======================================
| [   68.398211][ T2100] softirqs last disabled at (25581): __irq_exit_rcu (kernel/softirq.c:679 kernel/softirq.c:519 kernel/softirq.c:767)
| [   68.398213][ T2100] Preemption disabled at:
| [   68.398214][ T2100] 0x0
| [   68.398224][ T2100] Tainted: [W]=WARN
[   68.398225][ T2100] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   68.398227][ T2100] Call Trace:
[   68.398229][ T2100]  <TASK>
[   68.398230][ T2100]  dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120)
[   68.398237][ T2100]  __might_resched.cold (kernel/sched/core.c:9234)
[   68.398241][ T2100]  ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3))
[   68.398246][ T2100]  ? __kmalloc_noprof (./include/linux/sched/mm.h:317 mm/slub.c:4636 mm/slub.c:4974 mm/slub.c:5413 mm/slub.c:5439)
[   68.398250][ T2100]  __kmalloc_noprof (./include/linux/sched/mm.h:322 (discriminator 2) mm/slub.c:4636 (discriminator 2) mm/slub.c:4974 (discriminator 2) mm/slub.c:5413 (discriminator 2) mm/slub.c:5439 (discriminator 2))
[   68.398252][ T2100]  ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[   68.398259][ T2100]  ? do_raw_spin_unlock (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:32 ./include/asm-generic/qspinlock.h:58 kernel/locking/spinlock_debug.c:101 kernel/locking/spinlock_debug.c:141)
[   68.398261][ T2100]  alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[   68.398265][ T2100]  put_chars (drivers/char/virtio_console.c:1176)
[   68.398268][ T2100]  ? __send_to_port (drivers/char/virtio_console.c:654)
[   68.398269][ T2100]  ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4116 (discriminator 3) kernel/rcu/tree.c:4108 (discriminator 3))
[   68.398273][ T2100]  ? validate_chain (kernel/locking/lockdep.c:3817 (discriminator 2) kernel/locking/lockdep.c:3837 (discriminator 2) kernel/locking/lockdep.c:3892 (discriminator 2))
[   68.398278][ T2100]  hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2))
[   68.398286][ T2100]  ? hvc_write (drivers/tty/hvc/hvc_console.c:501)
[   68.398289][ T2100]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   68.398291][ T2100]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   68.398295][ T2100]  console_emit_next_record (kernel/printk/printk.c:3183)
[   68.398299][ T2100]  ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20)
[   68.398301][ T2100]  ? 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))
[   68.398304][ T2100]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   68.398306][ T2100]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   68.398310][ T2100]  console_flush_one_record (kernel/printk/printk.c:3268)
[   68.398314][ T2100]  ? console_emit_next_record (kernel/printk/printk.c:3150)
[   68.398316][ T2100]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   68.398322][ T2100]  console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420)
[   68.398324][ T2100]  ? console_flush_one_record (kernel/printk/printk.c:3316)
[   68.398326][ T2100]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   68.398328][ T2100]  ? 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)
[   68.398332][ T2100]  ? __down_trylock_console_sem (kernel/printk/printk.c:334)
[   68.398334][ T2100]  ? vprintk_emit (kernel/printk/printk.c:2478)
[   68.398336][ T2100]  vprintk_emit (kernel/printk/printk.c:2479)
[   68.398340][ T2100]  ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126))
[   68.398342][ T2100]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   68.398346][ T2100]  _printk (kernel/printk/printk.c:2504)
[   68.398350][ T2100]  ? snapshot_read.cold (user.c:?)
[   68.398353][ T2100]  ? 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)
[   68.398356][ T2100]  ? __rwlock_init (kernel/locking/spinlock_debug.c:48)
[   68.398360][ T2100]  ? 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)
[   68.398363][ T2100]  do_exit.cold (kernel/exit.c:889 (discriminator 4) kernel/exit.c:1043 (discriminator 4))
[   68.398366][ T2100]  ? exit_notify (kernel/exit.c:780)
[   68.398368][ T2100]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554)
[   68.398371][ T2100]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   68.398374][ T2100]  do_group_exit (kernel/exit.c:1151)
[   68.398377][ T2100]  __x64_sys_exit_group (kernel/exit.c:1162 kernel/exit.c:1160 kernel/exit.c:1160)
[   68.398379][ T2100]  x64_sys_call (./arch/x86/include/generated/asm/syscalls_64.h:232)
[   68.398382][ T2100]  do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84)
[   68.398386][ T2100]  ? exc_page_fault (arch/x86/mm/fault.c:1489 (discriminator 3) arch/x86/mm/fault.c:1536 (discriminator 3))
[   68.398389][ T2100]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[   68.398391][ T2100] RIP: 0033:0x7fb680a411b8
[   68.398393][ T2100] Code: Unable to access opcode bytes at 0x7fb680a4118e.

Code starting with the faulting instruction
===========================================
[   68.398394][ T2100] RSP: 002b:00007fff5234b928 EFLAGS: 00000246 ORIG_RAX: 00000000000000e7
[   68.398397][ T2100] RAX: ffffffffffffffda RBX: 00007fb680b71f88 RCX: 00007fb680a411b8
[   68.398398][ T2100] RDX: 00007fb68078bfc8 RSI: fffffffffffffeb8 RDI: 0000000000000000
[   68.398399][ T2100] RBP: 00007fff5234b980 R08: 0000000000000000 R09: 0000000000000050
[   68.398400][ T2100] R10: 00007fff5234b740 R11: 0000000000000246 R12: 0000000000000001
[   68.398400][ T2100] R13: 0000000000000000 R14: 00007fb680b70680 R15: 00007fb680b71fa0
| [  135.369867][ T4016] softirqs last disabled at (39000): __alloc_skb (./include/linux/bottom_half.h:20 (discriminator 2) net/core/skbuff.c:697 (discriminator 2))
| [  135.369870][ T4016] Preemption disabled at:
| [  135.369871][ T4016] vprintk_emit (kernel/printk/printk.c:2471)
| [  135.369879][ T4016] Tainted: [W]=WARN
[  135.369880][ T4016] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[  135.369882][ T4016] Call Trace:
[  135.369884][ T4016]  <TASK>
[  135.369885][ T4016]  dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120)
[  135.369892][ T4016]  ? vprintk_emit (kernel/printk/printk.c:2471)
[  135.369893][ T4016]  __might_resched.cold (kernel/sched/core.c:9234)
[  135.369898][ T4016]  ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3))
[  135.369902][ T4016]  ? __kmalloc_noprof (./include/linux/sched/mm.h:317 mm/slub.c:4636 mm/slub.c:4974 mm/slub.c:5413 mm/slub.c:5439)
[  135.369906][ T4016]  __kmalloc_noprof (./include/linux/sched/mm.h:322 (discriminator 2) mm/slub.c:4636 (discriminator 2) mm/slub.c:4974 (discriminator 2) mm/slub.c:5413 (discriminator 2) mm/slub.c:5439 (discriminator 2))
[  135.369908][ T4016]  ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[  135.369915][ T4016]  ? do_raw_spin_unlock (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:32 ./include/asm-generic/qspinlock.h:58 kernel/locking/spinlock_debug.c:101 kernel/locking/spinlock_debug.c:141)
[  135.369917][ T4016]  alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[  135.369921][ T4016]  put_chars (drivers/char/virtio_console.c:1176)
[  135.369923][ T4016]  ? __send_to_port (drivers/char/virtio_console.c:654)
[  135.369926][ T4016]  ? validate_chain (kernel/locking/lockdep.c:159 kernel/locking/lockdep.c:191 kernel/locking/lockdep.c:3928)
[  135.369931][ T4016]  hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2))
[  135.369939][ T4016]  ? hvc_write (drivers/tty/hvc/hvc_console.c:501)
[  135.369942][ T4016]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  135.369944][ T4016]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  135.369948][ T4016]  console_emit_next_record (kernel/printk/printk.c:3183)
[  135.369952][ T4016]  ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20)
[  135.369954][ T4016]  ? 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))
[  135.369957][ T4016]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  135.369959][ T4016]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  135.369963][ T4016]  console_flush_one_record (kernel/printk/printk.c:3268)
[  135.369967][ T4016]  ? console_emit_next_record (kernel/printk/printk.c:3150)
[  135.369969][ T4016]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[  135.369974][ T4016]  console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420)
[  135.369977][ T4016]  ? console_flush_one_record (kernel/printk/printk.c:3316)
[  135.369979][ T4016]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  135.369981][ T4016]  ? 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)
[  135.369984][ T4016]  ? __down_trylock_console_sem (kernel/printk/printk.c:334)
[  135.369986][ T4016]  ? vprintk_emit (kernel/printk/printk.c:2478)
[  135.369989][ T4016]  vprintk_emit (kernel/printk/printk.c:2479)
[  135.369992][ T4016]  ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126))
[  135.369994][ T4016]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554)
[  135.369995][ T4016]  ? _raw_spin_unlock_irqrestore (./include/linux/spinlock_api_smp.h:211 (discriminator 1) kernel/locking/spinlock.c:221 (discriminator 1))
[  135.370000][ T4016]  ? mark_held_locks (kernel/locking/lockdep.c:4341)
[  135.370003][ T4016]  _printk (kernel/printk/printk.c:2504)
[  135.370007][ T4016]  ? snapshot_read.cold (user.c:?)
