======================================
| [    9.990305][  T176] softirqs last disabled at (23316): netlink_release (./include/net/sock.h:2138 net/netlink/af_netlink.c:727)
| [    9.990308][  T176] Preemption disabled at:
| [    9.990308][  T176] 0x0
| [    9.990318][  T176] Tainted: [W]=WARN
[    9.990319][  T176] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[    9.990321][  T176] Call Trace:
[    9.990323][  T176]  <TASK>
[    9.990324][  T176]  dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120)
[    9.990330][  T176]  __might_resched.cold (kernel/sched/core.c:9234)
[    9.990334][  T176]  ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3))
[    9.990338][  T176]  ? __kmalloc_noprof (./include/linux/sched/mm.h:317 mm/slub.c:4636 mm/slub.c:4974 mm/slub.c:5413 mm/slub.c:5439)
[    9.990343][  T176]  __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))
[    9.990345][  T176]  ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[    9.990351][  T176]  ? 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)
[    9.990354][  T176]  alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[    9.990358][  T176]  put_chars (drivers/char/virtio_console.c:1176)
[    9.990361][  T176]  ? __send_to_port (drivers/char/virtio_console.c:654)
[    9.990367][  T176]  hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2))
[    9.990374][  T176]  ? hvc_write (drivers/tty/hvc/hvc_console.c:501)
[    9.990382][  T176]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[    9.990387][  T176]  console_emit_next_record (kernel/printk/printk.c:3183)
[    9.990390][  T176]  ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20)
[    9.990392][  T176]  ? 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))
[    9.990394][  T176]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[    9.990398][  T176]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[    9.990402][  T176]  console_flush_one_record (kernel/printk/printk.c:3268)
[    9.990406][  T176]  ? console_emit_next_record (kernel/printk/printk.c:3150)
[    9.990408][  T176]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[    9.990413][  T176]  console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420)
[    9.990415][  T176]  ? console_flush_one_record (kernel/printk/printk.c:3316)
[    9.990417][  T176]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[    9.990419][  T176]  ? lock_acquire (kernel/locking/lockdep.c:5913)
[    9.990422][  T176]  ? __down_trylock_console_sem (kernel/printk/printk.c:334)
[    9.990425][  T176]  ? vprintk_emit (kernel/printk/printk.c:2478)
[    9.990428][  T176]  vprintk_emit (kernel/printk/printk.c:2479)
[    9.990431][  T176]  ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126))
[    9.990434][  T176]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[    9.990438][  T176]  _printk (kernel/printk/printk.c:2504)
[    9.990441][  T176]  ? snapshot_read.cold (user.c:?)
[    9.990444][  T176]  ? 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)
[    9.990447][  T176]  ? __rwlock_init (kernel/locking/spinlock_debug.c:48)
[    9.990451][  T176]  ? 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)
[    9.990454][  T176]  do_exit.cold (kernel/exit.c:889 (discriminator 4) kernel/exit.c:1043 (discriminator 4))
[    9.990458][  T176]  ? exit_notify (kernel/exit.c:780)
[    9.990460][  T176]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554)
[    9.990463][  T176]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[    9.990467][  T176]  do_group_exit (kernel/exit.c:1151)
[    9.990470][  T176]  __x64_sys_exit_group (kernel/exit.c:1162 kernel/exit.c:1160 kernel/exit.c:1160)
[    9.990472][  T176]  x64_sys_call (./arch/x86/include/generated/asm/syscalls_64.h:232)
[    9.990474][  T176]  do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84)
[    9.990478][  T176]  ? exc_page_fault (arch/x86/mm/fault.c:1489 (discriminator 3) arch/x86/mm/fault.c:1536 (discriminator 3))
[    9.990481][  T176]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[    9.990483][  T176] RIP: 0033:0x7feaca6251b8
[    9.990485][  T176] Code: Unable to access opcode bytes at 0x7feaca62518e.

Code starting with the faulting instruction
===========================================
[    9.990486][  T176] RSP: 002b:00007ffda7fffb58 EFLAGS: 00000246 ORIG_RAX: 00000000000000e7
[    9.990489][  T176] RAX: ffffffffffffffda RBX: 00007feaca755f88 RCX: 00007feaca6251b8
[    9.990490][  T176] RDX: 00007feaca36ffc8 RSI: fffffffffffffeb8 RDI: 0000000000000000
[    9.990491][  T176] RBP: 00007ffda7fffbb0 R08: 0000000000000000 R09: 0000000000000050
[    9.990492][  T176] R10: 00007ffda7fff970 R11: 0000000000000246 R12: 0000000000000001
[    9.990493][  T176] R13: 0000000000000000 R14: 00007feaca754680 R15: 00007feaca755fa0
| [   11.836950][  T245] softirqs last disabled at (15912): netif_change_name (./include/linux/spinlock.h:353 ./include/linux/seqlock.h:908 net/core/dev.c:1499)
| [   11.836953][  T245] Preemption disabled at:
| [   11.836954][  T245] vprintk_emit (kernel/printk/printk.c:2471)
| [   11.836963][  T245] Tainted: [W]=WARN
[   11.836964][  T245] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   11.836965][  T245] Call Trace:
[   11.836967][  T245]  <TASK>
[   11.836969][  T245]  dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120)
[   11.836974][  T245]  ? vprintk_emit (kernel/printk/printk.c:2471)
[   11.836976][  T245]  __might_resched.cold (kernel/sched/core.c:9234)
[   11.836980][  T245]  ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3))
[   11.836984][  T245]  ? __kmalloc_noprof (./include/linux/sched/mm.h:317 mm/slub.c:4636 mm/slub.c:4974 mm/slub.c:5413 mm/slub.c:5439)
[   11.836989][  T245]  __kmalloc_noprof (./include/linux/sched/mm.h:322 (discriminator 2) mm/slub.c:4636 (discriminator 2) mm/slub.c:4974 (discriminator 2) mm/slub.c:5413 (discriminator 2) mm/slub.c:5439 (discriminator 2))
[   11.836991][  T245]  ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[   11.836998][  T245]  ? do_raw_spin_unlock (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:32 ./include/asm-generic/qspinlock.h:58 kernel/locking/spinlock_debug.c:101 kernel/locking/spinlock_debug.c:141)
[   11.837001][  T245]  alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[   11.837004][  T245]  put_chars (drivers/char/virtio_console.c:1176)
[   11.837007][  T245]  ? __send_to_port (drivers/char/virtio_console.c:654)
[   11.837011][  T245]  ? validate_chain (kernel/locking/lockdep.c:159 kernel/locking/lockdep.c:191 kernel/locking/lockdep.c:3928)
[   11.837016][  T245]  hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2))
[   11.837020][  T245]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   11.837022][  T245]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   11.837026][  T245]  ? hvc_write (drivers/tty/hvc/hvc_console.c:501)
[   11.837030][  T245]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   11.837033][  T245]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   11.837037][  T245]  console_emit_next_record (kernel/printk/printk.c:3183)
[   11.837041][  T245]  ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20)
[   11.837042][  T245]  ? console_flush_one_record (./include/linux/rcupdate.h:314 (discriminator 2) ./include/linux/srcu.h:439 (discriminator 2) kernel/printk/printk.c:291 (discriminator 2) kernel/printk/printk.c:3246 (discriminator 2))
[   11.837045][  T245]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   11.837047][  T245]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   11.837051][  T245]  console_flush_one_record (kernel/printk/printk.c:3268)
[   11.837057][  T245]  ? console_emit_next_record (kernel/printk/printk.c:3150)
[   11.837058][  T245]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   11.837064][  T245]  console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420)
[   11.837066][  T245]  ? console_flush_one_record (kernel/printk/printk.c:3316)
[   11.837068][  T245]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   11.837070][  T245]  ? lock_acquire (kernel/locking/lockdep.c:5913)
[   11.837074][  T245]  ? __down_trylock_console_sem (kernel/printk/printk.c:334)
[   11.837076][  T245]  ? vprintk_emit (kernel/printk/printk.c:2478)
[   11.837079][  T245]  vprintk_emit (kernel/printk/printk.c:2479)
[   11.837082][  T245]  ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126))
[   11.837085][  T245]  ? save_trace (kernel/locking/lockdep.c:589)
[   11.837089][  T245]  _printk (kernel/printk/printk.c:2504)
[   11.837093][  T245]  ? snapshot_read.cold (user.c:?)
[   11.837096][  T245]  ? validate_chain (kernel/locking/lockdep.c:159 kernel/locking/lockdep.c:191 kernel/locking/lockdep.c:3928)
[   11.837099][  T245]  ? netdev_name (./include/linux/netdevice.h:5709 (discriminator 1))
[   11.837102][  T245]  ? __netdev_printk (net/core/dev.c:13148 (discriminator 2))
[   11.837105][  T245]  ? do_setlink.isra.0 (net/core/rtnetlink.c:3246)
[   11.837107][  T245]  netdev_info (net/core/dev.c:13195 (discriminator 3))
[   11.837109][  T245]  ? netdev_notice (net/core/dev.c:13194)
[   11.837112][  T245]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[   11.837115][  T245]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554)
[   11.837118][  T245]  ? mark_held_locks (kernel/locking/lockdep.c:4341)
[   11.837122][  T245]  ? do_setlink.isra.0 (net/core/rtnetlink.c:3246)
[   11.837124][  T245]  netif_change_name.cold (net/core/dev.c:1507 (discriminator 3))
[   11.837127][  T245]  ? is_bpf_text_address (./include/linux/rcupdate.h:319 (discriminator 2) ./include/linux/rcupdate.h:880 (discriminator 2) kernel/bpf/core.c:751 (discriminator 2))
[   11.837133][  T245]  ? netdev_adjacent_rename_links (net/core/dev.c:9598)
[   11.837135][  T245]  ? __kernel_text_address (kernel/extable.c:79)
[   11.837138][  T245]  ? write_profile (profile.c:?)
[   11.837142][  T245]  ? __asan_memset (mm/kasan/shadow.c:84 (discriminator 1))
[   11.837148][  T245]  do_setlink.isra.0 (net/core/rtnetlink.c:3246)
[   11.837152][  T245]  ? stack_trace_save (kernel/stacktrace.c:122 (discriminator 1))
[   11.837154][  T245]  ? rtnl_link_get_size (net/core/rtnetlink.c:747)
[   11.837155][  T245]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:388 kernel/rcu/update.c:380)
[   11.837159][  T245]  ? stack_depot_save_flags (lib/stackdepot.c:609 (discriminator 2) lib/stackdepot.c:676 (discriminator 2))
[   11.837162][  T245]  ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4116 (discriminator 3) kernel/rcu/tree.c:4108 (discriminator 3))
[   11.837165][  T245]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380)
[   11.837167][  T245]  ? validate_chain (kernel/locking/lockdep.c:3817 (discriminator 2) kernel/locking/lockdep.c:3837 (discriminator 2) kernel/locking/lockdep.c:3892 (discriminator 2))
[   11.837170][  T245]  ? kasan_save_stack (mm/kasan/common.c:58)
[   11.837173][  T245]  ? kasan_save_stack (mm/kasan/common.c:57)
[   11.837175][  T245]  ? kasan_save_track (mm/kasan/common.c:78)
[   11.837178][  T245]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   11.837180][  T245]  ? netlink_update_listeners (net/netlink/af_netlink.c:532)
[   11.837183][  T245]  ? ___sys_sendmsg (net/socket.c:2744 net/socket.c:2763)
[   11.837188][  T245]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2))
[   11.837190][  T245]  ? rtnl_newlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:366 net/core/rtnetlink.c:4214)
[   11.837193][  T245]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   11.837195][  T245]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   11.837197][  T245]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   11.837198][  T245]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   11.837200][  T245]  ? trace_contention_end (./include/trace/events/lock.h:121 (discriminator 22))
[   11.837203][  T245]  ? __mutex_lock (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:3188 kernel/locking/mutex.c:89 kernel/locking/mutex.c:134 kernel/locking/mutex.c:649 kernel/locking/mutex.c:821)
[   11.837206][  T245]  ? __mutex_lock (kernel/locking/mutex.c:656 (discriminator 1) kernel/locking/mutex.c:821 (discriminator 1))
[   11.837209][  T245]  ? rtnl_newlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:366 net/core/rtnetlink.c:4214)
[   11.837212][  T245]  ? ww_mutex_lock (kernel/locking/mutex.c:934)
[   11.837214][  T245]  ? nla_get_range_signed (lib/nlattr.c:270)
[   11.837220][  T245]  ? __rtnl_newlink (net/core/rtnetlink.c:4063)
[   11.837226][  T245]  rtnl_newlink (net/core/rtnetlink.c:4215)
[   11.837232][  T245]  ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558)
[   11.837234][  T245]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   11.837238][  T245]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2))
[   11.837241][  T245]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[   11.837243][  T245]  ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558)
[   11.837245][  T245]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554)
[   11.837249][  T245]  ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558)
[   11.837251][  T245]  rtnetlink_rcv_msg (net/core/rtnetlink.c:7132)
[   11.837254][  T245]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   11.837255][  T245]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   11.837260][  T245]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2))
[   11.837263][  T245]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[   11.837267][  T245]  netlink_rcv_skb (net/netlink/af_netlink.c:2556)
[   11.837268][  T245]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   11.837271][  T245]  ? netlink_ack (./include/linux/skbuff.h:2718)
[   11.837278][  T245]  ? netlink_deliver_tap (./include/linux/rcupdate.h:319 (discriminator 2) ./include/linux/rcupdate.h:880 (discriminator 2) ./include/net/netns/generic.h:48 (discriminator 2) net/netlink/af_netlink.c:334 (discriminator 2))
[   11.837280][  T245]  ? netlink_deliver_tap (./include/linux/rcupdate.h:319 (discriminator 2) ./include/linux/rcupdate.h:880 (discriminator 2) net/netlink/af_netlink.c:341 (discriminator 2))
[   11.837284][  T245]  netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[   11.837288][  T245]  ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[   11.837291][  T245]  ? __lock_acquire (kernel/locking/lockdep.c:5251 (discriminator 3))
[   11.837295][  T245]  netlink_sendmsg (net/netlink/af_netlink.c:1900)
[   11.837299][  T245]  ? netlink_unicast (./include/net/net_namespace.h:422 (discriminator 7))
[   11.837301][  T245]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554)
[   11.837304][  T245]  ? __might_fault (mm/memory.c:7482 (discriminator 5))
[   11.837308][  T245]  ? __might_fault (mm/memory.c:7482 (discriminator 5))
[   11.837312][  T245]  ____sys_sendmsg (net/socket.c:800 (discriminator 4) net/socket.c:815 (discriminator 4) net/socket.c:2713 (discriminator 4))
[   11.837314][  T245]  ? copy_msghdr_from_user (net/socket.c:2650)
[   11.837317][  T245]  ? get_timestamp.constprop.0 (./include/linux/netdevice.h:5399)
[   11.837319][  T245]  ? move_addr_to_kernel (./include/linux/audit.h:354 (discriminator 1))
[   11.837326][  T245]  ___sys_sendmsg (net/socket.c:2767)
[   11.837329][  T245]  ? copy_msghdr_from_user (net/socket.c:2619)
[   11.837346][  T245]  __sys_sendmsg (net/socket.c:2799)
[   11.837349][  T245]  ? __sys_sendmsg_sock (net/socket.c:2780)
[   11.837356][  T245]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   11.837359][  T245]  do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84)
[   11.837362][  T245]  ? exc_page_fault (arch/x86/mm/fault.c:1489 (discriminator 3) arch/x86/mm/fault.c:1536 (discriminator 3))
[   11.837365][  T245]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[   11.837367][  T245] RIP: 0033:0x7f1a47b2354e
[   11.837371][  T245] Code: 4d 89 d8 e8 b4 bd 00 00 4c 8b 5d f8 41 8b 93 08 03 00 00 59 5e 48 83 f8 fc 74 11 c9 c3 0f 1f 80 00 00 00 00 48 8b 45 10 0f 05 <c9> c3 83 e2 39 83 fa 08 75 e7 e8 03 ff ff ff 0f 1f 00 f3 0f 1e fa
All code
========
   0:	4d 89 d8             	mov    %r11,%r8
   3:	e8 b4 bd 00 00       	call   0xbdbc
   8:	4c 8b 5d f8          	mov    -0x8(%rbp),%r11
   c:	41 8b 93 08 03 00 00 	mov    0x308(%r11),%edx
  13:	59                   	pop    %rcx
  14:	5e                   	pop    %rsi
  15:	48 83 f8 fc          	cmp    $0xfffffffffffffffc,%rax
  19:	74 11                	je     0x2c
  1b:	c9                   	leave
  1c:	c3                   	ret
  1d:	0f 1f 80 00 00 00 00 	nopl   0x0(%rax)
  24:	48 8b 45 10          	mov    0x10(%rbp),%rax
  28:	0f 05                	syscall
  2a:*	c9                   	leave		<-- trapping instruction
  2b:	c3                   	ret
  2c:	83 e2 39             	and    $0x39,%edx
  2f:	83 fa 08             	cmp    $0x8,%edx
  32:	75 e7                	jne    0x1b
  34:	e8 03 ff ff ff       	call   0xffffffffffffff3c
  39:	0f 1f 00             	nopl   (%rax)
  3c:	f3 0f 1e fa          	endbr64

Code starting with the faulting instruction
===========================================
   0:	c9                   	leave
   1:	c3                   	ret
   2:	83 e2 39             	and    $0x39,%edx
   5:	83 fa 08             	cmp    $0x8,%edx
   8:	75 e7                	jne    0xfffffffffffffff1
   a:	e8 03 ff ff ff       	call   0xffffffffffffff12
   f:	0f 1f 00             	nopl   (%rax)
  12:	f3 0f 1e fa          	endbr64
[   11.837373][  T245] RSP: 002b:00007ffea7279900 EFLAGS: 00000202 ORIG_RAX: 000000000000002e
[   11.837375][  T245] RAX: ffffffffffffffda RBX: 0000000000000003 RCX: 00007f1a47b2354e
[   11.837377][  T245] RDX: 0000000000000000 RSI: 00007ffea72799b0 RDI: 0000000000000005
[   11.837378][  T245] RBP: 00007ffea7279910 R08: 0000000000000000 R09: 0000000000000000
[   11.837378][  T245] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a918d5a
[   11.837379][  T245] R13: 00000000004a1620 R14: 0000000000000000 R15: 00007ffea727a080
| [   13.068181][  T282] softirqs last disabled at (22592): netif_change_name (./include/linux/spinlock.h:353 ./include/linux/seqlock.h:908 net/core/dev.c:1499)
| [   13.068184][  T282] Preemption disabled at:
| [   13.068185][  T282] vprintk_emit (kernel/printk/printk.c:2471)
| [   13.068197][  T282] Tainted: [W]=WARN
[   13.068199][  T282] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   13.068201][  T282] Call Trace:
[   13.068203][  T282]  <TASK>
[   13.068206][  T282]  dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120)
[   13.068212][  T282]  ? vprintk_emit (kernel/printk/printk.c:2471)
[   13.068215][  T282]  __might_resched.cold (kernel/sched/core.c:9234)
[   13.068221][  T282]  ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3))
[   13.068226][  T282]  ? __kmalloc_noprof (./include/linux/sched/mm.h:317 mm/slub.c:4636 mm/slub.c:4974 mm/slub.c:5413 mm/slub.c:5439)
[   13.068233][  T282]  __kmalloc_noprof (./include/linux/sched/mm.h:322 (discriminator 2) mm/slub.c:4636 (discriminator 2) mm/slub.c:4974 (discriminator 2) mm/slub.c:5413 (discriminator 2) mm/slub.c:5439 (discriminator 2))
[   13.068237][  T282]  ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[   13.068247][  T282]  ? do_raw_spin_unlock (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:32 ./include/asm-generic/qspinlock.h:58 kernel/locking/spinlock_debug.c:101 kernel/locking/spinlock_debug.c:141)
[   13.068251][  T282]  alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[   13.068257][  T282]  put_chars (drivers/char/virtio_console.c:1176)
[   13.068261][  T282]  ? __send_to_port (drivers/char/virtio_console.c:654)
[   13.068267][  T282]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380)
[   13.068272][  T282]  ? validate_chain (kernel/locking/lockdep.c:3817 (discriminator 2) kernel/locking/lockdep.c:3837 (discriminator 2) kernel/locking/lockdep.c:3892 (discriminator 2))
[   13.068280][  T282]  hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2))
[   13.068285][  T282]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   13.068288][  T282]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   13.068296][  T282]  ? hvc_write (drivers/tty/hvc/hvc_console.c:501)
[   13.068302][  T282]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   13.068306][  T282]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   13.068314][  T282]  console_emit_next_record (kernel/printk/printk.c:3183)
[   13.068319][  T282]  ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20)
[   13.068321][  T282]  ? console_flush_one_record (./include/linux/rcupdate.h:314 (discriminator 2) ./include/linux/srcu.h:439 (discriminator 2) kernel/printk/printk.c:291 (discriminator 2) kernel/printk/printk.c:3246 (discriminator 2))
[   13.068326][  T282]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   13.068329][  T282]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   13.068337][  T282]  console_flush_one_record (kernel/printk/printk.c:3268)
[   13.068344][  T282]  ? console_emit_next_record (kernel/printk/printk.c:3150)
[   13.068346][  T282]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   13.068356][  T282]  console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420)
[   13.068359][  T282]  ? console_flush_one_record (kernel/printk/printk.c:3316)
[   13.068362][  T282]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   13.068365][  T282]  ? lock_acquire (kernel/locking/lockdep.c:5913)
[   13.068372][  T282]  ? __down_trylock_console_sem (kernel/printk/printk.c:334)
[   13.068375][  T282]  ? vprintk_emit (kernel/printk/printk.c:2478)
[   13.068380][  T282]  vprintk_emit (kernel/printk/printk.c:2479)
[   13.068386][  T282]  ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126))
[   13.068396][  T282]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   13.068399][  T282]  ? save_trace (kernel/locking/lockdep.c:154 (discriminator 6) kernel/locking/lockdep.c:150 (discriminator 6) kernel/locking/lockdep.c:202 (discriminator 6) kernel/locking/lockdep.c:577 (discriminator 6))
[   13.068403][  T282]  ? find_held_lock (kernel/locking/lockdep.c:5360)
[   13.068410][  T282]  _printk (kernel/printk/printk.c:2504)
[   13.068415][  T282]  ? snapshot_read.cold (user.c:?)
[   13.068418][  T282]  ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4116 (discriminator 3) kernel/rcu/tree.c:4108 (discriminator 3))
[   13.068423][  T282]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380)
[   13.068426][  T282]  ? validate_chain (kernel/locking/lockdep.c:3817 (discriminator 2) kernel/locking/lockdep.c:3837 (discriminator 2) kernel/locking/lockdep.c:3892 (discriminator 2))
[   13.068430][  T282]  ? netdev_name (./include/linux/netdevice.h:5709 (discriminator 1))
[   13.068435][  T282]  ? __netdev_printk (net/core/dev.c:13148 (discriminator 2))
[   13.068439][  T282]  ? do_setlink.isra.0 (net/core/rtnetlink.c:3246)
[   13.068443][  T282]  netdev_info (net/core/dev.c:13195 (discriminator 3))
[   13.068447][  T282]  ? netdev_notice (net/core/dev.c:13194)
[   13.068452][  T282]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[   13.068457][  T282]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554)
[   13.068462][  T282]  ? mark_held_locks (kernel/locking/lockdep.c:4341)
[   13.068468][  T282]  ? do_setlink.isra.0 (net/core/rtnetlink.c:3246)
[   13.068472][  T282]  netif_change_name.cold (net/core/dev.c:1507 (discriminator 3))
[   13.068477][  T282]  ? is_bpf_text_address (./include/linux/rcupdate.h:319 (discriminator 2) ./include/linux/rcupdate.h:880 (discriminator 2) kernel/bpf/core.c:751 (discriminator 2))
[   13.068486][  T282]  ? netdev_adjacent_rename_links (net/core/dev.c:9598)
[   13.068491][  T282]  ? __kernel_text_address (kernel/extable.c:79)
[   13.068494][  T282]  ? write_profile (profile.c:?)
[   13.068501][  T282]  ? __asan_memset (mm/kasan/shadow.c:84 (discriminator 1))
[   13.068510][  T282]  do_setlink.isra.0 (net/core/rtnetlink.c:3246)
[   13.068517][  T282]  ? stack_trace_save (kernel/stacktrace.c:122 (discriminator 1))
[   13.068521][  T282]  ? rtnl_link_get_size (net/core/rtnetlink.c:747)
[   13.068523][  T282]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:388 kernel/rcu/update.c:380)
[   13.068527][  T282]  ? stack_depot_save_flags (lib/stackdepot.c:609 (discriminator 2) lib/stackdepot.c:676 (discriminator 2))
[   13.068532][  T282]  ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4116 (discriminator 3) kernel/rcu/tree.c:4108 (discriminator 3))
[   13.068535][  T282]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380)
[   13.068538][  T282]  ? validate_chain (kernel/locking/lockdep.c:3817 (discriminator 2) kernel/locking/lockdep.c:3837 (discriminator 2) kernel/locking/lockdep.c:3892 (discriminator 2))
[   13.068545][  T282]  ? kasan_save_stack (mm/kasan/common.c:58)
[   13.068549][  T282]  ? kasan_save_stack (mm/kasan/common.c:57)
[   13.068552][  T282]  ? kasan_save_track (mm/kasan/common.c:78)
[   13.068557][  T282]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   13.068560][  T282]  ? netlink_update_listeners (net/netlink/af_netlink.c:532)
[   13.068564][  T282]  ? ___sys_sendmsg (net/socket.c:2744 net/socket.c:2763)
[   13.068572][  T282]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2))
[   13.068575][  T282]  ? rtnl_newlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:366 net/core/rtnetlink.c:4214)
[   13.068580][  T282]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   13.068583][  T282]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   13.068586][  T282]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   13.068588][  T282]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   13.068592][  T282]  ? trace_contention_end (./include/trace/events/lock.h:121 (discriminator 22))
[   13.068596][  T282]  ? __mutex_lock (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:3188 kernel/locking/mutex.c:89 kernel/locking/mutex.c:134 kernel/locking/mutex.c:649 kernel/locking/mutex.c:821)
[   13.068601][  T282]  ? __mutex_lock (kernel/locking/mutex.c:656 (discriminator 1) kernel/locking/mutex.c:821 (discriminator 1))
[   13.068605][  T282]  ? rtnl_newlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:366 net/core/rtnetlink.c:4214)
[   13.068611][  T282]  ? ww_mutex_lock (kernel/locking/mutex.c:934)
[   13.068614][  T282]  ? nla_get_range_signed (lib/nlattr.c:270)
[   13.068625][  T282]  ? __rtnl_newlink (net/core/rtnetlink.c:4063)
[   13.068635][  T282]  rtnl_newlink (net/core/rtnetlink.c:4215)
[   13.068645][  T282]  ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558)
[   13.068649][  T282]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   13.068657][  T282]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2))
[   13.068660][  T282]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[   13.068664][  T282]  ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558)
[   13.068667][  T282]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554)
[   13.068674][  T282]  ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558)
[   13.068678][  T282]  rtnetlink_rcv_msg (net/core/rtnetlink.c:7132)
[   13.068684][  T282]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   13.068686][  T282]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   13.068694][  T282]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2))
[   13.068698][  T282]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[   13.068704][  T282]  netlink_rcv_skb (net/netlink/af_netlink.c:2556)
[   13.068707][  T282]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   13.068713][  T282]  ? netlink_ack (./include/linux/skbuff.h:2718)
[   13.068725][  T282]  ? netlink_deliver_tap (./include/linux/rcupdate.h:319 (discriminator 2) ./include/linux/rcupdate.h:880 (discriminator 2) ./include/net/netns/generic.h:48 (discriminator 2) net/netlink/af_netlink.c:334 (discriminator 2))
[   13.068727][  T282]  ? netlink_deliver_tap (./include/linux/rcupdate.h:319 (discriminator 2) ./include/linux/rcupdate.h:880 (discriminator 2) net/netlink/af_netlink.c:341 (discriminator 2))
[   13.068735][  T282]  netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[   13.068742][  T282]  ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[   13.068747][  T282]  ? __lock_acquire (kernel/locking/lockdep.c:5251 (discriminator 3))
[   13.068755][  T282]  netlink_sendmsg (net/netlink/af_netlink.c:1900)
[   13.068761][  T282]  ? netlink_unicast (./include/net/net_namespace.h:422 (discriminator 7))
[   13.068764][  T282]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554)
[   13.068769][  T282]  ? __might_fault (mm/memory.c:7482 (discriminator 5))
[   13.068774][  T282]  ? __might_fault (mm/memory.c:7482 (discriminator 5))
[   13.068782][  T282]  ____sys_sendmsg (net/socket.c:800 (discriminator 4) net/socket.c:815 (discriminator 4) net/socket.c:2713 (discriminator 4))
[   13.068785][  T282]  ? copy_msghdr_from_user (net/socket.c:2650)
[   13.068789][  T282]  ? get_timestamp.constprop.0 (./include/linux/netdevice.h:5399)
[   13.068791][  T282]  ? move_addr_to_kernel (./include/linux/audit.h:354 (discriminator 1))
[   13.068805][  T282]  ___sys_sendmsg (net/socket.c:2767)
[   13.068810][  T282]  ? copy_msghdr_from_user (net/socket.c:2619)
[   13.068842][  T282]  __sys_sendmsg (net/socket.c:2799)
[   13.068847][  T282]  ? __sys_sendmsg_sock (net/socket.c:2780)
[   13.068858][  T282]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   13.068864][  T282]  do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84)
[   13.068868][  T282]  ? exc_page_fault (arch/x86/mm/fault.c:1489 (discriminator 3) arch/x86/mm/fault.c:1536 (discriminator 3))
[   13.068873][  T282]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[   13.068876][  T282] RIP: 0033:0x7f4998ca854e
[   13.068881][  T282] Code: 4d 89 d8 e8 b4 bd 00 00 4c 8b 5d f8 41 8b 93 08 03 00 00 59 5e 48 83 f8 fc 74 11 c9 c3 0f 1f 80 00 00 00 00 48 8b 45 10 0f 05 <c9> c3 83 e2 39 83 fa 08 75 e7 e8 03 ff ff ff 0f 1f 00 f3 0f 1e fa
All code
========
   0:	4d 89 d8             	mov    %r11,%r8
   3:	e8 b4 bd 00 00       	call   0xbdbc
   8:	4c 8b 5d f8          	mov    -0x8(%rbp),%r11
   c:	41 8b 93 08 03 00 00 	mov    0x308(%r11),%edx
  13:	59                   	pop    %rcx
  14:	5e                   	pop    %rsi
  15:	48 83 f8 fc          	cmp    $0xfffffffffffffffc,%rax
  19:	74 11                	je     0x2c
  1b:	c9                   	leave
  1c:	c3                   	ret
  1d:	0f 1f 80 00 00 00 00 	nopl   0x0(%rax)
  24:	48 8b 45 10          	mov    0x10(%rbp),%rax
  28:	0f 05                	syscall
  2a:*	c9                   	leave		<-- trapping instruction
  2b:	c3                   	ret
  2c:	83 e2 39             	and    $0x39,%edx
  2f:	83 fa 08             	cmp    $0x8,%edx
  32:	75 e7                	jne    0x1b
  34:	e8 03 ff ff ff       	call   0xffffffffffffff3c
  39:	0f 1f 00             	nopl   (%rax)
  3c:	f3 0f 1e fa          	endbr64

Code starting with the faulting instruction
===========================================
   0:	c9                   	leave
   1:	c3                   	ret
   2:	83 e2 39             	and    $0x39,%edx
   5:	83 fa 08             	cmp    $0x8,%edx
   8:	75 e7                	jne    0xfffffffffffffff1
   a:	e8 03 ff ff ff       	call   0xffffffffffffff12
   f:	0f 1f 00             	nopl   (%rax)
  12:	f3 0f 1e fa          	endbr64
[   13.068884][  T282] RSP: 002b:00007ffeb0470bd0 EFLAGS: 00000202 ORIG_RAX: 000000000000002e
[   13.068888][  T282] RAX: ffffffffffffffda RBX: 0000000000000003 RCX: 00007f4998ca854e
[   13.068890][  T282] RDX: 0000000000000000 RSI: 00007ffeb0470c80 RDI: 0000000000000005
[   13.068891][  T282] RBP: 00007ffeb0470be0 R08: 0000000000000000 R09: 0000000000000000
[   13.068893][  T282] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a918d5b
[   13.068894][  T282] R13: 00000000004a1620 R14: 0000000000000000 R15: 00007ffeb0471350
| [   14.077594][  T287] softirqs last disabled at (26216): netif_change_name (./include/linux/spinlock.h:353 ./include/linux/seqlock.h:908 net/core/dev.c:1499)
| [   14.077598][  T287] Preemption disabled at:
| [   14.077598][  T287] vprintk_emit (kernel/printk/printk.c:2471)
| [   14.077610][  T287] Tainted: [W]=WARN
[   14.077612][  T287] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   14.077614][  T287] Call Trace:
[   14.077616][  T287]  <TASK>
[   14.077619][  T287]  dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120)
[   14.077625][  T287]  ? vprintk_emit (kernel/printk/printk.c:2471)
[   14.077628][  T287]  __might_resched.cold (kernel/sched/core.c:9234)
[   14.077634][  T287]  ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3))
[   14.077639][  T287]  ? __kmalloc_noprof (./include/linux/sched/mm.h:317 mm/slub.c:4636 mm/slub.c:4974 mm/slub.c:5413 mm/slub.c:5439)
[   14.077647][  T287]  __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))
[   14.077651][  T287]  ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[   14.077663][  T287]  ? 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)
[   14.077667][  T287]  alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[   14.077672][  T287]  put_chars (drivers/char/virtio_console.c:1176)
[   14.077677][  T287]  ? __send_to_port (drivers/char/virtio_console.c:654)
[   14.077683][  T287]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380)
[   14.077688][  T287]  ? validate_chain (kernel/locking/lockdep.c:3817 (discriminator 2) kernel/locking/lockdep.c:3837 (discriminator 2) kernel/locking/lockdep.c:3892 (discriminator 2))
[   14.077695][  T287]  hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2))
[   14.077700][  T287]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   14.077703][  T287]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   14.077712][  T287]  ? hvc_write (drivers/tty/hvc/hvc_console.c:501)
[   14.077718][  T287]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   14.077722][  T287]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   14.077730][  T287]  console_emit_next_record (kernel/printk/printk.c:3183)
[   14.077735][  T287]  ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20)
[   14.077737][  T287]  ? 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))
[   14.077742][  T287]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   14.077746][  T287]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   14.077753][  T287]  console_flush_one_record (kernel/printk/printk.c:3268)
[   14.077759][  T287]  ? console_emit_next_record (kernel/printk/printk.c:3150)
[   14.077762][  T287]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   14.077772][  T287]  console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420)
[   14.077776][  T287]  ? console_flush_one_record (kernel/printk/printk.c:3316)
[   14.077778][  T287]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   14.077781][  T287]  ? lock_acquire (kernel/locking/lockdep.c:5913)
[   14.077788][  T287]  ? __down_trylock_console_sem (kernel/printk/printk.c:334)
[   14.077791][  T287]  ? vprintk_emit (kernel/printk/printk.c:2478)
[   14.077796][  T287]  vprintk_emit (kernel/printk/printk.c:2479)
[   14.077802][  T287]  ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126))
[   14.077805][  T287]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   14.077808][  T287]  ? 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))
[   14.077811][  T287]  ? find_held_lock (kernel/locking/lockdep.c:5360)
[   14.077818][  T287]  _printk (kernel/printk/printk.c:2504)
[   14.077824][  T287]  ? snapshot_read.cold (user.c:?)
[   14.077826][  T287]  ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4116 (discriminator 3) kernel/rcu/tree.c:4108 (discriminator 3))
[   14.077831][  T287]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380)
[   14.077835][  T287]  ? validate_chain (kernel/locking/lockdep.c:3817 (discriminator 2) kernel/locking/lockdep.c:3837 (discriminator 2) kernel/locking/lockdep.c:3892 (discriminator 2))
[   14.077838][  T287]  ? netdev_name (./include/linux/netdevice.h:5709 (discriminator 1))
[   14.077843][  T287]  ? __netdev_printk (net/core/dev.c:13148 (discriminator 2))
[   14.077847][  T287]  ? do_setlink.isra.0 (net/core/rtnetlink.c:3246)
[   14.077851][  T287]  netdev_info (net/core/dev.c:13195 (discriminator 3))
[   14.077855][  T287]  ? netdev_notice (net/core/dev.c:13194)
[   14.077859][  T287]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[   14.077864][  T287]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554)
[   14.077868][  T287]  ? mark_held_locks (kernel/locking/lockdep.c:4341)
[   14.077874][  T287]  ? do_setlink.isra.0 (net/core/rtnetlink.c:3246)
[   14.077878][  T287]  netif_change_name.cold (net/core/dev.c:1507 (discriminator 3))
[   14.077883][  T287]  ? 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))
[   14.077892][  T287]  ? netdev_adjacent_rename_links (net/core/dev.c:9598)
[   14.077896][  T287]  ? __kernel_text_address (kernel/extable.c:79)
[   14.077900][  T287]  ? write_profile (profile.c:?)
[   14.077906][  T287]  ? __asan_memset (mm/kasan/shadow.c:84 (discriminator 1))
[   14.077914][  T287]  do_setlink.isra.0 (net/core/rtnetlink.c:3246)
[   14.077922][  T287]  ? stack_trace_save (kernel/stacktrace.c:122 (discriminator 1))
[   14.077925][  T287]  ? rtnl_link_get_size (net/core/rtnetlink.c:747)
[   14.077928][  T287]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:388 kernel/rcu/update.c:380)
[   14.077931][  T287]  ? stack_depot_save_flags (lib/stackdepot.c:609 (discriminator 2) lib/stackdepot.c:676 (discriminator 2))
[   14.077936][  T287]  ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4116 (discriminator 3) kernel/rcu/tree.c:4108 (discriminator 3))
[   14.077940][  T287]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380)
[   14.077943][  T287]  ? validate_chain (kernel/locking/lockdep.c:3817 (discriminator 2) kernel/locking/lockdep.c:3837 (discriminator 2) kernel/locking/lockdep.c:3892 (discriminator 2))
[   14.077948][  T287]  ? kasan_save_stack (mm/kasan/common.c:58)
[   14.077951][  T287]  ? kasan_save_stack (mm/kasan/common.c:57)
[   14.077954][  T287]  ? kasan_save_track (mm/kasan/common.c:78)
[   14.077959][  T287]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   14.077962][  T287]  ? netlink_update_listeners (net/netlink/af_netlink.c:532)
[   14.077966][  T287]  ? ___sys_sendmsg (net/socket.c:2744 net/socket.c:2763)
[   14.077973][  T287]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2))
[   14.077977][  T287]  ? rtnl_newlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:366 net/core/rtnetlink.c:4214)
[   14.077981][  T287]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   14.077985][  T287]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   14.077987][  T287]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   14.077989][  T287]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   14.077993][  T287]  ? trace_contention_end (./include/trace/events/lock.h:121 (discriminator 22))
[   14.077997][  T287]  ? __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)
[   14.078001][  T287]  ? __mutex_lock (kernel/locking/mutex.c:656 (discriminator 1) kernel/locking/mutex.c:821 (discriminator 1))
[   14.078005][  T287]  ? rtnl_newlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:366 net/core/rtnetlink.c:4214)
[   14.078011][  T287]  ? ww_mutex_lock (kernel/locking/mutex.c:934)
[   14.078014][  T287]  ? nla_get_range_signed (lib/nlattr.c:270)
[   14.078024][  T287]  ? __rtnl_newlink (net/core/rtnetlink.c:4063)
[   14.078034][  T287]  rtnl_newlink (net/core/rtnetlink.c:4215)
[   14.078044][  T287]  ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558)
[   14.078047][  T287]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   14.078056][  T287]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2))
[   14.078059][  T287]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[   14.078062][  T287]  ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558)
[   14.078066][  T287]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554)
[   14.078073][  T287]  ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558)
[   14.078077][  T287]  rtnetlink_rcv_msg (net/core/rtnetlink.c:7132)
[   14.078082][  T287]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   14.078084][  T287]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   14.078092][  T287]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2))
[   14.078096][  T287]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[   14.078102][  T287]  netlink_rcv_skb (net/netlink/af_netlink.c:2556)
[   14.078105][  T287]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   14.078111][  T287]  ? netlink_ack (./include/linux/skbuff.h:2718)
[   14.078123][  T287]  ? 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))
[   14.078125][  T287]  ? 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))
[   14.078133][  T287]  netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[   14.078140][  T287]  ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[   14.078145][  T287]  ? __lock_acquire (kernel/locking/lockdep.c:5251 (discriminator 3))
[   14.078153][  T287]  netlink_sendmsg (net/netlink/af_netlink.c:1900)
[   14.078160][  T287]  ? netlink_unicast (./include/net/net_namespace.h:422 (discriminator 7))
[   14.078162][  T287]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554)
[   14.078168][  T287]  ? __might_fault (mm/memory.c:7482 (discriminator 5))
[   14.078173][  T287]  ? __might_fault (mm/memory.c:7482 (discriminator 5))
[   14.078181][  T287]  ____sys_sendmsg (net/socket.c:800 (discriminator 4) net/socket.c:815 (discriminator 4) net/socket.c:2713 (discriminator 4))
[   14.078184][  T287]  ? copy_msghdr_from_user (net/socket.c:2650)
[   14.078188][  T287]  ? get_timestamp.constprop.0 (./include/linux/netdevice.h:5399)
[   14.078191][  T287]  ? move_addr_to_kernel (./include/linux/audit.h:354 (discriminator 1))
[   14.078205][  T287]  ___sys_sendmsg (net/socket.c:2767)
[   14.078210][  T287]  ? copy_msghdr_from_user (net/socket.c:2619)
[   14.078242][  T287]  __sys_sendmsg (net/socket.c:2799)
[   14.078247][  T287]  ? __sys_sendmsg_sock (net/socket.c:2780)
[   14.078259][  T287]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   14.078265][  T287]  do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84)
[   14.078269][  T287]  ? exc_page_fault (arch/x86/mm/fault.c:1489 (discriminator 3) arch/x86/mm/fault.c:1536 (discriminator 3))
[   14.078274][  T287]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[   14.078278][  T287] RIP: 0033:0x7fb88da8354e
[   14.078283][  T287] 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
[   14.078285][  T287] RSP: 002b:00007fffd2040740 EFLAGS: 00000202 ORIG_RAX: 000000000000002e
[   14.078289][  T287] RAX: ffffffffffffffda RBX: 0000000000000003 RCX: 00007fb88da8354e
[   14.078291][  T287] RDX: 0000000000000000 RSI: 00007fffd20407f0 RDI: 0000000000000005
[   14.078293][  T287] RBP: 00007fffd2040750 R08: 0000000000000000 R09: 0000000000000000
[   14.078295][  T287] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a918d5c
[   14.078296][  T287] R13: 00000000004a1620 R14: 0000000000000000 R15: 00007fffd2040ec0
| [   15.115215][  T292] softirqs last disabled at (23612): netif_change_name (./include/linux/spinlock.h:353 ./include/linux/seqlock.h:908 net/core/dev.c:1499)
| [   15.115218][  T292] Preemption disabled at:
| [   15.115220][  T292] vprintk_emit (kernel/printk/printk.c:2471)
| [   15.115231][  T292] Tainted: [W]=WARN
[   15.115233][  T292] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   15.115235][  T292] Call Trace:
[   15.115237][  T292]  <TASK>
[   15.115239][  T292]  dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120)
[   15.115246][  T292]  ? vprintk_emit (kernel/printk/printk.c:2471)
[   15.115249][  T292]  __might_resched.cold (kernel/sched/core.c:9234)
[   15.115255][  T292]  ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3))
[   15.115260][  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)
[   15.115267][  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))
[   15.115271][  T292]  ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[   15.115280][  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)
[   15.115284][  T292]  alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[   15.115289][  T292]  put_chars (drivers/char/virtio_console.c:1176)
[   15.115293][  T292]  ? __send_to_port (drivers/char/virtio_console.c:654)
[   15.115299][  T292]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380)
[   15.115304][  T292]  ? validate_chain (kernel/locking/lockdep.c:3817 (discriminator 2) kernel/locking/lockdep.c:3837 (discriminator 2) kernel/locking/lockdep.c:3892 (discriminator 2))
[   15.115312][  T292]  hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2))
[   15.115317][  T292]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   15.115319][  T292]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   15.115328][  T292]  ? hvc_write (drivers/tty/hvc/hvc_console.c:501)
[   15.115334][  T292]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   15.115338][  T292]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   15.115346][  T292]  console_emit_next_record (kernel/printk/printk.c:3183)
[   15.115352][  T292]  ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20)
[   15.115353][  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))
[   15.115358][  T292]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   15.115361][  T292]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   15.115368][  T292]  console_flush_one_record (kernel/printk/printk.c:3268)
[   15.115375][  T292]  ? console_emit_next_record (kernel/printk/printk.c:3150)
[   15.115377][  T292]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   15.115387][  T292]  console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420)
[   15.115391][  T292]  ? console_flush_one_record (kernel/printk/printk.c:3316)
[   15.115393][  T292]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   15.115401][  T292]  ? lock_acquire (kernel/locking/lockdep.c:5913)
[   15.115408][  T292]  ? __down_trylock_console_sem (kernel/printk/printk.c:334)
[   15.115411][  T292]  ? vprintk_emit (kernel/printk/printk.c:2478)
[   15.115416][  T292]  vprintk_emit (kernel/printk/printk.c:2479)
[   15.115422][  T292]  ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126))
[   15.115425][  T292]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   15.115428][  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))
[   15.115431][  T292]  ? find_held_lock (kernel/locking/lockdep.c:5360)
[   15.115437][  T292]  _printk (kernel/printk/printk.c:2504)
[   15.115442][  T292]  ? snapshot_read.cold (user.c:?)
[   15.115445][  T292]  ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4116 (discriminator 3) kernel/rcu/tree.c:4108 (discriminator 3))
[   15.115450][  T292]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380)
[   15.115453][  T292]  ? validate_chain (kernel/locking/lockdep.c:3817 (discriminator 2) kernel/locking/lockdep.c:3837 (discriminator 2) kernel/locking/lockdep.c:3892 (discriminator 2))
[   15.115456][  T292]  ? netdev_name (./include/linux/netdevice.h:5709 (discriminator 1))
[   15.115461][  T292]  ? __netdev_printk (net/core/dev.c:13148 (discriminator 2))
[   15.115466][  T292]  ? do_setlink.isra.0 (net/core/rtnetlink.c:3246)
[   15.115470][  T292]  netdev_info (net/core/dev.c:13195 (discriminator 3))
[   15.115474][  T292]  ? netdev_notice (net/core/dev.c:13194)
[   15.115478][  T292]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[   15.115484][  T292]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554)
[   15.115488][  T292]  ? mark_held_locks (kernel/locking/lockdep.c:4341)
[   15.115494][  T292]  ? do_setlink.isra.0 (net/core/rtnetlink.c:3246)
[   15.115497][  T292]  netif_change_name.cold (net/core/dev.c:1507 (discriminator 3))
[   15.115501][  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))
[   15.115510][  T292]  ? netdev_adjacent_rename_links (net/core/dev.c:9598)
[   15.115514][  T292]  ? __kernel_text_address (kernel/extable.c:79)
[   15.115517][  T292]  ? write_profile (profile.c:?)
[   15.115523][  T292]  ? __asan_memset (mm/kasan/shadow.c:84 (discriminator 1))
[   15.115531][  T292]  do_setlink.isra.0 (net/core/rtnetlink.c:3246)
[   15.115538][  T292]  ? stack_trace_save (kernel/stacktrace.c:122 (discriminator 1))
[   15.115542][  T292]  ? rtnl_link_get_size (net/core/rtnetlink.c:747)
[   15.115544][  T292]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:388 kernel/rcu/update.c:380)
[   15.115548][  T292]  ? stack_depot_save_flags (lib/stackdepot.c:609 (discriminator 2) lib/stackdepot.c:676 (discriminator 2))
[   15.115553][  T292]  ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4116 (discriminator 3) kernel/rcu/tree.c:4108 (discriminator 3))
[   15.115557][  T292]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380)
[   15.115560][  T292]  ? validate_chain (kernel/locking/lockdep.c:3817 (discriminator 2) kernel/locking/lockdep.c:3837 (discriminator 2) kernel/locking/lockdep.c:3892 (discriminator 2))
[   15.115564][  T292]  ? kasan_save_stack (mm/kasan/common.c:58)
[   15.115568][  T292]  ? kasan_save_stack (mm/kasan/common.c:57)
[   15.115570][  T292]  ? kasan_save_track (mm/kasan/common.c:78)
[   15.115575][  T292]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   15.115578][  T292]  ? netlink_update_listeners (net/netlink/af_netlink.c:532)
[   15.115582][  T292]  ? ___sys_sendmsg (net/socket.c:2744 net/socket.c:2763)
[   15.115590][  T292]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2))
[   15.115593][  T292]  ? rtnl_newlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:366 net/core/rtnetlink.c:4214)
[   15.115598][  T292]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   15.115601][  T292]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   15.115603][  T292]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   15.115605][  T292]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   15.115608][  T292]  ? trace_contention_end (./include/trace/events/lock.h:121 (discriminator 22))
[   15.115612][  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)
[   15.115616][  T292]  ? __mutex_lock (kernel/locking/mutex.c:656 (discriminator 1) kernel/locking/mutex.c:821 (discriminator 1))
[   15.115620][  T292]  ? rtnl_newlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:366 net/core/rtnetlink.c:4214)
[   15.115626][  T292]  ? ww_mutex_lock (kernel/locking/mutex.c:934)
[   15.115629][  T292]  ? nla_get_range_signed (lib/nlattr.c:270)
[   15.115640][  T292]  ? __rtnl_newlink (net/core/rtnetlink.c:4063)
[   15.115650][  T292]  rtnl_newlink (net/core/rtnetlink.c:4215)
[   15.115660][  T292]  ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558)
[   15.115663][  T292]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   15.115670][  T292]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2))
[   15.115673][  T292]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[   15.115677][  T292]  ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558)
[   15.115680][  T292]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554)
[   15.115687][  T292]  ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558)
[   15.115690][  T292]  rtnetlink_rcv_msg (net/core/rtnetlink.c:7132)
[   15.115696][  T292]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   15.115698][  T292]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   15.115707][  T292]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2))
[   15.115710][  T292]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[   15.115716][  T292]  netlink_rcv_skb (net/netlink/af_netlink.c:2556)
[   15.115719][  T292]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   15.115724][  T292]  ? netlink_ack (./include/linux/skbuff.h:2718)
[   15.115736][  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))
[   15.115738][  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))
[   15.115746][  T292]  netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[   15.115753][  T292]  ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[   15.115758][  T292]  ? __lock_acquire (kernel/locking/lockdep.c:5251 (discriminator 3))
[   15.115765][  T292]  netlink_sendmsg (net/netlink/af_netlink.c:1900)
[   15.115772][  T292]  ? netlink_unicast (./include/net/net_namespace.h:422 (discriminator 7))
[   15.115774][  T292]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554)
[   15.115779][  T292]  ? __might_fault (mm/memory.c:7482 (discriminator 5))
[   15.115784][  T292]  ? __might_fault (mm/memory.c:7482 (discriminator 5))
[   15.115792][  T292]  ____sys_sendmsg (net/socket.c:800 (discriminator 4) net/socket.c:815 (discriminator 4) net/socket.c:2713 (discriminator 4))
[   15.115795][  T292]  ? copy_msghdr_from_user (net/socket.c:2650)
[   15.115798][  T292]  ? get_timestamp.constprop.0 (./include/linux/netdevice.h:5399)
[   15.115801][  T292]  ? move_addr_to_kernel (./include/linux/audit.h:354 (discriminator 1))
[   15.115814][  T292]  ___sys_sendmsg (net/socket.c:2767)
[   15.115818][  T292]  ? copy_msghdr_from_user (net/socket.c:2619)
[   15.115850][  T292]  __sys_sendmsg (net/socket.c:2799)
[   15.115855][  T292]  ? __sys_sendmsg_sock (net/socket.c:2780)
[   15.115866][  T292]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   15.115872][  T292]  do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84)
[   15.115875][  T292]  ? exc_page_fault (arch/x86/mm/fault.c:1489 (discriminator 3) arch/x86/mm/fault.c:1536 (discriminator 3))
[   15.115880][  T292]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[   15.115883][  T292] RIP: 0033:0x7fb835d6254e
[   15.115888][  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
[   15.115890][  T292] RSP: 002b:00007ffe43e14dd0 EFLAGS: 00000202 ORIG_RAX: 000000000000002e
[   15.115894][  T292] RAX: ffffffffffffffda RBX: 0000000000000003 RCX: 00007fb835d6254e
[   15.115896][  T292] RDX: 0000000000000000 RSI: 00007ffe43e14e80 RDI: 0000000000000005
[   15.115897][  T292] RBP: 00007ffe43e14de0 R08: 0000000000000000 R09: 0000000000000000
[   15.115898][  T292] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a918d5d
[   15.115900][  T292] R13: 00000000004a1620 R14: 0000000000000000 R15: 00007ffe43e15550
| [   16.253890][  T300] softirqs last disabled at (17946): netif_change_name (./include/linux/spinlock.h:353 ./include/linux/seqlock.h:908 net/core/dev.c:1499)
| [   16.253893][  T300] Preemption disabled at:
| [   16.253894][  T300] vprintk_emit (kernel/printk/printk.c:2471)
| [   16.253905][  T300] Tainted: [W]=WARN
[   16.253906][  T300] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   16.253908][  T300] Call Trace:
[   16.253910][  T300]  <TASK>
[   16.253913][  T300]  dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120)
[   16.253919][  T300]  ? vprintk_emit (kernel/printk/printk.c:2471)
[   16.253922][  T300]  __might_resched.cold (kernel/sched/core.c:9234)
[   16.253927][  T300]  ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3))
[   16.253932][  T300]  ? __kmalloc_noprof (./include/linux/sched/mm.h:317 mm/slub.c:4636 mm/slub.c:4974 mm/slub.c:5413 mm/slub.c:5439)
[   16.253939][  T300]  __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))
[   16.253943][  T300]  ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[   16.253952][  T300]  ? 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)
[   16.253955][  T300]  alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[   16.253961][  T300]  put_chars (drivers/char/virtio_console.c:1176)
[   16.253965][  T300]  ? __send_to_port (drivers/char/virtio_console.c:654)
[   16.253970][  T300]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380)
[   16.253975][  T300]  ? validate_chain (kernel/locking/lockdep.c:3817 (discriminator 2) kernel/locking/lockdep.c:3837 (discriminator 2) kernel/locking/lockdep.c:3892 (discriminator 2))
[   16.253983][  T300]  hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2))
[   16.253987][  T300]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   16.253989][  T300]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   16.253997][  T300]  ? hvc_write (drivers/tty/hvc/hvc_console.c:501)
[   16.254003][  T300]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   16.254007][  T300]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   16.254014][  T300]  console_emit_next_record (kernel/printk/printk.c:3183)
[   16.254019][  T300]  ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20)
[   16.254021][  T300]  ? 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))
[   16.254026][  T300]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   16.254029][  T300]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   16.254035][  T300]  console_flush_one_record (kernel/printk/printk.c:3268)
[   16.254042][  T300]  ? console_emit_next_record (kernel/printk/printk.c:3150)
[   16.254044][  T300]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   16.254055][  T300]  console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420)
[   16.254059][  T300]  ? console_flush_one_record (kernel/printk/printk.c:3316)
[   16.254061][  T300]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   16.254064][  T300]  ? lock_acquire (kernel/locking/lockdep.c:5913)
[   16.254070][  T300]  ? __down_trylock_console_sem (kernel/printk/printk.c:334)
[   16.254074][  T300]  ? vprintk_emit (kernel/printk/printk.c:2478)
[   16.254079][  T300]  vprintk_emit (kernel/printk/printk.c:2479)
[   16.254084][  T300]  ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126))
[   16.254087][  T300]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   16.254090][  T300]  ? 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))
[   16.254093][  T300]  ? find_held_lock (kernel/locking/lockdep.c:5360)
[   16.254100][  T300]  _printk (kernel/printk/printk.c:2504)
[   16.254104][  T300]  ? snapshot_read.cold (user.c:?)
[   16.254107][  T300]  ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4116 (discriminator 3) kernel/rcu/tree.c:4108 (discriminator 3))
[   16.254111][  T300]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380)
[   16.254114][  T300]  ? validate_chain (kernel/locking/lockdep.c:3817 (discriminator 2) kernel/locking/lockdep.c:3837 (discriminator 2) kernel/locking/lockdep.c:3892 (discriminator 2))
[   16.254118][  T300]  ? netdev_name (./include/linux/netdevice.h:5709 (discriminator 1))
[   16.254122][  T300]  ? __netdev_printk (net/core/dev.c:13148 (discriminator 2))
[   16.254126][  T300]  ? do_setlink.isra.0 (net/core/rtnetlink.c:3246)
[   16.254130][  T300]  netdev_info (net/core/dev.c:13195 (discriminator 3))
[   16.254134][  T300]  ? netdev_notice (net/core/dev.c:13194)
[   16.254138][  T300]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[   16.254143][  T300]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554)
[   16.254147][  T300]  ? mark_held_locks (kernel/locking/lockdep.c:4341)
[   16.254153][  T300]  ? do_setlink.isra.0 (net/core/rtnetlink.c:3246)
[   16.254156][  T300]  netif_change_name.cold (net/core/dev.c:1507 (discriminator 3))
[   16.254161][  T300]  ? 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))
[   16.254169][  T300]  ? netdev_adjacent_rename_links (net/core/dev.c:9598)
[   16.254173][  T300]  ? __kernel_text_address (kernel/extable.c:79)
[   16.254177][  T300]  ? write_profile (profile.c:?)
[   16.254182][  T300]  ? __asan_memset (mm/kasan/shadow.c:84 (discriminator 1))
[   16.254190][  T300]  do_setlink.isra.0 (net/core/rtnetlink.c:3246)
[   16.254197][  T300]  ? stack_trace_save (kernel/stacktrace.c:122 (discriminator 1))
[   16.254200][  T300]  ? rtnl_link_get_size (net/core/rtnetlink.c:747)
[   16.254202][  T300]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:388 kernel/rcu/update.c:380)
[   16.254205][  T300]  ? stack_depot_save_flags (lib/stackdepot.c:609 (discriminator 2) lib/stackdepot.c:676 (discriminator 2))
[   16.254210][  T300]  ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4116 (discriminator 3) kernel/rcu/tree.c:4108 (discriminator 3))
[   16.254213][  T300]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380)
[   16.254216][  T300]  ? validate_chain (kernel/locking/lockdep.c:3817 (discriminator 2) kernel/locking/lockdep.c:3837 (discriminator 2) kernel/locking/lockdep.c:3892 (discriminator 2))
[   16.254221][  T300]  ? kasan_save_stack (mm/kasan/common.c:58)
[   16.254224][  T300]  ? kasan_save_stack (mm/kasan/common.c:57)
[   16.254227][  T300]  ? kasan_save_track (mm/kasan/common.c:78)
[   16.254231][  T300]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   16.254234][  T300]  ? netlink_update_listeners (net/netlink/af_netlink.c:532)
[   16.254237][  T300]  ? ___sys_sendmsg (net/socket.c:2744 net/socket.c:2763)
[   16.254245][  T300]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2))
[   16.254248][  T300]  ? rtnl_newlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:366 net/core/rtnetlink.c:4214)
[   16.254252][  T300]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   16.254255][  T300]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   16.254257][  T300]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   16.254259][  T300]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   16.254262][  T300]  ? trace_contention_end (./include/trace/events/lock.h:121 (discriminator 22))
[   16.254266][  T300]  ? __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)
[   16.254269][  T300]  ? __mutex_lock (kernel/locking/mutex.c:656 (discriminator 1) kernel/locking/mutex.c:821 (discriminator 1))
[   16.254273][  T300]  ? rtnl_newlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:366 net/core/rtnetlink.c:4214)
[   16.254279][  T300]  ? ww_mutex_lock (kernel/locking/mutex.c:934)
[   16.254282][  T300]  ? nla_get_range_signed (lib/nlattr.c:270)
[   16.254291][  T300]  ? __rtnl_newlink (net/core/rtnetlink.c:4063)
[   16.254300][  T300]  rtnl_newlink (net/core/rtnetlink.c:4215)
[   16.254310][  T300]  ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558)
[   16.254313][  T300]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   16.254320][  T300]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2))
[   16.254323][  T300]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[   16.254327][  T300]  ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558)
[   16.254330][  T300]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554)
[   16.254336][  T300]  ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558)
[   16.254339][  T300]  rtnetlink_rcv_msg (net/core/rtnetlink.c:7132)
[   16.254344][  T300]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   16.254346][  T300]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   16.254354][  T300]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2))
[   16.254357][  T300]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[   16.254363][  T300]  netlink_rcv_skb (net/netlink/af_netlink.c:2556)
[   16.254365][  T300]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   16.254370][  T300]  ? netlink_ack (./include/linux/skbuff.h:2718)
[   16.254381][  T300]  ? 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))
[   16.254383][  T300]  ? 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))
[   16.254390][  T300]  netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[   16.254396][  T300]  ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[   16.254404][  T300]  ? __lock_acquire (kernel/locking/lockdep.c:5251 (discriminator 3))
[   16.254411][  T300]  netlink_sendmsg (net/netlink/af_netlink.c:1900)
[   16.254418][  T300]  ? netlink_unicast (./include/net/net_namespace.h:422 (discriminator 7))
[   16.254420][  T300]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554)
[   16.254425][  T300]  ? __might_fault (mm/memory.c:7482 (discriminator 5))
[   16.254429][  T300]  ? __might_fault (mm/memory.c:7482 (discriminator 5))
[   16.254436][  T300]  ____sys_sendmsg (net/socket.c:800 (discriminator 4) net/socket.c:815 (discriminator 4) net/socket.c:2713 (discriminator 4))
[   16.254439][  T300]  ? copy_msghdr_from_user (net/socket.c:2650)
[   16.254443][  T300]  ? get_timestamp.constprop.0 (./include/linux/netdevice.h:5399)
[   16.254445][  T300]  ? move_addr_to_kernel (./include/linux/audit.h:354 (discriminator 1))
[   16.254458][  T300]  ___sys_sendmsg (net/socket.c:2767)
[   16.254463][  T300]  ? copy_msghdr_from_user (net/socket.c:2619)
[   16.254492][  T300]  __sys_sendmsg (net/socket.c:2799)
[   16.254497][  T300]  ? __sys_sendmsg_sock (net/socket.c:2780)
[   16.254508][  T300]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   16.254513][  T300]  do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84)
[   16.254516][  T300]  ? exc_page_fault (arch/x86/mm/fault.c:1489 (discriminator 3) arch/x86/mm/fault.c:1536 (discriminator 3))
[   16.254521][  T300]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[   16.254524][  T300] RIP: 0033:0x7fdad778c54e
[   16.254528][  T300] 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
[   16.254530][  T300] RSP: 002b:00007ffe38cb2b50 EFLAGS: 00000202 ORIG_RAX: 000000000000002e
[   16.254534][  T300] RAX: ffffffffffffffda RBX: 0000000000000003 RCX: 00007fdad778c54e
[   16.254536][  T300] RDX: 0000000000000000 RSI: 00007ffe38cb2c00 RDI: 0000000000000005
[   16.254537][  T300] RBP: 00007ffe38cb2b60 R08: 0000000000000000 R09: 0000000000000000
[   16.254538][  T300] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a918d5e
[   16.254540][  T300] R13: 00000000004a1620 R14: 0000000000000000 R15: 00007ffe38cb32d0
| [   17.265250][  T309] softirqs last disabled at (21706): netif_change_name (./include/linux/spinlock.h:353 ./include/linux/seqlock.h:908 net/core/dev.c:1499)
| [   17.265253][  T309] Preemption disabled at:
| [   17.265253][  T309] vprintk_emit (kernel/printk/printk.c:2471)
| [   17.265262][  T309] Tainted: [W]=WARN
[   17.265263][  T309] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   17.265265][  T309] Call Trace:
[   17.265267][  T309]  <TASK>
[   17.265268][  T309]  dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120)
[   17.265273][  T309]  ? vprintk_emit (kernel/printk/printk.c:2471)
[   17.265275][  T309]  __might_resched.cold (kernel/sched/core.c:9234)
[   17.265280][  T309]  ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3))
[   17.265283][  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)
[   17.265288][  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))
[   17.265291][  T309]  ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[   17.265297][  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)
[   17.265300][  T309]  alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[   17.265303][  T309]  put_chars (drivers/char/virtio_console.c:1176)
[   17.265307][  T309]  ? __send_to_port (drivers/char/virtio_console.c:654)
[   17.265310][  T309]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380)
[   17.265314][  T309]  ? validate_chain (kernel/locking/lockdep.c:3817 (discriminator 2) kernel/locking/lockdep.c:3837 (discriminator 2) kernel/locking/lockdep.c:3892 (discriminator 2))
[   17.265319][  T309]  hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2))
[   17.265322][  T309]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   17.265324][  T309]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   17.265329][  T309]  ? hvc_write (drivers/tty/hvc/hvc_console.c:501)
[   17.265332][  T309]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   17.265335][  T309]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   17.265340][  T309]  console_emit_next_record (kernel/printk/printk.c:3183)
[   17.265343][  T309]  ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20)
[   17.265345][  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))
[   17.265347][  T309]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   17.265349][  T309]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   17.265353][  T309]  console_flush_one_record (kernel/printk/printk.c:3268)
[   17.265357][  T309]  ? console_emit_next_record (kernel/printk/printk.c:3150)
[   17.265359][  T309]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   17.265364][  T309]  console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420)
[   17.265367][  T309]  ? console_flush_one_record (kernel/printk/printk.c:3316)
[   17.265368][  T309]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   17.265370][  T309]  ? lock_acquire (kernel/locking/lockdep.c:5913)
[   17.265374][  T309]  ? __down_trylock_console_sem (kernel/printk/printk.c:334)
[   17.265376][  T309]  ? vprintk_emit (kernel/printk/printk.c:2478)
[   17.265379][  T309]  vprintk_emit (kernel/printk/printk.c:2479)
[   17.265382][  T309]  ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126))
[   17.265385][  T309]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   17.265387][  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))
[   17.265389][  T309]  ? find_held_lock (kernel/locking/lockdep.c:5360)
[   17.265393][  T309]  _printk (kernel/printk/printk.c:2504)
[   17.265396][  T309]  ? snapshot_read.cold (user.c:?)
