======================================
| [  122.843039][ T3715] softirqs last disabled at (41473): __irq_exit_rcu (kernel/softirq.c:679 kernel/softirq.c:519 kernel/softirq.c:767)
| [  122.843041][ T3715] Preemption disabled at:
| [  122.843042][ T3715] 0x0
| [  122.843053][ T3715] Tainted: [W]=WARN
[  122.843054][ T3715] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[  122.843055][ T3715] Call Trace:
[  122.843057][ T3715]  <TASK>
[  122.843058][ T3715]  dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120)
[  122.843065][ T3715]  __might_resched.cold (kernel/sched/core.c:9234)
[  122.843069][ T3715]  ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3))
[  122.843074][ T3715]  ? __kmalloc_noprof (./include/linux/sched/mm.h:317 mm/slub.c:4636 mm/slub.c:4974 mm/slub.c:5413 mm/slub.c:5439)
[  122.843078][ T3715]  __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))
[  122.843080][ T3715]  ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[  122.843087][ T3715]  ? 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)
[  122.843090][ T3715]  alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[  122.843094][ T3715]  put_chars (drivers/char/virtio_console.c:1176)
[  122.843096][ T3715]  ? __send_to_port (drivers/char/virtio_console.c:654)
[  122.843097][ T3715]  ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4116 (discriminator 3) kernel/rcu/tree.c:4108 (discriminator 3))
[  122.843101][ T3715]  ? validate_chain (kernel/locking/lockdep.c:3817 (discriminator 2) kernel/locking/lockdep.c:3837 (discriminator 2) kernel/locking/lockdep.c:3892 (discriminator 2))
[  122.843106][ T3715]  hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2))
[  122.843114][ T3715]  ? hvc_write (drivers/tty/hvc/hvc_console.c:501)
[  122.843117][ T3715]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  122.843119][ T3715]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  122.843123][ T3715]  console_emit_next_record (kernel/printk/printk.c:3183)
[  122.843127][ T3715]  ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20)
[  122.843129][ T3715]  ? 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))
[  122.843132][ T3715]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  122.843133][ T3715]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  122.843137][ T3715]  console_flush_one_record (kernel/printk/printk.c:3268)
[  122.843141][ T3715]  ? console_emit_next_record (kernel/printk/printk.c:3150)
[  122.843143][ T3715]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[  122.843148][ T3715]  console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420)
[  122.843151][ T3715]  ? console_flush_one_record (kernel/printk/printk.c:3316)
[  122.843153][ T3715]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  122.843155][ T3715]  ? 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)
[  122.843158][ T3715]  ? __down_trylock_console_sem (kernel/printk/printk.c:334)
[  122.843160][ T3715]  ? vprintk_emit (kernel/printk/printk.c:2478)
[  122.843163][ T3715]  vprintk_emit (kernel/printk/printk.c:2479)
[  122.843166][ T3715]  ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126))
[  122.843169][ T3715]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[  122.843172][ T3715]  _printk (kernel/printk/printk.c:2504)
[  122.843176][ T3715]  ? snapshot_read.cold (user.c:?)
[  122.843179][ T3715]  ? 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)
[  122.843182][ T3715]  ? __rwlock_init (kernel/locking/spinlock_debug.c:48)
[  122.843185][ T3715]  ? 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)
[  122.843188][ T3715]  do_exit.cold (kernel/exit.c:889 (discriminator 4) kernel/exit.c:1043 (discriminator 4))
[  122.843192][ T3715]  ? exit_notify (kernel/exit.c:780)
[  122.843193][ T3715]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554)
[  122.843196][ T3715]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  122.843199][ T3715]  do_group_exit (kernel/exit.c:1151)
[  122.843202][ T3715]  __x64_sys_exit_group (kernel/exit.c:1162 kernel/exit.c:1160 kernel/exit.c:1160)
[  122.843204][ T3715]  x64_sys_call (./arch/x86/include/generated/asm/syscalls_64.h:232)
[  122.843206][ T3715]  do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84)
[  122.843210][ T3715]  ? exc_page_fault (arch/x86/mm/fault.c:1489 (discriminator 3) arch/x86/mm/fault.c:1536 (discriminator 3))
[  122.843213][ T3715]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[  122.843215][ T3715] RIP: 0033:0x7f1a7aef71b8
[  122.843217][ T3715] Code: Unable to access opcode bytes at 0x7f1a7aef718e.

Code starting with the faulting instruction
===========================================
[  122.843218][ T3715] RSP: 002b:00007ffd9f6dc188 EFLAGS: 00000246 ORIG_RAX: 00000000000000e7
[  122.843221][ T3715] RAX: ffffffffffffffda RBX: 00007f1a7b027f88 RCX: 00007f1a7aef71b8
[  122.843222][ T3715] RDX: 00007f1a7ac887c8 RSI: ffffffffffffffb0 RDI: 0000000000000000
[  122.843223][ T3715] RBP: 00007ffd9f6dc1e0 R08: 0000000000000000 R09: 0000000000001010
[  122.843224][ T3715] R10: 00007ffd9f6dc000 R11: 0000000000000246 R12: 0000000000000002
[  122.843225][ T3715] R13: 0000000000000000 R14: 00007f1a7b026680 R15: 00007f1a7b027fa0
| [  132.113717][ T4015] softirqs last disabled at (37936): __alloc_skb (./include/linux/bottom_half.h:20 (discriminator 2) net/core/skbuff.c:697 (discriminator 2))
| [  132.113719][ T4015] Preemption disabled at:
| [  132.113720][ T4015] vprintk_emit (kernel/printk/printk.c:2471)
| [  132.113729][ T4015] Tainted: [W]=WARN
[  132.113730][ T4015] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[  132.113731][ T4015] Call Trace:
[  132.113733][ T4015]  <TASK>
[  132.113735][ T4015]  dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120)
[  132.113741][ T4015]  ? vprintk_emit (kernel/printk/printk.c:2471)
[  132.113742][ T4015]  __might_resched.cold (kernel/sched/core.c:9234)
[  132.113747][ T4015]  ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3))
[  132.113753][ T4015]  ? __kmalloc_noprof (./include/linux/sched/mm.h:317 mm/slub.c:4636 mm/slub.c:4974 mm/slub.c:5413 mm/slub.c:5439)
[  132.113758][ T4015]  __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))
[  132.113760][ T4015]  ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[  132.113766][ T4015]  ? 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)
[  132.113769][ T4015]  alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[  132.113773][ T4015]  put_chars (drivers/char/virtio_console.c:1176)
[  132.113775][ T4015]  ? __send_to_port (drivers/char/virtio_console.c:654)
[  132.113785][ T4015]  ? validate_chain (kernel/locking/lockdep.c:159 kernel/locking/lockdep.c:191 kernel/locking/lockdep.c:3928)
[  132.113794][ T4015]  hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2))
[  132.113803][ T4015]  ? hvc_write (drivers/tty/hvc/hvc_console.c:501)
[  132.113806][ T4015]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  132.113809][ T4015]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  132.113815][ T4015]  console_emit_next_record (kernel/printk/printk.c:3183)
[  132.113821][ T4015]  ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20)
[  132.113823][ T4015]  ? 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))
[  132.113826][ T4015]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  132.113828][ T4015]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  132.113832][ T4015]  console_flush_one_record (kernel/printk/printk.c:3268)
[  132.113836][ T4015]  ? console_emit_next_record (kernel/printk/printk.c:3150)
[  132.113838][ T4015]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[  132.113843][ T4015]  console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420)
[  132.113846][ T4015]  ? console_flush_one_record (kernel/printk/printk.c:3316)
[  132.113848][ T4015]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  132.113849][ T4015]  ? 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)
[  132.113853][ T4015]  ? __down_trylock_console_sem (kernel/printk/printk.c:334)
[  132.113855][ T4015]  ? vprintk_emit (kernel/printk/printk.c:2478)
[  132.113858][ T4015]  vprintk_emit (kernel/printk/printk.c:2479)
[  132.113860][ T4015]  ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126))
[  132.113862][ T4015]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554)
[  132.113864][ T4015]  ? _raw_spin_unlock_irqrestore (./include/linux/spinlock_api_smp.h:211 (discriminator 1) kernel/locking/spinlock.c:221 (discriminator 1))
[  132.113869][ T4015]  ? mark_held_locks (kernel/locking/lockdep.c:4341)
[  132.113872][ T4015]  _printk (kernel/printk/printk.c:2504)
[  132.113876][ T4015]  ? snapshot_read.cold (user.c:?)
[  132.113880][ T4015]  ? br_multicast_flood (??:?)
[  132.113884][ T4015]  ? do_setlink.isra.0 (net/core/rtnetlink.c:3273 (discriminator 1))
[  132.113886][ T4015]  ? rtnl_newlink (net/core/rtnetlink.c:4215)
[  132.113888][ T4015]  ? rtnetlink_rcv_msg (net/core/rtnetlink.c:7132)
[  132.113893][ T4015]  br_set_state (net/bridge/br_stp.c:57 (discriminator 2))
[  132.113897][ T4015]  br_init_port (net/bridge/br_stp_if.c:39)
[  132.113901][ T4015]  new_nbp (net/bridge/br_if.c:449)
[  132.113906][ T4015]  br_add_if (net/bridge/br_if.c:592)
[  132.113908][ T4015]  ? is_bpf_text_address (./include/linux/rcupdate.h:882 kernel/bpf/core.c:751)
[  132.113912][ T4015]  ? kernel_text_address (kernel/extable.c:125 kernel/extable.c:94)
[  132.113917][ T4015]  do_set_master (net/core/rtnetlink.c:3071)
[  132.113921][ T4015]  do_setlink.isra.0 (net/core/rtnetlink.c:3273 (discriminator 1))
[  132.113925][ T4015]  ? stack_trace_save (kernel/stacktrace.c:122 (discriminator 1))
[  132.113929][ T4015]  ? rtnl_link_get_size (net/core/rtnetlink.c:747)
[  132.113932][ T4015]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:388 kernel/rcu/update.c:380)
[  132.113935][ T4015]  ? stack_depot_save_flags (lib/stackdepot.c:609 (discriminator 2) lib/stackdepot.c:676 (discriminator 2))
[  132.113938][ T4015]  ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4116 (discriminator 3) kernel/rcu/tree.c:4108 (discriminator 3))
[  132.113941][ T4015]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380)
[  132.113942][ T4015]  ? validate_chain (kernel/locking/lockdep.c:3817 (discriminator 2) kernel/locking/lockdep.c:3837 (discriminator 2) kernel/locking/lockdep.c:3892 (discriminator 2))
[  132.113945][ T4015]  ? kasan_save_stack (mm/kasan/common.c:58)
[  132.113947][ T4015]  ? kasan_save_stack (mm/kasan/common.c:57)
[  132.113948][ T4015]  ? kasan_save_track (mm/kasan/common.c:78)
[  132.113950][ T4015]  ? __kasan_kmalloc (mm/kasan/common.c:398 mm/kasan/common.c:415)
[  132.113952][ T4015]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[  132.113954][ T4015]  ? snd_ac97_proc_read_main (sound/pci/ac97/ac97_proc.c:320)
[  132.113957][ T4015]  ? ___sys_sendmsg (net/socket.c:2758)
[  132.113960][ T4015]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2))
[  132.113962][ T4015]  ? rtnl_newlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:366 net/core/rtnetlink.c:4214)
[  132.113965][ T4015]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  132.113967][ T4015]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  132.113968][ T4015]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  132.113969][ T4015]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  132.113971][ T4015]  ? trace_contention_end (./include/trace/events/lock.h:121 (discriminator 22))
[  132.113975][ T4015]  ? __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)
[  132.113977][ T4015]  ? __mutex_lock (kernel/locking/mutex.c:656 (discriminator 1) kernel/locking/mutex.c:821 (discriminator 1))
[  132.113980][ T4015]  ? rtnl_newlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:366 net/core/rtnetlink.c:4214)
[  132.113984][ T4015]  ? ww_mutex_lock (kernel/locking/mutex.c:934)
[  132.113985][ T4015]  ? nla_get_range_signed (lib/nlattr.c:270)
[  132.113990][ T4015]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  132.113992][ T4015]  ? __rtnl_newlink (net/core/rtnetlink.c:4063)
[  132.113997][ T4015]  rtnl_newlink (net/core/rtnetlink.c:4215)
[  132.114002][ T4015]  ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558)
[  132.114004][ T4015]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[  132.114009][ T4015]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2))
[  132.114011][ T4015]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[  132.114013][ T4015]  ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558)
[  132.114015][ T4015]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554)
[  132.114018][ T4015]  ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558)
[  132.114020][ T4015]  rtnetlink_rcv_msg (net/core/rtnetlink.c:7132)
[  132.114023][ T4015]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[  132.114025][ T4015]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[  132.114029][ T4015]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2))
[  132.114031][ T4015]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[  132.114034][ T4015]  netlink_rcv_skb (net/netlink/af_netlink.c:2556)
[  132.114037][ T4015]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[  132.114040][ T4015]  ? netlink_ack (./include/linux/skbuff.h:2718)
[  132.114046][ T4015]  ? 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))
[  132.114048][ T4015]  ? 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))
[  132.114053][ T4015]  netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[  132.114057][ T4015]  ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[  132.114059][ T4015]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[  132.114063][ T4015]  netlink_sendmsg (net/netlink/af_netlink.c:1900)
[  132.114067][ T4015]  ? netlink_unicast (./include/net/net_namespace.h:422 (discriminator 7))
[  132.114071][ T4015]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554)
[  132.114073][ T4015]  ? __import_iovec (lib/iov_iter.c:1358 lib/iov_iter.c:1373)
[  132.114078][ T4015]  __sock_sendmsg (net/socket.c:800 (discriminator 4) net/socket.c:815 (discriminator 4))
[  132.114081][ T4015]  ____sys_sendmsg (net/socket.c:2713)
[  132.114084][ T4015]  ? copy_msghdr_from_user (net/socket.c:2650)
[  132.114086][ T4015]  ? sock_write_iter (net/socket.c:1269)
[  132.114088][ T4015]  ? move_addr_to_kernel (net/socket.c:258)
[  132.114095][ T4015]  ___sys_sendmsg (net/socket.c:2767)
[  132.114098][ T4015]  ? copy_msghdr_from_user (net/socket.c:2619)
[  132.114113][ T4015]  __sys_sendmsg (net/socket.c:2799)
[  132.114116][ T4015]  ? __sys_sendmsg_sock (net/socket.c:2780)
[  132.114122][ T4015]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  132.114125][ T4015]  do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84)
[  132.114128][ T4015]  ? exc_page_fault (arch/x86/mm/fault.c:1489 (discriminator 3) arch/x86/mm/fault.c:1536 (discriminator 3))
[  132.114130][ T4015]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[  132.114133][ T4015] RIP: 0033:0x7f4165a5054e
[  132.114136][ T4015] 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
[  132.114138][ T4015] RSP: 002b:00007fffe7447f00 EFLAGS: 00000202 ORIG_RAX: 000000000000002e
[  132.114141][ T4015] RAX: ffffffffffffffda RBX: 0000000000000003 RCX: 00007f4165a5054e
[  132.114142][ T4015] RDX: 0000000000000000 RSI: 00007fffe7447fb0 RDI: 0000000000000005
[  132.114143][ T4015] RBP: 00007fffe7447f10 R08: 0000000000000000 R09: 0000000000000000
[  132.114144][ T4015] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a90fc70
[  132.114145][ T4015] R13: 00000000004a1620 R14: 0000000000000000 R15: 00007fffe7448670
| [  136.484508][   T12] softirqs last disabled at (4291612): vxlan_flush (./include/linux/spinlock.h:353 drivers/net/vxlan/vxlan_core.c:3094) vxlan
| [  136.484513][   T12] Preemption disabled at:
| [  136.484513][   T12] vprintk_emit (kernel/printk/printk.c:2471)
| [  136.484522][   T12] Tainted: [W]=WARN
[  136.484523][   T12] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[  136.484525][   T12] Workqueue: netns cleanup_net
[  136.484528][   T12] Call Trace:
[  136.484529][   T12]  <TASK>
[  136.484531][   T12]  dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120)
[  136.484537][   T12]  ? vprintk_emit (kernel/printk/printk.c:2471)
[  136.484539][   T12]  __might_resched.cold (kernel/sched/core.c:9234)
[  136.484543][   T12]  ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3))
[  136.484548][   T12]  ? __kmalloc_noprof (./include/linux/sched/mm.h:317 mm/slub.c:4636 mm/slub.c:4974 mm/slub.c:5413 mm/slub.c:5439)
[  136.484553][   T12]  __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))
[  136.484555][   T12]  ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[  136.484561][   T12]  ? 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)
[  136.484564][   T12]  alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[  136.484568][   T12]  put_chars (drivers/char/virtio_console.c:1176)
[  136.484571][   T12]  ? __send_to_port (drivers/char/virtio_console.c:654)
[  136.484574][   T12]  ? validate_chain (kernel/locking/lockdep.c:159 kernel/locking/lockdep.c:191 kernel/locking/lockdep.c:3928)
[  136.484579][   T12]  hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2))
[  136.484583][   T12]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[  136.484589][   T12]  ? hvc_write (drivers/tty/hvc/hvc_console.c:501)
[  136.484592][   T12]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  136.484598][   T12]  console_emit_next_record (kernel/printk/printk.c:3183)
[  136.484602][   T12]  ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20)
[  136.484604][   T12]  ? 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))
[  136.484607][   T12]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  136.484609][   T12]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  136.484613][   T12]  console_flush_one_record (kernel/printk/printk.c:3268)
[  136.484618][   T12]  ? console_emit_next_record (kernel/printk/printk.c:3150)
[  136.484620][   T12]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[  136.484626][   T12]  console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420)
[  136.484628][   T12]  ? console_flush_one_record (kernel/printk/printk.c:3316)
[  136.484630][   T12]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  136.484632][   T12]  ? 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)
[  136.484636][   T12]  ? __down_trylock_console_sem (kernel/printk/printk.c:334)
[  136.484638][   T12]  ? vprintk_emit (kernel/printk/printk.c:2478)
[  136.484641][   T12]  vprintk_emit (kernel/printk/printk.c:2479)
[  136.484644][   T12]  ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126))
[  136.484645][   T12]  ? cleanup_net (net/core/net_namespace.c:706)
[  136.484647][   T12]  ? worker_thread (kernel/workqueue.c:3470 kernel/workqueue.c:3551)
[  136.484649][   T12]  ? kthread (kernel/kthread.c:436)
[  136.484651][   T12]  ? ret_from_fork (arch/x86/kernel/process.c:158)
[  136.484655][   T12]  ? ret_from_fork_asm (arch/x86/entry/entry_64.S:245)
[  136.484660][   T12]  _printk (kernel/printk/printk.c:2504)
[  136.484664][   T12]  ? snapshot_read.cold (user.c:?)
[  136.484668][   T12]  ? netdev_name (./include/linux/netdevice.h:5709 (discriminator 1))
[  136.484672][   T12]  ? __netdev_printk (net/core/dev.c:13148 (discriminator 2))
[  136.484676][   T12]  netdev_info (net/core/dev.c:13195 (discriminator 3))
[  136.484679][   T12]  ? netdev_notice (net/core/dev.c:13194)
[  136.484684][   T12]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  136.484685][   T12]  ? __up_read (kernel/locking/rwsem.c:1397 (discriminator 1))
[  136.484688][   T12]  ? down_write_nested (kernel/locking/rwsem.c:1759)
[  136.484690][   T12]  ? 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)
[  136.484692][   T12]  netif_set_allmulti.cold (net/core/dev.c:9731 (discriminator 3))
[  136.484697][   T12]  dev_set_allmulti (net/core/dev_api.c:315)
[  136.484700][   T12]  del_nbp (net/bridge/br_if.c:253 net/bridge/br_if.c:341)
[  136.484707][   T12]  br_dev_delete (net/bridge/br_if.c:387)
[  136.484711][   T12]  br_net_exit_rtnl (net/bridge/br.c:414)
[  136.484714][   T12]  ops_undo_list (net/core/net_namespace.c:181 net/core/net_namespace.c:249)
[  136.484718][   T12]  ? lockdep_hardirqs_on (kernel/locking/lockdep.c:4488)
[  136.484722][   T12]  ? netns_install (./include/linux/ns_common.h:26)
[  136.484724][   T12]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554)
[  136.484727][   T12]  ? idr_destroy (lib/radix-tree.c:310 lib/radix-tree.c:674 lib/radix-tree.c:1563)
[  136.484732][   T12]  cleanup_net (net/core/net_namespace.c:706)
[  136.484735][   T12]  ? net_passive_dec (./include/linux/llist.h:241)
[  136.484739][   T12]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  136.484741][   T12]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  136.484745][   T12]  process_one_work (kernel/workqueue.c:3387)
[  136.484752][   T12]  ? __queue_delayed_work (kernel/workqueue.c:2622)
[  136.484756][   T12]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2))
[  136.484771][   T12]  worker_thread (kernel/workqueue.c:3470 kernel/workqueue.c:3551)
[  136.484778][   T12]  ? rescuer_thread (./include/linux/list.h:419 (discriminator 3))
[  136.484780][   T12]  kthread (kernel/kthread.c:436)
[  136.484782][   T12]  ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22))
[  136.484786][   T12]  ? kthread_affine_preferred (kernel/kthread.c:857)
[  136.484789][   T12]  ret_from_fork (arch/x86/kernel/process.c:158)
[  136.484792][   T12]  ? arch_exit_to_user_mode_prepare.isra.0 (arch/x86/entry/vdso/vma.c:80 (discriminator 1))
[  136.484795][   T12]  ? __switch_to (arch/x86/kernel/process_64.c:403 arch/x86/kernel/process_64.c:663)
[  136.484799][   T12]  ? kthread_affine_preferred (kernel/kthread.c:857)
[  136.484802][   T12]  ret_from_fork_asm (arch/x86/entry/entry_64.S:245)
| [  140.607026][ T4230] softirqs last disabled at (31190): __alloc_skb (./include/linux/bottom_half.h:20 (discriminator 2) net/core/skbuff.c:697 (discriminator 2))
| [  140.607029][ T4230] Preemption disabled at:
| [  140.607030][ T4230] vprintk_emit (kernel/printk/printk.c:2471)
| [  140.607038][ T4230] Tainted: [W]=WARN
[  140.607039][ T4230] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[  140.607041][ T4230] Call Trace:
[  140.607042][ T4230]  <TASK>
[  140.607044][ T4230]  dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120)
[  140.607050][ T4230]  ? vprintk_emit (kernel/printk/printk.c:2471)
[  140.607051][ T4230]  __might_resched.cold (kernel/sched/core.c:9234)
[  140.607056][ T4230]  ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3))
[  140.607060][ T4230]  ? __kmalloc_noprof (./include/linux/sched/mm.h:317 mm/slub.c:4636 mm/slub.c:4974 mm/slub.c:5413 mm/slub.c:5439)
[  140.607064][ T4230]  __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))
[  140.607066][ T4230]  ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[  140.607072][ T4230]  ? 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)
[  140.607075][ T4230]  alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[  140.607079][ T4230]  put_chars (drivers/char/virtio_console.c:1176)
[  140.607081][ T4230]  ? __send_to_port (drivers/char/virtio_console.c:654)
[  140.607082][ T4230]  ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4116 (discriminator 3) kernel/rcu/tree.c:4108 (discriminator 3))
[  140.607086][ T4230]  ? validate_chain (kernel/locking/lockdep.c:3817 (discriminator 2) kernel/locking/lockdep.c:3837 (discriminator 2) kernel/locking/lockdep.c:3892 (discriminator 2))
[  140.607092][ T4230]  hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2))
[  140.607099][ T4230]  ? hvc_write (drivers/tty/hvc/hvc_console.c:501)
[  140.607102][ T4230]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  140.607104][ T4230]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  140.607108][ T4230]  console_emit_next_record (kernel/printk/printk.c:3183)
[  140.607112][ T4230]  ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20)
[  140.607114][ T4230]  ? 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))
[  140.607117][ T4230]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  140.607119][ T4230]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  140.607123][ T4230]  console_flush_one_record (kernel/printk/printk.c:3268)
[  140.607127][ T4230]  ? console_emit_next_record (kernel/printk/printk.c:3150)
[  140.607129][ T4230]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[  140.607134][ T4230]  console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420)
[  140.607137][ T4230]  ? console_flush_one_record (kernel/printk/printk.c:3316)
[  140.607139][ T4230]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  140.607140][ T4230]  ? 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)
[  140.607144][ T4230]  ? __down_trylock_console_sem (kernel/printk/printk.c:334)
[  140.607146][ T4230]  ? vprintk_emit (kernel/printk/printk.c:2478)
[  140.607149][ T4230]  vprintk_emit (kernel/printk/printk.c:2479)
[  140.607152][ T4230]  ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126))
[  140.607153][ T4230]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554)
[  140.607156][ T4230]  ? mark_held_locks (kernel/locking/lockdep.c:4341)
[  140.607160][ T4230]  _printk (kernel/printk/printk.c:2504)
[  140.607163][ T4230]  ? snapshot_read.cold (user.c:?)
[  140.607167][ T4230]  ? br_multicast_flood (??:?)
[  140.607170][ T4230]  ? do_setlink.isra.0 (net/core/rtnetlink.c:3273 (discriminator 1))
[  140.607171][ T4230]  ? rtnl_newlink (net/core/rtnetlink.c:4215)
[  140.607173][ T4230]  ? rtnetlink_rcv_msg (net/core/rtnetlink.c:7132)
[  140.607177][ T4230]  br_set_state (net/bridge/br_stp.c:57 (discriminator 2))
[  140.607181][ T4230]  br_init_port (net/bridge/br_stp_if.c:39)
[  140.607184][ T4230]  new_nbp (net/bridge/br_if.c:449)
[  140.607187][ T4230]  br_add_if (net/bridge/br_if.c:592)
[  140.607190][ T4230]  ? is_bpf_text_address (./include/linux/rcupdate.h:882 kernel/bpf/core.c:751)
[  140.607194][ T4230]  ? kernel_text_address (kernel/extable.c:125 kernel/extable.c:94)
[  140.607199][ T4230]  do_set_master (net/core/rtnetlink.c:3071)
[  140.607202][ T4230]  do_setlink.isra.0 (net/core/rtnetlink.c:3273 (discriminator 1))
[  140.607206][ T4230]  ? stack_trace_save (kernel/stacktrace.c:122 (discriminator 1))
[  140.607209][ T4230]  ? rtnl_link_get_size (net/core/rtnetlink.c:747)
[  140.607210][ T4230]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:388 kernel/rcu/update.c:380)
[  140.607213][ T4230]  ? stack_depot_save_flags (lib/stackdepot.c:609 (discriminator 2) lib/stackdepot.c:676 (discriminator 2))
[  140.607216][ T4230]  ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4116 (discriminator 3) kernel/rcu/tree.c:4108 (discriminator 3))
[  140.607218][ T4230]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380)
[  140.607220][ T4230]  ? validate_chain (kernel/locking/lockdep.c:3817 (discriminator 2) kernel/locking/lockdep.c:3837 (discriminator 2) kernel/locking/lockdep.c:3892 (discriminator 2))
[  140.607222][ T4230]  ? kasan_save_stack (mm/kasan/common.c:58)
[  140.607225][ T4230]  ? kasan_save_stack (mm/kasan/common.c:57)
[  140.607226][ T4230]  ? kasan_save_track (mm/kasan/common.c:78)
[  140.607227][ T4230]  ? __kasan_kmalloc (mm/kasan/common.c:398 mm/kasan/common.c:415)
[  140.607230][ T4230]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[  140.607232][ T4230]  ? snd_ac97_proc_read_main (sound/pci/ac97/ac97_proc.c:320)
[  140.607234][ T4230]  ? ___sys_sendmsg (net/socket.c:2758)
[  140.607238][ T4230]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2))
[  140.607240][ T4230]  ? rtnl_newlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:366 net/core/rtnetlink.c:4214)
[  140.607243][ T4230]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  140.607245][ T4230]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  140.607246][ T4230]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  140.607247][ T4230]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  140.607249][ T4230]  ? trace_contention_end (./include/trace/events/lock.h:121 (discriminator 22))
[  140.607251][ T4230]  ? __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)
[  140.607254][ T4230]  ? __mutex_lock (kernel/locking/mutex.c:656 (discriminator 1) kernel/locking/mutex.c:821 (discriminator 1))
[  140.607256][ T4230]  ? rtnl_newlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:366 net/core/rtnetlink.c:4214)
[  140.607259][ T4230]  ? ww_mutex_lock (kernel/locking/mutex.c:934)
[  140.607260][ T4230]  ? nla_get_range_signed (lib/nlattr.c:270)
[  140.607265][ T4230]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  140.607267][ T4230]  ? __rtnl_newlink (net/core/rtnetlink.c:4063)
[  140.607272][ T4230]  rtnl_newlink (net/core/rtnetlink.c:4215)
[  140.607277][ T4230]  ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558)
[  140.607279][ T4230]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[  140.607284][ T4230]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2))
[  140.607286][ T4230]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[  140.607288][ T4230]  ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558)
[  140.607290][ T4230]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554)
[  140.607293][ T4230]  ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558)
[  140.607295][ T4230]  rtnetlink_rcv_msg (net/core/rtnetlink.c:7132)
[  140.607298][ T4230]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[  140.607300][ T4230]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[  140.607304][ T4230]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2))
[  140.607306][ T4230]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[  140.607309][ T4230]  netlink_rcv_skb (net/netlink/af_netlink.c:2556)
[  140.607313][ T4230]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[  140.607316][ T4230]  ? netlink_ack (./include/linux/skbuff.h:2718)
[  140.607322][ T4230]  ? 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))
[  140.607324][ T4230]  ? 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))
[  140.607329][ T4230]  netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[  140.607333][ T4230]  ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[  140.607335][ T4230]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[  140.607339][ T4230]  netlink_sendmsg (net/netlink/af_netlink.c:1900)
[  140.607343][ T4230]  ? netlink_unicast (./include/net/net_namespace.h:422 (discriminator 7))
[  140.607347][ T4230]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554)
[  140.607349][ T4230]  ? __import_iovec (lib/iov_iter.c:1358 lib/iov_iter.c:1373)
[  140.607354][ T4230]  __sock_sendmsg (net/socket.c:800 (discriminator 4) net/socket.c:815 (discriminator 4))
[  140.607357][ T4230]  ____sys_sendmsg (net/socket.c:2713)
[  140.607359][ T4230]  ? copy_msghdr_from_user (net/socket.c:2650)
[  140.607361][ T4230]  ? sock_write_iter (net/socket.c:1269)
[  140.607363][ T4230]  ? move_addr_to_kernel (net/socket.c:258)
[  140.607370][ T4230]  ___sys_sendmsg (net/socket.c:2767)
[  140.607373][ T4230]  ? copy_msghdr_from_user (net/socket.c:2619)
[  140.607388][ T4230]  __sys_sendmsg (net/socket.c:2799)
[  140.607391][ T4230]  ? __sys_sendmsg_sock (net/socket.c:2780)
[  140.607397][ T4230]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  140.607400][ T4230]  do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84)
[  140.607403][ T4230]  ? exc_page_fault (arch/x86/mm/fault.c:1489 (discriminator 3) arch/x86/mm/fault.c:1536 (discriminator 3))
[  140.607406][ T4230]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[  140.607408][ T4230] RIP: 0033:0x7fc2451cd54e
[  140.607412][ T4230] 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
[  140.607414][ T4230] RSP: 002b:00007ffef6450e70 EFLAGS: 00000202 ORIG_RAX: 000000000000002e
[  140.607417][ T4230] RAX: ffffffffffffffda RBX: 0000000000000003 RCX: 00007fc2451cd54e
[  140.607418][ T4230] RDX: 0000000000000000 RSI: 00007ffef6450f20 RDI: 0000000000000005
[  140.607419][ T4230] RBP: 00007ffef6450e80 R08: 0000000000000000 R09: 0000000000000000
[  140.607420][ T4230] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a90fc78
[  140.607421][ T4230] R13: 00000000004a1620 R14: 0000000000000000 R15: 00007ffef64515e0
| [  144.939568][   T12] softirqs last disabled at (4533614): vxlan_flush (./include/linux/spinlock.h:353 drivers/net/vxlan/vxlan_core.c:3094) vxlan
| [  144.939573][   T12] Preemption disabled at:
| [  144.939573][   T12] vprintk_emit (kernel/printk/printk.c:2471)
| [  144.939582][   T12] Tainted: [W]=WARN
[  144.939583][   T12] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[  144.939585][   T12] Workqueue: netns cleanup_net
[  144.939588][   T12] Call Trace:
[  144.939590][   T12]  <TASK>
[  144.939591][   T12]  dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120)
[  144.939597][   T12]  ? vprintk_emit (kernel/printk/printk.c:2471)
[  144.939599][   T12]  __might_resched.cold (kernel/sched/core.c:9234)
[  144.939604][   T12]  ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3))
[  144.939608][   T12]  ? __kmalloc_noprof (./include/linux/sched/mm.h:317 mm/slub.c:4636 mm/slub.c:4974 mm/slub.c:5413 mm/slub.c:5439)
[  144.939613][   T12]  __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))
[  144.939615][   T12]  ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[  144.939622][   T12]  ? 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)
[  144.939625][   T12]  alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[  144.939629][   T12]  put_chars (drivers/char/virtio_console.c:1176)
[  144.939631][   T12]  ? __send_to_port (drivers/char/virtio_console.c:654)
[  144.939632][   T12]  ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4116 (discriminator 3) kernel/rcu/tree.c:4108 (discriminator 3))
[  144.939636][   T12]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380)
[  144.939639][   T12]  ? validate_chain (kernel/locking/lockdep.c:3817 (discriminator 2) kernel/locking/lockdep.c:3837 (discriminator 2) kernel/locking/lockdep.c:3892 (discriminator 2))
[  144.939644][   T12]  hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2))
[  144.939648][   T12]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[  144.939654][   T12]  ? hvc_write (drivers/tty/hvc/hvc_console.c:501)
[  144.939657][   T12]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  144.939663][   T12]  console_emit_next_record (kernel/printk/printk.c:3183)
[  144.939667][   T12]  ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20)
[  144.939669][   T12]  ? 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))
[  144.939673][   T12]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  144.939675][   T12]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  144.939679][   T12]  console_flush_one_record (kernel/printk/printk.c:3268)
[  144.939683][   T12]  ? console_emit_next_record (kernel/printk/printk.c:3150)
[  144.939685][   T12]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[  144.939691][   T12]  console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420)
[  144.939694][   T12]  ? console_flush_one_record (kernel/printk/printk.c:3316)
[  144.939696][   T12]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  144.939698][   T12]  ? 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)
[  144.939702][   T12]  ? __down_trylock_console_sem (kernel/printk/printk.c:334)
[  144.939704][   T12]  ? vprintk_emit (kernel/printk/printk.c:2478)
[  144.939707][   T12]  vprintk_emit (kernel/printk/printk.c:2479)
[  144.939710][   T12]  ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126))
[  144.939711][   T12]  ? cleanup_net (net/core/net_namespace.c:706)
[  144.939713][   T12]  ? worker_thread (kernel/workqueue.c:3470 kernel/workqueue.c:3551)
[  144.939715][   T12]  ? kthread (kernel/kthread.c:436)
[  144.939717][   T12]  ? ret_from_fork (arch/x86/kernel/process.c:158)
[  144.939720][   T12]  ? ret_from_fork_asm (arch/x86/entry/entry_64.S:245)
[  144.939725][   T12]  _printk (kernel/printk/printk.c:2504)
[  144.939729][   T12]  ? snapshot_read.cold (user.c:?)
[  144.939734][   T12]  ? netdev_name (./include/linux/netdevice.h:5709 (discriminator 1))
[  144.939738][   T12]  ? __netdev_printk (net/core/dev.c:13148 (discriminator 2))
[  144.939742][   T12]  netdev_info (net/core/dev.c:13195 (discriminator 3))
[  144.939745][   T12]  ? netdev_notice (net/core/dev.c:13194)
[  144.939750][   T12]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  144.939752][   T12]  ? __up_read (kernel/locking/rwsem.c:1397 (discriminator 1))
[  144.939754][   T12]  ? down_write_nested (kernel/locking/rwsem.c:1759)
[  144.939756][   T12]  ? 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)
[  144.939759][   T12]  netif_set_allmulti.cold (net/core/dev.c:9731 (discriminator 3))
[  144.939763][   T12]  dev_set_allmulti (net/core/dev_api.c:315)
[  144.939767][   T12]  del_nbp (net/bridge/br_if.c:253 net/bridge/br_if.c:341)
[  144.939774][   T12]  br_dev_delete (net/bridge/br_if.c:387)
[  144.939778][   T12]  br_net_exit_rtnl (net/bridge/br.c:414)
[  144.939781][   T12]  ops_undo_list (net/core/net_namespace.c:181 net/core/net_namespace.c:249)
[  144.939785][   T12]  ? lockdep_hardirqs_on (kernel/locking/lockdep.c:4488)
[  144.939789][   T12]  ? netns_install (./include/linux/ns_common.h:26)
[  144.939790][   T12]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554)
[  144.939794][   T12]  ? idr_destroy (lib/radix-tree.c:310 lib/radix-tree.c:674 lib/radix-tree.c:1563)
[  144.939799][   T12]  cleanup_net (net/core/net_namespace.c:706)
[  144.939802][   T12]  ? net_passive_dec (./include/linux/llist.h:241)
[  144.939806][   T12]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  144.939808][   T12]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  144.939812][   T12]  process_one_work (kernel/workqueue.c:3387)
[  144.939819][   T12]  ? __queue_delayed_work (kernel/workqueue.c:2622)
[  144.939822][   T12]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2))
[  144.939831][   T12]  worker_thread (kernel/workqueue.c:3470 kernel/workqueue.c:3551)
[  144.939838][   T12]  ? rescuer_thread (./include/linux/list.h:419 (discriminator 3))
[  144.939841][   T12]  kthread (kernel/kthread.c:436)
[  144.939843][   T12]  ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22))
[  144.939846][   T12]  ? kthread_affine_preferred (kernel/kthread.c:857)
[  144.939849][   T12]  ret_from_fork (arch/x86/kernel/process.c:158)
[  144.939852][   T12]  ? arch_exit_to_user_mode_prepare.isra.0 (arch/x86/entry/vdso/vma.c:80 (discriminator 1))
[  144.939856][   T12]  ? __switch_to (arch/x86/kernel/process_64.c:403 arch/x86/kernel/process_64.c:663)
[  144.939859][   T12]  ? kthread_affine_preferred (kernel/kthread.c:857)
[  144.939862][   T12]  ret_from_fork_asm (arch/x86/entry/entry_64.S:245)
| [  148.670932][ T4432] softirqs last disabled at (55410): __alloc_skb (./include/linux/bottom_half.h:20 (discriminator 2) net/core/skbuff.c:697 (discriminator 2))
| [  148.670934][ T4432] Preemption disabled at:
| [  148.670935][ T4432] vprintk_emit (kernel/printk/printk.c:2471)
| [  148.670944][ T4432] Tainted: [W]=WARN
[  148.670945][ T4432] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[  148.670947][ T4432] Call Trace:
[  148.670949][ T4432]  <TASK>
[  148.670950][ T4432]  dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120)
[  148.670956][ T4432]  ? vprintk_emit (kernel/printk/printk.c:2471)
[  148.670958][ T4432]  __might_resched.cold (kernel/sched/core.c:9234)
[  148.670962][ T4432]  ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3))
[  148.670966][ T4432]  ? __kmalloc_noprof (./include/linux/sched/mm.h:317 mm/slub.c:4636 mm/slub.c:4974 mm/slub.c:5413 mm/slub.c:5439)
[  148.670971][ T4432]  __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))
[  148.670972][ T4432]  ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[  148.670979][ T4432]  ? 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)
[  148.670982][ T4432]  alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[  148.670986][ T4432]  put_chars (drivers/char/virtio_console.c:1176)
[  148.670988][ T4432]  ? __send_to_port (drivers/char/virtio_console.c:654)
[  148.670989][ T4432]  ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4116 (discriminator 3) kernel/rcu/tree.c:4108 (discriminator 3))
[  148.670993][ T4432]  ? validate_chain (kernel/locking/lockdep.c:3817 (discriminator 2) kernel/locking/lockdep.c:3837 (discriminator 2) kernel/locking/lockdep.c:3892 (discriminator 2))
[  148.670998][ T4432]  hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2))
[  148.671005][ T4432]  ? hvc_write (drivers/tty/hvc/hvc_console.c:501)
[  148.671008][ T4432]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  148.671010][ T4432]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  148.671014][ T4432]  console_emit_next_record (kernel/printk/printk.c:3183)
[  148.671018][ T4432]  ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20)
[  148.671020][ T4432]  ? 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))
[  148.671023][ T4432]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  148.671025][ T4432]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  148.671029][ T4432]  console_flush_one_record (kernel/printk/printk.c:3268)
[  148.671033][ T4432]  ? console_emit_next_record (kernel/printk/printk.c:3150)
[  148.671035][ T4432]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[  148.671040][ T4432]  console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420)
[  148.671043][ T4432]  ? console_flush_one_record (kernel/printk/printk.c:3316)
[  148.671045][ T4432]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  148.671047][ T4432]  ? 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)
[  148.671050][ T4432]  ? __down_trylock_console_sem (kernel/printk/printk.c:334)
[  148.671052][ T4432]  ? vprintk_emit (kernel/printk/printk.c:2478)
[  148.671055][ T4432]  vprintk_emit (kernel/printk/printk.c:2479)
[  148.671058][ T4432]  ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126))
[  148.671060][ T4432]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554)
[  148.671063][ T4432]  ? mark_held_locks (kernel/locking/lockdep.c:4341)
[  148.671066][ T4432]  _printk (kernel/printk/printk.c:2504)
[  148.671070][ T4432]  ? snapshot_read.cold (user.c:?)
[  148.671073][ T4432]  ? br_multicast_flood (??:?)
[  148.671076][ T4432]  ? do_setlink.isra.0 (net/core/rtnetlink.c:3273 (discriminator 1))
[  148.671078][ T4432]  ? rtnl_newlink (net/core/rtnetlink.c:4215)
[  148.671079][ T4432]  ? rtnetlink_rcv_msg (net/core/rtnetlink.c:7132)
[  148.671084][ T4432]  br_set_state (net/bridge/br_stp.c:57 (discriminator 2))
[  148.671088][ T4432]  br_init_port (net/bridge/br_stp_if.c:39)
[  148.671090][ T4432]  new_nbp (net/bridge/br_if.c:449)
[  148.671094][ T4432]  br_add_if (net/bridge/br_if.c:592)
[  148.671097][ T4432]  ? is_bpf_text_address (./include/linux/rcupdate.h:882 kernel/bpf/core.c:751)
[  148.671100][ T4432]  ? kernel_text_address (kernel/extable.c:125 kernel/extable.c:94)
[  148.671105][ T4432]  do_set_master (net/core/rtnetlink.c:3071)
[  148.671109][ T4432]  do_setlink.isra.0 (net/core/rtnetlink.c:3273 (discriminator 1))
[  148.671112][ T4432]  ? stack_trace_save (kernel/stacktrace.c:122 (discriminator 1))
[  148.671115][ T4432]  ? rtnl_link_get_size (net/core/rtnetlink.c:747)
[  148.671117][ T4432]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:388 kernel/rcu/update.c:380)
[  148.671119][ T4432]  ? stack_depot_save_flags (lib/stackdepot.c:609 (discriminator 2) lib/stackdepot.c:676 (discriminator 2))
[  148.671123][ T4432]  ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4116 (discriminator 3) kernel/rcu/tree.c:4108 (discriminator 3))
[  148.671125][ T4432]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380)
[  148.671126][ T4432]  ? validate_chain (kernel/locking/lockdep.c:3817 (discriminator 2) kernel/locking/lockdep.c:3837 (discriminator 2) kernel/locking/lockdep.c:3892 (discriminator 2))
[  148.671129][ T4432]  ? kasan_save_stack (mm/kasan/common.c:58)
[  148.671131][ T4432]  ? kasan_save_stack (mm/kasan/common.c:57)
[  148.671132][ T4432]  ? kasan_save_track (mm/kasan/common.c:78)
[  148.671133][ T4432]  ? __kasan_kmalloc (mm/kasan/common.c:398 mm/kasan/common.c:415)
[  148.671136][ T4432]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[  148.671138][ T4432]  ? snd_ac97_proc_read_main (sound/pci/ac97/ac97_proc.c:320)
[  148.671140][ T4432]  ? ___sys_sendmsg (net/socket.c:2758)
[  148.671144][ T4432]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2))
[  148.671146][ T4432]  ? rtnl_newlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:366 net/core/rtnetlink.c:4214)
[  148.671149][ T4432]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  148.671151][ T4432]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  148.671152][ T4432]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  148.671153][ T4432]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  148.671155][ T4432]  ? trace_contention_end (./include/trace/events/lock.h:121 (discriminator 22))
[  148.671157][ T4432]  ? __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)
[  148.671160][ T4432]  ? __mutex_lock (kernel/locking/mutex.c:656 (discriminator 1) kernel/locking/mutex.c:821 (discriminator 1))
[  148.671161][ T4432]  ? rtnl_newlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:366 net/core/rtnetlink.c:4214)
[  148.671165][ T4432]  ? ww_mutex_lock (kernel/locking/mutex.c:934)
[  148.671166][ T4432]  ? nla_get_range_signed (lib/nlattr.c:270)
[  148.671171][ T4432]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  148.671173][ T4432]  ? __rtnl_newlink (net/core/rtnetlink.c:4063)
[  148.671178][ T4432]  rtnl_newlink (net/core/rtnetlink.c:4215)
[  148.671184][ T4432]  ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558)
[  148.671185][ T4432]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[  148.671190][ T4432]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2))
[  148.671192][ T4432]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[  148.671194][ T4432]  ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558)
[  148.671196][ T4432]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554)
[  148.671200][ T4432]  ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558)
[  148.671202][ T4432]  rtnetlink_rcv_msg (net/core/rtnetlink.c:7132)
[  148.671205][ T4432]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[  148.671206][ T4432]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[  148.671210][ T4432]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2))
[  148.671212][ T4432]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[  148.671216][ T4432]  netlink_rcv_skb (net/netlink/af_netlink.c:2556)
[  148.671219][ T4432]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[  148.671222][ T4432]  ? netlink_ack (./include/linux/skbuff.h:2718)
[  148.671228][ T4432]  ? 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))
[  148.671230][ T4432]  ? 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))
[  148.671235][ T4432]  netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[  148.671238][ T4432]  ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[  148.671241][ T4432]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[  148.671245][ T4432]  netlink_sendmsg (net/netlink/af_netlink.c:1900)
[  148.671249][ T4432]  ? netlink_unicast (./include/net/net_namespace.h:422 (discriminator 7))
[  148.671253][ T4432]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554)
[  148.671255][ T4432]  ? __import_iovec (lib/iov_iter.c:1358 lib/iov_iter.c:1373)
[  148.671260][ T4432]  __sock_sendmsg (net/socket.c:800 (discriminator 4) net/socket.c:815 (discriminator 4))
[  148.671263][ T4432]  ____sys_sendmsg (net/socket.c:2713)
[  148.671265][ T4432]  ? copy_msghdr_from_user (net/socket.c:2650)
[  148.671267][ T4432]  ? sock_write_iter (net/socket.c:1269)
[  148.671269][ T4432]  ? move_addr_to_kernel (net/socket.c:258)
[  148.671276][ T4432]  ___sys_sendmsg (net/socket.c:2767)
[  148.671279][ T4432]  ? copy_msghdr_from_user (net/socket.c:2619)
[  148.671294][ T4432]  __sys_sendmsg (net/socket.c:2799)
[  148.671297][ T4432]  ? __sys_sendmsg_sock (net/socket.c:2780)
[  148.671303][ T4432]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  148.671306][ T4432]  do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84)
[  148.671309][ T4432]  ? exc_page_fault (arch/x86/mm/fault.c:1489 (discriminator 3) arch/x86/mm/fault.c:1536 (discriminator 3))
[  148.671312][ T4432]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[  148.671314][ T4432] RIP: 0033:0x7f8f0cc6154e
[  148.671318][ T4432] 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
[  148.671320][ T4432] RSP: 002b:00007ffc9c0477e0 EFLAGS: 00000202 ORIG_RAX: 000000000000002e
[  148.671323][ T4432] RAX: ffffffffffffffda RBX: 0000000000000003 RCX: 00007f8f0cc6154e
[  148.671324][ T4432] RDX: 0000000000000000 RSI: 00007ffc9c047890 RDI: 0000000000000005
[  148.671325][ T4432] RBP: 00007ffc9c0477f0 R08: 0000000000000000 R09: 0000000000000000
[  148.671326][ T4432] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a90fc81
[  148.671327][ T4432] R13: 00000000004a1620 R14: 0000000000000000 R15: 00007ffc9c047f50
| [  153.150914][   T12] softirqs last disabled at (4772496): vxlan_flush (./include/linux/spinlock.h:353 drivers/net/vxlan/vxlan_core.c:3094) vxlan
| [  153.150921][   T12] Preemption disabled at:
| [  153.150922][   T12] vprintk_emit (kernel/printk/printk.c:2471)
| [  153.150933][   T12] Tainted: [W]=WARN
[  153.150935][   T12] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[  153.150937][   T12] Workqueue: netns cleanup_net
[  153.150941][   T12] Call Trace:
[  153.150944][   T12]  <TASK>
[  153.150946][   T12]  dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120)
[  153.150959][   T12]  ? vprintk_emit (kernel/printk/printk.c:2471)
[  153.150962][   T12]  __might_resched.cold (kernel/sched/core.c:9234)
[  153.150969][   T12]  ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3))
[  153.150974][   T12]  ? __kmalloc_noprof (./include/linux/sched/mm.h:317 mm/slub.c:4636 mm/slub.c:4974 mm/slub.c:5413 mm/slub.c:5439)
[  153.150981][   T12]  __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))
[  153.150985][   T12]  ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[  153.150995][   T12]  ? 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)
[  153.150999][   T12]  alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[  153.151005][   T12]  put_chars (drivers/char/virtio_console.c:1176)
[  153.151009][   T12]  ? __send_to_port (drivers/char/virtio_console.c:654)
[  153.151012][   T12]  ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4116 (discriminator 3) kernel/rcu/tree.c:4108 (discriminator 3))
[  153.151018][   T12]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380)
[  153.151022][   T12]  ? validate_chain (kernel/locking/lockdep.c:3817 (discriminator 2) kernel/locking/lockdep.c:3837 (discriminator 2) kernel/locking/lockdep.c:3892 (discriminator 2))
[  153.151031][   T12]  hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2))
[  153.151037][   T12]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[  153.151046][   T12]  ? hvc_write (drivers/tty/hvc/hvc_console.c:501)
[  153.151051][   T12]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  153.151060][   T12]  console_emit_next_record (kernel/printk/printk.c:3183)
[  153.151066][   T12]  ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20)
[  153.151069][   T12]  ? 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))
[  153.151075][   T12]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  153.151078][   T12]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  153.151086][   T12]  console_flush_one_record (kernel/printk/printk.c:3268)
[  153.151093][   T12]  ? console_emit_next_record (kernel/printk/printk.c:3150)
[  153.151096][   T12]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[  153.151106][   T12]  console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420)
[  153.151111][   T12]  ? console_flush_one_record (kernel/printk/printk.c:3316)
[  153.151113][   T12]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  153.151117][   T12]  ? 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)
[  153.151123][   T12]  ? __down_trylock_console_sem (kernel/printk/printk.c:334)
[  153.151126][   T12]  ? vprintk_emit (kernel/printk/printk.c:2478)
[  153.151132][   T12]  vprintk_emit (kernel/printk/printk.c:2479)
[  153.151138][   T12]  ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126))
[  153.151140][   T12]  ? cleanup_net (net/core/net_namespace.c:706)
[  153.151143][   T12]  ? worker_thread (kernel/workqueue.c:3470 kernel/workqueue.c:3551)
[  153.151145][   T12]  ? kthread (kernel/kthread.c:436)
[  153.151148][   T12]  ? ret_from_fork (arch/x86/kernel/process.c:158)
[  153.151152][   T12]  ? ret_from_fork_asm (arch/x86/entry/entry_64.S:245)
[  153.151160][   T12]  _printk (kernel/printk/printk.c:2504)
[  153.151165][   T12]  ? snapshot_read.cold (user.c:?)
[  153.151173][   T12]  ? netdev_name (./include/linux/netdevice.h:5709 (discriminator 1))
[  153.151178][   T12]  ? __netdev_printk (net/core/dev.c:13148 (discriminator 2))
[  153.151186][   T12]  netdev_info (net/core/dev.c:13195 (discriminator 3))
[  153.151190][   T12]  ? netdev_notice (net/core/dev.c:13194)
[  153.151198][   T12]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  153.151202][   T12]  ? __up_read (kernel/locking/rwsem.c:1397 (discriminator 1))
[  153.151206][   T12]  ? down_write_nested (kernel/locking/rwsem.c:1759)
[  153.151210][   T12]  ? 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)
[  153.151214][   T12]  netif_set_allmulti.cold (net/core/dev.c:9731 (discriminator 3))
[  153.151221][   T12]  dev_set_allmulti (net/core/dev_api.c:315)
[  153.151227][   T12]  del_nbp (net/bridge/br_if.c:253 net/bridge/br_if.c:341)
[  153.151238][   T12]  br_dev_delete (net/bridge/br_if.c:387)
[  153.151244][   T12]  br_net_exit_rtnl (net/bridge/br.c:414)
[  153.151250][   T12]  ops_undo_list (net/core/net_namespace.c:181 net/core/net_namespace.c:249)
[  153.151256][   T12]  ? lockdep_hardirqs_on (kernel/locking/lockdep.c:4488)
[  153.151261][   T12]  ? netns_install (./include/linux/ns_common.h:26)
[  153.151263][   T12]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554)
[  153.151269][   T12]  ? idr_destroy (lib/radix-tree.c:310 lib/radix-tree.c:674 lib/radix-tree.c:1563)
[  153.151277][   T12]  cleanup_net (net/core/net_namespace.c:706)
[  153.151283][   T12]  ? net_passive_dec (./include/linux/llist.h:241)
[  153.151290][   T12]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  153.151293][   T12]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  153.151300][   T12]  process_one_work (kernel/workqueue.c:3387)
[  153.151312][   T12]  ? __queue_delayed_work (kernel/workqueue.c:2622)
[  153.151317][   T12]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2))
[  153.151331][   T12]  worker_thread (kernel/workqueue.c:3470 kernel/workqueue.c:3551)
[  153.151345][   T12]  ? rescuer_thread (./include/linux/list.h:419 (discriminator 3))
[  153.151348][   T12]  kthread (kernel/kthread.c:436)
[  153.151351][   T12]  ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22))
[  153.151356][   T12]  ? kthread_affine_preferred (kernel/kthread.c:857)
[  153.151361][   T12]  ret_from_fork (arch/x86/kernel/process.c:158)
[  153.151366][   T12]  ? arch_exit_to_user_mode_prepare.isra.0 (arch/x86/entry/vdso/vma.c:80 (discriminator 1))
[  153.151372][   T12]  ? __switch_to (arch/x86/kernel/process_64.c:403 arch/x86/kernel/process_64.c:663)
[  153.151377][   T12]  ? kthread_affine_preferred (kernel/kthread.c:857)
[  153.151382][   T12]  ret_from_fork_asm (arch/x86/entry/entry_64.S:245)
| [  157.399693][ T4646] softirqs last disabled at (36456): __alloc_skb (./include/linux/bottom_half.h:20 (discriminator 2) net/core/skbuff.c:697 (discriminator 2))
| [  157.399695][ T4646] Preemption disabled at:
| [  157.399696][ T4646] vprintk_emit (kernel/printk/printk.c:2471)
| [  157.399704][ T4646] Tainted: [W]=WARN
[  157.399705][ T4646] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[  157.399706][ T4646] Call Trace:
[  157.399708][ T4646]  <TASK>
[  157.399709][ T4646]  dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120)
[  157.399715][ T4646]  ? vprintk_emit (kernel/printk/printk.c:2471)
[  157.399717][ T4646]  __might_resched.cold (kernel/sched/core.c:9234)
[  157.399722][ T4646]  ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3))
[  157.399726][ T4646]  ? __kmalloc_noprof (./include/linux/sched/mm.h:317 mm/slub.c:4636 mm/slub.c:4974 mm/slub.c:5413 mm/slub.c:5439)
[  157.399731][ T4646]  __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))
[  157.399732][ T4646]  ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[  157.399739][ T4646]  ? 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)
[  157.399742][ T4646]  alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[  157.399746][ T4646]  put_chars (drivers/char/virtio_console.c:1176)
[  157.399748][ T4646]  ? __send_to_port (drivers/char/virtio_console.c:654)
[  157.399749][ T4646]  ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4116 (discriminator 3) kernel/rcu/tree.c:4108 (discriminator 3))
[  157.399753][ T4646]  ? validate_chain (kernel/locking/lockdep.c:3817 (discriminator 2) kernel/locking/lockdep.c:3837 (discriminator 2) kernel/locking/lockdep.c:3892 (discriminator 2))
[  157.399758][ T4646]  hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2))
[  157.399766][ T4646]  ? hvc_write (drivers/tty/hvc/hvc_console.c:501)
[  157.399769][ T4646]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  157.399771][ T4646]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  157.399775][ T4646]  console_emit_next_record (kernel/printk/printk.c:3183)
[  157.399779][ T4646]  ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20)
[  157.399780][ T4646]  ? 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))
[  157.399784][ T4646]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  157.399785][ T4646]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  157.399789][ T4646]  console_flush_one_record (kernel/printk/printk.c:3268)
[  157.399793][ T4646]  ? console_emit_next_record (kernel/printk/printk.c:3150)
[  157.399795][ T4646]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[  157.399801][ T4646]  console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420)
[  157.399804][ T4646]  ? console_flush_one_record (kernel/printk/printk.c:3316)
[  157.399805][ T4646]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  157.399807][ T4646]  ? 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)
[  157.399811][ T4646]  ? __down_trylock_console_sem (kernel/printk/printk.c:334)
[  157.399813][ T4646]  ? vprintk_emit (kernel/printk/printk.c:2478)
[  157.399815][ T4646]  vprintk_emit (kernel/printk/printk.c:2479)
[  157.399818][ T4646]  ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126))
[  157.399820][ T4646]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554)
[  157.399823][ T4646]  ? mark_held_locks (kernel/locking/lockdep.c:4341)
[  157.399826][ T4646]  _printk (kernel/printk/printk.c:2504)
[  157.399830][ T4646]  ? snapshot_read.cold (user.c:?)
[  157.399834][ T4646]  ? br_multicast_flood (??:?)
[  157.399837][ T4646]  ? do_setlink.isra.0 (net/core/rtnetlink.c:3273 (discriminator 1))
[  157.399838][ T4646]  ? rtnl_newlink (net/core/rtnetlink.c:4215)
[  157.399839][ T4646]  ? rtnetlink_rcv_msg (net/core/rtnetlink.c:7132)
[  157.399844][ T4646]  br_set_state (net/bridge/br_stp.c:57 (discriminator 2))
[  157.399848][ T4646]  br_init_port (net/bridge/br_stp_if.c:39)
[  157.399850][ T4646]  new_nbp (net/bridge/br_if.c:449)
[  157.399854][ T4646]  br_add_if (net/bridge/br_if.c:592)
[  157.399857][ T4646]  ? is_bpf_text_address (./include/linux/rcupdate.h:882 kernel/bpf/core.c:751)
[  157.399860][ T4646]  ? kernel_text_address (kernel/extable.c:125 kernel/extable.c:94)
[  157.399866][ T4646]  do_set_master (net/core/rtnetlink.c:3071)
[  157.399869][ T4646]  do_setlink.isra.0 (net/core/rtnetlink.c:3273 (discriminator 1))
[  157.399872][ T4646]  ? stack_trace_save (kernel/stacktrace.c:122 (discriminator 1))
[  157.399876][ T4646]  ? rtnl_link_get_size (net/core/rtnetlink.c:747)
[  157.399877][ T4646]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:388 kernel/rcu/update.c:380)
[  157.399880][ T4646]  ? stack_depot_save_flags (lib/stackdepot.c:609 (discriminator 2) lib/stackdepot.c:676 (discriminator 2))
[  157.399883][ T4646]  ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4116 (discriminator 3) kernel/rcu/tree.c:4108 (discriminator 3))
[  157.399885][ T4646]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380)
[  157.399887][ T4646]  ? validate_chain (kernel/locking/lockdep.c:3817 (discriminator 2) kernel/locking/lockdep.c:3837 (discriminator 2) kernel/locking/lockdep.c:3892 (discriminator 2))
[  157.399889][ T4646]  ? kasan_save_stack (mm/kasan/common.c:58)
[  157.399892][ T4646]  ? kasan_save_stack (mm/kasan/common.c:57)
[  157.399893][ T4646]  ? kasan_save_track (mm/kasan/common.c:78)
[  157.399894][ T4646]  ? __kasan_kmalloc (mm/kasan/common.c:398 mm/kasan/common.c:415)
[  157.399897][ T4646]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[  157.399901][ T4646]  ? snd_ac97_proc_read_main (sound/pci/ac97/ac97_proc.c:320)
[  157.399904][ T4646]  ? ___sys_sendmsg (net/socket.c:2758)
[  157.399908][ T4646]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2))
[  157.399910][ T4646]  ? rtnl_newlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:366 net/core/rtnetlink.c:4214)
[  157.399913][ T4646]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  157.399915][ T4646]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  157.399916][ T4646]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  157.399917][ T4646]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  157.399919][ T4646]  ? trace_contention_end (./include/trace/events/lock.h:121 (discriminator 22))
[  157.399921][ T4646]  ? __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)
[  157.399924][ T4646]  ? __mutex_lock (kernel/locking/mutex.c:656 (discriminator 1) kernel/locking/mutex.c:821 (discriminator 1))
[  157.399926][ T4646]  ? rtnl_newlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:366 net/core/rtnetlink.c:4214)
[  157.399929][ T4646]  ? ww_mutex_lock (kernel/locking/mutex.c:934)
[  157.399930][ T4646]  ? nla_get_range_signed (lib/nlattr.c:270)
[  157.399935][ T4646]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  157.399938][ T4646]  ? __rtnl_newlink (net/core/rtnetlink.c:4063)
[  157.399943][ T4646]  rtnl_newlink (net/core/rtnetlink.c:4215)
[  157.399948][ T4646]  ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558)
[  157.399950][ T4646]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[  157.399955][ T4646]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2))
[  157.399957][ T4646]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[  157.399959][ T4646]  ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558)
[  157.399961][ T4646]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554)
[  157.399964][ T4646]  ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558)
[  157.399966][ T4646]  rtnetlink_rcv_msg (net/core/rtnetlink.c:7132)
[  157.399970][ T4646]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[  157.399971][ T4646]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[  157.399975][ T4646]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2))
[  157.399977][ T4646]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[  157.399981][ T4646]  netlink_rcv_skb (net/netlink/af_netlink.c:2556)
[  157.399984][ T4646]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[  157.399987][ T4646]  ? netlink_ack (./include/linux/skbuff.h:2718)
[  157.399999][ T4646]  ? 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))
[  157.400001][ T4646]  ? 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))
[  157.400006][ T4646]  netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[  157.400010][ T4646]  ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[  157.400012][ T4646]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[  157.400016][ T4646]  netlink_sendmsg (net/netlink/af_netlink.c:1900)
[  157.400020][ T4646]  ? netlink_unicast (./include/net/net_namespace.h:422 (discriminator 7))
[  157.400024][ T4646]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554)
[  157.400026][ T4646]  ? __import_iovec (lib/iov_iter.c:1358 lib/iov_iter.c:1373)
[  157.400031][ T4646]  __sock_sendmsg (net/socket.c:800 (discriminator 4) net/socket.c:815 (discriminator 4))
[  157.400034][ T4646]  ____sys_sendmsg (net/socket.c:2713)
[  157.400036][ T4646]  ? copy_msghdr_from_user (net/socket.c:2650)
[  157.400038][ T4646]  ? sock_write_iter (net/socket.c:1269)
[  157.400040][ T4646]  ? move_addr_to_kernel (net/socket.c:258)
[  157.400047][ T4646]  ___sys_sendmsg (net/socket.c:2767)
[  157.400050][ T4646]  ? copy_msghdr_from_user (net/socket.c:2619)
[  157.400065][ T4646]  __sys_sendmsg (net/socket.c:2799)
[  157.400068][ T4646]  ? __sys_sendmsg_sock (net/socket.c:2780)
[  157.400074][ T4646]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  157.400077][ T4646]  do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84)
[  157.400080][ T4646]  ? exc_page_fault (arch/x86/mm/fault.c:1489 (discriminator 3) arch/x86/mm/fault.c:1536 (discriminator 3))
[  157.400083][ T4646]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[  157.400085][ T4646] RIP: 0033:0x7fc10941a54e
[  157.400089][ T4646] 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
[  157.400091][ T4646] RSP: 002b:00007ffd9f7cb9c0 EFLAGS: 00000202 ORIG_RAX: 000000000000002e
[  157.400094][ T4646] RAX: ffffffffffffffda RBX: 0000000000000003 RCX: 00007fc10941a54e
[  157.400095][ T4646] RDX: 0000000000000000 RSI: 00007ffd9f7cba70 RDI: 0000000000000005
[  157.400096][ T4646] RBP: 00007ffd9f7cb9d0 R08: 0000000000000000 R09: 0000000000000000
[  157.400097][ T4646] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a90fc89
[  157.400098][ T4646] R13: 00000000004a1620 R14: 0000000000000000 R15: 00007ffd9f7cc130
| [  161.796321][   T12] softirqs last disabled at (5001664): vxlan_flush (./include/linux/spinlock.h:353 drivers/net/vxlan/vxlan_core.c:3094) vxlan
| [  161.796325][   T12] Preemption disabled at:
| [  161.796326][   T12] vprintk_emit (kernel/printk/printk.c:2471)
| [  161.796335][   T12] Tainted: [W]=WARN
[  161.796335][   T12] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[  161.796338][   T12] Workqueue: netns cleanup_net
[  161.796341][   T12] Call Trace:
[  161.796342][   T12]  <TASK>
[  161.796344][   T12]  dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120)
[  161.796351][   T12]  ? vprintk_emit (kernel/printk/printk.c:2471)
[  161.796352][   T12]  __might_resched.cold (kernel/sched/core.c:9234)
[  161.796357][   T12]  ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3))
[  161.796360][   T12]  ? __kmalloc_noprof (./include/linux/sched/mm.h:317 mm/slub.c:4636 mm/slub.c:4974 mm/slub.c:5413 mm/slub.c:5439)
[  161.796365][   T12]  __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))
[  161.796367][   T12]  ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[  161.796374][   T12]  ? 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)
[  161.796377][   T12]  alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[  161.796381][   T12]  put_chars (drivers/char/virtio_console.c:1176)
[  161.796383][   T12]  ? __send_to_port (drivers/char/virtio_console.c:654)
[  161.796385][   T12]  ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4116 (discriminator 3) kernel/rcu/tree.c:4108 (discriminator 3))
[  161.796388][   T12]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380)
[  161.796391][   T12]  ? validate_chain (kernel/locking/lockdep.c:3817 (discriminator 2) kernel/locking/lockdep.c:3837 (discriminator 2) kernel/locking/lockdep.c:3892 (discriminator 2))
[  161.796396][   T12]  hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2))
[  161.796400][   T12]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[  161.796405][   T12]  ? hvc_write (drivers/tty/hvc/hvc_console.c:501)
[  161.796408][   T12]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  161.796413][   T12]  console_emit_next_record (kernel/printk/printk.c:3183)
[  161.796417][   T12]  ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20)
[  161.796419][   T12]  ? 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))
[  161.796423][   T12]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  161.796425][   T12]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  161.796429][   T12]  console_flush_one_record (kernel/printk/printk.c:3268)
[  161.796433][   T12]  ? console_emit_next_record (kernel/printk/printk.c:3150)
[  161.796435][   T12]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[  161.796441][   T12]  console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420)
[  161.796443][   T12]  ? console_flush_one_record (kernel/printk/printk.c:3316)
[  161.796445][   T12]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  161.796447][   T12]  ? 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)
[  161.796451][   T12]  ? __down_trylock_console_sem (kernel/printk/printk.c:334)
[  161.796453][   T12]  ? vprintk_emit (kernel/printk/printk.c:2478)
[  161.796456][   T12]  vprintk_emit (kernel/printk/printk.c:2479)
[  161.796459][   T12]  ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126))
[  161.796460][   T12]  ? cleanup_net (net/core/net_namespace.c:706)
[  161.796462][   T12]  ? worker_thread (kernel/workqueue.c:3470 kernel/workqueue.c:3551)
[  161.796464][   T12]  ? kthread (kernel/kthread.c:436)
[  161.796466][   T12]  ? ret_from_fork (arch/x86/kernel/process.c:158)
[  161.796469][   T12]  ? ret_from_fork_asm (arch/x86/entry/entry_64.S:245)
[  161.796474][   T12]  _printk (kernel/printk/printk.c:2504)
[  161.796477][   T12]  ? snapshot_read.cold (user.c:?)
[  161.796482][   T12]  ? netdev_name (./include/linux/netdevice.h:5709 (discriminator 1))
[  161.796486][   T12]  ? __netdev_printk (net/core/dev.c:13148 (discriminator 2))
[  161.796490][   T12]  netdev_info (net/core/dev.c:13195 (discriminator 3))
[  161.796493][   T12]  ? netdev_notice (net/core/dev.c:13194)
[  161.796497][   T12]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  161.796499][   T12]  ? __up_read (kernel/locking/rwsem.c:1397 (discriminator 1))
[  161.796501][   T12]  ? down_write_nested (kernel/locking/rwsem.c:1759)
[  161.796504][   T12]  ? 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)
[  161.796506][   T12]  netif_set_allmulti.cold (net/core/dev.c:9731 (discriminator 3))
[  161.796510][   T12]  dev_set_allmulti (net/core/dev_api.c:315)
[  161.796514][   T12]  del_nbp (net/bridge/br_if.c:253 net/bridge/br_if.c:341)
[  161.796520][   T12]  br_dev_delete (net/bridge/br_if.c:387)
[  161.796524][   T12]  br_net_exit_rtnl (net/bridge/br.c:414)
[  161.796527][   T12]  ops_undo_list (net/core/net_namespace.c:181 net/core/net_namespace.c:249)
[  161.796531][   T12]  ? lockdep_hardirqs_on (kernel/locking/lockdep.c:4488)
[  161.796535][   T12]  ? netns_install (./include/linux/ns_common.h:26)
[  161.796536][   T12]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554)
[  161.796540][   T12]  ? idr_destroy (lib/radix-tree.c:310 lib/radix-tree.c:674 lib/radix-tree.c:1563)
[  161.796545][   T12]  cleanup_net (net/core/net_namespace.c:706)
[  161.796548][   T12]  ? net_passive_dec (./include/linux/llist.h:241)
[  161.796552][   T12]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  161.796554][   T12]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  161.796557][   T12]  process_one_work (kernel/workqueue.c:3387)
[  161.796564][   T12]  ? __queue_delayed_work (kernel/workqueue.c:2622)
[  161.796567][   T12]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2))
[  161.796575][   T12]  worker_thread (kernel/workqueue.c:3470 kernel/workqueue.c:3551)
[  161.796582][   T12]  ? rescuer_thread (./include/linux/list.h:419 (discriminator 3))
[  161.796584][   T12]  kthread (kernel/kthread.c:436)
[  161.796586][   T12]  ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22))
[  161.796590][   T12]  ? kthread_affine_preferred (kernel/kthread.c:857)
[  161.796593][   T12]  ret_from_fork (arch/x86/kernel/process.c:158)
[  161.796596][   T12]  ? arch_exit_to_user_mode_prepare.isra.0 (arch/x86/entry/vdso/vma.c:80 (discriminator 1))
[  161.796599][   T12]  ? __switch_to (arch/x86/kernel/process_64.c:403 arch/x86/kernel/process_64.c:663)
[  161.796603][   T12]  ? kthread_affine_preferred (kernel/kthread.c:857)
[  161.796605][   T12]  ret_from_fork_asm (arch/x86/entry/entry_64.S:245)
| [  165.673963][ T4848] softirqs last disabled at (41070): __alloc_skb (./include/linux/bottom_half.h:20 (discriminator 2) net/core/skbuff.c:697 (discriminator 2))
| [  165.673966][ T4848] Preemption disabled at:
| [  165.673967][ T4848] vprintk_emit (kernel/printk/printk.c:2471)
| [  165.673975][ T4848] Tainted: [W]=WARN
[  165.673976][ T4848] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[  165.673978][ T4848] Call Trace:
[  165.673979][ T4848]  <TASK>
[  165.673981][ T4848]  dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120)
[  165.673987][ T4848]  ? vprintk_emit (kernel/printk/printk.c:2471)
[  165.673988][ T4848]  __might_resched.cold (kernel/sched/core.c:9234)
[  165.673993][ T4848]  ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3))
[  165.673997][ T4848]  ? __kmalloc_noprof (./include/linux/sched/mm.h:317 mm/slub.c:4636 mm/slub.c:4974 mm/slub.c:5413 mm/slub.c:5439)
[  165.674001][ T4848]  __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))
[  165.674003][ T4848]  ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[  165.674010][ T4848]  ? 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)
[  165.674013][ T4848]  alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[  165.674017][ T4848]  put_chars (drivers/char/virtio_console.c:1176)
[  165.674019][ T4848]  ? __send_to_port (drivers/char/virtio_console.c:654)
[  165.674020][ T4848]  ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4116 (discriminator 3) kernel/rcu/tree.c:4108 (discriminator 3))
[  165.674024][ T4848]  ? validate_chain (kernel/locking/lockdep.c:3817 (discriminator 2) kernel/locking/lockdep.c:3837 (discriminator 2) kernel/locking/lockdep.c:3892 (discriminator 2))
[  165.674030][ T4848]  hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2))
[  165.674037][ T4848]  ? hvc_write (drivers/tty/hvc/hvc_console.c:501)
[  165.674040][ T4848]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  165.674042][ T4848]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  165.674046][ T4848]  console_emit_next_record (kernel/printk/printk.c:3183)
[  165.674051][ T4848]  ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20)
[  165.674052][ T4848]  ? 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))
[  165.674056][ T4848]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  165.674063][ T4848]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  165.674067][ T4848]  console_flush_one_record (kernel/printk/printk.c:3268)
[  165.674072][ T4848]  ? console_emit_next_record (kernel/printk/printk.c:3150)
[  165.674074][ T4848]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[  165.674079][ T4848]  console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420)
[  165.674082][ T4848]  ? console_flush_one_record (kernel/printk/printk.c:3316)
[  165.674085][ T4848]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  165.674086][ T4848]  ? 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)
[  165.674090][ T4848]  ? __down_trylock_console_sem (kernel/printk/printk.c:334)
[  165.674092][ T4848]  ? vprintk_emit (kernel/printk/printk.c:2478)
[  165.674095][ T4848]  vprintk_emit (kernel/printk/printk.c:2479)
[  165.674098][ T4848]  ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126))
[  165.674100][ T4848]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554)
[  165.674103][ T4848]  ? mark_held_locks (kernel/locking/lockdep.c:4341)
[  165.674107][ T4848]  _printk (kernel/printk/printk.c:2504)
[  165.674110][ T4848]  ? snapshot_read.cold (user.c:?)
[  165.674114][ T4848]  ? br_multicast_flood (??:?)
[  165.674117][ T4848]  ? do_setlink.isra.0 (net/core/rtnetlink.c:3273 (discriminator 1))
[  165.674119][ T4848]  ? rtnl_newlink (net/core/rtnetlink.c:4215)
[  165.674120][ T4848]  ? rtnetlink_rcv_msg (net/core/rtnetlink.c:7132)
[  165.674125][ T4848]  br_set_state (net/bridge/br_stp.c:57 (discriminator 2))
[  165.674130][ T4848]  br_init_port (net/bridge/br_stp_if.c:39)
[  165.674132][ T4848]  new_nbp (net/bridge/br_if.c:449)
[  165.674136][ T4848]  br_add_if (net/bridge/br_if.c:592)
[  165.674139][ T4848]  ? is_bpf_text_address (./include/linux/rcupdate.h:882 kernel/bpf/core.c:751)
[  165.674142][ T4848]  ? kernel_text_address (kernel/extable.c:125 kernel/extable.c:94)
[  165.674148][ T4848]  do_set_master (net/core/rtnetlink.c:3071)
[  165.674151][ T4848]  do_setlink.isra.0 (net/core/rtnetlink.c:3273 (discriminator 1))
[  165.674155][ T4848]  ? stack_trace_save (kernel/stacktrace.c:122 (discriminator 1))
[  165.674158][ T4848]  ? rtnl_link_get_size (net/core/rtnetlink.c:747)
[  165.674160][ T4848]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:388 kernel/rcu/update.c:380)
[  165.674163][ T4848]  ? stack_depot_save_flags (lib/stackdepot.c:609 (discriminator 2) lib/stackdepot.c:676 (discriminator 2))
[  165.674166][ T4848]  ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4116 (discriminator 3) kernel/rcu/tree.c:4108 (discriminator 3))
[  165.674168][ T4848]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380)
[  165.674170][ T4848]  ? validate_chain (kernel/locking/lockdep.c:3817 (discriminator 2) kernel/locking/lockdep.c:3837 (discriminator 2) kernel/locking/lockdep.c:3892 (discriminator 2))
[  165.674173][ T4848]  ? kasan_save_stack (mm/kasan/common.c:58)
[  165.674175][ T4848]  ? kasan_save_stack (mm/kasan/common.c:57)
[  165.674176][ T4848]  ? kasan_save_track (mm/kasan/common.c:78)
[  165.674177][ T4848]  ? __kasan_kmalloc (mm/kasan/common.c:398 mm/kasan/common.c:415)
[  165.674180][ T4848]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[  165.674182][ T4848]  ? snd_ac97_proc_read_main (sound/pci/ac97/ac97_proc.c:320)
[  165.674185][ T4848]  ? ___sys_sendmsg (net/socket.c:2758)
[  165.674189][ T4848]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2))
[  165.674191][ T4848]  ? rtnl_newlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:366 net/core/rtnetlink.c:4214)
[  165.674194][ T4848]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  165.674195][ T4848]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  165.674197][ T4848]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  165.674198][ T4848]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  165.674200][ T4848]  ? trace_contention_end (./include/trace/events/lock.h:121 (discriminator 22))
[  165.674202][ T4848]  ? __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)
[  165.674204][ T4848]  ? __mutex_lock (kernel/locking/mutex.c:656 (discriminator 1) kernel/locking/mutex.c:821 (discriminator 1))
[  165.674206][ T4848]  ? rtnl_newlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:366 net/core/rtnetlink.c:4214)
[  165.674210][ T4848]  ? ww_mutex_lock (kernel/locking/mutex.c:934)
[  165.674211][ T4848]  ? nla_get_range_signed (lib/nlattr.c:270)
[  165.674216][ T4848]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  165.674218][ T4848]  ? __rtnl_newlink (net/core/rtnetlink.c:4063)
[  165.674224][ T4848]  rtnl_newlink (net/core/rtnetlink.c:4215)
[  165.674229][ T4848]  ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558)
[  165.674231][ T4848]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[  165.674236][ T4848]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2))
[  165.674238][ T4848]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[  165.674240][ T4848]  ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558)
[  165.674242][ T4848]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554)
[  165.674246][ T4848]  ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558)
[  165.674248][ T4848]  rtnetlink_rcv_msg (net/core/rtnetlink.c:7132)
[  165.674251][ T4848]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[  165.674253][ T4848]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[  165.674258][ T4848]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2))
[  165.674260][ T4848]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[  165.674263][ T4848]  netlink_rcv_skb (net/netlink/af_netlink.c:2556)
[  165.674266][ T4848]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[  165.674269][ T4848]  ? netlink_ack (./include/linux/skbuff.h:2718)
[  165.674276][ T4848]  ? 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))
[  165.674278][ T4848]  ? 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))
[  165.674283][ T4848]  netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[  165.674287][ T4848]  ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[  165.674290][ T4848]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[  165.674294][ T4848]  netlink_sendmsg (net/netlink/af_netlink.c:1900)
[  165.674299][ T4848]  ? netlink_unicast (./include/net/net_namespace.h:422 (discriminator 7))
[  165.674303][ T4848]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554)
[  165.674304][ T4848]  ? __import_iovec (lib/iov_iter.c:1358 lib/iov_iter.c:1373)
[  165.674310][ T4848]  __sock_sendmsg (net/socket.c:800 (discriminator 4) net/socket.c:815 (discriminator 4))
[  165.674314][ T4848]  ____sys_sendmsg (net/socket.c:2713)
[  165.674318][ T4848]  ? copy_msghdr_from_user (net/socket.c:2650)
[  165.674321][ T4848]  ? sock_write_iter (net/socket.c:1269)
[  165.674323][ T4848]  ? move_addr_to_kernel (net/socket.c:258)
[  165.674336][ T4848]  ___sys_sendmsg (net/socket.c:2767)
[  165.674339][ T4848]  ? copy_msghdr_from_user (net/socket.c:2619)
[  165.674356][ T4848]  __sys_sendmsg (net/socket.c:2799)
[  165.674359][ T4848]  ? __sys_sendmsg_sock (net/socket.c:2780)
[  165.674365][ T4848]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  165.674368][ T4848]  do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84)
[  165.674371][ T4848]  ? exc_page_fault (arch/x86/mm/fault.c:1489 (discriminator 3) arch/x86/mm/fault.c:1536 (discriminator 3))
[  165.674374][ T4848]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[  165.674376][ T4848] RIP: 0033:0x7fe83bf8754e
[  165.674380][ T4848] 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
[  165.674382][ T4848] RSP: 002b:00007ffca638aac0 EFLAGS: 00000202 ORIG_RAX: 000000000000002e
[  165.674385][ T4848] RAX: ffffffffffffffda RBX: 0000000000000003 RCX: 00007fe83bf8754e
[  165.674386][ T4848] RDX: 0000000000000000 RSI: 00007ffca638ab70 RDI: 0000000000000005
[  165.674387][ T4848] RBP: 00007ffca638aad0 R08: 0000000000000000 R09: 0000000000000000
[  165.674388][ T4848] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a90fc92
[  165.674389][ T4848] R13: 00000000004a1620 R14: 0000000000000000 R15: 00007ffca638b230
| [  170.137059][   T12] softirqs last disabled at (5220153): do_softirq (kernel/softirq.c:546 (discriminator 19) kernel/softirq.c:533 (discriminator 19))
| [  170.137061][   T12] Preemption disabled at:
| [  170.137062][   T12] vprintk_emit (kernel/printk/printk.c:2471)
| [  170.137071][   T12] Tainted: [W]=WARN
[  170.137071][   T12] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[  170.137073][   T12] Workqueue: netns cleanup_net
[  170.137076][   T12] Call Trace:
[  170.137078][   T12]  <TASK>
[  170.137080][   T12]  dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120)
[  170.137086][   T12]  ? vprintk_emit (kernel/printk/printk.c:2471)
[  170.137087][   T12]  __might_resched.cold (kernel/sched/core.c:9234)
[  170.137092][   T12]  ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3))
[  170.137104][   T12]  ? __kmalloc_noprof (./include/linux/sched/mm.h:317 mm/slub.c:4636 mm/slub.c:4974 mm/slub.c:5413 mm/slub.c:5439)
[  170.137109][   T12]  __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))
[  170.137111][   T12]  ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[  170.137117][   T12]  ? 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)
[  170.137120][   T12]  alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[  170.137124][   T12]  put_chars (drivers/char/virtio_console.c:1176)
[  170.137126][   T12]  ? __send_to_port (drivers/char/virtio_console.c:654)
[  170.137128][   T12]  ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4116 (discriminator 3) kernel/rcu/tree.c:4108 (discriminator 3))
[  170.137131][   T12]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380)
[  170.137134][   T12]  ? validate_chain (kernel/locking/lockdep.c:3817 (discriminator 2) kernel/locking/lockdep.c:3837 (discriminator 2) kernel/locking/lockdep.c:3892 (discriminator 2))
[  170.137139][   T12]  hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2))
[  170.137143][   T12]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[  170.137149][   T12]  ? hvc_write (drivers/tty/hvc/hvc_console.c:501)
[  170.137152][   T12]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  170.137157][   T12]  console_emit_next_record (kernel/printk/printk.c:3183)
[  170.137163][   T12]  ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20)
[  170.137166][   T12]  ? 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))
[  170.137170][   T12]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  170.137172][   T12]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  170.137176][   T12]  console_flush_one_record (kernel/printk/printk.c:3268)
[  170.137181][   T12]  ? console_emit_next_record (kernel/printk/printk.c:3150)
[  170.137183][   T12]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[  170.137188][   T12]  console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420)
[  170.137192][   T12]  ? console_flush_one_record (kernel/printk/printk.c:3316)
[  170.137194][   T12]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  170.137195][   T12]  ? 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)
[  170.137199][   T12]  ? __down_trylock_console_sem (kernel/printk/printk.c:334)
[  170.137201][   T12]  ? vprintk_emit (kernel/printk/printk.c:2478)
[  170.137204][   T12]  vprintk_emit (kernel/printk/printk.c:2479)
[  170.137207][   T12]  ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126))
[  170.137208][   T12]  ? cleanup_net (net/core/net_namespace.c:706)
[  170.137210][   T12]  ? worker_thread (kernel/workqueue.c:3470 kernel/workqueue.c:3551)
[  170.137212][   T12]  ? kthread (kernel/kthread.c:436)
[  170.137215][   T12]  ? ret_from_fork (arch/x86/kernel/process.c:158)
[  170.137217][   T12]  ? ret_from_fork_asm (arch/x86/entry/entry_64.S:245)
[  170.137222][   T12]  _printk (kernel/printk/printk.c:2504)
[  170.137226][   T12]  ? snapshot_read.cold (user.c:?)
[  170.137230][   T12]  ? netdev_name (./include/linux/netdevice.h:5709 (discriminator 1))
[  170.137234][   T12]  ? __netdev_printk (net/core/dev.c:13148 (discriminator 2))
[  170.137238][   T12]  netdev_info (net/core/dev.c:13195 (discriminator 3))
[  170.137242][   T12]  ? netdev_notice (net/core/dev.c:13194)
[  170.137250][   T12]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  170.137252][   T12]  ? __up_read (kernel/locking/rwsem.c:1397 (discriminator 1))
[  170.137254][   T12]  ? down_write_nested (kernel/locking/rwsem.c:1759)
[  170.137256][   T12]  ? 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)
[  170.137259][   T12]  netif_set_allmulti.cold (net/core/dev.c:9731 (discriminator 3))
[  170.137263][   T12]  dev_set_allmulti (net/core/dev_api.c:315)
[  170.137266][   T12]  del_nbp (net/bridge/br_if.c:253 net/bridge/br_if.c:341)
[  170.137273][   T12]  br_dev_delete (net/bridge/br_if.c:387)
[  170.137277][   T12]  br_net_exit_rtnl (net/bridge/br.c:414)
[  170.137280][   T12]  ops_undo_list (net/core/net_namespace.c:181 net/core/net_namespace.c:249)
[  170.137284][   T12]  ? lockdep_hardirqs_on (kernel/locking/lockdep.c:4488)
[  170.137288][   T12]  ? netns_install (./include/linux/ns_common.h:26)
[  170.137289][   T12]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554)
[  170.137293][   T12]  ? idr_destroy (lib/radix-tree.c:310 lib/radix-tree.c:674 lib/radix-tree.c:1563)
[  170.137301][   T12]  cleanup_net (net/core/net_namespace.c:706)
[  170.137304][   T12]  ? net_passive_dec (./include/linux/llist.h:241)
[  170.137308][   T12]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  170.137310][   T12]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  170.137314][   T12]  process_one_work (kernel/workqueue.c:3387)
[  170.137321][   T12]  ? __queue_delayed_work (kernel/workqueue.c:2622)
[  170.137324][   T12]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2))
[  170.137332][   T12]  worker_thread (kernel/workqueue.c:3470 kernel/workqueue.c:3551)
[  170.137339][   T12]  ? rescuer_thread (./include/linux/list.h:419 (discriminator 3))
[  170.137341][   T12]  kthread (kernel/kthread.c:436)
[  170.137343][   T12]  ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22))
[  170.137348][   T12]  ? kthread_affine_preferred (kernel/kthread.c:857)
[  170.137353][   T12]  ret_from_fork (arch/x86/kernel/process.c:158)
[  170.137356][   T12]  ? arch_exit_to_user_mode_prepare.isra.0 (arch/x86/entry/vdso/vma.c:80 (discriminator 1))
[  170.137359][   T12]  ? __switch_to (arch/x86/kernel/process_64.c:403 arch/x86/kernel/process_64.c:663)
[  170.137363][   T12]  ? kthread_affine_preferred (kernel/kthread.c:857)
[  170.137366][   T12]  ret_from_fork_asm (arch/x86/entry/entry_64.S:245)
| [  174.463294][ T5063] softirqs last disabled at (37788): __alloc_skb (./include/linux/bottom_half.h:20 (discriminator 2) net/core/skbuff.c:697 (discriminator 2))
| [  174.463297][ T5063] Preemption disabled at:
| [  174.463297][ T5063] vprintk_emit (kernel/printk/printk.c:2471)
| [  174.463306][ T5063] Tainted: [W]=WARN
[  174.463306][ T5063] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[  174.463308][ T5063] Call Trace:
[  174.463310][ T5063]  <TASK>
[  174.463311][ T5063]  dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120)
[  174.463317][ T5063]  ? vprintk_emit (kernel/printk/printk.c:2471)
[  174.463319][ T5063]  __might_resched.cold (kernel/sched/core.c:9234)
[  174.463323][ T5063]  ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3))
[  174.463327][ T5063]  ? __kmalloc_noprof (./include/linux/sched/mm.h:317 mm/slub.c:4636 mm/slub.c:4974 mm/slub.c:5413 mm/slub.c:5439)
[  174.463332][ T5063]  __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))
[  174.463334][ T5063]  ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[  174.463340][ T5063]  ? 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)
[  174.463343][ T5063]  alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[  174.463348][ T5063]  put_chars (drivers/char/virtio_console.c:1176)
[  174.463352][ T5063]  ? __send_to_port (drivers/char/virtio_console.c:654)
[  174.463354][ T5063]  ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4116 (discriminator 3) kernel/rcu/tree.c:4108 (discriminator 3))
[  174.463359][ T5063]  ? validate_chain (kernel/locking/lockdep.c:3817 (discriminator 2) kernel/locking/lockdep.c:3837 (discriminator 2) kernel/locking/lockdep.c:3892 (discriminator 2))
[  174.463364][ T5063]  hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2))
[  174.463372][ T5063]  ? hvc_write (drivers/tty/hvc/hvc_console.c:501)
[  174.463374][ T5063]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  174.463376][ T5063]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  174.463381][ T5063]  console_emit_next_record (kernel/printk/printk.c:3183)
[  174.463385][ T5063]  ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20)
[  174.463386][ T5063]  ? 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))
[  174.463390][ T5063]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  174.463391][ T5063]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  174.463395][ T5063]  console_flush_one_record (kernel/printk/printk.c:3268)
[  174.463399][ T5063]  ? console_emit_next_record (kernel/printk/printk.c:3150)
[  174.463401][ T5063]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[  174.463406][ T5063]  console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420)
[  174.463409][ T5063]  ? console_flush_one_record (kernel/printk/printk.c:3316)
[  174.463411][ T5063]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  174.463413][ T5063]  ? 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)
[  174.463416][ T5063]  ? __down_trylock_console_sem (kernel/printk/printk.c:334)
[  174.463418][ T5063]  ? vprintk_emit (kernel/printk/printk.c:2478)
[  174.463421][ T5063]  vprintk_emit (kernel/printk/printk.c:2479)
[  174.463424][ T5063]  ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126))
[  174.463426][ T5063]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554)
[  174.463428][ T5063]  ? mark_held_locks (kernel/locking/lockdep.c:4341)
[  174.463432][ T5063]  _printk (kernel/printk/printk.c:2504)
[  174.463436][ T5063]  ? snapshot_read.cold (user.c:?)
[  174.463439][ T5063]  ? br_multicast_flood (??:?)
[  174.463443][ T5063]  ? do_setlink.isra.0 (net/core/rtnetlink.c:3273 (discriminator 1))
[  174.463445][ T5063]  ? rtnl_newlink (net/core/rtnetlink.c:4215)
[  174.463447][ T5063]  ? rtnetlink_rcv_msg (net/core/rtnetlink.c:7132)
[  174.463454][ T5063]  br_set_state (net/bridge/br_stp.c:57 (discriminator 2))
[  174.463458][ T5063]  br_init_port (net/bridge/br_stp_if.c:39)
[  174.463461][ T5063]  new_nbp (net/bridge/br_if.c:449)
[  174.463464][ T5063]  br_add_if (net/bridge/br_if.c:592)
[  174.463467][ T5063]  ? is_bpf_text_address (./include/linux/rcupdate.h:882 kernel/bpf/core.c:751)
[  174.463471][ T5063]  ? kernel_text_address (kernel/extable.c:125 kernel/extable.c:94)
[  174.463476][ T5063]  do_set_master (net/core/rtnetlink.c:3071)
[  174.463479][ T5063]  do_setlink.isra.0 (net/core/rtnetlink.c:3273 (discriminator 1))
[  174.463483][ T5063]  ? stack_trace_save (kernel/stacktrace.c:122 (discriminator 1))
[  174.463488][ T5063]  ? rtnl_link_get_size (net/core/rtnetlink.c:747)
[  174.463490][ T5063]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:388 kernel/rcu/update.c:380)
[  174.463493][ T5063]  ? stack_depot_save_flags (lib/stackdepot.c:609 (discriminator 2) lib/stackdepot.c:676 (discriminator 2))
[  174.463497][ T5063]  ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4116 (discriminator 3) kernel/rcu/tree.c:4108 (discriminator 3))
[  174.463499][ T5063]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380)
[  174.463501][ T5063]  ? validate_chain (kernel/locking/lockdep.c:3817 (discriminator 2) kernel/locking/lockdep.c:3837 (discriminator 2) kernel/locking/lockdep.c:3892 (discriminator 2))
[  174.463503][ T5063]  ? kasan_save_stack (mm/kasan/common.c:58)
[  174.463506][ T5063]  ? kasan_save_stack (mm/kasan/common.c:57)
[  174.463507][ T5063]  ? kasan_save_track (mm/kasan/common.c:78)
[  174.463508][ T5063]  ? __kasan_kmalloc (mm/kasan/common.c:398 mm/kasan/common.c:415)
[  174.463510][ T5063]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[  174.463512][ T5063]  ? snd_ac97_proc_read_main (sound/pci/ac97/ac97_proc.c:320)
[  174.463515][ T5063]  ? ___sys_sendmsg (net/socket.c:2758)
[  174.463519][ T5063]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2))
[  174.463521][ T5063]  ? rtnl_newlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:366 net/core/rtnetlink.c:4214)
[  174.463524][ T5063]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  174.463525][ T5063]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  174.463527][ T5063]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  174.463528][ T5063]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  174.463529][ T5063]  ? trace_contention_end (./include/trace/events/lock.h:121 (discriminator 22))
[  174.463532][ T5063]  ? __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)
[  174.463534][ T5063]  ? __mutex_lock (kernel/locking/mutex.c:656 (discriminator 1) kernel/locking/mutex.c:821 (discriminator 1))
[  174.463536][ T5063]  ? rtnl_newlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:366 net/core/rtnetlink.c:4214)
[  174.463539][ T5063]  ? ww_mutex_lock (kernel/locking/mutex.c:934)
[  174.463540][ T5063]  ? nla_get_range_signed (lib/nlattr.c:270)
[  174.463545][ T5063]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  174.463547][ T5063]  ? __rtnl_newlink (net/core/rtnetlink.c:4063)
[  174.463552][ T5063]  rtnl_newlink (net/core/rtnetlink.c:4215)
[  174.463558][ T5063]  ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558)
[  174.463559][ T5063]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[  174.463564][ T5063]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2))
[  174.463566][ T5063]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[  174.463568][ T5063]  ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558)
[  174.463570][ T5063]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554)
[  174.463574][ T5063]  ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558)
[  174.463576][ T5063]  rtnetlink_rcv_msg (net/core/rtnetlink.c:7132)
[  174.463578][ T5063]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[  174.463580][ T5063]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[  174.463586][ T5063]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2))
[  174.463589][ T5063]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[  174.463594][ T5063]  netlink_rcv_skb (net/netlink/af_netlink.c:2556)
[  174.463597][ T5063]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[  174.463600][ T5063]  ? netlink_ack (./include/linux/skbuff.h:2718)
[  174.463606][ T5063]  ? 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))
[  174.463608][ T5063]  ? 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))
[  174.463614][ T5063]  netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[  174.463620][ T5063]  ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[  174.463622][ T5063]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[  174.463627][ T5063]  netlink_sendmsg (net/netlink/af_netlink.c:1900)
[  174.463630][ T5063]  ? netlink_unicast (./include/net/net_namespace.h:422 (discriminator 7))
[  174.463634][ T5063]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554)
[  174.463636][ T5063]  ? __import_iovec (lib/iov_iter.c:1358 lib/iov_iter.c:1373)
[  174.463641][ T5063]  __sock_sendmsg (net/socket.c:800 (discriminator 4) net/socket.c:815 (discriminator 4))
[  174.463644][ T5063]  ____sys_sendmsg (net/socket.c:2713)
[  174.463646][ T5063]  ? copy_msghdr_from_user (net/socket.c:2650)
[  174.463648][ T5063]  ? sock_write_iter (net/socket.c:1269)
[  174.463650][ T5063]  ? move_addr_to_kernel (net/socket.c:258)
[  174.463657][ T5063]  ___sys_sendmsg (net/socket.c:2767)
[  174.463660][ T5063]  ? copy_msghdr_from_user (net/socket.c:2619)
[  174.463677][ T5063]  __sys_sendmsg (net/socket.c:2799)
[  174.463680][ T5063]  ? __sys_sendmsg_sock (net/socket.c:2780)
[  174.463687][ T5063]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  174.463690][ T5063]  do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84)
[  174.463693][ T5063]  ? exc_page_fault (arch/x86/mm/fault.c:1489 (discriminator 3) arch/x86/mm/fault.c:1536 (discriminator 3))
[  174.463697][ T5063]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[  174.463699][ T5063] RIP: 0033:0x7fe65fe3a54e
[  174.463703][ T5063] 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
[  174.463705][ T5063] RSP: 002b:00007fff18e5de30 EFLAGS: 00000202 ORIG_RAX: 000000000000002e
[  174.463708][ T5063] RAX: ffffffffffffffda RBX: 0000000000000003 RCX: 00007fe65fe3a54e
[  174.463709][ T5063] RDX: 0000000000000000 RSI: 00007fff18e5dee0 RDI: 0000000000000005
[  174.463710][ T5063] RBP: 00007fff18e5de40 R08: 0000000000000000 R09: 0000000000000000
[  174.463711][ T5063] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a90fc9a
[  174.463712][ T5063] R13: 00000000004a1620 R14: 0000000000000000 R15: 00007fff18e5e5a0
| [  178.867366][   T12] softirqs last disabled at (5453274): vxlan_flush (./include/linux/spinlock.h:353 drivers/net/vxlan/vxlan_core.c:3094) vxlan
| [  178.867370][   T12] Preemption disabled at:
| [  178.867370][   T12] vprintk_emit (kernel/printk/printk.c:2471)
| [  178.867379][   T12] Tainted: [W]=WARN
[  178.867380][   T12] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[  178.867382][   T12] Workqueue: netns cleanup_net
[  178.867385][   T12] Call Trace:
[  178.867387][   T12]  <TASK>
[  178.867389][   T12]  dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120)
[  178.867395][   T12]  ? vprintk_emit (kernel/printk/printk.c:2471)
[  178.867397][   T12]  __might_resched.cold (kernel/sched/core.c:9234)
[  178.867402][   T12]  ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3))
[  178.867406][   T12]  ? __kmalloc_noprof (./include/linux/sched/mm.h:317 mm/slub.c:4636 mm/slub.c:4974 mm/slub.c:5413 mm/slub.c:5439)
[  178.867410][   T12]  __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))
[  178.867412][   T12]  ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[  178.867419][   T12]  ? 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)
[  178.867422][   T12]  alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[  178.867426][   T12]  put_chars (drivers/char/virtio_console.c:1176)
[  178.867428][   T12]  ? __send_to_port (drivers/char/virtio_console.c:654)
[  178.867430][   T12]  ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4116 (discriminator 3) kernel/rcu/tree.c:4108 (discriminator 3))
[  178.867433][   T12]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380)
[  178.867436][   T12]  ? validate_chain (kernel/locking/lockdep.c:3817 (discriminator 2) kernel/locking/lockdep.c:3837 (discriminator 2) kernel/locking/lockdep.c:3892 (discriminator 2))
[  178.867442][   T12]  hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2))
[  178.867446][   T12]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[  178.867452][   T12]  ? hvc_write (drivers/tty/hvc/hvc_console.c:501)
[  178.867456][   T12]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  178.867461][   T12]  console_emit_next_record (kernel/printk/printk.c:3183)
[  178.867465][   T12]  ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20)
[  178.867467][   T12]  ? 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))
[  178.867470][   T12]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  178.867472][   T12]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  178.867476][   T12]  console_flush_one_record (kernel/printk/printk.c:3268)
[  178.867481][   T12]  ? console_emit_next_record (kernel/printk/printk.c:3150)
[  178.867483][   T12]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[  178.867489][   T12]  console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420)
[  178.867492][   T12]  ? console_flush_one_record (kernel/printk/printk.c:3316)
[  178.867494][   T12]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  178.867496][   T12]  ? 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)
[  178.867500][   T12]  ? __down_trylock_console_sem (kernel/printk/printk.c:334)
[  178.867502][   T12]  ? vprintk_emit (kernel/printk/printk.c:2478)
[  178.867505][   T12]  vprintk_emit (kernel/printk/printk.c:2479)
[  178.867509][   T12]  ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126))
[  178.867510][   T12]  ? cleanup_net (net/core/net_namespace.c:706)
[  178.867512][   T12]  ? worker_thread (kernel/workqueue.c:3470 kernel/workqueue.c:3551)
[  178.867514][   T12]  ? kthread (kernel/kthread.c:436)
[  178.867516][   T12]  ? ret_from_fork (arch/x86/kernel/process.c:158)
[  178.867519][   T12]  ? ret_from_fork_asm (arch/x86/entry/entry_64.S:245)
[  178.867524][   T12]  _printk (kernel/printk/printk.c:2504)
[  178.867528][   T12]  ? snapshot_read.cold (user.c:?)
[  178.867533][   T12]  ? netdev_name (./include/linux/netdevice.h:5709 (discriminator 1))
[  178.867537][   T12]  ? __netdev_printk (net/core/dev.c:13148 (discriminator 2))
[  178.867541][   T12]  netdev_info (net/core/dev.c:13195 (discriminator 3))
[  178.867544][   T12]  ? netdev_notice (net/core/dev.c:13194)
[  178.867549][   T12]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  178.867551][   T12]  ? __up_read (kernel/locking/rwsem.c:1397 (discriminator 1))
[  178.867553][   T12]  ? down_write_nested (kernel/locking/rwsem.c:1759)
[  178.867555][   T12]  ? 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)
[  178.867558][   T12]  netif_set_allmulti.cold (net/core/dev.c:9731 (discriminator 3))
[  178.867562][   T12]  dev_set_allmulti (net/core/dev_api.c:315)
[  178.867566][   T12]  del_nbp (net/bridge/br_if.c:253 net/bridge/br_if.c:341)
[  178.867572][   T12]  br_dev_delete (net/bridge/br_if.c:387)
[  178.867576][   T12]  br_net_exit_rtnl (net/bridge/br.c:414)
[  178.867580][   T12]  ops_undo_list (net/core/net_namespace.c:181 net/core/net_namespace.c:249)
[  178.867583][   T12]  ? lockdep_hardirqs_on (kernel/locking/lockdep.c:4488)
[  178.867587][   T12]  ? netns_install (./include/linux/ns_common.h:26)
[  178.867589][   T12]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554)
[  178.867592][   T12]  ? idr_destroy (lib/radix-tree.c:310 lib/radix-tree.c:674 lib/radix-tree.c:1563)
[  178.867597][   T12]  cleanup_net (net/core/net_namespace.c:706)
[  178.867601][   T12]  ? net_passive_dec (./include/linux/llist.h:241)
[  178.867605][   T12]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  178.867607][   T12]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  178.867610][   T12]  process_one_work (kernel/workqueue.c:3387)
[  178.867617][   T12]  ? __queue_delayed_work (kernel/workqueue.c:2622)
[  178.867621][   T12]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2))
[  178.867629][   T12]  worker_thread (kernel/workqueue.c:3470 kernel/workqueue.c:3551)
[  178.867636][   T12]  ? rescuer_thread (./include/linux/list.h:419 (discriminator 3))
[  178.867639][   T12]  kthread (kernel/kthread.c:436)
[  178.867641][   T12]  ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22))
[  178.867644][   T12]  ? kthread_affine_preferred (kernel/kthread.c:857)
[  178.867647][   T12]  ret_from_fork (arch/x86/kernel/process.c:158)
[  178.867650][   T12]  ? arch_exit_to_user_mode_prepare.isra.0 (arch/x86/entry/vdso/vma.c:80 (discriminator 1))
[  178.867654][   T12]  ? __switch_to (arch/x86/kernel/process_64.c:403 arch/x86/kernel/process_64.c:663)
[  178.867657][   T12]  ? kthread_affine_preferred (kernel/kthread.c:857)
[  178.867661][   T12]  ret_from_fork_asm (arch/x86/entry/entry_64.S:245)
| [  183.039044][ T5265] softirqs last disabled at (44676): __alloc_skb (./include/linux/bottom_half.h:20 (discriminator 2) net/core/skbuff.c:697 (discriminator 2))
| [  183.039046][ T5265] Preemption disabled at:
| [  183.039047][ T5265] vprintk_emit (kernel/printk/printk.c:2471)
| [  183.039056][ T5265] Tainted: [W]=WARN
[  183.039057][ T5265] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[  183.039058][ T5265] Call Trace:
[  183.039060][ T5265]  <TASK>
[  183.039062][ T5265]  dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120)
[  183.039067][ T5265]  ? vprintk_emit (kernel/printk/printk.c:2471)
[  183.039069][ T5265]  __might_resched.cold (kernel/sched/core.c:9234)
[  183.039074][ T5265]  ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3))
[  183.039080][ T5265]  ? __kmalloc_noprof (./include/linux/sched/mm.h:317 mm/slub.c:4636 mm/slub.c:4974 mm/slub.c:5413 mm/slub.c:5439)
[  183.039085][ T5265]  __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))
[  183.039087][ T5265]  ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[  183.039094][ T5265]  ? 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)
[  183.039097][ T5265]  alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[  183.039101][ T5265]  put_chars (drivers/char/virtio_console.c:1176)
[  183.039103][ T5265]  ? __send_to_port (drivers/char/virtio_console.c:654)
[  183.039104][ T5265]  ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4116 (discriminator 3) kernel/rcu/tree.c:4108 (discriminator 3))
[  183.039108][ T5265]  ? validate_chain (kernel/locking/lockdep.c:3817 (discriminator 2) kernel/locking/lockdep.c:3837 (discriminator 2) kernel/locking/lockdep.c:3892 (discriminator 2))
[  183.039113][ T5265]  hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2))
[  183.039120][ T5265]  ? hvc_write (drivers/tty/hvc/hvc_console.c:501)
[  183.039123][ T5265]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  183.039125][ T5265]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  183.039131][ T5265]  console_emit_next_record (kernel/printk/printk.c:3183)
[  183.039137][ T5265]  ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20)
[  183.039140][ T5265]  ? 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))
[  183.039143][ T5265]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  183.039145][ T5265]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  183.039149][ T5265]  console_flush_one_record (kernel/printk/printk.c:3268)
[  183.039153][ T5265]  ? console_emit_next_record (kernel/printk/printk.c:3150)
[  183.039155][ T5265]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[  183.039160][ T5265]  console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420)
[  183.039163][ T5265]  ? console_flush_one_record (kernel/printk/printk.c:3316)
[  183.039165][ T5265]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  183.039167][ T5265]  ? 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)
[  183.039171][ T5265]  ? __down_trylock_console_sem (kernel/printk/printk.c:334)
[  183.039172][ T5265]  ? vprintk_emit (kernel/printk/printk.c:2478)
[  183.039175][ T5265]  vprintk_emit (kernel/printk/printk.c:2479)
[  183.039178][ T5265]  ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126))
[  183.039180][ T5265]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554)
[  183.039183][ T5265]  ? mark_held_locks (kernel/locking/lockdep.c:4341)
[  183.039186][ T5265]  _printk (kernel/printk/printk.c:2504)
[  183.039190][ T5265]  ? snapshot_read.cold (user.c:?)
[  183.039194][ T5265]  ? br_multicast_flood (??:?)
[  183.039197][ T5265]  ? do_setlink.isra.0 (net/core/rtnetlink.c:3273 (discriminator 1))
[  183.039199][ T5265]  ? rtnl_newlink (net/core/rtnetlink.c:4215)
[  183.039200][ T5265]  ? rtnetlink_rcv_msg (net/core/rtnetlink.c:7132)
[  183.039212][ T5265]  br_set_state (net/bridge/br_stp.c:57 (discriminator 2))
[  183.039216][ T5265]  br_init_port (net/bridge/br_stp_if.c:39)
[  183.039218][ T5265]  new_nbp (net/bridge/br_if.c:449)
[  183.039222][ T5265]  br_add_if (net/bridge/br_if.c:592)
[  183.039225][ T5265]  ? is_bpf_text_address (./include/linux/rcupdate.h:882 kernel/bpf/core.c:751)
[  183.039228][ T5265]  ? kernel_text_address (kernel/extable.c:125 kernel/extable.c:94)
[  183.039234][ T5265]  do_set_master (net/core/rtnetlink.c:3071)
[  183.039237][ T5265]  do_setlink.isra.0 (net/core/rtnetlink.c:3273 (discriminator 1))
[  183.039240][ T5265]  ? stack_trace_save (kernel/stacktrace.c:122 (discriminator 1))
[  183.039244][ T5265]  ? rtnl_link_get_size (net/core/rtnetlink.c:747)
[  183.039245][ T5265]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:388 kernel/rcu/update.c:380)
[  183.039248][ T5265]  ? stack_depot_save_flags (lib/stackdepot.c:609 (discriminator 2) lib/stackdepot.c:676 (discriminator 2))
[  183.039252][ T5265]  ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4116 (discriminator 3) kernel/rcu/tree.c:4108 (discriminator 3))
[  183.039253][ T5265]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380)
[  183.039255][ T5265]  ? validate_chain (kernel/locking/lockdep.c:3817 (discriminator 2) kernel/locking/lockdep.c:3837 (discriminator 2) kernel/locking/lockdep.c:3892 (discriminator 2))
[  183.039258][ T5265]  ? kasan_save_stack (mm/kasan/common.c:58)
[  183.039260][ T5265]  ? kasan_save_stack (mm/kasan/common.c:57)
[  183.039261][ T5265]  ? kasan_save_track (mm/kasan/common.c:78)
[  183.039263][ T5265]  ? __kasan_kmalloc (mm/kasan/common.c:398 mm/kasan/common.c:415)
[  183.039265][ T5265]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[  183.039267][ T5265]  ? snd_ac97_proc_read_main (sound/pci/ac97/ac97_proc.c:320)
[  183.039270][ T5265]  ? ___sys_sendmsg (net/socket.c:2758)
[  183.039276][ T5265]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2))
[  183.039279][ T5265]  ? rtnl_newlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:366 net/core/rtnetlink.c:4214)
[  183.039281][ T5265]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  183.039283][ T5265]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  183.039285][ T5265]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  183.039286][ T5265]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  183.039287][ T5265]  ? trace_contention_end (./include/trace/events/lock.h:121 (discriminator 22))
[  183.039290][ T5265]  ? __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)
[  183.039293][ T5265]  ? __mutex_lock (kernel/locking/mutex.c:656 (discriminator 1) kernel/locking/mutex.c:821 (discriminator 1))
[  183.039296][ T5265]  ? rtnl_newlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:366 net/core/rtnetlink.c:4214)
[  183.039302][ T5265]  ? ww_mutex_lock (kernel/locking/mutex.c:934)
[  183.039303][ T5265]  ? nla_get_range_signed (lib/nlattr.c:270)
[  183.039308][ T5265]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  183.039311][ T5265]  ? __rtnl_newlink (net/core/rtnetlink.c:4063)
[  183.039316][ T5265]  rtnl_newlink (net/core/rtnetlink.c:4215)
[  183.039321][ T5265]  ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558)
[  183.039323][ T5265]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[  183.039328][ T5265]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2))
[  183.039330][ T5265]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[  183.039332][ T5265]  ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558)
[  183.039334][ T5265]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554)
[  183.039337][ T5265]  ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558)
[  183.039339][ T5265]  rtnetlink_rcv_msg (net/core/rtnetlink.c:7132)
[  183.039343][ T5265]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[  183.039344][ T5265]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[  183.039352][ T5265]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2))
[  183.039355][ T5265]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[  183.039359][ T5265]  netlink_rcv_skb (net/netlink/af_netlink.c:2556)
[  183.039363][ T5265]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[  183.039366][ T5265]  ? netlink_ack (./include/linux/skbuff.h:2718)
[  183.039372][ T5265]  ? 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))
[  183.039374][ T5265]  ? 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))
[  183.039378][ T5265]  netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[  183.039382][ T5265]  ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[  183.039385][ T5265]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[  183.039389][ T5265]  netlink_sendmsg (net/netlink/af_netlink.c:1900)
[  183.039393][ T5265]  ? netlink_unicast (./include/net/net_namespace.h:422 (discriminator 7))
[  183.039397][ T5265]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554)
[  183.039399][ T5265]  ? __import_iovec (lib/iov_iter.c:1358 lib/iov_iter.c:1373)
[  183.039404][ T5265]  __sock_sendmsg (net/socket.c:800 (discriminator 4) net/socket.c:815 (discriminator 4))
[  183.039407][ T5265]  ____sys_sendmsg (net/socket.c:2713)
[  183.039409][ T5265]  ? copy_msghdr_from_user (net/socket.c:2650)
[  183.039411][ T5265]  ? sock_write_iter (net/socket.c:1269)
[  183.039413][ T5265]  ? move_addr_to_kernel (net/socket.c:258)
[  183.039420][ T5265]  ___sys_sendmsg (net/socket.c:2767)
[  183.039425][ T5265]  ? copy_msghdr_from_user (net/socket.c:2619)
[  183.039445][ T5265]  __sys_sendmsg (net/socket.c:2799)
[  183.039448][ T5265]  ? __sys_sendmsg_sock (net/socket.c:2780)
[  183.039454][ T5265]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  183.039457][ T5265]  do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84)
[  183.039460][ T5265]  ? exc_page_fault (arch/x86/mm/fault.c:1489 (discriminator 3) arch/x86/mm/fault.c:1536 (discriminator 3))
[  183.039463][ T5265]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[  183.039466][ T5265] RIP: 0033:0x7ff5f133f54e
[  183.039470][ T5265] 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
[  183.039471][ T5265] RSP: 002b:00007fffb1af1040 EFLAGS: 00000202 ORIG_RAX: 000000000000002e
[  183.039474][ T5265] RAX: ffffffffffffffda RBX: 0000000000000003 RCX: 00007ff5f133f54e
[  183.039476][ T5265] RDX: 0000000000000000 RSI: 00007fffb1af10f0 RDI: 0000000000000005
[  183.039477][ T5265] RBP: 00007fffb1af1050 R08: 0000000000000000 R09: 0000000000000000
[  183.039477][ T5265] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a90fca3
[  183.039478][ T5265] R13: 00000000004a1620 R14: 0000000000000000 R15: 00007fffb1af17b0
| [  187.386976][   T12] softirqs last disabled at (5662360): vxlan_flush (./include/linux/spinlock.h:353 drivers/net/vxlan/vxlan_core.c:3094) vxlan
| [  187.386980][   T12] Preemption disabled at:
| [  187.386981][   T12] vprintk_emit (kernel/printk/printk.c:2471)
| [  187.386990][   T12] Tainted: [W]=WARN
[  187.386991][   T12] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[  187.386993][   T12] Workqueue: netns cleanup_net
[  187.386996][   T12] Call Trace:
[  187.386997][   T12]  <TASK>
[  187.387000][   T12]  dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120)
[  187.387006][   T12]  ? vprintk_emit (kernel/printk/printk.c:2471)
[  187.387007][   T12]  __might_resched.cold (kernel/sched/core.c:9234)
[  187.387012][   T12]  ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3))
[  187.387016][   T12]  ? __kmalloc_noprof (./include/linux/sched/mm.h:317 mm/slub.c:4636 mm/slub.c:4974 mm/slub.c:5413 mm/slub.c:5439)
[  187.387021][   T12]  __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))
[  187.387023][   T12]  ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[  187.387030][   T12]  ? 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)
[  187.387032][   T12]  alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[  187.387036][   T12]  put_chars (drivers/char/virtio_console.c:1176)
[  187.387039][   T12]  ? __send_to_port (drivers/char/virtio_console.c:654)
[  187.387040][   T12]  ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4116 (discriminator 3) kernel/rcu/tree.c:4108 (discriminator 3))
[  187.387044][   T12]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380)
[  187.387047][   T12]  ? validate_chain (kernel/locking/lockdep.c:3817 (discriminator 2) kernel/locking/lockdep.c:3837 (discriminator 2) kernel/locking/lockdep.c:3892 (discriminator 2))
[  187.387052][   T12]  hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2))
[  187.387057][   T12]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[  187.387065][   T12]  ? hvc_write (drivers/tty/hvc/hvc_console.c:501)
[  187.387068][   T12]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  187.387073][   T12]  console_emit_next_record (kernel/printk/printk.c:3183)
[  187.387077][   T12]  ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20)
[  187.387080][   T12]  ? 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))
[  187.387083][   T12]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  187.387085][   T12]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  187.387089][   T12]  console_flush_one_record (kernel/printk/printk.c:3268)
[  187.387094][   T12]  ? console_emit_next_record (kernel/printk/printk.c:3150)
[  187.387096][   T12]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[  187.387101][   T12]  console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420)
[  187.387105][   T12]  ? console_flush_one_record (kernel/printk/printk.c:3316)
[  187.387107][   T12]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  187.387111][   T12]  ? 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)
[  187.387116][   T12]  ? __down_trylock_console_sem (kernel/printk/printk.c:334)
[  187.387119][   T12]  ? vprintk_emit (kernel/printk/printk.c:2478)
[  187.387122][   T12]  vprintk_emit (kernel/printk/printk.c:2479)
[  187.387125][   T12]  ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126))
[  187.387126][   T12]  ? cleanup_net (net/core/net_namespace.c:706)
[  187.387128][   T12]  ? worker_thread (kernel/workqueue.c:3470 kernel/workqueue.c:3551)
[  187.387130][   T12]  ? kthread (kernel/kthread.c:436)
[  187.387133][   T12]  ? ret_from_fork (arch/x86/kernel/process.c:158)
[  187.387135][   T12]  ? ret_from_fork_asm (arch/x86/entry/entry_64.S:245)
[  187.387140][   T12]  _printk (kernel/printk/printk.c:2504)
[  187.387144][   T12]  ? snapshot_read.cold (user.c:?)
[  187.387149][   T12]  ? netdev_name (./include/linux/netdevice.h:5709 (discriminator 1))
[  187.387152][   T12]  ? __netdev_printk (net/core/dev.c:13148 (discriminator 2))
[  187.387156][   T12]  netdev_info (net/core/dev.c:13195 (discriminator 3))
[  187.387160][   T12]  ? netdev_notice (net/core/dev.c:13194)
[  187.387164][   T12]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  187.387168][   T12]  ? __up_read (kernel/locking/rwsem.c:1397 (discriminator 1))
[  187.387172][   T12]  ? down_write_nested (kernel/locking/rwsem.c:1759)
[  187.387175][   T12]  ? 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)
[  187.387178][   T12]  netif_set_allmulti.cold (net/core/dev.c:9731 (discriminator 3))
[  187.387182][   T12]  dev_set_allmulti (net/core/dev_api.c:315)
[  187.387186][   T12]  del_nbp (net/bridge/br_if.c:253 net/bridge/br_if.c:341)
[  187.387193][   T12]  br_dev_delete (net/bridge/br_if.c:387)
[  187.387197][   T12]  br_net_exit_rtnl (net/bridge/br.c:414)
[  187.387200][   T12]  ops_undo_list (net/core/net_namespace.c:181 net/core/net_namespace.c:249)
[  187.387204][   T12]  ? lockdep_hardirqs_on (kernel/locking/lockdep.c:4488)
[  187.387208][   T12]  ? netns_install (./include/linux/ns_common.h:26)
[  187.387210][   T12]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554)
[  187.387215][   T12]  ? idr_destroy (lib/radix-tree.c:310 lib/radix-tree.c:674 lib/radix-tree.c:1563)
[  187.387222][   T12]  cleanup_net (net/core/net_namespace.c:706)
[  187.387225][   T12]  ? net_passive_dec (./include/linux/llist.h:241)
[  187.387229][   T12]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  187.387231][   T12]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  187.387234][   T12]  process_one_work (kernel/workqueue.c:3387)
[  187.387250][   T12]  ? __queue_delayed_work (kernel/workqueue.c:2622)
[  187.387254][   T12]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2))
[  187.387262][   T12]  worker_thread (kernel/workqueue.c:3470 kernel/workqueue.c:3551)
[  187.387273][   T12]  ? rescuer_thread (./include/linux/list.h:419 (discriminator 3))
[  187.387275][   T12]  kthread (kernel/kthread.c:436)
[  187.387277][   T12]  ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22))
[  187.387281][   T12]  ? kthread_affine_preferred (kernel/kthread.c:857)
[  187.387284][   T12]  ret_from_fork (arch/x86/kernel/process.c:158)
[  187.387287][   T12]  ? arch_exit_to_user_mode_prepare.isra.0 (arch/x86/entry/vdso/vma.c:80 (discriminator 1))
[  187.387290][   T12]  ? __switch_to (arch/x86/kernel/process_64.c:403 arch/x86/kernel/process_64.c:663)
[  187.387294][   T12]  ? kthread_affine_preferred (kernel/kthread.c:857)
[  187.387297][   T12]  ret_from_fork_asm (arch/x86/entry/entry_64.S:245)
| [  191.651456][ T5479] softirqs last disabled at (42044): __alloc_skb (./include/linux/bottom_half.h:20 (discriminator 2) net/core/skbuff.c:697 (discriminator 2))
| [  191.651459][ T5479] Preemption disabled at:
| [  191.651459][ T5479] vprintk_emit (kernel/printk/printk.c:2471)
| [  191.651468][ T5479] Tainted: [W]=WARN
[  191.651469][ T5479] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[  191.651470][ T5479] Call Trace:
[  191.651472][ T5479]  <TASK>
[  191.651473][ T5479]  dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120)
[  191.651479][ T5479]  ? vprintk_emit (kernel/printk/printk.c:2471)
[  191.651481][ T5479]  __might_resched.cold (kernel/sched/core.c:9234)
[  191.651486][ T5479]  ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3))
[  191.651492][ T5479]  ? __kmalloc_noprof (./include/linux/sched/mm.h:317 mm/slub.c:4636 mm/slub.c:4974 mm/slub.c:5413 mm/slub.c:5439)
[  191.651496][ T5479]  __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))
[  191.651498][ T5479]  ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[  191.651505][ T5479]  ? 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)
[  191.651507][ T5479]  alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[  191.651511][ T5479]  put_chars (drivers/char/virtio_console.c:1176)
[  191.651514][ T5479]  ? __send_to_port (drivers/char/virtio_console.c:654)
[  191.651515][ T5479]  ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4116 (discriminator 3) kernel/rcu/tree.c:4108 (discriminator 3))
[  191.651518][ T5479]  ? validate_chain (kernel/locking/lockdep.c:3817 (discriminator 2) kernel/locking/lockdep.c:3837 (discriminator 2) kernel/locking/lockdep.c:3892 (discriminator 2))
[  191.651524][ T5479]  hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2))
[  191.651535][ T5479]  ? hvc_write (drivers/tty/hvc/hvc_console.c:501)
[  191.651537][ T5479]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  191.651539][ T5479]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  191.651543][ T5479]  console_emit_next_record (kernel/printk/printk.c:3183)
[  191.651548][ T5479]  ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20)
[  191.651549][ T5479]  ? 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))
[  191.651553][ T5479]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  191.651554][ T5479]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  191.651558][ T5479]  console_flush_one_record (kernel/printk/printk.c:3268)
[  191.651563][ T5479]  ? console_emit_next_record (kernel/printk/printk.c:3150)
[  191.651565][ T5479]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[  191.651572][ T5479]  console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420)
[  191.651576][ T5479]  ? console_flush_one_record (kernel/printk/printk.c:3316)
[  191.651578][ T5479]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  191.651580][ T5479]  ? 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)
[  191.651583][ T5479]  ? __down_trylock_console_sem (kernel/printk/printk.c:334)
[  191.651585][ T5479]  ? vprintk_emit (kernel/printk/printk.c:2478)
[  191.651588][ T5479]  vprintk_emit (kernel/printk/printk.c:2479)
[  191.651591][ T5479]  ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126))
[  191.651593][ T5479]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554)
[  191.651596][ T5479]  ? mark_held_locks (kernel/locking/lockdep.c:4341)
[  191.651599][ T5479]  _printk (kernel/printk/printk.c:2504)
[  191.651603][ T5479]  ? snapshot_read.cold (user.c:?)
[  191.651606][ T5479]  ? br_multicast_flood (??:?)
[  191.651610][ T5479]  ? do_setlink.isra.0 (net/core/rtnetlink.c:3273 (discriminator 1))
[  191.651612][ T5479]  ? rtnl_newlink (net/core/rtnetlink.c:4215)
[  191.651614][ T5479]  ? rtnetlink_rcv_msg (net/core/rtnetlink.c:7132)
[  191.651620][ T5479]  br_set_state (net/bridge/br_stp.c:57 (discriminator 2))
[  191.651624][ T5479]  br_init_port (net/bridge/br_stp_if.c:39)
[  191.651627][ T5479]  new_nbp (net/bridge/br_if.c:449)
[  191.651631][ T5479]  br_add_if (net/bridge/br_if.c:592)
[  191.651633][ T5479]  ? is_bpf_text_address (./include/linux/rcupdate.h:882 kernel/bpf/core.c:751)
[  191.651637][ T5479]  ? kernel_text_address (kernel/extable.c:125 kernel/extable.c:94)
[  191.651642][ T5479]  do_set_master (net/core/rtnetlink.c:3071)
[  191.651645][ T5479]  do_setlink.isra.0 (net/core/rtnetlink.c:3273 (discriminator 1))
[  191.651649][ T5479]  ? stack_trace_save (kernel/stacktrace.c:122 (discriminator 1))
[  191.651652][ T5479]  ? rtnl_link_get_size (net/core/rtnetlink.c:747)
[  191.651653][ T5479]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:388 kernel/rcu/update.c:380)
[  191.651656][ T5479]  ? stack_depot_save_flags (lib/stackdepot.c:609 (discriminator 2) lib/stackdepot.c:676 (discriminator 2))
[  191.651660][ T5479]  ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4116 (discriminator 3) kernel/rcu/tree.c:4108 (discriminator 3))
[  191.651663][ T5479]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380)
[  191.651666][ T5479]  ? validate_chain (kernel/locking/lockdep.c:3817 (discriminator 2) kernel/locking/lockdep.c:3837 (discriminator 2) kernel/locking/lockdep.c:3892 (discriminator 2))
[  191.651669][ T5479]  ? kasan_save_stack (mm/kasan/common.c:58)
[  191.651671][ T5479]  ? kasan_save_stack (mm/kasan/common.c:57)
[  191.651673][ T5479]  ? kasan_save_track (mm/kasan/common.c:78)
[  191.651674][ T5479]  ? __kasan_kmalloc (mm/kasan/common.c:398 mm/kasan/common.c:415)
[  191.651676][ T5479]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[  191.651678][ T5479]  ? snd_ac97_proc_read_main (sound/pci/ac97/ac97_proc.c:320)
[  191.651681][ T5479]  ? ___sys_sendmsg (net/socket.c:2758)
[  191.651685][ T5479]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2))
[  191.651687][ T5479]  ? rtnl_newlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:366 net/core/rtnetlink.c:4214)
[  191.651690][ T5479]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  191.651691][ T5479]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  191.651693][ T5479]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  191.651694][ T5479]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  191.651696][ T5479]  ? trace_contention_end (./include/trace/events/lock.h:121 (discriminator 22))
[  191.651698][ T5479]  ? __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)
[  191.651701][ T5479]  ? __mutex_lock (kernel/locking/mutex.c:656 (discriminator 1) kernel/locking/mutex.c:821 (discriminator 1))
[  191.651704][ T5479]  ? rtnl_newlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:366 net/core/rtnetlink.c:4214)
[  191.651710][ T5479]  ? ww_mutex_lock (kernel/locking/mutex.c:934)
[  191.651711][ T5479]  ? nla_get_range_signed (lib/nlattr.c:270)
[  191.651716][ T5479]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  191.651718][ T5479]  ? __rtnl_newlink (net/core/rtnetlink.c:4063)
[  191.651723][ T5479]  rtnl_newlink (net/core/rtnetlink.c:4215)
[  191.651729][ T5479]  ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558)
[  191.651731][ T5479]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[  191.651735][ T5479]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2))
[  191.651737][ T5479]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[  191.651739][ T5479]  ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558)
[  191.651741][ T5479]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554)
[  191.651745][ T5479]  ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558)
[  191.651748][ T5479]  rtnetlink_rcv_msg (net/core/rtnetlink.c:7132)
[  191.651753][ T5479]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[  191.651755][ T5479]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[  191.651760][ T5479]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2))
[  191.651762][ T5479]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[  191.651765][ T5479]  netlink_rcv_skb (net/netlink/af_netlink.c:2556)
[  191.651768][ T5479]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[  191.651771][ T5479]  ? netlink_ack (./include/linux/skbuff.h:2718)
[  191.651778][ T5479]  ? 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))
[  191.651780][ T5479]  ? 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))
[  191.651784][ T5479]  netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[  191.651788][ T5479]  ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[  191.651791][ T5479]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[  191.651795][ T5479]  netlink_sendmsg (net/netlink/af_netlink.c:1900)
[  191.651799][ T5479]  ? netlink_unicast (./include/net/net_namespace.h:422 (discriminator 7))
[  191.651803][ T5479]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554)
[  191.651805][ T5479]  ? __import_iovec (lib/iov_iter.c:1358 lib/iov_iter.c:1373)
[  191.651810][ T5479]  __sock_sendmsg (net/socket.c:800 (discriminator 4) net/socket.c:815 (discriminator 4))
[  191.651813][ T5479]  ____sys_sendmsg (net/socket.c:2713)
[  191.651815][ T5479]  ? copy_msghdr_from_user (net/socket.c:2650)
[  191.651817][ T5479]  ? sock_write_iter (net/socket.c:1269)
[  191.651819][ T5479]  ? move_addr_to_kernel (net/socket.c:258)
[  191.651826][ T5479]  ___sys_sendmsg (net/socket.c:2767)
[  191.651829][ T5479]  ? copy_msghdr_from_user (net/socket.c:2619)
[  191.651848][ T5479]  __sys_sendmsg (net/socket.c:2799)
[  191.651851][ T5479]  ? __sys_sendmsg_sock (net/socket.c:2780)
[  191.651858][ T5479]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  191.651861][ T5479]  do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84)
[  191.651864][ T5479]  ? exc_page_fault (arch/x86/mm/fault.c:1489 (discriminator 3) arch/x86/mm/fault.c:1536 (discriminator 3))
[  191.651867][ T5479]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[  191.651869][ T5479] RIP: 0033:0x7f726c80354e
[  191.651873][ T5479] 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
[  191.651874][ T5479] RSP: 002b:00007fff3507aaa0 EFLAGS: 00000202 ORIG_RAX: 000000000000002e
[  191.651877][ T5479] RAX: ffffffffffffffda RBX: 0000000000000003 RCX: 00007f726c80354e
[  191.651878][ T5479] RDX: 0000000000000000 RSI: 00007fff3507ab50 RDI: 0000000000000005
[  191.651879][ T5479] RBP: 00007fff3507aab0 R08: 0000000000000000 R09: 0000000000000000
[  191.651880][ T5479] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a90fcab
[  191.651881][ T5479] R13: 00000000004a1620 R14: 0000000000000000 R15: 00007fff3507b210
| [  196.130661][   T12] softirqs last disabled at (5873644): vxlan_flush (./include/linux/spinlock.h:353 drivers/net/vxlan/vxlan_core.c:3094) vxlan
| [  196.130666][   T12] Preemption disabled at:
| [  196.130667][   T12] vprintk_emit (kernel/printk/printk.c:2471)
| [  196.130678][   T12] Tainted: [W]=WARN
[  196.130680][   T12] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[  196.130682][   T12] Workqueue: netns cleanup_net
[  196.130687][   T12] Call Trace:
[  196.130690][   T12]  <TASK>
[  196.130694][   T12]  dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120)
[  196.130703][   T12]  ? vprintk_emit (kernel/printk/printk.c:2471)
[  196.130706][   T12]  __might_resched.cold (kernel/sched/core.c:9234)
[  196.130711][   T12]  ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3))
[  196.130716][   T12]  ? __kmalloc_noprof (./include/linux/sched/mm.h:317 mm/slub.c:4636 mm/slub.c:4974 mm/slub.c:5413 mm/slub.c:5439)
[  196.130722][   T12]  __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))
[  196.130725][   T12]  ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[  196.130737][   T12]  ? 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)
[  196.130742][   T12]  alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[  196.130749][   T12]  put_chars (drivers/char/virtio_console.c:1176)
[  196.130754][   T12]  ? __send_to_port (drivers/char/virtio_console.c:654)
[  196.130755][   T12]  ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4116 (discriminator 3) kernel/rcu/tree.c:4108 (discriminator 3))
[  196.130760][   T12]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380)
[  196.130764][   T12]  ? validate_chain (kernel/locking/lockdep.c:3817 (discriminator 2) kernel/locking/lockdep.c:3837 (discriminator 2) kernel/locking/lockdep.c:3892 (discriminator 2))
[  196.130770][   T12]  hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2))
[  196.130775][   T12]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[  196.130784][   T12]  ? hvc_write (drivers/tty/hvc/hvc_console.c:501)
[  196.130791][   T12]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  196.130799][   T12]  console_emit_next_record (kernel/printk/printk.c:3183)
[  196.130804][   T12]  ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20)
[  196.130806][   T12]  ? 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))
[  196.130810][   T12]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  196.130812][   T12]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  196.130816][   T12]  console_flush_one_record (kernel/printk/printk.c:3268)
[  196.130821][   T12]  ? console_emit_next_record (kernel/printk/printk.c:3150)
[  196.130823][   T12]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[  196.130829][   T12]  console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420)
[  196.130833][   T12]  ? console_flush_one_record (kernel/printk/printk.c:3316)
[  196.130835][   T12]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  196.130838][   T12]  ? 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)
[  196.130846][   T12]  ? __down_trylock_console_sem (kernel/printk/printk.c:334)
[  196.130848][   T12]  ? vprintk_emit (kernel/printk/printk.c:2478)
[  196.130852][   T12]  vprintk_emit (kernel/printk/printk.c:2479)
[  196.130855][   T12]  ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126))
[  196.130856][   T12]  ? cleanup_net (net/core/net_namespace.c:706)
[  196.130858][   T12]  ? worker_thread (kernel/workqueue.c:3470 kernel/workqueue.c:3551)
[  196.130860][   T12]  ? kthread (kernel/kthread.c:436)
[  196.130863][   T12]  ? ret_from_fork (arch/x86/kernel/process.c:158)
[  196.130866][   T12]  ? ret_from_fork_asm (arch/x86/entry/entry_64.S:245)
[  196.130871][   T12]  _printk (kernel/printk/printk.c:2504)
[  196.130875][   T12]  ? snapshot_read.cold (user.c:?)
[  196.130880][   T12]  ? netdev_name (./include/linux/netdevice.h:5709 (discriminator 1))
[  196.130884][   T12]  ? __netdev_printk (net/core/dev.c:13148 (discriminator 2))
[  196.130892][   T12]  netdev_info (net/core/dev.c:13195 (discriminator 3))
[  196.130896][   T12]  ? netdev_notice (net/core/dev.c:13194)
[  196.130906][   T12]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  196.130908][   T12]  ? __up_read (kernel/locking/rwsem.c:1397 (discriminator 1))
[  196.130911][   T12]  ? down_write_nested (kernel/locking/rwsem.c:1759)
[  196.130913][   T12]  ? 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)
[  196.130916][   T12]  netif_set_allmulti.cold (net/core/dev.c:9731 (discriminator 3))
[  196.130921][   T12]  dev_set_allmulti (net/core/dev_api.c:315)
[  196.130925][   T12]  del_nbp (net/bridge/br_if.c:253 net/bridge/br_if.c:341)
[  196.130936][   T12]  br_dev_delete (net/bridge/br_if.c:387)
[  196.130942][   T12]  br_net_exit_rtnl (net/bridge/br.c:414)
[  196.130945][   T12]  ops_undo_list (net/core/net_namespace.c:181 net/core/net_namespace.c:249)
[  196.130949][   T12]  ? lockdep_hardirqs_on (kernel/locking/lockdep.c:4488)
[  196.130953][   T12]  ? netns_install (./include/linux/ns_common.h:26)
[  196.130955][   T12]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554)
[  196.130959][   T12]  ? idr_destroy (lib/radix-tree.c:310 lib/radix-tree.c:674 lib/radix-tree.c:1563)
[  196.130965][   T12]  cleanup_net (net/core/net_namespace.c:706)
[  196.130968][   T12]  ? net_passive_dec (./include/linux/llist.h:241)
[  196.130973][   T12]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  196.130976][   T12]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  196.130983][   T12]  process_one_work (kernel/workqueue.c:3387)
[  196.130992][   T12]  ? __queue_delayed_work (kernel/workqueue.c:2622)
[  196.130996][   T12]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2))
[  196.131005][   T12]  worker_thread (kernel/workqueue.c:3470 kernel/workqueue.c:3551)
[  196.131013][   T12]  ? rescuer_thread (./include/linux/list.h:419 (discriminator 3))
[  196.131015][   T12]  kthread (kernel/kthread.c:436)
[  196.131017][   T12]  ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22))
[  196.131020][   T12]  ? kthread_affine_preferred (kernel/kthread.c:857)
[  196.131024][   T12]  ret_from_fork (arch/x86/kernel/process.c:158)
[  196.131027][   T12]  ? arch_exit_to_user_mode_prepare.isra.0 (arch/x86/entry/vdso/vma.c:80 (discriminator 1))
[  196.131034][   T12]  ? __switch_to (arch/x86/kernel/process_64.c:403 arch/x86/kernel/process_64.c:663)
[  196.131039][   T12]  ? kthread_affine_preferred (kernel/kthread.c:857)
[  196.131044][   T12]  ret_from_fork_asm (arch/x86/entry/entry_64.S:245)
| [  200.518236][ T5681] softirqs last disabled at (51188): __alloc_skb (./include/linux/bottom_half.h:20 (discriminator 2) net/core/skbuff.c:697 (discriminator 2))
| [  200.518239][ T5681] Preemption disabled at:
| [  200.518240][ T5681] vprintk_emit (kernel/printk/printk.c:2471)
| [  200.518249][ T5681] Tainted: [W]=WARN
[  200.518250][ T5681] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[  200.518251][ T5681] Call Trace:
[  200.518253][ T5681]  <TASK>
[  200.518255][ T5681]  dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120)
[  200.518263][ T5681]  ? vprintk_emit (kernel/printk/printk.c:2471)
[  200.518265][ T5681]  __might_resched.cold (kernel/sched/core.c:9234)
[  200.518270][ T5681]  ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3))
[  200.518274][ T5681]  ? __kmalloc_noprof (./include/linux/sched/mm.h:317 mm/slub.c:4636 mm/slub.c:4974 mm/slub.c:5413 mm/slub.c:5439)
[  200.518278][ T5681]  __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))
[  200.518280][ T5681]  ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[  200.518287][ T5681]  ? 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)
[  200.518290][ T5681]  alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[  200.518294][ T5681]  put_chars (drivers/char/virtio_console.c:1176)
[  200.518296][ T5681]  ? __send_to_port (drivers/char/virtio_console.c:654)
[  200.518297][ T5681]  ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4116 (discriminator 3) kernel/rcu/tree.c:4108 (discriminator 3))
[  200.518303][ T5681]  ? validate_chain (kernel/locking/lockdep.c:3817 (discriminator 2) kernel/locking/lockdep.c:3837 (discriminator 2) kernel/locking/lockdep.c:3892 (discriminator 2))
[  200.518310][ T5681]  hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2))
[  200.518318][ T5681]  ? hvc_write (drivers/tty/hvc/hvc_console.c:501)
[  200.518321][ T5681]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  200.518323][ T5681]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  200.518327][ T5681]  console_emit_next_record (kernel/printk/printk.c:3183)
[  200.518331][ T5681]  ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20)
[  200.518333][ T5681]  ? 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))
[  200.518336][ T5681]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  200.518338][ T5681]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  200.518342][ T5681]  console_flush_one_record (kernel/printk/printk.c:3268)
[  200.518354][ T5681]  ? console_emit_next_record (kernel/printk/printk.c:3150)
[  200.518357][ T5681]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[  200.518363][ T5681]  console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420)
[  200.518366][ T5681]  ? console_flush_one_record (kernel/printk/printk.c:3316)
[  200.518368][ T5681]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  200.518369][ T5681]  ? 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)
[  200.518373][ T5681]  ? __down_trylock_console_sem (kernel/printk/printk.c:334)
[  200.518375][ T5681]  ? vprintk_emit (kernel/printk/printk.c:2478)
[  200.518378][ T5681]  vprintk_emit (kernel/printk/printk.c:2479)
[  200.518381][ T5681]  ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126))
[  200.518383][ T5681]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554)
[  200.518385][ T5681]  ? mark_held_locks (kernel/locking/lockdep.c:4341)
[  200.518389][ T5681]  _printk (kernel/printk/printk.c:2504)
[  200.518393][ T5681]  ? snapshot_read.cold (user.c:?)
[  200.518396][ T5681]  ? br_multicast_flood (??:?)
[  200.518400][ T5681]  ? do_setlink.isra.0 (net/core/rtnetlink.c:3273 (discriminator 1))
[  200.518402][ T5681]  ? rtnl_newlink (net/core/rtnetlink.c:4215)
[  200.518404][ T5681]  ? rtnetlink_rcv_msg (net/core/rtnetlink.c:7132)
[  200.518410][ T5681]  br_set_state (net/bridge/br_stp.c:57 (discriminator 2))
[  200.518414][ T5681]  br_init_port (net/bridge/br_stp_if.c:39)
[  200.518417][ T5681]  new_nbp (net/bridge/br_if.c:449)
[  200.518420][ T5681]  br_add_if (net/bridge/br_if.c:592)
[  200.518423][ T5681]  ? is_bpf_text_address (./include/linux/rcupdate.h:882 kernel/bpf/core.c:751)
[  200.518426][ T5681]  ? kernel_text_address (kernel/extable.c:125 kernel/extable.c:94)
[  200.518432][ T5681]  do_set_master (net/core/rtnetlink.c:3071)
[  200.518435][ T5681]  do_setlink.isra.0 (net/core/rtnetlink.c:3273 (discriminator 1))
[  200.518439][ T5681]  ? stack_trace_save (kernel/stacktrace.c:122 (discriminator 1))
[  200.518442][ T5681]  ? rtnl_link_get_size (net/core/rtnetlink.c:747)
[  200.518444][ T5681]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:388 kernel/rcu/update.c:380)
[  200.518446][ T5681]  ? stack_depot_save_flags (lib/stackdepot.c:609 (discriminator 2) lib/stackdepot.c:676 (discriminator 2))
[  200.518450][ T5681]  ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4116 (discriminator 3) kernel/rcu/tree.c:4108 (discriminator 3))
[  200.518452][ T5681]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380)
[  200.518454][ T5681]  ? validate_chain (kernel/locking/lockdep.c:3817 (discriminator 2) kernel/locking/lockdep.c:3837 (discriminator 2) kernel/locking/lockdep.c:3892 (discriminator 2))
[  200.518456][ T5681]  ? kasan_save_stack (mm/kasan/common.c:58)
[  200.518458][ T5681]  ? kasan_save_stack (mm/kasan/common.c:57)
[  200.518459][ T5681]  ? kasan_save_track (mm/kasan/common.c:78)
[  200.518461][ T5681]  ? __kasan_kmalloc (mm/kasan/common.c:398 mm/kasan/common.c:415)
[  200.518463][ T5681]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[  200.518465][ T5681]  ? snd_ac97_proc_read_main (sound/pci/ac97/ac97_proc.c:320)
[  200.518468][ T5681]  ? ___sys_sendmsg (net/socket.c:2758)
[  200.518472][ T5681]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2))
[  200.518474][ T5681]  ? rtnl_newlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:366 net/core/rtnetlink.c:4214)
[  200.518476][ T5681]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  200.518478][ T5681]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  200.518480][ T5681]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  200.518481][ T5681]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  200.518482][ T5681]  ? trace_contention_end (./include/trace/events/lock.h:121 (discriminator 22))
[  200.518485][ T5681]  ? __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)
[  200.518487][ T5681]  ? __mutex_lock (kernel/locking/mutex.c:656 (discriminator 1) kernel/locking/mutex.c:821 (discriminator 1))
[  200.518489][ T5681]  ? rtnl_newlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:366 net/core/rtnetlink.c:4214)
[  200.518493][ T5681]  ? ww_mutex_lock (kernel/locking/mutex.c:934)
[  200.518494][ T5681]  ? nla_get_range_signed (lib/nlattr.c:270)
[  200.518499][ T5681]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  200.518501][ T5681]  ? __rtnl_newlink (net/core/rtnetlink.c:4063)
[  200.518506][ T5681]  rtnl_newlink (net/core/rtnetlink.c:4215)
[  200.518511][ T5681]  ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558)
[  200.518513][ T5681]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[  200.518518][ T5681]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2))
[  200.518520][ T5681]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[  200.518522][ T5681]  ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558)
[  200.518524][ T5681]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554)
[  200.518528][ T5681]  ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558)
[  200.518530][ T5681]  rtnetlink_rcv_msg (net/core/rtnetlink.c:7132)
[  200.518533][ T5681]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[  200.518535][ T5681]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[  200.518539][ T5681]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2))
[  200.518541][ T5681]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[  200.518545][ T5681]  netlink_rcv_skb (net/netlink/af_netlink.c:2556)
[  200.518548][ T5681]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[  200.518551][ T5681]  ? netlink_ack (./include/linux/skbuff.h:2718)
[  200.518557][ T5681]  ? 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))
[  200.518559][ T5681]  ? 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))
[  200.518564][ T5681]  netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[  200.518568][ T5681]  ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[  200.518571][ T5681]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[  200.518575][ T5681]  netlink_sendmsg (net/netlink/af_netlink.c:1900)
[  200.518579][ T5681]  ? netlink_unicast (./include/net/net_namespace.h:422 (discriminator 7))
[  200.518583][ T5681]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554)
[  200.518584][ T5681]  ? __import_iovec (lib/iov_iter.c:1358 lib/iov_iter.c:1373)
[  200.518590][ T5681]  __sock_sendmsg (net/socket.c:800 (discriminator 4) net/socket.c:815 (discriminator 4))
[  200.518593][ T5681]  ____sys_sendmsg (net/socket.c:2713)
[  200.518595][ T5681]  ? copy_msghdr_from_user (net/socket.c:2650)
[  200.518597][ T5681]  ? sock_write_iter (net/socket.c:1269)
[  200.518599][ T5681]  ? move_addr_to_kernel (net/socket.c:258)
[  200.518606][ T5681]  ___sys_sendmsg (net/socket.c:2767)
[  200.518609][ T5681]  ? copy_msghdr_from_user (net/socket.c:2619)
[  200.518625][ T5681]  __sys_sendmsg (net/socket.c:2799)
[  200.518628][ T5681]  ? __sys_sendmsg_sock (net/socket.c:2780)
[  200.518635][ T5681]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  200.518640][ T5681]  do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84)
[  200.518644][ T5681]  ? exc_page_fault (arch/x86/mm/fault.c:1489 (discriminator 3) arch/x86/mm/fault.c:1536 (discriminator 3))
[  200.518647][ T5681]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[  200.518649][ T5681] RIP: 0033:0x7fad664c254e
[  200.518653][ T5681] 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
[  200.518655][ T5681] RSP: 002b:00007ffc8ae87710 EFLAGS: 00000202 ORIG_RAX: 000000000000002e
[  200.518657][ T5681] RAX: ffffffffffffffda RBX: 0000000000000003 RCX: 00007fad664c254e
[  200.518659][ T5681] RDX: 0000000000000000 RSI: 00007ffc8ae877c0 RDI: 0000000000000005
[  200.518660][ T5681] RBP: 00007ffc8ae87720 R08: 0000000000000000 R09: 0000000000000000
[  200.518661][ T5681] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a90fcb4
[  200.518662][ T5681] R13: 00000000004a1620 R14: 0000000000000000 R15: 00007ffc8ae87e80
| [  204.971458][   T12] softirqs last disabled at (6126650): netlink_release (./include/net/sock.h:2138 net/netlink/af_netlink.c:727)
| [  204.971461][   T12] Preemption disabled at:
| [  204.971462][   T12] vprintk_emit (kernel/printk/printk.c:2471)
| [  204.971470][   T12] Tainted: [W]=WARN
[  204.971471][   T12] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[  204.971473][   T12] Workqueue: netns cleanup_net
[  204.971477][   T12] Call Trace:
[  204.971479][   T12]  <TASK>
[  204.971481][   T12]  dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120)
[  204.971487][   T12]  ? vprintk_emit (kernel/printk/printk.c:2471)
[  204.971489][   T12]  __might_resched.cold (kernel/sched/core.c:9234)
[  204.971493][   T12]  ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3))
[  204.971499][   T12]  ? __kmalloc_noprof (./include/linux/sched/mm.h:317 mm/slub.c:4636 mm/slub.c:4974 mm/slub.c:5413 mm/slub.c:5439)
[  204.971504][   T12]  __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))
[  204.971507][   T12]  ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[  204.971513][   T12]  ? 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)
[  204.971516][   T12]  alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[  204.971520][   T12]  put_chars (drivers/char/virtio_console.c:1176)
[  204.971523][   T12]  ? __send_to_port (drivers/char/virtio_console.c:654)
[  204.971524][   T12]  ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4116 (discriminator 3) kernel/rcu/tree.c:4108 (discriminator 3))
[  204.971528][   T12]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380)
[  204.971531][   T12]  ? validate_chain (kernel/locking/lockdep.c:3817 (discriminator 2) kernel/locking/lockdep.c:3837 (discriminator 2) kernel/locking/lockdep.c:3892 (discriminator 2))
[  204.971536][   T12]  hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2))
[  204.971540][   T12]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[  204.971546][   T12]  ? hvc_write (drivers/tty/hvc/hvc_console.c:501)
[  204.971549][   T12]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  204.971554][   T12]  console_emit_next_record (kernel/printk/printk.c:3183)
[  204.971558][   T12]  ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20)
[  204.971560][   T12]  ? 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))
[  204.971564][   T12]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  204.971565][   T12]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  204.971570][   T12]  console_flush_one_record (kernel/printk/printk.c:3268)
[  204.971574][   T12]  ? console_emit_next_record (kernel/printk/printk.c:3150)
[  204.971576][   T12]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[  204.971582][   T12]  console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420)
[  204.971585][   T12]  ? console_flush_one_record (kernel/printk/printk.c:3316)
[  204.971587][   T12]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  204.971588][   T12]  ? 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)
[  204.971592][   T12]  ? __down_trylock_console_sem (kernel/printk/printk.c:334)
[  204.971594][   T12]  ? vprintk_emit (kernel/printk/printk.c:2478)
[  204.971597][   T12]  vprintk_emit (kernel/printk/printk.c:2479)
[  204.971600][   T12]  ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126))
[  204.971602][   T12]  ? cleanup_net (net/core/net_namespace.c:706)
[  204.971604][   T12]  ? worker_thread (kernel/workqueue.c:3470 kernel/workqueue.c:3551)
[  204.971605][   T12]  ? kthread (kernel/kthread.c:436)
[  204.971608][   T12]  ? ret_from_fork (arch/x86/kernel/process.c:158)
[  204.971611][   T12]  ? ret_from_fork_asm (arch/x86/entry/entry_64.S:245)
[  204.971616][   T12]  _printk (kernel/printk/printk.c:2504)
[  204.971619][   T12]  ? snapshot_read.cold (user.c:?)
[  204.971624][   T12]  ? netdev_name (./include/linux/netdevice.h:5709 (discriminator 1))
[  204.971628][   T12]  ? __netdev_printk (net/core/dev.c:13148 (discriminator 2))
[  204.971632][   T12]  netdev_info (net/core/dev.c:13195 (discriminator 3))
[  204.971635][   T12]  ? netdev_notice (net/core/dev.c:13194)
[  204.971640][   T12]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  204.971641][   T12]  ? __up_read (kernel/locking/rwsem.c:1397 (discriminator 1))
[  204.971644][   T12]  ? down_write_nested (kernel/locking/rwsem.c:1759)
[  204.971646][   T12]  ? 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)
[  204.971648][   T12]  netif_set_allmulti.cold (net/core/dev.c:9731 (discriminator 3))
[  204.971653][   T12]  dev_set_allmulti (net/core/dev_api.c:315)
[  204.971657][   T12]  del_nbp (net/bridge/br_if.c:253 net/bridge/br_if.c:341)
[  204.971660][   T12]  ? __up_write (kernel/locking/rwsem.c:1415)
[  204.971661][   T12]  ? __up_write (kernel/locking/rwsem.c:1422 (discriminator 1))
[  204.971666][   T12]  br_dev_delete (net/bridge/br_if.c:387)
[  204.971670][   T12]  br_net_exit_rtnl (net/bridge/br.c:414)
[  204.971674][   T12]  ops_undo_list (net/core/net_namespace.c:181 net/core/net_namespace.c:249)
[  204.971677][   T12]  ? lockdep_hardirqs_on (kernel/locking/lockdep.c:4488)
[  204.971681][   T12]  ? netns_install (./include/linux/ns_common.h:26)
[  204.971683][   T12]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554)
[  204.971686][   T12]  ? idr_destroy (lib/radix-tree.c:310 lib/radix-tree.c:674 lib/radix-tree.c:1563)
[  204.971691][   T12]  cleanup_net (net/core/net_namespace.c:706)
[  204.971695][   T12]  ? net_passive_dec (./include/linux/llist.h:241)
[  204.971699][   T12]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  204.971701][   T12]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  204.971704][   T12]  process_one_work (kernel/workqueue.c:3387)
[  204.971711][   T12]  ? __queue_delayed_work (kernel/workqueue.c:2622)
[  204.971714][   T12]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2))
[  204.971725][   T12]  worker_thread (kernel/workqueue.c:3470 kernel/workqueue.c:3551)
[  204.971733][   T12]  ? rescuer_thread (./include/linux/list.h:419 (discriminator 3))
[  204.971735][   T12]  kthread (kernel/kthread.c:436)
[  204.971737][   T12]  ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22))
[  204.971741][   T12]  ? kthread_affine_preferred (kernel/kthread.c:857)
[  204.971744][   T12]  ret_from_fork (arch/x86/kernel/process.c:158)
[  204.971747][   T12]  ? arch_exit_to_user_mode_prepare.isra.0 (arch/x86/entry/vdso/vma.c:80 (discriminator 1))
[  204.971750][   T12]  ? __switch_to (arch/x86/kernel/process_64.c:403 arch/x86/kernel/process_64.c:663)
[  204.971754][   T12]  ? kthread_affine_preferred (kernel/kthread.c:857)
[  204.971757][   T12]  ret_from_fork_asm (arch/x86/entry/entry_64.S:245)
| [  209.240754][ T5896] softirqs last disabled at (31460): __alloc_skb (./include/linux/bottom_half.h:20 (discriminator 2) net/core/skbuff.c:697 (discriminator 2))
| [  209.240757][ T5896] Preemption disabled at:
| [  209.240758][ T5896] vprintk_emit (kernel/printk/printk.c:2471)
| [  209.240766][ T5896] Tainted: [W]=WARN
[  209.240767][ T5896] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[  209.240769][ T5896] Call Trace:
[  209.240771][ T5896]  <TASK>
[  209.240772][ T5896]  dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120)
[  209.240778][ T5896]  ? vprintk_emit (kernel/printk/printk.c:2471)
[  209.240780][ T5896]  __might_resched.cold (kernel/sched/core.c:9234)
[  209.240784][ T5896]  ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3))
[  209.240789][ T5896]  ? __kmalloc_noprof (./include/linux/sched/mm.h:317 mm/slub.c:4636 mm/slub.c:4974 mm/slub.c:5413 mm/slub.c:5439)
[  209.240793][ T5896]  __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))
[  209.240795][ T5896]  ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[  209.240802][ T5896]  ? 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)
[  209.240805][ T5896]  alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[  209.240809][ T5896]  put_chars (drivers/char/virtio_console.c:1176)
[  209.240811][ T5896]  ? __send_to_port (drivers/char/virtio_console.c:654)
[  209.240812][ T5896]  ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4116 (discriminator 3) kernel/rcu/tree.c:4108 (discriminator 3))
[  209.240816][ T5896]  ? validate_chain (kernel/locking/lockdep.c:3817 (discriminator 2) kernel/locking/lockdep.c:3837 (discriminator 2) kernel/locking/lockdep.c:3892 (discriminator 2))
[  209.240822][ T5896]  hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2))
[  209.240829][ T5896]  ? hvc_write (drivers/tty/hvc/hvc_console.c:501)
[  209.240832][ T5896]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  209.240834][ T5896]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  209.240838][ T5896]  console_emit_next_record (kernel/printk/printk.c:3183)
[  209.240843][ T5896]  ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20)
[  209.240844][ T5896]  ? 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))
[  209.240848][ T5896]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  209.240849][ T5896]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  209.240854][ T5896]  console_flush_one_record (kernel/printk/printk.c:3268)
[  209.240858][ T5896]  ? console_emit_next_record (kernel/printk/printk.c:3150)
[  209.240860][ T5896]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[  209.240865][ T5896]  console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420)
[  209.240868][ T5896]  ? console_flush_one_record (kernel/printk/printk.c:3316)
[  209.240870][ T5896]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  209.240872][ T5896]  ? 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)
[  209.240876][ T5896]  ? __down_trylock_console_sem (kernel/printk/printk.c:334)
[  209.240878][ T5896]  ? vprintk_emit (kernel/printk/printk.c:2478)
[  209.240880][ T5896]  vprintk_emit (kernel/printk/printk.c:2479)
[  209.240883][ T5896]  ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126))
[  209.240885][ T5896]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554)
[  209.240888][ T5896]  ? mark_held_locks (kernel/locking/lockdep.c:4341)
[  209.240892][ T5896]  _printk (kernel/printk/printk.c:2504)
[  209.240895][ T5896]  ? snapshot_read.cold (user.c:?)
[  209.240902][ T5896]  ? br_multicast_flood (??:?)
[  209.240906][ T5896]  ? do_setlink.isra.0 (net/core/rtnetlink.c:3273 (discriminator 1))
[  209.240907][ T5896]  ? rtnl_newlink (net/core/rtnetlink.c:4215)
[  209.240909][ T5896]  ? rtnetlink_rcv_msg (net/core/rtnetlink.c:7132)
[  209.240913][ T5896]  br_set_state (net/bridge/br_stp.c:57 (discriminator 2))
[  209.240918][ T5896]  br_init_port (net/bridge/br_stp_if.c:39)
[  209.240920][ T5896]  new_nbp (net/bridge/br_if.c:449)
[  209.240924][ T5896]  br_add_if (net/bridge/br_if.c:592)
[  209.240927][ T5896]  ? is_bpf_text_address (./include/linux/rcupdate.h:882 kernel/bpf/core.c:751)
[  209.240930][ T5896]  ? kernel_text_address (kernel/extable.c:125 kernel/extable.c:94)
[  209.240936][ T5896]  do_set_master (net/core/rtnetlink.c:3071)
[  209.240939][ T5896]  do_setlink.isra.0 (net/core/rtnetlink.c:3273 (discriminator 1))
[  209.240943][ T5896]  ? stack_trace_save (kernel/stacktrace.c:122 (discriminator 1))
[  209.240946][ T5896]  ? rtnl_link_get_size (net/core/rtnetlink.c:747)
[  209.240948][ T5896]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:388 kernel/rcu/update.c:380)
[  209.240950][ T5896]  ? stack_depot_save_flags (lib/stackdepot.c:609 (discriminator 2) lib/stackdepot.c:676 (discriminator 2))
[  209.240954][ T5896]  ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4116 (discriminator 3) kernel/rcu/tree.c:4108 (discriminator 3))
[  209.240956][ T5896]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380)
[  209.240957][ T5896]  ? validate_chain (kernel/locking/lockdep.c:3817 (discriminator 2) kernel/locking/lockdep.c:3837 (discriminator 2) kernel/locking/lockdep.c:3892 (discriminator 2))
[  209.240960][ T5896]  ? kasan_save_stack (mm/kasan/common.c:58)
[  209.240962][ T5896]  ? kasan_save_stack (mm/kasan/common.c:57)
[  209.240963][ T5896]  ? kasan_save_track (mm/kasan/common.c:78)
[  209.240965][ T5896]  ? __kasan_kmalloc (mm/kasan/common.c:398 mm/kasan/common.c:415)
[  209.240967][ T5896]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[  209.240969][ T5896]  ? snd_ac97_proc_read_main (sound/pci/ac97/ac97_proc.c:320)
[  209.240972][ T5896]  ? ___sys_sendmsg (net/socket.c:2758)
[  209.240976][ T5896]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2))
[  209.240978][ T5896]  ? rtnl_newlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:366 net/core/rtnetlink.c:4214)
[  209.240980][ T5896]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  209.240982][ T5896]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  209.240984][ T5896]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  209.240985][ T5896]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  209.240987][ T5896]  ? trace_contention_end (./include/trace/events/lock.h:121 (discriminator 22))
[  209.240989][ T5896]  ? __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)
[  209.240991][ T5896]  ? __mutex_lock (kernel/locking/mutex.c:656 (discriminator 1) kernel/locking/mutex.c:821 (discriminator 1))
[  209.240993][ T5896]  ? rtnl_newlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:366 net/core/rtnetlink.c:4214)
[  209.240997][ T5896]  ? ww_mutex_lock (kernel/locking/mutex.c:934)
[  209.240998][ T5896]  ? nla_get_range_signed (lib/nlattr.c:270)
[  209.241003][ T5896]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  209.241005][ T5896]  ? __rtnl_newlink (net/core/rtnetlink.c:4063)
[  209.241010][ T5896]  rtnl_newlink (net/core/rtnetlink.c:4215)
[  209.241016][ T5896]  ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558)
[  209.241018][ T5896]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[  209.241022][ T5896]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2))
[  209.241024][ T5896]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[  209.241027][ T5896]  ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558)
[  209.241028][ T5896]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554)
[  209.241032][ T5896]  ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558)
[  209.241034][ T5896]  rtnetlink_rcv_msg (net/core/rtnetlink.c:7132)
[  209.241038][ T5896]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[  209.241039][ T5896]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[  209.241044][ T5896]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2))
[  209.241045][ T5896]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[  209.241049][ T5896]  netlink_rcv_skb (net/netlink/af_netlink.c:2556)
[  209.241052][ T5896]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[  209.241055][ T5896]  ? netlink_ack (./include/linux/skbuff.h:2718)
[  209.241062][ T5896]  ? 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))
[  209.241064][ T5896]  ? 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))
[  209.241069][ T5896]  netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[  209.241073][ T5896]  ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[  209.241075][ T5896]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[  209.241080][ T5896]  netlink_sendmsg (net/netlink/af_netlink.c:1900)
[  209.241084][ T5896]  ? netlink_unicast (./include/net/net_namespace.h:422 (discriminator 7))
[  209.241088][ T5896]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554)
[  209.241089][ T5896]  ? __import_iovec (lib/iov_iter.c:1358 lib/iov_iter.c:1373)
[  209.241095][ T5896]  __sock_sendmsg (net/socket.c:800 (discriminator 4) net/socket.c:815 (discriminator 4))
[  209.241098][ T5896]  ____sys_sendmsg (net/socket.c:2713)
[  209.241100][ T5896]  ? copy_msghdr_from_user (net/socket.c:2650)
[  209.241102][ T5896]  ? sock_write_iter (net/socket.c:1269)
[  209.241104][ T5896]  ? move_addr_to_kernel (net/socket.c:258)
[  209.241112][ T5896]  ___sys_sendmsg (net/socket.c:2767)
[  209.241115][ T5896]  ? copy_msghdr_from_user (net/socket.c:2619)
[  209.241132][ T5896]  __sys_sendmsg (net/socket.c:2799)
[  209.241135][ T5896]  ? __sys_sendmsg_sock (net/socket.c:2780)
[  209.241141][ T5896]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  209.241144][ T5896]  do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84)
[  209.241147][ T5896]  ? exc_page_fault (arch/x86/mm/fault.c:1489 (discriminator 3) arch/x86/mm/fault.c:1536 (discriminator 3))
[  209.241150][ T5896]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[  209.241152][ T5896] RIP: 0033:0x7f4154a6754e
[  209.241156][ T5896] 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
[  209.241158][ T5896] RSP: 002b:00007fff116ae730 EFLAGS: 00000202 ORIG_RAX: 000000000000002e
[  209.241161][ T5896] RAX: ffffffffffffffda RBX: 0000000000000003 RCX: 00007f4154a6754e
[  209.241162][ T5896] RDX: 0000000000000000 RSI: 00007fff116ae7e0 RDI: 0000000000000005
[  209.241163][ T5896] RBP: 00007fff116ae740 R08: 0000000000000000 R09: 0000000000000000
[  209.241164][ T5896] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a90fcbd
[  209.241165][ T5896] R13: 00000000004a1620 R14: 0000000000000000 R15: 00007fff116aeea0
| [  213.683377][   T12] softirqs last disabled at (6346352): netlink_release (./include/net/sock.h:2138 net/netlink/af_netlink.c:727)
| [  213.683379][   T12] Preemption disabled at:
| [  213.683380][   T12] vprintk_emit (kernel/printk/printk.c:2471)
| [  213.683389][   T12] Tainted: [W]=WARN
[  213.683389][   T12] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[  213.683391][   T12] Workqueue: netns cleanup_net
[  213.683395][   T12] Call Trace:
[  213.683397][   T12]  <TASK>
[  213.683399][   T12]  dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120)
[  213.683405][   T12]  ? vprintk_emit (kernel/printk/printk.c:2471)
[  213.683406][   T12]  __might_resched.cold (kernel/sched/core.c:9234)
[  213.683411][   T12]  ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3))
[  213.683415][   T12]  ? __kmalloc_noprof (./include/linux/sched/mm.h:317 mm/slub.c:4636 mm/slub.c:4974 mm/slub.c:5413 mm/slub.c:5439)
[  213.683420][   T12]  __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))
[  213.683422][   T12]  ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[  213.683428][   T12]  ? 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)
[  213.683431][   T12]  alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[  213.683435][   T12]  put_chars (drivers/char/virtio_console.c:1176)
[  213.683438][   T12]  ? __send_to_port (drivers/char/virtio_console.c:654)
[  213.683439][   T12]  ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4116 (discriminator 3) kernel/rcu/tree.c:4108 (discriminator 3))
[  213.683443][   T12]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380)
[  213.683446][   T12]  ? validate_chain (kernel/locking/lockdep.c:3817 (discriminator 2) kernel/locking/lockdep.c:3837 (discriminator 2) kernel/locking/lockdep.c:3892 (discriminator 2))
[  213.683451][   T12]  hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2))
[  213.683455][   T12]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[  213.683469][   T12]  ? hvc_write (drivers/tty/hvc/hvc_console.c:501)
[  213.683472][   T12]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  213.683477][   T12]  console_emit_next_record (kernel/printk/printk.c:3183)
[  213.683482][   T12]  ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20)
[  213.683484][   T12]  ? 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))
[  213.683487][   T12]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  213.683489][   T12]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  213.683493][   T12]  console_flush_one_record (kernel/printk/printk.c:3268)
[  213.683498][   T12]  ? console_emit_next_record (kernel/printk/printk.c:3150)
[  213.683500][   T12]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[  213.683506][   T12]  console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420)
[  213.683509][   T12]  ? console_flush_one_record (kernel/printk/printk.c:3316)
[  213.683511][   T12]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  213.683513][   T12]  ? 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)
[  213.683517][   T12]  ? __down_trylock_console_sem (kernel/printk/printk.c:334)
[  213.683519][   T12]  ? vprintk_emit (kernel/printk/printk.c:2478)
[  213.683521][   T12]  vprintk_emit (kernel/printk/printk.c:2479)
[  213.683525][   T12]  ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126))
[  213.683526][   T12]  ? cleanup_net (net/core/net_namespace.c:706)
[  213.683528][   T12]  ? worker_thread (kernel/workqueue.c:3470 kernel/workqueue.c:3551)
[  213.683530][   T12]  ? kthread (kernel/kthread.c:436)
[  213.683532][   T12]  ? ret_from_fork (arch/x86/kernel/process.c:158)
[  213.683535][   T12]  ? ret_from_fork_asm (arch/x86/entry/entry_64.S:245)
[  213.683540][   T12]  _printk (kernel/printk/printk.c:2504)
[  213.683544][   T12]  ? snapshot_read.cold (user.c:?)
[  213.683549][   T12]  ? netdev_name (./include/linux/netdevice.h:5709 (discriminator 1))
[  213.683553][   T12]  ? __netdev_printk (net/core/dev.c:13148 (discriminator 2))
[  213.683557][   T12]  netdev_info (net/core/dev.c:13195 (discriminator 3))
[  213.683560][   T12]  ? netdev_notice (net/core/dev.c:13194)
[  213.683565][   T12]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  213.683567][   T12]  ? __up_read (kernel/locking/rwsem.c:1397 (discriminator 1))
[  213.683570][   T12]  ? down_write_nested (kernel/locking/rwsem.c:1759)
[  213.683572][   T12]  ? 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)
[  213.683574][   T12]  netif_set_allmulti.cold (net/core/dev.c:9731 (discriminator 3))
[  213.683578][   T12]  dev_set_allmulti (net/core/dev_api.c:315)
[  213.683582][   T12]  del_nbp (net/bridge/br_if.c:253 net/bridge/br_if.c:341)
[  213.683586][   T12]  ? __up_write (kernel/locking/rwsem.c:1415)
[  213.683587][   T12]  ? __up_write (kernel/locking/rwsem.c:1422 (discriminator 1))
[  213.683591][   T12]  br_dev_delete (net/bridge/br_if.c:387)
[  213.683595][   T12]  br_net_exit_rtnl (net/bridge/br.c:414)
[  213.683599][   T12]  ops_undo_list (net/core/net_namespace.c:181 net/core/net_namespace.c:249)
[  213.683602][   T12]  ? lockdep_hardirqs_on (kernel/locking/lockdep.c:4488)
[  213.683606][   T12]  ? netns_install (./include/linux/ns_common.h:26)
[  213.683608][   T12]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554)
[  213.683611][   T12]  ? idr_destroy (lib/radix-tree.c:310 lib/radix-tree.c:674 lib/radix-tree.c:1563)
[  213.683616][   T12]  cleanup_net (net/core/net_namespace.c:706)
[  213.683619][   T12]  ? net_passive_dec (./include/linux/llist.h:241)
[  213.683623][   T12]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  213.683626][   T12]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  213.683629][   T12]  process_one_work (kernel/workqueue.c:3387)
[  213.683636][   T12]  ? __queue_delayed_work (kernel/workqueue.c:2622)
[  213.683639][   T12]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2))
[  213.683648][   T12]  worker_thread (kernel/workqueue.c:3470 kernel/workqueue.c:3551)
[  213.683655][   T12]  ? rescuer_thread (./include/linux/list.h:419 (discriminator 3))
[  213.683657][   T12]  kthread (kernel/kthread.c:436)
[  213.683660][   T12]  ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22))
[  213.683663][   T12]  ? kthread_affine_preferred (kernel/kthread.c:857)
[  213.683666][   T12]  ret_from_fork (arch/x86/kernel/process.c:158)
[  213.683669][   T12]  ? arch_exit_to_user_mode_prepare.isra.0 (arch/x86/entry/vdso/vma.c:80 (discriminator 1))
[  213.683673][   T12]  ? __switch_to (arch/x86/kernel/process_64.c:403 arch/x86/kernel/process_64.c:663)
[  213.683676][   T12]  ? kthread_affine_preferred (kernel/kthread.c:857)
[  213.683679][   T12]  ret_from_fork_asm (arch/x86/entry/entry_64.S:245)
| [  217.716485][ T6098] softirqs last disabled at (34382): __alloc_skb (./include/linux/bottom_half.h:20 (discriminator 2) net/core/skbuff.c:697 (discriminator 2))
| [  217.716487][ T6098] Preemption disabled at:
| [  217.716488][ T6098] vprintk_emit (kernel/printk/printk.c:2471)
| [  217.716503][ T6098] Tainted: [W]=WARN
[  217.716503][ T6098] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[  217.716505][ T6098] Call Trace:
[  217.716507][ T6098]  <TASK>
[  217.716508][ T6098]  dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120)
[  217.716514][ T6098]  ? vprintk_emit (kernel/printk/printk.c:2471)
[  217.716516][ T6098]  __might_resched.cold (kernel/sched/core.c:9234)
[  217.716521][ T6098]  ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3))
[  217.716525][ T6098]  ? __kmalloc_noprof (./include/linux/sched/mm.h:317 mm/slub.c:4636 mm/slub.c:4974 mm/slub.c:5413 mm/slub.c:5439)
[  217.716530][ T6098]  __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))
[  217.716532][ T6098]  ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[  217.716538][ T6098]  ? 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)
[  217.716541][ T6098]  alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[  217.716545][ T6098]  put_chars (drivers/char/virtio_console.c:1176)
[  217.716547][ T6098]  ? __send_to_port (drivers/char/virtio_console.c:654)
[  217.716549][ T6098]  ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4116 (discriminator 3) kernel/rcu/tree.c:4108 (discriminator 3))
[  217.716552][ T6098]  ? validate_chain (kernel/locking/lockdep.c:3817 (discriminator 2) kernel/locking/lockdep.c:3837 (discriminator 2) kernel/locking/lockdep.c:3892 (discriminator 2))
[  217.716558][ T6098]  hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2))
[  217.716565][ T6098]  ? hvc_write (drivers/tty/hvc/hvc_console.c:501)
[  217.716568][ T6098]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  217.716570][ T6098]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  217.716574][ T6098]  console_emit_next_record (kernel/printk/printk.c:3183)
[  217.716578][ T6098]  ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20)
[  217.716580][ T6098]  ? 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))
[  217.716583][ T6098]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  217.716585][ T6098]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  217.716589][ T6098]  console_flush_one_record (kernel/printk/printk.c:3268)
[  217.716593][ T6098]  ? console_emit_next_record (kernel/printk/printk.c:3150)
[  217.716595][ T6098]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[  217.716600][ T6098]  console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420)
[  217.716603][ T6098]  ? console_flush_one_record (kernel/printk/printk.c:3316)
[  217.716605][ T6098]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  217.716607][ T6098]  ? 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)
[  217.716611][ T6098]  ? __down_trylock_console_sem (kernel/printk/printk.c:334)
[  217.716613][ T6098]  ? vprintk_emit (kernel/printk/printk.c:2478)
[  217.716615][ T6098]  vprintk_emit (kernel/printk/printk.c:2479)
[  217.716618][ T6098]  ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126))
[  217.716620][ T6098]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554)
[  217.716623][ T6098]  ? mark_held_locks (kernel/locking/lockdep.c:4341)
[  217.716627][ T6098]  _printk (kernel/printk/printk.c:2504)
[  217.716630][ T6098]  ? snapshot_read.cold (user.c:?)
[  217.716634][ T6098]  ? br_multicast_flood (??:?)
[  217.716637][ T6098]  ? do_setlink.isra.0 (net/core/rtnetlink.c:3273 (discriminator 1))
[  217.716638][ T6098]  ? rtnl_newlink (net/core/rtnetlink.c:4215)
[  217.716640][ T6098]  ? rtnetlink_rcv_msg (net/core/rtnetlink.c:7132)
[  217.716644][ T6098]  br_set_state (net/bridge/br_stp.c:57 (discriminator 2))
[  217.716648][ T6098]  br_init_port (net/bridge/br_stp_if.c:39)
[  217.716651][ T6098]  new_nbp (net/bridge/br_if.c:449)
[  217.716655][ T6098]  br_add_if (net/bridge/br_if.c:592)
[  217.716657][ T6098]  ? is_bpf_text_address (./include/linux/rcupdate.h:882 kernel/bpf/core.c:751)
[  217.716661][ T6098]  ? kernel_text_address (kernel/extable.c:125 kernel/extable.c:94)
[  217.716666][ T6098]  do_set_master (net/core/rtnetlink.c:3071)
[  217.716670][ T6098]  do_setlink.isra.0 (net/core/rtnetlink.c:3273 (discriminator 1))
[  217.716673][ T6098]  ? stack_trace_save (kernel/stacktrace.c:122 (discriminator 1))
[  217.716677][ T6098]  ? rtnl_link_get_size (net/core/rtnetlink.c:747)
[  217.716678][ T6098]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:388 kernel/rcu/update.c:380)
[  217.716681][ T6098]  ? stack_depot_save_flags (lib/stackdepot.c:609 (discriminator 2) lib/stackdepot.c:676 (discriminator 2))
[  217.716684][ T6098]  ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4116 (discriminator 3) kernel/rcu/tree.c:4108 (discriminator 3))
[  217.716686][ T6098]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380)
[  217.716688][ T6098]  ? validate_chain (kernel/locking/lockdep.c:3817 (discriminator 2) kernel/locking/lockdep.c:3837 (discriminator 2) kernel/locking/lockdep.c:3892 (discriminator 2))
[  217.716690][ T6098]  ? kasan_save_stack (mm/kasan/common.c:58)
[  217.716693][ T6098]  ? kasan_save_stack (mm/kasan/common.c:57)
[  217.716694][ T6098]  ? kasan_save_track (mm/kasan/common.c:78)
[  217.716695][ T6098]  ? __kasan_kmalloc (mm/kasan/common.c:398 mm/kasan/common.c:415)
[  217.716697][ T6098]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[  217.716699][ T6098]  ? snd_ac97_proc_read_main (sound/pci/ac97/ac97_proc.c:320)
[  217.716702][ T6098]  ? ___sys_sendmsg (net/socket.c:2758)
[  217.716706][ T6098]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2))
[  217.716708][ T6098]  ? rtnl_newlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:366 net/core/rtnetlink.c:4214)
[  217.716711][ T6098]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  217.716712][ T6098]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  217.716714][ T6098]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  217.716715][ T6098]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  217.716717][ T6098]  ? trace_contention_end (./include/trace/events/lock.h:121 (discriminator 22))
[  217.716719][ T6098]  ? __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)
[  217.716722][ T6098]  ? __mutex_lock (kernel/locking/mutex.c:656 (discriminator 1) kernel/locking/mutex.c:821 (discriminator 1))
[  217.716724][ T6098]  ? rtnl_newlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:366 net/core/rtnetlink.c:4214)
[  217.716727][ T6098]  ? ww_mutex_lock (kernel/locking/mutex.c:934)
[  217.716728][ T6098]  ? nla_get_range_signed (lib/nlattr.c:270)
[  217.716733][ T6098]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  217.716735][ T6098]  ? __rtnl_newlink (net/core/rtnetlink.c:4063)
[  217.716741][ T6098]  rtnl_newlink (net/core/rtnetlink.c:4215)
[  217.716746][ T6098]  ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558)
[  217.716748][ T6098]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[  217.716753][ T6098]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2))
[  217.716755][ T6098]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[  217.716757][ T6098]  ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558)
[  217.716759][ T6098]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554)
[  217.716763][ T6098]  ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558)
[  217.716765][ T6098]  rtnetlink_rcv_msg (net/core/rtnetlink.c:7132)
[  217.716768][ T6098]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[  217.716769][ T6098]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[  217.716774][ T6098]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2))
[  217.716775][ T6098]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[  217.716779][ T6098]  netlink_rcv_skb (net/netlink/af_netlink.c:2556)
[  217.716782][ T6098]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[  217.716785][ T6098]  ? netlink_ack (./include/linux/skbuff.h:2718)
[  217.716792][ T6098]  ? 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))
[  217.716794][ T6098]  ? 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))
[  217.716798][ T6098]  netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[  217.716802][ T6098]  ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[  217.716805][ T6098]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[  217.716809][ T6098]  netlink_sendmsg (net/netlink/af_netlink.c:1900)
[  217.716813][ T6098]  ? netlink_unicast (./include/net/net_namespace.h:422 (discriminator 7))
[  217.716817][ T6098]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554)
[  217.716819][ T6098]  ? __import_iovec (lib/iov_iter.c:1358 lib/iov_iter.c:1373)
[  217.716824][ T6098]  __sock_sendmsg (net/socket.c:800 (discriminator 4) net/socket.c:815 (discriminator 4))
[  217.716827][ T6098]  ____sys_sendmsg (net/socket.c:2713)
[  217.716830][ T6098]  ? copy_msghdr_from_user (net/socket.c:2650)
[  217.716832][ T6098]  ? sock_write_iter (net/socket.c:1269)
[  217.716833][ T6098]  ? move_addr_to_kernel (net/socket.c:258)
[  217.716841][ T6098]  ___sys_sendmsg (net/socket.c:2767)
[  217.716844][ T6098]  ? copy_msghdr_from_user (net/socket.c:2619)
[  217.716860][ T6098]  __sys_sendmsg (net/socket.c:2799)
[  217.716863][ T6098]  ? __sys_sendmsg_sock (net/socket.c:2780)
[  217.716869][ T6098]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  217.716872][ T6098]  do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84)
[  217.716875][ T6098]  ? exc_page_fault (arch/x86/mm/fault.c:1489 (discriminator 3) arch/x86/mm/fault.c:1536 (discriminator 3))
[  217.716878][ T6098]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[  217.716880][ T6098] RIP: 0033:0x7f26873b254e
[  217.716884][ T6098] 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
[  217.716886][ T6098] RSP: 002b:00007ffdd7b63620 EFLAGS: 00000202 ORIG_RAX: 000000000000002e
[  217.716888][ T6098] RAX: ffffffffffffffda RBX: 0000000000000003 RCX: 00007f26873b254e
[  217.716890][ T6098] RDX: 0000000000000000 RSI: 00007ffdd7b636d0 RDI: 0000000000000005
[  217.716891][ T6098] RBP: 00007ffdd7b63630 R08: 0000000000000000 R09: 0000000000000000
[  217.716892][ T6098] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a90fcc6
[  217.716893][ T6098] R13: 00000000004a1620 R14: 0000000000000000 R15: 00007ffdd7b63d90
| [  222.239631][   T12] softirqs last disabled at (6541155): __irq_exit_rcu (kernel/softirq.c:679 kernel/softirq.c:519 kernel/softirq.c:767)
| [  222.239633][   T12] Preemption disabled at:
| [  222.239634][   T12] vprintk_emit (kernel/printk/printk.c:2471)
| [  222.239642][   T12] Tainted: [W]=WARN
[  222.239643][   T12] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[  222.239645][   T12] Workqueue: netns cleanup_net
[  222.239648][   T12] Call Trace:
[  222.239650][   T12]  <TASK>
[  222.239652][   T12]  dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120)
[  222.239658][   T12]  ? vprintk_emit (kernel/printk/printk.c:2471)
[  222.239659][   T12]  __might_resched.cold (kernel/sched/core.c:9234)
[  222.239664][   T12]  ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3))
[  222.239668][   T12]  ? __kmalloc_noprof (./include/linux/sched/mm.h:317 mm/slub.c:4636 mm/slub.c:4974 mm/slub.c:5413 mm/slub.c:5439)
[  222.239673][   T12]  __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))
[  222.239675][   T12]  ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[  222.239682][   T12]  ? 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)
[  222.239684][   T12]  alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[  222.239688][   T12]  put_chars (drivers/char/virtio_console.c:1176)
[  222.239691][   T12]  ? __send_to_port (drivers/char/virtio_console.c:654)
[  222.239692][   T12]  ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4116 (discriminator 3) kernel/rcu/tree.c:4108 (discriminator 3))
[  222.239696][   T12]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380)
[  222.239699][   T12]  ? validate_chain (kernel/locking/lockdep.c:3817 (discriminator 2) kernel/locking/lockdep.c:3837 (discriminator 2) kernel/locking/lockdep.c:3892 (discriminator 2))
[  222.239704][   T12]  hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2))
[  222.239708][   T12]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[  222.239714][   T12]  ? hvc_write (drivers/tty/hvc/hvc_console.c:501)
[  222.239717][   T12]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  222.239722][   T12]  console_emit_next_record (kernel/printk/printk.c:3183)
[  222.239726][   T12]  ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20)
[  222.239728][   T12]  ? 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))
[  222.239732][   T12]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  222.239733][   T12]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  222.239738][   T12]  console_flush_one_record (kernel/printk/printk.c:3268)
[  222.239742][   T12]  ? console_emit_next_record (kernel/printk/printk.c:3150)
[  222.239744][   T12]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[  222.239750][   T12]  console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420)
[  222.239753][   T12]  ? console_flush_one_record (kernel/printk/printk.c:3316)
[  222.239755][   T12]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  222.239757][   T12]  ? 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)
[  222.239761][   T12]  ? __down_trylock_console_sem (kernel/printk/printk.c:334)
[  222.239763][   T12]  ? vprintk_emit (kernel/printk/printk.c:2478)
[  222.239765][   T12]  vprintk_emit (kernel/printk/printk.c:2479)
[  222.239769][   T12]  ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126))
[  222.239770][   T12]  ? cleanup_net (net/core/net_namespace.c:706)
[  222.239772][   T12]  ? worker_thread (kernel/workqueue.c:3470 kernel/workqueue.c:3551)
[  222.239774][   T12]  ? kthread (kernel/kthread.c:436)
[  222.239776][   T12]  ? ret_from_fork (arch/x86/kernel/process.c:158)
[  222.239779][   T12]  ? ret_from_fork_asm (arch/x86/entry/entry_64.S:245)
[  222.239784][   T12]  _printk (kernel/printk/printk.c:2504)
[  222.239788][   T12]  ? snapshot_read.cold (user.c:?)
[  222.239793][   T12]  ? netdev_name (./include/linux/netdevice.h:5709 (discriminator 1))
[  222.239797][   T12]  ? __netdev_printk (net/core/dev.c:13148 (discriminator 2))
[  222.239801][   T12]  netdev_info (net/core/dev.c:13195 (discriminator 3))
[  222.239804][   T12]  ? netdev_notice (net/core/dev.c:13194)
[  222.239808][   T12]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  222.239810][   T12]  ? __up_read (kernel/locking/rwsem.c:1397 (discriminator 1))
[  222.239813][   T12]  ? down_write_nested (kernel/locking/rwsem.c:1759)
[  222.239815][   T12]  ? 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)
[  222.239818][   T12]  netif_set_allmulti.cold (net/core/dev.c:9731 (discriminator 3))
[  222.239822][   T12]  dev_set_allmulti (net/core/dev_api.c:315)
[  222.239825][   T12]  del_nbp (net/bridge/br_if.c:253 net/bridge/br_if.c:341)
[  222.239829][   T12]  ? __up_write (kernel/locking/rwsem.c:1415)
[  222.239830][   T12]  ? __up_write (kernel/locking/rwsem.c:1422 (discriminator 1))
[  222.239834][   T12]  br_dev_delete (net/bridge/br_if.c:387)
[  222.239838][   T12]  br_net_exit_rtnl (net/bridge/br.c:414)
[  222.239842][   T12]  ops_undo_list (net/core/net_namespace.c:181 net/core/net_namespace.c:249)
[  222.239846][   T12]  ? lockdep_hardirqs_on (kernel/locking/lockdep.c:4488)
[  222.239849][   T12]  ? netns_install (./include/linux/ns_common.h:26)
[  222.239851][   T12]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554)
[  222.239854][   T12]  ? idr_destroy (lib/radix-tree.c:310 lib/radix-tree.c:674 lib/radix-tree.c:1563)
[  222.239859][   T12]  cleanup_net (net/core/net_namespace.c:706)
[  222.239862][   T12]  ? net_passive_dec (./include/linux/llist.h:241)
[  222.239866][   T12]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  222.239868][   T12]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  222.239872][   T12]  process_one_work (kernel/workqueue.c:3387)
[  222.239879][   T12]  ? __queue_delayed_work (kernel/workqueue.c:2622)
[  222.239882][   T12]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2))
[  222.239890][   T12]  worker_thread (kernel/workqueue.c:3470 kernel/workqueue.c:3551)
[  222.239898][   T12]  ? rescuer_thread (./include/linux/list.h:419 (discriminator 3))
[  222.239903][   T12]  kthread (kernel/kthread.c:436)
[  222.239905][   T12]  ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22))
[  222.239908][   T12]  ? kthread_affine_preferred (kernel/kthread.c:857)
[  222.239911][   T12]  ret_from_fork (arch/x86/kernel/process.c:158)
[  222.239914][   T12]  ? arch_exit_to_user_mode_prepare.isra.0 (arch/x86/entry/vdso/vma.c:80 (discriminator 1))
[  222.239918][   T12]  ? __switch_to (arch/x86/kernel/process_64.c:403 arch/x86/kernel/process_64.c:663)
[  222.239921][   T12]  ? kthread_affine_preferred (kernel/kthread.c:857)
[  222.239924][   T12]  ret_from_fork_asm (arch/x86/entry/entry_64.S:245)
| [  226.584503][ T6312] softirqs last disabled at (40262): __alloc_skb (./include/linux/bottom_half.h:20 (discriminator 2) net/core/skbuff.c:697 (discriminator 2))
| [  226.584505][ T6312] Preemption disabled at:
| [  226.584506][ T6312] vprintk_emit (kernel/printk/printk.c:2471)
| [  226.584515][ T6312] Tainted: [W]=WARN
[  226.584516][ T6312] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[  226.584518][ T6312] Call Trace:
[  226.584520][ T6312]  <TASK>
[  226.584521][ T6312]  dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120)
[  226.584528][ T6312]  ? vprintk_emit (kernel/printk/printk.c:2471)
[  226.584529][ T6312]  __might_resched.cold (kernel/sched/core.c:9234)
[  226.584534][ T6312]  ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3))
[  226.584538][ T6312]  ? __kmalloc_noprof (./include/linux/sched/mm.h:317 mm/slub.c:4636 mm/slub.c:4974 mm/slub.c:5413 mm/slub.c:5439)
[  226.584543][ T6312]  __kmalloc_noprof (./include/linux/sched/mm.h:322 (discriminator 2) mm/slub.c:4636 (discriminator 2) mm/slub.c:4974 (discriminator 2) mm/slub.c:5413 (discriminator 2) mm/slub.c:5439 (discriminator 2))
[  226.584545][ T6312]  ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[  226.584551][ T6312]  ? do_raw_spin_unlock (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:32 ./include/asm-generic/qspinlock.h:58 kernel/locking/spinlock_debug.c:101 kernel/locking/spinlock_debug.c:141)
[  226.584554][ T6312]  alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[  226.584558][ T6312]  put_chars (drivers/char/virtio_console.c:1176)
[  226.584560][ T6312]  ? __send_to_port (drivers/char/virtio_console.c:654)
[  226.584561][ T6312]  ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4116 (discriminator 3) kernel/rcu/tree.c:4108 (discriminator 3))
[  226.584565][ T6312]  ? validate_chain (kernel/locking/lockdep.c:3817 (discriminator 2) kernel/locking/lockdep.c:3837 (discriminator 2) kernel/locking/lockdep.c:3892 (discriminator 2))
[  226.584579][ T6312]  hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2))
[  226.584588][ T6312]  ? hvc_write (drivers/tty/hvc/hvc_console.c:501)
[  226.584591][ T6312]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  226.584593][ T6312]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  226.584597][ T6312]  console_emit_next_record (kernel/printk/printk.c:3183)
[  226.584601][ T6312]  ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20)
[  226.584603][ T6312]  ? console_flush_one_record (./include/linux/rcupdate.h:314 (discriminator 2) ./include/linux/srcu.h:439 (discriminator 2) kernel/printk/printk.c:291 (discriminator 2) kernel/printk/printk.c:3246 (discriminator 2))
[  226.584607][ T6312]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  226.584608][ T6312]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  226.584612][ T6312]  console_flush_one_record (kernel/printk/printk.c:3268)
[  226.584617][ T6312]  ? console_emit_next_record (kernel/printk/printk.c:3150)
[  226.584619][ T6312]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[  226.584624][ T6312]  console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420)
[  226.584627][ T6312]  ? console_flush_one_record (kernel/printk/printk.c:3316)
[  226.584629][ T6312]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  226.584631][ T6312]  ? lock_acquire (./include/linux/srcutree.h:374 ./include/linux/srcu.h:541 ./include/linux/srcu.h:645 ./include/trace/events/lock.h:23 ./include/trace/events/lock.h:23 kernel/locking/lockdep.c:5871)
[  226.584634][ T6312]  ? __down_trylock_console_sem (kernel/printk/printk.c:334)
[  226.584636][ T6312]  ? vprintk_emit (kernel/printk/printk.c:2478)
[  226.584639][ T6312]  vprintk_emit (kernel/printk/printk.c:2479)
[  226.584642][ T6312]  ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126))
[  226.584644][ T6312]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554)
[  226.584647][ T6312]  ? mark_held_locks (kernel/locking/lockdep.c:4341)
[  226.584650][ T6312]  _printk (kernel/printk/printk.c:2504)
[  226.584654][ T6312]  ? snapshot_read.cold (user.c:?)
[  226.584658][ T6312]  ? br_multicast_flood (??:?)
[  226.584661][ T6312]  ? do_setlink.isra.0 (net/core/rtnetlink.c:3273 (discriminator 1))
[  226.584663][ T6312]  ? rtnl_newlink (net/core/rtnetlink.c:4215)
[  226.584664][ T6312]  ? rtnetlink_rcv_msg (net/core/rtnetlink.c:7132)
[  226.584668][ T6312]  br_set_state (net/bridge/br_stp.c:57 (discriminator 2))
[  226.584673][ T6312]  br_init_port (net/bridge/br_stp_if.c:39)
[  226.584676][ T6312]  new_nbp (net/bridge/br_if.c:449)
[  226.584680][ T6312]  br_add_if (net/bridge/br_if.c:592)
[  226.584684][ T6312]  ? is_bpf_text_address (./include/linux/rcupdate.h:882 kernel/bpf/core.c:751)
[  226.584687][ T6312]  ? kernel_text_address (kernel/extable.c:125 kernel/extable.c:94)
[  226.584694][ T6312]  do_set_master (net/core/rtnetlink.c:3071)
[  226.584698][ T6312]  do_setlink.isra.0 (net/core/rtnetlink.c:3273 (discriminator 1))
[  226.584702][ T6312]  ? stack_trace_save (kernel/stacktrace.c:122 (discriminator 1))
[  226.584706][ T6312]  ? rtnl_link_get_size (net/core/rtnetlink.c:747)
[  226.584707][ T6312]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:388 kernel/rcu/update.c:380)
[  226.584710][ T6312]  ? stack_depot_save_flags (lib/stackdepot.c:609 (discriminator 2) lib/stackdepot.c:676 (discriminator 2))
[  226.584713][ T6312]  ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4116 (discriminator 3) kernel/rcu/tree.c:4108 (discriminator 3))
[  226.584715][ T6312]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380)
[  226.584717][ T6312]  ? validate_chain (kernel/locking/lockdep.c:3817 (discriminator 2) kernel/locking/lockdep.c:3837 (discriminator 2) kernel/locking/lockdep.c:3892 (discriminator 2))
[  226.584719][ T6312]  ? kasan_save_stack (mm/kasan/common.c:58)
[  226.584722][ T6312]  ? kasan_save_stack (mm/kasan/common.c:57)
[  226.584723][ T6312]  ? kasan_save_track (mm/kasan/common.c:78)
[  226.584725][ T6312]  ? __kasan_kmalloc (mm/kasan/common.c:398 mm/kasan/common.c:415)
[  226.584727][ T6312]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[  226.584730][ T6312]  ? snd_ac97_proc_read_main (sound/pci/ac97/ac97_proc.c:320)
[  226.584734][ T6312]  ? ___sys_sendmsg (net/socket.c:2758)
[  226.584738][ T6312]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2))
[  226.584740][ T6312]  ? rtnl_newlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:366 net/core/rtnetlink.c:4214)
[  226.584743][ T6312]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  226.584745][ T6312]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  226.584746][ T6312]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  226.584747][ T6312]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  226.584749][ T6312]  ? trace_contention_end (./include/trace/events/lock.h:121 (discriminator 22))
[  226.584752][ T6312]  ? __mutex_lock (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:3188 kernel/locking/mutex.c:89 kernel/locking/mutex.c:134 kernel/locking/mutex.c:649 kernel/locking/mutex.c:821)
[  226.584754][ T6312]  ? __mutex_lock (kernel/locking/mutex.c:656 (discriminator 1) kernel/locking/mutex.c:821 (discriminator 1))
[  226.584757][ T6312]  ? rtnl_newlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:366 net/core/rtnetlink.c:4214)
[  226.584760][ T6312]  ? ww_mutex_lock (kernel/locking/mutex.c:934)
[  226.584762][ T6312]  ? nla_get_range_signed (lib/nlattr.c:270)
[  226.584767][ T6312]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  226.584769][ T6312]  ? __rtnl_newlink (net/core/rtnetlink.c:4063)
[  226.584775][ T6312]  rtnl_newlink (net/core/rtnetlink.c:4215)
[  226.584781][ T6312]  ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558)
[  226.584783][ T6312]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[  226.584787][ T6312]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2))
[  226.584789][ T6312]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[  226.584791][ T6312]  ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558)
[  226.584793][ T6312]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554)
[  226.584798][ T6312]  ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558)
[  226.584800][ T6312]  rtnetlink_rcv_msg (net/core/rtnetlink.c:7132)
[  226.584804][ T6312]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[  226.584806][ T6312]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[  226.584811][ T6312]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2))
[  226.584813][ T6312]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[  226.584816][ T6312]  netlink_rcv_skb (net/netlink/af_netlink.c:2556)
[  226.584820][ T6312]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[  226.584823][ T6312]  ? netlink_ack (./include/linux/skbuff.h:2718)
[  226.584830][ T6312]  ? netlink_deliver_tap (./include/linux/rcupdate.h:319 (discriminator 2) ./include/linux/rcupdate.h:880 (discriminator 2) ./include/net/netns/generic.h:48 (discriminator 2) net/netlink/af_netlink.c:334 (discriminator 2))
[  226.584832][ T6312]  ? netlink_deliver_tap (./include/linux/rcupdate.h:319 (discriminator 2) ./include/linux/rcupdate.h:880 (discriminator 2) net/netlink/af_netlink.c:341 (discriminator 2))
[  226.584837][ T6312]  netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[  226.584842][ T6312]  ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[  226.584844][ T6312]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[  226.584849][ T6312]  netlink_sendmsg (net/netlink/af_netlink.c:1900)
[  226.584853][ T6312]  ? netlink_unicast (./include/net/net_namespace.h:422 (discriminator 7))
[  226.584857][ T6312]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554)
[  226.584859][ T6312]  ? __import_iovec (lib/iov_iter.c:1358 lib/iov_iter.c:1373)
[  226.584865][ T6312]  __sock_sendmsg (net/socket.c:800 (discriminator 4) net/socket.c:815 (discriminator 4))
[  226.584867][ T6312]  ____sys_sendmsg (net/socket.c:2713)
[  226.584870][ T6312]  ? copy_msghdr_from_user (net/socket.c:2650)
[  226.584872][ T6312]  ? sock_write_iter (net/socket.c:1269)
[  226.584874][ T6312]  ? move_addr_to_kernel (net/socket.c:258)
[  226.584882][ T6312]  ___sys_sendmsg (net/socket.c:2767)
[  226.584884][ T6312]  ? copy_msghdr_from_user (net/socket.c:2619)
[  226.584907][ T6312]  __sys_sendmsg (net/socket.c:2799)
[  226.584912][ T6312]  ? __sys_sendmsg_sock (net/socket.c:2780)
[  226.584920][ T6312]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  226.584923][ T6312]  do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84)
[  226.584926][ T6312]  ? exc_page_fault (arch/x86/mm/fault.c:1489 (discriminator 3) arch/x86/mm/fault.c:1536 (discriminator 3))
[  226.584930][ T6312]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[  226.584932][ T6312] RIP: 0033:0x7f48fb5bd54e
[  226.584937][ T6312] Code: 4d 89 d8 e8 b4 bd 00 00 4c 8b 5d f8 41 8b 93 08 03 00 00 59 5e 48 83 f8 fc 74 11 c9 c3 0f 1f 80 00 00 00 00 48 8b 45 10 0f 05 <c9> c3 83 e2 39 83 fa 08 75 e7 e8 03 ff ff ff 0f 1f 00 f3 0f 1e fa
All code
========
   0:	4d 89 d8             	mov    %r11,%r8
   3:	e8 b4 bd 00 00       	call   0xbdbc
   8:	4c 8b 5d f8          	mov    -0x8(%rbp),%r11
   c:	41 8b 93 08 03 00 00 	mov    0x308(%r11),%edx
  13:	59                   	pop    %rcx
  14:	5e                   	pop    %rsi
  15:	48 83 f8 fc          	cmp    $0xfffffffffffffffc,%rax
  19:	74 11                	je     0x2c
  1b:	c9                   	leave
  1c:	c3                   	ret
  1d:	0f 1f 80 00 00 00 00 	nopl   0x0(%rax)
  24:	48 8b 45 10          	mov    0x10(%rbp),%rax
  28:	0f 05                	syscall
  2a:*	c9                   	leave		<-- trapping instruction
  2b:	c3                   	ret
  2c:	83 e2 39             	and    $0x39,%edx
  2f:	83 fa 08             	cmp    $0x8,%edx
  32:	75 e7                	jne    0x1b
  34:	e8 03 ff ff ff       	call   0xffffffffffffff3c
  39:	0f 1f 00             	nopl   (%rax)
  3c:	f3 0f 1e fa          	endbr64

