (./include/linux/rcupdate.h:850 kernel/bpf/core.c:749)
[  602.159991][T10100]  ? is_bpf_text_address (./include/linux/rcupdate.h:882 kernel/bpf/core.c:751)
[  602.159993][T10100]  ? kernel_text_address (kernel/extable.c:125 kernel/extable.c:94)
[  602.159994][T10100]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  602.159995][T10100]  ? cap_capable (./include/trace/events/capability.h:26 (discriminator 22) security/commoncap.c:130 (discriminator 22))
[  602.159999][T10100]  ? arch_stack_walk (arch/x86/kernel/stacktrace.c:26)
[  602.160001][T10100]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  602.160002][T10100]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  602.160003][T10100]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  602.160005][T10100]  ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558)
[  602.160006][T10100]  rtnetlink_rcv_msg (net/core/rtnetlink.c:7132)
[  602.160008][T10100]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[  602.160009][T10100]  ? filter_irq_stacks (kernel/stacktrace.c:402)
[  602.160011][T10100]  ? stack_depot_save_flags (lib/stackdepot.c:609 lib/stackdepot.c:676)
[  602.160013][T10100]  netlink_rcv_skb (net/netlink/af_netlink.c:2556)
[  602.160015][T10100]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[  602.160016][T10100]  ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22))
[  602.160018][T10100]  ? netlink_ack (./include/linux/skbuff.h:2718)
[  602.160020][T10100]  ? __netlink_lookup (./include/linux/rcupdate.h:850 ./include/linux/rhashtable.h:709 net/netlink/af_netlink.c:499)
[  602.160023][T10100]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  602.160024][T10100]  ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22))
[  602.160026][T10100]  netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[  602.160028][T10100]  ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[  602.160030][T10100]  ? entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[  602.160032][T10100]  netlink_sendmsg (net/netlink/af_netlink.c:1900)
[  602.160034][T10100]  ? netlink_unicast (./include/net/net_namespace.h:422 (discriminator 7))
[  602.160036][T10100]  ? kernel_text_address (kernel/extable.c:125 kernel/extable.c:94)
[  602.160038][T10100]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  602.160039][T10100]  ? __import_iovec (lib/iov_iter.c:1358 lib/iov_iter.c:1373)
[  602.160042][T10100]  __sock_sendmsg (net/socket.c:800 (discriminator 4) net/socket.c:815 (discriminator 4))
[  602.160044][T10100]  ____sys_sendmsg (net/socket.c:2713)
[  602.160046][T10100]  ? copy_msghdr_from_user (net/socket.c:2650)
[  602.160047][T10100]  ? sock_write_iter (net/socket.c:1269)
[  602.160049][T10100]  ? move_addr_to_kernel (net/socket.c:258)
[  602.160050][T10100]  ? filter_irq_stacks (kernel/stacktrace.c:402)
[  602.160053][T10100]  ___sys_sendmsg (net/socket.c:2767)
[  602.160055][T10100]  ? copy_msghdr_from_user (net/socket.c:2619)
[  602.160060][T10100]  __sys_sendmsg (net/socket.c:2799)
[  602.160062][T10100]  ? __sys_sendmsg_sock (net/socket.c:2780)
[  602.160064][T10100]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  602.160066][T10100]  do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84)
[  602.160068][T10100]  ? exc_page_fault (arch/x86/mm/fault.c:1489 (discriminator 3) arch/x86/mm/fault.c:1536 (discriminator 3))
[  602.160070][T10100]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[  602.160071][T10100] RIP: 0033:0x7f916b4c754e
[  602.160073][T10100] 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
[  602.160075][T10100] RSP: 002b:00007ffd95698a20 EFLAGS: 00000202 ORIG_RAX: 000000000000002e
[  602.160078][T10100] RAX: ffffffffffffffda RBX: 0000000000000005 RCX: 00007f916b4c754e
[  602.160080][T10100] RDX: 0000000000000000 RSI: 00007ffd95698ad0 RDI: 0000000000000005
[  602.160081][T10100] RBP: 00007ffd95698a30 R08: 0000000000000000 R09: 0000000000000000
[  602.160082][T10100] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a90fd92
[  602.160082][T10100] R13: 00000000004a1620 R14: 0000000000000000 R15: 00007ffd956991a0
| [  610.447957][T10243] softirqs last disabled at (0): 0x0
| [  610.447959][T10243] Preemption disabled at:
| [  610.447961][T10243] vprintk_emit (kernel/printk/printk.c:2471)
| [  610.447974][T10243] Tainted: [W]=WARN
[  610.447975][T10243] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[  610.447978][T10243] Call Trace:
[  610.447980][T10243]  <TASK>
[  610.447982][T10243]  dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120)
[  610.447988][T10243]  ? vprintk_emit (kernel/printk/printk.c:2471)
[  610.447990][T10243]  __might_resched.cold (kernel/sched/core.c:9234)
[  610.447995][T10243]  ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3))
[  610.447999][T10243]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  610.448003][T10243]  __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))
[  610.448007][T10243]  ? __rwlock_init (kernel/locking/spinlock_debug.c:48)
[  610.448011][T10243]  ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[  610.448017][T10243]  ? 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)
[  610.448020][T10243]  alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[  610.448024][T10243]  put_chars (drivers/char/virtio_console.c:1176)
[  610.448026][T10243]  ? __send_to_port (drivers/char/virtio_console.c:654)
[  610.448028][T10243]  ? printk_get_next_message (kernel/printk/printk.c:3072)
[  610.448032][T10243]  ? console_prepend_replay (kernel/printk/printk.c:3005)
[  610.448035][T10243]  ? pointer (lib/vsprintf.c:2577)
[  610.448040][T10243]  hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2))
[  610.448046][T10243]  ? hvc_write (drivers/tty/hvc/hvc_console.c:501)
[  610.448048][T10243]  ? __rwlock_init (kernel/locking/spinlock_debug.c:48)
[  610.448051][T10243]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  610.448055][T10243]  console_emit_next_record (kernel/printk/printk.c:3183)
[  610.448059][T10243]  ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20)
[  610.448062][T10243]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  610.448064][T10243]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  610.448066][T10243]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  610.448068][T10243]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  610.448071][T10243]  ? console_flush_one_record (kernel/printk/printk.c:3247)
[  610.448074][T10243]  console_flush_one_record (kernel/printk/printk.c:3268)
[  610.448078][T10243]  ? console_emit_next_record (kernel/printk/printk.c:3150)
[  610.448082][T10243]  console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420)
[  610.448085][T10243]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  610.448088][T10243]  ? console_flush_one_record (kernel/printk/printk.c:3316)
[  610.448090][T10243]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  610.448092][T10243]  ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22))
[  610.448094][T10243]  ? 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)
[  610.448097][T10243]  ? __rcu_read_lock (kernel/rcu/tree_plugin.h:391 (discriminator 6))
[  610.448099][T10243]  ? __down_trylock_console_sem (kernel/printk/printk.c:334)
[  610.448102][T10243]  ? vprintk_emit (kernel/printk/printk.c:2478)
[  610.448105][T10243]  vprintk_emit (kernel/printk/printk.c:2479)
[  610.448107][T10243]  ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126))
[  610.448109][T10243]  ? prepare_to_wait_event (kernel/sched/wait.c:318 (discriminator 7))
[  610.448113][T10243]  ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22))
[  610.448117][T10243]  ? _mutex_trylock_nest_lock (kernel/locking/mutex.c:1227 (discriminator 6))
[  610.448120][T10243]  _printk (kernel/printk/printk.c:2504)
[  610.448124][T10243]  ? snapshot_read.cold (user.c:?)
[  610.448127][T10243]  ? synchronize_rcu_normal (kernel/rcu/tree.c:3360)
[  610.448131][T10243]  ? netdev_name (./include/linux/netdevice.h:5709 (discriminator 1))
[  610.448135][T10243]  ? __netdev_printk (net/core/dev.c:13148 (discriminator 2))
[  610.448138][T10243]  ? do_setlink.isra.0 (net/core/rtnetlink.c:3246)
[  610.448142][T10243]  netdev_info (net/core/dev.c:13195 (discriminator 3))
[  610.448145][T10243]  ? netdev_notice (net/core/dev.c:13194)
[  610.448149][T10243]  ? 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)
[  610.448151][T10243]  ? __dev_change_net_namespace (net/core/dev.c:12342 net/core/dev.c:12883)
[  610.448155][T10243]  ? __rwlock_init (kernel/locking/spinlock_debug.c:48)
[  610.448157][T10243]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  610.448159][T10243]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  610.448161][T10243]  ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22))
[  610.448164][T10243]  ? trace_irq_disable.constprop.0 (./include/trace/events/preemptirq.h:36 (discriminator 22))
[  610.448166][T10243]  ? 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)
[  610.448169][T10243]  ? do_setlink.isra.0 (net/core/rtnetlink.c:3246)
[  610.448171][T10243]  netif_change_name.cold (net/core/dev.c:1507 (discriminator 3))
[  610.448174][T10243]  ? register_netdev (net/core/dev.c:11618)
[  610.448176][T10243]  ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22))
[  610.448179][T10243]  ? netdev_adjacent_rename_links (net/core/dev.c:9598)
[  610.448183][T10243]  ? __kernel_text_address (kernel/extable.c:79)
[  610.448187][T10243]  ? write_profile (profile.c:?)
[  610.448191][T10243]  ? __asan_memset (mm/kasan/shadow.c:84 (discriminator 1))
[  610.448196][T10243]  do_setlink.isra.0 (net/core/rtnetlink.c:3246)
[  610.448199][T10243]  ? stack_trace_save (kernel/stacktrace.c:122 (discriminator 1))
[  610.448202][T10243]  ? rtnl_link_get_size (net/core/rtnetlink.c:747)
[  610.448204][T10243]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  610.448206][T10243]  ? stack_depot_save_flags (lib/stackdepot.c:609 lib/stackdepot.c:676)
[  610.448211][T10243]  ? kasan_save_stack (mm/kasan/common.c:58)
[  610.448213][T10243]  ? kasan_save_stack (mm/kasan/common.c:57)
[  610.448215][T10243]  ? kasan_save_track (mm/kasan/common.c:78)
[  610.448217][T10243]  ? __kasan_kmalloc (mm/kasan/common.c:398 mm/kasan/common.c:415)
[  610.448219][T10243]  ? __kmalloc_cache_noprof (./include/linux/kasan.h:263 mm/slub.c:5563)
[  610.448221][T10243]  ? rtnl_newlink (./include/linux/slab.h:991 (discriminator 1) net/core/rtnetlink.c:4113 (discriminator 1))
[  610.448228][T10243]  ? rtnetlink_rcv_msg (net/core/rtnetlink.c:7132)
[  610.448230][T10243]  ? netlink_rcv_skb (net/netlink/af_netlink.c:2556)
[  610.448233][T10243]  ? netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[  610.448236][T10243]  ? netlink_sendmsg (net/netlink/af_netlink.c:1900)
[  610.448238][T10243]  ? __sock_sendmsg (net/socket.c:800 (discriminator 4) net/socket.c:815 (discriminator 4))
[  610.448242][T10243]  ? ____sys_sendmsg (net/socket.c:2713)
[  610.448244][T10243]  ? ___sys_sendmsg (net/socket.c:2767)
[  610.448246][T10243]  ? __sys_sendmsg (net/socket.c:2799)
[  610.448249][T10243]  ? do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84)
[  610.448252][T10243]  ? entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[  610.448257][T10243]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  610.448259][T10243]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  610.448261][T10243]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  610.448263][T10243]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  610.448265][T10243]  ? trace_contention_end (./include/trace/events/lock.h:121 (discriminator 22))
[  610.448267][T10243]  ? __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)
[  610.448269][T10243]  ? __mutex_lock (kernel/locking/mutex.c:656 (discriminator 1) kernel/locking/mutex.c:821 (discriminator 1))
[  610.448271][T10243]  ? rtnl_newlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:366 net/core/rtnetlink.c:4214)
[  610.448274][T10243]  ? ww_mutex_lock (kernel/locking/mutex.c:934)
[  610.448276][T10243]  ? nla_get_range_signed (lib/nlattr.c:270)
[  610.448281][T10243]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  610.448283][T10243]  ? __rtnl_newlink (net/core/rtnetlink.c:4063)
[  610.448286][T10243]  rtnl_newlink (net/core/rtnetlink.c:4215)
[  610.448290][T10243]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  610.448292][T10243]  ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558)
[  610.448294][T10243]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  610.448296][T10243]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  610.448299][T10243]  ? is_bpf_text_address (./include/linux/rcupdate.h:850 kernel/bpf/core.c:749)
[  610.448302][T10243]  ? is_bpf_text_address (./include/linux/rcupdate.h:882 kernel/bpf/core.c:751)
[  610.448304][T10243]  ? kernel_text_address (kernel/extable.c:125 kernel/extable.c:94)
[  610.448307][T10243]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  610.448309][T10243]  ? cap_capable (./include/trace/events/capability.h:26 (discriminator 22) security/commoncap.c:130 (discriminator 22))
[  610.448313][T10243]  ? arch_stack_walk (arch/x86/kernel/stacktrace.c:26)
[  610.448316][T10243]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  610.448318][T10243]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  610.448320][T10243]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  610.448323][T10243]  ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558)
[  610.448325][T10243]  rtnetlink_rcv_msg (net/core/rtnetlink.c:7132)
[  610.448328][T10243]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[  610.448330][T10243]  ? filter_irq_stacks (kernel/stacktrace.c:402)
[  610.448333][T10243]  ? stack_depot_save_flags (lib/stackdepot.c:609 lib/stackdepot.c:676)
[  610.448337][T10243]  netlink_rcv_skb (net/netlink/af_netlink.c:2556)
[  610.448340][T10243]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[  610.448342][T10243]  ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22))
[  610.448345][T10243]  ? netlink_ack (./include/linux/skbuff.h:2718)
[  610.448347][T10243]  ? __netlink_lookup (./include/linux/rcupdate.h:850 ./include/linux/rhashtable.h:709 net/netlink/af_netlink.c:499)
[  610.448352][T10243]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  610.448354][T10243]  ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22))
[  610.448357][T10243]  netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[  610.448361][T10243]  ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[  610.448364][T10243]  ? entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[  610.448367][T10243]  netlink_sendmsg (net/netlink/af_netlink.c:1900)
[  610.448371][T10243]  ? netlink_unicast (./include/net/net_namespace.h:422 (discriminator 7))
[  610.448373][T10243]  ? kernel_text_address (kernel/extable.c:125 kernel/extable.c:94)
[  610.448376][T10243]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  610.448379][T10243]  ? __import_iovec (lib/iov_iter.c:1358 lib/iov_iter.c:1373)
[  610.448383][T10243]  __sock_sendmsg (net/socket.c:800 (discriminator 4) net/socket.c:815 (discriminator 4))
[  610.448386][T10243]  ____sys_sendmsg (net/socket.c:2713)
[  610.448389][T10243]  ? copy_msghdr_from_user (net/socket.c:2650)
[  610.448391][T10243]  ? sock_write_iter (net/socket.c:1269)
[  610.448394][T10243]  ? move_addr_to_kernel (net/socket.c:258)
[  610.448396][T10243]  ? filter_irq_stacks (kernel/stacktrace.c:402)
[  610.448401][T10243]  ___sys_sendmsg (net/socket.c:2767)
[  610.448404][T10243]  ? copy_msghdr_from_user (net/socket.c:2619)
[  610.448412][T10243]  __sys_sendmsg (net/socket.c:2799)
[  610.448415][T10243]  ? __sys_sendmsg_sock (net/socket.c:2780)
[  610.448420][T10243]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  610.448422][T10243]  do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84)
[  610.448425][T10243]  ? exc_page_fault (arch/x86/mm/fault.c:1489 (discriminator 3) arch/x86/mm/fault.c:1536 (discriminator 3))
[  610.448428][T10243]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[  610.448431][T10243] RIP: 0033:0x7f04d279254e
[  610.448434][T10243] 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
[  610.448437][T10243] RSP: 002b:00007ffe2a204be0 EFLAGS: 00000202 ORIG_RAX: 000000000000002e
[  610.448441][T10243] RAX: ffffffffffffffda RBX: 0000000000000005 RCX: 00007f04d279254e
[  610.448444][T10243] RDX: 0000000000000000 RSI: 00007ffe2a204c90 RDI: 0000000000000005
[  610.448446][T10243] RBP: 00007ffe2a204bf0 R08: 0000000000000000 R09: 0000000000000000
[  610.448447][T10243] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a90fd9a
[  610.448449][T10243] R13: 00000000004a1620 R14: 0000000000000000 R15: 00007ffe2a205360
| [  618.703499][T10386] softirqs last disabled at (0): 0x0
| [  618.703502][T10386] Preemption disabled at:
| [  618.703503][T10386] vprintk_emit (kernel/printk/printk.c:2471)
| [  618.703515][T10386] Tainted: [W]=WARN
[  618.703516][T10386] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[  618.703519][T10386] Call Trace:
[  618.703521][T10386]  <TASK>
[  618.703523][T10386]  dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120)
[  618.703529][T10386]  ? vprintk_emit (kernel/printk/printk.c:2471)
[  618.703532][T10386]  __might_resched.cold (kernel/sched/core.c:9234)
[  618.703537][T10386]  ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3))
[  618.703541][T10386]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  618.703545][T10386]  __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))
[  618.703548][T10386]  ? __rwlock_init (kernel/locking/spinlock_debug.c:48)
[  618.703552][T10386]  ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[  618.703559][T10386]  ? 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)
[  618.703561][T10386]  alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[  618.703565][T10386]  put_chars (drivers/char/virtio_console.c:1176)
[  618.703568][T10386]  ? __send_to_port (drivers/char/virtio_console.c:654)
[  618.703570][T10386]  ? printk_get_next_message (kernel/printk/printk.c:3072)
[  618.703573][T10386]  ? console_prepend_replay (kernel/printk/printk.c:3005)
[  618.703576][T10386]  ? pointer (lib/vsprintf.c:2577)
[  618.703581][T10386]  hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2))
[  618.703587][T10386]  ? hvc_write (drivers/tty/hvc/hvc_console.c:501)
[  618.703590][T10386]  ? __rwlock_init (kernel/locking/spinlock_debug.c:48)
[  618.703593][T10386]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  618.703597][T10386]  console_emit_next_record (kernel/printk/printk.c:3183)
[  618.703601][T10386]  ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20)
[  618.703604][T10386]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  618.703606][T10386]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  618.703608][T10386]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  618.703610][T10386]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  618.703613][T10386]  ? console_flush_one_record (kernel/printk/printk.c:3247)
[  618.703616][T10386]  console_flush_one_record (kernel/printk/printk.c:3268)
[  618.703620][T10386]  ? console_emit_next_record (kernel/printk/printk.c:3150)
[  618.703624][T10386]  console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420)
[  618.703627][T10386]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  618.703629][T10386]  ? console_flush_one_record (kernel/printk/printk.c:3316)
[  618.703632][T10386]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  618.703634][T10386]  ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22))
[  618.703636][T10386]  ? 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)
[  618.703639][T10386]  ? __rcu_read_lock (kernel/rcu/tree_plugin.h:391 (discriminator 6))
[  618.703641][T10386]  ? __down_trylock_console_sem (kernel/printk/printk.c:334)
[  618.703644][T10386]  ? vprintk_emit (kernel/printk/printk.c:2478)
[  618.703647][T10386]  vprintk_emit (kernel/printk/printk.c:2479)
[  618.703654][T10386]  ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126))
[  618.703656][T10386]  ? prepare_to_wait_event (kernel/sched/wait.c:318 (discriminator 7))
[  618.703660][T10386]  ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22))
[  618.703664][T10386]  ? _mutex_trylock_nest_lock (kernel/locking/mutex.c:1227 (discriminator 6))
[  618.703668][T10386]  _printk (kernel/printk/printk.c:2504)
[  618.703672][T10386]  ? snapshot_read.cold (user.c:?)
[  618.703675][T10386]  ? synchronize_rcu_normal (kernel/rcu/tree.c:3360)
[  618.703678][T10386]  ? netdev_name (./include/linux/netdevice.h:5709 (discriminator 1))
[  618.703682][T10386]  ? __netdev_printk (net/core/dev.c:13148 (discriminator 2))
[  618.703685][T10386]  ? do_setlink.isra.0 (net/core/rtnetlink.c:3246)
[  618.703689][T10386]  netdev_info (net/core/dev.c:13195 (discriminator 3))
[  618.703693][T10386]  ? netdev_notice (net/core/dev.c:13194)
[  618.703696][T10386]  ? 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)
[  618.703699][T10386]  ? __dev_change_net_namespace (net/core/dev.c:12342 net/core/dev.c:12883)
[  618.703702][T10386]  ? __rwlock_init (kernel/locking/spinlock_debug.c:48)
[  618.703705][T10386]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  618.703706][T10386]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  618.703708][T10386]  ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22))
[  618.703711][T10386]  ? trace_irq_disable.constprop.0 (./include/trace/events/preemptirq.h:36 (discriminator 22))
[  618.703713][T10386]  ? 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)
[  618.703716][T10386]  ? do_setlink.isra.0 (net/core/rtnetlink.c:3246)
[  618.703718][T10386]  netif_change_name.cold (net/core/dev.c:1507 (discriminator 3))
[  618.703721][T10386]  ? register_netdev (net/core/dev.c:11618)
[  618.703723][T10386]  ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22))
[  618.703726][T10386]  ? netdev_adjacent_rename_links (net/core/dev.c:9598)
[  618.703730][T10386]  ? __kernel_text_address (kernel/extable.c:79)
[  618.703734][T10386]  ? write_profile (profile.c:?)
