======================================
| [   12.921559][  T267] softirqs last disabled at (28152): netlink_release (./include/net/sock.h:2138 net/netlink/af_netlink.c:727)
| [   12.921561][  T267] Preemption disabled at:
| [   12.921562][  T267] 0x0
| [   12.921572][  T267] Tainted: [W]=WARN
[   12.921573][  T267] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   12.921574][  T267] Call Trace:
[   12.921576][  T267]  <TASK>
[   12.921578][  T267]  dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120)
[   12.921584][  T267]  __might_resched.cold (kernel/sched/core.c:9234)
[   12.921589][  T267]  ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3))
[   12.921593][  T267]  ? __kmalloc_noprof (./include/linux/sched/mm.h:317 mm/slub.c:4636 mm/slub.c:4974 mm/slub.c:5413 mm/slub.c:5439)
[   12.921597][  T267]  __kmalloc_noprof (./include/linux/sched/mm.h:322 (discriminator 2) mm/slub.c:4636 (discriminator 2) mm/slub.c:4974 (discriminator 2) mm/slub.c:5413 (discriminator 2) mm/slub.c:5439 (discriminator 2))
[   12.921599][  T267]  ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[   12.921606][  T267]  ? do_raw_spin_unlock (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:32 ./include/asm-generic/qspinlock.h:58 kernel/locking/spinlock_debug.c:101 kernel/locking/spinlock_debug.c:141)
[   12.921609][  T267]  alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[   12.921612][  T267]  put_chars (drivers/char/virtio_console.c:1176)
[   12.921615][  T267]  ? __send_to_port (drivers/char/virtio_console.c:654)
[   12.921616][  T267]  ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4116 (discriminator 3) kernel/rcu/tree.c:4108 (discriminator 3))
[   12.921619][  T267]  ? validate_chain (kernel/locking/lockdep.c:3817 (discriminator 2) kernel/locking/lockdep.c:3837 (discriminator 2) kernel/locking/lockdep.c:3892 (discriminator 2))
[   12.921625][  T267]  hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2))
[   12.921632][  T267]  ? hvc_write (drivers/tty/hvc/hvc_console.c:501)
[   12.921635][  T267]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   12.921637][  T267]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   12.921641][  T267]  console_emit_next_record (kernel/printk/printk.c:3183)
[   12.921645][  T267]  ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20)
[   12.921647][  T267]  ? console_flush_one_record (./include/linux/rcupdate.h:314 (discriminator 2) ./include/linux/srcu.h:439 (discriminator 2) kernel/printk/printk.c:291 (discriminator 2) kernel/printk/printk.c:3246 (discriminator 2))
[   12.921650][  T267]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   12.921652][  T267]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   12.921655][  T267]  console_flush_one_record (kernel/printk/printk.c:3268)
[   12.921660][  T267]  ? console_emit_next_record (kernel/printk/printk.c:3150)
[   12.921661][  T267]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   12.921667][  T267]  console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420)
[   12.921670][  T267]  ? console_flush_one_record (kernel/printk/printk.c:3316)
[   12.921672][  T267]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   12.921673][  T267]  ? lock_acquire (./include/linux/srcutree.h:374 ./include/linux/srcu.h:541 ./include/linux/srcu.h:645 ./include/trace/events/lock.h:23 ./include/trace/events/lock.h:23 kernel/locking/lockdep.c:5871)
[   12.921677][  T267]  ? __down_trylock_console_sem (kernel/printk/printk.c:334)
[   12.921679][  T267]  ? vprintk_emit (kernel/printk/printk.c:2478)
[   12.921681][  T267]  vprintk_emit (kernel/printk/printk.c:2479)
[   12.921685][  T267]  ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126))
[   12.921687][  T267]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   12.921691][  T267]  _printk (kernel/printk/printk.c:2504)
[   12.921695][  T267]  ? snapshot_read.cold (user.c:?)
[   12.921697][  T267]  ? do_raw_spin_lock (./include/linux/instrumented.h:55 ./include/linux/atomic/atomic-instrumented.h:1301 ./include/asm-generic/qspinlock.h:112 kernel/locking/spinlock_debug.c:116)
[   12.921700][  T267]  ? __rwlock_init (kernel/locking/spinlock_debug.c:48)
[   12.921704][  T267]  ? do_raw_spin_lock (./include/linux/instrumented.h:55 ./include/linux/atomic/atomic-instrumented.h:1301 ./include/asm-generic/qspinlock.h:112 kernel/locking/spinlock_debug.c:116)
[   12.921707][  T267]  do_exit.cold (kernel/exit.c:889 (discriminator 4) kernel/exit.c:1043 (discriminator 4))
[   12.921710][  T267]  ? exit_notify (kernel/exit.c:780)
[   12.921712][  T267]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554)
[   12.921714][  T267]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   12.921718][  T267]  do_group_exit (kernel/exit.c:1151)
[   12.921721][  T267]  __x64_sys_exit_group (kernel/exit.c:1162 kernel/exit.c:1160 kernel/exit.c:1160)
[   12.921723][  T267]  x64_sys_call (./arch/x86/include/generated/asm/syscalls_64.h:232)
[   12.921725][  T267]  do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84)
[   12.921729][  T267]  ? exc_page_fault (arch/x86/mm/fault.c:1489 (discriminator 3) arch/x86/mm/fault.c:1536 (discriminator 3))
[   12.921732][  T267]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[   12.921734][  T267] RIP: 0033:0x7f7f6f2811b8
[   12.921736][  T267] Code: Unable to access opcode bytes at 0x7f7f6f28118e.