[   17.265398][  T309]  ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4116 (discriminator 3) kernel/rcu/tree.c:4108 (discriminator 3))
[   17.265401][  T309]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380)
[   17.265409][  T309]  ? validate_chain (kernel/locking/lockdep.c:3817 (discriminator 2) kernel/locking/lockdep.c:3837 (discriminator 2) kernel/locking/lockdep.c:3892 (discriminator 2))
[   17.265412][  T309]  ? netdev_name (./include/linux/netdevice.h:5709 (discriminator 1))
[   17.265415][  T309]  ? __netdev_printk (net/core/dev.c:13148 (discriminator 2))
[   17.265418][  T309]  ? do_setlink.isra.0 (net/core/rtnetlink.c:3246)
[   17.265420][  T309]  netdev_info (net/core/dev.c:13195 (discriminator 3))
[   17.265423][  T309]  ? netdev_notice (net/core/dev.c:13194)
[   17.265426][  T309]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[   17.265429][  T309]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554)
[   17.265432][  T309]  ? mark_held_locks (kernel/locking/lockdep.c:4341)
[   17.265435][  T309]  ? do_setlink.isra.0 (net/core/rtnetlink.c:3246)
[   17.265437][  T309]  netif_change_name.cold (net/core/dev.c:1507 (discriminator 3))
[   17.265441][  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))
[   17.265447][  T309]  ? netdev_adjacent_rename_links (net/core/dev.c:9598)
[   17.265449][  T309]  ? __kernel_text_address (kernel/extable.c:79)
[   17.265453][  T309]  ? write_profile (profile.c:?)
[   17.265457][  T309]  ? __asan_memset (mm/kasan/shadow.c:84 (discriminator 1))
[   17.265462][  T309]  do_setlink.isra.0 (net/core/rtnetlink.c:3246)
[   17.265467][  T309]  ? stack_trace_save (kernel/stacktrace.c:122 (discriminator 1))
[   17.265469][  T309]  ? rtnl_link_get_size (net/core/rtnetlink.c:747)
[   17.265470][  T309]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:388 kernel/rcu/update.c:380)
[   17.265472][  T309]  ? stack_depot_save_flags (lib/stackdepot.c:609 (discriminator 2) lib/stackdepot.c:676 (discriminator 2))
[   17.265476][  T309]  ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4116 (discriminator 3) kernel/rcu/tree.c:4108 (discriminator 3))
[   17.265478][  T309]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380)
[   17.265480][  T309]  ? validate_chain (kernel/locking/lockdep.c:3817 (discriminator 2) kernel/locking/lockdep.c:3837 (discriminator 2) kernel/locking/lockdep.c:3892 (discriminator 2))
[   17.265483][  T309]  ? kasan_save_stack (mm/kasan/common.c:58)
[   17.265486][  T309]  ? kasan_save_stack (mm/kasan/common.c:57)
[   17.265488][  T309]  ? kasan_save_track (mm/kasan/common.c:78)
[   17.265491][  T309]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   17.265493][  T309]  ? netlink_update_listeners (net/netlink/af_netlink.c:532)
[   17.265496][  T309]  ? ___sys_sendmsg (net/socket.c:2744 net/socket.c:2763)
[   17.265501][  T309]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2))
[   17.265503][  T309]  ? rtnl_newlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:366 net/core/rtnetlink.c:4214)
[   17.265506][  T309]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   17.265508][  T309]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   17.265509][  T309]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   17.265511][  T309]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   17.265513][  T309]  ? trace_contention_end (./include/trace/events/lock.h:121 (discriminator 22))
[   17.265515][  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)
[   17.265518][  T309]  ? __mutex_lock (kernel/locking/mutex.c:656 (discriminator 1) kernel/locking/mutex.c:821 (discriminator 1))
[   17.265521][  T309]  ? rtnl_newlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:366 net/core/rtnetlink.c:4214)
[   17.265524][  T309]  ? ww_mutex_lock (kernel/locking/mutex.c:934)
[   17.265526][  T309]  ? nla_get_range_signed (lib/nlattr.c:270)
[   17.265532][  T309]  ? __rtnl_newlink (net/core/rtnetlink.c:4063)
[   17.265538][  T309]  rtnl_newlink (net/core/rtnetlink.c:4215)
[   17.265546][  T309]  ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558)
[   17.265548][  T309]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   17.265553][  T309]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2))
[   17.265555][  T309]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[   17.265557][  T309]  ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558)
[   17.265559][  T309]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554)
[   17.265563][  T309]  ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558)
[   17.265565][  T309]  rtnetlink_rcv_msg (net/core/rtnetlink.c:7132)
[   17.265569][  T309]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   17.265570][  T309]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   17.265575][  T309]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2))
[   17.265577][  T309]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[   17.265581][  T309]  netlink_rcv_skb (net/netlink/af_netlink.c:2556)
[   17.265583][  T309]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   17.265586][  T309]  ? netlink_ack (./include/linux/skbuff.h:2718)
[   17.265592][  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))
[   17.265594][  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))
[   17.265598][  T309]  netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[   17.265602][  T309]  ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[   17.265605][  T309]  ? __lock_acquire (kernel/locking/lockdep.c:5251 (discriminator 3))
[   17.265609][  T309]  netlink_sendmsg (net/netlink/af_netlink.c:1900)
[   17.265613][  T309]  ? netlink_unicast (./include/net/net_namespace.h:422 (discriminator 7))
[   17.265615][  T309]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554)
[   17.265618][  T309]  ? __might_fault (mm/memory.c:7482 (discriminator 5))
[   17.265622][  T309]  ? __might_fault (mm/memory.c:7482 (discriminator 5))
[   17.265626][  T309]  ____sys_sendmsg (net/socket.c:800 (discriminator 4) net/socket.c:815 (discriminator 4) net/socket.c:2713 (discriminator 4))
[   17.265628][  T309]  ? copy_msghdr_from_user (net/socket.c:2650)
[   17.265630][  T309]  ? get_timestamp.constprop.0 (./include/linux/netdevice.h:5399)
[   17.265632][  T309]  ? move_addr_to_kernel (./include/linux/audit.h:354 (discriminator 1))
[   17.265640][  T309]  ___sys_sendmsg (net/socket.c:2767)
[   17.265643][  T309]  ? copy_msghdr_from_user (net/socket.c:2619)
[   17.265659][  T309]  __sys_sendmsg (net/socket.c:2799)
[   17.265663][  T309]  ? __sys_sendmsg_sock (net/socket.c:2780)
[   17.265669][  T309]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   17.265673][  T309]  do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84)
[   17.265675][  T309]  ? exc_page_fault (arch/x86/mm/fault.c:1489 (discriminator 3) arch/x86/mm/fault.c:1536 (discriminator 3))
[   17.265679][  T309]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[   17.265681][  T309] RIP: 0033:0x7f851c76554e
[   17.265685][  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
[   17.265687][  T309] RSP: 002b:00007ffdfeb859b0 EFLAGS: 00000202 ORIG_RAX: 000000000000002e
[   17.265689][  T309] RAX: ffffffffffffffda RBX: 0000000000000003 RCX: 00007f851c76554e
[   17.265691][  T309] RDX: 0000000000000000 RSI: 00007ffdfeb85a60 RDI: 0000000000000005
[   17.265691][  T309] RBP: 00007ffdfeb859c0 R08: 0000000000000000 R09: 0000000000000000
[   17.265692][  T309] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a918d5f
[   17.265693][  T309] R13: 00000000004a1620 R14: 0000000000000000 R15: 00007ffdfeb86130
| [   18.372848][  T319] softirqs last disabled at (14030): netif_change_name (./include/linux/spinlock.h:353 ./include/linux/seqlock.h:908 net/core/dev.c:1499)
| [   18.372850][  T319] Preemption disabled at:
| [   18.372851][  T319] vprintk_emit (kernel/printk/printk.c:2471)
| [   18.372859][  T319] Tainted: [W]=WARN
[   18.372860][  T319] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   18.372862][  T319] Call Trace:
[   18.372864][  T319]  <TASK>
[   18.372865][  T319]  dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120)
[   18.372870][  T319]  ? vprintk_emit (kernel/printk/printk.c:2471)
[   18.372872][  T319]  __might_resched.cold (kernel/sched/core.c:9234)
[   18.372877][  T319]  ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3))
[   18.372880][  T319]  ? __kmalloc_noprof (./include/linux/sched/mm.h:317 mm/slub.c:4636 mm/slub.c:4974 mm/slub.c:5413 mm/slub.c:5439)
[   18.372885][  T319]  __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))
[   18.372888][  T319]  ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[   18.372894][  T319]  ? 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)
[   18.372897][  T319]  alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[   18.372901][  T319]  put_chars (drivers/char/virtio_console.c:1176)
[   18.372904][  T319]  ? __send_to_port (drivers/char/virtio_console.c:654)
[   18.372907][  T319]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380)
[   18.372911][  T319]  ? validate_chain (kernel/locking/lockdep.c:3817 (discriminator 2) kernel/locking/lockdep.c:3837 (discriminator 2) kernel/locking/lockdep.c:3892 (discriminator 2))
[   18.372916][  T319]  hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2))
[   18.372919][  T319]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   18.372921][  T319]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   18.372926][  T319]  ? hvc_write (drivers/tty/hvc/hvc_console.c:501)
[   18.372929][  T319]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   18.372932][  T319]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   18.372936][  T319]  console_emit_next_record (kernel/printk/printk.c:3183)
[   18.372940][  T319]  ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20)
[   18.372941][  T319]  ? 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))
[   18.372944][  T319]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   18.372946][  T319]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   18.372950][  T319]  console_flush_one_record (kernel/printk/printk.c:3268)
[   18.372954][  T319]  ? console_emit_next_record (kernel/printk/printk.c:3150)
[   18.372955][  T319]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   18.372961][  T319]  console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420)
[   18.372963][  T319]  ? console_flush_one_record (kernel/printk/printk.c:3316)
[   18.372964][  T319]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   18.372966][  T319]  ? lock_acquire (kernel/locking/lockdep.c:5913)
[   18.372970][  T319]  ? __down_trylock_console_sem (kernel/printk/printk.c:334)
[   18.372972][  T319]  ? vprintk_emit (kernel/printk/printk.c:2478)
[   18.372975][  T319]  vprintk_emit (kernel/printk/printk.c:2479)
[   18.372978][  T319]  ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126))
[   18.372980][  T319]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   18.372982][  T319]  ? 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))
[   18.372984][  T319]  ? find_held_lock (kernel/locking/lockdep.c:5360)
[   18.372988][  T319]  _printk (kernel/printk/printk.c:2504)
[   18.372992][  T319]  ? snapshot_read.cold (user.c:?)
[   18.372994][  T319]  ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4116 (discriminator 3) kernel/rcu/tree.c:4108 (discriminator 3))
[   18.372996][  T319]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380)
[   18.372999][  T319]  ? validate_chain (kernel/locking/lockdep.c:3817 (discriminator 2) kernel/locking/lockdep.c:3837 (discriminator 2) kernel/locking/lockdep.c:3892 (discriminator 2))
[   18.373001][  T319]  ? netdev_name (./include/linux/netdevice.h:5709 (discriminator 1))
[   18.373004][  T319]  ? __netdev_printk (net/core/dev.c:13148 (discriminator 2))
[   18.373007][  T319]  ? do_setlink.isra.0 (net/core/rtnetlink.c:3246)
[   18.373009][  T319]  netdev_info (net/core/dev.c:13195 (discriminator 3))
[   18.373012][  T319]  ? netdev_notice (net/core/dev.c:13194)
[   18.373014][  T319]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[   18.373017][  T319]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554)
[   18.373020][  T319]  ? mark_held_locks (kernel/locking/lockdep.c:4341)
[   18.373024][  T319]  ? do_setlink.isra.0 (net/core/rtnetlink.c:3246)
[   18.373026][  T319]  netif_change_name.cold (net/core/dev.c:1507 (discriminator 3))
[   18.373029][  T319]  ? 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))
[   18.373035][  T319]  ? netdev_adjacent_rename_links (net/core/dev.c:9598)
[   18.373037][  T319]  ? __kernel_text_address (kernel/extable.c:79)
[   18.373041][  T319]  ? write_profile (profile.c:?)
[   18.373045][  T319]  ? __asan_memset (mm/kasan/shadow.c:84 (discriminator 1))
[   18.373050][  T319]  do_setlink.isra.0 (net/core/rtnetlink.c:3246)
[   18.373058][  T319]  ? stack_trace_save (kernel/stacktrace.c:122 (discriminator 1))
[   18.373060][  T319]  ? rtnl_link_get_size (net/core/rtnetlink.c:747)
[   18.373062][  T319]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:388 kernel/rcu/update.c:380)
[   18.373064][  T319]  ? stack_depot_save_flags (lib/stackdepot.c:609 (discriminator 2) lib/stackdepot.c:676 (discriminator 2))
[   18.373067][  T319]  ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4116 (discriminator 3) kernel/rcu/tree.c:4108 (discriminator 3))
[   18.373070][  T319]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380)
[   18.373072][  T319]  ? validate_chain (kernel/locking/lockdep.c:3817 (discriminator 2) kernel/locking/lockdep.c:3837 (discriminator 2) kernel/locking/lockdep.c:3892 (discriminator 2))
[   18.373074][  T319]  ? kasan_save_stack (mm/kasan/common.c:58)
[   18.373077][  T319]  ? kasan_save_stack (mm/kasan/common.c:57)
[   18.373079][  T319]  ? kasan_save_track (mm/kasan/common.c:78)
[   18.373081][  T319]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   18.373084][  T319]  ? netlink_update_listeners (net/netlink/af_netlink.c:532)
[   18.373086][  T319]  ? ___sys_sendmsg (net/socket.c:2744 net/socket.c:2763)
[   18.373091][  T319]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2))
[   18.373093][  T319]  ? rtnl_newlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:366 net/core/rtnetlink.c:4214)
[   18.373096][  T319]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   18.373098][  T319]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   18.373100][  T319]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   18.373101][  T319]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   18.373103][  T319]  ? trace_contention_end (./include/trace/events/lock.h:121 (discriminator 22))
[   18.373105][  T319]  ? __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)
[   18.373108][  T319]  ? __mutex_lock (kernel/locking/mutex.c:656 (discriminator 1) kernel/locking/mutex.c:821 (discriminator 1))
[   18.373111][  T319]  ? rtnl_newlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:366 net/core/rtnetlink.c:4214)
[   18.373114][  T319]  ? ww_mutex_lock (kernel/locking/mutex.c:934)
[   18.373116][  T319]  ? nla_get_range_signed (lib/nlattr.c:270)
[   18.373121][  T319]  ? __rtnl_newlink (net/core/rtnetlink.c:4063)
[   18.373127][  T319]  rtnl_newlink (net/core/rtnetlink.c:4215)
[   18.373132][  T319]  ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558)
[   18.373134][  T319]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   18.373139][  T319]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2))
[   18.373141][  T319]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[   18.373143][  T319]  ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558)
[   18.373145][  T319]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554)
[   18.373149][  T319]  ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558)
[   18.373151][  T319]  rtnetlink_rcv_msg (net/core/rtnetlink.c:7132)
[   18.373154][  T319]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   18.373155][  T319]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   18.373160][  T319]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2))
[   18.373162][  T319]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[   18.373165][  T319]  netlink_rcv_skb (net/netlink/af_netlink.c:2556)
[   18.373167][  T319]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   18.373170][  T319]  ? netlink_ack (./include/linux/skbuff.h:2718)
[   18.373176][  T319]  ? 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))
[   18.373177][  T319]  ? 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))
[   18.373181][  T319]  netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[   18.373185][  T319]  ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[   18.373188][  T319]  ? __lock_acquire (kernel/locking/lockdep.c:5251 (discriminator 3))
[   18.373192][  T319]  netlink_sendmsg (net/netlink/af_netlink.c:1900)
[   18.373196][  T319]  ? netlink_unicast (./include/net/net_namespace.h:422 (discriminator 7))
[   18.373197][  T319]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554)
[   18.373200][  T319]  ? __might_fault (mm/memory.c:7482 (discriminator 5))
[   18.373204][  T319]  ? __might_fault (mm/memory.c:7482 (discriminator 5))
[   18.373208][  T319]  ____sys_sendmsg (net/socket.c:800 (discriminator 4) net/socket.c:815 (discriminator 4) net/socket.c:2713 (discriminator 4))
[   18.373210][  T319]  ? copy_msghdr_from_user (net/socket.c:2650)
[   18.373212][  T319]  ? get_timestamp.constprop.0 (./include/linux/netdevice.h:5399)
[   18.373214][  T319]  ? move_addr_to_kernel (./include/linux/audit.h:354 (discriminator 1))
[   18.373221][  T319]  ___sys_sendmsg (net/socket.c:2767)
[   18.373224][  T319]  ? copy_msghdr_from_user (net/socket.c:2619)
[   18.373240][  T319]  __sys_sendmsg (net/socket.c:2799)
[   18.373243][  T319]  ? __sys_sendmsg_sock (net/socket.c:2780)
[   18.373250][  T319]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   18.373253][  T319]  do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84)
[   18.373255][  T319]  ? exc_page_fault (arch/x86/mm/fault.c:1489 (discriminator 3) arch/x86/mm/fault.c:1536 (discriminator 3))
[   18.373259][  T319]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[   18.373261][  T319] RIP: 0033:0x7f0cc78c554e
[   18.373265][  T319] 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
[   18.373267][  T319] RSP: 002b:00007ffe5ea73030 EFLAGS: 00000202 ORIG_RAX: 000000000000002e
[   18.373269][  T319] RAX: ffffffffffffffda RBX: 0000000000000003 RCX: 00007f0cc78c554e
[   18.373271][  T319] RDX: 0000000000000000 RSI: 00007ffe5ea730e0 RDI: 0000000000000005
[   18.373272][  T319] RBP: 00007ffe5ea73040 R08: 0000000000000000 R09: 0000000000000000
[   18.373273][  T319] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a918d60
[   18.373273][  T319] R13: 00000000004a1620 R14: 0000000000000000 R15: 00007ffe5ea737b0
| [   19.466341][  T328] softirqs last disabled at (19970): netif_change_name (./include/linux/spinlock.h:353 ./include/linux/seqlock.h:908 net/core/dev.c:1499)
| [   19.466344][  T328] Preemption disabled at:
| [   19.466344][  T328] vprintk_emit (kernel/printk/printk.c:2471)
| [   19.466353][  T328] Tainted: [W]=WARN
[   19.466354][  T328] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   19.466356][  T328] Call Trace:
[   19.466357][  T328]  <TASK>
[   19.466359][  T328]  dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120)
[   19.466364][  T328]  ? vprintk_emit (kernel/printk/printk.c:2471)
[   19.466366][  T328]  __might_resched.cold (kernel/sched/core.c:9234)
[   19.466370][  T328]  ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3))
[   19.466373][  T328]  ? __kmalloc_noprof (./include/linux/sched/mm.h:317 mm/slub.c:4636 mm/slub.c:4974 mm/slub.c:5413 mm/slub.c:5439)
[   19.466379][  T328]  __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))
[   19.466381][  T328]  ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[   19.466388][  T328]  ? 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)
[   19.466391][  T328]  alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[   19.466394][  T328]  put_chars (drivers/char/virtio_console.c:1176)
[   19.466397][  T328]  ? __send_to_port (drivers/char/virtio_console.c:654)
[   19.466401][  T328]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380)
[   19.466405][  T328]  ? validate_chain (kernel/locking/lockdep.c:3817 (discriminator 2) kernel/locking/lockdep.c:3837 (discriminator 2) kernel/locking/lockdep.c:3892 (discriminator 2))
[   19.466410][  T328]  hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2))
[   19.466418][  T328]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   19.466419][  T328]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   19.466425][  T328]  ? hvc_write (drivers/tty/hvc/hvc_console.c:501)
[   19.466428][  T328]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   19.466431][  T328]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   19.466435][  T328]  console_emit_next_record (kernel/printk/printk.c:3183)
[   19.466439][  T328]  ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20)
[   19.466440][  T328]  ? 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))
[   19.466443][  T328]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   19.466445][  T328]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   19.466449][  T328]  console_flush_one_record (kernel/printk/printk.c:3268)
[   19.466453][  T328]  ? console_emit_next_record (kernel/printk/printk.c:3150)
[   19.466455][  T328]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   19.466460][  T328]  console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420)
[   19.466463][  T328]  ? console_flush_one_record (kernel/printk/printk.c:3316)
[   19.466464][  T328]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   19.466466][  T328]  ? lock_acquire (kernel/locking/lockdep.c:5913)
[   19.466470][  T328]  ? __down_trylock_console_sem (kernel/printk/printk.c:334)
[   19.466472][  T328]  ? vprintk_emit (kernel/printk/printk.c:2478)
[   19.466475][  T328]  vprintk_emit (kernel/printk/printk.c:2479)
[   19.466478][  T328]  ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126))
[   19.466480][  T328]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   19.466482][  T328]  ? 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))
[   19.466484][  T328]  ? find_held_lock (kernel/locking/lockdep.c:5360)
[   19.466488][  T328]  _printk (kernel/printk/printk.c:2504)
[   19.466492][  T328]  ? snapshot_read.cold (user.c:?)
[   19.466494][  T328]  ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4116 (discriminator 3) kernel/rcu/tree.c:4108 (discriminator 3))
[   19.466497][  T328]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380)
[   19.466499][  T328]  ? validate_chain (kernel/locking/lockdep.c:3817 (discriminator 2) kernel/locking/lockdep.c:3837 (discriminator 2) kernel/locking/lockdep.c:3892 (discriminator 2))
[   19.466502][  T328]  ? netdev_name (./include/linux/netdevice.h:5709 (discriminator 1))
[   19.466505][  T328]  ? __netdev_printk (net/core/dev.c:13148 (discriminator 2))
[   19.466508][  T328]  ? do_setlink.isra.0 (net/core/rtnetlink.c:3246)
[   19.466510][  T328]  netdev_info (net/core/dev.c:13195 (discriminator 3))
[   19.466513][  T328]  ? netdev_notice (net/core/dev.c:13194)
[   19.466515][  T328]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[   19.466518][  T328]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554)
[   19.466521][  T328]  ? mark_held_locks (kernel/locking/lockdep.c:4341)
[   19.466525][  T328]  ? do_setlink.isra.0 (net/core/rtnetlink.c:3246)
[   19.466527][  T328]  netif_change_name.cold (net/core/dev.c:1507 (discriminator 3))
[   19.466531][  T328]  ? 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))
[   19.466537][  T328]  ? netdev_adjacent_rename_links (net/core/dev.c:9598)
[   19.466540][  T328]  ? __kernel_text_address (kernel/extable.c:79)
[   19.466544][  T328]  ? write_profile (profile.c:?)
[   19.466548][  T328]  ? __asan_memset (mm/kasan/shadow.c:84 (discriminator 1))
[   19.466554][  T328]  do_setlink.isra.0 (net/core/rtnetlink.c:3246)
[   19.466559][  T328]  ? stack_trace_save (kernel/stacktrace.c:122 (discriminator 1))
[   19.466561][  T328]  ? rtnl_link_get_size (net/core/rtnetlink.c:747)
[   19.466562][  T328]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:388 kernel/rcu/update.c:380)
[   19.466564][  T328]  ? stack_depot_save_flags (lib/stackdepot.c:609 (discriminator 2) lib/stackdepot.c:676 (discriminator 2))
[   19.466568][  T328]  ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4116 (discriminator 3) kernel/rcu/tree.c:4108 (discriminator 3))
[   19.466570][  T328]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380)
[   19.466572][  T328]  ? validate_chain (kernel/locking/lockdep.c:3817 (discriminator 2) kernel/locking/lockdep.c:3837 (discriminator 2) kernel/locking/lockdep.c:3892 (discriminator 2))
[   19.466575][  T328]  ? kasan_save_stack (mm/kasan/common.c:58)
[   19.466578][  T328]  ? kasan_save_stack (mm/kasan/common.c:57)
[   19.466580][  T328]  ? kasan_save_track (mm/kasan/common.c:78)
[   19.466583][  T328]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   19.466585][  T328]  ? netlink_update_listeners (net/netlink/af_netlink.c:532)
[   19.466588][  T328]  ? ___sys_sendmsg (net/socket.c:2744 net/socket.c:2763)
[   19.466593][  T328]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2))
[   19.466595][  T328]  ? rtnl_newlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:366 net/core/rtnetlink.c:4214)
[   19.466597][  T328]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   19.466599][  T328]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   19.466601][  T328]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   19.466602][  T328]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   19.466604][  T328]  ? trace_contention_end (./include/trace/events/lock.h:121 (discriminator 22))
[   19.466607][  T328]  ? __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)
[   19.466610][  T328]  ? __mutex_lock (kernel/locking/mutex.c:656 (discriminator 1) kernel/locking/mutex.c:821 (discriminator 1))
[   19.466612][  T328]  ? rtnl_newlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:366 net/core/rtnetlink.c:4214)
[   19.466616][  T328]  ? ww_mutex_lock (kernel/locking/mutex.c:934)
[   19.466618][  T328]  ? nla_get_range_signed (lib/nlattr.c:270)
[   19.466624][  T328]  ? __rtnl_newlink (net/core/rtnetlink.c:4063)
[   19.466630][  T328]  rtnl_newlink (net/core/rtnetlink.c:4215)
[   19.466635][  T328]  ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558)
[   19.466637][  T328]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   19.466642][  T328]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2))
[   19.466644][  T328]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[   19.466646][  T328]  ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558)
[   19.466648][  T328]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554)
[   19.466652][  T328]  ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558)
[   19.466655][  T328]  rtnetlink_rcv_msg (net/core/rtnetlink.c:7132)
[   19.466658][  T328]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   19.466659][  T328]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   19.466664][  T328]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2))
[   19.466666][  T328]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[   19.466670][  T328]  netlink_rcv_skb (net/netlink/af_netlink.c:2556)
[   19.466672][  T328]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   19.466675][  T328]  ? netlink_ack (./include/linux/skbuff.h:2718)
[   19.466681][  T328]  ? 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))
[   19.466683][  T328]  ? 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))
[   19.466687][  T328]  netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[   19.466691][  T328]  ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[   19.466694][  T328]  ? __lock_acquire (kernel/locking/lockdep.c:5251 (discriminator 3))
[   19.466698][  T328]  netlink_sendmsg (net/netlink/af_netlink.c:1900)
[   19.466702][  T328]  ? netlink_unicast (./include/net/net_namespace.h:422 (discriminator 7))
[   19.466704][  T328]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554)
[   19.466707][  T328]  ? __might_fault (mm/memory.c:7482 (discriminator 5))
[   19.466711][  T328]  ? __might_fault (mm/memory.c:7482 (discriminator 5))
[   19.466715][  T328]  ____sys_sendmsg (net/socket.c:800 (discriminator 4) net/socket.c:815 (discriminator 4) net/socket.c:2713 (discriminator 4))
[   19.466717][  T328]  ? copy_msghdr_from_user (net/socket.c:2650)
[   19.466720][  T328]  ? get_timestamp.constprop.0 (./include/linux/netdevice.h:5399)
[   19.466721][  T328]  ? move_addr_to_kernel (./include/linux/audit.h:354 (discriminator 1))
[   19.466729][  T328]  ___sys_sendmsg (net/socket.c:2767)
[   19.466732][  T328]  ? copy_msghdr_from_user (net/socket.c:2619)
[   19.466749][  T328]  __sys_sendmsg (net/socket.c:2799)
[   19.466753][  T328]  ? __sys_sendmsg_sock (net/socket.c:2780)
[   19.466759][  T328]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   19.466763][  T328]  do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84)
[   19.466765][  T328]  ? exc_page_fault (arch/x86/mm/fault.c:1489 (discriminator 3) arch/x86/mm/fault.c:1536 (discriminator 3))
[   19.466769][  T328]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[   19.466771][  T328] RIP: 0033:0x7f672aea954e
[   19.466775][  T328] 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
[   19.466777][  T328] RSP: 002b:00007ffc8b1c9e50 EFLAGS: 00000202 ORIG_RAX: 000000000000002e
[   19.466779][  T328] RAX: ffffffffffffffda RBX: 0000000000000003 RCX: 00007f672aea954e
[   19.466780][  T328] RDX: 0000000000000000 RSI: 00007ffc8b1c9f00 RDI: 0000000000000005
[   19.466781][  T328] RBP: 00007ffc8b1c9e60 R08: 0000000000000000 R09: 0000000000000000
[   19.466782][  T328] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a918d61
[   19.466783][  T328] R13: 00000000004a1620 R14: 0000000000000000 R15: 00007ffc8b1ca5d0
| [   20.503843][  T337] softirqs last disabled at (20334): netif_change_name (./include/linux/spinlock.h:353 ./include/linux/seqlock.h:908 net/core/dev.c:1499)
| [   20.503845][  T337] Preemption disabled at:
| [   20.503846][  T337] vprintk_emit (kernel/printk/printk.c:2471)
| [   20.503855][  T337] Tainted: [W]=WARN
[   20.503856][  T337] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   20.503858][  T337] Call Trace:
[   20.503859][  T337]  <TASK>
[   20.503861][  T337]  dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120)
[   20.503866][  T337]  ? vprintk_emit (kernel/printk/printk.c:2471)
[   20.503868][  T337]  __might_resched.cold (kernel/sched/core.c:9234)
[   20.503872][  T337]  ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3))
[   20.503876][  T337]  ? __kmalloc_noprof (./include/linux/sched/mm.h:317 mm/slub.c:4636 mm/slub.c:4974 mm/slub.c:5413 mm/slub.c:5439)
[   20.503881][  T337]  __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))
[   20.503883][  T337]  ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[   20.503890][  T337]  ? 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)
[   20.503893][  T337]  alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[   20.503896][  T337]  put_chars (drivers/char/virtio_console.c:1176)
[   20.503899][  T337]  ? __send_to_port (drivers/char/virtio_console.c:654)
[   20.503903][  T337]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380)
[   20.503907][  T337]  ? validate_chain (kernel/locking/lockdep.c:3817 (discriminator 2) kernel/locking/lockdep.c:3837 (discriminator 2) kernel/locking/lockdep.c:3892 (discriminator 2))
[   20.503912][  T337]  hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2))
[   20.503915][  T337]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   20.503917][  T337]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   20.503922][  T337]  ? hvc_write (drivers/tty/hvc/hvc_console.c:501)
[   20.503925][  T337]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   20.503928][  T337]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   20.503932][  T337]  console_emit_next_record (kernel/printk/printk.c:3183)
[   20.503936][  T337]  ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20)
[   20.503937][  T337]  ? 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))
[   20.503940][  T337]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   20.503942][  T337]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   20.503946][  T337]  console_flush_one_record (kernel/printk/printk.c:3268)
[   20.503950][  T337]  ? console_emit_next_record (kernel/printk/printk.c:3150)
[   20.503951][  T337]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   20.503957][  T337]  console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420)
[   20.503959][  T337]  ? console_flush_one_record (kernel/printk/printk.c:3316)
[   20.503961][  T337]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   20.503963][  T337]  ? lock_acquire (kernel/locking/lockdep.c:5913)
[   20.503967][  T337]  ? __down_trylock_console_sem (kernel/printk/printk.c:334)
[   20.503969][  T337]  ? vprintk_emit (kernel/printk/printk.c:2478)
[   20.503971][  T337]  vprintk_emit (kernel/printk/printk.c:2479)
[   20.503975][  T337]  ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126))
[   20.503977][  T337]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   20.503979][  T337]  ? 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))
[   20.503981][  T337]  ? find_held_lock (kernel/locking/lockdep.c:5360)
[   20.503985][  T337]  _printk (kernel/printk/printk.c:2504)
[   20.503989][  T337]  ? snapshot_read.cold (user.c:?)
[   20.503990][  T337]  ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4116 (discriminator 3) kernel/rcu/tree.c:4108 (discriminator 3))
[   20.503993][  T337]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380)
[   20.503995][  T337]  ? validate_chain (kernel/locking/lockdep.c:3817 (discriminator 2) kernel/locking/lockdep.c:3837 (discriminator 2) kernel/locking/lockdep.c:3892 (discriminator 2))
[   20.503998][  T337]  ? netdev_name (./include/linux/netdevice.h:5709 (discriminator 1))
[   20.504001][  T337]  ? __netdev_printk (net/core/dev.c:13148 (discriminator 2))
[   20.504004][  T337]  ? do_setlink.isra.0 (net/core/rtnetlink.c:3246)
[   20.504006][  T337]  netdev_info (net/core/dev.c:13195 (discriminator 3))
[   20.504009][  T337]  ? netdev_notice (net/core/dev.c:13194)
[   20.504012][  T337]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[   20.504015][  T337]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554)
[   20.504018][  T337]  ? mark_held_locks (kernel/locking/lockdep.c:4341)
[   20.504021][  T337]  ? do_setlink.isra.0 (net/core/rtnetlink.c:3246)
[   20.504024][  T337]  netif_change_name.cold (net/core/dev.c:1507 (discriminator 3))
[   20.504027][  T337]  ? 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))
[   20.504033][  T337]  ? netdev_adjacent_rename_links (net/core/dev.c:9598)
[   20.504036][  T337]  ? __kernel_text_address (kernel/extable.c:79)
[   20.504039][  T337]  ? write_profile (profile.c:?)
[   20.504043][  T337]  ? __asan_memset (mm/kasan/shadow.c:84 (discriminator 1))
[   20.504048][  T337]  do_setlink.isra.0 (net/core/rtnetlink.c:3246)
[   20.504055][  T337]  ? stack_trace_save (kernel/stacktrace.c:122 (discriminator 1))
[   20.504057][  T337]  ? rtnl_link_get_size (net/core/rtnetlink.c:747)
[   20.504059][  T337]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:388 kernel/rcu/update.c:380)
[   20.504061][  T337]  ? stack_depot_save_flags (lib/stackdepot.c:609 (discriminator 2) lib/stackdepot.c:676 (discriminator 2))
[   20.504065][  T337]  ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4116 (discriminator 3) kernel/rcu/tree.c:4108 (discriminator 3))
[   20.504067][  T337]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380)
[   20.504069][  T337]  ? validate_chain (kernel/locking/lockdep.c:3817 (discriminator 2) kernel/locking/lockdep.c:3837 (discriminator 2) kernel/locking/lockdep.c:3892 (discriminator 2))
[   20.504072][  T337]  ? kasan_save_stack (mm/kasan/common.c:58)
[   20.504074][  T337]  ? kasan_save_stack (mm/kasan/common.c:57)
[   20.504076][  T337]  ? kasan_save_track (mm/kasan/common.c:78)
[   20.504079][  T337]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   20.504081][  T337]  ? netlink_update_listeners (net/netlink/af_netlink.c:532)
[   20.504084][  T337]  ? ___sys_sendmsg (net/socket.c:2744 net/socket.c:2763)
[   20.504089][  T337]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2))
[   20.504091][  T337]  ? rtnl_newlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:366 net/core/rtnetlink.c:4214)
[   20.504094][  T337]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   20.504096][  T337]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   20.504097][  T337]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   20.504099][  T337]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   20.504101][  T337]  ? trace_contention_end (./include/trace/events/lock.h:121 (discriminator 22))
[   20.504103][  T337]  ? __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)
[   20.504106][  T337]  ? __mutex_lock (kernel/locking/mutex.c:656 (discriminator 1) kernel/locking/mutex.c:821 (discriminator 1))
[   20.504109][  T337]  ? rtnl_newlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:366 net/core/rtnetlink.c:4214)
[   20.504112][  T337]  ? ww_mutex_lock (kernel/locking/mutex.c:934)
[   20.504114][  T337]  ? nla_get_range_signed (lib/nlattr.c:270)
[   20.504120][  T337]  ? __rtnl_newlink (net/core/rtnetlink.c:4063)
[   20.504126][  T337]  rtnl_newlink (net/core/rtnetlink.c:4215)
[   20.504131][  T337]  ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558)
[   20.504133][  T337]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   20.504138][  T337]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2))
[   20.504140][  T337]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[   20.504143][  T337]  ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558)
[   20.504144][  T337]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554)
[   20.504149][  T337]  ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558)
[   20.504151][  T337]  rtnetlink_rcv_msg (net/core/rtnetlink.c:7132)
[   20.504154][  T337]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   20.504155][  T337]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   20.504160][  T337]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2))
[   20.504162][  T337]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[   20.504166][  T337]  netlink_rcv_skb (net/netlink/af_netlink.c:2556)
[   20.504168][  T337]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   20.504171][  T337]  ? netlink_ack (./include/linux/skbuff.h:2718)
[   20.504177][  T337]  ? 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))
[   20.504179][  T337]  ? 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))
[   20.504183][  T337]  netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[   20.504187][  T337]  ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[   20.504190][  T337]  ? __lock_acquire (kernel/locking/lockdep.c:5251 (discriminator 3))
[   20.504194][  T337]  netlink_sendmsg (net/netlink/af_netlink.c:1900)
[   20.504198][  T337]  ? netlink_unicast (./include/net/net_namespace.h:422 (discriminator 7))
[   20.504199][  T337]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554)
[   20.504203][  T337]  ? __might_fault (mm/memory.c:7482 (discriminator 5))
[   20.504206][  T337]  ? __might_fault (mm/memory.c:7482 (discriminator 5))
[   20.504210][  T337]  ____sys_sendmsg (net/socket.c:800 (discriminator 4) net/socket.c:815 (discriminator 4) net/socket.c:2713 (discriminator 4))
[   20.504213][  T337]  ? copy_msghdr_from_user (net/socket.c:2650)
[   20.504215][  T337]  ? get_timestamp.constprop.0 (./include/linux/netdevice.h:5399)
[   20.504217][  T337]  ? move_addr_to_kernel (./include/linux/audit.h:354 (discriminator 1))
[   20.504224][  T337]  ___sys_sendmsg (net/socket.c:2767)
[   20.504227][  T337]  ? copy_msghdr_from_user (net/socket.c:2619)
[   20.504244][  T337]  __sys_sendmsg (net/socket.c:2799)
[   20.504247][  T337]  ? __sys_sendmsg_sock (net/socket.c:2780)
[   20.504254][  T337]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   20.504257][  T337]  do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84)
[   20.504260][  T337]  ? exc_page_fault (arch/x86/mm/fault.c:1489 (discriminator 3) arch/x86/mm/fault.c:1536 (discriminator 3))
[   20.504263][  T337]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[   20.504265][  T337] RIP: 0033:0x7f264965d54e
[   20.504269][  T337] 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
[   20.504271][  T337] RSP: 002b:00007fffc6ed8ad0 EFLAGS: 00000202 ORIG_RAX: 000000000000002e
[   20.504274][  T337] RAX: ffffffffffffffda RBX: 0000000000000003 RCX: 00007f264965d54e
[   20.504275][  T337] RDX: 0000000000000000 RSI: 00007fffc6ed8b80 RDI: 0000000000000005
[   20.504276][  T337] RBP: 00007fffc6ed8ae0 R08: 0000000000000000 R09: 0000000000000000
[   20.504277][  T337] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a918d62
[   20.504278][  T337] R13: 00000000004a1620 R14: 0000000000000000 R15: 00007fffc6ed9250
| [   21.558120][  T345] softirqs last disabled at (26465): __irq_exit_rcu (kernel/softirq.c:679 kernel/softirq.c:519 kernel/softirq.c:767)
| [   21.558123][  T345] Preemption disabled at:
| [   21.558123][  T345] vprintk_emit (kernel/printk/printk.c:2471)
| [   21.558132][  T345] Tainted: [W]=WARN
[   21.558133][  T345] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   21.558135][  T345] Call Trace:
[   21.558137][  T345]  <TASK>
[   21.558138][  T345]  dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120)
[   21.558144][  T345]  ? vprintk_emit (kernel/printk/printk.c:2471)
[   21.558145][  T345]  __might_resched.cold (kernel/sched/core.c:9234)
[   21.558150][  T345]  ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3))
[   21.558153][  T345]  ? __kmalloc_noprof (./include/linux/sched/mm.h:317 mm/slub.c:4636 mm/slub.c:4974 mm/slub.c:5413 mm/slub.c:5439)
[   21.558159][  T345]  __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))
[   21.558161][  T345]  ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[   21.558167][  T345]  ? 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)
[   21.558170][  T345]  alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[   21.558174][  T345]  put_chars (drivers/char/virtio_console.c:1176)
[   21.558177][  T345]  ? __send_to_port (drivers/char/virtio_console.c:654)
[   21.558180][  T345]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380)
[   21.558184][  T345]  ? validate_chain (kernel/locking/lockdep.c:3817 (discriminator 2) kernel/locking/lockdep.c:3837 (discriminator 2) kernel/locking/lockdep.c:3892 (discriminator 2))
[   21.558189][  T345]  hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2))
[   21.558193][  T345]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   21.558194][  T345]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   21.558199][  T345]  ? hvc_write (drivers/tty/hvc/hvc_console.c:501)
[   21.558203][  T345]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   21.558206][  T345]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   21.558210][  T345]  console_emit_next_record (kernel/printk/printk.c:3183)
[   21.558214][  T345]  ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20)
[   21.558215][  T345]  ? 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))
[   21.558218][  T345]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   21.558220][  T345]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   21.558224][  T345]  console_flush_one_record (kernel/printk/printk.c:3268)
[   21.558228][  T345]  ? console_emit_next_record (kernel/printk/printk.c:3150)
[   21.558229][  T345]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   21.558235][  T345]  console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420)
[   21.558237][  T345]  ? console_flush_one_record (kernel/printk/printk.c:3316)
[   21.558238][  T345]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   21.558240][  T345]  ? lock_acquire (kernel/locking/lockdep.c:5913)
[   21.558244][  T345]  ? __down_trylock_console_sem (kernel/printk/printk.c:334)
[   21.558246][  T345]  ? vprintk_emit (kernel/printk/printk.c:2478)
[   21.558249][  T345]  vprintk_emit (kernel/printk/printk.c:2479)
[   21.558253][  T345]  ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126))
[   21.558255][  T345]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   21.558257][  T345]  ? 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))
[   21.558259][  T345]  ? find_held_lock (kernel/locking/lockdep.c:5360)
[   21.558263][  T345]  _printk (kernel/printk/printk.c:2504)
[   21.558267][  T345]  ? snapshot_read.cold (user.c:?)
[   21.558268][  T345]  ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4116 (discriminator 3) kernel/rcu/tree.c:4108 (discriminator 3))
[   21.558271][  T345]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380)
[   21.558273][  T345]  ? validate_chain (kernel/locking/lockdep.c:3817 (discriminator 2) kernel/locking/lockdep.c:3837 (discriminator 2) kernel/locking/lockdep.c:3892 (discriminator 2))
[   21.558275][  T345]  ? netdev_name (./include/linux/netdevice.h:5709 (discriminator 1))
[   21.558279][  T345]  ? __netdev_printk (net/core/dev.c:13148 (discriminator 2))
[   21.558281][  T345]  ? do_setlink.isra.0 (net/core/rtnetlink.c:3246)
[   21.558284][  T345]  netdev_info (net/core/dev.c:13195 (discriminator 3))
[   21.558286][  T345]  ? netdev_notice (net/core/dev.c:13194)
[   21.558289][  T345]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[   21.558292][  T345]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554)
[   21.558295][  T345]  ? mark_held_locks (kernel/locking/lockdep.c:4341)
[   21.558299][  T345]  ? do_setlink.isra.0 (net/core/rtnetlink.c:3246)
[   21.558301][  T345]  netif_change_name.cold (net/core/dev.c:1507 (discriminator 3))
[   21.558304][  T345]  ? 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))
[   21.558310][  T345]  ? netdev_adjacent_rename_links (net/core/dev.c:9598)
[   21.558314][  T345]  ? __kernel_text_address (kernel/extable.c:79)
[   21.558316][  T345]  ? write_profile (profile.c:?)
[   21.558320][  T345]  ? __asan_memset (mm/kasan/shadow.c:84 (discriminator 1))
[   21.558326][  T345]  do_setlink.isra.0 (net/core/rtnetlink.c:3246)
[   21.558330][  T345]  ? stack_trace_save (kernel/stacktrace.c:122 (discriminator 1))
[   21.558333][  T345]  ? rtnl_link_get_size (net/core/rtnetlink.c:747)
[   21.558334][  T345]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:388 kernel/rcu/update.c:380)
[   21.558336][  T345]  ? stack_depot_save_flags (lib/stackdepot.c:609 (discriminator 2) lib/stackdepot.c:676 (discriminator 2))
[   21.558340][  T345]  ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4116 (discriminator 3) kernel/rcu/tree.c:4108 (discriminator 3))
[   21.558342][  T345]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380)
[   21.558344][  T345]  ? validate_chain (kernel/locking/lockdep.c:3817 (discriminator 2) kernel/locking/lockdep.c:3837 (discriminator 2) kernel/locking/lockdep.c:3892 (discriminator 2))
[   21.558347][  T345]  ? kasan_save_stack (mm/kasan/common.c:58)
[   21.558349][  T345]  ? kasan_save_stack (mm/kasan/common.c:57)
[   21.558351][  T345]  ? kasan_save_track (mm/kasan/common.c:78)
[   21.558354][  T345]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   21.558356][  T345]  ? netlink_update_listeners (net/netlink/af_netlink.c:532)
[   21.558359][  T345]  ? ___sys_sendmsg (net/socket.c:2744 net/socket.c:2763)
[   21.558364][  T345]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2))
[   21.558366][  T345]  ? rtnl_newlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:366 net/core/rtnetlink.c:4214)
[   21.558369][  T345]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   21.558371][  T345]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   21.558372][  T345]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   21.558374][  T345]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   21.558376][  T345]  ? trace_contention_end (./include/trace/events/lock.h:121 (discriminator 22))
[   21.558378][  T345]  ? __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)
[   21.558382][  T345]  ? __mutex_lock (kernel/locking/mutex.c:656 (discriminator 1) kernel/locking/mutex.c:821 (discriminator 1))
[   21.558384][  T345]  ? rtnl_newlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:366 net/core/rtnetlink.c:4214)
[   21.558387][  T345]  ? ww_mutex_lock (kernel/locking/mutex.c:934)
[   21.558389][  T345]  ? nla_get_range_signed (lib/nlattr.c:270)
[   21.558396][  T345]  ? __rtnl_newlink (net/core/rtnetlink.c:4063)
[   21.558401][  T345]  rtnl_newlink (net/core/rtnetlink.c:4215)
[   21.558407][  T345]  ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558)
[   21.558409][  T345]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   21.558413][  T345]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2))
[   21.558416][  T345]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[   21.558418][  T345]  ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558)
[   21.558423][  T345]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554)
[   21.558427][  T345]  ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558)
[   21.558429][  T345]  rtnetlink_rcv_msg (net/core/rtnetlink.c:7132)
[   21.558432][  T345]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   21.558434][  T345]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   21.558439][  T345]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2))
[   21.558441][  T345]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[   21.558444][  T345]  netlink_rcv_skb (net/netlink/af_netlink.c:2556)
[   21.558446][  T345]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   21.558449][  T345]  ? netlink_ack (./include/linux/skbuff.h:2718)
[   21.558455][  T345]  ? 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))
[   21.558457][  T345]  ? 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))
[   21.558461][  T345]  netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[   21.558465][  T345]  ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[   21.558468][  T345]  ? __lock_acquire (kernel/locking/lockdep.c:5251 (discriminator 3))
[   21.558472][  T345]  netlink_sendmsg (net/netlink/af_netlink.c:1900)
[   21.558476][  T345]  ? netlink_unicast (./include/net/net_namespace.h:422 (discriminator 7))
[   21.558477][  T345]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554)
[   21.558480][  T345]  ? __might_fault (mm/memory.c:7482 (discriminator 5))
[   21.558484][  T345]  ? __might_fault (mm/memory.c:7482 (discriminator 5))
[   21.558488][  T345]  ____sys_sendmsg (net/socket.c:800 (discriminator 4) net/socket.c:815 (discriminator 4) net/socket.c:2713 (discriminator 4))
[   21.558490][  T345]  ? copy_msghdr_from_user (net/socket.c:2650)
[   21.558492][  T345]  ? get_timestamp.constprop.0 (./include/linux/netdevice.h:5399)
[   21.558494][  T345]  ? move_addr_to_kernel (./include/linux/audit.h:354 (discriminator 1))
[   21.558502][  T345]  ___sys_sendmsg (net/socket.c:2767)
[   21.558505][  T345]  ? copy_msghdr_from_user (net/socket.c:2619)
[   21.558521][  T345]  __sys_sendmsg (net/socket.c:2799)
[   21.558524][  T345]  ? __sys_sendmsg_sock (net/socket.c:2780)
[   21.558531][  T345]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   21.558534][  T345]  do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84)
[   21.558536][  T345]  ? exc_page_fault (arch/x86/mm/fault.c:1489 (discriminator 3) arch/x86/mm/fault.c:1536 (discriminator 3))
[   21.558540][  T345]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[   21.558543][  T345] RIP: 0033:0x7faf4cd8454e
[   21.558548][  T345] 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
[   21.558550][  T345] RSP: 002b:00007ffd61168ad0 EFLAGS: 00000202 ORIG_RAX: 000000000000002e
[   21.558552][  T345] RAX: ffffffffffffffda RBX: 0000000000000003 RCX: 00007faf4cd8454e
[   21.558554][  T345] RDX: 0000000000000000 RSI: 00007ffd61168b80 RDI: 0000000000000005
[   21.558554][  T345] RBP: 00007ffd61168ae0 R08: 0000000000000000 R09: 0000000000000000
[   21.558555][  T345] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a918d63
[   21.558556][  T345] R13: 00000000004a1620 R14: 0000000000000000 R15: 00007ffd61169250
| [   22.639200][  T355] softirqs last disabled at (26632): netif_change_name (./include/linux/spinlock.h:353 ./include/linux/seqlock.h:908 net/core/dev.c:1499)
| [   22.639203][  T355] Preemption disabled at:
| [   22.639204][  T355] vprintk_emit (kernel/printk/printk.c:2471)
| [   22.639213][  T355] Tainted: [W]=WARN
[   22.639214][  T355] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   22.639216][  T355] Call Trace:
[   22.639217][  T355]  <TASK>
[   22.639219][  T355]  dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120)
[   22.639224][  T355]  ? vprintk_emit (kernel/printk/printk.c:2471)
[   22.639226][  T355]  __might_resched.cold (kernel/sched/core.c:9234)
[   22.639231][  T355]  ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3))
[   22.639234][  T355]  ? __kmalloc_noprof (./include/linux/sched/mm.h:317 mm/slub.c:4636 mm/slub.c:4974 mm/slub.c:5413 mm/slub.c:5439)
[   22.639239][  T355]  __kmalloc_noprof (./include/linux/sched/mm.h:322 (discriminator 2) mm/slub.c:4636 (discriminator 2) mm/slub.c:4974 (discriminator 2) mm/slub.c:5413 (discriminator 2) mm/slub.c:5439 (discriminator 2))
[   22.639242][  T355]  ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[   22.639249][  T355]  ? do_raw_spin_unlock (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:32 ./include/asm-generic/qspinlock.h:58 kernel/locking/spinlock_debug.c:101 kernel/locking/spinlock_debug.c:141)
[   22.639252][  T355]  alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[   22.639255][  T355]  put_chars (drivers/char/virtio_console.c:1176)
[   22.639258][  T355]  ? __send_to_port (drivers/char/virtio_console.c:654)
[   22.639262][  T355]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380)
[   22.639266][  T355]  ? validate_chain (kernel/locking/lockdep.c:3817 (discriminator 2) kernel/locking/lockdep.c:3837 (discriminator 2) kernel/locking/lockdep.c:3892 (discriminator 2))
[   22.639270][  T355]  hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2))
[   22.639274][  T355]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   22.639276][  T355]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   22.639281][  T355]  ? hvc_write (drivers/tty/hvc/hvc_console.c:501)
[   22.639285][  T355]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   22.639288][  T355]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   22.639292][  T355]  console_emit_next_record (kernel/printk/printk.c:3183)
[   22.639296][  T355]  ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20)
[   22.639297][  T355]  ? console_flush_one_record (./include/linux/rcupdate.h:314 (discriminator 2) ./include/linux/srcu.h:439 (discriminator 2) kernel/printk/printk.c:291 (discriminator 2) kernel/printk/printk.c:3246 (discriminator 2))
[   22.639300][  T355]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   22.639302][  T355]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   22.639306][  T355]  console_flush_one_record (kernel/printk/printk.c:3268)
[   22.639310][  T355]  ? console_emit_next_record (kernel/printk/printk.c:3150)
[   22.639311][  T355]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   22.639317][  T355]  console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420)
[   22.639319][  T355]  ? console_flush_one_record (kernel/printk/printk.c:3316)
[   22.639321][  T355]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   22.639322][  T355]  ? lock_acquire (kernel/locking/lockdep.c:5913)
[   22.639327][  T355]  ? __down_trylock_console_sem (kernel/printk/printk.c:334)
[   22.639329][  T355]  ? vprintk_emit (kernel/printk/printk.c:2478)
[   22.639332][  T355]  vprintk_emit (kernel/printk/printk.c:2479)
[   22.639335][  T355]  ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126))
[   22.639337][  T355]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   22.639339][  T355]  ? save_trace (kernel/locking/lockdep.c:154 (discriminator 6) kernel/locking/lockdep.c:150 (discriminator 6) kernel/locking/lockdep.c:202 (discriminator 6) kernel/locking/lockdep.c:577 (discriminator 6))
[   22.639341][  T355]  ? find_held_lock (kernel/locking/lockdep.c:5360)
[   22.639345][  T355]  _printk (kernel/printk/printk.c:2504)
[   22.639348][  T355]  ? snapshot_read.cold (user.c:?)
[   22.639350][  T355]  ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4116 (discriminator 3) kernel/rcu/tree.c:4108 (discriminator 3))
[   22.639353][  T355]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380)
[   22.639355][  T355]  ? validate_chain (kernel/locking/lockdep.c:3817 (discriminator 2) kernel/locking/lockdep.c:3837 (discriminator 2) kernel/locking/lockdep.c:3892 (discriminator 2))
[   22.639358][  T355]  ? netdev_name (./include/linux/netdevice.h:5709 (discriminator 1))
[   22.639361][  T355]  ? __netdev_printk (net/core/dev.c:13148 (discriminator 2))
[   22.639364][  T355]  ? do_setlink.isra.0 (net/core/rtnetlink.c:3246)
[   22.639366][  T355]  netdev_info (net/core/dev.c:13195 (discriminator 3))
[   22.639369][  T355]  ? netdev_notice (net/core/dev.c:13194)
[   22.639372][  T355]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[   22.639375][  T355]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554)
[   22.639378][  T355]  ? mark_held_locks (kernel/locking/lockdep.c:4341)
[   22.639381][  T355]  ? do_setlink.isra.0 (net/core/rtnetlink.c:3246)
[   22.639384][  T355]  netif_change_name.cold (net/core/dev.c:1507 (discriminator 3))
[   22.639387][  T355]  ? is_bpf_text_address (./include/linux/rcupdate.h:319 (discriminator 2) ./include/linux/rcupdate.h:880 (discriminator 2) kernel/bpf/core.c:751 (discriminator 2))
[   22.639394][  T355]  ? netdev_adjacent_rename_links (net/core/dev.c:9598)
[   22.639396][  T355]  ? __kernel_text_address (kernel/extable.c:79)
[   22.639399][  T355]  ? write_profile (profile.c:?)