[  135.370010][ T4016]  ? br_multicast_flood (??:?)
[  135.370014][ T4016]  ? do_setlink.isra.0 (net/core/rtnetlink.c:3273 (discriminator 1))
[  135.370015][ T4016]  ? rtnl_newlink (net/core/rtnetlink.c:4215)
[  135.370016][ T4016]  ? rtnetlink_rcv_msg (net/core/rtnetlink.c:7132)
[  135.370020][ T4016]  br_set_state (net/bridge/br_stp.c:57 (discriminator 2))
[  135.370024][ T4016]  br_init_port (net/bridge/br_stp_if.c:39)
[  135.370026][ T4016]  new_nbp (net/bridge/br_if.c:449)
[  135.370030][ T4016]  br_add_if (net/bridge/br_if.c:592)
[  135.370033][ T4016]  ? is_bpf_text_address (./include/linux/rcupdate.h:882 kernel/bpf/core.c:751)
[  135.370036][ T4016]  ? kernel_text_address (kernel/extable.c:125 kernel/extable.c:94)
[  135.370042][ T4016]  do_set_master (net/core/rtnetlink.c:3071)
[  135.370046][ T4016]  do_setlink.isra.0 (net/core/rtnetlink.c:3273 (discriminator 1))
[  135.370049][ T4016]  ? stack_trace_save (kernel/stacktrace.c:122 (discriminator 1))
[  135.370053][ T4016]  ? rtnl_link_get_size (net/core/rtnetlink.c:747)
[  135.370054][ T4016]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:388 kernel/rcu/update.c:380)
[  135.370057][ T4016]  ? stack_depot_save_flags (lib/stackdepot.c:609 (discriminator 2) lib/stackdepot.c:676 (discriminator 2))
[  135.370060][ T4016]  ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4116 (discriminator 3) kernel/rcu/tree.c:4108 (discriminator 3))
[  135.370062][ T4016]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380)
[  135.370064][ T4016]  ? validate_chain (kernel/locking/lockdep.c:3817 (discriminator 2) kernel/locking/lockdep.c:3837 (discriminator 2) kernel/locking/lockdep.c:3892 (discriminator 2))
[  135.370067][ T4016]  ? kasan_save_stack (mm/kasan/common.c:58)
[  135.370069][ T4016]  ? kasan_save_stack (mm/kasan/common.c:57)
[  135.370070][ T4016]  ? kasan_save_track (mm/kasan/common.c:78)
[  135.370072][ T4016]  ? __kasan_kmalloc (mm/kasan/common.c:398 mm/kasan/common.c:415)
[  135.370074][ T4016]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[  135.370076][ T4016]  ? snd_ac97_proc_read_main (sound/pci/ac97/ac97_proc.c:320)
[  135.370079][ T4016]  ? ___sys_sendmsg (net/socket.c:2758)
[  135.370082][ T4016]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2))
[  135.370084][ T4016]  ? rtnl_newlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:366 net/core/rtnetlink.c:4214)
[  135.370087][ T4016]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  135.370088][ T4016]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  135.370090][ T4016]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  135.370091][ T4016]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  135.370093][ T4016]  ? trace_contention_end (./include/trace/events/lock.h:121 (discriminator 22))
[  135.370095][ T4016]  ? __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)
[  135.370097][ T4016]  ? __mutex_lock (kernel/locking/mutex.c:656 (discriminator 1) kernel/locking/mutex.c:821 (discriminator 1))
[  135.370099][ T4016]  ? rtnl_newlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:366 net/core/rtnetlink.c:4214)
[  135.370102][ T4016]  ? ww_mutex_lock (kernel/locking/mutex.c:934)
[  135.370103][ T4016]  ? nla_get_range_signed (lib/nlattr.c:270)
[  135.370108][ T4016]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  135.370110][ T4016]  ? __rtnl_newlink (net/core/rtnetlink.c:4063)
[  135.370115][ T4016]  rtnl_newlink (net/core/rtnetlink.c:4215)
[  135.370120][ T4016]  ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558)
[  135.370122][ T4016]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[  135.370127][ T4016]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2))
[  135.370129][ T4016]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[  135.370131][ T4016]  ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558)
[  135.370133][ T4016]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554)
[  135.370137][ T4016]  ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558)
[  135.370139][ T4016]  rtnetlink_rcv_msg (net/core/rtnetlink.c:7132)
[  135.370142][ T4016]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[  135.370143][ T4016]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[  135.370147][ T4016]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2))
[  135.370149][ T4016]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[  135.370153][ T4016]  netlink_rcv_skb (net/netlink/af_netlink.c:2556)
[  135.370156][ T4016]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[  135.370159][ T4016]  ? netlink_ack (./include/linux/skbuff.h:2718)
[  135.370165][ T4016]  ? 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))
[  135.370167][ T4016]  ? 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))
[  135.370172][ T4016]  netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[  135.370176][ T4016]  ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[  135.370178][ T4016]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[  135.370182][ T4016]  netlink_sendmsg (net/netlink/af_netlink.c:1900)
[  135.370186][ T4016]  ? netlink_unicast (./include/net/net_namespace.h:422 (discriminator 7))
[  135.370190][ T4016]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554)
[  135.370192][ T4016]  ? __import_iovec (lib/iov_iter.c:1358 lib/iov_iter.c:1373)
[  135.370197][ T4016]  __sock_sendmsg (net/socket.c:800 (discriminator 4) net/socket.c:815 (discriminator 4))
[  135.370200][ T4016]  ____sys_sendmsg (net/socket.c:2713)
[  135.370202][ T4016]  ? copy_msghdr_from_user (net/socket.c:2650)
[  135.370204][ T4016]  ? sock_write_iter (net/socket.c:1269)
[  135.370206][ T4016]  ? move_addr_to_kernel (net/socket.c:258)
[  135.370213][ T4016]  ___sys_sendmsg (net/socket.c:2767)
[  135.370216][ T4016]  ? copy_msghdr_from_user (net/socket.c:2619)
[  135.370232][ T4016]  __sys_sendmsg (net/socket.c:2799)
[  135.370235][ T4016]  ? __sys_sendmsg_sock (net/socket.c:2780)
[  135.370241][ T4016]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  135.370244][ T4016]  do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84)
[  135.370247][ T4016]  ? exc_page_fault (arch/x86/mm/fault.c:1489 (discriminator 3) arch/x86/mm/fault.c:1536 (discriminator 3))
[  135.370250][ T4016]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[  135.370252][ T4016] RIP: 0033:0x7f9064d0154e
[  135.370256][ T4016] 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
[  135.370258][ T4016] RSP: 002b:00007ffea4895a20 EFLAGS: 00000202 ORIG_RAX: 000000000000002e
[  135.370260][ T4016] RAX: ffffffffffffffda RBX: 0000000000000003 RCX: 00007f9064d0154e
[  135.370262][ T4016] RDX: 0000000000000000 RSI: 00007ffea4895ad0 RDI: 0000000000000005
[  135.370263][ T4016] RBP: 00007ffea4895a30 R08: 0000000000000000 R09: 0000000000000000
[  135.370264][ T4016] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a91a4c4
[  135.370264][ T4016] R13: 00000000004a1620 R14: 0000000000000000 R15: 00007ffea4896190
| [  139.732343][   T71] softirqs last disabled at (4436436): vxlan_flush (./include/linux/spinlock.h:353 drivers/net/vxlan/vxlan_core.c:3094) vxlan
| [  139.732350][   T71] Preemption disabled at:
| [  139.732350][   T71] vprintk_emit (kernel/printk/printk.c:2471)
| [  139.732362][   T71] Tainted: [W]=WARN
[  139.732363][   T71] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[  139.732365][   T71] Workqueue: netns cleanup_net
[  139.732369][   T71] Call Trace:
[  139.732372][   T71]  <TASK>
[  139.732374][   T71]  dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120)
[  139.732382][   T71]  ? vprintk_emit (kernel/printk/printk.c:2471)
[  139.732385][   T71]  __might_resched.cold (kernel/sched/core.c:9234)