[  618.703738][T10386]  ? __asan_memset (mm/kasan/shadow.c:84 (discriminator 1))
[  618.703743][T10386]  do_setlink.isra.0 (net/core/rtnetlink.c:3246)
[  618.703746][T10386]  ? stack_trace_save (kernel/stacktrace.c:122 (discriminator 1))
[  618.703748][T10386]  ? rtnl_link_get_size (net/core/rtnetlink.c:747)
[  618.703750][T10386]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  618.703752][T10386]  ? stack_depot_save_flags (lib/stackdepot.c:609 lib/stackdepot.c:676)
[  618.703757][T10386]  ? kasan_save_stack (mm/kasan/common.c:58)
[  618.703760][T10386]  ? kasan_save_stack (mm/kasan/common.c:57)
[  618.703762][T10386]  ? kasan_save_track (mm/kasan/common.c:78)
[  618.703764][T10386]  ? __kasan_kmalloc (mm/kasan/common.c:398 mm/kasan/common.c:415)
[  618.703766][T10386]  ? __kmalloc_cache_noprof (./include/linux/kasan.h:263 mm/slub.c:5563)
[  618.703767][T10386]  ? rtnl_newlink (./include/linux/slab.h:991 (discriminator 1) net/core/rtnetlink.c:4113 (discriminator 1))
[  618.703769][T10386]  ? rtnetlink_rcv_msg (net/core/rtnetlink.c:7132)
[  618.703772][T10386]  ? netlink_rcv_skb (net/netlink/af_netlink.c:2556)
[  618.703775][T10386]  ? netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[  618.703778][T10386]  ? netlink_sendmsg (net/netlink/af_netlink.c:1900)
[  618.703780][T10386]  ? __sock_sendmsg (net/socket.c:800 (discriminator 4) net/socket.c:815 (discriminator 4))
[  618.703783][T10386]  ? ____sys_sendmsg (net/socket.c:2713)
[  618.703786][T10386]  ? ___sys_sendmsg (net/socket.c:2767)
[  618.703788][T10386]  ? __sys_sendmsg (net/socket.c:2799)
[  618.703791][T10386]  ? do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84)
[  618.703794][T10386]  ? entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[  618.703798][T10386]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  618.703800][T10386]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  618.703802][T10386]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  618.703804][T10386]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  618.703806][T10386]  ? trace_contention_end (./include/trace/events/lock.h:121 (discriminator 22))
[  618.703809][T10386]  ? __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)
[  618.703811][T10386]  ? __mutex_lock (kernel/locking/mutex.c:656 (discriminator 1) kernel/locking/mutex.c:821 (discriminator 1))
[  618.703813][T10386]  ? rtnl_newlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:366 net/core/rtnetlink.c:4214)
[  618.703816][T10386]  ? ww_mutex_lock (kernel/locking/mutex.c:934)
[  618.703818][T10386]  ? nla_get_range_signed (lib/nlattr.c:270)
[  618.703822][T10386]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  618.703825][T10386]  ? __rtnl_newlink (net/core/rtnetlink.c:4063)
[  618.703828][T10386]  rtnl_newlink (net/core/rtnetlink.c:4215)
[  618.703832][T10386]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  618.703834][T10386]  ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558)
[  618.703836][T10386]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  618.703838][T10386]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  618.703841][T10386]  ? is_bpf_text_address (./include/linux/rcupdate.h:850 kernel/bpf/core.c:749)
[  618.703844][T10386]  ? is_bpf_text_address (./include/linux/rcupdate.h:882 kernel/bpf/core.c:751)
[  618.703846][T10386]  ? kernel_text_address (kernel/extable.c:125 kernel/extable.c:94)
[  618.703849][T10386]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  618.703851][T10386]  ? cap_capable (./include/trace/events/capability.h:26 (discriminator 22) security/commoncap.c:130 (discriminator 22))
[  618.703855][T10386]  ? arch_stack_walk (arch/x86/kernel/stacktrace.c:26)
[  618.703858][T10386]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  618.703860][T10386]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  618.703862][T10386]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  618.703865][T10386]  ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558)
[  618.703867][T10386]  rtnetlink_rcv_msg (net/core/rtnetlink.c:7132)
[  618.703870][T10386]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[  618.703872][T10386]  ? filter_irq_stacks (kernel/stacktrace.c:402)
[  618.703875][T10386]  ? stack_depot_save_flags (lib/stackdepot.c:609 lib/stackdepot.c:676)
[  618.703879][T10386]  netlink_rcv_skb (net/netlink/af_netlink.c:2556)
[  618.703882][T10386]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[  618.703884][T10386]  ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22))
[  618.703886][T10386]  ? netlink_ack (./include/linux/skbuff.h:2718)
[  618.703889][T10386]  ? __netlink_lookup (./include/linux/rcupdate.h:850 ./include/linux/rhashtable.h:709 net/netlink/af_netlink.c:499)
[  618.703894][T10386]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  618.703896][T10386]  ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22))
[  618.703899][T10386]  netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[  618.703903][T10386]  ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[  618.703906][T10386]  ? entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[  618.703909][T10386]  netlink_sendmsg (net/netlink/af_netlink.c:1900)
[  618.703913][T10386]  ? netlink_unicast (./include/net/net_namespace.h:422 (discriminator 7))
[  618.703915][T10386]  ? kernel_text_address (kernel/extable.c:125 kernel/extable.c:94)
[  618.703918][T10386]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  618.703920][T10386]  ? __import_iovec (lib/iov_iter.c:1358 lib/iov_iter.c:1373)
[  618.703925][T10386]  __sock_sendmsg (net/socket.c:800 (discriminator 4) net/socket.c:815 (discriminator 4))
[  618.703928][T10386]  ____sys_sendmsg (net/socket.c:2713)
[  618.703931][T10386]  ? copy_msghdr_from_user (net/socket.c:2650)
[  618.703934][T10386]  ? sock_write_iter (net/socket.c:1269)
[  618.703936][T10386]  ? move_addr_to_kernel (net/socket.c:258)
[  618.703938][T10386]  ? filter_irq_stacks (kernel/stacktrace.c:402)
[  618.703943][T10386]  ___sys_sendmsg (net/socket.c:2767)
[  618.703946][T10386]  ? copy_msghdr_from_user (net/socket.c:2619)
[  618.703954][T10386]  __sys_sendmsg (net/socket.c:2799)
[  618.703957][T10386]  ? __sys_sendmsg_sock (net/socket.c:2780)
[  618.703962][T10386]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  618.703964][T10386]  do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84)
[  618.703967][T10386]  ? exc_page_fault (arch/x86/mm/fault.c:1489 (discriminator 3) arch/x86/mm/fault.c:1536 (discriminator 3))
[  618.703970][T10386]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[  618.703973][T10386] RIP: 0033:0x7fd1b7f3e54e
[  618.703976][T10386] 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
[  618.703979][T10386] RSP: 002b:00007fff4ae73e20 EFLAGS: 00000202 ORIG_RAX: 000000000000002e
[  618.703983][T10386] RAX: ffffffffffffffda RBX: 0000000000000005 RCX: 00007fd1b7f3e54e
[  618.703986][T10386] RDX: 0000000000000000 RSI: 00007fff4ae73ed0 RDI: 0000000000000005
[  618.703987][T10386] RBP: 00007fff4ae73e30 R08: 0000000000000000 R09: 0000000000000000
[  618.703989][T10386] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a90fda3
[  618.703990][T10386] R13: 00000000004a1620 R14: 0000000000000000 R15: 00007fff4ae745a0
| [  626.952727][T10529] softirqs last disabled at (0): 0x0
| [  626.952729][T10529] Preemption disabled at:
| [  626.952730][T10529] vprintk_emit (kernel/printk/printk.c:2471)
| [  626.952741][T10529] Tainted: [W]=WARN
[  626.952741][T10529] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[  626.952743][T10529] Call Trace:
[  626.952745][T10529]  <TASK>
[  626.952746][T10529]  dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120)
[  626.952752][T10529]  ? vprintk_emit (kernel/printk/printk.c:2471)
[  626.952753][T10529]  __might_resched.cold (kernel/sched/core.c:9234)
[  626.952757][T10529]  ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3))
[  626.952760][T10529]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  626.952763][T10529]  __kmalloc_noprof (./include/linux/sched/mm.h:322 (discriminator 2) mm/slub.c:4636 (discriminator 2) mm/slub.c:4974 (discriminator 2) mm/slub.c:5413 (discriminator 2) mm/slub.c:5439 (discriminator 2))
[  626.952766][T10529]  ? __rwlock_init (kernel/locking/spinlock_debug.c:48)
[  626.952769][T10529]  ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[  626.952774][T10529]  ? do_raw_spin_unlock (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:32 ./include/asm-generic/qspinlock.h:58 kernel/locking/spinlock_debug.c:101 kernel/locking/spinlock_debug.c:141)
[  626.952776][T10529]  alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[  626.952779][T10529]  put_chars (drivers/char/virtio_console.c:1176)
[  626.952780][T10529]  ? __send_to_port (drivers/char/virtio_console.c:654)
[  626.952781][T10529]  ? printk_get_next_message (kernel/printk/printk.c:3072)
[  626.952784][T10529]  ? console_prepend_replay (kernel/printk/printk.c:3005)
[  626.952786][T10529]  ? pointer (lib/vsprintf.c:2577)
[  626.952790][T10529]  hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2))
[  626.952795][T10529]  ? hvc_write (drivers/tty/hvc/hvc_console.c:501)
[  626.952796][T10529]  ? __rwlock_init (kernel/locking/spinlock_debug.c:48)
[  626.952798][T10529]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  626.952801][T10529]  console_emit_next_record (kernel/printk/printk.c:3183)
[  626.952804][T10529]  ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20)
[  626.952806][T10529]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  626.952807][T10529]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  626.952808][T10529]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  626.952809][T10529]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  626.952811][T10529]  ? console_flush_one_record (kernel/printk/printk.c:3247)
[  626.952813][T10529]  console_flush_one_record (kernel/printk/printk.c:3268)
[  626.952815][T10529]  ? console_emit_next_record (kernel/printk/printk.c:3150)
[  626.952818][T10529]  console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420)
[  626.952820][T10529]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  626.952822][T10529]  ? console_flush_one_record (kernel/printk/printk.c:3316)
[  626.952824][T10529]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  626.952825][T10529]  ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22))
[  626.952826][T10529]  ? lock_acquire (./include/linux/srcutree.h:374 ./include/linux/srcu.h:541 ./include/linux/srcu.h:645 ./include/trace/events/lock.h:23 ./include/trace/events/lock.h:23 kernel/locking/lockdep.c:5871)
[  626.952828][T10529]  ? __rcu_read_lock (kernel/rcu/tree_plugin.h:391 (discriminator 6))
[  626.952829][T10529]  ? __down_trylock_console_sem (kernel/printk/printk.c:334)
[  626.952831][T10529]  ? vprintk_emit (kernel/printk/printk.c:2478)
[  626.952833][T10529]  vprintk_emit (kernel/printk/printk.c:2479)
[  626.952835][T10529]  ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126))
[  626.952836][T10529]  ? prepare_to_wait_event (kernel/sched/wait.c:318 (discriminator 7))
[  626.952838][T10529]  ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22))
[  626.952841][T10529]  ? _mutex_trylock_nest_lock (kernel/locking/mutex.c:1227 (discriminator 6))
[  626.952844][T10529]  _printk (kernel/printk/printk.c:2504)
[  626.952847][T10529]  ? snapshot_read.cold (user.c:?)
[  626.952849][T10529]  ? synchronize_rcu_normal (kernel/rcu/tree.c:3360)
[  626.952851][T10529]  ? netdev_name (./include/linux/netdevice.h:5709 (discriminator 1))
[  626.952855][T10529]  ? __netdev_printk (net/core/dev.c:13148 (discriminator 2))
[  626.952857][T10529]  ? do_setlink.isra.0 (net/core/rtnetlink.c:3246)
[  626.952860][T10529]  netdev_info (net/core/dev.c:13195 (discriminator 3))
[  626.952862][T10529]  ? netdev_notice (net/core/dev.c:13194)
[  626.952864][T10529]  ? 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)
[  626.952866][T10529]  ? __dev_change_net_namespace (net/core/dev.c:12342 net/core/dev.c:12883)
[  626.952869][T10529]  ? __rwlock_init (kernel/locking/spinlock_debug.c:48)
[  626.952870][T10529]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  626.952871][T10529]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  626.952872][T10529]  ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22))
[  626.952874][T10529]  ? trace_irq_disable.constprop.0 (./include/trace/events/preemptirq.h:36 (discriminator 22))
[  626.952875][T10529]  ? 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)
[  626.952877][T10529]  ? do_setlink.isra.0 (net/core/rtnetlink.c:3246)
[  626.952878][T10529]  netif_change_name.cold (net/core/dev.c:1507 (discriminator 3))
[  626.952880][T10529]  ? register_netdev (net/core/dev.c:11618)
[  626.952881][T10529]  ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22))
[  626.952883][T10529]  ? netdev_adjacent_rename_links (net/core/dev.c:9598)
[  626.952886][T10529]  ? __kernel_text_address (kernel/extable.c:79)
[  626.952888][T10529]  ? write_profile (profile.c:?)
[  626.952891][T10529]  ? __asan_memset (mm/kasan/shadow.c:84 (discriminator 1))
[  626.952895][T10529]  do_setlink.isra.0 (net/core/rtnetlink.c:3246)
[  626.952896][T10529]  ? stack_trace_save (kernel/stacktrace.c:122 (discriminator 1))
[  626.952898][T10529]  ? rtnl_link_get_size (net/core/rtnetlink.c:747)
[  626.952899][T10529]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  626.952900][T10529]  ? stack_depot_save_flags (lib/stackdepot.c:609 lib/stackdepot.c:676)
[  626.952904][T10529]  ? kasan_save_stack (mm/kasan/common.c:58)
[  626.952906][T10529]  ? kasan_save_stack (mm/kasan/common.c:57)
[  626.952907][T10529]  ? kasan_save_track (mm/kasan/common.c:78)
[  626.952908][T10529]  ? __kasan_kmalloc (mm/kasan/common.c:398 mm/kasan/common.c:415)
[  626.952909][T10529]  ? __kmalloc_cache_noprof (./include/linux/kasan.h:263 mm/slub.c:5563)
[  626.952910][T10529]  ? rtnl_newlink (./include/linux/slab.h:991 (discriminator 1) net/core/rtnetlink.c:4113 (discriminator 1))
[  626.952911][T10529]  ? rtnetlink_rcv_msg (net/core/rtnetlink.c:7132)
[  626.952912][T10529]  ? netlink_rcv_skb (net/netlink/af_netlink.c:2556)
[  626.952915][T10529]  ? netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[  626.952917][T10529]  ? netlink_sendmsg (net/netlink/af_netlink.c:1900)
[  626.952918][T10529]  ? __sock_sendmsg (net/socket.c:800 (discriminator 4) net/socket.c:815 (discriminator 4))
[  626.952921][T10529]  ? ____sys_sendmsg (net/socket.c:2713)
[  626.952922][T10529]  ? ___sys_sendmsg (net/socket.c:2767)
[  626.952924][T10529]  ? __sys_sendmsg (net/socket.c:2799)
[  626.952925][T10529]  ? do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84)
[  626.952928][T10529]  ? entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[  626.952930][T10529]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  626.952931][T10529]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  626.952933][T10529]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  626.952934][T10529]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  626.952935][T10529]  ? trace_contention_end (./include/trace/events/lock.h:121 (discriminator 22))
[  626.952936][T10529]  ? __mutex_lock (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:3188 kernel/locking/mutex.c:89 kernel/locking/mutex.c:134 kernel/locking/mutex.c:649 kernel/locking/mutex.c:821)
[  626.952938][T10529]  ? __mutex_lock (kernel/locking/mutex.c:656 (discriminator 1) kernel/locking/mutex.c:821 (discriminator 1))
[  626.952939][T10529]  ? rtnl_newlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:366 net/core/rtnetlink.c:4214)
[  626.952940][T10529]  ? ww_mutex_lock (kernel/locking/mutex.c:934)
[  626.952941][T10529]  ? nla_get_range_signed (lib/nlattr.c:270)
[  626.952945][T10529]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  626.952946][T10529]  ? __rtnl_newlink (net/core/rtnetlink.c:4063)
[  626.952948][T10529]  rtnl_newlink (net/core/rtnetlink.c:4215)
[  626.952951][T10529]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  626.952952][T10529]  ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558)
[  626.952953][T10529]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  626.952955][T10529]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  626.952956][T10529]  ? is_bpf_text_address (./include/linux/rcupdate.h:850 kernel/bpf/core.c:749)
[  626.952958][T10529]  ? is_bpf_text_address (./include/linux/rcupdate.h:882 kernel/bpf/core.c:751)
[  626.952960][T10529]  ? kernel_text_address (kernel/extable.c:125 kernel/extable.c:94)
[  626.952961][T10529]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  626.952962][T10529]  ? cap_capable (./include/trace/events/capability.h:26 (discriminator 22) security/commoncap.c:130 (discriminator 22))
[  626.952965][T10529]  ? arch_stack_walk (arch/x86/kernel/stacktrace.c:26)
[  626.952968][T10529]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  626.952969][T10529]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  626.952970][T10529]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  626.952972][T10529]  ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558)
[  626.952973][T10529]  rtnetlink_rcv_msg (net/core/rtnetlink.c:7132)
[  626.952975][T10529]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[  626.952976][T10529]  ? filter_irq_stacks (kernel/stacktrace.c:402)
[  626.952978][T10529]  ? stack_depot_save_flags (lib/stackdepot.c:609 lib/stackdepot.c:676)
[  626.952980][T10529]  netlink_rcv_skb (net/netlink/af_netlink.c:2556)
[  626.952982][T10529]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[  626.952983][T10529]  ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22))
[  626.952985][T10529]  ? netlink_ack (./include/linux/skbuff.h:2718)
[  626.952986][T10529]  ? __netlink_lookup (./include/linux/rcupdate.h:850 ./include/linux/rhashtable.h:709 net/netlink/af_netlink.c:499)
[  626.952989][T10529]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  626.952991][T10529]  ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22))
[  626.952993][T10529]  netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[  626.952995][T10529]  ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[  626.952997][T10529]  ? entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[  626.952999][T10529]  netlink_sendmsg (net/netlink/af_netlink.c:1900)
[  626.953001][T10529]  ? netlink_unicast (./include/net/net_namespace.h:422 (discriminator 7))
[  626.953002][T10529]  ? kernel_text_address (kernel/extable.c:125 kernel/extable.c:94)
[  626.953004][T10529]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  626.953006][T10529]  ? __import_iovec (lib/iov_iter.c:1358 lib/iov_iter.c:1373)
[  626.953009][T10529]  __sock_sendmsg (net/socket.c:800 (discriminator 4) net/socket.c:815 (discriminator 4))
[  626.953011][T10529]  ____sys_sendmsg (net/socket.c:2713)
[  626.953013][T10529]  ? copy_msghdr_from_user (net/socket.c:2650)
[  626.953014][T10529]  ? sock_write_iter (net/socket.c:1269)
[  626.953016][T10529]  ? move_addr_to_kernel (net/socket.c:258)
[  626.953017][T10529]  ? filter_irq_stacks (kernel/stacktrace.c:402)
[  626.953020][T10529]  ___sys_sendmsg (net/socket.c:2767)
[  626.953022][T10529]  ? copy_msghdr_from_user (net/socket.c:2619)
[  626.953027][T10529]  __sys_sendmsg (net/socket.c:2799)
[  626.953029][T10529]  ? __sys_sendmsg_sock (net/socket.c:2780)
[  626.953032][T10529]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  626.953033][T10529]  do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84)
[  626.953035][T10529]  ? exc_page_fault (arch/x86/mm/fault.c:1489 (discriminator 3) arch/x86/mm/fault.c:1536 (discriminator 3))
[  626.953037][T10529]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[  626.953039][T10529] RIP: 0033:0x7f8f23c3554e
[  626.953041][T10529] Code: 4d 89 d8 e8 b4 bd 00 00 4c 8b 5d f8 41 8b 93 08 03 00 00 59 5e 48 83 f8 fc 74 11 c9 c3 0f 1f 80 00 00 00 00 48 8b 45 10 0f 05 <c9> c3 83 e2 39 83 fa 08 75 e7 e8 03 ff ff ff 0f 1f 00 f3 0f 1e fa
All code
========
   0:	4d 89 d8             	mov    %r11,%r8
   3:	e8 b4 bd 00 00       	call   0xbdbc
   8:	4c 8b 5d f8          	mov    -0x8(%rbp),%r11
   c:	41 8b 93 08 03 00 00 	mov    0x308(%r11),%edx
  13:	59                   	pop    %rcx
  14:	5e                   	pop    %rsi
  15:	48 83 f8 fc          	cmp    $0xfffffffffffffffc,%rax
  19:	74 11                	je     0x2c
  1b:	c9                   	leave
  1c:	c3                   	ret
  1d:	0f 1f 80 00 00 00 00 	nopl   0x0(%rax)
  24:	48 8b 45 10          	mov    0x10(%rbp),%rax
  28:	0f 05                	syscall
  2a:*	c9                   	leave		<-- trapping instruction
  2b:	c3                   	ret
  2c:	83 e2 39             	and    $0x39,%edx
  2f:	83 fa 08             	cmp    $0x8,%edx
  32:	75 e7                	jne    0x1b
  34:	e8 03 ff ff ff       	call   0xffffffffffffff3c
  39:	0f 1f 00             	nopl   (%rax)
  3c:	f3 0f 1e fa          	endbr64

Code starting with the faulting instruction
===========================================
   0:	c9                   	leave
   1:	c3                   	ret
   2:	83 e2 39             	and    $0x39,%edx
   5:	83 fa 08             	cmp    $0x8,%edx
   8:	75 e7                	jne    0xfffffffffffffff1
   a:	e8 03 ff ff ff       	call   0xffffffffffffff12
   f:	0f 1f 00             	nopl   (%rax)
  12:	f3 0f 1e fa          	endbr64
[  626.953043][T10529] RSP: 002b:00007ffdb1e4c960 EFLAGS: 00000202 ORIG_RAX: 000000000000002e
[  626.953046][T10529] RAX: ffffffffffffffda RBX: 0000000000000005 RCX: 00007f8f23c3554e
[  626.953048][T10529] RDX: 0000000000000000 RSI: 00007ffdb1e4ca10 RDI: 0000000000000005
[  626.953049][T10529] RBP: 00007ffdb1e4c970 R08: 0000000000000000 R09: 0000000000000000
[  626.953049][T10529] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a90fdab
[  626.953050][T10529] R13: 00000000004a1620 R14: 0000000000000000 R15: 00007ffdb1e4d0e0
| [  635.108046][T10672] softirqs last disabled at (0): 0x0
| [  635.108048][T10672] Preemption disabled at:
| [  635.108049][T10672] vprintk_emit (kernel/printk/printk.c:2471)
| [  635.108059][T10672] Tainted: [W]=WARN
[  635.108060][T10672] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[  635.108062][T10672] Call Trace:
[  635.108063][T10672]  <TASK>
[  635.108065][T10672]  dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120)
[  635.108070][T10672]  ? vprintk_emit (kernel/printk/printk.c:2471)
[  635.108071][T10672]  __might_resched.cold (kernel/sched/core.c:9234)
[  635.108075][T10672]  ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3))
[  635.108079][T10672]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  635.108081][T10672]  __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))
[  635.108084][T10672]  ? __rwlock_init (kernel/locking/spinlock_debug.c:48)
[  635.108087][T10672]  ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[  635.108092][T10672]  ? 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)
[  635.108094][T10672]  alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[  635.108097][T10672]  put_chars (drivers/char/virtio_console.c:1176)
[  635.108098][T10672]  ? __send_to_port (drivers/char/virtio_console.c:654)
[  635.108099][T10672]  ? printk_get_next_message (kernel/printk/printk.c:3072)
[  635.108102][T10672]  ? console_prepend_replay (kernel/printk/printk.c:3005)
[  635.108104][T10672]  ? pointer (lib/vsprintf.c:2577)
[  635.108108][T10672]  hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2))
[  635.108112][T10672]  ? hvc_write (drivers/tty/hvc/hvc_console.c:501)
[  635.108114][T10672]  ? __rwlock_init (kernel/locking/spinlock_debug.c:48)
[  635.108116][T10672]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  635.108118][T10672]  console_emit_next_record (kernel/printk/printk.c:3183)
[  635.108121][T10672]  ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20)
[  635.108123][T10672]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  635.108124][T10672]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  635.108126][T10672]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  635.108127][T10672]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  635.108129][T10672]  ? console_flush_one_record (kernel/printk/printk.c:3247)
[  635.108131][T10672]  console_flush_one_record (kernel/printk/printk.c:3268)
[  635.108133][T10672]  ? console_emit_next_record (kernel/printk/printk.c:3150)
[  635.108136][T10672]  console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420)
[  635.108138][T10672]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  635.108139][T10672]  ? console_flush_one_record (kernel/printk/printk.c:3316)
[  635.108141][T10672]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  635.108142][T10672]  ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22))
[  635.108144][T10672]  ? 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)
[  635.108145][T10672]  ? __rcu_read_lock (kernel/rcu/tree_plugin.h:391 (discriminator 6))
[  635.108147][T10672]  ? __down_trylock_console_sem (kernel/printk/printk.c:334)
[  635.108149][T10672]  ? vprintk_emit (kernel/printk/printk.c:2478)
[  635.108150][T10672]  vprintk_emit (kernel/printk/printk.c:2479)
[  635.108152][T10672]  ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126))
[  635.108154][T10672]  ? prepare_to_wait_event (kernel/sched/wait.c:318 (discriminator 7))
[  635.108156][T10672]  ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22))
[  635.108159][T10672]  ? _mutex_trylock_nest_lock (kernel/locking/mutex.c:1227 (discriminator 6))
[  635.108162][T10672]  _printk (kernel/printk/printk.c:2504)
[  635.108165][T10672]  ? snapshot_read.cold (user.c:?)
[  635.108167][T10672]  ? synchronize_rcu_normal (kernel/rcu/tree.c:3360)
[  635.108169][T10672]  ? netdev_name (./include/linux/netdevice.h:5709 (discriminator 1))
[  635.108172][T10672]  ? __netdev_printk (net/core/dev.c:13148 (discriminator 2))
[  635.108174][T10672]  ? do_setlink.isra.0 (net/core/rtnetlink.c:3246)
[  635.108177][T10672]  netdev_info (net/core/dev.c:13195 (discriminator 3))
[  635.108180][T10672]  ? netdev_notice (net/core/dev.c:13194)
[  635.108182][T10672]  ? 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)
[  635.108183][T10672]  ? __dev_change_net_namespace (net/core/dev.c:12342 net/core/dev.c:12883)
[  635.108186][T10672]  ? __rwlock_init (kernel/locking/spinlock_debug.c:48)
[  635.108188][T10672]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  635.108189][T10672]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  635.108190][T10672]  ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22))
[  635.108191][T10672]  ? trace_irq_disable.constprop.0 (./include/trace/events/preemptirq.h:36 (discriminator 22))
[  635.108193][T10672]  ? 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)
[  635.108194][T10672]  ? do_setlink.isra.0 (net/core/rtnetlink.c:3246)
[  635.108196][T10672]  netif_change_name.cold (net/core/dev.c:1507 (discriminator 3))
[  635.108198][T10672]  ? register_netdev (net/core/dev.c:11618)
[  635.108200][T10672]  ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22))
[  635.108202][T10672]  ? netdev_adjacent_rename_links (net/core/dev.c:9598)
[  635.108205][T10672]  ? __kernel_text_address (kernel/extable.c:79)
[  635.108208][T10672]  ? write_profile (profile.c:?)