[   22.639404][  T355]  ? __asan_memset (mm/kasan/shadow.c:84 (discriminator 1))
[   22.639409][  T355]  do_setlink.isra.0 (net/core/rtnetlink.c:3246)
[   22.639414][  T355]  ? stack_trace_save (kernel/stacktrace.c:122 (discriminator 1))
[   22.639416][  T355]  ? rtnl_link_get_size (net/core/rtnetlink.c:747)
[   22.639417][  T355]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:388 kernel/rcu/update.c:380)
[   22.639419][  T355]  ? stack_depot_save_flags (lib/stackdepot.c:609 (discriminator 2) lib/stackdepot.c:676 (discriminator 2))
[   22.639427][  T355]  ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4116 (discriminator 3) kernel/rcu/tree.c:4108 (discriminator 3))
[   22.639429][  T355]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380)
[   22.639431][  T355]  ? validate_chain (kernel/locking/lockdep.c:3817 (discriminator 2) kernel/locking/lockdep.c:3837 (discriminator 2) kernel/locking/lockdep.c:3892 (discriminator 2))
[   22.639434][  T355]  ? kasan_save_stack (mm/kasan/common.c:58)
[   22.639437][  T355]  ? kasan_save_stack (mm/kasan/common.c:57)
[   22.639439][  T355]  ? kasan_save_track (mm/kasan/common.c:78)
[   22.639442][  T355]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   22.639444][  T355]  ? netlink_update_listeners (net/netlink/af_netlink.c:532)
[   22.639447][  T355]  ? ___sys_sendmsg (net/socket.c:2744 net/socket.c:2763)
[   22.639452][  T355]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2))
[   22.639454][  T355]  ? rtnl_newlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:366 net/core/rtnetlink.c:4214)
[   22.639456][  T355]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   22.639458][  T355]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   22.639460][  T355]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   22.639462][  T355]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   22.639464][  T355]  ? trace_contention_end (./include/trace/events/lock.h:121 (discriminator 22))
[   22.639466][  T355]  ? __mutex_lock (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:3188 kernel/locking/mutex.c:89 kernel/locking/mutex.c:134 kernel/locking/mutex.c:649 kernel/locking/mutex.c:821)
[   22.639470][  T355]  ? __mutex_lock (kernel/locking/mutex.c:656 (discriminator 1) kernel/locking/mutex.c:821 (discriminator 1))
[   22.639472][  T355]  ? rtnl_newlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:366 net/core/rtnetlink.c:4214)
[   22.639475][  T355]  ? ww_mutex_lock (kernel/locking/mutex.c:934)
[   22.639477][  T355]  ? nla_get_range_signed (lib/nlattr.c:270)
[   22.639483][  T355]  ? __rtnl_newlink (net/core/rtnetlink.c:4063)
[   22.639489][  T355]  rtnl_newlink (net/core/rtnetlink.c:4215)
[   22.639494][  T355]  ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558)
[   22.639496][  T355]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   22.639501][  T355]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2))
[   22.639503][  T355]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[   22.639505][  T355]  ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558)
[   22.639507][  T355]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554)
[   22.639511][  T355]  ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558)
[   22.639513][  T355]  rtnetlink_rcv_msg (net/core/rtnetlink.c:7132)
[   22.639516][  T355]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   22.639518][  T355]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   22.639523][  T355]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2))
[   22.639525][  T355]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[   22.639529][  T355]  netlink_rcv_skb (net/netlink/af_netlink.c:2556)
[   22.639531][  T355]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   22.639534][  T355]  ? netlink_ack (./include/linux/skbuff.h:2718)
[   22.639540][  T355]  ? netlink_deliver_tap (./include/linux/rcupdate.h:319 (discriminator 2) ./include/linux/rcupdate.h:880 (discriminator 2) ./include/net/netns/generic.h:48 (discriminator 2) net/netlink/af_netlink.c:334 (discriminator 2))
[   22.639542][  T355]  ? netlink_deliver_tap (./include/linux/rcupdate.h:319 (discriminator 2) ./include/linux/rcupdate.h:880 (discriminator 2) net/netlink/af_netlink.c:341 (discriminator 2))
[   22.639547][  T355]  netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[   22.639551][  T355]  ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[   22.639554][  T355]  ? __lock_acquire (kernel/locking/lockdep.c:5251 (discriminator 3))
[   22.639558][  T355]  netlink_sendmsg (net/netlink/af_netlink.c:1900)
[   22.639562][  T355]  ? netlink_unicast (./include/net/net_namespace.h:422 (discriminator 7))
[   22.639563][  T355]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554)
[   22.639567][  T355]  ? __might_fault (mm/memory.c:7482 (discriminator 5))
[   22.639571][  T355]  ? __might_fault (mm/memory.c:7482 (discriminator 5))
[   22.639575][  T355]  ____sys_sendmsg (net/socket.c:800 (discriminator 4) net/socket.c:815 (discriminator 4) net/socket.c:2713 (discriminator 4))
[   22.639577][  T355]  ? copy_msghdr_from_user (net/socket.c:2650)
[   22.639580][  T355]  ? get_timestamp.constprop.0 (./include/linux/netdevice.h:5399)
[   22.639581][  T355]  ? move_addr_to_kernel (./include/linux/audit.h:354 (discriminator 1))
[   22.639589][  T355]  ___sys_sendmsg (net/socket.c:2767)
[   22.639592][  T355]  ? copy_msghdr_from_user (net/socket.c:2619)
[   22.639609][  T355]  __sys_sendmsg (net/socket.c:2799)
[   22.639612][  T355]  ? __sys_sendmsg_sock (net/socket.c:2780)
[   22.639618][  T355]  ? 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)
[   22.639622][  T355]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   22.639625][  T355]  do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84)
[   22.639627][  T355]  ? exc_page_fault (arch/x86/mm/fault.c:1489 (discriminator 3) arch/x86/mm/fault.c:1536 (discriminator 3))
[   22.639631][  T355]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[   22.639633][  T355] RIP: 0033:0x7f9607dbf54e
[   22.639637][  T355] Code: 4d 89 d8 e8 b4 bd 00 00 4c 8b 5d f8 41 8b 93 08 03 00 00 59 5e 48 83 f8 fc 74 11 c9 c3 0f 1f 80 00 00 00 00 48 8b 45 10 0f 05 <c9> c3 83 e2 39 83 fa 08 75 e7 e8 03 ff ff ff 0f 1f 00 f3 0f 1e fa
All code
========
   0:	4d 89 d8             	mov    %r11,%r8
   3:	e8 b4 bd 00 00       	call   0xbdbc
   8:	4c 8b 5d f8          	mov    -0x8(%rbp),%r11
   c:	41 8b 93 08 03 00 00 	mov    0x308(%r11),%edx
  13:	59                   	pop    %rcx
  14:	5e                   	pop    %rsi
  15:	48 83 f8 fc          	cmp    $0xfffffffffffffffc,%rax
  19:	74 11                	je     0x2c
  1b:	c9                   	leave
  1c:	c3                   	ret
  1d:	0f 1f 80 00 00 00 00 	nopl   0x0(%rax)
  24:	48 8b 45 10          	mov    0x10(%rbp),%rax
  28:	0f 05                	syscall
  2a:*	c9                   	leave		<-- trapping instruction
  2b:	c3                   	ret
  2c:	83 e2 39             	and    $0x39,%edx
  2f:	83 fa 08             	cmp    $0x8,%edx
  32:	75 e7                	jne    0x1b
  34:	e8 03 ff ff ff       	call   0xffffffffffffff3c
  39:	0f 1f 00             	nopl   (%rax)
  3c:	f3 0f 1e fa          	endbr64

Code starting with the faulting instruction
===========================================
   0:	c9                   	leave
   1:	c3                   	ret
   2:	83 e2 39             	and    $0x39,%edx
   5:	83 fa 08             	cmp    $0x8,%edx
   8:	75 e7                	jne    0xfffffffffffffff1
   a:	e8 03 ff ff ff       	call   0xffffffffffffff12
   f:	0f 1f 00             	nopl   (%rax)
  12:	f3 0f 1e fa          	endbr64
[   22.639638][  T355] RSP: 002b:00007ffe01181ef0 EFLAGS: 00000202 ORIG_RAX: 000000000000002e
[   22.639641][  T355] RAX: ffffffffffffffda RBX: 0000000000000003 RCX: 00007f9607dbf54e
[   22.639642][  T355] RDX: 0000000000000000 RSI: 00007ffe01181fa0 RDI: 0000000000000005
[   22.639643][  T355] RBP: 00007ffe01181f00 R08: 0000000000000000 R09: 0000000000000000
[   22.639644][  T355] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a918d64
[   22.639645][  T355] R13: 00000000004a1620 R14: 0000000000000000 R15: 00007ffe01182670
| [   23.755698][  T364] softirqs last disabled at (20134): netif_change_name (./include/linux/spinlock.h:353 ./include/linux/seqlock.h:908 net/core/dev.c:1499)
| [   23.755700][  T364] Preemption disabled at:
| [   23.755701][  T364] vprintk_emit (kernel/printk/printk.c:2471)
| [   23.755710][  T364] Tainted: [W]=WARN
[   23.755711][  T364] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   23.755713][  T364] Call Trace:
[   23.755714][  T364]  <TASK>
[   23.755716][  T364]  dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120)
[   23.755721][  T364]  ? vprintk_emit (kernel/printk/printk.c:2471)
[   23.755723][  T364]  __might_resched.cold (kernel/sched/core.c:9234)
[   23.755727][  T364]  ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3))
[   23.755731][  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)
[   23.755736][  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))
[   23.755739][  T364]  ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[   23.755745][  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)
[   23.755748][  T364]  alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[   23.755752][  T364]  put_chars (drivers/char/virtio_console.c:1176)
[   23.755755][  T364]  ? __send_to_port (drivers/char/virtio_console.c:654)
[   23.755758][  T364]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380)
[   23.755762][  T364]  ? validate_chain (kernel/locking/lockdep.c:3817 (discriminator 2) kernel/locking/lockdep.c:3837 (discriminator 2) kernel/locking/lockdep.c:3892 (discriminator 2))
[   23.755767][  T364]  hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2))
[   23.755771][  T364]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   23.755772][  T364]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   23.755777][  T364]  ? hvc_write (drivers/tty/hvc/hvc_console.c:501)
[   23.755781][  T364]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   23.755784][  T364]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   23.755788][  T364]  console_emit_next_record (kernel/printk/printk.c:3183)
[   23.755791][  T364]  ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20)
[   23.755793][  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))
[   23.755795][  T364]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   23.755797][  T364]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   23.755802][  T364]  console_flush_one_record (kernel/printk/printk.c:3268)
[   23.755806][  T364]  ? console_emit_next_record (kernel/printk/printk.c:3150)
[   23.755807][  T364]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   23.755813][  T364]  console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420)
[   23.755815][  T364]  ? console_flush_one_record (kernel/printk/printk.c:3316)
[   23.755816][  T364]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   23.755818][  T364]  ? lock_acquire (kernel/locking/lockdep.c:5913)
[   23.755822][  T364]  ? __down_trylock_console_sem (kernel/printk/printk.c:334)
[   23.755824][  T364]  ? vprintk_emit (kernel/printk/printk.c:2478)
[   23.755827][  T364]  vprintk_emit (kernel/printk/printk.c:2479)
[   23.755830][  T364]  ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126))
[   23.755832][  T364]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   23.755834][  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))
[   23.755836][  T364]  ? find_held_lock (kernel/locking/lockdep.c:5360)
[   23.755840][  T364]  _printk (kernel/printk/printk.c:2504)
[   23.755844][  T364]  ? snapshot_read.cold (user.c:?)
[   23.755846][  T364]  ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4116 (discriminator 3) kernel/rcu/tree.c:4108 (discriminator 3))
[   23.755849][  T364]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380)
[   23.755851][  T364]  ? validate_chain (kernel/locking/lockdep.c:3817 (discriminator 2) kernel/locking/lockdep.c:3837 (discriminator 2) kernel/locking/lockdep.c:3892 (discriminator 2))
[   23.755853][  T364]  ? netdev_name (./include/linux/netdevice.h:5709 (discriminator 1))
[   23.755857][  T364]  ? __netdev_printk (net/core/dev.c:13148 (discriminator 2))
[   23.755859][  T364]  ? do_setlink.isra.0 (net/core/rtnetlink.c:3246)
[   23.755862][  T364]  netdev_info (net/core/dev.c:13195 (discriminator 3))
[   23.755864][  T364]  ? netdev_notice (net/core/dev.c:13194)
[   23.755867][  T364]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[   23.755870][  T364]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554)
[   23.755873][  T364]  ? mark_held_locks (kernel/locking/lockdep.c:4341)
[   23.755876][  T364]  ? do_setlink.isra.0 (net/core/rtnetlink.c:3246)
[   23.755879][  T364]  netif_change_name.cold (net/core/dev.c:1507 (discriminator 3))
[   23.755882][  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))
[   23.755888][  T364]  ? netdev_adjacent_rename_links (net/core/dev.c:9598)
[   23.755891][  T364]  ? __kernel_text_address (kernel/extable.c:79)
[   23.755894][  T364]  ? write_profile (profile.c:?)
[   23.755898][  T364]  ? __asan_memset (mm/kasan/shadow.c:84 (discriminator 1))
[   23.755904][  T364]  do_setlink.isra.0 (net/core/rtnetlink.c:3246)
[   23.755908][  T364]  ? stack_trace_save (kernel/stacktrace.c:122 (discriminator 1))
[   23.755911][  T364]  ? rtnl_link_get_size (net/core/rtnetlink.c:747)
[   23.755912][  T364]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:388 kernel/rcu/update.c:380)
[   23.755914][  T364]  ? stack_depot_save_flags (lib/stackdepot.c:609 (discriminator 2) lib/stackdepot.c:676 (discriminator 2))
[   23.755918][  T364]  ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4116 (discriminator 3) kernel/rcu/tree.c:4108 (discriminator 3))
[   23.755920][  T364]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380)
[   23.755922][  T364]  ? validate_chain (kernel/locking/lockdep.c:3817 (discriminator 2) kernel/locking/lockdep.c:3837 (discriminator 2) kernel/locking/lockdep.c:3892 (discriminator 2))
[   23.755925][  T364]  ? kasan_save_stack (mm/kasan/common.c:58)
[   23.755927][  T364]  ? kasan_save_stack (mm/kasan/common.c:57)
[   23.755929][  T364]  ? kasan_save_track (mm/kasan/common.c:78)
[   23.755932][  T364]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   23.755934][  T364]  ? netlink_update_listeners (net/netlink/af_netlink.c:532)
[   23.755937][  T364]  ? ___sys_sendmsg (net/socket.c:2744 net/socket.c:2763)
[   23.755942][  T364]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2))
[   23.755944][  T364]  ? rtnl_newlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:366 net/core/rtnetlink.c:4214)
[   23.755946][  T364]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   23.755948][  T364]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   23.755950][  T364]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   23.755951][  T364]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   23.755953][  T364]  ? trace_contention_end (./include/trace/events/lock.h:121 (discriminator 22))
[   23.755956][  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)
[   23.755959][  T364]  ? __mutex_lock (kernel/locking/mutex.c:656 (discriminator 1) kernel/locking/mutex.c:821 (discriminator 1))
[   23.755962][  T364]  ? rtnl_newlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:366 net/core/rtnetlink.c:4214)
[   23.755965][  T364]  ? ww_mutex_lock (kernel/locking/mutex.c:934)
[   23.755967][  T364]  ? nla_get_range_signed (lib/nlattr.c:270)
[   23.755973][  T364]  ? __rtnl_newlink (net/core/rtnetlink.c:4063)
[   23.755978][  T364]  rtnl_newlink (net/core/rtnetlink.c:4215)
[   23.755984][  T364]  ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558)
[   23.755985][  T364]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   23.755990][  T364]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2))
[   23.755992][  T364]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[   23.755994][  T364]  ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558)
[   23.755996][  T364]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554)
[   23.756000][  T364]  ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558)
[   23.756002][  T364]  rtnetlink_rcv_msg (net/core/rtnetlink.c:7132)
[   23.756005][  T364]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   23.756006][  T364]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   23.756011][  T364]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2))
[   23.756013][  T364]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[   23.756017][  T364]  netlink_rcv_skb (net/netlink/af_netlink.c:2556)
[   23.756019][  T364]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   23.756022][  T364]  ? netlink_ack (./include/linux/skbuff.h:2718)
[   23.756028][  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))
[   23.756029][  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))
[   23.756034][  T364]  netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[   23.756037][  T364]  ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[   23.756040][  T364]  ? __lock_acquire (kernel/locking/lockdep.c:5251 (discriminator 3))
[   23.756045][  T364]  netlink_sendmsg (net/netlink/af_netlink.c:1900)
[   23.756048][  T364]  ? netlink_unicast (./include/net/net_namespace.h:422 (discriminator 7))
[   23.756050][  T364]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554)
[   23.756055][  T364]  ? __might_fault (mm/memory.c:7482 (discriminator 5))
[   23.756059][  T364]  ? __might_fault (mm/memory.c:7482 (discriminator 5))
[   23.756063][  T364]  ____sys_sendmsg (net/socket.c:800 (discriminator 4) net/socket.c:815 (discriminator 4) net/socket.c:2713 (discriminator 4))
[   23.756065][  T364]  ? copy_msghdr_from_user (net/socket.c:2650)
[   23.756067][  T364]  ? get_timestamp.constprop.0 (./include/linux/netdevice.h:5399)
[   23.756069][  T364]  ? move_addr_to_kernel (./include/linux/audit.h:354 (discriminator 1))
[   23.756076][  T364]  ___sys_sendmsg (net/socket.c:2767)
[   23.756079][  T364]  ? copy_msghdr_from_user (net/socket.c:2619)
[   23.756096][  T364]  __sys_sendmsg (net/socket.c:2799)
[   23.756099][  T364]  ? __sys_sendmsg_sock (net/socket.c:2780)
[   23.756106][  T364]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   23.756109][  T364]  do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84)
[   23.756111][  T364]  ? exc_page_fault (arch/x86/mm/fault.c:1489 (discriminator 3) arch/x86/mm/fault.c:1536 (discriminator 3))
[   23.756115][  T364]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[   23.756117][  T364] RIP: 0033:0x7f15608f354e
[   23.756121][  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
[   23.756123][  T364] RSP: 002b:00007ffd21c592c0 EFLAGS: 00000202 ORIG_RAX: 000000000000002e
[   23.756126][  T364] RAX: ffffffffffffffda RBX: 0000000000000003 RCX: 00007f15608f354e
[   23.756127][  T364] RDX: 0000000000000000 RSI: 00007ffd21c59370 RDI: 0000000000000005
[   23.756128][  T364] RBP: 00007ffd21c592d0 R08: 0000000000000000 R09: 0000000000000000
[   23.756129][  T364] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a918d66
[   23.756130][  T364] R13: 00000000004a1620 R14: 0000000000000000 R15: 00007ffd21c59a40
| [   24.796862][  T371] softirqs last disabled at (30282): netif_change_name (./include/linux/spinlock.h:353 ./include/linux/seqlock.h:908 net/core/dev.c:1499)
| [   24.796865][  T371] Preemption disabled at:
| [   24.796865][  T371] vprintk_emit (kernel/printk/printk.c:2471)
| [   24.796875][  T371] Tainted: [W]=WARN
[   24.796876][  T371] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   24.796877][  T371] Call Trace:
[   24.796879][  T371]  <TASK>
[   24.796880][  T371]  dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120)
[   24.796885][  T371]  ? vprintk_emit (kernel/printk/printk.c:2471)
[   24.796887][  T371]  __might_resched.cold (kernel/sched/core.c:9234)
[   24.796892][  T371]  ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3))
[   24.796895][  T371]  ? __kmalloc_noprof (./include/linux/sched/mm.h:317 mm/slub.c:4636 mm/slub.c:4974 mm/slub.c:5413 mm/slub.c:5439)
[   24.796900][  T371]  __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))
[   24.796903][  T371]  ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[   24.796909][  T371]  ? 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)
[   24.796912][  T371]  alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[   24.796915][  T371]  put_chars (drivers/char/virtio_console.c:1176)
[   24.796918][  T371]  ? __send_to_port (drivers/char/virtio_console.c:654)
[   24.796922][  T371]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380)
[   24.796926][  T371]  ? validate_chain (kernel/locking/lockdep.c:3817 (discriminator 2) kernel/locking/lockdep.c:3837 (discriminator 2) kernel/locking/lockdep.c:3892 (discriminator 2))
[   24.796930][  T371]  hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2))
[   24.796934][  T371]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   24.796936][  T371]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   24.796941][  T371]  ? hvc_write (drivers/tty/hvc/hvc_console.c:501)
[   24.796944][  T371]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   24.796947][  T371]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   24.796951][  T371]  console_emit_next_record (kernel/printk/printk.c:3183)
[   24.796955][  T371]  ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20)
[   24.796956][  T371]  ? 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))
[   24.796959][  T371]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   24.796961][  T371]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   24.796965][  T371]  console_flush_one_record (kernel/printk/printk.c:3268)
[   24.796969][  T371]  ? console_emit_next_record (kernel/printk/printk.c:3150)
[   24.796970][  T371]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   24.796976][  T371]  console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420)
[   24.796978][  T371]  ? console_flush_one_record (kernel/printk/printk.c:3316)
[   24.796979][  T371]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   24.796981][  T371]  ? lock_acquire (kernel/locking/lockdep.c:5913)
[   24.796985][  T371]  ? __down_trylock_console_sem (kernel/printk/printk.c:334)
[   24.796987][  T371]  ? vprintk_emit (kernel/printk/printk.c:2478)
[   24.796990][  T371]  vprintk_emit (kernel/printk/printk.c:2479)
[   24.796993][  T371]  ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126))
[   24.796995][  T371]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   24.796998][  T371]  ? 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))
[   24.797000][  T371]  ? find_held_lock (kernel/locking/lockdep.c:5360)
[   24.797004][  T371]  _printk (kernel/printk/printk.c:2504)
[   24.797007][  T371]  ? snapshot_read.cold (user.c:?)
[   24.797009][  T371]  ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4116 (discriminator 3) kernel/rcu/tree.c:4108 (discriminator 3))
[   24.797012][  T371]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380)
[   24.797014][  T371]  ? validate_chain (kernel/locking/lockdep.c:3817 (discriminator 2) kernel/locking/lockdep.c:3837 (discriminator 2) kernel/locking/lockdep.c:3892 (discriminator 2))
[   24.797016][  T371]  ? netdev_name (./include/linux/netdevice.h:5709 (discriminator 1))
[   24.797020][  T371]  ? __netdev_printk (net/core/dev.c:13148 (discriminator 2))
[   24.797022][  T371]  ? do_setlink.isra.0 (net/core/rtnetlink.c:3246)
[   24.797025][  T371]  netdev_info (net/core/dev.c:13195 (discriminator 3))
[   24.797028][  T371]  ? netdev_notice (net/core/dev.c:13194)
[   24.797030][  T371]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[   24.797033][  T371]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554)
[   24.797036][  T371]  ? mark_held_locks (kernel/locking/lockdep.c:4341)
[   24.797040][  T371]  ? do_setlink.isra.0 (net/core/rtnetlink.c:3246)
[   24.797042][  T371]  netif_change_name.cold (net/core/dev.c:1507 (discriminator 3))
[   24.797045][  T371]  ? 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))
[   24.797051][  T371]  ? netdev_adjacent_rename_links (net/core/dev.c:9598)
[   24.797056][  T371]  ? __kernel_text_address (kernel/extable.c:79)
[   24.797059][  T371]  ? write_profile (profile.c:?)
[   24.797063][  T371]  ? __asan_memset (mm/kasan/shadow.c:84 (discriminator 1))
[   24.797068][  T371]  do_setlink.isra.0 (net/core/rtnetlink.c:3246)
[   24.797073][  T371]  ? stack_trace_save (kernel/stacktrace.c:122 (discriminator 1))
[   24.797076][  T371]  ? rtnl_link_get_size (net/core/rtnetlink.c:747)
[   24.797077][  T371]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:388 kernel/rcu/update.c:380)
[   24.797079][  T371]  ? stack_depot_save_flags (lib/stackdepot.c:609 (discriminator 2) lib/stackdepot.c:676 (discriminator 2))
[   24.797083][  T371]  ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4116 (discriminator 3) kernel/rcu/tree.c:4108 (discriminator 3))
[   24.797085][  T371]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380)
[   24.797087][  T371]  ? validate_chain (kernel/locking/lockdep.c:3817 (discriminator 2) kernel/locking/lockdep.c:3837 (discriminator 2) kernel/locking/lockdep.c:3892 (discriminator 2))
[   24.797090][  T371]  ? kasan_save_stack (mm/kasan/common.c:58)
[   24.797093][  T371]  ? kasan_save_stack (mm/kasan/common.c:57)
[   24.797094][  T371]  ? kasan_save_track (mm/kasan/common.c:78)
[   24.797097][  T371]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   24.797099][  T371]  ? netlink_update_listeners (net/netlink/af_netlink.c:532)
[   24.797102][  T371]  ? ___sys_sendmsg (net/socket.c:2744 net/socket.c:2763)
[   24.797107][  T371]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2))
[   24.797109][  T371]  ? rtnl_newlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:366 net/core/rtnetlink.c:4214)
[   24.797112][  T371]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   24.797114][  T371]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   24.797116][  T371]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   24.797117][  T371]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   24.797119][  T371]  ? trace_contention_end (./include/trace/events/lock.h:121 (discriminator 22))
[   24.797122][  T371]  ? __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)
[   24.797125][  T371]  ? __mutex_lock (kernel/locking/mutex.c:656 (discriminator 1) kernel/locking/mutex.c:821 (discriminator 1))
[   24.797127][  T371]  ? rtnl_newlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:366 net/core/rtnetlink.c:4214)
[   24.797131][  T371]  ? ww_mutex_lock (kernel/locking/mutex.c:934)
[   24.797133][  T371]  ? nla_get_range_signed (lib/nlattr.c:270)
[   24.797139][  T371]  ? __rtnl_newlink (net/core/rtnetlink.c:4063)
[   24.797144][  T371]  rtnl_newlink (net/core/rtnetlink.c:4215)
[   24.797150][  T371]  ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558)
[   24.797152][  T371]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   24.797156][  T371]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2))
[   24.797159][  T371]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[   24.797161][  T371]  ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558)
[   24.797163][  T371]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554)
[   24.797167][  T371]  ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558)
[   24.797169][  T371]  rtnetlink_rcv_msg (net/core/rtnetlink.c:7132)
[   24.797172][  T371]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   24.797173][  T371]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   24.797178][  T371]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2))
[   24.797180][  T371]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[   24.797184][  T371]  netlink_rcv_skb (net/netlink/af_netlink.c:2556)
[   24.797186][  T371]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   24.797189][  T371]  ? netlink_ack (./include/linux/skbuff.h:2718)
[   24.797195][  T371]  ? 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))
[   24.797197][  T371]  ? 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))
[   24.797201][  T371]  netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[   24.797205][  T371]  ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[   24.797208][  T371]  ? __lock_acquire (kernel/locking/lockdep.c:5251 (discriminator 3))
[   24.797212][  T371]  netlink_sendmsg (net/netlink/af_netlink.c:1900)
[   24.797216][  T371]  ? netlink_unicast (./include/net/net_namespace.h:422 (discriminator 7))
[   24.797218][  T371]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554)
[   24.797221][  T371]  ? __might_fault (mm/memory.c:7482 (discriminator 5))
[   24.797225][  T371]  ? __might_fault (mm/memory.c:7482 (discriminator 5))
[   24.797229][  T371]  ____sys_sendmsg (net/socket.c:800 (discriminator 4) net/socket.c:815 (discriminator 4) net/socket.c:2713 (discriminator 4))
[   24.797232][  T371]  ? copy_msghdr_from_user (net/socket.c:2650)
[   24.797234][  T371]  ? get_timestamp.constprop.0 (./include/linux/netdevice.h:5399)
[   24.797236][  T371]  ? move_addr_to_kernel (./include/linux/audit.h:354 (discriminator 1))
[   24.797243][  T371]  ___sys_sendmsg (net/socket.c:2767)
[   24.797246][  T371]  ? copy_msghdr_from_user (net/socket.c:2619)
[   24.797263][  T371]  __sys_sendmsg (net/socket.c:2799)
[   24.797267][  T371]  ? __sys_sendmsg_sock (net/socket.c:2780)
[   24.797273][  T371]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   24.797277][  T371]  do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84)
[   24.797279][  T371]  ? exc_page_fault (arch/x86/mm/fault.c:1489 (discriminator 3) arch/x86/mm/fault.c:1536 (discriminator 3))
[   24.797283][  T371]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[   24.797285][  T371] RIP: 0033:0x7fb2b188854e
[   24.797289][  T371] 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
[   24.797291][  T371] RSP: 002b:00007fff209d8b20 EFLAGS: 00000202 ORIG_RAX: 000000000000002e
[   24.797293][  T371] RAX: ffffffffffffffda RBX: 0000000000000003 RCX: 00007fb2b188854e
[   24.797295][  T371] RDX: 0000000000000000 RSI: 00007fff209d8bd0 RDI: 0000000000000005
[   24.797296][  T371] RBP: 00007fff209d8b30 R08: 0000000000000000 R09: 0000000000000000
[   24.797296][  T371] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a918d67
[   24.797297][  T371] R13: 00000000004a1620 R14: 0000000000000000 R15: 00007fff209d92a0
| [   25.965743][  T380] softirqs last disabled at (20234): netif_change_name (./include/linux/spinlock.h:353 ./include/linux/seqlock.h:908 net/core/dev.c:1499)
| [   25.965747][  T380] Preemption disabled at:
| [   25.965747][  T380] vprintk_emit (kernel/printk/printk.c:2471)
| [   25.965759][  T380] Tainted: [W]=WARN
[   25.965760][  T380] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   25.965763][  T380] Call Trace:
[   25.965765][  T380]  <TASK>
[   25.965767][  T380]  dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120)
[   25.965773][  T380]  ? vprintk_emit (kernel/printk/printk.c:2471)
[   25.965776][  T380]  __might_resched.cold (kernel/sched/core.c:9234)
[   25.965782][  T380]  ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3))
[   25.965787][  T380]  ? __kmalloc_noprof (./include/linux/sched/mm.h:317 mm/slub.c:4636 mm/slub.c:4974 mm/slub.c:5413 mm/slub.c:5439)
[   25.965795][  T380]  __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))
[   25.965798][  T380]  ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[   25.965808][  T380]  ? 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)
[   25.965811][  T380]  alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[   25.965817][  T380]  put_chars (drivers/char/virtio_console.c:1176)
[   25.965821][  T380]  ? __send_to_port (drivers/char/virtio_console.c:654)
[   25.965827][  T380]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380)
[   25.965832][  T380]  ? validate_chain (kernel/locking/lockdep.c:3817 (discriminator 2) kernel/locking/lockdep.c:3837 (discriminator 2) kernel/locking/lockdep.c:3892 (discriminator 2))
[   25.965840][  T380]  hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2))
[   25.965844][  T380]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   25.965847][  T380]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   25.965855][  T380]  ? hvc_write (drivers/tty/hvc/hvc_console.c:501)
[   25.965861][  T380]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   25.965865][  T380]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   25.965872][  T380]  console_emit_next_record (kernel/printk/printk.c:3183)
[   25.965877][  T380]  ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20)
[   25.965879][  T380]  ? 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))
[   25.965884][  T380]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   25.965887][  T380]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   25.965894][  T380]  console_flush_one_record (kernel/printk/printk.c:3268)
[   25.965901][  T380]  ? console_emit_next_record (kernel/printk/printk.c:3150)
[   25.965906][  T380]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   25.965916][  T380]  console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420)
[   25.965920][  T380]  ? console_flush_one_record (kernel/printk/printk.c:3316)
[   25.965922][  T380]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   25.965925][  T380]  ? lock_acquire (kernel/locking/lockdep.c:5913)
[   25.965931][  T380]  ? __down_trylock_console_sem (kernel/printk/printk.c:334)
[   25.965934][  T380]  ? vprintk_emit (kernel/printk/printk.c:2478)
[   25.965939][  T380]  vprintk_emit (kernel/printk/printk.c:2479)
[   25.965945][  T380]  ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126))
[   25.965948][  T380]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   25.965951][  T380]  ? 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))
[   25.965954][  T380]  ? find_held_lock (kernel/locking/lockdep.c:5360)
[   25.965961][  T380]  _printk (kernel/printk/printk.c:2504)
[   25.965966][  T380]  ? snapshot_read.cold (user.c:?)
[   25.965968][  T380]  ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4116 (discriminator 3) kernel/rcu/tree.c:4108 (discriminator 3))
[   25.965973][  T380]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380)
[   25.965976][  T380]  ? validate_chain (kernel/locking/lockdep.c:3817 (discriminator 2) kernel/locking/lockdep.c:3837 (discriminator 2) kernel/locking/lockdep.c:3892 (discriminator 2))
[   25.965980][  T380]  ? netdev_name (./include/linux/netdevice.h:5709 (discriminator 1))
[   25.965984][  T380]  ? __netdev_printk (net/core/dev.c:13148 (discriminator 2))
[   25.965988][  T380]  ? do_setlink.isra.0 (net/core/rtnetlink.c:3246)
[   25.965992][  T380]  netdev_info (net/core/dev.c:13195 (discriminator 3))
[   25.965996][  T380]  ? netdev_notice (net/core/dev.c:13194)
[   25.966000][  T380]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[   25.966005][  T380]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554)
[   25.966009][  T380]  ? mark_held_locks (kernel/locking/lockdep.c:4341)
[   25.966015][  T380]  ? do_setlink.isra.0 (net/core/rtnetlink.c:3246)
[   25.966019][  T380]  netif_change_name.cold (net/core/dev.c:1507 (discriminator 3))
[   25.966023][  T380]  ? 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))
[   25.966032][  T380]  ? netdev_adjacent_rename_links (net/core/dev.c:9598)
[   25.966036][  T380]  ? __kernel_text_address (kernel/extable.c:79)
[   25.966040][  T380]  ? write_profile (profile.c:?)
[   25.966046][  T380]  ? __asan_memset (mm/kasan/shadow.c:84 (discriminator 1))
[   25.966054][  T380]  do_setlink.isra.0 (net/core/rtnetlink.c:3246)
[   25.966061][  T380]  ? stack_trace_save (kernel/stacktrace.c:122 (discriminator 1))
[   25.966065][  T380]  ? rtnl_link_get_size (net/core/rtnetlink.c:747)
[   25.966067][  T380]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:388 kernel/rcu/update.c:380)
[   25.966070][  T380]  ? stack_depot_save_flags (lib/stackdepot.c:609 (discriminator 2) lib/stackdepot.c:676 (discriminator 2))
[   25.966075][  T380]  ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4116 (discriminator 3) kernel/rcu/tree.c:4108 (discriminator 3))
[   25.966079][  T380]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380)
[   25.966082][  T380]  ? validate_chain (kernel/locking/lockdep.c:3817 (discriminator 2) kernel/locking/lockdep.c:3837 (discriminator 2) kernel/locking/lockdep.c:3892 (discriminator 2))
[   25.966086][  T380]  ? kasan_save_stack (mm/kasan/common.c:58)
[   25.966090][  T380]  ? kasan_save_stack (mm/kasan/common.c:57)
[   25.966093][  T380]  ? kasan_save_track (mm/kasan/common.c:78)
[   25.966097][  T380]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   25.966101][  T380]  ? netlink_update_listeners (net/netlink/af_netlink.c:532)
[   25.966105][  T380]  ? ___sys_sendmsg (net/socket.c:2744 net/socket.c:2763)
[   25.966112][  T380]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2))
[   25.966115][  T380]  ? rtnl_newlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:366 net/core/rtnetlink.c:4214)
[   25.966119][  T380]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   25.966122][  T380]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   25.966125][  T380]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   25.966127][  T380]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   25.966130][  T380]  ? trace_contention_end (./include/trace/events/lock.h:121 (discriminator 22))
[   25.966134][  T380]  ? __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)
[   25.966138][  T380]  ? __mutex_lock (kernel/locking/mutex.c:656 (discriminator 1) kernel/locking/mutex.c:821 (discriminator 1))
[   25.966142][  T380]  ? rtnl_newlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:366 net/core/rtnetlink.c:4214)
[   25.966148][  T380]  ? ww_mutex_lock (kernel/locking/mutex.c:934)
[   25.966151][  T380]  ? nla_get_range_signed (lib/nlattr.c:270)
[   25.966160][  T380]  ? __rtnl_newlink (net/core/rtnetlink.c:4063)
[   25.966169][  T380]  rtnl_newlink (net/core/rtnetlink.c:4215)
[   25.966179][  T380]  ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558)
[   25.966182][  T380]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   25.966190][  T380]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2))
[   25.966193][  T380]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[   25.966197][  T380]  ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558)
[   25.966200][  T380]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554)
[   25.966206][  T380]  ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558)
[   25.966210][  T380]  rtnetlink_rcv_msg (net/core/rtnetlink.c:7132)
[   25.966215][  T380]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   25.966217][  T380]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   25.966225][  T380]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2))
[   25.966228][  T380]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[   25.966234][  T380]  netlink_rcv_skb (net/netlink/af_netlink.c:2556)
[   25.966236][  T380]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   25.966241][  T380]  ? netlink_ack (./include/linux/skbuff.h:2718)
[   25.966252][  T380]  ? 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))
[   25.966254][  T380]  ? 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))
[   25.966262][  T380]  netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[   25.966269][  T380]  ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[   25.966274][  T380]  ? __lock_acquire (kernel/locking/lockdep.c:5251 (discriminator 3))
[   25.966281][  T380]  netlink_sendmsg (net/netlink/af_netlink.c:1900)
[   25.966287][  T380]  ? netlink_unicast (./include/net/net_namespace.h:422 (discriminator 7))
[   25.966289][  T380]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554)
[   25.966294][  T380]  ? __might_fault (mm/memory.c:7482 (discriminator 5))
[   25.966299][  T380]  ? __might_fault (mm/memory.c:7482 (discriminator 5))
[   25.966306][  T380]  ____sys_sendmsg (net/socket.c:800 (discriminator 4) net/socket.c:815 (discriminator 4) net/socket.c:2713 (discriminator 4))
[   25.966310][  T380]  ? copy_msghdr_from_user (net/socket.c:2650)
[   25.966313][  T380]  ? get_timestamp.constprop.0 (./include/linux/netdevice.h:5399)
[   25.966316][  T380]  ? move_addr_to_kernel (./include/linux/audit.h:354 (discriminator 1))
[   25.966329][  T380]  ___sys_sendmsg (net/socket.c:2767)
[   25.966334][  T380]  ? copy_msghdr_from_user (net/socket.c:2619)
[   25.966364][  T380]  __sys_sendmsg (net/socket.c:2799)
[   25.966369][  T380]  ? __sys_sendmsg_sock (net/socket.c:2780)
[   25.966380][  T380]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   25.966386][  T380]  do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84)
[   25.966389][  T380]  ? exc_page_fault (arch/x86/mm/fault.c:1489 (discriminator 3) arch/x86/mm/fault.c:1536 (discriminator 3))
[   25.966395][  T380]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[   25.966398][  T380] RIP: 0033:0x7f1f9731754e
[   25.966403][  T380] 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
[   25.966405][  T380] RSP: 002b:00007fffa9c2ab70 EFLAGS: 00000202 ORIG_RAX: 000000000000002e
[   25.966409][  T380] RAX: ffffffffffffffda RBX: 0000000000000003 RCX: 00007f1f9731754e
[   25.966411][  T380] RDX: 0000000000000000 RSI: 00007fffa9c2ac20 RDI: 0000000000000005
[   25.966412][  T380] RBP: 00007fffa9c2ab80 R08: 0000000000000000 R09: 0000000000000000
[   25.966413][  T380] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a918d68
[   25.966415][  T380] R13: 00000000004a1620 R14: 0000000000000000 R15: 00007fffa9c2b2f0
| [   27.018598][  T386] softirqs last disabled at (24528): netif_change_name (./include/linux/spinlock.h:353 ./include/linux/seqlock.h:908 net/core/dev.c:1499)
| [   27.018601][  T386] Preemption disabled at:
| [   27.018602][  T386] vprintk_emit (kernel/printk/printk.c:2471)
| [   27.018612][  T386] Tainted: [W]=WARN
[   27.018613][  T386] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   27.018615][  T386] Call Trace:
[   27.018617][  T386]  <TASK>
[   27.018619][  T386]  dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120)
[   27.018625][  T386]  ? vprintk_emit (kernel/printk/printk.c:2471)
[   27.018627][  T386]  __might_resched.cold (kernel/sched/core.c:9234)
[   27.018632][  T386]  ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3))
[   27.018636][  T386]  ? __kmalloc_noprof (./include/linux/sched/mm.h:317 mm/slub.c:4636 mm/slub.c:4974 mm/slub.c:5413 mm/slub.c:5439)
[   27.018643][  T386]  __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))
[   27.018646][  T386]  ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[   27.018654][  T386]  ? 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)
[   27.018657][  T386]  alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[   27.018662][  T386]  put_chars (drivers/char/virtio_console.c:1176)
[   27.018665][  T386]  ? __send_to_port (drivers/char/virtio_console.c:654)
[   27.018670][  T386]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380)
[   27.018675][  T386]  ? validate_chain (kernel/locking/lockdep.c:3817 (discriminator 2) kernel/locking/lockdep.c:3837 (discriminator 2) kernel/locking/lockdep.c:3892 (discriminator 2))
[   27.018681][  T386]  hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2))
[   27.018685][  T386]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   27.018687][  T386]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   27.018694][  T386]  ? hvc_write (drivers/tty/hvc/hvc_console.c:501)
[   27.018698][  T386]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   27.018702][  T386]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   27.018708][  T386]  console_emit_next_record (kernel/printk/printk.c:3183)
[   27.018712][  T386]  ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20)
[   27.018714][  T386]  ? 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))
[   27.018718][  T386]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   27.018720][  T386]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   27.018726][  T386]  console_flush_one_record (kernel/printk/printk.c:3268)
[   27.018731][  T386]  ? console_emit_next_record (kernel/printk/printk.c:3150)
[   27.018733][  T386]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   27.018741][  T386]  console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420)
[   27.018744][  T386]  ? console_flush_one_record (kernel/printk/printk.c:3316)
[   27.018746][  T386]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   27.018748][  T386]  ? lock_acquire (kernel/locking/lockdep.c:5913)
[   27.018754][  T386]  ? __down_trylock_console_sem (kernel/printk/printk.c:334)
[   27.018756][  T386]  ? vprintk_emit (kernel/printk/printk.c:2478)
[   27.018760][  T386]  vprintk_emit (kernel/printk/printk.c:2479)
[   27.018764][  T386]  ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126))
[   27.018767][  T386]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   27.018770][  T386]  ? 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))
[   27.018772][  T386]  ? find_held_lock (kernel/locking/lockdep.c:5360)
[   27.018778][  T386]  _printk (kernel/printk/printk.c:2504)
[   27.018783][  T386]  ? snapshot_read.cold (user.c:?)
[   27.018785][  T386]  ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4116 (discriminator 3) kernel/rcu/tree.c:4108 (discriminator 3))
[   27.018789][  T386]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380)
[   27.018791][  T386]  ? validate_chain (kernel/locking/lockdep.c:3817 (discriminator 2) kernel/locking/lockdep.c:3837 (discriminator 2) kernel/locking/lockdep.c:3892 (discriminator 2))
[   27.018794][  T386]  ? netdev_name (./include/linux/netdevice.h:5709 (discriminator 1))
[   27.018799][  T386]  ? __netdev_printk (net/core/dev.c:13148 (discriminator 2))
[   27.018802][  T386]  ? do_setlink.isra.0 (net/core/rtnetlink.c:3246)
[   27.018806][  T386]  netdev_info (net/core/dev.c:13195 (discriminator 3))
[   27.018809][  T386]  ? netdev_notice (net/core/dev.c:13194)
[   27.018813][  T386]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[   27.018817][  T386]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554)
[   27.018821][  T386]  ? mark_held_locks (kernel/locking/lockdep.c:4341)
[   27.018826][  T386]  ? do_setlink.isra.0 (net/core/rtnetlink.c:3246)
[   27.018829][  T386]  netif_change_name.cold (net/core/dev.c:1507 (discriminator 3))
[   27.018833][  T386]  ? 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))
[   27.018842][  T386]  ? netdev_adjacent_rename_links (net/core/dev.c:9598)
[   27.018845][  T386]  ? __kernel_text_address (kernel/extable.c:79)
[   27.018848][  T386]  ? write_profile (profile.c:?)
[   27.018853][  T386]  ? __asan_memset (mm/kasan/shadow.c:84 (discriminator 1))
[   27.018861][  T386]  do_setlink.isra.0 (net/core/rtnetlink.c:3246)
[   27.018867][  T386]  ? stack_trace_save (kernel/stacktrace.c:122 (discriminator 1))
[   27.018870][  T386]  ? rtnl_link_get_size (net/core/rtnetlink.c:747)
[   27.018872][  T386]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:388 kernel/rcu/update.c:380)
[   27.018874][  T386]  ? stack_depot_save_flags (lib/stackdepot.c:609 (discriminator 2) lib/stackdepot.c:676 (discriminator 2))
[   27.018879][  T386]  ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4116 (discriminator 3) kernel/rcu/tree.c:4108 (discriminator 3))
[   27.018882][  T386]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380)
[   27.018885][  T386]  ? validate_chain (kernel/locking/lockdep.c:3817 (discriminator 2) kernel/locking/lockdep.c:3837 (discriminator 2) kernel/locking/lockdep.c:3892 (discriminator 2))
[   27.018889][  T386]  ? kasan_save_stack (mm/kasan/common.c:58)
[   27.018892][  T386]  ? kasan_save_stack (mm/kasan/common.c:57)
[   27.018894][  T386]  ? kasan_save_track (mm/kasan/common.c:78)
[   27.018898][  T386]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   27.018901][  T386]  ? netlink_update_listeners (net/netlink/af_netlink.c:532)
[   27.018905][  T386]  ? ___sys_sendmsg (net/socket.c:2744 net/socket.c:2763)
[   27.018911][  T386]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2))
[   27.018914][  T386]  ? rtnl_newlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:366 net/core/rtnetlink.c:4214)
[   27.018918][  T386]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   27.018921][  T386]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   27.018923][  T386]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   27.018925][  T386]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   27.018928][  T386]  ? trace_contention_end (./include/trace/events/lock.h:121 (discriminator 22))
[   27.018931][  T386]  ? __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)
[   27.018935][  T386]  ? __mutex_lock (kernel/locking/mutex.c:656 (discriminator 1) kernel/locking/mutex.c:821 (discriminator 1))
[   27.018938][  T386]  ? rtnl_newlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:366 net/core/rtnetlink.c:4214)
[   27.018943][  T386]  ? ww_mutex_lock (kernel/locking/mutex.c:934)
[   27.018945][  T386]  ? nla_get_range_signed (lib/nlattr.c:270)
[   27.018953][  T386]  ? __rtnl_newlink (net/core/rtnetlink.c:4063)
[   27.018961][  T386]  rtnl_newlink (net/core/rtnetlink.c:4215)
[   27.018968][  T386]  ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558)
[   27.018971][  T386]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   27.018978][  T386]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2))
[   27.018980][  T386]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[   27.018983][  T386]  ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558)
[   27.018986][  T386]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554)
[   27.018991][  T386]  ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558)
[   27.018994][  T386]  rtnetlink_rcv_msg (net/core/rtnetlink.c:7132)
[   27.018998][  T386]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   27.019000][  T386]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   27.019006][  T386]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2))
[   27.019009][  T386]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[   27.019014][  T386]  netlink_rcv_skb (net/netlink/af_netlink.c:2556)
[   27.019017][  T386]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   27.019021][  T386]  ? netlink_ack (./include/linux/skbuff.h:2718)
[   27.019030][  T386]  ? 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))
[   27.019032][  T386]  ? 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))
[   27.019038][  T386]  netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[   27.019043][  T386]  ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[   27.019047][  T386]  ? __lock_acquire (kernel/locking/lockdep.c:5251 (discriminator 3))
[   27.019055][  T386]  netlink_sendmsg (net/netlink/af_netlink.c:1900)
[   27.019061][  T386]  ? netlink_unicast (./include/net/net_namespace.h:422 (discriminator 7))
[   27.019063][  T386]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554)
[   27.019067][  T386]  ? __might_fault (mm/memory.c:7482 (discriminator 5))
[   27.019071][  T386]  ? __might_fault (mm/memory.c:7482 (discriminator 5))
[   27.019077][  T386]  ____sys_sendmsg (net/socket.c:800 (discriminator 4) net/socket.c:815 (discriminator 4) net/socket.c:2713 (discriminator 4))
[   27.019080][  T386]  ? copy_msghdr_from_user (net/socket.c:2650)
[   27.019083][  T386]  ? get_timestamp.constprop.0 (./include/linux/netdevice.h:5399)
[   27.019085][  T386]  ? move_addr_to_kernel (./include/linux/audit.h:354 (discriminator 1))
[   27.019096][  T386]  ___sys_sendmsg (net/socket.c:2767)
[   27.019100][  T386]  ? copy_msghdr_from_user (net/socket.c:2619)
[   27.019123][  T386]  __sys_sendmsg (net/socket.c:2799)
[   27.019128][  T386]  ? __sys_sendmsg_sock (net/socket.c:2780)
[   27.019137][  T386]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   27.019141][  T386]  do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84)
[   27.019144][  T386]  ? exc_page_fault (arch/x86/mm/fault.c:1489 (discriminator 3) arch/x86/mm/fault.c:1536 (discriminator 3))
[   27.019149][  T386]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[   27.019151][  T386] RIP: 0033:0x7ffb7ed4a54e
[   27.019156][  T386] 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
[   27.019158][  T386] RSP: 002b:00007ffdd070c490 EFLAGS: 00000202 ORIG_RAX: 000000000000002e
[   27.019161][  T386] RAX: ffffffffffffffda RBX: 0000000000000003 RCX: 00007ffb7ed4a54e
[   27.019163][  T386] RDX: 0000000000000000 RSI: 00007ffdd070c540 RDI: 0000000000000005
[   27.019164][  T386] RBP: 00007ffdd070c4a0 R08: 0000000000000000 R09: 0000000000000000
[   27.019165][  T386] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a918d69
[   27.019166][  T386] R13: 00000000004a1620 R14: 0000000000000000 R15: 00007ffdd070cc10
| [   28.084825][  T394] softirqs last disabled at (25742): netif_change_name (./include/linux/spinlock.h:353 ./include/linux/seqlock.h:908 net/core/dev.c:1499)
| [   28.084828][  T394] Preemption disabled at:
| [   28.084829][  T394] vprintk_emit (kernel/printk/printk.c:2471)
| [   28.084840][  T394] Tainted: [W]=WARN
[   28.084842][  T394] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   28.084844][  T394] Call Trace:
[   28.084846][  T394]  <TASK>
[   28.084848][  T394]  dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120)
[   28.084854][  T394]  ? vprintk_emit (kernel/printk/printk.c:2471)
[   28.084857][  T394]  __might_resched.cold (kernel/sched/core.c:9234)
[   28.084863][  T394]  ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3))
[   28.084868][  T394]  ? __kmalloc_noprof (./include/linux/sched/mm.h:317 mm/slub.c:4636 mm/slub.c:4974 mm/slub.c:5413 mm/slub.c:5439)
[   28.084875][  T394]  __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))
[   28.084879][  T394]  ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[   28.084888][  T394]  ? 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)
[   28.084891][  T394]  alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[   28.084897][  T394]  put_chars (drivers/char/virtio_console.c:1176)
[   28.084901][  T394]  ? __send_to_port (drivers/char/virtio_console.c:654)
[   28.084907][  T394]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380)
[   28.084912][  T394]  ? validate_chain (kernel/locking/lockdep.c:3817 (discriminator 2) kernel/locking/lockdep.c:3837 (discriminator 2) kernel/locking/lockdep.c:3892 (discriminator 2))
[   28.084919][  T394]  hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2))
[   28.084924][  T394]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   28.084927][  T394]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   28.084935][  T394]  ? hvc_write (drivers/tty/hvc/hvc_console.c:501)
[   28.084941][  T394]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   28.084945][  T394]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   28.084952][  T394]  console_emit_next_record (kernel/printk/printk.c:3183)
[   28.084957][  T394]  ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20)
[   28.084959][  T394]  ? 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))
[   28.084964][  T394]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   28.084967][  T394]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   28.084974][  T394]  console_flush_one_record (kernel/printk/printk.c:3268)
[   28.084980][  T394]  ? console_emit_next_record (kernel/printk/printk.c:3150)
[   28.084982][  T394]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   28.084992][  T394]  console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420)
[   28.084996][  T394]  ? console_flush_one_record (kernel/printk/printk.c:3316)
[   28.084998][  T394]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   28.085001][  T394]  ? lock_acquire (kernel/locking/lockdep.c:5913)
[   28.085007][  T394]  ? __down_trylock_console_sem (kernel/printk/printk.c:334)
[   28.085010][  T394]  ? vprintk_emit (kernel/printk/printk.c:2478)
[   28.085015][  T394]  vprintk_emit (kernel/printk/printk.c:2479)
[   28.085021][  T394]  ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126))
[   28.085024][  T394]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   28.085027][  T394]  ? 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))
[   28.085030][  T394]  ? find_held_lock (kernel/locking/lockdep.c:5360)
[   28.085036][  T394]  _printk (kernel/printk/printk.c:2504)
[   28.085041][  T394]  ? snapshot_read.cold (user.c:?)
[   28.085044][  T394]  ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4116 (discriminator 3) kernel/rcu/tree.c:4108 (discriminator 3))
[   28.085048][  T394]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380)
[   28.085054][  T394]  ? validate_chain (kernel/locking/lockdep.c:3817 (discriminator 2) kernel/locking/lockdep.c:3837 (discriminator 2) kernel/locking/lockdep.c:3892 (discriminator 2))
[   28.085057][  T394]  ? netdev_name (./include/linux/netdevice.h:5709 (discriminator 1))
[   28.085062][  T394]  ? __netdev_printk (net/core/dev.c:13148 (discriminator 2))
[   28.085066][  T394]  ? do_setlink.isra.0 (net/core/rtnetlink.c:3246)
[   28.085070][  T394]  netdev_info (net/core/dev.c:13195 (discriminator 3))
[   28.085074][  T394]  ? netdev_notice (net/core/dev.c:13194)
[   28.085078][  T394]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[   28.085083][  T394]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554)
[   28.085087][  T394]  ? mark_held_locks (kernel/locking/lockdep.c:4341)
[   28.085093][  T394]  ? do_setlink.isra.0 (net/core/rtnetlink.c:3246)
[   28.085097][  T394]  netif_change_name.cold (net/core/dev.c:1507 (discriminator 3))
[   28.085101][  T394]  ? 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))
[   28.085110][  T394]  ? netdev_adjacent_rename_links (net/core/dev.c:9598)
[   28.085114][  T394]  ? __kernel_text_address (kernel/extable.c:79)
[   28.085118][  T394]  ? write_profile (profile.c:?)
[   28.085124][  T394]  ? __asan_memset (mm/kasan/shadow.c:84 (discriminator 1))
[   28.085132][  T394]  do_setlink.isra.0 (net/core/rtnetlink.c:3246)
[   28.085139][  T394]  ? stack_trace_save (kernel/stacktrace.c:122 (discriminator 1))
[   28.085142][  T394]  ? rtnl_link_get_size (net/core/rtnetlink.c:747)
[   28.085144][  T394]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:388 kernel/rcu/update.c:380)
[   28.085147][  T394]  ? stack_depot_save_flags (lib/stackdepot.c:609 (discriminator 2) lib/stackdepot.c:676 (discriminator 2))
[   28.085152][  T394]  ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4116 (discriminator 3) kernel/rcu/tree.c:4108 (discriminator 3))
[   28.085156][  T394]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380)
[   28.085159][  T394]  ? validate_chain (kernel/locking/lockdep.c:3817 (discriminator 2) kernel/locking/lockdep.c:3837 (discriminator 2) kernel/locking/lockdep.c:3892 (discriminator 2))
[   28.085163][  T394]  ? kasan_save_stack (mm/kasan/common.c:58)
[   28.085167][  T394]  ? kasan_save_stack (mm/kasan/common.c:57)
[   28.085169][  T394]  ? kasan_save_track (mm/kasan/common.c:78)
[   28.085174][  T394]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   28.085177][  T394]  ? netlink_update_listeners (net/netlink/af_netlink.c:532)
[   28.085181][  T394]  ? ___sys_sendmsg (net/socket.c:2744 net/socket.c:2763)
[   28.085188][  T394]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2))
[   28.085191][  T394]  ? rtnl_newlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:366 net/core/rtnetlink.c:4214)
[   28.085195][  T394]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   28.085198][  T394]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   28.085201][  T394]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   28.085203][  T394]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   28.085206][  T394]  ? trace_contention_end (./include/trace/events/lock.h:121 (discriminator 22))
[   28.085210][  T394]  ? __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)
[   28.085214][  T394]  ? __mutex_lock (kernel/locking/mutex.c:656 (discriminator 1) kernel/locking/mutex.c:821 (discriminator 1))
[   28.085218][  T394]  ? rtnl_newlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:366 net/core/rtnetlink.c:4214)
[   28.085224][  T394]  ? ww_mutex_lock (kernel/locking/mutex.c:934)
[   28.085227][  T394]  ? nla_get_range_signed (lib/nlattr.c:270)
[   28.085237][  T394]  ? __rtnl_newlink (net/core/rtnetlink.c:4063)
[   28.085247][  T394]  rtnl_newlink (net/core/rtnetlink.c:4215)
[   28.085256][  T394]  ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558)
[   28.085260][  T394]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   28.085268][  T394]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2))
[   28.085271][  T394]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[   28.085274][  T394]  ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558)
[   28.085277][  T394]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554)
[   28.085284][  T394]  ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558)
[   28.085287][  T394]  rtnetlink_rcv_msg (net/core/rtnetlink.c:7132)
[   28.085293][  T394]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   28.085295][  T394]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   28.085303][  T394]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2))
[   28.085306][  T394]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[   28.085312][  T394]  netlink_rcv_skb (net/netlink/af_netlink.c:2556)
[   28.085315][  T394]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   28.085320][  T394]  ? netlink_ack (./include/linux/skbuff.h:2718)
[   28.085331][  T394]  ? 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))
[   28.085333][  T394]  ? 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))
[   28.085341][  T394]  netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[   28.085347][  T394]  ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[   28.085352][  T394]  ? __lock_acquire (kernel/locking/lockdep.c:5251 (discriminator 3))
[   28.085359][  T394]  netlink_sendmsg (net/netlink/af_netlink.c:1900)
[   28.085366][  T394]  ? netlink_unicast (./include/net/net_namespace.h:422 (discriminator 7))
[   28.085368][  T394]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554)
[   28.085373][  T394]  ? __might_fault (mm/memory.c:7482 (discriminator 5))
[   28.085378][  T394]  ? __might_fault (mm/memory.c:7482 (discriminator 5))
[   28.085385][  T394]  ____sys_sendmsg (net/socket.c:800 (discriminator 4) net/socket.c:815 (discriminator 4) net/socket.c:2713 (discriminator 4))
[   28.085388][  T394]  ? copy_msghdr_from_user (net/socket.c:2650)
[   28.085392][  T394]  ? get_timestamp.constprop.0 (./include/linux/netdevice.h:5399)
[   28.085394][  T394]  ? move_addr_to_kernel (./include/linux/audit.h:354 (discriminator 1))
[   28.085408][  T394]  ___sys_sendmsg (net/socket.c:2767)
[   28.085412][  T394]  ? copy_msghdr_from_user (net/socket.c:2619)
[   28.085442][  T394]  __sys_sendmsg (net/socket.c:2799)
[   28.085451][  T394]  ? __sys_sendmsg_sock (net/socket.c:2780)
[   28.085462][  T394]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   28.085468][  T394]  do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84)
[   28.085471][  T394]  ? exc_page_fault (arch/x86/mm/fault.c:1489 (discriminator 3) arch/x86/mm/fault.c:1536 (discriminator 3))
[   28.085476][  T394]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[   28.085480][  T394] RIP: 0033:0x7f02b2b2854e
[   28.085484][  T394] 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
[   28.085487][  T394] RSP: 002b:00007fff6f6cc6e0 EFLAGS: 00000202 ORIG_RAX: 000000000000002e
[   28.085490][  T394] RAX: ffffffffffffffda RBX: 0000000000000003 RCX: 00007f02b2b2854e
[   28.085492][  T394] RDX: 0000000000000000 RSI: 00007fff6f6cc790 RDI: 0000000000000005
[   28.085494][  T394] RBP: 00007fff6f6cc6f0 R08: 0000000000000000 R09: 0000000000000000
[   28.085495][  T394] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a918d6a
[   28.085496][  T394] R13: 00000000004a1620 R14: 0000000000000000 R15: 00007fff6f6cce60
| [   29.124250][  T401] softirqs last disabled at (18782): netif_change_name (./include/linux/spinlock.h:353 ./include/linux/seqlock.h:908 net/core/dev.c:1499)
| [   29.124252][  T401] Preemption disabled at:
| [   29.124253][  T401] vprintk_emit (kernel/printk/printk.c:2471)
| [   29.124262][  T401] Tainted: [W]=WARN
[   29.124263][  T401] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   29.124264][  T401] Call Trace:
[   29.124266][  T401]  <TASK>
[   29.124267][  T401]  dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120)
[   29.124272][  T401]  ? vprintk_emit (kernel/printk/printk.c:2471)
[   29.124274][  T401]  __might_resched.cold (kernel/sched/core.c:9234)
[   29.124279][  T401]  ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3))
[   29.124282][  T401]  ? __kmalloc_noprof (./include/linux/sched/mm.h:317 mm/slub.c:4636 mm/slub.c:4974 mm/slub.c:5413 mm/slub.c:5439)
[   29.124287][  T401]  __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))
[   29.124289][  T401]  ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[   29.124296][  T401]  ? 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)
[   29.124299][  T401]  alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[   29.124302][  T401]  put_chars (drivers/char/virtio_console.c:1176)
[   29.124305][  T401]  ? __send_to_port (drivers/char/virtio_console.c:654)
[   29.124309][  T401]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380)
[   29.124313][  T401]  ? validate_chain (kernel/locking/lockdep.c:3817 (discriminator 2) kernel/locking/lockdep.c:3837 (discriminator 2) kernel/locking/lockdep.c:3892 (discriminator 2))
[   29.124317][  T401]  hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2))
[   29.124321][  T401]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   29.124323][  T401]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   29.124327][  T401]  ? hvc_write (drivers/tty/hvc/hvc_console.c:501)
[   29.124331][  T401]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   29.124334][  T401]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   29.124338][  T401]  console_emit_next_record (kernel/printk/printk.c:3183)
[   29.124341][  T401]  ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20)
[   29.124343][  T401]  ? 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))
[   29.124345][  T401]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   29.124347][  T401]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   29.124351][  T401]  console_flush_one_record (kernel/printk/printk.c:3268)
[   29.124355][  T401]  ? console_emit_next_record (kernel/printk/printk.c:3150)
[   29.124356][  T401]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   29.124362][  T401]  console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420)
[   29.124364][  T401]  ? console_flush_one_record (kernel/printk/printk.c:3316)
[   29.124366][  T401]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   29.124368][  T401]  ? lock_acquire (kernel/locking/lockdep.c:5913)
[   29.124372][  T401]  ? __down_trylock_console_sem (kernel/printk/printk.c:334)
[   29.124374][  T401]  ? vprintk_emit (kernel/printk/printk.c:2478)
[   29.124377][  T401]  vprintk_emit (kernel/printk/printk.c:2479)
[   29.124380][  T401]  ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126))
[   29.124382][  T401]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   29.124384][  T401]  ? 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))
[   29.124386][  T401]  ? find_held_lock (kernel/locking/lockdep.c:5360)
[   29.124390][  T401]  _printk (kernel/printk/printk.c:2504)
[   29.124393][  T401]  ? snapshot_read.cold (user.c:?)
[   29.124395][  T401]  ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4116 (discriminator 3) kernel/rcu/tree.c:4108 (discriminator 3))
[   29.124398][  T401]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380)
[   29.124400][  T401]  ? validate_chain (kernel/locking/lockdep.c:3817 (discriminator 2) kernel/locking/lockdep.c:3837 (discriminator 2) kernel/locking/lockdep.c:3892 (discriminator 2))
[   29.124402][  T401]  ? netdev_name (./include/linux/netdevice.h:5709 (discriminator 1))
[   29.124406][  T401]  ? __netdev_printk (net/core/dev.c:13148 (discriminator 2))
[   29.124409][  T401]  ? do_setlink.isra.0 (net/core/rtnetlink.c:3246)
[   29.124411][  T401]  netdev_info (net/core/dev.c:13195 (discriminator 3))
[   29.124413][  T401]  ? netdev_notice (net/core/dev.c:13194)
[   29.124416][  T401]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[   29.124419][  T401]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554)
[   29.124422][  T401]  ? mark_held_locks (kernel/locking/lockdep.c:4341)
[   29.124426][  T401]  ? do_setlink.isra.0 (net/core/rtnetlink.c:3246)
[   29.124428][  T401]  netif_change_name.cold (net/core/dev.c:1507 (discriminator 3))
[   29.124431][  T401]  ? 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))
[   29.124437][  T401]  ? netdev_adjacent_rename_links (net/core/dev.c:9598)
[   29.124440][  T401]  ? __kernel_text_address (kernel/extable.c:79)
[   29.124443][  T401]  ? write_profile (profile.c:?)