[  139.732391][   T71]  ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3))
[  139.732397][   T71]  ? __kmalloc_noprof (./include/linux/sched/mm.h:317 mm/slub.c:4636 mm/slub.c:4974 mm/slub.c:5413 mm/slub.c:5439)
[  139.732404][   T71]  __kmalloc_noprof (./include/linux/sched/mm.h:322 (discriminator 2) mm/slub.c:4636 (discriminator 2) mm/slub.c:4974 (discriminator 2) mm/slub.c:5413 (discriminator 2) mm/slub.c:5439 (discriminator 2))
[  139.732407][   T71]  ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[  139.732417][   T71]  ? do_raw_spin_unlock (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:32 ./include/asm-generic/qspinlock.h:58 kernel/locking/spinlock_debug.c:101 kernel/locking/spinlock_debug.c:141)
[  139.732420][   T71]  alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[  139.732426][   T71]  put_chars (drivers/char/virtio_console.c:1176)
[  139.732430][   T71]  ? __send_to_port (drivers/char/virtio_console.c:654)
[  139.732436][   T71]  ? validate_chain (kernel/locking/lockdep.c:159 kernel/locking/lockdep.c:191 kernel/locking/lockdep.c:3928)
[  139.732445][   T71]  hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2))
[  139.732456][   T71]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[  139.732466][   T71]  ? hvc_write (drivers/tty/hvc/hvc_console.c:501)
[  139.732471][   T71]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  139.732480][   T71]  console_emit_next_record (kernel/printk/printk.c:3183)
[  139.732487][   T71]  ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20)
[  139.732490][   T71]  ? 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))
[  139.732495][   T71]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  139.732498][   T71]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  139.732506][   T71]  console_flush_one_record (kernel/printk/printk.c:3268)
[  139.732513][   T71]  ? console_emit_next_record (kernel/printk/printk.c:3150)
[  139.732516][   T71]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[  139.732526][   T71]  console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420)
[  139.732530][   T71]  ? console_flush_one_record (kernel/printk/printk.c:3316)
[  139.732533][   T71]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  139.732536][   T71]  ? 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)
[  139.732543][   T71]  ? __down_trylock_console_sem (kernel/printk/printk.c:334)
[  139.732545][   T71]  ? vprintk_emit (kernel/printk/printk.c:2478)
[  139.732551][   T71]  vprintk_emit (kernel/printk/printk.c:2479)
[  139.732556][   T71]  ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126))
[  139.732559][   T71]  ? cleanup_net (net/core/net_namespace.c:706)
[  139.732561][   T71]  ? worker_thread (kernel/workqueue.c:3470 kernel/workqueue.c:3551)
[  139.732564][   T71]  ? kthread (kernel/kthread.c:436)
[  139.732567][   T71]  ? ret_from_fork (arch/x86/kernel/process.c:158)
[  139.732571][   T71]  ? ret_from_fork_asm (arch/x86/entry/entry_64.S:245)
[  139.732579][   T71]  _printk (kernel/printk/printk.c:2504)
[  139.732584][   T71]  ? snapshot_read.cold (user.c:?)
[  139.732593][   T71]  ? netdev_name (./include/linux/netdevice.h:5709 (discriminator 1))
[  139.732598][   T71]  ? __netdev_printk (net/core/dev.c:13148 (discriminator 2))
[  139.732605][   T71]  netdev_info (net/core/dev.c:13195 (discriminator 3))
[  139.732610][   T71]  ? netdev_notice (net/core/dev.c:13194)
[  139.732618][   T71]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  139.732621][   T71]  ? __up_read (kernel/locking/rwsem.c:1397 (discriminator 1))
[  139.732626][   T71]  ? down_write_nested (kernel/locking/rwsem.c:1759)
[  139.732629][   T71]  ? 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)
[  139.732634][   T71]  netif_set_allmulti.cold (net/core/dev.c:9731 (discriminator 3))
[  139.732641][   T71]  dev_set_allmulti (net/core/dev_api.c:315)
[  139.732647][   T71]  del_nbp (net/bridge/br_if.c:253 net/bridge/br_if.c:341)
[  139.732658][   T71]  br_dev_delete (net/bridge/br_if.c:387)
[  139.732669][   T71]  br_net_exit_rtnl (net/bridge/br.c:414)
[  139.732674][   T71]  ops_undo_list (net/core/net_namespace.c:181 net/core/net_namespace.c:249)
[  139.732681][   T71]  ? lockdep_hardirqs_on (kernel/locking/lockdep.c:4488)
[  139.732687][   T71]  ? netns_install (./include/linux/ns_common.h:26)
[  139.732689][   T71]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554)
[  139.732695][   T71]  ? idr_destroy (lib/radix-tree.c:310 lib/radix-tree.c:674 lib/radix-tree.c:1563)
[  139.732703][   T71]  cleanup_net (net/core/net_namespace.c:706)
[  139.732708][   T71]  ? net_passive_dec (./include/linux/llist.h:241)
[  139.732715][   T71]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  139.732718][   T71]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  139.732725][   T71]  process_one_work (kernel/workqueue.c:3387)
[  139.732737][   T71]  ? __queue_delayed_work (kernel/workqueue.c:2622)
[  139.732743][   T71]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2))
[  139.732757][   T71]  worker_thread (kernel/workqueue.c:3470 kernel/workqueue.c:3551)
[  139.732765][   T71]  ? rescuer_thread (./include/linux/list.h:419 (discriminator 3))
[  139.732768][   T71]  ? __kthread_parkme (./include/linux/instrumented.h:82 ./include/asm-generic/bitops/instrumented-non-atomic.h:141 kernel/kthread.c:272)
[  139.732773][   T71]  ? rescuer_thread (./include/linux/list.h:419 (discriminator 3))
[  139.732778][   T71]  ? rescuer_thread (./include/linux/list.h:419 (discriminator 3))
[  139.732781][   T71]  kthread (kernel/kthread.c:436)
[  139.732784][   T71]  ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22))
[  139.732788][   T71]  ? kthread_affine_preferred (kernel/kthread.c:857)
[  139.732794][   T71]  ret_from_fork (arch/x86/kernel/process.c:158)
[  139.732798][   T71]  ? arch_exit_to_user_mode_prepare.isra.0 (arch/x86/entry/vdso/vma.c:80 (discriminator 1))
[  139.732804][   T71]  ? __switch_to (arch/x86/kernel/process_64.c:403 arch/x86/kernel/process_64.c:663)
[  139.732809][   T71]  ? kthread_affine_preferred (kernel/kthread.c:857)
[  139.732814][   T71]  ret_from_fork_asm (arch/x86/entry/entry_64.S:245)
| [  144.003349][ T4230] softirqs last disabled at (37906): __alloc_skb (./include/linux/bottom_half.h:20 (discriminator 2) net/core/skbuff.c:697 (discriminator 2))
| [  144.003351][ T4230] Preemption disabled at:
| [  144.003352][ T4230] vprintk_emit (kernel/printk/printk.c:2471)
| [  144.003360][ T4230] Tainted: [W]=WARN
[  144.003361][ T4230] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[  144.003363][ T4230] Call Trace:
[  144.003365][ T4230]  <TASK>
[  144.003366][ T4230]  dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120)
[  144.003372][ T4230]  ? vprintk_emit (kernel/printk/printk.c:2471)
[  144.003374][ T4230]  __might_resched.cold (kernel/sched/core.c:9234)
[  144.003378][ T4230]  ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3))
[  144.003382][ 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)
[  144.003386][ 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))
[  144.003388][ T4230]  ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[  144.003395][ 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)
[  144.003398][ T4230]  alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[  144.003402][ T4230]  put_chars (drivers/char/virtio_console.c:1176)
[  144.003404][ T4230]  ? __send_to_port (drivers/char/virtio_console.c:654)
[  144.003405][ T4230]  ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4116 (discriminator 3) kernel/rcu/tree.c:4108 (discriminator 3))
[  144.003409][ T4230]  ? validate_chain (kernel/locking/lockdep.c:3817 (discriminator 2) kernel/locking/lockdep.c:3837 (discriminator 2) kernel/locking/lockdep.c:3892 (discriminator 2))