Code starting with the faulting instruction
===========================================
[   12.921737][  T267] RSP: 002b:00007ffe5b337028 EFLAGS: 00000246 ORIG_RAX: 00000000000000e7
[   12.921740][  T267] RAX: ffffffffffffffda RBX: 00007f7f6f3b1f88 RCX: 00007f7f6f2811b8
[   12.921741][  T267] RDX: 00007f7f6efcbfc8 RSI: fffffffffffffeb8 RDI: 0000000000000000
[   12.921742][  T267] RBP: 00007ffe5b337080 R08: 0000000000000000 R09: 0000000000008010
[   12.921743][  T267] R10: 00007ffe5b336e40 R11: 0000000000000246 R12: 0000000000000001
[   12.921744][  T267] R13: 0000000000000000 R14: 00007f7f6f3b0680 R15: 00007f7f6f3b1fa0
| [   15.575894][  T342] softirqs last disabled at (11688): __alloc_skb (./include/linux/bottom_half.h:20 (discriminator 2) net/core/skbuff.c:697 (discriminator 2))
| [   15.575896][  T342] Preemption disabled at:
| [   15.575897][  T342] vprintk_emit (kernel/printk/printk.c:2471)
| [   15.575906][  T342] Tainted: [W]=WARN
[   15.575907][  T342] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   15.575908][  T342] Call Trace:
[   15.575910][  T342]  <TASK>
[   15.575911][  T342]  dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120)
[   15.575922][  T342]  ? vprintk_emit (kernel/printk/printk.c:2471)
[   15.575924][  T342]  __might_resched.cold (kernel/sched/core.c:9234)
[   15.575929][  T342]  ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3))
[   15.575933][  T342]  ? __kmalloc_noprof (./include/linux/sched/mm.h:317 mm/slub.c:4636 mm/slub.c:4974 mm/slub.c:5413 mm/slub.c:5439)
[   15.575937][  T342]  __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))
[   15.575939][  T342]  ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[   15.575946][  T342]  ? 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)
[   15.575949][  T342]  alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[   15.575953][  T342]  put_chars (drivers/char/virtio_console.c:1176)
[   15.575955][  T342]  ? __send_to_port (drivers/char/virtio_console.c:654)
[   15.575958][  T342]  ? validate_chain (kernel/locking/lockdep.c:3817 (discriminator 2) kernel/locking/lockdep.c:3837 (discriminator 2) kernel/locking/lockdep.c:3892 (discriminator 2))
[   15.575963][  T342]  hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2))
[   15.575970][  T342]  ? hvc_write (drivers/tty/hvc/hvc_console.c:501)
[   15.575973][  T342]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   15.575976][  T342]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   15.575980][  T342]  console_emit_next_record (kernel/printk/printk.c:3183)
[   15.575984][  T342]  ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20)
[   15.575986][  T342]  ? 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))
[   15.575989][  T342]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   15.575991][  T342]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   15.575994][  T342]  console_flush_one_record (kernel/printk/printk.c:3268)
[   15.575999][  T342]  ? console_emit_next_record (kernel/printk/printk.c:3150)
[   15.576001][  T342]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   15.576006][  T342]  console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420)
[   15.576008][  T342]  ? console_flush_one_record (kernel/printk/printk.c:3316)
[   15.576010][  T342]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   15.576012][  T342]  ? lock_acquire (./include/linux/srcutree.h:374 ./include/linux/srcu.h:541 ./include/linux/srcu.h:645 ./include/trace/events/lock.h:23 ./include/trace/events/lock.h:23 kernel/locking/lockdep.c:5871)
[   15.576016][  T342]  ? __down_trylock_console_sem (kernel/printk/printk.c:334)
[   15.576017][  T342]  ? vprintk_emit (kernel/printk/printk.c:2478)
[   15.576020][  T342]  vprintk_emit (kernel/printk/printk.c:2479)
[   15.576023][  T342]  ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126))
[   15.576024][  T342]  ? rtnl_newlink (net/core/rtnetlink.c:4215)
[   15.576026][  T342]  ? netlink_rcv_skb (net/netlink/af_netlink.c:2556)
[   15.576029][  T342]  ? netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[   15.576031][  T342]  ? netlink_sendmsg (net/netlink/af_netlink.c:1900)
[   15.576033][  T342]  ? __sock_sendmsg (net/socket.c:800 (discriminator 4) net/socket.c:815 (discriminator 4))
[   15.576035][  T342]  ? ____sys_sendmsg (net/socket.c:2713)
[   15.576036][  T342]  ? ___sys_sendmsg (net/socket.c:2767)
[   15.576040][  T342]  _printk (kernel/printk/printk.c:2504)
[   15.576043][  T342]  ? snapshot_read.cold (user.c:?)
[   15.576047][  T342]  ? netdev_name (./include/linux/netdevice.h:5709 (discriminator 1))
[   15.576051][  T342]  ? __netdev_printk (net/core/dev.c:13148 (discriminator 2))
[   15.576055][  T342]  netdev_info (net/core/dev.c:13195 (discriminator 3))
[   15.576058][  T342]  ? netdev_notice (net/core/dev.c:13194)
[   15.576062][  T342]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   15.576064][  T342]  ? __up_read (kernel/locking/rwsem.c:1397 (discriminator 1))
[   15.576066][  T342]  ? down_write_nested (kernel/locking/rwsem.c:1759)
[   15.576068][  T342]  ? mutex_is_locked (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:3188 kernel/locking/mutex.h:48 kernel/locking/mutex.c:65)
[   15.576071][  T342]  netif_set_allmulti.cold (net/core/dev.c:9731 (discriminator 3))
[   15.576075][  T342]  dev_set_allmulti (net/core/dev_api.c:315)
[   15.576079][  T342]  del_nbp (net/bridge/br_if.c:253 net/bridge/br_if.c:341)
[   15.576085][  T342]  br_del_if (net/bridge/br_if.c:732)
[   15.576087][  T342]  ? rtnl_is_locked (net/core/rtnetlink.c:169)
[   15.576091][  T342]  do_set_master (net/core/rtnetlink.c:3055)
[   15.576094][  T342]  do_setlink.isra.0 (net/core/rtnetlink.c:3273 (discriminator 1))
[   15.576098][  T342]  ? stack_trace_save (kernel/stacktrace.c:122 (discriminator 1))
[   15.576101][  T342]  ? rtnl_link_get_size (net/core/rtnetlink.c:747)
[   15.576103][  T342]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:388 kernel/rcu/update.c:380)
[   15.576105][  T342]  ? stack_depot_save_flags (lib/stackdepot.c:609 (discriminator 2) lib/stackdepot.c:676 (discriminator 2))
[   15.576109][  T342]  ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4116 (discriminator 3) kernel/rcu/tree.c:4108 (discriminator 3))
[   15.576111][  T342]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380)
[   15.576112][  T342]  ? validate_chain (kernel/locking/lockdep.c:3817 (discriminator 2) kernel/locking/lockdep.c:3837 (discriminator 2) kernel/locking/lockdep.c:3892 (discriminator 2))
[   15.576115][  T342]  ? kasan_save_stack (mm/kasan/common.c:58)
[   15.576117][  T342]  ? kasan_save_stack (mm/kasan/common.c:57)