[   29.124454][  T401]  ? __asan_memset (mm/kasan/shadow.c:84 (discriminator 1))
[   29.124459][  T401]  do_setlink.isra.0 (net/core/rtnetlink.c:3246)
[   29.124464][  T401]  ? stack_trace_save (kernel/stacktrace.c:122 (discriminator 1))
[   29.124466][  T401]  ? rtnl_link_get_size (net/core/rtnetlink.c:747)
[   29.124468][  T401]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:388 kernel/rcu/update.c:380)
[   29.124470][  T401]  ? stack_depot_save_flags (lib/stackdepot.c:609 (discriminator 2) lib/stackdepot.c:676 (discriminator 2))
[   29.124473][  T401]  ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4116 (discriminator 3) kernel/rcu/tree.c:4108 (discriminator 3))
[   29.124475][  T401]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380)
[   29.124477][  T401]  ? validate_chain (kernel/locking/lockdep.c:3817 (discriminator 2) kernel/locking/lockdep.c:3837 (discriminator 2) kernel/locking/lockdep.c:3892 (discriminator 2))
[   29.124480][  T401]  ? kasan_save_stack (mm/kasan/common.c:58)
[   29.124483][  T401]  ? kasan_save_stack (mm/kasan/common.c:57)
[   29.124484][  T401]  ? kasan_save_track (mm/kasan/common.c:78)
[   29.124487][  T401]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   29.124489][  T401]  ? netlink_update_listeners (net/netlink/af_netlink.c:532)
[   29.124493][  T401]  ? ___sys_sendmsg (net/socket.c:2744 net/socket.c:2763)
[   29.124498][  T401]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2))
[   29.124500][  T401]  ? rtnl_newlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:366 net/core/rtnetlink.c:4214)
[   29.124503][  T401]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   29.124504][  T401]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   29.124506][  T401]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   29.124507][  T401]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   29.124509][  T401]  ? trace_contention_end (./include/trace/events/lock.h:121 (discriminator 22))
[   29.124512][  T401]  ? __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)
[   29.124515][  T401]  ? __mutex_lock (kernel/locking/mutex.c:656 (discriminator 1) kernel/locking/mutex.c:821 (discriminator 1))
[   29.124518][  T401]  ? rtnl_newlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:366 net/core/rtnetlink.c:4214)
[   29.124521][  T401]  ? ww_mutex_lock (kernel/locking/mutex.c:934)
[   29.124523][  T401]  ? nla_get_range_signed (lib/nlattr.c:270)
[   29.124529][  T401]  ? __rtnl_newlink (net/core/rtnetlink.c:4063)
[   29.124534][  T401]  rtnl_newlink (net/core/rtnetlink.c:4215)
[   29.124540][  T401]  ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558)
[   29.124542][  T401]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   29.124548][  T401]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2))
[   29.124550][  T401]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[   29.124552][  T401]  ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558)
[   29.124554][  T401]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554)
[   29.124558][  T401]  ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558)
[   29.124560][  T401]  rtnetlink_rcv_msg (net/core/rtnetlink.c:7132)
[   29.124563][  T401]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   29.124565][  T401]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   29.124569][  T401]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2))
[   29.124572][  T401]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[   29.124575][  T401]  netlink_rcv_skb (net/netlink/af_netlink.c:2556)
[   29.124577][  T401]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   29.124580][  T401]  ? netlink_ack (./include/linux/skbuff.h:2718)
[   29.124586][  T401]  ? 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))
[   29.124588][  T401]  ? 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))
[   29.124592][  T401]  netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[   29.124596][  T401]  ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[   29.124599][  T401]  ? __lock_acquire (kernel/locking/lockdep.c:5251 (discriminator 3))
[   29.124603][  T401]  netlink_sendmsg (net/netlink/af_netlink.c:1900)
[   29.124607][  T401]  ? netlink_unicast (./include/net/net_namespace.h:422 (discriminator 7))
[   29.124608][  T401]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554)
[   29.124611][  T401]  ? __might_fault (mm/memory.c:7482 (discriminator 5))
[   29.124615][  T401]  ? __might_fault (mm/memory.c:7482 (discriminator 5))
[   29.124619][  T401]  ____sys_sendmsg (net/socket.c:800 (discriminator 4) net/socket.c:815 (discriminator 4) net/socket.c:2713 (discriminator 4))
[   29.124621][  T401]  ? copy_msghdr_from_user (net/socket.c:2650)
[   29.124624][  T401]  ? get_timestamp.constprop.0 (./include/linux/netdevice.h:5399)
[   29.124625][  T401]  ? move_addr_to_kernel (./include/linux/audit.h:354 (discriminator 1))
[   29.124633][  T401]  ___sys_sendmsg (net/socket.c:2767)
[   29.124636][  T401]  ? copy_msghdr_from_user (net/socket.c:2619)
[   29.124652][  T401]  __sys_sendmsg (net/socket.c:2799)
[   29.124656][  T401]  ? __sys_sendmsg_sock (net/socket.c:2780)
[   29.124662][  T401]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   29.124665][  T401]  do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84)
[   29.124668][  T401]  ? exc_page_fault (arch/x86/mm/fault.c:1489 (discriminator 3) arch/x86/mm/fault.c:1536 (discriminator 3))
[   29.124671][  T401]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[   29.124674][  T401] RIP: 0033:0x7f8ad193954e
[   29.124677][  T401] 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
[   29.124679][  T401] RSP: 002b:00007ffdb9164d00 EFLAGS: 00000202 ORIG_RAX: 000000000000002e
[   29.124682][  T401] RAX: ffffffffffffffda RBX: 0000000000000003 RCX: 00007f8ad193954e
[   29.124683][  T401] RDX: 0000000000000000 RSI: 00007ffdb9164db0 RDI: 0000000000000005
[   29.124684][  T401] RBP: 00007ffdb9164d10 R08: 0000000000000000 R09: 0000000000000000
[   29.124685][  T401] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a918d6b
[   29.124686][  T401] R13: 00000000004a1620 R14: 0000000000000000 R15: 00007ffdb9165480
| [   30.215303][  T411] softirqs last disabled at (19072): netif_change_name (./include/linux/spinlock.h:353 ./include/linux/seqlock.h:908 net/core/dev.c:1499)
| [   30.215305][  T411] Preemption disabled at:
| [   30.215306][  T411] vprintk_emit (kernel/printk/printk.c:2471)
| [   30.215315][  T411] Tainted: [W]=WARN
[   30.215316][  T411] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   30.215317][  T411] Call Trace:
[   30.215319][  T411]  <TASK>
[   30.215321][  T411]  dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120)
[   30.215326][  T411]  ? vprintk_emit (kernel/printk/printk.c:2471)
[   30.215328][  T411]  __might_resched.cold (kernel/sched/core.c:9234)
[   30.215332][  T411]  ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3))
[   30.215336][  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)
[   30.215341][  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))
[   30.215344][  T411]  ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[   30.215350][  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)
[   30.215353][  T411]  alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[   30.215356][  T411]  put_chars (drivers/char/virtio_console.c:1176)
[   30.215359][  T411]  ? __send_to_port (drivers/char/virtio_console.c:654)
[   30.215363][  T411]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380)
[   30.215367][  T411]  ? validate_chain (kernel/locking/lockdep.c:3817 (discriminator 2) kernel/locking/lockdep.c:3837 (discriminator 2) kernel/locking/lockdep.c:3892 (discriminator 2))
[   30.215371][  T411]  hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2))
[   30.215375][  T411]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   30.215376][  T411]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   30.215381][  T411]  ? hvc_write (drivers/tty/hvc/hvc_console.c:501)
[   30.215385][  T411]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   30.215388][  T411]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   30.215392][  T411]  console_emit_next_record (kernel/printk/printk.c:3183)
[   30.215395][  T411]  ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20)
[   30.215397][  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))
[   30.215399][  T411]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   30.215401][  T411]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   30.215406][  T411]  console_flush_one_record (kernel/printk/printk.c:3268)
[   30.215409][  T411]  ? console_emit_next_record (kernel/printk/printk.c:3150)
[   30.215411][  T411]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   30.215416][  T411]  console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420)
[   30.215419][  T411]  ? console_flush_one_record (kernel/printk/printk.c:3316)
[   30.215420][  T411]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   30.215422][  T411]  ? lock_acquire (kernel/locking/lockdep.c:5913)
[   30.215426][  T411]  ? __down_trylock_console_sem (kernel/printk/printk.c:334)
[   30.215428][  T411]  ? vprintk_emit (kernel/printk/printk.c:2478)
[   30.215431][  T411]  vprintk_emit (kernel/printk/printk.c:2479)
[   30.215434][  T411]  ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126))
[   30.215436][  T411]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   30.215438][  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))
[   30.215440][  T411]  ? find_held_lock (kernel/locking/lockdep.c:5360)
[   30.215444][  T411]  _printk (kernel/printk/printk.c:2504)
[   30.215448][  T411]  ? snapshot_read.cold (user.c:?)
[   30.215450][  T411]  ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4116 (discriminator 3) kernel/rcu/tree.c:4108 (discriminator 3))
[   30.215456][  T411]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380)
[   30.215458][  T411]  ? validate_chain (kernel/locking/lockdep.c:3817 (discriminator 2) kernel/locking/lockdep.c:3837 (discriminator 2) kernel/locking/lockdep.c:3892 (discriminator 2))
[   30.215461][  T411]  ? netdev_name (./include/linux/netdevice.h:5709 (discriminator 1))
[   30.215464][  T411]  ? __netdev_printk (net/core/dev.c:13148 (discriminator 2))
[   30.215467][  T411]  ? do_setlink.isra.0 (net/core/rtnetlink.c:3246)
[   30.215469][  T411]  netdev_info (net/core/dev.c:13195 (discriminator 3))
[   30.215472][  T411]  ? netdev_notice (net/core/dev.c:13194)
[   30.215474][  T411]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[   30.215477][  T411]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554)
[   30.215480][  T411]  ? mark_held_locks (kernel/locking/lockdep.c:4341)
[   30.215484][  T411]  ? do_setlink.isra.0 (net/core/rtnetlink.c:3246)
[   30.215486][  T411]  netif_change_name.cold (net/core/dev.c:1507 (discriminator 3))
[   30.215489][  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))
[   30.215495][  T411]  ? netdev_adjacent_rename_links (net/core/dev.c:9598)
[   30.215498][  T411]  ? __kernel_text_address (kernel/extable.c:79)
[   30.215501][  T411]  ? write_profile (profile.c:?)
[   30.215505][  T411]  ? __asan_memset (mm/kasan/shadow.c:84 (discriminator 1))
[   30.215510][  T411]  do_setlink.isra.0 (net/core/rtnetlink.c:3246)
[   30.215514][  T411]  ? stack_trace_save (kernel/stacktrace.c:122 (discriminator 1))
[   30.215516][  T411]  ? rtnl_link_get_size (net/core/rtnetlink.c:747)
[   30.215517][  T411]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:388 kernel/rcu/update.c:380)
[   30.215520][  T411]  ? stack_depot_save_flags (lib/stackdepot.c:609 (discriminator 2) lib/stackdepot.c:676 (discriminator 2))
[   30.215523][  T411]  ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4116 (discriminator 3) kernel/rcu/tree.c:4108 (discriminator 3))
[   30.215525][  T411]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380)
[   30.215527][  T411]  ? validate_chain (kernel/locking/lockdep.c:3817 (discriminator 2) kernel/locking/lockdep.c:3837 (discriminator 2) kernel/locking/lockdep.c:3892 (discriminator 2))
[   30.215530][  T411]  ? kasan_save_stack (mm/kasan/common.c:58)
[   30.215533][  T411]  ? kasan_save_stack (mm/kasan/common.c:57)
[   30.215535][  T411]  ? kasan_save_track (mm/kasan/common.c:78)
[   30.215538][  T411]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   30.215540][  T411]  ? netlink_update_listeners (net/netlink/af_netlink.c:532)
[   30.215543][  T411]  ? ___sys_sendmsg (net/socket.c:2744 net/socket.c:2763)
[   30.215548][  T411]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2))
[   30.215550][  T411]  ? rtnl_newlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:366 net/core/rtnetlink.c:4214)
[   30.215553][  T411]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   30.215555][  T411]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   30.215557][  T411]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   30.215558][  T411]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   30.215560][  T411]  ? trace_contention_end (./include/trace/events/lock.h:121 (discriminator 22))
[   30.215562][  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)
[   30.215566][  T411]  ? __mutex_lock (kernel/locking/mutex.c:656 (discriminator 1) kernel/locking/mutex.c:821 (discriminator 1))
[   30.215568][  T411]  ? rtnl_newlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:366 net/core/rtnetlink.c:4214)
[   30.215571][  T411]  ? ww_mutex_lock (kernel/locking/mutex.c:934)
[   30.215573][  T411]  ? nla_get_range_signed (lib/nlattr.c:270)
[   30.215579][  T411]  ? __rtnl_newlink (net/core/rtnetlink.c:4063)
[   30.215584][  T411]  rtnl_newlink (net/core/rtnetlink.c:4215)
[   30.215590][  T411]  ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558)
[   30.215592][  T411]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   30.215596][  T411]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2))
[   30.215598][  T411]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[   30.215601][  T411]  ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558)
[   30.215602][  T411]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554)
[   30.215606][  T411]  ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558)
[   30.215608][  T411]  rtnetlink_rcv_msg (net/core/rtnetlink.c:7132)
[   30.215612][  T411]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   30.215613][  T411]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   30.215618][  T411]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2))
[   30.215620][  T411]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[   30.215623][  T411]  netlink_rcv_skb (net/netlink/af_netlink.c:2556)
[   30.215625][  T411]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   30.215628][  T411]  ? netlink_ack (./include/linux/skbuff.h:2718)
[   30.215634][  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))
[   30.215636][  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))
[   30.215640][  T411]  netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[   30.215644][  T411]  ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[   30.215647][  T411]  ? __lock_acquire (kernel/locking/lockdep.c:5251 (discriminator 3))
[   30.215651][  T411]  netlink_sendmsg (net/netlink/af_netlink.c:1900)
[   30.215655][  T411]  ? netlink_unicast (./include/net/net_namespace.h:422 (discriminator 7))
[   30.215656][  T411]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554)
[   30.215659][  T411]  ? __might_fault (mm/memory.c:7482 (discriminator 5))
[   30.215663][  T411]  ? __might_fault (mm/memory.c:7482 (discriminator 5))
[   30.215667][  T411]  ____sys_sendmsg (net/socket.c:800 (discriminator 4) net/socket.c:815 (discriminator 4) net/socket.c:2713 (discriminator 4))
[   30.215669][  T411]  ? copy_msghdr_from_user (net/socket.c:2650)
[   30.215671][  T411]  ? get_timestamp.constprop.0 (./include/linux/netdevice.h:5399)
[   30.215673][  T411]  ? move_addr_to_kernel (./include/linux/audit.h:354 (discriminator 1))
[   30.215680][  T411]  ___sys_sendmsg (net/socket.c:2767)
[   30.215683][  T411]  ? copy_msghdr_from_user (net/socket.c:2619)
[   30.215699][  T411]  __sys_sendmsg (net/socket.c:2799)
[   30.215702][  T411]  ? __sys_sendmsg_sock (net/socket.c:2780)
[   30.215709][  T411]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   30.215712][  T411]  do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84)
[   30.215714][  T411]  ? exc_page_fault (arch/x86/mm/fault.c:1489 (discriminator 3) arch/x86/mm/fault.c:1536 (discriminator 3))
[   30.215718][  T411]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[   30.215720][  T411] RIP: 0033:0x7fcbe0b1454e
[   30.215724][  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
[   30.215726][  T411] RSP: 002b:00007ffe75d453c0 EFLAGS: 00000202 ORIG_RAX: 000000000000002e
[   30.215728][  T411] RAX: ffffffffffffffda RBX: 0000000000000003 RCX: 00007fcbe0b1454e
[   30.215730][  T411] RDX: 0000000000000000 RSI: 00007ffe75d45470 RDI: 0000000000000005
[   30.215731][  T411] RBP: 00007ffe75d453d0 R08: 0000000000000000 R09: 0000000000000000
[   30.215732][  T411] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a918d6c
[   30.215732][  T411] R13: 00000000004a1620 R14: 0000000000000000 R15: 00007ffe75d45b40
| [   31.312436][  T420] softirqs last disabled at (24728): netif_change_name (./include/linux/spinlock.h:353 ./include/linux/seqlock.h:908 net/core/dev.c:1499)
| [   31.312439][  T420] Preemption disabled at:
| [   31.312439][  T420] vprintk_emit (kernel/printk/printk.c:2471)
| [   31.312448][  T420] Tainted: [W]=WARN
[   31.312449][  T420] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   31.312451][  T420] Call Trace:
[   31.312452][  T420]  <TASK>
[   31.312454][  T420]  dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120)
[   31.312465][  T420]  ? vprintk_emit (kernel/printk/printk.c:2471)
[   31.312467][  T420]  __might_resched.cold (kernel/sched/core.c:9234)
[   31.312471][  T420]  ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3))
[   31.312475][  T420]  ? __kmalloc_noprof (./include/linux/sched/mm.h:317 mm/slub.c:4636 mm/slub.c:4974 mm/slub.c:5413 mm/slub.c:5439)
[   31.312480][  T420]  __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))
[   31.312482][  T420]  ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[   31.312488][  T420]  ? 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)
[   31.312491][  T420]  alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[   31.312495][  T420]  put_chars (drivers/char/virtio_console.c:1176)
[   31.312497][  T420]  ? __send_to_port (drivers/char/virtio_console.c:654)
[   31.312501][  T420]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380)
[   31.312504][  T420]  ? validate_chain (kernel/locking/lockdep.c:3817 (discriminator 2) kernel/locking/lockdep.c:3837 (discriminator 2) kernel/locking/lockdep.c:3892 (discriminator 2))
[   31.312509][  T420]  hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2))
[   31.312512][  T420]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   31.312514][  T420]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   31.312519][  T420]  ? hvc_write (drivers/tty/hvc/hvc_console.c:501)
[   31.312522][  T420]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   31.312525][  T420]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   31.312529][  T420]  console_emit_next_record (kernel/printk/printk.c:3183)
[   31.312532][  T420]  ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20)
[   31.312534][  T420]  ? 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))
[   31.312536][  T420]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   31.312538][  T420]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   31.312544][  T420]  console_flush_one_record (kernel/printk/printk.c:3268)
[   31.312549][  T420]  ? console_emit_next_record (kernel/printk/printk.c:3150)
[   31.312550][  T420]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   31.312555][  T420]  console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420)
[   31.312557][  T420]  ? console_flush_one_record (kernel/printk/printk.c:3316)
[   31.312559][  T420]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   31.312561][  T420]  ? lock_acquire (kernel/locking/lockdep.c:5913)
[   31.312564][  T420]  ? __down_trylock_console_sem (kernel/printk/printk.c:334)
[   31.312566][  T420]  ? vprintk_emit (kernel/printk/printk.c:2478)
[   31.312569][  T420]  vprintk_emit (kernel/printk/printk.c:2479)
[   31.312572][  T420]  ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126))
[   31.312574][  T420]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   31.312576][  T420]  ? 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))
[   31.312578][  T420]  ? find_held_lock (kernel/locking/lockdep.c:5360)
[   31.312582][  T420]  _printk (kernel/printk/printk.c:2504)
[   31.312586][  T420]  ? snapshot_read.cold (user.c:?)
[   31.312587][  T420]  ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4116 (discriminator 3) kernel/rcu/tree.c:4108 (discriminator 3))
[   31.312590][  T420]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380)
[   31.312592][  T420]  ? validate_chain (kernel/locking/lockdep.c:3817 (discriminator 2) kernel/locking/lockdep.c:3837 (discriminator 2) kernel/locking/lockdep.c:3892 (discriminator 2))
[   31.312594][  T420]  ? netdev_name (./include/linux/netdevice.h:5709 (discriminator 1))
[   31.312598][  T420]  ? __netdev_printk (net/core/dev.c:13148 (discriminator 2))
[   31.312600][  T420]  ? do_setlink.isra.0 (net/core/rtnetlink.c:3246)
[   31.312602][  T420]  netdev_info (net/core/dev.c:13195 (discriminator 3))
[   31.312605][  T420]  ? netdev_notice (net/core/dev.c:13194)
[   31.312608][  T420]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[   31.312611][  T420]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554)
[   31.312613][  T420]  ? mark_held_locks (kernel/locking/lockdep.c:4341)
[   31.312617][  T420]  ? do_setlink.isra.0 (net/core/rtnetlink.c:3246)
[   31.312619][  T420]  netif_change_name.cold (net/core/dev.c:1507 (discriminator 3))
[   31.312622][  T420]  ? 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))
[   31.312628][  T420]  ? netdev_adjacent_rename_links (net/core/dev.c:9598)
[   31.312631][  T420]  ? __kernel_text_address (kernel/extable.c:79)
[   31.312634][  T420]  ? write_profile (profile.c:?)
[   31.312638][  T420]  ? __asan_memset (mm/kasan/shadow.c:84 (discriminator 1))
[   31.312643][  T420]  do_setlink.isra.0 (net/core/rtnetlink.c:3246)
[   31.312647][  T420]  ? stack_trace_save (kernel/stacktrace.c:122 (discriminator 1))
[   31.312649][  T420]  ? rtnl_link_get_size (net/core/rtnetlink.c:747)
[   31.312651][  T420]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:388 kernel/rcu/update.c:380)
[   31.312653][  T420]  ? stack_depot_save_flags (lib/stackdepot.c:609 (discriminator 2) lib/stackdepot.c:676 (discriminator 2))
[   31.312656][  T420]  ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4116 (discriminator 3) kernel/rcu/tree.c:4108 (discriminator 3))
[   31.312659][  T420]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380)
[   31.312661][  T420]  ? validate_chain (kernel/locking/lockdep.c:3817 (discriminator 2) kernel/locking/lockdep.c:3837 (discriminator 2) kernel/locking/lockdep.c:3892 (discriminator 2))
[   31.312663][  T420]  ? kasan_save_stack (mm/kasan/common.c:58)
[   31.312666][  T420]  ? kasan_save_stack (mm/kasan/common.c:57)
[   31.312668][  T420]  ? kasan_save_track (mm/kasan/common.c:78)
[   31.312671][  T420]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   31.312673][  T420]  ? netlink_update_listeners (net/netlink/af_netlink.c:532)
[   31.312676][  T420]  ? ___sys_sendmsg (net/socket.c:2744 net/socket.c:2763)
[   31.312681][  T420]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2))
[   31.312683][  T420]  ? rtnl_newlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:366 net/core/rtnetlink.c:4214)
[   31.312685][  T420]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   31.312687][  T420]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   31.312689][  T420]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   31.312690][  T420]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   31.312692][  T420]  ? trace_contention_end (./include/trace/events/lock.h:121 (discriminator 22))
[   31.312695][  T420]  ? __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)
[   31.312698][  T420]  ? __mutex_lock (kernel/locking/mutex.c:656 (discriminator 1) kernel/locking/mutex.c:821 (discriminator 1))
[   31.312700][  T420]  ? rtnl_newlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:366 net/core/rtnetlink.c:4214)
[   31.312704][  T420]  ? ww_mutex_lock (kernel/locking/mutex.c:934)
[   31.312706][  T420]  ? nla_get_range_signed (lib/nlattr.c:270)
[   31.312712][  T420]  ? __rtnl_newlink (net/core/rtnetlink.c:4063)
[   31.312717][  T420]  rtnl_newlink (net/core/rtnetlink.c:4215)
[   31.312722][  T420]  ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558)
[   31.312724][  T420]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   31.312728][  T420]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2))
[   31.312730][  T420]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[   31.312732][  T420]  ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558)
[   31.312734][  T420]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554)
[   31.312738][  T420]  ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558)
[   31.312740][  T420]  rtnetlink_rcv_msg (net/core/rtnetlink.c:7132)
[   31.312743][  T420]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   31.312745][  T420]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   31.312749][  T420]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2))
[   31.312751][  T420]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[   31.312755][  T420]  netlink_rcv_skb (net/netlink/af_netlink.c:2556)
[   31.312757][  T420]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   31.312759][  T420]  ? netlink_ack (./include/linux/skbuff.h:2718)
[   31.312765][  T420]  ? 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))
[   31.312767][  T420]  ? 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))
[   31.312771][  T420]  netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[   31.312775][  T420]  ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[   31.312778][  T420]  ? __lock_acquire (kernel/locking/lockdep.c:5251 (discriminator 3))
[   31.312782][  T420]  netlink_sendmsg (net/netlink/af_netlink.c:1900)
[   31.312785][  T420]  ? netlink_unicast (./include/net/net_namespace.h:422 (discriminator 7))
[   31.312787][  T420]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554)
[   31.312790][  T420]  ? __might_fault (mm/memory.c:7482 (discriminator 5))
[   31.312794][  T420]  ? __might_fault (mm/memory.c:7482 (discriminator 5))
[   31.312798][  T420]  ____sys_sendmsg (net/socket.c:800 (discriminator 4) net/socket.c:815 (discriminator 4) net/socket.c:2713 (discriminator 4))
[   31.312800][  T420]  ? copy_msghdr_from_user (net/socket.c:2650)
[   31.312802][  T420]  ? get_timestamp.constprop.0 (./include/linux/netdevice.h:5399)
[   31.312804][  T420]  ? move_addr_to_kernel (./include/linux/audit.h:354 (discriminator 1))
[   31.312811][  T420]  ___sys_sendmsg (net/socket.c:2767)
[   31.312813][  T420]  ? copy_msghdr_from_user (net/socket.c:2619)
[   31.312829][  T420]  __sys_sendmsg (net/socket.c:2799)
[   31.312832][  T420]  ? __sys_sendmsg_sock (net/socket.c:2780)
[   31.312838][  T420]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   31.312842][  T420]  do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84)
[   31.312844][  T420]  ? exc_page_fault (arch/x86/mm/fault.c:1489 (discriminator 3) arch/x86/mm/fault.c:1536 (discriminator 3))
[   31.312847][  T420]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[   31.312850][  T420] RIP: 0033:0x7f11c972754e
[   31.312853][  T420] 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
[   31.312855][  T420] RSP: 002b:00007fff9af45d50 EFLAGS: 00000202 ORIG_RAX: 000000000000002e
[   31.312858][  T420] RAX: ffffffffffffffda RBX: 0000000000000003 RCX: 00007f11c972754e
[   31.312859][  T420] RDX: 0000000000000000 RSI: 00007fff9af45e00 RDI: 0000000000000005
[   31.312860][  T420] RBP: 00007fff9af45d60 R08: 0000000000000000 R09: 0000000000000000
[   31.312861][  T420] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a918d6d
[   31.312862][  T420] R13: 00000000004a1620 R14: 0000000000000000 R15: 00007fff9af464d0
| [   32.319646][  T430] softirqs last disabled at (17910): netif_change_name (./include/linux/spinlock.h:353 ./include/linux/seqlock.h:908 net/core/dev.c:1499)
| [   32.319649][  T430] Preemption disabled at:
| [   32.319650][  T430] vprintk_emit (kernel/printk/printk.c:2471)
| [   32.319658][  T430] Tainted: [W]=WARN
[   32.319659][  T430] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   32.319661][  T430] Call Trace:
[   32.319662][  T430]  <TASK>
[   32.319663][  T430]  dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120)
[   32.319669][  T430]  ? vprintk_emit (kernel/printk/printk.c:2471)
[   32.319670][  T430]  __might_resched.cold (kernel/sched/core.c:9234)
[   32.319675][  T430]  ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3))
[   32.319678][  T430]  ? __kmalloc_noprof (./include/linux/sched/mm.h:317 mm/slub.c:4636 mm/slub.c:4974 mm/slub.c:5413 mm/slub.c:5439)
[   32.319684][  T430]  __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))
[   32.319686][  T430]  ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[   32.319693][  T430]  ? 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)
[   32.319696][  T430]  alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[   32.319699][  T430]  put_chars (drivers/char/virtio_console.c:1176)
[   32.319702][  T430]  ? __send_to_port (drivers/char/virtio_console.c:654)
[   32.319706][  T430]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380)
[   32.319709][  T430]  ? validate_chain (kernel/locking/lockdep.c:3817 (discriminator 2) kernel/locking/lockdep.c:3837 (discriminator 2) kernel/locking/lockdep.c:3892 (discriminator 2))
[   32.319714][  T430]  hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2))
[   32.319718][  T430]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   32.319719][  T430]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   32.319724][  T430]  ? hvc_write (drivers/tty/hvc/hvc_console.c:501)
[   32.319728][  T430]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   32.319731][  T430]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   32.319735][  T430]  console_emit_next_record (kernel/printk/printk.c:3183)
[   32.319739][  T430]  ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20)
[   32.319740][  T430]  ? 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))
[   32.319743][  T430]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   32.319745][  T430]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   32.319749][  T430]  console_flush_one_record (kernel/printk/printk.c:3268)
[   32.319753][  T430]  ? console_emit_next_record (kernel/printk/printk.c:3150)
[   32.319754][  T430]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   32.319760][  T430]  console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420)
[   32.319762][  T430]  ? console_flush_one_record (kernel/printk/printk.c:3316)
[   32.319764][  T430]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   32.319765][  T430]  ? lock_acquire (kernel/locking/lockdep.c:5913)
[   32.319769][  T430]  ? __down_trylock_console_sem (kernel/printk/printk.c:334)
[   32.319771][  T430]  ? vprintk_emit (kernel/printk/printk.c:2478)
[   32.319774][  T430]  vprintk_emit (kernel/printk/printk.c:2479)
[   32.319778][  T430]  ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126))
[   32.319780][  T430]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   32.319782][  T430]  ? 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))
[   32.319784][  T430]  ? find_held_lock (kernel/locking/lockdep.c:5360)
[   32.319788][  T430]  _printk (kernel/printk/printk.c:2504)
[   32.319792][  T430]  ? snapshot_read.cold (user.c:?)
[   32.319793][  T430]  ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4116 (discriminator 3) kernel/rcu/tree.c:4108 (discriminator 3))
[   32.319796][  T430]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380)
[   32.319798][  T430]  ? validate_chain (kernel/locking/lockdep.c:3817 (discriminator 2) kernel/locking/lockdep.c:3837 (discriminator 2) kernel/locking/lockdep.c:3892 (discriminator 2))
[   32.319801][  T430]  ? netdev_name (./include/linux/netdevice.h:5709 (discriminator 1))
[   32.319804][  T430]  ? __netdev_printk (net/core/dev.c:13148 (discriminator 2))
[   32.319807][  T430]  ? do_setlink.isra.0 (net/core/rtnetlink.c:3246)
[   32.319809][  T430]  netdev_info (net/core/dev.c:13195 (discriminator 3))
[   32.319812][  T430]  ? netdev_notice (net/core/dev.c:13194)
[   32.319815][  T430]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[   32.319818][  T430]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554)
[   32.319820][  T430]  ? mark_held_locks (kernel/locking/lockdep.c:4341)
[   32.319824][  T430]  ? do_setlink.isra.0 (net/core/rtnetlink.c:3246)
[   32.319826][  T430]  netif_change_name.cold (net/core/dev.c:1507 (discriminator 3))
[   32.319830][  T430]  ? 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))
[   32.319836][  T430]  ? netdev_adjacent_rename_links (net/core/dev.c:9598)
[   32.319839][  T430]  ? __kernel_text_address (kernel/extable.c:79)
[   32.319842][  T430]  ? write_profile (profile.c:?)
[   32.319846][  T430]  ? __asan_memset (mm/kasan/shadow.c:84 (discriminator 1))
[   32.319851][  T430]  do_setlink.isra.0 (net/core/rtnetlink.c:3246)
[   32.319856][  T430]  ? stack_trace_save (kernel/stacktrace.c:122 (discriminator 1))
[   32.319858][  T430]  ? rtnl_link_get_size (net/core/rtnetlink.c:747)
[   32.319860][  T430]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:388 kernel/rcu/update.c:380)
[   32.319862][  T430]  ? stack_depot_save_flags (lib/stackdepot.c:609 (discriminator 2) lib/stackdepot.c:676 (discriminator 2))
[   32.319865][  T430]  ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4116 (discriminator 3) kernel/rcu/tree.c:4108 (discriminator 3))
[   32.319868][  T430]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380)
[   32.319870][  T430]  ? validate_chain (kernel/locking/lockdep.c:3817 (discriminator 2) kernel/locking/lockdep.c:3837 (discriminator 2) kernel/locking/lockdep.c:3892 (discriminator 2))
[   32.319873][  T430]  ? kasan_save_stack (mm/kasan/common.c:58)
[   32.319875][  T430]  ? kasan_save_stack (mm/kasan/common.c:57)
[   32.319877][  T430]  ? kasan_save_track (mm/kasan/common.c:78)
[   32.319880][  T430]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   32.319882][  T430]  ? netlink_update_listeners (net/netlink/af_netlink.c:532)
[   32.319885][  T430]  ? ___sys_sendmsg (net/socket.c:2744 net/socket.c:2763)
[   32.319890][  T430]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2))
[   32.319892][  T430]  ? rtnl_newlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:366 net/core/rtnetlink.c:4214)
[   32.319895][  T430]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   32.319897][  T430]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   32.319899][  T430]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   32.319900][  T430]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   32.319902][  T430]  ? trace_contention_end (./include/trace/events/lock.h:121 (discriminator 22))
[   32.319904][  T430]  ? __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)
[   32.319907][  T430]  ? __mutex_lock (kernel/locking/mutex.c:656 (discriminator 1) kernel/locking/mutex.c:821 (discriminator 1))
[   32.319910][  T430]  ? rtnl_newlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:366 net/core/rtnetlink.c:4214)
[   32.319913][  T430]  ? ww_mutex_lock (kernel/locking/mutex.c:934)
[   32.319915][  T430]  ? nla_get_range_signed (lib/nlattr.c:270)
[   32.319921][  T430]  ? __rtnl_newlink (net/core/rtnetlink.c:4063)
[   32.319927][  T430]  rtnl_newlink (net/core/rtnetlink.c:4215)
[   32.319933][  T430]  ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558)
[   32.319935][  T430]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   32.319940][  T430]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2))
[   32.319942][  T430]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[   32.319944][  T430]  ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558)
[   32.319946][  T430]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554)
[   32.319950][  T430]  ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558)
[   32.319952][  T430]  rtnetlink_rcv_msg (net/core/rtnetlink.c:7132)
[   32.319955][  T430]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   32.319957][  T430]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   32.319962][  T430]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2))
[   32.319964][  T430]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[   32.319968][  T430]  netlink_rcv_skb (net/netlink/af_netlink.c:2556)
[   32.319970][  T430]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   32.319973][  T430]  ? netlink_ack (./include/linux/skbuff.h:2718)
[   32.319979][  T430]  ? 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))
[   32.319981][  T430]  ? 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))
[   32.319986][  T430]  netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[   32.319989][  T430]  ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[   32.319992][  T430]  ? __lock_acquire (kernel/locking/lockdep.c:5251 (discriminator 3))
[   32.319997][  T430]  netlink_sendmsg (net/netlink/af_netlink.c:1900)
[   32.320001][  T430]  ? netlink_unicast (./include/net/net_namespace.h:422 (discriminator 7))
[   32.320002][  T430]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554)
[   32.320006][  T430]  ? __might_fault (mm/memory.c:7482 (discriminator 5))
[   32.320009][  T430]  ? __might_fault (mm/memory.c:7482 (discriminator 5))
[   32.320014][  T430]  ____sys_sendmsg (net/socket.c:800 (discriminator 4) net/socket.c:815 (discriminator 4) net/socket.c:2713 (discriminator 4))
[   32.320016][  T430]  ? copy_msghdr_from_user (net/socket.c:2650)
[   32.320018][  T430]  ? get_timestamp.constprop.0 (./include/linux/netdevice.h:5399)
[   32.320020][  T430]  ? move_addr_to_kernel (./include/linux/audit.h:354 (discriminator 1))
[   32.320028][  T430]  ___sys_sendmsg (net/socket.c:2767)
[   32.320031][  T430]  ? copy_msghdr_from_user (net/socket.c:2619)
[   32.320048][  T430]  __sys_sendmsg (net/socket.c:2799)
[   32.320054][  T430]  ? __sys_sendmsg_sock (net/socket.c:2780)
[   32.320061][  T430]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   32.320064][  T430]  do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84)
[   32.320067][  T430]  ? exc_page_fault (arch/x86/mm/fault.c:1489 (discriminator 3) arch/x86/mm/fault.c:1536 (discriminator 3))
[   32.320070][  T430]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[   32.320072][  T430] RIP: 0033:0x7fef91cb654e
[   32.320076][  T430] 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
[   32.320078][  T430] RSP: 002b:00007ffda4cf93c0 EFLAGS: 00000202 ORIG_RAX: 000000000000002e
[   32.320081][  T430] RAX: ffffffffffffffda RBX: 0000000000000003 RCX: 00007fef91cb654e
[   32.320082][  T430] RDX: 0000000000000000 RSI: 00007ffda4cf9470 RDI: 0000000000000005
[   32.320083][  T430] RBP: 00007ffda4cf93d0 R08: 0000000000000000 R09: 0000000000000000
[   32.320084][  T430] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a918d6e
[   32.320085][  T430] R13: 00000000004a1620 R14: 0000000000000000 R15: 00007ffda4cf9b40
| [   33.377621][  T439] softirqs last disabled at (19772): netif_change_name (./include/linux/spinlock.h:353 ./include/linux/seqlock.h:908 net/core/dev.c:1499)
| [   33.377624][  T439] Preemption disabled at:
| [   33.377624][  T439] vprintk_emit (kernel/printk/printk.c:2471)
| [   33.377633][  T439] Tainted: [W]=WARN
[   33.377634][  T439] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   33.377636][  T439] Call Trace:
[   33.377638][  T439]  <TASK>
[   33.377639][  T439]  dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120)
[   33.377644][  T439]  ? vprintk_emit (kernel/printk/printk.c:2471)
[   33.377646][  T439]  __might_resched.cold (kernel/sched/core.c:9234)
[   33.377651][  T439]  ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3))
[   33.377654][  T439]  ? __kmalloc_noprof (./include/linux/sched/mm.h:317 mm/slub.c:4636 mm/slub.c:4974 mm/slub.c:5413 mm/slub.c:5439)
[   33.377659][  T439]  __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))
[   33.377662][  T439]  ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[   33.377668][  T439]  ? 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)
[   33.377671][  T439]  alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[   33.377675][  T439]  put_chars (drivers/char/virtio_console.c:1176)
[   33.377678][  T439]  ? __send_to_port (drivers/char/virtio_console.c:654)
[   33.377681][  T439]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380)
[   33.377685][  T439]  ? validate_chain (kernel/locking/lockdep.c:3817 (discriminator 2) kernel/locking/lockdep.c:3837 (discriminator 2) kernel/locking/lockdep.c:3892 (discriminator 2))
[   33.377690][  T439]  hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2))
[   33.377694][  T439]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   33.377696][  T439]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   33.377700][  T439]  ? hvc_write (drivers/tty/hvc/hvc_console.c:501)
[   33.377704][  T439]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   33.377707][  T439]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   33.377711][  T439]  console_emit_next_record (kernel/printk/printk.c:3183)
[   33.377715][  T439]  ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20)
[   33.377716][  T439]  ? 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))
[   33.377719][  T439]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   33.377721][  T439]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   33.377725][  T439]  console_flush_one_record (kernel/printk/printk.c:3268)
[   33.377729][  T439]  ? console_emit_next_record (kernel/printk/printk.c:3150)
[   33.377730][  T439]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   33.377736][  T439]  console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420)
[   33.377738][  T439]  ? console_flush_one_record (kernel/printk/printk.c:3316)
[   33.377740][  T439]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   33.377742][  T439]  ? lock_acquire (kernel/locking/lockdep.c:5913)
[   33.377746][  T439]  ? __down_trylock_console_sem (kernel/printk/printk.c:334)
[   33.377748][  T439]  ? vprintk_emit (kernel/printk/printk.c:2478)
[   33.377751][  T439]  vprintk_emit (kernel/printk/printk.c:2479)
[   33.377754][  T439]  ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126))
[   33.377756][  T439]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   33.377758][  T439]  ? 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))
[   33.377760][  T439]  ? find_held_lock (kernel/locking/lockdep.c:5360)
[   33.377764][  T439]  _printk (kernel/printk/printk.c:2504)
[   33.377768][  T439]  ? snapshot_read.cold (user.c:?)
[   33.377770][  T439]  ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4116 (discriminator 3) kernel/rcu/tree.c:4108 (discriminator 3))
[   33.377773][  T439]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380)
[   33.377775][  T439]  ? validate_chain (kernel/locking/lockdep.c:3817 (discriminator 2) kernel/locking/lockdep.c:3837 (discriminator 2) kernel/locking/lockdep.c:3892 (discriminator 2))
[   33.377777][  T439]  ? netdev_name (./include/linux/netdevice.h:5709 (discriminator 1))
[   33.377781][  T439]  ? __netdev_printk (net/core/dev.c:13148 (discriminator 2))
[   33.377783][  T439]  ? do_setlink.isra.0 (net/core/rtnetlink.c:3246)
[   33.377785][  T439]  netdev_info (net/core/dev.c:13195 (discriminator 3))
[   33.377788][  T439]  ? netdev_notice (net/core/dev.c:13194)
[   33.377791][  T439]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[   33.377794][  T439]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554)
[   33.377797][  T439]  ? mark_held_locks (kernel/locking/lockdep.c:4341)
[   33.377800][  T439]  ? do_setlink.isra.0 (net/core/rtnetlink.c:3246)
[   33.377802][  T439]  netif_change_name.cold (net/core/dev.c:1507 (discriminator 3))
[   33.377806][  T439]  ? 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))
[   33.377812][  T439]  ? netdev_adjacent_rename_links (net/core/dev.c:9598)
[   33.377815][  T439]  ? __kernel_text_address (kernel/extable.c:79)
[   33.377818][  T439]  ? write_profile (profile.c:?)
[   33.377822][  T439]  ? __asan_memset (mm/kasan/shadow.c:84 (discriminator 1))
[   33.377827][  T439]  do_setlink.isra.0 (net/core/rtnetlink.c:3246)
[   33.377832][  T439]  ? stack_trace_save (kernel/stacktrace.c:122 (discriminator 1))
[   33.377834][  T439]  ? rtnl_link_get_size (net/core/rtnetlink.c:747)
[   33.377835][  T439]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:388 kernel/rcu/update.c:380)
[   33.377837][  T439]  ? stack_depot_save_flags (lib/stackdepot.c:609 (discriminator 2) lib/stackdepot.c:676 (discriminator 2))
[   33.377841][  T439]  ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4116 (discriminator 3) kernel/rcu/tree.c:4108 (discriminator 3))
[   33.377843][  T439]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380)
[   33.377845][  T439]  ? validate_chain (kernel/locking/lockdep.c:3817 (discriminator 2) kernel/locking/lockdep.c:3837 (discriminator 2) kernel/locking/lockdep.c:3892 (discriminator 2))
[   33.377848][  T439]  ? kasan_save_stack (mm/kasan/common.c:58)
[   33.377851][  T439]  ? kasan_save_stack (mm/kasan/common.c:57)
[   33.377852][  T439]  ? kasan_save_track (mm/kasan/common.c:78)
[   33.377855][  T439]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   33.377858][  T439]  ? netlink_update_listeners (net/netlink/af_netlink.c:532)
[   33.377860][  T439]  ? ___sys_sendmsg (net/socket.c:2744 net/socket.c:2763)
[   33.377865][  T439]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2))
[   33.377867][  T439]  ? rtnl_newlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:366 net/core/rtnetlink.c:4214)
[   33.377870][  T439]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   33.377872][  T439]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   33.377874][  T439]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   33.377875][  T439]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   33.377877][  T439]  ? trace_contention_end (./include/trace/events/lock.h:121 (discriminator 22))
[   33.377880][  T439]  ? __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)
[   33.377883][  T439]  ? __mutex_lock (kernel/locking/mutex.c:656 (discriminator 1) kernel/locking/mutex.c:821 (discriminator 1))
[   33.377886][  T439]  ? rtnl_newlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:366 net/core/rtnetlink.c:4214)
[   33.377889][  T439]  ? ww_mutex_lock (kernel/locking/mutex.c:934)
[   33.377891][  T439]  ? nla_get_range_signed (lib/nlattr.c:270)
[   33.377897][  T439]  ? __rtnl_newlink (net/core/rtnetlink.c:4063)
[   33.377903][  T439]  rtnl_newlink (net/core/rtnetlink.c:4215)
[   33.377909][  T439]  ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558)
[   33.377911][  T439]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   33.377915][  T439]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2))
[   33.377918][  T439]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[   33.377920][  T439]  ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558)
[   33.377922][  T439]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554)
[   33.377926][  T439]  ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558)
[   33.377928][  T439]  rtnetlink_rcv_msg (net/core/rtnetlink.c:7132)
[   33.377931][  T439]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   33.377932][  T439]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   33.377937][  T439]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2))
[   33.377939][  T439]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[   33.377943][  T439]  netlink_rcv_skb (net/netlink/af_netlink.c:2556)
[   33.377945][  T439]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   33.377948][  T439]  ? netlink_ack (./include/linux/skbuff.h:2718)
[   33.377955][  T439]  ? 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))
[   33.377956][  T439]  ? 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))
[   33.377960][  T439]  netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[   33.377964][  T439]  ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[   33.377967][  T439]  ? __lock_acquire (kernel/locking/lockdep.c:5251 (discriminator 3))
[   33.377972][  T439]  netlink_sendmsg (net/netlink/af_netlink.c:1900)
[   33.377975][  T439]  ? netlink_unicast (./include/net/net_namespace.h:422 (discriminator 7))
[   33.377977][  T439]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554)
[   33.377980][  T439]  ? __might_fault (mm/memory.c:7482 (discriminator 5))
[   33.377984][  T439]  ? __might_fault (mm/memory.c:7482 (discriminator 5))
[   33.377988][  T439]  ____sys_sendmsg (net/socket.c:800 (discriminator 4) net/socket.c:815 (discriminator 4) net/socket.c:2713 (discriminator 4))
[   33.377990][  T439]  ? copy_msghdr_from_user (net/socket.c:2650)
[   33.377993][  T439]  ? get_timestamp.constprop.0 (./include/linux/netdevice.h:5399)
[   33.377994][  T439]  ? move_addr_to_kernel (./include/linux/audit.h:354 (discriminator 1))
[   33.378002][  T439]  ___sys_sendmsg (net/socket.c:2767)
[   33.378005][  T439]  ? copy_msghdr_from_user (net/socket.c:2619)
[   33.378022][  T439]  __sys_sendmsg (net/socket.c:2799)
[   33.378025][  T439]  ? __sys_sendmsg_sock (net/socket.c:2780)
[   33.378032][  T439]  ? 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)
[   33.378035][  T439]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   33.378038][  T439]  do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84)
[   33.378041][  T439]  ? exc_page_fault (arch/x86/mm/fault.c:1489 (discriminator 3) arch/x86/mm/fault.c:1536 (discriminator 3))
[   33.378044][  T439]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[   33.378046][  T439] RIP: 0033:0x7effad82f54e
[   33.378050][  T439] 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
[   33.378054][  T439] RSP: 002b:00007fff3beb3150 EFLAGS: 00000202 ORIG_RAX: 000000000000002e
[   33.378057][  T439] RAX: ffffffffffffffda RBX: 0000000000000003 RCX: 00007effad82f54e
[   33.378059][  T439] RDX: 0000000000000000 RSI: 00007fff3beb3200 RDI: 0000000000000005
[   33.378060][  T439] RBP: 00007fff3beb3160 R08: 0000000000000000 R09: 0000000000000000
[   33.378060][  T439] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a918d6f
[   33.378061][  T439] R13: 00000000004a1620 R14: 0000000000000000 R15: 00007fff3beb38d0
| [   34.437151][  T450] softirqs last disabled at (25856): netif_change_name (./include/linux/spinlock.h:353 ./include/linux/seqlock.h:908 net/core/dev.c:1499)
| [   34.437153][  T450] Preemption disabled at:
| [   34.437154][  T450] vprintk_emit (kernel/printk/printk.c:2471)
| [   34.437163][  T450] Tainted: [W]=WARN
[   34.437164][  T450] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   34.437166][  T450] Call Trace:
[   34.437167][  T450]  <TASK>
[   34.437169][  T450]  dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120)
[   34.437174][  T450]  ? vprintk_emit (kernel/printk/printk.c:2471)
[   34.437176][  T450]  __might_resched.cold (kernel/sched/core.c:9234)
[   34.437181][  T450]  ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3))
[   34.437184][  T450]  ? __kmalloc_noprof (./include/linux/sched/mm.h:317 mm/slub.c:4636 mm/slub.c:4974 mm/slub.c:5413 mm/slub.c:5439)
[   34.437189][  T450]  __kmalloc_noprof (./include/linux/sched/mm.h:322 (discriminator 2) mm/slub.c:4636 (discriminator 2) mm/slub.c:4974 (discriminator 2) mm/slub.c:5413 (discriminator 2) mm/slub.c:5439 (discriminator 2))
[   34.437192][  T450]  ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[   34.437198][  T450]  ? do_raw_spin_unlock (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:32 ./include/asm-generic/qspinlock.h:58 kernel/locking/spinlock_debug.c:101 kernel/locking/spinlock_debug.c:141)
[   34.437201][  T450]  alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[   34.437205][  T450]  put_chars (drivers/char/virtio_console.c:1176)
[   34.437208][  T450]  ? __send_to_port (drivers/char/virtio_console.c:654)
[   34.437212][  T450]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380)
[   34.437216][  T450]  ? validate_chain (kernel/locking/lockdep.c:3817 (discriminator 2) kernel/locking/lockdep.c:3837 (discriminator 2) kernel/locking/lockdep.c:3892 (discriminator 2))
[   34.437221][  T450]  hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2))
[   34.437224][  T450]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   34.437226][  T450]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   34.437231][  T450]  ? hvc_write (drivers/tty/hvc/hvc_console.c:501)
[   34.437235][  T450]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   34.437237][  T450]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   34.437242][  T450]  console_emit_next_record (kernel/printk/printk.c:3183)
[   34.437246][  T450]  ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20)
[   34.437247][  T450]  ? console_flush_one_record (./include/linux/rcupdate.h:314 (discriminator 2) ./include/linux/srcu.h:439 (discriminator 2) kernel/printk/printk.c:291 (discriminator 2) kernel/printk/printk.c:3246 (discriminator 2))
[   34.437250][  T450]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   34.437252][  T450]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   34.437256][  T450]  console_flush_one_record (kernel/printk/printk.c:3268)
[   34.437260][  T450]  ? console_emit_next_record (kernel/printk/printk.c:3150)
[   34.437262][  T450]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   34.437267][  T450]  console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420)
[   34.437270][  T450]  ? console_flush_one_record (kernel/printk/printk.c:3316)
[   34.437271][  T450]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   34.437273][  T450]  ? lock_acquire (kernel/locking/lockdep.c:5913)
[   34.437277][  T450]  ? __down_trylock_console_sem (kernel/printk/printk.c:334)
[   34.437279][  T450]  ? vprintk_emit (kernel/printk/printk.c:2478)
[   34.437282][  T450]  vprintk_emit (kernel/printk/printk.c:2479)
[   34.437286][  T450]  ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126))
[   34.437288][  T450]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   34.437290][  T450]  ? save_trace (kernel/locking/lockdep.c:154 (discriminator 6) kernel/locking/lockdep.c:150 (discriminator 6) kernel/locking/lockdep.c:202 (discriminator 6) kernel/locking/lockdep.c:577 (discriminator 6))
[   34.437292][  T450]  ? find_held_lock (kernel/locking/lockdep.c:5360)
[   34.437296][  T450]  _printk (kernel/printk/printk.c:2504)
[   34.437300][  T450]  ? snapshot_read.cold (user.c:?)
[   34.437301][  T450]  ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4116 (discriminator 3) kernel/rcu/tree.c:4108 (discriminator 3))
[   34.437304][  T450]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380)
[   34.437306][  T450]  ? validate_chain (kernel/locking/lockdep.c:3817 (discriminator 2) kernel/locking/lockdep.c:3837 (discriminator 2) kernel/locking/lockdep.c:3892 (discriminator 2))
[   34.437309][  T450]  ? netdev_name (./include/linux/netdevice.h:5709 (discriminator 1))
[   34.437312][  T450]  ? __netdev_printk (net/core/dev.c:13148 (discriminator 2))
[   34.437315][  T450]  ? do_setlink.isra.0 (net/core/rtnetlink.c:3246)
[   34.437317][  T450]  netdev_info (net/core/dev.c:13195 (discriminator 3))
[   34.437320][  T450]  ? netdev_notice (net/core/dev.c:13194)
[   34.437323][  T450]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[   34.437326][  T450]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554)
[   34.437329][  T450]  ? mark_held_locks (kernel/locking/lockdep.c:4341)
[   34.437333][  T450]  ? do_setlink.isra.0 (net/core/rtnetlink.c:3246)
[   34.437335][  T450]  netif_change_name.cold (net/core/dev.c:1507 (discriminator 3))
[   34.437338][  T450]  ? is_bpf_text_address (./include/linux/rcupdate.h:319 (discriminator 2) ./include/linux/rcupdate.h:880 (discriminator 2) kernel/bpf/core.c:751 (discriminator 2))
[   34.437344][  T450]  ? netdev_adjacent_rename_links (net/core/dev.c:9598)
[   34.437347][  T450]  ? __kernel_text_address (kernel/extable.c:79)
[   34.437350][  T450]  ? write_profile (profile.c:?)
[   34.437354][  T450]  ? __asan_memset (mm/kasan/shadow.c:84 (discriminator 1))
[   34.437359][  T450]  do_setlink.isra.0 (net/core/rtnetlink.c:3246)
[   34.437364][  T450]  ? stack_trace_save (kernel/stacktrace.c:122 (discriminator 1))
[   34.437367][  T450]  ? rtnl_link_get_size (net/core/rtnetlink.c:747)
[   34.437368][  T450]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:388 kernel/rcu/update.c:380)
[   34.437370][  T450]  ? stack_depot_save_flags (lib/stackdepot.c:609 (discriminator 2) lib/stackdepot.c:676 (discriminator 2))
[   34.437374][  T450]  ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4116 (discriminator 3) kernel/rcu/tree.c:4108 (discriminator 3))
[   34.437376][  T450]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380)
[   34.437378][  T450]  ? validate_chain (kernel/locking/lockdep.c:3817 (discriminator 2) kernel/locking/lockdep.c:3837 (discriminator 2) kernel/locking/lockdep.c:3892 (discriminator 2))
[   34.437381][  T450]  ? kasan_save_stack (mm/kasan/common.c:58)
[   34.437384][  T450]  ? kasan_save_stack (mm/kasan/common.c:57)
[   34.437386][  T450]  ? kasan_save_track (mm/kasan/common.c:78)
[   34.437389][  T450]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   34.437391][  T450]  ? netlink_update_listeners (net/netlink/af_netlink.c:532)
[   34.437394][  T450]  ? ___sys_sendmsg (net/socket.c:2744 net/socket.c:2763)
[   34.437399][  T450]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2))
[   34.437401][  T450]  ? rtnl_newlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:366 net/core/rtnetlink.c:4214)
[   34.437404][  T450]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   34.437406][  T450]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   34.437407][  T450]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   34.437409][  T450]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   34.437411][  T450]  ? trace_contention_end (./include/trace/events/lock.h:121 (discriminator 22))
[   34.437413][  T450]  ? __mutex_lock (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:3188 kernel/locking/mutex.c:89 kernel/locking/mutex.c:134 kernel/locking/mutex.c:649 kernel/locking/mutex.c:821)
[   34.437417][  T450]  ? __mutex_lock (kernel/locking/mutex.c:656 (discriminator 1) kernel/locking/mutex.c:821 (discriminator 1))
[   34.437419][  T450]  ? rtnl_newlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:366 net/core/rtnetlink.c:4214)
[   34.437423][  T450]  ? ww_mutex_lock (kernel/locking/mutex.c:934)
[   34.437425][  T450]  ? nla_get_range_signed (lib/nlattr.c:270)
[   34.437431][  T450]  ? __rtnl_newlink (net/core/rtnetlink.c:4063)
[   34.437437][  T450]  rtnl_newlink (net/core/rtnetlink.c:4215)
[   34.437443][  T450]  ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558)
[   34.437444][  T450]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   34.437449][  T450]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2))
[   34.437452][  T450]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[   34.437454][  T450]  ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558)
[   34.437456][  T450]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554)
[   34.437460][  T450]  ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558)
[   34.437462][  T450]  rtnetlink_rcv_msg (net/core/rtnetlink.c:7132)
[   34.437465][  T450]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   34.437472][  T450]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   34.437477][  T450]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2))
[   34.437479][  T450]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[   34.437483][  T450]  netlink_rcv_skb (net/netlink/af_netlink.c:2556)
[   34.437485][  T450]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   34.437488][  T450]  ? netlink_ack (./include/linux/skbuff.h:2718)
[   34.437495][  T450]  ? netlink_deliver_tap (./include/linux/rcupdate.h:319 (discriminator 2) ./include/linux/rcupdate.h:880 (discriminator 2) ./include/net/netns/generic.h:48 (discriminator 2) net/netlink/af_netlink.c:334 (discriminator 2))
[   34.437496][  T450]  ? netlink_deliver_tap (./include/linux/rcupdate.h:319 (discriminator 2) ./include/linux/rcupdate.h:880 (discriminator 2) net/netlink/af_netlink.c:341 (discriminator 2))
[   34.437501][  T450]  netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[   34.437505][  T450]  ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[   34.437508][  T450]  ? __lock_acquire (kernel/locking/lockdep.c:5251 (discriminator 3))
[   34.437512][  T450]  netlink_sendmsg (net/netlink/af_netlink.c:1900)
[   34.437516][  T450]  ? netlink_unicast (./include/net/net_namespace.h:422 (discriminator 7))
[   34.437517][  T450]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554)
[   34.437520][  T450]  ? __might_fault (mm/memory.c:7482 (discriminator 5))
[   34.437524][  T450]  ? __might_fault (mm/memory.c:7482 (discriminator 5))
[   34.437528][  T450]  ____sys_sendmsg (net/socket.c:800 (discriminator 4) net/socket.c:815 (discriminator 4) net/socket.c:2713 (discriminator 4))
[   34.437531][  T450]  ? copy_msghdr_from_user (net/socket.c:2650)
[   34.437533][  T450]  ? get_timestamp.constprop.0 (./include/linux/netdevice.h:5399)
[   34.437534][  T450]  ? move_addr_to_kernel (./include/linux/audit.h:354 (discriminator 1))
[   34.437544][  T450]  ___sys_sendmsg (net/socket.c:2767)
[   34.437547][  T450]  ? copy_msghdr_from_user (net/socket.c:2619)
[   34.437564][  T450]  __sys_sendmsg (net/socket.c:2799)
[   34.437568][  T450]  ? __sys_sendmsg_sock (net/socket.c:2780)
[   34.437574][  T450]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   34.437577][  T450]  do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84)
[   34.437580][  T450]  ? exc_page_fault (arch/x86/mm/fault.c:1489 (discriminator 3) arch/x86/mm/fault.c:1536 (discriminator 3))
[   34.437583][  T450]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[   34.437585][  T450] RIP: 0033:0x7fdc4b9b254e
[   34.437589][  T450] Code: 4d 89 d8 e8 b4 bd 00 00 4c 8b 5d f8 41 8b 93 08 03 00 00 59 5e 48 83 f8 fc 74 11 c9 c3 0f 1f 80 00 00 00 00 48 8b 45 10 0f 05 <c9> c3 83 e2 39 83 fa 08 75 e7 e8 03 ff ff ff 0f 1f 00 f3 0f 1e fa
All code
========
   0:	4d 89 d8             	mov    %r11,%r8
   3:	e8 b4 bd 00 00       	call   0xbdbc
   8:	4c 8b 5d f8          	mov    -0x8(%rbp),%r11
   c:	41 8b 93 08 03 00 00 	mov    0x308(%r11),%edx
  13:	59                   	pop    %rcx
  14:	5e                   	pop    %rsi
  15:	48 83 f8 fc          	cmp    $0xfffffffffffffffc,%rax
  19:	74 11                	je     0x2c
  1b:	c9                   	leave
  1c:	c3                   	ret
  1d:	0f 1f 80 00 00 00 00 	nopl   0x0(%rax)
  24:	48 8b 45 10          	mov    0x10(%rbp),%rax
  28:	0f 05                	syscall
  2a:*	c9                   	leave		<-- trapping instruction
  2b:	c3                   	ret
  2c:	83 e2 39             	and    $0x39,%edx
  2f:	83 fa 08             	cmp    $0x8,%edx
  32:	75 e7                	jne    0x1b
  34:	e8 03 ff ff ff       	call   0xffffffffffffff3c
  39:	0f 1f 00             	nopl   (%rax)
  3c:	f3 0f 1e fa          	endbr64

Code starting with the faulting instruction
===========================================
   0:	c9                   	leave
   1:	c3                   	ret
   2:	83 e2 39             	and    $0x39,%edx
   5:	83 fa 08             	cmp    $0x8,%edx
   8:	75 e7                	jne    0xfffffffffffffff1
   a:	e8 03 ff ff ff       	call   0xffffffffffffff12
   f:	0f 1f 00             	nopl   (%rax)
  12:	f3 0f 1e fa          	endbr64
[   34.437591][  T450] RSP: 002b:00007ffc740766e0 EFLAGS: 00000202 ORIG_RAX: 000000000000002e
[   34.437594][  T450] RAX: ffffffffffffffda RBX: 0000000000000003 RCX: 00007fdc4b9b254e
[   34.437595][  T450] RDX: 0000000000000000 RSI: 00007ffc74076790 RDI: 0000000000000005
[   34.437596][  T450] RBP: 00007ffc740766f0 R08: 0000000000000000 R09: 0000000000000000
[   34.437597][  T450] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a918d70
[   34.437598][  T450] R13: 00000000004a1620 R14: 0000000000000000 R15: 00007ffc74076e60
| [   35.481062][  T459] softirqs last disabled at (15120): netif_change_name (./include/linux/spinlock.h:353 ./include/linux/seqlock.h:908 net/core/dev.c:1499)
| [   35.481065][  T459] Preemption disabled at:
| [   35.481066][  T459] vprintk_emit (kernel/printk/printk.c:2471)
| [   35.481075][  T459] Tainted: [W]=WARN
[   35.481076][  T459] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   35.481077][  T459] Call Trace:
[   35.481079][  T459]  <TASK>
[   35.481081][  T459]  dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120)
[   35.481086][  T459]  ? vprintk_emit (kernel/printk/printk.c:2471)
[   35.481088][  T459]  __might_resched.cold (kernel/sched/core.c:9234)
[   35.481093][  T459]  ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3))
[   35.481096][  T459]  ? __kmalloc_noprof (./include/linux/sched/mm.h:317 mm/slub.c:4636 mm/slub.c:4974 mm/slub.c:5413 mm/slub.c:5439)
[   35.481102][  T459]  __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))
[   35.481104][  T459]  ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[   35.481111][  T459]  ? 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)
[   35.481114][  T459]  alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[   35.481117][  T459]  put_chars (drivers/char/virtio_console.c:1176)
[   35.481120][  T459]  ? __send_to_port (drivers/char/virtio_console.c:654)
[   35.481123][  T459]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380)
[   35.481127][  T459]  ? validate_chain (kernel/locking/lockdep.c:3817 (discriminator 2) kernel/locking/lockdep.c:3837 (discriminator 2) kernel/locking/lockdep.c:3892 (discriminator 2))
[   35.481132][  T459]  hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2))
[   35.481135][  T459]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   35.481137][  T459]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   35.481142][  T459]  ? hvc_write (drivers/tty/hvc/hvc_console.c:501)
[   35.481146][  T459]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   35.481148][  T459]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   35.481153][  T459]  console_emit_next_record (kernel/printk/printk.c:3183)
[   35.481156][  T459]  ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20)
[   35.481158][  T459]  ? 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))
[   35.481160][  T459]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   35.481162][  T459]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   35.481166][  T459]  console_flush_one_record (kernel/printk/printk.c:3268)
[   35.481170][  T459]  ? console_emit_next_record (kernel/printk/printk.c:3150)
[   35.481172][  T459]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   35.481177][  T459]  console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420)
[   35.481179][  T459]  ? console_flush_one_record (kernel/printk/printk.c:3316)
[   35.481181][  T459]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   35.481183][  T459]  ? lock_acquire (kernel/locking/lockdep.c:5913)
[   35.481187][  T459]  ? __down_trylock_console_sem (kernel/printk/printk.c:334)
[   35.481188][  T459]  ? vprintk_emit (kernel/printk/printk.c:2478)
[   35.481191][  T459]  vprintk_emit (kernel/printk/printk.c:2479)
[   35.481195][  T459]  ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126))
[   35.481197][  T459]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   35.481199][  T459]  ? 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))
[   35.481201][  T459]  ? find_held_lock (kernel/locking/lockdep.c:5360)
[   35.481205][  T459]  _printk (kernel/printk/printk.c:2504)
[   35.481208][  T459]  ? snapshot_read.cold (user.c:?)