[  144.003414][ T4230]  hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2))
[  144.003422][ T4230]  ? hvc_write (drivers/tty/hvc/hvc_console.c:501)
[  144.003425][ T4230]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  144.003427][ T4230]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  144.003431][ T4230]  console_emit_next_record (kernel/printk/printk.c:3183)
[  144.003435][ T4230]  ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20)
[  144.003437][ 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))
[  144.003440][ T4230]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  144.003442][ T4230]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  144.003446][ T4230]  console_flush_one_record (kernel/printk/printk.c:3268)
[  144.003450][ T4230]  ? console_emit_next_record (kernel/printk/printk.c:3150)
[  144.003452][ T4230]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[  144.003457][ T4230]  console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420)
[  144.003460][ T4230]  ? console_flush_one_record (kernel/printk/printk.c:3316)
[  144.003461][ T4230]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  144.003463][ 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)
[  144.003467][ T4230]  ? __down_trylock_console_sem (kernel/printk/printk.c:334)
[  144.003469][ T4230]  ? vprintk_emit (kernel/printk/printk.c:2478)
[  144.003471][ T4230]  vprintk_emit (kernel/printk/printk.c:2479)
[  144.003474][ T4230]  ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126))
[  144.003476][ T4230]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554)
[  144.003485][ T4230]  ? mark_held_locks (kernel/locking/lockdep.c:4341)
[  144.003489][ T4230]  _printk (kernel/printk/printk.c:2504)
[  144.003493][ T4230]  ? snapshot_read.cold (user.c:?)
[  144.003496][ T4230]  ? br_multicast_flood (??:?)
[  144.003500][ T4230]  ? do_setlink.isra.0 (net/core/rtnetlink.c:3273 (discriminator 1))
[  144.003501][ T4230]  ? rtnl_newlink (net/core/rtnetlink.c:4215)
[  144.003502][ T4230]  ? rtnetlink_rcv_msg (net/core/rtnetlink.c:7132)
[  144.003506][ T4230]  br_set_state (net/bridge/br_stp.c:57 (discriminator 2))
[  144.003510][ T4230]  br_init_port (net/bridge/br_stp_if.c:39)
[  144.003513][ T4230]  new_nbp (net/bridge/br_if.c:449)
[  144.003516][ T4230]  br_add_if (net/bridge/br_if.c:592)
[  144.003519][ T4230]  ? is_bpf_text_address (./include/linux/rcupdate.h:882 kernel/bpf/core.c:751)
[  144.003522][ T4230]  ? kernel_text_address (kernel/extable.c:125 kernel/extable.c:94)
[  144.003528][ T4230]  do_set_master (net/core/rtnetlink.c:3071)
[  144.003531][ T4230]  do_setlink.isra.0 (net/core/rtnetlink.c:3273 (discriminator 1))
[  144.003535][ T4230]  ? stack_trace_save (kernel/stacktrace.c:122 (discriminator 1))
[  144.003538][ T4230]  ? rtnl_link_get_size (net/core/rtnetlink.c:747)
[  144.003539][ T4230]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:388 kernel/rcu/update.c:380)
[  144.003542][ T4230]  ? stack_depot_save_flags (lib/stackdepot.c:609 (discriminator 2) lib/stackdepot.c:676 (discriminator 2))
[  144.003545][ T4230]  ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4116 (discriminator 3) kernel/rcu/tree.c:4108 (discriminator 3))
[  144.003547][ T4230]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380)
[  144.003549][ T4230]  ? validate_chain (kernel/locking/lockdep.c:3817 (discriminator 2) kernel/locking/lockdep.c:3837 (discriminator 2) kernel/locking/lockdep.c:3892 (discriminator 2))
[  144.003551][ T4230]  ? kasan_save_stack (mm/kasan/common.c:58)
[  144.003554][ T4230]  ? kasan_save_stack (mm/kasan/common.c:57)
[  144.003555][ T4230]  ? kasan_save_track (mm/kasan/common.c:78)
[  144.003556][ T4230]  ? __kasan_kmalloc (mm/kasan/common.c:398 mm/kasan/common.c:415)
[  144.003559][ T4230]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[  144.003561][ T4230]  ? snd_ac97_proc_read_main (sound/pci/ac97/ac97_proc.c:320)
[  144.003563][ T4230]  ? ___sys_sendmsg (net/socket.c:2758)
[  144.003567][ T4230]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2))
[  144.003569][ T4230]  ? rtnl_newlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:366 net/core/rtnetlink.c:4214)
[  144.003572][ T4230]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  144.003575][ T4230]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  144.003577][ T4230]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  144.003579][ T4230]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  144.003582][ T4230]  ? trace_contention_end (./include/trace/events/lock.h:121 (discriminator 22))
[  144.003586][ 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)
[  144.003589][ T4230]  ? __mutex_lock (kernel/locking/mutex.c:656 (discriminator 1) kernel/locking/mutex.c:821 (discriminator 1))
[  144.003591][ T4230]  ? rtnl_newlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:366 net/core/rtnetlink.c:4214)
[  144.003594][ T4230]  ? ww_mutex_lock (kernel/locking/mutex.c:934)
[  144.003595][ T4230]  ? nla_get_range_signed (lib/nlattr.c:270)
[  144.003600][ T4230]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  144.003603][ T4230]  ? __rtnl_newlink (net/core/rtnetlink.c:4063)
[  144.003608][ T4230]  rtnl_newlink (net/core/rtnetlink.c:4215)
[  144.003613][ T4230]  ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558)
[  144.003615][ T4230]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[  144.003619][ T4230]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2))
[  144.003621][ T4230]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[  144.003623][ T4230]  ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558)
[  144.003625][ T4230]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554)
[  144.003629][ T4230]  ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558)
[  144.003631][ T4230]  rtnetlink_rcv_msg (net/core/rtnetlink.c:7132)
[  144.003633][ T4230]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[  144.003635][ T4230]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[  144.003639][ T4230]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2))
[  144.003641][ T4230]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[  144.003644][ T4230]  netlink_rcv_skb (net/netlink/af_netlink.c:2556)
[  144.003648][ T4230]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[  144.003650][ T4230]  ? netlink_ack (./include/linux/skbuff.h:2718)
[  144.003657][ 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))
[  144.003658][ 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))
[  144.003665][ T4230]  netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[  144.003669][ T4230]  ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[  144.003672][ T4230]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[  144.003676][ T4230]  netlink_sendmsg (net/netlink/af_netlink.c:1900)
[  144.003680][ T4230]  ? netlink_unicast (./include/net/net_namespace.h:422 (discriminator 7))
[  144.003683][ T4230]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554)
[  144.003685][ T4230]  ? __import_iovec (lib/iov_iter.c:1358 lib/iov_iter.c:1373)
[  144.003690][ T4230]  __sock_sendmsg (net/socket.c:800 (discriminator 4) net/socket.c:815 (discriminator 4))
[  144.003693][ T4230]  ____sys_sendmsg (net/socket.c:2713)
[  144.003695][ T4230]  ? copy_msghdr_from_user (net/socket.c:2650)
[  144.003697][ T4230]  ? sock_write_iter (net/socket.c:1269)
[  144.003699][ T4230]  ? move_addr_to_kernel (net/socket.c:258)
[  144.003706][ T4230]  ___sys_sendmsg (net/socket.c:2767)
[  144.003709][ T4230]  ? copy_msghdr_from_user (net/socket.c:2619)
[  144.003724][ T4230]  __sys_sendmsg (net/socket.c:2799)
