======================================
| [    9.314575][  T175] softirqs last disabled at (24385): __irq_exit_rcu (kernel/softirq.c:679 kernel/softirq.c:519 kernel/softirq.c:767)
| [    9.314578][  T175] Preemption disabled at:
| [    9.314579][  T175] 0x0
| [    9.314588][  T175] Tainted: [W]=WARN
[    9.314589][  T175] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[    9.314591][  T175] Call Trace:
[    9.314592][  T175]  <TASK>
[    9.314594][  T175]  dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120)
[    9.314599][  T175]  __might_resched.cold (kernel/sched/core.c:9234)
[    9.314604][  T175]  ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3))
[    9.314607][  T175]  ? __kmalloc_noprof (./include/linux/sched/mm.h:317 mm/slub.c:4636 mm/slub.c:4974 mm/slub.c:5413 mm/slub.c:5439)
[    9.314612][  T175]  __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))
[    9.314614][  T175]  ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[    9.314621][  T175]  ? 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)
[    9.314623][  T175]  alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[    9.314627][  T175]  put_chars (drivers/char/virtio_console.c:1176)
[    9.314630][  T175]  ? __send_to_port (drivers/char/virtio_console.c:654)
[    9.314636][  T175]  hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2))
[    9.314643][  T175]  ? hvc_write (drivers/tty/hvc/hvc_console.c:501)
[    9.314646][  T175]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[    9.314656][  T175]  console_emit_next_record (kernel/printk/printk.c:3183)
[    9.314659][  T175]  ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20)
[    9.314660][  T175]  ? 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))
[    9.314663][  T175]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[    9.314666][  T175]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[    9.314670][  T175]  console_flush_one_record (kernel/printk/printk.c:3268)
[    9.314674][  T175]  ? console_emit_next_record (kernel/printk/printk.c:3150)
[    9.314675][  T175]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[    9.314680][  T175]  console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420)
[    9.314683][  T175]  ? console_flush_one_record (kernel/printk/printk.c:3316)
[    9.314684][  T175]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[    9.314686][  T175]  ? lock_acquire (kernel/locking/lockdep.c:5913)
[    9.314689][  T175]  ? __down_trylock_console_sem (kernel/printk/printk.c:334)
[    9.314691][  T175]  ? vprintk_emit (kernel/printk/printk.c:2478)
[    9.314694][  T175]  vprintk_emit (kernel/printk/printk.c:2479)
[    9.314697][  T175]  ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126))
[    9.314700][  T175]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[    9.314704][  T175]  _printk (kernel/printk/printk.c:2504)
[    9.314708][  T175]  ? snapshot_read.cold (user.c:?)
[    9.314710][  T175]  ? 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)
[    9.314713][  T175]  ? __rwlock_init (kernel/locking/spinlock_debug.c:48)
[    9.314717][  T175]  ? 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)
[    9.314720][  T175]  do_exit.cold (kernel/exit.c:889 (discriminator 4) kernel/exit.c:1043 (discriminator 4))
[    9.314724][  T175]  ? exit_notify (kernel/exit.c:780)
[    9.314725][  T175]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554)
[    9.314728][  T175]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[    9.314732][  T175]  do_group_exit (kernel/exit.c:1151)
[    9.314735][  T175]  __x64_sys_exit_group (kernel/exit.c:1162 kernel/exit.c:1160 kernel/exit.c:1160)
[    9.314737][  T175]  x64_sys_call (./arch/x86/include/generated/asm/syscalls_64.h:232)
[    9.314740][  T175]  do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84)
[    9.314743][  T175]  ? exc_page_fault (arch/x86/mm/fault.c:1489 (discriminator 3) arch/x86/mm/fault.c:1536 (discriminator 3))
[    9.314746][  T175]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[    9.314749][  T175] RIP: 0033:0x7f5b6e2681b8
[    9.314751][  T175] Code: Unable to access opcode bytes at 0x7f5b6e26818e.

Code starting with the faulting instruction
===========================================
[    9.314752][  T175] RSP: 002b:00007ffde4e5c3f8 EFLAGS: 00000246 ORIG_RAX: 00000000000000e7
[    9.314754][  T175] RAX: ffffffffffffffda RBX: 00007f5b6e398f88 RCX: 00007f5b6e2681b8
[    9.314755][  T175] RDX: 00007f5b6dfb2fc8 RSI: fffffffffffffeb8 RDI: 0000000000000000
[    9.314756][  T175] RBP: 00007ffde4e5c450 R08: 0000000000000000 R09: 0000000000000050
[    9.314757][  T175] R10: 00007ffde4e5c210 R11: 0000000000000246 R12: 0000000000000001
[    9.314758][  T175] R13: 0000000000000000 R14: 00007f5b6e397680 R15: 00007f5b6e398fa0
| [   11.020591][  T242] softirqs last disabled at (17936): netif_change_name (./include/linux/spinlock.h:353 ./include/linux/seqlock.h:908 net/core/dev.c:1499)
| [   11.020594][  T242] Preemption disabled at:
| [   11.020594][  T242] vprintk_emit (kernel/printk/printk.c:2471)
| [   11.020602][  T242] Tainted: [W]=WARN
[   11.020603][  T242] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   11.020604][  T242] Call Trace:
[   11.020606][  T242]  <TASK>
[   11.020607][  T242]  dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120)
[   11.020612][  T242]  ? vprintk_emit (kernel/printk/printk.c:2471)
[   11.020613][  T242]  __might_resched.cold (kernel/sched/core.c:9234)
[   11.020618][  T242]  ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3))
[   11.020621][  T242]  ? __kmalloc_noprof (./include/linux/sched/mm.h:317 mm/slub.c:4636 mm/slub.c:4974 mm/slub.c:5413 mm/slub.c:5439)
[   11.020626][  T242]  __kmalloc_noprof (./include/linux/sched/mm.h:322 (discriminator 2) mm/slub.c:4636 (discriminator 2) mm/slub.c:4974 (discriminator 2) mm/slub.c:5413 (discriminator 2) mm/slub.c:5439 (discriminator 2))
[   11.020628][  T242]  ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[   11.020634][  T242]  ? do_raw_spin_unlock (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:32 ./include/asm-generic/qspinlock.h:58 kernel/locking/spinlock_debug.c:101 kernel/locking/spinlock_debug.c:141)
[   11.020637][  T242]  alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[   11.020640][  T242]  put_chars (drivers/char/virtio_console.c:1176)
[   11.020643][  T242]  ? __send_to_port (drivers/char/virtio_console.c:654)
[   11.020647][  T242]  ? validate_chain (kernel/locking/lockdep.c:159 kernel/locking/lockdep.c:191 kernel/locking/lockdep.c:3928)
[   11.020652][  T242]  hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2))
[   11.020660][  T242]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   11.020662][  T242]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   11.020666][  T242]  ? hvc_write (drivers/tty/hvc/hvc_console.c:501)
[   11.020670][  T242]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   11.020673][  T242]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   11.020677][  T242]  console_emit_next_record (kernel/printk/printk.c:3183)
[   11.020681][  T242]  ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20)
[   11.020682][  T242]  ? console_flush_one_record (./include/linux/rcupdate.h:314 (discriminator 2) ./include/linux/srcu.h:439 (discriminator 2) kernel/printk/printk.c:291 (discriminator 2) kernel/printk/printk.c:3246 (discriminator 2))
[   11.020685][  T242]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   11.020686][  T242]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   11.020690][  T242]  console_flush_one_record (kernel/printk/printk.c:3268)
[   11.020694][  T242]  ? console_emit_next_record (kernel/printk/printk.c:3150)
[   11.020699][  T242]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   11.020704][  T242]  console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420)
[   11.020707][  T242]  ? console_flush_one_record (kernel/printk/printk.c:3316)
[   11.020708][  T242]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   11.020710][  T242]  ? lock_acquire (kernel/locking/lockdep.c:5913)
[   11.020713][  T242]  ? __down_trylock_console_sem (kernel/printk/printk.c:334)
[   11.020715][  T242]  ? vprintk_emit (kernel/printk/printk.c:2478)
[   11.020718][  T242]  vprintk_emit (kernel/printk/printk.c:2479)
[   11.020721][  T242]  ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126))
[   11.020723][  T242]  ? save_trace (kernel/locking/lockdep.c:589)
[   11.020727][  T242]  _printk (kernel/printk/printk.c:2504)
[   11.020731][  T242]  ? snapshot_read.cold (user.c:?)
[   11.020734][  T242]  ? validate_chain (kernel/locking/lockdep.c:159 kernel/locking/lockdep.c:191 kernel/locking/lockdep.c:3928)
[   11.020736][  T242]  ? netdev_name (./include/linux/netdevice.h:5709 (discriminator 1))
[   11.020740][  T242]  ? __netdev_printk (net/core/dev.c:13148 (discriminator 2))
[   11.020742][  T242]  ? do_setlink.isra.0 (net/core/rtnetlink.c:3246)
[   11.020744][  T242]  netdev_info (net/core/dev.c:13195 (discriminator 3))
[   11.020747][  T242]  ? netdev_notice (net/core/dev.c:13194)
[   11.020749][  T242]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[   11.020752][  T242]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554)
[   11.020755][  T242]  ? mark_held_locks (kernel/locking/lockdep.c:4341)
[   11.020758][  T242]  ? do_setlink.isra.0 (net/core/rtnetlink.c:3246)
[   11.020760][  T242]  netif_change_name.cold (net/core/dev.c:1507 (discriminator 3))
[   11.020763][  T242]  ? is_bpf_text_address (./include/linux/rcupdate.h:319 (discriminator 2) ./include/linux/rcupdate.h:880 (discriminator 2) kernel/bpf/core.c:751 (discriminator 2))
[   11.020769][  T242]  ? netdev_adjacent_rename_links (net/core/dev.c:9598)
[   11.020771][  T242]  ? __kernel_text_address (kernel/extable.c:79)
[   11.020774][  T242]  ? write_profile (profile.c:?)
[   11.020778][  T242]  ? __asan_memset (mm/kasan/shadow.c:84 (discriminator 1))
[   11.020783][  T242]  do_setlink.isra.0 (net/core/rtnetlink.c:3246)
[   11.020787][  T242]  ? stack_trace_save (kernel/stacktrace.c:122 (discriminator 1))
[   11.020789][  T242]  ? rtnl_link_get_size (net/core/rtnetlink.c:747)
[   11.020790][  T242]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:388 kernel/rcu/update.c:380)
[   11.020793][  T242]  ? stack_depot_save_flags (lib/stackdepot.c:609 (discriminator 2) lib/stackdepot.c:676 (discriminator 2))
[   11.020796][  T242]  ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4116 (discriminator 3) kernel/rcu/tree.c:4108 (discriminator 3))
[   11.020799][  T242]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380)
[   11.020801][  T242]  ? validate_chain (kernel/locking/lockdep.c:3817 (discriminator 2) kernel/locking/lockdep.c:3837 (discriminator 2) kernel/locking/lockdep.c:3892 (discriminator 2))
[   11.020803][  T242]  ? kasan_save_stack (mm/kasan/common.c:58)
[   11.020806][  T242]  ? kasan_save_stack (mm/kasan/common.c:57)
[   11.020808][  T242]  ? kasan_save_track (mm/kasan/common.c:78)
[   11.020810][  T242]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   11.020812][  T242]  ? netlink_update_listeners (net/netlink/af_netlink.c:532)
[   11.020815][  T242]  ? ___sys_sendmsg (net/socket.c:2744 net/socket.c:2763)
[   11.020820][  T242]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2))
[   11.020822][  T242]  ? rtnl_newlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:366 net/core/rtnetlink.c:4214)
[   11.020825][  T242]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   11.020827][  T242]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   11.020828][  T242]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   11.020830][  T242]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   11.020831][  T242]  ? trace_contention_end (./include/trace/events/lock.h:121 (discriminator 22))
[   11.020834][  T242]  ? __mutex_lock (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:3188 kernel/locking/mutex.c:89 kernel/locking/mutex.c:134 kernel/locking/mutex.c:649 kernel/locking/mutex.c:821)
[   11.020837][  T242]  ? __mutex_lock (kernel/locking/mutex.c:656 (discriminator 1) kernel/locking/mutex.c:821 (discriminator 1))
[   11.020840][  T242]  ? rtnl_newlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:366 net/core/rtnetlink.c:4214)
[   11.020843][  T242]  ? ww_mutex_lock (kernel/locking/mutex.c:934)
[   11.020845][  T242]  ? nla_get_range_signed (lib/nlattr.c:270)
[   11.020850][  T242]  ? __rtnl_newlink (net/core/rtnetlink.c:4063)
[   11.020855][  T242]  rtnl_newlink (net/core/rtnetlink.c:4215)
[   11.020860][  T242]  ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558)
[   11.020862][  T242]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   11.020866][  T242]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2))
[   11.020868][  T242]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[   11.020870][  T242]  ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558)
[   11.020872][  T242]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554)
[   11.020876][  T242]  ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558)
[   11.020878][  T242]  rtnetlink_rcv_msg (net/core/rtnetlink.c:7132)
[   11.020881][  T242]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   11.020882][  T242]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   11.020887][  T242]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2))
[   11.020889][  T242]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[   11.020892][  T242]  netlink_rcv_skb (net/netlink/af_netlink.c:2556)
[   11.020894][  T242]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   11.020896][  T242]  ? netlink_ack (./include/linux/skbuff.h:2718)
[   11.020902][  T242]  ? netlink_deliver_tap (./include/linux/rcupdate.h:319 (discriminator 2) ./include/linux/rcupdate.h:880 (discriminator 2) ./include/net/netns/generic.h:48 (discriminator 2) net/netlink/af_netlink.c:334 (discriminator 2))
[   11.020904][  T242]  ? netlink_deliver_tap (./include/linux/rcupdate.h:319 (discriminator 2) ./include/linux/rcupdate.h:880 (discriminator 2) net/netlink/af_netlink.c:341 (discriminator 2))
[   11.020908][  T242]  netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[   11.020911][  T242]  ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[   11.020914][  T242]  ? __lock_acquire (kernel/locking/lockdep.c:5251 (discriminator 3))
[   11.020918][  T242]  netlink_sendmsg (net/netlink/af_netlink.c:1900)
[   11.020922][  T242]  ? netlink_unicast (./include/net/net_namespace.h:422 (discriminator 7))
[   11.020923][  T242]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554)
[   11.020926][  T242]  ? __might_fault (mm/memory.c:7482 (discriminator 5))
[   11.020930][  T242]  ? __might_fault (mm/memory.c:7482 (discriminator 5))
[   11.020933][  T242]  ____sys_sendmsg (net/socket.c:800 (discriminator 4) net/socket.c:815 (discriminator 4) net/socket.c:2713 (discriminator 4))
[   11.020936][  T242]  ? copy_msghdr_from_user (net/socket.c:2650)
[   11.020938][  T242]  ? get_timestamp.constprop.0 (./include/linux/netdevice.h:5399)
[   11.020939][  T242]  ? move_addr_to_kernel (./include/linux/audit.h:354 (discriminator 1))
[   11.020946][  T242]  ___sys_sendmsg (net/socket.c:2767)
[   11.020949][  T242]  ? copy_msghdr_from_user (net/socket.c:2619)
[   11.020964][  T242]  __sys_sendmsg (net/socket.c:2799)
[   11.020967][  T242]  ? __sys_sendmsg_sock (net/socket.c:2780)
[   11.020973][  T242]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   11.020976][  T242]  do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84)
[   11.020979][  T242]  ? exc_page_fault (arch/x86/mm/fault.c:1489 (discriminator 3) arch/x86/mm/fault.c:1536 (discriminator 3))
[   11.020982][  T242]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[   11.020984][  T242] RIP: 0033:0x7ff51826e54e
[   11.020988][  T242] Code: 4d 89 d8 e8 b4 bd 00 00 4c 8b 5d f8 41 8b 93 08 03 00 00 59 5e 48 83 f8 fc 74 11 c9 c3 0f 1f 80 00 00 00 00 48 8b 45 10 0f 05 <c9> c3 83 e2 39 83 fa 08 75 e7 e8 03 ff ff ff 0f 1f 00 f3 0f 1e fa
All code
========
   0:	4d 89 d8             	mov    %r11,%r8
   3:	e8 b4 bd 00 00       	call   0xbdbc
   8:	4c 8b 5d f8          	mov    -0x8(%rbp),%r11
   c:	41 8b 93 08 03 00 00 	mov    0x308(%r11),%edx
  13:	59                   	pop    %rcx
  14:	5e                   	pop    %rsi
  15:	48 83 f8 fc          	cmp    $0xfffffffffffffffc,%rax
  19:	74 11                	je     0x2c
  1b:	c9                   	leave
  1c:	c3                   	ret
  1d:	0f 1f 80 00 00 00 00 	nopl   0x0(%rax)
  24:	48 8b 45 10          	mov    0x10(%rbp),%rax
  28:	0f 05                	syscall
  2a:*	c9                   	leave		<-- trapping instruction
  2b:	c3                   	ret
  2c:	83 e2 39             	and    $0x39,%edx
  2f:	83 fa 08             	cmp    $0x8,%edx
  32:	75 e7                	jne    0x1b
  34:	e8 03 ff ff ff       	call   0xffffffffffffff3c
  39:	0f 1f 00             	nopl   (%rax)
  3c:	f3 0f 1e fa          	endbr64

Code starting with the faulting instruction
===========================================
   0:	c9                   	leave
   1:	c3                   	ret
   2:	83 e2 39             	and    $0x39,%edx
   5:	83 fa 08             	cmp    $0x8,%edx
   8:	75 e7                	jne    0xfffffffffffffff1
   a:	e8 03 ff ff ff       	call   0xffffffffffffff12
   f:	0f 1f 00             	nopl   (%rax)
  12:	f3 0f 1e fa          	endbr64
[   11.020989][  T242] RSP: 002b:00007ffe31e3b4a0 EFLAGS: 00000202 ORIG_RAX: 000000000000002e
[   11.020992][  T242] RAX: ffffffffffffffda RBX: 0000000000000003 RCX: 00007ff51826e54e
[   11.020993][  T242] RDX: 0000000000000000 RSI: 00007ffe31e3b550 RDI: 0000000000000005
[   11.020994][  T242] RBP: 00007ffe31e3b4b0 R08: 0000000000000000 R09: 0000000000000000
[   11.020995][  T242] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a91617a
[   11.020996][  T242] R13: 00000000004a1620 R14: 0000000000000000 R15: 00007ffe31e3bc20
| [   12.210048][  T283] softirqs last disabled at (26142): netif_change_name (./include/linux/spinlock.h:353 ./include/linux/seqlock.h:908 net/core/dev.c:1499)
| [   12.210050][  T283] Preemption disabled at:
| [   12.210051][  T283] vprintk_emit (kernel/printk/printk.c:2471)
| [   12.210059][  T283] Tainted: [W]=WARN
[   12.210060][  T283] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   12.210062][  T283] Call Trace:
[   12.210063][  T283]  <TASK>
[   12.210065][  T283]  dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120)
[   12.210070][  T283]  ? vprintk_emit (kernel/printk/printk.c:2471)
[   12.210071][  T283]  __might_resched.cold (kernel/sched/core.c:9234)
[   12.210076][  T283]  ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3))
[   12.210079][  T283]  ? __kmalloc_noprof (./include/linux/sched/mm.h:317 mm/slub.c:4636 mm/slub.c:4974 mm/slub.c:5413 mm/slub.c:5439)
[   12.210085][  T283]  __kmalloc_noprof (./include/linux/sched/mm.h:322 (discriminator 2) mm/slub.c:4636 (discriminator 2) mm/slub.c:4974 (discriminator 2) mm/slub.c:5413 (discriminator 2) mm/slub.c:5439 (discriminator 2))
[   12.210087][  T283]  ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[   12.210094][  T283]  ? do_raw_spin_unlock (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:32 ./include/asm-generic/qspinlock.h:58 kernel/locking/spinlock_debug.c:101 kernel/locking/spinlock_debug.c:141)
[   12.210097][  T283]  alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[   12.210100][  T283]  put_chars (drivers/char/virtio_console.c:1176)
[   12.210103][  T283]  ? __send_to_port (drivers/char/virtio_console.c:654)
[   12.210107][  T283]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380)
[   12.210110][  T283]  ? validate_chain (kernel/locking/lockdep.c:3817 (discriminator 2) kernel/locking/lockdep.c:3837 (discriminator 2) kernel/locking/lockdep.c:3892 (discriminator 2))
[   12.210115][  T283]  hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2))
[   12.210121][  T283]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   12.210122][  T283]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   12.210127][  T283]  ? hvc_write (drivers/tty/hvc/hvc_console.c:501)
[   12.210131][  T283]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   12.210133][  T283]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   12.210137][  T283]  console_emit_next_record (kernel/printk/printk.c:3183)
[   12.210141][  T283]  ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20)
[   12.210142][  T283]  ? console_flush_one_record (./include/linux/rcupdate.h:314 (discriminator 2) ./include/linux/srcu.h:439 (discriminator 2) kernel/printk/printk.c:291 (discriminator 2) kernel/printk/printk.c:3246 (discriminator 2))
[   12.210145][  T283]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   12.210147][  T283]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   12.210151][  T283]  console_flush_one_record (kernel/printk/printk.c:3268)
[   12.210155][  T283]  ? console_emit_next_record (kernel/printk/printk.c:3150)
[   12.210156][  T283]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   12.210161][  T283]  console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420)
[   12.210164][  T283]  ? console_flush_one_record (kernel/printk/printk.c:3316)
[   12.210165][  T283]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   12.210167][  T283]  ? lock_acquire (kernel/locking/lockdep.c:5913)
[   12.210171][  T283]  ? __down_trylock_console_sem (kernel/printk/printk.c:334)
[   12.210173][  T283]  ? vprintk_emit (kernel/printk/printk.c:2478)
[   12.210175][  T283]  vprintk_emit (kernel/printk/printk.c:2479)
[   12.210179][  T283]  ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126))
[   12.210181][  T283]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   12.210183][  T283]  ? save_trace (kernel/locking/lockdep.c:154 (discriminator 6) kernel/locking/lockdep.c:150 (discriminator 6) kernel/locking/lockdep.c:202 (discriminator 6) kernel/locking/lockdep.c:577 (discriminator 6))
[   12.210185][  T283]  ? find_held_lock (kernel/locking/lockdep.c:5360)
[   12.210188][  T283]  _printk (kernel/printk/printk.c:2504)
[   12.210192][  T283]  ? snapshot_read.cold (user.c:?)
[   12.210194][  T283]  ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4116 (discriminator 3) kernel/rcu/tree.c:4108 (discriminator 3))
[   12.210197][  T283]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380)
[   12.210199][  T283]  ? validate_chain (kernel/locking/lockdep.c:3817 (discriminator 2) kernel/locking/lockdep.c:3837 (discriminator 2) kernel/locking/lockdep.c:3892 (discriminator 2))
[   12.210201][  T283]  ? netdev_name (./include/linux/netdevice.h:5709 (discriminator 1))
[   12.210204][  T283]  ? __netdev_printk (net/core/dev.c:13148 (discriminator 2))
[   12.210207][  T283]  ? do_setlink.isra.0 (net/core/rtnetlink.c:3246)
[   12.210209][  T283]  netdev_info (net/core/dev.c:13195 (discriminator 3))
[   12.210211][  T283]  ? netdev_notice (net/core/dev.c:13194)
[   12.210214][  T283]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[   12.210217][  T283]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554)
[   12.210219][  T283]  ? mark_held_locks (kernel/locking/lockdep.c:4341)
[   12.210223][  T283]  ? do_setlink.isra.0 (net/core/rtnetlink.c:3246)
[   12.210225][  T283]  netif_change_name.cold (net/core/dev.c:1507 (discriminator 3))
[   12.210228][  T283]  ? 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))
[   12.210234][  T283]  ? netdev_adjacent_rename_links (net/core/dev.c:9598)
[   12.210237][  T283]  ? __kernel_text_address (kernel/extable.c:79)
[   12.210240][  T283]  ? write_profile (profile.c:?)
[   12.210244][  T283]  ? __asan_memset (mm/kasan/shadow.c:84 (discriminator 1))
[   12.210249][  T283]  do_setlink.isra.0 (net/core/rtnetlink.c:3246)
[   12.210253][  T283]  ? stack_trace_save (kernel/stacktrace.c:122 (discriminator 1))
[   12.210255][  T283]  ? rtnl_link_get_size (net/core/rtnetlink.c:747)
[   12.210257][  T283]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:388 kernel/rcu/update.c:380)
[   12.210259][  T283]  ? stack_depot_save_flags (lib/stackdepot.c:609 (discriminator 2) lib/stackdepot.c:676 (discriminator 2))
[   12.210262][  T283]  ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4116 (discriminator 3) kernel/rcu/tree.c:4108 (discriminator 3))
[   12.210264][  T283]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380)
[   12.210266][  T283]  ? validate_chain (kernel/locking/lockdep.c:3817 (discriminator 2) kernel/locking/lockdep.c:3837 (discriminator 2) kernel/locking/lockdep.c:3892 (discriminator 2))
[   12.210269][  T283]  ? kasan_save_stack (mm/kasan/common.c:58)
[   12.210272][  T283]  ? kasan_save_stack (mm/kasan/common.c:57)
[   12.210273][  T283]  ? kasan_save_track (mm/kasan/common.c:78)
[   12.210276][  T283]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   12.210278][  T283]  ? netlink_update_listeners (net/netlink/af_netlink.c:532)
[   12.210281][  T283]  ? ___sys_sendmsg (net/socket.c:2744 net/socket.c:2763)
[   12.210286][  T283]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2))
[   12.210288][  T283]  ? rtnl_newlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:366 net/core/rtnetlink.c:4214)
[   12.210291][  T283]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   12.210293][  T283]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   12.210294][  T283]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   12.210296][  T283]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   12.210297][  T283]  ? trace_contention_end (./include/trace/events/lock.h:121 (discriminator 22))
[   12.210300][  T283]  ? __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)
[   12.210304][  T283]  ? __mutex_lock (kernel/locking/mutex.c:656 (discriminator 1) kernel/locking/mutex.c:821 (discriminator 1))
[   12.210306][  T283]  ? rtnl_newlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:366 net/core/rtnetlink.c:4214)
[   12.210309][  T283]  ? ww_mutex_lock (kernel/locking/mutex.c:934)
[   12.210311][  T283]  ? nla_get_range_signed (lib/nlattr.c:270)
[   12.210317][  T283]  ? __rtnl_newlink (net/core/rtnetlink.c:4063)
[   12.210322][  T283]  rtnl_newlink (net/core/rtnetlink.c:4215)
[   12.210327][  T283]  ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558)
[   12.210329][  T283]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   12.210333][  T283]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2))
[   12.210335][  T283]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[   12.210338][  T283]  ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558)
[   12.210339][  T283]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554)
[   12.210343][  T283]  ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558)
[   12.210345][  T283]  rtnetlink_rcv_msg (net/core/rtnetlink.c:7132)
[   12.210348][  T283]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   12.210349][  T283]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   12.210354][  T283]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2))
[   12.210356][  T283]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[   12.210359][  T283]  netlink_rcv_skb (net/netlink/af_netlink.c:2556)
[   12.210361][  T283]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   12.210364][  T283]  ? netlink_ack (./include/linux/skbuff.h:2718)
[   12.210370][  T283]  ? 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))
[   12.210371][  T283]  ? 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))
[   12.210375][  T283]  netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[   12.210379][  T283]  ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[   12.210382][  T283]  ? __lock_acquire (kernel/locking/lockdep.c:5251 (discriminator 3))
[   12.210386][  T283]  netlink_sendmsg (net/netlink/af_netlink.c:1900)
[   12.210390][  T283]  ? netlink_unicast (./include/net/net_namespace.h:422 (discriminator 7))
[   12.210391][  T283]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554)
[   12.210394][  T283]  ? __might_fault (mm/memory.c:7482 (discriminator 5))
[   12.210398][  T283]  ? __might_fault (mm/memory.c:7482 (discriminator 5))
[   12.210402][  T283]  ____sys_sendmsg (net/socket.c:800 (discriminator 4) net/socket.c:815 (discriminator 4) net/socket.c:2713 (discriminator 4))
[   12.210404][  T283]  ? copy_msghdr_from_user (net/socket.c:2650)
[   12.210406][  T283]  ? get_timestamp.constprop.0 (./include/linux/netdevice.h:5399)
[   12.210408][  T283]  ? move_addr_to_kernel (./include/linux/audit.h:354 (discriminator 1))
[   12.210415][  T283]  ___sys_sendmsg (net/socket.c:2767)
[   12.210418][  T283]  ? copy_msghdr_from_user (net/socket.c:2619)
[   12.210434][  T283]  __sys_sendmsg (net/socket.c:2799)
[   12.210437][  T283]  ? __sys_sendmsg_sock (net/socket.c:2780)
[   12.210443][  T283]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   12.210446][  T283]  do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84)
[   12.210449][  T283]  ? exc_page_fault (arch/x86/mm/fault.c:1489 (discriminator 3) arch/x86/mm/fault.c:1536 (discriminator 3))
[   12.210452][  T283]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[   12.210454][  T283] RIP: 0033:0x7f595e6a954e
[   12.210458][  T283] 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
[   12.210460][  T283] RSP: 002b:00007ffd7f3a6ea0 EFLAGS: 00000202 ORIG_RAX: 000000000000002e
[   12.210462][  T283] RAX: ffffffffffffffda RBX: 0000000000000003 RCX: 00007f595e6a954e
[   12.210464][  T283] RDX: 0000000000000000 RSI: 00007ffd7f3a6f50 RDI: 0000000000000005
[   12.210465][  T283] RBP: 00007ffd7f3a6eb0 R08: 0000000000000000 R09: 0000000000000000
[   12.210465][  T283] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a91617b
[   12.210466][  T283] R13: 00000000004a1620 R14: 0000000000000000 R15: 00007ffd7f3a7620
| [   13.223326][  T292] softirqs last disabled at (20290): netif_change_name (./include/linux/spinlock.h:353 ./include/linux/seqlock.h:908 net/core/dev.c:1499)
| [   13.223328][  T292] Preemption disabled at:
| [   13.223329][  T292] vprintk_emit (kernel/printk/printk.c:2471)
| [   13.223338][  T292] Tainted: [W]=WARN
[   13.223339][  T292] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   13.223341][  T292] Call Trace:
[   13.223342][  T292]  <TASK>
[   13.223344][  T292]  dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120)
[   13.223349][  T292]  ? vprintk_emit (kernel/printk/printk.c:2471)
[   13.223351][  T292]  __might_resched.cold (kernel/sched/core.c:9234)
[   13.223355][  T292]  ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3))
[   13.223358][  T292]  ? __kmalloc_noprof (./include/linux/sched/mm.h:317 mm/slub.c:4636 mm/slub.c:4974 mm/slub.c:5413 mm/slub.c:5439)
[   13.223363][  T292]  __kmalloc_noprof (./include/linux/sched/mm.h:322 (discriminator 2) mm/slub.c:4636 (discriminator 2) mm/slub.c:4974 (discriminator 2) mm/slub.c:5413 (discriminator 2) mm/slub.c:5439 (discriminator 2))
[   13.223366][  T292]  ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[   13.223372][  T292]  ? do_raw_spin_unlock (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:32 ./include/asm-generic/qspinlock.h:58 kernel/locking/spinlock_debug.c:101 kernel/locking/spinlock_debug.c:141)
[   13.223375][  T292]  alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[   13.223378][  T292]  put_chars (drivers/char/virtio_console.c:1176)
[   13.223381][  T292]  ? __send_to_port (drivers/char/virtio_console.c:654)
[   13.223385][  T292]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380)
[   13.223388][  T292]  ? validate_chain (kernel/locking/lockdep.c:3817 (discriminator 2) kernel/locking/lockdep.c:3837 (discriminator 2) kernel/locking/lockdep.c:3892 (discriminator 2))
[   13.223393][  T292]  hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2))
[   13.223397][  T292]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   13.223398][  T292]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   13.223403][  T292]  ? hvc_write (drivers/tty/hvc/hvc_console.c:501)
[   13.223406][  T292]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   13.223409][  T292]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   13.223413][  T292]  console_emit_next_record (kernel/printk/printk.c:3183)
[   13.223417][  T292]  ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20)
[   13.223418][  T292]  ? console_flush_one_record (./include/linux/rcupdate.h:314 (discriminator 2) ./include/linux/srcu.h:439 (discriminator 2) kernel/printk/printk.c:291 (discriminator 2) kernel/printk/printk.c:3246 (discriminator 2))
[   13.223421][  T292]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   13.223423][  T292]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   13.223427][  T292]  console_flush_one_record (kernel/printk/printk.c:3268)
[   13.223431][  T292]  ? console_emit_next_record (kernel/printk/printk.c:3150)
[   13.223432][  T292]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   13.223437][  T292]  console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420)
[   13.223440][  T292]  ? console_flush_one_record (kernel/printk/printk.c:3316)
[   13.223441][  T292]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   13.223443][  T292]  ? lock_acquire (kernel/locking/lockdep.c:5913)
[   13.223447][  T292]  ? __down_trylock_console_sem (kernel/printk/printk.c:334)
[   13.223449][  T292]  ? vprintk_emit (kernel/printk/printk.c:2478)
[   13.223452][  T292]  vprintk_emit (kernel/printk/printk.c:2479)
[   13.223455][  T292]  ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126))
[   13.223457][  T292]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   13.223459][  T292]  ? save_trace (kernel/locking/lockdep.c:154 (discriminator 6) kernel/locking/lockdep.c:150 (discriminator 6) kernel/locking/lockdep.c:202 (discriminator 6) kernel/locking/lockdep.c:577 (discriminator 6))
[   13.223461][  T292]  ? find_held_lock (kernel/locking/lockdep.c:5360)
[   13.223465][  T292]  _printk (kernel/printk/printk.c:2504)
[   13.223468][  T292]  ? snapshot_read.cold (user.c:?)
[   13.223470][  T292]  ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4116 (discriminator 3) kernel/rcu/tree.c:4108 (discriminator 3))
[   13.223473][  T292]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380)
[   13.223475][  T292]  ? validate_chain (kernel/locking/lockdep.c:3817 (discriminator 2) kernel/locking/lockdep.c:3837 (discriminator 2) kernel/locking/lockdep.c:3892 (discriminator 2))
[   13.223477][  T292]  ? netdev_name (./include/linux/netdevice.h:5709 (discriminator 1))
[   13.223480][  T292]  ? __netdev_printk (net/core/dev.c:13148 (discriminator 2))
[   13.223483][  T292]  ? do_setlink.isra.0 (net/core/rtnetlink.c:3246)
[   13.223485][  T292]  netdev_info (net/core/dev.c:13195 (discriminator 3))
[   13.223488][  T292]  ? netdev_notice (net/core/dev.c:13194)
[   13.223491][  T292]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[   13.223493][  T292]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554)
[   13.223496][  T292]  ? mark_held_locks (kernel/locking/lockdep.c:4341)
[   13.223500][  T292]  ? do_setlink.isra.0 (net/core/rtnetlink.c:3246)
[   13.223502][  T292]  netif_change_name.cold (net/core/dev.c:1507 (discriminator 3))
[   13.223505][  T292]  ? 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))
[   13.223511][  T292]  ? netdev_adjacent_rename_links (net/core/dev.c:9598)
[   13.223514][  T292]  ? __kernel_text_address (kernel/extable.c:79)
[   13.223517][  T292]  ? write_profile (profile.c:?)
[   13.223521][  T292]  ? __asan_memset (mm/kasan/shadow.c:84 (discriminator 1))
[   13.223526][  T292]  do_setlink.isra.0 (net/core/rtnetlink.c:3246)
[   13.223530][  T292]  ? stack_trace_save (kernel/stacktrace.c:122 (discriminator 1))
[   13.223532][  T292]  ? rtnl_link_get_size (net/core/rtnetlink.c:747)
[   13.223534][  T292]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:388 kernel/rcu/update.c:380)
[   13.223536][  T292]  ? stack_depot_save_flags (lib/stackdepot.c:609 (discriminator 2) lib/stackdepot.c:676 (discriminator 2))
[   13.223539][  T292]  ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4116 (discriminator 3) kernel/rcu/tree.c:4108 (discriminator 3))
[   13.223542][  T292]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380)
[   13.223543][  T292]  ? validate_chain (kernel/locking/lockdep.c:3817 (discriminator 2) kernel/locking/lockdep.c:3837 (discriminator 2) kernel/locking/lockdep.c:3892 (discriminator 2))
[   13.223546][  T292]  ? kasan_save_stack (mm/kasan/common.c:58)
[   13.223549][  T292]  ? kasan_save_stack (mm/kasan/common.c:57)
[   13.223551][  T292]  ? kasan_save_track (mm/kasan/common.c:78)
[   13.223553][  T292]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   13.223555][  T292]  ? netlink_update_listeners (net/netlink/af_netlink.c:532)
[   13.223558][  T292]  ? ___sys_sendmsg (net/socket.c:2744 net/socket.c:2763)
[   13.223563][  T292]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2))
[   13.223565][  T292]  ? rtnl_newlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:366 net/core/rtnetlink.c:4214)
[   13.223568][  T292]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   13.223570][  T292]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   13.223571][  T292]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   13.223573][  T292]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   13.223574][  T292]  ? trace_contention_end (./include/trace/events/lock.h:121 (discriminator 22))
[   13.223577][  T292]  ? __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)
[   13.223580][  T292]  ? __mutex_lock (kernel/locking/mutex.c:656 (discriminator 1) kernel/locking/mutex.c:821 (discriminator 1))
[   13.223583][  T292]  ? rtnl_newlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:366 net/core/rtnetlink.c:4214)
[   13.223586][  T292]  ? ww_mutex_lock (kernel/locking/mutex.c:934)
[   13.223588][  T292]  ? nla_get_range_signed (lib/nlattr.c:270)
[   13.223594][  T292]  ? __rtnl_newlink (net/core/rtnetlink.c:4063)
[   13.223599][  T292]  rtnl_newlink (net/core/rtnetlink.c:4215)
[   13.223604][  T292]  ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558)
[   13.223606][  T292]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   13.223611][  T292]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2))
[   13.223613][  T292]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[   13.223615][  T292]  ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558)
[   13.223617][  T292]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554)
[   13.223620][  T292]  ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558)
[   13.223622][  T292]  rtnetlink_rcv_msg (net/core/rtnetlink.c:7132)
[   13.223626][  T292]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   13.223627][  T292]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   13.223631][  T292]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2))
[   13.223633][  T292]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[   13.223637][  T292]  netlink_rcv_skb (net/netlink/af_netlink.c:2556)
[   13.223639][  T292]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   13.223642][  T292]  ? netlink_ack (./include/linux/skbuff.h:2718)
[   13.223648][  T292]  ? 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))
[   13.223649][  T292]  ? 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))
[   13.223653][  T292]  netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[   13.223657][  T292]  ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[   13.223660][  T292]  ? __lock_acquire (kernel/locking/lockdep.c:5251 (discriminator 3))
[   13.223670][  T292]  netlink_sendmsg (net/netlink/af_netlink.c:1900)
[   13.223674][  T292]  ? netlink_unicast (./include/net/net_namespace.h:422 (discriminator 7))
[   13.223675][  T292]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554)
[   13.223678][  T292]  ? __might_fault (mm/memory.c:7482 (discriminator 5))
[   13.223682][  T292]  ? __might_fault (mm/memory.c:7482 (discriminator 5))
[   13.223686][  T292]  ____sys_sendmsg (net/socket.c:800 (discriminator 4) net/socket.c:815 (discriminator 4) net/socket.c:2713 (discriminator 4))
[   13.223688][  T292]  ? copy_msghdr_from_user (net/socket.c:2650)
[   13.223691][  T292]  ? get_timestamp.constprop.0 (./include/linux/netdevice.h:5399)
[   13.223692][  T292]  ? move_addr_to_kernel (./include/linux/audit.h:354 (discriminator 1))
[   13.223699][  T292]  ___sys_sendmsg (net/socket.c:2767)
[   13.223702][  T292]  ? copy_msghdr_from_user (net/socket.c:2619)
[   13.223718][  T292]  __sys_sendmsg (net/socket.c:2799)
[   13.223721][  T292]  ? __sys_sendmsg_sock (net/socket.c:2780)
[   13.223727][  T292]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   13.223730][  T292]  do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84)
[   13.223733][  T292]  ? exc_page_fault (arch/x86/mm/fault.c:1489 (discriminator 3) arch/x86/mm/fault.c:1536 (discriminator 3))
[   13.223737][  T292]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[   13.223739][  T292] RIP: 0033:0x7f030389454e
[   13.223742][  T292] 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
[   13.223744][  T292] RSP: 002b:00007ffe94ca68c0 EFLAGS: 00000202 ORIG_RAX: 000000000000002e
[   13.223746][  T292] RAX: ffffffffffffffda RBX: 0000000000000003 RCX: 00007f030389454e
[   13.223748][  T292] RDX: 0000000000000000 RSI: 00007ffe94ca6970 RDI: 0000000000000005
[   13.223749][  T292] RBP: 00007ffe94ca68d0 R08: 0000000000000000 R09: 0000000000000000
[   13.223749][  T292] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a91617c
[   13.223750][  T292] R13: 00000000004a1620 R14: 0000000000000000 R15: 00007ffe94ca7040
| [   14.244980][  T301] softirqs last disabled at (15460): netif_change_name (./include/linux/spinlock.h:353 ./include/linux/seqlock.h:908 net/core/dev.c:1499)
| [   14.244983][  T301] Preemption disabled at:
| [   14.244983][  T301] vprintk_emit (kernel/printk/printk.c:2471)
| [   14.244992][  T301] Tainted: [W]=WARN
[   14.244993][  T301] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   14.244995][  T301] Call Trace:
[   14.244996][  T301]  <TASK>
[   14.244998][  T301]  dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120)
[   14.245003][  T301]  ? vprintk_emit (kernel/printk/printk.c:2471)
[   14.245004][  T301]  __might_resched.cold (kernel/sched/core.c:9234)
[   14.245009][  T301]  ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3))
[   14.245012][  T301]  ? __kmalloc_noprof (./include/linux/sched/mm.h:317 mm/slub.c:4636 mm/slub.c:4974 mm/slub.c:5413 mm/slub.c:5439)
[   14.245017][  T301]  __kmalloc_noprof (./include/linux/sched/mm.h:322 (discriminator 2) mm/slub.c:4636 (discriminator 2) mm/slub.c:4974 (discriminator 2) mm/slub.c:5413 (discriminator 2) mm/slub.c:5439 (discriminator 2))
[   14.245019][  T301]  ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[   14.245025][  T301]  ? do_raw_spin_unlock (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:32 ./include/asm-generic/qspinlock.h:58 kernel/locking/spinlock_debug.c:101 kernel/locking/spinlock_debug.c:141)
[   14.245028][  T301]  alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[   14.245032][  T301]  put_chars (drivers/char/virtio_console.c:1176)
[   14.245035][  T301]  ? __send_to_port (drivers/char/virtio_console.c:654)
[   14.245038][  T301]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380)
[   14.245042][  T301]  ? validate_chain (kernel/locking/lockdep.c:3817 (discriminator 2) kernel/locking/lockdep.c:3837 (discriminator 2) kernel/locking/lockdep.c:3892 (discriminator 2))
[   14.245047][  T301]  hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2))
[   14.245051][  T301]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   14.245053][  T301]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   14.245058][  T301]  ? hvc_write (drivers/tty/hvc/hvc_console.c:501)
[   14.245061][  T301]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   14.245063][  T301]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   14.245068][  T301]  console_emit_next_record (kernel/printk/printk.c:3183)
[   14.245071][  T301]  ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20)
[   14.245072][  T301]  ? console_flush_one_record (./include/linux/rcupdate.h:314 (discriminator 2) ./include/linux/srcu.h:439 (discriminator 2) kernel/printk/printk.c:291 (discriminator 2) kernel/printk/printk.c:3246 (discriminator 2))
[   14.245075][  T301]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   14.245077][  T301]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   14.245081][  T301]  console_flush_one_record (kernel/printk/printk.c:3268)
[   14.245085][  T301]  ? console_emit_next_record (kernel/printk/printk.c:3150)
[   14.245086][  T301]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   14.245092][  T301]  console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420)
[   14.245095][  T301]  ? console_flush_one_record (kernel/printk/printk.c:3316)
[   14.245097][  T301]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   14.245098][  T301]  ? lock_acquire (kernel/locking/lockdep.c:5913)
[   14.245102][  T301]  ? __down_trylock_console_sem (kernel/printk/printk.c:334)
[   14.245104][  T301]  ? vprintk_emit (kernel/printk/printk.c:2478)
[   14.245107][  T301]  vprintk_emit (kernel/printk/printk.c:2479)
[   14.245110][  T301]  ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126))
[   14.245112][  T301]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   14.245114][  T301]  ? save_trace (kernel/locking/lockdep.c:154 (discriminator 6) kernel/locking/lockdep.c:150 (discriminator 6) kernel/locking/lockdep.c:202 (discriminator 6) kernel/locking/lockdep.c:577 (discriminator 6))
[   14.245116][  T301]  ? find_held_lock (kernel/locking/lockdep.c:5360)
[   14.245120][  T301]  _printk (kernel/printk/printk.c:2504)
[   14.245124][  T301]  ? snapshot_read.cold (user.c:?)
[   14.245125][  T301]  ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4116 (discriminator 3) kernel/rcu/tree.c:4108 (discriminator 3))
[   14.245128][  T301]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380)
[   14.245130][  T301]  ? validate_chain (kernel/locking/lockdep.c:3817 (discriminator 2) kernel/locking/lockdep.c:3837 (discriminator 2) kernel/locking/lockdep.c:3892 (discriminator 2))
[   14.245133][  T301]  ? netdev_name (./include/linux/netdevice.h:5709 (discriminator 1))
[   14.245136][  T301]  ? __netdev_printk (net/core/dev.c:13148 (discriminator 2))
[   14.245140][  T301]  ? do_setlink.isra.0 (net/core/rtnetlink.c:3246)
[   14.245143][  T301]  netdev_info (net/core/dev.c:13195 (discriminator 3))
[   14.245145][  T301]  ? netdev_notice (net/core/dev.c:13194)
[   14.245148][  T301]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[   14.245151][  T301]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554)
[   14.245154][  T301]  ? mark_held_locks (kernel/locking/lockdep.c:4341)
[   14.245157][  T301]  ? do_setlink.isra.0 (net/core/rtnetlink.c:3246)
[   14.245159][  T301]  netif_change_name.cold (net/core/dev.c:1507 (discriminator 3))
[   14.245163][  T301]  ? is_bpf_text_address (./include/linux/rcupdate.h:319 (discriminator 2) ./include/linux/rcupdate.h:880 (discriminator 2) kernel/bpf/core.c:751 (discriminator 2))
[   14.245169][  T301]  ? netdev_adjacent_rename_links (net/core/dev.c:9598)
[   14.245171][  T301]  ? __kernel_text_address (kernel/extable.c:79)
[   14.245175][  T301]  ? write_profile (profile.c:?)
[   14.245179][  T301]  ? __asan_memset (mm/kasan/shadow.c:84 (discriminator 1))
[   14.245184][  T301]  do_setlink.isra.0 (net/core/rtnetlink.c:3246)
[   14.245188][  T301]  ? stack_trace_save (kernel/stacktrace.c:122 (discriminator 1))
[   14.245190][  T301]  ? rtnl_link_get_size (net/core/rtnetlink.c:747)
[   14.245191][  T301]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:388 kernel/rcu/update.c:380)
[   14.245193][  T301]  ? stack_depot_save_flags (lib/stackdepot.c:609 (discriminator 2) lib/stackdepot.c:676 (discriminator 2))
[   14.245197][  T301]  ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4116 (discriminator 3) kernel/rcu/tree.c:4108 (discriminator 3))
[   14.245199][  T301]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380)
[   14.245201][  T301]  ? validate_chain (kernel/locking/lockdep.c:3817 (discriminator 2) kernel/locking/lockdep.c:3837 (discriminator 2) kernel/locking/lockdep.c:3892 (discriminator 2))
[   14.245204][  T301]  ? kasan_save_stack (mm/kasan/common.c:58)
[   14.245207][  T301]  ? kasan_save_stack (mm/kasan/common.c:57)
[   14.245209][  T301]  ? kasan_save_track (mm/kasan/common.c:78)
[   14.245211][  T301]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   14.245213][  T301]  ? netlink_update_listeners (net/netlink/af_netlink.c:532)
[   14.245216][  T301]  ? ___sys_sendmsg (net/socket.c:2744 net/socket.c:2763)
[   14.245221][  T301]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2))
[   14.245223][  T301]  ? rtnl_newlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:366 net/core/rtnetlink.c:4214)
[   14.245226][  T301]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   14.245228][  T301]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   14.245229][  T301]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   14.245231][  T301]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   14.245233][  T301]  ? trace_contention_end (./include/trace/events/lock.h:121 (discriminator 22))
[   14.245235][  T301]  ? __mutex_lock (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:3188 kernel/locking/mutex.c:89 kernel/locking/mutex.c:134 kernel/locking/mutex.c:649 kernel/locking/mutex.c:821)
[   14.245238][  T301]  ? __mutex_lock (kernel/locking/mutex.c:656 (discriminator 1) kernel/locking/mutex.c:821 (discriminator 1))
[   14.245241][  T301]  ? rtnl_newlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:366 net/core/rtnetlink.c:4214)
[   14.245244][  T301]  ? ww_mutex_lock (kernel/locking/mutex.c:934)
[   14.245246][  T301]  ? nla_get_range_signed (lib/nlattr.c:270)
[   14.245252][  T301]  ? __rtnl_newlink (net/core/rtnetlink.c:4063)
[   14.245257][  T301]  rtnl_newlink (net/core/rtnetlink.c:4215)
[   14.245262][  T301]  ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558)
[   14.245264][  T301]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   14.245269][  T301]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2))
[   14.245271][  T301]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[   14.245273][  T301]  ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558)
[   14.245275][  T301]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554)
[   14.245279][  T301]  ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558)
[   14.245281][  T301]  rtnetlink_rcv_msg (net/core/rtnetlink.c:7132)
[   14.245284][  T301]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   14.245285][  T301]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   14.245290][  T301]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2))
[   14.245292][  T301]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[   14.245296][  T301]  netlink_rcv_skb (net/netlink/af_netlink.c:2556)
[   14.245297][  T301]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   14.245300][  T301]  ? netlink_ack (./include/linux/skbuff.h:2718)
[   14.245306][  T301]  ? netlink_deliver_tap (./include/linux/rcupdate.h:319 (discriminator 2) ./include/linux/rcupdate.h:880 (discriminator 2) ./include/net/netns/generic.h:48 (discriminator 2) net/netlink/af_netlink.c:334 (discriminator 2))
[   14.245308][  T301]  ? netlink_deliver_tap (./include/linux/rcupdate.h:319 (discriminator 2) ./include/linux/rcupdate.h:880 (discriminator 2) net/netlink/af_netlink.c:341 (discriminator 2))
[   14.245312][  T301]  netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[   14.245316][  T301]  ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[   14.245319][  T301]  ? __lock_acquire (kernel/locking/lockdep.c:5251 (discriminator 3))
[   14.245323][  T301]  netlink_sendmsg (net/netlink/af_netlink.c:1900)
[   14.245327][  T301]  ? netlink_unicast (./include/net/net_namespace.h:422 (discriminator 7))
[   14.245328][  T301]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554)
[   14.245331][  T301]  ? __might_fault (mm/memory.c:7482 (discriminator 5))
[   14.245335][  T301]  ? __might_fault (mm/memory.c:7482 (discriminator 5))
[   14.245339][  T301]  ____sys_sendmsg (net/socket.c:800 (discriminator 4) net/socket.c:815 (discriminator 4) net/socket.c:2713 (discriminator 4))
[   14.245341][  T301]  ? copy_msghdr_from_user (net/socket.c:2650)
[   14.245343][  T301]  ? get_timestamp.constprop.0 (./include/linux/netdevice.h:5399)
[   14.245345][  T301]  ? move_addr_to_kernel (./include/linux/audit.h:354 (discriminator 1))
[   14.245352][  T301]  ___sys_sendmsg (net/socket.c:2767)
[   14.245355][  T301]  ? copy_msghdr_from_user (net/socket.c:2619)
[   14.245371][  T301]  __sys_sendmsg (net/socket.c:2799)
[   14.245375][  T301]  ? __sys_sendmsg_sock (net/socket.c:2780)
[   14.245381][  T301]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   14.245384][  T301]  do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84)
[   14.245387][  T301]  ? exc_page_fault (arch/x86/mm/fault.c:1489 (discriminator 3) arch/x86/mm/fault.c:1536 (discriminator 3))
[   14.245390][  T301]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[   14.245392][  T301] RIP: 0033:0x7f036c57f54e
[   14.245396][  T301] Code: 4d 89 d8 e8 b4 bd 00 00 4c 8b 5d f8 41 8b 93 08 03 00 00 59 5e 48 83 f8 fc 74 11 c9 c3 0f 1f 80 00 00 00 00 48 8b 45 10 0f 05 <c9> c3 83 e2 39 83 fa 08 75 e7 e8 03 ff ff ff 0f 1f 00 f3 0f 1e fa
All code
========
   0:	4d 89 d8             	mov    %r11,%r8
   3:	e8 b4 bd 00 00       	call   0xbdbc
   8:	4c 8b 5d f8          	mov    -0x8(%rbp),%r11
   c:	41 8b 93 08 03 00 00 	mov    0x308(%r11),%edx
  13:	59                   	pop    %rcx
  14:	5e                   	pop    %rsi
  15:	48 83 f8 fc          	cmp    $0xfffffffffffffffc,%rax
  19:	74 11                	je     0x2c
  1b:	c9                   	leave
  1c:	c3                   	ret
  1d:	0f 1f 80 00 00 00 00 	nopl   0x0(%rax)
  24:	48 8b 45 10          	mov    0x10(%rbp),%rax
  28:	0f 05                	syscall
  2a:*	c9                   	leave		<-- trapping instruction
  2b:	c3                   	ret
  2c:	83 e2 39             	and    $0x39,%edx
  2f:	83 fa 08             	cmp    $0x8,%edx
  32:	75 e7                	jne    0x1b
  34:	e8 03 ff ff ff       	call   0xffffffffffffff3c
  39:	0f 1f 00             	nopl   (%rax)
  3c:	f3 0f 1e fa          	endbr64

Code starting with the faulting instruction
===========================================
   0:	c9                   	leave
   1:	c3                   	ret
   2:	83 e2 39             	and    $0x39,%edx
   5:	83 fa 08             	cmp    $0x8,%edx
   8:	75 e7                	jne    0xfffffffffffffff1
   a:	e8 03 ff ff ff       	call   0xffffffffffffff12
   f:	0f 1f 00             	nopl   (%rax)
  12:	f3 0f 1e fa          	endbr64
[   14.245398][  T301] RSP: 002b:00007ffdb6dc1060 EFLAGS: 00000202 ORIG_RAX: 000000000000002e
[   14.245401][  T301] RAX: ffffffffffffffda RBX: 0000000000000003 RCX: 00007f036c57f54e
[   14.245402][  T301] RDX: 0000000000000000 RSI: 00007ffdb6dc1110 RDI: 0000000000000005
[   14.245403][  T301] RBP: 00007ffdb6dc1070 R08: 0000000000000000 R09: 0000000000000000
[   14.245404][  T301] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a91617d
[   14.245405][  T301] R13: 00000000004a1620 R14: 0000000000000000 R15: 00007ffdb6dc17e0
| [   15.290765][  T309] softirqs last disabled at (30176): netif_change_name (./include/linux/spinlock.h:353 ./include/linux/seqlock.h:908 net/core/dev.c:1499)
| [   15.290768][  T309] Preemption disabled at:
| [   15.290768][  T309] vprintk_emit (kernel/printk/printk.c:2471)
| [   15.290778][  T309] Tainted: [W]=WARN
[   15.290778][  T309] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   15.290780][  T309] Call Trace:
[   15.290782][  T309]  <TASK>
[   15.290783][  T309]  dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120)
[   15.290788][  T309]  ? vprintk_emit (kernel/printk/printk.c:2471)
[   15.290790][  T309]  __might_resched.cold (kernel/sched/core.c:9234)
[   15.290795][  T309]  ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3))
[   15.290799][  T309]  ? __kmalloc_noprof (./include/linux/sched/mm.h:317 mm/slub.c:4636 mm/slub.c:4974 mm/slub.c:5413 mm/slub.c:5439)
[   15.290804][  T309]  __kmalloc_noprof (./include/linux/sched/mm.h:322 (discriminator 2) mm/slub.c:4636 (discriminator 2) mm/slub.c:4974 (discriminator 2) mm/slub.c:5413 (discriminator 2) mm/slub.c:5439 (discriminator 2))
[   15.290807][  T309]  ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[   15.290814][  T309]  ? do_raw_spin_unlock (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:32 ./include/asm-generic/qspinlock.h:58 kernel/locking/spinlock_debug.c:101 kernel/locking/spinlock_debug.c:141)
[   15.290818][  T309]  alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[   15.290822][  T309]  put_chars (drivers/char/virtio_console.c:1176)
[   15.290825][  T309]  ? __send_to_port (drivers/char/virtio_console.c:654)
[   15.290830][  T309]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380)
[   15.290833][  T309]  ? validate_chain (kernel/locking/lockdep.c:3817 (discriminator 2) kernel/locking/lockdep.c:3837 (discriminator 2) kernel/locking/lockdep.c:3892 (discriminator 2))
[   15.290839][  T309]  hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2))
[   15.290842][  T309]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   15.290844][  T309]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   15.290850][  T309]  ? hvc_write (drivers/tty/hvc/hvc_console.c:501)
[   15.290853][  T309]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   15.290856][  T309]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   15.290861][  T309]  console_emit_next_record (kernel/printk/printk.c:3183)
[   15.290865][  T309]  ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20)
[   15.290866][  T309]  ? console_flush_one_record (./include/linux/rcupdate.h:314 (discriminator 2) ./include/linux/srcu.h:439 (discriminator 2) kernel/printk/printk.c:291 (discriminator 2) kernel/printk/printk.c:3246 (discriminator 2))
[   15.290869][  T309]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   15.290871][  T309]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   15.290876][  T309]  console_flush_one_record (kernel/printk/printk.c:3268)
[   15.290880][  T309]  ? console_emit_next_record (kernel/printk/printk.c:3150)
[   15.290882][  T309]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   15.290888][  T309]  console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420)
[   15.290890][  T309]  ? console_flush_one_record (kernel/printk/printk.c:3316)
[   15.290892][  T309]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   15.290894][  T309]  ? lock_acquire (kernel/locking/lockdep.c:5913)
[   15.290898][  T309]  ? __down_trylock_console_sem (kernel/printk/printk.c:334)
[   15.290900][  T309]  ? vprintk_emit (kernel/printk/printk.c:2478)
[   15.290904][  T309]  vprintk_emit (kernel/printk/printk.c:2479)
[   15.290907][  T309]  ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126))
[   15.290910][  T309]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   15.290912][  T309]  ? save_trace (kernel/locking/lockdep.c:154 (discriminator 6) kernel/locking/lockdep.c:150 (discriminator 6) kernel/locking/lockdep.c:202 (discriminator 6) kernel/locking/lockdep.c:577 (discriminator 6))
[   15.290914][  T309]  ? find_held_lock (kernel/locking/lockdep.c:5360)
[   15.290918][  T309]  _printk (kernel/printk/printk.c:2504)
[   15.290922][  T309]  ? snapshot_read.cold (user.c:?)
[   15.290924][  T309]  ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4116 (discriminator 3) kernel/rcu/tree.c:4108 (discriminator 3))
[   15.290927][  T309]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380)
[   15.290929][  T309]  ? validate_chain (kernel/locking/lockdep.c:3817 (discriminator 2) kernel/locking/lockdep.c:3837 (discriminator 2) kernel/locking/lockdep.c:3892 (discriminator 2))
[   15.290932][  T309]  ? netdev_name (./include/linux/netdevice.h:5709 (discriminator 1))
[   15.290935][  T309]  ? __netdev_printk (net/core/dev.c:13148 (discriminator 2))
[   15.290938][  T309]  ? do_setlink.isra.0 (net/core/rtnetlink.c:3246)
[   15.290940][  T309]  netdev_info (net/core/dev.c:13195 (discriminator 3))
[   15.290943][  T309]  ? netdev_notice (net/core/dev.c:13194)
[   15.290946][  T309]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[   15.290949][  T309]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554)
[   15.290952][  T309]  ? mark_held_locks (kernel/locking/lockdep.c:4341)
[   15.290956][  T309]  ? do_setlink.isra.0 (net/core/rtnetlink.c:3246)
[   15.290959][  T309]  netif_change_name.cold (net/core/dev.c:1507 (discriminator 3))
[   15.290962][  T309]  ? is_bpf_text_address (./include/linux/rcupdate.h:319 (discriminator 2) ./include/linux/rcupdate.h:880 (discriminator 2) kernel/bpf/core.c:751 (discriminator 2))
[   15.290969][  T309]  ? netdev_adjacent_rename_links (net/core/dev.c:9598)
[   15.290972][  T309]  ? __kernel_text_address (kernel/extable.c:79)
[   15.290975][  T309]  ? write_profile (profile.c:?)
[   15.290979][  T309]  ? __asan_memset (mm/kasan/shadow.c:84 (discriminator 1))
[   15.290985][  T309]  do_setlink.isra.0 (net/core/rtnetlink.c:3246)
[   15.290989][  T309]  ? stack_trace_save (kernel/stacktrace.c:122 (discriminator 1))
[   15.290992][  T309]  ? rtnl_link_get_size (net/core/rtnetlink.c:747)
[   15.290993][  T309]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:388 kernel/rcu/update.c:380)
[   15.290995][  T309]  ? stack_depot_save_flags (lib/stackdepot.c:609 (discriminator 2) lib/stackdepot.c:676 (discriminator 2))
[   15.290999][  T309]  ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4116 (discriminator 3) kernel/rcu/tree.c:4108 (discriminator 3))
[   15.291002][  T309]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380)
[   15.291004][  T309]  ? validate_chain (kernel/locking/lockdep.c:3817 (discriminator 2) kernel/locking/lockdep.c:3837 (discriminator 2) kernel/locking/lockdep.c:3892 (discriminator 2))
[   15.291007][  T309]  ? kasan_save_stack (mm/kasan/common.c:58)
[   15.291010][  T309]  ? kasan_save_stack (mm/kasan/common.c:57)
[   15.291012][  T309]  ? kasan_save_track (mm/kasan/common.c:78)
[   15.291015][  T309]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   15.291017][  T309]  ? netlink_update_listeners (net/netlink/af_netlink.c:532)
[   15.291020][  T309]  ? ___sys_sendmsg (net/socket.c:2744 net/socket.c:2763)
[   15.291026][  T309]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2))
[   15.291028][  T309]  ? rtnl_newlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:366 net/core/rtnetlink.c:4214)
[   15.291031][  T309]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   15.291033][  T309]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   15.291035][  T309]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   15.291036][  T309]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   15.291039][  T309]  ? trace_contention_end (./include/trace/events/lock.h:121 (discriminator 22))
[   15.291042][  T309]  ? __mutex_lock (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:3188 kernel/locking/mutex.c:89 kernel/locking/mutex.c:134 kernel/locking/mutex.c:649 kernel/locking/mutex.c:821)
[   15.291045][  T309]  ? __mutex_lock (kernel/locking/mutex.c:656 (discriminator 1) kernel/locking/mutex.c:821 (discriminator 1))
[   15.291048][  T309]  ? rtnl_newlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:366 net/core/rtnetlink.c:4214)
[   15.291052][  T309]  ? ww_mutex_lock (kernel/locking/mutex.c:934)
[   15.291054][  T309]  ? nla_get_range_signed (lib/nlattr.c:270)
[   15.291061][  T309]  ? __rtnl_newlink (net/core/rtnetlink.c:4063)
[   15.291067][  T309]  rtnl_newlink (net/core/rtnetlink.c:4215)
[   15.291073][  T309]  ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558)
[   15.291075][  T309]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   15.291081][  T309]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2))
[   15.291083][  T309]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[   15.291085][  T309]  ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558)
[   15.291087][  T309]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554)
[   15.291092][  T309]  ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558)
[   15.291094][  T309]  rtnetlink_rcv_msg (net/core/rtnetlink.c:7132)
[   15.291098][  T309]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   15.291099][  T309]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   15.291104][  T309]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2))
[   15.291107][  T309]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[   15.291111][  T309]  netlink_rcv_skb (net/netlink/af_netlink.c:2556)
[   15.291113][  T309]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   15.291116][  T309]  ? netlink_ack (./include/linux/skbuff.h:2718)
[   15.291123][  T309]  ? netlink_deliver_tap (./include/linux/rcupdate.h:319 (discriminator 2) ./include/linux/rcupdate.h:880 (discriminator 2) ./include/net/netns/generic.h:48 (discriminator 2) net/netlink/af_netlink.c:334 (discriminator 2))
[   15.291125][  T309]  ? netlink_deliver_tap (./include/linux/rcupdate.h:319 (discriminator 2) ./include/linux/rcupdate.h:880 (discriminator 2) net/netlink/af_netlink.c:341 (discriminator 2))
[   15.291130][  T309]  netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[   15.291134][  T309]  ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[   15.291137][  T309]  ? __lock_acquire (kernel/locking/lockdep.c:5251 (discriminator 3))
[   15.291143][  T309]  netlink_sendmsg (net/netlink/af_netlink.c:1900)
[   15.291147][  T309]  ? netlink_unicast (./include/net/net_namespace.h:422 (discriminator 7))
[   15.291149][  T309]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554)
[   15.291152][  T309]  ? __might_fault (mm/memory.c:7482 (discriminator 5))
[   15.291156][  T309]  ? __might_fault (mm/memory.c:7482 (discriminator 5))
[   15.291161][  T309]  ____sys_sendmsg (net/socket.c:800 (discriminator 4) net/socket.c:815 (discriminator 4) net/socket.c:2713 (discriminator 4))
[   15.291163][  T309]  ? copy_msghdr_from_user (net/socket.c:2650)
[   15.291166][  T309]  ? get_timestamp.constprop.0 (./include/linux/netdevice.h:5399)
[   15.291167][  T309]  ? move_addr_to_kernel (./include/linux/audit.h:354 (discriminator 1))
[   15.291175][  T309]  ___sys_sendmsg (net/socket.c:2767)
[   15.291178][  T309]  ? copy_msghdr_from_user (net/socket.c:2619)
[   15.291196][  T309]  __sys_sendmsg (net/socket.c:2799)
[   15.291200][  T309]  ? __sys_sendmsg_sock (net/socket.c:2780)
[   15.291207][  T309]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   15.291210][  T309]  do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84)
[   15.291213][  T309]  ? exc_page_fault (arch/x86/mm/fault.c:1489 (discriminator 3) arch/x86/mm/fault.c:1536 (discriminator 3))
[   15.291217][  T309]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[   15.291219][  T309] RIP: 0033:0x7f10c8a4554e
[   15.291223][  T309] Code: 4d 89 d8 e8 b4 bd 00 00 4c 8b 5d f8 41 8b 93 08 03 00 00 59 5e 48 83 f8 fc 74 11 c9 c3 0f 1f 80 00 00 00 00 48 8b 45 10 0f 05 <c9> c3 83 e2 39 83 fa 08 75 e7 e8 03 ff ff ff 0f 1f 00 f3 0f 1e fa
All code
========
   0:	4d 89 d8             	mov    %r11,%r8
   3:	e8 b4 bd 00 00       	call   0xbdbc
   8:	4c 8b 5d f8          	mov    -0x8(%rbp),%r11
   c:	41 8b 93 08 03 00 00 	mov    0x308(%r11),%edx
  13:	59                   	pop    %rcx
  14:	5e                   	pop    %rsi
  15:	48 83 f8 fc          	cmp    $0xfffffffffffffffc,%rax
  19:	74 11                	je     0x2c
  1b:	c9                   	leave
  1c:	c3                   	ret
  1d:	0f 1f 80 00 00 00 00 	nopl   0x0(%rax)
  24:	48 8b 45 10          	mov    0x10(%rbp),%rax
  28:	0f 05                	syscall
  2a:*	c9                   	leave		<-- trapping instruction
  2b:	c3                   	ret
  2c:	83 e2 39             	and    $0x39,%edx
  2f:	83 fa 08             	cmp    $0x8,%edx
  32:	75 e7                	jne    0x1b
  34:	e8 03 ff ff ff       	call   0xffffffffffffff3c
  39:	0f 1f 00             	nopl   (%rax)
  3c:	f3 0f 1e fa          	endbr64

Code starting with the faulting instruction
===========================================
   0:	c9                   	leave
   1:	c3                   	ret
   2:	83 e2 39             	and    $0x39,%edx
   5:	83 fa 08             	cmp    $0x8,%edx
   8:	75 e7                	jne    0xfffffffffffffff1
   a:	e8 03 ff ff ff       	call   0xffffffffffffff12
   f:	0f 1f 00             	nopl   (%rax)
  12:	f3 0f 1e fa          	endbr64
[   15.291225][  T309] RSP: 002b:00007ffffcce4440 EFLAGS: 00000202 ORIG_RAX: 000000000000002e
[   15.291227][  T309] RAX: ffffffffffffffda RBX: 0000000000000003 RCX: 00007f10c8a4554e
[   15.291229][  T309] RDX: 0000000000000000 RSI: 00007ffffcce44f0 RDI: 0000000000000005
[   15.291230][  T309] RBP: 00007ffffcce4450 R08: 0000000000000000 R09: 0000000000000000
[   15.291231][  T309] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a91617e
[   15.291231][  T309] R13: 00000000004a1620 R14: 0000000000000000 R15: 00007ffffcce4bc0
| [   16.457643][  T320] softirqs last disabled at (36658): netif_change_name (./include/linux/spinlock.h:353 ./include/linux/seqlock.h:908 net/core/dev.c:1499)
| [   16.457646][  T320] Preemption disabled at:
| [   16.457647][  T320] vprintk_emit (kernel/printk/printk.c:2471)
| [   16.457655][  T320] Tainted: [W]=WARN
[   16.457656][  T320] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   16.457658][  T320] Call Trace:
[   16.457659][  T320]  <TASK>
[   16.457661][  T320]  dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120)
[   16.457666][  T320]  ? vprintk_emit (kernel/printk/printk.c:2471)
[   16.457667][  T320]  __might_resched.cold (kernel/sched/core.c:9234)
[   16.457672][  T320]  ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3))
[   16.457682][  T320]  ? __kmalloc_noprof (./include/linux/sched/mm.h:317 mm/slub.c:4636 mm/slub.c:4974 mm/slub.c:5413 mm/slub.c:5439)
[   16.457687][  T320]  __kmalloc_noprof (./include/linux/sched/mm.h:322 (discriminator 2) mm/slub.c:4636 (discriminator 2) mm/slub.c:4974 (discriminator 2) mm/slub.c:5413 (discriminator 2) mm/slub.c:5439 (discriminator 2))
[   16.457689][  T320]  ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[   16.457695][  T320]  ? do_raw_spin_unlock (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:32 ./include/asm-generic/qspinlock.h:58 kernel/locking/spinlock_debug.c:101 kernel/locking/spinlock_debug.c:141)
[   16.457699][  T320]  alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[   16.457702][  T320]  put_chars (drivers/char/virtio_console.c:1176)
[   16.457705][  T320]  ? __send_to_port (drivers/char/virtio_console.c:654)
[   16.457708][  T320]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380)
[   16.457712][  T320]  ? validate_chain (kernel/locking/lockdep.c:3817 (discriminator 2) kernel/locking/lockdep.c:3837 (discriminator 2) kernel/locking/lockdep.c:3892 (discriminator 2))
[   16.457717][  T320]  hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2))
[   16.457721][  T320]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   16.457722][  T320]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   16.457727][  T320]  ? hvc_write (drivers/tty/hvc/hvc_console.c:501)
[   16.457730][  T320]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   16.457733][  T320]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   16.457737][  T320]  console_emit_next_record (kernel/printk/printk.c:3183)
[   16.457741][  T320]  ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20)
[   16.457742][  T320]  ? console_flush_one_record (./include/linux/rcupdate.h:314 (discriminator 2) ./include/linux/srcu.h:439 (discriminator 2) kernel/printk/printk.c:291 (discriminator 2) kernel/printk/printk.c:3246 (discriminator 2))
[   16.457745][  T320]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   16.457746][  T320]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   16.457751][  T320]  console_flush_one_record (kernel/printk/printk.c:3268)
[   16.457754][  T320]  ? console_emit_next_record (kernel/printk/printk.c:3150)
[   16.457756][  T320]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   16.457761][  T320]  console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420)
[   16.457764][  T320]  ? console_flush_one_record (kernel/printk/printk.c:3316)
[   16.457765][  T320]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   16.457767][  T320]  ? lock_acquire (kernel/locking/lockdep.c:5913)
[   16.457770][  T320]  ? __down_trylock_console_sem (kernel/printk/printk.c:334)
[   16.457772][  T320]  ? vprintk_emit (kernel/printk/printk.c:2478)
[   16.457775][  T320]  vprintk_emit (kernel/printk/printk.c:2479)
[   16.457778][  T320]  ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126))
[   16.457780][  T320]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   16.457782][  T320]  ? save_trace (kernel/locking/lockdep.c:154 (discriminator 6) kernel/locking/lockdep.c:150 (discriminator 6) kernel/locking/lockdep.c:202 (discriminator 6) kernel/locking/lockdep.c:577 (discriminator 6))
[   16.457784][  T320]  ? find_held_lock (kernel/locking/lockdep.c:5360)
[   16.457788][  T320]  _printk (kernel/printk/printk.c:2504)
[   16.457792][  T320]  ? snapshot_read.cold (user.c:?)
[   16.457794][  T320]  ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4116 (discriminator 3) kernel/rcu/tree.c:4108 (discriminator 3))
[   16.457797][  T320]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380)
[   16.457799][  T320]  ? validate_chain (kernel/locking/lockdep.c:3817 (discriminator 2) kernel/locking/lockdep.c:3837 (discriminator 2) kernel/locking/lockdep.c:3892 (discriminator 2))
[   16.457801][  T320]  ? netdev_name (./include/linux/netdevice.h:5709 (discriminator 1))
[   16.457804][  T320]  ? __netdev_printk (net/core/dev.c:13148 (discriminator 2))
[   16.457807][  T320]  ? do_setlink.isra.0 (net/core/rtnetlink.c:3246)
[   16.457809][  T320]  netdev_info (net/core/dev.c:13195 (discriminator 3))
[   16.457812][  T320]  ? netdev_notice (net/core/dev.c:13194)
[   16.457814][  T320]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[   16.457817][  T320]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554)
[   16.457820][  T320]  ? mark_held_locks (kernel/locking/lockdep.c:4341)
[   16.457824][  T320]  ? do_setlink.isra.0 (net/core/rtnetlink.c:3246)
[   16.457826][  T320]  netif_change_name.cold (net/core/dev.c:1507 (discriminator 3))
[   16.457829][  T320]  ? is_bpf_text_address (./include/linux/rcupdate.h:319 (discriminator 2) ./include/linux/rcupdate.h:880 (discriminator 2) kernel/bpf/core.c:751 (discriminator 2))
[   16.457835][  T320]  ? netdev_adjacent_rename_links (net/core/dev.c:9598)
[   16.457837][  T320]  ? __kernel_text_address (kernel/extable.c:79)
[   16.457840][  T320]  ? write_profile (profile.c:?)
[   16.457844][  T320]  ? __asan_memset (mm/kasan/shadow.c:84 (discriminator 1))
[   16.457849][  T320]  do_setlink.isra.0 (net/core/rtnetlink.c:3246)
[   16.457853][  T320]  ? stack_trace_save (kernel/stacktrace.c:122 (discriminator 1))
[   16.457856][  T320]  ? rtnl_link_get_size (net/core/rtnetlink.c:747)
[   16.457857][  T320]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:388 kernel/rcu/update.c:380)
[   16.457859][  T320]  ? stack_depot_save_flags (lib/stackdepot.c:609 (discriminator 2) lib/stackdepot.c:676 (discriminator 2))
[   16.457863][  T320]  ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4116 (discriminator 3) kernel/rcu/tree.c:4108 (discriminator 3))
[   16.457865][  T320]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380)
[   16.457867][  T320]  ? validate_chain (kernel/locking/lockdep.c:3817 (discriminator 2) kernel/locking/lockdep.c:3837 (discriminator 2) kernel/locking/lockdep.c:3892 (discriminator 2))
[   16.457869][  T320]  ? kasan_save_stack (mm/kasan/common.c:58)
[   16.457872][  T320]  ? kasan_save_stack (mm/kasan/common.c:57)
[   16.457874][  T320]  ? kasan_save_track (mm/kasan/common.c:78)
[   16.457877][  T320]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   16.457879][  T320]  ? netlink_update_listeners (net/netlink/af_netlink.c:532)
[   16.457881][  T320]  ? ___sys_sendmsg (net/socket.c:2744 net/socket.c:2763)
[   16.457886][  T320]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2))
[   16.457888][  T320]  ? rtnl_newlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:366 net/core/rtnetlink.c:4214)
[   16.457891][  T320]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   16.457893][  T320]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   16.457895][  T320]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   16.457896][  T320]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   16.457898][  T320]  ? trace_contention_end (./include/trace/events/lock.h:121 (discriminator 22))
[   16.457900][  T320]  ? __mutex_lock (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:3188 kernel/locking/mutex.c:89 kernel/locking/mutex.c:134 kernel/locking/mutex.c:649 kernel/locking/mutex.c:821)
[   16.457903][  T320]  ? __mutex_lock (kernel/locking/mutex.c:656 (discriminator 1) kernel/locking/mutex.c:821 (discriminator 1))
[   16.457906][  T320]  ? rtnl_newlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:366 net/core/rtnetlink.c:4214)
[   16.457909][  T320]  ? ww_mutex_lock (kernel/locking/mutex.c:934)
[   16.457911][  T320]  ? nla_get_range_signed (lib/nlattr.c:270)
[   16.457917][  T320]  ? __rtnl_newlink (net/core/rtnetlink.c:4063)
[   16.457922][  T320]  rtnl_newlink (net/core/rtnetlink.c:4215)
[   16.457927][  T320]  ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558)
[   16.457929][  T320]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   16.457934][  T320]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2))
[   16.457936][  T320]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[   16.457938][  T320]  ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558)
[   16.457940][  T320]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554)
[   16.457943][  T320]  ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558)
[   16.457945][  T320]  rtnetlink_rcv_msg (net/core/rtnetlink.c:7132)
[   16.457949][  T320]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   16.457950][  T320]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   16.457955][  T320]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2))
[   16.457957][  T320]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[   16.457960][  T320]  netlink_rcv_skb (net/netlink/af_netlink.c:2556)
[   16.457962][  T320]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   16.457965][  T320]  ? netlink_ack (./include/linux/skbuff.h:2718)
[   16.457971][  T320]  ? netlink_deliver_tap (./include/linux/rcupdate.h:319 (discriminator 2) ./include/linux/rcupdate.h:880 (discriminator 2) ./include/net/netns/generic.h:48 (discriminator 2) net/netlink/af_netlink.c:334 (discriminator 2))
[   16.457972][  T320]  ? netlink_deliver_tap (./include/linux/rcupdate.h:319 (discriminator 2) ./include/linux/rcupdate.h:880 (discriminator 2) net/netlink/af_netlink.c:341 (discriminator 2))
[   16.457977][  T320]  netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[   16.457980][  T320]  ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[   16.457983][  T320]  ? __lock_acquire (kernel/locking/lockdep.c:5251 (discriminator 3))
[   16.457987][  T320]  netlink_sendmsg (net/netlink/af_netlink.c:1900)
[   16.457991][  T320]  ? netlink_unicast (./include/net/net_namespace.h:422 (discriminator 7))
[   16.457993][  T320]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554)
[   16.457996][  T320]  ? __might_fault (mm/memory.c:7482 (discriminator 5))
[   16.457999][  T320]  ? __might_fault (mm/memory.c:7482 (discriminator 5))
[   16.458003][  T320]  ____sys_sendmsg (net/socket.c:800 (discriminator 4) net/socket.c:815 (discriminator 4) net/socket.c:2713 (discriminator 4))
[   16.458006][  T320]  ? copy_msghdr_from_user (net/socket.c:2650)
[   16.458008][  T320]  ? get_timestamp.constprop.0 (./include/linux/netdevice.h:5399)
[   16.458009][  T320]  ? move_addr_to_kernel (./include/linux/audit.h:354 (discriminator 1))
[   16.458017][  T320]  ___sys_sendmsg (net/socket.c:2767)
[   16.458019][  T320]  ? copy_msghdr_from_user (net/socket.c:2619)
[   16.458035][  T320]  __sys_sendmsg (net/socket.c:2799)
[   16.458039][  T320]  ? __sys_sendmsg_sock (net/socket.c:2780)
[   16.458046][  T320]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   16.458049][  T320]  do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84)
[   16.458052][  T320]  ? exc_page_fault (arch/x86/mm/fault.c:1489 (discriminator 3) arch/x86/mm/fault.c:1536 (discriminator 3))
[   16.458055][  T320]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[   16.458057][  T320] RIP: 0033:0x7f0f1461454e
[   16.458061][  T320] Code: 4d 89 d8 e8 b4 bd 00 00 4c 8b 5d f8 41 8b 93 08 03 00 00 59 5e 48 83 f8 fc 74 11 c9 c3 0f 1f 80 00 00 00 00 48 8b 45 10 0f 05 <c9> c3 83 e2 39 83 fa 08 75 e7 e8 03 ff ff ff 0f 1f 00 f3 0f 1e fa
All code
========
   0:	4d 89 d8             	mov    %r11,%r8
   3:	e8 b4 bd 00 00       	call   0xbdbc
   8:	4c 8b 5d f8          	mov    -0x8(%rbp),%r11
   c:	41 8b 93 08 03 00 00 	mov    0x308(%r11),%edx
  13:	59                   	pop    %rcx
  14:	5e                   	pop    %rsi
  15:	48 83 f8 fc          	cmp    $0xfffffffffffffffc,%rax
  19:	74 11                	je     0x2c
  1b:	c9                   	leave
  1c:	c3                   	ret
  1d:	0f 1f 80 00 00 00 00 	nopl   0x0(%rax)
  24:	48 8b 45 10          	mov    0x10(%rbp),%rax
  28:	0f 05                	syscall
  2a:*	c9                   	leave		<-- trapping instruction
  2b:	c3                   	ret
  2c:	83 e2 39             	and    $0x39,%edx
  2f:	83 fa 08             	cmp    $0x8,%edx
  32:	75 e7                	jne    0x1b
  34:	e8 03 ff ff ff       	call   0xffffffffffffff3c
  39:	0f 1f 00             	nopl   (%rax)
  3c:	f3 0f 1e fa          	endbr64