[  635.108210][T10672]  ? __asan_memset (mm/kasan/shadow.c:84 (discriminator 1))
[  635.108214][T10672]  do_setlink.isra.0 (net/core/rtnetlink.c:3246)
[  635.108216][T10672]  ? stack_trace_save (kernel/stacktrace.c:122 (discriminator 1))
[  635.108218][T10672]  ? rtnl_link_get_size (net/core/rtnetlink.c:747)
[  635.108219][T10672]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  635.108220][T10672]  ? stack_depot_save_flags (lib/stackdepot.c:609 lib/stackdepot.c:676)
[  635.108223][T10672]  ? kasan_save_stack (mm/kasan/common.c:58)
[  635.108225][T10672]  ? kasan_save_stack (mm/kasan/common.c:57)
[  635.108226][T10672]  ? kasan_save_track (mm/kasan/common.c:78)
[  635.108227][T10672]  ? __kasan_kmalloc (mm/kasan/common.c:398 mm/kasan/common.c:415)
[  635.108228][T10672]  ? __kmalloc_cache_noprof (./include/linux/kasan.h:263 mm/slub.c:5563)
[  635.108230][T10672]  ? rtnl_newlink (./include/linux/slab.h:991 (discriminator 1) net/core/rtnetlink.c:4113 (discriminator 1))
[  635.108231][T10672]  ? rtnetlink_rcv_msg (net/core/rtnetlink.c:7132)
[  635.108232][T10672]  ? netlink_rcv_skb (net/netlink/af_netlink.c:2556)
[  635.108235][T10672]  ? netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[  635.108237][T10672]  ? netlink_sendmsg (net/netlink/af_netlink.c:1900)
[  635.108238][T10672]  ? __sock_sendmsg (net/socket.c:800 (discriminator 4) net/socket.c:815 (discriminator 4))
[  635.108241][T10672]  ? ____sys_sendmsg (net/socket.c:2713)
[  635.108242][T10672]  ? ___sys_sendmsg (net/socket.c:2767)
[  635.108243][T10672]  ? __sys_sendmsg (net/socket.c:2799)
[  635.108245][T10672]  ? do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84)
[  635.108247][T10672]  ? entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[  635.108250][T10672]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  635.108251][T10672]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  635.108253][T10672]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  635.108254][T10672]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  635.108255][T10672]  ? trace_contention_end (./include/trace/events/lock.h:121 (discriminator 22))
[  635.108256][T10672]  ? __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)
[  635.108258][T10672]  ? __mutex_lock (kernel/locking/mutex.c:656 (discriminator 1) kernel/locking/mutex.c:821 (discriminator 1))
[  635.108259][T10672]  ? rtnl_newlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:366 net/core/rtnetlink.c:4214)
[  635.108260][T10672]  ? ww_mutex_lock (kernel/locking/mutex.c:934)
[  635.108261][T10672]  ? nla_get_range_signed (lib/nlattr.c:270)
[  635.108265][T10672]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  635.108266][T10672]  ? __rtnl_newlink (net/core/rtnetlink.c:4063)
[  635.108268][T10672]  rtnl_newlink (net/core/rtnetlink.c:4215)
[  635.108270][T10672]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  635.108272][T10672]  ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558)
[  635.108273][T10672]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  635.108274][T10672]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  635.108276][T10672]  ? is_bpf_text_address (./include/linux/rcupdate.h:850 kernel/bpf/core.c:749)
[  635.108278][T10672]  ? is_bpf_text_address (./include/linux/rcupdate.h:882 kernel/bpf/core.c:751)
[  635.108279][T10672]  ? kernel_text_address (kernel/extable.c:125 kernel/extable.c:94)
[  635.108281][T10672]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  635.108282][T10672]  ? cap_capable (./include/trace/events/capability.h:26 (discriminator 22) security/commoncap.c:130 (discriminator 22))
[  635.108285][T10672]  ? arch_stack_walk (arch/x86/kernel/stacktrace.c:26)
[  635.108288][T10672]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  635.108289][T10672]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  635.108290][T10672]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  635.108292][T10672]  ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558)
[  635.108293][T10672]  rtnetlink_rcv_msg (net/core/rtnetlink.c:7132)
[  635.108295][T10672]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[  635.108296][T10672]  ? filter_irq_stacks (kernel/stacktrace.c:402)
[  635.108298][T10672]  ? stack_depot_save_flags (lib/stackdepot.c:609 lib/stackdepot.c:676)
[  635.108300][T10672]  netlink_rcv_skb (net/netlink/af_netlink.c:2556)
[  635.108302][T10672]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[  635.108304][T10672]  ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22))
[  635.108305][T10672]  ? netlink_ack (./include/linux/skbuff.h:2718)
[  635.108307][T10672]  ? __netlink_lookup (./include/linux/rcupdate.h:850 ./include/linux/rhashtable.h:709 net/netlink/af_netlink.c:499)
[  635.108310][T10672]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  635.108311][T10672]  ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22))
[  635.108313][T10672]  netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[  635.108316][T10672]  ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[  635.108317][T10672]  ? entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[  635.108319][T10672]  netlink_sendmsg (net/netlink/af_netlink.c:1900)
[  635.108322][T10672]  ? netlink_unicast (./include/net/net_namespace.h:422 (discriminator 7))
[  635.108323][T10672]  ? kernel_text_address (kernel/extable.c:125 kernel/extable.c:94)
[  635.108325][T10672]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  635.108326][T10672]  ? __import_iovec (lib/iov_iter.c:1358 lib/iov_iter.c:1373)
[  635.108330][T10672]  __sock_sendmsg (net/socket.c:800 (discriminator 4) net/socket.c:815 (discriminator 4))
[  635.108332][T10672]  ____sys_sendmsg (net/socket.c:2713)
[  635.108333][T10672]  ? copy_msghdr_from_user (net/socket.c:2650)
[  635.108335][T10672]  ? sock_write_iter (net/socket.c:1269)
[  635.108336][T10672]  ? move_addr_to_kernel (net/socket.c:258)
[  635.108338][T10672]  ? filter_irq_stacks (kernel/stacktrace.c:402)
[  635.108341][T10672]  ___sys_sendmsg (net/socket.c:2767)
[  635.108342][T10672]  ? copy_msghdr_from_user (net/socket.c:2619)
[  635.108348][T10672]  __sys_sendmsg (net/socket.c:2799)
[  635.108350][T10672]  ? __sys_sendmsg_sock (net/socket.c:2780)
[  635.108352][T10672]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  635.108354][T10672]  do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84)
[  635.108356][T10672]  ? exc_page_fault (arch/x86/mm/fault.c:1489 (discriminator 3) arch/x86/mm/fault.c:1536 (discriminator 3))
[  635.108358][T10672]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[  635.108360][T10672] RIP: 0033:0x7f422aa4054e
[  635.108361][T10672] 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
[  635.108363][T10672] RSP: 002b:00007ffe37b3e0a0 EFLAGS: 00000202 ORIG_RAX: 000000000000002e
[  635.108367][T10672] RAX: ffffffffffffffda RBX: 0000000000000005 RCX: 00007f422aa4054e
[  635.108368][T10672] RDX: 0000000000000000 RSI: 00007ffe37b3e150 RDI: 0000000000000005
[  635.108369][T10672] RBP: 00007ffe37b3e0b0 R08: 0000000000000000 R09: 0000000000000000
[  635.108370][T10672] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a90fdb3
[  635.108371][T10672] R13: 00000000004a1620 R14: 0000000000000000 R15: 00007ffe37b3e820
| [  643.408891][T10815] softirqs last disabled at (0): 0x0
| [  643.408892][T10815] Preemption disabled at:
| [  643.408893][T10815] vprintk_emit (kernel/printk/printk.c:2471)
| [  643.408904][T10815] Tainted: [W]=WARN
[  643.408905][T10815] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[  643.408907][T10815] Call Trace:
[  643.408909][T10815]  <TASK>
[  643.408910][T10815]  dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120)
[  643.408915][T10815]  ? vprintk_emit (kernel/printk/printk.c:2471)
[  643.408917][T10815]  __might_resched.cold (kernel/sched/core.c:9234)
[  643.408920][T10815]  ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3))
[  643.408924][T10815]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  643.408926][T10815]  __kmalloc_noprof (./include/linux/sched/mm.h:322 (discriminator 2) mm/slub.c:4636 (discriminator 2) mm/slub.c:4974 (discriminator 2) mm/slub.c:5413 (discriminator 2) mm/slub.c:5439 (discriminator 2))
[  643.408929][T10815]  ? __rwlock_init (kernel/locking/spinlock_debug.c:48)
[  643.408932][T10815]  ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[  643.408937][T10815]  ? do_raw_spin_unlock (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:32 ./include/asm-generic/qspinlock.h:58 kernel/locking/spinlock_debug.c:101 kernel/locking/spinlock_debug.c:141)
[  643.408939][T10815]  alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[  643.408941][T10815]  put_chars (drivers/char/virtio_console.c:1176)
[  643.408943][T10815]  ? __send_to_port (drivers/char/virtio_console.c:654)
[  643.408944][T10815]  ? printk_get_next_message (kernel/printk/printk.c:3072)
[  643.408947][T10815]  ? console_prepend_replay (kernel/printk/printk.c:3005)
[  643.408949][T10815]  ? pointer (lib/vsprintf.c:2577)
[  643.408952][T10815]  hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2))
[  643.408957][T10815]  ? hvc_write (drivers/tty/hvc/hvc_console.c:501)
[  643.408959][T10815]  ? __rwlock_init (kernel/locking/spinlock_debug.c:48)
[  643.408961][T10815]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  643.408964][T10815]  console_emit_next_record (kernel/printk/printk.c:3183)
[  643.408967][T10815]  ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20)
[  643.408969][T10815]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  643.408970][T10815]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  643.408971][T10815]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  643.408972][T10815]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  643.408974][T10815]  ? console_flush_one_record (kernel/printk/printk.c:3247)
[  643.408976][T10815]  console_flush_one_record (kernel/printk/printk.c:3268)
[  643.408979][T10815]  ? console_emit_next_record (kernel/printk/printk.c:3150)
[  643.408982][T10815]  console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420)
[  643.408984][T10815]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  643.408985][T10815]  ? console_flush_one_record (kernel/printk/printk.c:3316)
[  643.408987][T10815]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  643.408988][T10815]  ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22))
[  643.408990][T10815]  ? lock_acquire (./include/linux/srcutree.h:374 ./include/linux/srcu.h:541 ./include/linux/srcu.h:645 ./include/trace/events/lock.h:23 ./include/trace/events/lock.h:23 kernel/locking/lockdep.c:5871)
[  643.408991][T10815]  ? __rcu_read_lock (kernel/rcu/tree_plugin.h:391 (discriminator 6))
[  643.408993][T10815]  ? __down_trylock_console_sem (kernel/printk/printk.c:334)
[  643.408995][T10815]  ? vprintk_emit (kernel/printk/printk.c:2478)
[  643.408996][T10815]  vprintk_emit (kernel/printk/printk.c:2479)
[  643.408998][T10815]  ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126))
[  643.408999][T10815]  ? prepare_to_wait_event (kernel/sched/wait.c:318 (discriminator 7))
[  643.409002][T10815]  ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22))
[  643.409005][T10815]  ? _mutex_trylock_nest_lock (kernel/locking/mutex.c:1227 (discriminator 6))
[  643.409007][T10815]  _printk (kernel/printk/printk.c:2504)
[  643.409010][T10815]  ? snapshot_read.cold (user.c:?)
[  643.409012][T10815]  ? synchronize_rcu_normal (kernel/rcu/tree.c:3360)
[  643.409014][T10815]  ? netdev_name (./include/linux/netdevice.h:5709 (discriminator 1))
[  643.409018][T10815]  ? __netdev_printk (net/core/dev.c:13148 (discriminator 2))
[  643.409020][T10815]  ? do_setlink.isra.0 (net/core/rtnetlink.c:3246)
[  643.409023][T10815]  netdev_info (net/core/dev.c:13195 (discriminator 3))
[  643.409025][T10815]  ? netdev_notice (net/core/dev.c:13194)
[  643.409028][T10815]  ? 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)
[  643.409029][T10815]  ? __dev_change_net_namespace (net/core/dev.c:12342 net/core/dev.c:12883)
[  643.409032][T10815]  ? __rwlock_init (kernel/locking/spinlock_debug.c:48)
[  643.409034][T10815]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  643.409035][T10815]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  643.409036][T10815]  ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22))
[  643.409038][T10815]  ? trace_irq_disable.constprop.0 (./include/trace/events/preemptirq.h:36 (discriminator 22))
[  643.409040][T10815]  ? 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)
[  643.409041][T10815]  ? do_setlink.isra.0 (net/core/rtnetlink.c:3246)
[  643.409043][T10815]  netif_change_name.cold (net/core/dev.c:1507 (discriminator 3))
[  643.409044][T10815]  ? register_netdev (net/core/dev.c:11618)
[  643.409045][T10815]  ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22))
[  643.409048][T10815]  ? netdev_adjacent_rename_links (net/core/dev.c:9598)
[  643.409050][T10815]  ? __kernel_text_address (kernel/extable.c:79)
[  643.409053][T10815]  ? write_profile (profile.c:?)
[  643.409055][T10815]  ? __asan_memset (mm/kasan/shadow.c:84 (discriminator 1))
[  643.409059][T10815]  do_setlink.isra.0 (net/core/rtnetlink.c:3246)
[  643.409061][T10815]  ? stack_trace_save (kernel/stacktrace.c:122 (discriminator 1))
[  643.409062][T10815]  ? rtnl_link_get_size (net/core/rtnetlink.c:747)
[  643.409064][T10815]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  643.409065][T10815]  ? stack_depot_save_flags (lib/stackdepot.c:609 lib/stackdepot.c:676)
[  643.409068][T10815]  ? kasan_save_stack (mm/kasan/common.c:58)
[  643.409070][T10815]  ? kasan_save_stack (mm/kasan/common.c:57)
[  643.409071][T10815]  ? kasan_save_track (mm/kasan/common.c:78)
[  643.409072][T10815]  ? __kasan_kmalloc (mm/kasan/common.c:398 mm/kasan/common.c:415)
[  643.409074][T10815]  ? __kmalloc_cache_noprof (./include/linux/kasan.h:263 mm/slub.c:5563)
[  643.409075][T10815]  ? rtnl_newlink (./include/linux/slab.h:991 (discriminator 1) net/core/rtnetlink.c:4113 (discriminator 1))
[  643.409076][T10815]  ? rtnetlink_rcv_msg (net/core/rtnetlink.c:7132)
[  643.409077][T10815]  ? netlink_rcv_skb (net/netlink/af_netlink.c:2556)
[  643.409080][T10815]  ? netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[  643.409081][T10815]  ? netlink_sendmsg (net/netlink/af_netlink.c:1900)
[  643.409083][T10815]  ? __sock_sendmsg (net/socket.c:800 (discriminator 4) net/socket.c:815 (discriminator 4))
[  643.409086][T10815]  ? ____sys_sendmsg (net/socket.c:2713)
[  643.409087][T10815]  ? ___sys_sendmsg (net/socket.c:2767)
[  643.409089][T10815]  ? __sys_sendmsg (net/socket.c:2799)
[  643.409090][T10815]  ? do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84)
[  643.409093][T10815]  ? entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[  643.409095][T10815]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  643.409096][T10815]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  643.409098][T10815]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  643.409099][T10815]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  643.409100][T10815]  ? trace_contention_end (./include/trace/events/lock.h:121 (discriminator 22))
[  643.409101][T10815]  ? __mutex_lock (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:3188 kernel/locking/mutex.c:89 kernel/locking/mutex.c:134 kernel/locking/mutex.c:649 kernel/locking/mutex.c:821)
[  643.409103][T10815]  ? __mutex_lock (kernel/locking/mutex.c:656 (discriminator 1) kernel/locking/mutex.c:821 (discriminator 1))
[  643.409104][T10815]  ? rtnl_newlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:366 net/core/rtnetlink.c:4214)
[  643.409106][T10815]  ? ww_mutex_lock (kernel/locking/mutex.c:934)
[  643.409107][T10815]  ? nla_get_range_signed (lib/nlattr.c:270)
[  643.409110][T10815]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  643.409111][T10815]  ? __rtnl_newlink (net/core/rtnetlink.c:4063)
[  643.409113][T10815]  rtnl_newlink (net/core/rtnetlink.c:4215)
[  643.409115][T10815]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  643.409117][T10815]  ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558)
[  643.409118][T10815]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  643.409120][T10815]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  643.409121][T10815]  ? is_bpf_text_address (./include/linux/rcupdate.h:850 kernel/bpf/core.c:749)
[  643.409124][T10815]  ? is_bpf_text_address (./include/linux/rcupdate.h:882 kernel/bpf/core.c:751)
[  643.409125][T10815]  ? kernel_text_address (kernel/extable.c:125 kernel/extable.c:94)
[  643.409127][T10815]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  643.409128][T10815]  ? cap_capable (./include/trace/events/capability.h:26 (discriminator 22) security/commoncap.c:130 (discriminator 22))
[  643.409131][T10815]  ? arch_stack_walk (arch/x86/kernel/stacktrace.c:26)
[  643.409133][T10815]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  643.409135][T10815]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  643.409136][T10815]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  643.409137][T10815]  ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558)
[  643.409139][T10815]  rtnetlink_rcv_msg (net/core/rtnetlink.c:7132)
[  643.409140][T10815]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[  643.409142][T10815]  ? filter_irq_stacks (kernel/stacktrace.c:402)
[  643.409143][T10815]  ? stack_depot_save_flags (lib/stackdepot.c:609 lib/stackdepot.c:676)
[  643.409146][T10815]  netlink_rcv_skb (net/netlink/af_netlink.c:2556)
[  643.409147][T10815]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[  643.409149][T10815]  ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22))
[  643.409151][T10815]  ? netlink_ack (./include/linux/skbuff.h:2718)
[  643.409153][T10815]  ? __netlink_lookup (./include/linux/rcupdate.h:850 ./include/linux/rhashtable.h:709 net/netlink/af_netlink.c:499)
[  643.409157][T10815]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  643.409159][T10815]  ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22))
[  643.409162][T10815]  netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[  643.409166][T10815]  ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[  643.409168][T10815]  ? entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[  643.409172][T10815]  netlink_sendmsg (net/netlink/af_netlink.c:1900)
[  643.409175][T10815]  ? netlink_unicast (./include/net/net_namespace.h:422 (discriminator 7))
[  643.409177][T10815]  ? kernel_text_address (kernel/extable.c:125 kernel/extable.c:94)
[  643.409180][T10815]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  643.409182][T10815]  ? __import_iovec (lib/iov_iter.c:1358 lib/iov_iter.c:1373)
[  643.409185][T10815]  __sock_sendmsg (net/socket.c:800 (discriminator 4) net/socket.c:815 (discriminator 4))
[  643.409187][T10815]  ____sys_sendmsg (net/socket.c:2713)
[  643.409189][T10815]  ? copy_msghdr_from_user (net/socket.c:2650)
[  643.409191][T10815]  ? sock_write_iter (net/socket.c:1269)
[  643.409192][T10815]  ? move_addr_to_kernel (net/socket.c:258)
[  643.409194][T10815]  ? filter_irq_stacks (kernel/stacktrace.c:402)
[  643.409197][T10815]  ___sys_sendmsg (net/socket.c:2767)
[  643.409199][T10815]  ? copy_msghdr_from_user (net/socket.c:2619)
[  643.409205][T10815]  __sys_sendmsg (net/socket.c:2799)
[  643.409207][T10815]  ? __sys_sendmsg_sock (net/socket.c:2780)
[  643.409210][T10815]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  643.409211][T10815]  do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84)
[  643.409214][T10815]  ? exc_page_fault (arch/x86/mm/fault.c:1489 (discriminator 3) arch/x86/mm/fault.c:1536 (discriminator 3))
[  643.409216][T10815]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[  643.409217][T10815] RIP: 0033:0x7fe8778d554e
[  643.409219][T10815] Code: 4d 89 d8 e8 b4 bd 00 00 4c 8b 5d f8 41 8b 93 08 03 00 00 59 5e 48 83 f8 fc 74 11 c9 c3 0f 1f 80 00 00 00 00 48 8b 45 10 0f 05 <c9> c3 83 e2 39 83 fa 08 75 e7 e8 03 ff ff ff 0f 1f 00 f3 0f 1e fa
All code
========
   0:	4d 89 d8             	mov    %r11,%r8
   3:	e8 b4 bd 00 00       	call   0xbdbc
   8:	4c 8b 5d f8          	mov    -0x8(%rbp),%r11
   c:	41 8b 93 08 03 00 00 	mov    0x308(%r11),%edx
  13:	59                   	pop    %rcx
  14:	5e                   	pop    %rsi
  15:	48 83 f8 fc          	cmp    $0xfffffffffffffffc,%rax
  19:	74 11                	je     0x2c
  1b:	c9                   	leave
  1c:	c3                   	ret
  1d:	0f 1f 80 00 00 00 00 	nopl   0x0(%rax)
  24:	48 8b 45 10          	mov    0x10(%rbp),%rax
  28:	0f 05                	syscall
  2a:*	c9                   	leave		<-- trapping instruction
  2b:	c3                   	ret
  2c:	83 e2 39             	and    $0x39,%edx
  2f:	83 fa 08             	cmp    $0x8,%edx
  32:	75 e7                	jne    0x1b
  34:	e8 03 ff ff ff       	call   0xffffffffffffff3c
  39:	0f 1f 00             	nopl   (%rax)
  3c:	f3 0f 1e fa          	endbr64

Code starting with the faulting instruction
===========================================
   0:	c9                   	leave
   1:	c3                   	ret
   2:	83 e2 39             	and    $0x39,%edx
   5:	83 fa 08             	cmp    $0x8,%edx
   8:	75 e7                	jne    0xfffffffffffffff1
   a:	e8 03 ff ff ff       	call   0xffffffffffffff12
   f:	0f 1f 00             	nopl   (%rax)
  12:	f3 0f 1e fa          	endbr64
[  643.409221][T10815] RSP: 002b:00007ffd2d2ef280 EFLAGS: 00000202 ORIG_RAX: 000000000000002e
[  643.409225][T10815] RAX: ffffffffffffffda RBX: 0000000000000005 RCX: 00007fe8778d554e
[  643.409227][T10815] RDX: 0000000000000000 RSI: 00007ffd2d2ef330 RDI: 0000000000000005
[  643.409227][T10815] RBP: 00007ffd2d2ef290 R08: 0000000000000000 R09: 0000000000000000
[  643.409228][T10815] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a90fdbb
[  643.409229][T10815] R13: 00000000004a1620 R14: 0000000000000000 R15: 00007ffd2d2efa00
| [  651.697820][T10958] softirqs last disabled at (0): 0x0
| [  651.697822][T10958] Preemption disabled at:
| [  651.697823][T10958] vprintk_emit (kernel/printk/printk.c:2471)
| [  651.697833][T10958] Tainted: [W]=WARN
[  651.697834][T10958] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[  651.697836][T10958] Call Trace:
[  651.697837][T10958]  <TASK>
[  651.697839][T10958]  dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120)
[  651.697844][T10958]  ? vprintk_emit (kernel/printk/printk.c:2471)
[  651.697846][T10958]  __might_resched.cold (kernel/sched/core.c:9234)
[  651.697850][T10958]  ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3))
[  651.697853][T10958]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  651.697856][T10958]  __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))
[  651.697859][T10958]  ? __rwlock_init (kernel/locking/spinlock_debug.c:48)
[  651.697862][T10958]  ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[  651.697867][T10958]  ? 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)
[  651.697869][T10958]  alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[  651.697872][T10958]  put_chars (drivers/char/virtio_console.c:1176)
[  651.697874][T10958]  ? __send_to_port (drivers/char/virtio_console.c:654)
[  651.697875][T10958]  ? printk_get_next_message (kernel/printk/printk.c:3072)
[  651.697877][T10958]  ? console_prepend_replay (kernel/printk/printk.c:3005)
[  651.697879][T10958]  ? pointer (lib/vsprintf.c:2577)
[  651.697883][T10958]  hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2))
[  651.697888][T10958]  ? hvc_write (drivers/tty/hvc/hvc_console.c:501)
[  651.697889][T10958]  ? __rwlock_init (kernel/locking/spinlock_debug.c:48)
[  651.697891][T10958]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  651.697894][T10958]  console_emit_next_record (kernel/printk/printk.c:3183)
[  651.697897][T10958]  ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20)
[  651.697899][T10958]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  651.697900][T10958]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  651.697901][T10958]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  651.697902][T10958]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  651.697904][T10958]  ? console_flush_one_record (kernel/printk/printk.c:3247)
[  651.697906][T10958]  console_flush_one_record (kernel/printk/printk.c:3268)
[  651.697908][T10958]  ? console_emit_next_record (kernel/printk/printk.c:3150)
[  651.697911][T10958]  console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420)
[  651.697913][T10958]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  651.697914][T10958]  ? console_flush_one_record (kernel/printk/printk.c:3316)
[  651.697916][T10958]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  651.697917][T10958]  ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22))
[  651.697919][T10958]  ? 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)
[  651.697920][T10958]  ? __rcu_read_lock (kernel/rcu/tree_plugin.h:391 (discriminator 6))
[  651.697922][T10958]  ? __down_trylock_console_sem (kernel/printk/printk.c:334)
[  651.697924][T10958]  ? vprintk_emit (kernel/printk/printk.c:2478)
[  651.697925][T10958]  vprintk_emit (kernel/printk/printk.c:2479)
[  651.697927][T10958]  ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126))
[  651.697928][T10958]  ? prepare_to_wait_event (kernel/sched/wait.c:318 (discriminator 7))
[  651.697931][T10958]  ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22))
[  651.697934][T10958]  ? _mutex_trylock_nest_lock (kernel/locking/mutex.c:1227 (discriminator 6))
[  651.697937][T10958]  _printk (kernel/printk/printk.c:2504)
[  651.697940][T10958]  ? snapshot_read.cold (user.c:?)
[  651.697942][T10958]  ? synchronize_rcu_normal (kernel/rcu/tree.c:3360)
[  651.697944][T10958]  ? netdev_name (./include/linux/netdevice.h:5709 (discriminator 1))
[  651.697947][T10958]  ? __netdev_printk (net/core/dev.c:13148 (discriminator 2))
[  651.697949][T10958]  ? do_setlink.isra.0 (net/core/rtnetlink.c:3246)
[  651.697952][T10958]  netdev_info (net/core/dev.c:13195 (discriminator 3))
[  651.697955][T10958]  ? netdev_notice (net/core/dev.c:13194)
[  651.697957][T10958]  ? 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)
[  651.697959][T10958]  ? __dev_change_net_namespace (net/core/dev.c:12342 net/core/dev.c:12883)
[  651.697961][T10958]  ? __rwlock_init (kernel/locking/spinlock_debug.c:48)
[  651.697963][T10958]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  651.697964][T10958]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  651.697965][T10958]  ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22))
[  651.697966][T10958]  ? trace_irq_disable.constprop.0 (./include/trace/events/preemptirq.h:36 (discriminator 22))
[  651.697968][T10958]  ? 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)
[  651.697969][T10958]  ? do_setlink.isra.0 (net/core/rtnetlink.c:3246)
[  651.697971][T10958]  netif_change_name.cold (net/core/dev.c:1507 (discriminator 3))
[  651.697972][T10958]  ? register_netdev (net/core/dev.c:11618)
[  651.697974][T10958]  ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22))
[  651.697976][T10958]  ? netdev_adjacent_rename_links (net/core/dev.c:9598)
[  651.697978][T10958]  ? __kernel_text_address (kernel/extable.c:79)
[  651.697981][T10958]  ? write_profile (profile.c:?)