[   35.481210][  T459]  ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4116 (discriminator 3) kernel/rcu/tree.c:4108 (discriminator 3))
[   35.481213][  T459]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380)
[   35.481215][  T459]  ? validate_chain (kernel/locking/lockdep.c:3817 (discriminator 2) kernel/locking/lockdep.c:3837 (discriminator 2) kernel/locking/lockdep.c:3892 (discriminator 2))
[   35.481217][  T459]  ? netdev_name (./include/linux/netdevice.h:5709 (discriminator 1))
[   35.481221][  T459]  ? __netdev_printk (net/core/dev.c:13148 (discriminator 2))
[   35.481223][  T459]  ? do_setlink.isra.0 (net/core/rtnetlink.c:3246)
[   35.481226][  T459]  netdev_info (net/core/dev.c:13195 (discriminator 3))
[   35.481228][  T459]  ? netdev_notice (net/core/dev.c:13194)
[   35.481231][  T459]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[   35.481234][  T459]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554)
[   35.481237][  T459]  ? mark_held_locks (kernel/locking/lockdep.c:4341)
[   35.481240][  T459]  ? do_setlink.isra.0 (net/core/rtnetlink.c:3246)
[   35.481243][  T459]  netif_change_name.cold (net/core/dev.c:1507 (discriminator 3))
[   35.481246][  T459]  ? 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))
[   35.481252][  T459]  ? netdev_adjacent_rename_links (net/core/dev.c:9598)
[   35.481254][  T459]  ? __kernel_text_address (kernel/extable.c:79)
[   35.481257][  T459]  ? write_profile (profile.c:?)
[   35.481261][  T459]  ? __asan_memset (mm/kasan/shadow.c:84 (discriminator 1))
[   35.481267][  T459]  do_setlink.isra.0 (net/core/rtnetlink.c:3246)
[   35.481272][  T459]  ? stack_trace_save (kernel/stacktrace.c:122 (discriminator 1))
[   35.481274][  T459]  ? rtnl_link_get_size (net/core/rtnetlink.c:747)
[   35.481275][  T459]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:388 kernel/rcu/update.c:380)
[   35.481277][  T459]  ? stack_depot_save_flags (lib/stackdepot.c:609 (discriminator 2) lib/stackdepot.c:676 (discriminator 2))
[   35.481281][  T459]  ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4116 (discriminator 3) kernel/rcu/tree.c:4108 (discriminator 3))
[   35.481283][  T459]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380)
[   35.481285][  T459]  ? validate_chain (kernel/locking/lockdep.c:3817 (discriminator 2) kernel/locking/lockdep.c:3837 (discriminator 2) kernel/locking/lockdep.c:3892 (discriminator 2))
[   35.481288][  T459]  ? kasan_save_stack (mm/kasan/common.c:58)
[   35.481291][  T459]  ? kasan_save_stack (mm/kasan/common.c:57)
[   35.481292][  T459]  ? kasan_save_track (mm/kasan/common.c:78)
[   35.481295][  T459]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   35.481297][  T459]  ? netlink_update_listeners (net/netlink/af_netlink.c:532)
[   35.481300][  T459]  ? ___sys_sendmsg (net/socket.c:2744 net/socket.c:2763)
[   35.481305][  T459]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2))
[   35.481307][  T459]  ? rtnl_newlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:366 net/core/rtnetlink.c:4214)
[   35.481310][  T459]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   35.481312][  T459]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   35.481313][  T459]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   35.481315][  T459]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   35.481316][  T459]  ? trace_contention_end (./include/trace/events/lock.h:121 (discriminator 22))
[   35.481319][  T459]  ? __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)
[   35.481323][  T459]  ? __mutex_lock (kernel/locking/mutex.c:656 (discriminator 1) kernel/locking/mutex.c:821 (discriminator 1))
[   35.481325][  T459]  ? rtnl_newlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:366 net/core/rtnetlink.c:4214)
[   35.481328][  T459]  ? ww_mutex_lock (kernel/locking/mutex.c:934)
[   35.481330][  T459]  ? nla_get_range_signed (lib/nlattr.c:270)
[   35.481336][  T459]  ? __rtnl_newlink (net/core/rtnetlink.c:4063)
[   35.481342][  T459]  rtnl_newlink (net/core/rtnetlink.c:4215)
[   35.481347][  T459]  ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558)
[   35.481349][  T459]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   35.481354][  T459]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2))
[   35.481356][  T459]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[   35.481358][  T459]  ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558)
[   35.481359][  T459]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554)
[   35.481363][  T459]  ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558)
[   35.481365][  T459]  rtnetlink_rcv_msg (net/core/rtnetlink.c:7132)
[   35.481368][  T459]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   35.481370][  T459]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   35.481374][  T459]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2))
[   35.481376][  T459]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[   35.481380][  T459]  netlink_rcv_skb (net/netlink/af_netlink.c:2556)
[   35.481382][  T459]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   35.481385][  T459]  ? netlink_ack (./include/linux/skbuff.h:2718)
[   35.481391][  T459]  ? 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))
[   35.481392][  T459]  ? 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))
[   35.481397][  T459]  netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[   35.481400][  T459]  ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[   35.481403][  T459]  ? __lock_acquire (kernel/locking/lockdep.c:5251 (discriminator 3))
[   35.481408][  T459]  netlink_sendmsg (net/netlink/af_netlink.c:1900)
[   35.481411][  T459]  ? netlink_unicast (./include/net/net_namespace.h:422 (discriminator 7))
[   35.481413][  T459]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554)
[   35.481416][  T459]  ? __might_fault (mm/memory.c:7482 (discriminator 5))
[   35.481420][  T459]  ? __might_fault (mm/memory.c:7482 (discriminator 5))
[   35.481424][  T459]  ____sys_sendmsg (net/socket.c:800 (discriminator 4) net/socket.c:815 (discriminator 4) net/socket.c:2713 (discriminator 4))
[   35.481426][  T459]  ? copy_msghdr_from_user (net/socket.c:2650)
[   35.481428][  T459]  ? get_timestamp.constprop.0 (./include/linux/netdevice.h:5399)
[   35.481430][  T459]  ? move_addr_to_kernel (./include/linux/audit.h:354 (discriminator 1))
[   35.481437][  T459]  ___sys_sendmsg (net/socket.c:2767)
[   35.481440][  T459]  ? copy_msghdr_from_user (net/socket.c:2619)
[   35.481456][  T459]  __sys_sendmsg (net/socket.c:2799)
[   35.481460][  T459]  ? __sys_sendmsg_sock (net/socket.c:2780)
[   35.481466][  T459]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   35.481469][  T459]  do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84)
[   35.481477][  T459]  ? exc_page_fault (arch/x86/mm/fault.c:1489 (discriminator 3) arch/x86/mm/fault.c:1536 (discriminator 3))
[   35.481480][  T459]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[   35.481482][  T459] RIP: 0033:0x7fd3701e054e
[   35.481486][  T459] 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
[   35.481488][  T459] RSP: 002b:00007ffd730a89a0 EFLAGS: 00000202 ORIG_RAX: 000000000000002e
[   35.481491][  T459] RAX: ffffffffffffffda RBX: 0000000000000003 RCX: 00007fd3701e054e
[   35.481492][  T459] RDX: 0000000000000000 RSI: 00007ffd730a8a50 RDI: 0000000000000005
[   35.481493][  T459] RBP: 00007ffd730a89b0 R08: 0000000000000000 R09: 0000000000000000
[   35.481494][  T459] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a918d71
[   35.481495][  T459] R13: 00000000004a1620 R14: 0000000000000000 R15: 00007ffd730a9120
| [   36.595240][  T470] softirqs last disabled at (26190): netif_change_name (./include/linux/spinlock.h:353 ./include/linux/seqlock.h:908 net/core/dev.c:1499)
| [   36.595243][  T470] Preemption disabled at:
| [   36.595243][  T470] vprintk_emit (kernel/printk/printk.c:2471)
| [   36.595253][  T470] Tainted: [W]=WARN
[   36.595253][  T470] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   36.595255][  T470] Call Trace:
[   36.595257][  T470]  <TASK>
[   36.595258][  T470]  dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120)
[   36.595264][  T470]  ? vprintk_emit (kernel/printk/printk.c:2471)
[   36.595266][  T470]  __might_resched.cold (kernel/sched/core.c:9234)
[   36.595270][  T470]  ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3))
[   36.595273][  T470]  ? __kmalloc_noprof (./include/linux/sched/mm.h:317 mm/slub.c:4636 mm/slub.c:4974 mm/slub.c:5413 mm/slub.c:5439)
[   36.595279][  T470]  __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))
[   36.595281][  T470]  ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[   36.595288][  T470]  ? 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)
[   36.595291][  T470]  alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[   36.595294][  T470]  put_chars (drivers/char/virtio_console.c:1176)
[   36.595297][  T470]  ? __send_to_port (drivers/char/virtio_console.c:654)
[   36.595301][  T470]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380)
[   36.595305][  T470]  ? validate_chain (kernel/locking/lockdep.c:3817 (discriminator 2) kernel/locking/lockdep.c:3837 (discriminator 2) kernel/locking/lockdep.c:3892 (discriminator 2))
[   36.595310][  T470]  hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2))
[   36.595314][  T470]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   36.595315][  T470]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   36.595320][  T470]  ? hvc_write (drivers/tty/hvc/hvc_console.c:501)
[   36.595324][  T470]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   36.595327][  T470]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   36.595331][  T470]  console_emit_next_record (kernel/printk/printk.c:3183)
[   36.595335][  T470]  ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20)
[   36.595336][  T470]  ? 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))
[   36.595339][  T470]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   36.595341][  T470]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   36.595345][  T470]  console_flush_one_record (kernel/printk/printk.c:3268)
[   36.595349][  T470]  ? console_emit_next_record (kernel/printk/printk.c:3150)
[   36.595350][  T470]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   36.595356][  T470]  console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420)
[   36.595358][  T470]  ? console_flush_one_record (kernel/printk/printk.c:3316)
[   36.595360][  T470]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   36.595362][  T470]  ? lock_acquire (kernel/locking/lockdep.c:5913)
[   36.595366][  T470]  ? __down_trylock_console_sem (kernel/printk/printk.c:334)
[   36.595368][  T470]  ? vprintk_emit (kernel/printk/printk.c:2478)
[   36.595371][  T470]  vprintk_emit (kernel/printk/printk.c:2479)
[   36.595375][  T470]  ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126))
[   36.595377][  T470]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   36.595379][  T470]  ? 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))
[   36.595381][  T470]  ? find_held_lock (kernel/locking/lockdep.c:5360)
[   36.595385][  T470]  _printk (kernel/printk/printk.c:2504)
[   36.595389][  T470]  ? snapshot_read.cold (user.c:?)
[   36.595391][  T470]  ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4116 (discriminator 3) kernel/rcu/tree.c:4108 (discriminator 3))
[   36.595394][  T470]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380)
[   36.595396][  T470]  ? validate_chain (kernel/locking/lockdep.c:3817 (discriminator 2) kernel/locking/lockdep.c:3837 (discriminator 2) kernel/locking/lockdep.c:3892 (discriminator 2))
[   36.595398][  T470]  ? netdev_name (./include/linux/netdevice.h:5709 (discriminator 1))
[   36.595402][  T470]  ? __netdev_printk (net/core/dev.c:13148 (discriminator 2))
[   36.595404][  T470]  ? do_setlink.isra.0 (net/core/rtnetlink.c:3246)
[   36.595406][  T470]  netdev_info (net/core/dev.c:13195 (discriminator 3))
[   36.595409][  T470]  ? netdev_notice (net/core/dev.c:13194)
[   36.595412][  T470]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[   36.595415][  T470]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554)
[   36.595418][  T470]  ? mark_held_locks (kernel/locking/lockdep.c:4341)
[   36.595422][  T470]  ? do_setlink.isra.0 (net/core/rtnetlink.c:3246)
[   36.595424][  T470]  netif_change_name.cold (net/core/dev.c:1507 (discriminator 3))
[   36.595427][  T470]  ? 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))
[   36.595434][  T470]  ? netdev_adjacent_rename_links (net/core/dev.c:9598)
[   36.595436][  T470]  ? __kernel_text_address (kernel/extable.c:79)
[   36.595440][  T470]  ? write_profile (profile.c:?)
[   36.595444][  T470]  ? __asan_memset (mm/kasan/shadow.c:84 (discriminator 1))
[   36.595449][  T470]  do_setlink.isra.0 (net/core/rtnetlink.c:3246)
[   36.595454][  T470]  ? stack_trace_save (kernel/stacktrace.c:122 (discriminator 1))
[   36.595456][  T470]  ? rtnl_link_get_size (net/core/rtnetlink.c:747)
[   36.595458][  T470]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:388 kernel/rcu/update.c:380)
[   36.595460][  T470]  ? stack_depot_save_flags (lib/stackdepot.c:609 (discriminator 2) lib/stackdepot.c:676 (discriminator 2))
[   36.595464][  T470]  ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4116 (discriminator 3) kernel/rcu/tree.c:4108 (discriminator 3))
[   36.595466][  T470]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380)
[   36.595468][  T470]  ? validate_chain (kernel/locking/lockdep.c:3817 (discriminator 2) kernel/locking/lockdep.c:3837 (discriminator 2) kernel/locking/lockdep.c:3892 (discriminator 2))
[   36.595471][  T470]  ? kasan_save_stack (mm/kasan/common.c:58)
[   36.595474][  T470]  ? kasan_save_stack (mm/kasan/common.c:57)
[   36.595480][  T470]  ? kasan_save_track (mm/kasan/common.c:78)
[   36.595483][  T470]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   36.595485][  T470]  ? netlink_update_listeners (net/netlink/af_netlink.c:532)
[   36.595488][  T470]  ? ___sys_sendmsg (net/socket.c:2744 net/socket.c:2763)
[   36.595493][  T470]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2))
[   36.595495][  T470]  ? rtnl_newlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:366 net/core/rtnetlink.c:4214)
[   36.595498][  T470]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   36.595500][  T470]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   36.595502][  T470]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   36.595503][  T470]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   36.595505][  T470]  ? trace_contention_end (./include/trace/events/lock.h:121 (discriminator 22))
[   36.595507][  T470]  ? __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)
[   36.595511][  T470]  ? __mutex_lock (kernel/locking/mutex.c:656 (discriminator 1) kernel/locking/mutex.c:821 (discriminator 1))
[   36.595513][  T470]  ? rtnl_newlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:366 net/core/rtnetlink.c:4214)
[   36.595517][  T470]  ? ww_mutex_lock (kernel/locking/mutex.c:934)
[   36.595519][  T470]  ? nla_get_range_signed (lib/nlattr.c:270)
[   36.595525][  T470]  ? __rtnl_newlink (net/core/rtnetlink.c:4063)
[   36.595530][  T470]  rtnl_newlink (net/core/rtnetlink.c:4215)
[   36.595536][  T470]  ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558)
[   36.595537][  T470]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   36.595543][  T470]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2))
[   36.595546][  T470]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[   36.595548][  T470]  ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558)
[   36.595551][  T470]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554)
[   36.595556][  T470]  ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558)
[   36.595558][  T470]  rtnetlink_rcv_msg (net/core/rtnetlink.c:7132)
[   36.595561][  T470]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   36.595563][  T470]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   36.595567][  T470]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2))
[   36.595569][  T470]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[   36.595573][  T470]  netlink_rcv_skb (net/netlink/af_netlink.c:2556)
[   36.595575][  T470]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   36.595578][  T470]  ? netlink_ack (./include/linux/skbuff.h:2718)
[   36.595585][  T470]  ? 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))
[   36.595586][  T470]  ? 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))
[   36.595591][  T470]  netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[   36.595594][  T470]  ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[   36.595597][  T470]  ? __lock_acquire (kernel/locking/lockdep.c:5251 (discriminator 3))
[   36.595602][  T470]  netlink_sendmsg (net/netlink/af_netlink.c:1900)
[   36.595606][  T470]  ? netlink_unicast (./include/net/net_namespace.h:422 (discriminator 7))
[   36.595607][  T470]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554)
[   36.595610][  T470]  ? __might_fault (mm/memory.c:7482 (discriminator 5))
[   36.595614][  T470]  ? __might_fault (mm/memory.c:7482 (discriminator 5))
[   36.595618][  T470]  ____sys_sendmsg (net/socket.c:800 (discriminator 4) net/socket.c:815 (discriminator 4) net/socket.c:2713 (discriminator 4))
[   36.595621][  T470]  ? copy_msghdr_from_user (net/socket.c:2650)
[   36.595623][  T470]  ? get_timestamp.constprop.0 (./include/linux/netdevice.h:5399)
[   36.595625][  T470]  ? move_addr_to_kernel (./include/linux/audit.h:354 (discriminator 1))
[   36.595632][  T470]  ___sys_sendmsg (net/socket.c:2767)
[   36.595635][  T470]  ? copy_msghdr_from_user (net/socket.c:2619)
[   36.595652][  T470]  __sys_sendmsg (net/socket.c:2799)
[   36.595655][  T470]  ? __sys_sendmsg_sock (net/socket.c:2780)
[   36.595661][  T470]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   36.595665][  T470]  do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84)
[   36.595667][  T470]  ? exc_page_fault (arch/x86/mm/fault.c:1489 (discriminator 3) arch/x86/mm/fault.c:1536 (discriminator 3))
[   36.595671][  T470]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[   36.595673][  T470] RIP: 0033:0x7f48c220854e
[   36.595677][  T470] 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
[   36.595679][  T470] RSP: 002b:00007ffc691f81a0 EFLAGS: 00000202 ORIG_RAX: 000000000000002e
[   36.595681][  T470] RAX: ffffffffffffffda RBX: 0000000000000003 RCX: 00007f48c220854e
[   36.595683][  T470] RDX: 0000000000000000 RSI: 00007ffc691f8250 RDI: 0000000000000005
[   36.595684][  T470] RBP: 00007ffc691f81b0 R08: 0000000000000000 R09: 0000000000000000
[   36.595684][  T470] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a918d72
[   36.595685][  T470] R13: 00000000004a1620 R14: 0000000000000000 R15: 00007ffc691f8920
| [   37.646665][  T481] softirqs last disabled at (17958): netif_change_name (./include/linux/spinlock.h:353 ./include/linux/seqlock.h:908 net/core/dev.c:1499)
| [   37.646668][  T481] Preemption disabled at:
| [   37.646668][  T481] vprintk_emit (kernel/printk/printk.c:2471)
| [   37.646678][  T481] Tainted: [W]=WARN
[   37.646679][  T481] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   37.646681][  T481] Call Trace:
[   37.646682][  T481]  <TASK>
[   37.646684][  T481]  dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120)
[   37.646689][  T481]  ? vprintk_emit (kernel/printk/printk.c:2471)
[   37.646691][  T481]  __might_resched.cold (kernel/sched/core.c:9234)
[   37.646696][  T481]  ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3))
[   37.646699][  T481]  ? __kmalloc_noprof (./include/linux/sched/mm.h:317 mm/slub.c:4636 mm/slub.c:4974 mm/slub.c:5413 mm/slub.c:5439)
[   37.646704][  T481]  __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))
[   37.646707][  T481]  ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[   37.646713][  T481]  ? 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)
[   37.646716][  T481]  alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[   37.646720][  T481]  put_chars (drivers/char/virtio_console.c:1176)
[   37.646723][  T481]  ? __send_to_port (drivers/char/virtio_console.c:654)
[   37.646726][  T481]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380)
[   37.646730][  T481]  ? validate_chain (kernel/locking/lockdep.c:3817 (discriminator 2) kernel/locking/lockdep.c:3837 (discriminator 2) kernel/locking/lockdep.c:3892 (discriminator 2))
[   37.646735][  T481]  hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2))
[   37.646739][  T481]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   37.646741][  T481]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   37.646745][  T481]  ? hvc_write (drivers/tty/hvc/hvc_console.c:501)
[   37.646749][  T481]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   37.646752][  T481]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   37.646756][  T481]  console_emit_next_record (kernel/printk/printk.c:3183)
[   37.646760][  T481]  ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20)
[   37.646761][  T481]  ? 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))
[   37.646764][  T481]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   37.646766][  T481]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   37.646770][  T481]  console_flush_one_record (kernel/printk/printk.c:3268)
[   37.646774][  T481]  ? console_emit_next_record (kernel/printk/printk.c:3150)
[   37.646775][  T481]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   37.646781][  T481]  console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420)
[   37.646783][  T481]  ? console_flush_one_record (kernel/printk/printk.c:3316)
[   37.646785][  T481]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   37.646787][  T481]  ? lock_acquire (kernel/locking/lockdep.c:5913)
[   37.646791][  T481]  ? __down_trylock_console_sem (kernel/printk/printk.c:334)
[   37.646793][  T481]  ? vprintk_emit (kernel/printk/printk.c:2478)
[   37.646796][  T481]  vprintk_emit (kernel/printk/printk.c:2479)
[   37.646799][  T481]  ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126))
[   37.646801][  T481]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   37.646803][  T481]  ? 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))
[   37.646806][  T481]  ? find_held_lock (kernel/locking/lockdep.c:5360)
[   37.646810][  T481]  _printk (kernel/printk/printk.c:2504)
[   37.646813][  T481]  ? snapshot_read.cold (user.c:?)
[   37.646815][  T481]  ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4116 (discriminator 3) kernel/rcu/tree.c:4108 (discriminator 3))
[   37.646818][  T481]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380)
[   37.646820][  T481]  ? validate_chain (kernel/locking/lockdep.c:3817 (discriminator 2) kernel/locking/lockdep.c:3837 (discriminator 2) kernel/locking/lockdep.c:3892 (discriminator 2))
[   37.646822][  T481]  ? netdev_name (./include/linux/netdevice.h:5709 (discriminator 1))
[   37.646826][  T481]  ? __netdev_printk (net/core/dev.c:13148 (discriminator 2))
[   37.646828][  T481]  ? do_setlink.isra.0 (net/core/rtnetlink.c:3246)
[   37.646831][  T481]  netdev_info (net/core/dev.c:13195 (discriminator 3))
[   37.646834][  T481]  ? netdev_notice (net/core/dev.c:13194)
[   37.646836][  T481]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[   37.646839][  T481]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554)
[   37.646842][  T481]  ? mark_held_locks (kernel/locking/lockdep.c:4341)
[   37.646846][  T481]  ? do_setlink.isra.0 (net/core/rtnetlink.c:3246)
[   37.646848][  T481]  netif_change_name.cold (net/core/dev.c:1507 (discriminator 3))
[   37.646852][  T481]  ? 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))
[   37.646859][  T481]  ? netdev_adjacent_rename_links (net/core/dev.c:9598)
[   37.646861][  T481]  ? __kernel_text_address (kernel/extable.c:79)
[   37.646864][  T481]  ? write_profile (profile.c:?)
[   37.646868][  T481]  ? __asan_memset (mm/kasan/shadow.c:84 (discriminator 1))
[   37.646874][  T481]  do_setlink.isra.0 (net/core/rtnetlink.c:3246)
[   37.646879][  T481]  ? stack_trace_save (kernel/stacktrace.c:122 (discriminator 1))
[   37.646881][  T481]  ? rtnl_link_get_size (net/core/rtnetlink.c:747)
[   37.646882][  T481]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:388 kernel/rcu/update.c:380)
[   37.646885][  T481]  ? stack_depot_save_flags (lib/stackdepot.c:609 (discriminator 2) lib/stackdepot.c:676 (discriminator 2))
[   37.646888][  T481]  ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4116 (discriminator 3) kernel/rcu/tree.c:4108 (discriminator 3))
[   37.646891][  T481]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380)
[   37.646893][  T481]  ? validate_chain (kernel/locking/lockdep.c:3817 (discriminator 2) kernel/locking/lockdep.c:3837 (discriminator 2) kernel/locking/lockdep.c:3892 (discriminator 2))
[   37.646896][  T481]  ? kasan_save_stack (mm/kasan/common.c:58)
[   37.646898][  T481]  ? kasan_save_stack (mm/kasan/common.c:57)
[   37.646900][  T481]  ? kasan_save_track (mm/kasan/common.c:78)
[   37.646903][  T481]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   37.646905][  T481]  ? netlink_update_listeners (net/netlink/af_netlink.c:532)
[   37.646908][  T481]  ? ___sys_sendmsg (net/socket.c:2744 net/socket.c:2763)
[   37.646913][  T481]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2))
[   37.646915][  T481]  ? rtnl_newlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:366 net/core/rtnetlink.c:4214)
[   37.646918][  T481]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   37.646920][  T481]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   37.646922][  T481]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   37.646923][  T481]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   37.646925][  T481]  ? trace_contention_end (./include/trace/events/lock.h:121 (discriminator 22))
[   37.646927][  T481]  ? __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)
[   37.646930][  T481]  ? __mutex_lock (kernel/locking/mutex.c:656 (discriminator 1) kernel/locking/mutex.c:821 (discriminator 1))
[   37.646933][  T481]  ? rtnl_newlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:366 net/core/rtnetlink.c:4214)
[   37.646936][  T481]  ? ww_mutex_lock (kernel/locking/mutex.c:934)
[   37.646938][  T481]  ? nla_get_range_signed (lib/nlattr.c:270)
[   37.646944][  T481]  ? __rtnl_newlink (net/core/rtnetlink.c:4063)
[   37.646950][  T481]  rtnl_newlink (net/core/rtnetlink.c:4215)
[   37.646955][  T481]  ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558)
[   37.646957][  T481]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   37.646962][  T481]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2))
[   37.646964][  T481]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[   37.646966][  T481]  ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558)
[   37.646968][  T481]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554)
[   37.646972][  T481]  ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558)
[   37.646975][  T481]  rtnetlink_rcv_msg (net/core/rtnetlink.c:7132)
[   37.646978][  T481]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   37.646979][  T481]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   37.646984][  T481]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2))
[   37.646986][  T481]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[   37.646990][  T481]  netlink_rcv_skb (net/netlink/af_netlink.c:2556)
[   37.646992][  T481]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   37.646995][  T481]  ? netlink_ack (./include/linux/skbuff.h:2718)
[   37.647001][  T481]  ? 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))
[   37.647003][  T481]  ? 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))
[   37.647007][  T481]  netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[   37.647011][  T481]  ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[   37.647014][  T481]  ? __lock_acquire (kernel/locking/lockdep.c:5251 (discriminator 3))
[   37.647018][  T481]  netlink_sendmsg (net/netlink/af_netlink.c:1900)
[   37.647022][  T481]  ? netlink_unicast (./include/net/net_namespace.h:422 (discriminator 7))
[   37.647024][  T481]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554)
[   37.647027][  T481]  ? __might_fault (mm/memory.c:7482 (discriminator 5))
[   37.647031][  T481]  ? __might_fault (mm/memory.c:7482 (discriminator 5))
[   37.647035][  T481]  ____sys_sendmsg (net/socket.c:800 (discriminator 4) net/socket.c:815 (discriminator 4) net/socket.c:2713 (discriminator 4))
[   37.647037][  T481]  ? copy_msghdr_from_user (net/socket.c:2650)
[   37.647040][  T481]  ? get_timestamp.constprop.0 (./include/linux/netdevice.h:5399)
[   37.647041][  T481]  ? move_addr_to_kernel (./include/linux/audit.h:354 (discriminator 1))
[   37.647049][  T481]  ___sys_sendmsg (net/socket.c:2767)
[   37.647055][  T481]  ? copy_msghdr_from_user (net/socket.c:2619)
[   37.647071][  T481]  __sys_sendmsg (net/socket.c:2799)
[   37.647075][  T481]  ? __sys_sendmsg_sock (net/socket.c:2780)
[   37.647082][  T481]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   37.647085][  T481]  do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84)
[   37.647088][  T481]  ? exc_page_fault (arch/x86/mm/fault.c:1489 (discriminator 3) arch/x86/mm/fault.c:1536 (discriminator 3))
[   37.647091][  T481]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[   37.647094][  T481] RIP: 0033:0x7fd63173b54e
[   37.647097][  T481] 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
[   37.647099][  T481] RSP: 002b:00007ffe68dbb660 EFLAGS: 00000202 ORIG_RAX: 000000000000002e
[   37.647102][  T481] RAX: ffffffffffffffda RBX: 0000000000000003 RCX: 00007fd63173b54e
[   37.647103][  T481] RDX: 0000000000000000 RSI: 00007ffe68dbb710 RDI: 0000000000000005
[   37.647104][  T481] RBP: 00007ffe68dbb670 R08: 0000000000000000 R09: 0000000000000000
[   37.647105][  T481] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a918d73
[   37.647106][  T481] R13: 00000000004a1620 R14: 0000000000000000 R15: 00007ffe68dbbde0
| [   38.767099][  T492] softirqs last disabled at (27402): netif_change_name (./include/linux/spinlock.h:353 ./include/linux/seqlock.h:908 net/core/dev.c:1499)
| [   38.767102][  T492] Preemption disabled at:
| [   38.767102][  T492] vprintk_emit (kernel/printk/printk.c:2471)
| [   38.767111][  T492] Tainted: [W]=WARN
[   38.767112][  T492] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   38.767113][  T492] Call Trace:
[   38.767115][  T492]  <TASK>
[   38.767116][  T492]  dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120)
[   38.767121][  T492]  ? vprintk_emit (kernel/printk/printk.c:2471)
[   38.767123][  T492]  __might_resched.cold (kernel/sched/core.c:9234)
[   38.767127][  T492]  ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3))
[   38.767130][  T492]  ? __kmalloc_noprof (./include/linux/sched/mm.h:317 mm/slub.c:4636 mm/slub.c:4974 mm/slub.c:5413 mm/slub.c:5439)
[   38.767136][  T492]  __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))
[   38.767138][  T492]  ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[   38.767144][  T492]  ? 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)
[   38.767147][  T492]  alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[   38.767151][  T492]  put_chars (drivers/char/virtio_console.c:1176)
[   38.767154][  T492]  ? __send_to_port (drivers/char/virtio_console.c:654)
[   38.767157][  T492]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380)
[   38.767161][  T492]  ? validate_chain (kernel/locking/lockdep.c:3817 (discriminator 2) kernel/locking/lockdep.c:3837 (discriminator 2) kernel/locking/lockdep.c:3892 (discriminator 2))
[   38.767165][  T492]  hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2))
[   38.767169][  T492]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   38.767171][  T492]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   38.767175][  T492]  ? hvc_write (drivers/tty/hvc/hvc_console.c:501)
[   38.767179][  T492]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   38.767182][  T492]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   38.767186][  T492]  console_emit_next_record (kernel/printk/printk.c:3183)
[   38.767189][  T492]  ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20)
[   38.767191][  T492]  ? 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))
[   38.767193][  T492]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   38.767195][  T492]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   38.767199][  T492]  console_flush_one_record (kernel/printk/printk.c:3268)
[   38.767203][  T492]  ? console_emit_next_record (kernel/printk/printk.c:3150)
[   38.767204][  T492]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   38.767210][  T492]  console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420)
[   38.767212][  T492]  ? console_flush_one_record (kernel/printk/printk.c:3316)
[   38.767213][  T492]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   38.767215][  T492]  ? lock_acquire (kernel/locking/lockdep.c:5913)
[   38.767219][  T492]  ? __down_trylock_console_sem (kernel/printk/printk.c:334)
[   38.767221][  T492]  ? vprintk_emit (kernel/printk/printk.c:2478)
[   38.767224][  T492]  vprintk_emit (kernel/printk/printk.c:2479)
[   38.767227][  T492]  ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126))
[   38.767229][  T492]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   38.767231][  T492]  ? 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))
[   38.767233][  T492]  ? find_held_lock (kernel/locking/lockdep.c:5360)
[   38.767237][  T492]  _printk (kernel/printk/printk.c:2504)
[   38.767241][  T492]  ? snapshot_read.cold (user.c:?)
[   38.767243][  T492]  ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4116 (discriminator 3) kernel/rcu/tree.c:4108 (discriminator 3))
[   38.767246][  T492]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380)
[   38.767248][  T492]  ? validate_chain (kernel/locking/lockdep.c:3817 (discriminator 2) kernel/locking/lockdep.c:3837 (discriminator 2) kernel/locking/lockdep.c:3892 (discriminator 2))
[   38.767250][  T492]  ? netdev_name (./include/linux/netdevice.h:5709 (discriminator 1))
[   38.767253][  T492]  ? __netdev_printk (net/core/dev.c:13148 (discriminator 2))
[   38.767256][  T492]  ? do_setlink.isra.0 (net/core/rtnetlink.c:3246)
[   38.767258][  T492]  netdev_info (net/core/dev.c:13195 (discriminator 3))
[   38.767261][  T492]  ? netdev_notice (net/core/dev.c:13194)
[   38.767264][  T492]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[   38.767267][  T492]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554)
[   38.767270][  T492]  ? mark_held_locks (kernel/locking/lockdep.c:4341)
[   38.767273][  T492]  ? do_setlink.isra.0 (net/core/rtnetlink.c:3246)
[   38.767275][  T492]  netif_change_name.cold (net/core/dev.c:1507 (discriminator 3))
[   38.767279][  T492]  ? 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))
[   38.767285][  T492]  ? netdev_adjacent_rename_links (net/core/dev.c:9598)
[   38.767287][  T492]  ? __kernel_text_address (kernel/extable.c:79)
[   38.767290][  T492]  ? write_profile (profile.c:?)
[   38.767294][  T492]  ? __asan_memset (mm/kasan/shadow.c:84 (discriminator 1))
[   38.767299][  T492]  do_setlink.isra.0 (net/core/rtnetlink.c:3246)
[   38.767304][  T492]  ? stack_trace_save (kernel/stacktrace.c:122 (discriminator 1))
[   38.767307][  T492]  ? rtnl_link_get_size (net/core/rtnetlink.c:747)
[   38.767308][  T492]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:388 kernel/rcu/update.c:380)
[   38.767310][  T492]  ? stack_depot_save_flags (lib/stackdepot.c:609 (discriminator 2) lib/stackdepot.c:676 (discriminator 2))
[   38.767314][  T492]  ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4116 (discriminator 3) kernel/rcu/tree.c:4108 (discriminator 3))
[   38.767316][  T492]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380)
[   38.767318][  T492]  ? validate_chain (kernel/locking/lockdep.c:3817 (discriminator 2) kernel/locking/lockdep.c:3837 (discriminator 2) kernel/locking/lockdep.c:3892 (discriminator 2))
[   38.767321][  T492]  ? kasan_save_stack (mm/kasan/common.c:58)
[   38.767324][  T492]  ? kasan_save_stack (mm/kasan/common.c:57)
[   38.767325][  T492]  ? kasan_save_track (mm/kasan/common.c:78)
[   38.767328][  T492]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   38.767330][  T492]  ? netlink_update_listeners (net/netlink/af_netlink.c:532)
[   38.767333][  T492]  ? ___sys_sendmsg (net/socket.c:2744 net/socket.c:2763)
[   38.767338][  T492]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2))
[   38.767340][  T492]  ? rtnl_newlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:366 net/core/rtnetlink.c:4214)
[   38.767343][  T492]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   38.767345][  T492]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   38.767347][  T492]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   38.767348][  T492]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   38.767350][  T492]  ? trace_contention_end (./include/trace/events/lock.h:121 (discriminator 22))
[   38.767353][  T492]  ? __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)
[   38.767356][  T492]  ? __mutex_lock (kernel/locking/mutex.c:656 (discriminator 1) kernel/locking/mutex.c:821 (discriminator 1))
[   38.767358][  T492]  ? rtnl_newlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:366 net/core/rtnetlink.c:4214)
[   38.767362][  T492]  ? ww_mutex_lock (kernel/locking/mutex.c:934)
[   38.767364][  T492]  ? nla_get_range_signed (lib/nlattr.c:270)
[   38.767369][  T492]  ? __rtnl_newlink (net/core/rtnetlink.c:4063)
[   38.767375][  T492]  rtnl_newlink (net/core/rtnetlink.c:4215)
[   38.767380][  T492]  ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558)
[   38.767382][  T492]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   38.767387][  T492]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2))
[   38.767389][  T492]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[   38.767391][  T492]  ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558)
[   38.767392][  T492]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554)
[   38.767396][  T492]  ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558)
[   38.767398][  T492]  rtnetlink_rcv_msg (net/core/rtnetlink.c:7132)
[   38.767402][  T492]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   38.767403][  T492]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   38.767407][  T492]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2))
[   38.767410][  T492]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[   38.767413][  T492]  netlink_rcv_skb (net/netlink/af_netlink.c:2556)
[   38.767415][  T492]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   38.767418][  T492]  ? netlink_ack (./include/linux/skbuff.h:2718)
[   38.767424][  T492]  ? 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))
[   38.767426][  T492]  ? 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))
[   38.767430][  T492]  netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[   38.767434][  T492]  ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[   38.767437][  T492]  ? __lock_acquire (kernel/locking/lockdep.c:5251 (discriminator 3))
[   38.767441][  T492]  netlink_sendmsg (net/netlink/af_netlink.c:1900)
[   38.767444][  T492]  ? netlink_unicast (./include/net/net_namespace.h:422 (discriminator 7))
[   38.767446][  T492]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554)
[   38.767449][  T492]  ? __might_fault (mm/memory.c:7482 (discriminator 5))
[   38.767453][  T492]  ? __might_fault (mm/memory.c:7482 (discriminator 5))
[   38.767457][  T492]  ____sys_sendmsg (net/socket.c:800 (discriminator 4) net/socket.c:815 (discriminator 4) net/socket.c:2713 (discriminator 4))
[   38.767459][  T492]  ? copy_msghdr_from_user (net/socket.c:2650)
[   38.767461][  T492]  ? get_timestamp.constprop.0 (./include/linux/netdevice.h:5399)
[   38.767463][  T492]  ? move_addr_to_kernel (./include/linux/audit.h:354 (discriminator 1))
[   38.767470][  T492]  ___sys_sendmsg (net/socket.c:2767)
[   38.767473][  T492]  ? copy_msghdr_from_user (net/socket.c:2619)
[   38.767496][  T492]  __sys_sendmsg (net/socket.c:2799)
[   38.767499][  T492]  ? __sys_sendmsg_sock (net/socket.c:2780)
[   38.767506][  T492]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   38.767509][  T492]  do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84)
[   38.767511][  T492]  ? exc_page_fault (arch/x86/mm/fault.c:1489 (discriminator 3) arch/x86/mm/fault.c:1536 (discriminator 3))
[   38.767515][  T492]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[   38.767517][  T492] RIP: 0033:0x7f83a368954e
[   38.767521][  T492] 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
[   38.767523][  T492] RSP: 002b:00007fff427c5dd0 EFLAGS: 00000202 ORIG_RAX: 000000000000002e
[   38.767525][  T492] RAX: ffffffffffffffda RBX: 0000000000000003 RCX: 00007f83a368954e
[   38.767527][  T492] RDX: 0000000000000000 RSI: 00007fff427c5e80 RDI: 0000000000000005
[   38.767528][  T492] RBP: 00007fff427c5de0 R08: 0000000000000000 R09: 0000000000000000
[   38.767528][  T492] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a918d75
[   38.767529][  T492] R13: 00000000004a1620 R14: 0000000000000000 R15: 00007fff427c6550
| [   39.828200][  T502] softirqs last disabled at (33701): __irq_exit_rcu (kernel/softirq.c:679 kernel/softirq.c:519 kernel/softirq.c:767)
| [   39.828202][  T502] Preemption disabled at:
| [   39.828203][  T502] vprintk_emit (kernel/printk/printk.c:2471)
| [   39.828212][  T502] Tainted: [W]=WARN
[   39.828213][  T502] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   39.828215][  T502] Call Trace:
[   39.828216][  T502]  <TASK>
[   39.828218][  T502]  dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120)
[   39.828223][  T502]  ? vprintk_emit (kernel/printk/printk.c:2471)
[   39.828225][  T502]  __might_resched.cold (kernel/sched/core.c:9234)
[   39.828229][  T502]  ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3))
[   39.828232][  T502]  ? __kmalloc_noprof (./include/linux/sched/mm.h:317 mm/slub.c:4636 mm/slub.c:4974 mm/slub.c:5413 mm/slub.c:5439)
[   39.828238][  T502]  __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))
[   39.828240][  T502]  ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[   39.828246][  T502]  ? 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)
[   39.828249][  T502]  alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[   39.828253][  T502]  put_chars (drivers/char/virtio_console.c:1176)
[   39.828256][  T502]  ? __send_to_port (drivers/char/virtio_console.c:654)
[   39.828259][  T502]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380)
[   39.828263][  T502]  ? validate_chain (kernel/locking/lockdep.c:3817 (discriminator 2) kernel/locking/lockdep.c:3837 (discriminator 2) kernel/locking/lockdep.c:3892 (discriminator 2))
[   39.828268][  T502]  hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2))
[   39.828271][  T502]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   39.828273][  T502]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   39.828278][  T502]  ? hvc_write (drivers/tty/hvc/hvc_console.c:501)
[   39.828281][  T502]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   39.828284][  T502]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   39.828288][  T502]  console_emit_next_record (kernel/printk/printk.c:3183)
[   39.828291][  T502]  ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20)
[   39.828293][  T502]  ? 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))
[   39.828295][  T502]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   39.828297][  T502]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   39.828301][  T502]  console_flush_one_record (kernel/printk/printk.c:3268)
[   39.828305][  T502]  ? console_emit_next_record (kernel/printk/printk.c:3150)
[   39.828306][  T502]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   39.828312][  T502]  console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420)
[   39.828314][  T502]  ? console_flush_one_record (kernel/printk/printk.c:3316)
[   39.828315][  T502]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   39.828317][  T502]  ? lock_acquire (kernel/locking/lockdep.c:5913)
[   39.828321][  T502]  ? __down_trylock_console_sem (kernel/printk/printk.c:334)
[   39.828323][  T502]  ? vprintk_emit (kernel/printk/printk.c:2478)
[   39.828326][  T502]  vprintk_emit (kernel/printk/printk.c:2479)
[   39.828329][  T502]  ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126))
[   39.828331][  T502]  ? trace_sched_exit_tp (./include/trace/events/sched.h:886 (discriminator 22))
[   39.828335][  T502]  ? __schedule (kernel/sched/core.c:7277)
[   39.828340][  T502]  _printk (kernel/printk/printk.c:2504)
[   39.828344][  T502]  ? snapshot_read.cold (user.c:?)
[   39.828346][  T502]  ? io_schedule_timeout (kernel/sched/core.c:8159 (discriminator 1))
[   39.828349][  T502]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380)
[   39.828352][  T502]  ? netdev_name (./include/linux/netdevice.h:5709 (discriminator 1))
[   39.828355][  T502]  ? __netdev_printk (net/core/dev.c:13148 (discriminator 2))
[   39.828358][  T502]  ? do_setlink.isra.0 (net/core/rtnetlink.c:3246)
[   39.828360][  T502]  netdev_info (net/core/dev.c:13195 (discriminator 3))
[   39.828362][  T502]  ? netdev_notice (net/core/dev.c:13194)
[   39.828368][  T502]  ? do_setlink.isra.0 (net/core/rtnetlink.c:3246)
[   39.828371][  T502]  ? do_setlink.isra.0 (net/core/rtnetlink.c:3246)
[   39.828373][  T502]  netif_change_name.cold (net/core/dev.c:1507 (discriminator 3))
[   39.828376][  T502]  ? 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))
[   39.828382][  T502]  ? netdev_adjacent_rename_links (net/core/dev.c:9598)
[   39.828385][  T502]  ? __kernel_text_address (kernel/extable.c:79)
[   39.828388][  T502]  ? write_profile (profile.c:?)
[   39.828392][  T502]  ? __asan_memset (mm/kasan/shadow.c:84 (discriminator 1))
[   39.828397][  T502]  do_setlink.isra.0 (net/core/rtnetlink.c:3246)
[   39.828402][  T502]  ? stack_trace_save (kernel/stacktrace.c:122 (discriminator 1))
[   39.828404][  T502]  ? rtnl_link_get_size (net/core/rtnetlink.c:747)
[   39.828405][  T502]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:388 kernel/rcu/update.c:380)
[   39.828407][  T502]  ? stack_depot_save_flags (lib/stackdepot.c:609 (discriminator 2) lib/stackdepot.c:676 (discriminator 2))
[   39.828411][  T502]  ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4116 (discriminator 3) kernel/rcu/tree.c:4108 (discriminator 3))
[   39.828413][  T502]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380)
[   39.828415][  T502]  ? validate_chain (kernel/locking/lockdep.c:3817 (discriminator 2) kernel/locking/lockdep.c:3837 (discriminator 2) kernel/locking/lockdep.c:3892 (discriminator 2))
[   39.828418][  T502]  ? kasan_save_stack (mm/kasan/common.c:58)
[   39.828421][  T502]  ? kasan_save_stack (mm/kasan/common.c:57)
[   39.828423][  T502]  ? kasan_save_track (mm/kasan/common.c:78)
[   39.828426][  T502]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   39.828428][  T502]  ? netlink_update_listeners (net/netlink/af_netlink.c:532)
[   39.828431][  T502]  ? ___sys_sendmsg (net/socket.c:2744 net/socket.c:2763)
[   39.828436][  T502]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2))
[   39.828438][  T502]  ? rtnl_newlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:366 net/core/rtnetlink.c:4214)
[   39.828441][  T502]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   39.828443][  T502]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   39.828444][  T502]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   39.828446][  T502]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   39.828448][  T502]  ? trace_contention_end (./include/trace/events/lock.h:121 (discriminator 22))
[   39.828451][  T502]  ? __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)
[   39.828453][  T502]  ? __mutex_lock (kernel/locking/mutex.c:656 (discriminator 1) kernel/locking/mutex.c:821 (discriminator 1))
[   39.828455][  T502]  ? rtnl_newlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:366 net/core/rtnetlink.c:4214)
[   39.828459][  T502]  ? ww_mutex_lock (kernel/locking/mutex.c:934)
[   39.828461][  T502]  ? nla_get_range_signed (lib/nlattr.c:270)
[   39.828467][  T502]  ? __rtnl_newlink (net/core/rtnetlink.c:4063)
[   39.828472][  T502]  rtnl_newlink (net/core/rtnetlink.c:4215)
[   39.828478][  T502]  ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558)
[   39.828480][  T502]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   39.828485][  T502]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2))
[   39.828493][  T502]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[   39.828496][  T502]  ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558)
[   39.828498][  T502]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554)
[   39.828502][  T502]  ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558)
[   39.828504][  T502]  rtnetlink_rcv_msg (net/core/rtnetlink.c:7132)
[   39.828507][  T502]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   39.828509][  T502]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   39.828513][  T502]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2))
[   39.828515][  T502]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[   39.828519][  T502]  netlink_rcv_skb (net/netlink/af_netlink.c:2556)
[   39.828521][  T502]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   39.828524][  T502]  ? netlink_ack (./include/linux/skbuff.h:2718)
[   39.828530][  T502]  ? 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))
[   39.828532][  T502]  ? 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))
[   39.828536][  T502]  netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[   39.828540][  T502]  ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[   39.828544][  T502]  ? __lock_acquire (kernel/locking/lockdep.c:5251 (discriminator 3))
[   39.828549][  T502]  netlink_sendmsg (net/netlink/af_netlink.c:1900)
[   39.828553][  T502]  ? netlink_unicast (./include/net/net_namespace.h:422 (discriminator 7))
[   39.828555][  T502]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554)
[   39.828558][  T502]  ? __might_fault (mm/memory.c:7482 (discriminator 5))
[   39.828562][  T502]  ? __might_fault (mm/memory.c:7482 (discriminator 5))
[   39.828566][  T502]  ____sys_sendmsg (net/socket.c:800 (discriminator 4) net/socket.c:815 (discriminator 4) net/socket.c:2713 (discriminator 4))
[   39.828568][  T502]  ? copy_msghdr_from_user (net/socket.c:2650)
[   39.828571][  T502]  ? get_timestamp.constprop.0 (./include/linux/netdevice.h:5399)
[   39.828572][  T502]  ? move_addr_to_kernel (./include/linux/audit.h:354 (discriminator 1))
[   39.828580][  T502]  ___sys_sendmsg (net/socket.c:2767)
[   39.828583][  T502]  ? copy_msghdr_from_user (net/socket.c:2619)
[   39.828599][  T502]  __sys_sendmsg (net/socket.c:2799)
[   39.828603][  T502]  ? __sys_sendmsg_sock (net/socket.c:2780)
[   39.828609][  T502]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   39.828613][  T502]  do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84)
[   39.828615][  T502]  ? exc_page_fault (arch/x86/mm/fault.c:1489 (discriminator 3) arch/x86/mm/fault.c:1536 (discriminator 3))
[   39.828618][  T502]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[   39.828620][  T502] RIP: 0033:0x7fac1334654e
[   39.828624][  T502] 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
[   39.828626][  T502] RSP: 002b:00007ffd2ef0aa70 EFLAGS: 00000202 ORIG_RAX: 000000000000002e
[   39.828629][  T502] RAX: ffffffffffffffda RBX: 0000000000000003 RCX: 00007fac1334654e
[   39.828631][  T502] RDX: 0000000000000000 RSI: 00007ffd2ef0ab20 RDI: 0000000000000005
[   39.828632][  T502] RBP: 00007ffd2ef0aa80 R08: 0000000000000000 R09: 0000000000000000
[   39.828632][  T502] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a918d76
[   39.828633][  T502] R13: 00000000004a1620 R14: 0000000000000000 R15: 00007ffd2ef0b1f0
| [   40.907281][  T510] softirqs last disabled at (16618): netif_change_name (./include/linux/spinlock.h:353 ./include/linux/seqlock.h:908 net/core/dev.c:1499)
| [   40.907285][  T510] Preemption disabled at:
| [   40.907286][  T510] vprintk_emit (kernel/printk/printk.c:2471)
| [   40.907297][  T510] Tainted: [W]=WARN
[   40.907298][  T510] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   40.907301][  T510] Call Trace:
[   40.907303][  T510]  <TASK>
[   40.907305][  T510]  dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120)
[   40.907312][  T510]  ? vprintk_emit (kernel/printk/printk.c:2471)
[   40.907314][  T510]  __might_resched.cold (kernel/sched/core.c:9234)
[   40.907321][  T510]  ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3))
[   40.907326][  T510]  ? __kmalloc_noprof (./include/linux/sched/mm.h:317 mm/slub.c:4636 mm/slub.c:4974 mm/slub.c:5413 mm/slub.c:5439)
[   40.907333][  T510]  __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))
[   40.907337][  T510]  ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[   40.907346][  T510]  ? 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)
[   40.907350][  T510]  alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[   40.907355][  T510]  put_chars (drivers/char/virtio_console.c:1176)
[   40.907360][  T510]  ? __send_to_port (drivers/char/virtio_console.c:654)
[   40.907366][  T510]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380)
[   40.907370][  T510]  ? validate_chain (kernel/locking/lockdep.c:3817 (discriminator 2) kernel/locking/lockdep.c:3837 (discriminator 2) kernel/locking/lockdep.c:3892 (discriminator 2))
[   40.907378][  T510]  hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2))
[   40.907382][  T510]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   40.907385][  T510]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   40.907393][  T510]  ? hvc_write (drivers/tty/hvc/hvc_console.c:501)
[   40.907398][  T510]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   40.907403][  T510]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   40.907410][  T510]  console_emit_next_record (kernel/printk/printk.c:3183)
[   40.907415][  T510]  ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20)
[   40.907417][  T510]  ? 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))
[   40.907422][  T510]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   40.907426][  T510]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   40.907432][  T510]  console_flush_one_record (kernel/printk/printk.c:3268)
[   40.907439][  T510]  ? console_emit_next_record (kernel/printk/printk.c:3150)
[   40.907441][  T510]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   40.907450][  T510]  console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420)
[   40.907454][  T510]  ? console_flush_one_record (kernel/printk/printk.c:3316)
[   40.907456][  T510]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   40.907459][  T510]  ? lock_acquire (kernel/locking/lockdep.c:5913)
[   40.907465][  T510]  ? __down_trylock_console_sem (kernel/printk/printk.c:334)
[   40.907468][  T510]  ? vprintk_emit (kernel/printk/printk.c:2478)
[   40.907473][  T510]  vprintk_emit (kernel/printk/printk.c:2479)
[   40.907478][  T510]  ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126))
[   40.907482][  T510]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   40.907485][  T510]  ? 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))
[   40.907488][  T510]  ? find_held_lock (kernel/locking/lockdep.c:5360)
[   40.907499][  T510]  _printk (kernel/printk/printk.c:2504)
[   40.907504][  T510]  ? snapshot_read.cold (user.c:?)
[   40.907507][  T510]  ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4116 (discriminator 3) kernel/rcu/tree.c:4108 (discriminator 3))
[   40.907512][  T510]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380)
[   40.907515][  T510]  ? validate_chain (kernel/locking/lockdep.c:3817 (discriminator 2) kernel/locking/lockdep.c:3837 (discriminator 2) kernel/locking/lockdep.c:3892 (discriminator 2))
[   40.907518][  T510]  ? netdev_name (./include/linux/netdevice.h:5709 (discriminator 1))
[   40.907523][  T510]  ? __netdev_printk (net/core/dev.c:13148 (discriminator 2))
[   40.907527][  T510]  ? do_setlink.isra.0 (net/core/rtnetlink.c:3246)
[   40.907531][  T510]  netdev_info (net/core/dev.c:13195 (discriminator 3))
[   40.907535][  T510]  ? netdev_notice (net/core/dev.c:13194)
[   40.907540][  T510]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[   40.907548][  T510]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554)
[   40.907555][  T510]  ? mark_held_locks (kernel/locking/lockdep.c:4341)
[   40.907561][  T510]  ? do_setlink.isra.0 (net/core/rtnetlink.c:3246)
[   40.907565][  T510]  netif_change_name.cold (net/core/dev.c:1507 (discriminator 3))
[   40.907569][  T510]  ? 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))
[   40.907578][  T510]  ? netdev_adjacent_rename_links (net/core/dev.c:9598)
[   40.907582][  T510]  ? __kernel_text_address (kernel/extable.c:79)
[   40.907586][  T510]  ? write_profile (profile.c:?)
[   40.907592][  T510]  ? __asan_memset (mm/kasan/shadow.c:84 (discriminator 1))
[   40.907600][  T510]  do_setlink.isra.0 (net/core/rtnetlink.c:3246)
[   40.907607][  T510]  ? stack_trace_save (kernel/stacktrace.c:122 (discriminator 1))
[   40.907610][  T510]  ? rtnl_link_get_size (net/core/rtnetlink.c:747)
[   40.907613][  T510]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:388 kernel/rcu/update.c:380)
[   40.907616][  T510]  ? stack_depot_save_flags (lib/stackdepot.c:609 (discriminator 2) lib/stackdepot.c:676 (discriminator 2))
[   40.907621][  T510]  ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4116 (discriminator 3) kernel/rcu/tree.c:4108 (discriminator 3))
[   40.907624][  T510]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380)
[   40.907630][  T510]  ? validate_chain (kernel/locking/lockdep.c:3817 (discriminator 2) kernel/locking/lockdep.c:3837 (discriminator 2) kernel/locking/lockdep.c:3892 (discriminator 2))
[   40.907635][  T510]  ? kasan_save_stack (mm/kasan/common.c:58)
[   40.907639][  T510]  ? kasan_save_stack (mm/kasan/common.c:57)
[   40.907641][  T510]  ? kasan_save_track (mm/kasan/common.c:78)
[   40.907646][  T510]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   40.907649][  T510]  ? netlink_update_listeners (net/netlink/af_netlink.c:532)
[   40.907653][  T510]  ? ___sys_sendmsg (net/socket.c:2744 net/socket.c:2763)
[   40.907660][  T510]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2))
[   40.907663][  T510]  ? rtnl_newlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:366 net/core/rtnetlink.c:4214)
[   40.907668][  T510]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   40.907671][  T510]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   40.907674][  T510]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   40.907676][  T510]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   40.907679][  T510]  ? trace_contention_end (./include/trace/events/lock.h:121 (discriminator 22))
[   40.907682][  T510]  ? __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)
[   40.907687][  T510]  ? __mutex_lock (kernel/locking/mutex.c:656 (discriminator 1) kernel/locking/mutex.c:821 (discriminator 1))
[   40.907691][  T510]  ? rtnl_newlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:366 net/core/rtnetlink.c:4214)
[   40.907697][  T510]  ? ww_mutex_lock (kernel/locking/mutex.c:934)
[   40.907700][  T510]  ? nla_get_range_signed (lib/nlattr.c:270)
[   40.907709][  T510]  ? __rtnl_newlink (net/core/rtnetlink.c:4063)
[   40.907718][  T510]  rtnl_newlink (net/core/rtnetlink.c:4215)
[   40.907727][  T510]  ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558)
[   40.907730][  T510]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   40.907738][  T510]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2))
[   40.907741][  T510]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[   40.907744][  T510]  ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558)
[   40.907747][  T510]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554)
[   40.907754][  T510]  ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558)
[   40.907757][  T510]  rtnetlink_rcv_msg (net/core/rtnetlink.c:7132)
[   40.907762][  T510]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   40.907765][  T510]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   40.907772][  T510]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2))
[   40.907775][  T510]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[   40.907782][  T510]  netlink_rcv_skb (net/netlink/af_netlink.c:2556)
[   40.907784][  T510]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   40.907789][  T510]  ? netlink_ack (./include/linux/skbuff.h:2718)
[   40.907800][  T510]  ? 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))
[   40.907802][  T510]  ? 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))
[   40.907810][  T510]  netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[   40.907817][  T510]  ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[   40.907821][  T510]  ? __lock_acquire (kernel/locking/lockdep.c:5251 (discriminator 3))
[   40.907828][  T510]  netlink_sendmsg (net/netlink/af_netlink.c:1900)
[   40.907835][  T510]  ? netlink_unicast (./include/net/net_namespace.h:422 (discriminator 7))
[   40.907837][  T510]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554)
[   40.907842][  T510]  ? __might_fault (mm/memory.c:7482 (discriminator 5))
[   40.907847][  T510]  ? __might_fault (mm/memory.c:7482 (discriminator 5))
[   40.907854][  T510]  ____sys_sendmsg (net/socket.c:800 (discriminator 4) net/socket.c:815 (discriminator 4) net/socket.c:2713 (discriminator 4))
[   40.907858][  T510]  ? copy_msghdr_from_user (net/socket.c:2650)
[   40.907861][  T510]  ? get_timestamp.constprop.0 (./include/linux/netdevice.h:5399)
[   40.907864][  T510]  ? move_addr_to_kernel (./include/linux/audit.h:354 (discriminator 1))
[   40.907877][  T510]  ___sys_sendmsg (net/socket.c:2767)
[   40.907882][  T510]  ? copy_msghdr_from_user (net/socket.c:2619)
[   40.907910][  T510]  __sys_sendmsg (net/socket.c:2799)
[   40.907915][  T510]  ? __sys_sendmsg_sock (net/socket.c:2780)
[   40.907926][  T510]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   40.907931][  T510]  do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84)
[   40.907935][  T510]  ? exc_page_fault (arch/x86/mm/fault.c:1489 (discriminator 3) arch/x86/mm/fault.c:1536 (discriminator 3))
[   40.907940][  T510]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[   40.907944][  T510] RIP: 0033:0x7f36653ef54e
[   40.907949][  T510] 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
[   40.907951][  T510] RSP: 002b:00007ffcfd417c20 EFLAGS: 00000202 ORIG_RAX: 000000000000002e
[   40.907955][  T510] RAX: ffffffffffffffda RBX: 0000000000000003 RCX: 00007f36653ef54e
[   40.907957][  T510] RDX: 0000000000000000 RSI: 00007ffcfd417cd0 RDI: 0000000000000005
[   40.907958][  T510] RBP: 00007ffcfd417c30 R08: 0000000000000000 R09: 0000000000000000
[   40.907960][  T510] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a918d77
[   40.907961][  T510] R13: 00000000004a1620 R14: 0000000000000000 R15: 00007ffcfd4183a0
| [   42.006080][  T520] softirqs last disabled at (24852): netif_change_name (./include/linux/spinlock.h:353 ./include/linux/seqlock.h:908 net/core/dev.c:1499)
| [   42.006083][  T520] Preemption disabled at:
| [   42.006083][  T520] vprintk_emit (kernel/printk/printk.c:2471)
| [   42.006092][  T520] Tainted: [W]=WARN
[   42.006093][  T520] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   42.006095][  T520] Call Trace:
[   42.006096][  T520]  <TASK>
[   42.006098][  T520]  dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120)
[   42.006103][  T520]  ? vprintk_emit (kernel/printk/printk.c:2471)
[   42.006105][  T520]  __might_resched.cold (kernel/sched/core.c:9234)
[   42.006110][  T520]  ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3))
[   42.006113][  T520]  ? __kmalloc_noprof (./include/linux/sched/mm.h:317 mm/slub.c:4636 mm/slub.c:4974 mm/slub.c:5413 mm/slub.c:5439)
[   42.006118][  T520]  __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))
[   42.006121][  T520]  ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[   42.006127][  T520]  ? 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)
[   42.006130][  T520]  alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[   42.006134][  T520]  put_chars (drivers/char/virtio_console.c:1176)
[   42.006137][  T520]  ? __send_to_port (drivers/char/virtio_console.c:654)
[   42.006141][  T520]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380)
[   42.006145][  T520]  ? validate_chain (kernel/locking/lockdep.c:3817 (discriminator 2) kernel/locking/lockdep.c:3837 (discriminator 2) kernel/locking/lockdep.c:3892 (discriminator 2))
[   42.006149][  T520]  hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2))
[   42.006153][  T520]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   42.006155][  T520]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   42.006160][  T520]  ? hvc_write (drivers/tty/hvc/hvc_console.c:501)
[   42.006163][  T520]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   42.006166][  T520]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   42.006170][  T520]  console_emit_next_record (kernel/printk/printk.c:3183)
[   42.006174][  T520]  ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20)
[   42.006175][  T520]  ? 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))
[   42.006178][  T520]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   42.006180][  T520]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   42.006184][  T520]  console_flush_one_record (kernel/printk/printk.c:3268)
[   42.006188][  T520]  ? console_emit_next_record (kernel/printk/printk.c:3150)
[   42.006190][  T520]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   42.006195][  T520]  console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420)
[   42.006198][  T520]  ? console_flush_one_record (kernel/printk/printk.c:3316)
[   42.006199][  T520]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   42.006201][  T520]  ? lock_acquire (kernel/locking/lockdep.c:5913)
[   42.006205][  T520]  ? __down_trylock_console_sem (kernel/printk/printk.c:334)
[   42.006207][  T520]  ? vprintk_emit (kernel/printk/printk.c:2478)
[   42.006210][  T520]  vprintk_emit (kernel/printk/printk.c:2479)
[   42.006214][  T520]  ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126))
[   42.006216][  T520]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   42.006218][  T520]  ? 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))
[   42.006220][  T520]  ? find_held_lock (kernel/locking/lockdep.c:5360)
[   42.006224][  T520]  _printk (kernel/printk/printk.c:2504)
[   42.006228][  T520]  ? snapshot_read.cold (user.c:?)