Code starting with the faulting instruction
===========================================
   0:	c9                   	leave
   1:	c3                   	ret
   2:	83 e2 39             	and    $0x39,%edx
   5:	83 fa 08             	cmp    $0x8,%edx
   8:	75 e7                	jne    0xfffffffffffffff1
   a:	e8 03 ff ff ff       	call   0xffffffffffffff12
   f:	0f 1f 00             	nopl   (%rax)
  12:	f3 0f 1e fa          	endbr64
[   16.458063][  T320] RSP: 002b:00007ffd84578b20 EFLAGS: 00000202 ORIG_RAX: 000000000000002e
[   16.458065][  T320] RAX: ffffffffffffffda RBX: 0000000000000003 RCX: 00007f0f1461454e
[   16.458067][  T320] RDX: 0000000000000000 RSI: 00007ffd84578bd0 RDI: 0000000000000005
[   16.458068][  T320] RBP: 00007ffd84578b30 R08: 0000000000000000 R09: 0000000000000000
[   16.458069][  T320] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a91617f
[   16.458069][  T320] R13: 00000000004a1620 R14: 0000000000000000 R15: 00007ffd845792a0
| [   17.616967][  T332] softirqs last disabled at (30508): netif_change_name (./include/linux/spinlock.h:353 ./include/linux/seqlock.h:908 net/core/dev.c:1499)
| [   17.616970][  T332] Preemption disabled at:
| [   17.616970][  T332] vprintk_emit (kernel/printk/printk.c:2471)
| [   17.616979][  T332] Tainted: [W]=WARN
[   17.616980][  T332] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   17.616982][  T332] Call Trace:
[   17.616983][  T332]  <TASK>
[   17.616985][  T332]  dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120)
[   17.616990][  T332]  ? vprintk_emit (kernel/printk/printk.c:2471)
[   17.616991][  T332]  __might_resched.cold (kernel/sched/core.c:9234)
[   17.616996][  T332]  ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3))
[   17.616999][  T332]  ? __kmalloc_noprof (./include/linux/sched/mm.h:317 mm/slub.c:4636 mm/slub.c:4974 mm/slub.c:5413 mm/slub.c:5439)
[   17.617005][  T332]  __kmalloc_noprof (./include/linux/sched/mm.h:322 (discriminator 2) mm/slub.c:4636 (discriminator 2) mm/slub.c:4974 (discriminator 2) mm/slub.c:5413 (discriminator 2) mm/slub.c:5439 (discriminator 2))
[   17.617007][  T332]  ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[   17.617013][  T332]  ? do_raw_spin_unlock (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:32 ./include/asm-generic/qspinlock.h:58 kernel/locking/spinlock_debug.c:101 kernel/locking/spinlock_debug.c:141)
[   17.617016][  T332]  alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[   17.617019][  T332]  put_chars (drivers/char/virtio_console.c:1176)
[   17.617022][  T332]  ? __send_to_port (drivers/char/virtio_console.c:654)
[   17.617026][  T332]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380)
[   17.617030][  T332]  ? validate_chain (kernel/locking/lockdep.c:3817 (discriminator 2) kernel/locking/lockdep.c:3837 (discriminator 2) kernel/locking/lockdep.c:3892 (discriminator 2))
[   17.617034][  T332]  hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2))
[   17.617038][  T332]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   17.617040][  T332]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   17.617045][  T332]  ? hvc_write (drivers/tty/hvc/hvc_console.c:501)
[   17.617049][  T332]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   17.617051][  T332]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   17.617055][  T332]  console_emit_next_record (kernel/printk/printk.c:3183)
[   17.617059][  T332]  ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20)
[   17.617060][  T332]  ? console_flush_one_record (./include/linux/rcupdate.h:314 (discriminator 2) ./include/linux/srcu.h:439 (discriminator 2) kernel/printk/printk.c:291 (discriminator 2) kernel/printk/printk.c:3246 (discriminator 2))
[   17.617063][  T332]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   17.617065][  T332]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   17.617069][  T332]  console_flush_one_record (kernel/printk/printk.c:3268)
[   17.617073][  T332]  ? console_emit_next_record (kernel/printk/printk.c:3150)
[   17.617074][  T332]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   17.617080][  T332]  console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420)
[   17.617082][  T332]  ? console_flush_one_record (kernel/printk/printk.c:3316)
[   17.617083][  T332]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   17.617085][  T332]  ? lock_acquire (kernel/locking/lockdep.c:5913)
[   17.617089][  T332]  ? __down_trylock_console_sem (kernel/printk/printk.c:334)
[   17.617091][  T332]  ? vprintk_emit (kernel/printk/printk.c:2478)
[   17.617095][  T332]  vprintk_emit (kernel/printk/printk.c:2479)
[   17.617098][  T332]  ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126))
[   17.617100][  T332]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   17.617106][  T332]  ? save_trace (kernel/locking/lockdep.c:154 (discriminator 6) kernel/locking/lockdep.c:150 (discriminator 6) kernel/locking/lockdep.c:202 (discriminator 6) kernel/locking/lockdep.c:577 (discriminator 6))
[   17.617108][  T332]  ? find_held_lock (kernel/locking/lockdep.c:5360)
[   17.617112][  T332]  _printk (kernel/printk/printk.c:2504)
[   17.617116][  T332]  ? snapshot_read.cold (user.c:?)
[   17.617117][  T332]  ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4116 (discriminator 3) kernel/rcu/tree.c:4108 (discriminator 3))
[   17.617120][  T332]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380)
[   17.617122][  T332]  ? validate_chain (kernel/locking/lockdep.c:3817 (discriminator 2) kernel/locking/lockdep.c:3837 (discriminator 2) kernel/locking/lockdep.c:3892 (discriminator 2))
[   17.617125][  T332]  ? netdev_name (./include/linux/netdevice.h:5709 (discriminator 1))
[   17.617128][  T332]  ? __netdev_printk (net/core/dev.c:13148 (discriminator 2))
[   17.617131][  T332]  ? do_setlink.isra.0 (net/core/rtnetlink.c:3246)
[   17.617133][  T332]  netdev_info (net/core/dev.c:13195 (discriminator 3))
[   17.617136][  T332]  ? netdev_notice (net/core/dev.c:13194)
[   17.617138][  T332]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[   17.617141][  T332]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554)
[   17.617144][  T332]  ? mark_held_locks (kernel/locking/lockdep.c:4341)
[   17.617147][  T332]  ? do_setlink.isra.0 (net/core/rtnetlink.c:3246)
[   17.617149][  T332]  netif_change_name.cold (net/core/dev.c:1507 (discriminator 3))
[   17.617153][  T332]  ? is_bpf_text_address (./include/linux/rcupdate.h:319 (discriminator 2) ./include/linux/rcupdate.h:880 (discriminator 2) kernel/bpf/core.c:751 (discriminator 2))
[   17.617159][  T332]  ? netdev_adjacent_rename_links (net/core/dev.c:9598)
[   17.617162][  T332]  ? __kernel_text_address (kernel/extable.c:79)
[   17.617165][  T332]  ? write_profile (profile.c:?)
[   17.617169][  T332]  ? __asan_memset (mm/kasan/shadow.c:84 (discriminator 1))
[   17.617174][  T332]  do_setlink.isra.0 (net/core/rtnetlink.c:3246)
[   17.617178][  T332]  ? stack_trace_save (kernel/stacktrace.c:122 (discriminator 1))
[   17.617181][  T332]  ? rtnl_link_get_size (net/core/rtnetlink.c:747)
[   17.617182][  T332]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:388 kernel/rcu/update.c:380)
[   17.617184][  T332]  ? stack_depot_save_flags (lib/stackdepot.c:609 (discriminator 2) lib/stackdepot.c:676 (discriminator 2))
[   17.617188][  T332]  ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4116 (discriminator 3) kernel/rcu/tree.c:4108 (discriminator 3))
[   17.617190][  T332]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380)
[   17.617192][  T332]  ? validate_chain (kernel/locking/lockdep.c:3817 (discriminator 2) kernel/locking/lockdep.c:3837 (discriminator 2) kernel/locking/lockdep.c:3892 (discriminator 2))
[   17.617195][  T332]  ? kasan_save_stack (mm/kasan/common.c:58)
[   17.617198][  T332]  ? kasan_save_stack (mm/kasan/common.c:57)
[   17.617199][  T332]  ? kasan_save_track (mm/kasan/common.c:78)
[   17.617202][  T332]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   17.617204][  T332]  ? netlink_update_listeners (net/netlink/af_netlink.c:532)
[   17.617207][  T332]  ? ___sys_sendmsg (net/socket.c:2744 net/socket.c:2763)
[   17.617212][  T332]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2))
[   17.617214][  T332]  ? rtnl_newlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:366 net/core/rtnetlink.c:4214)
[   17.617217][  T332]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   17.617219][  T332]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   17.617220][  T332]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   17.617222][  T332]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   17.617224][  T332]  ? trace_contention_end (./include/trace/events/lock.h:121 (discriminator 22))
[   17.617226][  T332]  ? __mutex_lock (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:3188 kernel/locking/mutex.c:89 kernel/locking/mutex.c:134 kernel/locking/mutex.c:649 kernel/locking/mutex.c:821)
[   17.617230][  T332]  ? __mutex_lock (kernel/locking/mutex.c:656 (discriminator 1) kernel/locking/mutex.c:821 (discriminator 1))
[   17.617232][  T332]  ? rtnl_newlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:366 net/core/rtnetlink.c:4214)
[   17.617235][  T332]  ? ww_mutex_lock (kernel/locking/mutex.c:934)
[   17.617237][  T332]  ? nla_get_range_signed (lib/nlattr.c:270)
[   17.617243][  T332]  ? __rtnl_newlink (net/core/rtnetlink.c:4063)
[   17.617248][  T332]  rtnl_newlink (net/core/rtnetlink.c:4215)
[   17.617253][  T332]  ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558)
[   17.617255][  T332]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   17.617260][  T332]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2))
[   17.617262][  T332]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[   17.617264][  T332]  ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558)
[   17.617266][  T332]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554)
[   17.617270][  T332]  ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558)
[   17.617272][  T332]  rtnetlink_rcv_msg (net/core/rtnetlink.c:7132)
[   17.617275][  T332]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   17.617276][  T332]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   17.617281][  T332]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2))
[   17.617283][  T332]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[   17.617287][  T332]  netlink_rcv_skb (net/netlink/af_netlink.c:2556)
[   17.617288][  T332]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   17.617291][  T332]  ? netlink_ack (./include/linux/skbuff.h:2718)
[   17.617297][  T332]  ? netlink_deliver_tap (./include/linux/rcupdate.h:319 (discriminator 2) ./include/linux/rcupdate.h:880 (discriminator 2) ./include/net/netns/generic.h:48 (discriminator 2) net/netlink/af_netlink.c:334 (discriminator 2))
[   17.617299][  T332]  ? netlink_deliver_tap (./include/linux/rcupdate.h:319 (discriminator 2) ./include/linux/rcupdate.h:880 (discriminator 2) net/netlink/af_netlink.c:341 (discriminator 2))
[   17.617303][  T332]  netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[   17.617307][  T332]  ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[   17.617310][  T332]  ? __lock_acquire (kernel/locking/lockdep.c:5251 (discriminator 3))
[   17.617314][  T332]  netlink_sendmsg (net/netlink/af_netlink.c:1900)
[   17.617318][  T332]  ? netlink_unicast (./include/net/net_namespace.h:422 (discriminator 7))
[   17.617319][  T332]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554)
[   17.617322][  T332]  ? __might_fault (mm/memory.c:7482 (discriminator 5))
[   17.617326][  T332]  ? __might_fault (mm/memory.c:7482 (discriminator 5))
[   17.617330][  T332]  ____sys_sendmsg (net/socket.c:800 (discriminator 4) net/socket.c:815 (discriminator 4) net/socket.c:2713 (discriminator 4))
[   17.617332][  T332]  ? copy_msghdr_from_user (net/socket.c:2650)
[   17.617334][  T332]  ? get_timestamp.constprop.0 (./include/linux/netdevice.h:5399)
[   17.617336][  T332]  ? move_addr_to_kernel (./include/linux/audit.h:354 (discriminator 1))
[   17.617343][  T332]  ___sys_sendmsg (net/socket.c:2767)
[   17.617346][  T332]  ? copy_msghdr_from_user (net/socket.c:2619)
[   17.617362][  T332]  __sys_sendmsg (net/socket.c:2799)
[   17.617365][  T332]  ? __sys_sendmsg_sock (net/socket.c:2780)
[   17.617372][  T332]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   17.617375][  T332]  do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84)
[   17.617377][  T332]  ? exc_page_fault (arch/x86/mm/fault.c:1489 (discriminator 3) arch/x86/mm/fault.c:1536 (discriminator 3))
[   17.617381][  T332]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[   17.617383][  T332] RIP: 0033:0x7f9b5438354e
[   17.617387][  T332] Code: 4d 89 d8 e8 b4 bd 00 00 4c 8b 5d f8 41 8b 93 08 03 00 00 59 5e 48 83 f8 fc 74 11 c9 c3 0f 1f 80 00 00 00 00 48 8b 45 10 0f 05 <c9> c3 83 e2 39 83 fa 08 75 e7 e8 03 ff ff ff 0f 1f 00 f3 0f 1e fa
All code
========
   0:	4d 89 d8             	mov    %r11,%r8
   3:	e8 b4 bd 00 00       	call   0xbdbc
   8:	4c 8b 5d f8          	mov    -0x8(%rbp),%r11
   c:	41 8b 93 08 03 00 00 	mov    0x308(%r11),%edx
  13:	59                   	pop    %rcx
  14:	5e                   	pop    %rsi
  15:	48 83 f8 fc          	cmp    $0xfffffffffffffffc,%rax
  19:	74 11                	je     0x2c
  1b:	c9                   	leave
  1c:	c3                   	ret
  1d:	0f 1f 80 00 00 00 00 	nopl   0x0(%rax)
  24:	48 8b 45 10          	mov    0x10(%rbp),%rax
  28:	0f 05                	syscall
  2a:*	c9                   	leave		<-- trapping instruction
  2b:	c3                   	ret
  2c:	83 e2 39             	and    $0x39,%edx
  2f:	83 fa 08             	cmp    $0x8,%edx
  32:	75 e7                	jne    0x1b
  34:	e8 03 ff ff ff       	call   0xffffffffffffff3c
  39:	0f 1f 00             	nopl   (%rax)
  3c:	f3 0f 1e fa          	endbr64

Code starting with the faulting instruction
===========================================
   0:	c9                   	leave
   1:	c3                   	ret
   2:	83 e2 39             	and    $0x39,%edx
   5:	83 fa 08             	cmp    $0x8,%edx
   8:	75 e7                	jne    0xfffffffffffffff1
   a:	e8 03 ff ff ff       	call   0xffffffffffffff12
   f:	0f 1f 00             	nopl   (%rax)
  12:	f3 0f 1e fa          	endbr64
[   17.617388][  T332] RSP: 002b:00007ffd20151240 EFLAGS: 00000202 ORIG_RAX: 000000000000002e
[   17.617391][  T332] RAX: ffffffffffffffda RBX: 0000000000000003 RCX: 00007f9b5438354e
[   17.617393][  T332] RDX: 0000000000000000 RSI: 00007ffd201512f0 RDI: 0000000000000005
[   17.617393][  T332] RBP: 00007ffd20151250 R08: 0000000000000000 R09: 0000000000000000
[   17.617394][  T332] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a916181
[   17.617395][  T332] R13: 00000000004a1620 R14: 0000000000000000 R15: 00007ffd201519c0
| [   18.680204][  T343] softirqs last disabled at (29540): netif_change_name (./include/linux/spinlock.h:353 ./include/linux/seqlock.h:908 net/core/dev.c:1499)
| [   18.680206][  T343] Preemption disabled at:
| [   18.680207][  T343] vprintk_emit (kernel/printk/printk.c:2471)
| [   18.680216][  T343] Tainted: [W]=WARN
[   18.680216][  T343] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   18.680218][  T343] Call Trace:
[   18.680220][  T343]  <TASK>
[   18.680221][  T343]  dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120)
[   18.680226][  T343]  ? vprintk_emit (kernel/printk/printk.c:2471)
[   18.680228][  T343]  __might_resched.cold (kernel/sched/core.c:9234)
[   18.680232][  T343]  ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3))
[   18.680236][  T343]  ? __kmalloc_noprof (./include/linux/sched/mm.h:317 mm/slub.c:4636 mm/slub.c:4974 mm/slub.c:5413 mm/slub.c:5439)
[   18.680241][  T343]  __kmalloc_noprof (./include/linux/sched/mm.h:322 (discriminator 2) mm/slub.c:4636 (discriminator 2) mm/slub.c:4974 (discriminator 2) mm/slub.c:5413 (discriminator 2) mm/slub.c:5439 (discriminator 2))
[   18.680243][  T343]  ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[   18.680249][  T343]  ? do_raw_spin_unlock (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:32 ./include/asm-generic/qspinlock.h:58 kernel/locking/spinlock_debug.c:101 kernel/locking/spinlock_debug.c:141)
[   18.680252][  T343]  alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[   18.680256][  T343]  put_chars (drivers/char/virtio_console.c:1176)
[   18.680258][  T343]  ? __send_to_port (drivers/char/virtio_console.c:654)
[   18.680262][  T343]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380)
[   18.680266][  T343]  ? validate_chain (kernel/locking/lockdep.c:3817 (discriminator 2) kernel/locking/lockdep.c:3837 (discriminator 2) kernel/locking/lockdep.c:3892 (discriminator 2))
[   18.680270][  T343]  hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2))
[   18.680274][  T343]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   18.680276][  T343]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   18.680280][  T343]  ? hvc_write (drivers/tty/hvc/hvc_console.c:501)
[   18.680284][  T343]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   18.680286][  T343]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   18.680291][  T343]  console_emit_next_record (kernel/printk/printk.c:3183)
[   18.680294][  T343]  ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20)
[   18.680295][  T343]  ? console_flush_one_record (./include/linux/rcupdate.h:314 (discriminator 2) ./include/linux/srcu.h:439 (discriminator 2) kernel/printk/printk.c:291 (discriminator 2) kernel/printk/printk.c:3246 (discriminator 2))
[   18.680298][  T343]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   18.680300][  T343]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   18.680304][  T343]  console_flush_one_record (kernel/printk/printk.c:3268)
[   18.680308][  T343]  ? console_emit_next_record (kernel/printk/printk.c:3150)
[   18.680309][  T343]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   18.680315][  T343]  console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420)
[   18.680317][  T343]  ? console_flush_one_record (kernel/printk/printk.c:3316)
[   18.680318][  T343]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   18.680320][  T343]  ? lock_acquire (kernel/locking/lockdep.c:5913)
[   18.680324][  T343]  ? __down_trylock_console_sem (kernel/printk/printk.c:334)
[   18.680326][  T343]  ? vprintk_emit (kernel/printk/printk.c:2478)
[   18.680329][  T343]  vprintk_emit (kernel/printk/printk.c:2479)
[   18.680332][  T343]  ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126))
[   18.680334][  T343]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   18.680336][  T343]  ? save_trace (kernel/locking/lockdep.c:154 (discriminator 6) kernel/locking/lockdep.c:150 (discriminator 6) kernel/locking/lockdep.c:202 (discriminator 6) kernel/locking/lockdep.c:577 (discriminator 6))
[   18.680338][  T343]  ? find_held_lock (kernel/locking/lockdep.c:5360)
[   18.680342][  T343]  _printk (kernel/printk/printk.c:2504)
[   18.680345][  T343]  ? snapshot_read.cold (user.c:?)
[   18.680347][  T343]  ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4116 (discriminator 3) kernel/rcu/tree.c:4108 (discriminator 3))
[   18.680350][  T343]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380)
[   18.680352][  T343]  ? validate_chain (kernel/locking/lockdep.c:3817 (discriminator 2) kernel/locking/lockdep.c:3837 (discriminator 2) kernel/locking/lockdep.c:3892 (discriminator 2))
[   18.680354][  T343]  ? netdev_name (./include/linux/netdevice.h:5709 (discriminator 1))
[   18.680357][  T343]  ? __netdev_printk (net/core/dev.c:13148 (discriminator 2))
[   18.680360][  T343]  ? do_setlink.isra.0 (net/core/rtnetlink.c:3246)
[   18.680362][  T343]  netdev_info (net/core/dev.c:13195 (discriminator 3))
[   18.680365][  T343]  ? netdev_notice (net/core/dev.c:13194)
[   18.680368][  T343]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[   18.680371][  T343]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554)
[   18.680373][  T343]  ? mark_held_locks (kernel/locking/lockdep.c:4341)
[   18.680377][  T343]  ? do_setlink.isra.0 (net/core/rtnetlink.c:3246)
[   18.680379][  T343]  netif_change_name.cold (net/core/dev.c:1507 (discriminator 3))
[   18.680382][  T343]  ? is_bpf_text_address (./include/linux/rcupdate.h:319 (discriminator 2) ./include/linux/rcupdate.h:880 (discriminator 2) kernel/bpf/core.c:751 (discriminator 2))
[   18.680388][  T343]  ? netdev_adjacent_rename_links (net/core/dev.c:9598)
[   18.680390][  T343]  ? __kernel_text_address (kernel/extable.c:79)
[   18.680394][  T343]  ? write_profile (profile.c:?)
[   18.680398][  T343]  ? __asan_memset (mm/kasan/shadow.c:84 (discriminator 1))
[   18.680403][  T343]  do_setlink.isra.0 (net/core/rtnetlink.c:3246)
[   18.680407][  T343]  ? stack_trace_save (kernel/stacktrace.c:122 (discriminator 1))
[   18.680409][  T343]  ? rtnl_link_get_size (net/core/rtnetlink.c:747)
[   18.680411][  T343]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:388 kernel/rcu/update.c:380)
[   18.680413][  T343]  ? stack_depot_save_flags (lib/stackdepot.c:609 (discriminator 2) lib/stackdepot.c:676 (discriminator 2))
[   18.680416][  T343]  ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4116 (discriminator 3) kernel/rcu/tree.c:4108 (discriminator 3))
[   18.680418][  T343]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380)
[   18.680420][  T343]  ? validate_chain (kernel/locking/lockdep.c:3817 (discriminator 2) kernel/locking/lockdep.c:3837 (discriminator 2) kernel/locking/lockdep.c:3892 (discriminator 2))
[   18.680423][  T343]  ? kasan_save_stack (mm/kasan/common.c:58)
[   18.680426][  T343]  ? kasan_save_stack (mm/kasan/common.c:57)
[   18.680427][  T343]  ? kasan_save_track (mm/kasan/common.c:78)
[   18.680430][  T343]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   18.680432][  T343]  ? netlink_update_listeners (net/netlink/af_netlink.c:532)
[   18.680435][  T343]  ? ___sys_sendmsg (net/socket.c:2744 net/socket.c:2763)
[   18.680440][  T343]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2))
[   18.680442][  T343]  ? rtnl_newlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:366 net/core/rtnetlink.c:4214)
[   18.680445][  T343]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   18.680446][  T343]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   18.680448][  T343]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   18.680449][  T343]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   18.680451][  T343]  ? trace_contention_end (./include/trace/events/lock.h:121 (discriminator 22))
[   18.680453][  T343]  ? __mutex_lock (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:3188 kernel/locking/mutex.c:89 kernel/locking/mutex.c:134 kernel/locking/mutex.c:649 kernel/locking/mutex.c:821)
[   18.680457][  T343]  ? __mutex_lock (kernel/locking/mutex.c:656 (discriminator 1) kernel/locking/mutex.c:821 (discriminator 1))
[   18.680459][  T343]  ? rtnl_newlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:366 net/core/rtnetlink.c:4214)
[   18.680462][  T343]  ? ww_mutex_lock (kernel/locking/mutex.c:934)
[   18.680464][  T343]  ? nla_get_range_signed (lib/nlattr.c:270)
[   18.680470][  T343]  ? __rtnl_newlink (net/core/rtnetlink.c:4063)
[   18.680475][  T343]  rtnl_newlink (net/core/rtnetlink.c:4215)
[   18.680480][  T343]  ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558)
[   18.680482][  T343]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   18.680487][  T343]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2))
[   18.680489][  T343]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[   18.680491][  T343]  ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558)
[   18.680493][  T343]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554)
[   18.680497][  T343]  ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558)
[   18.680499][  T343]  rtnetlink_rcv_msg (net/core/rtnetlink.c:7132)
[   18.680502][  T343]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   18.680503][  T343]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   18.680508][  T343]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2))
[   18.680510][  T343]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[   18.680513][  T343]  netlink_rcv_skb (net/netlink/af_netlink.c:2556)
[   18.680515][  T343]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   18.680518][  T343]  ? netlink_ack (./include/linux/skbuff.h:2718)
[   18.680524][  T343]  ? netlink_deliver_tap (./include/linux/rcupdate.h:319 (discriminator 2) ./include/linux/rcupdate.h:880 (discriminator 2) ./include/net/netns/generic.h:48 (discriminator 2) net/netlink/af_netlink.c:334 (discriminator 2))
[   18.680525][  T343]  ? netlink_deliver_tap (./include/linux/rcupdate.h:319 (discriminator 2) ./include/linux/rcupdate.h:880 (discriminator 2) net/netlink/af_netlink.c:341 (discriminator 2))
[   18.680529][  T343]  netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[   18.680533][  T343]  ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[   18.680536][  T343]  ? __lock_acquire (kernel/locking/lockdep.c:5251 (discriminator 3))
[   18.680540][  T343]  netlink_sendmsg (net/netlink/af_netlink.c:1900)
[   18.680543][  T343]  ? netlink_unicast (./include/net/net_namespace.h:422 (discriminator 7))
[   18.680545][  T343]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554)
[   18.680548][  T343]  ? __might_fault (mm/memory.c:7482 (discriminator 5))
[   18.680552][  T343]  ? __might_fault (mm/memory.c:7482 (discriminator 5))
[   18.680556][  T343]  ____sys_sendmsg (net/socket.c:800 (discriminator 4) net/socket.c:815 (discriminator 4) net/socket.c:2713 (discriminator 4))
[   18.680558][  T343]  ? copy_msghdr_from_user (net/socket.c:2650)
[   18.680560][  T343]  ? get_timestamp.constprop.0 (./include/linux/netdevice.h:5399)
[   18.680562][  T343]  ? move_addr_to_kernel (./include/linux/audit.h:354 (discriminator 1))
[   18.680569][  T343]  ___sys_sendmsg (net/socket.c:2767)
[   18.680572][  T343]  ? copy_msghdr_from_user (net/socket.c:2619)
[   18.680588][  T343]  __sys_sendmsg (net/socket.c:2799)
[   18.680591][  T343]  ? __sys_sendmsg_sock (net/socket.c:2780)
[   18.680597][  T343]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   18.680600][  T343]  do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84)
[   18.680603][  T343]  ? exc_page_fault (arch/x86/mm/fault.c:1489 (discriminator 3) arch/x86/mm/fault.c:1536 (discriminator 3))
[   18.680606][  T343]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[   18.680608][  T343] RIP: 0033:0x7f1ed8da954e
[   18.680612][  T343] Code: 4d 89 d8 e8 b4 bd 00 00 4c 8b 5d f8 41 8b 93 08 03 00 00 59 5e 48 83 f8 fc 74 11 c9 c3 0f 1f 80 00 00 00 00 48 8b 45 10 0f 05 <c9> c3 83 e2 39 83 fa 08 75 e7 e8 03 ff ff ff 0f 1f 00 f3 0f 1e fa
All code
========
   0:	4d 89 d8             	mov    %r11,%r8
   3:	e8 b4 bd 00 00       	call   0xbdbc
   8:	4c 8b 5d f8          	mov    -0x8(%rbp),%r11
   c:	41 8b 93 08 03 00 00 	mov    0x308(%r11),%edx
  13:	59                   	pop    %rcx
  14:	5e                   	pop    %rsi
  15:	48 83 f8 fc          	cmp    $0xfffffffffffffffc,%rax
  19:	74 11                	je     0x2c
  1b:	c9                   	leave
  1c:	c3                   	ret
  1d:	0f 1f 80 00 00 00 00 	nopl   0x0(%rax)
  24:	48 8b 45 10          	mov    0x10(%rbp),%rax
  28:	0f 05                	syscall
  2a:*	c9                   	leave		<-- trapping instruction
  2b:	c3                   	ret
  2c:	83 e2 39             	and    $0x39,%edx
  2f:	83 fa 08             	cmp    $0x8,%edx
  32:	75 e7                	jne    0x1b
  34:	e8 03 ff ff ff       	call   0xffffffffffffff3c
  39:	0f 1f 00             	nopl   (%rax)
  3c:	f3 0f 1e fa          	endbr64

Code starting with the faulting instruction
===========================================
   0:	c9                   	leave
   1:	c3                   	ret
   2:	83 e2 39             	and    $0x39,%edx
   5:	83 fa 08             	cmp    $0x8,%edx
   8:	75 e7                	jne    0xfffffffffffffff1
   a:	e8 03 ff ff ff       	call   0xffffffffffffff12
   f:	0f 1f 00             	nopl   (%rax)
  12:	f3 0f 1e fa          	endbr64
[   18.680613][  T343] RSP: 002b:00007ffeec06b510 EFLAGS: 00000202 ORIG_RAX: 000000000000002e
[   18.680616][  T343] RAX: ffffffffffffffda RBX: 0000000000000003 RCX: 00007f1ed8da954e
[   18.680617][  T343] RDX: 0000000000000000 RSI: 00007ffeec06b5c0 RDI: 0000000000000005
[   18.680618][  T343] RBP: 00007ffeec06b520 R08: 0000000000000000 R09: 0000000000000000
[   18.680619][  T343] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a916182
[   18.680620][  T343] R13: 00000000004a1620 R14: 0000000000000000 R15: 00007ffeec06bc90
| [   19.811543][  T354] softirqs last disabled at (18310): netif_change_name (./include/linux/spinlock.h:353 ./include/linux/seqlock.h:908 net/core/dev.c:1499)
| [   19.811545][  T354] Preemption disabled at:
| [   19.811546][  T354] vprintk_emit (kernel/printk/printk.c:2471)
| [   19.811555][  T354] Tainted: [W]=WARN
[   19.811555][  T354] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   19.811557][  T354] Call Trace:
[   19.811559][  T354]  <TASK>
[   19.811560][  T354]  dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120)
[   19.811565][  T354]  ? vprintk_emit (kernel/printk/printk.c:2471)
[   19.811567][  T354]  __might_resched.cold (kernel/sched/core.c:9234)
[   19.811571][  T354]  ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3))
[   19.811574][  T354]  ? __kmalloc_noprof (./include/linux/sched/mm.h:317 mm/slub.c:4636 mm/slub.c:4974 mm/slub.c:5413 mm/slub.c:5439)
[   19.811579][  T354]  __kmalloc_noprof (./include/linux/sched/mm.h:322 (discriminator 2) mm/slub.c:4636 (discriminator 2) mm/slub.c:4974 (discriminator 2) mm/slub.c:5413 (discriminator 2) mm/slub.c:5439 (discriminator 2))
[   19.811582][  T354]  ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[   19.811588][  T354]  ? do_raw_spin_unlock (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:32 ./include/asm-generic/qspinlock.h:58 kernel/locking/spinlock_debug.c:101 kernel/locking/spinlock_debug.c:141)
[   19.811591][  T354]  alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[   19.811594][  T354]  put_chars (drivers/char/virtio_console.c:1176)
[   19.811597][  T354]  ? __send_to_port (drivers/char/virtio_console.c:654)
[   19.811601][  T354]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380)
[   19.811604][  T354]  ? validate_chain (kernel/locking/lockdep.c:3817 (discriminator 2) kernel/locking/lockdep.c:3837 (discriminator 2) kernel/locking/lockdep.c:3892 (discriminator 2))
[   19.811609][  T354]  hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2))
[   19.811613][  T354]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   19.811614][  T354]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   19.811619][  T354]  ? hvc_write (drivers/tty/hvc/hvc_console.c:501)
[   19.811622][  T354]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   19.811625][  T354]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   19.811629][  T354]  console_emit_next_record (kernel/printk/printk.c:3183)
[   19.811633][  T354]  ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20)
[   19.811634][  T354]  ? console_flush_one_record (./include/linux/rcupdate.h:314 (discriminator 2) ./include/linux/srcu.h:439 (discriminator 2) kernel/printk/printk.c:291 (discriminator 2) kernel/printk/printk.c:3246 (discriminator 2))
[   19.811637][  T354]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   19.811639][  T354]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   19.811643][  T354]  console_flush_one_record (kernel/printk/printk.c:3268)
[   19.811647][  T354]  ? console_emit_next_record (kernel/printk/printk.c:3150)
[   19.811648][  T354]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   19.811654][  T354]  console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420)
[   19.811656][  T354]  ? console_flush_one_record (kernel/printk/printk.c:3316)
[   19.811657][  T354]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   19.811659][  T354]  ? lock_acquire (kernel/locking/lockdep.c:5913)
[   19.811663][  T354]  ? __down_trylock_console_sem (kernel/printk/printk.c:334)
[   19.811665][  T354]  ? vprintk_emit (kernel/printk/printk.c:2478)
[   19.811668][  T354]  vprintk_emit (kernel/printk/printk.c:2479)
[   19.811671][  T354]  ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126))
[   19.811673][  T354]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   19.811675][  T354]  ? save_trace (kernel/locking/lockdep.c:154 (discriminator 6) kernel/locking/lockdep.c:150 (discriminator 6) kernel/locking/lockdep.c:202 (discriminator 6) kernel/locking/lockdep.c:577 (discriminator 6))
[   19.811677][  T354]  ? find_held_lock (kernel/locking/lockdep.c:5360)
[   19.811681][  T354]  _printk (kernel/printk/printk.c:2504)
[   19.811685][  T354]  ? snapshot_read.cold (user.c:?)
[   19.811691][  T354]  ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4116 (discriminator 3) kernel/rcu/tree.c:4108 (discriminator 3))
[   19.811694][  T354]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380)
[   19.811696][  T354]  ? validate_chain (kernel/locking/lockdep.c:3817 (discriminator 2) kernel/locking/lockdep.c:3837 (discriminator 2) kernel/locking/lockdep.c:3892 (discriminator 2))
[   19.811698][  T354]  ? netdev_name (./include/linux/netdevice.h:5709 (discriminator 1))
[   19.811701][  T354]  ? __netdev_printk (net/core/dev.c:13148 (discriminator 2))
[   19.811704][  T354]  ? do_setlink.isra.0 (net/core/rtnetlink.c:3246)
[   19.811706][  T354]  netdev_info (net/core/dev.c:13195 (discriminator 3))
[   19.811709][  T354]  ? netdev_notice (net/core/dev.c:13194)
[   19.811711][  T354]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[   19.811714][  T354]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554)
[   19.811717][  T354]  ? mark_held_locks (kernel/locking/lockdep.c:4341)
[   19.811721][  T354]  ? do_setlink.isra.0 (net/core/rtnetlink.c:3246)
[   19.811723][  T354]  netif_change_name.cold (net/core/dev.c:1507 (discriminator 3))
[   19.811726][  T354]  ? is_bpf_text_address (./include/linux/rcupdate.h:319 (discriminator 2) ./include/linux/rcupdate.h:880 (discriminator 2) kernel/bpf/core.c:751 (discriminator 2))
[   19.811732][  T354]  ? netdev_adjacent_rename_links (net/core/dev.c:9598)
[   19.811734][  T354]  ? __kernel_text_address (kernel/extable.c:79)
[   19.811737][  T354]  ? write_profile (profile.c:?)
[   19.811741][  T354]  ? __asan_memset (mm/kasan/shadow.c:84 (discriminator 1))
[   19.811746][  T354]  do_setlink.isra.0 (net/core/rtnetlink.c:3246)
[   19.811750][  T354]  ? stack_trace_save (kernel/stacktrace.c:122 (discriminator 1))
[   19.811752][  T354]  ? rtnl_link_get_size (net/core/rtnetlink.c:747)
[   19.811753][  T354]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:388 kernel/rcu/update.c:380)
[   19.811755][  T354]  ? stack_depot_save_flags (lib/stackdepot.c:609 (discriminator 2) lib/stackdepot.c:676 (discriminator 2))
[   19.811759][  T354]  ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4116 (discriminator 3) kernel/rcu/tree.c:4108 (discriminator 3))
[   19.811761][  T354]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380)
[   19.811763][  T354]  ? validate_chain (kernel/locking/lockdep.c:3817 (discriminator 2) kernel/locking/lockdep.c:3837 (discriminator 2) kernel/locking/lockdep.c:3892 (discriminator 2))
[   19.811766][  T354]  ? kasan_save_stack (mm/kasan/common.c:58)
[   19.811768][  T354]  ? kasan_save_stack (mm/kasan/common.c:57)
[   19.811770][  T354]  ? kasan_save_track (mm/kasan/common.c:78)
[   19.811773][  T354]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   19.811775][  T354]  ? netlink_update_listeners (net/netlink/af_netlink.c:532)
[   19.811777][  T354]  ? ___sys_sendmsg (net/socket.c:2744 net/socket.c:2763)
[   19.811782][  T354]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2))
[   19.811784][  T354]  ? rtnl_newlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:366 net/core/rtnetlink.c:4214)
[   19.811787][  T354]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   19.811789][  T354]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   19.811790][  T354]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   19.811791][  T354]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   19.811793][  T354]  ? trace_contention_end (./include/trace/events/lock.h:121 (discriminator 22))
[   19.811796][  T354]  ? __mutex_lock (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:3188 kernel/locking/mutex.c:89 kernel/locking/mutex.c:134 kernel/locking/mutex.c:649 kernel/locking/mutex.c:821)
[   19.811799][  T354]  ? __mutex_lock (kernel/locking/mutex.c:656 (discriminator 1) kernel/locking/mutex.c:821 (discriminator 1))
[   19.811801][  T354]  ? rtnl_newlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:366 net/core/rtnetlink.c:4214)
[   19.811805][  T354]  ? ww_mutex_lock (kernel/locking/mutex.c:934)
[   19.811806][  T354]  ? nla_get_range_signed (lib/nlattr.c:270)
[   19.811812][  T354]  ? __rtnl_newlink (net/core/rtnetlink.c:4063)
[   19.811817][  T354]  rtnl_newlink (net/core/rtnetlink.c:4215)
[   19.811822][  T354]  ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558)
[   19.811824][  T354]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   19.811829][  T354]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2))
[   19.811831][  T354]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[   19.811833][  T354]  ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558)
[   19.811835][  T354]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554)
[   19.811838][  T354]  ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558)
[   19.811841][  T354]  rtnetlink_rcv_msg (net/core/rtnetlink.c:7132)
[   19.811844][  T354]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   19.811845][  T354]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   19.811850][  T354]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2))
[   19.811852][  T354]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[   19.811855][  T354]  netlink_rcv_skb (net/netlink/af_netlink.c:2556)
[   19.811857][  T354]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   19.811860][  T354]  ? netlink_ack (./include/linux/skbuff.h:2718)
[   19.811866][  T354]  ? netlink_deliver_tap (./include/linux/rcupdate.h:319 (discriminator 2) ./include/linux/rcupdate.h:880 (discriminator 2) ./include/net/netns/generic.h:48 (discriminator 2) net/netlink/af_netlink.c:334 (discriminator 2))
[   19.811867][  T354]  ? netlink_deliver_tap (./include/linux/rcupdate.h:319 (discriminator 2) ./include/linux/rcupdate.h:880 (discriminator 2) net/netlink/af_netlink.c:341 (discriminator 2))
[   19.811871][  T354]  netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[   19.811875][  T354]  ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[   19.811878][  T354]  ? __lock_acquire (kernel/locking/lockdep.c:5251 (discriminator 3))
[   19.811882][  T354]  netlink_sendmsg (net/netlink/af_netlink.c:1900)
[   19.811886][  T354]  ? netlink_unicast (./include/net/net_namespace.h:422 (discriminator 7))
[   19.811887][  T354]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554)
[   19.811890][  T354]  ? __might_fault (mm/memory.c:7482 (discriminator 5))
[   19.811894][  T354]  ? __might_fault (mm/memory.c:7482 (discriminator 5))
[   19.811898][  T354]  ____sys_sendmsg (net/socket.c:800 (discriminator 4) net/socket.c:815 (discriminator 4) net/socket.c:2713 (discriminator 4))
[   19.811900][  T354]  ? copy_msghdr_from_user (net/socket.c:2650)
[   19.811902][  T354]  ? get_timestamp.constprop.0 (./include/linux/netdevice.h:5399)
[   19.811904][  T354]  ? move_addr_to_kernel (./include/linux/audit.h:354 (discriminator 1))
[   19.811911][  T354]  ___sys_sendmsg (net/socket.c:2767)
[   19.811914][  T354]  ? copy_msghdr_from_user (net/socket.c:2619)
[   19.811930][  T354]  __sys_sendmsg (net/socket.c:2799)
[   19.811933][  T354]  ? __sys_sendmsg_sock (net/socket.c:2780)
[   19.811939][  T354]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   19.811942][  T354]  do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84)
[   19.811945][  T354]  ? exc_page_fault (arch/x86/mm/fault.c:1489 (discriminator 3) arch/x86/mm/fault.c:1536 (discriminator 3))
[   19.811948][  T354]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[   19.811950][  T354] RIP: 0033:0x7eff7bd5d54e
[   19.811954][  T354] Code: 4d 89 d8 e8 b4 bd 00 00 4c 8b 5d f8 41 8b 93 08 03 00 00 59 5e 48 83 f8 fc 74 11 c9 c3 0f 1f 80 00 00 00 00 48 8b 45 10 0f 05 <c9> c3 83 e2 39 83 fa 08 75 e7 e8 03 ff ff ff 0f 1f 00 f3 0f 1e fa
All code
========
   0:	4d 89 d8             	mov    %r11,%r8
   3:	e8 b4 bd 00 00       	call   0xbdbc
   8:	4c 8b 5d f8          	mov    -0x8(%rbp),%r11
   c:	41 8b 93 08 03 00 00 	mov    0x308(%r11),%edx
  13:	59                   	pop    %rcx
  14:	5e                   	pop    %rsi
  15:	48 83 f8 fc          	cmp    $0xfffffffffffffffc,%rax
  19:	74 11                	je     0x2c
  1b:	c9                   	leave
  1c:	c3                   	ret
  1d:	0f 1f 80 00 00 00 00 	nopl   0x0(%rax)
  24:	48 8b 45 10          	mov    0x10(%rbp),%rax
  28:	0f 05                	syscall
  2a:*	c9                   	leave		<-- trapping instruction
  2b:	c3                   	ret
  2c:	83 e2 39             	and    $0x39,%edx
  2f:	83 fa 08             	cmp    $0x8,%edx
  32:	75 e7                	jne    0x1b
  34:	e8 03 ff ff ff       	call   0xffffffffffffff3c
  39:	0f 1f 00             	nopl   (%rax)
  3c:	f3 0f 1e fa          	endbr64

Code starting with the faulting instruction
===========================================
   0:	c9                   	leave
   1:	c3                   	ret
   2:	83 e2 39             	and    $0x39,%edx
   5:	83 fa 08             	cmp    $0x8,%edx
   8:	75 e7                	jne    0xfffffffffffffff1
   a:	e8 03 ff ff ff       	call   0xffffffffffffff12
   f:	0f 1f 00             	nopl   (%rax)
  12:	f3 0f 1e fa          	endbr64
[   19.811956][  T354] RSP: 002b:00007ffe92ed8e00 EFLAGS: 00000202 ORIG_RAX: 000000000000002e
[   19.811958][  T354] RAX: ffffffffffffffda RBX: 0000000000000003 RCX: 00007eff7bd5d54e
[   19.811959][  T354] RDX: 0000000000000000 RSI: 00007ffe92ed8eb0 RDI: 0000000000000005
[   19.811960][  T354] RBP: 00007ffe92ed8e10 R08: 0000000000000000 R09: 0000000000000000
[   19.811961][  T354] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a916183
[   19.811962][  T354] R13: 00000000004a1620 R14: 0000000000000000 R15: 00007ffe92ed9580
| [   20.818665][  T364] softirqs last disabled at (29210): netif_change_name (./include/linux/spinlock.h:353 ./include/linux/seqlock.h:908 net/core/dev.c:1499)
| [   20.818668][  T364] Preemption disabled at:
| [   20.818668][  T364] vprintk_emit (kernel/printk/printk.c:2471)
| [   20.818677][  T364] Tainted: [W]=WARN
[   20.818678][  T364] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   20.818679][  T364] Call Trace:
[   20.818681][  T364]  <TASK>
[   20.818682][  T364]  dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120)
[   20.818687][  T364]  ? vprintk_emit (kernel/printk/printk.c:2471)
[   20.818689][  T364]  __might_resched.cold (kernel/sched/core.c:9234)
[   20.818699][  T364]  ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3))
[   20.818702][  T364]  ? __kmalloc_noprof (./include/linux/sched/mm.h:317 mm/slub.c:4636 mm/slub.c:4974 mm/slub.c:5413 mm/slub.c:5439)
[   20.818707][  T364]  __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))
[   20.818710][  T364]  ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[   20.818716][  T364]  ? 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)
[   20.818719][  T364]  alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[   20.818723][  T364]  put_chars (drivers/char/virtio_console.c:1176)
[   20.818726][  T364]  ? __send_to_port (drivers/char/virtio_console.c:654)
[   20.818729][  T364]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380)
[   20.818733][  T364]  ? validate_chain (kernel/locking/lockdep.c:3817 (discriminator 2) kernel/locking/lockdep.c:3837 (discriminator 2) kernel/locking/lockdep.c:3892 (discriminator 2))
[   20.818737][  T364]  hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2))
[   20.818741][  T364]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   20.818743][  T364]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   20.818747][  T364]  ? hvc_write (drivers/tty/hvc/hvc_console.c:501)
[   20.818751][  T364]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   20.818753][  T364]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   20.818757][  T364]  console_emit_next_record (kernel/printk/printk.c:3183)
[   20.818761][  T364]  ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20)
[   20.818762][  T364]  ? 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))
[   20.818765][  T364]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   20.818766][  T364]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   20.818771][  T364]  console_flush_one_record (kernel/printk/printk.c:3268)
[   20.818774][  T364]  ? console_emit_next_record (kernel/printk/printk.c:3150)
[   20.818776][  T364]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   20.818781][  T364]  console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420)
[   20.818783][  T364]  ? console_flush_one_record (kernel/printk/printk.c:3316)
[   20.818785][  T364]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   20.818787][  T364]  ? lock_acquire (kernel/locking/lockdep.c:5913)
[   20.818790][  T364]  ? __down_trylock_console_sem (kernel/printk/printk.c:334)
[   20.818792][  T364]  ? vprintk_emit (kernel/printk/printk.c:2478)
[   20.818795][  T364]  vprintk_emit (kernel/printk/printk.c:2479)
[   20.818799][  T364]  ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126))
[   20.818801][  T364]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   20.818803][  T364]  ? save_trace (kernel/locking/lockdep.c:154 (discriminator 6) kernel/locking/lockdep.c:150 (discriminator 6) kernel/locking/lockdep.c:202 (discriminator 6) kernel/locking/lockdep.c:577 (discriminator 6))
[   20.818805][  T364]  ? find_held_lock (kernel/locking/lockdep.c:5360)
[   20.818809][  T364]  _printk (kernel/printk/printk.c:2504)
[   20.818812][  T364]  ? snapshot_read.cold (user.c:?)
[   20.818814][  T364]  ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4116 (discriminator 3) kernel/rcu/tree.c:4108 (discriminator 3))
[   20.818817][  T364]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380)
[   20.818819][  T364]  ? validate_chain (kernel/locking/lockdep.c:3817 (discriminator 2) kernel/locking/lockdep.c:3837 (discriminator 2) kernel/locking/lockdep.c:3892 (discriminator 2))
[   20.818821][  T364]  ? netdev_name (./include/linux/netdevice.h:5709 (discriminator 1))
[   20.818824][  T364]  ? __netdev_printk (net/core/dev.c:13148 (discriminator 2))
[   20.818827][  T364]  ? do_setlink.isra.0 (net/core/rtnetlink.c:3246)
[   20.818829][  T364]  netdev_info (net/core/dev.c:13195 (discriminator 3))
[   20.818832][  T364]  ? netdev_notice (net/core/dev.c:13194)
[   20.818834][  T364]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[   20.818837][  T364]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554)
[   20.818840][  T364]  ? mark_held_locks (kernel/locking/lockdep.c:4341)
[   20.818844][  T364]  ? do_setlink.isra.0 (net/core/rtnetlink.c:3246)
[   20.818846][  T364]  netif_change_name.cold (net/core/dev.c:1507 (discriminator 3))
[   20.818849][  T364]  ? 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))
[   20.818855][  T364]  ? netdev_adjacent_rename_links (net/core/dev.c:9598)
[   20.818857][  T364]  ? __kernel_text_address (kernel/extable.c:79)
[   20.818860][  T364]  ? write_profile (profile.c:?)
[   20.818864][  T364]  ? __asan_memset (mm/kasan/shadow.c:84 (discriminator 1))
[   20.818869][  T364]  do_setlink.isra.0 (net/core/rtnetlink.c:3246)
[   20.818873][  T364]  ? stack_trace_save (kernel/stacktrace.c:122 (discriminator 1))
[   20.818876][  T364]  ? rtnl_link_get_size (net/core/rtnetlink.c:747)
[   20.818877][  T364]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:388 kernel/rcu/update.c:380)
[   20.818879][  T364]  ? stack_depot_save_flags (lib/stackdepot.c:609 (discriminator 2) lib/stackdepot.c:676 (discriminator 2))
[   20.818882][  T364]  ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4116 (discriminator 3) kernel/rcu/tree.c:4108 (discriminator 3))
[   20.818884][  T364]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380)
[   20.818886][  T364]  ? validate_chain (kernel/locking/lockdep.c:3817 (discriminator 2) kernel/locking/lockdep.c:3837 (discriminator 2) kernel/locking/lockdep.c:3892 (discriminator 2))
[   20.818889][  T364]  ? kasan_save_stack (mm/kasan/common.c:58)
[   20.818892][  T364]  ? kasan_save_stack (mm/kasan/common.c:57)
[   20.818894][  T364]  ? kasan_save_track (mm/kasan/common.c:78)
[   20.818897][  T364]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   20.818899][  T364]  ? netlink_update_listeners (net/netlink/af_netlink.c:532)
[   20.818902][  T364]  ? ___sys_sendmsg (net/socket.c:2744 net/socket.c:2763)
[   20.818907][  T364]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2))
[   20.818909][  T364]  ? rtnl_newlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:366 net/core/rtnetlink.c:4214)
[   20.818911][  T364]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   20.818913][  T364]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   20.818915][  T364]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   20.818916][  T364]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   20.818918][  T364]  ? trace_contention_end (./include/trace/events/lock.h:121 (discriminator 22))
[   20.818921][  T364]  ? __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)
[   20.818924][  T364]  ? __mutex_lock (kernel/locking/mutex.c:656 (discriminator 1) kernel/locking/mutex.c:821 (discriminator 1))
[   20.818927][  T364]  ? rtnl_newlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:366 net/core/rtnetlink.c:4214)
[   20.818930][  T364]  ? ww_mutex_lock (kernel/locking/mutex.c:934)
[   20.818932][  T364]  ? nla_get_range_signed (lib/nlattr.c:270)
[   20.818938][  T364]  ? __rtnl_newlink (net/core/rtnetlink.c:4063)
[   20.818943][  T364]  rtnl_newlink (net/core/rtnetlink.c:4215)
[   20.818948][  T364]  ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558)
[   20.818950][  T364]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   20.818954][  T364]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2))
[   20.818957][  T364]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[   20.818959][  T364]  ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558)
[   20.818961][  T364]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554)
[   20.818964][  T364]  ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558)
[   20.818966][  T364]  rtnetlink_rcv_msg (net/core/rtnetlink.c:7132)
[   20.818970][  T364]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   20.818971][  T364]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   20.818976][  T364]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2))
[   20.818978][  T364]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[   20.818981][  T364]  netlink_rcv_skb (net/netlink/af_netlink.c:2556)
[   20.818983][  T364]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   20.818986][  T364]  ? netlink_ack (./include/linux/skbuff.h:2718)
[   20.818992][  T364]  ? 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))
[   20.818993][  T364]  ? 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))
[   20.818998][  T364]  netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[   20.819001][  T364]  ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[   20.819004][  T364]  ? __lock_acquire (kernel/locking/lockdep.c:5251 (discriminator 3))
[   20.819008][  T364]  netlink_sendmsg (net/netlink/af_netlink.c:1900)
[   20.819012][  T364]  ? netlink_unicast (./include/net/net_namespace.h:422 (discriminator 7))
[   20.819013][  T364]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554)
[   20.819016][  T364]  ? __might_fault (mm/memory.c:7482 (discriminator 5))
[   20.819020][  T364]  ? __might_fault (mm/memory.c:7482 (discriminator 5))
[   20.819024][  T364]  ____sys_sendmsg (net/socket.c:800 (discriminator 4) net/socket.c:815 (discriminator 4) net/socket.c:2713 (discriminator 4))
[   20.819026][  T364]  ? copy_msghdr_from_user (net/socket.c:2650)
[   20.819029][  T364]  ? get_timestamp.constprop.0 (./include/linux/netdevice.h:5399)
[   20.819030][  T364]  ? move_addr_to_kernel (./include/linux/audit.h:354 (discriminator 1))
[   20.819037][  T364]  ___sys_sendmsg (net/socket.c:2767)
[   20.819040][  T364]  ? copy_msghdr_from_user (net/socket.c:2619)
[   20.819056][  T364]  __sys_sendmsg (net/socket.c:2799)
[   20.819059][  T364]  ? __sys_sendmsg_sock (net/socket.c:2780)
[   20.819066][  T364]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   20.819069][  T364]  do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84)
[   20.819071][  T364]  ? exc_page_fault (arch/x86/mm/fault.c:1489 (discriminator 3) arch/x86/mm/fault.c:1536 (discriminator 3))
[   20.819075][  T364]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[   20.819077][  T364] RIP: 0033:0x7f437b9a154e
[   20.819081][  T364] 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
[   20.819082][  T364] RSP: 002b:00007ffe24022830 EFLAGS: 00000202 ORIG_RAX: 000000000000002e
[   20.819085][  T364] RAX: ffffffffffffffda RBX: 0000000000000003 RCX: 00007f437b9a154e
[   20.819086][  T364] RDX: 0000000000000000 RSI: 00007ffe240228e0 RDI: 0000000000000005
[   20.819087][  T364] RBP: 00007ffe24022840 R08: 0000000000000000 R09: 0000000000000000
[   20.819088][  T364] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a916184
[   20.819089][  T364] R13: 00000000004a1620 R14: 0000000000000000 R15: 00007ffe24022fb0
| [   21.981074][  T376] softirqs last disabled at (23093): do_softirq (kernel/softirq.c:546 (discriminator 19) kernel/softirq.c:533 (discriminator 19))
| [   21.981077][  T376] Preemption disabled at:
| [   21.981077][  T376] vprintk_emit (kernel/printk/printk.c:2471)
| [   21.981086][  T376] Tainted: [W]=WARN
[   21.981087][  T376] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   21.981089][  T376] Call Trace:
[   21.981090][  T376]  <TASK>
[   21.981092][  T376]  dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120)
[   21.981097][  T376]  ? vprintk_emit (kernel/printk/printk.c:2471)
[   21.981099][  T376]  __might_resched.cold (kernel/sched/core.c:9234)
[   21.981103][  T376]  ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3))
[   21.981106][  T376]  ? __kmalloc_noprof (./include/linux/sched/mm.h:317 mm/slub.c:4636 mm/slub.c:4974 mm/slub.c:5413 mm/slub.c:5439)
[   21.981111][  T376]  __kmalloc_noprof (./include/linux/sched/mm.h:322 (discriminator 2) mm/slub.c:4636 (discriminator 2) mm/slub.c:4974 (discriminator 2) mm/slub.c:5413 (discriminator 2) mm/slub.c:5439 (discriminator 2))
[   21.981113][  T376]  ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[   21.981119][  T376]  ? do_raw_spin_unlock (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:32 ./include/asm-generic/qspinlock.h:58 kernel/locking/spinlock_debug.c:101 kernel/locking/spinlock_debug.c:141)
[   21.981122][  T376]  alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[   21.981126][  T376]  put_chars (drivers/char/virtio_console.c:1176)
[   21.981128][  T376]  ? __send_to_port (drivers/char/virtio_console.c:654)
[   21.981132][  T376]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380)
[   21.981136][  T376]  ? validate_chain (kernel/locking/lockdep.c:3817 (discriminator 2) kernel/locking/lockdep.c:3837 (discriminator 2) kernel/locking/lockdep.c:3892 (discriminator 2))
[   21.981143][  T376]  hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2))
[   21.981146][  T376]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   21.981148][  T376]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   21.981153][  T376]  ? hvc_write (drivers/tty/hvc/hvc_console.c:501)
[   21.981156][  T376]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   21.981158][  T376]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   21.981162][  T376]  console_emit_next_record (kernel/printk/printk.c:3183)
[   21.981166][  T376]  ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20)
[   21.981167][  T376]  ? console_flush_one_record (./include/linux/rcupdate.h:314 (discriminator 2) ./include/linux/srcu.h:439 (discriminator 2) kernel/printk/printk.c:291 (discriminator 2) kernel/printk/printk.c:3246 (discriminator 2))
[   21.981170][  T376]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   21.981172][  T376]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   21.981176][  T376]  console_flush_one_record (kernel/printk/printk.c:3268)
[   21.981180][  T376]  ? console_emit_next_record (kernel/printk/printk.c:3150)
[   21.981181][  T376]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   21.981186][  T376]  console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420)
[   21.981189][  T376]  ? console_flush_one_record (kernel/printk/printk.c:3316)
[   21.981190][  T376]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   21.981192][  T376]  ? lock_acquire (kernel/locking/lockdep.c:5913)
[   21.981195][  T376]  ? __down_trylock_console_sem (kernel/printk/printk.c:334)
[   21.981197][  T376]  ? vprintk_emit (kernel/printk/printk.c:2478)
[   21.981200][  T376]  vprintk_emit (kernel/printk/printk.c:2479)
[   21.981203][  T376]  ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126))
[   21.981205][  T376]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   21.981207][  T376]  ? save_trace (kernel/locking/lockdep.c:154 (discriminator 6) kernel/locking/lockdep.c:150 (discriminator 6) kernel/locking/lockdep.c:202 (discriminator 6) kernel/locking/lockdep.c:577 (discriminator 6))
[   21.981209][  T376]  ? find_held_lock (kernel/locking/lockdep.c:5360)
[   21.981213][  T376]  _printk (kernel/printk/printk.c:2504)
[   21.981216][  T376]  ? snapshot_read.cold (user.c:?)
[   21.981218][  T376]  ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4116 (discriminator 3) kernel/rcu/tree.c:4108 (discriminator 3))
[   21.981221][  T376]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380)
[   21.981223][  T376]  ? validate_chain (kernel/locking/lockdep.c:3817 (discriminator 2) kernel/locking/lockdep.c:3837 (discriminator 2) kernel/locking/lockdep.c:3892 (discriminator 2))
[   21.981225][  T376]  ? netdev_name (./include/linux/netdevice.h:5709 (discriminator 1))
[   21.981228][  T376]  ? __netdev_printk (net/core/dev.c:13148 (discriminator 2))
[   21.981231][  T376]  ? do_setlink.isra.0 (net/core/rtnetlink.c:3246)
[   21.981233][  T376]  netdev_info (net/core/dev.c:13195 (discriminator 3))
[   21.981236][  T376]  ? netdev_notice (net/core/dev.c:13194)
[   21.981238][  T376]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[   21.981241][  T376]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554)
[   21.981244][  T376]  ? mark_held_locks (kernel/locking/lockdep.c:4341)
[   21.981247][  T376]  ? do_setlink.isra.0 (net/core/rtnetlink.c:3246)
[   21.981249][  T376]  netif_change_name.cold (net/core/dev.c:1507 (discriminator 3))
[   21.981252][  T376]  ? is_bpf_text_address (./include/linux/rcupdate.h:319 (discriminator 2) ./include/linux/rcupdate.h:880 (discriminator 2) kernel/bpf/core.c:751 (discriminator 2))
[   21.981258][  T376]  ? netdev_adjacent_rename_links (net/core/dev.c:9598)
[   21.981262][  T376]  ? __kernel_text_address (kernel/extable.c:79)
[   21.981265][  T376]  ? write_profile (profile.c:?)
[   21.981268][  T376]  ? __asan_memset (mm/kasan/shadow.c:84 (discriminator 1))
[   21.981273][  T376]  do_setlink.isra.0 (net/core/rtnetlink.c:3246)
[   21.981277][  T376]  ? stack_trace_save (kernel/stacktrace.c:122 (discriminator 1))
[   21.981280][  T376]  ? rtnl_link_get_size (net/core/rtnetlink.c:747)
[   21.981281][  T376]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:388 kernel/rcu/update.c:380)
[   21.981283][  T376]  ? stack_depot_save_flags (lib/stackdepot.c:609 (discriminator 2) lib/stackdepot.c:676 (discriminator 2))
[   21.981286][  T376]  ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4116 (discriminator 3) kernel/rcu/tree.c:4108 (discriminator 3))
[   21.981288][  T376]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380)
[   21.981290][  T376]  ? validate_chain (kernel/locking/lockdep.c:3817 (discriminator 2) kernel/locking/lockdep.c:3837 (discriminator 2) kernel/locking/lockdep.c:3892 (discriminator 2))
[   21.981293][  T376]  ? kasan_save_stack (mm/kasan/common.c:58)
[   21.981296][  T376]  ? kasan_save_stack (mm/kasan/common.c:57)
[   21.981298][  T376]  ? kasan_save_track (mm/kasan/common.c:78)
[   21.981301][  T376]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   21.981303][  T376]  ? netlink_update_listeners (net/netlink/af_netlink.c:532)
[   21.981306][  T376]  ? ___sys_sendmsg (net/socket.c:2744 net/socket.c:2763)
[   21.981310][  T376]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2))
[   21.981312][  T376]  ? rtnl_newlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:366 net/core/rtnetlink.c:4214)
[   21.981315][  T376]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   21.981317][  T376]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   21.981319][  T376]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   21.981320][  T376]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   21.981322][  T376]  ? trace_contention_end (./include/trace/events/lock.h:121 (discriminator 22))
[   21.981325][  T376]  ? __mutex_lock (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:3188 kernel/locking/mutex.c:89 kernel/locking/mutex.c:134 kernel/locking/mutex.c:649 kernel/locking/mutex.c:821)
[   21.981328][  T376]  ? __mutex_lock (kernel/locking/mutex.c:656 (discriminator 1) kernel/locking/mutex.c:821 (discriminator 1))
[   21.981330][  T376]  ? rtnl_newlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:366 net/core/rtnetlink.c:4214)
[   21.981334][  T376]  ? ww_mutex_lock (kernel/locking/mutex.c:934)
[   21.981335][  T376]  ? nla_get_range_signed (lib/nlattr.c:270)
[   21.981341][  T376]  ? __rtnl_newlink (net/core/rtnetlink.c:4063)
[   21.981346][  T376]  rtnl_newlink (net/core/rtnetlink.c:4215)
[   21.981352][  T376]  ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558)
[   21.981353][  T376]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   21.981358][  T376]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2))
[   21.981360][  T376]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[   21.981362][  T376]  ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558)
[   21.981364][  T376]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554)
[   21.981368][  T376]  ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558)
[   21.981369][  T376]  rtnetlink_rcv_msg (net/core/rtnetlink.c:7132)
[   21.981372][  T376]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   21.981374][  T376]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   21.981378][  T376]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2))
[   21.981380][  T376]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[   21.981384][  T376]  netlink_rcv_skb (net/netlink/af_netlink.c:2556)
[   21.981386][  T376]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   21.981388][  T376]  ? netlink_ack (./include/linux/skbuff.h:2718)
[   21.981395][  T376]  ? netlink_deliver_tap (./include/linux/rcupdate.h:319 (discriminator 2) ./include/linux/rcupdate.h:880 (discriminator 2) ./include/net/netns/generic.h:48 (discriminator 2) net/netlink/af_netlink.c:334 (discriminator 2))
[   21.981396][  T376]  ? netlink_deliver_tap (./include/linux/rcupdate.h:319 (discriminator 2) ./include/linux/rcupdate.h:880 (discriminator 2) net/netlink/af_netlink.c:341 (discriminator 2))
[   21.981401][  T376]  netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[   21.981404][  T376]  ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[   21.981407][  T376]  ? __lock_acquire (kernel/locking/lockdep.c:5251 (discriminator 3))
[   21.981411][  T376]  netlink_sendmsg (net/netlink/af_netlink.c:1900)
[   21.981415][  T376]  ? netlink_unicast (./include/net/net_namespace.h:422 (discriminator 7))
[   21.981416][  T376]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554)
[   21.981419][  T376]  ? __might_fault (mm/memory.c:7482 (discriminator 5))
[   21.981423][  T376]  ? __might_fault (mm/memory.c:7482 (discriminator 5))
[   21.981427][  T376]  ____sys_sendmsg (net/socket.c:800 (discriminator 4) net/socket.c:815 (discriminator 4) net/socket.c:2713 (discriminator 4))
[   21.981429][  T376]  ? copy_msghdr_from_user (net/socket.c:2650)
[   21.981432][  T376]  ? get_timestamp.constprop.0 (./include/linux/netdevice.h:5399)
[   21.981433][  T376]  ? move_addr_to_kernel (./include/linux/audit.h:354 (discriminator 1))
[   21.981440][  T376]  ___sys_sendmsg (net/socket.c:2767)
[   21.981443][  T376]  ? copy_msghdr_from_user (net/socket.c:2619)
[   21.981459][  T376]  __sys_sendmsg (net/socket.c:2799)
[   21.981462][  T376]  ? __sys_sendmsg_sock (net/socket.c:2780)
[   21.981468][  T376]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   21.981471][  T376]  do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84)
[   21.981474][  T376]  ? exc_page_fault (arch/x86/mm/fault.c:1489 (discriminator 3) arch/x86/mm/fault.c:1536 (discriminator 3))
[   21.981477][  T376]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[   21.981479][  T376] RIP: 0033:0x7f44c05b354e
[   21.981483][  T376] Code: 4d 89 d8 e8 b4 bd 00 00 4c 8b 5d f8 41 8b 93 08 03 00 00 59 5e 48 83 f8 fc 74 11 c9 c3 0f 1f 80 00 00 00 00 48 8b 45 10 0f 05 <c9> c3 83 e2 39 83 fa 08 75 e7 e8 03 ff ff ff 0f 1f 00 f3 0f 1e fa
All code
========
   0:	4d 89 d8             	mov    %r11,%r8
   3:	e8 b4 bd 00 00       	call   0xbdbc
   8:	4c 8b 5d f8          	mov    -0x8(%rbp),%r11
   c:	41 8b 93 08 03 00 00 	mov    0x308(%r11),%edx
  13:	59                   	pop    %rcx
  14:	5e                   	pop    %rsi
  15:	48 83 f8 fc          	cmp    $0xfffffffffffffffc,%rax
  19:	74 11                	je     0x2c
  1b:	c9                   	leave
  1c:	c3                   	ret
  1d:	0f 1f 80 00 00 00 00 	nopl   0x0(%rax)
  24:	48 8b 45 10          	mov    0x10(%rbp),%rax
  28:	0f 05                	syscall
  2a:*	c9                   	leave		<-- trapping instruction
  2b:	c3                   	ret
  2c:	83 e2 39             	and    $0x39,%edx
  2f:	83 fa 08             	cmp    $0x8,%edx
  32:	75 e7                	jne    0x1b
  34:	e8 03 ff ff ff       	call   0xffffffffffffff3c
  39:	0f 1f 00             	nopl   (%rax)
  3c:	f3 0f 1e fa          	endbr64