[  651.697984][T10958]  ? __asan_memset (mm/kasan/shadow.c:84 (discriminator 1))
[  651.697987][T10958]  do_setlink.isra.0 (net/core/rtnetlink.c:3246)
[  651.697989][T10958]  ? stack_trace_save (kernel/stacktrace.c:122 (discriminator 1))
[  651.697991][T10958]  ? rtnl_link_get_size (net/core/rtnetlink.c:747)
[  651.697992][T10958]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  651.697993][T10958]  ? stack_depot_save_flags (lib/stackdepot.c:609 lib/stackdepot.c:676)
[  651.697996][T10958]  ? kasan_save_stack (mm/kasan/common.c:58)
[  651.697998][T10958]  ? kasan_save_stack (mm/kasan/common.c:57)
[  651.697999][T10958]  ? kasan_save_track (mm/kasan/common.c:78)
[  651.698000][T10958]  ? __kasan_kmalloc (mm/kasan/common.c:398 mm/kasan/common.c:415)
[  651.698001][T10958]  ? __kmalloc_cache_noprof (./include/linux/kasan.h:263 mm/slub.c:5563)
[  651.698002][T10958]  ? rtnl_newlink (./include/linux/slab.h:991 (discriminator 1) net/core/rtnetlink.c:4113 (discriminator 1))
[  651.698004][T10958]  ? rtnetlink_rcv_msg (net/core/rtnetlink.c:7132)
[  651.698005][T10958]  ? netlink_rcv_skb (net/netlink/af_netlink.c:2556)
[  651.698008][T10958]  ? netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[  651.698009][T10958]  ? netlink_sendmsg (net/netlink/af_netlink.c:1900)
[  651.698011][T10958]  ? __sock_sendmsg (net/socket.c:800 (discriminator 4) net/socket.c:815 (discriminator 4))
[  651.698014][T10958]  ? ____sys_sendmsg (net/socket.c:2713)
[  651.698015][T10958]  ? ___sys_sendmsg (net/socket.c:2767)
[  651.698016][T10958]  ? __sys_sendmsg (net/socket.c:2799)
[  651.698018][T10958]  ? do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84)
[  651.698020][T10958]  ? entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[  651.698023][T10958]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  651.698024][T10958]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  651.698026][T10958]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  651.698027][T10958]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  651.698028][T10958]  ? trace_contention_end (./include/trace/events/lock.h:121 (discriminator 22))
[  651.698029][T10958]  ? __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)
[  651.698030][T10958]  ? __mutex_lock (kernel/locking/mutex.c:656 (discriminator 1) kernel/locking/mutex.c:821 (discriminator 1))
[  651.698032][T10958]  ? rtnl_newlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:366 net/core/rtnetlink.c:4214)
[  651.698033][T10958]  ? ww_mutex_lock (kernel/locking/mutex.c:934)
[  651.698034][T10958]  ? nla_get_range_signed (lib/nlattr.c:270)
[  651.698038][T10958]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  651.698039][T10958]  ? __rtnl_newlink (net/core/rtnetlink.c:4063)
[  651.698041][T10958]  rtnl_newlink (net/core/rtnetlink.c:4215)
[  651.698043][T10958]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  651.698044][T10958]  ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558)
[  651.698045][T10958]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  651.698047][T10958]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  651.698048][T10958]  ? is_bpf_text_address (./include/linux/rcupdate.h:850 kernel/bpf/core.c:749)
[  651.698051][T10958]  ? is_bpf_text_address (./include/linux/rcupdate.h:882 kernel/bpf/core.c:751)
[  651.698052][T10958]  ? kernel_text_address (kernel/extable.c:125 kernel/extable.c:94)
[  651.698054][T10958]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  651.698055][T10958]  ? cap_capable (./include/trace/events/capability.h:26 (discriminator 22) security/commoncap.c:130 (discriminator 22))
[  651.698058][T10958]  ? arch_stack_walk (arch/x86/kernel/stacktrace.c:26)
[  651.698060][T10958]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  651.698061][T10958]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  651.698063][T10958]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  651.698064][T10958]  ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558)
[  651.698066][T10958]  rtnetlink_rcv_msg (net/core/rtnetlink.c:7132)
[  651.698067][T10958]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[  651.698069][T10958]  ? filter_irq_stacks (kernel/stacktrace.c:402)
[  651.698070][T10958]  ? stack_depot_save_flags (lib/stackdepot.c:609 lib/stackdepot.c:676)
[  651.698073][T10958]  netlink_rcv_skb (net/netlink/af_netlink.c:2556)
[  651.698074][T10958]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[  651.698076][T10958]  ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22))
[  651.698077][T10958]  ? netlink_ack (./include/linux/skbuff.h:2718)
[  651.698079][T10958]  ? __netlink_lookup (./include/linux/rcupdate.h:850 ./include/linux/rhashtable.h:709 net/netlink/af_netlink.c:499)
[  651.698082][T10958]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  651.698083][T10958]  ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22))
[  651.698085][T10958]  netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[  651.698088][T10958]  ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[  651.698090][T10958]  ? entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[  651.698092][T10958]  netlink_sendmsg (net/netlink/af_netlink.c:1900)
[  651.698094][T10958]  ? netlink_unicast (./include/net/net_namespace.h:422 (discriminator 7))
[  651.698096][T10958]  ? kernel_text_address (kernel/extable.c:125 kernel/extable.c:94)
[  651.698097][T10958]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  651.698099][T10958]  ? __import_iovec (lib/iov_iter.c:1358 lib/iov_iter.c:1373)
[  651.698102][T10958]  __sock_sendmsg (net/socket.c:800 (discriminator 4) net/socket.c:815 (discriminator 4))
[  651.698104][T10958]  ____sys_sendmsg (net/socket.c:2713)
[  651.698106][T10958]  ? copy_msghdr_from_user (net/socket.c:2650)
[  651.698107][T10958]  ? sock_write_iter (net/socket.c:1269)
[  651.698109][T10958]  ? move_addr_to_kernel (net/socket.c:258)
[  651.698110][T10958]  ? filter_irq_stacks (kernel/stacktrace.c:402)
[  651.698113][T10958]  ___sys_sendmsg (net/socket.c:2767)
[  651.698115][T10958]  ? copy_msghdr_from_user (net/socket.c:2619)
[  651.698120][T10958]  __sys_sendmsg (net/socket.c:2799)
[  651.698122][T10958]  ? __sys_sendmsg_sock (net/socket.c:2780)
[  651.698125][T10958]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  651.698126][T10958]  do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84)
[  651.698128][T10958]  ? exc_page_fault (arch/x86/mm/fault.c:1489 (discriminator 3) arch/x86/mm/fault.c:1536 (discriminator 3))
[  651.698130][T10958]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[  651.698132][T10958] RIP: 0033:0x7fc28bfd654e
[  651.698134][T10958] 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
[  651.698136][T10958] RSP: 002b:00007fffeae42c60 EFLAGS: 00000202 ORIG_RAX: 000000000000002e
[  651.698140][T10958] RAX: ffffffffffffffda RBX: 0000000000000005 RCX: 00007fc28bfd654e
[  651.698141][T10958] RDX: 0000000000000000 RSI: 00007fffeae42d10 RDI: 0000000000000005
[  651.698142][T10958] RBP: 00007fffeae42c70 R08: 0000000000000000 R09: 0000000000000000
[  651.698143][T10958] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a90fdc4
[  651.698144][T10958] R13: 00000000004a1620 R14: 0000000000000000 R15: 00007fffeae433e0
| [  659.757454][T11101] softirqs last disabled at (0): 0x0
| [  659.757457][T11101] Preemption disabled at:
| [  659.757458][T11101] vprintk_emit (kernel/printk/printk.c:2471)
| [  659.757471][T11101] Tainted: [W]=WARN
[  659.757473][T11101] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[  659.757475][T11101] Call Trace:
[  659.757477][T11101]  <TASK>
[  659.757479][T11101]  dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120)
[  659.757486][T11101]  ? vprintk_emit (kernel/printk/printk.c:2471)
[  659.757488][T11101]  __might_resched.cold (kernel/sched/core.c:9234)
[  659.757493][T11101]  ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3))
[  659.757498][T11101]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  659.757502][T11101]  __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))
[  659.757505][T11101]  ? __rwlock_init (kernel/locking/spinlock_debug.c:48)
[  659.757509][T11101]  ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[  659.757515][T11101]  ? 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)
[  659.757518][T11101]  alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[  659.757522][T11101]  put_chars (drivers/char/virtio_console.c:1176)
[  659.757525][T11101]  ? __send_to_port (drivers/char/virtio_console.c:654)
[  659.757527][T11101]  ? printk_get_next_message (kernel/printk/printk.c:3072)
[  659.757531][T11101]  ? console_prepend_replay (kernel/printk/printk.c:3005)
[  659.757534][T11101]  ? pointer (lib/vsprintf.c:2577)
[  659.757544][T11101]  hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2))
[  659.757551][T11101]  ? hvc_write (drivers/tty/hvc/hvc_console.c:501)
[  659.757553][T11101]  ? __rwlock_init (kernel/locking/spinlock_debug.c:48)
[  659.757556][T11101]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  659.757560][T11101]  console_emit_next_record (kernel/printk/printk.c:3183)
[  659.757564][T11101]  ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20)
[  659.757567][T11101]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  659.757569][T11101]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  659.757571][T11101]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  659.757573][T11101]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  659.757576][T11101]  ? console_flush_one_record (kernel/printk/printk.c:3247)
[  659.757579][T11101]  console_flush_one_record (kernel/printk/printk.c:3268)
[  659.757583][T11101]  ? console_emit_next_record (kernel/printk/printk.c:3150)
[  659.757587][T11101]  console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420)
[  659.757590][T11101]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  659.757593][T11101]  ? console_flush_one_record (kernel/printk/printk.c:3316)
[  659.757596][T11101]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  659.757598][T11101]  ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22))
[  659.757600][T11101]  ? 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)
[  659.757603][T11101]  ? __rcu_read_lock (kernel/rcu/tree_plugin.h:391 (discriminator 6))
[  659.757605][T11101]  ? __down_trylock_console_sem (kernel/printk/printk.c:334)
[  659.757608][T11101]  ? vprintk_emit (kernel/printk/printk.c:2478)
[  659.757611][T11101]  vprintk_emit (kernel/printk/printk.c:2479)
[  659.757614][T11101]  ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126))
[  659.757616][T11101]  ? prepare_to_wait_event (kernel/sched/wait.c:318 (discriminator 7))
[  659.757619][T11101]  ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22))
[  659.757623][T11101]  ? _mutex_trylock_nest_lock (kernel/locking/mutex.c:1227 (discriminator 6))
[  659.757627][T11101]  _printk (kernel/printk/printk.c:2504)
[  659.757631][T11101]  ? snapshot_read.cold (user.c:?)
[  659.757634][T11101]  ? synchronize_rcu_normal (kernel/rcu/tree.c:3360)
[  659.757638][T11101]  ? netdev_name (./include/linux/netdevice.h:5709 (discriminator 1))
[  659.757642][T11101]  ? __netdev_printk (net/core/dev.c:13148 (discriminator 2))
[  659.757645][T11101]  ? do_setlink.isra.0 (net/core/rtnetlink.c:3246)
[  659.757654][T11101]  netdev_info (net/core/dev.c:13195 (discriminator 3))
[  659.757657][T11101]  ? netdev_notice (net/core/dev.c:13194)
[  659.757660][T11101]  ? 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)
[  659.757663][T11101]  ? __dev_change_net_namespace (net/core/dev.c:12342 net/core/dev.c:12883)
[  659.757667][T11101]  ? __rwlock_init (kernel/locking/spinlock_debug.c:48)
[  659.757669][T11101]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  659.757671][T11101]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  659.757673][T11101]  ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22))
[  659.757675][T11101]  ? trace_irq_disable.constprop.0 (./include/trace/events/preemptirq.h:36 (discriminator 22))
[  659.757678][T11101]  ? 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)
[  659.757680][T11101]  ? do_setlink.isra.0 (net/core/rtnetlink.c:3246)
[  659.757683][T11101]  netif_change_name.cold (net/core/dev.c:1507 (discriminator 3))
[  659.757686][T11101]  ? register_netdev (net/core/dev.c:11618)
[  659.757688][T11101]  ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22))
[  659.757691][T11101]  ? netdev_adjacent_rename_links (net/core/dev.c:9598)
[  659.757695][T11101]  ? __kernel_text_address (kernel/extable.c:79)
[  659.757698][T11101]  ? write_profile (profile.c:?)
[  659.757702][T11101]  ? __asan_memset (mm/kasan/shadow.c:84 (discriminator 1))
[  659.757707][T11101]  do_setlink.isra.0 (net/core/rtnetlink.c:3246)
[  659.757710][T11101]  ? stack_trace_save (kernel/stacktrace.c:122 (discriminator 1))
[  659.757713][T11101]  ? rtnl_link_get_size (net/core/rtnetlink.c:747)
[  659.757715][T11101]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  659.757717][T11101]  ? stack_depot_save_flags (lib/stackdepot.c:609 lib/stackdepot.c:676)
[  659.757722][T11101]  ? kasan_save_stack (mm/kasan/common.c:58)
[  659.757725][T11101]  ? kasan_save_stack (mm/kasan/common.c:57)
[  659.757727][T11101]  ? kasan_save_track (mm/kasan/common.c:78)
[  659.757728][T11101]  ? __kasan_kmalloc (mm/kasan/common.c:398 mm/kasan/common.c:415)
[  659.757730][T11101]  ? __kmalloc_cache_noprof (./include/linux/kasan.h:263 mm/slub.c:5563)
[  659.757733][T11101]  ? rtnl_newlink (./include/linux/slab.h:991 (discriminator 1) net/core/rtnetlink.c:4113 (discriminator 1))
[  659.757735][T11101]  ? rtnetlink_rcv_msg (net/core/rtnetlink.c:7132)
[  659.757737][T11101]  ? netlink_rcv_skb (net/netlink/af_netlink.c:2556)
[  659.757741][T11101]  ? netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[  659.757743][T11101]  ? netlink_sendmsg (net/netlink/af_netlink.c:1900)
[  659.757745][T11101]  ? __sock_sendmsg (net/socket.c:800 (discriminator 4) net/socket.c:815 (discriminator 4))
[  659.757749][T11101]  ? ____sys_sendmsg (net/socket.c:2713)
[  659.757751][T11101]  ? ___sys_sendmsg (net/socket.c:2767)
[  659.757753][T11101]  ? __sys_sendmsg (net/socket.c:2799)
[  659.757756][T11101]  ? do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84)
[  659.757759][T11101]  ? entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[  659.757763][T11101]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  659.757765][T11101]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  659.757768][T11101]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  659.757769][T11101]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  659.757771][T11101]  ? trace_contention_end (./include/trace/events/lock.h:121 (discriminator 22))
[  659.757774][T11101]  ? __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)
[  659.757776][T11101]  ? __mutex_lock (kernel/locking/mutex.c:656 (discriminator 1) kernel/locking/mutex.c:821 (discriminator 1))
[  659.757778][T11101]  ? rtnl_newlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:366 net/core/rtnetlink.c:4214)
[  659.757781][T11101]  ? ww_mutex_lock (kernel/locking/mutex.c:934)
[  659.757783][T11101]  ? nla_get_range_signed (lib/nlattr.c:270)
[  659.757788][T11101]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  659.757791][T11101]  ? __rtnl_newlink (net/core/rtnetlink.c:4063)
[  659.757794][T11101]  rtnl_newlink (net/core/rtnetlink.c:4215)
[  659.757798][T11101]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  659.757800][T11101]  ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558)
[  659.757802][T11101]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  659.757804][T11101]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  659.757806][T11101]  ? is_bpf_text_address (./include/linux/rcupdate.h:850 kernel/bpf/core.c:749)
[  659.757810][T11101]  ? is_bpf_text_address (./include/linux/rcupdate.h:882 kernel/bpf/core.c:751)
[  659.757812][T11101]  ? kernel_text_address (kernel/extable.c:125 kernel/extable.c:94)
[  659.757815][T11101]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  659.757817][T11101]  ? cap_capable (./include/trace/events/capability.h:26 (discriminator 22) security/commoncap.c:130 (discriminator 22))
[  659.757821][T11101]  ? arch_stack_walk (arch/x86/kernel/stacktrace.c:26)
[  659.757825][T11101]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  659.757827][T11101]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  659.757829][T11101]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  659.757831][T11101]  ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558)
[  659.757834][T11101]  rtnetlink_rcv_msg (net/core/rtnetlink.c:7132)
[  659.757837][T11101]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[  659.757839][T11101]  ? filter_irq_stacks (kernel/stacktrace.c:402)
[  659.757842][T11101]  ? stack_depot_save_flags (lib/stackdepot.c:609 lib/stackdepot.c:676)
[  659.757846][T11101]  netlink_rcv_skb (net/netlink/af_netlink.c:2556)
[  659.757848][T11101]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[  659.757851][T11101]  ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22))
[  659.757854][T11101]  ? netlink_ack (./include/linux/skbuff.h:2718)
[  659.757856][T11101]  ? __netlink_lookup (./include/linux/rcupdate.h:850 ./include/linux/rhashtable.h:709 net/netlink/af_netlink.c:499)
[  659.757861][T11101]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  659.757863][T11101]  ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22))
[  659.757866][T11101]  netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[  659.757870][T11101]  ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[  659.757873][T11101]  ? entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[  659.757876][T11101]  netlink_sendmsg (net/netlink/af_netlink.c:1900)
[  659.757880][T11101]  ? netlink_unicast (./include/net/net_namespace.h:422 (discriminator 7))
[  659.757882][T11101]  ? kernel_text_address (kernel/extable.c:125 kernel/extable.c:94)
[  659.757885][T11101]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  659.757888][T11101]  ? __import_iovec (lib/iov_iter.c:1358 lib/iov_iter.c:1373)
[  659.757892][T11101]  __sock_sendmsg (net/socket.c:800 (discriminator 4) net/socket.c:815 (discriminator 4))
[  659.757896][T11101]  ____sys_sendmsg (net/socket.c:2713)
[  659.757898][T11101]  ? copy_msghdr_from_user (net/socket.c:2650)
[  659.757901][T11101]  ? sock_write_iter (net/socket.c:1269)
[  659.757903][T11101]  ? move_addr_to_kernel (net/socket.c:258)
[  659.757906][T11101]  ? filter_irq_stacks (kernel/stacktrace.c:402)
[  659.757910][T11101]  ___sys_sendmsg (net/socket.c:2767)
[  659.757913][T11101]  ? copy_msghdr_from_user (net/socket.c:2619)
[  659.757922][T11101]  __sys_sendmsg (net/socket.c:2799)
[  659.757925][T11101]  ? __sys_sendmsg_sock (net/socket.c:2780)
[  659.757929][T11101]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  659.757932][T11101]  do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84)
[  659.757935][T11101]  ? exc_page_fault (arch/x86/mm/fault.c:1489 (discriminator 3) arch/x86/mm/fault.c:1536 (discriminator 3))
[  659.757938][T11101]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[  659.757941][T11101] RIP: 0033:0x7f2aa822654e
[  659.757944][T11101] 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
[  659.757947][T11101] RSP: 002b:00007ffdfa48b2d0 EFLAGS: 00000202 ORIG_RAX: 000000000000002e
[  659.757951][T11101] RAX: ffffffffffffffda RBX: 0000000000000005 RCX: 00007f2aa822654e
[  659.757954][T11101] RDX: 0000000000000000 RSI: 00007ffdfa48b380 RDI: 0000000000000005
[  659.757955][T11101] RBP: 00007ffdfa48b2e0 R08: 0000000000000000 R09: 0000000000000000
[  659.757957][T11101] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a90fdcc
[  659.757958][T11101] R13: 00000000004a1620 R14: 0000000000000000 R15: 00007ffdfa48ba50
| [  667.929487][T11244] softirqs last disabled at (0): 0x0
| [  667.929490][T11244] Preemption disabled at:
| [  667.929491][T11244] vprintk_emit (kernel/printk/printk.c:2471)
| [  667.929505][T11244] Tainted: [W]=WARN
[  667.929506][T11244] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[  667.929509][T11244] Call Trace:
[  667.929511][T11244]  <TASK>
[  667.929513][T11244]  dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120)
[  667.929519][T11244]  ? vprintk_emit (kernel/printk/printk.c:2471)
[  667.929522][T11244]  __might_resched.cold (kernel/sched/core.c:9234)
[  667.929527][T11244]  ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3))
[  667.929531][T11244]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  667.929535][T11244]  __kmalloc_noprof (./include/linux/sched/mm.h:322 (discriminator 2) mm/slub.c:4636 (discriminator 2) mm/slub.c:4974 (discriminator 2) mm/slub.c:5413 (discriminator 2) mm/slub.c:5439 (discriminator 2))
[  667.929539][T11244]  ? __rwlock_init (kernel/locking/spinlock_debug.c:48)
[  667.929544][T11244]  ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[  667.929550][T11244]  ? do_raw_spin_unlock (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:32 ./include/asm-generic/qspinlock.h:58 kernel/locking/spinlock_debug.c:101 kernel/locking/spinlock_debug.c:141)
[  667.929553][T11244]  alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[  667.929557][T11244]  put_chars (drivers/char/virtio_console.c:1176)
[  667.929560][T11244]  ? __send_to_port (drivers/char/virtio_console.c:654)
[  667.929562][T11244]  ? printk_get_next_message (kernel/printk/printk.c:3072)
[  667.929566][T11244]  ? console_prepend_replay (kernel/printk/printk.c:3005)
[  667.929569][T11244]  ? pointer (lib/vsprintf.c:2577)
[  667.929574][T11244]  hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2))
[  667.929581][T11244]  ? hvc_write (drivers/tty/hvc/hvc_console.c:501)
[  667.929584][T11244]  ? __rwlock_init (kernel/locking/spinlock_debug.c:48)
[  667.929587][T11244]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  667.929596][T11244]  console_emit_next_record (kernel/printk/printk.c:3183)
[  667.929601][T11244]  ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20)
[  667.929604][T11244]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  667.929606][T11244]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  667.929608][T11244]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  667.929611][T11244]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  667.929614][T11244]  ? console_flush_one_record (kernel/printk/printk.c:3247)
[  667.929617][T11244]  console_flush_one_record (kernel/printk/printk.c:3268)
[  667.929621][T11244]  ? console_emit_next_record (kernel/printk/printk.c:3150)
[  667.929625][T11244]  console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420)
[  667.929629][T11244]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  667.929631][T11244]  ? console_flush_one_record (kernel/printk/printk.c:3316)
[  667.929634][T11244]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  667.929636][T11244]  ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22))
[  667.929638][T11244]  ? lock_acquire (./include/linux/srcutree.h:374 ./include/linux/srcu.h:541 ./include/linux/srcu.h:645 ./include/trace/events/lock.h:23 ./include/trace/events/lock.h:23 kernel/locking/lockdep.c:5871)
[  667.929641][T11244]  ? __rcu_read_lock (kernel/rcu/tree_plugin.h:391 (discriminator 6))
[  667.929644][T11244]  ? __down_trylock_console_sem (kernel/printk/printk.c:334)
[  667.929647][T11244]  ? vprintk_emit (kernel/printk/printk.c:2478)
[  667.929654][T11244]  vprintk_emit (kernel/printk/printk.c:2479)
[  667.929657][T11244]  ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126))
[  667.929659][T11244]  ? prepare_to_wait_event (kernel/sched/wait.c:318 (discriminator 7))
[  667.929662][T11244]  ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22))
[  667.929666][T11244]  ? _mutex_trylock_nest_lock (kernel/locking/mutex.c:1227 (discriminator 6))
[  667.929670][T11244]  _printk (kernel/printk/printk.c:2504)
[  667.929674][T11244]  ? snapshot_read.cold (user.c:?)
[  667.929678][T11244]  ? synchronize_rcu_normal (kernel/rcu/tree.c:3360)
[  667.929681][T11244]  ? netdev_name (./include/linux/netdevice.h:5709 (discriminator 1))
[  667.929686][T11244]  ? __netdev_printk (net/core/dev.c:13148 (discriminator 2))
[  667.929689][T11244]  ? do_setlink.isra.0 (net/core/rtnetlink.c:3246)
[  667.929693][T11244]  netdev_info (net/core/dev.c:13195 (discriminator 3))
[  667.929697][T11244]  ? netdev_notice (net/core/dev.c:13194)
[  667.929700][T11244]  ? 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)
[  667.929703][T11244]  ? __dev_change_net_namespace (net/core/dev.c:12342 net/core/dev.c:12883)
[  667.929706][T11244]  ? __rwlock_init (kernel/locking/spinlock_debug.c:48)
[  667.929709][T11244]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  667.929711][T11244]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  667.929713][T11244]  ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22))
[  667.929715][T11244]  ? trace_irq_disable.constprop.0 (./include/trace/events/preemptirq.h:36 (discriminator 22))
[  667.929718][T11244]  ? 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)
[  667.929720][T11244]  ? do_setlink.isra.0 (net/core/rtnetlink.c:3246)
[  667.929723][T11244]  netif_change_name.cold (net/core/dev.c:1507 (discriminator 3))
[  667.929726][T11244]  ? register_netdev (net/core/dev.c:11618)
[  667.929728][T11244]  ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22))
[  667.929732][T11244]  ? netdev_adjacent_rename_links (net/core/dev.c:9598)
[  667.929736][T11244]  ? __kernel_text_address (kernel/extable.c:79)
[  667.929739][T11244]  ? write_profile (profile.c:?)