[   15.576118][  T342]  ? kasan_save_track (mm/kasan/common.c:78)
[   15.576120][  T342]  ? __kasan_kmalloc (mm/kasan/common.c:398 mm/kasan/common.c:415)
[   15.576122][  T342]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   15.576124][  T342]  ? snd_ac97_proc_read_main (sound/pci/ac97/ac97_proc.c:320)
[   15.576126][  T342]  ? ___sys_sendmsg (net/socket.c:2758)
[   15.576129][  T342]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2))
[   15.576131][  T342]  ? rtnl_newlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:366 net/core/rtnetlink.c:4214)
[   15.576134][  T342]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   15.576136][  T342]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   15.576137][  T342]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   15.576138][  T342]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   15.576140][  T342]  ? trace_contention_end (./include/trace/events/lock.h:121 (discriminator 22))
[   15.576142][  T342]  ? __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)
[   15.576145][  T342]  ? __mutex_lock (kernel/locking/mutex.c:656 (discriminator 1) kernel/locking/mutex.c:821 (discriminator 1))
[   15.576147][  T342]  ? rtnl_newlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:366 net/core/rtnetlink.c:4214)
[   15.576150][  T342]  ? ww_mutex_lock (kernel/locking/mutex.c:934)
[   15.576151][  T342]  ? nla_get_range_signed (lib/nlattr.c:270)
[   15.576156][  T342]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   15.576158][  T342]  ? __rtnl_newlink (net/core/rtnetlink.c:4063)
[   15.576163][  T342]  rtnl_newlink (net/core/rtnetlink.c:4215)
[   15.576168][  T342]  ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558)
[   15.576170][  T342]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   15.576174][  T342]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2))
[   15.576176][  T342]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[   15.576179][  T342]  ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558)
[   15.576180][  T342]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554)
[   15.576184][  T342]  ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558)
[   15.576186][  T342]  rtnetlink_rcv_msg (net/core/rtnetlink.c:7132)
[   15.576189][  T342]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   15.576190][  T342]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   15.576195][  T342]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2))
[   15.576197][  T342]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[   15.576200][  T342]  netlink_rcv_skb (net/netlink/af_netlink.c:2556)
[   15.576202][  T342]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   15.576205][  T342]  ? netlink_ack (./include/linux/skbuff.h:2718)
[   15.576211][  T342]  ? 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))
[   15.576213][  T342]  ? 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))
[   15.576218][  T342]  netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[   15.576221][  T342]  ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[   15.576224][  T342]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[   15.576228][  T342]  netlink_sendmsg (net/netlink/af_netlink.c:1900)
[   15.576232][  T342]  ? netlink_unicast (./include/net/net_namespace.h:422 (discriminator 7))
[   15.576237][  T342]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554)
[   15.576239][  T342]  ? __import_iovec (lib/iov_iter.c:1358 lib/iov_iter.c:1373)
[   15.576244][  T342]  __sock_sendmsg (net/socket.c:800 (discriminator 4) net/socket.c:815 (discriminator 4))
[   15.576247][  T342]  ____sys_sendmsg (net/socket.c:2713)
[   15.576249][  T342]  ? copy_msghdr_from_user (net/socket.c:2650)
[   15.576252][  T342]  ? sock_write_iter (net/socket.c:1269)
[   15.576253][  T342]  ? move_addr_to_kernel (net/socket.c:258)
[   15.576260][  T342]  ___sys_sendmsg (net/socket.c:2767)
[   15.576263][  T342]  ? copy_msghdr_from_user (net/socket.c:2619)
[   15.576278][  T342]  __sys_sendmsg (net/socket.c:2799)
[   15.576281][  T342]  ? __sys_sendmsg_sock (net/socket.c:2780)
[   15.576287][  T342]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   15.576290][  T342]  do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84)
[   15.576293][  T342]  ? exc_page_fault (arch/x86/mm/fault.c:1489 (discriminator 3) arch/x86/mm/fault.c:1536 (discriminator 3))
[   15.576296][  T342]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[   15.576298][  T342] RIP: 0033:0x7f375f4c154e
[   15.576301][  T342] 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
[   15.576303][  T342] RSP: 002b:00007fff00133f90 EFLAGS: 00000202 ORIG_RAX: 000000000000002e
[   15.576305][  T342] RAX: ffffffffffffffda RBX: 0000000000000003 RCX: 00007f375f4c154e
[   15.576307][  T342] RDX: 0000000000000000 RSI: 00007fff00134040 RDI: 0000000000000005
[   15.576308][  T342] RBP: 00007fff00133fa0 R08: 0000000000000000 R09: 0000000000000000
[   15.576309][  T342] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a9146c4
[   15.576309][  T342] R13: 00000000004a1620 R14: 0000000000000000 R15: 00007fff00134700
| [   18.390497][  T426] softirqs last disabled at (13916): __alloc_skb (./include/linux/bottom_half.h:20 (discriminator 2) net/core/skbuff.c:697 (discriminator 2))
| [   18.390499][  T426] Preemption disabled at:
| [   18.390500][  T426] vprintk_emit (kernel/printk/printk.c:2471)
| [   18.390508][  T426] Tainted: [W]=WARN
[   18.390509][  T426] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   18.390510][  T426] Call Trace:
[   18.390512][  T426]  <TASK>
[   18.390513][  T426]  dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120)
[   18.390519][  T426]  ? vprintk_emit (kernel/printk/printk.c:2471)
[   18.390521][  T426]  __might_resched.cold (kernel/sched/core.c:9234)
[   18.390525][  T426]  ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3))
[   18.390529][  T426]  ? __kmalloc_noprof (./include/linux/sched/mm.h:317 mm/slub.c:4636 mm/slub.c:4974 mm/slub.c:5413 mm/slub.c:5439)
[   18.390534][  T426]  __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))
[   18.390536][  T426]  ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[   18.390542][  T426]  ? 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)
[   18.390545][  T426]  alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[   18.390549][  T426]  put_chars (drivers/char/virtio_console.c:1176)
[   18.390551][  T426]  ? __send_to_port (drivers/char/virtio_console.c:654)
[   18.390554][  T426]  ? validate_chain (kernel/locking/lockdep.c:3817 (discriminator 2) kernel/locking/lockdep.c:3837 (discriminator 2) kernel/locking/lockdep.c:3892 (discriminator 2))