Code starting with the faulting instruction
===========================================
   0:	c9                   	leave
   1:	c3                   	ret
   2:	83 e2 39             	and    $0x39,%edx
   5:	83 fa 08             	cmp    $0x8,%edx
   8:	75 e7                	jne    0xfffffffffffffff1
   a:	e8 03 ff ff ff       	call   0xffffffffffffff12
   f:	0f 1f 00             	nopl   (%rax)
  12:	f3 0f 1e fa          	endbr64
[   21.981485][  T376] RSP: 002b:00007ffcb3fa2f70 EFLAGS: 00000202 ORIG_RAX: 000000000000002e
[   21.981487][  T376] RAX: ffffffffffffffda RBX: 0000000000000003 RCX: 00007f44c05b354e
[   21.981488][  T376] RDX: 0000000000000000 RSI: 00007ffcb3fa3020 RDI: 0000000000000005
[   21.981489][  T376] RBP: 00007ffcb3fa2f80 R08: 0000000000000000 R09: 0000000000000000
[   21.981490][  T376] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a916185
[   21.981491][  T376] R13: 00000000004a1620 R14: 0000000000000000 R15: 00007ffcb3fa36f0
| [   23.075109][  T388] softirqs last disabled at (21174): netif_change_name (./include/linux/spinlock.h:353 ./include/linux/seqlock.h:908 net/core/dev.c:1499)
| [   23.075112][  T388] Preemption disabled at:
| [   23.075112][  T388] vprintk_emit (kernel/printk/printk.c:2471)
| [   23.075120][  T388] Tainted: [W]=WARN
[   23.075121][  T388] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   23.075123][  T388] Call Trace:
[   23.075124][  T388]  <TASK>
[   23.075126][  T388]  dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120)
[   23.075131][  T388]  ? vprintk_emit (kernel/printk/printk.c:2471)
[   23.075132][  T388]  __might_resched.cold (kernel/sched/core.c:9234)
[   23.075137][  T388]  ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3))
[   23.075140][  T388]  ? __kmalloc_noprof (./include/linux/sched/mm.h:317 mm/slub.c:4636 mm/slub.c:4974 mm/slub.c:5413 mm/slub.c:5439)
[   23.075145][  T388]  __kmalloc_noprof (./include/linux/sched/mm.h:322 (discriminator 2) mm/slub.c:4636 (discriminator 2) mm/slub.c:4974 (discriminator 2) mm/slub.c:5413 (discriminator 2) mm/slub.c:5439 (discriminator 2))
[   23.075148][  T388]  ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[   23.075154][  T388]  ? do_raw_spin_unlock (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:32 ./include/asm-generic/qspinlock.h:58 kernel/locking/spinlock_debug.c:101 kernel/locking/spinlock_debug.c:141)
[   23.075157][  T388]  alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[   23.075160][  T388]  put_chars (drivers/char/virtio_console.c:1176)
[   23.075163][  T388]  ? __send_to_port (drivers/char/virtio_console.c:654)
[   23.075166][  T388]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380)
[   23.075170][  T388]  ? validate_chain (kernel/locking/lockdep.c:3817 (discriminator 2) kernel/locking/lockdep.c:3837 (discriminator 2) kernel/locking/lockdep.c:3892 (discriminator 2))
[   23.075175][  T388]  hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2))
[   23.075178][  T388]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   23.075180][  T388]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   23.075185][  T388]  ? hvc_write (drivers/tty/hvc/hvc_console.c:501)
[   23.075188][  T388]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   23.075190][  T388]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   23.075195][  T388]  console_emit_next_record (kernel/printk/printk.c:3183)
[   23.075198][  T388]  ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20)
[   23.075199][  T388]  ? console_flush_one_record (./include/linux/rcupdate.h:314 (discriminator 2) ./include/linux/srcu.h:439 (discriminator 2) kernel/printk/printk.c:291 (discriminator 2) kernel/printk/printk.c:3246 (discriminator 2))
[   23.075202][  T388]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   23.075204][  T388]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   23.075208][  T388]  console_flush_one_record (kernel/printk/printk.c:3268)
[   23.075211][  T388]  ? console_emit_next_record (kernel/printk/printk.c:3150)
[   23.075213][  T388]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   23.075218][  T388]  console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420)
[   23.075220][  T388]  ? console_flush_one_record (kernel/printk/printk.c:3316)
[   23.075222][  T388]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   23.075223][  T388]  ? lock_acquire (kernel/locking/lockdep.c:5913)
[   23.075227][  T388]  ? __down_trylock_console_sem (kernel/printk/printk.c:334)
[   23.075229][  T388]  ? vprintk_emit (kernel/printk/printk.c:2478)
[   23.075232][  T388]  vprintk_emit (kernel/printk/printk.c:2479)
[   23.075236][  T388]  ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126))
[   23.075237][  T388]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   23.075239][  T388]  ? save_trace (kernel/locking/lockdep.c:154 (discriminator 6) kernel/locking/lockdep.c:150 (discriminator 6) kernel/locking/lockdep.c:202 (discriminator 6) kernel/locking/lockdep.c:577 (discriminator 6))
[   23.075241][  T388]  ? find_held_lock (kernel/locking/lockdep.c:5360)
[   23.075245][  T388]  _printk (kernel/printk/printk.c:2504)
[   23.075249][  T388]  ? snapshot_read.cold (user.c:?)
[   23.075250][  T388]  ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4116 (discriminator 3) kernel/rcu/tree.c:4108 (discriminator 3))
[   23.075253][  T388]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380)
[   23.075255][  T388]  ? validate_chain (kernel/locking/lockdep.c:3817 (discriminator 2) kernel/locking/lockdep.c:3837 (discriminator 2) kernel/locking/lockdep.c:3892 (discriminator 2))
[   23.075258][  T388]  ? netdev_name (./include/linux/netdevice.h:5709 (discriminator 1))
[   23.075261][  T388]  ? __netdev_printk (net/core/dev.c:13148 (discriminator 2))
[   23.075263][  T388]  ? do_setlink.isra.0 (net/core/rtnetlink.c:3246)
[   23.075265][  T388]  netdev_info (net/core/dev.c:13195 (discriminator 3))
[   23.075268][  T388]  ? netdev_notice (net/core/dev.c:13194)
[   23.075270][  T388]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[   23.075273][  T388]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554)
[   23.075276][  T388]  ? mark_held_locks (kernel/locking/lockdep.c:4341)
[   23.075280][  T388]  ? do_setlink.isra.0 (net/core/rtnetlink.c:3246)
[   23.075282][  T388]  netif_change_name.cold (net/core/dev.c:1507 (discriminator 3))
[   23.075285][  T388]  ? is_bpf_text_address (./include/linux/rcupdate.h:319 (discriminator 2) ./include/linux/rcupdate.h:880 (discriminator 2) kernel/bpf/core.c:751 (discriminator 2))
[   23.075291][  T388]  ? netdev_adjacent_rename_links (net/core/dev.c:9598)
[   23.075293][  T388]  ? __kernel_text_address (kernel/extable.c:79)
[   23.075296][  T388]  ? write_profile (profile.c:?)
[   23.075300][  T388]  ? __asan_memset (mm/kasan/shadow.c:84 (discriminator 1))
[   23.075306][  T388]  do_setlink.isra.0 (net/core/rtnetlink.c:3246)
[   23.075310][  T388]  ? stack_trace_save (kernel/stacktrace.c:122 (discriminator 1))
[   23.075312][  T388]  ? rtnl_link_get_size (net/core/rtnetlink.c:747)
[   23.075313][  T388]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:388 kernel/rcu/update.c:380)
[   23.075315][  T388]  ? stack_depot_save_flags (lib/stackdepot.c:609 (discriminator 2) lib/stackdepot.c:676 (discriminator 2))
[   23.075319][  T388]  ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4116 (discriminator 3) kernel/rcu/tree.c:4108 (discriminator 3))
[   23.075321][  T388]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380)
[   23.075323][  T388]  ? validate_chain (kernel/locking/lockdep.c:3817 (discriminator 2) kernel/locking/lockdep.c:3837 (discriminator 2) kernel/locking/lockdep.c:3892 (discriminator 2))
[   23.075326][  T388]  ? kasan_save_stack (mm/kasan/common.c:58)
[   23.075329][  T388]  ? kasan_save_stack (mm/kasan/common.c:57)
[   23.075330][  T388]  ? kasan_save_track (mm/kasan/common.c:78)
[   23.075333][  T388]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   23.075335][  T388]  ? netlink_update_listeners (net/netlink/af_netlink.c:532)
[   23.075338][  T388]  ? ___sys_sendmsg (net/socket.c:2744 net/socket.c:2763)
[   23.075343][  T388]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2))
[   23.075345][  T388]  ? rtnl_newlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:366 net/core/rtnetlink.c:4214)
[   23.075348][  T388]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   23.075349][  T388]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   23.075351][  T388]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   23.075352][  T388]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   23.075354][  T388]  ? trace_contention_end (./include/trace/events/lock.h:121 (discriminator 22))
[   23.075356][  T388]  ? __mutex_lock (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:3188 kernel/locking/mutex.c:89 kernel/locking/mutex.c:134 kernel/locking/mutex.c:649 kernel/locking/mutex.c:821)
[   23.075360][  T388]  ? __mutex_lock (kernel/locking/mutex.c:656 (discriminator 1) kernel/locking/mutex.c:821 (discriminator 1))
[   23.075362][  T388]  ? rtnl_newlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:366 net/core/rtnetlink.c:4214)
[   23.075365][  T388]  ? ww_mutex_lock (kernel/locking/mutex.c:934)
[   23.075367][  T388]  ? nla_get_range_signed (lib/nlattr.c:270)
[   23.075373][  T388]  ? __rtnl_newlink (net/core/rtnetlink.c:4063)
[   23.075378][  T388]  rtnl_newlink (net/core/rtnetlink.c:4215)
[   23.075383][  T388]  ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558)
[   23.075385][  T388]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   23.075390][  T388]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2))
[   23.075392][  T388]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[   23.075394][  T388]  ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558)
[   23.075396][  T388]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554)
[   23.075400][  T388]  ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558)
[   23.075402][  T388]  rtnetlink_rcv_msg (net/core/rtnetlink.c:7132)
[   23.075405][  T388]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   23.075407][  T388]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   23.075411][  T388]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2))
[   23.075413][  T388]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[   23.075417][  T388]  netlink_rcv_skb (net/netlink/af_netlink.c:2556)
[   23.075419][  T388]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   23.075422][  T388]  ? netlink_ack (./include/linux/skbuff.h:2718)
[   23.075428][  T388]  ? netlink_deliver_tap (./include/linux/rcupdate.h:319 (discriminator 2) ./include/linux/rcupdate.h:880 (discriminator 2) ./include/net/netns/generic.h:48 (discriminator 2) net/netlink/af_netlink.c:334 (discriminator 2))
[   23.075429][  T388]  ? netlink_deliver_tap (./include/linux/rcupdate.h:319 (discriminator 2) ./include/linux/rcupdate.h:880 (discriminator 2) net/netlink/af_netlink.c:341 (discriminator 2))
[   23.075434][  T388]  netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[   23.075437][  T388]  ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[   23.075440][  T388]  ? __lock_acquire (kernel/locking/lockdep.c:5251 (discriminator 3))
[   23.075444][  T388]  netlink_sendmsg (net/netlink/af_netlink.c:1900)
[   23.075448][  T388]  ? netlink_unicast (./include/net/net_namespace.h:422 (discriminator 7))
[   23.075450][  T388]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554)
[   23.075453][  T388]  ? __might_fault (mm/memory.c:7482 (discriminator 5))
[   23.075457][  T388]  ? __might_fault (mm/memory.c:7482 (discriminator 5))
[   23.075461][  T388]  ____sys_sendmsg (net/socket.c:800 (discriminator 4) net/socket.c:815 (discriminator 4) net/socket.c:2713 (discriminator 4))
[   23.075463][  T388]  ? copy_msghdr_from_user (net/socket.c:2650)
[   23.075465][  T388]  ? get_timestamp.constprop.0 (./include/linux/netdevice.h:5399)
[   23.075467][  T388]  ? move_addr_to_kernel (./include/linux/audit.h:354 (discriminator 1))
[   23.075474][  T388]  ___sys_sendmsg (net/socket.c:2767)
[   23.075477][  T388]  ? copy_msghdr_from_user (net/socket.c:2619)
[   23.075493][  T388]  __sys_sendmsg (net/socket.c:2799)
[   23.075496][  T388]  ? __sys_sendmsg_sock (net/socket.c:2780)
[   23.075502][  T388]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   23.075505][  T388]  do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84)
[   23.075508][  T388]  ? exc_page_fault (arch/x86/mm/fault.c:1489 (discriminator 3) arch/x86/mm/fault.c:1536 (discriminator 3))
[   23.075511][  T388]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[   23.075513][  T388] RIP: 0033:0x7fc3c937a54e
[   23.075517][  T388] Code: 4d 89 d8 e8 b4 bd 00 00 4c 8b 5d f8 41 8b 93 08 03 00 00 59 5e 48 83 f8 fc 74 11 c9 c3 0f 1f 80 00 00 00 00 48 8b 45 10 0f 05 <c9> c3 83 e2 39 83 fa 08 75 e7 e8 03 ff ff ff 0f 1f 00 f3 0f 1e fa
All code
========
   0:	4d 89 d8             	mov    %r11,%r8
   3:	e8 b4 bd 00 00       	call   0xbdbc
   8:	4c 8b 5d f8          	mov    -0x8(%rbp),%r11
   c:	41 8b 93 08 03 00 00 	mov    0x308(%r11),%edx
  13:	59                   	pop    %rcx
  14:	5e                   	pop    %rsi
  15:	48 83 f8 fc          	cmp    $0xfffffffffffffffc,%rax
  19:	74 11                	je     0x2c
  1b:	c9                   	leave
  1c:	c3                   	ret
  1d:	0f 1f 80 00 00 00 00 	nopl   0x0(%rax)
  24:	48 8b 45 10          	mov    0x10(%rbp),%rax
  28:	0f 05                	syscall
  2a:*	c9                   	leave		<-- trapping instruction
  2b:	c3                   	ret
  2c:	83 e2 39             	and    $0x39,%edx
  2f:	83 fa 08             	cmp    $0x8,%edx
  32:	75 e7                	jne    0x1b
  34:	e8 03 ff ff ff       	call   0xffffffffffffff3c
  39:	0f 1f 00             	nopl   (%rax)
  3c:	f3 0f 1e fa          	endbr64

Code starting with the faulting instruction
===========================================
   0:	c9                   	leave
   1:	c3                   	ret
   2:	83 e2 39             	and    $0x39,%edx
   5:	83 fa 08             	cmp    $0x8,%edx
   8:	75 e7                	jne    0xfffffffffffffff1
   a:	e8 03 ff ff ff       	call   0xffffffffffffff12
   f:	0f 1f 00             	nopl   (%rax)
  12:	f3 0f 1e fa          	endbr64
[   23.075519][  T388] RSP: 002b:00007fffe656ae00 EFLAGS: 00000202 ORIG_RAX: 000000000000002e
[   23.075521][  T388] RAX: ffffffffffffffda RBX: 0000000000000003 RCX: 00007fc3c937a54e
[   23.075523][  T388] RDX: 0000000000000000 RSI: 00007fffe656aeb0 RDI: 0000000000000005
[   23.075524][  T388] RBP: 00007fffe656ae10 R08: 0000000000000000 R09: 0000000000000000
[   23.075524][  T388] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a916186
[   23.075525][  T388] R13: 00000000004a1620 R14: 0000000000000000 R15: 00007fffe656b580
| [   24.096984][  T399] softirqs last disabled at (27280): netif_change_name (./include/linux/spinlock.h:353 ./include/linux/seqlock.h:908 net/core/dev.c:1499)
| [   24.096986][  T399] Preemption disabled at:
| [   24.096987][  T399] vprintk_emit (kernel/printk/printk.c:2471)
| [   24.096996][  T399] Tainted: [W]=WARN
[   24.096997][  T399] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   24.096998][  T399] Call Trace:
[   24.097000][  T399]  <TASK>
[   24.097002][  T399]  dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120)
[   24.097007][  T399]  ? vprintk_emit (kernel/printk/printk.c:2471)
[   24.097009][  T399]  __might_resched.cold (kernel/sched/core.c:9234)
[   24.097014][  T399]  ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3))
[   24.097017][  T399]  ? __kmalloc_noprof (./include/linux/sched/mm.h:317 mm/slub.c:4636 mm/slub.c:4974 mm/slub.c:5413 mm/slub.c:5439)
[   24.097022][  T399]  __kmalloc_noprof (./include/linux/sched/mm.h:322 (discriminator 2) mm/slub.c:4636 (discriminator 2) mm/slub.c:4974 (discriminator 2) mm/slub.c:5413 (discriminator 2) mm/slub.c:5439 (discriminator 2))
[   24.097025][  T399]  ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[   24.097032][  T399]  ? do_raw_spin_unlock (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:32 ./include/asm-generic/qspinlock.h:58 kernel/locking/spinlock_debug.c:101 kernel/locking/spinlock_debug.c:141)
[   24.097035][  T399]  alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[   24.097038][  T399]  put_chars (drivers/char/virtio_console.c:1176)
[   24.097042][  T399]  ? __send_to_port (drivers/char/virtio_console.c:654)
[   24.097046][  T399]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380)
[   24.097050][  T399]  ? validate_chain (kernel/locking/lockdep.c:3817 (discriminator 2) kernel/locking/lockdep.c:3837 (discriminator 2) kernel/locking/lockdep.c:3892 (discriminator 2))
[   24.097055][  T399]  hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2))
[   24.097059][  T399]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   24.097061][  T399]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   24.097066][  T399]  ? hvc_write (drivers/tty/hvc/hvc_console.c:501)
[   24.097070][  T399]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   24.097072][  T399]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   24.097077][  T399]  console_emit_next_record (kernel/printk/printk.c:3183)
[   24.097081][  T399]  ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20)
[   24.097082][  T399]  ? console_flush_one_record (./include/linux/rcupdate.h:314 (discriminator 2) ./include/linux/srcu.h:439 (discriminator 2) kernel/printk/printk.c:291 (discriminator 2) kernel/printk/printk.c:3246 (discriminator 2))
[   24.097085][  T399]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   24.097087][  T399]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   24.097091][  T399]  console_flush_one_record (kernel/printk/printk.c:3268)
[   24.097095][  T399]  ? console_emit_next_record (kernel/printk/printk.c:3150)
[   24.097097][  T399]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   24.097103][  T399]  console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420)
[   24.097105][  T399]  ? console_flush_one_record (kernel/printk/printk.c:3316)
[   24.097107][  T399]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   24.097109][  T399]  ? lock_acquire (kernel/locking/lockdep.c:5913)
[   24.097113][  T399]  ? __down_trylock_console_sem (kernel/printk/printk.c:334)
[   24.097115][  T399]  ? vprintk_emit (kernel/printk/printk.c:2478)
[   24.097118][  T399]  vprintk_emit (kernel/printk/printk.c:2479)
[   24.097121][  T399]  ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126))
[   24.097123][  T399]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   24.097125][  T399]  ? save_trace (kernel/locking/lockdep.c:154 (discriminator 6) kernel/locking/lockdep.c:150 (discriminator 6) kernel/locking/lockdep.c:202 (discriminator 6) kernel/locking/lockdep.c:577 (discriminator 6))
[   24.097127][  T399]  ? find_held_lock (kernel/locking/lockdep.c:5360)
[   24.097131][  T399]  _printk (kernel/printk/printk.c:2504)
[   24.097135][  T399]  ? snapshot_read.cold (user.c:?)
[   24.097141][  T399]  ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4116 (discriminator 3) kernel/rcu/tree.c:4108 (discriminator 3))
[   24.097144][  T399]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380)
[   24.097146][  T399]  ? validate_chain (kernel/locking/lockdep.c:3817 (discriminator 2) kernel/locking/lockdep.c:3837 (discriminator 2) kernel/locking/lockdep.c:3892 (discriminator 2))
[   24.097149][  T399]  ? netdev_name (./include/linux/netdevice.h:5709 (discriminator 1))
[   24.097152][  T399]  ? __netdev_printk (net/core/dev.c:13148 (discriminator 2))
[   24.097155][  T399]  ? do_setlink.isra.0 (net/core/rtnetlink.c:3246)
[   24.097157][  T399]  netdev_info (net/core/dev.c:13195 (discriminator 3))
[   24.097159][  T399]  ? netdev_notice (net/core/dev.c:13194)
[   24.097162][  T399]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[   24.097165][  T399]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554)
[   24.097168][  T399]  ? mark_held_locks (kernel/locking/lockdep.c:4341)
[   24.097172][  T399]  ? do_setlink.isra.0 (net/core/rtnetlink.c:3246)
[   24.097174][  T399]  netif_change_name.cold (net/core/dev.c:1507 (discriminator 3))
[   24.097177][  T399]  ? is_bpf_text_address (./include/linux/rcupdate.h:319 (discriminator 2) ./include/linux/rcupdate.h:880 (discriminator 2) kernel/bpf/core.c:751 (discriminator 2))
[   24.097184][  T399]  ? netdev_adjacent_rename_links (net/core/dev.c:9598)
[   24.097187][  T399]  ? __kernel_text_address (kernel/extable.c:79)
[   24.097190][  T399]  ? write_profile (profile.c:?)
[   24.097194][  T399]  ? __asan_memset (mm/kasan/shadow.c:84 (discriminator 1))
[   24.097199][  T399]  do_setlink.isra.0 (net/core/rtnetlink.c:3246)
[   24.097204][  T399]  ? stack_trace_save (kernel/stacktrace.c:122 (discriminator 1))
[   24.097207][  T399]  ? rtnl_link_get_size (net/core/rtnetlink.c:747)
[   24.097208][  T399]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:388 kernel/rcu/update.c:380)
[   24.097210][  T399]  ? stack_depot_save_flags (lib/stackdepot.c:609 (discriminator 2) lib/stackdepot.c:676 (discriminator 2))
[   24.097214][  T399]  ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4116 (discriminator 3) kernel/rcu/tree.c:4108 (discriminator 3))
[   24.097216][  T399]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380)
[   24.097218][  T399]  ? validate_chain (kernel/locking/lockdep.c:3817 (discriminator 2) kernel/locking/lockdep.c:3837 (discriminator 2) kernel/locking/lockdep.c:3892 (discriminator 2))
[   24.097221][  T399]  ? kasan_save_stack (mm/kasan/common.c:58)
[   24.097224][  T399]  ? kasan_save_stack (mm/kasan/common.c:57)
[   24.097226][  T399]  ? kasan_save_track (mm/kasan/common.c:78)
[   24.097229][  T399]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   24.097231][  T399]  ? netlink_update_listeners (net/netlink/af_netlink.c:532)
[   24.097234][  T399]  ? ___sys_sendmsg (net/socket.c:2744 net/socket.c:2763)
[   24.097240][  T399]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2))
[   24.097242][  T399]  ? rtnl_newlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:366 net/core/rtnetlink.c:4214)
[   24.097245][  T399]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   24.097247][  T399]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   24.097249][  T399]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   24.097250][  T399]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   24.097252][  T399]  ? trace_contention_end (./include/trace/events/lock.h:121 (discriminator 22))
[   24.097254][  T399]  ? __mutex_lock (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:3188 kernel/locking/mutex.c:89 kernel/locking/mutex.c:134 kernel/locking/mutex.c:649 kernel/locking/mutex.c:821)
[   24.097258][  T399]  ? __mutex_lock (kernel/locking/mutex.c:656 (discriminator 1) kernel/locking/mutex.c:821 (discriminator 1))
[   24.097260][  T399]  ? rtnl_newlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:366 net/core/rtnetlink.c:4214)
[   24.097264][  T399]  ? ww_mutex_lock (kernel/locking/mutex.c:934)
[   24.097266][  T399]  ? nla_get_range_signed (lib/nlattr.c:270)
[   24.097272][  T399]  ? __rtnl_newlink (net/core/rtnetlink.c:4063)
[   24.097278][  T399]  rtnl_newlink (net/core/rtnetlink.c:4215)
[   24.097284][  T399]  ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558)
[   24.097286][  T399]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   24.097291][  T399]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2))
[   24.097293][  T399]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[   24.097295][  T399]  ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558)
[   24.097297][  T399]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554)
[   24.097301][  T399]  ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558)
[   24.097304][  T399]  rtnetlink_rcv_msg (net/core/rtnetlink.c:7132)
[   24.097307][  T399]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   24.097308][  T399]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   24.097313][  T399]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2))
[   24.097315][  T399]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[   24.097319][  T399]  netlink_rcv_skb (net/netlink/af_netlink.c:2556)
[   24.097321][  T399]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   24.097324][  T399]  ? netlink_ack (./include/linux/skbuff.h:2718)
[   24.097331][  T399]  ? netlink_deliver_tap (./include/linux/rcupdate.h:319 (discriminator 2) ./include/linux/rcupdate.h:880 (discriminator 2) ./include/net/netns/generic.h:48 (discriminator 2) net/netlink/af_netlink.c:334 (discriminator 2))
[   24.097333][  T399]  ? netlink_deliver_tap (./include/linux/rcupdate.h:319 (discriminator 2) ./include/linux/rcupdate.h:880 (discriminator 2) net/netlink/af_netlink.c:341 (discriminator 2))
[   24.097337][  T399]  netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[   24.097341][  T399]  ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[   24.097344][  T399]  ? __lock_acquire (kernel/locking/lockdep.c:5251 (discriminator 3))
[   24.097349][  T399]  netlink_sendmsg (net/netlink/af_netlink.c:1900)
[   24.097353][  T399]  ? netlink_unicast (./include/net/net_namespace.h:422 (discriminator 7))
[   24.097354][  T399]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554)
[   24.097358][  T399]  ? __might_fault (mm/memory.c:7482 (discriminator 5))
[   24.097361][  T399]  ? __might_fault (mm/memory.c:7482 (discriminator 5))
[   24.097366][  T399]  ____sys_sendmsg (net/socket.c:800 (discriminator 4) net/socket.c:815 (discriminator 4) net/socket.c:2713 (discriminator 4))
[   24.097368][  T399]  ? copy_msghdr_from_user (net/socket.c:2650)
[   24.097371][  T399]  ? get_timestamp.constprop.0 (./include/linux/netdevice.h:5399)
[   24.097372][  T399]  ? move_addr_to_kernel (./include/linux/audit.h:354 (discriminator 1))
[   24.097380][  T399]  ___sys_sendmsg (net/socket.c:2767)
[   24.097383][  T399]  ? copy_msghdr_from_user (net/socket.c:2619)
[   24.097402][  T399]  __sys_sendmsg (net/socket.c:2799)
[   24.097406][  T399]  ? __sys_sendmsg_sock (net/socket.c:2780)
[   24.097413][  T399]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   24.097416][  T399]  do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84)
[   24.097419][  T399]  ? exc_page_fault (arch/x86/mm/fault.c:1489 (discriminator 3) arch/x86/mm/fault.c:1536 (discriminator 3))
[   24.097422][  T399]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[   24.097425][  T399] RIP: 0033:0x7f9b9883054e
[   24.097428][  T399] Code: 4d 89 d8 e8 b4 bd 00 00 4c 8b 5d f8 41 8b 93 08 03 00 00 59 5e 48 83 f8 fc 74 11 c9 c3 0f 1f 80 00 00 00 00 48 8b 45 10 0f 05 <c9> c3 83 e2 39 83 fa 08 75 e7 e8 03 ff ff ff 0f 1f 00 f3 0f 1e fa
All code
========
   0:	4d 89 d8             	mov    %r11,%r8
   3:	e8 b4 bd 00 00       	call   0xbdbc
   8:	4c 8b 5d f8          	mov    -0x8(%rbp),%r11
   c:	41 8b 93 08 03 00 00 	mov    0x308(%r11),%edx
  13:	59                   	pop    %rcx
  14:	5e                   	pop    %rsi
  15:	48 83 f8 fc          	cmp    $0xfffffffffffffffc,%rax
  19:	74 11                	je     0x2c
  1b:	c9                   	leave
  1c:	c3                   	ret
  1d:	0f 1f 80 00 00 00 00 	nopl   0x0(%rax)
  24:	48 8b 45 10          	mov    0x10(%rbp),%rax
  28:	0f 05                	syscall
  2a:*	c9                   	leave		<-- trapping instruction
  2b:	c3                   	ret
  2c:	83 e2 39             	and    $0x39,%edx
  2f:	83 fa 08             	cmp    $0x8,%edx
  32:	75 e7                	jne    0x1b
  34:	e8 03 ff ff ff       	call   0xffffffffffffff3c
  39:	0f 1f 00             	nopl   (%rax)
  3c:	f3 0f 1e fa          	endbr64

Code starting with the faulting instruction
===========================================
   0:	c9                   	leave
   1:	c3                   	ret
   2:	83 e2 39             	and    $0x39,%edx
   5:	83 fa 08             	cmp    $0x8,%edx
   8:	75 e7                	jne    0xfffffffffffffff1
   a:	e8 03 ff ff ff       	call   0xffffffffffffff12
   f:	0f 1f 00             	nopl   (%rax)
  12:	f3 0f 1e fa          	endbr64
[   24.097430][  T399] RSP: 002b:00007ffefff19310 EFLAGS: 00000202 ORIG_RAX: 000000000000002e
[   24.097433][  T399] RAX: ffffffffffffffda RBX: 0000000000000003 RCX: 00007f9b9883054e
[   24.097434][  T399] RDX: 0000000000000000 RSI: 00007ffefff193c0 RDI: 0000000000000005
[   24.097435][  T399] RBP: 00007ffefff19320 R08: 0000000000000000 R09: 0000000000000000
[   24.097436][  T399] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a916187
[   24.097437][  T399] R13: 00000000004a1620 R14: 0000000000000000 R15: 00007ffefff19a90
| [   25.209724][  T411] softirqs last disabled at (29268): netif_change_name (./include/linux/spinlock.h:353 ./include/linux/seqlock.h:908 net/core/dev.c:1499)
| [   25.209727][  T411] Preemption disabled at:
| [   25.209727][  T411] vprintk_emit (kernel/printk/printk.c:2471)
| [   25.209736][  T411] Tainted: [W]=WARN
[   25.209737][  T411] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   25.209739][  T411] Call Trace:
[   25.209740][  T411]  <TASK>
[   25.209742][  T411]  dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120)
[   25.209747][  T411]  ? vprintk_emit (kernel/printk/printk.c:2471)
[   25.209749][  T411]  __might_resched.cold (kernel/sched/core.c:9234)
[   25.209753][  T411]  ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3))
[   25.209757][  T411]  ? __kmalloc_noprof (./include/linux/sched/mm.h:317 mm/slub.c:4636 mm/slub.c:4974 mm/slub.c:5413 mm/slub.c:5439)
[   25.209762][  T411]  __kmalloc_noprof (./include/linux/sched/mm.h:322 (discriminator 2) mm/slub.c:4636 (discriminator 2) mm/slub.c:4974 (discriminator 2) mm/slub.c:5413 (discriminator 2) mm/slub.c:5439 (discriminator 2))
[   25.209764][  T411]  ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[   25.209770][  T411]  ? do_raw_spin_unlock (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:32 ./include/asm-generic/qspinlock.h:58 kernel/locking/spinlock_debug.c:101 kernel/locking/spinlock_debug.c:141)
[   25.209773][  T411]  alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[   25.209777][  T411]  put_chars (drivers/char/virtio_console.c:1176)
[   25.209780][  T411]  ? __send_to_port (drivers/char/virtio_console.c:654)
[   25.209784][  T411]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380)
[   25.209787][  T411]  ? validate_chain (kernel/locking/lockdep.c:3817 (discriminator 2) kernel/locking/lockdep.c:3837 (discriminator 2) kernel/locking/lockdep.c:3892 (discriminator 2))
[   25.209792][  T411]  hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2))
[   25.209795][  T411]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   25.209797][  T411]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   25.209802][  T411]  ? hvc_write (drivers/tty/hvc/hvc_console.c:501)
[   25.209805][  T411]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   25.209808][  T411]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   25.209812][  T411]  console_emit_next_record (kernel/printk/printk.c:3183)
[   25.209815][  T411]  ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20)
[   25.209817][  T411]  ? console_flush_one_record (./include/linux/rcupdate.h:314 (discriminator 2) ./include/linux/srcu.h:439 (discriminator 2) kernel/printk/printk.c:291 (discriminator 2) kernel/printk/printk.c:3246 (discriminator 2))
[   25.209819][  T411]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   25.209821][  T411]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   25.209826][  T411]  console_flush_one_record (kernel/printk/printk.c:3268)
[   25.209829][  T411]  ? console_emit_next_record (kernel/printk/printk.c:3150)
[   25.209831][  T411]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   25.209836][  T411]  console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420)
[   25.209839][  T411]  ? console_flush_one_record (kernel/printk/printk.c:3316)
[   25.209840][  T411]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   25.209842][  T411]  ? lock_acquire (kernel/locking/lockdep.c:5913)
[   25.209846][  T411]  ? __down_trylock_console_sem (kernel/printk/printk.c:334)
[   25.209848][  T411]  ? vprintk_emit (kernel/printk/printk.c:2478)
[   25.209851][  T411]  vprintk_emit (kernel/printk/printk.c:2479)
[   25.209854][  T411]  ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126))
[   25.209856][  T411]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   25.209858][  T411]  ? save_trace (kernel/locking/lockdep.c:154 (discriminator 6) kernel/locking/lockdep.c:150 (discriminator 6) kernel/locking/lockdep.c:202 (discriminator 6) kernel/locking/lockdep.c:577 (discriminator 6))
[   25.209860][  T411]  ? find_held_lock (kernel/locking/lockdep.c:5360)
[   25.209864][  T411]  _printk (kernel/printk/printk.c:2504)
[   25.209867][  T411]  ? snapshot_read.cold (user.c:?)
[   25.209869][  T411]  ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4116 (discriminator 3) kernel/rcu/tree.c:4108 (discriminator 3))
[   25.209872][  T411]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380)
[   25.209874][  T411]  ? validate_chain (kernel/locking/lockdep.c:3817 (discriminator 2) kernel/locking/lockdep.c:3837 (discriminator 2) kernel/locking/lockdep.c:3892 (discriminator 2))
[   25.209876][  T411]  ? netdev_name (./include/linux/netdevice.h:5709 (discriminator 1))
[   25.209880][  T411]  ? __netdev_printk (net/core/dev.c:13148 (discriminator 2))
[   25.209882][  T411]  ? do_setlink.isra.0 (net/core/rtnetlink.c:3246)
[   25.209885][  T411]  netdev_info (net/core/dev.c:13195 (discriminator 3))
[   25.209887][  T411]  ? netdev_notice (net/core/dev.c:13194)
[   25.209890][  T411]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[   25.209893][  T411]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554)
[   25.209896][  T411]  ? mark_held_locks (kernel/locking/lockdep.c:4341)
[   25.209899][  T411]  ? do_setlink.isra.0 (net/core/rtnetlink.c:3246)
[   25.209901][  T411]  netif_change_name.cold (net/core/dev.c:1507 (discriminator 3))
[   25.209905][  T411]  ? is_bpf_text_address (./include/linux/rcupdate.h:319 (discriminator 2) ./include/linux/rcupdate.h:880 (discriminator 2) kernel/bpf/core.c:751 (discriminator 2))
[   25.209911][  T411]  ? netdev_adjacent_rename_links (net/core/dev.c:9598)
[   25.209913][  T411]  ? __kernel_text_address (kernel/extable.c:79)
[   25.209916][  T411]  ? write_profile (profile.c:?)
[   25.209920][  T411]  ? __asan_memset (mm/kasan/shadow.c:84 (discriminator 1))
[   25.209925][  T411]  do_setlink.isra.0 (net/core/rtnetlink.c:3246)
[   25.209929][  T411]  ? stack_trace_save (kernel/stacktrace.c:122 (discriminator 1))
[   25.209932][  T411]  ? rtnl_link_get_size (net/core/rtnetlink.c:747)
[   25.209933][  T411]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:388 kernel/rcu/update.c:380)
[   25.209935][  T411]  ? stack_depot_save_flags (lib/stackdepot.c:609 (discriminator 2) lib/stackdepot.c:676 (discriminator 2))
[   25.209939][  T411]  ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4116 (discriminator 3) kernel/rcu/tree.c:4108 (discriminator 3))
[   25.209941][  T411]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380)
[   25.209943][  T411]  ? validate_chain (kernel/locking/lockdep.c:3817 (discriminator 2) kernel/locking/lockdep.c:3837 (discriminator 2) kernel/locking/lockdep.c:3892 (discriminator 2))
[   25.209946][  T411]  ? kasan_save_stack (mm/kasan/common.c:58)
[   25.209949][  T411]  ? kasan_save_stack (mm/kasan/common.c:57)
[   25.209950][  T411]  ? kasan_save_track (mm/kasan/common.c:78)
[   25.209953][  T411]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   25.209955][  T411]  ? netlink_update_listeners (net/netlink/af_netlink.c:532)
[   25.209958][  T411]  ? ___sys_sendmsg (net/socket.c:2744 net/socket.c:2763)
[   25.209963][  T411]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2))
[   25.209965][  T411]  ? rtnl_newlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:366 net/core/rtnetlink.c:4214)
[   25.209968][  T411]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   25.209970][  T411]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   25.209972][  T411]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   25.209973][  T411]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   25.209975][  T411]  ? trace_contention_end (./include/trace/events/lock.h:121 (discriminator 22))
[   25.209977][  T411]  ? __mutex_lock (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:3188 kernel/locking/mutex.c:89 kernel/locking/mutex.c:134 kernel/locking/mutex.c:649 kernel/locking/mutex.c:821)
[   25.209980][  T411]  ? __mutex_lock (kernel/locking/mutex.c:656 (discriminator 1) kernel/locking/mutex.c:821 (discriminator 1))
[   25.209983][  T411]  ? rtnl_newlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:366 net/core/rtnetlink.c:4214)
[   25.209986][  T411]  ? ww_mutex_lock (kernel/locking/mutex.c:934)
[   25.209988][  T411]  ? nla_get_range_signed (lib/nlattr.c:270)
[   25.209994][  T411]  ? __rtnl_newlink (net/core/rtnetlink.c:4063)
[   25.209999][  T411]  rtnl_newlink (net/core/rtnetlink.c:4215)
[   25.210004][  T411]  ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558)
[   25.210006][  T411]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   25.210011][  T411]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2))
[   25.210013][  T411]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[   25.210015][  T411]  ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558)
[   25.210017][  T411]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554)
[   25.210021][  T411]  ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558)
[   25.210023][  T411]  rtnetlink_rcv_msg (net/core/rtnetlink.c:7132)
[   25.210026][  T411]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   25.210027][  T411]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   25.210032][  T411]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2))
[   25.210034][  T411]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[   25.210038][  T411]  netlink_rcv_skb (net/netlink/af_netlink.c:2556)
[   25.210039][  T411]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   25.210043][  T411]  ? netlink_ack (./include/linux/skbuff.h:2718)
[   25.210049][  T411]  ? netlink_deliver_tap (./include/linux/rcupdate.h:319 (discriminator 2) ./include/linux/rcupdate.h:880 (discriminator 2) ./include/net/netns/generic.h:48 (discriminator 2) net/netlink/af_netlink.c:334 (discriminator 2))
[   25.210051][  T411]  ? netlink_deliver_tap (./include/linux/rcupdate.h:319 (discriminator 2) ./include/linux/rcupdate.h:880 (discriminator 2) net/netlink/af_netlink.c:341 (discriminator 2))
[   25.210055][  T411]  netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[   25.210059][  T411]  ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[   25.210062][  T411]  ? __lock_acquire (kernel/locking/lockdep.c:5251 (discriminator 3))
[   25.210066][  T411]  netlink_sendmsg (net/netlink/af_netlink.c:1900)
[   25.210070][  T411]  ? netlink_unicast (./include/net/net_namespace.h:422 (discriminator 7))
[   25.210071][  T411]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554)
[   25.210074][  T411]  ? __might_fault (mm/memory.c:7482 (discriminator 5))
[   25.210078][  T411]  ? __might_fault (mm/memory.c:7482 (discriminator 5))
[   25.210082][  T411]  ____sys_sendmsg (net/socket.c:800 (discriminator 4) net/socket.c:815 (discriminator 4) net/socket.c:2713 (discriminator 4))
[   25.210084][  T411]  ? copy_msghdr_from_user (net/socket.c:2650)
[   25.210086][  T411]  ? get_timestamp.constprop.0 (./include/linux/netdevice.h:5399)
[   25.210088][  T411]  ? move_addr_to_kernel (./include/linux/audit.h:354 (discriminator 1))
[   25.210097][  T411]  ___sys_sendmsg (net/socket.c:2767)
[   25.210100][  T411]  ? copy_msghdr_from_user (net/socket.c:2619)
[   25.210118][  T411]  __sys_sendmsg (net/socket.c:2799)
[   25.210121][  T411]  ? __sys_sendmsg_sock (net/socket.c:2780)
[   25.210128][  T411]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   25.210131][  T411]  do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84)
[   25.210134][  T411]  ? exc_page_fault (arch/x86/mm/fault.c:1489 (discriminator 3) arch/x86/mm/fault.c:1536 (discriminator 3))
[   25.210140][  T411]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[   25.210142][  T411] RIP: 0033:0x7f9b276ea54e
[   25.210146][  T411] Code: 4d 89 d8 e8 b4 bd 00 00 4c 8b 5d f8 41 8b 93 08 03 00 00 59 5e 48 83 f8 fc 74 11 c9 c3 0f 1f 80 00 00 00 00 48 8b 45 10 0f 05 <c9> c3 83 e2 39 83 fa 08 75 e7 e8 03 ff ff ff 0f 1f 00 f3 0f 1e fa
All code
========
   0:	4d 89 d8             	mov    %r11,%r8
   3:	e8 b4 bd 00 00       	call   0xbdbc
   8:	4c 8b 5d f8          	mov    -0x8(%rbp),%r11
   c:	41 8b 93 08 03 00 00 	mov    0x308(%r11),%edx
  13:	59                   	pop    %rcx
  14:	5e                   	pop    %rsi
  15:	48 83 f8 fc          	cmp    $0xfffffffffffffffc,%rax
  19:	74 11                	je     0x2c
  1b:	c9                   	leave
  1c:	c3                   	ret
  1d:	0f 1f 80 00 00 00 00 	nopl   0x0(%rax)
  24:	48 8b 45 10          	mov    0x10(%rbp),%rax
  28:	0f 05                	syscall
  2a:*	c9                   	leave		<-- trapping instruction
  2b:	c3                   	ret
  2c:	83 e2 39             	and    $0x39,%edx
  2f:	83 fa 08             	cmp    $0x8,%edx
  32:	75 e7                	jne    0x1b
  34:	e8 03 ff ff ff       	call   0xffffffffffffff3c
  39:	0f 1f 00             	nopl   (%rax)
  3c:	f3 0f 1e fa          	endbr64

Code starting with the faulting instruction
===========================================
   0:	c9                   	leave
   1:	c3                   	ret
   2:	83 e2 39             	and    $0x39,%edx
   5:	83 fa 08             	cmp    $0x8,%edx
   8:	75 e7                	jne    0xfffffffffffffff1
   a:	e8 03 ff ff ff       	call   0xffffffffffffff12
   f:	0f 1f 00             	nopl   (%rax)
  12:	f3 0f 1e fa          	endbr64
[   25.210148][  T411] RSP: 002b:00007ffd22adfa70 EFLAGS: 00000202 ORIG_RAX: 000000000000002e
[   25.210150][  T411] RAX: ffffffffffffffda RBX: 0000000000000003 RCX: 00007f9b276ea54e
[   25.210152][  T411] RDX: 0000000000000000 RSI: 00007ffd22adfb20 RDI: 0000000000000005
[   25.210153][  T411] RBP: 00007ffd22adfa80 R08: 0000000000000000 R09: 0000000000000000
[   25.210154][  T411] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a916188
[   25.210154][  T411] R13: 00000000004a1620 R14: 0000000000000000 R15: 00007ffd22ae01f0
| [   26.327232][  T422] softirqs last disabled at (24664): netif_change_name (./include/linux/spinlock.h:353 ./include/linux/seqlock.h:908 net/core/dev.c:1499)
| [   26.327235][  T422] Preemption disabled at:
| [   26.327236][  T422] vprintk_emit (kernel/printk/printk.c:2471)
| [   26.327245][  T422] Tainted: [W]=WARN
[   26.327245][  T422] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   26.327247][  T422] Call Trace:
[   26.327248][  T422]  <TASK>
[   26.327250][  T422]  dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120)
[   26.327255][  T422]  ? vprintk_emit (kernel/printk/printk.c:2471)
[   26.327257][  T422]  __might_resched.cold (kernel/sched/core.c:9234)
[   26.327261][  T422]  ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3))
[   26.327264][  T422]  ? __kmalloc_noprof (./include/linux/sched/mm.h:317 mm/slub.c:4636 mm/slub.c:4974 mm/slub.c:5413 mm/slub.c:5439)
[   26.327269][  T422]  __kmalloc_noprof (./include/linux/sched/mm.h:322 (discriminator 2) mm/slub.c:4636 (discriminator 2) mm/slub.c:4974 (discriminator 2) mm/slub.c:5413 (discriminator 2) mm/slub.c:5439 (discriminator 2))
[   26.327272][  T422]  ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[   26.327278][  T422]  ? do_raw_spin_unlock (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:32 ./include/asm-generic/qspinlock.h:58 kernel/locking/spinlock_debug.c:101 kernel/locking/spinlock_debug.c:141)
[   26.327281][  T422]  alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[   26.327284][  T422]  put_chars (drivers/char/virtio_console.c:1176)
[   26.327287][  T422]  ? __send_to_port (drivers/char/virtio_console.c:654)
[   26.327291][  T422]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380)
[   26.327295][  T422]  ? validate_chain (kernel/locking/lockdep.c:3817 (discriminator 2) kernel/locking/lockdep.c:3837 (discriminator 2) kernel/locking/lockdep.c:3892 (discriminator 2))
[   26.327299][  T422]  hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2))
[   26.327303][  T422]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   26.327305][  T422]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   26.327309][  T422]  ? hvc_write (drivers/tty/hvc/hvc_console.c:501)
[   26.327313][  T422]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   26.327315][  T422]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   26.327320][  T422]  console_emit_next_record (kernel/printk/printk.c:3183)
[   26.327323][  T422]  ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20)
[   26.327325][  T422]  ? console_flush_one_record (./include/linux/rcupdate.h:314 (discriminator 2) ./include/linux/srcu.h:439 (discriminator 2) kernel/printk/printk.c:291 (discriminator 2) kernel/printk/printk.c:3246 (discriminator 2))
[   26.327327][  T422]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   26.327329][  T422]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   26.327334][  T422]  console_flush_one_record (kernel/printk/printk.c:3268)
[   26.327337][  T422]  ? console_emit_next_record (kernel/printk/printk.c:3150)
[   26.327339][  T422]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   26.327344][  T422]  console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420)
[   26.327347][  T422]  ? console_flush_one_record (kernel/printk/printk.c:3316)
[   26.327348][  T422]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   26.327350][  T422]  ? lock_acquire (kernel/locking/lockdep.c:5913)
[   26.327354][  T422]  ? __down_trylock_console_sem (kernel/printk/printk.c:334)
[   26.327356][  T422]  ? vprintk_emit (kernel/printk/printk.c:2478)
[   26.327359][  T422]  vprintk_emit (kernel/printk/printk.c:2479)
[   26.327362][  T422]  ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126))
[   26.327364][  T422]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   26.327366][  T422]  ? save_trace (kernel/locking/lockdep.c:154 (discriminator 6) kernel/locking/lockdep.c:150 (discriminator 6) kernel/locking/lockdep.c:202 (discriminator 6) kernel/locking/lockdep.c:577 (discriminator 6))
[   26.327368][  T422]  ? find_held_lock (kernel/locking/lockdep.c:5360)
[   26.327372][  T422]  _printk (kernel/printk/printk.c:2504)
[   26.327376][  T422]  ? snapshot_read.cold (user.c:?)
[   26.327378][  T422]  ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4116 (discriminator 3) kernel/rcu/tree.c:4108 (discriminator 3))
[   26.327381][  T422]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380)
[   26.327383][  T422]  ? validate_chain (kernel/locking/lockdep.c:3817 (discriminator 2) kernel/locking/lockdep.c:3837 (discriminator 2) kernel/locking/lockdep.c:3892 (discriminator 2))
[   26.327385][  T422]  ? netdev_name (./include/linux/netdevice.h:5709 (discriminator 1))
[   26.327388][  T422]  ? __netdev_printk (net/core/dev.c:13148 (discriminator 2))
[   26.327391][  T422]  ? do_setlink.isra.0 (net/core/rtnetlink.c:3246)
[   26.327393][  T422]  netdev_info (net/core/dev.c:13195 (discriminator 3))
[   26.327396][  T422]  ? netdev_notice (net/core/dev.c:13194)
[   26.327399][  T422]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[   26.327402][  T422]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554)
[   26.327405][  T422]  ? mark_held_locks (kernel/locking/lockdep.c:4341)
[   26.327408][  T422]  ? do_setlink.isra.0 (net/core/rtnetlink.c:3246)
[   26.327411][  T422]  netif_change_name.cold (net/core/dev.c:1507 (discriminator 3))
[   26.327414][  T422]  ? is_bpf_text_address (./include/linux/rcupdate.h:319 (discriminator 2) ./include/linux/rcupdate.h:880 (discriminator 2) kernel/bpf/core.c:751 (discriminator 2))
[   26.327420][  T422]  ? netdev_adjacent_rename_links (net/core/dev.c:9598)
[   26.327422][  T422]  ? __kernel_text_address (kernel/extable.c:79)
[   26.327425][  T422]  ? write_profile (profile.c:?)
[   26.327430][  T422]  ? __asan_memset (mm/kasan/shadow.c:84 (discriminator 1))
[   26.327435][  T422]  do_setlink.isra.0 (net/core/rtnetlink.c:3246)
[   26.327439][  T422]  ? stack_trace_save (kernel/stacktrace.c:122 (discriminator 1))
[   26.327442][  T422]  ? rtnl_link_get_size (net/core/rtnetlink.c:747)
[   26.327443][  T422]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:388 kernel/rcu/update.c:380)
[   26.327445][  T422]  ? stack_depot_save_flags (lib/stackdepot.c:609 (discriminator 2) lib/stackdepot.c:676 (discriminator 2))
[   26.327449][  T422]  ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4116 (discriminator 3) kernel/rcu/tree.c:4108 (discriminator 3))
[   26.327451][  T422]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380)
[   26.327453][  T422]  ? validate_chain (kernel/locking/lockdep.c:3817 (discriminator 2) kernel/locking/lockdep.c:3837 (discriminator 2) kernel/locking/lockdep.c:3892 (discriminator 2))
[   26.327456][  T422]  ? kasan_save_stack (mm/kasan/common.c:58)
[   26.327459][  T422]  ? kasan_save_stack (mm/kasan/common.c:57)
[   26.327460][  T422]  ? kasan_save_track (mm/kasan/common.c:78)
[   26.327463][  T422]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   26.327465][  T422]  ? netlink_update_listeners (net/netlink/af_netlink.c:532)
[   26.327468][  T422]  ? ___sys_sendmsg (net/socket.c:2744 net/socket.c:2763)
[   26.327473][  T422]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2))
[   26.327475][  T422]  ? rtnl_newlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:366 net/core/rtnetlink.c:4214)
[   26.327478][  T422]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   26.327480][  T422]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   26.327482][  T422]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   26.327483][  T422]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   26.327485][  T422]  ? trace_contention_end (./include/trace/events/lock.h:121 (discriminator 22))
[   26.327488][  T422]  ? __mutex_lock (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:3188 kernel/locking/mutex.c:89 kernel/locking/mutex.c:134 kernel/locking/mutex.c:649 kernel/locking/mutex.c:821)
[   26.327491][  T422]  ? __mutex_lock (kernel/locking/mutex.c:656 (discriminator 1) kernel/locking/mutex.c:821 (discriminator 1))
[   26.327493][  T422]  ? rtnl_newlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:366 net/core/rtnetlink.c:4214)
[   26.327497][  T422]  ? ww_mutex_lock (kernel/locking/mutex.c:934)
[   26.327498][  T422]  ? nla_get_range_signed (lib/nlattr.c:270)
[   26.327504][  T422]  ? __rtnl_newlink (net/core/rtnetlink.c:4063)
[   26.327510][  T422]  rtnl_newlink (net/core/rtnetlink.c:4215)
[   26.327515][  T422]  ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558)
[   26.327517][  T422]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   26.327522][  T422]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2))
[   26.327524][  T422]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[   26.327526][  T422]  ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558)
[   26.327527][  T422]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554)
[   26.327531][  T422]  ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558)
[   26.327533][  T422]  rtnetlink_rcv_msg (net/core/rtnetlink.c:7132)
[   26.327537][  T422]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   26.327538][  T422]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   26.327543][  T422]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2))
[   26.327545][  T422]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[   26.327548][  T422]  netlink_rcv_skb (net/netlink/af_netlink.c:2556)
[   26.327550][  T422]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   26.327553][  T422]  ? netlink_ack (./include/linux/skbuff.h:2718)
[   26.327559][  T422]  ? netlink_deliver_tap (./include/linux/rcupdate.h:319 (discriminator 2) ./include/linux/rcupdate.h:880 (discriminator 2) ./include/net/netns/generic.h:48 (discriminator 2) net/netlink/af_netlink.c:334 (discriminator 2))
[   26.327561][  T422]  ? netlink_deliver_tap (./include/linux/rcupdate.h:319 (discriminator 2) ./include/linux/rcupdate.h:880 (discriminator 2) net/netlink/af_netlink.c:341 (discriminator 2))
[   26.327565][  T422]  netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[   26.327569][  T422]  ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[   26.327571][  T422]  ? __lock_acquire (kernel/locking/lockdep.c:5251 (discriminator 3))
[   26.327576][  T422]  netlink_sendmsg (net/netlink/af_netlink.c:1900)
[   26.327579][  T422]  ? netlink_unicast (./include/net/net_namespace.h:422 (discriminator 7))
[   26.327581][  T422]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554)
[   26.327584][  T422]  ? __might_fault (mm/memory.c:7482 (discriminator 5))
[   26.327588][  T422]  ? __might_fault (mm/memory.c:7482 (discriminator 5))
[   26.327592][  T422]  ____sys_sendmsg (net/socket.c:800 (discriminator 4) net/socket.c:815 (discriminator 4) net/socket.c:2713 (discriminator 4))
[   26.327594][  T422]  ? copy_msghdr_from_user (net/socket.c:2650)
[   26.327596][  T422]  ? get_timestamp.constprop.0 (./include/linux/netdevice.h:5399)
[   26.327598][  T422]  ? move_addr_to_kernel (./include/linux/audit.h:354 (discriminator 1))
[   26.327605][  T422]  ___sys_sendmsg (net/socket.c:2767)
[   26.327608][  T422]  ? copy_msghdr_from_user (net/socket.c:2619)
[   26.327624][  T422]  __sys_sendmsg (net/socket.c:2799)
[   26.327628][  T422]  ? __sys_sendmsg_sock (net/socket.c:2780)
[   26.327634][  T422]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   26.327637][  T422]  do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84)
[   26.327640][  T422]  ? exc_page_fault (arch/x86/mm/fault.c:1489 (discriminator 3) arch/x86/mm/fault.c:1536 (discriminator 3))
[   26.327643][  T422]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[   26.327645][  T422] RIP: 0033:0x7f8335caa54e
[   26.327649][  T422] Code: 4d 89 d8 e8 b4 bd 00 00 4c 8b 5d f8 41 8b 93 08 03 00 00 59 5e 48 83 f8 fc 74 11 c9 c3 0f 1f 80 00 00 00 00 48 8b 45 10 0f 05 <c9> c3 83 e2 39 83 fa 08 75 e7 e8 03 ff ff ff 0f 1f 00 f3 0f 1e fa
All code
========
   0:	4d 89 d8             	mov    %r11,%r8
   3:	e8 b4 bd 00 00       	call   0xbdbc
   8:	4c 8b 5d f8          	mov    -0x8(%rbp),%r11
   c:	41 8b 93 08 03 00 00 	mov    0x308(%r11),%edx
  13:	59                   	pop    %rcx
  14:	5e                   	pop    %rsi
  15:	48 83 f8 fc          	cmp    $0xfffffffffffffffc,%rax
  19:	74 11                	je     0x2c
  1b:	c9                   	leave
  1c:	c3                   	ret
  1d:	0f 1f 80 00 00 00 00 	nopl   0x0(%rax)
  24:	48 8b 45 10          	mov    0x10(%rbp),%rax
  28:	0f 05                	syscall
  2a:*	c9                   	leave		<-- trapping instruction
  2b:	c3                   	ret
  2c:	83 e2 39             	and    $0x39,%edx
  2f:	83 fa 08             	cmp    $0x8,%edx
  32:	75 e7                	jne    0x1b
  34:	e8 03 ff ff ff       	call   0xffffffffffffff3c
  39:	0f 1f 00             	nopl   (%rax)
  3c:	f3 0f 1e fa          	endbr64

Code starting with the faulting instruction
===========================================
   0:	c9                   	leave
   1:	c3                   	ret
   2:	83 e2 39             	and    $0x39,%edx
   5:	83 fa 08             	cmp    $0x8,%edx
   8:	75 e7                	jne    0xfffffffffffffff1
   a:	e8 03 ff ff ff       	call   0xffffffffffffff12
   f:	0f 1f 00             	nopl   (%rax)
  12:	f3 0f 1e fa          	endbr64
[   26.327651][  T422] RSP: 002b:00007ffd0c1ef940 EFLAGS: 00000202 ORIG_RAX: 000000000000002e
[   26.327653][  T422] RAX: ffffffffffffffda RBX: 0000000000000003 RCX: 00007f8335caa54e
[   26.327654][  T422] RDX: 0000000000000000 RSI: 00007ffd0c1ef9f0 RDI: 0000000000000005
[   26.327655][  T422] RBP: 00007ffd0c1ef950 R08: 0000000000000000 R09: 0000000000000000
[   26.327656][  T422] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a916189
[   26.327657][  T422] R13: 00000000004a1620 R14: 0000000000000000 R15: 00007ffd0c1f00c0
| [   27.442719][  T433] softirqs last disabled at (29894): netif_change_name (./include/linux/spinlock.h:353 ./include/linux/seqlock.h:908 net/core/dev.c:1499)
| [   27.442722][  T433] Preemption disabled at:
| [   27.442722][  T433] vprintk_emit (kernel/printk/printk.c:2471)
| [   27.442731][  T433] Tainted: [W]=WARN
[   27.442732][  T433] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   27.442733][  T433] Call Trace:
[   27.442735][  T433]  <TASK>
[   27.442737][  T433]  dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120)
[   27.442741][  T433]  ? vprintk_emit (kernel/printk/printk.c:2471)
[   27.442743][  T433]  __might_resched.cold (kernel/sched/core.c:9234)
[   27.442747][  T433]  ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3))
[   27.442751][  T433]  ? __kmalloc_noprof (./include/linux/sched/mm.h:317 mm/slub.c:4636 mm/slub.c:4974 mm/slub.c:5413 mm/slub.c:5439)
[   27.442756][  T433]  __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))
[   27.442758][  T433]  ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[   27.442764][  T433]  ? 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)
[   27.442767][  T433]  alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[   27.442770][  T433]  put_chars (drivers/char/virtio_console.c:1176)
[   27.442773][  T433]  ? __send_to_port (drivers/char/virtio_console.c:654)
[   27.442776][  T433]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380)
[   27.442780][  T433]  ? validate_chain (kernel/locking/lockdep.c:3817 (discriminator 2) kernel/locking/lockdep.c:3837 (discriminator 2) kernel/locking/lockdep.c:3892 (discriminator 2))
[   27.442784][  T433]  hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2))
[   27.442788][  T433]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   27.442790][  T433]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   27.442794][  T433]  ? hvc_write (drivers/tty/hvc/hvc_console.c:501)
[   27.442797][  T433]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   27.442800][  T433]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   27.442804][  T433]  console_emit_next_record (kernel/printk/printk.c:3183)
[   27.442807][  T433]  ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20)
[   27.442809][  T433]  ? 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))
[   27.442811][  T433]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   27.442813][  T433]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   27.442817][  T433]  console_flush_one_record (kernel/printk/printk.c:3268)
[   27.442821][  T433]  ? console_emit_next_record (kernel/printk/printk.c:3150)
[   27.442822][  T433]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   27.442827][  T433]  console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420)
[   27.442830][  T433]  ? console_flush_one_record (kernel/printk/printk.c:3316)
[   27.442831][  T433]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   27.442833][  T433]  ? lock_acquire (kernel/locking/lockdep.c:5913)
[   27.442836][  T433]  ? __down_trylock_console_sem (kernel/printk/printk.c:334)
[   27.442838][  T433]  ? vprintk_emit (kernel/printk/printk.c:2478)
[   27.442841][  T433]  vprintk_emit (kernel/printk/printk.c:2479)
[   27.442844][  T433]  ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126))
[   27.442846][  T433]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   27.442848][  T433]  ? save_trace (kernel/locking/lockdep.c:154 (discriminator 6) kernel/locking/lockdep.c:150 (discriminator 6) kernel/locking/lockdep.c:202 (discriminator 6) kernel/locking/lockdep.c:577 (discriminator 6))
[   27.442850][  T433]  ? find_held_lock (kernel/locking/lockdep.c:5360)
[   27.442854][  T433]  _printk (kernel/printk/printk.c:2504)
[   27.442857][  T433]  ? snapshot_read.cold (user.c:?)
[   27.442859][  T433]  ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4116 (discriminator 3) kernel/rcu/tree.c:4108 (discriminator 3))
[   27.442862][  T433]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380)
[   27.442864][  T433]  ? validate_chain (kernel/locking/lockdep.c:3817 (discriminator 2) kernel/locking/lockdep.c:3837 (discriminator 2) kernel/locking/lockdep.c:3892 (discriminator 2))
[   27.442866][  T433]  ? netdev_name (./include/linux/netdevice.h:5709 (discriminator 1))
[   27.442869][  T433]  ? __netdev_printk (net/core/dev.c:13148 (discriminator 2))
[   27.442872][  T433]  ? do_setlink.isra.0 (net/core/rtnetlink.c:3246)
[   27.442874][  T433]  netdev_info (net/core/dev.c:13195 (discriminator 3))
[   27.442876][  T433]  ? netdev_notice (net/core/dev.c:13194)
[   27.442879][  T433]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[   27.442882][  T433]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554)
[   27.442884][  T433]  ? mark_held_locks (kernel/locking/lockdep.c:4341)
[   27.442888][  T433]  ? do_setlink.isra.0 (net/core/rtnetlink.c:3246)
[   27.442890][  T433]  netif_change_name.cold (net/core/dev.c:1507 (discriminator 3))
[   27.442893][  T433]  ? 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))
[   27.442899][  T433]  ? netdev_adjacent_rename_links (net/core/dev.c:9598)
[   27.442902][  T433]  ? __kernel_text_address (kernel/extable.c:79)
[   27.442905][  T433]  ? write_profile (profile.c:?)
[   27.442909][  T433]  ? __asan_memset (mm/kasan/shadow.c:84 (discriminator 1))
[   27.442914][  T433]  do_setlink.isra.0 (net/core/rtnetlink.c:3246)
[   27.442917][  T433]  ? stack_trace_save (kernel/stacktrace.c:122 (discriminator 1))
[   27.442920][  T433]  ? rtnl_link_get_size (net/core/rtnetlink.c:747)
[   27.442921][  T433]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:388 kernel/rcu/update.c:380)
[   27.442923][  T433]  ? stack_depot_save_flags (lib/stackdepot.c:609 (discriminator 2) lib/stackdepot.c:676 (discriminator 2))
[   27.442926][  T433]  ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4116 (discriminator 3) kernel/rcu/tree.c:4108 (discriminator 3))
[   27.442928][  T433]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380)
[   27.442930][  T433]  ? validate_chain (kernel/locking/lockdep.c:3817 (discriminator 2) kernel/locking/lockdep.c:3837 (discriminator 2) kernel/locking/lockdep.c:3892 (discriminator 2))
[   27.442933][  T433]  ? kasan_save_stack (mm/kasan/common.c:58)
[   27.442936][  T433]  ? kasan_save_stack (mm/kasan/common.c:57)
[   27.442937][  T433]  ? kasan_save_track (mm/kasan/common.c:78)
[   27.442940][  T433]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   27.442942][  T433]  ? netlink_update_listeners (net/netlink/af_netlink.c:532)
[   27.442945][  T433]  ? ___sys_sendmsg (net/socket.c:2744 net/socket.c:2763)
[   27.442950][  T433]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2))
[   27.442952][  T433]  ? rtnl_newlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:366 net/core/rtnetlink.c:4214)
[   27.442954][  T433]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   27.442956][  T433]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   27.442958][  T433]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   27.442959][  T433]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   27.442961][  T433]  ? trace_contention_end (./include/trace/events/lock.h:121 (discriminator 22))
[   27.442963][  T433]  ? __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)
[   27.442966][  T433]  ? __mutex_lock (kernel/locking/mutex.c:656 (discriminator 1) kernel/locking/mutex.c:821 (discriminator 1))
[   27.442969][  T433]  ? rtnl_newlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:366 net/core/rtnetlink.c:4214)
[   27.442972][  T433]  ? ww_mutex_lock (kernel/locking/mutex.c:934)
[   27.442974][  T433]  ? nla_get_range_signed (lib/nlattr.c:270)
[   27.442980][  T433]  ? __rtnl_newlink (net/core/rtnetlink.c:4063)
[   27.442985][  T433]  rtnl_newlink (net/core/rtnetlink.c:4215)
[   27.442990][  T433]  ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558)
[   27.442992][  T433]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   27.442996][  T433]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2))
[   27.442998][  T433]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[   27.443000][  T433]  ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558)
[   27.443002][  T433]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554)
[   27.443006][  T433]  ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558)
[   27.443008][  T433]  rtnetlink_rcv_msg (net/core/rtnetlink.c:7132)
[   27.443011][  T433]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   27.443012][  T433]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   27.443016][  T433]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2))
[   27.443018][  T433]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[   27.443022][  T433]  netlink_rcv_skb (net/netlink/af_netlink.c:2556)
[   27.443024][  T433]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   27.443027][  T433]  ? netlink_ack (./include/linux/skbuff.h:2718)
[   27.443033][  T433]  ? 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))
[   27.443034][  T433]  ? 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))
[   27.443039][  T433]  netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[   27.443043][  T433]  ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[   27.443046][  T433]  ? __lock_acquire (kernel/locking/lockdep.c:5251 (discriminator 3))
[   27.443050][  T433]  netlink_sendmsg (net/netlink/af_netlink.c:1900)
[   27.443054][  T433]  ? netlink_unicast (./include/net/net_namespace.h:422 (discriminator 7))
[   27.443055][  T433]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554)
[   27.443058][  T433]  ? __might_fault (mm/memory.c:7482 (discriminator 5))
[   27.443062][  T433]  ? __might_fault (mm/memory.c:7482 (discriminator 5))
[   27.443066][  T433]  ____sys_sendmsg (net/socket.c:800 (discriminator 4) net/socket.c:815 (discriminator 4) net/socket.c:2713 (discriminator 4))
[   27.443068][  T433]  ? copy_msghdr_from_user (net/socket.c:2650)
[   27.443070][  T433]  ? get_timestamp.constprop.0 (./include/linux/netdevice.h:5399)
[   27.443072][  T433]  ? move_addr_to_kernel (./include/linux/audit.h:354 (discriminator 1))
[   27.443079][  T433]  ___sys_sendmsg (net/socket.c:2767)
[   27.443081][  T433]  ? copy_msghdr_from_user (net/socket.c:2619)
[   27.443099][  T433]  __sys_sendmsg (net/socket.c:2799)
[   27.443102][  T433]  ? __sys_sendmsg_sock (net/socket.c:2780)
[   27.443108][  T433]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   27.443111][  T433]  do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84)
[   27.443114][  T433]  ? exc_page_fault (arch/x86/mm/fault.c:1489 (discriminator 3) arch/x86/mm/fault.c:1536 (discriminator 3))
[   27.443117][  T433]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[   27.443119][  T433] RIP: 0033:0x7f78647c554e
[   27.443123][  T433] 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
[   27.443124][  T433] RSP: 002b:00007fffeecfb6e0 EFLAGS: 00000202 ORIG_RAX: 000000000000002e
[   27.443127][  T433] RAX: ffffffffffffffda RBX: 0000000000000003 RCX: 00007f78647c554e
[   27.443128][  T433] RDX: 0000000000000000 RSI: 00007fffeecfb790 RDI: 0000000000000005
[   27.443129][  T433] RBP: 00007fffeecfb6f0 R08: 0000000000000000 R09: 0000000000000000
[   27.443130][  T433] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a91618a
[   27.443131][  T433] R13: 00000000004a1620 R14: 0000000000000000 R15: 00007fffeecfbe60
| [   28.472106][  T444] softirqs last disabled at (23260): netif_change_name (./include/linux/spinlock.h:353 ./include/linux/seqlock.h:908 net/core/dev.c:1499)
| [   28.472109][  T444] Preemption disabled at:
| [   28.472109][  T444] vprintk_emit (kernel/printk/printk.c:2471)
| [   28.472118][  T444] Tainted: [W]=WARN
[   28.472119][  T444] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   28.472120][  T444] Call Trace:
[   28.472122][  T444]  <TASK>
[   28.472123][  T444]  dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120)
[   28.472129][  T444]  ? vprintk_emit (kernel/printk/printk.c:2471)
[   28.472130][  T444]  __might_resched.cold (kernel/sched/core.c:9234)
[   28.472135][  T444]  ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3))
[   28.472140][  T444]  ? __kmalloc_noprof (./include/linux/sched/mm.h:317 mm/slub.c:4636 mm/slub.c:4974 mm/slub.c:5413 mm/slub.c:5439)
[   28.472146][  T444]  __kmalloc_noprof (./include/linux/sched/mm.h:322 (discriminator 2) mm/slub.c:4636 (discriminator 2) mm/slub.c:4974 (discriminator 2) mm/slub.c:5413 (discriminator 2) mm/slub.c:5439 (discriminator 2))
[   28.472148][  T444]  ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[   28.472155][  T444]  ? do_raw_spin_unlock (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:32 ./include/asm-generic/qspinlock.h:58 kernel/locking/spinlock_debug.c:101 kernel/locking/spinlock_debug.c:141)
[   28.472158][  T444]  alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[   28.472161][  T444]  put_chars (drivers/char/virtio_console.c:1176)
[   28.472164][  T444]  ? __send_to_port (drivers/char/virtio_console.c:654)
[   28.472167][  T444]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380)
[   28.472171][  T444]  ? validate_chain (kernel/locking/lockdep.c:3817 (discriminator 2) kernel/locking/lockdep.c:3837 (discriminator 2) kernel/locking/lockdep.c:3892 (discriminator 2))
[   28.472176][  T444]  hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2))
[   28.472179][  T444]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   28.472181][  T444]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   28.472185][  T444]  ? hvc_write (drivers/tty/hvc/hvc_console.c:501)
[   28.472189][  T444]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   28.472191][  T444]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   28.472195][  T444]  console_emit_next_record (kernel/printk/printk.c:3183)
[   28.472199][  T444]  ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20)
[   28.472200][  T444]  ? console_flush_one_record (./include/linux/rcupdate.h:314 (discriminator 2) ./include/linux/srcu.h:439 (discriminator 2) kernel/printk/printk.c:291 (discriminator 2) kernel/printk/printk.c:3246 (discriminator 2))
[   28.472203][  T444]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   28.472204][  T444]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   28.472209][  T444]  console_flush_one_record (kernel/printk/printk.c:3268)
[   28.472212][  T444]  ? console_emit_next_record (kernel/printk/printk.c:3150)
[   28.472214][  T444]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   28.472219][  T444]  console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420)
[   28.472221][  T444]  ? console_flush_one_record (kernel/printk/printk.c:3316)
[   28.472223][  T444]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   28.472225][  T444]  ? lock_acquire (kernel/locking/lockdep.c:5913)
[   28.472228][  T444]  ? __down_trylock_console_sem (kernel/printk/printk.c:334)
[   28.472230][  T444]  ? vprintk_emit (kernel/printk/printk.c:2478)
[   28.472233][  T444]  vprintk_emit (kernel/printk/printk.c:2479)
[   28.472236][  T444]  ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126))
[   28.472238][  T444]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   28.472240][  T444]  ? save_trace (kernel/locking/lockdep.c:154 (discriminator 6) kernel/locking/lockdep.c:150 (discriminator 6) kernel/locking/lockdep.c:202 (discriminator 6) kernel/locking/lockdep.c:577 (discriminator 6))
[   28.472242][  T444]  ? find_held_lock (kernel/locking/lockdep.c:5360)
[   28.472247][  T444]  _printk (kernel/printk/printk.c:2504)
[   28.472250][  T444]  ? snapshot_read.cold (user.c:?)
[   28.472252][  T444]  ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4116 (discriminator 3) kernel/rcu/tree.c:4108 (discriminator 3))
[   28.472255][  T444]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380)
[   28.472257][  T444]  ? validate_chain (kernel/locking/lockdep.c:3817 (discriminator 2) kernel/locking/lockdep.c:3837 (discriminator 2) kernel/locking/lockdep.c:3892 (discriminator 2))
[   28.472259][  T444]  ? netdev_name (./include/linux/netdevice.h:5709 (discriminator 1))
[   28.472262][  T444]  ? __netdev_printk (net/core/dev.c:13148 (discriminator 2))
[   28.472265][  T444]  ? do_setlink.isra.0 (net/core/rtnetlink.c:3246)
[   28.472267][  T444]  netdev_info (net/core/dev.c:13195 (discriminator 3))
[   28.472270][  T444]  ? netdev_notice (net/core/dev.c:13194)
[   28.472272][  T444]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[   28.472275][  T444]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554)
[   28.472278][  T444]  ? mark_held_locks (kernel/locking/lockdep.c:4341)
[   28.472281][  T444]  ? do_setlink.isra.0 (net/core/rtnetlink.c:3246)
[   28.472283][  T444]  netif_change_name.cold (net/core/dev.c:1507 (discriminator 3))
[   28.472286][  T444]  ? is_bpf_text_address (./include/linux/rcupdate.h:319 (discriminator 2) ./include/linux/rcupdate.h:880 (discriminator 2) kernel/bpf/core.c:751 (discriminator 2))
[   28.472292][  T444]  ? netdev_adjacent_rename_links (net/core/dev.c:9598)
[   28.472295][  T444]  ? __kernel_text_address (kernel/extable.c:79)
[   28.472298][  T444]  ? write_profile (profile.c:?)
[   28.472302][  T444]  ? __asan_memset (mm/kasan/shadow.c:84 (discriminator 1))
[   28.472307][  T444]  do_setlink.isra.0 (net/core/rtnetlink.c:3246)
[   28.472311][  T444]  ? stack_trace_save (kernel/stacktrace.c:122 (discriminator 1))
[   28.472313][  T444]  ? rtnl_link_get_size (net/core/rtnetlink.c:747)
[   28.472314][  T444]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:388 kernel/rcu/update.c:380)
[   28.472316][  T444]  ? stack_depot_save_flags (lib/stackdepot.c:609 (discriminator 2) lib/stackdepot.c:676 (discriminator 2))
[   28.472320][  T444]  ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4116 (discriminator 3) kernel/rcu/tree.c:4108 (discriminator 3))
[   28.472322][  T444]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380)
[   28.472324][  T444]  ? validate_chain (kernel/locking/lockdep.c:3817 (discriminator 2) kernel/locking/lockdep.c:3837 (discriminator 2) kernel/locking/lockdep.c:3892 (discriminator 2))
[   28.472327][  T444]  ? kasan_save_stack (mm/kasan/common.c:58)
[   28.472330][  T444]  ? kasan_save_stack (mm/kasan/common.c:57)
[   28.472332][  T444]  ? kasan_save_track (mm/kasan/common.c:78)
[   28.472335][  T444]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   28.472337][  T444]  ? netlink_update_listeners (net/netlink/af_netlink.c:532)
[   28.472340][  T444]  ? ___sys_sendmsg (net/socket.c:2744 net/socket.c:2763)
[   28.472345][  T444]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2))
[   28.472347][  T444]  ? rtnl_newlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:366 net/core/rtnetlink.c:4214)
[   28.472349][  T444]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   28.472351][  T444]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   28.472353][  T444]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   28.472354][  T444]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   28.472356][  T444]  ? trace_contention_end (./include/trace/events/lock.h:121 (discriminator 22))
[   28.472359][  T444]  ? __mutex_lock (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:3188 kernel/locking/mutex.c:89 kernel/locking/mutex.c:134 kernel/locking/mutex.c:649 kernel/locking/mutex.c:821)
[   28.472362][  T444]  ? __mutex_lock (kernel/locking/mutex.c:656 (discriminator 1) kernel/locking/mutex.c:821 (discriminator 1))
[   28.472365][  T444]  ? rtnl_newlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:366 net/core/rtnetlink.c:4214)
[   28.472368][  T444]  ? ww_mutex_lock (kernel/locking/mutex.c:934)
[   28.472370][  T444]  ? nla_get_range_signed (lib/nlattr.c:270)
[   28.472376][  T444]  ? __rtnl_newlink (net/core/rtnetlink.c:4063)
[   28.472381][  T444]  rtnl_newlink (net/core/rtnetlink.c:4215)
[   28.472386][  T444]  ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558)
[   28.472388][  T444]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   28.472393][  T444]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2))
[   28.472395][  T444]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[   28.472398][  T444]  ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558)
[   28.472399][  T444]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554)
[   28.472403][  T444]  ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558)
[   28.472405][  T444]  rtnetlink_rcv_msg (net/core/rtnetlink.c:7132)
[   28.472409][  T444]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   28.472410][  T444]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   28.472415][  T444]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2))
[   28.472417][  T444]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[   28.472420][  T444]  netlink_rcv_skb (net/netlink/af_netlink.c:2556)
[   28.472422][  T444]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   28.472425][  T444]  ? netlink_ack (./include/linux/skbuff.h:2718)
[   28.472431][  T444]  ? netlink_deliver_tap (./include/linux/rcupdate.h:319 (discriminator 2) ./include/linux/rcupdate.h:880 (discriminator 2) ./include/net/netns/generic.h:48 (discriminator 2) net/netlink/af_netlink.c:334 (discriminator 2))
[   28.472432][  T444]  ? netlink_deliver_tap (./include/linux/rcupdate.h:319 (discriminator 2) ./include/linux/rcupdate.h:880 (discriminator 2) net/netlink/af_netlink.c:341 (discriminator 2))
[   28.472437][  T444]  netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[   28.472440][  T444]  ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[   28.472443][  T444]  ? __lock_acquire (kernel/locking/lockdep.c:5251 (discriminator 3))
[   28.472447][  T444]  netlink_sendmsg (net/netlink/af_netlink.c:1900)
[   28.472451][  T444]  ? netlink_unicast (./include/net/net_namespace.h:422 (discriminator 7))
[   28.472452][  T444]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554)
[   28.472456][  T444]  ? __might_fault (mm/memory.c:7482 (discriminator 5))
[   28.472459][  T444]  ? __might_fault (mm/memory.c:7482 (discriminator 5))
[   28.472463][  T444]  ____sys_sendmsg (net/socket.c:800 (discriminator 4) net/socket.c:815 (discriminator 4) net/socket.c:2713 (discriminator 4))
[   28.472465][  T444]  ? copy_msghdr_from_user (net/socket.c:2650)
[   28.472468][  T444]  ? get_timestamp.constprop.0 (./include/linux/netdevice.h:5399)
[   28.472469][  T444]  ? move_addr_to_kernel (./include/linux/audit.h:354 (discriminator 1))
[   28.472477][  T444]  ___sys_sendmsg (net/socket.c:2767)
[   28.472480][  T444]  ? copy_msghdr_from_user (net/socket.c:2619)
[   28.472496][  T444]  __sys_sendmsg (net/socket.c:2799)
[   28.472499][  T444]  ? __sys_sendmsg_sock (net/socket.c:2780)
[   28.472505][  T444]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   28.472509][  T444]  do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84)
[   28.472511][  T444]  ? exc_page_fault (arch/x86/mm/fault.c:1489 (discriminator 3) arch/x86/mm/fault.c:1536 (discriminator 3))
[   28.472515][  T444]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[   28.472517][  T444] RIP: 0033:0x7f067b78754e
[   28.472521][  T444] Code: 4d 89 d8 e8 b4 bd 00 00 4c 8b 5d f8 41 8b 93 08 03 00 00 59 5e 48 83 f8 fc 74 11 c9 c3 0f 1f 80 00 00 00 00 48 8b 45 10 0f 05 <c9> c3 83 e2 39 83 fa 08 75 e7 e8 03 ff ff ff 0f 1f 00 f3 0f 1e fa
All code
========
   0:	4d 89 d8             	mov    %r11,%r8
   3:	e8 b4 bd 00 00       	call   0xbdbc
   8:	4c 8b 5d f8          	mov    -0x8(%rbp),%r11
   c:	41 8b 93 08 03 00 00 	mov    0x308(%r11),%edx
  13:	59                   	pop    %rcx
  14:	5e                   	pop    %rsi
  15:	48 83 f8 fc          	cmp    $0xfffffffffffffffc,%rax
  19:	74 11                	je     0x2c
  1b:	c9                   	leave
  1c:	c3                   	ret
  1d:	0f 1f 80 00 00 00 00 	nopl   0x0(%rax)
  24:	48 8b 45 10          	mov    0x10(%rbp),%rax
  28:	0f 05                	syscall
  2a:*	c9                   	leave		<-- trapping instruction
  2b:	c3                   	ret
  2c:	83 e2 39             	and    $0x39,%edx
  2f:	83 fa 08             	cmp    $0x8,%edx
  32:	75 e7                	jne    0x1b
  34:	e8 03 ff ff ff       	call   0xffffffffffffff3c
  39:	0f 1f 00             	nopl   (%rax)
  3c:	f3 0f 1e fa          	endbr64