[   42.006229][  T520]  ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4116 (discriminator 3) kernel/rcu/tree.c:4108 (discriminator 3))
[   42.006232][  T520]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380)
[   42.006234][  T520]  ? validate_chain (kernel/locking/lockdep.c:3817 (discriminator 2) kernel/locking/lockdep.c:3837 (discriminator 2) kernel/locking/lockdep.c:3892 (discriminator 2))
[   42.006237][  T520]  ? netdev_name (./include/linux/netdevice.h:5709 (discriminator 1))
[   42.006240][  T520]  ? __netdev_printk (net/core/dev.c:13148 (discriminator 2))
[   42.006243][  T520]  ? do_setlink.isra.0 (net/core/rtnetlink.c:3246)
[   42.006245][  T520]  netdev_info (net/core/dev.c:13195 (discriminator 3))
[   42.006248][  T520]  ? netdev_notice (net/core/dev.c:13194)
[   42.006251][  T520]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[   42.006254][  T520]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554)
[   42.006257][  T520]  ? mark_held_locks (kernel/locking/lockdep.c:4341)
[   42.006261][  T520]  ? do_setlink.isra.0 (net/core/rtnetlink.c:3246)
[   42.006263][  T520]  netif_change_name.cold (net/core/dev.c:1507 (discriminator 3))
[   42.006266][  T520]  ? 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))
[   42.006272][  T520]  ? netdev_adjacent_rename_links (net/core/dev.c:9598)
[   42.006275][  T520]  ? __kernel_text_address (kernel/extable.c:79)
[   42.006278][  T520]  ? write_profile (profile.c:?)
[   42.006282][  T520]  ? __asan_memset (mm/kasan/shadow.c:84 (discriminator 1))
[   42.006287][  T520]  do_setlink.isra.0 (net/core/rtnetlink.c:3246)
[   42.006292][  T520]  ? stack_trace_save (kernel/stacktrace.c:122 (discriminator 1))
[   42.006295][  T520]  ? rtnl_link_get_size (net/core/rtnetlink.c:747)
[   42.006296][  T520]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:388 kernel/rcu/update.c:380)
[   42.006298][  T520]  ? stack_depot_save_flags (lib/stackdepot.c:609 (discriminator 2) lib/stackdepot.c:676 (discriminator 2))
[   42.006302][  T520]  ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4116 (discriminator 3) kernel/rcu/tree.c:4108 (discriminator 3))
[   42.006304][  T520]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380)
[   42.006306][  T520]  ? validate_chain (kernel/locking/lockdep.c:3817 (discriminator 2) kernel/locking/lockdep.c:3837 (discriminator 2) kernel/locking/lockdep.c:3892 (discriminator 2))
[   42.006309][  T520]  ? kasan_save_stack (mm/kasan/common.c:58)
[   42.006312][  T520]  ? kasan_save_stack (mm/kasan/common.c:57)
[   42.006314][  T520]  ? kasan_save_track (mm/kasan/common.c:78)
[   42.006317][  T520]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   42.006319][  T520]  ? netlink_update_listeners (net/netlink/af_netlink.c:532)
[   42.006322][  T520]  ? ___sys_sendmsg (net/socket.c:2744 net/socket.c:2763)
[   42.006327][  T520]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2))
[   42.006330][  T520]  ? rtnl_newlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:366 net/core/rtnetlink.c:4214)
[   42.006332][  T520]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   42.006334][  T520]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   42.006336][  T520]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   42.006337][  T520]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   42.006339][  T520]  ? trace_contention_end (./include/trace/events/lock.h:121 (discriminator 22))
[   42.006342][  T520]  ? __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)
[   42.006345][  T520]  ? __mutex_lock (kernel/locking/mutex.c:656 (discriminator 1) kernel/locking/mutex.c:821 (discriminator 1))
[   42.006348][  T520]  ? rtnl_newlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:366 net/core/rtnetlink.c:4214)
[   42.006351][  T520]  ? ww_mutex_lock (kernel/locking/mutex.c:934)
[   42.006353][  T520]  ? nla_get_range_signed (lib/nlattr.c:270)
[   42.006360][  T520]  ? __rtnl_newlink (net/core/rtnetlink.c:4063)
[   42.006365][  T520]  rtnl_newlink (net/core/rtnetlink.c:4215)
[   42.006371][  T520]  ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558)
[   42.006373][  T520]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   42.006378][  T520]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2))
[   42.006380][  T520]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[   42.006382][  T520]  ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558)
[   42.006384][  T520]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554)
[   42.006388][  T520]  ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558)
[   42.006390][  T520]  rtnetlink_rcv_msg (net/core/rtnetlink.c:7132)
[   42.006394][  T520]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   42.006395][  T520]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   42.006400][  T520]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2))
[   42.006402][  T520]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[   42.006406][  T520]  netlink_rcv_skb (net/netlink/af_netlink.c:2556)
[   42.006408][  T520]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   42.006411][  T520]  ? netlink_ack (./include/linux/skbuff.h:2718)
[   42.006417][  T520]  ? 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))
[   42.006419][  T520]  ? 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))
[   42.006424][  T520]  netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[   42.006428][  T520]  ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[   42.006431][  T520]  ? __lock_acquire (kernel/locking/lockdep.c:5251 (discriminator 3))
[   42.006435][  T520]  netlink_sendmsg (net/netlink/af_netlink.c:1900)
[   42.006439][  T520]  ? netlink_unicast (./include/net/net_namespace.h:422 (discriminator 7))
[   42.006440][  T520]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554)
[   42.006444][  T520]  ? __might_fault (mm/memory.c:7482 (discriminator 5))
[   42.006447][  T520]  ? __might_fault (mm/memory.c:7482 (discriminator 5))
[   42.006451][  T520]  ____sys_sendmsg (net/socket.c:800 (discriminator 4) net/socket.c:815 (discriminator 4) net/socket.c:2713 (discriminator 4))
[   42.006454][  T520]  ? copy_msghdr_from_user (net/socket.c:2650)
[   42.006456][  T520]  ? get_timestamp.constprop.0 (./include/linux/netdevice.h:5399)
[   42.006458][  T520]  ? move_addr_to_kernel (./include/linux/audit.h:354 (discriminator 1))
[   42.006466][  T520]  ___sys_sendmsg (net/socket.c:2767)
[   42.006468][  T520]  ? copy_msghdr_from_user (net/socket.c:2619)
[   42.006486][  T520]  __sys_sendmsg (net/socket.c:2799)
[   42.006489][  T520]  ? __sys_sendmsg_sock (net/socket.c:2780)
[   42.006500][  T520]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   42.006504][  T520]  do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84)
[   42.006506][  T520]  ? exc_page_fault (arch/x86/mm/fault.c:1489 (discriminator 3) arch/x86/mm/fault.c:1536 (discriminator 3))
[   42.006510][  T520]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[   42.006512][  T520] RIP: 0033:0x7f63ba2bc54e
[   42.006516][  T520] 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
[   42.006518][  T520] RSP: 002b:00007fff5f842f60 EFLAGS: 00000202 ORIG_RAX: 000000000000002e
[   42.006520][  T520] RAX: ffffffffffffffda RBX: 0000000000000003 RCX: 00007f63ba2bc54e
[   42.006522][  T520] RDX: 0000000000000000 RSI: 00007fff5f843010 RDI: 0000000000000005
[   42.006523][  T520] RBP: 00007fff5f842f70 R08: 0000000000000000 R09: 0000000000000000
[   42.006524][  T520] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a918d78
[   42.006525][  T520] R13: 00000000004a1620 R14: 0000000000000000 R15: 00007fff5f8436e0
| [   43.073374][  T530] softirqs last disabled at (20436): netif_change_name (./include/linux/spinlock.h:353 ./include/linux/seqlock.h:908 net/core/dev.c:1499)
| [   43.073377][  T530] Preemption disabled at:
| [   43.073378][  T530] vprintk_emit (kernel/printk/printk.c:2471)
| [   43.073387][  T530] Tainted: [W]=WARN
[   43.073388][  T530] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   43.073390][  T530] Call Trace:
[   43.073392][  T530]  <TASK>
[   43.073393][  T530]  dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120)
[   43.073398][  T530]  ? vprintk_emit (kernel/printk/printk.c:2471)
[   43.073400][  T530]  __might_resched.cold (kernel/sched/core.c:9234)
[   43.073405][  T530]  ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3))
[   43.073408][  T530]  ? __kmalloc_noprof (./include/linux/sched/mm.h:317 mm/slub.c:4636 mm/slub.c:4974 mm/slub.c:5413 mm/slub.c:5439)
[   43.073413][  T530]  __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))
[   43.073416][  T530]  ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[   43.073422][  T530]  ? 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)
[   43.073425][  T530]  alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[   43.073429][  T530]  put_chars (drivers/char/virtio_console.c:1176)
[   43.073432][  T530]  ? __send_to_port (drivers/char/virtio_console.c:654)
[   43.073436][  T530]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380)
[   43.073440][  T530]  ? validate_chain (kernel/locking/lockdep.c:3817 (discriminator 2) kernel/locking/lockdep.c:3837 (discriminator 2) kernel/locking/lockdep.c:3892 (discriminator 2))
[   43.073444][  T530]  hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2))
[   43.073448][  T530]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   43.073450][  T530]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   43.073455][  T530]  ? hvc_write (drivers/tty/hvc/hvc_console.c:501)
[   43.073458][  T530]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   43.073461][  T530]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   43.073465][  T530]  console_emit_next_record (kernel/printk/printk.c:3183)
[   43.073469][  T530]  ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20)
[   43.073470][  T530]  ? 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))
[   43.073473][  T530]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   43.073475][  T530]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   43.073479][  T530]  console_flush_one_record (kernel/printk/printk.c:3268)
[   43.073483][  T530]  ? console_emit_next_record (kernel/printk/printk.c:3150)
[   43.073485][  T530]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   43.073490][  T530]  console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420)
[   43.073493][  T530]  ? console_flush_one_record (kernel/printk/printk.c:3316)
[   43.073494][  T530]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   43.073496][  T530]  ? lock_acquire (kernel/locking/lockdep.c:5913)
[   43.073505][  T530]  ? __down_trylock_console_sem (kernel/printk/printk.c:334)
[   43.073507][  T530]  ? vprintk_emit (kernel/printk/printk.c:2478)
[   43.073510][  T530]  vprintk_emit (kernel/printk/printk.c:2479)
[   43.073514][  T530]  ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126))
[   43.073516][  T530]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   43.073518][  T530]  ? 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))
[   43.073520][  T530]  ? find_held_lock (kernel/locking/lockdep.c:5360)
[   43.073524][  T530]  _printk (kernel/printk/printk.c:2504)
[   43.073528][  T530]  ? snapshot_read.cold (user.c:?)
[   43.073530][  T530]  ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4116 (discriminator 3) kernel/rcu/tree.c:4108 (discriminator 3))
[   43.073532][  T530]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380)
[   43.073535][  T530]  ? validate_chain (kernel/locking/lockdep.c:3817 (discriminator 2) kernel/locking/lockdep.c:3837 (discriminator 2) kernel/locking/lockdep.c:3892 (discriminator 2))
[   43.073537][  T530]  ? netdev_name (./include/linux/netdevice.h:5709 (discriminator 1))
[   43.073541][  T530]  ? __netdev_printk (net/core/dev.c:13148 (discriminator 2))
[   43.073545][  T530]  ? do_setlink.isra.0 (net/core/rtnetlink.c:3246)
[   43.073548][  T530]  netdev_info (net/core/dev.c:13195 (discriminator 3))
[   43.073551][  T530]  ? netdev_notice (net/core/dev.c:13194)
[   43.073553][  T530]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[   43.073556][  T530]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554)
[   43.073559][  T530]  ? mark_held_locks (kernel/locking/lockdep.c:4341)
[   43.073563][  T530]  ? do_setlink.isra.0 (net/core/rtnetlink.c:3246)
[   43.073565][  T530]  netif_change_name.cold (net/core/dev.c:1507 (discriminator 3))
[   43.073568][  T530]  ? 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))
[   43.073575][  T530]  ? netdev_adjacent_rename_links (net/core/dev.c:9598)
[   43.073577][  T530]  ? __kernel_text_address (kernel/extable.c:79)
[   43.073580][  T530]  ? write_profile (profile.c:?)
[   43.073584][  T530]  ? __asan_memset (mm/kasan/shadow.c:84 (discriminator 1))
[   43.073590][  T530]  do_setlink.isra.0 (net/core/rtnetlink.c:3246)
[   43.073595][  T530]  ? stack_trace_save (kernel/stacktrace.c:122 (discriminator 1))
[   43.073597][  T530]  ? rtnl_link_get_size (net/core/rtnetlink.c:747)
[   43.073598][  T530]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:388 kernel/rcu/update.c:380)
[   43.073600][  T530]  ? stack_depot_save_flags (lib/stackdepot.c:609 (discriminator 2) lib/stackdepot.c:676 (discriminator 2))
[   43.073604][  T530]  ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4116 (discriminator 3) kernel/rcu/tree.c:4108 (discriminator 3))
[   43.073606][  T530]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380)
[   43.073608][  T530]  ? validate_chain (kernel/locking/lockdep.c:3817 (discriminator 2) kernel/locking/lockdep.c:3837 (discriminator 2) kernel/locking/lockdep.c:3892 (discriminator 2))
[   43.073611][  T530]  ? kasan_save_stack (mm/kasan/common.c:58)
[   43.073614][  T530]  ? kasan_save_stack (mm/kasan/common.c:57)
[   43.073616][  T530]  ? kasan_save_track (mm/kasan/common.c:78)
[   43.073618][  T530]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   43.073621][  T530]  ? netlink_update_listeners (net/netlink/af_netlink.c:532)
[   43.073623][  T530]  ? ___sys_sendmsg (net/socket.c:2744 net/socket.c:2763)
[   43.073628][  T530]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2))
[   43.073631][  T530]  ? rtnl_newlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:366 net/core/rtnetlink.c:4214)
[   43.073633][  T530]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   43.073635][  T530]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   43.073637][  T530]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   43.073639][  T530]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   43.073640][  T530]  ? trace_contention_end (./include/trace/events/lock.h:121 (discriminator 22))
[   43.073643][  T530]  ? __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)
[   43.073647][  T530]  ? __mutex_lock (kernel/locking/mutex.c:656 (discriminator 1) kernel/locking/mutex.c:821 (discriminator 1))
[   43.073649][  T530]  ? rtnl_newlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:366 net/core/rtnetlink.c:4214)
[   43.073652][  T530]  ? ww_mutex_lock (kernel/locking/mutex.c:934)
[   43.073654][  T530]  ? nla_get_range_signed (lib/nlattr.c:270)
[   43.073660][  T530]  ? __rtnl_newlink (net/core/rtnetlink.c:4063)
[   43.073666][  T530]  rtnl_newlink (net/core/rtnetlink.c:4215)
[   43.073671][  T530]  ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558)
[   43.073673][  T530]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   43.073678][  T530]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2))
[   43.073680][  T530]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[   43.073682][  T530]  ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558)
[   43.073684][  T530]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554)
[   43.073688][  T530]  ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558)
[   43.073690][  T530]  rtnetlink_rcv_msg (net/core/rtnetlink.c:7132)
[   43.073694][  T530]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   43.073695][  T530]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   43.073700][  T530]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2))
[   43.073702][  T530]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[   43.073706][  T530]  netlink_rcv_skb (net/netlink/af_netlink.c:2556)
[   43.073707][  T530]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   43.073710][  T530]  ? netlink_ack (./include/linux/skbuff.h:2718)
[   43.073717][  T530]  ? 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))
[   43.073718][  T530]  ? 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))
[   43.073722][  T530]  netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[   43.073726][  T530]  ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[   43.073729][  T530]  ? __lock_acquire (kernel/locking/lockdep.c:5251 (discriminator 3))
[   43.073733][  T530]  netlink_sendmsg (net/netlink/af_netlink.c:1900)
[   43.073737][  T530]  ? netlink_unicast (./include/net/net_namespace.h:422 (discriminator 7))
[   43.073739][  T530]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554)
[   43.073742][  T530]  ? __might_fault (mm/memory.c:7482 (discriminator 5))
[   43.073746][  T530]  ? __might_fault (mm/memory.c:7482 (discriminator 5))
[   43.073750][  T530]  ____sys_sendmsg (net/socket.c:800 (discriminator 4) net/socket.c:815 (discriminator 4) net/socket.c:2713 (discriminator 4))
[   43.073752][  T530]  ? copy_msghdr_from_user (net/socket.c:2650)
[   43.073754][  T530]  ? get_timestamp.constprop.0 (./include/linux/netdevice.h:5399)
[   43.073756][  T530]  ? move_addr_to_kernel (./include/linux/audit.h:354 (discriminator 1))
[   43.073764][  T530]  ___sys_sendmsg (net/socket.c:2767)
[   43.073767][  T530]  ? copy_msghdr_from_user (net/socket.c:2619)
[   43.073783][  T530]  __sys_sendmsg (net/socket.c:2799)
[   43.073786][  T530]  ? __sys_sendmsg_sock (net/socket.c:2780)
[   43.073793][  T530]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   43.073796][  T530]  do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84)
[   43.073799][  T530]  ? exc_page_fault (arch/x86/mm/fault.c:1489 (discriminator 3) arch/x86/mm/fault.c:1536 (discriminator 3))
[   43.073802][  T530]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[   43.073805][  T530] RIP: 0033:0x7fc6803ae54e
[   43.073809][  T530] 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
[   43.073811][  T530] RSP: 002b:00007ffff271e5b0 EFLAGS: 00000202 ORIG_RAX: 000000000000002e
[   43.073813][  T530] RAX: ffffffffffffffda RBX: 0000000000000003 RCX: 00007fc6803ae54e
[   43.073815][  T530] RDX: 0000000000000000 RSI: 00007ffff271e660 RDI: 0000000000000005
[   43.073816][  T530] RBP: 00007ffff271e5c0 R08: 0000000000000000 R09: 0000000000000000
[   43.073817][  T530] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a918d79
[   43.073817][  T530] R13: 00000000004a1620 R14: 0000000000000000 R15: 00007ffff271ed30
| [   44.227974][  T539] softirqs last disabled at (41576): netif_change_name (./include/linux/spinlock.h:353 ./include/linux/seqlock.h:908 net/core/dev.c:1499)
| [   44.227978][  T539] Preemption disabled at:
| [   44.227979][  T539] vprintk_emit (kernel/printk/printk.c:2471)
| [   44.227992][  T539] Tainted: [W]=WARN
[   44.227993][  T539] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   44.227996][  T539] Call Trace:
[   44.227998][  T539]  <TASK>
[   44.228001][  T539]  dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120)
[   44.228008][  T539]  ? vprintk_emit (kernel/printk/printk.c:2471)
[   44.228010][  T539]  __might_resched.cold (kernel/sched/core.c:9234)
[   44.228017][  T539]  ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3))
[   44.228022][  T539]  ? __kmalloc_noprof (./include/linux/sched/mm.h:317 mm/slub.c:4636 mm/slub.c:4974 mm/slub.c:5413 mm/slub.c:5439)
[   44.228030][  T539]  __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))
[   44.228034][  T539]  ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[   44.228043][  T539]  ? 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)
[   44.228047][  T539]  alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[   44.228056][  T539]  put_chars (drivers/char/virtio_console.c:1176)
[   44.228060][  T539]  ? __send_to_port (drivers/char/virtio_console.c:654)
[   44.228067][  T539]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380)
[   44.228072][  T539]  ? validate_chain (kernel/locking/lockdep.c:3817 (discriminator 2) kernel/locking/lockdep.c:3837 (discriminator 2) kernel/locking/lockdep.c:3892 (discriminator 2))
[   44.228080][  T539]  hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2))
[   44.228084][  T539]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   44.228087][  T539]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   44.228096][  T539]  ? hvc_write (drivers/tty/hvc/hvc_console.c:501)
[   44.228102][  T539]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   44.228106][  T539]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   44.228113][  T539]  console_emit_next_record (kernel/printk/printk.c:3183)
[   44.228120][  T539]  ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20)
[   44.228122][  T539]  ? 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))
[   44.228127][  T539]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   44.228130][  T539]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   44.228137][  T539]  console_flush_one_record (kernel/printk/printk.c:3268)
[   44.228144][  T539]  ? console_emit_next_record (kernel/printk/printk.c:3150)
[   44.228147][  T539]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   44.228156][  T539]  console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420)
[   44.228161][  T539]  ? console_flush_one_record (kernel/printk/printk.c:3316)
[   44.228163][  T539]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   44.228166][  T539]  ? lock_acquire (kernel/locking/lockdep.c:5913)
[   44.228173][  T539]  ? __down_trylock_console_sem (kernel/printk/printk.c:334)
[   44.228176][  T539]  ? vprintk_emit (kernel/printk/printk.c:2478)
[   44.228182][  T539]  vprintk_emit (kernel/printk/printk.c:2479)
[   44.228187][  T539]  ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126))
[   44.228191][  T539]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   44.228194][  T539]  ? 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))
[   44.228198][  T539]  ? find_held_lock (kernel/locking/lockdep.c:5360)
[   44.228205][  T539]  _printk (kernel/printk/printk.c:2504)
[   44.228210][  T539]  ? snapshot_read.cold (user.c:?)
[   44.228212][  T539]  ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4116 (discriminator 3) kernel/rcu/tree.c:4108 (discriminator 3))
[   44.228218][  T539]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380)
[   44.228221][  T539]  ? validate_chain (kernel/locking/lockdep.c:3817 (discriminator 2) kernel/locking/lockdep.c:3837 (discriminator 2) kernel/locking/lockdep.c:3892 (discriminator 2))
[   44.228225][  T539]  ? netdev_name (./include/linux/netdevice.h:5709 (discriminator 1))
[   44.228230][  T539]  ? __netdev_printk (net/core/dev.c:13148 (discriminator 2))
[   44.228235][  T539]  ? do_setlink.isra.0 (net/core/rtnetlink.c:3246)
[   44.228239][  T539]  netdev_info (net/core/dev.c:13195 (discriminator 3))
[   44.228243][  T539]  ? netdev_notice (net/core/dev.c:13194)
[   44.228248][  T539]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[   44.228253][  T539]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554)
[   44.228257][  T539]  ? mark_held_locks (kernel/locking/lockdep.c:4341)
[   44.228264][  T539]  ? do_setlink.isra.0 (net/core/rtnetlink.c:3246)
[   44.228268][  T539]  netif_change_name.cold (net/core/dev.c:1507 (discriminator 3))
[   44.228272][  T539]  ? 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))
[   44.228282][  T539]  ? netdev_adjacent_rename_links (net/core/dev.c:9598)
[   44.228286][  T539]  ? __kernel_text_address (kernel/extable.c:79)
[   44.228291][  T539]  ? write_profile (profile.c:?)
[   44.228297][  T539]  ? __asan_memset (mm/kasan/shadow.c:84 (discriminator 1))
[   44.228306][  T539]  do_setlink.isra.0 (net/core/rtnetlink.c:3246)
[   44.228314][  T539]  ? stack_trace_save (kernel/stacktrace.c:122 (discriminator 1))
[   44.228317][  T539]  ? rtnl_link_get_size (net/core/rtnetlink.c:747)
[   44.228319][  T539]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:388 kernel/rcu/update.c:380)
[   44.228323][  T539]  ? stack_depot_save_flags (lib/stackdepot.c:609 (discriminator 2) lib/stackdepot.c:676 (discriminator 2))
[   44.228328][  T539]  ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4116 (discriminator 3) kernel/rcu/tree.c:4108 (discriminator 3))
[   44.228332][  T539]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380)
[   44.228335][  T539]  ? validate_chain (kernel/locking/lockdep.c:3817 (discriminator 2) kernel/locking/lockdep.c:3837 (discriminator 2) kernel/locking/lockdep.c:3892 (discriminator 2))
[   44.228340][  T539]  ? kasan_save_stack (mm/kasan/common.c:58)
[   44.228344][  T539]  ? kasan_save_stack (mm/kasan/common.c:57)
[   44.228346][  T539]  ? kasan_save_track (mm/kasan/common.c:78)
[   44.228351][  T539]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   44.228355][  T539]  ? netlink_update_listeners (net/netlink/af_netlink.c:532)
[   44.228359][  T539]  ? ___sys_sendmsg (net/socket.c:2744 net/socket.c:2763)
[   44.228366][  T539]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2))
[   44.228369][  T539]  ? rtnl_newlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:366 net/core/rtnetlink.c:4214)
[   44.228374][  T539]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   44.228378][  T539]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   44.228381][  T539]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   44.228383][  T539]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   44.228386][  T539]  ? trace_contention_end (./include/trace/events/lock.h:121 (discriminator 22))
[   44.228391][  T539]  ? __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)
[   44.228395][  T539]  ? __mutex_lock (kernel/locking/mutex.c:656 (discriminator 1) kernel/locking/mutex.c:821 (discriminator 1))
[   44.228399][  T539]  ? rtnl_newlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:366 net/core/rtnetlink.c:4214)
[   44.228406][  T539]  ? ww_mutex_lock (kernel/locking/mutex.c:934)
[   44.228409][  T539]  ? nla_get_range_signed (lib/nlattr.c:270)
[   44.228419][  T539]  ? __rtnl_newlink (net/core/rtnetlink.c:4063)
[   44.228429][  T539]  rtnl_newlink (net/core/rtnetlink.c:4215)
[   44.228439][  T539]  ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558)
[   44.228443][  T539]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   44.228451][  T539]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2))
[   44.228454][  T539]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[   44.228458][  T539]  ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558)
[   44.228461][  T539]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554)
[   44.228468][  T539]  ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558)
[   44.228472][  T539]  rtnetlink_rcv_msg (net/core/rtnetlink.c:7132)
[   44.228478][  T539]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   44.228480][  T539]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   44.228489][  T539]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2))
[   44.228492][  T539]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[   44.228499][  T539]  netlink_rcv_skb (net/netlink/af_netlink.c:2556)
[   44.228502][  T539]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   44.228513][  T539]  ? netlink_ack (./include/linux/skbuff.h:2718)
[   44.228525][  T539]  ? 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))
[   44.228527][  T539]  ? 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))
[   44.228536][  T539]  netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[   44.228543][  T539]  ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[   44.228548][  T539]  ? __lock_acquire (kernel/locking/lockdep.c:5251 (discriminator 3))
[   44.228555][  T539]  netlink_sendmsg (net/netlink/af_netlink.c:1900)
[   44.228562][  T539]  ? netlink_unicast (./include/net/net_namespace.h:422 (discriminator 7))
[   44.228565][  T539]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554)
[   44.228570][  T539]  ? __might_fault (mm/memory.c:7482 (discriminator 5))
[   44.228575][  T539]  ? __might_fault (mm/memory.c:7482 (discriminator 5))
[   44.228582][  T539]  ____sys_sendmsg (net/socket.c:800 (discriminator 4) net/socket.c:815 (discriminator 4) net/socket.c:2713 (discriminator 4))
[   44.228587][  T539]  ? copy_msghdr_from_user (net/socket.c:2650)
[   44.228591][  T539]  ? get_timestamp.constprop.0 (./include/linux/netdevice.h:5399)
[   44.228593][  T539]  ? move_addr_to_kernel (./include/linux/audit.h:354 (discriminator 1))
[   44.228608][  T539]  ___sys_sendmsg (net/socket.c:2767)
[   44.228612][  T539]  ? copy_msghdr_from_user (net/socket.c:2619)
[   44.228644][  T539]  __sys_sendmsg (net/socket.c:2799)
[   44.228649][  T539]  ? __sys_sendmsg_sock (net/socket.c:2780)
[   44.228661][  T539]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   44.228667][  T539]  do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84)
[   44.228671][  T539]  ? exc_page_fault (arch/x86/mm/fault.c:1489 (discriminator 3) arch/x86/mm/fault.c:1536 (discriminator 3))
[   44.228676][  T539]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[   44.228681][  T539] RIP: 0033:0x7f94fa5cb54e
[   44.228686][  T539] 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
[   44.228689][  T539] RSP: 002b:00007ffcf512b140 EFLAGS: 00000202 ORIG_RAX: 000000000000002e
[   44.228693][  T539] RAX: ffffffffffffffda RBX: 0000000000000003 RCX: 00007f94fa5cb54e
[   44.228695][  T539] RDX: 0000000000000000 RSI: 00007ffcf512b1f0 RDI: 0000000000000005
[   44.228697][  T539] RBP: 00007ffcf512b150 R08: 0000000000000000 R09: 0000000000000000
[   44.228698][  T539] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a918d7a
[   44.228700][  T539] R13: 00000000004a1620 R14: 0000000000000000 R15: 00007ffcf512b8c0
| [   45.364502][  T547] softirqs last disabled at (29932): netif_change_name (./include/linux/spinlock.h:353 ./include/linux/seqlock.h:908 net/core/dev.c:1499)
| [   45.364505][  T547] Preemption disabled at:
| [   45.364505][  T547] vprintk_emit (kernel/printk/printk.c:2471)
| [   45.364520][  T547] Tainted: [W]=WARN
[   45.364521][  T547] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   45.364522][  T547] Call Trace:
[   45.364524][  T547]  <TASK>
[   45.364526][  T547]  dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120)
[   45.364531][  T547]  ? vprintk_emit (kernel/printk/printk.c:2471)
[   45.364533][  T547]  __might_resched.cold (kernel/sched/core.c:9234)
[   45.364537][  T547]  ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3))
[   45.364541][  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)
[   45.364547][  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))
[   45.364550][  T547]  ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[   45.364556][  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)
[   45.364559][  T547]  alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[   45.364563][  T547]  put_chars (drivers/char/virtio_console.c:1176)
[   45.364565][  T547]  ? __send_to_port (drivers/char/virtio_console.c:654)
[   45.364569][  T547]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380)
[   45.364573][  T547]  ? validate_chain (kernel/locking/lockdep.c:3817 (discriminator 2) kernel/locking/lockdep.c:3837 (discriminator 2) kernel/locking/lockdep.c:3892 (discriminator 2))
[   45.364578][  T547]  hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2))
[   45.364581][  T547]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   45.364583][  T547]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   45.364588][  T547]  ? hvc_write (drivers/tty/hvc/hvc_console.c:501)
[   45.364591][  T547]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   45.364594][  T547]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   45.364599][  T547]  console_emit_next_record (kernel/printk/printk.c:3183)
[   45.364602][  T547]  ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20)
[   45.364603][  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))
[   45.364606][  T547]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   45.364608][  T547]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   45.364612][  T547]  console_flush_one_record (kernel/printk/printk.c:3268)
[   45.364616][  T547]  ? console_emit_next_record (kernel/printk/printk.c:3150)
[   45.364618][  T547]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   45.364623][  T547]  console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420)
[   45.364625][  T547]  ? console_flush_one_record (kernel/printk/printk.c:3316)
[   45.364627][  T547]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   45.364629][  T547]  ? lock_acquire (kernel/locking/lockdep.c:5913)
[   45.364633][  T547]  ? __down_trylock_console_sem (kernel/printk/printk.c:334)
[   45.364635][  T547]  ? vprintk_emit (kernel/printk/printk.c:2478)
[   45.364637][  T547]  vprintk_emit (kernel/printk/printk.c:2479)
[   45.364641][  T547]  ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126))
[   45.364643][  T547]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   45.364645][  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))
[   45.364647][  T547]  ? find_held_lock (kernel/locking/lockdep.c:5360)
[   45.364651][  T547]  _printk (kernel/printk/printk.c:2504)
[   45.364655][  T547]  ? snapshot_read.cold (user.c:?)
[   45.364657][  T547]  ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4116 (discriminator 3) kernel/rcu/tree.c:4108 (discriminator 3))
[   45.364659][  T547]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380)
[   45.364662][  T547]  ? validate_chain (kernel/locking/lockdep.c:3817 (discriminator 2) kernel/locking/lockdep.c:3837 (discriminator 2) kernel/locking/lockdep.c:3892 (discriminator 2))
[   45.364664][  T547]  ? netdev_name (./include/linux/netdevice.h:5709 (discriminator 1))
[   45.364667][  T547]  ? __netdev_printk (net/core/dev.c:13148 (discriminator 2))
[   45.364670][  T547]  ? do_setlink.isra.0 (net/core/rtnetlink.c:3246)
[   45.364672][  T547]  netdev_info (net/core/dev.c:13195 (discriminator 3))
[   45.364675][  T547]  ? netdev_notice (net/core/dev.c:13194)
[   45.364678][  T547]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[   45.364681][  T547]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554)
[   45.364683][  T547]  ? mark_held_locks (kernel/locking/lockdep.c:4341)
[   45.364687][  T547]  ? do_setlink.isra.0 (net/core/rtnetlink.c:3246)
[   45.364689][  T547]  netif_change_name.cold (net/core/dev.c:1507 (discriminator 3))
[   45.364692][  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))
[   45.364698][  T547]  ? netdev_adjacent_rename_links (net/core/dev.c:9598)
[   45.364701][  T547]  ? __kernel_text_address (kernel/extable.c:79)
[   45.364704][  T547]  ? write_profile (profile.c:?)
[   45.364708][  T547]  ? __asan_memset (mm/kasan/shadow.c:84 (discriminator 1))
[   45.364713][  T547]  do_setlink.isra.0 (net/core/rtnetlink.c:3246)
[   45.364718][  T547]  ? stack_trace_save (kernel/stacktrace.c:122 (discriminator 1))
[   45.364720][  T547]  ? rtnl_link_get_size (net/core/rtnetlink.c:747)
[   45.364721][  T547]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:388 kernel/rcu/update.c:380)
[   45.364724][  T547]  ? stack_depot_save_flags (lib/stackdepot.c:609 (discriminator 2) lib/stackdepot.c:676 (discriminator 2))
[   45.364727][  T547]  ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4116 (discriminator 3) kernel/rcu/tree.c:4108 (discriminator 3))
[   45.364729][  T547]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380)
[   45.364731][  T547]  ? validate_chain (kernel/locking/lockdep.c:3817 (discriminator 2) kernel/locking/lockdep.c:3837 (discriminator 2) kernel/locking/lockdep.c:3892 (discriminator 2))
[   45.364734][  T547]  ? kasan_save_stack (mm/kasan/common.c:58)
[   45.364737][  T547]  ? kasan_save_stack (mm/kasan/common.c:57)
[   45.364739][  T547]  ? kasan_save_track (mm/kasan/common.c:78)
[   45.364742][  T547]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   45.364744][  T547]  ? netlink_update_listeners (net/netlink/af_netlink.c:532)
[   45.364747][  T547]  ? ___sys_sendmsg (net/socket.c:2744 net/socket.c:2763)
[   45.364752][  T547]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2))
[   45.364754][  T547]  ? rtnl_newlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:366 net/core/rtnetlink.c:4214)
[   45.364756][  T547]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   45.364758][  T547]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   45.364760][  T547]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   45.364761][  T547]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   45.364763][  T547]  ? trace_contention_end (./include/trace/events/lock.h:121 (discriminator 22))
[   45.364766][  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)
[   45.364769][  T547]  ? __mutex_lock (kernel/locking/mutex.c:656 (discriminator 1) kernel/locking/mutex.c:821 (discriminator 1))
[   45.364772][  T547]  ? rtnl_newlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:366 net/core/rtnetlink.c:4214)
[   45.364775][  T547]  ? ww_mutex_lock (kernel/locking/mutex.c:934)
[   45.364777][  T547]  ? nla_get_range_signed (lib/nlattr.c:270)
[   45.364783][  T547]  ? __rtnl_newlink (net/core/rtnetlink.c:4063)
[   45.364788][  T547]  rtnl_newlink (net/core/rtnetlink.c:4215)
[   45.364794][  T547]  ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558)
[   45.364796][  T547]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   45.364801][  T547]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2))
[   45.364803][  T547]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[   45.364805][  T547]  ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558)
[   45.364807][  T547]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554)
[   45.364811][  T547]  ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558)
[   45.364813][  T547]  rtnetlink_rcv_msg (net/core/rtnetlink.c:7132)
[   45.364816][  T547]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   45.364817][  T547]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   45.364822][  T547]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2))
[   45.364824][  T547]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[   45.364828][  T547]  netlink_rcv_skb (net/netlink/af_netlink.c:2556)
[   45.364830][  T547]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   45.364833][  T547]  ? netlink_ack (./include/linux/skbuff.h:2718)
[   45.364840][  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))
[   45.364841][  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))
[   45.364845][  T547]  netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[   45.364849][  T547]  ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[   45.364852][  T547]  ? __lock_acquire (kernel/locking/lockdep.c:5251 (discriminator 3))
[   45.364856][  T547]  netlink_sendmsg (net/netlink/af_netlink.c:1900)
[   45.364860][  T547]  ? netlink_unicast (./include/net/net_namespace.h:422 (discriminator 7))
[   45.364862][  T547]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554)
[   45.364865][  T547]  ? __might_fault (mm/memory.c:7482 (discriminator 5))
[   45.364868][  T547]  ? __might_fault (mm/memory.c:7482 (discriminator 5))
[   45.364873][  T547]  ____sys_sendmsg (net/socket.c:800 (discriminator 4) net/socket.c:815 (discriminator 4) net/socket.c:2713 (discriminator 4))
[   45.364875][  T547]  ? copy_msghdr_from_user (net/socket.c:2650)
[   45.364877][  T547]  ? get_timestamp.constprop.0 (./include/linux/netdevice.h:5399)
[   45.364879][  T547]  ? move_addr_to_kernel (./include/linux/audit.h:354 (discriminator 1))
[   45.364887][  T547]  ___sys_sendmsg (net/socket.c:2767)
[   45.364890][  T547]  ? copy_msghdr_from_user (net/socket.c:2619)
[   45.364907][  T547]  __sys_sendmsg (net/socket.c:2799)
[   45.364910][  T547]  ? __sys_sendmsg_sock (net/socket.c:2780)
[   45.364917][  T547]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   45.364920][  T547]  do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84)
[   45.364922][  T547]  ? exc_page_fault (arch/x86/mm/fault.c:1489 (discriminator 3) arch/x86/mm/fault.c:1536 (discriminator 3))
[   45.364926][  T547]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[   45.364928][  T547] RIP: 0033:0x7f52eefbd54e
[   45.364932][  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
[   45.364934][  T547] RSP: 002b:00007ffd73219e20 EFLAGS: 00000202 ORIG_RAX: 000000000000002e
[   45.364937][  T547] RAX: ffffffffffffffda RBX: 0000000000000003 RCX: 00007f52eefbd54e
[   45.364938][  T547] RDX: 0000000000000000 RSI: 00007ffd73219ed0 RDI: 0000000000000005
[   45.364939][  T547] RBP: 00007ffd73219e30 R08: 0000000000000000 R09: 0000000000000000
[   45.364940][  T547] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a918d7b
[   45.364941][  T547] R13: 00000000004a1620 R14: 0000000000000000 R15: 00007ffd7321a5a0
| [   46.465841][  T554] softirqs last disabled at (30700): netif_change_name (./include/linux/spinlock.h:353 ./include/linux/seqlock.h:908 net/core/dev.c:1499)
| [   46.465844][  T554] Preemption disabled at:
| [   46.465845][  T554] vprintk_emit (kernel/printk/printk.c:2471)
| [   46.465858][  T554] Tainted: [W]=WARN
[   46.465859][  T554] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   46.465862][  T554] Call Trace:
[   46.465864][  T554]  <TASK>
[   46.465867][  T554]  dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120)
[   46.465873][  T554]  ? vprintk_emit (kernel/printk/printk.c:2471)
[   46.465876][  T554]  __might_resched.cold (kernel/sched/core.c:9234)
[   46.465883][  T554]  ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3))
[   46.465887][  T554]  ? __kmalloc_noprof (./include/linux/sched/mm.h:317 mm/slub.c:4636 mm/slub.c:4974 mm/slub.c:5413 mm/slub.c:5439)
[   46.465895][  T554]  __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))
[   46.465899][  T554]  ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[   46.465909][  T554]  ? 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)
[   46.465913][  T554]  alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[   46.465918][  T554]  put_chars (drivers/char/virtio_console.c:1176)
[   46.465923][  T554]  ? __send_to_port (drivers/char/virtio_console.c:654)
[   46.465929][  T554]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380)
[   46.465934][  T554]  ? validate_chain (kernel/locking/lockdep.c:3817 (discriminator 2) kernel/locking/lockdep.c:3837 (discriminator 2) kernel/locking/lockdep.c:3892 (discriminator 2))
[   46.465942][  T554]  hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2))
[   46.465947][  T554]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   46.465950][  T554]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   46.465959][  T554]  ? hvc_write (drivers/tty/hvc/hvc_console.c:501)
[   46.465965][  T554]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   46.465969][  T554]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   46.465977][  T554]  console_emit_next_record (kernel/printk/printk.c:3183)
[   46.465982][  T554]  ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20)
[   46.465985][  T554]  ? 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))
[   46.465992][  T554]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   46.465995][  T554]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   46.466002][  T554]  console_flush_one_record (kernel/printk/printk.c:3268)
[   46.466009][  T554]  ? console_emit_next_record (kernel/printk/printk.c:3150)
[   46.466011][  T554]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   46.466021][  T554]  console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420)
[   46.466025][  T554]  ? console_flush_one_record (kernel/printk/printk.c:3316)
[   46.466028][  T554]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   46.466031][  T554]  ? lock_acquire (kernel/locking/lockdep.c:5913)
[   46.466037][  T554]  ? __down_trylock_console_sem (kernel/printk/printk.c:334)
[   46.466040][  T554]  ? vprintk_emit (kernel/printk/printk.c:2478)
[   46.466045][  T554]  vprintk_emit (kernel/printk/printk.c:2479)
[   46.466051][  T554]  ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126))
[   46.466055][  T554]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   46.466058][  T554]  ? 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))
[   46.466061][  T554]  ? find_held_lock (kernel/locking/lockdep.c:5360)
[   46.466068][  T554]  _printk (kernel/printk/printk.c:2504)
[   46.466074][  T554]  ? snapshot_read.cold (user.c:?)
[   46.466076][  T554]  ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4116 (discriminator 3) kernel/rcu/tree.c:4108 (discriminator 3))
[   46.466081][  T554]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380)
[   46.466085][  T554]  ? validate_chain (kernel/locking/lockdep.c:3817 (discriminator 2) kernel/locking/lockdep.c:3837 (discriminator 2) kernel/locking/lockdep.c:3892 (discriminator 2))
[   46.466089][  T554]  ? netdev_name (./include/linux/netdevice.h:5709 (discriminator 1))
[   46.466094][  T554]  ? __netdev_printk (net/core/dev.c:13148 (discriminator 2))
[   46.466098][  T554]  ? do_setlink.isra.0 (net/core/rtnetlink.c:3246)
[   46.466102][  T554]  netdev_info (net/core/dev.c:13195 (discriminator 3))
[   46.466107][  T554]  ? netdev_notice (net/core/dev.c:13194)
[   46.466111][  T554]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[   46.466117][  T554]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554)
[   46.466121][  T554]  ? mark_held_locks (kernel/locking/lockdep.c:4341)
[   46.466128][  T554]  ? do_setlink.isra.0 (net/core/rtnetlink.c:3246)
[   46.466131][  T554]  netif_change_name.cold (net/core/dev.c:1507 (discriminator 3))
[   46.466136][  T554]  ? 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))
[   46.466146][  T554]  ? netdev_adjacent_rename_links (net/core/dev.c:9598)
[   46.466150][  T554]  ? __kernel_text_address (kernel/extable.c:79)
[   46.466154][  T554]  ? write_profile (profile.c:?)
[   46.466160][  T554]  ? __asan_memset (mm/kasan/shadow.c:84 (discriminator 1))
[   46.466169][  T554]  do_setlink.isra.0 (net/core/rtnetlink.c:3246)
[   46.466177][  T554]  ? stack_trace_save (kernel/stacktrace.c:122 (discriminator 1))
[   46.466181][  T554]  ? rtnl_link_get_size (net/core/rtnetlink.c:747)
[   46.466183][  T554]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:388 kernel/rcu/update.c:380)
[   46.466186][  T554]  ? stack_depot_save_flags (lib/stackdepot.c:609 (discriminator 2) lib/stackdepot.c:676 (discriminator 2))
[   46.466191][  T554]  ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4116 (discriminator 3) kernel/rcu/tree.c:4108 (discriminator 3))
[   46.466195][  T554]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380)
[   46.466199][  T554]  ? validate_chain (kernel/locking/lockdep.c:3817 (discriminator 2) kernel/locking/lockdep.c:3837 (discriminator 2) kernel/locking/lockdep.c:3892 (discriminator 2))
[   46.466203][  T554]  ? kasan_save_stack (mm/kasan/common.c:58)
[   46.466207][  T554]  ? kasan_save_stack (mm/kasan/common.c:57)
[   46.466210][  T554]  ? kasan_save_track (mm/kasan/common.c:78)
[   46.466215][  T554]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   46.466218][  T554]  ? netlink_update_listeners (net/netlink/af_netlink.c:532)
[   46.466222][  T554]  ? ___sys_sendmsg (net/socket.c:2744 net/socket.c:2763)
[   46.466230][  T554]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2))
[   46.466234][  T554]  ? rtnl_newlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:366 net/core/rtnetlink.c:4214)
[   46.466239][  T554]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   46.466242][  T554]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   46.466245][  T554]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   46.466247][  T554]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   46.466251][  T554]  ? trace_contention_end (./include/trace/events/lock.h:121 (discriminator 22))
[   46.466255][  T554]  ? __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)
[   46.466259][  T554]  ? __mutex_lock (kernel/locking/mutex.c:656 (discriminator 1) kernel/locking/mutex.c:821 (discriminator 1))
[   46.466263][  T554]  ? rtnl_newlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:366 net/core/rtnetlink.c:4214)
[   46.466270][  T554]  ? ww_mutex_lock (kernel/locking/mutex.c:934)
[   46.466273][  T554]  ? nla_get_range_signed (lib/nlattr.c:270)
[   46.466283][  T554]  ? __rtnl_newlink (net/core/rtnetlink.c:4063)
[   46.466293][  T554]  rtnl_newlink (net/core/rtnetlink.c:4215)
[   46.466304][  T554]  ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558)
[   46.466307][  T554]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   46.466316][  T554]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2))
[   46.466319][  T554]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[   46.466323][  T554]  ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558)
[   46.466326][  T554]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554)
[   46.466333][  T554]  ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558)
[   46.466337][  T554]  rtnetlink_rcv_msg (net/core/rtnetlink.c:7132)
[   46.466343][  T554]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   46.466345][  T554]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   46.466354][  T554]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2))
[   46.466357][  T554]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[   46.466364][  T554]  netlink_rcv_skb (net/netlink/af_netlink.c:2556)
[   46.466367][  T554]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   46.466372][  T554]  ? netlink_ack (./include/linux/skbuff.h:2718)
[   46.466384][  T554]  ? 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))
[   46.466386][  T554]  ? 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))
[   46.466394][  T554]  netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[   46.466401][  T554]  ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[   46.466406][  T554]  ? __lock_acquire (kernel/locking/lockdep.c:5251 (discriminator 3))
[   46.466414][  T554]  netlink_sendmsg (net/netlink/af_netlink.c:1900)
[   46.466421][  T554]  ? netlink_unicast (./include/net/net_namespace.h:422 (discriminator 7))
[   46.466424][  T554]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554)
[   46.466429][  T554]  ? __might_fault (mm/memory.c:7482 (discriminator 5))
[   46.466434][  T554]  ? __might_fault (mm/memory.c:7482 (discriminator 5))
[   46.466442][  T554]  ____sys_sendmsg (net/socket.c:800 (discriminator 4) net/socket.c:815 (discriminator 4) net/socket.c:2713 (discriminator 4))
[   46.466445][  T554]  ? copy_msghdr_from_user (net/socket.c:2650)
[   46.466449][  T554]  ? get_timestamp.constprop.0 (./include/linux/netdevice.h:5399)
[   46.466452][  T554]  ? move_addr_to_kernel (./include/linux/audit.h:354 (discriminator 1))
[   46.466466][  T554]  ___sys_sendmsg (net/socket.c:2767)
[   46.466471][  T554]  ? copy_msghdr_from_user (net/socket.c:2619)
[   46.466503][  T554]  __sys_sendmsg (net/socket.c:2799)
[   46.466508][  T554]  ? __sys_sendmsg_sock (net/socket.c:2780)
[   46.466524][  T554]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   46.466530][  T554]  do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84)
[   46.466534][  T554]  ? exc_page_fault (arch/x86/mm/fault.c:1489 (discriminator 3) arch/x86/mm/fault.c:1536 (discriminator 3))
[   46.466539][  T554]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[   46.466543][  T554] RIP: 0033:0x7f47b5cc154e
[   46.466549][  T554] 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
[   46.466552][  T554] RSP: 002b:00007ffe8af6f570 EFLAGS: 00000202 ORIG_RAX: 000000000000002e
[   46.466556][  T554] RAX: ffffffffffffffda RBX: 0000000000000003 RCX: 00007f47b5cc154e
[   46.466558][  T554] RDX: 0000000000000000 RSI: 00007ffe8af6f620 RDI: 0000000000000005
[   46.466560][  T554] RBP: 00007ffe8af6f580 R08: 0000000000000000 R09: 0000000000000000
[   46.466561][  T554] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a918d7c
[   46.466563][  T554] R13: 00000000004a1620 R14: 0000000000000000 R15: 00007ffe8af6fcf0
| [   47.569823][  T563] softirqs last disabled at (18464): netif_change_name (./include/linux/spinlock.h:353 ./include/linux/seqlock.h:908 net/core/dev.c:1499)
| [   47.569826][  T563] Preemption disabled at:
| [   47.569827][  T563] vprintk_emit (kernel/printk/printk.c:2471)
| [   47.569836][  T563] Tainted: [W]=WARN
[   47.569837][  T563] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   47.569839][  T563] Call Trace:
[   47.569841][  T563]  <TASK>
[   47.569842][  T563]  dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120)
[   47.569847][  T563]  ? vprintk_emit (kernel/printk/printk.c:2471)
[   47.569849][  T563]  __might_resched.cold (kernel/sched/core.c:9234)
[   47.569854][  T563]  ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3))
[   47.569857][  T563]  ? __kmalloc_noprof (./include/linux/sched/mm.h:317 mm/slub.c:4636 mm/slub.c:4974 mm/slub.c:5413 mm/slub.c:5439)
[   47.569863][  T563]  __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))
[   47.569865][  T563]  ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[   47.569872][  T563]  ? 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)
[   47.569875][  T563]  alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[   47.569878][  T563]  put_chars (drivers/char/virtio_console.c:1176)
[   47.569881][  T563]  ? __send_to_port (drivers/char/virtio_console.c:654)
[   47.569885][  T563]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380)
[   47.569889][  T563]  ? validate_chain (kernel/locking/lockdep.c:3817 (discriminator 2) kernel/locking/lockdep.c:3837 (discriminator 2) kernel/locking/lockdep.c:3892 (discriminator 2))
[   47.569894][  T563]  hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2))
[   47.569898][  T563]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   47.569899][  T563]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   47.569904][  T563]  ? hvc_write (drivers/tty/hvc/hvc_console.c:501)
[   47.569908][  T563]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   47.569911][  T563]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   47.569915][  T563]  console_emit_next_record (kernel/printk/printk.c:3183)
[   47.569919][  T563]  ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20)
[   47.569920][  T563]  ? 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))
[   47.569923][  T563]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   47.569925][  T563]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   47.569930][  T563]  console_flush_one_record (kernel/printk/printk.c:3268)
[   47.569933][  T563]  ? console_emit_next_record (kernel/printk/printk.c:3150)
[   47.569935][  T563]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   47.569941][  T563]  console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420)
[   47.569943][  T563]  ? console_flush_one_record (kernel/printk/printk.c:3316)
[   47.569944][  T563]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   47.569946][  T563]  ? lock_acquire (kernel/locking/lockdep.c:5913)
[   47.569950][  T563]  ? __down_trylock_console_sem (kernel/printk/printk.c:334)
[   47.569952][  T563]  ? vprintk_emit (kernel/printk/printk.c:2478)
[   47.569956][  T563]  vprintk_emit (kernel/printk/printk.c:2479)
[   47.569959][  T563]  ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126))
[   47.569961][  T563]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   47.569963][  T563]  ? 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))
[   47.569965][  T563]  ? find_held_lock (kernel/locking/lockdep.c:5360)
[   47.569969][  T563]  _printk (kernel/printk/printk.c:2504)
[   47.569973][  T563]  ? snapshot_read.cold (user.c:?)
[   47.569975][  T563]  ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4116 (discriminator 3) kernel/rcu/tree.c:4108 (discriminator 3))
[   47.569978][  T563]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380)
[   47.569980][  T563]  ? validate_chain (kernel/locking/lockdep.c:3817 (discriminator 2) kernel/locking/lockdep.c:3837 (discriminator 2) kernel/locking/lockdep.c:3892 (discriminator 2))
[   47.569982][  T563]  ? netdev_name (./include/linux/netdevice.h:5709 (discriminator 1))
[   47.569986][  T563]  ? __netdev_printk (net/core/dev.c:13148 (discriminator 2))
[   47.569988][  T563]  ? do_setlink.isra.0 (net/core/rtnetlink.c:3246)
[   47.569991][  T563]  netdev_info (net/core/dev.c:13195 (discriminator 3))
[   47.569994][  T563]  ? netdev_notice (net/core/dev.c:13194)
[   47.569996][  T563]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[   47.569999][  T563]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554)
[   47.570002][  T563]  ? mark_held_locks (kernel/locking/lockdep.c:4341)
[   47.570006][  T563]  ? do_setlink.isra.0 (net/core/rtnetlink.c:3246)
[   47.570008][  T563]  netif_change_name.cold (net/core/dev.c:1507 (discriminator 3))
[   47.570011][  T563]  ? 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))
[   47.570018][  T563]  ? netdev_adjacent_rename_links (net/core/dev.c:9598)
[   47.570021][  T563]  ? __kernel_text_address (kernel/extable.c:79)
[   47.570024][  T563]  ? write_profile (profile.c:?)
[   47.570028][  T563]  ? __asan_memset (mm/kasan/shadow.c:84 (discriminator 1))
[   47.570033][  T563]  do_setlink.isra.0 (net/core/rtnetlink.c:3246)
[   47.570038][  T563]  ? stack_trace_save (kernel/stacktrace.c:122 (discriminator 1))
[   47.570041][  T563]  ? rtnl_link_get_size (net/core/rtnetlink.c:747)
[   47.570042][  T563]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:388 kernel/rcu/update.c:380)
[   47.570044][  T563]  ? stack_depot_save_flags (lib/stackdepot.c:609 (discriminator 2) lib/stackdepot.c:676 (discriminator 2))
[   47.570048][  T563]  ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4116 (discriminator 3) kernel/rcu/tree.c:4108 (discriminator 3))
[   47.570050][  T563]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380)
[   47.570054][  T563]  ? validate_chain (kernel/locking/lockdep.c:3817 (discriminator 2) kernel/locking/lockdep.c:3837 (discriminator 2) kernel/locking/lockdep.c:3892 (discriminator 2))
[   47.570057][  T563]  ? kasan_save_stack (mm/kasan/common.c:58)
[   47.570060][  T563]  ? kasan_save_stack (mm/kasan/common.c:57)
[   47.570062][  T563]  ? kasan_save_track (mm/kasan/common.c:78)
[   47.570065][  T563]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   47.570067][  T563]  ? netlink_update_listeners (net/netlink/af_netlink.c:532)
[   47.570070][  T563]  ? ___sys_sendmsg (net/socket.c:2744 net/socket.c:2763)
[   47.570075][  T563]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2))
[   47.570078][  T563]  ? rtnl_newlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:366 net/core/rtnetlink.c:4214)
[   47.570080][  T563]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   47.570082][  T563]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   47.570084][  T563]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   47.570085][  T563]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   47.570087][  T563]  ? trace_contention_end (./include/trace/events/lock.h:121 (discriminator 22))
[   47.570090][  T563]  ? __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)
[   47.570094][  T563]  ? __mutex_lock (kernel/locking/mutex.c:656 (discriminator 1) kernel/locking/mutex.c:821 (discriminator 1))
[   47.570096][  T563]  ? rtnl_newlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:366 net/core/rtnetlink.c:4214)
[   47.570100][  T563]  ? ww_mutex_lock (kernel/locking/mutex.c:934)
[   47.570102][  T563]  ? nla_get_range_signed (lib/nlattr.c:270)
[   47.570108][  T563]  ? __rtnl_newlink (net/core/rtnetlink.c:4063)
[   47.570113][  T563]  rtnl_newlink (net/core/rtnetlink.c:4215)
[   47.570118][  T563]  ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558)
[   47.570120][  T563]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   47.570125][  T563]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2))
[   47.570127][  T563]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[   47.570129][  T563]  ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558)
[   47.570131][  T563]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554)
[   47.570135][  T563]  ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558)
[   47.570137][  T563]  rtnetlink_rcv_msg (net/core/rtnetlink.c:7132)
[   47.570140][  T563]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   47.570142][  T563]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   47.570147][  T563]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2))
[   47.570149][  T563]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[   47.570153][  T563]  netlink_rcv_skb (net/netlink/af_netlink.c:2556)
[   47.570154][  T563]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   47.570157][  T563]  ? netlink_ack (./include/linux/skbuff.h:2718)
[   47.570164][  T563]  ? 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))
[   47.570165][  T563]  ? 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))
[   47.570169][  T563]  netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[   47.570173][  T563]  ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[   47.570176][  T563]  ? __lock_acquire (kernel/locking/lockdep.c:5251 (discriminator 3))
[   47.570181][  T563]  netlink_sendmsg (net/netlink/af_netlink.c:1900)
[   47.570184][  T563]  ? netlink_unicast (./include/net/net_namespace.h:422 (discriminator 7))
[   47.570186][  T563]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554)
[   47.570189][  T563]  ? __might_fault (mm/memory.c:7482 (discriminator 5))
[   47.570193][  T563]  ? __might_fault (mm/memory.c:7482 (discriminator 5))
[   47.570197][  T563]  ____sys_sendmsg (net/socket.c:800 (discriminator 4) net/socket.c:815 (discriminator 4) net/socket.c:2713 (discriminator 4))
[   47.570200][  T563]  ? copy_msghdr_from_user (net/socket.c:2650)
[   47.570202][  T563]  ? get_timestamp.constprop.0 (./include/linux/netdevice.h:5399)
[   47.570204][  T563]  ? move_addr_to_kernel (./include/linux/audit.h:354 (discriminator 1))
[   47.570211][  T563]  ___sys_sendmsg (net/socket.c:2767)
[   47.570214][  T563]  ? copy_msghdr_from_user (net/socket.c:2619)
[   47.570231][  T563]  __sys_sendmsg (net/socket.c:2799)
[   47.570234][  T563]  ? __sys_sendmsg_sock (net/socket.c:2780)
[   47.570241][  T563]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   47.570244][  T563]  do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84)
[   47.570247][  T563]  ? exc_page_fault (arch/x86/mm/fault.c:1489 (discriminator 3) arch/x86/mm/fault.c:1536 (discriminator 3))
[   47.570250][  T563]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[   47.570252][  T563] RIP: 0033:0x7f2f4647154e
[   47.570256][  T563] 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
[   47.570258][  T563] RSP: 002b:00007ffd91008bd0 EFLAGS: 00000202 ORIG_RAX: 000000000000002e
[   47.570261][  T563] RAX: ffffffffffffffda RBX: 0000000000000003 RCX: 00007f2f4647154e
[   47.570262][  T563] RDX: 0000000000000000 RSI: 00007ffd91008c80 RDI: 0000000000000005
[   47.570263][  T563] RBP: 00007ffd91008be0 R08: 0000000000000000 R09: 0000000000000000
[   47.570264][  T563] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a918d7d
[   47.570265][  T563] R13: 00000000004a1620 R14: 0000000000000000 R15: 00007ffd91009350
| [   48.837241][  T571] softirqs last disabled at (24732): netif_change_name (./include/linux/spinlock.h:353 ./include/linux/seqlock.h:908 net/core/dev.c:1499)
| [   48.837245][  T571] Preemption disabled at:
| [   48.837246][  T571] vprintk_emit (kernel/printk/printk.c:2471)
| [   48.837257][  T571] Tainted: [W]=WARN
[   48.837259][  T571] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   48.837261][  T571] Call Trace:
[   48.837263][  T571]  <TASK>
[   48.837265][  T571]  dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120)
[   48.837272][  T571]  ? vprintk_emit (kernel/printk/printk.c:2471)
[   48.837275][  T571]  __might_resched.cold (kernel/sched/core.c:9234)
[   48.837282][  T571]  ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3))
[   48.837286][  T571]  ? __kmalloc_noprof (./include/linux/sched/mm.h:317 mm/slub.c:4636 mm/slub.c:4974 mm/slub.c:5413 mm/slub.c:5439)
[   48.837297][  T571]  __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))
[   48.837300][  T571]  ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[   48.837310][  T571]  ? 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)
[   48.837314][  T571]  alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[   48.837319][  T571]  put_chars (drivers/char/virtio_console.c:1176)
[   48.837324][  T571]  ? __send_to_port (drivers/char/virtio_console.c:654)
[   48.837330][  T571]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380)
[   48.837335][  T571]  ? validate_chain (kernel/locking/lockdep.c:3817 (discriminator 2) kernel/locking/lockdep.c:3837 (discriminator 2) kernel/locking/lockdep.c:3892 (discriminator 2))
[   48.837342][  T571]  hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2))
[   48.837347][  T571]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   48.837350][  T571]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   48.837358][  T571]  ? hvc_write (drivers/tty/hvc/hvc_console.c:501)
[   48.837364][  T571]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   48.837368][  T571]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   48.837375][  T571]  console_emit_next_record (kernel/printk/printk.c:3183)
[   48.837381][  T571]  ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20)
[   48.837383][  T571]  ? 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))
[   48.837388][  T571]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   48.837391][  T571]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   48.837399][  T571]  console_flush_one_record (kernel/printk/printk.c:3268)
[   48.837406][  T571]  ? console_emit_next_record (kernel/printk/printk.c:3150)
[   48.837408][  T571]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   48.837418][  T571]  console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420)
[   48.837422][  T571]  ? console_flush_one_record (kernel/printk/printk.c:3316)
[   48.837424][  T571]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   48.837428][  T571]  ? lock_acquire (kernel/locking/lockdep.c:5913)
[   48.837434][  T571]  ? __down_trylock_console_sem (kernel/printk/printk.c:334)
[   48.837436][  T571]  ? vprintk_emit (kernel/printk/printk.c:2478)
[   48.837441][  T571]  vprintk_emit (kernel/printk/printk.c:2479)
[   48.837447][  T571]  ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126))
[   48.837450][  T571]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   48.837453][  T571]  ? 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))
[   48.837457][  T571]  ? find_held_lock (kernel/locking/lockdep.c:5360)
[   48.837464][  T571]  _printk (kernel/printk/printk.c:2504)
[   48.837469][  T571]  ? snapshot_read.cold (user.c:?)