[   18.390559][  T426]  hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2))
[   18.390567][  T426]  ? hvc_write (drivers/tty/hvc/hvc_console.c:501)
[   18.390570][  T426]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   18.390573][  T426]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   18.390577][  T426]  console_emit_next_record (kernel/printk/printk.c:3183)
[   18.390581][  T426]  ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20)
[   18.390582][  T426]  ? 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))
[   18.390586][  T426]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   18.390587][  T426]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   18.390591][  T426]  console_flush_one_record (kernel/printk/printk.c:3268)
[   18.390595][  T426]  ? console_emit_next_record (kernel/printk/printk.c:3150)
[   18.390597][  T426]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   18.390602][  T426]  console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420)
[   18.390605][  T426]  ? console_flush_one_record (kernel/printk/printk.c:3316)
[   18.390607][  T426]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   18.390608][  T426]  ? lock_acquire (./include/linux/srcutree.h:374 ./include/linux/srcu.h:541 ./include/linux/srcu.h:645 ./include/trace/events/lock.h:23 ./include/trace/events/lock.h:23 kernel/locking/lockdep.c:5871)
[   18.390612][  T426]  ? __down_trylock_console_sem (kernel/printk/printk.c:334)
[   18.390614][  T426]  ? vprintk_emit (kernel/printk/printk.c:2478)
[   18.390617][  T426]  vprintk_emit (kernel/printk/printk.c:2479)
[   18.390620][  T426]  ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126))
[   18.390621][  T426]  ? rtnl_newlink (net/core/rtnetlink.c:4215)
[   18.390622][  T426]  ? netlink_rcv_skb (net/netlink/af_netlink.c:2556)
[   18.390625][  T426]  ? netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[   18.390627][  T426]  ? netlink_sendmsg (net/netlink/af_netlink.c:1900)
[   18.390628][  T426]  ? __sock_sendmsg (net/socket.c:800 (discriminator 4) net/socket.c:815 (discriminator 4))
[   18.390631][  T426]  ? ____sys_sendmsg (net/socket.c:2713)
[   18.390632][  T426]  ? ___sys_sendmsg (net/socket.c:2767)
[   18.390635][  T426]  _printk (kernel/printk/printk.c:2504)
[   18.390639][  T426]  ? snapshot_read.cold (user.c:?)
[   18.390643][  T426]  ? netdev_name (./include/linux/netdevice.h:5709 (discriminator 1))
[   18.390647][  T426]  ? __netdev_printk (net/core/dev.c:13148 (discriminator 2))
[   18.390651][  T426]  netdev_info (net/core/dev.c:13195 (discriminator 3))
[   18.390653][  T426]  ? netdev_notice (net/core/dev.c:13194)
[   18.390658][  T426]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   18.390659][  T426]  ? __up_read (kernel/locking/rwsem.c:1397 (discriminator 1))
[   18.390662][  T426]  ? down_write_nested (kernel/locking/rwsem.c:1759)
[   18.390664][  T426]  ? mutex_is_locked (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:3188 kernel/locking/mutex.h:48 kernel/locking/mutex.c:65)
[   18.390666][  T426]  netif_set_allmulti.cold (net/core/dev.c:9731 (discriminator 3))
[   18.390670][  T426]  dev_set_allmulti (net/core/dev_api.c:315)
[   18.390674][  T426]  del_nbp (net/bridge/br_if.c:253 net/bridge/br_if.c:341)
[   18.390680][  T426]  br_del_if (net/bridge/br_if.c:732)
[   18.390682][  T426]  ? rtnl_is_locked (net/core/rtnetlink.c:169)
[   18.390686][  T426]  do_set_master (net/core/rtnetlink.c:3055)
[   18.390690][  T426]  do_setlink.isra.0 (net/core/rtnetlink.c:3273 (discriminator 1))
[   18.390693][  T426]  ? stack_trace_save (kernel/stacktrace.c:122 (discriminator 1))
[   18.390697][  T426]  ? rtnl_link_get_size (net/core/rtnetlink.c:747)
[   18.390698][  T426]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:388 kernel/rcu/update.c:380)
[   18.390700][  T426]  ? stack_depot_save_flags (lib/stackdepot.c:609 (discriminator 2) lib/stackdepot.c:676 (discriminator 2))
[   18.390704][  T426]  ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4116 (discriminator 3) kernel/rcu/tree.c:4108 (discriminator 3))
[   18.390706][  T426]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380)
[   18.390708][  T426]  ? validate_chain (kernel/locking/lockdep.c:3817 (discriminator 2) kernel/locking/lockdep.c:3837 (discriminator 2) kernel/locking/lockdep.c:3892 (discriminator 2))
[   18.390710][  T426]  ? kasan_save_stack (mm/kasan/common.c:58)
[   18.390712][  T426]  ? kasan_save_stack (mm/kasan/common.c:57)
[   18.390713][  T426]  ? kasan_save_track (mm/kasan/common.c:78)
[   18.390715][  T426]  ? __kasan_kmalloc (mm/kasan/common.c:398 mm/kasan/common.c:415)
[   18.390717][  T426]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   18.390719][  T426]  ? snd_ac97_proc_read_main (sound/pci/ac97/ac97_proc.c:320)
[   18.390721][  T426]  ? ___sys_sendmsg (net/socket.c:2758)
[   18.390724][  T426]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2))
[   18.390726][  T426]  ? rtnl_newlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:366 net/core/rtnetlink.c:4214)
[   18.390729][  T426]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   18.390730][  T426]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   18.390732][  T426]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   18.390733][  T426]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   18.390735][  T426]  ? trace_contention_end (./include/trace/events/lock.h:121 (discriminator 22))
[   18.390737][  T426]  ? __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)
[   18.390739][  T426]  ? __mutex_lock (kernel/locking/mutex.c:656 (discriminator 1) kernel/locking/mutex.c:821 (discriminator 1))
[   18.390741][  T426]  ? rtnl_newlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:366 net/core/rtnetlink.c:4214)
[   18.390744][  T426]  ? ww_mutex_lock (kernel/locking/mutex.c:934)
[   18.390745][  T426]  ? nla_get_range_signed (lib/nlattr.c:270)
[   18.390750][  T426]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   18.390752][  T426]  ? __rtnl_newlink (net/core/rtnetlink.c:4063)
[   18.390757][  T426]  rtnl_newlink (net/core/rtnetlink.c:4215)
[   18.390762][  T426]  ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558)
[   18.390764][  T426]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   18.390769][  T426]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2))
[   18.390770][  T426]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[   18.390773][  T426]  ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558)
[   18.390774][  T426]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554)
[   18.390778][  T426]  ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558)
[   18.390780][  T426]  rtnetlink_rcv_msg (net/core/rtnetlink.c:7132)