[  667.929743][T11244]  ? __asan_memset (mm/kasan/shadow.c:84 (discriminator 1))
[  667.929748][T11244]  do_setlink.isra.0 (net/core/rtnetlink.c:3246)
[  667.929751][T11244]  ? stack_trace_save (kernel/stacktrace.c:122 (discriminator 1))
[  667.929754][T11244]  ? rtnl_link_get_size (net/core/rtnetlink.c:747)
[  667.929756][T11244]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  667.929758][T11244]  ? stack_depot_save_flags (lib/stackdepot.c:609 lib/stackdepot.c:676)
[  667.929763][T11244]  ? kasan_save_stack (mm/kasan/common.c:58)
[  667.929766][T11244]  ? kasan_save_stack (mm/kasan/common.c:57)
[  667.929768][T11244]  ? kasan_save_track (mm/kasan/common.c:78)
[  667.929770][T11244]  ? __kasan_kmalloc (mm/kasan/common.c:398 mm/kasan/common.c:415)
[  667.929772][T11244]  ? __kmalloc_cache_noprof (./include/linux/kasan.h:263 mm/slub.c:5563)
[  667.929774][T11244]  ? rtnl_newlink (./include/linux/slab.h:991 (discriminator 1) net/core/rtnetlink.c:4113 (discriminator 1))
[  667.929776][T11244]  ? rtnetlink_rcv_msg (net/core/rtnetlink.c:7132)
[  667.929778][T11244]  ? netlink_rcv_skb (net/netlink/af_netlink.c:2556)
[  667.929782][T11244]  ? netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[  667.929785][T11244]  ? netlink_sendmsg (net/netlink/af_netlink.c:1900)
[  667.929787][T11244]  ? __sock_sendmsg (net/socket.c:800 (discriminator 4) net/socket.c:815 (discriminator 4))
[  667.929791][T11244]  ? ____sys_sendmsg (net/socket.c:2713)
[  667.929793][T11244]  ? ___sys_sendmsg (net/socket.c:2767)
[  667.929795][T11244]  ? __sys_sendmsg (net/socket.c:2799)
[  667.929798][T11244]  ? do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84)
[  667.929801][T11244]  ? entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[  667.929806][T11244]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  667.929808][T11244]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  667.929811][T11244]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  667.929813][T11244]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  667.929815][T11244]  ? trace_contention_end (./include/trace/events/lock.h:121 (discriminator 22))
[  667.929818][T11244]  ? __mutex_lock (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:3188 kernel/locking/mutex.c:89 kernel/locking/mutex.c:134 kernel/locking/mutex.c:649 kernel/locking/mutex.c:821)
[  667.929820][T11244]  ? __mutex_lock (kernel/locking/mutex.c:656 (discriminator 1) kernel/locking/mutex.c:821 (discriminator 1))
[  667.929822][T11244]  ? rtnl_newlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:366 net/core/rtnetlink.c:4214)
[  667.929825][T11244]  ? ww_mutex_lock (kernel/locking/mutex.c:934)
[  667.929827][T11244]  ? nla_get_range_signed (lib/nlattr.c:270)
[  667.929832][T11244]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  667.929834][T11244]  ? __rtnl_newlink (net/core/rtnetlink.c:4063)
[  667.929838][T11244]  rtnl_newlink (net/core/rtnetlink.c:4215)
[  667.929842][T11244]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  667.929844][T11244]  ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558)
[  667.929846][T11244]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  667.929849][T11244]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  667.929851][T11244]  ? is_bpf_text_address (./include/linux/rcupdate.h:850 kernel/bpf/core.c:749)
[  667.929854][T11244]  ? is_bpf_text_address (./include/linux/rcupdate.h:882 kernel/bpf/core.c:751)
[  667.929857][T11244]  ? kernel_text_address (kernel/extable.c:125 kernel/extable.c:94)
[  667.929860][T11244]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  667.929862][T11244]  ? cap_capable (./include/trace/events/capability.h:26 (discriminator 22) security/commoncap.c:130 (discriminator 22))
[  667.929866][T11244]  ? arch_stack_walk (arch/x86/kernel/stacktrace.c:26)
[  667.929869][T11244]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  667.929872][T11244]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  667.929874][T11244]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  667.929877][T11244]  ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558)
[  667.929879][T11244]  rtnetlink_rcv_msg (net/core/rtnetlink.c:7132)
[  667.929882][T11244]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[  667.929885][T11244]  ? filter_irq_stacks (kernel/stacktrace.c:402)
[  667.929887][T11244]  ? stack_depot_save_flags (lib/stackdepot.c:609 lib/stackdepot.c:676)
[  667.929892][T11244]  netlink_rcv_skb (net/netlink/af_netlink.c:2556)
[  667.929895][T11244]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[  667.929897][T11244]  ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22))
[  667.929900][T11244]  ? netlink_ack (./include/linux/skbuff.h:2718)
[  667.929902][T11244]  ? __netlink_lookup (./include/linux/rcupdate.h:850 ./include/linux/rhashtable.h:709 net/netlink/af_netlink.c:499)
[  667.929907][T11244]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  667.929910][T11244]  ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22))
[  667.929913][T11244]  netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[  667.929917][T11244]  ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[  667.929920][T11244]  ? entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[  667.929923][T11244]  netlink_sendmsg (net/netlink/af_netlink.c:1900)
[  667.929927][T11244]  ? netlink_unicast (./include/net/net_namespace.h:422 (discriminator 7))
[  667.929929][T11244]  ? kernel_text_address (kernel/extable.c:125 kernel/extable.c:94)
[  667.929933][T11244]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  667.929935][T11244]  ? __import_iovec (lib/iov_iter.c:1358 lib/iov_iter.c:1373)
[  667.929940][T11244]  __sock_sendmsg (net/socket.c:800 (discriminator 4) net/socket.c:815 (discriminator 4))
[  667.929943][T11244]  ____sys_sendmsg (net/socket.c:2713)
[  667.929946][T11244]  ? copy_msghdr_from_user (net/socket.c:2650)
[  667.929949][T11244]  ? sock_write_iter (net/socket.c:1269)
[  667.929951][T11244]  ? move_addr_to_kernel (net/socket.c:258)
[  667.929954][T11244]  ? filter_irq_stacks (kernel/stacktrace.c:402)
[  667.929959][T11244]  ___sys_sendmsg (net/socket.c:2767)
[  667.929962][T11244]  ? copy_msghdr_from_user (net/socket.c:2619)
[  667.929971][T11244]  __sys_sendmsg (net/socket.c:2799)
[  667.929974][T11244]  ? __sys_sendmsg_sock (net/socket.c:2780)
[  667.929979][T11244]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  667.929982][T11244]  do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84)
[  667.929985][T11244]  ? exc_page_fault (arch/x86/mm/fault.c:1489 (discriminator 3) arch/x86/mm/fault.c:1536 (discriminator 3))
[  667.929988][T11244]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[  667.929991][T11244] RIP: 0033:0x7f581f90f54e
[  667.929994][T11244] Code: 4d 89 d8 e8 b4 bd 00 00 4c 8b 5d f8 41 8b 93 08 03 00 00 59 5e 48 83 f8 fc 74 11 c9 c3 0f 1f 80 00 00 00 00 48 8b 45 10 0f 05 <c9> c3 83 e2 39 83 fa 08 75 e7 e8 03 ff ff ff 0f 1f 00 f3 0f 1e fa
All code
========
   0:	4d 89 d8             	mov    %r11,%r8
   3:	e8 b4 bd 00 00       	call   0xbdbc
   8:	4c 8b 5d f8          	mov    -0x8(%rbp),%r11
   c:	41 8b 93 08 03 00 00 	mov    0x308(%r11),%edx
  13:	59                   	pop    %rcx
  14:	5e                   	pop    %rsi
  15:	48 83 f8 fc          	cmp    $0xfffffffffffffffc,%rax
  19:	74 11                	je     0x2c
  1b:	c9                   	leave
  1c:	c3                   	ret
  1d:	0f 1f 80 00 00 00 00 	nopl   0x0(%rax)
  24:	48 8b 45 10          	mov    0x10(%rbp),%rax
  28:	0f 05                	syscall
  2a:*	c9                   	leave		<-- trapping instruction
  2b:	c3                   	ret
  2c:	83 e2 39             	and    $0x39,%edx
  2f:	83 fa 08             	cmp    $0x8,%edx
  32:	75 e7                	jne    0x1b
  34:	e8 03 ff ff ff       	call   0xffffffffffffff3c
  39:	0f 1f 00             	nopl   (%rax)
  3c:	f3 0f 1e fa          	endbr64

Code starting with the faulting instruction
===========================================
   0:	c9                   	leave
   1:	c3                   	ret
   2:	83 e2 39             	and    $0x39,%edx
   5:	83 fa 08             	cmp    $0x8,%edx
   8:	75 e7                	jne    0xfffffffffffffff1
   a:	e8 03 ff ff ff       	call   0xffffffffffffff12
   f:	0f 1f 00             	nopl   (%rax)
  12:	f3 0f 1e fa          	endbr64
[  667.929997][T11244] RSP: 002b:00007ffde15956b0 EFLAGS: 00000202 ORIG_RAX: 000000000000002e
[  667.930002][T11244] RAX: ffffffffffffffda RBX: 0000000000000005 RCX: 00007f581f90f54e
[  667.930004][T11244] RDX: 0000000000000000 RSI: 00007ffde1595760 RDI: 0000000000000005
[  667.930006][T11244] RBP: 00007ffde15956c0 R08: 0000000000000000 R09: 0000000000000000
[  667.930008][T11244] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a90fdd4
[  667.930009][T11244] R13: 00000000004a1620 R14: 0000000000000000 R15: 00007ffde1595e30
| [  676.091966][T11387] softirqs last disabled at (0): 0x0
| [  676.091967][T11387] Preemption disabled at:
| [  676.091968][T11387] vprintk_emit (kernel/printk/printk.c:2471)
| [  676.091980][T11387] Tainted: [W]=WARN
[  676.091981][T11387] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[  676.091983][T11387] Call Trace:
[  676.091984][T11387]  <TASK>
[  676.091986][T11387]  dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120)
[  676.091991][T11387]  ? vprintk_emit (kernel/printk/printk.c:2471)
[  676.091993][T11387]  __might_resched.cold (kernel/sched/core.c:9234)
[  676.091997][T11387]  ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3))
[  676.092000][T11387]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  676.092003][T11387]  __kmalloc_noprof (./include/linux/sched/mm.h:322 (discriminator 2) mm/slub.c:4636 (discriminator 2) mm/slub.c:4974 (discriminator 2) mm/slub.c:5413 (discriminator 2) mm/slub.c:5439 (discriminator 2))
[  676.092006][T11387]  ? __rwlock_init (kernel/locking/spinlock_debug.c:48)
[  676.092009][T11387]  ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[  676.092014][T11387]  ? do_raw_spin_unlock (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:32 ./include/asm-generic/qspinlock.h:58 kernel/locking/spinlock_debug.c:101 kernel/locking/spinlock_debug.c:141)
[  676.092016][T11387]  alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[  676.092019][T11387]  put_chars (drivers/char/virtio_console.c:1176)
[  676.092021][T11387]  ? __send_to_port (drivers/char/virtio_console.c:654)
[  676.092022][T11387]  ? printk_get_next_message (kernel/printk/printk.c:3072)
[  676.092024][T11387]  ? console_prepend_replay (kernel/printk/printk.c:3005)
[  676.092027][T11387]  ? pointer (lib/vsprintf.c:2577)
[  676.092030][T11387]  hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2))
[  676.092035][T11387]  ? hvc_write (drivers/tty/hvc/hvc_console.c:501)
[  676.092037][T11387]  ? __rwlock_init (kernel/locking/spinlock_debug.c:48)
[  676.092039][T11387]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  676.092041][T11387]  console_emit_next_record (kernel/printk/printk.c:3183)
[  676.092044][T11387]  ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20)
[  676.092046][T11387]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  676.092048][T11387]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  676.092049][T11387]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  676.092050][T11387]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  676.092052][T11387]  ? console_flush_one_record (kernel/printk/printk.c:3247)
[  676.092053][T11387]  console_flush_one_record (kernel/printk/printk.c:3268)
[  676.092056][T11387]  ? console_emit_next_record (kernel/printk/printk.c:3150)
[  676.092059][T11387]  console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420)
[  676.092061][T11387]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  676.092062][T11387]  ? console_flush_one_record (kernel/printk/printk.c:3316)
[  676.092064][T11387]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  676.092065][T11387]  ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22))
[  676.092067][T11387]  ? lock_acquire (./include/linux/srcutree.h:374 ./include/linux/srcu.h:541 ./include/linux/srcu.h:645 ./include/trace/events/lock.h:23 ./include/trace/events/lock.h:23 kernel/locking/lockdep.c:5871)
[  676.092068][T11387]  ? __rcu_read_lock (kernel/rcu/tree_plugin.h:391 (discriminator 6))
[  676.092070][T11387]  ? __down_trylock_console_sem (kernel/printk/printk.c:334)
[  676.092072][T11387]  ? vprintk_emit (kernel/printk/printk.c:2478)
[  676.092074][T11387]  vprintk_emit (kernel/printk/printk.c:2479)
[  676.092075][T11387]  ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126))
[  676.092077][T11387]  ? prepare_to_wait_event (kernel/sched/wait.c:318 (discriminator 7))
[  676.092079][T11387]  ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22))
[  676.092082][T11387]  ? _mutex_trylock_nest_lock (kernel/locking/mutex.c:1227 (discriminator 6))
[  676.092085][T11387]  _printk (kernel/printk/printk.c:2504)
[  676.092088][T11387]  ? snapshot_read.cold (user.c:?)
[  676.092090][T11387]  ? synchronize_rcu_normal (kernel/rcu/tree.c:3360)
[  676.092092][T11387]  ? netdev_name (./include/linux/netdevice.h:5709 (discriminator 1))
[  676.092095][T11387]  ? __netdev_printk (net/core/dev.c:13148 (discriminator 2))
[  676.092097][T11387]  ? do_setlink.isra.0 (net/core/rtnetlink.c:3246)
[  676.092101][T11387]  netdev_info (net/core/dev.c:13195 (discriminator 3))
[  676.092103][T11387]  ? netdev_notice (net/core/dev.c:13194)
[  676.092105][T11387]  ? 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)
[  676.092107][T11387]  ? __dev_change_net_namespace (net/core/dev.c:12342 net/core/dev.c:12883)
[  676.092110][T11387]  ? __rwlock_init (kernel/locking/spinlock_debug.c:48)
[  676.092111][T11387]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  676.092112][T11387]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  676.092113][T11387]  ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22))
[  676.092115][T11387]  ? trace_irq_disable.constprop.0 (./include/trace/events/preemptirq.h:36 (discriminator 22))
[  676.092116][T11387]  ? 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)
[  676.092118][T11387]  ? do_setlink.isra.0 (net/core/rtnetlink.c:3246)
[  676.092119][T11387]  netif_change_name.cold (net/core/dev.c:1507 (discriminator 3))
[  676.092121][T11387]  ? register_netdev (net/core/dev.c:11618)
[  676.092122][T11387]  ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22))
[  676.092124][T11387]  ? netdev_adjacent_rename_links (net/core/dev.c:9598)
[  676.092127][T11387]  ? __kernel_text_address (kernel/extable.c:79)
[  676.092129][T11387]  ? write_profile (profile.c:?)
[  676.092132][T11387]  ? __asan_memset (mm/kasan/shadow.c:84 (discriminator 1))
[  676.092136][T11387]  do_setlink.isra.0 (net/core/rtnetlink.c:3246)
[  676.092138][T11387]  ? stack_trace_save (kernel/stacktrace.c:122 (discriminator 1))
[  676.092140][T11387]  ? rtnl_link_get_size (net/core/rtnetlink.c:747)
[  676.092141][T11387]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  676.092142][T11387]  ? stack_depot_save_flags (lib/stackdepot.c:609 lib/stackdepot.c:676)
[  676.092145][T11387]  ? kasan_save_stack (mm/kasan/common.c:58)
[  676.092147][T11387]  ? kasan_save_stack (mm/kasan/common.c:57)
[  676.092148][T11387]  ? kasan_save_track (mm/kasan/common.c:78)
[  676.092149][T11387]  ? __kasan_kmalloc (mm/kasan/common.c:398 mm/kasan/common.c:415)
[  676.092150][T11387]  ? __kmalloc_cache_noprof (./include/linux/kasan.h:263 mm/slub.c:5563)
[  676.092152][T11387]  ? rtnl_newlink (./include/linux/slab.h:991 (discriminator 1) net/core/rtnetlink.c:4113 (discriminator 1))
[  676.092153][T11387]  ? rtnetlink_rcv_msg (net/core/rtnetlink.c:7132)
[  676.092154][T11387]  ? netlink_rcv_skb (net/netlink/af_netlink.c:2556)
[  676.092157][T11387]  ? netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[  676.092158][T11387]  ? netlink_sendmsg (net/netlink/af_netlink.c:1900)
[  676.092160][T11387]  ? __sock_sendmsg (net/socket.c:800 (discriminator 4) net/socket.c:815 (discriminator 4))
[  676.092162][T11387]  ? ____sys_sendmsg (net/socket.c:2713)
[  676.092164][T11387]  ? ___sys_sendmsg (net/socket.c:2767)
[  676.092165][T11387]  ? __sys_sendmsg (net/socket.c:2799)
[  676.092167][T11387]  ? do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84)
[  676.092170][T11387]  ? entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[  676.092172][T11387]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  676.092173][T11387]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  676.092175][T11387]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  676.092176][T11387]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  676.092177][T11387]  ? trace_contention_end (./include/trace/events/lock.h:121 (discriminator 22))
[  676.092178][T11387]  ? __mutex_lock (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:3188 kernel/locking/mutex.c:89 kernel/locking/mutex.c:134 kernel/locking/mutex.c:649 kernel/locking/mutex.c:821)
[  676.092180][T11387]  ? __mutex_lock (kernel/locking/mutex.c:656 (discriminator 1) kernel/locking/mutex.c:821 (discriminator 1))
[  676.092181][T11387]  ? rtnl_newlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:366 net/core/rtnetlink.c:4214)
[  676.092183][T11387]  ? ww_mutex_lock (kernel/locking/mutex.c:934)
[  676.092184][T11387]  ? nla_get_range_signed (lib/nlattr.c:270)
[  676.092187][T11387]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  676.092189][T11387]  ? __rtnl_newlink (net/core/rtnetlink.c:4063)
[  676.092191][T11387]  rtnl_newlink (net/core/rtnetlink.c:4215)
[  676.092193][T11387]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  676.092194][T11387]  ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558)
[  676.092195][T11387]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  676.092197][T11387]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  676.092199][T11387]  ? is_bpf_text_address (./include/linux/rcupdate.h:850 kernel/bpf/core.c:749)
[  676.092201][T11387]  ? is_bpf_text_address (./include/linux/rcupdate.h:882 kernel/bpf/core.c:751)
[  676.092202][T11387]  ? kernel_text_address (kernel/extable.c:125 kernel/extable.c:94)
[  676.092204][T11387]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  676.092205][T11387]  ? cap_capable (./include/trace/events/capability.h:26 (discriminator 22) security/commoncap.c:130 (discriminator 22))
[  676.092208][T11387]  ? arch_stack_walk (arch/x86/kernel/stacktrace.c:26)
[  676.092210][T11387]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  676.092211][T11387]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  676.092213][T11387]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  676.092214][T11387]  ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558)
[  676.092216][T11387]  rtnetlink_rcv_msg (net/core/rtnetlink.c:7132)
[  676.092217][T11387]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[  676.092219][T11387]  ? filter_irq_stacks (kernel/stacktrace.c:402)
[  676.092220][T11387]  ? stack_depot_save_flags (lib/stackdepot.c:609 lib/stackdepot.c:676)
[  676.092223][T11387]  netlink_rcv_skb (net/netlink/af_netlink.c:2556)
[  676.092225][T11387]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[  676.092226][T11387]  ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22))
[  676.092228][T11387]  ? netlink_ack (./include/linux/skbuff.h:2718)
[  676.092229][T11387]  ? __netlink_lookup (./include/linux/rcupdate.h:850 ./include/linux/rhashtable.h:709 net/netlink/af_netlink.c:499)
[  676.092232][T11387]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  676.092234][T11387]  ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22))
[  676.092236][T11387]  netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[  676.092238][T11387]  ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[  676.092240][T11387]  ? entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[  676.092242][T11387]  netlink_sendmsg (net/netlink/af_netlink.c:1900)
[  676.092244][T11387]  ? netlink_unicast (./include/net/net_namespace.h:422 (discriminator 7))
[  676.092246][T11387]  ? kernel_text_address (kernel/extable.c:125 kernel/extable.c:94)
[  676.092248][T11387]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  676.092249][T11387]  ? __import_iovec (lib/iov_iter.c:1358 lib/iov_iter.c:1373)
[  676.092253][T11387]  __sock_sendmsg (net/socket.c:800 (discriminator 4) net/socket.c:815 (discriminator 4))
[  676.092255][T11387]  ____sys_sendmsg (net/socket.c:2713)
[  676.092256][T11387]  ? copy_msghdr_from_user (net/socket.c:2650)
[  676.092258][T11387]  ? sock_write_iter (net/socket.c:1269)
[  676.092260][T11387]  ? move_addr_to_kernel (net/socket.c:258)
[  676.092261][T11387]  ? filter_irq_stacks (kernel/stacktrace.c:402)
[  676.092264][T11387]  ___sys_sendmsg (net/socket.c:2767)
[  676.092266][T11387]  ? copy_msghdr_from_user (net/socket.c:2619)
[  676.092271][T11387]  __sys_sendmsg (net/socket.c:2799)
[  676.092273][T11387]  ? __sys_sendmsg_sock (net/socket.c:2780)
[  676.092276][T11387]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  676.092277][T11387]  do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84)
[  676.092279][T11387]  ? exc_page_fault (arch/x86/mm/fault.c:1489 (discriminator 3) arch/x86/mm/fault.c:1536 (discriminator 3))
[  676.092282][T11387]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[  676.092283][T11387] RIP: 0033:0x7fd35cc7e54e
[  676.092286][T11387] Code: 4d 89 d8 e8 b4 bd 00 00 4c 8b 5d f8 41 8b 93 08 03 00 00 59 5e 48 83 f8 fc 74 11 c9 c3 0f 1f 80 00 00 00 00 48 8b 45 10 0f 05 <c9> c3 83 e2 39 83 fa 08 75 e7 e8 03 ff ff ff 0f 1f 00 f3 0f 1e fa
All code
========
   0:	4d 89 d8             	mov    %r11,%r8
   3:	e8 b4 bd 00 00       	call   0xbdbc
   8:	4c 8b 5d f8          	mov    -0x8(%rbp),%r11
   c:	41 8b 93 08 03 00 00 	mov    0x308(%r11),%edx
  13:	59                   	pop    %rcx
  14:	5e                   	pop    %rsi
  15:	48 83 f8 fc          	cmp    $0xfffffffffffffffc,%rax
  19:	74 11                	je     0x2c
  1b:	c9                   	leave
  1c:	c3                   	ret
  1d:	0f 1f 80 00 00 00 00 	nopl   0x0(%rax)
  24:	48 8b 45 10          	mov    0x10(%rbp),%rax
  28:	0f 05                	syscall
  2a:*	c9                   	leave		<-- trapping instruction
  2b:	c3                   	ret
  2c:	83 e2 39             	and    $0x39,%edx
  2f:	83 fa 08             	cmp    $0x8,%edx
  32:	75 e7                	jne    0x1b
  34:	e8 03 ff ff ff       	call   0xffffffffffffff3c
  39:	0f 1f 00             	nopl   (%rax)
  3c:	f3 0f 1e fa          	endbr64

Code starting with the faulting instruction
===========================================
   0:	c9                   	leave
   1:	c3                   	ret
   2:	83 e2 39             	and    $0x39,%edx
   5:	83 fa 08             	cmp    $0x8,%edx
   8:	75 e7                	jne    0xfffffffffffffff1
   a:	e8 03 ff ff ff       	call   0xffffffffffffff12
   f:	0f 1f 00             	nopl   (%rax)
  12:	f3 0f 1e fa          	endbr64
[  676.092288][T11387] RSP: 002b:00007ffe37bae490 EFLAGS: 00000202 ORIG_RAX: 000000000000002e
[  676.092292][T11387] RAX: ffffffffffffffda RBX: 0000000000000005 RCX: 00007fd35cc7e54e
[  676.092293][T11387] RDX: 0000000000000000 RSI: 00007ffe37bae540 RDI: 0000000000000005
[  676.092294][T11387] RBP: 00007ffe37bae4a0 R08: 0000000000000000 R09: 0000000000000000
[  676.092295][T11387] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a90fddc
[  676.092296][T11387] R13: 00000000004a1620 R14: 0000000000000000 R15: 00007ffe37baec10
| [  684.381608][T11530] softirqs last disabled at (0): 0x0
| [  684.381610][T11530] Preemption disabled at:
| [  684.381610][T11530] vprintk_emit (kernel/printk/printk.c:2471)
| [  684.381621][T11530] Tainted: [W]=WARN
[  684.381622][T11530] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[  684.381624][T11530] Call Trace:
[  684.381626][T11530]  <TASK>
[  684.381627][T11530]  dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120)
[  684.381633][T11530]  ? vprintk_emit (kernel/printk/printk.c:2471)
[  684.381634][T11530]  __might_resched.cold (kernel/sched/core.c:9234)
[  684.381638][T11530]  ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3))
[  684.381642][T11530]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  684.381644][T11530]  __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))
[  684.381647][T11530]  ? __rwlock_init (kernel/locking/spinlock_debug.c:48)
[  684.381654][T11530]  ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[  684.381659][T11530]  ? 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)
[  684.381661][T11530]  alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[  684.381664][T11530]  put_chars (drivers/char/virtio_console.c:1176)
[  684.381665][T11530]  ? __send_to_port (drivers/char/virtio_console.c:654)
[  684.381666][T11530]  ? printk_get_next_message (kernel/printk/printk.c:3072)
[  684.381669][T11530]  ? console_prepend_replay (kernel/printk/printk.c:3005)
[  684.381671][T11530]  ? pointer (lib/vsprintf.c:2577)
[  684.381674][T11530]  hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2))
[  684.381679][T11530]  ? hvc_write (drivers/tty/hvc/hvc_console.c:501)
[  684.381681][T11530]  ? __rwlock_init (kernel/locking/spinlock_debug.c:48)
[  684.381683][T11530]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  684.381685][T11530]  console_emit_next_record (kernel/printk/printk.c:3183)
[  684.381688][T11530]  ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20)
[  684.381690][T11530]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  684.381691][T11530]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  684.381692][T11530]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  684.381693][T11530]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  684.381702][T11530]  ? console_flush_one_record (kernel/printk/printk.c:3247)
[  684.381705][T11530]  console_flush_one_record (kernel/printk/printk.c:3268)
[  684.381708][T11530]  ? console_emit_next_record (kernel/printk/printk.c:3150)
[  684.381711][T11530]  console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420)
[  684.381712][T11530]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  684.381714][T11530]  ? console_flush_one_record (kernel/printk/printk.c:3316)
[  684.381716][T11530]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  684.381717][T11530]  ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22))
[  684.381719][T11530]  ? 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)
[  684.381720][T11530]  ? __rcu_read_lock (kernel/rcu/tree_plugin.h:391 (discriminator 6))
[  684.381722][T11530]  ? __down_trylock_console_sem (kernel/printk/printk.c:334)
[  684.381724][T11530]  ? vprintk_emit (kernel/printk/printk.c:2478)
[  684.381725][T11530]  vprintk_emit (kernel/printk/printk.c:2479)
[  684.381727][T11530]  ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126))
[  684.381728][T11530]  ? prepare_to_wait_event (kernel/sched/wait.c:318 (discriminator 7))
[  684.381731][T11530]  ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22))
[  684.381734][T11530]  ? _mutex_trylock_nest_lock (kernel/locking/mutex.c:1227 (discriminator 6))
[  684.381737][T11530]  _printk (kernel/printk/printk.c:2504)
[  684.381740][T11530]  ? snapshot_read.cold (user.c:?)
[  684.381742][T11530]  ? synchronize_rcu_normal (kernel/rcu/tree.c:3360)
[  684.381744][T11530]  ? netdev_name (./include/linux/netdevice.h:5709 (discriminator 1))
[  684.381747][T11530]  ? __netdev_printk (net/core/dev.c:13148 (discriminator 2))
[  684.381749][T11530]  ? do_setlink.isra.0 (net/core/rtnetlink.c:3246)
[  684.381752][T11530]  netdev_info (net/core/dev.c:13195 (discriminator 3))
[  684.381754][T11530]  ? netdev_notice (net/core/dev.c:13194)
[  684.381756][T11530]  ? 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)
[  684.381758][T11530]  ? __dev_change_net_namespace (net/core/dev.c:12342 net/core/dev.c:12883)
[  684.381761][T11530]  ? __rwlock_init (kernel/locking/spinlock_debug.c:48)
[  684.381762][T11530]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  684.381763][T11530]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  684.381764][T11530]  ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22))
[  684.381766][T11530]  ? trace_irq_disable.constprop.0 (./include/trace/events/preemptirq.h:36 (discriminator 22))
[  684.381767][T11530]  ? 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)
[  684.381769][T11530]  ? do_setlink.isra.0 (net/core/rtnetlink.c:3246)
[  684.381770][T11530]  netif_change_name.cold (net/core/dev.c:1507 (discriminator 3))
[  684.381772][T11530]  ? register_netdev (net/core/dev.c:11618)
[  684.381773][T11530]  ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22))
[  684.381775][T11530]  ? netdev_adjacent_rename_links (net/core/dev.c:9598)
[  684.381778][T11530]  ? __kernel_text_address (kernel/extable.c:79)
[  684.381780][T11530]  ? write_profile (profile.c:?)