[   48.837471][  T571]  ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4116 (discriminator 3) kernel/rcu/tree.c:4108 (discriminator 3))
[   48.837477][  T571]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380)
[   48.837480][  T571]  ? validate_chain (kernel/locking/lockdep.c:3817 (discriminator 2) kernel/locking/lockdep.c:3837 (discriminator 2) kernel/locking/lockdep.c:3892 (discriminator 2))
[   48.837484][  T571]  ? netdev_name (./include/linux/netdevice.h:5709 (discriminator 1))
[   48.837489][  T571]  ? __netdev_printk (net/core/dev.c:13148 (discriminator 2))
[   48.837494][  T571]  ? do_setlink.isra.0 (net/core/rtnetlink.c:3246)
[   48.837498][  T571]  netdev_info (net/core/dev.c:13195 (discriminator 3))
[   48.837502][  T571]  ? netdev_notice (net/core/dev.c:13194)
[   48.837507][  T571]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[   48.837512][  T571]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554)
[   48.837516][  T571]  ? mark_held_locks (kernel/locking/lockdep.c:4341)
[   48.837528][  T571]  ? do_setlink.isra.0 (net/core/rtnetlink.c:3246)
[   48.837532][  T571]  netif_change_name.cold (net/core/dev.c:1507 (discriminator 3))
[   48.837537][  T571]  ? 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))
[   48.837549][  T571]  ? netdev_adjacent_rename_links (net/core/dev.c:9598)
[   48.837554][  T571]  ? __kernel_text_address (kernel/extable.c:79)
[   48.837558][  T571]  ? write_profile (profile.c:?)
[   48.837564][  T571]  ? __asan_memset (mm/kasan/shadow.c:84 (discriminator 1))
[   48.837573][  T571]  do_setlink.isra.0 (net/core/rtnetlink.c:3246)
[   48.837581][  T571]  ? stack_trace_save (kernel/stacktrace.c:122 (discriminator 1))
[   48.837585][  T571]  ? rtnl_link_get_size (net/core/rtnetlink.c:747)
[   48.837587][  T571]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:388 kernel/rcu/update.c:380)
[   48.837590][  T571]  ? stack_depot_save_flags (lib/stackdepot.c:609 (discriminator 2) lib/stackdepot.c:676 (discriminator 2))
[   48.837595][  T571]  ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4116 (discriminator 3) kernel/rcu/tree.c:4108 (discriminator 3))
[   48.837599][  T571]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380)
[   48.837602][  T571]  ? validate_chain (kernel/locking/lockdep.c:3817 (discriminator 2) kernel/locking/lockdep.c:3837 (discriminator 2) kernel/locking/lockdep.c:3892 (discriminator 2))
[   48.837607][  T571]  ? kasan_save_stack (mm/kasan/common.c:58)
[   48.837611][  T571]  ? kasan_save_stack (mm/kasan/common.c:57)
[   48.837613][  T571]  ? kasan_save_track (mm/kasan/common.c:78)
[   48.837618][  T571]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   48.837622][  T571]  ? netlink_update_listeners (net/netlink/af_netlink.c:532)
[   48.837626][  T571]  ? ___sys_sendmsg (net/socket.c:2744 net/socket.c:2763)
[   48.837633][  T571]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2))
[   48.837637][  T571]  ? rtnl_newlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:366 net/core/rtnetlink.c:4214)
[   48.837641][  T571]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   48.837645][  T571]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   48.837648][  T571]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   48.837650][  T571]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   48.837653][  T571]  ? trace_contention_end (./include/trace/events/lock.h:121 (discriminator 22))
[   48.837658][  T571]  ? __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)
[   48.837662][  T571]  ? __mutex_lock (kernel/locking/mutex.c:656 (discriminator 1) kernel/locking/mutex.c:821 (discriminator 1))
[   48.837666][  T571]  ? rtnl_newlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:366 net/core/rtnetlink.c:4214)
[   48.837672][  T571]  ? ww_mutex_lock (kernel/locking/mutex.c:934)
[   48.837676][  T571]  ? nla_get_range_signed (lib/nlattr.c:270)
[   48.837686][  T571]  ? __rtnl_newlink (net/core/rtnetlink.c:4063)
[   48.837697][  T571]  rtnl_newlink (net/core/rtnetlink.c:4215)
[   48.837707][  T571]  ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558)
[   48.837710][  T571]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   48.837719][  T571]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2))
[   48.837722][  T571]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[   48.837726][  T571]  ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558)
[   48.837729][  T571]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554)
[   48.837736][  T571]  ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558)
[   48.837740][  T571]  rtnetlink_rcv_msg (net/core/rtnetlink.c:7132)
[   48.837746][  T571]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   48.837748][  T571]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   48.837756][  T571]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2))
[   48.837759][  T571]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[   48.837766][  T571]  netlink_rcv_skb (net/netlink/af_netlink.c:2556)
[   48.837769][  T571]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   48.837774][  T571]  ? netlink_ack (./include/linux/skbuff.h:2718)
[   48.837786][  T571]  ? 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))
[   48.837789][  T571]  ? 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))
[   48.837797][  T571]  netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[   48.837804][  T571]  ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[   48.837809][  T571]  ? __lock_acquire (kernel/locking/lockdep.c:5251 (discriminator 3))
[   48.837816][  T571]  netlink_sendmsg (net/netlink/af_netlink.c:1900)
[   48.837823][  T571]  ? netlink_unicast (./include/net/net_namespace.h:422 (discriminator 7))
[   48.837825][  T571]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554)
[   48.837831][  T571]  ? __might_fault (mm/memory.c:7482 (discriminator 5))
[   48.837836][  T571]  ? __might_fault (mm/memory.c:7482 (discriminator 5))
[   48.837844][  T571]  ____sys_sendmsg (net/socket.c:800 (discriminator 4) net/socket.c:815 (discriminator 4) net/socket.c:2713 (discriminator 4))
[   48.837848][  T571]  ? copy_msghdr_from_user (net/socket.c:2650)
[   48.837851][  T571]  ? get_timestamp.constprop.0 (./include/linux/netdevice.h:5399)
[   48.837854][  T571]  ? move_addr_to_kernel (./include/linux/audit.h:354 (discriminator 1))
[   48.837868][  T571]  ___sys_sendmsg (net/socket.c:2767)
[   48.837873][  T571]  ? copy_msghdr_from_user (net/socket.c:2619)
[   48.837898][  T571]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   48.837901][  T571]  ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22))
[   48.837909][  T571]  __sys_sendmsg (net/socket.c:2799)
[   48.837914][  T571]  ? __sys_sendmsg_sock (net/socket.c:2780)
[   48.837924][  T571]  ? __call_rcu_common.constprop.0 (kernel/rcu/tree.c:3206 (discriminator 6))
[   48.837929][  T571]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   48.837935][  T571]  do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84)
[   48.837939][  T571]  ? exc_page_fault (arch/x86/mm/fault.c:1489 (discriminator 3) arch/x86/mm/fault.c:1536 (discriminator 3))
[   48.837944][  T571]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[   48.837948][  T571] RIP: 0033:0x7f928049954e
[   48.837953][  T571] 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
[   48.837956][  T571] RSP: 002b:00007ffc8014cdb0 EFLAGS: 00000202 ORIG_RAX: 000000000000002e
[   48.837960][  T571] RAX: ffffffffffffffda RBX: 0000000000000003 RCX: 00007f928049954e
[   48.837963][  T571] RDX: 0000000000000000 RSI: 00007ffc8014ce60 RDI: 0000000000000005
[   48.837964][  T571] RBP: 00007ffc8014cdc0 R08: 0000000000000000 R09: 0000000000000000
[   48.837966][  T571] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a918d7f
[   48.837967][  T571] R13: 00000000004a1620 R14: 0000000000000000 R15: 00007ffc8014d530
| [   50.025909][  T578] softirqs last disabled at (19590): netif_change_name (./include/linux/spinlock.h:353 ./include/linux/seqlock.h:908 net/core/dev.c:1499)
| [   50.025913][  T578] Preemption disabled at:
| [   50.025914][  T578] vprintk_emit (kernel/printk/printk.c:2471)
| [   50.025926][  T578] Tainted: [W]=WARN
[   50.025927][  T578] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   50.025929][  T578] Call Trace:
[   50.025932][  T578]  <TASK>
[   50.025934][  T578]  dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120)
[   50.025940][  T578]  ? vprintk_emit (kernel/printk/printk.c:2471)
[   50.025943][  T578]  __might_resched.cold (kernel/sched/core.c:9234)
[   50.025950][  T578]  ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3))
[   50.025955][  T578]  ? __kmalloc_noprof (./include/linux/sched/mm.h:317 mm/slub.c:4636 mm/slub.c:4974 mm/slub.c:5413 mm/slub.c:5439)
[   50.025962][  T578]  __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))
[   50.025966][  T578]  ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[   50.025975][  T578]  ? 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)
[   50.025979][  T578]  alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[   50.025985][  T578]  put_chars (drivers/char/virtio_console.c:1176)
[   50.025990][  T578]  ? __send_to_port (drivers/char/virtio_console.c:654)
[   50.025996][  T578]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380)
[   50.026001][  T578]  ? validate_chain (kernel/locking/lockdep.c:3817 (discriminator 2) kernel/locking/lockdep.c:3837 (discriminator 2) kernel/locking/lockdep.c:3892 (discriminator 2))
[   50.026009][  T578]  hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2))
[   50.026013][  T578]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   50.026016][  T578]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   50.026025][  T578]  ? hvc_write (drivers/tty/hvc/hvc_console.c:501)
[   50.026031][  T578]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   50.026035][  T578]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   50.026042][  T578]  console_emit_next_record (kernel/printk/printk.c:3183)
[   50.026048][  T578]  ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20)
[   50.026050][  T578]  ? 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))
[   50.026058][  T578]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   50.026061][  T578]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   50.026068][  T578]  console_flush_one_record (kernel/printk/printk.c:3268)
[   50.026075][  T578]  ? console_emit_next_record (kernel/printk/printk.c:3150)
[   50.026077][  T578]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   50.026087][  T578]  console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420)
[   50.026091][  T578]  ? console_flush_one_record (kernel/printk/printk.c:3316)
[   50.026093][  T578]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   50.026097][  T578]  ? lock_acquire (kernel/locking/lockdep.c:5913)
[   50.026103][  T578]  ? __down_trylock_console_sem (kernel/printk/printk.c:334)
[   50.026106][  T578]  ? vprintk_emit (kernel/printk/printk.c:2478)
[   50.026112][  T578]  vprintk_emit (kernel/printk/printk.c:2479)
[   50.026117][  T578]  ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126))
[   50.026121][  T578]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   50.026124][  T578]  ? 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))
[   50.026127][  T578]  ? find_held_lock (kernel/locking/lockdep.c:5360)
[   50.026135][  T578]  _printk (kernel/printk/printk.c:2504)
[   50.026140][  T578]  ? snapshot_read.cold (user.c:?)
[   50.026142][  T578]  ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4116 (discriminator 3) kernel/rcu/tree.c:4108 (discriminator 3))
[   50.026147][  T578]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380)
[   50.026151][  T578]  ? validate_chain (kernel/locking/lockdep.c:3817 (discriminator 2) kernel/locking/lockdep.c:3837 (discriminator 2) kernel/locking/lockdep.c:3892 (discriminator 2))
[   50.026155][  T578]  ? netdev_name (./include/linux/netdevice.h:5709 (discriminator 1))
[   50.026160][  T578]  ? __netdev_printk (net/core/dev.c:13148 (discriminator 2))
[   50.026164][  T578]  ? do_setlink.isra.0 (net/core/rtnetlink.c:3246)
[   50.026168][  T578]  netdev_info (net/core/dev.c:13195 (discriminator 3))
[   50.026173][  T578]  ? netdev_notice (net/core/dev.c:13194)
[   50.026177][  T578]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[   50.026182][  T578]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554)
[   50.026187][  T578]  ? mark_held_locks (kernel/locking/lockdep.c:4341)
[   50.026193][  T578]  ? do_setlink.isra.0 (net/core/rtnetlink.c:3246)
[   50.026197][  T578]  netif_change_name.cold (net/core/dev.c:1507 (discriminator 3))
[   50.026202][  T578]  ? 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))
[   50.026211][  T578]  ? netdev_adjacent_rename_links (net/core/dev.c:9598)
[   50.026215][  T578]  ? __kernel_text_address (kernel/extable.c:79)
[   50.026219][  T578]  ? write_profile (profile.c:?)
[   50.026225][  T578]  ? __asan_memset (mm/kasan/shadow.c:84 (discriminator 1))
[   50.026234][  T578]  do_setlink.isra.0 (net/core/rtnetlink.c:3246)
[   50.026242][  T578]  ? stack_trace_save (kernel/stacktrace.c:122 (discriminator 1))
[   50.026245][  T578]  ? rtnl_link_get_size (net/core/rtnetlink.c:747)
[   50.026248][  T578]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:388 kernel/rcu/update.c:380)
[   50.026251][  T578]  ? stack_depot_save_flags (lib/stackdepot.c:609 (discriminator 2) lib/stackdepot.c:676 (discriminator 2))
[   50.026256][  T578]  ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4116 (discriminator 3) kernel/rcu/tree.c:4108 (discriminator 3))
[   50.026260][  T578]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380)
[   50.026263][  T578]  ? validate_chain (kernel/locking/lockdep.c:3817 (discriminator 2) kernel/locking/lockdep.c:3837 (discriminator 2) kernel/locking/lockdep.c:3892 (discriminator 2))
[   50.026268][  T578]  ? kasan_save_stack (mm/kasan/common.c:58)
[   50.026271][  T578]  ? kasan_save_stack (mm/kasan/common.c:57)
[   50.026274][  T578]  ? kasan_save_track (mm/kasan/common.c:78)
[   50.026279][  T578]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   50.026282][  T578]  ? netlink_update_listeners (net/netlink/af_netlink.c:532)
[   50.026286][  T578]  ? ___sys_sendmsg (net/socket.c:2744 net/socket.c:2763)
[   50.026294][  T578]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2))
[   50.026297][  T578]  ? rtnl_newlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:366 net/core/rtnetlink.c:4214)
[   50.026302][  T578]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   50.026305][  T578]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   50.026308][  T578]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   50.026310][  T578]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   50.026313][  T578]  ? trace_contention_end (./include/trace/events/lock.h:121 (discriminator 22))
[   50.026318][  T578]  ? __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)
[   50.026322][  T578]  ? __mutex_lock (kernel/locking/mutex.c:656 (discriminator 1) kernel/locking/mutex.c:821 (discriminator 1))
[   50.026326][  T578]  ? rtnl_newlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:366 net/core/rtnetlink.c:4214)
[   50.026332][  T578]  ? ww_mutex_lock (kernel/locking/mutex.c:934)
[   50.026335][  T578]  ? nla_get_range_signed (lib/nlattr.c:270)
[   50.026345][  T578]  ? __rtnl_newlink (net/core/rtnetlink.c:4063)
[   50.026354][  T578]  rtnl_newlink (net/core/rtnetlink.c:4215)
[   50.026364][  T578]  ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558)
[   50.026367][  T578]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   50.026375][  T578]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2))
[   50.026379][  T578]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[   50.026382][  T578]  ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558)
[   50.026385][  T578]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554)
[   50.026392][  T578]  ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558)
[   50.026396][  T578]  rtnetlink_rcv_msg (net/core/rtnetlink.c:7132)
[   50.026401][  T578]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   50.026403][  T578]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   50.026412][  T578]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2))
[   50.026415][  T578]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[   50.026422][  T578]  netlink_rcv_skb (net/netlink/af_netlink.c:2556)
[   50.026425][  T578]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   50.026430][  T578]  ? netlink_ack (./include/linux/skbuff.h:2718)
[   50.026442][  T578]  ? 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))
[   50.026444][  T578]  ? 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))
[   50.026452][  T578]  netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[   50.026459][  T578]  ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[   50.026464][  T578]  ? __lock_acquire (kernel/locking/lockdep.c:5251 (discriminator 3))
[   50.026471][  T578]  netlink_sendmsg (net/netlink/af_netlink.c:1900)
[   50.026477][  T578]  ? netlink_unicast (./include/net/net_namespace.h:422 (discriminator 7))
[   50.026480][  T578]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554)
[   50.026485][  T578]  ? __might_fault (mm/memory.c:7482 (discriminator 5))
[   50.026490][  T578]  ? __might_fault (mm/memory.c:7482 (discriminator 5))
[   50.026497][  T578]  ____sys_sendmsg (net/socket.c:800 (discriminator 4) net/socket.c:815 (discriminator 4) net/socket.c:2713 (discriminator 4))
[   50.026500][  T578]  ? copy_msghdr_from_user (net/socket.c:2650)
[   50.026504][  T578]  ? get_timestamp.constprop.0 (./include/linux/netdevice.h:5399)
[   50.026507][  T578]  ? move_addr_to_kernel (./include/linux/audit.h:354 (discriminator 1))
[   50.026521][  T578]  ___sys_sendmsg (net/socket.c:2767)
[   50.026531][  T578]  ? copy_msghdr_from_user (net/socket.c:2619)
[   50.026565][  T578]  __sys_sendmsg (net/socket.c:2799)
[   50.026570][  T578]  ? __sys_sendmsg_sock (net/socket.c:2780)
[   50.026582][  T578]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   50.026588][  T578]  do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84)
[   50.026592][  T578]  ? exc_page_fault (arch/x86/mm/fault.c:1489 (discriminator 3) arch/x86/mm/fault.c:1536 (discriminator 3))
[   50.026597][  T578]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[   50.026601][  T578] RIP: 0033:0x7ff7c78f554e
[   50.026606][  T578] 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
[   50.026609][  T578] RSP: 002b:00007ffc1cf0a060 EFLAGS: 00000202 ORIG_RAX: 000000000000002e
[   50.026613][  T578] RAX: ffffffffffffffda RBX: 0000000000000003 RCX: 00007ff7c78f554e
[   50.026615][  T578] RDX: 0000000000000000 RSI: 00007ffc1cf0a110 RDI: 0000000000000005
[   50.026617][  T578] RBP: 00007ffc1cf0a070 R08: 0000000000000000 R09: 0000000000000000
[   50.026618][  T578] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a918d80
[   50.026620][  T578] R13: 00000000004a1620 R14: 0000000000000000 R15: 00007ffc1cf0a7e0
| [   51.144022][  T586] softirqs last disabled at (15808): netif_change_name (./include/linux/spinlock.h:353 ./include/linux/seqlock.h:908 net/core/dev.c:1499)
| [   51.144025][  T586] Preemption disabled at:
| [   51.144026][  T586] vprintk_emit (kernel/printk/printk.c:2471)
| [   51.144034][  T586] Tainted: [W]=WARN
[   51.144035][  T586] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   51.144037][  T586] Call Trace:
[   51.144039][  T586]  <TASK>
[   51.144040][  T586]  dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120)
[   51.144045][  T586]  ? vprintk_emit (kernel/printk/printk.c:2471)
[   51.144047][  T586]  __might_resched.cold (kernel/sched/core.c:9234)
[   51.144054][  T586]  ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3))
[   51.144057][  T586]  ? __kmalloc_noprof (./include/linux/sched/mm.h:317 mm/slub.c:4636 mm/slub.c:4974 mm/slub.c:5413 mm/slub.c:5439)
[   51.144063][  T586]  __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))
[   51.144065][  T586]  ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[   51.144072][  T586]  ? 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)
[   51.144075][  T586]  alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[   51.144078][  T586]  put_chars (drivers/char/virtio_console.c:1176)
[   51.144081][  T586]  ? __send_to_port (drivers/char/virtio_console.c:654)
[   51.144085][  T586]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380)
[   51.144089][  T586]  ? validate_chain (kernel/locking/lockdep.c:3817 (discriminator 2) kernel/locking/lockdep.c:3837 (discriminator 2) kernel/locking/lockdep.c:3892 (discriminator 2))
[   51.144094][  T586]  hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2))
[   51.144097][  T586]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   51.144099][  T586]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   51.144104][  T586]  ? hvc_write (drivers/tty/hvc/hvc_console.c:501)
[   51.144108][  T586]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   51.144111][  T586]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   51.144115][  T586]  console_emit_next_record (kernel/printk/printk.c:3183)
[   51.144119][  T586]  ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20)
[   51.144120][  T586]  ? 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))
[   51.144123][  T586]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   51.144125][  T586]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   51.144130][  T586]  console_flush_one_record (kernel/printk/printk.c:3268)
[   51.144133][  T586]  ? console_emit_next_record (kernel/printk/printk.c:3150)
[   51.144135][  T586]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   51.144141][  T586]  console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420)
[   51.144143][  T586]  ? console_flush_one_record (kernel/printk/printk.c:3316)
[   51.144144][  T586]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   51.144146][  T586]  ? lock_acquire (kernel/locking/lockdep.c:5913)
[   51.144150][  T586]  ? __down_trylock_console_sem (kernel/printk/printk.c:334)
[   51.144152][  T586]  ? vprintk_emit (kernel/printk/printk.c:2478)
[   51.144155][  T586]  vprintk_emit (kernel/printk/printk.c:2479)
[   51.144159][  T586]  ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126))
[   51.144161][  T586]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   51.144163][  T586]  ? 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))
[   51.144165][  T586]  ? find_held_lock (kernel/locking/lockdep.c:5360)
[   51.144169][  T586]  _printk (kernel/printk/printk.c:2504)
[   51.144173][  T586]  ? snapshot_read.cold (user.c:?)
[   51.144175][  T586]  ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4116 (discriminator 3) kernel/rcu/tree.c:4108 (discriminator 3))
[   51.144177][  T586]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380)
[   51.144180][  T586]  ? validate_chain (kernel/locking/lockdep.c:3817 (discriminator 2) kernel/locking/lockdep.c:3837 (discriminator 2) kernel/locking/lockdep.c:3892 (discriminator 2))
[   51.144182][  T586]  ? netdev_name (./include/linux/netdevice.h:5709 (discriminator 1))
[   51.144185][  T586]  ? __netdev_printk (net/core/dev.c:13148 (discriminator 2))
[   51.144188][  T586]  ? do_setlink.isra.0 (net/core/rtnetlink.c:3246)
[   51.144190][  T586]  netdev_info (net/core/dev.c:13195 (discriminator 3))
[   51.144193][  T586]  ? netdev_notice (net/core/dev.c:13194)
[   51.144196][  T586]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[   51.144199][  T586]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554)
[   51.144201][  T586]  ? mark_held_locks (kernel/locking/lockdep.c:4341)
[   51.144205][  T586]  ? do_setlink.isra.0 (net/core/rtnetlink.c:3246)
[   51.144207][  T586]  netif_change_name.cold (net/core/dev.c:1507 (discriminator 3))
[   51.144211][  T586]  ? 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))
[   51.144217][  T586]  ? netdev_adjacent_rename_links (net/core/dev.c:9598)
[   51.144220][  T586]  ? __kernel_text_address (kernel/extable.c:79)
[   51.144223][  T586]  ? write_profile (profile.c:?)
[   51.144227][  T586]  ? __asan_memset (mm/kasan/shadow.c:84 (discriminator 1))
[   51.144232][  T586]  do_setlink.isra.0 (net/core/rtnetlink.c:3246)
[   51.144237][  T586]  ? stack_trace_save (kernel/stacktrace.c:122 (discriminator 1))
[   51.144239][  T586]  ? rtnl_link_get_size (net/core/rtnetlink.c:747)
[   51.144240][  T586]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:388 kernel/rcu/update.c:380)
[   51.144242][  T586]  ? stack_depot_save_flags (lib/stackdepot.c:609 (discriminator 2) lib/stackdepot.c:676 (discriminator 2))
[   51.144246][  T586]  ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4116 (discriminator 3) kernel/rcu/tree.c:4108 (discriminator 3))
[   51.144248][  T586]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380)
[   51.144250][  T586]  ? validate_chain (kernel/locking/lockdep.c:3817 (discriminator 2) kernel/locking/lockdep.c:3837 (discriminator 2) kernel/locking/lockdep.c:3892 (discriminator 2))
[   51.144253][  T586]  ? kasan_save_stack (mm/kasan/common.c:58)
[   51.144256][  T586]  ? kasan_save_stack (mm/kasan/common.c:57)
[   51.144258][  T586]  ? kasan_save_track (mm/kasan/common.c:78)
[   51.144261][  T586]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   51.144263][  T586]  ? netlink_update_listeners (net/netlink/af_netlink.c:532)
[   51.144266][  T586]  ? ___sys_sendmsg (net/socket.c:2744 net/socket.c:2763)
[   51.144271][  T586]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2))
[   51.144273][  T586]  ? rtnl_newlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:366 net/core/rtnetlink.c:4214)
[   51.144276][  T586]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   51.144278][  T586]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   51.144280][  T586]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   51.144281][  T586]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   51.144283][  T586]  ? trace_contention_end (./include/trace/events/lock.h:121 (discriminator 22))
[   51.144286][  T586]  ? __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)
[   51.144289][  T586]  ? __mutex_lock (kernel/locking/mutex.c:656 (discriminator 1) kernel/locking/mutex.c:821 (discriminator 1))
[   51.144291][  T586]  ? rtnl_newlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:366 net/core/rtnetlink.c:4214)
[   51.144295][  T586]  ? ww_mutex_lock (kernel/locking/mutex.c:934)
[   51.144297][  T586]  ? nla_get_range_signed (lib/nlattr.c:270)
[   51.144303][  T586]  ? __rtnl_newlink (net/core/rtnetlink.c:4063)
[   51.144308][  T586]  rtnl_newlink (net/core/rtnetlink.c:4215)
[   51.144314][  T586]  ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558)
[   51.144316][  T586]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   51.144321][  T586]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2))
[   51.144323][  T586]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[   51.144325][  T586]  ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558)
[   51.144327][  T586]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554)
[   51.144331][  T586]  ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558)
[   51.144333][  T586]  rtnetlink_rcv_msg (net/core/rtnetlink.c:7132)
[   51.144336][  T586]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   51.144338][  T586]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   51.144343][  T586]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2))
[   51.144345][  T586]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[   51.144349][  T586]  netlink_rcv_skb (net/netlink/af_netlink.c:2556)
[   51.144350][  T586]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   51.144354][  T586]  ? netlink_ack (./include/linux/skbuff.h:2718)
[   51.144360][  T586]  ? 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))
[   51.144361][  T586]  ? 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))
[   51.144366][  T586]  netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[   51.144370][  T586]  ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[   51.144373][  T586]  ? __lock_acquire (kernel/locking/lockdep.c:5251 (discriminator 3))
[   51.144377][  T586]  netlink_sendmsg (net/netlink/af_netlink.c:1900)
[   51.144381][  T586]  ? netlink_unicast (./include/net/net_namespace.h:422 (discriminator 7))
[   51.144383][  T586]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554)
[   51.144386][  T586]  ? __might_fault (mm/memory.c:7482 (discriminator 5))
[   51.144390][  T586]  ? __might_fault (mm/memory.c:7482 (discriminator 5))
[   51.144394][  T586]  ____sys_sendmsg (net/socket.c:800 (discriminator 4) net/socket.c:815 (discriminator 4) net/socket.c:2713 (discriminator 4))
[   51.144397][  T586]  ? copy_msghdr_from_user (net/socket.c:2650)
[   51.144399][  T586]  ? get_timestamp.constprop.0 (./include/linux/netdevice.h:5399)
[   51.144401][  T586]  ? move_addr_to_kernel (./include/linux/audit.h:354 (discriminator 1))
[   51.144408][  T586]  ___sys_sendmsg (net/socket.c:2767)
[   51.144411][  T586]  ? copy_msghdr_from_user (net/socket.c:2619)
[   51.144428][  T586]  __sys_sendmsg (net/socket.c:2799)
[   51.144432][  T586]  ? __sys_sendmsg_sock (net/socket.c:2780)
[   51.144438][  T586]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   51.144442][  T586]  do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84)
[   51.144444][  T586]  ? exc_page_fault (arch/x86/mm/fault.c:1489 (discriminator 3) arch/x86/mm/fault.c:1536 (discriminator 3))
[   51.144448][  T586]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[   51.144450][  T586] RIP: 0033:0x7fc793a4b54e
[   51.144454][  T586] 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
[   51.144456][  T586] RSP: 002b:00007ffdef3b74b0 EFLAGS: 00000202 ORIG_RAX: 000000000000002e
[   51.144458][  T586] RAX: ffffffffffffffda RBX: 0000000000000003 RCX: 00007fc793a4b54e
[   51.144460][  T586] RDX: 0000000000000000 RSI: 00007ffdef3b7560 RDI: 0000000000000005
[   51.144461][  T586] RBP: 00007ffdef3b74c0 R08: 0000000000000000 R09: 0000000000000000
[   51.144462][  T586] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a918d81
[   51.144463][  T586] R13: 00000000004a1620 R14: 0000000000000000 R15: 00007ffdef3b7c30
| [   52.219071][  T596] softirqs last disabled at (22786): netif_change_name (./include/linux/spinlock.h:353 ./include/linux/seqlock.h:908 net/core/dev.c:1499)
| [   52.219074][  T596] Preemption disabled at:
| [   52.219074][  T596] vprintk_emit (kernel/printk/printk.c:2471)
| [   52.219083][  T596] Tainted: [W]=WARN
[   52.219084][  T596] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   52.219086][  T596] Call Trace:
[   52.219087][  T596]  <TASK>
[   52.219089][  T596]  dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120)
[   52.219094][  T596]  ? vprintk_emit (kernel/printk/printk.c:2471)
[   52.219096][  T596]  __might_resched.cold (kernel/sched/core.c:9234)
[   52.219100][  T596]  ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3))
[   52.219103][  T596]  ? __kmalloc_noprof (./include/linux/sched/mm.h:317 mm/slub.c:4636 mm/slub.c:4974 mm/slub.c:5413 mm/slub.c:5439)
[   52.219109][  T596]  __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))
[   52.219111][  T596]  ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[   52.219118][  T596]  ? 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)
[   52.219121][  T596]  alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[   52.219124][  T596]  put_chars (drivers/char/virtio_console.c:1176)
[   52.219127][  T596]  ? __send_to_port (drivers/char/virtio_console.c:654)
[   52.219131][  T596]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380)
[   52.219135][  T596]  ? validate_chain (kernel/locking/lockdep.c:3817 (discriminator 2) kernel/locking/lockdep.c:3837 (discriminator 2) kernel/locking/lockdep.c:3892 (discriminator 2))
[   52.219140][  T596]  hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2))
[   52.219143][  T596]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   52.219145][  T596]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   52.219150][  T596]  ? hvc_write (drivers/tty/hvc/hvc_console.c:501)
[   52.219154][  T596]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   52.219157][  T596]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   52.219161][  T596]  console_emit_next_record (kernel/printk/printk.c:3183)
[   52.219165][  T596]  ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20)
[   52.219166][  T596]  ? 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))
[   52.219169][  T596]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   52.219171][  T596]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   52.219175][  T596]  console_flush_one_record (kernel/printk/printk.c:3268)
[   52.219179][  T596]  ? console_emit_next_record (kernel/printk/printk.c:3150)
[   52.219180][  T596]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   52.219186][  T596]  console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420)
[   52.219188][  T596]  ? console_flush_one_record (kernel/printk/printk.c:3316)
[   52.219190][  T596]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   52.219192][  T596]  ? lock_acquire (kernel/locking/lockdep.c:5913)
[   52.219196][  T596]  ? __down_trylock_console_sem (kernel/printk/printk.c:334)
[   52.219198][  T596]  ? vprintk_emit (kernel/printk/printk.c:2478)
[   52.219201][  T596]  vprintk_emit (kernel/printk/printk.c:2479)
[   52.219204][  T596]  ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126))
[   52.219206][  T596]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   52.219209][  T596]  ? 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))
[   52.219211][  T596]  ? find_held_lock (kernel/locking/lockdep.c:5360)
[   52.219215][  T596]  _printk (kernel/printk/printk.c:2504)
[   52.219218][  T596]  ? snapshot_read.cold (user.c:?)
[   52.219220][  T596]  ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4116 (discriminator 3) kernel/rcu/tree.c:4108 (discriminator 3))
[   52.219223][  T596]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380)
[   52.219225][  T596]  ? validate_chain (kernel/locking/lockdep.c:3817 (discriminator 2) kernel/locking/lockdep.c:3837 (discriminator 2) kernel/locking/lockdep.c:3892 (discriminator 2))
[   52.219227][  T596]  ? netdev_name (./include/linux/netdevice.h:5709 (discriminator 1))
[   52.219231][  T596]  ? __netdev_printk (net/core/dev.c:13148 (discriminator 2))
[   52.219233][  T596]  ? do_setlink.isra.0 (net/core/rtnetlink.c:3246)
[   52.219236][  T596]  netdev_info (net/core/dev.c:13195 (discriminator 3))
[   52.219238][  T596]  ? netdev_notice (net/core/dev.c:13194)
[   52.219241][  T596]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[   52.219244][  T596]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554)
[   52.219247][  T596]  ? mark_held_locks (kernel/locking/lockdep.c:4341)
[   52.219251][  T596]  ? do_setlink.isra.0 (net/core/rtnetlink.c:3246)
[   52.219253][  T596]  netif_change_name.cold (net/core/dev.c:1507 (discriminator 3))
[   52.219256][  T596]  ? 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))
[   52.219263][  T596]  ? netdev_adjacent_rename_links (net/core/dev.c:9598)
[   52.219265][  T596]  ? __kernel_text_address (kernel/extable.c:79)
[   52.219269][  T596]  ? write_profile (profile.c:?)
[   52.219273][  T596]  ? __asan_memset (mm/kasan/shadow.c:84 (discriminator 1))
[   52.219278][  T596]  do_setlink.isra.0 (net/core/rtnetlink.c:3246)
[   52.219283][  T596]  ? stack_trace_save (kernel/stacktrace.c:122 (discriminator 1))
[   52.219285][  T596]  ? rtnl_link_get_size (net/core/rtnetlink.c:747)
[   52.219286][  T596]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:388 kernel/rcu/update.c:380)
[   52.219288][  T596]  ? stack_depot_save_flags (lib/stackdepot.c:609 (discriminator 2) lib/stackdepot.c:676 (discriminator 2))
[   52.219292][  T596]  ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4116 (discriminator 3) kernel/rcu/tree.c:4108 (discriminator 3))
[   52.219295][  T596]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380)
[   52.219297][  T596]  ? validate_chain (kernel/locking/lockdep.c:3817 (discriminator 2) kernel/locking/lockdep.c:3837 (discriminator 2) kernel/locking/lockdep.c:3892 (discriminator 2))
[   52.219299][  T596]  ? kasan_save_stack (mm/kasan/common.c:58)
[   52.219302][  T596]  ? kasan_save_stack (mm/kasan/common.c:57)
[   52.219304][  T596]  ? kasan_save_track (mm/kasan/common.c:78)
[   52.219307][  T596]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   52.219309][  T596]  ? netlink_update_listeners (net/netlink/af_netlink.c:532)
[   52.219312][  T596]  ? ___sys_sendmsg (net/socket.c:2744 net/socket.c:2763)
[   52.219317][  T596]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2))
[   52.219319][  T596]  ? rtnl_newlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:366 net/core/rtnetlink.c:4214)
[   52.219322][  T596]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   52.219324][  T596]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   52.219326][  T596]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   52.219327][  T596]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   52.219329][  T596]  ? trace_contention_end (./include/trace/events/lock.h:121 (discriminator 22))
[   52.219332][  T596]  ? __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)
[   52.219335][  T596]  ? __mutex_lock (kernel/locking/mutex.c:656 (discriminator 1) kernel/locking/mutex.c:821 (discriminator 1))
[   52.219338][  T596]  ? rtnl_newlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:366 net/core/rtnetlink.c:4214)
[   52.219341][  T596]  ? ww_mutex_lock (kernel/locking/mutex.c:934)
[   52.219343][  T596]  ? nla_get_range_signed (lib/nlattr.c:270)
[   52.219349][  T596]  ? __rtnl_newlink (net/core/rtnetlink.c:4063)
[   52.219355][  T596]  rtnl_newlink (net/core/rtnetlink.c:4215)
[   52.219361][  T596]  ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558)
[   52.219363][  T596]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   52.219367][  T596]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2))
[   52.219370][  T596]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[   52.219372][  T596]  ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558)
[   52.219374][  T596]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554)
[   52.219378][  T596]  ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558)
[   52.219380][  T596]  rtnetlink_rcv_msg (net/core/rtnetlink.c:7132)
[   52.219383][  T596]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   52.219384][  T596]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   52.219389][  T596]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2))
[   52.219392][  T596]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[   52.219395][  T596]  netlink_rcv_skb (net/netlink/af_netlink.c:2556)
[   52.219397][  T596]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   52.219400][  T596]  ? netlink_ack (./include/linux/skbuff.h:2718)
[   52.219407][  T596]  ? 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))
[   52.219408][  T596]  ? 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))
[   52.219413][  T596]  netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[   52.219417][  T596]  ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[   52.219420][  T596]  ? __lock_acquire (kernel/locking/lockdep.c:5251 (discriminator 3))
[   52.219424][  T596]  netlink_sendmsg (net/netlink/af_netlink.c:1900)
[   52.219428][  T596]  ? netlink_unicast (./include/net/net_namespace.h:422 (discriminator 7))
[   52.219430][  T596]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554)
[   52.219433][  T596]  ? __might_fault (mm/memory.c:7482 (discriminator 5))
[   52.219437][  T596]  ? __might_fault (mm/memory.c:7482 (discriminator 5))
[   52.219441][  T596]  ____sys_sendmsg (net/socket.c:800 (discriminator 4) net/socket.c:815 (discriminator 4) net/socket.c:2713 (discriminator 4))
[   52.219443][  T596]  ? copy_msghdr_from_user (net/socket.c:2650)
[   52.219446][  T596]  ? get_timestamp.constprop.0 (./include/linux/netdevice.h:5399)
[   52.219447][  T596]  ? move_addr_to_kernel (./include/linux/audit.h:354 (discriminator 1))
[   52.219455][  T596]  ___sys_sendmsg (net/socket.c:2767)
[   52.219458][  T596]  ? copy_msghdr_from_user (net/socket.c:2619)
[   52.219476][  T596]  __sys_sendmsg (net/socket.c:2799)
[   52.219479][  T596]  ? __sys_sendmsg_sock (net/socket.c:2780)
[   52.219486][  T596]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   52.219489][  T596]  do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84)
[   52.219492][  T596]  ? exc_page_fault (arch/x86/mm/fault.c:1489 (discriminator 3) arch/x86/mm/fault.c:1536 (discriminator 3))
[   52.219495][  T596]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[   52.219497][  T596] RIP: 0033:0x7fb28852f54e
[   52.219502][  T596] 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
[   52.219504][  T596] RSP: 002b:00007ffe9c846710 EFLAGS: 00000202 ORIG_RAX: 000000000000002e
[   52.219506][  T596] RAX: ffffffffffffffda RBX: 0000000000000003 RCX: 00007fb28852f54e
[   52.219508][  T596] RDX: 0000000000000000 RSI: 00007ffe9c8467c0 RDI: 0000000000000005
[   52.219509][  T596] RBP: 00007ffe9c846720 R08: 0000000000000000 R09: 0000000000000000
[   52.219510][  T596] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a918d82
[   52.219510][  T596] R13: 00000000004a1620 R14: 0000000000000000 R15: 00007ffe9c846e90
| [   53.272776][  T605] softirqs last disabled at (28704): netif_change_name (./include/linux/spinlock.h:353 ./include/linux/seqlock.h:908 net/core/dev.c:1499)
| [   53.272780][  T605] Preemption disabled at:
| [   53.272781][  T605] vprintk_emit (kernel/printk/printk.c:2471)
| [   53.272793][  T605] Tainted: [W]=WARN
[   53.272794][  T605] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   53.272797][  T605] Call Trace:
[   53.272799][  T605]  <TASK>
[   53.272801][  T605]  dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120)
[   53.272808][  T605]  ? vprintk_emit (kernel/printk/printk.c:2471)
[   53.272811][  T605]  __might_resched.cold (kernel/sched/core.c:9234)
[   53.272817][  T605]  ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3))
[   53.272822][  T605]  ? __kmalloc_noprof (./include/linux/sched/mm.h:317 mm/slub.c:4636 mm/slub.c:4974 mm/slub.c:5413 mm/slub.c:5439)
[   53.272829][  T605]  __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))
[   53.272833][  T605]  ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[   53.272842][  T605]  ? 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)
[   53.272846][  T605]  alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[   53.272852][  T605]  put_chars (drivers/char/virtio_console.c:1176)
[   53.272856][  T605]  ? __send_to_port (drivers/char/virtio_console.c:654)
[   53.272862][  T605]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380)
[   53.272867][  T605]  ? validate_chain (kernel/locking/lockdep.c:3817 (discriminator 2) kernel/locking/lockdep.c:3837 (discriminator 2) kernel/locking/lockdep.c:3892 (discriminator 2))
[   53.272874][  T605]  hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2))
[   53.272879][  T605]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   53.272881][  T605]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   53.272889][  T605]  ? hvc_write (drivers/tty/hvc/hvc_console.c:501)
[   53.272894][  T605]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   53.272898][  T605]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   53.272905][  T605]  console_emit_next_record (kernel/printk/printk.c:3183)
[   53.272911][  T605]  ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20)
[   53.272913][  T605]  ? 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))
[   53.272918][  T605]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   53.272921][  T605]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   53.272928][  T605]  console_flush_one_record (kernel/printk/printk.c:3268)
[   53.272934][  T605]  ? console_emit_next_record (kernel/printk/printk.c:3150)
[   53.272936][  T605]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   53.272945][  T605]  console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420)
[   53.272949][  T605]  ? console_flush_one_record (kernel/printk/printk.c:3316)
[   53.272952][  T605]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   53.272955][  T605]  ? lock_acquire (kernel/locking/lockdep.c:5913)
[   53.272961][  T605]  ? __down_trylock_console_sem (kernel/printk/printk.c:334)
[   53.272964][  T605]  ? vprintk_emit (kernel/printk/printk.c:2478)
[   53.272969][  T605]  vprintk_emit (kernel/printk/printk.c:2479)
[   53.272974][  T605]  ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126))
[   53.272978][  T605]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   53.272981][  T605]  ? 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))
[   53.272984][  T605]  ? find_held_lock (kernel/locking/lockdep.c:5360)
[   53.272991][  T605]  _printk (kernel/printk/printk.c:2504)
[   53.272995][  T605]  ? snapshot_read.cold (user.c:?)
[   53.272998][  T605]  ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4116 (discriminator 3) kernel/rcu/tree.c:4108 (discriminator 3))
[   53.273002][  T605]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380)
[   53.273006][  T605]  ? validate_chain (kernel/locking/lockdep.c:3817 (discriminator 2) kernel/locking/lockdep.c:3837 (discriminator 2) kernel/locking/lockdep.c:3892 (discriminator 2))
[   53.273009][  T605]  ? netdev_name (./include/linux/netdevice.h:5709 (discriminator 1))
[   53.273014][  T605]  ? __netdev_printk (net/core/dev.c:13148 (discriminator 2))
[   53.273018][  T605]  ? do_setlink.isra.0 (net/core/rtnetlink.c:3246)
[   53.273022][  T605]  netdev_info (net/core/dev.c:13195 (discriminator 3))
[   53.273026][  T605]  ? netdev_notice (net/core/dev.c:13194)
[   53.273031][  T605]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[   53.273035][  T605]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554)
[   53.273039][  T605]  ? mark_held_locks (kernel/locking/lockdep.c:4341)
[   53.273046][  T605]  ? do_setlink.isra.0 (net/core/rtnetlink.c:3246)
[   53.273049][  T605]  netif_change_name.cold (net/core/dev.c:1507 (discriminator 3))
[   53.273056][  T605]  ? 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))
[   53.273065][  T605]  ? netdev_adjacent_rename_links (net/core/dev.c:9598)
[   53.273069][  T605]  ? __kernel_text_address (kernel/extable.c:79)
[   53.273073][  T605]  ? write_profile (profile.c:?)
[   53.273079][  T605]  ? __asan_memset (mm/kasan/shadow.c:84 (discriminator 1))
[   53.273087][  T605]  do_setlink.isra.0 (net/core/rtnetlink.c:3246)
[   53.273094][  T605]  ? stack_trace_save (kernel/stacktrace.c:122 (discriminator 1))
[   53.273098][  T605]  ? rtnl_link_get_size (net/core/rtnetlink.c:747)
[   53.273100][  T605]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:388 kernel/rcu/update.c:380)
[   53.273103][  T605]  ? stack_depot_save_flags (lib/stackdepot.c:609 (discriminator 2) lib/stackdepot.c:676 (discriminator 2))
[   53.273108][  T605]  ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4116 (discriminator 3) kernel/rcu/tree.c:4108 (discriminator 3))
[   53.273112][  T605]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380)
[   53.273115][  T605]  ? validate_chain (kernel/locking/lockdep.c:3817 (discriminator 2) kernel/locking/lockdep.c:3837 (discriminator 2) kernel/locking/lockdep.c:3892 (discriminator 2))
[   53.273119][  T605]  ? kasan_save_stack (mm/kasan/common.c:58)
[   53.273123][  T605]  ? kasan_save_stack (mm/kasan/common.c:57)
[   53.273126][  T605]  ? kasan_save_track (mm/kasan/common.c:78)
[   53.273130][  T605]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   53.273133][  T605]  ? netlink_update_listeners (net/netlink/af_netlink.c:532)
[   53.273138][  T605]  ? ___sys_sendmsg (net/socket.c:2744 net/socket.c:2763)
[   53.273145][  T605]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2))
[   53.273148][  T605]  ? rtnl_newlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:366 net/core/rtnetlink.c:4214)
[   53.273153][  T605]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   53.273156][  T605]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   53.273159][  T605]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   53.273161][  T605]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   53.273163][  T605]  ? trace_contention_end (./include/trace/events/lock.h:121 (discriminator 22))
[   53.273167][  T605]  ? __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)
[   53.273171][  T605]  ? __mutex_lock (kernel/locking/mutex.c:656 (discriminator 1) kernel/locking/mutex.c:821 (discriminator 1))
[   53.273174][  T605]  ? rtnl_newlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:366 net/core/rtnetlink.c:4214)
[   53.273179][  T605]  ? ww_mutex_lock (kernel/locking/mutex.c:934)
[   53.273182][  T605]  ? nla_get_range_signed (lib/nlattr.c:270)
[   53.273190][  T605]  ? __rtnl_newlink (net/core/rtnetlink.c:4063)
[   53.273199][  T605]  rtnl_newlink (net/core/rtnetlink.c:4215)
[   53.273207][  T605]  ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558)
[   53.273210][  T605]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   53.273217][  T605]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2))
[   53.273220][  T605]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[   53.273223][  T605]  ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558)
[   53.273225][  T605]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554)
[   53.273232][  T605]  ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558)
[   53.273234][  T605]  rtnetlink_rcv_msg (net/core/rtnetlink.c:7132)
[   53.273239][  T605]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   53.273241][  T605]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   53.273248][  T605]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2))
[   53.273251][  T605]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[   53.273256][  T605]  netlink_rcv_skb (net/netlink/af_netlink.c:2556)
[   53.273259][  T605]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   53.273263][  T605]  ? netlink_ack (./include/linux/skbuff.h:2718)
[   53.273273][  T605]  ? 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))
[   53.273275][  T605]  ? 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))
[   53.273282][  T605]  netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[   53.273287][  T605]  ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[   53.273291][  T605]  ? __lock_acquire (kernel/locking/lockdep.c:5251 (discriminator 3))
[   53.273298][  T605]  netlink_sendmsg (net/netlink/af_netlink.c:1900)
[   53.273303][  T605]  ? netlink_unicast (./include/net/net_namespace.h:422 (discriminator 7))
[   53.273306][  T605]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554)
[   53.273310][  T605]  ? __might_fault (mm/memory.c:7482 (discriminator 5))
[   53.273315][  T605]  ? __might_fault (mm/memory.c:7482 (discriminator 5))
[   53.273321][  T605]  ____sys_sendmsg (net/socket.c:800 (discriminator 4) net/socket.c:815 (discriminator 4) net/socket.c:2713 (discriminator 4))
[   53.273325][  T605]  ? copy_msghdr_from_user (net/socket.c:2650)
[   53.273328][  T605]  ? get_timestamp.constprop.0 (./include/linux/netdevice.h:5399)
[   53.273330][  T605]  ? move_addr_to_kernel (./include/linux/audit.h:354 (discriminator 1))
[   53.273342][  T605]  ___sys_sendmsg (net/socket.c:2767)
[   53.273347][  T605]  ? copy_msghdr_from_user (net/socket.c:2619)
[   53.273374][  T605]  __sys_sendmsg (net/socket.c:2799)
[   53.273379][  T605]  ? __sys_sendmsg_sock (net/socket.c:2780)
[   53.273389][  T605]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   53.273395][  T605]  do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84)
[   53.273398][  T605]  ? exc_page_fault (arch/x86/mm/fault.c:1489 (discriminator 3) arch/x86/mm/fault.c:1536 (discriminator 3))
[   53.273403][  T605]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[   53.273407][  T605] RIP: 0033:0x7f2355e9454e
[   53.273412][  T605] 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
[   53.273415][  T605] RSP: 002b:00007ffd43bb7410 EFLAGS: 00000202 ORIG_RAX: 000000000000002e
[   53.273418][  T605] RAX: ffffffffffffffda RBX: 0000000000000003 RCX: 00007f2355e9454e
[   53.273420][  T605] RDX: 0000000000000000 RSI: 00007ffd43bb74c0 RDI: 0000000000000005
[   53.273422][  T605] RBP: 00007ffd43bb7420 R08: 0000000000000000 R09: 0000000000000000
[   53.273423][  T605] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a918d83
[   53.273425][  T605] R13: 00000000004a1620 R14: 0000000000000000 R15: 00007ffd43bb7b90
| [   54.346967][  T616] softirqs last disabled at (18236): netif_change_name (./include/linux/spinlock.h:353 ./include/linux/seqlock.h:908 net/core/dev.c:1499)
| [   54.346970][  T616] Preemption disabled at:
| [   54.346970][  T616] vprintk_emit (kernel/printk/printk.c:2471)
| [   54.346980][  T616] Tainted: [W]=WARN
[   54.346981][  T616] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   54.346983][  T616] Call Trace:
[   54.346984][  T616]  <TASK>
[   54.346986][  T616]  dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120)
[   54.346991][  T616]  ? vprintk_emit (kernel/printk/printk.c:2471)
[   54.346993][  T616]  __might_resched.cold (kernel/sched/core.c:9234)
[   54.346997][  T616]  ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3))
[   54.347001][  T616]  ? __kmalloc_noprof (./include/linux/sched/mm.h:317 mm/slub.c:4636 mm/slub.c:4974 mm/slub.c:5413 mm/slub.c:5439)
[   54.347006][  T616]  __kmalloc_noprof (./include/linux/sched/mm.h:322 (discriminator 2) mm/slub.c:4636 (discriminator 2) mm/slub.c:4974 (discriminator 2) mm/slub.c:5413 (discriminator 2) mm/slub.c:5439 (discriminator 2))
[   54.347009][  T616]  ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[   54.347015][  T616]  ? do_raw_spin_unlock (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:32 ./include/asm-generic/qspinlock.h:58 kernel/locking/spinlock_debug.c:101 kernel/locking/spinlock_debug.c:141)
[   54.347018][  T616]  alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[   54.347021][  T616]  put_chars (drivers/char/virtio_console.c:1176)
[   54.347025][  T616]  ? __send_to_port (drivers/char/virtio_console.c:654)
[   54.347028][  T616]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380)
[   54.347032][  T616]  ? validate_chain (kernel/locking/lockdep.c:3817 (discriminator 2) kernel/locking/lockdep.c:3837 (discriminator 2) kernel/locking/lockdep.c:3892 (discriminator 2))
[   54.347037][  T616]  hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2))
[   54.347041][  T616]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   54.347042][  T616]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   54.347047][  T616]  ? hvc_write (drivers/tty/hvc/hvc_console.c:501)
[   54.347051][  T616]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   54.347056][  T616]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   54.347060][  T616]  console_emit_next_record (kernel/printk/printk.c:3183)
[   54.347064][  T616]  ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20)
[   54.347065][  T616]  ? console_flush_one_record (./include/linux/rcupdate.h:314 (discriminator 2) ./include/linux/srcu.h:439 (discriminator 2) kernel/printk/printk.c:291 (discriminator 2) kernel/printk/printk.c:3246 (discriminator 2))
[   54.347068][  T616]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   54.347070][  T616]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   54.347074][  T616]  console_flush_one_record (kernel/printk/printk.c:3268)
[   54.347078][  T616]  ? console_emit_next_record (kernel/printk/printk.c:3150)
[   54.347080][  T616]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   54.347086][  T616]  console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420)
[   54.347088][  T616]  ? console_flush_one_record (kernel/printk/printk.c:3316)
[   54.347089][  T616]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   54.347091][  T616]  ? lock_acquire (kernel/locking/lockdep.c:5913)
[   54.347095][  T616]  ? __down_trylock_console_sem (kernel/printk/printk.c:334)
[   54.347097][  T616]  ? vprintk_emit (kernel/printk/printk.c:2478)
[   54.347100][  T616]  vprintk_emit (kernel/printk/printk.c:2479)
[   54.347103][  T616]  ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126))
[   54.347105][  T616]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   54.347108][  T616]  ? save_trace (kernel/locking/lockdep.c:154 (discriminator 6) kernel/locking/lockdep.c:150 (discriminator 6) kernel/locking/lockdep.c:202 (discriminator 6) kernel/locking/lockdep.c:577 (discriminator 6))
[   54.347110][  T616]  ? find_held_lock (kernel/locking/lockdep.c:5360)
[   54.347114][  T616]  _printk (kernel/printk/printk.c:2504)
[   54.347118][  T616]  ? snapshot_read.cold (user.c:?)
[   54.347119][  T616]  ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4116 (discriminator 3) kernel/rcu/tree.c:4108 (discriminator 3))
[   54.347122][  T616]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380)
[   54.347124][  T616]  ? validate_chain (kernel/locking/lockdep.c:3817 (discriminator 2) kernel/locking/lockdep.c:3837 (discriminator 2) kernel/locking/lockdep.c:3892 (discriminator 2))
[   54.347127][  T616]  ? netdev_name (./include/linux/netdevice.h:5709 (discriminator 1))
[   54.347130][  T616]  ? __netdev_printk (net/core/dev.c:13148 (discriminator 2))
[   54.347133][  T616]  ? do_setlink.isra.0 (net/core/rtnetlink.c:3246)
[   54.347135][  T616]  netdev_info (net/core/dev.c:13195 (discriminator 3))
[   54.347138][  T616]  ? netdev_notice (net/core/dev.c:13194)
[   54.347140][  T616]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[   54.347143][  T616]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554)
[   54.347146][  T616]  ? mark_held_locks (kernel/locking/lockdep.c:4341)
[   54.347150][  T616]  ? do_setlink.isra.0 (net/core/rtnetlink.c:3246)
[   54.347152][  T616]  netif_change_name.cold (net/core/dev.c:1507 (discriminator 3))
[   54.347155][  T616]  ? is_bpf_text_address (./include/linux/rcupdate.h:319 (discriminator 2) ./include/linux/rcupdate.h:880 (discriminator 2) kernel/bpf/core.c:751 (discriminator 2))
[   54.347161][  T616]  ? netdev_adjacent_rename_links (net/core/dev.c:9598)
[   54.347164][  T616]  ? __kernel_text_address (kernel/extable.c:79)
[   54.347167][  T616]  ? write_profile (profile.c:?)