Code starting with the faulting instruction
===========================================
   0:	c9                   	leave
   1:	c3                   	ret
   2:	83 e2 39             	and    $0x39,%edx
   5:	83 fa 08             	cmp    $0x8,%edx
   8:	75 e7                	jne    0xfffffffffffffff1
   a:	e8 03 ff ff ff       	call   0xffffffffffffff12
   f:	0f 1f 00             	nopl   (%rax)
  12:	f3 0f 1e fa          	endbr64
[  226.584939][ T6312] RSP: 002b:00007ffe39efe1d0 EFLAGS: 00000202 ORIG_RAX: 000000000000002e
[  226.584943][ T6312] RAX: ffffffffffffffda RBX: 0000000000000003 RCX: 00007f48fb5bd54e
[  226.584945][ T6312] RDX: 0000000000000000 RSI: 00007ffe39efe280 RDI: 0000000000000005
[  226.584946][ T6312] RBP: 00007ffe39efe1e0 R08: 0000000000000000 R09: 0000000000000000
[  226.584947][ T6312] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a90fcce
[  226.584948][ T6312] R13: 00000000004a1620 R14: 0000000000000000 R15: 00007ffe39efe940
| [  231.168865][   T12] softirqs last disabled at (6736274): netlink_release (./include/net/sock.h:2138 net/netlink/af_netlink.c:727)
| [  231.168867][   T12] Preemption disabled at:
| [  231.168868][   T12] vprintk_emit (kernel/printk/printk.c:2471)
| [  231.168877][   T12] Tainted: [W]=WARN
[  231.168878][   T12] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[  231.168880][   T12] Workqueue: netns cleanup_net
[  231.168883][   T12] Call Trace:
[  231.168885][   T12]  <TASK>
[  231.168887][   T12]  dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120)
[  231.168894][   T12]  ? vprintk_emit (kernel/printk/printk.c:2471)
[  231.168897][   T12]  __might_resched.cold (kernel/sched/core.c:9234)
[  231.168906][   T12]  ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3))
[  231.168910][   T12]  ? __kmalloc_noprof (./include/linux/sched/mm.h:317 mm/slub.c:4636 mm/slub.c:4974 mm/slub.c:5413 mm/slub.c:5439)
[  231.168915][   T12]  __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))
[  231.168917][   T12]  ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[  231.168924][   T12]  ? 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)
[  231.168926][   T12]  alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[  231.168930][   T12]  put_chars (drivers/char/virtio_console.c:1176)
[  231.168933][   T12]  ? __send_to_port (drivers/char/virtio_console.c:654)
[  231.168934][   T12]  ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4116 (discriminator 3) kernel/rcu/tree.c:4108 (discriminator 3))
[  231.168938][   T12]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380)
[  231.168941][   T12]  ? validate_chain (kernel/locking/lockdep.c:3817 (discriminator 2) kernel/locking/lockdep.c:3837 (discriminator 2) kernel/locking/lockdep.c:3892 (discriminator 2))
[  231.168946][   T12]  hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2))
[  231.168950][   T12]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[  231.168956][   T12]  ? hvc_write (drivers/tty/hvc/hvc_console.c:501)
[  231.168959][   T12]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  231.168964][   T12]  console_emit_next_record (kernel/printk/printk.c:3183)
[  231.168968][   T12]  ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20)
[  231.168970][   T12]  ? 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))
[  231.168974][   T12]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  231.168975][   T12]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  231.168980][   T12]  console_flush_one_record (kernel/printk/printk.c:3268)
[  231.168984][   T12]  ? console_emit_next_record (kernel/printk/printk.c:3150)
[  231.168986][   T12]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[  231.168992][   T12]  console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420)
[  231.168995][   T12]  ? console_flush_one_record (kernel/printk/printk.c:3316)
[  231.168997][   T12]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  231.168998][   T12]  ? 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)
[  231.169002][   T12]  ? __down_trylock_console_sem (kernel/printk/printk.c:334)
[  231.169004][   T12]  ? vprintk_emit (kernel/printk/printk.c:2478)
[  231.169007][   T12]  vprintk_emit (kernel/printk/printk.c:2479)
[  231.169011][   T12]  ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126))
[  231.169012][   T12]  ? cleanup_net (net/core/net_namespace.c:706)
[  231.169014][   T12]  ? worker_thread (kernel/workqueue.c:3470 kernel/workqueue.c:3551)
[  231.169016][   T12]  ? kthread (kernel/kthread.c:436)
[  231.169018][   T12]  ? ret_from_fork (arch/x86/kernel/process.c:158)
[  231.169021][   T12]  ? ret_from_fork_asm (arch/x86/entry/entry_64.S:245)
[  231.169026][   T12]  _printk (kernel/printk/printk.c:2504)
[  231.169030][   T12]  ? snapshot_read.cold (user.c:?)
[  231.169034][   T12]  ? netdev_name (./include/linux/netdevice.h:5709 (discriminator 1))
[  231.169039][   T12]  ? __netdev_printk (net/core/dev.c:13148 (discriminator 2))
[  231.169045][   T12]  netdev_info (net/core/dev.c:13195 (discriminator 3))
[  231.169049][   T12]  ? netdev_notice (net/core/dev.c:13194)
[  231.169055][   T12]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  231.169057][   T12]  ? __up_read (kernel/locking/rwsem.c:1397 (discriminator 1))
[  231.169059][   T12]  ? down_write_nested (kernel/locking/rwsem.c:1759)
[  231.169061][   T12]  ? 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)
[  231.169064][   T12]  netif_set_allmulti.cold (net/core/dev.c:9731 (discriminator 3))
[  231.169068][   T12]  dev_set_allmulti (net/core/dev_api.c:315)
[  231.169072][   T12]  del_nbp (net/bridge/br_if.c:253 net/bridge/br_if.c:341)
[  231.169076][   T12]  ? __up_write (kernel/locking/rwsem.c:1415)
[  231.169077][   T12]  ? __up_write (kernel/locking/rwsem.c:1422 (discriminator 1))
[  231.169081][   T12]  br_dev_delete (net/bridge/br_if.c:387)
[  231.169085][   T12]  br_net_exit_rtnl (net/bridge/br.c:414)
[  231.169089][   T12]  ops_undo_list (net/core/net_namespace.c:181 net/core/net_namespace.c:249)
[  231.169092][   T12]  ? lockdep_hardirqs_on (kernel/locking/lockdep.c:4488)
[  231.169096][   T12]  ? netns_install (./include/linux/ns_common.h:26)
[  231.169098][   T12]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554)
[  231.169101][   T12]  ? idr_destroy (lib/radix-tree.c:310 lib/radix-tree.c:674 lib/radix-tree.c:1563)
[  231.169106][   T12]  cleanup_net (net/core/net_namespace.c:706)
[  231.169110][   T12]  ? net_passive_dec (./include/linux/llist.h:241)
[  231.169114][   T12]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  231.169116][   T12]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  231.169119][   T12]  process_one_work (kernel/workqueue.c:3387)
[  231.169126][   T12]  ? __queue_delayed_work (kernel/workqueue.c:2622)
[  231.169129][   T12]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2))
[  231.169137][   T12]  worker_thread (kernel/workqueue.c:3470 kernel/workqueue.c:3551)
[  231.169145][   T12]  ? rescuer_thread (./include/linux/list.h:419 (discriminator 3))
[  231.169147][   T12]  kthread (kernel/kthread.c:436)
[  231.169149][   T12]  ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22))
[  231.169152][   T12]  ? kthread_affine_preferred (kernel/kthread.c:857)
[  231.169155][   T12]  ret_from_fork (arch/x86/kernel/process.c:158)
[  231.169158][   T12]  ? arch_exit_to_user_mode_prepare.isra.0 (arch/x86/entry/vdso/vma.c:80 (discriminator 1))
[  231.169162][   T12]  ? __switch_to (arch/x86/kernel/process_64.c:403 arch/x86/kernel/process_64.c:663)
[  231.169165][   T12]  ? kthread_affine_preferred (kernel/kthread.c:857)
[  231.169168][   T12]  ret_from_fork_asm (arch/x86/entry/entry_64.S:245)
| [  235.426249][ T6514] softirqs last disabled at (36862): __alloc_skb (./include/linux/bottom_half.h:20 (discriminator 2) net/core/skbuff.c:697 (discriminator 2))
| [  235.426251][ T6514] Preemption disabled at:
| [  235.426252][ T6514] vprintk_emit (kernel/printk/printk.c:2471)
| [  235.426261][ T6514] Tainted: [W]=WARN
[  235.426261][ T6514] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[  235.426263][ T6514] Call Trace:
[  235.426265][ T6514]  <TASK>
[  235.426266][ T6514]  dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120)
[  235.426272][ T6514]  ? vprintk_emit (kernel/printk/printk.c:2471)
[  235.426274][ T6514]  __might_resched.cold (kernel/sched/core.c:9234)
[  235.426279][ T6514]  ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3))
[  235.426283][ T6514]  ? __kmalloc_noprof (./include/linux/sched/mm.h:317 mm/slub.c:4636 mm/slub.c:4974 mm/slub.c:5413 mm/slub.c:5439)
[  235.426287][ T6514]  __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))
[  235.426289][ T6514]  ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[  235.426296][ T6514]  ? 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)
[  235.426298][ T6514]  alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[  235.426302][ T6514]  put_chars (drivers/char/virtio_console.c:1176)
[  235.426305][ T6514]  ? __send_to_port (drivers/char/virtio_console.c:654)
[  235.426306][ T6514]  ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4116 (discriminator 3) kernel/rcu/tree.c:4108 (discriminator 3))
[  235.426310][ T6514]  ? validate_chain (kernel/locking/lockdep.c:3817 (discriminator 2) kernel/locking/lockdep.c:3837 (discriminator 2) kernel/locking/lockdep.c:3892 (discriminator 2))
[  235.426315][ T6514]  hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2))
[  235.426324][ T6514]  ? hvc_write (drivers/tty/hvc/hvc_console.c:501)
[  235.426326][ T6514]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  235.426328][ T6514]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  235.426332][ T6514]  console_emit_next_record (kernel/printk/printk.c:3183)
[  235.426337][ T6514]  ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20)
[  235.426339][ T6514]  ? 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))
[  235.426342][ T6514]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  235.426344][ T6514]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  235.426348][ T6514]  console_flush_one_record (kernel/printk/printk.c:3268)
[  235.426353][ T6514]  ? console_emit_next_record (kernel/printk/printk.c:3150)
[  235.426354][ T6514]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[  235.426360][ T6514]  console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420)
[  235.426363][ T6514]  ? console_flush_one_record (kernel/printk/printk.c:3316)
[  235.426365][ T6514]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  235.426367][ T6514]  ? 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)
[  235.426371][ T6514]  ? __down_trylock_console_sem (kernel/printk/printk.c:334)
[  235.426373][ T6514]  ? vprintk_emit (kernel/printk/printk.c:2478)
[  235.426375][ T6514]  vprintk_emit (kernel/printk/printk.c:2479)
[  235.426379][ T6514]  ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126))
[  235.426381][ T6514]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554)
[  235.426383][ T6514]  ? mark_held_locks (kernel/locking/lockdep.c:4341)
[  235.426387][ T6514]  _printk (kernel/printk/printk.c:2504)
[  235.426391][ T6514]  ? snapshot_read.cold (user.c:?)
[  235.426394][ T6514]  ? br_multicast_flood (??:?)
[  235.426398][ T6514]  ? do_setlink.isra.0 (net/core/rtnetlink.c:3273 (discriminator 1))
[  235.426399][ T6514]  ? rtnl_newlink (net/core/rtnetlink.c:4215)
[  235.426400][ T6514]  ? rtnetlink_rcv_msg (net/core/rtnetlink.c:7132)
[  235.426405][ T6514]  br_set_state (net/bridge/br_stp.c:57 (discriminator 2))
[  235.426409][ T6514]  br_init_port (net/bridge/br_stp_if.c:39)
[  235.426412][ T6514]  new_nbp (net/bridge/br_if.c:449)
[  235.426416][ T6514]  br_add_if (net/bridge/br_if.c:592)
[  235.426418][ T6514]  ? is_bpf_text_address (./include/linux/rcupdate.h:882 kernel/bpf/core.c:751)
[  235.426422][ T6514]  ? kernel_text_address (kernel/extable.c:125 kernel/extable.c:94)
[  235.426428][ T6514]  do_set_master (net/core/rtnetlink.c:3071)
[  235.426431][ T6514]  do_setlink.isra.0 (net/core/rtnetlink.c:3273 (discriminator 1))
[  235.426435][ T6514]  ? stack_trace_save (kernel/stacktrace.c:122 (discriminator 1))
[  235.426438][ T6514]  ? rtnl_link_get_size (net/core/rtnetlink.c:747)
[  235.426440][ T6514]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:388 kernel/rcu/update.c:380)
[  235.426442][ T6514]  ? stack_depot_save_flags (lib/stackdepot.c:609 (discriminator 2) lib/stackdepot.c:676 (discriminator 2))
[  235.426446][ T6514]  ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4116 (discriminator 3) kernel/rcu/tree.c:4108 (discriminator 3))
[  235.426448][ T6514]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380)
[  235.426450][ T6514]  ? validate_chain (kernel/locking/lockdep.c:3817 (discriminator 2) kernel/locking/lockdep.c:3837 (discriminator 2) kernel/locking/lockdep.c:3892 (discriminator 2))
[  235.426452][ T6514]  ? kasan_save_stack (mm/kasan/common.c:58)
[  235.426455][ T6514]  ? kasan_save_stack (mm/kasan/common.c:57)
[  235.426456][ T6514]  ? kasan_save_track (mm/kasan/common.c:78)
[  235.426457][ T6514]  ? __kasan_kmalloc (mm/kasan/common.c:398 mm/kasan/common.c:415)
[  235.426459][ T6514]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[  235.426461][ T6514]  ? snd_ac97_proc_read_main (sound/pci/ac97/ac97_proc.c:320)
[  235.426464][ T6514]  ? ___sys_sendmsg (net/socket.c:2758)
[  235.426468][ T6514]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2))
[  235.426470][ T6514]  ? rtnl_newlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:366 net/core/rtnetlink.c:4214)
[  235.426473][ T6514]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  235.426475][ T6514]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  235.426476][ T6514]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  235.426478][ T6514]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  235.426479][ T6514]  ? trace_contention_end (./include/trace/events/lock.h:121 (discriminator 22))
[  235.426482][ T6514]  ? __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)
[  235.426484][ T6514]  ? __mutex_lock (kernel/locking/mutex.c:656 (discriminator 1) kernel/locking/mutex.c:821 (discriminator 1))
[  235.426486][ T6514]  ? rtnl_newlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:366 net/core/rtnetlink.c:4214)
[  235.426490][ T6514]  ? ww_mutex_lock (kernel/locking/mutex.c:934)
[  235.426491][ T6514]  ? nla_get_range_signed (lib/nlattr.c:270)
[  235.426496][ T6514]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  235.426499][ T6514]  ? __rtnl_newlink (net/core/rtnetlink.c:4063)
[  235.426504][ T6514]  rtnl_newlink (net/core/rtnetlink.c:4215)
[  235.426510][ T6514]  ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558)
[  235.426512][ T6514]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[  235.426516][ T6514]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2))
[  235.426518][ T6514]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[  235.426521][ T6514]  ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558)
[  235.426522][ T6514]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554)
[  235.426526][ T6514]  ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558)
[  235.426528][ T6514]  rtnetlink_rcv_msg (net/core/rtnetlink.c:7132)
[  235.426532][ T6514]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[  235.426533][ T6514]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[  235.426538][ T6514]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2))
[  235.426540][ T6514]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[  235.426543][ T6514]  netlink_rcv_skb (net/netlink/af_netlink.c:2556)
[  235.426547][ T6514]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[  235.426550][ T6514]  ? netlink_ack (./include/linux/skbuff.h:2718)
[  235.426556][ T6514]  ? 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))
[  235.426559][ T6514]  ? 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))
[  235.426563][ T6514]  netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[  235.426568][ T6514]  ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[  235.426570][ T6514]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[  235.426575][ T6514]  netlink_sendmsg (net/netlink/af_netlink.c:1900)
[  235.426579][ T6514]  ? netlink_unicast (./include/net/net_namespace.h:422 (discriminator 7))
[  235.426583][ T6514]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554)
[  235.426585][ T6514]  ? __import_iovec (lib/iov_iter.c:1358 lib/iov_iter.c:1373)
[  235.426590][ T6514]  __sock_sendmsg (net/socket.c:800 (discriminator 4) net/socket.c:815 (discriminator 4))
[  235.426593][ T6514]  ____sys_sendmsg (net/socket.c:2713)
[  235.426596][ T6514]  ? copy_msghdr_from_user (net/socket.c:2650)
[  235.426598][ T6514]  ? sock_write_iter (net/socket.c:1269)
[  235.426600][ T6514]  ? move_addr_to_kernel (net/socket.c:258)
[  235.426607][ T6514]  ___sys_sendmsg (net/socket.c:2767)
[  235.426610][ T6514]  ? copy_msghdr_from_user (net/socket.c:2619)
[  235.426627][ T6514]  __sys_sendmsg (net/socket.c:2799)
[  235.426630][ T6514]  ? __sys_sendmsg_sock (net/socket.c:2780)
[  235.426637][ T6514]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  235.426640][ T6514]  do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84)
[  235.426649][ T6514]  ? exc_page_fault (arch/x86/mm/fault.c:1489 (discriminator 3) arch/x86/mm/fault.c:1536 (discriminator 3))
[  235.426653][ T6514]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[  235.426655][ T6514] RIP: 0033:0x7f7b4352b54e
[  235.426659][ T6514] 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
[  235.426661][ T6514] RSP: 002b:00007fff6edd85e0 EFLAGS: 00000202 ORIG_RAX: 000000000000002e
[  235.426664][ T6514] RAX: ffffffffffffffda RBX: 0000000000000003 RCX: 00007f7b4352b54e
[  235.426666][ T6514] RDX: 0000000000000000 RSI: 00007fff6edd8690 RDI: 0000000000000005
[  235.426667][ T6514] RBP: 00007fff6edd85f0 R08: 0000000000000000 R09: 0000000000000000
[  235.426667][ T6514] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a90fcd7
[  235.426668][ T6514] R13: 00000000004a1620 R14: 0000000000000000 R15: 00007fff6edd8d50
| [  240.059038][   T12] softirqs last disabled at (6953432): netlink_release (./include/net/sock.h:2138 net/netlink/af_netlink.c:727)
| [  240.059040][   T12] Preemption disabled at:
| [  240.059041][   T12] vprintk_emit (kernel/printk/printk.c:2471)
| [  240.059050][   T12] Tainted: [W]=WARN
[  240.059051][   T12] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[  240.059052][   T12] Workqueue: netns cleanup_net
[  240.059056][   T12] Call Trace:
[  240.059057][   T12]  <TASK>
[  240.059060][   T12]  dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120)
[  240.059066][   T12]  ? vprintk_emit (kernel/printk/printk.c:2471)
[  240.059068][   T12]  __might_resched.cold (kernel/sched/core.c:9234)
[  240.059072][   T12]  ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3))
[  240.059076][   T12]  ? __kmalloc_noprof (./include/linux/sched/mm.h:317 mm/slub.c:4636 mm/slub.c:4974 mm/slub.c:5413 mm/slub.c:5439)
[  240.059081][   T12]  __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))
[  240.059083][   T12]  ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[  240.059089][   T12]  ? 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)
[  240.059092][   T12]  alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[  240.059096][   T12]  put_chars (drivers/char/virtio_console.c:1176)
[  240.059099][   T12]  ? __send_to_port (drivers/char/virtio_console.c:654)
[  240.059100][   T12]  ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4116 (discriminator 3) kernel/rcu/tree.c:4108 (discriminator 3))
[  240.059104][   T12]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380)
[  240.059107][   T12]  ? validate_chain (kernel/locking/lockdep.c:3817 (discriminator 2) kernel/locking/lockdep.c:3837 (discriminator 2) kernel/locking/lockdep.c:3892 (discriminator 2))
[  240.059112][   T12]  hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2))
[  240.059116][   T12]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[  240.059121][   T12]  ? hvc_write (drivers/tty/hvc/hvc_console.c:501)
[  240.059124][   T12]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  240.059129][   T12]  console_emit_next_record (kernel/printk/printk.c:3183)
[  240.059134][   T12]  ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20)
[  240.059136][   T12]  ? 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))
[  240.059139][   T12]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  240.059141][   T12]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  240.059145][   T12]  console_flush_one_record (kernel/printk/printk.c:3268)
[  240.059149][   T12]  ? console_emit_next_record (kernel/printk/printk.c:3150)
[  240.059151][   T12]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[  240.059157][   T12]  console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420)
[  240.059160][   T12]  ? console_flush_one_record (kernel/printk/printk.c:3316)
[  240.059162][   T12]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  240.059164][   T12]  ? 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)
[  240.059167][   T12]  ? __down_trylock_console_sem (kernel/printk/printk.c:334)
[  240.059169][   T12]  ? vprintk_emit (kernel/printk/printk.c:2478)
[  240.059172][   T12]  vprintk_emit (kernel/printk/printk.c:2479)
[  240.059176][   T12]  ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126))
[  240.059177][   T12]  ? cleanup_net (net/core/net_namespace.c:706)
[  240.059179][   T12]  ? worker_thread (kernel/workqueue.c:3470 kernel/workqueue.c:3551)
[  240.059181][   T12]  ? kthread (kernel/kthread.c:436)
[  240.059183][   T12]  ? ret_from_fork (arch/x86/kernel/process.c:158)
[  240.059186][   T12]  ? ret_from_fork_asm (arch/x86/entry/entry_64.S:245)
[  240.059191][   T12]  _printk (kernel/printk/printk.c:2504)
[  240.059194][   T12]  ? snapshot_read.cold (user.c:?)
[  240.059199][   T12]  ? netdev_name (./include/linux/netdevice.h:5709 (discriminator 1))
[  240.059203][   T12]  ? __netdev_printk (net/core/dev.c:13148 (discriminator 2))
[  240.059207][   T12]  netdev_info (net/core/dev.c:13195 (discriminator 3))
[  240.059210][   T12]  ? netdev_notice (net/core/dev.c:13194)
[  240.059215][   T12]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  240.059216][   T12]  ? __up_read (kernel/locking/rwsem.c:1397 (discriminator 1))
[  240.059219][   T12]  ? down_write_nested (kernel/locking/rwsem.c:1759)
[  240.059221][   T12]  ? 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)
[  240.059224][   T12]  netif_set_allmulti.cold (net/core/dev.c:9731 (discriminator 3))
[  240.059228][   T12]  dev_set_allmulti (net/core/dev_api.c:315)
[  240.059231][   T12]  del_nbp (net/bridge/br_if.c:253 net/bridge/br_if.c:341)
[  240.059235][   T12]  ? __up_write (kernel/locking/rwsem.c:1415)
[  240.059236][   T12]  ? __up_write (kernel/locking/rwsem.c:1422 (discriminator 1))
[  240.059240][   T12]  br_dev_delete (net/bridge/br_if.c:387)
[  240.059244][   T12]  br_net_exit_rtnl (net/bridge/br.c:414)
[  240.059247][   T12]  ops_undo_list (net/core/net_namespace.c:181 net/core/net_namespace.c:249)
[  240.059251][   T12]  ? lockdep_hardirqs_on (kernel/locking/lockdep.c:4488)
[  240.059255][   T12]  ? netns_install (./include/linux/ns_common.h:26)
[  240.059257][   T12]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554)
[  240.059260][   T12]  ? idr_destroy (lib/radix-tree.c:310 lib/radix-tree.c:674 lib/radix-tree.c:1563)
[  240.059265][   T12]  cleanup_net (net/core/net_namespace.c:706)
[  240.059268][   T12]  ? net_passive_dec (./include/linux/llist.h:241)
[  240.059272][   T12]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  240.059274][   T12]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  240.059278][   T12]  process_one_work (kernel/workqueue.c:3387)
[  240.059285][   T12]  ? __queue_delayed_work (kernel/workqueue.c:2622)
[  240.059288][   T12]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2))
[  240.059296][   T12]  worker_thread (kernel/workqueue.c:3470 kernel/workqueue.c:3551)
[  240.059304][   T12]  ? rescuer_thread (./include/linux/list.h:419 (discriminator 3))
[  240.059306][   T12]  kthread (kernel/kthread.c:436)
[  240.059308][   T12]  ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22))
[  240.059311][   T12]  ? kthread_affine_preferred (kernel/kthread.c:857)
[  240.059314][   T12]  ret_from_fork (arch/x86/kernel/process.c:158)
[  240.059317][   T12]  ? arch_exit_to_user_mode_prepare.isra.0 (arch/x86/entry/vdso/vma.c:80 (discriminator 1))
[  240.059320][   T12]  ? __switch_to (arch/x86/kernel/process_64.c:403 arch/x86/kernel/process_64.c:663)
[  240.059324][   T12]  ? kthread_affine_preferred (kernel/kthread.c:857)
[  240.059327][   T12]  ret_from_fork_asm (arch/x86/entry/entry_64.S:245)
| [  244.405558][ T6728] softirqs last disabled at (35992): __alloc_skb (./include/linux/bottom_half.h:20 (discriminator 2) net/core/skbuff.c:697 (discriminator 2))
| [  244.405560][ T6728] Preemption disabled at:
| [  244.405561][ T6728] vprintk_emit (kernel/printk/printk.c:2471)
| [  244.405570][ T6728] Tainted: [W]=WARN
[  244.405571][ T6728] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[  244.405572][ T6728] Call Trace:
[  244.405574][ T6728]  <TASK>
[  244.405575][ T6728]  dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120)
[  244.405581][ T6728]  ? vprintk_emit (kernel/printk/printk.c:2471)
[  244.405583][ T6728]  __might_resched.cold (kernel/sched/core.c:9234)
[  244.405587][ T6728]  ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3))
[  244.405591][ T6728]  ? __kmalloc_noprof (./include/linux/sched/mm.h:317 mm/slub.c:4636 mm/slub.c:4974 mm/slub.c:5413 mm/slub.c:5439)
[  244.405596][ T6728]  __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))
[  244.405597][ T6728]  ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[  244.405604][ T6728]  ? 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)
[  244.405607][ T6728]  alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[  244.405611][ T6728]  put_chars (drivers/char/virtio_console.c:1176)
[  244.405613][ T6728]  ? __send_to_port (drivers/char/virtio_console.c:654)
[  244.405614][ T6728]  ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4116 (discriminator 3) kernel/rcu/tree.c:4108 (discriminator 3))
[  244.405618][ T6728]  ? validate_chain (kernel/locking/lockdep.c:3817 (discriminator 2) kernel/locking/lockdep.c:3837 (discriminator 2) kernel/locking/lockdep.c:3892 (discriminator 2))
[  244.405623][ T6728]  hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2))
[  244.405631][ T6728]  ? hvc_write (drivers/tty/hvc/hvc_console.c:501)
[  244.405634][ T6728]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  244.405636][ T6728]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  244.405640][ T6728]  console_emit_next_record (kernel/printk/printk.c:3183)
[  244.405644][ T6728]  ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20)
[  244.405646][ T6728]  ? 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))
[  244.405649][ T6728]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  244.405651][ T6728]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  244.405655][ T6728]  console_flush_one_record (kernel/printk/printk.c:3268)
[  244.405659][ T6728]  ? console_emit_next_record (kernel/printk/printk.c:3150)
[  244.405661][ T6728]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[  244.405667][ T6728]  console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420)
[  244.405670][ T6728]  ? console_flush_one_record (kernel/printk/printk.c:3316)
[  244.405672][ T6728]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  244.405673][ T6728]  ? 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)
[  244.405677][ T6728]  ? __down_trylock_console_sem (kernel/printk/printk.c:334)
[  244.405679][ T6728]  ? vprintk_emit (kernel/printk/printk.c:2478)
[  244.405682][ T6728]  vprintk_emit (kernel/printk/printk.c:2479)
[  244.405685][ T6728]  ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126))
[  244.405687][ T6728]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554)
[  244.405690][ T6728]  ? mark_held_locks (kernel/locking/lockdep.c:4341)
[  244.405693][ T6728]  _printk (kernel/printk/printk.c:2504)
[  244.405697][ T6728]  ? snapshot_read.cold (user.c:?)
[  244.405700][ T6728]  ? br_multicast_flood (??:?)
[  244.405704][ T6728]  ? do_setlink.isra.0 (net/core/rtnetlink.c:3273 (discriminator 1))
[  244.405705][ T6728]  ? rtnl_newlink (net/core/rtnetlink.c:4215)
[  244.405707][ T6728]  ? rtnetlink_rcv_msg (net/core/rtnetlink.c:7132)
[  244.405711][ T6728]  br_set_state (net/bridge/br_stp.c:57 (discriminator 2))
[  244.405715][ T6728]  br_init_port (net/bridge/br_stp_if.c:39)
[  244.405724][ T6728]  new_nbp (net/bridge/br_if.c:449)
[  244.405728][ T6728]  br_add_if (net/bridge/br_if.c:592)
[  244.405731][ T6728]  ? is_bpf_text_address (./include/linux/rcupdate.h:882 kernel/bpf/core.c:751)
[  244.405734][ T6728]  ? kernel_text_address (kernel/extable.c:125 kernel/extable.c:94)
[  244.405740][ T6728]  do_set_master (net/core/rtnetlink.c:3071)
[  244.405743][ T6728]  do_setlink.isra.0 (net/core/rtnetlink.c:3273 (discriminator 1))
[  244.405747][ T6728]  ? stack_trace_save (kernel/stacktrace.c:122 (discriminator 1))
[  244.405750][ T6728]  ? rtnl_link_get_size (net/core/rtnetlink.c:747)
[  244.405751][ T6728]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:388 kernel/rcu/update.c:380)
[  244.405754][ T6728]  ? stack_depot_save_flags (lib/stackdepot.c:609 (discriminator 2) lib/stackdepot.c:676 (discriminator 2))
[  244.405757][ T6728]  ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4116 (discriminator 3) kernel/rcu/tree.c:4108 (discriminator 3))
[  244.405759][ T6728]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380)
[  244.405761][ T6728]  ? validate_chain (kernel/locking/lockdep.c:3817 (discriminator 2) kernel/locking/lockdep.c:3837 (discriminator 2) kernel/locking/lockdep.c:3892 (discriminator 2))
[  244.405764][ T6728]  ? kasan_save_stack (mm/kasan/common.c:58)
[  244.405766][ T6728]  ? kasan_save_stack (mm/kasan/common.c:57)
[  244.405767][ T6728]  ? kasan_save_track (mm/kasan/common.c:78)
[  244.405768][ T6728]  ? __kasan_kmalloc (mm/kasan/common.c:398 mm/kasan/common.c:415)
[  244.405771][ T6728]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[  244.405773][ T6728]  ? snd_ac97_proc_read_main (sound/pci/ac97/ac97_proc.c:320)
[  244.405775][ T6728]  ? ___sys_sendmsg (net/socket.c:2758)
[  244.405780][ T6728]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2))
[  244.405781][ T6728]  ? rtnl_newlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:366 net/core/rtnetlink.c:4214)
[  244.405784][ T6728]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  244.405786][ T6728]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  244.405787][ T6728]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  244.405789][ T6728]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  244.405790][ T6728]  ? trace_contention_end (./include/trace/events/lock.h:121 (discriminator 22))
[  244.405793][ T6728]  ? __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)
[  244.405795][ T6728]  ? __mutex_lock (kernel/locking/mutex.c:656 (discriminator 1) kernel/locking/mutex.c:821 (discriminator 1))
[  244.405797][ T6728]  ? rtnl_newlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:366 net/core/rtnetlink.c:4214)
[  244.405800][ T6728]  ? ww_mutex_lock (kernel/locking/mutex.c:934)
[  244.405801][ T6728]  ? nla_get_range_signed (lib/nlattr.c:270)
[  244.405807][ T6728]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  244.405809][ T6728]  ? __rtnl_newlink (net/core/rtnetlink.c:4063)
[  244.405814][ T6728]  rtnl_newlink (net/core/rtnetlink.c:4215)
[  244.405819][ T6728]  ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558)
[  244.405821][ T6728]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[  244.405826][ T6728]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2))
[  244.405828][ T6728]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[  244.405830][ T6728]  ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558)
[  244.405832][ T6728]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554)
[  244.405836][ T6728]  ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558)
[  244.405838][ T6728]  rtnetlink_rcv_msg (net/core/rtnetlink.c:7132)
[  244.405841][ T6728]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[  244.405842][ T6728]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[  244.405846][ T6728]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2))
[  244.405848][ T6728]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[  244.405852][ T6728]  netlink_rcv_skb (net/netlink/af_netlink.c:2556)
[  244.405855][ T6728]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[  244.405858][ T6728]  ? netlink_ack (./include/linux/skbuff.h:2718)
[  244.405864][ T6728]  ? 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))
[  244.405866][ T6728]  ? 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))
[  244.405871][ T6728]  netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[  244.405875][ T6728]  ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[  244.405877][ T6728]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[  244.405882][ T6728]  netlink_sendmsg (net/netlink/af_netlink.c:1900)
[  244.405886][ T6728]  ? netlink_unicast (./include/net/net_namespace.h:422 (discriminator 7))
[  244.405890][ T6728]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554)
[  244.405891][ T6728]  ? __import_iovec (lib/iov_iter.c:1358 lib/iov_iter.c:1373)
[  244.405897][ T6728]  __sock_sendmsg (net/socket.c:800 (discriminator 4) net/socket.c:815 (discriminator 4))
[  244.405901][ T6728]  ____sys_sendmsg (net/socket.c:2713)
[  244.405904][ T6728]  ? copy_msghdr_from_user (net/socket.c:2650)
[  244.405906][ T6728]  ? sock_write_iter (net/socket.c:1269)
[  244.405908][ T6728]  ? move_addr_to_kernel (net/socket.c:258)
[  244.405915][ T6728]  ___sys_sendmsg (net/socket.c:2767)
[  244.405918][ T6728]  ? copy_msghdr_from_user (net/socket.c:2619)
[  244.405934][ T6728]  __sys_sendmsg (net/socket.c:2799)
[  244.405937][ T6728]  ? __sys_sendmsg_sock (net/socket.c:2780)
[  244.405943][ T6728]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  244.405946][ T6728]  do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84)
[  244.405949][ T6728]  ? exc_page_fault (arch/x86/mm/fault.c:1489 (discriminator 3) arch/x86/mm/fault.c:1536 (discriminator 3))
[  244.405952][ T6728]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[  244.405954][ T6728] RIP: 0033:0x7f8d0116954e
[  244.405958][ T6728] 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
[  244.405960][ T6728] RSP: 002b:00007fff3c2175d0 EFLAGS: 00000202 ORIG_RAX: 000000000000002e
[  244.405962][ T6728] RAX: ffffffffffffffda RBX: 0000000000000003 RCX: 00007f8d0116954e
[  244.405964][ T6728] RDX: 0000000000000000 RSI: 00007fff3c217680 RDI: 0000000000000005
[  244.405965][ T6728] RBP: 00007fff3c2175e0 R08: 0000000000000000 R09: 0000000000000000
[  244.405965][ T6728] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a90fce0
[  244.405966][ T6728] R13: 00000000004a1620 R14: 0000000000000000 R15: 00007fff3c217d40
| [  248.906359][   T12] softirqs last disabled at (7143234): netlink_release (./include/net/sock.h:2138 net/netlink/af_netlink.c:727)
| [  248.906362][   T12] Preemption disabled at:
| [  248.906362][   T12] vprintk_emit (kernel/printk/printk.c:2471)
| [  248.906371][   T12] Tainted: [W]=WARN
[  248.906372][   T12] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[  248.906373][   T12] Workqueue: netns cleanup_net
[  248.906377][   T12] Call Trace:
[  248.906379][   T12]  <TASK>
[  248.906381][   T12]  dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120)
[  248.906387][   T12]  ? vprintk_emit (kernel/printk/printk.c:2471)
[  248.906388][   T12]  __might_resched.cold (kernel/sched/core.c:9234)
[  248.906393][   T12]  ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3))
[  248.906397][   T12]  ? __kmalloc_noprof (./include/linux/sched/mm.h:317 mm/slub.c:4636 mm/slub.c:4974 mm/slub.c:5413 mm/slub.c:5439)
[  248.906401][   T12]  __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))
[  248.906403][   T12]  ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[  248.906410][   T12]  ? 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)
[  248.906413][   T12]  alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[  248.906417][   T12]  put_chars (drivers/char/virtio_console.c:1176)
[  248.906419][   T12]  ? __send_to_port (drivers/char/virtio_console.c:654)
[  248.906420][   T12]  ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4116 (discriminator 3) kernel/rcu/tree.c:4108 (discriminator 3))
[  248.906424][   T12]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380)
[  248.906427][   T12]  ? validate_chain (kernel/locking/lockdep.c:3817 (discriminator 2) kernel/locking/lockdep.c:3837 (discriminator 2) kernel/locking/lockdep.c:3892 (discriminator 2))
[  248.906432][   T12]  hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2))
[  248.906436][   T12]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[  248.906441][   T12]  ? hvc_write (drivers/tty/hvc/hvc_console.c:501)
[  248.906445][   T12]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  248.906449][   T12]  console_emit_next_record (kernel/printk/printk.c:3183)
[  248.906454][   T12]  ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20)
[  248.906456][   T12]  ? 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))
[  248.906459][   T12]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  248.906461][   T12]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  248.906465][   T12]  console_flush_one_record (kernel/printk/printk.c:3268)
[  248.906469][   T12]  ? console_emit_next_record (kernel/printk/printk.c:3150)
[  248.906472][   T12]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[  248.906477][   T12]  console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420)
[  248.906480][   T12]  ? console_flush_one_record (kernel/printk/printk.c:3316)
[  248.906482][   T12]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  248.906484][   T12]  ? 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)
[  248.906487][   T12]  ? __down_trylock_console_sem (kernel/printk/printk.c:334)
[  248.906489][   T12]  ? vprintk_emit (kernel/printk/printk.c:2478)
[  248.906492][   T12]  vprintk_emit (kernel/printk/printk.c:2479)
[  248.906496][   T12]  ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126))
[  248.906497][   T12]  ? cleanup_net (net/core/net_namespace.c:706)
[  248.906499][   T12]  ? worker_thread (kernel/workqueue.c:3470 kernel/workqueue.c:3551)
[  248.906501][   T12]  ? kthread (kernel/kthread.c:436)
[  248.906503][   T12]  ? ret_from_fork (arch/x86/kernel/process.c:158)
[  248.906506][   T12]  ? ret_from_fork_asm (arch/x86/entry/entry_64.S:245)
[  248.906511][   T12]  _printk (kernel/printk/printk.c:2504)
[  248.906514][   T12]  ? snapshot_read.cold (user.c:?)
[  248.906519][   T12]  ? netdev_name (./include/linux/netdevice.h:5709 (discriminator 1))
[  248.906523][   T12]  ? __netdev_printk (net/core/dev.c:13148 (discriminator 2))
[  248.906527][   T12]  netdev_info (net/core/dev.c:13195 (discriminator 3))
[  248.906530][   T12]  ? netdev_notice (net/core/dev.c:13194)
[  248.906534][   T12]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  248.906536][   T12]  ? __up_read (kernel/locking/rwsem.c:1397 (discriminator 1))
[  248.906539][   T12]  ? down_write_nested (kernel/locking/rwsem.c:1759)
[  248.906541][   T12]  ? 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)
[  248.906543][   T12]  netif_set_allmulti.cold (net/core/dev.c:9731 (discriminator 3))
[  248.906547][   T12]  dev_set_allmulti (net/core/dev_api.c:315)
[  248.906551][   T12]  del_nbp (net/bridge/br_if.c:253 net/bridge/br_if.c:341)
[  248.906555][   T12]  ? __up_write (kernel/locking/rwsem.c:1415)
[  248.906556][   T12]  ? __up_write (kernel/locking/rwsem.c:1422 (discriminator 1))
[  248.906560][   T12]  br_dev_delete (net/bridge/br_if.c:387)
[  248.906564][   T12]  br_net_exit_rtnl (net/bridge/br.c:414)
[  248.906567][   T12]  ops_undo_list (net/core/net_namespace.c:181 net/core/net_namespace.c:249)
[  248.906571][   T12]  ? lockdep_hardirqs_on (kernel/locking/lockdep.c:4488)
[  248.906575][   T12]  ? netns_install (./include/linux/ns_common.h:26)
[  248.906576][   T12]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554)
[  248.906580][   T12]  ? idr_destroy (lib/radix-tree.c:310 lib/radix-tree.c:674 lib/radix-tree.c:1563)
[  248.906585][   T12]  cleanup_net (net/core/net_namespace.c:706)
[  248.906588][   T12]  ? net_passive_dec (./include/linux/llist.h:241)
[  248.906592][   T12]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  248.906594][   T12]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  248.906597][   T12]  process_one_work (kernel/workqueue.c:3387)
[  248.906604][   T12]  ? __queue_delayed_work (kernel/workqueue.c:2622)
[  248.906607][   T12]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2))
[  248.906615][   T12]  worker_thread (kernel/workqueue.c:3470 kernel/workqueue.c:3551)
[  248.906622][   T12]  ? rescuer_thread (./include/linux/list.h:419 (discriminator 3))
[  248.906624][   T12]  kthread (kernel/kthread.c:436)
[  248.906626][   T12]  ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22))
[  248.906629][   T12]  ? kthread_affine_preferred (kernel/kthread.c:857)
[  248.906632][   T12]  ret_from_fork (arch/x86/kernel/process.c:158)
[  248.906635][   T12]  ? arch_exit_to_user_mode_prepare.isra.0 (arch/x86/entry/vdso/vma.c:80 (discriminator 1))
[  248.906639][   T12]  ? __switch_to (arch/x86/kernel/process_64.c:403 arch/x86/kernel/process_64.c:663)
[  248.906642][   T12]  ? kthread_affine_preferred (kernel/kthread.c:857)
[  248.906645][   T12]  ret_from_fork_asm (arch/x86/entry/entry_64.S:245)
| [  252.995193][ T6930] softirqs last disabled at (44407): __irq_exit_rcu (kernel/softirq.c:679 kernel/softirq.c:519 kernel/softirq.c:767)
| [  252.995195][ T6930] Preemption disabled at:
| [  252.995196][ T6930] vprintk_emit (kernel/printk/printk.c:2471)
| [  252.995206][ T6930] Tainted: [W]=WARN
[  252.995207][ T6930] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[  252.995209][ T6930] Call Trace:
[  252.995211][ T6930]  <TASK>
[  252.995212][ T6930]  dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120)
[  252.995218][ T6930]  ? vprintk_emit (kernel/printk/printk.c:2471)
[  252.995220][ T6930]  __might_resched.cold (kernel/sched/core.c:9234)
[  252.995225][ T6930]  ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3))
[  252.995229][ T6930]  ? __kmalloc_noprof (./include/linux/sched/mm.h:317 mm/slub.c:4636 mm/slub.c:4974 mm/slub.c:5413 mm/slub.c:5439)
[  252.995233][ T6930]  __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))
[  252.995236][ T6930]  ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[  252.995242][ T6930]  ? 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)
[  252.995245][ T6930]  alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[  252.995252][ T6930]  put_chars (drivers/char/virtio_console.c:1176)
[  252.995255][ T6930]  ? __send_to_port (drivers/char/virtio_console.c:654)
[  252.995256][ T6930]  ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4116 (discriminator 3) kernel/rcu/tree.c:4108 (discriminator 3))
[  252.995260][ T6930]  ? validate_chain (kernel/locking/lockdep.c:3817 (discriminator 2) kernel/locking/lockdep.c:3837 (discriminator 2) kernel/locking/lockdep.c:3892 (discriminator 2))
[  252.995265][ T6930]  hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2))
[  252.995273][ T6930]  ? hvc_write (drivers/tty/hvc/hvc_console.c:501)
[  252.995276][ T6930]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  252.995278][ T6930]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  252.995282][ T6930]  console_emit_next_record (kernel/printk/printk.c:3183)
[  252.995286][ T6930]  ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20)
[  252.995289][ T6930]  ? 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))
[  252.995294][ T6930]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  252.995297][ T6930]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  252.995301][ T6930]  console_flush_one_record (kernel/printk/printk.c:3268)
[  252.995305][ T6930]  ? console_emit_next_record (kernel/printk/printk.c:3150)
[  252.995307][ T6930]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[  252.995313][ T6930]  console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420)
[  252.995316][ T6930]  ? console_flush_one_record (kernel/printk/printk.c:3316)
[  252.995318][ T6930]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  252.995320][ T6930]  ? 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)
[  252.995323][ T6930]  ? __down_trylock_console_sem (kernel/printk/printk.c:334)
[  252.995325][ T6930]  ? vprintk_emit (kernel/printk/printk.c:2478)
[  252.995328][ T6930]  vprintk_emit (kernel/printk/printk.c:2479)
[  252.995331][ T6930]  ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126))
[  252.995333][ T6930]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554)
[  252.995336][ T6930]  ? mark_held_locks (kernel/locking/lockdep.c:4341)
[  252.995340][ T6930]  _printk (kernel/printk/printk.c:2504)
[  252.995343][ T6930]  ? snapshot_read.cold (user.c:?)
[  252.995347][ T6930]  ? br_multicast_flood (??:?)
[  252.995350][ T6930]  ? do_setlink.isra.0 (net/core/rtnetlink.c:3273 (discriminator 1))
[  252.995352][ T6930]  ? rtnl_newlink (net/core/rtnetlink.c:4215)
[  252.995353][ T6930]  ? rtnetlink_rcv_msg (net/core/rtnetlink.c:7132)
[  252.995358][ T6930]  br_set_state (net/bridge/br_stp.c:57 (discriminator 2))
[  252.995362][ T6930]  br_init_port (net/bridge/br_stp_if.c:39)
[  252.995364][ T6930]  new_nbp (net/bridge/br_if.c:449)
[  252.995368][ T6930]  br_add_if (net/bridge/br_if.c:592)
[  252.995371][ T6930]  ? is_bpf_text_address (./include/linux/rcupdate.h:882 kernel/bpf/core.c:751)
[  252.995374][ T6930]  ? kernel_text_address (kernel/extable.c:125 kernel/extable.c:94)
[  252.995380][ T6930]  do_set_master (net/core/rtnetlink.c:3071)
[  252.995383][ T6930]  do_setlink.isra.0 (net/core/rtnetlink.c:3273 (discriminator 1))
[  252.995387][ T6930]  ? stack_trace_save (kernel/stacktrace.c:122 (discriminator 1))
[  252.995390][ T6930]  ? rtnl_link_get_size (net/core/rtnetlink.c:747)
[  252.995392][ T6930]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:388 kernel/rcu/update.c:380)
[  252.995395][ T6930]  ? stack_depot_save_flags (lib/stackdepot.c:609 (discriminator 2) lib/stackdepot.c:676 (discriminator 2))
[  252.995399][ T6930]  ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4116 (discriminator 3) kernel/rcu/tree.c:4108 (discriminator 3))
[  252.995403][ T6930]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380)
[  252.995405][ T6930]  ? validate_chain (kernel/locking/lockdep.c:3817 (discriminator 2) kernel/locking/lockdep.c:3837 (discriminator 2) kernel/locking/lockdep.c:3892 (discriminator 2))
[  252.995407][ T6930]  ? kasan_save_stack (mm/kasan/common.c:58)
[  252.995410][ T6930]  ? kasan_save_stack (mm/kasan/common.c:57)
[  252.995411][ T6930]  ? kasan_save_track (mm/kasan/common.c:78)
[  252.995413][ T6930]  ? __kasan_kmalloc (mm/kasan/common.c:398 mm/kasan/common.c:415)
[  252.995415][ T6930]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[  252.995417][ T6930]  ? snd_ac97_proc_read_main (sound/pci/ac97/ac97_proc.c:320)
[  252.995420][ T6930]  ? ___sys_sendmsg (net/socket.c:2758)
[  252.995424][ T6930]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2))
[  252.995426][ T6930]  ? rtnl_newlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:366 net/core/rtnetlink.c:4214)
[  252.995429][ T6930]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  252.995431][ T6930]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  252.995433][ T6930]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  252.995434][ T6930]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  252.995436][ T6930]  ? trace_contention_end (./include/trace/events/lock.h:121 (discriminator 22))
[  252.995438][ T6930]  ? __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)
[  252.995442][ T6930]  ? __mutex_lock (kernel/locking/mutex.c:656 (discriminator 1) kernel/locking/mutex.c:821 (discriminator 1))
[  252.995445][ T6930]  ? rtnl_newlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:366 net/core/rtnetlink.c:4214)
[  252.995449][ T6930]  ? ww_mutex_lock (kernel/locking/mutex.c:934)
[  252.995451][ T6930]  ? nla_get_range_signed (lib/nlattr.c:270)
[  252.995456][ T6930]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  252.995458][ T6930]  ? __rtnl_newlink (net/core/rtnetlink.c:4063)
[  252.995463][ T6930]  rtnl_newlink (net/core/rtnetlink.c:4215)
[  252.995469][ T6930]  ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558)
[  252.995471][ T6930]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[  252.995475][ T6930]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2))
[  252.995477][ T6930]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[  252.995480][ T6930]  ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558)
[  252.995482][ T6930]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554)
[  252.995486][ T6930]  ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558)
[  252.995489][ T6930]  rtnetlink_rcv_msg (net/core/rtnetlink.c:7132)
[  252.995494][ T6930]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[  252.995495][ T6930]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[  252.995500][ T6930]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2))
[  252.995502][ T6930]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[  252.995506][ T6930]  netlink_rcv_skb (net/netlink/af_netlink.c:2556)
[  252.995509][ T6930]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[  252.995512][ T6930]  ? netlink_ack (./include/linux/skbuff.h:2718)
[  252.995518][ T6930]  ? 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))
[  252.995520][ T6930]  ? 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))
[  252.995525][ T6930]  netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[  252.995529][ T6930]  ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[  252.995534][ T6930]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[  252.995539][ T6930]  netlink_sendmsg (net/netlink/af_netlink.c:1900)
[  252.995543][ T6930]  ? netlink_unicast (./include/net/net_namespace.h:422 (discriminator 7))
[  252.995547][ T6930]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554)
[  252.995549][ T6930]  ? __import_iovec (lib/iov_iter.c:1358 lib/iov_iter.c:1373)
[  252.995554][ T6930]  __sock_sendmsg (net/socket.c:800 (discriminator 4) net/socket.c:815 (discriminator 4))
[  252.995557][ T6930]  ____sys_sendmsg (net/socket.c:2713)
[  252.995559][ T6930]  ? copy_msghdr_from_user (net/socket.c:2650)
[  252.995562][ T6930]  ? sock_write_iter (net/socket.c:1269)
[  252.995563][ T6930]  ? move_addr_to_kernel (net/socket.c:258)
[  252.995571][ T6930]  ___sys_sendmsg (net/socket.c:2767)
[  252.995576][ T6930]  ? copy_msghdr_from_user (net/socket.c:2619)
[  252.995593][ T6930]  __sys_sendmsg (net/socket.c:2799)
[  252.995596][ T6930]  ? __sys_sendmsg_sock (net/socket.c:2780)
[  252.995602][ T6930]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  252.995605][ T6930]  do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84)
[  252.995608][ T6930]  ? exc_page_fault (arch/x86/mm/fault.c:1489 (discriminator 3) arch/x86/mm/fault.c:1536 (discriminator 3))
[  252.995611][ T6930]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[  252.995614][ T6930] RIP: 0033:0x7f1ce95e654e
[  252.995619][ T6930] 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
[  252.995621][ T6930] RSP: 002b:00007ffffbb11e50 EFLAGS: 00000202 ORIG_RAX: 000000000000002e
[  252.995624][ T6930] RAX: ffffffffffffffda RBX: 0000000000000003 RCX: 00007f1ce95e654e
[  252.995626][ T6930] RDX: 0000000000000000 RSI: 00007ffffbb11f00 RDI: 0000000000000005
[  252.995627][ T6930] RBP: 00007ffffbb11e60 R08: 0000000000000000 R09: 0000000000000000
[  252.995628][ T6930] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a90fce9
[  252.995628][ T6930] R13: 00000000004a1620 R14: 0000000000000000 R15: 00007ffffbb125c0
| [  257.362785][   T12] softirqs last disabled at (7363638): netlink_release (./include/net/sock.h:2138 net/netlink/af_netlink.c:727)
| [  257.362787][   T12] Preemption disabled at:
| [  257.362788][   T12] vprintk_emit (kernel/printk/printk.c:2471)
| [  257.362797][   T12] Tainted: [W]=WARN
[  257.362798][   T12] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[  257.362800][   T12] Workqueue: netns cleanup_net
[  257.362803][   T12] Call Trace:
[  257.362805][   T12]  <TASK>
[  257.362808][   T12]  dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120)
[  257.362816][   T12]  ? vprintk_emit (kernel/printk/printk.c:2471)
[  257.362818][   T12]  __might_resched.cold (kernel/sched/core.c:9234)
[  257.362823][   T12]  ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3))
[  257.362835][   T12]  ? __kmalloc_noprof (./include/linux/sched/mm.h:317 mm/slub.c:4636 mm/slub.c:4974 mm/slub.c:5413 mm/slub.c:5439)
[  257.362840][   T12]  __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))
[  257.362842][   T12]  ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[  257.362850][   T12]  ? 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)
[  257.362853][   T12]  alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[  257.362858][   T12]  put_chars (drivers/char/virtio_console.c:1176)
[  257.362861][   T12]  ? __send_to_port (drivers/char/virtio_console.c:654)
[  257.362862][   T12]  ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4116 (discriminator 3) kernel/rcu/tree.c:4108 (discriminator 3))
[  257.362868][   T12]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380)
[  257.362872][   T12]  ? validate_chain (kernel/locking/lockdep.c:3817 (discriminator 2) kernel/locking/lockdep.c:3837 (discriminator 2) kernel/locking/lockdep.c:3892 (discriminator 2))
[  257.362878][   T12]  hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2))
[  257.362882][   T12]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[  257.362887][   T12]  ? hvc_write (drivers/tty/hvc/hvc_console.c:501)
[  257.362891][   T12]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  257.362896][   T12]  console_emit_next_record (kernel/printk/printk.c:3183)
[  257.362904][   T12]  ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20)
[  257.362906][   T12]  ? 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))
[  257.362910][   T12]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  257.362912][   T12]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  257.362918][   T12]  console_flush_one_record (kernel/printk/printk.c:3268)
[  257.362924][   T12]  ? console_emit_next_record (kernel/printk/printk.c:3150)
[  257.362926][   T12]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[  257.362932][   T12]  console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420)
[  257.362936][   T12]  ? console_flush_one_record (kernel/printk/printk.c:3316)
[  257.362938][   T12]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  257.362940][   T12]  ? 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)
[  257.362944][   T12]  ? __down_trylock_console_sem (kernel/printk/printk.c:334)
[  257.362946][   T12]  ? vprintk_emit (kernel/printk/printk.c:2478)
[  257.362949][   T12]  vprintk_emit (kernel/printk/printk.c:2479)
[  257.362953][   T12]  ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126))
[  257.362954][   T12]  ? cleanup_net (net/core/net_namespace.c:706)
[  257.362956][   T12]  ? worker_thread (kernel/workqueue.c:3470 kernel/workqueue.c:3551)
[  257.362959][   T12]  ? kthread (kernel/kthread.c:436)
[  257.362962][   T12]  ? ret_from_fork (arch/x86/kernel/process.c:158)
[  257.362966][   T12]  ? ret_from_fork_asm (arch/x86/entry/entry_64.S:245)
[  257.362972][   T12]  _printk (kernel/printk/printk.c:2504)
[  257.362975][   T12]  ? snapshot_read.cold (user.c:?)
[  257.362980][   T12]  ? netdev_name (./include/linux/netdevice.h:5709 (discriminator 1))
[  257.362984][   T12]  ? __netdev_printk (net/core/dev.c:13148 (discriminator 2))
[  257.362988][   T12]  netdev_info (net/core/dev.c:13195 (discriminator 3))
[  257.362991][   T12]  ? netdev_notice (net/core/dev.c:13194)
[  257.362996][   T12]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  257.362998][   T12]  ? __up_read (kernel/locking/rwsem.c:1397 (discriminator 1))
[  257.363001][   T12]  ? down_write_nested (kernel/locking/rwsem.c:1759)
[  257.363003][   T12]  ? 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)
[  257.363007][   T12]  netif_set_allmulti.cold (net/core/dev.c:9731 (discriminator 3))
[  257.363014][   T12]  dev_set_allmulti (net/core/dev_api.c:315)
[  257.363018][   T12]  del_nbp (net/bridge/br_if.c:253 net/bridge/br_if.c:341)
[  257.363021][   T12]  ? __up_write (kernel/locking/rwsem.c:1415)
[  257.363023][   T12]  ? __up_write (kernel/locking/rwsem.c:1422 (discriminator 1))
[  257.363027][   T12]  br_dev_delete (net/bridge/br_if.c:387)
[  257.363031][   T12]  br_net_exit_rtnl (net/bridge/br.c:414)
[  257.363034][   T12]  ops_undo_list (net/core/net_namespace.c:181 net/core/net_namespace.c:249)
[  257.363038][   T12]  ? lockdep_hardirqs_on (kernel/locking/lockdep.c:4488)
[  257.363042][   T12]  ? netns_install (./include/linux/ns_common.h:26)
[  257.363043][   T12]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554)
[  257.363047][   T12]  ? idr_destroy (lib/radix-tree.c:310 lib/radix-tree.c:674 lib/radix-tree.c:1563)
[  257.363052][   T12]  cleanup_net (net/core/net_namespace.c:706)
[  257.363055][   T12]  ? net_passive_dec (./include/linux/llist.h:241)
[  257.363061][   T12]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  257.363064][   T12]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  257.363069][   T12]  process_one_work (kernel/workqueue.c:3387)
[  257.363076][   T12]  ? __queue_delayed_work (kernel/workqueue.c:2622)
[  257.363079][   T12]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2))
[  257.363088][   T12]  worker_thread (kernel/workqueue.c:3470 kernel/workqueue.c:3551)
[  257.363097][   T12]  ? rescuer_thread (./include/linux/list.h:419 (discriminator 3))
[  257.363099][   T12]  kthread (kernel/kthread.c:436)
[  257.363101][   T12]  ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22))
[  257.363105][   T12]  ? kthread_affine_preferred (kernel/kthread.c:857)
[  257.363110][   T12]  ret_from_fork (arch/x86/kernel/process.c:158)
[  257.363114][   T12]  ? arch_exit_to_user_mode_prepare.isra.0 (arch/x86/entry/vdso/vma.c:80 (discriminator 1))
[  257.363118][   T12]  ? __switch_to (arch/x86/kernel/process_64.c:403 arch/x86/kernel/process_64.c:663)
[  257.363122][   T12]  ? kthread_affine_preferred (kernel/kthread.c:857)
[  257.363125][   T12]  ret_from_fork_asm (arch/x86/entry/entry_64.S:245)
| [  261.684360][ T7144] softirqs last disabled at (46484): __alloc_skb (./include/linux/bottom_half.h:20 (discriminator 2) net/core/skbuff.c:697 (discriminator 2))
| [  261.684363][ T7144] Preemption disabled at:
| [  261.684363][ T7144] vprintk_emit (kernel/printk/printk.c:2471)
| [  261.684372][ T7144] Tainted: [W]=WARN
[  261.684373][ T7144] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[  261.684375][ T7144] Call Trace:
[  261.684376][ T7144]  <TASK>
[  261.684378][ T7144]  dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120)
[  261.684384][ T7144]  ? vprintk_emit (kernel/printk/printk.c:2471)
[  261.684386][ T7144]  __might_resched.cold (kernel/sched/core.c:9234)
[  261.684391][ T7144]  ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3))
[  261.684395][ T7144]  ? __kmalloc_noprof (./include/linux/sched/mm.h:317 mm/slub.c:4636 mm/slub.c:4974 mm/slub.c:5413 mm/slub.c:5439)
[  261.684400][ T7144]  __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))
[  261.684402][ T7144]  ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[  261.684408][ T7144]  ? 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)
[  261.684411][ T7144]  alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[  261.684415][ T7144]  put_chars (drivers/char/virtio_console.c:1176)
[  261.684418][ T7144]  ? __send_to_port (drivers/char/virtio_console.c:654)
[  261.684419][ T7144]  ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4116 (discriminator 3) kernel/rcu/tree.c:4108 (discriminator 3))
[  261.684423][ T7144]  ? validate_chain (kernel/locking/lockdep.c:3817 (discriminator 2) kernel/locking/lockdep.c:3837 (discriminator 2) kernel/locking/lockdep.c:3892 (discriminator 2))
[  261.684428][ T7144]  hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2))
[  261.684436][ T7144]  ? hvc_write (drivers/tty/hvc/hvc_console.c:501)
[  261.684439][ T7144]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  261.684441][ T7144]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  261.684445][ T7144]  console_emit_next_record (kernel/printk/printk.c:3183)
[  261.684450][ T7144]  ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20)
[  261.684451][ T7144]  ? 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))
[  261.684455][ T7144]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  261.684457][ T7144]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  261.684461][ T7144]  console_flush_one_record (kernel/printk/printk.c:3268)
[  261.684465][ T7144]  ? console_emit_next_record (kernel/printk/printk.c:3150)
[  261.684467][ T7144]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[  261.684473][ T7144]  console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420)
[  261.684476][ T7144]  ? console_flush_one_record (kernel/printk/printk.c:3316)
[  261.684478][ T7144]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  261.684480][ T7144]  ? 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)
[  261.684483][ T7144]  ? __down_trylock_console_sem (kernel/printk/printk.c:334)
[  261.684485][ T7144]  ? vprintk_emit (kernel/printk/printk.c:2478)
[  261.684488][ T7144]  vprintk_emit (kernel/printk/printk.c:2479)
[  261.684492][ T7144]  ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126))
[  261.684494][ T7144]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554)
[  261.684496][ T7144]  ? mark_held_locks (kernel/locking/lockdep.c:4341)
[  261.684500][ T7144]  _printk (kernel/printk/printk.c:2504)
[  261.684504][ T7144]  ? snapshot_read.cold (user.c:?)
[  261.684508][ T7144]  ? br_multicast_flood (??:?)
[  261.684511][ T7144]  ? do_setlink.isra.0 (net/core/rtnetlink.c:3273 (discriminator 1))
[  261.684513][ T7144]  ? rtnl_newlink (net/core/rtnetlink.c:4215)
[  261.684514][ T7144]  ? rtnetlink_rcv_msg (net/core/rtnetlink.c:7132)
[  261.684519][ T7144]  br_set_state (net/bridge/br_stp.c:57 (discriminator 2))
[  261.684523][ T7144]  br_init_port (net/bridge/br_stp_if.c:39)
[  261.684526][ T7144]  new_nbp (net/bridge/br_if.c:449)
[  261.684530][ T7144]  br_add_if (net/bridge/br_if.c:592)
[  261.684532][ T7144]  ? is_bpf_text_address (./include/linux/rcupdate.h:882 kernel/bpf/core.c:751)
[  261.684536][ T7144]  ? kernel_text_address (kernel/extable.c:125 kernel/extable.c:94)
[  261.684542][ T7144]  do_set_master (net/core/rtnetlink.c:3071)
[  261.684545][ T7144]  do_setlink.isra.0 (net/core/rtnetlink.c:3273 (discriminator 1))
[  261.684549][ T7144]  ? stack_trace_save (kernel/stacktrace.c:122 (discriminator 1))
[  261.684552][ T7144]  ? rtnl_link_get_size (net/core/rtnetlink.c:747)
[  261.684553][ T7144]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:388 kernel/rcu/update.c:380)
[  261.684556][ T7144]  ? stack_depot_save_flags (lib/stackdepot.c:609 (discriminator 2) lib/stackdepot.c:676 (discriminator 2))
[  261.684559][ T7144]  ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4116 (discriminator 3) kernel/rcu/tree.c:4108 (discriminator 3))
[  261.684561][ T7144]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380)
[  261.684563][ T7144]  ? validate_chain (kernel/locking/lockdep.c:3817 (discriminator 2) kernel/locking/lockdep.c:3837 (discriminator 2) kernel/locking/lockdep.c:3892 (discriminator 2))
[  261.684566][ T7144]  ? kasan_save_stack (mm/kasan/common.c:58)
[  261.684568][ T7144]  ? kasan_save_stack (mm/kasan/common.c:57)
[  261.684569][ T7144]  ? kasan_save_track (mm/kasan/common.c:78)
[  261.684571][ T7144]  ? __kasan_kmalloc (mm/kasan/common.c:398 mm/kasan/common.c:415)
[  261.684573][ T7144]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[  261.684575][ T7144]  ? snd_ac97_proc_read_main (sound/pci/ac97/ac97_proc.c:320)
[  261.684578][ T7144]  ? ___sys_sendmsg (net/socket.c:2758)
[  261.684582][ T7144]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2))
[  261.684584][ T7144]  ? rtnl_newlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:366 net/core/rtnetlink.c:4214)
[  261.684587][ T7144]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  261.684589][ T7144]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  261.684590][ T7144]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  261.684591][ T7144]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  261.684593][ T7144]  ? trace_contention_end (./include/trace/events/lock.h:121 (discriminator 22))
[  261.684596][ T7144]  ? __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)
[  261.684598][ T7144]  ? __mutex_lock (kernel/locking/mutex.c:656 (discriminator 1) kernel/locking/mutex.c:821 (discriminator 1))
[  261.684600][ T7144]  ? rtnl_newlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:366 net/core/rtnetlink.c:4214)
[  261.684604][ T7144]  ? ww_mutex_lock (kernel/locking/mutex.c:934)
[  261.684605][ T7144]  ? nla_get_range_signed (lib/nlattr.c:270)
[  261.684610][ T7144]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  261.684613][ T7144]  ? __rtnl_newlink (net/core/rtnetlink.c:4063)
[  261.684618][ T7144]  rtnl_newlink (net/core/rtnetlink.c:4215)
[  261.684624][ T7144]  ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558)
[  261.684626][ T7144]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[  261.684630][ T7144]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2))
[  261.684632][ T7144]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[  261.684635][ T7144]  ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558)
[  261.684637][ T7144]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554)
[  261.684641][ T7144]  ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558)
[  261.684643][ T7144]  rtnetlink_rcv_msg (net/core/rtnetlink.c:7132)
[  261.684646][ T7144]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[  261.684647][ T7144]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[  261.684652][ T7144]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2))
[  261.684654][ T7144]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[  261.684658][ T7144]  netlink_rcv_skb (net/netlink/af_netlink.c:2556)
[  261.684661][ T7144]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[  261.684664][ T7144]  ? netlink_ack (./include/linux/skbuff.h:2718)
[  261.684671][ T7144]  ? 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))
[  261.684673][ T7144]  ? 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))
[  261.684677][ T7144]  netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[  261.684682][ T7144]  ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[  261.684684][ T7144]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[  261.684689][ T7144]  netlink_sendmsg (net/netlink/af_netlink.c:1900)
[  261.684693][ T7144]  ? netlink_unicast (./include/net/net_namespace.h:422 (discriminator 7))
[  261.684697][ T7144]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554)
[  261.684699][ T7144]  ? __import_iovec (lib/iov_iter.c:1358 lib/iov_iter.c:1373)
[  261.684704][ T7144]  __sock_sendmsg (net/socket.c:800 (discriminator 4) net/socket.c:815 (discriminator 4))
[  261.684707][ T7144]  ____sys_sendmsg (net/socket.c:2713)
[  261.684710][ T7144]  ? copy_msghdr_from_user (net/socket.c:2650)
[  261.684712][ T7144]  ? sock_write_iter (net/socket.c:1269)
[  261.684714][ T7144]  ? move_addr_to_kernel (net/socket.c:258)
[  261.684721][ T7144]  ___sys_sendmsg (net/socket.c:2767)
[  261.684724][ T7144]  ? copy_msghdr_from_user (net/socket.c:2619)
[  261.684741][ T7144]  __sys_sendmsg (net/socket.c:2799)
[  261.684744][ T7144]  ? __sys_sendmsg_sock (net/socket.c:2780)
[  261.684751][ T7144]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  261.684754][ T7144]  do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84)
[  261.684757][ T7144]  ? exc_page_fault (arch/x86/mm/fault.c:1489 (discriminator 3) arch/x86/mm/fault.c:1536 (discriminator 3))
[  261.684760][ T7144]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[  261.684762][ T7144] RIP: 0033:0x7fcbbd17c54e
[  261.684766][ T7144] 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
[  261.684768][ T7144] RSP: 002b:00007ffc291a7da0 EFLAGS: 00000202 ORIG_RAX: 000000000000002e
[  261.684770][ T7144] RAX: ffffffffffffffda RBX: 0000000000000003 RCX: 00007fcbbd17c54e
[  261.684772][ T7144] RDX: 0000000000000000 RSI: 00007ffc291a7e50 RDI: 0000000000000005
[  261.684773][ T7144] RBP: 00007ffc291a7db0 R08: 0000000000000000 R09: 0000000000000000
[  261.684773][ T7144] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a90fcf2
[  261.684774][ T7144] R13: 00000000004a1620 R14: 0000000000000000 R15: 00007ffc291a8510
| [  265.950309][   T12] softirqs last disabled at (7581476): netlink_release (./include/net/sock.h:2138 net/netlink/af_netlink.c:727)
| [  265.950312][   T12] Preemption disabled at:
| [  265.950312][   T12] vprintk_emit (kernel/printk/printk.c:2471)
| [  265.950321][   T12] Tainted: [W]=WARN
[  265.950322][   T12] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[  265.950324][   T12] Workqueue: netns cleanup_net
[  265.950327][   T12] Call Trace:
[  265.950328][   T12]  <TASK>
[  265.950331][   T12]  dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120)
[  265.950337][   T12]  ? vprintk_emit (kernel/printk/printk.c:2471)
[  265.950338][   T12]  __might_resched.cold (kernel/sched/core.c:9234)
[  265.950343][   T12]  ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3))
[  265.950346][   T12]  ? __kmalloc_noprof (./include/linux/sched/mm.h:317 mm/slub.c:4636 mm/slub.c:4974 mm/slub.c:5413 mm/slub.c:5439)
[  265.950351][   T12]  __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))
[  265.950353][   T12]  ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[  265.950360][   T12]  ? 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)
[  265.950363][   T12]  alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[  265.950366][   T12]  put_chars (drivers/char/virtio_console.c:1176)
[  265.950369][   T12]  ? __send_to_port (drivers/char/virtio_console.c:654)
[  265.950370][   T12]  ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4116 (discriminator 3) kernel/rcu/tree.c:4108 (discriminator 3))
[  265.950374][   T12]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380)
[  265.950377][   T12]  ? validate_chain (kernel/locking/lockdep.c:3817 (discriminator 2) kernel/locking/lockdep.c:3837 (discriminator 2) kernel/locking/lockdep.c:3892 (discriminator 2))
[  265.950382][   T12]  hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2))
[  265.950386][   T12]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[  265.950391][   T12]  ? hvc_write (drivers/tty/hvc/hvc_console.c:501)
[  265.950394][   T12]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  265.950399][   T12]  console_emit_next_record (kernel/printk/printk.c:3183)
[  265.950403][   T12]  ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20)
[  265.950405][   T12]  ? 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))
[  265.950408][   T12]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  265.950410][   T12]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  265.950414][   T12]  console_flush_one_record (kernel/printk/printk.c:3268)
[  265.950418][   T12]  ? console_emit_next_record (kernel/printk/printk.c:3150)
[  265.950420][   T12]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[  265.950426][   T12]  console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420)
[  265.950429][   T12]  ? console_flush_one_record (kernel/printk/printk.c:3316)
[  265.950431][   T12]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  265.950432][   T12]  ? 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)
[  265.950436][   T12]  ? __down_trylock_console_sem (kernel/printk/printk.c:334)
[  265.950438][   T12]  ? vprintk_emit (kernel/printk/printk.c:2478)
[  265.950441][   T12]  vprintk_emit (kernel/printk/printk.c:2479)
[  265.950444][   T12]  ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126))
[  265.950446][   T12]  ? cleanup_net (net/core/net_namespace.c:706)
[  265.950448][   T12]  ? worker_thread (kernel/workqueue.c:3470 kernel/workqueue.c:3551)
[  265.950449][   T12]  ? kthread (kernel/kthread.c:436)
[  265.950452][   T12]  ? ret_from_fork (arch/x86/kernel/process.c:158)
[  265.950454][   T12]  ? ret_from_fork_asm (arch/x86/entry/entry_64.S:245)
[  265.950460][   T12]  _printk (kernel/printk/printk.c:2504)
[  265.950463][   T12]  ? snapshot_read.cold (user.c:?)
[  265.950468][   T12]  ? netdev_name (./include/linux/netdevice.h:5709 (discriminator 1))
[  265.950472][   T12]  ? __netdev_printk (net/core/dev.c:13148 (discriminator 2))
[  265.950475][   T12]  netdev_info (net/core/dev.c:13195 (discriminator 3))
[  265.950478][   T12]  ? netdev_notice (net/core/dev.c:13194)
[  265.950483][   T12]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  265.950485][   T12]  ? __up_read (kernel/locking/rwsem.c:1397 (discriminator 1))
[  265.950487][   T12]  ? down_write_nested (kernel/locking/rwsem.c:1759)
[  265.950489][   T12]  ? 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)
[  265.950492][   T12]  netif_set_allmulti.cold (net/core/dev.c:9731 (discriminator 3))
[  265.950496][   T12]  dev_set_allmulti (net/core/dev_api.c:315)
[  265.950500][   T12]  del_nbp (net/bridge/br_if.c:253 net/bridge/br_if.c:341)
[  265.950503][   T12]  ? __up_write (kernel/locking/rwsem.c:1415)
[  265.950504][   T12]  ? __up_write (kernel/locking/rwsem.c:1422 (discriminator 1))
[  265.950508][   T12]  br_dev_delete (net/bridge/br_if.c:387)
[  265.950512][   T12]  br_net_exit_rtnl (net/bridge/br.c:414)
[  265.950515][   T12]  ops_undo_list (net/core/net_namespace.c:181 net/core/net_namespace.c:249)
[  265.950519][   T12]  ? lockdep_hardirqs_on (kernel/locking/lockdep.c:4488)
[  265.950523][   T12]  ? netns_install (./include/linux/ns_common.h:26)
[  265.950524][   T12]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554)
[  265.950528][   T12]  ? idr_destroy (lib/radix-tree.c:310 lib/radix-tree.c:674 lib/radix-tree.c:1563)
[  265.950532][   T12]  cleanup_net (net/core/net_namespace.c:706)
[  265.950535][   T12]  ? net_passive_dec (./include/linux/llist.h:241)
[  265.950539][   T12]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  265.950541][   T12]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  265.950545][   T12]  process_one_work (kernel/workqueue.c:3387)
[  265.950551][   T12]  ? __queue_delayed_work (kernel/workqueue.c:2622)
[  265.950554][   T12]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2))
[  265.950562][   T12]  worker_thread (kernel/workqueue.c:3470 kernel/workqueue.c:3551)
[  265.950569][   T12]  ? rescuer_thread (./include/linux/list.h:419 (discriminator 3))
[  265.950571][   T12]  kthread (kernel/kthread.c:436)
[  265.950573][   T12]  ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22))
[  265.950577][   T12]  ? kthread_affine_preferred (kernel/kthread.c:857)
[  265.950580][   T12]  ret_from_fork (arch/x86/kernel/process.c:158)
[  265.950583][   T12]  ? arch_exit_to_user_mode_prepare.isra.0 (arch/x86/entry/vdso/vma.c:80 (discriminator 1))
[  265.950586][   T12]  ? __switch_to (arch/x86/kernel/process_64.c:403 arch/x86/kernel/process_64.c:663)
[  265.950589][   T12]  ? kthread_affine_preferred (kernel/kthread.c:857)
[  265.950592][   T12]  ret_from_fork_asm (arch/x86/entry/entry_64.S:245)
| [  270.757403][ T7333] softirqs last disabled at (180169): __irq_exit_rcu (kernel/softirq.c:679 kernel/softirq.c:519 kernel/softirq.c:767)
| [  270.757406][ T7333] Preemption disabled at:
| [  270.757407][ T7333] vprintk_emit (kernel/printk/printk.c:2471)
| [  270.757416][ T7333] Tainted: [W]=WARN
[  270.757417][ T7333] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[  270.757418][ T7333] Call Trace:
[  270.757420][ T7333]  <TASK>
[  270.757421][ T7333]  dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120)
[  270.757427][ T7333]  ? vprintk_emit (kernel/printk/printk.c:2471)
[  270.757429][ T7333]  __might_resched.cold (kernel/sched/core.c:9234)
[  270.757433][ T7333]  ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3))
[  270.757437][ T7333]  ? __kmalloc_noprof (./include/linux/sched/mm.h:317 mm/slub.c:4636 mm/slub.c:4974 mm/slub.c:5413 mm/slub.c:5439)
[  270.757442][ T7333]  __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))
[  270.757444][ T7333]  ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[  270.757450][ T7333]  ? 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)
[  270.757453][ T7333]  alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[  270.757457][ T7333]  put_chars (drivers/char/virtio_console.c:1176)
[  270.757460][ T7333]  ? __send_to_port (drivers/char/virtio_console.c:654)
[  270.757463][ T7333]  ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4116 (discriminator 3) kernel/rcu/tree.c:4108 (discriminator 3))
[  270.757466][ T7333]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380)
[  270.757469][ T7333]  ? validate_chain (kernel/locking/lockdep.c:3817 (discriminator 2) kernel/locking/lockdep.c:3837 (discriminator 2) kernel/locking/lockdep.c:3892 (discriminator 2))
[  270.757473][ T7333]  hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2))
[  270.757477][ T7333]  ? mark_usage (kernel/locking/lockdep.c:4690)
[  270.757479][ T7333]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[  270.757480][ T7333]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[  270.757485][ T7333]  ? hvc_write (drivers/tty/hvc/hvc_console.c:501)
[  270.757486][ T7333]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2))
[  270.757491][ T7333]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  270.757495][ T7333]  console_emit_next_record (kernel/printk/printk.c:3183)
[  270.757499][ T7333]  ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20)
[  270.757501][ T7333]  ? 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))
[  270.757504][ T7333]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  270.757506][ T7333]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  270.757510][ T7333]  console_flush_one_record (kernel/printk/printk.c:3268)
[  270.757514][ T7333]  ? console_emit_next_record (kernel/printk/printk.c:3150)
[  270.757516][ T7333]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[  270.757522][ T7333]  console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420)
[  270.757525][ T7333]  ? console_flush_one_record (kernel/printk/printk.c:3316)
[  270.757526][ T7333]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  270.757528][ T7333]  ? 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)
[  270.757532][ T7333]  ? __down_trylock_console_sem (kernel/printk/printk.c:334)
[  270.757534][ T7333]  ? vprintk_emit (kernel/printk/printk.c:2478)
[  270.757536][ T7333]  vprintk_emit (kernel/printk/printk.c:2479)
[  270.757540][ T7333]  ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126))
[  270.757545][ T7333]  ? nf_defrag_fini+0x980/0x980 nf_defrag_ipv4
[  270.757548][ T7333]  _printk (kernel/printk/printk.c:2504)
[  270.757552][ T7333]  ? snapshot_read.cold (user.c:?)
[  270.757558][ T7333]  ? do_one_initcall (./include/linux/instrumented.h:82 ./include/asm-generic/bitops/instrumented-non-atomic.h:141 ./include/linux/cpumask.h:650 ./include/linux/cpumask.h:1232 ./include/trace/events/initcall.h:27 init/main.c:1356)
[  270.757562][ T7333] dp_init (net/openvswitch/actions.c:729) openvswitch
[  270.757570][ T7333]  ? nf_defrag_fini+0x980/0x980 nf_defrag_ipv4
[  270.757572][ T7333]  do_one_initcall (init/main.c:1357)
[  270.757575][ T7333]  ? trace_event_raw_event_initcall_level (./include/trace/events/initcall.h:10)
[  270.757580][ T7333]  ? do_init_module (./include/linux/slab.h:991 (discriminator 1) kernel/module/main.c:3105 (discriminator 1))
[  270.757582][ T7333]  ? kasan_unpoison (mm/kasan/shadow.c:146 mm/kasan/shadow.c:178)
[  270.757588][ T7333]  do_init_module (kernel/module/main.c:3117)
[  270.757591][ T7333]  ? lockdep_hardirqs_on (kernel/locking/lockdep.c:4488)
[  270.757595][ T7333]  ? free_module (./include/trace/events/module.h:50 (discriminator 19))
[  270.757597][ T7333]  ? kfree (./include/linux/kasan.h:235 mm/slub.c:2748 mm/slub.c:6499 mm/slub.c:6792)
[  270.757601][ T7333]  load_module (kernel/module/main.c:3593)
[  270.757606][ T7333]  ? security_kernel_post_read_file (security/security.c:2997 (discriminator 11))
[  270.757611][ T7333]  ? layout_and_allocate.isra.0 (kernel/module/main.c:3016)
[  270.757614][ T7333]  ? __ia32_sys_fsconfig (??:?)
[  270.757618][ T7333]  ? backing_file_read_iter (fs/backing-file.c:211)
[  270.757622][ T7333]  ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4116 (discriminator 3) kernel/rcu/tree.c:4108 (discriminator 3))
[  270.757625][ T7333]  init_module_from_file (kernel/module/main.c:3790)
[  270.757628][ T7333]  ? __do_sys_init_module (kernel/module/main.c:3664)
[  270.757635][ T7333]  ? __rwlock_init (kernel/locking/spinlock_debug.c:48)
[  270.757639][ T7333]  ? 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)
[  270.757642][ T7333]  idempotent_init_module (kernel/module/main.c:3802)
[  270.757645][ T7333]  ? init_module_from_file (kernel/module/main.c:3791)
[  270.757650][ T7333]  ? cap_capable (./include/trace/events/capability.h:26 (discriminator 22) security/commoncap.c:130 (discriminator 22))
[  270.757653][ T7333]  ? __x64_sys_pread64 (fs/read_write.c:764 fs/read_write.c:772 fs/read_write.c:769 fs/read_write.c:769)
[  270.757659][ T7333]  __x64_sys_finit_module (kernel/module/main.c:3828 kernel/module/main.c:3812 kernel/module/main.c:3812)
[  270.757660][ T7333]  ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22))
[  270.757665][ T7333]  do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84)
[  270.757668][ T7333]  ? exc_page_fault (arch/x86/mm/fault.c:1489 (discriminator 3) arch/x86/mm/fault.c:1536 (discriminator 3))
[  270.757670][ T7333]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[  270.757673][ T7333] RIP: 0033:0x7fb4ef13837d
[  270.757676][ T7333] Code: ff c3 66 2e 0f 1f 84 00 00 00 00 00 90 f3 0f 1e fa 48 89 f8 48 89 f7 48 89 d6 48 89 ca 4d 89 c2 4d 89 c8 4c 8b 4c 24 08 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 8b 0d 4b aa 0f 00 f7 d8 64 89 01 48
All code
========
   0:	ff c3                	inc    %ebx
   2:	66 2e 0f 1f 84 00 00 	cs nopw 0x0(%rax,%rax,1)
   9:	00 00 00 
   c:	90                   	nop
   d:	f3 0f 1e fa          	endbr64
  11:	48 89 f8             	mov    %rdi,%rax
  14:	48 89 f7             	mov    %rsi,%rdi
  17:	48 89 d6             	mov    %rdx,%rsi
  1a:	48 89 ca             	mov    %rcx,%rdx
  1d:	4d 89 c2             	mov    %r8,%r10
  20:	4d 89 c8             	mov    %r9,%r8
  23:	4c 8b 4c 24 08       	mov    0x8(%rsp),%r9
  28:	0f 05                	syscall
  2a:*	48 3d 01 f0 ff ff    	cmp    $0xfffffffffffff001,%rax		<-- trapping instruction
  30:	73 01                	jae    0x33
  32:	c3                   	ret
  33:	48 8b 0d 4b aa 0f 00 	mov    0xfaa4b(%rip),%rcx        # 0xfaa85
  3a:	f7 d8                	neg    %eax
  3c:	64 89 01             	mov    %eax,%fs:(%rcx)
  3f:	48                   	rex.W

Code starting with the faulting instruction
===========================================
   0:	48 3d 01 f0 ff ff    	cmp    $0xfffffffffffff001,%rax
   6:	73 01                	jae    0x9
   8:	c3                   	ret
   9:	48 8b 0d 4b aa 0f 00 	mov    0xfaa4b(%rip),%rcx        # 0xfaa5b
  10:	f7 d8                	neg    %eax
  12:	64 89 01             	mov    %eax,%fs:(%rcx)
  15:	48                   	rex.W
[  270.757678][ T7333] RSP: 002b:00007fff47fc9c38 EFLAGS: 00000246 ORIG_RAX: 0000000000000139
[  270.757681][ T7333] RAX: ffffffffffffffda RBX: 000055867ffee810 RCX: 00007fb4ef13837d
[  270.757682][ T7333] RDX: 0000000000000000 RSI: 000055867b88bffd RDI: 0000000000000005
[  270.757683][ T7333] RBP: 00007fff47fc9cd0 R08: 0000000000000000 R09: 646f6d2f62696c2f
[  270.757684][ T7333] R10: 0000000000000000 R11: 0000000000000246 R12: 000055867b88bffd
[  270.757685][ T7333] R13: 000055867ffeea90 R14: 0000000000040000 R15: 0000000000000000
| [  272.115189][ T7366] softirqs last disabled at (391694): inet6_fill_ifla6_attrs (net/ipv6/addrconf.c:5883)
| [  272.115192][ T7366] Preemption disabled at:
| [  272.115193][ T7366] vprintk_emit (kernel/printk/printk.c:2471)
| [  272.115202][ T7366] Tainted: [W]=WARN
[  272.115203][ T7366] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[  272.115205][ T7366] Call Trace:
[  272.115207][ T7366]  <TASK>
[  272.115209][ T7366]  dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120)
[  272.115215][ T7366]  ? vprintk_emit (kernel/printk/printk.c:2471)
[  272.115217][ T7366]  __might_resched.cold (kernel/sched/core.c:9234)
[  272.115222][ T7366]  ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3))
[  272.115227][ T7366]  ? __kmalloc_noprof (./include/linux/sched/mm.h:317 mm/slub.c:4636 mm/slub.c:4974 mm/slub.c:5413 mm/slub.c:5439)
[  272.115232][ T7366]  __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))
[  272.115234][ T7366]  ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[  272.115243][ T7366]  ? 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)
[  272.115246][ T7366]  alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[  272.115250][ T7366]  put_chars (drivers/char/virtio_console.c:1176)
[  272.115253][ T7366]  ? __send_to_port (drivers/char/virtio_console.c:654)
[  272.115256][ T7366]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380)
[  272.115260][ T7366]  ? validate_chain (kernel/locking/lockdep.c:3817 (discriminator 2) kernel/locking/lockdep.c:3837 (discriminator 2) kernel/locking/lockdep.c:3892 (discriminator 2))
[  272.115264][ T7366]  hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2))
[  272.115269][ T7366]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[  272.115270][ T7366]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[  272.115275][ T7366]  ? hvc_write (drivers/tty/hvc/hvc_console.c:501)
[  272.115279][ T7366]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  272.115281][ T7366]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  272.115286][ T7366]  console_emit_next_record (kernel/printk/printk.c:3183)
[  272.115290][ T7366]  ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20)
[  272.115292][ T7366]  ? 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))
[  272.115295][ T7366]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  272.115297][ T7366]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  272.115301][ T7366]  console_flush_one_record (kernel/printk/printk.c:3268)
[  272.115306][ T7366]  ? console_emit_next_record (kernel/printk/printk.c:3150)
[  272.115308][ T7366]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[  272.115314][ T7366]  console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420)
[  272.115317][ T7366]  ? console_flush_one_record (kernel/printk/printk.c:3316)
[  272.115319][ T7366]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  272.115321][ T7366]  ? 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)
[  272.115325][ T7366]  ? __down_trylock_console_sem (kernel/printk/printk.c:334)
[  272.115327][ T7366]  ? vprintk_emit (kernel/printk/printk.c:2478)
[  272.115330][ T7366]  vprintk_emit (kernel/printk/printk.c:2479)
[  272.115334][ T7366]  ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126))
[  272.115340][ T7366]  _printk (kernel/printk/printk.c:2504)
[  272.115344][ T7366]  ? snapshot_read.cold (user.c:?)
[  272.115347][ T7366]  ? lockdep_rtnl_is_held (./include/linux/lockdep.h:249 net/core/rtnetlink.c:182)
[  272.115351][ T7366]  ? netdev_upper_get_next_dev_rcu (net/core/dev.c:8213 (discriminator 5))
[  272.115355][ T7366]  ? __netdev_update_features (net/core/dev.c:11078 (discriminator 2))
[  272.115357][ T7366]  ? netdev_name (./include/linux/netdevice.h:5709 (discriminator 1))
[  272.115360][ T7366]  ? __netdev_printk (net/core/dev.c:13148 (discriminator 2))
[  272.115364][ T7366]  netdev_info (net/core/dev.c:13195 (discriminator 3))
[  272.115367][ T7366]  ? netdev_notice (net/core/dev.c:13194)
[  272.115369][ T7366]  ? ovs_netdev_link (net/openvswitch/vport-netdev.c:85) openvswitch
[  272.115378][ T7366]  ? 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)
[  272.115381][ T7366]  __dev_set_promiscuity.cold (net/core/dev.c:9672 (discriminator 3))
[  272.115385][ T7366]  netif_set_promiscuity (net/core/dev.c:9699)
[  272.115389][ T7366]  dev_set_promiscuity (net/core/dev_api.c:288)
[  272.115391][ T7366]  ? dev_disable_lro (net/core/dev_api.c:267)
[  272.115393][ T7366] ovs_netdev_link (net/openvswitch/vport-netdev.c:106) openvswitch
[  272.115399][ T7366] ovs_vport_add (net/openvswitch/vport.c:209) openvswitch
[  272.115404][ T7366] new_vport (net/openvswitch/datapath.c:203) openvswitch
[  272.115408][ T7366]  ? ovs_lookup_vport (./include/linux/lockdep.h:249 net/openvswitch/datapath.c:120 net/openvswitch/datapath.c:117 net/openvswitch/datapath.c:190) openvswitch
[  272.115413][ T7366] ovs_vport_cmd_new (net/openvswitch/datapath.c:2389) openvswitch
[  272.115419][ T7366]  ? ovs_vport_cmd_fill_info.isra.0 (./include/net/netlink.h:1107 (discriminator 1)) openvswitch
[  272.115422][ T7366]  ? __nla_validate_parse (lib/nlattr.c:635)
[  272.115428][ T7366]  ? __nla_parse (lib/nlattr.c:732)
[  272.115431][ T7366]  ? genl_family_rcv_msg_attrs_parse.isra.0 (./include/net/netlink.h:789 (discriminator 2) net/netlink/genetlink.c:944 (discriminator 2))
[  272.115436][ T7366]  genl_family_rcv_msg_doit (net/netlink/genetlink.c:1114)
[  272.115439][ T7366]  ? genl_family_rcv_msg_attrs_parse.isra.0 (./include/net/netlink.h:785 (discriminator 2))
[  272.115447][ T7366]  ? security_capable (security/security.c:660 (discriminator 11))
[  272.115452][ T7366]  genl_family_rcv_msg (net/netlink/genetlink.c:1194)
[  272.115456][ T7366]  ? genl_family_rcv_msg_dumpit (net/netlink/genetlink.c:1079)
[  272.115458][ T7366]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380)
[  272.115460][ T7366]  ? ovs_vport_cmd_fill_info.isra.0 (./include/net/netlink.h:1107 (discriminator 1)) openvswitch
[  272.115465][ T7366]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[  272.115470][ T7366]  genl_rcv_msg (net/netlink/genetlink.c:1209)
[  272.115474][ T7366]  netlink_rcv_skb (net/netlink/af_netlink.c:2556)
[  272.115476][ T7366]  ? genl_family_rcv_msg (net/netlink/genetlink.c:1136 (discriminator 2))
[  272.115479][ T7366]  ? netlink_ack (./include/linux/skbuff.h:2718)
[  272.115486][ T7366]  ? 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))
[  272.115488][ T7366]  ? 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))
[  272.115493][ T7366]  genl_rcv (net/netlink/genetlink.c:1218)
[  272.115495][ T7366]  netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[  272.115499][ T7366]  ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[  272.115503][ T7366]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[  272.115506][ T7366]  netlink_sendmsg (net/netlink/af_netlink.c:1900)
[  272.115510][ T7366]  ? netlink_unicast (./include/net/net_namespace.h:422 (discriminator 7))
[  272.115512][ T7366]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[  272.115515][ T7366]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554)
[  272.115520][ T7366]  __sock_sendmsg (net/socket.c:800 (discriminator 4) net/socket.c:815 (discriminator 4))
[  272.115523][ T7366]  ? fdget (fs/file.c:1200 fs/file.c:1208)
[  272.115527][ T7366]  __sys_sendto (net/socket.c:2281)
[  272.115530][ T7366]  ? __ia32_sys_getpeername (net/socket.c:2235)
[  272.115541][ T7366]  ? exc_page_fault (arch/x86/mm/fault.c:1483 arch/x86/mm/fault.c:1536)
[  272.115547][ T7366]  __x64_sys_sendto (net/socket.c:2288 net/socket.c:2284 net/socket.c:2284)
[  272.115550][ T7366]  ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22))
[  272.115553][ T7366]  ? lockdep_hardirqs_on (kernel/locking/lockdep.c:4488)
[  272.115555][ T7366]  ? do_syscall_64 (arch/x86/entry/syscall_64.c:81 (discriminator 44))
[  272.115557][ T7366]  do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84)
[  272.115559][ T7366]  ? exc_page_fault (arch/x86/mm/fault.c:1489 (discriminator 3) arch/x86/mm/fault.c:1536 (discriminator 3))
[  272.115562][ T7366]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[  272.115564][ T7366] RIP: 0033:0x7f979b3df312
[  272.115568][ T7366] Code: 08 0f 85 71 41 ff ff 49 89 fb 48 89 f0 48 89 d7 48 89 ce 4c 89 c2 4d 89 ca 4c 8b 44 24 08 4c 8b 4c 24 10 4c 89 5c 24 08 0f 05 <c3> 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 00 f3 0f 1e fa 55 bf 01 00
All code
========
   0:	08 0f                	or     %cl,(%rdi)
   2:	85 71 41             	test   %esi,0x41(%rcx)
   5:	ff                   	(bad)
   6:	ff 49 89             	decl   -0x77(%rcx)
   9:	fb                   	sti
   a:	48 89 f0             	mov    %rsi,%rax
   d:	48 89 d7             	mov    %rdx,%rdi
  10:	48 89 ce             	mov    %rcx,%rsi
  13:	4c 89 c2             	mov    %r8,%rdx
  16:	4d 89 ca             	mov    %r9,%r10
  19:	4c 8b 44 24 08       	mov    0x8(%rsp),%r8
  1e:	4c 8b 4c 24 10       	mov    0x10(%rsp),%r9
  23:	4c 89 5c 24 08       	mov    %r11,0x8(%rsp)
  28:	0f 05                	syscall
  2a:*	c3                   	ret		<-- trapping instruction
  2b:	66 2e 0f 1f 84 00 00 	cs nopw 0x0(%rax,%rax,1)
  32:	00 00 00 
  35:	0f 1f 00             	nopl   (%rax)
  38:	f3 0f 1e fa          	endbr64
  3c:	55                   	push   %rbp
  3d:	bf                   	.byte 0xbf
  3e:	01 00                	add    %eax,(%rax)

Code starting with the faulting instruction
===========================================
   0:	c3                   	ret
   1:	66 2e 0f 1f 84 00 00 	cs nopw 0x0(%rax,%rax,1)
   8:	00 00 00 
   b:	0f 1f 00             	nopl   (%rax)
   e:	f3 0f 1e fa          	endbr64
  12:	55                   	push   %rbp
  13:	bf                   	.byte 0xbf
  14:	01 00                	add    %eax,(%rax)
[  272.115570][ T7366] RSP: 002b:00007ffc5a213db8 EFLAGS: 00000246 ORIG_RAX: 000000000000002c
[  272.115573][ T7366] RAX: ffffffffffffffda RBX: 00007ffc5a213ee8 RCX: 00007f979b3df312
[  272.115574][ T7366] RDX: 0000000000000038 RSI: 00007f9790e0f130 RDI: 0000000000000023
[  272.115575][ T7366] RBP: 00007ffc5a213de0 R08: 00007ffc5a213f60 R09: 000000000000000c
[  272.115576][ T7366] R10: 0000000000000000 R11: 0000000000000246 R12: 00007f9799246190
[  272.115577][ T7366] R13: 00007ffc5a213ee8 R14: 00007f979acfe01a R15: 00007ffc5a2142d8
| [  273.175830][ T7393] softirqs last disabled at (402158): inet6_fill_ifla6_attrs (net/ipv6/addrconf.c:5883)
| [  273.175832][ T7393] Preemption disabled at:
| [  273.175832][ T7393] vprintk_emit (kernel/printk/printk.c:2471)
| [  273.175842][ T7393] Tainted: [W]=WARN
[  273.175843][ T7393] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[  273.175844][ T7393] Call Trace:
[  273.175846][ T7393]  <TASK>
[  273.175848][ T7393]  dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120)
[  273.175854][ T7393]  ? vprintk_emit (kernel/printk/printk.c:2471)
[  273.175856][ T7393]  __might_resched.cold (kernel/sched/core.c:9234)
[  273.175860][ T7393]  ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3))
[  273.175864][ T7393]  ? __kmalloc_noprof (./include/linux/sched/mm.h:317 mm/slub.c:4636 mm/slub.c:4974 mm/slub.c:5413 mm/slub.c:5439)
[  273.175869][ T7393]  __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))
[  273.175871][ T7393]  ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[  273.175877][ T7393]  ? 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)
[  273.175880][ T7393]  alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[  273.175884][ T7393]  put_chars (drivers/char/virtio_console.c:1176)
[  273.175886][ T7393]  ? __send_to_port (drivers/char/virtio_console.c:654)
[  273.175890][ T7393]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380)
[  273.175893][ T7393]  ? validate_chain (kernel/locking/lockdep.c:3817 (discriminator 2) kernel/locking/lockdep.c:3837 (discriminator 2) kernel/locking/lockdep.c:3892 (discriminator 2))
[  273.175897][ T7393]  hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2))
[  273.175904][ T7393]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[  273.175906][ T7393]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[  273.175911][ T7393]  ? hvc_write (drivers/tty/hvc/hvc_console.c:501)
[  273.175915][ T7393]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  273.175918][ T7393]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  273.175923][ T7393]  console_emit_next_record (kernel/printk/printk.c:3183)
[  273.175928][ T7393]  ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20)
[  273.175930][ T7393]  ? 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))
[  273.175934][ T7393]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  273.175936][ T7393]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  273.175941][ T7393]  console_flush_one_record (kernel/printk/printk.c:3268)
[  273.175946][ T7393]  ? console_emit_next_record (kernel/printk/printk.c:3150)
[  273.175948][ T7393]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[  273.175954][ T7393]  console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420)
[  273.175957][ T7393]  ? console_flush_one_record (kernel/printk/printk.c:3316)
[  273.175965][ T7393]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  273.175967][ T7393]  ? 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)
[  273.175971][ T7393]  ? __down_trylock_console_sem (kernel/printk/printk.c:334)
[  273.175973][ T7393]  ? vprintk_emit (kernel/printk/printk.c:2478)
[  273.175976][ T7393]  vprintk_emit (kernel/printk/printk.c:2479)
[  273.175979][ T7393]  ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126))
[  273.175985][ T7393]  _printk (kernel/printk/printk.c:2504)
[  273.175988][ T7393]  ? snapshot_read.cold (user.c:?)
[  273.175991][ T7393]  ? lockdep_rtnl_is_held (./include/linux/lockdep.h:249 net/core/rtnetlink.c:182)
[  273.175994][ T7393]  ? netdev_upper_get_next_dev_rcu (net/core/dev.c:8213 (discriminator 5))
[  273.175998][ T7393]  ? 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)
[  273.176000][ T7393]  ? __netdev_update_features (net/core/dev.c:11078 (discriminator 2))
[  273.176001][ T7393]  ? netdev_name (./include/linux/netdevice.h:5709 (discriminator 1))
[  273.176006][ T7393]  ? __netdev_printk (net/core/dev.c:13148 (discriminator 2))
[  273.176010][ T7393]  netdev_info (net/core/dev.c:13195 (discriminator 3))
[  273.176013][ T7393]  ? netdev_notice (net/core/dev.c:13194)
[  273.176016][ T7393]  ? ovs_netdev_link (net/openvswitch/vport-netdev.c:85) openvswitch
[  273.176026][ T7393]  ? 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)
[  273.176028][ T7393]  __dev_set_promiscuity.cold (net/core/dev.c:9672 (discriminator 3))
[  273.176032][ T7393]  netif_set_promiscuity (net/core/dev.c:9699)
[  273.176036][ T7393]  dev_set_promiscuity (net/core/dev_api.c:288)
[  273.176038][ T7393]  ? dev_disable_lro (net/core/dev_api.c:267)
[  273.176041][ T7393] ovs_netdev_link (net/openvswitch/vport-netdev.c:106) openvswitch
[  273.176047][ T7393] ovs_vport_add (net/openvswitch/vport.c:209) openvswitch
[  273.176052][ T7393] new_vport (net/openvswitch/datapath.c:203) openvswitch
[  273.176057][ T7393]  ? ovs_lookup_vport (./include/linux/lockdep.h:249 net/openvswitch/datapath.c:120 net/openvswitch/datapath.c:117 net/openvswitch/datapath.c:190) openvswitch
[  273.176061][ T7393] ovs_vport_cmd_new (net/openvswitch/datapath.c:2389) openvswitch
[  273.176067][ T7393]  ? ovs_vport_cmd_fill_info.isra.0 (./include/net/netlink.h:1107 (discriminator 1)) openvswitch
[  273.176071][ T7393]  ? __nla_validate_parse (lib/nlattr.c:635)
[  273.176077][ T7393]  ? __nla_parse (lib/nlattr.c:732)
[  273.176080][ T7393]  ? genl_family_rcv_msg_attrs_parse.isra.0 (./include/net/netlink.h:789 (discriminator 2) net/netlink/genetlink.c:944 (discriminator 2))
[  273.176085][ T7393]  genl_family_rcv_msg_doit (net/netlink/genetlink.c:1114)
[  273.176089][ T7393]  ? genl_family_rcv_msg_attrs_parse.isra.0 (./include/net/netlink.h:785 (discriminator 2))
[  273.176097][ T7393]  ? security_capable (security/security.c:660 (discriminator 11))
[  273.176101][ T7393]  genl_family_rcv_msg (net/netlink/genetlink.c:1194)
[  273.176105][ T7393]  ? genl_family_rcv_msg_dumpit (net/netlink/genetlink.c:1079)
[  273.176108][ T7393]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380)
[  273.176110][ T7393]  ? ovs_vport_cmd_fill_info.isra.0 (./include/net/netlink.h:1107 (discriminator 1)) openvswitch
[  273.176114][ T7393]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[  273.176120][ T7393]  genl_rcv_msg (net/netlink/genetlink.c:1209)
[  273.176123][ T7393]  netlink_rcv_skb (net/netlink/af_netlink.c:2556)
[  273.176126][ T7393]  ? genl_family_rcv_msg (net/netlink/genetlink.c:1136 (discriminator 2))
[  273.176129][ T7393]  ? netlink_ack (./include/linux/skbuff.h:2718)
[  273.176136][ T7393]  ? 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))
[  273.176138][ T7393]  ? 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))
[  273.176142][ T7393]  genl_rcv (net/netlink/genetlink.c:1218)
[  273.176145][ T7393]  netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[  273.176149][ T7393]  ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[  273.176153][ T7393]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[  273.176156][ T7393]  netlink_sendmsg (net/netlink/af_netlink.c:1900)
[  273.176161][ T7393]  ? netlink_unicast (./include/net/net_namespace.h:422 (discriminator 7))
[  273.176162][ T7393]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[  273.176165][ T7393]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554)
[  273.176171][ T7393]  __sock_sendmsg (net/socket.c:800 (discriminator 4) net/socket.c:815 (discriminator 4))
[  273.176173][ T7393]  ? fdget (fs/file.c:1200 fs/file.c:1208)
[  273.176177][ T7393]  __sys_sendto (net/socket.c:2281)
[  273.176181][ T7393]  ? __ia32_sys_getpeername (net/socket.c:2235)
[  273.176186][ T7393]  ? do_futex (kernel/futex/syscalls.c:138)
[  273.176190][ T7393]  ? __ia32_sys_get_robust_list (kernel/futex/syscalls.c:94)
[  273.176196][ T7393]  ? exc_page_fault (arch/x86/mm/fault.c:1483 arch/x86/mm/fault.c:1536)
[  273.176200][ T7393]  ? do_futex (kernel/futex/syscalls.c:153 (discriminator 1))
[  273.176204][ T7393]  __x64_sys_sendto (net/socket.c:2288 net/socket.c:2284 net/socket.c:2284)
[  273.176206][ T7393]  ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22))
[  273.176210][ T7393]  ? lockdep_hardirqs_on (kernel/locking/lockdep.c:4488)
[  273.176211][ T7393]  ? do_syscall_64 (arch/x86/entry/syscall_64.c:81 (discriminator 44))
[  273.176214][ T7393]  do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84)
[  273.176216][ T7393]  ? exc_page_fault (arch/x86/mm/fault.c:1489 (discriminator 3) arch/x86/mm/fault.c:1536 (discriminator 3))
[  273.176219][ T7393]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[  273.176221][ T7393] RIP: 0033:0x7f259dddd312
[  273.176224][ T7393] Code: 08 0f 85 71 41 ff ff 49 89 fb 48 89 f0 48 89 d7 48 89 ce 4c 89 c2 4d 89 ca 4c 8b 44 24 08 4c 8b 4c 24 10 4c 89 5c 24 08 0f 05 <c3> 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 00 f3 0f 1e fa 55 bf 01 00
All code
========
   0:	08 0f                	or     %cl,(%rdi)
   2:	85 71 41             	test   %esi,0x41(%rcx)
   5:	ff                   	(bad)
   6:	ff 49 89             	decl   -0x77(%rcx)
   9:	fb                   	sti
   a:	48 89 f0             	mov    %rsi,%rax
   d:	48 89 d7             	mov    %rdx,%rdi
  10:	48 89 ce             	mov    %rcx,%rsi
  13:	4c 89 c2             	mov    %r8,%rdx
  16:	4d 89 ca             	mov    %r9,%r10
  19:	4c 8b 44 24 08       	mov    0x8(%rsp),%r8
  1e:	4c 8b 4c 24 10       	mov    0x10(%rsp),%r9
  23:	4c 89 5c 24 08       	mov    %r11,0x8(%rsp)
  28:	0f 05                	syscall
  2a:*	c3                   	ret		<-- trapping instruction
  2b:	66 2e 0f 1f 84 00 00 	cs nopw 0x0(%rax,%rax,1)
  32:	00 00 00 
  35:	0f 1f 00             	nopl   (%rax)
  38:	f3 0f 1e fa          	endbr64
  3c:	55                   	push   %rbp
  3d:	bf                   	.byte 0xbf
  3e:	01 00                	add    %eax,(%rax)