[  684.381783][T11530]  ? __asan_memset (mm/kasan/shadow.c:84 (discriminator 1))
[  684.381787][T11530]  do_setlink.isra.0 (net/core/rtnetlink.c:3246)
[  684.381789][T11530]  ? stack_trace_save (kernel/stacktrace.c:122 (discriminator 1))
[  684.381790][T11530]  ? rtnl_link_get_size (net/core/rtnetlink.c:747)
[  684.381792][T11530]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  684.381793][T11530]  ? stack_depot_save_flags (lib/stackdepot.c:609 lib/stackdepot.c:676)
[  684.381796][T11530]  ? kasan_save_stack (mm/kasan/common.c:58)
[  684.381798][T11530]  ? kasan_save_stack (mm/kasan/common.c:57)
[  684.381799][T11530]  ? kasan_save_track (mm/kasan/common.c:78)
[  684.381800][T11530]  ? __kasan_kmalloc (mm/kasan/common.c:398 mm/kasan/common.c:415)
[  684.381801][T11530]  ? __kmalloc_cache_noprof (./include/linux/kasan.h:263 mm/slub.c:5563)
[  684.381802][T11530]  ? rtnl_newlink (./include/linux/slab.h:991 (discriminator 1) net/core/rtnetlink.c:4113 (discriminator 1))
[  684.381803][T11530]  ? rtnetlink_rcv_msg (net/core/rtnetlink.c:7132)
[  684.381805][T11530]  ? netlink_rcv_skb (net/netlink/af_netlink.c:2556)
[  684.381807][T11530]  ? netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[  684.381809][T11530]  ? netlink_sendmsg (net/netlink/af_netlink.c:1900)
[  684.381811][T11530]  ? __sock_sendmsg (net/socket.c:800 (discriminator 4) net/socket.c:815 (discriminator 4))
[  684.381813][T11530]  ? ____sys_sendmsg (net/socket.c:2713)
[  684.381814][T11530]  ? ___sys_sendmsg (net/socket.c:2767)
[  684.381816][T11530]  ? __sys_sendmsg (net/socket.c:2799)
[  684.381818][T11530]  ? do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84)
[  684.381820][T11530]  ? entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[  684.381823][T11530]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  684.381824][T11530]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  684.381825][T11530]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  684.381827][T11530]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  684.381828][T11530]  ? trace_contention_end (./include/trace/events/lock.h:121 (discriminator 22))
[  684.381829][T11530]  ? __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)
[  684.381830][T11530]  ? __mutex_lock (kernel/locking/mutex.c:656 (discriminator 1) kernel/locking/mutex.c:821 (discriminator 1))
[  684.381831][T11530]  ? rtnl_newlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:366 net/core/rtnetlink.c:4214)
[  684.381833][T11530]  ? ww_mutex_lock (kernel/locking/mutex.c:934)
[  684.381834][T11530]  ? nla_get_range_signed (lib/nlattr.c:270)
[  684.381837][T11530]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  684.381839][T11530]  ? __rtnl_newlink (net/core/rtnetlink.c:4063)
[  684.381841][T11530]  rtnl_newlink (net/core/rtnetlink.c:4215)
[  684.381843][T11530]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  684.381844][T11530]  ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558)
[  684.381845][T11530]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  684.381847][T11530]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  684.381848][T11530]  ? is_bpf_text_address (./include/linux/rcupdate.h:850 kernel/bpf/core.c:749)
[  684.381850][T11530]  ? is_bpf_text_address (./include/linux/rcupdate.h:882 kernel/bpf/core.c:751)
[  684.381852][T11530]  ? kernel_text_address (kernel/extable.c:125 kernel/extable.c:94)
[  684.381853][T11530]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  684.381854][T11530]  ? cap_capable (./include/trace/events/capability.h:26 (discriminator 22) security/commoncap.c:130 (discriminator 22))
[  684.381858][T11530]  ? arch_stack_walk (arch/x86/kernel/stacktrace.c:26)
[  684.381860][T11530]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  684.381861][T11530]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  684.381862][T11530]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  684.381864][T11530]  ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558)
[  684.381865][T11530]  rtnetlink_rcv_msg (net/core/rtnetlink.c:7132)
[  684.381867][T11530]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[  684.381868][T11530]  ? filter_irq_stacks (kernel/stacktrace.c:402)
[  684.381870][T11530]  ? stack_depot_save_flags (lib/stackdepot.c:609 lib/stackdepot.c:676)
[  684.381872][T11530]  netlink_rcv_skb (net/netlink/af_netlink.c:2556)
[  684.381874][T11530]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[  684.381875][T11530]  ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22))
[  684.381877][T11530]  ? netlink_ack (./include/linux/skbuff.h:2718)
[  684.381878][T11530]  ? __netlink_lookup (./include/linux/rcupdate.h:850 ./include/linux/rhashtable.h:709 net/netlink/af_netlink.c:499)
[  684.381882][T11530]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  684.381883][T11530]  ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22))
[  684.381885][T11530]  netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[  684.381887][T11530]  ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[  684.381889][T11530]  ? entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[  684.381891][T11530]  netlink_sendmsg (net/netlink/af_netlink.c:1900)
[  684.381893][T11530]  ? netlink_unicast (./include/net/net_namespace.h:422 (discriminator 7))
[  684.381895][T11530]  ? kernel_text_address (kernel/extable.c:125 kernel/extable.c:94)
[  684.381896][T11530]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  684.381898][T11530]  ? __import_iovec (lib/iov_iter.c:1358 lib/iov_iter.c:1373)
[  684.381901][T11530]  __sock_sendmsg (net/socket.c:800 (discriminator 4) net/socket.c:815 (discriminator 4))
[  684.381903][T11530]  ____sys_sendmsg (net/socket.c:2713)
[  684.381905][T11530]  ? copy_msghdr_from_user (net/socket.c:2650)
[  684.381907][T11530]  ? sock_write_iter (net/socket.c:1269)
[  684.381908][T11530]  ? move_addr_to_kernel (net/socket.c:258)
[  684.381910][T11530]  ? filter_irq_stacks (kernel/stacktrace.c:402)
[  684.381912][T11530]  ___sys_sendmsg (net/socket.c:2767)
[  684.381914][T11530]  ? copy_msghdr_from_user (net/socket.c:2619)
[  684.381919][T11530]  __sys_sendmsg (net/socket.c:2799)
[  684.381921][T11530]  ? __sys_sendmsg_sock (net/socket.c:2780)
[  684.381924][T11530]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  684.381926][T11530]  do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84)
[  684.381928][T11530]  ? exc_page_fault (arch/x86/mm/fault.c:1489 (discriminator 3) arch/x86/mm/fault.c:1536 (discriminator 3))
[  684.381930][T11530]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[  684.381931][T11530] RIP: 0033:0x7f572d0cb54e
[  684.381934][T11530] 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
[  684.381936][T11530] RSP: 002b:00007ffcf1be3a40 EFLAGS: 00000202 ORIG_RAX: 000000000000002e
[  684.381939][T11530] RAX: ffffffffffffffda RBX: 0000000000000005 RCX: 00007f572d0cb54e
[  684.381941][T11530] RDX: 0000000000000000 RSI: 00007ffcf1be3af0 RDI: 0000000000000005
[  684.381942][T11530] RBP: 00007ffcf1be3a50 R08: 0000000000000000 R09: 0000000000000000
[  684.381942][T11530] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a90fde4
[  684.381943][T11530] R13: 00000000004a1620 R14: 0000000000000000 R15: 00007ffcf1be41c0
| [  692.443009][T11673] softirqs last disabled at (0): 0x0
| [  692.443011][T11673] Preemption disabled at:
| [  692.443012][T11673] vprintk_emit (kernel/printk/printk.c:2471)
| [  692.443023][T11673] Tainted: [W]=WARN
[  692.443024][T11673] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[  692.443026][T11673] Call Trace:
[  692.443028][T11673]  <TASK>
[  692.443029][T11673]  dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120)
[  692.443035][T11673]  ? vprintk_emit (kernel/printk/printk.c:2471)
[  692.443037][T11673]  __might_resched.cold (kernel/sched/core.c:9234)
[  692.443041][T11673]  ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3))
[  692.443045][T11673]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  692.443048][T11673]  __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))
[  692.443052][T11673]  ? __rwlock_init (kernel/locking/spinlock_debug.c:48)
[  692.443056][T11673]  ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[  692.443061][T11673]  ? 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)
[  692.443063][T11673]  alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[  692.443066][T11673]  put_chars (drivers/char/virtio_console.c:1176)
[  692.443068][T11673]  ? __send_to_port (drivers/char/virtio_console.c:654)
[  692.443069][T11673]  ? printk_get_next_message (kernel/printk/printk.c:3072)
[  692.443071][T11673]  ? console_prepend_replay (kernel/printk/printk.c:3005)
[  692.443073][T11673]  ? pointer (lib/vsprintf.c:2577)
[  692.443077][T11673]  hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2))
[  692.443082][T11673]  ? hvc_write (drivers/tty/hvc/hvc_console.c:501)
[  692.443084][T11673]  ? __rwlock_init (kernel/locking/spinlock_debug.c:48)
[  692.443085][T11673]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  692.443088][T11673]  console_emit_next_record (kernel/printk/printk.c:3183)
[  692.443092][T11673]  ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20)
[  692.443095][T11673]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  692.443097][T11673]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  692.443099][T11673]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  692.443101][T11673]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  692.443104][T11673]  ? console_flush_one_record (kernel/printk/printk.c:3247)
[  692.443106][T11673]  console_flush_one_record (kernel/printk/printk.c:3268)
[  692.443108][T11673]  ? console_emit_next_record (kernel/printk/printk.c:3150)
[  692.443111][T11673]  console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420)
[  692.443113][T11673]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  692.443115][T11673]  ? console_flush_one_record (kernel/printk/printk.c:3316)
[  692.443116][T11673]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  692.443118][T11673]  ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22))
[  692.443119][T11673]  ? 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)
[  692.443121][T11673]  ? __rcu_read_lock (kernel/rcu/tree_plugin.h:391 (discriminator 6))
[  692.443122][T11673]  ? __down_trylock_console_sem (kernel/printk/printk.c:334)
[  692.443124][T11673]  ? vprintk_emit (kernel/printk/printk.c:2478)
[  692.443126][T11673]  vprintk_emit (kernel/printk/printk.c:2479)
[  692.443127][T11673]  ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126))
[  692.443129][T11673]  ? prepare_to_wait_event (kernel/sched/wait.c:318 (discriminator 7))
[  692.443131][T11673]  ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22))
[  692.443134][T11673]  ? _mutex_trylock_nest_lock (kernel/locking/mutex.c:1227 (discriminator 6))
[  692.443137][T11673]  _printk (kernel/printk/printk.c:2504)
[  692.443141][T11673]  ? snapshot_read.cold (user.c:?)
[  692.443144][T11673]  ? synchronize_rcu_normal (kernel/rcu/tree.c:3360)
[  692.443148][T11673]  ? netdev_name (./include/linux/netdevice.h:5709 (discriminator 1))
[  692.443151][T11673]  ? __netdev_printk (net/core/dev.c:13148 (discriminator 2))
[  692.443153][T11673]  ? do_setlink.isra.0 (net/core/rtnetlink.c:3246)
[  692.443156][T11673]  netdev_info (net/core/dev.c:13195 (discriminator 3))
[  692.443159][T11673]  ? netdev_notice (net/core/dev.c:13194)
[  692.443161][T11673]  ? 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)
[  692.443163][T11673]  ? __dev_change_net_namespace (net/core/dev.c:12342 net/core/dev.c:12883)
[  692.443165][T11673]  ? __rwlock_init (kernel/locking/spinlock_debug.c:48)
[  692.443167][T11673]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  692.443168][T11673]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  692.443169][T11673]  ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22))
[  692.443171][T11673]  ? trace_irq_disable.constprop.0 (./include/trace/events/preemptirq.h:36 (discriminator 22))
[  692.443172][T11673]  ? 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)
[  692.443174][T11673]  ? do_setlink.isra.0 (net/core/rtnetlink.c:3246)
[  692.443175][T11673]  netif_change_name.cold (net/core/dev.c:1507 (discriminator 3))
[  692.443177][T11673]  ? register_netdev (net/core/dev.c:11618)
[  692.443179][T11673]  ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22))
[  692.443181][T11673]  ? netdev_adjacent_rename_links (net/core/dev.c:9598)
[  692.443184][T11673]  ? __kernel_text_address (kernel/extable.c:79)
[  692.443187][T11673]  ? write_profile (profile.c:?)
[  692.443191][T11673]  ? __asan_memset (mm/kasan/shadow.c:84 (discriminator 1))
[  692.443197][T11673]  do_setlink.isra.0 (net/core/rtnetlink.c:3246)
[  692.443199][T11673]  ? stack_trace_save (kernel/stacktrace.c:122 (discriminator 1))
[  692.443201][T11673]  ? rtnl_link_get_size (net/core/rtnetlink.c:747)
[  692.443202][T11673]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  692.443203][T11673]  ? stack_depot_save_flags (lib/stackdepot.c:609 lib/stackdepot.c:676)
[  692.443207][T11673]  ? kasan_save_stack (mm/kasan/common.c:58)
[  692.443209][T11673]  ? kasan_save_stack (mm/kasan/common.c:57)
[  692.443210][T11673]  ? kasan_save_track (mm/kasan/common.c:78)
[  692.443211][T11673]  ? __kasan_kmalloc (mm/kasan/common.c:398 mm/kasan/common.c:415)
[  692.443213][T11673]  ? __kmalloc_cache_noprof (./include/linux/kasan.h:263 mm/slub.c:5563)
[  692.443214][T11673]  ? rtnl_newlink (./include/linux/slab.h:991 (discriminator 1) net/core/rtnetlink.c:4113 (discriminator 1))
[  692.443215][T11673]  ? rtnetlink_rcv_msg (net/core/rtnetlink.c:7132)
[  692.443216][T11673]  ? netlink_rcv_skb (net/netlink/af_netlink.c:2556)
[  692.443219][T11673]  ? netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[  692.443221][T11673]  ? netlink_sendmsg (net/netlink/af_netlink.c:1900)
[  692.443222][T11673]  ? __sock_sendmsg (net/socket.c:800 (discriminator 4) net/socket.c:815 (discriminator 4))
[  692.443225][T11673]  ? ____sys_sendmsg (net/socket.c:2713)
[  692.443227][T11673]  ? ___sys_sendmsg (net/socket.c:2767)
[  692.443228][T11673]  ? __sys_sendmsg (net/socket.c:2799)
[  692.443230][T11673]  ? do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84)
[  692.443233][T11673]  ? entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[  692.443237][T11673]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  692.443239][T11673]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  692.443242][T11673]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  692.443243][T11673]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  692.443244][T11673]  ? trace_contention_end (./include/trace/events/lock.h:121 (discriminator 22))
[  692.443246][T11673]  ? __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)
[  692.443247][T11673]  ? __mutex_lock (kernel/locking/mutex.c:656 (discriminator 1) kernel/locking/mutex.c:821 (discriminator 1))
[  692.443248][T11673]  ? rtnl_newlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:366 net/core/rtnetlink.c:4214)
[  692.443250][T11673]  ? ww_mutex_lock (kernel/locking/mutex.c:934)
[  692.443251][T11673]  ? nla_get_range_signed (lib/nlattr.c:270)
[  692.443255][T11673]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  692.443256][T11673]  ? __rtnl_newlink (net/core/rtnetlink.c:4063)
[  692.443258][T11673]  rtnl_newlink (net/core/rtnetlink.c:4215)
[  692.443261][T11673]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  692.443262][T11673]  ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558)
[  692.443263][T11673]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  692.443265][T11673]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  692.443266][T11673]  ? is_bpf_text_address (./include/linux/rcupdate.h:850 kernel/bpf/core.c:749)
[  692.443268][T11673]  ? is_bpf_text_address (./include/linux/rcupdate.h:882 kernel/bpf/core.c:751)
[  692.443270][T11673]  ? kernel_text_address (kernel/extable.c:125 kernel/extable.c:94)
[  692.443271][T11673]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  692.443272][T11673]  ? cap_capable (./include/trace/events/capability.h:26 (discriminator 22) security/commoncap.c:130 (discriminator 22))
[  692.443276][T11673]  ? arch_stack_walk (arch/x86/kernel/stacktrace.c:26)
[  692.443278][T11673]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  692.443280][T11673]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  692.443283][T11673]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  692.443285][T11673]  ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558)
[  692.443287][T11673]  rtnetlink_rcv_msg (net/core/rtnetlink.c:7132)
[  692.443290][T11673]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[  692.443292][T11673]  ? filter_irq_stacks (kernel/stacktrace.c:402)
[  692.443294][T11673]  ? stack_depot_save_flags (lib/stackdepot.c:609 lib/stackdepot.c:676)
[  692.443296][T11673]  netlink_rcv_skb (net/netlink/af_netlink.c:2556)
[  692.443298][T11673]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[  692.443299][T11673]  ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22))
[  692.443301][T11673]  ? netlink_ack (./include/linux/skbuff.h:2718)
[  692.443303][T11673]  ? __netlink_lookup (./include/linux/rcupdate.h:850 ./include/linux/rhashtable.h:709 net/netlink/af_netlink.c:499)
[  692.443306][T11673]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  692.443307][T11673]  ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22))
[  692.443309][T11673]  netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[  692.443311][T11673]  ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[  692.443313][T11673]  ? entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[  692.443315][T11673]  netlink_sendmsg (net/netlink/af_netlink.c:1900)
[  692.443318][T11673]  ? netlink_unicast (./include/net/net_namespace.h:422 (discriminator 7))
[  692.443319][T11673]  ? kernel_text_address (kernel/extable.c:125 kernel/extable.c:94)
[  692.443321][T11673]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  692.443323][T11673]  ? __import_iovec (lib/iov_iter.c:1358 lib/iov_iter.c:1373)
[  692.443326][T11673]  __sock_sendmsg (net/socket.c:800 (discriminator 4) net/socket.c:815 (discriminator 4))
[  692.443328][T11673]  ____sys_sendmsg (net/socket.c:2713)
[  692.443330][T11673]  ? copy_msghdr_from_user (net/socket.c:2650)
[  692.443331][T11673]  ? sock_write_iter (net/socket.c:1269)
[  692.443333][T11673]  ? move_addr_to_kernel (net/socket.c:258)
[  692.443335][T11673]  ? filter_irq_stacks (kernel/stacktrace.c:402)
[  692.443340][T11673]  ___sys_sendmsg (net/socket.c:2767)
[  692.443343][T11673]  ? copy_msghdr_from_user (net/socket.c:2619)
[  692.443349][T11673]  __sys_sendmsg (net/socket.c:2799)
[  692.443351][T11673]  ? __sys_sendmsg_sock (net/socket.c:2780)
[  692.443354][T11673]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  692.443355][T11673]  do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84)
[  692.443357][T11673]  ? exc_page_fault (arch/x86/mm/fault.c:1489 (discriminator 3) arch/x86/mm/fault.c:1536 (discriminator 3))
[  692.443360][T11673]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[  692.443361][T11673] RIP: 0033:0x7fd03d62254e
[  692.443364][T11673] 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
[  692.443366][T11673] RSP: 002b:00007ffd098ab570 EFLAGS: 00000202 ORIG_RAX: 000000000000002e
[  692.443369][T11673] RAX: ffffffffffffffda RBX: 0000000000000005 RCX: 00007fd03d62254e
[  692.443371][T11673] RDX: 0000000000000000 RSI: 00007ffd098ab620 RDI: 0000000000000005
[  692.443372][T11673] RBP: 00007ffd098ab580 R08: 0000000000000000 R09: 0000000000000000
[  692.443373][T11673] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a90fdec
[  692.443374][T11673] R13: 00000000004a1620 R14: 0000000000000000 R15: 00007ffd098abcf0
| [  700.520946][T11816] softirqs last disabled at (0): 0x0
| [  700.520948][T11816] Preemption disabled at:
| [  700.520948][T11816] vprintk_emit (kernel/printk/printk.c:2471)
| [  700.520961][T11816] Tainted: [W]=WARN
[  700.520962][T11816] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[  700.520964][T11816] Call Trace:
[  700.520966][T11816]  <TASK>
[  700.520967][T11816]  dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120)
[  700.520973][T11816]  ? vprintk_emit (kernel/printk/printk.c:2471)
[  700.520974][T11816]  __might_resched.cold (kernel/sched/core.c:9234)
[  700.520978][T11816]  ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3))
[  700.520981][T11816]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  700.520984][T11816]  __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))
[  700.520987][T11816]  ? __rwlock_init (kernel/locking/spinlock_debug.c:48)
[  700.520990][T11816]  ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[  700.520996][T11816]  ? 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)
[  700.520997][T11816]  alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[  700.521000][T11816]  put_chars (drivers/char/virtio_console.c:1176)
[  700.521002][T11816]  ? __send_to_port (drivers/char/virtio_console.c:654)
[  700.521003][T11816]  ? printk_get_next_message (kernel/printk/printk.c:3072)
[  700.521005][T11816]  ? console_prepend_replay (kernel/printk/printk.c:3005)
[  700.521008][T11816]  ? pointer (lib/vsprintf.c:2577)
[  700.521011][T11816]  hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2))
[  700.521016][T11816]  ? hvc_write (drivers/tty/hvc/hvc_console.c:501)
[  700.521018][T11816]  ? __rwlock_init (kernel/locking/spinlock_debug.c:48)
[  700.521020][T11816]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  700.521022][T11816]  console_emit_next_record (kernel/printk/printk.c:3183)
[  700.521025][T11816]  ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20)
[  700.521027][T11816]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  700.521028][T11816]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  700.521029][T11816]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  700.521030][T11816]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  700.521032][T11816]  ? console_flush_one_record (kernel/printk/printk.c:3247)
[  700.521034][T11816]  console_flush_one_record (kernel/printk/printk.c:3268)
[  700.521036][T11816]  ? console_emit_next_record (kernel/printk/printk.c:3150)
[  700.521040][T11816]  console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420)
[  700.521041][T11816]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  700.521043][T11816]  ? console_flush_one_record (kernel/printk/printk.c:3316)
[  700.521045][T11816]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  700.521046][T11816]  ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22))
[  700.521048][T11816]  ? 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)
[  700.521049][T11816]  ? __rcu_read_lock (kernel/rcu/tree_plugin.h:391 (discriminator 6))
[  700.521051][T11816]  ? __down_trylock_console_sem (kernel/printk/printk.c:334)
[  700.521053][T11816]  ? vprintk_emit (kernel/printk/printk.c:2478)
[  700.521054][T11816]  vprintk_emit (kernel/printk/printk.c:2479)
[  700.521056][T11816]  ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126))
[  700.521057][T11816]  ? prepare_to_wait_event (kernel/sched/wait.c:318 (discriminator 7))
[  700.521060][T11816]  ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22))
[  700.521063][T11816]  ? _mutex_trylock_nest_lock (kernel/locking/mutex.c:1227 (discriminator 6))
[  700.521065][T11816]  _printk (kernel/printk/printk.c:2504)
[  700.521068][T11816]  ? snapshot_read.cold (user.c:?)
[  700.521070][T11816]  ? synchronize_rcu_normal (kernel/rcu/tree.c:3360)
[  700.521072][T11816]  ? netdev_name (./include/linux/netdevice.h:5709 (discriminator 1))
[  700.521076][T11816]  ? __netdev_printk (net/core/dev.c:13148 (discriminator 2))
[  700.521079][T11816]  ? do_setlink.isra.0 (net/core/rtnetlink.c:3246)
[  700.521083][T11816]  netdev_info (net/core/dev.c:13195 (discriminator 3))
[  700.521086][T11816]  ? netdev_notice (net/core/dev.c:13194)
[  700.521089][T11816]  ? 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)
[  700.521091][T11816]  ? __dev_change_net_namespace (net/core/dev.c:12342 net/core/dev.c:12883)
[  700.521094][T11816]  ? __rwlock_init (kernel/locking/spinlock_debug.c:48)
[  700.521096][T11816]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  700.521097][T11816]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  700.521098][T11816]  ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22))
[  700.521099][T11816]  ? trace_irq_disable.constprop.0 (./include/trace/events/preemptirq.h:36 (discriminator 22))
[  700.521101][T11816]  ? 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)
[  700.521102][T11816]  ? do_setlink.isra.0 (net/core/rtnetlink.c:3246)
[  700.521104][T11816]  netif_change_name.cold (net/core/dev.c:1507 (discriminator 3))
[  700.521106][T11816]  ? register_netdev (net/core/dev.c:11618)
[  700.521107][T11816]  ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22))
[  700.521109][T11816]  ? netdev_adjacent_rename_links (net/core/dev.c:9598)
[  700.521112][T11816]  ? __kernel_text_address (kernel/extable.c:79)
[  700.521115][T11816]  ? write_profile (profile.c:?)
[  700.521118][T11816]  ? __asan_memset (mm/kasan/shadow.c:84 (discriminator 1))
[  700.521122][T11816]  do_setlink.isra.0 (net/core/rtnetlink.c:3246)
[  700.521123][T11816]  ? stack_trace_save (kernel/stacktrace.c:122 (discriminator 1))
[  700.521125][T11816]  ? rtnl_link_get_size (net/core/rtnetlink.c:747)
[  700.521126][T11816]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  700.521128][T11816]  ? stack_depot_save_flags (lib/stackdepot.c:609 lib/stackdepot.c:676)
[  700.521131][T11816]  ? kasan_save_stack (mm/kasan/common.c:58)
[  700.521133][T11816]  ? kasan_save_stack (mm/kasan/common.c:57)
[  700.521134][T11816]  ? kasan_save_track (mm/kasan/common.c:78)
[  700.521135][T11816]  ? __kasan_kmalloc (mm/kasan/common.c:398 mm/kasan/common.c:415)
[  700.521137][T11816]  ? __kmalloc_cache_noprof (./include/linux/kasan.h:263 mm/slub.c:5563)
[  700.521138][T11816]  ? rtnl_newlink (./include/linux/slab.h:991 (discriminator 1) net/core/rtnetlink.c:4113 (discriminator 1))
[  700.521139][T11816]  ? rtnetlink_rcv_msg (net/core/rtnetlink.c:7132)
[  700.521140][T11816]  ? netlink_rcv_skb (net/netlink/af_netlink.c:2556)
[  700.521143][T11816]  ? netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[  700.521145][T11816]  ? netlink_sendmsg (net/netlink/af_netlink.c:1900)
[  700.521146][T11816]  ? __sock_sendmsg (net/socket.c:800 (discriminator 4) net/socket.c:815 (discriminator 4))
[  700.521149][T11816]  ? ____sys_sendmsg (net/socket.c:2713)
[  700.521150][T11816]  ? ___sys_sendmsg (net/socket.c:2767)
[  700.521151][T11816]  ? __sys_sendmsg (net/socket.c:2799)
[  700.521153][T11816]  ? do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84)
[  700.521156][T11816]  ? entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[  700.521158][T11816]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  700.521159][T11816]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  700.521161][T11816]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  700.521162][T11816]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  700.521163][T11816]  ? trace_contention_end (./include/trace/events/lock.h:121 (discriminator 22))
[  700.521165][T11816]  ? __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)
[  700.521166][T11816]  ? __mutex_lock (kernel/locking/mutex.c:656 (discriminator 1) kernel/locking/mutex.c:821 (discriminator 1))
[  700.521167][T11816]  ? rtnl_newlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:366 net/core/rtnetlink.c:4214)
[  700.521169][T11816]  ? ww_mutex_lock (kernel/locking/mutex.c:934)
[  700.521170][T11816]  ? nla_get_range_signed (lib/nlattr.c:270)
[  700.521173][T11816]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  700.521175][T11816]  ? __rtnl_newlink (net/core/rtnetlink.c:4063)
[  700.521177][T11816]  rtnl_newlink (net/core/rtnetlink.c:4215)
[  700.521179][T11816]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  700.521180][T11816]  ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558)
[  700.521181][T11816]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  700.521183][T11816]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  700.521184][T11816]  ? is_bpf_text_address (./include/linux/rcupdate.h:850 kernel/bpf/core.c:749)
[  700.521187][T11816]  ? is_bpf_text_address (./include/linux/rcupdate.h:882 kernel/bpf/core.c:751)
[  700.521189][T11816]  ? kernel_text_address (kernel/extable.c:125 kernel/extable.c:94)
[  700.521191][T11816]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  700.521194][T11816]  ? cap_capable (./include/trace/events/capability.h:26 (discriminator 22) security/commoncap.c:130 (discriminator 22))
[  700.521198][T11816]  ? arch_stack_walk (arch/x86/kernel/stacktrace.c:26)
[  700.521200][T11816]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  700.521202][T11816]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  700.521203][T11816]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  700.521205][T11816]  ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558)
[  700.521206][T11816]  rtnetlink_rcv_msg (net/core/rtnetlink.c:7132)
[  700.521208][T11816]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[  700.521209][T11816]  ? filter_irq_stacks (kernel/stacktrace.c:402)
[  700.521211][T11816]  ? stack_depot_save_flags (lib/stackdepot.c:609 lib/stackdepot.c:676)
[  700.521214][T11816]  netlink_rcv_skb (net/netlink/af_netlink.c:2556)
[  700.521215][T11816]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[  700.521217][T11816]  ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22))
[  700.521219][T11816]  ? netlink_ack (./include/linux/skbuff.h:2718)
[  700.521220][T11816]  ? __netlink_lookup (./include/linux/rcupdate.h:850 ./include/linux/rhashtable.h:709 net/netlink/af_netlink.c:499)
[  700.521223][T11816]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  700.521224][T11816]  ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22))
[  700.521227][T11816]  netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[  700.521229][T11816]  ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[  700.521231][T11816]  ? entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[  700.521233][T11816]  netlink_sendmsg (net/netlink/af_netlink.c:1900)
[  700.521235][T11816]  ? netlink_unicast (./include/net/net_namespace.h:422 (discriminator 7))
[  700.521237][T11816]  ? kernel_text_address (kernel/extable.c:125 kernel/extable.c:94)
[  700.521239][T11816]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  700.521240][T11816]  ? __import_iovec (lib/iov_iter.c:1358 lib/iov_iter.c:1373)
[  700.521244][T11816]  __sock_sendmsg (net/socket.c:800 (discriminator 4) net/socket.c:815 (discriminator 4))
[  700.521246][T11816]  ____sys_sendmsg (net/socket.c:2713)
[  700.521247][T11816]  ? copy_msghdr_from_user (net/socket.c:2650)
[  700.521249][T11816]  ? sock_write_iter (net/socket.c:1269)
[  700.521251][T11816]  ? move_addr_to_kernel (net/socket.c:258)
[  700.521252][T11816]  ? filter_irq_stacks (kernel/stacktrace.c:402)
[  700.521255][T11816]  ___sys_sendmsg (net/socket.c:2767)
[  700.521257][T11816]  ? copy_msghdr_from_user (net/socket.c:2619)
[  700.521263][T11816]  __sys_sendmsg (net/socket.c:2799)
[  700.521266][T11816]  ? __sys_sendmsg_sock (net/socket.c:2780)
[  700.521271][T11816]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  700.521274][T11816]  do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84)
[  700.521276][T11816]  ? exc_page_fault (arch/x86/mm/fault.c:1489 (discriminator 3) arch/x86/mm/fault.c:1536 (discriminator 3))
[  700.521278][T11816]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[  700.521280][T11816] RIP: 0033:0x7f7a8aaea54e
[  700.521282][T11816] 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
[  700.521284][T11816] RSP: 002b:00007fffe7ffa970 EFLAGS: 00000202 ORIG_RAX: 000000000000002e
[  700.521288][T11816] RAX: ffffffffffffffda RBX: 0000000000000005 RCX: 00007f7a8aaea54e
[  700.521289][T11816] RDX: 0000000000000000 RSI: 00007fffe7ffaa20 RDI: 0000000000000005
[  700.521290][T11816] RBP: 00007fffe7ffa980 R08: 0000000000000000 R09: 0000000000000000
[  700.521291][T11816] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a90fdf4
[  700.521292][T11816] R13: 00000000004a1620 R14: 0000000000000000 R15: 00007fffe7ffb0f0
| [  708.491895][T11959] softirqs last disabled at (0): 0x0
| [  708.491897][T11959] Preemption disabled at:
| [  708.491897][T11959] vprintk_emit (kernel/printk/printk.c:2471)
| [  708.491908][T11959] Tainted: [W]=WARN
[  708.491909][T11959] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[  708.491911][T11959] Call Trace:
[  708.491912][T11959]  <TASK>
[  708.491914][T11959]  dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120)
[  708.491919][T11959]  ? vprintk_emit (kernel/printk/printk.c:2471)
[  708.491921][T11959]  __might_resched.cold (kernel/sched/core.c:9234)
[  708.491924][T11959]  ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3))
[  708.491928][T11959]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  708.491930][T11959]  __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))
[  708.491933][T11959]  ? __rwlock_init (kernel/locking/spinlock_debug.c:48)
[  708.491936][T11959]  ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[  708.491941][T11959]  ? 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)
[  708.491943][T11959]  alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[  708.491946][T11959]  put_chars (drivers/char/virtio_console.c:1176)
[  708.491948][T11959]  ? __send_to_port (drivers/char/virtio_console.c:654)
[  708.491949][T11959]  ? printk_get_next_message (kernel/printk/printk.c:3072)
[  708.491951][T11959]  ? console_prepend_replay (kernel/printk/printk.c:3005)
[  708.491953][T11959]  ? pointer (lib/vsprintf.c:2577)
[  708.491957][T11959]  hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2))
[  708.491962][T11959]  ? hvc_write (drivers/tty/hvc/hvc_console.c:501)
[  708.491964][T11959]  ? __rwlock_init (kernel/locking/spinlock_debug.c:48)
[  708.491965][T11959]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  708.491968][T11959]  console_emit_next_record (kernel/printk/printk.c:3183)
[  708.491971][T11959]  ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20)
[  708.491973][T11959]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  708.491975][T11959]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  708.491976][T11959]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  708.491977][T11959]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  708.491979][T11959]  ? console_flush_one_record (kernel/printk/printk.c:3247)
[  708.491981][T11959]  console_flush_one_record (kernel/printk/printk.c:3268)
[  708.491983][T11959]  ? console_emit_next_record (kernel/printk/printk.c:3150)
[  708.491987][T11959]  console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420)
[  708.491989][T11959]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  708.491990][T11959]  ? console_flush_one_record (kernel/printk/printk.c:3316)
[  708.491992][T11959]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  708.491993][T11959]  ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22))
[  708.491995][T11959]  ? 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)
[  708.491997][T11959]  ? __rcu_read_lock (kernel/rcu/tree_plugin.h:391 (discriminator 6))
[  708.491998][T11959]  ? __down_trylock_console_sem (kernel/printk/printk.c:334)
[  708.492001][T11959]  ? vprintk_emit (kernel/printk/printk.c:2478)
[  708.492002][T11959]  vprintk_emit (kernel/printk/printk.c:2479)
[  708.492004][T11959]  ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126))
[  708.492005][T11959]  ? prepare_to_wait_event (kernel/sched/wait.c:318 (discriminator 7))
[  708.492008][T11959]  ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22))
[  708.492011][T11959]  ? _mutex_trylock_nest_lock (kernel/locking/mutex.c:1227 (discriminator 6))
[  708.492013][T11959]  _printk (kernel/printk/printk.c:2504)
[  708.492016][T11959]  ? snapshot_read.cold (user.c:?)