[   18.390783][  T426]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   18.390784][  T426]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   18.390789][  T426]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2))
[   18.390790][  T426]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[   18.390794][  T426]  netlink_rcv_skb (net/netlink/af_netlink.c:2556)
[   18.390796][  T426]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   18.390798][  T426]  ? netlink_ack (./include/linux/skbuff.h:2718)
[   18.390805][  T426]  ? 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))
[   18.390807][  T426]  ? 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))
[   18.390811][  T426]  netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[   18.390815][  T426]  ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[   18.390817][  T426]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[   18.390822][  T426]  netlink_sendmsg (net/netlink/af_netlink.c:1900)
[   18.390825][  T426]  ? netlink_unicast (./include/net/net_namespace.h:422 (discriminator 7))
[   18.390829][  T426]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554)
[   18.390831][  T426]  ? __import_iovec (lib/iov_iter.c:1358 lib/iov_iter.c:1373)
[   18.390836][  T426]  __sock_sendmsg (net/socket.c:800 (discriminator 4) net/socket.c:815 (discriminator 4))
[   18.390839][  T426]  ____sys_sendmsg (net/socket.c:2713)
[   18.390841][  T426]  ? copy_msghdr_from_user (net/socket.c:2650)
[   18.390843][  T426]  ? sock_write_iter (net/socket.c:1269)
[   18.390844][  T426]  ? move_addr_to_kernel (net/socket.c:258)
[   18.390852][  T426]  ___sys_sendmsg (net/socket.c:2767)
[   18.390854][  T426]  ? copy_msghdr_from_user (net/socket.c:2619)
[   18.390870][  T426]  __sys_sendmsg (net/socket.c:2799)
[   18.390872][  T426]  ? __sys_sendmsg_sock (net/socket.c:2780)
[   18.390878][  T426]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   18.390881][  T426]  do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84)
[   18.390884][  T426]  ? exc_page_fault (arch/x86/mm/fault.c:1489 (discriminator 3) arch/x86/mm/fault.c:1536 (discriminator 3))
[   18.390887][  T426]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[   18.390889][  T426] RIP: 0033:0x7fa83059754e
[   18.390893][  T426] 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
[   18.390895][  T426] RSP: 002b:00007ffe51c885a0 EFLAGS: 00000202 ORIG_RAX: 000000000000002e
[   18.390897][  T426] RAX: ffffffffffffffda RBX: 0000000000000003 RCX: 00007fa83059754e
[   18.390898][  T426] RDX: 0000000000000000 RSI: 00007ffe51c88650 RDI: 0000000000000005
[   18.390899][  T426] RBP: 00007ffe51c885b0 R08: 0000000000000000 R09: 0000000000000000
[   18.390900][  T426] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a9146c7
[   18.390901][  T426] R13: 00000000004a1620 R14: 0000000000000000 R15: 00007ffe51c88d10
| [   21.086037][  T504] softirqs last disabled at (19070): dev_mc_unsync (./include/linux/bottom_half.h:20 (discriminator 2) ./include/linux/netdevice.h:5008 (discriminator 2) net/core/dev_addr_lists.c:1148 (discriminator 2) net/core/dev_addr_lists.c:1142 (discriminator 2))
| [   21.086039][  T504] Preemption disabled at:
| [   21.086040][  T504] vprintk_emit (kernel/printk/printk.c:2471)
| [   21.086049][  T504] Tainted: [W]=WARN
[   21.086050][  T504] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   21.086051][  T504] Call Trace:
[   21.086053][  T504]  <TASK>
[   21.086054][  T504]  dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120)
[   21.086060][  T504]  ? vprintk_emit (kernel/printk/printk.c:2471)
[   21.086062][  T504]  __might_resched.cold (kernel/sched/core.c:9234)
[   21.086066][  T504]  ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3))
[   21.086071][  T504]  ? __kmalloc_noprof (./include/linux/sched/mm.h:317 mm/slub.c:4636 mm/slub.c:4974 mm/slub.c:5413 mm/slub.c:5439)
[   21.086075][  T504]  __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))
[   21.086077][  T504]  ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[   21.086083][  T504]  ? 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)
[   21.086086][  T504]  alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[   21.086089][  T504]  put_chars (drivers/char/virtio_console.c:1176)
[   21.086092][  T504]  ? __send_to_port (drivers/char/virtio_console.c:654)
[   21.086093][  T504]  ? check_prev_add (kernel/locking/lockdep.c:3185)
[   21.086098][  T504]  ? validate_chain (kernel/locking/lockdep.c:159 kernel/locking/lockdep.c:191 kernel/locking/lockdep.c:3928)
[   21.086101][  T504]  hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2))
[   21.086105][  T504]  ? mark_usage (kernel/locking/lockdep.c:4690)
[   21.086107][  T504]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   21.086109][  T504]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   21.086113][  T504]  ? hvc_write (drivers/tty/hvc/hvc_console.c:501)
[   21.086115][  T504]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2))
[   21.086119][  T504]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   21.086123][  T504]  console_emit_next_record (kernel/printk/printk.c:3183)
[   21.086127][  T504]  ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20)
[   21.086129][  T504]  ? 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))
[   21.086132][  T504]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   21.086135][  T504]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   21.086139][  T504]  console_flush_one_record (kernel/printk/printk.c:3268)
[   21.086143][  T504]  ? console_emit_next_record (kernel/printk/printk.c:3150)
[   21.086145][  T504]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   21.086150][  T504]  console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420)
[   21.086153][  T504]  ? console_flush_one_record (kernel/printk/printk.c:3316)
[   21.086155][  T504]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   21.086156][  T504]  ? lock_acquire (./include/linux/srcutree.h:374 ./include/linux/srcu.h:541 ./include/linux/srcu.h:645 ./include/trace/events/lock.h:23 ./include/trace/events/lock.h:23 kernel/locking/lockdep.c:5871)
[   21.086160][  T504]  ? __down_trylock_console_sem (kernel/printk/printk.c:334)
[   21.086162][  T504]  ? vprintk_emit (kernel/printk/printk.c:2478)
[   21.086164][  T504]  vprintk_emit (kernel/printk/printk.c:2479)
[   21.086167][  T504]  ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126))
[   21.086169][  T504]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   21.086174][  T504]  _printk (kernel/printk/printk.c:2504)
[   21.086178][  T504]  ? snapshot_read.cold (user.c:?)