Code starting with the faulting instruction
===========================================
   0:	c3                   	ret
   1:	66 2e 0f 1f 84 00 00 	cs nopw 0x0(%rax,%rax,1)
   8:	00 00 00 
   b:	0f 1f 00             	nopl   (%rax)
   e:	f3 0f 1e fa          	endbr64
  12:	55                   	push   %rbp
  13:	bf                   	.byte 0xbf
  14:	01 00                	add    %eax,(%rax)
[  273.176226][ T7393] RSP: 002b:00007ffe335221f8 EFLAGS: 00000246 ORIG_RAX: 000000000000002c
[  273.176229][ T7393] RAX: ffffffffffffffda RBX: 00007ffe33522328 RCX: 00007f259dddd312
[  273.176231][ T7393] RDX: 0000000000000034 RSI: 00007f259807ba70 RDI: 0000000000000023
[  273.176231][ T7393] RBP: 00007ffe33522220 R08: 00007ffe335223a0 R09: 000000000000000c
[  273.176232][ T7393] R10: 0000000000000000 R11: 0000000000000246 R12: 00007f259bc36190
[  273.176233][ T7393] R13: 00007ffe33522328 R14: 00007f259d6fc01a R15: 00007ffe33522718
| [  282.427556][   T12] softirqs last disabled at (7918281): __irq_exit_rcu (kernel/softirq.c:679 kernel/softirq.c:519 kernel/softirq.c:767)
| [  282.427559][   T12] Preemption disabled at:
| [  282.427559][   T12] vprintk_emit (kernel/printk/printk.c:2471)
| [  282.427569][   T12] Tainted: [W]=WARN
[  282.427570][   T12] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[  282.427572][   T12] Workqueue: netns cleanup_net
[  282.427576][   T12] Call Trace:
[  282.427578][   T12]  <TASK>
[  282.427580][   T12]  dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120)
[  282.427586][   T12]  ? vprintk_emit (kernel/printk/printk.c:2471)
[  282.427588][   T12]  __might_resched.cold (kernel/sched/core.c:9234)
[  282.427594][   T12]  ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3))
[  282.427598][   T12]  ? __kmalloc_noprof (./include/linux/sched/mm.h:317 mm/slub.c:4636 mm/slub.c:4974 mm/slub.c:5413 mm/slub.c:5439)
[  282.427604][   T12]  __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))
[  282.427606][   T12]  ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[  282.427614][   T12]  ? 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)
[  282.427617][   T12]  alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[  282.427622][   T12]  put_chars (drivers/char/virtio_console.c:1176)
[  282.427624][   T12]  ? prb_final_commit (kernel/printk/printk_ringbuffer.c:1842)
[  282.427627][   T12]  ? __send_to_port (drivers/char/virtio_console.c:654)
[  282.427631][   T12]  ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4116 (discriminator 3) kernel/rcu/tree.c:4108 (discriminator 3))
[  282.427635][   T12]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380)
[  282.427638][   T12]  ? validate_chain (kernel/locking/lockdep.c:3817 (discriminator 2) kernel/locking/lockdep.c:3837 (discriminator 2) kernel/locking/lockdep.c:3892 (discriminator 2))
[  282.427643][   T12]  hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2))
[  282.427648][   T12]  ? mark_usage (kernel/locking/lockdep.c:4690)
[  282.427651][   T12]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[  282.427653][   T12]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[  282.427659][   T12]  ? hvc_write (drivers/tty/hvc/hvc_console.c:501)
[  282.427663][   T12]  ? console_emit_next_record (kernel/printk/printk.c:3095 (discriminator 2) kernel/printk/printk.c:3182 (discriminator 2))
[  282.427669][   T12]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  282.427672][   T12]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  282.427678][   T12]  console_emit_next_record (kernel/printk/printk.c:3183)
[  282.427684][   T12]  ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20)
[  282.427686][   T12]  ? 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))
[  282.427691][   T12]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  282.427694][   T12]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  282.427699][   T12]  console_flush_one_record (kernel/printk/printk.c:3268)
[  282.427706][   T12]  ? console_emit_next_record (kernel/printk/printk.c:3150)
[  282.427708][   T12]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[  282.427716][   T12]  console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420)
[  282.427720][   T12]  ? console_flush_one_record (kernel/printk/printk.c:3316)
[  282.427722][   T12]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  282.427725][   T12]  ? 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)
[  282.427730][   T12]  ? __down_trylock_console_sem (kernel/printk/printk.c:334)
[  282.427732][   T12]  ? vprintk_emit (kernel/printk/printk.c:2478)
[  282.427737][   T12]  vprintk_emit (kernel/printk/printk.c:2479)
[  282.427741][   T12]  ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126))
[  282.427745][   T12]  ? net_disable_timestamp (./include/linux/workqueue.h:761)
[  282.427748][   T12]  ? net_generic (./include/linux/rcupdate.h:882 ./include/net/netns/generic.h:48) vxlan
[  282.427759][   T12]  _printk (kernel/printk/printk.c:2504)
[  282.427763][   T12]  ? snapshot_read.cold (user.c:?)
[  282.427770][   T12]  ? netdev_name (./include/linux/netdevice.h:5709 (discriminator 1))
[  282.427774][   T12]  ? __netdev_printk (net/core/dev.c:13148 (discriminator 2))
[  282.427779][   T12]  netdev_info (net/core/dev.c:13195 (discriminator 3))
[  282.427783][   T12]  ? netdev_notice (net/core/dev.c:13194)
[  282.427785][   T12]  ? __netdev_upper_dev_unlink (net/core/dev.c:9094)
[  282.427790][   T12]  ? synchronize_rcu_expedited (kernel/rcu/tree_exp.h:985)
[  282.427798][   T12]  ? 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)
[  282.427801][   T12]  __dev_set_promiscuity.cold (net/core/dev.c:9672 (discriminator 3))
[  282.427806][   T12]  netif_set_promiscuity (net/core/dev.c:9699)
[  282.427811][   T12]  dev_set_promiscuity (net/core/dev_api.c:288)
[  282.427813][   T12]  ? rtnl_is_locked (net/core/rtnetlink.c:169)
[  282.427818][   T12] ovs_netdev_detach_dev (net/openvswitch/vport-netdev.c:174) openvswitch
[  282.427826][   T12] dp_device_event (net/openvswitch/dp_notify.c:74) openvswitch
[  282.427832][   T12]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  282.427835][   T12]  notifier_call_chain (kernel/notifier.c:85)
[  282.427842][   T12]  unregister_netdevice_many_notify (net/core/dev.c:2313 net/core/dev.c:2327 net/core/dev.c:12518)
[  282.427848][   T12]  ? unregister_netdevice_queued (./include/linux/list.h:419 (discriminator 3))
[  282.427858][   T12]  default_device_exit_batch (net/core/dev.c:12589 net/core/dev.c:13288)
[  282.427862][   T12]  ? unregister_netdevice_queue (./include/linux/list.h:173)
[  282.427865][   T12]  ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3))
[  282.427868][   T12]  ? fou_exit_net (net/ipv4/fou_core.c:1228)
[  282.427874][   T12]  ops_undo_list (net/core/net_namespace.c:206 net/core/net_namespace.c:253)
[  282.427878][   T12]  ? lockdep_hardirqs_on (kernel/locking/lockdep.c:4488)
[  282.427882][   T12]  ? netns_install (./include/linux/ns_common.h:26)
[  282.427884][   T12]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554)
[  282.427888][   T12]  ? idr_destroy (lib/radix-tree.c:310 lib/radix-tree.c:674 lib/radix-tree.c:1563)
[  282.427894][   T12]  cleanup_net (net/core/net_namespace.c:706)
[  282.427901][   T12]  ? net_passive_dec (./include/linux/llist.h:241)
[  282.427906][   T12]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  282.427908][   T12]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  282.427912][   T12]  process_one_work (kernel/workqueue.c:3387)
[  282.427920][   T12]  ? __queue_delayed_work (kernel/workqueue.c:2622)
[  282.427924][   T12]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2))
[  282.427934][   T12]  worker_thread (kernel/workqueue.c:3470 kernel/workqueue.c:3551)
[  282.427943][   T12]  ? rescuer_thread (./include/linux/list.h:419 (discriminator 3))
[  282.427945][   T12]  kthread (kernel/kthread.c:436)
[  282.427948][   T12]  ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22))
[  282.427951][   T12]  ? kthread_affine_preferred (kernel/kthread.c:857)
[  282.427955][   T12]  ret_from_fork (arch/x86/kernel/process.c:158)
[  282.427960][   T12]  ? arch_exit_to_user_mode_prepare.isra.0 (arch/x86/entry/vdso/vma.c:80 (discriminator 1))
[  282.427964][   T12]  ? __switch_to (arch/x86/kernel/process_64.c:403 arch/x86/kernel/process_64.c:663)
[  282.427968][   T12]  ? kthread_affine_preferred (kernel/kthread.c:857)
[  282.427972][   T12]  ret_from_fork_asm (arch/x86/entry/entry_64.S:245)
| [  283.446811][ T7594] softirqs last disabled at (390386): inet6_fill_ifla6_attrs (net/ipv6/addrconf.c:5883)
| [  283.446813][ T7594] Preemption disabled at:
| [  283.446814][ T7594] vprintk_emit (kernel/printk/printk.c:2471)
| [  283.446823][ T7594] Tainted: [W]=WARN
[  283.446823][ T7594] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[  283.446825][ T7594] Call Trace:
[  283.446827][ T7594]  <TASK>
[  283.446828][ T7594]  dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120)
[  283.446834][ T7594]  ? vprintk_emit (kernel/printk/printk.c:2471)
[  283.446836][ T7594]  __might_resched.cold (kernel/sched/core.c:9234)
[  283.446840][ T7594]  ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3))
[  283.446844][ T7594]  ? __kmalloc_noprof (./include/linux/sched/mm.h:317 mm/slub.c:4636 mm/slub.c:4974 mm/slub.c:5413 mm/slub.c:5439)
[  283.446849][ T7594]  __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))
[  283.446851][ T7594]  ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[  283.446857][ T7594]  ? 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)
[  283.446860][ T7594]  alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[  283.446864][ T7594]  put_chars (drivers/char/virtio_console.c:1176)
[  283.446867][ T7594]  ? __send_to_port (drivers/char/virtio_console.c:654)
[  283.446868][ T7594]  ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4116 (discriminator 3) kernel/rcu/tree.c:4108 (discriminator 3))
[  283.446872][ T7594]  ? validate_chain (kernel/locking/lockdep.c:3817 (discriminator 2) kernel/locking/lockdep.c:3837 (discriminator 2) kernel/locking/lockdep.c:3892 (discriminator 2))
[  283.446877][ T7594]  hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2))
[  283.446886][ T7594]  ? hvc_write (drivers/tty/hvc/hvc_console.c:501)
[  283.446888][ T7594]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  283.446891][ T7594]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  283.446895][ T7594]  console_emit_next_record (kernel/printk/printk.c:3183)
[  283.446903][ T7594]  ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20)
[  283.446905][ T7594]  ? 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))
[  283.446909][ T7594]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  283.446911][ T7594]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  283.446915][ T7594]  console_flush_one_record (kernel/printk/printk.c:3268)
[  283.446920][ T7594]  ? console_emit_next_record (kernel/printk/printk.c:3150)
[  283.446922][ T7594]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[  283.446928][ T7594]  console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420)
[  283.446931][ T7594]  ? console_flush_one_record (kernel/printk/printk.c:3316)
[  283.446933][ T7594]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  283.446935][ T7594]  ? 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)
[  283.446938][ T7594]  ? __down_trylock_console_sem (kernel/printk/printk.c:334)
[  283.446940][ T7594]  ? vprintk_emit (kernel/printk/printk.c:2478)
[  283.446943][ T7594]  vprintk_emit (kernel/printk/printk.c:2479)
[  283.446947][ T7594]  ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126))
[  283.446951][ T7594]  ? net_disable_timestamp (./include/linux/workqueue.h:761)
[  283.446954][ T7594]  ? net_generic (./include/linux/rcupdate.h:882 ./include/net/netns/generic.h:48) vxlan
[  283.446963][ T7594]  _printk (kernel/printk/printk.c:2504)
[  283.446967][ T7594]  ? snapshot_read.cold (user.c:?)
[  283.446971][ T7594]  ? netdev_name (./include/linux/netdevice.h:5709 (discriminator 1))
[  283.446975][ T7594]  ? __netdev_printk (net/core/dev.c:13148 (discriminator 2))
[  283.446979][ T7594]  netdev_info (net/core/dev.c:13195 (discriminator 3))
[  283.446982][ T7594]  ? netdev_notice (net/core/dev.c:13194)
[  283.446984][ T7594]  ? __netdev_upper_dev_unlink (net/core/dev.c:9094)
[  283.446989][ T7594]  ? synchronize_rcu_expedited (kernel/rcu/tree_exp.h:985)
[  283.446994][ T7594]  ? 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)
[  283.446997][ T7594]  __dev_set_promiscuity.cold (net/core/dev.c:9672 (discriminator 3))
[  283.447001][ T7594]  netif_set_promiscuity (net/core/dev.c:9699)
[  283.447005][ T7594]  dev_set_promiscuity (net/core/dev_api.c:288)
[  283.447007][ T7594]  ? rtnl_is_locked (net/core/rtnetlink.c:169)
[  283.447010][ T7594] ovs_netdev_detach_dev (net/openvswitch/vport-netdev.c:174) openvswitch
[  283.447015][ T7594]  ? netdev_destroy (net/openvswitch/vport-netdev.c:189) openvswitch
[  283.447019][ T7594] netdev_destroy (net/openvswitch/vport-netdev.c:194) openvswitch
[  283.447024][ T7594] ovs_vport_cmd_del (net/openvswitch/datapath.c:2505) openvswitch
[  283.447032][ T7594]  genl_family_rcv_msg_doit (net/netlink/genetlink.c:1114)
[  283.447036][ T7594]  ? genl_family_rcv_msg_attrs_parse.isra.0 (./include/net/netlink.h:785 (discriminator 2))
[  283.447049][ T7594]  ? security_capable (security/security.c:660 (discriminator 11))
[  283.447054][ T7594]  genl_family_rcv_msg (net/netlink/genetlink.c:1194)
[  283.447058][ T7594]  ? genl_family_rcv_msg_dumpit (net/netlink/genetlink.c:1079)
[  283.447061][ T7594]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380)
[  283.447064][ T7594]  ? ovs_dp_detach_port (./include/linux/list.h:1047 (discriminator 2)) openvswitch
[  283.447068][ T7594]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[  283.447074][ T7594]  genl_rcv_msg (net/netlink/genetlink.c:1209)
[  283.447078][ T7594]  netlink_rcv_skb (net/netlink/af_netlink.c:2556)
[  283.447080][ T7594]  ? genl_family_rcv_msg (net/netlink/genetlink.c:1136 (discriminator 2))
[  283.447084][ T7594]  ? netlink_ack (./include/linux/skbuff.h:2718)
[  283.447091][ T7594]  ? 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))
[  283.447093][ T7594]  ? 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))
[  283.447097][ T7594]  genl_rcv (net/netlink/genetlink.c:1218)
[  283.447099][ T7594]  netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[  283.447104][ T7594]  ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[  283.447105][ T7594]  ? _raw_spin_unlock_irqrestore (./include/linux/spinlock_api_smp.h:210 (discriminator 6) kernel/locking/spinlock.c:221 (discriminator 6))
[  283.447111][ T7594]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[  283.447114][ T7594]  netlink_sendmsg (net/netlink/af_netlink.c:1900)
[  283.447118][ T7594]  ? netlink_unicast (./include/net/net_namespace.h:422 (discriminator 7))
[  283.447120][ T7594]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[  283.447123][ T7594]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554)
[  283.447129][ T7594]  __sock_sendmsg (net/socket.c:800 (discriminator 4) net/socket.c:815 (discriminator 4))
[  283.447132][ T7594]  ? fdget (fs/file.c:1200 fs/file.c:1208)
[  283.447136][ T7594]  __sys_sendto (net/socket.c:2281)
[  283.447139][ T7594]  ? __ia32_sys_getpeername (net/socket.c:2235)
[  283.447150][ T7594]  ? exc_page_fault (arch/x86/mm/fault.c:1483 arch/x86/mm/fault.c:1536)
[  283.447156][ T7594]  __x64_sys_sendto (net/socket.c:2288 net/socket.c:2284 net/socket.c:2284)
[  283.447158][ T7594]  ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22))
[  283.447162][ T7594]  ? lockdep_hardirqs_on (kernel/locking/lockdep.c:4488)
[  283.447164][ T7594]  ? do_syscall_64 (arch/x86/entry/syscall_64.c:81 (discriminator 44))
[  283.447166][ T7594]  do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84)
[  283.447168][ T7594]  ? exc_page_fault (arch/x86/mm/fault.c:1489 (discriminator 3) arch/x86/mm/fault.c:1536 (discriminator 3))
[  283.447172][ T7594]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[  283.447174][ T7594] RIP: 0033:0x7fe15b051312
[  283.447178][ T7594] Code: 08 0f 85 71 41 ff ff 49 89 fb 48 89 f0 48 89 d7 48 89 ce 4c 89 c2 4d 89 ca 4c 8b 44 24 08 4c 8b 4c 24 10 4c 89 5c 24 08 0f 05 <c3> 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 00 f3 0f 1e fa 55 bf 01 00
All code
========
   0:	08 0f                	or     %cl,(%rdi)
   2:	85 71 41             	test   %esi,0x41(%rcx)
   5:	ff                   	(bad)
   6:	ff 49 89             	decl   -0x77(%rcx)
   9:	fb                   	sti
   a:	48 89 f0             	mov    %rsi,%rax
   d:	48 89 d7             	mov    %rdx,%rdi
  10:	48 89 ce             	mov    %rcx,%rsi
  13:	4c 89 c2             	mov    %r8,%rdx
  16:	4d 89 ca             	mov    %r9,%r10
  19:	4c 8b 44 24 08       	mov    0x8(%rsp),%r8
  1e:	4c 8b 4c 24 10       	mov    0x10(%rsp),%r9
  23:	4c 89 5c 24 08       	mov    %r11,0x8(%rsp)
  28:	0f 05                	syscall
  2a:*	c3                   	ret		<-- trapping instruction
  2b:	66 2e 0f 1f 84 00 00 	cs nopw 0x0(%rax,%rax,1)
  32:	00 00 00 
  35:	0f 1f 00             	nopl   (%rax)
  38:	f3 0f 1e fa          	endbr64
  3c:	55                   	push   %rbp
  3d:	bf                   	.byte 0xbf
  3e:	01 00                	add    %eax,(%rax)

Code starting with the faulting instruction
===========================================
   0:	c3                   	ret
   1:	66 2e 0f 1f 84 00 00 	cs nopw 0x0(%rax,%rax,1)
   8:	00 00 00 
   b:	0f 1f 00             	nopl   (%rax)
   e:	f3 0f 1e fa          	endbr64
  12:	55                   	push   %rbp
  13:	bf                   	.byte 0xbf
  14:	01 00                	add    %eax,(%rax)
[  283.447180][ T7594] RSP: 002b:00007ffc0a6b5748 EFLAGS: 00000246 ORIG_RAX: 000000000000002c
[  283.447183][ T7594] RAX: ffffffffffffffda RBX: 00007ffc0a6b5878 RCX: 00007fe15b051312
[  283.447184][ T7594] RDX: 0000000000000024 RSI: 00007fe1584a8de0 RDI: 0000000000000023
[  283.447185][ T7594] RBP: 00007ffc0a6b5770 R08: 00007ffc0a6b58f0 R09: 000000000000000c
[  283.447186][ T7594] R10: 0000000000000000 R11: 0000000000000246 R12: 00007fe158ea9fd0
[  283.447187][ T7594] R13: 00007ffc0a6b5878 R14: 00007fe15a97001a R15: 00007ffc0a6b5c68
| [  285.168165][ T7620] softirqs last disabled at (373038): __alloc_skb (./include/linux/bottom_half.h:20 (discriminator 2) net/core/skbuff.c:697 (discriminator 2))
| [  285.168167][ T7620] Preemption disabled at:
| [  285.168168][ T7620] vprintk_emit (kernel/printk/printk.c:2471)
| [  285.168177][ T7620] Tainted: [W]=WARN
[  285.168178][ T7620] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[  285.168179][ T7620] Call Trace:
[  285.168181][ T7620]  <TASK>
[  285.168182][ T7620]  dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120)
[  285.168188][ T7620]  ? vprintk_emit (kernel/printk/printk.c:2471)
[  285.168190][ T7620]  __might_resched.cold (kernel/sched/core.c:9234)
[  285.168194][ T7620]  ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3))
[  285.168198][ T7620]  ? __kmalloc_noprof (./include/linux/sched/mm.h:317 mm/slub.c:4636 mm/slub.c:4974 mm/slub.c:5413 mm/slub.c:5439)
[  285.168203][ T7620]  __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))
[  285.168205][ T7620]  ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[  285.168212][ T7620]  ? 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)
[  285.168215][ T7620]  alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[  285.168218][ T7620]  put_chars (drivers/char/virtio_console.c:1176)
[  285.168221][ T7620]  ? __send_to_port (drivers/char/virtio_console.c:654)
[  285.168222][ T7620]  ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4116 (discriminator 3) kernel/rcu/tree.c:4108 (discriminator 3))
[  285.168226][ T7620]  ? validate_chain (kernel/locking/lockdep.c:3817 (discriminator 2) kernel/locking/lockdep.c:3837 (discriminator 2) kernel/locking/lockdep.c:3892 (discriminator 2))
[  285.168232][ T7620]  hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2))
[  285.168239][ T7620]  ? hvc_write (drivers/tty/hvc/hvc_console.c:501)
[  285.168242][ T7620]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  285.168244][ T7620]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  285.168249][ T7620]  console_emit_next_record (kernel/printk/printk.c:3183)
[  285.168253][ T7620]  ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20)
[  285.168255][ T7620]  ? 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))
[  285.168258][ T7620]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  285.168260][ T7620]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  285.168264][ T7620]  console_flush_one_record (kernel/printk/printk.c:3268)
[  285.168268][ T7620]  ? console_emit_next_record (kernel/printk/printk.c:3150)
[  285.168270][ T7620]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[  285.168276][ T7620]  console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420)
[  285.168279][ T7620]  ? console_flush_one_record (kernel/printk/printk.c:3316)
[  285.168281][ T7620]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  285.168283][ T7620]  ? 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)
[  285.168286][ T7620]  ? __down_trylock_console_sem (kernel/printk/printk.c:334)
[  285.168288][ T7620]  ? vprintk_emit (kernel/printk/printk.c:2478)
[  285.168291][ T7620]  vprintk_emit (kernel/printk/printk.c:2479)
[  285.168294][ T7620]  ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126))
[  285.168296][ T7620]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380)
[  285.168299][ T7620]  ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4116 (discriminator 3) kernel/rcu/tree.c:4108 (discriminator 3))
[  285.168303][ T7620]  _printk (kernel/printk/printk.c:2504)
[  285.168307][ T7620]  ? snapshot_read.cold (user.c:?)
[  285.168311][ T7620]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  285.168312][ T7620]  ? netdev_name (./include/linux/netdevice.h:5709 (discriminator 1))
[  285.168316][ T7620]  ? __netdev_printk (net/core/dev.c:13148 (discriminator 2))
[  285.168320][ T7620]  netdev_info (net/core/dev.c:13195 (discriminator 3))
[  285.168323][ T7620]  ? netdev_notice (net/core/dev.c:13194)
[  285.168325][ T7620]  ? internal_dev_destroy (net/openvswitch/vport-internal_dev.c:178) openvswitch
[  285.168330][ T7620]  ? ww_mutex_lock (kernel/locking/mutex.c:934)
[  285.168336][ T7620]  ? 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)
[  285.168339][ T7620]  __dev_set_promiscuity.cold (net/core/dev.c:9672 (discriminator 3))
[  285.168343][ T7620]  netif_set_promiscuity (net/core/dev.c:9699)
[  285.168348][ T7620]  dev_set_promiscuity (net/core/dev_api.c:288)
[  285.168351][ T7620] internal_dev_destroy (net/openvswitch/vport-internal_dev.c:179) openvswitch
[  285.168356][ T7620] __dp_destroy (net/openvswitch/datapath.c:1969 (discriminator 1)) openvswitch
[  285.168364][ T7620] ovs_dp_cmd_del (net/openvswitch/datapath.c:2003) openvswitch
[  285.168369][ T7620]  genl_family_rcv_msg_doit (net/netlink/genetlink.c:1114)
[  285.168372][ T7620]  ? genl_family_rcv_msg_attrs_parse.isra.0 (./include/net/netlink.h:785 (discriminator 2))
[  285.168381][ T7620]  ? security_capable (security/security.c:660 (discriminator 11))
[  285.168386][ T7620]  genl_family_rcv_msg (net/netlink/genetlink.c:1194)
[  285.168389][ T7620]  ? genl_family_rcv_msg_dumpit (net/netlink/genetlink.c:1079)
[  285.168392][ T7620]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380)
[  285.168394][ T7620]  ? __dp_destroy (./include/linux/list.h:242 (discriminator 2) ./include/linux/list.h:264 (discriminator 2) ./include/linux/rculist.h:178 (discriminator 2) net/openvswitch/datapath.c:1964 (discriminator 2)) openvswitch
[  285.168398][ T7620]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[  285.168404][ T7620]  genl_rcv_msg (net/netlink/genetlink.c:1209)
[  285.168407][ T7620]  netlink_rcv_skb (net/netlink/af_netlink.c:2556)
[  285.168409][ T7620]  ? genl_family_rcv_msg (net/netlink/genetlink.c:1136 (discriminator 2))
[  285.168413][ T7620]  ? netlink_ack (./include/linux/skbuff.h:2718)
[  285.168420][ T7620]  ? 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))
[  285.168423][ T7620]  ? 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))
[  285.168427][ T7620]  genl_rcv (net/netlink/genetlink.c:1218)
[  285.168429][ T7620]  netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[  285.168433][ T7620]  ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[  285.168437][ T7620]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[  285.168440][ T7620]  netlink_sendmsg (net/netlink/af_netlink.c:1900)
[  285.168444][ T7620]  ? netlink_unicast (./include/net/net_namespace.h:422 (discriminator 7))
[  285.168446][ T7620]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[  285.168449][ T7620]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554)
[  285.168454][ T7620]  __sock_sendmsg (net/socket.c:800 (discriminator 4) net/socket.c:815 (discriminator 4))
[  285.168457][ T7620]  ? fdget (fs/file.c:1200 fs/file.c:1208)
[  285.168460][ T7620]  __sys_sendto (net/socket.c:2281)
[  285.168464][ T7620]  ? __ia32_sys_getpeername (net/socket.c:2235)
[  285.168465][ T7620]  ? trace_irq_disable.constprop.0 (./include/trace/events/preemptirq.h:36 (discriminator 22))
[  285.168472][ T7620]  ? rcutree_report_cpu_dead (kernel/rcu/tree.c:4507)
[  285.168480][ T7620]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554)
[  285.168484][ T7620]  __x64_sys_sendto (net/socket.c:2288 net/socket.c:2284 net/socket.c:2284)
[  285.168486][ T7620]  ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22))
[  285.168488][ T7620]  ? lockdep_hardirqs_on (kernel/locking/lockdep.c:4488)
[  285.168491][ T7620]  ? do_syscall_64 (arch/x86/entry/syscall_64.c:81 (discriminator 44))
[  285.168493][ T7620]  do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84)
[  285.168495][ T7620]  ? irq_exit_rcu (kernel/softirq.c:786)
[  285.168499][ T7620]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[  285.168501][ T7620] RIP: 0033:0x7fe223663312
[  285.168505][ T7620] Code: 08 0f 85 71 41 ff ff 49 89 fb 48 89 f0 48 89 d7 48 89 ce 4c 89 c2 4d 89 ca 4c 8b 44 24 08 4c 8b 4c 24 10 4c 89 5c 24 08 0f 05 <c3> 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 00 f3 0f 1e fa 55 bf 01 00
All code
========
   0:	08 0f                	or     %cl,(%rdi)
   2:	85 71 41             	test   %esi,0x41(%rcx)
   5:	ff                   	(bad)
   6:	ff 49 89             	decl   -0x77(%rcx)
   9:	fb                   	sti
   a:	48 89 f0             	mov    %rsi,%rax
   d:	48 89 d7             	mov    %rdx,%rdi
  10:	48 89 ce             	mov    %rcx,%rsi
  13:	4c 89 c2             	mov    %r8,%rdx
  16:	4d 89 ca             	mov    %r9,%r10
  19:	4c 8b 44 24 08       	mov    0x8(%rsp),%r8
  1e:	4c 8b 4c 24 10       	mov    0x10(%rsp),%r9
  23:	4c 89 5c 24 08       	mov    %r11,0x8(%rsp)
  28:	0f 05                	syscall
  2a:*	c3                   	ret		<-- trapping instruction
  2b:	66 2e 0f 1f 84 00 00 	cs nopw 0x0(%rax,%rax,1)
  32:	00 00 00 
  35:	0f 1f 00             	nopl   (%rax)
  38:	f3 0f 1e fa          	endbr64
  3c:	55                   	push   %rbp
  3d:	bf                   	.byte 0xbf
  3e:	01 00                	add    %eax,(%rax)

Code starting with the faulting instruction
===========================================
   0:	c3                   	ret
   1:	66 2e 0f 1f 84 00 00 	cs nopw 0x0(%rax,%rax,1)
   8:	00 00 00 
   b:	0f 1f 00             	nopl   (%rax)
   e:	f3 0f 1e fa          	endbr64
  12:	55                   	push   %rbp
  13:	bf                   	.byte 0xbf
  14:	01 00                	add    %eax,(%rax)
[  285.168506][ T7620] RSP: 002b:00007ffd416861c8 EFLAGS: 00000246 ORIG_RAX: 000000000000002c
[  285.168509][ T7620] RAX: ffffffffffffffda RBX: 00007ffd416862f8 RCX: 00007fe223663312
[  285.168511][ T7620] RDX: 0000000000000024 RSI: 00007fe2201e64c0 RDI: 0000000000000020
[  285.168511][ T7620] RBP: 00007ffd416861f0 R08: 00007ffd41686370 R09: 000000000000000c
[  285.168512][ T7620] R10: 0000000000000000 R11: 0000000000000246 R12: 00007fe2214c5e10
[  285.168513][ T7620] R13: 00007ffd416862f8 R14: 00007fe222f8201a R15: 00007ffd416866e8
| [  289.023306][ T7727] softirqs last disabled at (395138): __alloc_skb (./include/linux/bottom_half.h:20 (discriminator 2) net/core/skbuff.c:697 (discriminator 2))
| [  289.023309][ T7727] Preemption disabled at:
| [  289.023309][ T7727] vprintk_emit (kernel/printk/printk.c:2471)
| [  289.023318][ T7727] Tainted: [W]=WARN
[  289.023319][ T7727] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[  289.023320][ T7727] Call Trace:
[  289.023322][ T7727]  <TASK>
[  289.023324][ T7727]  dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120)
[  289.023330][ T7727]  ? vprintk_emit (kernel/printk/printk.c:2471)
[  289.023332][ T7727]  __might_resched.cold (kernel/sched/core.c:9234)
[  289.023336][ T7727]  ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3))
[  289.023341][ T7727]  ? __kmalloc_noprof (./include/linux/sched/mm.h:317 mm/slub.c:4636 mm/slub.c:4974 mm/slub.c:5413 mm/slub.c:5439)
[  289.023345][ T7727]  __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))
[  289.023347][ T7727]  ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[  289.023354][ T7727]  ? 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)
[  289.023357][ T7727]  alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[  289.023360][ T7727]  put_chars (drivers/char/virtio_console.c:1176)
[  289.023363][ T7727]  ? __send_to_port (drivers/char/virtio_console.c:654)
[  289.023366][ T7727]  ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4116 (discriminator 3) kernel/rcu/tree.c:4108 (discriminator 3))
[  289.023369][ T7727]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380)
[  289.023372][ T7727]  ? validate_chain (kernel/locking/lockdep.c:3817 (discriminator 2) kernel/locking/lockdep.c:3837 (discriminator 2) kernel/locking/lockdep.c:3892 (discriminator 2))
[  289.023376][ T7727]  hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2))
[  289.023380][ T7727]  ? mark_usage (kernel/locking/lockdep.c:4690)
[  289.023382][ T7727]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[  289.023384][ T7727]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[  289.023388][ T7727]  ? hvc_write (drivers/tty/hvc/hvc_console.c:501)
[  289.023390][ T7727]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2))
[  289.023395][ T7727]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  289.023399][ T7727]  console_emit_next_record (kernel/printk/printk.c:3183)
[  289.023403][ T7727]  ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20)
[  289.023405][ T7727]  ? 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))
[  289.023409][ T7727]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  289.023411][ T7727]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  289.023415][ T7727]  console_flush_one_record (kernel/printk/printk.c:3268)
[  289.023419][ T7727]  ? console_emit_next_record (kernel/printk/printk.c:3150)
[  289.023421][ T7727]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[  289.023427][ T7727]  console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420)
[  289.023430][ T7727]  ? console_flush_one_record (kernel/printk/printk.c:3316)
[  289.023432][ T7727]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  289.023434][ T7727]  ? 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)
[  289.023438][ T7727]  ? __down_trylock_console_sem (kernel/printk/printk.c:334)
[  289.023440][ T7727]  ? vprintk_emit (kernel/printk/printk.c:2478)
[  289.023442][ T7727]  vprintk_emit (kernel/printk/printk.c:2479)
[  289.023446][ T7727]  ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126))
[  289.023448][ T7727]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554)
[  289.023450][ T7727]  ? genl_family_rcv_msg (net/netlink/genetlink.c:1194)
[  289.023455][ T7727]  _printk (kernel/printk/printk.c:2504)
[  289.023458][ T7727]  ? snapshot_read.cold (user.c:?)
[  289.023460][ T7727]  ? ___ratelimit (lib/ratelimit.c:97 (discriminator 3))
[  289.023466][ T7727]  ? idr_get_free (??:?)
[  289.023470][ T7727]  validate_nla.cold (lib/nlattr.c:414 (discriminator 4))
[  289.023480][ T7727]  ? nla_get_range_signed (lib/nlattr.c:270)
[  289.023486][ T7727]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  289.023488][ T7727]  ? trace_kmalloc (./include/trace/events/kmem.h:57 (discriminator 22))
[  289.023492][ T7727]  __nla_validate_parse (lib/nlattr.c:635)
[  289.023497][ T7727]  __nla_parse (lib/nlattr.c:732)
[  289.023500][ T7727]  genl_family_rcv_msg_attrs_parse.isra.0 (./include/net/netlink.h:789 (discriminator 2) net/netlink/genetlink.c:944 (discriminator 2))
[  289.023505][ T7727]  genl_family_rcv_msg_doit (net/netlink/genetlink.c:1092)
[  289.023509][ T7727]  ? genl_family_rcv_msg_attrs_parse.isra.0 (./include/net/netlink.h:785 (discriminator 2))
[  289.023517][ T7727]  ? security_capable (security/security.c:660 (discriminator 11))
[  289.023522][ T7727]  genl_family_rcv_msg (net/netlink/genetlink.c:1194)
[  289.023525][ T7727]  ? genl_family_rcv_msg_dumpit (net/netlink/genetlink.c:1079)
[  289.023528][ T7727]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380)
[  289.023531][ T7727]  ? ovs_dp_cmd_get (./include/net/net_namespace.h:422 (discriminator 7)) openvswitch
[  289.023539][ T7727]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[  289.023545][ T7727]  genl_rcv_msg (net/netlink/genetlink.c:1209)
[  289.023549][ T7727]  netlink_rcv_skb (net/netlink/af_netlink.c:2556)
[  289.023551][ T7727]  ? genl_family_rcv_msg (net/netlink/genetlink.c:1136 (discriminator 2))
[  289.023554][ T7727]  ? netlink_ack (./include/linux/skbuff.h:2718)
[  289.023562][ T7727]  ? 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))
[  289.023564][ T7727]  ? 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))
[  289.023568][ T7727]  genl_rcv (net/netlink/genetlink.c:1218)
[  289.023571][ T7727]  netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[  289.023575][ T7727]  ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[  289.023579][ T7727]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[  289.023582][ T7727]  netlink_sendmsg (net/netlink/af_netlink.c:1900)
[  289.023587][ T7727]  ? netlink_unicast (./include/net/net_namespace.h:422 (discriminator 7))
[  289.023588][ T7727]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[  289.023592][ T7727]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554)
[  289.023597][ T7727]  __sock_sendmsg (net/socket.c:800 (discriminator 4) net/socket.c:815 (discriminator 4))
[  289.023600][ T7727]  ? fdget (fs/file.c:1200 fs/file.c:1208)
[  289.023603][ T7727]  __sys_sendto (net/socket.c:2281)
[  289.023607][ T7727]  ? __ia32_sys_getpeername (net/socket.c:2235)
[  289.023618][ T7727]  ? fput_close_sync (fs/file_table.c:617)
[  289.023621][ T7727]  ? alloc_file_clone (fs/file_table.c:479)
[  289.023625][ T7727]  __x64_sys_sendto (net/socket.c:2288 net/socket.c:2284 net/socket.c:2284)
[  289.023628][ T7727]  ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22))
[  289.023632][ T7727]  ? lockdep_hardirqs_on (kernel/locking/lockdep.c:4488)
[  289.023634][ T7727]  ? do_syscall_64 (arch/x86/entry/syscall_64.c:81 (discriminator 44))
[  289.023637][ T7727]  do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84)
[  289.023639][ T7727]  ? exc_page_fault (arch/x86/mm/fault.c:1489 (discriminator 3) arch/x86/mm/fault.c:1536 (discriminator 3))
[  289.023641][ T7727]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[  289.023643][ T7727] RIP: 0033:0x7f659182a312
[  289.023647][ T7727] Code: 08 0f 85 71 41 ff ff 49 89 fb 48 89 f0 48 89 d7 48 89 ce 4c 89 c2 4d 89 ca 4c 8b 44 24 08 4c 8b 4c 24 10 4c 89 5c 24 08 0f 05 <c3> 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 00 f3 0f 1e fa 55 bf 01 00
All code
========
   0:	08 0f                	or     %cl,(%rdi)
   2:	85 71 41             	test   %esi,0x41(%rcx)
   5:	ff                   	(bad)
   6:	ff 49 89             	decl   -0x77(%rcx)
   9:	fb                   	sti
   a:	48 89 f0             	mov    %rsi,%rax
   d:	48 89 d7             	mov    %rdx,%rdi
  10:	48 89 ce             	mov    %rcx,%rsi
  13:	4c 89 c2             	mov    %r8,%rdx
  16:	4d 89 ca             	mov    %r9,%r10
  19:	4c 8b 44 24 08       	mov    0x8(%rsp),%r8
  1e:	4c 8b 4c 24 10       	mov    0x10(%rsp),%r9
  23:	4c 89 5c 24 08       	mov    %r11,0x8(%rsp)
  28:	0f 05                	syscall
  2a:*	c3                   	ret		<-- trapping instruction
  2b:	66 2e 0f 1f 84 00 00 	cs nopw 0x0(%rax,%rax,1)
  32:	00 00 00 
  35:	0f 1f 00             	nopl   (%rax)
  38:	f3 0f 1e fa          	endbr64
  3c:	55                   	push   %rbp
  3d:	bf                   	.byte 0xbf
  3e:	01 00                	add    %eax,(%rax)

Code starting with the faulting instruction
===========================================
   0:	c3                   	ret
   1:	66 2e 0f 1f 84 00 00 	cs nopw 0x0(%rax,%rax,1)
   8:	00 00 00 
   b:	0f 1f 00             	nopl   (%rax)
   e:	f3 0f 1e fa          	endbr64
  12:	55                   	push   %rbp
  13:	bf                   	.byte 0xbf
  14:	01 00                	add    %eax,(%rax)
[  289.023649][ T7727] RSP: 002b:00007ffe79b96448 EFLAGS: 00000246 ORIG_RAX: 000000000000002c
[  289.023652][ T7727] RAX: ffffffffffffffda RBX: 00007ffe79b96578 RCX: 00007f659182a312
[  289.023653][ T7727] RDX: 0000000000000044 RSI: 00007f658f54b5f0 RDI: 0000000000000020
[  289.023654][ T7727] RBP: 00007ffe79b96470 R08: 00007ffe79b965f0 R09: 000000000000000c
[  289.023655][ T7727] R10: 0000000000000000 R11: 0000000000000246 R12: 00007f658f68e0b0
[  289.023656][ T7727] R13: 00007ffe79b96578 R14: 00007f659114901a R15: 00007ffe79b96968
| [  290.277132][ T7759] softirqs last disabled at (384634): inet6_fill_ifla6_attrs (net/ipv6/addrconf.c:5883)
| [  290.277134][ T7759] Preemption disabled at:
| [  290.277135][ T7759] vprintk_emit (kernel/printk/printk.c:2471)
| [  290.277143][ T7759] Tainted: [W]=WARN
[  290.277144][ T7759] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[  290.277146][ T7759] Call Trace:
[  290.277148][ T7759]  <TASK>
[  290.277150][ T7759]  dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120)
[  290.277155][ T7759]  ? vprintk_emit (kernel/printk/printk.c:2471)
[  290.277157][ T7759]  __might_resched.cold (kernel/sched/core.c:9234)
[  290.277162][ T7759]  ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3))
[  290.277166][ T7759]  ? __kmalloc_noprof (./include/linux/sched/mm.h:317 mm/slub.c:4636 mm/slub.c:4974 mm/slub.c:5413 mm/slub.c:5439)
[  290.277170][ T7759]  __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))
[  290.277172][ T7759]  ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[  290.277179][ T7759]  ? 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)
[  290.277181][ T7759]  alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[  290.277185][ T7759]  put_chars (drivers/char/virtio_console.c:1176)
[  290.277188][ T7759]  ? __send_to_port (drivers/char/virtio_console.c:654)
[  290.277191][ T7759]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380)
[  290.277194][ T7759]  ? validate_chain (kernel/locking/lockdep.c:3817 (discriminator 2) kernel/locking/lockdep.c:3837 (discriminator 2) kernel/locking/lockdep.c:3892 (discriminator 2))
[  290.277199][ T7759]  hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2))
[  290.277203][ T7759]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[  290.277204][ T7759]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[  290.277209][ T7759]  ? hvc_write (drivers/tty/hvc/hvc_console.c:501)
[  290.277213][ T7759]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  290.277215][ T7759]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  290.277219][ T7759]  console_emit_next_record (kernel/printk/printk.c:3183)
[  290.277224][ T7759]  ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20)
[  290.277225][ T7759]  ? 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))
[  290.277229][ T7759]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  290.277231][ T7759]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  290.277235][ T7759]  console_flush_one_record (kernel/printk/printk.c:3268)
[  290.277239][ T7759]  ? console_emit_next_record (kernel/printk/printk.c:3150)
[  290.277241][ T7759]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[  290.277247][ T7759]  console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420)
[  290.277250][ T7759]  ? console_flush_one_record (kernel/printk/printk.c:3316)
[  290.277252][ T7759]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  290.277253][ T7759]  ? 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)
[  290.277257][ T7759]  ? __down_trylock_console_sem (kernel/printk/printk.c:334)
[  290.277259][ T7759]  ? vprintk_emit (kernel/printk/printk.c:2478)
[  290.277262][ T7759]  vprintk_emit (kernel/printk/printk.c:2479)
[  290.277265][ T7759]  ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126))
[  290.277270][ T7759]  _printk (kernel/printk/printk.c:2504)
[  290.277274][ T7759]  ? snapshot_read.cold (user.c:?)
[  290.277277][ T7759]  ? lockdep_rtnl_is_held (./include/linux/lockdep.h:249 net/core/rtnetlink.c:182)
[  290.277280][ T7759]  ? netdev_upper_get_next_dev_rcu (net/core/dev.c:8213 (discriminator 5))
[  290.277284][ T7759]  ? __netdev_update_features (net/core/dev.c:11078 (discriminator 2))
[  290.277286][ T7759]  ? netdev_name (./include/linux/netdevice.h:5709 (discriminator 1))
[  290.277290][ T7759]  ? __netdev_printk (net/core/dev.c:13148 (discriminator 2))
[  290.277294][ T7759]  netdev_info (net/core/dev.c:13195 (discriminator 3))
[  290.277296][ T7759]  ? netdev_notice (net/core/dev.c:13194)
[  290.277298][ T7759]  ? ovs_netdev_link (net/openvswitch/vport-netdev.c:85) openvswitch
[  290.277308][ T7759]  ? 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)
[  290.277310][ T7759]  __dev_set_promiscuity.cold (net/core/dev.c:9672 (discriminator 3))
[  290.277314][ T7759]  netif_set_promiscuity (net/core/dev.c:9699)
[  290.277318][ T7759]  dev_set_promiscuity (net/core/dev_api.c:288)
[  290.277320][ T7759]  ? dev_disable_lro (net/core/dev_api.c:267)
[  290.277322][ T7759] ovs_netdev_link (net/openvswitch/vport-netdev.c:106) openvswitch
[  290.277328][ T7759] ovs_vport_add (net/openvswitch/vport.c:209) openvswitch
[  290.277333][ T7759] new_vport (net/openvswitch/datapath.c:203) openvswitch
[  290.277337][ T7759]  ? ovs_lookup_vport (./include/linux/lockdep.h:249 net/openvswitch/datapath.c:120 net/openvswitch/datapath.c:117 net/openvswitch/datapath.c:190) openvswitch
[  290.277342][ T7759] ovs_vport_cmd_new (net/openvswitch/datapath.c:2389) openvswitch
[  290.277348][ T7759]  ? ovs_vport_cmd_fill_info.isra.0 (./include/net/netlink.h:1107 (discriminator 1)) openvswitch
[  290.277352][ T7759]  ? __nla_validate_parse (lib/nlattr.c:635)
[  290.277358][ T7759]  ? __nla_parse (lib/nlattr.c:732)
[  290.277360][ T7759]  ? genl_family_rcv_msg_attrs_parse.isra.0 (./include/net/netlink.h:789 (discriminator 2) net/netlink/genetlink.c:944 (discriminator 2))
[  290.277365][ T7759]  genl_family_rcv_msg_doit (net/netlink/genetlink.c:1114)
[  290.277369][ T7759]  ? genl_family_rcv_msg_attrs_parse.isra.0 (./include/net/netlink.h:785 (discriminator 2))
[  290.277377][ T7759]  ? security_capable (security/security.c:660 (discriminator 11))
[  290.277382][ T7759]  genl_family_rcv_msg (net/netlink/genetlink.c:1194)
[  290.277386][ T7759]  ? genl_family_rcv_msg_dumpit (net/netlink/genetlink.c:1079)
[  290.277388][ T7759]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380)
[  290.277390][ T7759]  ? ovs_vport_cmd_fill_info.isra.0 (./include/net/netlink.h:1107 (discriminator 1)) openvswitch
[  290.277395][ T7759]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[  290.277401][ T7759]  genl_rcv_msg (net/netlink/genetlink.c:1209)
[  290.277404][ T7759]  netlink_rcv_skb (net/netlink/af_netlink.c:2556)
[  290.277406][ T7759]  ? genl_family_rcv_msg (net/netlink/genetlink.c:1136 (discriminator 2))
[  290.277410][ T7759]  ? netlink_ack (./include/linux/skbuff.h:2718)
[  290.277417][ T7759]  ? 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))
[  290.277419][ T7759]  ? 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))
[  290.277423][ T7759]  genl_rcv (net/netlink/genetlink.c:1218)
[  290.277426][ T7759]  netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[  290.277430][ T7759]  ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[  290.277433][ T7759]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[  290.277437][ T7759]  netlink_sendmsg (net/netlink/af_netlink.c:1900)
[  290.277441][ T7759]  ? netlink_unicast (./include/net/net_namespace.h:422 (discriminator 7))
[  290.277443][ T7759]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[  290.277446][ T7759]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554)
[  290.277451][ T7759]  __sock_sendmsg (net/socket.c:800 (discriminator 4) net/socket.c:815 (discriminator 4))
[  290.277454][ T7759]  ? fdget (fs/file.c:1200 fs/file.c:1208)
[  290.277458][ T7759]  __sys_sendto (net/socket.c:2281)
[  290.277461][ T7759]  ? __ia32_sys_getpeername (net/socket.c:2235)
[  290.277472][ T7759]  ? exc_page_fault (arch/x86/mm/fault.c:1483 arch/x86/mm/fault.c:1536)
[  290.277479][ T7759]  __x64_sys_sendto (net/socket.c:2288 net/socket.c:2284 net/socket.c:2284)
[  290.277481][ T7759]  ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22))
[  290.277485][ T7759]  ? lockdep_hardirqs_on (kernel/locking/lockdep.c:4488)
[  290.277486][ T7759]  ? do_syscall_64 (arch/x86/entry/syscall_64.c:81 (discriminator 44))
[  290.277489][ T7759]  do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84)
[  290.277491][ T7759]  ? exc_page_fault (arch/x86/mm/fault.c:1489 (discriminator 3) arch/x86/mm/fault.c:1536 (discriminator 3))
[  290.277493][ T7759]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[  290.277495][ T7759] RIP: 0033:0x7fa41bcca312
[  290.277499][ T7759] Code: 08 0f 85 71 41 ff ff 49 89 fb 48 89 f0 48 89 d7 48 89 ce 4c 89 c2 4d 89 ca 4c 8b 44 24 08 4c 8b 4c 24 10 4c 89 5c 24 08 0f 05 <c3> 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 00 f3 0f 1e fa 55 bf 01 00
All code
========
   0:	08 0f                	or     %cl,(%rdi)
   2:	85 71 41             	test   %esi,0x41(%rcx)
   5:	ff                   	(bad)
   6:	ff 49 89             	decl   -0x77(%rcx)
   9:	fb                   	sti
   a:	48 89 f0             	mov    %rsi,%rax
   d:	48 89 d7             	mov    %rdx,%rdi
  10:	48 89 ce             	mov    %rcx,%rsi
  13:	4c 89 c2             	mov    %r8,%rdx
  16:	4d 89 ca             	mov    %r9,%r10
  19:	4c 8b 44 24 08       	mov    0x8(%rsp),%r8
  1e:	4c 8b 4c 24 10       	mov    0x10(%rsp),%r9
  23:	4c 89 5c 24 08       	mov    %r11,0x8(%rsp)
  28:	0f 05                	syscall
  2a:*	c3                   	ret		<-- trapping instruction
  2b:	66 2e 0f 1f 84 00 00 	cs nopw 0x0(%rax,%rax,1)
  32:	00 00 00 
  35:	0f 1f 00             	nopl   (%rax)
  38:	f3 0f 1e fa          	endbr64
  3c:	55                   	push   %rbp
  3d:	bf                   	.byte 0xbf
  3e:	01 00                	add    %eax,(%rax)

Code starting with the faulting instruction
===========================================
   0:	c3                   	ret
   1:	66 2e 0f 1f 84 00 00 	cs nopw 0x0(%rax,%rax,1)
   8:	00 00 00 
   b:	0f 1f 00             	nopl   (%rax)
   e:	f3 0f 1e fa          	endbr64
  12:	55                   	push   %rbp
  13:	bf                   	.byte 0xbf
  14:	01 00                	add    %eax,(%rax)
[  290.277501][ T7759] RSP: 002b:00007ffcdbfa06c8 EFLAGS: 00000246 ORIG_RAX: 000000000000002c
[  290.277504][ T7759] RAX: ffffffffffffffda RBX: 00007ffcdbfa07f8 RCX: 00007fa41bcca312
[  290.277505][ T7759] RDX: 0000000000000038 RSI: 00007fa40970b1f0 RDI: 0000000000000023
[  290.277506][ T7759] RBP: 00007ffcdbfa06f0 R08: 00007ffcdbfa0870 R09: 000000000000000c
[  290.277507][ T7759] R10: 0000000000000000 R11: 0000000000000246 R12: 00007fa419b2e190
[  290.277508][ T7759] R13: 00007ffcdbfa07f8 R14: 00007fa41b5e901a R15: 00007ffcdbfa0be8
| [  291.385842][ T7786] softirqs last disabled at (393760): inet6_fill_ifla6_attrs (net/ipv6/addrconf.c:5883)
| [  291.385844][ T7786] Preemption disabled at:
| [  291.385845][ T7786] vprintk_emit (kernel/printk/printk.c:2471)
| [  291.385853][ T7786] Tainted: [W]=WARN
[  291.385854][ T7786] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[  291.385856][ T7786] Call Trace:
[  291.385858][ T7786]  <TASK>
[  291.385859][ T7786]  dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120)
[  291.385865][ T7786]  ? vprintk_emit (kernel/printk/printk.c:2471)
[  291.385867][ T7786]  __might_resched.cold (kernel/sched/core.c:9234)
[  291.385871][ T7786]  ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3))
[  291.385876][ T7786]  ? __kmalloc_noprof (./include/linux/sched/mm.h:317 mm/slub.c:4636 mm/slub.c:4974 mm/slub.c:5413 mm/slub.c:5439)
[  291.385880][ T7786]  __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))
[  291.385882][ T7786]  ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[  291.385889][ T7786]  ? 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)
[  291.385892][ T7786]  alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[  291.385896][ T7786]  put_chars (drivers/char/virtio_console.c:1176)
[  291.385901][ T7786]  ? __send_to_port (drivers/char/virtio_console.c:654)
[  291.385905][ T7786]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380)
[  291.385909][ T7786]  ? validate_chain (kernel/locking/lockdep.c:3817 (discriminator 2) kernel/locking/lockdep.c:3837 (discriminator 2) kernel/locking/lockdep.c:3892 (discriminator 2))
[  291.385914][ T7786]  hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2))
[  291.385919][ T7786]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[  291.385920][ T7786]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[  291.385926][ T7786]  ? hvc_write (drivers/tty/hvc/hvc_console.c:501)
[  291.385930][ T7786]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  291.385933][ T7786]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  291.385938][ T7786]  console_emit_next_record (kernel/printk/printk.c:3183)
[  291.385942][ T7786]  ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20)
[  291.385944][ T7786]  ? 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))
[  291.385948][ T7786]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  291.385950][ T7786]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  291.385955][ T7786]  console_flush_one_record (kernel/printk/printk.c:3268)
[  291.385960][ T7786]  ? console_emit_next_record (kernel/printk/printk.c:3150)
[  291.385962][ T7786]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[  291.385968][ T7786]  console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420)
[  291.385972][ T7786]  ? console_flush_one_record (kernel/printk/printk.c:3316)
[  291.385974][ T7786]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  291.385976][ T7786]  ? 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)
[  291.385981][ T7786]  ? __down_trylock_console_sem (kernel/printk/printk.c:334)
[  291.385983][ T7786]  ? vprintk_emit (kernel/printk/printk.c:2478)
[  291.385986][ T7786]  vprintk_emit (kernel/printk/printk.c:2479)
[  291.385990][ T7786]  ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126))
[  291.385996][ T7786]  _printk (kernel/printk/printk.c:2504)
[  291.386000][ T7786]  ? snapshot_read.cold (user.c:?)
[  291.386003][ T7786]  ? lockdep_rtnl_is_held (./include/linux/lockdep.h:249 net/core/rtnetlink.c:182)
[  291.386006][ T7786]  ? netdev_upper_get_next_dev_rcu (net/core/dev.c:8213 (discriminator 5))
[  291.386010][ T7786]  ? 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)
[  291.386012][ T7786]  ? __netdev_update_features (net/core/dev.c:11078 (discriminator 2))
[  291.386014][ T7786]  ? netdev_name (./include/linux/netdevice.h:5709 (discriminator 1))
[  291.386018][ T7786]  ? __netdev_printk (net/core/dev.c:13148 (discriminator 2))
[  291.386023][ T7786]  netdev_info (net/core/dev.c:13195 (discriminator 3))
[  291.386026][ T7786]  ? netdev_notice (net/core/dev.c:13194)
[  291.386028][ T7786]  ? ovs_netdev_link (net/openvswitch/vport-netdev.c:85) openvswitch
[  291.386039][ T7786]  ? 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)
[  291.386042][ T7786]  __dev_set_promiscuity.cold (net/core/dev.c:9672 (discriminator 3))
[  291.386046][ T7786]  netif_set_promiscuity (net/core/dev.c:9699)
[  291.386050][ T7786]  dev_set_promiscuity (net/core/dev_api.c:288)
[  291.386052][ T7786]  ? dev_disable_lro (net/core/dev_api.c:267)
[  291.386054][ T7786] ovs_netdev_link (net/openvswitch/vport-netdev.c:106) openvswitch
[  291.386061][ T7786] ovs_vport_add (net/openvswitch/vport.c:209) openvswitch
[  291.386067][ T7786] new_vport (net/openvswitch/datapath.c:203) openvswitch
[  291.386072][ T7786]  ? ovs_lookup_vport (./include/linux/lockdep.h:249 net/openvswitch/datapath.c:120 net/openvswitch/datapath.c:117 net/openvswitch/datapath.c:190) openvswitch
[  291.386077][ T7786] ovs_vport_cmd_new (net/openvswitch/datapath.c:2389) openvswitch
[  291.386084][ T7786]  ? ovs_vport_cmd_fill_info.isra.0 (./include/net/netlink.h:1107 (discriminator 1)) openvswitch
[  291.386088][ T7786]  ? __nla_validate_parse (lib/nlattr.c:635)
[  291.386095][ T7786]  ? __nla_parse (lib/nlattr.c:732)
[  291.386097][ T7786]  ? genl_family_rcv_msg_attrs_parse.isra.0 (./include/net/netlink.h:789 (discriminator 2) net/netlink/genetlink.c:944 (discriminator 2))
[  291.386103][ T7786]  genl_family_rcv_msg_doit (net/netlink/genetlink.c:1114)
[  291.386107][ T7786]  ? genl_family_rcv_msg_attrs_parse.isra.0 (./include/net/netlink.h:785 (discriminator 2))
[  291.386122][ T7786]  ? security_capable (security/security.c:660 (discriminator 11))
[  291.386127][ T7786]  genl_family_rcv_msg (net/netlink/genetlink.c:1194)
[  291.386131][ T7786]  ? genl_family_rcv_msg_dumpit (net/netlink/genetlink.c:1079)
[  291.386134][ T7786]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380)
[  291.386136][ T7786]  ? ovs_vport_cmd_fill_info.isra.0 (./include/net/netlink.h:1107 (discriminator 1)) openvswitch
[  291.386140][ T7786]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[  291.386146][ T7786]  genl_rcv_msg (net/netlink/genetlink.c:1209)
[  291.386150][ T7786]  netlink_rcv_skb (net/netlink/af_netlink.c:2556)
[  291.386152][ T7786]  ? genl_family_rcv_msg (net/netlink/genetlink.c:1136 (discriminator 2))
[  291.386156][ T7786]  ? netlink_ack (./include/linux/skbuff.h:2718)
[  291.386163][ T7786]  ? 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))
[  291.386165][ T7786]  ? 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))
[  291.386169][ T7786]  genl_rcv (net/netlink/genetlink.c:1218)
[  291.386171][ T7786]  netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[  291.386176][ T7786]  ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[  291.386178][ T7786]  ? _raw_spin_unlock_irqrestore (./include/linux/spinlock_api_smp.h:210 (discriminator 6) kernel/locking/spinlock.c:221 (discriminator 6))
[  291.386183][ T7786]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[  291.386187][ T7786]  netlink_sendmsg (net/netlink/af_netlink.c:1900)
[  291.386191][ T7786]  ? netlink_unicast (./include/net/net_namespace.h:422 (discriminator 7))
[  291.386193][ T7786]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[  291.386196][ T7786]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554)
[  291.386201][ T7786]  __sock_sendmsg (net/socket.c:800 (discriminator 4) net/socket.c:815 (discriminator 4))
[  291.386204][ T7786]  ? fdget (fs/file.c:1200 fs/file.c:1208)
[  291.386208][ T7786]  __sys_sendto (net/socket.c:2281)
[  291.386211][ T7786]  ? __ia32_sys_getpeername (net/socket.c:2235)
[  291.386217][ T7786]  ? do_futex (kernel/futex/syscalls.c:138)
[  291.386220][ T7786]  ? __ia32_sys_get_robust_list (kernel/futex/syscalls.c:94)
[  291.386227][ T7786]  ? xfd_validate_state (arch/x86/kernel/fpu/xstate.c:1497 (discriminator 1) arch/x86/kernel/fpu/xstate.c:1543 (discriminator 1))
[  291.386234][ T7786]  __x64_sys_sendto (net/socket.c:2288 net/socket.c:2284 net/socket.c:2284)
[  291.386236][ T7786]  ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22))
[  291.386240][ T7786]  ? lockdep_hardirqs_on (kernel/locking/lockdep.c:4488)
[  291.386242][ T7786]  ? do_syscall_64 (arch/x86/entry/syscall_64.c:81 (discriminator 44))
[  291.386245][ T7786]  do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84)
[  291.386247][ T7786]  ? irq_exit_rcu (kernel/softirq.c:786)
[  291.386251][ T7786]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[  291.386253][ T7786] RIP: 0033:0x7ffab0cbb312
[  291.386257][ T7786] Code: 08 0f 85 71 41 ff ff 49 89 fb 48 89 f0 48 89 d7 48 89 ce 4c 89 c2 4d 89 ca 4c 8b 44 24 08 4c 8b 4c 24 10 4c 89 5c 24 08 0f 05 <c3> 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 00 f3 0f 1e fa 55 bf 01 00
All code
========
   0:	08 0f                	or     %cl,(%rdi)
   2:	85 71 41             	test   %esi,0x41(%rcx)
   5:	ff                   	(bad)
   6:	ff 49 89             	decl   -0x77(%rcx)
   9:	fb                   	sti
   a:	48 89 f0             	mov    %rsi,%rax
   d:	48 89 d7             	mov    %rdx,%rdi
  10:	48 89 ce             	mov    %rcx,%rsi
  13:	4c 89 c2             	mov    %r8,%rdx
  16:	4d 89 ca             	mov    %r9,%r10
  19:	4c 8b 44 24 08       	mov    0x8(%rsp),%r8
  1e:	4c 8b 4c 24 10       	mov    0x10(%rsp),%r9
  23:	4c 89 5c 24 08       	mov    %r11,0x8(%rsp)
  28:	0f 05                	syscall
  2a:*	c3                   	ret		<-- trapping instruction
  2b:	66 2e 0f 1f 84 00 00 	cs nopw 0x0(%rax,%rax,1)
  32:	00 00 00 
  35:	0f 1f 00             	nopl   (%rax)
  38:	f3 0f 1e fa          	endbr64
  3c:	55                   	push   %rbp
  3d:	bf                   	.byte 0xbf
  3e:	01 00                	add    %eax,(%rax)

Code starting with the faulting instruction
===========================================
   0:	c3                   	ret
   1:	66 2e 0f 1f 84 00 00 	cs nopw 0x0(%rax,%rax,1)
   8:	00 00 00 
   b:	0f 1f 00             	nopl   (%rax)
   e:	f3 0f 1e fa          	endbr64
  12:	55                   	push   %rbp
  13:	bf                   	.byte 0xbf
  14:	01 00                	add    %eax,(%rax)
[  291.386259][ T7786] RSP: 002b:00007ffc4281d318 EFLAGS: 00000246 ORIG_RAX: 000000000000002c
[  291.386262][ T7786] RAX: ffffffffffffffda RBX: 00007ffc4281d448 RCX: 00007ffab0cbb312
[  291.386263][ T7786] RDX: 0000000000000034 RSI: 00007ffa9675a0f0 RDI: 0000000000000023
[  291.386264][ T7786] RBP: 00007ffc4281d340 R08: 00007ffc4281d4c0 R09: 000000000000000c
[  291.386265][ T7786] R10: 0000000000000000 R11: 0000000000000246 R12: 00007ffaaeb1e190
[  291.386266][ T7786] R13: 00007ffc4281d448 R14: 00007ffab05da01a R15: 00007ffc4281d838
| [  300.986293][   T12] softirqs last disabled at (8124144): __neigh_ifdown.isra.0 (./include/linux/spinlock.h:353 net/core/neighbour.c:464)
| [  300.986296][   T12] Preemption disabled at:
| [  300.986296][   T12] vprintk_emit (kernel/printk/printk.c:2471)
| [  300.986305][   T12] Tainted: [W]=WARN
[  300.986306][   T12] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[  300.986308][   T12] Workqueue: netns cleanup_net
[  300.986312][   T12] Call Trace:
[  300.986313][   T12]  <TASK>
[  300.986316][   T12]  dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120)
[  300.986322][   T12]  ? vprintk_emit (kernel/printk/printk.c:2471)
[  300.986323][   T12]  __might_resched.cold (kernel/sched/core.c:9234)
[  300.986328][   T12]  ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3))
[  300.986332][   T12]  ? __kmalloc_noprof (./include/linux/sched/mm.h:317 mm/slub.c:4636 mm/slub.c:4974 mm/slub.c:5413 mm/slub.c:5439)
[  300.986337][   T12]  __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))
[  300.986339][   T12]  ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[  300.986346][   T12]  ? 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)
[  300.986349][   T12]  alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[  300.986353][   T12]  put_chars (drivers/char/virtio_console.c:1176)
[  300.986355][   T12]  ? prb_final_commit (kernel/printk/printk_ringbuffer.c:1842)
[  300.986357][   T12]  ? __send_to_port (drivers/char/virtio_console.c:654)
[  300.986360][   T12]  ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4116 (discriminator 3) kernel/rcu/tree.c:4108 (discriminator 3))
[  300.986363][   T12]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380)
[  300.986366][   T12]  ? validate_chain (kernel/locking/lockdep.c:3817 (discriminator 2) kernel/locking/lockdep.c:3837 (discriminator 2) kernel/locking/lockdep.c:3892 (discriminator 2))
[  300.986371][   T12]  hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2))
[  300.986375][   T12]  ? mark_usage (kernel/locking/lockdep.c:4690)
[  300.986377][   T12]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[  300.986379][   T12]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[  300.986384][   T12]  ? hvc_write (drivers/tty/hvc/hvc_console.c:501)
[  300.986386][   T12]  ? console_emit_next_record (kernel/printk/printk.c:3095 (discriminator 2) kernel/printk/printk.c:3182 (discriminator 2))
[  300.986390][   T12]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  300.986392][   T12]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  300.986396][   T12]  console_emit_next_record (kernel/printk/printk.c:3183)
[  300.986401][   T12]  ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20)
[  300.986403][   T12]  ? 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))
[  300.986406][   T12]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  300.986408][   T12]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  300.986412][   T12]  console_flush_one_record (kernel/printk/printk.c:3268)
[  300.986417][   T12]  ? console_emit_next_record (kernel/printk/printk.c:3150)
[  300.986419][   T12]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[  300.986424][   T12]  console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420)
[  300.986428][   T12]  ? console_flush_one_record (kernel/printk/printk.c:3316)
[  300.986430][   T12]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  300.986431][   T12]  ? 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)
[  300.986435][   T12]  ? __down_trylock_console_sem (kernel/printk/printk.c:334)
[  300.986438][   T12]  ? vprintk_emit (kernel/printk/printk.c:2478)
[  300.986440][   T12]  vprintk_emit (kernel/printk/printk.c:2479)
[  300.986444][   T12]  ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126))
[  300.986447][   T12]  ? net_disable_timestamp (./include/linux/workqueue.h:761)
[  300.986449][   T12]  ? net_generic (./include/linux/rcupdate.h:882 ./include/net/netns/generic.h:48) vxlan
[  300.986458][   T12]  _printk (kernel/printk/printk.c:2504)
[  300.986462][   T12]  ? snapshot_read.cold (user.c:?)
[  300.986467][   T12]  ? netdev_name (./include/linux/netdevice.h:5709 (discriminator 1))
[  300.986471][   T12]  ? __netdev_printk (net/core/dev.c:13148 (discriminator 2))
[  300.986475][   T12]  netdev_info (net/core/dev.c:13195 (discriminator 3))
[  300.986478][   T12]  ? netdev_notice (net/core/dev.c:13194)
[  300.986480][   T12]  ? __netdev_upper_dev_unlink (net/core/dev.c:9094)
[  300.986484][   T12]  ? synchronize_rcu_expedited (kernel/rcu/tree_exp.h:985)
[  300.986490][   T12]  ? 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)
[  300.986493][   T12]  __dev_set_promiscuity.cold (net/core/dev.c:9672 (discriminator 3))
[  300.986497][   T12]  netif_set_promiscuity (net/core/dev.c:9699)
[  300.986500][   T12]  dev_set_promiscuity (net/core/dev_api.c:288)
[  300.986502][   T12]  ? rtnl_is_locked (net/core/rtnetlink.c:169)
[  300.986506][   T12] ovs_netdev_detach_dev (net/openvswitch/vport-netdev.c:174) openvswitch
[  300.986513][   T12] dp_device_event (net/openvswitch/dp_notify.c:74) openvswitch
[  300.986518][   T12]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  300.986521][   T12]  notifier_call_chain (kernel/notifier.c:85)
[  300.986527][   T12]  unregister_netdevice_many_notify (net/core/dev.c:2313 net/core/dev.c:2327 net/core/dev.c:12518)
[  300.986532][   T12]  ? unregister_netdevice_queued (./include/linux/list.h:419 (discriminator 3))
[  300.986540][   T12]  default_device_exit_batch (net/core/dev.c:12589 net/core/dev.c:13288)
[  300.986544][   T12]  ? unregister_netdevice_queue (./include/linux/list.h:173)
[  300.986546][   T12]  ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3))
[  300.986549][   T12]  ? fou_exit_net (net/ipv4/fou_core.c:1228)
[  300.986554][   T12]  ops_undo_list (net/core/net_namespace.c:206 net/core/net_namespace.c:253)
[  300.986558][   T12]  ? lockdep_hardirqs_on (kernel/locking/lockdep.c:4488)
[  300.986562][   T12]  ? netns_install (./include/linux/ns_common.h:26)
[  300.986563][   T12]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554)
[  300.986567][   T12]  ? idr_destroy (lib/radix-tree.c:310 lib/radix-tree.c:674 lib/radix-tree.c:1563)
[  300.986572][   T12]  cleanup_net (net/core/net_namespace.c:706)
[  300.986575][   T12]  ? net_passive_dec (./include/linux/llist.h:241)
[  300.986579][   T12]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  300.986581][   T12]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  300.986585][   T12]  process_one_work (kernel/workqueue.c:3387)
[  300.986592][   T12]  ? __queue_delayed_work (kernel/workqueue.c:2622)
[  300.986595][   T12]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2))
[  300.986603][   T12]  worker_thread (kernel/workqueue.c:3470 kernel/workqueue.c:3551)
[  300.986611][   T12]  ? rescuer_thread (./include/linux/list.h:419 (discriminator 3))
[  300.986613][   T12]  kthread (kernel/kthread.c:436)
[  300.986615][   T12]  ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22))
[  300.986619][   T12]  ? kthread_affine_preferred (kernel/kthread.c:857)
[  300.986622][   T12]  ret_from_fork (arch/x86/kernel/process.c:158)
[  300.986626][   T12]  ? arch_exit_to_user_mode_prepare.isra.0 (arch/x86/entry/vdso/vma.c:80 (discriminator 1))
[  300.986630][   T12]  ? __switch_to (arch/x86/kernel/process_64.c:403 arch/x86/kernel/process_64.c:663)
[  300.986636][   T12]  ? kthread_affine_preferred (kernel/kthread.c:857)
[  300.986639][   T12]  ret_from_fork_asm (arch/x86/entry/entry_64.S:245)
| [  302.058092][ T7987] softirqs last disabled at (397356): inet6_fill_ifla6_attrs (net/ipv6/addrconf.c:5883)
| [  302.058094][ T7987] Preemption disabled at:
| [  302.058095][ T7987] vprintk_emit (kernel/printk/printk.c:2471)
| [  302.058104][ T7987] Tainted: [W]=WARN
[  302.058105][ T7987] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[  302.058107][ T7987] Call Trace:
[  302.058109][ T7987]  <TASK>
[  302.058110][ T7987]  dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120)
[  302.058117][ T7987]  ? vprintk_emit (kernel/printk/printk.c:2471)
[  302.058119][ T7987]  __might_resched.cold (kernel/sched/core.c:9234)
[  302.058123][ T7987]  ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3))
[  302.058128][ T7987]  ? __kmalloc_noprof (./include/linux/sched/mm.h:317 mm/slub.c:4636 mm/slub.c:4974 mm/slub.c:5413 mm/slub.c:5439)
[  302.058133][ T7987]  __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))
[  302.058135][ T7987]  ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[  302.058142][ T7987]  ? 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)
[  302.058145][ T7987]  alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[  302.058149][ T7987]  put_chars (drivers/char/virtio_console.c:1176)
[  302.058152][ T7987]  ? __send_to_port (drivers/char/virtio_console.c:654)
[  302.058153][ T7987]  ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4116 (discriminator 3) kernel/rcu/tree.c:4108 (discriminator 3))
[  302.058157][ T7987]  ? validate_chain (kernel/locking/lockdep.c:3817 (discriminator 2) kernel/locking/lockdep.c:3837 (discriminator 2) kernel/locking/lockdep.c:3892 (discriminator 2))
[  302.058162][ T7987]  hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2))
[  302.058171][ T7987]  ? hvc_write (drivers/tty/hvc/hvc_console.c:501)
[  302.058174][ T7987]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  302.058176][ T7987]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  302.058187][ T7987]  console_emit_next_record (kernel/printk/printk.c:3183)
[  302.058191][ T7987]  ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20)
[  302.058193][ T7987]  ? 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))
[  302.058197][ T7987]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  302.058199][ T7987]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  302.058203][ T7987]  console_flush_one_record (kernel/printk/printk.c:3268)
[  302.058208][ T7987]  ? console_emit_next_record (kernel/printk/printk.c:3150)
[  302.058210][ T7987]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[  302.058217][ T7987]  console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420)
[  302.058220][ T7987]  ? console_flush_one_record (kernel/printk/printk.c:3316)
[  302.058222][ T7987]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  302.058224][ T7987]  ? 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)
[  302.058228][ T7987]  ? __down_trylock_console_sem (kernel/printk/printk.c:334)
[  302.058229][ T7987]  ? vprintk_emit (kernel/printk/printk.c:2478)
[  302.058232][ T7987]  vprintk_emit (kernel/printk/printk.c:2479)
[  302.058236][ T7987]  ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126))
[  302.058239][ T7987]  ? net_disable_timestamp (./include/linux/workqueue.h:761)
[  302.058242][ T7987]  ? net_generic (./include/linux/rcupdate.h:882 ./include/net/netns/generic.h:48) vxlan
[  302.058250][ T7987]  _printk (kernel/printk/printk.c:2504)
[  302.058254][ T7987]  ? snapshot_read.cold (user.c:?)
[  302.058259][ T7987]  ? netdev_name (./include/linux/netdevice.h:5709 (discriminator 1))
[  302.058263][ T7987]  ? __netdev_printk (net/core/dev.c:13148 (discriminator 2))
[  302.058267][ T7987]  netdev_info (net/core/dev.c:13195 (discriminator 3))
[  302.058270][ T7987]  ? netdev_notice (net/core/dev.c:13194)
[  302.058272][ T7987]  ? __netdev_upper_dev_unlink (net/core/dev.c:9094)
[  302.058276][ T7987]  ? synchronize_rcu_expedited (kernel/rcu/tree_exp.h:985)
[  302.058282][ T7987]  ? 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)
[  302.058285][ T7987]  __dev_set_promiscuity.cold (net/core/dev.c:9672 (discriminator 3))
[  302.058290][ T7987]  netif_set_promiscuity (net/core/dev.c:9699)
[  302.058294][ T7987]  dev_set_promiscuity (net/core/dev_api.c:288)
[  302.058296][ T7987]  ? rtnl_is_locked (net/core/rtnetlink.c:169)
[  302.058300][ T7987] ovs_netdev_detach_dev (net/openvswitch/vport-netdev.c:174) openvswitch
[  302.058304][ T7987]  ? netdev_destroy (net/openvswitch/vport-netdev.c:189) openvswitch
[  302.058309][ T7987] netdev_destroy (net/openvswitch/vport-netdev.c:194) openvswitch
[  302.058315][ T7987] ovs_vport_cmd_del (net/openvswitch/datapath.c:2505) openvswitch
[  302.058323][ T7987]  genl_family_rcv_msg_doit (net/netlink/genetlink.c:1114)
[  302.058326][ T7987]  ? genl_family_rcv_msg_attrs_parse.isra.0 (./include/net/netlink.h:785 (discriminator 2))
[  302.058336][ T7987]  ? security_capable (security/security.c:660 (discriminator 11))
[  302.058340][ T7987]  genl_family_rcv_msg (net/netlink/genetlink.c:1194)
[  302.058344][ T7987]  ? genl_family_rcv_msg_dumpit (net/netlink/genetlink.c:1079)
[  302.058347][ T7987]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380)
[  302.058350][ T7987]  ? ovs_dp_detach_port (./include/linux/list.h:1047 (discriminator 2)) openvswitch
[  302.058354][ T7987]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[  302.058360][ T7987]  genl_rcv_msg (net/netlink/genetlink.c:1209)
[  302.058364][ T7987]  netlink_rcv_skb (net/netlink/af_netlink.c:2556)
[  302.058366][ T7987]  ? genl_family_rcv_msg (net/netlink/genetlink.c:1136 (discriminator 2))
[  302.058370][ T7987]  ? netlink_ack (./include/linux/skbuff.h:2718)
[  302.058378][ T7987]  ? 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))
[  302.058380][ T7987]  ? 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))
[  302.058384][ T7987]  genl_rcv (net/netlink/genetlink.c:1218)
[  302.058386][ T7987]  netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[  302.058391][ T7987]  ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[  302.058394][ T7987]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[  302.058398][ T7987]  netlink_sendmsg (net/netlink/af_netlink.c:1900)
[  302.058403][ T7987]  ? netlink_unicast (./include/net/net_namespace.h:422 (discriminator 7))
[  302.058404][ T7987]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[  302.058408][ T7987]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554)
[  302.058413][ T7987]  __sock_sendmsg (net/socket.c:800 (discriminator 4) net/socket.c:815 (discriminator 4))
[  302.058416][ T7987]  ? fdget (fs/file.c:1200 fs/file.c:1208)
[  302.058420][ T7987]  __sys_sendto (net/socket.c:2281)
[  302.058423][ T7987]  ? __ia32_sys_getpeername (net/socket.c:2235)
[  302.058435][ T7987]  ? exc_page_fault (arch/x86/mm/fault.c:1483 arch/x86/mm/fault.c:1536)
[  302.058441][ T7987]  __x64_sys_sendto (net/socket.c:2288 net/socket.c:2284 net/socket.c:2284)
[  302.058443][ T7987]  ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22))
[  302.058448][ T7987]  ? lockdep_hardirqs_on (kernel/locking/lockdep.c:4488)
[  302.058449][ T7987]  ? do_syscall_64 (arch/x86/entry/syscall_64.c:81 (discriminator 44))
[  302.058452][ T7987]  do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84)
[  302.058454][ T7987]  ? exc_page_fault (arch/x86/mm/fault.c:1489 (discriminator 3) arch/x86/mm/fault.c:1536 (discriminator 3))
[  302.058457][ T7987]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[  302.058459][ T7987] RIP: 0033:0x7f9cc4465312
[  302.058463][ T7987] Code: 08 0f 85 71 41 ff ff 49 89 fb 48 89 f0 48 89 d7 48 89 ce 4c 89 c2 4d 89 ca 4c 8b 44 24 08 4c 8b 4c 24 10 4c 89 5c 24 08 0f 05 <c3> 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 00 f3 0f 1e fa 55 bf 01 00
All code
========
   0:	08 0f                	or     %cl,(%rdi)
   2:	85 71 41             	test   %esi,0x41(%rcx)
   5:	ff                   	(bad)
   6:	ff 49 89             	decl   -0x77(%rcx)
   9:	fb                   	sti
   a:	48 89 f0             	mov    %rsi,%rax
   d:	48 89 d7             	mov    %rdx,%rdi
  10:	48 89 ce             	mov    %rcx,%rsi
  13:	4c 89 c2             	mov    %r8,%rdx
  16:	4d 89 ca             	mov    %r9,%r10
  19:	4c 8b 44 24 08       	mov    0x8(%rsp),%r8
  1e:	4c 8b 4c 24 10       	mov    0x10(%rsp),%r9
  23:	4c 89 5c 24 08       	mov    %r11,0x8(%rsp)
  28:	0f 05                	syscall
  2a:*	c3                   	ret		<-- trapping instruction
  2b:	66 2e 0f 1f 84 00 00 	cs nopw 0x0(%rax,%rax,1)
  32:	00 00 00 
  35:	0f 1f 00             	nopl   (%rax)
  38:	f3 0f 1e fa          	endbr64
  3c:	55                   	push   %rbp
  3d:	bf                   	.byte 0xbf
  3e:	01 00                	add    %eax,(%rax)

Code starting with the faulting instruction
===========================================
   0:	c3                   	ret
   1:	66 2e 0f 1f 84 00 00 	cs nopw 0x0(%rax,%rax,1)
   8:	00 00 00 
   b:	0f 1f 00             	nopl   (%rax)
   e:	f3 0f 1e fa          	endbr64
  12:	55                   	push   %rbp
  13:	bf                   	.byte 0xbf
  14:	01 00                	add    %eax,(%rax)
[  302.058465][ T7987] RSP: 002b:00007fff88aaf238 EFLAGS: 00000246 ORIG_RAX: 000000000000002c
[  302.058468][ T7987] RAX: ffffffffffffffda RBX: 00007fff88aaf368 RCX: 00007f9cc4465312
[  302.058469][ T7987] RDX: 0000000000000024 RSI: 00007f9cb3fe4d20 RDI: 0000000000000023
[  302.058470][ T7987] RBP: 00007fff88aaf260 R08: 00007fff88aaf3e0 R09: 000000000000000c
[  302.058471][ T7987] R10: 0000000000000000 R11: 0000000000000246 R12: 00007f9cc22bdfd0
[  302.058472][ T7987] R13: 00007fff88aaf368 R14: 00007f9cc3d8401a R15: 00007fff88aaf758
| [  303.743289][ T8013] softirqs last disabled at (376584): __alloc_skb (./include/linux/bottom_half.h:20 (discriminator 2) net/core/skbuff.c:697 (discriminator 2))
| [  303.743292][ T8013] Preemption disabled at:
| [  303.743292][ T8013] vprintk_emit (kernel/printk/printk.c:2471)
| [  303.743301][ T8013] Tainted: [W]=WARN
[  303.743302][ T8013] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[  303.743304][ T8013] Call Trace:
[  303.743305][ T8013]  <TASK>
[  303.743307][ T8013]  dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120)
[  303.743313][ T8013]  ? vprintk_emit (kernel/printk/printk.c:2471)
[  303.743315][ T8013]  __might_resched.cold (kernel/sched/core.c:9234)
[  303.743320][ T8013]  ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3))
[  303.743324][ T8013]  ? __kmalloc_noprof (./include/linux/sched/mm.h:317 mm/slub.c:4636 mm/slub.c:4974 mm/slub.c:5413 mm/slub.c:5439)
[  303.743328][ T8013]  __kmalloc_noprof (./include/linux/sched/mm.h:322 (discriminator 2) mm/slub.c:4636 (discriminator 2) mm/slub.c:4974 (discriminator 2) mm/slub.c:5413 (discriminator 2) mm/slub.c:5439 (discriminator 2))
[  303.743331][ T8013]  ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[  303.743337][ T8013]  ? do_raw_spin_unlock (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:32 ./include/asm-generic/qspinlock.h:58 kernel/locking/spinlock_debug.c:101 kernel/locking/spinlock_debug.c:141)
[  303.743340][ T8013]  alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[  303.743344][ T8013]  put_chars (drivers/char/virtio_console.c:1176)
[  303.743347][ T8013]  ? __send_to_port (drivers/char/virtio_console.c:654)
[  303.743348][ T8013]  ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4116 (discriminator 3) kernel/rcu/tree.c:4108 (discriminator 3))
[  303.743352][ T8013]  ? validate_chain (kernel/locking/lockdep.c:3817 (discriminator 2) kernel/locking/lockdep.c:3837 (discriminator 2) kernel/locking/lockdep.c:3892 (discriminator 2))
[  303.743358][ T8013]  hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2))
[  303.743366][ T8013]  ? hvc_write (drivers/tty/hvc/hvc_console.c:501)
[  303.743369][ T8013]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  303.743371][ T8013]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  303.743375][ T8013]  console_emit_next_record (kernel/printk/printk.c:3183)
[  303.743379][ T8013]  ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20)
[  303.743381][ T8013]  ? console_flush_one_record (./include/linux/rcupdate.h:314 (discriminator 2) ./include/linux/srcu.h:439 (discriminator 2) kernel/printk/printk.c:291 (discriminator 2) kernel/printk/printk.c:3246 (discriminator 2))
[  303.743385][ T8013]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  303.743387][ T8013]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  303.743391][ T8013]  console_flush_one_record (kernel/printk/printk.c:3268)
[  303.743395][ T8013]  ? console_emit_next_record (kernel/printk/printk.c:3150)
[  303.743397][ T8013]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[  303.743403][ T8013]  console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420)
[  303.743406][ T8013]  ? console_flush_one_record (kernel/printk/printk.c:3316)
[  303.743408][ T8013]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  303.743410][ T8013]  ? lock_acquire (./include/linux/srcutree.h:374 ./include/linux/srcu.h:541 ./include/linux/srcu.h:645 ./include/trace/events/lock.h:23 ./include/trace/events/lock.h:23 kernel/locking/lockdep.c:5871)
[  303.743414][ T8013]  ? __down_trylock_console_sem (kernel/printk/printk.c:334)
[  303.743416][ T8013]  ? vprintk_emit (kernel/printk/printk.c:2478)
[  303.743418][ T8013]  vprintk_emit (kernel/printk/printk.c:2479)
[  303.743422][ T8013]  ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126))
[  303.743424][ T8013]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380)
[  303.743426][ T8013]  ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4116 (discriminator 3) kernel/rcu/tree.c:4108 (discriminator 3))
[  303.743431][ T8013]  _printk (kernel/printk/printk.c:2504)
[  303.743435][ T8013]  ? snapshot_read.cold (user.c:?)
[  303.743439][ T8013]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  303.743440][ T8013]  ? netdev_name (./include/linux/netdevice.h:5709 (discriminator 1))
[  303.743444][ T8013]  ? __netdev_printk (net/core/dev.c:13148 (discriminator 2))
[  303.743448][ T8013]  netdev_info (net/core/dev.c:13195 (discriminator 3))
[  303.743451][ T8013]  ? netdev_notice (net/core/dev.c:13194)
[  303.743453][ T8013]  ? internal_dev_destroy (net/openvswitch/vport-internal_dev.c:178) openvswitch
[  303.743459][ T8013]  ? ww_mutex_lock (kernel/locking/mutex.c:934)
[  303.743465][ T8013]  ? 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)
[  303.743467][ T8013]  __dev_set_promiscuity.cold (net/core/dev.c:9672 (discriminator 3))
[  303.743471][ T8013]  netif_set_promiscuity (net/core/dev.c:9699)
[  303.743476][ T8013]  dev_set_promiscuity (net/core/dev_api.c:288)
[  303.743479][ T8013] internal_dev_destroy (net/openvswitch/vport-internal_dev.c:179) openvswitch
[  303.743485][ T8013] __dp_destroy (net/openvswitch/datapath.c:1969 (discriminator 1)) openvswitch
[  303.743492][ T8013] ovs_dp_cmd_del (net/openvswitch/datapath.c:2003) openvswitch
[  303.743497][ T8013]  genl_family_rcv_msg_doit (net/netlink/genetlink.c:1114)
[  303.743501][ T8013]  ? genl_family_rcv_msg_attrs_parse.isra.0 (./include/net/netlink.h:785 (discriminator 2))
[  303.743510][ T8013]  ? security_capable (security/security.c:660 (discriminator 11))
[  303.743514][ T8013]  genl_family_rcv_msg (net/netlink/genetlink.c:1194)
[  303.743518][ T8013]  ? genl_family_rcv_msg_dumpit (net/netlink/genetlink.c:1079)
[  303.743521][ T8013]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380)
[  303.743523][ T8013]  ? __dp_destroy (./include/linux/list.h:242 (discriminator 2) ./include/linux/list.h:264 (discriminator 2) ./include/linux/rculist.h:178 (discriminator 2) net/openvswitch/datapath.c:1964 (discriminator 2)) openvswitch
[  303.743527][ T8013]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[  303.743533][ T8013]  genl_rcv_msg (net/netlink/genetlink.c:1209)
[  303.743537][ T8013]  netlink_rcv_skb (net/netlink/af_netlink.c:2556)
[  303.743539][ T8013]  ? genl_family_rcv_msg (net/netlink/genetlink.c:1136 (discriminator 2))
[  303.743543][ T8013]  ? netlink_ack (./include/linux/skbuff.h:2718)
[  303.743550][ T8013]  ? netlink_deliver_tap (./include/linux/rcupdate.h:319 (discriminator 2) ./include/linux/rcupdate.h:880 (discriminator 2) ./include/net/netns/generic.h:48 (discriminator 2) net/netlink/af_netlink.c:334 (discriminator 2))
[  303.743552][ T8013]  ? netlink_deliver_tap (./include/linux/rcupdate.h:319 (discriminator 2) ./include/linux/rcupdate.h:880 (discriminator 2) net/netlink/af_netlink.c:341 (discriminator 2))
[  303.743556][ T8013]  genl_rcv (net/netlink/genetlink.c:1218)
[  303.743559][ T8013]  netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[  303.743563][ T8013]  ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[  303.743567][ T8013]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[  303.743570][ T8013]  netlink_sendmsg (net/netlink/af_netlink.c:1900)
[  303.743575][ T8013]  ? netlink_unicast (./include/net/net_namespace.h:422 (discriminator 7))
[  303.743576][ T8013]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[  303.743579][ T8013]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554)
[  303.743585][ T8013]  __sock_sendmsg (net/socket.c:800 (discriminator 4) net/socket.c:815 (discriminator 4))
[  303.743587][ T8013]  ? fdget (fs/file.c:1200 fs/file.c:1208)
[  303.743591][ T8013]  __sys_sendto (net/socket.c:2281)
[  303.743594][ T8013]  ? __ia32_sys_getpeername (net/socket.c:2235)
[  303.743600][ T8013]  ? do_futex (kernel/futex/syscalls.c:133)
[  303.743603][ T8013]  ? __ia32_sys_get_robust_list (kernel/futex/syscalls.c:94)
[  303.743610][ T8013]  ? xfd_validate_state (arch/x86/kernel/fpu/xstate.c:1497 (discriminator 1) arch/x86/kernel/fpu/xstate.c:1543 (discriminator 1))
[  303.743617][ T8013]  __x64_sys_sendto (net/socket.c:2288 net/socket.c:2284 net/socket.c:2284)
[  303.743619][ T8013]  ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22))
[  303.743622][ T8013]  ? lockdep_hardirqs_on (kernel/locking/lockdep.c:4488)
[  303.743625][ T8013]  ? do_syscall_64 (arch/x86/entry/syscall_64.c:81 (discriminator 44))
[  303.743627][ T8013]  do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84)
[  303.743630][ T8013]  ? exc_page_fault (arch/x86/mm/fault.c:1489 (discriminator 3) arch/x86/mm/fault.c:1536 (discriminator 3))
[  303.743632][ T8013]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[  303.743635][ T8013] RIP: 0033:0x7fb73be4d312
[  303.743638][ T8013] Code: 08 0f 85 71 41 ff ff 49 89 fb 48 89 f0 48 89 d7 48 89 ce 4c 89 c2 4d 89 ca 4c 8b 44 24 08 4c 8b 4c 24 10 4c 89 5c 24 08 0f 05 <c3> 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 00 f3 0f 1e fa 55 bf 01 00
All code
========
   0:	08 0f                	or     %cl,(%rdi)
   2:	85 71 41             	test   %esi,0x41(%rcx)
   5:	ff                   	(bad)
   6:	ff 49 89             	decl   -0x77(%rcx)
   9:	fb                   	sti
   a:	48 89 f0             	mov    %rsi,%rax
   d:	48 89 d7             	mov    %rdx,%rdi
  10:	48 89 ce             	mov    %rcx,%rsi
  13:	4c 89 c2             	mov    %r8,%rdx
  16:	4d 89 ca             	mov    %r9,%r10
  19:	4c 8b 44 24 08       	mov    0x8(%rsp),%r8
  1e:	4c 8b 4c 24 10       	mov    0x10(%rsp),%r9
  23:	4c 89 5c 24 08       	mov    %r11,0x8(%rsp)
  28:	0f 05                	syscall
  2a:*	c3                   	ret		<-- trapping instruction
  2b:	66 2e 0f 1f 84 00 00 	cs nopw 0x0(%rax,%rax,1)
  32:	00 00 00 
  35:	0f 1f 00             	nopl   (%rax)
  38:	f3 0f 1e fa          	endbr64
  3c:	55                   	push   %rbp
  3d:	bf                   	.byte 0xbf
  3e:	01 00                	add    %eax,(%rax)

Code starting with the faulting instruction
===========================================
   0:	c3                   	ret
   1:	66 2e 0f 1f 84 00 00 	cs nopw 0x0(%rax,%rax,1)
   8:	00 00 00 
   b:	0f 1f 00             	nopl   (%rax)
   e:	f3 0f 1e fa          	endbr64
  12:	55                   	push   %rbp
  13:	bf                   	.byte 0xbf
  14:	01 00                	add    %eax,(%rax)
[  303.743640][ T8013] RSP: 002b:00007ffc2a2df348 EFLAGS: 00000246 ORIG_RAX: 000000000000002c
[  303.743643][ T8013] RAX: ffffffffffffffda RBX: 00007ffc2a2df478 RCX: 00007fb73be4d312
[  303.743645][ T8013] RDX: 0000000000000024 RSI: 00007fb7381c1530 RDI: 0000000000000020
[  303.743645][ T8013] RBP: 00007ffc2a2df370 R08: 00007ffc2a2df4f0 R09: 000000000000000c
[  303.743646][ T8013] R10: 0000000000000000 R11: 0000000000000246 R12: 00007fb739ca9e10
[  303.743647][ T8013] R13: 00007ffc2a2df478 R14: 00007fb73b76c01a R15: 00007ffc2a2df868
| [  307.360652][ T8108] softirqs last disabled at (381772): __alloc_skb (./include/linux/bottom_half.h:20 (discriminator 2) net/core/skbuff.c:697 (discriminator 2))
| [  307.360655][ T8108] Preemption disabled at:
| [  307.360655][ T8108] vprintk_emit (kernel/printk/printk.c:2471)
| [  307.360664][ T8108] Tainted: [W]=WARN
[  307.360665][ T8108] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[  307.360667][ T8108] Call Trace:
[  307.360669][ T8108]  <TASK>
[  307.360670][ T8108]  dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120)
[  307.360676][ T8108]  ? vprintk_emit (kernel/printk/printk.c:2471)
[  307.360678][ T8108]  __might_resched.cold (kernel/sched/core.c:9234)
[  307.360683][ T8108]  ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3))
[  307.360687][ T8108]  ? __kmalloc_noprof (./include/linux/sched/mm.h:317 mm/slub.c:4636 mm/slub.c:4974 mm/slub.c:5413 mm/slub.c:5439)
[  307.360692][ T8108]  __kmalloc_noprof (./include/linux/sched/mm.h:322 (discriminator 2) mm/slub.c:4636 (discriminator 2) mm/slub.c:4974 (discriminator 2) mm/slub.c:5413 (discriminator 2) mm/slub.c:5439 (discriminator 2))
[  307.360694][ T8108]  ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[  307.360701][ T8108]  ? do_raw_spin_unlock (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:32 ./include/asm-generic/qspinlock.h:58 kernel/locking/spinlock_debug.c:101 kernel/locking/spinlock_debug.c:141)
[  307.360704][ T8108]  alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[  307.360708][ T8108]  put_chars (drivers/char/virtio_console.c:1176)
[  307.360710][ T8108]  ? __send_to_port (drivers/char/virtio_console.c:654)
[  307.360713][ T8108]  ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4116 (discriminator 3) kernel/rcu/tree.c:4108 (discriminator 3))
[  307.360716][ T8108]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380)
[  307.360719][ T8108]  ? validate_chain (kernel/locking/lockdep.c:3817 (discriminator 2) kernel/locking/lockdep.c:3837 (discriminator 2) kernel/locking/lockdep.c:3892 (discriminator 2))
[  307.360723][ T8108]  hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2))
[  307.360727][ T8108]  ? mark_usage (kernel/locking/lockdep.c:4690)
[  307.360729][ T8108]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[  307.360731][ T8108]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[  307.360735][ T8108]  ? hvc_write (drivers/tty/hvc/hvc_console.c:501)
[  307.360737][ T8108]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2))
[  307.360742][ T8108]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  307.360746][ T8108]  console_emit_next_record (kernel/printk/printk.c:3183)
[  307.360750][ T8108]  ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20)
[  307.360752][ T8108]  ? console_flush_one_record (./include/linux/rcupdate.h:314 (discriminator 2) ./include/linux/srcu.h:439 (discriminator 2) kernel/printk/printk.c:291 (discriminator 2) kernel/printk/printk.c:3246 (discriminator 2))
[  307.360755][ T8108]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  307.360758][ T8108]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  307.360762][ T8108]  console_flush_one_record (kernel/printk/printk.c:3268)
[  307.360766][ T8108]  ? console_emit_next_record (kernel/printk/printk.c:3150)
[  307.360768][ T8108]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[  307.360774][ T8108]  console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420)
[  307.360777][ T8108]  ? console_flush_one_record (kernel/printk/printk.c:3316)
[  307.360779][ T8108]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  307.360781][ T8108]  ? lock_acquire (./include/linux/srcutree.h:374 ./include/linux/srcu.h:541 ./include/linux/srcu.h:645 ./include/trace/events/lock.h:23 ./include/trace/events/lock.h:23 kernel/locking/lockdep.c:5871)
[  307.360784][ T8108]  ? __down_trylock_console_sem (kernel/printk/printk.c:334)
[  307.360786][ T8108]  ? vprintk_emit (kernel/printk/printk.c:2478)
[  307.360789][ T8108]  vprintk_emit (kernel/printk/printk.c:2479)
[  307.360792][ T8108]  ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126))
[  307.360795][ T8108]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554)
[  307.360796][ T8108]  ? genl_family_rcv_msg (net/netlink/genetlink.c:1194)
[  307.360801][ T8108]  _printk (kernel/printk/printk.c:2504)
[  307.360805][ T8108]  ? snapshot_read.cold (user.c:?)
[  307.360807][ T8108]  ? ___ratelimit (lib/ratelimit.c:97 (discriminator 3))
[  307.360813][ T8108]  ? idr_get_free (??:?)
[  307.360818][ T8108]  validate_nla.cold (lib/nlattr.c:414 (discriminator 4))
[  307.360828][ T8108]  ? nla_get_range_signed (lib/nlattr.c:270)
[  307.360834][ T8108]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  307.360836][ T8108]  ? trace_kmalloc (./include/trace/events/kmem.h:57 (discriminator 22))
[  307.360840][ T8108]  __nla_validate_parse (lib/nlattr.c:635)
[  307.360845][ T8108]  __nla_parse (lib/nlattr.c:732)
[  307.360848][ T8108]  genl_family_rcv_msg_attrs_parse.isra.0 (./include/net/netlink.h:789 (discriminator 2) net/netlink/genetlink.c:944 (discriminator 2))
[  307.360853][ T8108]  genl_family_rcv_msg_doit (net/netlink/genetlink.c:1092)
[  307.360857][ T8108]  ? genl_family_rcv_msg_attrs_parse.isra.0 (./include/net/netlink.h:785 (discriminator 2))
[  307.360865][ T8108]  ? security_capable (security/security.c:660 (discriminator 11))
[  307.360870][ T8108]  genl_family_rcv_msg (net/netlink/genetlink.c:1194)
[  307.360873][ T8108]  ? genl_family_rcv_msg_dumpit (net/netlink/genetlink.c:1079)
[  307.360876][ T8108]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380)
[  307.360879][ T8108]  ? ovs_dp_cmd_get (./include/net/net_namespace.h:422 (discriminator 7)) openvswitch
[  307.360887][ T8108]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[  307.360893][ T8108]  genl_rcv_msg (net/netlink/genetlink.c:1209)
[  307.360896][ T8108]  netlink_rcv_skb (net/netlink/af_netlink.c:2556)
[  307.360901][ T8108]  ? genl_family_rcv_msg (net/netlink/genetlink.c:1136 (discriminator 2))
[  307.360905][ T8108]  ? netlink_ack (./include/linux/skbuff.h:2718)
[  307.360912][ T8108]  ? netlink_deliver_tap (./include/linux/rcupdate.h:319 (discriminator 2) ./include/linux/rcupdate.h:880 (discriminator 2) ./include/net/netns/generic.h:48 (discriminator 2) net/netlink/af_netlink.c:334 (discriminator 2))
[  307.360914][ T8108]  ? netlink_deliver_tap (./include/linux/rcupdate.h:319 (discriminator 2) ./include/linux/rcupdate.h:880 (discriminator 2) net/netlink/af_netlink.c:341 (discriminator 2))
[  307.360918][ T8108]  genl_rcv (net/netlink/genetlink.c:1218)
[  307.360921][ T8108]  netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[  307.360925][ T8108]  ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[  307.360929][ T8108]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[  307.360932][ T8108]  netlink_sendmsg (net/netlink/af_netlink.c:1900)
[  307.360936][ T8108]  ? netlink_unicast (./include/net/net_namespace.h:422 (discriminator 7))
[  307.360938][ T8108]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[  307.360941][ T8108]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554)
[  307.360946][ T8108]  __sock_sendmsg (net/socket.c:800 (discriminator 4) net/socket.c:815 (discriminator 4))
[  307.360949][ T8108]  ? fdget (fs/file.c:1200 fs/file.c:1208)
[  307.360952][ T8108]  __sys_sendto (net/socket.c:2281)
[  307.360956][ T8108]  ? __ia32_sys_getpeername (net/socket.c:2235)
[  307.360967][ T8108]  ? fput_close_sync (fs/file_table.c:617)
[  307.360970][ T8108]  ? alloc_file_clone (fs/file_table.c:479)
[  307.360974][ T8108]  __x64_sys_sendto (net/socket.c:2288 net/socket.c:2284 net/socket.c:2284)
[  307.360977][ T8108]  ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22))
[  307.360980][ T8108]  ? lockdep_hardirqs_on (kernel/locking/lockdep.c:4488)
[  307.360983][ T8108]  ? do_syscall_64 (arch/x86/entry/syscall_64.c:81 (discriminator 44))
[  307.360985][ T8108]  do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84)
[  307.360988][ T8108]  ? exc_page_fault (arch/x86/mm/fault.c:1489 (discriminator 3) arch/x86/mm/fault.c:1536 (discriminator 3))
[  307.360990][ T8108]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[  307.360993][ T8108] RIP: 0033:0x7fbfbb02f312
[  307.360997][ T8108] Code: 08 0f 85 71 41 ff ff 49 89 fb 48 89 f0 48 89 d7 48 89 ce 4c 89 c2 4d 89 ca 4c 8b 44 24 08 4c 8b 4c 24 10 4c 89 5c 24 08 0f 05 <c3> 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 00 f3 0f 1e fa 55 bf 01 00
All code
========
   0:	08 0f                	or     %cl,(%rdi)
   2:	85 71 41             	test   %esi,0x41(%rcx)
   5:	ff                   	(bad)
   6:	ff 49 89             	decl   -0x77(%rcx)
   9:	fb                   	sti
   a:	48 89 f0             	mov    %rsi,%rax
   d:	48 89 d7             	mov    %rdx,%rdi
  10:	48 89 ce             	mov    %rcx,%rsi
  13:	4c 89 c2             	mov    %r8,%rdx
  16:	4d 89 ca             	mov    %r9,%r10
  19:	4c 8b 44 24 08       	mov    0x8(%rsp),%r8
  1e:	4c 8b 4c 24 10       	mov    0x10(%rsp),%r9
  23:	4c 89 5c 24 08       	mov    %r11,0x8(%rsp)
  28:	0f 05                	syscall
  2a:*	c3                   	ret		<-- trapping instruction
  2b:	66 2e 0f 1f 84 00 00 	cs nopw 0x0(%rax,%rax,1)
  32:	00 00 00 
  35:	0f 1f 00             	nopl   (%rax)
  38:	f3 0f 1e fa          	endbr64
  3c:	55                   	push   %rbp
  3d:	bf                   	.byte 0xbf
  3e:	01 00                	add    %eax,(%rax)

Code starting with the faulting instruction
===========================================
   0:	c3                   	ret
   1:	66 2e 0f 1f 84 00 00 	cs nopw 0x0(%rax,%rax,1)
   8:	00 00 00 
   b:	0f 1f 00             	nopl   (%rax)
   e:	f3 0f 1e fa          	endbr64
  12:	55                   	push   %rbp
  13:	bf                   	.byte 0xbf
  14:	01 00                	add    %eax,(%rax)
[  307.360999][ T8108] RSP: 002b:00007ffc02427ea8 EFLAGS: 00000246 ORIG_RAX: 000000000000002c
[  307.361002][ T8108] RAX: ffffffffffffffda RBX: 00007ffc02427fd8 RCX: 00007fbfbb02f312
[  307.361003][ T8108] RDX: 0000000000000044 RSI: 00007fbfb8402150 RDI: 0000000000000020
[  307.361004][ T8108] RBP: 00007ffc02427ed0 R08: 00007ffc02428050 R09: 000000000000000c
[  307.361005][ T8108] R10: 0000000000000000 R11: 0000000000000246 R12: 00007fbfb8e920b0
[  307.361005][ T8108] R13: 00007ffc02427fd8 R14: 00007fbfba94e01a R15: 00007ffc024283c8
| [  308.666789][ T8140] softirqs last disabled at (383500): inet6_fill_ifla6_attrs (net/ipv6/addrconf.c:5883)
| [  308.666791][ T8140] Preemption disabled at:
| [  308.666791][ T8140] vprintk_emit (kernel/printk/printk.c:2471)
| [  308.666800][ T8140] Tainted: [W]=WARN
[  308.666801][ T8140] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[  308.666803][ T8140] Call Trace:
[  308.666805][ T8140]  <TASK>
[  308.666806][ T8140]  dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120)
[  308.666812][ T8140]  ? vprintk_emit (kernel/printk/printk.c:2471)
[  308.666814][ T8140]  __might_resched.cold (kernel/sched/core.c:9234)
[  308.666819][ T8140]  ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3))
[  308.666823][ T8140]  ? __kmalloc_noprof (./include/linux/sched/mm.h:317 mm/slub.c:4636 mm/slub.c:4974 mm/slub.c:5413 mm/slub.c:5439)
[  308.666828][ T8140]  __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))
[  308.666830][ T8140]  ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[  308.666837][ T8140]  ? 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)
[  308.666840][ T8140]  alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[  308.666844][ T8140]  put_chars (drivers/char/virtio_console.c:1176)
[  308.666847][ T8140]  ? __send_to_port (drivers/char/virtio_console.c:654)
[  308.666851][ T8140]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380)
[  308.666854][ T8140]  ? validate_chain (kernel/locking/lockdep.c:3817 (discriminator 2) kernel/locking/lockdep.c:3837 (discriminator 2) kernel/locking/lockdep.c:3892 (discriminator 2))
[  308.666859][ T8140]  hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2))
[  308.666863][ T8140]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[  308.666865][ T8140]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[  308.666870][ T8140]  ? hvc_write (drivers/tty/hvc/hvc_console.c:501)
[  308.666874][ T8140]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  308.666877][ T8140]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  308.666881][ T8140]  console_emit_next_record (kernel/printk/printk.c:3183)
[  308.666886][ T8140]  ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20)
[  308.666888][ T8140]  ? 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))
[  308.666891][ T8140]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  308.666893][ T8140]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  308.666901][ T8140]  console_flush_one_record (kernel/printk/printk.c:3268)
[  308.666907][ T8140]  ? console_emit_next_record (kernel/printk/printk.c:3150)
[  308.666909][ T8140]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[  308.666916][ T8140]  console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420)
[  308.666920][ T8140]  ? console_flush_one_record (kernel/printk/printk.c:3316)
[  308.666922][ T8140]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  308.666924][ T8140]  ? 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)
[  308.666928][ T8140]  ? __down_trylock_console_sem (kernel/printk/printk.c:334)
[  308.666930][ T8140]  ? vprintk_emit (kernel/printk/printk.c:2478)
[  308.666934][ T8140]  vprintk_emit (kernel/printk/printk.c:2479)
[  308.666937][ T8140]  ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126))
[  308.666945][ T8140]  _printk (kernel/printk/printk.c:2504)
[  308.666949][ T8140]  ? snapshot_read.cold (user.c:?)
[  308.666952][ T8140]  ? lockdep_rtnl_is_held (./include/linux/lockdep.h:249 net/core/rtnetlink.c:182)
[  308.666955][ T8140]  ? netdev_upper_get_next_dev_rcu (net/core/dev.c:8213 (discriminator 5))
[  308.666959][ T8140]  ? __netdev_update_features (net/core/dev.c:11078 (discriminator 2))
[  308.666961][ T8140]  ? netdev_name (./include/linux/netdevice.h:5709 (discriminator 1))
[  308.666965][ T8140]  ? __netdev_printk (net/core/dev.c:13148 (discriminator 2))
[  308.666970][ T8140]  netdev_info (net/core/dev.c:13195 (discriminator 3))
[  308.666973][ T8140]  ? netdev_notice (net/core/dev.c:13194)
[  308.666975][ T8140]  ? ovs_netdev_link (net/openvswitch/vport-netdev.c:85) openvswitch
[  308.666986][ T8140]  ? 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)
[  308.666989][ T8140]  __dev_set_promiscuity.cold (net/core/dev.c:9672 (discriminator 3))
[  308.666993][ T8140]  netif_set_promiscuity (net/core/dev.c:9699)
[  308.666998][ T8140]  dev_set_promiscuity (net/core/dev_api.c:288)
[  308.667000][ T8140]  ? dev_disable_lro (net/core/dev_api.c:267)
[  308.667003][ T8140] ovs_netdev_link (net/openvswitch/vport-netdev.c:106) openvswitch
[  308.667009][ T8140] ovs_vport_add (net/openvswitch/vport.c:209) openvswitch
[  308.667015][ T8140] new_vport (net/openvswitch/datapath.c:203) openvswitch
[  308.667020][ T8140]  ? ovs_lookup_vport (./include/linux/lockdep.h:249 net/openvswitch/datapath.c:120 net/openvswitch/datapath.c:117 net/openvswitch/datapath.c:190) openvswitch
[  308.667026][ T8140] ovs_vport_cmd_new (net/openvswitch/datapath.c:2389) openvswitch
[  308.667033][ T8140]  ? ovs_vport_cmd_fill_info.isra.0 (./include/net/netlink.h:1107 (discriminator 1)) openvswitch
[  308.667038][ T8140]  ? __nla_validate_parse (lib/nlattr.c:635)
[  308.667045][ T8140]  ? __nla_parse (lib/nlattr.c:732)
[  308.667048][ T8140]  ? genl_family_rcv_msg_attrs_parse.isra.0 (./include/net/netlink.h:789 (discriminator 2) net/netlink/genetlink.c:944 (discriminator 2))
[  308.667054][ T8140]  genl_family_rcv_msg_doit (net/netlink/genetlink.c:1114)
[  308.667058][ T8140]  ? genl_family_rcv_msg_attrs_parse.isra.0 (./include/net/netlink.h:785 (discriminator 2))
[  308.667068][ T8140]  ? security_capable (security/security.c:660 (discriminator 11))
[  308.667072][ T8140]  genl_family_rcv_msg (net/netlink/genetlink.c:1194)
[  308.667077][ T8140]  ? genl_family_rcv_msg_dumpit (net/netlink/genetlink.c:1079)
[  308.667080][ T8140]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380)
[  308.667082][ T8140]  ? ovs_vport_cmd_fill_info.isra.0 (./include/net/netlink.h:1107 (discriminator 1)) openvswitch
[  308.667088][ T8140]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[  308.667094][ T8140]  genl_rcv_msg (net/netlink/genetlink.c:1209)
[  308.667099][ T8140]  netlink_rcv_skb (net/netlink/af_netlink.c:2556)
[  308.667101][ T8140]  ? genl_family_rcv_msg (net/netlink/genetlink.c:1136 (discriminator 2))
[  308.667105][ T8140]  ? netlink_ack (./include/linux/skbuff.h:2718)
[  308.667114][ T8140]  ? 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))
[  308.667116][ T8140]  ? 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))
[  308.667121][ T8140]  genl_rcv (net/netlink/genetlink.c:1218)
[  308.667124][ T8140]  netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[  308.667128][ T8140]  ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[  308.667132][ T8140]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[  308.667136][ T8140]  netlink_sendmsg (net/netlink/af_netlink.c:1900)
[  308.667140][ T8140]  ? netlink_unicast (./include/net/net_namespace.h:422 (discriminator 7))
[  308.667142][ T8140]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[  308.667145][ T8140]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554)
[  308.667151][ T8140]  __sock_sendmsg (net/socket.c:800 (discriminator 4) net/socket.c:815 (discriminator 4))
[  308.667153][ T8140]  ? fdget (fs/file.c:1200 fs/file.c:1208)
[  308.667157][ T8140]  __sys_sendto (net/socket.c:2281)
[  308.667161][ T8140]  ? __ia32_sys_getpeername (net/socket.c:2235)
[  308.667173][ T8140]  ? exc_page_fault (arch/x86/mm/fault.c:1483 arch/x86/mm/fault.c:1536)
[  308.667179][ T8140]  __x64_sys_sendto (net/socket.c:2288 net/socket.c:2284 net/socket.c:2284)
[  308.667182][ T8140]  ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22))
[  308.667186][ T8140]  ? lockdep_hardirqs_on (kernel/locking/lockdep.c:4488)
[  308.667187][ T8140]  ? do_syscall_64 (arch/x86/entry/syscall_64.c:81 (discriminator 44))
[  308.667190][ T8140]  do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84)
[  308.667192][ T8140]  ? exc_page_fault (arch/x86/mm/fault.c:1489 (discriminator 3) arch/x86/mm/fault.c:1536 (discriminator 3))
[  308.667195][ T8140]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[  308.667197][ T8140] RIP: 0033:0x7f4b91d44312
[  308.667201][ T8140] Code: 08 0f 85 71 41 ff ff 49 89 fb 48 89 f0 48 89 d7 48 89 ce 4c 89 c2 4d 89 ca 4c 8b 44 24 08 4c 8b 4c 24 10 4c 89 5c 24 08 0f 05 <c3> 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 00 f3 0f 1e fa 55 bf 01 00
All code
========
   0:	08 0f                	or     %cl,(%rdi)
   2:	85 71 41             	test   %esi,0x41(%rcx)
   5:	ff                   	(bad)
   6:	ff 49 89             	decl   -0x77(%rcx)
   9:	fb                   	sti
   a:	48 89 f0             	mov    %rsi,%rax
   d:	48 89 d7             	mov    %rdx,%rdi
  10:	48 89 ce             	mov    %rcx,%rsi
  13:	4c 89 c2             	mov    %r8,%rdx
  16:	4d 89 ca             	mov    %r9,%r10
  19:	4c 8b 44 24 08       	mov    0x8(%rsp),%r8
  1e:	4c 8b 4c 24 10       	mov    0x10(%rsp),%r9
  23:	4c 89 5c 24 08       	mov    %r11,0x8(%rsp)
  28:	0f 05                	syscall
  2a:*	c3                   	ret		<-- trapping instruction
  2b:	66 2e 0f 1f 84 00 00 	cs nopw 0x0(%rax,%rax,1)
  32:	00 00 00 
  35:	0f 1f 00             	nopl   (%rax)
  38:	f3 0f 1e fa          	endbr64
  3c:	55                   	push   %rbp
  3d:	bf                   	.byte 0xbf
  3e:	01 00                	add    %eax,(%rax)

Code starting with the faulting instruction
===========================================
   0:	c3                   	ret
   1:	66 2e 0f 1f 84 00 00 	cs nopw 0x0(%rax,%rax,1)
   8:	00 00 00 
   b:	0f 1f 00             	nopl   (%rax)
   e:	f3 0f 1e fa          	endbr64
  12:	55                   	push   %rbp
  13:	bf                   	.byte 0xbf
  14:	01 00                	add    %eax,(%rax)
[  308.667203][ T8140] RSP: 002b:00007ffc72dd5cf8 EFLAGS: 00000246 ORIG_RAX: 000000000000002c
[  308.667206][ T8140] RAX: ffffffffffffffda RBX: 00007ffc72dd5e28 RCX: 00007f4b91d44312
[  308.667207][ T8140] RDX: 0000000000000038 RSI: 00007f4b8d97b6f0 RDI: 0000000000000023
[  308.667208][ T8140] RBP: 00007ffc72dd5d20 R08: 00007ffc72dd5ea0 R09: 000000000000000c
[  308.667209][ T8140] R10: 0000000000000000 R11: 0000000000000246 R12: 00007f4b8fbb2190
[  308.667210][ T8140] R13: 00007ffc72dd5e28 R14: 00007f4b9166301a R15: 00007ffc72dd6218
| [  309.819042][ T8167] softirqs last disabled at (391777): __irq_exit_rcu (kernel/softirq.c:679 kernel/softirq.c:519 kernel/softirq.c:767)
| [  309.819045][ T8167] Preemption disabled at:
| [  309.819045][ T8167] vprintk_emit (kernel/printk/printk.c:2471)
| [  309.819056][ T8167] Tainted: [W]=WARN
[  309.819057][ T8167] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[  309.819059][ T8167] Call Trace:
[  309.819061][ T8167]  <TASK>
[  309.819063][ T8167]  dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120)
[  309.819069][ T8167]  ? vprintk_emit (kernel/printk/printk.c:2471)
[  309.819072][ T8167]  __might_resched.cold (kernel/sched/core.c:9234)
[  309.819077][ T8167]  ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3))
[  309.819082][ T8167]  ? __kmalloc_noprof (./include/linux/sched/mm.h:317 mm/slub.c:4636 mm/slub.c:4974 mm/slub.c:5413 mm/slub.c:5439)
[  309.819089][ T8167]  __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))
[  309.819092][ T8167]  ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[  309.819101][ T8167]  ? 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)
[  309.819104][ T8167]  alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[  309.819110][ T8167]  put_chars (drivers/char/virtio_console.c:1176)
[  309.819113][ T8167]  ? __send_to_port (drivers/char/virtio_console.c:654)
[  309.819118][ T8167]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380)
[  309.819122][ T8167]  ? validate_chain (kernel/locking/lockdep.c:3817 (discriminator 2) kernel/locking/lockdep.c:3837 (discriminator 2) kernel/locking/lockdep.c:3892 (discriminator 2))
[  309.819128][ T8167]  hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2))
[  309.819133][ T8167]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[  309.819135][ T8167]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[  309.819141][ T8167]  ? hvc_write (drivers/tty/hvc/hvc_console.c:501)
[  309.819146][ T8167]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  309.819149][ T8167]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  309.819155][ T8167]  console_emit_next_record (kernel/printk/printk.c:3183)
[  309.819161][ T8167]  ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20)
[  309.819163][ T8167]  ? 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))
[  309.819168][ T8167]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  309.819170][ T8167]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  309.819177][ T8167]  console_flush_one_record (kernel/printk/printk.c:3268)
[  309.819183][ T8167]  ? console_emit_next_record (kernel/printk/printk.c:3150)
[  309.819185][ T8167]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[  309.819193][ T8167]  console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420)
[  309.819196][ T8167]  ? console_flush_one_record (kernel/printk/printk.c:3316)
[  309.819199][ T8167]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  309.819201][ T8167]  ? 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)
[  309.819206][ T8167]  ? __down_trylock_console_sem (kernel/printk/printk.c:334)
[  309.819209][ T8167]  ? vprintk_emit (kernel/printk/printk.c:2478)
[  309.819212][ T8167]  vprintk_emit (kernel/printk/printk.c:2479)
[  309.819217][ T8167]  ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126))
[  309.819224][ T8167]  _printk (kernel/printk/printk.c:2504)
[  309.819228][ T8167]  ? snapshot_read.cold (user.c:?)
[  309.819238][ T8167]  ? lockdep_rtnl_is_held (./include/linux/lockdep.h:249 net/core/rtnetlink.c:182)
[  309.819242][ T8167]  ? netdev_upper_get_next_dev_rcu (net/core/dev.c:8213 (discriminator 5))
[  309.819246][ T8167]  ? 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)
[  309.819248][ T8167]  ? __netdev_update_features (net/core/dev.c:11078 (discriminator 2))
[  309.819251][ T8167]  ? netdev_name (./include/linux/netdevice.h:5709 (discriminator 1))
[  309.819255][ T8167]  ? __netdev_printk (net/core/dev.c:13148 (discriminator 2))
[  309.819261][ T8167]  netdev_info (net/core/dev.c:13195 (discriminator 3))
[  309.819264][ T8167]  ? netdev_notice (net/core/dev.c:13194)
[  309.819267][ T8167]  ? ovs_netdev_link (net/openvswitch/vport-netdev.c:85) openvswitch
[  309.819278][ T8167]  ? 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)
[  309.819281][ T8167]  __dev_set_promiscuity.cold (net/core/dev.c:9672 (discriminator 3))
[  309.819286][ T8167]  netif_set_promiscuity (net/core/dev.c:9699)
[  309.819291][ T8167]  dev_set_promiscuity (net/core/dev_api.c:288)
[  309.819294][ T8167]  ? dev_disable_lro (net/core/dev_api.c:267)
[  309.819298][ T8167] ovs_netdev_link (net/openvswitch/vport-netdev.c:106) openvswitch
[  309.819307][ T8167] ovs_vport_add (net/openvswitch/vport.c:209) openvswitch
[  309.819316][ T8167] new_vport (net/openvswitch/datapath.c:203) openvswitch
[  309.819323][ T8167]  ? ovs_lookup_vport (./include/linux/lockdep.h:249 net/openvswitch/datapath.c:120 net/openvswitch/datapath.c:117 net/openvswitch/datapath.c:190) openvswitch
[  309.819329][ T8167] ovs_vport_cmd_new (net/openvswitch/datapath.c:2389) openvswitch
[  309.819339][ T8167]  ? ovs_vport_cmd_fill_info.isra.0 (./include/net/netlink.h:1107 (discriminator 1)) openvswitch
[  309.819345][ T8167]  ? __nla_validate_parse (lib/nlattr.c:635)
[  309.819353][ T8167]  ? __nla_parse (lib/nlattr.c:732)
[  309.819357][ T8167]  ? genl_family_rcv_msg_attrs_parse.isra.0 (./include/net/netlink.h:789 (discriminator 2) net/netlink/genetlink.c:944 (discriminator 2))
[  309.819364][ T8167]  genl_family_rcv_msg_doit (net/netlink/genetlink.c:1114)
[  309.819368][ T8167]  ? genl_family_rcv_msg_attrs_parse.isra.0 (./include/net/netlink.h:785 (discriminator 2))
[  309.819382][ T8167]  ? security_capable (security/security.c:660 (discriminator 11))
[  309.819389][ T8167]  genl_family_rcv_msg (net/netlink/genetlink.c:1194)
[  309.819396][ T8167]  ? genl_family_rcv_msg_dumpit (net/netlink/genetlink.c:1079)
[  309.819400][ T8167]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380)
[  309.819403][ T8167]  ? ovs_vport_cmd_fill_info.isra.0 (./include/net/netlink.h:1107 (discriminator 1)) openvswitch
[  309.819409][ T8167]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[  309.819418][ T8167]  genl_rcv_msg (net/netlink/genetlink.c:1209)
[  309.819423][ T8167]  netlink_rcv_skb (net/netlink/af_netlink.c:2556)
[  309.819426][ T8167]  ? genl_family_rcv_msg (net/netlink/genetlink.c:1136 (discriminator 2))
[  309.819431][ T8167]  ? netlink_ack (./include/linux/skbuff.h:2718)
[  309.819440][ T8167]  ? 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))
[  309.819443][ T8167]  ? 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))
[  309.819448][ T8167]  genl_rcv (net/netlink/genetlink.c:1218)
[  309.819451][ T8167]  netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[  309.819457][ T8167]  ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[  309.819462][ T8167]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[  309.819466][ T8167]  netlink_sendmsg (net/netlink/af_netlink.c:1900)
[  309.819472][ T8167]  ? netlink_unicast (./include/net/net_namespace.h:422 (discriminator 7))
[  309.819474][ T8167]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[  309.819478][ T8167]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554)
[  309.819485][ T8167]  __sock_sendmsg (net/socket.c:800 (discriminator 4) net/socket.c:815 (discriminator 4))
[  309.819488][ T8167]  ? fdget (fs/file.c:1200 fs/file.c:1208)
[  309.819493][ T8167]  __sys_sendto (net/socket.c:2281)
[  309.819497][ T8167]  ? __ia32_sys_getpeername (net/socket.c:2235)
[  309.819505][ T8167]  ? do_futex (kernel/futex/syscalls.c:138)
[  309.819509][ T8167]  ? __ia32_sys_get_robust_list (kernel/futex/syscalls.c:94)
[  309.819517][ T8167]  ? exc_page_fault (arch/x86/mm/fault.c:1483 arch/x86/mm/fault.c:1536)
[  309.819522][ T8167]  ? do_futex (kernel/futex/syscalls.c:153 (discriminator 1))
[  309.819527][ T8167]  __x64_sys_sendto (net/socket.c:2288 net/socket.c:2284 net/socket.c:2284)
[  309.819530][ T8167]  ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22))
[  309.819534][ T8167]  ? lockdep_hardirqs_on (kernel/locking/lockdep.c:4488)
[  309.819536][ T8167]  ? do_syscall_64 (arch/x86/entry/syscall_64.c:81 (discriminator 44))
[  309.819539][ T8167]  do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84)
[  309.819542][ T8167]  ? exc_page_fault (arch/x86/mm/fault.c:1489 (discriminator 3) arch/x86/mm/fault.c:1536 (discriminator 3))
[  309.819545][ T8167]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[  309.819548][ T8167] RIP: 0033:0x7f2029d4b312
[  309.819552][ T8167] Code: 08 0f 85 71 41 ff ff 49 89 fb 48 89 f0 48 89 d7 48 89 ce 4c 89 c2 4d 89 ca 4c 8b 44 24 08 4c 8b 4c 24 10 4c 89 5c 24 08 0f 05 <c3> 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 00 f3 0f 1e fa 55 bf 01 00
All code
========
   0:	08 0f                	or     %cl,(%rdi)
   2:	85 71 41             	test   %esi,0x41(%rcx)
   5:	ff                   	(bad)
   6:	ff 49 89             	decl   -0x77(%rcx)
   9:	fb                   	sti
   a:	48 89 f0             	mov    %rsi,%rax
   d:	48 89 d7             	mov    %rdx,%rdi
  10:	48 89 ce             	mov    %rcx,%rsi
  13:	4c 89 c2             	mov    %r8,%rdx
  16:	4d 89 ca             	mov    %r9,%r10
  19:	4c 8b 44 24 08       	mov    0x8(%rsp),%r8
  1e:	4c 8b 4c 24 10       	mov    0x10(%rsp),%r9
  23:	4c 89 5c 24 08       	mov    %r11,0x8(%rsp)
  28:	0f 05                	syscall
  2a:*	c3                   	ret		<-- trapping instruction
  2b:	66 2e 0f 1f 84 00 00 	cs nopw 0x0(%rax,%rax,1)
  32:	00 00 00 
  35:	0f 1f 00             	nopl   (%rax)
  38:	f3 0f 1e fa          	endbr64
  3c:	55                   	push   %rbp
  3d:	bf                   	.byte 0xbf
  3e:	01 00                	add    %eax,(%rax)

Code starting with the faulting instruction
===========================================
   0:	c3                   	ret
   1:	66 2e 0f 1f 84 00 00 	cs nopw 0x0(%rax,%rax,1)
   8:	00 00 00 
   b:	0f 1f 00             	nopl   (%rax)
   e:	f3 0f 1e fa          	endbr64
  12:	55                   	push   %rbp
  13:	bf                   	.byte 0xbf
  14:	01 00                	add    %eax,(%rax)
[  309.819554][ T8167] RSP: 002b:00007ffedfc27708 EFLAGS: 00000246 ORIG_RAX: 000000000000002c
[  309.819558][ T8167] RAX: ffffffffffffffda RBX: 00007ffedfc27838 RCX: 00007f2029d4b312
[  309.819559][ T8167] RDX: 0000000000000034 RSI: 00007f20077392f0 RDI: 0000000000000023
[  309.819561][ T8167] RBP: 00007ffedfc27730 R08: 00007ffedfc278b0 R09: 000000000000000c
[  309.819562][ T8167] R10: 0000000000000000 R11: 0000000000000246 R12: 00007f2027bae190
[  309.819563][ T8167] R13: 00007ffedfc27838 R14: 00007f202966a01a R15: 00007ffedfc27c28
| [  319.589161][   T12] softirqs last disabled at (8331904): __neigh_ifdown.isra.0 (./include/linux/spinlock.h:353 net/core/neighbour.c:464)
| [  319.589163][   T12] Preemption disabled at:
| [  319.589164][   T12] vprintk_emit (kernel/printk/printk.c:2471)
| [  319.589173][   T12] Tainted: [W]=WARN
[  319.589174][   T12] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[  319.589176][   T12] Workqueue: netns cleanup_net
[  319.589180][   T12] Call Trace:
[  319.589182][   T12]  <TASK>
[  319.589183][   T12]  dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120)
[  319.589189][   T12]  ? vprintk_emit (kernel/printk/printk.c:2471)
[  319.589191][   T12]  __might_resched.cold (kernel/sched/core.c:9234)
[  319.589195][   T12]  ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3))
[  319.589199][   T12]  ? __kmalloc_noprof (./include/linux/sched/mm.h:317 mm/slub.c:4636 mm/slub.c:4974 mm/slub.c:5413 mm/slub.c:5439)
[  319.589204][   T12]  __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))
[  319.589206][   T12]  ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[  319.589213][   T12]  ? 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)
[  319.589216][   T12]  alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[  319.589220][   T12]  put_chars (drivers/char/virtio_console.c:1176)
[  319.589222][   T12]  ? prb_final_commit (kernel/printk/printk_ringbuffer.c:1842)
[  319.589225][   T12]  ? __send_to_port (drivers/char/virtio_console.c:654)
[  319.589228][   T12]  ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4116 (discriminator 3) kernel/rcu/tree.c:4108 (discriminator 3))
[  319.589231][   T12]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380)
[  319.589234][   T12]  ? validate_chain (kernel/locking/lockdep.c:3817 (discriminator 2) kernel/locking/lockdep.c:3837 (discriminator 2) kernel/locking/lockdep.c:3892 (discriminator 2))
[  319.589239][   T12]  hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2))
[  319.589243][   T12]  ? mark_usage (kernel/locking/lockdep.c:4690)
[  319.589245][   T12]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[  319.589247][   T12]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[  319.589251][   T12]  ? hvc_write (drivers/tty/hvc/hvc_console.c:501)
[  319.589254][   T12]  ? console_emit_next_record (kernel/printk/printk.c:3095 (discriminator 2) kernel/printk/printk.c:3182 (discriminator 2))
[  319.589258][   T12]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  319.589260][   T12]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  319.589264][   T12]  console_emit_next_record (kernel/printk/printk.c:3183)
[  319.589268][   T12]  ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20)
[  319.589270][   T12]  ? 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))
[  319.589274][   T12]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  319.589276][   T12]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  319.589280][   T12]  console_flush_one_record (kernel/printk/printk.c:3268)
[  319.589285][   T12]  ? console_emit_next_record (kernel/printk/printk.c:3150)
[  319.589287][   T12]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[  319.589298][   T12]  console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420)
[  319.589302][   T12]  ? console_flush_one_record (kernel/printk/printk.c:3316)
[  319.589304][   T12]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  319.589306][   T12]  ? 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)
[  319.589310][   T12]  ? __down_trylock_console_sem (kernel/printk/printk.c:334)
[  319.589312][   T12]  ? vprintk_emit (kernel/printk/printk.c:2478)
[  319.589315][   T12]  vprintk_emit (kernel/printk/printk.c:2479)
[  319.589318][   T12]  ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126))
[  319.589321][   T12]  ? net_disable_timestamp (./include/linux/workqueue.h:761)
[  319.589323][   T12]  ? net_generic (./include/linux/rcupdate.h:882 ./include/net/netns/generic.h:48) vxlan
[  319.589332][   T12]  _printk (kernel/printk/printk.c:2504)
[  319.589336][   T12]  ? snapshot_read.cold (user.c:?)
[  319.589341][   T12]  ? netdev_name (./include/linux/netdevice.h:5709 (discriminator 1))
[  319.589345][   T12]  ? __netdev_printk (net/core/dev.c:13148 (discriminator 2))
[  319.589349][   T12]  netdev_info (net/core/dev.c:13195 (discriminator 3))
[  319.589352][   T12]  ? netdev_notice (net/core/dev.c:13194)
[  319.589354][   T12]  ? __netdev_upper_dev_unlink (net/core/dev.c:9094)
[  319.589358][   T12]  ? synchronize_rcu_expedited (kernel/rcu/tree_exp.h:985)
[  319.589364][   T12]  ? 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)
[  319.589367][   T12]  __dev_set_promiscuity.cold (net/core/dev.c:9672 (discriminator 3))
[  319.589370][   T12]  netif_set_promiscuity (net/core/dev.c:9699)
[  319.589374][   T12]  dev_set_promiscuity (net/core/dev_api.c:288)
[  319.589376][   T12]  ? rtnl_is_locked (net/core/rtnetlink.c:169)
[  319.589379][   T12] ovs_netdev_detach_dev (net/openvswitch/vport-netdev.c:174) openvswitch
[  319.589387][   T12] dp_device_event (net/openvswitch/dp_notify.c:74) openvswitch
[  319.589391][   T12]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  319.589395][   T12]  notifier_call_chain (kernel/notifier.c:85)
[  319.589401][   T12]  unregister_netdevice_many_notify (net/core/dev.c:2313 net/core/dev.c:2327 net/core/dev.c:12518)
[  319.589406][   T12]  ? unregister_netdevice_queued (./include/linux/list.h:419 (discriminator 3))
[  319.589414][   T12]  default_device_exit_batch (net/core/dev.c:12589 net/core/dev.c:13288)
[  319.589418][   T12]  ? unregister_netdevice_queue (./include/linux/list.h:173)
[  319.589420][   T12]  ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3))
[  319.589423][   T12]  ? fou_exit_net (net/ipv4/fou_core.c:1228)
[  319.589428][   T12]  ops_undo_list (net/core/net_namespace.c:206 net/core/net_namespace.c:253)
[  319.589431][   T12]  ? lockdep_hardirqs_on (kernel/locking/lockdep.c:4488)
[  319.589435][   T12]  ? netns_install (./include/linux/ns_common.h:26)
[  319.589437][   T12]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554)
[  319.589440][   T12]  ? idr_destroy (lib/radix-tree.c:310 lib/radix-tree.c:674 lib/radix-tree.c:1563)
[  319.589445][   T12]  cleanup_net (net/core/net_namespace.c:706)
[  319.589449][   T12]  ? net_passive_dec (./include/linux/llist.h:241)
[  319.589453][   T12]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  319.589455][   T12]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  319.589458][   T12]  process_one_work (kernel/workqueue.c:3387)
[  319.589465][   T12]  ? __queue_delayed_work (kernel/workqueue.c:2622)
[  319.589468][   T12]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2))
[  319.589477][   T12]  worker_thread (kernel/workqueue.c:3470 kernel/workqueue.c:3551)
[  319.589484][   T12]  ? rescuer_thread (./include/linux/list.h:419 (discriminator 3))
[  319.589486][   T12]  kthread (kernel/kthread.c:436)
[  319.589489][   T12]  ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22))
[  319.589492][   T12]  ? kthread_affine_preferred (kernel/kthread.c:857)
[  319.589495][   T12]  ret_from_fork (arch/x86/kernel/process.c:158)
[  319.589500][   T12]  ? arch_exit_to_user_mode_prepare.isra.0 (arch/x86/entry/vdso/vma.c:80 (discriminator 1))
[  319.589503][   T12]  ? __switch_to (arch/x86/kernel/process_64.c:403 arch/x86/kernel/process_64.c:663)
[  319.589507][   T12]  ? kthread_affine_preferred (kernel/kthread.c:857)
[  319.589510][   T12]  ret_from_fork_asm (arch/x86/entry/entry_64.S:245)
| [  320.726610][ T8367] softirqs last disabled at (399932): inet6_fill_ifla6_attrs (net/ipv6/addrconf.c:5883)
| [  320.726613][ T8367] Preemption disabled at:
| [  320.726613][ T8367] vprintk_emit (kernel/printk/printk.c:2471)
| [  320.726622][ T8367] Tainted: [W]=WARN
[  320.726623][ T8367] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[  320.726625][ T8367] Call Trace:
[  320.726626][ T8367]  <TASK>
[  320.726628][ T8367]  dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120)
[  320.726634][ T8367]  ? vprintk_emit (kernel/printk/printk.c:2471)
[  320.726636][ T8367]  __might_resched.cold (kernel/sched/core.c:9234)
[  320.726640][ T8367]  ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3))
[  320.726645][ T8367]  ? __kmalloc_noprof (./include/linux/sched/mm.h:317 mm/slub.c:4636 mm/slub.c:4974 mm/slub.c:5413 mm/slub.c:5439)
[  320.726649][ T8367]  __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))
[  320.726651][ T8367]  ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[  320.726659][ T8367]  ? 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)
[  320.726662][ T8367]  alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[  320.726667][ T8367]  put_chars (drivers/char/virtio_console.c:1176)
[  320.726670][ T8367]  ? __send_to_port (drivers/char/virtio_console.c:654)
[  320.726671][ T8367]  ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4116 (discriminator 3) kernel/rcu/tree.c:4108 (discriminator 3))
[  320.726675][ T8367]  ? validate_chain (kernel/locking/lockdep.c:3817 (discriminator 2) kernel/locking/lockdep.c:3837 (discriminator 2) kernel/locking/lockdep.c:3892 (discriminator 2))
[  320.726682][ T8367]  hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2))
[  320.726691][ T8367]  ? hvc_write (drivers/tty/hvc/hvc_console.c:501)
[  320.726694][ T8367]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  320.726697][ T8367]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  320.726702][ T8367]  console_emit_next_record (kernel/printk/printk.c:3183)
[  320.726707][ T8367]  ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20)
[  320.726709][ T8367]  ? 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))
[  320.726713][ T8367]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  320.726715][ T8367]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  320.726720][ T8367]  console_flush_one_record (kernel/printk/printk.c:3268)
[  320.726725][ T8367]  ? console_emit_next_record (kernel/printk/printk.c:3150)
[  320.726727][ T8367]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[  320.726735][ T8367]  console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420)
[  320.726738][ T8367]  ? console_flush_one_record (kernel/printk/printk.c:3316)
[  320.726740][ T8367]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  320.726743][ T8367]  ? 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)
[  320.726750][ T8367]  ? __down_trylock_console_sem (kernel/printk/printk.c:334)
[  320.726753][ T8367]  ? vprintk_emit (kernel/printk/printk.c:2478)
[  320.726758][ T8367]  vprintk_emit (kernel/printk/printk.c:2479)
[  320.726764][ T8367]  ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126))
[  320.726769][ T8367]  ? net_disable_timestamp (./include/linux/workqueue.h:761)
[  320.726773][ T8367]  ? net_generic (./include/linux/rcupdate.h:882 ./include/net/netns/generic.h:48) vxlan
[  320.726786][ T8367]  _printk (kernel/printk/printk.c:2504)
[  320.726791][ T8367]  ? snapshot_read.cold (user.c:?)
[  320.726796][ T8367]  ? netdev_name (./include/linux/netdevice.h:5709 (discriminator 1))
[  320.726800][ T8367]  ? __netdev_printk (net/core/dev.c:13148 (discriminator 2))
[  320.726804][ T8367]  netdev_info (net/core/dev.c:13195 (discriminator 3))
[  320.726808][ T8367]  ? netdev_notice (net/core/dev.c:13194)
[  320.726810][ T8367]  ? __netdev_upper_dev_unlink (net/core/dev.c:9094)
[  320.726815][ T8367]  ? synchronize_rcu_expedited (kernel/rcu/tree_exp.h:985)
[  320.726821][ T8367]  ? 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)
[  320.726825][ T8367]  __dev_set_promiscuity.cold (net/core/dev.c:9672 (discriminator 3))
[  320.726829][ T8367]  netif_set_promiscuity (net/core/dev.c:9699)
[  320.726834][ T8367]  dev_set_promiscuity (net/core/dev_api.c:288)
[  320.726836][ T8367]  ? rtnl_is_locked (net/core/rtnetlink.c:169)
[  320.726840][ T8367] ovs_netdev_detach_dev (net/openvswitch/vport-netdev.c:174) openvswitch
[  320.726845][ T8367]  ? netdev_destroy (net/openvswitch/vport-netdev.c:189) openvswitch
[  320.726850][ T8367] netdev_destroy (net/openvswitch/vport-netdev.c:194) openvswitch
[  320.726856][ T8367] ovs_vport_cmd_del (net/openvswitch/datapath.c:2505) openvswitch
[  320.726866][ T8367]  genl_family_rcv_msg_doit (net/netlink/genetlink.c:1114)
[  320.726870][ T8367]  ? genl_family_rcv_msg_attrs_parse.isra.0 (./include/net/netlink.h:785 (discriminator 2))
[  320.726881][ T8367]  ? security_capable (security/security.c:660 (discriminator 11))
[  320.726886][ T8367]  genl_family_rcv_msg (net/netlink/genetlink.c:1194)
[  320.726890][ T8367]  ? genl_family_rcv_msg_dumpit (net/netlink/genetlink.c:1079)
[  320.726894][ T8367]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380)
[  320.726897][ T8367]  ? ovs_dp_detach_port (./include/linux/list.h:1047 (discriminator 2)) openvswitch
[  320.726908][ T8367]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[  320.726917][ T8367]  genl_rcv_msg (net/netlink/genetlink.c:1209)
[  320.726921][ T8367]  netlink_rcv_skb (net/netlink/af_netlink.c:2556)
[  320.726923][ T8367]  ? genl_family_rcv_msg (net/netlink/genetlink.c:1136 (discriminator 2))
[  320.726928][ T8367]  ? netlink_ack (./include/linux/skbuff.h:2718)
[  320.726936][ T8367]  ? 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))
[  320.726939][ T8367]  ? 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))
[  320.726944][ T8367]  genl_rcv (net/netlink/genetlink.c:1218)
[  320.726946][ T8367]  netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[  320.726951][ T8367]  ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[  320.726955][ T8367]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[  320.726960][ T8367]  netlink_sendmsg (net/netlink/af_netlink.c:1900)
[  320.726964][ T8367]  ? netlink_unicast (./include/net/net_namespace.h:422 (discriminator 7))
[  320.726966][ T8367]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[  320.726970][ T8367]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554)
[  320.726976][ T8367]  __sock_sendmsg (net/socket.c:800 (discriminator 4) net/socket.c:815 (discriminator 4))
[  320.726979][ T8367]  ? fdget (fs/file.c:1200 fs/file.c:1208)
[  320.726983][ T8367]  __sys_sendto (net/socket.c:2281)
[  320.726986][ T8367]  ? __ia32_sys_getpeername (net/socket.c:2235)
[  320.726999][ T8367]  ? exc_page_fault (arch/x86/mm/fault.c:1483 arch/x86/mm/fault.c:1536)
[  320.727006][ T8367]  __x64_sys_sendto (net/socket.c:2288 net/socket.c:2284 net/socket.c:2284)
[  320.727008][ T8367]  ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22))
[  320.727012][ T8367]  ? lockdep_hardirqs_on (kernel/locking/lockdep.c:4488)
[  320.727014][ T8367]  ? do_syscall_64 (arch/x86/entry/syscall_64.c:81 (discriminator 44))
[  320.727017][ T8367]  do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84)
[  320.727019][ T8367]  ? exc_page_fault (arch/x86/mm/fault.c:1489 (discriminator 3) arch/x86/mm/fault.c:1536 (discriminator 3))
[  320.727021][ T8367]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[  320.727024][ T8367] RIP: 0033:0x7f619537b312
[  320.727028][ T8367] Code: 08 0f 85 71 41 ff ff 49 89 fb 48 89 f0 48 89 d7 48 89 ce 4c 89 c2 4d 89 ca 4c 8b 44 24 08 4c 8b 4c 24 10 4c 89 5c 24 08 0f 05 <c3> 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 00 f3 0f 1e fa 55 bf 01 00
All code
========
   0:	08 0f                	or     %cl,(%rdi)
   2:	85 71 41             	test   %esi,0x41(%rcx)
   5:	ff                   	(bad)
   6:	ff 49 89             	decl   -0x77(%rcx)
   9:	fb                   	sti
   a:	48 89 f0             	mov    %rsi,%rax
   d:	48 89 d7             	mov    %rdx,%rdi
  10:	48 89 ce             	mov    %rcx,%rsi
  13:	4c 89 c2             	mov    %r8,%rdx
  16:	4d 89 ca             	mov    %r9,%r10
  19:	4c 8b 44 24 08       	mov    0x8(%rsp),%r8
  1e:	4c 8b 4c 24 10       	mov    0x10(%rsp),%r9
  23:	4c 89 5c 24 08       	mov    %r11,0x8(%rsp)
  28:	0f 05                	syscall
  2a:*	c3                   	ret		<-- trapping instruction
  2b:	66 2e 0f 1f 84 00 00 	cs nopw 0x0(%rax,%rax,1)
  32:	00 00 00 
  35:	0f 1f 00             	nopl   (%rax)
  38:	f3 0f 1e fa          	endbr64
  3c:	55                   	push   %rbp
  3d:	bf                   	.byte 0xbf
  3e:	01 00                	add    %eax,(%rax)