[  144.003727][ T4230]  ? __sys_sendmsg_sock (net/socket.c:2780)
[  144.003733][ T4230]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  144.003736][ T4230]  do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84)
[  144.003739][ T4230]  ? exc_page_fault (arch/x86/mm/fault.c:1489 (discriminator 3) arch/x86/mm/fault.c:1536 (discriminator 3))
[  144.003742][ T4230]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[  144.003744][ T4230] RIP: 0033:0x7f52f5b5054e
[  144.003748][ 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
[  144.003749][ T4230] RSP: 002b:00007ffefcbad610 EFLAGS: 00000202 ORIG_RAX: 000000000000002e
[  144.003752][ T4230] RAX: ffffffffffffffda RBX: 0000000000000003 RCX: 00007f52f5b5054e
[  144.003754][ T4230] RDX: 0000000000000000 RSI: 00007ffefcbad6c0 RDI: 0000000000000005
[  144.003754][ T4230] RBP: 00007ffefcbad620 R08: 0000000000000000 R09: 0000000000000000
[  144.003755][ T4230] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a91a4cd
[  144.003756][ T4230] R13: 00000000004a1620 R14: 0000000000000000 R15: 00007ffefcbadd80
| [  148.321146][   T71] softirqs last disabled at (4658778): vxlan_flush (./include/linux/spinlock.h:353 drivers/net/vxlan/vxlan_core.c:3094) vxlan
| [  148.321153][   T71] Preemption disabled at:
| [  148.321154][   T71] vprintk_emit (kernel/printk/printk.c:2471)
| [  148.321166][   T71] Tainted: [W]=WARN
[  148.321167][   T71] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[  148.321170][   T71] Workqueue: netns cleanup_net
[  148.321174][   T71] Call Trace:
[  148.321176][   T71]  <TASK>
[  148.321179][   T71]  dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120)
[  148.321188][   T71]  ? vprintk_emit (kernel/printk/printk.c:2471)
[  148.321191][   T71]  __might_resched.cold (kernel/sched/core.c:9234)
[  148.321197][   T71]  ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3))
[  148.321203][   T71]  ? __kmalloc_noprof (./include/linux/sched/mm.h:317 mm/slub.c:4636 mm/slub.c:4974 mm/slub.c:5413 mm/slub.c:5439)
[  148.321210][   T71]  __kmalloc_noprof (./include/linux/sched/mm.h:322 (discriminator 2) mm/slub.c:4636 (discriminator 2) mm/slub.c:4974 (discriminator 2) mm/slub.c:5413 (discriminator 2) mm/slub.c:5439 (discriminator 2))
[  148.321214][   T71]  ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[  148.321224][   T71]  ? do_raw_spin_unlock (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:32 ./include/asm-generic/qspinlock.h:58 kernel/locking/spinlock_debug.c:101 kernel/locking/spinlock_debug.c:141)
[  148.321227][   T71]  alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[  148.321234][   T71]  put_chars (drivers/char/virtio_console.c:1176)
[  148.321238][   T71]  ? __send_to_port (drivers/char/virtio_console.c:654)
[  148.321240][   T71]  ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4116 (discriminator 3) kernel/rcu/tree.c:4108 (discriminator 3))
[  148.321245][   T71]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380)
[  148.321249][   T71]  ? validate_chain (kernel/locking/lockdep.c:3817 (discriminator 2) kernel/locking/lockdep.c:3837 (discriminator 2) kernel/locking/lockdep.c:3892 (discriminator 2))
[  148.321258][   T71]  hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2))
[  148.321263][   T71]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[  148.321273][   T71]  ? hvc_write (drivers/tty/hvc/hvc_console.c:501)
[  148.321279][   T71]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  148.321288][   T71]  console_emit_next_record (kernel/printk/printk.c:3183)
[  148.321295][   T71]  ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20)
[  148.321298][   T71]  ? 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))
[  148.321303][   T71]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  148.321307][   T71]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  148.321315][   T71]  console_flush_one_record (kernel/printk/printk.c:3268)
[  148.321322][   T71]  ? console_emit_next_record (kernel/printk/printk.c:3150)
[  148.321325][   T71]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[  148.321336][   T71]  console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420)
[  148.321340][   T71]  ? console_flush_one_record (kernel/printk/printk.c:3316)
[  148.321343][   T71]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  148.321346][   T71]  ? 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)
[  148.321353][   T71]  ? __down_trylock_console_sem (kernel/printk/printk.c:334)
[  148.321356][   T71]  ? vprintk_emit (kernel/printk/printk.c:2478)
[  148.321361][   T71]  vprintk_emit (kernel/printk/printk.c:2479)
[  148.321368][   T71]  ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126))
[  148.321370][   T71]  ? cleanup_net (net/core/net_namespace.c:706)
[  148.321373][   T71]  ? worker_thread (kernel/workqueue.c:3470 kernel/workqueue.c:3551)
[  148.321376][   T71]  ? kthread (kernel/kthread.c:436)
[  148.321379][   T71]  ? ret_from_fork (arch/x86/kernel/process.c:158)
[  148.321383][   T71]  ? ret_from_fork_asm (arch/x86/entry/entry_64.S:245)
[  148.321392][   T71]  _printk (kernel/printk/printk.c:2504)
[  148.321397][   T71]  ? snapshot_read.cold (user.c:?)
[  148.321405][   T71]  ? netdev_name (./include/linux/netdevice.h:5709 (discriminator 1))
[  148.321410][   T71]  ? __netdev_printk (net/core/dev.c:13148 (discriminator 2))
[  148.321417][   T71]  netdev_info (net/core/dev.c:13195 (discriminator 3))
[  148.321422][   T71]  ? netdev_notice (net/core/dev.c:13194)
[  148.321430][   T71]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  148.321433][   T71]  ? __up_read (kernel/locking/rwsem.c:1397 (discriminator 1))
[  148.321438][   T71]  ? down_write_nested (kernel/locking/rwsem.c:1759)
[  148.321442][   T71]  ? 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)
[  148.321446][   T71]  netif_set_allmulti.cold (net/core/dev.c:9731 (discriminator 3))
[  148.321454][   T71]  dev_set_allmulti (net/core/dev_api.c:315)
[  148.321460][   T71]  del_nbp (net/bridge/br_if.c:253 net/bridge/br_if.c:341)
[  148.321471][   T71]  br_dev_delete (net/bridge/br_if.c:387)
[  148.321477][   T71]  br_net_exit_rtnl (net/bridge/br.c:414)
[  148.321483][   T71]  ops_undo_list (net/core/net_namespace.c:181 net/core/net_namespace.c:249)
[  148.321489][   T71]  ? lockdep_hardirqs_on (kernel/locking/lockdep.c:4488)
[  148.321495][   T71]  ? netns_install (./include/linux/ns_common.h:26)
[  148.321497][   T71]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554)
[  148.321503][   T71]  ? idr_destroy (lib/radix-tree.c:310 lib/radix-tree.c:674 lib/radix-tree.c:1563)
[  148.321517][   T71]  cleanup_net (net/core/net_namespace.c:706)
[  148.321523][   T71]  ? net_passive_dec (./include/linux/llist.h:241)
[  148.321530][   T71]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  148.321533][   T71]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  148.321540][   T71]  process_one_work (kernel/workqueue.c:3387)
[  148.321552][   T71]  ? __queue_delayed_work (kernel/workqueue.c:2622)
[  148.321557][   T71]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2))
[  148.321572][   T71]  worker_thread (kernel/workqueue.c:3470 kernel/workqueue.c:3551)
[  148.321579][   T71]  ? rescuer_thread (./include/linux/list.h:419 (discriminator 3))
[  148.321583][   T71]  ? __kthread_parkme (./include/linux/instrumented.h:82 ./include/asm-generic/bitops/instrumented-non-atomic.h:141 kernel/kthread.c:272)
[  148.321587][   T71]  ? rescuer_thread (./include/linux/list.h:419 (discriminator 3))
[  148.321592][   T71]  ? rescuer_thread (./include/linux/list.h:419 (discriminator 3))
[  148.321596][   T71]  kthread (kernel/kthread.c:436)