Code starting with the faulting instruction
===========================================
   0:	c9                   	leave
   1:	c3                   	ret
   2:	83 e2 39             	and    $0x39,%edx
   5:	83 fa 08             	cmp    $0x8,%edx
   8:	75 e7                	jne    0xfffffffffffffff1
   a:	e8 03 ff ff ff       	call   0xffffffffffffff12
   f:	0f 1f 00             	nopl   (%rax)
  12:	f3 0f 1e fa          	endbr64
[   28.472522][  T444] RSP: 002b:00007ffccc6401c0 EFLAGS: 00000202 ORIG_RAX: 000000000000002e
[   28.472525][  T444] RAX: ffffffffffffffda RBX: 0000000000000003 RCX: 00007f067b78754e
[   28.472526][  T444] RDX: 0000000000000000 RSI: 00007ffccc640270 RDI: 0000000000000005
[   28.472527][  T444] RBP: 00007ffccc6401d0 R08: 0000000000000000 R09: 0000000000000000
[   28.472528][  T444] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a91618b
[   28.472529][  T444] R13: 00000000004a1620 R14: 0000000000000000 R15: 00007ffccc640940
| [   29.603496][  T455] softirqs last disabled at (19728): netif_change_name (./include/linux/spinlock.h:353 ./include/linux/seqlock.h:908 net/core/dev.c:1499)
| [   29.603498][  T455] Preemption disabled at:
| [   29.603499][  T455] vprintk_emit (kernel/printk/printk.c:2471)
| [   29.603508][  T455] Tainted: [W]=WARN
[   29.603509][  T455] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   29.603510][  T455] Call Trace:
[   29.603512][  T455]  <TASK>
[   29.603514][  T455]  dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120)
[   29.603518][  T455]  ? vprintk_emit (kernel/printk/printk.c:2471)
[   29.603520][  T455]  __might_resched.cold (kernel/sched/core.c:9234)
[   29.603525][  T455]  ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3))
[   29.603528][  T455]  ? __kmalloc_noprof (./include/linux/sched/mm.h:317 mm/slub.c:4636 mm/slub.c:4974 mm/slub.c:5413 mm/slub.c:5439)
[   29.603533][  T455]  __kmalloc_noprof (./include/linux/sched/mm.h:322 (discriminator 2) mm/slub.c:4636 (discriminator 2) mm/slub.c:4974 (discriminator 2) mm/slub.c:5413 (discriminator 2) mm/slub.c:5439 (discriminator 2))
[   29.603536][  T455]  ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[   29.603542][  T455]  ? do_raw_spin_unlock (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:32 ./include/asm-generic/qspinlock.h:58 kernel/locking/spinlock_debug.c:101 kernel/locking/spinlock_debug.c:141)
[   29.603545][  T455]  alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[   29.603549][  T455]  put_chars (drivers/char/virtio_console.c:1176)
[   29.603551][  T455]  ? __send_to_port (drivers/char/virtio_console.c:654)
[   29.603555][  T455]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380)
[   29.603559][  T455]  ? validate_chain (kernel/locking/lockdep.c:3817 (discriminator 2) kernel/locking/lockdep.c:3837 (discriminator 2) kernel/locking/lockdep.c:3892 (discriminator 2))
[   29.603564][  T455]  hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2))
[   29.603567][  T455]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   29.603569][  T455]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   29.603574][  T455]  ? hvc_write (drivers/tty/hvc/hvc_console.c:501)
[   29.603577][  T455]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   29.603579][  T455]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   29.603584][  T455]  console_emit_next_record (kernel/printk/printk.c:3183)
[   29.603587][  T455]  ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20)
[   29.603589][  T455]  ? console_flush_one_record (./include/linux/rcupdate.h:314 (discriminator 2) ./include/linux/srcu.h:439 (discriminator 2) kernel/printk/printk.c:291 (discriminator 2) kernel/printk/printk.c:3246 (discriminator 2))
[   29.603591][  T455]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   29.603593][  T455]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   29.603598][  T455]  console_flush_one_record (kernel/printk/printk.c:3268)
[   29.603601][  T455]  ? console_emit_next_record (kernel/printk/printk.c:3150)
[   29.603603][  T455]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   29.603608][  T455]  console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420)
[   29.603611][  T455]  ? console_flush_one_record (kernel/printk/printk.c:3316)
[   29.603612][  T455]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   29.603614][  T455]  ? lock_acquire (kernel/locking/lockdep.c:5913)
[   29.603618][  T455]  ? __down_trylock_console_sem (kernel/printk/printk.c:334)
[   29.603620][  T455]  ? vprintk_emit (kernel/printk/printk.c:2478)
[   29.603623][  T455]  vprintk_emit (kernel/printk/printk.c:2479)
[   29.603626][  T455]  ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126))
[   29.603628][  T455]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   29.603630][  T455]  ? save_trace (kernel/locking/lockdep.c:154 (discriminator 6) kernel/locking/lockdep.c:150 (discriminator 6) kernel/locking/lockdep.c:202 (discriminator 6) kernel/locking/lockdep.c:577 (discriminator 6))
[   29.603632][  T455]  ? find_held_lock (kernel/locking/lockdep.c:5360)
[   29.603637][  T455]  _printk (kernel/printk/printk.c:2504)
[   29.603640][  T455]  ? snapshot_read.cold (user.c:?)
[   29.603642][  T455]  ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4116 (discriminator 3) kernel/rcu/tree.c:4108 (discriminator 3))
[   29.603645][  T455]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380)
[   29.603647][  T455]  ? validate_chain (kernel/locking/lockdep.c:3817 (discriminator 2) kernel/locking/lockdep.c:3837 (discriminator 2) kernel/locking/lockdep.c:3892 (discriminator 2))
[   29.603649][  T455]  ? netdev_name (./include/linux/netdevice.h:5709 (discriminator 1))
[   29.603653][  T455]  ? __netdev_printk (net/core/dev.c:13148 (discriminator 2))
[   29.603655][  T455]  ? do_setlink.isra.0 (net/core/rtnetlink.c:3246)
[   29.603657][  T455]  netdev_info (net/core/dev.c:13195 (discriminator 3))
[   29.603660][  T455]  ? netdev_notice (net/core/dev.c:13194)
[   29.603663][  T455]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[   29.603666][  T455]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554)
[   29.603669][  T455]  ? mark_held_locks (kernel/locking/lockdep.c:4341)
[   29.603673][  T455]  ? do_setlink.isra.0 (net/core/rtnetlink.c:3246)
[   29.603675][  T455]  netif_change_name.cold (net/core/dev.c:1507 (discriminator 3))
[   29.603678][  T455]  ? is_bpf_text_address (./include/linux/rcupdate.h:319 (discriminator 2) ./include/linux/rcupdate.h:880 (discriminator 2) kernel/bpf/core.c:751 (discriminator 2))
[   29.603684][  T455]  ? netdev_adjacent_rename_links (net/core/dev.c:9598)
[   29.603687][  T455]  ? __kernel_text_address (kernel/extable.c:79)
[   29.603690][  T455]  ? write_profile (profile.c:?)
[   29.603694][  T455]  ? __asan_memset (mm/kasan/shadow.c:84 (discriminator 1))
[   29.603699][  T455]  do_setlink.isra.0 (net/core/rtnetlink.c:3246)
[   29.603704][  T455]  ? stack_trace_save (kernel/stacktrace.c:122 (discriminator 1))
[   29.603706][  T455]  ? rtnl_link_get_size (net/core/rtnetlink.c:747)
[   29.603708][  T455]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:388 kernel/rcu/update.c:380)
[   29.603710][  T455]  ? stack_depot_save_flags (lib/stackdepot.c:609 (discriminator 2) lib/stackdepot.c:676 (discriminator 2))
[   29.603713][  T455]  ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4116 (discriminator 3) kernel/rcu/tree.c:4108 (discriminator 3))
[   29.603715][  T455]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380)
[   29.603717][  T455]  ? validate_chain (kernel/locking/lockdep.c:3817 (discriminator 2) kernel/locking/lockdep.c:3837 (discriminator 2) kernel/locking/lockdep.c:3892 (discriminator 2))
[   29.603727][  T455]  ? kasan_save_stack (mm/kasan/common.c:58)
[   29.603729][  T455]  ? kasan_save_stack (mm/kasan/common.c:57)
[   29.603731][  T455]  ? kasan_save_track (mm/kasan/common.c:78)
[   29.603734][  T455]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   29.603736][  T455]  ? netlink_update_listeners (net/netlink/af_netlink.c:532)
[   29.603739][  T455]  ? ___sys_sendmsg (net/socket.c:2744 net/socket.c:2763)
[   29.603745][  T455]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2))
[   29.603747][  T455]  ? rtnl_newlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:366 net/core/rtnetlink.c:4214)
[   29.603749][  T455]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   29.603751][  T455]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   29.603753][  T455]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   29.603754][  T455]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   29.603756][  T455]  ? trace_contention_end (./include/trace/events/lock.h:121 (discriminator 22))
[   29.603759][  T455]  ? __mutex_lock (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:3188 kernel/locking/mutex.c:89 kernel/locking/mutex.c:134 kernel/locking/mutex.c:649 kernel/locking/mutex.c:821)
[   29.603762][  T455]  ? __mutex_lock (kernel/locking/mutex.c:656 (discriminator 1) kernel/locking/mutex.c:821 (discriminator 1))
[   29.603765][  T455]  ? rtnl_newlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:366 net/core/rtnetlink.c:4214)
[   29.603768][  T455]  ? ww_mutex_lock (kernel/locking/mutex.c:934)
[   29.603770][  T455]  ? nla_get_range_signed (lib/nlattr.c:270)
[   29.603776][  T455]  ? __rtnl_newlink (net/core/rtnetlink.c:4063)
[   29.603782][  T455]  rtnl_newlink (net/core/rtnetlink.c:4215)
[   29.603787][  T455]  ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558)
[   29.603789][  T455]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   29.603794][  T455]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2))
[   29.603796][  T455]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[   29.603798][  T455]  ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558)
[   29.603800][  T455]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554)
[   29.603804][  T455]  ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558)
[   29.603806][  T455]  rtnetlink_rcv_msg (net/core/rtnetlink.c:7132)
[   29.603809][  T455]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   29.603811][  T455]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   29.603816][  T455]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2))
[   29.603818][  T455]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[   29.603821][  T455]  netlink_rcv_skb (net/netlink/af_netlink.c:2556)
[   29.603823][  T455]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   29.603826][  T455]  ? netlink_ack (./include/linux/skbuff.h:2718)
[   29.603833][  T455]  ? netlink_deliver_tap (./include/linux/rcupdate.h:319 (discriminator 2) ./include/linux/rcupdate.h:880 (discriminator 2) ./include/net/netns/generic.h:48 (discriminator 2) net/netlink/af_netlink.c:334 (discriminator 2))
[   29.603834][  T455]  ? netlink_deliver_tap (./include/linux/rcupdate.h:319 (discriminator 2) ./include/linux/rcupdate.h:880 (discriminator 2) net/netlink/af_netlink.c:341 (discriminator 2))
[   29.603838][  T455]  netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[   29.603842][  T455]  ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[   29.603845][  T455]  ? __lock_acquire (kernel/locking/lockdep.c:5251 (discriminator 3))
[   29.603850][  T455]  netlink_sendmsg (net/netlink/af_netlink.c:1900)
[   29.603854][  T455]  ? netlink_unicast (./include/net/net_namespace.h:422 (discriminator 7))
[   29.603855][  T455]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554)
[   29.603858][  T455]  ? __might_fault (mm/memory.c:7482 (discriminator 5))
[   29.603862][  T455]  ? __might_fault (mm/memory.c:7482 (discriminator 5))
[   29.603866][  T455]  ____sys_sendmsg (net/socket.c:800 (discriminator 4) net/socket.c:815 (discriminator 4) net/socket.c:2713 (discriminator 4))
[   29.603869][  T455]  ? copy_msghdr_from_user (net/socket.c:2650)
[   29.603871][  T455]  ? get_timestamp.constprop.0 (./include/linux/netdevice.h:5399)
[   29.603873][  T455]  ? move_addr_to_kernel (./include/linux/audit.h:354 (discriminator 1))
[   29.603880][  T455]  ___sys_sendmsg (net/socket.c:2767)
[   29.603883][  T455]  ? copy_msghdr_from_user (net/socket.c:2619)
[   29.603900][  T455]  __sys_sendmsg (net/socket.c:2799)
[   29.603903][  T455]  ? __sys_sendmsg_sock (net/socket.c:2780)
[   29.603910][  T455]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   29.603913][  T455]  do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84)
[   29.603916][  T455]  ? exc_page_fault (arch/x86/mm/fault.c:1489 (discriminator 3) arch/x86/mm/fault.c:1536 (discriminator 3))
[   29.603920][  T455]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[   29.603922][  T455] RIP: 0033:0x7fb8d5d6c54e
[   29.603926][  T455] Code: 4d 89 d8 e8 b4 bd 00 00 4c 8b 5d f8 41 8b 93 08 03 00 00 59 5e 48 83 f8 fc 74 11 c9 c3 0f 1f 80 00 00 00 00 48 8b 45 10 0f 05 <c9> c3 83 e2 39 83 fa 08 75 e7 e8 03 ff ff ff 0f 1f 00 f3 0f 1e fa
All code
========
   0:	4d 89 d8             	mov    %r11,%r8
   3:	e8 b4 bd 00 00       	call   0xbdbc
   8:	4c 8b 5d f8          	mov    -0x8(%rbp),%r11
   c:	41 8b 93 08 03 00 00 	mov    0x308(%r11),%edx
  13:	59                   	pop    %rcx
  14:	5e                   	pop    %rsi
  15:	48 83 f8 fc          	cmp    $0xfffffffffffffffc,%rax
  19:	74 11                	je     0x2c
  1b:	c9                   	leave
  1c:	c3                   	ret
  1d:	0f 1f 80 00 00 00 00 	nopl   0x0(%rax)
  24:	48 8b 45 10          	mov    0x10(%rbp),%rax
  28:	0f 05                	syscall
  2a:*	c9                   	leave		<-- trapping instruction
  2b:	c3                   	ret
  2c:	83 e2 39             	and    $0x39,%edx
  2f:	83 fa 08             	cmp    $0x8,%edx
  32:	75 e7                	jne    0x1b
  34:	e8 03 ff ff ff       	call   0xffffffffffffff3c
  39:	0f 1f 00             	nopl   (%rax)
  3c:	f3 0f 1e fa          	endbr64

Code starting with the faulting instruction
===========================================
   0:	c9                   	leave
   1:	c3                   	ret
   2:	83 e2 39             	and    $0x39,%edx
   5:	83 fa 08             	cmp    $0x8,%edx
   8:	75 e7                	jne    0xfffffffffffffff1
   a:	e8 03 ff ff ff       	call   0xffffffffffffff12
   f:	0f 1f 00             	nopl   (%rax)
  12:	f3 0f 1e fa          	endbr64
[   29.603928][  T455] RSP: 002b:00007fffd6fda280 EFLAGS: 00000202 ORIG_RAX: 000000000000002e
[   29.603930][  T455] RAX: ffffffffffffffda RBX: 0000000000000003 RCX: 00007fb8d5d6c54e
[   29.603932][  T455] RDX: 0000000000000000 RSI: 00007fffd6fda330 RDI: 0000000000000005
[   29.603933][  T455] RBP: 00007fffd6fda290 R08: 0000000000000000 R09: 0000000000000000
[   29.603933][  T455] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a91618d
[   29.603934][  T455] R13: 00000000004a1620 R14: 0000000000000000 R15: 00007fffd6fdaa00
| [   30.704606][  T465] softirqs last disabled at (17340): netif_change_name (./include/linux/spinlock.h:353 ./include/linux/seqlock.h:908 net/core/dev.c:1499)
| [   30.704608][  T465] Preemption disabled at:
| [   30.704609][  T465] vprintk_emit (kernel/printk/printk.c:2471)
| [   30.704617][  T465] Tainted: [W]=WARN
[   30.704618][  T465] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   30.704620][  T465] Call Trace:
[   30.704621][  T465]  <TASK>
[   30.704623][  T465]  dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120)
[   30.704627][  T465]  ? vprintk_emit (kernel/printk/printk.c:2471)
[   30.704629][  T465]  __might_resched.cold (kernel/sched/core.c:9234)
[   30.704634][  T465]  ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3))
[   30.704637][  T465]  ? __kmalloc_noprof (./include/linux/sched/mm.h:317 mm/slub.c:4636 mm/slub.c:4974 mm/slub.c:5413 mm/slub.c:5439)
[   30.704642][  T465]  __kmalloc_noprof (./include/linux/sched/mm.h:322 (discriminator 2) mm/slub.c:4636 (discriminator 2) mm/slub.c:4974 (discriminator 2) mm/slub.c:5413 (discriminator 2) mm/slub.c:5439 (discriminator 2))
[   30.704644][  T465]  ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[   30.704650][  T465]  ? do_raw_spin_unlock (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:32 ./include/asm-generic/qspinlock.h:58 kernel/locking/spinlock_debug.c:101 kernel/locking/spinlock_debug.c:141)
[   30.704653][  T465]  alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[   30.704656][  T465]  put_chars (drivers/char/virtio_console.c:1176)
[   30.704659][  T465]  ? __send_to_port (drivers/char/virtio_console.c:654)
[   30.704662][  T465]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380)
[   30.704666][  T465]  ? validate_chain (kernel/locking/lockdep.c:3817 (discriminator 2) kernel/locking/lockdep.c:3837 (discriminator 2) kernel/locking/lockdep.c:3892 (discriminator 2))
[   30.704670][  T465]  hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2))
[   30.704674][  T465]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   30.704676][  T465]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   30.704680][  T465]  ? hvc_write (drivers/tty/hvc/hvc_console.c:501)
[   30.704684][  T465]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   30.704686][  T465]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   30.704690][  T465]  console_emit_next_record (kernel/printk/printk.c:3183)
[   30.704693][  T465]  ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20)
[   30.704695][  T465]  ? console_flush_one_record (./include/linux/rcupdate.h:314 (discriminator 2) ./include/linux/srcu.h:439 (discriminator 2) kernel/printk/printk.c:291 (discriminator 2) kernel/printk/printk.c:3246 (discriminator 2))
[   30.704697][  T465]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   30.704699][  T465]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   30.704703][  T465]  console_flush_one_record (kernel/printk/printk.c:3268)
[   30.704707][  T465]  ? console_emit_next_record (kernel/printk/printk.c:3150)
[   30.704708][  T465]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   30.704713][  T465]  console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420)
[   30.704715][  T465]  ? console_flush_one_record (kernel/printk/printk.c:3316)
[   30.704717][  T465]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   30.704718][  T465]  ? lock_acquire (kernel/locking/lockdep.c:5913)
[   30.704722][  T465]  ? __down_trylock_console_sem (kernel/printk/printk.c:334)
[   30.704729][  T465]  ? vprintk_emit (kernel/printk/printk.c:2478)
[   30.704732][  T465]  vprintk_emit (kernel/printk/printk.c:2479)
[   30.704735][  T465]  ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126))
[   30.704737][  T465]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   30.704739][  T465]  ? save_trace (kernel/locking/lockdep.c:154 (discriminator 6) kernel/locking/lockdep.c:150 (discriminator 6) kernel/locking/lockdep.c:202 (discriminator 6) kernel/locking/lockdep.c:577 (discriminator 6))
[   30.704741][  T465]  ? find_held_lock (kernel/locking/lockdep.c:5360)
[   30.704745][  T465]  _printk (kernel/printk/printk.c:2504)
[   30.704748][  T465]  ? snapshot_read.cold (user.c:?)
[   30.704750][  T465]  ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4116 (discriminator 3) kernel/rcu/tree.c:4108 (discriminator 3))
[   30.704753][  T465]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380)
[   30.704755][  T465]  ? validate_chain (kernel/locking/lockdep.c:3817 (discriminator 2) kernel/locking/lockdep.c:3837 (discriminator 2) kernel/locking/lockdep.c:3892 (discriminator 2))
[   30.704757][  T465]  ? netdev_name (./include/linux/netdevice.h:5709 (discriminator 1))
[   30.704760][  T465]  ? __netdev_printk (net/core/dev.c:13148 (discriminator 2))
[   30.704763][  T465]  ? do_setlink.isra.0 (net/core/rtnetlink.c:3246)
[   30.704765][  T465]  netdev_info (net/core/dev.c:13195 (discriminator 3))
[   30.704768][  T465]  ? netdev_notice (net/core/dev.c:13194)
[   30.704770][  T465]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[   30.704773][  T465]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554)
[   30.704776][  T465]  ? mark_held_locks (kernel/locking/lockdep.c:4341)
[   30.704779][  T465]  ? do_setlink.isra.0 (net/core/rtnetlink.c:3246)
[   30.704781][  T465]  netif_change_name.cold (net/core/dev.c:1507 (discriminator 3))
[   30.704784][  T465]  ? is_bpf_text_address (./include/linux/rcupdate.h:319 (discriminator 2) ./include/linux/rcupdate.h:880 (discriminator 2) kernel/bpf/core.c:751 (discriminator 2))
[   30.704790][  T465]  ? netdev_adjacent_rename_links (net/core/dev.c:9598)
[   30.704793][  T465]  ? __kernel_text_address (kernel/extable.c:79)
[   30.704796][  T465]  ? write_profile (profile.c:?)
[   30.704800][  T465]  ? __asan_memset (mm/kasan/shadow.c:84 (discriminator 1))
[   30.704805][  T465]  do_setlink.isra.0 (net/core/rtnetlink.c:3246)
[   30.704809][  T465]  ? stack_trace_save (kernel/stacktrace.c:122 (discriminator 1))
[   30.704811][  T465]  ? rtnl_link_get_size (net/core/rtnetlink.c:747)
[   30.704812][  T465]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:388 kernel/rcu/update.c:380)
[   30.704814][  T465]  ? stack_depot_save_flags (lib/stackdepot.c:609 (discriminator 2) lib/stackdepot.c:676 (discriminator 2))
[   30.704818][  T465]  ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4116 (discriminator 3) kernel/rcu/tree.c:4108 (discriminator 3))
[   30.704820][  T465]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380)
[   30.704822][  T465]  ? validate_chain (kernel/locking/lockdep.c:3817 (discriminator 2) kernel/locking/lockdep.c:3837 (discriminator 2) kernel/locking/lockdep.c:3892 (discriminator 2))
[   30.704825][  T465]  ? kasan_save_stack (mm/kasan/common.c:58)
[   30.704828][  T465]  ? kasan_save_stack (mm/kasan/common.c:57)
[   30.704829][  T465]  ? kasan_save_track (mm/kasan/common.c:78)
[   30.704832][  T465]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   30.704834][  T465]  ? netlink_update_listeners (net/netlink/af_netlink.c:532)
[   30.704837][  T465]  ? ___sys_sendmsg (net/socket.c:2744 net/socket.c:2763)
[   30.704842][  T465]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2))
[   30.704844][  T465]  ? rtnl_newlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:366 net/core/rtnetlink.c:4214)
[   30.704847][  T465]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   30.704848][  T465]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   30.704850][  T465]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   30.704851][  T465]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   30.704853][  T465]  ? trace_contention_end (./include/trace/events/lock.h:121 (discriminator 22))
[   30.704856][  T465]  ? __mutex_lock (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:3188 kernel/locking/mutex.c:89 kernel/locking/mutex.c:134 kernel/locking/mutex.c:649 kernel/locking/mutex.c:821)
[   30.704859][  T465]  ? __mutex_lock (kernel/locking/mutex.c:656 (discriminator 1) kernel/locking/mutex.c:821 (discriminator 1))
[   30.704861][  T465]  ? rtnl_newlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:366 net/core/rtnetlink.c:4214)
[   30.704864][  T465]  ? ww_mutex_lock (kernel/locking/mutex.c:934)
[   30.704866][  T465]  ? nla_get_range_signed (lib/nlattr.c:270)
[   30.704872][  T465]  ? __rtnl_newlink (net/core/rtnetlink.c:4063)
[   30.704877][  T465]  rtnl_newlink (net/core/rtnetlink.c:4215)
[   30.704882][  T465]  ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558)
[   30.704884][  T465]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   30.704888][  T465]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2))
[   30.704890][  T465]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[   30.704892][  T465]  ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558)
[   30.704894][  T465]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554)
[   30.704898][  T465]  ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558)
[   30.704900][  T465]  rtnetlink_rcv_msg (net/core/rtnetlink.c:7132)
[   30.704903][  T465]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   30.704904][  T465]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   30.704909][  T465]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2))
[   30.704911][  T465]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[   30.704914][  T465]  netlink_rcv_skb (net/netlink/af_netlink.c:2556)
[   30.704916][  T465]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   30.704918][  T465]  ? netlink_ack (./include/linux/skbuff.h:2718)
[   30.704924][  T465]  ? netlink_deliver_tap (./include/linux/rcupdate.h:319 (discriminator 2) ./include/linux/rcupdate.h:880 (discriminator 2) ./include/net/netns/generic.h:48 (discriminator 2) net/netlink/af_netlink.c:334 (discriminator 2))
[   30.704926][  T465]  ? netlink_deliver_tap (./include/linux/rcupdate.h:319 (discriminator 2) ./include/linux/rcupdate.h:880 (discriminator 2) net/netlink/af_netlink.c:341 (discriminator 2))
[   30.704930][  T465]  netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[   30.704934][  T465]  ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[   30.704936][  T465]  ? __lock_acquire (kernel/locking/lockdep.c:5251 (discriminator 3))
[   30.704940][  T465]  netlink_sendmsg (net/netlink/af_netlink.c:1900)
[   30.704944][  T465]  ? netlink_unicast (./include/net/net_namespace.h:422 (discriminator 7))
[   30.704945][  T465]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554)
[   30.704948][  T465]  ? __might_fault (mm/memory.c:7482 (discriminator 5))
[   30.704952][  T465]  ? __might_fault (mm/memory.c:7482 (discriminator 5))
[   30.704956][  T465]  ____sys_sendmsg (net/socket.c:800 (discriminator 4) net/socket.c:815 (discriminator 4) net/socket.c:2713 (discriminator 4))
[   30.704958][  T465]  ? copy_msghdr_from_user (net/socket.c:2650)
[   30.704960][  T465]  ? get_timestamp.constprop.0 (./include/linux/netdevice.h:5399)
[   30.704962][  T465]  ? move_addr_to_kernel (./include/linux/audit.h:354 (discriminator 1))
[   30.704969][  T465]  ___sys_sendmsg (net/socket.c:2767)
[   30.704972][  T465]  ? copy_msghdr_from_user (net/socket.c:2619)
[   30.704987][  T465]  __sys_sendmsg (net/socket.c:2799)
[   30.704991][  T465]  ? __sys_sendmsg_sock (net/socket.c:2780)
[   30.704997][  T465]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   30.705000][  T465]  do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84)
[   30.705002][  T465]  ? exc_page_fault (arch/x86/mm/fault.c:1489 (discriminator 3) arch/x86/mm/fault.c:1536 (discriminator 3))
[   30.705006][  T465]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[   30.705008][  T465] RIP: 0033:0x7fc10a5c154e
[   30.705012][  T465] Code: 4d 89 d8 e8 b4 bd 00 00 4c 8b 5d f8 41 8b 93 08 03 00 00 59 5e 48 83 f8 fc 74 11 c9 c3 0f 1f 80 00 00 00 00 48 8b 45 10 0f 05 <c9> c3 83 e2 39 83 fa 08 75 e7 e8 03 ff ff ff 0f 1f 00 f3 0f 1e fa
All code
========
   0:	4d 89 d8             	mov    %r11,%r8
   3:	e8 b4 bd 00 00       	call   0xbdbc
   8:	4c 8b 5d f8          	mov    -0x8(%rbp),%r11
   c:	41 8b 93 08 03 00 00 	mov    0x308(%r11),%edx
  13:	59                   	pop    %rcx
  14:	5e                   	pop    %rsi
  15:	48 83 f8 fc          	cmp    $0xfffffffffffffffc,%rax
  19:	74 11                	je     0x2c
  1b:	c9                   	leave
  1c:	c3                   	ret
  1d:	0f 1f 80 00 00 00 00 	nopl   0x0(%rax)
  24:	48 8b 45 10          	mov    0x10(%rbp),%rax
  28:	0f 05                	syscall
  2a:*	c9                   	leave		<-- trapping instruction
  2b:	c3                   	ret
  2c:	83 e2 39             	and    $0x39,%edx
  2f:	83 fa 08             	cmp    $0x8,%edx
  32:	75 e7                	jne    0x1b
  34:	e8 03 ff ff ff       	call   0xffffffffffffff3c
  39:	0f 1f 00             	nopl   (%rax)
  3c:	f3 0f 1e fa          	endbr64

Code starting with the faulting instruction
===========================================
   0:	c9                   	leave
   1:	c3                   	ret
   2:	83 e2 39             	and    $0x39,%edx
   5:	83 fa 08             	cmp    $0x8,%edx
   8:	75 e7                	jne    0xfffffffffffffff1
   a:	e8 03 ff ff ff       	call   0xffffffffffffff12
   f:	0f 1f 00             	nopl   (%rax)
  12:	f3 0f 1e fa          	endbr64
[   30.705013][  T465] RSP: 002b:00007ffc127a3680 EFLAGS: 00000202 ORIG_RAX: 000000000000002e
[   30.705016][  T465] RAX: ffffffffffffffda RBX: 0000000000000003 RCX: 00007fc10a5c154e
[   30.705017][  T465] RDX: 0000000000000000 RSI: 00007ffc127a3730 RDI: 0000000000000005
[   30.705018][  T465] RBP: 00007ffc127a3690 R08: 0000000000000000 R09: 0000000000000000
[   30.705019][  T465] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a91618e
[   30.705020][  T465] R13: 00000000004a1620 R14: 0000000000000000 R15: 00007ffc127a3e00
| [   31.804868][  T476] softirqs last disabled at (21070): netif_change_name (./include/linux/spinlock.h:353 ./include/linux/seqlock.h:908 net/core/dev.c:1499)
| [   31.804871][  T476] Preemption disabled at:
| [   31.804871][  T476] vprintk_emit (kernel/printk/printk.c:2471)
| [   31.804880][  T476] Tainted: [W]=WARN
[   31.804880][  T476] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   31.804882][  T476] Call Trace:
[   31.804884][  T476]  <TASK>
[   31.804885][  T476]  dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120)
[   31.804890][  T476]  ? vprintk_emit (kernel/printk/printk.c:2471)
[   31.804892][  T476]  __might_resched.cold (kernel/sched/core.c:9234)
[   31.804896][  T476]  ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3))
[   31.804899][  T476]  ? __kmalloc_noprof (./include/linux/sched/mm.h:317 mm/slub.c:4636 mm/slub.c:4974 mm/slub.c:5413 mm/slub.c:5439)
[   31.804904][  T476]  __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))
[   31.804907][  T476]  ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[   31.804913][  T476]  ? 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)
[   31.804916][  T476]  alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[   31.804919][  T476]  put_chars (drivers/char/virtio_console.c:1176)
[   31.804922][  T476]  ? __send_to_port (drivers/char/virtio_console.c:654)
[   31.804926][  T476]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380)
[   31.804929][  T476]  ? validate_chain (kernel/locking/lockdep.c:3817 (discriminator 2) kernel/locking/lockdep.c:3837 (discriminator 2) kernel/locking/lockdep.c:3892 (discriminator 2))
[   31.804934][  T476]  hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2))
[   31.804937][  T476]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   31.804939][  T476]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   31.804944][  T476]  ? hvc_write (drivers/tty/hvc/hvc_console.c:501)
[   31.804947][  T476]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   31.804949][  T476]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   31.804954][  T476]  console_emit_next_record (kernel/printk/printk.c:3183)
[   31.804957][  T476]  ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20)
[   31.804958][  T476]  ? 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))
[   31.804961][  T476]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   31.804963][  T476]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   31.804967][  T476]  console_flush_one_record (kernel/printk/printk.c:3268)
[   31.804971][  T476]  ? console_emit_next_record (kernel/printk/printk.c:3150)
[   31.804972][  T476]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   31.804977][  T476]  console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420)
[   31.804980][  T476]  ? console_flush_one_record (kernel/printk/printk.c:3316)
[   31.804981][  T476]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   31.804983][  T476]  ? lock_acquire (kernel/locking/lockdep.c:5913)
[   31.804987][  T476]  ? __down_trylock_console_sem (kernel/printk/printk.c:334)
[   31.804988][  T476]  ? vprintk_emit (kernel/printk/printk.c:2478)
[   31.804991][  T476]  vprintk_emit (kernel/printk/printk.c:2479)
[   31.804995][  T476]  ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126))
[   31.804996][  T476]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   31.804998][  T476]  ? save_trace (kernel/locking/lockdep.c:154 (discriminator 6) kernel/locking/lockdep.c:150 (discriminator 6) kernel/locking/lockdep.c:202 (discriminator 6) kernel/locking/lockdep.c:577 (discriminator 6))
[   31.805000][  T476]  ? find_held_lock (kernel/locking/lockdep.c:5360)
[   31.805004][  T476]  _printk (kernel/printk/printk.c:2504)
[   31.805008][  T476]  ? snapshot_read.cold (user.c:?)
[   31.805009][  T476]  ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4116 (discriminator 3) kernel/rcu/tree.c:4108 (discriminator 3))
[   31.805012][  T476]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380)
[   31.805014][  T476]  ? validate_chain (kernel/locking/lockdep.c:3817 (discriminator 2) kernel/locking/lockdep.c:3837 (discriminator 2) kernel/locking/lockdep.c:3892 (discriminator 2))
[   31.805016][  T476]  ? netdev_name (./include/linux/netdevice.h:5709 (discriminator 1))
[   31.805020][  T476]  ? __netdev_printk (net/core/dev.c:13148 (discriminator 2))
[   31.805023][  T476]  ? do_setlink.isra.0 (net/core/rtnetlink.c:3246)
[   31.805025][  T476]  netdev_info (net/core/dev.c:13195 (discriminator 3))
[   31.805027][  T476]  ? netdev_notice (net/core/dev.c:13194)
[   31.805030][  T476]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[   31.805033][  T476]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554)
[   31.805035][  T476]  ? mark_held_locks (kernel/locking/lockdep.c:4341)
[   31.805040][  T476]  ? do_setlink.isra.0 (net/core/rtnetlink.c:3246)
[   31.805042][  T476]  netif_change_name.cold (net/core/dev.c:1507 (discriminator 3))
[   31.805046][  T476]  ? 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))
[   31.805052][  T476]  ? netdev_adjacent_rename_links (net/core/dev.c:9598)
[   31.805054][  T476]  ? __kernel_text_address (kernel/extable.c:79)
[   31.805057][  T476]  ? write_profile (profile.c:?)
[   31.805061][  T476]  ? __asan_memset (mm/kasan/shadow.c:84 (discriminator 1))
[   31.805066][  T476]  do_setlink.isra.0 (net/core/rtnetlink.c:3246)
[   31.805071][  T476]  ? stack_trace_save (kernel/stacktrace.c:122 (discriminator 1))
[   31.805073][  T476]  ? rtnl_link_get_size (net/core/rtnetlink.c:747)
[   31.805074][  T476]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:388 kernel/rcu/update.c:380)
[   31.805076][  T476]  ? stack_depot_save_flags (lib/stackdepot.c:609 (discriminator 2) lib/stackdepot.c:676 (discriminator 2))
[   31.805080][  T476]  ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4116 (discriminator 3) kernel/rcu/tree.c:4108 (discriminator 3))
[   31.805082][  T476]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380)
[   31.805084][  T476]  ? validate_chain (kernel/locking/lockdep.c:3817 (discriminator 2) kernel/locking/lockdep.c:3837 (discriminator 2) kernel/locking/lockdep.c:3892 (discriminator 2))
[   31.805087][  T476]  ? kasan_save_stack (mm/kasan/common.c:58)
[   31.805090][  T476]  ? kasan_save_stack (mm/kasan/common.c:57)
[   31.805092][  T476]  ? kasan_save_track (mm/kasan/common.c:78)
[   31.805095][  T476]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   31.805097][  T476]  ? netlink_update_listeners (net/netlink/af_netlink.c:532)
[   31.805100][  T476]  ? ___sys_sendmsg (net/socket.c:2744 net/socket.c:2763)
[   31.805105][  T476]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2))
[   31.805107][  T476]  ? rtnl_newlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:366 net/core/rtnetlink.c:4214)
[   31.805110][  T476]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   31.805112][  T476]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   31.805113][  T476]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   31.805115][  T476]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   31.805116][  T476]  ? trace_contention_end (./include/trace/events/lock.h:121 (discriminator 22))
[   31.805119][  T476]  ? __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)
[   31.805122][  T476]  ? __mutex_lock (kernel/locking/mutex.c:656 (discriminator 1) kernel/locking/mutex.c:821 (discriminator 1))
[   31.805125][  T476]  ? rtnl_newlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:366 net/core/rtnetlink.c:4214)
[   31.805128][  T476]  ? ww_mutex_lock (kernel/locking/mutex.c:934)
[   31.805130][  T476]  ? nla_get_range_signed (lib/nlattr.c:270)
[   31.805135][  T476]  ? __rtnl_newlink (net/core/rtnetlink.c:4063)
[   31.805143][  T476]  rtnl_newlink (net/core/rtnetlink.c:4215)
[   31.805149][  T476]  ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558)
[   31.805150][  T476]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   31.805155][  T476]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2))
[   31.805157][  T476]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[   31.805159][  T476]  ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558)
[   31.805161][  T476]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554)
[   31.805165][  T476]  ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558)
[   31.805167][  T476]  rtnetlink_rcv_msg (net/core/rtnetlink.c:7132)
[   31.805170][  T476]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   31.805171][  T476]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   31.805176][  T476]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2))
[   31.805178][  T476]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[   31.805181][  T476]  netlink_rcv_skb (net/netlink/af_netlink.c:2556)
[   31.805183][  T476]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   31.805186][  T476]  ? netlink_ack (./include/linux/skbuff.h:2718)
[   31.805192][  T476]  ? 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))
[   31.805193][  T476]  ? 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))
[   31.805197][  T476]  netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[   31.805201][  T476]  ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[   31.805204][  T476]  ? __lock_acquire (kernel/locking/lockdep.c:5251 (discriminator 3))
[   31.805208][  T476]  netlink_sendmsg (net/netlink/af_netlink.c:1900)
[   31.805212][  T476]  ? netlink_unicast (./include/net/net_namespace.h:422 (discriminator 7))
[   31.805213][  T476]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554)
[   31.805216][  T476]  ? __might_fault (mm/memory.c:7482 (discriminator 5))
[   31.805220][  T476]  ? __might_fault (mm/memory.c:7482 (discriminator 5))
[   31.805224][  T476]  ____sys_sendmsg (net/socket.c:800 (discriminator 4) net/socket.c:815 (discriminator 4) net/socket.c:2713 (discriminator 4))
[   31.805226][  T476]  ? copy_msghdr_from_user (net/socket.c:2650)
[   31.805228][  T476]  ? get_timestamp.constprop.0 (./include/linux/netdevice.h:5399)
[   31.805230][  T476]  ? move_addr_to_kernel (./include/linux/audit.h:354 (discriminator 1))
[   31.805237][  T476]  ___sys_sendmsg (net/socket.c:2767)
[   31.805240][  T476]  ? copy_msghdr_from_user (net/socket.c:2619)
[   31.805255][  T476]  __sys_sendmsg (net/socket.c:2799)
[   31.805258][  T476]  ? __sys_sendmsg_sock (net/socket.c:2780)
[   31.805265][  T476]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   31.805268][  T476]  do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84)
[   31.805270][  T476]  ? exc_page_fault (arch/x86/mm/fault.c:1489 (discriminator 3) arch/x86/mm/fault.c:1536 (discriminator 3))
[   31.805274][  T476]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[   31.805276][  T476] RIP: 0033:0x7f8ff448554e
[   31.805280][  T476] 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
[   31.805281][  T476] RSP: 002b:00007ffee1180f40 EFLAGS: 00000202 ORIG_RAX: 000000000000002e
[   31.805284][  T476] RAX: ffffffffffffffda RBX: 0000000000000003 RCX: 00007f8ff448554e
[   31.805285][  T476] RDX: 0000000000000000 RSI: 00007ffee1180ff0 RDI: 0000000000000005
[   31.805286][  T476] RBP: 00007ffee1180f50 R08: 0000000000000000 R09: 0000000000000000
[   31.805287][  T476] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a91618f
[   31.805288][  T476] R13: 00000000004a1620 R14: 0000000000000000 R15: 00007ffee11816c0
| [   32.823078][  T486] softirqs last disabled at (22976): netif_change_name (./include/linux/spinlock.h:353 ./include/linux/seqlock.h:908 net/core/dev.c:1499)
| [   32.823081][  T486] Preemption disabled at:
| [   32.823082][  T486] vprintk_emit (kernel/printk/printk.c:2471)
| [   32.823091][  T486] Tainted: [W]=WARN
[   32.823092][  T486] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   32.823094][  T486] Call Trace:
[   32.823096][  T486]  <TASK>
[   32.823097][  T486]  dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120)
[   32.823102][  T486]  ? vprintk_emit (kernel/printk/printk.c:2471)
[   32.823104][  T486]  __might_resched.cold (kernel/sched/core.c:9234)
[   32.823108][  T486]  ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3))
[   32.823112][  T486]  ? __kmalloc_noprof (./include/linux/sched/mm.h:317 mm/slub.c:4636 mm/slub.c:4974 mm/slub.c:5413 mm/slub.c:5439)
[   32.823117][  T486]  __kmalloc_noprof (./include/linux/sched/mm.h:322 (discriminator 2) mm/slub.c:4636 (discriminator 2) mm/slub.c:4974 (discriminator 2) mm/slub.c:5413 (discriminator 2) mm/slub.c:5439 (discriminator 2))
[   32.823119][  T486]  ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[   32.823125][  T486]  ? do_raw_spin_unlock (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:32 ./include/asm-generic/qspinlock.h:58 kernel/locking/spinlock_debug.c:101 kernel/locking/spinlock_debug.c:141)
[   32.823129][  T486]  alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[   32.823132][  T486]  put_chars (drivers/char/virtio_console.c:1176)
[   32.823135][  T486]  ? __send_to_port (drivers/char/virtio_console.c:654)
[   32.823141][  T486]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380)
[   32.823144][  T486]  ? validate_chain (kernel/locking/lockdep.c:3817 (discriminator 2) kernel/locking/lockdep.c:3837 (discriminator 2) kernel/locking/lockdep.c:3892 (discriminator 2))
[   32.823149][  T486]  hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2))
[   32.823153][  T486]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   32.823155][  T486]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   32.823159][  T486]  ? hvc_write (drivers/tty/hvc/hvc_console.c:501)
[   32.823163][  T486]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   32.823165][  T486]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   32.823169][  T486]  console_emit_next_record (kernel/printk/printk.c:3183)
[   32.823173][  T486]  ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20)
[   32.823174][  T486]  ? console_flush_one_record (./include/linux/rcupdate.h:314 (discriminator 2) ./include/linux/srcu.h:439 (discriminator 2) kernel/printk/printk.c:291 (discriminator 2) kernel/printk/printk.c:3246 (discriminator 2))
[   32.823177][  T486]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   32.823179][  T486]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   32.823183][  T486]  console_flush_one_record (kernel/printk/printk.c:3268)
[   32.823186][  T486]  ? console_emit_next_record (kernel/printk/printk.c:3150)
[   32.823188][  T486]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   32.823193][  T486]  console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420)
[   32.823195][  T486]  ? console_flush_one_record (kernel/printk/printk.c:3316)
[   32.823197][  T486]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   32.823199][  T486]  ? lock_acquire (kernel/locking/lockdep.c:5913)
[   32.823202][  T486]  ? __down_trylock_console_sem (kernel/printk/printk.c:334)
[   32.823204][  T486]  ? vprintk_emit (kernel/printk/printk.c:2478)
[   32.823207][  T486]  vprintk_emit (kernel/printk/printk.c:2479)
[   32.823210][  T486]  ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126))
[   32.823212][  T486]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   32.823214][  T486]  ? save_trace (kernel/locking/lockdep.c:154 (discriminator 6) kernel/locking/lockdep.c:150 (discriminator 6) kernel/locking/lockdep.c:202 (discriminator 6) kernel/locking/lockdep.c:577 (discriminator 6))
[   32.823216][  T486]  ? find_held_lock (kernel/locking/lockdep.c:5360)
[   32.823220][  T486]  _printk (kernel/printk/printk.c:2504)
[   32.823224][  T486]  ? snapshot_read.cold (user.c:?)
[   32.823226][  T486]  ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4116 (discriminator 3) kernel/rcu/tree.c:4108 (discriminator 3))
[   32.823229][  T486]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380)
[   32.823231][  T486]  ? validate_chain (kernel/locking/lockdep.c:3817 (discriminator 2) kernel/locking/lockdep.c:3837 (discriminator 2) kernel/locking/lockdep.c:3892 (discriminator 2))
[   32.823233][  T486]  ? netdev_name (./include/linux/netdevice.h:5709 (discriminator 1))
[   32.823236][  T486]  ? __netdev_printk (net/core/dev.c:13148 (discriminator 2))
[   32.823239][  T486]  ? do_setlink.isra.0 (net/core/rtnetlink.c:3246)
[   32.823241][  T486]  netdev_info (net/core/dev.c:13195 (discriminator 3))
[   32.823244][  T486]  ? netdev_notice (net/core/dev.c:13194)
[   32.823246][  T486]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[   32.823249][  T486]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554)
[   32.823252][  T486]  ? mark_held_locks (kernel/locking/lockdep.c:4341)
[   32.823255][  T486]  ? do_setlink.isra.0 (net/core/rtnetlink.c:3246)
[   32.823257][  T486]  netif_change_name.cold (net/core/dev.c:1507 (discriminator 3))
[   32.823260][  T486]  ? is_bpf_text_address (./include/linux/rcupdate.h:319 (discriminator 2) ./include/linux/rcupdate.h:880 (discriminator 2) kernel/bpf/core.c:751 (discriminator 2))
[   32.823267][  T486]  ? netdev_adjacent_rename_links (net/core/dev.c:9598)
[   32.823269][  T486]  ? __kernel_text_address (kernel/extable.c:79)
[   32.823273][  T486]  ? write_profile (profile.c:?)
[   32.823277][  T486]  ? __asan_memset (mm/kasan/shadow.c:84 (discriminator 1))
[   32.823282][  T486]  do_setlink.isra.0 (net/core/rtnetlink.c:3246)
[   32.823285][  T486]  ? stack_trace_save (kernel/stacktrace.c:122 (discriminator 1))
[   32.823288][  T486]  ? rtnl_link_get_size (net/core/rtnetlink.c:747)
[   32.823289][  T486]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:388 kernel/rcu/update.c:380)
[   32.823291][  T486]  ? stack_depot_save_flags (lib/stackdepot.c:609 (discriminator 2) lib/stackdepot.c:676 (discriminator 2))
[   32.823295][  T486]  ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4116 (discriminator 3) kernel/rcu/tree.c:4108 (discriminator 3))
[   32.823297][  T486]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380)
[   32.823299][  T486]  ? validate_chain (kernel/locking/lockdep.c:3817 (discriminator 2) kernel/locking/lockdep.c:3837 (discriminator 2) kernel/locking/lockdep.c:3892 (discriminator 2))
[   32.823302][  T486]  ? kasan_save_stack (mm/kasan/common.c:58)
[   32.823305][  T486]  ? kasan_save_stack (mm/kasan/common.c:57)
[   32.823306][  T486]  ? kasan_save_track (mm/kasan/common.c:78)
[   32.823309][  T486]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   32.823311][  T486]  ? netlink_update_listeners (net/netlink/af_netlink.c:532)
[   32.823314][  T486]  ? ___sys_sendmsg (net/socket.c:2744 net/socket.c:2763)
[   32.823319][  T486]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2))
[   32.823322][  T486]  ? rtnl_newlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:366 net/core/rtnetlink.c:4214)
[   32.823324][  T486]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   32.823326][  T486]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   32.823328][  T486]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   32.823329][  T486]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   32.823331][  T486]  ? trace_contention_end (./include/trace/events/lock.h:121 (discriminator 22))
[   32.823334][  T486]  ? __mutex_lock (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:3188 kernel/locking/mutex.c:89 kernel/locking/mutex.c:134 kernel/locking/mutex.c:649 kernel/locking/mutex.c:821)
[   32.823337][  T486]  ? __mutex_lock (kernel/locking/mutex.c:656 (discriminator 1) kernel/locking/mutex.c:821 (discriminator 1))
[   32.823340][  T486]  ? rtnl_newlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:366 net/core/rtnetlink.c:4214)
[   32.823343][  T486]  ? ww_mutex_lock (kernel/locking/mutex.c:934)
[   32.823345][  T486]  ? nla_get_range_signed (lib/nlattr.c:270)
[   32.823351][  T486]  ? __rtnl_newlink (net/core/rtnetlink.c:4063)
[   32.823356][  T486]  rtnl_newlink (net/core/rtnetlink.c:4215)
[   32.823361][  T486]  ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558)
[   32.823363][  T486]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   32.823368][  T486]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2))
[   32.823370][  T486]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[   32.823372][  T486]  ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558)
[   32.823374][  T486]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554)
[   32.823378][  T486]  ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558)
[   32.823380][  T486]  rtnetlink_rcv_msg (net/core/rtnetlink.c:7132)
[   32.823383][  T486]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   32.823384][  T486]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   32.823389][  T486]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2))
[   32.823391][  T486]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[   32.823394][  T486]  netlink_rcv_skb (net/netlink/af_netlink.c:2556)
[   32.823396][  T486]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   32.823400][  T486]  ? netlink_ack (./include/linux/skbuff.h:2718)
[   32.823406][  T486]  ? netlink_deliver_tap (./include/linux/rcupdate.h:319 (discriminator 2) ./include/linux/rcupdate.h:880 (discriminator 2) ./include/net/netns/generic.h:48 (discriminator 2) net/netlink/af_netlink.c:334 (discriminator 2))
[   32.823407][  T486]  ? netlink_deliver_tap (./include/linux/rcupdate.h:319 (discriminator 2) ./include/linux/rcupdate.h:880 (discriminator 2) net/netlink/af_netlink.c:341 (discriminator 2))
[   32.823411][  T486]  netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[   32.823415][  T486]  ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[   32.823418][  T486]  ? __lock_acquire (kernel/locking/lockdep.c:5251 (discriminator 3))
[   32.823422][  T486]  netlink_sendmsg (net/netlink/af_netlink.c:1900)
[   32.823426][  T486]  ? netlink_unicast (./include/net/net_namespace.h:422 (discriminator 7))
[   32.823427][  T486]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554)
[   32.823430][  T486]  ? __might_fault (mm/memory.c:7482 (discriminator 5))
[   32.823434][  T486]  ? __might_fault (mm/memory.c:7482 (discriminator 5))
[   32.823438][  T486]  ____sys_sendmsg (net/socket.c:800 (discriminator 4) net/socket.c:815 (discriminator 4) net/socket.c:2713 (discriminator 4))
[   32.823440][  T486]  ? copy_msghdr_from_user (net/socket.c:2650)
[   32.823442][  T486]  ? get_timestamp.constprop.0 (./include/linux/netdevice.h:5399)
[   32.823444][  T486]  ? move_addr_to_kernel (./include/linux/audit.h:354 (discriminator 1))
[   32.823451][  T486]  ___sys_sendmsg (net/socket.c:2767)
[   32.823454][  T486]  ? copy_msghdr_from_user (net/socket.c:2619)
[   32.823470][  T486]  __sys_sendmsg (net/socket.c:2799)
[   32.823473][  T486]  ? __sys_sendmsg_sock (net/socket.c:2780)
[   32.823479][  T486]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   32.823482][  T486]  do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84)
[   32.823485][  T486]  ? exc_page_fault (arch/x86/mm/fault.c:1489 (discriminator 3) arch/x86/mm/fault.c:1536 (discriminator 3))
[   32.823488][  T486]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[   32.823490][  T486] RIP: 0033:0x7feeb86f154e
[   32.823494][  T486] Code: 4d 89 d8 e8 b4 bd 00 00 4c 8b 5d f8 41 8b 93 08 03 00 00 59 5e 48 83 f8 fc 74 11 c9 c3 0f 1f 80 00 00 00 00 48 8b 45 10 0f 05 <c9> c3 83 e2 39 83 fa 08 75 e7 e8 03 ff ff ff 0f 1f 00 f3 0f 1e fa
All code
========
   0:	4d 89 d8             	mov    %r11,%r8
   3:	e8 b4 bd 00 00       	call   0xbdbc
   8:	4c 8b 5d f8          	mov    -0x8(%rbp),%r11
   c:	41 8b 93 08 03 00 00 	mov    0x308(%r11),%edx
  13:	59                   	pop    %rcx
  14:	5e                   	pop    %rsi
  15:	48 83 f8 fc          	cmp    $0xfffffffffffffffc,%rax
  19:	74 11                	je     0x2c
  1b:	c9                   	leave
  1c:	c3                   	ret
  1d:	0f 1f 80 00 00 00 00 	nopl   0x0(%rax)
  24:	48 8b 45 10          	mov    0x10(%rbp),%rax
  28:	0f 05                	syscall
  2a:*	c9                   	leave		<-- trapping instruction
  2b:	c3                   	ret
  2c:	83 e2 39             	and    $0x39,%edx
  2f:	83 fa 08             	cmp    $0x8,%edx
  32:	75 e7                	jne    0x1b
  34:	e8 03 ff ff ff       	call   0xffffffffffffff3c
  39:	0f 1f 00             	nopl   (%rax)
  3c:	f3 0f 1e fa          	endbr64

Code starting with the faulting instruction
===========================================
   0:	c9                   	leave
   1:	c3                   	ret
   2:	83 e2 39             	and    $0x39,%edx
   5:	83 fa 08             	cmp    $0x8,%edx
   8:	75 e7                	jne    0xfffffffffffffff1
   a:	e8 03 ff ff ff       	call   0xffffffffffffff12
   f:	0f 1f 00             	nopl   (%rax)
  12:	f3 0f 1e fa          	endbr64
[   32.823496][  T486] RSP: 002b:00007ffc5d95dae0 EFLAGS: 00000202 ORIG_RAX: 000000000000002e
[   32.823498][  T486] RAX: ffffffffffffffda RBX: 0000000000000003 RCX: 00007feeb86f154e
[   32.823500][  T486] RDX: 0000000000000000 RSI: 00007ffc5d95db90 RDI: 0000000000000005
[   32.823501][  T486] RBP: 00007ffc5d95daf0 R08: 0000000000000000 R09: 0000000000000000
[   32.823501][  T486] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a916190
[   32.823502][  T486] R13: 00000000004a1620 R14: 0000000000000000 R15: 00007ffc5d95e260
| [   33.987357][  T496] softirqs last disabled at (27414): netif_change_name (./include/linux/spinlock.h:353 ./include/linux/seqlock.h:908 net/core/dev.c:1499)
| [   33.987360][  T496] Preemption disabled at:
| [   33.987360][  T496] vprintk_emit (kernel/printk/printk.c:2471)
| [   33.987369][  T496] Tainted: [W]=WARN
[   33.987370][  T496] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   33.987372][  T496] Call Trace:
[   33.987373][  T496]  <TASK>
[   33.987375][  T496]  dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120)
[   33.987380][  T496]  ? vprintk_emit (kernel/printk/printk.c:2471)
[   33.987382][  T496]  __might_resched.cold (kernel/sched/core.c:9234)
[   33.987386][  T496]  ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3))
[   33.987390][  T496]  ? __kmalloc_noprof (./include/linux/sched/mm.h:317 mm/slub.c:4636 mm/slub.c:4974 mm/slub.c:5413 mm/slub.c:5439)
[   33.987395][  T496]  __kmalloc_noprof (./include/linux/sched/mm.h:322 (discriminator 2) mm/slub.c:4636 (discriminator 2) mm/slub.c:4974 (discriminator 2) mm/slub.c:5413 (discriminator 2) mm/slub.c:5439 (discriminator 2))
[   33.987398][  T496]  ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[   33.987404][  T496]  ? do_raw_spin_unlock (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:32 ./include/asm-generic/qspinlock.h:58 kernel/locking/spinlock_debug.c:101 kernel/locking/spinlock_debug.c:141)
[   33.987407][  T496]  alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[   33.987410][  T496]  put_chars (drivers/char/virtio_console.c:1176)
[   33.987413][  T496]  ? __send_to_port (drivers/char/virtio_console.c:654)
[   33.987417][  T496]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380)
[   33.987421][  T496]  ? validate_chain (kernel/locking/lockdep.c:3817 (discriminator 2) kernel/locking/lockdep.c:3837 (discriminator 2) kernel/locking/lockdep.c:3892 (discriminator 2))
[   33.987425][  T496]  hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2))
[   33.987429][  T496]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   33.987431][  T496]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   33.987436][  T496]  ? hvc_write (drivers/tty/hvc/hvc_console.c:501)
[   33.987439][  T496]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   33.987442][  T496]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   33.987446][  T496]  console_emit_next_record (kernel/printk/printk.c:3183)
[   33.987450][  T496]  ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20)
[   33.987451][  T496]  ? console_flush_one_record (./include/linux/rcupdate.h:314 (discriminator 2) ./include/linux/srcu.h:439 (discriminator 2) kernel/printk/printk.c:291 (discriminator 2) kernel/printk/printk.c:3246 (discriminator 2))
[   33.987454][  T496]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   33.987456][  T496]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   33.987460][  T496]  console_flush_one_record (kernel/printk/printk.c:3268)
[   33.987464][  T496]  ? console_emit_next_record (kernel/printk/printk.c:3150)
[   33.987465][  T496]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   33.987471][  T496]  console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420)
[   33.987473][  T496]  ? console_flush_one_record (kernel/printk/printk.c:3316)
[   33.987474][  T496]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   33.987476][  T496]  ? lock_acquire (kernel/locking/lockdep.c:5913)
[   33.987480][  T496]  ? __down_trylock_console_sem (kernel/printk/printk.c:334)
[   33.987482][  T496]  ? vprintk_emit (kernel/printk/printk.c:2478)
[   33.987485][  T496]  vprintk_emit (kernel/printk/printk.c:2479)
[   33.987489][  T496]  ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126))
[   33.987491][  T496]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   33.987493][  T496]  ? save_trace (kernel/locking/lockdep.c:154 (discriminator 6) kernel/locking/lockdep.c:150 (discriminator 6) kernel/locking/lockdep.c:202 (discriminator 6) kernel/locking/lockdep.c:577 (discriminator 6))
[   33.987495][  T496]  ? find_held_lock (kernel/locking/lockdep.c:5360)
[   33.987499][  T496]  _printk (kernel/printk/printk.c:2504)
[   33.987503][  T496]  ? snapshot_read.cold (user.c:?)
[   33.987504][  T496]  ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4116 (discriminator 3) kernel/rcu/tree.c:4108 (discriminator 3))
[   33.987507][  T496]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380)
[   33.987509][  T496]  ? validate_chain (kernel/locking/lockdep.c:3817 (discriminator 2) kernel/locking/lockdep.c:3837 (discriminator 2) kernel/locking/lockdep.c:3892 (discriminator 2))
[   33.987512][  T496]  ? netdev_name (./include/linux/netdevice.h:5709 (discriminator 1))
[   33.987515][  T496]  ? __netdev_printk (net/core/dev.c:13148 (discriminator 2))
[   33.987518][  T496]  ? do_setlink.isra.0 (net/core/rtnetlink.c:3246)
[   33.987520][  T496]  netdev_info (net/core/dev.c:13195 (discriminator 3))
[   33.987523][  T496]  ? netdev_notice (net/core/dev.c:13194)
[   33.987526][  T496]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[   33.987529][  T496]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554)
[   33.987532][  T496]  ? mark_held_locks (kernel/locking/lockdep.c:4341)
[   33.987536][  T496]  ? do_setlink.isra.0 (net/core/rtnetlink.c:3246)
[   33.987538][  T496]  netif_change_name.cold (net/core/dev.c:1507 (discriminator 3))
[   33.987541][  T496]  ? is_bpf_text_address (./include/linux/rcupdate.h:319 (discriminator 2) ./include/linux/rcupdate.h:880 (discriminator 2) kernel/bpf/core.c:751 (discriminator 2))
[   33.987547][  T496]  ? netdev_adjacent_rename_links (net/core/dev.c:9598)
[   33.987550][  T496]  ? __kernel_text_address (kernel/extable.c:79)
[   33.987553][  T496]  ? write_profile (profile.c:?)
[   33.987557][  T496]  ? __asan_memset (mm/kasan/shadow.c:84 (discriminator 1))
[   33.987562][  T496]  do_setlink.isra.0 (net/core/rtnetlink.c:3246)
[   33.987566][  T496]  ? stack_trace_save (kernel/stacktrace.c:122 (discriminator 1))
[   33.987569][  T496]  ? rtnl_link_get_size (net/core/rtnetlink.c:747)
[   33.987570][  T496]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:388 kernel/rcu/update.c:380)
[   33.987572][  T496]  ? stack_depot_save_flags (lib/stackdepot.c:609 (discriminator 2) lib/stackdepot.c:676 (discriminator 2))
[   33.987576][  T496]  ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4116 (discriminator 3) kernel/rcu/tree.c:4108 (discriminator 3))
[   33.987578][  T496]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380)
[   33.987581][  T496]  ? validate_chain (kernel/locking/lockdep.c:3817 (discriminator 2) kernel/locking/lockdep.c:3837 (discriminator 2) kernel/locking/lockdep.c:3892 (discriminator 2))
[   33.987583][  T496]  ? kasan_save_stack (mm/kasan/common.c:58)
[   33.987586][  T496]  ? kasan_save_stack (mm/kasan/common.c:57)
[   33.987588][  T496]  ? kasan_save_track (mm/kasan/common.c:78)
[   33.987591][  T496]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   33.987593][  T496]  ? netlink_update_listeners (net/netlink/af_netlink.c:532)
[   33.987596][  T496]  ? ___sys_sendmsg (net/socket.c:2744 net/socket.c:2763)
[   33.987601][  T496]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2))
[   33.987603][  T496]  ? rtnl_newlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:366 net/core/rtnetlink.c:4214)
[   33.987606][  T496]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   33.987608][  T496]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   33.987609][  T496]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   33.987611][  T496]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   33.987613][  T496]  ? trace_contention_end (./include/trace/events/lock.h:121 (discriminator 22))
[   33.987615][  T496]  ? __mutex_lock (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:3188 kernel/locking/mutex.c:89 kernel/locking/mutex.c:134 kernel/locking/mutex.c:649 kernel/locking/mutex.c:821)
[   33.987619][  T496]  ? __mutex_lock (kernel/locking/mutex.c:656 (discriminator 1) kernel/locking/mutex.c:821 (discriminator 1))
[   33.987621][  T496]  ? rtnl_newlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:366 net/core/rtnetlink.c:4214)
[   33.987625][  T496]  ? ww_mutex_lock (kernel/locking/mutex.c:934)
[   33.987627][  T496]  ? nla_get_range_signed (lib/nlattr.c:270)
[   33.987633][  T496]  ? __rtnl_newlink (net/core/rtnetlink.c:4063)
[   33.987638][  T496]  rtnl_newlink (net/core/rtnetlink.c:4215)
[   33.987643][  T496]  ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558)
[   33.987645][  T496]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   33.987650][  T496]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2))
[   33.987652][  T496]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[   33.987654][  T496]  ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558)
[   33.987656][  T496]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554)
[   33.987660][  T496]  ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558)
[   33.987662][  T496]  rtnetlink_rcv_msg (net/core/rtnetlink.c:7132)
[   33.987665][  T496]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   33.987667][  T496]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   33.987672][  T496]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2))
[   33.987674][  T496]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[   33.987677][  T496]  netlink_rcv_skb (net/netlink/af_netlink.c:2556)
[   33.987679][  T496]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   33.987682][  T496]  ? netlink_ack (./include/linux/skbuff.h:2718)
[   33.987689][  T496]  ? netlink_deliver_tap (./include/linux/rcupdate.h:319 (discriminator 2) ./include/linux/rcupdate.h:880 (discriminator 2) ./include/net/netns/generic.h:48 (discriminator 2) net/netlink/af_netlink.c:334 (discriminator 2))
[   33.987690][  T496]  ? netlink_deliver_tap (./include/linux/rcupdate.h:319 (discriminator 2) ./include/linux/rcupdate.h:880 (discriminator 2) net/netlink/af_netlink.c:341 (discriminator 2))
[   33.987694][  T496]  netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[   33.987698][  T496]  ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[   33.987701][  T496]  ? __lock_acquire (kernel/locking/lockdep.c:5251 (discriminator 3))
[   33.987705][  T496]  netlink_sendmsg (net/netlink/af_netlink.c:1900)
[   33.987709][  T496]  ? netlink_unicast (./include/net/net_namespace.h:422 (discriminator 7))
[   33.987711][  T496]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554)
[   33.987714][  T496]  ? __might_fault (mm/memory.c:7482 (discriminator 5))
[   33.987718][  T496]  ? __might_fault (mm/memory.c:7482 (discriminator 5))
[   33.987722][  T496]  ____sys_sendmsg (net/socket.c:800 (discriminator 4) net/socket.c:815 (discriminator 4) net/socket.c:2713 (discriminator 4))
[   33.987724][  T496]  ? copy_msghdr_from_user (net/socket.c:2650)
[   33.987726][  T496]  ? get_timestamp.constprop.0 (./include/linux/netdevice.h:5399)
[   33.987728][  T496]  ? move_addr_to_kernel (./include/linux/audit.h:354 (discriminator 1))
[   33.987742][  T496]  ___sys_sendmsg (net/socket.c:2767)
[   33.987745][  T496]  ? copy_msghdr_from_user (net/socket.c:2619)
[   33.987761][  T496]  __sys_sendmsg (net/socket.c:2799)
[   33.987765][  T496]  ? __sys_sendmsg_sock (net/socket.c:2780)
[   33.987771][  T496]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   33.987774][  T496]  do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84)
[   33.987777][  T496]  ? exc_page_fault (arch/x86/mm/fault.c:1489 (discriminator 3) arch/x86/mm/fault.c:1536 (discriminator 3))
[   33.987780][  T496]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[   33.987783][  T496] RIP: 0033:0x7f4d2fbba54e
[   33.987787][  T496] Code: 4d 89 d8 e8 b4 bd 00 00 4c 8b 5d f8 41 8b 93 08 03 00 00 59 5e 48 83 f8 fc 74 11 c9 c3 0f 1f 80 00 00 00 00 48 8b 45 10 0f 05 <c9> c3 83 e2 39 83 fa 08 75 e7 e8 03 ff ff ff 0f 1f 00 f3 0f 1e fa
All code
========
   0:	4d 89 d8             	mov    %r11,%r8
   3:	e8 b4 bd 00 00       	call   0xbdbc
   8:	4c 8b 5d f8          	mov    -0x8(%rbp),%r11
   c:	41 8b 93 08 03 00 00 	mov    0x308(%r11),%edx
  13:	59                   	pop    %rcx
  14:	5e                   	pop    %rsi
  15:	48 83 f8 fc          	cmp    $0xfffffffffffffffc,%rax
  19:	74 11                	je     0x2c
  1b:	c9                   	leave
  1c:	c3                   	ret
  1d:	0f 1f 80 00 00 00 00 	nopl   0x0(%rax)
  24:	48 8b 45 10          	mov    0x10(%rbp),%rax
  28:	0f 05                	syscall
  2a:*	c9                   	leave		<-- trapping instruction
  2b:	c3                   	ret
  2c:	83 e2 39             	and    $0x39,%edx
  2f:	83 fa 08             	cmp    $0x8,%edx
  32:	75 e7                	jne    0x1b
  34:	e8 03 ff ff ff       	call   0xffffffffffffff3c
  39:	0f 1f 00             	nopl   (%rax)
  3c:	f3 0f 1e fa          	endbr64

Code starting with the faulting instruction
===========================================
   0:	c9                   	leave
   1:	c3                   	ret
   2:	83 e2 39             	and    $0x39,%edx
   5:	83 fa 08             	cmp    $0x8,%edx
   8:	75 e7                	jne    0xfffffffffffffff1
   a:	e8 03 ff ff ff       	call   0xffffffffffffff12
   f:	0f 1f 00             	nopl   (%rax)
  12:	f3 0f 1e fa          	endbr64
[   33.987788][  T496] RSP: 002b:00007fff4b3c2dc0 EFLAGS: 00000202 ORIG_RAX: 000000000000002e
[   33.987791][  T496] RAX: ffffffffffffffda RBX: 0000000000000003 RCX: 00007f4d2fbba54e
[   33.987792][  T496] RDX: 0000000000000000 RSI: 00007fff4b3c2e70 RDI: 0000000000000005
[   33.987793][  T496] RBP: 00007fff4b3c2dd0 R08: 0000000000000000 R09: 0000000000000000
[   33.987794][  T496] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a916191
[   33.987795][  T496] R13: 00000000004a1620 R14: 0000000000000000 R15: 00007fff4b3c3540
| [   35.005989][  T506] softirqs last disabled at (30452): netif_change_name (./include/linux/spinlock.h:353 ./include/linux/seqlock.h:908 net/core/dev.c:1499)
| [   35.005992][  T506] Preemption disabled at:
| [   35.005992][  T506] vprintk_emit (kernel/printk/printk.c:2471)
| [   35.006001][  T506] Tainted: [W]=WARN
[   35.006002][  T506] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   35.006003][  T506] Call Trace:
[   35.006005][  T506]  <TASK>
[   35.006006][  T506]  dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120)
[   35.006011][  T506]  ? vprintk_emit (kernel/printk/printk.c:2471)
[   35.006013][  T506]  __might_resched.cold (kernel/sched/core.c:9234)
[   35.006017][  T506]  ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3))
[   35.006021][  T506]  ? __kmalloc_noprof (./include/linux/sched/mm.h:317 mm/slub.c:4636 mm/slub.c:4974 mm/slub.c:5413 mm/slub.c:5439)
[   35.006026][  T506]  __kmalloc_noprof (./include/linux/sched/mm.h:322 (discriminator 2) mm/slub.c:4636 (discriminator 2) mm/slub.c:4974 (discriminator 2) mm/slub.c:5413 (discriminator 2) mm/slub.c:5439 (discriminator 2))
[   35.006029][  T506]  ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[   35.006035][  T506]  ? do_raw_spin_unlock (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:32 ./include/asm-generic/qspinlock.h:58 kernel/locking/spinlock_debug.c:101 kernel/locking/spinlock_debug.c:141)
[   35.006038][  T506]  alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[   35.006042][  T506]  put_chars (drivers/char/virtio_console.c:1176)
[   35.006045][  T506]  ? __send_to_port (drivers/char/virtio_console.c:654)
[   35.006049][  T506]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380)
[   35.006053][  T506]  ? validate_chain (kernel/locking/lockdep.c:3817 (discriminator 2) kernel/locking/lockdep.c:3837 (discriminator 2) kernel/locking/lockdep.c:3892 (discriminator 2))
[   35.006058][  T506]  hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2))
[   35.006062][  T506]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   35.006063][  T506]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   35.006068][  T506]  ? hvc_write (drivers/tty/hvc/hvc_console.c:501)
[   35.006072][  T506]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   35.006074][  T506]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   35.006079][  T506]  console_emit_next_record (kernel/printk/printk.c:3183)
[   35.006082][  T506]  ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20)
[   35.006084][  T506]  ? console_flush_one_record (./include/linux/rcupdate.h:314 (discriminator 2) ./include/linux/srcu.h:439 (discriminator 2) kernel/printk/printk.c:291 (discriminator 2) kernel/printk/printk.c:3246 (discriminator 2))
[   35.006086][  T506]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   35.006088][  T506]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   35.006093][  T506]  console_flush_one_record (kernel/printk/printk.c:3268)
[   35.006098][  T506]  ? console_emit_next_record (kernel/printk/printk.c:3150)
[   35.006100][  T506]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   35.006106][  T506]  console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420)
[   35.006108][  T506]  ? console_flush_one_record (kernel/printk/printk.c:3316)
[   35.006109][  T506]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   35.006111][  T506]  ? lock_acquire (kernel/locking/lockdep.c:5913)
[   35.006115][  T506]  ? __down_trylock_console_sem (kernel/printk/printk.c:334)
[   35.006117][  T506]  ? vprintk_emit (kernel/printk/printk.c:2478)
[   35.006120][  T506]  vprintk_emit (kernel/printk/printk.c:2479)
[   35.006124][  T506]  ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126))
[   35.006126][  T506]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   35.006128][  T506]  ? save_trace (kernel/locking/lockdep.c:154 (discriminator 6) kernel/locking/lockdep.c:150 (discriminator 6) kernel/locking/lockdep.c:202 (discriminator 6) kernel/locking/lockdep.c:577 (discriminator 6))
[   35.006130][  T506]  ? find_held_lock (kernel/locking/lockdep.c:5360)
[   35.006134][  T506]  _printk (kernel/printk/printk.c:2504)
[   35.006140][  T506]  ? snapshot_read.cold (user.c:?)
[   35.006141][  T506]  ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4116 (discriminator 3) kernel/rcu/tree.c:4108 (discriminator 3))
[   35.006144][  T506]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380)
[   35.006146][  T506]  ? validate_chain (kernel/locking/lockdep.c:3817 (discriminator 2) kernel/locking/lockdep.c:3837 (discriminator 2) kernel/locking/lockdep.c:3892 (discriminator 2))
[   35.006149][  T506]  ? netdev_name (./include/linux/netdevice.h:5709 (discriminator 1))
[   35.006152][  T506]  ? __netdev_printk (net/core/dev.c:13148 (discriminator 2))
[   35.006155][  T506]  ? do_setlink.isra.0 (net/core/rtnetlink.c:3246)
[   35.006157][  T506]  netdev_info (net/core/dev.c:13195 (discriminator 3))
[   35.006160][  T506]  ? netdev_notice (net/core/dev.c:13194)
[   35.006162][  T506]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[   35.006165][  T506]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554)
[   35.006168][  T506]  ? mark_held_locks (kernel/locking/lockdep.c:4341)
[   35.006172][  T506]  ? do_setlink.isra.0 (net/core/rtnetlink.c:3246)
[   35.006174][  T506]  netif_change_name.cold (net/core/dev.c:1507 (discriminator 3))
[   35.006177][  T506]  ? is_bpf_text_address (./include/linux/rcupdate.h:319 (discriminator 2) ./include/linux/rcupdate.h:880 (discriminator 2) kernel/bpf/core.c:751 (discriminator 2))
[   35.006184][  T506]  ? netdev_adjacent_rename_links (net/core/dev.c:9598)
[   35.006186][  T506]  ? __kernel_text_address (kernel/extable.c:79)
[   35.006189][  T506]  ? write_profile (profile.c:?)
[   35.006193][  T506]  ? __asan_memset (mm/kasan/shadow.c:84 (discriminator 1))
[   35.006198][  T506]  do_setlink.isra.0 (net/core/rtnetlink.c:3246)
[   35.006203][  T506]  ? stack_trace_save (kernel/stacktrace.c:122 (discriminator 1))
[   35.006205][  T506]  ? rtnl_link_get_size (net/core/rtnetlink.c:747)
[   35.006206][  T506]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:388 kernel/rcu/update.c:380)
[   35.006208][  T506]  ? stack_depot_save_flags (lib/stackdepot.c:609 (discriminator 2) lib/stackdepot.c:676 (discriminator 2))
[   35.006212][  T506]  ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4116 (discriminator 3) kernel/rcu/tree.c:4108 (discriminator 3))
[   35.006214][  T506]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380)
[   35.006216][  T506]  ? validate_chain (kernel/locking/lockdep.c:3817 (discriminator 2) kernel/locking/lockdep.c:3837 (discriminator 2) kernel/locking/lockdep.c:3892 (discriminator 2))
[   35.006219][  T506]  ? kasan_save_stack (mm/kasan/common.c:58)
[   35.006222][  T506]  ? kasan_save_stack (mm/kasan/common.c:57)
[   35.006223][  T506]  ? kasan_save_track (mm/kasan/common.c:78)
[   35.006226][  T506]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   35.006228][  T506]  ? netlink_update_listeners (net/netlink/af_netlink.c:532)
[   35.006231][  T506]  ? ___sys_sendmsg (net/socket.c:2744 net/socket.c:2763)
[   35.006236][  T506]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2))
[   35.006238][  T506]  ? rtnl_newlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:366 net/core/rtnetlink.c:4214)
[   35.006241][  T506]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   35.006243][  T506]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   35.006245][  T506]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   35.006246][  T506]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   35.006248][  T506]  ? trace_contention_end (./include/trace/events/lock.h:121 (discriminator 22))
[   35.006251][  T506]  ? __mutex_lock (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:3188 kernel/locking/mutex.c:89 kernel/locking/mutex.c:134 kernel/locking/mutex.c:649 kernel/locking/mutex.c:821)
[   35.006254][  T506]  ? __mutex_lock (kernel/locking/mutex.c:656 (discriminator 1) kernel/locking/mutex.c:821 (discriminator 1))
[   35.006256][  T506]  ? rtnl_newlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:366 net/core/rtnetlink.c:4214)
[   35.006260][  T506]  ? ww_mutex_lock (kernel/locking/mutex.c:934)
[   35.006262][  T506]  ? nla_get_range_signed (lib/nlattr.c:270)
[   35.006268][  T506]  ? __rtnl_newlink (net/core/rtnetlink.c:4063)
[   35.006273][  T506]  rtnl_newlink (net/core/rtnetlink.c:4215)
[   35.006278][  T506]  ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558)
[   35.006280][  T506]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   35.006285][  T506]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2))
[   35.006287][  T506]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[   35.006289][  T506]  ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558)
[   35.006291][  T506]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554)
[   35.006295][  T506]  ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558)
[   35.006297][  T506]  rtnetlink_rcv_msg (net/core/rtnetlink.c:7132)
[   35.006301][  T506]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   35.006302][  T506]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   35.006307][  T506]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2))
[   35.006309][  T506]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[   35.006313][  T506]  netlink_rcv_skb (net/netlink/af_netlink.c:2556)
[   35.006314][  T506]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   35.006317][  T506]  ? netlink_ack (./include/linux/skbuff.h:2718)
[   35.006324][  T506]  ? netlink_deliver_tap (./include/linux/rcupdate.h:319 (discriminator 2) ./include/linux/rcupdate.h:880 (discriminator 2) ./include/net/netns/generic.h:48 (discriminator 2) net/netlink/af_netlink.c:334 (discriminator 2))
[   35.006325][  T506]  ? netlink_deliver_tap (./include/linux/rcupdate.h:319 (discriminator 2) ./include/linux/rcupdate.h:880 (discriminator 2) net/netlink/af_netlink.c:341 (discriminator 2))
[   35.006330][  T506]  netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[   35.006333][  T506]  ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[   35.006336][  T506]  ? __lock_acquire (kernel/locking/lockdep.c:5251 (discriminator 3))
[   35.006341][  T506]  netlink_sendmsg (net/netlink/af_netlink.c:1900)
[   35.006344][  T506]  ? netlink_unicast (./include/net/net_namespace.h:422 (discriminator 7))
[   35.006346][  T506]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554)
[   35.006349][  T506]  ? __might_fault (mm/memory.c:7482 (discriminator 5))
[   35.006353][  T506]  ? __might_fault (mm/memory.c:7482 (discriminator 5))
[   35.006357][  T506]  ____sys_sendmsg (net/socket.c:800 (discriminator 4) net/socket.c:815 (discriminator 4) net/socket.c:2713 (discriminator 4))
[   35.006360][  T506]  ? copy_msghdr_from_user (net/socket.c:2650)
[   35.006362][  T506]  ? get_timestamp.constprop.0 (./include/linux/netdevice.h:5399)
[   35.006363][  T506]  ? move_addr_to_kernel (./include/linux/audit.h:354 (discriminator 1))
[   35.006371][  T506]  ___sys_sendmsg (net/socket.c:2767)
[   35.006374][  T506]  ? copy_msghdr_from_user (net/socket.c:2619)
[   35.006391][  T506]  __sys_sendmsg (net/socket.c:2799)
[   35.006394][  T506]  ? __sys_sendmsg_sock (net/socket.c:2780)
[   35.006401][  T506]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   35.006405][  T506]  do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84)
[   35.006407][  T506]  ? exc_page_fault (arch/x86/mm/fault.c:1489 (discriminator 3) arch/x86/mm/fault.c:1536 (discriminator 3))
[   35.006411][  T506]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[   35.006413][  T506] RIP: 0033:0x7f2b70f2d54e
[   35.006417][  T506] Code: 4d 89 d8 e8 b4 bd 00 00 4c 8b 5d f8 41 8b 93 08 03 00 00 59 5e 48 83 f8 fc 74 11 c9 c3 0f 1f 80 00 00 00 00 48 8b 45 10 0f 05 <c9> c3 83 e2 39 83 fa 08 75 e7 e8 03 ff ff ff 0f 1f 00 f3 0f 1e fa
All code
========
   0:	4d 89 d8             	mov    %r11,%r8
   3:	e8 b4 bd 00 00       	call   0xbdbc
   8:	4c 8b 5d f8          	mov    -0x8(%rbp),%r11
   c:	41 8b 93 08 03 00 00 	mov    0x308(%r11),%edx
  13:	59                   	pop    %rcx
  14:	5e                   	pop    %rsi
  15:	48 83 f8 fc          	cmp    $0xfffffffffffffffc,%rax
  19:	74 11                	je     0x2c
  1b:	c9                   	leave
  1c:	c3                   	ret
  1d:	0f 1f 80 00 00 00 00 	nopl   0x0(%rax)
  24:	48 8b 45 10          	mov    0x10(%rbp),%rax
  28:	0f 05                	syscall
  2a:*	c9                   	leave		<-- trapping instruction
  2b:	c3                   	ret
  2c:	83 e2 39             	and    $0x39,%edx
  2f:	83 fa 08             	cmp    $0x8,%edx
  32:	75 e7                	jne    0x1b
  34:	e8 03 ff ff ff       	call   0xffffffffffffff3c
  39:	0f 1f 00             	nopl   (%rax)
  3c:	f3 0f 1e fa          	endbr64