Code starting with the faulting instruction
===========================================
   0:	c3                   	ret
   1:	66 2e 0f 1f 84 00 00 	cs nopw 0x0(%rax,%rax,1)
   8:	00 00 00 
   b:	0f 1f 00             	nopl   (%rax)
   e:	f3 0f 1e fa          	endbr64
  12:	55                   	push   %rbp
  13:	bf                   	.byte 0xbf
  14:	01 00                	add    %eax,(%rax)
[  320.727030][ T8367] RSP: 002b:00007fff832c9328 EFLAGS: 00000246 ORIG_RAX: 000000000000002c
[  320.727033][ T8367] RAX: ffffffffffffffda RBX: 00007fff832c9458 RCX: 00007f619537b312
[  320.727034][ T8367] RDX: 0000000000000024 RSI: 00007f6190fe0cf0 RDI: 0000000000000023
[  320.727035][ T8367] RBP: 00007fff832c9350 R08: 00007fff832c94d0 R09: 000000000000000c
[  320.727036][ T8367] R10: 0000000000000000 R11: 0000000000000246 R12: 00007f61931ddfd0
[  320.727037][ T8367] R13: 00007fff832c9458 R14: 00007f6194c9a01a R15: 00007fff832c9848
| [  322.463290][ T8393] softirqs last disabled at (372082): __alloc_skb (./include/linux/bottom_half.h:20 (discriminator 2) net/core/skbuff.c:697 (discriminator 2))
| [  322.463293][ T8393] Preemption disabled at:
| [  322.463293][ T8393] vprintk_emit (kernel/printk/printk.c:2471)
| [  322.463303][ T8393] Tainted: [W]=WARN
[  322.463303][ T8393] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[  322.463305][ T8393] Call Trace:
[  322.463307][ T8393]  <TASK>
[  322.463308][ T8393]  dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120)
[  322.463320][ T8393]  ? vprintk_emit (kernel/printk/printk.c:2471)
[  322.463322][ T8393]  __might_resched.cold (kernel/sched/core.c:9234)
[  322.463327][ T8393]  ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3))
[  322.463331][ T8393]  ? __kmalloc_noprof (./include/linux/sched/mm.h:317 mm/slub.c:4636 mm/slub.c:4974 mm/slub.c:5413 mm/slub.c:5439)
[  322.463335][ T8393]  __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))
[  322.463337][ T8393]  ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[  322.463344][ T8393]  ? 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)
[  322.463347][ T8393]  alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[  322.463351][ T8393]  put_chars (drivers/char/virtio_console.c:1176)
[  322.463354][ T8393]  ? __send_to_port (drivers/char/virtio_console.c:654)
[  322.463355][ T8393]  ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4116 (discriminator 3) kernel/rcu/tree.c:4108 (discriminator 3))
[  322.463359][ T8393]  ? validate_chain (kernel/locking/lockdep.c:3817 (discriminator 2) kernel/locking/lockdep.c:3837 (discriminator 2) kernel/locking/lockdep.c:3892 (discriminator 2))
[  322.463365][ T8393]  hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2))
[  322.463373][ T8393]  ? hvc_write (drivers/tty/hvc/hvc_console.c:501)
[  322.463376][ T8393]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  322.463378][ T8393]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  322.463382][ T8393]  console_emit_next_record (kernel/printk/printk.c:3183)
[  322.463386][ T8393]  ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20)
[  322.463388][ T8393]  ? 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))
[  322.463392][ T8393]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  322.463394][ T8393]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  322.463398][ T8393]  console_flush_one_record (kernel/printk/printk.c:3268)
[  322.463402][ T8393]  ? console_emit_next_record (kernel/printk/printk.c:3150)
[  322.463404][ T8393]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[  322.463410][ T8393]  console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420)
[  322.463413][ T8393]  ? console_flush_one_record (kernel/printk/printk.c:3316)
[  322.463415][ T8393]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  322.463417][ T8393]  ? 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)
[  322.463421][ T8393]  ? __down_trylock_console_sem (kernel/printk/printk.c:334)
[  322.463423][ T8393]  ? vprintk_emit (kernel/printk/printk.c:2478)
[  322.463426][ T8393]  vprintk_emit (kernel/printk/printk.c:2479)
[  322.463429][ T8393]  ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126))
[  322.463431][ T8393]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380)
[  322.463433][ T8393]  ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4116 (discriminator 3) kernel/rcu/tree.c:4108 (discriminator 3))
[  322.463438][ T8393]  _printk (kernel/printk/printk.c:2504)
[  322.463442][ T8393]  ? snapshot_read.cold (user.c:?)
[  322.463446][ T8393]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  322.463447][ T8393]  ? netdev_name (./include/linux/netdevice.h:5709 (discriminator 1))
[  322.463451][ T8393]  ? __netdev_printk (net/core/dev.c:13148 (discriminator 2))
[  322.463455][ T8393]  netdev_info (net/core/dev.c:13195 (discriminator 3))
[  322.463458][ T8393]  ? netdev_notice (net/core/dev.c:13194)
[  322.463460][ T8393]  ? internal_dev_destroy (net/openvswitch/vport-internal_dev.c:178) openvswitch
[  322.463466][ T8393]  ? ww_mutex_lock (kernel/locking/mutex.c:934)
[  322.463472][ T8393]  ? 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)
[  322.463474][ T8393]  __dev_set_promiscuity.cold (net/core/dev.c:9672 (discriminator 3))
[  322.463478][ T8393]  netif_set_promiscuity (net/core/dev.c:9699)
[  322.463483][ T8393]  dev_set_promiscuity (net/core/dev_api.c:288)
[  322.463486][ T8393] internal_dev_destroy (net/openvswitch/vport-internal_dev.c:179) openvswitch
[  322.463492][ T8393] __dp_destroy (net/openvswitch/datapath.c:1969 (discriminator 1)) openvswitch
[  322.463499][ T8393] ovs_dp_cmd_del (net/openvswitch/datapath.c:2003) openvswitch
[  322.463505][ T8393]  genl_family_rcv_msg_doit (net/netlink/genetlink.c:1114)
[  322.463509][ T8393]  ? genl_family_rcv_msg_attrs_parse.isra.0 (./include/net/netlink.h:785 (discriminator 2))
[  322.463517][ T8393]  ? security_capable (security/security.c:660 (discriminator 11))
[  322.463522][ T8393]  genl_family_rcv_msg (net/netlink/genetlink.c:1194)
[  322.463526][ T8393]  ? genl_family_rcv_msg_dumpit (net/netlink/genetlink.c:1079)
[  322.463529][ T8393]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380)
[  322.463531][ T8393]  ? __dp_destroy (./include/linux/list.h:242 (discriminator 2) ./include/linux/list.h:264 (discriminator 2) ./include/linux/rculist.h:178 (discriminator 2) net/openvswitch/datapath.c:1964 (discriminator 2)) openvswitch
[  322.463535][ T8393]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[  322.463541][ T8393]  genl_rcv_msg (net/netlink/genetlink.c:1209)
[  322.463545][ T8393]  netlink_rcv_skb (net/netlink/af_netlink.c:2556)
[  322.463547][ T8393]  ? genl_family_rcv_msg (net/netlink/genetlink.c:1136 (discriminator 2))
[  322.463551][ T8393]  ? netlink_ack (./include/linux/skbuff.h:2718)
[  322.463558][ T8393]  ? 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))
[  322.463560][ T8393]  ? 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))
[  322.463564][ T8393]  genl_rcv (net/netlink/genetlink.c:1218)
[  322.463567][ T8393]  netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[  322.463571][ T8393]  ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[  322.463575][ T8393]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[  322.463579][ T8393]  netlink_sendmsg (net/netlink/af_netlink.c:1900)
[  322.463583][ T8393]  ? netlink_unicast (./include/net/net_namespace.h:422 (discriminator 7))
[  322.463585][ T8393]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[  322.463588][ T8393]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554)
[  322.463593][ T8393]  __sock_sendmsg (net/socket.c:800 (discriminator 4) net/socket.c:815 (discriminator 4))
[  322.463596][ T8393]  ? fdget (fs/file.c:1200 fs/file.c:1208)
[  322.463600][ T8393]  __sys_sendto (net/socket.c:2281)
[  322.463603][ T8393]  ? __ia32_sys_getpeername (net/socket.c:2235)
[  322.463609][ T8393]  ? do_futex (kernel/futex/syscalls.c:138)
[  322.463612][ T8393]  ? __ia32_sys_get_robust_list (kernel/futex/syscalls.c:94)
[  322.463619][ T8393]  ? do_futex (kernel/futex/syscalls.c:153 (discriminator 1))
[  322.463623][ T8393]  __x64_sys_sendto (net/socket.c:2288 net/socket.c:2284 net/socket.c:2284)
[  322.463626][ T8393]  ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22))
[  322.463629][ T8393]  ? lockdep_hardirqs_on (kernel/locking/lockdep.c:4488)
[  322.463632][ T8393]  ? do_syscall_64 (arch/x86/entry/syscall_64.c:81 (discriminator 44))
[  322.463634][ T8393]  do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84)
[  322.463637][ T8393]  ? exc_page_fault (arch/x86/mm/fault.c:1489 (discriminator 3) arch/x86/mm/fault.c:1536 (discriminator 3))
[  322.463639][ T8393]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[  322.463642][ T8393] RIP: 0033:0x7f0672a3b312
[  322.463645][ T8393] Code: 08 0f 85 71 41 ff ff 49 89 fb 48 89 f0 48 89 d7 48 89 ce 4c 89 c2 4d 89 ca 4c 8b 44 24 08 4c 8b 4c 24 10 4c 89 5c 24 08 0f 05 <c3> 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 00 f3 0f 1e fa 55 bf 01 00
All code
========
   0:	08 0f                	or     %cl,(%rdi)
   2:	85 71 41             	test   %esi,0x41(%rcx)
   5:	ff                   	(bad)
   6:	ff 49 89             	decl   -0x77(%rcx)
   9:	fb                   	sti
   a:	48 89 f0             	mov    %rsi,%rax
   d:	48 89 d7             	mov    %rdx,%rdi
  10:	48 89 ce             	mov    %rcx,%rsi
  13:	4c 89 c2             	mov    %r8,%rdx
  16:	4d 89 ca             	mov    %r9,%r10
  19:	4c 8b 44 24 08       	mov    0x8(%rsp),%r8
  1e:	4c 8b 4c 24 10       	mov    0x10(%rsp),%r9
  23:	4c 89 5c 24 08       	mov    %r11,0x8(%rsp)
  28:	0f 05                	syscall
  2a:*	c3                   	ret		<-- trapping instruction
  2b:	66 2e 0f 1f 84 00 00 	cs nopw 0x0(%rax,%rax,1)
  32:	00 00 00 
  35:	0f 1f 00             	nopl   (%rax)
  38:	f3 0f 1e fa          	endbr64
  3c:	55                   	push   %rbp
  3d:	bf                   	.byte 0xbf
  3e:	01 00                	add    %eax,(%rax)

Code starting with the faulting instruction
===========================================
   0:	c3                   	ret
   1:	66 2e 0f 1f 84 00 00 	cs nopw 0x0(%rax,%rax,1)
   8:	00 00 00 
   b:	0f 1f 00             	nopl   (%rax)
   e:	f3 0f 1e fa          	endbr64
  12:	55                   	push   %rbp
  13:	bf                   	.byte 0xbf
  14:	01 00                	add    %eax,(%rax)
[  322.463647][ T8393] RSP: 002b:00007ffe037a1df8 EFLAGS: 00000246 ORIG_RAX: 000000000000002c
[  322.463650][ T8393] RAX: ffffffffffffffda RBX: 00007ffe037a1f28 RCX: 00007f0672a3b312
[  322.463652][ T8393] RDX: 0000000000000024 RSI: 00007f066e616af0 RDI: 0000000000000020
[  322.463653][ T8393] RBP: 00007ffe037a1e20 R08: 00007ffe037a1fa0 R09: 000000000000000c
[  322.463654][ T8393] R10: 0000000000000000 R11: 0000000000000246 R12: 00007f067089de10
[  322.463655][ T8393] R13: 00007ffe037a1f28 R14: 00007f067235a01a R15: 00007ffe037a2318
| [  326.582358][ T8500] softirqs last disabled at (395896): __alloc_skb (./include/linux/bottom_half.h:20 (discriminator 2) net/core/skbuff.c:697 (discriminator 2))
| [  326.582360][ T8500] Preemption disabled at:
| [  326.582361][ T8500] vprintk_emit (kernel/printk/printk.c:2471)
| [  326.582370][ T8500] Tainted: [W]=WARN
[  326.582371][ T8500] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[  326.582373][ T8500] Call Trace:
[  326.582374][ T8500]  <TASK>
[  326.582376][ T8500]  dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120)
[  326.582382][ T8500]  ? vprintk_emit (kernel/printk/printk.c:2471)
[  326.582383][ T8500]  __might_resched.cold (kernel/sched/core.c:9234)
[  326.582388][ T8500]  ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3))
[  326.582392][ T8500]  ? __kmalloc_noprof (./include/linux/sched/mm.h:317 mm/slub.c:4636 mm/slub.c:4974 mm/slub.c:5413 mm/slub.c:5439)
[  326.582396][ T8500]  __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))
[  326.582399][ T8500]  ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[  326.582406][ T8500]  ? 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)
[  326.582409][ T8500]  alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[  326.582412][ T8500]  put_chars (drivers/char/virtio_console.c:1176)
[  326.582415][ T8500]  ? __send_to_port (drivers/char/virtio_console.c:654)
[  326.582418][ T8500]  ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4116 (discriminator 3) kernel/rcu/tree.c:4108 (discriminator 3))
[  326.582421][ T8500]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380)
[  326.582424][ T8500]  ? validate_chain (kernel/locking/lockdep.c:3817 (discriminator 2) kernel/locking/lockdep.c:3837 (discriminator 2) kernel/locking/lockdep.c:3892 (discriminator 2))
[  326.582428][ T8500]  hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2))
[  326.582432][ T8500]  ? mark_usage (kernel/locking/lockdep.c:4690)
[  326.582434][ T8500]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[  326.582435][ T8500]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[  326.582440][ T8500]  ? hvc_write (drivers/tty/hvc/hvc_console.c:501)
[  326.582442][ T8500]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2))
[  326.582446][ T8500]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  326.582450][ T8500]  console_emit_next_record (kernel/printk/printk.c:3183)
[  326.582454][ T8500]  ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20)
[  326.582456][ T8500]  ? 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))
[  326.582460][ T8500]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  326.582462][ T8500]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  326.582466][ T8500]  console_flush_one_record (kernel/printk/printk.c:3268)
[  326.582470][ T8500]  ? console_emit_next_record (kernel/printk/printk.c:3150)
[  326.582472][ T8500]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[  326.582478][ T8500]  console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420)
[  326.582481][ T8500]  ? console_flush_one_record (kernel/printk/printk.c:3316)
[  326.582482][ T8500]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  326.582484][ T8500]  ? 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)
[  326.582488][ T8500]  ? __down_trylock_console_sem (kernel/printk/printk.c:334)
[  326.582490][ T8500]  ? vprintk_emit (kernel/printk/printk.c:2478)
[  326.582493][ T8500]  vprintk_emit (kernel/printk/printk.c:2479)
[  326.582496][ T8500]  ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126))
[  326.582498][ T8500]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554)
[  326.582500][ T8500]  ? genl_family_rcv_msg (net/netlink/genetlink.c:1194)
[  326.582505][ T8500]  _printk (kernel/printk/printk.c:2504)
[  326.582509][ T8500]  ? snapshot_read.cold (user.c:?)
[  326.582510][ T8500]  ? ___ratelimit (lib/ratelimit.c:97 (discriminator 3))
[  326.582517][ T8500]  ? idr_get_free (??:?)
[  326.582521][ T8500]  validate_nla.cold (lib/nlattr.c:414 (discriminator 4))
[  326.582531][ T8500]  ? nla_get_range_signed (lib/nlattr.c:270)
[  326.582537][ T8500]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  326.582539][ T8500]  ? trace_kmalloc (./include/trace/events/kmem.h:57 (discriminator 22))
[  326.582544][ T8500]  __nla_validate_parse (lib/nlattr.c:635)
[  326.582548][ T8500]  __nla_parse (lib/nlattr.c:732)
[  326.582551][ T8500]  genl_family_rcv_msg_attrs_parse.isra.0 (./include/net/netlink.h:789 (discriminator 2) net/netlink/genetlink.c:944 (discriminator 2))
[  326.582556][ T8500]  genl_family_rcv_msg_doit (net/netlink/genetlink.c:1092)
[  326.582560][ T8500]  ? genl_family_rcv_msg_attrs_parse.isra.0 (./include/net/netlink.h:785 (discriminator 2))
[  326.582568][ T8500]  ? security_capable (security/security.c:660 (discriminator 11))
[  326.582573][ T8500]  genl_family_rcv_msg (net/netlink/genetlink.c:1194)
[  326.582576][ T8500]  ? genl_family_rcv_msg_dumpit (net/netlink/genetlink.c:1079)
[  326.582579][ T8500]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380)
[  326.582582][ T8500]  ? ovs_dp_cmd_get (./include/net/net_namespace.h:422 (discriminator 7)) openvswitch
[  326.582591][ T8500]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[  326.582597][ T8500]  genl_rcv_msg (net/netlink/genetlink.c:1209)
[  326.582600][ T8500]  netlink_rcv_skb (net/netlink/af_netlink.c:2556)
[  326.582602][ T8500]  ? genl_family_rcv_msg (net/netlink/genetlink.c:1136 (discriminator 2))
[  326.582606][ T8500]  ? netlink_ack (./include/linux/skbuff.h:2718)
[  326.582613][ T8500]  ? 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))
[  326.582615][ T8500]  ? 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))
[  326.582619][ T8500]  genl_rcv (net/netlink/genetlink.c:1218)
[  326.582621][ T8500]  netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[  326.582625][ T8500]  ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[  326.582629][ T8500]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[  326.582633][ T8500]  netlink_sendmsg (net/netlink/af_netlink.c:1900)
[  326.582637][ T8500]  ? netlink_unicast (./include/net/net_namespace.h:422 (discriminator 7))
[  326.582639][ T8500]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[  326.582642][ T8500]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554)
[  326.582647][ T8500]  __sock_sendmsg (net/socket.c:800 (discriminator 4) net/socket.c:815 (discriminator 4))
[  326.582649][ T8500]  ? fdget (fs/file.c:1200 fs/file.c:1208)
[  326.582653][ T8500]  __sys_sendto (net/socket.c:2281)
[  326.582657][ T8500]  ? __ia32_sys_getpeername (net/socket.c:2235)
[  326.582668][ T8500]  ? fput_close_sync (fs/file_table.c:617)
[  326.582671][ T8500]  ? alloc_file_clone (fs/file_table.c:479)
[  326.582675][ T8500]  __x64_sys_sendto (net/socket.c:2288 net/socket.c:2284 net/socket.c:2284)
[  326.582678][ T8500]  ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22))
[  326.582682][ T8500]  ? lockdep_hardirqs_on (kernel/locking/lockdep.c:4488)
[  326.582684][ T8500]  ? do_syscall_64 (arch/x86/entry/syscall_64.c:81 (discriminator 44))
[  326.582686][ T8500]  do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84)
[  326.582688][ T8500]  ? exc_page_fault (arch/x86/mm/fault.c:1489 (discriminator 3) arch/x86/mm/fault.c:1536 (discriminator 3))
[  326.582691][ T8500]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[  326.582693][ T8500] RIP: 0033:0x7f8b100e9312
[  326.582697][ T8500] Code: 08 0f 85 71 41 ff ff 49 89 fb 48 89 f0 48 89 d7 48 89 ce 4c 89 c2 4d 89 ca 4c 8b 44 24 08 4c 8b 4c 24 10 4c 89 5c 24 08 0f 05 <c3> 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 00 f3 0f 1e fa 55 bf 01 00
All code
========
   0:	08 0f                	or     %cl,(%rdi)
   2:	85 71 41             	test   %esi,0x41(%rcx)
   5:	ff                   	(bad)
   6:	ff 49 89             	decl   -0x77(%rcx)
   9:	fb                   	sti
   a:	48 89 f0             	mov    %rsi,%rax
   d:	48 89 d7             	mov    %rdx,%rdi
  10:	48 89 ce             	mov    %rcx,%rsi
  13:	4c 89 c2             	mov    %r8,%rdx
  16:	4d 89 ca             	mov    %r9,%r10
  19:	4c 8b 44 24 08       	mov    0x8(%rsp),%r8
  1e:	4c 8b 4c 24 10       	mov    0x10(%rsp),%r9
  23:	4c 89 5c 24 08       	mov    %r11,0x8(%rsp)
  28:	0f 05                	syscall
  2a:*	c3                   	ret		<-- trapping instruction
  2b:	66 2e 0f 1f 84 00 00 	cs nopw 0x0(%rax,%rax,1)
  32:	00 00 00 
  35:	0f 1f 00             	nopl   (%rax)
  38:	f3 0f 1e fa          	endbr64
  3c:	55                   	push   %rbp
  3d:	bf                   	.byte 0xbf
  3e:	01 00                	add    %eax,(%rax)

Code starting with the faulting instruction
===========================================
   0:	c3                   	ret
   1:	66 2e 0f 1f 84 00 00 	cs nopw 0x0(%rax,%rax,1)
   8:	00 00 00 
   b:	0f 1f 00             	nopl   (%rax)
   e:	f3 0f 1e fa          	endbr64
  12:	55                   	push   %rbp
  13:	bf                   	.byte 0xbf
  14:	01 00                	add    %eax,(%rax)
[  326.582699][ T8500] RSP: 002b:00007fffda0f6898 EFLAGS: 00000246 ORIG_RAX: 000000000000002c
[  326.582702][ T8500] RAX: ffffffffffffffda RBX: 00007fffda0f69c8 RCX: 00007f8b100e9312
[  326.582703][ T8500] RDX: 0000000000000044 RSI: 00007f8b0de13460 RDI: 0000000000000020
[  326.582704][ T8500] RBP: 00007fffda0f68c0 R08: 00007fffda0f6a40 R09: 000000000000000c
[  326.582705][ T8500] R10: 0000000000000000 R11: 0000000000000246 R12: 00007f8b0df460b0
[  326.582706][ T8500] R13: 00007fffda0f69c8 R14: 00007f8b0fa0801a R15: 00007fffda0f6db8
| [  327.863225][ T8532] softirqs last disabled at (390239): __irq_exit_rcu (kernel/softirq.c:679 kernel/softirq.c:519 kernel/softirq.c:767)
| [  327.863227][ T8532] Preemption disabled at:
| [  327.863228][ T8532] vprintk_emit (kernel/printk/printk.c:2471)
| [  327.863237][ T8532] Tainted: [W]=WARN
[  327.863238][ T8532] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[  327.863239][ T8532] Call Trace:
[  327.863241][ T8532]  <TASK>
[  327.863243][ T8532]  dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120)
[  327.863249][ T8532]  ? vprintk_emit (kernel/printk/printk.c:2471)
[  327.863251][ T8532]  __might_resched.cold (kernel/sched/core.c:9234)
[  327.863255][ T8532]  ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3))
[  327.863259][ T8532]  ? __kmalloc_noprof (./include/linux/sched/mm.h:317 mm/slub.c:4636 mm/slub.c:4974 mm/slub.c:5413 mm/slub.c:5439)
[  327.863264][ T8532]  __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))
[  327.863266][ T8532]  ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[  327.863273][ T8532]  ? 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)
[  327.863276][ T8532]  alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[  327.863280][ T8532]  put_chars (drivers/char/virtio_console.c:1176)
[  327.863282][ T8532]  ? __send_to_port (drivers/char/virtio_console.c:654)
[  327.863286][ T8532]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380)
[  327.863289][ T8532]  ? validate_chain (kernel/locking/lockdep.c:3817 (discriminator 2) kernel/locking/lockdep.c:3837 (discriminator 2) kernel/locking/lockdep.c:3892 (discriminator 2))
[  327.863293][ T8532]  hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2))
[  327.863298][ T8532]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[  327.863300][ T8532]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[  327.863304][ T8532]  ? hvc_write (drivers/tty/hvc/hvc_console.c:501)
[  327.863308][ T8532]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  327.863311][ T8532]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  327.863315][ T8532]  console_emit_next_record (kernel/printk/printk.c:3183)
[  327.863319][ T8532]  ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20)
[  327.863321][ T8532]  ? 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))
[  327.863325][ T8532]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  327.863327][ T8532]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  327.863331][ T8532]  console_flush_one_record (kernel/printk/printk.c:3268)
[  327.863335][ T8532]  ? console_emit_next_record (kernel/printk/printk.c:3150)
[  327.863338][ T8532]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[  327.863343][ T8532]  console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420)
[  327.863353][ T8532]  ? console_flush_one_record (kernel/printk/printk.c:3316)
[  327.863355][ T8532]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  327.863357][ T8532]  ? 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)
[  327.863361][ T8532]  ? __down_trylock_console_sem (kernel/printk/printk.c:334)
[  327.863363][ T8532]  ? vprintk_emit (kernel/printk/printk.c:2478)
[  327.863366][ T8532]  vprintk_emit (kernel/printk/printk.c:2479)
[  327.863370][ T8532]  ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126))
[  327.863376][ T8532]  _printk (kernel/printk/printk.c:2504)
[  327.863379][ T8532]  ? snapshot_read.cold (user.c:?)
[  327.863382][ T8532]  ? lockdep_rtnl_is_held (./include/linux/lockdep.h:249 net/core/rtnetlink.c:182)
[  327.863385][ T8532]  ? netdev_upper_get_next_dev_rcu (net/core/dev.c:8213 (discriminator 5))
[  327.863389][ T8532]  ? __netdev_update_features (net/core/dev.c:11078 (discriminator 2))
[  327.863391][ T8532]  ? netdev_name (./include/linux/netdevice.h:5709 (discriminator 1))
[  327.863395][ T8532]  ? __netdev_printk (net/core/dev.c:13148 (discriminator 2))
[  327.863399][ T8532]  netdev_info (net/core/dev.c:13195 (discriminator 3))
[  327.863402][ T8532]  ? netdev_notice (net/core/dev.c:13194)
[  327.863404][ T8532]  ? ovs_netdev_link (net/openvswitch/vport-netdev.c:85) openvswitch
[  327.863413][ T8532]  ? 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)
[  327.863416][ T8532]  __dev_set_promiscuity.cold (net/core/dev.c:9672 (discriminator 3))
[  327.863420][ T8532]  netif_set_promiscuity (net/core/dev.c:9699)
[  327.863424][ T8532]  dev_set_promiscuity (net/core/dev_api.c:288)
[  327.863426][ T8532]  ? dev_disable_lro (net/core/dev_api.c:267)
[  327.863428][ T8532] ovs_netdev_link (net/openvswitch/vport-netdev.c:106) openvswitch
[  327.863434][ T8532] ovs_vport_add (net/openvswitch/vport.c:209) openvswitch
[  327.863439][ T8532] new_vport (net/openvswitch/datapath.c:203) openvswitch
[  327.863444][ T8532]  ? ovs_lookup_vport (./include/linux/lockdep.h:249 net/openvswitch/datapath.c:120 net/openvswitch/datapath.c:117 net/openvswitch/datapath.c:190) openvswitch
[  327.863448][ T8532] ovs_vport_cmd_new (net/openvswitch/datapath.c:2389) openvswitch
[  327.863455][ T8532]  ? ovs_vport_cmd_fill_info.isra.0 (./include/net/netlink.h:1107 (discriminator 1)) openvswitch
[  327.863458][ T8532]  ? __nla_validate_parse (lib/nlattr.c:635)
[  327.863465][ T8532]  ? __nla_parse (lib/nlattr.c:732)
[  327.863467][ T8532]  ? genl_family_rcv_msg_attrs_parse.isra.0 (./include/net/netlink.h:789 (discriminator 2) net/netlink/genetlink.c:944 (discriminator 2))
[  327.863472][ T8532]  genl_family_rcv_msg_doit (net/netlink/genetlink.c:1114)
[  327.863476][ T8532]  ? genl_family_rcv_msg_attrs_parse.isra.0 (./include/net/netlink.h:785 (discriminator 2))
[  327.863485][ T8532]  ? security_capable (security/security.c:660 (discriminator 11))
[  327.863489][ T8532]  genl_family_rcv_msg (net/netlink/genetlink.c:1194)
[  327.863494][ T8532]  ? genl_family_rcv_msg_dumpit (net/netlink/genetlink.c:1079)
[  327.863496][ T8532]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380)
[  327.863498][ T8532]  ? ovs_vport_cmd_fill_info.isra.0 (./include/net/netlink.h:1107 (discriminator 1)) openvswitch
[  327.863503][ T8532]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[  327.863509][ T8532]  genl_rcv_msg (net/netlink/genetlink.c:1209)
[  327.863513][ T8532]  netlink_rcv_skb (net/netlink/af_netlink.c:2556)
[  327.863515][ T8532]  ? genl_family_rcv_msg (net/netlink/genetlink.c:1136 (discriminator 2))
[  327.863518][ T8532]  ? netlink_ack (./include/linux/skbuff.h:2718)
[  327.863526][ T8532]  ? 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))
[  327.863528][ T8532]  ? 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))
[  327.863532][ T8532]  genl_rcv (net/netlink/genetlink.c:1218)
[  327.863534][ T8532]  netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[  327.863539][ T8532]  ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[  327.863540][ T8532]  ? _raw_spin_unlock_irqrestore (./include/linux/spinlock_api_smp.h:210 (discriminator 6) kernel/locking/spinlock.c:221 (discriminator 6))
[  327.863546][ T8532]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[  327.863549][ T8532]  netlink_sendmsg (net/netlink/af_netlink.c:1900)
[  327.863554][ T8532]  ? netlink_unicast (./include/net/net_namespace.h:422 (discriminator 7))
[  327.863555][ T8532]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[  327.863559][ T8532]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554)
[  327.863564][ T8532]  __sock_sendmsg (net/socket.c:800 (discriminator 4) net/socket.c:815 (discriminator 4))
[  327.863567][ T8532]  ? fdget (fs/file.c:1200 fs/file.c:1208)
[  327.863570][ T8532]  __sys_sendto (net/socket.c:2281)
[  327.863574][ T8532]  ? __ia32_sys_getpeername (net/socket.c:2235)
[  327.863580][ T8532]  ? rcutree_report_cpu_dead (kernel/rcu/tree.c:4507)
[  327.863589][ T8532]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554)
[  327.863593][ T8532]  __x64_sys_sendto (net/socket.c:2288 net/socket.c:2284 net/socket.c:2284)
[  327.863595][ T8532]  ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22))
[  327.863599][ T8532]  ? lockdep_hardirqs_on (kernel/locking/lockdep.c:4488)
[  327.863601][ T8532]  ? do_syscall_64 (arch/x86/entry/syscall_64.c:81 (discriminator 44))
[  327.863604][ T8532]  do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84)
[  327.863606][ T8532]  ? irq_exit_rcu (kernel/softirq.c:786)
[  327.863609][ T8532]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[  327.863611][ T8532] RIP: 0033:0x7f0712765312
[  327.863615][ T8532] Code: 08 0f 85 71 41 ff ff 49 89 fb 48 89 f0 48 89 d7 48 89 ce 4c 89 c2 4d 89 ca 4c 8b 44 24 08 4c 8b 4c 24 10 4c 89 5c 24 08 0f 05 <c3> 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 00 f3 0f 1e fa 55 bf 01 00
All code
========
   0:	08 0f                	or     %cl,(%rdi)
   2:	85 71 41             	test   %esi,0x41(%rcx)
   5:	ff                   	(bad)
   6:	ff 49 89             	decl   -0x77(%rcx)
   9:	fb                   	sti
   a:	48 89 f0             	mov    %rsi,%rax
   d:	48 89 d7             	mov    %rdx,%rdi
  10:	48 89 ce             	mov    %rcx,%rsi
  13:	4c 89 c2             	mov    %r8,%rdx
  16:	4d 89 ca             	mov    %r9,%r10
  19:	4c 8b 44 24 08       	mov    0x8(%rsp),%r8
  1e:	4c 8b 4c 24 10       	mov    0x10(%rsp),%r9
  23:	4c 89 5c 24 08       	mov    %r11,0x8(%rsp)
  28:	0f 05                	syscall
  2a:*	c3                   	ret		<-- trapping instruction
  2b:	66 2e 0f 1f 84 00 00 	cs nopw 0x0(%rax,%rax,1)
  32:	00 00 00 
  35:	0f 1f 00             	nopl   (%rax)
  38:	f3 0f 1e fa          	endbr64
  3c:	55                   	push   %rbp
  3d:	bf                   	.byte 0xbf
  3e:	01 00                	add    %eax,(%rax)

Code starting with the faulting instruction
===========================================
   0:	c3                   	ret
   1:	66 2e 0f 1f 84 00 00 	cs nopw 0x0(%rax,%rax,1)
   8:	00 00 00 
   b:	0f 1f 00             	nopl   (%rax)
   e:	f3 0f 1e fa          	endbr64
  12:	55                   	push   %rbp
  13:	bf                   	.byte 0xbf
  14:	01 00                	add    %eax,(%rax)
[  327.863617][ T8532] RSP: 002b:00007fffe2d3cb98 EFLAGS: 00000246 ORIG_RAX: 000000000000002c
[  327.863620][ T8532] RAX: ffffffffffffffda RBX: 00007fffe2d3ccc8 RCX: 00007f0712765312
[  327.863621][ T8532] RDX: 0000000000000038 RSI: 00007f070e346470 RDI: 0000000000000023
[  327.863622][ T8532] RBP: 00007fffe2d3cbc0 R08: 00007fffe2d3cd40 R09: 000000000000000c
[  327.863623][ T8532] R10: 0000000000000000 R11: 0000000000000246 R12: 00007f07105c2190
[  327.863624][ T8532] R13: 00007fffe2d3ccc8 R14: 00007f071208401a R15: 00007fffe2d3d0b8
| [  329.027228][ T8559] softirqs last disabled at (380608): inet6_fill_ifla6_attrs (net/ipv6/addrconf.c:5883)
| [  329.027230][ T8559] Preemption disabled at:
| [  329.027230][ T8559] vprintk_emit (kernel/printk/printk.c:2471)
| [  329.027240][ T8559] Tainted: [W]=WARN
[  329.027241][ T8559] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[  329.027243][ T8559] Call Trace:
[  329.027244][ T8559]  <TASK>
[  329.027246][ T8559]  dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120)
[  329.027253][ T8559]  ? vprintk_emit (kernel/printk/printk.c:2471)
[  329.027255][ T8559]  __might_resched.cold (kernel/sched/core.c:9234)
[  329.027260][ T8559]  ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3))
[  329.027265][ T8559]  ? __kmalloc_noprof (./include/linux/sched/mm.h:317 mm/slub.c:4636 mm/slub.c:4974 mm/slub.c:5413 mm/slub.c:5439)
[  329.027270][ T8559]  __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))
[  329.027273][ T8559]  ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[  329.027280][ T8559]  ? 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)
[  329.027284][ T8559]  alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[  329.027288][ T8559]  put_chars (drivers/char/virtio_console.c:1176)
[  329.027291][ T8559]  ? __send_to_port (drivers/char/virtio_console.c:654)
[  329.027296][ T8559]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380)
[  329.027299][ T8559]  ? validate_chain (kernel/locking/lockdep.c:3817 (discriminator 2) kernel/locking/lockdep.c:3837 (discriminator 2) kernel/locking/lockdep.c:3892 (discriminator 2))
[  329.027305][ T8559]  hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2))
[  329.027309][ T8559]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[  329.027311][ T8559]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[  329.027317][ T8559]  ? hvc_write (drivers/tty/hvc/hvc_console.c:501)
[  329.027322][ T8559]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  329.027325][ T8559]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  329.027332][ T8559]  console_emit_next_record (kernel/printk/printk.c:3183)
[  329.027340][ T8559]  ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20)
[  329.027343][ T8559]  ? 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))
[  329.027348][ T8559]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  329.027350][ T8559]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  329.027362][ T8559]  console_flush_one_record (kernel/printk/printk.c:3268)
[  329.027367][ T8559]  ? console_emit_next_record (kernel/printk/printk.c:3150)
[  329.027370][ T8559]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[  329.027377][ T8559]  console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420)
[  329.027380][ T8559]  ? console_flush_one_record (kernel/printk/printk.c:3316)
[  329.027383][ T8559]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  329.027385][ T8559]  ? 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)
[  329.027390][ T8559]  ? __down_trylock_console_sem (kernel/printk/printk.c:334)
[  329.027392][ T8559]  ? vprintk_emit (kernel/printk/printk.c:2478)
[  329.027395][ T8559]  vprintk_emit (kernel/printk/printk.c:2479)
[  329.027399][ T8559]  ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126))
[  329.027406][ T8559]  _printk (kernel/printk/printk.c:2504)
[  329.027410][ T8559]  ? snapshot_read.cold (user.c:?)
[  329.027414][ T8559]  ? lockdep_rtnl_is_held (./include/linux/lockdep.h:249 net/core/rtnetlink.c:182)
[  329.027417][ T8559]  ? netdev_upper_get_next_dev_rcu (net/core/dev.c:8213 (discriminator 5))
[  329.027421][ T8559]  ? 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)
[  329.027423][ T8559]  ? __netdev_update_features (net/core/dev.c:11078 (discriminator 2))
[  329.027425][ T8559]  ? netdev_name (./include/linux/netdevice.h:5709 (discriminator 1))
[  329.027430][ T8559]  ? __netdev_printk (net/core/dev.c:13148 (discriminator 2))
[  329.027434][ T8559]  netdev_info (net/core/dev.c:13195 (discriminator 3))
[  329.027438][ T8559]  ? netdev_notice (net/core/dev.c:13194)
[  329.027440][ T8559]  ? ovs_netdev_link (net/openvswitch/vport-netdev.c:85) openvswitch
[  329.027452][ T8559]  ? 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)
[  329.027455][ T8559]  __dev_set_promiscuity.cold (net/core/dev.c:9672 (discriminator 3))
[  329.027459][ T8559]  netif_set_promiscuity (net/core/dev.c:9699)
[  329.027464][ T8559]  dev_set_promiscuity (net/core/dev_api.c:288)
[  329.027466][ T8559]  ? dev_disable_lro (net/core/dev_api.c:267)
[  329.027469][ T8559] ovs_netdev_link (net/openvswitch/vport-netdev.c:106) openvswitch
[  329.027475][ T8559] ovs_vport_add (net/openvswitch/vport.c:209) openvswitch
[  329.027481][ T8559] new_vport (net/openvswitch/datapath.c:203) openvswitch
[  329.027486][ T8559]  ? ovs_lookup_vport (./include/linux/lockdep.h:249 net/openvswitch/datapath.c:120 net/openvswitch/datapath.c:117 net/openvswitch/datapath.c:190) openvswitch
[  329.027491][ T8559] ovs_vport_cmd_new (net/openvswitch/datapath.c:2389) openvswitch
[  329.027498][ T8559]  ? ovs_vport_cmd_fill_info.isra.0 (./include/net/netlink.h:1107 (discriminator 1)) openvswitch
[  329.027502][ T8559]  ? __nla_validate_parse (lib/nlattr.c:635)
[  329.027508][ T8559]  ? __nla_parse (lib/nlattr.c:732)
[  329.027511][ T8559]  ? genl_family_rcv_msg_attrs_parse.isra.0 (./include/net/netlink.h:789 (discriminator 2) net/netlink/genetlink.c:944 (discriminator 2))
[  329.027518][ T8559]  genl_family_rcv_msg_doit (net/netlink/genetlink.c:1114)
[  329.027522][ T8559]  ? genl_family_rcv_msg_attrs_parse.isra.0 (./include/net/netlink.h:785 (discriminator 2))
[  329.027533][ T8559]  ? security_capable (security/security.c:660 (discriminator 11))
[  329.027538][ T8559]  genl_family_rcv_msg (net/netlink/genetlink.c:1194)
[  329.027543][ T8559]  ? genl_family_rcv_msg_dumpit (net/netlink/genetlink.c:1079)
[  329.027546][ T8559]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380)
[  329.027549][ T8559]  ? ovs_vport_cmd_fill_info.isra.0 (./include/net/netlink.h:1107 (discriminator 1)) openvswitch
[  329.027554][ T8559]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[  329.027561][ T8559]  genl_rcv_msg (net/netlink/genetlink.c:1209)
[  329.027566][ T8559]  netlink_rcv_skb (net/netlink/af_netlink.c:2556)
[  329.027568][ T8559]  ? genl_family_rcv_msg (net/netlink/genetlink.c:1136 (discriminator 2))
[  329.027573][ T8559]  ? netlink_ack (./include/linux/skbuff.h:2718)
[  329.027582][ T8559]  ? 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))
[  329.027584][ T8559]  ? 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))
[  329.027589][ T8559]  genl_rcv (net/netlink/genetlink.c:1218)
[  329.027592][ T8559]  netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[  329.027597][ T8559]  ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[  329.027599][ T8559]  ? _raw_spin_unlock_irqrestore (./include/linux/spinlock_api_smp.h:210 (discriminator 6) kernel/locking/spinlock.c:221 (discriminator 6))
[  329.027606][ T8559]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[  329.027610][ T8559]  netlink_sendmsg (net/netlink/af_netlink.c:1900)
[  329.027615][ T8559]  ? netlink_unicast (./include/net/net_namespace.h:422 (discriminator 7))
[  329.027618][ T8559]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[  329.027622][ T8559]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554)
[  329.027628][ T8559]  __sock_sendmsg (net/socket.c:800 (discriminator 4) net/socket.c:815 (discriminator 4))
[  329.027631][ T8559]  ? fdget (fs/file.c:1200 fs/file.c:1208)
[  329.027635][ T8559]  __sys_sendto (net/socket.c:2281)
[  329.027639][ T8559]  ? __ia32_sys_getpeername (net/socket.c:2235)
[  329.027647][ T8559]  ? rcutree_report_cpu_dead (kernel/rcu/tree.c:4507)
[  329.027656][ T8559]  ? xfd_validate_state (arch/x86/kernel/fpu/xstate.c:1497 (discriminator 1) arch/x86/kernel/fpu/xstate.c:1543 (discriminator 1))
[  329.027666][ T8559]  __x64_sys_sendto (net/socket.c:2288 net/socket.c:2284 net/socket.c:2284)
[  329.027669][ T8559]  ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22))
[  329.027674][ T8559]  ? lockdep_hardirqs_on (kernel/locking/lockdep.c:4488)
[  329.027676][ T8559]  ? do_syscall_64 (arch/x86/entry/syscall_64.c:81 (discriminator 44))
[  329.027680][ T8559]  do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84)
[  329.027682][ T8559]  ? irq_exit_rcu (kernel/softirq.c:786)
[  329.027687][ T8559]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[  329.027690][ T8559] RIP: 0033:0x7f7ad7414312
[  329.027694][ T8559] Code: 08 0f 85 71 41 ff ff 49 89 fb 48 89 f0 48 89 d7 48 89 ce 4c 89 c2 4d 89 ca 4c 8b 44 24 08 4c 8b 4c 24 10 4c 89 5c 24 08 0f 05 <c3> 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 00 f3 0f 1e fa 55 bf 01 00
All code
========
   0:	08 0f                	or     %cl,(%rdi)
   2:	85 71 41             	test   %esi,0x41(%rcx)
   5:	ff                   	(bad)
   6:	ff 49 89             	decl   -0x77(%rcx)
   9:	fb                   	sti
   a:	48 89 f0             	mov    %rsi,%rax
   d:	48 89 d7             	mov    %rdx,%rdi
  10:	48 89 ce             	mov    %rcx,%rsi
  13:	4c 89 c2             	mov    %r8,%rdx
  16:	4d 89 ca             	mov    %r9,%r10
  19:	4c 8b 44 24 08       	mov    0x8(%rsp),%r8
  1e:	4c 8b 4c 24 10       	mov    0x10(%rsp),%r9
  23:	4c 89 5c 24 08       	mov    %r11,0x8(%rsp)
  28:	0f 05                	syscall
  2a:*	c3                   	ret		<-- trapping instruction
  2b:	66 2e 0f 1f 84 00 00 	cs nopw 0x0(%rax,%rax,1)
  32:	00 00 00 
  35:	0f 1f 00             	nopl   (%rax)
  38:	f3 0f 1e fa          	endbr64
  3c:	55                   	push   %rbp
  3d:	bf                   	.byte 0xbf
  3e:	01 00                	add    %eax,(%rax)

Code starting with the faulting instruction
===========================================
   0:	c3                   	ret
   1:	66 2e 0f 1f 84 00 00 	cs nopw 0x0(%rax,%rax,1)
   8:	00 00 00 
   b:	0f 1f 00             	nopl   (%rax)
   e:	f3 0f 1e fa          	endbr64
  12:	55                   	push   %rbp
  13:	bf                   	.byte 0xbf
  14:	01 00                	add    %eax,(%rax)
[  329.027696][ T8559] RSP: 002b:00007fff0de13448 EFLAGS: 00000246 ORIG_RAX: 000000000000002c
[  329.027700][ T8559] RAX: ffffffffffffffda RBX: 00007fff0de13578 RCX: 00007f7ad7414312
[  329.027701][ T8559] RDX: 0000000000000034 RSI: 00007f7acce54330 RDI: 0000000000000023
[  329.027702][ T8559] RBP: 00007fff0de13470 R08: 00007fff0de135f0 R09: 000000000000000c
[  329.027703][ T8559] R10: 0000000000000000 R11: 0000000000000246 R12: 00007f7ad5282190
[  329.027705][ T8559] R13: 00007fff0de13578 R14: 00007f7ad6d3301a R15: 00007fff0de13968
| [  338.720710][   T12] softirqs last disabled at (8514742): __neigh_ifdown.isra.0 (./include/linux/spinlock.h:353 net/core/neighbour.c:464)
| [  338.720713][   T12] Preemption disabled at:
| [  338.720713][   T12] vprintk_emit (kernel/printk/printk.c:2471)
| [  338.720722][   T12] Tainted: [W]=WARN
[  338.720723][   T12] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[  338.720725][   T12] Workqueue: netns cleanup_net
[  338.720728][   T12] Call Trace:
[  338.720730][   T12]  <TASK>
[  338.720732][   T12]  dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120)
[  338.720738][   T12]  ? vprintk_emit (kernel/printk/printk.c:2471)
[  338.720740][   T12]  __might_resched.cold (kernel/sched/core.c:9234)
[  338.720745][   T12]  ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3))
[  338.720749][   T12]  ? __kmalloc_noprof (./include/linux/sched/mm.h:317 mm/slub.c:4636 mm/slub.c:4974 mm/slub.c:5413 mm/slub.c:5439)
[  338.720754][   T12]  __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))
[  338.720756][   T12]  ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[  338.720763][   T12]  ? 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)
[  338.720766][   T12]  alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[  338.720770][   T12]  put_chars (drivers/char/virtio_console.c:1176)
[  338.720772][   T12]  ? prb_final_commit (kernel/printk/printk_ringbuffer.c:1842)
[  338.720775][   T12]  ? __send_to_port (drivers/char/virtio_console.c:654)
[  338.720778][   T12]  ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4116 (discriminator 3) kernel/rcu/tree.c:4108 (discriminator 3))
[  338.720781][   T12]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380)
[  338.720784][   T12]  ? validate_chain (kernel/locking/lockdep.c:3817 (discriminator 2) kernel/locking/lockdep.c:3837 (discriminator 2) kernel/locking/lockdep.c:3892 (discriminator 2))
[  338.720788][   T12]  hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2))
[  338.720793][   T12]  ? mark_usage (kernel/locking/lockdep.c:4690)
[  338.720795][   T12]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[  338.720797][   T12]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[  338.720801][   T12]  ? hvc_write (drivers/tty/hvc/hvc_console.c:501)
[  338.720804][   T12]  ? console_emit_next_record (kernel/printk/printk.c:3095 (discriminator 2) kernel/printk/printk.c:3182 (discriminator 2))
[  338.720808][   T12]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  338.720811][   T12]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  338.720819][   T12]  console_emit_next_record (kernel/printk/printk.c:3183)
[  338.720824][   T12]  ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20)
[  338.720826][   T12]  ? 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))
[  338.720829][   T12]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  338.720831][   T12]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  338.720836][   T12]  console_flush_one_record (kernel/printk/printk.c:3268)
[  338.720840][   T12]  ? console_emit_next_record (kernel/printk/printk.c:3150)
[  338.720843][   T12]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[  338.720849][   T12]  console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420)
[  338.720852][   T12]  ? console_flush_one_record (kernel/printk/printk.c:3316)
[  338.720854][   T12]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  338.720856][   T12]  ? 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)
[  338.720860][   T12]  ? __down_trylock_console_sem (kernel/printk/printk.c:334)
[  338.720862][   T12]  ? vprintk_emit (kernel/printk/printk.c:2478)
[  338.720865][   T12]  vprintk_emit (kernel/printk/printk.c:2479)
[  338.720868][   T12]  ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126))
[  338.720871][   T12]  ? net_disable_timestamp (./include/linux/workqueue.h:761)
[  338.720873][   T12]  ? net_generic (./include/linux/rcupdate.h:882 ./include/net/netns/generic.h:48) vxlan
[  338.720882][   T12]  _printk (kernel/printk/printk.c:2504)
[  338.720886][   T12]  ? snapshot_read.cold (user.c:?)
[  338.720891][   T12]  ? netdev_name (./include/linux/netdevice.h:5709 (discriminator 1))
[  338.720895][   T12]  ? __netdev_printk (net/core/dev.c:13148 (discriminator 2))
[  338.720903][   T12]  netdev_info (net/core/dev.c:13195 (discriminator 3))
[  338.720906][   T12]  ? netdev_notice (net/core/dev.c:13194)
[  338.720908][   T12]  ? __netdev_upper_dev_unlink (net/core/dev.c:9094)
[  338.720914][   T12]  ? synchronize_rcu_expedited (kernel/rcu/tree_exp.h:985)
[  338.720921][   T12]  ? 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)
[  338.720924][   T12]  __dev_set_promiscuity.cold (net/core/dev.c:9672 (discriminator 3))
[  338.720928][   T12]  netif_set_promiscuity (net/core/dev.c:9699)
[  338.720932][   T12]  dev_set_promiscuity (net/core/dev_api.c:288)
[  338.720934][   T12]  ? rtnl_is_locked (net/core/rtnetlink.c:169)
[  338.720938][   T12] ovs_netdev_detach_dev (net/openvswitch/vport-netdev.c:174) openvswitch
[  338.720945][   T12] dp_device_event (net/openvswitch/dp_notify.c:74) openvswitch
[  338.720951][   T12]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  338.720954][   T12]  notifier_call_chain (kernel/notifier.c:85)
[  338.720960][   T12]  unregister_netdevice_many_notify (net/core/dev.c:2313 net/core/dev.c:2327 net/core/dev.c:12518)
[  338.720966][   T12]  ? unregister_netdevice_queued (./include/linux/list.h:419 (discriminator 3))
[  338.720975][   T12]  default_device_exit_batch (net/core/dev.c:12589 net/core/dev.c:13288)
[  338.720979][   T12]  ? unregister_netdevice_queue (./include/linux/list.h:173)
[  338.720981][   T12]  ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3))
[  338.720984][   T12]  ? fou_exit_net (net/ipv4/fou_core.c:1228)
[  338.720989][   T12]  ops_undo_list (net/core/net_namespace.c:206 net/core/net_namespace.c:253)
[  338.720993][   T12]  ? lockdep_hardirqs_on (kernel/locking/lockdep.c:4488)
[  338.720997][   T12]  ? netns_install (./include/linux/ns_common.h:26)
[  338.720999][   T12]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554)
[  338.721002][   T12]  ? idr_destroy (lib/radix-tree.c:310 lib/radix-tree.c:674 lib/radix-tree.c:1563)
[  338.721008][   T12]  cleanup_net (net/core/net_namespace.c:706)
[  338.721011][   T12]  ? net_passive_dec (./include/linux/llist.h:241)
[  338.721016][   T12]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  338.721018][   T12]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  338.721022][   T12]  process_one_work (kernel/workqueue.c:3387)
[  338.721029][   T12]  ? __queue_delayed_work (kernel/workqueue.c:2622)
[  338.721033][   T12]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2))
[  338.721042][   T12]  worker_thread (kernel/workqueue.c:3470 kernel/workqueue.c:3551)
[  338.721055][   T12]  ? rescuer_thread (./include/linux/list.h:419 (discriminator 3))
[  338.721058][   T12]  kthread (kernel/kthread.c:436)
[  338.721060][   T12]  ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22))
[  338.721064][   T12]  ? kthread_affine_preferred (kernel/kthread.c:857)
[  338.721067][   T12]  ret_from_fork (arch/x86/kernel/process.c:158)
[  338.721072][   T12]  ? arch_exit_to_user_mode_prepare.isra.0 (arch/x86/entry/vdso/vma.c:80 (discriminator 1))
[  338.721075][   T12]  ? __switch_to (arch/x86/kernel/process_64.c:403 arch/x86/kernel/process_64.c:663)
[  338.721079][   T12]  ? kthread_affine_preferred (kernel/kthread.c:857)
[  338.721082][   T12]  ret_from_fork_asm (arch/x86/entry/entry_64.S:245)
| [  339.786128][ T8759] softirqs last disabled at (374680): inet6_fill_ifla6_attrs (net/ipv6/addrconf.c:5883)
| [  339.786130][ T8759] Preemption disabled at:
| [  339.786131][ T8759] vprintk_emit (kernel/printk/printk.c:2471)
| [  339.786140][ T8759] Tainted: [W]=WARN
[  339.786141][ T8759] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[  339.786143][ T8759] Call Trace:
[  339.786144][ T8759]  <TASK>
[  339.786146][ T8759]  dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120)
[  339.786152][ T8759]  ? vprintk_emit (kernel/printk/printk.c:2471)
[  339.786154][ T8759]  __might_resched.cold (kernel/sched/core.c:9234)
[  339.786158][ T8759]  ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3))
[  339.786163][ T8759]  ? __kmalloc_noprof (./include/linux/sched/mm.h:317 mm/slub.c:4636 mm/slub.c:4974 mm/slub.c:5413 mm/slub.c:5439)
[  339.786168][ T8759]  __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))
[  339.786170][ T8759]  ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[  339.786177][ T8759]  ? 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)
[  339.786180][ T8759]  alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[  339.786184][ T8759]  put_chars (drivers/char/virtio_console.c:1176)
[  339.786187][ T8759]  ? __send_to_port (drivers/char/virtio_console.c:654)
[  339.786188][ T8759]  ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4116 (discriminator 3) kernel/rcu/tree.c:4108 (discriminator 3))
[  339.786192][ T8759]  ? validate_chain (kernel/locking/lockdep.c:3817 (discriminator 2) kernel/locking/lockdep.c:3837 (discriminator 2) kernel/locking/lockdep.c:3892 (discriminator 2))
[  339.786198][ T8759]  hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2))
[  339.786206][ T8759]  ? hvc_write (drivers/tty/hvc/hvc_console.c:501)
[  339.786209][ T8759]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  339.786211][ T8759]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  339.786215][ T8759]  console_emit_next_record (kernel/printk/printk.c:3183)
[  339.786220][ T8759]  ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20)
[  339.786222][ T8759]  ? 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))
[  339.786225][ T8759]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  339.786227][ T8759]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  339.786231][ T8759]  console_flush_one_record (kernel/printk/printk.c:3268)
[  339.786236][ T8759]  ? console_emit_next_record (kernel/printk/printk.c:3150)
[  339.786238][ T8759]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[  339.786244][ T8759]  console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420)
[  339.786247][ T8759]  ? console_flush_one_record (kernel/printk/printk.c:3316)
[  339.786249][ T8759]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  339.786251][ T8759]  ? 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)
[  339.786255][ T8759]  ? __down_trylock_console_sem (kernel/printk/printk.c:334)
[  339.786257][ T8759]  ? vprintk_emit (kernel/printk/printk.c:2478)
[  339.786260][ T8759]  vprintk_emit (kernel/printk/printk.c:2479)
[  339.786263][ T8759]  ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126))
[  339.786266][ T8759]  ? net_disable_timestamp (./include/linux/workqueue.h:761)
[  339.786269][ T8759]  ? net_generic (./include/linux/rcupdate.h:882 ./include/net/netns/generic.h:48) vxlan
[  339.786277][ T8759]  _printk (kernel/printk/printk.c:2504)
[  339.786281][ T8759]  ? snapshot_read.cold (user.c:?)
[  339.786286][ T8759]  ? netdev_name (./include/linux/netdevice.h:5709 (discriminator 1))
[  339.786290][ T8759]  ? __netdev_printk (net/core/dev.c:13148 (discriminator 2))
[  339.786294][ T8759]  netdev_info (net/core/dev.c:13195 (discriminator 3))
[  339.786297][ T8759]  ? netdev_notice (net/core/dev.c:13194)
[  339.786299][ T8759]  ? __netdev_upper_dev_unlink (net/core/dev.c:9094)
[  339.786303][ T8759]  ? synchronize_rcu_expedited (kernel/rcu/tree_exp.h:985)
[  339.786309][ T8759]  ? 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)
[  339.786312][ T8759]  __dev_set_promiscuity.cold (net/core/dev.c:9672 (discriminator 3))
[  339.786315][ T8759]  netif_set_promiscuity (net/core/dev.c:9699)
[  339.786319][ T8759]  dev_set_promiscuity (net/core/dev_api.c:288)
[  339.786322][ T8759]  ? rtnl_is_locked (net/core/rtnetlink.c:169)
[  339.786325][ T8759] ovs_netdev_detach_dev (net/openvswitch/vport-netdev.c:174) openvswitch
[  339.786329][ T8759]  ? netdev_destroy (net/openvswitch/vport-netdev.c:189) openvswitch
[  339.786333][ T8759] netdev_destroy (net/openvswitch/vport-netdev.c:194) openvswitch
[  339.786339][ T8759] ovs_vport_cmd_del (net/openvswitch/datapath.c:2505) openvswitch
[  339.786347][ T8759]  genl_family_rcv_msg_doit (net/netlink/genetlink.c:1114)
[  339.786351][ T8759]  ? genl_family_rcv_msg_attrs_parse.isra.0 (./include/net/netlink.h:785 (discriminator 2))
[  339.786360][ T8759]  ? security_capable (security/security.c:660 (discriminator 11))
[  339.786364][ T8759]  genl_family_rcv_msg (net/netlink/genetlink.c:1194)
[  339.786368][ T8759]  ? genl_family_rcv_msg_dumpit (net/netlink/genetlink.c:1079)
[  339.786371][ T8759]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380)
[  339.786374][ T8759]  ? ovs_dp_detach_port (./include/linux/list.h:1047 (discriminator 2)) openvswitch
[  339.786378][ T8759]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[  339.786384][ T8759]  genl_rcv_msg (net/netlink/genetlink.c:1209)
[  339.786388][ T8759]  netlink_rcv_skb (net/netlink/af_netlink.c:2556)
[  339.786390][ T8759]  ? genl_family_rcv_msg (net/netlink/genetlink.c:1136 (discriminator 2))
[  339.786394][ T8759]  ? netlink_ack (./include/linux/skbuff.h:2718)
[  339.786401][ T8759]  ? 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))
[  339.786403][ T8759]  ? 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))
[  339.786408][ T8759]  genl_rcv (net/netlink/genetlink.c:1218)
[  339.786410][ T8759]  netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[  339.786415][ T8759]  ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[  339.786418][ T8759]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[  339.786430][ T8759]  netlink_sendmsg (net/netlink/af_netlink.c:1900)
[  339.786437][ T8759]  ? netlink_unicast (./include/net/net_namespace.h:422 (discriminator 7))
[  339.786440][ T8759]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[  339.786445][ T8759]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554)
[  339.786453][ T8759]  __sock_sendmsg (net/socket.c:800 (discriminator 4) net/socket.c:815 (discriminator 4))
[  339.786457][ T8759]  ? fdget (fs/file.c:1200 fs/file.c:1208)
[  339.786461][ T8759]  __sys_sendto (net/socket.c:2281)
[  339.786464][ T8759]  ? __ia32_sys_getpeername (net/socket.c:2235)
[  339.786476][ T8759]  ? exc_page_fault (arch/x86/mm/fault.c:1483 arch/x86/mm/fault.c:1536)
[  339.786482][ T8759]  __x64_sys_sendto (net/socket.c:2288 net/socket.c:2284 net/socket.c:2284)
[  339.786485][ T8759]  ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22))
[  339.786488][ T8759]  ? lockdep_hardirqs_on (kernel/locking/lockdep.c:4488)
[  339.786490][ T8759]  ? do_syscall_64 (arch/x86/entry/syscall_64.c:81 (discriminator 44))
[  339.786493][ T8759]  do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84)
[  339.786495][ T8759]  ? exc_page_fault (arch/x86/mm/fault.c:1489 (discriminator 3) arch/x86/mm/fault.c:1536 (discriminator 3))
[  339.786497][ T8759]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[  339.786500][ T8759] RIP: 0033:0x7fbebe104312
[  339.786504][ T8759] Code: 08 0f 85 71 41 ff ff 49 89 fb 48 89 f0 48 89 d7 48 89 ce 4c 89 c2 4d 89 ca 4c 8b 44 24 08 4c 8b 4c 24 10 4c 89 5c 24 08 0f 05 <c3> 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 00 f3 0f 1e fa 55 bf 01 00
All code
========
   0:	08 0f                	or     %cl,(%rdi)
   2:	85 71 41             	test   %esi,0x41(%rcx)
   5:	ff                   	(bad)
   6:	ff 49 89             	decl   -0x77(%rcx)
   9:	fb                   	sti
   a:	48 89 f0             	mov    %rsi,%rax
   d:	48 89 d7             	mov    %rdx,%rdi
  10:	48 89 ce             	mov    %rcx,%rsi
  13:	4c 89 c2             	mov    %r8,%rdx
  16:	4d 89 ca             	mov    %r9,%r10
  19:	4c 8b 44 24 08       	mov    0x8(%rsp),%r8
  1e:	4c 8b 4c 24 10       	mov    0x10(%rsp),%r9
  23:	4c 89 5c 24 08       	mov    %r11,0x8(%rsp)
  28:	0f 05                	syscall
  2a:*	c3                   	ret		<-- trapping instruction
  2b:	66 2e 0f 1f 84 00 00 	cs nopw 0x0(%rax,%rax,1)
  32:	00 00 00 
  35:	0f 1f 00             	nopl   (%rax)
  38:	f3 0f 1e fa          	endbr64
  3c:	55                   	push   %rbp
  3d:	bf                   	.byte 0xbf
  3e:	01 00                	add    %eax,(%rax)

Code starting with the faulting instruction
===========================================
   0:	c3                   	ret
   1:	66 2e 0f 1f 84 00 00 	cs nopw 0x0(%rax,%rax,1)
   8:	00 00 00 
   b:	0f 1f 00             	nopl   (%rax)
   e:	f3 0f 1e fa          	endbr64
  12:	55                   	push   %rbp
  13:	bf                   	.byte 0xbf
  14:	01 00                	add    %eax,(%rax)
[  339.786506][ T8759] RSP: 002b:00007fff833a9f68 EFLAGS: 00000246 ORIG_RAX: 000000000000002c
[  339.786509][ T8759] RAX: ffffffffffffffda RBX: 00007fff833aa098 RCX: 00007fbebe104312
[  339.786510][ T8759] RDX: 0000000000000024 RSI: 00007fbeb8374d20 RDI: 0000000000000023
[  339.786511][ T8759] RBP: 00007fff833a9f90 R08: 00007fff833aa110 R09: 000000000000000c
[  339.786512][ T8759] R10: 0000000000000000 R11: 0000000000000246 R12: 00007fbebbf71fd0
[  339.786513][ T8759] R13: 00007fff833aa098 R14: 00007fbebda2301a R15: 00007fff833aa488
| [  341.487861][ T8786] softirqs last disabled at (375472): __alloc_skb (./include/linux/bottom_half.h:20 (discriminator 2) net/core/skbuff.c:697 (discriminator 2))
| [  341.487864][ T8786] Preemption disabled at:
| [  341.487864][ T8786] vprintk_emit (kernel/printk/printk.c:2471)
| [  341.487873][ T8786] Tainted: [W]=WARN
[  341.487874][ T8786] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[  341.487876][ T8786] Call Trace:
[  341.487877][ T8786]  <TASK>
[  341.487879][ T8786]  dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120)
[  341.487885][ T8786]  ? vprintk_emit (kernel/printk/printk.c:2471)
[  341.487886][ T8786]  __might_resched.cold (kernel/sched/core.c:9234)
[  341.487891][ T8786]  ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3))
[  341.487895][ T8786]  ? __kmalloc_noprof (./include/linux/sched/mm.h:317 mm/slub.c:4636 mm/slub.c:4974 mm/slub.c:5413 mm/slub.c:5439)
[  341.487903][ T8786]  __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))
[  341.487905][ T8786]  ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[  341.487912][ T8786]  ? 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)
[  341.487915][ T8786]  alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[  341.487919][ T8786]  put_chars (drivers/char/virtio_console.c:1176)
[  341.487921][ T8786]  ? __send_to_port (drivers/char/virtio_console.c:654)
[  341.487923][ T8786]  ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4116 (discriminator 3) kernel/rcu/tree.c:4108 (discriminator 3))
[  341.487926][ T8786]  ? validate_chain (kernel/locking/lockdep.c:3817 (discriminator 2) kernel/locking/lockdep.c:3837 (discriminator 2) kernel/locking/lockdep.c:3892 (discriminator 2))
[  341.487932][ T8786]  hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2))
[  341.487940][ T8786]  ? hvc_write (drivers/tty/hvc/hvc_console.c:501)
[  341.487942][ T8786]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  341.487945][ T8786]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  341.487949][ T8786]  console_emit_next_record (kernel/printk/printk.c:3183)
[  341.487953][ T8786]  ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20)
[  341.487955][ T8786]  ? 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))
[  341.487958][ T8786]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  341.487960][ T8786]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  341.487964][ T8786]  console_flush_one_record (kernel/printk/printk.c:3268)
[  341.487968][ T8786]  ? console_emit_next_record (kernel/printk/printk.c:3150)
[  341.487970][ T8786]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[  341.487976][ T8786]  console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420)
[  341.487979][ T8786]  ? console_flush_one_record (kernel/printk/printk.c:3316)
[  341.487981][ T8786]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  341.487983][ T8786]  ? 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)
[  341.487986][ T8786]  ? __down_trylock_console_sem (kernel/printk/printk.c:334)
[  341.487988][ T8786]  ? vprintk_emit (kernel/printk/printk.c:2478)
[  341.487991][ T8786]  vprintk_emit (kernel/printk/printk.c:2479)
[  341.487994][ T8786]  ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126))
[  341.487996][ T8786]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380)
[  341.487999][ T8786]  ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4116 (discriminator 3) kernel/rcu/tree.c:4108 (discriminator 3))
[  341.488003][ T8786]  _printk (kernel/printk/printk.c:2504)
[  341.488007][ T8786]  ? snapshot_read.cold (user.c:?)
[  341.488011][ T8786]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  341.488012][ T8786]  ? netdev_name (./include/linux/netdevice.h:5709 (discriminator 1))
[  341.488016][ T8786]  ? __netdev_printk (net/core/dev.c:13148 (discriminator 2))
[  341.488020][ T8786]  netdev_info (net/core/dev.c:13195 (discriminator 3))
[  341.488022][ T8786]  ? netdev_notice (net/core/dev.c:13194)
[  341.488024][ T8786]  ? internal_dev_destroy (net/openvswitch/vport-internal_dev.c:178) openvswitch
[  341.488030][ T8786]  ? ww_mutex_lock (kernel/locking/mutex.c:934)
[  341.488036][ T8786]  ? 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)
[  341.488039][ T8786]  __dev_set_promiscuity.cold (net/core/dev.c:9672 (discriminator 3))
[  341.488042][ T8786]  netif_set_promiscuity (net/core/dev.c:9699)
[  341.488047][ T8786]  dev_set_promiscuity (net/core/dev_api.c:288)
[  341.488050][ T8786] internal_dev_destroy (net/openvswitch/vport-internal_dev.c:179) openvswitch
[  341.488055][ T8786] __dp_destroy (net/openvswitch/datapath.c:1969 (discriminator 1)) openvswitch
[  341.488063][ T8786] ovs_dp_cmd_del (net/openvswitch/datapath.c:2003) openvswitch
[  341.488068][ T8786]  genl_family_rcv_msg_doit (net/netlink/genetlink.c:1114)
[  341.488072][ T8786]  ? genl_family_rcv_msg_attrs_parse.isra.0 (./include/net/netlink.h:785 (discriminator 2))
[  341.488080][ T8786]  ? security_capable (security/security.c:660 (discriminator 11))
[  341.488084][ T8786]  genl_family_rcv_msg (net/netlink/genetlink.c:1194)
[  341.488088][ T8786]  ? genl_family_rcv_msg_dumpit (net/netlink/genetlink.c:1079)
[  341.488091][ T8786]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380)
[  341.488093][ T8786]  ? __dp_destroy (./include/linux/list.h:242 (discriminator 2) ./include/linux/list.h:264 (discriminator 2) ./include/linux/rculist.h:178 (discriminator 2) net/openvswitch/datapath.c:1964 (discriminator 2)) openvswitch
[  341.488098][ T8786]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[  341.488103][ T8786]  genl_rcv_msg (net/netlink/genetlink.c:1209)
[  341.488107][ T8786]  netlink_rcv_skb (net/netlink/af_netlink.c:2556)
[  341.488109][ T8786]  ? genl_family_rcv_msg (net/netlink/genetlink.c:1136 (discriminator 2))
[  341.488112][ T8786]  ? netlink_ack (./include/linux/skbuff.h:2718)
[  341.488120][ T8786]  ? 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))
[  341.488121][ T8786]  ? 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))
[  341.488126][ T8786]  genl_rcv (net/netlink/genetlink.c:1218)
[  341.488128][ T8786]  netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[  341.488132][ T8786]  ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[  341.488136][ T8786]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[  341.488139][ T8786]  netlink_sendmsg (net/netlink/af_netlink.c:1900)
[  341.488143][ T8786]  ? netlink_unicast (./include/net/net_namespace.h:422 (discriminator 7))
[  341.488145][ T8786]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[  341.488148][ T8786]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554)
[  341.488153][ T8786]  __sock_sendmsg (net/socket.c:800 (discriminator 4) net/socket.c:815 (discriminator 4))
[  341.488156][ T8786]  ? fdget (fs/file.c:1200 fs/file.c:1208)
[  341.488160][ T8786]  __sys_sendto (net/socket.c:2281)
[  341.488163][ T8786]  ? __ia32_sys_getpeername (net/socket.c:2235)
[  341.488174][ T8786]  ? exc_page_fault (arch/x86/mm/fault.c:1483 arch/x86/mm/fault.c:1536)
[  341.488180][ T8786]  __x64_sys_sendto (net/socket.c:2288 net/socket.c:2284 net/socket.c:2284)
[  341.488182][ T8786]  ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22))
[  341.488186][ T8786]  ? lockdep_hardirqs_on (kernel/locking/lockdep.c:4488)
[  341.488188][ T8786]  ? do_syscall_64 (arch/x86/entry/syscall_64.c:81 (discriminator 44))
[  341.488190][ T8786]  do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84)
[  341.488192][ T8786]  ? exc_page_fault (arch/x86/mm/fault.c:1489 (discriminator 3) arch/x86/mm/fault.c:1536 (discriminator 3))
[  341.488195][ T8786]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[  341.488197][ T8786] RIP: 0033:0x7faf26b06312
[  341.488201][ T8786] Code: 08 0f 85 71 41 ff ff 49 89 fb 48 89 f0 48 89 d7 48 89 ce 4c 89 c2 4d 89 ca 4c 8b 44 24 08 4c 8b 4c 24 10 4c 89 5c 24 08 0f 05 <c3> 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 00 f3 0f 1e fa 55 bf 01 00
All code
========
   0:	08 0f                	or     %cl,(%rdi)
   2:	85 71 41             	test   %esi,0x41(%rcx)
   5:	ff                   	(bad)
   6:	ff 49 89             	decl   -0x77(%rcx)
   9:	fb                   	sti
   a:	48 89 f0             	mov    %rsi,%rax
   d:	48 89 d7             	mov    %rdx,%rdi
  10:	48 89 ce             	mov    %rcx,%rsi
  13:	4c 89 c2             	mov    %r8,%rdx
  16:	4d 89 ca             	mov    %r9,%r10
  19:	4c 8b 44 24 08       	mov    0x8(%rsp),%r8
  1e:	4c 8b 4c 24 10       	mov    0x10(%rsp),%r9
  23:	4c 89 5c 24 08       	mov    %r11,0x8(%rsp)
  28:	0f 05                	syscall
  2a:*	c3                   	ret		<-- trapping instruction
  2b:	66 2e 0f 1f 84 00 00 	cs nopw 0x0(%rax,%rax,1)
  32:	00 00 00 
  35:	0f 1f 00             	nopl   (%rax)
  38:	f3 0f 1e fa          	endbr64
  3c:	55                   	push   %rbp
  3d:	bf                   	.byte 0xbf
  3e:	01 00                	add    %eax,(%rax)

Code starting with the faulting instruction
===========================================
   0:	c3                   	ret
   1:	66 2e 0f 1f 84 00 00 	cs nopw 0x0(%rax,%rax,1)
   8:	00 00 00 
   b:	0f 1f 00             	nopl   (%rax)
   e:	f3 0f 1e fa          	endbr64
  12:	55                   	push   %rbp
  13:	bf                   	.byte 0xbf
  14:	01 00                	add    %eax,(%rax)
[  341.488203][ T8786] RSP: 002b:00007ffee5612b98 EFLAGS: 00000246 ORIG_RAX: 000000000000002c
[  341.488205][ T8786] RAX: ffffffffffffffda RBX: 00007ffee5612cc8 RCX: 00007faf26b06312
[  341.488207][ T8786] RDX: 0000000000000024 RSI: 00007faf22685860 RDI: 0000000000000020
[  341.488208][ T8786] RBP: 00007ffee5612bc0 R08: 00007ffee5612d40 R09: 000000000000000c
[  341.488209][ T8786] R10: 0000000000000000 R11: 0000000000000246 R12: 00007faf24969e10
[  341.488210][ T8786] R13: 00007ffee5612cc8 R14: 00007faf2642501a R15: 00007ffee56130b8
| [  345.115546][ T8881] softirqs last disabled at (385428): __alloc_skb (./include/linux/bottom_half.h:20 (discriminator 2) net/core/skbuff.c:697 (discriminator 2))
| [  345.115548][ T8881] Preemption disabled at:
| [  345.115549][ T8881] vprintk_emit (kernel/printk/printk.c:2471)
| [  345.115558][ T8881] Tainted: [W]=WARN
[  345.115559][ T8881] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[  345.115560][ T8881] Call Trace:
[  345.115562][ T8881]  <TASK>
[  345.115563][ T8881]  dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120)
[  345.115569][ T8881]  ? vprintk_emit (kernel/printk/printk.c:2471)
[  345.115571][ T8881]  __might_resched.cold (kernel/sched/core.c:9234)
[  345.115576][ T8881]  ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3))
[  345.115580][ T8881]  ? __kmalloc_noprof (./include/linux/sched/mm.h:317 mm/slub.c:4636 mm/slub.c:4974 mm/slub.c:5413 mm/slub.c:5439)
[  345.115584][ T8881]  __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))
[  345.115586][ T8881]  ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[  345.115593][ T8881]  ? 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)
[  345.115596][ T8881]  alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[  345.115600][ T8881]  put_chars (drivers/char/virtio_console.c:1176)
[  345.115602][ T8881]  ? __send_to_port (drivers/char/virtio_console.c:654)
[  345.115605][ T8881]  ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4116 (discriminator 3) kernel/rcu/tree.c:4108 (discriminator 3))
[  345.115608][ T8881]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380)
[  345.115611][ T8881]  ? validate_chain (kernel/locking/lockdep.c:3817 (discriminator 2) kernel/locking/lockdep.c:3837 (discriminator 2) kernel/locking/lockdep.c:3892 (discriminator 2))
[  345.115615][ T8881]  hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2))
[  345.115619][ T8881]  ? mark_usage (kernel/locking/lockdep.c:4690)
[  345.115621][ T8881]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[  345.115623][ T8881]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[  345.115627][ T8881]  ? hvc_write (drivers/tty/hvc/hvc_console.c:501)
[  345.115629][ T8881]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2))
[  345.115634][ T8881]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  345.115638][ T8881]  console_emit_next_record (kernel/printk/printk.c:3183)
[  345.115642][ T8881]  ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20)
[  345.115644][ T8881]  ? 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))
[  345.115647][ T8881]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  345.115649][ T8881]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  345.115653][ T8881]  console_flush_one_record (kernel/printk/printk.c:3268)
[  345.115657][ T8881]  ? console_emit_next_record (kernel/printk/printk.c:3150)
[  345.115659][ T8881]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[  345.115666][ T8881]  console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420)
[  345.115669][ T8881]  ? console_flush_one_record (kernel/printk/printk.c:3316)
[  345.115671][ T8881]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  345.115672][ T8881]  ? 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)
[  345.115676][ T8881]  ? __down_trylock_console_sem (kernel/printk/printk.c:334)
[  345.115678][ T8881]  ? vprintk_emit (kernel/printk/printk.c:2478)
[  345.115681][ T8881]  vprintk_emit (kernel/printk/printk.c:2479)
[  345.115684][ T8881]  ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126))
[  345.115686][ T8881]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554)
[  345.115688][ T8881]  ? genl_family_rcv_msg (net/netlink/genetlink.c:1194)
[  345.115693][ T8881]  _printk (kernel/printk/printk.c:2504)
[  345.115697][ T8881]  ? snapshot_read.cold (user.c:?)
[  345.115699][ T8881]  ? ___ratelimit (lib/ratelimit.c:97 (discriminator 3))
[  345.115706][ T8881]  ? idr_get_free (??:?)
[  345.115711][ T8881]  validate_nla.cold (lib/nlattr.c:414 (discriminator 4))
[  345.115721][ T8881]  ? nla_get_range_signed (lib/nlattr.c:270)
[  345.115728][ T8881]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  345.115730][ T8881]  ? trace_kmalloc (./include/trace/events/kmem.h:57 (discriminator 22))
[  345.115735][ T8881]  __nla_validate_parse (lib/nlattr.c:635)
[  345.115740][ T8881]  __nla_parse (lib/nlattr.c:732)
[  345.115743][ T8881]  genl_family_rcv_msg_attrs_parse.isra.0 (./include/net/netlink.h:789 (discriminator 2) net/netlink/genetlink.c:944 (discriminator 2))
[  345.115748][ T8881]  genl_family_rcv_msg_doit (net/netlink/genetlink.c:1092)
[  345.115752][ T8881]  ? genl_family_rcv_msg_attrs_parse.isra.0 (./include/net/netlink.h:785 (discriminator 2))
[  345.115760][ T8881]  ? security_capable (security/security.c:660 (discriminator 11))
[  345.115765][ T8881]  genl_family_rcv_msg (net/netlink/genetlink.c:1194)
[  345.115769][ T8881]  ? genl_family_rcv_msg_dumpit (net/netlink/genetlink.c:1079)
[  345.115772][ T8881]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380)
[  345.115775][ T8881]  ? ovs_dp_cmd_get (./include/net/net_namespace.h:422 (discriminator 7)) openvswitch
[  345.115783][ T8881]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[  345.115790][ T8881]  genl_rcv_msg (net/netlink/genetlink.c:1209)
[  345.115793][ T8881]  netlink_rcv_skb (net/netlink/af_netlink.c:2556)
[  345.115795][ T8881]  ? genl_family_rcv_msg (net/netlink/genetlink.c:1136 (discriminator 2))
[  345.115799][ T8881]  ? netlink_ack (./include/linux/skbuff.h:2718)
[  345.115806][ T8881]  ? 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))
[  345.115808][ T8881]  ? 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))
[  345.115812][ T8881]  genl_rcv (net/netlink/genetlink.c:1218)
[  345.115815][ T8881]  netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[  345.115819][ T8881]  ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[  345.115823][ T8881]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[  345.115826][ T8881]  netlink_sendmsg (net/netlink/af_netlink.c:1900)
[  345.115830][ T8881]  ? netlink_unicast (./include/net/net_namespace.h:422 (discriminator 7))
[  345.115832][ T8881]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[  345.115835][ T8881]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554)
[  345.115840][ T8881]  __sock_sendmsg (net/socket.c:800 (discriminator 4) net/socket.c:815 (discriminator 4))
[  345.115842][ T8881]  ? fdget (fs/file.c:1200 fs/file.c:1208)
[  345.115846][ T8881]  __sys_sendto (net/socket.c:2281)
[  345.115849][ T8881]  ? __ia32_sys_getpeername (net/socket.c:2235)
[  345.115860][ T8881]  ? fput_close_sync (fs/file_table.c:617)
[  345.115864][ T8881]  ? alloc_file_clone (fs/file_table.c:479)
[  345.115868][ T8881]  __x64_sys_sendto (net/socket.c:2288 net/socket.c:2284 net/socket.c:2284)
[  345.115870][ T8881]  ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22))
[  345.115874][ T8881]  ? lockdep_hardirqs_on (kernel/locking/lockdep.c:4488)
[  345.115876][ T8881]  ? do_syscall_64 (arch/x86/entry/syscall_64.c:81 (discriminator 44))
[  345.115879][ T8881]  do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84)
[  345.115881][ T8881]  ? irq_exit_rcu (kernel/softirq.c:786)
[  345.115885][ T8881]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[  345.115887][ T8881] RIP: 0033:0x7effaf3f0312
[  345.115891][ T8881] Code: 08 0f 85 71 41 ff ff 49 89 fb 48 89 f0 48 89 d7 48 89 ce 4c 89 c2 4d 89 ca 4c 8b 44 24 08 4c 8b 4c 24 10 4c 89 5c 24 08 0f 05 <c3> 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 00 f3 0f 1e fa 55 bf 01 00
All code
========
   0:	08 0f                	or     %cl,(%rdi)
   2:	85 71 41             	test   %esi,0x41(%rcx)
   5:	ff                   	(bad)
   6:	ff 49 89             	decl   -0x77(%rcx)
   9:	fb                   	sti
   a:	48 89 f0             	mov    %rsi,%rax
   d:	48 89 d7             	mov    %rdx,%rdi
  10:	48 89 ce             	mov    %rcx,%rsi
  13:	4c 89 c2             	mov    %r8,%rdx
  16:	4d 89 ca             	mov    %r9,%r10
  19:	4c 8b 44 24 08       	mov    0x8(%rsp),%r8
  1e:	4c 8b 4c 24 10       	mov    0x10(%rsp),%r9
  23:	4c 89 5c 24 08       	mov    %r11,0x8(%rsp)
  28:	0f 05                	syscall
  2a:*	c3                   	ret		<-- trapping instruction
  2b:	66 2e 0f 1f 84 00 00 	cs nopw 0x0(%rax,%rax,1)
  32:	00 00 00 
  35:	0f 1f 00             	nopl   (%rax)
  38:	f3 0f 1e fa          	endbr64
  3c:	55                   	push   %rbp
  3d:	bf                   	.byte 0xbf
  3e:	01 00                	add    %eax,(%rax)

Code starting with the faulting instruction
===========================================
   0:	c3                   	ret
   1:	66 2e 0f 1f 84 00 00 	cs nopw 0x0(%rax,%rax,1)
   8:	00 00 00 
   b:	0f 1f 00             	nopl   (%rax)
   e:	f3 0f 1e fa          	endbr64
  12:	55                   	push   %rbp
  13:	bf                   	.byte 0xbf
  14:	01 00                	add    %eax,(%rax)
[  345.115893][ T8881] RSP: 002b:00007ffc88afeb38 EFLAGS: 00000246 ORIG_RAX: 000000000000002c
[  345.115895][ T8881] RAX: ffffffffffffffda RBX: 00007ffc88afec68 RCX: 00007effaf3f0312
[  345.115897][ T8881] RDX: 0000000000000044 RSI: 00007effa6f6a790 RDI: 0000000000000020
[  345.115901][ T8881] RBP: 00007ffc88afeb60 R08: 00007ffc88afece0 R09: 000000000000000c
[  345.115902][ T8881] R10: 0000000000000000 R11: 0000000000000246 R12: 00007effad25e0b0
[  345.115903][ T8881] R13: 00007ffc88afec68 R14: 00007effaed0f01a R15: 00007ffc88aff058
| [  346.541838][ T8913] softirqs last disabled at (382420): inet6_fill_ifla6_attrs (net/ipv6/addrconf.c:5883)
| [  346.541840][ T8913] Preemption disabled at:
| [  346.541841][ T8913] vprintk_emit (kernel/printk/printk.c:2471)
| [  346.541850][ T8913] Tainted: [W]=WARN
[  346.541851][ T8913] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[  346.541853][ T8913] Call Trace:
[  346.541855][ T8913]  <TASK>
[  346.541856][ T8913]  dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120)
[  346.541863][ T8913]  ? vprintk_emit (kernel/printk/printk.c:2471)
[  346.541865][ T8913]  __might_resched.cold (kernel/sched/core.c:9234)
[  346.541869][ T8913]  ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3))
[  346.541874][ T8913]  ? __kmalloc_noprof (./include/linux/sched/mm.h:317 mm/slub.c:4636 mm/slub.c:4974 mm/slub.c:5413 mm/slub.c:5439)
[  346.541878][ T8913]  __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))
[  346.541880][ T8913]  ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[  346.541889][ T8913]  ? 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)
[  346.541893][ T8913]  alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[  346.541902][ T8913]  put_chars (drivers/char/virtio_console.c:1176)
[  346.541905][ T8913]  ? __send_to_port (drivers/char/virtio_console.c:654)
[  346.541909][ T8913]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380)
[  346.541912][ T8913]  ? validate_chain (kernel/locking/lockdep.c:3817 (discriminator 2) kernel/locking/lockdep.c:3837 (discriminator 2) kernel/locking/lockdep.c:3892 (discriminator 2))
[  346.541917][ T8913]  hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2))
[  346.541922][ T8913]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[  346.541923][ T8913]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[  346.541928][ T8913]  ? hvc_write (drivers/tty/hvc/hvc_console.c:501)
[  346.541932][ T8913]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  346.541935][ T8913]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  346.541939][ T8913]  console_emit_next_record (kernel/printk/printk.c:3183)
[  346.541943][ T8913]  ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20)
[  346.541945][ T8913]  ? 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))
[  346.541949][ T8913]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  346.541951][ T8913]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  346.541955][ T8913]  console_flush_one_record (kernel/printk/printk.c:3268)
[  346.541960][ T8913]  ? console_emit_next_record (kernel/printk/printk.c:3150)
[  346.541962][ T8913]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[  346.541967][ T8913]  console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420)
[  346.541971][ T8913]  ? console_flush_one_record (kernel/printk/printk.c:3316)
[  346.541973][ T8913]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  346.541974][ T8913]  ? 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)
[  346.541978][ T8913]  ? __down_trylock_console_sem (kernel/printk/printk.c:334)
[  346.541980][ T8913]  ? vprintk_emit (kernel/printk/printk.c:2478)
[  346.541983][ T8913]  vprintk_emit (kernel/printk/printk.c:2479)
[  346.541987][ T8913]  ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126))
[  346.541992][ T8913]  _printk (kernel/printk/printk.c:2504)
[  346.541996][ T8913]  ? snapshot_read.cold (user.c:?)
[  346.541999][ T8913]  ? lockdep_rtnl_is_held (./include/linux/lockdep.h:249 net/core/rtnetlink.c:182)
[  346.542002][ T8913]  ? netdev_upper_get_next_dev_rcu (net/core/dev.c:8213 (discriminator 5))
[  346.542007][ T8913]  ? __netdev_update_features (net/core/dev.c:11078 (discriminator 2))
[  346.542009][ T8913]  ? netdev_name (./include/linux/netdevice.h:5709 (discriminator 1))
[  346.542012][ T8913]  ? __netdev_printk (net/core/dev.c:13148 (discriminator 2))
[  346.542017][ T8913]  netdev_info (net/core/dev.c:13195 (discriminator 3))
[  346.542020][ T8913]  ? netdev_notice (net/core/dev.c:13194)
[  346.542022][ T8913]  ? ovs_netdev_link (net/openvswitch/vport-netdev.c:85) openvswitch
[  346.542032][ T8913]  ? 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)
[  346.542035][ T8913]  __dev_set_promiscuity.cold (net/core/dev.c:9672 (discriminator 3))
[  346.542039][ T8913]  netif_set_promiscuity (net/core/dev.c:9699)
[  346.542044][ T8913]  dev_set_promiscuity (net/core/dev_api.c:288)
[  346.542047][ T8913]  ? dev_disable_lro (net/core/dev_api.c:267)
[  346.542051][ T8913] ovs_netdev_link (net/openvswitch/vport-netdev.c:106) openvswitch
[  346.542058][ T8913] ovs_vport_add (net/openvswitch/vport.c:209) openvswitch
[  346.542064][ T8913] new_vport (net/openvswitch/datapath.c:203) openvswitch
[  346.542068][ T8913]  ? ovs_lookup_vport (./include/linux/lockdep.h:249 net/openvswitch/datapath.c:120 net/openvswitch/datapath.c:117 net/openvswitch/datapath.c:190) openvswitch
[  346.542073][ T8913] ovs_vport_cmd_new (net/openvswitch/datapath.c:2389) openvswitch
[  346.542079][ T8913]  ? ovs_vport_cmd_fill_info.isra.0 (./include/net/netlink.h:1107 (discriminator 1)) openvswitch
[  346.542083][ T8913]  ? __nla_validate_parse (lib/nlattr.c:635)
[  346.542089][ T8913]  ? __nla_parse (lib/nlattr.c:732)
[  346.542092][ T8913]  ? genl_family_rcv_msg_attrs_parse.isra.0 (./include/net/netlink.h:789 (discriminator 2) net/netlink/genetlink.c:944 (discriminator 2))
[  346.542098][ T8913]  genl_family_rcv_msg_doit (net/netlink/genetlink.c:1114)
[  346.542101][ T8913]  ? genl_family_rcv_msg_attrs_parse.isra.0 (./include/net/netlink.h:785 (discriminator 2))
[  346.542110][ T8913]  ? security_capable (security/security.c:660 (discriminator 11))
[  346.542115][ T8913]  genl_family_rcv_msg (net/netlink/genetlink.c:1194)
[  346.542119][ T8913]  ? genl_family_rcv_msg_dumpit (net/netlink/genetlink.c:1079)
[  346.542122][ T8913]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380)
[  346.542124][ T8913]  ? ovs_vport_cmd_fill_info.isra.0 (./include/net/netlink.h:1107 (discriminator 1)) openvswitch
[  346.542129][ T8913]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[  346.542136][ T8913]  genl_rcv_msg (net/netlink/genetlink.c:1209)
[  346.542140][ T8913]  netlink_rcv_skb (net/netlink/af_netlink.c:2556)
[  346.542142][ T8913]  ? genl_family_rcv_msg (net/netlink/genetlink.c:1136 (discriminator 2))
[  346.542146][ T8913]  ? netlink_ack (./include/linux/skbuff.h:2718)
[  346.542155][ T8913]  ? 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))
[  346.542158][ T8913]  ? 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))
[  346.542166][ T8913]  genl_rcv (net/netlink/genetlink.c:1218)
[  346.542169][ T8913]  netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[  346.542174][ T8913]  ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[  346.542176][ T8913]  ? _raw_spin_unlock_irqrestore (./include/linux/spinlock_api_smp.h:210 (discriminator 6) kernel/locking/spinlock.c:221 (discriminator 6))
[  346.542181][ T8913]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[  346.542185][ T8913]  netlink_sendmsg (net/netlink/af_netlink.c:1900)
[  346.542189][ T8913]  ? netlink_unicast (./include/net/net_namespace.h:422 (discriminator 7))
[  346.542191][ T8913]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[  346.542194][ T8913]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554)
[  346.542199][ T8913]  __sock_sendmsg (net/socket.c:800 (discriminator 4) net/socket.c:815 (discriminator 4))
[  346.542202][ T8913]  ? fdget (fs/file.c:1200 fs/file.c:1208)
[  346.542206][ T8913]  __sys_sendto (net/socket.c:2281)
[  346.542210][ T8913]  ? __ia32_sys_getpeername (net/socket.c:2235)
[  346.542221][ T8913]  ? exc_page_fault (arch/x86/mm/fault.c:1483 arch/x86/mm/fault.c:1536)
[  346.542228][ T8913]  __x64_sys_sendto (net/socket.c:2288 net/socket.c:2284 net/socket.c:2284)
[  346.542230][ T8913]  ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22))
[  346.542234][ T8913]  ? lockdep_hardirqs_on (kernel/locking/lockdep.c:4488)
[  346.542235][ T8913]  ? do_syscall_64 (arch/x86/entry/syscall_64.c:81 (discriminator 44))
[  346.542238][ T8913]  do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84)
[  346.542240][ T8913]  ? exc_page_fault (arch/x86/mm/fault.c:1489 (discriminator 3) arch/x86/mm/fault.c:1536 (discriminator 3))
[  346.542243][ T8913]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[  346.542245][ T8913] RIP: 0033:0x7f61fc1a0312
[  346.542249][ T8913] Code: 08 0f 85 71 41 ff ff 49 89 fb 48 89 f0 48 89 d7 48 89 ce 4c 89 c2 4d 89 ca 4c 8b 44 24 08 4c 8b 4c 24 10 4c 89 5c 24 08 0f 05 <c3> 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 00 f3 0f 1e fa 55 bf 01 00
All code
========
   0:	08 0f                	or     %cl,(%rdi)
   2:	85 71 41             	test   %esi,0x41(%rcx)
   5:	ff                   	(bad)
   6:	ff 49 89             	decl   -0x77(%rcx)
   9:	fb                   	sti
   a:	48 89 f0             	mov    %rsi,%rax
   d:	48 89 d7             	mov    %rdx,%rdi
  10:	48 89 ce             	mov    %rcx,%rsi
  13:	4c 89 c2             	mov    %r8,%rdx
  16:	4d 89 ca             	mov    %r9,%r10
  19:	4c 8b 44 24 08       	mov    0x8(%rsp),%r8
  1e:	4c 8b 4c 24 10       	mov    0x10(%rsp),%r9
  23:	4c 89 5c 24 08       	mov    %r11,0x8(%rsp)
  28:	0f 05                	syscall
  2a:*	c3                   	ret		<-- trapping instruction
  2b:	66 2e 0f 1f 84 00 00 	cs nopw 0x0(%rax,%rax,1)
  32:	00 00 00 
  35:	0f 1f 00             	nopl   (%rax)
  38:	f3 0f 1e fa          	endbr64
  3c:	55                   	push   %rbp
  3d:	bf                   	.byte 0xbf
  3e:	01 00                	add    %eax,(%rax)

Code starting with the faulting instruction
===========================================
   0:	c3                   	ret
   1:	66 2e 0f 1f 84 00 00 	cs nopw 0x0(%rax,%rax,1)
   8:	00 00 00 
   b:	0f 1f 00             	nopl   (%rax)
   e:	f3 0f 1e fa          	endbr64
  12:	55                   	push   %rbp
  13:	bf                   	.byte 0xbf
  14:	01 00                	add    %eax,(%rax)
[  346.542251][ T8913] RSP: 002b:00007fff4d1d1288 EFLAGS: 00000246 ORIG_RAX: 000000000000002c
[  346.542254][ T8913] RAX: ffffffffffffffda RBX: 00007fff4d1d13b8 RCX: 00007f61fc1a0312
[  346.542256][ T8913] RDX: 0000000000000038 RSI: 00007f61f85e2170 RDI: 0000000000000023
[  346.542257][ T8913] RBP: 00007fff4d1d12b0 R08: 00007fff4d1d1430 R09: 000000000000000c
[  346.542257][ T8913] R10: 0000000000000000 R11: 0000000000000246 R12: 00007f61fa00a190
[  346.542259][ T8913] R13: 00007fff4d1d13b8 R14: 00007f61fbabf01a R15: 00007fff4d1d17a8
| [  347.695616][ T8940] softirqs last disabled at (391486): inet6_fill_ifla6_attrs (net/ipv6/addrconf.c:5883)
| [  347.695618][ T8940] Preemption disabled at:
| [  347.695619][ T8940] vprintk_emit (kernel/printk/printk.c:2471)
| [  347.695629][ T8940] Tainted: [W]=WARN
[  347.695630][ T8940] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[  347.695631][ T8940] Call Trace:
[  347.695633][ T8940]  <TASK>
[  347.695635][ T8940]  dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120)
[  347.695642][ T8940]  ? vprintk_emit (kernel/printk/printk.c:2471)
[  347.695644][ T8940]  __might_resched.cold (kernel/sched/core.c:9234)
[  347.695648][ T8940]  ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3))
[  347.695653][ T8940]  ? __kmalloc_noprof (./include/linux/sched/mm.h:317 mm/slub.c:4636 mm/slub.c:4974 mm/slub.c:5413 mm/slub.c:5439)
[  347.695658][ T8940]  __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))
[  347.695661][ T8940]  ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[  347.695671][ T8940]  ? 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)
[  347.695674][ T8940]  alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[  347.695679][ T8940]  put_chars (drivers/char/virtio_console.c:1176)
[  347.695682][ T8940]  ? __send_to_port (drivers/char/virtio_console.c:654)
[  347.695686][ T8940]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380)
[  347.695689][ T8940]  ? validate_chain (kernel/locking/lockdep.c:3817 (discriminator 2) kernel/locking/lockdep.c:3837 (discriminator 2) kernel/locking/lockdep.c:3892 (discriminator 2))
[  347.695694][ T8940]  hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2))
[  347.695700][ T8940]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[  347.695703][ T8940]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[  347.695712][ T8940]  ? hvc_write (drivers/tty/hvc/hvc_console.c:501)
[  347.695718][ T8940]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  347.695720][ T8940]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  347.695725][ T8940]  console_emit_next_record (kernel/printk/printk.c:3183)
[  347.695729][ T8940]  ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20)
[  347.695732][ T8940]  ? 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))
[  347.695735][ T8940]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  347.695737][ T8940]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  347.695743][ T8940]  console_flush_one_record (kernel/printk/printk.c:3268)
[  347.695748][ T8940]  ? console_emit_next_record (kernel/printk/printk.c:3150)
[  347.695750][ T8940]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[  347.695756][ T8940]  console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420)
[  347.695759][ T8940]  ? console_flush_one_record (kernel/printk/printk.c:3316)
[  347.695761][ T8940]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  347.695764][ T8940]  ? 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)
[  347.695768][ T8940]  ? __down_trylock_console_sem (kernel/printk/printk.c:334)
[  347.695770][ T8940]  ? vprintk_emit (kernel/printk/printk.c:2478)
[  347.695773][ T8940]  vprintk_emit (kernel/printk/printk.c:2479)
[  347.695777][ T8940]  ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126))
[  347.695782][ T8940]  _printk (kernel/printk/printk.c:2504)
[  347.695786][ T8940]  ? snapshot_read.cold (user.c:?)
[  347.695789][ T8940]  ? lockdep_rtnl_is_held (./include/linux/lockdep.h:249 net/core/rtnetlink.c:182)
[  347.695792][ T8940]  ? netdev_upper_get_next_dev_rcu (net/core/dev.c:8213 (discriminator 5))
[  347.695796][ T8940]  ? 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)
[  347.695798][ T8940]  ? __netdev_update_features (net/core/dev.c:11078 (discriminator 2))
[  347.695800][ T8940]  ? netdev_name (./include/linux/netdevice.h:5709 (discriminator 1))
[  347.695804][ T8940]  ? __netdev_printk (net/core/dev.c:13148 (discriminator 2))
[  347.695808][ T8940]  netdev_info (net/core/dev.c:13195 (discriminator 3))
[  347.695811][ T8940]  ? netdev_notice (net/core/dev.c:13194)
[  347.695814][ T8940]  ? ovs_netdev_link (net/openvswitch/vport-netdev.c:85) openvswitch
[  347.695824][ T8940]  ? 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)
[  347.695827][ T8940]  __dev_set_promiscuity.cold (net/core/dev.c:9672 (discriminator 3))
[  347.695831][ T8940]  netif_set_promiscuity (net/core/dev.c:9699)
[  347.695836][ T8940]  dev_set_promiscuity (net/core/dev_api.c:288)
[  347.695839][ T8940]  ? dev_disable_lro (net/core/dev_api.c:267)
[  347.695842][ T8940] ovs_netdev_link (net/openvswitch/vport-netdev.c:106) openvswitch
[  347.695848][ T8940] ovs_vport_add (net/openvswitch/vport.c:209) openvswitch
[  347.695854][ T8940] new_vport (net/openvswitch/datapath.c:203) openvswitch
[  347.695859][ T8940]  ? ovs_lookup_vport (./include/linux/lockdep.h:249 net/openvswitch/datapath.c:120 net/openvswitch/datapath.c:117 net/openvswitch/datapath.c:190) openvswitch
[  347.695864][ T8940] ovs_vport_cmd_new (net/openvswitch/datapath.c:2389) openvswitch
[  347.695871][ T8940]  ? ovs_vport_cmd_fill_info.isra.0 (./include/net/netlink.h:1107 (discriminator 1)) openvswitch
[  347.695875][ T8940]  ? __nla_validate_parse (lib/nlattr.c:635)
[  347.695882][ T8940]  ? __nla_parse (lib/nlattr.c:732)
[  347.695885][ T8940]  ? genl_family_rcv_msg_attrs_parse.isra.0 (./include/net/netlink.h:789 (discriminator 2) net/netlink/genetlink.c:944 (discriminator 2))
[  347.695892][ T8940]  genl_family_rcv_msg_doit (net/netlink/genetlink.c:1114)
[  347.695897][ T8940]  ? genl_family_rcv_msg_attrs_parse.isra.0 (./include/net/netlink.h:785 (discriminator 2))
[  347.695911][ T8940]  ? security_capable (security/security.c:660 (discriminator 11))
[  347.695916][ T8940]  genl_family_rcv_msg (net/netlink/genetlink.c:1194)
[  347.695921][ T8940]  ? genl_family_rcv_msg_dumpit (net/netlink/genetlink.c:1079)
[  347.695925][ T8940]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380)
[  347.695927][ T8940]  ? ovs_vport_cmd_fill_info.isra.0 (./include/net/netlink.h:1107 (discriminator 1)) openvswitch
[  347.695932][ T8940]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[  347.695939][ T8940]  genl_rcv_msg (net/netlink/genetlink.c:1209)
[  347.695943][ T8940]  netlink_rcv_skb (net/netlink/af_netlink.c:2556)
[  347.695946][ T8940]  ? genl_family_rcv_msg (net/netlink/genetlink.c:1136 (discriminator 2))
[  347.695949][ T8940]  ? netlink_ack (./include/linux/skbuff.h:2718)
[  347.695957][ T8940]  ? 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))
[  347.695960][ T8940]  ? 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))
[  347.695964][ T8940]  genl_rcv (net/netlink/genetlink.c:1218)
[  347.695967][ T8940]  netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[  347.695971][ T8940]  ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[  347.695975][ T8940]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[  347.695979][ T8940]  netlink_sendmsg (net/netlink/af_netlink.c:1900)
[  347.695984][ T8940]  ? netlink_unicast (./include/net/net_namespace.h:422 (discriminator 7))
[  347.695985][ T8940]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[  347.695989][ T8940]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554)
[  347.695994][ T8940]  __sock_sendmsg (net/socket.c:800 (discriminator 4) net/socket.c:815 (discriminator 4))
[  347.695997][ T8940]  ? fdget (fs/file.c:1200 fs/file.c:1208)
[  347.696001][ T8940]  __sys_sendto (net/socket.c:2281)
[  347.696005][ T8940]  ? __ia32_sys_getpeername (net/socket.c:2235)
[  347.696010][ T8940]  ? do_futex (kernel/futex/syscalls.c:138)
[  347.696014][ T8940]  ? __ia32_sys_get_robust_list (kernel/futex/syscalls.c:94)
[  347.696020][ T8940]  ? exc_page_fault (arch/x86/mm/fault.c:1483 arch/x86/mm/fault.c:1536)
[  347.696024][ T8940]  ? do_futex (kernel/futex/syscalls.c:153 (discriminator 1))
[  347.696028][ T8940]  __x64_sys_sendto (net/socket.c:2288 net/socket.c:2284 net/socket.c:2284)
[  347.696031][ T8940]  ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22))
[  347.696034][ T8940]  ? lockdep_hardirqs_on (kernel/locking/lockdep.c:4488)
[  347.696036][ T8940]  ? do_syscall_64 (arch/x86/entry/syscall_64.c:81 (discriminator 44))
[  347.696039][ T8940]  do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84)
[  347.696041][ T8940]  ? exc_page_fault (arch/x86/mm/fault.c:1489 (discriminator 3) arch/x86/mm/fault.c:1536 (discriminator 3))
[  347.696044][ T8940]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[  347.696046][ T8940] RIP: 0033:0x7fb6ace2b312
[  347.696050][ T8940] Code: 08 0f 85 71 41 ff ff 49 89 fb 48 89 f0 48 89 d7 48 89 ce 4c 89 c2 4d 89 ca 4c 8b 44 24 08 4c 8b 4c 24 10 4c 89 5c 24 08 0f 05 <c3> 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 00 f3 0f 1e fa 55 bf 01 00
All code
========
   0:	08 0f                	or     %cl,(%rdi)
   2:	85 71 41             	test   %esi,0x41(%rcx)
   5:	ff                   	(bad)
   6:	ff 49 89             	decl   -0x77(%rcx)
   9:	fb                   	sti
   a:	48 89 f0             	mov    %rsi,%rax
   d:	48 89 d7             	mov    %rdx,%rdi
  10:	48 89 ce             	mov    %rcx,%rsi
  13:	4c 89 c2             	mov    %r8,%rdx
  16:	4d 89 ca             	mov    %r9,%r10
  19:	4c 8b 44 24 08       	mov    0x8(%rsp),%r8
  1e:	4c 8b 4c 24 10       	mov    0x10(%rsp),%r9
  23:	4c 89 5c 24 08       	mov    %r11,0x8(%rsp)
  28:	0f 05                	syscall
  2a:*	c3                   	ret		<-- trapping instruction
  2b:	66 2e 0f 1f 84 00 00 	cs nopw 0x0(%rax,%rax,1)
  32:	00 00 00 
  35:	0f 1f 00             	nopl   (%rax)
  38:	f3 0f 1e fa          	endbr64
  3c:	55                   	push   %rbp
  3d:	bf                   	.byte 0xbf
  3e:	01 00                	add    %eax,(%rax)

Code starting with the faulting instruction
===========================================
   0:	c3                   	ret
   1:	66 2e 0f 1f 84 00 00 	cs nopw 0x0(%rax,%rax,1)
   8:	00 00 00 
   b:	0f 1f 00             	nopl   (%rax)
   e:	f3 0f 1e fa          	endbr64
  12:	55                   	push   %rbp
  13:	bf                   	.byte 0xbf
  14:	01 00                	add    %eax,(%rax)
[  347.696052][ T8940] RSP: 002b:00007fff991bde98 EFLAGS: 00000246 ORIG_RAX: 000000000000002c
[  347.696055][ T8940] RAX: ffffffffffffffda RBX: 00007fff991bdfc8 RCX: 00007fb6ace2b312
[  347.696057][ T8940] RDX: 0000000000000034 RSI: 00007fb6a8104f70 RDI: 0000000000000023
[  347.696058][ T8940] RBP: 00007fff991bdec0 R08: 00007fff991be040 R09: 000000000000000c
[  347.696059][ T8940] R10: 0000000000000000 R11: 0000000000000246 R12: 00007fb6aac8e190
[  347.696060][ T8940] R13: 00007fff991bdfc8 R14: 00007fb6ac74a01a R15: 00007fff991be3b8
| [  357.385128][   T12] softirqs last disabled at (8709214): __neigh_ifdown.isra.0 (./include/linux/spinlock.h:353 net/core/neighbour.c:464)
| [  357.385131][   T12] Preemption disabled at:
| [  357.385132][   T12] vprintk_emit (kernel/printk/printk.c:2471)
| [  357.385141][   T12] Tainted: [W]=WARN
[  357.385142][   T12] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[  357.385144][   T12] Workqueue: netns cleanup_net
[  357.385147][   T12] Call Trace:
[  357.385149][   T12]  <TASK>
[  357.385151][   T12]  dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120)
[  357.385157][   T12]  ? vprintk_emit (kernel/printk/printk.c:2471)
[  357.385159][   T12]  __might_resched.cold (kernel/sched/core.c:9234)
[  357.385164][   T12]  ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3))
[  357.385168][   T12]  ? __kmalloc_noprof (./include/linux/sched/mm.h:317 mm/slub.c:4636 mm/slub.c:4974 mm/slub.c:5413 mm/slub.c:5439)
[  357.385172][   T12]  __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))
[  357.385174][   T12]  ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[  357.385181][   T12]  ? 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)
[  357.385184][   T12]  alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[  357.385188][   T12]  put_chars (drivers/char/virtio_console.c:1176)
[  357.385190][   T12]  ? prb_final_commit (kernel/printk/printk_ringbuffer.c:1842)
[  357.385193][   T12]  ? __send_to_port (drivers/char/virtio_console.c:654)
[  357.385196][   T12]  ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4116 (discriminator 3) kernel/rcu/tree.c:4108 (discriminator 3))
[  357.385199][   T12]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380)
[  357.385202][   T12]  ? validate_chain (kernel/locking/lockdep.c:3817 (discriminator 2) kernel/locking/lockdep.c:3837 (discriminator 2) kernel/locking/lockdep.c:3892 (discriminator 2))
[  357.385207][   T12]  hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2))
[  357.385211][   T12]  ? mark_usage (kernel/locking/lockdep.c:4690)
[  357.385213][   T12]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[  357.385215][   T12]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[  357.385219][   T12]  ? hvc_write (drivers/tty/hvc/hvc_console.c:501)
[  357.385222][   T12]  ? console_emit_next_record (kernel/printk/printk.c:3095 (discriminator 2) kernel/printk/printk.c:3182 (discriminator 2))
[  357.385226][   T12]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  357.385228][   T12]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  357.385232][   T12]  console_emit_next_record (kernel/printk/printk.c:3183)
[  357.385237][   T12]  ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20)
[  357.385239][   T12]  ? 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))
[  357.385242][   T12]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  357.385244][   T12]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  357.385248][   T12]  console_flush_one_record (kernel/printk/printk.c:3268)
[  357.385253][   T12]  ? console_emit_next_record (kernel/printk/printk.c:3150)
[  357.385255][   T12]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[  357.385261][   T12]  console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420)
[  357.385264][   T12]  ? console_flush_one_record (kernel/printk/printk.c:3316)
[  357.385266][   T12]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  357.385268][   T12]  ? 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)
[  357.385272][   T12]  ? __down_trylock_console_sem (kernel/printk/printk.c:334)
[  357.385275][   T12]  ? vprintk_emit (kernel/printk/printk.c:2478)
[  357.385278][   T12]  vprintk_emit (kernel/printk/printk.c:2479)
[  357.385281][   T12]  ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126))
[  357.385284][   T12]  ? net_disable_timestamp (./include/linux/workqueue.h:761)
[  357.385286][   T12]  ? net_generic (./include/linux/rcupdate.h:882 ./include/net/netns/generic.h:48) vxlan
[  357.385296][   T12]  _printk (kernel/printk/printk.c:2504)
[  357.385300][   T12]  ? snapshot_read.cold (user.c:?)
[  357.385305][   T12]  ? netdev_name (./include/linux/netdevice.h:5709 (discriminator 1))
[  357.385308][   T12]  ? __netdev_printk (net/core/dev.c:13148 (discriminator 2))
[  357.385313][   T12]  netdev_info (net/core/dev.c:13195 (discriminator 3))
[  357.385316][   T12]  ? netdev_notice (net/core/dev.c:13194)
[  357.385318][   T12]  ? __netdev_upper_dev_unlink (net/core/dev.c:9094)
[  357.385322][   T12]  ? synchronize_rcu_expedited (kernel/rcu/tree_exp.h:985)
[  357.385328][   T12]  ? 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)
[  357.385331][   T12]  __dev_set_promiscuity.cold (net/core/dev.c:9672 (discriminator 3))
[  357.385334][   T12]  netif_set_promiscuity (net/core/dev.c:9699)
[  357.385338][   T12]  dev_set_promiscuity (net/core/dev_api.c:288)
[  357.385340][   T12]  ? rtnl_is_locked (net/core/rtnetlink.c:169)
[  357.385344][   T12] ovs_netdev_detach_dev (net/openvswitch/vport-netdev.c:174) openvswitch
[  357.385351][   T12] dp_device_event (net/openvswitch/dp_notify.c:74) openvswitch
[  357.385356][   T12]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  357.385359][   T12]  notifier_call_chain (kernel/notifier.c:85)
[  357.385365][   T12]  unregister_netdevice_many_notify (net/core/dev.c:2313 net/core/dev.c:2327 net/core/dev.c:12518)
[  357.385371][   T12]  ? unregister_netdevice_queued (./include/linux/list.h:419 (discriminator 3))
[  357.385379][   T12]  default_device_exit_batch (net/core/dev.c:12589 net/core/dev.c:13288)
[  357.385382][   T12]  ? unregister_netdevice_queue (./include/linux/list.h:173)
[  357.385385][   T12]  ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3))
[  357.385388][   T12]  ? fou_exit_net (net/ipv4/fou_core.c:1228)
[  357.385393][   T12]  ops_undo_list (net/core/net_namespace.c:206 net/core/net_namespace.c:253)
[  357.385397][   T12]  ? lockdep_hardirqs_on (kernel/locking/lockdep.c:4488)
[  357.385401][   T12]  ? netns_install (./include/linux/ns_common.h:26)
[  357.385403][   T12]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554)
[  357.385406][   T12]  ? idr_destroy (lib/radix-tree.c:310 lib/radix-tree.c:674 lib/radix-tree.c:1563)
[  357.385411][   T12]  cleanup_net (net/core/net_namespace.c:706)
[  357.385415][   T12]  ? net_passive_dec (./include/linux/llist.h:241)
[  357.385419][   T12]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  357.385421][   T12]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  357.385425][   T12]  process_one_work (kernel/workqueue.c:3387)
[  357.385432][   T12]  ? __queue_delayed_work (kernel/workqueue.c:2622)
[  357.385435][   T12]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2))
[  357.385444][   T12]  worker_thread (kernel/workqueue.c:3470 kernel/workqueue.c:3551)
[  357.385451][   T12]  ? rescuer_thread (./include/linux/list.h:419 (discriminator 3))
[  357.385454][   T12]  kthread (kernel/kthread.c:436)
[  357.385456][   T12]  ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22))
[  357.385460][   T12]  ? kthread_affine_preferred (kernel/kthread.c:857)
[  357.385463][   T12]  ret_from_fork (arch/x86/kernel/process.c:158)
[  357.385468][   T12]  ? arch_exit_to_user_mode_prepare.isra.0 (arch/x86/entry/vdso/vma.c:80 (discriminator 1))
[  357.385471][   T12]  ? __switch_to (arch/x86/kernel/process_64.c:403 arch/x86/kernel/process_64.c:663)
[  357.385476][   T12]  ? kthread_affine_preferred (kernel/kthread.c:857)
[  357.385481][   T12]  ret_from_fork_asm (arch/x86/entry/entry_64.S:245)
| [  358.526890][ T9140] softirqs last disabled at (394826): inet6_fill_ifla6_attrs (net/ipv6/addrconf.c:5883)
| [  358.526893][ T9140] Preemption disabled at:
| [  358.526893][ T9140] vprintk_emit (kernel/printk/printk.c:2471)
| [  358.526907][ T9140] Tainted: [W]=WARN
[  358.526908][ T9140] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[  358.526909][ T9140] Call Trace:
[  358.526911][ T9140]  <TASK>
[  358.526913][ T9140]  dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120)
[  358.526919][ T9140]  ? vprintk_emit (kernel/printk/printk.c:2471)
[  358.526921][ T9140]  __might_resched.cold (kernel/sched/core.c:9234)
[  358.526926][ T9140]  ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3))
[  358.526931][ T9140]  ? __kmalloc_noprof (./include/linux/sched/mm.h:317 mm/slub.c:4636 mm/slub.c:4974 mm/slub.c:5413 mm/slub.c:5439)
[  358.526937][ T9140]  __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))
[  358.526939][ T9140]  ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[  358.526948][ T9140]  ? 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)
[  358.526951][ T9140]  alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[  358.526956][ T9140]  put_chars (drivers/char/virtio_console.c:1176)
[  358.526960][ T9140]  ? __send_to_port (drivers/char/virtio_console.c:654)
[  358.526961][ T9140]  ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4116 (discriminator 3) kernel/rcu/tree.c:4108 (discriminator 3))
[  358.526966][ T9140]  ? validate_chain (kernel/locking/lockdep.c:3817 (discriminator 2) kernel/locking/lockdep.c:3837 (discriminator 2) kernel/locking/lockdep.c:3892 (discriminator 2))
[  358.526972][ T9140]  hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2))
[  358.526981][ T9140]  ? hvc_write (drivers/tty/hvc/hvc_console.c:501)
[  358.526984][ T9140]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  358.526986][ T9140]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  358.526991][ T9140]  console_emit_next_record (kernel/printk/printk.c:3183)
[  358.526996][ T9140]  ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20)
[  358.526998][ T9140]  ? 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))
[  358.527001][ T9140]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  358.527003][ T9140]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  358.527008][ T9140]  console_flush_one_record (kernel/printk/printk.c:3268)
[  358.527013][ T9140]  ? console_emit_next_record (kernel/printk/printk.c:3150)
[  358.527015][ T9140]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[  358.527021][ T9140]  console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420)
[  358.527024][ T9140]  ? console_flush_one_record (kernel/printk/printk.c:3316)
[  358.527026][ T9140]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  358.527028][ T9140]  ? 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)
[  358.527032][ T9140]  ? __down_trylock_console_sem (kernel/printk/printk.c:334)
[  358.527034][ T9140]  ? vprintk_emit (kernel/printk/printk.c:2478)
[  358.527037][ T9140]  vprintk_emit (kernel/printk/printk.c:2479)
[  358.527041][ T9140]  ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126))
[  358.527044][ T9140]  ? net_disable_timestamp (./include/linux/workqueue.h:761)
[  358.527047][ T9140]  ? net_generic (./include/linux/rcupdate.h:882 ./include/net/netns/generic.h:48) vxlan
[  358.527056][ T9140]  _printk (kernel/printk/printk.c:2504)
[  358.527060][ T9140]  ? snapshot_read.cold (user.c:?)
[  358.527065][ T9140]  ? netdev_name (./include/linux/netdevice.h:5709 (discriminator 1))
[  358.527069][ T9140]  ? __netdev_printk (net/core/dev.c:13148 (discriminator 2))
[  358.527073][ T9140]  netdev_info (net/core/dev.c:13195 (discriminator 3))
[  358.527076][ T9140]  ? netdev_notice (net/core/dev.c:13194)
[  358.527078][ T9140]  ? __netdev_upper_dev_unlink (net/core/dev.c:9094)
[  358.527082][ T9140]  ? synchronize_rcu_expedited (kernel/rcu/tree_exp.h:985)
[  358.527088][ T9140]  ? 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)
[  358.527091][ T9140]  __dev_set_promiscuity.cold (net/core/dev.c:9672 (discriminator 3))
[  358.527095][ T9140]  netif_set_promiscuity (net/core/dev.c:9699)
[  358.527099][ T9140]  dev_set_promiscuity (net/core/dev_api.c:288)
[  358.527101][ T9140]  ? rtnl_is_locked (net/core/rtnetlink.c:169)
[  358.527105][ T9140] ovs_netdev_detach_dev (net/openvswitch/vport-netdev.c:174) openvswitch
[  358.527109][ T9140]  ? netdev_destroy (net/openvswitch/vport-netdev.c:189) openvswitch
[  358.527113][ T9140] netdev_destroy (net/openvswitch/vport-netdev.c:194) openvswitch
[  358.527118][ T9140] ovs_vport_cmd_del (net/openvswitch/datapath.c:2505) openvswitch
[  358.527127][ T9140]  genl_family_rcv_msg_doit (net/netlink/genetlink.c:1114)
[  358.527131][ T9140]  ? genl_family_rcv_msg_attrs_parse.isra.0 (./include/net/netlink.h:785 (discriminator 2))
[  358.527140][ T9140]  ? security_capable (security/security.c:660 (discriminator 11))
[  358.527144][ T9140]  genl_family_rcv_msg (net/netlink/genetlink.c:1194)
[  358.527148][ T9140]  ? genl_family_rcv_msg_dumpit (net/netlink/genetlink.c:1079)
[  358.527151][ T9140]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380)
[  358.527154][ T9140]  ? ovs_dp_detach_port (./include/linux/list.h:1047 (discriminator 2)) openvswitch
[  358.527159][ T9140]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[  358.527165][ T9140]  genl_rcv_msg (net/netlink/genetlink.c:1209)
[  358.527168][ T9140]  netlink_rcv_skb (net/netlink/af_netlink.c:2556)
[  358.527171][ T9140]  ? genl_family_rcv_msg (net/netlink/genetlink.c:1136 (discriminator 2))
[  358.527174][ T9140]  ? netlink_ack (./include/linux/skbuff.h:2718)
[  358.527182][ T9140]  ? 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))
[  358.527184][ T9140]  ? 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))
[  358.527189][ T9140]  genl_rcv (net/netlink/genetlink.c:1218)
[  358.527191][ T9140]  netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[  358.527196][ T9140]  ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[  358.527199][ T9140]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[  358.527203][ T9140]  netlink_sendmsg (net/netlink/af_netlink.c:1900)
[  358.527208][ T9140]  ? netlink_unicast (./include/net/net_namespace.h:422 (discriminator 7))
[  358.527210][ T9140]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[  358.527213][ T9140]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554)
[  358.527218][ T9140]  __sock_sendmsg (net/socket.c:800 (discriminator 4) net/socket.c:815 (discriminator 4))
[  358.527221][ T9140]  ? fdget (fs/file.c:1200 fs/file.c:1208)
[  358.527225][ T9140]  __sys_sendto (net/socket.c:2281)
[  358.527229][ T9140]  ? __ia32_sys_getpeername (net/socket.c:2235)
[  358.527241][ T9140]  ? exc_page_fault (arch/x86/mm/fault.c:1483 arch/x86/mm/fault.c:1536)
[  358.527247][ T9140]  __x64_sys_sendto (net/socket.c:2288 net/socket.c:2284 net/socket.c:2284)
[  358.527250][ T9140]  ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22))
[  358.527254][ T9140]  ? lockdep_hardirqs_on (kernel/locking/lockdep.c:4488)
[  358.527255][ T9140]  ? do_syscall_64 (arch/x86/entry/syscall_64.c:81 (discriminator 44))
[  358.527258][ T9140]  do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84)
[  358.527260][ T9140]  ? exc_page_fault (arch/x86/mm/fault.c:1489 (discriminator 3) arch/x86/mm/fault.c:1536 (discriminator 3))
[  358.527263][ T9140]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[  358.527265][ T9140] RIP: 0033:0x7f93fa221312
[  358.527269][ T9140] Code: 08 0f 85 71 41 ff ff 49 89 fb 48 89 f0 48 89 d7 48 89 ce 4c 89 c2 4d 89 ca 4c 8b 44 24 08 4c 8b 4c 24 10 4c 89 5c 24 08 0f 05 <c3> 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 00 f3 0f 1e fa 55 bf 01 00
All code
========
   0:	08 0f                	or     %cl,(%rdi)
   2:	85 71 41             	test   %esi,0x41(%rcx)
   5:	ff                   	(bad)
   6:	ff 49 89             	decl   -0x77(%rcx)
   9:	fb                   	sti
   a:	48 89 f0             	mov    %rsi,%rax
   d:	48 89 d7             	mov    %rdx,%rdi
  10:	48 89 ce             	mov    %rcx,%rsi
  13:	4c 89 c2             	mov    %r8,%rdx
  16:	4d 89 ca             	mov    %r9,%r10
  19:	4c 8b 44 24 08       	mov    0x8(%rsp),%r8
  1e:	4c 8b 4c 24 10       	mov    0x10(%rsp),%r9
  23:	4c 89 5c 24 08       	mov    %r11,0x8(%rsp)
  28:	0f 05                	syscall
  2a:*	c3                   	ret		<-- trapping instruction
  2b:	66 2e 0f 1f 84 00 00 	cs nopw 0x0(%rax,%rax,1)
  32:	00 00 00 
  35:	0f 1f 00             	nopl   (%rax)
  38:	f3 0f 1e fa          	endbr64
  3c:	55                   	push   %rbp
  3d:	bf                   	.byte 0xbf
  3e:	01 00                	add    %eax,(%rax)

Code starting with the faulting instruction
===========================================
   0:	c3                   	ret
   1:	66 2e 0f 1f 84 00 00 	cs nopw 0x0(%rax,%rax,1)
   8:	00 00 00 
   b:	0f 1f 00             	nopl   (%rax)
   e:	f3 0f 1e fa          	endbr64
  12:	55                   	push   %rbp
  13:	bf                   	.byte 0xbf
  14:	01 00                	add    %eax,(%rax)
[  358.527271][ T9140] RSP: 002b:00007ffc4af954b8 EFLAGS: 00000246 ORIG_RAX: 000000000000002c
[  358.527275][ T9140] RAX: ffffffffffffffda RBX: 00007ffc4af955e8 RCX: 00007f93fa221312
[  358.527277][ T9140] RDX: 0000000000000024 RSI: 00007f93f5e3d560 RDI: 0000000000000023
[  358.527279][ T9140] RBP: 00007ffc4af954e0 R08: 00007ffc4af95660 R09: 000000000000000c
[  358.527280][ T9140] R10: 0000000000000000 R11: 0000000000000246 R12: 00007f93f8079fd0
[  358.527282][ T9140] R13: 00007ffc4af955e8 R14: 00007f93f9b4001a R15: 00007ffc4af959d8
| [  360.266246][ T9166] softirqs last disabled at (389754): __alloc_skb (./include/linux/bottom_half.h:20 (discriminator 2) net/core/skbuff.c:697 (discriminator 2))
| [  360.266249][ T9166] Preemption disabled at:
| [  360.266249][ T9166] vprintk_emit (kernel/printk/printk.c:2471)
| [  360.266258][ T9166] Tainted: [W]=WARN
[  360.266259][ T9166] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[  360.266261][ T9166] Call Trace:
[  360.266263][ T9166]  <TASK>
[  360.266264][ T9166]  dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120)
[  360.266271][ T9166]  ? vprintk_emit (kernel/printk/printk.c:2471)
[  360.266272][ T9166]  __might_resched.cold (kernel/sched/core.c:9234)
[  360.266277][ T9166]  ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3))
[  360.266281][ T9166]  ? __kmalloc_noprof (./include/linux/sched/mm.h:317 mm/slub.c:4636 mm/slub.c:4974 mm/slub.c:5413 mm/slub.c:5439)
[  360.266286][ T9166]  __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))
[  360.266288][ T9166]  ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[  360.266295][ T9166]  ? 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)
[  360.266298][ T9166]  alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[  360.266302][ T9166]  put_chars (drivers/char/virtio_console.c:1176)
[  360.266305][ T9166]  ? __send_to_port (drivers/char/virtio_console.c:654)
[  360.266306][ T9166]  ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4116 (discriminator 3) kernel/rcu/tree.c:4108 (discriminator 3))
[  360.266310][ T9166]  ? validate_chain (kernel/locking/lockdep.c:3817 (discriminator 2) kernel/locking/lockdep.c:3837 (discriminator 2) kernel/locking/lockdep.c:3892 (discriminator 2))
[  360.266317][ T9166]  hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2))
[  360.266325][ T9166]  ? hvc_write (drivers/tty/hvc/hvc_console.c:501)
[  360.266328][ T9166]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  360.266330][ T9166]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  360.266335][ T9166]  console_emit_next_record (kernel/printk/printk.c:3183)
[  360.266339][ T9166]  ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20)
[  360.266341][ T9166]  ? 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))
[  360.266344][ T9166]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  360.266346][ T9166]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  360.266351][ T9166]  console_flush_one_record (kernel/printk/printk.c:3268)
[  360.266355][ T9166]  ? console_emit_next_record (kernel/printk/printk.c:3150)
[  360.266357][ T9166]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[  360.266363][ T9166]  console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420)
[  360.266366][ T9166]  ? console_flush_one_record (kernel/printk/printk.c:3316)
[  360.266368][ T9166]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  360.266370][ T9166]  ? 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)
[  360.266374][ T9166]  ? __down_trylock_console_sem (kernel/printk/printk.c:334)
[  360.266376][ T9166]  ? vprintk_emit (kernel/printk/printk.c:2478)
[  360.266379][ T9166]  vprintk_emit (kernel/printk/printk.c:2479)
[  360.266382][ T9166]  ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126))
[  360.266384][ T9166]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380)
[  360.266387][ T9166]  ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4116 (discriminator 3) kernel/rcu/tree.c:4108 (discriminator 3))
[  360.266392][ T9166]  _printk (kernel/printk/printk.c:2504)
[  360.266396][ T9166]  ? snapshot_read.cold (user.c:?)
[  360.266400][ T9166]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  360.266401][ T9166]  ? netdev_name (./include/linux/netdevice.h:5709 (discriminator 1))
[  360.266405][ T9166]  ? __netdev_printk (net/core/dev.c:13148 (discriminator 2))
[  360.266409][ T9166]  netdev_info (net/core/dev.c:13195 (discriminator 3))
[  360.266412][ T9166]  ? netdev_notice (net/core/dev.c:13194)
[  360.266414][ T9166]  ? internal_dev_destroy (net/openvswitch/vport-internal_dev.c:178) openvswitch
[  360.266420][ T9166]  ? ww_mutex_lock (kernel/locking/mutex.c:934)
[  360.266426][ T9166]  ? 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)
[  360.266429][ T9166]  __dev_set_promiscuity.cold (net/core/dev.c:9672 (discriminator 3))
[  360.266433][ T9166]  netif_set_promiscuity (net/core/dev.c:9699)
[  360.266438][ T9166]  dev_set_promiscuity (net/core/dev_api.c:288)
[  360.266441][ T9166] internal_dev_destroy (net/openvswitch/vport-internal_dev.c:179) openvswitch
[  360.266447][ T9166] __dp_destroy (net/openvswitch/datapath.c:1969 (discriminator 1)) openvswitch
[  360.266454][ T9166] ovs_dp_cmd_del (net/openvswitch/datapath.c:2003) openvswitch
[  360.266460][ T9166]  genl_family_rcv_msg_doit (net/netlink/genetlink.c:1114)
[  360.266464][ T9166]  ? genl_family_rcv_msg_attrs_parse.isra.0 (./include/net/netlink.h:785 (discriminator 2))
[  360.266473][ T9166]  ? security_capable (security/security.c:660 (discriminator 11))
[  360.266477][ T9166]  genl_family_rcv_msg (net/netlink/genetlink.c:1194)
[  360.266481][ T9166]  ? genl_family_rcv_msg_dumpit (net/netlink/genetlink.c:1079)
[  360.266484][ T9166]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380)
[  360.266486][ T9166]  ? __dp_destroy (./include/linux/list.h:242 (discriminator 2) ./include/linux/list.h:264 (discriminator 2) ./include/linux/rculist.h:178 (discriminator 2) net/openvswitch/datapath.c:1964 (discriminator 2)) openvswitch
[  360.266491][ T9166]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[  360.266497][ T9166]  genl_rcv_msg (net/netlink/genetlink.c:1209)
[  360.266500][ T9166]  netlink_rcv_skb (net/netlink/af_netlink.c:2556)
[  360.266502][ T9166]  ? genl_family_rcv_msg (net/netlink/genetlink.c:1136 (discriminator 2))
[  360.266506][ T9166]  ? netlink_ack (./include/linux/skbuff.h:2718)
[  360.266514][ T9166]  ? 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))
[  360.266516][ T9166]  ? 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))
[  360.266521][ T9166]  genl_rcv (net/netlink/genetlink.c:1218)
[  360.266523][ T9166]  netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[  360.266527][ T9166]  ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[  360.266531][ T9166]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[  360.266535][ T9166]  netlink_sendmsg (net/netlink/af_netlink.c:1900)
[  360.266539][ T9166]  ? netlink_unicast (./include/net/net_namespace.h:422 (discriminator 7))
[  360.266541][ T9166]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[  360.266545][ T9166]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554)
[  360.266550][ T9166]  __sock_sendmsg (net/socket.c:800 (discriminator 4) net/socket.c:815 (discriminator 4))
[  360.266560][ T9166]  ? fdget (fs/file.c:1200 fs/file.c:1208)
[  360.266565][ T9166]  __sys_sendto (net/socket.c:2281)
[  360.266568][ T9166]  ? __ia32_sys_getpeername (net/socket.c:2235)
[  360.266579][ T9166]  ? exc_page_fault (arch/x86/mm/fault.c:1483 arch/x86/mm/fault.c:1536)
[  360.266585][ T9166]  __x64_sys_sendto (net/socket.c:2288 net/socket.c:2284 net/socket.c:2284)
[  360.266588][ T9166]  ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22))
[  360.266592][ T9166]  ? lockdep_hardirqs_on (kernel/locking/lockdep.c:4488)
[  360.266593][ T9166]  ? do_syscall_64 (arch/x86/entry/syscall_64.c:81 (discriminator 44))
[  360.266596][ T9166]  do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84)
[  360.266598][ T9166]  ? exc_page_fault (arch/x86/mm/fault.c:1489 (discriminator 3) arch/x86/mm/fault.c:1536 (discriminator 3))
[  360.266601][ T9166]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[  360.266604][ T9166] RIP: 0033:0x7f23a8faa312
[  360.266607][ T9166] Code: 08 0f 85 71 41 ff ff 49 89 fb 48 89 f0 48 89 d7 48 89 ce 4c 89 c2 4d 89 ca 4c 8b 44 24 08 4c 8b 4c 24 10 4c 89 5c 24 08 0f 05 <c3> 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 00 f3 0f 1e fa 55 bf 01 00
All code
========
   0:	08 0f                	or     %cl,(%rdi)
   2:	85 71 41             	test   %esi,0x41(%rcx)
   5:	ff                   	(bad)
   6:	ff 49 89             	decl   -0x77(%rcx)
   9:	fb                   	sti
   a:	48 89 f0             	mov    %rsi,%rax
   d:	48 89 d7             	mov    %rdx,%rdi
  10:	48 89 ce             	mov    %rcx,%rsi
  13:	4c 89 c2             	mov    %r8,%rdx
  16:	4d 89 ca             	mov    %r9,%r10
  19:	4c 8b 44 24 08       	mov    0x8(%rsp),%r8
  1e:	4c 8b 4c 24 10       	mov    0x10(%rsp),%r9
  23:	4c 89 5c 24 08       	mov    %r11,0x8(%rsp)
  28:	0f 05                	syscall
  2a:*	c3                   	ret		<-- trapping instruction
  2b:	66 2e 0f 1f 84 00 00 	cs nopw 0x0(%rax,%rax,1)
  32:	00 00 00 
  35:	0f 1f 00             	nopl   (%rax)
  38:	f3 0f 1e fa          	endbr64
  3c:	55                   	push   %rbp
  3d:	bf                   	.byte 0xbf
  3e:	01 00                	add    %eax,(%rax)

Code starting with the faulting instruction
===========================================
   0:	c3                   	ret
   1:	66 2e 0f 1f 84 00 00 	cs nopw 0x0(%rax,%rax,1)
   8:	00 00 00 
   b:	0f 1f 00             	nopl   (%rax)
   e:	f3 0f 1e fa          	endbr64
  12:	55                   	push   %rbp
  13:	bf                   	.byte 0xbf
  14:	01 00                	add    %eax,(%rax)
[  360.266609][ T9166] RSP: 002b:00007ffc42a36e88 EFLAGS: 00000246 ORIG_RAX: 000000000000002c
[  360.266612][ T9166] RAX: ffffffffffffffda RBX: 00007ffc42a36fb8 RCX: 00007f23a8faa312
[  360.266613][ T9166] RDX: 0000000000000024 RSI: 00007f23a4bad3b0 RDI: 0000000000000020
[  360.266614][ T9166] RBP: 00007ffc42a36eb0 R08: 00007ffc42a37030 R09: 000000000000000c
[  360.266615][ T9166] R10: 0000000000000000 R11: 0000000000000246 R12: 00007f23a6e0de80
[  360.266617][ T9166] R13: 00007ffc42a36fb8 R14: 00007f23a88c901a R15: 00007ffc42a373a8
| [  364.178094][ T9273] softirqs last disabled at (379606): __alloc_skb (./include/linux/bottom_half.h:20 (discriminator 2) net/core/skbuff.c:697 (discriminator 2))
| [  364.178096][ T9273] Preemption disabled at:
| [  364.178097][ T9273] vprintk_emit (kernel/printk/printk.c:2471)
| [  364.178106][ T9273] Tainted: [W]=WARN
[  364.178107][ T9273] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[  364.178109][ T9273] Call Trace:
[  364.178111][ T9273]  <TASK>
[  364.178113][ T9273]  dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120)
[  364.178120][ T9273]  ? vprintk_emit (kernel/printk/printk.c:2471)
[  364.178123][ T9273]  __might_resched.cold (kernel/sched/core.c:9234)
[  364.178128][ T9273]  ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3))
[  364.178133][ T9273]  ? __kmalloc_noprof (./include/linux/sched/mm.h:317 mm/slub.c:4636 mm/slub.c:4974 mm/slub.c:5413 mm/slub.c:5439)
[  364.178137][ T9273]  __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))
[  364.178139][ T9273]  ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[  364.178146][ T9273]  ? 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)
[  364.178149][ T9273]  alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[  364.178153][ T9273]  put_chars (drivers/char/virtio_console.c:1176)
[  364.178155][ T9273]  ? __send_to_port (drivers/char/virtio_console.c:654)
[  364.178158][ T9273]  ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4116 (discriminator 3) kernel/rcu/tree.c:4108 (discriminator 3))
[  364.178161][ T9273]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380)
[  364.178164][ T9273]  ? validate_chain (kernel/locking/lockdep.c:3817 (discriminator 2) kernel/locking/lockdep.c:3837 (discriminator 2) kernel/locking/lockdep.c:3892 (discriminator 2))
[  364.178168][ T9273]  hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2))
[  364.178173][ T9273]  ? mark_usage (kernel/locking/lockdep.c:4690)
[  364.178175][ T9273]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[  364.178177][ T9273]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[  364.178181][ T9273]  ? hvc_write (drivers/tty/hvc/hvc_console.c:501)
[  364.178183][ T9273]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2))
[  364.178188][ T9273]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  364.178192][ T9273]  console_emit_next_record (kernel/printk/printk.c:3183)
[  364.178196][ T9273]  ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20)
[  364.178198][ T9273]  ? 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))
[  364.178202][ T9273]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  364.178204][ T9273]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  364.178208][ T9273]  console_flush_one_record (kernel/printk/printk.c:3268)
[  364.178213][ T9273]  ? console_emit_next_record (kernel/printk/printk.c:3150)
[  364.178215][ T9273]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[  364.178220][ T9273]  console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420)
[  364.178223][ T9273]  ? console_flush_one_record (kernel/printk/printk.c:3316)
[  364.178226][ T9273]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  364.178227][ T9273]  ? 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)
[  364.178231][ T9273]  ? __down_trylock_console_sem (kernel/printk/printk.c:334)
[  364.178233][ T9273]  ? vprintk_emit (kernel/printk/printk.c:2478)
[  364.178236][ T9273]  vprintk_emit (kernel/printk/printk.c:2479)
[  364.178240][ T9273]  ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126))
[  364.178242][ T9273]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554)
[  364.178244][ T9273]  ? genl_family_rcv_msg (net/netlink/genetlink.c:1194)
[  364.178249][ T9273]  _printk (kernel/printk/printk.c:2504)
[  364.178252][ T9273]  ? snapshot_read.cold (user.c:?)
[  364.178254][ T9273]  ? ___ratelimit (lib/ratelimit.c:97 (discriminator 3))
[  364.178260][ T9273]  ? idr_get_free (??:?)
[  364.178265][ T9273]  validate_nla.cold (lib/nlattr.c:414 (discriminator 4))
[  364.178275][ T9273]  ? nla_get_range_signed (lib/nlattr.c:270)
[  364.178281][ T9273]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  364.178283][ T9273]  ? trace_kmalloc (./include/trace/events/kmem.h:57 (discriminator 22))
[  364.178287][ T9273]  __nla_validate_parse (lib/nlattr.c:635)
[  364.178292][ T9273]  __nla_parse (lib/nlattr.c:732)
[  364.178295][ T9273]  genl_family_rcv_msg_attrs_parse.isra.0 (./include/net/netlink.h:789 (discriminator 2) net/netlink/genetlink.c:944 (discriminator 2))
[  364.178300][ T9273]  genl_family_rcv_msg_doit (net/netlink/genetlink.c:1092)
[  364.178304][ T9273]  ? genl_family_rcv_msg_attrs_parse.isra.0 (./include/net/netlink.h:785 (discriminator 2))
[  364.178313][ T9273]  ? security_capable (security/security.c:660 (discriminator 11))
[  364.178320][ T9273]  genl_family_rcv_msg (net/netlink/genetlink.c:1194)
[  364.178324][ T9273]  ? genl_family_rcv_msg_dumpit (net/netlink/genetlink.c:1079)
[  364.178327][ T9273]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380)
[  364.178330][ T9273]  ? ovs_dp_cmd_get (./include/net/net_namespace.h:422 (discriminator 7)) openvswitch
[  364.178339][ T9273]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[  364.178345][ T9273]  genl_rcv_msg (net/netlink/genetlink.c:1209)
[  364.178349][ T9273]  netlink_rcv_skb (net/netlink/af_netlink.c:2556)
[  364.178351][ T9273]  ? genl_family_rcv_msg (net/netlink/genetlink.c:1136 (discriminator 2))
[  364.178355][ T9273]  ? netlink_ack (./include/linux/skbuff.h:2718)
[  364.178362][ T9273]  ? 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))
[  364.178364][ T9273]  ? 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))
[  364.178369][ T9273]  genl_rcv (net/netlink/genetlink.c:1218)
[  364.178371][ T9273]  netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[  364.178375][ T9273]  ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[  364.178379][ T9273]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[  364.178383][ T9273]  netlink_sendmsg (net/netlink/af_netlink.c:1900)
[  364.178387][ T9273]  ? netlink_unicast (./include/net/net_namespace.h:422 (discriminator 7))
[  364.178389][ T9273]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[  364.178392][ T9273]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554)
[  364.178397][ T9273]  __sock_sendmsg (net/socket.c:800 (discriminator 4) net/socket.c:815 (discriminator 4))
[  364.178400][ T9273]  ? fdget (fs/file.c:1200 fs/file.c:1208)
[  364.178404][ T9273]  __sys_sendto (net/socket.c:2281)
[  364.178407][ T9273]  ? __ia32_sys_getpeername (net/socket.c:2235)
[  364.178413][ T9273]  ? rcutree_report_cpu_dead (kernel/rcu/tree.c:4507)
[  364.178422][ T9273]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554)
[  364.178426][ T9273]  __x64_sys_sendto (net/socket.c:2288 net/socket.c:2284 net/socket.c:2284)
[  364.178428][ T9273]  ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22))
[  364.178432][ T9273]  ? lockdep_hardirqs_on (kernel/locking/lockdep.c:4488)
[  364.178435][ T9273]  ? do_syscall_64 (arch/x86/entry/syscall_64.c:81 (discriminator 44))
[  364.178438][ T9273]  do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84)
[  364.178440][ T9273]  ? irq_exit_rcu (kernel/softirq.c:786)
[  364.178444][ T9273]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[  364.178446][ T9273] RIP: 0033:0x7f494082a312
[  364.178450][ T9273] Code: 08 0f 85 71 41 ff ff 49 89 fb 48 89 f0 48 89 d7 48 89 ce 4c 89 c2 4d 89 ca 4c 8b 44 24 08 4c 8b 4c 24 10 4c 89 5c 24 08 0f 05 <c3> 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 00 f3 0f 1e fa 55 bf 01 00
All code
========
   0:	08 0f                	or     %cl,(%rdi)
   2:	85 71 41             	test   %esi,0x41(%rcx)
   5:	ff                   	(bad)
   6:	ff 49 89             	decl   -0x77(%rcx)
   9:	fb                   	sti
   a:	48 89 f0             	mov    %rsi,%rax
   d:	48 89 d7             	mov    %rdx,%rdi
  10:	48 89 ce             	mov    %rcx,%rsi
  13:	4c 89 c2             	mov    %r8,%rdx
  16:	4d 89 ca             	mov    %r9,%r10
  19:	4c 8b 44 24 08       	mov    0x8(%rsp),%r8
  1e:	4c 8b 4c 24 10       	mov    0x10(%rsp),%r9
  23:	4c 89 5c 24 08       	mov    %r11,0x8(%rsp)
  28:	0f 05                	syscall
  2a:*	c3                   	ret		<-- trapping instruction
  2b:	66 2e 0f 1f 84 00 00 	cs nopw 0x0(%rax,%rax,1)
  32:	00 00 00 
  35:	0f 1f 00             	nopl   (%rax)
  38:	f3 0f 1e fa          	endbr64
  3c:	55                   	push   %rbp
  3d:	bf                   	.byte 0xbf
  3e:	01 00                	add    %eax,(%rax)

Code starting with the faulting instruction
===========================================
   0:	c3                   	ret
   1:	66 2e 0f 1f 84 00 00 	cs nopw 0x0(%rax,%rax,1)
   8:	00 00 00 
   b:	0f 1f 00             	nopl   (%rax)
   e:	f3 0f 1e fa          	endbr64
  12:	55                   	push   %rbp
  13:	bf                   	.byte 0xbf
  14:	01 00                	add    %eax,(%rax)
[  364.178452][ T9273] RSP: 002b:00007ffc05b5f198 EFLAGS: 00000246 ORIG_RAX: 000000000000002c
[  364.178455][ T9273] RAX: ffffffffffffffda RBX: 00007ffc05b5f2c8 RCX: 00007f494082a312
[  364.178456][ T9273] RDX: 0000000000000044 RSI: 00007f493c39f550 RDI: 0000000000000020
[  364.178457][ T9273] RBP: 00007ffc05b5f1c0 R08: 00007ffc05b5f340 R09: 000000000000000c
[  364.178458][ T9273] R10: 0000000000000000 R11: 0000000000000246 R12: 00007f493e68e0b0
[  364.178459][ T9273] R13: 00007ffc05b5f2c8 R14: 00007f494014901a R15: 00007ffc05b5f6b8
| [  365.589363][ T9305] softirqs last disabled at (391854): inet6_fill_ifla6_attrs (net/ipv6/addrconf.c:5883)
| [  365.589365][ T9305] Preemption disabled at:
| [  365.589366][ T9305] vprintk_emit (kernel/printk/printk.c:2471)
| [  365.589375][ T9305] Tainted: [W]=WARN
[  365.589375][ T9305] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[  365.589377][ T9305] Call Trace:
[  365.589379][ T9305]  <TASK>
[  365.589381][ T9305]  dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120)
[  365.589387][ T9305]  ? vprintk_emit (kernel/printk/printk.c:2471)
[  365.589389][ T9305]  __might_resched.cold (kernel/sched/core.c:9234)
[  365.589393][ T9305]  ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3))
[  365.589397][ T9305]  ? __kmalloc_noprof (./include/linux/sched/mm.h:317 mm/slub.c:4636 mm/slub.c:4974 mm/slub.c:5413 mm/slub.c:5439)
[  365.589402][ T9305]  __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))
[  365.589404][ T9305]  ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[  365.589411][ T9305]  ? 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)
[  365.589414][ T9305]  alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[  365.589418][ T9305]  put_chars (drivers/char/virtio_console.c:1176)
[  365.589421][ T9305]  ? __send_to_port (drivers/char/virtio_console.c:654)
[  365.589424][ T9305]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380)
[  365.589428][ T9305]  ? validate_chain (kernel/locking/lockdep.c:3817 (discriminator 2) kernel/locking/lockdep.c:3837 (discriminator 2) kernel/locking/lockdep.c:3892 (discriminator 2))
[  365.589432][ T9305]  hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2))
[  365.589436][ T9305]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[  365.589438][ T9305]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[  365.589443][ T9305]  ? hvc_write (drivers/tty/hvc/hvc_console.c:501)
[  365.589447][ T9305]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  365.589450][ T9305]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  365.589454][ T9305]  console_emit_next_record (kernel/printk/printk.c:3183)
[  365.589458][ T9305]  ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20)
[  365.589460][ T9305]  ? 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))
[  365.589464][ T9305]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  365.589466][ T9305]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  365.589470][ T9305]  console_flush_one_record (kernel/printk/printk.c:3268)
[  365.589475][ T9305]  ? console_emit_next_record (kernel/printk/printk.c:3150)
[  365.589477][ T9305]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[  365.589482][ T9305]  console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420)
[  365.589485][ T9305]  ? console_flush_one_record (kernel/printk/printk.c:3316)
[  365.589488][ T9305]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  365.589489][ T9305]  ? 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)
[  365.589493][ T9305]  ? __down_trylock_console_sem (kernel/printk/printk.c:334)
[  365.589495][ T9305]  ? vprintk_emit (kernel/printk/printk.c:2478)
[  365.589498][ T9305]  vprintk_emit (kernel/printk/printk.c:2479)
[  365.589502][ T9305]  ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126))
[  365.589507][ T9305]  _printk (kernel/printk/printk.c:2504)
[  365.589511][ T9305]  ? snapshot_read.cold (user.c:?)
[  365.589514][ T9305]  ? lockdep_rtnl_is_held (./include/linux/lockdep.h:249 net/core/rtnetlink.c:182)
[  365.589518][ T9305]  ? netdev_upper_get_next_dev_rcu (net/core/dev.c:8213 (discriminator 5))
[  365.589522][ T9305]  ? __netdev_update_features (net/core/dev.c:11078 (discriminator 2))
[  365.589524][ T9305]  ? netdev_name (./include/linux/netdevice.h:5709 (discriminator 1))
[  365.589527][ T9305]  ? __netdev_printk (net/core/dev.c:13148 (discriminator 2))
[  365.589531][ T9305]  netdev_info (net/core/dev.c:13195 (discriminator 3))
[  365.589534][ T9305]  ? netdev_notice (net/core/dev.c:13194)
[  365.589536][ T9305]  ? ovs_netdev_link (net/openvswitch/vport-netdev.c:85) openvswitch
[  365.589546][ T9305]  ? 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)
[  365.589549][ T9305]  __dev_set_promiscuity.cold (net/core/dev.c:9672 (discriminator 3))
[  365.589553][ T9305]  netif_set_promiscuity (net/core/dev.c:9699)
[  365.589557][ T9305]  dev_set_promiscuity (net/core/dev_api.c:288)
[  365.589559][ T9305]  ? dev_disable_lro (net/core/dev_api.c:267)
[  365.589561][ T9305] ovs_netdev_link (net/openvswitch/vport-netdev.c:106) openvswitch
[  365.589567][ T9305] ovs_vport_add (net/openvswitch/vport.c:209) openvswitch
[  365.589572][ T9305] new_vport (net/openvswitch/datapath.c:203) openvswitch
[  365.589577][ T9305]  ? ovs_lookup_vport (./include/linux/lockdep.h:249 net/openvswitch/datapath.c:120 net/openvswitch/datapath.c:117 net/openvswitch/datapath.c:190) openvswitch
[  365.589582][ T9305] ovs_vport_cmd_new (net/openvswitch/datapath.c:2389) openvswitch
[  365.589593][ T9305]  ? ovs_vport_cmd_fill_info.isra.0 (./include/net/netlink.h:1107 (discriminator 1)) openvswitch
[  365.589597][ T9305]  ? __nla_validate_parse (lib/nlattr.c:635)
[  365.589603][ T9305]  ? __nla_parse (lib/nlattr.c:732)
[  365.589606][ T9305]  ? genl_family_rcv_msg_attrs_parse.isra.0 (./include/net/netlink.h:789 (discriminator 2) net/netlink/genetlink.c:944 (discriminator 2))
[  365.589611][ T9305]  genl_family_rcv_msg_doit (net/netlink/genetlink.c:1114)
[  365.589615][ T9305]  ? genl_family_rcv_msg_attrs_parse.isra.0 (./include/net/netlink.h:785 (discriminator 2))
[  365.589624][ T9305]  ? security_capable (security/security.c:660 (discriminator 11))
[  365.589628][ T9305]  genl_family_rcv_msg (net/netlink/genetlink.c:1194)
[  365.589632][ T9305]  ? genl_family_rcv_msg_dumpit (net/netlink/genetlink.c:1079)
[  365.589635][ T9305]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380)
[  365.589637][ T9305]  ? ovs_vport_cmd_fill_info.isra.0 (./include/net/netlink.h:1107 (discriminator 1)) openvswitch
[  365.589642][ T9305]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[  365.589648][ T9305]  genl_rcv_msg (net/netlink/genetlink.c:1209)
[  365.589651][ T9305]  netlink_rcv_skb (net/netlink/af_netlink.c:2556)
[  365.589654][ T9305]  ? genl_family_rcv_msg (net/netlink/genetlink.c:1136 (discriminator 2))
[  365.589657][ T9305]  ? netlink_ack (./include/linux/skbuff.h:2718)
[  365.589665][ T9305]  ? 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))
[  365.589668][ T9305]  ? 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))
[  365.589672][ T9305]  genl_rcv (net/netlink/genetlink.c:1218)
[  365.589675][ T9305]  netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[  365.589679][ T9305]  ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[  365.589683][ T9305]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[  365.589687][ T9305]  netlink_sendmsg (net/netlink/af_netlink.c:1900)
[  365.589691][ T9305]  ? netlink_unicast (./include/net/net_namespace.h:422 (discriminator 7))
[  365.589693][ T9305]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[  365.589696][ T9305]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554)
[  365.589702][ T9305]  __sock_sendmsg (net/socket.c:800 (discriminator 4) net/socket.c:815 (discriminator 4))
[  365.589705][ T9305]  ? fdget (fs/file.c:1200 fs/file.c:1208)
[  365.589709][ T9305]  __sys_sendto (net/socket.c:2281)
[  365.589712][ T9305]  ? __ia32_sys_getpeername (net/socket.c:2235)
[  365.589719][ T9305]  ? rcutree_report_cpu_dead (kernel/rcu/tree.c:4507)
[  365.589727][ T9305]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554)
[  365.589731][ T9305]  __x64_sys_sendto (net/socket.c:2288 net/socket.c:2284 net/socket.c:2284)
[  365.589734][ T9305]  ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22))
[  365.589738][ T9305]  ? lockdep_hardirqs_on (kernel/locking/lockdep.c:4488)
[  365.589741][ T9305]  ? do_syscall_64 (arch/x86/entry/syscall_64.c:81 (discriminator 44))
[  365.589744][ T9305]  do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84)
[  365.589746][ T9305]  ? irq_exit_rcu (kernel/softirq.c:786)
[  365.589750][ T9305]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[  365.589753][ T9305] RIP: 0033:0x7f445e110312
[  365.589757][ T9305] Code: 08 0f 85 71 41 ff ff 49 89 fb 48 89 f0 48 89 d7 48 89 ce 4c 89 c2 4d 89 ca 4c 8b 44 24 08 4c 8b 4c 24 10 4c 89 5c 24 08 0f 05 <c3> 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 00 f3 0f 1e fa 55 bf 01 00
All code
========
   0:	08 0f                	or     %cl,(%rdi)
   2:	85 71 41             	test   %esi,0x41(%rcx)
   5:	ff                   	(bad)
   6:	ff 49 89             	decl   -0x77(%rcx)
   9:	fb                   	sti
   a:	48 89 f0             	mov    %rsi,%rax
   d:	48 89 d7             	mov    %rdx,%rdi
  10:	48 89 ce             	mov    %rcx,%rsi
  13:	4c 89 c2             	mov    %r8,%rdx
  16:	4d 89 ca             	mov    %r9,%r10
  19:	4c 8b 44 24 08       	mov    0x8(%rsp),%r8
  1e:	4c 8b 4c 24 10       	mov    0x10(%rsp),%r9
  23:	4c 89 5c 24 08       	mov    %r11,0x8(%rsp)
  28:	0f 05                	syscall
  2a:*	c3                   	ret		<-- trapping instruction
  2b:	66 2e 0f 1f 84 00 00 	cs nopw 0x0(%rax,%rax,1)
  32:	00 00 00 
  35:	0f 1f 00             	nopl   (%rax)
  38:	f3 0f 1e fa          	endbr64
  3c:	55                   	push   %rbp
  3d:	bf                   	.byte 0xbf
  3e:	01 00                	add    %eax,(%rax)