[   54.347171][  T616]  ? __asan_memset (mm/kasan/shadow.c:84 (discriminator 1))
[   54.347176][  T616]  do_setlink.isra.0 (net/core/rtnetlink.c:3246)
[   54.347181][  T616]  ? stack_trace_save (kernel/stacktrace.c:122 (discriminator 1))
[   54.347183][  T616]  ? rtnl_link_get_size (net/core/rtnetlink.c:747)
[   54.347184][  T616]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:388 kernel/rcu/update.c:380)
[   54.347186][  T616]  ? stack_depot_save_flags (lib/stackdepot.c:609 (discriminator 2) lib/stackdepot.c:676 (discriminator 2))
[   54.347190][  T616]  ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4116 (discriminator 3) kernel/rcu/tree.c:4108 (discriminator 3))
[   54.347192][  T616]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380)
[   54.347194][  T616]  ? validate_chain (kernel/locking/lockdep.c:3817 (discriminator 2) kernel/locking/lockdep.c:3837 (discriminator 2) kernel/locking/lockdep.c:3892 (discriminator 2))
[   54.347197][  T616]  ? kasan_save_stack (mm/kasan/common.c:58)
[   54.347200][  T616]  ? kasan_save_stack (mm/kasan/common.c:57)
[   54.347202][  T616]  ? kasan_save_track (mm/kasan/common.c:78)
[   54.347205][  T616]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   54.347207][  T616]  ? netlink_update_listeners (net/netlink/af_netlink.c:532)
[   54.347210][  T616]  ? ___sys_sendmsg (net/socket.c:2744 net/socket.c:2763)
[   54.347215][  T616]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2))
[   54.347217][  T616]  ? rtnl_newlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:366 net/core/rtnetlink.c:4214)
[   54.347220][  T616]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   54.347222][  T616]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   54.347224][  T616]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   54.347225][  T616]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   54.347227][  T616]  ? trace_contention_end (./include/trace/events/lock.h:121 (discriminator 22))
[   54.347230][  T616]  ? __mutex_lock (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:3188 kernel/locking/mutex.c:89 kernel/locking/mutex.c:134 kernel/locking/mutex.c:649 kernel/locking/mutex.c:821)
[   54.347233][  T616]  ? __mutex_lock (kernel/locking/mutex.c:656 (discriminator 1) kernel/locking/mutex.c:821 (discriminator 1))
[   54.347236][  T616]  ? rtnl_newlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:366 net/core/rtnetlink.c:4214)
[   54.347239][  T616]  ? ww_mutex_lock (kernel/locking/mutex.c:934)
[   54.347241][  T616]  ? nla_get_range_signed (lib/nlattr.c:270)
[   54.347247][  T616]  ? __rtnl_newlink (net/core/rtnetlink.c:4063)
[   54.347252][  T616]  rtnl_newlink (net/core/rtnetlink.c:4215)
[   54.347258][  T616]  ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558)
[   54.347260][  T616]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   54.347264][  T616]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2))
[   54.347267][  T616]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[   54.347269][  T616]  ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558)
[   54.347270][  T616]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554)
[   54.347275][  T616]  ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558)
[   54.347277][  T616]  rtnetlink_rcv_msg (net/core/rtnetlink.c:7132)
[   54.347280][  T616]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   54.347281][  T616]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   54.347286][  T616]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2))
[   54.347288][  T616]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[   54.347292][  T616]  netlink_rcv_skb (net/netlink/af_netlink.c:2556)
[   54.347294][  T616]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   54.347297][  T616]  ? netlink_ack (./include/linux/skbuff.h:2718)
[   54.347303][  T616]  ? netlink_deliver_tap (./include/linux/rcupdate.h:319 (discriminator 2) ./include/linux/rcupdate.h:880 (discriminator 2) ./include/net/netns/generic.h:48 (discriminator 2) net/netlink/af_netlink.c:334 (discriminator 2))
[   54.347304][  T616]  ? netlink_deliver_tap (./include/linux/rcupdate.h:319 (discriminator 2) ./include/linux/rcupdate.h:880 (discriminator 2) net/netlink/af_netlink.c:341 (discriminator 2))
[   54.347309][  T616]  netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[   54.347313][  T616]  ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[   54.347316][  T616]  ? __lock_acquire (kernel/locking/lockdep.c:5251 (discriminator 3))
[   54.347320][  T616]  netlink_sendmsg (net/netlink/af_netlink.c:1900)
[   54.347324][  T616]  ? netlink_unicast (./include/net/net_namespace.h:422 (discriminator 7))
[   54.347325][  T616]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554)
[   54.347328][  T616]  ? __might_fault (mm/memory.c:7482 (discriminator 5))
[   54.347332][  T616]  ? __might_fault (mm/memory.c:7482 (discriminator 5))
[   54.347336][  T616]  ____sys_sendmsg (net/socket.c:800 (discriminator 4) net/socket.c:815 (discriminator 4) net/socket.c:2713 (discriminator 4))
[   54.347339][  T616]  ? copy_msghdr_from_user (net/socket.c:2650)
[   54.347341][  T616]  ? get_timestamp.constprop.0 (./include/linux/netdevice.h:5399)
[   54.347342][  T616]  ? move_addr_to_kernel (./include/linux/audit.h:354 (discriminator 1))
[   54.347350][  T616]  ___sys_sendmsg (net/socket.c:2767)
[   54.347353][  T616]  ? copy_msghdr_from_user (net/socket.c:2619)
[   54.347369][  T616]  __sys_sendmsg (net/socket.c:2799)
[   54.347373][  T616]  ? __sys_sendmsg_sock (net/socket.c:2780)
[   54.347379][  T616]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   54.347383][  T616]  do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84)
[   54.347385][  T616]  ? exc_page_fault (arch/x86/mm/fault.c:1489 (discriminator 3) arch/x86/mm/fault.c:1536 (discriminator 3))
[   54.347389][  T616]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[   54.347391][  T616] RIP: 0033:0x7f4c2fc0454e
[   54.347395][  T616] Code: 4d 89 d8 e8 b4 bd 00 00 4c 8b 5d f8 41 8b 93 08 03 00 00 59 5e 48 83 f8 fc 74 11 c9 c3 0f 1f 80 00 00 00 00 48 8b 45 10 0f 05 <c9> c3 83 e2 39 83 fa 08 75 e7 e8 03 ff ff ff 0f 1f 00 f3 0f 1e fa
All code
========
   0:	4d 89 d8             	mov    %r11,%r8
   3:	e8 b4 bd 00 00       	call   0xbdbc
   8:	4c 8b 5d f8          	mov    -0x8(%rbp),%r11
   c:	41 8b 93 08 03 00 00 	mov    0x308(%r11),%edx
  13:	59                   	pop    %rcx
  14:	5e                   	pop    %rsi
  15:	48 83 f8 fc          	cmp    $0xfffffffffffffffc,%rax
  19:	74 11                	je     0x2c
  1b:	c9                   	leave
  1c:	c3                   	ret
  1d:	0f 1f 80 00 00 00 00 	nopl   0x0(%rax)
  24:	48 8b 45 10          	mov    0x10(%rbp),%rax
  28:	0f 05                	syscall
  2a:*	c9                   	leave		<-- trapping instruction
  2b:	c3                   	ret
  2c:	83 e2 39             	and    $0x39,%edx
  2f:	83 fa 08             	cmp    $0x8,%edx
  32:	75 e7                	jne    0x1b
  34:	e8 03 ff ff ff       	call   0xffffffffffffff3c
  39:	0f 1f 00             	nopl   (%rax)
  3c:	f3 0f 1e fa          	endbr64

Code starting with the faulting instruction
===========================================
   0:	c9                   	leave
   1:	c3                   	ret
   2:	83 e2 39             	and    $0x39,%edx
   5:	83 fa 08             	cmp    $0x8,%edx
   8:	75 e7                	jne    0xfffffffffffffff1
   a:	e8 03 ff ff ff       	call   0xffffffffffffff12
   f:	0f 1f 00             	nopl   (%rax)
  12:	f3 0f 1e fa          	endbr64
[   54.347397][  T616] RSP: 002b:00007ffc8d0aafc0 EFLAGS: 00000202 ORIG_RAX: 000000000000002e
[   54.347400][  T616] RAX: ffffffffffffffda RBX: 0000000000000003 RCX: 00007f4c2fc0454e
[   54.347401][  T616] RDX: 0000000000000000 RSI: 00007ffc8d0ab070 RDI: 0000000000000005
[   54.347402][  T616] RBP: 00007ffc8d0aafd0 R08: 0000000000000000 R09: 0000000000000000
[   54.347403][  T616] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a918d84
[   54.347404][  T616] R13: 00000000004a1620 R14: 0000000000000000 R15: 00007ffc8d0ab740
| [   55.371513][  T627] softirqs last disabled at (25514): netif_change_name (./include/linux/spinlock.h:353 ./include/linux/seqlock.h:908 net/core/dev.c:1499)
| [   55.371516][  T627] Preemption disabled at:
| [   55.371516][  T627] vprintk_emit (kernel/printk/printk.c:2471)
| [   55.371526][  T627] Tainted: [W]=WARN
[   55.371527][  T627] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   55.371528][  T627] Call Trace:
[   55.371530][  T627]  <TASK>
[   55.371532][  T627]  dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120)
[   55.371537][  T627]  ? vprintk_emit (kernel/printk/printk.c:2471)
[   55.371539][  T627]  __might_resched.cold (kernel/sched/core.c:9234)
[   55.371549][  T627]  ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3))
[   55.371552][  T627]  ? __kmalloc_noprof (./include/linux/sched/mm.h:317 mm/slub.c:4636 mm/slub.c:4974 mm/slub.c:5413 mm/slub.c:5439)
[   55.371558][  T627]  __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))
[   55.371560][  T627]  ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[   55.371567][  T627]  ? 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)
[   55.371570][  T627]  alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[   55.371574][  T627]  put_chars (drivers/char/virtio_console.c:1176)
[   55.371577][  T627]  ? __send_to_port (drivers/char/virtio_console.c:654)
[   55.371581][  T627]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380)
[   55.371585][  T627]  ? validate_chain (kernel/locking/lockdep.c:3817 (discriminator 2) kernel/locking/lockdep.c:3837 (discriminator 2) kernel/locking/lockdep.c:3892 (discriminator 2))
[   55.371590][  T627]  hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2))
[   55.371593][  T627]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   55.371595][  T627]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   55.371600][  T627]  ? hvc_write (drivers/tty/hvc/hvc_console.c:501)
[   55.371604][  T627]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   55.371607][  T627]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   55.371611][  T627]  console_emit_next_record (kernel/printk/printk.c:3183)
[   55.371615][  T627]  ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20)
[   55.371616][  T627]  ? 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))
[   55.371619][  T627]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   55.371621][  T627]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   55.371626][  T627]  console_flush_one_record (kernel/printk/printk.c:3268)
[   55.371630][  T627]  ? console_emit_next_record (kernel/printk/printk.c:3150)
[   55.371631][  T627]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   55.371637][  T627]  console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420)
[   55.371639][  T627]  ? console_flush_one_record (kernel/printk/printk.c:3316)
[   55.371640][  T627]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   55.371642][  T627]  ? lock_acquire (kernel/locking/lockdep.c:5913)
[   55.371647][  T627]  ? __down_trylock_console_sem (kernel/printk/printk.c:334)
[   55.371649][  T627]  ? vprintk_emit (kernel/printk/printk.c:2478)
[   55.371652][  T627]  vprintk_emit (kernel/printk/printk.c:2479)
[   55.371655][  T627]  ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126))
[   55.371657][  T627]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   55.371660][  T627]  ? 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))
[   55.371662][  T627]  ? find_held_lock (kernel/locking/lockdep.c:5360)
[   55.371666][  T627]  _printk (kernel/printk/printk.c:2504)
[   55.371669][  T627]  ? snapshot_read.cold (user.c:?)
[   55.371671][  T627]  ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4116 (discriminator 3) kernel/rcu/tree.c:4108 (discriminator 3))
[   55.371674][  T627]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380)
[   55.371676][  T627]  ? validate_chain (kernel/locking/lockdep.c:3817 (discriminator 2) kernel/locking/lockdep.c:3837 (discriminator 2) kernel/locking/lockdep.c:3892 (discriminator 2))
[   55.371679][  T627]  ? netdev_name (./include/linux/netdevice.h:5709 (discriminator 1))
[   55.371682][  T627]  ? __netdev_printk (net/core/dev.c:13148 (discriminator 2))
[   55.371685][  T627]  ? do_setlink.isra.0 (net/core/rtnetlink.c:3246)
[   55.371687][  T627]  netdev_info (net/core/dev.c:13195 (discriminator 3))
[   55.371690][  T627]  ? netdev_notice (net/core/dev.c:13194)
[   55.371693][  T627]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[   55.371696][  T627]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554)
[   55.371699][  T627]  ? mark_held_locks (kernel/locking/lockdep.c:4341)
[   55.371703][  T627]  ? do_setlink.isra.0 (net/core/rtnetlink.c:3246)
[   55.371705][  T627]  netif_change_name.cold (net/core/dev.c:1507 (discriminator 3))
[   55.371708][  T627]  ? 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))
[   55.371715][  T627]  ? netdev_adjacent_rename_links (net/core/dev.c:9598)
[   55.371717][  T627]  ? __kernel_text_address (kernel/extable.c:79)
[   55.371721][  T627]  ? write_profile (profile.c:?)
[   55.371725][  T627]  ? __asan_memset (mm/kasan/shadow.c:84 (discriminator 1))
[   55.371730][  T627]  do_setlink.isra.0 (net/core/rtnetlink.c:3246)
[   55.371735][  T627]  ? stack_trace_save (kernel/stacktrace.c:122 (discriminator 1))
[   55.371738][  T627]  ? rtnl_link_get_size (net/core/rtnetlink.c:747)
[   55.371739][  T627]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:388 kernel/rcu/update.c:380)
[   55.371741][  T627]  ? stack_depot_save_flags (lib/stackdepot.c:609 (discriminator 2) lib/stackdepot.c:676 (discriminator 2))
[   55.371745][  T627]  ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4116 (discriminator 3) kernel/rcu/tree.c:4108 (discriminator 3))
[   55.371747][  T627]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380)
[   55.371749][  T627]  ? validate_chain (kernel/locking/lockdep.c:3817 (discriminator 2) kernel/locking/lockdep.c:3837 (discriminator 2) kernel/locking/lockdep.c:3892 (discriminator 2))
[   55.371752][  T627]  ? kasan_save_stack (mm/kasan/common.c:58)
[   55.371755][  T627]  ? kasan_save_stack (mm/kasan/common.c:57)
[   55.371757][  T627]  ? kasan_save_track (mm/kasan/common.c:78)
[   55.371760][  T627]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   55.371762][  T627]  ? netlink_update_listeners (net/netlink/af_netlink.c:532)
[   55.371765][  T627]  ? ___sys_sendmsg (net/socket.c:2744 net/socket.c:2763)
[   55.371770][  T627]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2))
[   55.371772][  T627]  ? rtnl_newlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:366 net/core/rtnetlink.c:4214)
[   55.371775][  T627]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   55.371777][  T627]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   55.371779][  T627]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   55.371780][  T627]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   55.371782][  T627]  ? trace_contention_end (./include/trace/events/lock.h:121 (discriminator 22))
[   55.371785][  T627]  ? __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)
[   55.371788][  T627]  ? __mutex_lock (kernel/locking/mutex.c:656 (discriminator 1) kernel/locking/mutex.c:821 (discriminator 1))
[   55.371791][  T627]  ? rtnl_newlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:366 net/core/rtnetlink.c:4214)
[   55.371794][  T627]  ? ww_mutex_lock (kernel/locking/mutex.c:934)
[   55.371796][  T627]  ? nla_get_range_signed (lib/nlattr.c:270)
[   55.371802][  T627]  ? __rtnl_newlink (net/core/rtnetlink.c:4063)
[   55.371808][  T627]  rtnl_newlink (net/core/rtnetlink.c:4215)
[   55.371813][  T627]  ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558)
[   55.371815][  T627]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   55.371820][  T627]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2))
[   55.371822][  T627]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[   55.371824][  T627]  ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558)
[   55.371826][  T627]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554)
[   55.371830][  T627]  ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558)
[   55.371832][  T627]  rtnetlink_rcv_msg (net/core/rtnetlink.c:7132)
[   55.371836][  T627]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   55.371837][  T627]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   55.371842][  T627]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2))
[   55.371844][  T627]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[   55.371848][  T627]  netlink_rcv_skb (net/netlink/af_netlink.c:2556)
[   55.371850][  T627]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   55.371853][  T627]  ? netlink_ack (./include/linux/skbuff.h:2718)
[   55.371859][  T627]  ? 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))
[   55.371861][  T627]  ? 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))
[   55.371865][  T627]  netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[   55.371869][  T627]  ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[   55.371873][  T627]  ? __lock_acquire (kernel/locking/lockdep.c:5251 (discriminator 3))
[   55.371877][  T627]  netlink_sendmsg (net/netlink/af_netlink.c:1900)
[   55.371881][  T627]  ? netlink_unicast (./include/net/net_namespace.h:422 (discriminator 7))
[   55.371883][  T627]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554)
[   55.371886][  T627]  ? __might_fault (mm/memory.c:7482 (discriminator 5))
[   55.371890][  T627]  ? __might_fault (mm/memory.c:7482 (discriminator 5))
[   55.371894][  T627]  ____sys_sendmsg (net/socket.c:800 (discriminator 4) net/socket.c:815 (discriminator 4) net/socket.c:2713 (discriminator 4))
[   55.371896][  T627]  ? copy_msghdr_from_user (net/socket.c:2650)
[   55.371899][  T627]  ? get_timestamp.constprop.0 (./include/linux/netdevice.h:5399)
[   55.371900][  T627]  ? move_addr_to_kernel (./include/linux/audit.h:354 (discriminator 1))
[   55.371908][  T627]  ___sys_sendmsg (net/socket.c:2767)
[   55.371911][  T627]  ? copy_msghdr_from_user (net/socket.c:2619)
[   55.371928][  T627]  __sys_sendmsg (net/socket.c:2799)
[   55.371932][  T627]  ? __sys_sendmsg_sock (net/socket.c:2780)
[   55.371939][  T627]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   55.371942][  T627]  do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84)
[   55.371945][  T627]  ? exc_page_fault (arch/x86/mm/fault.c:1489 (discriminator 3) arch/x86/mm/fault.c:1536 (discriminator 3))
[   55.371948][  T627]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[   55.371950][  T627] RIP: 0033:0x7f33bcf5354e
[   55.371954][  T627] 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
[   55.371956][  T627] RSP: 002b:00007ffee41b4240 EFLAGS: 00000202 ORIG_RAX: 000000000000002e
[   55.371959][  T627] RAX: ffffffffffffffda RBX: 0000000000000003 RCX: 00007f33bcf5354e
[   55.371960][  T627] RDX: 0000000000000000 RSI: 00007ffee41b42f0 RDI: 0000000000000005
[   55.371961][  T627] RBP: 00007ffee41b4250 R08: 0000000000000000 R09: 0000000000000000
[   55.371962][  T627] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a918d85
[   55.371963][  T627] R13: 00000000004a1620 R14: 0000000000000000 R15: 00007ffee41b49c0
| [   56.449100][  T638] softirqs last disabled at (22954): netif_change_name (./include/linux/spinlock.h:353 ./include/linux/seqlock.h:908 net/core/dev.c:1499)
| [   56.449102][  T638] Preemption disabled at:
| [   56.449103][  T638] vprintk_emit (kernel/printk/printk.c:2471)
| [   56.449112][  T638] Tainted: [W]=WARN
[   56.449113][  T638] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   56.449115][  T638] Call Trace:
[   56.449116][  T638]  <TASK>
[   56.449118][  T638]  dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120)
[   56.449123][  T638]  ? vprintk_emit (kernel/printk/printk.c:2471)
[   56.449125][  T638]  __might_resched.cold (kernel/sched/core.c:9234)
[   56.449129][  T638]  ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3))
[   56.449132][  T638]  ? __kmalloc_noprof (./include/linux/sched/mm.h:317 mm/slub.c:4636 mm/slub.c:4974 mm/slub.c:5413 mm/slub.c:5439)
[   56.449138][  T638]  __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))
[   56.449140][  T638]  ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[   56.449147][  T638]  ? 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)
[   56.449150][  T638]  alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[   56.449153][  T638]  put_chars (drivers/char/virtio_console.c:1176)
[   56.449156][  T638]  ? __send_to_port (drivers/char/virtio_console.c:654)
[   56.449160][  T638]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380)
[   56.449164][  T638]  ? validate_chain (kernel/locking/lockdep.c:3817 (discriminator 2) kernel/locking/lockdep.c:3837 (discriminator 2) kernel/locking/lockdep.c:3892 (discriminator 2))
[   56.449168][  T638]  hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2))
[   56.449172][  T638]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   56.449174][  T638]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   56.449179][  T638]  ? hvc_write (drivers/tty/hvc/hvc_console.c:501)
[   56.449182][  T638]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   56.449185][  T638]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   56.449189][  T638]  console_emit_next_record (kernel/printk/printk.c:3183)
[   56.449193][  T638]  ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20)
[   56.449194][  T638]  ? 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))
[   56.449197][  T638]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   56.449199][  T638]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   56.449204][  T638]  console_flush_one_record (kernel/printk/printk.c:3268)
[   56.449208][  T638]  ? console_emit_next_record (kernel/printk/printk.c:3150)
[   56.449209][  T638]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   56.449215][  T638]  console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420)
[   56.449217][  T638]  ? console_flush_one_record (kernel/printk/printk.c:3316)
[   56.449219][  T638]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   56.449221][  T638]  ? lock_acquire (kernel/locking/lockdep.c:5913)
[   56.449225][  T638]  ? __down_trylock_console_sem (kernel/printk/printk.c:334)
[   56.449227][  T638]  ? vprintk_emit (kernel/printk/printk.c:2478)
[   56.449230][  T638]  vprintk_emit (kernel/printk/printk.c:2479)
[   56.449233][  T638]  ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126))
[   56.449235][  T638]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   56.449237][  T638]  ? 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))
[   56.449239][  T638]  ? find_held_lock (kernel/locking/lockdep.c:5360)
[   56.449243][  T638]  _printk (kernel/printk/printk.c:2504)
[   56.449247][  T638]  ? snapshot_read.cold (user.c:?)
[   56.449249][  T638]  ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4116 (discriminator 3) kernel/rcu/tree.c:4108 (discriminator 3))
[   56.449252][  T638]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380)
[   56.449254][  T638]  ? validate_chain (kernel/locking/lockdep.c:3817 (discriminator 2) kernel/locking/lockdep.c:3837 (discriminator 2) kernel/locking/lockdep.c:3892 (discriminator 2))
[   56.449256][  T638]  ? netdev_name (./include/linux/netdevice.h:5709 (discriminator 1))
[   56.449260][  T638]  ? __netdev_printk (net/core/dev.c:13148 (discriminator 2))
[   56.449262][  T638]  ? do_setlink.isra.0 (net/core/rtnetlink.c:3246)
[   56.449264][  T638]  netdev_info (net/core/dev.c:13195 (discriminator 3))
[   56.449267][  T638]  ? netdev_notice (net/core/dev.c:13194)
[   56.449270][  T638]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[   56.449273][  T638]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554)
[   56.449275][  T638]  ? mark_held_locks (kernel/locking/lockdep.c:4341)
[   56.449279][  T638]  ? do_setlink.isra.0 (net/core/rtnetlink.c:3246)
[   56.449281][  T638]  netif_change_name.cold (net/core/dev.c:1507 (discriminator 3))
[   56.449284][  T638]  ? 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))
[   56.449291][  T638]  ? netdev_adjacent_rename_links (net/core/dev.c:9598)
[   56.449293][  T638]  ? __kernel_text_address (kernel/extable.c:79)
[   56.449297][  T638]  ? write_profile (profile.c:?)
[   56.449301][  T638]  ? __asan_memset (mm/kasan/shadow.c:84 (discriminator 1))
[   56.449306][  T638]  do_setlink.isra.0 (net/core/rtnetlink.c:3246)
[   56.449311][  T638]  ? stack_trace_save (kernel/stacktrace.c:122 (discriminator 1))
[   56.449313][  T638]  ? rtnl_link_get_size (net/core/rtnetlink.c:747)
[   56.449315][  T638]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:388 kernel/rcu/update.c:380)
[   56.449317][  T638]  ? stack_depot_save_flags (lib/stackdepot.c:609 (discriminator 2) lib/stackdepot.c:676 (discriminator 2))
[   56.449320][  T638]  ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4116 (discriminator 3) kernel/rcu/tree.c:4108 (discriminator 3))
[   56.449323][  T638]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380)
[   56.449325][  T638]  ? validate_chain (kernel/locking/lockdep.c:3817 (discriminator 2) kernel/locking/lockdep.c:3837 (discriminator 2) kernel/locking/lockdep.c:3892 (discriminator 2))
[   56.449328][  T638]  ? kasan_save_stack (mm/kasan/common.c:58)
[   56.449330][  T638]  ? kasan_save_stack (mm/kasan/common.c:57)
[   56.449332][  T638]  ? kasan_save_track (mm/kasan/common.c:78)
[   56.449335][  T638]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   56.449337][  T638]  ? netlink_update_listeners (net/netlink/af_netlink.c:532)
[   56.449340][  T638]  ? ___sys_sendmsg (net/socket.c:2744 net/socket.c:2763)
[   56.449345][  T638]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2))
[   56.449347][  T638]  ? rtnl_newlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:366 net/core/rtnetlink.c:4214)
[   56.449350][  T638]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   56.449352][  T638]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   56.449354][  T638]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   56.449355][  T638]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   56.449357][  T638]  ? trace_contention_end (./include/trace/events/lock.h:121 (discriminator 22))
[   56.449360][  T638]  ? __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)
[   56.449363][  T638]  ? __mutex_lock (kernel/locking/mutex.c:656 (discriminator 1) kernel/locking/mutex.c:821 (discriminator 1))
[   56.449365][  T638]  ? rtnl_newlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:366 net/core/rtnetlink.c:4214)
[   56.449369][  T638]  ? ww_mutex_lock (kernel/locking/mutex.c:934)
[   56.449371][  T638]  ? nla_get_range_signed (lib/nlattr.c:270)
[   56.449377][  T638]  ? __rtnl_newlink (net/core/rtnetlink.c:4063)
[   56.449382][  T638]  rtnl_newlink (net/core/rtnetlink.c:4215)
[   56.449387][  T638]  ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558)
[   56.449389][  T638]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   56.449394][  T638]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2))
[   56.449396][  T638]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[   56.449398][  T638]  ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558)
[   56.449400][  T638]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554)
[   56.449404][  T638]  ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558)
[   56.449406][  T638]  rtnetlink_rcv_msg (net/core/rtnetlink.c:7132)
[   56.449410][  T638]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   56.449411][  T638]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   56.449416][  T638]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2))
[   56.449418][  T638]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[   56.449422][  T638]  netlink_rcv_skb (net/netlink/af_netlink.c:2556)
[   56.449423][  T638]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   56.449427][  T638]  ? netlink_ack (./include/linux/skbuff.h:2718)
[   56.449433][  T638]  ? 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))
[   56.449434][  T638]  ? 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))
[   56.449439][  T638]  netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[   56.449443][  T638]  ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[   56.449446][  T638]  ? __lock_acquire (kernel/locking/lockdep.c:5251 (discriminator 3))
[   56.449450][  T638]  netlink_sendmsg (net/netlink/af_netlink.c:1900)
[   56.449454][  T638]  ? netlink_unicast (./include/net/net_namespace.h:422 (discriminator 7))
[   56.449455][  T638]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554)
[   56.449459][  T638]  ? __might_fault (mm/memory.c:7482 (discriminator 5))
[   56.449462][  T638]  ? __might_fault (mm/memory.c:7482 (discriminator 5))
[   56.449466][  T638]  ____sys_sendmsg (net/socket.c:800 (discriminator 4) net/socket.c:815 (discriminator 4) net/socket.c:2713 (discriminator 4))
[   56.449469][  T638]  ? copy_msghdr_from_user (net/socket.c:2650)
[   56.449471][  T638]  ? get_timestamp.constprop.0 (./include/linux/netdevice.h:5399)
[   56.449473][  T638]  ? move_addr_to_kernel (./include/linux/audit.h:354 (discriminator 1))
[   56.449481][  T638]  ___sys_sendmsg (net/socket.c:2767)
[   56.449484][  T638]  ? copy_msghdr_from_user (net/socket.c:2619)
[   56.449500][  T638]  __sys_sendmsg (net/socket.c:2799)
[   56.449504][  T638]  ? __sys_sendmsg_sock (net/socket.c:2780)
[   56.449510][  T638]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   56.449513][  T638]  do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84)
[   56.449516][  T638]  ? exc_page_fault (arch/x86/mm/fault.c:1489 (discriminator 3) arch/x86/mm/fault.c:1536 (discriminator 3))
[   56.449519][  T638]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[   56.449522][  T638] RIP: 0033:0x7ffa8863154e
[   56.449525][  T638] 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
[   56.449527][  T638] RSP: 002b:00007ffceb9e7650 EFLAGS: 00000202 ORIG_RAX: 000000000000002e
[   56.449530][  T638] RAX: ffffffffffffffda RBX: 0000000000000003 RCX: 00007ffa8863154e
[   56.449531][  T638] RDX: 0000000000000000 RSI: 00007ffceb9e7700 RDI: 0000000000000005
[   56.449532][  T638] RBP: 00007ffceb9e7660 R08: 0000000000000000 R09: 0000000000000000
[   56.449533][  T638] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a918d86
[   56.449534][  T638] R13: 00000000004a1620 R14: 0000000000000000 R15: 00007ffceb9e7dd0
| [   57.593253][  T646] softirqs last disabled at (16900): netif_change_name (./include/linux/spinlock.h:353 ./include/linux/seqlock.h:908 net/core/dev.c:1499)
| [   57.593256][  T646] Preemption disabled at:
| [   57.593256][  T646] vprintk_emit (kernel/printk/printk.c:2471)
| [   57.593265][  T646] Tainted: [W]=WARN
[   57.593266][  T646] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   57.593268][  T646] Call Trace:
[   57.593270][  T646]  <TASK>
[   57.593271][  T646]  dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120)
[   57.593276][  T646]  ? vprintk_emit (kernel/printk/printk.c:2471)
[   57.593278][  T646]  __might_resched.cold (kernel/sched/core.c:9234)
[   57.593283][  T646]  ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3))
[   57.593286][  T646]  ? __kmalloc_noprof (./include/linux/sched/mm.h:317 mm/slub.c:4636 mm/slub.c:4974 mm/slub.c:5413 mm/slub.c:5439)
[   57.593291][  T646]  __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))
[   57.593294][  T646]  ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[   57.593300][  T646]  ? 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)
[   57.593304][  T646]  alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[   57.593307][  T646]  put_chars (drivers/char/virtio_console.c:1176)
[   57.593310][  T646]  ? __send_to_port (drivers/char/virtio_console.c:654)
[   57.593314][  T646]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380)
[   57.593317][  T646]  ? validate_chain (kernel/locking/lockdep.c:3817 (discriminator 2) kernel/locking/lockdep.c:3837 (discriminator 2) kernel/locking/lockdep.c:3892 (discriminator 2))
[   57.593322][  T646]  hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2))
[   57.593325][  T646]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   57.593327][  T646]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   57.593332][  T646]  ? hvc_write (drivers/tty/hvc/hvc_console.c:501)
[   57.593335][  T646]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   57.593338][  T646]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   57.593343][  T646]  console_emit_next_record (kernel/printk/printk.c:3183)
[   57.593346][  T646]  ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20)
[   57.593348][  T646]  ? 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))
[   57.593351][  T646]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   57.593352][  T646]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   57.593357][  T646]  console_flush_one_record (kernel/printk/printk.c:3268)
[   57.593361][  T646]  ? console_emit_next_record (kernel/printk/printk.c:3150)
[   57.593362][  T646]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   57.593368][  T646]  console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420)
[   57.593370][  T646]  ? console_flush_one_record (kernel/printk/printk.c:3316)
[   57.593371][  T646]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   57.593373][  T646]  ? lock_acquire (kernel/locking/lockdep.c:5913)
[   57.593377][  T646]  ? __down_trylock_console_sem (kernel/printk/printk.c:334)
[   57.593379][  T646]  ? vprintk_emit (kernel/printk/printk.c:2478)
[   57.593382][  T646]  vprintk_emit (kernel/printk/printk.c:2479)
[   57.593386][  T646]  ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126))
[   57.593388][  T646]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   57.593390][  T646]  ? 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))
[   57.593392][  T646]  ? find_held_lock (kernel/locking/lockdep.c:5360)
[   57.593396][  T646]  _printk (kernel/printk/printk.c:2504)
[   57.593399][  T646]  ? snapshot_read.cold (user.c:?)
[   57.593401][  T646]  ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4116 (discriminator 3) kernel/rcu/tree.c:4108 (discriminator 3))
[   57.593404][  T646]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380)
[   57.593406][  T646]  ? validate_chain (kernel/locking/lockdep.c:3817 (discriminator 2) kernel/locking/lockdep.c:3837 (discriminator 2) kernel/locking/lockdep.c:3892 (discriminator 2))
[   57.593408][  T646]  ? netdev_name (./include/linux/netdevice.h:5709 (discriminator 1))
[   57.593412][  T646]  ? __netdev_printk (net/core/dev.c:13148 (discriminator 2))
[   57.593414][  T646]  ? do_setlink.isra.0 (net/core/rtnetlink.c:3246)
[   57.593417][  T646]  netdev_info (net/core/dev.c:13195 (discriminator 3))
[   57.593419][  T646]  ? netdev_notice (net/core/dev.c:13194)
[   57.593422][  T646]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[   57.593425][  T646]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554)
[   57.593428][  T646]  ? mark_held_locks (kernel/locking/lockdep.c:4341)
[   57.593432][  T646]  ? do_setlink.isra.0 (net/core/rtnetlink.c:3246)
[   57.593434][  T646]  netif_change_name.cold (net/core/dev.c:1507 (discriminator 3))
[   57.593437][  T646]  ? 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))
[   57.593443][  T646]  ? netdev_adjacent_rename_links (net/core/dev.c:9598)
[   57.593446][  T646]  ? __kernel_text_address (kernel/extable.c:79)
[   57.593449][  T646]  ? write_profile (profile.c:?)
[   57.593453][  T646]  ? __asan_memset (mm/kasan/shadow.c:84 (discriminator 1))
[   57.593458][  T646]  do_setlink.isra.0 (net/core/rtnetlink.c:3246)
[   57.593462][  T646]  ? stack_trace_save (kernel/stacktrace.c:122 (discriminator 1))
[   57.593464][  T646]  ? rtnl_link_get_size (net/core/rtnetlink.c:747)
[   57.593466][  T646]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:388 kernel/rcu/update.c:380)
[   57.593468][  T646]  ? stack_depot_save_flags (lib/stackdepot.c:609 (discriminator 2) lib/stackdepot.c:676 (discriminator 2))
[   57.593472][  T646]  ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4116 (discriminator 3) kernel/rcu/tree.c:4108 (discriminator 3))
[   57.593474][  T646]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380)
[   57.593476][  T646]  ? validate_chain (kernel/locking/lockdep.c:3817 (discriminator 2) kernel/locking/lockdep.c:3837 (discriminator 2) kernel/locking/lockdep.c:3892 (discriminator 2))
[   57.593479][  T646]  ? kasan_save_stack (mm/kasan/common.c:58)
[   57.593482][  T646]  ? kasan_save_stack (mm/kasan/common.c:57)
[   57.593483][  T646]  ? kasan_save_track (mm/kasan/common.c:78)
[   57.593486][  T646]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   57.593488][  T646]  ? netlink_update_listeners (net/netlink/af_netlink.c:532)
[   57.593491][  T646]  ? ___sys_sendmsg (net/socket.c:2744 net/socket.c:2763)
[   57.593496][  T646]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2))
[   57.593499][  T646]  ? rtnl_newlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:366 net/core/rtnetlink.c:4214)
[   57.593501][  T646]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   57.593503][  T646]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   57.593505][  T646]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   57.593506][  T646]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   57.593508][  T646]  ? trace_contention_end (./include/trace/events/lock.h:121 (discriminator 22))
[   57.593511][  T646]  ? __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)
[   57.593514][  T646]  ? __mutex_lock (kernel/locking/mutex.c:656 (discriminator 1) kernel/locking/mutex.c:821 (discriminator 1))
[   57.593517][  T646]  ? rtnl_newlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:366 net/core/rtnetlink.c:4214)
[   57.593520][  T646]  ? ww_mutex_lock (kernel/locking/mutex.c:934)
[   57.593522][  T646]  ? nla_get_range_signed (lib/nlattr.c:270)
[   57.593528][  T646]  ? __rtnl_newlink (net/core/rtnetlink.c:4063)
[   57.593534][  T646]  rtnl_newlink (net/core/rtnetlink.c:4215)
[   57.593540][  T646]  ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558)
[   57.593542][  T646]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   57.593549][  T646]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2))
[   57.593551][  T646]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[   57.593559][  T646]  ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558)
[   57.593561][  T646]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554)
[   57.593565][  T646]  ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558)
[   57.593567][  T646]  rtnetlink_rcv_msg (net/core/rtnetlink.c:7132)
[   57.593570][  T646]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   57.593572][  T646]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   57.593576][  T646]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2))
[   57.593578][  T646]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[   57.593582][  T646]  netlink_rcv_skb (net/netlink/af_netlink.c:2556)
[   57.593584][  T646]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   57.593587][  T646]  ? netlink_ack (./include/linux/skbuff.h:2718)
[   57.593593][  T646]  ? 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))
[   57.593594][  T646]  ? 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))
[   57.593599][  T646]  netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[   57.593603][  T646]  ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[   57.593606][  T646]  ? __lock_acquire (kernel/locking/lockdep.c:5251 (discriminator 3))
[   57.593610][  T646]  netlink_sendmsg (net/netlink/af_netlink.c:1900)
[   57.593614][  T646]  ? netlink_unicast (./include/net/net_namespace.h:422 (discriminator 7))
[   57.593615][  T646]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554)
[   57.593619][  T646]  ? __might_fault (mm/memory.c:7482 (discriminator 5))
[   57.593622][  T646]  ? __might_fault (mm/memory.c:7482 (discriminator 5))
[   57.593627][  T646]  ____sys_sendmsg (net/socket.c:800 (discriminator 4) net/socket.c:815 (discriminator 4) net/socket.c:2713 (discriminator 4))
[   57.593629][  T646]  ? copy_msghdr_from_user (net/socket.c:2650)
[   57.593631][  T646]  ? get_timestamp.constprop.0 (./include/linux/netdevice.h:5399)
[   57.593633][  T646]  ? move_addr_to_kernel (./include/linux/audit.h:354 (discriminator 1))
[   57.593640][  T646]  ___sys_sendmsg (net/socket.c:2767)
[   57.593643][  T646]  ? copy_msghdr_from_user (net/socket.c:2619)
[   57.593659][  T646]  __sys_sendmsg (net/socket.c:2799)
[   57.593663][  T646]  ? __sys_sendmsg_sock (net/socket.c:2780)
[   57.593669][  T646]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   57.593672][  T646]  do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84)
[   57.593675][  T646]  ? exc_page_fault (arch/x86/mm/fault.c:1489 (discriminator 3) arch/x86/mm/fault.c:1536 (discriminator 3))
[   57.593678][  T646]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[   57.593680][  T646] RIP: 0033:0x7f335d47254e
[   57.593684][  T646] 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
[   57.593686][  T646] RSP: 002b:00007fff7ba018b0 EFLAGS: 00000202 ORIG_RAX: 000000000000002e
[   57.593689][  T646] RAX: ffffffffffffffda RBX: 0000000000000003 RCX: 00007f335d47254e
[   57.593691][  T646] RDX: 0000000000000000 RSI: 00007fff7ba01960 RDI: 0000000000000005
[   57.593691][  T646] RBP: 00007fff7ba018c0 R08: 0000000000000000 R09: 0000000000000000
[   57.593692][  T646] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a918d87
[   57.593693][  T646] R13: 00000000004a1620 R14: 0000000000000000 R15: 00007fff7ba02030
| [   58.635259][  T655] softirqs last disabled at (21946): netif_change_name (./include/linux/spinlock.h:353 ./include/linux/seqlock.h:908 net/core/dev.c:1499)
| [   58.635262][  T655] Preemption disabled at:
| [   58.635262][  T655] vprintk_emit (kernel/printk/printk.c:2471)
| [   58.635271][  T655] Tainted: [W]=WARN
[   58.635272][  T655] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   58.635274][  T655] Call Trace:
[   58.635275][  T655]  <TASK>
[   58.635277][  T655]  dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120)
[   58.635282][  T655]  ? vprintk_emit (kernel/printk/printk.c:2471)
[   58.635283][  T655]  __might_resched.cold (kernel/sched/core.c:9234)
[   58.635288][  T655]  ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3))
[   58.635291][  T655]  ? __kmalloc_noprof (./include/linux/sched/mm.h:317 mm/slub.c:4636 mm/slub.c:4974 mm/slub.c:5413 mm/slub.c:5439)
[   58.635297][  T655]  __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))
[   58.635299][  T655]  ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[   58.635306][  T655]  ? 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)
[   58.635309][  T655]  alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[   58.635312][  T655]  put_chars (drivers/char/virtio_console.c:1176)
[   58.635315][  T655]  ? __send_to_port (drivers/char/virtio_console.c:654)
[   58.635319][  T655]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380)
[   58.635323][  T655]  ? validate_chain (kernel/locking/lockdep.c:3817 (discriminator 2) kernel/locking/lockdep.c:3837 (discriminator 2) kernel/locking/lockdep.c:3892 (discriminator 2))
[   58.635327][  T655]  hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2))
[   58.635331][  T655]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   58.635333][  T655]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   58.635338][  T655]  ? hvc_write (drivers/tty/hvc/hvc_console.c:501)
[   58.635341][  T655]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   58.635344][  T655]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   58.635348][  T655]  console_emit_next_record (kernel/printk/printk.c:3183)
[   58.635352][  T655]  ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20)
[   58.635353][  T655]  ? 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))
[   58.635356][  T655]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   58.635358][  T655]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   58.635362][  T655]  console_flush_one_record (kernel/printk/printk.c:3268)
[   58.635366][  T655]  ? console_emit_next_record (kernel/printk/printk.c:3150)
[   58.635368][  T655]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   58.635373][  T655]  console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420)
[   58.635376][  T655]  ? console_flush_one_record (kernel/printk/printk.c:3316)
[   58.635377][  T655]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   58.635379][  T655]  ? lock_acquire (kernel/locking/lockdep.c:5913)
[   58.635383][  T655]  ? __down_trylock_console_sem (kernel/printk/printk.c:334)
[   58.635385][  T655]  ? vprintk_emit (kernel/printk/printk.c:2478)
[   58.635388][  T655]  vprintk_emit (kernel/printk/printk.c:2479)
[   58.635391][  T655]  ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126))
[   58.635393][  T655]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   58.635395][  T655]  ? 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))
[   58.635397][  T655]  ? find_held_lock (kernel/locking/lockdep.c:5360)
[   58.635401][  T655]  _printk (kernel/printk/printk.c:2504)
[   58.635405][  T655]  ? snapshot_read.cold (user.c:?)
[   58.635407][  T655]  ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4116 (discriminator 3) kernel/rcu/tree.c:4108 (discriminator 3))
[   58.635410][  T655]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380)
[   58.635412][  T655]  ? validate_chain (kernel/locking/lockdep.c:3817 (discriminator 2) kernel/locking/lockdep.c:3837 (discriminator 2) kernel/locking/lockdep.c:3892 (discriminator 2))
[   58.635414][  T655]  ? netdev_name (./include/linux/netdevice.h:5709 (discriminator 1))
[   58.635417][  T655]  ? __netdev_printk (net/core/dev.c:13148 (discriminator 2))
[   58.635420][  T655]  ? do_setlink.isra.0 (net/core/rtnetlink.c:3246)
[   58.635422][  T655]  netdev_info (net/core/dev.c:13195 (discriminator 3))
[   58.635425][  T655]  ? netdev_notice (net/core/dev.c:13194)
[   58.635427][  T655]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[   58.635431][  T655]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554)
[   58.635433][  T655]  ? mark_held_locks (kernel/locking/lockdep.c:4341)
[   58.635437][  T655]  ? do_setlink.isra.0 (net/core/rtnetlink.c:3246)
[   58.635439][  T655]  netif_change_name.cold (net/core/dev.c:1507 (discriminator 3))
[   58.635442][  T655]  ? 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))
[   58.635449][  T655]  ? netdev_adjacent_rename_links (net/core/dev.c:9598)
[   58.635451][  T655]  ? __kernel_text_address (kernel/extable.c:79)
[   58.635454][  T655]  ? write_profile (profile.c:?)
[   58.635459][  T655]  ? __asan_memset (mm/kasan/shadow.c:84 (discriminator 1))
[   58.635464][  T655]  do_setlink.isra.0 (net/core/rtnetlink.c:3246)
[   58.635469][  T655]  ? stack_trace_save (kernel/stacktrace.c:122 (discriminator 1))
[   58.635471][  T655]  ? rtnl_link_get_size (net/core/rtnetlink.c:747)
[   58.635472][  T655]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:388 kernel/rcu/update.c:380)
[   58.635474][  T655]  ? stack_depot_save_flags (lib/stackdepot.c:609 (discriminator 2) lib/stackdepot.c:676 (discriminator 2))
[   58.635478][  T655]  ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4116 (discriminator 3) kernel/rcu/tree.c:4108 (discriminator 3))
[   58.635480][  T655]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380)
[   58.635482][  T655]  ? validate_chain (kernel/locking/lockdep.c:3817 (discriminator 2) kernel/locking/lockdep.c:3837 (discriminator 2) kernel/locking/lockdep.c:3892 (discriminator 2))
[   58.635485][  T655]  ? kasan_save_stack (mm/kasan/common.c:58)
[   58.635488][  T655]  ? kasan_save_stack (mm/kasan/common.c:57)
[   58.635490][  T655]  ? kasan_save_track (mm/kasan/common.c:78)
[   58.635493][  T655]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   58.635495][  T655]  ? netlink_update_listeners (net/netlink/af_netlink.c:532)
[   58.635498][  T655]  ? ___sys_sendmsg (net/socket.c:2744 net/socket.c:2763)
[   58.635503][  T655]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2))
[   58.635505][  T655]  ? rtnl_newlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:366 net/core/rtnetlink.c:4214)
[   58.635507][  T655]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   58.635509][  T655]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   58.635511][  T655]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   58.635512][  T655]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   58.635514][  T655]  ? trace_contention_end (./include/trace/events/lock.h:121 (discriminator 22))
[   58.635517][  T655]  ? __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)
[   58.635520][  T655]  ? __mutex_lock (kernel/locking/mutex.c:656 (discriminator 1) kernel/locking/mutex.c:821 (discriminator 1))
[   58.635523][  T655]  ? rtnl_newlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:366 net/core/rtnetlink.c:4214)
[   58.635526][  T655]  ? ww_mutex_lock (kernel/locking/mutex.c:934)
[   58.635528][  T655]  ? nla_get_range_signed (lib/nlattr.c:270)
[   58.635534][  T655]  ? __rtnl_newlink (net/core/rtnetlink.c:4063)
[   58.635539][  T655]  rtnl_newlink (net/core/rtnetlink.c:4215)
[   58.635546][  T655]  ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558)
[   58.635548][  T655]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   58.635553][  T655]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2))
[   58.635555][  T655]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[   58.635563][  T655]  ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558)
[   58.635565][  T655]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554)
[   58.635569][  T655]  ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558)
[   58.635571][  T655]  rtnetlink_rcv_msg (net/core/rtnetlink.c:7132)
[   58.635574][  T655]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   58.635576][  T655]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   58.635580][  T655]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2))
[   58.635582][  T655]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[   58.635586][  T655]  netlink_rcv_skb (net/netlink/af_netlink.c:2556)
[   58.635588][  T655]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   58.635591][  T655]  ? netlink_ack (./include/linux/skbuff.h:2718)
[   58.635597][  T655]  ? 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))
[   58.635599][  T655]  ? 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))
[   58.635603][  T655]  netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[   58.635607][  T655]  ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[   58.635609][  T655]  ? __lock_acquire (kernel/locking/lockdep.c:5251 (discriminator 3))
[   58.635614][  T655]  netlink_sendmsg (net/netlink/af_netlink.c:1900)
[   58.635617][  T655]  ? netlink_unicast (./include/net/net_namespace.h:422 (discriminator 7))
[   58.635619][  T655]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554)
[   58.635622][  T655]  ? __might_fault (mm/memory.c:7482 (discriminator 5))
[   58.635626][  T655]  ? __might_fault (mm/memory.c:7482 (discriminator 5))
[   58.635630][  T655]  ____sys_sendmsg (net/socket.c:800 (discriminator 4) net/socket.c:815 (discriminator 4) net/socket.c:2713 (discriminator 4))
[   58.635632][  T655]  ? copy_msghdr_from_user (net/socket.c:2650)
[   58.635634][  T655]  ? get_timestamp.constprop.0 (./include/linux/netdevice.h:5399)
[   58.635636][  T655]  ? move_addr_to_kernel (./include/linux/audit.h:354 (discriminator 1))
[   58.635643][  T655]  ___sys_sendmsg (net/socket.c:2767)
[   58.635646][  T655]  ? copy_msghdr_from_user (net/socket.c:2619)
[   58.635662][  T655]  __sys_sendmsg (net/socket.c:2799)
[   58.635665][  T655]  ? __sys_sendmsg_sock (net/socket.c:2780)
[   58.635671][  T655]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   58.635675][  T655]  do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84)
[   58.635677][  T655]  ? exc_page_fault (arch/x86/mm/fault.c:1489 (discriminator 3) arch/x86/mm/fault.c:1536 (discriminator 3))
[   58.635681][  T655]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[   58.635683][  T655] RIP: 0033:0x7f0a18e3054e
[   58.635687][  T655] 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
[   58.635689][  T655] RSP: 002b:00007ffedcf22440 EFLAGS: 00000202 ORIG_RAX: 000000000000002e
[   58.635692][  T655] RAX: ffffffffffffffda RBX: 0000000000000003 RCX: 00007f0a18e3054e
[   58.635693][  T655] RDX: 0000000000000000 RSI: 00007ffedcf224f0 RDI: 0000000000000005
[   58.635694][  T655] RBP: 00007ffedcf22450 R08: 0000000000000000 R09: 0000000000000000
[   58.635695][  T655] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a918d88
[   58.635696][  T655] R13: 00000000004a1620 R14: 0000000000000000 R15: 00007ffedcf22bc0
| [   59.735611][  T663] softirqs last disabled at (24322): netif_change_name (./include/linux/spinlock.h:353 ./include/linux/seqlock.h:908 net/core/dev.c:1499)
| [   59.735615][  T663] Preemption disabled at:
| [   59.735616][  T663] vprintk_emit (kernel/printk/printk.c:2471)
| [   59.735628][  T663] Tainted: [W]=WARN
[   59.735629][  T663] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   59.735631][  T663] Call Trace:
[   59.735634][  T663]  <TASK>
[   59.735636][  T663]  dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120)
[   59.735642][  T663]  ? vprintk_emit (kernel/printk/printk.c:2471)
[   59.735645][  T663]  __might_resched.cold (kernel/sched/core.c:9234)
[   59.735652][  T663]  ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3))
[   59.735656][  T663]  ? __kmalloc_noprof (./include/linux/sched/mm.h:317 mm/slub.c:4636 mm/slub.c:4974 mm/slub.c:5413 mm/slub.c:5439)
[   59.735664][  T663]  __kmalloc_noprof (./include/linux/sched/mm.h:322 (discriminator 2) mm/slub.c:4636 (discriminator 2) mm/slub.c:4974 (discriminator 2) mm/slub.c:5413 (discriminator 2) mm/slub.c:5439 (discriminator 2))
[   59.735668][  T663]  ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[   59.735677][  T663]  ? do_raw_spin_unlock (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:32 ./include/asm-generic/qspinlock.h:58 kernel/locking/spinlock_debug.c:101 kernel/locking/spinlock_debug.c:141)
[   59.735681][  T663]  alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[   59.735686][  T663]  put_chars (drivers/char/virtio_console.c:1176)
[   59.735691][  T663]  ? __send_to_port (drivers/char/virtio_console.c:654)
[   59.735697][  T663]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380)
[   59.735701][  T663]  ? validate_chain (kernel/locking/lockdep.c:3817 (discriminator 2) kernel/locking/lockdep.c:3837 (discriminator 2) kernel/locking/lockdep.c:3892 (discriminator 2))
[   59.735709][  T663]  hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2))
[   59.735714][  T663]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   59.735716][  T663]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   59.735724][  T663]  ? hvc_write (drivers/tty/hvc/hvc_console.c:501)
[   59.735730][  T663]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   59.735734][  T663]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   59.735741][  T663]  console_emit_next_record (kernel/printk/printk.c:3183)
[   59.735747][  T663]  ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20)
[   59.735749][  T663]  ? console_flush_one_record (./include/linux/rcupdate.h:314 (discriminator 2) ./include/linux/srcu.h:439 (discriminator 2) kernel/printk/printk.c:291 (discriminator 2) kernel/printk/printk.c:3246 (discriminator 2))
[   59.735754][  T663]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   59.735757][  T663]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   59.735764][  T663]  console_flush_one_record (kernel/printk/printk.c:3268)
[   59.735771][  T663]  ? console_emit_next_record (kernel/printk/printk.c:3150)
[   59.735773][  T663]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   59.735782][  T663]  console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420)
[   59.735786][  T663]  ? console_flush_one_record (kernel/printk/printk.c:3316)
[   59.735788][  T663]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   59.735791][  T663]  ? lock_acquire (kernel/locking/lockdep.c:5913)
[   59.735798][  T663]  ? __down_trylock_console_sem (kernel/printk/printk.c:334)
[   59.735801][  T663]  ? vprintk_emit (kernel/printk/printk.c:2478)
[   59.735806][  T663]  vprintk_emit (kernel/printk/printk.c:2479)
[   59.735811][  T663]  ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126))
[   59.735814][  T663]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   59.735817][  T663]  ? save_trace (kernel/locking/lockdep.c:154 (discriminator 6) kernel/locking/lockdep.c:150 (discriminator 6) kernel/locking/lockdep.c:202 (discriminator 6) kernel/locking/lockdep.c:577 (discriminator 6))
[   59.735820][  T663]  ? find_held_lock (kernel/locking/lockdep.c:5360)
[   59.735826][  T663]  _printk (kernel/printk/printk.c:2504)
[   59.735831][  T663]  ? snapshot_read.cold (user.c:?)
[   59.735833][  T663]  ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4116 (discriminator 3) kernel/rcu/tree.c:4108 (discriminator 3))
[   59.735837][  T663]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380)
[   59.735840][  T663]  ? validate_chain (kernel/locking/lockdep.c:3817 (discriminator 2) kernel/locking/lockdep.c:3837 (discriminator 2) kernel/locking/lockdep.c:3892 (discriminator 2))
[   59.735844][  T663]  ? netdev_name (./include/linux/netdevice.h:5709 (discriminator 1))
[   59.735848][  T663]  ? __netdev_printk (net/core/dev.c:13148 (discriminator 2))
[   59.735852][  T663]  ? do_setlink.isra.0 (net/core/rtnetlink.c:3246)
[   59.735855][  T663]  netdev_info (net/core/dev.c:13195 (discriminator 3))
[   59.735859][  T663]  ? netdev_notice (net/core/dev.c:13194)
[   59.735863][  T663]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[   59.735867][  T663]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554)
[   59.735871][  T663]  ? mark_held_locks (kernel/locking/lockdep.c:4341)
[   59.735876][  T663]  ? do_setlink.isra.0 (net/core/rtnetlink.c:3246)
[   59.735879][  T663]  netif_change_name.cold (net/core/dev.c:1507 (discriminator 3))
[   59.735884][  T663]  ? is_bpf_text_address (./include/linux/rcupdate.h:319 (discriminator 2) ./include/linux/rcupdate.h:880 (discriminator 2) kernel/bpf/core.c:751 (discriminator 2))
[   59.735892][  T663]  ? netdev_adjacent_rename_links (net/core/dev.c:9598)
[   59.735895][  T663]  ? __kernel_text_address (kernel/extable.c:79)
[   59.735899][  T663]  ? write_profile (profile.c:?)
[   59.735904][  T663]  ? __asan_memset (mm/kasan/shadow.c:84 (discriminator 1))
[   59.735911][  T663]  do_setlink.isra.0 (net/core/rtnetlink.c:3246)
[   59.735917][  T663]  ? stack_trace_save (kernel/stacktrace.c:122 (discriminator 1))
[   59.735921][  T663]  ? rtnl_link_get_size (net/core/rtnetlink.c:747)
[   59.735922][  T663]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:388 kernel/rcu/update.c:380)
[   59.735925][  T663]  ? stack_depot_save_flags (lib/stackdepot.c:609 (discriminator 2) lib/stackdepot.c:676 (discriminator 2))
[   59.735930][  T663]  ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4116 (discriminator 3) kernel/rcu/tree.c:4108 (discriminator 3))
[   59.735933][  T663]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380)
[   59.735935][  T663]  ? validate_chain (kernel/locking/lockdep.c:3817 (discriminator 2) kernel/locking/lockdep.c:3837 (discriminator 2) kernel/locking/lockdep.c:3892 (discriminator 2))
[   59.735939][  T663]  ? kasan_save_stack (mm/kasan/common.c:58)
[   59.735943][  T663]  ? kasan_save_stack (mm/kasan/common.c:57)
[   59.735945][  T663]  ? kasan_save_track (mm/kasan/common.c:78)
[   59.735949][  T663]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   59.735952][  T663]  ? netlink_update_listeners (net/netlink/af_netlink.c:532)
[   59.735955][  T663]  ? ___sys_sendmsg (net/socket.c:2744 net/socket.c:2763)
[   59.735962][  T663]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2))
[   59.735964][  T663]  ? rtnl_newlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:366 net/core/rtnetlink.c:4214)
[   59.735968][  T663]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   59.735971][  T663]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   59.735973][  T663]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   59.735975][  T663]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   59.735977][  T663]  ? trace_contention_end (./include/trace/events/lock.h:121 (discriminator 22))
[   59.735981][  T663]  ? __mutex_lock (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:3188 kernel/locking/mutex.c:89 kernel/locking/mutex.c:134 kernel/locking/mutex.c:649 kernel/locking/mutex.c:821)
[   59.735985][  T663]  ? __mutex_lock (kernel/locking/mutex.c:656 (discriminator 1) kernel/locking/mutex.c:821 (discriminator 1))
[   59.735988][  T663]  ? rtnl_newlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:366 net/core/rtnetlink.c:4214)
[   59.735993][  T663]  ? ww_mutex_lock (kernel/locking/mutex.c:934)
[   59.735996][  T663]  ? nla_get_range_signed (lib/nlattr.c:270)
[   59.736004][  T663]  ? __rtnl_newlink (net/core/rtnetlink.c:4063)
[   59.736012][  T663]  rtnl_newlink (net/core/rtnetlink.c:4215)
[   59.736020][  T663]  ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558)
[   59.736023][  T663]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   59.736030][  T663]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2))
[   59.736032][  T663]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[   59.736035][  T663]  ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558)
[   59.736038][  T663]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554)
[   59.736044][  T663]  ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558)
[   59.736046][  T663]  rtnetlink_rcv_msg (net/core/rtnetlink.c:7132)
[   59.736055][  T663]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   59.736057][  T663]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   59.736064][  T663]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2))
[   59.736066][  T663]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[   59.736072][  T663]  netlink_rcv_skb (net/netlink/af_netlink.c:2556)
[   59.736074][  T663]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   59.736078][  T663]  ? netlink_ack (./include/linux/skbuff.h:2718)
[   59.736087][  T663]  ? netlink_deliver_tap (./include/linux/rcupdate.h:319 (discriminator 2) ./include/linux/rcupdate.h:880 (discriminator 2) ./include/net/netns/generic.h:48 (discriminator 2) net/netlink/af_netlink.c:334 (discriminator 2))
[   59.736089][  T663]  ? netlink_deliver_tap (./include/linux/rcupdate.h:319 (discriminator 2) ./include/linux/rcupdate.h:880 (discriminator 2) net/netlink/af_netlink.c:341 (discriminator 2))
[   59.736096][  T663]  netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[   59.736101][  T663]  ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[   59.736105][  T663]  ? __lock_acquire (kernel/locking/lockdep.c:5251 (discriminator 3))
[   59.736111][  T663]  netlink_sendmsg (net/netlink/af_netlink.c:1900)
[   59.736117][  T663]  ? netlink_unicast (./include/net/net_namespace.h:422 (discriminator 7))
[   59.736119][  T663]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554)
[   59.736123][  T663]  ? __might_fault (mm/memory.c:7482 (discriminator 5))
[   59.736128][  T663]  ? __might_fault (mm/memory.c:7482 (discriminator 5))
[   59.736134][  T663]  ____sys_sendmsg (net/socket.c:800 (discriminator 4) net/socket.c:815 (discriminator 4) net/socket.c:2713 (discriminator 4))
[   59.736137][  T663]  ? copy_msghdr_from_user (net/socket.c:2650)
[   59.736140][  T663]  ? get_timestamp.constprop.0 (./include/linux/netdevice.h:5399)
[   59.736142][  T663]  ? move_addr_to_kernel (./include/linux/audit.h:354 (discriminator 1))
[   59.736154][  T663]  ___sys_sendmsg (net/socket.c:2767)
[   59.736158][  T663]  ? copy_msghdr_from_user (net/socket.c:2619)
[   59.736184][  T663]  __sys_sendmsg (net/socket.c:2799)
[   59.736188][  T663]  ? __sys_sendmsg_sock (net/socket.c:2780)
[   59.736198][  T663]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   59.736203][  T663]  do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84)
[   59.736206][  T663]  ? exc_page_fault (arch/x86/mm/fault.c:1489 (discriminator 3) arch/x86/mm/fault.c:1536 (discriminator 3))
[   59.736211][  T663]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[   59.736214][  T663] RIP: 0033:0x7fee7b7b654e
[   59.736219][  T663] Code: 4d 89 d8 e8 b4 bd 00 00 4c 8b 5d f8 41 8b 93 08 03 00 00 59 5e 48 83 f8 fc 74 11 c9 c3 0f 1f 80 00 00 00 00 48 8b 45 10 0f 05 <c9> c3 83 e2 39 83 fa 08 75 e7 e8 03 ff ff ff 0f 1f 00 f3 0f 1e fa
All code
========
   0:	4d 89 d8             	mov    %r11,%r8
   3:	e8 b4 bd 00 00       	call   0xbdbc
   8:	4c 8b 5d f8          	mov    -0x8(%rbp),%r11
   c:	41 8b 93 08 03 00 00 	mov    0x308(%r11),%edx
  13:	59                   	pop    %rcx
  14:	5e                   	pop    %rsi
  15:	48 83 f8 fc          	cmp    $0xfffffffffffffffc,%rax
  19:	74 11                	je     0x2c
  1b:	c9                   	leave
  1c:	c3                   	ret
  1d:	0f 1f 80 00 00 00 00 	nopl   0x0(%rax)
  24:	48 8b 45 10          	mov    0x10(%rbp),%rax
  28:	0f 05                	syscall
  2a:*	c9                   	leave		<-- trapping instruction
  2b:	c3                   	ret
  2c:	83 e2 39             	and    $0x39,%edx
  2f:	83 fa 08             	cmp    $0x8,%edx
  32:	75 e7                	jne    0x1b
  34:	e8 03 ff ff ff       	call   0xffffffffffffff3c
  39:	0f 1f 00             	nopl   (%rax)
  3c:	f3 0f 1e fa          	endbr64

Code starting with the faulting instruction
===========================================
   0:	c9                   	leave
   1:	c3                   	ret
   2:	83 e2 39             	and    $0x39,%edx
   5:	83 fa 08             	cmp    $0x8,%edx
   8:	75 e7                	jne    0xfffffffffffffff1
   a:	e8 03 ff ff ff       	call   0xffffffffffffff12
   f:	0f 1f 00             	nopl   (%rax)
  12:	f3 0f 1e fa          	endbr64
[   59.736222][  T663] RSP: 002b:00007ffdeabd21f0 EFLAGS: 00000202 ORIG_RAX: 000000000000002e
[   59.736225][  T663] RAX: ffffffffffffffda RBX: 0000000000000003 RCX: 00007fee7b7b654e
[   59.736227][  T663] RDX: 0000000000000000 RSI: 00007ffdeabd22a0 RDI: 0000000000000005
[   59.736228][  T663] RBP: 00007ffdeabd2200 R08: 0000000000000000 R09: 0000000000000000
[   59.736229][  T663] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a918d8a


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