Code starting with the faulting instruction
===========================================
   0:	c9                   	leave
   1:	c3                   	ret
   2:	83 e2 39             	and    $0x39,%edx
   5:	83 fa 08             	cmp    $0x8,%edx
   8:	75 e7                	jne    0xfffffffffffffff1
   a:	e8 03 ff ff ff       	call   0xffffffffffffff12
   f:	0f 1f 00             	nopl   (%rax)
  12:	f3 0f 1e fa          	endbr64
[   35.006418][  T506] RSP: 002b:00007ffe76b5f450 EFLAGS: 00000202 ORIG_RAX: 000000000000002e
[   35.006421][  T506] RAX: ffffffffffffffda RBX: 0000000000000003 RCX: 00007f2b70f2d54e
[   35.006422][  T506] RDX: 0000000000000000 RSI: 00007ffe76b5f500 RDI: 0000000000000005
[   35.006423][  T506] RBP: 00007ffe76b5f460 R08: 0000000000000000 R09: 0000000000000000
[   35.006424][  T506] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a916192
[   35.006425][  T506] R13: 00000000004a1620 R14: 0000000000000000 R15: 00007ffe76b5fbd0
| [   36.083168][  T516] softirqs last disabled at (21252): netif_change_name (./include/linux/spinlock.h:353 ./include/linux/seqlock.h:908 net/core/dev.c:1499)
| [   36.083171][  T516] Preemption disabled at:
| [   36.083172][  T516] vprintk_emit (kernel/printk/printk.c:2471)
| [   36.083181][  T516] Tainted: [W]=WARN
[   36.083181][  T516] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   36.083183][  T516] Call Trace:
[   36.083185][  T516]  <TASK>
[   36.083186][  T516]  dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120)
[   36.083192][  T516]  ? vprintk_emit (kernel/printk/printk.c:2471)
[   36.083193][  T516]  __might_resched.cold (kernel/sched/core.c:9234)
[   36.083198][  T516]  ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3))
[   36.083201][  T516]  ? __kmalloc_noprof (./include/linux/sched/mm.h:317 mm/slub.c:4636 mm/slub.c:4974 mm/slub.c:5413 mm/slub.c:5439)
[   36.083207][  T516]  __kmalloc_noprof (./include/linux/sched/mm.h:322 (discriminator 2) mm/slub.c:4636 (discriminator 2) mm/slub.c:4974 (discriminator 2) mm/slub.c:5413 (discriminator 2) mm/slub.c:5439 (discriminator 2))
[   36.083209][  T516]  ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[   36.083215][  T516]  ? do_raw_spin_unlock (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:32 ./include/asm-generic/qspinlock.h:58 kernel/locking/spinlock_debug.c:101 kernel/locking/spinlock_debug.c:141)
[   36.083218][  T516]  alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[   36.083221][  T516]  put_chars (drivers/char/virtio_console.c:1176)
[   36.083224][  T516]  ? __send_to_port (drivers/char/virtio_console.c:654)
[   36.083228][  T516]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380)
[   36.083232][  T516]  ? validate_chain (kernel/locking/lockdep.c:3817 (discriminator 2) kernel/locking/lockdep.c:3837 (discriminator 2) kernel/locking/lockdep.c:3892 (discriminator 2))
[   36.083236][  T516]  hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2))
[   36.083240][  T516]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   36.083242][  T516]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   36.083247][  T516]  ? hvc_write (drivers/tty/hvc/hvc_console.c:501)
[   36.083250][  T516]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   36.083253][  T516]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   36.083257][  T516]  console_emit_next_record (kernel/printk/printk.c:3183)
[   36.083260][  T516]  ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20)
[   36.083262][  T516]  ? console_flush_one_record (./include/linux/rcupdate.h:314 (discriminator 2) ./include/linux/srcu.h:439 (discriminator 2) kernel/printk/printk.c:291 (discriminator 2) kernel/printk/printk.c:3246 (discriminator 2))
[   36.083264][  T516]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   36.083266][  T516]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   36.083271][  T516]  console_flush_one_record (kernel/printk/printk.c:3268)
[   36.083274][  T516]  ? console_emit_next_record (kernel/printk/printk.c:3150)
[   36.083276][  T516]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   36.083281][  T516]  console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420)
[   36.083284][  T516]  ? console_flush_one_record (kernel/printk/printk.c:3316)
[   36.083285][  T516]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   36.083287][  T516]  ? lock_acquire (kernel/locking/lockdep.c:5913)
[   36.083291][  T516]  ? __down_trylock_console_sem (kernel/printk/printk.c:334)
[   36.083293][  T516]  ? vprintk_emit (kernel/printk/printk.c:2478)
[   36.083296][  T516]  vprintk_emit (kernel/printk/printk.c:2479)
[   36.083299][  T516]  ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126))
[   36.083301][  T516]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   36.083303][  T516]  ? save_trace (kernel/locking/lockdep.c:154 (discriminator 6) kernel/locking/lockdep.c:150 (discriminator 6) kernel/locking/lockdep.c:202 (discriminator 6) kernel/locking/lockdep.c:577 (discriminator 6))
[   36.083305][  T516]  ? find_held_lock (kernel/locking/lockdep.c:5360)
[   36.083309][  T516]  _printk (kernel/printk/printk.c:2504)
[   36.083313][  T516]  ? snapshot_read.cold (user.c:?)
[   36.083315][  T516]  ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4116 (discriminator 3) kernel/rcu/tree.c:4108 (discriminator 3))
[   36.083318][  T516]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380)
[   36.083320][  T516]  ? validate_chain (kernel/locking/lockdep.c:3817 (discriminator 2) kernel/locking/lockdep.c:3837 (discriminator 2) kernel/locking/lockdep.c:3892 (discriminator 2))
[   36.083322][  T516]  ? netdev_name (./include/linux/netdevice.h:5709 (discriminator 1))
[   36.083325][  T516]  ? __netdev_printk (net/core/dev.c:13148 (discriminator 2))
[   36.083328][  T516]  ? do_setlink.isra.0 (net/core/rtnetlink.c:3246)
[   36.083330][  T516]  netdev_info (net/core/dev.c:13195 (discriminator 3))
[   36.083333][  T516]  ? netdev_notice (net/core/dev.c:13194)
[   36.083336][  T516]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[   36.083338][  T516]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554)
[   36.083341][  T516]  ? mark_held_locks (kernel/locking/lockdep.c:4341)
[   36.083345][  T516]  ? do_setlink.isra.0 (net/core/rtnetlink.c:3246)
[   36.083347][  T516]  netif_change_name.cold (net/core/dev.c:1507 (discriminator 3))
[   36.083350][  T516]  ? is_bpf_text_address (./include/linux/rcupdate.h:319 (discriminator 2) ./include/linux/rcupdate.h:880 (discriminator 2) kernel/bpf/core.c:751 (discriminator 2))
[   36.083356][  T516]  ? netdev_adjacent_rename_links (net/core/dev.c:9598)
[   36.083359][  T516]  ? __kernel_text_address (kernel/extable.c:79)
[   36.083362][  T516]  ? write_profile (profile.c:?)
[   36.083366][  T516]  ? __asan_memset (mm/kasan/shadow.c:84 (discriminator 1))
[   36.083371][  T516]  do_setlink.isra.0 (net/core/rtnetlink.c:3246)
[   36.083376][  T516]  ? stack_trace_save (kernel/stacktrace.c:122 (discriminator 1))
[   36.083378][  T516]  ? rtnl_link_get_size (net/core/rtnetlink.c:747)
[   36.083379][  T516]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:388 kernel/rcu/update.c:380)
[   36.083381][  T516]  ? stack_depot_save_flags (lib/stackdepot.c:609 (discriminator 2) lib/stackdepot.c:676 (discriminator 2))
[   36.083385][  T516]  ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4116 (discriminator 3) kernel/rcu/tree.c:4108 (discriminator 3))
[   36.083387][  T516]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380)
[   36.083389][  T516]  ? validate_chain (kernel/locking/lockdep.c:3817 (discriminator 2) kernel/locking/lockdep.c:3837 (discriminator 2) kernel/locking/lockdep.c:3892 (discriminator 2))
[   36.083392][  T516]  ? kasan_save_stack (mm/kasan/common.c:58)
[   36.083395][  T516]  ? kasan_save_stack (mm/kasan/common.c:57)
[   36.083397][  T516]  ? kasan_save_track (mm/kasan/common.c:78)
[   36.083400][  T516]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   36.083402][  T516]  ? netlink_update_listeners (net/netlink/af_netlink.c:532)
[   36.083405][  T516]  ? ___sys_sendmsg (net/socket.c:2744 net/socket.c:2763)
[   36.083410][  T516]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2))
[   36.083412][  T516]  ? rtnl_newlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:366 net/core/rtnetlink.c:4214)
[   36.083414][  T516]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   36.083416][  T516]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   36.083418][  T516]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   36.083419][  T516]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   36.083421][  T516]  ? trace_contention_end (./include/trace/events/lock.h:121 (discriminator 22))
[   36.083423][  T516]  ? __mutex_lock (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:3188 kernel/locking/mutex.c:89 kernel/locking/mutex.c:134 kernel/locking/mutex.c:649 kernel/locking/mutex.c:821)
[   36.083427][  T516]  ? __mutex_lock (kernel/locking/mutex.c:656 (discriminator 1) kernel/locking/mutex.c:821 (discriminator 1))
[   36.083429][  T516]  ? rtnl_newlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:366 net/core/rtnetlink.c:4214)
[   36.083432][  T516]  ? ww_mutex_lock (kernel/locking/mutex.c:934)
[   36.083434][  T516]  ? nla_get_range_signed (lib/nlattr.c:270)
[   36.083440][  T516]  ? __rtnl_newlink (net/core/rtnetlink.c:4063)
[   36.083445][  T516]  rtnl_newlink (net/core/rtnetlink.c:4215)
[   36.083451][  T516]  ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558)
[   36.083452][  T516]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   36.083457][  T516]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2))
[   36.083459][  T516]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[   36.083461][  T516]  ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558)
[   36.083463][  T516]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554)
[   36.083467][  T516]  ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558)
[   36.083469][  T516]  rtnetlink_rcv_msg (net/core/rtnetlink.c:7132)
[   36.083472][  T516]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   36.083473][  T516]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   36.083478][  T516]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2))
[   36.083480][  T516]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[   36.083484][  T516]  netlink_rcv_skb (net/netlink/af_netlink.c:2556)
[   36.083485][  T516]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   36.083488][  T516]  ? netlink_ack (./include/linux/skbuff.h:2718)
[   36.083494][  T516]  ? netlink_deliver_tap (./include/linux/rcupdate.h:319 (discriminator 2) ./include/linux/rcupdate.h:880 (discriminator 2) ./include/net/netns/generic.h:48 (discriminator 2) net/netlink/af_netlink.c:334 (discriminator 2))
[   36.083496][  T516]  ? netlink_deliver_tap (./include/linux/rcupdate.h:319 (discriminator 2) ./include/linux/rcupdate.h:880 (discriminator 2) net/netlink/af_netlink.c:341 (discriminator 2))
[   36.083500][  T516]  netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[   36.083503][  T516]  ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[   36.083506][  T516]  ? __lock_acquire (kernel/locking/lockdep.c:5251 (discriminator 3))
[   36.083510][  T516]  netlink_sendmsg (net/netlink/af_netlink.c:1900)
[   36.083514][  T516]  ? netlink_unicast (./include/net/net_namespace.h:422 (discriminator 7))
[   36.083515][  T516]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554)
[   36.083518][  T516]  ? __might_fault (mm/memory.c:7482 (discriminator 5))
[   36.083522][  T516]  ? __might_fault (mm/memory.c:7482 (discriminator 5))
[   36.083526][  T516]  ____sys_sendmsg (net/socket.c:800 (discriminator 4) net/socket.c:815 (discriminator 4) net/socket.c:2713 (discriminator 4))
[   36.083528][  T516]  ? copy_msghdr_from_user (net/socket.c:2650)
[   36.083530][  T516]  ? get_timestamp.constprop.0 (./include/linux/netdevice.h:5399)
[   36.083532][  T516]  ? move_addr_to_kernel (./include/linux/audit.h:354 (discriminator 1))
[   36.083539][  T516]  ___sys_sendmsg (net/socket.c:2767)
[   36.083542][  T516]  ? copy_msghdr_from_user (net/socket.c:2619)
[   36.083558][  T516]  __sys_sendmsg (net/socket.c:2799)
[   36.083562][  T516]  ? __sys_sendmsg_sock (net/socket.c:2780)
[   36.083568][  T516]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   36.083571][  T516]  do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84)
[   36.083574][  T516]  ? exc_page_fault (arch/x86/mm/fault.c:1489 (discriminator 3) arch/x86/mm/fault.c:1536 (discriminator 3))
[   36.083577][  T516]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[   36.083579][  T516] RIP: 0033:0x7fda2d7ae54e
[   36.083583][  T516] Code: 4d 89 d8 e8 b4 bd 00 00 4c 8b 5d f8 41 8b 93 08 03 00 00 59 5e 48 83 f8 fc 74 11 c9 c3 0f 1f 80 00 00 00 00 48 8b 45 10 0f 05 <c9> c3 83 e2 39 83 fa 08 75 e7 e8 03 ff ff ff 0f 1f 00 f3 0f 1e fa
All code
========
   0:	4d 89 d8             	mov    %r11,%r8
   3:	e8 b4 bd 00 00       	call   0xbdbc
   8:	4c 8b 5d f8          	mov    -0x8(%rbp),%r11
   c:	41 8b 93 08 03 00 00 	mov    0x308(%r11),%edx
  13:	59                   	pop    %rcx
  14:	5e                   	pop    %rsi
  15:	48 83 f8 fc          	cmp    $0xfffffffffffffffc,%rax
  19:	74 11                	je     0x2c
  1b:	c9                   	leave
  1c:	c3                   	ret
  1d:	0f 1f 80 00 00 00 00 	nopl   0x0(%rax)
  24:	48 8b 45 10          	mov    0x10(%rbp),%rax
  28:	0f 05                	syscall
  2a:*	c9                   	leave		<-- trapping instruction
  2b:	c3                   	ret
  2c:	83 e2 39             	and    $0x39,%edx
  2f:	83 fa 08             	cmp    $0x8,%edx
  32:	75 e7                	jne    0x1b
  34:	e8 03 ff ff ff       	call   0xffffffffffffff3c
  39:	0f 1f 00             	nopl   (%rax)
  3c:	f3 0f 1e fa          	endbr64

Code starting with the faulting instruction
===========================================
   0:	c9                   	leave
   1:	c3                   	ret
   2:	83 e2 39             	and    $0x39,%edx
   5:	83 fa 08             	cmp    $0x8,%edx
   8:	75 e7                	jne    0xfffffffffffffff1
   a:	e8 03 ff ff ff       	call   0xffffffffffffff12
   f:	0f 1f 00             	nopl   (%rax)
  12:	f3 0f 1e fa          	endbr64
[   36.083585][  T516] RSP: 002b:00007ffc9b699280 EFLAGS: 00000202 ORIG_RAX: 000000000000002e
[   36.083588][  T516] RAX: ffffffffffffffda RBX: 0000000000000003 RCX: 00007fda2d7ae54e
[   36.083589][  T516] RDX: 0000000000000000 RSI: 00007ffc9b699330 RDI: 0000000000000005
[   36.083590][  T516] RBP: 00007ffc9b699290 R08: 0000000000000000 R09: 0000000000000000
[   36.083591][  T516] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a916193
[   36.083592][  T516] R13: 00000000004a1620 R14: 0000000000000000 R15: 00007ffc9b699a00
| [   37.139012][  T528] softirqs last disabled at (17480): netif_change_name (./include/linux/spinlock.h:353 ./include/linux/seqlock.h:908 net/core/dev.c:1499)
| [   37.139015][  T528] Preemption disabled at:
| [   37.139015][  T528] vprintk_emit (kernel/printk/printk.c:2471)
| [   37.139024][  T528] Tainted: [W]=WARN
[   37.139025][  T528] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   37.139027][  T528] Call Trace:
[   37.139028][  T528]  <TASK>
[   37.139030][  T528]  dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120)
[   37.139035][  T528]  ? vprintk_emit (kernel/printk/printk.c:2471)
[   37.139037][  T528]  __might_resched.cold (kernel/sched/core.c:9234)
[   37.139042][  T528]  ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3))
[   37.139045][  T528]  ? __kmalloc_noprof (./include/linux/sched/mm.h:317 mm/slub.c:4636 mm/slub.c:4974 mm/slub.c:5413 mm/slub.c:5439)
[   37.139050][  T528]  __kmalloc_noprof (./include/linux/sched/mm.h:322 (discriminator 2) mm/slub.c:4636 (discriminator 2) mm/slub.c:4974 (discriminator 2) mm/slub.c:5413 (discriminator 2) mm/slub.c:5439 (discriminator 2))
[   37.139053][  T528]  ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[   37.139059][  T528]  ? do_raw_spin_unlock (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:32 ./include/asm-generic/qspinlock.h:58 kernel/locking/spinlock_debug.c:101 kernel/locking/spinlock_debug.c:141)
[   37.139062][  T528]  alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[   37.139066][  T528]  put_chars (drivers/char/virtio_console.c:1176)
[   37.139068][  T528]  ? __send_to_port (drivers/char/virtio_console.c:654)
[   37.139072][  T528]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380)
[   37.139076][  T528]  ? validate_chain (kernel/locking/lockdep.c:3817 (discriminator 2) kernel/locking/lockdep.c:3837 (discriminator 2) kernel/locking/lockdep.c:3892 (discriminator 2))
[   37.139080][  T528]  hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2))
[   37.139083][  T528]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   37.139085][  T528]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   37.139090][  T528]  ? hvc_write (drivers/tty/hvc/hvc_console.c:501)
[   37.139094][  T528]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   37.139097][  T528]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   37.139101][  T528]  console_emit_next_record (kernel/printk/printk.c:3183)
[   37.139105][  T528]  ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20)
[   37.139106][  T528]  ? console_flush_one_record (./include/linux/rcupdate.h:314 (discriminator 2) ./include/linux/srcu.h:439 (discriminator 2) kernel/printk/printk.c:291 (discriminator 2) kernel/printk/printk.c:3246 (discriminator 2))
[   37.139108][  T528]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   37.139110][  T528]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   37.139114][  T528]  console_flush_one_record (kernel/printk/printk.c:3268)
[   37.139118][  T528]  ? console_emit_next_record (kernel/printk/printk.c:3150)
[   37.139119][  T528]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   37.139124][  T528]  console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420)
[   37.139127][  T528]  ? console_flush_one_record (kernel/printk/printk.c:3316)
[   37.139128][  T528]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   37.139130][  T528]  ? lock_acquire (kernel/locking/lockdep.c:5913)
[   37.139134][  T528]  ? __down_trylock_console_sem (kernel/printk/printk.c:334)
[   37.139135][  T528]  ? vprintk_emit (kernel/printk/printk.c:2478)
[   37.139142][  T528]  vprintk_emit (kernel/printk/printk.c:2479)
[   37.139145][  T528]  ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126))
[   37.139147][  T528]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   37.139149][  T528]  ? save_trace (kernel/locking/lockdep.c:154 (discriminator 6) kernel/locking/lockdep.c:150 (discriminator 6) kernel/locking/lockdep.c:202 (discriminator 6) kernel/locking/lockdep.c:577 (discriminator 6))
[   37.139151][  T528]  ? find_held_lock (kernel/locking/lockdep.c:5360)
[   37.139155][  T528]  _printk (kernel/printk/printk.c:2504)
[   37.139159][  T528]  ? snapshot_read.cold (user.c:?)
[   37.139160][  T528]  ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4116 (discriminator 3) kernel/rcu/tree.c:4108 (discriminator 3))
[   37.139163][  T528]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380)
[   37.139165][  T528]  ? validate_chain (kernel/locking/lockdep.c:3817 (discriminator 2) kernel/locking/lockdep.c:3837 (discriminator 2) kernel/locking/lockdep.c:3892 (discriminator 2))
[   37.139167][  T528]  ? netdev_name (./include/linux/netdevice.h:5709 (discriminator 1))
[   37.139171][  T528]  ? __netdev_printk (net/core/dev.c:13148 (discriminator 2))
[   37.139173][  T528]  ? do_setlink.isra.0 (net/core/rtnetlink.c:3246)
[   37.139175][  T528]  netdev_info (net/core/dev.c:13195 (discriminator 3))
[   37.139178][  T528]  ? netdev_notice (net/core/dev.c:13194)
[   37.139181][  T528]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[   37.139183][  T528]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554)
[   37.139186][  T528]  ? mark_held_locks (kernel/locking/lockdep.c:4341)
[   37.139190][  T528]  ? do_setlink.isra.0 (net/core/rtnetlink.c:3246)
[   37.139192][  T528]  netif_change_name.cold (net/core/dev.c:1507 (discriminator 3))
[   37.139195][  T528]  ? is_bpf_text_address (./include/linux/rcupdate.h:319 (discriminator 2) ./include/linux/rcupdate.h:880 (discriminator 2) kernel/bpf/core.c:751 (discriminator 2))
[   37.139201][  T528]  ? netdev_adjacent_rename_links (net/core/dev.c:9598)
[   37.139203][  T528]  ? __kernel_text_address (kernel/extable.c:79)
[   37.139206][  T528]  ? write_profile (profile.c:?)
[   37.139210][  T528]  ? __asan_memset (mm/kasan/shadow.c:84 (discriminator 1))
[   37.139215][  T528]  do_setlink.isra.0 (net/core/rtnetlink.c:3246)
[   37.139219][  T528]  ? stack_trace_save (kernel/stacktrace.c:122 (discriminator 1))
[   37.139221][  T528]  ? rtnl_link_get_size (net/core/rtnetlink.c:747)
[   37.139223][  T528]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:388 kernel/rcu/update.c:380)
[   37.139225][  T528]  ? stack_depot_save_flags (lib/stackdepot.c:609 (discriminator 2) lib/stackdepot.c:676 (discriminator 2))
[   37.139228][  T528]  ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4116 (discriminator 3) kernel/rcu/tree.c:4108 (discriminator 3))
[   37.139230][  T528]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380)
[   37.139232][  T528]  ? validate_chain (kernel/locking/lockdep.c:3817 (discriminator 2) kernel/locking/lockdep.c:3837 (discriminator 2) kernel/locking/lockdep.c:3892 (discriminator 2))
[   37.139235][  T528]  ? kasan_save_stack (mm/kasan/common.c:58)
[   37.139238][  T528]  ? kasan_save_stack (mm/kasan/common.c:57)
[   37.139239][  T528]  ? kasan_save_track (mm/kasan/common.c:78)
[   37.139242][  T528]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   37.139244][  T528]  ? netlink_update_listeners (net/netlink/af_netlink.c:532)
[   37.139247][  T528]  ? ___sys_sendmsg (net/socket.c:2744 net/socket.c:2763)
[   37.139252][  T528]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2))
[   37.139254][  T528]  ? rtnl_newlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:366 net/core/rtnetlink.c:4214)
[   37.139256][  T528]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   37.139258][  T528]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   37.139260][  T528]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   37.139261][  T528]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   37.139263][  T528]  ? trace_contention_end (./include/trace/events/lock.h:121 (discriminator 22))
[   37.139265][  T528]  ? __mutex_lock (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:3188 kernel/locking/mutex.c:89 kernel/locking/mutex.c:134 kernel/locking/mutex.c:649 kernel/locking/mutex.c:821)
[   37.139268][  T528]  ? __mutex_lock (kernel/locking/mutex.c:656 (discriminator 1) kernel/locking/mutex.c:821 (discriminator 1))
[   37.139271][  T528]  ? rtnl_newlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:366 net/core/rtnetlink.c:4214)
[   37.139274][  T528]  ? ww_mutex_lock (kernel/locking/mutex.c:934)
[   37.139276][  T528]  ? nla_get_range_signed (lib/nlattr.c:270)
[   37.139281][  T528]  ? __rtnl_newlink (net/core/rtnetlink.c:4063)
[   37.139286][  T528]  rtnl_newlink (net/core/rtnetlink.c:4215)
[   37.139292][  T528]  ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558)
[   37.139293][  T528]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   37.139298][  T528]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2))
[   37.139300][  T528]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[   37.139302][  T528]  ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558)
[   37.139304][  T528]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554)
[   37.139307][  T528]  ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558)
[   37.139310][  T528]  rtnetlink_rcv_msg (net/core/rtnetlink.c:7132)
[   37.139313][  T528]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   37.139314][  T528]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   37.139319][  T528]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2))
[   37.139320][  T528]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[   37.139324][  T528]  netlink_rcv_skb (net/netlink/af_netlink.c:2556)
[   37.139326][  T528]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   37.139328][  T528]  ? netlink_ack (./include/linux/skbuff.h:2718)
[   37.139335][  T528]  ? netlink_deliver_tap (./include/linux/rcupdate.h:319 (discriminator 2) ./include/linux/rcupdate.h:880 (discriminator 2) ./include/net/netns/generic.h:48 (discriminator 2) net/netlink/af_netlink.c:334 (discriminator 2))
[   37.139336][  T528]  ? netlink_deliver_tap (./include/linux/rcupdate.h:319 (discriminator 2) ./include/linux/rcupdate.h:880 (discriminator 2) net/netlink/af_netlink.c:341 (discriminator 2))
[   37.139340][  T528]  netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[   37.139344][  T528]  ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[   37.139346][  T528]  ? __lock_acquire (kernel/locking/lockdep.c:5251 (discriminator 3))
[   37.139351][  T528]  netlink_sendmsg (net/netlink/af_netlink.c:1900)
[   37.139354][  T528]  ? netlink_unicast (./include/net/net_namespace.h:422 (discriminator 7))
[   37.139356][  T528]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554)
[   37.139359][  T528]  ? __might_fault (mm/memory.c:7482 (discriminator 5))
[   37.139362][  T528]  ? __might_fault (mm/memory.c:7482 (discriminator 5))
[   37.139366][  T528]  ____sys_sendmsg (net/socket.c:800 (discriminator 4) net/socket.c:815 (discriminator 4) net/socket.c:2713 (discriminator 4))
[   37.139369][  T528]  ? copy_msghdr_from_user (net/socket.c:2650)
[   37.139371][  T528]  ? get_timestamp.constprop.0 (./include/linux/netdevice.h:5399)
[   37.139372][  T528]  ? move_addr_to_kernel (./include/linux/audit.h:354 (discriminator 1))
[   37.139380][  T528]  ___sys_sendmsg (net/socket.c:2767)
[   37.139382][  T528]  ? copy_msghdr_from_user (net/socket.c:2619)
[   37.139399][  T528]  __sys_sendmsg (net/socket.c:2799)
[   37.139402][  T528]  ? __sys_sendmsg_sock (net/socket.c:2780)
[   37.139408][  T528]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   37.139412][  T528]  do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84)
[   37.139414][  T528]  ? exc_page_fault (arch/x86/mm/fault.c:1489 (discriminator 3) arch/x86/mm/fault.c:1536 (discriminator 3))
[   37.139417][  T528]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[   37.139420][  T528] RIP: 0033:0x7f010404b54e
[   37.139423][  T528] Code: 4d 89 d8 e8 b4 bd 00 00 4c 8b 5d f8 41 8b 93 08 03 00 00 59 5e 48 83 f8 fc 74 11 c9 c3 0f 1f 80 00 00 00 00 48 8b 45 10 0f 05 <c9> c3 83 e2 39 83 fa 08 75 e7 e8 03 ff ff ff 0f 1f 00 f3 0f 1e fa
All code
========
   0:	4d 89 d8             	mov    %r11,%r8
   3:	e8 b4 bd 00 00       	call   0xbdbc
   8:	4c 8b 5d f8          	mov    -0x8(%rbp),%r11
   c:	41 8b 93 08 03 00 00 	mov    0x308(%r11),%edx
  13:	59                   	pop    %rcx
  14:	5e                   	pop    %rsi
  15:	48 83 f8 fc          	cmp    $0xfffffffffffffffc,%rax
  19:	74 11                	je     0x2c
  1b:	c9                   	leave
  1c:	c3                   	ret
  1d:	0f 1f 80 00 00 00 00 	nopl   0x0(%rax)
  24:	48 8b 45 10          	mov    0x10(%rbp),%rax
  28:	0f 05                	syscall
  2a:*	c9                   	leave		<-- trapping instruction
  2b:	c3                   	ret
  2c:	83 e2 39             	and    $0x39,%edx
  2f:	83 fa 08             	cmp    $0x8,%edx
  32:	75 e7                	jne    0x1b
  34:	e8 03 ff ff ff       	call   0xffffffffffffff3c
  39:	0f 1f 00             	nopl   (%rax)
  3c:	f3 0f 1e fa          	endbr64

Code starting with the faulting instruction
===========================================
   0:	c9                   	leave
   1:	c3                   	ret
   2:	83 e2 39             	and    $0x39,%edx
   5:	83 fa 08             	cmp    $0x8,%edx
   8:	75 e7                	jne    0xfffffffffffffff1
   a:	e8 03 ff ff ff       	call   0xffffffffffffff12
   f:	0f 1f 00             	nopl   (%rax)
  12:	f3 0f 1e fa          	endbr64
[   37.139425][  T528] RSP: 002b:00007fff9be05a70 EFLAGS: 00000202 ORIG_RAX: 000000000000002e
[   37.139428][  T528] RAX: ffffffffffffffda RBX: 0000000000000003 RCX: 00007f010404b54e
[   37.139429][  T528] RDX: 0000000000000000 RSI: 00007fff9be05b20 RDI: 0000000000000005
[   37.139430][  T528] RBP: 00007fff9be05a80 R08: 0000000000000000 R09: 0000000000000000
[   37.139431][  T528] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a916194
[   37.139432][  T528] R13: 00000000004a1620 R14: 0000000000000000 R15: 00007fff9be061f0
| [   38.150107][  T537] softirqs last disabled at (21994): netif_change_name (./include/linux/spinlock.h:353 ./include/linux/seqlock.h:908 net/core/dev.c:1499)
| [   38.150110][  T537] Preemption disabled at:
| [   38.150110][  T537] vprintk_emit (kernel/printk/printk.c:2471)
| [   38.150119][  T537] Tainted: [W]=WARN
[   38.150120][  T537] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   38.150122][  T537] Call Trace:
[   38.150123][  T537]  <TASK>
[   38.150125][  T537]  dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120)
[   38.150130][  T537]  ? vprintk_emit (kernel/printk/printk.c:2471)
[   38.150132][  T537]  __might_resched.cold (kernel/sched/core.c:9234)
[   38.150136][  T537]  ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3))
[   38.150141][  T537]  ? __kmalloc_noprof (./include/linux/sched/mm.h:317 mm/slub.c:4636 mm/slub.c:4974 mm/slub.c:5413 mm/slub.c:5439)
[   38.150147][  T537]  __kmalloc_noprof (./include/linux/sched/mm.h:322 (discriminator 2) mm/slub.c:4636 (discriminator 2) mm/slub.c:4974 (discriminator 2) mm/slub.c:5413 (discriminator 2) mm/slub.c:5439 (discriminator 2))
[   38.150149][  T537]  ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[   38.150155][  T537]  ? do_raw_spin_unlock (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:32 ./include/asm-generic/qspinlock.h:58 kernel/locking/spinlock_debug.c:101 kernel/locking/spinlock_debug.c:141)
[   38.150158][  T537]  alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[   38.150162][  T537]  put_chars (drivers/char/virtio_console.c:1176)
[   38.150165][  T537]  ? __send_to_port (drivers/char/virtio_console.c:654)
[   38.150168][  T537]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380)
[   38.150172][  T537]  ? validate_chain (kernel/locking/lockdep.c:3817 (discriminator 2) kernel/locking/lockdep.c:3837 (discriminator 2) kernel/locking/lockdep.c:3892 (discriminator 2))
[   38.150176][  T537]  hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2))
[   38.150180][  T537]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   38.150182][  T537]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   38.150186][  T537]  ? hvc_write (drivers/tty/hvc/hvc_console.c:501)
[   38.150190][  T537]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   38.150192][  T537]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   38.150197][  T537]  console_emit_next_record (kernel/printk/printk.c:3183)
[   38.150200][  T537]  ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20)
[   38.150201][  T537]  ? console_flush_one_record (./include/linux/rcupdate.h:314 (discriminator 2) ./include/linux/srcu.h:439 (discriminator 2) kernel/printk/printk.c:291 (discriminator 2) kernel/printk/printk.c:3246 (discriminator 2))
[   38.150204][  T537]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   38.150206][  T537]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   38.150210][  T537]  console_flush_one_record (kernel/printk/printk.c:3268)
[   38.150214][  T537]  ? console_emit_next_record (kernel/printk/printk.c:3150)
[   38.150215][  T537]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   38.150220][  T537]  console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420)
[   38.150223][  T537]  ? console_flush_one_record (kernel/printk/printk.c:3316)
[   38.150224][  T537]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   38.150226][  T537]  ? lock_acquire (kernel/locking/lockdep.c:5913)
[   38.150230][  T537]  ? __down_trylock_console_sem (kernel/printk/printk.c:334)
[   38.150232][  T537]  ? vprintk_emit (kernel/printk/printk.c:2478)
[   38.150235][  T537]  vprintk_emit (kernel/printk/printk.c:2479)
[   38.150238][  T537]  ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126))
[   38.150240][  T537]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   38.150242][  T537]  ? save_trace (kernel/locking/lockdep.c:154 (discriminator 6) kernel/locking/lockdep.c:150 (discriminator 6) kernel/locking/lockdep.c:202 (discriminator 6) kernel/locking/lockdep.c:577 (discriminator 6))
[   38.150244][  T537]  ? find_held_lock (kernel/locking/lockdep.c:5360)
[   38.150248][  T537]  _printk (kernel/printk/printk.c:2504)
[   38.150251][  T537]  ? snapshot_read.cold (user.c:?)
[   38.150253][  T537]  ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4116 (discriminator 3) kernel/rcu/tree.c:4108 (discriminator 3))
[   38.150256][  T537]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380)
[   38.150258][  T537]  ? validate_chain (kernel/locking/lockdep.c:3817 (discriminator 2) kernel/locking/lockdep.c:3837 (discriminator 2) kernel/locking/lockdep.c:3892 (discriminator 2))
[   38.150260][  T537]  ? netdev_name (./include/linux/netdevice.h:5709 (discriminator 1))
[   38.150263][  T537]  ? __netdev_printk (net/core/dev.c:13148 (discriminator 2))
[   38.150266][  T537]  ? do_setlink.isra.0 (net/core/rtnetlink.c:3246)
[   38.150268][  T537]  netdev_info (net/core/dev.c:13195 (discriminator 3))
[   38.150271][  T537]  ? netdev_notice (net/core/dev.c:13194)
[   38.150273][  T537]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[   38.150276][  T537]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554)
[   38.150279][  T537]  ? mark_held_locks (kernel/locking/lockdep.c:4341)
[   38.150282][  T537]  ? do_setlink.isra.0 (net/core/rtnetlink.c:3246)
[   38.150284][  T537]  netif_change_name.cold (net/core/dev.c:1507 (discriminator 3))
[   38.150288][  T537]  ? is_bpf_text_address (./include/linux/rcupdate.h:319 (discriminator 2) ./include/linux/rcupdate.h:880 (discriminator 2) kernel/bpf/core.c:751 (discriminator 2))
[   38.150294][  T537]  ? netdev_adjacent_rename_links (net/core/dev.c:9598)
[   38.150296][  T537]  ? __kernel_text_address (kernel/extable.c:79)
[   38.150299][  T537]  ? write_profile (profile.c:?)
[   38.150303][  T537]  ? __asan_memset (mm/kasan/shadow.c:84 (discriminator 1))
[   38.150308][  T537]  do_setlink.isra.0 (net/core/rtnetlink.c:3246)
[   38.150313][  T537]  ? stack_trace_save (kernel/stacktrace.c:122 (discriminator 1))
[   38.150315][  T537]  ? rtnl_link_get_size (net/core/rtnetlink.c:747)
[   38.150316][  T537]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:388 kernel/rcu/update.c:380)
[   38.150318][  T537]  ? stack_depot_save_flags (lib/stackdepot.c:609 (discriminator 2) lib/stackdepot.c:676 (discriminator 2))
[   38.150322][  T537]  ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4116 (discriminator 3) kernel/rcu/tree.c:4108 (discriminator 3))
[   38.150324][  T537]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380)
[   38.150326][  T537]  ? validate_chain (kernel/locking/lockdep.c:3817 (discriminator 2) kernel/locking/lockdep.c:3837 (discriminator 2) kernel/locking/lockdep.c:3892 (discriminator 2))
[   38.150329][  T537]  ? kasan_save_stack (mm/kasan/common.c:58)
[   38.150332][  T537]  ? kasan_save_stack (mm/kasan/common.c:57)
[   38.150333][  T537]  ? kasan_save_track (mm/kasan/common.c:78)
[   38.150336][  T537]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   38.150338][  T537]  ? netlink_update_listeners (net/netlink/af_netlink.c:532)
[   38.150341][  T537]  ? ___sys_sendmsg (net/socket.c:2744 net/socket.c:2763)
[   38.150346][  T537]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2))
[   38.150348][  T537]  ? rtnl_newlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:366 net/core/rtnetlink.c:4214)
[   38.150351][  T537]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   38.150353][  T537]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   38.150355][  T537]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   38.150356][  T537]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   38.150358][  T537]  ? trace_contention_end (./include/trace/events/lock.h:121 (discriminator 22))
[   38.150360][  T537]  ? __mutex_lock (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:3188 kernel/locking/mutex.c:89 kernel/locking/mutex.c:134 kernel/locking/mutex.c:649 kernel/locking/mutex.c:821)
[   38.150364][  T537]  ? __mutex_lock (kernel/locking/mutex.c:656 (discriminator 1) kernel/locking/mutex.c:821 (discriminator 1))
[   38.150366][  T537]  ? rtnl_newlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:366 net/core/rtnetlink.c:4214)
[   38.150370][  T537]  ? ww_mutex_lock (kernel/locking/mutex.c:934)
[   38.150372][  T537]  ? nla_get_range_signed (lib/nlattr.c:270)
[   38.150377][  T537]  ? __rtnl_newlink (net/core/rtnetlink.c:4063)
[   38.150383][  T537]  rtnl_newlink (net/core/rtnetlink.c:4215)
[   38.150388][  T537]  ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558)
[   38.150390][  T537]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   38.150395][  T537]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2))
[   38.150397][  T537]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[   38.150399][  T537]  ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558)
[   38.150401][  T537]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554)
[   38.150405][  T537]  ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558)
[   38.150407][  T537]  rtnetlink_rcv_msg (net/core/rtnetlink.c:7132)
[   38.150410][  T537]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   38.150412][  T537]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   38.150416][  T537]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2))
[   38.150418][  T537]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[   38.150422][  T537]  netlink_rcv_skb (net/netlink/af_netlink.c:2556)
[   38.150424][  T537]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   38.150427][  T537]  ? netlink_ack (./include/linux/skbuff.h:2718)
[   38.150433][  T537]  ? netlink_deliver_tap (./include/linux/rcupdate.h:319 (discriminator 2) ./include/linux/rcupdate.h:880 (discriminator 2) ./include/net/netns/generic.h:48 (discriminator 2) net/netlink/af_netlink.c:334 (discriminator 2))
[   38.150434][  T537]  ? netlink_deliver_tap (./include/linux/rcupdate.h:319 (discriminator 2) ./include/linux/rcupdate.h:880 (discriminator 2) net/netlink/af_netlink.c:341 (discriminator 2))
[   38.150438][  T537]  netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[   38.150442][  T537]  ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[   38.150445][  T537]  ? __lock_acquire (kernel/locking/lockdep.c:5251 (discriminator 3))
[   38.150449][  T537]  netlink_sendmsg (net/netlink/af_netlink.c:1900)
[   38.150453][  T537]  ? netlink_unicast (./include/net/net_namespace.h:422 (discriminator 7))
[   38.150454][  T537]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554)
[   38.150457][  T537]  ? __might_fault (mm/memory.c:7482 (discriminator 5))
[   38.150461][  T537]  ? __might_fault (mm/memory.c:7482 (discriminator 5))
[   38.150465][  T537]  ____sys_sendmsg (net/socket.c:800 (discriminator 4) net/socket.c:815 (discriminator 4) net/socket.c:2713 (discriminator 4))
[   38.150468][  T537]  ? copy_msghdr_from_user (net/socket.c:2650)
[   38.150470][  T537]  ? get_timestamp.constprop.0 (./include/linux/netdevice.h:5399)
[   38.150471][  T537]  ? move_addr_to_kernel (./include/linux/audit.h:354 (discriminator 1))
[   38.150479][  T537]  ___sys_sendmsg (net/socket.c:2767)
[   38.150482][  T537]  ? copy_msghdr_from_user (net/socket.c:2619)
[   38.150498][  T537]  __sys_sendmsg (net/socket.c:2799)
[   38.150501][  T537]  ? __sys_sendmsg_sock (net/socket.c:2780)
[   38.150507][  T537]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   38.150511][  T537]  do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84)
[   38.150513][  T537]  ? exc_page_fault (arch/x86/mm/fault.c:1489 (discriminator 3) arch/x86/mm/fault.c:1536 (discriminator 3))
[   38.150517][  T537]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[   38.150519][  T537] RIP: 0033:0x7f6ac4cfb54e
[   38.150523][  T537] Code: 4d 89 d8 e8 b4 bd 00 00 4c 8b 5d f8 41 8b 93 08 03 00 00 59 5e 48 83 f8 fc 74 11 c9 c3 0f 1f 80 00 00 00 00 48 8b 45 10 0f 05 <c9> c3 83 e2 39 83 fa 08 75 e7 e8 03 ff ff ff 0f 1f 00 f3 0f 1e fa
All code
========
   0:	4d 89 d8             	mov    %r11,%r8
   3:	e8 b4 bd 00 00       	call   0xbdbc
   8:	4c 8b 5d f8          	mov    -0x8(%rbp),%r11
   c:	41 8b 93 08 03 00 00 	mov    0x308(%r11),%edx
  13:	59                   	pop    %rcx
  14:	5e                   	pop    %rsi
  15:	48 83 f8 fc          	cmp    $0xfffffffffffffffc,%rax
  19:	74 11                	je     0x2c
  1b:	c9                   	leave
  1c:	c3                   	ret
  1d:	0f 1f 80 00 00 00 00 	nopl   0x0(%rax)
  24:	48 8b 45 10          	mov    0x10(%rbp),%rax
  28:	0f 05                	syscall
  2a:*	c9                   	leave		<-- trapping instruction
  2b:	c3                   	ret
  2c:	83 e2 39             	and    $0x39,%edx
  2f:	83 fa 08             	cmp    $0x8,%edx
  32:	75 e7                	jne    0x1b
  34:	e8 03 ff ff ff       	call   0xffffffffffffff3c
  39:	0f 1f 00             	nopl   (%rax)
  3c:	f3 0f 1e fa          	endbr64

Code starting with the faulting instruction
===========================================
   0:	c9                   	leave
   1:	c3                   	ret
   2:	83 e2 39             	and    $0x39,%edx
   5:	83 fa 08             	cmp    $0x8,%edx
   8:	75 e7                	jne    0xfffffffffffffff1
   a:	e8 03 ff ff ff       	call   0xffffffffffffff12
   f:	0f 1f 00             	nopl   (%rax)
  12:	f3 0f 1e fa          	endbr64
[   38.150525][  T537] RSP: 002b:00007fff05a5ef80 EFLAGS: 00000202 ORIG_RAX: 000000000000002e
[   38.150527][  T537] RAX: ffffffffffffffda RBX: 0000000000000003 RCX: 00007f6ac4cfb54e
[   38.150529][  T537] RDX: 0000000000000000 RSI: 00007fff05a5f030 RDI: 0000000000000005
[   38.150530][  T537] RBP: 00007fff05a5ef90 R08: 0000000000000000 R09: 0000000000000000
[   38.150530][  T537] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a916195
[   38.150531][  T537] R13: 00000000004a1620 R14: 0000000000000000 R15: 00007fff05a5f700
| [   39.277601][  T547] softirqs last disabled at (32918): netif_change_name (./include/linux/spinlock.h:353 ./include/linux/seqlock.h:908 net/core/dev.c:1499)
| [   39.277603][  T547] Preemption disabled at:
| [   39.277604][  T547] vprintk_emit (kernel/printk/printk.c:2471)
| [   39.277613][  T547] Tainted: [W]=WARN
[   39.277614][  T547] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   39.277616][  T547] Call Trace:
[   39.277617][  T547]  <TASK>
[   39.277619][  T547]  dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120)
[   39.277624][  T547]  ? vprintk_emit (kernel/printk/printk.c:2471)
[   39.277626][  T547]  __might_resched.cold (kernel/sched/core.c:9234)
[   39.277630][  T547]  ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3))
[   39.277633][  T547]  ? __kmalloc_noprof (./include/linux/sched/mm.h:317 mm/slub.c:4636 mm/slub.c:4974 mm/slub.c:5413 mm/slub.c:5439)
[   39.277639][  T547]  __kmalloc_noprof (./include/linux/sched/mm.h:322 (discriminator 2) mm/slub.c:4636 (discriminator 2) mm/slub.c:4974 (discriminator 2) mm/slub.c:5413 (discriminator 2) mm/slub.c:5439 (discriminator 2))
[   39.277641][  T547]  ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[   39.277648][  T547]  ? do_raw_spin_unlock (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:32 ./include/asm-generic/qspinlock.h:58 kernel/locking/spinlock_debug.c:101 kernel/locking/spinlock_debug.c:141)
[   39.277651][  T547]  alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[   39.277654][  T547]  put_chars (drivers/char/virtio_console.c:1176)
[   39.277657][  T547]  ? __send_to_port (drivers/char/virtio_console.c:654)
[   39.277661][  T547]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380)
[   39.277665][  T547]  ? validate_chain (kernel/locking/lockdep.c:3817 (discriminator 2) kernel/locking/lockdep.c:3837 (discriminator 2) kernel/locking/lockdep.c:3892 (discriminator 2))
[   39.277669][  T547]  hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2))
[   39.277673][  T547]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   39.277675][  T547]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   39.277680][  T547]  ? hvc_write (drivers/tty/hvc/hvc_console.c:501)
[   39.277683][  T547]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   39.277686][  T547]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   39.277690][  T547]  console_emit_next_record (kernel/printk/printk.c:3183)
[   39.277694][  T547]  ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20)
[   39.277695][  T547]  ? console_flush_one_record (./include/linux/rcupdate.h:314 (discriminator 2) ./include/linux/srcu.h:439 (discriminator 2) kernel/printk/printk.c:291 (discriminator 2) kernel/printk/printk.c:3246 (discriminator 2))
[   39.277698][  T547]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   39.277699][  T547]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   39.277704][  T547]  console_flush_one_record (kernel/printk/printk.c:3268)
[   39.277707][  T547]  ? console_emit_next_record (kernel/printk/printk.c:3150)
[   39.277709][  T547]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   39.277714][  T547]  console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420)
[   39.277717][  T547]  ? console_flush_one_record (kernel/printk/printk.c:3316)
[   39.277718][  T547]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   39.277720][  T547]  ? lock_acquire (kernel/locking/lockdep.c:5913)
[   39.277724][  T547]  ? __down_trylock_console_sem (kernel/printk/printk.c:334)
[   39.277726][  T547]  ? vprintk_emit (kernel/printk/printk.c:2478)
[   39.277729][  T547]  vprintk_emit (kernel/printk/printk.c:2479)
[   39.277732][  T547]  ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126))
[   39.277734][  T547]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   39.277736][  T547]  ? save_trace (kernel/locking/lockdep.c:154 (discriminator 6) kernel/locking/lockdep.c:150 (discriminator 6) kernel/locking/lockdep.c:202 (discriminator 6) kernel/locking/lockdep.c:577 (discriminator 6))
[   39.277738][  T547]  ? find_held_lock (kernel/locking/lockdep.c:5360)
[   39.277742][  T547]  _printk (kernel/printk/printk.c:2504)
[   39.277746][  T547]  ? snapshot_read.cold (user.c:?)
[   39.277748][  T547]  ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4116 (discriminator 3) kernel/rcu/tree.c:4108 (discriminator 3))
[   39.277751][  T547]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380)
[   39.277753][  T547]  ? validate_chain (kernel/locking/lockdep.c:3817 (discriminator 2) kernel/locking/lockdep.c:3837 (discriminator 2) kernel/locking/lockdep.c:3892 (discriminator 2))
[   39.277760][  T547]  ? netdev_name (./include/linux/netdevice.h:5709 (discriminator 1))
[   39.277763][  T547]  ? __netdev_printk (net/core/dev.c:13148 (discriminator 2))
[   39.277766][  T547]  ? do_setlink.isra.0 (net/core/rtnetlink.c:3246)
[   39.277768][  T547]  netdev_info (net/core/dev.c:13195 (discriminator 3))
[   39.277771][  T547]  ? netdev_notice (net/core/dev.c:13194)
[   39.277773][  T547]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[   39.277776][  T547]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554)
[   39.277779][  T547]  ? mark_held_locks (kernel/locking/lockdep.c:4341)
[   39.277783][  T547]  ? do_setlink.isra.0 (net/core/rtnetlink.c:3246)
[   39.277785][  T547]  netif_change_name.cold (net/core/dev.c:1507 (discriminator 3))
[   39.277788][  T547]  ? is_bpf_text_address (./include/linux/rcupdate.h:319 (discriminator 2) ./include/linux/rcupdate.h:880 (discriminator 2) kernel/bpf/core.c:751 (discriminator 2))
[   39.277794][  T547]  ? netdev_adjacent_rename_links (net/core/dev.c:9598)
[   39.277797][  T547]  ? __kernel_text_address (kernel/extable.c:79)
[   39.277800][  T547]  ? write_profile (profile.c:?)
[   39.277804][  T547]  ? __asan_memset (mm/kasan/shadow.c:84 (discriminator 1))
[   39.277809][  T547]  do_setlink.isra.0 (net/core/rtnetlink.c:3246)
[   39.277814][  T547]  ? stack_trace_save (kernel/stacktrace.c:122 (discriminator 1))
[   39.277816][  T547]  ? rtnl_link_get_size (net/core/rtnetlink.c:747)
[   39.277817][  T547]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:388 kernel/rcu/update.c:380)
[   39.277819][  T547]  ? stack_depot_save_flags (lib/stackdepot.c:609 (discriminator 2) lib/stackdepot.c:676 (discriminator 2))
[   39.277823][  T547]  ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4116 (discriminator 3) kernel/rcu/tree.c:4108 (discriminator 3))
[   39.277825][  T547]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380)
[   39.277827][  T547]  ? validate_chain (kernel/locking/lockdep.c:3817 (discriminator 2) kernel/locking/lockdep.c:3837 (discriminator 2) kernel/locking/lockdep.c:3892 (discriminator 2))
[   39.277830][  T547]  ? kasan_save_stack (mm/kasan/common.c:58)
[   39.277833][  T547]  ? kasan_save_stack (mm/kasan/common.c:57)
[   39.277834][  T547]  ? kasan_save_track (mm/kasan/common.c:78)
[   39.277837][  T547]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   39.277839][  T547]  ? netlink_update_listeners (net/netlink/af_netlink.c:532)
[   39.277842][  T547]  ? ___sys_sendmsg (net/socket.c:2744 net/socket.c:2763)
[   39.277847][  T547]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2))
[   39.277850][  T547]  ? rtnl_newlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:366 net/core/rtnetlink.c:4214)
[   39.277852][  T547]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   39.277854][  T547]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   39.277856][  T547]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   39.277857][  T547]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   39.277859][  T547]  ? trace_contention_end (./include/trace/events/lock.h:121 (discriminator 22))
[   39.277862][  T547]  ? __mutex_lock (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:3188 kernel/locking/mutex.c:89 kernel/locking/mutex.c:134 kernel/locking/mutex.c:649 kernel/locking/mutex.c:821)
[   39.277865][  T547]  ? __mutex_lock (kernel/locking/mutex.c:656 (discriminator 1) kernel/locking/mutex.c:821 (discriminator 1))
[   39.277867][  T547]  ? rtnl_newlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:366 net/core/rtnetlink.c:4214)
[   39.277871][  T547]  ? ww_mutex_lock (kernel/locking/mutex.c:934)
[   39.277873][  T547]  ? nla_get_range_signed (lib/nlattr.c:270)
[   39.277878][  T547]  ? __rtnl_newlink (net/core/rtnetlink.c:4063)
[   39.277884][  T547]  rtnl_newlink (net/core/rtnetlink.c:4215)
[   39.277889][  T547]  ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558)
[   39.277891][  T547]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   39.277896][  T547]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2))
[   39.277898][  T547]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[   39.277900][  T547]  ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558)
[   39.277902][  T547]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554)
[   39.277906][  T547]  ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558)
[   39.277908][  T547]  rtnetlink_rcv_msg (net/core/rtnetlink.c:7132)
[   39.277911][  T547]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   39.277912][  T547]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   39.277917][  T547]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2))
[   39.277919][  T547]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[   39.277923][  T547]  netlink_rcv_skb (net/netlink/af_netlink.c:2556)
[   39.277925][  T547]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   39.277927][  T547]  ? netlink_ack (./include/linux/skbuff.h:2718)
[   39.277934][  T547]  ? netlink_deliver_tap (./include/linux/rcupdate.h:319 (discriminator 2) ./include/linux/rcupdate.h:880 (discriminator 2) ./include/net/netns/generic.h:48 (discriminator 2) net/netlink/af_netlink.c:334 (discriminator 2))
[   39.277935][  T547]  ? netlink_deliver_tap (./include/linux/rcupdate.h:319 (discriminator 2) ./include/linux/rcupdate.h:880 (discriminator 2) net/netlink/af_netlink.c:341 (discriminator 2))
[   39.277940][  T547]  netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[   39.277943][  T547]  ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[   39.277946][  T547]  ? __lock_acquire (kernel/locking/lockdep.c:5251 (discriminator 3))
[   39.277951][  T547]  netlink_sendmsg (net/netlink/af_netlink.c:1900)
[   39.277954][  T547]  ? netlink_unicast (./include/net/net_namespace.h:422 (discriminator 7))
[   39.277956][  T547]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554)
[   39.277959][  T547]  ? __might_fault (mm/memory.c:7482 (discriminator 5))
[   39.277963][  T547]  ? __might_fault (mm/memory.c:7482 (discriminator 5))
[   39.277967][  T547]  ____sys_sendmsg (net/socket.c:800 (discriminator 4) net/socket.c:815 (discriminator 4) net/socket.c:2713 (discriminator 4))
[   39.277969][  T547]  ? copy_msghdr_from_user (net/socket.c:2650)
[   39.277971][  T547]  ? get_timestamp.constprop.0 (./include/linux/netdevice.h:5399)
[   39.277973][  T547]  ? move_addr_to_kernel (./include/linux/audit.h:354 (discriminator 1))
[   39.277980][  T547]  ___sys_sendmsg (net/socket.c:2767)
[   39.277983][  T547]  ? copy_msghdr_from_user (net/socket.c:2619)
[   39.278000][  T547]  __sys_sendmsg (net/socket.c:2799)
[   39.278004][  T547]  ? __sys_sendmsg_sock (net/socket.c:2780)
[   39.278010][  T547]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   39.278013][  T547]  do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84)
[   39.278016][  T547]  ? exc_page_fault (arch/x86/mm/fault.c:1489 (discriminator 3) arch/x86/mm/fault.c:1536 (discriminator 3))
[   39.278020][  T547]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[   39.278022][  T547] RIP: 0033:0x7fc6ccca454e
[   39.278026][  T547] Code: 4d 89 d8 e8 b4 bd 00 00 4c 8b 5d f8 41 8b 93 08 03 00 00 59 5e 48 83 f8 fc 74 11 c9 c3 0f 1f 80 00 00 00 00 48 8b 45 10 0f 05 <c9> c3 83 e2 39 83 fa 08 75 e7 e8 03 ff ff ff 0f 1f 00 f3 0f 1e fa
All code
========
   0:	4d 89 d8             	mov    %r11,%r8
   3:	e8 b4 bd 00 00       	call   0xbdbc
   8:	4c 8b 5d f8          	mov    -0x8(%rbp),%r11
   c:	41 8b 93 08 03 00 00 	mov    0x308(%r11),%edx
  13:	59                   	pop    %rcx
  14:	5e                   	pop    %rsi
  15:	48 83 f8 fc          	cmp    $0xfffffffffffffffc,%rax
  19:	74 11                	je     0x2c
  1b:	c9                   	leave
  1c:	c3                   	ret
  1d:	0f 1f 80 00 00 00 00 	nopl   0x0(%rax)
  24:	48 8b 45 10          	mov    0x10(%rbp),%rax
  28:	0f 05                	syscall
  2a:*	c9                   	leave		<-- trapping instruction
  2b:	c3                   	ret
  2c:	83 e2 39             	and    $0x39,%edx
  2f:	83 fa 08             	cmp    $0x8,%edx
  32:	75 e7                	jne    0x1b
  34:	e8 03 ff ff ff       	call   0xffffffffffffff3c
  39:	0f 1f 00             	nopl   (%rax)
  3c:	f3 0f 1e fa          	endbr64

Code starting with the faulting instruction
===========================================
   0:	c9                   	leave
   1:	c3                   	ret
   2:	83 e2 39             	and    $0x39,%edx
   5:	83 fa 08             	cmp    $0x8,%edx
   8:	75 e7                	jne    0xfffffffffffffff1
   a:	e8 03 ff ff ff       	call   0xffffffffffffff12
   f:	0f 1f 00             	nopl   (%rax)
  12:	f3 0f 1e fa          	endbr64
[   39.278028][  T547] RSP: 002b:00007ffedcc9ebb0 EFLAGS: 00000202 ORIG_RAX: 000000000000002e
[   39.278030][  T547] RAX: ffffffffffffffda RBX: 0000000000000003 RCX: 00007fc6ccca454e
[   39.278032][  T547] RDX: 0000000000000000 RSI: 00007ffedcc9ec60 RDI: 0000000000000005
[   39.278033][  T547] RBP: 00007ffedcc9ebc0 R08: 0000000000000000 R09: 0000000000000000
[   39.278034][  T547] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a916196
[   39.278035][  T547] R13: 00000000004a1620 R14: 0000000000000000 R15: 00007ffedcc9f330
| [   40.349644][  T556] softirqs last disabled at (29040): netif_change_name (./include/linux/spinlock.h:353 ./include/linux/seqlock.h:908 net/core/dev.c:1499)
| [   40.349647][  T556] Preemption disabled at:
| [   40.349648][  T556] vprintk_emit (kernel/printk/printk.c:2471)
| [   40.349657][  T556] Tainted: [W]=WARN
[   40.349658][  T556] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   40.349660][  T556] Call Trace:
[   40.349662][  T556]  <TASK>
[   40.349663][  T556]  dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120)
[   40.349668][  T556]  ? vprintk_emit (kernel/printk/printk.c:2471)
[   40.349670][  T556]  __might_resched.cold (kernel/sched/core.c:9234)
[   40.349674][  T556]  ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3))
[   40.349678][  T556]  ? __kmalloc_noprof (./include/linux/sched/mm.h:317 mm/slub.c:4636 mm/slub.c:4974 mm/slub.c:5413 mm/slub.c:5439)
[   40.349683][  T556]  __kmalloc_noprof (./include/linux/sched/mm.h:322 (discriminator 2) mm/slub.c:4636 (discriminator 2) mm/slub.c:4974 (discriminator 2) mm/slub.c:5413 (discriminator 2) mm/slub.c:5439 (discriminator 2))
[   40.349685][  T556]  ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[   40.349692][  T556]  ? do_raw_spin_unlock (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:32 ./include/asm-generic/qspinlock.h:58 kernel/locking/spinlock_debug.c:101 kernel/locking/spinlock_debug.c:141)
[   40.349695][  T556]  alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[   40.349698][  T556]  put_chars (drivers/char/virtio_console.c:1176)
[   40.349701][  T556]  ? __send_to_port (drivers/char/virtio_console.c:654)
[   40.349705][  T556]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380)
[   40.349709][  T556]  ? validate_chain (kernel/locking/lockdep.c:3817 (discriminator 2) kernel/locking/lockdep.c:3837 (discriminator 2) kernel/locking/lockdep.c:3892 (discriminator 2))
[   40.349713][  T556]  hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2))
[   40.349717][  T556]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   40.349719][  T556]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   40.349723][  T556]  ? hvc_write (drivers/tty/hvc/hvc_console.c:501)
[   40.349727][  T556]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   40.349729][  T556]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   40.349734][  T556]  console_emit_next_record (kernel/printk/printk.c:3183)
[   40.349737][  T556]  ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20)
[   40.349739][  T556]  ? console_flush_one_record (./include/linux/rcupdate.h:314 (discriminator 2) ./include/linux/srcu.h:439 (discriminator 2) kernel/printk/printk.c:291 (discriminator 2) kernel/printk/printk.c:3246 (discriminator 2))
[   40.349741][  T556]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   40.349743][  T556]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   40.349748][  T556]  console_flush_one_record (kernel/printk/printk.c:3268)
[   40.349752][  T556]  ? console_emit_next_record (kernel/printk/printk.c:3150)
[   40.349753][  T556]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   40.349766][  T556]  console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420)
[   40.349768][  T556]  ? console_flush_one_record (kernel/printk/printk.c:3316)
[   40.349770][  T556]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   40.349772][  T556]  ? lock_acquire (kernel/locking/lockdep.c:5913)
[   40.349776][  T556]  ? __down_trylock_console_sem (kernel/printk/printk.c:334)
[   40.349778][  T556]  ? vprintk_emit (kernel/printk/printk.c:2478)
[   40.349781][  T556]  vprintk_emit (kernel/printk/printk.c:2479)
[   40.349784][  T556]  ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126))
[   40.349786][  T556]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   40.349788][  T556]  ? save_trace (kernel/locking/lockdep.c:154 (discriminator 6) kernel/locking/lockdep.c:150 (discriminator 6) kernel/locking/lockdep.c:202 (discriminator 6) kernel/locking/lockdep.c:577 (discriminator 6))
[   40.349790][  T556]  ? find_held_lock (kernel/locking/lockdep.c:5360)
[   40.349794][  T556]  _printk (kernel/printk/printk.c:2504)
[   40.349798][  T556]  ? snapshot_read.cold (user.c:?)
[   40.349800][  T556]  ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4116 (discriminator 3) kernel/rcu/tree.c:4108 (discriminator 3))
[   40.349803][  T556]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380)
[   40.349805][  T556]  ? validate_chain (kernel/locking/lockdep.c:3817 (discriminator 2) kernel/locking/lockdep.c:3837 (discriminator 2) kernel/locking/lockdep.c:3892 (discriminator 2))
[   40.349807][  T556]  ? netdev_name (./include/linux/netdevice.h:5709 (discriminator 1))
[   40.349811][  T556]  ? __netdev_printk (net/core/dev.c:13148 (discriminator 2))
[   40.349813][  T556]  ? do_setlink.isra.0 (net/core/rtnetlink.c:3246)
[   40.349816][  T556]  netdev_info (net/core/dev.c:13195 (discriminator 3))
[   40.349818][  T556]  ? netdev_notice (net/core/dev.c:13194)
[   40.349821][  T556]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[   40.349824][  T556]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554)
[   40.349827][  T556]  ? mark_held_locks (kernel/locking/lockdep.c:4341)
[   40.349831][  T556]  ? do_setlink.isra.0 (net/core/rtnetlink.c:3246)
[   40.349833][  T556]  netif_change_name.cold (net/core/dev.c:1507 (discriminator 3))
[   40.349836][  T556]  ? is_bpf_text_address (./include/linux/rcupdate.h:319 (discriminator 2) ./include/linux/rcupdate.h:880 (discriminator 2) kernel/bpf/core.c:751 (discriminator 2))
[   40.349842][  T556]  ? netdev_adjacent_rename_links (net/core/dev.c:9598)
[   40.349845][  T556]  ? __kernel_text_address (kernel/extable.c:79)
[   40.349848][  T556]  ? write_profile (profile.c:?)
[   40.349852][  T556]  ? __asan_memset (mm/kasan/shadow.c:84 (discriminator 1))
[   40.349858][  T556]  do_setlink.isra.0 (net/core/rtnetlink.c:3246)
[   40.349862][  T556]  ? stack_trace_save (kernel/stacktrace.c:122 (discriminator 1))
[   40.349865][  T556]  ? rtnl_link_get_size (net/core/rtnetlink.c:747)
[   40.349866][  T556]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:388 kernel/rcu/update.c:380)
[   40.349868][  T556]  ? stack_depot_save_flags (lib/stackdepot.c:609 (discriminator 2) lib/stackdepot.c:676 (discriminator 2))
[   40.349872][  T556]  ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4116 (discriminator 3) kernel/rcu/tree.c:4108 (discriminator 3))
[   40.349874][  T556]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380)
[   40.349876][  T556]  ? validate_chain (kernel/locking/lockdep.c:3817 (discriminator 2) kernel/locking/lockdep.c:3837 (discriminator 2) kernel/locking/lockdep.c:3892 (discriminator 2))
[   40.349879][  T556]  ? kasan_save_stack (mm/kasan/common.c:58)
[   40.349882][  T556]  ? kasan_save_stack (mm/kasan/common.c:57)
[   40.349883][  T556]  ? kasan_save_track (mm/kasan/common.c:78)
[   40.349886][  T556]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   40.349888][  T556]  ? netlink_update_listeners (net/netlink/af_netlink.c:532)
[   40.349891][  T556]  ? ___sys_sendmsg (net/socket.c:2744 net/socket.c:2763)
[   40.349896][  T556]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2))
[   40.349898][  T556]  ? rtnl_newlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:366 net/core/rtnetlink.c:4214)
[   40.349901][  T556]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   40.349903][  T556]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   40.349904][  T556]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   40.349906][  T556]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   40.349908][  T556]  ? trace_contention_end (./include/trace/events/lock.h:121 (discriminator 22))
[   40.349910][  T556]  ? __mutex_lock (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:3188 kernel/locking/mutex.c:89 kernel/locking/mutex.c:134 kernel/locking/mutex.c:649 kernel/locking/mutex.c:821)
[   40.349913][  T556]  ? __mutex_lock (kernel/locking/mutex.c:656 (discriminator 1) kernel/locking/mutex.c:821 (discriminator 1))
[   40.349916][  T556]  ? rtnl_newlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:366 net/core/rtnetlink.c:4214)
[   40.349919][  T556]  ? ww_mutex_lock (kernel/locking/mutex.c:934)
[   40.349921][  T556]  ? nla_get_range_signed (lib/nlattr.c:270)
[   40.349927][  T556]  ? __rtnl_newlink (net/core/rtnetlink.c:4063)
[   40.349932][  T556]  rtnl_newlink (net/core/rtnetlink.c:4215)
[   40.349938][  T556]  ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558)
[   40.349940][  T556]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   40.349945][  T556]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2))
[   40.349947][  T556]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[   40.349949][  T556]  ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558)
[   40.349951][  T556]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554)
[   40.349955][  T556]  ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558)
[   40.349957][  T556]  rtnetlink_rcv_msg (net/core/rtnetlink.c:7132)
[   40.349960][  T556]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   40.349961][  T556]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   40.349966][  T556]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2))
[   40.349968][  T556]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[   40.349971][  T556]  netlink_rcv_skb (net/netlink/af_netlink.c:2556)
[   40.349973][  T556]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   40.349976][  T556]  ? netlink_ack (./include/linux/skbuff.h:2718)
[   40.349982][  T556]  ? netlink_deliver_tap (./include/linux/rcupdate.h:319 (discriminator 2) ./include/linux/rcupdate.h:880 (discriminator 2) ./include/net/netns/generic.h:48 (discriminator 2) net/netlink/af_netlink.c:334 (discriminator 2))
[   40.349984][  T556]  ? netlink_deliver_tap (./include/linux/rcupdate.h:319 (discriminator 2) ./include/linux/rcupdate.h:880 (discriminator 2) net/netlink/af_netlink.c:341 (discriminator 2))
[   40.349988][  T556]  netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[   40.349992][  T556]  ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[   40.349995][  T556]  ? __lock_acquire (kernel/locking/lockdep.c:5251 (discriminator 3))
[   40.349999][  T556]  netlink_sendmsg (net/netlink/af_netlink.c:1900)
[   40.350003][  T556]  ? netlink_unicast (./include/net/net_namespace.h:422 (discriminator 7))
[   40.350005][  T556]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554)
[   40.350008][  T556]  ? __might_fault (mm/memory.c:7482 (discriminator 5))
[   40.350011][  T556]  ? __might_fault (mm/memory.c:7482 (discriminator 5))
[   40.350016][  T556]  ____sys_sendmsg (net/socket.c:800 (discriminator 4) net/socket.c:815 (discriminator 4) net/socket.c:2713 (discriminator 4))
[   40.350018][  T556]  ? copy_msghdr_from_user (net/socket.c:2650)
[   40.350020][  T556]  ? get_timestamp.constprop.0 (./include/linux/netdevice.h:5399)
[   40.350022][  T556]  ? move_addr_to_kernel (./include/linux/audit.h:354 (discriminator 1))
[   40.350029][  T556]  ___sys_sendmsg (net/socket.c:2767)
[   40.350032][  T556]  ? copy_msghdr_from_user (net/socket.c:2619)
[   40.350050][  T556]  __sys_sendmsg (net/socket.c:2799)
[   40.350053][  T556]  ? __sys_sendmsg_sock (net/socket.c:2780)
[   40.350060][  T556]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   40.350063][  T556]  do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84)
[   40.350066][  T556]  ? exc_page_fault (arch/x86/mm/fault.c:1489 (discriminator 3) arch/x86/mm/fault.c:1536 (discriminator 3))
[   40.350069][  T556]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[   40.350071][  T556] RIP: 0033:0x7ff75d70c54e
[   40.350075][  T556] Code: 4d 89 d8 e8 b4 bd 00 00 4c 8b 5d f8 41 8b 93 08 03 00 00 59 5e 48 83 f8 fc 74 11 c9 c3 0f 1f 80 00 00 00 00 48 8b 45 10 0f 05 <c9> c3 83 e2 39 83 fa 08 75 e7 e8 03 ff ff ff 0f 1f 00 f3 0f 1e fa
All code
========
   0:	4d 89 d8             	mov    %r11,%r8
   3:	e8 b4 bd 00 00       	call   0xbdbc
   8:	4c 8b 5d f8          	mov    -0x8(%rbp),%r11
   c:	41 8b 93 08 03 00 00 	mov    0x308(%r11),%edx
  13:	59                   	pop    %rcx
  14:	5e                   	pop    %rsi
  15:	48 83 f8 fc          	cmp    $0xfffffffffffffffc,%rax
  19:	74 11                	je     0x2c
  1b:	c9                   	leave
  1c:	c3                   	ret
  1d:	0f 1f 80 00 00 00 00 	nopl   0x0(%rax)
  24:	48 8b 45 10          	mov    0x10(%rbp),%rax
  28:	0f 05                	syscall
  2a:*	c9                   	leave		<-- trapping instruction
  2b:	c3                   	ret
  2c:	83 e2 39             	and    $0x39,%edx
  2f:	83 fa 08             	cmp    $0x8,%edx
  32:	75 e7                	jne    0x1b
  34:	e8 03 ff ff ff       	call   0xffffffffffffff3c
  39:	0f 1f 00             	nopl   (%rax)
  3c:	f3 0f 1e fa          	endbr64