[   21.086181][  T504]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   21.086182][  T504]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   21.086184][  T504]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   21.086185][  T504]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   21.086186][  T504]  ? netdev_name (./include/linux/netdevice.h:5709 (discriminator 1))
[   21.086189][  T504]  ? __netdev_printk (net/core/dev.c:13148 (discriminator 2))
[   21.086193][  T504]  netdev_info (net/core/dev.c:13195 (discriminator 3))
[   21.086196][  T504]  ? netdev_notice (net/core/dev.c:13194)
[   21.086199][  T504]  ? ww_mutex_lock (kernel/locking/mutex.c:934)
[   21.086207][  T504]  __dev_set_promiscuity.cold (net/core/dev.c:9672 (discriminator 3))
[   21.086211][  T504]  netif_set_promiscuity (net/core/dev.c:9699)
[   21.086215][  T504]  dev_set_promiscuity (net/core/dev_api.c:288)
[   21.086218][  T504]  macvlan_stop (drivers/net/macvlan.c:717)
[   21.086221][  T504]  __dev_close_many (net/core/dev.c:1798)
[   21.086224][  T504]  ? net_generic (./include/linux/rcupdate.h:882 ./include/net/netns/generic.h:48) vxlan
[   21.086231][  T504]  ? netif_open (net/core/dev.c:1755)
[   21.086234][  T504]  ? netif_close_many (net/core/dev.c:1824)
[   21.086240][  T504]  netif_close_many (net/core/dev.c:1824)
[   21.086244][  T504]  ? __dev_close_many (net/core/dev.c:1804)
[   21.086247][  T504]  ? netif_close_many_and_unlock (net/core/dev.c:12411)
[   21.086251][  T504]  unregister_netdevice_many_notify (net/core/dev.c:12487)
[   21.086255][  T504]  ? netlink_sendmsg (net/netlink/af_netlink.c:1900)
[   21.086259][  T504]  ? unregister_netdevice_queued (./include/linux/list.h:419 (discriminator 3))
[   21.086260][  T504]  ? unregister_netdevice_many (net/core/dev.c:12589)
[   21.086263][  T504]  ? netdev_upper_dev_unlink (net/core/dev.c:9114)
[   21.086265][  T504]  ? __netdev_upper_dev_unlink (net/core/dev.c:9096)
[   21.086270][  T504]  rtnl_dellink (net/core/rtnetlink.c:3652 net/core/rtnetlink.c:3694)
[   21.086271][  T504]  ? mark_usage (kernel/locking/lockdep.c:4690)
[   21.086273][  T504]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   21.086275][  T504]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   21.086277][  T504]  ? rtnl_link_get_net_capable.constprop.0 (net/core/rtnetlink.c:2728)
[   21.086298][  T504]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2))
[   21.086300][  T504]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[   21.086303][  T504]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554)
[   21.086305][  T504]  ? mark_usage (kernel/locking/lockdep.c:4690)
[   21.086307][  T504]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   21.086312][  T504]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2))
[   21.086313][  T504]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[   21.086315][  T504]  ? rtnl_link_get_net_capable.constprop.0 (net/core/rtnetlink.c:2728)
[   21.086317][  T504]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554)
[   21.086321][  T504]  ? rtnl_link_get_net_capable.constprop.0 (net/core/rtnetlink.c:2728)
[   21.086323][  T504]  rtnetlink_rcv_msg (net/core/rtnetlink.c:7132)
[   21.086326][  T504]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   21.086327][  T504]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   21.086332][  T504]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2))
[   21.086333][  T504]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[   21.086337][  T504]  netlink_rcv_skb (net/netlink/af_netlink.c:2556)
[   21.086339][  T504]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   21.086341][  T504]  ? netlink_ack (./include/linux/skbuff.h:2718)
[   21.086348][  T504]  ? 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))
[   21.086350][  T504]  ? 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))
[   21.086354][  T504]  netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[   21.086358][  T504]  ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[   21.086361][  T504]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[   21.086365][  T504]  netlink_sendmsg (net/netlink/af_netlink.c:1900)
[   21.086369][  T504]  ? netlink_unicast (./include/net/net_namespace.h:422 (discriminator 7))
[   21.086372][  T504]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554)
[   21.086374][  T504]  ? __import_iovec (lib/iov_iter.c:1358 lib/iov_iter.c:1373)
[   21.086379][  T504]  __sock_sendmsg (net/socket.c:800 (discriminator 4) net/socket.c:815 (discriminator 4))
[   21.086383][  T504]  ____sys_sendmsg (net/socket.c:2713)
[   21.086386][  T504]  ? copy_msghdr_from_user (net/socket.c:2650)
[   21.086388][  T504]  ? sock_write_iter (net/socket.c:1269)
[   21.086389][  T504]  ? move_addr_to_kernel (net/socket.c:258)
[   21.086396][  T504]  ___sys_sendmsg (net/socket.c:2767)
[   21.086399][  T504]  ? copy_msghdr_from_user (net/socket.c:2619)
[   21.086415][  T504]  __sys_sendmsg (net/socket.c:2799)