[  148.321598][   T71]  ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22))
[  148.321603][   T71]  ? kthread_affine_preferred (kernel/kthread.c:857)
[  148.321608][   T71]  ret_from_fork (arch/x86/kernel/process.c:158)
[  148.321614][   T71]  ? arch_exit_to_user_mode_prepare.isra.0 (arch/x86/entry/vdso/vma.c:80 (discriminator 1))
[  148.321620][   T71]  ? __switch_to (arch/x86/kernel/process_64.c:403 arch/x86/kernel/process_64.c:663)
[  148.321625][   T71]  ? kthread_affine_preferred (kernel/kthread.c:857)
[  148.321630][   T71]  ret_from_fork_asm (arch/x86/entry/entry_64.S:245)
| [  152.264087][ T4433] softirqs last disabled at (44920): __alloc_skb (./include/linux/bottom_half.h:20 (discriminator 2) net/core/skbuff.c:697 (discriminator 2))
| [  152.264089][ T4433] Preemption disabled at:
| [  152.264090][ T4433] vprintk_emit (kernel/printk/printk.c:2471)
| [  152.264099][ T4433] Tainted: [W]=WARN
[  152.264100][ T4433] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[  152.264102][ T4433] Call Trace:
[  152.264103][ T4433]  <TASK>
[  152.264105][ T4433]  dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120)
[  152.264111][ T4433]  ? vprintk_emit (kernel/printk/printk.c:2471)
[  152.264113][ T4433]  __might_resched.cold (kernel/sched/core.c:9234)
[  152.264118][ T4433]  ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3))
[  152.264122][ T4433]  ? __kmalloc_noprof (./include/linux/sched/mm.h:317 mm/slub.c:4636 mm/slub.c:4974 mm/slub.c:5413 mm/slub.c:5439)
[  152.264127][ T4433]  __kmalloc_noprof (./include/linux/sched/mm.h:322 (discriminator 2) mm/slub.c:4636 (discriminator 2) mm/slub.c:4974 (discriminator 2) mm/slub.c:5413 (discriminator 2) mm/slub.c:5439 (discriminator 2))
[  152.264129][ T4433]  ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[  152.264135][ T4433]  ? do_raw_spin_unlock (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:32 ./include/asm-generic/qspinlock.h:58 kernel/locking/spinlock_debug.c:101 kernel/locking/spinlock_debug.c:141)
[  152.264138][ T4433]  alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[  152.264142][ T4433]  put_chars (drivers/char/virtio_console.c:1176)
[  152.264145][ T4433]  ? __send_to_port (drivers/char/virtio_console.c:654)
[  152.264146][ T4433]  ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4116 (discriminator 3) kernel/rcu/tree.c:4108 (discriminator 3))
[  152.264150][ T4433]  ? validate_chain (kernel/locking/lockdep.c:3817 (discriminator 2) kernel/locking/lockdep.c:3837 (discriminator 2) kernel/locking/lockdep.c:3892 (discriminator 2))
[  152.264156][ T4433]  hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2))
[  152.264164][ T4433]  ? hvc_write (drivers/tty/hvc/hvc_console.c:501)
[  152.264167][ T4433]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  152.264169][ T4433]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  152.264173][ T4433]  console_emit_next_record (kernel/printk/printk.c:3183)
[  152.264177][ T4433]  ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20)
[  152.264179][ T4433]  ? 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))
[  152.264182][ T4433]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  152.264184][ T4433]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  152.264188][ T4433]  console_flush_one_record (kernel/printk/printk.c:3268)
[  152.264193][ T4433]  ? console_emit_next_record (kernel/printk/printk.c:3150)
[  152.264195][ T4433]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[  152.264201][ T4433]  console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420)
[  152.264204][ T4433]  ? console_flush_one_record (kernel/printk/printk.c:3316)
[  152.264205][ T4433]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  152.264207][ T4433]  ? 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)
[  152.264211][ T4433]  ? __down_trylock_console_sem (kernel/printk/printk.c:334)
[  152.264213][ T4433]  ? vprintk_emit (kernel/printk/printk.c:2478)
[  152.264216][ T4433]  vprintk_emit (kernel/printk/printk.c:2479)
[  152.264219][ T4433]  ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126))
[  152.264221][ T4433]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554)
[  152.264224][ T4433]  ? mark_held_locks (kernel/locking/lockdep.c:4341)
[  152.264228][ T4433]  _printk (kernel/printk/printk.c:2504)
[  152.264232][ T4433]  ? snapshot_read.cold (user.c:?)
[  152.264236][ T4433]  ? br_multicast_flood (??:?)
[  152.264239][ T4433]  ? do_setlink.isra.0 (net/core/rtnetlink.c:3273 (discriminator 1))
[  152.264241][ T4433]  ? rtnl_newlink (net/core/rtnetlink.c:4215)
[  152.264242][ T4433]  ? rtnetlink_rcv_msg (net/core/rtnetlink.c:7132)
[  152.264246][ T4433]  br_set_state (net/bridge/br_stp.c:57 (discriminator 2))
[  152.264251][ T4433]  br_init_port (net/bridge/br_stp_if.c:39)
[  152.264253][ T4433]  new_nbp (net/bridge/br_if.c:449)
[  152.264257][ T4433]  br_add_if (net/bridge/br_if.c:592)
[  152.264260][ T4433]  ? is_bpf_text_address (./include/linux/rcupdate.h:882 kernel/bpf/core.c:751)
[  152.264263][ T4433]  ? kernel_text_address (kernel/extable.c:125 kernel/extable.c:94)
[  152.264269][ T4433]  do_set_master (net/core/rtnetlink.c:3071)
[  152.264273][ T4433]  do_setlink.isra.0 (net/core/rtnetlink.c:3273 (discriminator 1))
[  152.264277][ T4433]  ? stack_trace_save (kernel/stacktrace.c:122 (discriminator 1))
[  152.264280][ T4433]  ? rtnl_link_get_size (net/core/rtnetlink.c:747)
[  152.264282][ T4433]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:388 kernel/rcu/update.c:380)
[  152.264285][ T4433]  ? stack_depot_save_flags (lib/stackdepot.c:609 (discriminator 2) lib/stackdepot.c:676 (discriminator 2))
[  152.264288][ T4433]  ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4116 (discriminator 3) kernel/rcu/tree.c:4108 (discriminator 3))
[  152.264290][ T4433]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380)
[  152.264292][ T4433]  ? validate_chain (kernel/locking/lockdep.c:3817 (discriminator 2) kernel/locking/lockdep.c:3837 (discriminator 2) kernel/locking/lockdep.c:3892 (discriminator 2))
[  152.264295][ T4433]  ? kasan_save_stack (mm/kasan/common.c:58)
[  152.264297][ T4433]  ? kasan_save_stack (mm/kasan/common.c:57)
[  152.264299][ T4433]  ? kasan_save_track (mm/kasan/common.c:78)
[  152.264300][ T4433]  ? __kasan_kmalloc (mm/kasan/common.c:398 mm/kasan/common.c:415)
[  152.264302][ T4433]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[  152.264304][ T4433]  ? snd_ac97_proc_read_main (sound/pci/ac97/ac97_proc.c:320)
[  152.264307][ T4433]  ? ___sys_sendmsg (net/socket.c:2758)
[  152.264311][ T4433]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2))
[  152.264313][ T4433]  ? rtnl_newlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:366 net/core/rtnetlink.c:4214)
[  152.264316][ T4433]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  152.264318][ T4433]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  152.264319][ T4433]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  152.264320][ T4433]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  152.264322][ T4433]  ? trace_contention_end (./include/trace/events/lock.h:121 (discriminator 22))
[  152.264325][ T4433]  ? __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)
[  152.264327][ T4433]  ? __mutex_lock (kernel/locking/mutex.c:656 (discriminator 1) kernel/locking/mutex.c:821 (discriminator 1))
[  152.264329][ T4433]  ? rtnl_newlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:366 net/core/rtnetlink.c:4214)
[  152.264333][ T4433]  ? ww_mutex_lock (kernel/locking/mutex.c:934)
[  152.264334][ T4433]  ? nla_get_range_signed (lib/nlattr.c:270)
[  152.264339][ T4433]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  152.264341][ T4433]  ? __rtnl_newlink (net/core/rtnetlink.c:4063)