Code starting with the faulting instruction
===========================================
   0:	c9                   	leave
   1:	c3                   	ret
   2:	83 e2 39             	and    $0x39,%edx
   5:	83 fa 08             	cmp    $0x8,%edx
   8:	75 e7                	jne    0xfffffffffffffff1
   a:	e8 03 ff ff ff       	call   0xffffffffffffff12
   f:	0f 1f 00             	nopl   (%rax)
  12:	f3 0f 1e fa          	endbr64
[   40.350077][  T556] RSP: 002b:00007ffe74573740 EFLAGS: 00000202 ORIG_RAX: 000000000000002e
[   40.350080][  T556] RAX: ffffffffffffffda RBX: 0000000000000003 RCX: 00007ff75d70c54e
[   40.350081][  T556] RDX: 0000000000000000 RSI: 00007ffe745737f0 RDI: 0000000000000005
[   40.350082][  T556] RBP: 00007ffe74573750 R08: 0000000000000000 R09: 0000000000000000
[   40.350083][  T556] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a916197
[   40.350084][  T556] R13: 00000000004a1620 R14: 0000000000000000 R15: 00007ffe74573ec0
| [   41.433853][  T565] softirqs last disabled at (17816): netif_change_name (./include/linux/spinlock.h:353 ./include/linux/seqlock.h:908 net/core/dev.c:1499)
| [   41.433856][  T565] Preemption disabled at:
| [   41.433857][  T565] vprintk_emit (kernel/printk/printk.c:2471)
| [   41.433865][  T565] Tainted: [W]=WARN
[   41.433866][  T565] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   41.433868][  T565] Call Trace:
[   41.433870][  T565]  <TASK>
[   41.433871][  T565]  dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120)
[   41.433876][  T565]  ? vprintk_emit (kernel/printk/printk.c:2471)
[   41.433878][  T565]  __might_resched.cold (kernel/sched/core.c:9234)
[   41.433883][  T565]  ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3))
[   41.433886][  T565]  ? __kmalloc_noprof (./include/linux/sched/mm.h:317 mm/slub.c:4636 mm/slub.c:4974 mm/slub.c:5413 mm/slub.c:5439)
[   41.433892][  T565]  __kmalloc_noprof (./include/linux/sched/mm.h:322 (discriminator 2) mm/slub.c:4636 (discriminator 2) mm/slub.c:4974 (discriminator 2) mm/slub.c:5413 (discriminator 2) mm/slub.c:5439 (discriminator 2))
[   41.433894][  T565]  ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[   41.433900][  T565]  ? do_raw_spin_unlock (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:32 ./include/asm-generic/qspinlock.h:58 kernel/locking/spinlock_debug.c:101 kernel/locking/spinlock_debug.c:141)
[   41.433904][  T565]  alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[   41.433907][  T565]  put_chars (drivers/char/virtio_console.c:1176)
[   41.433910][  T565]  ? __send_to_port (drivers/char/virtio_console.c:654)
[   41.433914][  T565]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380)
[   41.433918][  T565]  ? validate_chain (kernel/locking/lockdep.c:3817 (discriminator 2) kernel/locking/lockdep.c:3837 (discriminator 2) kernel/locking/lockdep.c:3892 (discriminator 2))
[   41.433923][  T565]  hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2))
[   41.433927][  T565]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   41.433928][  T565]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   41.433933][  T565]  ? hvc_write (drivers/tty/hvc/hvc_console.c:501)
[   41.433937][  T565]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   41.433940][  T565]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   41.433944][  T565]  console_emit_next_record (kernel/printk/printk.c:3183)
[   41.433947][  T565]  ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20)
[   41.433949][  T565]  ? 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))
[   41.433952][  T565]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   41.433954][  T565]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   41.433958][  T565]  console_flush_one_record (kernel/printk/printk.c:3268)
[   41.433962][  T565]  ? console_emit_next_record (kernel/printk/printk.c:3150)
[   41.433963][  T565]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   41.433969][  T565]  console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420)
[   41.433971][  T565]  ? console_flush_one_record (kernel/printk/printk.c:3316)
[   41.433972][  T565]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   41.433974][  T565]  ? lock_acquire (kernel/locking/lockdep.c:5913)
[   41.433978][  T565]  ? __down_trylock_console_sem (kernel/printk/printk.c:334)
[   41.433980][  T565]  ? vprintk_emit (kernel/printk/printk.c:2478)
[   41.433983][  T565]  vprintk_emit (kernel/printk/printk.c:2479)
[   41.433987][  T565]  ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126))
[   41.433989][  T565]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   41.433991][  T565]  ? save_trace (kernel/locking/lockdep.c:154 (discriminator 6) kernel/locking/lockdep.c:150 (discriminator 6) kernel/locking/lockdep.c:202 (discriminator 6) kernel/locking/lockdep.c:577 (discriminator 6))
[   41.433993][  T565]  ? find_held_lock (kernel/locking/lockdep.c:5360)
[   41.433997][  T565]  _printk (kernel/printk/printk.c:2504)
[   41.434001][  T565]  ? snapshot_read.cold (user.c:?)
[   41.434002][  T565]  ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4116 (discriminator 3) kernel/rcu/tree.c:4108 (discriminator 3))
[   41.434005][  T565]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380)
[   41.434008][  T565]  ? validate_chain (kernel/locking/lockdep.c:3817 (discriminator 2) kernel/locking/lockdep.c:3837 (discriminator 2) kernel/locking/lockdep.c:3892 (discriminator 2))
[   41.434010][  T565]  ? netdev_name (./include/linux/netdevice.h:5709 (discriminator 1))
[   41.434013][  T565]  ? __netdev_printk (net/core/dev.c:13148 (discriminator 2))
[   41.434016][  T565]  ? do_setlink.isra.0 (net/core/rtnetlink.c:3246)
[   41.434018][  T565]  netdev_info (net/core/dev.c:13195 (discriminator 3))
[   41.434021][  T565]  ? netdev_notice (net/core/dev.c:13194)
[   41.434024][  T565]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[   41.434027][  T565]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554)
[   41.434029][  T565]  ? mark_held_locks (kernel/locking/lockdep.c:4341)
[   41.434033][  T565]  ? do_setlink.isra.0 (net/core/rtnetlink.c:3246)
[   41.434035][  T565]  netif_change_name.cold (net/core/dev.c:1507 (discriminator 3))
[   41.434039][  T565]  ? 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))
[   41.434045][  T565]  ? netdev_adjacent_rename_links (net/core/dev.c:9598)
[   41.434048][  T565]  ? __kernel_text_address (kernel/extable.c:79)
[   41.434051][  T565]  ? write_profile (profile.c:?)
[   41.434056][  T565]  ? __asan_memset (mm/kasan/shadow.c:84 (discriminator 1))
[   41.434061][  T565]  do_setlink.isra.0 (net/core/rtnetlink.c:3246)
[   41.434066][  T565]  ? stack_trace_save (kernel/stacktrace.c:122 (discriminator 1))
[   41.434068][  T565]  ? rtnl_link_get_size (net/core/rtnetlink.c:747)
[   41.434069][  T565]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:388 kernel/rcu/update.c:380)
[   41.434071][  T565]  ? stack_depot_save_flags (lib/stackdepot.c:609 (discriminator 2) lib/stackdepot.c:676 (discriminator 2))
[   41.434075][  T565]  ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4116 (discriminator 3) kernel/rcu/tree.c:4108 (discriminator 3))
[   41.434077][  T565]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380)
[   41.434079][  T565]  ? validate_chain (kernel/locking/lockdep.c:3817 (discriminator 2) kernel/locking/lockdep.c:3837 (discriminator 2) kernel/locking/lockdep.c:3892 (discriminator 2))
[   41.434082][  T565]  ? kasan_save_stack (mm/kasan/common.c:58)
[   41.434085][  T565]  ? kasan_save_stack (mm/kasan/common.c:57)
[   41.434087][  T565]  ? kasan_save_track (mm/kasan/common.c:78)
[   41.434090][  T565]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   41.434092][  T565]  ? netlink_update_listeners (net/netlink/af_netlink.c:532)
[   41.434095][  T565]  ? ___sys_sendmsg (net/socket.c:2744 net/socket.c:2763)
[   41.434100][  T565]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2))
[   41.434103][  T565]  ? rtnl_newlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:366 net/core/rtnetlink.c:4214)
[   41.434105][  T565]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   41.434107][  T565]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   41.434109][  T565]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   41.434110][  T565]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   41.434112][  T565]  ? trace_contention_end (./include/trace/events/lock.h:121 (discriminator 22))
[   41.434115][  T565]  ? __mutex_lock (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:3188 kernel/locking/mutex.c:89 kernel/locking/mutex.c:134 kernel/locking/mutex.c:649 kernel/locking/mutex.c:821)
[   41.434118][  T565]  ? __mutex_lock (kernel/locking/mutex.c:656 (discriminator 1) kernel/locking/mutex.c:821 (discriminator 1))
[   41.434121][  T565]  ? rtnl_newlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:366 net/core/rtnetlink.c:4214)
[   41.434124][  T565]  ? ww_mutex_lock (kernel/locking/mutex.c:934)
[   41.434126][  T565]  ? nla_get_range_signed (lib/nlattr.c:270)
[   41.434132][  T565]  ? __rtnl_newlink (net/core/rtnetlink.c:4063)
[   41.434139][  T565]  rtnl_newlink (net/core/rtnetlink.c:4215)
[   41.434145][  T565]  ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558)
[   41.434147][  T565]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   41.434152][  T565]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2))
[   41.434154][  T565]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[   41.434156][  T565]  ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558)
[   41.434158][  T565]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554)
[   41.434162][  T565]  ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558)
[   41.434164][  T565]  rtnetlink_rcv_msg (net/core/rtnetlink.c:7132)
[   41.434167][  T565]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   41.434169][  T565]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   41.434174][  T565]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2))
[   41.434176][  T565]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[   41.434179][  T565]  netlink_rcv_skb (net/netlink/af_netlink.c:2556)
[   41.434181][  T565]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   41.434184][  T565]  ? netlink_ack (./include/linux/skbuff.h:2718)
[   41.434190][  T565]  ? 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))
[   41.434192][  T565]  ? 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))
[   41.434196][  T565]  netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[   41.434200][  T565]  ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[   41.434203][  T565]  ? __lock_acquire (kernel/locking/lockdep.c:5251 (discriminator 3))
[   41.434207][  T565]  netlink_sendmsg (net/netlink/af_netlink.c:1900)
[   41.434211][  T565]  ? netlink_unicast (./include/net/net_namespace.h:422 (discriminator 7))
[   41.434212][  T565]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554)
[   41.434216][  T565]  ? __might_fault (mm/memory.c:7482 (discriminator 5))
[   41.434219][  T565]  ? __might_fault (mm/memory.c:7482 (discriminator 5))
[   41.434224][  T565]  ____sys_sendmsg (net/socket.c:800 (discriminator 4) net/socket.c:815 (discriminator 4) net/socket.c:2713 (discriminator 4))
[   41.434226][  T565]  ? copy_msghdr_from_user (net/socket.c:2650)
[   41.434228][  T565]  ? get_timestamp.constprop.0 (./include/linux/netdevice.h:5399)
[   41.434230][  T565]  ? move_addr_to_kernel (./include/linux/audit.h:354 (discriminator 1))
[   41.434237][  T565]  ___sys_sendmsg (net/socket.c:2767)
[   41.434240][  T565]  ? copy_msghdr_from_user (net/socket.c:2619)
[   41.434256][  T565]  __sys_sendmsg (net/socket.c:2799)
[   41.434260][  T565]  ? __sys_sendmsg_sock (net/socket.c:2780)
[   41.434266][  T565]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   41.434269][  T565]  do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84)
[   41.434272][  T565]  ? exc_page_fault (arch/x86/mm/fault.c:1489 (discriminator 3) arch/x86/mm/fault.c:1536 (discriminator 3))
[   41.434276][  T565]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[   41.434278][  T565] RIP: 0033:0x7fc856c4b54e
[   41.434282][  T565] Code: 4d 89 d8 e8 b4 bd 00 00 4c 8b 5d f8 41 8b 93 08 03 00 00 59 5e 48 83 f8 fc 74 11 c9 c3 0f 1f 80 00 00 00 00 48 8b 45 10 0f 05 <c9> c3 83 e2 39 83 fa 08 75 e7 e8 03 ff ff ff 0f 1f 00 f3 0f 1e fa
All code
========
   0:	4d 89 d8             	mov    %r11,%r8
   3:	e8 b4 bd 00 00       	call   0xbdbc
   8:	4c 8b 5d f8          	mov    -0x8(%rbp),%r11
   c:	41 8b 93 08 03 00 00 	mov    0x308(%r11),%edx
  13:	59                   	pop    %rcx
  14:	5e                   	pop    %rsi
  15:	48 83 f8 fc          	cmp    $0xfffffffffffffffc,%rax
  19:	74 11                	je     0x2c
  1b:	c9                   	leave
  1c:	c3                   	ret
  1d:	0f 1f 80 00 00 00 00 	nopl   0x0(%rax)
  24:	48 8b 45 10          	mov    0x10(%rbp),%rax
  28:	0f 05                	syscall
  2a:*	c9                   	leave		<-- trapping instruction
  2b:	c3                   	ret
  2c:	83 e2 39             	and    $0x39,%edx
  2f:	83 fa 08             	cmp    $0x8,%edx
  32:	75 e7                	jne    0x1b
  34:	e8 03 ff ff ff       	call   0xffffffffffffff3c
  39:	0f 1f 00             	nopl   (%rax)
  3c:	f3 0f 1e fa          	endbr64

Code starting with the faulting instruction
===========================================
   0:	c9                   	leave
   1:	c3                   	ret
   2:	83 e2 39             	and    $0x39,%edx
   5:	83 fa 08             	cmp    $0x8,%edx
   8:	75 e7                	jne    0xfffffffffffffff1
   a:	e8 03 ff ff ff       	call   0xffffffffffffff12
   f:	0f 1f 00             	nopl   (%rax)
  12:	f3 0f 1e fa          	endbr64
[   41.434283][  T565] RSP: 002b:00007ffc5c908ae0 EFLAGS: 00000202 ORIG_RAX: 000000000000002e
[   41.434286][  T565] RAX: ffffffffffffffda RBX: 0000000000000003 RCX: 00007fc856c4b54e
[   41.434287][  T565] RDX: 0000000000000000 RSI: 00007ffc5c908b90 RDI: 0000000000000005
[   41.434288][  T565] RBP: 00007ffc5c908af0 R08: 0000000000000000 R09: 0000000000000000
[   41.434289][  T565] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a916198
[   41.434290][  T565] R13: 00000000004a1620 R14: 0000000000000000 R15: 00007ffc5c909260
| [   42.492055][  T573] softirqs last disabled at (17834): netif_change_name (./include/linux/spinlock.h:353 ./include/linux/seqlock.h:908 net/core/dev.c:1499)
| [   42.492058][  T573] Preemption disabled at:
| [   42.492058][  T573] vprintk_emit (kernel/printk/printk.c:2471)
| [   42.492067][  T573] Tainted: [W]=WARN
[   42.492068][  T573] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   42.492070][  T573] Call Trace:
[   42.492072][  T573]  <TASK>
[   42.492073][  T573]  dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120)
[   42.492079][  T573]  ? vprintk_emit (kernel/printk/printk.c:2471)
[   42.492080][  T573]  __might_resched.cold (kernel/sched/core.c:9234)
[   42.492085][  T573]  ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3))
[   42.492088][  T573]  ? __kmalloc_noprof (./include/linux/sched/mm.h:317 mm/slub.c:4636 mm/slub.c:4974 mm/slub.c:5413 mm/slub.c:5439)
[   42.492094][  T573]  __kmalloc_noprof (./include/linux/sched/mm.h:322 (discriminator 2) mm/slub.c:4636 (discriminator 2) mm/slub.c:4974 (discriminator 2) mm/slub.c:5413 (discriminator 2) mm/slub.c:5439 (discriminator 2))
[   42.492097][  T573]  ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[   42.492103][  T573]  ? do_raw_spin_unlock (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:32 ./include/asm-generic/qspinlock.h:58 kernel/locking/spinlock_debug.c:101 kernel/locking/spinlock_debug.c:141)
[   42.492106][  T573]  alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[   42.492109][  T573]  put_chars (drivers/char/virtio_console.c:1176)
[   42.492112][  T573]  ? __send_to_port (drivers/char/virtio_console.c:654)
[   42.492116][  T573]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380)
[   42.492120][  T573]  ? validate_chain (kernel/locking/lockdep.c:3817 (discriminator 2) kernel/locking/lockdep.c:3837 (discriminator 2) kernel/locking/lockdep.c:3892 (discriminator 2))
[   42.492124][  T573]  hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2))
[   42.492128][  T573]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   42.492130][  T573]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   42.492135][  T573]  ? hvc_write (drivers/tty/hvc/hvc_console.c:501)
[   42.492140][  T573]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   42.492143][  T573]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   42.492147][  T573]  console_emit_next_record (kernel/printk/printk.c:3183)
[   42.492151][  T573]  ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20)
[   42.492152][  T573]  ? console_flush_one_record (./include/linux/rcupdate.h:314 (discriminator 2) ./include/linux/srcu.h:439 (discriminator 2) kernel/printk/printk.c:291 (discriminator 2) kernel/printk/printk.c:3246 (discriminator 2))
[   42.492155][  T573]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   42.492157][  T573]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   42.492161][  T573]  console_flush_one_record (kernel/printk/printk.c:3268)
[   42.492165][  T573]  ? console_emit_next_record (kernel/printk/printk.c:3150)
[   42.492166][  T573]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   42.492172][  T573]  console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420)
[   42.492174][  T573]  ? console_flush_one_record (kernel/printk/printk.c:3316)
[   42.492176][  T573]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   42.492177][  T573]  ? lock_acquire (kernel/locking/lockdep.c:5913)
[   42.492181][  T573]  ? __down_trylock_console_sem (kernel/printk/printk.c:334)
[   42.492184][  T573]  ? vprintk_emit (kernel/printk/printk.c:2478)
[   42.492187][  T573]  vprintk_emit (kernel/printk/printk.c:2479)
[   42.492190][  T573]  ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126))
[   42.492192][  T573]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   42.492194][  T573]  ? save_trace (kernel/locking/lockdep.c:154 (discriminator 6) kernel/locking/lockdep.c:150 (discriminator 6) kernel/locking/lockdep.c:202 (discriminator 6) kernel/locking/lockdep.c:577 (discriminator 6))
[   42.492196][  T573]  ? find_held_lock (kernel/locking/lockdep.c:5360)
[   42.492200][  T573]  _printk (kernel/printk/printk.c:2504)
[   42.492204][  T573]  ? snapshot_read.cold (user.c:?)
[   42.492205][  T573]  ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4116 (discriminator 3) kernel/rcu/tree.c:4108 (discriminator 3))
[   42.492209][  T573]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380)
[   42.492211][  T573]  ? validate_chain (kernel/locking/lockdep.c:3817 (discriminator 2) kernel/locking/lockdep.c:3837 (discriminator 2) kernel/locking/lockdep.c:3892 (discriminator 2))
[   42.492213][  T573]  ? netdev_name (./include/linux/netdevice.h:5709 (discriminator 1))
[   42.492216][  T573]  ? __netdev_printk (net/core/dev.c:13148 (discriminator 2))
[   42.492219][  T573]  ? do_setlink.isra.0 (net/core/rtnetlink.c:3246)
[   42.492221][  T573]  netdev_info (net/core/dev.c:13195 (discriminator 3))
[   42.492224][  T573]  ? netdev_notice (net/core/dev.c:13194)
[   42.492227][  T573]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[   42.492230][  T573]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554)
[   42.492233][  T573]  ? mark_held_locks (kernel/locking/lockdep.c:4341)
[   42.492236][  T573]  ? do_setlink.isra.0 (net/core/rtnetlink.c:3246)
[   42.492238][  T573]  netif_change_name.cold (net/core/dev.c:1507 (discriminator 3))
[   42.492242][  T573]  ? is_bpf_text_address (./include/linux/rcupdate.h:319 (discriminator 2) ./include/linux/rcupdate.h:880 (discriminator 2) kernel/bpf/core.c:751 (discriminator 2))
[   42.492248][  T573]  ? netdev_adjacent_rename_links (net/core/dev.c:9598)
[   42.492251][  T573]  ? __kernel_text_address (kernel/extable.c:79)
[   42.492254][  T573]  ? write_profile (profile.c:?)
[   42.492258][  T573]  ? __asan_memset (mm/kasan/shadow.c:84 (discriminator 1))
[   42.492263][  T573]  do_setlink.isra.0 (net/core/rtnetlink.c:3246)
[   42.492268][  T573]  ? stack_trace_save (kernel/stacktrace.c:122 (discriminator 1))
[   42.492270][  T573]  ? rtnl_link_get_size (net/core/rtnetlink.c:747)
[   42.492271][  T573]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:388 kernel/rcu/update.c:380)
[   42.492273][  T573]  ? stack_depot_save_flags (lib/stackdepot.c:609 (discriminator 2) lib/stackdepot.c:676 (discriminator 2))
[   42.492277][  T573]  ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4116 (discriminator 3) kernel/rcu/tree.c:4108 (discriminator 3))
[   42.492279][  T573]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380)
[   42.492282][  T573]  ? validate_chain (kernel/locking/lockdep.c:3817 (discriminator 2) kernel/locking/lockdep.c:3837 (discriminator 2) kernel/locking/lockdep.c:3892 (discriminator 2))
[   42.492285][  T573]  ? kasan_save_stack (mm/kasan/common.c:58)
[   42.492287][  T573]  ? kasan_save_stack (mm/kasan/common.c:57)
[   42.492289][  T573]  ? kasan_save_track (mm/kasan/common.c:78)
[   42.492292][  T573]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   42.492294][  T573]  ? netlink_update_listeners (net/netlink/af_netlink.c:532)
[   42.492297][  T573]  ? ___sys_sendmsg (net/socket.c:2744 net/socket.c:2763)
[   42.492302][  T573]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2))
[   42.492304][  T573]  ? rtnl_newlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:366 net/core/rtnetlink.c:4214)
[   42.492307][  T573]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   42.492309][  T573]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   42.492311][  T573]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   42.492312][  T573]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   42.492314][  T573]  ? trace_contention_end (./include/trace/events/lock.h:121 (discriminator 22))
[   42.492317][  T573]  ? __mutex_lock (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:3188 kernel/locking/mutex.c:89 kernel/locking/mutex.c:134 kernel/locking/mutex.c:649 kernel/locking/mutex.c:821)
[   42.492320][  T573]  ? __mutex_lock (kernel/locking/mutex.c:656 (discriminator 1) kernel/locking/mutex.c:821 (discriminator 1))
[   42.492323][  T573]  ? rtnl_newlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:366 net/core/rtnetlink.c:4214)
[   42.492326][  T573]  ? ww_mutex_lock (kernel/locking/mutex.c:934)
[   42.492328][  T573]  ? nla_get_range_signed (lib/nlattr.c:270)
[   42.492334][  T573]  ? __rtnl_newlink (net/core/rtnetlink.c:4063)
[   42.492339][  T573]  rtnl_newlink (net/core/rtnetlink.c:4215)
[   42.492345][  T573]  ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558)
[   42.492346][  T573]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   42.492351][  T573]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2))
[   42.492353][  T573]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[   42.492356][  T573]  ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558)
[   42.492357][  T573]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554)
[   42.492361][  T573]  ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558)
[   42.492363][  T573]  rtnetlink_rcv_msg (net/core/rtnetlink.c:7132)
[   42.492367][  T573]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   42.492368][  T573]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   42.492373][  T573]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2))
[   42.492375][  T573]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[   42.492379][  T573]  netlink_rcv_skb (net/netlink/af_netlink.c:2556)
[   42.492381][  T573]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   42.492384][  T573]  ? netlink_ack (./include/linux/skbuff.h:2718)
[   42.492390][  T573]  ? netlink_deliver_tap (./include/linux/rcupdate.h:319 (discriminator 2) ./include/linux/rcupdate.h:880 (discriminator 2) ./include/net/netns/generic.h:48 (discriminator 2) net/netlink/af_netlink.c:334 (discriminator 2))
[   42.492391][  T573]  ? netlink_deliver_tap (./include/linux/rcupdate.h:319 (discriminator 2) ./include/linux/rcupdate.h:880 (discriminator 2) net/netlink/af_netlink.c:341 (discriminator 2))
[   42.492396][  T573]  netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[   42.492400][  T573]  ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[   42.492403][  T573]  ? __lock_acquire (kernel/locking/lockdep.c:5251 (discriminator 3))
[   42.492407][  T573]  netlink_sendmsg (net/netlink/af_netlink.c:1900)
[   42.492411][  T573]  ? netlink_unicast (./include/net/net_namespace.h:422 (discriminator 7))
[   42.492412][  T573]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554)
[   42.492415][  T573]  ? __might_fault (mm/memory.c:7482 (discriminator 5))
[   42.492419][  T573]  ? __might_fault (mm/memory.c:7482 (discriminator 5))
[   42.492423][  T573]  ____sys_sendmsg (net/socket.c:800 (discriminator 4) net/socket.c:815 (discriminator 4) net/socket.c:2713 (discriminator 4))
[   42.492425][  T573]  ? copy_msghdr_from_user (net/socket.c:2650)
[   42.492428][  T573]  ? get_timestamp.constprop.0 (./include/linux/netdevice.h:5399)
[   42.492429][  T573]  ? move_addr_to_kernel (./include/linux/audit.h:354 (discriminator 1))
[   42.492437][  T573]  ___sys_sendmsg (net/socket.c:2767)
[   42.492440][  T573]  ? copy_msghdr_from_user (net/socket.c:2619)
[   42.492456][  T573]  __sys_sendmsg (net/socket.c:2799)
[   42.492459][  T573]  ? __sys_sendmsg_sock (net/socket.c:2780)
[   42.492465][  T573]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   42.492469][  T573]  do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84)
[   42.492471][  T573]  ? exc_page_fault (arch/x86/mm/fault.c:1489 (discriminator 3) arch/x86/mm/fault.c:1536 (discriminator 3))
[   42.492475][  T573]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[   42.492477][  T573] RIP: 0033:0x7f9b5353554e
[   42.492481][  T573] Code: 4d 89 d8 e8 b4 bd 00 00 4c 8b 5d f8 41 8b 93 08 03 00 00 59 5e 48 83 f8 fc 74 11 c9 c3 0f 1f 80 00 00 00 00 48 8b 45 10 0f 05 <c9> c3 83 e2 39 83 fa 08 75 e7 e8 03 ff ff ff 0f 1f 00 f3 0f 1e fa
All code
========
   0:	4d 89 d8             	mov    %r11,%r8
   3:	e8 b4 bd 00 00       	call   0xbdbc
   8:	4c 8b 5d f8          	mov    -0x8(%rbp),%r11
   c:	41 8b 93 08 03 00 00 	mov    0x308(%r11),%edx
  13:	59                   	pop    %rcx
  14:	5e                   	pop    %rsi
  15:	48 83 f8 fc          	cmp    $0xfffffffffffffffc,%rax
  19:	74 11                	je     0x2c
  1b:	c9                   	leave
  1c:	c3                   	ret
  1d:	0f 1f 80 00 00 00 00 	nopl   0x0(%rax)
  24:	48 8b 45 10          	mov    0x10(%rbp),%rax
  28:	0f 05                	syscall
  2a:*	c9                   	leave		<-- trapping instruction
  2b:	c3                   	ret
  2c:	83 e2 39             	and    $0x39,%edx
  2f:	83 fa 08             	cmp    $0x8,%edx
  32:	75 e7                	jne    0x1b
  34:	e8 03 ff ff ff       	call   0xffffffffffffff3c
  39:	0f 1f 00             	nopl   (%rax)
  3c:	f3 0f 1e fa          	endbr64

Code starting with the faulting instruction
===========================================
   0:	c9                   	leave
   1:	c3                   	ret
   2:	83 e2 39             	and    $0x39,%edx
   5:	83 fa 08             	cmp    $0x8,%edx
   8:	75 e7                	jne    0xfffffffffffffff1
   a:	e8 03 ff ff ff       	call   0xffffffffffffff12
   f:	0f 1f 00             	nopl   (%rax)
  12:	f3 0f 1e fa          	endbr64
[   42.492483][  T573] RSP: 002b:00007ffe6f71cd90 EFLAGS: 00000202 ORIG_RAX: 000000000000002e
[   42.492486][  T573] RAX: ffffffffffffffda RBX: 0000000000000003 RCX: 00007f9b5353554e
[   42.492487][  T573] RDX: 0000000000000000 RSI: 00007ffe6f71ce40 RDI: 0000000000000005
[   42.492488][  T573] RBP: 00007ffe6f71cda0 R08: 0000000000000000 R09: 0000000000000000
[   42.492489][  T573] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a916199
[   42.492490][  T573] R13: 00000000004a1620 R14: 0000000000000000 R15: 00007ffe6f71d510
| [   43.492717][  T582] softirqs last disabled at (24824): netif_change_name (./include/linux/spinlock.h:353 ./include/linux/seqlock.h:908 net/core/dev.c:1499)
| [   43.492719][  T582] Preemption disabled at:
| [   43.492720][  T582] vprintk_emit (kernel/printk/printk.c:2471)
| [   43.492729][  T582] Tainted: [W]=WARN
[   43.492729][  T582] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   43.492731][  T582] Call Trace:
[   43.492732][  T582]  <TASK>
[   43.492734][  T582]  dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120)
[   43.492739][  T582]  ? vprintk_emit (kernel/printk/printk.c:2471)
[   43.492741][  T582]  __might_resched.cold (kernel/sched/core.c:9234)
[   43.492745][  T582]  ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3))
[   43.492749][  T582]  ? __kmalloc_noprof (./include/linux/sched/mm.h:317 mm/slub.c:4636 mm/slub.c:4974 mm/slub.c:5413 mm/slub.c:5439)
[   43.492754][  T582]  __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))
[   43.492756][  T582]  ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[   43.492762][  T582]  ? 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)
[   43.492765][  T582]  alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[   43.492774][  T582]  put_chars (drivers/char/virtio_console.c:1176)
[   43.492777][  T582]  ? __send_to_port (drivers/char/virtio_console.c:654)
[   43.492780][  T582]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380)
[   43.492784][  T582]  ? validate_chain (kernel/locking/lockdep.c:3817 (discriminator 2) kernel/locking/lockdep.c:3837 (discriminator 2) kernel/locking/lockdep.c:3892 (discriminator 2))
[   43.492789][  T582]  hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2))
[   43.492793][  T582]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   43.492794][  T582]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   43.492799][  T582]  ? hvc_write (drivers/tty/hvc/hvc_console.c:501)
[   43.492802][  T582]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   43.492805][  T582]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   43.492809][  T582]  console_emit_next_record (kernel/printk/printk.c:3183)
[   43.492813][  T582]  ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20)
[   43.492814][  T582]  ? 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))
[   43.492817][  T582]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   43.492819][  T582]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   43.492823][  T582]  console_flush_one_record (kernel/printk/printk.c:3268)
[   43.492827][  T582]  ? console_emit_next_record (kernel/printk/printk.c:3150)
[   43.492828][  T582]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   43.492833][  T582]  console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420)
[   43.492836][  T582]  ? console_flush_one_record (kernel/printk/printk.c:3316)
[   43.492837][  T582]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   43.492839][  T582]  ? lock_acquire (kernel/locking/lockdep.c:5913)
[   43.492843][  T582]  ? __down_trylock_console_sem (kernel/printk/printk.c:334)
[   43.492844][  T582]  ? vprintk_emit (kernel/printk/printk.c:2478)
[   43.492847][  T582]  vprintk_emit (kernel/printk/printk.c:2479)
[   43.492851][  T582]  ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126))
[   43.492853][  T582]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   43.492855][  T582]  ? save_trace (kernel/locking/lockdep.c:154 (discriminator 6) kernel/locking/lockdep.c:150 (discriminator 6) kernel/locking/lockdep.c:202 (discriminator 6) kernel/locking/lockdep.c:577 (discriminator 6))
[   43.492857][  T582]  ? find_held_lock (kernel/locking/lockdep.c:5360)
[   43.492861][  T582]  _printk (kernel/printk/printk.c:2504)
[   43.492864][  T582]  ? snapshot_read.cold (user.c:?)
[   43.492866][  T582]  ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4116 (discriminator 3) kernel/rcu/tree.c:4108 (discriminator 3))
[   43.492869][  T582]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380)
[   43.492871][  T582]  ? validate_chain (kernel/locking/lockdep.c:3817 (discriminator 2) kernel/locking/lockdep.c:3837 (discriminator 2) kernel/locking/lockdep.c:3892 (discriminator 2))
[   43.492873][  T582]  ? netdev_name (./include/linux/netdevice.h:5709 (discriminator 1))
[   43.492876][  T582]  ? __netdev_printk (net/core/dev.c:13148 (discriminator 2))
[   43.492879][  T582]  ? do_setlink.isra.0 (net/core/rtnetlink.c:3246)
[   43.492881][  T582]  netdev_info (net/core/dev.c:13195 (discriminator 3))
[   43.492884][  T582]  ? netdev_notice (net/core/dev.c:13194)
[   43.492886][  T582]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[   43.492889][  T582]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554)
[   43.492892][  T582]  ? mark_held_locks (kernel/locking/lockdep.c:4341)
[   43.492896][  T582]  ? do_setlink.isra.0 (net/core/rtnetlink.c:3246)
[   43.492898][  T582]  netif_change_name.cold (net/core/dev.c:1507 (discriminator 3))
[   43.492901][  T582]  ? 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))
[   43.492907][  T582]  ? netdev_adjacent_rename_links (net/core/dev.c:9598)
[   43.492910][  T582]  ? __kernel_text_address (kernel/extable.c:79)
[   43.492913][  T582]  ? write_profile (profile.c:?)
[   43.492917][  T582]  ? __asan_memset (mm/kasan/shadow.c:84 (discriminator 1))
[   43.492922][  T582]  do_setlink.isra.0 (net/core/rtnetlink.c:3246)
[   43.492926][  T582]  ? stack_trace_save (kernel/stacktrace.c:122 (discriminator 1))
[   43.492928][  T582]  ? rtnl_link_get_size (net/core/rtnetlink.c:747)
[   43.492929][  T582]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:388 kernel/rcu/update.c:380)
[   43.492931][  T582]  ? stack_depot_save_flags (lib/stackdepot.c:609 (discriminator 2) lib/stackdepot.c:676 (discriminator 2))
[   43.492935][  T582]  ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4116 (discriminator 3) kernel/rcu/tree.c:4108 (discriminator 3))
[   43.492937][  T582]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380)
[   43.492939][  T582]  ? validate_chain (kernel/locking/lockdep.c:3817 (discriminator 2) kernel/locking/lockdep.c:3837 (discriminator 2) kernel/locking/lockdep.c:3892 (discriminator 2))
[   43.492942][  T582]  ? kasan_save_stack (mm/kasan/common.c:58)
[   43.492945][  T582]  ? kasan_save_stack (mm/kasan/common.c:57)
[   43.492947][  T582]  ? kasan_save_track (mm/kasan/common.c:78)
[   43.492950][  T582]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   43.492952][  T582]  ? netlink_update_listeners (net/netlink/af_netlink.c:532)
[   43.492954][  T582]  ? ___sys_sendmsg (net/socket.c:2744 net/socket.c:2763)
[   43.492959][  T582]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2))
[   43.492962][  T582]  ? rtnl_newlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:366 net/core/rtnetlink.c:4214)
[   43.492964][  T582]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   43.492966][  T582]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   43.492968][  T582]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   43.492969][  T582]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   43.492971][  T582]  ? trace_contention_end (./include/trace/events/lock.h:121 (discriminator 22))
[   43.492974][  T582]  ? __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)
[   43.492977][  T582]  ? __mutex_lock (kernel/locking/mutex.c:656 (discriminator 1) kernel/locking/mutex.c:821 (discriminator 1))
[   43.492980][  T582]  ? rtnl_newlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:366 net/core/rtnetlink.c:4214)
[   43.492983][  T582]  ? ww_mutex_lock (kernel/locking/mutex.c:934)
[   43.492985][  T582]  ? nla_get_range_signed (lib/nlattr.c:270)
[   43.492990][  T582]  ? __rtnl_newlink (net/core/rtnetlink.c:4063)
[   43.492996][  T582]  rtnl_newlink (net/core/rtnetlink.c:4215)
[   43.493001][  T582]  ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558)
[   43.493003][  T582]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   43.493007][  T582]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2))
[   43.493009][  T582]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[   43.493011][  T582]  ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558)
[   43.493013][  T582]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554)
[   43.493017][  T582]  ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558)
[   43.493019][  T582]  rtnetlink_rcv_msg (net/core/rtnetlink.c:7132)
[   43.493022][  T582]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   43.493023][  T582]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   43.493028][  T582]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2))
[   43.493030][  T582]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[   43.493034][  T582]  netlink_rcv_skb (net/netlink/af_netlink.c:2556)
[   43.493035][  T582]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   43.493039][  T582]  ? netlink_ack (./include/linux/skbuff.h:2718)
[   43.493046][  T582]  ? 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))
[   43.493047][  T582]  ? 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))
[   43.493052][  T582]  netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[   43.493055][  T582]  ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[   43.493058][  T582]  ? __lock_acquire (kernel/locking/lockdep.c:5251 (discriminator 3))
[   43.493062][  T582]  netlink_sendmsg (net/netlink/af_netlink.c:1900)
[   43.493066][  T582]  ? netlink_unicast (./include/net/net_namespace.h:422 (discriminator 7))
[   43.493067][  T582]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554)
[   43.493070][  T582]  ? __might_fault (mm/memory.c:7482 (discriminator 5))
[   43.493074][  T582]  ? __might_fault (mm/memory.c:7482 (discriminator 5))
[   43.493078][  T582]  ____sys_sendmsg (net/socket.c:800 (discriminator 4) net/socket.c:815 (discriminator 4) net/socket.c:2713 (discriminator 4))
[   43.493081][  T582]  ? copy_msghdr_from_user (net/socket.c:2650)
[   43.493083][  T582]  ? get_timestamp.constprop.0 (./include/linux/netdevice.h:5399)
[   43.493084][  T582]  ? move_addr_to_kernel (./include/linux/audit.h:354 (discriminator 1))
[   43.493092][  T582]  ___sys_sendmsg (net/socket.c:2767)
[   43.493095][  T582]  ? copy_msghdr_from_user (net/socket.c:2619)
[   43.493111][  T582]  __sys_sendmsg (net/socket.c:2799)
[   43.493114][  T582]  ? __sys_sendmsg_sock (net/socket.c:2780)
[   43.493121][  T582]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   43.493124][  T582]  do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84)
[   43.493126][  T582]  ? exc_page_fault (arch/x86/mm/fault.c:1489 (discriminator 3) arch/x86/mm/fault.c:1536 (discriminator 3))
[   43.493130][  T582]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[   43.493132][  T582] RIP: 0033:0x7fb21951b54e
[   43.493136][  T582] 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
[   43.493140][  T582] RSP: 002b:00007ffcdf3dcfb0 EFLAGS: 00000202 ORIG_RAX: 000000000000002e
[   43.493142][  T582] RAX: ffffffffffffffda RBX: 0000000000000003 RCX: 00007fb21951b54e
[   43.493144][  T582] RDX: 0000000000000000 RSI: 00007ffcdf3dd060 RDI: 0000000000000005
[   43.493145][  T582] RBP: 00007ffcdf3dcfc0 R08: 0000000000000000 R09: 0000000000000000
[   43.493146][  T582] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a91619a
[   43.493147][  T582] R13: 00000000004a1620 R14: 0000000000000000 R15: 00007ffcdf3dd730
| [   44.585545][  T592] softirqs last disabled at (20536): netif_change_name (./include/linux/spinlock.h:353 ./include/linux/seqlock.h:908 net/core/dev.c:1499)
| [   44.585548][  T592] Preemption disabled at:
| [   44.585549][  T592] vprintk_emit (kernel/printk/printk.c:2471)
| [   44.585557][  T592] Tainted: [W]=WARN
[   44.585558][  T592] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   44.585560][  T592] Call Trace:
[   44.585562][  T592]  <TASK>
[   44.585563][  T592]  dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120)
[   44.585568][  T592]  ? vprintk_emit (kernel/printk/printk.c:2471)
[   44.585569][  T592]  __might_resched.cold (kernel/sched/core.c:9234)
[   44.585574][  T592]  ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3))
[   44.585577][  T592]  ? __kmalloc_noprof (./include/linux/sched/mm.h:317 mm/slub.c:4636 mm/slub.c:4974 mm/slub.c:5413 mm/slub.c:5439)
[   44.585582][  T592]  __kmalloc_noprof (./include/linux/sched/mm.h:322 (discriminator 2) mm/slub.c:4636 (discriminator 2) mm/slub.c:4974 (discriminator 2) mm/slub.c:5413 (discriminator 2) mm/slub.c:5439 (discriminator 2))
[   44.585585][  T592]  ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[   44.585591][  T592]  ? do_raw_spin_unlock (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:32 ./include/asm-generic/qspinlock.h:58 kernel/locking/spinlock_debug.c:101 kernel/locking/spinlock_debug.c:141)
[   44.585594][  T592]  alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[   44.585598][  T592]  put_chars (drivers/char/virtio_console.c:1176)
[   44.585600][  T592]  ? __send_to_port (drivers/char/virtio_console.c:654)
[   44.585604][  T592]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380)
[   44.585607][  T592]  ? validate_chain (kernel/locking/lockdep.c:3817 (discriminator 2) kernel/locking/lockdep.c:3837 (discriminator 2) kernel/locking/lockdep.c:3892 (discriminator 2))
[   44.585612][  T592]  hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2))
[   44.585616][  T592]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   44.585618][  T592]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   44.585622][  T592]  ? hvc_write (drivers/tty/hvc/hvc_console.c:501)
[   44.585625][  T592]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   44.585628][  T592]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   44.585632][  T592]  console_emit_next_record (kernel/printk/printk.c:3183)
[   44.585636][  T592]  ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20)
[   44.585637][  T592]  ? console_flush_one_record (./include/linux/rcupdate.h:314 (discriminator 2) ./include/linux/srcu.h:439 (discriminator 2) kernel/printk/printk.c:291 (discriminator 2) kernel/printk/printk.c:3246 (discriminator 2))
[   44.585640][  T592]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   44.585642][  T592]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   44.585646][  T592]  console_flush_one_record (kernel/printk/printk.c:3268)
[   44.585649][  T592]  ? console_emit_next_record (kernel/printk/printk.c:3150)
[   44.585651][  T592]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   44.585656][  T592]  console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420)
[   44.585658][  T592]  ? console_flush_one_record (kernel/printk/printk.c:3316)
[   44.585660][  T592]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   44.585662][  T592]  ? lock_acquire (kernel/locking/lockdep.c:5913)
[   44.585665][  T592]  ? __down_trylock_console_sem (kernel/printk/printk.c:334)
[   44.585667][  T592]  ? vprintk_emit (kernel/printk/printk.c:2478)
[   44.585670][  T592]  vprintk_emit (kernel/printk/printk.c:2479)
[   44.585674][  T592]  ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126))
[   44.585676][  T592]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   44.585678][  T592]  ? save_trace (kernel/locking/lockdep.c:154 (discriminator 6) kernel/locking/lockdep.c:150 (discriminator 6) kernel/locking/lockdep.c:202 (discriminator 6) kernel/locking/lockdep.c:577 (discriminator 6))
[   44.585679][  T592]  ? find_held_lock (kernel/locking/lockdep.c:5360)
[   44.585683][  T592]  _printk (kernel/printk/printk.c:2504)
[   44.585687][  T592]  ? snapshot_read.cold (user.c:?)
[   44.585688][  T592]  ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4116 (discriminator 3) kernel/rcu/tree.c:4108 (discriminator 3))
[   44.585691][  T592]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380)
[   44.585693][  T592]  ? validate_chain (kernel/locking/lockdep.c:3817 (discriminator 2) kernel/locking/lockdep.c:3837 (discriminator 2) kernel/locking/lockdep.c:3892 (discriminator 2))
[   44.585696][  T592]  ? netdev_name (./include/linux/netdevice.h:5709 (discriminator 1))
[   44.585699][  T592]  ? __netdev_printk (net/core/dev.c:13148 (discriminator 2))
[   44.585701][  T592]  ? do_setlink.isra.0 (net/core/rtnetlink.c:3246)
[   44.585703][  T592]  netdev_info (net/core/dev.c:13195 (discriminator 3))
[   44.585706][  T592]  ? netdev_notice (net/core/dev.c:13194)
[   44.585709][  T592]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[   44.585712][  T592]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554)
[   44.585714][  T592]  ? mark_held_locks (kernel/locking/lockdep.c:4341)
[   44.585718][  T592]  ? do_setlink.isra.0 (net/core/rtnetlink.c:3246)
[   44.585720][  T592]  netif_change_name.cold (net/core/dev.c:1507 (discriminator 3))
[   44.585723][  T592]  ? is_bpf_text_address (./include/linux/rcupdate.h:319 (discriminator 2) ./include/linux/rcupdate.h:880 (discriminator 2) kernel/bpf/core.c:751 (discriminator 2))
[   44.585729][  T592]  ? netdev_adjacent_rename_links (net/core/dev.c:9598)
[   44.585731][  T592]  ? __kernel_text_address (kernel/extable.c:79)
[   44.585734][  T592]  ? write_profile (profile.c:?)
[   44.585738][  T592]  ? __asan_memset (mm/kasan/shadow.c:84 (discriminator 1))
[   44.585743][  T592]  do_setlink.isra.0 (net/core/rtnetlink.c:3246)
[   44.585747][  T592]  ? stack_trace_save (kernel/stacktrace.c:122 (discriminator 1))
[   44.585750][  T592]  ? rtnl_link_get_size (net/core/rtnetlink.c:747)
[   44.585751][  T592]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:388 kernel/rcu/update.c:380)
[   44.585753][  T592]  ? stack_depot_save_flags (lib/stackdepot.c:609 (discriminator 2) lib/stackdepot.c:676 (discriminator 2))
[   44.585757][  T592]  ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4116 (discriminator 3) kernel/rcu/tree.c:4108 (discriminator 3))
[   44.585759][  T592]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380)
[   44.585761][  T592]  ? validate_chain (kernel/locking/lockdep.c:3817 (discriminator 2) kernel/locking/lockdep.c:3837 (discriminator 2) kernel/locking/lockdep.c:3892 (discriminator 2))
[   44.585764][  T592]  ? kasan_save_stack (mm/kasan/common.c:58)
[   44.585766][  T592]  ? kasan_save_stack (mm/kasan/common.c:57)
[   44.585768][  T592]  ? kasan_save_track (mm/kasan/common.c:78)
[   44.585771][  T592]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   44.585777][  T592]  ? netlink_update_listeners (net/netlink/af_netlink.c:532)
[   44.585781][  T592]  ? ___sys_sendmsg (net/socket.c:2744 net/socket.c:2763)
[   44.585786][  T592]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2))
[   44.585788][  T592]  ? rtnl_newlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:366 net/core/rtnetlink.c:4214)
[   44.585790][  T592]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   44.585792][  T592]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   44.585794][  T592]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   44.585795][  T592]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   44.585797][  T592]  ? trace_contention_end (./include/trace/events/lock.h:121 (discriminator 22))
[   44.585800][  T592]  ? __mutex_lock (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:3188 kernel/locking/mutex.c:89 kernel/locking/mutex.c:134 kernel/locking/mutex.c:649 kernel/locking/mutex.c:821)
[   44.585803][  T592]  ? __mutex_lock (kernel/locking/mutex.c:656 (discriminator 1) kernel/locking/mutex.c:821 (discriminator 1))
[   44.585805][  T592]  ? rtnl_newlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:366 net/core/rtnetlink.c:4214)
[   44.585809][  T592]  ? ww_mutex_lock (kernel/locking/mutex.c:934)
[   44.585811][  T592]  ? nla_get_range_signed (lib/nlattr.c:270)
[   44.585816][  T592]  ? __rtnl_newlink (net/core/rtnetlink.c:4063)
[   44.585821][  T592]  rtnl_newlink (net/core/rtnetlink.c:4215)
[   44.585827][  T592]  ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558)
[   44.585829][  T592]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   44.585833][  T592]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2))
[   44.585835][  T592]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[   44.585837][  T592]  ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558)
[   44.585839][  T592]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554)
[   44.585843][  T592]  ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558)
[   44.585845][  T592]  rtnetlink_rcv_msg (net/core/rtnetlink.c:7132)
[   44.585849][  T592]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   44.585850][  T592]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   44.585854][  T592]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2))
[   44.585857][  T592]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[   44.585860][  T592]  netlink_rcv_skb (net/netlink/af_netlink.c:2556)
[   44.585862][  T592]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   44.585865][  T592]  ? netlink_ack (./include/linux/skbuff.h:2718)
[   44.585871][  T592]  ? netlink_deliver_tap (./include/linux/rcupdate.h:319 (discriminator 2) ./include/linux/rcupdate.h:880 (discriminator 2) ./include/net/netns/generic.h:48 (discriminator 2) net/netlink/af_netlink.c:334 (discriminator 2))
[   44.585873][  T592]  ? netlink_deliver_tap (./include/linux/rcupdate.h:319 (discriminator 2) ./include/linux/rcupdate.h:880 (discriminator 2) net/netlink/af_netlink.c:341 (discriminator 2))
[   44.585877][  T592]  netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[   44.585881][  T592]  ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[   44.585884][  T592]  ? __lock_acquire (kernel/locking/lockdep.c:5251 (discriminator 3))
[   44.585888][  T592]  netlink_sendmsg (net/netlink/af_netlink.c:1900)
[   44.585892][  T592]  ? netlink_unicast (./include/net/net_namespace.h:422 (discriminator 7))
[   44.585893][  T592]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554)
[   44.585896][  T592]  ? __might_fault (mm/memory.c:7482 (discriminator 5))
[   44.585900][  T592]  ? __might_fault (mm/memory.c:7482 (discriminator 5))
[   44.585904][  T592]  ____sys_sendmsg (net/socket.c:800 (discriminator 4) net/socket.c:815 (discriminator 4) net/socket.c:2713 (discriminator 4))
[   44.585906][  T592]  ? copy_msghdr_from_user (net/socket.c:2650)
[   44.585909][  T592]  ? get_timestamp.constprop.0 (./include/linux/netdevice.h:5399)
[   44.585910][  T592]  ? move_addr_to_kernel (./include/linux/audit.h:354 (discriminator 1))
[   44.585917][  T592]  ___sys_sendmsg (net/socket.c:2767)
[   44.585920][  T592]  ? copy_msghdr_from_user (net/socket.c:2619)
[   44.585936][  T592]  __sys_sendmsg (net/socket.c:2799)
[   44.585939][  T592]  ? __sys_sendmsg_sock (net/socket.c:2780)
[   44.585945][  T592]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   44.585949][  T592]  do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84)
[   44.585951][  T592]  ? exc_page_fault (arch/x86/mm/fault.c:1489 (discriminator 3) arch/x86/mm/fault.c:1536 (discriminator 3))
[   44.585955][  T592]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[   44.585957][  T592] RIP: 0033:0x7f47f4bc854e
[   44.585960][  T592] Code: 4d 89 d8 e8 b4 bd 00 00 4c 8b 5d f8 41 8b 93 08 03 00 00 59 5e 48 83 f8 fc 74 11 c9 c3 0f 1f 80 00 00 00 00 48 8b 45 10 0f 05 <c9> c3 83 e2 39 83 fa 08 75 e7 e8 03 ff ff ff 0f 1f 00 f3 0f 1e fa
All code
========
   0:	4d 89 d8             	mov    %r11,%r8
   3:	e8 b4 bd 00 00       	call   0xbdbc
   8:	4c 8b 5d f8          	mov    -0x8(%rbp),%r11
   c:	41 8b 93 08 03 00 00 	mov    0x308(%r11),%edx
  13:	59                   	pop    %rcx
  14:	5e                   	pop    %rsi
  15:	48 83 f8 fc          	cmp    $0xfffffffffffffffc,%rax
  19:	74 11                	je     0x2c
  1b:	c9                   	leave
  1c:	c3                   	ret
  1d:	0f 1f 80 00 00 00 00 	nopl   0x0(%rax)
  24:	48 8b 45 10          	mov    0x10(%rbp),%rax
  28:	0f 05                	syscall
  2a:*	c9                   	leave		<-- trapping instruction
  2b:	c3                   	ret
  2c:	83 e2 39             	and    $0x39,%edx
  2f:	83 fa 08             	cmp    $0x8,%edx
  32:	75 e7                	jne    0x1b
  34:	e8 03 ff ff ff       	call   0xffffffffffffff3c
  39:	0f 1f 00             	nopl   (%rax)
  3c:	f3 0f 1e fa          	endbr64

Code starting with the faulting instruction
===========================================
   0:	c9                   	leave
   1:	c3                   	ret
   2:	83 e2 39             	and    $0x39,%edx
   5:	83 fa 08             	cmp    $0x8,%edx
   8:	75 e7                	jne    0xfffffffffffffff1
   a:	e8 03 ff ff ff       	call   0xffffffffffffff12
   f:	0f 1f 00             	nopl   (%rax)
  12:	f3 0f 1e fa          	endbr64
[   44.585962][  T592] RSP: 002b:00007ffca5d1f240 EFLAGS: 00000202 ORIG_RAX: 000000000000002e
[   44.585965][  T592] RAX: ffffffffffffffda RBX: 0000000000000003 RCX: 00007f47f4bc854e
[   44.585966][  T592] RDX: 0000000000000000 RSI: 00007ffca5d1f2f0 RDI: 0000000000000005
[   44.585967][  T592] RBP: 00007ffca5d1f250 R08: 0000000000000000 R09: 0000000000000000
[   44.585968][  T592] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a91619c
[   44.585969][  T592] R13: 00000000004a1620 R14: 0000000000000000 R15: 00007ffca5d1f9c0
| [   45.662909][  T602] softirqs last disabled at (21380): netif_change_name (./include/linux/spinlock.h:353 ./include/linux/seqlock.h:908 net/core/dev.c:1499)
| [   45.662912][  T602] Preemption disabled at:
| [   45.662912][  T602] vprintk_emit (kernel/printk/printk.c:2471)
| [   45.662921][  T602] Tainted: [W]=WARN
[   45.662923][  T602] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   45.662924][  T602] Call Trace:
[   45.662926][  T602]  <TASK>
[   45.662927][  T602]  dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120)
[   45.662933][  T602]  ? vprintk_emit (kernel/printk/printk.c:2471)
[   45.662934][  T602]  __might_resched.cold (kernel/sched/core.c:9234)
[   45.662939][  T602]  ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3))
[   45.662942][  T602]  ? __kmalloc_noprof (./include/linux/sched/mm.h:317 mm/slub.c:4636 mm/slub.c:4974 mm/slub.c:5413 mm/slub.c:5439)
[   45.662947][  T602]  __kmalloc_noprof (./include/linux/sched/mm.h:322 (discriminator 2) mm/slub.c:4636 (discriminator 2) mm/slub.c:4974 (discriminator 2) mm/slub.c:5413 (discriminator 2) mm/slub.c:5439 (discriminator 2))
[   45.662950][  T602]  ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[   45.662956][  T602]  ? do_raw_spin_unlock (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:32 ./include/asm-generic/qspinlock.h:58 kernel/locking/spinlock_debug.c:101 kernel/locking/spinlock_debug.c:141)
[   45.662959][  T602]  alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[   45.662963][  T602]  put_chars (drivers/char/virtio_console.c:1176)
[   45.662966][  T602]  ? __send_to_port (drivers/char/virtio_console.c:654)
[   45.662970][  T602]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380)
[   45.662974][  T602]  ? validate_chain (kernel/locking/lockdep.c:3817 (discriminator 2) kernel/locking/lockdep.c:3837 (discriminator 2) kernel/locking/lockdep.c:3892 (discriminator 2))
[   45.662979][  T602]  hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2))
[   45.662982][  T602]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   45.662984][  T602]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   45.662989][  T602]  ? hvc_write (drivers/tty/hvc/hvc_console.c:501)
[   45.662993][  T602]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   45.662996][  T602]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   45.663000][  T602]  console_emit_next_record (kernel/printk/printk.c:3183)
[   45.663004][  T602]  ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20)
[   45.663005][  T602]  ? console_flush_one_record (./include/linux/rcupdate.h:314 (discriminator 2) ./include/linux/srcu.h:439 (discriminator 2) kernel/printk/printk.c:291 (discriminator 2) kernel/printk/printk.c:3246 (discriminator 2))
[   45.663008][  T602]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   45.663010][  T602]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   45.663014][  T602]  console_flush_one_record (kernel/printk/printk.c:3268)
[   45.663018][  T602]  ? console_emit_next_record (kernel/printk/printk.c:3150)
[   45.663020][  T602]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   45.663025][  T602]  console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420)
[   45.663028][  T602]  ? console_flush_one_record (kernel/printk/printk.c:3316)
[   45.663029][  T602]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   45.663031][  T602]  ? lock_acquire (kernel/locking/lockdep.c:5913)
[   45.663035][  T602]  ? __down_trylock_console_sem (kernel/printk/printk.c:334)
[   45.663037][  T602]  ? vprintk_emit (kernel/printk/printk.c:2478)
[   45.663040][  T602]  vprintk_emit (kernel/printk/printk.c:2479)
[   45.663044][  T602]  ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126))
[   45.663046][  T602]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   45.663048][  T602]  ? save_trace (kernel/locking/lockdep.c:154 (discriminator 6) kernel/locking/lockdep.c:150 (discriminator 6) kernel/locking/lockdep.c:202 (discriminator 6) kernel/locking/lockdep.c:577 (discriminator 6))
[   45.663050][  T602]  ? find_held_lock (kernel/locking/lockdep.c:5360)
[   45.663054][  T602]  _printk (kernel/printk/printk.c:2504)
[   45.663058][  T602]  ? snapshot_read.cold (user.c:?)
[   45.663060][  T602]  ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4116 (discriminator 3) kernel/rcu/tree.c:4108 (discriminator 3))
[   45.663063][  T602]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380)
[   45.663065][  T602]  ? validate_chain (kernel/locking/lockdep.c:3817 (discriminator 2) kernel/locking/lockdep.c:3837 (discriminator 2) kernel/locking/lockdep.c:3892 (discriminator 2))
[   45.663067][  T602]  ? netdev_name (./include/linux/netdevice.h:5709 (discriminator 1))
[   45.663070][  T602]  ? __netdev_printk (net/core/dev.c:13148 (discriminator 2))
[   45.663073][  T602]  ? do_setlink.isra.0 (net/core/rtnetlink.c:3246)
[   45.663076][  T602]  netdev_info (net/core/dev.c:13195 (discriminator 3))
[   45.663078][  T602]  ? netdev_notice (net/core/dev.c:13194)
[   45.663081][  T602]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[   45.663084][  T602]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554)
[   45.663087][  T602]  ? mark_held_locks (kernel/locking/lockdep.c:4341)
[   45.663091][  T602]  ? do_setlink.isra.0 (net/core/rtnetlink.c:3246)
[   45.663093][  T602]  netif_change_name.cold (net/core/dev.c:1507 (discriminator 3))
[   45.663096][  T602]  ? is_bpf_text_address (./include/linux/rcupdate.h:319 (discriminator 2) ./include/linux/rcupdate.h:880 (discriminator 2) kernel/bpf/core.c:751 (discriminator 2))
[   45.663103][  T602]  ? netdev_adjacent_rename_links (net/core/dev.c:9598)
[   45.663106][  T602]  ? __kernel_text_address (kernel/extable.c:79)
[   45.663108][  T602]  ? write_profile (profile.c:?)
[   45.663112][  T602]  ? __asan_memset (mm/kasan/shadow.c:84 (discriminator 1))
[   45.663118][  T602]  do_setlink.isra.0 (net/core/rtnetlink.c:3246)
[   45.663122][  T602]  ? stack_trace_save (kernel/stacktrace.c:122 (discriminator 1))
[   45.663124][  T602]  ? rtnl_link_get_size (net/core/rtnetlink.c:747)
[   45.663126][  T602]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:388 kernel/rcu/update.c:380)
[   45.663128][  T602]  ? stack_depot_save_flags (lib/stackdepot.c:609 (discriminator 2) lib/stackdepot.c:676 (discriminator 2))
[   45.663132][  T602]  ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4116 (discriminator 3) kernel/rcu/tree.c:4108 (discriminator 3))
[   45.663134][  T602]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380)
[   45.663136][  T602]  ? validate_chain (kernel/locking/lockdep.c:3817 (discriminator 2) kernel/locking/lockdep.c:3837 (discriminator 2) kernel/locking/lockdep.c:3892 (discriminator 2))
[   45.663141][  T602]  ? kasan_save_stack (mm/kasan/common.c:58)
[   45.663144][  T602]  ? kasan_save_stack (mm/kasan/common.c:57)
[   45.663145][  T602]  ? kasan_save_track (mm/kasan/common.c:78)
[   45.663148][  T602]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   45.663151][  T602]  ? netlink_update_listeners (net/netlink/af_netlink.c:532)
[   45.663154][  T602]  ? ___sys_sendmsg (net/socket.c:2744 net/socket.c:2763)
[   45.663159][  T602]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2))
[   45.663161][  T602]  ? rtnl_newlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:366 net/core/rtnetlink.c:4214)
[   45.663164][  T602]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   45.663166][  T602]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   45.663168][  T602]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   45.663169][  T602]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   45.663171][  T602]  ? trace_contention_end (./include/trace/events/lock.h:121 (discriminator 22))
[   45.663173][  T602]  ? __mutex_lock (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:3188 kernel/locking/mutex.c:89 kernel/locking/mutex.c:134 kernel/locking/mutex.c:649 kernel/locking/mutex.c:821)
[   45.663177][  T602]  ? __mutex_lock (kernel/locking/mutex.c:656 (discriminator 1) kernel/locking/mutex.c:821 (discriminator 1))
[   45.663179][  T602]  ? rtnl_newlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:366 net/core/rtnetlink.c:4214)
[   45.663183][  T602]  ? ww_mutex_lock (kernel/locking/mutex.c:934)
[   45.663185][  T602]  ? nla_get_range_signed (lib/nlattr.c:270)
[   45.663191][  T602]  ? __rtnl_newlink (net/core/rtnetlink.c:4063)
[   45.663196][  T602]  rtnl_newlink (net/core/rtnetlink.c:4215)
[   45.663202][  T602]  ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558)
[   45.663203][  T602]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   45.663208][  T602]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2))
[   45.663211][  T602]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[   45.663213][  T602]  ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558)
[   45.663215][  T602]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554)
[   45.663219][  T602]  ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558)
[   45.663221][  T602]  rtnetlink_rcv_msg (net/core/rtnetlink.c:7132)
[   45.663224][  T602]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   45.663225][  T602]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   45.663230][  T602]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2))
[   45.663232][  T602]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[   45.663236][  T602]  netlink_rcv_skb (net/netlink/af_netlink.c:2556)
[   45.663238][  T602]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   45.663241][  T602]  ? netlink_ack (./include/linux/skbuff.h:2718)
[   45.663247][  T602]  ? netlink_deliver_tap (./include/linux/rcupdate.h:319 (discriminator 2) ./include/linux/rcupdate.h:880 (discriminator 2) ./include/net/netns/generic.h:48 (discriminator 2) net/netlink/af_netlink.c:334 (discriminator 2))
[   45.663249][  T602]  ? netlink_deliver_tap (./include/linux/rcupdate.h:319 (discriminator 2) ./include/linux/rcupdate.h:880 (discriminator 2) net/netlink/af_netlink.c:341 (discriminator 2))
[   45.663253][  T602]  netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[   45.663257][  T602]  ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[   45.663260][  T602]  ? __lock_acquire (kernel/locking/lockdep.c:5251 (discriminator 3))
[   45.663265][  T602]  netlink_sendmsg (net/netlink/af_netlink.c:1900)
[   45.663268][  T602]  ? netlink_unicast (./include/net/net_namespace.h:422 (discriminator 7))
[   45.663270][  T602]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554)
[   45.663273][  T602]  ? __might_fault (mm/memory.c:7482 (discriminator 5))
[   45.663277][  T602]  ? __might_fault (mm/memory.c:7482 (discriminator 5))
[   45.663281][  T602]  ____sys_sendmsg (net/socket.c:800 (discriminator 4) net/socket.c:815 (discriminator 4) net/socket.c:2713 (discriminator 4))
[   45.663284][  T602]  ? copy_msghdr_from_user (net/socket.c:2650)
[   45.663286][  T602]  ? get_timestamp.constprop.0 (./include/linux/netdevice.h:5399)
[   45.663288][  T602]  ? move_addr_to_kernel (./include/linux/audit.h:354 (discriminator 1))
[   45.663295][  T602]  ___sys_sendmsg (net/socket.c:2767)
[   45.663298][  T602]  ? copy_msghdr_from_user (net/socket.c:2619)
[   45.663315][  T602]  __sys_sendmsg (net/socket.c:2799)
[   45.663318][  T602]  ? __sys_sendmsg_sock (net/socket.c:2780)
[   45.663325][  T602]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   45.663328][  T602]  do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84)
[   45.663331][  T602]  ? exc_page_fault (arch/x86/mm/fault.c:1489 (discriminator 3) arch/x86/mm/fault.c:1536 (discriminator 3))
[   45.663334][  T602]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[   45.663336][  T602] RIP: 0033:0x7ff28f40e54e
[   45.663340][  T602] Code: 4d 89 d8 e8 b4 bd 00 00 4c 8b 5d f8 41 8b 93 08 03 00 00 59 5e 48 83 f8 fc 74 11 c9 c3 0f 1f 80 00 00 00 00 48 8b 45 10 0f 05 <c9> c3 83 e2 39 83 fa 08 75 e7 e8 03 ff ff ff 0f 1f 00 f3 0f 1e fa
All code
========
   0:	4d 89 d8             	mov    %r11,%r8
   3:	e8 b4 bd 00 00       	call   0xbdbc
   8:	4c 8b 5d f8          	mov    -0x8(%rbp),%r11
   c:	41 8b 93 08 03 00 00 	mov    0x308(%r11),%edx
  13:	59                   	pop    %rcx
  14:	5e                   	pop    %rsi
  15:	48 83 f8 fc          	cmp    $0xfffffffffffffffc,%rax
  19:	74 11                	je     0x2c
  1b:	c9                   	leave
  1c:	c3                   	ret
  1d:	0f 1f 80 00 00 00 00 	nopl   0x0(%rax)
  24:	48 8b 45 10          	mov    0x10(%rbp),%rax
  28:	0f 05                	syscall
  2a:*	c9                   	leave		<-- trapping instruction
  2b:	c3                   	ret
  2c:	83 e2 39             	and    $0x39,%edx
  2f:	83 fa 08             	cmp    $0x8,%edx
  32:	75 e7                	jne    0x1b
  34:	e8 03 ff ff ff       	call   0xffffffffffffff3c
  39:	0f 1f 00             	nopl   (%rax)
  3c:	f3 0f 1e fa          	endbr64

Code starting with the faulting instruction
===========================================
   0:	c9                   	leave
   1:	c3                   	ret
   2:	83 e2 39             	and    $0x39,%edx
   5:	83 fa 08             	cmp    $0x8,%edx
   8:	75 e7                	jne    0xfffffffffffffff1
   a:	e8 03 ff ff ff       	call   0xffffffffffffff12
   f:	0f 1f 00             	nopl   (%rax)
  12:	f3 0f 1e fa          	endbr64
[   45.663342][  T602] RSP: 002b:00007ffe83cbf3d0 EFLAGS: 00000202 ORIG_RAX: 000000000000002e
[   45.663345][  T602] RAX: ffffffffffffffda RBX: 0000000000000003 RCX: 00007ff28f40e54e
[   45.663346][  T602] RDX: 0000000000000000 RSI: 00007ffe83cbf480 RDI: 0000000000000005
[   45.663347][  T602] RBP: 00007ffe83cbf3e0 R08: 0000000000000000 R09: 0000000000000000
[   45.663348][  T602] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a91619d
[   45.663349][  T602] R13: 00000000004a1620 R14: 0000000000000000 R15: 00007ffe83cbfb50
| [   46.707137][  T612] softirqs last disabled at (20572): netif_change_name (./include/linux/spinlock.h:353 ./include/linux/seqlock.h:908 net/core/dev.c:1499)
| [   46.707142][  T612] Preemption disabled at:
| [   46.707143][  T612] vprintk_emit (kernel/printk/printk.c:2471)
| [   46.707151][  T612] Tainted: [W]=WARN
[   46.707152][  T612] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   46.707154][  T612] Call Trace:
[   46.707156][  T612]  <TASK>
[   46.707157][  T612]  dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120)
[   46.707162][  T612]  ? vprintk_emit (kernel/printk/printk.c:2471)
[   46.707164][  T612]  __might_resched.cold (kernel/sched/core.c:9234)
[   46.707169][  T612]  ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3))
[   46.707172][  T612]  ? __kmalloc_noprof (./include/linux/sched/mm.h:317 mm/slub.c:4636 mm/slub.c:4974 mm/slub.c:5413 mm/slub.c:5439)
[   46.707177][  T612]  __kmalloc_noprof (./include/linux/sched/mm.h:322 (discriminator 2) mm/slub.c:4636 (discriminator 2) mm/slub.c:4974 (discriminator 2) mm/slub.c:5413 (discriminator 2) mm/slub.c:5439 (discriminator 2))
[   46.707180][  T612]  ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[   46.707186][  T612]  ? do_raw_spin_unlock (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:32 ./include/asm-generic/qspinlock.h:58 kernel/locking/spinlock_debug.c:101 kernel/locking/spinlock_debug.c:141)
[   46.707189][  T612]  alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[   46.707193][  T612]  put_chars (drivers/char/virtio_console.c:1176)
[   46.707196][  T612]  ? __send_to_port (drivers/char/virtio_console.c:654)
[   46.707200][  T612]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380)
[   46.707203][  T612]  ? validate_chain (kernel/locking/lockdep.c:3817 (discriminator 2) kernel/locking/lockdep.c:3837 (discriminator 2) kernel/locking/lockdep.c:3892 (discriminator 2))
[   46.707208][  T612]  hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2))
[   46.707212][  T612]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   46.707213][  T612]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   46.707218][  T612]  ? hvc_write (drivers/tty/hvc/hvc_console.c:501)
[   46.707222][  T612]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   46.707224][  T612]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   46.707229][  T612]  console_emit_next_record (kernel/printk/printk.c:3183)
[   46.707232][  T612]  ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20)
[   46.707233][  T612]  ? console_flush_one_record (./include/linux/rcupdate.h:314 (discriminator 2) ./include/linux/srcu.h:439 (discriminator 2) kernel/printk/printk.c:291 (discriminator 2) kernel/printk/printk.c:3246 (discriminator 2))
[   46.707236][  T612]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   46.707238][  T612]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   46.707242][  T612]  console_flush_one_record (kernel/printk/printk.c:3268)
[   46.707246][  T612]  ? console_emit_next_record (kernel/printk/printk.c:3150)
[   46.707247][  T612]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   46.707253][  T612]  console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420)
[   46.707255][  T612]  ? console_flush_one_record (kernel/printk/printk.c:3316)
[   46.707257][  T612]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   46.707259][  T612]  ? lock_acquire (kernel/locking/lockdep.c:5913)
[   46.707262][  T612]  ? __down_trylock_console_sem (kernel/printk/printk.c:334)
[   46.707264][  T612]  ? vprintk_emit (kernel/printk/printk.c:2478)
[   46.707267][  T612]  vprintk_emit (kernel/printk/printk.c:2479)
[   46.707271][  T612]  ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126))
[   46.707273][  T612]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   46.707275][  T612]  ? save_trace (kernel/locking/lockdep.c:154 (discriminator 6) kernel/locking/lockdep.c:150 (discriminator 6) kernel/locking/lockdep.c:202 (discriminator 6) kernel/locking/lockdep.c:577 (discriminator 6))
[   46.707277][  T612]  ? find_held_lock (kernel/locking/lockdep.c:5360)
[   46.707281][  T612]  _printk (kernel/printk/printk.c:2504)
[   46.707285][  T612]  ? snapshot_read.cold (user.c:?)
[   46.707286][  T612]  ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4116 (discriminator 3) kernel/rcu/tree.c:4108 (discriminator 3))
[   46.707289][  T612]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380)
[   46.707292][  T612]  ? validate_chain (kernel/locking/lockdep.c:3817 (discriminator 2) kernel/locking/lockdep.c:3837 (discriminator 2) kernel/locking/lockdep.c:3892 (discriminator 2))
[   46.707294][  T612]  ? netdev_name (./include/linux/netdevice.h:5709 (discriminator 1))
[   46.707297][  T612]  ? __netdev_printk (net/core/dev.c:13148 (discriminator 2))
[   46.707300][  T612]  ? do_setlink.isra.0 (net/core/rtnetlink.c:3246)
[   46.707302][  T612]  netdev_info (net/core/dev.c:13195 (discriminator 3))
[   46.707305][  T612]  ? netdev_notice (net/core/dev.c:13194)
[   46.707307][  T612]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[   46.707310][  T612]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554)
[   46.707313][  T612]  ? mark_held_locks (kernel/locking/lockdep.c:4341)
[   46.707317][  T612]  ? do_setlink.isra.0 (net/core/rtnetlink.c:3246)
[   46.707319][  T612]  netif_change_name.cold (net/core/dev.c:1507 (discriminator 3))
[   46.707322][  T612]  ? is_bpf_text_address (./include/linux/rcupdate.h:319 (discriminator 2) ./include/linux/rcupdate.h:880 (discriminator 2) kernel/bpf/core.c:751 (discriminator 2))
[   46.707328][  T612]  ? netdev_adjacent_rename_links (net/core/dev.c:9598)
[   46.707331][  T612]  ? __kernel_text_address (kernel/extable.c:79)
[   46.707334][  T612]  ? write_profile (profile.c:?)
[   46.707338][  T612]  ? __asan_memset (mm/kasan/shadow.c:84 (discriminator 1))
[   46.707343][  T612]  do_setlink.isra.0 (net/core/rtnetlink.c:3246)
[   46.707347][  T612]  ? stack_trace_save (kernel/stacktrace.c:122 (discriminator 1))
[   46.707349][  T612]  ? rtnl_link_get_size (net/core/rtnetlink.c:747)
[   46.707350][  T612]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:388 kernel/rcu/update.c:380)
[   46.707352][  T612]  ? stack_depot_save_flags (lib/stackdepot.c:609 (discriminator 2) lib/stackdepot.c:676 (discriminator 2))
[   46.707356][  T612]  ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4116 (discriminator 3) kernel/rcu/tree.c:4108 (discriminator 3))
[   46.707358][  T612]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380)
[   46.707360][  T612]  ? validate_chain (kernel/locking/lockdep.c:3817 (discriminator 2) kernel/locking/lockdep.c:3837 (discriminator 2) kernel/locking/lockdep.c:3892 (discriminator 2))
[   46.707363][  T612]  ? kasan_save_stack (mm/kasan/common.c:58)
[   46.707366][  T612]  ? kasan_save_stack (mm/kasan/common.c:57)
[   46.707368][  T612]  ? kasan_save_track (mm/kasan/common.c:78)
[   46.707371][  T612]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   46.707373][  T612]  ? netlink_update_listeners (net/netlink/af_netlink.c:532)
[   46.707376][  T612]  ? ___sys_sendmsg (net/socket.c:2744 net/socket.c:2763)
[   46.707381][  T612]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2))
[   46.707383][  T612]  ? rtnl_newlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:366 net/core/rtnetlink.c:4214)
[   46.707385][  T612]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   46.707387][  T612]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   46.707389][  T612]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   46.707390][  T612]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   46.707392][  T612]  ? trace_contention_end (./include/trace/events/lock.h:121 (discriminator 22))
[   46.707395][  T612]  ? __mutex_lock (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:3188 kernel/locking/mutex.c:89 kernel/locking/mutex.c:134 kernel/locking/mutex.c:649 kernel/locking/mutex.c:821)
[   46.707398][  T612]  ? __mutex_lock (kernel/locking/mutex.c:656 (discriminator 1) kernel/locking/mutex.c:821 (discriminator 1))
[   46.707401][  T612]  ? rtnl_newlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:366 net/core/rtnetlink.c:4214)
[   46.707404][  T612]  ? ww_mutex_lock (kernel/locking/mutex.c:934)
[   46.707406][  T612]  ? nla_get_range_signed (lib/nlattr.c:270)
[   46.707412][  T612]  ? __rtnl_newlink (net/core/rtnetlink.c:4063)
[   46.707418][  T612]  rtnl_newlink (net/core/rtnetlink.c:4215)
[   46.707423][  T612]  ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558)
[   46.707425][  T612]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   46.707430][  T612]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2))
[   46.707432][  T612]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[   46.707434][  T612]  ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558)
[   46.707436][  T612]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554)
[   46.707440][  T612]  ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558)
[   46.707442][  T612]  rtnetlink_rcv_msg (net/core/rtnetlink.c:7132)
[   46.707445][  T612]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   46.707446][  T612]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   46.707451][  T612]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2))
[   46.707453][  T612]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[   46.707457][  T612]  netlink_rcv_skb (net/netlink/af_netlink.c:2556)
[   46.707458][  T612]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   46.707461][  T612]  ? netlink_ack (./include/linux/skbuff.h:2718)
[   46.707467][  T612]  ? netlink_deliver_tap (./include/linux/rcupdate.h:319 (discriminator 2) ./include/linux/rcupdate.h:880 (discriminator 2) ./include/net/netns/generic.h:48 (discriminator 2) net/netlink/af_netlink.c:334 (discriminator 2))
[   46.707469][  T612]  ? netlink_deliver_tap (./include/linux/rcupdate.h:319 (discriminator 2) ./include/linux/rcupdate.h:880 (discriminator 2) net/netlink/af_netlink.c:341 (discriminator 2))
[   46.707473][  T612]  netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[   46.707477][  T612]  ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[   46.707480][  T612]  ? __lock_acquire (kernel/locking/lockdep.c:5251 (discriminator 3))
[   46.707484][  T612]  netlink_sendmsg (net/netlink/af_netlink.c:1900)
[   46.707488][  T612]  ? netlink_unicast (./include/net/net_namespace.h:422 (discriminator 7))
[   46.707489][  T612]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554)
[   46.707493][  T612]  ? __might_fault (mm/memory.c:7482 (discriminator 5))
[   46.707496][  T612]  ? __might_fault (mm/memory.c:7482 (discriminator 5))
[   46.707500][  T612]  ____sys_sendmsg (net/socket.c:800 (discriminator 4) net/socket.c:815 (discriminator 4) net/socket.c:2713 (discriminator 4))
[   46.707503][  T612]  ? copy_msghdr_from_user (net/socket.c:2650)
[   46.707505][  T612]  ? get_timestamp.constprop.0 (./include/linux/netdevice.h:5399)
[   46.707506][  T612]  ? move_addr_to_kernel (./include/linux/audit.h:354 (discriminator 1))
[   46.707514][  T612]  ___sys_sendmsg (net/socket.c:2767)
[   46.707517][  T612]  ? copy_msghdr_from_user (net/socket.c:2619)
[   46.707533][  T612]  __sys_sendmsg (net/socket.c:2799)
[   46.707536][  T612]  ? __sys_sendmsg_sock (net/socket.c:2780)
[   46.707543][  T612]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   46.707546][  T612]  do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84)
[   46.707549][  T612]  ? exc_page_fault (arch/x86/mm/fault.c:1489 (discriminator 3) arch/x86/mm/fault.c:1536 (discriminator 3))
[   46.707552][  T612]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[   46.707554][  T612] RIP: 0033:0x7fa47541454e
[   46.707558][  T612] Code: 4d 89 d8 e8 b4 bd 00 00 4c 8b 5d f8 41 8b 93 08 03 00 00 59 5e 48 83 f8 fc 74 11 c9 c3 0f 1f 80 00 00 00 00 48 8b 45 10 0f 05 <c9> c3 83 e2 39 83 fa 08 75 e7 e8 03 ff ff ff 0f 1f 00 f3 0f 1e fa
All code
========
   0:	4d 89 d8             	mov    %r11,%r8
   3:	e8 b4 bd 00 00       	call   0xbdbc
   8:	4c 8b 5d f8          	mov    -0x8(%rbp),%r11
   c:	41 8b 93 08 03 00 00 	mov    0x308(%r11),%edx
  13:	59                   	pop    %rcx
  14:	5e                   	pop    %rsi
  15:	48 83 f8 fc          	cmp    $0xfffffffffffffffc,%rax
  19:	74 11                	je     0x2c
  1b:	c9                   	leave
  1c:	c3                   	ret
  1d:	0f 1f 80 00 00 00 00 	nopl   0x0(%rax)
  24:	48 8b 45 10          	mov    0x10(%rbp),%rax
  28:	0f 05                	syscall
  2a:*	c9                   	leave		<-- trapping instruction
  2b:	c3                   	ret
  2c:	83 e2 39             	and    $0x39,%edx
  2f:	83 fa 08             	cmp    $0x8,%edx
  32:	75 e7                	jne    0x1b
  34:	e8 03 ff ff ff       	call   0xffffffffffffff3c
  39:	0f 1f 00             	nopl   (%rax)
  3c:	f3 0f 1e fa          	endbr64