[   21.086418][  T504]  ? __sys_sendmsg_sock (net/socket.c:2780)
[   21.086424][  T504]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   21.086427][  T504]  do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84)
[   21.086430][  T504]  ? exc_page_fault (arch/x86/mm/fault.c:1489 (discriminator 3) arch/x86/mm/fault.c:1536 (discriminator 3))
[   21.086433][  T504]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[   21.086435][  T504] RIP: 0033:0x7f49453ba54e
[   21.086438][  T504] 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
[   21.086440][  T504] RSP: 002b:00007ffc8608a700 EFLAGS: 00000202 ORIG_RAX: 000000000000002e
[   21.086442][  T504] RAX: ffffffffffffffda RBX: 0000000000000002 RCX: 00007f49453ba54e
[   21.086443][  T504] RDX: 0000000000000000 RSI: 00007ffc8608a7b0 RDI: 0000000000000005
[   21.086444][  T504] RBP: 00007ffc8608a710 R08: 0000000000000000 R09: 0000000000000000
[   21.086445][  T504] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a9146ca
[   21.086446][  T504] R13: 00000000004a1620 R14: 0000000000000000 R15: 00007ffc8608ae70
| [   23.871410][  T591] softirqs last disabled at (23900): __alloc_skb (./include/linux/bottom_half.h:20 (discriminator 2) net/core/skbuff.c:697 (discriminator 2))
| [   23.871412][  T591] Preemption disabled at:
| [   23.871413][  T591] vprintk_emit (kernel/printk/printk.c:2471)
| [   23.871421][  T591] Tainted: [W]=WARN
[   23.871422][  T591] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   23.871424][  T591] Call Trace:
[   23.871425][  T591]  <TASK>
[   23.871427][  T591]  dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120)
[   23.871433][  T591]  ? vprintk_emit (kernel/printk/printk.c:2471)
[   23.871434][  T591]  __might_resched.cold (kernel/sched/core.c:9234)
[   23.871439][  T591]  ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3))
[   23.871443][  T591]  ? __kmalloc_noprof (./include/linux/sched/mm.h:317 mm/slub.c:4636 mm/slub.c:4974 mm/slub.c:5413 mm/slub.c:5439)
[   23.871448][  T591]  __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))
[   23.871450][  T591]  ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[   23.871456][  T591]  ? 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)
[   23.871459][  T591]  alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[   23.871463][  T591]  put_chars (drivers/char/virtio_console.c:1176)
[   23.871466][  T591]  ? __send_to_port (drivers/char/virtio_console.c:654)
[   23.871468][  T591]  ? validate_chain (kernel/locking/lockdep.c:3817 (discriminator 2) kernel/locking/lockdep.c:3837 (discriminator 2) kernel/locking/lockdep.c:3892 (discriminator 2))
[   23.871474][  T591]  hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2))
[   23.871481][  T591]  ? hvc_write (drivers/tty/hvc/hvc_console.c:501)
[   23.871484][  T591]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   23.871487][  T591]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   23.871491][  T591]  console_emit_next_record (kernel/printk/printk.c:3183)
[   23.871495][  T591]  ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20)
[   23.871497][  T591]  ? 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))
[   23.871501][  T591]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   23.871502][  T591]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   23.871506][  T591]  console_flush_one_record (kernel/printk/printk.c:3268)
[   23.871510][  T591]  ? console_emit_next_record (kernel/printk/printk.c:3150)
[   23.871512][  T591]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   23.871518][  T591]  console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420)
[   23.871521][  T591]  ? console_flush_one_record (kernel/printk/printk.c:3316)
[   23.871522][  T591]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   23.871524][  T591]  ? lock_acquire (./include/linux/srcutree.h:374 ./include/linux/srcu.h:541 ./include/linux/srcu.h:645 ./include/trace/events/lock.h:23 ./include/trace/events/lock.h:23 kernel/locking/lockdep.c:5871)
[   23.871528][  T591]  ? __down_trylock_console_sem (kernel/printk/printk.c:334)
[   23.871530][  T591]  ? vprintk_emit (kernel/printk/printk.c:2478)
[   23.871533][  T591]  vprintk_emit (kernel/printk/printk.c:2479)
[   23.871536][  T591]  ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126))
[   23.871537][  T591]  ? rtnl_newlink (net/core/rtnetlink.c:4215)
[   23.871539][  T591]  ? netlink_rcv_skb (net/netlink/af_netlink.c:2556)
[   23.871542][  T591]  ? netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[   23.871543][  T591]  ? netlink_sendmsg (net/netlink/af_netlink.c:1900)
[   23.871545][  T591]  ? __sock_sendmsg (net/socket.c:800 (discriminator 4) net/socket.c:815 (discriminator 4))
[   23.871548][  T591]  ? ____sys_sendmsg (net/socket.c:2713)
[   23.871549][  T591]  ? ___sys_sendmsg (net/socket.c:2767)
[   23.871553][  T591]  _printk (kernel/printk/printk.c:2504)
[   23.871556][  T591]  ? snapshot_read.cold (user.c:?)