[  708.492018][T11959]  ? synchronize_rcu_normal (kernel/rcu/tree.c:3360)
[  708.492021][T11959]  ? netdev_name (./include/linux/netdevice.h:5709 (discriminator 1))
[  708.492024][T11959]  ? __netdev_printk (net/core/dev.c:13148 (discriminator 2))
[  708.492026][T11959]  ? do_setlink.isra.0 (net/core/rtnetlink.c:3246)
[  708.492029][T11959]  netdev_info (net/core/dev.c:13195 (discriminator 3))
[  708.492032][T11959]  ? netdev_notice (net/core/dev.c:13194)
[  708.492034][T11959]  ? 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)
[  708.492036][T11959]  ? __dev_change_net_namespace (net/core/dev.c:12342 net/core/dev.c:12883)
[  708.492039][T11959]  ? __rwlock_init (kernel/locking/spinlock_debug.c:48)
[  708.492040][T11959]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  708.492041][T11959]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  708.492043][T11959]  ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22))
[  708.492044][T11959]  ? trace_irq_disable.constprop.0 (./include/trace/events/preemptirq.h:36 (discriminator 22))
[  708.492046][T11959]  ? 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)
[  708.492047][T11959]  ? do_setlink.isra.0 (net/core/rtnetlink.c:3246)
[  708.492049][T11959]  netif_change_name.cold (net/core/dev.c:1507 (discriminator 3))
[  708.492051][T11959]  ? register_netdev (net/core/dev.c:11618)
[  708.492052][T11959]  ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22))
[  708.492054][T11959]  ? netdev_adjacent_rename_links (net/core/dev.c:9598)
[  708.492057][T11959]  ? __kernel_text_address (kernel/extable.c:79)
[  708.492060][T11959]  ? write_profile (profile.c:?)
[  708.492062][T11959]  ? __asan_memset (mm/kasan/shadow.c:84 (discriminator 1))
[  708.492066][T11959]  do_setlink.isra.0 (net/core/rtnetlink.c:3246)
[  708.492068][T11959]  ? stack_trace_save (kernel/stacktrace.c:122 (discriminator 1))
[  708.492070][T11959]  ? rtnl_link_get_size (net/core/rtnetlink.c:747)
[  708.492071][T11959]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  708.492072][T11959]  ? stack_depot_save_flags (lib/stackdepot.c:609 lib/stackdepot.c:676)
[  708.492075][T11959]  ? kasan_save_stack (mm/kasan/common.c:58)
[  708.492077][T11959]  ? kasan_save_stack (mm/kasan/common.c:57)
[  708.492079][T11959]  ? kasan_save_track (mm/kasan/common.c:78)
[  708.492080][T11959]  ? __kasan_kmalloc (mm/kasan/common.c:398 mm/kasan/common.c:415)
[  708.492081][T11959]  ? __kmalloc_cache_noprof (./include/linux/kasan.h:263 mm/slub.c:5563)
[  708.492082][T11959]  ? rtnl_newlink (./include/linux/slab.h:991 (discriminator 1) net/core/rtnetlink.c:4113 (discriminator 1))
[  708.492084][T11959]  ? rtnetlink_rcv_msg (net/core/rtnetlink.c:7132)
[  708.492085][T11959]  ? netlink_rcv_skb (net/netlink/af_netlink.c:2556)
[  708.492088][T11959]  ? netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[  708.492090][T11959]  ? netlink_sendmsg (net/netlink/af_netlink.c:1900)
[  708.492091][T11959]  ? __sock_sendmsg (net/socket.c:800 (discriminator 4) net/socket.c:815 (discriminator 4))
[  708.492094][T11959]  ? ____sys_sendmsg (net/socket.c:2713)
[  708.492095][T11959]  ? ___sys_sendmsg (net/socket.c:2767)
[  708.492097][T11959]  ? __sys_sendmsg (net/socket.c:2799)
[  708.492098][T11959]  ? do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84)
[  708.492101][T11959]  ? entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[  708.492103][T11959]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  708.492105][T11959]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  708.492106][T11959]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  708.492107][T11959]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  708.492108][T11959]  ? trace_contention_end (./include/trace/events/lock.h:121 (discriminator 22))
[  708.492110][T11959]  ? __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)
[  708.492111][T11959]  ? __mutex_lock (kernel/locking/mutex.c:656 (discriminator 1) kernel/locking/mutex.c:821 (discriminator 1))
[  708.492112][T11959]  ? rtnl_newlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:366 net/core/rtnetlink.c:4214)
[  708.492114][T11959]  ? ww_mutex_lock (kernel/locking/mutex.c:934)
[  708.492115][T11959]  ? nla_get_range_signed (lib/nlattr.c:270)
[  708.492118][T11959]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  708.492120][T11959]  ? __rtnl_newlink (net/core/rtnetlink.c:4063)
[  708.492122][T11959]  rtnl_newlink (net/core/rtnetlink.c:4215)
[  708.492124][T11959]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  708.492125][T11959]  ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558)
[  708.492127][T11959]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  708.492128][T11959]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  708.492130][T11959]  ? is_bpf_text_address (./include/linux/rcupdate.h:850 kernel/bpf/core.c:749)
[  708.492132][T11959]  ? is_bpf_text_address (./include/linux/rcupdate.h:882 kernel/bpf/core.c:751)
[  708.492133][T11959]  ? kernel_text_address (kernel/extable.c:125 kernel/extable.c:94)
[  708.492135][T11959]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  708.492136][T11959]  ? cap_capable (./include/trace/events/capability.h:26 (discriminator 22) security/commoncap.c:130 (discriminator 22))
[  708.492139][T11959]  ? arch_stack_walk (arch/x86/kernel/stacktrace.c:26)
[  708.492142][T11959]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  708.492143][T11959]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  708.492145][T11959]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  708.492146][T11959]  ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558)
[  708.492147][T11959]  rtnetlink_rcv_msg (net/core/rtnetlink.c:7132)
[  708.492149][T11959]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[  708.492150][T11959]  ? filter_irq_stacks (kernel/stacktrace.c:402)
[  708.492152][T11959]  ? stack_depot_save_flags (lib/stackdepot.c:609 lib/stackdepot.c:676)
[  708.492155][T11959]  netlink_rcv_skb (net/netlink/af_netlink.c:2556)
[  708.492157][T11959]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[  708.492158][T11959]  ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22))
[  708.492160][T11959]  ? netlink_ack (./include/linux/skbuff.h:2718)
[  708.492161][T11959]  ? __netlink_lookup (./include/linux/rcupdate.h:850 ./include/linux/rhashtable.h:709 net/netlink/af_netlink.c:499)
[  708.492165][T11959]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  708.492166][T11959]  ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22))
[  708.492168][T11959]  netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[  708.492170][T11959]  ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[  708.492172][T11959]  ? entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[  708.492174][T11959]  netlink_sendmsg (net/netlink/af_netlink.c:1900)
[  708.492177][T11959]  ? netlink_unicast (./include/net/net_namespace.h:422 (discriminator 7))
[  708.492178][T11959]  ? kernel_text_address (kernel/extable.c:125 kernel/extable.c:94)
[  708.492180][T11959]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  708.492182][T11959]  ? __import_iovec (lib/iov_iter.c:1358 lib/iov_iter.c:1373)
[  708.492185][T11959]  __sock_sendmsg (net/socket.c:800 (discriminator 4) net/socket.c:815 (discriminator 4))
[  708.492187][T11959]  ____sys_sendmsg (net/socket.c:2713)
[  708.492189][T11959]  ? copy_msghdr_from_user (net/socket.c:2650)
[  708.492191][T11959]  ? sock_write_iter (net/socket.c:1269)
[  708.492192][T11959]  ? move_addr_to_kernel (net/socket.c:258)
[  708.492194][T11959]  ? filter_irq_stacks (kernel/stacktrace.c:402)
[  708.492197][T11959]  ___sys_sendmsg (net/socket.c:2767)
[  708.492199][T11959]  ? copy_msghdr_from_user (net/socket.c:2619)
[  708.492205][T11959]  __sys_sendmsg (net/socket.c:2799)
[  708.492207][T11959]  ? __sys_sendmsg_sock (net/socket.c:2780)
[  708.492210][T11959]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  708.492212][T11959]  do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84)
[  708.492214][T11959]  ? exc_page_fault (arch/x86/mm/fault.c:1489 (discriminator 3) arch/x86/mm/fault.c:1536 (discriminator 3))
[  708.492216][T11959]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[  708.492218][T11959] RIP: 0033:0x7f8010fc954e
[  708.492219][T11959] 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
[  708.492221][T11959] RSP: 002b:00007ffed4f51e40 EFLAGS: 00000202 ORIG_RAX: 000000000000002e
[  708.492225][T11959] RAX: ffffffffffffffda RBX: 0000000000000005 RCX: 00007f8010fc954e
[  708.492226][T11959] RDX: 0000000000000000 RSI: 00007ffed4f51ef0 RDI: 0000000000000005
[  708.492227][T11959] RBP: 00007ffed4f51e50 R08: 0000000000000000 R09: 0000000000000000
[  708.492228][T11959] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a90fdfc
[  708.492229][T11959] R13: 00000000004a1620 R14: 0000000000000000 R15: 00007ffed4f525c0
| [  716.667884][T12103] softirqs last disabled at (0): 0x0
| [  716.667886][T12103] Preemption disabled at:
| [  716.667886][T12103] vprintk_emit (kernel/printk/printk.c:2471)
| [  716.667897][T12103] Tainted: [W]=WARN
[  716.667898][T12103] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[  716.667900][T12103] Call Trace:
[  716.667909][T12103]  <TASK>
[  716.667911][T12103]  dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120)
[  716.667916][T12103]  ? vprintk_emit (kernel/printk/printk.c:2471)
[  716.667918][T12103]  __might_resched.cold (kernel/sched/core.c:9234)
[  716.667922][T12103]  ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3))
[  716.667925][T12103]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  716.667928][T12103]  __kmalloc_noprof (./include/linux/sched/mm.h:322 (discriminator 2) mm/slub.c:4636 (discriminator 2) mm/slub.c:4974 (discriminator 2) mm/slub.c:5413 (discriminator 2) mm/slub.c:5439 (discriminator 2))
[  716.667931][T12103]  ? __rwlock_init (kernel/locking/spinlock_debug.c:48)
[  716.667934][T12103]  ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[  716.667939][T12103]  ? do_raw_spin_unlock (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:32 ./include/asm-generic/qspinlock.h:58 kernel/locking/spinlock_debug.c:101 kernel/locking/spinlock_debug.c:141)
[  716.667941][T12103]  alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[  716.667944][T12103]  put_chars (drivers/char/virtio_console.c:1176)
[  716.667946][T12103]  ? __send_to_port (drivers/char/virtio_console.c:654)
[  716.667947][T12103]  ? printk_get_next_message (kernel/printk/printk.c:3072)
[  716.667949][T12103]  ? console_prepend_replay (kernel/printk/printk.c:3005)
[  716.667952][T12103]  ? pointer (lib/vsprintf.c:2577)
[  716.667955][T12103]  hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2))
[  716.667960][T12103]  ? hvc_write (drivers/tty/hvc/hvc_console.c:501)
[  716.667962][T12103]  ? __rwlock_init (kernel/locking/spinlock_debug.c:48)
[  716.667964][T12103]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  716.667966][T12103]  console_emit_next_record (kernel/printk/printk.c:3183)
[  716.667969][T12103]  ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20)
[  716.667971][T12103]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  716.667972][T12103]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  716.667973][T12103]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  716.667974][T12103]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  716.667977][T12103]  ? console_flush_one_record (kernel/printk/printk.c:3247)
[  716.667978][T12103]  console_flush_one_record (kernel/printk/printk.c:3268)
[  716.667981][T12103]  ? console_emit_next_record (kernel/printk/printk.c:3150)
[  716.667984][T12103]  console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420)
[  716.667986][T12103]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  716.667987][T12103]  ? console_flush_one_record (kernel/printk/printk.c:3316)
[  716.667989][T12103]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  716.667990][T12103]  ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22))
[  716.667992][T12103]  ? lock_acquire (./include/linux/srcutree.h:374 ./include/linux/srcu.h:541 ./include/linux/srcu.h:645 ./include/trace/events/lock.h:23 ./include/trace/events/lock.h:23 kernel/locking/lockdep.c:5871)
[  716.667993][T12103]  ? __rcu_read_lock (kernel/rcu/tree_plugin.h:391 (discriminator 6))
[  716.667995][T12103]  ? __down_trylock_console_sem (kernel/printk/printk.c:334)
[  716.667997][T12103]  ? vprintk_emit (kernel/printk/printk.c:2478)
[  716.667998][T12103]  vprintk_emit (kernel/printk/printk.c:2479)
[  716.668000][T12103]  ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126))
[  716.668001][T12103]  ? prepare_to_wait_event (kernel/sched/wait.c:318 (discriminator 7))
[  716.668004][T12103]  ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22))
[  716.668007][T12103]  ? _mutex_trylock_nest_lock (kernel/locking/mutex.c:1227 (discriminator 6))
[  716.668009][T12103]  _printk (kernel/printk/printk.c:2504)
[  716.668012][T12103]  ? snapshot_read.cold (user.c:?)
[  716.668015][T12103]  ? synchronize_rcu_normal (kernel/rcu/tree.c:3360)
[  716.668017][T12103]  ? netdev_name (./include/linux/netdevice.h:5709 (discriminator 1))
[  716.668020][T12103]  ? __netdev_printk (net/core/dev.c:13148 (discriminator 2))
[  716.668022][T12103]  ? do_setlink.isra.0 (net/core/rtnetlink.c:3246)
[  716.668026][T12103]  netdev_info (net/core/dev.c:13195 (discriminator 3))
[  716.668028][T12103]  ? netdev_notice (net/core/dev.c:13194)
[  716.668030][T12103]  ? 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)
[  716.668032][T12103]  ? __dev_change_net_namespace (net/core/dev.c:12342 net/core/dev.c:12883)
[  716.668035][T12103]  ? __rwlock_init (kernel/locking/spinlock_debug.c:48)
[  716.668037][T12103]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  716.668038][T12103]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  716.668039][T12103]  ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22))
[  716.668040][T12103]  ? trace_irq_disable.constprop.0 (./include/trace/events/preemptirq.h:36 (discriminator 22))
[  716.668042][T12103]  ? 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)
[  716.668043][T12103]  ? do_setlink.isra.0 (net/core/rtnetlink.c:3246)
[  716.668044][T12103]  netif_change_name.cold (net/core/dev.c:1507 (discriminator 3))
[  716.668046][T12103]  ? register_netdev (net/core/dev.c:11618)
[  716.668047][T12103]  ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22))
[  716.668050][T12103]  ? netdev_adjacent_rename_links (net/core/dev.c:9598)
[  716.668052][T12103]  ? __kernel_text_address (kernel/extable.c:79)
[  716.668055][T12103]  ? write_profile (profile.c:?)
[  716.668058][T12103]  ? __asan_memset (mm/kasan/shadow.c:84 (discriminator 1))
[  716.668062][T12103]  do_setlink.isra.0 (net/core/rtnetlink.c:3246)
[  716.668063][T12103]  ? stack_trace_save (kernel/stacktrace.c:122 (discriminator 1))
[  716.668065][T12103]  ? rtnl_link_get_size (net/core/rtnetlink.c:747)
[  716.668066][T12103]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  716.668067][T12103]  ? stack_depot_save_flags (lib/stackdepot.c:609 lib/stackdepot.c:676)
[  716.668071][T12103]  ? kasan_save_stack (mm/kasan/common.c:58)
[  716.668072][T12103]  ? kasan_save_stack (mm/kasan/common.c:57)
[  716.668073][T12103]  ? kasan_save_track (mm/kasan/common.c:78)
[  716.668075][T12103]  ? __kasan_kmalloc (mm/kasan/common.c:398 mm/kasan/common.c:415)
[  716.668076][T12103]  ? __kmalloc_cache_noprof (./include/linux/kasan.h:263 mm/slub.c:5563)
[  716.668077][T12103]  ? rtnl_newlink (./include/linux/slab.h:991 (discriminator 1) net/core/rtnetlink.c:4113 (discriminator 1))
[  716.668078][T12103]  ? rtnetlink_rcv_msg (net/core/rtnetlink.c:7132)
[  716.668079][T12103]  ? netlink_rcv_skb (net/netlink/af_netlink.c:2556)
[  716.668082][T12103]  ? netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[  716.668084][T12103]  ? netlink_sendmsg (net/netlink/af_netlink.c:1900)
[  716.668085][T12103]  ? __sock_sendmsg (net/socket.c:800 (discriminator 4) net/socket.c:815 (discriminator 4))
[  716.668088][T12103]  ? ____sys_sendmsg (net/socket.c:2713)
[  716.668089][T12103]  ? ___sys_sendmsg (net/socket.c:2767)
[  716.668091][T12103]  ? __sys_sendmsg (net/socket.c:2799)
[  716.668092][T12103]  ? do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84)
[  716.668095][T12103]  ? entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[  716.668098][T12103]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  716.668099][T12103]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  716.668100][T12103]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  716.668101][T12103]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  716.668102][T12103]  ? trace_contention_end (./include/trace/events/lock.h:121 (discriminator 22))
[  716.668104][T12103]  ? __mutex_lock (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:3188 kernel/locking/mutex.c:89 kernel/locking/mutex.c:134 kernel/locking/mutex.c:649 kernel/locking/mutex.c:821)
[  716.668105][T12103]  ? __mutex_lock (kernel/locking/mutex.c:656 (discriminator 1) kernel/locking/mutex.c:821 (discriminator 1))
[  716.668106][T12103]  ? rtnl_newlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:366 net/core/rtnetlink.c:4214)
[  716.668108][T12103]  ? ww_mutex_lock (kernel/locking/mutex.c:934)
[  716.668109][T12103]  ? nla_get_range_signed (lib/nlattr.c:270)
[  716.668112][T12103]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  716.668114][T12103]  ? __rtnl_newlink (net/core/rtnetlink.c:4063)
[  716.668116][T12103]  rtnl_newlink (net/core/rtnetlink.c:4215)
[  716.668118][T12103]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  716.668119][T12103]  ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558)
[  716.668120][T12103]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  716.668122][T12103]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  716.668123][T12103]  ? is_bpf_text_address (./include/linux/rcupdate.h:850 kernel/bpf/core.c:749)
[  716.668126][T12103]  ? is_bpf_text_address (./include/linux/rcupdate.h:882 kernel/bpf/core.c:751)
[  716.668127][T12103]  ? kernel_text_address (kernel/extable.c:125 kernel/extable.c:94)
[  716.668129][T12103]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  716.668130][T12103]  ? cap_capable (./include/trace/events/capability.h:26 (discriminator 22) security/commoncap.c:130 (discriminator 22))
[  716.668133][T12103]  ? arch_stack_walk (arch/x86/kernel/stacktrace.c:26)
[  716.668135][T12103]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  716.668137][T12103]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  716.668138][T12103]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  716.668139][T12103]  ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558)
[  716.668141][T12103]  rtnetlink_rcv_msg (net/core/rtnetlink.c:7132)
[  716.668142][T12103]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[  716.668144][T12103]  ? filter_irq_stacks (kernel/stacktrace.c:402)
[  716.668145][T12103]  ? stack_depot_save_flags (lib/stackdepot.c:609 lib/stackdepot.c:676)
[  716.668148][T12103]  netlink_rcv_skb (net/netlink/af_netlink.c:2556)
[  716.668149][T12103]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[  716.668151][T12103]  ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22))
[  716.668153][T12103]  ? netlink_ack (./include/linux/skbuff.h:2718)
[  716.668154][T12103]  ? __netlink_lookup (./include/linux/rcupdate.h:850 ./include/linux/rhashtable.h:709 net/netlink/af_netlink.c:499)
[  716.668157][T12103]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  716.668159][T12103]  ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22))
[  716.668161][T12103]  netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[  716.668163][T12103]  ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[  716.668165][T12103]  ? entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[  716.668167][T12103]  netlink_sendmsg (net/netlink/af_netlink.c:1900)
[  716.668169][T12103]  ? netlink_unicast (./include/net/net_namespace.h:422 (discriminator 7))
[  716.668171][T12103]  ? kernel_text_address (kernel/extable.c:125 kernel/extable.c:94)
[  716.668172][T12103]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  716.668174][T12103]  ? __import_iovec (lib/iov_iter.c:1358 lib/iov_iter.c:1373)
[  716.668177][T12103]  __sock_sendmsg (net/socket.c:800 (discriminator 4) net/socket.c:815 (discriminator 4))
[  716.668179][T12103]  ____sys_sendmsg (net/socket.c:2713)
[  716.668181][T12103]  ? copy_msghdr_from_user (net/socket.c:2650)
[  716.668183][T12103]  ? sock_write_iter (net/socket.c:1269)
[  716.668184][T12103]  ? move_addr_to_kernel (net/socket.c:258)
[  716.668186][T12103]  ? filter_irq_stacks (kernel/stacktrace.c:402)
[  716.668189][T12103]  ___sys_sendmsg (net/socket.c:2767)
[  716.668190][T12103]  ? copy_msghdr_from_user (net/socket.c:2619)
[  716.668195][T12103]  __sys_sendmsg (net/socket.c:2799)
[  716.668198][T12103]  ? __sys_sendmsg_sock (net/socket.c:2780)
[  716.668201][T12103]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  716.668202][T12103]  do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84)
[  716.668204][T12103]  ? exc_page_fault (arch/x86/mm/fault.c:1489 (discriminator 3) arch/x86/mm/fault.c:1536 (discriminator 3))
[  716.668206][T12103]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[  716.668208][T12103] RIP: 0033:0x7f95528ef54e
[  716.668210][T12103] Code: 4d 89 d8 e8 b4 bd 00 00 4c 8b 5d f8 41 8b 93 08 03 00 00 59 5e 48 83 f8 fc 74 11 c9 c3 0f 1f 80 00 00 00 00 48 8b 45 10 0f 05 <c9> c3 83 e2 39 83 fa 08 75 e7 e8 03 ff ff ff 0f 1f 00 f3 0f 1e fa
All code
========
   0:	4d 89 d8             	mov    %r11,%r8
   3:	e8 b4 bd 00 00       	call   0xbdbc
   8:	4c 8b 5d f8          	mov    -0x8(%rbp),%r11
   c:	41 8b 93 08 03 00 00 	mov    0x308(%r11),%edx
  13:	59                   	pop    %rcx
  14:	5e                   	pop    %rsi
  15:	48 83 f8 fc          	cmp    $0xfffffffffffffffc,%rax
  19:	74 11                	je     0x2c
  1b:	c9                   	leave
  1c:	c3                   	ret
  1d:	0f 1f 80 00 00 00 00 	nopl   0x0(%rax)
  24:	48 8b 45 10          	mov    0x10(%rbp),%rax
  28:	0f 05                	syscall
  2a:*	c9                   	leave		<-- trapping instruction
  2b:	c3                   	ret
  2c:	83 e2 39             	and    $0x39,%edx
  2f:	83 fa 08             	cmp    $0x8,%edx
  32:	75 e7                	jne    0x1b
  34:	e8 03 ff ff ff       	call   0xffffffffffffff3c
  39:	0f 1f 00             	nopl   (%rax)
  3c:	f3 0f 1e fa          	endbr64

Code starting with the faulting instruction
===========================================
   0:	c9                   	leave
   1:	c3                   	ret
   2:	83 e2 39             	and    $0x39,%edx
   5:	83 fa 08             	cmp    $0x8,%edx
   8:	75 e7                	jne    0xfffffffffffffff1
   a:	e8 03 ff ff ff       	call   0xffffffffffffff12
   f:	0f 1f 00             	nopl   (%rax)
  12:	f3 0f 1e fa          	endbr64
[  716.668212][T12103] RSP: 002b:00007ffc9699cd00 EFLAGS: 00000202 ORIG_RAX: 000000000000002e
[  716.668215][T12103] RAX: ffffffffffffffda RBX: 0000000000000005 RCX: 00007f95528ef54e
[  716.668217][T12103] RDX: 0000000000000000 RSI: 00007ffc9699cdb0 RDI: 0000000000000005
[  716.668218][T12103] RBP: 00007ffc9699cd10 R08: 0000000000000000 R09: 0000000000000000
[  716.668218][T12103] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a90fe05
[  716.668219][T12103] R13: 00000000004a1620 R14: 0000000000000000 R15: 00007ffc9699d480
| [  724.915527][T12247] softirqs last disabled at (0): 0x0
| [  724.915529][T12247] Preemption disabled at:
| [  724.915530][T12247] vprintk_emit (kernel/printk/printk.c:2471)
| [  724.915544][T12247] Tainted: [W]=WARN
[  724.915545][T12247] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[  724.915548][T12247] Call Trace:
[  724.915550][T12247]  <TASK>
[  724.915552][T12247]  dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120)
[  724.915559][T12247]  ? vprintk_emit (kernel/printk/printk.c:2471)
[  724.915561][T12247]  __might_resched.cold (kernel/sched/core.c:9234)
[  724.915566][T12247]  ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3))
[  724.915570][T12247]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  724.915574][T12247]  __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))
[  724.915578][T12247]  ? __rwlock_init (kernel/locking/spinlock_debug.c:48)
[  724.915582][T12247]  ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[  724.915589][T12247]  ? 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)
[  724.915591][T12247]  alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[  724.915595][T12247]  put_chars (drivers/char/virtio_console.c:1176)
[  724.915598][T12247]  ? __send_to_port (drivers/char/virtio_console.c:654)
[  724.915600][T12247]  ? printk_get_next_message (kernel/printk/printk.c:3072)
[  724.915604][T12247]  ? console_prepend_replay (kernel/printk/printk.c:3005)
[  724.915607][T12247]  ? pointer (lib/vsprintf.c:2577)
[  724.915611][T12247]  hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2))
[  724.915618][T12247]  ? hvc_write (drivers/tty/hvc/hvc_console.c:501)
[  724.915620][T12247]  ? __rwlock_init (kernel/locking/spinlock_debug.c:48)
[  724.915623][T12247]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  724.915627][T12247]  console_emit_next_record (kernel/printk/printk.c:3183)
[  724.915631][T12247]  ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20)
[  724.915634][T12247]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  724.915636][T12247]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  724.915638][T12247]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  724.915640][T12247]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  724.915643][T12247]  ? console_flush_one_record (kernel/printk/printk.c:3247)
[  724.915646][T12247]  console_flush_one_record (kernel/printk/printk.c:3268)
[  724.915654][T12247]  ? console_emit_next_record (kernel/printk/printk.c:3150)
[  724.915659][T12247]  console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420)
[  724.915662][T12247]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  724.915664][T12247]  ? console_flush_one_record (kernel/printk/printk.c:3316)
[  724.915667][T12247]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  724.915669][T12247]  ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22))
[  724.915672][T12247]  ? 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)
[  724.915674][T12247]  ? __rcu_read_lock (kernel/rcu/tree_plugin.h:391 (discriminator 6))
[  724.915677][T12247]  ? __down_trylock_console_sem (kernel/printk/printk.c:334)
[  724.915680][T12247]  ? vprintk_emit (kernel/printk/printk.c:2478)
[  724.915682][T12247]  vprintk_emit (kernel/printk/printk.c:2479)
[  724.915685][T12247]  ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126))
[  724.915687][T12247]  ? prepare_to_wait_event (kernel/sched/wait.c:318 (discriminator 7))
[  724.915691][T12247]  ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22))
[  724.915695][T12247]  ? _mutex_trylock_nest_lock (kernel/locking/mutex.c:1227 (discriminator 6))
[  724.915698][T12247]  _printk (kernel/printk/printk.c:2504)
[  724.915702][T12247]  ? snapshot_read.cold (user.c:?)