Code starting with the faulting instruction
===========================================
   0:	c9                   	leave
   1:	c3                   	ret
   2:	83 e2 39             	and    $0x39,%edx
   5:	83 fa 08             	cmp    $0x8,%edx
   8:	75 e7                	jne    0xfffffffffffffff1
   a:	e8 03 ff ff ff       	call   0xffffffffffffff12
   f:	0f 1f 00             	nopl   (%rax)
  12:	f3 0f 1e fa          	endbr64
[   46.707560][  T612] RSP: 002b:00007ffd92e2edd0 EFLAGS: 00000202 ORIG_RAX: 000000000000002e
[   46.707563][  T612] RAX: ffffffffffffffda RBX: 0000000000000003 RCX: 00007fa47541454e
[   46.707564][  T612] RDX: 0000000000000000 RSI: 00007ffd92e2ee80 RDI: 0000000000000005
[   46.707565][  T612] RBP: 00007ffd92e2ede0 R08: 0000000000000000 R09: 0000000000000000
[   46.707566][  T612] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a91619e
[   46.707567][  T612] R13: 00000000004a1620 R14: 0000000000000000 R15: 00007ffd92e2f550
| [   47.812700][  T622] softirqs last disabled at (21322): netif_change_name (./include/linux/spinlock.h:353 ./include/linux/seqlock.h:908 net/core/dev.c:1499)
| [   47.812703][  T622] Preemption disabled at:
| [   47.812703][  T622] vprintk_emit (kernel/printk/printk.c:2471)
| [   47.812712][  T622] Tainted: [W]=WARN
[   47.812713][  T622] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   47.812714][  T622] Call Trace:
[   47.812716][  T622]  <TASK>
[   47.812717][  T622]  dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120)
[   47.812723][  T622]  ? vprintk_emit (kernel/printk/printk.c:2471)
[   47.812724][  T622]  __might_resched.cold (kernel/sched/core.c:9234)
[   47.812729][  T622]  ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3))
[   47.812732][  T622]  ? __kmalloc_noprof (./include/linux/sched/mm.h:317 mm/slub.c:4636 mm/slub.c:4974 mm/slub.c:5413 mm/slub.c:5439)
[   47.812737][  T622]  __kmalloc_noprof (./include/linux/sched/mm.h:322 (discriminator 2) mm/slub.c:4636 (discriminator 2) mm/slub.c:4974 (discriminator 2) mm/slub.c:5413 (discriminator 2) mm/slub.c:5439 (discriminator 2))
[   47.812740][  T622]  ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[   47.812746][  T622]  ? do_raw_spin_unlock (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:32 ./include/asm-generic/qspinlock.h:58 kernel/locking/spinlock_debug.c:101 kernel/locking/spinlock_debug.c:141)
[   47.812750][  T622]  alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[   47.812753][  T622]  put_chars (drivers/char/virtio_console.c:1176)
[   47.812756][  T622]  ? __send_to_port (drivers/char/virtio_console.c:654)
[   47.812760][  T622]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380)
[   47.812764][  T622]  ? validate_chain (kernel/locking/lockdep.c:3817 (discriminator 2) kernel/locking/lockdep.c:3837 (discriminator 2) kernel/locking/lockdep.c:3892 (discriminator 2))
[   47.812768][  T622]  hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2))
[   47.812772][  T622]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   47.812774][  T622]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   47.812778][  T622]  ? hvc_write (drivers/tty/hvc/hvc_console.c:501)
[   47.812782][  T622]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   47.812790][  T622]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   47.812794][  T622]  console_emit_next_record (kernel/printk/printk.c:3183)
[   47.812798][  T622]  ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20)
[   47.812799][  T622]  ? console_flush_one_record (./include/linux/rcupdate.h:314 (discriminator 2) ./include/linux/srcu.h:439 (discriminator 2) kernel/printk/printk.c:291 (discriminator 2) kernel/printk/printk.c:3246 (discriminator 2))
[   47.812802][  T622]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   47.812804][  T622]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   47.812808][  T622]  console_flush_one_record (kernel/printk/printk.c:3268)
[   47.812812][  T622]  ? console_emit_next_record (kernel/printk/printk.c:3150)
[   47.812813][  T622]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   47.812818][  T622]  console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420)
[   47.812821][  T622]  ? console_flush_one_record (kernel/printk/printk.c:3316)
[   47.812822][  T622]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   47.812825][  T622]  ? lock_acquire (kernel/locking/lockdep.c:5913)
[   47.812829][  T622]  ? __down_trylock_console_sem (kernel/printk/printk.c:334)
[   47.812831][  T622]  ? vprintk_emit (kernel/printk/printk.c:2478)
[   47.812834][  T622]  vprintk_emit (kernel/printk/printk.c:2479)
[   47.812837][  T622]  ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126))
[   47.812839][  T622]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   47.812841][  T622]  ? save_trace (kernel/locking/lockdep.c:154 (discriminator 6) kernel/locking/lockdep.c:150 (discriminator 6) kernel/locking/lockdep.c:202 (discriminator 6) kernel/locking/lockdep.c:577 (discriminator 6))
[   47.812843][  T622]  ? find_held_lock (kernel/locking/lockdep.c:5360)
[   47.812847][  T622]  _printk (kernel/printk/printk.c:2504)
[   47.812850][  T622]  ? snapshot_read.cold (user.c:?)
[   47.812852][  T622]  ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4116 (discriminator 3) kernel/rcu/tree.c:4108 (discriminator 3))
[   47.812855][  T622]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380)
[   47.812857][  T622]  ? validate_chain (kernel/locking/lockdep.c:3817 (discriminator 2) kernel/locking/lockdep.c:3837 (discriminator 2) kernel/locking/lockdep.c:3892 (discriminator 2))
[   47.812859][  T622]  ? netdev_name (./include/linux/netdevice.h:5709 (discriminator 1))
[   47.812863][  T622]  ? __netdev_printk (net/core/dev.c:13148 (discriminator 2))
[   47.812866][  T622]  ? do_setlink.isra.0 (net/core/rtnetlink.c:3246)
[   47.812868][  T622]  netdev_info (net/core/dev.c:13195 (discriminator 3))
[   47.812871][  T622]  ? netdev_notice (net/core/dev.c:13194)
[   47.812873][  T622]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[   47.812876][  T622]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554)
[   47.812879][  T622]  ? mark_held_locks (kernel/locking/lockdep.c:4341)
[   47.812883][  T622]  ? do_setlink.isra.0 (net/core/rtnetlink.c:3246)
[   47.812885][  T622]  netif_change_name.cold (net/core/dev.c:1507 (discriminator 3))
[   47.812888][  T622]  ? is_bpf_text_address (./include/linux/rcupdate.h:319 (discriminator 2) ./include/linux/rcupdate.h:880 (discriminator 2) kernel/bpf/core.c:751 (discriminator 2))
[   47.812894][  T622]  ? netdev_adjacent_rename_links (net/core/dev.c:9598)
[   47.812897][  T622]  ? __kernel_text_address (kernel/extable.c:79)
[   47.812900][  T622]  ? write_profile (profile.c:?)
[   47.812904][  T622]  ? __asan_memset (mm/kasan/shadow.c:84 (discriminator 1))
[   47.812909][  T622]  do_setlink.isra.0 (net/core/rtnetlink.c:3246)
[   47.812913][  T622]  ? stack_trace_save (kernel/stacktrace.c:122 (discriminator 1))
[   47.812915][  T622]  ? rtnl_link_get_size (net/core/rtnetlink.c:747)
[   47.812917][  T622]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:388 kernel/rcu/update.c:380)
[   47.812919][  T622]  ? stack_depot_save_flags (lib/stackdepot.c:609 (discriminator 2) lib/stackdepot.c:676 (discriminator 2))
[   47.812922][  T622]  ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4116 (discriminator 3) kernel/rcu/tree.c:4108 (discriminator 3))
[   47.812924][  T622]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380)
[   47.812926][  T622]  ? validate_chain (kernel/locking/lockdep.c:3817 (discriminator 2) kernel/locking/lockdep.c:3837 (discriminator 2) kernel/locking/lockdep.c:3892 (discriminator 2))
[   47.812929][  T622]  ? kasan_save_stack (mm/kasan/common.c:58)
[   47.812932][  T622]  ? kasan_save_stack (mm/kasan/common.c:57)
[   47.812934][  T622]  ? kasan_save_track (mm/kasan/common.c:78)
[   47.812937][  T622]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   47.812939][  T622]  ? netlink_update_listeners (net/netlink/af_netlink.c:532)
[   47.812942][  T622]  ? ___sys_sendmsg (net/socket.c:2744 net/socket.c:2763)
[   47.812947][  T622]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2))
[   47.812949][  T622]  ? rtnl_newlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:366 net/core/rtnetlink.c:4214)
[   47.812951][  T622]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   47.812953][  T622]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   47.812955][  T622]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   47.812957][  T622]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   47.812959][  T622]  ? trace_contention_end (./include/trace/events/lock.h:121 (discriminator 22))
[   47.812961][  T622]  ? __mutex_lock (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:3188 kernel/locking/mutex.c:89 kernel/locking/mutex.c:134 kernel/locking/mutex.c:649 kernel/locking/mutex.c:821)
[   47.812964][  T622]  ? __mutex_lock (kernel/locking/mutex.c:656 (discriminator 1) kernel/locking/mutex.c:821 (discriminator 1))
[   47.812967][  T622]  ? rtnl_newlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:366 net/core/rtnetlink.c:4214)
[   47.812970][  T622]  ? ww_mutex_lock (kernel/locking/mutex.c:934)
[   47.812972][  T622]  ? nla_get_range_signed (lib/nlattr.c:270)
[   47.812978][  T622]  ? __rtnl_newlink (net/core/rtnetlink.c:4063)
[   47.812983][  T622]  rtnl_newlink (net/core/rtnetlink.c:4215)
[   47.812989][  T622]  ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558)
[   47.812991][  T622]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   47.812995][  T622]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2))
[   47.812997][  T622]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[   47.812999][  T622]  ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558)
[   47.813001][  T622]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554)
[   47.813005][  T622]  ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558)
[   47.813007][  T622]  rtnetlink_rcv_msg (net/core/rtnetlink.c:7132)
[   47.813011][  T622]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   47.813012][  T622]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   47.813017][  T622]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2))
[   47.813019][  T622]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[   47.813022][  T622]  netlink_rcv_skb (net/netlink/af_netlink.c:2556)
[   47.813024][  T622]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   47.813027][  T622]  ? netlink_ack (./include/linux/skbuff.h:2718)
[   47.813033][  T622]  ? netlink_deliver_tap (./include/linux/rcupdate.h:319 (discriminator 2) ./include/linux/rcupdate.h:880 (discriminator 2) ./include/net/netns/generic.h:48 (discriminator 2) net/netlink/af_netlink.c:334 (discriminator 2))
[   47.813035][  T622]  ? netlink_deliver_tap (./include/linux/rcupdate.h:319 (discriminator 2) ./include/linux/rcupdate.h:880 (discriminator 2) net/netlink/af_netlink.c:341 (discriminator 2))
[   47.813039][  T622]  netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[   47.813043][  T622]  ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[   47.813046][  T622]  ? __lock_acquire (kernel/locking/lockdep.c:5251 (discriminator 3))
[   47.813051][  T622]  netlink_sendmsg (net/netlink/af_netlink.c:1900)
[   47.813055][  T622]  ? netlink_unicast (./include/net/net_namespace.h:422 (discriminator 7))
[   47.813056][  T622]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554)
[   47.813059][  T622]  ? __might_fault (mm/memory.c:7482 (discriminator 5))
[   47.813063][  T622]  ? __might_fault (mm/memory.c:7482 (discriminator 5))
[   47.813067][  T622]  ____sys_sendmsg (net/socket.c:800 (discriminator 4) net/socket.c:815 (discriminator 4) net/socket.c:2713 (discriminator 4))
[   47.813070][  T622]  ? copy_msghdr_from_user (net/socket.c:2650)
[   47.813072][  T622]  ? get_timestamp.constprop.0 (./include/linux/netdevice.h:5399)
[   47.813073][  T622]  ? move_addr_to_kernel (./include/linux/audit.h:354 (discriminator 1))
[   47.813081][  T622]  ___sys_sendmsg (net/socket.c:2767)
[   47.813084][  T622]  ? copy_msghdr_from_user (net/socket.c:2619)
[   47.813102][  T622]  __sys_sendmsg (net/socket.c:2799)
[   47.813105][  T622]  ? __sys_sendmsg_sock (net/socket.c:2780)
[   47.813111][  T622]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   47.813115][  T622]  do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84)
[   47.813117][  T622]  ? exc_page_fault (arch/x86/mm/fault.c:1489 (discriminator 3) arch/x86/mm/fault.c:1536 (discriminator 3))
[   47.813121][  T622]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[   47.813123][  T622] RIP: 0033:0x7f4712bca54e
[   47.813127][  T622] Code: 4d 89 d8 e8 b4 bd 00 00 4c 8b 5d f8 41 8b 93 08 03 00 00 59 5e 48 83 f8 fc 74 11 c9 c3 0f 1f 80 00 00 00 00 48 8b 45 10 0f 05 <c9> c3 83 e2 39 83 fa 08 75 e7 e8 03 ff ff ff 0f 1f 00 f3 0f 1e fa
All code
========
   0:	4d 89 d8             	mov    %r11,%r8
   3:	e8 b4 bd 00 00       	call   0xbdbc
   8:	4c 8b 5d f8          	mov    -0x8(%rbp),%r11
   c:	41 8b 93 08 03 00 00 	mov    0x308(%r11),%edx
  13:	59                   	pop    %rcx
  14:	5e                   	pop    %rsi
  15:	48 83 f8 fc          	cmp    $0xfffffffffffffffc,%rax
  19:	74 11                	je     0x2c
  1b:	c9                   	leave
  1c:	c3                   	ret
  1d:	0f 1f 80 00 00 00 00 	nopl   0x0(%rax)
  24:	48 8b 45 10          	mov    0x10(%rbp),%rax
  28:	0f 05                	syscall
  2a:*	c9                   	leave		<-- trapping instruction
  2b:	c3                   	ret
  2c:	83 e2 39             	and    $0x39,%edx
  2f:	83 fa 08             	cmp    $0x8,%edx
  32:	75 e7                	jne    0x1b
  34:	e8 03 ff ff ff       	call   0xffffffffffffff3c
  39:	0f 1f 00             	nopl   (%rax)
  3c:	f3 0f 1e fa          	endbr64

Code starting with the faulting instruction
===========================================
   0:	c9                   	leave
   1:	c3                   	ret
   2:	83 e2 39             	and    $0x39,%edx
   5:	83 fa 08             	cmp    $0x8,%edx
   8:	75 e7                	jne    0xfffffffffffffff1
   a:	e8 03 ff ff ff       	call   0xffffffffffffff12
   f:	0f 1f 00             	nopl   (%rax)
  12:	f3 0f 1e fa          	endbr64
[   47.813129][  T622] RSP: 002b:00007fff30a6c1a0 EFLAGS: 00000202 ORIG_RAX: 000000000000002e
[   47.813131][  T622] RAX: ffffffffffffffda RBX: 0000000000000003 RCX: 00007f4712bca54e
[   47.813133][  T622] RDX: 0000000000000000 RSI: 00007fff30a6c250 RDI: 0000000000000005
[   47.813134][  T622] RBP: 00007fff30a6c1b0 R08: 0000000000000000 R09: 0000000000000000
[   47.813135][  T622] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a91619f
[   47.813136][  T622] R13: 00000000004a1620 R14: 0000000000000000 R15: 00007fff30a6c920
| [   48.934493][  T632] softirqs last disabled at (30324): netif_change_name (./include/linux/spinlock.h:353 ./include/linux/seqlock.h:908 net/core/dev.c:1499)
| [   48.934495][  T632] Preemption disabled at:
| [   48.934496][  T632] vprintk_emit (kernel/printk/printk.c:2471)
| [   48.934505][  T632] Tainted: [W]=WARN
[   48.934506][  T632] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   48.934508][  T632] Call Trace:
[   48.934509][  T632]  <TASK>
[   48.934511][  T632]  dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120)
[   48.934516][  T632]  ? vprintk_emit (kernel/printk/printk.c:2471)
[   48.934518][  T632]  __might_resched.cold (kernel/sched/core.c:9234)
[   48.934523][  T632]  ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3))
[   48.934526][  T632]  ? __kmalloc_noprof (./include/linux/sched/mm.h:317 mm/slub.c:4636 mm/slub.c:4974 mm/slub.c:5413 mm/slub.c:5439)
[   48.934531][  T632]  __kmalloc_noprof (./include/linux/sched/mm.h:322 (discriminator 2) mm/slub.c:4636 (discriminator 2) mm/slub.c:4974 (discriminator 2) mm/slub.c:5413 (discriminator 2) mm/slub.c:5439 (discriminator 2))
[   48.934534][  T632]  ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[   48.934541][  T632]  ? do_raw_spin_unlock (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:32 ./include/asm-generic/qspinlock.h:58 kernel/locking/spinlock_debug.c:101 kernel/locking/spinlock_debug.c:141)
[   48.934544][  T632]  alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[   48.934547][  T632]  put_chars (drivers/char/virtio_console.c:1176)
[   48.934550][  T632]  ? __send_to_port (drivers/char/virtio_console.c:654)
[   48.934554][  T632]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380)
[   48.934557][  T632]  ? validate_chain (kernel/locking/lockdep.c:3817 (discriminator 2) kernel/locking/lockdep.c:3837 (discriminator 2) kernel/locking/lockdep.c:3892 (discriminator 2))
[   48.934562][  T632]  hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2))
[   48.934566][  T632]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   48.934568][  T632]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   48.934572][  T632]  ? hvc_write (drivers/tty/hvc/hvc_console.c:501)
[   48.934576][  T632]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   48.934578][  T632]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   48.934583][  T632]  console_emit_next_record (kernel/printk/printk.c:3183)
[   48.934586][  T632]  ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20)
[   48.934588][  T632]  ? console_flush_one_record (./include/linux/rcupdate.h:314 (discriminator 2) ./include/linux/srcu.h:439 (discriminator 2) kernel/printk/printk.c:291 (discriminator 2) kernel/printk/printk.c:3246 (discriminator 2))
[   48.934590][  T632]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   48.934592][  T632]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   48.934597][  T632]  console_flush_one_record (kernel/printk/printk.c:3268)
[   48.934600][  T632]  ? console_emit_next_record (kernel/printk/printk.c:3150)
[   48.934602][  T632]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   48.934607][  T632]  console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420)
[   48.934610][  T632]  ? console_flush_one_record (kernel/printk/printk.c:3316)
[   48.934611][  T632]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   48.934613][  T632]  ? lock_acquire (kernel/locking/lockdep.c:5913)
[   48.934617][  T632]  ? __down_trylock_console_sem (kernel/printk/printk.c:334)
[   48.934619][  T632]  ? vprintk_emit (kernel/printk/printk.c:2478)
[   48.934622][  T632]  vprintk_emit (kernel/printk/printk.c:2479)
[   48.934625][  T632]  ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126))
[   48.934627][  T632]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   48.934629][  T632]  ? save_trace (kernel/locking/lockdep.c:154 (discriminator 6) kernel/locking/lockdep.c:150 (discriminator 6) kernel/locking/lockdep.c:202 (discriminator 6) kernel/locking/lockdep.c:577 (discriminator 6))
[   48.934631][  T632]  ? find_held_lock (kernel/locking/lockdep.c:5360)
[   48.934635][  T632]  _printk (kernel/printk/printk.c:2504)
[   48.934639][  T632]  ? snapshot_read.cold (user.c:?)
[   48.934641][  T632]  ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4116 (discriminator 3) kernel/rcu/tree.c:4108 (discriminator 3))
[   48.934644][  T632]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380)
[   48.934646][  T632]  ? validate_chain (kernel/locking/lockdep.c:3817 (discriminator 2) kernel/locking/lockdep.c:3837 (discriminator 2) kernel/locking/lockdep.c:3892 (discriminator 2))
[   48.934648][  T632]  ? netdev_name (./include/linux/netdevice.h:5709 (discriminator 1))
[   48.934652][  T632]  ? __netdev_printk (net/core/dev.c:13148 (discriminator 2))
[   48.934655][  T632]  ? do_setlink.isra.0 (net/core/rtnetlink.c:3246)
[   48.934657][  T632]  netdev_info (net/core/dev.c:13195 (discriminator 3))
[   48.934659][  T632]  ? netdev_notice (net/core/dev.c:13194)
[   48.934662][  T632]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[   48.934665][  T632]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554)
[   48.934668][  T632]  ? mark_held_locks (kernel/locking/lockdep.c:4341)
[   48.934672][  T632]  ? do_setlink.isra.0 (net/core/rtnetlink.c:3246)
[   48.934674][  T632]  netif_change_name.cold (net/core/dev.c:1507 (discriminator 3))
[   48.934677][  T632]  ? is_bpf_text_address (./include/linux/rcupdate.h:319 (discriminator 2) ./include/linux/rcupdate.h:880 (discriminator 2) kernel/bpf/core.c:751 (discriminator 2))
[   48.934683][  T632]  ? netdev_adjacent_rename_links (net/core/dev.c:9598)
[   48.934686][  T632]  ? __kernel_text_address (kernel/extable.c:79)
[   48.934689][  T632]  ? write_profile (profile.c:?)
[   48.934693][  T632]  ? __asan_memset (mm/kasan/shadow.c:84 (discriminator 1))
[   48.934698][  T632]  do_setlink.isra.0 (net/core/rtnetlink.c:3246)
[   48.934702][  T632]  ? stack_trace_save (kernel/stacktrace.c:122 (discriminator 1))
[   48.934705][  T632]  ? rtnl_link_get_size (net/core/rtnetlink.c:747)
[   48.934706][  T632]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:388 kernel/rcu/update.c:380)
[   48.934708][  T632]  ? stack_depot_save_flags (lib/stackdepot.c:609 (discriminator 2) lib/stackdepot.c:676 (discriminator 2))
[   48.934712][  T632]  ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4116 (discriminator 3) kernel/rcu/tree.c:4108 (discriminator 3))
[   48.934714][  T632]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380)
[   48.934716][  T632]  ? validate_chain (kernel/locking/lockdep.c:3817 (discriminator 2) kernel/locking/lockdep.c:3837 (discriminator 2) kernel/locking/lockdep.c:3892 (discriminator 2))
[   48.934719][  T632]  ? kasan_save_stack (mm/kasan/common.c:58)
[   48.934722][  T632]  ? kasan_save_stack (mm/kasan/common.c:57)
[   48.934723][  T632]  ? kasan_save_track (mm/kasan/common.c:78)
[   48.934726][  T632]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   48.934728][  T632]  ? netlink_update_listeners (net/netlink/af_netlink.c:532)
[   48.934731][  T632]  ? ___sys_sendmsg (net/socket.c:2744 net/socket.c:2763)
[   48.934736][  T632]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2))
[   48.934738][  T632]  ? rtnl_newlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:366 net/core/rtnetlink.c:4214)
[   48.934741][  T632]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   48.934743][  T632]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   48.934745][  T632]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   48.934746][  T632]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   48.934748][  T632]  ? trace_contention_end (./include/trace/events/lock.h:121 (discriminator 22))
[   48.934750][  T632]  ? __mutex_lock (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:3188 kernel/locking/mutex.c:89 kernel/locking/mutex.c:134 kernel/locking/mutex.c:649 kernel/locking/mutex.c:821)
[   48.934754][  T632]  ? __mutex_lock (kernel/locking/mutex.c:656 (discriminator 1) kernel/locking/mutex.c:821 (discriminator 1))
[   48.934756][  T632]  ? rtnl_newlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:366 net/core/rtnetlink.c:4214)
[   48.934759][  T632]  ? ww_mutex_lock (kernel/locking/mutex.c:934)
[   48.934761][  T632]  ? nla_get_range_signed (lib/nlattr.c:270)
[   48.934767][  T632]  ? __rtnl_newlink (net/core/rtnetlink.c:4063)
[   48.934772][  T632]  rtnl_newlink (net/core/rtnetlink.c:4215)
[   48.934778][  T632]  ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558)
[   48.934780][  T632]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   48.934785][  T632]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2))
[   48.934787][  T632]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[   48.934795][  T632]  ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558)
[   48.934797][  T632]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554)
[   48.934801][  T632]  ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558)
[   48.934803][  T632]  rtnetlink_rcv_msg (net/core/rtnetlink.c:7132)
[   48.934806][  T632]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   48.934807][  T632]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   48.934812][  T632]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2))
[   48.934815][  T632]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[   48.934818][  T632]  netlink_rcv_skb (net/netlink/af_netlink.c:2556)
[   48.934820][  T632]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   48.934823][  T632]  ? netlink_ack (./include/linux/skbuff.h:2718)
[   48.934830][  T632]  ? netlink_deliver_tap (./include/linux/rcupdate.h:319 (discriminator 2) ./include/linux/rcupdate.h:880 (discriminator 2) ./include/net/netns/generic.h:48 (discriminator 2) net/netlink/af_netlink.c:334 (discriminator 2))
[   48.934831][  T632]  ? netlink_deliver_tap (./include/linux/rcupdate.h:319 (discriminator 2) ./include/linux/rcupdate.h:880 (discriminator 2) net/netlink/af_netlink.c:341 (discriminator 2))
[   48.934835][  T632]  netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[   48.934839][  T632]  ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[   48.934842][  T632]  ? __lock_acquire (kernel/locking/lockdep.c:5251 (discriminator 3))
[   48.934847][  T632]  netlink_sendmsg (net/netlink/af_netlink.c:1900)
[   48.934850][  T632]  ? netlink_unicast (./include/net/net_namespace.h:422 (discriminator 7))
[   48.934852][  T632]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554)
[   48.934855][  T632]  ? __might_fault (mm/memory.c:7482 (discriminator 5))
[   48.934859][  T632]  ? __might_fault (mm/memory.c:7482 (discriminator 5))
[   48.934863][  T632]  ____sys_sendmsg (net/socket.c:800 (discriminator 4) net/socket.c:815 (discriminator 4) net/socket.c:2713 (discriminator 4))
[   48.934865][  T632]  ? copy_msghdr_from_user (net/socket.c:2650)
[   48.934868][  T632]  ? get_timestamp.constprop.0 (./include/linux/netdevice.h:5399)
[   48.934869][  T632]  ? move_addr_to_kernel (./include/linux/audit.h:354 (discriminator 1))
[   48.934877][  T632]  ___sys_sendmsg (net/socket.c:2767)
[   48.934879][  T632]  ? copy_msghdr_from_user (net/socket.c:2619)
[   48.934895][  T632]  __sys_sendmsg (net/socket.c:2799)
[   48.934899][  T632]  ? __sys_sendmsg_sock (net/socket.c:2780)
[   48.934905][  T632]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   48.934909][  T632]  do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84)
[   48.934911][  T632]  ? exc_page_fault (arch/x86/mm/fault.c:1489 (discriminator 3) arch/x86/mm/fault.c:1536 (discriminator 3))
[   48.934915][  T632]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[   48.934917][  T632] RIP: 0033:0x7f460046b54e
[   48.934921][  T632] Code: 4d 89 d8 e8 b4 bd 00 00 4c 8b 5d f8 41 8b 93 08 03 00 00 59 5e 48 83 f8 fc 74 11 c9 c3 0f 1f 80 00 00 00 00 48 8b 45 10 0f 05 <c9> c3 83 e2 39 83 fa 08 75 e7 e8 03 ff ff ff 0f 1f 00 f3 0f 1e fa
All code
========
   0:	4d 89 d8             	mov    %r11,%r8
   3:	e8 b4 bd 00 00       	call   0xbdbc
   8:	4c 8b 5d f8          	mov    -0x8(%rbp),%r11
   c:	41 8b 93 08 03 00 00 	mov    0x308(%r11),%edx
  13:	59                   	pop    %rcx
  14:	5e                   	pop    %rsi
  15:	48 83 f8 fc          	cmp    $0xfffffffffffffffc,%rax
  19:	74 11                	je     0x2c
  1b:	c9                   	leave
  1c:	c3                   	ret
  1d:	0f 1f 80 00 00 00 00 	nopl   0x0(%rax)
  24:	48 8b 45 10          	mov    0x10(%rbp),%rax
  28:	0f 05                	syscall
  2a:*	c9                   	leave		<-- trapping instruction
  2b:	c3                   	ret
  2c:	83 e2 39             	and    $0x39,%edx
  2f:	83 fa 08             	cmp    $0x8,%edx
  32:	75 e7                	jne    0x1b
  34:	e8 03 ff ff ff       	call   0xffffffffffffff3c
  39:	0f 1f 00             	nopl   (%rax)
  3c:	f3 0f 1e fa          	endbr64

Code starting with the faulting instruction
===========================================
   0:	c9                   	leave
   1:	c3                   	ret
   2:	83 e2 39             	and    $0x39,%edx
   5:	83 fa 08             	cmp    $0x8,%edx
   8:	75 e7                	jne    0xfffffffffffffff1
   a:	e8 03 ff ff ff       	call   0xffffffffffffff12
   f:	0f 1f 00             	nopl   (%rax)
  12:	f3 0f 1e fa          	endbr64
[   48.934923][  T632] RSP: 002b:00007ffcacd0f140 EFLAGS: 00000202 ORIG_RAX: 000000000000002e
[   48.934925][  T632] RAX: ffffffffffffffda RBX: 0000000000000003 RCX: 00007f460046b54e
[   48.934927][  T632] RDX: 0000000000000000 RSI: 00007ffcacd0f1f0 RDI: 0000000000000005
[   48.934928][  T632] RBP: 00007ffcacd0f150 R08: 0000000000000000 R09: 0000000000000000
[   48.934928][  T632] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a9161a0
[   48.934929][  T632] R13: 00000000004a1620 R14: 0000000000000000 R15: 00007ffcacd0f8c0
| [   50.002664][  T640] softirqs last disabled at (27014): netif_change_name (./include/linux/spinlock.h:353 ./include/linux/seqlock.h:908 net/core/dev.c:1499)
| [   50.002666][  T640] Preemption disabled at:
| [   50.002667][  T640] vprintk_emit (kernel/printk/printk.c:2471)
| [   50.002675][  T640] Tainted: [W]=WARN
[   50.002676][  T640] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   50.002678][  T640] Call Trace:
[   50.002680][  T640]  <TASK>
[   50.002681][  T640]  dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120)
[   50.002686][  T640]  ? vprintk_emit (kernel/printk/printk.c:2471)
[   50.002688][  T640]  __might_resched.cold (kernel/sched/core.c:9234)
[   50.002692][  T640]  ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3))
[   50.002695][  T640]  ? __kmalloc_noprof (./include/linux/sched/mm.h:317 mm/slub.c:4636 mm/slub.c:4974 mm/slub.c:5413 mm/slub.c:5439)
[   50.002701][  T640]  __kmalloc_noprof (./include/linux/sched/mm.h:322 (discriminator 2) mm/slub.c:4636 (discriminator 2) mm/slub.c:4974 (discriminator 2) mm/slub.c:5413 (discriminator 2) mm/slub.c:5439 (discriminator 2))
[   50.002703][  T640]  ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[   50.002709][  T640]  ? do_raw_spin_unlock (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:32 ./include/asm-generic/qspinlock.h:58 kernel/locking/spinlock_debug.c:101 kernel/locking/spinlock_debug.c:141)
[   50.002712][  T640]  alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[   50.002715][  T640]  put_chars (drivers/char/virtio_console.c:1176)
[   50.002718][  T640]  ? __send_to_port (drivers/char/virtio_console.c:654)
[   50.002722][  T640]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380)
[   50.002726][  T640]  ? validate_chain (kernel/locking/lockdep.c:3817 (discriminator 2) kernel/locking/lockdep.c:3837 (discriminator 2) kernel/locking/lockdep.c:3892 (discriminator 2))
[   50.002730][  T640]  hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2))
[   50.002734][  T640]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   50.002736][  T640]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   50.002741][  T640]  ? hvc_write (drivers/tty/hvc/hvc_console.c:501)
[   50.002744][  T640]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   50.002746][  T640]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   50.002751][  T640]  console_emit_next_record (kernel/printk/printk.c:3183)
[   50.002754][  T640]  ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20)
[   50.002756][  T640]  ? console_flush_one_record (./include/linux/rcupdate.h:314 (discriminator 2) ./include/linux/srcu.h:439 (discriminator 2) kernel/printk/printk.c:291 (discriminator 2) kernel/printk/printk.c:3246 (discriminator 2))
[   50.002758][  T640]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   50.002760][  T640]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   50.002765][  T640]  console_flush_one_record (kernel/printk/printk.c:3268)
[   50.002768][  T640]  ? console_emit_next_record (kernel/printk/printk.c:3150)
[   50.002770][  T640]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   50.002775][  T640]  console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420)
[   50.002777][  T640]  ? console_flush_one_record (kernel/printk/printk.c:3316)
[   50.002779][  T640]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   50.002781][  T640]  ? lock_acquire (kernel/locking/lockdep.c:5913)
[   50.002785][  T640]  ? __down_trylock_console_sem (kernel/printk/printk.c:334)
[   50.002787][  T640]  ? vprintk_emit (kernel/printk/printk.c:2478)
[   50.002790][  T640]  vprintk_emit (kernel/printk/printk.c:2479)
[   50.002798][  T640]  ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126))
[   50.002800][  T640]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   50.002802][  T640]  ? save_trace (kernel/locking/lockdep.c:154 (discriminator 6) kernel/locking/lockdep.c:150 (discriminator 6) kernel/locking/lockdep.c:202 (discriminator 6) kernel/locking/lockdep.c:577 (discriminator 6))
[   50.002804][  T640]  ? find_held_lock (kernel/locking/lockdep.c:5360)
[   50.002808][  T640]  _printk (kernel/printk/printk.c:2504)
[   50.002812][  T640]  ? snapshot_read.cold (user.c:?)
[   50.002813][  T640]  ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4116 (discriminator 3) kernel/rcu/tree.c:4108 (discriminator 3))
[   50.002816][  T640]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380)
[   50.002818][  T640]  ? validate_chain (kernel/locking/lockdep.c:3817 (discriminator 2) kernel/locking/lockdep.c:3837 (discriminator 2) kernel/locking/lockdep.c:3892 (discriminator 2))
[   50.002821][  T640]  ? netdev_name (./include/linux/netdevice.h:5709 (discriminator 1))
[   50.002824][  T640]  ? __netdev_printk (net/core/dev.c:13148 (discriminator 2))
[   50.002827][  T640]  ? do_setlink.isra.0 (net/core/rtnetlink.c:3246)
[   50.002829][  T640]  netdev_info (net/core/dev.c:13195 (discriminator 3))
[   50.002832][  T640]  ? netdev_notice (net/core/dev.c:13194)
[   50.002834][  T640]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[   50.002838][  T640]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554)
[   50.002840][  T640]  ? mark_held_locks (kernel/locking/lockdep.c:4341)
[   50.002844][  T640]  ? do_setlink.isra.0 (net/core/rtnetlink.c:3246)
[   50.002846][  T640]  netif_change_name.cold (net/core/dev.c:1507 (discriminator 3))
[   50.002850][  T640]  ? 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))
[   50.002856][  T640]  ? netdev_adjacent_rename_links (net/core/dev.c:9598)
[   50.002858][  T640]  ? __kernel_text_address (kernel/extable.c:79)
[   50.002861][  T640]  ? write_profile (profile.c:?)
[   50.002865][  T640]  ? __asan_memset (mm/kasan/shadow.c:84 (discriminator 1))
[   50.002871][  T640]  do_setlink.isra.0 (net/core/rtnetlink.c:3246)
[   50.002875][  T640]  ? stack_trace_save (kernel/stacktrace.c:122 (discriminator 1))
[   50.002877][  T640]  ? rtnl_link_get_size (net/core/rtnetlink.c:747)
[   50.002878][  T640]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:388 kernel/rcu/update.c:380)
[   50.002881][  T640]  ? stack_depot_save_flags (lib/stackdepot.c:609 (discriminator 2) lib/stackdepot.c:676 (discriminator 2))
[   50.002884][  T640]  ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4116 (discriminator 3) kernel/rcu/tree.c:4108 (discriminator 3))
[   50.002886][  T640]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380)
[   50.002888][  T640]  ? validate_chain (kernel/locking/lockdep.c:3817 (discriminator 2) kernel/locking/lockdep.c:3837 (discriminator 2) kernel/locking/lockdep.c:3892 (discriminator 2))
[   50.002891][  T640]  ? kasan_save_stack (mm/kasan/common.c:58)
[   50.002894][  T640]  ? kasan_save_stack (mm/kasan/common.c:57)
[   50.002896][  T640]  ? kasan_save_track (mm/kasan/common.c:78)
[   50.002899][  T640]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   50.002901][  T640]  ? netlink_update_listeners (net/netlink/af_netlink.c:532)
[   50.002904][  T640]  ? ___sys_sendmsg (net/socket.c:2744 net/socket.c:2763)
[   50.002909][  T640]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2))
[   50.002911][  T640]  ? rtnl_newlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:366 net/core/rtnetlink.c:4214)
[   50.002913][  T640]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   50.002915][  T640]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   50.002917][  T640]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   50.002919][  T640]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   50.002920][  T640]  ? trace_contention_end (./include/trace/events/lock.h:121 (discriminator 22))
[   50.002923][  T640]  ? __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)
[   50.002926][  T640]  ? __mutex_lock (kernel/locking/mutex.c:656 (discriminator 1) kernel/locking/mutex.c:821 (discriminator 1))
[   50.002929][  T640]  ? rtnl_newlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:366 net/core/rtnetlink.c:4214)
[   50.002932][  T640]  ? ww_mutex_lock (kernel/locking/mutex.c:934)
[   50.002934][  T640]  ? nla_get_range_signed (lib/nlattr.c:270)
[   50.002940][  T640]  ? __rtnl_newlink (net/core/rtnetlink.c:4063)
[   50.002945][  T640]  rtnl_newlink (net/core/rtnetlink.c:4215)
[   50.002951][  T640]  ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558)
[   50.002953][  T640]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   50.002958][  T640]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2))
[   50.002960][  T640]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[   50.002962][  T640]  ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558)
[   50.002964][  T640]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554)
[   50.002968][  T640]  ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558)
[   50.002970][  T640]  rtnetlink_rcv_msg (net/core/rtnetlink.c:7132)
[   50.002973][  T640]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   50.002975][  T640]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   50.002979][  T640]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2))
[   50.002981][  T640]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[   50.002985][  T640]  netlink_rcv_skb (net/netlink/af_netlink.c:2556)
[   50.002987][  T640]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   50.002990][  T640]  ? netlink_ack (./include/linux/skbuff.h:2718)
[   50.002996][  T640]  ? 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))
[   50.002998][  T640]  ? 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))
[   50.003002][  T640]  netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[   50.003006][  T640]  ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[   50.003009][  T640]  ? __lock_acquire (kernel/locking/lockdep.c:5251 (discriminator 3))
[   50.003013][  T640]  netlink_sendmsg (net/netlink/af_netlink.c:1900)
[   50.003017][  T640]  ? netlink_unicast (./include/net/net_namespace.h:422 (discriminator 7))
[   50.003018][  T640]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554)
[   50.003021][  T640]  ? __might_fault (mm/memory.c:7482 (discriminator 5))
[   50.003025][  T640]  ? __might_fault (mm/memory.c:7482 (discriminator 5))
[   50.003029][  T640]  ____sys_sendmsg (net/socket.c:800 (discriminator 4) net/socket.c:815 (discriminator 4) net/socket.c:2713 (discriminator 4))
[   50.003031][  T640]  ? copy_msghdr_from_user (net/socket.c:2650)
[   50.003034][  T640]  ? get_timestamp.constprop.0 (./include/linux/netdevice.h:5399)
[   50.003036][  T640]  ? move_addr_to_kernel (./include/linux/audit.h:354 (discriminator 1))
[   50.003044][  T640]  ___sys_sendmsg (net/socket.c:2767)
[   50.003047][  T640]  ? copy_msghdr_from_user (net/socket.c:2619)
[   50.003063][  T640]  __sys_sendmsg (net/socket.c:2799)
[   50.003067][  T640]  ? __sys_sendmsg_sock (net/socket.c:2780)
[   50.003073][  T640]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   50.003076][  T640]  do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84)
[   50.003079][  T640]  ? exc_page_fault (arch/x86/mm/fault.c:1489 (discriminator 3) arch/x86/mm/fault.c:1536 (discriminator 3))
[   50.003082][  T640]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[   50.003084][  T640] RIP: 0033:0x7f8e69a0054e
[   50.003088][  T640] 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
[   50.003090][  T640] RSP: 002b:00007ffe4f7cfac0 EFLAGS: 00000202 ORIG_RAX: 000000000000002e
[   50.003093][  T640] RAX: ffffffffffffffda RBX: 0000000000000003 RCX: 00007f8e69a0054e
[   50.003095][  T640] RDX: 0000000000000000 RSI: 00007ffe4f7cfb70 RDI: 0000000000000005
[   50.003096][  T640] RBP: 00007ffe4f7cfad0 R08: 0000000000000000 R09: 0000000000000000
[   50.003097][  T640] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a9161a1
[   50.003098][  T640] R13: 00000000004a1620 R14: 0000000000000000 R15: 00007ffe4f7d0240
| [   51.131989][  T648] softirqs last disabled at (21944): netif_change_name (./include/linux/spinlock.h:353 ./include/linux/seqlock.h:908 net/core/dev.c:1499)
| [   51.131992][  T648] Preemption disabled at:
| [   51.131992][  T648] vprintk_emit (kernel/printk/printk.c:2471)
| [   51.132001][  T648] Tainted: [W]=WARN
[   51.132002][  T648] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   51.132003][  T648] Call Trace:
[   51.132005][  T648]  <TASK>
[   51.132007][  T648]  dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120)
[   51.132012][  T648]  ? vprintk_emit (kernel/printk/printk.c:2471)
[   51.132014][  T648]  __might_resched.cold (kernel/sched/core.c:9234)
[   51.132018][  T648]  ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3))
[   51.132021][  T648]  ? __kmalloc_noprof (./include/linux/sched/mm.h:317 mm/slub.c:4636 mm/slub.c:4974 mm/slub.c:5413 mm/slub.c:5439)
[   51.132026][  T648]  __kmalloc_noprof (./include/linux/sched/mm.h:322 (discriminator 2) mm/slub.c:4636 (discriminator 2) mm/slub.c:4974 (discriminator 2) mm/slub.c:5413 (discriminator 2) mm/slub.c:5439 (discriminator 2))
[   51.132029][  T648]  ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[   51.132035][  T648]  ? do_raw_spin_unlock (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:32 ./include/asm-generic/qspinlock.h:58 kernel/locking/spinlock_debug.c:101 kernel/locking/spinlock_debug.c:141)
[   51.132039][  T648]  alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[   51.132043][  T648]  put_chars (drivers/char/virtio_console.c:1176)
[   51.132046][  T648]  ? __send_to_port (drivers/char/virtio_console.c:654)
[   51.132050][  T648]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380)
[   51.132053][  T648]  ? validate_chain (kernel/locking/lockdep.c:3817 (discriminator 2) kernel/locking/lockdep.c:3837 (discriminator 2) kernel/locking/lockdep.c:3892 (discriminator 2))
[   51.132058][  T648]  hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2))
[   51.132061][  T648]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   51.132063][  T648]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   51.132068][  T648]  ? hvc_write (drivers/tty/hvc/hvc_console.c:501)
[   51.132072][  T648]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   51.132074][  T648]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   51.132079][  T648]  console_emit_next_record (kernel/printk/printk.c:3183)
[   51.132082][  T648]  ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20)
[   51.132083][  T648]  ? console_flush_one_record (./include/linux/rcupdate.h:314 (discriminator 2) ./include/linux/srcu.h:439 (discriminator 2) kernel/printk/printk.c:291 (discriminator 2) kernel/printk/printk.c:3246 (discriminator 2))
[   51.132086][  T648]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   51.132088][  T648]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   51.132093][  T648]  console_flush_one_record (kernel/printk/printk.c:3268)
[   51.132098][  T648]  ? console_emit_next_record (kernel/printk/printk.c:3150)
[   51.132099][  T648]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   51.132105][  T648]  console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420)
[   51.132107][  T648]  ? console_flush_one_record (kernel/printk/printk.c:3316)
[   51.132109][  T648]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   51.132111][  T648]  ? lock_acquire (kernel/locking/lockdep.c:5913)
[   51.132114][  T648]  ? __down_trylock_console_sem (kernel/printk/printk.c:334)
[   51.132116][  T648]  ? vprintk_emit (kernel/printk/printk.c:2478)
[   51.132119][  T648]  vprintk_emit (kernel/printk/printk.c:2479)
[   51.132123][  T648]  ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126))
[   51.132125][  T648]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   51.132127][  T648]  ? save_trace (kernel/locking/lockdep.c:154 (discriminator 6) kernel/locking/lockdep.c:150 (discriminator 6) kernel/locking/lockdep.c:202 (discriminator 6) kernel/locking/lockdep.c:577 (discriminator 6))
[   51.132129][  T648]  ? find_held_lock (kernel/locking/lockdep.c:5360)
[   51.132133][  T648]  _printk (kernel/printk/printk.c:2504)
[   51.132136][  T648]  ? snapshot_read.cold (user.c:?)
[   51.132140][  T648]  ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4116 (discriminator 3) kernel/rcu/tree.c:4108 (discriminator 3))
[   51.132143][  T648]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380)
[   51.132145][  T648]  ? validate_chain (kernel/locking/lockdep.c:3817 (discriminator 2) kernel/locking/lockdep.c:3837 (discriminator 2) kernel/locking/lockdep.c:3892 (discriminator 2))
[   51.132147][  T648]  ? netdev_name (./include/linux/netdevice.h:5709 (discriminator 1))
[   51.132151][  T648]  ? __netdev_printk (net/core/dev.c:13148 (discriminator 2))
[   51.132154][  T648]  ? do_setlink.isra.0 (net/core/rtnetlink.c:3246)
[   51.132156][  T648]  netdev_info (net/core/dev.c:13195 (discriminator 3))
[   51.132159][  T648]  ? netdev_notice (net/core/dev.c:13194)
[   51.132161][  T648]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[   51.132164][  T648]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554)
[   51.132167][  T648]  ? mark_held_locks (kernel/locking/lockdep.c:4341)
[   51.132171][  T648]  ? do_setlink.isra.0 (net/core/rtnetlink.c:3246)
[   51.132173][  T648]  netif_change_name.cold (net/core/dev.c:1507 (discriminator 3))
[   51.132176][  T648]  ? is_bpf_text_address (./include/linux/rcupdate.h:319 (discriminator 2) ./include/linux/rcupdate.h:880 (discriminator 2) kernel/bpf/core.c:751 (discriminator 2))
[   51.132182][  T648]  ? netdev_adjacent_rename_links (net/core/dev.c:9598)
[   51.132185][  T648]  ? __kernel_text_address (kernel/extable.c:79)
[   51.132188][  T648]  ? write_profile (profile.c:?)
[   51.132192][  T648]  ? __asan_memset (mm/kasan/shadow.c:84 (discriminator 1))
[   51.132197][  T648]  do_setlink.isra.0 (net/core/rtnetlink.c:3246)
[   51.132202][  T648]  ? stack_trace_save (kernel/stacktrace.c:122 (discriminator 1))
[   51.132205][  T648]  ? rtnl_link_get_size (net/core/rtnetlink.c:747)
[   51.132206][  T648]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:388 kernel/rcu/update.c:380)
[   51.132208][  T648]  ? stack_depot_save_flags (lib/stackdepot.c:609 (discriminator 2) lib/stackdepot.c:676 (discriminator 2))
[   51.132212][  T648]  ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4116 (discriminator 3) kernel/rcu/tree.c:4108 (discriminator 3))
[   51.132214][  T648]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380)
[   51.132216][  T648]  ? validate_chain (kernel/locking/lockdep.c:3817 (discriminator 2) kernel/locking/lockdep.c:3837 (discriminator 2) kernel/locking/lockdep.c:3892 (discriminator 2))
[   51.132219][  T648]  ? kasan_save_stack (mm/kasan/common.c:58)
[   51.132222][  T648]  ? kasan_save_stack (mm/kasan/common.c:57)
[   51.132223][  T648]  ? kasan_save_track (mm/kasan/common.c:78)
[   51.132226][  T648]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   51.132228][  T648]  ? netlink_update_listeners (net/netlink/af_netlink.c:532)
[   51.132231][  T648]  ? ___sys_sendmsg (net/socket.c:2744 net/socket.c:2763)
[   51.132236][  T648]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2))
[   51.132238][  T648]  ? rtnl_newlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:366 net/core/rtnetlink.c:4214)
[   51.132241][  T648]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   51.132243][  T648]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   51.132245][  T648]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   51.132246][  T648]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   51.132248][  T648]  ? trace_contention_end (./include/trace/events/lock.h:121 (discriminator 22))
[   51.132250][  T648]  ? __mutex_lock (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:3188 kernel/locking/mutex.c:89 kernel/locking/mutex.c:134 kernel/locking/mutex.c:649 kernel/locking/mutex.c:821)
[   51.132254][  T648]  ? __mutex_lock (kernel/locking/mutex.c:656 (discriminator 1) kernel/locking/mutex.c:821 (discriminator 1))
[   51.132256][  T648]  ? rtnl_newlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:366 net/core/rtnetlink.c:4214)
[   51.132260][  T648]  ? ww_mutex_lock (kernel/locking/mutex.c:934)
[   51.132262][  T648]  ? nla_get_range_signed (lib/nlattr.c:270)
[   51.132268][  T648]  ? __rtnl_newlink (net/core/rtnetlink.c:4063)
[   51.132273][  T648]  rtnl_newlink (net/core/rtnetlink.c:4215)
[   51.132279][  T648]  ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558)
[   51.132281][  T648]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   51.132286][  T648]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2))
[   51.132288][  T648]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[   51.132290][  T648]  ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558)
[   51.132292][  T648]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554)
[   51.132296][  T648]  ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558)
[   51.132298][  T648]  rtnetlink_rcv_msg (net/core/rtnetlink.c:7132)
[   51.132301][  T648]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   51.132302][  T648]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   51.132307][  T648]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2))
[   51.132309][  T648]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[   51.132313][  T648]  netlink_rcv_skb (net/netlink/af_netlink.c:2556)
[   51.132315][  T648]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   51.132318][  T648]  ? netlink_ack (./include/linux/skbuff.h:2718)
[   51.132324][  T648]  ? netlink_deliver_tap (./include/linux/rcupdate.h:319 (discriminator 2) ./include/linux/rcupdate.h:880 (discriminator 2) ./include/net/netns/generic.h:48 (discriminator 2) net/netlink/af_netlink.c:334 (discriminator 2))
[   51.132326][  T648]  ? netlink_deliver_tap (./include/linux/rcupdate.h:319 (discriminator 2) ./include/linux/rcupdate.h:880 (discriminator 2) net/netlink/af_netlink.c:341 (discriminator 2))
[   51.132330][  T648]  netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[   51.132334][  T648]  ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[   51.132337][  T648]  ? __lock_acquire (kernel/locking/lockdep.c:5251 (discriminator 3))
[   51.132341][  T648]  netlink_sendmsg (net/netlink/af_netlink.c:1900)
[   51.132345][  T648]  ? netlink_unicast (./include/net/net_namespace.h:422 (discriminator 7))
[   51.132346][  T648]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554)
[   51.132350][  T648]  ? __might_fault (mm/memory.c:7482 (discriminator 5))
[   51.132353][  T648]  ? __might_fault (mm/memory.c:7482 (discriminator 5))
[   51.132357][  T648]  ____sys_sendmsg (net/socket.c:800 (discriminator 4) net/socket.c:815 (discriminator 4) net/socket.c:2713 (discriminator 4))
[   51.132360][  T648]  ? copy_msghdr_from_user (net/socket.c:2650)
[   51.132362][  T648]  ? get_timestamp.constprop.0 (./include/linux/netdevice.h:5399)
[   51.132364][  T648]  ? move_addr_to_kernel (./include/linux/audit.h:354 (discriminator 1))
[   51.132371][  T648]  ___sys_sendmsg (net/socket.c:2767)
[   51.132374][  T648]  ? copy_msghdr_from_user (net/socket.c:2619)
[   51.132391][  T648]  __sys_sendmsg (net/socket.c:2799)
[   51.132394][  T648]  ? __sys_sendmsg_sock (net/socket.c:2780)
[   51.132401][  T648]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   51.132404][  T648]  do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84)
[   51.132407][  T648]  ? exc_page_fault (arch/x86/mm/fault.c:1489 (discriminator 3) arch/x86/mm/fault.c:1536 (discriminator 3))
[   51.132411][  T648]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[   51.132413][  T648] RIP: 0033:0x7f11b5c1454e
[   51.132417][  T648] Code: 4d 89 d8 e8 b4 bd 00 00 4c 8b 5d f8 41 8b 93 08 03 00 00 59 5e 48 83 f8 fc 74 11 c9 c3 0f 1f 80 00 00 00 00 48 8b 45 10 0f 05 <c9> c3 83 e2 39 83 fa 08 75 e7 e8 03 ff ff ff 0f 1f 00 f3 0f 1e fa
All code
========
   0:	4d 89 d8             	mov    %r11,%r8
   3:	e8 b4 bd 00 00       	call   0xbdbc
   8:	4c 8b 5d f8          	mov    -0x8(%rbp),%r11
   c:	41 8b 93 08 03 00 00 	mov    0x308(%r11),%edx
  13:	59                   	pop    %rcx
  14:	5e                   	pop    %rsi
  15:	48 83 f8 fc          	cmp    $0xfffffffffffffffc,%rax
  19:	74 11                	je     0x2c
  1b:	c9                   	leave
  1c:	c3                   	ret
  1d:	0f 1f 80 00 00 00 00 	nopl   0x0(%rax)
  24:	48 8b 45 10          	mov    0x10(%rbp),%rax
  28:	0f 05                	syscall
  2a:*	c9                   	leave		<-- trapping instruction
  2b:	c3                   	ret
  2c:	83 e2 39             	and    $0x39,%edx
  2f:	83 fa 08             	cmp    $0x8,%edx
  32:	75 e7                	jne    0x1b
  34:	e8 03 ff ff ff       	call   0xffffffffffffff3c
  39:	0f 1f 00             	nopl   (%rax)
  3c:	f3 0f 1e fa          	endbr64

Code starting with the faulting instruction
===========================================
   0:	c9                   	leave
   1:	c3                   	ret
   2:	83 e2 39             	and    $0x39,%edx
   5:	83 fa 08             	cmp    $0x8,%edx
   8:	75 e7                	jne    0xfffffffffffffff1
   a:	e8 03 ff ff ff       	call   0xffffffffffffff12
   f:	0f 1f 00             	nopl   (%rax)
  12:	f3 0f 1e fa          	endbr64
[   51.132419][  T648] RSP: 002b:00007ffdf84cde70 EFLAGS: 00000202 ORIG_RAX: 000000000000002e
[   51.132421][  T648] RAX: ffffffffffffffda RBX: 0000000000000003 RCX: 00007f11b5c1454e
[   51.132423][  T648] RDX: 0000000000000000 RSI: 00007ffdf84cdf20 RDI: 0000000000000005
[   51.132424][  T648] RBP: 00007ffdf84cde80 R08: 0000000000000000 R09: 0000000000000000
[   51.132425][  T648] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a9161a2
[   51.132425][  T648] R13: 00000000004a1620 R14: 0000000000000000 R15: 00007ffdf84ce5f0
| [   52.233563][  T657] softirqs last disabled at (29584): netif_change_name (./include/linux/spinlock.h:353 ./include/linux/seqlock.h:908 net/core/dev.c:1499)
| [   52.233566][  T657] Preemption disabled at:
| [   52.233566][  T657] vprintk_emit (kernel/printk/printk.c:2471)
| [   52.233575][  T657] Tainted: [W]=WARN
[   52.233576][  T657] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   52.233577][  T657] Call Trace:
[   52.233579][  T657]  <TASK>
[   52.233580][  T657]  dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120)
[   52.233585][  T657]  ? vprintk_emit (kernel/printk/printk.c:2471)
[   52.233587][  T657]  __might_resched.cold (kernel/sched/core.c:9234)
[   52.233592][  T657]  ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3))
[   52.233595][  T657]  ? __kmalloc_noprof (./include/linux/sched/mm.h:317 mm/slub.c:4636 mm/slub.c:4974 mm/slub.c:5413 mm/slub.c:5439)
[   52.233600][  T657]  __kmalloc_noprof (./include/linux/sched/mm.h:322 (discriminator 2) mm/slub.c:4636 (discriminator 2) mm/slub.c:4974 (discriminator 2) mm/slub.c:5413 (discriminator 2) mm/slub.c:5439 (discriminator 2))
[   52.233603][  T657]  ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[   52.233609][  T657]  ? do_raw_spin_unlock (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:32 ./include/asm-generic/qspinlock.h:58 kernel/locking/spinlock_debug.c:101 kernel/locking/spinlock_debug.c:141)
[   52.233612][  T657]  alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[   52.233615][  T657]  put_chars (drivers/char/virtio_console.c:1176)
[   52.233618][  T657]  ? __send_to_port (drivers/char/virtio_console.c:654)
[   52.233622][  T657]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380)
[   52.233625][  T657]  ? validate_chain (kernel/locking/lockdep.c:3817 (discriminator 2) kernel/locking/lockdep.c:3837 (discriminator 2) kernel/locking/lockdep.c:3892 (discriminator 2))
[   52.233630][  T657]  hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2))
[   52.233633][  T657]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   52.233635][  T657]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   52.233640][  T657]  ? hvc_write (drivers/tty/hvc/hvc_console.c:501)
[   52.233643][  T657]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   52.233646][  T657]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   52.233650][  T657]  console_emit_next_record (kernel/printk/printk.c:3183)
[   52.233654][  T657]  ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20)
[   52.233655][  T657]  ? console_flush_one_record (./include/linux/rcupdate.h:314 (discriminator 2) ./include/linux/srcu.h:439 (discriminator 2) kernel/printk/printk.c:291 (discriminator 2) kernel/printk/printk.c:3246 (discriminator 2))
[   52.233658][  T657]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   52.233660][  T657]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   52.233664][  T657]  console_flush_one_record (kernel/printk/printk.c:3268)
[   52.233668][  T657]  ? console_emit_next_record (kernel/printk/printk.c:3150)
[   52.233669][  T657]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   52.233675][  T657]  console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420)
[   52.233677][  T657]  ? console_flush_one_record (kernel/printk/printk.c:3316)
[   52.233678][  T657]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   52.233680][  T657]  ? lock_acquire (kernel/locking/lockdep.c:5913)
[   52.233684][  T657]  ? __down_trylock_console_sem (kernel/printk/printk.c:334)
[   52.233686][  T657]  ? vprintk_emit (kernel/printk/printk.c:2478)
[   52.233689][  T657]  vprintk_emit (kernel/printk/printk.c:2479)
[   52.233692][  T657]  ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126))
[   52.233694][  T657]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   52.233696][  T657]  ? save_trace (kernel/locking/lockdep.c:154 (discriminator 6) kernel/locking/lockdep.c:150 (discriminator 6) kernel/locking/lockdep.c:202 (discriminator 6) kernel/locking/lockdep.c:577 (discriminator 6))
[   52.233698][  T657]  ? find_held_lock (kernel/locking/lockdep.c:5360)
[   52.233702][  T657]  _printk (kernel/printk/printk.c:2504)
[   52.233706][  T657]  ? snapshot_read.cold (user.c:?)
[   52.233708][  T657]  ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4116 (discriminator 3) kernel/rcu/tree.c:4108 (discriminator 3))
[   52.233711][  T657]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380)
[   52.233713][  T657]  ? validate_chain (kernel/locking/lockdep.c:3817 (discriminator 2) kernel/locking/lockdep.c:3837 (discriminator 2) kernel/locking/lockdep.c:3892 (discriminator 2))
[   52.233715][  T657]  ? netdev_name (./include/linux/netdevice.h:5709 (discriminator 1))
[   52.233718][  T657]  ? __netdev_printk (net/core/dev.c:13148 (discriminator 2))
[   52.233721][  T657]  ? do_setlink.isra.0 (net/core/rtnetlink.c:3246)
[   52.233723][  T657]  netdev_info (net/core/dev.c:13195 (discriminator 3))
[   52.233726][  T657]  ? netdev_notice (net/core/dev.c:13194)
[   52.233728][  T657]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[   52.233731][  T657]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554)
[   52.233734][  T657]  ? mark_held_locks (kernel/locking/lockdep.c:4341)
[   52.233738][  T657]  ? do_setlink.isra.0 (net/core/rtnetlink.c:3246)
[   52.233740][  T657]  netif_change_name.cold (net/core/dev.c:1507 (discriminator 3))
[   52.233743][  T657]  ? is_bpf_text_address (./include/linux/rcupdate.h:319 (discriminator 2) ./include/linux/rcupdate.h:880 (discriminator 2) kernel/bpf/core.c:751 (discriminator 2))
[   52.233749][  T657]  ? netdev_adjacent_rename_links (net/core/dev.c:9598)
[   52.233752][  T657]  ? __kernel_text_address (kernel/extable.c:79)
[   52.233755][  T657]  ? write_profile (profile.c:?)
[   52.233759][  T657]  ? __asan_memset (mm/kasan/shadow.c:84 (discriminator 1))
[   52.233764][  T657]  do_setlink.isra.0 (net/core/rtnetlink.c:3246)
[   52.233769][  T657]  ? stack_trace_save (kernel/stacktrace.c:122 (discriminator 1))
[   52.233771][  T657]  ? rtnl_link_get_size (net/core/rtnetlink.c:747)
[   52.233772][  T657]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:388 kernel/rcu/update.c:380)
[   52.233774][  T657]  ? stack_depot_save_flags (lib/stackdepot.c:609 (discriminator 2) lib/stackdepot.c:676 (discriminator 2))
[   52.233778][  T657]  ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4116 (discriminator 3) kernel/rcu/tree.c:4108 (discriminator 3))
[   52.233780][  T657]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380)
[   52.233782][  T657]  ? validate_chain (kernel/locking/lockdep.c:3817 (discriminator 2) kernel/locking/lockdep.c:3837 (discriminator 2) kernel/locking/lockdep.c:3892 (discriminator 2))
[   52.233785][  T657]  ? kasan_save_stack (mm/kasan/common.c:58)
[   52.233788][  T657]  ? kasan_save_stack (mm/kasan/common.c:57)
[   52.233790][  T657]  ? kasan_save_track (mm/kasan/common.c:78)
[   52.233792][  T657]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   52.233795][  T657]  ? netlink_update_listeners (net/netlink/af_netlink.c:532)
[   52.233798][  T657]  ? ___sys_sendmsg (net/socket.c:2744 net/socket.c:2763)
[   52.233808][  T657]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2))
[   52.233810][  T657]  ? rtnl_newlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:366 net/core/rtnetlink.c:4214)
[   52.233813][  T657]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   52.233815][  T657]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   52.233817][  T657]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   52.233818][  T657]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   52.233820][  T657]  ? trace_contention_end (./include/trace/events/lock.h:121 (discriminator 22))
[   52.233823][  T657]  ? __mutex_lock (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:3188 kernel/locking/mutex.c:89 kernel/locking/mutex.c:134 kernel/locking/mutex.c:649 kernel/locking/mutex.c:821)
[   52.233826][  T657]  ? __mutex_lock (kernel/locking/mutex.c:656 (discriminator 1) kernel/locking/mutex.c:821 (discriminator 1))
[   52.233828][  T657]  ? rtnl_newlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:366 net/core/rtnetlink.c:4214)
[   52.233832][  T657]  ? ww_mutex_lock (kernel/locking/mutex.c:934)
[   52.233834][  T657]  ? nla_get_range_signed (lib/nlattr.c:270)
[   52.233839][  T657]  ? __rtnl_newlink (net/core/rtnetlink.c:4063)
[   52.233845][  T657]  rtnl_newlink (net/core/rtnetlink.c:4215)
[   52.233850][  T657]  ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558)
[   52.233852][  T657]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   52.233857][  T657]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2))
[   52.233859][  T657]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[   52.233861][  T657]  ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558)
[   52.233863][  T657]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554)
[   52.233867][  T657]  ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558)
[   52.233869][  T657]  rtnetlink_rcv_msg (net/core/rtnetlink.c:7132)
[   52.233872][  T657]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   52.233873][  T657]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   52.233878][  T657]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2))
[   52.233880][  T657]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[   52.233883][  T657]  netlink_rcv_skb (net/netlink/af_netlink.c:2556)
[   52.233885][  T657]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   52.233888][  T657]  ? netlink_ack (./include/linux/skbuff.h:2718)
[   52.233894][  T657]  ? netlink_deliver_tap (./include/linux/rcupdate.h:319 (discriminator 2) ./include/linux/rcupdate.h:880 (discriminator 2) ./include/net/netns/generic.h:48 (discriminator 2) net/netlink/af_netlink.c:334 (discriminator 2))
[   52.233896][  T657]  ? netlink_deliver_tap (./include/linux/rcupdate.h:319 (discriminator 2) ./include/linux/rcupdate.h:880 (discriminator 2) net/netlink/af_netlink.c:341 (discriminator 2))
[   52.233900][  T657]  netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[   52.233903][  T657]  ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[   52.233906][  T657]  ? __lock_acquire (kernel/locking/lockdep.c:5251 (discriminator 3))
[   52.233910][  T657]  netlink_sendmsg (net/netlink/af_netlink.c:1900)
[   52.233914][  T657]  ? netlink_unicast (./include/net/net_namespace.h:422 (discriminator 7))
[   52.233916][  T657]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554)
[   52.233919][  T657]  ? __might_fault (mm/memory.c:7482 (discriminator 5))
[   52.233922][  T657]  ? __might_fault (mm/memory.c:7482 (discriminator 5))
[   52.233926][  T657]  ____sys_sendmsg (net/socket.c:800 (discriminator 4) net/socket.c:815 (discriminator 4) net/socket.c:2713 (discriminator 4))
[   52.233929][  T657]  ? copy_msghdr_from_user (net/socket.c:2650)
[   52.233931][  T657]  ? get_timestamp.constprop.0 (./include/linux/netdevice.h:5399)
[   52.233933][  T657]  ? move_addr_to_kernel (./include/linux/audit.h:354 (discriminator 1))
[   52.233940][  T657]  ___sys_sendmsg (net/socket.c:2767)
[   52.233943][  T657]  ? copy_msghdr_from_user (net/socket.c:2619)
[   52.233959][  T657]  __sys_sendmsg (net/socket.c:2799)
[   52.233963][  T657]  ? __sys_sendmsg_sock (net/socket.c:2780)
[   52.233969][  T657]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   52.233972][  T657]  do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84)
[   52.233975][  T657]  ? exc_page_fault (arch/x86/mm/fault.c:1489 (discriminator 3) arch/x86/mm/fault.c:1536 (discriminator 3))
[   52.233978][  T657]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[   52.233980][  T657] RIP: 0033:0x7f239c04954e
[   52.233984][  T657] Code: 4d 89 d8 e8 b4 bd 00 00 4c 8b 5d f8 41 8b 93 08 03 00 00 59 5e 48 83 f8 fc 74 11 c9 c3 0f 1f 80 00 00 00 00 48 8b 45 10 0f 05 <c9> c3 83 e2 39 83 fa 08 75 e7 e8 03 ff ff ff 0f 1f 00 f3 0f 1e fa
All code
========
   0:	4d 89 d8             	mov    %r11,%r8
   3:	e8 b4 bd 00 00       	call   0xbdbc
   8:	4c 8b 5d f8          	mov    -0x8(%rbp),%r11
   c:	41 8b 93 08 03 00 00 	mov    0x308(%r11),%edx
  13:	59                   	pop    %rcx
  14:	5e                   	pop    %rsi
  15:	48 83 f8 fc          	cmp    $0xfffffffffffffffc,%rax
  19:	74 11                	je     0x2c
  1b:	c9                   	leave
  1c:	c3                   	ret
  1d:	0f 1f 80 00 00 00 00 	nopl   0x0(%rax)
  24:	48 8b 45 10          	mov    0x10(%rbp),%rax
  28:	0f 05                	syscall
  2a:*	c9                   	leave		<-- trapping instruction
  2b:	c3                   	ret
  2c:	83 e2 39             	and    $0x39,%edx
  2f:	83 fa 08             	cmp    $0x8,%edx
  32:	75 e7                	jne    0x1b
  34:	e8 03 ff ff ff       	call   0xffffffffffffff3c
  39:	0f 1f 00             	nopl   (%rax)
  3c:	f3 0f 1e fa          	endbr64