Code starting with the faulting instruction
===========================================
   0:	c3                   	ret
   1:	66 2e 0f 1f 84 00 00 	cs nopw 0x0(%rax,%rax,1)
   8:	00 00 00 
   b:	0f 1f 00             	nopl   (%rax)
   e:	f3 0f 1e fa          	endbr64
  12:	55                   	push   %rbp
  13:	bf                   	.byte 0xbf
  14:	01 00                	add    %eax,(%rax)
[  365.589759][ T9305] RSP: 002b:00007ffcf2812208 EFLAGS: 00000246 ORIG_RAX: 000000000000002c
[  365.589762][ T9305] RAX: ffffffffffffffda RBX: 00007ffcf2812338 RCX: 00007f445e110312
[  365.589763][ T9305] RDX: 0000000000000038 RSI: 00007f4458396ff0 RDI: 0000000000000023
[  365.589764][ T9305] RBP: 00007ffcf2812230 R08: 00007ffcf28123b0 R09: 000000000000000c
[  365.589765][ T9305] R10: 0000000000000000 R11: 0000000000000246 R12: 00007f445bf7a190
[  365.589766][ T9305] R13: 00007ffcf2812338 R14: 00007f445da2f01a R15: 00007ffcf2812728
| [  366.813611][ T9332] softirqs last disabled at (400260): inet6_fill_ifla6_attrs (net/ipv6/addrconf.c:5883)
| [  366.813614][ T9332] Preemption disabled at:
| [  366.813615][ T9332] vprintk_emit (kernel/printk/printk.c:2471)
| [  366.813627][ T9332] Tainted: [W]=WARN
[  366.813629][ T9332] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[  366.813631][ T9332] Call Trace:
[  366.813633][ T9332]  <TASK>
[  366.813636][ T9332]  dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120)
[  366.813644][ T9332]  ? vprintk_emit (kernel/printk/printk.c:2471)
[  366.813646][ T9332]  __might_resched.cold (kernel/sched/core.c:9234)
[  366.813653][ T9332]  ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3))
[  366.813660][ T9332]  ? __kmalloc_noprof (./include/linux/sched/mm.h:317 mm/slub.c:4636 mm/slub.c:4974 mm/slub.c:5413 mm/slub.c:5439)
[  366.813668][ T9332]  __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))
[  366.813673][ T9332]  ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[  366.813686][ T9332]  ? 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)
[  366.813691][ T9332]  alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[  366.813699][ T9332]  put_chars (drivers/char/virtio_console.c:1176)
[  366.813705][ T9332]  ? __send_to_port (drivers/char/virtio_console.c:654)
[  366.813714][ T9332]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380)
[  366.813720][ T9332]  ? validate_chain (kernel/locking/lockdep.c:3817 (discriminator 2) kernel/locking/lockdep.c:3837 (discriminator 2) kernel/locking/lockdep.c:3892 (discriminator 2))
[  366.813733][ T9332]  hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2))
[  366.813740][ T9332]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[  366.813743][ T9332]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[  366.813755][ T9332]  ? hvc_write (drivers/tty/hvc/hvc_console.c:501)
[  366.813763][ T9332]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  366.813767][ T9332]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  366.813777][ T9332]  console_emit_next_record (kernel/printk/printk.c:3183)
[  366.813787][ T9332]  ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20)
[  366.813790][ T9332]  ? 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))
[  366.813797][ T9332]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  366.813802][ T9332]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  366.813812][ T9332]  console_flush_one_record (kernel/printk/printk.c:3268)
[  366.813822][ T9332]  ? console_emit_next_record (kernel/printk/printk.c:3150)
[  366.813826][ T9332]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[  366.813842][ T9332]  console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420)
[  366.813848][ T9332]  ? console_flush_one_record (kernel/printk/printk.c:3316)
[  366.813852][ T9332]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  366.813857][ T9332]  ? 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)
[  366.813866][ T9332]  ? __down_trylock_console_sem (kernel/printk/printk.c:334)
[  366.813870][ T9332]  ? vprintk_emit (kernel/printk/printk.c:2478)
[  366.813877][ T9332]  vprintk_emit (kernel/printk/printk.c:2479)
[  366.813885][ T9332]  ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126))
[  366.813901][ T9332]  _printk (kernel/printk/printk.c:2504)
[  366.813907][ T9332]  ? snapshot_read.cold (user.c:?)
[  366.813912][ T9332]  ? lockdep_rtnl_is_held (./include/linux/lockdep.h:249 net/core/rtnetlink.c:182)
[  366.813917][ T9332]  ? netdev_upper_get_next_dev_rcu (net/core/dev.c:8213 (discriminator 5))
[  366.813921][ T9332]  ? 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)
[  366.813925][ T9332]  ? __netdev_update_features (net/core/dev.c:11078 (discriminator 2))
[  366.813929][ T9332]  ? netdev_name (./include/linux/netdevice.h:5709 (discriminator 1))
[  366.813934][ T9332]  ? __netdev_printk (net/core/dev.c:13148 (discriminator 2))
[  366.813942][ T9332]  netdev_info (net/core/dev.c:13195 (discriminator 3))
[  366.813947][ T9332]  ? netdev_notice (net/core/dev.c:13194)
[  366.813951][ T9332]  ? ovs_netdev_link (net/openvswitch/vport-netdev.c:85) openvswitch
[  366.813972][ T9332]  ? 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)
[  366.813977][ T9332]  __dev_set_promiscuity.cold (net/core/dev.c:9672 (discriminator 3))
[  366.813985][ T9332]  netif_set_promiscuity (net/core/dev.c:9699)
[  366.813991][ T9332]  dev_set_promiscuity (net/core/dev_api.c:288)
[  366.813995][ T9332]  ? dev_disable_lro (net/core/dev_api.c:267)
[  366.813999][ T9332] ovs_netdev_link (net/openvswitch/vport-netdev.c:106) openvswitch
[  366.814011][ T9332] ovs_vport_add (net/openvswitch/vport.c:209) openvswitch
[  366.814021][ T9332] new_vport (net/openvswitch/datapath.c:203) openvswitch
[  366.814030][ T9332]  ? ovs_lookup_vport (./include/linux/lockdep.h:249 net/openvswitch/datapath.c:120 net/openvswitch/datapath.c:117 net/openvswitch/datapath.c:190) openvswitch
[  366.814040][ T9332] ovs_vport_cmd_new (net/openvswitch/datapath.c:2389) openvswitch
[  366.814053][ T9332]  ? ovs_vport_cmd_fill_info.isra.0 (./include/net/netlink.h:1107 (discriminator 1)) openvswitch
[  366.814060][ T9332]  ? __nla_validate_parse (lib/nlattr.c:635)
[  366.814070][ T9332]  ? __nla_parse (lib/nlattr.c:732)
[  366.814075][ T9332]  ? genl_family_rcv_msg_attrs_parse.isra.0 (./include/net/netlink.h:789 (discriminator 2) net/netlink/genetlink.c:944 (discriminator 2))
[  366.814086][ T9332]  genl_family_rcv_msg_doit (net/netlink/genetlink.c:1114)
[  366.814093][ T9332]  ? genl_family_rcv_msg_attrs_parse.isra.0 (./include/net/netlink.h:785 (discriminator 2))
[  366.814111][ T9332]  ? security_capable (security/security.c:660 (discriminator 11))
[  366.814120][ T9332]  genl_family_rcv_msg (net/netlink/genetlink.c:1194)
[  366.814128][ T9332]  ? genl_family_rcv_msg_dumpit (net/netlink/genetlink.c:1079)
[  366.814133][ T9332]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380)
[  366.814137][ T9332]  ? ovs_vport_cmd_fill_info.isra.0 (./include/net/netlink.h:1107 (discriminator 1)) openvswitch
[  366.814147][ T9332]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[  366.814159][ T9332]  genl_rcv_msg (net/netlink/genetlink.c:1209)
[  366.814165][ T9332]  netlink_rcv_skb (net/netlink/af_netlink.c:2556)
[  366.814169][ T9332]  ? genl_family_rcv_msg (net/netlink/genetlink.c:1136 (discriminator 2))
[  366.814177][ T9332]  ? netlink_ack (./include/linux/skbuff.h:2718)
[  366.814193][ T9332]  ? 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))
[  366.814196][ T9332]  ? 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))
[  366.814205][ T9332]  genl_rcv (net/netlink/genetlink.c:1218)
[  366.814209][ T9332]  netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[  366.814217][ T9332]  ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[  366.814225][ T9332]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[  366.814233][ T9332]  netlink_sendmsg (net/netlink/af_netlink.c:1900)
[  366.814242][ T9332]  ? netlink_unicast (./include/net/net_namespace.h:422 (discriminator 7))
[  366.814245][ T9332]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[  366.814251][ T9332]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554)
[  366.814262][ T9332]  __sock_sendmsg (net/socket.c:800 (discriminator 4) net/socket.c:815 (discriminator 4))
[  366.814266][ T9332]  ? fdget (fs/file.c:1200 fs/file.c:1208)
[  366.814273][ T9332]  __sys_sendto (net/socket.c:2281)
[  366.814278][ T9332]  ? __ia32_sys_getpeername (net/socket.c:2235)
[  366.814304][ T9332]  ? exc_page_fault (arch/x86/mm/fault.c:1483 arch/x86/mm/fault.c:1536)
[  366.814316][ T9332]  __x64_sys_sendto (net/socket.c:2288 net/socket.c:2284 net/socket.c:2284)
[  366.814320][ T9332]  ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22))
[  366.814326][ T9332]  ? lockdep_hardirqs_on (kernel/locking/lockdep.c:4488)
[  366.814330][ T9332]  ? do_syscall_64 (arch/x86/entry/syscall_64.c:81 (discriminator 44))
[  366.814334][ T9332]  do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84)
[  366.814337][ T9332]  ? exc_page_fault (arch/x86/mm/fault.c:1489 (discriminator 3) arch/x86/mm/fault.c:1536 (discriminator 3))
[  366.814343][ T9332]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[  366.814347][ T9332] RIP: 0033:0x7f421aa13312
[  366.814352][ T9332] Code: 08 0f 85 71 41 ff ff 49 89 fb 48 89 f0 48 89 d7 48 89 ce 4c 89 c2 4d 89 ca 4c 8b 44 24 08 4c 8b 4c 24 10 4c 89 5c 24 08 0f 05 <c3> 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 00 f3 0f 1e fa 55 bf 01 00
All code
========
   0:	08 0f                	or     %cl,(%rdi)
   2:	85 71 41             	test   %esi,0x41(%rcx)
   5:	ff                   	(bad)
   6:	ff 49 89             	decl   -0x77(%rcx)
   9:	fb                   	sti
   a:	48 89 f0             	mov    %rsi,%rax
   d:	48 89 d7             	mov    %rdx,%rdi
  10:	48 89 ce             	mov    %rcx,%rsi
  13:	4c 89 c2             	mov    %r8,%rdx
  16:	4d 89 ca             	mov    %r9,%r10
  19:	4c 8b 44 24 08       	mov    0x8(%rsp),%r8
  1e:	4c 8b 4c 24 10       	mov    0x10(%rsp),%r9
  23:	4c 89 5c 24 08       	mov    %r11,0x8(%rsp)
  28:	0f 05                	syscall
  2a:*	c3                   	ret		<-- trapping instruction
  2b:	66 2e 0f 1f 84 00 00 	cs nopw 0x0(%rax,%rax,1)
  32:	00 00 00 
  35:	0f 1f 00             	nopl   (%rax)
  38:	f3 0f 1e fa          	endbr64
  3c:	55                   	push   %rbp
  3d:	bf                   	.byte 0xbf
  3e:	01 00                	add    %eax,(%rax)

Code starting with the faulting instruction
===========================================
   0:	c3                   	ret
   1:	66 2e 0f 1f 84 00 00 	cs nopw 0x0(%rax,%rax,1)
   8:	00 00 00 
   b:	0f 1f 00             	nopl   (%rax)
   e:	f3 0f 1e fa          	endbr64
  12:	55                   	push   %rbp
  13:	bf                   	.byte 0xbf
  14:	01 00                	add    %eax,(%rax)
[  366.814355][ T9332] RSP: 002b:00007ffedd055378 EFLAGS: 00000246 ORIG_RAX: 000000000000002c
[  366.814359][ T9332] RAX: ffffffffffffffda RBX: 00007ffedd0554a8 RCX: 00007f421aa13312
[  366.814361][ T9332] RDX: 0000000000000034 RSI: 00007f42144d6af0 RDI: 0000000000000023
[  366.814363][ T9332] RBP: 00007ffedd0553a0 R08: 00007ffedd055520 R09: 000000000000000c
[  366.814365][ T9332] R10: 0000000000000000 R11: 0000000000000246 R12: 00007f4218876190
[  366.814367][ T9332] R13: 00007ffedd0554a8 R14: 00007f421a33201a R15: 00007ffedd055898
| [  376.827227][   T12] softirqs last disabled at (8913136): __neigh_ifdown.isra.0 (./include/linux/spinlock.h:353 net/core/neighbour.c:464)
| [  376.827230][   T12] Preemption disabled at:
| [  376.827230][   T12] vprintk_emit (kernel/printk/printk.c:2471)
| [  376.827240][   T12] Tainted: [W]=WARN
[  376.827241][   T12] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[  376.827244][   T12] Workqueue: netns cleanup_net
[  376.827248][   T12] Call Trace:
[  376.827250][   T12]  <TASK>
[  376.827252][   T12]  dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120)
[  376.827258][   T12]  ? vprintk_emit (kernel/printk/printk.c:2471)
[  376.827260][   T12]  __might_resched.cold (kernel/sched/core.c:9234)
[  376.827265][   T12]  ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3))
[  376.827269][   T12]  ? __kmalloc_noprof (./include/linux/sched/mm.h:317 mm/slub.c:4636 mm/slub.c:4974 mm/slub.c:5413 mm/slub.c:5439)
[  376.827274][   T12]  __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))
[  376.827277][   T12]  ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[  376.827284][   T12]  ? 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)
[  376.827287][   T12]  alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[  376.827291][   T12]  put_chars (drivers/char/virtio_console.c:1176)
[  376.827293][   T12]  ? prb_final_commit (kernel/printk/printk_ringbuffer.c:1842)
[  376.827296][   T12]  ? __send_to_port (drivers/char/virtio_console.c:654)
[  376.827299][   T12]  ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4116 (discriminator 3) kernel/rcu/tree.c:4108 (discriminator 3))
[  376.827303][   T12]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380)
[  376.827306][   T12]  ? validate_chain (kernel/locking/lockdep.c:3817 (discriminator 2) kernel/locking/lockdep.c:3837 (discriminator 2) kernel/locking/lockdep.c:3892 (discriminator 2))
[  376.827310][   T12]  hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2))
[  376.827314][   T12]  ? mark_usage (kernel/locking/lockdep.c:4690)
[  376.827317][   T12]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[  376.827319][   T12]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[  376.827324][   T12]  ? hvc_write (drivers/tty/hvc/hvc_console.c:501)
[  376.827327][   T12]  ? console_emit_next_record (kernel/printk/printk.c:3095 (discriminator 2) kernel/printk/printk.c:3182 (discriminator 2))
[  376.827330][   T12]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  376.827333][   T12]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  376.827338][   T12]  console_emit_next_record (kernel/printk/printk.c:3183)
[  376.827343][   T12]  ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20)
[  376.827345][   T12]  ? 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))
[  376.827348][   T12]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  376.827351][   T12]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  376.827356][   T12]  console_flush_one_record (kernel/printk/printk.c:3268)
[  376.827362][   T12]  ? console_emit_next_record (kernel/printk/printk.c:3150)
[  376.827364][   T12]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[  376.827371][   T12]  console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420)
[  376.827374][   T12]  ? console_flush_one_record (kernel/printk/printk.c:3316)
[  376.827377][   T12]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  376.827381][   T12]  ? 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)
[  376.827388][   T12]  ? __down_trylock_console_sem (kernel/printk/printk.c:334)
[  376.827391][   T12]  ? vprintk_emit (kernel/printk/printk.c:2478)
[  376.827394][   T12]  vprintk_emit (kernel/printk/printk.c:2479)
[  376.827398][   T12]  ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126))
[  376.827401][   T12]  ? net_disable_timestamp (./include/linux/workqueue.h:761)
[  376.827403][   T12]  ? net_generic (./include/linux/rcupdate.h:882 ./include/net/netns/generic.h:48) vxlan
[  376.827413][   T12]  _printk (kernel/printk/printk.c:2504)
[  376.827418][   T12]  ? snapshot_read.cold (user.c:?)
[  376.827423][   T12]  ? netdev_name (./include/linux/netdevice.h:5709 (discriminator 1))
[  376.827427][   T12]  ? __netdev_printk (net/core/dev.c:13148 (discriminator 2))
[  376.827432][   T12]  netdev_info (net/core/dev.c:13195 (discriminator 3))
[  376.827437][   T12]  ? netdev_notice (net/core/dev.c:13194)
[  376.827440][   T12]  ? __netdev_upper_dev_unlink (net/core/dev.c:9094)
[  376.827446][   T12]  ? synchronize_rcu_expedited (kernel/rcu/tree_exp.h:985)
[  376.827452][   T12]  ? 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)
[  376.827455][   T12]  __dev_set_promiscuity.cold (net/core/dev.c:9672 (discriminator 3))
[  376.827459][   T12]  netif_set_promiscuity (net/core/dev.c:9699)
[  376.827463][   T12]  dev_set_promiscuity (net/core/dev_api.c:288)
[  376.827465][   T12]  ? rtnl_is_locked (net/core/rtnetlink.c:169)
[  376.827469][   T12] ovs_netdev_detach_dev (net/openvswitch/vport-netdev.c:174) openvswitch
[  376.827476][   T12] dp_device_event (net/openvswitch/dp_notify.c:74) openvswitch
[  376.827481][   T12]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  376.827485][   T12]  notifier_call_chain (kernel/notifier.c:85)
[  376.827496][   T12]  unregister_netdevice_many_notify (net/core/dev.c:2313 net/core/dev.c:2327 net/core/dev.c:12518)
[  376.827502][   T12]  ? unregister_netdevice_queued (./include/linux/list.h:419 (discriminator 3))
[  376.827512][   T12]  default_device_exit_batch (net/core/dev.c:12589 net/core/dev.c:13288)
[  376.827516][   T12]  ? unregister_netdevice_queue (./include/linux/list.h:173)
[  376.827519][   T12]  ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3))
[  376.827522][   T12]  ? fou_exit_net (net/ipv4/fou_core.c:1228)
[  376.827527][   T12]  ops_undo_list (net/core/net_namespace.c:206 net/core/net_namespace.c:253)
[  376.827531][   T12]  ? lockdep_hardirqs_on (kernel/locking/lockdep.c:4488)
[  376.827536][   T12]  ? netns_install (./include/linux/ns_common.h:26)
[  376.827538][   T12]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554)
[  376.827544][   T12]  ? idr_destroy (lib/radix-tree.c:310 lib/radix-tree.c:674 lib/radix-tree.c:1563)
[  376.827551][   T12]  cleanup_net (net/core/net_namespace.c:706)
[  376.827555][   T12]  ? net_passive_dec (./include/linux/llist.h:241)
[  376.827560][   T12]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  376.827562][   T12]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  376.827566][   T12]  process_one_work (kernel/workqueue.c:3387)
[  376.827575][   T12]  ? __queue_delayed_work (kernel/workqueue.c:2622)
[  376.827579][   T12]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2))
[  376.827589][   T12]  worker_thread (kernel/workqueue.c:3470 kernel/workqueue.c:3551)
[  376.827601][   T12]  ? rescuer_thread (./include/linux/list.h:419 (discriminator 3))
[  376.827604][   T12]  kthread (kernel/kthread.c:436)
[  376.827606][   T12]  ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22))
[  376.827610][   T12]  ? kthread_affine_preferred (kernel/kthread.c:857)
[  376.827613][   T12]  ret_from_fork (arch/x86/kernel/process.c:158)
[  376.827618][   T12]  ? arch_exit_to_user_mode_prepare.isra.0 (arch/x86/entry/vdso/vma.c:80 (discriminator 1))
[  376.827622][   T12]  ? __switch_to (arch/x86/kernel/process_64.c:403 arch/x86/kernel/process_64.c:663)
[  376.827626][   T12]  ? kthread_affine_preferred (kernel/kthread.c:857)
[  376.827629][   T12]  ret_from_fork_asm (arch/x86/entry/entry_64.S:245)
| [  378.019726][ T9532] softirqs last disabled at (391370): inet6_fill_ifla6_attrs (net/ipv6/addrconf.c:5883)
| [  378.019730][ T9532] Preemption disabled at:
| [  378.019731][ T9532] vprintk_emit (kernel/printk/printk.c:2471)
| [  378.019742][ T9532] Tainted: [W]=WARN
[  378.019744][ T9532] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[  378.019746][ T9532] Call Trace:
[  378.019748][ T9532]  <TASK>
[  378.019750][ T9532]  dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120)
[  378.019758][ T9532]  ? vprintk_emit (kernel/printk/printk.c:2471)
[  378.019761][ T9532]  __might_resched.cold (kernel/sched/core.c:9234)
[  378.019767][ T9532]  ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3))
[  378.019773][ T9532]  ? __kmalloc_noprof (./include/linux/sched/mm.h:317 mm/slub.c:4636 mm/slub.c:4974 mm/slub.c:5413 mm/slub.c:5439)
[  378.019780][ T9532]  __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))
[  378.019784][ T9532]  ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[  378.019794][ T9532]  ? 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)
[  378.019797][ T9532]  alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[  378.019804][ T9532]  put_chars (drivers/char/virtio_console.c:1176)
[  378.019808][ T9532]  ? __send_to_port (drivers/char/virtio_console.c:654)
[  378.019810][ T9532]  ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4116 (discriminator 3) kernel/rcu/tree.c:4108 (discriminator 3))
[  378.019816][ T9532]  ? validate_chain (kernel/locking/lockdep.c:3817 (discriminator 2) kernel/locking/lockdep.c:3837 (discriminator 2) kernel/locking/lockdep.c:3892 (discriminator 2))
[  378.019826][ T9532]  hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2))
[  378.019838][ T9532]  ? hvc_write (drivers/tty/hvc/hvc_console.c:501)
[  378.019843][ T9532]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  378.019846][ T9532]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  378.019853][ T9532]  console_emit_next_record (kernel/printk/printk.c:3183)
[  378.019860][ T9532]  ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20)
[  378.019863][ T9532]  ? 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))
[  378.019869][ T9532]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  378.019872][ T9532]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  378.019879][ T9532]  console_flush_one_record (kernel/printk/printk.c:3268)
[  378.019886][ T9532]  ? console_emit_next_record (kernel/printk/printk.c:3150)
[  378.019889][ T9532]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[  378.019903][ T9532]  console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420)
[  378.019908][ T9532]  ? console_flush_one_record (kernel/printk/printk.c:3316)
[  378.019911][ T9532]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  378.019914][ T9532]  ? 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)
[  378.019921][ T9532]  ? __down_trylock_console_sem (kernel/printk/printk.c:334)
[  378.019924][ T9532]  ? vprintk_emit (kernel/printk/printk.c:2478)
[  378.019929][ T9532]  vprintk_emit (kernel/printk/printk.c:2479)
[  378.019935][ T9532]  ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126))
[  378.019940][ T9532]  ? net_disable_timestamp (./include/linux/workqueue.h:761)
[  378.019944][ T9532]  ? net_generic (./include/linux/rcupdate.h:882 ./include/net/netns/generic.h:48) vxlan
[  378.019956][ T9532]  _printk (kernel/printk/printk.c:2504)
[  378.019962][ T9532]  ? snapshot_read.cold (user.c:?)
[  378.019969][ T9532]  ? netdev_name (./include/linux/netdevice.h:5709 (discriminator 1))
[  378.019975][ T9532]  ? __netdev_printk (net/core/dev.c:13148 (discriminator 2))
[  378.019982][ T9532]  netdev_info (net/core/dev.c:13195 (discriminator 3))
[  378.019986][ T9532]  ? netdev_notice (net/core/dev.c:13194)
[  378.019989][ T9532]  ? __netdev_upper_dev_unlink (net/core/dev.c:9094)
[  378.019996][ T9532]  ? synchronize_rcu_expedited (kernel/rcu/tree_exp.h:985)
[  378.020006][ T9532]  ? 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)
[  378.020010][ T9532]  __dev_set_promiscuity.cold (net/core/dev.c:9672 (discriminator 3))
[  378.020016][ T9532]  netif_set_promiscuity (net/core/dev.c:9699)
[  378.020022][ T9532]  dev_set_promiscuity (net/core/dev_api.c:288)
[  378.020025][ T9532]  ? rtnl_is_locked (net/core/rtnetlink.c:169)
[  378.020031][ T9532] ovs_netdev_detach_dev (net/openvswitch/vport-netdev.c:174) openvswitch
[  378.020038][ T9532]  ? netdev_destroy (net/openvswitch/vport-netdev.c:189) openvswitch
[  378.020044][ T9532] netdev_destroy (net/openvswitch/vport-netdev.c:194) openvswitch
[  378.020053][ T9532] ovs_vport_cmd_del (net/openvswitch/datapath.c:2505) openvswitch
[  378.020067][ T9532]  genl_family_rcv_msg_doit (net/netlink/genetlink.c:1114)
[  378.020073][ T9532]  ? genl_family_rcv_msg_attrs_parse.isra.0 (./include/net/netlink.h:785 (discriminator 2))
[  378.020088][ T9532]  ? security_capable (security/security.c:660 (discriminator 11))
[  378.020095][ T9532]  genl_family_rcv_msg (net/netlink/genetlink.c:1194)
[  378.020102][ T9532]  ? genl_family_rcv_msg_dumpit (net/netlink/genetlink.c:1079)
[  378.020106][ T9532]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380)
[  378.020110][ T9532]  ? ovs_dp_detach_port (./include/linux/list.h:1047 (discriminator 2)) openvswitch
[  378.020118][ T9532]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[  378.020128][ T9532]  genl_rcv_msg (net/netlink/genetlink.c:1209)
[  378.020134][ T9532]  netlink_rcv_skb (net/netlink/af_netlink.c:2556)
[  378.020137][ T9532]  ? genl_family_rcv_msg (net/netlink/genetlink.c:1136 (discriminator 2))
[  378.020143][ T9532]  ? netlink_ack (./include/linux/skbuff.h:2718)
[  378.020156][ T9532]  ? 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))
[  378.020159][ T9532]  ? 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))
[  378.020166][ T9532]  genl_rcv (net/netlink/genetlink.c:1218)
[  378.020169][ T9532]  netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[  378.020176][ T9532]  ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[  378.020183][ T9532]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[  378.020189][ T9532]  netlink_sendmsg (net/netlink/af_netlink.c:1900)
[  378.020196][ T9532]  ? netlink_unicast (./include/net/net_namespace.h:422 (discriminator 7))
[  378.020199][ T9532]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[  378.020204][ T9532]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554)
[  378.020213][ T9532]  __sock_sendmsg (net/socket.c:800 (discriminator 4) net/socket.c:815 (discriminator 4))
[  378.020217][ T9532]  ? fdget (fs/file.c:1200 fs/file.c:1208)
[  378.020223][ T9532]  __sys_sendto (net/socket.c:2281)
[  378.020228][ T9532]  ? __ia32_sys_getpeername (net/socket.c:2235)
[  378.020248][ T9532]  ? exc_page_fault (arch/x86/mm/fault.c:1483 arch/x86/mm/fault.c:1536)
[  378.020259][ T9532]  __x64_sys_sendto (net/socket.c:2288 net/socket.c:2284 net/socket.c:2284)
[  378.020262][ T9532]  ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22))
[  378.020268][ T9532]  ? lockdep_hardirqs_on (kernel/locking/lockdep.c:4488)
[  378.020270][ T9532]  ? do_syscall_64 (arch/x86/entry/syscall_64.c:81 (discriminator 44))
[  378.020274][ T9532]  do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84)
[  378.020277][ T9532]  ? exc_page_fault (arch/x86/mm/fault.c:1489 (discriminator 3) arch/x86/mm/fault.c:1536 (discriminator 3))
[  378.020281][ T9532]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[  378.020284][ T9532] RIP: 0033:0x7f2bacbeb312
[  378.020289][ T9532] Code: 08 0f 85 71 41 ff ff 49 89 fb 48 89 f0 48 89 d7 48 89 ce 4c 89 c2 4d 89 ca 4c 8b 44 24 08 4c 8b 4c 24 10 4c 89 5c 24 08 0f 05 <c3> 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 00 f3 0f 1e fa 55 bf 01 00
All code
========
   0:	08 0f                	or     %cl,(%rdi)
   2:	85 71 41             	test   %esi,0x41(%rcx)
   5:	ff                   	(bad)
   6:	ff 49 89             	decl   -0x77(%rcx)
   9:	fb                   	sti
   a:	48 89 f0             	mov    %rsi,%rax
   d:	48 89 d7             	mov    %rdx,%rdi
  10:	48 89 ce             	mov    %rcx,%rsi
  13:	4c 89 c2             	mov    %r8,%rdx
  16:	4d 89 ca             	mov    %r9,%r10
  19:	4c 8b 44 24 08       	mov    0x8(%rsp),%r8
  1e:	4c 8b 4c 24 10       	mov    0x10(%rsp),%r9
  23:	4c 89 5c 24 08       	mov    %r11,0x8(%rsp)
  28:	0f 05                	syscall
  2a:*	c3                   	ret		<-- trapping instruction
  2b:	66 2e 0f 1f 84 00 00 	cs nopw 0x0(%rax,%rax,1)
  32:	00 00 00 
  35:	0f 1f 00             	nopl   (%rax)
  38:	f3 0f 1e fa          	endbr64
  3c:	55                   	push   %rbp
  3d:	bf                   	.byte 0xbf
  3e:	01 00                	add    %eax,(%rax)

Code starting with the faulting instruction
===========================================
   0:	c3                   	ret
   1:	66 2e 0f 1f 84 00 00 	cs nopw 0x0(%rax,%rax,1)
   8:	00 00 00 
   b:	0f 1f 00             	nopl   (%rax)
   e:	f3 0f 1e fa          	endbr64
  12:	55                   	push   %rbp
  13:	bf                   	.byte 0xbf
  14:	01 00                	add    %eax,(%rax)
[  378.020292][ T9532] RSP: 002b:00007fff2c384528 EFLAGS: 00000246 ORIG_RAX: 000000000000002c
[  378.020295][ T9532] RAX: ffffffffffffffda RBX: 00007fff2c384658 RCX: 00007f2bacbeb312
[  378.020298][ T9532] RDX: 0000000000000024 RSI: 00007f2ba8851200 RDI: 0000000000000023
[  378.020299][ T9532] RBP: 00007fff2c384550 R08: 00007fff2c3846d0 R09: 000000000000000c
[  378.020301][ T9532] R10: 0000000000000000 R11: 0000000000000246 R12: 00007f2baaa4dfd0
[  378.020302][ T9532] R13: 00007fff2c384658 R14: 00007f2bac50a01a R15: 00007fff2c384a48
| [  379.836332][ T9558] softirqs last disabled at (385518): __alloc_skb (./include/linux/bottom_half.h:20 (discriminator 2) net/core/skbuff.c:697 (discriminator 2))
| [  379.836334][ T9558] Preemption disabled at:
| [  379.836335][ T9558] vprintk_emit (kernel/printk/printk.c:2471)
| [  379.836344][ T9558] Tainted: [W]=WARN
[  379.836345][ T9558] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[  379.836347][ T9558] Call Trace:
[  379.836349][ T9558]  <TASK>
[  379.836351][ T9558]  dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120)
[  379.836357][ T9558]  ? vprintk_emit (kernel/printk/printk.c:2471)
[  379.836359][ T9558]  __might_resched.cold (kernel/sched/core.c:9234)
[  379.836364][ T9558]  ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3))
[  379.836368][ T9558]  ? __kmalloc_noprof (./include/linux/sched/mm.h:317 mm/slub.c:4636 mm/slub.c:4974 mm/slub.c:5413 mm/slub.c:5439)
[  379.836373][ T9558]  __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))
[  379.836375][ T9558]  ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[  379.836382][ T9558]  ? 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)
[  379.836385][ T9558]  alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[  379.836389][ T9558]  put_chars (drivers/char/virtio_console.c:1176)
[  379.836392][ T9558]  ? __send_to_port (drivers/char/virtio_console.c:654)
[  379.836394][ T9558]  ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4116 (discriminator 3) kernel/rcu/tree.c:4108 (discriminator 3))
[  379.836398][ T9558]  ? validate_chain (kernel/locking/lockdep.c:3817 (discriminator 2) kernel/locking/lockdep.c:3837 (discriminator 2) kernel/locking/lockdep.c:3892 (discriminator 2))
[  379.836404][ T9558]  hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2))
[  379.836412][ T9558]  ? hvc_write (drivers/tty/hvc/hvc_console.c:501)
[  379.836415][ T9558]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  379.836417][ T9558]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  379.836422][ T9558]  console_emit_next_record (kernel/printk/printk.c:3183)
[  379.836426][ T9558]  ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20)
[  379.836428][ T9558]  ? 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))
[  379.836432][ T9558]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  379.836434][ T9558]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  379.836438][ T9558]  console_flush_one_record (kernel/printk/printk.c:3268)
[  379.836443][ T9558]  ? console_emit_next_record (kernel/printk/printk.c:3150)
[  379.836445][ T9558]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[  379.836451][ T9558]  console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420)
[  379.836454][ T9558]  ? console_flush_one_record (kernel/printk/printk.c:3316)
[  379.836456][ T9558]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  379.836458][ T9558]  ? 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)
[  379.836462][ T9558]  ? __down_trylock_console_sem (kernel/printk/printk.c:334)
[  379.836464][ T9558]  ? vprintk_emit (kernel/printk/printk.c:2478)
[  379.836467][ T9558]  vprintk_emit (kernel/printk/printk.c:2479)
[  379.836471][ T9558]  ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126))
[  379.836473][ T9558]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380)
[  379.836476][ T9558]  ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4116 (discriminator 3) kernel/rcu/tree.c:4108 (discriminator 3))
[  379.836480][ T9558]  _printk (kernel/printk/printk.c:2504)
[  379.836484][ T9558]  ? snapshot_read.cold (user.c:?)
[  379.836489][ T9558]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  379.836490][ T9558]  ? netdev_name (./include/linux/netdevice.h:5709 (discriminator 1))
[  379.836494][ T9558]  ? __netdev_printk (net/core/dev.c:13148 (discriminator 2))
[  379.836498][ T9558]  netdev_info (net/core/dev.c:13195 (discriminator 3))
[  379.836501][ T9558]  ? netdev_notice (net/core/dev.c:13194)
[  379.836503][ T9558]  ? internal_dev_destroy (net/openvswitch/vport-internal_dev.c:178) openvswitch
[  379.836509][ T9558]  ? ww_mutex_lock (kernel/locking/mutex.c:934)
[  379.836516][ T9558]  ? 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)
[  379.836518][ T9558]  __dev_set_promiscuity.cold (net/core/dev.c:9672 (discriminator 3))
[  379.836522][ T9558]  netif_set_promiscuity (net/core/dev.c:9699)
[  379.836527][ T9558]  dev_set_promiscuity (net/core/dev_api.c:288)
[  379.836531][ T9558] internal_dev_destroy (net/openvswitch/vport-internal_dev.c:179) openvswitch
[  379.836537][ T9558] __dp_destroy (net/openvswitch/datapath.c:1969 (discriminator 1)) openvswitch
[  379.836544][ T9558] ovs_dp_cmd_del (net/openvswitch/datapath.c:2003) openvswitch
[  379.836553][ T9558]  genl_family_rcv_msg_doit (net/netlink/genetlink.c:1114)
[  379.836558][ T9558]  ? genl_family_rcv_msg_attrs_parse.isra.0 (./include/net/netlink.h:785 (discriminator 2))
[  379.836567][ T9558]  ? security_capable (security/security.c:660 (discriminator 11))
[  379.836572][ T9558]  genl_family_rcv_msg (net/netlink/genetlink.c:1194)
[  379.836576][ T9558]  ? genl_family_rcv_msg_dumpit (net/netlink/genetlink.c:1079)
[  379.836579][ T9558]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380)
[  379.836581][ T9558]  ? __dp_destroy (./include/linux/list.h:242 (discriminator 2) ./include/linux/list.h:264 (discriminator 2) ./include/linux/rculist.h:178 (discriminator 2) net/openvswitch/datapath.c:1964 (discriminator 2)) openvswitch
[  379.836586][ T9558]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[  379.836592][ T9558]  genl_rcv_msg (net/netlink/genetlink.c:1209)
[  379.836596][ T9558]  netlink_rcv_skb (net/netlink/af_netlink.c:2556)
[  379.836598][ T9558]  ? genl_family_rcv_msg (net/netlink/genetlink.c:1136 (discriminator 2))
[  379.836602][ T9558]  ? netlink_ack (./include/linux/skbuff.h:2718)
[  379.836609][ T9558]  ? 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))
[  379.836612][ T9558]  ? 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))
[  379.836616][ T9558]  genl_rcv (net/netlink/genetlink.c:1218)
[  379.836619][ T9558]  netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[  379.836623][ T9558]  ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[  379.836627][ T9558]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[  379.836631][ T9558]  netlink_sendmsg (net/netlink/af_netlink.c:1900)
[  379.836638][ T9558]  ? netlink_unicast (./include/net/net_namespace.h:422 (discriminator 7))
[  379.836641][ T9558]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[  379.836644][ T9558]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554)
[  379.836650][ T9558]  __sock_sendmsg (net/socket.c:800 (discriminator 4) net/socket.c:815 (discriminator 4))
[  379.836653][ T9558]  ? fdget (fs/file.c:1200 fs/file.c:1208)
[  379.836657][ T9558]  __sys_sendto (net/socket.c:2281)
[  379.836660][ T9558]  ? __ia32_sys_getpeername (net/socket.c:2235)
[  379.836666][ T9558]  ? do_futex (kernel/futex/syscalls.c:133)
[  379.836670][ T9558]  ? __ia32_sys_get_robust_list (kernel/futex/syscalls.c:94)
[  379.836683][ T9558]  ? do_futex (kernel/futex/syscalls.c:153 (discriminator 1))
[  379.836688][ T9558]  __x64_sys_sendto (net/socket.c:2288 net/socket.c:2284 net/socket.c:2284)
[  379.836690][ T9558]  ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22))
[  379.836694][ T9558]  ? lockdep_hardirqs_on (kernel/locking/lockdep.c:4488)
[  379.836697][ T9558]  ? do_syscall_64 (arch/x86/entry/syscall_64.c:81 (discriminator 44))
[  379.836699][ T9558]  do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84)
[  379.836702][ T9558]  ? exc_page_fault (arch/x86/mm/fault.c:1489 (discriminator 3) arch/x86/mm/fault.c:1536 (discriminator 3))
[  379.836705][ T9558]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[  379.836707][ T9558] RIP: 0033:0x7f7d6a0f2312
[  379.836711][ T9558] Code: 08 0f 85 71 41 ff ff 49 89 fb 48 89 f0 48 89 d7 48 89 ce 4c 89 c2 4d 89 ca 4c 8b 44 24 08 4c 8b 4c 24 10 4c 89 5c 24 08 0f 05 <c3> 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 00 f3 0f 1e fa 55 bf 01 00
All code
========
   0:	08 0f                	or     %cl,(%rdi)
   2:	85 71 41             	test   %esi,0x41(%rcx)
   5:	ff                   	(bad)
   6:	ff 49 89             	decl   -0x77(%rcx)
   9:	fb                   	sti
   a:	48 89 f0             	mov    %rsi,%rax
   d:	48 89 d7             	mov    %rdx,%rdi
  10:	48 89 ce             	mov    %rcx,%rsi
  13:	4c 89 c2             	mov    %r8,%rdx
  16:	4d 89 ca             	mov    %r9,%r10
  19:	4c 8b 44 24 08       	mov    0x8(%rsp),%r8
  1e:	4c 8b 4c 24 10       	mov    0x10(%rsp),%r9
  23:	4c 89 5c 24 08       	mov    %r11,0x8(%rsp)
  28:	0f 05                	syscall
  2a:*	c3                   	ret		<-- trapping instruction
  2b:	66 2e 0f 1f 84 00 00 	cs nopw 0x0(%rax,%rax,1)
  32:	00 00 00 
  35:	0f 1f 00             	nopl   (%rax)
  38:	f3 0f 1e fa          	endbr64
  3c:	55                   	push   %rbp
  3d:	bf                   	.byte 0xbf
  3e:	01 00                	add    %eax,(%rax)

Code starting with the faulting instruction
===========================================
   0:	c3                   	ret
   1:	66 2e 0f 1f 84 00 00 	cs nopw 0x0(%rax,%rax,1)
   8:	00 00 00 
   b:	0f 1f 00             	nopl   (%rax)
   e:	f3 0f 1e fa          	endbr64
  12:	55                   	push   %rbp
  13:	bf                   	.byte 0xbf
  14:	01 00                	add    %eax,(%rax)
[  379.836713][ T9558] RSP: 002b:00007fff69d25338 EFLAGS: 00000246 ORIG_RAX: 000000000000002c
[  379.836716][ T9558] RAX: ffffffffffffffda RBX: 00007fff69d25468 RCX: 00007f7d6a0f2312
[  379.836717][ T9558] RDX: 0000000000000024 RSI: 00007f7d65c721c0 RDI: 0000000000000020
[  379.836718][ T9558] RBP: 00007fff69d25360 R08: 00007fff69d254e0 R09: 000000000000000c
[  379.836719][ T9558] R10: 0000000000000000 R11: 0000000000000246 R12: 00007f7d67f55e10
[  379.836720][ T9558] R13: 00007fff69d25468 R14: 00007f7d69a1101a R15: 00007fff69d25858
| [  383.453404][ T9653] softirqs last disabled at (382252): __alloc_skb (./include/linux/bottom_half.h:20 (discriminator 2) net/core/skbuff.c:697 (discriminator 2))
| [  383.453407][ T9653] Preemption disabled at:
| [  383.453407][ T9653] vprintk_emit (kernel/printk/printk.c:2471)
| [  383.453416][ T9653] Tainted: [W]=WARN
[  383.453417][ T9653] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[  383.453419][ T9653] Call Trace:
[  383.453421][ T9653]  <TASK>
[  383.453422][ T9653]  dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120)
[  383.453428][ T9653]  ? vprintk_emit (kernel/printk/printk.c:2471)
[  383.453430][ T9653]  __might_resched.cold (kernel/sched/core.c:9234)
[  383.453435][ T9653]  ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3))
[  383.453439][ T9653]  ? __kmalloc_noprof (./include/linux/sched/mm.h:317 mm/slub.c:4636 mm/slub.c:4974 mm/slub.c:5413 mm/slub.c:5439)
[  383.453444][ T9653]  __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))
[  383.453446][ T9653]  ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[  383.453452][ T9653]  ? 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)
[  383.453455][ T9653]  alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[  383.453459][ T9653]  put_chars (drivers/char/virtio_console.c:1176)
[  383.453462][ T9653]  ? __send_to_port (drivers/char/virtio_console.c:654)
[  383.453465][ T9653]  ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4116 (discriminator 3) kernel/rcu/tree.c:4108 (discriminator 3))
[  383.453468][ T9653]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380)
[  383.453471][ T9653]  ? validate_chain (kernel/locking/lockdep.c:3817 (discriminator 2) kernel/locking/lockdep.c:3837 (discriminator 2) kernel/locking/lockdep.c:3892 (discriminator 2))
[  383.453475][ T9653]  hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2))
[  383.453479][ T9653]  ? mark_usage (kernel/locking/lockdep.c:4690)
[  383.453481][ T9653]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[  383.453483][ T9653]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[  383.453487][ T9653]  ? hvc_write (drivers/tty/hvc/hvc_console.c:501)
[  383.453489][ T9653]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2))
[  383.453494][ T9653]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  383.453498][ T9653]  console_emit_next_record (kernel/printk/printk.c:3183)
[  383.453503][ T9653]  ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20)
[  383.453505][ T9653]  ? 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))
[  383.453508][ T9653]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  383.453510][ T9653]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  383.453514][ T9653]  console_flush_one_record (kernel/printk/printk.c:3268)
[  383.453519][ T9653]  ? console_emit_next_record (kernel/printk/printk.c:3150)
[  383.453521][ T9653]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[  383.453527][ T9653]  console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420)
[  383.453530][ T9653]  ? console_flush_one_record (kernel/printk/printk.c:3316)
[  383.453532][ T9653]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  383.453534][ T9653]  ? 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)
[  383.453538][ T9653]  ? __down_trylock_console_sem (kernel/printk/printk.c:334)
[  383.453540][ T9653]  ? vprintk_emit (kernel/printk/printk.c:2478)
[  383.453543][ T9653]  vprintk_emit (kernel/printk/printk.c:2479)
[  383.453546][ T9653]  ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126))
[  383.453548][ T9653]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554)
[  383.453550][ T9653]  ? genl_family_rcv_msg (net/netlink/genetlink.c:1194)
[  383.453555][ T9653]  _printk (kernel/printk/printk.c:2504)
[  383.453559][ T9653]  ? snapshot_read.cold (user.c:?)
[  383.453560][ T9653]  ? ___ratelimit (lib/ratelimit.c:97 (discriminator 3))
[  383.453567][ T9653]  ? idr_get_free (??:?)
[  383.453571][ T9653]  validate_nla.cold (lib/nlattr.c:414 (discriminator 4))
[  383.453581][ T9653]  ? nla_get_range_signed (lib/nlattr.c:270)
[  383.453587][ T9653]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  383.453589][ T9653]  ? trace_kmalloc (./include/trace/events/kmem.h:57 (discriminator 22))
[  383.453594][ T9653]  __nla_validate_parse (lib/nlattr.c:635)
[  383.453599][ T9653]  __nla_parse (lib/nlattr.c:732)
[  383.453602][ T9653]  genl_family_rcv_msg_attrs_parse.isra.0 (./include/net/netlink.h:789 (discriminator 2) net/netlink/genetlink.c:944 (discriminator 2))
[  383.453607][ T9653]  genl_family_rcv_msg_doit (net/netlink/genetlink.c:1092)
[  383.453610][ T9653]  ? genl_family_rcv_msg_attrs_parse.isra.0 (./include/net/netlink.h:785 (discriminator 2))
[  383.453619][ T9653]  ? security_capable (security/security.c:660 (discriminator 11))
[  383.453624][ T9653]  genl_family_rcv_msg (net/netlink/genetlink.c:1194)
[  383.453627][ T9653]  ? genl_family_rcv_msg_dumpit (net/netlink/genetlink.c:1079)
[  383.453630][ T9653]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380)
[  383.453634][ T9653]  ? ovs_dp_cmd_get (./include/net/net_namespace.h:422 (discriminator 7)) openvswitch
[  383.453642][ T9653]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[  383.453648][ T9653]  genl_rcv_msg (net/netlink/genetlink.c:1209)
[  383.453651][ T9653]  netlink_rcv_skb (net/netlink/af_netlink.c:2556)
[  383.453654][ T9653]  ? genl_family_rcv_msg (net/netlink/genetlink.c:1136 (discriminator 2))
[  383.453657][ T9653]  ? netlink_ack (./include/linux/skbuff.h:2718)
[  383.453665][ T9653]  ? 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))
[  383.453667][ T9653]  ? 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))
[  383.453671][ T9653]  genl_rcv (net/netlink/genetlink.c:1218)
[  383.453674][ T9653]  netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[  383.453678][ T9653]  ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[  383.453682][ T9653]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[  383.453686][ T9653]  netlink_sendmsg (net/netlink/af_netlink.c:1900)
[  383.453690][ T9653]  ? netlink_unicast (./include/net/net_namespace.h:422 (discriminator 7))
[  383.453692][ T9653]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[  383.453695][ T9653]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554)
[  383.453707][ T9653]  __sock_sendmsg (net/socket.c:800 (discriminator 4) net/socket.c:815 (discriminator 4))
[  383.453710][ T9653]  ? fdget (fs/file.c:1200 fs/file.c:1208)
[  383.453714][ T9653]  __sys_sendto (net/socket.c:2281)
[  383.453718][ T9653]  ? __ia32_sys_getpeername (net/socket.c:2235)
[  383.453729][ T9653]  ? fput_close_sync (fs/file_table.c:617)
[  383.453733][ T9653]  ? alloc_file_clone (fs/file_table.c:479)
[  383.453737][ T9653]  __x64_sys_sendto (net/socket.c:2288 net/socket.c:2284 net/socket.c:2284)
[  383.453740][ T9653]  ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22))
[  383.453743][ T9653]  ? lockdep_hardirqs_on (kernel/locking/lockdep.c:4488)
[  383.453746][ T9653]  ? do_syscall_64 (arch/x86/entry/syscall_64.c:81 (discriminator 44))
[  383.453749][ T9653]  do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84)
[  383.453751][ T9653]  ? exc_page_fault (arch/x86/mm/fault.c:1489 (discriminator 3) arch/x86/mm/fault.c:1536 (discriminator 3))
[  383.453753][ T9653]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[  383.453756][ T9653] RIP: 0033:0x7ff26ab38312
[  383.453760][ T9653] Code: 08 0f 85 71 41 ff ff 49 89 fb 48 89 f0 48 89 d7 48 89 ce 4c 89 c2 4d 89 ca 4c 8b 44 24 08 4c 8b 4c 24 10 4c 89 5c 24 08 0f 05 <c3> 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 00 f3 0f 1e fa 55 bf 01 00
All code
========
   0:	08 0f                	or     %cl,(%rdi)
   2:	85 71 41             	test   %esi,0x41(%rcx)
   5:	ff                   	(bad)
   6:	ff 49 89             	decl   -0x77(%rcx)
   9:	fb                   	sti
   a:	48 89 f0             	mov    %rsi,%rax
   d:	48 89 d7             	mov    %rdx,%rdi
  10:	48 89 ce             	mov    %rcx,%rsi
  13:	4c 89 c2             	mov    %r8,%rdx
  16:	4d 89 ca             	mov    %r9,%r10
  19:	4c 8b 44 24 08       	mov    0x8(%rsp),%r8
  1e:	4c 8b 4c 24 10       	mov    0x10(%rsp),%r9
  23:	4c 89 5c 24 08       	mov    %r11,0x8(%rsp)
  28:	0f 05                	syscall
  2a:*	c3                   	ret		<-- trapping instruction
  2b:	66 2e 0f 1f 84 00 00 	cs nopw 0x0(%rax,%rax,1)
  32:	00 00 00 
  35:	0f 1f 00             	nopl   (%rax)
  38:	f3 0f 1e fa          	endbr64
  3c:	55                   	push   %rbp
  3d:	bf                   	.byte 0xbf
  3e:	01 00                	add    %eax,(%rax)

Code starting with the faulting instruction
===========================================
   0:	c3                   	ret
   1:	66 2e 0f 1f 84 00 00 	cs nopw 0x0(%rax,%rax,1)
   8:	00 00 00 
   b:	0f 1f 00             	nopl   (%rax)
   e:	f3 0f 1e fa          	endbr64
  12:	55                   	push   %rbp
  13:	bf                   	.byte 0xbf
  14:	01 00                	add    %eax,(%rax)
[  383.453762][ T9653] RSP: 002b:00007ffda8d55c98 EFLAGS: 00000246 ORIG_RAX: 000000000000002c
[  383.453764][ T9653] RAX: ffffffffffffffda RBX: 00007ffda8d55dc8 RCX: 00007ff26ab38312
[  383.453766][ T9653] RDX: 0000000000000044 RSI: 00007ff268877230 RDI: 0000000000000020
[  383.453767][ T9653] RBP: 00007ffda8d55cc0 R08: 00007ffda8d55e40 R09: 000000000000000c
[  383.453768][ T9653] R10: 0000000000000000 R11: 0000000000000246 R12: 00007ff2689a60b0
[  383.453769][ T9653] R13: 00007ffda8d55dc8 R14: 00007ff26a45701a R15: 00007ffda8d561b8
| [  384.771364][ T9685] softirqs last disabled at (387478): inet6_fill_ifla6_attrs (net/ipv6/addrconf.c:5883)
| [  384.771366][ T9685] Preemption disabled at:
| [  384.771367][ T9685] vprintk_emit (kernel/printk/printk.c:2471)
| [  384.771377][ T9685] Tainted: [W]=WARN
[  384.771378][ T9685] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[  384.771381][ T9685] Call Trace:
[  384.771382][ T9685]  <TASK>
[  384.771384][ T9685]  dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120)
[  384.771391][ T9685]  ? vprintk_emit (kernel/printk/printk.c:2471)
[  384.771392][ T9685]  __might_resched.cold (kernel/sched/core.c:9234)
[  384.771397][ T9685]  ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3))
[  384.771401][ T9685]  ? __kmalloc_noprof (./include/linux/sched/mm.h:317 mm/slub.c:4636 mm/slub.c:4974 mm/slub.c:5413 mm/slub.c:5439)
[  384.771406][ T9685]  __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))
[  384.771409][ T9685]  ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[  384.771416][ T9685]  ? 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)
[  384.771418][ T9685]  alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[  384.771422][ T9685]  put_chars (drivers/char/virtio_console.c:1176)
[  384.771425][ T9685]  ? __send_to_port (drivers/char/virtio_console.c:654)
[  384.771429][ T9685]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380)
[  384.771432][ T9685]  ? validate_chain (kernel/locking/lockdep.c:3817 (discriminator 2) kernel/locking/lockdep.c:3837 (discriminator 2) kernel/locking/lockdep.c:3892 (discriminator 2))
[  384.771437][ T9685]  hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2))
[  384.771441][ T9685]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[  384.771443][ T9685]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[  384.771449][ T9685]  ? hvc_write (drivers/tty/hvc/hvc_console.c:501)
[  384.771453][ T9685]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  384.771455][ T9685]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  384.771460][ T9685]  console_emit_next_record (kernel/printk/printk.c:3183)
[  384.771464][ T9685]  ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20)
[  384.771467][ T9685]  ? 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))
[  384.771470][ T9685]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  384.771472][ T9685]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  384.771476][ T9685]  console_flush_one_record (kernel/printk/printk.c:3268)
[  384.771481][ T9685]  ? console_emit_next_record (kernel/printk/printk.c:3150)
[  384.771483][ T9685]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[  384.771489][ T9685]  console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420)
[  384.771492][ T9685]  ? console_flush_one_record (kernel/printk/printk.c:3316)
[  384.771494][ T9685]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  384.771496][ T9685]  ? 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)
[  384.771500][ T9685]  ? __down_trylock_console_sem (kernel/printk/printk.c:334)
[  384.771502][ T9685]  ? vprintk_emit (kernel/printk/printk.c:2478)
[  384.771505][ T9685]  vprintk_emit (kernel/printk/printk.c:2479)
[  384.771509][ T9685]  ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126))
[  384.771514][ T9685]  _printk (kernel/printk/printk.c:2504)
[  384.771518][ T9685]  ? snapshot_read.cold (user.c:?)
[  384.771521][ T9685]  ? lockdep_rtnl_is_held (./include/linux/lockdep.h:249 net/core/rtnetlink.c:182)
[  384.771525][ T9685]  ? netdev_upper_get_next_dev_rcu (net/core/dev.c:8213 (discriminator 5))
[  384.771529][ T9685]  ? __netdev_update_features (net/core/dev.c:11078 (discriminator 2))
[  384.771531][ T9685]  ? netdev_name (./include/linux/netdevice.h:5709 (discriminator 1))
[  384.771535][ T9685]  ? __netdev_printk (net/core/dev.c:13148 (discriminator 2))
[  384.771539][ T9685]  netdev_info (net/core/dev.c:13195 (discriminator 3))
[  384.771542][ T9685]  ? netdev_notice (net/core/dev.c:13194)
[  384.771544][ T9685]  ? ovs_netdev_link (net/openvswitch/vport-netdev.c:85) openvswitch
[  384.771554][ T9685]  ? 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)
[  384.771557][ T9685]  __dev_set_promiscuity.cold (net/core/dev.c:9672 (discriminator 3))
[  384.771561][ T9685]  netif_set_promiscuity (net/core/dev.c:9699)
[  384.771565][ T9685]  dev_set_promiscuity (net/core/dev_api.c:288)
[  384.771567][ T9685]  ? dev_disable_lro (net/core/dev_api.c:267)
[  384.771569][ T9685] ovs_netdev_link (net/openvswitch/vport-netdev.c:106) openvswitch
[  384.771576][ T9685] ovs_vport_add (net/openvswitch/vport.c:209) openvswitch
[  384.771581][ T9685] new_vport (net/openvswitch/datapath.c:203) openvswitch
[  384.771585][ T9685]  ? ovs_lookup_vport (./include/linux/lockdep.h:249 net/openvswitch/datapath.c:120 net/openvswitch/datapath.c:117 net/openvswitch/datapath.c:190) openvswitch
[  384.771591][ T9685] ovs_vport_cmd_new (net/openvswitch/datapath.c:2389) openvswitch
[  384.771597][ T9685]  ? ovs_vport_cmd_fill_info.isra.0 (./include/net/netlink.h:1107 (discriminator 1)) openvswitch
[  384.771601][ T9685]  ? __nla_validate_parse (lib/nlattr.c:635)
[  384.771607][ T9685]  ? __nla_parse (lib/nlattr.c:732)
[  384.771610][ T9685]  ? genl_family_rcv_msg_attrs_parse.isra.0 (./include/net/netlink.h:789 (discriminator 2) net/netlink/genetlink.c:944 (discriminator 2))
[  384.771616][ T9685]  genl_family_rcv_msg_doit (net/netlink/genetlink.c:1114)
[  384.771620][ T9685]  ? genl_family_rcv_msg_attrs_parse.isra.0 (./include/net/netlink.h:785 (discriminator 2))
[  384.771629][ T9685]  ? security_capable (security/security.c:660 (discriminator 11))
[  384.771634][ T9685]  genl_family_rcv_msg (net/netlink/genetlink.c:1194)
[  384.771639][ T9685]  ? genl_family_rcv_msg_dumpit (net/netlink/genetlink.c:1079)
[  384.771641][ T9685]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380)
[  384.771643][ T9685]  ? ovs_vport_cmd_fill_info.isra.0 (./include/net/netlink.h:1107 (discriminator 1)) openvswitch
[  384.771648][ T9685]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[  384.771654][ T9685]  genl_rcv_msg (net/netlink/genetlink.c:1209)
[  384.771659][ T9685]  netlink_rcv_skb (net/netlink/af_netlink.c:2556)
[  384.771662][ T9685]  ? genl_family_rcv_msg (net/netlink/genetlink.c:1136 (discriminator 2))
[  384.771666][ T9685]  ? netlink_ack (./include/linux/skbuff.h:2718)
[  384.771674][ T9685]  ? 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))
[  384.771676][ T9685]  ? 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))
[  384.771680][ T9685]  genl_rcv (net/netlink/genetlink.c:1218)
[  384.771683][ T9685]  netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[  384.771687][ T9685]  ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[  384.771689][ T9685]  ? _raw_spin_unlock_irqrestore (./include/linux/spinlock_api_smp.h:210 (discriminator 6) kernel/locking/spinlock.c:221 (discriminator 6))
[  384.771695][ T9685]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[  384.771699][ T9685]  netlink_sendmsg (net/netlink/af_netlink.c:1900)
[  384.771704][ T9685]  ? netlink_unicast (./include/net/net_namespace.h:422 (discriminator 7))
[  384.771706][ T9685]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[  384.771715][ T9685]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554)
[  384.771720][ T9685]  __sock_sendmsg (net/socket.c:800 (discriminator 4) net/socket.c:815 (discriminator 4))
[  384.771724][ T9685]  ? fdget (fs/file.c:1200 fs/file.c:1208)
[  384.771728][ T9685]  __sys_sendto (net/socket.c:2281)
[  384.771731][ T9685]  ? __ia32_sys_getpeername (net/socket.c:2235)
[  384.771744][ T9685]  ? exc_page_fault (arch/x86/mm/fault.c:1483 arch/x86/mm/fault.c:1536)
[  384.771750][ T9685]  __x64_sys_sendto (net/socket.c:2288 net/socket.c:2284 net/socket.c:2284)
[  384.771753][ T9685]  ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22))
[  384.771757][ T9685]  ? lockdep_hardirqs_on (kernel/locking/lockdep.c:4488)
[  384.771758][ T9685]  ? do_syscall_64 (arch/x86/entry/syscall_64.c:81 (discriminator 44))
[  384.771761][ T9685]  do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84)
[  384.771763][ T9685]  ? exc_page_fault (arch/x86/mm/fault.c:1489 (discriminator 3) arch/x86/mm/fault.c:1536 (discriminator 3))
[  384.771766][ T9685]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[  384.771769][ T9685] RIP: 0033:0x7f6ce3da8312
[  384.771773][ T9685] Code: 08 0f 85 71 41 ff ff 49 89 fb 48 89 f0 48 89 d7 48 89 ce 4c 89 c2 4d 89 ca 4c 8b 44 24 08 4c 8b 4c 24 10 4c 89 5c 24 08 0f 05 <c3> 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 00 f3 0f 1e fa 55 bf 01 00
All code
========
   0:	08 0f                	or     %cl,(%rdi)
   2:	85 71 41             	test   %esi,0x41(%rcx)
   5:	ff                   	(bad)
   6:	ff 49 89             	decl   -0x77(%rcx)
   9:	fb                   	sti
   a:	48 89 f0             	mov    %rsi,%rax
   d:	48 89 d7             	mov    %rdx,%rdi
  10:	48 89 ce             	mov    %rcx,%rsi
  13:	4c 89 c2             	mov    %r8,%rdx
  16:	4d 89 ca             	mov    %r9,%r10
  19:	4c 8b 44 24 08       	mov    0x8(%rsp),%r8
  1e:	4c 8b 4c 24 10       	mov    0x10(%rsp),%r9
  23:	4c 89 5c 24 08       	mov    %r11,0x8(%rsp)
  28:	0f 05                	syscall
  2a:*	c3                   	ret		<-- trapping instruction
  2b:	66 2e 0f 1f 84 00 00 	cs nopw 0x0(%rax,%rax,1)
  32:	00 00 00 
  35:	0f 1f 00             	nopl   (%rax)
  38:	f3 0f 1e fa          	endbr64
  3c:	55                   	push   %rbp
  3d:	bf                   	.byte 0xbf
  3e:	01 00                	add    %eax,(%rax)

Code starting with the faulting instruction
===========================================
   0:	c3                   	ret
   1:	66 2e 0f 1f 84 00 00 	cs nopw 0x0(%rax,%rax,1)
   8:	00 00 00 
   b:	0f 1f 00             	nopl   (%rax)
   e:	f3 0f 1e fa          	endbr64
  12:	55                   	push   %rbp
  13:	bf                   	.byte 0xbf
  14:	01 00                	add    %eax,(%rax)
[  384.771775][ T9685] RSP: 002b:00007ffd611da328 EFLAGS: 00000246 ORIG_RAX: 000000000000002c
[  384.771778][ T9685] RAX: ffffffffffffffda RBX: 00007ffd611da458 RCX: 00007f6ce3da8312
[  384.771780][ T9685] RDX: 0000000000000038 RSI: 00007f6ce01e65b0 RDI: 0000000000000023
[  384.771781][ T9685] RBP: 00007ffd611da350 R08: 00007ffd611da4d0 R09: 000000000000000c
[  384.771782][ T9685] R10: 0000000000000000 R11: 0000000000000246 R12: 00007f6ce1c12190
[  384.771783][ T9685] R13: 00007ffd611da458 R14: 00007f6ce36c701a R15: 00007ffd611da848
| [  386.030378][ T9712] softirqs last disabled at (409442): inet6_fill_ifla6_attrs (net/ipv6/addrconf.c:5883)
| [  386.030381][ T9712] Preemption disabled at:
| [  386.030381][ T9712] vprintk_emit (kernel/printk/printk.c:2471)
| [  386.030391][ T9712] Tainted: [W]=WARN
[  386.030392][ T9712] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[  386.030394][ T9712] Call Trace:
[  386.030396][ T9712]  <TASK>
[  386.030398][ T9712]  dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120)
[  386.030405][ T9712]  ? vprintk_emit (kernel/printk/printk.c:2471)
[  386.030407][ T9712]  __might_resched.cold (kernel/sched/core.c:9234)
[  386.030412][ T9712]  ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3))
[  386.030417][ T9712]  ? __kmalloc_noprof (./include/linux/sched/mm.h:317 mm/slub.c:4636 mm/slub.c:4974 mm/slub.c:5413 mm/slub.c:5439)
[  386.030422][ T9712]  __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))
[  386.030426][ T9712]  ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[  386.030437][ T9712]  ? 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)
[  386.030440][ T9712]  alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[  386.030447][ T9712]  put_chars (drivers/char/virtio_console.c:1176)
[  386.030451][ T9712]  ? __send_to_port (drivers/char/virtio_console.c:654)
[  386.030457][ T9712]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380)
[  386.030462][ T9712]  ? validate_chain (kernel/locking/lockdep.c:3817 (discriminator 2) kernel/locking/lockdep.c:3837 (discriminator 2) kernel/locking/lockdep.c:3892 (discriminator 2))
[  386.030470][ T9712]  hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2))
[  386.030477][ T9712]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[  386.030479][ T9712]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[  386.030484][ T9712]  ? hvc_write (drivers/tty/hvc/hvc_console.c:501)
[  386.030488][ T9712]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  386.030491][ T9712]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  386.030495][ T9712]  console_emit_next_record (kernel/printk/printk.c:3183)
[  386.030500][ T9712]  ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20)
[  386.030502][ T9712]  ? 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))
[  386.030506][ T9712]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  386.030508][ T9712]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  386.030512][ T9712]  console_flush_one_record (kernel/printk/printk.c:3268)
[  386.030517][ T9712]  ? console_emit_next_record (kernel/printk/printk.c:3150)
[  386.030519][ T9712]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[  386.030526][ T9712]  console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420)
[  386.030529][ T9712]  ? console_flush_one_record (kernel/printk/printk.c:3316)
[  386.030531][ T9712]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  386.030533][ T9712]  ? 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)
[  386.030537][ T9712]  ? __down_trylock_console_sem (kernel/printk/printk.c:334)
[  386.030540][ T9712]  ? vprintk_emit (kernel/printk/printk.c:2478)
[  386.030543][ T9712]  vprintk_emit (kernel/printk/printk.c:2479)
[  386.030547][ T9712]  ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126))
[  386.030553][ T9712]  _printk (kernel/printk/printk.c:2504)
[  386.030557][ T9712]  ? snapshot_read.cold (user.c:?)
[  386.030560][ T9712]  ? lockdep_rtnl_is_held (./include/linux/lockdep.h:249 net/core/rtnetlink.c:182)
[  386.030563][ T9712]  ? netdev_upper_get_next_dev_rcu (net/core/dev.c:8213 (discriminator 5))
[  386.030567][ T9712]  ? 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)
[  386.030569][ T9712]  ? __netdev_update_features (net/core/dev.c:11078 (discriminator 2))
[  386.030571][ T9712]  ? netdev_name (./include/linux/netdevice.h:5709 (discriminator 1))
[  386.030575][ T9712]  ? __netdev_printk (net/core/dev.c:13148 (discriminator 2))
[  386.030579][ T9712]  netdev_info (net/core/dev.c:13195 (discriminator 3))
[  386.030582][ T9712]  ? netdev_notice (net/core/dev.c:13194)
[  386.030585][ T9712]  ? ovs_netdev_link (net/openvswitch/vport-netdev.c:85) openvswitch
[  386.030595][ T9712]  ? 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)
[  386.030598][ T9712]  __dev_set_promiscuity.cold (net/core/dev.c:9672 (discriminator 3))
[  386.030602][ T9712]  netif_set_promiscuity (net/core/dev.c:9699)
[  386.030607][ T9712]  dev_set_promiscuity (net/core/dev_api.c:288)
[  386.030609][ T9712]  ? dev_disable_lro (net/core/dev_api.c:267)
[  386.030611][ T9712] ovs_netdev_link (net/openvswitch/vport-netdev.c:106) openvswitch
[  386.030618][ T9712] ovs_vport_add (net/openvswitch/vport.c:209) openvswitch
[  386.030624][ T9712] new_vport (net/openvswitch/datapath.c:203) openvswitch
[  386.030628][ T9712]  ? ovs_lookup_vport (./include/linux/lockdep.h:249 net/openvswitch/datapath.c:120 net/openvswitch/datapath.c:117 net/openvswitch/datapath.c:190) openvswitch
[  386.030634][ T9712] ovs_vport_cmd_new (net/openvswitch/datapath.c:2389) openvswitch
[  386.030640][ T9712]  ? ovs_vport_cmd_fill_info.isra.0 (./include/net/netlink.h:1107 (discriminator 1)) openvswitch
[  386.030644][ T9712]  ? __nla_validate_parse (lib/nlattr.c:635)
[  386.030651][ T9712]  ? __nla_parse (lib/nlattr.c:732)
[  386.030654][ T9712]  ? genl_family_rcv_msg_attrs_parse.isra.0 (./include/net/netlink.h:789 (discriminator 2) net/netlink/genetlink.c:944 (discriminator 2))
[  386.030662][ T9712]  genl_family_rcv_msg_doit (net/netlink/genetlink.c:1114)
[  386.030667][ T9712]  ? genl_family_rcv_msg_attrs_parse.isra.0 (./include/net/netlink.h:785 (discriminator 2))
[  386.030677][ T9712]  ? security_capable (security/security.c:660 (discriminator 11))
[  386.030682][ T9712]  genl_family_rcv_msg (net/netlink/genetlink.c:1194)
[  386.030686][ T9712]  ? genl_family_rcv_msg_dumpit (net/netlink/genetlink.c:1079)
[  386.030689][ T9712]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380)
[  386.030691][ T9712]  ? ovs_vport_cmd_fill_info.isra.0 (./include/net/netlink.h:1107 (discriminator 1)) openvswitch
[  386.030696][ T9712]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[  386.030702][ T9712]  genl_rcv_msg (net/netlink/genetlink.c:1209)
[  386.030706][ T9712]  netlink_rcv_skb (net/netlink/af_netlink.c:2556)
[  386.030708][ T9712]  ? genl_family_rcv_msg (net/netlink/genetlink.c:1136 (discriminator 2))
[  386.030712][ T9712]  ? netlink_ack (./include/linux/skbuff.h:2718)
[  386.030726][ T9712]  ? 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))
[  386.030728][ T9712]  ? 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))
[  386.030733][ T9712]  genl_rcv (net/netlink/genetlink.c:1218)
[  386.030736][ T9712]  netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[  386.030741][ T9712]  ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[  386.030743][ T9712]  ? _raw_spin_unlock_irqrestore (./include/linux/spinlock_api_smp.h:210 (discriminator 6) kernel/locking/spinlock.c:221 (discriminator 6))
[  386.030749][ T9712]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[  386.030753][ T9712]  netlink_sendmsg (net/netlink/af_netlink.c:1900)
[  386.030757][ T9712]  ? netlink_unicast (./include/net/net_namespace.h:422 (discriminator 7))
[  386.030759][ T9712]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[  386.030762][ T9712]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554)
[  386.030768][ T9712]  __sock_sendmsg (net/socket.c:800 (discriminator 4) net/socket.c:815 (discriminator 4))
[  386.030771][ T9712]  ? fdget (fs/file.c:1200 fs/file.c:1208)
[  386.030775][ T9712]  __sys_sendto (net/socket.c:2281)
[  386.030779][ T9712]  ? __ia32_sys_getpeername (net/socket.c:2235)
[  386.030793][ T9712]  ? xfd_validate_state (arch/x86/kernel/fpu/xstate.c:1497 (discriminator 1) arch/x86/kernel/fpu/xstate.c:1543 (discriminator 1))
[  386.030802][ T9712]  __x64_sys_sendto (net/socket.c:2288 net/socket.c:2284 net/socket.c:2284)
[  386.030804][ T9712]  ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22))
[  386.030809][ T9712]  ? lockdep_hardirqs_on (kernel/locking/lockdep.c:4488)
[  386.030811][ T9712]  ? do_syscall_64 (arch/x86/entry/syscall_64.c:81 (discriminator 44))
[  386.030814][ T9712]  do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84)
[  386.030817][ T9712]  ? exc_page_fault (arch/x86/mm/fault.c:1489 (discriminator 3) arch/x86/mm/fault.c:1536 (discriminator 3))
[  386.030820][ T9712]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[  386.030822][ T9712] RIP: 0033:0x7f9dff0ef312
[  386.030827][ T9712] Code: 08 0f 85 71 41 ff ff 49 89 fb 48 89 f0 48 89 d7 48 89 ce 4c 89 c2 4d 89 ca 4c 8b 44 24 08 4c 8b 4c 24 10 4c 89 5c 24 08 0f 05 <c3> 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 00 f3 0f 1e fa 55 bf 01 00
All code
========
   0:	08 0f                	or     %cl,(%rdi)
   2:	85 71 41             	test   %esi,0x41(%rcx)
   5:	ff                   	(bad)
   6:	ff 49 89             	decl   -0x77(%rcx)
   9:	fb                   	sti
   a:	48 89 f0             	mov    %rsi,%rax
   d:	48 89 d7             	mov    %rdx,%rdi
  10:	48 89 ce             	mov    %rcx,%rsi
  13:	4c 89 c2             	mov    %r8,%rdx
  16:	4d 89 ca             	mov    %r9,%r10
  19:	4c 8b 44 24 08       	mov    0x8(%rsp),%r8
  1e:	4c 8b 4c 24 10       	mov    0x10(%rsp),%r9
  23:	4c 89 5c 24 08       	mov    %r11,0x8(%rsp)
  28:	0f 05                	syscall
  2a:*	c3                   	ret		<-- trapping instruction
  2b:	66 2e 0f 1f 84 00 00 	cs nopw 0x0(%rax,%rax,1)
  32:	00 00 00 
  35:	0f 1f 00             	nopl   (%rax)
  38:	f3 0f 1e fa          	endbr64
  3c:	55                   	push   %rbp
  3d:	bf                   	.byte 0xbf
  3e:	01 00                	add    %eax,(%rax)

Code starting with the faulting instruction
===========================================
   0:	c3                   	ret
   1:	66 2e 0f 1f 84 00 00 	cs nopw 0x0(%rax,%rax,1)
   8:	00 00 00 
   b:	0f 1f 00             	nopl   (%rax)
   e:	f3 0f 1e fa          	endbr64
  12:	55                   	push   %rbp
  13:	bf                   	.byte 0xbf
  14:	01 00                	add    %eax,(%rax)
[  386.030829][ T9712] RSP: 002b:00007ffcaf0e9ce8 EFLAGS: 00000246 ORIG_RAX: 000000000000002c
[  386.030832][ T9712] RAX: ffffffffffffffda RBX: 00007ffcaf0e9e18 RCX: 00007f9dff0ef312
[  386.030833][ T9712] RDX: 0000000000000034 RSI: 00007f9dfc3a78b0 RDI: 0000000000000023
[  386.030834][ T9712] RBP: 00007ffcaf0e9d10 R08: 00007ffcaf0e9e90 R09: 000000000000000c
[  386.030835][ T9712] R10: 0000000000000000 R11: 0000000000000246 R12: 00007f9dfcf52190
[  386.030836][ T9712] R13: 00007ffcaf0e9e18 R14: 00007f9dfea0e01a R15: 00007ffcaf0ea208
| [  395.834008][   T12] softirqs last disabled at (9120821): __irq_exit_rcu (kernel/softirq.c:679 kernel/softirq.c:519 kernel/softirq.c:767)
| [  395.834012][   T12] Preemption disabled at:
| [  395.834013][   T12] vprintk_emit (kernel/printk/printk.c:2471)
| [  395.834023][   T12] Tainted: [W]=WARN
[  395.834024][   T12] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[  395.834026][   T12] Workqueue: netns cleanup_net
[  395.834030][   T12] Call Trace:
[  395.834032][   T12]  <TASK>
[  395.834034][   T12]  dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120)
[  395.834040][   T12]  ? vprintk_emit (kernel/printk/printk.c:2471)
[  395.834042][   T12]  __might_resched.cold (kernel/sched/core.c:9234)
[  395.834046][   T12]  ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3))
[  395.834051][   T12]  ? __kmalloc_noprof (./include/linux/sched/mm.h:317 mm/slub.c:4636 mm/slub.c:4974 mm/slub.c:5413 mm/slub.c:5439)
[  395.834056][   T12]  __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))
[  395.834058][   T12]  ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[  395.834065][   T12]  ? 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)
[  395.834068][   T12]  alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[  395.834072][   T12]  put_chars (drivers/char/virtio_console.c:1176)
[  395.834074][   T12]  ? prb_final_commit (kernel/printk/printk_ringbuffer.c:1842)
[  395.834077][   T12]  ? __send_to_port (drivers/char/virtio_console.c:654)
[  395.834080][   T12]  ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4116 (discriminator 3) kernel/rcu/tree.c:4108 (discriminator 3))
[  395.834083][   T12]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380)
[  395.834086][   T12]  ? validate_chain (kernel/locking/lockdep.c:3817 (discriminator 2) kernel/locking/lockdep.c:3837 (discriminator 2) kernel/locking/lockdep.c:3892 (discriminator 2))
[  395.834091][   T12]  hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2))
[  395.834095][   T12]  ? mark_usage (kernel/locking/lockdep.c:4690)
[  395.834098][   T12]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[  395.834101][   T12]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[  395.834106][   T12]  ? hvc_write (drivers/tty/hvc/hvc_console.c:501)
[  395.834109][   T12]  ? console_emit_next_record (kernel/printk/printk.c:3095 (discriminator 2) kernel/printk/printk.c:3182 (discriminator 2))
[  395.834113][   T12]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  395.834115][   T12]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  395.834120][   T12]  console_emit_next_record (kernel/printk/printk.c:3183)
[  395.834124][   T12]  ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20)
[  395.834126][   T12]  ? 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))
[  395.834130][   T12]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  395.834132][   T12]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  395.834136][   T12]  console_flush_one_record (kernel/printk/printk.c:3268)
[  395.834141][   T12]  ? console_emit_next_record (kernel/printk/printk.c:3150)
[  395.834143][   T12]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[  395.834149][   T12]  console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420)
[  395.834152][   T12]  ? console_flush_one_record (kernel/printk/printk.c:3316)
[  395.834154][   T12]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  395.834156][   T12]  ? 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)
[  395.834160][   T12]  ? __down_trylock_console_sem (kernel/printk/printk.c:334)
[  395.834162][   T12]  ? vprintk_emit (kernel/printk/printk.c:2478)
[  395.834165][   T12]  vprintk_emit (kernel/printk/printk.c:2479)
[  395.834168][   T12]  ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126))
[  395.834171][   T12]  ? net_disable_timestamp (./include/linux/workqueue.h:761)
[  395.834173][   T12]  ? net_generic (./include/linux/rcupdate.h:882 ./include/net/netns/generic.h:48) vxlan
[  395.834185][   T12]  _printk (kernel/printk/printk.c:2504)
[  395.834189][   T12]  ? snapshot_read.cold (user.c:?)
[  395.834194][   T12]  ? netdev_name (./include/linux/netdevice.h:5709 (discriminator 1))
[  395.834198][   T12]  ? __netdev_printk (net/core/dev.c:13148 (discriminator 2))
[  395.834202][   T12]  netdev_info (net/core/dev.c:13195 (discriminator 3))
[  395.834205][   T12]  ? netdev_notice (net/core/dev.c:13194)
[  395.834207][   T12]  ? __netdev_upper_dev_unlink (net/core/dev.c:9094)
[  395.834212][   T12]  ? synchronize_rcu_expedited (kernel/rcu/tree_exp.h:985)
[  395.834218][   T12]  ? 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)
[  395.834220][   T12]  __dev_set_promiscuity.cold (net/core/dev.c:9672 (discriminator 3))
[  395.834224][   T12]  netif_set_promiscuity (net/core/dev.c:9699)
[  395.834228][   T12]  dev_set_promiscuity (net/core/dev_api.c:288)
[  395.834230][   T12]  ? rtnl_is_locked (net/core/rtnetlink.c:169)
[  395.834234][   T12] ovs_netdev_detach_dev (net/openvswitch/vport-netdev.c:174) openvswitch
[  395.834242][   T12] dp_device_event (net/openvswitch/dp_notify.c:74) openvswitch
[  395.834247][   T12]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  395.834249][   T12]  notifier_call_chain (kernel/notifier.c:85)
[  395.834256][   T12]  unregister_netdevice_many_notify (net/core/dev.c:2313 net/core/dev.c:2327 net/core/dev.c:12518)
[  395.834261][   T12]  ? unregister_netdevice_queued (./include/linux/list.h:419 (discriminator 3))
[  395.834273][   T12]  default_device_exit_batch (net/core/dev.c:12589 net/core/dev.c:13288)
[  395.834277][   T12]  ? unregister_netdevice_queue (./include/linux/list.h:173)
[  395.834280][   T12]  ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3))
[  395.834283][   T12]  ? fou_exit_net (net/ipv4/fou_core.c:1228)
[  395.834288][   T12]  ops_undo_list (net/core/net_namespace.c:206 net/core/net_namespace.c:253)
[  395.834292][   T12]  ? lockdep_hardirqs_on (kernel/locking/lockdep.c:4488)
[  395.834296][   T12]  ? netns_install (./include/linux/ns_common.h:26)
[  395.834298][   T12]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554)
[  395.834301][   T12]  ? idr_destroy (lib/radix-tree.c:310 lib/radix-tree.c:674 lib/radix-tree.c:1563)
[  395.834307][   T12]  cleanup_net (net/core/net_namespace.c:706)
[  395.834310][   T12]  ? net_passive_dec (./include/linux/llist.h:241)
[  395.834314][   T12]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  395.834316][   T12]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  395.834320][   T12]  process_one_work (kernel/workqueue.c:3387)
[  395.834328][   T12]  ? __queue_delayed_work (kernel/workqueue.c:2622)
[  395.834331][   T12]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2))
[  395.834340][   T12]  worker_thread (kernel/workqueue.c:3470 kernel/workqueue.c:3551)
[  395.834350][   T12]  ? rescuer_thread (./include/linux/list.h:419 (discriminator 3))
[  395.834354][   T12]  kthread (kernel/kthread.c:436)
[  395.834356][   T12]  ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22))
[  395.834359][   T12]  ? kthread_affine_preferred (kernel/kthread.c:857)
[  395.834362][   T12]  ret_from_fork (arch/x86/kernel/process.c:158)
[  395.834367][   T12]  ? arch_exit_to_user_mode_prepare.isra.0 (arch/x86/entry/vdso/vma.c:80 (discriminator 1))
[  395.834371][   T12]  ? __switch_to (arch/x86/kernel/process_64.c:403 arch/x86/kernel/process_64.c:663)
[  395.834374][   T12]  ? kthread_affine_preferred (kernel/kthread.c:857)
[  395.834377][   T12]  ret_from_fork_asm (arch/x86/entry/entry_64.S:245)
| [  396.995878][ T9912] softirqs last disabled at (392164): inet6_fill_ifla6_attrs (net/ipv6/addrconf.c:5883)
| [  396.995881][ T9912] Preemption disabled at:
| [  396.995882][ T9912] vprintk_emit (kernel/printk/printk.c:2471)
| [  396.995894][ T9912] Tainted: [W]=WARN
[  396.995895][ T9912] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[  396.995897][ T9912] Call Trace:
[  396.995903][ T9912]  <TASK>
[  396.995905][ T9912]  dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120)
[  396.995912][ T9912]  ? vprintk_emit (kernel/printk/printk.c:2471)
[  396.995914][ T9912]  __might_resched.cold (kernel/sched/core.c:9234)
[  396.995919][ T9912]  ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3))
[  396.995924][ T9912]  ? __kmalloc_noprof (./include/linux/sched/mm.h:317 mm/slub.c:4636 mm/slub.c:4974 mm/slub.c:5413 mm/slub.c:5439)
[  396.995934][ T9912]  __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))
[  396.995937][ T9912]  ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[  396.995944][ T9912]  ? 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)
[  396.995947][ T9912]  alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[  396.995952][ T9912]  put_chars (drivers/char/virtio_console.c:1176)
[  396.995955][ T9912]  ? __send_to_port (drivers/char/virtio_console.c:654)
[  396.995956][ T9912]  ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4116 (discriminator 3) kernel/rcu/tree.c:4108 (discriminator 3))
[  396.995960][ T9912]  ? validate_chain (kernel/locking/lockdep.c:3817 (discriminator 2) kernel/locking/lockdep.c:3837 (discriminator 2) kernel/locking/lockdep.c:3892 (discriminator 2))
[  396.995967][ T9912]  hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2))
[  396.995976][ T9912]  ? hvc_write (drivers/tty/hvc/hvc_console.c:501)
[  396.995979][ T9912]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  396.995983][ T9912]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  396.995992][ T9912]  console_emit_next_record (kernel/printk/printk.c:3183)
[  396.995999][ T9912]  ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20)
[  396.996001][ T9912]  ? 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))
[  396.996006][ T9912]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  396.996009][ T9912]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  396.996014][ T9912]  console_flush_one_record (kernel/printk/printk.c:3268)
[  396.996019][ T9912]  ? console_emit_next_record (kernel/printk/printk.c:3150)
[  396.996022][ T9912]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[  396.996030][ T9912]  console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420)
[  396.996035][ T9912]  ? console_flush_one_record (kernel/printk/printk.c:3316)
[  396.996038][ T9912]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  396.996040][ T9912]  ? 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)
[  396.996045][ T9912]  ? __down_trylock_console_sem (kernel/printk/printk.c:334)
[  396.996047][ T9912]  ? vprintk_emit (kernel/printk/printk.c:2478)
[  396.996051][ T9912]  vprintk_emit (kernel/printk/printk.c:2479)
[  396.996055][ T9912]  ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126))
[  396.996059][ T9912]  ? net_disable_timestamp (./include/linux/workqueue.h:761)
[  396.996062][ T9912]  ? net_generic (./include/linux/rcupdate.h:882 ./include/net/netns/generic.h:48) vxlan
[  396.996074][ T9912]  _printk (kernel/printk/printk.c:2504)
[  396.996080][ T9912]  ? snapshot_read.cold (user.c:?)
[  396.996089][ T9912]  ? netdev_name (./include/linux/netdevice.h:5709 (discriminator 1))
[  396.996095][ T9912]  ? __netdev_printk (net/core/dev.c:13148 (discriminator 2))
[  396.996103][ T9912]  netdev_info (net/core/dev.c:13195 (discriminator 3))
[  396.996109][ T9912]  ? netdev_notice (net/core/dev.c:13194)
[  396.996111][ T9912]  ? __netdev_upper_dev_unlink (net/core/dev.c:9094)
[  396.996117][ T9912]  ? synchronize_rcu_expedited (kernel/rcu/tree_exp.h:985)
[  396.996124][ T9912]  ? 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)
[  396.996127][ T9912]  __dev_set_promiscuity.cold (net/core/dev.c:9672 (discriminator 3))
[  396.996132][ T9912]  netif_set_promiscuity (net/core/dev.c:9699)
[  396.996136][ T9912]  dev_set_promiscuity (net/core/dev_api.c:288)
[  396.996139][ T9912]  ? rtnl_is_locked (net/core/rtnetlink.c:169)
[  396.996143][ T9912] ovs_netdev_detach_dev (net/openvswitch/vport-netdev.c:174) openvswitch
[  396.996148][ T9912]  ? netdev_destroy (net/openvswitch/vport-netdev.c:189) openvswitch
[  396.996153][ T9912] netdev_destroy (net/openvswitch/vport-netdev.c:194) openvswitch
[  396.996159][ T9912] ovs_vport_cmd_del (net/openvswitch/datapath.c:2505) openvswitch
[  396.996169][ T9912]  genl_family_rcv_msg_doit (net/netlink/genetlink.c:1114)
[  396.996173][ T9912]  ? genl_family_rcv_msg_attrs_parse.isra.0 (./include/net/netlink.h:785 (discriminator 2))
[  396.996183][ T9912]  ? security_capable (security/security.c:660 (discriminator 11))
[  396.996189][ T9912]  genl_family_rcv_msg (net/netlink/genetlink.c:1194)
[  396.996193][ T9912]  ? genl_family_rcv_msg_dumpit (net/netlink/genetlink.c:1079)
[  396.996197][ T9912]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380)
[  396.996200][ T9912]  ? ovs_dp_detach_port (./include/linux/list.h:1047 (discriminator 2)) openvswitch
[  396.996206][ T9912]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[  396.996214][ T9912]  genl_rcv_msg (net/netlink/genetlink.c:1209)
[  396.996218][ T9912]  netlink_rcv_skb (net/netlink/af_netlink.c:2556)
[  396.996220][ T9912]  ? genl_family_rcv_msg (net/netlink/genetlink.c:1136 (discriminator 2))
[  396.996224][ T9912]  ? netlink_ack (./include/linux/skbuff.h:2718)
[  396.996233][ T9912]  ? 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))
[  396.996235][ T9912]  ? 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))
[  396.996240][ T9912]  genl_rcv (net/netlink/genetlink.c:1218)
[  396.996243][ T9912]  netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[  396.996249][ T9912]  ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[  396.996254][ T9912]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[  396.996259][ T9912]  netlink_sendmsg (net/netlink/af_netlink.c:1900)
[  396.996264][ T9912]  ? netlink_unicast (./include/net/net_namespace.h:422 (discriminator 7))
[  396.996268][ T9912]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[  396.996274][ T9912]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554)
[  396.996281][ T9912]  __sock_sendmsg (net/socket.c:800 (discriminator 4) net/socket.c:815 (discriminator 4))
[  396.996284][ T9912]  ? fdget (fs/file.c:1200 fs/file.c:1208)
[  396.996288][ T9912]  __sys_sendto (net/socket.c:2281)
[  396.996292][ T9912]  ? __ia32_sys_getpeername (net/socket.c:2235)
[  396.996304][ T9912]  ? exc_page_fault (arch/x86/mm/fault.c:1483 arch/x86/mm/fault.c:1536)
[  396.996310][ T9912]  __x64_sys_sendto (net/socket.c:2288 net/socket.c:2284 net/socket.c:2284)
[  396.996313][ T9912]  ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22))
[  396.996317][ T9912]  ? lockdep_hardirqs_on (kernel/locking/lockdep.c:4488)
[  396.996319][ T9912]  ? do_syscall_64 (arch/x86/entry/syscall_64.c:81 (discriminator 44))
[  396.996322][ T9912]  do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84)
[  396.996324][ T9912]  ? exc_page_fault (arch/x86/mm/fault.c:1489 (discriminator 3) arch/x86/mm/fault.c:1536 (discriminator 3))
[  396.996327][ T9912]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[  396.996329][ T9912] RIP: 0033:0x7f2d30d76312
[  396.996333][ T9912] Code: 08 0f 85 71 41 ff ff 49 89 fb 48 89 f0 48 89 d7 48 89 ce 4c 89 c2 4d 89 ca 4c 8b 44 24 08 4c 8b 4c 24 10 4c 89 5c 24 08 0f 05 <c3> 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 00 f3 0f 1e fa 55 bf 01 00
All code
========
   0:	08 0f                	or     %cl,(%rdi)
   2:	85 71 41             	test   %esi,0x41(%rcx)
   5:	ff                   	(bad)
   6:	ff 49 89             	decl   -0x77(%rcx)
   9:	fb                   	sti
   a:	48 89 f0             	mov    %rsi,%rax
   d:	48 89 d7             	mov    %rdx,%rdi
  10:	48 89 ce             	mov    %rcx,%rsi
  13:	4c 89 c2             	mov    %r8,%rdx
  16:	4d 89 ca             	mov    %r9,%r10
  19:	4c 8b 44 24 08       	mov    0x8(%rsp),%r8
  1e:	4c 8b 4c 24 10       	mov    0x10(%rsp),%r9
  23:	4c 89 5c 24 08       	mov    %r11,0x8(%rsp)
  28:	0f 05                	syscall
  2a:*	c3                   	ret		<-- trapping instruction
  2b:	66 2e 0f 1f 84 00 00 	cs nopw 0x0(%rax,%rax,1)
  32:	00 00 00 
  35:	0f 1f 00             	nopl   (%rax)
  38:	f3 0f 1e fa          	endbr64
  3c:	55                   	push   %rbp
  3d:	bf                   	.byte 0xbf
  3e:	01 00                	add    %eax,(%rax)

Code starting with the faulting instruction
===========================================
   0:	c3                   	ret
   1:	66 2e 0f 1f 84 00 00 	cs nopw 0x0(%rax,%rax,1)
   8:	00 00 00 
   b:	0f 1f 00             	nopl   (%rax)
   e:	f3 0f 1e fa          	endbr64
  12:	55                   	push   %rbp
  13:	bf                   	.byte 0xbf
  14:	01 00                	add    %eax,(%rax)
[  396.996335][ T9912] RSP: 002b:00007ffffedc3078 EFLAGS: 00000246 ORIG_RAX: 000000000000002c
[  396.996339][ T9912] RAX: ffffffffffffffda RBX: 00007ffffedc31a8 RCX: 00007f2d30d76312
[  396.996340][ T9912] RDX: 0000000000000024 RSI: 00007f2d2c9d88a0 RDI: 0000000000000023
[  396.996341][ T9912] RBP: 00007ffffedc30a0 R08: 00007ffffedc3220 R09: 000000000000000c
[  396.996342][ T9912] R10: 0000000000000000 R11: 0000000000000246 R12: 00007f2d2ebd9fd0
[  396.996343][ T9912] R13: 00007ffffedc31a8 R14: 00007f2d3069501a R15: 00007ffffedc3598
| [  398.748342][ T9938] softirqs last disabled at (375190): __alloc_skb (./include/linux/bottom_half.h:20 (discriminator 2) net/core/skbuff.c:697 (discriminator 2))
| [  398.748346][ T9938] Preemption disabled at:
| [  398.748347][ T9938] vprintk_emit (kernel/printk/printk.c:2471)
| [  398.748357][ T9938] Tainted: [W]=WARN
[  398.748358][ T9938] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[  398.748360][ T9938] Call Trace:
[  398.748362][ T9938]  <TASK>
[  398.748364][ T9938]  dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120)
[  398.748370][ T9938]  ? vprintk_emit (kernel/printk/printk.c:2471)
[  398.748372][ T9938]  __might_resched.cold (kernel/sched/core.c:9234)
[  398.748376][ T9938]  ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3))
[  398.748380][ T9938]  ? __kmalloc_noprof (./include/linux/sched/mm.h:317 mm/slub.c:4636 mm/slub.c:4974 mm/slub.c:5413 mm/slub.c:5439)
[  398.748385][ T9938]  __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))
[  398.748387][ T9938]  ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[  398.748394][ T9938]  ? 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)
[  398.748397][ T9938]  alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[  398.748401][ T9938]  put_chars (drivers/char/virtio_console.c:1176)
[  398.748404][ T9938]  ? __send_to_port (drivers/char/virtio_console.c:654)
[  398.748405][ T9938]  ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4116 (discriminator 3) kernel/rcu/tree.c:4108 (discriminator 3))
[  398.748409][ T9938]  ? validate_chain (kernel/locking/lockdep.c:3817 (discriminator 2) kernel/locking/lockdep.c:3837 (discriminator 2) kernel/locking/lockdep.c:3892 (discriminator 2))
[  398.748415][ T9938]  hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2))
[  398.748423][ T9938]  ? hvc_write (drivers/tty/hvc/hvc_console.c:501)
[  398.748426][ T9938]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  398.748428][ T9938]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  398.748432][ T9938]  console_emit_next_record (kernel/printk/printk.c:3183)
[  398.748437][ T9938]  ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20)
[  398.748439][ T9938]  ? 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))
[  398.748442][ T9938]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  398.748444][ T9938]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  398.748449][ T9938]  console_flush_one_record (kernel/printk/printk.c:3268)
[  398.748453][ T9938]  ? console_emit_next_record (kernel/printk/printk.c:3150)
[  398.748456][ T9938]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[  398.748461][ T9938]  console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420)
[  398.748464][ T9938]  ? console_flush_one_record (kernel/printk/printk.c:3316)
[  398.748466][ T9938]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  398.748468][ T9938]  ? 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)
[  398.748472][ T9938]  ? __down_trylock_console_sem (kernel/printk/printk.c:334)
[  398.748474][ T9938]  ? vprintk_emit (kernel/printk/printk.c:2478)
[  398.748477][ T9938]  vprintk_emit (kernel/printk/printk.c:2479)
[  398.748481][ T9938]  ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126))
[  398.748483][ T9938]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380)
[  398.748485][ T9938]  ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4116 (discriminator 3) kernel/rcu/tree.c:4108 (discriminator 3))
[  398.748490][ T9938]  _printk (kernel/printk/printk.c:2504)
[  398.748494][ T9938]  ? snapshot_read.cold (user.c:?)
[  398.748498][ T9938]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  398.748499][ T9938]  ? netdev_name (./include/linux/netdevice.h:5709 (discriminator 1))
[  398.748503][ T9938]  ? __netdev_printk (net/core/dev.c:13148 (discriminator 2))
[  398.748507][ T9938]  netdev_info (net/core/dev.c:13195 (discriminator 3))
[  398.748510][ T9938]  ? netdev_notice (net/core/dev.c:13194)
[  398.748512][ T9938]  ? internal_dev_destroy (net/openvswitch/vport-internal_dev.c:178) openvswitch
[  398.748518][ T9938]  ? ww_mutex_lock (kernel/locking/mutex.c:934)
[  398.748525][ T9938]  ? 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)
[  398.748527][ T9938]  __dev_set_promiscuity.cold (net/core/dev.c:9672 (discriminator 3))
[  398.748531][ T9938]  netif_set_promiscuity (net/core/dev.c:9699)
[  398.748536][ T9938]  dev_set_promiscuity (net/core/dev_api.c:288)
[  398.748539][ T9938] internal_dev_destroy (net/openvswitch/vport-internal_dev.c:179) openvswitch
[  398.748545][ T9938] __dp_destroy (net/openvswitch/datapath.c:1969 (discriminator 1)) openvswitch
[  398.748553][ T9938] ovs_dp_cmd_del (net/openvswitch/datapath.c:2003) openvswitch
[  398.748558][ T9938]  genl_family_rcv_msg_doit (net/netlink/genetlink.c:1114)
[  398.748562][ T9938]  ? genl_family_rcv_msg_attrs_parse.isra.0 (./include/net/netlink.h:785 (discriminator 2))
[  398.748571][ T9938]  ? security_capable (security/security.c:660 (discriminator 11))
[  398.748576][ T9938]  genl_family_rcv_msg (net/netlink/genetlink.c:1194)
[  398.748580][ T9938]  ? genl_family_rcv_msg_dumpit (net/netlink/genetlink.c:1079)
[  398.748583][ T9938]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380)
[  398.748585][ T9938]  ? __dp_destroy (./include/linux/list.h:242 (discriminator 2) ./include/linux/list.h:264 (discriminator 2) ./include/linux/rculist.h:178 (discriminator 2) net/openvswitch/datapath.c:1964 (discriminator 2)) openvswitch
[  398.748589][ T9938]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[  398.748595][ T9938]  genl_rcv_msg (net/netlink/genetlink.c:1209)
[  398.748599][ T9938]  netlink_rcv_skb (net/netlink/af_netlink.c:2556)
[  398.748601][ T9938]  ? genl_family_rcv_msg (net/netlink/genetlink.c:1136 (discriminator 2))
[  398.748605][ T9938]  ? netlink_ack (./include/linux/skbuff.h:2718)
[  398.748612][ T9938]  ? 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))
[  398.748614][ T9938]  ? 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))
[  398.748619][ T9938]  genl_rcv (net/netlink/genetlink.c:1218)
[  398.748621][ T9938]  netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[  398.748625][ T9938]  ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[  398.748629][ T9938]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[  398.748633][ T9938]  netlink_sendmsg (net/netlink/af_netlink.c:1900)
[  398.748637][ T9938]  ? netlink_unicast (./include/net/net_namespace.h:422 (discriminator 7))
[  398.748639][ T9938]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[  398.748642][ T9938]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554)
[  398.748648][ T9938]  __sock_sendmsg (net/socket.c:800 (discriminator 4) net/socket.c:815 (discriminator 4))
[  398.748650][ T9938]  ? fdget (fs/file.c:1200 fs/file.c:1208)
[  398.748654][ T9938]  __sys_sendto (net/socket.c:2281)
[  398.748658][ T9938]  ? __ia32_sys_getpeername (net/socket.c:2235)
[  398.748664][ T9938]  ? do_futex (kernel/futex/syscalls.c:133)
[  398.748667][ T9938]  ? __ia32_sys_get_robust_list (kernel/futex/syscalls.c:94)
[  398.748674][ T9938]  ? xfd_validate_state (arch/x86/kernel/fpu/xstate.c:1497 (discriminator 1) arch/x86/kernel/fpu/xstate.c:1543 (discriminator 1))
[  398.748681][ T9938]  __x64_sys_sendto (net/socket.c:2288 net/socket.c:2284 net/socket.c:2284)
[  398.748683][ T9938]  ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22))
[  398.748687][ T9938]  ? lockdep_hardirqs_on (kernel/locking/lockdep.c:4488)
[  398.748689][ T9938]  ? do_syscall_64 (arch/x86/entry/syscall_64.c:81 (discriminator 44))
[  398.748692][ T9938]  do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84)
[  398.748694][ T9938]  ? exc_page_fault (arch/x86/mm/fault.c:1489 (discriminator 3) arch/x86/mm/fault.c:1536 (discriminator 3))
[  398.748697][ T9938]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[  398.748700][ T9938] RIP: 0033:0x7fa5af98d312
[  398.748703][ T9938] Code: 08 0f 85 71 41 ff ff 49 89 fb 48 89 f0 48 89 d7 48 89 ce 4c 89 c2 4d 89 ca 4c 8b 44 24 08 4c 8b 4c 24 10 4c 89 5c 24 08 0f 05 <c3> 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 00 f3 0f 1e fa 55 bf 01 00
All code
========
   0:	08 0f                	or     %cl,(%rdi)
   2:	85 71 41             	test   %esi,0x41(%rcx)
   5:	ff                   	(bad)
   6:	ff 49 89             	decl   -0x77(%rcx)
   9:	fb                   	sti
   a:	48 89 f0             	mov    %rsi,%rax
   d:	48 89 d7             	mov    %rdx,%rdi
  10:	48 89 ce             	mov    %rcx,%rsi
  13:	4c 89 c2             	mov    %r8,%rdx
  16:	4d 89 ca             	mov    %r9,%r10
  19:	4c 8b 44 24 08       	mov    0x8(%rsp),%r8
  1e:	4c 8b 4c 24 10       	mov    0x10(%rsp),%r9
  23:	4c 89 5c 24 08       	mov    %r11,0x8(%rsp)
  28:	0f 05                	syscall
  2a:*	c3                   	ret		<-- trapping instruction
  2b:	66 2e 0f 1f 84 00 00 	cs nopw 0x0(%rax,%rax,1)
  32:	00 00 00 
  35:	0f 1f 00             	nopl   (%rax)
  38:	f3 0f 1e fa          	endbr64
  3c:	55                   	push   %rbp
  3d:	bf                   	.byte 0xbf
  3e:	01 00                	add    %eax,(%rax)

Code starting with the faulting instruction
===========================================
   0:	c3                   	ret
   1:	66 2e 0f 1f 84 00 00 	cs nopw 0x0(%rax,%rax,1)
   8:	00 00 00 
   b:	0f 1f 00             	nopl   (%rax)
   e:	f3 0f 1e fa          	endbr64
  12:	55                   	push   %rbp
  13:	bf                   	.byte 0xbf
  14:	01 00                	add    %eax,(%rax)
[  398.748705][ T9938] RSP: 002b:00007ffff84bdc98 EFLAGS: 00000246 ORIG_RAX: 000000000000002c
[  398.748708][ T9938] RAX: ffffffffffffffda RBX: 00007ffff84bddc8 RCX: 00007fa5af98d312
[  398.748710][ T9938] RDX: 0000000000000024 RSI: 00007fa5ac556c10 RDI: 0000000000000020
[  398.748711][ T9938] RBP: 00007ffff84bdcc0 R08: 00007ffff84bde40 R09: 000000000000000c
[  398.748712][ T9938] R10: 0000000000000000 R11: 0000000000000246 R12: 00007fa5ad7e9e10
[  398.748713][ T9938] R13: 00007ffff84bddc8 R14: 00007fa5af2ac01a R15: 00007ffff84be1b8
| [  402.776590][T10045] softirqs last disabled at (388114): __alloc_skb (./include/linux/bottom_half.h:20 (discriminator 2) net/core/skbuff.c:697 (discriminator 2))
| [  402.776593][T10045] Preemption disabled at:
| [  402.776594][T10045] vprintk_emit (kernel/printk/printk.c:2471)
| [  402.776604][T10045] Tainted: [W]=WARN
[  402.776605][T10045] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[  402.776608][T10045] Call Trace:
[  402.776609][T10045]  <TASK>
[  402.776611][T10045]  dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120)
[  402.776617][T10045]  ? vprintk_emit (kernel/printk/printk.c:2471)
[  402.776619][T10045]  __might_resched.cold (kernel/sched/core.c:9234)
[  402.776624][T10045]  ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3))
[  402.776629][T10045]  ? __kmalloc_noprof (./include/linux/sched/mm.h:317 mm/slub.c:4636 mm/slub.c:4974 mm/slub.c:5413 mm/slub.c:5439)
[  402.776634][T10045]  __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))
[  402.776636][T10045]  ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[  402.776644][T10045]  ? 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)
[  402.776647][T10045]  alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[  402.776651][T10045]  put_chars (drivers/char/virtio_console.c:1176)
[  402.776654][T10045]  ? __send_to_port (drivers/char/virtio_console.c:654)
[  402.776658][T10045]  ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4116 (discriminator 3) kernel/rcu/tree.c:4108 (discriminator 3))
[  402.776662][T10045]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380)
[  402.776665][T10045]  ? validate_chain (kernel/locking/lockdep.c:3817 (discriminator 2) kernel/locking/lockdep.c:3837 (discriminator 2) kernel/locking/lockdep.c:3892 (discriminator 2))
[  402.776670][T10045]  hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2))
[  402.776674][T10045]  ? mark_usage (kernel/locking/lockdep.c:4690)
[  402.776676][T10045]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[  402.776678][T10045]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[  402.776683][T10045]  ? hvc_write (drivers/tty/hvc/hvc_console.c:501)
[  402.776686][T10045]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2))
[  402.776691][T10045]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  402.776695][T10045]  console_emit_next_record (kernel/printk/printk.c:3183)
[  402.776703][T10045]  ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20)
[  402.776706][T10045]  ? 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))
[  402.776710][T10045]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  402.776712][T10045]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  402.776717][T10045]  console_flush_one_record (kernel/printk/printk.c:3268)
[  402.776721][T10045]  ? console_emit_next_record (kernel/printk/printk.c:3150)
[  402.776724][T10045]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[  402.776730][T10045]  console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420)
[  402.776733][T10045]  ? console_flush_one_record (kernel/printk/printk.c:3316)
[  402.776735][T10045]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  402.776737][T10045]  ? 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)
[  402.776741][T10045]  ? __down_trylock_console_sem (kernel/printk/printk.c:334)
[  402.776743][T10045]  ? vprintk_emit (kernel/printk/printk.c:2478)
[  402.776747][T10045]  vprintk_emit (kernel/printk/printk.c:2479)
[  402.776750][T10045]  ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126))
[  402.776753][T10045]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554)
[  402.776754][T10045]  ? genl_family_rcv_msg (net/netlink/genetlink.c:1194)
[  402.776760][T10045]  _printk (kernel/printk/printk.c:2504)
[  402.776763][T10045]  ? snapshot_read.cold (user.c:?)
[  402.776765][T10045]  ? ___ratelimit (lib/ratelimit.c:97 (discriminator 3))
[  402.776772][T10045]  ? idr_get_free (??:?)
[  402.776777][T10045]  validate_nla.cold (lib/nlattr.c:414 (discriminator 4))
[  402.776787][T10045]  ? nla_get_range_signed (lib/nlattr.c:270)
[  402.776794][T10045]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  402.776796][T10045]  ? trace_kmalloc (./include/trace/events/kmem.h:57 (discriminator 22))
[  402.776800][T10045]  __nla_validate_parse (lib/nlattr.c:635)
[  402.776808][T10045]  __nla_parse (lib/nlattr.c:732)
[  402.776812][T10045]  genl_family_rcv_msg_attrs_parse.isra.0 (./include/net/netlink.h:789 (discriminator 2) net/netlink/genetlink.c:944 (discriminator 2))
[  402.776817][T10045]  genl_family_rcv_msg_doit (net/netlink/genetlink.c:1092)
[  402.776821][T10045]  ? genl_family_rcv_msg_attrs_parse.isra.0 (./include/net/netlink.h:785 (discriminator 2))
[  402.776842][T10045]  ? security_capable (security/security.c:660 (discriminator 11))
[  402.776846][T10045]  genl_family_rcv_msg (net/netlink/genetlink.c:1194)
[  402.776851][T10045]  ? genl_family_rcv_msg_dumpit (net/netlink/genetlink.c:1079)
[  402.776853][T10045]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380)
[  402.776857][T10045]  ? ovs_dp_cmd_get (./include/net/net_namespace.h:422 (discriminator 7)) openvswitch
[  402.776865][T10045]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[  402.776871][T10045]  genl_rcv_msg (net/netlink/genetlink.c:1209)
[  402.776874][T10045]  netlink_rcv_skb (net/netlink/af_netlink.c:2556)
[  402.776877][T10045]  ? genl_family_rcv_msg (net/netlink/genetlink.c:1136 (discriminator 2))
[  402.776880][T10045]  ? netlink_ack (./include/linux/skbuff.h:2718)
[  402.776888][T10045]  ? 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))
[  402.776890][T10045]  ? 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))
[  402.776894][T10045]  genl_rcv (net/netlink/genetlink.c:1218)
[  402.776897][T10045]  netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[  402.776906][T10045]  ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[  402.776911][T10045]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[  402.776915][T10045]  netlink_sendmsg (net/netlink/af_netlink.c:1900)
[  402.776920][T10045]  ? netlink_unicast (./include/net/net_namespace.h:422 (discriminator 7))
[  402.776922][T10045]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[  402.776925][T10045]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554)
[  402.776930][T10045]  __sock_sendmsg (net/socket.c:800 (discriminator 4) net/socket.c:815 (discriminator 4))
[  402.776933][T10045]  ? fdget (fs/file.c:1200 fs/file.c:1208)
[  402.776938][T10045]  __sys_sendto (net/socket.c:2281)
[  402.776943][T10045]  ? __ia32_sys_getpeername (net/socket.c:2235)
[  402.776955][T10045]  ? fput_close_sync (fs/file_table.c:617)
[  402.776959][T10045]  ? alloc_file_clone (fs/file_table.c:479)
[  402.776963][T10045]  __x64_sys_sendto (net/socket.c:2288 net/socket.c:2284 net/socket.c:2284)
[  402.776966][T10045]  ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22))
[  402.776972][T10045]  ? lockdep_hardirqs_on (kernel/locking/lockdep.c:4488)
[  402.776976][T10045]  ? do_syscall_64 (arch/x86/entry/syscall_64.c:81 (discriminator 44))
[  402.776978][T10045]  do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84)
[  402.776980][T10045]  ? exc_page_fault (arch/x86/mm/fault.c:1489 (discriminator 3) arch/x86/mm/fault.c:1536 (discriminator 3))
[  402.776983][T10045]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[  402.776986][T10045] RIP: 0033:0x7f7fdb8f4312
[  402.776989][T10045] Code: 08 0f 85 71 41 ff ff 49 89 fb 48 89 f0 48 89 d7 48 89 ce 4c 89 c2 4d 89 ca 4c 8b 44 24 08 4c 8b 4c 24 10 4c 89 5c 24 08 0f 05 <c3> 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 00 f3 0f 1e fa 55 bf 01 00
All code
========
   0:	08 0f                	or     %cl,(%rdi)
   2:	85 71 41             	test   %esi,0x41(%rcx)
   5:	ff                   	(bad)
   6:	ff 49 89             	decl   -0x77(%rcx)
   9:	fb                   	sti
   a:	48 89 f0             	mov    %rsi,%rax
   d:	48 89 d7             	mov    %rdx,%rdi
  10:	48 89 ce             	mov    %rcx,%rsi
  13:	4c 89 c2             	mov    %r8,%rdx
  16:	4d 89 ca             	mov    %r9,%r10
  19:	4c 8b 44 24 08       	mov    0x8(%rsp),%r8
  1e:	4c 8b 4c 24 10       	mov    0x10(%rsp),%r9
  23:	4c 89 5c 24 08       	mov    %r11,0x8(%rsp)
  28:	0f 05                	syscall
  2a:*	c3                   	ret		<-- trapping instruction
  2b:	66 2e 0f 1f 84 00 00 	cs nopw 0x0(%rax,%rax,1)
  32:	00 00 00 
  35:	0f 1f 00             	nopl   (%rax)
  38:	f3 0f 1e fa          	endbr64
  3c:	55                   	push   %rbp
  3d:	bf                   	.byte 0xbf
  3e:	01 00                	add    %eax,(%rax)

Code starting with the faulting instruction
===========================================
   0:	c3                   	ret
   1:	66 2e 0f 1f 84 00 00 	cs nopw 0x0(%rax,%rax,1)
   8:	00 00 00 
   b:	0f 1f 00             	nopl   (%rax)
   e:	f3 0f 1e fa          	endbr64
  12:	55                   	push   %rbp
  13:	bf                   	.byte 0xbf
  14:	01 00                	add    %eax,(%rax)
[  402.776991][T10045] RSP: 002b:00007ffcd3db3268 EFLAGS: 00000246 ORIG_RAX: 000000000000002c
[  402.776994][T10045] RAX: ffffffffffffffda RBX: 00007ffcd3db3398 RCX: 00007f7fdb8f4312
[  402.776996][T10045] RDX: 0000000000000044 RSI: 00007f7fd84766f0 RDI: 0000000000000020
[  402.776997][T10045] RBP: 00007ffcd3db3290 R08: 00007ffcd3db3410 R09: 000000000000000c
[  402.776998][T10045] R10: 0000000000000000 R11: 0000000000000246 R12: 00007f7fd97620b0
[  402.776999][T10045] R13: 00007ffcd3db3398 R14: 00007f7fdb21301a R15: 00007ffcd3db3788
| [  404.284679][T10077] softirqs last disabled at (414730): inet6_fill_ifla6_attrs (net/ipv6/addrconf.c:5883)
| [  404.284681][T10077] Preemption disabled at:
| [  404.284682][T10077] vprintk_emit (kernel/printk/printk.c:2471)
| [  404.284693][T10077] Tainted: [W]=WARN
[  404.284694][T10077] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[  404.284696][T10077] Call Trace:
[  404.284699][T10077]  <TASK>
[  404.284701][T10077]  dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120)
[  404.284707][T10077]  ? vprintk_emit (kernel/printk/printk.c:2471)
[  404.284709][T10077]  __might_resched.cold (kernel/sched/core.c:9234)
[  404.284714][T10077]  ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3))
[  404.284718][T10077]  ? __kmalloc_noprof (./include/linux/sched/mm.h:317 mm/slub.c:4636 mm/slub.c:4974 mm/slub.c:5413 mm/slub.c:5439)
[  404.284723][T10077]  __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))
[  404.284726][T10077]  ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[  404.284733][T10077]  ? 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)
[  404.284737][T10077]  alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[  404.284741][T10077]  put_chars (drivers/char/virtio_console.c:1176)
[  404.284744][T10077]  ? __send_to_port (drivers/char/virtio_console.c:654)
[  404.284749][T10077]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380)
[  404.284754][T10077]  ? validate_chain (kernel/locking/lockdep.c:3817 (discriminator 2) kernel/locking/lockdep.c:3837 (discriminator 2) kernel/locking/lockdep.c:3892 (discriminator 2))
[  404.284759][T10077]  hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2))
[  404.284764][T10077]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[  404.284765][T10077]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[  404.284770][T10077]  ? hvc_write (drivers/tty/hvc/hvc_console.c:501)
[  404.284774][T10077]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  404.284777][T10077]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  404.284781][T10077]  console_emit_next_record (kernel/printk/printk.c:3183)
[  404.284786][T10077]  ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20)
[  404.284788][T10077]  ? 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))
[  404.284791][T10077]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  404.284793][T10077]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  404.284799][T10077]  console_flush_one_record (kernel/printk/printk.c:3268)
[  404.284806][T10077]  ? console_emit_next_record (kernel/printk/printk.c:3150)
[  404.284808][T10077]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[  404.284817][T10077]  console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420)
[  404.284820][T10077]  ? console_flush_one_record (kernel/printk/printk.c:3316)
[  404.284822][T10077]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  404.284824][T10077]  ? 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)
[  404.284828][T10077]  ? __down_trylock_console_sem (kernel/printk/printk.c:334)
[  404.284830][T10077]  ? vprintk_emit (kernel/printk/printk.c:2478)
[  404.284841][T10077]  vprintk_emit (kernel/printk/printk.c:2479)
[  404.284845][T10077]  ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126))
[  404.284851][T10077]  _printk (kernel/printk/printk.c:2504)
[  404.284855][T10077]  ? snapshot_read.cold (user.c:?)
[  404.284857][T10077]  ? lockdep_rtnl_is_held (./include/linux/lockdep.h:249 net/core/rtnetlink.c:182)
[  404.284861][T10077]  ? netdev_upper_get_next_dev_rcu (net/core/dev.c:8213 (discriminator 5))
[  404.284867][T10077]  ? __netdev_update_features (net/core/dev.c:11078 (discriminator 2))
[  404.284870][T10077]  ? netdev_name (./include/linux/netdevice.h:5709 (discriminator 1))
[  404.284875][T10077]  ? __netdev_printk (net/core/dev.c:13148 (discriminator 2))
[  404.284879][T10077]  netdev_info (net/core/dev.c:13195 (discriminator 3))
[  404.284882][T10077]  ? netdev_notice (net/core/dev.c:13194)
[  404.284885][T10077]  ? ovs_netdev_link (net/openvswitch/vport-netdev.c:85) openvswitch
[  404.284894][T10077]  ? 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)
[  404.284901][T10077]  __dev_set_promiscuity.cold (net/core/dev.c:9672 (discriminator 3))
[  404.284906][T10077]  netif_set_promiscuity (net/core/dev.c:9699)
[  404.284910][T10077]  dev_set_promiscuity (net/core/dev_api.c:288)
[  404.284913][T10077]  ? dev_disable_lro (net/core/dev_api.c:267)
[  404.284916][T10077] ovs_netdev_link (net/openvswitch/vport-netdev.c:106) openvswitch
[  404.284924][T10077] ovs_vport_add (net/openvswitch/vport.c:209) openvswitch
[  404.284933][T10077] new_vport (net/openvswitch/datapath.c:203) openvswitch
[  404.284937][T10077]  ? ovs_lookup_vport (./include/linux/lockdep.h:249 net/openvswitch/datapath.c:120 net/openvswitch/datapath.c:117 net/openvswitch/datapath.c:190) openvswitch
[  404.284942][T10077] ovs_vport_cmd_new (net/openvswitch/datapath.c:2389) openvswitch
[  404.284949][T10077]  ? ovs_vport_cmd_fill_info.isra.0 (./include/net/netlink.h:1107 (discriminator 1)) openvswitch
[  404.284953][T10077]  ? __nla_validate_parse (lib/nlattr.c:635)
[  404.284959][T10077]  ? __nla_parse (lib/nlattr.c:732)
[  404.284962][T10077]  ? genl_family_rcv_msg_attrs_parse.isra.0 (./include/net/netlink.h:789 (discriminator 2) net/netlink/genetlink.c:944 (discriminator 2))
[  404.284968][T10077]  genl_family_rcv_msg_doit (net/netlink/genetlink.c:1114)
[  404.284973][T10077]  ? genl_family_rcv_msg_attrs_parse.isra.0 (./include/net/netlink.h:785 (discriminator 2))
[  404.284983][T10077]  ? security_capable (security/security.c:660 (discriminator 11))
[  404.284988][T10077]  genl_family_rcv_msg (net/netlink/genetlink.c:1194)
[  404.284992][T10077]  ? genl_family_rcv_msg_dumpit (net/netlink/genetlink.c:1079)
[  404.284994][T10077]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380)
[  404.284997][T10077]  ? ovs_vport_cmd_fill_info.isra.0 (./include/net/netlink.h:1107 (discriminator 1)) openvswitch
[  404.285002][T10077]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[  404.285008][T10077]  genl_rcv_msg (net/netlink/genetlink.c:1209)
[  404.285011][T10077]  netlink_rcv_skb (net/netlink/af_netlink.c:2556)
[  404.285013][T10077]  ? genl_family_rcv_msg (net/netlink/genetlink.c:1136 (discriminator 2))
[  404.285017][T10077]  ? netlink_ack (./include/linux/skbuff.h:2718)
[  404.285025][T10077]  ? 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))
[  404.285027][T10077]  ? 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))
[  404.285031][T10077]  genl_rcv (net/netlink/genetlink.c:1218)
[  404.285033][T10077]  netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[  404.285038][T10077]  ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[  404.285041][T10077]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[  404.285045][T10077]  netlink_sendmsg (net/netlink/af_netlink.c:1900)
[  404.285050][T10077]  ? netlink_unicast (./include/net/net_namespace.h:422 (discriminator 7))
[  404.285051][T10077]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[  404.285055][T10077]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554)
[  404.285060][T10077]  __sock_sendmsg (net/socket.c:800 (discriminator 4) net/socket.c:815 (discriminator 4))
[  404.285063][T10077]  ? fdget (fs/file.c:1200 fs/file.c:1208)
[  404.285069][T10077]  __sys_sendto (net/socket.c:2281)
[  404.285073][T10077]  ? __ia32_sys_getpeername (net/socket.c:2235)
[  404.285085][T10077]  ? exc_page_fault (arch/x86/mm/fault.c:1483 arch/x86/mm/fault.c:1536)
[  404.285092][T10077]  __x64_sys_sendto (net/socket.c:2288 net/socket.c:2284 net/socket.c:2284)
[  404.285095][T10077]  ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22))
[  404.285098][T10077]  ? lockdep_hardirqs_on (kernel/locking/lockdep.c:4488)
[  404.285100][T10077]  ? do_syscall_64 (arch/x86/entry/syscall_64.c:81 (discriminator 44))
[  404.285103][T10077]  do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84)
[  404.285105][T10077]  ? exc_page_fault (arch/x86/mm/fault.c:1489 (discriminator 3) arch/x86/mm/fault.c:1536 (discriminator 3))
[  404.285108][T10077]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[  404.285110][T10077] RIP: 0033:0x7fed6ba08312
[  404.285114][T10077] Code: 08 0f 85 71 41 ff ff 49 89 fb 48 89 f0 48 89 d7 48 89 ce 4c 89 c2 4d 89 ca 4c 8b 44 24 08 4c 8b 4c 24 10 4c 89 5c 24 08 0f 05 <c3> 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 00 f3 0f 1e fa 55 bf 01 00
All code
========
   0:	08 0f                	or     %cl,(%rdi)
   2:	85 71 41             	test   %esi,0x41(%rcx)
   5:	ff                   	(bad)
   6:	ff 49 89             	decl   -0x77(%rcx)
   9:	fb                   	sti
   a:	48 89 f0             	mov    %rsi,%rax
   d:	48 89 d7             	mov    %rdx,%rdi
  10:	48 89 ce             	mov    %rcx,%rsi
  13:	4c 89 c2             	mov    %r8,%rdx
  16:	4d 89 ca             	mov    %r9,%r10
  19:	4c 8b 44 24 08       	mov    0x8(%rsp),%r8
  1e:	4c 8b 4c 24 10       	mov    0x10(%rsp),%r9
  23:	4c 89 5c 24 08       	mov    %r11,0x8(%rsp)
  28:	0f 05                	syscall
  2a:*	c3                   	ret		<-- trapping instruction
  2b:	66 2e 0f 1f 84 00 00 	cs nopw 0x0(%rax,%rax,1)
  32:	00 00 00 
  35:	0f 1f 00             	nopl   (%rax)
  38:	f3 0f 1e fa          	endbr64
  3c:	55                   	push   %rbp
  3d:	bf                   	.byte 0xbf
  3e:	01 00                	add    %eax,(%rax)

Code starting with the faulting instruction
===========================================
   0:	c3                   	ret
   1:	66 2e 0f 1f 84 00 00 	cs nopw 0x0(%rax,%rax,1)
   8:	00 00 00 
   b:	0f 1f 00             	nopl   (%rax)
   e:	f3 0f 1e fa          	endbr64
  12:	55                   	push   %rbp
  13:	bf                   	.byte 0xbf
  14:	01 00                	add    %eax,(%rax)
[  404.285116][T10077] RSP: 002b:00007ffc18ccee98 EFLAGS: 00000246 ORIG_RAX: 000000000000002c
[  404.285119][T10077] RAX: ffffffffffffffda RBX: 00007ffc18ccefc8 RCX: 00007fed6ba08312
[  404.285120][T10077] RDX: 0000000000000038 RSI: 00007fed68496cb0 RDI: 0000000000000023
[  404.285121][T10077] RBP: 00007ffc18cceec0 R08: 00007ffc18ccf040 R09: 000000000000000c
[  404.285122][T10077] R10: 0000000000000000 R11: 0000000000000246 R12: 00007fed69872190
[  404.285123][T10077] R13: 00007ffc18ccefc8 R14: 00007fed6b32701a R15: 00007ffc18ccf3b8
| [  405.449152][T10104] softirqs last disabled at (391576): inet6_fill_ifla6_attrs (net/ipv6/addrconf.c:5883)
| [  405.449154][T10104] Preemption disabled at:
| [  405.449155][T10104] vprintk_emit (kernel/printk/printk.c:2471)
| [  405.449164][T10104] Tainted: [W]=WARN
[  405.449165][T10104] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[  405.449167][T10104] Call Trace:
[  405.449169][T10104]  <TASK>
[  405.449171][T10104]  dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120)
[  405.449177][T10104]  ? vprintk_emit (kernel/printk/printk.c:2471)
[  405.449179][T10104]  __might_resched.cold (kernel/sched/core.c:9234)
[  405.449184][T10104]  ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3))
[  405.449189][T10104]  ? __kmalloc_noprof (./include/linux/sched/mm.h:317 mm/slub.c:4636 mm/slub.c:4974 mm/slub.c:5413 mm/slub.c:5439)
[  405.449194][T10104]  __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))
[  405.449198][T10104]  ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[  405.449205][T10104]  ? 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)
[  405.449208][T10104]  alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[  405.449212][T10104]  put_chars (drivers/char/virtio_console.c:1176)
[  405.449215][T10104]  ? __send_to_port (drivers/char/virtio_console.c:654)
[  405.449219][T10104]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380)
[  405.449222][T10104]  ? validate_chain (kernel/locking/lockdep.c:3817 (discriminator 2) kernel/locking/lockdep.c:3837 (discriminator 2) kernel/locking/lockdep.c:3892 (discriminator 2))
[  405.449227][T10104]  hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2))
[  405.449231][T10104]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[  405.449234][T10104]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[  405.449239][T10104]  ? hvc_write (drivers/tty/hvc/hvc_console.c:501)
[  405.449243][T10104]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  405.449247][T10104]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  405.449253][T10104]  console_emit_next_record (kernel/printk/printk.c:3183)
[  405.449260][T10104]  ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20)
[  405.449262][T10104]  ? 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))
[  405.449268][T10104]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  405.449271][T10104]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  405.449278][T10104]  console_flush_one_record (kernel/printk/printk.c:3268)
[  405.449284][T10104]  ? console_emit_next_record (kernel/printk/printk.c:3150)
[  405.449286][T10104]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[  405.449292][T10104]  console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420)
[  405.449295][T10104]  ? console_flush_one_record (kernel/printk/printk.c:3316)
[  405.449298][T10104]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  405.449299][T10104]  ? 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)
[  405.449304][T10104]  ? __down_trylock_console_sem (kernel/printk/printk.c:334)
[  405.449306][T10104]  ? vprintk_emit (kernel/printk/printk.c:2478)
[  405.449309][T10104]  vprintk_emit (kernel/printk/printk.c:2479)
[  405.449312][T10104]  ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126))
[  405.449318][T10104]  _printk (kernel/printk/printk.c:2504)
[  405.449322][T10104]  ? snapshot_read.cold (user.c:?)
[  405.449325][T10104]  ? lockdep_rtnl_is_held (./include/linux/lockdep.h:249 net/core/rtnetlink.c:182)
[  405.449329][T10104]  ? netdev_upper_get_next_dev_rcu (net/core/dev.c:8213 (discriminator 5))
[  405.449332][T10104]  ? 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)
[  405.449334][T10104]  ? __netdev_update_features (net/core/dev.c:11078 (discriminator 2))
[  405.449336][T10104]  ? netdev_name (./include/linux/netdevice.h:5709 (discriminator 1))
[  405.449340][T10104]  ? __netdev_printk (net/core/dev.c:13148 (discriminator 2))
[  405.449344][T10104]  netdev_info (net/core/dev.c:13195 (discriminator 3))
[  405.449347][T10104]  ? netdev_notice (net/core/dev.c:13194)
[  405.449350][T10104]  ? ovs_netdev_link (net/openvswitch/vport-netdev.c:85) openvswitch
[  405.449359][T10104]  ? 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)
[  405.449362][T10104]  __dev_set_promiscuity.cold (net/core/dev.c:9672 (discriminator 3))
[  405.449365][T10104]  netif_set_promiscuity (net/core/dev.c:9699)
[  405.449370][T10104]  dev_set_promiscuity (net/core/dev_api.c:288)
[  405.449372][T10104]  ? dev_disable_lro (net/core/dev_api.c:267)
[  405.449374][T10104] ovs_netdev_link (net/openvswitch/vport-netdev.c:106) openvswitch
[  405.449380][T10104] ovs_vport_add (net/openvswitch/vport.c:209) openvswitch
[  405.449385][T10104] new_vport (net/openvswitch/datapath.c:203) openvswitch
[  405.449390][T10104]  ? ovs_lookup_vport (./include/linux/lockdep.h:249 net/openvswitch/datapath.c:120 net/openvswitch/datapath.c:117 net/openvswitch/datapath.c:190) openvswitch
[  405.449395][T10104] ovs_vport_cmd_new (net/openvswitch/datapath.c:2389) openvswitch
[  405.449401][T10104]  ? ovs_vport_cmd_fill_info.isra.0 (./include/net/netlink.h:1107 (discriminator 1)) openvswitch
[  405.449405][T10104]  ? __nla_validate_parse (lib/nlattr.c:635)
[  405.449411][T10104]  ? __nla_parse (lib/nlattr.c:732)
[  405.449414][T10104]  ? genl_family_rcv_msg_attrs_parse.isra.0 (./include/net/netlink.h:789 (discriminator 2) net/netlink/genetlink.c:944 (discriminator 2))
[  405.449419][T10104]  genl_family_rcv_msg_doit (net/netlink/genetlink.c:1114)
[  405.449423][T10104]  ? genl_family_rcv_msg_attrs_parse.isra.0 (./include/net/netlink.h:785 (discriminator 2))
[  405.449432][T10104]  ? security_capable (security/security.c:660 (discriminator 11))
[  405.449437][T10104]  genl_family_rcv_msg (net/netlink/genetlink.c:1194)
[  405.449441][T10104]  ? genl_family_rcv_msg_dumpit (net/netlink/genetlink.c:1079)
[  405.449444][T10104]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380)
[  405.449446][T10104]  ? ovs_vport_cmd_fill_info.isra.0 (./include/net/netlink.h:1107 (discriminator 1)) openvswitch
[  405.449451][T10104]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[  405.449457][T10104]  genl_rcv_msg (net/netlink/genetlink.c:1209)
[  405.449461][T10104]  netlink_rcv_skb (net/netlink/af_netlink.c:2556)
[  405.449463][T10104]  ? genl_family_rcv_msg (net/netlink/genetlink.c:1136 (discriminator 2))
[  405.449467][T10104]  ? netlink_ack (./include/linux/skbuff.h:2718)
[  405.449474][T10104]  ? 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))
[  405.449477][T10104]  ? 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))
[  405.449481][T10104]  genl_rcv (net/netlink/genetlink.c:1218)
[  405.449484][T10104]  netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[  405.449488][T10104]  ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[  405.449490][T10104]  ? _raw_spin_unlock_irqrestore (./include/linux/spinlock_api_smp.h:210 (discriminator 6) kernel/locking/spinlock.c:221 (discriminator 6))
[  405.449495][T10104]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[  405.449499][T10104]  netlink_sendmsg (net/netlink/af_netlink.c:1900)
[  405.449504][T10104]  ? netlink_unicast (./include/net/net_namespace.h:422 (discriminator 7))
[  405.449506][T10104]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[  405.449509][T10104]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554)
[  405.449514][T10104]  __sock_sendmsg (net/socket.c:800 (discriminator 4) net/socket.c:815 (discriminator 4))
[  405.449518][T10104]  ? fdget (fs/file.c:1200 fs/file.c:1208)
[  405.449522][T10104]  __sys_sendto (net/socket.c:2281)
[  405.449525][T10104]  ? __ia32_sys_getpeername (net/socket.c:2235)
[  405.449531][T10104]  ? do_futex (kernel/futex/syscalls.c:138)
[  405.449534][T10104]  ? __ia32_sys_get_robust_list (kernel/futex/syscalls.c:94)
[  405.449541][T10104]  ? xfd_validate_state (arch/x86/kernel/fpu/xstate.c:1497 (discriminator 1) arch/x86/kernel/fpu/xstate.c:1543 (discriminator 1))
[  405.449545][T10104]  ? do_futex (kernel/futex/syscalls.c:153 (discriminator 1))
[  405.449549][T10104]  __x64_sys_sendto (net/socket.c:2288 net/socket.c:2284 net/socket.c:2284)
[  405.449552][T10104]  ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22))
[  405.449555][T10104]  ? lockdep_hardirqs_on (kernel/locking/lockdep.c:4488)
[  405.449558][T10104]  ? do_syscall_64 (arch/x86/entry/syscall_64.c:81 (discriminator 44))
[  405.449561][T10104]  do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84)
[  405.449563][T10104]  ? exc_page_fault (arch/x86/mm/fault.c:1489 (discriminator 3) arch/x86/mm/fault.c:1536 (discriminator 3))
[  405.449566][T10104]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[  405.449568][T10104] RIP: 0033:0x7fc4a3d3a312
[  405.449572][T10104] Code: 08 0f 85 71 41 ff ff 49 89 fb 48 89 f0 48 89 d7 48 89 ce 4c 89 c2 4d 89 ca 4c 8b 44 24 08 4c 8b 4c 24 10 4c 89 5c 24 08 0f 05 <c3> 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 00 f3 0f 1e fa 55 bf 01 00
All code
========
   0:	08 0f                	or     %cl,(%rdi)
   2:	85 71 41             	test   %esi,0x41(%rcx)
   5:	ff                   	(bad)
   6:	ff 49 89             	decl   -0x77(%rcx)
   9:	fb                   	sti
   a:	48 89 f0             	mov    %rsi,%rax
   d:	48 89 d7             	mov    %rdx,%rdi
  10:	48 89 ce             	mov    %rcx,%rsi
  13:	4c 89 c2             	mov    %r8,%rdx
  16:	4d 89 ca             	mov    %r9,%r10
  19:	4c 8b 44 24 08       	mov    0x8(%rsp),%r8
  1e:	4c 8b 4c 24 10       	mov    0x10(%rsp),%r9
  23:	4c 89 5c 24 08       	mov    %r11,0x8(%rsp)
  28:	0f 05                	syscall
  2a:*	c3                   	ret		<-- trapping instruction
  2b:	66 2e 0f 1f 84 00 00 	cs nopw 0x0(%rax,%rax,1)
  32:	00 00 00 
  35:	0f 1f 00             	nopl   (%rax)
  38:	f3 0f 1e fa          	endbr64
  3c:	55                   	push   %rbp
  3d:	bf                   	.byte 0xbf
  3e:	01 00                	add    %eax,(%rax)

Code starting with the faulting instruction
===========================================
   0:	c3                   	ret
   1:	66 2e 0f 1f 84 00 00 	cs nopw 0x0(%rax,%rax,1)
   8:	00 00 00 
   b:	0f 1f 00             	nopl   (%rax)
   e:	f3 0f 1e fa          	endbr64
  12:	55                   	push   %rbp
  13:	bf                   	.byte 0xbf
  14:	01 00                	add    %eax,(%rax)
[  405.449574][T10104] RSP: 002b:00007ffd1832add8 EFLAGS: 00000246 ORIG_RAX: 000000000000002c
[  405.449577][T10104] RAX: ffffffffffffffda RBX: 00007ffd1832af08 RCX: 00007fc4a3d3a312
[  405.449578][T10104] RDX: 0000000000000034 RSI: 00007fc491752330 RDI: 0000000000000023
[  405.449579][T10104] RBP: 00007ffd1832ae00 R08: 00007ffd1832af80 R09: 000000000000000c
[  405.449580][T10104] R10: 0000000000000000 R11: 0000000000000246 R12: 00007fc4a1b9e190
[  405.449581][T10104] R13: 00007ffd1832af08 R14: 00007fc4a365901a R15: 00007ffd1832b2f8
| [  415.495842][   T12] softirqs last disabled at (9332328): __neigh_ifdown.isra.0 (./include/linux/spinlock.h:353 net/core/neighbour.c:464)
| [  415.495845][   T12] Preemption disabled at:
| [  415.495845][   T12] vprintk_emit (kernel/printk/printk.c:2471)
| [  415.495855][   T12] Tainted: [W]=WARN
[  415.495856][   T12] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[  415.495858][   T12] Workqueue: netns cleanup_net
[  415.495861][   T12] Call Trace:
[  415.495863][   T12]  <TASK>
[  415.495865][   T12]  dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120)
[  415.495871][   T12]  ? vprintk_emit (kernel/printk/printk.c:2471)
[  415.495873][   T12]  __might_resched.cold (kernel/sched/core.c:9234)
[  415.495878][   T12]  ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3))
[  415.495882][   T12]  ? __kmalloc_noprof (./include/linux/sched/mm.h:317 mm/slub.c:4636 mm/slub.c:4974 mm/slub.c:5413 mm/slub.c:5439)
[  415.495887][   T12]  __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))
[  415.495889][   T12]  ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[  415.495896][   T12]  ? 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)
[  415.495902][   T12]  alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[  415.495913][   T12]  put_chars (drivers/char/virtio_console.c:1176)
[  415.495915][   T12]  ? prb_final_commit (kernel/printk/printk_ringbuffer.c:1842)
[  415.495918][   T12]  ? __send_to_port (drivers/char/virtio_console.c:654)
[  415.495921][   T12]  ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4116 (discriminator 3) kernel/rcu/tree.c:4108 (discriminator 3))
[  415.495924][   T12]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380)
[  415.495928][   T12]  ? validate_chain (kernel/locking/lockdep.c:3817 (discriminator 2) kernel/locking/lockdep.c:3837 (discriminator 2) kernel/locking/lockdep.c:3892 (discriminator 2))
[  415.495933][   T12]  hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2))
[  415.495937][   T12]  ? mark_usage (kernel/locking/lockdep.c:4690)
[  415.495939][   T12]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[  415.495941][   T12]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[  415.495946][   T12]  ? hvc_write (drivers/tty/hvc/hvc_console.c:501)
[  415.495949][   T12]  ? console_emit_next_record (kernel/printk/printk.c:3095 (discriminator 2) kernel/printk/printk.c:3182 (discriminator 2))
[  415.495953][   T12]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  415.495955][   T12]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  415.495960][   T12]  console_emit_next_record (kernel/printk/printk.c:3183)
[  415.495965][   T12]  ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20)
[  415.495967][   T12]  ? 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))
[  415.495971][   T12]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  415.495973][   T12]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  415.495977][   T12]  console_flush_one_record (kernel/printk/printk.c:3268)
[  415.495982][   T12]  ? console_emit_next_record (kernel/printk/printk.c:3150)
[  415.495984][   T12]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[  415.495990][   T12]  console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420)
[  415.495993][   T12]  ? console_flush_one_record (kernel/printk/printk.c:3316)
[  415.495995][   T12]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  415.495997][   T12]  ? 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)
[  415.496001][   T12]  ? __down_trylock_console_sem (kernel/printk/printk.c:334)
[  415.496004][   T12]  ? vprintk_emit (kernel/printk/printk.c:2478)
[  415.496007][   T12]  vprintk_emit (kernel/printk/printk.c:2479)
[  415.496010][   T12]  ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126))
[  415.496013][   T12]  ? net_disable_timestamp (./include/linux/workqueue.h:761)
[  415.496015][   T12]  ? net_generic (./include/linux/rcupdate.h:882 ./include/net/netns/generic.h:48) vxlan
[  415.496025][   T12]  _printk (kernel/printk/printk.c:2504)
[  415.496028][   T12]  ? snapshot_read.cold (user.c:?)
[  415.496033][   T12]  ? netdev_name (./include/linux/netdevice.h:5709 (discriminator 1))
[  415.496038][   T12]  ? __netdev_printk (net/core/dev.c:13148 (discriminator 2))
[  415.496042][   T12]  netdev_info (net/core/dev.c:13195 (discriminator 3))
[  415.496045][   T12]  ? netdev_notice (net/core/dev.c:13194)
[  415.496047][   T12]  ? __netdev_upper_dev_unlink (net/core/dev.c:9094)
[  415.496052][   T12]  ? synchronize_rcu_expedited (kernel/rcu/tree_exp.h:985)
[  415.496058][   T12]  ? 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)
[  415.496061][   T12]  __dev_set_promiscuity.cold (net/core/dev.c:9672 (discriminator 3))
[  415.496064][   T12]  netif_set_promiscuity (net/core/dev.c:9699)
[  415.496068][   T12]  dev_set_promiscuity (net/core/dev_api.c:288)
[  415.496070][   T12]  ? rtnl_is_locked (net/core/rtnetlink.c:169)
[  415.496074][   T12] ovs_netdev_detach_dev (net/openvswitch/vport-netdev.c:174) openvswitch
[  415.496081][   T12] dp_device_event (net/openvswitch/dp_notify.c:74) openvswitch
[  415.496086][   T12]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  415.496089][   T12]  notifier_call_chain (kernel/notifier.c:85)
[  415.496096][   T12]  unregister_netdevice_many_notify (net/core/dev.c:2313 net/core/dev.c:2327 net/core/dev.c:12518)
[  415.496101][   T12]  ? unregister_netdevice_queued (./include/linux/list.h:419 (discriminator 3))
[  415.496110][   T12]  default_device_exit_batch (net/core/dev.c:12589 net/core/dev.c:13288)
[  415.496114][   T12]  ? unregister_netdevice_queue (./include/linux/list.h:173)
[  415.496116][   T12]  ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3))
[  415.496119][   T12]  ? fou_exit_net (net/ipv4/fou_core.c:1228)
[  415.496124][   T12]  ops_undo_list (net/core/net_namespace.c:206 net/core/net_namespace.c:253)
[  415.496128][   T12]  ? lockdep_hardirqs_on (kernel/locking/lockdep.c:4488)
[  415.496133][   T12]  ? netns_install (./include/linux/ns_common.h:26)
[  415.496134][   T12]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554)
[  415.496138][   T12]  ? idr_destroy (lib/radix-tree.c:310 lib/radix-tree.c:674 lib/radix-tree.c:1563)
[  415.496143][   T12]  cleanup_net (net/core/net_namespace.c:706)
[  415.496147][   T12]  ? net_passive_dec (./include/linux/llist.h:241)
[  415.496151][   T12]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  415.496153][   T12]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  415.496157][   T12]  process_one_work (kernel/workqueue.c:3387)
[  415.496164][   T12]  ? __queue_delayed_work (kernel/workqueue.c:2622)
[  415.496168][   T12]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2))
[  415.496176][   T12]  worker_thread (kernel/workqueue.c:3470 kernel/workqueue.c:3551)
[  415.496184][   T12]  ? rescuer_thread (./include/linux/list.h:419 (discriminator 3))
[  415.496187][   T12]  kthread (kernel/kthread.c:436)
[  415.496189][   T12]  ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22))
[  415.496193][   T12]  ? kthread_affine_preferred (kernel/kthread.c:857)
[  415.496196][   T12]  ret_from_fork (arch/x86/kernel/process.c:158)
[  415.496201][   T12]  ? arch_exit_to_user_mode_prepare.isra.0 (arch/x86/entry/vdso/vma.c:80 (discriminator 1))
[  415.496204][   T12]  ? __switch_to (arch/x86/kernel/process_64.c:403 arch/x86/kernel/process_64.c:663)
[  415.496208][   T12]  ? kthread_affine_preferred (kernel/kthread.c:857)
[  415.496211][   T12]  ret_from_fork_asm (arch/x86/entry/entry_64.S:245)
| [  416.611185][T10305] softirqs last disabled at (384226): inet6_fill_ifla6_attrs (net/ipv6/addrconf.c:5883)
| [  416.611187][T10305] Preemption disabled at:
| [  416.611188][T10305] vprintk_emit (kernel/printk/printk.c:2471)
| [  416.611197][T10305] Tainted: [W]=WARN
[  416.611198][T10305] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[  416.611200][T10305] Call Trace:
[  416.611202][T10305]  <TASK>
[  416.611204][T10305]  dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120)
[  416.611210][T10305]  ? vprintk_emit (kernel/printk/printk.c:2471)
[  416.611212][T10305]  __might_resched.cold (kernel/sched/core.c:9234)
[  416.611217][T10305]  ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3))
[  416.611221][T10305]  ? __kmalloc_noprof (./include/linux/sched/mm.h:317 mm/slub.c:4636 mm/slub.c:4974 mm/slub.c:5413 mm/slub.c:5439)
[  416.611226][T10305]  __kmalloc_noprof (./include/linux/sched/mm.h:322 (discriminator 2) mm/slub.c:4636 (discriminator 2) mm/slub.c:4974 (discriminator 2) mm/slub.c:5413 (discriminator 2) mm/slub.c:5439 (discriminator 2))
[  416.611229][T10305]  ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[  416.611236][T10305]  ? do_raw_spin_unlock (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:32 ./include/asm-generic/qspinlock.h:58 kernel/locking/spinlock_debug.c:101 kernel/locking/spinlock_debug.c:141)
[  416.611239][T10305]  alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[  416.611243][T10305]  put_chars (drivers/char/virtio_console.c:1176)
[  416.611245][T10305]  ? __send_to_port (drivers/char/virtio_console.c:654)
[  416.611247][T10305]  ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4116 (discriminator 3) kernel/rcu/tree.c:4108 (discriminator 3))
[  416.611251][T10305]  ? validate_chain (kernel/locking/lockdep.c:3817 (discriminator 2) kernel/locking/lockdep.c:3837 (discriminator 2) kernel/locking/lockdep.c:3892 (discriminator 2))
[  416.611257][T10305]  hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2))
[  416.611266][T10305]  ? hvc_write (drivers/tty/hvc/hvc_console.c:501)
[  416.611269][T10305]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  416.611271][T10305]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  416.611276][T10305]  console_emit_next_record (kernel/printk/printk.c:3183)
[  416.611280][T10305]  ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20)
[  416.611282][T10305]  ? console_flush_one_record (./include/linux/rcupdate.h:314 (discriminator 2) ./include/linux/srcu.h:439 (discriminator 2) kernel/printk/printk.c:291 (discriminator 2) kernel/printk/printk.c:3246 (discriminator 2))
[  416.611286][T10305]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  416.611288][T10305]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  416.611292][T10305]  console_flush_one_record (kernel/printk/printk.c:3268)
[  416.611297][T10305]  ? console_emit_next_record (kernel/printk/printk.c:3150)
[  416.611299][T10305]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[  416.611305][T10305]  console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420)
[  416.611309][T10305]  ? console_flush_one_record (kernel/printk/printk.c:3316)
[  416.611311][T10305]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  416.611313][T10305]  ? lock_acquire (./include/linux/srcutree.h:374 ./include/linux/srcu.h:541 ./include/linux/srcu.h:645 ./include/trace/events/lock.h:23 ./include/trace/events/lock.h:23 kernel/locking/lockdep.c:5871)
[  416.611317][T10305]  ? __down_trylock_console_sem (kernel/printk/printk.c:334)
[  416.611319][T10305]  ? vprintk_emit (kernel/printk/printk.c:2478)
[  416.611322][T10305]  vprintk_emit (kernel/printk/printk.c:2479)
[  416.611326][T10305]  ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126))
[  416.611329][T10305]  ? net_disable_timestamp (./include/linux/workqueue.h:761)
[  416.611332][T10305]  ? net_generic (./include/linux/rcupdate.h:882 ./include/net/netns/generic.h:48) vxlan
[  416.611340][T10305]  _printk (kernel/printk/printk.c:2504)
[  416.611344][T10305]  ? snapshot_read.cold (user.c:?)
[  416.611349][T10305]  ? netdev_name (./include/linux/netdevice.h:5709 (discriminator 1))
[  416.611353][T10305]  ? __netdev_printk (net/core/dev.c:13148 (discriminator 2))
[  416.611357][T10305]  netdev_info (net/core/dev.c:13195 (discriminator 3))
[  416.611360][T10305]  ? netdev_notice (net/core/dev.c:13194)
[  416.611362][T10305]  ? __netdev_upper_dev_unlink (net/core/dev.c:9094)
[  416.611367][T10305]  ? synchronize_rcu_expedited (kernel/rcu/tree_exp.h:985)
[  416.611373][T10305]  ? 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)
[  416.611376][T10305]  __dev_set_promiscuity.cold (net/core/dev.c:9672 (discriminator 3))
[  416.611380][T10305]  netif_set_promiscuity (net/core/dev.c:9699)
[  416.611384][T10305]  dev_set_promiscuity (net/core/dev_api.c:288)
[  416.611386][T10305]  ? rtnl_is_locked (net/core/rtnetlink.c:169)
[  416.611390][T10305] ovs_netdev_detach_dev (net/openvswitch/vport-netdev.c:174) openvswitch
[  416.611394][T10305]  ? netdev_destroy (net/openvswitch/vport-netdev.c:189) openvswitch
[  416.611398][T10305] netdev_destroy (net/openvswitch/vport-netdev.c:194) openvswitch
[  416.611404][T10305] ovs_vport_cmd_del (net/openvswitch/datapath.c:2505) openvswitch
[  416.611412][T10305]  genl_family_rcv_msg_doit (net/netlink/genetlink.c:1114)
[  416.611416][T10305]  ? genl_family_rcv_msg_attrs_parse.isra.0 (./include/net/netlink.h:785 (discriminator 2))
[  416.611425][T10305]  ? security_capable (security/security.c:660 (discriminator 11))
[  416.611430][T10305]  genl_family_rcv_msg (net/netlink/genetlink.c:1194)
[  416.611434][T10305]  ? genl_family_rcv_msg_dumpit (net/netlink/genetlink.c:1079)
[  416.611437][T10305]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380)
[  416.611440][T10305]  ? ovs_dp_detach_port (./include/linux/list.h:1047 (discriminator 2)) openvswitch
[  416.611445][T10305]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[  416.611451][T10305]  genl_rcv_msg (net/netlink/genetlink.c:1209)
[  416.611455][T10305]  netlink_rcv_skb (net/netlink/af_netlink.c:2556)
[  416.611457][T10305]  ? genl_family_rcv_msg (net/netlink/genetlink.c:1136 (discriminator 2))
[  416.611461][T10305]  ? netlink_ack (./include/linux/skbuff.h:2718)
[  416.611468][T10305]  ? 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))
[  416.611471][T10305]  ? 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))
[  416.611475][T10305]  genl_rcv (net/netlink/genetlink.c:1218)
[  416.611477][T10305]  netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[  416.611482][T10305]  ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[  416.611486][T10305]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[  416.611490][T10305]  netlink_sendmsg (net/netlink/af_netlink.c:1900)
[  416.611494][T10305]  ? netlink_unicast (./include/net/net_namespace.h:422 (discriminator 7))
[  416.611496][T10305]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[  416.611500][T10305]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554)
[  416.611505][T10305]  __sock_sendmsg (net/socket.c:800 (discriminator 4) net/socket.c:815 (discriminator 4))
[  416.611508][T10305]  ? fdget (fs/file.c:1200 fs/file.c:1208)
[  416.611513][T10305]  __sys_sendto (net/socket.c:2281)
[  416.611516][T10305]  ? __ia32_sys_getpeername (net/socket.c:2235)
[  416.611528][T10305]  ? exc_page_fault (arch/x86/mm/fault.c:1483 arch/x86/mm/fault.c:1536)
[  416.611535][T10305]  __x64_sys_sendto (net/socket.c:2288 net/socket.c:2284 net/socket.c:2284)
[  416.611537][T10305]  ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22))
[  416.611541][T10305]  ? lockdep_hardirqs_on (kernel/locking/lockdep.c:4488)
[  416.611543][T10305]  ? do_syscall_64 (arch/x86/entry/syscall_64.c:81 (discriminator 44))
[  416.611546][T10305]  do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84)
[  416.611548][T10305]  ? exc_page_fault (arch/x86/mm/fault.c:1489 (discriminator 3) arch/x86/mm/fault.c:1536 (discriminator 3))
[  416.611551][T10305]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[  416.611553][T10305] RIP: 0033:0x7f789ffa8312
[  416.611557][T10305] Code: 08 0f 85 71 41 ff ff 49 89 fb 48 89 f0 48 89 d7 48 89 ce 4c 89 c2 4d 89 ca 4c 8b 44 24 08 4c 8b 4c 24 10 4c 89 5c 24 08 0f 05 <c3> 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 00 f3 0f 1e fa 55 bf 01 00
All code
========
   0:	08 0f                	or     %cl,(%rdi)
   2:	85 71 41             	test   %esi,0x41(%rcx)
   5:	ff                   	(bad)
   6:	ff 49 89             	decl   -0x77(%rcx)
   9:	fb                   	sti
   a:	48 89 f0             	mov    %rsi,%rax
   d:	48 89 d7             	mov    %rdx,%rdi
  10:	48 89 ce             	mov    %rcx,%rsi
  13:	4c 89 c2             	mov    %r8,%rdx
  16:	4d 89 ca             	mov    %r9,%r10
  19:	4c 8b 44 24 08       	mov    0x8(%rsp),%r8
  1e:	4c 8b 4c 24 10       	mov    0x10(%rsp),%r9
  23:	4c 89 5c 24 08       	mov    %r11,0x8(%rsp)
  28:	0f 05                	syscall
  2a:*	c3                   	ret		<-- trapping instruction
  2b:	66 2e 0f 1f 84 00 00 	cs nopw 0x0(%rax,%rax,1)
  32:	00 00 00 
  35:	0f 1f 00             	nopl   (%rax)
  38:	f3 0f 1e fa          	endbr64
  3c:	55                   	push   %rbp
  3d:	bf                   	.byte 0xbf
  3e:	01 00                	add    %eax,(%rax)