[  152.264347][ T4433]  rtnl_newlink (net/core/rtnetlink.c:4215)
[  152.264353][ T4433]  ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558)
[  152.264355][ T4433]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[  152.264360][ T4433]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2))
[  152.264362][ T4433]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[  152.264364][ T4433]  ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558)
[  152.264366][ T4433]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554)
[  152.264370][ T4433]  ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558)
[  152.264372][ T4433]  rtnetlink_rcv_msg (net/core/rtnetlink.c:7132)
[  152.264375][ T4433]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[  152.264376][ T4433]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[  152.264381][ T4433]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2))
[  152.264383][ T4433]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[  152.264387][ T4433]  netlink_rcv_skb (net/netlink/af_netlink.c:2556)
[  152.264390][ T4433]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[  152.264393][ T4433]  ? netlink_ack (./include/linux/skbuff.h:2718)
[  152.264400][ T4433]  ? 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))
[  152.264402][ T4433]  ? 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))
[  152.264407][ T4433]  netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[  152.264411][ T4433]  ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[  152.264414][ T4433]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[  152.264418][ T4433]  netlink_sendmsg (net/netlink/af_netlink.c:1900)
[  152.264422][ T4433]  ? netlink_unicast (./include/net/net_namespace.h:422 (discriminator 7))
[  152.264426][ T4433]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554)
[  152.264428][ T4433]  ? __import_iovec (lib/iov_iter.c:1358 lib/iov_iter.c:1373)
[  152.264434][ T4433]  __sock_sendmsg (net/socket.c:800 (discriminator 4) net/socket.c:815 (discriminator 4))
[  152.264437][ T4433]  ____sys_sendmsg (net/socket.c:2713)
[  152.264439][ T4433]  ? copy_msghdr_from_user (net/socket.c:2650)
[  152.264442][ T4433]  ? sock_write_iter (net/socket.c:1269)
[  152.264443][ T4433]  ? move_addr_to_kernel (net/socket.c:258)
[  152.264451][ T4433]  ___sys_sendmsg (net/socket.c:2767)
[  152.264454][ T4433]  ? copy_msghdr_from_user (net/socket.c:2619)
[  152.264471][ T4433]  __sys_sendmsg (net/socket.c:2799)
[  152.264474][ T4433]  ? __sys_sendmsg_sock (net/socket.c:2780)
[  152.264481][ T4433]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  152.264484][ T4433]  do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84)
[  152.264487][ T4433]  ? exc_page_fault (arch/x86/mm/fault.c:1489 (discriminator 3) arch/x86/mm/fault.c:1536 (discriminator 3))
[  152.264490][ T4433]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[  152.264493][ T4433] RIP: 0033:0x7f788cfc754e
[  152.264497][ T4433] 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
[  152.264499][ T4433] RSP: 002b:00007ffe476bea20 EFLAGS: 00000202 ORIG_RAX: 000000000000002e
[  152.264501][ T4433] RAX: ffffffffffffffda RBX: 0000000000000003 RCX: 00007f788cfc754e
[  152.264503][ T4433] RDX: 0000000000000000 RSI: 00007ffe476bead0 RDI: 0000000000000005
[  152.264504][ T4433] RBP: 00007ffe476bea30 R08: 0000000000000000 R09: 0000000000000000
[  152.264505][ T4433] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a91a4d5
[  152.264505][ T4433] R13: 00000000004a1620 R14: 0000000000000000 R15: 00007ffe476bf190
| [  156.632591][   T71] softirqs last disabled at (4869812): vxlan_flush (./include/linux/spinlock.h:353 drivers/net/vxlan/vxlan_core.c:3094) vxlan
| [  156.632599][   T71] Preemption disabled at:
| [  156.632600][   T71] vprintk_emit (kernel/printk/printk.c:2471)
| [  156.632612][   T71] Tainted: [W]=WARN
[  156.632614][   T71] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[  156.632616][   T71] Workqueue: netns cleanup_net
[  156.632621][   T71] Call Trace:
[  156.632623][   T71]  <TASK>
[  156.632625][   T71]  dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120)
[  156.632632][   T71]  ? vprintk_emit (kernel/printk/printk.c:2471)
[  156.632634][   T71]  __might_resched.cold (kernel/sched/core.c:9234)
[  156.632639][   T71]  ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3))
[  156.632643][   T71]  ? __kmalloc_noprof (./include/linux/sched/mm.h:317 mm/slub.c:4636 mm/slub.c:4974 mm/slub.c:5413 mm/slub.c:5439)
[  156.632647][   T71]  __kmalloc_noprof (./include/linux/sched/mm.h:322 (discriminator 2) mm/slub.c:4636 (discriminator 2) mm/slub.c:4974 (discriminator 2) mm/slub.c:5413 (discriminator 2) mm/slub.c:5439 (discriminator 2))
[  156.632650][   T71]  ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[  156.632657][   T71]  ? do_raw_spin_unlock (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:32 ./include/asm-generic/qspinlock.h:58 kernel/locking/spinlock_debug.c:101 kernel/locking/spinlock_debug.c:141)
[  156.632664][   T71]  alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[  156.632668][   T71]  put_chars (drivers/char/virtio_console.c:1176)
[  156.632671][   T71]  ? __send_to_port (drivers/char/virtio_console.c:654)
[  156.632672][   T71]  ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4116 (discriminator 3) kernel/rcu/tree.c:4108 (discriminator 3))
[  156.632676][   T71]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380)
[  156.632680][   T71]  ? validate_chain (kernel/locking/lockdep.c:3817 (discriminator 2) kernel/locking/lockdep.c:3837 (discriminator 2) kernel/locking/lockdep.c:3892 (discriminator 2))
[  156.632685][   T71]  hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2))
[  156.632689][   T71]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[  156.632695][   T71]  ? hvc_write (drivers/tty/hvc/hvc_console.c:501)
[  156.632698][   T71]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  156.632703][   T71]  console_emit_next_record (kernel/printk/printk.c:3183)
[  156.632707][   T71]  ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20)
[  156.632709][   T71]  ? 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))
[  156.632713][   T71]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  156.632714][   T71]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  156.632719][   T71]  console_flush_one_record (kernel/printk/printk.c:3268)
[  156.632723][   T71]  ? console_emit_next_record (kernel/printk/printk.c:3150)
[  156.632725][   T71]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[  156.632731][   T71]  console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420)
[  156.632734][   T71]  ? console_flush_one_record (kernel/printk/printk.c:3316)
[  156.632736][   T71]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  156.632738][   T71]  ? 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)
[  156.632742][   T71]  ? __down_trylock_console_sem (kernel/printk/printk.c:334)
[  156.632744][   T71]  ? vprintk_emit (kernel/printk/printk.c:2478)
[  156.632747][   T71]  vprintk_emit (kernel/printk/printk.c:2479)
[  156.632750][   T71]  ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126))
[  156.632751][   T71]  ? cleanup_net (net/core/net_namespace.c:706)
[  156.632753][   T71]  ? worker_thread (kernel/workqueue.c:3470 kernel/workqueue.c:3551)
[  156.632755][   T71]  ? kthread (kernel/kthread.c:436)
[  156.632758][   T71]  ? ret_from_fork (arch/x86/kernel/process.c:158)
[  156.632761][   T71]  ? ret_from_fork_asm (arch/x86/entry/entry_64.S:245)
[  156.632766][   T71]  _printk (kernel/printk/printk.c:2504)
[  156.632770][   T71]  ? snapshot_read.cold (user.c:?)