Code starting with the faulting instruction
===========================================
   0:	c9                   	leave
   1:	c3                   	ret
   2:	83 e2 39             	and    $0x39,%edx
   5:	83 fa 08             	cmp    $0x8,%edx
   8:	75 e7                	jne    0xfffffffffffffff1
   a:	e8 03 ff ff ff       	call   0xffffffffffffff12
   f:	0f 1f 00             	nopl   (%rax)
  12:	f3 0f 1e fa          	endbr64
[   52.233986][  T657] RSP: 002b:00007ffce3e38b40 EFLAGS: 00000202 ORIG_RAX: 000000000000002e
[   52.233988][  T657] RAX: ffffffffffffffda RBX: 0000000000000003 RCX: 00007f239c04954e
[   52.233990][  T657] RDX: 0000000000000000 RSI: 00007ffce3e38bf0 RDI: 0000000000000005
[   52.233991][  T657] RBP: 00007ffce3e38b50 R08: 0000000000000000 R09: 0000000000000000
[   52.233991][  T657] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a9161a3
[   52.233992][  T657] R13: 00000000004a1620 R14: 0000000000000000 R15: 00007ffce3e392c0
| [   53.303979][  T668] softirqs last disabled at (25236): netif_change_name (./include/linux/spinlock.h:353 ./include/linux/seqlock.h:908 net/core/dev.c:1499)
| [   53.303982][  T668] Preemption disabled at:
| [   53.303983][  T668] vprintk_emit (kernel/printk/printk.c:2471)
| [   53.303992][  T668] Tainted: [W]=WARN
[   53.303993][  T668] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   53.303994][  T668] Call Trace:
[   53.303996][  T668]  <TASK>
[   53.303997][  T668]  dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120)
[   53.304002][  T668]  ? vprintk_emit (kernel/printk/printk.c:2471)
[   53.304004][  T668]  __might_resched.cold (kernel/sched/core.c:9234)
[   53.304009][  T668]  ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3))
[   53.304012][  T668]  ? __kmalloc_noprof (./include/linux/sched/mm.h:317 mm/slub.c:4636 mm/slub.c:4974 mm/slub.c:5413 mm/slub.c:5439)
[   53.304017][  T668]  __kmalloc_noprof (./include/linux/sched/mm.h:322 (discriminator 2) mm/slub.c:4636 (discriminator 2) mm/slub.c:4974 (discriminator 2) mm/slub.c:5413 (discriminator 2) mm/slub.c:5439 (discriminator 2))
[   53.304020][  T668]  ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[   53.304026][  T668]  ? do_raw_spin_unlock (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:32 ./include/asm-generic/qspinlock.h:58 kernel/locking/spinlock_debug.c:101 kernel/locking/spinlock_debug.c:141)
[   53.304029][  T668]  alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[   53.304033][  T668]  put_chars (drivers/char/virtio_console.c:1176)
[   53.304036][  T668]  ? __send_to_port (drivers/char/virtio_console.c:654)
[   53.304039][  T668]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380)
[   53.304043][  T668]  ? validate_chain (kernel/locking/lockdep.c:3817 (discriminator 2) kernel/locking/lockdep.c:3837 (discriminator 2) kernel/locking/lockdep.c:3892 (discriminator 2))
[   53.304048][  T668]  hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2))
[   53.304052][  T668]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   53.304054][  T668]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   53.304058][  T668]  ? hvc_write (drivers/tty/hvc/hvc_console.c:501)
[   53.304062][  T668]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   53.304064][  T668]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   53.304069][  T668]  console_emit_next_record (kernel/printk/printk.c:3183)
[   53.304072][  T668]  ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20)
[   53.304074][  T668]  ? console_flush_one_record (./include/linux/rcupdate.h:314 (discriminator 2) ./include/linux/srcu.h:439 (discriminator 2) kernel/printk/printk.c:291 (discriminator 2) kernel/printk/printk.c:3246 (discriminator 2))
[   53.304076][  T668]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   53.304078][  T668]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   53.304082][  T668]  console_flush_one_record (kernel/printk/printk.c:3268)
[   53.304086][  T668]  ? console_emit_next_record (kernel/printk/printk.c:3150)
[   53.304088][  T668]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   53.304094][  T668]  console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420)
[   53.304097][  T668]  ? console_flush_one_record (kernel/printk/printk.c:3316)
[   53.304098][  T668]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   53.304100][  T668]  ? lock_acquire (kernel/locking/lockdep.c:5913)
[   53.304104][  T668]  ? __down_trylock_console_sem (kernel/printk/printk.c:334)
[   53.304106][  T668]  ? vprintk_emit (kernel/printk/printk.c:2478)
[   53.304109][  T668]  vprintk_emit (kernel/printk/printk.c:2479)
[   53.304112][  T668]  ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126))
[   53.304114][  T668]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   53.304116][  T668]  ? save_trace (kernel/locking/lockdep.c:154 (discriminator 6) kernel/locking/lockdep.c:150 (discriminator 6) kernel/locking/lockdep.c:202 (discriminator 6) kernel/locking/lockdep.c:577 (discriminator 6))
[   53.304118][  T668]  ? find_held_lock (kernel/locking/lockdep.c:5360)
[   53.304122][  T668]  _printk (kernel/printk/printk.c:2504)
[   53.304126][  T668]  ? snapshot_read.cold (user.c:?)
[   53.304127][  T668]  ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4116 (discriminator 3) kernel/rcu/tree.c:4108 (discriminator 3))
[   53.304131][  T668]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380)
[   53.304133][  T668]  ? validate_chain (kernel/locking/lockdep.c:3817 (discriminator 2) kernel/locking/lockdep.c:3837 (discriminator 2) kernel/locking/lockdep.c:3892 (discriminator 2))
[   53.304135][  T668]  ? netdev_name (./include/linux/netdevice.h:5709 (discriminator 1))
[   53.304141][  T668]  ? __netdev_printk (net/core/dev.c:13148 (discriminator 2))
[   53.304143][  T668]  ? do_setlink.isra.0 (net/core/rtnetlink.c:3246)
[   53.304146][  T668]  netdev_info (net/core/dev.c:13195 (discriminator 3))
[   53.304148][  T668]  ? netdev_notice (net/core/dev.c:13194)
[   53.304151][  T668]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[   53.304154][  T668]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554)
[   53.304157][  T668]  ? mark_held_locks (kernel/locking/lockdep.c:4341)
[   53.304160][  T668]  ? do_setlink.isra.0 (net/core/rtnetlink.c:3246)
[   53.304162][  T668]  netif_change_name.cold (net/core/dev.c:1507 (discriminator 3))
[   53.304165][  T668]  ? is_bpf_text_address (./include/linux/rcupdate.h:319 (discriminator 2) ./include/linux/rcupdate.h:880 (discriminator 2) kernel/bpf/core.c:751 (discriminator 2))
[   53.304171][  T668]  ? netdev_adjacent_rename_links (net/core/dev.c:9598)
[   53.304174][  T668]  ? __kernel_text_address (kernel/extable.c:79)
[   53.304177][  T668]  ? write_profile (profile.c:?)
[   53.304181][  T668]  ? __asan_memset (mm/kasan/shadow.c:84 (discriminator 1))
[   53.304186][  T668]  do_setlink.isra.0 (net/core/rtnetlink.c:3246)
[   53.304190][  T668]  ? stack_trace_save (kernel/stacktrace.c:122 (discriminator 1))
[   53.304193][  T668]  ? rtnl_link_get_size (net/core/rtnetlink.c:747)
[   53.304194][  T668]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:388 kernel/rcu/update.c:380)
[   53.304196][  T668]  ? stack_depot_save_flags (lib/stackdepot.c:609 (discriminator 2) lib/stackdepot.c:676 (discriminator 2))
[   53.304199][  T668]  ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4116 (discriminator 3) kernel/rcu/tree.c:4108 (discriminator 3))
[   53.304202][  T668]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380)
[   53.304204][  T668]  ? validate_chain (kernel/locking/lockdep.c:3817 (discriminator 2) kernel/locking/lockdep.c:3837 (discriminator 2) kernel/locking/lockdep.c:3892 (discriminator 2))
[   53.304206][  T668]  ? kasan_save_stack (mm/kasan/common.c:58)
[   53.304209][  T668]  ? kasan_save_stack (mm/kasan/common.c:57)
[   53.304211][  T668]  ? kasan_save_track (mm/kasan/common.c:78)
[   53.304214][  T668]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   53.304216][  T668]  ? netlink_update_listeners (net/netlink/af_netlink.c:532)
[   53.304219][  T668]  ? ___sys_sendmsg (net/socket.c:2744 net/socket.c:2763)
[   53.304224][  T668]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2))
[   53.304226][  T668]  ? rtnl_newlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:366 net/core/rtnetlink.c:4214)
[   53.304229][  T668]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   53.304231][  T668]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   53.304232][  T668]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   53.304234][  T668]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   53.304236][  T668]  ? trace_contention_end (./include/trace/events/lock.h:121 (discriminator 22))
[   53.304238][  T668]  ? __mutex_lock (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:3188 kernel/locking/mutex.c:89 kernel/locking/mutex.c:134 kernel/locking/mutex.c:649 kernel/locking/mutex.c:821)
[   53.304242][  T668]  ? __mutex_lock (kernel/locking/mutex.c:656 (discriminator 1) kernel/locking/mutex.c:821 (discriminator 1))
[   53.304244][  T668]  ? rtnl_newlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:366 net/core/rtnetlink.c:4214)
[   53.304248][  T668]  ? ww_mutex_lock (kernel/locking/mutex.c:934)
[   53.304250][  T668]  ? nla_get_range_signed (lib/nlattr.c:270)
[   53.304256][  T668]  ? __rtnl_newlink (net/core/rtnetlink.c:4063)
[   53.304261][  T668]  rtnl_newlink (net/core/rtnetlink.c:4215)
[   53.304266][  T668]  ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558)
[   53.304268][  T668]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   53.304273][  T668]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2))
[   53.304275][  T668]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[   53.304277][  T668]  ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558)
[   53.304279][  T668]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554)
[   53.304283][  T668]  ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558)
[   53.304285][  T668]  rtnetlink_rcv_msg (net/core/rtnetlink.c:7132)
[   53.304288][  T668]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   53.304290][  T668]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   53.304295][  T668]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2))
[   53.304297][  T668]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[   53.304300][  T668]  netlink_rcv_skb (net/netlink/af_netlink.c:2556)
[   53.304302][  T668]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   53.304305][  T668]  ? netlink_ack (./include/linux/skbuff.h:2718)
[   53.304311][  T668]  ? netlink_deliver_tap (./include/linux/rcupdate.h:319 (discriminator 2) ./include/linux/rcupdate.h:880 (discriminator 2) ./include/net/netns/generic.h:48 (discriminator 2) net/netlink/af_netlink.c:334 (discriminator 2))
[   53.304313][  T668]  ? netlink_deliver_tap (./include/linux/rcupdate.h:319 (discriminator 2) ./include/linux/rcupdate.h:880 (discriminator 2) net/netlink/af_netlink.c:341 (discriminator 2))
[   53.304317][  T668]  netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[   53.304321][  T668]  ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[   53.304324][  T668]  ? __lock_acquire (kernel/locking/lockdep.c:5251 (discriminator 3))
[   53.304328][  T668]  netlink_sendmsg (net/netlink/af_netlink.c:1900)
[   53.304332][  T668]  ? netlink_unicast (./include/net/net_namespace.h:422 (discriminator 7))
[   53.304333][  T668]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554)
[   53.304336][  T668]  ? __might_fault (mm/memory.c:7482 (discriminator 5))
[   53.304340][  T668]  ? __might_fault (mm/memory.c:7482 (discriminator 5))
[   53.304344][  T668]  ____sys_sendmsg (net/socket.c:800 (discriminator 4) net/socket.c:815 (discriminator 4) net/socket.c:2713 (discriminator 4))
[   53.304347][  T668]  ? copy_msghdr_from_user (net/socket.c:2650)
[   53.304349][  T668]  ? get_timestamp.constprop.0 (./include/linux/netdevice.h:5399)
[   53.304351][  T668]  ? move_addr_to_kernel (./include/linux/audit.h:354 (discriminator 1))
[   53.304358][  T668]  ___sys_sendmsg (net/socket.c:2767)
[   53.304361][  T668]  ? copy_msghdr_from_user (net/socket.c:2619)
[   53.304377][  T668]  __sys_sendmsg (net/socket.c:2799)
[   53.304381][  T668]  ? __sys_sendmsg_sock (net/socket.c:2780)
[   53.304387][  T668]  ? fpregs_restore_userregs (./include/linux/instrumented.h:97 ./include/asm-generic/bitops/instrumented-atomic.h:41 ./include/linux/thread_info.h:109 arch/x86/kernel/fpu/context.h:79)
[   53.304390][  T668]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   53.304394][  T668]  do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84)
[   53.304397][  T668]  ? exc_page_fault (arch/x86/mm/fault.c:1489 (discriminator 3) arch/x86/mm/fault.c:1536 (discriminator 3))
[   53.304401][  T668]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[   53.304403][  T668] RIP: 0033:0x7f9388d6254e
[   53.304407][  T668] Code: 4d 89 d8 e8 b4 bd 00 00 4c 8b 5d f8 41 8b 93 08 03 00 00 59 5e 48 83 f8 fc 74 11 c9 c3 0f 1f 80 00 00 00 00 48 8b 45 10 0f 05 <c9> c3 83 e2 39 83 fa 08 75 e7 e8 03 ff ff ff 0f 1f 00 f3 0f 1e fa
All code
========
   0:	4d 89 d8             	mov    %r11,%r8
   3:	e8 b4 bd 00 00       	call   0xbdbc
   8:	4c 8b 5d f8          	mov    -0x8(%rbp),%r11
   c:	41 8b 93 08 03 00 00 	mov    0x308(%r11),%edx
  13:	59                   	pop    %rcx
  14:	5e                   	pop    %rsi
  15:	48 83 f8 fc          	cmp    $0xfffffffffffffffc,%rax
  19:	74 11                	je     0x2c
  1b:	c9                   	leave
  1c:	c3                   	ret
  1d:	0f 1f 80 00 00 00 00 	nopl   0x0(%rax)
  24:	48 8b 45 10          	mov    0x10(%rbp),%rax
  28:	0f 05                	syscall
  2a:*	c9                   	leave		<-- trapping instruction
  2b:	c3                   	ret
  2c:	83 e2 39             	and    $0x39,%edx
  2f:	83 fa 08             	cmp    $0x8,%edx
  32:	75 e7                	jne    0x1b
  34:	e8 03 ff ff ff       	call   0xffffffffffffff3c
  39:	0f 1f 00             	nopl   (%rax)
  3c:	f3 0f 1e fa          	endbr64

Code starting with the faulting instruction
===========================================
   0:	c9                   	leave
   1:	c3                   	ret
   2:	83 e2 39             	and    $0x39,%edx
   5:	83 fa 08             	cmp    $0x8,%edx
   8:	75 e7                	jne    0xfffffffffffffff1
   a:	e8 03 ff ff ff       	call   0xffffffffffffff12
   f:	0f 1f 00             	nopl   (%rax)
  12:	f3 0f 1e fa          	endbr64
[   53.304408][  T668] RSP: 002b:00007ffc50f7c800 EFLAGS: 00000202 ORIG_RAX: 000000000000002e
[   53.304411][  T668] RAX: ffffffffffffffda RBX: 0000000000000003 RCX: 00007f9388d6254e
[   53.304413][  T668] RDX: 0000000000000000 RSI: 00007ffc50f7c8b0 RDI: 0000000000000005
[   53.304413][  T668] RBP: 00007ffc50f7c810 R08: 0000000000000000 R09: 0000000000000000
[   53.304414][  T668] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a9161a4
[   53.304415][  T668] R13: 00000000004a1620 R14: 0000000000000000 R15: 00007ffc50f7cf80
| [   54.363721][  T677] softirqs last disabled at (17836): netif_change_name (./include/linux/spinlock.h:353 ./include/linux/seqlock.h:908 net/core/dev.c:1499)
| [   54.363723][  T677] Preemption disabled at:
| [   54.363724][  T677] vprintk_emit (kernel/printk/printk.c:2471)
| [   54.363733][  T677] Tainted: [W]=WARN
[   54.363733][  T677] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   54.363735][  T677] Call Trace:
[   54.363737][  T677]  <TASK>
[   54.363738][  T677]  dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120)
[   54.363743][  T677]  ? vprintk_emit (kernel/printk/printk.c:2471)
[   54.363745][  T677]  __might_resched.cold (kernel/sched/core.c:9234)
[   54.363750][  T677]  ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3))
[   54.363753][  T677]  ? __kmalloc_noprof (./include/linux/sched/mm.h:317 mm/slub.c:4636 mm/slub.c:4974 mm/slub.c:5413 mm/slub.c:5439)
[   54.363758][  T677]  __kmalloc_noprof (./include/linux/sched/mm.h:322 (discriminator 2) mm/slub.c:4636 (discriminator 2) mm/slub.c:4974 (discriminator 2) mm/slub.c:5413 (discriminator 2) mm/slub.c:5439 (discriminator 2))
[   54.363760][  T677]  ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[   54.363767][  T677]  ? do_raw_spin_unlock (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:32 ./include/asm-generic/qspinlock.h:58 kernel/locking/spinlock_debug.c:101 kernel/locking/spinlock_debug.c:141)
[   54.363769][  T677]  alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[   54.363773][  T677]  put_chars (drivers/char/virtio_console.c:1176)
[   54.363776][  T677]  ? __send_to_port (drivers/char/virtio_console.c:654)
[   54.363779][  T677]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380)
[   54.363783][  T677]  ? validate_chain (kernel/locking/lockdep.c:3817 (discriminator 2) kernel/locking/lockdep.c:3837 (discriminator 2) kernel/locking/lockdep.c:3892 (discriminator 2))
[   54.363787][  T677]  hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2))
[   54.363791][  T677]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   54.363793][  T677]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   54.363798][  T677]  ? hvc_write (drivers/tty/hvc/hvc_console.c:501)
[   54.363801][  T677]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   54.363803][  T677]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   54.363813][  T677]  console_emit_next_record (kernel/printk/printk.c:3183)
[   54.363816][  T677]  ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20)
[   54.363818][  T677]  ? console_flush_one_record (./include/linux/rcupdate.h:314 (discriminator 2) ./include/linux/srcu.h:439 (discriminator 2) kernel/printk/printk.c:291 (discriminator 2) kernel/printk/printk.c:3246 (discriminator 2))
[   54.363820][  T677]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   54.363822][  T677]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   54.363826][  T677]  console_flush_one_record (kernel/printk/printk.c:3268)
[   54.363830][  T677]  ? console_emit_next_record (kernel/printk/printk.c:3150)
[   54.363832][  T677]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   54.363837][  T677]  console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420)
[   54.363840][  T677]  ? console_flush_one_record (kernel/printk/printk.c:3316)
[   54.363841][  T677]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   54.363843][  T677]  ? lock_acquire (kernel/locking/lockdep.c:5913)
[   54.363847][  T677]  ? __down_trylock_console_sem (kernel/printk/printk.c:334)
[   54.363849][  T677]  ? vprintk_emit (kernel/printk/printk.c:2478)
[   54.363852][  T677]  vprintk_emit (kernel/printk/printk.c:2479)
[   54.363855][  T677]  ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126))
[   54.363857][  T677]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   54.363859][  T677]  ? save_trace (kernel/locking/lockdep.c:154 (discriminator 6) kernel/locking/lockdep.c:150 (discriminator 6) kernel/locking/lockdep.c:202 (discriminator 6) kernel/locking/lockdep.c:577 (discriminator 6))
[   54.363861][  T677]  ? find_held_lock (kernel/locking/lockdep.c:5360)
[   54.363865][  T677]  _printk (kernel/printk/printk.c:2504)
[   54.363869][  T677]  ? snapshot_read.cold (user.c:?)
[   54.363870][  T677]  ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4116 (discriminator 3) kernel/rcu/tree.c:4108 (discriminator 3))
[   54.363873][  T677]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380)
[   54.363875][  T677]  ? validate_chain (kernel/locking/lockdep.c:3817 (discriminator 2) kernel/locking/lockdep.c:3837 (discriminator 2) kernel/locking/lockdep.c:3892 (discriminator 2))
[   54.363877][  T677]  ? netdev_name (./include/linux/netdevice.h:5709 (discriminator 1))
[   54.363881][  T677]  ? __netdev_printk (net/core/dev.c:13148 (discriminator 2))
[   54.363883][  T677]  ? do_setlink.isra.0 (net/core/rtnetlink.c:3246)
[   54.363885][  T677]  netdev_info (net/core/dev.c:13195 (discriminator 3))
[   54.363888][  T677]  ? netdev_notice (net/core/dev.c:13194)
[   54.363891][  T677]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[   54.363894][  T677]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554)
[   54.363896][  T677]  ? mark_held_locks (kernel/locking/lockdep.c:4341)
[   54.363900][  T677]  ? do_setlink.isra.0 (net/core/rtnetlink.c:3246)
[   54.363902][  T677]  netif_change_name.cold (net/core/dev.c:1507 (discriminator 3))
[   54.363905][  T677]  ? is_bpf_text_address (./include/linux/rcupdate.h:319 (discriminator 2) ./include/linux/rcupdate.h:880 (discriminator 2) kernel/bpf/core.c:751 (discriminator 2))
[   54.363911][  T677]  ? netdev_adjacent_rename_links (net/core/dev.c:9598)
[   54.363914][  T677]  ? __kernel_text_address (kernel/extable.c:79)
[   54.363917][  T677]  ? write_profile (profile.c:?)
[   54.363921][  T677]  ? __asan_memset (mm/kasan/shadow.c:84 (discriminator 1))
[   54.363926][  T677]  do_setlink.isra.0 (net/core/rtnetlink.c:3246)
[   54.363930][  T677]  ? stack_trace_save (kernel/stacktrace.c:122 (discriminator 1))
[   54.363932][  T677]  ? rtnl_link_get_size (net/core/rtnetlink.c:747)
[   54.363934][  T677]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:388 kernel/rcu/update.c:380)
[   54.363936][  T677]  ? stack_depot_save_flags (lib/stackdepot.c:609 (discriminator 2) lib/stackdepot.c:676 (discriminator 2))
[   54.363939][  T677]  ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4116 (discriminator 3) kernel/rcu/tree.c:4108 (discriminator 3))
[   54.363942][  T677]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380)
[   54.363943][  T677]  ? validate_chain (kernel/locking/lockdep.c:3817 (discriminator 2) kernel/locking/lockdep.c:3837 (discriminator 2) kernel/locking/lockdep.c:3892 (discriminator 2))
[   54.363946][  T677]  ? kasan_save_stack (mm/kasan/common.c:58)
[   54.363949][  T677]  ? kasan_save_stack (mm/kasan/common.c:57)
[   54.363951][  T677]  ? kasan_save_track (mm/kasan/common.c:78)
[   54.363954][  T677]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   54.363956][  T677]  ? netlink_update_listeners (net/netlink/af_netlink.c:532)
[   54.363959][  T677]  ? ___sys_sendmsg (net/socket.c:2744 net/socket.c:2763)
[   54.363963][  T677]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2))
[   54.363966][  T677]  ? rtnl_newlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:366 net/core/rtnetlink.c:4214)
[   54.363968][  T677]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   54.363970][  T677]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   54.363972][  T677]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   54.363973][  T677]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   54.363975][  T677]  ? trace_contention_end (./include/trace/events/lock.h:121 (discriminator 22))
[   54.363978][  T677]  ? __mutex_lock (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:3188 kernel/locking/mutex.c:89 kernel/locking/mutex.c:134 kernel/locking/mutex.c:649 kernel/locking/mutex.c:821)
[   54.363981][  T677]  ? __mutex_lock (kernel/locking/mutex.c:656 (discriminator 1) kernel/locking/mutex.c:821 (discriminator 1))
[   54.363983][  T677]  ? rtnl_newlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:366 net/core/rtnetlink.c:4214)
[   54.363987][  T677]  ? ww_mutex_lock (kernel/locking/mutex.c:934)
[   54.363989][  T677]  ? nla_get_range_signed (lib/nlattr.c:270)
[   54.363994][  T677]  ? __rtnl_newlink (net/core/rtnetlink.c:4063)
[   54.364000][  T677]  rtnl_newlink (net/core/rtnetlink.c:4215)
[   54.364005][  T677]  ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558)
[   54.364007][  T677]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   54.364012][  T677]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2))
[   54.364014][  T677]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[   54.364016][  T677]  ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558)
[   54.364018][  T677]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554)
[   54.364022][  T677]  ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558)
[   54.364024][  T677]  rtnetlink_rcv_msg (net/core/rtnetlink.c:7132)
[   54.364027][  T677]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   54.364028][  T677]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   54.364033][  T677]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2))
[   54.364035][  T677]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[   54.364039][  T677]  netlink_rcv_skb (net/netlink/af_netlink.c:2556)
[   54.364041][  T677]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   54.364045][  T677]  ? netlink_ack (./include/linux/skbuff.h:2718)
[   54.364052][  T677]  ? netlink_deliver_tap (./include/linux/rcupdate.h:319 (discriminator 2) ./include/linux/rcupdate.h:880 (discriminator 2) ./include/net/netns/generic.h:48 (discriminator 2) net/netlink/af_netlink.c:334 (discriminator 2))
[   54.364054][  T677]  ? netlink_deliver_tap (./include/linux/rcupdate.h:319 (discriminator 2) ./include/linux/rcupdate.h:880 (discriminator 2) net/netlink/af_netlink.c:341 (discriminator 2))
[   54.364058][  T677]  netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[   54.364062][  T677]  ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[   54.364065][  T677]  ? __lock_acquire (kernel/locking/lockdep.c:5251 (discriminator 3))
[   54.364069][  T677]  netlink_sendmsg (net/netlink/af_netlink.c:1900)
[   54.364073][  T677]  ? netlink_unicast (./include/net/net_namespace.h:422 (discriminator 7))
[   54.364074][  T677]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554)
[   54.364077][  T677]  ? __might_fault (mm/memory.c:7482 (discriminator 5))
[   54.364081][  T677]  ? __might_fault (mm/memory.c:7482 (discriminator 5))
[   54.364085][  T677]  ____sys_sendmsg (net/socket.c:800 (discriminator 4) net/socket.c:815 (discriminator 4) net/socket.c:2713 (discriminator 4))
[   54.364087][  T677]  ? copy_msghdr_from_user (net/socket.c:2650)
[   54.364090][  T677]  ? get_timestamp.constprop.0 (./include/linux/netdevice.h:5399)
[   54.364091][  T677]  ? move_addr_to_kernel (./include/linux/audit.h:354 (discriminator 1))
[   54.364100][  T677]  ___sys_sendmsg (net/socket.c:2767)
[   54.364104][  T677]  ? copy_msghdr_from_user (net/socket.c:2619)
[   54.364120][  T677]  __sys_sendmsg (net/socket.c:2799)
[   54.364123][  T677]  ? __sys_sendmsg_sock (net/socket.c:2780)
[   54.364129][  T677]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   54.364132][  T677]  do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84)
[   54.364135][  T677]  ? exc_page_fault (arch/x86/mm/fault.c:1489 (discriminator 3) arch/x86/mm/fault.c:1536 (discriminator 3))
[   54.364140][  T677]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[   54.364142][  T677] RIP: 0033:0x7fd06c91c54e
[   54.364146][  T677] Code: 4d 89 d8 e8 b4 bd 00 00 4c 8b 5d f8 41 8b 93 08 03 00 00 59 5e 48 83 f8 fc 74 11 c9 c3 0f 1f 80 00 00 00 00 48 8b 45 10 0f 05 <c9> c3 83 e2 39 83 fa 08 75 e7 e8 03 ff ff ff 0f 1f 00 f3 0f 1e fa
All code
========
   0:	4d 89 d8             	mov    %r11,%r8
   3:	e8 b4 bd 00 00       	call   0xbdbc
   8:	4c 8b 5d f8          	mov    -0x8(%rbp),%r11
   c:	41 8b 93 08 03 00 00 	mov    0x308(%r11),%edx
  13:	59                   	pop    %rcx
  14:	5e                   	pop    %rsi
  15:	48 83 f8 fc          	cmp    $0xfffffffffffffffc,%rax
  19:	74 11                	je     0x2c
  1b:	c9                   	leave
  1c:	c3                   	ret
  1d:	0f 1f 80 00 00 00 00 	nopl   0x0(%rax)
  24:	48 8b 45 10          	mov    0x10(%rbp),%rax
  28:	0f 05                	syscall
  2a:*	c9                   	leave		<-- trapping instruction
  2b:	c3                   	ret
  2c:	83 e2 39             	and    $0x39,%edx
  2f:	83 fa 08             	cmp    $0x8,%edx
  32:	75 e7                	jne    0x1b
  34:	e8 03 ff ff ff       	call   0xffffffffffffff3c
  39:	0f 1f 00             	nopl   (%rax)
  3c:	f3 0f 1e fa          	endbr64

Code starting with the faulting instruction
===========================================
   0:	c9                   	leave
   1:	c3                   	ret
   2:	83 e2 39             	and    $0x39,%edx
   5:	83 fa 08             	cmp    $0x8,%edx
   8:	75 e7                	jne    0xfffffffffffffff1
   a:	e8 03 ff ff ff       	call   0xffffffffffffff12
   f:	0f 1f 00             	nopl   (%rax)
  12:	f3 0f 1e fa          	endbr64
[   54.364148][  T677] RSP: 002b:00007fff3440d850 EFLAGS: 00000202 ORIG_RAX: 000000000000002e
[   54.364150][  T677] RAX: ffffffffffffffda RBX: 0000000000000003 RCX: 00007fd06c91c54e
[   54.364152][  T677] RDX: 0000000000000000 RSI: 00007fff3440d900 RDI: 0000000000000005
[   54.364153][  T677] RBP: 00007fff3440d860 R08: 0000000000000000 R09: 0000000000000000
[   54.364154][  T677] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a9161a5
[   54.364155][  T677] R13: 00000000004a1620 R14: 0000000000000000 R15: 00007fff3440dfd0
| [   55.467857][  T687] softirqs last disabled at (19592): netif_change_name (./include/linux/spinlock.h:353 ./include/linux/seqlock.h:908 net/core/dev.c:1499)
| [   55.467860][  T687] Preemption disabled at:
| [   55.467860][  T687] vprintk_emit (kernel/printk/printk.c:2471)
| [   55.467869][  T687] Tainted: [W]=WARN
[   55.467870][  T687] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   55.467872][  T687] Call Trace:
[   55.467874][  T687]  <TASK>
[   55.467875][  T687]  dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120)
[   55.467880][  T687]  ? vprintk_emit (kernel/printk/printk.c:2471)
[   55.467882][  T687]  __might_resched.cold (kernel/sched/core.c:9234)
[   55.467886][  T687]  ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3))
[   55.467890][  T687]  ? __kmalloc_noprof (./include/linux/sched/mm.h:317 mm/slub.c:4636 mm/slub.c:4974 mm/slub.c:5413 mm/slub.c:5439)
[   55.467895][  T687]  __kmalloc_noprof (./include/linux/sched/mm.h:322 (discriminator 2) mm/slub.c:4636 (discriminator 2) mm/slub.c:4974 (discriminator 2) mm/slub.c:5413 (discriminator 2) mm/slub.c:5439 (discriminator 2))
[   55.467897][  T687]  ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[   55.467903][  T687]  ? do_raw_spin_unlock (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:32 ./include/asm-generic/qspinlock.h:58 kernel/locking/spinlock_debug.c:101 kernel/locking/spinlock_debug.c:141)
[   55.467906][  T687]  alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[   55.467909][  T687]  put_chars (drivers/char/virtio_console.c:1176)
[   55.467912][  T687]  ? __send_to_port (drivers/char/virtio_console.c:654)
[   55.467916][  T687]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380)
[   55.467919][  T687]  ? validate_chain (kernel/locking/lockdep.c:3817 (discriminator 2) kernel/locking/lockdep.c:3837 (discriminator 2) kernel/locking/lockdep.c:3892 (discriminator 2))
[   55.467924][  T687]  hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2))
[   55.467928][  T687]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   55.467929][  T687]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   55.467934][  T687]  ? hvc_write (drivers/tty/hvc/hvc_console.c:501)
[   55.467937][  T687]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   55.467940][  T687]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   55.467944][  T687]  console_emit_next_record (kernel/printk/printk.c:3183)
[   55.467948][  T687]  ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20)
[   55.467949][  T687]  ? console_flush_one_record (./include/linux/rcupdate.h:314 (discriminator 2) ./include/linux/srcu.h:439 (discriminator 2) kernel/printk/printk.c:291 (discriminator 2) kernel/printk/printk.c:3246 (discriminator 2))
[   55.467952][  T687]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   55.467954][  T687]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   55.467958][  T687]  console_flush_one_record (kernel/printk/printk.c:3268)
[   55.467961][  T687]  ? console_emit_next_record (kernel/printk/printk.c:3150)
[   55.467963][  T687]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   55.467968][  T687]  console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420)
[   55.467970][  T687]  ? console_flush_one_record (kernel/printk/printk.c:3316)
[   55.467972][  T687]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   55.467973][  T687]  ? lock_acquire (kernel/locking/lockdep.c:5913)
[   55.467977][  T687]  ? __down_trylock_console_sem (kernel/printk/printk.c:334)
[   55.467979][  T687]  ? vprintk_emit (kernel/printk/printk.c:2478)
[   55.467982][  T687]  vprintk_emit (kernel/printk/printk.c:2479)
[   55.467985][  T687]  ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126))
[   55.467987][  T687]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   55.467989][  T687]  ? save_trace (kernel/locking/lockdep.c:154 (discriminator 6) kernel/locking/lockdep.c:150 (discriminator 6) kernel/locking/lockdep.c:202 (discriminator 6) kernel/locking/lockdep.c:577 (discriminator 6))
[   55.467991][  T687]  ? find_held_lock (kernel/locking/lockdep.c:5360)
[   55.467995][  T687]  _printk (kernel/printk/printk.c:2504)
[   55.467998][  T687]  ? snapshot_read.cold (user.c:?)
[   55.468000][  T687]  ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4116 (discriminator 3) kernel/rcu/tree.c:4108 (discriminator 3))
[   55.468003][  T687]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380)
[   55.468005][  T687]  ? validate_chain (kernel/locking/lockdep.c:3817 (discriminator 2) kernel/locking/lockdep.c:3837 (discriminator 2) kernel/locking/lockdep.c:3892 (discriminator 2))
[   55.468007][  T687]  ? netdev_name (./include/linux/netdevice.h:5709 (discriminator 1))
[   55.468010][  T687]  ? __netdev_printk (net/core/dev.c:13148 (discriminator 2))
[   55.468013][  T687]  ? do_setlink.isra.0 (net/core/rtnetlink.c:3246)
[   55.468015][  T687]  netdev_info (net/core/dev.c:13195 (discriminator 3))
[   55.468018][  T687]  ? netdev_notice (net/core/dev.c:13194)
[   55.468020][  T687]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[   55.468023][  T687]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554)
[   55.468026][  T687]  ? mark_held_locks (kernel/locking/lockdep.c:4341)
[   55.468029][  T687]  ? do_setlink.isra.0 (net/core/rtnetlink.c:3246)
[   55.468031][  T687]  netif_change_name.cold (net/core/dev.c:1507 (discriminator 3))
[   55.468034][  T687]  ? is_bpf_text_address (./include/linux/rcupdate.h:319 (discriminator 2) ./include/linux/rcupdate.h:880 (discriminator 2) kernel/bpf/core.c:751 (discriminator 2))
[   55.468041][  T687]  ? netdev_adjacent_rename_links (net/core/dev.c:9598)
[   55.468044][  T687]  ? __kernel_text_address (kernel/extable.c:79)
[   55.468047][  T687]  ? write_profile (profile.c:?)
[   55.468051][  T687]  ? __asan_memset (mm/kasan/shadow.c:84 (discriminator 1))
[   55.468056][  T687]  do_setlink.isra.0 (net/core/rtnetlink.c:3246)
[   55.468060][  T687]  ? stack_trace_save (kernel/stacktrace.c:122 (discriminator 1))
[   55.468062][  T687]  ? rtnl_link_get_size (net/core/rtnetlink.c:747)
[   55.468063][  T687]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:388 kernel/rcu/update.c:380)
[   55.468065][  T687]  ? stack_depot_save_flags (lib/stackdepot.c:609 (discriminator 2) lib/stackdepot.c:676 (discriminator 2))
[   55.468069][  T687]  ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4116 (discriminator 3) kernel/rcu/tree.c:4108 (discriminator 3))
[   55.468071][  T687]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380)
[   55.468073][  T687]  ? validate_chain (kernel/locking/lockdep.c:3817 (discriminator 2) kernel/locking/lockdep.c:3837 (discriminator 2) kernel/locking/lockdep.c:3892 (discriminator 2))
[   55.468075][  T687]  ? kasan_save_stack (mm/kasan/common.c:58)
[   55.468078][  T687]  ? kasan_save_stack (mm/kasan/common.c:57)
[   55.468080][  T687]  ? kasan_save_track (mm/kasan/common.c:78)
[   55.468082][  T687]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   55.468084][  T687]  ? netlink_update_listeners (net/netlink/af_netlink.c:532)
[   55.468087][  T687]  ? ___sys_sendmsg (net/socket.c:2744 net/socket.c:2763)
[   55.468093][  T687]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2))
[   55.468095][  T687]  ? rtnl_newlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:366 net/core/rtnetlink.c:4214)
[   55.468098][  T687]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   55.468100][  T687]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   55.468101][  T687]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   55.468102][  T687]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   55.468104][  T687]  ? trace_contention_end (./include/trace/events/lock.h:121 (discriminator 22))
[   55.468107][  T687]  ? __mutex_lock (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:3188 kernel/locking/mutex.c:89 kernel/locking/mutex.c:134 kernel/locking/mutex.c:649 kernel/locking/mutex.c:821)
[   55.468110][  T687]  ? __mutex_lock (kernel/locking/mutex.c:656 (discriminator 1) kernel/locking/mutex.c:821 (discriminator 1))
[   55.468112][  T687]  ? rtnl_newlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:366 net/core/rtnetlink.c:4214)
[   55.468115][  T687]  ? ww_mutex_lock (kernel/locking/mutex.c:934)
[   55.468117][  T687]  ? nla_get_range_signed (lib/nlattr.c:270)
[   55.468123][  T687]  ? __rtnl_newlink (net/core/rtnetlink.c:4063)
[   55.468128][  T687]  rtnl_newlink (net/core/rtnetlink.c:4215)
[   55.468133][  T687]  ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558)
[   55.468135][  T687]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   55.468142][  T687]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2))
[   55.468144][  T687]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[   55.468146][  T687]  ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558)
[   55.468148][  T687]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554)
[   55.468152][  T687]  ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558)
[   55.468154][  T687]  rtnetlink_rcv_msg (net/core/rtnetlink.c:7132)
[   55.468157][  T687]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   55.468158][  T687]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   55.468163][  T687]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2))
[   55.468165][  T687]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[   55.468168][  T687]  netlink_rcv_skb (net/netlink/af_netlink.c:2556)
[   55.468170][  T687]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   55.468173][  T687]  ? netlink_ack (./include/linux/skbuff.h:2718)
[   55.468179][  T687]  ? netlink_deliver_tap (./include/linux/rcupdate.h:319 (discriminator 2) ./include/linux/rcupdate.h:880 (discriminator 2) ./include/net/netns/generic.h:48 (discriminator 2) net/netlink/af_netlink.c:334 (discriminator 2))
[   55.468180][  T687]  ? netlink_deliver_tap (./include/linux/rcupdate.h:319 (discriminator 2) ./include/linux/rcupdate.h:880 (discriminator 2) net/netlink/af_netlink.c:341 (discriminator 2))
[   55.468184][  T687]  netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[   55.468188][  T687]  ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[   55.468191][  T687]  ? __lock_acquire (kernel/locking/lockdep.c:5251 (discriminator 3))
[   55.468195][  T687]  netlink_sendmsg (net/netlink/af_netlink.c:1900)
[   55.468198][  T687]  ? netlink_unicast (./include/net/net_namespace.h:422 (discriminator 7))
[   55.468200][  T687]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554)
[   55.468203][  T687]  ? __might_fault (mm/memory.c:7482 (discriminator 5))
[   55.468206][  T687]  ? __might_fault (mm/memory.c:7482 (discriminator 5))
[   55.468210][  T687]  ____sys_sendmsg (net/socket.c:800 (discriminator 4) net/socket.c:815 (discriminator 4) net/socket.c:2713 (discriminator 4))
[   55.468213][  T687]  ? copy_msghdr_from_user (net/socket.c:2650)
[   55.468215][  T687]  ? get_timestamp.constprop.0 (./include/linux/netdevice.h:5399)
[   55.468216][  T687]  ? move_addr_to_kernel (./include/linux/audit.h:354 (discriminator 1))
[   55.468223][  T687]  ___sys_sendmsg (net/socket.c:2767)
[   55.468226][  T687]  ? copy_msghdr_from_user (net/socket.c:2619)
[   55.468241][  T687]  __sys_sendmsg (net/socket.c:2799)
[   55.468245][  T687]  ? __sys_sendmsg_sock (net/socket.c:2780)
[   55.468251][  T687]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   55.468254][  T687]  do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84)
[   55.468256][  T687]  ? exc_page_fault (arch/x86/mm/fault.c:1489 (discriminator 3) arch/x86/mm/fault.c:1536 (discriminator 3))
[   55.468260][  T687]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[   55.468262][  T687] RIP: 0033:0x7f25a4e6d54e
[   55.468266][  T687] Code: 4d 89 d8 e8 b4 bd 00 00 4c 8b 5d f8 41 8b 93 08 03 00 00 59 5e 48 83 f8 fc 74 11 c9 c3 0f 1f 80 00 00 00 00 48 8b 45 10 0f 05 <c9> c3 83 e2 39 83 fa 08 75 e7 e8 03 ff ff ff 0f 1f 00 f3 0f 1e fa
All code
========
   0:	4d 89 d8             	mov    %r11,%r8
   3:	e8 b4 bd 00 00       	call   0xbdbc
   8:	4c 8b 5d f8          	mov    -0x8(%rbp),%r11
   c:	41 8b 93 08 03 00 00 	mov    0x308(%r11),%edx
  13:	59                   	pop    %rcx
  14:	5e                   	pop    %rsi
  15:	48 83 f8 fc          	cmp    $0xfffffffffffffffc,%rax
  19:	74 11                	je     0x2c
  1b:	c9                   	leave
  1c:	c3                   	ret
  1d:	0f 1f 80 00 00 00 00 	nopl   0x0(%rax)
  24:	48 8b 45 10          	mov    0x10(%rbp),%rax
  28:	0f 05                	syscall
  2a:*	c9                   	leave		<-- trapping instruction
  2b:	c3                   	ret
  2c:	83 e2 39             	and    $0x39,%edx
  2f:	83 fa 08             	cmp    $0x8,%edx
  32:	75 e7                	jne    0x1b
  34:	e8 03 ff ff ff       	call   0xffffffffffffff3c
  39:	0f 1f 00             	nopl   (%rax)
  3c:	f3 0f 1e fa          	endbr64

Code starting with the faulting instruction
===========================================
   0:	c9                   	leave
   1:	c3                   	ret
   2:	83 e2 39             	and    $0x39,%edx
   5:	83 fa 08             	cmp    $0x8,%edx
   8:	75 e7                	jne    0xfffffffffffffff1
   a:	e8 03 ff ff ff       	call   0xffffffffffffff12
   f:	0f 1f 00             	nopl   (%rax)
  12:	f3 0f 1e fa          	endbr64
[   55.468267][  T687] RSP: 002b:00007ffec2ef2320 EFLAGS: 00000202 ORIG_RAX: 000000000000002e
[   55.468270][  T687] RAX: ffffffffffffffda RBX: 0000000000000003 RCX: 00007f25a4e6d54e
[   55.468272][  T687] RDX: 0000000000000000 RSI: 00007ffec2ef23d0 RDI: 0000000000000005
[   55.468272][  T687] RBP: 00007ffec2ef2330 R08: 0000000000000000 R09: 0000000000000000
[   55.468273][  T687] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a9161a6
[   55.468274][  T687] R13: 00000000004a1620 R14: 0000000000000000 R15: 00007ffec2ef2aa0
| [   56.605087][  T697] softirqs last disabled at (19406): netif_change_name (./include/linux/spinlock.h:353 ./include/linux/seqlock.h:908 net/core/dev.c:1499)
| [   56.605090][  T697] Preemption disabled at:
| [   56.605090][  T697] vprintk_emit (kernel/printk/printk.c:2471)
| [   56.605100][  T697] Tainted: [W]=WARN
[   56.605101][  T697] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   56.605102][  T697] Call Trace:
[   56.605104][  T697]  <TASK>
[   56.605106][  T697]  dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120)
[   56.605111][  T697]  ? vprintk_emit (kernel/printk/printk.c:2471)
[   56.605113][  T697]  __might_resched.cold (kernel/sched/core.c:9234)
[   56.605118][  T697]  ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3))
[   56.605121][  T697]  ? __kmalloc_noprof (./include/linux/sched/mm.h:317 mm/slub.c:4636 mm/slub.c:4974 mm/slub.c:5413 mm/slub.c:5439)
[   56.605126][  T697]  __kmalloc_noprof (./include/linux/sched/mm.h:322 (discriminator 2) mm/slub.c:4636 (discriminator 2) mm/slub.c:4974 (discriminator 2) mm/slub.c:5413 (discriminator 2) mm/slub.c:5439 (discriminator 2))
[   56.605129][  T697]  ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[   56.605135][  T697]  ? do_raw_spin_unlock (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:32 ./include/asm-generic/qspinlock.h:58 kernel/locking/spinlock_debug.c:101 kernel/locking/spinlock_debug.c:141)
[   56.605141][  T697]  alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[   56.605144][  T697]  put_chars (drivers/char/virtio_console.c:1176)
[   56.605147][  T697]  ? __send_to_port (drivers/char/virtio_console.c:654)
[   56.605151][  T697]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380)
[   56.605154][  T697]  ? validate_chain (kernel/locking/lockdep.c:3817 (discriminator 2) kernel/locking/lockdep.c:3837 (discriminator 2) kernel/locking/lockdep.c:3892 (discriminator 2))
[   56.605159][  T697]  hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2))
[   56.605163][  T697]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   56.605165][  T697]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   56.605170][  T697]  ? hvc_write (drivers/tty/hvc/hvc_console.c:501)
[   56.605173][  T697]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   56.605176][  T697]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   56.605180][  T697]  console_emit_next_record (kernel/printk/printk.c:3183)
[   56.605184][  T697]  ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20)
[   56.605185][  T697]  ? console_flush_one_record (./include/linux/rcupdate.h:314 (discriminator 2) ./include/linux/srcu.h:439 (discriminator 2) kernel/printk/printk.c:291 (discriminator 2) kernel/printk/printk.c:3246 (discriminator 2))
[   56.605188][  T697]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   56.605190][  T697]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   56.605194][  T697]  console_flush_one_record (kernel/printk/printk.c:3268)
[   56.605198][  T697]  ? console_emit_next_record (kernel/printk/printk.c:3150)
[   56.605199][  T697]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   56.605204][  T697]  console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420)
[   56.605207][  T697]  ? console_flush_one_record (kernel/printk/printk.c:3316)
[   56.605208][  T697]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   56.605210][  T697]  ? lock_acquire (kernel/locking/lockdep.c:5913)
[   56.605214][  T697]  ? __down_trylock_console_sem (kernel/printk/printk.c:334)
[   56.605216][  T697]  ? vprintk_emit (kernel/printk/printk.c:2478)
[   56.605219][  T697]  vprintk_emit (kernel/printk/printk.c:2479)
[   56.605222][  T697]  ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126))
[   56.605224][  T697]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   56.605226][  T697]  ? save_trace (kernel/locking/lockdep.c:154 (discriminator 6) kernel/locking/lockdep.c:150 (discriminator 6) kernel/locking/lockdep.c:202 (discriminator 6) kernel/locking/lockdep.c:577 (discriminator 6))
[   56.605228][  T697]  ? find_held_lock (kernel/locking/lockdep.c:5360)
[   56.605233][  T697]  _printk (kernel/printk/printk.c:2504)
[   56.605236][  T697]  ? snapshot_read.cold (user.c:?)
[   56.605238][  T697]  ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4116 (discriminator 3) kernel/rcu/tree.c:4108 (discriminator 3))
[   56.605241][  T697]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380)
[   56.605243][  T697]  ? validate_chain (kernel/locking/lockdep.c:3817 (discriminator 2) kernel/locking/lockdep.c:3837 (discriminator 2) kernel/locking/lockdep.c:3892 (discriminator 2))
[   56.605245][  T697]  ? netdev_name (./include/linux/netdevice.h:5709 (discriminator 1))
[   56.605249][  T697]  ? __netdev_printk (net/core/dev.c:13148 (discriminator 2))
[   56.605251][  T697]  ? do_setlink.isra.0 (net/core/rtnetlink.c:3246)
[   56.605254][  T697]  netdev_info (net/core/dev.c:13195 (discriminator 3))
[   56.605257][  T697]  ? netdev_notice (net/core/dev.c:13194)
[   56.605259][  T697]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[   56.605262][  T697]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554)
[   56.605265][  T697]  ? mark_held_locks (kernel/locking/lockdep.c:4341)
[   56.605269][  T697]  ? do_setlink.isra.0 (net/core/rtnetlink.c:3246)
[   56.605271][  T697]  netif_change_name.cold (net/core/dev.c:1507 (discriminator 3))
[   56.605274][  T697]  ? is_bpf_text_address (./include/linux/rcupdate.h:319 (discriminator 2) ./include/linux/rcupdate.h:880 (discriminator 2) kernel/bpf/core.c:751 (discriminator 2))
[   56.605280][  T697]  ? netdev_adjacent_rename_links (net/core/dev.c:9598)
[   56.605283][  T697]  ? __kernel_text_address (kernel/extable.c:79)
[   56.605286][  T697]  ? write_profile (profile.c:?)
[   56.605290][  T697]  ? __asan_memset (mm/kasan/shadow.c:84 (discriminator 1))
[   56.605295][  T697]  do_setlink.isra.0 (net/core/rtnetlink.c:3246)
[   56.605300][  T697]  ? stack_trace_save (kernel/stacktrace.c:122 (discriminator 1))
[   56.605302][  T697]  ? rtnl_link_get_size (net/core/rtnetlink.c:747)
[   56.605304][  T697]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:388 kernel/rcu/update.c:380)
[   56.605306][  T697]  ? stack_depot_save_flags (lib/stackdepot.c:609 (discriminator 2) lib/stackdepot.c:676 (discriminator 2))
[   56.605309][  T697]  ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4116 (discriminator 3) kernel/rcu/tree.c:4108 (discriminator 3))
[   56.605312][  T697]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380)
[   56.605314][  T697]  ? validate_chain (kernel/locking/lockdep.c:3817 (discriminator 2) kernel/locking/lockdep.c:3837 (discriminator 2) kernel/locking/lockdep.c:3892 (discriminator 2))
[   56.605316][  T697]  ? kasan_save_stack (mm/kasan/common.c:58)
[   56.605319][  T697]  ? kasan_save_stack (mm/kasan/common.c:57)
[   56.605321][  T697]  ? kasan_save_track (mm/kasan/common.c:78)
[   56.605324][  T697]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   56.605326][  T697]  ? netlink_update_listeners (net/netlink/af_netlink.c:532)
[   56.605329][  T697]  ? ___sys_sendmsg (net/socket.c:2744 net/socket.c:2763)
[   56.605334][  T697]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2))
[   56.605336][  T697]  ? rtnl_newlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:366 net/core/rtnetlink.c:4214)
[   56.605339][  T697]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   56.605341][  T697]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   56.605343][  T697]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   56.605344][  T697]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   56.605346][  T697]  ? trace_contention_end (./include/trace/events/lock.h:121 (discriminator 22))
[   56.605349][  T697]  ? __mutex_lock (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:3188 kernel/locking/mutex.c:89 kernel/locking/mutex.c:134 kernel/locking/mutex.c:649 kernel/locking/mutex.c:821)
[   56.605352][  T697]  ? __mutex_lock (kernel/locking/mutex.c:656 (discriminator 1) kernel/locking/mutex.c:821 (discriminator 1))
[   56.605354][  T697]  ? rtnl_newlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:366 net/core/rtnetlink.c:4214)
[   56.605358][  T697]  ? ww_mutex_lock (kernel/locking/mutex.c:934)
[   56.605360][  T697]  ? nla_get_range_signed (lib/nlattr.c:270)
[   56.605366][  T697]  ? __rtnl_newlink (net/core/rtnetlink.c:4063)
[   56.605371][  T697]  rtnl_newlink (net/core/rtnetlink.c:4215)
[   56.605376][  T697]  ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558)
[   56.605378][  T697]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   56.605383][  T697]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2))
[   56.605385][  T697]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[   56.605387][  T697]  ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558)
[   56.605389][  T697]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554)
[   56.605393][  T697]  ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558)
[   56.605395][  T697]  rtnetlink_rcv_msg (net/core/rtnetlink.c:7132)
[   56.605398][  T697]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   56.605400][  T697]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   56.605404][  T697]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2))
[   56.605407][  T697]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[   56.605410][  T697]  netlink_rcv_skb (net/netlink/af_netlink.c:2556)
[   56.605412][  T697]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   56.605415][  T697]  ? netlink_ack (./include/linux/skbuff.h:2718)
[   56.605421][  T697]  ? netlink_deliver_tap (./include/linux/rcupdate.h:319 (discriminator 2) ./include/linux/rcupdate.h:880 (discriminator 2) ./include/net/netns/generic.h:48 (discriminator 2) net/netlink/af_netlink.c:334 (discriminator 2))
[   56.605423][  T697]  ? netlink_deliver_tap (./include/linux/rcupdate.h:319 (discriminator 2) ./include/linux/rcupdate.h:880 (discriminator 2) net/netlink/af_netlink.c:341 (discriminator 2))
[   56.605427][  T697]  netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[   56.605431][  T697]  ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[   56.605434][  T697]  ? __lock_acquire (kernel/locking/lockdep.c:5251 (discriminator 3))
[   56.605438][  T697]  netlink_sendmsg (net/netlink/af_netlink.c:1900)
[   56.605442][  T697]  ? netlink_unicast (./include/net/net_namespace.h:422 (discriminator 7))
[   56.605444][  T697]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554)
[   56.605447][  T697]  ? __might_fault (mm/memory.c:7482 (discriminator 5))
[   56.605451][  T697]  ? __might_fault (mm/memory.c:7482 (discriminator 5))
[   56.605455][  T697]  ____sys_sendmsg (net/socket.c:800 (discriminator 4) net/socket.c:815 (discriminator 4) net/socket.c:2713 (discriminator 4))
[   56.605457][  T697]  ? copy_msghdr_from_user (net/socket.c:2650)
[   56.605459][  T697]  ? get_timestamp.constprop.0 (./include/linux/netdevice.h:5399)
[   56.605461][  T697]  ? move_addr_to_kernel (./include/linux/audit.h:354 (discriminator 1))
[   56.605469][  T697]  ___sys_sendmsg (net/socket.c:2767)
[   56.605472][  T697]  ? copy_msghdr_from_user (net/socket.c:2619)
[   56.605488][  T697]  __sys_sendmsg (net/socket.c:2799)
[   56.605491][  T697]  ? __sys_sendmsg_sock (net/socket.c:2780)
[   56.605498][  T697]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   56.605501][  T697]  do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84)
[   56.605503][  T697]  ? exc_page_fault (arch/x86/mm/fault.c:1489 (discriminator 3) arch/x86/mm/fault.c:1536 (discriminator 3))
[   56.605507][  T697]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[   56.605509][  T697] RIP: 0033:0x7f147cfd254e
[   56.605513][  T697] Code: 4d 89 d8 e8 b4 bd 00 00 4c 8b 5d f8 41 8b 93 08 03 00 00 59 5e 48 83 f8 fc 74 11 c9 c3 0f 1f 80 00 00 00 00 48 8b 45 10 0f 05 <c9> c3 83 e2 39 83 fa 08 75 e7 e8 03 ff ff ff 0f 1f 00 f3 0f 1e fa
All code
========
   0:	4d 89 d8             	mov    %r11,%r8
   3:	e8 b4 bd 00 00       	call   0xbdbc
   8:	4c 8b 5d f8          	mov    -0x8(%rbp),%r11
   c:	41 8b 93 08 03 00 00 	mov    0x308(%r11),%edx
  13:	59                   	pop    %rcx
  14:	5e                   	pop    %rsi
  15:	48 83 f8 fc          	cmp    $0xfffffffffffffffc,%rax
  19:	74 11                	je     0x2c
  1b:	c9                   	leave
  1c:	c3                   	ret
  1d:	0f 1f 80 00 00 00 00 	nopl   0x0(%rax)
  24:	48 8b 45 10          	mov    0x10(%rbp),%rax
  28:	0f 05                	syscall
  2a:*	c9                   	leave		<-- trapping instruction
  2b:	c3                   	ret
  2c:	83 e2 39             	and    $0x39,%edx
  2f:	83 fa 08             	cmp    $0x8,%edx
  32:	75 e7                	jne    0x1b
  34:	e8 03 ff ff ff       	call   0xffffffffffffff3c
  39:	0f 1f 00             	nopl   (%rax)
  3c:	f3 0f 1e fa          	endbr64

Code starting with the faulting instruction
===========================================
   0:	c9                   	leave
   1:	c3                   	ret
   2:	83 e2 39             	and    $0x39,%edx
   5:	83 fa 08             	cmp    $0x8,%edx
   8:	75 e7                	jne    0xfffffffffffffff1
   a:	e8 03 ff ff ff       	call   0xffffffffffffff12
   f:	0f 1f 00             	nopl   (%rax)
  12:	f3 0f 1e fa          	endbr64
[   56.605515][  T697] RSP: 002b:00007ffefafe6a40 EFLAGS: 00000202 ORIG_RAX: 000000000000002e
[   56.605518][  T697] RAX: ffffffffffffffda RBX: 0000000000000003 RCX: 00007f147cfd254e
[   56.605519][  T697] RDX: 0000000000000000 RSI: 00007ffefafe6af0 RDI: 0000000000000005
[   56.605520][  T697] RBP: 00007ffefafe6a50 R08: 0000000000000000 R09: 0000000000000000
[   56.605521][  T697] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a9161a8
[   56.605522][  T697] R13: 00000000004a1620 R14: 0000000000000000 R15: 00007ffefafe71c0
| [   57.663162][  T706] softirqs last disabled at (21096): netif_change_name (./include/linux/spinlock.h:353 ./include/linux/seqlock.h:908 net/core/dev.c:1499)
| [   57.663165][  T706] Preemption disabled at:
| [   57.663165][  T706] vprintk_emit (kernel/printk/printk.c:2471)
| [   57.663174][  T706] Tainted: [W]=WARN
[   57.663175][  T706] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   57.663177][  T706] Call Trace:
[   57.663179][  T706]  <TASK>
[   57.663181][  T706]  dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120)
[   57.663186][  T706]  ? vprintk_emit (kernel/printk/printk.c:2471)
[   57.663187][  T706]  __might_resched.cold (kernel/sched/core.c:9234)
[   57.663192][  T706]  ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3))
[   57.663195][  T706]  ? __kmalloc_noprof (./include/linux/sched/mm.h:317 mm/slub.c:4636 mm/slub.c:4974 mm/slub.c:5413 mm/slub.c:5439)
[   57.663201][  T706]  __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))
[   57.663203][  T706]  ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[   57.663209][  T706]  ? 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)
[   57.663212][  T706]  alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[   57.663215][  T706]  put_chars (drivers/char/virtio_console.c:1176)
[   57.663218][  T706]  ? __send_to_port (drivers/char/virtio_console.c:654)
[   57.663222][  T706]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380)
[   57.663226][  T706]  ? validate_chain (kernel/locking/lockdep.c:3817 (discriminator 2) kernel/locking/lockdep.c:3837 (discriminator 2) kernel/locking/lockdep.c:3892 (discriminator 2))
[   57.663231][  T706]  hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2))
[   57.663234][  T706]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   57.663236][  T706]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   57.663241][  T706]  ? hvc_write (drivers/tty/hvc/hvc_console.c:501)
[   57.663244][  T706]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   57.663247][  T706]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   57.663251][  T706]  console_emit_next_record (kernel/printk/printk.c:3183)
[   57.663255][  T706]  ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20)
[   57.663256][  T706]  ? 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))
[   57.663259][  T706]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   57.663261][  T706]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   57.663265][  T706]  console_flush_one_record (kernel/printk/printk.c:3268)
[   57.663269][  T706]  ? console_emit_next_record (kernel/printk/printk.c:3150)
[   57.663270][  T706]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   57.663276][  T706]  console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420)
[   57.663279][  T706]  ? console_flush_one_record (kernel/printk/printk.c:3316)
[   57.663280][  T706]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   57.663282][  T706]  ? lock_acquire (kernel/locking/lockdep.c:5913)
[   57.663286][  T706]  ? __down_trylock_console_sem (kernel/printk/printk.c:334)
[   57.663288][  T706]  ? vprintk_emit (kernel/printk/printk.c:2478)
[   57.663291][  T706]  vprintk_emit (kernel/printk/printk.c:2479)
[   57.663294][  T706]  ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126))
[   57.663296][  T706]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   57.663298][  T706]  ? save_trace (kernel/locking/lockdep.c:154 (discriminator 6) kernel/locking/lockdep.c:150 (discriminator 6) kernel/locking/lockdep.c:202 (discriminator 6) kernel/locking/lockdep.c:577 (discriminator 6))
[   57.663300][  T706]  ? find_held_lock (kernel/locking/lockdep.c:5360)
[   57.663304][  T706]  _printk (kernel/printk/printk.c:2504)
[   57.663308][  T706]  ? snapshot_read.cold (user.c:?)
[   57.663309][  T706]  ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4116 (discriminator 3) kernel/rcu/tree.c:4108 (discriminator 3))
[   57.663313][  T706]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380)
[   57.663315][  T706]  ? validate_chain (kernel/locking/lockdep.c:3817 (discriminator 2) kernel/locking/lockdep.c:3837 (discriminator 2) kernel/locking/lockdep.c:3892 (discriminator 2))
[   57.663317][  T706]  ? netdev_name (./include/linux/netdevice.h:5709 (discriminator 1))
[   57.663321][  T706]  ? __netdev_printk (net/core/dev.c:13148 (discriminator 2))
[   57.663323][  T706]  ? do_setlink.isra.0 (net/core/rtnetlink.c:3246)
[   57.663325][  T706]  netdev_info (net/core/dev.c:13195 (discriminator 3))
[   57.663328][  T706]  ? netdev_notice (net/core/dev.c:13194)
[   57.663331][  T706]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[   57.663334][  T706]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554)
[   57.663337][  T706]  ? mark_held_locks (kernel/locking/lockdep.c:4341)
[   57.663340][  T706]  ? do_setlink.isra.0 (net/core/rtnetlink.c:3246)
[   57.663343][  T706]  netif_change_name.cold (net/core/dev.c:1507 (discriminator 3))
[   57.663346][  T706]  ? 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))
[   57.663352][  T706]  ? netdev_adjacent_rename_links (net/core/dev.c:9598)
[   57.663354][  T706]  ? __kernel_text_address (kernel/extable.c:79)
[   57.663357][  T706]  ? write_profile (profile.c:?)
[   57.663362][  T706]  ? __asan_memset (mm/kasan/shadow.c:84 (discriminator 1))
[   57.663367][  T706]  do_setlink.isra.0 (net/core/rtnetlink.c:3246)
[   57.663371][  T706]  ? stack_trace_save (kernel/stacktrace.c:122 (discriminator 1))
[   57.663373][  T706]  ? rtnl_link_get_size (net/core/rtnetlink.c:747)
[   57.663375][  T706]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:388 kernel/rcu/update.c:380)
[   57.663377][  T706]  ? stack_depot_save_flags (lib/stackdepot.c:609 (discriminator 2) lib/stackdepot.c:676 (discriminator 2))
[   57.663380][  T706]  ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4116 (discriminator 3) kernel/rcu/tree.c:4108 (discriminator 3))
[   57.663383][  T706]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380)
[   57.663384][  T706]  ? validate_chain (kernel/locking/lockdep.c:3817 (discriminator 2) kernel/locking/lockdep.c:3837 (discriminator 2) kernel/locking/lockdep.c:3892 (discriminator 2))
[   57.663387][  T706]  ? kasan_save_stack (mm/kasan/common.c:58)
[   57.663390][  T706]  ? kasan_save_stack (mm/kasan/common.c:57)
[   57.663392][  T706]  ? kasan_save_track (mm/kasan/common.c:78)
[   57.663396][  T706]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   57.663398][  T706]  ? netlink_update_listeners (net/netlink/af_netlink.c:532)
[   57.663401][  T706]  ? ___sys_sendmsg (net/socket.c:2744 net/socket.c:2763)
[   57.663406][  T706]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2))
[   57.663408][  T706]  ? rtnl_newlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:366 net/core/rtnetlink.c:4214)
[   57.663411][  T706]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   57.663413][  T706]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   57.663414][  T706]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   57.663416][  T706]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   57.663417][  T706]  ? trace_contention_end (./include/trace/events/lock.h:121 (discriminator 22))
[   57.663420][  T706]  ? __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)
[   57.663424][  T706]  ? __mutex_lock (kernel/locking/mutex.c:656 (discriminator 1) kernel/locking/mutex.c:821 (discriminator 1))
[   57.663426][  T706]  ? rtnl_newlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:366 net/core/rtnetlink.c:4214)
[   57.663429][  T706]  ? ww_mutex_lock (kernel/locking/mutex.c:934)
[   57.663431][  T706]  ? nla_get_range_signed (lib/nlattr.c:270)
[   57.663437][  T706]  ? __rtnl_newlink (net/core/rtnetlink.c:4063)
[   57.663442][  T706]  rtnl_newlink (net/core/rtnetlink.c:4215)
[   57.663448][  T706]  ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558)
[   57.663450][  T706]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   57.663454][  T706]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2))
[   57.663456][  T706]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[   57.663459][  T706]  ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558)
[   57.663460][  T706]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554)
[   57.663464][  T706]  ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558)
[   57.663466][  T706]  rtnetlink_rcv_msg (net/core/rtnetlink.c:7132)
[   57.663470][  T706]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   57.663471][  T706]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   57.663476][  T706]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2))
[   57.663478][  T706]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[   57.663481][  T706]  netlink_rcv_skb (net/netlink/af_netlink.c:2556)
[   57.663483][  T706]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   57.663486][  T706]  ? netlink_ack (./include/linux/skbuff.h:2718)
[   57.663492][  T706]  ? 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))
[   57.663494][  T706]  ? 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))
[   57.663498][  T706]  netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[   57.663502][  T706]  ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[   57.663505][  T706]  ? __lock_acquire (kernel/locking/lockdep.c:5251 (discriminator 3))
[   57.663509][  T706]  netlink_sendmsg (net/netlink/af_netlink.c:1900)
[   57.663513][  T706]  ? netlink_unicast (./include/net/net_namespace.h:422 (discriminator 7))
[   57.663515][  T706]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554)
[   57.663518][  T706]  ? __might_fault (mm/memory.c:7482 (discriminator 5))
[   57.663522][  T706]  ? __might_fault (mm/memory.c:7482 (discriminator 5))
[   57.663526][  T706]  ____sys_sendmsg (net/socket.c:800 (discriminator 4) net/socket.c:815 (discriminator 4) net/socket.c:2713 (discriminator 4))
[   57.663528][  T706]  ? copy_msghdr_from_user (net/socket.c:2650)
[   57.663530][  T706]  ? get_timestamp.constprop.0 (./include/linux/netdevice.h:5399)
[   57.663532][  T706]  ? move_addr_to_kernel (./include/linux/audit.h:354 (discriminator 1))
[   57.663539][  T706]  ___sys_sendmsg (net/socket.c:2767)
[   57.663542][  T706]  ? copy_msghdr_from_user (net/socket.c:2619)
[   57.663558][  T706]  __sys_sendmsg (net/socket.c:2799)
[   57.663562][  T706]  ? __sys_sendmsg_sock (net/socket.c:2780)
[   57.663568][  T706]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   57.663571][  T706]  do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84)
[   57.663574][  T706]  ? exc_page_fault (arch/x86/mm/fault.c:1489 (discriminator 3) arch/x86/mm/fault.c:1536 (discriminator 3))
[   57.663577][  T706]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[   57.663579][  T706] RIP: 0033:0x7f9acd38254e
[   57.663583][  T706] 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
[   57.663585][  T706] RSP: 002b:00007ffc34809700 EFLAGS: 00000202 ORIG_RAX: 000000000000002e
[   57.663588][  T706] RAX: ffffffffffffffda RBX: 0000000000000003 RCX: 00007f9acd38254e
[   57.663589][  T706] RDX: 0000000000000000 RSI: 00007ffc348097b0 RDI: 0000000000000005
[   57.663590][  T706] RBP: 00007ffc34809710 R08: 0000000000000000 R09: 0000000000000000
[   57.663591][  T706] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a9161a9
[   57.663592][  T706] R13: 00000000004a1620 R14: 0000000000000000 R15: 00007ffc34809e80
| [   58.775396][  T717] softirqs last disabled at (22200): netif_change_name (./include/linux/spinlock.h:353 ./include/linux/seqlock.h:908 net/core/dev.c:1499)
| [   58.775399][  T717] Preemption disabled at:
| [   58.775400][  T717] vprintk_emit (kernel/printk/printk.c:2471)
| [   58.775409][  T717] Tainted: [W]=WARN
[   58.775410][  T717] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   58.775412][  T717] Call Trace:
[   58.775414][  T717]  <TASK>
[   58.775415][  T717]  dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120)
[   58.775420][  T717]  ? vprintk_emit (kernel/printk/printk.c:2471)
[   58.775422][  T717]  __might_resched.cold (kernel/sched/core.c:9234)
[   58.775427][  T717]  ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3))
[   58.775430][  T717]  ? __kmalloc_noprof (./include/linux/sched/mm.h:317 mm/slub.c:4636 mm/slub.c:4974 mm/slub.c:5413 mm/slub.c:5439)
[   58.775436][  T717]  __kmalloc_noprof (./include/linux/sched/mm.h:322 (discriminator 2) mm/slub.c:4636 (discriminator 2) mm/slub.c:4974 (discriminator 2) mm/slub.c:5413 (discriminator 2) mm/slub.c:5439 (discriminator 2))
[   58.775438][  T717]  ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[   58.775445][  T717]  ? do_raw_spin_unlock (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:32 ./include/asm-generic/qspinlock.h:58 kernel/locking/spinlock_debug.c:101 kernel/locking/spinlock_debug.c:141)
[   58.775448][  T717]  alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[   58.775451][  T717]  put_chars (drivers/char/virtio_console.c:1176)
[   58.775454][  T717]  ? __send_to_port (drivers/char/virtio_console.c:654)
[   58.775458][  T717]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380)
[   58.775462][  T717]  ? validate_chain (kernel/locking/lockdep.c:3817 (discriminator 2) kernel/locking/lockdep.c:3837 (discriminator 2) kernel/locking/lockdep.c:3892 (discriminator 2))
[   58.775466][  T717]  hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2))
[   58.775470][  T717]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   58.775472][  T717]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   58.775477][  T717]  ? hvc_write (drivers/tty/hvc/hvc_console.c:501)
[   58.775480][  T717]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   58.775483][  T717]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   58.775487][  T717]  console_emit_next_record (kernel/printk/printk.c:3183)
[   58.775491][  T717]  ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20)
[   58.775492][  T717]  ? console_flush_one_record (./include/linux/rcupdate.h:314 (discriminator 2) ./include/linux/srcu.h:439 (discriminator 2) kernel/printk/printk.c:291 (discriminator 2) kernel/printk/printk.c:3246 (discriminator 2))
[   58.775495][  T717]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   58.775497][  T717]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   58.775502][  T717]  console_flush_one_record (kernel/printk/printk.c:3268)
[   58.775505][  T717]  ? console_emit_next_record (kernel/printk/printk.c:3150)
[   58.775507][  T717]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   58.775513][  T717]  console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420)
[   58.775515][  T717]  ? console_flush_one_record (kernel/printk/printk.c:3316)
[   58.775517][  T717]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   58.775519][  T717]  ? lock_acquire (kernel/locking/lockdep.c:5913)
[   58.775523][  T717]  ? __down_trylock_console_sem (kernel/printk/printk.c:334)
[   58.775525][  T717]  ? vprintk_emit (kernel/printk/printk.c:2478)
[   58.775528][  T717]  vprintk_emit (kernel/printk/printk.c:2479)
[   58.775531][  T717]  ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126))
[   58.775533][  T717]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   58.775535][  T717]  ? save_trace (kernel/locking/lockdep.c:154 (discriminator 6) kernel/locking/lockdep.c:150 (discriminator 6) kernel/locking/lockdep.c:202 (discriminator 6) kernel/locking/lockdep.c:577 (discriminator 6))
[   58.775537][  T717]  ? find_held_lock (kernel/locking/lockdep.c:5360)
[   58.775541][  T717]  _printk (kernel/printk/printk.c:2504)
[   58.775545][  T717]  ? snapshot_read.cold (user.c:?)
[   58.775547][  T717]  ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4116 (discriminator 3) kernel/rcu/tree.c:4108 (discriminator 3))
[   58.775550][  T717]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380)
[   58.775552][  T717]  ? validate_chain (kernel/locking/lockdep.c:3817 (discriminator 2) kernel/locking/lockdep.c:3837 (discriminator 2) kernel/locking/lockdep.c:3892 (discriminator 2))
[   58.775554][  T717]  ? netdev_name (./include/linux/netdevice.h:5709 (discriminator 1))
[   58.775558][  T717]  ? __netdev_printk (net/core/dev.c:13148 (discriminator 2))
[   58.775560][  T717]  ? do_setlink.isra.0 (net/core/rtnetlink.c:3246)
[   58.775563][  T717]  netdev_info (net/core/dev.c:13195 (discriminator 3))
[   58.775565][  T717]  ? netdev_notice (net/core/dev.c:13194)
[   58.775568][  T717]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[   58.775571][  T717]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554)
[   58.775574][  T717]  ? mark_held_locks (kernel/locking/lockdep.c:4341)
[   58.775578][  T717]  ? do_setlink.isra.0 (net/core/rtnetlink.c:3246)
[   58.775580][  T717]  netif_change_name.cold (net/core/dev.c:1507 (discriminator 3))
[   58.775583][  T717]  ? is_bpf_text_address (./include/linux/rcupdate.h:319 (discriminator 2) ./include/linux/rcupdate.h:880 (discriminator 2) kernel/bpf/core.c:751 (discriminator 2))
[   58.775590][  T717]  ? netdev_adjacent_rename_links (net/core/dev.c:9598)
[   58.775592][  T717]  ? __kernel_text_address (kernel/extable.c:79)
[   58.775596][  T717]  ? write_profile (profile.c:?)
[   58.775600][  T717]  ? __asan_memset (mm/kasan/shadow.c:84 (discriminator 1))
[   58.775605][  T717]  do_setlink.isra.0 (net/core/rtnetlink.c:3246)
[   58.775610][  T717]  ? stack_trace_save (kernel/stacktrace.c:122 (discriminator 1))
[   58.775612][  T717]  ? rtnl_link_get_size (net/core/rtnetlink.c:747)
[   58.775614][  T717]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:388 kernel/rcu/update.c:380)
[   58.775616][  T717]  ? stack_depot_save_flags (lib/stackdepot.c:609 (discriminator 2) lib/stackdepot.c:676 (discriminator 2))
[   58.775620][  T717]  ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4116 (discriminator 3) kernel/rcu/tree.c:4108 (discriminator 3))
[   58.775622][  T717]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380)
[   58.775624][  T717]  ? validate_chain (kernel/locking/lockdep.c:3817 (discriminator 2) kernel/locking/lockdep.c:3837 (discriminator 2) kernel/locking/lockdep.c:3892 (discriminator 2))
[   58.775627][  T717]  ? kasan_save_stack (mm/kasan/common.c:58)
[   58.775630][  T717]  ? kasan_save_stack (mm/kasan/common.c:57)
[   58.775632][  T717]  ? kasan_save_track (mm/kasan/common.c:78)
[   58.775634][  T717]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   58.775637][  T717]  ? netlink_update_listeners (net/netlink/af_netlink.c:532)
[   58.775640][  T717]  ? ___sys_sendmsg (net/socket.c:2744 net/socket.c:2763)
[   58.775645][  T717]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2))
[   58.775647][  T717]  ? rtnl_newlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:366 net/core/rtnetlink.c:4214)
[   58.775650][  T717]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   58.775652][  T717]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   58.775654][  T717]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   58.775655][  T717]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   58.775657][  T717]  ? trace_contention_end (./include/trace/events/lock.h:121 (discriminator 22))
[   58.775659][  T717]  ? __mutex_lock (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:3188 kernel/locking/mutex.c:89 kernel/locking/mutex.c:134 kernel/locking/mutex.c:649 kernel/locking/mutex.c:821)
[   58.775663][  T717]  ? __mutex_lock (kernel/locking/mutex.c:656 (discriminator 1) kernel/locking/mutex.c:821 (discriminator 1))
[   58.775665][  T717]  ? rtnl_newlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:366 net/core/rtnetlink.c:4214)
[   58.775669][  T717]  ? ww_mutex_lock (kernel/locking/mutex.c:934)
[   58.775671][  T717]  ? nla_get_range_signed (lib/nlattr.c:270)
[   58.775677][  T717]  ? __rtnl_newlink (net/core/rtnetlink.c:4063)
[   58.775682][  T717]  rtnl_newlink (net/core/rtnetlink.c:4215)
[   58.775688][  T717]  ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558)
[   58.775690][  T717]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   58.775695][  T717]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2))
[   58.775697][  T717]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[   58.775699][  T717]  ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558)
[   58.775701][  T717]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554)
[   58.775705][  T717]  ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558)
[   58.775707][  T717]  rtnetlink_rcv_msg (net/core/rtnetlink.c:7132)
[   58.775710][  T717]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   58.775711][  T717]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   58.775716][  T717]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2))
[   58.775718][  T717]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[   58.775722][  T717]  netlink_rcv_skb (net/netlink/af_netlink.c:2556)
[   58.775724][  T717]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   58.775727][  T717]  ? netlink_ack (./include/linux/skbuff.h:2718)
[   58.775733][  T717]  ? netlink_deliver_tap (./include/linux/rcupdate.h:319 (discriminator 2) ./include/linux/rcupdate.h:880 (discriminator 2) ./include/net/netns/generic.h:48 (discriminator 2) net/netlink/af_netlink.c:334 (discriminator 2))
[   58.775735][  T717]  ? netlink_deliver_tap (./include/linux/rcupdate.h:319 (discriminator 2) ./include/linux/rcupdate.h:880 (discriminator 2) net/netlink/af_netlink.c:341 (discriminator 2))
[   58.775739][  T717]  netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[   58.775743][  T717]  ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[   58.775746][  T717]  ? __lock_acquire (kernel/locking/lockdep.c:5251 (discriminator 3))
[   58.775750][  T717]  netlink_sendmsg (net/netlink/af_netlink.c:1900)
[   58.775754][  T717]  ? netlink_unicast (./include/net/net_namespace.h:422 (discriminator 7))
[   58.775756][  T717]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554)
[   58.775759][  T717]  ? __might_fault (mm/memory.c:7482 (discriminator 5))
[   58.775763][  T717]  ? __might_fault (mm/memory.c:7482 (discriminator 5))
[   58.775767][  T717]  ____sys_sendmsg (net/socket.c:800 (discriminator 4) net/socket.c:815 (discriminator 4) net/socket.c:2713 (discriminator 4))
[   58.775770][  T717]  ? copy_msghdr_from_user (net/socket.c:2650)
[   58.775772][  T717]  ? get_timestamp.constprop.0 (./include/linux/netdevice.h:5399)
[   58.775774][  T717]  ? move_addr_to_kernel (./include/linux/audit.h:354 (discriminator 1))
[   58.775781][  T717]  ___sys_sendmsg (net/socket.c:2767)
[   58.775784][  T717]  ? copy_msghdr_from_user (net/socket.c:2619)
[   58.775801][  T717]  __sys_sendmsg (net/socket.c:2799)
[   58.775804][  T717]  ? __sys_sendmsg_sock (net/socket.c:2780)
[   58.775811][  T717]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   58.775814][  T717]  do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84)
[   58.775817][  T717]  ? exc_page_fault (arch/x86/mm/fault.c:1489 (discriminator 3) arch/x86/mm/fault.c:1536 (discriminator 3))
[   58.775821][  T717]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[   58.775828][  T717] RIP: 0033:0x7fb9cb9d554e
[   58.775832][  T717] Code: 4d 89 d8 e8 b4 bd 00 00 4c 8b 5d f8 41 8b 93 08 03 00 00 59 5e 48 83 f8 fc 74 11 c9 c3 0f 1f 80 00 00 00 00 48 8b 45 10 0f 05 <c9> c3 83 e2 39 83 fa 08 75 e7 e8 03 ff ff ff 0f 1f 00 f3 0f 1e fa
All code
========
   0:	4d 89 d8             	mov    %r11,%r8
   3:	e8 b4 bd 00 00       	call   0xbdbc
   8:	4c 8b 5d f8          	mov    -0x8(%rbp),%r11
   c:	41 8b 93 08 03 00 00 	mov    0x308(%r11),%edx
  13:	59                   	pop    %rcx
  14:	5e                   	pop    %rsi
  15:	48 83 f8 fc          	cmp    $0xfffffffffffffffc,%rax
  19:	74 11                	je     0x2c
  1b:	c9                   	leave
  1c:	c3                   	ret
  1d:	0f 1f 80 00 00 00 00 	nopl   0x0(%rax)
  24:	48 8b 45 10          	mov    0x10(%rbp),%rax
  28:	0f 05                	syscall
  2a:*	c9                   	leave		<-- trapping instruction
  2b:	c3                   	ret
  2c:	83 e2 39             	and    $0x39,%edx
  2f:	83 fa 08             	cmp    $0x8,%edx
  32:	75 e7                	jne    0x1b
  34:	e8 03 ff ff ff       	call   0xffffffffffffff3c
  39:	0f 1f 00             	nopl   (%rax)
  3c:	f3 0f 1e fa          	endbr64

Code starting with the faulting instruction
===========================================
   0:	c9                   	leave
   1:	c3                   	ret
   2:	83 e2 39             	and    $0x39,%edx
   5:	83 fa 08             	cmp    $0x8,%edx
   8:	75 e7                	jne    0xfffffffffffffff1
   a:	e8 03 ff ff ff       	call   0xffffffffffffff12
   f:	0f 1f 00             	nopl   (%rax)
  12:	f3 0f 1e fa          	endbr64
[   58.775833][  T717] RSP: 002b:00007ffee7096850 EFLAGS: 00000202 ORIG_RAX: 000000000000002e
[   58.775836][  T717] RAX: ffffffffffffffda RBX: 0000000000000003 RCX: 00007fb9cb9d554e
[   58.775838][  T717] RDX: 0000000000000000 RSI: 00007ffee7096900 RDI: 0000000000000005
[   58.775839][  T717] RBP: 00007ffee7096860 R08: 0000000000000000 R09: 0000000000000000
[   58.775839][  T717] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a9161aa


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