Code starting with the faulting instruction
===========================================
   0:	c3                   	ret
   1:	66 2e 0f 1f 84 00 00 	cs nopw 0x0(%rax,%rax,1)
   8:	00 00 00 
   b:	0f 1f 00             	nopl   (%rax)
   e:	f3 0f 1e fa          	endbr64
  12:	55                   	push   %rbp
  13:	bf                   	.byte 0xbf
  14:	01 00                	add    %eax,(%rax)
[  416.611559][T10305] RSP: 002b:00007ffe9751b818 EFLAGS: 00000246 ORIG_RAX: 000000000000002c
[  416.611562][T10305] RAX: ffffffffffffffda RBX: 00007ffe9751b948 RCX: 00007f789ffa8312
[  416.611564][T10305] RDX: 0000000000000024 RSI: 00007f789c3d93b0 RDI: 0000000000000023
[  416.611565][T10305] RBP: 00007ffe9751b840 R08: 00007ffe9751b9c0 R09: 000000000000000c
[  416.611566][T10305] R10: 0000000000000000 R11: 0000000000000246 R12: 00007f789de11fd0
[  416.611567][T10305] R13: 00007ffe9751b948 R14: 00007f789f8c701a R15: 00007ffe9751bd38
| [  418.362120][T10331] softirqs last disabled at (385312): __alloc_skb (./include/linux/bottom_half.h:20 (discriminator 2) net/core/skbuff.c:697 (discriminator 2))
| [  418.362123][T10331] Preemption disabled at:
| [  418.362123][T10331] vprintk_emit (kernel/printk/printk.c:2471)
| [  418.362133][T10331] Tainted: [W]=WARN
[  418.362134][T10331] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[  418.362135][T10331] Call Trace:
[  418.362137][T10331]  <TASK>
[  418.362139][T10331]  dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120)
[  418.362145][T10331]  ? vprintk_emit (kernel/printk/printk.c:2471)
[  418.362147][T10331]  __might_resched.cold (kernel/sched/core.c:9234)
[  418.362152][T10331]  ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3))
[  418.362157][T10331]  ? __kmalloc_noprof (./include/linux/sched/mm.h:317 mm/slub.c:4636 mm/slub.c:4974 mm/slub.c:5413 mm/slub.c:5439)
[  418.362161][T10331]  __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))
[  418.362163][T10331]  ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[  418.362170][T10331]  ? 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)
[  418.362173][T10331]  alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[  418.362178][T10331]  put_chars (drivers/char/virtio_console.c:1176)
[  418.362180][T10331]  ? __send_to_port (drivers/char/virtio_console.c:654)
[  418.362182][T10331]  ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4116 (discriminator 3) kernel/rcu/tree.c:4108 (discriminator 3))
[  418.362185][T10331]  ? validate_chain (kernel/locking/lockdep.c:3817 (discriminator 2) kernel/locking/lockdep.c:3837 (discriminator 2) kernel/locking/lockdep.c:3892 (discriminator 2))
[  418.362191][T10331]  hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2))
[  418.362200][T10331]  ? hvc_write (drivers/tty/hvc/hvc_console.c:501)
[  418.362203][T10331]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  418.362205][T10331]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  418.362209][T10331]  console_emit_next_record (kernel/printk/printk.c:3183)
[  418.362214][T10331]  ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20)
[  418.362216][T10331]  ? 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))
[  418.362220][T10331]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  418.362222][T10331]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  418.362226][T10331]  console_flush_one_record (kernel/printk/printk.c:3268)
[  418.362231][T10331]  ? console_emit_next_record (kernel/printk/printk.c:3150)
[  418.362233][T10331]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[  418.362239][T10331]  console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420)
[  418.362242][T10331]  ? console_flush_one_record (kernel/printk/printk.c:3316)
[  418.362244][T10331]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  418.362246][T10331]  ? 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)
[  418.362250][T10331]  ? __down_trylock_console_sem (kernel/printk/printk.c:334)
[  418.362252][T10331]  ? vprintk_emit (kernel/printk/printk.c:2478)
[  418.362255][T10331]  vprintk_emit (kernel/printk/printk.c:2479)
[  418.362258][T10331]  ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126))
[  418.362261][T10331]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380)
[  418.362263][T10331]  ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4116 (discriminator 3) kernel/rcu/tree.c:4108 (discriminator 3))
[  418.362268][T10331]  _printk (kernel/printk/printk.c:2504)
[  418.362272][T10331]  ? snapshot_read.cold (user.c:?)
[  418.362276][T10331]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  418.362278][T10331]  ? netdev_name (./include/linux/netdevice.h:5709 (discriminator 1))
[  418.362281][T10331]  ? __netdev_printk (net/core/dev.c:13148 (discriminator 2))
[  418.362286][T10331]  netdev_info (net/core/dev.c:13195 (discriminator 3))
[  418.362289][T10331]  ? netdev_notice (net/core/dev.c:13194)
[  418.362291][T10331]  ? internal_dev_destroy (net/openvswitch/vport-internal_dev.c:178) openvswitch
[  418.362297][T10331]  ? ww_mutex_lock (kernel/locking/mutex.c:934)
[  418.362303][T10331]  ? 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)
[  418.362306][T10331]  __dev_set_promiscuity.cold (net/core/dev.c:9672 (discriminator 3))
[  418.362309][T10331]  netif_set_promiscuity (net/core/dev.c:9699)
[  418.362314][T10331]  dev_set_promiscuity (net/core/dev_api.c:288)
[  418.362318][T10331] internal_dev_destroy (net/openvswitch/vport-internal_dev.c:179) openvswitch
[  418.362324][T10331] __dp_destroy (net/openvswitch/datapath.c:1969 (discriminator 1)) openvswitch
[  418.362332][T10331] ovs_dp_cmd_del (net/openvswitch/datapath.c:2003) openvswitch
[  418.362337][T10331]  genl_family_rcv_msg_doit (net/netlink/genetlink.c:1114)
[  418.362341][T10331]  ? genl_family_rcv_msg_attrs_parse.isra.0 (./include/net/netlink.h:785 (discriminator 2))
[  418.362350][T10331]  ? security_capable (security/security.c:660 (discriminator 11))
[  418.362355][T10331]  genl_family_rcv_msg (net/netlink/genetlink.c:1194)
[  418.362359][T10331]  ? genl_family_rcv_msg_dumpit (net/netlink/genetlink.c:1079)
[  418.362362][T10331]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380)
[  418.362364][T10331]  ? __dp_destroy (./include/linux/list.h:242 (discriminator 2) ./include/linux/list.h:264 (discriminator 2) ./include/linux/rculist.h:178 (discriminator 2) net/openvswitch/datapath.c:1964 (discriminator 2)) openvswitch
[  418.362368][T10331]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[  418.362375][T10331]  genl_rcv_msg (net/netlink/genetlink.c:1209)
[  418.362379][T10331]  netlink_rcv_skb (net/netlink/af_netlink.c:2556)
[  418.362381][T10331]  ? genl_family_rcv_msg (net/netlink/genetlink.c:1136 (discriminator 2))
[  418.362385][T10331]  ? netlink_ack (./include/linux/skbuff.h:2718)
[  418.362392][T10331]  ? 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))
[  418.362394][T10331]  ? 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))
[  418.362399][T10331]  genl_rcv (net/netlink/genetlink.c:1218)
[  418.362401][T10331]  netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[  418.362405][T10331]  ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[  418.362409][T10331]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[  418.362413][T10331]  netlink_sendmsg (net/netlink/af_netlink.c:1900)
[  418.362417][T10331]  ? netlink_unicast (./include/net/net_namespace.h:422 (discriminator 7))
[  418.362419][T10331]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[  418.362422][T10331]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554)
[  418.362428][T10331]  __sock_sendmsg (net/socket.c:800 (discriminator 4) net/socket.c:815 (discriminator 4))
[  418.362431][T10331]  ? fdget (fs/file.c:1200 fs/file.c:1208)
[  418.362434][T10331]  __sys_sendto (net/socket.c:2281)
[  418.362438][T10331]  ? __ia32_sys_getpeername (net/socket.c:2235)
[  418.362443][T10331]  ? do_futex (kernel/futex/syscalls.c:133)
[  418.362447][T10331]  ? __ia32_sys_get_robust_list (kernel/futex/syscalls.c:94)
[  418.362454][T10331]  ? xfd_validate_state (arch/x86/kernel/fpu/xstate.c:1497 (discriminator 1) arch/x86/kernel/fpu/xstate.c:1543 (discriminator 1))
[  418.362461][T10331]  __x64_sys_sendto (net/socket.c:2288 net/socket.c:2284 net/socket.c:2284)
[  418.362464][T10331]  ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22))
[  418.362467][T10331]  ? lockdep_hardirqs_on (kernel/locking/lockdep.c:4488)
[  418.362470][T10331]  ? do_syscall_64 (arch/x86/entry/syscall_64.c:81 (discriminator 44))
[  418.362473][T10331]  do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84)
[  418.362475][T10331]  ? exc_page_fault (arch/x86/mm/fault.c:1489 (discriminator 3) arch/x86/mm/fault.c:1536 (discriminator 3))
[  418.362478][T10331]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[  418.362480][T10331] RIP: 0033:0x7f447918d312
[  418.362484][T10331] Code: 08 0f 85 71 41 ff ff 49 89 fb 48 89 f0 48 89 d7 48 89 ce 4c 89 c2 4d 89 ca 4c 8b 44 24 08 4c 8b 4c 24 10 4c 89 5c 24 08 0f 05 <c3> 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 00 f3 0f 1e fa 55 bf 01 00
All code
========
   0:	08 0f                	or     %cl,(%rdi)
   2:	85 71 41             	test   %esi,0x41(%rcx)
   5:	ff                   	(bad)
   6:	ff 49 89             	decl   -0x77(%rcx)
   9:	fb                   	sti
   a:	48 89 f0             	mov    %rsi,%rax
   d:	48 89 d7             	mov    %rdx,%rdi
  10:	48 89 ce             	mov    %rcx,%rsi
  13:	4c 89 c2             	mov    %r8,%rdx
  16:	4d 89 ca             	mov    %r9,%r10
  19:	4c 8b 44 24 08       	mov    0x8(%rsp),%r8
  1e:	4c 8b 4c 24 10       	mov    0x10(%rsp),%r9
  23:	4c 89 5c 24 08       	mov    %r11,0x8(%rsp)
  28:	0f 05                	syscall
  2a:*	c3                   	ret		<-- trapping instruction
  2b:	66 2e 0f 1f 84 00 00 	cs nopw 0x0(%rax,%rax,1)
  32:	00 00 00 
  35:	0f 1f 00             	nopl   (%rax)
  38:	f3 0f 1e fa          	endbr64
  3c:	55                   	push   %rbp
  3d:	bf                   	.byte 0xbf
  3e:	01 00                	add    %eax,(%rax)

Code starting with the faulting instruction
===========================================
   0:	c3                   	ret
   1:	66 2e 0f 1f 84 00 00 	cs nopw 0x0(%rax,%rax,1)
   8:	00 00 00 
   b:	0f 1f 00             	nopl   (%rax)
   e:	f3 0f 1e fa          	endbr64
  12:	55                   	push   %rbp
  13:	bf                   	.byte 0xbf
  14:	01 00                	add    %eax,(%rax)
[  418.362486][T10331] RSP: 002b:00007ffdfc5348e8 EFLAGS: 00000246 ORIG_RAX: 000000000000002c
[  418.362489][T10331] RAX: ffffffffffffffda RBX: 00007ffdfc534a18 RCX: 00007f447918d312
[  418.362490][T10331] RDX: 0000000000000024 RSI: 00007f4474cfd8c0 RDI: 0000000000000020
[  418.362491][T10331] RBP: 00007ffdfc534910 R08: 00007ffdfc534a90 R09: 000000000000000c
[  418.362492][T10331] R10: 0000000000000000 R11: 0000000000000246 R12: 00007f4476fe9e10
[  418.362493][T10331] R13: 00007ffdfc534a18 R14: 00007f4478aac01a R15: 00007ffdfc534e08
| [  422.012673][T10426] softirqs last disabled at (393708): __alloc_skb (./include/linux/bottom_half.h:20 (discriminator 2) net/core/skbuff.c:697 (discriminator 2))
| [  422.012676][T10426] Preemption disabled at:
| [  422.012676][T10426] vprintk_emit (kernel/printk/printk.c:2471)
| [  422.012685][T10426] Tainted: [W]=WARN
[  422.012686][T10426] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[  422.012688][T10426] Call Trace:
[  422.012690][T10426]  <TASK>
[  422.012691][T10426]  dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120)
[  422.012697][T10426]  ? vprintk_emit (kernel/printk/printk.c:2471)
[  422.012699][T10426]  __might_resched.cold (kernel/sched/core.c:9234)
[  422.012704][T10426]  ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3))
[  422.012708][T10426]  ? __kmalloc_noprof (./include/linux/sched/mm.h:317 mm/slub.c:4636 mm/slub.c:4974 mm/slub.c:5413 mm/slub.c:5439)
[  422.012713][T10426]  __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))
[  422.012715][T10426]  ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[  422.012722][T10426]  ? 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)
[  422.012725][T10426]  alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[  422.012729][T10426]  put_chars (drivers/char/virtio_console.c:1176)
[  422.012731][T10426]  ? __send_to_port (drivers/char/virtio_console.c:654)
[  422.012734][T10426]  ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4116 (discriminator 3) kernel/rcu/tree.c:4108 (discriminator 3))
[  422.012738][T10426]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380)
[  422.012741][T10426]  ? validate_chain (kernel/locking/lockdep.c:3817 (discriminator 2) kernel/locking/lockdep.c:3837 (discriminator 2) kernel/locking/lockdep.c:3892 (discriminator 2))
[  422.012745][T10426]  hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2))
[  422.012750][T10426]  ? mark_usage (kernel/locking/lockdep.c:4690)
[  422.012752][T10426]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[  422.012754][T10426]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[  422.012758][T10426]  ? hvc_write (drivers/tty/hvc/hvc_console.c:501)
[  422.012760][T10426]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2))
[  422.012765][T10426]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  422.012769][T10426]  console_emit_next_record (kernel/printk/printk.c:3183)
[  422.012773][T10426]  ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20)
[  422.012776][T10426]  ? 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))
[  422.012779][T10426]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  422.012781][T10426]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  422.012785][T10426]  console_flush_one_record (kernel/printk/printk.c:3268)
[  422.012790][T10426]  ? console_emit_next_record (kernel/printk/printk.c:3150)
[  422.012792][T10426]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[  422.012798][T10426]  console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420)
[  422.012801][T10426]  ? console_flush_one_record (kernel/printk/printk.c:3316)
[  422.012803][T10426]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  422.012805][T10426]  ? 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)
[  422.012809][T10426]  ? __down_trylock_console_sem (kernel/printk/printk.c:334)
[  422.012811][T10426]  ? vprintk_emit (kernel/printk/printk.c:2478)
[  422.012814][T10426]  vprintk_emit (kernel/printk/printk.c:2479)
[  422.012817][T10426]  ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126))
[  422.012820][T10426]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554)
[  422.012821][T10426]  ? genl_family_rcv_msg (net/netlink/genetlink.c:1194)
[  422.012826][T10426]  _printk (kernel/printk/printk.c:2504)
[  422.012830][T10426]  ? snapshot_read.cold (user.c:?)
[  422.012832][T10426]  ? ___ratelimit (lib/ratelimit.c:97 (discriminator 3))
[  422.012838][T10426]  ? idr_get_free (??:?)
[  422.012843][T10426]  validate_nla.cold (lib/nlattr.c:414 (discriminator 4))
[  422.012853][T10426]  ? nla_get_range_signed (lib/nlattr.c:270)
[  422.012859][T10426]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  422.012861][T10426]  ? trace_kmalloc (./include/trace/events/kmem.h:57 (discriminator 22))
[  422.012866][T10426]  __nla_validate_parse (lib/nlattr.c:635)
[  422.012871][T10426]  __nla_parse (lib/nlattr.c:732)
[  422.012874][T10426]  genl_family_rcv_msg_attrs_parse.isra.0 (./include/net/netlink.h:789 (discriminator 2) net/netlink/genetlink.c:944 (discriminator 2))
[  422.012879][T10426]  genl_family_rcv_msg_doit (net/netlink/genetlink.c:1092)
[  422.012883][T10426]  ? genl_family_rcv_msg_attrs_parse.isra.0 (./include/net/netlink.h:785 (discriminator 2))
[  422.012891][T10426]  ? security_capable (security/security.c:660 (discriminator 11))
[  422.012896][T10426]  genl_family_rcv_msg (net/netlink/genetlink.c:1194)
[  422.012905][T10426]  ? genl_family_rcv_msg_dumpit (net/netlink/genetlink.c:1079)
[  422.012908][T10426]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380)
[  422.012911][T10426]  ? ovs_dp_cmd_get (./include/net/net_namespace.h:422 (discriminator 7)) openvswitch
[  422.012920][T10426]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[  422.012926][T10426]  genl_rcv_msg (net/netlink/genetlink.c:1209)
[  422.012929][T10426]  netlink_rcv_skb (net/netlink/af_netlink.c:2556)
[  422.012932][T10426]  ? genl_family_rcv_msg (net/netlink/genetlink.c:1136 (discriminator 2))
[  422.012936][T10426]  ? netlink_ack (./include/linux/skbuff.h:2718)
[  422.012944][T10426]  ? 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))
[  422.012946][T10426]  ? 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))
[  422.012959][T10426]  genl_rcv (net/netlink/genetlink.c:1218)
[  422.012961][T10426]  netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[  422.012966][T10426]  ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[  422.012970][T10426]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[  422.012974][T10426]  netlink_sendmsg (net/netlink/af_netlink.c:1900)
[  422.012978][T10426]  ? netlink_unicast (./include/net/net_namespace.h:422 (discriminator 7))
[  422.012980][T10426]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[  422.012983][T10426]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554)
[  422.012988][T10426]  __sock_sendmsg (net/socket.c:800 (discriminator 4) net/socket.c:815 (discriminator 4))
[  422.012991][T10426]  ? fdget (fs/file.c:1200 fs/file.c:1208)
[  422.012995][T10426]  __sys_sendto (net/socket.c:2281)
[  422.012998][T10426]  ? __ia32_sys_getpeername (net/socket.c:2235)
[  422.013009][T10426]  ? fput_close_sync (fs/file_table.c:617)
[  422.013013][T10426]  ? alloc_file_clone (fs/file_table.c:479)
[  422.013017][T10426]  __x64_sys_sendto (net/socket.c:2288 net/socket.c:2284 net/socket.c:2284)
[  422.013020][T10426]  ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22))
[  422.013024][T10426]  ? lockdep_hardirqs_on (kernel/locking/lockdep.c:4488)
[  422.013026][T10426]  ? do_syscall_64 (arch/x86/entry/syscall_64.c:81 (discriminator 44))
[  422.013029][T10426]  do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84)
[  422.013031][T10426]  ? exc_page_fault (arch/x86/mm/fault.c:1489 (discriminator 3) arch/x86/mm/fault.c:1536 (discriminator 3))
[  422.013034][T10426]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[  422.013036][T10426] RIP: 0033:0x7f34694ca312
[  422.013040][T10426] Code: 08 0f 85 71 41 ff ff 49 89 fb 48 89 f0 48 89 d7 48 89 ce 4c 89 c2 4d 89 ca 4c 8b 44 24 08 4c 8b 4c 24 10 4c 89 5c 24 08 0f 05 <c3> 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 00 f3 0f 1e fa 55 bf 01 00
All code
========
   0:	08 0f                	or     %cl,(%rdi)
   2:	85 71 41             	test   %esi,0x41(%rcx)
   5:	ff                   	(bad)
   6:	ff 49 89             	decl   -0x77(%rcx)
   9:	fb                   	sti
   a:	48 89 f0             	mov    %rsi,%rax
   d:	48 89 d7             	mov    %rdx,%rdi
  10:	48 89 ce             	mov    %rcx,%rsi
  13:	4c 89 c2             	mov    %r8,%rdx
  16:	4d 89 ca             	mov    %r9,%r10
  19:	4c 8b 44 24 08       	mov    0x8(%rsp),%r8
  1e:	4c 8b 4c 24 10       	mov    0x10(%rsp),%r9
  23:	4c 89 5c 24 08       	mov    %r11,0x8(%rsp)
  28:	0f 05                	syscall
  2a:*	c3                   	ret		<-- trapping instruction
  2b:	66 2e 0f 1f 84 00 00 	cs nopw 0x0(%rax,%rax,1)
  32:	00 00 00 
  35:	0f 1f 00             	nopl   (%rax)
  38:	f3 0f 1e fa          	endbr64
  3c:	55                   	push   %rbp
  3d:	bf                   	.byte 0xbf
  3e:	01 00                	add    %eax,(%rax)

Code starting with the faulting instruction
===========================================
   0:	c3                   	ret
   1:	66 2e 0f 1f 84 00 00 	cs nopw 0x0(%rax,%rax,1)
   8:	00 00 00 
   b:	0f 1f 00             	nopl   (%rax)
   e:	f3 0f 1e fa          	endbr64
  12:	55                   	push   %rbp
  13:	bf                   	.byte 0xbf
  14:	01 00                	add    %eax,(%rax)
[  422.013042][T10426] RSP: 002b:00007ffc200d8e08 EFLAGS: 00000246 ORIG_RAX: 000000000000002c
[  422.013045][T10426] RAX: ffffffffffffffda RBX: 00007ffc200d8f38 RCX: 00007f34694ca312
[  422.013046][T10426] RDX: 0000000000000044 RSI: 00007f346509f190 RDI: 0000000000000020
[  422.013048][T10426] RBP: 00007ffc200d8e30 R08: 00007ffc200d8fb0 R09: 000000000000000c
[  422.013048][T10426] R10: 0000000000000000 R11: 0000000000000246 R12: 00007f346732e0b0
[  422.013049][T10426] R13: 00007ffc200d8f38 R14: 00007f3468de901a R15: 00007ffc200d9328
| [  423.393245][T10458] softirqs last disabled at (382612): inet6_fill_ifla6_attrs (net/ipv6/addrconf.c:5883)
| [  423.393247][T10458] Preemption disabled at:
| [  423.393248][T10458] vprintk_emit (kernel/printk/printk.c:2471)
| [  423.393259][T10458] Tainted: [W]=WARN
[  423.393260][T10458] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[  423.393262][T10458] Call Trace:
[  423.393264][T10458]  <TASK>
[  423.393266][T10458]  dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120)
[  423.393272][T10458]  ? vprintk_emit (kernel/printk/printk.c:2471)
[  423.393274][T10458]  __might_resched.cold (kernel/sched/core.c:9234)
[  423.393279][T10458]  ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3))
[  423.393283][T10458]  ? __kmalloc_noprof (./include/linux/sched/mm.h:317 mm/slub.c:4636 mm/slub.c:4974 mm/slub.c:5413 mm/slub.c:5439)
[  423.393288][T10458]  __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))
[  423.393290][T10458]  ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[  423.393298][T10458]  ? 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)
[  423.393301][T10458]  alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[  423.393305][T10458]  put_chars (drivers/char/virtio_console.c:1176)
[  423.393308][T10458]  ? __send_to_port (drivers/char/virtio_console.c:654)
[  423.393312][T10458]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380)
[  423.393316][T10458]  ? validate_chain (kernel/locking/lockdep.c:3817 (discriminator 2) kernel/locking/lockdep.c:3837 (discriminator 2) kernel/locking/lockdep.c:3892 (discriminator 2))
[  423.393321][T10458]  hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2))
[  423.393325][T10458]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[  423.393327][T10458]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[  423.393333][T10458]  ? hvc_write (drivers/tty/hvc/hvc_console.c:501)
[  423.393337][T10458]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  423.393340][T10458]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  423.393345][T10458]  console_emit_next_record (kernel/printk/printk.c:3183)
[  423.393350][T10458]  ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20)
[  423.393352][T10458]  ? 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))
[  423.393356][T10458]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  423.393358][T10458]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  423.393362][T10458]  console_flush_one_record (kernel/printk/printk.c:3268)
[  423.393367][T10458]  ? console_emit_next_record (kernel/printk/printk.c:3150)
[  423.393370][T10458]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[  423.393376][T10458]  console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420)
[  423.393380][T10458]  ? console_flush_one_record (kernel/printk/printk.c:3316)
[  423.393382][T10458]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  423.393385][T10458]  ? 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)
[  423.393390][T10458]  ? __down_trylock_console_sem (kernel/printk/printk.c:334)
[  423.393392][T10458]  ? vprintk_emit (kernel/printk/printk.c:2478)
[  423.393395][T10458]  vprintk_emit (kernel/printk/printk.c:2479)
[  423.393400][T10458]  ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126))
[  423.393406][T10458]  _printk (kernel/printk/printk.c:2504)
[  423.393410][T10458]  ? snapshot_read.cold (user.c:?)
[  423.393413][T10458]  ? lockdep_rtnl_is_held (./include/linux/lockdep.h:249 net/core/rtnetlink.c:182)
[  423.393416][T10458]  ? netdev_upper_get_next_dev_rcu (net/core/dev.c:8213 (discriminator 5))
[  423.393420][T10458]  ? __netdev_update_features (net/core/dev.c:11078 (discriminator 2))
[  423.393422][T10458]  ? netdev_name (./include/linux/netdevice.h:5709 (discriminator 1))
[  423.393427][T10458]  ? __netdev_printk (net/core/dev.c:13148 (discriminator 2))
[  423.393431][T10458]  netdev_info (net/core/dev.c:13195 (discriminator 3))
[  423.393435][T10458]  ? netdev_notice (net/core/dev.c:13194)
[  423.393437][T10458]  ? ovs_netdev_link (net/openvswitch/vport-netdev.c:85) openvswitch
[  423.393448][T10458]  ? 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)
[  423.393451][T10458]  __dev_set_promiscuity.cold (net/core/dev.c:9672 (discriminator 3))
[  423.393454][T10458]  netif_set_promiscuity (net/core/dev.c:9699)
[  423.393459][T10458]  dev_set_promiscuity (net/core/dev_api.c:288)
[  423.393461][T10458]  ? dev_disable_lro (net/core/dev_api.c:267)
[  423.393464][T10458] ovs_netdev_link (net/openvswitch/vport-netdev.c:106) openvswitch
[  423.393471][T10458] ovs_vport_add (net/openvswitch/vport.c:209) openvswitch
[  423.393477][T10458] new_vport (net/openvswitch/datapath.c:203) openvswitch
[  423.393482][T10458]  ? ovs_lookup_vport (./include/linux/lockdep.h:249 net/openvswitch/datapath.c:120 net/openvswitch/datapath.c:117 net/openvswitch/datapath.c:190) openvswitch
[  423.393487][T10458] ovs_vport_cmd_new (net/openvswitch/datapath.c:2389) openvswitch
[  423.393493][T10458]  ? ovs_vport_cmd_fill_info.isra.0 (./include/net/netlink.h:1107 (discriminator 1)) openvswitch
[  423.393497][T10458]  ? __nla_validate_parse (lib/nlattr.c:635)
[  423.393504][T10458]  ? __nla_parse (lib/nlattr.c:732)
[  423.393507][T10458]  ? genl_family_rcv_msg_attrs_parse.isra.0 (./include/net/netlink.h:789 (discriminator 2) net/netlink/genetlink.c:944 (discriminator 2))
[  423.393513][T10458]  genl_family_rcv_msg_doit (net/netlink/genetlink.c:1114)
[  423.393518][T10458]  ? genl_family_rcv_msg_attrs_parse.isra.0 (./include/net/netlink.h:785 (discriminator 2))
[  423.393529][T10458]  ? security_capable (security/security.c:660 (discriminator 11))
[  423.393534][T10458]  genl_family_rcv_msg (net/netlink/genetlink.c:1194)
[  423.393538][T10458]  ? genl_family_rcv_msg_dumpit (net/netlink/genetlink.c:1079)
[  423.393541][T10458]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380)
[  423.393543][T10458]  ? ovs_vport_cmd_fill_info.isra.0 (./include/net/netlink.h:1107 (discriminator 1)) openvswitch
[  423.393548][T10458]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[  423.393555][T10458]  genl_rcv_msg (net/netlink/genetlink.c:1209)
[  423.393559][T10458]  netlink_rcv_skb (net/netlink/af_netlink.c:2556)
[  423.393562][T10458]  ? genl_family_rcv_msg (net/netlink/genetlink.c:1136 (discriminator 2))
[  423.393566][T10458]  ? netlink_ack (./include/linux/skbuff.h:2718)
[  423.393575][T10458]  ? 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))
[  423.393577][T10458]  ? 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))
[  423.393582][T10458]  genl_rcv (net/netlink/genetlink.c:1218)
[  423.393585][T10458]  netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[  423.393589][T10458]  ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[  423.393593][T10458]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[  423.393597][T10458]  netlink_sendmsg (net/netlink/af_netlink.c:1900)
[  423.393602][T10458]  ? netlink_unicast (./include/net/net_namespace.h:422 (discriminator 7))
[  423.393604][T10458]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[  423.393608][T10458]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554)
[  423.393615][T10458]  __sock_sendmsg (net/socket.c:800 (discriminator 4) net/socket.c:815 (discriminator 4))
[  423.393618][T10458]  ? fdget (fs/file.c:1200 fs/file.c:1208)
[  423.393623][T10458]  __sys_sendto (net/socket.c:2281)
[  423.393627][T10458]  ? __ia32_sys_getpeername (net/socket.c:2235)
[  423.393641][T10458]  ? exc_page_fault (arch/x86/mm/fault.c:1483 arch/x86/mm/fault.c:1536)
[  423.393649][T10458]  __x64_sys_sendto (net/socket.c:2288 net/socket.c:2284 net/socket.c:2284)
[  423.393651][T10458]  ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22))
[  423.393656][T10458]  ? lockdep_hardirqs_on (kernel/locking/lockdep.c:4488)
[  423.393658][T10458]  ? do_syscall_64 (arch/x86/entry/syscall_64.c:81 (discriminator 44))
[  423.393662][T10458]  do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84)
[  423.393666][T10458]  ? exc_page_fault (arch/x86/mm/fault.c:1489 (discriminator 3) arch/x86/mm/fault.c:1536 (discriminator 3))
[  423.393669][T10458]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[  423.393672][T10458] RIP: 0033:0x7f6989e89312
[  423.393676][T10458] Code: 08 0f 85 71 41 ff ff 49 89 fb 48 89 f0 48 89 d7 48 89 ce 4c 89 c2 4d 89 ca 4c 8b 44 24 08 4c 8b 4c 24 10 4c 89 5c 24 08 0f 05 <c3> 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 00 f3 0f 1e fa 55 bf 01 00
All code
========
   0:	08 0f                	or     %cl,(%rdi)
   2:	85 71 41             	test   %esi,0x41(%rcx)
   5:	ff                   	(bad)
   6:	ff 49 89             	decl   -0x77(%rcx)
   9:	fb                   	sti
   a:	48 89 f0             	mov    %rsi,%rax
   d:	48 89 d7             	mov    %rdx,%rdi
  10:	48 89 ce             	mov    %rcx,%rsi
  13:	4c 89 c2             	mov    %r8,%rdx
  16:	4d 89 ca             	mov    %r9,%r10
  19:	4c 8b 44 24 08       	mov    0x8(%rsp),%r8
  1e:	4c 8b 4c 24 10       	mov    0x10(%rsp),%r9
  23:	4c 89 5c 24 08       	mov    %r11,0x8(%rsp)
  28:	0f 05                	syscall
  2a:*	c3                   	ret		<-- trapping instruction
  2b:	66 2e 0f 1f 84 00 00 	cs nopw 0x0(%rax,%rax,1)
  32:	00 00 00 
  35:	0f 1f 00             	nopl   (%rax)
  38:	f3 0f 1e fa          	endbr64
  3c:	55                   	push   %rbp
  3d:	bf                   	.byte 0xbf
  3e:	01 00                	add    %eax,(%rax)

Code starting with the faulting instruction
===========================================
   0:	c3                   	ret
   1:	66 2e 0f 1f 84 00 00 	cs nopw 0x0(%rax,%rax,1)
   8:	00 00 00 
   b:	0f 1f 00             	nopl   (%rax)
   e:	f3 0f 1e fa          	endbr64
  12:	55                   	push   %rbp
  13:	bf                   	.byte 0xbf
  14:	01 00                	add    %eax,(%rax)
[  423.393678][T10458] RSP: 002b:00007ffcb7971bd8 EFLAGS: 00000246 ORIG_RAX: 000000000000002c
[  423.393681][T10458] RAX: ffffffffffffffda RBX: 00007ffcb7971d08 RCX: 00007f6989e89312
[  423.393683][T10458] RDX: 0000000000000038 RSI: 00007f6985af7130 RDI: 0000000000000023
[  423.393684][T10458] RBP: 00007ffcb7971c00 R08: 00007ffcb7971d80 R09: 000000000000000c
[  423.393685][T10458] R10: 0000000000000000 R11: 0000000000000246 R12: 00007f6987ce6190
[  423.393686][T10458] R13: 00007ffcb7971d08 R14: 00007f69897a801a R15: 00007ffcb79720f8
| [  424.590593][T10485] softirqs last disabled at (387708): inet6_fill_ifla6_attrs (net/ipv6/addrconf.c:5883)
| [  424.590595][T10485] Preemption disabled at:
| [  424.590595][T10485] vprintk_emit (kernel/printk/printk.c:2471)
| [  424.590605][T10485] Tainted: [W]=WARN
[  424.590606][T10485] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[  424.590607][T10485] Call Trace:
[  424.590609][T10485]  <TASK>
[  424.590611][T10485]  dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120)
[  424.590618][T10485]  ? vprintk_emit (kernel/printk/printk.c:2471)
[  424.590619][T10485]  __might_resched.cold (kernel/sched/core.c:9234)
[  424.590624][T10485]  ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3))
[  424.590629][T10485]  ? __kmalloc_noprof (./include/linux/sched/mm.h:317 mm/slub.c:4636 mm/slub.c:4974 mm/slub.c:5413 mm/slub.c:5439)
[  424.590634][T10485]  __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))
[  424.590636][T10485]  ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[  424.590644][T10485]  ? 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)
[  424.590647][T10485]  alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[  424.590652][T10485]  put_chars (drivers/char/virtio_console.c:1176)
[  424.590655][T10485]  ? __send_to_port (drivers/char/virtio_console.c:654)
[  424.590661][T10485]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380)
[  424.590665][T10485]  ? validate_chain (kernel/locking/lockdep.c:3817 (discriminator 2) kernel/locking/lockdep.c:3837 (discriminator 2) kernel/locking/lockdep.c:3892 (discriminator 2))
[  424.590670][T10485]  hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2))
[  424.590675][T10485]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[  424.590677][T10485]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[  424.590683][T10485]  ? hvc_write (drivers/tty/hvc/hvc_console.c:501)
[  424.590688][T10485]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  424.590691][T10485]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  424.590696][T10485]  console_emit_next_record (kernel/printk/printk.c:3183)
[  424.590702][T10485]  ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20)
[  424.590704][T10485]  ? 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))
[  424.590708][T10485]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  424.590710][T10485]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  424.590715][T10485]  console_flush_one_record (kernel/printk/printk.c:3268)
[  424.590720][T10485]  ? console_emit_next_record (kernel/printk/printk.c:3150)
[  424.590722][T10485]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[  424.590728][T10485]  console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420)
[  424.590732][T10485]  ? console_flush_one_record (kernel/printk/printk.c:3316)
[  424.590734][T10485]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  424.590737][T10485]  ? 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)
[  424.590741][T10485]  ? __down_trylock_console_sem (kernel/printk/printk.c:334)
[  424.590744][T10485]  ? vprintk_emit (kernel/printk/printk.c:2478)
[  424.590747][T10485]  vprintk_emit (kernel/printk/printk.c:2479)
[  424.590751][T10485]  ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126))
[  424.590758][T10485]  _printk (kernel/printk/printk.c:2504)
[  424.590762][T10485]  ? snapshot_read.cold (user.c:?)
[  424.590765][T10485]  ? lockdep_rtnl_is_held (./include/linux/lockdep.h:249 net/core/rtnetlink.c:182)
[  424.590769][T10485]  ? netdev_upper_get_next_dev_rcu (net/core/dev.c:8213 (discriminator 5))
[  424.590772][T10485]  ? 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)
[  424.590774][T10485]  ? __netdev_update_features (net/core/dev.c:11078 (discriminator 2))
[  424.590776][T10485]  ? netdev_name (./include/linux/netdevice.h:5709 (discriminator 1))
[  424.590780][T10485]  ? __netdev_printk (net/core/dev.c:13148 (discriminator 2))
[  424.590785][T10485]  netdev_info (net/core/dev.c:13195 (discriminator 3))
[  424.590788][T10485]  ? netdev_notice (net/core/dev.c:13194)
[  424.590790][T10485]  ? ovs_netdev_link (net/openvswitch/vport-netdev.c:85) openvswitch
[  424.590800][T10485]  ? 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)
[  424.590803][T10485]  __dev_set_promiscuity.cold (net/core/dev.c:9672 (discriminator 3))
[  424.590807][T10485]  netif_set_promiscuity (net/core/dev.c:9699)
[  424.590811][T10485]  dev_set_promiscuity (net/core/dev_api.c:288)
[  424.590813][T10485]  ? dev_disable_lro (net/core/dev_api.c:267)
[  424.590815][T10485] ovs_netdev_link (net/openvswitch/vport-netdev.c:106) openvswitch
[  424.590822][T10485] ovs_vport_add (net/openvswitch/vport.c:209) openvswitch
[  424.590827][T10485] new_vport (net/openvswitch/datapath.c:203) openvswitch
[  424.590832][T10485]  ? ovs_lookup_vport (./include/linux/lockdep.h:249 net/openvswitch/datapath.c:120 net/openvswitch/datapath.c:117 net/openvswitch/datapath.c:190) openvswitch
[  424.590837][T10485] ovs_vport_cmd_new (net/openvswitch/datapath.c:2389) openvswitch
[  424.590843][T10485]  ? ovs_vport_cmd_fill_info.isra.0 (./include/net/netlink.h:1107 (discriminator 1)) openvswitch
[  424.590847][T10485]  ? __nla_validate_parse (lib/nlattr.c:635)
[  424.590854][T10485]  ? __nla_parse (lib/nlattr.c:732)
[  424.590857][T10485]  ? genl_family_rcv_msg_attrs_parse.isra.0 (./include/net/netlink.h:789 (discriminator 2) net/netlink/genetlink.c:944 (discriminator 2))
[  424.590863][T10485]  genl_family_rcv_msg_doit (net/netlink/genetlink.c:1114)
[  424.590867][T10485]  ? genl_family_rcv_msg_attrs_parse.isra.0 (./include/net/netlink.h:785 (discriminator 2))
[  424.590883][T10485]  ? security_capable (security/security.c:660 (discriminator 11))
[  424.590890][T10485]  genl_family_rcv_msg (net/netlink/genetlink.c:1194)
[  424.590896][T10485]  ? genl_family_rcv_msg_dumpit (net/netlink/genetlink.c:1079)
[  424.590904][T10485]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380)
[  424.590907][T10485]  ? ovs_vport_cmd_fill_info.isra.0 (./include/net/netlink.h:1107 (discriminator 1)) openvswitch
[  424.590916][T10485]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[  424.590924][T10485]  genl_rcv_msg (net/netlink/genetlink.c:1209)
[  424.590928][T10485]  netlink_rcv_skb (net/netlink/af_netlink.c:2556)
[  424.590930][T10485]  ? genl_family_rcv_msg (net/netlink/genetlink.c:1136 (discriminator 2))
[  424.590935][T10485]  ? netlink_ack (./include/linux/skbuff.h:2718)
[  424.590943][T10485]  ? 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))
[  424.590946][T10485]  ? 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))
[  424.590950][T10485]  genl_rcv (net/netlink/genetlink.c:1218)
[  424.590953][T10485]  netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[  424.590958][T10485]  ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[  424.590962][T10485]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[  424.590974][T10485]  netlink_sendmsg (net/netlink/af_netlink.c:1900)
[  424.590981][T10485]  ? netlink_unicast (./include/net/net_namespace.h:422 (discriminator 7))
[  424.590984][T10485]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[  424.590989][T10485]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554)
[  424.590997][T10485]  __sock_sendmsg (net/socket.c:800 (discriminator 4) net/socket.c:815 (discriminator 4))
[  424.591000][T10485]  ? fdget (fs/file.c:1200 fs/file.c:1208)
[  424.591004][T10485]  __sys_sendto (net/socket.c:2281)
[  424.591007][T10485]  ? __ia32_sys_getpeername (net/socket.c:2235)
[  424.591013][T10485]  ? do_futex (kernel/futex/syscalls.c:138)
[  424.591017][T10485]  ? __ia32_sys_get_robust_list (kernel/futex/syscalls.c:94)
[  424.591025][T10485]  ? do_futex (kernel/futex/syscalls.c:153 (discriminator 1))
[  424.591027][T10485]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554)
[  424.591031][T10485]  __x64_sys_sendto (net/socket.c:2288 net/socket.c:2284 net/socket.c:2284)
[  424.591033][T10485]  ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22))
[  424.591037][T10485]  ? lockdep_hardirqs_on (kernel/locking/lockdep.c:4488)
[  424.591040][T10485]  ? do_syscall_64 (arch/x86/entry/syscall_64.c:81 (discriminator 44))
[  424.591043][T10485]  do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84)
[  424.591045][T10485]  ? irq_exit_rcu (kernel/softirq.c:786)
[  424.591050][T10485]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[  424.591052][T10485] RIP: 0033:0x7f9567b7d312
[  424.591056][T10485] Code: 08 0f 85 71 41 ff ff 49 89 fb 48 89 f0 48 89 d7 48 89 ce 4c 89 c2 4d 89 ca 4c 8b 44 24 08 4c 8b 4c 24 10 4c 89 5c 24 08 0f 05 <c3> 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 00 f3 0f 1e fa 55 bf 01 00
All code
========
   0:	08 0f                	or     %cl,(%rdi)
   2:	85 71 41             	test   %esi,0x41(%rcx)
   5:	ff                   	(bad)
   6:	ff 49 89             	decl   -0x77(%rcx)
   9:	fb                   	sti
   a:	48 89 f0             	mov    %rsi,%rax
   d:	48 89 d7             	mov    %rdx,%rdi
  10:	48 89 ce             	mov    %rcx,%rsi
  13:	4c 89 c2             	mov    %r8,%rdx
  16:	4d 89 ca             	mov    %r9,%r10
  19:	4c 8b 44 24 08       	mov    0x8(%rsp),%r8
  1e:	4c 8b 4c 24 10       	mov    0x10(%rsp),%r9
  23:	4c 89 5c 24 08       	mov    %r11,0x8(%rsp)
  28:	0f 05                	syscall
  2a:*	c3                   	ret		<-- trapping instruction
  2b:	66 2e 0f 1f 84 00 00 	cs nopw 0x0(%rax,%rax,1)
  32:	00 00 00 
  35:	0f 1f 00             	nopl   (%rax)
  38:	f3 0f 1e fa          	endbr64
  3c:	55                   	push   %rbp
  3d:	bf                   	.byte 0xbf
  3e:	01 00                	add    %eax,(%rax)

Code starting with the faulting instruction
===========================================
   0:	c3                   	ret
   1:	66 2e 0f 1f 84 00 00 	cs nopw 0x0(%rax,%rax,1)
   8:	00 00 00 
   b:	0f 1f 00             	nopl   (%rax)
   e:	f3 0f 1e fa          	endbr64
  12:	55                   	push   %rbp
  13:	bf                   	.byte 0xbf
  14:	01 00                	add    %eax,(%rax)
[  424.591058][T10485] RSP: 002b:00007ffdf3128148 EFLAGS: 00000246 ORIG_RAX: 000000000000002c
[  424.591061][T10485] RAX: ffffffffffffffda RBX: 00007ffdf3128278 RCX: 00007f9567b7d312
[  424.591063][T10485] RDX: 0000000000000038 RSI: 00007f95646427b0 RDI: 0000000000000023
[  424.591064][T10485] RBP: 00007ffdf3128170 R08: 00007ffdf31282f0 R09: 000000000000000c
[  424.591065][T10485] R10: 0000000000000000 R11: 0000000000000246 R12: 00007f95659da190
[  424.591066][T10485] R13: 00007ffdf3128278 R14: 00007f956749c01a R15: 00007ffdf3128668
| [  434.461961][   T12] softirqs last disabled at (9520571): __irq_exit_rcu (kernel/softirq.c:679 kernel/softirq.c:519 kernel/softirq.c:767)
| [  434.461964][   T12] Preemption disabled at:
| [  434.461964][   T12] vprintk_emit (kernel/printk/printk.c:2471)
| [  434.461973][   T12] Tainted: [W]=WARN
[  434.461974][   T12] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[  434.461977][   T12] Workqueue: netns cleanup_net
[  434.461981][   T12] Call Trace:
[  434.461982][   T12]  <TASK>
[  434.461984][   T12]  dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120)
[  434.461990][   T12]  ? vprintk_emit (kernel/printk/printk.c:2471)
[  434.461992][   T12]  __might_resched.cold (kernel/sched/core.c:9234)
[  434.461997][   T12]  ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3))
[  434.462001][   T12]  ? __kmalloc_noprof (./include/linux/sched/mm.h:317 mm/slub.c:4636 mm/slub.c:4974 mm/slub.c:5413 mm/slub.c:5439)
[  434.462005][   T12]  __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))
[  434.462007][   T12]  ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[  434.462014][   T12]  ? 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)
[  434.462017][   T12]  alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[  434.462021][   T12]  put_chars (drivers/char/virtio_console.c:1176)
[  434.462023][   T12]  ? prb_final_commit (kernel/printk/printk_ringbuffer.c:1842)
[  434.462026][   T12]  ? __send_to_port (drivers/char/virtio_console.c:654)
[  434.462035][   T12]  ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4116 (discriminator 3) kernel/rcu/tree.c:4108 (discriminator 3))
[  434.462038][   T12]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380)
[  434.462041][   T12]  ? validate_chain (kernel/locking/lockdep.c:3817 (discriminator 2) kernel/locking/lockdep.c:3837 (discriminator 2) kernel/locking/lockdep.c:3892 (discriminator 2))
[  434.462046][   T12]  hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2))
[  434.462050][   T12]  ? mark_usage (kernel/locking/lockdep.c:4690)
[  434.462052][   T12]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[  434.462054][   T12]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[  434.462058][   T12]  ? hvc_write (drivers/tty/hvc/hvc_console.c:501)
[  434.462061][   T12]  ? console_emit_next_record (kernel/printk/printk.c:3095 (discriminator 2) kernel/printk/printk.c:3182 (discriminator 2))
[  434.462065][   T12]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  434.462067][   T12]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  434.462071][   T12]  console_emit_next_record (kernel/printk/printk.c:3183)
[  434.462076][   T12]  ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20)
[  434.462078][   T12]  ? 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))
[  434.462081][   T12]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  434.462083][   T12]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  434.462088][   T12]  console_flush_one_record (kernel/printk/printk.c:3268)
[  434.462092][   T12]  ? console_emit_next_record (kernel/printk/printk.c:3150)
[  434.462094][   T12]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[  434.462100][   T12]  console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420)
[  434.462103][   T12]  ? console_flush_one_record (kernel/printk/printk.c:3316)
[  434.462105][   T12]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  434.462107][   T12]  ? 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)
[  434.462111][   T12]  ? __down_trylock_console_sem (kernel/printk/printk.c:334)
[  434.462113][   T12]  ? vprintk_emit (kernel/printk/printk.c:2478)
[  434.462116][   T12]  vprintk_emit (kernel/printk/printk.c:2479)
[  434.462120][   T12]  ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126))
[  434.462123][   T12]  ? net_disable_timestamp (./include/linux/workqueue.h:761)
[  434.462125][   T12]  ? net_generic (./include/linux/rcupdate.h:882 ./include/net/netns/generic.h:48) vxlan
[  434.462134][   T12]  _printk (kernel/printk/printk.c:2504)
[  434.462137][   T12]  ? snapshot_read.cold (user.c:?)
[  434.462142][   T12]  ? netdev_name (./include/linux/netdevice.h:5709 (discriminator 1))
[  434.462146][   T12]  ? __netdev_printk (net/core/dev.c:13148 (discriminator 2))
[  434.462150][   T12]  netdev_info (net/core/dev.c:13195 (discriminator 3))
[  434.462153][   T12]  ? netdev_notice (net/core/dev.c:13194)
[  434.462155][   T12]  ? __netdev_upper_dev_unlink (net/core/dev.c:9094)
[  434.462159][   T12]  ? synchronize_rcu_expedited (kernel/rcu/tree_exp.h:985)
[  434.462165][   T12]  ? 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)
[  434.462168][   T12]  __dev_set_promiscuity.cold (net/core/dev.c:9672 (discriminator 3))
[  434.462171][   T12]  netif_set_promiscuity (net/core/dev.c:9699)
[  434.462175][   T12]  dev_set_promiscuity (net/core/dev_api.c:288)
[  434.462177][   T12]  ? rtnl_is_locked (net/core/rtnetlink.c:169)
[  434.462181][   T12] ovs_netdev_detach_dev (net/openvswitch/vport-netdev.c:174) openvswitch
[  434.462188][   T12] dp_device_event (net/openvswitch/dp_notify.c:74) openvswitch
[  434.462193][   T12]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  434.462196][   T12]  notifier_call_chain (kernel/notifier.c:85)
[  434.462202][   T12]  unregister_netdevice_many_notify (net/core/dev.c:2313 net/core/dev.c:2327 net/core/dev.c:12518)
[  434.462207][   T12]  ? unregister_netdevice_queued (./include/linux/list.h:419 (discriminator 3))
[  434.462215][   T12]  default_device_exit_batch (net/core/dev.c:12589 net/core/dev.c:13288)
[  434.462219][   T12]  ? unregister_netdevice_queue (./include/linux/list.h:173)
[  434.462222][   T12]  ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3))
[  434.462224][   T12]  ? fou_exit_net (net/ipv4/fou_core.c:1228)
[  434.462229][   T12]  ops_undo_list (net/core/net_namespace.c:206 net/core/net_namespace.c:253)
[  434.462233][   T12]  ? lockdep_hardirqs_on (kernel/locking/lockdep.c:4488)
[  434.462237][   T12]  ? netns_install (./include/linux/ns_common.h:26)
[  434.462238][   T12]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554)
[  434.462242][   T12]  ? idr_destroy (lib/radix-tree.c:310 lib/radix-tree.c:674 lib/radix-tree.c:1563)
[  434.462247][   T12]  cleanup_net (net/core/net_namespace.c:706)
[  434.462250][   T12]  ? net_passive_dec (./include/linux/llist.h:241)
[  434.462254][   T12]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  434.462256][   T12]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  434.462260][   T12]  process_one_work (kernel/workqueue.c:3387)
[  434.462267][   T12]  ? __queue_delayed_work (kernel/workqueue.c:2622)
[  434.462270][   T12]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2))
[  434.462278][   T12]  worker_thread (kernel/workqueue.c:3470 kernel/workqueue.c:3551)
[  434.462286][   T12]  ? rescuer_thread (./include/linux/list.h:419 (discriminator 3))
[  434.462288][   T12]  kthread (kernel/kthread.c:436)
[  434.462290][   T12]  ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22))
[  434.462294][   T12]  ? kthread_affine_preferred (kernel/kthread.c:857)
[  434.462297][   T12]  ret_from_fork (arch/x86/kernel/process.c:158)
[  434.462301][   T12]  ? arch_exit_to_user_mode_prepare.isra.0 (arch/x86/entry/vdso/vma.c:80 (discriminator 1))
[  434.462305][   T12]  ? __switch_to (arch/x86/kernel/process_64.c:403 arch/x86/kernel/process_64.c:663)
[  434.462308][   T12]  ? kthread_affine_preferred (kernel/kthread.c:857)
[  434.462312][   T12]  ret_from_fork_asm (arch/x86/entry/entry_64.S:245)
| [  436.515535][T10699] softirqs last disabled at (380526): inet6_fill_ifla6_attrs (net/ipv6/addrconf.c:5883)
| [  436.515537][T10699] Preemption disabled at:
| [  436.515538][T10699] vprintk_emit (kernel/printk/printk.c:2471)
| [  436.515547][T10699] Tainted: [W]=WARN
[  436.515548][T10699] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[  436.515550][T10699] Call Trace:
[  436.515551][T10699]  <TASK>
[  436.515553][T10699]  dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120)
[  436.515559][T10699]  ? vprintk_emit (kernel/printk/printk.c:2471)
[  436.515561][T10699]  __might_resched.cold (kernel/sched/core.c:9234)
[  436.515565][T10699]  ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3))
[  436.515570][T10699]  ? __kmalloc_noprof (./include/linux/sched/mm.h:317 mm/slub.c:4636 mm/slub.c:4974 mm/slub.c:5413 mm/slub.c:5439)
[  436.515574][T10699]  __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))
[  436.515576][T10699]  ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[  436.515584][T10699]  ? 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)
[  436.515586][T10699]  alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[  436.515590][T10699]  put_chars (drivers/char/virtio_console.c:1176)
[  436.515593][T10699]  ? __send_to_port (drivers/char/virtio_console.c:654)
[  436.515595][T10699]  ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4116 (discriminator 3) kernel/rcu/tree.c:4108 (discriminator 3))
[  436.515598][T10699]  ? validate_chain (kernel/locking/lockdep.c:3817 (discriminator 2) kernel/locking/lockdep.c:3837 (discriminator 2) kernel/locking/lockdep.c:3892 (discriminator 2))
[  436.515604][T10699]  hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2))
[  436.515617][T10699]  ? hvc_write (drivers/tty/hvc/hvc_console.c:501)
[  436.515621][T10699]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  436.515624][T10699]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  436.515629][T10699]  console_emit_next_record (kernel/printk/printk.c:3183)
[  436.515633][T10699]  ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20)
[  436.515635][T10699]  ? 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))
[  436.515639][T10699]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  436.515641][T10699]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  436.515645][T10699]  console_flush_one_record (kernel/printk/printk.c:3268)
[  436.515650][T10699]  ? console_emit_next_record (kernel/printk/printk.c:3150)
[  436.515652][T10699]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[  436.515660][T10699]  console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420)
[  436.515663][T10699]  ? console_flush_one_record (kernel/printk/printk.c:3316)
[  436.515666][T10699]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  436.515668][T10699]  ? 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)
[  436.515672][T10699]  ? __down_trylock_console_sem (kernel/printk/printk.c:334)
[  436.515674][T10699]  ? vprintk_emit (kernel/printk/printk.c:2478)
[  436.515677][T10699]  vprintk_emit (kernel/printk/printk.c:2479)
[  436.515681][T10699]  ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126))
[  436.515685][T10699]  ? net_disable_timestamp (./include/linux/workqueue.h:761)
[  436.515688][T10699]  ? net_generic (./include/linux/rcupdate.h:882 ./include/net/netns/generic.h:48) vxlan
[  436.515697][T10699]  _printk (kernel/printk/printk.c:2504)
[  436.515701][T10699]  ? snapshot_read.cold (user.c:?)
[  436.515706][T10699]  ? netdev_name (./include/linux/netdevice.h:5709 (discriminator 1))
[  436.515710][T10699]  ? __netdev_printk (net/core/dev.c:13148 (discriminator 2))
[  436.515714][T10699]  netdev_info (net/core/dev.c:13195 (discriminator 3))
[  436.515717][T10699]  ? netdev_notice (net/core/dev.c:13194)
[  436.515719][T10699]  ? __netdev_upper_dev_unlink (net/core/dev.c:9094)
[  436.515723][T10699]  ? synchronize_rcu_expedited (kernel/rcu/tree_exp.h:985)
[  436.515729][T10699]  ? 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)
[  436.515732][T10699]  __dev_set_promiscuity.cold (net/core/dev.c:9672 (discriminator 3))
[  436.515735][T10699]  netif_set_promiscuity (net/core/dev.c:9699)
[  436.515739][T10699]  dev_set_promiscuity (net/core/dev_api.c:288)
[  436.515742][T10699]  ? rtnl_is_locked (net/core/rtnetlink.c:169)
[  436.515745][T10699] ovs_netdev_detach_dev (net/openvswitch/vport-netdev.c:174) openvswitch
[  436.515750][T10699]  ? netdev_destroy (net/openvswitch/vport-netdev.c:189) openvswitch
[  436.515754][T10699] netdev_destroy (net/openvswitch/vport-netdev.c:194) openvswitch
[  436.515760][T10699] ovs_vport_cmd_del (net/openvswitch/datapath.c:2505) openvswitch
[  436.515768][T10699]  genl_family_rcv_msg_doit (net/netlink/genetlink.c:1114)
[  436.515772][T10699]  ? genl_family_rcv_msg_attrs_parse.isra.0 (./include/net/netlink.h:785 (discriminator 2))
[  436.515781][T10699]  ? security_capable (security/security.c:660 (discriminator 11))
[  436.515785][T10699]  genl_family_rcv_msg (net/netlink/genetlink.c:1194)
[  436.515789][T10699]  ? genl_family_rcv_msg_dumpit (net/netlink/genetlink.c:1079)
[  436.515792][T10699]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380)
[  436.515795][T10699]  ? ovs_dp_detach_port (./include/linux/list.h:1047 (discriminator 2)) openvswitch
[  436.515800][T10699]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[  436.515807][T10699]  genl_rcv_msg (net/netlink/genetlink.c:1209)
[  436.515810][T10699]  netlink_rcv_skb (net/netlink/af_netlink.c:2556)
[  436.515813][T10699]  ? genl_family_rcv_msg (net/netlink/genetlink.c:1136 (discriminator 2))
[  436.515816][T10699]  ? netlink_ack (./include/linux/skbuff.h:2718)
[  436.515828][T10699]  ? 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))
[  436.515831][T10699]  ? 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))
[  436.515835][T10699]  genl_rcv (net/netlink/genetlink.c:1218)
[  436.515838][T10699]  netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[  436.515842][T10699]  ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[  436.515846][T10699]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[  436.515850][T10699]  netlink_sendmsg (net/netlink/af_netlink.c:1900)
[  436.515855][T10699]  ? netlink_unicast (./include/net/net_namespace.h:422 (discriminator 7))
[  436.515857][T10699]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[  436.515860][T10699]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554)
[  436.515866][T10699]  __sock_sendmsg (net/socket.c:800 (discriminator 4) net/socket.c:815 (discriminator 4))
[  436.515868][T10699]  ? fdget (fs/file.c:1200 fs/file.c:1208)
[  436.515873][T10699]  __sys_sendto (net/socket.c:2281)
[  436.515876][T10699]  ? __ia32_sys_getpeername (net/socket.c:2235)
[  436.515888][T10699]  ? exc_page_fault (arch/x86/mm/fault.c:1483 arch/x86/mm/fault.c:1536)
[  436.515895][T10699]  __x64_sys_sendto (net/socket.c:2288 net/socket.c:2284 net/socket.c:2284)
[  436.515901][T10699]  ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22))
[  436.515906][T10699]  ? lockdep_hardirqs_on (kernel/locking/lockdep.c:4488)
[  436.515908][T10699]  ? do_syscall_64 (arch/x86/entry/syscall_64.c:81 (discriminator 44))
[  436.515911][T10699]  do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84)
[  436.515914][T10699]  ? exc_page_fault (arch/x86/mm/fault.c:1489 (discriminator 3) arch/x86/mm/fault.c:1536 (discriminator 3))
[  436.515918][T10699]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[  436.515921][T10699] RIP: 0033:0x7f946520c312
[  436.515925][T10699] Code: 08 0f 85 71 41 ff ff 49 89 fb 48 89 f0 48 89 d7 48 89 ce 4c 89 c2 4d 89 ca 4c 8b 44 24 08 4c 8b 4c 24 10 4c 89 5c 24 08 0f 05 <c3> 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 00 f3 0f 1e fa 55 bf 01 00
All code
========
   0:	08 0f                	or     %cl,(%rdi)
   2:	85 71 41             	test   %esi,0x41(%rcx)
   5:	ff                   	(bad)
   6:	ff 49 89             	decl   -0x77(%rcx)
   9:	fb                   	sti
   a:	48 89 f0             	mov    %rsi,%rax
   d:	48 89 d7             	mov    %rdx,%rdi
  10:	48 89 ce             	mov    %rcx,%rsi
  13:	4c 89 c2             	mov    %r8,%rdx
  16:	4d 89 ca             	mov    %r9,%r10
  19:	4c 8b 44 24 08       	mov    0x8(%rsp),%r8
  1e:	4c 8b 4c 24 10       	mov    0x10(%rsp),%r9
  23:	4c 89 5c 24 08       	mov    %r11,0x8(%rsp)
  28:	0f 05                	syscall
  2a:*	c3                   	ret		<-- trapping instruction
  2b:	66 2e 0f 1f 84 00 00 	cs nopw 0x0(%rax,%rax,1)
  32:	00 00 00 
  35:	0f 1f 00             	nopl   (%rax)
  38:	f3 0f 1e fa          	endbr64
  3c:	55                   	push   %rbp
  3d:	bf                   	.byte 0xbf
  3e:	01 00                	add    %eax,(%rax)

Code starting with the faulting instruction
===========================================
   0:	c3                   	ret
   1:	66 2e 0f 1f 84 00 00 	cs nopw 0x0(%rax,%rax,1)
   8:	00 00 00 
   b:	0f 1f 00             	nopl   (%rax)
   e:	f3 0f 1e fa          	endbr64
  12:	55                   	push   %rbp
  13:	bf                   	.byte 0xbf
  14:	01 00                	add    %eax,(%rax)
[  436.515928][T10699] RSP: 002b:00007ffe3843ac58 EFLAGS: 00000246 ORIG_RAX: 000000000000002c
[  436.515931][T10699] RAX: ffffffffffffffda RBX: 00007ffe3843ad88 RCX: 00007f946520c312
[  436.515932][T10699] RDX: 0000000000000028 RSI: 00007f946047cab0 RDI: 0000000000000023
[  436.515934][T10699] RBP: 00007ffe3843ac80 R08: 00007ffe3843ae00 R09: 000000000000000c
[  436.515935][T10699] R10: 0000000000000000 R11: 0000000000000246 R12: 00007f9463075fd0
[  436.515936][T10699] R13: 00007ffe3843ad88 R14: 00007f9464b2b01a R15: 00007ffe3843b178
| [  441.215297][T10819] softirqs last disabled at (379478): __alloc_skb (./include/linux/bottom_half.h:20 (discriminator 2) net/core/skbuff.c:697 (discriminator 2))
| [  441.215300][T10819] Preemption disabled at:
| [  441.215300][T10819] vprintk_emit (kernel/printk/printk.c:2471)
| [  441.215310][T10819] Tainted: [W]=WARN
[  441.215312][T10819] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[  441.215314][T10819] Call Trace:
[  441.215316][T10819]  <TASK>
[  441.215319][T10819]  dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120)
[  441.215325][T10819]  ? vprintk_emit (kernel/printk/printk.c:2471)
[  441.215327][T10819]  __might_resched.cold (kernel/sched/core.c:9234)
[  441.215332][T10819]  ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3))
[  441.215336][T10819]  ? __kmalloc_noprof (./include/linux/sched/mm.h:317 mm/slub.c:4636 mm/slub.c:4974 mm/slub.c:5413 mm/slub.c:5439)
[  441.215340][T10819]  __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))
[  441.215343][T10819]  ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[  441.215349][T10819]  ? 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)
[  441.215352][T10819]  alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[  441.215357][T10819]  put_chars (drivers/char/virtio_console.c:1176)
[  441.215361][T10819]  ? __send_to_port (drivers/char/virtio_console.c:654)
[  441.215365][T10819]  ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4116 (discriminator 3) kernel/rcu/tree.c:4108 (discriminator 3))
[  441.215369][T10819]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380)
[  441.215372][T10819]  ? validate_chain (kernel/locking/lockdep.c:3817 (discriminator 2) kernel/locking/lockdep.c:3837 (discriminator 2) kernel/locking/lockdep.c:3892 (discriminator 2))
[  441.215376][T10819]  hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2))
[  441.215380][T10819]  ? mark_usage (kernel/locking/lockdep.c:4690)
[  441.215382][T10819]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[  441.215384][T10819]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[  441.215389][T10819]  ? hvc_write (drivers/tty/hvc/hvc_console.c:501)
[  441.215390][T10819]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2))
[  441.215395][T10819]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  441.215401][T10819]  console_emit_next_record (kernel/printk/printk.c:3183)
[  441.215407][T10819]  ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20)
[  441.215409][T10819]  ? 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))
[  441.215412][T10819]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  441.215414][T10819]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  441.215419][T10819]  console_flush_one_record (kernel/printk/printk.c:3268)
[  441.215423][T10819]  ? console_emit_next_record (kernel/printk/printk.c:3150)
[  441.215425][T10819]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[  441.215431][T10819]  console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420)
[  441.215434][T10819]  ? console_flush_one_record (kernel/printk/printk.c:3316)
[  441.215436][T10819]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  441.215438][T10819]  ? 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)
[  441.215442][T10819]  ? __down_trylock_console_sem (kernel/printk/printk.c:334)
[  441.215443][T10819]  ? vprintk_emit (kernel/printk/printk.c:2478)
[  441.215446][T10819]  vprintk_emit (kernel/printk/printk.c:2479)
[  441.215450][T10819]  ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126))
[  441.215452][T10819]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554)
[  441.215454][T10819]  ? genl_family_rcv_msg (net/netlink/genetlink.c:1194)
[  441.215459][T10819]  _printk (kernel/printk/printk.c:2504)
[  441.215462][T10819]  ? snapshot_read.cold (user.c:?)
[  441.215464][T10819]  ? ___ratelimit (lib/ratelimit.c:97 (discriminator 3))
[  441.215470][T10819]  ? idr_get_free (??:?)
[  441.215475][T10819]  validate_nla.cold (lib/nlattr.c:414 (discriminator 4))
[  441.215487][T10819]  ? nla_get_range_signed (lib/nlattr.c:270)
[  441.215493][T10819]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  441.215495][T10819]  ? trace_kmalloc (./include/trace/events/kmem.h:57 (discriminator 22))
[  441.215499][T10819]  __nla_validate_parse (lib/nlattr.c:635)
[  441.215504][T10819]  __nla_parse (lib/nlattr.c:732)
[  441.215507][T10819]  genl_family_rcv_msg_attrs_parse.isra.0 (./include/net/netlink.h:789 (discriminator 2) net/netlink/genetlink.c:944 (discriminator 2))
[  441.215512][T10819]  genl_family_rcv_msg_doit (net/netlink/genetlink.c:1092)
[  441.215516][T10819]  ? genl_family_rcv_msg_attrs_parse.isra.0 (./include/net/netlink.h:785 (discriminator 2))
[  441.215524][T10819]  ? security_capable (security/security.c:660 (discriminator 11))
[  441.215529][T10819]  genl_family_rcv_msg (net/netlink/genetlink.c:1194)
[  441.215532][T10819]  ? genl_family_rcv_msg_dumpit (net/netlink/genetlink.c:1079)
[  441.215537][T10819]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380)
[  441.215541][T10819]  ? ovs_dp_cmd_get (./include/net/net_namespace.h:422 (discriminator 7)) openvswitch
[  441.215550][T10819]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[  441.215555][T10819]  genl_rcv_msg (net/netlink/genetlink.c:1209)
[  441.215559][T10819]  netlink_rcv_skb (net/netlink/af_netlink.c:2556)
[  441.215561][T10819]  ? genl_family_rcv_msg (net/netlink/genetlink.c:1136 (discriminator 2))
[  441.215565][T10819]  ? netlink_ack (./include/linux/skbuff.h:2718)
[  441.215572][T10819]  ? 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))
[  441.215574][T10819]  ? 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))
[  441.215578][T10819]  genl_rcv (net/netlink/genetlink.c:1218)
[  441.215581][T10819]  netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[  441.215585][T10819]  ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[  441.215592][T10819]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[  441.215596][T10819]  netlink_sendmsg (net/netlink/af_netlink.c:1900)
[  441.215600][T10819]  ? netlink_unicast (./include/net/net_namespace.h:422 (discriminator 7))
[  441.215602][T10819]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[  441.215605][T10819]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554)
[  441.215610][T10819]  __sock_sendmsg (net/socket.c:800 (discriminator 4) net/socket.c:815 (discriminator 4))
[  441.215613][T10819]  ? fdget (fs/file.c:1200 fs/file.c:1208)
[  441.215617][T10819]  __sys_sendto (net/socket.c:2281)
[  441.215621][T10819]  ? __ia32_sys_getpeername (net/socket.c:2235)
[  441.215632][T10819]  ? fput_close_sync (fs/file_table.c:617)
[  441.215635][T10819]  ? alloc_file_clone (fs/file_table.c:479)
[  441.215639][T10819]  __x64_sys_sendto (net/socket.c:2288 net/socket.c:2284 net/socket.c:2284)
[  441.215642][T10819]  ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22))
[  441.215646][T10819]  ? lockdep_hardirqs_on (kernel/locking/lockdep.c:4488)
[  441.215648][T10819]  ? do_syscall_64 (arch/x86/entry/syscall_64.c:81 (discriminator 44))
[  441.215651][T10819]  do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84)
[  441.215653][T10819]  ? exc_page_fault (arch/x86/mm/fault.c:1489 (discriminator 3) arch/x86/mm/fault.c:1536 (discriminator 3))
[  441.215655][T10819]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[  441.215658][T10819] RIP: 0033:0x7f82c6cea312
[  441.215663][T10819] Code: 08 0f 85 71 41 ff ff 49 89 fb 48 89 f0 48 89 d7 48 89 ce 4c 89 c2 4d 89 ca 4c 8b 44 24 08 4c 8b 4c 24 10 4c 89 5c 24 08 0f 05 <c3> 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 00 f3 0f 1e fa 55 bf 01 00
All code
========
   0:	08 0f                	or     %cl,(%rdi)
   2:	85 71 41             	test   %esi,0x41(%rcx)
   5:	ff                   	(bad)
   6:	ff 49 89             	decl   -0x77(%rcx)
   9:	fb                   	sti
   a:	48 89 f0             	mov    %rsi,%rax
   d:	48 89 d7             	mov    %rdx,%rdi
  10:	48 89 ce             	mov    %rcx,%rsi
  13:	4c 89 c2             	mov    %r8,%rdx
  16:	4d 89 ca             	mov    %r9,%r10
  19:	4c 8b 44 24 08       	mov    0x8(%rsp),%r8
  1e:	4c 8b 4c 24 10       	mov    0x10(%rsp),%r9
  23:	4c 89 5c 24 08       	mov    %r11,0x8(%rsp)
  28:	0f 05                	syscall
  2a:*	c3                   	ret		<-- trapping instruction
  2b:	66 2e 0f 1f 84 00 00 	cs nopw 0x0(%rax,%rax,1)
  32:	00 00 00 
  35:	0f 1f 00             	nopl   (%rax)
  38:	f3 0f 1e fa          	endbr64
  3c:	55                   	push   %rbp
  3d:	bf                   	.byte 0xbf
  3e:	01 00                	add    %eax,(%rax)

Code starting with the faulting instruction
===========================================
   0:	c3                   	ret
   1:	66 2e 0f 1f 84 00 00 	cs nopw 0x0(%rax,%rax,1)
   8:	00 00 00 
   b:	0f 1f 00             	nopl   (%rax)
   e:	f3 0f 1e fa          	endbr64
  12:	55                   	push   %rbp
  13:	bf                   	.byte 0xbf
  14:	01 00                	add    %eax,(%rax)
[  441.215666][T10819] RSP: 002b:00007fffd62c9978 EFLAGS: 00000246 ORIG_RAX: 000000000000002c
[  441.215669][T10819] RAX: ffffffffffffffda RBX: 00007fffd62c9aa8 RCX: 00007f82c6cea312
[  441.215671][T10819] RDX: 0000000000000044 RSI: 00007f82c4a1f1e0 RDI: 0000000000000020
[  441.215672][T10819] RBP: 00007fffd62c99a0 R08: 00007fffd62c9b20 R09: 000000000000000c
[  441.215673][T10819] R10: 0000000000000000 R11: 0000000000000246 R12: 00007f82c4b4e0b0
[  441.215674][T10819] R13: 00007fffd62c9aa8 R14: 00007f82c660901a R15: 00007fffd62c9e98
| [  442.637228][T10851] softirqs last disabled at (377321): __irq_exit_rcu (kernel/softirq.c:679 kernel/softirq.c:519 kernel/softirq.c:767)
| [  442.637230][T10851] Preemption disabled at:
| [  442.637231][T10851] vprintk_emit (kernel/printk/printk.c:2471)
| [  442.637240][T10851] Tainted: [W]=WARN
[  442.637242][T10851] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[  442.637243][T10851] Call Trace:
[  442.637245][T10851]  <TASK>
[  442.637247][T10851]  dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120)
[  442.637253][T10851]  ? vprintk_emit (kernel/printk/printk.c:2471)
[  442.637255][T10851]  __might_resched.cold (kernel/sched/core.c:9234)
[  442.637260][T10851]  ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3))
[  442.637264][T10851]  ? __kmalloc_noprof (./include/linux/sched/mm.h:317 mm/slub.c:4636 mm/slub.c:4974 mm/slub.c:5413 mm/slub.c:5439)
[  442.637269][T10851]  __kmalloc_noprof (./include/linux/sched/mm.h:322 (discriminator 2) mm/slub.c:4636 (discriminator 2) mm/slub.c:4974 (discriminator 2) mm/slub.c:5413 (discriminator 2) mm/slub.c:5439 (discriminator 2))
[  442.637271][T10851]  ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[  442.637278][T10851]  ? do_raw_spin_unlock (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:32 ./include/asm-generic/qspinlock.h:58 kernel/locking/spinlock_debug.c:101 kernel/locking/spinlock_debug.c:141)
[  442.637281][T10851]  alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[  442.637285][T10851]  put_chars (drivers/char/virtio_console.c:1176)
[  442.637287][T10851]  ? __send_to_port (drivers/char/virtio_console.c:654)
[  442.637291][T10851]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380)
[  442.637295][T10851]  ? validate_chain (kernel/locking/lockdep.c:3817 (discriminator 2) kernel/locking/lockdep.c:3837 (discriminator 2) kernel/locking/lockdep.c:3892 (discriminator 2))
[  442.637299][T10851]  hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2))
[  442.637304][T10851]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[  442.637306][T10851]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[  442.637311][T10851]  ? hvc_write (drivers/tty/hvc/hvc_console.c:501)
[  442.637315][T10851]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  442.637318][T10851]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  442.637323][T10851]  console_emit_next_record (kernel/printk/printk.c:3183)
[  442.637327][T10851]  ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20)
[  442.637329][T10851]  ? console_flush_one_record (./include/linux/rcupdate.h:314 (discriminator 2) ./include/linux/srcu.h:439 (discriminator 2) kernel/printk/printk.c:291 (discriminator 2) kernel/printk/printk.c:3246 (discriminator 2))
[  442.637333][T10851]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  442.637335][T10851]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  442.637339][T10851]  console_flush_one_record (kernel/printk/printk.c:3268)
[  442.637344][T10851]  ? console_emit_next_record (kernel/printk/printk.c:3150)
[  442.637346][T10851]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[  442.637352][T10851]  console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420)
[  442.637355][T10851]  ? console_flush_one_record (kernel/printk/printk.c:3316)
[  442.637357][T10851]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  442.637359][T10851]  ? lock_acquire (./include/linux/srcutree.h:374 ./include/linux/srcu.h:541 ./include/linux/srcu.h:645 ./include/trace/events/lock.h:23 ./include/trace/events/lock.h:23 kernel/locking/lockdep.c:5871)
[  442.637363][T10851]  ? __down_trylock_console_sem (kernel/printk/printk.c:334)
[  442.637365][T10851]  ? vprintk_emit (kernel/printk/printk.c:2478)
[  442.637369][T10851]  vprintk_emit (kernel/printk/printk.c:2479)
[  442.637372][T10851]  ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126))
[  442.637378][T10851]  _printk (kernel/printk/printk.c:2504)
[  442.637382][T10851]  ? snapshot_read.cold (user.c:?)
[  442.637385][T10851]  ? lockdep_rtnl_is_held (./include/linux/lockdep.h:249 net/core/rtnetlink.c:182)
[  442.637388][T10851]  ? netdev_upper_get_next_dev_rcu (net/core/dev.c:8213 (discriminator 5))
[  442.637392][T10851]  ? __netdev_update_features (net/core/dev.c:11078 (discriminator 2))
[  442.637394][T10851]  ? netdev_name (./include/linux/netdevice.h:5709 (discriminator 1))
[  442.637398][T10851]  ? __netdev_printk (net/core/dev.c:13148 (discriminator 2))
[  442.637403][T10851]  netdev_info (net/core/dev.c:13195 (discriminator 3))
[  442.637406][T10851]  ? netdev_notice (net/core/dev.c:13194)
[  442.637408][T10851]  ? ovs_netdev_link (net/openvswitch/vport-netdev.c:85) openvswitch
[  442.637418][T10851]  ? 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)
[  442.637421][T10851]  __dev_set_promiscuity.cold (net/core/dev.c:9672 (discriminator 3))
[  442.637424][T10851]  netif_set_promiscuity (net/core/dev.c:9699)
[  442.637429][T10851]  dev_set_promiscuity (net/core/dev_api.c:288)
[  442.637431][T10851]  ? dev_disable_lro (net/core/dev_api.c:267)
[  442.637433][T10851] ovs_netdev_link (net/openvswitch/vport-netdev.c:106) openvswitch
[  442.637440][T10851] ovs_vport_add (net/openvswitch/vport.c:209) openvswitch
[  442.637445][T10851] new_vport (net/openvswitch/datapath.c:203) openvswitch
[  442.637450][T10851]  ? ovs_lookup_vport (./include/linux/lockdep.h:249 net/openvswitch/datapath.c:120 net/openvswitch/datapath.c:117 net/openvswitch/datapath.c:190) openvswitch
[  442.637454][T10851] ovs_vport_cmd_new (net/openvswitch/datapath.c:2389) openvswitch
[  442.637461][T10851]  ? ovs_vport_cmd_fill_info.isra.0 (./include/net/netlink.h:1107 (discriminator 1)) openvswitch
[  442.637465][T10851]  ? __nla_validate_parse (lib/nlattr.c:635)
[  442.637471][T10851]  ? __nla_parse (lib/nlattr.c:732)
[  442.637474][T10851]  ? genl_family_rcv_msg_attrs_parse.isra.0 (./include/net/netlink.h:789 (discriminator 2) net/netlink/genetlink.c:944 (discriminator 2))
[  442.637479][T10851]  genl_family_rcv_msg_doit (net/netlink/genetlink.c:1114)
[  442.637483][T10851]  ? genl_family_rcv_msg_attrs_parse.isra.0 (./include/net/netlink.h:785 (discriminator 2))
[  442.637492][T10851]  ? security_capable (security/security.c:660 (discriminator 11))
[  442.637497][T10851]  genl_family_rcv_msg (net/netlink/genetlink.c:1194)
[  442.637502][T10851]  ? genl_family_rcv_msg_dumpit (net/netlink/genetlink.c:1079)
[  442.637505][T10851]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380)
[  442.637508][T10851]  ? ovs_vport_cmd_fill_info.isra.0 (./include/net/netlink.h:1107 (discriminator 1)) openvswitch
[  442.637512][T10851]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[  442.637518][T10851]  genl_rcv_msg (net/netlink/genetlink.c:1209)
[  442.637522][T10851]  netlink_rcv_skb (net/netlink/af_netlink.c:2556)
[  442.637524][T10851]  ? genl_family_rcv_msg (net/netlink/genetlink.c:1136 (discriminator 2))
[  442.637528][T10851]  ? netlink_ack (./include/linux/skbuff.h:2718)
[  442.637536][T10851]  ? netlink_deliver_tap (./include/linux/rcupdate.h:319 (discriminator 2) ./include/linux/rcupdate.h:880 (discriminator 2) ./include/net/netns/generic.h:48 (discriminator 2) net/netlink/af_netlink.c:334 (discriminator 2))
[  442.637538][T10851]  ? netlink_deliver_tap (./include/linux/rcupdate.h:319 (discriminator 2) ./include/linux/rcupdate.h:880 (discriminator 2) net/netlink/af_netlink.c:341 (discriminator 2))
[  442.637543][T10851]  genl_rcv (net/netlink/genetlink.c:1218)
[  442.637545][T10851]  netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[  442.637550][T10851]  ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[  442.637554][T10851]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[  442.637557][T10851]  netlink_sendmsg (net/netlink/af_netlink.c:1900)
[  442.637562][T10851]  ? netlink_unicast (./include/net/net_namespace.h:422 (discriminator 7))
[  442.637564][T10851]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[  442.637567][T10851]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554)
[  442.637572][T10851]  __sock_sendmsg (net/socket.c:800 (discriminator 4) net/socket.c:815 (discriminator 4))
[  442.637576][T10851]  ? fdget (fs/file.c:1200 fs/file.c:1208)
[  442.637580][T10851]  __sys_sendto (net/socket.c:2281)
[  442.637583][T10851]  ? __ia32_sys_getpeername (net/socket.c:2235)
[  442.637596][T10851]  ? exc_page_fault (arch/x86/mm/fault.c:1483 arch/x86/mm/fault.c:1536)
[  442.637603][T10851]  __x64_sys_sendto (net/socket.c:2288 net/socket.c:2284 net/socket.c:2284)
[  442.637605][T10851]  ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22))
[  442.637609][T10851]  ? lockdep_hardirqs_on (kernel/locking/lockdep.c:4488)
[  442.637611][T10851]  ? do_syscall_64 (arch/x86/entry/syscall_64.c:81 (discriminator 44))
[  442.637614][T10851]  do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84)
[  442.637616][T10851]  ? exc_page_fault (arch/x86/mm/fault.c:1489 (discriminator 3) arch/x86/mm/fault.c:1536 (discriminator 3))
[  442.637619][T10851]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[  442.637621][T10851] RIP: 0033:0x7fe88d660312
[  442.637625][T10851] Code: 08 0f 85 71 41 ff ff 49 89 fb 48 89 f0 48 89 d7 48 89 ce 4c 89 c2 4d 89 ca 4c 8b 44 24 08 4c 8b 4c 24 10 4c 89 5c 24 08 0f 05 <c3> 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 00 f3 0f 1e fa 55 bf 01 00
All code
========
   0:	08 0f                	or     %cl,(%rdi)
   2:	85 71 41             	test   %esi,0x41(%rcx)
   5:	ff                   	(bad)
   6:	ff 49 89             	decl   -0x77(%rcx)
   9:	fb                   	sti
   a:	48 89 f0             	mov    %rsi,%rax
   d:	48 89 d7             	mov    %rdx,%rdi
  10:	48 89 ce             	mov    %rcx,%rsi
  13:	4c 89 c2             	mov    %r8,%rdx
  16:	4d 89 ca             	mov    %r9,%r10
  19:	4c 8b 44 24 08       	mov    0x8(%rsp),%r8
  1e:	4c 8b 4c 24 10       	mov    0x10(%rsp),%r9
  23:	4c 89 5c 24 08       	mov    %r11,0x8(%rsp)
  28:	0f 05                	syscall
  2a:*	c3                   	ret		<-- trapping instruction
  2b:	66 2e 0f 1f 84 00 00 	cs nopw 0x0(%rax,%rax,1)
  32:	00 00 00 
  35:	0f 1f 00             	nopl   (%rax)
  38:	f3 0f 1e fa          	endbr64
  3c:	55                   	push   %rbp
  3d:	bf                   	.byte 0xbf
  3e:	01 00                	add    %eax,(%rax)

Code starting with the faulting instruction
===========================================
   0:	c3                   	ret
   1:	66 2e 0f 1f 84 00 00 	cs nopw 0x0(%rax,%rax,1)
   8:	00 00 00 
   b:	0f 1f 00             	nopl   (%rax)
   e:	f3 0f 1e fa          	endbr64
  12:	55                   	push   %rbp
  13:	bf                   	.byte 0xbf
  14:	01 00                	add    %eax,(%rax)
[  442.637627][T10851] RSP: 002b:00007ffd98c41568 EFLAGS: 00000246 ORIG_RAX: 000000000000002c
[  442.637630][T10851] RAX: ffffffffffffffda RBX: 00007ffd98c41698 RCX: 00007fe88d660312
[  442.637631][T10851] RDX: 0000000000000038 RSI: 00007fe8880e6d30 RDI: 0000000000000023
[  442.637632][T10851] RBP: 00007ffd98c41590 R08: 00007ffd98c41710 R09: 000000000000000c
[  442.637633][T10851] R10: 0000000000000000 R11: 0000000000000246 R12: 00007fe88b4ca190
[  442.637634][T10851] R13: 00007ffd98c41698 R14: 00007fe88cf7f01a R15: 00007ffd98c41a88
| [  443.883182][T10878] softirqs last disabled at (380593): __irq_exit_rcu (kernel/softirq.c:679 kernel/softirq.c:519 kernel/softirq.c:767)
| [  443.883186][T10878] Preemption disabled at:
| [  443.883187][T10878] vprintk_emit (kernel/printk/printk.c:2471)
| [  443.883199][T10878] Tainted: [W]=WARN
[  443.883200][T10878] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[  443.883203][T10878] Call Trace:
[  443.883205][T10878]  <TASK>
[  443.883208][T10878]  dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120)
[  443.883216][T10878]  ? vprintk_emit (kernel/printk/printk.c:2471)
[  443.883219][T10878]  __might_resched.cold (kernel/sched/core.c:9234)
[  443.883225][T10878]  ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3))
[  443.883232][T10878]  ? __kmalloc_noprof (./include/linux/sched/mm.h:317 mm/slub.c:4636 mm/slub.c:4974 mm/slub.c:5413 mm/slub.c:5439)
[  443.883239][T10878]  __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))
[  443.883243][T10878]  ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[  443.883253][T10878]  ? 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)
[  443.883257][T10878]  alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[  443.883264][T10878]  put_chars (drivers/char/virtio_console.c:1176)
[  443.883268][T10878]  ? __send_to_port (drivers/char/virtio_console.c:654)
[  443.883275][T10878]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380)
[  443.883279][T10878]  ? validate_chain (kernel/locking/lockdep.c:3817 (discriminator 2) kernel/locking/lockdep.c:3837 (discriminator 2) kernel/locking/lockdep.c:3892 (discriminator 2))
[  443.883287][T10878]  hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2))
[  443.883293][T10878]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[  443.883296][T10878]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[  443.883305][T10878]  ? hvc_write (drivers/tty/hvc/hvc_console.c:501)
[  443.883312][T10878]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  443.883316][T10878]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  443.883323][T10878]  console_emit_next_record (kernel/printk/printk.c:3183)
[  443.883331][T10878]  ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20)
[  443.883334][T10878]  ? 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))
[  443.883339][T10878]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  443.883343][T10878]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  443.883350][T10878]  console_flush_one_record (kernel/printk/printk.c:3268)
[  443.883358][T10878]  ? console_emit_next_record (kernel/printk/printk.c:3150)
[  443.883361][T10878]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[  443.883372][T10878]  console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420)
[  443.883377][T10878]  ? console_flush_one_record (kernel/printk/printk.c:3316)
[  443.883380][T10878]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  443.883384][T10878]  ? 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)
[  443.883391][T10878]  ? __down_trylock_console_sem (kernel/printk/printk.c:334)
[  443.883394][T10878]  ? vprintk_emit (kernel/printk/printk.c:2478)
[  443.883400][T10878]  vprintk_emit (kernel/printk/printk.c:2479)
[  443.883406][T10878]  ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126))
[  443.883417][T10878]  _printk (kernel/printk/printk.c:2504)
[  443.883422][T10878]  ? snapshot_read.cold (user.c:?)
[  443.883428][T10878]  ? lockdep_rtnl_is_held (./include/linux/lockdep.h:249 net/core/rtnetlink.c:182)
[  443.883432][T10878]  ? netdev_upper_get_next_dev_rcu (net/core/dev.c:8213 (discriminator 5))
[  443.883437][T10878]  ? 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)
[  443.883440][T10878]  ? __netdev_update_features (net/core/dev.c:11078 (discriminator 2))
[  443.883443][T10878]  ? netdev_name (./include/linux/netdevice.h:5709 (discriminator 1))
[  443.883449][T10878]  ? __netdev_printk (net/core/dev.c:13148 (discriminator 2))
[  443.883457][T10878]  netdev_info (net/core/dev.c:13195 (discriminator 3))
[  443.883462][T10878]  ? netdev_notice (net/core/dev.c:13194)
[  443.883465][T10878]  ? ovs_netdev_link (net/openvswitch/vport-netdev.c:85) openvswitch
[  443.883484][T10878]  ? 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)
[  443.883489][T10878]  __dev_set_promiscuity.cold (net/core/dev.c:9672 (discriminator 3))
[  443.883496][T10878]  netif_set_promiscuity (net/core/dev.c:9699)
[  443.883502][T10878]  dev_set_promiscuity (net/core/dev_api.c:288)
[  443.883506][T10878]  ? dev_disable_lro (net/core/dev_api.c:267)
[  443.883510][T10878] ovs_netdev_link (net/openvswitch/vport-netdev.c:106) openvswitch
[  443.883521][T10878] ovs_vport_add (net/openvswitch/vport.c:209) openvswitch
[  443.883532][T10878] new_vport (net/openvswitch/datapath.c:203) openvswitch
[  443.883540][T10878]  ? ovs_lookup_vport (./include/linux/lockdep.h:249 net/openvswitch/datapath.c:120 net/openvswitch/datapath.c:117 net/openvswitch/datapath.c:190) openvswitch
[  443.883549][T10878] ovs_vport_cmd_new (net/openvswitch/datapath.c:2389) openvswitch
[  443.883563][T10878]  ? ovs_vport_cmd_fill_info.isra.0 (./include/net/netlink.h:1107 (discriminator 1)) openvswitch
[  443.883570][T10878]  ? __nla_validate_parse (lib/nlattr.c:635)
[  443.883580][T10878]  ? __nla_parse (lib/nlattr.c:732)
[  443.883584][T10878]  ? genl_family_rcv_msg_attrs_parse.isra.0 (./include/net/netlink.h:789 (discriminator 2) net/netlink/genetlink.c:944 (discriminator 2))
[  443.883595][T10878]  genl_family_rcv_msg_doit (net/netlink/genetlink.c:1114)
[  443.883602][T10878]  ? genl_family_rcv_msg_attrs_parse.isra.0 (./include/net/netlink.h:785 (discriminator 2))
[  443.883620][T10878]  ? security_capable (security/security.c:660 (discriminator 11))
[  443.883627][T10878]  genl_family_rcv_msg (net/netlink/genetlink.c:1194)
[  443.883635][T10878]  ? genl_family_rcv_msg_dumpit (net/netlink/genetlink.c:1079)
[  443.883640][T10878]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380)
[  443.883644][T10878]  ? ovs_vport_cmd_fill_info.isra.0 (./include/net/netlink.h:1107 (discriminator 1)) openvswitch
[  443.883652][T10878]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[  443.883668][T10878]  genl_rcv_msg (net/netlink/genetlink.c:1209)
[  443.883675][T10878]  netlink_rcv_skb (net/netlink/af_netlink.c:2556)
[  443.883679][T10878]  ? genl_family_rcv_msg (net/netlink/genetlink.c:1136 (discriminator 2))
[  443.883686][T10878]  ? netlink_ack (./include/linux/skbuff.h:2718)
[  443.883702][T10878]  ? 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))
[  443.883705][T10878]  ? 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))
[  443.883713][T10878]  genl_rcv (net/netlink/genetlink.c:1218)
[  443.883717][T10878]  netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[  443.883725][T10878]  ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[  443.883732][T10878]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[  443.883739][T10878]  netlink_sendmsg (net/netlink/af_netlink.c:1900)
[  443.883747][T10878]  ? netlink_unicast (./include/net/net_namespace.h:422 (discriminator 7))
[  443.883750][T10878]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[  443.883756][T10878]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554)
[  443.883766][T10878]  __sock_sendmsg (net/socket.c:800 (discriminator 4) net/socket.c:815 (discriminator 4))
[  443.883770][T10878]  ? fdget (fs/file.c:1200 fs/file.c:1208)
[  443.883775][T10878]  __sys_sendto (net/socket.c:2281)
[  443.883781][T10878]  ? __ia32_sys_getpeername (net/socket.c:2235)
[  443.883792][T10878]  ? _raw_spin_unlock (./include/linux/spinlock_api_smp.h:201 (discriminator 1) kernel/locking/spinlock.c:213 (discriminator 1))
[  443.883808][T10878]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  443.883816][T10878]  __x64_sys_sendto (net/socket.c:2288 net/socket.c:2284 net/socket.c:2284)
[  443.883820][T10878]  ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22))
[  443.883825][T10878]  ? lockdep_hardirqs_on (kernel/locking/lockdep.c:4488)
[  443.883829][T10878]  ? do_syscall_64 (arch/x86/entry/syscall_64.c:81 (discriminator 44))
[  443.883833][T10878]  do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84)
[  443.883837][T10878]  ? irq_exit_rcu (kernel/softirq.c:786)
[  443.883842][T10878]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[  443.883846][T10878] RIP: 0033:0x7f883036e312
[  443.883851][T10878] Code: 08 0f 85 71 41 ff ff 49 89 fb 48 89 f0 48 89 d7 48 89 ce 4c 89 c2 4d 89 ca 4c 8b 44 24 08 4c 8b 4c 24 10 4c 89 5c 24 08 0f 05 <c3> 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 00 f3 0f 1e fa 55 bf 01 00
All code
========
   0:	08 0f                	or     %cl,(%rdi)
   2:	85 71 41             	test   %esi,0x41(%rcx)
   5:	ff                   	(bad)
   6:	ff 49 89             	decl   -0x77(%rcx)
   9:	fb                   	sti
   a:	48 89 f0             	mov    %rsi,%rax
   d:	48 89 d7             	mov    %rdx,%rdi
  10:	48 89 ce             	mov    %rcx,%rsi
  13:	4c 89 c2             	mov    %r8,%rdx
  16:	4d 89 ca             	mov    %r9,%r10
  19:	4c 8b 44 24 08       	mov    0x8(%rsp),%r8
  1e:	4c 8b 4c 24 10       	mov    0x10(%rsp),%r9
  23:	4c 89 5c 24 08       	mov    %r11,0x8(%rsp)
  28:	0f 05                	syscall
  2a:*	c3                   	ret		<-- trapping instruction
  2b:	66 2e 0f 1f 84 00 00 	cs nopw 0x0(%rax,%rax,1)
  32:	00 00 00 
  35:	0f 1f 00             	nopl   (%rax)
  38:	f3 0f 1e fa          	endbr64
  3c:	55                   	push   %rbp
  3d:	bf                   	.byte 0xbf
  3e:	01 00                	add    %eax,(%rax)

Code starting with the faulting instruction
===========================================
   0:	c3                   	ret
   1:	66 2e 0f 1f 84 00 00 	cs nopw 0x0(%rax,%rax,1)
   8:	00 00 00 
   b:	0f 1f 00             	nopl   (%rax)
   e:	f3 0f 1e fa          	endbr64
  12:	55                   	push   %rbp
  13:	bf                   	.byte 0xbf
  14:	01 00                	add    %eax,(%rax)
[  443.883854][T10878] RSP: 002b:00007ffd894f11b8 EFLAGS: 00000246 ORIG_RAX: 000000000000002c
[  443.883859][T10878] RAX: ffffffffffffffda RBX: 00007ffd894f12e8 RCX: 00007f883036e312
[  443.883862][T10878] RDX: 0000000000000038 RSI: 00007f882c632870 RDI: 0000000000000023
[  443.883863][T10878] RBP: 00007ffd894f11e0 R08: 00007ffd894f1360 R09: 000000000000000c
[  443.883865][T10878] R10: 0000000000000000 R11: 0000000000000246 R12: 00007f882e1d2190
[  443.883867][T10878] R13: 00007ffd894f12e8 R14: 00007f882fc8d01a R15: 00007ffd894f16d8
| [  453.766772][   T12] softirqs last disabled at (9697160): __neigh_ifdown.isra.0 (./include/linux/spinlock.h:353 net/core/neighbour.c:464)
| [  453.766775][   T12] Preemption disabled at:
| [  453.766776][   T12] vprintk_emit (kernel/printk/printk.c:2471)
| [  453.766785][   T12] Tainted: [W]=WARN
[  453.766786][   T12] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[  453.766788][   T12] Workqueue: netns cleanup_net
[  453.766792][   T12] Call Trace:
[  453.766794][   T12]  <TASK>
[  453.766796][   T12]  dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120)
[  453.766802][   T12]  ? vprintk_emit (kernel/printk/printk.c:2471)
[  453.766804][   T12]  __might_resched.cold (kernel/sched/core.c:9234)
[  453.766808][   T12]  ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3))
[  453.766812][   T12]  ? __kmalloc_noprof (./include/linux/sched/mm.h:317 mm/slub.c:4636 mm/slub.c:4974 mm/slub.c:5413 mm/slub.c:5439)
[  453.766817][   T12]  __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))
[  453.766819][   T12]  ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[  453.766826][   T12]  ? 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)
[  453.766829][   T12]  alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[  453.766833][   T12]  put_chars (drivers/char/virtio_console.c:1176)
[  453.766835][   T12]  ? prb_final_commit (kernel/printk/printk_ringbuffer.c:1842)
[  453.766838][   T12]  ? __send_to_port (drivers/char/virtio_console.c:654)
[  453.766841][   T12]  ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4116 (discriminator 3) kernel/rcu/tree.c:4108 (discriminator 3))
[  453.766844][   T12]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380)
[  453.766847][   T12]  ? validate_chain (kernel/locking/lockdep.c:3817 (discriminator 2) kernel/locking/lockdep.c:3837 (discriminator 2) kernel/locking/lockdep.c:3892 (discriminator 2))
[  453.766852][   T12]  hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2))
[  453.766856][   T12]  ? mark_usage (kernel/locking/lockdep.c:4690)
[  453.766858][   T12]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[  453.766860][   T12]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[  453.766865][   T12]  ? hvc_write (drivers/tty/hvc/hvc_console.c:501)
[  453.766868][   T12]  ? console_emit_next_record (kernel/printk/printk.c:3095 (discriminator 2) kernel/printk/printk.c:3182 (discriminator 2))
[  453.766872][   T12]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  453.766874][   T12]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  453.766879][   T12]  console_emit_next_record (kernel/printk/printk.c:3183)
[  453.766884][   T12]  ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20)
[  453.766886][   T12]  ? 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))
[  453.766890][   T12]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  453.766892][   T12]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  453.766897][   T12]  console_flush_one_record (kernel/printk/printk.c:3268)
[  453.766906][   T12]  ? console_emit_next_record (kernel/printk/printk.c:3150)
[  453.766909][   T12]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[  453.766916][   T12]  console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420)
[  453.766920][   T12]  ? console_flush_one_record (kernel/printk/printk.c:3316)
[  453.766923][   T12]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  453.766925][   T12]  ? 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)
[  453.766930][   T12]  ? __down_trylock_console_sem (kernel/printk/printk.c:334)
[  453.766933][   T12]  ? vprintk_emit (kernel/printk/printk.c:2478)
[  453.766937][   T12]  vprintk_emit (kernel/printk/printk.c:2479)
[  453.766942][   T12]  ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126))
[  453.766946][   T12]  ? net_disable_timestamp (./include/linux/workqueue.h:761)
[  453.766949][   T12]  ? net_generic (./include/linux/rcupdate.h:882 ./include/net/netns/generic.h:48) vxlan
[  453.766960][   T12]  _printk (kernel/printk/printk.c:2504)
[  453.766965][   T12]  ? snapshot_read.cold (user.c:?)
[  453.766971][   T12]  ? netdev_name (./include/linux/netdevice.h:5709 (discriminator 1))
[  453.766975][   T12]  ? __netdev_printk (net/core/dev.c:13148 (discriminator 2))
[  453.766981][   T12]  netdev_info (net/core/dev.c:13195 (discriminator 3))
[  453.766984][   T12]  ? netdev_notice (net/core/dev.c:13194)
[  453.766986][   T12]  ? __netdev_upper_dev_unlink (net/core/dev.c:9094)
[  453.766991][   T12]  ? synchronize_rcu_expedited (kernel/rcu/tree_exp.h:985)
[  453.766998][   T12]  ? 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)
[  453.767002][   T12]  __dev_set_promiscuity.cold (net/core/dev.c:9672 (discriminator 3))
[  453.767006][   T12]  netif_set_promiscuity (net/core/dev.c:9699)
[  453.767011][   T12]  dev_set_promiscuity (net/core/dev_api.c:288)
[  453.767014][   T12]  ? rtnl_is_locked (net/core/rtnetlink.c:169)
[  453.767018][   T12] ovs_netdev_detach_dev (net/openvswitch/vport-netdev.c:174) openvswitch
[  453.767027][   T12] dp_device_event (net/openvswitch/dp_notify.c:74) openvswitch
[  453.767033][   T12]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  453.767037][   T12]  notifier_call_chain (kernel/notifier.c:85)
[  453.767044][   T12]  unregister_netdevice_many_notify (net/core/dev.c:2313 net/core/dev.c:2327 net/core/dev.c:12518)
[  453.767050][   T12]  ? unregister_netdevice_queued (./include/linux/list.h:419 (discriminator 3))
[  453.767059][   T12]  default_device_exit_batch (net/core/dev.c:12589 net/core/dev.c:13288)
[  453.767064][   T12]  ? unregister_netdevice_queue (./include/linux/list.h:173)
[  453.767066][   T12]  ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3))
[  453.767069][   T12]  ? fou_exit_net (net/ipv4/fou_core.c:1228)
[  453.767074][   T12]  ops_undo_list (net/core/net_namespace.c:206 net/core/net_namespace.c:253)
[  453.767079][   T12]  ? lockdep_hardirqs_on (kernel/locking/lockdep.c:4488)
[  453.767083][   T12]  ? netns_install (./include/linux/ns_common.h:26)
[  453.767085][   T12]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554)
[  453.767089][   T12]  ? idr_destroy (lib/radix-tree.c:310 lib/radix-tree.c:674 lib/radix-tree.c:1563)
[  453.767094][   T12]  cleanup_net (net/core/net_namespace.c:706)
[  453.767098][   T12]  ? net_passive_dec (./include/linux/llist.h:241)
[  453.767102][   T12]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  453.767105][   T12]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  453.767109][   T12]  process_one_work (kernel/workqueue.c:3387)
[  453.767118][   T12]  ? __queue_delayed_work (kernel/workqueue.c:2622)
[  453.767121][   T12]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2))
[  453.767131][   T12]  worker_thread (kernel/workqueue.c:3470 kernel/workqueue.c:3551)
[  453.767141][   T12]  ? rescuer_thread (./include/linux/list.h:419 (discriminator 3))
[  453.767144][   T12]  kthread (kernel/kthread.c:436)
[  453.767147][   T12]  ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22))
[  453.767157][   T12]  ? kthread_affine_preferred (kernel/kthread.c:857)
[  453.767162][   T12]  ret_from_fork (arch/x86/kernel/process.c:158)
[  453.767167][   T12]  ? arch_exit_to_user_mode_prepare.isra.0 (arch/x86/entry/vdso/vma.c:80 (discriminator 1))
[  453.767172][   T12]  ? __switch_to (arch/x86/kernel/process_64.c:403 arch/x86/kernel/process_64.c:663)
[  453.767176][   T12]  ? kthread_affine_preferred (kernel/kthread.c:857)
[  453.767180][   T12]  ret_from_fork_asm (arch/x86/entry/entry_64.S:245)
| [  455.846303][T11092] softirqs last disabled at (374404): inet6_fill_ifla6_attrs (net/ipv6/addrconf.c:5883)
| [  455.846305][T11092] Preemption disabled at:
| [  455.846306][T11092] vprintk_emit (kernel/printk/printk.c:2471)
| [  455.846316][T11092] Tainted: [W]=WARN
[  455.846317][T11092] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[  455.846319][T11092] Call Trace:
[  455.846320][T11092]  <TASK>
[  455.846322][T11092]  dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120)
[  455.846329][T11092]  ? vprintk_emit (kernel/printk/printk.c:2471)
[  455.846331][T11092]  __might_resched.cold (kernel/sched/core.c:9234)
[  455.846338][T11092]  ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3))
[  455.846345][T11092]  ? __kmalloc_noprof (./include/linux/sched/mm.h:317 mm/slub.c:4636 mm/slub.c:4974 mm/slub.c:5413 mm/slub.c:5439)
[  455.846351][T11092]  __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))
[  455.846354][T11092]  ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[  455.846362][T11092]  ? 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)
[  455.846365][T11092]  alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[  455.846369][T11092]  put_chars (drivers/char/virtio_console.c:1176)
[  455.846372][T11092]  ? __send_to_port (drivers/char/virtio_console.c:654)
[  455.846374][T11092]  ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4116 (discriminator 3) kernel/rcu/tree.c:4108 (discriminator 3))
[  455.846378][T11092]  ? validate_chain (kernel/locking/lockdep.c:3817 (discriminator 2) kernel/locking/lockdep.c:3837 (discriminator 2) kernel/locking/lockdep.c:3892 (discriminator 2))
[  455.846385][T11092]  hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2))
[  455.846394][T11092]  ? hvc_write (drivers/tty/hvc/hvc_console.c:501)
[  455.846398][T11092]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  455.846400][T11092]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  455.846405][T11092]  console_emit_next_record (kernel/printk/printk.c:3183)
[  455.846410][T11092]  ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20)
[  455.846412][T11092]  ? 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))
[  455.846416][T11092]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  455.846418][T11092]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  455.846423][T11092]  console_flush_one_record (kernel/printk/printk.c:3268)
[  455.846429][T11092]  ? console_emit_next_record (kernel/printk/printk.c:3150)
[  455.846431][T11092]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[  455.846437][T11092]  console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420)
[  455.846441][T11092]  ? console_flush_one_record (kernel/printk/printk.c:3316)
[  455.846443][T11092]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  455.846445][T11092]  ? 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)
[  455.846450][T11092]  ? __down_trylock_console_sem (kernel/printk/printk.c:334)
[  455.846452][T11092]  ? vprintk_emit (kernel/printk/printk.c:2478)
[  455.846455][T11092]  vprintk_emit (kernel/printk/printk.c:2479)
[  455.846459][T11092]  ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126))
[  455.846463][T11092]  ? net_disable_timestamp (./include/linux/workqueue.h:761)
[  455.846466][T11092]  ? net_generic (./include/linux/rcupdate.h:882 ./include/net/netns/generic.h:48) vxlan
[  455.846477][T11092]  _printk (kernel/printk/printk.c:2504)
[  455.846482][T11092]  ? snapshot_read.cold (user.c:?)
[  455.846488][T11092]  ? netdev_name (./include/linux/netdevice.h:5709 (discriminator 1))
[  455.846492][T11092]  ? __netdev_printk (net/core/dev.c:13148 (discriminator 2))
[  455.846497][T11092]  netdev_info (net/core/dev.c:13195 (discriminator 3))
[  455.846503][T11092]  ? netdev_notice (net/core/dev.c:13194)
[  455.846506][T11092]  ? __netdev_upper_dev_unlink (net/core/dev.c:9094)
[  455.846515][T11092]  ? synchronize_rcu_expedited (kernel/rcu/tree_exp.h:985)
[  455.846522][T11092]  ? 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)
[  455.846525][T11092]  __dev_set_promiscuity.cold (net/core/dev.c:9672 (discriminator 3))
[  455.846529][T11092]  netif_set_promiscuity (net/core/dev.c:9699)
[  455.846533][T11092]  dev_set_promiscuity (net/core/dev_api.c:288)
[  455.846535][T11092]  ? rtnl_is_locked (net/core/rtnetlink.c:169)
[  455.846540][T11092] ovs_netdev_detach_dev (net/openvswitch/vport-netdev.c:174) openvswitch
[  455.846546][T11092]  ? netdev_destroy (net/openvswitch/vport-netdev.c:189) openvswitch
[  455.846551][T11092] netdev_destroy (net/openvswitch/vport-netdev.c:194) openvswitch
[  455.846559][T11092] ovs_vport_cmd_del (net/openvswitch/datapath.c:2505) openvswitch
[  455.846576][T11092]  genl_family_rcv_msg_doit (net/netlink/genetlink.c:1114)
[  455.846580][T11092]  ? genl_family_rcv_msg_attrs_parse.isra.0 (./include/net/netlink.h:785 (discriminator 2))
[  455.846591][T11092]  ? security_capable (security/security.c:660 (discriminator 11))
[  455.846596][T11092]  genl_family_rcv_msg (net/netlink/genetlink.c:1194)
[  455.846601][T11092]  ? genl_family_rcv_msg_dumpit (net/netlink/genetlink.c:1079)
[  455.846604][T11092]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380)
[  455.846607][T11092]  ? ovs_dp_detach_port (./include/linux/list.h:1047 (discriminator 2)) openvswitch
[  455.846612][T11092]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[  455.846619][T11092]  genl_rcv_msg (net/netlink/genetlink.c:1209)
[  455.846623][T11092]  netlink_rcv_skb (net/netlink/af_netlink.c:2556)
[  455.846626][T11092]  ? genl_family_rcv_msg (net/netlink/genetlink.c:1136 (discriminator 2))
[  455.846630][T11092]  ? netlink_ack (./include/linux/skbuff.h:2718)
[  455.846639][T11092]  ? 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))
[  455.846641][T11092]  ? 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))
[  455.846647][T11092]  genl_rcv (net/netlink/genetlink.c:1218)
[  455.846649][T11092]  netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[  455.846655][T11092]  ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[  455.846660][T11092]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[  455.846665][T11092]  netlink_sendmsg (net/netlink/af_netlink.c:1900)
[  455.846670][T11092]  ? netlink_unicast (./include/net/net_namespace.h:422 (discriminator 7))
[  455.846672][T11092]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[  455.846676][T11092]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554)
[  455.846682][T11092]  __sock_sendmsg (net/socket.c:800 (discriminator 4) net/socket.c:815 (discriminator 4))
[  455.846686][T11092]  ? fdget (fs/file.c:1200 fs/file.c:1208)
[  455.846690][T11092]  __sys_sendto (net/socket.c:2281)
[  455.846694][T11092]  ? __ia32_sys_getpeername (net/socket.c:2235)
[  455.846708][T11092]  ? exc_page_fault (arch/x86/mm/fault.c:1483 arch/x86/mm/fault.c:1536)
[  455.846715][T11092]  __x64_sys_sendto (net/socket.c:2288 net/socket.c:2284 net/socket.c:2284)
[  455.846718][T11092]  ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22))
[  455.846722][T11092]  ? lockdep_hardirqs_on (kernel/locking/lockdep.c:4488)
[  455.846724][T11092]  ? do_syscall_64 (arch/x86/entry/syscall_64.c:81 (discriminator 44))
[  455.846727][T11092]  do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84)
[  455.846730][T11092]  ? exc_page_fault (arch/x86/mm/fault.c:1489 (discriminator 3) arch/x86/mm/fault.c:1536 (discriminator 3))
[  455.846735][T11092]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[  455.846739][T11092] RIP: 0033:0x7f25160eb312
[  455.846744][T11092] Code: 08 0f 85 71 41 ff ff 49 89 fb 48 89 f0 48 89 d7 48 89 ce 4c 89 c2 4d 89 ca 4c 8b 44 24 08 4c 8b 4c 24 10 4c 89 5c 24 08 0f 05 <c3> 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 00 f3 0f 1e fa 55 bf 01 00
All code
========
   0:	08 0f                	or     %cl,(%rdi)
   2:	85 71 41             	test   %esi,0x41(%rcx)
   5:	ff                   	(bad)
   6:	ff 49 89             	decl   -0x77(%rcx)
   9:	fb                   	sti
   a:	48 89 f0             	mov    %rsi,%rax
   d:	48 89 d7             	mov    %rdx,%rdi
  10:	48 89 ce             	mov    %rcx,%rsi
  13:	4c 89 c2             	mov    %r8,%rdx
  16:	4d 89 ca             	mov    %r9,%r10
  19:	4c 8b 44 24 08       	mov    0x8(%rsp),%r8
  1e:	4c 8b 4c 24 10       	mov    0x10(%rsp),%r9
  23:	4c 89 5c 24 08       	mov    %r11,0x8(%rsp)
  28:	0f 05                	syscall
  2a:*	c3                   	ret		<-- trapping instruction
  2b:	66 2e 0f 1f 84 00 00 	cs nopw 0x0(%rax,%rax,1)
  32:	00 00 00 
  35:	0f 1f 00             	nopl   (%rax)
  38:	f3 0f 1e fa          	endbr64
  3c:	55                   	push   %rbp
  3d:	bf                   	.byte 0xbf
  3e:	01 00                	add    %eax,(%rax)

Code starting with the faulting instruction
===========================================
   0:	c3                   	ret
   1:	66 2e 0f 1f 84 00 00 	cs nopw 0x0(%rax,%rax,1)
   8:	00 00 00 
   b:	0f 1f 00             	nopl   (%rax)
   e:	f3 0f 1e fa          	endbr64
  12:	55                   	push   %rbp
  13:	bf                   	.byte 0xbf
  14:	01 00                	add    %eax,(%rax)
[  455.846747][T11092] RSP: 002b:00007ffc8c8618f8 EFLAGS: 00000246 ORIG_RAX: 000000000000002c
[  455.846750][T11092] RAX: ffffffffffffffda RBX: 00007ffc8c861a28 RCX: 00007f25160eb312
[  455.846751][T11092] RDX: 0000000000000028 RSI: 00007f2511d50d20 RDI: 0000000000000023
[  455.846752][T11092] RBP: 00007ffc8c861920 R08: 00007ffc8c861aa0 R09: 000000000000000c
[  455.846754][T11092] R10: 0000000000000000 R11: 0000000000000246 R12: 00007f2513f4dfd0
[  455.846755][T11092] R13: 00007ffc8c861a28 R14: 00007f2515a0a01a R15: 00007ffc8c861e18
| [  460.297614][T11200] softirqs last disabled at (411714): __alloc_skb (./include/linux/bottom_half.h:20 (discriminator 2) net/core/skbuff.c:697 (discriminator 2))
| [  460.297617][T11200] Preemption disabled at:
| [  460.297618][T11200] vprintk_emit (kernel/printk/printk.c:2471)
| [  460.297628][T11200] Tainted: [W]=WARN
[  460.297629][T11200] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[  460.297631][T11200] Call Trace:
[  460.297632][T11200]  <TASK>
[  460.297634][T11200]  dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120)
[  460.297640][T11200]  ? vprintk_emit (kernel/printk/printk.c:2471)
[  460.297642][T11200]  __might_resched.cold (kernel/sched/core.c:9234)
[  460.297647][T11200]  ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3))
[  460.297652][T11200]  ? __kmalloc_noprof (./include/linux/sched/mm.h:317 mm/slub.c:4636 mm/slub.c:4974 mm/slub.c:5413 mm/slub.c:5439)
[  460.297657][T11200]  __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))
[  460.297659][T11200]  ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[  460.297666][T11200]  ? 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)
[  460.297669][T11200]  alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[  460.297673][T11200]  put_chars (drivers/char/virtio_console.c:1176)
[  460.297676][T11200]  ? __send_to_port (drivers/char/virtio_console.c:654)
[  460.297679][T11200]  ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4116 (discriminator 3) kernel/rcu/tree.c:4108 (discriminator 3))
[  460.297682][T11200]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380)
[  460.297686][T11200]  ? validate_chain (kernel/locking/lockdep.c:3817 (discriminator 2) kernel/locking/lockdep.c:3837 (discriminator 2) kernel/locking/lockdep.c:3892 (discriminator 2))
[  460.297690][T11200]  hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2))
[  460.297694][T11200]  ? mark_usage (kernel/locking/lockdep.c:4690)
[  460.297696][T11200]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[  460.297698][T11200]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[  460.297703][T11200]  ? hvc_write (drivers/tty/hvc/hvc_console.c:501)
[  460.297705][T11200]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2))
[  460.297710][T11200]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  460.297714][T11200]  console_emit_next_record (kernel/printk/printk.c:3183)
[  460.297719][T11200]  ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20)
[  460.297721][T11200]  ? 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))
[  460.297725][T11200]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  460.297727][T11200]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  460.297731][T11200]  console_flush_one_record (kernel/printk/printk.c:3268)
[  460.297736][T11200]  ? console_emit_next_record (kernel/printk/printk.c:3150)
[  460.297738][T11200]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[  460.297744][T11200]  console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420)
[  460.297747][T11200]  ? console_flush_one_record (kernel/printk/printk.c:3316)
[  460.297749][T11200]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  460.297751][T11200]  ? 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)
[  460.297755][T11200]  ? __down_trylock_console_sem (kernel/printk/printk.c:334)
[  460.297757][T11200]  ? vprintk_emit (kernel/printk/printk.c:2478)
[  460.297760][T11200]  vprintk_emit (kernel/printk/printk.c:2479)
[  460.297764][T11200]  ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126))
[  460.297766][T11200]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554)
[  460.297768][T11200]  ? genl_family_rcv_msg (net/netlink/genetlink.c:1194)
[  460.297773][T11200]  _printk (kernel/printk/printk.c:2504)
[  460.297777][T11200]  ? snapshot_read.cold (user.c:?)
[  460.297779][T11200]  ? ___ratelimit (lib/ratelimit.c:97 (discriminator 3))
[  460.297785][T11200]  ? idr_get_free (??:?)
[  460.297790][T11200]  validate_nla.cold (lib/nlattr.c:414 (discriminator 4))
[  460.297799][T11200]  ? nla_get_range_signed (lib/nlattr.c:270)
[  460.297805][T11200]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  460.297807][T11200]  ? trace_kmalloc (./include/trace/events/kmem.h:57 (discriminator 22))
[  460.297812][T11200]  __nla_validate_parse (lib/nlattr.c:635)
[  460.297817][T11200]  __nla_parse (lib/nlattr.c:732)
[  460.297820][T11200]  genl_family_rcv_msg_attrs_parse.isra.0 (./include/net/netlink.h:789 (discriminator 2) net/netlink/genetlink.c:944 (discriminator 2))
[  460.297825][T11200]  genl_family_rcv_msg_doit (net/netlink/genetlink.c:1092)
[  460.297829][T11200]  ? genl_family_rcv_msg_attrs_parse.isra.0 (./include/net/netlink.h:785 (discriminator 2))
[  460.297838][T11200]  ? security_capable (security/security.c:660 (discriminator 11))
[  460.297843][T11200]  genl_family_rcv_msg (net/netlink/genetlink.c:1194)
[  460.297847][T11200]  ? genl_family_rcv_msg_dumpit (net/netlink/genetlink.c:1079)
[  460.297849][T11200]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380)
[  460.297852][T11200]  ? ovs_dp_cmd_get (./include/net/net_namespace.h:422 (discriminator 7)) openvswitch
[  460.297861][T11200]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[  460.297867][T11200]  genl_rcv_msg (net/netlink/genetlink.c:1209)
[  460.297870][T11200]  netlink_rcv_skb (net/netlink/af_netlink.c:2556)
[  460.297873][T11200]  ? genl_family_rcv_msg (net/netlink/genetlink.c:1136 (discriminator 2))
[  460.297876][T11200]  ? netlink_ack (./include/linux/skbuff.h:2718)
[  460.297884][T11200]  ? 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))
[  460.297886][T11200]  ? 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))
[  460.297891][T11200]  genl_rcv (net/netlink/genetlink.c:1218)
[  460.297893][T11200]  netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[  460.297902][T11200]  ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[  460.297906][T11200]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[  460.297910][T11200]  netlink_sendmsg (net/netlink/af_netlink.c:1900)
[  460.297914][T11200]  ? netlink_unicast (./include/net/net_namespace.h:422 (discriminator 7))
[  460.297916][T11200]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[  460.297920][T11200]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554)
[  460.297925][T11200]  __sock_sendmsg (net/socket.c:800 (discriminator 4) net/socket.c:815 (discriminator 4))
[  460.297928][T11200]  ? fdget (fs/file.c:1200 fs/file.c:1208)
[  460.297932][T11200]  __sys_sendto (net/socket.c:2281)
[  460.297935][T11200]  ? __ia32_sys_getpeername (net/socket.c:2235)
[  460.297946][T11200]  ? fput_close_sync (fs/file_table.c:617)
[  460.297950][T11200]  ? alloc_file_clone (fs/file_table.c:479)
[  460.297954][T11200]  __x64_sys_sendto (net/socket.c:2288 net/socket.c:2284 net/socket.c:2284)
[  460.297956][T11200]  ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22))
[  460.297961][T11200]  ? lockdep_hardirqs_on (kernel/locking/lockdep.c:4488)
[  460.297963][T11200]  ? do_syscall_64 (arch/x86/entry/syscall_64.c:81 (discriminator 44))
[  460.297966][T11200]  do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84)
[  460.297968][T11200]  ? exc_page_fault (arch/x86/mm/fault.c:1489 (discriminator 3) arch/x86/mm/fault.c:1536 (discriminator 3))
[  460.297971][T11200]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[  460.297973][T11200] RIP: 0033:0x7f8971b87312
[  460.297977][T11200] Code: 08 0f 85 71 41 ff ff 49 89 fb 48 89 f0 48 89 d7 48 89 ce 4c 89 c2 4d 89 ca 4c 8b 44 24 08 4c 8b 4c 24 10 4c 89 5c 24 08 0f 05 <c3> 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 00 f3 0f 1e fa 55 bf 01 00
All code
========
   0:	08 0f                	or     %cl,(%rdi)
   2:	85 71 41             	test   %esi,0x41(%rcx)
   5:	ff                   	(bad)
   6:	ff 49 89             	decl   -0x77(%rcx)
   9:	fb                   	sti
   a:	48 89 f0             	mov    %rsi,%rax
   d:	48 89 d7             	mov    %rdx,%rdi
  10:	48 89 ce             	mov    %rcx,%rsi
  13:	4c 89 c2             	mov    %r8,%rdx
  16:	4d 89 ca             	mov    %r9,%r10
  19:	4c 8b 44 24 08       	mov    0x8(%rsp),%r8
  1e:	4c 8b 4c 24 10       	mov    0x10(%rsp),%r9
  23:	4c 89 5c 24 08       	mov    %r11,0x8(%rsp)
  28:	0f 05                	syscall
  2a:*	c3                   	ret		<-- trapping instruction
  2b:	66 2e 0f 1f 84 00 00 	cs nopw 0x0(%rax,%rax,1)
  32:	00 00 00 
  35:	0f 1f 00             	nopl   (%rax)
  38:	f3 0f 1e fa          	endbr64
  3c:	55                   	push   %rbp
  3d:	bf                   	.byte 0xbf
  3e:	01 00                	add    %eax,(%rax)

Code starting with the faulting instruction
===========================================
   0:	c3                   	ret
   1:	66 2e 0f 1f 84 00 00 	cs nopw 0x0(%rax,%rax,1)
   8:	00 00 00 
   b:	0f 1f 00             	nopl   (%rax)
   e:	f3 0f 1e fa          	endbr64
  12:	55                   	push   %rbp
  13:	bf                   	.byte 0xbf
  14:	01 00                	add    %eax,(%rax)
[  460.297979][T11200] RSP: 002b:00007ffc7fa25ef8 EFLAGS: 00000246 ORIG_RAX: 000000000000002c
[  460.297982][T11200] RAX: ffffffffffffffda RBX: 00007ffc7fa26028 RCX: 00007f8971b87312
[  460.297983][T11200] RDX: 0000000000000044 RSI: 00007f896f8e3460 RDI: 0000000000000020
[  460.297984][T11200] RBP: 00007ffc7fa25f20 R08: 00007ffc7fa260a0 R09: 000000000000000c
[  460.297985][T11200] R10: 0000000000000000 R11: 0000000000000246 R12: 00007f896f9ee0b0
[  460.297986][T11200] R13: 00007ffc7fa26028 R14: 00007f89714a601a R15: 00007ffc7fa26418
| [  461.681912][T11232] softirqs last disabled at (413636): inet6_fill_ifla6_attrs (net/ipv6/addrconf.c:5883)
| [  461.681914][T11232] Preemption disabled at:
| [  461.681915][T11232] vprintk_emit (kernel/printk/printk.c:2471)
| [  461.681925][T11232] Tainted: [W]=WARN
[  461.681926][T11232] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[  461.681928][T11232] Call Trace:
[  461.681930][T11232]  <TASK>
[  461.681932][T11232]  dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120)
[  461.681939][T11232]  ? vprintk_emit (kernel/printk/printk.c:2471)
[  461.681941][T11232]  __might_resched.cold (kernel/sched/core.c:9234)
[  461.681946][T11232]  ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3))
[  461.681950][T11232]  ? __kmalloc_noprof (./include/linux/sched/mm.h:317 mm/slub.c:4636 mm/slub.c:4974 mm/slub.c:5413 mm/slub.c:5439)
[  461.681955][T11232]  __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))
[  461.681957][T11232]  ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[  461.681964][T11232]  ? 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)
[  461.681967][T11232]  alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[  461.681971][T11232]  put_chars (drivers/char/virtio_console.c:1176)
[  461.681974][T11232]  ? __send_to_port (drivers/char/virtio_console.c:654)
[  461.681978][T11232]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380)
[  461.681981][T11232]  ? validate_chain (kernel/locking/lockdep.c:3817 (discriminator 2) kernel/locking/lockdep.c:3837 (discriminator 2) kernel/locking/lockdep.c:3892 (discriminator 2))
[  461.681986][T11232]  hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2))
[  461.681990][T11232]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[  461.681992][T11232]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[  461.681998][T11232]  ? hvc_write (drivers/tty/hvc/hvc_console.c:501)
[  461.682002][T11232]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  461.682004][T11232]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  461.682009][T11232]  console_emit_next_record (kernel/printk/printk.c:3183)
[  461.682013][T11232]  ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20)
[  461.682016][T11232]  ? 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))
[  461.682019][T11232]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  461.682021][T11232]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  461.682026][T11232]  console_flush_one_record (kernel/printk/printk.c:3268)
[  461.682030][T11232]  ? console_emit_next_record (kernel/printk/printk.c:3150)
[  461.682033][T11232]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[  461.682039][T11232]  console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420)
[  461.682042][T11232]  ? console_flush_one_record (kernel/printk/printk.c:3316)
[  461.682044][T11232]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  461.682046][T11232]  ? 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)
[  461.682050][T11232]  ? __down_trylock_console_sem (kernel/printk/printk.c:334)
[  461.682052][T11232]  ? vprintk_emit (kernel/printk/printk.c:2478)
[  461.682055][T11232]  vprintk_emit (kernel/printk/printk.c:2479)
[  461.682058][T11232]  ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126))
[  461.682064][T11232]  _printk (kernel/printk/printk.c:2504)
[  461.682068][T11232]  ? snapshot_read.cold (user.c:?)
[  461.682071][T11232]  ? lockdep_rtnl_is_held (./include/linux/lockdep.h:249 net/core/rtnetlink.c:182)
[  461.682075][T11232]  ? netdev_upper_get_next_dev_rcu (net/core/dev.c:8213 (discriminator 5))
[  461.682079][T11232]  ? __netdev_update_features (net/core/dev.c:11078 (discriminator 2))
[  461.682081][T11232]  ? netdev_name (./include/linux/netdevice.h:5709 (discriminator 1))
[  461.682085][T11232]  ? __netdev_printk (net/core/dev.c:13148 (discriminator 2))
[  461.682090][T11232]  netdev_info (net/core/dev.c:13195 (discriminator 3))
[  461.682093][T11232]  ? netdev_notice (net/core/dev.c:13194)
[  461.682095][T11232]  ? ovs_netdev_link (net/openvswitch/vport-netdev.c:85) openvswitch
[  461.682105][T11232]  ? 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)
[  461.682107][T11232]  __dev_set_promiscuity.cold (net/core/dev.c:9672 (discriminator 3))
[  461.682111][T11232]  netif_set_promiscuity (net/core/dev.c:9699)
[  461.682115][T11232]  dev_set_promiscuity (net/core/dev_api.c:288)
[  461.682117][T11232]  ? dev_disable_lro (net/core/dev_api.c:267)
[  461.682120][T11232] ovs_netdev_link (net/openvswitch/vport-netdev.c:106) openvswitch
[  461.682127][T11232] ovs_vport_add (net/openvswitch/vport.c:209) openvswitch
[  461.682132][T11232] new_vport (net/openvswitch/datapath.c:203) openvswitch
[  461.682137][T11232]  ? ovs_lookup_vport (./include/linux/lockdep.h:249 net/openvswitch/datapath.c:120 net/openvswitch/datapath.c:117 net/openvswitch/datapath.c:190) openvswitch
[  461.682142][T11232] ovs_vport_cmd_new (net/openvswitch/datapath.c:2389) openvswitch
[  461.682148][T11232]  ? ovs_vport_cmd_fill_info.isra.0 (./include/net/netlink.h:1107 (discriminator 1)) openvswitch
[  461.682152][T11232]  ? __nla_validate_parse (lib/nlattr.c:635)
[  461.682159][T11232]  ? __nla_parse (lib/nlattr.c:732)
[  461.682162][T11232]  ? genl_family_rcv_msg_attrs_parse.isra.0 (./include/net/netlink.h:789 (discriminator 2) net/netlink/genetlink.c:944 (discriminator 2))
[  461.682167][T11232]  genl_family_rcv_msg_doit (net/netlink/genetlink.c:1114)
[  461.682171][T11232]  ? genl_family_rcv_msg_attrs_parse.isra.0 (./include/net/netlink.h:785 (discriminator 2))
[  461.682180][T11232]  ? security_capable (security/security.c:660 (discriminator 11))
[  461.682185][T11232]  genl_family_rcv_msg (net/netlink/genetlink.c:1194)
[  461.682189][T11232]  ? genl_family_rcv_msg_dumpit (net/netlink/genetlink.c:1079)
[  461.682192][T11232]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380)
[  461.682194][T11232]  ? ovs_vport_cmd_fill_info.isra.0 (./include/net/netlink.h:1107 (discriminator 1)) openvswitch
[  461.682199][T11232]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[  461.682215][T11232]  genl_rcv_msg (net/netlink/genetlink.c:1209)
[  461.682221][T11232]  netlink_rcv_skb (net/netlink/af_netlink.c:2556)
[  461.682224][T11232]  ? genl_family_rcv_msg (net/netlink/genetlink.c:1136 (discriminator 2))
[  461.682230][T11232]  ? netlink_ack (./include/linux/skbuff.h:2718)
[  461.682243][T11232]  ? 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))
[  461.682246][T11232]  ? 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))
[  461.682250][T11232]  genl_rcv (net/netlink/genetlink.c:1218)
[  461.682253][T11232]  netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[  461.682258][T11232]  ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[  461.682262][T11232]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[  461.682266][T11232]  netlink_sendmsg (net/netlink/af_netlink.c:1900)
[  461.682270][T11232]  ? netlink_unicast (./include/net/net_namespace.h:422 (discriminator 7))
[  461.682272][T11232]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[  461.682276][T11232]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554)
[  461.682281][T11232]  __sock_sendmsg (net/socket.c:800 (discriminator 4) net/socket.c:815 (discriminator 4))
[  461.682284][T11232]  ? fdget (fs/file.c:1200 fs/file.c:1208)
[  461.682288][T11232]  __sys_sendto (net/socket.c:2281)
[  461.682292][T11232]  ? __ia32_sys_getpeername (net/socket.c:2235)
[  461.682304][T11232]  ? exc_page_fault (arch/x86/mm/fault.c:1483 arch/x86/mm/fault.c:1536)
[  461.682311][T11232]  __x64_sys_sendto (net/socket.c:2288 net/socket.c:2284 net/socket.c:2284)
[  461.682313][T11232]  ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22))
[  461.682317][T11232]  ? lockdep_hardirqs_on (kernel/locking/lockdep.c:4488)
[  461.682319][T11232]  ? do_syscall_64 (arch/x86/entry/syscall_64.c:81 (discriminator 44))
[  461.682322][T11232]  do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84)
[  461.682324][T11232]  ? exc_page_fault (arch/x86/mm/fault.c:1489 (discriminator 3) arch/x86/mm/fault.c:1536 (discriminator 3))
[  461.682327][T11232]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[  461.682329][T11232] RIP: 0033:0x7f1d91bf8312
[  461.682334][T11232] Code: 08 0f 85 71 41 ff ff 49 89 fb 48 89 f0 48 89 d7 48 89 ce 4c 89 c2 4d 89 ca 4c 8b 44 24 08 4c 8b 4c 24 10 4c 89 5c 24 08 0f 05 <c3> 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 00 f3 0f 1e fa 55 bf 01 00
All code
========
   0:	08 0f                	or     %cl,(%rdi)
   2:	85 71 41             	test   %esi,0x41(%rcx)
   5:	ff                   	(bad)
   6:	ff 49 89             	decl   -0x77(%rcx)
   9:	fb                   	sti
   a:	48 89 f0             	mov    %rsi,%rax
   d:	48 89 d7             	mov    %rdx,%rdi
  10:	48 89 ce             	mov    %rcx,%rsi
  13:	4c 89 c2             	mov    %r8,%rdx
  16:	4d 89 ca             	mov    %r9,%r10
  19:	4c 8b 44 24 08       	mov    0x8(%rsp),%r8
  1e:	4c 8b 4c 24 10       	mov    0x10(%rsp),%r9
  23:	4c 89 5c 24 08       	mov    %r11,0x8(%rsp)
  28:	0f 05                	syscall
  2a:*	c3                   	ret		<-- trapping instruction
  2b:	66 2e 0f 1f 84 00 00 	cs nopw 0x0(%rax,%rax,1)
  32:	00 00 00 
  35:	0f 1f 00             	nopl   (%rax)
  38:	f3 0f 1e fa          	endbr64
  3c:	55                   	push   %rbp
  3d:	bf                   	.byte 0xbf
  3e:	01 00                	add    %eax,(%rax)

Code starting with the faulting instruction
===========================================
   0:	c3                   	ret
   1:	66 2e 0f 1f 84 00 00 	cs nopw 0x0(%rax,%rax,1)
   8:	00 00 00 
   b:	0f 1f 00             	nopl   (%rax)
   e:	f3 0f 1e fa          	endbr64
  12:	55                   	push   %rbp
  13:	bf                   	.byte 0xbf
  14:	01 00                	add    %eax,(%rax)
[  461.682336][T11232] RSP: 002b:00007ffe03188338 EFLAGS: 00000246 ORIG_RAX: 000000000000002c
[  461.682339][T11232] RAX: ffffffffffffffda RBX: 00007ffe03188468 RCX: 00007f1d91bf8312
[  461.682340][T11232] RDX: 0000000000000038 RSI: 00007f1d8c6ac670 RDI: 0000000000000023
[  461.682341][T11232] RBP: 00007ffe03188360 R08: 00007ffe031884e0 R09: 000000000000000c
[  461.682342][T11232] R10: 0000000000000000 R11: 0000000000000246 R12: 00007f1d8fa66190
[  461.682343][T11232] R13: 00007ffe03188468 R14: 00007f1d9151701a R15: 00007ffe03188858
| [  462.960092][T11259] softirqs last disabled at (405425): __irq_exit_rcu (kernel/softirq.c:679 kernel/softirq.c:519 kernel/softirq.c:767)
| [  462.960096][T11259] Preemption disabled at:
| [  462.960097][T11259] vprintk_emit (kernel/printk/printk.c:2471)
| [  462.960107][T11259] Tainted: [W]=WARN
[  462.960108][T11259] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[  462.960110][T11259] Call Trace:
[  462.960112][T11259]  <TASK>
[  462.960114][T11259]  dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120)
[  462.960123][T11259]  ? vprintk_emit (kernel/printk/printk.c:2471)
[  462.960128][T11259]  __might_resched.cold (kernel/sched/core.c:9234)
[  462.960134][T11259]  ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3))
[  462.960140][T11259]  ? __kmalloc_noprof (./include/linux/sched/mm.h:317 mm/slub.c:4636 mm/slub.c:4974 mm/slub.c:5413 mm/slub.c:5439)
[  462.960146][T11259]  __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))
[  462.960148][T11259]  ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[  462.960157][T11259]  ? 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)
[  462.960161][T11259]  alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[  462.960166][T11259]  put_chars (drivers/char/virtio_console.c:1176)
[  462.960170][T11259]  ? __send_to_port (drivers/char/virtio_console.c:654)
[  462.960175][T11259]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380)
[  462.960179][T11259]  ? validate_chain (kernel/locking/lockdep.c:3817 (discriminator 2) kernel/locking/lockdep.c:3837 (discriminator 2) kernel/locking/lockdep.c:3892 (discriminator 2))
[  462.960185][T11259]  hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2))
[  462.960190][T11259]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[  462.960192][T11259]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[  462.960201][T11259]  ? hvc_write (drivers/tty/hvc/hvc_console.c:501)
[  462.960217][T11259]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  462.960220][T11259]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  462.960225][T11259]  console_emit_next_record (kernel/printk/printk.c:3183)
[  462.960230][T11259]  ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20)
[  462.960233][T11259]  ? 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))
[  462.960237][T11259]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  462.960239][T11259]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  462.960245][T11259]  console_flush_one_record (kernel/printk/printk.c:3268)
[  462.960250][T11259]  ? console_emit_next_record (kernel/printk/printk.c:3150)
[  462.960253][T11259]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[  462.960260][T11259]  console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420)
[  462.960264][T11259]  ? console_flush_one_record (kernel/printk/printk.c:3316)
[  462.960267][T11259]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  462.960271][T11259]  ? 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)
[  462.960277][T11259]  ? __down_trylock_console_sem (kernel/printk/printk.c:334)
[  462.960280][T11259]  ? vprintk_emit (kernel/printk/printk.c:2478)
[  462.960283][T11259]  vprintk_emit (kernel/printk/printk.c:2479)
[  462.960288][T11259]  ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126))
[  462.960294][T11259]  _printk (kernel/printk/printk.c:2504)
[  462.960298][T11259]  ? snapshot_read.cold (user.c:?)
[  462.960302][T11259]  ? lockdep_rtnl_is_held (./include/linux/lockdep.h:249 net/core/rtnetlink.c:182)
[  462.960305][T11259]  ? netdev_upper_get_next_dev_rcu (net/core/dev.c:8213 (discriminator 5))
[  462.960309][T11259]  ? 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)
[  462.960311][T11259]  ? __netdev_update_features (net/core/dev.c:11078 (discriminator 2))
[  462.960313][T11259]  ? netdev_name (./include/linux/netdevice.h:5709 (discriminator 1))
[  462.960317][T11259]  ? __netdev_printk (net/core/dev.c:13148 (discriminator 2))
[  462.960323][T11259]  netdev_info (net/core/dev.c:13195 (discriminator 3))
[  462.960329][T11259]  ? netdev_notice (net/core/dev.c:13194)
[  462.960333][T11259]  ? ovs_netdev_link (net/openvswitch/vport-netdev.c:85) openvswitch
[  462.960351][T11259]  ? 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)
[  462.960359][T11259]  __dev_set_promiscuity.cold (net/core/dev.c:9672 (discriminator 3))
[  462.960366][T11259]  netif_set_promiscuity (net/core/dev.c:9699)
[  462.960371][T11259]  dev_set_promiscuity (net/core/dev_api.c:288)
[  462.960374][T11259]  ? dev_disable_lro (net/core/dev_api.c:267)
[  462.960377][T11259] ovs_netdev_link (net/openvswitch/vport-netdev.c:106) openvswitch
[  462.960385][T11259] ovs_vport_add (net/openvswitch/vport.c:209) openvswitch
[  462.960391][T11259] new_vport (net/openvswitch/datapath.c:203) openvswitch
[  462.960397][T11259]  ? ovs_lookup_vport (./include/linux/lockdep.h:249 net/openvswitch/datapath.c:120 net/openvswitch/datapath.c:117 net/openvswitch/datapath.c:190) openvswitch
[  462.960403][T11259] ovs_vport_cmd_new (net/openvswitch/datapath.c:2389) openvswitch
[  462.960417][T11259]  ? ovs_vport_cmd_fill_info.isra.0 (./include/net/netlink.h:1107 (discriminator 1)) openvswitch
[  462.960423][T11259]  ? __nla_validate_parse (lib/nlattr.c:635)
[  462.960431][T11259]  ? __nla_parse (lib/nlattr.c:732)
[  462.960434][T11259]  ? genl_family_rcv_msg_attrs_parse.isra.0 (./include/net/netlink.h:789 (discriminator 2) net/netlink/genetlink.c:944 (discriminator 2))
[  462.960441][T11259]  genl_family_rcv_msg_doit (net/netlink/genetlink.c:1114)
[  462.960445][T11259]  ? genl_family_rcv_msg_attrs_parse.isra.0 (./include/net/netlink.h:785 (discriminator 2))
[  462.960457][T11259]  ? security_capable (security/security.c:660 (discriminator 11))
[  462.960463][T11259]  genl_family_rcv_msg (net/netlink/genetlink.c:1194)
[  462.960472][T11259]  ? genl_family_rcv_msg_dumpit (net/netlink/genetlink.c:1079)
[  462.960477][T11259]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380)
[  462.960480][T11259]  ? ovs_vport_cmd_fill_info.isra.0 (./include/net/netlink.h:1107 (discriminator 1)) openvswitch
[  462.960487][T11259]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[  462.960495][T11259]  genl_rcv_msg (net/netlink/genetlink.c:1209)
[  462.960500][T11259]  netlink_rcv_skb (net/netlink/af_netlink.c:2556)
[  462.960503][T11259]  ? genl_family_rcv_msg (net/netlink/genetlink.c:1136 (discriminator 2))
[  462.960507][T11259]  ? netlink_ack (./include/linux/skbuff.h:2718)
[  462.960517][T11259]  ? 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))
[  462.960519][T11259]  ? 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))
[  462.960526][T11259]  genl_rcv (net/netlink/genetlink.c:1218)
[  462.960530][T11259]  netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[  462.960538][T11259]  ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[  462.960543][T11259]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[  462.960548][T11259]  netlink_sendmsg (net/netlink/af_netlink.c:1900)
[  462.960552][T11259]  ? netlink_unicast (./include/net/net_namespace.h:422 (discriminator 7))
[  462.960554][T11259]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[  462.960558][T11259]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554)
[  462.960564][T11259]  __sock_sendmsg (net/socket.c:800 (discriminator 4) net/socket.c:815 (discriminator 4))
[  462.960567][T11259]  ? fdget (fs/file.c:1200 fs/file.c:1208)
[  462.960571][T11259]  __sys_sendto (net/socket.c:2281)
[  462.960575][T11259]  ? __ia32_sys_getpeername (net/socket.c:2235)
[  462.960581][T11259]  ? do_futex (kernel/futex/syscalls.c:138)
[  462.960585][T11259]  ? __ia32_sys_get_robust_list (kernel/futex/syscalls.c:94)
[  462.960597][T11259]  ? exc_page_fault (arch/x86/mm/fault.c:1483 arch/x86/mm/fault.c:1536)
[  462.960602][T11259]  ? do_futex (kernel/futex/syscalls.c:153 (discriminator 1))
[  462.960607][T11259]  __x64_sys_sendto (net/socket.c:2288 net/socket.c:2284 net/socket.c:2284)
[  462.960609][T11259]  ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22))
[  462.960613][T11259]  ? lockdep_hardirqs_on (kernel/locking/lockdep.c:4488)
[  462.960615][T11259]  ? do_syscall_64 (arch/x86/entry/syscall_64.c:81 (discriminator 44))
[  462.960618][T11259]  do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84)
[  462.960620][T11259]  ? exc_page_fault (arch/x86/mm/fault.c:1489 (discriminator 3) arch/x86/mm/fault.c:1536 (discriminator 3))
[  462.960624][T11259]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[  462.960626][T11259] RIP: 0033:0x7f02a8777312
[  462.960630][T11259] Code: 08 0f 85 71 41 ff ff 49 89 fb 48 89 f0 48 89 d7 48 89 ce 4c 89 c2 4d 89 ca 4c 8b 44 24 08 4c 8b 4c 24 10 4c 89 5c 24 08 0f 05 <c3> 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 00 f3 0f 1e fa 55 bf 01 00
All code
========
   0:	08 0f                	or     %cl,(%rdi)
   2:	85 71 41             	test   %esi,0x41(%rcx)
   5:	ff                   	(bad)
   6:	ff 49 89             	decl   -0x77(%rcx)
   9:	fb                   	sti
   a:	48 89 f0             	mov    %rsi,%rax
   d:	48 89 d7             	mov    %rdx,%rdi
  10:	48 89 ce             	mov    %rcx,%rsi
  13:	4c 89 c2             	mov    %r8,%rdx
  16:	4d 89 ca             	mov    %r9,%r10
  19:	4c 8b 44 24 08       	mov    0x8(%rsp),%r8
  1e:	4c 8b 4c 24 10       	mov    0x10(%rsp),%r9
  23:	4c 89 5c 24 08       	mov    %r11,0x8(%rsp)
  28:	0f 05                	syscall
  2a:*	c3                   	ret		<-- trapping instruction
  2b:	66 2e 0f 1f 84 00 00 	cs nopw 0x0(%rax,%rax,1)
  32:	00 00 00 
  35:	0f 1f 00             	nopl   (%rax)
  38:	f3 0f 1e fa          	endbr64
  3c:	55                   	push   %rbp
  3d:	bf                   	.byte 0xbf
  3e:	01 00                	add    %eax,(%rax)