[  724.915706][T12247]  ? synchronize_rcu_normal (kernel/rcu/tree.c:3360)
[  724.915709][T12247]  ? netdev_name (./include/linux/netdevice.h:5709 (discriminator 1))
[  724.915713][T12247]  ? __netdev_printk (net/core/dev.c:13148 (discriminator 2))
[  724.915716][T12247]  ? do_setlink.isra.0 (net/core/rtnetlink.c:3246)
[  724.915720][T12247]  netdev_info (net/core/dev.c:13195 (discriminator 3))
[  724.915723][T12247]  ? netdev_notice (net/core/dev.c:13194)
[  724.915727][T12247]  ? 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)
[  724.915729][T12247]  ? __dev_change_net_namespace (net/core/dev.c:12342 net/core/dev.c:12883)
[  724.915733][T12247]  ? __rwlock_init (kernel/locking/spinlock_debug.c:48)
[  724.915736][T12247]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  724.915738][T12247]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  724.915740][T12247]  ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22))
[  724.915742][T12247]  ? trace_irq_disable.constprop.0 (./include/trace/events/preemptirq.h:36 (discriminator 22))
[  724.915745][T12247]  ? 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)
[  724.915747][T12247]  ? do_setlink.isra.0 (net/core/rtnetlink.c:3246)
[  724.915749][T12247]  netif_change_name.cold (net/core/dev.c:1507 (discriminator 3))
[  724.915752][T12247]  ? register_netdev (net/core/dev.c:11618)
[  724.915754][T12247]  ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22))
[  724.915758][T12247]  ? netdev_adjacent_rename_links (net/core/dev.c:9598)
[  724.915761][T12247]  ? __kernel_text_address (kernel/extable.c:79)
[  724.915765][T12247]  ? write_profile (profile.c:?)
[  724.915769][T12247]  ? __asan_memset (mm/kasan/shadow.c:84 (discriminator 1))
[  724.915774][T12247]  do_setlink.isra.0 (net/core/rtnetlink.c:3246)
[  724.915777][T12247]  ? stack_trace_save (kernel/stacktrace.c:122 (discriminator 1))
[  724.915779][T12247]  ? rtnl_link_get_size (net/core/rtnetlink.c:747)
[  724.915781][T12247]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  724.915783][T12247]  ? stack_depot_save_flags (lib/stackdepot.c:609 lib/stackdepot.c:676)
[  724.915788][T12247]  ? kasan_save_stack (mm/kasan/common.c:58)
[  724.915791][T12247]  ? kasan_save_stack (mm/kasan/common.c:57)
[  724.915793][T12247]  ? kasan_save_track (mm/kasan/common.c:78)
[  724.915795][T12247]  ? __kasan_kmalloc (mm/kasan/common.c:398 mm/kasan/common.c:415)
[  724.915797][T12247]  ? __kmalloc_cache_noprof (./include/linux/kasan.h:263 mm/slub.c:5563)
[  724.915799][T12247]  ? rtnl_newlink (./include/linux/slab.h:991 (discriminator 1) net/core/rtnetlink.c:4113 (discriminator 1))
[  724.915801][T12247]  ? rtnetlink_rcv_msg (net/core/rtnetlink.c:7132)
[  724.915803][T12247]  ? netlink_rcv_skb (net/netlink/af_netlink.c:2556)
[  724.915806][T12247]  ? netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[  724.915809][T12247]  ? netlink_sendmsg (net/netlink/af_netlink.c:1900)
[  724.915811][T12247]  ? __sock_sendmsg (net/socket.c:800 (discriminator 4) net/socket.c:815 (discriminator 4))
[  724.915815][T12247]  ? ____sys_sendmsg (net/socket.c:2713)
[  724.915817][T12247]  ? ___sys_sendmsg (net/socket.c:2767)
[  724.915819][T12247]  ? __sys_sendmsg (net/socket.c:2799)
[  724.915822][T12247]  ? do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84)
[  724.915826][T12247]  ? entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[  724.915830][T12247]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  724.915832][T12247]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  724.915834][T12247]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  724.915836][T12247]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  724.915838][T12247]  ? trace_contention_end (./include/trace/events/lock.h:121 (discriminator 22))
[  724.915840][T12247]  ? __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)
[  724.915842][T12247]  ? __mutex_lock (kernel/locking/mutex.c:656 (discriminator 1) kernel/locking/mutex.c:821 (discriminator 1))
[  724.915845][T12247]  ? rtnl_newlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:366 net/core/rtnetlink.c:4214)
[  724.915847][T12247]  ? ww_mutex_lock (kernel/locking/mutex.c:934)
[  724.915849][T12247]  ? nla_get_range_signed (lib/nlattr.c:270)
[  724.915854][T12247]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  724.915856][T12247]  ? __rtnl_newlink (net/core/rtnetlink.c:4063)
[  724.915860][T12247]  rtnl_newlink (net/core/rtnetlink.c:4215)
[  724.915864][T12247]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  724.915866][T12247]  ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558)
[  724.915868][T12247]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  724.915870][T12247]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  724.915873][T12247]  ? is_bpf_text_address (./include/linux/rcupdate.h:850 kernel/bpf/core.c:749)
[  724.915876][T12247]  ? is_bpf_text_address (./include/linux/rcupdate.h:882 kernel/bpf/core.c:751)
[  724.915878][T12247]  ? kernel_text_address (kernel/extable.c:125 kernel/extable.c:94)
[  724.915881][T12247]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  724.915883][T12247]  ? cap_capable (./include/trace/events/capability.h:26 (discriminator 22) security/commoncap.c:130 (discriminator 22))
[  724.915887][T12247]  ? arch_stack_walk (arch/x86/kernel/stacktrace.c:26)
[  724.915890][T12247]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  724.915892][T12247]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  724.915895][T12247]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  724.915897][T12247]  ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558)
[  724.915899][T12247]  rtnetlink_rcv_msg (net/core/rtnetlink.c:7132)
[  724.915902][T12247]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[  724.915904][T12247]  ? filter_irq_stacks (kernel/stacktrace.c:402)
[  724.915907][T12247]  ? stack_depot_save_flags (lib/stackdepot.c:609 lib/stackdepot.c:676)
[  724.915911][T12247]  netlink_rcv_skb (net/netlink/af_netlink.c:2556)
[  724.915914][T12247]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[  724.915916][T12247]  ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22))
[  724.915919][T12247]  ? netlink_ack (./include/linux/skbuff.h:2718)
[  724.915921][T12247]  ? __netlink_lookup (./include/linux/rcupdate.h:850 ./include/linux/rhashtable.h:709 net/netlink/af_netlink.c:499)
[  724.915926][T12247]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  724.915928][T12247]  ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22))
[  724.915932][T12247]  netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[  724.915935][T12247]  ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[  724.915938][T12247]  ? entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[  724.915942][T12247]  netlink_sendmsg (net/netlink/af_netlink.c:1900)
[  724.915945][T12247]  ? netlink_unicast (./include/net/net_namespace.h:422 (discriminator 7))
[  724.915948][T12247]  ? kernel_text_address (kernel/extable.c:125 kernel/extable.c:94)
[  724.915950][T12247]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  724.915953][T12247]  ? __import_iovec (lib/iov_iter.c:1358 lib/iov_iter.c:1373)
[  724.915964][T12247]  __sock_sendmsg (net/socket.c:800 (discriminator 4) net/socket.c:815 (discriminator 4))
[  724.915967][T12247]  ____sys_sendmsg (net/socket.c:2713)
[  724.915970][T12247]  ? copy_msghdr_from_user (net/socket.c:2650)
[  724.915972][T12247]  ? sock_write_iter (net/socket.c:1269)
[  724.915975][T12247]  ? move_addr_to_kernel (net/socket.c:258)
[  724.915977][T12247]  ? filter_irq_stacks (kernel/stacktrace.c:402)
[  724.915981][T12247]  ___sys_sendmsg (net/socket.c:2767)
[  724.915985][T12247]  ? copy_msghdr_from_user (net/socket.c:2619)
[  724.915993][T12247]  __sys_sendmsg (net/socket.c:2799)
[  724.915997][T12247]  ? __sys_sendmsg_sock (net/socket.c:2780)
[  724.916001][T12247]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  724.916004][T12247]  do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84)
[  724.916007][T12247]  ? exc_page_fault (arch/x86/mm/fault.c:1489 (discriminator 3) arch/x86/mm/fault.c:1536 (discriminator 3))
[  724.916010][T12247]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[  724.916012][T12247] RIP: 0033:0x7f9dcfd8a54e
[  724.916015][T12247] 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
[  724.916018][T12247] RSP: 002b:00007fffe54c0a90 EFLAGS: 00000202 ORIG_RAX: 000000000000002e
[  724.916023][T12247] RAX: ffffffffffffffda RBX: 0000000000000005 RCX: 00007f9dcfd8a54e
[  724.916025][T12247] RDX: 0000000000000000 RSI: 00007fffe54c0b40 RDI: 0000000000000005
[  724.916027][T12247] RBP: 00007fffe54c0aa0 R08: 0000000000000000 R09: 0000000000000000
[  724.916028][T12247] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a90fe0d
[  724.916030][T12247] R13: 00000000004a1620 R14: 0000000000000000 R15: 00007fffe54c1210
| [  733.373790][T12390] softirqs last disabled at (0): 0x0
| [  733.373791][T12390] Preemption disabled at:
| [  733.373792][T12390] vprintk_emit (kernel/printk/printk.c:2471)
| [  733.373803][T12390] Tainted: [W]=WARN
[  733.373804][T12390] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[  733.373805][T12390] Call Trace:
[  733.373807][T12390]  <TASK>
[  733.373808][T12390]  dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120)
[  733.373814][T12390]  ? vprintk_emit (kernel/printk/printk.c:2471)
[  733.373815][T12390]  __might_resched.cold (kernel/sched/core.c:9234)
[  733.373819][T12390]  ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3))
[  733.373823][T12390]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  733.373825][T12390]  __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))
[  733.373828][T12390]  ? __rwlock_init (kernel/locking/spinlock_debug.c:48)
[  733.373831][T12390]  ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[  733.373836][T12390]  ? 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)
[  733.373838][T12390]  alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[  733.373841][T12390]  put_chars (drivers/char/virtio_console.c:1176)
[  733.373842][T12390]  ? __send_to_port (drivers/char/virtio_console.c:654)
[  733.373843][T12390]  ? printk_get_next_message (kernel/printk/printk.c:3072)
[  733.373846][T12390]  ? console_prepend_replay (kernel/printk/printk.c:3005)
[  733.373848][T12390]  ? pointer (lib/vsprintf.c:2577)
[  733.373851][T12390]  hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2))
[  733.373856][T12390]  ? hvc_write (drivers/tty/hvc/hvc_console.c:501)
[  733.373858][T12390]  ? __rwlock_init (kernel/locking/spinlock_debug.c:48)
[  733.373860][T12390]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  733.373862][T12390]  console_emit_next_record (kernel/printk/printk.c:3183)
[  733.373865][T12390]  ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20)
[  733.373867][T12390]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  733.373868][T12390]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  733.373869][T12390]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  733.373870][T12390]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  733.373872][T12390]  ? console_flush_one_record (kernel/printk/printk.c:3247)
[  733.373874][T12390]  console_flush_one_record (kernel/printk/printk.c:3268)
[  733.373877][T12390]  ? console_emit_next_record (kernel/printk/printk.c:3150)
[  733.373879][T12390]  console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420)
[  733.373881][T12390]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  733.373883][T12390]  ? console_flush_one_record (kernel/printk/printk.c:3316)
[  733.373884][T12390]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  733.373885][T12390]  ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22))
[  733.373887][T12390]  ? 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)
[  733.373889][T12390]  ? __rcu_read_lock (kernel/rcu/tree_plugin.h:391 (discriminator 6))
[  733.373890][T12390]  ? __down_trylock_console_sem (kernel/printk/printk.c:334)
[  733.373892][T12390]  ? vprintk_emit (kernel/printk/printk.c:2478)
[  733.373894][T12390]  vprintk_emit (kernel/printk/printk.c:2479)
[  733.373895][T12390]  ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126))
[  733.373896][T12390]  ? prepare_to_wait_event (kernel/sched/wait.c:318 (discriminator 7))
[  733.373899][T12390]  ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22))
[  733.373902][T12390]  ? _mutex_trylock_nest_lock (kernel/locking/mutex.c:1227 (discriminator 6))
[  733.373904][T12390]  _printk (kernel/printk/printk.c:2504)
[  733.373907][T12390]  ? snapshot_read.cold (user.c:?)
[  733.373909][T12390]  ? synchronize_rcu_normal (kernel/rcu/tree.c:3360)
[  733.373911][T12390]  ? netdev_name (./include/linux/netdevice.h:5709 (discriminator 1))
[  733.373914][T12390]  ? __netdev_printk (net/core/dev.c:13148 (discriminator 2))
[  733.373916][T12390]  ? do_setlink.isra.0 (net/core/rtnetlink.c:3246)
[  733.373919][T12390]  netdev_info (net/core/dev.c:13195 (discriminator 3))
[  733.373922][T12390]  ? netdev_notice (net/core/dev.c:13194)
[  733.373924][T12390]  ? 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)
[  733.373925][T12390]  ? __dev_change_net_namespace (net/core/dev.c:12342 net/core/dev.c:12883)
[  733.373928][T12390]  ? __rwlock_init (kernel/locking/spinlock_debug.c:48)
[  733.373929][T12390]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  733.373930][T12390]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  733.373931][T12390]  ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22))
[  733.373933][T12390]  ? trace_irq_disable.constprop.0 (./include/trace/events/preemptirq.h:36 (discriminator 22))
[  733.373934][T12390]  ? 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)
[  733.373936][T12390]  ? do_setlink.isra.0 (net/core/rtnetlink.c:3246)
[  733.373937][T12390]  netif_change_name.cold (net/core/dev.c:1507 (discriminator 3))
[  733.373938][T12390]  ? register_netdev (net/core/dev.c:11618)
[  733.373940][T12390]  ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22))
[  733.373942][T12390]  ? netdev_adjacent_rename_links (net/core/dev.c:9598)
[  733.373945][T12390]  ? __kernel_text_address (kernel/extable.c:79)
[  733.373947][T12390]  ? write_profile (profile.c:?)
[  733.373950][T12390]  ? __asan_memset (mm/kasan/shadow.c:84 (discriminator 1))
[  733.373954][T12390]  do_setlink.isra.0 (net/core/rtnetlink.c:3246)
[  733.373955][T12390]  ? stack_trace_save (kernel/stacktrace.c:122 (discriminator 1))
[  733.373957][T12390]  ? rtnl_link_get_size (net/core/rtnetlink.c:747)
[  733.373958][T12390]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  733.373959][T12390]  ? stack_depot_save_flags (lib/stackdepot.c:609 lib/stackdepot.c:676)
[  733.373963][T12390]  ? kasan_save_stack (mm/kasan/common.c:58)
[  733.373964][T12390]  ? kasan_save_stack (mm/kasan/common.c:57)
[  733.373965][T12390]  ? kasan_save_track (mm/kasan/common.c:78)
[  733.373967][T12390]  ? __kasan_kmalloc (mm/kasan/common.c:398 mm/kasan/common.c:415)
[  733.373968][T12390]  ? __kmalloc_cache_noprof (./include/linux/kasan.h:263 mm/slub.c:5563)
[  733.373969][T12390]  ? rtnl_newlink (./include/linux/slab.h:991 (discriminator 1) net/core/rtnetlink.c:4113 (discriminator 1))
[  733.373970][T12390]  ? rtnetlink_rcv_msg (net/core/rtnetlink.c:7132)
[  733.373971][T12390]  ? netlink_rcv_skb (net/netlink/af_netlink.c:2556)
[  733.373974][T12390]  ? netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[  733.373975][T12390]  ? netlink_sendmsg (net/netlink/af_netlink.c:1900)
[  733.373977][T12390]  ? __sock_sendmsg (net/socket.c:800 (discriminator 4) net/socket.c:815 (discriminator 4))
[  733.373979][T12390]  ? ____sys_sendmsg (net/socket.c:2713)
[  733.373981][T12390]  ? ___sys_sendmsg (net/socket.c:2767)
[  733.373982][T12390]  ? __sys_sendmsg (net/socket.c:2799)
[  733.373984][T12390]  ? do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84)
[  733.373986][T12390]  ? entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[  733.373988][T12390]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  733.373990][T12390]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  733.373991][T12390]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  733.373992][T12390]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  733.373993][T12390]  ? trace_contention_end (./include/trace/events/lock.h:121 (discriminator 22))
[  733.373995][T12390]  ? __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)
[  733.373996][T12390]  ? __mutex_lock (kernel/locking/mutex.c:656 (discriminator 1) kernel/locking/mutex.c:821 (discriminator 1))
[  733.373997][T12390]  ? rtnl_newlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:366 net/core/rtnetlink.c:4214)
[  733.373999][T12390]  ? ww_mutex_lock (kernel/locking/mutex.c:934)
[  733.374000][T12390]  ? nla_get_range_signed (lib/nlattr.c:270)
[  733.374003][T12390]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  733.374004][T12390]  ? __rtnl_newlink (net/core/rtnetlink.c:4063)
[  733.374006][T12390]  rtnl_newlink (net/core/rtnetlink.c:4215)
[  733.374012][T12390]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  733.374014][T12390]  ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558)
[  733.374015][T12390]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  733.374017][T12390]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  733.374018][T12390]  ? is_bpf_text_address (./include/linux/rcupdate.h:850 kernel/bpf/core.c:749)
[  733.374020][T12390]  ? is_bpf_text_address (./include/linux/rcupdate.h:882 kernel/bpf/core.c:751)
[  733.374022][T12390]  ? kernel_text_address (kernel/extable.c:125 kernel/extable.c:94)
[  733.374023][T12390]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  733.374024][T12390]  ? cap_capable (./include/trace/events/capability.h:26 (discriminator 22) security/commoncap.c:130 (discriminator 22))
[  733.374028][T12390]  ? arch_stack_walk (arch/x86/kernel/stacktrace.c:26)
[  733.374030][T12390]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  733.374031][T12390]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  733.374033][T12390]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  733.374034][T12390]  ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558)
[  733.374035][T12390]  rtnetlink_rcv_msg (net/core/rtnetlink.c:7132)
[  733.374037][T12390]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[  733.374039][T12390]  ? filter_irq_stacks (kernel/stacktrace.c:402)
[  733.374040][T12390]  ? stack_depot_save_flags (lib/stackdepot.c:609 lib/stackdepot.c:676)
[  733.374043][T12390]  netlink_rcv_skb (net/netlink/af_netlink.c:2556)
[  733.374044][T12390]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[  733.374046][T12390]  ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22))
[  733.374047][T12390]  ? netlink_ack (./include/linux/skbuff.h:2718)
[  733.374049][T12390]  ? __netlink_lookup (./include/linux/rcupdate.h:850 ./include/linux/rhashtable.h:709 net/netlink/af_netlink.c:499)
[  733.374052][T12390]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  733.374053][T12390]  ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22))
[  733.374055][T12390]  netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[  733.374057][T12390]  ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[  733.374059][T12390]  ? entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[  733.374061][T12390]  netlink_sendmsg (net/netlink/af_netlink.c:1900)
[  733.374063][T12390]  ? netlink_unicast (./include/net/net_namespace.h:422 (discriminator 7))
[  733.374065][T12390]  ? kernel_text_address (kernel/extable.c:125 kernel/extable.c:94)
[  733.374067][T12390]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  733.374068][T12390]  ? __import_iovec (lib/iov_iter.c:1358 lib/iov_iter.c:1373)
[  733.374071][T12390]  __sock_sendmsg (net/socket.c:800 (discriminator 4) net/socket.c:815 (discriminator 4))
[  733.374073][T12390]  ____sys_sendmsg (net/socket.c:2713)
[  733.374075][T12390]  ? copy_msghdr_from_user (net/socket.c:2650)
[  733.374077][T12390]  ? sock_write_iter (net/socket.c:1269)
[  733.374078][T12390]  ? move_addr_to_kernel (net/socket.c:258)
[  733.374080][T12390]  ? filter_irq_stacks (kernel/stacktrace.c:402)
[  733.374082][T12390]  ___sys_sendmsg (net/socket.c:2767)
[  733.374084][T12390]  ? copy_msghdr_from_user (net/socket.c:2619)
[  733.374089][T12390]  __sys_sendmsg (net/socket.c:2799)
[  733.374091][T12390]  ? __sys_sendmsg_sock (net/socket.c:2780)
[  733.374094][T12390]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  733.374095][T12390]  do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84)
[  733.374097][T12390]  ? exc_page_fault (arch/x86/mm/fault.c:1489 (discriminator 3) arch/x86/mm/fault.c:1536 (discriminator 3))
[  733.374099][T12390]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[  733.374101][T12390] RIP: 0033:0x7f993692e54e
[  733.374103][T12390] 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
[  733.374105][T12390] RSP: 002b:00007ffc18623b80 EFLAGS: 00000202 ORIG_RAX: 000000000000002e
[  733.374109][T12390] RAX: ffffffffffffffda RBX: 0000000000000005 RCX: 00007f993692e54e
[  733.374110][T12390] RDX: 0000000000000000 RSI: 00007ffc18623c30 RDI: 0000000000000005
[  733.374111][T12390] RBP: 00007ffc18623b90 R08: 0000000000000000 R09: 0000000000000000
[  733.374112][T12390] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a90fe15


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