[   23.871561][  T591]  ? netdev_name (./include/linux/netdevice.h:5709 (discriminator 1))
[   23.871564][  T591]  ? __netdev_printk (net/core/dev.c:13148 (discriminator 2))
[   23.871568][  T591]  netdev_info (net/core/dev.c:13195 (discriminator 3))
[   23.871571][  T591]  ? netdev_notice (net/core/dev.c:13194)
[   23.871575][  T591]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   23.871577][  T591]  ? __up_read (kernel/locking/rwsem.c:1397 (discriminator 1))
[   23.871580][  T591]  ? down_write_nested (kernel/locking/rwsem.c:1759)
[   23.871582][  T591]  ? mutex_is_locked (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:3188 kernel/locking/mutex.h:48 kernel/locking/mutex.c:65)
[   23.871584][  T591]  netif_set_allmulti.cold (net/core/dev.c:9731 (discriminator 3))
[   23.871588][  T591]  dev_set_allmulti (net/core/dev_api.c:315)
[   23.871592][  T591]  del_nbp (net/bridge/br_if.c:253 net/bridge/br_if.c:341)
[   23.871599][  T591]  br_del_if (net/bridge/br_if.c:732)
[   23.871601][  T591]  ? rtnl_is_locked (net/core/rtnetlink.c:169)
[   23.871604][  T591]  do_set_master (net/core/rtnetlink.c:3055)
[   23.871607][  T591]  do_setlink.isra.0 (net/core/rtnetlink.c:3273 (discriminator 1))
[   23.871611][  T591]  ? stack_trace_save (kernel/stacktrace.c:122 (discriminator 1))
[   23.871614][  T591]  ? rtnl_link_get_size (net/core/rtnetlink.c:747)
[   23.871615][  T591]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:388 kernel/rcu/update.c:380)
[   23.871618][  T591]  ? stack_depot_save_flags (lib/stackdepot.c:609 (discriminator 2) lib/stackdepot.c:676 (discriminator 2))
[   23.871622][  T591]  ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4116 (discriminator 3) kernel/rcu/tree.c:4108 (discriminator 3))
[   23.871624][  T591]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380)
[   23.871625][  T591]  ? validate_chain (kernel/locking/lockdep.c:3817 (discriminator 2) kernel/locking/lockdep.c:3837 (discriminator 2) kernel/locking/lockdep.c:3892 (discriminator 2))
[   23.871628][  T591]  ? kasan_save_stack (mm/kasan/common.c:58)
[   23.871630][  T591]  ? kasan_save_stack (mm/kasan/common.c:57)
[   23.871632][  T591]  ? kasan_save_track (mm/kasan/common.c:78)
[   23.871633][  T591]  ? __kasan_kmalloc (mm/kasan/common.c:398 mm/kasan/common.c:415)
[   23.871635][  T591]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   23.871637][  T591]  ? snd_ac97_proc_read_main (sound/pci/ac97/ac97_proc.c:320)
[   23.871639][  T591]  ? ___sys_sendmsg (net/socket.c:2758)
[   23.871643][  T591]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2))
[   23.871645][  T591]  ? rtnl_newlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:366 net/core/rtnetlink.c:4214)
[   23.871647][  T591]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   23.871649][  T591]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   23.871651][  T591]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   23.871652][  T591]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   23.871653][  T591]  ? trace_contention_end (./include/trace/events/lock.h:121 (discriminator 22))
[   23.871656][  T591]  ? __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)
[   23.871658][  T591]  ? __mutex_lock (kernel/locking/mutex.c:656 (discriminator 1) kernel/locking/mutex.c:821 (discriminator 1))
[   23.871660][  T591]  ? rtnl_newlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:366 net/core/rtnetlink.c:4214)
[   23.871663][  T591]  ? ww_mutex_lock (kernel/locking/mutex.c:934)
[   23.871665][  T591]  ? nla_get_range_signed (lib/nlattr.c:270)
[   23.871669][  T591]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   23.871672][  T591]  ? __rtnl_newlink (net/core/rtnetlink.c:4063)
[   23.871677][  T591]  rtnl_newlink (net/core/rtnetlink.c:4215)
[   23.871682][  T591]  ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558)
[   23.871684][  T591]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   23.871689][  T591]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2))
[   23.871691][  T591]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[   23.871693][  T591]  ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558)
[   23.871695][  T591]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554)
[   23.871699][  T591]  ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558)
[   23.871701][  T591]  rtnetlink_rcv_msg (net/core/rtnetlink.c:7132)
[   23.871704][  T591]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   23.871705][  T591]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   23.871710][  T591]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2))
[   23.871712][  T591]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[   23.871715][  T591]  netlink_rcv_skb (net/netlink/af_netlink.c:2556)
[   23.871717][  T591]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   23.871720][  T591]  ? netlink_ack (./include/linux/skbuff.h:2718)
[   23.871727][  T591]  ? 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))
[   23.871729][  T591]  ? 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))
[   23.871733][  T591]  netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[   23.871737][  T591]  ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[   23.871740][  T591]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[   23.871744][  T591]  netlink_sendmsg (net/netlink/af_netlink.c:1900)
[   23.871748][  T591]  ? netlink_unicast (./include/net/net_namespace.h:422 (discriminator 7))
[   23.871752][  T591]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554)
[   23.871754][  T591]  ? __import_iovec (lib/iov_iter.c:1358 lib/iov_iter.c:1373)
[   23.871759][  T591]  __sock_sendmsg (net/socket.c:800 (discriminator 4) net/socket.c:815 (discriminator 4))
[   23.871762][  T591]  ____sys_sendmsg (net/socket.c:2713)
[   23.871764][  T591]  ? copy_msghdr_from_user (net/socket.c:2650)
[   23.871766][  T591]  ? sock_write_iter (net/socket.c:1269)
[   23.871768][  T591]  ? move_addr_to_kernel (net/socket.c:258)
[   23.871775][  T591]  ___sys_sendmsg (net/socket.c:2767)
[   23.871778][  T591]  ? copy_msghdr_from_user (net/socket.c:2619)
[   23.871794][  T591]  __sys_sendmsg (net/socket.c:2799)
[   23.871797][  T591]  ? __sys_sendmsg_sock (net/socket.c:2780)
[   23.871803][  T591]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   23.871806][  T591]  do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84)
[   23.871809][  T591]  ? exc_page_fault (arch/x86/mm/fault.c:1489 (discriminator 3) arch/x86/mm/fault.c:1536 (discriminator 3))
[   23.871812][  T591]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[   23.871815][  T591] RIP: 0033:0x7fac01e4c54e
[   23.871819][  T591] 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
[   23.871820][  T591] RSP: 002b:00007fff8bb53880 EFLAGS: 00000202 ORIG_RAX: 000000000000002e
[   23.871823][  T591] RAX: ffffffffffffffda RBX: 0000000000000003 RCX: 00007fac01e4c54e
[   23.871824][  T591] RDX: 0000000000000000 RSI: 00007fff8bb53930 RDI: 0000000000000005
[   23.871825][  T591] RBP: 00007fff8bb53890 R08: 0000000000000000 R09: 0000000000000000
[   23.871826][  T591] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a9146cd


Finger prints:
dev_mc_unsync:vprintk_emit:dump_stack_lvl:__kmalloc_noprof:put_chars
netlink_release:dump_stack_lvl:__kmalloc_noprof:put_chars:hvc_console_print
__alloc_skb:vprintk_emit:dump_stack_lvl:__kmalloc_noprof:put_chars