Code starting with the faulting instruction
===========================================
   0:	c3                   	ret
   1:	66 2e 0f 1f 84 00 00 	cs nopw 0x0(%rax,%rax,1)
   8:	00 00 00 
   b:	0f 1f 00             	nopl   (%rax)
   e:	f3 0f 1e fa          	endbr64
  12:	55                   	push   %rbp
  13:	bf                   	.byte 0xbf
  14:	01 00                	add    %eax,(%rax)
[  462.960632][T11259] RSP: 002b:00007ffe2ca66d88 EFLAGS: 00000246 ORIG_RAX: 000000000000002c
[  462.960635][T11259] RAX: ffffffffffffffda RBX: 00007ffe2ca66eb8 RCX: 00007f02a8777312
[  462.960637][T11259] RDX: 0000000000000038 RSI: 00007f02a4244bb0 RDI: 0000000000000023
[  462.960638][T11259] RBP: 00007ffe2ca66db0 R08: 00007ffe2ca66f30 R09: 000000000000000c
[  462.960640][T11259] R10: 0000000000000000 R11: 0000000000000246 R12: 00007f02a65de190
[  462.960642][T11259] R13: 00007ffe2ca66eb8 R14: 00007f02a809601a R15: 00007ffe2ca672a8
| [  473.025337][   T12] softirqs last disabled at (9882052): __neigh_ifdown.isra.0 (./include/linux/spinlock.h:353 net/core/neighbour.c:464)
| [  473.025340][   T12] Preemption disabled at:
| [  473.025340][   T12] vprintk_emit (kernel/printk/printk.c:2471)
| [  473.025350][   T12] Tainted: [W]=WARN
[  473.025350][   T12] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[  473.025353][   T12] Workqueue: netns cleanup_net
[  473.025356][   T12] Call Trace:
[  473.025358][   T12]  <TASK>
[  473.025360][   T12]  dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120)
[  473.025366][   T12]  ? vprintk_emit (kernel/printk/printk.c:2471)
[  473.025368][   T12]  __might_resched.cold (kernel/sched/core.c:9234)
[  473.025372][   T12]  ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3))
[  473.025376][   T12]  ? __kmalloc_noprof (./include/linux/sched/mm.h:317 mm/slub.c:4636 mm/slub.c:4974 mm/slub.c:5413 mm/slub.c:5439)
[  473.025381][   T12]  __kmalloc_noprof (./include/linux/sched/mm.h:322 (discriminator 2) mm/slub.c:4636 (discriminator 2) mm/slub.c:4974 (discriminator 2) mm/slub.c:5413 (discriminator 2) mm/slub.c:5439 (discriminator 2))
[  473.025383][   T12]  ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[  473.025390][   T12]  ? do_raw_spin_unlock (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:32 ./include/asm-generic/qspinlock.h:58 kernel/locking/spinlock_debug.c:101 kernel/locking/spinlock_debug.c:141)
[  473.025392][   T12]  alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[  473.025397][   T12]  put_chars (drivers/char/virtio_console.c:1176)
[  473.025398][   T12]  ? prb_final_commit (kernel/printk/printk_ringbuffer.c:1842)
[  473.025401][   T12]  ? __send_to_port (drivers/char/virtio_console.c:654)
[  473.025405][   T12]  ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4116 (discriminator 3) kernel/rcu/tree.c:4108 (discriminator 3))
[  473.025408][   T12]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380)
[  473.025411][   T12]  ? validate_chain (kernel/locking/lockdep.c:3817 (discriminator 2) kernel/locking/lockdep.c:3837 (discriminator 2) kernel/locking/lockdep.c:3892 (discriminator 2))
[  473.025415][   T12]  hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2))
[  473.025420][   T12]  ? mark_usage (kernel/locking/lockdep.c:4690)
[  473.025422][   T12]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[  473.025424][   T12]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[  473.025428][   T12]  ? hvc_write (drivers/tty/hvc/hvc_console.c:501)
[  473.025431][   T12]  ? console_emit_next_record (kernel/printk/printk.c:3095 (discriminator 2) kernel/printk/printk.c:3182 (discriminator 2))
[  473.025435][   T12]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  473.025437][   T12]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  473.025442][   T12]  console_emit_next_record (kernel/printk/printk.c:3183)
[  473.025446][   T12]  ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20)
[  473.025448][   T12]  ? console_flush_one_record (./include/linux/rcupdate.h:314 (discriminator 2) ./include/linux/srcu.h:439 (discriminator 2) kernel/printk/printk.c:291 (discriminator 2) kernel/printk/printk.c:3246 (discriminator 2))
[  473.025452][   T12]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  473.025454][   T12]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  473.025458][   T12]  console_flush_one_record (kernel/printk/printk.c:3268)
[  473.025463][   T12]  ? console_emit_next_record (kernel/printk/printk.c:3150)
[  473.025465][   T12]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[  473.025471][   T12]  console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420)
[  473.025474][   T12]  ? console_flush_one_record (kernel/printk/printk.c:3316)
[  473.025476][   T12]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  473.025478][   T12]  ? lock_acquire (./include/linux/srcutree.h:374 ./include/linux/srcu.h:541 ./include/linux/srcu.h:645 ./include/trace/events/lock.h:23 ./include/trace/events/lock.h:23 kernel/locking/lockdep.c:5871)
[  473.025482][   T12]  ? __down_trylock_console_sem (kernel/printk/printk.c:334)
[  473.025484][   T12]  ? vprintk_emit (kernel/printk/printk.c:2478)
[  473.025487][   T12]  vprintk_emit (kernel/printk/printk.c:2479)
[  473.025491][   T12]  ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126))
[  473.025494][   T12]  ? net_disable_timestamp (./include/linux/workqueue.h:761)
[  473.025496][   T12]  ? net_generic (./include/linux/rcupdate.h:882 ./include/net/netns/generic.h:48) vxlan
[  473.025505][   T12]  _printk (kernel/printk/printk.c:2504)
[  473.025509][   T12]  ? snapshot_read.cold (user.c:?)
[  473.025514][   T12]  ? netdev_name (./include/linux/netdevice.h:5709 (discriminator 1))
[  473.025518][   T12]  ? __netdev_printk (net/core/dev.c:13148 (discriminator 2))
[  473.025522][   T12]  netdev_info (net/core/dev.c:13195 (discriminator 3))
[  473.025526][   T12]  ? netdev_notice (net/core/dev.c:13194)
[  473.025527][   T12]  ? __netdev_upper_dev_unlink (net/core/dev.c:9094)
[  473.025532][   T12]  ? synchronize_rcu_expedited (kernel/rcu/tree_exp.h:985)
[  473.025537][   T12]  ? 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)
[  473.025540][   T12]  __dev_set_promiscuity.cold (net/core/dev.c:9672 (discriminator 3))
[  473.025544][   T12]  netif_set_promiscuity (net/core/dev.c:9699)
[  473.025548][   T12]  dev_set_promiscuity (net/core/dev_api.c:288)
[  473.025550][   T12]  ? rtnl_is_locked (net/core/rtnetlink.c:169)
[  473.025554][   T12] ovs_netdev_detach_dev (net/openvswitch/vport-netdev.c:174) openvswitch
[  473.025561][   T12] dp_device_event (net/openvswitch/dp_notify.c:74) openvswitch
[  473.025566][   T12]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  473.025569][   T12]  notifier_call_chain (kernel/notifier.c:85)
[  473.025575][   T12]  unregister_netdevice_many_notify (net/core/dev.c:2313 net/core/dev.c:2327 net/core/dev.c:12518)
[  473.025581][   T12]  ? unregister_netdevice_queued (./include/linux/list.h:419 (discriminator 3))
[  473.025589][   T12]  default_device_exit_batch (net/core/dev.c:12589 net/core/dev.c:13288)
[  473.025593][   T12]  ? unregister_netdevice_queue (./include/linux/list.h:173)
[  473.025595][   T12]  ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3))
[  473.025598][   T12]  ? fou_exit_net (net/ipv4/fou_core.c:1228)
[  473.025603][   T12]  ops_undo_list (net/core/net_namespace.c:206 net/core/net_namespace.c:253)
[  473.025607][   T12]  ? lockdep_hardirqs_on (kernel/locking/lockdep.c:4488)
[  473.025611][   T12]  ? netns_install (./include/linux/ns_common.h:26)
[  473.025613][   T12]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554)
[  473.025617][   T12]  ? idr_destroy (lib/radix-tree.c:310 lib/radix-tree.c:674 lib/radix-tree.c:1563)
[  473.025622][   T12]  cleanup_net (net/core/net_namespace.c:706)
[  473.025625][   T12]  ? net_passive_dec (./include/linux/llist.h:241)
[  473.025629][   T12]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  473.025631][   T12]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  473.025635][   T12]  process_one_work (kernel/workqueue.c:3387)
[  473.025642][   T12]  ? __queue_delayed_work (kernel/workqueue.c:2622)
[  473.025645][   T12]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2))
[  473.025654][   T12]  worker_thread (kernel/workqueue.c:3470 kernel/workqueue.c:3551)
[  473.025664][   T12]  ? rescuer_thread (./include/linux/list.h:419 (discriminator 3))
[  473.025667][   T12]  kthread (kernel/kthread.c:436)
[  473.025669][   T12]  ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22))
[  473.025673][   T12]  ? kthread_affine_preferred (kernel/kthread.c:857)
[  473.025676][   T12]  ret_from_fork (arch/x86/kernel/process.c:158)
[  473.025681][   T12]  ? arch_exit_to_user_mode_prepare.isra.0 (arch/x86/entry/vdso/vma.c:80 (discriminator 1))
[  473.025684][   T12]  ? __switch_to (arch/x86/kernel/process_64.c:403 arch/x86/kernel/process_64.c:663)
[  473.025688][   T12]  ? kthread_affine_preferred (kernel/kthread.c:857)
[  473.025691][   T12]  ret_from_fork_asm (arch/x86/entry/entry_64.S:245)
| [  475.251681][T11472] softirqs last disabled at (384518): inet6_fill_ifla6_attrs (net/ipv6/addrconf.c:5883)
| [  475.251684][T11472] Preemption disabled at:
| [  475.251685][T11472] vprintk_emit (kernel/printk/printk.c:2471)
| [  475.251699][T11472] Tainted: [W]=WARN
[  475.251700][T11472] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[  475.251703][T11472] Call Trace:
[  475.251705][T11472]  <TASK>
[  475.251708][T11472]  dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120)
[  475.251717][T11472]  ? vprintk_emit (kernel/printk/printk.c:2471)
[  475.251721][T11472]  __might_resched.cold (kernel/sched/core.c:9234)
[  475.251728][T11472]  ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3))
[  475.251735][T11472]  ? __kmalloc_noprof (./include/linux/sched/mm.h:317 mm/slub.c:4636 mm/slub.c:4974 mm/slub.c:5413 mm/slub.c:5439)
[  475.251743][T11472]  __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))
[  475.251748][T11472]  ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[  475.251763][T11472]  ? 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)
[  475.251768][T11472]  alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[  475.251775][T11472]  put_chars (drivers/char/virtio_console.c:1176)
[  475.251779][T11472]  ? __send_to_port (drivers/char/virtio_console.c:654)
[  475.251783][T11472]  ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4116 (discriminator 3) kernel/rcu/tree.c:4108 (discriminator 3))
[  475.251791][T11472]  ? validate_chain (kernel/locking/lockdep.c:3817 (discriminator 2) kernel/locking/lockdep.c:3837 (discriminator 2) kernel/locking/lockdep.c:3892 (discriminator 2))
[  475.251806][T11472]  hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2))
[  475.251826][T11472]  ? hvc_write (drivers/tty/hvc/hvc_console.c:501)
[  475.251831][T11472]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  475.251835][T11472]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  475.251843][T11472]  console_emit_next_record (kernel/printk/printk.c:3183)
[  475.251850][T11472]  ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20)
[  475.251853][T11472]  ? 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))
[  475.251860][T11472]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  475.251863][T11472]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  475.251871][T11472]  console_flush_one_record (kernel/printk/printk.c:3268)
[  475.251879][T11472]  ? console_emit_next_record (kernel/printk/printk.c:3150)
[  475.251883][T11472]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[  475.251893][T11472]  console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420)
[  475.251904][T11472]  ? console_flush_one_record (kernel/printk/printk.c:3316)
[  475.251907][T11472]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  475.251911][T11472]  ? 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)
[  475.251918][T11472]  ? __down_trylock_console_sem (kernel/printk/printk.c:334)
[  475.251921][T11472]  ? vprintk_emit (kernel/printk/printk.c:2478)
[  475.251927][T11472]  vprintk_emit (kernel/printk/printk.c:2479)
[  475.251934][T11472]  ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126))
[  475.251939][T11472]  ? net_disable_timestamp (./include/linux/workqueue.h:761)
[  475.251944][T11472]  ? net_generic (./include/linux/rcupdate.h:882 ./include/net/netns/generic.h:48) vxlan
[  475.251957][T11472]  _printk (kernel/printk/printk.c:2504)
[  475.251963][T11472]  ? snapshot_read.cold (user.c:?)
[  475.251972][T11472]  ? netdev_name (./include/linux/netdevice.h:5709 (discriminator 1))
[  475.251978][T11472]  ? __netdev_printk (net/core/dev.c:13148 (discriminator 2))
[  475.251985][T11472]  netdev_info (net/core/dev.c:13195 (discriminator 3))
[  475.251990][T11472]  ? netdev_notice (net/core/dev.c:13194)
[  475.251993][T11472]  ? __netdev_upper_dev_unlink (net/core/dev.c:9094)
[  475.252001][T11472]  ? synchronize_rcu_expedited (kernel/rcu/tree_exp.h:985)
[  475.252012][T11472]  ? 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)
[  475.252017][T11472]  __dev_set_promiscuity.cold (net/core/dev.c:9672 (discriminator 3))
[  475.252023][T11472]  netif_set_promiscuity (net/core/dev.c:9699)
[  475.252030][T11472]  dev_set_promiscuity (net/core/dev_api.c:288)
[  475.252033][T11472]  ? rtnl_is_locked (net/core/rtnetlink.c:169)
[  475.252039][T11472] ovs_netdev_detach_dev (net/openvswitch/vport-netdev.c:174) openvswitch
[  475.252047][T11472]  ? netdev_destroy (net/openvswitch/vport-netdev.c:189) openvswitch
[  475.252055][T11472] netdev_destroy (net/openvswitch/vport-netdev.c:194) openvswitch
[  475.252064][T11472] ovs_vport_cmd_del (net/openvswitch/datapath.c:2505) openvswitch
[  475.252079][T11472]  genl_family_rcv_msg_doit (net/netlink/genetlink.c:1114)
[  475.252087][T11472]  ? genl_family_rcv_msg_attrs_parse.isra.0 (./include/net/netlink.h:785 (discriminator 2))
[  475.252104][T11472]  ? security_capable (security/security.c:660 (discriminator 11))
[  475.252111][T11472]  genl_family_rcv_msg (net/netlink/genetlink.c:1194)
[  475.252118][T11472]  ? genl_family_rcv_msg_dumpit (net/netlink/genetlink.c:1079)
[  475.252123][T11472]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380)
[  475.252127][T11472]  ? ovs_dp_detach_port (./include/linux/list.h:1047 (discriminator 2)) openvswitch
[  475.252135][T11472]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[  475.252147][T11472]  genl_rcv_msg (net/netlink/genetlink.c:1209)
[  475.252153][T11472]  netlink_rcv_skb (net/netlink/af_netlink.c:2556)
[  475.252157][T11472]  ? genl_family_rcv_msg (net/netlink/genetlink.c:1136 (discriminator 2))
[  475.252163][T11472]  ? netlink_ack (./include/linux/skbuff.h:2718)
[  475.252177][T11472]  ? 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))
[  475.252181][T11472]  ? 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))
[  475.252190][T11472]  genl_rcv (net/netlink/genetlink.c:1218)
[  475.252193][T11472]  netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[  475.252201][T11472]  ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[  475.252208][T11472]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[  475.252215][T11472]  netlink_sendmsg (net/netlink/af_netlink.c:1900)
[  475.252223][T11472]  ? netlink_unicast (./include/net/net_namespace.h:422 (discriminator 7))
[  475.252226][T11472]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[  475.252231][T11472]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554)
[  475.252241][T11472]  __sock_sendmsg (net/socket.c:800 (discriminator 4) net/socket.c:815 (discriminator 4))
[  475.252245][T11472]  ? fdget (fs/file.c:1200 fs/file.c:1208)
[  475.252251][T11472]  __sys_sendto (net/socket.c:2281)
[  475.252257][T11472]  ? __ia32_sys_getpeername (net/socket.c:2235)
[  475.252280][T11472]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554)
[  475.252294][T11472]  __x64_sys_sendto (net/socket.c:2288 net/socket.c:2284 net/socket.c:2284)
[  475.252297][T11472]  ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22))
[  475.252303][T11472]  ? lockdep_hardirqs_on (kernel/locking/lockdep.c:4488)
[  475.252307][T11472]  ? do_syscall_64 (arch/x86/entry/syscall_64.c:81 (discriminator 44))
[  475.252311][T11472]  do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84)
[  475.252314][T11472]  ? irq_exit_rcu (kernel/softirq.c:786)
[  475.252320][T11472]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[  475.252324][T11472] RIP: 0033:0x7f0e6f08f312
[  475.252330][T11472] Code: 08 0f 85 71 41 ff ff 49 89 fb 48 89 f0 48 89 d7 48 89 ce 4c 89 c2 4d 89 ca 4c 8b 44 24 08 4c 8b 4c 24 10 4c 89 5c 24 08 0f 05 <c3> 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 00 f3 0f 1e fa 55 bf 01 00
All code
========
   0:	08 0f                	or     %cl,(%rdi)
   2:	85 71 41             	test   %esi,0x41(%rcx)
   5:	ff                   	(bad)
   6:	ff 49 89             	decl   -0x77(%rcx)
   9:	fb                   	sti
   a:	48 89 f0             	mov    %rsi,%rax
   d:	48 89 d7             	mov    %rdx,%rdi
  10:	48 89 ce             	mov    %rcx,%rsi
  13:	4c 89 c2             	mov    %r8,%rdx
  16:	4d 89 ca             	mov    %r9,%r10
  19:	4c 8b 44 24 08       	mov    0x8(%rsp),%r8
  1e:	4c 8b 4c 24 10       	mov    0x10(%rsp),%r9
  23:	4c 89 5c 24 08       	mov    %r11,0x8(%rsp)
  28:	0f 05                	syscall
  2a:*	c3                   	ret		<-- trapping instruction
  2b:	66 2e 0f 1f 84 00 00 	cs nopw 0x0(%rax,%rax,1)
  32:	00 00 00 
  35:	0f 1f 00             	nopl   (%rax)
  38:	f3 0f 1e fa          	endbr64
  3c:	55                   	push   %rbp
  3d:	bf                   	.byte 0xbf
  3e:	01 00                	add    %eax,(%rax)

Code starting with the faulting instruction
===========================================
   0:	c3                   	ret
   1:	66 2e 0f 1f 84 00 00 	cs nopw 0x0(%rax,%rax,1)
   8:	00 00 00 
   b:	0f 1f 00             	nopl   (%rax)
   e:	f3 0f 1e fa          	endbr64
  12:	55                   	push   %rbp
  13:	bf                   	.byte 0xbf
  14:	01 00                	add    %eax,(%rax)
[  475.252333][T11472] RSP: 002b:00007ffde6fb2608 EFLAGS: 00000246 ORIG_RAX: 000000000000002c
[  475.252337][T11472] RAX: ffffffffffffffda RBX: 00007ffde6fb2738 RCX: 00007f0e6f08f312
[  475.252339][T11472] RDX: 0000000000000028 RSI: 00007f0e6c4b8570 RDI: 0000000000000023
[  475.252341][T11472] RBP: 00007ffde6fb2630 R08: 00007ffde6fb27b0 R09: 000000000000000c
[  475.252343][T11472] R10: 0000000000000000 R11: 0000000000000246 R12: 00007f0e6cef5fd0
[  475.252345][T11472] R13: 00007ffde6fb2738 R14: 00007f0e6e9ae01a R15: 00007ffde6fb2b28
| [  480.291082][T11592] softirqs last disabled at (381160): __alloc_skb (./include/linux/bottom_half.h:20 (discriminator 2) net/core/skbuff.c:697 (discriminator 2))
| [  480.291085][T11592] Preemption disabled at:
| [  480.291085][T11592] vprintk_emit (kernel/printk/printk.c:2471)
| [  480.291094][T11592] Tainted: [W]=WARN
[  480.291095][T11592] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[  480.291097][T11592] Call Trace:
[  480.291098][T11592]  <TASK>
[  480.291100][T11592]  dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120)
[  480.291106][T11592]  ? vprintk_emit (kernel/printk/printk.c:2471)
[  480.291108][T11592]  __might_resched.cold (kernel/sched/core.c:9234)
[  480.291112][T11592]  ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3))
[  480.291118][T11592]  ? __kmalloc_noprof (./include/linux/sched/mm.h:317 mm/slub.c:4636 mm/slub.c:4974 mm/slub.c:5413 mm/slub.c:5439)
[  480.291125][T11592]  __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))
[  480.291127][T11592]  ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[  480.291134][T11592]  ? 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)
[  480.291137][T11592]  alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[  480.291141][T11592]  put_chars (drivers/char/virtio_console.c:1176)
[  480.291143][T11592]  ? __send_to_port (drivers/char/virtio_console.c:654)
[  480.291146][T11592]  ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4116 (discriminator 3) kernel/rcu/tree.c:4108 (discriminator 3))
[  480.291149][T11592]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380)
[  480.291152][T11592]  ? validate_chain (kernel/locking/lockdep.c:3817 (discriminator 2) kernel/locking/lockdep.c:3837 (discriminator 2) kernel/locking/lockdep.c:3892 (discriminator 2))
[  480.291157][T11592]  hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2))
[  480.291161][T11592]  ? mark_usage (kernel/locking/lockdep.c:4690)
[  480.291163][T11592]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[  480.291165][T11592]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[  480.291169][T11592]  ? hvc_write (drivers/tty/hvc/hvc_console.c:501)
[  480.291172][T11592]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2))
[  480.291179][T11592]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  480.291183][T11592]  console_emit_next_record (kernel/printk/printk.c:3183)
[  480.291187][T11592]  ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20)
[  480.291189][T11592]  ? 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))
[  480.291193][T11592]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  480.291195][T11592]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  480.291199][T11592]  console_flush_one_record (kernel/printk/printk.c:3268)
[  480.291203][T11592]  ? console_emit_next_record (kernel/printk/printk.c:3150)
[  480.291205][T11592]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[  480.291211][T11592]  console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420)
[  480.291214][T11592]  ? console_flush_one_record (kernel/printk/printk.c:3316)
[  480.291216][T11592]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  480.291218][T11592]  ? 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)
[  480.291225][T11592]  ? __down_trylock_console_sem (kernel/printk/printk.c:334)
[  480.291227][T11592]  ? vprintk_emit (kernel/printk/printk.c:2478)
[  480.291230][T11592]  vprintk_emit (kernel/printk/printk.c:2479)
[  480.291234][T11592]  ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126))
[  480.291236][T11592]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554)
[  480.291238][T11592]  ? genl_family_rcv_msg (net/netlink/genetlink.c:1194)
[  480.291243][T11592]  _printk (kernel/printk/printk.c:2504)
[  480.291246][T11592]  ? snapshot_read.cold (user.c:?)
[  480.291248][T11592]  ? ___ratelimit (lib/ratelimit.c:97 (discriminator 3))
[  480.291254][T11592]  ? idr_get_free (??:?)
[  480.291259][T11592]  validate_nla.cold (lib/nlattr.c:414 (discriminator 4))
[  480.291272][T11592]  ? nla_get_range_signed (lib/nlattr.c:270)
[  480.291278][T11592]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  480.291280][T11592]  ? trace_kmalloc (./include/trace/events/kmem.h:57 (discriminator 22))
[  480.291284][T11592]  __nla_validate_parse (lib/nlattr.c:635)
[  480.291289][T11592]  __nla_parse (lib/nlattr.c:732)
[  480.291292][T11592]  genl_family_rcv_msg_attrs_parse.isra.0 (./include/net/netlink.h:789 (discriminator 2) net/netlink/genetlink.c:944 (discriminator 2))
[  480.291297][T11592]  genl_family_rcv_msg_doit (net/netlink/genetlink.c:1092)
[  480.291301][T11592]  ? genl_family_rcv_msg_attrs_parse.isra.0 (./include/net/netlink.h:785 (discriminator 2))
[  480.291310][T11592]  ? security_capable (security/security.c:660 (discriminator 11))
[  480.291317][T11592]  genl_family_rcv_msg (net/netlink/genetlink.c:1194)
[  480.291330][T11592]  ? genl_family_rcv_msg_dumpit (net/netlink/genetlink.c:1079)
[  480.291333][T11592]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380)
[  480.291336][T11592]  ? ovs_dp_cmd_get (./include/net/net_namespace.h:422 (discriminator 7)) openvswitch
[  480.291344][T11592]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[  480.291349][T11592]  genl_rcv_msg (net/netlink/genetlink.c:1209)
[  480.291353][T11592]  netlink_rcv_skb (net/netlink/af_netlink.c:2556)
[  480.291355][T11592]  ? genl_family_rcv_msg (net/netlink/genetlink.c:1136 (discriminator 2))
[  480.291359][T11592]  ? netlink_ack (./include/linux/skbuff.h:2718)
[  480.291366][T11592]  ? 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))
[  480.291369][T11592]  ? 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))
[  480.291377][T11592]  genl_rcv (net/netlink/genetlink.c:1218)
[  480.291381][T11592]  netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[  480.291387][T11592]  ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[  480.291391][T11592]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[  480.291395][T11592]  netlink_sendmsg (net/netlink/af_netlink.c:1900)
[  480.291399][T11592]  ? netlink_unicast (./include/net/net_namespace.h:422 (discriminator 7))
[  480.291401][T11592]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[  480.291405][T11592]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554)
[  480.291410][T11592]  __sock_sendmsg (net/socket.c:800 (discriminator 4) net/socket.c:815 (discriminator 4))
[  480.291412][T11592]  ? fdget (fs/file.c:1200 fs/file.c:1208)
[  480.291417][T11592]  __sys_sendto (net/socket.c:2281)
[  480.291420][T11592]  ? __ia32_sys_getpeername (net/socket.c:2235)
[  480.291425][T11592]  ? lockdep_hardirqs_on_prepare.part.0 (kernel/locking/lockdep.c:470 (discriminator 2) kernel/locking/lockdep.c:4427 (discriminator 2))
[  480.291428][T11592]  ? lockdep_hardirqs_on (kernel/locking/lockdep.c:4488)
[  480.291430][T11592]  ? _raw_spin_unlock_irq (./include/linux/spinlock_api_smp.h:219 kernel/locking/spinlock.c:229)
[  480.291433][T11592]  ? _raw_spin_unlock_irq (./include/linux/spinlock_api_smp.h:220 (discriminator 1) kernel/locking/spinlock.c:229 (discriminator 1))
[  480.291440][T11592]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554)
[  480.291444][T11592]  __x64_sys_sendto (net/socket.c:2288 net/socket.c:2284 net/socket.c:2284)
[  480.291446][T11592]  ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22))
[  480.291450][T11592]  ? lockdep_hardirqs_on (kernel/locking/lockdep.c:4488)
[  480.291452][T11592]  ? do_syscall_64 (arch/x86/entry/syscall_64.c:81 (discriminator 44))
[  480.291454][T11592]  do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84)
[  480.291456][T11592]  ? irq_exit_rcu (kernel/softirq.c:786)
[  480.291460][T11592]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[  480.291463][T11592] RIP: 0033:0x7ff14970e312
[  480.291466][T11592] Code: 08 0f 85 71 41 ff ff 49 89 fb 48 89 f0 48 89 d7 48 89 ce 4c 89 c2 4d 89 ca 4c 8b 44 24 08 4c 8b 4c 24 10 4c 89 5c 24 08 0f 05 <c3> 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 00 f3 0f 1e fa 55 bf 01 00
All code
========
   0:	08 0f                	or     %cl,(%rdi)
   2:	85 71 41             	test   %esi,0x41(%rcx)
   5:	ff                   	(bad)
   6:	ff 49 89             	decl   -0x77(%rcx)
   9:	fb                   	sti
   a:	48 89 f0             	mov    %rsi,%rax
   d:	48 89 d7             	mov    %rdx,%rdi
  10:	48 89 ce             	mov    %rcx,%rsi
  13:	4c 89 c2             	mov    %r8,%rdx
  16:	4d 89 ca             	mov    %r9,%r10
  19:	4c 8b 44 24 08       	mov    0x8(%rsp),%r8
  1e:	4c 8b 4c 24 10       	mov    0x10(%rsp),%r9
  23:	4c 89 5c 24 08       	mov    %r11,0x8(%rsp)
  28:	0f 05                	syscall
  2a:*	c3                   	ret		<-- trapping instruction
  2b:	66 2e 0f 1f 84 00 00 	cs nopw 0x0(%rax,%rax,1)
  32:	00 00 00 
  35:	0f 1f 00             	nopl   (%rax)
  38:	f3 0f 1e fa          	endbr64
  3c:	55                   	push   %rbp
  3d:	bf                   	.byte 0xbf
  3e:	01 00                	add    %eax,(%rax)

Code starting with the faulting instruction
===========================================
   0:	c3                   	ret
   1:	66 2e 0f 1f 84 00 00 	cs nopw 0x0(%rax,%rax,1)
   8:	00 00 00 
   b:	0f 1f 00             	nopl   (%rax)
   e:	f3 0f 1e fa          	endbr64
  12:	55                   	push   %rbp
  13:	bf                   	.byte 0xbf
  14:	01 00                	add    %eax,(%rax)
[  480.291468][T11592] RSP: 002b:00007ffdf58cd958 EFLAGS: 00000246 ORIG_RAX: 000000000000002c
[  480.291471][T11592] RAX: ffffffffffffffda RBX: 00007ffdf58cda88 RCX: 00007ff14970e312
[  480.291472][T11592] RDX: 0000000000000044 RSI: 00007ff14741f370 RDI: 0000000000000020
[  480.291474][T11592] RBP: 00007ffdf58cd980 R08: 00007ffdf58cdb00 R09: 000000000000000c
[  480.291474][T11592] R10: 0000000000000000 R11: 0000000000000246 R12: 00007ff1475720b0
[  480.291475][T11592] R13: 00007ffdf58cda88 R14: 00007ff14902d01a R15: 00007ffdf58cde78
| [  481.688382][T11624] softirqs last disabled at (396694): inet6_fill_ifla6_attrs (net/ipv6/addrconf.c:5883)
| [  481.688384][T11624] Preemption disabled at:
| [  481.688385][T11624] vprintk_emit (kernel/printk/printk.c:2471)
| [  481.688394][T11624] Tainted: [W]=WARN
[  481.688395][T11624] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[  481.688397][T11624] Call Trace:
[  481.688398][T11624]  <TASK>
[  481.688400][T11624]  dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120)
[  481.688407][T11624]  ? vprintk_emit (kernel/printk/printk.c:2471)
[  481.688408][T11624]  __might_resched.cold (kernel/sched/core.c:9234)
[  481.688413][T11624]  ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3))
[  481.688417][T11624]  ? __kmalloc_noprof (./include/linux/sched/mm.h:317 mm/slub.c:4636 mm/slub.c:4974 mm/slub.c:5413 mm/slub.c:5439)
[  481.688422][T11624]  __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))
[  481.688424][T11624]  ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[  481.688431][T11624]  ? 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)
[  481.688435][T11624]  alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[  481.688439][T11624]  put_chars (drivers/char/virtio_console.c:1176)
[  481.688441][T11624]  ? __send_to_port (drivers/char/virtio_console.c:654)
[  481.688445][T11624]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380)
[  481.688448][T11624]  ? validate_chain (kernel/locking/lockdep.c:3817 (discriminator 2) kernel/locking/lockdep.c:3837 (discriminator 2) kernel/locking/lockdep.c:3892 (discriminator 2))
[  481.688453][T11624]  hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2))
[  481.688457][T11624]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[  481.688459][T11624]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[  481.688464][T11624]  ? hvc_write (drivers/tty/hvc/hvc_console.c:501)
[  481.688468][T11624]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  481.688471][T11624]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  481.688475][T11624]  console_emit_next_record (kernel/printk/printk.c:3183)
[  481.688479][T11624]  ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20)
[  481.688482][T11624]  ? 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))
[  481.688485][T11624]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  481.688487][T11624]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  481.688491][T11624]  console_flush_one_record (kernel/printk/printk.c:3268)
[  481.688496][T11624]  ? console_emit_next_record (kernel/printk/printk.c:3150)
[  481.688498][T11624]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[  481.688503][T11624]  console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420)
[  481.688507][T11624]  ? console_flush_one_record (kernel/printk/printk.c:3316)
[  481.688509][T11624]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  481.688511][T11624]  ? 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)
[  481.688515][T11624]  ? __down_trylock_console_sem (kernel/printk/printk.c:334)
[  481.688517][T11624]  ? vprintk_emit (kernel/printk/printk.c:2478)
[  481.688520][T11624]  vprintk_emit (kernel/printk/printk.c:2479)
[  481.688523][T11624]  ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126))
[  481.688529][T11624]  _printk (kernel/printk/printk.c:2504)
[  481.688533][T11624]  ? snapshot_read.cold (user.c:?)
[  481.688536][T11624]  ? lockdep_rtnl_is_held (./include/linux/lockdep.h:249 net/core/rtnetlink.c:182)
[  481.688539][T11624]  ? netdev_upper_get_next_dev_rcu (net/core/dev.c:8213 (discriminator 5))
[  481.688543][T11624]  ? __netdev_update_features (net/core/dev.c:11078 (discriminator 2))
[  481.688545][T11624]  ? netdev_name (./include/linux/netdevice.h:5709 (discriminator 1))
[  481.688549][T11624]  ? __netdev_printk (net/core/dev.c:13148 (discriminator 2))
[  481.688553][T11624]  netdev_info (net/core/dev.c:13195 (discriminator 3))
[  481.688557][T11624]  ? netdev_notice (net/core/dev.c:13194)
[  481.688559][T11624]  ? ovs_netdev_link (net/openvswitch/vport-netdev.c:85) openvswitch
[  481.688568][T11624]  ? 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)
[  481.688571][T11624]  __dev_set_promiscuity.cold (net/core/dev.c:9672 (discriminator 3))
[  481.688575][T11624]  netif_set_promiscuity (net/core/dev.c:9699)
[  481.688579][T11624]  dev_set_promiscuity (net/core/dev_api.c:288)
[  481.688581][T11624]  ? dev_disable_lro (net/core/dev_api.c:267)
[  481.688583][T11624] ovs_netdev_link (net/openvswitch/vport-netdev.c:106) openvswitch
[  481.688590][T11624] ovs_vport_add (net/openvswitch/vport.c:209) openvswitch
[  481.688595][T11624] new_vport (net/openvswitch/datapath.c:203) openvswitch
[  481.688600][T11624]  ? ovs_lookup_vport (./include/linux/lockdep.h:249 net/openvswitch/datapath.c:120 net/openvswitch/datapath.c:117 net/openvswitch/datapath.c:190) openvswitch
[  481.688606][T11624] ovs_vport_cmd_new (net/openvswitch/datapath.c:2389) openvswitch
[  481.688612][T11624]  ? ovs_vport_cmd_fill_info.isra.0 (./include/net/netlink.h:1107 (discriminator 1)) openvswitch
[  481.688616][T11624]  ? __nla_validate_parse (lib/nlattr.c:635)
[  481.688623][T11624]  ? __nla_parse (lib/nlattr.c:732)
[  481.688625][T11624]  ? genl_family_rcv_msg_attrs_parse.isra.0 (./include/net/netlink.h:789 (discriminator 2) net/netlink/genetlink.c:944 (discriminator 2))
[  481.688631][T11624]  genl_family_rcv_msg_doit (net/netlink/genetlink.c:1114)
[  481.688635][T11624]  ? genl_family_rcv_msg_attrs_parse.isra.0 (./include/net/netlink.h:785 (discriminator 2))
[  481.688643][T11624]  ? security_capable (security/security.c:660 (discriminator 11))
[  481.688648][T11624]  genl_family_rcv_msg (net/netlink/genetlink.c:1194)
[  481.688652][T11624]  ? genl_family_rcv_msg_dumpit (net/netlink/genetlink.c:1079)
[  481.688656][T11624]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380)
[  481.688658][T11624]  ? ovs_vport_cmd_fill_info.isra.0 (./include/net/netlink.h:1107 (discriminator 1)) openvswitch
[  481.688666][T11624]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[  481.688672][T11624]  genl_rcv_msg (net/netlink/genetlink.c:1209)
[  481.688675][T11624]  netlink_rcv_skb (net/netlink/af_netlink.c:2556)
[  481.688677][T11624]  ? genl_family_rcv_msg (net/netlink/genetlink.c:1136 (discriminator 2))
[  481.688681][T11624]  ? netlink_ack (./include/linux/skbuff.h:2718)
[  481.688689][T11624]  ? 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))
[  481.688691][T11624]  ? 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))
[  481.688696][T11624]  genl_rcv (net/netlink/genetlink.c:1218)
[  481.688698][T11624]  netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[  481.688703][T11624]  ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[  481.688707][T11624]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[  481.688711][T11624]  netlink_sendmsg (net/netlink/af_netlink.c:1900)
[  481.688716][T11624]  ? netlink_unicast (./include/net/net_namespace.h:422 (discriminator 7))
[  481.688718][T11624]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[  481.688721][T11624]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554)
[  481.688727][T11624]  __sock_sendmsg (net/socket.c:800 (discriminator 4) net/socket.c:815 (discriminator 4))
[  481.688730][T11624]  ? fdget (fs/file.c:1200 fs/file.c:1208)
[  481.688734][T11624]  __sys_sendto (net/socket.c:2281)
[  481.688737][T11624]  ? __ia32_sys_getpeername (net/socket.c:2235)
[  481.688749][T11624]  ? exc_page_fault (arch/x86/mm/fault.c:1483 arch/x86/mm/fault.c:1536)
[  481.688756][T11624]  __x64_sys_sendto (net/socket.c:2288 net/socket.c:2284 net/socket.c:2284)
[  481.688758][T11624]  ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22))
[  481.688762][T11624]  ? lockdep_hardirqs_on (kernel/locking/lockdep.c:4488)
[  481.688763][T11624]  ? do_syscall_64 (arch/x86/entry/syscall_64.c:81 (discriminator 44))
[  481.688766][T11624]  do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84)
[  481.688768][T11624]  ? exc_page_fault (arch/x86/mm/fault.c:1489 (discriminator 3) arch/x86/mm/fault.c:1536 (discriminator 3))
[  481.688771][T11624]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[  481.688774][T11624] RIP: 0033:0x7f3d6b541312
[  481.688777][T11624] Code: 08 0f 85 71 41 ff ff 49 89 fb 48 89 f0 48 89 d7 48 89 ce 4c 89 c2 4d 89 ca 4c 8b 44 24 08 4c 8b 4c 24 10 4c 89 5c 24 08 0f 05 <c3> 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 00 f3 0f 1e fa 55 bf 01 00
All code
========
   0:	08 0f                	or     %cl,(%rdi)
   2:	85 71 41             	test   %esi,0x41(%rcx)
   5:	ff                   	(bad)
   6:	ff 49 89             	decl   -0x77(%rcx)
   9:	fb                   	sti
   a:	48 89 f0             	mov    %rsi,%rax
   d:	48 89 d7             	mov    %rdx,%rdi
  10:	48 89 ce             	mov    %rcx,%rsi
  13:	4c 89 c2             	mov    %r8,%rdx
  16:	4d 89 ca             	mov    %r9,%r10
  19:	4c 8b 44 24 08       	mov    0x8(%rsp),%r8
  1e:	4c 8b 4c 24 10       	mov    0x10(%rsp),%r9
  23:	4c 89 5c 24 08       	mov    %r11,0x8(%rsp)
  28:	0f 05                	syscall
  2a:*	c3                   	ret		<-- trapping instruction
  2b:	66 2e 0f 1f 84 00 00 	cs nopw 0x0(%rax,%rax,1)
  32:	00 00 00 
  35:	0f 1f 00             	nopl   (%rax)
  38:	f3 0f 1e fa          	endbr64
  3c:	55                   	push   %rbp
  3d:	bf                   	.byte 0xbf
  3e:	01 00                	add    %eax,(%rax)

Code starting with the faulting instruction
===========================================
   0:	c3                   	ret
   1:	66 2e 0f 1f 84 00 00 	cs nopw 0x0(%rax,%rax,1)
   8:	00 00 00 
   b:	0f 1f 00             	nopl   (%rax)
   e:	f3 0f 1e fa          	endbr64
  12:	55                   	push   %rbp
  13:	bf                   	.byte 0xbf
  14:	01 00                	add    %eax,(%rax)
[  481.688779][T11624] RSP: 002b:00007fff826af338 EFLAGS: 00000246 ORIG_RAX: 000000000000002c
[  481.688782][T11624] RAX: ffffffffffffffda RBX: 00007fff826af468 RCX: 00007f3d6b541312
[  481.688783][T11624] RDX: 0000000000000038 RSI: 00007f3d681af3b0 RDI: 0000000000000023
[  481.688784][T11624] RBP: 00007fff826af360 R08: 00007fff826af4e0 R09: 000000000000000c
[  481.688785][T11624] R10: 0000000000000000 R11: 0000000000000246 R12: 00007f3d6939e190
[  481.688786][T11624] R13: 00007fff826af468 R14: 00007f3d6ae6001a R15: 00007fff826af858
| [  482.956207][T11651] softirqs last disabled at (402536): inet6_fill_ifla6_attrs (net/ipv6/addrconf.c:5883)
| [  482.956210][T11651] Preemption disabled at:
| [  482.956211][T11651] vprintk_emit (kernel/printk/printk.c:2471)
| [  482.956220][T11651] Tainted: [W]=WARN
[  482.956221][T11651] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[  482.956223][T11651] Call Trace:
[  482.956225][T11651]  <TASK>
[  482.956227][T11651]  dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120)
[  482.956233][T11651]  ? vprintk_emit (kernel/printk/printk.c:2471)
[  482.956236][T11651]  __might_resched.cold (kernel/sched/core.c:9234)
[  482.956243][T11651]  ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3))
[  482.956248][T11651]  ? __kmalloc_noprof (./include/linux/sched/mm.h:317 mm/slub.c:4636 mm/slub.c:4974 mm/slub.c:5413 mm/slub.c:5439)
[  482.956253][T11651]  __kmalloc_noprof (./include/linux/sched/mm.h:322 (discriminator 2) mm/slub.c:4636 (discriminator 2) mm/slub.c:4974 (discriminator 2) mm/slub.c:5413 (discriminator 2) mm/slub.c:5439 (discriminator 2))
[  482.956255][T11651]  ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[  482.956262][T11651]  ? do_raw_spin_unlock (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:32 ./include/asm-generic/qspinlock.h:58 kernel/locking/spinlock_debug.c:101 kernel/locking/spinlock_debug.c:141)
[  482.956266][T11651]  alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[  482.956270][T11651]  put_chars (drivers/char/virtio_console.c:1176)
[  482.956273][T11651]  ? __send_to_port (drivers/char/virtio_console.c:654)
[  482.956277][T11651]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380)
[  482.956280][T11651]  ? validate_chain (kernel/locking/lockdep.c:3817 (discriminator 2) kernel/locking/lockdep.c:3837 (discriminator 2) kernel/locking/lockdep.c:3892 (discriminator 2))
[  482.956288][T11651]  hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2))
[  482.956293][T11651]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[  482.956295][T11651]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[  482.956301][T11651]  ? hvc_write (drivers/tty/hvc/hvc_console.c:501)
[  482.956306][T11651]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  482.956309][T11651]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  482.956314][T11651]  console_emit_next_record (kernel/printk/printk.c:3183)
[  482.956319][T11651]  ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20)
[  482.956321][T11651]  ? console_flush_one_record (./include/linux/rcupdate.h:314 (discriminator 2) ./include/linux/srcu.h:439 (discriminator 2) kernel/printk/printk.c:291 (discriminator 2) kernel/printk/printk.c:3246 (discriminator 2))
[  482.956325][T11651]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  482.956329][T11651]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  482.956336][T11651]  console_flush_one_record (kernel/printk/printk.c:3268)
[  482.956347][T11651]  ? console_emit_next_record (kernel/printk/printk.c:3150)
[  482.956349][T11651]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[  482.956357][T11651]  console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420)
[  482.956361][T11651]  ? console_flush_one_record (kernel/printk/printk.c:3316)
[  482.956364][T11651]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  482.956366][T11651]  ? lock_acquire (./include/linux/srcutree.h:374 ./include/linux/srcu.h:541 ./include/linux/srcu.h:645 ./include/trace/events/lock.h:23 ./include/trace/events/lock.h:23 kernel/locking/lockdep.c:5871)
[  482.956371][T11651]  ? __down_trylock_console_sem (kernel/printk/printk.c:334)
[  482.956373][T11651]  ? vprintk_emit (kernel/printk/printk.c:2478)
[  482.956377][T11651]  vprintk_emit (kernel/printk/printk.c:2479)
[  482.956382][T11651]  ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126))
[  482.956392][T11651]  _printk (kernel/printk/printk.c:2504)
[  482.956396][T11651]  ? snapshot_read.cold (user.c:?)
[  482.956400][T11651]  ? lockdep_rtnl_is_held (./include/linux/lockdep.h:249 net/core/rtnetlink.c:182)
[  482.956404][T11651]  ? netdev_upper_get_next_dev_rcu (net/core/dev.c:8213 (discriminator 5))
[  482.956408][T11651]  ? 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)
[  482.956410][T11651]  ? __netdev_update_features (net/core/dev.c:11078 (discriminator 2))
[  482.956413][T11651]  ? netdev_name (./include/linux/netdevice.h:5709 (discriminator 1))
[  482.956417][T11651]  ? __netdev_printk (net/core/dev.c:13148 (discriminator 2))
[  482.956422][T11651]  netdev_info (net/core/dev.c:13195 (discriminator 3))
[  482.956426][T11651]  ? netdev_notice (net/core/dev.c:13194)
[  482.956428][T11651]  ? ovs_netdev_link (net/openvswitch/vport-netdev.c:85) openvswitch
[  482.956443][T11651]  ? 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)
[  482.956446][T11651]  __dev_set_promiscuity.cold (net/core/dev.c:9672 (discriminator 3))
[  482.956451][T11651]  netif_set_promiscuity (net/core/dev.c:9699)
[  482.956455][T11651]  dev_set_promiscuity (net/core/dev_api.c:288)
[  482.956458][T11651]  ? dev_disable_lro (net/core/dev_api.c:267)
[  482.956460][T11651] ovs_netdev_link (net/openvswitch/vport-netdev.c:106) openvswitch
[  482.956466][T11651] ovs_vport_add (net/openvswitch/vport.c:209) openvswitch
[  482.956472][T11651] new_vport (net/openvswitch/datapath.c:203) openvswitch
[  482.956477][T11651]  ? ovs_lookup_vport (./include/linux/lockdep.h:249 net/openvswitch/datapath.c:120 net/openvswitch/datapath.c:117 net/openvswitch/datapath.c:190) openvswitch
[  482.956482][T11651] ovs_vport_cmd_new (net/openvswitch/datapath.c:2389) openvswitch
[  482.956489][T11651]  ? ovs_vport_cmd_fill_info.isra.0 (./include/net/netlink.h:1107 (discriminator 1)) openvswitch
[  482.956494][T11651]  ? __nla_validate_parse (lib/nlattr.c:635)
[  482.956502][T11651]  ? __nla_parse (lib/nlattr.c:732)
[  482.956505][T11651]  ? genl_family_rcv_msg_attrs_parse.isra.0 (./include/net/netlink.h:789 (discriminator 2) net/netlink/genetlink.c:944 (discriminator 2))
[  482.956510][T11651]  genl_family_rcv_msg_doit (net/netlink/genetlink.c:1114)
[  482.956514][T11651]  ? genl_family_rcv_msg_attrs_parse.isra.0 (./include/net/netlink.h:785 (discriminator 2))
[  482.956523][T11651]  ? security_capable (security/security.c:660 (discriminator 11))
[  482.956528][T11651]  genl_family_rcv_msg (net/netlink/genetlink.c:1194)
[  482.956533][T11651]  ? genl_family_rcv_msg_dumpit (net/netlink/genetlink.c:1079)
[  482.956535][T11651]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380)
[  482.956538][T11651]  ? ovs_vport_cmd_fill_info.isra.0 (./include/net/netlink.h:1107 (discriminator 1)) openvswitch
[  482.956542][T11651]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[  482.956552][T11651]  genl_rcv_msg (net/netlink/genetlink.c:1209)
[  482.956555][T11651]  netlink_rcv_skb (net/netlink/af_netlink.c:2556)
[  482.956558][T11651]  ? genl_family_rcv_msg (net/netlink/genetlink.c:1136 (discriminator 2))
[  482.956562][T11651]  ? netlink_ack (./include/linux/skbuff.h:2718)
[  482.956569][T11651]  ? netlink_deliver_tap (./include/linux/rcupdate.h:319 (discriminator 2) ./include/linux/rcupdate.h:880 (discriminator 2) ./include/net/netns/generic.h:48 (discriminator 2) net/netlink/af_netlink.c:334 (discriminator 2))
[  482.956572][T11651]  ? netlink_deliver_tap (./include/linux/rcupdate.h:319 (discriminator 2) ./include/linux/rcupdate.h:880 (discriminator 2) net/netlink/af_netlink.c:341 (discriminator 2))
[  482.956576][T11651]  genl_rcv (net/netlink/genetlink.c:1218)
[  482.956579][T11651]  netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[  482.956583][T11651]  ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[  482.956587][T11651]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[  482.956591][T11651]  netlink_sendmsg (net/netlink/af_netlink.c:1900)
[  482.956598][T11651]  ? netlink_unicast (./include/net/net_namespace.h:422 (discriminator 7))
[  482.956601][T11651]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[  482.956605][T11651]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554)
[  482.956610][T11651]  __sock_sendmsg (net/socket.c:800 (discriminator 4) net/socket.c:815 (discriminator 4))
[  482.956613][T11651]  ? fdget (fs/file.c:1200 fs/file.c:1208)
[  482.956617][T11651]  __sys_sendto (net/socket.c:2281)
[  482.956621][T11651]  ? __ia32_sys_getpeername (net/socket.c:2235)
[  482.956627][T11651]  ? do_futex (kernel/futex/syscalls.c:138)
[  482.956630][T11651]  ? __ia32_sys_get_robust_list (kernel/futex/syscalls.c:94)
[  482.956637][T11651]  ? exc_page_fault (arch/x86/mm/fault.c:1483 arch/x86/mm/fault.c:1536)
[  482.956641][T11651]  ? do_futex (kernel/futex/syscalls.c:153 (discriminator 1))
[  482.956645][T11651]  __x64_sys_sendto (net/socket.c:2288 net/socket.c:2284 net/socket.c:2284)
[  482.956648][T11651]  ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22))
[  482.956654][T11651]  ? lockdep_hardirqs_on (kernel/locking/lockdep.c:4488)
[  482.956657][T11651]  ? do_syscall_64 (arch/x86/entry/syscall_64.c:81 (discriminator 44))
[  482.956660][T11651]  do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84)
[  482.956663][T11651]  ? exc_page_fault (arch/x86/mm/fault.c:1489 (discriminator 3) arch/x86/mm/fault.c:1536 (discriminator 3))
[  482.956666][T11651]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[  482.956669][T11651] RIP: 0033:0x7f88f7f3b312
[  482.956672][T11651] Code: 08 0f 85 71 41 ff ff 49 89 fb 48 89 f0 48 89 d7 48 89 ce 4c 89 c2 4d 89 ca 4c 8b 44 24 08 4c 8b 4c 24 10 4c 89 5c 24 08 0f 05 <c3> 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 00 f3 0f 1e fa 55 bf 01 00
All code
========
   0:	08 0f                	or     %cl,(%rdi)
   2:	85 71 41             	test   %esi,0x41(%rcx)
   5:	ff                   	(bad)
   6:	ff 49 89             	decl   -0x77(%rcx)
   9:	fb                   	sti
   a:	48 89 f0             	mov    %rsi,%rax
   d:	48 89 d7             	mov    %rdx,%rdi
  10:	48 89 ce             	mov    %rcx,%rsi
  13:	4c 89 c2             	mov    %r8,%rdx
  16:	4d 89 ca             	mov    %r9,%r10
  19:	4c 8b 44 24 08       	mov    0x8(%rsp),%r8
  1e:	4c 8b 4c 24 10       	mov    0x10(%rsp),%r9
  23:	4c 89 5c 24 08       	mov    %r11,0x8(%rsp)
  28:	0f 05                	syscall
  2a:*	c3                   	ret		<-- trapping instruction
  2b:	66 2e 0f 1f 84 00 00 	cs nopw 0x0(%rax,%rax,1)
  32:	00 00 00 
  35:	0f 1f 00             	nopl   (%rax)
  38:	f3 0f 1e fa          	endbr64
  3c:	55                   	push   %rbp
  3d:	bf                   	.byte 0xbf
  3e:	01 00                	add    %eax,(%rax)

Code starting with the faulting instruction
===========================================
   0:	c3                   	ret
   1:	66 2e 0f 1f 84 00 00 	cs nopw 0x0(%rax,%rax,1)
   8:	00 00 00 
   b:	0f 1f 00             	nopl   (%rax)
   e:	f3 0f 1e fa          	endbr64
  12:	55                   	push   %rbp
  13:	bf                   	.byte 0xbf
  14:	01 00                	add    %eax,(%rax)
[  482.956674][T11651] RSP: 002b:00007ffe4e903bd8 EFLAGS: 00000246 ORIG_RAX: 000000000000002c
[  482.956677][T11651] RAX: ffffffffffffffda RBX: 00007ffe4e903d08 RCX: 00007f88f7f3b312
[  482.956679][T11651] RDX: 0000000000000038 RSI: 00007f88f41f8130 RDI: 0000000000000023
[  482.956680][T11651] RBP: 00007ffe4e903c00 R08: 00007ffe4e903d80 R09: 000000000000000c
[  482.956681][T11651] R10: 0000000000000000 R11: 0000000000000246 R12: 00007f88f5da2190
[  482.956682][T11651] R13: 00007ffe4e903d08 R14: 00007f88f785a01a R15: 00007ffe4e9040f8
| [  493.076126][   T12] softirqs last disabled at (10078390): __neigh_ifdown.isra.0 (./include/linux/spinlock.h:353 net/core/neighbour.c:464)
| [  493.076129][   T12] Preemption disabled at:
| [  493.076130][   T12] vprintk_emit (kernel/printk/printk.c:2471)
| [  493.076140][   T12] Tainted: [W]=WARN
[  493.076141][   T12] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[  493.076143][   T12] Workqueue: netns cleanup_net
[  493.076147][   T12] Call Trace:
[  493.076149][   T12]  <TASK>
[  493.076151][   T12]  dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120)
[  493.076158][   T12]  ? vprintk_emit (kernel/printk/printk.c:2471)
[  493.076159][   T12]  __might_resched.cold (kernel/sched/core.c:9234)
[  493.076167][   T12]  ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3))
[  493.076172][   T12]  ? __kmalloc_noprof (./include/linux/sched/mm.h:317 mm/slub.c:4636 mm/slub.c:4974 mm/slub.c:5413 mm/slub.c:5439)
[  493.076177][   T12]  __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))
[  493.076179][   T12]  ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[  493.076186][   T12]  ? 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)
[  493.076189][   T12]  alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[  493.076194][   T12]  put_chars (drivers/char/virtio_console.c:1176)
[  493.076196][   T12]  ? prb_final_commit (kernel/printk/printk_ringbuffer.c:1842)
[  493.076198][   T12]  ? __send_to_port (drivers/char/virtio_console.c:654)
[  493.076202][   T12]  ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4116 (discriminator 3) kernel/rcu/tree.c:4108 (discriminator 3))
[  493.076205][   T12]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380)
[  493.076209][   T12]  ? validate_chain (kernel/locking/lockdep.c:3817 (discriminator 2) kernel/locking/lockdep.c:3837 (discriminator 2) kernel/locking/lockdep.c:3892 (discriminator 2))
[  493.076214][   T12]  hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2))
[  493.076220][   T12]  ? mark_usage (kernel/locking/lockdep.c:4690)
[  493.076223][   T12]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[  493.076226][   T12]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[  493.076231][   T12]  ? hvc_write (drivers/tty/hvc/hvc_console.c:501)
[  493.076234][   T12]  ? console_emit_next_record (kernel/printk/printk.c:3095 (discriminator 2) kernel/printk/printk.c:3182 (discriminator 2))
[  493.076238][   T12]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  493.076240][   T12]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  493.076245][   T12]  console_emit_next_record (kernel/printk/printk.c:3183)
[  493.076249][   T12]  ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20)
[  493.076252][   T12]  ? 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))
[  493.076255][   T12]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  493.076258][   T12]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  493.076262][   T12]  console_flush_one_record (kernel/printk/printk.c:3268)
[  493.076268][   T12]  ? console_emit_next_record (kernel/printk/printk.c:3150)
[  493.076271][   T12]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[  493.076280][   T12]  console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420)
[  493.076283][   T12]  ? console_flush_one_record (kernel/printk/printk.c:3316)
[  493.076285][   T12]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  493.076288][   T12]  ? 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)
[  493.076292][   T12]  ? __down_trylock_console_sem (kernel/printk/printk.c:334)
[  493.076294][   T12]  ? vprintk_emit (kernel/printk/printk.c:2478)
[  493.076297][   T12]  vprintk_emit (kernel/printk/printk.c:2479)
[  493.076301][   T12]  ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126))
[  493.076304][   T12]  ? net_disable_timestamp (./include/linux/workqueue.h:761)
[  493.076306][   T12]  ? net_generic (./include/linux/rcupdate.h:882 ./include/net/netns/generic.h:48) vxlan
[  493.076316][   T12]  _printk (kernel/printk/printk.c:2504)
[  493.076322][   T12]  ? snapshot_read.cold (user.c:?)
[  493.076328][   T12]  ? netdev_name (./include/linux/netdevice.h:5709 (discriminator 1))
[  493.076333][   T12]  ? __netdev_printk (net/core/dev.c:13148 (discriminator 2))
[  493.076337][   T12]  netdev_info (net/core/dev.c:13195 (discriminator 3))
[  493.076340][   T12]  ? netdev_notice (net/core/dev.c:13194)
[  493.076342][   T12]  ? __netdev_upper_dev_unlink (net/core/dev.c:9094)
[  493.076347][   T12]  ? synchronize_rcu_expedited (kernel/rcu/tree_exp.h:985)
[  493.076353][   T12]  ? 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)
[  493.076356][   T12]  __dev_set_promiscuity.cold (net/core/dev.c:9672 (discriminator 3))
[  493.076360][   T12]  netif_set_promiscuity (net/core/dev.c:9699)
[  493.076364][   T12]  dev_set_promiscuity (net/core/dev_api.c:288)
[  493.076367][   T12]  ? rtnl_is_locked (net/core/rtnetlink.c:169)
[  493.076372][   T12] ovs_netdev_detach_dev (net/openvswitch/vport-netdev.c:174) openvswitch
[  493.076381][   T12] dp_device_event (net/openvswitch/dp_notify.c:74) openvswitch
[  493.076386][   T12]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  493.076390][   T12]  notifier_call_chain (kernel/notifier.c:85)
[  493.076396][   T12]  unregister_netdevice_many_notify (net/core/dev.c:2313 net/core/dev.c:2327 net/core/dev.c:12518)
[  493.076408][   T12]  ? unregister_netdevice_queued (./include/linux/list.h:419 (discriminator 3))
[  493.076423][   T12]  default_device_exit_batch (net/core/dev.c:12589 net/core/dev.c:13288)
[  493.076430][   T12]  ? unregister_netdevice_queue (./include/linux/list.h:173)
[  493.076435][   T12]  ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3))
[  493.076440][   T12]  ? fou_exit_net (net/ipv4/fou_core.c:1228)
[  493.076448][   T12]  ops_undo_list (net/core/net_namespace.c:206 net/core/net_namespace.c:253)
[  493.076454][   T12]  ? lockdep_hardirqs_on (kernel/locking/lockdep.c:4488)
[  493.076458][   T12]  ? netns_install (./include/linux/ns_common.h:26)
[  493.076460][   T12]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554)
[  493.076464][   T12]  ? idr_destroy (lib/radix-tree.c:310 lib/radix-tree.c:674 lib/radix-tree.c:1563)
[  493.076470][   T12]  cleanup_net (net/core/net_namespace.c:706)
[  493.076473][   T12]  ? net_passive_dec (./include/linux/llist.h:241)
[  493.076477][   T12]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  493.076480][   T12]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  493.076484][   T12]  process_one_work (kernel/workqueue.c:3387)
[  493.076496][   T12]  ? __queue_delayed_work (kernel/workqueue.c:2622)
[  493.076499][   T12]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2))
[  493.076508][   T12]  worker_thread (kernel/workqueue.c:3470 kernel/workqueue.c:3551)
[  493.076516][   T12]  ? rescuer_thread (./include/linux/list.h:419 (discriminator 3))
[  493.076518][   T12]  kthread (kernel/kthread.c:436)
[  493.076521][   T12]  ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22))
[  493.076525][   T12]  ? kthread_affine_preferred (kernel/kthread.c:857)
[  493.076528][   T12]  ret_from_fork (arch/x86/kernel/process.c:158)
[  493.076532][   T12]  ? arch_exit_to_user_mode_prepare.isra.0 (arch/x86/entry/vdso/vma.c:80 (discriminator 1))
[  493.076536][   T12]  ? __switch_to (arch/x86/kernel/process_64.c:403 arch/x86/kernel/process_64.c:663)
[  493.076540][   T12]  ? kthread_affine_preferred (kernel/kthread.c:857)
[  493.076544][   T12]  ret_from_fork_asm (arch/x86/entry/entry_64.S:245)
| [  495.266856][T11865] softirqs last disabled at (379112): inet6_fill_ifla6_attrs (net/ipv6/addrconf.c:5883)
| [  495.266860][T11865] Preemption disabled at:
| [  495.266861][T11865] vprintk_emit (kernel/printk/printk.c:2471)
| [  495.266874][T11865] Tainted: [W]=WARN
[  495.266875][T11865] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[  495.266878][T11865] Call Trace:
[  495.266880][T11865]  <TASK>
[  495.266883][T11865]  dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120)
[  495.266890][T11865]  ? vprintk_emit (kernel/printk/printk.c:2471)
[  495.266893][T11865]  __might_resched.cold (kernel/sched/core.c:9234)
[  495.266904][T11865]  ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3))
[  495.266912][T11865]  ? __kmalloc_noprof (./include/linux/sched/mm.h:317 mm/slub.c:4636 mm/slub.c:4974 mm/slub.c:5413 mm/slub.c:5439)
[  495.266920][T11865]  __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))
[  495.266925][T11865]  ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[  495.266936][T11865]  ? 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)
[  495.266940][T11865]  alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[  495.266947][T11865]  put_chars (drivers/char/virtio_console.c:1176)
[  495.266952][T11865]  ? __send_to_port (drivers/char/virtio_console.c:654)
[  495.266955][T11865]  ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4116 (discriminator 3) kernel/rcu/tree.c:4108 (discriminator 3))
[  495.266961][T11865]  ? validate_chain (kernel/locking/lockdep.c:3817 (discriminator 2) kernel/locking/lockdep.c:3837 (discriminator 2) kernel/locking/lockdep.c:3892 (discriminator 2))
[  495.266972][T11865]  hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2))
[  495.266986][T11865]  ? hvc_write (drivers/tty/hvc/hvc_console.c:501)
[  495.266992][T11865]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  495.266996][T11865]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  495.267005][T11865]  console_emit_next_record (kernel/printk/printk.c:3183)
[  495.267013][T11865]  ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20)
[  495.267017][T11865]  ? 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))
[  495.267025][T11865]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  495.267029][T11865]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  495.267038][T11865]  console_flush_one_record (kernel/printk/printk.c:3268)
[  495.267046][T11865]  ? console_emit_next_record (kernel/printk/printk.c:3150)
[  495.267050][T11865]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[  495.267062][T11865]  console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420)
[  495.267067][T11865]  ? console_flush_one_record (kernel/printk/printk.c:3316)
[  495.267071][T11865]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  495.267074][T11865]  ? 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)
[  495.267082][T11865]  ? __down_trylock_console_sem (kernel/printk/printk.c:334)
[  495.267085][T11865]  ? vprintk_emit (kernel/printk/printk.c:2478)
[  495.267092][T11865]  vprintk_emit (kernel/printk/printk.c:2479)
[  495.267098][T11865]  ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126))
[  495.267104][T11865]  ? net_disable_timestamp (./include/linux/workqueue.h:761)
[  495.267108][T11865]  ? net_generic (./include/linux/rcupdate.h:882 ./include/net/netns/generic.h:48) vxlan
[  495.267121][T11865]  _printk (kernel/printk/printk.c:2504)
[  495.267127][T11865]  ? snapshot_read.cold (user.c:?)
[  495.267135][T11865]  ? netdev_name (./include/linux/netdevice.h:5709 (discriminator 1))
[  495.267141][T11865]  ? __netdev_printk (net/core/dev.c:13148 (discriminator 2))
[  495.267148][T11865]  netdev_info (net/core/dev.c:13195 (discriminator 3))
[  495.267152][T11865]  ? netdev_notice (net/core/dev.c:13194)
[  495.267155][T11865]  ? __netdev_upper_dev_unlink (net/core/dev.c:9094)
[  495.267163][T11865]  ? synchronize_rcu_expedited (kernel/rcu/tree_exp.h:985)
[  495.267172][T11865]  ? 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)
[  495.267177][T11865]  __dev_set_promiscuity.cold (net/core/dev.c:9672 (discriminator 3))
[  495.267184][T11865]  netif_set_promiscuity (net/core/dev.c:9699)
[  495.267190][T11865]  dev_set_promiscuity (net/core/dev_api.c:288)
[  495.267193][T11865]  ? rtnl_is_locked (net/core/rtnetlink.c:169)
[  495.267199][T11865] ovs_netdev_detach_dev (net/openvswitch/vport-netdev.c:174) openvswitch
[  495.267206][T11865]  ? netdev_destroy (net/openvswitch/vport-netdev.c:189) openvswitch
[  495.267213][T11865] netdev_destroy (net/openvswitch/vport-netdev.c:194) openvswitch
[  495.267222][T11865] ovs_vport_cmd_del (net/openvswitch/datapath.c:2505) openvswitch
[  495.267238][T11865]  genl_family_rcv_msg_doit (net/netlink/genetlink.c:1114)
[  495.267245][T11865]  ? genl_family_rcv_msg_attrs_parse.isra.0 (./include/net/netlink.h:785 (discriminator 2))
[  495.267262][T11865]  ? security_capable (security/security.c:660 (discriminator 11))
[  495.267269][T11865]  genl_family_rcv_msg (net/netlink/genetlink.c:1194)
[  495.267276][T11865]  ? genl_family_rcv_msg_dumpit (net/netlink/genetlink.c:1079)
[  495.267280][T11865]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380)
[  495.267284][T11865]  ? ovs_dp_detach_port (./include/linux/list.h:1047 (discriminator 2)) openvswitch
[  495.267293][T11865]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[  495.267304][T11865]  genl_rcv_msg (net/netlink/genetlink.c:1209)
[  495.267310][T11865]  netlink_rcv_skb (net/netlink/af_netlink.c:2556)
[  495.267313][T11865]  ? genl_family_rcv_msg (net/netlink/genetlink.c:1136 (discriminator 2))
[  495.267319][T11865]  ? netlink_ack (./include/linux/skbuff.h:2718)
[  495.267333][T11865]  ? 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))
[  495.267337][T11865]  ? 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))
[  495.267344][T11865]  genl_rcv (net/netlink/genetlink.c:1218)
[  495.267348][T11865]  netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[  495.267356][T11865]  ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[  495.267363][T11865]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[  495.267370][T11865]  netlink_sendmsg (net/netlink/af_netlink.c:1900)
[  495.267379][T11865]  ? netlink_unicast (./include/net/net_namespace.h:422 (discriminator 7))
[  495.267382][T11865]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[  495.267388][T11865]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554)
[  495.267398][T11865]  __sock_sendmsg (net/socket.c:800 (discriminator 4) net/socket.c:815 (discriminator 4))
[  495.267402][T11865]  ? fdget (fs/file.c:1200 fs/file.c:1208)
[  495.267408][T11865]  __sys_sendto (net/socket.c:2281)
[  495.267414][T11865]  ? __ia32_sys_getpeername (net/socket.c:2235)
[  495.267445][T11865]  ? exc_page_fault (arch/x86/mm/fault.c:1483 arch/x86/mm/fault.c:1536)
[  495.267456][T11865]  __x64_sys_sendto (net/socket.c:2288 net/socket.c:2284 net/socket.c:2284)
[  495.267460][T11865]  ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22))
[  495.267466][T11865]  ? lockdep_hardirqs_on (kernel/locking/lockdep.c:4488)
[  495.267468][T11865]  ? do_syscall_64 (arch/x86/entry/syscall_64.c:81 (discriminator 44))
[  495.267472][T11865]  do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84)
[  495.267475][T11865]  ? exc_page_fault (arch/x86/mm/fault.c:1489 (discriminator 3) arch/x86/mm/fault.c:1536 (discriminator 3))
[  495.267480][T11865]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[  495.267484][T11865] RIP: 0033:0x7ffba0bb1312
[  495.267489][T11865] Code: 08 0f 85 71 41 ff ff 49 89 fb 48 89 f0 48 89 d7 48 89 ce 4c 89 c2 4d 89 ca 4c 8b 44 24 08 4c 8b 4c 24 10 4c 89 5c 24 08 0f 05 <c3> 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 00 f3 0f 1e fa 55 bf 01 00
All code
========
   0:	08 0f                	or     %cl,(%rdi)
   2:	85 71 41             	test   %esi,0x41(%rcx)
   5:	ff                   	(bad)
   6:	ff 49 89             	decl   -0x77(%rcx)
   9:	fb                   	sti
   a:	48 89 f0             	mov    %rsi,%rax
   d:	48 89 d7             	mov    %rdx,%rdi
  10:	48 89 ce             	mov    %rcx,%rsi
  13:	4c 89 c2             	mov    %r8,%rdx
  16:	4d 89 ca             	mov    %r9,%r10
  19:	4c 8b 44 24 08       	mov    0x8(%rsp),%r8
  1e:	4c 8b 4c 24 10       	mov    0x10(%rsp),%r9
  23:	4c 89 5c 24 08       	mov    %r11,0x8(%rsp)
  28:	0f 05                	syscall
  2a:*	c3                   	ret		<-- trapping instruction
  2b:	66 2e 0f 1f 84 00 00 	cs nopw 0x0(%rax,%rax,1)
  32:	00 00 00 
  35:	0f 1f 00             	nopl   (%rax)
  38:	f3 0f 1e fa          	endbr64
  3c:	55                   	push   %rbp
  3d:	bf                   	.byte 0xbf
  3e:	01 00                	add    %eax,(%rax)

Code starting with the faulting instruction
===========================================
   0:	c3                   	ret
   1:	66 2e 0f 1f 84 00 00 	cs nopw 0x0(%rax,%rax,1)
   8:	00 00 00 
   b:	0f 1f 00             	nopl   (%rax)
   e:	f3 0f 1e fa          	endbr64
  12:	55                   	push   %rbp
  13:	bf                   	.byte 0xbf
  14:	01 00                	add    %eax,(%rax)
[  495.267492][T11865] RSP: 002b:00007fff8f3e13f8 EFLAGS: 00000246 ORIG_RAX: 000000000000002c
[  495.267496][T11865] RAX: ffffffffffffffda RBX: 00007fff8f3e1528 RCX: 00007ffba0bb1312
[  495.267498][T11865] RDX: 0000000000000028 RSI: 00007ffb9c801680 RDI: 0000000000000023
[  495.267499][T11865] RBP: 00007fff8f3e1420 R08: 00007fff8f3e15a0 R09: 000000000000000c
[  495.267501][T11865] R10: 0000000000000000 R11: 0000000000000246 R12: 00007ffb9ea0dfd0
[  495.267503][T11865] R13: 00007fff8f3e1528 R14: 00007ffba04d001a R15: 00007fff8f3e1918
| [  500.044766][T11973] softirqs last disabled at (382344): __alloc_skb (./include/linux/bottom_half.h:20 (discriminator 2) net/core/skbuff.c:697 (discriminator 2))
| [  500.044770][T11973] Preemption disabled at:
| [  500.044771][T11973] vprintk_emit (kernel/printk/printk.c:2471)
| [  500.044783][T11973] Tainted: [W]=WARN
[  500.044785][T11973] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[  500.044787][T11973] Call Trace:
[  500.044790][T11973]  <TASK>
[  500.044792][T11973]  dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120)
[  500.044800][T11973]  ? vprintk_emit (kernel/printk/printk.c:2471)
[  500.044803][T11973]  __might_resched.cold (kernel/sched/core.c:9234)
[  500.044809][T11973]  ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3))
[  500.044816][T11973]  ? __kmalloc_noprof (./include/linux/sched/mm.h:317 mm/slub.c:4636 mm/slub.c:4974 mm/slub.c:5413 mm/slub.c:5439)
[  500.044823][T11973]  __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))
[  500.044826][T11973]  ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[  500.044836][T11973]  ? 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)
[  500.044840][T11973]  alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[  500.044847][T11973]  put_chars (drivers/char/virtio_console.c:1176)
[  500.044851][T11973]  ? __send_to_port (drivers/char/virtio_console.c:654)
[  500.044856][T11973]  ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4116 (discriminator 3) kernel/rcu/tree.c:4108 (discriminator 3))
[  500.044861][T11973]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380)
[  500.044865][T11973]  ? validate_chain (kernel/locking/lockdep.c:3817 (discriminator 2) kernel/locking/lockdep.c:3837 (discriminator 2) kernel/locking/lockdep.c:3892 (discriminator 2))
[  500.044873][T11973]  hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2))
[  500.044878][T11973]  ? mark_usage (kernel/locking/lockdep.c:4690)
[  500.044881][T11973]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[  500.044884][T11973]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[  500.044892][T11973]  ? hvc_write (drivers/tty/hvc/hvc_console.c:501)
[  500.044895][T11973]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2))
[  500.044908][T11973]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  500.044916][T11973]  console_emit_next_record (kernel/printk/printk.c:3183)
[  500.044924][T11973]  ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20)
[  500.044927][T11973]  ? 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))
[  500.044933][T11973]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  500.044937][T11973]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  500.044945][T11973]  console_flush_one_record (kernel/printk/printk.c:3268)
[  500.044953][T11973]  ? console_emit_next_record (kernel/printk/printk.c:3150)
[  500.044956][T11973]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[  500.044967][T11973]  console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420)
[  500.044972][T11973]  ? console_flush_one_record (kernel/printk/printk.c:3316)
[  500.044975][T11973]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  500.044979][T11973]  ? 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)
[  500.044986][T11973]  ? __down_trylock_console_sem (kernel/printk/printk.c:334)
[  500.044989][T11973]  ? vprintk_emit (kernel/printk/printk.c:2478)
[  500.044994][T11973]  vprintk_emit (kernel/printk/printk.c:2479)
[  500.045000][T11973]  ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126))
[  500.045004][T11973]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554)
[  500.045007][T11973]  ? genl_family_rcv_msg (net/netlink/genetlink.c:1194)
[  500.045017][T11973]  _printk (kernel/printk/printk.c:2504)
[  500.045022][T11973]  ? snapshot_read.cold (user.c:?)
[  500.045025][T11973]  ? ___ratelimit (lib/ratelimit.c:97 (discriminator 3))
[  500.045035][T11973]  ? idr_get_free (??:?)
[  500.045043][T11973]  validate_nla.cold (lib/nlattr.c:414 (discriminator 4))
[  500.045057][T11973]  ? nla_get_range_signed (lib/nlattr.c:270)
[  500.045065][T11973]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  500.045069][T11973]  ? trace_kmalloc (./include/trace/events/kmem.h:57 (discriminator 22))
[  500.045077][T11973]  __nla_validate_parse (lib/nlattr.c:635)
[  500.045084][T11973]  __nla_parse (lib/nlattr.c:732)
[  500.045089][T11973]  genl_family_rcv_msg_attrs_parse.isra.0 (./include/net/netlink.h:789 (discriminator 2) net/netlink/genetlink.c:944 (discriminator 2))
[  500.045098][T11973]  genl_family_rcv_msg_doit (net/netlink/genetlink.c:1092)
[  500.045104][T11973]  ? genl_family_rcv_msg_attrs_parse.isra.0 (./include/net/netlink.h:785 (discriminator 2))
[  500.045120][T11973]  ? security_capable (security/security.c:660 (discriminator 11))
[  500.045127][T11973]  genl_family_rcv_msg (net/netlink/genetlink.c:1194)
[  500.045134][T11973]  ? genl_family_rcv_msg_dumpit (net/netlink/genetlink.c:1079)
[  500.045138][T11973]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380)
[  500.045143][T11973]  ? ovs_dp_cmd_get (./include/net/net_namespace.h:422 (discriminator 7)) openvswitch
[  500.045155][T11973]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[  500.045166][T11973]  genl_rcv_msg (net/netlink/genetlink.c:1209)
[  500.045172][T11973]  netlink_rcv_skb (net/netlink/af_netlink.c:2556)
[  500.045175][T11973]  ? genl_family_rcv_msg (net/netlink/genetlink.c:1136 (discriminator 2))
[  500.045182][T11973]  ? netlink_ack (./include/linux/skbuff.h:2718)
[  500.045195][T11973]  ? 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))
[  500.045199][T11973]  ? 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))
[  500.045206][T11973]  genl_rcv (net/netlink/genetlink.c:1218)
[  500.045210][T11973]  netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[  500.045217][T11973]  ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[  500.045224][T11973]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[  500.045230][T11973]  netlink_sendmsg (net/netlink/af_netlink.c:1900)
[  500.045238][T11973]  ? netlink_unicast (./include/net/net_namespace.h:422 (discriminator 7))
[  500.045241][T11973]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[  500.045246][T11973]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554)
[  500.045255][T11973]  __sock_sendmsg (net/socket.c:800 (discriminator 4) net/socket.c:815 (discriminator 4))
[  500.045259][T11973]  ? fdget (fs/file.c:1200 fs/file.c:1208)
[  500.045265][T11973]  __sys_sendto (net/socket.c:2281)
[  500.045270][T11973]  ? __ia32_sys_getpeername (net/socket.c:2235)
[  500.045290][T11973]  ? fput_close_sync (fs/file_table.c:617)
[  500.045296][T11973]  ? alloc_file_clone (fs/file_table.c:479)
[  500.045303][T11973]  __x64_sys_sendto (net/socket.c:2288 net/socket.c:2284 net/socket.c:2284)
[  500.045307][T11973]  ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22))
[  500.045312][T11973]  ? lockdep_hardirqs_on (kernel/locking/lockdep.c:4488)
[  500.045316][T11973]  ? do_syscall_64 (arch/x86/entry/syscall_64.c:81 (discriminator 44))
[  500.045320][T11973]  do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84)
[  500.045323][T11973]  ? exc_page_fault (arch/x86/mm/fault.c:1489 (discriminator 3) arch/x86/mm/fault.c:1536 (discriminator 3))
[  500.045328][T11973]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[  500.045332][T11973] RIP: 0033:0x7fb362b94312
[  500.045336][T11973] Code: 08 0f 85 71 41 ff ff 49 89 fb 48 89 f0 48 89 d7 48 89 ce 4c 89 c2 4d 89 ca 4c 8b 44 24 08 4c 8b 4c 24 10 4c 89 5c 24 08 0f 05 <c3> 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 00 f3 0f 1e fa 55 bf 01 00
All code
========
   0:	08 0f                	or     %cl,(%rdi)
   2:	85 71 41             	test   %esi,0x41(%rcx)
   5:	ff                   	(bad)
   6:	ff 49 89             	decl   -0x77(%rcx)
   9:	fb                   	sti
   a:	48 89 f0             	mov    %rsi,%rax
   d:	48 89 d7             	mov    %rdx,%rdi
  10:	48 89 ce             	mov    %rcx,%rsi
  13:	4c 89 c2             	mov    %r8,%rdx
  16:	4d 89 ca             	mov    %r9,%r10
  19:	4c 8b 44 24 08       	mov    0x8(%rsp),%r8
  1e:	4c 8b 4c 24 10       	mov    0x10(%rsp),%r9
  23:	4c 89 5c 24 08       	mov    %r11,0x8(%rsp)
  28:	0f 05                	syscall
  2a:*	c3                   	ret		<-- trapping instruction
  2b:	66 2e 0f 1f 84 00 00 	cs nopw 0x0(%rax,%rax,1)
  32:	00 00 00 
  35:	0f 1f 00             	nopl   (%rax)
  38:	f3 0f 1e fa          	endbr64
  3c:	55                   	push   %rbp
  3d:	bf                   	.byte 0xbf
  3e:	01 00                	add    %eax,(%rax)

Code starting with the faulting instruction
===========================================
   0:	c3                   	ret
   1:	66 2e 0f 1f 84 00 00 	cs nopw 0x0(%rax,%rax,1)
   8:	00 00 00 
   b:	0f 1f 00             	nopl   (%rax)
   e:	f3 0f 1e fa          	endbr64
  12:	55                   	push   %rbp
  13:	bf                   	.byte 0xbf
  14:	01 00                	add    %eax,(%rax)
[  500.045339][T11973] RSP: 002b:00007fff35eb6cf8 EFLAGS: 00000246 ORIG_RAX: 000000000000002c
[  500.045344][T11973] RAX: ffffffffffffffda RBX: 00007fff35eb6e28 RCX: 00007fb362b94312
[  500.045346][T11973] RDX: 0000000000000044 RSI: 00007fb3608d3230 RDI: 0000000000000020
[  500.045348][T11973] RBP: 00007fff35eb6d20 R08: 00007fff35eb6ea0 R09: 000000000000000c
[  500.045349][T11973] R10: 0000000000000000 R11: 0000000000000246 R12: 00007fb360a020b0
[  500.045351][T11973] R13: 00007fff35eb6e28 R14: 00007fb3624b301a R15: 00007fff35eb7218
| [  501.483009][T12005] softirqs last disabled at (377267): __irq_exit_rcu (kernel/softirq.c:679 kernel/softirq.c:519 kernel/softirq.c:767)
| [  501.483011][T12005] Preemption disabled at:
| [  501.483012][T12005] vprintk_emit (kernel/printk/printk.c:2471)
| [  501.483022][T12005] Tainted: [W]=WARN
[  501.483023][T12005] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[  501.483025][T12005] Call Trace:
[  501.483027][T12005]  <TASK>
[  501.483029][T12005]  dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120)
[  501.483035][T12005]  ? vprintk_emit (kernel/printk/printk.c:2471)
[  501.483037][T12005]  __might_resched.cold (kernel/sched/core.c:9234)
[  501.483042][T12005]  ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3))
[  501.483046][T12005]  ? __kmalloc_noprof (./include/linux/sched/mm.h:317 mm/slub.c:4636 mm/slub.c:4974 mm/slub.c:5413 mm/slub.c:5439)
[  501.483051][T12005]  __kmalloc_noprof (./include/linux/sched/mm.h:322 (discriminator 2) mm/slub.c:4636 (discriminator 2) mm/slub.c:4974 (discriminator 2) mm/slub.c:5413 (discriminator 2) mm/slub.c:5439 (discriminator 2))
[  501.483054][T12005]  ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[  501.483061][T12005]  ? do_raw_spin_unlock (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:32 ./include/asm-generic/qspinlock.h:58 kernel/locking/spinlock_debug.c:101 kernel/locking/spinlock_debug.c:141)
[  501.483064][T12005]  alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[  501.483068][T12005]  put_chars (drivers/char/virtio_console.c:1176)
[  501.483071][T12005]  ? __send_to_port (drivers/char/virtio_console.c:654)
[  501.483075][T12005]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380)
[  501.483078][T12005]  ? validate_chain (kernel/locking/lockdep.c:3817 (discriminator 2) kernel/locking/lockdep.c:3837 (discriminator 2) kernel/locking/lockdep.c:3892 (discriminator 2))
[  501.483084][T12005]  hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2))
[  501.483088][T12005]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[  501.483090][T12005]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[  501.483095][T12005]  ? hvc_write (drivers/tty/hvc/hvc_console.c:501)
[  501.483100][T12005]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  501.483102][T12005]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  501.483107][T12005]  console_emit_next_record (kernel/printk/printk.c:3183)
[  501.483112][T12005]  ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20)
[  501.483114][T12005]  ? console_flush_one_record (./include/linux/rcupdate.h:314 (discriminator 2) ./include/linux/srcu.h:439 (discriminator 2) kernel/printk/printk.c:291 (discriminator 2) kernel/printk/printk.c:3246 (discriminator 2))
[  501.483117][T12005]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  501.483119][T12005]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  501.483124][T12005]  console_flush_one_record (kernel/printk/printk.c:3268)
[  501.483128][T12005]  ? console_emit_next_record (kernel/printk/printk.c:3150)
[  501.483131][T12005]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[  501.483136][T12005]  console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420)
[  501.483140][T12005]  ? console_flush_one_record (kernel/printk/printk.c:3316)
[  501.483142][T12005]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  501.483144][T12005]  ? lock_acquire (./include/linux/srcutree.h:374 ./include/linux/srcu.h:541 ./include/linux/srcu.h:645 ./include/trace/events/lock.h:23 ./include/trace/events/lock.h:23 kernel/locking/lockdep.c:5871)
[  501.483148][T12005]  ? __down_trylock_console_sem (kernel/printk/printk.c:334)
[  501.483150][T12005]  ? vprintk_emit (kernel/printk/printk.c:2478)
[  501.483153][T12005]  vprintk_emit (kernel/printk/printk.c:2479)
[  501.483157][T12005]  ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126))
[  501.483162][T12005]  _printk (kernel/printk/printk.c:2504)
[  501.483167][T12005]  ? snapshot_read.cold (user.c:?)
[  501.483170][T12005]  ? lockdep_rtnl_is_held (./include/linux/lockdep.h:249 net/core/rtnetlink.c:182)
[  501.483174][T12005]  ? netdev_upper_get_next_dev_rcu (net/core/dev.c:8213 (discriminator 5))
[  501.483178][T12005]  ? __netdev_update_features (net/core/dev.c:11078 (discriminator 2))
[  501.483180][T12005]  ? netdev_name (./include/linux/netdevice.h:5709 (discriminator 1))
[  501.483184][T12005]  ? __netdev_printk (net/core/dev.c:13148 (discriminator 2))
[  501.483188][T12005]  netdev_info (net/core/dev.c:13195 (discriminator 3))
[  501.483191][T12005]  ? netdev_notice (net/core/dev.c:13194)
[  501.483193][T12005]  ? mark_held_locks (kernel/locking/lockdep.c:4341)
[  501.483197][T12005]  ? irqentry_exit (./include/linux/irq-entry-common.h:507 ./include/linux/irq-entry-common.h:542 kernel/entry/common.c:167)
[  501.483201][T12005]  ? lockdep_hardirqs_off (kernel/locking/lockdep.c:4527)
[  501.483205][T12005]  ? 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)
[  501.483208][T12005]  __dev_set_promiscuity.cold (net/core/dev.c:9672 (discriminator 3))
[  501.483212][T12005]  netif_set_promiscuity (net/core/dev.c:9699)
[  501.483216][T12005]  dev_set_promiscuity (net/core/dev_api.c:288)
[  501.483219][T12005]  ? dev_disable_lro (net/core/dev_api.c:267)
[  501.483221][T12005] ovs_netdev_link (net/openvswitch/vport-netdev.c:106) openvswitch
[  501.483228][T12005] ovs_vport_add (net/openvswitch/vport.c:209) openvswitch
[  501.483234][T12005] new_vport (net/openvswitch/datapath.c:203) openvswitch
[  501.483239][T12005]  ? ovs_lookup_vport (./include/linux/lockdep.h:249 net/openvswitch/datapath.c:120 net/openvswitch/datapath.c:117 net/openvswitch/datapath.c:190) openvswitch
[  501.483244][T12005] ovs_vport_cmd_new (net/openvswitch/datapath.c:2389) openvswitch
[  501.483250][T12005]  ? ovs_vport_cmd_fill_info.isra.0 (./include/net/netlink.h:1107 (discriminator 1)) openvswitch
[  501.483254][T12005]  ? __nla_validate_parse (lib/nlattr.c:635)
[  501.483261][T12005]  ? __nla_parse (lib/nlattr.c:732)
[  501.483263][T12005]  ? genl_family_rcv_msg_attrs_parse.isra.0 (./include/net/netlink.h:789 (discriminator 2) net/netlink/genetlink.c:944 (discriminator 2))
[  501.483269][T12005]  genl_family_rcv_msg_doit (net/netlink/genetlink.c:1114)
[  501.483273][T12005]  ? genl_family_rcv_msg_attrs_parse.isra.0 (./include/net/netlink.h:785 (discriminator 2))
[  501.483282][T12005]  ? security_capable (security/security.c:660 (discriminator 11))
[  501.483287][T12005]  genl_family_rcv_msg (net/netlink/genetlink.c:1194)
[  501.483292][T12005]  ? genl_family_rcv_msg_dumpit (net/netlink/genetlink.c:1079)
[  501.483295][T12005]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380)
[  501.483297][T12005]  ? ovs_vport_cmd_fill_info.isra.0 (./include/net/netlink.h:1107 (discriminator 1)) openvswitch
[  501.483302][T12005]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[  501.483308][T12005]  genl_rcv_msg (net/netlink/genetlink.c:1209)
[  501.483312][T12005]  netlink_rcv_skb (net/netlink/af_netlink.c:2556)
[  501.483314][T12005]  ? genl_family_rcv_msg (net/netlink/genetlink.c:1136 (discriminator 2))
[  501.483318][T12005]  ? netlink_ack (./include/linux/skbuff.h:2718)
[  501.483326][T12005]  ? netlink_deliver_tap (./include/linux/rcupdate.h:319 (discriminator 2) ./include/linux/rcupdate.h:880 (discriminator 2) ./include/net/netns/generic.h:48 (discriminator 2) net/netlink/af_netlink.c:334 (discriminator 2))
[  501.483328][T12005]  ? netlink_deliver_tap (./include/linux/rcupdate.h:319 (discriminator 2) ./include/linux/rcupdate.h:880 (discriminator 2) net/netlink/af_netlink.c:341 (discriminator 2))
[  501.483333][T12005]  genl_rcv (net/netlink/genetlink.c:1218)
[  501.483335][T12005]  netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[  501.483340][T12005]  ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[  501.483344][T12005]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[  501.483348][T12005]  netlink_sendmsg (net/netlink/af_netlink.c:1900)
[  501.483352][T12005]  ? netlink_unicast (./include/net/net_namespace.h:422 (discriminator 7))
[  501.483354][T12005]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[  501.483358][T12005]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554)
[  501.483363][T12005]  __sock_sendmsg (net/socket.c:800 (discriminator 4) net/socket.c:815 (discriminator 4))
[  501.483366][T12005]  ? fdget (fs/file.c:1200 fs/file.c:1208)
[  501.483370][T12005]  __sys_sendto (net/socket.c:2281)
[  501.483374][T12005]  ? __ia32_sys_getpeername (net/socket.c:2235)
[  501.483385][T12005]  ? exc_page_fault (arch/x86/mm/fault.c:1483 arch/x86/mm/fault.c:1536)
[  501.483390][T12005]  __x64_sys_sendto (net/socket.c:2288 net/socket.c:2284 net/socket.c:2284)
[  501.483393][T12005]  ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22))
[  501.483397][T12005]  ? lockdep_hardirqs_on (kernel/locking/lockdep.c:4488)
[  501.483399][T12005]  ? do_syscall_64 (arch/x86/entry/syscall_64.c:81 (discriminator 44))
[  501.483401][T12005]  do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84)
[  501.483404][T12005]  ? exc_page_fault (arch/x86/mm/fault.c:1489 (discriminator 3) arch/x86/mm/fault.c:1536 (discriminator 3))
[  501.483407][T12005]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[  501.483409][T12005] RIP: 0033:0x7f746ff29312
[  501.483413][T12005] Code: 08 0f 85 71 41 ff ff 49 89 fb 48 89 f0 48 89 d7 48 89 ce 4c 89 c2 4d 89 ca 4c 8b 44 24 08 4c 8b 4c 24 10 4c 89 5c 24 08 0f 05 <c3> 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 00 f3 0f 1e fa 55 bf 01 00
All code
========
   0:	08 0f                	or     %cl,(%rdi)
   2:	85 71 41             	test   %esi,0x41(%rcx)
   5:	ff                   	(bad)
   6:	ff 49 89             	decl   -0x77(%rcx)
   9:	fb                   	sti
   a:	48 89 f0             	mov    %rsi,%rax
   d:	48 89 d7             	mov    %rdx,%rdi
  10:	48 89 ce             	mov    %rcx,%rsi
  13:	4c 89 c2             	mov    %r8,%rdx
  16:	4d 89 ca             	mov    %r9,%r10
  19:	4c 8b 44 24 08       	mov    0x8(%rsp),%r8
  1e:	4c 8b 4c 24 10       	mov    0x10(%rsp),%r9
  23:	4c 89 5c 24 08       	mov    %r11,0x8(%rsp)
  28:	0f 05                	syscall
  2a:*	c3                   	ret		<-- trapping instruction
  2b:	66 2e 0f 1f 84 00 00 	cs nopw 0x0(%rax,%rax,1)
  32:	00 00 00 
  35:	0f 1f 00             	nopl   (%rax)
  38:	f3 0f 1e fa          	endbr64
  3c:	55                   	push   %rbp
  3d:	bf                   	.byte 0xbf
  3e:	01 00                	add    %eax,(%rax)

Code starting with the faulting instruction
===========================================
   0:	c3                   	ret
   1:	66 2e 0f 1f 84 00 00 	cs nopw 0x0(%rax,%rax,1)
   8:	00 00 00 
   b:	0f 1f 00             	nopl   (%rax)
   e:	f3 0f 1e fa          	endbr64
  12:	55                   	push   %rbp
  13:	bf                   	.byte 0xbf
  14:	01 00                	add    %eax,(%rax)
[  501.483415][T12005] RSP: 002b:00007ffffe5a2c18 EFLAGS: 00000246 ORIG_RAX: 000000000000002c
[  501.483418][T12005] RAX: ffffffffffffffda RBX: 00007ffffe5a2d48 RCX: 00007f746ff29312
[  501.483419][T12005] RDX: 0000000000000038 RSI: 00007f746c366330 RDI: 0000000000000023
[  501.483420][T12005] RBP: 00007ffffe5a2c40 R08: 00007ffffe5a2dc0 R09: 000000000000000c
[  501.483421][T12005] R10: 0000000000000000 R11: 0000000000000246 R12: 00007f746dd86190
[  501.483422][T12005] R13: 00007ffffe5a2d48 R14: 00007f746f84801a R15: 00007ffffe5a3138
| [  502.754886][T12032] softirqs last disabled at (410306): inet6_fill_ifla6_attrs (net/ipv6/addrconf.c:5883)
| [  502.754888][T12032] Preemption disabled at:
| [  502.754889][T12032] vprintk_emit (kernel/printk/printk.c:2471)
| [  502.754903][T12032] Tainted: [W]=WARN
[  502.754904][T12032] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[  502.754906][T12032] Call Trace:
[  502.754908][T12032]  <TASK>
[  502.754910][T12032]  dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120)
[  502.754916][T12032]  ? vprintk_emit (kernel/printk/printk.c:2471)
[  502.754918][T12032]  __might_resched.cold (kernel/sched/core.c:9234)
[  502.754923][T12032]  ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3))
[  502.754928][T12032]  ? __kmalloc_noprof (./include/linux/sched/mm.h:317 mm/slub.c:4636 mm/slub.c:4974 mm/slub.c:5413 mm/slub.c:5439)
[  502.754932][T12032]  __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))
[  502.754935][T12032]  ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[  502.754943][T12032]  ? 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)
[  502.754947][T12032]  alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[  502.754952][T12032]  put_chars (drivers/char/virtio_console.c:1176)
[  502.754955][T12032]  ? __send_to_port (drivers/char/virtio_console.c:654)
[  502.754959][T12032]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380)
[  502.754962][T12032]  ? validate_chain (kernel/locking/lockdep.c:3817 (discriminator 2) kernel/locking/lockdep.c:3837 (discriminator 2) kernel/locking/lockdep.c:3892 (discriminator 2))
[  502.754967][T12032]  hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2))
[  502.754972][T12032]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[  502.754974][T12032]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[  502.754979][T12032]  ? hvc_write (drivers/tty/hvc/hvc_console.c:501)
[  502.754983][T12032]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  502.754986][T12032]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  502.754994][T12032]  console_emit_next_record (kernel/printk/printk.c:3183)
[  502.754999][T12032]  ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20)
[  502.755001][T12032]  ? 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))
[  502.755005][T12032]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  502.755007][T12032]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  502.755011][T12032]  console_flush_one_record (kernel/printk/printk.c:3268)
[  502.755016][T12032]  ? console_emit_next_record (kernel/printk/printk.c:3150)
[  502.755018][T12032]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[  502.755024][T12032]  console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420)
[  502.755027][T12032]  ? console_flush_one_record (kernel/printk/printk.c:3316)
[  502.755030][T12032]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  502.755033][T12032]  ? 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)
[  502.755039][T12032]  ? __down_trylock_console_sem (kernel/printk/printk.c:334)
[  502.755042][T12032]  ? vprintk_emit (kernel/printk/printk.c:2478)
[  502.755046][T12032]  vprintk_emit (kernel/printk/printk.c:2479)
[  502.755050][T12032]  ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126))
[  502.755055][T12032]  _printk (kernel/printk/printk.c:2504)
[  502.755059][T12032]  ? snapshot_read.cold (user.c:?)
[  502.755062][T12032]  ? lockdep_rtnl_is_held (./include/linux/lockdep.h:249 net/core/rtnetlink.c:182)
[  502.755066][T12032]  ? netdev_upper_get_next_dev_rcu (net/core/dev.c:8213 (discriminator 5))
[  502.755069][T12032]  ? 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)
[  502.755072][T12032]  ? __netdev_update_features (net/core/dev.c:11078 (discriminator 2))
[  502.755074][T12032]  ? netdev_name (./include/linux/netdevice.h:5709 (discriminator 1))
[  502.755079][T12032]  ? __netdev_printk (net/core/dev.c:13148 (discriminator 2))
[  502.755086][T12032]  netdev_info (net/core/dev.c:13195 (discriminator 3))
[  502.755090][T12032]  ? netdev_notice (net/core/dev.c:13194)
[  502.755092][T12032]  ? ovs_netdev_link (net/openvswitch/vport-netdev.c:85) openvswitch
[  502.755102][T12032]  ? 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)
[  502.755105][T12032]  __dev_set_promiscuity.cold (net/core/dev.c:9672 (discriminator 3))
[  502.755109][T12032]  netif_set_promiscuity (net/core/dev.c:9699)
[  502.755113][T12032]  dev_set_promiscuity (net/core/dev_api.c:288)
[  502.755116][T12032]  ? dev_disable_lro (net/core/dev_api.c:267)
[  502.755118][T12032] ovs_netdev_link (net/openvswitch/vport-netdev.c:106) openvswitch
[  502.755124][T12032] ovs_vport_add (net/openvswitch/vport.c:209) openvswitch
[  502.755130][T12032] new_vport (net/openvswitch/datapath.c:203) openvswitch
[  502.755137][T12032]  ? ovs_lookup_vport (./include/linux/lockdep.h:249 net/openvswitch/datapath.c:120 net/openvswitch/datapath.c:117 net/openvswitch/datapath.c:190) openvswitch
[  502.755143][T12032] ovs_vport_cmd_new (net/openvswitch/datapath.c:2389) openvswitch
[  502.755149][T12032]  ? ovs_vport_cmd_fill_info.isra.0 (./include/net/netlink.h:1107 (discriminator 1)) openvswitch
[  502.755153][T12032]  ? __nla_validate_parse (lib/nlattr.c:635)
[  502.755160][T12032]  ? __nla_parse (lib/nlattr.c:732)
[  502.755163][T12032]  ? genl_family_rcv_msg_attrs_parse.isra.0 (./include/net/netlink.h:789 (discriminator 2) net/netlink/genetlink.c:944 (discriminator 2))
[  502.755168][T12032]  genl_family_rcv_msg_doit (net/netlink/genetlink.c:1114)
[  502.755172][T12032]  ? genl_family_rcv_msg_attrs_parse.isra.0 (./include/net/netlink.h:785 (discriminator 2))
[  502.755185][T12032]  ? security_capable (security/security.c:660 (discriminator 11))
[  502.755190][T12032]  genl_family_rcv_msg (net/netlink/genetlink.c:1194)
[  502.755195][T12032]  ? genl_family_rcv_msg_dumpit (net/netlink/genetlink.c:1079)
[  502.755198][T12032]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380)
[  502.755200][T12032]  ? ovs_vport_cmd_fill_info.isra.0 (./include/net/netlink.h:1107 (discriminator 1)) openvswitch
[  502.755205][T12032]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[  502.755211][T12032]  genl_rcv_msg (net/netlink/genetlink.c:1209)
[  502.755215][T12032]  netlink_rcv_skb (net/netlink/af_netlink.c:2556)
[  502.755218][T12032]  ? genl_family_rcv_msg (net/netlink/genetlink.c:1136 (discriminator 2))
[  502.755222][T12032]  ? netlink_ack (./include/linux/skbuff.h:2718)
[  502.755233][T12032]  ? 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))
[  502.755236][T12032]  ? 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))
[  502.755240][T12032]  genl_rcv (net/netlink/genetlink.c:1218)
[  502.755243][T12032]  netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[  502.755247][T12032]  ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[  502.755252][T12032]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[  502.755256][T12032]  netlink_sendmsg (net/netlink/af_netlink.c:1900)
[  502.755261][T12032]  ? netlink_unicast (./include/net/net_namespace.h:422 (discriminator 7))
[  502.755263][T12032]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[  502.755267][T12032]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554)
[  502.755276][T12032]  __sock_sendmsg (net/socket.c:800 (discriminator 4) net/socket.c:815 (discriminator 4))
[  502.755279][T12032]  ? fdget (fs/file.c:1200 fs/file.c:1208)
[  502.755284][T12032]  __sys_sendto (net/socket.c:2281)
[  502.755287][T12032]  ? __ia32_sys_getpeername (net/socket.c:2235)
[  502.755293][T12032]  ? do_futex (kernel/futex/syscalls.c:138)
[  502.755297][T12032]  ? __ia32_sys_get_robust_list (kernel/futex/syscalls.c:94)
[  502.755305][T12032]  ? do_futex (kernel/futex/syscalls.c:153 (discriminator 1))
[  502.755309][T12032]  __x64_sys_sendto (net/socket.c:2288 net/socket.c:2284 net/socket.c:2284)
[  502.755311][T12032]  ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22))
[  502.755315][T12032]  ? lockdep_hardirqs_on (kernel/locking/lockdep.c:4488)
[  502.755319][T12032]  ? do_syscall_64 (arch/x86/entry/syscall_64.c:81 (discriminator 44))
[  502.755322][T12032]  do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84)
[  502.755325][T12032]  ? preempt_count_add (./include/linux/ftrace.h:1177 kernel/sched/core.c:5970 kernel/sched/core.c:5967 kernel/sched/core.c:6000)
[  502.755330][T12032]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[  502.755332][T12032] RIP: 0033:0x7f7c3a939312
[  502.755336][T12032] Code: 08 0f 85 71 41 ff ff 49 89 fb 48 89 f0 48 89 d7 48 89 ce 4c 89 c2 4d 89 ca 4c 8b 44 24 08 4c 8b 4c 24 10 4c 89 5c 24 08 0f 05 <c3> 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 00 f3 0f 1e fa 55 bf 01 00
All code
========
   0:	08 0f                	or     %cl,(%rdi)
   2:	85 71 41             	test   %esi,0x41(%rcx)
   5:	ff                   	(bad)
   6:	ff 49 89             	decl   -0x77(%rcx)
   9:	fb                   	sti
   a:	48 89 f0             	mov    %rsi,%rax
   d:	48 89 d7             	mov    %rdx,%rdi
  10:	48 89 ce             	mov    %rcx,%rsi
  13:	4c 89 c2             	mov    %r8,%rdx
  16:	4d 89 ca             	mov    %r9,%r10
  19:	4c 8b 44 24 08       	mov    0x8(%rsp),%r8
  1e:	4c 8b 4c 24 10       	mov    0x10(%rsp),%r9
  23:	4c 89 5c 24 08       	mov    %r11,0x8(%rsp)
  28:	0f 05                	syscall
  2a:*	c3                   	ret		<-- trapping instruction
  2b:	66 2e 0f 1f 84 00 00 	cs nopw 0x0(%rax,%rax,1)
  32:	00 00 00 
  35:	0f 1f 00             	nopl   (%rax)
  38:	f3 0f 1e fa          	endbr64
  3c:	55                   	push   %rbp
  3d:	bf                   	.byte 0xbf
  3e:	01 00                	add    %eax,(%rax)

Code starting with the faulting instruction
===========================================
   0:	c3                   	ret
   1:	66 2e 0f 1f 84 00 00 	cs nopw 0x0(%rax,%rax,1)
   8:	00 00 00 
   b:	0f 1f 00             	nopl   (%rax)
   e:	f3 0f 1e fa          	endbr64
  12:	55                   	push   %rbp
  13:	bf                   	.byte 0xbf
  14:	01 00                	add    %eax,(%rax)
[  502.755338][T12032] RSP: 002b:00007ffdbdde83d8 EFLAGS: 00000246 ORIG_RAX: 000000000000002c
[  502.755341][T12032] RAX: ffffffffffffffda RBX: 00007ffdbdde8508 RCX: 00007f7c3a939312
[  502.755342][T12032] RDX: 0000000000000038 RSI: 00007f7c343d3930 RDI: 0000000000000023
[  502.755343][T12032] RBP: 00007ffdbdde8400 R08: 00007ffdbdde8580 R09: 000000000000000c
[  502.755345][T12032] R10: 0000000000000000 R11: 0000000000000246 R12: 00007f7c38796190
[  502.755346][T12032] R13: 00007ffdbdde8508 R14: 00007f7c3a25801a R15: 00007ffdbdde88f8
| [  513.165280][   T12] softirqs last disabled at (10291037): __irq_exit_rcu (kernel/softirq.c:679 kernel/softirq.c:519 kernel/softirq.c:767)
| [  513.165283][   T12] Preemption disabled at:
| [  513.165284][   T12] vprintk_emit (kernel/printk/printk.c:2471)
| [  513.165293][   T12] Tainted: [W]=WARN
[  513.165294][   T12] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[  513.165297][   T12] Workqueue: netns cleanup_net
[  513.165300][   T12] Call Trace:
[  513.165302][   T12]  <TASK>
[  513.165304][   T12]  dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120)
[  513.165310][   T12]  ? vprintk_emit (kernel/printk/printk.c:2471)
[  513.165312][   T12]  __might_resched.cold (kernel/sched/core.c:9234)
[  513.165317][   T12]  ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3))
[  513.165321][   T12]  ? __kmalloc_noprof (./include/linux/sched/mm.h:317 mm/slub.c:4636 mm/slub.c:4974 mm/slub.c:5413 mm/slub.c:5439)
[  513.165326][   T12]  __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))
[  513.165328][   T12]  ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[  513.165335][   T12]  ? 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)
[  513.165338][   T12]  alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[  513.165342][   T12]  put_chars (drivers/char/virtio_console.c:1176)
[  513.165344][   T12]  ? prb_final_commit (kernel/printk/printk_ringbuffer.c:1842)
[  513.165346][   T12]  ? __send_to_port (drivers/char/virtio_console.c:654)
[  513.165350][   T12]  ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4116 (discriminator 3) kernel/rcu/tree.c:4108 (discriminator 3))
[  513.165353][   T12]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380)
[  513.165356][   T12]  ? validate_chain (kernel/locking/lockdep.c:3817 (discriminator 2) kernel/locking/lockdep.c:3837 (discriminator 2) kernel/locking/lockdep.c:3892 (discriminator 2))
[  513.165360][   T12]  hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2))
[  513.165365][   T12]  ? mark_usage (kernel/locking/lockdep.c:4690)
[  513.165367][   T12]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[  513.165369][   T12]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[  513.165373][   T12]  ? hvc_write (drivers/tty/hvc/hvc_console.c:501)
[  513.165376][   T12]  ? console_emit_next_record (kernel/printk/printk.c:3095 (discriminator 2) kernel/printk/printk.c:3182 (discriminator 2))
[  513.165380][   T12]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  513.165382][   T12]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  513.165386][   T12]  console_emit_next_record (kernel/printk/printk.c:3183)
[  513.165391][   T12]  ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20)
[  513.165393][   T12]  ? 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))
[  513.165397][   T12]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  513.165399][   T12]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  513.165403][   T12]  console_flush_one_record (kernel/printk/printk.c:3268)
[  513.165408][   T12]  ? console_emit_next_record (kernel/printk/printk.c:3150)
[  513.165410][   T12]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[  513.165416][   T12]  console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420)
[  513.165419][   T12]  ? console_flush_one_record (kernel/printk/printk.c:3316)
[  513.165422][   T12]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  513.165424][   T12]  ? 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)
[  513.165428][   T12]  ? __down_trylock_console_sem (kernel/printk/printk.c:334)
[  513.165430][   T12]  ? vprintk_emit (kernel/printk/printk.c:2478)
[  513.165433][   T12]  vprintk_emit (kernel/printk/printk.c:2479)
[  513.165437][   T12]  ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126))
[  513.165440][   T12]  ? net_disable_timestamp (./include/linux/workqueue.h:761)
[  513.165442][   T12]  ? net_generic (./include/linux/rcupdate.h:882 ./include/net/netns/generic.h:48) vxlan
[  513.165451][   T12]  _printk (kernel/printk/printk.c:2504)
[  513.165455][   T12]  ? snapshot_read.cold (user.c:?)
[  513.165460][   T12]  ? netdev_name (./include/linux/netdevice.h:5709 (discriminator 1))
[  513.165464][   T12]  ? __netdev_printk (net/core/dev.c:13148 (discriminator 2))
[  513.165469][   T12]  netdev_info (net/core/dev.c:13195 (discriminator 3))
[  513.165472][   T12]  ? netdev_notice (net/core/dev.c:13194)
[  513.165474][   T12]  ? __netdev_upper_dev_unlink (net/core/dev.c:9094)
[  513.165478][   T12]  ? synchronize_rcu_expedited (kernel/rcu/tree_exp.h:985)
[  513.165484][   T12]  ? 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)
[  513.165487][   T12]  __dev_set_promiscuity.cold (net/core/dev.c:9672 (discriminator 3))
[  513.165491][   T12]  netif_set_promiscuity (net/core/dev.c:9699)
[  513.165495][   T12]  dev_set_promiscuity (net/core/dev_api.c:288)
[  513.165497][   T12]  ? rtnl_is_locked (net/core/rtnetlink.c:169)
[  513.165501][   T12] ovs_netdev_detach_dev (net/openvswitch/vport-netdev.c:174) openvswitch
[  513.165508][   T12] dp_device_event (net/openvswitch/dp_notify.c:74) openvswitch
[  513.165513][   T12]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  513.165516][   T12]  notifier_call_chain (kernel/notifier.c:85)
[  513.165522][   T12]  unregister_netdevice_many_notify (net/core/dev.c:2313 net/core/dev.c:2327 net/core/dev.c:12518)
[  513.165528][   T12]  ? unregister_netdevice_queued (./include/linux/list.h:419 (discriminator 3))
[  513.165543][   T12]  default_device_exit_batch (net/core/dev.c:12589 net/core/dev.c:13288)
[  513.165547][   T12]  ? unregister_netdevice_queue (./include/linux/list.h:173)
[  513.165549][   T12]  ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3))
[  513.165552][   T12]  ? fou_exit_net (net/ipv4/fou_core.c:1228)
[  513.165557][   T12]  ops_undo_list (net/core/net_namespace.c:206 net/core/net_namespace.c:253)
[  513.165561][   T12]  ? lockdep_hardirqs_on (kernel/locking/lockdep.c:4488)
[  513.165566][   T12]  ? netns_install (./include/linux/ns_common.h:26)
[  513.165567][   T12]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554)
[  513.165571][   T12]  ? idr_destroy (lib/radix-tree.c:310 lib/radix-tree.c:674 lib/radix-tree.c:1563)
[  513.165577][   T12]  cleanup_net (net/core/net_namespace.c:706)
[  513.165580][   T12]  ? net_passive_dec (./include/linux/llist.h:241)
[  513.165585][   T12]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  513.165587][   T12]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  513.165591][   T12]  process_one_work (kernel/workqueue.c:3387)
[  513.165598][   T12]  ? __queue_delayed_work (kernel/workqueue.c:2622)
[  513.165602][   T12]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2))
[  513.165610][   T12]  worker_thread (kernel/workqueue.c:3470 kernel/workqueue.c:3551)
[  513.165618][   T12]  ? rescuer_thread (./include/linux/list.h:419 (discriminator 3))
[  513.165620][   T12]  kthread (kernel/kthread.c:436)
[  513.165623][   T12]  ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22))
[  513.165626][   T12]  ? kthread_affine_preferred (kernel/kthread.c:857)
[  513.165630][   T12]  ret_from_fork (arch/x86/kernel/process.c:158)
[  513.165634][   T12]  ? arch_exit_to_user_mode_prepare.isra.0 (arch/x86/entry/vdso/vma.c:80 (discriminator 1))
[  513.165638][   T12]  ? __switch_to (arch/x86/kernel/process_64.c:403 arch/x86/kernel/process_64.c:663)
[  513.165641][   T12]  ? kthread_affine_preferred (kernel/kthread.c:857)
[  513.165644][   T12]  ret_from_fork_asm (arch/x86/entry/entry_64.S:245)
| [  515.490627][T12245] softirqs last disabled at (382670): inet6_fill_ifla6_attrs (net/ipv6/addrconf.c:5883)
| [  515.490629][T12245] Preemption disabled at:
| [  515.490630][T12245] vprintk_emit (kernel/printk/printk.c:2471)
| [  515.490641][T12245] Tainted: [W]=WARN
[  515.490642][T12245] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[  515.490644][T12245] Call Trace:
[  515.490646][T12245]  <TASK>
[  515.490648][T12245]  dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120)
[  515.490654][T12245]  ? vprintk_emit (kernel/printk/printk.c:2471)
[  515.490656][T12245]  __might_resched.cold (kernel/sched/core.c:9234)
[  515.490663][T12245]  ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3))
[  515.490668][T12245]  ? __kmalloc_noprof (./include/linux/sched/mm.h:317 mm/slub.c:4636 mm/slub.c:4974 mm/slub.c:5413 mm/slub.c:5439)
[  515.490673][T12245]  __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))
[  515.490675][T12245]  ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[  515.490683][T12245]  ? 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)
[  515.490686][T12245]  alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[  515.490691][T12245]  put_chars (drivers/char/virtio_console.c:1176)
[  515.490695][T12245]  ? __send_to_port (drivers/char/virtio_console.c:654)
[  515.490696][T12245]  ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4116 (discriminator 3) kernel/rcu/tree.c:4108 (discriminator 3))
[  515.490700][T12245]  ? validate_chain (kernel/locking/lockdep.c:3817 (discriminator 2) kernel/locking/lockdep.c:3837 (discriminator 2) kernel/locking/lockdep.c:3892 (discriminator 2))
[  515.490708][T12245]  hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2))
[  515.490717][T12245]  ? hvc_write (drivers/tty/hvc/hvc_console.c:501)
[  515.490720][T12245]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  515.490723][T12245]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  515.490728][T12245]  console_emit_next_record (kernel/printk/printk.c:3183)
[  515.490733][T12245]  ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20)
[  515.490735][T12245]  ? 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))
[  515.490739][T12245]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  515.490741][T12245]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  515.490746][T12245]  console_flush_one_record (kernel/printk/printk.c:3268)
[  515.490751][T12245]  ? console_emit_next_record (kernel/printk/printk.c:3150)
[  515.490754][T12245]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[  515.490761][T12245]  console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420)
[  515.490764][T12245]  ? console_flush_one_record (kernel/printk/printk.c:3316)
[  515.490767][T12245]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  515.490769][T12245]  ? 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)
[  515.490774][T12245]  ? __down_trylock_console_sem (kernel/printk/printk.c:334)
[  515.490776][T12245]  ? vprintk_emit (kernel/printk/printk.c:2478)
[  515.490780][T12245]  vprintk_emit (kernel/printk/printk.c:2479)
[  515.490787][T12245]  ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126))
[  515.490793][T12245]  ? net_disable_timestamp (./include/linux/workqueue.h:761)
[  515.490796][T12245]  ? net_generic (./include/linux/rcupdate.h:882 ./include/net/netns/generic.h:48) vxlan
[  515.490806][T12245]  _printk (kernel/printk/printk.c:2504)
[  515.490810][T12245]  ? snapshot_read.cold (user.c:?)
[  515.490816][T12245]  ? netdev_name (./include/linux/netdevice.h:5709 (discriminator 1))
[  515.490821][T12245]  ? __netdev_printk (net/core/dev.c:13148 (discriminator 2))
[  515.490826][T12245]  netdev_info (net/core/dev.c:13195 (discriminator 3))
[  515.490829][T12245]  ? netdev_notice (net/core/dev.c:13194)
[  515.490831][T12245]  ? __netdev_upper_dev_unlink (net/core/dev.c:9094)
[  515.490837][T12245]  ? synchronize_rcu_expedited (kernel/rcu/tree_exp.h:985)
[  515.490844][T12245]  ? 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)
[  515.490847][T12245]  __dev_set_promiscuity.cold (net/core/dev.c:9672 (discriminator 3))
[  515.490852][T12245]  netif_set_promiscuity (net/core/dev.c:9699)
[  515.490857][T12245]  dev_set_promiscuity (net/core/dev_api.c:288)
[  515.490859][T12245]  ? rtnl_is_locked (net/core/rtnetlink.c:169)
[  515.490864][T12245] ovs_netdev_detach_dev (net/openvswitch/vport-netdev.c:174) openvswitch
[  515.490869][T12245]  ? netdev_destroy (net/openvswitch/vport-netdev.c:189) openvswitch
[  515.490874][T12245] netdev_destroy (net/openvswitch/vport-netdev.c:194) openvswitch
[  515.490881][T12245] ovs_vport_cmd_del (net/openvswitch/datapath.c:2505) openvswitch
[  515.490890][T12245]  genl_family_rcv_msg_doit (net/netlink/genetlink.c:1114)
[  515.490894][T12245]  ? genl_family_rcv_msg_attrs_parse.isra.0 (./include/net/netlink.h:785 (discriminator 2))
[  515.490911][T12245]  ? security_capable (security/security.c:660 (discriminator 11))
[  515.490917][T12245]  genl_family_rcv_msg (net/netlink/genetlink.c:1194)
[  515.490922][T12245]  ? genl_family_rcv_msg_dumpit (net/netlink/genetlink.c:1079)
[  515.490925][T12245]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380)
[  515.490928][T12245]  ? ovs_dp_detach_port (./include/linux/list.h:1047 (discriminator 2)) openvswitch
[  515.490933][T12245]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[  515.490944][T12245]  genl_rcv_msg (net/netlink/genetlink.c:1209)
[  515.490949][T12245]  netlink_rcv_skb (net/netlink/af_netlink.c:2556)
[  515.490951][T12245]  ? genl_family_rcv_msg (net/netlink/genetlink.c:1136 (discriminator 2))
[  515.490955][T12245]  ? netlink_ack (./include/linux/skbuff.h:2718)
[  515.490964][T12245]  ? 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))
[  515.490966][T12245]  ? 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))
[  515.490971][T12245]  genl_rcv (net/netlink/genetlink.c:1218)
[  515.490974][T12245]  netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[  515.490979][T12245]  ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[  515.490981][T12245]  ? _raw_spin_unlock_irqrestore (./include/linux/spinlock_api_smp.h:210 (discriminator 6) kernel/locking/spinlock.c:221 (discriminator 6))
[  515.490988][T12245]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[  515.490992][T12245]  netlink_sendmsg (net/netlink/af_netlink.c:1900)
[  515.490997][T12245]  ? netlink_unicast (./include/net/net_namespace.h:422 (discriminator 7))
[  515.490999][T12245]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[  515.491002][T12245]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554)
[  515.491008][T12245]  __sock_sendmsg (net/socket.c:800 (discriminator 4) net/socket.c:815 (discriminator 4))
[  515.491012][T12245]  ? fdget (fs/file.c:1200 fs/file.c:1208)
[  515.491016][T12245]  __sys_sendto (net/socket.c:2281)
[  515.491019][T12245]  ? __ia32_sys_getpeername (net/socket.c:2235)
[  515.491025][T12245]  ? do_futex (kernel/futex/syscalls.c:133)
[  515.491029][T12245]  ? __ia32_sys_get_robust_list (kernel/futex/syscalls.c:94)
[  515.491036][T12245]  ? xfd_validate_state (arch/x86/kernel/fpu/xstate.c:1497 (discriminator 1) arch/x86/kernel/fpu/xstate.c:1543 (discriminator 1))
[  515.491043][T12245]  __x64_sys_sendto (net/socket.c:2288 net/socket.c:2284 net/socket.c:2284)
[  515.491046][T12245]  ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22))
[  515.491050][T12245]  ? lockdep_hardirqs_on (kernel/locking/lockdep.c:4488)
[  515.491053][T12245]  ? do_syscall_64 (arch/x86/entry/syscall_64.c:81 (discriminator 44))
[  515.491055][T12245]  do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84)
[  515.491058][T12245]  ? exc_page_fault (arch/x86/mm/fault.c:1489 (discriminator 3) arch/x86/mm/fault.c:1536 (discriminator 3))
[  515.491061][T12245]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[  515.491063][T12245] RIP: 0033:0x7fbb566fe312
[  515.491067][T12245] Code: 08 0f 85 71 41 ff ff 49 89 fb 48 89 f0 48 89 d7 48 89 ce 4c 89 c2 4d 89 ca 4c 8b 44 24 08 4c 8b 4c 24 10 4c 89 5c 24 08 0f 05 <c3> 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 00 f3 0f 1e fa 55 bf 01 00
All code
========
   0:	08 0f                	or     %cl,(%rdi)
   2:	85 71 41             	test   %esi,0x41(%rcx)
   5:	ff                   	(bad)
   6:	ff 49 89             	decl   -0x77(%rcx)
   9:	fb                   	sti
   a:	48 89 f0             	mov    %rsi,%rax
   d:	48 89 d7             	mov    %rdx,%rdi
  10:	48 89 ce             	mov    %rcx,%rsi
  13:	4c 89 c2             	mov    %r8,%rdx
  16:	4d 89 ca             	mov    %r9,%r10
  19:	4c 8b 44 24 08       	mov    0x8(%rsp),%r8
  1e:	4c 8b 4c 24 10       	mov    0x10(%rsp),%r9
  23:	4c 89 5c 24 08       	mov    %r11,0x8(%rsp)
  28:	0f 05                	syscall
  2a:*	c3                   	ret		<-- trapping instruction
  2b:	66 2e 0f 1f 84 00 00 	cs nopw 0x0(%rax,%rax,1)
  32:	00 00 00 
  35:	0f 1f 00             	nopl   (%rax)
  38:	f3 0f 1e fa          	endbr64
  3c:	55                   	push   %rbp
  3d:	bf                   	.byte 0xbf
  3e:	01 00                	add    %eax,(%rax)

Code starting with the faulting instruction
===========================================
   0:	c3                   	ret
   1:	66 2e 0f 1f 84 00 00 	cs nopw 0x0(%rax,%rax,1)
   8:	00 00 00 
   b:	0f 1f 00             	nopl   (%rax)
   e:	f3 0f 1e fa          	endbr64
  12:	55                   	push   %rbp
  13:	bf                   	.byte 0xbf
  14:	01 00                	add    %eax,(%rax)
[  515.491071][T12245] RSP: 002b:00007ffd376e91e8 EFLAGS: 00000246 ORIG_RAX: 000000000000002c
[  515.491075][T12245] RAX: ffffffffffffffda RBX: 00007ffd376e9318 RCX: 00007fbb566fe312
[  515.491077][T12245] RDX: 0000000000000028 RSI: 00007fbb52321740 RDI: 0000000000000023
[  515.491079][T12245] RBP: 00007ffd376e9210 R08: 00007ffd376e9390 R09: 000000000000000c
[  515.491080][T12245] R10: 0000000000000000 R11: 0000000000000246 R12: 00007fbb54561fd0
[  515.491081][T12245] R13: 00007ffd376e9318 R14: 00007fbb5601d01a R15: 00007ffd376e9708
| [  520.529319][T12366] softirqs last disabled at (396406): __alloc_skb (./include/linux/bottom_half.h:20 (discriminator 2) net/core/skbuff.c:697 (discriminator 2))
| [  520.529322][T12366] Preemption disabled at:
| [  520.529322][T12366] vprintk_emit (kernel/printk/printk.c:2471)
| [  520.529332][T12366] Tainted: [W]=WARN
[  520.529333][T12366] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[  520.529335][T12366] Call Trace:
[  520.529337][T12366]  <TASK>
[  520.529338][T12366]  dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120)
[  520.529345][T12366]  ? vprintk_emit (kernel/printk/printk.c:2471)
[  520.529346][T12366]  __might_resched.cold (kernel/sched/core.c:9234)
[  520.529351][T12366]  ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3))
[  520.529355][T12366]  ? __kmalloc_noprof (./include/linux/sched/mm.h:317 mm/slub.c:4636 mm/slub.c:4974 mm/slub.c:5413 mm/slub.c:5439)
[  520.529360][T12366]  __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))
[  520.529362][T12366]  ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[  520.529372][T12366]  ? 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)
[  520.529376][T12366]  alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[  520.529380][T12366]  put_chars (drivers/char/virtio_console.c:1176)
[  520.529382][T12366]  ? __send_to_port (drivers/char/virtio_console.c:654)
[  520.529385][T12366]  ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4116 (discriminator 3) kernel/rcu/tree.c:4108 (discriminator 3))
[  520.529388][T12366]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380)
[  520.529391][T12366]  ? validate_chain (kernel/locking/lockdep.c:3817 (discriminator 2) kernel/locking/lockdep.c:3837 (discriminator 2) kernel/locking/lockdep.c:3892 (discriminator 2))
[  520.529396][T12366]  hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2))
[  520.529400][T12366]  ? mark_usage (kernel/locking/lockdep.c:4690)
[  520.529402][T12366]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[  520.529404][T12366]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[  520.529408][T12366]  ? hvc_write (drivers/tty/hvc/hvc_console.c:501)
[  520.529411][T12366]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2))
[  520.529415][T12366]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  520.529419][T12366]  console_emit_next_record (kernel/printk/printk.c:3183)
[  520.529424][T12366]  ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20)
[  520.529426][T12366]  ? 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))
[  520.529429][T12366]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  520.529431][T12366]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  520.529436][T12366]  console_flush_one_record (kernel/printk/printk.c:3268)
[  520.529440][T12366]  ? console_emit_next_record (kernel/printk/printk.c:3150)
[  520.529442][T12366]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[  520.529448][T12366]  console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420)
[  520.529451][T12366]  ? console_flush_one_record (kernel/printk/printk.c:3316)
[  520.529453][T12366]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  520.529455][T12366]  ? 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)
[  520.529459][T12366]  ? __down_trylock_console_sem (kernel/printk/printk.c:334)
[  520.529461][T12366]  ? vprintk_emit (kernel/printk/printk.c:2478)
[  520.529464][T12366]  vprintk_emit (kernel/printk/printk.c:2479)
[  520.529467][T12366]  ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126))
[  520.529469][T12366]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554)
[  520.529471][T12366]  ? genl_family_rcv_msg (net/netlink/genetlink.c:1194)
[  520.529476][T12366]  _printk (kernel/printk/printk.c:2504)
[  520.529480][T12366]  ? snapshot_read.cold (user.c:?)
[  520.529482][T12366]  ? ___ratelimit (lib/ratelimit.c:97 (discriminator 3))
[  520.529491][T12366]  ? idr_get_free (??:?)
[  520.529497][T12366]  validate_nla.cold (lib/nlattr.c:414 (discriminator 4))
[  520.529507][T12366]  ? nla_get_range_signed (lib/nlattr.c:270)
[  520.529513][T12366]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  520.529515][T12366]  ? trace_kmalloc (./include/trace/events/kmem.h:57 (discriminator 22))
[  520.529519][T12366]  __nla_validate_parse (lib/nlattr.c:635)
[  520.529524][T12366]  __nla_parse (lib/nlattr.c:732)
[  520.529527][T12366]  genl_family_rcv_msg_attrs_parse.isra.0 (./include/net/netlink.h:789 (discriminator 2) net/netlink/genetlink.c:944 (discriminator 2))
[  520.529532][T12366]  genl_family_rcv_msg_doit (net/netlink/genetlink.c:1092)
[  520.529536][T12366]  ? genl_family_rcv_msg_attrs_parse.isra.0 (./include/net/netlink.h:785 (discriminator 2))
[  520.529545][T12366]  ? security_capable (security/security.c:660 (discriminator 11))
[  520.529549][T12366]  genl_family_rcv_msg (net/netlink/genetlink.c:1194)
[  520.529553][T12366]  ? genl_family_rcv_msg_dumpit (net/netlink/genetlink.c:1079)
[  520.529556][T12366]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380)
[  520.529559][T12366]  ? ovs_dp_cmd_get (./include/net/net_namespace.h:422 (discriminator 7)) openvswitch
[  520.529567][T12366]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[  520.529573][T12366]  genl_rcv_msg (net/netlink/genetlink.c:1209)
[  520.529576][T12366]  netlink_rcv_skb (net/netlink/af_netlink.c:2556)
[  520.529586][T12366]  ? genl_family_rcv_msg (net/netlink/genetlink.c:1136 (discriminator 2))
[  520.529590][T12366]  ? netlink_ack (./include/linux/skbuff.h:2718)
[  520.529597][T12366]  ? 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))
[  520.529599][T12366]  ? 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))
[  520.529604][T12366]  genl_rcv (net/netlink/genetlink.c:1218)
[  520.529606][T12366]  netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[  520.529610][T12366]  ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[  520.529614][T12366]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[  520.529618][T12366]  netlink_sendmsg (net/netlink/af_netlink.c:1900)
[  520.529622][T12366]  ? netlink_unicast (./include/net/net_namespace.h:422 (discriminator 7))
[  520.529625][T12366]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[  520.529630][T12366]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554)
[  520.529636][T12366]  __sock_sendmsg (net/socket.c:800 (discriminator 4) net/socket.c:815 (discriminator 4))
[  520.529639][T12366]  ? fdget (fs/file.c:1200 fs/file.c:1208)
[  520.529643][T12366]  __sys_sendto (net/socket.c:2281)
[  520.529647][T12366]  ? __ia32_sys_getpeername (net/socket.c:2235)
[  520.529658][T12366]  ? fput_close_sync (fs/file_table.c:617)
[  520.529662][T12366]  ? alloc_file_clone (fs/file_table.c:479)
[  520.529666][T12366]  __x64_sys_sendto (net/socket.c:2288 net/socket.c:2284 net/socket.c:2284)
[  520.529668][T12366]  ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22))
[  520.529672][T12366]  ? lockdep_hardirqs_on (kernel/locking/lockdep.c:4488)
[  520.529675][T12366]  ? do_syscall_64 (arch/x86/entry/syscall_64.c:81 (discriminator 44))
[  520.529677][T12366]  do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84)
[  520.529680][T12366]  ? exc_page_fault (arch/x86/mm/fault.c:1489 (discriminator 3) arch/x86/mm/fault.c:1536 (discriminator 3))
[  520.529682][T12366]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[  520.529685][T12366] RIP: 0033:0x7f7783b48312
[  520.529688][T12366] Code: 08 0f 85 71 41 ff ff 49 89 fb 48 89 f0 48 89 d7 48 89 ce 4c 89 c2 4d 89 ca 4c 8b 44 24 08 4c 8b 4c 24 10 4c 89 5c 24 08 0f 05 <c3> 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 00 f3 0f 1e fa 55 bf 01 00
All code
========
   0:	08 0f                	or     %cl,(%rdi)
   2:	85 71 41             	test   %esi,0x41(%rcx)
   5:	ff                   	(bad)
   6:	ff 49 89             	decl   -0x77(%rcx)
   9:	fb                   	sti
   a:	48 89 f0             	mov    %rsi,%rax
   d:	48 89 d7             	mov    %rdx,%rdi
  10:	48 89 ce             	mov    %rcx,%rsi
  13:	4c 89 c2             	mov    %r8,%rdx
  16:	4d 89 ca             	mov    %r9,%r10
  19:	4c 8b 44 24 08       	mov    0x8(%rsp),%r8
  1e:	4c 8b 4c 24 10       	mov    0x10(%rsp),%r9
  23:	4c 89 5c 24 08       	mov    %r11,0x8(%rsp)
  28:	0f 05                	syscall
  2a:*	c3                   	ret		<-- trapping instruction
  2b:	66 2e 0f 1f 84 00 00 	cs nopw 0x0(%rax,%rax,1)
  32:	00 00 00 
  35:	0f 1f 00             	nopl   (%rax)
  38:	f3 0f 1e fa          	endbr64
  3c:	55                   	push   %rbp
  3d:	bf                   	.byte 0xbf
  3e:	01 00                	add    %eax,(%rax)

Code starting with the faulting instruction
===========================================
   0:	c3                   	ret
   1:	66 2e 0f 1f 84 00 00 	cs nopw 0x0(%rax,%rax,1)
   8:	00 00 00 
   b:	0f 1f 00             	nopl   (%rax)
   e:	f3 0f 1e fa          	endbr64
  12:	55                   	push   %rbp
  13:	bf                   	.byte 0xbf
  14:	01 00                	add    %eax,(%rax)
[  520.529690][T12366] RSP: 002b:00007ffc9bf4f558 EFLAGS: 00000246 ORIG_RAX: 000000000000002c
[  520.529693][T12366] RAX: ffffffffffffffda RBX: 00007ffc9bf4f688 RCX: 00007f7783b48312
[  520.529695][T12366] RDX: 0000000000000044 RSI: 00007f7780727140 RDI: 0000000000000020
[  520.529696][T12366] RBP: 00007ffc9bf4f580 R08: 00007ffc9bf4f700 R09: 000000000000000c
[  520.529697][T12366] R10: 0000000000000000 R11: 0000000000000246 R12: 00007f77819b20b0
[  520.529698][T12366] R13: 00007ffc9bf4f688 R14: 00007f778346701a R15: 00007ffc9bf4fa78
| [  522.022367][T12398] softirqs last disabled at (392666): inet6_fill_ifla6_attrs (net/ipv6/addrconf.c:5883)
| [  522.022369][T12398] Preemption disabled at:
| [  522.022370][T12398] vprintk_emit (kernel/printk/printk.c:2471)
| [  522.022380][T12398] Tainted: [W]=WARN
[  522.022381][T12398] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[  522.022383][T12398] Call Trace:
[  522.022385][T12398]  <TASK>
[  522.022387][T12398]  dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120)
[  522.022394][T12398]  ? vprintk_emit (kernel/printk/printk.c:2471)
[  522.022396][T12398]  __might_resched.cold (kernel/sched/core.c:9234)
[  522.022402][T12398]  ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3))
[  522.022408][T12398]  ? __kmalloc_noprof (./include/linux/sched/mm.h:317 mm/slub.c:4636 mm/slub.c:4974 mm/slub.c:5413 mm/slub.c:5439)
[  522.022414][T12398]  __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))
[  522.022416][T12398]  ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[  522.022423][T12398]  ? 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)
[  522.022426][T12398]  alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[  522.022431][T12398]  put_chars (drivers/char/virtio_console.c:1176)
[  522.022434][T12398]  ? __send_to_port (drivers/char/virtio_console.c:654)
[  522.022437][T12398]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380)
[  522.022441][T12398]  ? validate_chain (kernel/locking/lockdep.c:3817 (discriminator 2) kernel/locking/lockdep.c:3837 (discriminator 2) kernel/locking/lockdep.c:3892 (discriminator 2))
[  522.022446][T12398]  hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2))
[  522.022452][T12398]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[  522.022455][T12398]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[  522.022463][T12398]  ? hvc_write (drivers/tty/hvc/hvc_console.c:501)
[  522.022467][T12398]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  522.022470][T12398]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  522.022474][T12398]  console_emit_next_record (kernel/printk/printk.c:3183)
[  522.022479][T12398]  ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20)
[  522.022481][T12398]  ? 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))
[  522.022485][T12398]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  522.022487][T12398]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  522.022492][T12398]  console_flush_one_record (kernel/printk/printk.c:3268)
[  522.022497][T12398]  ? console_emit_next_record (kernel/printk/printk.c:3150)
[  522.022499][T12398]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[  522.022508][T12398]  console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420)
[  522.022513][T12398]  ? console_flush_one_record (kernel/printk/printk.c:3316)
[  522.022516][T12398]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  522.022518][T12398]  ? 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)
[  522.022522][T12398]  ? __down_trylock_console_sem (kernel/printk/printk.c:334)
[  522.022524][T12398]  ? vprintk_emit (kernel/printk/printk.c:2478)
[  522.022527][T12398]  vprintk_emit (kernel/printk/printk.c:2479)
[  522.022531][T12398]  ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126))
[  522.022537][T12398]  _printk (kernel/printk/printk.c:2504)
[  522.022541][T12398]  ? snapshot_read.cold (user.c:?)
[  522.022544][T12398]  ? lockdep_rtnl_is_held (./include/linux/lockdep.h:249 net/core/rtnetlink.c:182)
[  522.022548][T12398]  ? netdev_upper_get_next_dev_rcu (net/core/dev.c:8213 (discriminator 5))
[  522.022554][T12398]  ? __netdev_update_features (net/core/dev.c:11078 (discriminator 2))
[  522.022557][T12398]  ? netdev_name (./include/linux/netdevice.h:5709 (discriminator 1))
[  522.022562][T12398]  ? __netdev_printk (net/core/dev.c:13148 (discriminator 2))
[  522.022566][T12398]  netdev_info (net/core/dev.c:13195 (discriminator 3))
[  522.022569][T12398]  ? netdev_notice (net/core/dev.c:13194)
[  522.022572][T12398]  ? ovs_netdev_link (net/openvswitch/vport-netdev.c:85) openvswitch
[  522.022584][T12398]  ? 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)
[  522.022594][T12398]  __dev_set_promiscuity.cold (net/core/dev.c:9672 (discriminator 3))
[  522.022599][T12398]  netif_set_promiscuity (net/core/dev.c:9699)
[  522.022603][T12398]  dev_set_promiscuity (net/core/dev_api.c:288)
[  522.022607][T12398]  ? dev_disable_lro (net/core/dev_api.c:267)
[  522.022611][T12398] ovs_netdev_link (net/openvswitch/vport-netdev.c:106) openvswitch
[  522.022620][T12398] ovs_vport_add (net/openvswitch/vport.c:209) openvswitch
[  522.022626][T12398] new_vport (net/openvswitch/datapath.c:203) openvswitch
[  522.022631][T12398]  ? ovs_lookup_vport (./include/linux/lockdep.h:249 net/openvswitch/datapath.c:120 net/openvswitch/datapath.c:117 net/openvswitch/datapath.c:190) openvswitch
[  522.022636][T12398] ovs_vport_cmd_new (net/openvswitch/datapath.c:2389) openvswitch
[  522.022643][T12398]  ? ovs_vport_cmd_fill_info.isra.0 (./include/net/netlink.h:1107 (discriminator 1)) openvswitch
[  522.022647][T12398]  ? __nla_validate_parse (lib/nlattr.c:635)
[  522.022655][T12398]  ? __nla_parse (lib/nlattr.c:732)
[  522.022660][T12398]  ? genl_family_rcv_msg_attrs_parse.isra.0 (./include/net/netlink.h:789 (discriminator 2) net/netlink/genetlink.c:944 (discriminator 2))
[  522.022669][T12398]  genl_family_rcv_msg_doit (net/netlink/genetlink.c:1114)
[  522.022674][T12398]  ? genl_family_rcv_msg_attrs_parse.isra.0 (./include/net/netlink.h:785 (discriminator 2))
[  522.022685][T12398]  ? security_capable (security/security.c:660 (discriminator 11))
[  522.022691][T12398]  genl_family_rcv_msg (net/netlink/genetlink.c:1194)
[  522.022696][T12398]  ? genl_family_rcv_msg_dumpit (net/netlink/genetlink.c:1079)
[  522.022699][T12398]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380)
[  522.022701][T12398]  ? ovs_vport_cmd_fill_info.isra.0 (./include/net/netlink.h:1107 (discriminator 1)) openvswitch
[  522.022707][T12398]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[  522.022714][T12398]  genl_rcv_msg (net/netlink/genetlink.c:1209)
[  522.022719][T12398]  netlink_rcv_skb (net/netlink/af_netlink.c:2556)
[  522.022722][T12398]  ? genl_family_rcv_msg (net/netlink/genetlink.c:1136 (discriminator 2))
[  522.022727][T12398]  ? netlink_ack (./include/linux/skbuff.h:2718)
[  522.022735][T12398]  ? 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))
[  522.022738][T12398]  ? 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))
[  522.022746][T12398]  genl_rcv (net/netlink/genetlink.c:1218)
[  522.022749][T12398]  netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[  522.022754][T12398]  ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[  522.022756][T12398]  ? _raw_spin_unlock_irqrestore (./include/linux/spinlock_api_smp.h:210 (discriminator 6) kernel/locking/spinlock.c:221 (discriminator 6))
[  522.022761][T12398]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[  522.022765][T12398]  netlink_sendmsg (net/netlink/af_netlink.c:1900)
[  522.022770][T12398]  ? netlink_unicast (./include/net/net_namespace.h:422 (discriminator 7))
[  522.022772][T12398]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[  522.022775][T12398]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554)
[  522.022781][T12398]  __sock_sendmsg (net/socket.c:800 (discriminator 4) net/socket.c:815 (discriminator 4))
[  522.022784][T12398]  ? fdget (fs/file.c:1200 fs/file.c:1208)
[  522.022788][T12398]  __sys_sendto (net/socket.c:2281)
[  522.022792][T12398]  ? __ia32_sys_getpeername (net/socket.c:2235)
[  522.022809][T12398]  ? exc_page_fault (arch/x86/mm/fault.c:1483 arch/x86/mm/fault.c:1536)
[  522.022816][T12398]  __x64_sys_sendto (net/socket.c:2288 net/socket.c:2284 net/socket.c:2284)
[  522.022818][T12398]  ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22))
[  522.022822][T12398]  ? lockdep_hardirqs_on (kernel/locking/lockdep.c:4488)
[  522.022824][T12398]  ? do_syscall_64 (arch/x86/entry/syscall_64.c:81 (discriminator 44))
[  522.022827][T12398]  do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84)
[  522.022829][T12398]  ? exc_page_fault (arch/x86/mm/fault.c:1489 (discriminator 3) arch/x86/mm/fault.c:1536 (discriminator 3))
[  522.022832][T12398]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[  522.022835][T12398] RIP: 0033:0x7f8596558312
[  522.022839][T12398] Code: 08 0f 85 71 41 ff ff 49 89 fb 48 89 f0 48 89 d7 48 89 ce 4c 89 c2 4d 89 ca 4c 8b 44 24 08 4c 8b 4c 24 10 4c 89 5c 24 08 0f 05 <c3> 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 00 f3 0f 1e fa 55 bf 01 00
All code
========
   0:	08 0f                	or     %cl,(%rdi)
   2:	85 71 41             	test   %esi,0x41(%rcx)
   5:	ff                   	(bad)
   6:	ff 49 89             	decl   -0x77(%rcx)
   9:	fb                   	sti
   a:	48 89 f0             	mov    %rsi,%rax
   d:	48 89 d7             	mov    %rdx,%rdi
  10:	48 89 ce             	mov    %rcx,%rsi
  13:	4c 89 c2             	mov    %r8,%rdx
  16:	4d 89 ca             	mov    %r9,%r10
  19:	4c 8b 44 24 08       	mov    0x8(%rsp),%r8
  1e:	4c 8b 4c 24 10       	mov    0x10(%rsp),%r9
  23:	4c 89 5c 24 08       	mov    %r11,0x8(%rsp)
  28:	0f 05                	syscall
  2a:*	c3                   	ret		<-- trapping instruction
  2b:	66 2e 0f 1f 84 00 00 	cs nopw 0x0(%rax,%rax,1)
  32:	00 00 00 
  35:	0f 1f 00             	nopl   (%rax)
  38:	f3 0f 1e fa          	endbr64
  3c:	55                   	push   %rbp
  3d:	bf                   	.byte 0xbf
  3e:	01 00                	add    %eax,(%rax)

Code starting with the faulting instruction
===========================================
   0:	c3                   	ret
   1:	66 2e 0f 1f 84 00 00 	cs nopw 0x0(%rax,%rax,1)
   8:	00 00 00 
   b:	0f 1f 00             	nopl   (%rax)
   e:	f3 0f 1e fa          	endbr64
  12:	55                   	push   %rbp
  13:	bf                   	.byte 0xbf
  14:	01 00                	add    %eax,(%rax)
[  522.022841][T12398] RSP: 002b:00007ffcfeef8ed8 EFLAGS: 00000246 ORIG_RAX: 000000000000002c
[  522.022845][T12398] RAX: ffffffffffffffda RBX: 00007ffcfeef9008 RCX: 00007f8596558312
[  522.022847][T12398] RDX: 0000000000000038 RSI: 00007f85921a7930 RDI: 0000000000000023
[  522.022850][T12398] RBP: 00007ffcfeef8f00 R08: 00007ffcfeef9080 R09: 000000000000000c
[  522.022851][T12398] R10: 0000000000000000 R11: 0000000000000246 R12: 00007f85943c6190
[  522.022854][T12398] R13: 00007ffcfeef9008 R14: 00007f8595e7701a R15: 00007ffcfeef93f8
| [  523.270967][T12425] softirqs last disabled at (389738): inet6_fill_ifla6_attrs (net/ipv6/addrconf.c:5883)
| [  523.270969][T12425] Preemption disabled at:
| [  523.270970][T12425] vprintk_emit (kernel/printk/printk.c:2471)
| [  523.270980][T12425] Tainted: [W]=WARN
[  523.270981][T12425] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[  523.270983][T12425] Call Trace:
[  523.270985][T12425]  <TASK>
[  523.270986][T12425]  dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120)
[  523.270993][T12425]  ? vprintk_emit (kernel/printk/printk.c:2471)
[  523.270995][T12425]  __might_resched.cold (kernel/sched/core.c:9234)
[  523.270999][T12425]  ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3))
[  523.271004][T12425]  ? __kmalloc_noprof (./include/linux/sched/mm.h:317 mm/slub.c:4636 mm/slub.c:4974 mm/slub.c:5413 mm/slub.c:5439)
[  523.271008][T12425]  __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))
[  523.271011][T12425]  ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[  523.271018][T12425]  ? 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)
[  523.271021][T12425]  alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[  523.271026][T12425]  put_chars (drivers/char/virtio_console.c:1176)
[  523.271029][T12425]  ? __send_to_port (drivers/char/virtio_console.c:654)
[  523.271034][T12425]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380)
[  523.271039][T12425]  ? validate_chain (kernel/locking/lockdep.c:3817 (discriminator 2) kernel/locking/lockdep.c:3837 (discriminator 2) kernel/locking/lockdep.c:3892 (discriminator 2))
[  523.271047][T12425]  hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2))
[  523.271053][T12425]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[  523.271055][T12425]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[  523.271060][T12425]  ? hvc_write (drivers/tty/hvc/hvc_console.c:501)
[  523.271065][T12425]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  523.271067][T12425]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  523.271073][T12425]  console_emit_next_record (kernel/printk/printk.c:3183)
[  523.271077][T12425]  ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20)
[  523.271080][T12425]  ? 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))
[  523.271084][T12425]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  523.271086][T12425]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  523.271090][T12425]  console_flush_one_record (kernel/printk/printk.c:3268)
[  523.271095][T12425]  ? console_emit_next_record (kernel/printk/printk.c:3150)
[  523.271097][T12425]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[  523.271103][T12425]  console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420)
[  523.271107][T12425]  ? console_flush_one_record (kernel/printk/printk.c:3316)
[  523.271109][T12425]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  523.271111][T12425]  ? 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)
[  523.271115][T12425]  ? __down_trylock_console_sem (kernel/printk/printk.c:334)
[  523.271117][T12425]  ? vprintk_emit (kernel/printk/printk.c:2478)
[  523.271120][T12425]  vprintk_emit (kernel/printk/printk.c:2479)
[  523.271124][T12425]  ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126))
[  523.271130][T12425]  _printk (kernel/printk/printk.c:2504)
[  523.271134][T12425]  ? snapshot_read.cold (user.c:?)
[  523.271137][T12425]  ? lockdep_rtnl_is_held (./include/linux/lockdep.h:249 net/core/rtnetlink.c:182)
[  523.271141][T12425]  ? netdev_upper_get_next_dev_rcu (net/core/dev.c:8213 (discriminator 5))
[  523.271145][T12425]  ? 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)
[  523.271147][T12425]  ? __netdev_update_features (net/core/dev.c:11078 (discriminator 2))
[  523.271149][T12425]  ? netdev_name (./include/linux/netdevice.h:5709 (discriminator 1))
[  523.271153][T12425]  ? __netdev_printk (net/core/dev.c:13148 (discriminator 2))
[  523.271158][T12425]  netdev_info (net/core/dev.c:13195 (discriminator 3))
[  523.271161][T12425]  ? netdev_notice (net/core/dev.c:13194)
[  523.271163][T12425]  ? ovs_netdev_link (net/openvswitch/vport-netdev.c:85) openvswitch
[  523.271173][T12425]  ? 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)
[  523.271176][T12425]  __dev_set_promiscuity.cold (net/core/dev.c:9672 (discriminator 3))
[  523.271180][T12425]  netif_set_promiscuity (net/core/dev.c:9699)
[  523.271184][T12425]  dev_set_promiscuity (net/core/dev_api.c:288)
[  523.271186][T12425]  ? dev_disable_lro (net/core/dev_api.c:267)
[  523.271189][T12425] ovs_netdev_link (net/openvswitch/vport-netdev.c:106) openvswitch
[  523.271195][T12425] ovs_vport_add (net/openvswitch/vport.c:209) openvswitch
[  523.271200][T12425] new_vport (net/openvswitch/datapath.c:203) openvswitch
[  523.271205][T12425]  ? ovs_lookup_vport (./include/linux/lockdep.h:249 net/openvswitch/datapath.c:120 net/openvswitch/datapath.c:117 net/openvswitch/datapath.c:190) openvswitch
[  523.271210][T12425] ovs_vport_cmd_new (net/openvswitch/datapath.c:2389) openvswitch
[  523.271217][T12425]  ? ovs_vport_cmd_fill_info.isra.0 (./include/net/netlink.h:1107 (discriminator 1)) openvswitch
[  523.271221][T12425]  ? __nla_validate_parse (lib/nlattr.c:635)
[  523.271227][T12425]  ? __nla_parse (lib/nlattr.c:732)
[  523.271230][T12425]  ? genl_family_rcv_msg_attrs_parse.isra.0 (./include/net/netlink.h:789 (discriminator 2) net/netlink/genetlink.c:944 (discriminator 2))
[  523.271235][T12425]  genl_family_rcv_msg_doit (net/netlink/genetlink.c:1114)
[  523.271239][T12425]  ? genl_family_rcv_msg_attrs_parse.isra.0 (./include/net/netlink.h:785 (discriminator 2))
[  523.271249][T12425]  ? security_capable (security/security.c:660 (discriminator 11))
[  523.271254][T12425]  genl_family_rcv_msg (net/netlink/genetlink.c:1194)
[  523.271259][T12425]  ? genl_family_rcv_msg_dumpit (net/netlink/genetlink.c:1079)
[  523.271262][T12425]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380)
[  523.271264][T12425]  ? ovs_vport_cmd_fill_info.isra.0 (./include/net/netlink.h:1107 (discriminator 1)) openvswitch
[  523.271270][T12425]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[  523.271277][T12425]  genl_rcv_msg (net/netlink/genetlink.c:1209)
[  523.271281][T12425]  netlink_rcv_skb (net/netlink/af_netlink.c:2556)
[  523.271284][T12425]  ? genl_family_rcv_msg (net/netlink/genetlink.c:1136 (discriminator 2))
[  523.271288][T12425]  ? netlink_ack (./include/linux/skbuff.h:2718)
[  523.271296][T12425]  ? 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))
[  523.271299][T12425]  ? 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))
[  523.271304][T12425]  genl_rcv (net/netlink/genetlink.c:1218)
[  523.271306][T12425]  netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[  523.271311][T12425]  ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[  523.271316][T12425]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[  523.271320][T12425]  netlink_sendmsg (net/netlink/af_netlink.c:1900)
[  523.271325][T12425]  ? netlink_unicast (./include/net/net_namespace.h:422 (discriminator 7))
[  523.271327][T12425]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[  523.271331][T12425]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554)
[  523.271337][T12425]  __sock_sendmsg (net/socket.c:800 (discriminator 4) net/socket.c:815 (discriminator 4))
[  523.271340][T12425]  ? fdget (fs/file.c:1200 fs/file.c:1208)
[  523.271344][T12425]  __sys_sendto (net/socket.c:2281)
[  523.271348][T12425]  ? __ia32_sys_getpeername (net/socket.c:2235)
[  523.271362][T12425]  ? exc_page_fault (arch/x86/mm/fault.c:1483 arch/x86/mm/fault.c:1536)
[  523.271370][T12425]  __x64_sys_sendto (net/socket.c:2288 net/socket.c:2284 net/socket.c:2284)
[  523.271373][T12425]  ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22))
[  523.271377][T12425]  ? lockdep_hardirqs_on (kernel/locking/lockdep.c:4488)
[  523.271379][T12425]  ? do_syscall_64 (arch/x86/entry/syscall_64.c:81 (discriminator 44))
[  523.271382][T12425]  do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84)
[  523.271384][T12425]  ? exc_page_fault (arch/x86/mm/fault.c:1489 (discriminator 3) arch/x86/mm/fault.c:1536 (discriminator 3))
[  523.271387][T12425]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[  523.271390][T12425] RIP: 0033:0x7fe2d4019312
[  523.271394][T12425] Code: 08 0f 85 71 41 ff ff 49 89 fb 48 89 f0 48 89 d7 48 89 ce 4c 89 c2 4d 89 ca 4c 8b 44 24 08 4c 8b 4c 24 10 4c 89 5c 24 08 0f 05 <c3> 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 00 f3 0f 1e fa 55 bf 01 00
All code
========
   0:	08 0f                	or     %cl,(%rdi)
   2:	85 71 41             	test   %esi,0x41(%rcx)
   5:	ff                   	(bad)
   6:	ff 49 89             	decl   -0x77(%rcx)
   9:	fb                   	sti
   a:	48 89 f0             	mov    %rsi,%rax
   d:	48 89 d7             	mov    %rdx,%rdi
  10:	48 89 ce             	mov    %rcx,%rsi
  13:	4c 89 c2             	mov    %r8,%rdx
  16:	4d 89 ca             	mov    %r9,%r10
  19:	4c 8b 44 24 08       	mov    0x8(%rsp),%r8
  1e:	4c 8b 4c 24 10       	mov    0x10(%rsp),%r9
  23:	4c 89 5c 24 08       	mov    %r11,0x8(%rsp)
  28:	0f 05                	syscall
  2a:*	c3                   	ret		<-- trapping instruction
  2b:	66 2e 0f 1f 84 00 00 	cs nopw 0x0(%rax,%rax,1)
  32:	00 00 00 
  35:	0f 1f 00             	nopl   (%rax)
  38:	f3 0f 1e fa          	endbr64
  3c:	55                   	push   %rbp
  3d:	bf                   	.byte 0xbf
  3e:	01 00                	add    %eax,(%rax)

Code starting with the faulting instruction
===========================================
   0:	c3                   	ret
   1:	66 2e 0f 1f 84 00 00 	cs nopw 0x0(%rax,%rax,1)
   8:	00 00 00 
   b:	0f 1f 00             	nopl   (%rax)
   e:	f3 0f 1e fa          	endbr64
  12:	55                   	push   %rbp
  13:	bf                   	.byte 0xbf
  14:	01 00                	add    %eax,(%rax)
[  523.271396][T12425] RSP: 002b:00007ffdd0d34fe8 EFLAGS: 00000246 ORIG_RAX: 000000000000002c
[  523.271399][T12425] RAX: ffffffffffffffda RBX: 00007ffdd0d35118 RCX: 00007fe2d4019312
[  523.271401][T12425] RDX: 0000000000000038 RSI: 00007fe2d02be2f0 RDI: 0000000000000023
[  523.271402][T12425] RBP: 00007ffdd0d35010 R08: 00007ffdd0d35190 R09: 000000000000000c
[  523.271403][T12425] R10: 0000000000000000 R11: 0000000000000246 R12: 00007fe2d1e76190
[  523.271404][T12425] R13: 00007ffdd0d35118 R14: 00007fe2d393801a R15: 00007ffdd0d35508
| [  533.842527][   T12] softirqs last disabled at (10488322): __neigh_ifdown.isra.0 (./include/linux/spinlock.h:353 net/core/neighbour.c:464)
| [  533.842531][   T12] Preemption disabled at:
| [  533.842532][   T12] vprintk_emit (kernel/printk/printk.c:2471)
| [  533.842544][   T12] Tainted: [W]=WARN
[  533.842546][   T12] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[  533.842548][   T12] Workqueue: netns cleanup_net
[  533.842554][   T12] Call Trace:
[  533.842556][   T12]  <TASK>
[  533.842559][   T12]  dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120)
[  533.842567][   T12]  ? vprintk_emit (kernel/printk/printk.c:2471)
[  533.842570][   T12]  __might_resched.cold (kernel/sched/core.c:9234)
[  533.842576][   T12]  ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3))
[  533.842582][   T12]  ? __kmalloc_noprof (./include/linux/sched/mm.h:317 mm/slub.c:4636 mm/slub.c:4974 mm/slub.c:5413 mm/slub.c:5439)
[  533.842589][   T12]  __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))
[  533.842592][   T12]  ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[  533.842602][   T12]  ? 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)
[  533.842606][   T12]  alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[  533.842612][   T12]  put_chars (drivers/char/virtio_console.c:1176)
[  533.842615][   T12]  ? prb_final_commit (kernel/printk/printk_ringbuffer.c:1842)
[  533.842618][   T12]  ? __send_to_port (drivers/char/virtio_console.c:654)
[  533.842624][   T12]  ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4116 (discriminator 3) kernel/rcu/tree.c:4108 (discriminator 3))
[  533.842629][   T12]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380)
[  533.842633][   T12]  ? validate_chain (kernel/locking/lockdep.c:3817 (discriminator 2) kernel/locking/lockdep.c:3837 (discriminator 2) kernel/locking/lockdep.c:3892 (discriminator 2))
[  533.842640][   T12]  hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2))
[  533.842647][   T12]  ? mark_usage (kernel/locking/lockdep.c:4690)
[  533.842650][   T12]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[  533.842653][   T12]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[  533.842660][   T12]  ? hvc_write (drivers/tty/hvc/hvc_console.c:501)
[  533.842673][   T12]  ? console_emit_next_record (kernel/printk/printk.c:3095 (discriminator 2) kernel/printk/printk.c:3182 (discriminator 2))
[  533.842679][   T12]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  533.842683][   T12]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  533.842692][   T12]  console_emit_next_record (kernel/printk/printk.c:3183)
[  533.842699][   T12]  ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20)
[  533.842702][   T12]  ? 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))
[  533.842708][   T12]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  533.842712][   T12]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  533.842720][   T12]  console_flush_one_record (kernel/printk/printk.c:3268)
[  533.842728][   T12]  ? console_emit_next_record (kernel/printk/printk.c:3150)
[  533.842731][   T12]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[  533.842742][   T12]  console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420)
[  533.842747][   T12]  ? console_flush_one_record (kernel/printk/printk.c:3316)
[  533.842750][   T12]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  533.842753][   T12]  ? 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)
[  533.842761][   T12]  ? __down_trylock_console_sem (kernel/printk/printk.c:334)
[  533.842764][   T12]  ? vprintk_emit (kernel/printk/printk.c:2478)
[  533.842769][   T12]  vprintk_emit (kernel/printk/printk.c:2479)
[  533.842775][   T12]  ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126))
[  533.842780][   T12]  ? net_disable_timestamp (./include/linux/workqueue.h:761)
[  533.842784][   T12]  ? net_generic (./include/linux/rcupdate.h:882 ./include/net/netns/generic.h:48) vxlan
[  533.842798][   T12]  _printk (kernel/printk/printk.c:2504)
[  533.842803][   T12]  ? snapshot_read.cold (user.c:?)
[  533.842812][   T12]  ? netdev_name (./include/linux/netdevice.h:5709 (discriminator 1))
[  533.842817][   T12]  ? __netdev_printk (net/core/dev.c:13148 (discriminator 2))
[  533.842824][   T12]  netdev_info (net/core/dev.c:13195 (discriminator 3))
[  533.842829][   T12]  ? netdev_notice (net/core/dev.c:13194)
[  533.842831][   T12]  ? __netdev_upper_dev_unlink (net/core/dev.c:9094)
[  533.842839][   T12]  ? synchronize_rcu_expedited (kernel/rcu/tree_exp.h:985)
[  533.842849][   T12]  ? 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)
[  533.842853][   T12]  __dev_set_promiscuity.cold (net/core/dev.c:9672 (discriminator 3))
[  533.842860][   T12]  netif_set_promiscuity (net/core/dev.c:9699)
[  533.842866][   T12]  dev_set_promiscuity (net/core/dev_api.c:288)
[  533.842869][   T12]  ? rtnl_is_locked (net/core/rtnetlink.c:169)
[  533.842874][   T12] ovs_netdev_detach_dev (net/openvswitch/vport-netdev.c:174) openvswitch
[  533.842886][   T12] dp_device_event (net/openvswitch/dp_notify.c:74) openvswitch
[  533.842893][   T12]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  533.842901][   T12]  notifier_call_chain (kernel/notifier.c:85)
[  533.842911][   T12]  unregister_netdevice_many_notify (net/core/dev.c:2313 net/core/dev.c:2327 net/core/dev.c:12518)
[  533.842921][   T12]  ? unregister_netdevice_queued (./include/linux/list.h:419 (discriminator 3))
[  533.842936][   T12]  default_device_exit_batch (net/core/dev.c:12589 net/core/dev.c:13288)
[  533.842942][   T12]  ? unregister_netdevice_queue (./include/linux/list.h:173)
[  533.842947][   T12]  ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3))
[  533.842951][   T12]  ? fou_exit_net (net/ipv4/fou_core.c:1228)
[  533.842958][   T12]  ops_undo_list (net/core/net_namespace.c:206 net/core/net_namespace.c:253)
[  533.842963][   T12]  ? lockdep_hardirqs_on (kernel/locking/lockdep.c:4488)
[  533.842967][   T12]  ? netns_install (./include/linux/ns_common.h:26)
[  533.842969][   T12]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554)
[  533.842972][   T12]  ? idr_destroy (lib/radix-tree.c:310 lib/radix-tree.c:674 lib/radix-tree.c:1563)
[  533.842978][   T12]  cleanup_net (net/core/net_namespace.c:706)
[  533.842981][   T12]  ? net_passive_dec (./include/linux/llist.h:241)
[  533.842985][   T12]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  533.842987][   T12]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  533.842991][   T12]  process_one_work (kernel/workqueue.c:3387)
[  533.842999][   T12]  ? __queue_delayed_work (kernel/workqueue.c:2622)
[  533.843002][   T12]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2))
[  533.843011][   T12]  worker_thread (kernel/workqueue.c:3470 kernel/workqueue.c:3551)
[  533.843019][   T12]  ? rescuer_thread (./include/linux/list.h:419 (discriminator 3))
[  533.843022][   T12]  kthread (kernel/kthread.c:436)
[  533.843025][   T12]  ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22))
[  533.843028][   T12]  ? kthread_affine_preferred (kernel/kthread.c:857)
[  533.843032][   T12]  ret_from_fork (arch/x86/kernel/process.c:158)
[  533.843038][   T12]  ? arch_exit_to_user_mode_prepare.isra.0 (arch/x86/entry/vdso/vma.c:80 (discriminator 1))
[  533.843044][   T12]  ? __switch_to (arch/x86/kernel/process_64.c:403 arch/x86/kernel/process_64.c:663)
[  533.843049][   T12]  ? kthread_affine_preferred (kernel/kthread.c:857)
[  533.843054][   T12]  ret_from_fork_asm (arch/x86/entry/entry_64.S:245)
| [  536.131133][T12638] softirqs last disabled at (396317): __irq_exit_rcu (kernel/softirq.c:679 kernel/softirq.c:519 kernel/softirq.c:767)
| [  536.131136][T12638] Preemption disabled at:
| [  536.131137][T12638] vprintk_emit (kernel/printk/printk.c:2471)
| [  536.131149][T12638] Tainted: [W]=WARN
[  536.131151][T12638] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[  536.131153][T12638] Call Trace:
[  536.131155][T12638]  <TASK>
[  536.131158][T12638]  dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120)
[  536.131165][T12638]  ? vprintk_emit (kernel/printk/printk.c:2471)
[  536.131168][T12638]  __might_resched.cold (kernel/sched/core.c:9234)
[  536.131175][T12638]  ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3))
[  536.131181][T12638]  ? __kmalloc_noprof (./include/linux/sched/mm.h:317 mm/slub.c:4636 mm/slub.c:4974 mm/slub.c:5413 mm/slub.c:5439)
[  536.131189][T12638]  __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))
[  536.131193][T12638]  ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[  536.131204][T12638]  ? 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)
[  536.131208][T12638]  alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[  536.131214][T12638]  put_chars (drivers/char/virtio_console.c:1176)
[  536.131219][T12638]  ? __send_to_port (drivers/char/virtio_console.c:654)
[  536.131221][T12638]  ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4116 (discriminator 3) kernel/rcu/tree.c:4108 (discriminator 3))
[  536.131227][T12638]  ? validate_chain (kernel/locking/lockdep.c:3817 (discriminator 2) kernel/locking/lockdep.c:3837 (discriminator 2) kernel/locking/lockdep.c:3892 (discriminator 2))
[  536.131237][T12638]  hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2))
[  536.131249][T12638]  ? hvc_write (drivers/tty/hvc/hvc_console.c:501)
[  536.131254][T12638]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  536.131258][T12638]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  536.131266][T12638]  console_emit_next_record (kernel/printk/printk.c:3183)
[  536.131274][T12638]  ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20)
[  536.131276][T12638]  ? 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))
[  536.131282][T12638]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  536.131286][T12638]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  536.131293][T12638]  console_flush_one_record (kernel/printk/printk.c:3268)
[  536.131300][T12638]  ? console_emit_next_record (kernel/printk/printk.c:3150)
[  536.131303][T12638]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[  536.131313][T12638]  console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420)
[  536.131317][T12638]  ? console_flush_one_record (kernel/printk/printk.c:3316)
[  536.131321][T12638]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  536.131324][T12638]  ? 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)
[  536.131331][T12638]  ? __down_trylock_console_sem (kernel/printk/printk.c:334)
[  536.131333][T12638]  ? vprintk_emit (kernel/printk/printk.c:2478)
[  536.131338][T12638]  vprintk_emit (kernel/printk/printk.c:2479)
[  536.131344][T12638]  ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126))
[  536.131349][T12638]  ? net_disable_timestamp (./include/linux/workqueue.h:761)
[  536.131353][T12638]  ? net_generic (./include/linux/rcupdate.h:882 ./include/net/netns/generic.h:48) vxlan
[  536.131366][T12638]  _printk (kernel/printk/printk.c:2504)
[  536.131371][T12638]  ? snapshot_read.cold (user.c:?)
[  536.131379][T12638]  ? netdev_name (./include/linux/netdevice.h:5709 (discriminator 1))
[  536.131384][T12638]  ? __netdev_printk (net/core/dev.c:13148 (discriminator 2))
[  536.131391][T12638]  netdev_info (net/core/dev.c:13195 (discriminator 3))
[  536.131395][T12638]  ? netdev_notice (net/core/dev.c:13194)
[  536.131398][T12638]  ? __netdev_upper_dev_unlink (net/core/dev.c:9094)
[  536.131405][T12638]  ? synchronize_rcu_expedited (kernel/rcu/tree_exp.h:985)
[  536.131415][T12638]  ? 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)
[  536.131420][T12638]  __dev_set_promiscuity.cold (net/core/dev.c:9672 (discriminator 3))
[  536.131426][T12638]  netif_set_promiscuity (net/core/dev.c:9699)
[  536.131431][T12638]  dev_set_promiscuity (net/core/dev_api.c:288)
[  536.131435][T12638]  ? rtnl_is_locked (net/core/rtnetlink.c:169)
[  536.131440][T12638] ovs_netdev_detach_dev (net/openvswitch/vport-netdev.c:174) openvswitch
[  536.131448][T12638]  ? netdev_destroy (net/openvswitch/vport-netdev.c:189) openvswitch
[  536.131455][T12638] netdev_destroy (net/openvswitch/vport-netdev.c:194) openvswitch
[  536.131463][T12638] ovs_vport_cmd_del (net/openvswitch/datapath.c:2505) openvswitch
[  536.131477][T12638]  genl_family_rcv_msg_doit (net/netlink/genetlink.c:1114)
[  536.131484][T12638]  ? genl_family_rcv_msg_attrs_parse.isra.0 (./include/net/netlink.h:785 (discriminator 2))
[  536.131499][T12638]  ? security_capable (security/security.c:660 (discriminator 11))
[  536.131506][T12638]  genl_family_rcv_msg (net/netlink/genetlink.c:1194)
[  536.131512][T12638]  ? genl_family_rcv_msg_dumpit (net/netlink/genetlink.c:1079)
[  536.131517][T12638]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380)
[  536.131521][T12638]  ? ovs_dp_detach_port (./include/linux/list.h:1047 (discriminator 2)) openvswitch
[  536.131528][T12638]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[  536.131539][T12638]  genl_rcv_msg (net/netlink/genetlink.c:1209)
[  536.131545][T12638]  netlink_rcv_skb (net/netlink/af_netlink.c:2556)
[  536.131547][T12638]  ? genl_family_rcv_msg (net/netlink/genetlink.c:1136 (discriminator 2))
[  536.131553][T12638]  ? netlink_ack (./include/linux/skbuff.h:2718)
[  536.131567][T12638]  ? 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))
[  536.131570][T12638]  ? 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))
[  536.131578][T12638]  genl_rcv (net/netlink/genetlink.c:1218)
[  536.131581][T12638]  netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[  536.131588][T12638]  ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[  536.131591][T12638]  ? _raw_spin_unlock_irqrestore (./include/linux/spinlock_api_smp.h:210 (discriminator 6) kernel/locking/spinlock.c:221 (discriminator 6))
[  536.131599][T12638]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[  536.131605][T12638]  netlink_sendmsg (net/netlink/af_netlink.c:1900)
[  536.131614][T12638]  ? netlink_unicast (./include/net/net_namespace.h:422 (discriminator 7))
[  536.131616][T12638]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[  536.131622][T12638]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554)
[  536.131630][T12638]  __sock_sendmsg (net/socket.c:800 (discriminator 4) net/socket.c:815 (discriminator 4))
[  536.131634][T12638]  ? fdget (fs/file.c:1200 fs/file.c:1208)
[  536.131640][T12638]  __sys_sendto (net/socket.c:2281)
[  536.131645][T12638]  ? __ia32_sys_getpeername (net/socket.c:2235)
[  536.131666][T12638]  ? exc_page_fault (arch/x86/mm/fault.c:1483 arch/x86/mm/fault.c:1536)
[  536.131676][T12638]  __x64_sys_sendto (net/socket.c:2288 net/socket.c:2284 net/socket.c:2284)
[  536.131685][T12638]  ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22))
[  536.131690][T12638]  ? lockdep_hardirqs_on (kernel/locking/lockdep.c:4488)
[  536.131692][T12638]  ? do_syscall_64 (arch/x86/entry/syscall_64.c:81 (discriminator 44))
[  536.131696][T12638]  do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84)
[  536.131699][T12638]  ? exc_page_fault (arch/x86/mm/fault.c:1489 (discriminator 3) arch/x86/mm/fault.c:1536 (discriminator 3))
[  536.131703][T12638]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[  536.131707][T12638] RIP: 0033:0x7f0546a97312
[  536.131711][T12638] Code: 08 0f 85 71 41 ff ff 49 89 fb 48 89 f0 48 89 d7 48 89 ce 4c 89 c2 4d 89 ca 4c 8b 44 24 08 4c 8b 4c 24 10 4c 89 5c 24 08 0f 05 <c3> 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 00 f3 0f 1e fa 55 bf 01 00
All code
========
   0:	08 0f                	or     %cl,(%rdi)
   2:	85 71 41             	test   %esi,0x41(%rcx)
   5:	ff                   	(bad)
   6:	ff 49 89             	decl   -0x77(%rcx)
   9:	fb                   	sti
   a:	48 89 f0             	mov    %rsi,%rax
   d:	48 89 d7             	mov    %rdx,%rdi
  10:	48 89 ce             	mov    %rcx,%rsi
  13:	4c 89 c2             	mov    %r8,%rdx
  16:	4d 89 ca             	mov    %r9,%r10
  19:	4c 8b 44 24 08       	mov    0x8(%rsp),%r8
  1e:	4c 8b 4c 24 10       	mov    0x10(%rsp),%r9
  23:	4c 89 5c 24 08       	mov    %r11,0x8(%rsp)
  28:	0f 05                	syscall
  2a:*	c3                   	ret		<-- trapping instruction
  2b:	66 2e 0f 1f 84 00 00 	cs nopw 0x0(%rax,%rax,1)
  32:	00 00 00 
  35:	0f 1f 00             	nopl   (%rax)
  38:	f3 0f 1e fa          	endbr64
  3c:	55                   	push   %rbp
  3d:	bf                   	.byte 0xbf
  3e:	01 00                	add    %eax,(%rax)

Code starting with the faulting instruction
===========================================
   0:	c3                   	ret
   1:	66 2e 0f 1f 84 00 00 	cs nopw 0x0(%rax,%rax,1)
   8:	00 00 00 
   b:	0f 1f 00             	nopl   (%rax)
   e:	f3 0f 1e fa          	endbr64
  12:	55                   	push   %rbp
  13:	bf                   	.byte 0xbf
  14:	01 00                	add    %eax,(%rax)
[  536.131714][T12638] RSP: 002b:00007ffff603d5e8 EFLAGS: 00000246 ORIG_RAX: 000000000000002c
[  536.131718][T12638] RAX: ffffffffffffffda RBX: 00007ffff603d718 RCX: 00007f0546a97312
[  536.131720][T12638] RDX: 0000000000000028 RSI: 00007f05426c07b0 RDI: 0000000000000023
[  536.131722][T12638] RBP: 00007ffff603d610 R08: 00007ffff603d790 R09: 000000000000000c
[  536.131723][T12638] R10: 0000000000000000 R11: 0000000000000246 R12: 00007f05448fdfd0
[  536.131724][T12638] R13: 00007ffff603d718 R14: 00007f05463b601a R15: 00007ffff603db08
| [  540.989752][T12746] softirqs last disabled at (388486): __alloc_skb (./include/linux/bottom_half.h:20 (discriminator 2) net/core/skbuff.c:697 (discriminator 2))
| [  540.989756][T12746] Preemption disabled at:
| [  540.989757][T12746] vprintk_emit (kernel/printk/printk.c:2471)
| [  540.989768][T12746] Tainted: [W]=WARN
[  540.989769][T12746] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[  540.989772][T12746] Call Trace:
[  540.989774][T12746]  <TASK>
[  540.989776][T12746]  dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120)
[  540.989784][T12746]  ? vprintk_emit (kernel/printk/printk.c:2471)
[  540.989787][T12746]  __might_resched.cold (kernel/sched/core.c:9234)
[  540.989794][T12746]  ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3))
[  540.989800][T12746]  ? __kmalloc_noprof (./include/linux/sched/mm.h:317 mm/slub.c:4636 mm/slub.c:4974 mm/slub.c:5413 mm/slub.c:5439)
[  540.989807][T12746]  __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))
[  540.989811][T12746]  ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[  540.989821][T12746]  ? 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)
[  540.989825][T12746]  alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[  540.989832][T12746]  put_chars (drivers/char/virtio_console.c:1176)
[  540.989836][T12746]  ? __send_to_port (drivers/char/virtio_console.c:654)
[  540.989841][T12746]  ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4116 (discriminator 3) kernel/rcu/tree.c:4108 (discriminator 3))
[  540.989846][T12746]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380)
[  540.989850][T12746]  ? validate_chain (kernel/locking/lockdep.c:3817 (discriminator 2) kernel/locking/lockdep.c:3837 (discriminator 2) kernel/locking/lockdep.c:3892 (discriminator 2))
[  540.989858][T12746]  hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2))
[  540.989863][T12746]  ? mark_usage (kernel/locking/lockdep.c:4690)
[  540.989867][T12746]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[  540.989869][T12746]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[  540.989877][T12746]  ? hvc_write (drivers/tty/hvc/hvc_console.c:501)
[  540.989880][T12746]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2))
[  540.989889][T12746]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  540.989897][T12746]  console_emit_next_record (kernel/printk/printk.c:3183)
[  540.989907][T12746]  ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20)
[  540.989910][T12746]  ? 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))
[  540.989916][T12746]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  540.989919][T12746]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  540.989926][T12746]  console_flush_one_record (kernel/printk/printk.c:3268)
[  540.989933][T12746]  ? console_emit_next_record (kernel/printk/printk.c:3150)
[  540.989936][T12746]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[  540.989946][T12746]  console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420)
[  540.989950][T12746]  ? console_flush_one_record (kernel/printk/printk.c:3316)
[  540.989953][T12746]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  540.989956][T12746]  ? 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)
[  540.989963][T12746]  ? __down_trylock_console_sem (kernel/printk/printk.c:334)
[  540.989966][T12746]  ? vprintk_emit (kernel/printk/printk.c:2478)
[  540.989971][T12746]  vprintk_emit (kernel/printk/printk.c:2479)
[  540.989977][T12746]  ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126))
[  540.989981][T12746]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554)
[  540.989984][T12746]  ? genl_family_rcv_msg (net/netlink/genetlink.c:1194)
[  540.989993][T12746]  _printk (kernel/printk/printk.c:2504)
[  540.989998][T12746]  ? snapshot_read.cold (user.c:?)
[  540.990001][T12746]  ? ___ratelimit (lib/ratelimit.c:97 (discriminator 3))
[  540.990010][T12746]  ? idr_get_free (??:?)
[  540.990018][T12746]  validate_nla.cold (lib/nlattr.c:414 (discriminator 4))
[  540.990033][T12746]  ? nla_get_range_signed (lib/nlattr.c:270)
[  540.990042][T12746]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  540.990045][T12746]  ? trace_kmalloc (./include/trace/events/kmem.h:57 (discriminator 22))
[  540.990053][T12746]  __nla_validate_parse (lib/nlattr.c:635)
[  540.990061][T12746]  __nla_parse (lib/nlattr.c:732)
[  540.990066][T12746]  genl_family_rcv_msg_attrs_parse.isra.0 (./include/net/netlink.h:789 (discriminator 2) net/netlink/genetlink.c:944 (discriminator 2))
[  540.990075][T12746]  genl_family_rcv_msg_doit (net/netlink/genetlink.c:1092)
[  540.990081][T12746]  ? genl_family_rcv_msg_attrs_parse.isra.0 (./include/net/netlink.h:785 (discriminator 2))
[  540.990096][T12746]  ? security_capable (security/security.c:660 (discriminator 11))
[  540.990103][T12746]  genl_family_rcv_msg (net/netlink/genetlink.c:1194)
[  540.990110][T12746]  ? genl_family_rcv_msg_dumpit (net/netlink/genetlink.c:1079)
[  540.990114][T12746]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380)
[  540.990119][T12746]  ? ovs_dp_cmd_get (./include/net/net_namespace.h:422 (discriminator 7)) openvswitch
[  540.990131][T12746]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[  540.990141][T12746]  genl_rcv_msg (net/netlink/genetlink.c:1209)
[  540.990147][T12746]  netlink_rcv_skb (net/netlink/af_netlink.c:2556)
[  540.990150][T12746]  ? genl_family_rcv_msg (net/netlink/genetlink.c:1136 (discriminator 2))
[  540.990156][T12746]  ? netlink_ack (./include/linux/skbuff.h:2718)
[  540.990169][T12746]  ? 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))
[  540.990173][T12746]  ? 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))
[  540.990181][T12746]  genl_rcv (net/netlink/genetlink.c:1218)
[  540.990184][T12746]  netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[  540.990192][T12746]  ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[  540.990198][T12746]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[  540.990205][T12746]  netlink_sendmsg (net/netlink/af_netlink.c:1900)
[  540.990212][T12746]  ? netlink_unicast (./include/net/net_namespace.h:422 (discriminator 7))
[  540.990215][T12746]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[  540.990220][T12746]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554)
[  540.990229][T12746]  __sock_sendmsg (net/socket.c:800 (discriminator 4) net/socket.c:815 (discriminator 4))
[  540.990233][T12746]  ? fdget (fs/file.c:1200 fs/file.c:1208)
[  540.990239][T12746]  __sys_sendto (net/socket.c:2281)
[  540.990244][T12746]  ? __ia32_sys_getpeername (net/socket.c:2235)
[  540.990265][T12746]  ? fput_close_sync (fs/file_table.c:617)
[  540.990270][T12746]  ? alloc_file_clone (fs/file_table.c:479)
[  540.990278][T12746]  __x64_sys_sendto (net/socket.c:2288 net/socket.c:2284 net/socket.c:2284)
[  540.990282][T12746]  ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22))
[  540.990287][T12746]  ? lockdep_hardirqs_on (kernel/locking/lockdep.c:4488)
[  540.990291][T12746]  ? do_syscall_64 (arch/x86/entry/syscall_64.c:81 (discriminator 44))
[  540.990295][T12746]  do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84)
[  540.990299][T12746]  ? irq_exit_rcu (kernel/softirq.c:786)
[  540.990305][T12746]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[  540.990309][T12746] RIP: 0033:0x7f546c79f312
[  540.990314][T12746] Code: 08 0f 85 71 41 ff ff 49 89 fb 48 89 f0 48 89 d7 48 89 ce 4c 89 c2 4d 89 ca 4c 8b 44 24 08 4c 8b 4c 24 10 4c 89 5c 24 08 0f 05 <c3> 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 00 f3 0f 1e fa 55 bf 01 00
All code
========
   0:	08 0f                	or     %cl,(%rdi)
   2:	85 71 41             	test   %esi,0x41(%rcx)
   5:	ff                   	(bad)
   6:	ff 49 89             	decl   -0x77(%rcx)
   9:	fb                   	sti
   a:	48 89 f0             	mov    %rsi,%rax
   d:	48 89 d7             	mov    %rdx,%rdi
  10:	48 89 ce             	mov    %rcx,%rsi
  13:	4c 89 c2             	mov    %r8,%rdx
  16:	4d 89 ca             	mov    %r9,%r10
  19:	4c 8b 44 24 08       	mov    0x8(%rsp),%r8
  1e:	4c 8b 4c 24 10       	mov    0x10(%rsp),%r9
  23:	4c 89 5c 24 08       	mov    %r11,0x8(%rsp)
  28:	0f 05                	syscall
  2a:*	c3                   	ret		<-- trapping instruction
  2b:	66 2e 0f 1f 84 00 00 	cs nopw 0x0(%rax,%rax,1)
  32:	00 00 00 
  35:	0f 1f 00             	nopl   (%rax)
  38:	f3 0f 1e fa          	endbr64
  3c:	55                   	push   %rbp
  3d:	bf                   	.byte 0xbf
  3e:	01 00                	add    %eax,(%rax)

Code starting with the faulting instruction
===========================================
   0:	c3                   	ret
   1:	66 2e 0f 1f 84 00 00 	cs nopw 0x0(%rax,%rax,1)
   8:	00 00 00 
   b:	0f 1f 00             	nopl   (%rax)
   e:	f3 0f 1e fa          	endbr64
  12:	55                   	push   %rbp
  13:	bf                   	.byte 0xbf
  14:	01 00                	add    %eax,(%rax)
[  540.990317][T12746] RSP: 002b:00007ffc56c5fef8 EFLAGS: 00000246 ORIG_RAX: 000000000000002c
[  540.990322][T12746] RAX: ffffffffffffffda RBX: 00007ffc56c60028 RCX: 00007f546c79f312
[  540.990324][T12746] RDX: 0000000000000044 RSI: 00007f546a4fb3c0 RDI: 0000000000000020
[  540.990326][T12746] RBP: 00007ffc56c5ff20 R08: 00007ffc56c600a0 R09: 000000000000000c
[  540.990328][T12746] R10: 0000000000000000 R11: 0000000000000246 R12: 00007f546a6060b0
[  540.990330][T12746] R13: 00007ffc56c60028 R14: 00007f546c0be01a R15: 00007ffc56c60418
| [  542.512238][T12778] softirqs last disabled at (389287): __irq_exit_rcu (kernel/softirq.c:679 kernel/softirq.c:519 kernel/softirq.c:767)
| [  542.512242][T12778] Preemption disabled at:
| [  542.512243][T12778] vprintk_emit (kernel/printk/printk.c:2471)
| [  542.512256][T12778] Tainted: [W]=WARN
[  542.512258][T12778] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[  542.512261][T12778] Call Trace:
[  542.512263][T12778]  <TASK>
[  542.512266][T12778]  dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120)
[  542.512275][T12778]  ? vprintk_emit (kernel/printk/printk.c:2471)
[  542.512278][T12778]  __might_resched.cold (kernel/sched/core.c:9234)
[  542.512285][T12778]  ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3))
[  542.512292][T12778]  ? __kmalloc_noprof (./include/linux/sched/mm.h:317 mm/slub.c:4636 mm/slub.c:4974 mm/slub.c:5413 mm/slub.c:5439)
[  542.512302][T12778]  __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))
[  542.512306][T12778]  ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[  542.512318][T12778]  ? 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)
[  542.512323][T12778]  alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[  542.512331][T12778]  put_chars (drivers/char/virtio_console.c:1176)
[  542.512336][T12778]  ? __send_to_port (drivers/char/virtio_console.c:654)
[  542.512343][T12778]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380)
[  542.512348][T12778]  ? validate_chain (kernel/locking/lockdep.c:3817 (discriminator 2) kernel/locking/lockdep.c:3837 (discriminator 2) kernel/locking/lockdep.c:3892 (discriminator 2))
[  542.512359][T12778]  hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2))
[  542.512366][T12778]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[  542.512369][T12778]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[  542.512379][T12778]  ? hvc_write (drivers/tty/hvc/hvc_console.c:501)
[  542.512387][T12778]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  542.512391][T12778]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  542.512400][T12778]  console_emit_next_record (kernel/printk/printk.c:3183)
[  542.512408][T12778]  ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20)
[  542.512412][T12778]  ? 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))
[  542.512420][T12778]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  542.512424][T12778]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  542.512434][T12778]  console_flush_one_record (kernel/printk/printk.c:3268)
[  542.512442][T12778]  ? console_emit_next_record (kernel/printk/printk.c:3150)
[  542.512446][T12778]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[  542.512457][T12778]  console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420)
[  542.512463][T12778]  ? console_flush_one_record (kernel/printk/printk.c:3316)
[  542.512466][T12778]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  542.512470][T12778]  ? 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)
[  542.512479][T12778]  ? __down_trylock_console_sem (kernel/printk/printk.c:334)
[  542.512482][T12778]  ? vprintk_emit (kernel/printk/printk.c:2478)
[  542.512493][T12778]  vprintk_emit (kernel/printk/printk.c:2479)
[  542.512500][T12778]  ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126))
[  542.512512][T12778]  _printk (kernel/printk/printk.c:2504)
[  542.512518][T12778]  ? snapshot_read.cold (user.c:?)
[  542.512524][T12778]  ? lockdep_rtnl_is_held (./include/linux/lockdep.h:249 net/core/rtnetlink.c:182)
[  542.512528][T12778]  ? netdev_upper_get_next_dev_rcu (net/core/dev.c:8213 (discriminator 5))
[  542.512535][T12778]  ? __netdev_update_features (net/core/dev.c:11078 (discriminator 2))
[  542.512538][T12778]  ? netdev_name (./include/linux/netdevice.h:5709 (discriminator 1))
[  542.512544][T12778]  ? __netdev_printk (net/core/dev.c:13148 (discriminator 2))
[  542.512552][T12778]  netdev_info (net/core/dev.c:13195 (discriminator 3))
[  542.512557][T12778]  ? netdev_notice (net/core/dev.c:13194)
[  542.512560][T12778]  ? ovs_netdev_link (net/openvswitch/vport-netdev.c:85) openvswitch
[  542.512580][T12778]  ? 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)
[  542.512585][T12778]  __dev_set_promiscuity.cold (net/core/dev.c:9672 (discriminator 3))
[  542.512593][T12778]  netif_set_promiscuity (net/core/dev.c:9699)
[  542.512600][T12778]  dev_set_promiscuity (net/core/dev_api.c:288)
[  542.512604][T12778]  ? dev_disable_lro (net/core/dev_api.c:267)
[  542.512608][T12778] ovs_netdev_link (net/openvswitch/vport-netdev.c:106) openvswitch
[  542.512619][T12778] ovs_vport_add (net/openvswitch/vport.c:209) openvswitch
[  542.512630][T12778] new_vport (net/openvswitch/datapath.c:203) openvswitch
[  542.512638][T12778]  ? ovs_lookup_vport (./include/linux/lockdep.h:249 net/openvswitch/datapath.c:120 net/openvswitch/datapath.c:117 net/openvswitch/datapath.c:190) openvswitch
[  542.512648][T12778] ovs_vport_cmd_new (net/openvswitch/datapath.c:2389) openvswitch
[  542.512660][T12778]  ? ovs_vport_cmd_fill_info.isra.0 (./include/net/netlink.h:1107 (discriminator 1)) openvswitch
[  542.512668][T12778]  ? __nla_validate_parse (lib/nlattr.c:635)
[  542.512678][T12778]  ? __nla_parse (lib/nlattr.c:732)
[  542.512683][T12778]  ? genl_family_rcv_msg_attrs_parse.isra.0 (./include/net/netlink.h:789 (discriminator 2) net/netlink/genetlink.c:944 (discriminator 2))
[  542.512694][T12778]  genl_family_rcv_msg_doit (net/netlink/genetlink.c:1114)
[  542.512701][T12778]  ? genl_family_rcv_msg_attrs_parse.isra.0 (./include/net/netlink.h:785 (discriminator 2))
[  542.512727][T12778]  ? security_capable (security/security.c:660 (discriminator 11))
[  542.512734][T12778]  genl_family_rcv_msg (net/netlink/genetlink.c:1194)
[  542.512740][T12778]  ? genl_family_rcv_msg_dumpit (net/netlink/genetlink.c:1079)
[  542.512745][T12778]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380)
[  542.512749][T12778]  ? ovs_vport_cmd_fill_info.isra.0 (./include/net/netlink.h:1107 (discriminator 1)) openvswitch
[  542.512759][T12778]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[  542.512768][T12778]  genl_rcv_msg (net/netlink/genetlink.c:1209)
[  542.512773][T12778]  netlink_rcv_skb (net/netlink/af_netlink.c:2556)
[  542.512775][T12778]  ? genl_family_rcv_msg (net/netlink/genetlink.c:1136 (discriminator 2))
[  542.512780][T12778]  ? netlink_ack (./include/linux/skbuff.h:2718)
[  542.512789][T12778]  ? 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))
[  542.512792][T12778]  ? 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))
[  542.512797][T12778]  genl_rcv (net/netlink/genetlink.c:1218)
[  542.512800][T12778]  netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[  542.512806][T12778]  ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[  542.512811][T12778]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[  542.512816][T12778]  netlink_sendmsg (net/netlink/af_netlink.c:1900)
[  542.512821][T12778]  ? netlink_unicast (./include/net/net_namespace.h:422 (discriminator 7))
[  542.512823][T12778]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[  542.512827][T12778]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554)
[  542.512833][T12778]  __sock_sendmsg (net/socket.c:800 (discriminator 4) net/socket.c:815 (discriminator 4))
[  542.512837][T12778]  ? fdget (fs/file.c:1200 fs/file.c:1208)
[  542.512841][T12778]  __sys_sendto (net/socket.c:2281)
[  542.512845][T12778]  ? __ia32_sys_getpeername (net/socket.c:2235)
[  542.512859][T12778]  ? exc_page_fault (arch/x86/mm/fault.c:1483 arch/x86/mm/fault.c:1536)
[  542.512867][T12778]  __x64_sys_sendto (net/socket.c:2288 net/socket.c:2284 net/socket.c:2284)
[  542.512870][T12778]  ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22))
[  542.512874][T12778]  ? lockdep_hardirqs_on (kernel/locking/lockdep.c:4488)
[  542.512876][T12778]  ? do_syscall_64 (arch/x86/entry/syscall_64.c:81 (discriminator 44))
[  542.512880][T12778]  do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84)
[  542.512882][T12778]  ? exc_page_fault (arch/x86/mm/fault.c:1489 (discriminator 3) arch/x86/mm/fault.c:1536 (discriminator 3))
[  542.512885][T12778]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[  542.512888][T12778] RIP: 0033:0x7f223c78f312
[  542.512893][T12778] Code: 08 0f 85 71 41 ff ff 49 89 fb 48 89 f0 48 89 d7 48 89 ce 4c 89 c2 4d 89 ca 4c 8b 44 24 08 4c 8b 4c 24 10 4c 89 5c 24 08 0f 05 <c3> 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 00 f3 0f 1e fa 55 bf 01 00
All code
========
   0:	08 0f                	or     %cl,(%rdi)
   2:	85 71 41             	test   %esi,0x41(%rcx)
   5:	ff                   	(bad)
   6:	ff 49 89             	decl   -0x77(%rcx)
   9:	fb                   	sti
   a:	48 89 f0             	mov    %rsi,%rax
   d:	48 89 d7             	mov    %rdx,%rdi
  10:	48 89 ce             	mov    %rcx,%rsi
  13:	4c 89 c2             	mov    %r8,%rdx
  16:	4d 89 ca             	mov    %r9,%r10
  19:	4c 8b 44 24 08       	mov    0x8(%rsp),%r8
  1e:	4c 8b 4c 24 10       	mov    0x10(%rsp),%r9
  23:	4c 89 5c 24 08       	mov    %r11,0x8(%rsp)
  28:	0f 05                	syscall
  2a:*	c3                   	ret		<-- trapping instruction
  2b:	66 2e 0f 1f 84 00 00 	cs nopw 0x0(%rax,%rax,1)
  32:	00 00 00 
  35:	0f 1f 00             	nopl   (%rax)
  38:	f3 0f 1e fa          	endbr64
  3c:	55                   	push   %rbp
  3d:	bf                   	.byte 0xbf
  3e:	01 00                	add    %eax,(%rax)

Code starting with the faulting instruction
===========================================
   0:	c3                   	ret
   1:	66 2e 0f 1f 84 00 00 	cs nopw 0x0(%rax,%rax,1)
   8:	00 00 00 
   b:	0f 1f 00             	nopl   (%rax)
   e:	f3 0f 1e fa          	endbr64
  12:	55                   	push   %rbp
  13:	bf                   	.byte 0xbf
  14:	01 00                	add    %eax,(%rax)
[  542.512895][T12778] RSP: 002b:00007ffc5e38fc18 EFLAGS: 00000246 ORIG_RAX: 000000000000002c
[  542.512898][T12778] RAX: ffffffffffffffda RBX: 00007ffc5e38fd48 RCX: 00007f223c78f312
[  542.512899][T12778] RDX: 0000000000000038 RSI: 00007f22383e0d70 RDI: 0000000000000023
[  542.512900][T12778] RBP: 00007ffc5e38fc40 R08: 00007ffc5e38fdc0 R09: 000000000000000c
[  542.512901][T12778] R10: 0000000000000000 R11: 0000000000000246 R12: 00007f223a5f6190
[  542.512903][T12778] R13: 00007ffc5e38fd48 R14: 00007f223c0ae01a R15: 00007ffc5e390138
| [  543.865086][T12805] softirqs last disabled at (387159): __irq_exit_rcu (kernel/softirq.c:679 kernel/softirq.c:519 kernel/softirq.c:767)
| [  543.865089][T12805] Preemption disabled at:
| [  543.865090][T12805] vprintk_emit (kernel/printk/printk.c:2471)
| [  543.865100][T12805] Tainted: [W]=WARN
[  543.865101][T12805] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[  543.865103][T12805] Call Trace:
[  543.865105][T12805]  <TASK>
[  543.865107][T12805]  dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120)
[  543.865114][T12805]  ? vprintk_emit (kernel/printk/printk.c:2471)
[  543.865116][T12805]  __might_resched.cold (kernel/sched/core.c:9234)
[  543.865121][T12805]  ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3))
[  543.865125][T12805]  ? __kmalloc_noprof (./include/linux/sched/mm.h:317 mm/slub.c:4636 mm/slub.c:4974 mm/slub.c:5413 mm/slub.c:5439)
[  543.865130][T12805]  __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))
[  543.865133][T12805]  ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[  543.865140][T12805]  ? 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)
[  543.865144][T12805]  alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[  543.865149][T12805]  put_chars (drivers/char/virtio_console.c:1176)
[  543.865154][T12805]  ? __send_to_port (drivers/char/virtio_console.c:654)
[  543.865160][T12805]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380)
[  543.865164][T12805]  ? validate_chain (kernel/locking/lockdep.c:3817 (discriminator 2) kernel/locking/lockdep.c:3837 (discriminator 2) kernel/locking/lockdep.c:3892 (discriminator 2))
[  543.865170][T12805]  hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2))
[  543.865175][T12805]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[  543.865177][T12805]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[  543.865183][T12805]  ? hvc_write (drivers/tty/hvc/hvc_console.c:501)
[  543.865188][T12805]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  543.865190][T12805]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  543.865196][T12805]  console_emit_next_record (kernel/printk/printk.c:3183)
[  543.865200][T12805]  ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20)
[  543.865203][T12805]  ? 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))
[  543.865207][T12805]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  543.865211][T12805]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  543.865219][T12805]  console_flush_one_record (kernel/printk/printk.c:3268)
[  543.865225][T12805]  ? console_emit_next_record (kernel/printk/printk.c:3150)
[  543.865228][T12805]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[  543.865234][T12805]  console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420)
[  543.865238][T12805]  ? console_flush_one_record (kernel/printk/printk.c:3316)
[  543.865240][T12805]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  543.865242][T12805]  ? 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)
[  543.865247][T12805]  ? __down_trylock_console_sem (kernel/printk/printk.c:334)
[  543.865249][T12805]  ? vprintk_emit (kernel/printk/printk.c:2478)
[  543.865253][T12805]  vprintk_emit (kernel/printk/printk.c:2479)
[  543.865257][T12805]  ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126))
[  543.865264][T12805]  _printk (kernel/printk/printk.c:2504)
[  543.865270][T12805]  ? snapshot_read.cold (user.c:?)
[  543.865275][T12805]  ? lockdep_rtnl_is_held (./include/linux/lockdep.h:249 net/core/rtnetlink.c:182)
[  543.865279][T12805]  ? netdev_upper_get_next_dev_rcu (net/core/dev.c:8213 (discriminator 5))
[  543.865283][T12805]  ? 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)
[  543.865285][T12805]  ? __netdev_update_features (net/core/dev.c:11078 (discriminator 2))
[  543.865287][T12805]  ? netdev_name (./include/linux/netdevice.h:5709 (discriminator 1))
[  543.865292][T12805]  ? __netdev_printk (net/core/dev.c:13148 (discriminator 2))
[  543.865297][T12805]  netdev_info (net/core/dev.c:13195 (discriminator 3))
[  543.865300][T12805]  ? netdev_notice (net/core/dev.c:13194)
[  543.865302][T12805]  ? ovs_netdev_link (net/openvswitch/vport-netdev.c:85) openvswitch
[  543.865314][T12805]  ? 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)
[  543.865320][T12805]  __dev_set_promiscuity.cold (net/core/dev.c:9672 (discriminator 3))
[  543.865326][T12805]  netif_set_promiscuity (net/core/dev.c:9699)
[  543.865334][T12805]  dev_set_promiscuity (net/core/dev_api.c:288)
[  543.865338][T12805]  ? dev_disable_lro (net/core/dev_api.c:267)
[  543.865341][T12805] ovs_netdev_link (net/openvswitch/vport-netdev.c:106) openvswitch
[  543.865349][T12805] ovs_vport_add (net/openvswitch/vport.c:209) openvswitch
[  543.865355][T12805] new_vport (net/openvswitch/datapath.c:203) openvswitch
[  543.865361][T12805]  ? ovs_lookup_vport (./include/linux/lockdep.h:249 net/openvswitch/datapath.c:120 net/openvswitch/datapath.c:117 net/openvswitch/datapath.c:190) openvswitch
[  543.865367][T12805] ovs_vport_cmd_new (net/openvswitch/datapath.c:2389) openvswitch
[  543.865379][T12805]  ? ovs_vport_cmd_fill_info.isra.0 (./include/net/netlink.h:1107 (discriminator 1)) openvswitch
[  543.865385][T12805]  ? __nla_validate_parse (lib/nlattr.c:635)
[  543.865392][T12805]  ? __nla_parse (lib/nlattr.c:732)
[  543.865396][T12805]  ? genl_family_rcv_msg_attrs_parse.isra.0 (./include/net/netlink.h:789 (discriminator 2) net/netlink/genetlink.c:944 (discriminator 2))
[  543.865402][T12805]  genl_family_rcv_msg_doit (net/netlink/genetlink.c:1114)
[  543.865406][T12805]  ? genl_family_rcv_msg_attrs_parse.isra.0 (./include/net/netlink.h:785 (discriminator 2))
[  543.865417][T12805]  ? security_capable (security/security.c:660 (discriminator 11))
[  543.865424][T12805]  genl_family_rcv_msg (net/netlink/genetlink.c:1194)
[  543.865433][T12805]  ? genl_family_rcv_msg_dumpit (net/netlink/genetlink.c:1079)
[  543.865436][T12805]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380)
[  543.865439][T12805]  ? ovs_vport_cmd_fill_info.isra.0 (./include/net/netlink.h:1107 (discriminator 1)) openvswitch
[  543.865445][T12805]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[  543.865452][T12805]  genl_rcv_msg (net/netlink/genetlink.c:1209)
[  543.865456][T12805]  netlink_rcv_skb (net/netlink/af_netlink.c:2556)
[  543.865459][T12805]  ? genl_family_rcv_msg (net/netlink/genetlink.c:1136 (discriminator 2))
[  543.865463][T12805]  ? netlink_ack (./include/linux/skbuff.h:2718)
[  543.865472][T12805]  ? 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))
[  543.865475][T12805]  ? 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))
[  543.865481][T12805]  genl_rcv (net/netlink/genetlink.c:1218)
[  543.865484][T12805]  netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[  543.865489][T12805]  ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[  543.865492][T12805]  ? _raw_spin_unlock_irqrestore (./include/linux/spinlock_api_smp.h:210 (discriminator 6) kernel/locking/spinlock.c:221 (discriminator 6))
[  543.865500][T12805]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[  543.865507][T12805]  netlink_sendmsg (net/netlink/af_netlink.c:1900)
[  543.865513][T12805]  ? netlink_unicast (./include/net/net_namespace.h:422 (discriminator 7))
[  543.865515][T12805]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[  543.865519][T12805]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554)
[  543.865525][T12805]  __sock_sendmsg (net/socket.c:800 (discriminator 4) net/socket.c:815 (discriminator 4))
[  543.865528][T12805]  ? fdget (fs/file.c:1200 fs/file.c:1208)
[  543.865533][T12805]  __sys_sendto (net/socket.c:2281)
[  543.865537][T12805]  ? __ia32_sys_getpeername (net/socket.c:2235)
[  543.865543][T12805]  ? do_futex (kernel/futex/syscalls.c:138)
[  543.865547][T12805]  ? __ia32_sys_get_robust_list (kernel/futex/syscalls.c:94)
[  543.865556][T12805]  ? do_futex (kernel/futex/syscalls.c:153 (discriminator 1))
[  543.865561][T12805]  __x64_sys_sendto (net/socket.c:2288 net/socket.c:2284 net/socket.c:2284)
[  543.865564][T12805]  ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22))
[  543.865568][T12805]  ? lockdep_hardirqs_on (kernel/locking/lockdep.c:4488)
[  543.865571][T12805]  ? do_syscall_64 (arch/x86/entry/syscall_64.c:81 (discriminator 44))
[  543.865574][T12805]  do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84)
[  543.865576][T12805]  ? irq_exit_rcu (kernel/softirq.c:786)
[  543.865580][T12805]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[  543.865583][T12805] RIP: 0033:0x7f37b26f6312
[  543.865587][T12805] Code: 08 0f 85 71 41 ff ff 49 89 fb 48 89 f0 48 89 d7 48 89 ce 4c 89 c2 4d 89 ca 4c 8b 44 24 08 4c 8b 4c 24 10 4c 89 5c 24 08 0f 05 <c3> 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 00 f3 0f 1e fa 55 bf 01 00
All code
========
   0:	08 0f                	or     %cl,(%rdi)
   2:	85 71 41             	test   %esi,0x41(%rcx)
   5:	ff                   	(bad)
   6:	ff 49 89             	decl   -0x77(%rcx)
   9:	fb                   	sti
   a:	48 89 f0             	mov    %rsi,%rax
   d:	48 89 d7             	mov    %rdx,%rdi
  10:	48 89 ce             	mov    %rcx,%rsi
  13:	4c 89 c2             	mov    %r8,%rdx
  16:	4d 89 ca             	mov    %r9,%r10
  19:	4c 8b 44 24 08       	mov    0x8(%rsp),%r8
  1e:	4c 8b 4c 24 10       	mov    0x10(%rsp),%r9
  23:	4c 89 5c 24 08       	mov    %r11,0x8(%rsp)
  28:	0f 05                	syscall
  2a:*	c3                   	ret		<-- trapping instruction
  2b:	66 2e 0f 1f 84 00 00 	cs nopw 0x0(%rax,%rax,1)
  32:	00 00 00 
  35:	0f 1f 00             	nopl   (%rax)
  38:	f3 0f 1e fa          	endbr64
  3c:	55                   	push   %rbp
  3d:	bf                   	.byte 0xbf
  3e:	01 00                	add    %eax,(%rax)

Code starting with the faulting instruction
===========================================
   0:	c3                   	ret
   1:	66 2e 0f 1f 84 00 00 	cs nopw 0x0(%rax,%rax,1)
   8:	00 00 00 
   b:	0f 1f 00             	nopl   (%rax)
   e:	f3 0f 1e fa          	endbr64
  12:	55                   	push   %rbp
  13:	bf                   	.byte 0xbf
  14:	01 00                	add    %eax,(%rax)
[  543.865589][T12805] RSP: 002b:00007fff98a43a18 EFLAGS: 00000246 ORIG_RAX: 000000000000002c
[  543.865592][T12805] RAX: ffffffffffffffda RBX: 00007fff98a43b48 RCX: 00007f37b26f6312
[  543.865594][T12805] RDX: 0000000000000038 RSI: 00007f37ac1c0cf0 RDI: 0000000000000023
[  543.865595][T12805] RBP: 00007fff98a43a40 R08: 00007fff98a43bc0 R09: 000000000000000c
[  543.865596][T12805] R10: 0000000000000000 R11: 0000000000000246 R12: 00007f37b055a190
[  543.865597][T12805] R13: 00007fff98a43b48 R14: 00007f37b201501a R15: 00007fff98a43f38
| [  554.074756][   T12] softirqs last disabled at (10682468): __neigh_ifdown.isra.0 (./include/linux/spinlock.h:353 net/core/neighbour.c:464)
| [  554.074758][   T12] Preemption disabled at:
| [  554.074759][   T12] vprintk_emit (kernel/printk/printk.c:2471)
| [  554.074769][   T12] Tainted: [W]=WARN
[  554.074770][   T12] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[  554.074772][   T12] Workqueue: netns cleanup_net
[  554.074775][   T12] Call Trace:
[  554.074777][   T12]  <TASK>
[  554.074779][   T12]  dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120)
[  554.074785][   T12]  ? vprintk_emit (kernel/printk/printk.c:2471)
[  554.074786][   T12]  __might_resched.cold (kernel/sched/core.c:9234)
[  554.074799][   T12]  ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3))
[  554.074804][   T12]  ? __kmalloc_noprof (./include/linux/sched/mm.h:317 mm/slub.c:4636 mm/slub.c:4974 mm/slub.c:5413 mm/slub.c:5439)
[  554.074811][   T12]  __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))
[  554.074815][   T12]  ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[  554.074823][   T12]  ? 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)
[  554.074826][   T12]  alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[  554.074831][   T12]  put_chars (drivers/char/virtio_console.c:1176)
[  554.074832][   T12]  ? prb_final_commit (kernel/printk/printk_ringbuffer.c:1842)
[  554.074835][   T12]  ? __send_to_port (drivers/char/virtio_console.c:654)
[  554.074839][   T12]  ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4116 (discriminator 3) kernel/rcu/tree.c:4108 (discriminator 3))
[  554.074842][   T12]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380)
[  554.074845][   T12]  ? validate_chain (kernel/locking/lockdep.c:3817 (discriminator 2) kernel/locking/lockdep.c:3837 (discriminator 2) kernel/locking/lockdep.c:3892 (discriminator 2))
[  554.074849][   T12]  hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2))
[  554.074854][   T12]  ? mark_usage (kernel/locking/lockdep.c:4690)
[  554.074856][   T12]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[  554.074858][   T12]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[  554.074863][   T12]  ? hvc_write (drivers/tty/hvc/hvc_console.c:501)
[  554.074866][   T12]  ? console_emit_next_record (kernel/printk/printk.c:3095 (discriminator 2) kernel/printk/printk.c:3182 (discriminator 2))
[  554.074870][   T12]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  554.074872][   T12]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  554.074876][   T12]  console_emit_next_record (kernel/printk/printk.c:3183)
[  554.074881][   T12]  ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20)
[  554.074883][   T12]  ? 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))
[  554.074887][   T12]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  554.074889][   T12]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  554.074893][   T12]  console_flush_one_record (kernel/printk/printk.c:3268)
[  554.074901][   T12]  ? console_emit_next_record (kernel/printk/printk.c:3150)
[  554.074904][   T12]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[  554.074910][   T12]  console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420)
[  554.074913][   T12]  ? console_flush_one_record (kernel/printk/printk.c:3316)
[  554.074916][   T12]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  554.074918][   T12]  ? 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)
[  554.074922][   T12]  ? __down_trylock_console_sem (kernel/printk/printk.c:334)
[  554.074924][   T12]  ? vprintk_emit (kernel/printk/printk.c:2478)
[  554.074927][   T12]  vprintk_emit (kernel/printk/printk.c:2479)
[  554.074931][   T12]  ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126))
[  554.074934][   T12]  ? net_disable_timestamp (./include/linux/workqueue.h:761)
[  554.074936][   T12]  ? net_generic (./include/linux/rcupdate.h:882 ./include/net/netns/generic.h:48) vxlan
[  554.074946][   T12]  _printk (kernel/printk/printk.c:2504)
[  554.074950][   T12]  ? snapshot_read.cold (user.c:?)
[  554.074955][   T12]  ? netdev_name (./include/linux/netdevice.h:5709 (discriminator 1))
[  554.074959][   T12]  ? __netdev_printk (net/core/dev.c:13148 (discriminator 2))
[  554.074963][   T12]  netdev_info (net/core/dev.c:13195 (discriminator 3))
[  554.074966][   T12]  ? netdev_notice (net/core/dev.c:13194)
[  554.074968][   T12]  ? __netdev_upper_dev_unlink (net/core/dev.c:9094)
[  554.074973][   T12]  ? synchronize_rcu_expedited (kernel/rcu/tree_exp.h:985)
[  554.074979][   T12]  ? 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)
[  554.074981][   T12]  __dev_set_promiscuity.cold (net/core/dev.c:9672 (discriminator 3))
[  554.074986][   T12]  netif_set_promiscuity (net/core/dev.c:9699)
[  554.074990][   T12]  dev_set_promiscuity (net/core/dev_api.c:288)
[  554.074992][   T12]  ? rtnl_is_locked (net/core/rtnetlink.c:169)
[  554.074995][   T12] ovs_netdev_detach_dev (net/openvswitch/vport-netdev.c:174) openvswitch
[  554.075002][   T12] dp_device_event (net/openvswitch/dp_notify.c:74) openvswitch
[  554.075007][   T12]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  554.075011][   T12]  notifier_call_chain (kernel/notifier.c:85)
[  554.075017][   T12]  unregister_netdevice_many_notify (net/core/dev.c:2313 net/core/dev.c:2327 net/core/dev.c:12518)
[  554.075023][   T12]  ? unregister_netdevice_queued (./include/linux/list.h:419 (discriminator 3))
[  554.075031][   T12]  default_device_exit_batch (net/core/dev.c:12589 net/core/dev.c:13288)
[  554.075035][   T12]  ? unregister_netdevice_queue (./include/linux/list.h:173)
[  554.075038][   T12]  ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3))
[  554.075040][   T12]  ? fou_exit_net (net/ipv4/fou_core.c:1228)
[  554.075045][   T12]  ops_undo_list (net/core/net_namespace.c:206 net/core/net_namespace.c:253)
[  554.075049][   T12]  ? lockdep_hardirqs_on (kernel/locking/lockdep.c:4488)
[  554.075053][   T12]  ? netns_install (./include/linux/ns_common.h:26)
[  554.075055][   T12]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554)
[  554.075059][   T12]  ? idr_destroy (lib/radix-tree.c:310 lib/radix-tree.c:674 lib/radix-tree.c:1563)
[  554.075064][   T12]  cleanup_net (net/core/net_namespace.c:706)
[  554.075067][   T12]  ? net_passive_dec (./include/linux/llist.h:241)
[  554.075072][   T12]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  554.075074][   T12]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  554.075078][   T12]  process_one_work (kernel/workqueue.c:3387)
[  554.075085][   T12]  ? __queue_delayed_work (kernel/workqueue.c:2622)
[  554.075088][   T12]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2))
[  554.075097][   T12]  worker_thread (kernel/workqueue.c:3470 kernel/workqueue.c:3551)
[  554.075105][   T12]  ? rescuer_thread (./include/linux/list.h:419 (discriminator 3))
[  554.075107][   T12]  kthread (kernel/kthread.c:436)
[  554.075110][   T12]  ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22))
[  554.075114][   T12]  ? kthread_affine_preferred (kernel/kthread.c:857)
[  554.075117][   T12]  ret_from_fork (arch/x86/kernel/process.c:158)
[  554.075122][   T12]  ? arch_exit_to_user_mode_prepare.isra.0 (arch/x86/entry/vdso/vma.c:80 (discriminator 1))
[  554.075125][   T12]  ? __switch_to (arch/x86/kernel/process_64.c:403 arch/x86/kernel/process_64.c:663)
[  554.075129][   T12]  ? kthread_affine_preferred (kernel/kthread.c:857)
[  554.075132][   T12]  ret_from_fork_asm (arch/x86/entry/entry_64.S:245)
| [  556.168461][T13018] softirqs last disabled at (385444): inet6_fill_ifla6_attrs (net/ipv6/addrconf.c:5883)
| [  556.168464][T13018] Preemption disabled at:
| [  556.168466][T13018] vprintk_emit (kernel/printk/printk.c:2471)
| [  556.168478][T13018] Tainted: [W]=WARN
[  556.168479][T13018] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[  556.168481][T13018] Call Trace:
[  556.168483][T13018]  <TASK>
[  556.168486][T13018]  dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120)
[  556.168494][T13018]  ? vprintk_emit (kernel/printk/printk.c:2471)
[  556.168497][T13018]  __might_resched.cold (kernel/sched/core.c:9234)
[  556.168503][T13018]  ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3))
[  556.168509][T13018]  ? __kmalloc_noprof (./include/linux/sched/mm.h:317 mm/slub.c:4636 mm/slub.c:4974 mm/slub.c:5413 mm/slub.c:5439)
[  556.168516][T13018]  __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))
[  556.168520][T13018]  ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[  556.168530][T13018]  ? 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)
[  556.168534][T13018]  alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[  556.168541][T13018]  put_chars (drivers/char/virtio_console.c:1176)
[  556.168545][T13018]  ? __send_to_port (drivers/char/virtio_console.c:654)
[  556.168547][T13018]  ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4116 (discriminator 3) kernel/rcu/tree.c:4108 (discriminator 3))
[  556.168553][T13018]  ? validate_chain (kernel/locking/lockdep.c:3817 (discriminator 2) kernel/locking/lockdep.c:3837 (discriminator 2) kernel/locking/lockdep.c:3892 (discriminator 2))
[  556.168564][T13018]  hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2))
[  556.168577][T13018]  ? hvc_write (drivers/tty/hvc/hvc_console.c:501)
[  556.168582][T13018]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  556.168586][T13018]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  556.168593][T13018]  console_emit_next_record (kernel/printk/printk.c:3183)
[  556.168601][T13018]  ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20)
[  556.168603][T13018]  ? 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))
[  556.168609][T13018]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  556.168613][T13018]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  556.168621][T13018]  console_flush_one_record (kernel/printk/printk.c:3268)
[  556.168628][T13018]  ? console_emit_next_record (kernel/printk/printk.c:3150)
[  556.168632][T13018]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[  556.168642][T13018]  console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420)
[  556.168647][T13018]  ? console_flush_one_record (kernel/printk/printk.c:3316)
[  556.168650][T13018]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  556.168653][T13018]  ? 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)
[  556.168660][T13018]  ? __down_trylock_console_sem (kernel/printk/printk.c:334)
[  556.168663][T13018]  ? vprintk_emit (kernel/printk/printk.c:2478)
[  556.168669][T13018]  vprintk_emit (kernel/printk/printk.c:2479)
[  556.168675][T13018]  ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126))
[  556.168680][T13018]  ? net_disable_timestamp (./include/linux/workqueue.h:761)
[  556.168684][T13018]  ? net_generic (./include/linux/rcupdate.h:882 ./include/net/netns/generic.h:48) vxlan
[  556.168697][T13018]  _printk (kernel/printk/printk.c:2504)
[  556.168703][T13018]  ? snapshot_read.cold (user.c:?)
[  556.168711][T13018]  ? netdev_name (./include/linux/netdevice.h:5709 (discriminator 1))
[  556.168716][T13018]  ? __netdev_printk (net/core/dev.c:13148 (discriminator 2))
[  556.168724][T13018]  netdev_info (net/core/dev.c:13195 (discriminator 3))
[  556.168728][T13018]  ? netdev_notice (net/core/dev.c:13194)
[  556.168731][T13018]  ? __netdev_upper_dev_unlink (net/core/dev.c:9094)
[  556.168739][T13018]  ? synchronize_rcu_expedited (kernel/rcu/tree_exp.h:985)
[  556.168748][T13018]  ? 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)
[  556.168753][T13018]  __dev_set_promiscuity.cold (net/core/dev.c:9672 (discriminator 3))
[  556.168759][T13018]  netif_set_promiscuity (net/core/dev.c:9699)
[  556.168765][T13018]  dev_set_promiscuity (net/core/dev_api.c:288)
[  556.168768][T13018]  ? rtnl_is_locked (net/core/rtnetlink.c:169)
[  556.168774][T13018] ovs_netdev_detach_dev (net/openvswitch/vport-netdev.c:174) openvswitch
[  556.168781][T13018]  ? netdev_destroy (net/openvswitch/vport-netdev.c:189) openvswitch
[  556.168788][T13018] netdev_destroy (net/openvswitch/vport-netdev.c:194) openvswitch
[  556.168797][T13018] ovs_vport_cmd_del (net/openvswitch/datapath.c:2505) openvswitch
[  556.168817][T13018]  genl_family_rcv_msg_doit (net/netlink/genetlink.c:1114)
[  556.168824][T13018]  ? genl_family_rcv_msg_attrs_parse.isra.0 (./include/net/netlink.h:785 (discriminator 2))
[  556.168840][T13018]  ? security_capable (security/security.c:660 (discriminator 11))
[  556.168847][T13018]  genl_family_rcv_msg (net/netlink/genetlink.c:1194)
[  556.168854][T13018]  ? genl_family_rcv_msg_dumpit (net/netlink/genetlink.c:1079)
[  556.168859][T13018]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380)
[  556.168863][T13018]  ? ovs_dp_detach_port (./include/linux/list.h:1047 (discriminator 2)) openvswitch
[  556.168871][T13018]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[  556.168882][T13018]  genl_rcv_msg (net/netlink/genetlink.c:1209)
[  556.168888][T13018]  netlink_rcv_skb (net/netlink/af_netlink.c:2556)
[  556.168891][T13018]  ? genl_family_rcv_msg (net/netlink/genetlink.c:1136 (discriminator 2))
[  556.168901][T13018]  ? netlink_ack (./include/linux/skbuff.h:2718)
[  556.168916][T13018]  ? 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))
[  556.168919][T13018]  ? 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))
[  556.168926][T13018]  genl_rcv (net/netlink/genetlink.c:1218)
[  556.168930][T13018]  netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[  556.168938][T13018]  ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[  556.168945][T13018]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[  556.168951][T13018]  netlink_sendmsg (net/netlink/af_netlink.c:1900)
[  556.168959][T13018]  ? netlink_unicast (./include/net/net_namespace.h:422 (discriminator 7))
[  556.168962][T13018]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[  556.168967][T13018]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554)
[  556.168977][T13018]  __sock_sendmsg (net/socket.c:800 (discriminator 4) net/socket.c:815 (discriminator 4))
[  556.168981][T13018]  ? fdget (fs/file.c:1200 fs/file.c:1208)
[  556.168987][T13018]  __sys_sendto (net/socket.c:2281)
[  556.168992][T13018]  ? __ia32_sys_getpeername (net/socket.c:2235)
[  556.169014][T13018]  ? exc_page_fault (arch/x86/mm/fault.c:1483 arch/x86/mm/fault.c:1536)
[  556.169025][T13018]  __x64_sys_sendto (net/socket.c:2288 net/socket.c:2284 net/socket.c:2284)
[  556.169029][T13018]  ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22))
[  556.169034][T13018]  ? lockdep_hardirqs_on (kernel/locking/lockdep.c:4488)
[  556.169037][T13018]  ? do_syscall_64 (arch/x86/entry/syscall_64.c:81 (discriminator 44))
[  556.169040][T13018]  do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84)
[  556.169043][T13018]  ? exc_page_fault (arch/x86/mm/fault.c:1489 (discriminator 3) arch/x86/mm/fault.c:1536 (discriminator 3))
[  556.169048][T13018]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[  556.169051][T13018] RIP: 0033:0x7f5ac4209312
[  556.169056][T13018] Code: 08 0f 85 71 41 ff ff 49 89 fb 48 89 f0 48 89 d7 48 89 ce 4c 89 c2 4d 89 ca 4c 8b 44 24 08 4c 8b 4c 24 10 4c 89 5c 24 08 0f 05 <c3> 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 00 f3 0f 1e fa 55 bf 01 00
All code
========
   0:	08 0f                	or     %cl,(%rdi)
   2:	85 71 41             	test   %esi,0x41(%rcx)
   5:	ff                   	(bad)
   6:	ff 49 89             	decl   -0x77(%rcx)
   9:	fb                   	sti
   a:	48 89 f0             	mov    %rsi,%rax
   d:	48 89 d7             	mov    %rdx,%rdi
  10:	48 89 ce             	mov    %rcx,%rsi
  13:	4c 89 c2             	mov    %r8,%rdx
  16:	4d 89 ca             	mov    %r9,%r10
  19:	4c 8b 44 24 08       	mov    0x8(%rsp),%r8
  1e:	4c 8b 4c 24 10       	mov    0x10(%rsp),%r9
  23:	4c 89 5c 24 08       	mov    %r11,0x8(%rsp)
  28:	0f 05                	syscall
  2a:*	c3                   	ret		<-- trapping instruction
  2b:	66 2e 0f 1f 84 00 00 	cs nopw 0x0(%rax,%rax,1)
  32:	00 00 00 
  35:	0f 1f 00             	nopl   (%rax)
  38:	f3 0f 1e fa          	endbr64
  3c:	55                   	push   %rbp
  3d:	bf                   	.byte 0xbf
  3e:	01 00                	add    %eax,(%rax)

Code starting with the faulting instruction
===========================================
   0:	c3                   	ret
   1:	66 2e 0f 1f 84 00 00 	cs nopw 0x0(%rax,%rax,1)
   8:	00 00 00 
   b:	0f 1f 00             	nopl   (%rax)
   e:	f3 0f 1e fa          	endbr64
  12:	55                   	push   %rbp
  13:	bf                   	.byte 0xbf
  14:	01 00                	add    %eax,(%rax)
[  556.169059][T13018] RSP: 002b:00007ffeec14b4d8 EFLAGS: 00000246 ORIG_RAX: 000000000000002c
[  556.169063][T13018] RAX: ffffffffffffffda RBX: 00007ffeec14b608 RCX: 00007f5ac4209312
[  556.169065][T13018] RDX: 0000000000000028 RSI: 00007f5ac065cde0 RDI: 0000000000000023
[  556.169066][T13018] RBP: 00007ffeec14b500 R08: 00007ffeec14b680 R09: 000000000000000c
[  556.169068][T13018] R10: 0000000000000000 R11: 0000000000000246 R12: 00007f5ac2061fd0
[  556.169069][T13018] R13: 00007ffeec14b608 R14: 00007f5ac3b2801a R15: 00007ffeec14b9f8
| [  561.185068][T13138] softirqs last disabled at (396038): __alloc_skb (./include/linux/bottom_half.h:20 (discriminator 2) net/core/skbuff.c:697 (discriminator 2))
| [  561.185070][T13138] Preemption disabled at:
| [  561.185071][T13138] vprintk_emit (kernel/printk/printk.c:2471)
| [  561.185080][T13138] Tainted: [W]=WARN
[  561.185081][T13138] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[  561.185083][T13138] Call Trace:
[  561.185085][T13138]  <TASK>
[  561.185086][T13138]  dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120)
[  561.185092][T13138]  ? vprintk_emit (kernel/printk/printk.c:2471)
[  561.185094][T13138]  __might_resched.cold (kernel/sched/core.c:9234)
[  561.185099][T13138]  ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3))
[  561.185103][T13138]  ? __kmalloc_noprof (./include/linux/sched/mm.h:317 mm/slub.c:4636 mm/slub.c:4974 mm/slub.c:5413 mm/slub.c:5439)
[  561.185108][T13138]  __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))
[  561.185110][T13138]  ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[  561.185117][T13138]  ? 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)
[  561.185120][T13138]  alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[  561.185124][T13138]  put_chars (drivers/char/virtio_console.c:1176)
[  561.185126][T13138]  ? __send_to_port (drivers/char/virtio_console.c:654)
[  561.185129][T13138]  ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4116 (discriminator 3) kernel/rcu/tree.c:4108 (discriminator 3))
[  561.185133][T13138]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380)
[  561.185136][T13138]  ? validate_chain (kernel/locking/lockdep.c:3817 (discriminator 2) kernel/locking/lockdep.c:3837 (discriminator 2) kernel/locking/lockdep.c:3892 (discriminator 2))
[  561.185140][T13138]  hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2))
[  561.185144][T13138]  ? mark_usage (kernel/locking/lockdep.c:4690)
[  561.185146][T13138]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[  561.185148][T13138]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[  561.185153][T13138]  ? hvc_write (drivers/tty/hvc/hvc_console.c:501)
[  561.185155][T13138]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2))
[  561.185159][T13138]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  561.185164][T13138]  console_emit_next_record (kernel/printk/printk.c:3183)
[  561.185168][T13138]  ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20)
[  561.185170][T13138]  ? 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))
[  561.185173][T13138]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  561.185176][T13138]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  561.185180][T13138]  console_flush_one_record (kernel/printk/printk.c:3268)
[  561.185184][T13138]  ? console_emit_next_record (kernel/printk/printk.c:3150)
[  561.185186][T13138]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[  561.185192][T13138]  console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420)
[  561.185195][T13138]  ? console_flush_one_record (kernel/printk/printk.c:3316)
[  561.185197][T13138]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  561.185199][T13138]  ? 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)
[  561.185203][T13138]  ? __down_trylock_console_sem (kernel/printk/printk.c:334)
[  561.185205][T13138]  ? vprintk_emit (kernel/printk/printk.c:2478)
[  561.185208][T13138]  vprintk_emit (kernel/printk/printk.c:2479)
[  561.185211][T13138]  ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126))
[  561.185214][T13138]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554)
[  561.185216][T13138]  ? genl_family_rcv_msg (net/netlink/genetlink.c:1194)
[  561.185221][T13138]  _printk (kernel/printk/printk.c:2504)
[  561.185224][T13138]  ? snapshot_read.cold (user.c:?)
[  561.185226][T13138]  ? ___ratelimit (lib/ratelimit.c:97 (discriminator 3))
[  561.185232][T13138]  ? idr_get_free (??:?)
[  561.185238][T13138]  validate_nla.cold (lib/nlattr.c:414 (discriminator 4))
[  561.185248][T13138]  ? nla_get_range_signed (lib/nlattr.c:270)
[  561.185254][T13138]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  561.185256][T13138]  ? trace_kmalloc (./include/trace/events/kmem.h:57 (discriminator 22))
[  561.185260][T13138]  __nla_validate_parse (lib/nlattr.c:635)
[  561.185265][T13138]  __nla_parse (lib/nlattr.c:732)
[  561.185268][T13138]  genl_family_rcv_msg_attrs_parse.isra.0 (./include/net/netlink.h:789 (discriminator 2) net/netlink/genetlink.c:944 (discriminator 2))
[  561.185273][T13138]  genl_family_rcv_msg_doit (net/netlink/genetlink.c:1092)
[  561.185277][T13138]  ? genl_family_rcv_msg_attrs_parse.isra.0 (./include/net/netlink.h:785 (discriminator 2))
[  561.185286][T13138]  ? security_capable (security/security.c:660 (discriminator 11))
[  561.185290][T13138]  genl_family_rcv_msg (net/netlink/genetlink.c:1194)
[  561.185294][T13138]  ? genl_family_rcv_msg_dumpit (net/netlink/genetlink.c:1079)
[  561.185297][T13138]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380)
[  561.185300][T13138]  ? ovs_dp_cmd_get (./include/net/net_namespace.h:422 (discriminator 7)) openvswitch
[  561.185308][T13138]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[  561.185314][T13138]  genl_rcv_msg (net/netlink/genetlink.c:1209)
[  561.185318][T13138]  netlink_rcv_skb (net/netlink/af_netlink.c:2556)
[  561.185320][T13138]  ? genl_family_rcv_msg (net/netlink/genetlink.c:1136 (discriminator 2))
[  561.185324][T13138]  ? netlink_ack (./include/linux/skbuff.h:2718)
[  561.185331][T13138]  ? 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))
[  561.185333][T13138]  ? 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))
[  561.185338][T13138]  genl_rcv (net/netlink/genetlink.c:1218)
[  561.185340][T13138]  netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[  561.185344][T13138]  ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[  561.185348][T13138]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[  561.185352][T13138]  netlink_sendmsg (net/netlink/af_netlink.c:1900)
[  561.185356][T13138]  ? netlink_unicast (./include/net/net_namespace.h:422 (discriminator 7))
[  561.185358][T13138]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[  561.185361][T13138]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554)
[  561.185367][T13138]  __sock_sendmsg (net/socket.c:800 (discriminator 4) net/socket.c:815 (discriminator 4))
[  561.185370][T13138]  ? fdget (fs/file.c:1200 fs/file.c:1208)
[  561.185374][T13138]  __sys_sendto (net/socket.c:2281)
[  561.185377][T13138]  ? __ia32_sys_getpeername (net/socket.c:2235)
[  561.185383][T13138]  ? rcutree_report_cpu_dead (kernel/rcu/tree.c:4507)
[  561.185392][T13138]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554)
[  561.185396][T13138]  __x64_sys_sendto (net/socket.c:2288 net/socket.c:2284 net/socket.c:2284)
[  561.185398][T13138]  ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22))
[  561.185402][T13138]  ? lockdep_hardirqs_on (kernel/locking/lockdep.c:4488)
[  561.185404][T13138]  ? do_syscall_64 (arch/x86/entry/syscall_64.c:81 (discriminator 44))
[  561.185407][T13138]  do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84)
[  561.185409][T13138]  ? irq_exit_rcu (kernel/softirq.c:786)
[  561.185413][T13138]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[  561.185416][T13138] RIP: 0033:0x7f4a09c47312
[  561.185420][T13138] Code: 08 0f 85 71 41 ff ff 49 89 fb 48 89 f0 48 89 d7 48 89 ce 4c 89 c2 4d 89 ca 4c 8b 44 24 08 4c 8b 4c 24 10 4c 89 5c 24 08 0f 05 <c3> 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 00 f3 0f 1e fa 55 bf 01 00
All code
========
   0:	08 0f                	or     %cl,(%rdi)
   2:	85 71 41             	test   %esi,0x41(%rcx)
   5:	ff                   	(bad)
   6:	ff 49 89             	decl   -0x77(%rcx)
   9:	fb                   	sti
   a:	48 89 f0             	mov    %rsi,%rax
   d:	48 89 d7             	mov    %rdx,%rdi
  10:	48 89 ce             	mov    %rcx,%rsi
  13:	4c 89 c2             	mov    %r8,%rdx
  16:	4d 89 ca             	mov    %r9,%r10
  19:	4c 8b 44 24 08       	mov    0x8(%rsp),%r8
  1e:	4c 8b 4c 24 10       	mov    0x10(%rsp),%r9
  23:	4c 89 5c 24 08       	mov    %r11,0x8(%rsp)
  28:	0f 05                	syscall
  2a:*	c3                   	ret		<-- trapping instruction
  2b:	66 2e 0f 1f 84 00 00 	cs nopw 0x0(%rax,%rax,1)
  32:	00 00 00 
  35:	0f 1f 00             	nopl   (%rax)
  38:	f3 0f 1e fa          	endbr64
  3c:	55                   	push   %rbp
  3d:	bf                   	.byte 0xbf
  3e:	01 00                	add    %eax,(%rax)

Code starting with the faulting instruction
===========================================
   0:	c3                   	ret
   1:	66 2e 0f 1f 84 00 00 	cs nopw 0x0(%rax,%rax,1)
   8:	00 00 00 
   b:	0f 1f 00             	nopl   (%rax)
   e:	f3 0f 1e fa          	endbr64
  12:	55                   	push   %rbp
  13:	bf                   	.byte 0xbf
  14:	01 00                	add    %eax,(%rax)
[  561.185422][T13138] RSP: 002b:00007ffd77d3a4e8 EFLAGS: 00000246 ORIG_RAX: 000000000000002c
[  561.185425][T13138] RAX: ffffffffffffffda RBX: 00007ffd77d3a618 RCX: 00007f4a09c47312
[  561.185426][T13138] RDX: 0000000000000044 RSI: 00007f4a0581a5b0 RDI: 0000000000000020
[  561.185427][T13138] RBP: 00007ffd77d3a510 R08: 00007ffd77d3a690 R09: 000000000000000c
[  561.185428][T13138] R10: 0000000000000000 R11: 0000000000000246 R12: 00007f4a07aaa0b0
[  561.185429][T13138] R13: 00007ffd77d3a618 R14: 00007f4a0956601a R15: 00007ffd77d3aa08
| [  562.590835][T13170] softirqs last disabled at (388614): inet6_fill_ifla6_attrs (net/ipv6/addrconf.c:5883)
| [  562.590837][T13170] Preemption disabled at:
| [  562.590838][T13170] vprintk_emit (kernel/printk/printk.c:2471)
| [  562.590853][T13170] Tainted: [W]=WARN
[  562.590854][T13170] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[  562.590856][T13170] Call Trace:
[  562.590858][T13170]  <TASK>
[  562.590860][T13170]  dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120)
[  562.590866][T13170]  ? vprintk_emit (kernel/printk/printk.c:2471)
[  562.590868][T13170]  __might_resched.cold (kernel/sched/core.c:9234)
[  562.590873][T13170]  ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3))
[  562.590877][T13170]  ? __kmalloc_noprof (./include/linux/sched/mm.h:317 mm/slub.c:4636 mm/slub.c:4974 mm/slub.c:5413 mm/slub.c:5439)
[  562.590882][T13170]  __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))
[  562.590884][T13170]  ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[  562.590891][T13170]  ? 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)
[  562.590894][T13170]  alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[  562.590901][T13170]  put_chars (drivers/char/virtio_console.c:1176)
[  562.590904][T13170]  ? __send_to_port (drivers/char/virtio_console.c:654)
[  562.590907][T13170]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380)
[  562.590911][T13170]  ? validate_chain (kernel/locking/lockdep.c:3817 (discriminator 2) kernel/locking/lockdep.c:3837 (discriminator 2) kernel/locking/lockdep.c:3892 (discriminator 2))
[  562.590916][T13170]  hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2))
[  562.590920][T13170]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[  562.590922][T13170]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[  562.590927][T13170]  ? hvc_write (drivers/tty/hvc/hvc_console.c:501)
[  562.590931][T13170]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  562.590933][T13170]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  562.590938][T13170]  console_emit_next_record (kernel/printk/printk.c:3183)
[  562.590942][T13170]  ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20)
[  562.590944][T13170]  ? 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))
[  562.590948][T13170]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  562.590950][T13170]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  562.590954][T13170]  console_flush_one_record (kernel/printk/printk.c:3268)
[  562.590959][T13170]  ? console_emit_next_record (kernel/printk/printk.c:3150)
[  562.590961][T13170]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[  562.590967][T13170]  console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420)
[  562.590970][T13170]  ? console_flush_one_record (kernel/printk/printk.c:3316)
[  562.590972][T13170]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  562.590974][T13170]  ? 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)
[  562.590978][T13170]  ? __down_trylock_console_sem (kernel/printk/printk.c:334)
[  562.590980][T13170]  ? vprintk_emit (kernel/printk/printk.c:2478)
[  562.590983][T13170]  vprintk_emit (kernel/printk/printk.c:2479)
[  562.590986][T13170]  ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126))
[  562.590992][T13170]  _printk (kernel/printk/printk.c:2504)
[  562.590996][T13170]  ? snapshot_read.cold (user.c:?)
[  562.590999][T13170]  ? lockdep_rtnl_is_held (./include/linux/lockdep.h:249 net/core/rtnetlink.c:182)
[  562.591002][T13170]  ? netdev_upper_get_next_dev_rcu (net/core/dev.c:8213 (discriminator 5))
[  562.591006][T13170]  ? __netdev_update_features (net/core/dev.c:11078 (discriminator 2))
[  562.591008][T13170]  ? netdev_name (./include/linux/netdevice.h:5709 (discriminator 1))
[  562.591012][T13170]  ? __netdev_printk (net/core/dev.c:13148 (discriminator 2))
[  562.591017][T13170]  netdev_info (net/core/dev.c:13195 (discriminator 3))
[  562.591020][T13170]  ? netdev_notice (net/core/dev.c:13194)
[  562.591023][T13170]  ? ovs_netdev_link (net/openvswitch/vport-netdev.c:85) openvswitch
[  562.591033][T13170]  ? 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)
[  562.591036][T13170]  __dev_set_promiscuity.cold (net/core/dev.c:9672 (discriminator 3))
[  562.591039][T13170]  netif_set_promiscuity (net/core/dev.c:9699)
[  562.591044][T13170]  dev_set_promiscuity (net/core/dev_api.c:288)
[  562.591046][T13170]  ? dev_disable_lro (net/core/dev_api.c:267)
[  562.591048][T13170] ovs_netdev_link (net/openvswitch/vport-netdev.c:106) openvswitch
[  562.591055][T13170] ovs_vport_add (net/openvswitch/vport.c:209) openvswitch
[  562.591060][T13170] new_vport (net/openvswitch/datapath.c:203) openvswitch
[  562.591065][T13170]  ? ovs_lookup_vport (./include/linux/lockdep.h:249 net/openvswitch/datapath.c:120 net/openvswitch/datapath.c:117 net/openvswitch/datapath.c:190) openvswitch
[  562.591070][T13170] ovs_vport_cmd_new (net/openvswitch/datapath.c:2389) openvswitch
[  562.591076][T13170]  ? ovs_vport_cmd_fill_info.isra.0 (./include/net/netlink.h:1107 (discriminator 1)) openvswitch
[  562.591080][T13170]  ? __nla_validate_parse (lib/nlattr.c:635)
[  562.591086][T13170]  ? __nla_parse (lib/nlattr.c:732)
[  562.591089][T13170]  ? genl_family_rcv_msg_attrs_parse.isra.0 (./include/net/netlink.h:789 (discriminator 2) net/netlink/genetlink.c:944 (discriminator 2))
[  562.591094][T13170]  genl_family_rcv_msg_doit (net/netlink/genetlink.c:1114)
[  562.591098][T13170]  ? genl_family_rcv_msg_attrs_parse.isra.0 (./include/net/netlink.h:785 (discriminator 2))
[  562.591107][T13170]  ? security_capable (security/security.c:660 (discriminator 11))
[  562.591112][T13170]  genl_family_rcv_msg (net/netlink/genetlink.c:1194)
[  562.591116][T13170]  ? genl_family_rcv_msg_dumpit (net/netlink/genetlink.c:1079)
[  562.591119][T13170]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380)
[  562.591121][T13170]  ? ovs_vport_cmd_fill_info.isra.0 (./include/net/netlink.h:1107 (discriminator 1)) openvswitch
[  562.591125][T13170]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[  562.591131][T13170]  genl_rcv_msg (net/netlink/genetlink.c:1209)
[  562.591135][T13170]  netlink_rcv_skb (net/netlink/af_netlink.c:2556)
[  562.591137][T13170]  ? genl_family_rcv_msg (net/netlink/genetlink.c:1136 (discriminator 2))
[  562.591141][T13170]  ? netlink_ack (./include/linux/skbuff.h:2718)
[  562.591149][T13170]  ? 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))
[  562.591151][T13170]  ? 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))
[  562.591156][T13170]  genl_rcv (net/netlink/genetlink.c:1218)
[  562.591158][T13170]  netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[  562.591162][T13170]  ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[  562.591166][T13170]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[  562.591170][T13170]  netlink_sendmsg (net/netlink/af_netlink.c:1900)
[  562.591175][T13170]  ? netlink_unicast (./include/net/net_namespace.h:422 (discriminator 7))
[  562.591177][T13170]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[  562.591180][T13170]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554)
[  562.591185][T13170]  __sock_sendmsg (net/socket.c:800 (discriminator 4) net/socket.c:815 (discriminator 4))
[  562.591188][T13170]  ? fdget (fs/file.c:1200 fs/file.c:1208)
[  562.591192][T13170]  __sys_sendto (net/socket.c:2281)
[  562.591196][T13170]  ? __ia32_sys_getpeername (net/socket.c:2235)
[  562.591207][T13170]  ? exc_page_fault (arch/x86/mm/fault.c:1483 arch/x86/mm/fault.c:1536)
[  562.591214][T13170]  __x64_sys_sendto (net/socket.c:2288 net/socket.c:2284 net/socket.c:2284)
[  562.591217][T13170]  ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22))
[  562.591220][T13170]  ? lockdep_hardirqs_on (kernel/locking/lockdep.c:4488)
[  562.591222][T13170]  ? do_syscall_64 (arch/x86/entry/syscall_64.c:81 (discriminator 44))
[  562.591225][T13170]  do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84)
[  562.591227][T13170]  ? exc_page_fault (arch/x86/mm/fault.c:1489 (discriminator 3) arch/x86/mm/fault.c:1536 (discriminator 3))
[  562.591230][T13170]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[  562.591232][T13170] RIP: 0033:0x7f324c11e312
[  562.591235][T13170] Code: 08 0f 85 71 41 ff ff 49 89 fb 48 89 f0 48 89 d7 48 89 ce 4c 89 c2 4d 89 ca 4c 8b 44 24 08 4c 8b 4c 24 10 4c 89 5c 24 08 0f 05 <c3> 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 00 f3 0f 1e fa 55 bf 01 00
All code
========
   0:	08 0f                	or     %cl,(%rdi)
   2:	85 71 41             	test   %esi,0x41(%rcx)
   5:	ff                   	(bad)
   6:	ff 49 89             	decl   -0x77(%rcx)
   9:	fb                   	sti
   a:	48 89 f0             	mov    %rsi,%rax
   d:	48 89 d7             	mov    %rdx,%rdi
  10:	48 89 ce             	mov    %rcx,%rsi
  13:	4c 89 c2             	mov    %r8,%rdx
  16:	4d 89 ca             	mov    %r9,%r10
  19:	4c 8b 44 24 08       	mov    0x8(%rsp),%r8
  1e:	4c 8b 4c 24 10       	mov    0x10(%rsp),%r9
  23:	4c 89 5c 24 08       	mov    %r11,0x8(%rsp)
  28:	0f 05                	syscall
  2a:*	c3                   	ret		<-- trapping instruction
  2b:	66 2e 0f 1f 84 00 00 	cs nopw 0x0(%rax,%rax,1)
  32:	00 00 00 
  35:	0f 1f 00             	nopl   (%rax)
  38:	f3 0f 1e fa          	endbr64
  3c:	55                   	push   %rbp
  3d:	bf                   	.byte 0xbf
  3e:	01 00                	add    %eax,(%rax)

Code starting with the faulting instruction
===========================================
   0:	c3                   	ret
   1:	66 2e 0f 1f 84 00 00 	cs nopw 0x0(%rax,%rax,1)
   8:	00 00 00 
   b:	0f 1f 00             	nopl   (%rax)
   e:	f3 0f 1e fa          	endbr64
  12:	55                   	push   %rbp
  13:	bf                   	.byte 0xbf
  14:	01 00                	add    %eax,(%rax)
[  562.591237][T13170] RSP: 002b:00007ffebcf64f68 EFLAGS: 00000246 ORIG_RAX: 000000000000002c
[  562.591240][T13170] RAX: ffffffffffffffda RBX: 00007ffebcf65098 RCX: 00007f324c11e312
[  562.591242][T13170] RDX: 0000000000000038 RSI: 00007f3248555a30 RDI: 0000000000000023
[  562.591243][T13170] RBP: 00007ffebcf64f90 R08: 00007ffebcf65110 R09: 000000000000000c
[  562.591244][T13170] R10: 0000000000000000 R11: 0000000000000246 R12: 00007f3249f82190
[  562.591245][T13170] R13: 00007ffebcf65098 R14: 00007f324ba3d01a R15: 00007ffebcf65488
| [  563.792191][T13197] softirqs last disabled at (393714): inet6_fill_ifla6_attrs (net/ipv6/addrconf.c:5883)
| [  563.792194][T13197] Preemption disabled at:
| [  563.792195][T13197] vprintk_emit (kernel/printk/printk.c:2471)
| [  563.792205][T13197] Tainted: [W]=WARN
[  563.792206][T13197] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[  563.792208][T13197] Call Trace:
[  563.792210][T13197]  <TASK>
[  563.792212][T13197]  dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120)
[  563.792218][T13197]  ? vprintk_emit (kernel/printk/printk.c:2471)
[  563.792220][T13197]  __might_resched.cold (kernel/sched/core.c:9234)
[  563.792225][T13197]  ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3))
[  563.792230][T13197]  ? __kmalloc_noprof (./include/linux/sched/mm.h:317 mm/slub.c:4636 mm/slub.c:4974 mm/slub.c:5413 mm/slub.c:5439)
[  563.792235][T13197]  __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))
[  563.792237][T13197]  ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[  563.792245][T13197]  ? 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)
[  563.792248][T13197]  alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[  563.792253][T13197]  put_chars (drivers/char/virtio_console.c:1176)
[  563.792255][T13197]  ? __send_to_port (drivers/char/virtio_console.c:654)
[  563.792259][T13197]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380)
[  563.792262][T13197]  ? validate_chain (kernel/locking/lockdep.c:3817 (discriminator 2) kernel/locking/lockdep.c:3837 (discriminator 2) kernel/locking/lockdep.c:3892 (discriminator 2))
[  563.792267][T13197]  hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2))
[  563.792272][T13197]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[  563.792274][T13197]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[  563.792280][T13197]  ? hvc_write (drivers/tty/hvc/hvc_console.c:501)
[  563.792284][T13197]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  563.792286][T13197]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  563.792291][T13197]  console_emit_next_record (kernel/printk/printk.c:3183)
[  563.792296][T13197]  ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20)
[  563.792299][T13197]  ? 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))
[  563.792302][T13197]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  563.792304][T13197]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  563.792309][T13197]  console_flush_one_record (kernel/printk/printk.c:3268)
[  563.792314][T13197]  ? console_emit_next_record (kernel/printk/printk.c:3150)
[  563.792316][T13197]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[  563.792323][T13197]  console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420)
[  563.792326][T13197]  ? console_flush_one_record (kernel/printk/printk.c:3316)
[  563.792328][T13197]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  563.792330][T13197]  ? 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)
[  563.792335][T13197]  ? __down_trylock_console_sem (kernel/printk/printk.c:334)
[  563.792337][T13197]  ? vprintk_emit (kernel/printk/printk.c:2478)
[  563.792340][T13197]  vprintk_emit (kernel/printk/printk.c:2479)
[  563.792344][T13197]  ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126))
[  563.792350][T13197]  _printk (kernel/printk/printk.c:2504)
[  563.792354][T13197]  ? snapshot_read.cold (user.c:?)
[  563.792358][T13197]  ? lockdep_rtnl_is_held (./include/linux/lockdep.h:249 net/core/rtnetlink.c:182)
[  563.792361][T13197]  ? netdev_upper_get_next_dev_rcu (net/core/dev.c:8213 (discriminator 5))
[  563.792365][T13197]  ? 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)
[  563.792367][T13197]  ? __netdev_update_features (net/core/dev.c:11078 (discriminator 2))
[  563.792369][T13197]  ? netdev_name (./include/linux/netdevice.h:5709 (discriminator 1))
[  563.792373][T13197]  ? __netdev_printk (net/core/dev.c:13148 (discriminator 2))
[  563.792378][T13197]  netdev_info (net/core/dev.c:13195 (discriminator 3))
[  563.792381][T13197]  ? netdev_notice (net/core/dev.c:13194)
[  563.792383][T13197]  ? ovs_netdev_link (net/openvswitch/vport-netdev.c:85) openvswitch
[  563.792393][T13197]  ? 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)
[  563.792396][T13197]  __dev_set_promiscuity.cold (net/core/dev.c:9672 (discriminator 3))
[  563.792400][T13197]  netif_set_promiscuity (net/core/dev.c:9699)
[  563.792404][T13197]  dev_set_promiscuity (net/core/dev_api.c:288)
[  563.792406][T13197]  ? dev_disable_lro (net/core/dev_api.c:267)
[  563.792409][T13197] ovs_netdev_link (net/openvswitch/vport-netdev.c:106) openvswitch
[  563.792415][T13197] ovs_vport_add (net/openvswitch/vport.c:209) openvswitch
[  563.792421][T13197] new_vport (net/openvswitch/datapath.c:203) openvswitch
[  563.792425][T13197]  ? ovs_lookup_vport (./include/linux/lockdep.h:249 net/openvswitch/datapath.c:120 net/openvswitch/datapath.c:117 net/openvswitch/datapath.c:190) openvswitch
[  563.792431][T13197] ovs_vport_cmd_new (net/openvswitch/datapath.c:2389) openvswitch
[  563.792438][T13197]  ? ovs_vport_cmd_fill_info.isra.0 (./include/net/netlink.h:1107 (discriminator 1)) openvswitch
[  563.792442][T13197]  ? __nla_validate_parse (lib/nlattr.c:635)
[  563.792449][T13197]  ? __nla_parse (lib/nlattr.c:732)
[  563.792452][T13197]  ? genl_family_rcv_msg_attrs_parse.isra.0 (./include/net/netlink.h:789 (discriminator 2) net/netlink/genetlink.c:944 (discriminator 2))
[  563.792458][T13197]  genl_family_rcv_msg_doit (net/netlink/genetlink.c:1114)
[  563.792461][T13197]  ? genl_family_rcv_msg_attrs_parse.isra.0 (./include/net/netlink.h:785 (discriminator 2))
[  563.792471][T13197]  ? security_capable (security/security.c:660 (discriminator 11))
[  563.792476][T13197]  genl_family_rcv_msg (net/netlink/genetlink.c:1194)
[  563.792480][T13197]  ? genl_family_rcv_msg_dumpit (net/netlink/genetlink.c:1079)
[  563.792483][T13197]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380)
[  563.792485][T13197]  ? ovs_vport_cmd_fill_info.isra.0 (./include/net/netlink.h:1107 (discriminator 1)) openvswitch
[  563.792490][T13197]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[  563.792497][T13197]  genl_rcv_msg (net/netlink/genetlink.c:1209)
[  563.792501][T13197]  netlink_rcv_skb (net/netlink/af_netlink.c:2556)
[  563.792503][T13197]  ? genl_family_rcv_msg (net/netlink/genetlink.c:1136 (discriminator 2))
[  563.792507][T13197]  ? netlink_ack (./include/linux/skbuff.h:2718)
[  563.792516][T13197]  ? 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))
[  563.792518][T13197]  ? 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))
[  563.792523][T13197]  genl_rcv (net/netlink/genetlink.c:1218)
[  563.792525][T13197]  netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[  563.792530][T13197]  ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[  563.792534][T13197]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[  563.792538][T13197]  netlink_sendmsg (net/netlink/af_netlink.c:1900)
[  563.792543][T13197]  ? netlink_unicast (./include/net/net_namespace.h:422 (discriminator 7))
[  563.792545][T13197]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[  563.792548][T13197]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554)
[  563.792554][T13197]  __sock_sendmsg (net/socket.c:800 (discriminator 4) net/socket.c:815 (discriminator 4))
[  563.792557][T13197]  ? fdget (fs/file.c:1200 fs/file.c:1208)
[  563.792561][T13197]  __sys_sendto (net/socket.c:2281)
[  563.792565][T13197]  ? __ia32_sys_getpeername (net/socket.c:2235)
[  563.792571][T13197]  ? do_futex (kernel/futex/syscalls.c:138)
[  563.792575][T13197]  ? __ia32_sys_get_robust_list (kernel/futex/syscalls.c:94)
[  563.792582][T13197]  ? xfd_validate_state (arch/x86/kernel/fpu/xstate.c:1497 (discriminator 1) arch/x86/kernel/fpu/xstate.c:1543 (discriminator 1))
[  563.792587][T13197]  ? do_futex (kernel/futex/syscalls.c:153 (discriminator 1))
[  563.792591][T13197]  __x64_sys_sendto (net/socket.c:2288 net/socket.c:2284 net/socket.c:2284)
[  563.792594][T13197]  ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22))
[  563.792597][T13197]  ? lockdep_hardirqs_on (kernel/locking/lockdep.c:4488)
[  563.792601][T13197]  ? do_syscall_64 (arch/x86/entry/syscall_64.c:81 (discriminator 44))
[  563.792604][T13197]  do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84)
[  563.792606][T13197]  ? exc_page_fault (arch/x86/mm/fault.c:1489 (discriminator 3) arch/x86/mm/fault.c:1536 (discriminator 3))
[  563.792609][T13197]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[  563.792612][T13197] RIP: 0033:0x7ffa0eec8312
[  563.792616][T13197] Code: 08 0f 85 71 41 ff ff 49 89 fb 48 89 f0 48 89 d7 48 89 ce 4c 89 c2 4d 89 ca 4c 8b 44 24 08 4c 8b 4c 24 10 4c 89 5c 24 08 0f 05 <c3> 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 00 f3 0f 1e fa 55 bf 01 00
All code
========
   0:	08 0f                	or     %cl,(%rdi)
   2:	85 71 41             	test   %esi,0x41(%rcx)
   5:	ff                   	(bad)
   6:	ff 49 89             	decl   -0x77(%rcx)
   9:	fb                   	sti
   a:	48 89 f0             	mov    %rsi,%rax
   d:	48 89 d7             	mov    %rdx,%rdi
  10:	48 89 ce             	mov    %rcx,%rsi
  13:	4c 89 c2             	mov    %r8,%rdx
  16:	4d 89 ca             	mov    %r9,%r10
  19:	4c 8b 44 24 08       	mov    0x8(%rsp),%r8
  1e:	4c 8b 4c 24 10       	mov    0x10(%rsp),%r9
  23:	4c 89 5c 24 08       	mov    %r11,0x8(%rsp)
  28:	0f 05                	syscall
  2a:*	c3                   	ret		<-- trapping instruction
  2b:	66 2e 0f 1f 84 00 00 	cs nopw 0x0(%rax,%rax,1)
  32:	00 00 00 
  35:	0f 1f 00             	nopl   (%rax)
  38:	f3 0f 1e fa          	endbr64
  3c:	55                   	push   %rbp
  3d:	bf                   	.byte 0xbf
  3e:	01 00                	add    %eax,(%rax)

Code starting with the faulting instruction
===========================================
   0:	c3                   	ret
   1:	66 2e 0f 1f 84 00 00 	cs nopw 0x0(%rax,%rax,1)
   8:	00 00 00 
   b:	0f 1f 00             	nopl   (%rax)
   e:	f3 0f 1e fa          	endbr64
  12:	55                   	push   %rbp
  13:	bf                   	.byte 0xbf
  14:	01 00                	add    %eax,(%rax)
[  563.792618][T13197] RSP: 002b:00007ffd7c240568 EFLAGS: 00000246 ORIG_RAX: 000000000000002c
[  563.792621][T13197] RAX: ffffffffffffffda RBX: 00007ffd7c240698 RCX: 00007ffa0eec8312
[  563.792623][T13197] RDX: 0000000000000038 RSI: 00007ffa0c1a4a70 RDI: 0000000000000023
[  563.792624][T13197] RBP: 00007ffd7c240590 R08: 00007ffd7c240710 R09: 000000000000000c
[  563.792625][T13197] R10: 0000000000000000 R11: 0000000000000246 R12: 00007ffa0cd32190
[  563.792626][T13197] R13: 00007ffd7c240698 R14: 00007ffa0e7e701a R15: 00007ffd7c240a88
| [  573.764892][   T12] softirqs last disabled at (10876604): __neigh_ifdown.isra.0 (./include/linux/spinlock.h:353 net/core/neighbour.c:464)
| [  573.764896][   T12] Preemption disabled at:
| [  573.764902][   T12] vprintk_emit (kernel/printk/printk.c:2471)
| [  573.764913][   T12] Tainted: [W]=WARN
[  573.764922][   T12] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[  573.764925][   T12] Workqueue: netns cleanup_net
[  573.764928][   T12] Call Trace:
[  573.764930][   T12]  <TASK>
[  573.764932][   T12]  dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120)
[  573.764939][   T12]  ? vprintk_emit (kernel/printk/printk.c:2471)
[  573.764941][   T12]  __might_resched.cold (kernel/sched/core.c:9234)
[  573.764945][   T12]  ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3))
[  573.764950][   T12]  ? __kmalloc_noprof (./include/linux/sched/mm.h:317 mm/slub.c:4636 mm/slub.c:4974 mm/slub.c:5413 mm/slub.c:5439)
[  573.764955][   T12]  __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))
[  573.764957][   T12]  ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[  573.764964][   T12]  ? 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)
[  573.764968][   T12]  alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[  573.764972][   T12]  put_chars (drivers/char/virtio_console.c:1176)
[  573.764974][   T12]  ? prb_final_commit (kernel/printk/printk_ringbuffer.c:1842)
[  573.764977][   T12]  ? __send_to_port (drivers/char/virtio_console.c:654)
[  573.764980][   T12]  ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4116 (discriminator 3) kernel/rcu/tree.c:4108 (discriminator 3))
[  573.764984][   T12]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380)
[  573.764987][   T12]  ? validate_chain (kernel/locking/lockdep.c:3817 (discriminator 2) kernel/locking/lockdep.c:3837 (discriminator 2) kernel/locking/lockdep.c:3892 (discriminator 2))
[  573.764991][   T12]  hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2))
[  573.764996][   T12]  ? mark_usage (kernel/locking/lockdep.c:4690)
[  573.764998][   T12]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[  573.765000][   T12]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[  573.765005][   T12]  ? hvc_write (drivers/tty/hvc/hvc_console.c:501)
[  573.765008][   T12]  ? console_emit_next_record (kernel/printk/printk.c:3095 (discriminator 2) kernel/printk/printk.c:3182 (discriminator 2))
[  573.765011][   T12]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  573.765013][   T12]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  573.765018][   T12]  console_emit_next_record (kernel/printk/printk.c:3183)
[  573.765023][   T12]  ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20)
[  573.765025][   T12]  ? 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))
[  573.765029][   T12]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  573.765031][   T12]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  573.765035][   T12]  console_flush_one_record (kernel/printk/printk.c:3268)
[  573.765040][   T12]  ? console_emit_next_record (kernel/printk/printk.c:3150)
[  573.765042][   T12]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[  573.765048][   T12]  console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420)
[  573.765052][   T12]  ? console_flush_one_record (kernel/printk/printk.c:3316)
[  573.765054][   T12]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  573.765056][   T12]  ? 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)
[  573.765060][   T12]  ? __down_trylock_console_sem (kernel/printk/printk.c:334)
[  573.765062][   T12]  ? vprintk_emit (kernel/printk/printk.c:2478)
[  573.765065][   T12]  vprintk_emit (kernel/printk/printk.c:2479)
[  573.765068][   T12]  ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126))
[  573.765071][   T12]  ? net_disable_timestamp (./include/linux/workqueue.h:761)
[  573.765073][   T12]  ? net_generic (./include/linux/rcupdate.h:882 ./include/net/netns/generic.h:48) vxlan
[  573.765083][   T12]  _printk (kernel/printk/printk.c:2504)
[  573.765087][   T12]  ? snapshot_read.cold (user.c:?)
[  573.765091][   T12]  ? netdev_name (./include/linux/netdevice.h:5709 (discriminator 1))
[  573.765095][   T12]  ? __netdev_printk (net/core/dev.c:13148 (discriminator 2))
[  573.765100][   T12]  netdev_info (net/core/dev.c:13195 (discriminator 3))
[  573.765103][   T12]  ? netdev_notice (net/core/dev.c:13194)
[  573.765105][   T12]  ? __netdev_upper_dev_unlink (net/core/dev.c:9094)
[  573.765109][   T12]  ? synchronize_rcu_expedited (kernel/rcu/tree_exp.h:985)
[  573.765115][   T12]  ? 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)
[  573.765118][   T12]  __dev_set_promiscuity.cold (net/core/dev.c:9672 (discriminator 3))
[  573.765122][   T12]  netif_set_promiscuity (net/core/dev.c:9699)
[  573.765126][   T12]  dev_set_promiscuity (net/core/dev_api.c:288)
[  573.765127][   T12]  ? rtnl_is_locked (net/core/rtnetlink.c:169)
[  573.765131][   T12] ovs_netdev_detach_dev (net/openvswitch/vport-netdev.c:174) openvswitch
[  573.765138][   T12] dp_device_event (net/openvswitch/dp_notify.c:74) openvswitch
[  573.765143][   T12]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  573.765146][   T12]  notifier_call_chain (kernel/notifier.c:85)
[  573.765152][   T12]  unregister_netdevice_many_notify (net/core/dev.c:2313 net/core/dev.c:2327 net/core/dev.c:12518)
[  573.765158][   T12]  ? unregister_netdevice_queued (./include/linux/list.h:419 (discriminator 3))
[  573.765166][   T12]  default_device_exit_batch (net/core/dev.c:12589 net/core/dev.c:13288)
[  573.765169][   T12]  ? unregister_netdevice_queue (./include/linux/list.h:173)
[  573.765172][   T12]  ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3))
[  573.765175][   T12]  ? fou_exit_net (net/ipv4/fou_core.c:1228)
[  573.765180][   T12]  ops_undo_list (net/core/net_namespace.c:206 net/core/net_namespace.c:253)
[  573.765184][   T12]  ? lockdep_hardirqs_on (kernel/locking/lockdep.c:4488)
[  573.765188][   T12]  ? netns_install (./include/linux/ns_common.h:26)
[  573.765190][   T12]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554)
[  573.765193][   T12]  ? idr_destroy (lib/radix-tree.c:310 lib/radix-tree.c:674 lib/radix-tree.c:1563)
[  573.765199][   T12]  cleanup_net (net/core/net_namespace.c:706)
[  573.765202][   T12]  ? net_passive_dec (./include/linux/llist.h:241)
[  573.765206][   T12]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  573.765209][   T12]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  573.765212][   T12]  process_one_work (kernel/workqueue.c:3387)
[  573.765220][   T12]  ? __queue_delayed_work (kernel/workqueue.c:2622)
[  573.765223][   T12]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2))
[  573.765232][   T12]  worker_thread (kernel/workqueue.c:3470 kernel/workqueue.c:3551)
[  573.765239][   T12]  ? rescuer_thread (./include/linux/list.h:419 (discriminator 3))
[  573.765242][   T12]  kthread (kernel/kthread.c:436)
[  573.765244][   T12]  ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22))
[  573.765248][   T12]  ? kthread_affine_preferred (kernel/kthread.c:857)
[  573.765251][   T12]  ret_from_fork (arch/x86/kernel/process.c:158)
[  573.765256][   T12]  ? arch_exit_to_user_mode_prepare.isra.0 (arch/x86/entry/vdso/vma.c:80 (discriminator 1))
[  573.765259][   T12]  ? __switch_to (arch/x86/kernel/process_64.c:403 arch/x86/kernel/process_64.c:663)
[  573.765263][   T12]  ? kthread_affine_preferred (kernel/kthread.c:857)
[  573.765266][   T12]  ret_from_fork_asm (arch/x86/entry/entry_64.S:245)
| [  575.986850][T13411] softirqs last disabled at (378980): inet6_fill_ifla6_attrs (net/ipv6/addrconf.c:5883)
| [  575.986852][T13411] Preemption disabled at:
| [  575.986853][T13411] vprintk_emit (kernel/printk/printk.c:2471)
| [  575.986863][T13411] Tainted: [W]=WARN
[  575.986864][T13411] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[  575.986865][T13411] Call Trace:
[  575.986867][T13411]  <TASK>
[  575.986869][T13411]  dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120)
[  575.986875][T13411]  ? vprintk_emit (kernel/printk/printk.c:2471)
[  575.986877][T13411]  __might_resched.cold (kernel/sched/core.c:9234)
[  575.986881][T13411]  ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3))
[  575.986886][T13411]  ? __kmalloc_noprof (./include/linux/sched/mm.h:317 mm/slub.c:4636 mm/slub.c:4974 mm/slub.c:5413 mm/slub.c:5439)
[  575.986891][T13411]  __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))
[  575.986893][T13411]  ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[  575.986905][T13411]  ? 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)
[  575.986909][T13411]  alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[  575.986913][T13411]  put_chars (drivers/char/virtio_console.c:1176)
[  575.986916][T13411]  ? __send_to_port (drivers/char/virtio_console.c:654)
[  575.986917][T13411]  ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4116 (discriminator 3) kernel/rcu/tree.c:4108 (discriminator 3))
[  575.986922][T13411]  ? validate_chain (kernel/locking/lockdep.c:3817 (discriminator 2) kernel/locking/lockdep.c:3837 (discriminator 2) kernel/locking/lockdep.c:3892 (discriminator 2))
[  575.986937][T13411]  hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2))
[  575.986946][T13411]  ? hvc_write (drivers/tty/hvc/hvc_console.c:501)
[  575.986949][T13411]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  575.986951][T13411]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  575.986956][T13411]  console_emit_next_record (kernel/printk/printk.c:3183)
[  575.986961][T13411]  ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20)
[  575.986963][T13411]  ? 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))
[  575.986967][T13411]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  575.986969][T13411]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  575.986974][T13411]  console_flush_one_record (kernel/printk/printk.c:3268)
[  575.986980][T13411]  ? console_emit_next_record (kernel/printk/printk.c:3150)
[  575.986983][T13411]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[  575.986993][T13411]  console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420)
[  575.986999][T13411]  ? console_flush_one_record (kernel/printk/printk.c:3316)
[  575.987002][T13411]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  575.987006][T13411]  ? 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)
[  575.987011][T13411]  ? __down_trylock_console_sem (kernel/printk/printk.c:334)
[  575.987014][T13411]  ? vprintk_emit (kernel/printk/printk.c:2478)
[  575.987018][T13411]  vprintk_emit (kernel/printk/printk.c:2479)
[  575.987022][T13411]  ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126))
[  575.987026][T13411]  ? net_disable_timestamp (./include/linux/workqueue.h:761)
[  575.987030][T13411]  ? net_generic (./include/linux/rcupdate.h:882 ./include/net/netns/generic.h:48) vxlan
[  575.987039][T13411]  _printk (kernel/printk/printk.c:2504)
[  575.987043][T13411]  ? snapshot_read.cold (user.c:?)
[  575.987048][T13411]  ? netdev_name (./include/linux/netdevice.h:5709 (discriminator 1))
[  575.987052][T13411]  ? __netdev_printk (net/core/dev.c:13148 (discriminator 2))
[  575.987057][T13411]  netdev_info (net/core/dev.c:13195 (discriminator 3))
[  575.987060][T13411]  ? netdev_notice (net/core/dev.c:13194)
[  575.987063][T13411]  ? __netdev_upper_dev_unlink (net/core/dev.c:9094)
[  575.987068][T13411]  ? synchronize_rcu_expedited (kernel/rcu/tree_exp.h:985)
[  575.987074][T13411]  ? 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)
[  575.987077][T13411]  __dev_set_promiscuity.cold (net/core/dev.c:9672 (discriminator 3))
[  575.987082][T13411]  netif_set_promiscuity (net/core/dev.c:9699)
[  575.987086][T13411]  dev_set_promiscuity (net/core/dev_api.c:288)
[  575.987088][T13411]  ? rtnl_is_locked (net/core/rtnetlink.c:169)
[  575.987092][T13411] ovs_netdev_detach_dev (net/openvswitch/vport-netdev.c:174) openvswitch
[  575.987097][T13411]  ? netdev_destroy (net/openvswitch/vport-netdev.c:189) openvswitch
[  575.987102][T13411] netdev_destroy (net/openvswitch/vport-netdev.c:194) openvswitch
[  575.987109][T13411] ovs_vport_cmd_del (net/openvswitch/datapath.c:2505) openvswitch
[  575.987121][T13411]  genl_family_rcv_msg_doit (net/netlink/genetlink.c:1114)
[  575.987125][T13411]  ? genl_family_rcv_msg_attrs_parse.isra.0 (./include/net/netlink.h:785 (discriminator 2))
[  575.987135][T13411]  ? security_capable (security/security.c:660 (discriminator 11))
[  575.987140][T13411]  genl_family_rcv_msg (net/netlink/genetlink.c:1194)
[  575.987145][T13411]  ? genl_family_rcv_msg_dumpit (net/netlink/genetlink.c:1079)
[  575.987147][T13411]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380)
[  575.987151][T13411]  ? ovs_dp_detach_port (./include/linux/list.h:1047 (discriminator 2)) openvswitch
[  575.987155][T13411]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[  575.987161][T13411]  genl_rcv_msg (net/netlink/genetlink.c:1209)
[  575.987165][T13411]  netlink_rcv_skb (net/netlink/af_netlink.c:2556)
[  575.987168][T13411]  ? genl_family_rcv_msg (net/netlink/genetlink.c:1136 (discriminator 2))
[  575.987172][T13411]  ? netlink_ack (./include/linux/skbuff.h:2718)
[  575.987180][T13411]  ? 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))
[  575.987182][T13411]  ? 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))
[  575.987186][T13411]  genl_rcv (net/netlink/genetlink.c:1218)
[  575.987189][T13411]  netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[  575.987194][T13411]  ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[  575.987198][T13411]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[  575.987202][T13411]  netlink_sendmsg (net/netlink/af_netlink.c:1900)
[  575.987209][T13411]  ? netlink_unicast (./include/net/net_namespace.h:422 (discriminator 7))
[  575.987212][T13411]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[  575.987217][T13411]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554)
[  575.987226][T13411]  __sock_sendmsg (net/socket.c:800 (discriminator 4) net/socket.c:815 (discriminator 4))
[  575.987230][T13411]  ? fdget (fs/file.c:1200 fs/file.c:1208)
[  575.987234][T13411]  __sys_sendto (net/socket.c:2281)
[  575.987238][T13411]  ? __ia32_sys_getpeername (net/socket.c:2235)
[  575.987251][T13411]  ? exc_page_fault (arch/x86/mm/fault.c:1483 arch/x86/mm/fault.c:1536)
[  575.987258][T13411]  __x64_sys_sendto (net/socket.c:2288 net/socket.c:2284 net/socket.c:2284)
[  575.987261][T13411]  ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22))
[  575.987265][T13411]  ? lockdep_hardirqs_on (kernel/locking/lockdep.c:4488)
[  575.987266][T13411]  ? do_syscall_64 (arch/x86/entry/syscall_64.c:81 (discriminator 44))
[  575.987269][T13411]  do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84)
[  575.987271][T13411]  ? exc_page_fault (arch/x86/mm/fault.c:1489 (discriminator 3) arch/x86/mm/fault.c:1536 (discriminator 3))
[  575.987274][T13411]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[  575.987277][T13411] RIP: 0033:0x7fbb8b12a312
[  575.987280][T13411] Code: 08 0f 85 71 41 ff ff 49 89 fb 48 89 f0 48 89 d7 48 89 ce 4c 89 c2 4d 89 ca 4c 8b 44 24 08 4c 8b 4c 24 10 4c 89 5c 24 08 0f 05 <c3> 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 00 f3 0f 1e fa 55 bf 01 00
All code
========
   0:	08 0f                	or     %cl,(%rdi)
   2:	85 71 41             	test   %esi,0x41(%rcx)
   5:	ff                   	(bad)
   6:	ff 49 89             	decl   -0x77(%rcx)
   9:	fb                   	sti
   a:	48 89 f0             	mov    %rsi,%rax
   d:	48 89 d7             	mov    %rdx,%rdi
  10:	48 89 ce             	mov    %rcx,%rsi
  13:	4c 89 c2             	mov    %r8,%rdx
  16:	4d 89 ca             	mov    %r9,%r10
  19:	4c 8b 44 24 08       	mov    0x8(%rsp),%r8
  1e:	4c 8b 4c 24 10       	mov    0x10(%rsp),%r9
  23:	4c 89 5c 24 08       	mov    %r11,0x8(%rsp)
  28:	0f 05                	syscall
  2a:*	c3                   	ret		<-- trapping instruction
  2b:	66 2e 0f 1f 84 00 00 	cs nopw 0x0(%rax,%rax,1)
  32:	00 00 00 
  35:	0f 1f 00             	nopl   (%rax)
  38:	f3 0f 1e fa          	endbr64
  3c:	55                   	push   %rbp
  3d:	bf                   	.byte 0xbf
  3e:	01 00                	add    %eax,(%rax)

Code starting with the faulting instruction
===========================================
   0:	c3                   	ret
   1:	66 2e 0f 1f 84 00 00 	cs nopw 0x0(%rax,%rax,1)
   8:	00 00 00 
   b:	0f 1f 00             	nopl   (%rax)
   e:	f3 0f 1e fa          	endbr64
  12:	55                   	push   %rbp
  13:	bf                   	.byte 0xbf
  14:	01 00                	add    %eax,(%rax)
[  575.987282][T13411] RSP: 002b:00007fff875feb48 EFLAGS: 00000246 ORIG_RAX: 000000000000002c
[  575.987285][T13411] RAX: ffffffffffffffda RBX: 00007fff875fec78 RCX: 00007fbb8b12a312
[  575.987287][T13411] RDX: 0000000000000028 RSI: 00007fbb88557ed0 RDI: 0000000000000023
[  575.987288][T13411] RBP: 00007fff875feb70 R08: 00007fff875fecf0 R09: 000000000000000c
[  575.987289][T13411] R10: 0000000000000000 R11: 0000000000000246 R12: 00007fbb88f8dfd0
[  575.987290][T13411] R13: 00007fff875fec78 R14: 00007fbb8aa4901a R15: 00007fff875ff068
| [  714.003545][T17158] softirqs last disabled at (132001): __irq_exit_rcu (kernel/softirq.c:679 kernel/softirq.c:519 kernel/softirq.c:767)
| [  714.003548][T17158] Preemption disabled at:
| [  714.003549][T17158] vprintk_emit (kernel/printk/printk.c:2471)
| [  714.003558][T17158] Tainted: [W]=WARN
[  714.003559][T17158] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[  714.003561][T17158] Call Trace:
[  714.003563][T17158]  <TASK>
[  714.003565][T17158]  dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120)
[  714.003571][T17158]  ? vprintk_emit (kernel/printk/printk.c:2471)
[  714.003573][T17158]  __might_resched.cold (kernel/sched/core.c:9234)
[  714.003577][T17158]  ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3))
[  714.003582][T17158]  ? __kmalloc_noprof (./include/linux/sched/mm.h:317 mm/slub.c:4636 mm/slub.c:4974 mm/slub.c:5413 mm/slub.c:5439)
[  714.003586][T17158]  __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))
[  714.003588][T17158]  ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[  714.003595][T17158]  ? 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)
[  714.003598][T17158]  alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[  714.003602][T17158]  put_chars (drivers/char/virtio_console.c:1176)
[  714.003604][T17158]  ? desc_read_finalized_seq (kernel/printk/printk_ringbuffer.c:1934)
[  714.003607][T17158]  ? __send_to_port (drivers/char/virtio_console.c:654)
[  714.003610][T17158]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380)
[  714.003613][T17158]  ? validate_chain (kernel/locking/lockdep.c:3817 (discriminator 2) kernel/locking/lockdep.c:3837 (discriminator 2) kernel/locking/lockdep.c:3892 (discriminator 2))
[  714.003618][T17158]  hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2))
[  714.003622][T17158]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[  714.003624][T17158]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[  714.003629][T17158]  ? hvc_write (drivers/tty/hvc/hvc_console.c:501)
[  714.003631][T17158]  ? console_emit_next_record (kernel/printk/printk.c:3095 (discriminator 2) kernel/printk/printk.c:3182 (discriminator 2))
[  714.003635][T17158]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  714.003637][T17158]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  714.003642][T17158]  console_emit_next_record (kernel/printk/printk.c:3183)
[  714.003646][T17158]  ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20)
[  714.003648][T17158]  ? 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))
[  714.003651][T17158]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  714.003653][T17158]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  714.003657][T17158]  console_flush_one_record (kernel/printk/printk.c:3268)
[  714.003662][T17158]  ? console_emit_next_record (kernel/printk/printk.c:3150)
[  714.003664][T17158]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[  714.003670][T17158]  console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420)
[  714.003673][T17158]  ? console_flush_one_record (kernel/printk/printk.c:3316)
[  714.003675][T17158]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  714.003677][T17158]  ? 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)
[  714.003681][T17158]  ? __down_trylock_console_sem (kernel/printk/printk.c:334)
[  714.003683][T17158]  ? vprintk_emit (kernel/printk/printk.c:2478)
[  714.003686][T17158]  vprintk_emit (kernel/printk/printk.c:2479)
[  714.003690][T17158]  ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126))
[  714.003696][T17158]  ? nf_defrag_fini+0x980/0x980 nf_defrag_ipv4
[  714.003699][T17158]  _printk (kernel/printk/printk.c:2504)
[  714.003703][T17158]  ? snapshot_read.cold (user.c:?)
[  714.003710][T17158]  ? do_one_initcall (./include/linux/instrumented.h:82 ./include/asm-generic/bitops/instrumented-non-atomic.h:141 ./include/linux/cpumask.h:650 ./include/linux/cpumask.h:1232 ./include/trace/events/initcall.h:27 init/main.c:1356)
[  714.003713][T17158] xfrm_user_init (xfrm_user.mod.c:?) xfrm_user
[  714.003718][T17158]  do_one_initcall (init/main.c:1357)
[  714.003722][T17158]  ? trace_event_raw_event_initcall_level (./include/trace/events/initcall.h:10)
[  714.003727][T17158]  ? do_init_module (./include/linux/slab.h:991 (discriminator 1) kernel/module/main.c:3105 (discriminator 1))
[  714.003729][T17158]  ? kasan_unpoison (mm/kasan/shadow.c:146 mm/kasan/shadow.c:178)
[  714.003735][T17158]  do_init_module (kernel/module/main.c:3117)
[  714.003738][T17158]  ? lockdep_hardirqs_on (kernel/locking/lockdep.c:4488)
[  714.003742][T17158]  ? free_module (./include/trace/events/module.h:50 (discriminator 19))
[  714.003745][T17158]  ? kfree (./include/linux/kasan.h:235 mm/slub.c:2748 mm/slub.c:6499 mm/slub.c:6792)
[  714.003749][T17158]  load_module (kernel/module/main.c:3593)
[  714.003754][T17158]  ? security_kernel_post_read_file (security/security.c:2997 (discriminator 11))
[  714.003759][T17158]  ? layout_and_allocate.isra.0 (kernel/module/main.c:3016)
[  714.003763][T17158]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[  714.003766][T17158]  ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4116 (discriminator 3) kernel/rcu/tree.c:4108 (discriminator 3))
[  714.003770][T17158]  init_module_from_file (kernel/module/main.c:3790)
[  714.003773][T17158]  ? __do_sys_init_module (kernel/module/main.c:3664)
[  714.003781][T17158]  ? __rwlock_init (kernel/locking/spinlock_debug.c:48)
[  714.003784][T17158]  ? 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)
[  714.003788][T17158]  idempotent_init_module (kernel/module/main.c:3802)
[  714.003798][T17158]  ? init_module_from_file (kernel/module/main.c:3791)
[  714.003808][T17158]  ? cap_capable (./include/trace/events/capability.h:26 (discriminator 22) security/commoncap.c:130 (discriminator 22))
[  714.003811][T17158]  ? exc_page_fault (arch/x86/mm/fault.c:1483 arch/x86/mm/fault.c:1536)
[  714.003819][T17158]  __x64_sys_finit_module (kernel/module/main.c:3828 kernel/module/main.c:3812 kernel/module/main.c:3812)
[  714.003822][T17158]  ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22))
[  714.003827][T17158]  do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84)
[  714.003831][T17158]  ? exc_page_fault (arch/x86/mm/fault.c:1489 (discriminator 3) arch/x86/mm/fault.c:1536 (discriminator 3))
[  714.003834][T17158]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[  714.003837][T17158] RIP: 0033:0x7fe20442a37d
[  714.003840][T17158] Code: ff c3 66 2e 0f 1f 84 00 00 00 00 00 90 f3 0f 1e fa 48 89 f8 48 89 f7 48 89 d6 48 89 ca 4d 89 c2 4d 89 c8 4c 8b 4c 24 08 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 8b 0d 4b aa 0f 00 f7 d8 64 89 01 48
All code
========
   0:	ff c3                	inc    %ebx
   2:	66 2e 0f 1f 84 00 00 	cs nopw 0x0(%rax,%rax,1)
   9:	00 00 00 
   c:	90                   	nop
   d:	f3 0f 1e fa          	endbr64
  11:	48 89 f8             	mov    %rdi,%rax
  14:	48 89 f7             	mov    %rsi,%rdi
  17:	48 89 d6             	mov    %rdx,%rsi
  1a:	48 89 ca             	mov    %rcx,%rdx
  1d:	4d 89 c2             	mov    %r8,%r10
  20:	4d 89 c8             	mov    %r9,%r8
  23:	4c 8b 4c 24 08       	mov    0x8(%rsp),%r9
  28:	0f 05                	syscall
  2a:*	48 3d 01 f0 ff ff    	cmp    $0xfffffffffffff001,%rax		<-- trapping instruction
  30:	73 01                	jae    0x33
  32:	c3                   	ret
  33:	48 8b 0d 4b aa 0f 00 	mov    0xfaa4b(%rip),%rcx        # 0xfaa85
  3a:	f7 d8                	neg    %eax
  3c:	64 89 01             	mov    %eax,%fs:(%rcx)
  3f:	48                   	rex.W

Code starting with the faulting instruction
===========================================
   0:	48 3d 01 f0 ff ff    	cmp    $0xfffffffffffff001,%rax
   6:	73 01                	jae    0x9
   8:	c3                   	ret
   9:	48 8b 0d 4b aa 0f 00 	mov    0xfaa4b(%rip),%rcx        # 0xfaa5b
  10:	f7 d8                	neg    %eax
  12:	64 89 01             	mov    %eax,%fs:(%rcx)
  15:	48                   	rex.W
[  714.003842][T17158] RSP: 002b:00007ffcaa44a988 EFLAGS: 00000246 ORIG_RAX: 0000000000000139
[  714.003845][T17158] RAX: ffffffffffffffda RBX: 000055d829474810 RCX: 00007fe20442a37d
[  714.003847][T17158] RDX: 0000000000000000 RSI: 000055d7f32ecffd RDI: 0000000000000000
[  714.003848][T17158] RBP: 00007ffcaa44aa20 R08: 0000000000000000 R09: 0000000000000000
[  714.003849][T17158] R10: 0000000000000000 R11: 0000000000000246 R12: 000055d7f32ecffd
[  714.003850][T17158] R13: 000055d829474960 R14: 0000000000040000 R15: 0000000000000000
| [  910.521414][    C0]
| [  910.521415][    C0]
| [  910.521415][    C0] stack backtrace:
| [  910.521422][    C0] Tainted: [W]=WARN
[  910.521423][    C0] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[  910.521425][    C0] Call Trace:
[  910.521426][    C0]  <IRQ>
[  910.521428][    C0]  dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120)
[  910.521433][    C0]  print_irq_inversion_bug.part.0.cold (kernel/locking/lockdep.c:4141)
[  910.521435][    C0]  mark_lock_irq (kernel/locking/lockdep.c:4095 kernel/locking/lockdep.c:4174 kernel/locking/lockdep.c:4310)
[  910.521437][    C0]  ? add_lock_to_list (./include/linux/find.h:391 kernel/locking/lockdep.c:1419 kernel/locking/lockdep.c:1450)
[  910.521441][    C0]  mark_lock (kernel/locking/lockdep.c:4769)
[  910.521443][    C0]  mark_usage (kernel/locking/lockdep.c:4658)
[  910.521445][    C0]  __lock_acquire (kernel/locking/lockdep.c:5208)
[  910.521448][    C0]  lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2))
[  910.521450][    C0]  ? console_lock_spinning_enable (kernel/printk/printk.c:1902 (discriminator 2))
[  910.521453][    C0]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  910.521455][    C0]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  910.521458][    C0]  console_lock_spinning_enable (kernel/printk/printk.c:1902 (discriminator 2))
[  910.521460][    C0]  ? console_lock_spinning_enable (kernel/printk/printk.c:1902 (discriminator 2))
[  910.521462][    C0]  console_emit_next_record (kernel/printk/printk.c:3177)
[  910.521464][    C0]  ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20)
[  910.521466][    C0]  ? 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))
[  910.521469][    C0]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  910.521470][    C0]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  910.521473][    C0]  console_flush_one_record (kernel/printk/printk.c:3268)
[  910.521476][    C0]  ? console_emit_next_record (kernel/printk/printk.c:3150)
[  910.521478][    C0]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[  910.521481][    C0]  console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420)
[  910.521484][    C0]  ? console_flush_one_record (kernel/printk/printk.c:3316)
[  910.521486][    C0]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  910.521487][    C0]  ? 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)
[  910.521489][    C0]  ? __down_trylock_console_sem (kernel/printk/printk.c:334)
[  910.521491][    C0]  ? vprintk_emit (kernel/printk/printk.c:2478)
[  910.521493][    C0]  vprintk_emit (kernel/printk/printk.c:2479)
[  910.521494][    C0]  ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126))
[  910.521497][    C0]  ? clocksource_watchdog.part.0 (kernel/time/clocksource.c:531 (discriminator 1) kernel/time/clocksource.c:608 (discriminator 1) kernel/time/clocksource.c:667 (discriminator 1))
[  910.521499][    C0]  _printk (kernel/printk/printk.c:2504)
[  910.521501][    C0]  ? snapshot_read.cold (user.c:?)
[  910.521503][    C0]  ? clocksource_watchdog.part.0 (kernel/time/clocksource.c:531 (discriminator 1) kernel/time/clocksource.c:608 (discriminator 1) kernel/time/clocksource.c:667 (discriminator 1))
[  910.521505][    C0]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554)
[  910.521509][    C0]  clocksource_watchdog.part.0.cold (kernel/time/clocksource.c:589 (discriminator 10) kernel/time/clocksource.c:632 (discriminator 10) kernel/time/clocksource.c:667 (discriminator 10))
[  910.521511][    C0]  ? clocksource_watchdog.part.0 (./include/linux/find.h:67 (discriminator 4))
[  910.521513][    C0]  ? clocksource_watchdog.part.0 (./include/linux/find.h:67 (discriminator 4))
[  910.521515][    C0]  call_timer_fn (kernel/time/timer.c:1748)
[  910.521517][    C0]  ? detach_if_pending (./include/linux/list.h:1159)
[  910.521519][    C0]  ? debug_object_active_state (lib/debugobjects.c:1122)
[  910.521522][    C0]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[  910.521524][    C0]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554)
[  910.521527][    C0]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  910.521529][    C0]  __run_timers (kernel/time/timer.c:1799 kernel/time/timer.c:2374)
[  910.521531][    C0]  ? clocksource_watchdog.part.0 (./include/linux/find.h:67 (discriminator 4))
[  910.521534][    C0]  ? __bpf_trace_itimer_expire (./include/trace/events/timer.h:407)
[  910.521536][    C0]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[  910.521540][    C0]  ? __rwlock_init (kernel/locking/spinlock_debug.c:48)
[  910.521543][    C0]  run_timer_softirq (kernel/time/timer.c:2386 kernel/time/timer.c:2395 kernel/time/timer.c:2403)
[  910.521545][    C0]  ? __run_timers (./include/trace/events/timer.h:138 (discriminator 19))
[  910.521547][    C0]  ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22))
[  910.521550][    C0]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  910.521552][    C0]  handle_softirqs (kernel/softirq.c:645)
[  910.521554][    C0]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554)
[  910.521556][    C0]  ? _local_bh_enable (kernel/softirq.c:428 (discriminator 1))
[  910.521559][    C0]  __irq_exit_rcu (kernel/softirq.c:679 kernel/softirq.c:519 kernel/softirq.c:767)
[  910.521561][    C0]  irq_exit_rcu (kernel/softirq.c:784)
[  910.521563][    C0]  sysvec_apic_timer_interrupt (arch/x86/kernel/apic/apic.c:1062 (discriminator 37) arch/x86/kernel/apic/apic.c:1062 (discriminator 37))
[  910.521565][    C0]  </IRQ>
[  910.521566][    C0]  <TASK>
[  910.521566][    C0]  ? lockdep_hardirqs_on_prepare.part.0 (kernel/locking/lockdep.c:470 (discriminator 2) kernel/locking/lockdep.c:4427 (discriminator 2))
[  910.521568][    C0]  asm_sysvec_apic_timer_interrupt (./arch/x86/include/asm/idtentry.h:674)
[  910.521570][    C0] RIP: 0010:pv_native_safe_halt (./arch/x86/include/asm/irqflags.h:48 arch/x86/kernel/paravirt.c:63)
[  910.521573][    C0] Code: 48 8b 3d 94 82 68 02 e8 1f 00 00 00 48 2b 05 58 d3 a0 00 c3 0f 1f 80 00 00 00 00 f3 0f 1e fa eb 07 0f 00 2d 13 06 0e 00 fb f4 <c3> 0f 1f 40 d6 48 83 ec 20 8b 17 49 89 f8 83 e2 fe 41 89 d2 0f 01
All code
========
   0:	48 8b 3d 94 82 68 02 	mov    0x2688294(%rip),%rdi        # 0x268829b
   7:	e8 1f 00 00 00       	call   0x2b
   c:	48 2b 05 58 d3 a0 00 	sub    0xa0d358(%rip),%rax        # 0xa0d36b
  13:	c3                   	ret
  14:	0f 1f 80 00 00 00 00 	nopl   0x0(%rax)
  1b:	f3 0f 1e fa          	endbr64
  1f:	eb 07                	jmp    0x28
  21:	0f 00 2d 13 06 0e 00 	verw   0xe0613(%rip)        # 0xe063b
  28:	fb                   	sti
  29:	f4                   	hlt
  2a:*	c3                   	ret		<-- trapping instruction
  2b:	0f 1f 40 d6          	nopl   -0x2a(%rax)
  2f:	48 83 ec 20          	sub    $0x20,%rsp
  33:	8b 17                	mov    (%rdi),%edx
  35:	49 89 f8             	mov    %rdi,%r8
  38:	83 e2 fe             	and    $0xfffffffe,%edx
  3b:	41 89 d2             	mov    %edx,%r10d
  3e:	0f                   	.byte 0xf
  3f:	01                   	.byte 0x1

Code starting with the faulting instruction
===========================================
   0:	c3                   	ret
   1:	0f 1f 40 d6          	nopl   -0x2a(%rax)
   5:	48 83 ec 20          	sub    $0x20,%rsp
   9:	8b 17                	mov    (%rdi),%edx
   b:	49 89 f8             	mov    %rdi,%r8
   e:	83 e2 fe             	and    $0xfffffffe,%edx
  11:	41 89 d2             	mov    %edx,%r10d
  14:	0f                   	.byte 0xf
  15:	01                   	.byte 0x1
[  910.521575][    C0] RSP: 0018:ffffffff87407cf8 EFLAGS: 00000296
[  910.521578][    C0] RAX: 00000000026c0eab RBX: ffffffff87430600 RCX: ffffffff83b06247
[  910.521579][    C0] RDX: ffffffff87430600 RSI: ffffffff86d11027 RDI: ffffffff866949e0
[  910.521580][    C0] RBP: 0000000000000000 R08: 0000000000000000 R09: 0000000000000000
[  910.521581][    C0] R10: 0000000000000000 R11: 0000000000000001 R12: 1ffffffff0e80fa2
[  910.521582][    C0] R13: 0000000000000000 R14: dffffc0000000000 R15: 0000000000014770
[  910.521585][    C0]  ? cpuidle_idle_call.constprop.0 (kernel/sched/idle.c:199)
[  910.521587][    C0]  ? lockdep_hardirqs_on (kernel/locking/lockdep.c:4488)
[  910.521589][    C0]  default_idle (./arch/x86/include/asm/paravirt.h:62 arch/x86/kernel/process.c:768)
[  910.521592][    C0]  default_idle_call (kernel/sched/idle.c:122)
[  910.521593][    C0]  cpuidle_idle_call.constprop.0 (kernel/sched/idle.c:199)
[  910.521596][    C0]  ? arch_cpu_idle_exit+0x40/0x40
[  910.521597][    C0]  ? mark_tsc_async_resets (arch/x86/kernel/tsc_sync.c:49)
[  910.521600][    C0]  ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22))
[  910.521602][    C0]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  910.521603][    C0]  do_idle (kernel/sched/idle.c:355)
[  910.521605][    C0]  cpu_startup_entry (kernel/sched/idle.c:454)
[  910.521607][    C0]  rest_init (init/main.c:727)
[  910.521610][    C0]  ? __cpuidle_text_end (??:?)
[  910.521613][    C0]  ? rest_init (init/main.c:727)
[  910.521616][    C0]  ? acpi_hw_set_mode (drivers/acpi/acpica/hwacpi.c:72 (discriminator 1))
[  910.521620][    C0]  ? cpus_read_unlock (./include/linux/percpu-rwsem.h:125 (discriminator 1) kernel/cpu.c:502 (discriminator 1))
[  910.521622][    C0]  ? acpi_enable (drivers/acpi/acpica/evxfevnt.c:47)
[  910.521625][    C0]  start_kernel (init/main.c:1185)
[  910.521627][    C0]  x86_64_start_reservations (arch/x86/kernel/head64.c:310)
[  910.521629][    C0]  x86_64_start_kernel (arch/x86/kernel/head64.c:291)
[  910.521631][    C0]  common_startup_64 (arch/x86/kernel/head_64.S:418)
| [  910.521654][    C0] softirqs last disabled at (40636077): __irq_exit_rcu (kernel/softirq.c:679 kernel/softirq.c:519 kernel/softirq.c:767)
| [  910.521656][    C0] Preemption disabled at:
| [  910.521657][    C0] schedule_preempt_disabled (kernel/sched/core.c:7420)
| [  910.521664][    C0] Tainted: [W]=WARN
[  910.521664][    C0] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[  910.521665][    C0] Call Trace:
[  910.521666][    C0]  <IRQ>
[  910.521667][    C0]  dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120)
[  910.521670][    C0]  ? schedule_preempt_disabled (kernel/sched/core.c:7420)
[  910.521672][    C0]  __might_resched.cold (kernel/sched/core.c:9234)
[  910.521675][    C0]  ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3))
[  910.521678][    C0]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  910.521680][    C0]  __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))
[  910.521681][    C0]  ? __rwlock_init (kernel/locking/spinlock_debug.c:48)
[  910.521684][    C0]  ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[  910.521687][    C0]  ? 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)
[  910.521689][    C0]  alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[  910.521692][    C0]  put_chars (drivers/char/virtio_console.c:1176)
[  910.521694][    C0]  ? __send_to_port (drivers/char/virtio_console.c:654)
[  910.521696][    C0]  ? mark_lock (kernel/locking/lockdep.c:4769)
[  910.521699][    C0]  hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2))
[  910.521702][    C0]  ? hvc_write (drivers/tty/hvc/hvc_console.c:501)
[  910.521704][    C0]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  910.521706][    C0]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  910.521708][    C0]  console_emit_next_record (kernel/printk/printk.c:3183)
[  910.521711][    C0]  ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20)
[  910.521713][    C0]  ? 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))
[  910.521715][    C0]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  910.521717][    C0]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  910.521719][    C0]  console_flush_one_record (kernel/printk/printk.c:3268)
[  910.521721][    C0]  ? console_emit_next_record (kernel/printk/printk.c:3150)
[  910.521723][    C0]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[  910.521726][    C0]  console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420)
[  910.521728][    C0]  ? console_flush_one_record (kernel/printk/printk.c:3316)
[  910.521730][    C0]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  910.521732][    C0]  ? 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)
[  910.521734][    C0]  ? __down_trylock_console_sem (kernel/printk/printk.c:334)
[  910.521736][    C0]  ? vprintk_emit (kernel/printk/printk.c:2478)
[  910.521738][    C0]  vprintk_emit (kernel/printk/printk.c:2479)
[  910.521740][    C0]  ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126))
[  910.521742][    C0]  ? clocksource_watchdog.part.0 (kernel/time/clocksource.c:531 (discriminator 1) kernel/time/clocksource.c:608 (discriminator 1) kernel/time/clocksource.c:667 (discriminator 1))
[  910.521744][    C0]  _printk (kernel/printk/printk.c:2504)
[  910.521746][    C0]  ? snapshot_read.cold (user.c:?)
[  910.521748][    C0]  ? clocksource_watchdog.part.0 (kernel/time/clocksource.c:531 (discriminator 1) kernel/time/clocksource.c:608 (discriminator 1) kernel/time/clocksource.c:667 (discriminator 1))
[  910.521750][    C0]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554)
[  910.521752][    C0]  clocksource_watchdog.part.0.cold (kernel/time/clocksource.c:589 (discriminator 10) kernel/time/clocksource.c:632 (discriminator 10) kernel/time/clocksource.c:667 (discriminator 10))
[  910.521754][    C0]  ? clocksource_watchdog.part.0 (./include/linux/find.h:67 (discriminator 4))
[  910.521756][    C0]  ? clocksource_watchdog.part.0 (./include/linux/find.h:67 (discriminator 4))
[  910.521758][    C0]  call_timer_fn (kernel/time/timer.c:1748)
[  910.521761][    C0]  ? detach_if_pending (./include/linux/list.h:1159)
[  910.521763][    C0]  ? debug_object_active_state (lib/debugobjects.c:1122)
[  910.521765][    C0]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[  910.521767][    C0]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554)
[  910.521769][    C0]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  910.521771][    C0]  __run_timers (kernel/time/timer.c:1799 kernel/time/timer.c:2374)
[  910.521773][    C0]  ? clocksource_watchdog.part.0 (./include/linux/find.h:67 (discriminator 4))
[  910.521776][    C0]  ? __bpf_trace_itimer_expire (./include/trace/events/timer.h:407)
[  910.521778][    C0]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[  910.521781][    C0]  ? __rwlock_init (kernel/locking/spinlock_debug.c:48)
[  910.521783][    C0]  run_timer_softirq (kernel/time/timer.c:2386 kernel/time/timer.c:2395 kernel/time/timer.c:2403)
[  910.521786][    C0]  ? __run_timers (./include/trace/events/timer.h:138 (discriminator 19))
[  910.521788][    C0]  ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22))
[  910.521790][    C0]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  910.521791][    C0]  handle_softirqs (kernel/softirq.c:645)
[  910.521794][    C0]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554)
[  910.521796][    C0]  ? _local_bh_enable (kernel/softirq.c:428 (discriminator 1))
[  910.521798][    C0]  __irq_exit_rcu (kernel/softirq.c:679 kernel/softirq.c:519 kernel/softirq.c:767)
[  910.521800][    C0]  irq_exit_rcu (kernel/softirq.c:784)
[  910.521801][    C0]  sysvec_apic_timer_interrupt (arch/x86/kernel/apic/apic.c:1062 (discriminator 37) arch/x86/kernel/apic/apic.c:1062 (discriminator 37))
[  910.521803][    C0]  </IRQ>
[  910.521804][    C0]  <TASK>
[  910.521804][    C0]  ? lockdep_hardirqs_on_prepare.part.0 (kernel/locking/lockdep.c:470 (discriminator 2) kernel/locking/lockdep.c:4427 (discriminator 2))
[  910.521806][    C0]  asm_sysvec_apic_timer_interrupt (./arch/x86/include/asm/idtentry.h:674)
[  910.521808][    C0] RIP: 0010:pv_native_safe_halt (./arch/x86/include/asm/irqflags.h:48 arch/x86/kernel/paravirt.c:63)
[  910.521810][    C0] Code: 48 8b 3d 94 82 68 02 e8 1f 00 00 00 48 2b 05 58 d3 a0 00 c3 0f 1f 80 00 00 00 00 f3 0f 1e fa eb 07 0f 00 2d 13 06 0e 00 fb f4 <c3> 0f 1f 40 d6 48 83 ec 20 8b 17 49 89 f8 83 e2 fe 41 89 d2 0f 01
All code
========
   0:	48 8b 3d 94 82 68 02 	mov    0x2688294(%rip),%rdi        # 0x268829b
   7:	e8 1f 00 00 00       	call   0x2b
   c:	48 2b 05 58 d3 a0 00 	sub    0xa0d358(%rip),%rax        # 0xa0d36b
  13:	c3                   	ret
  14:	0f 1f 80 00 00 00 00 	nopl   0x0(%rax)
  1b:	f3 0f 1e fa          	endbr64
  1f:	eb 07                	jmp    0x28
  21:	0f 00 2d 13 06 0e 00 	verw   0xe0613(%rip)        # 0xe063b
  28:	fb                   	sti
  29:	f4                   	hlt
  2a:*	c3                   	ret		<-- trapping instruction
  2b:	0f 1f 40 d6          	nopl   -0x2a(%rax)
  2f:	48 83 ec 20          	sub    $0x20,%rsp
  33:	8b 17                	mov    (%rdi),%edx
  35:	49 89 f8             	mov    %rdi,%r8
  38:	83 e2 fe             	and    $0xfffffffe,%edx
  3b:	41 89 d2             	mov    %edx,%r10d
  3e:	0f                   	.byte 0xf
  3f:	01                   	.byte 0x1

Code starting with the faulting instruction
===========================================
   0:	c3                   	ret
   1:	0f 1f 40 d6          	nopl   -0x2a(%rax)
   5:	48 83 ec 20          	sub    $0x20,%rsp
   9:	8b 17                	mov    (%rdi),%edx
   b:	49 89 f8             	mov    %rdi,%r8
   e:	83 e2 fe             	and    $0xfffffffe,%edx
  11:	41 89 d2             	mov    %edx,%r10d
  14:	0f                   	.byte 0xf
  15:	01                   	.byte 0x1
[  910.521811][    C0] RSP: 0018:ffffffff87407cf8 EFLAGS: 00000296
[  910.521812][    C0] RAX: 00000000026c0eab RBX: ffffffff87430600 RCX: ffffffff83b06247
[  910.521814][    C0] RDX: ffffffff87430600 RSI: ffffffff86d11027 RDI: ffffffff866949e0
[  910.521815][    C0] RBP: 0000000000000000 R08: 0000000000000000 R09: 0000000000000000
[  910.521816][    C0] R10: 0000000000000000 R11: 0000000000000001 R12: 1ffffffff0e80fa2
[  910.521817][    C0] R13: 0000000000000000 R14: dffffc0000000000 R15: 0000000000014770
[  910.521818][    C0]  ? cpuidle_idle_call.constprop.0 (kernel/sched/idle.c:199)
[  910.521821][    C0]  ? lockdep_hardirqs_on (kernel/locking/lockdep.c:4488)
[  910.521823][    C0]  default_idle (./arch/x86/include/asm/paravirt.h:62 arch/x86/kernel/process.c:768)
[  910.521825][    C0]  default_idle_call (kernel/sched/idle.c:122)
[  910.521826][    C0]  cpuidle_idle_call.constprop.0 (kernel/sched/idle.c:199)
[  910.521828][    C0]  ? arch_cpu_idle_exit+0x40/0x40
[  910.521830][    C0]  ? mark_tsc_async_resets (arch/x86/kernel/tsc_sync.c:49)
[  910.521832][    C0]  ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22))
[  910.521833][    C0]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  910.521835][    C0]  do_idle (kernel/sched/idle.c:355)
[  910.521837][    C0]  cpu_startup_entry (kernel/sched/idle.c:454)
[  910.521838][    C0]  rest_init (init/main.c:727)
[  910.521840][    C0]  ? __cpuidle_text_end (??:?)
[  910.521843][    C0]  ? rest_init (init/main.c:727)
[  910.521846][    C0]  ? acpi_hw_set_mode (drivers/acpi/acpica/hwacpi.c:72 (discriminator 1))
[  910.521848][    C0]  ? cpus_read_unlock (./include/linux/percpu-rwsem.h:125 (discriminator 1) kernel/cpu.c:502 (discriminator 1))
[  910.521850][    C0]  ? acpi_enable (drivers/acpi/acpica/evxfevnt.c:47)
[  910.521852][    C0]  start_kernel (init/main.c:1185)
[  910.521854][    C0]  x86_64_start_reservations (arch/x86/kernel/head64.c:310)
[  910.521856][    C0]  x86_64_start_kernel (arch/x86/kernel/head64.c:291)


Finger prints:
do_softirq:vprintk_emit:dump_stack_lvl:__kmalloc_noprof:put_chars
vxlan_flush:vprintk_emit:dump_stack_lvl:__kmalloc_noprof:put_chars
netlink_release:vprintk_emit:dump_stack_lvl:__kmalloc_noprof:put_chars
__alloc_skb:vprintk_emit:dump_stack_lvl:__kmalloc_noprof:put_chars
__irq_exit_rcu:schedule_preempt_disabled:dump_stack_lvl:__kmalloc_noprof:put_chars
__irq_exit_rcu:dump_stack_lvl:__kmalloc_noprof:put_chars:hvc_console_print
vprintk_emit:dump_stack_lvl:__kmalloc_noprof:put_chars:hvc_console_print
__irq_exit_rcu:vprintk_emit:dump_stack_lvl:__kmalloc_noprof:put_chars
inet6_fill_ifla6_attrs:vprintk_emit:dump_stack_lvl:__kmalloc_noprof:put_chars
mark_lock_irq:mark_lock:mark_usage:__lock_acquire:console_lock_spinning_enable