[  156.632774][   T71]  ? netdev_name (./include/linux/netdevice.h:5709 (discriminator 1))
[  156.632778][   T71]  ? __netdev_printk (net/core/dev.c:13148 (discriminator 2))
[  156.632782][   T71]  netdev_info (net/core/dev.c:13195 (discriminator 3))
[  156.632785][   T71]  ? netdev_notice (net/core/dev.c:13194)
[  156.632790][   T71]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  156.632792][   T71]  ? __up_read (kernel/locking/rwsem.c:1397 (discriminator 1))
[  156.632795][   T71]  ? down_write_nested (kernel/locking/rwsem.c:1759)
[  156.632797][   T71]  ? 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)
[  156.632800][   T71]  netif_set_allmulti.cold (net/core/dev.c:9731 (discriminator 3))
[  156.632804][   T71]  dev_set_allmulti (net/core/dev_api.c:315)
[  156.632808][   T71]  del_nbp (net/bridge/br_if.c:253 net/bridge/br_if.c:341)
[  156.632814][   T71]  br_dev_delete (net/bridge/br_if.c:387)
[  156.632818][   T71]  br_net_exit_rtnl (net/bridge/br.c:414)
[  156.632822][   T71]  ops_undo_list (net/core/net_namespace.c:181 net/core/net_namespace.c:249)
[  156.632826][   T71]  ? lockdep_hardirqs_on (kernel/locking/lockdep.c:4488)
[  156.632830][   T71]  ? netns_install (./include/linux/ns_common.h:26)
[  156.632831][   T71]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554)
[  156.632835][   T71]  ? idr_destroy (lib/radix-tree.c:310 lib/radix-tree.c:674 lib/radix-tree.c:1563)
[  156.632840][   T71]  cleanup_net (net/core/net_namespace.c:706)
[  156.632843][   T71]  ? net_passive_dec (./include/linux/llist.h:241)
[  156.632847][   T71]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  156.632849][   T71]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  156.632852][   T71]  process_one_work (kernel/workqueue.c:3387)
[  156.632859][   T71]  ? __queue_delayed_work (kernel/workqueue.c:2622)
[  156.632863][   T71]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2))
[  156.632871][   T71]  worker_thread (kernel/workqueue.c:3470 kernel/workqueue.c:3551)
[  156.632875][   T71]  ? rescuer_thread (./include/linux/list.h:419 (discriminator 3))
[  156.632878][   T71]  ? __kthread_parkme (./include/linux/instrumented.h:82 ./include/asm-generic/bitops/instrumented-non-atomic.h:141 kernel/kthread.c:272)
[  156.632880][   T71]  ? rescuer_thread (./include/linux/list.h:419 (discriminator 3))
[  156.632883][   T71]  ? rescuer_thread (./include/linux/list.h:419 (discriminator 3))
[  156.632885][   T71]  kthread (kernel/kthread.c:436)
[  156.632887][   T71]  ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22))
[  156.632891][   T71]  ? kthread_affine_preferred (kernel/kthread.c:857)
[  156.632894][   T71]  ret_from_fork (arch/x86/kernel/process.c:158)
[  156.632897][   T71]  ? arch_exit_to_user_mode_prepare.isra.0 (arch/x86/entry/vdso/vma.c:80 (discriminator 1))
[  156.632900][   T71]  ? __switch_to (arch/x86/kernel/process_64.c:403 arch/x86/kernel/process_64.c:663)
[  156.632904][   T71]  ? kthread_affine_preferred (kernel/kthread.c:857)
[  156.632907][   T71]  ret_from_fork_asm (arch/x86/entry/entry_64.S:245)
| [  160.729815][ T4647] softirqs last disabled at (35620): __alloc_skb (./include/linux/bottom_half.h:20 (discriminator 2) net/core/skbuff.c:697 (discriminator 2))
| [  160.729817][ T4647] Preemption disabled at:
| [  160.729818][ T4647] vprintk_emit (kernel/printk/printk.c:2471)
| [  160.729827][ T4647] Tainted: [W]=WARN
[  160.729827][ T4647] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[  160.729829][ T4647] Call Trace:
[  160.729831][ T4647]  <TASK>
[  160.729832][ T4647]  dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120)
[  160.729839][ T4647]  ? vprintk_emit (kernel/printk/printk.c:2471)
[  160.729840][ T4647]  __might_resched.cold (kernel/sched/core.c:9234)
[  160.729845][ T4647]  ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3))
[  160.729849][ T4647]  ? __kmalloc_noprof (./include/linux/sched/mm.h:317 mm/slub.c:4636 mm/slub.c:4974 mm/slub.c:5413 mm/slub.c:5439)
[  160.729853][ T4647]  __kmalloc_noprof (./include/linux/sched/mm.h:322 (discriminator 2) mm/slub.c:4636 (discriminator 2) mm/slub.c:4974 (discriminator 2) mm/slub.c:5413 (discriminator 2) mm/slub.c:5439 (discriminator 2))
[  160.729855][ T4647]  ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[  160.729862][ T4647]  ? do_raw_spin_unlock (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:32 ./include/asm-generic/qspinlock.h:58 kernel/locking/spinlock_debug.c:101 kernel/locking/spinlock_debug.c:141)
[  160.729865][ T4647]  alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[  160.729868][ T4647]  put_chars (drivers/char/virtio_console.c:1176)
[  160.729871][ T4647]  ? __send_to_port (drivers/char/virtio_console.c:654)
[  160.729872][ T4647]  ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4116 (discriminator 3) kernel/rcu/tree.c:4108 (discriminator 3))
[  160.729876][ T4647]  ? validate_chain (kernel/locking/lockdep.c:3817 (discriminator 2) kernel/locking/lockdep.c:3837 (discriminator 2) kernel/locking/lockdep.c:3892 (discriminator 2))
[  160.729881][ T4647]  hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2))
[  160.729889][ T4647]  ? hvc_write (drivers/tty/hvc/hvc_console.c:501)
[  160.729892][ T4647]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  160.729894][ T4647]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  160.729898][ T4647]  console_emit_next_record (kernel/printk/printk.c:3183)
[  160.729902][ T4647]  ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20)
[  160.729904][ T4647]  ? 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))
[  160.729908][ T4647]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  160.729909][ T4647]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  160.729913][ T4647]  console_flush_one_record (kernel/printk/printk.c:3268)
[  160.729918][ T4647]  ? console_emit_next_record (kernel/printk/printk.c:3150)
[  160.729919][ T4647]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[  160.729925][ T4647]  console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420)
[  160.729928][ T4647]  ? console_flush_one_record (kernel/printk/printk.c:3316)
[  160.729929][ T4647]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  160.729931][ T4647]  ? 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)
[  160.729935][ T4647]  ? __down_trylock_console_sem (kernel/printk/printk.c:334)
[  160.729937][ T4647]  ? vprintk_emit (kernel/printk/printk.c:2478)
[  160.729939][ T4647]  vprintk_emit (kernel/printk/printk.c:2479)
[  160.729943][ T4647]  ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126))
[  160.729945][ T4647]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554)
[  160.729947][ T4647]  ? mark_held_locks (kernel/locking/lockdep.c:4341)
[  160.729951][ T4647]  _printk (kernel/printk/printk.c:2504)
[  160.729955][ T4647]  ? snapshot_read.cold (user.c:?)
[  160.729958][ T4647]  ? br_multicast_flood (??:?)
[  160.729962][ T4647]  ? do_setlink.isra.0 (net/core/rtnetlink.c:3273 (discriminator 1))
[  160.729963][ T4647]  ? rtnl_newlink (net/core/rtnetlink.c:4215)
[  160.729964][ T4647]  ? rtnetlink_rcv_msg (net/core/rtnetlink.c:7132)
[  160.729969][ T4647]  br_set_state (net/bridge/br_stp.c:57 (discriminator 2))
[  160.729973][ T4647]  br_init_port (net/bridge/br_stp_if.c:39)
[  160.729975][ T4647]  new_nbp (net/bridge/br_if.c:449)
[  160.729979][ T4647]  br_add_if (net/bridge/br_if.c:592)
[  160.729982][ T4647]  ? is_bpf_text_address (./include/linux/rcupdate.h:882 kernel/bpf/core.c:751)
[  160.729986][ T4647]  ? kernel_text_address (kernel/extable.c:125 kernel/extable.c:94)
[  160.729991][ T4647]  do_set_master (net/core/rtnetlink.c:3071)
[  160.729995][ T4647]  do_setlink.isra.0 (net/core/rtnetlink.c:3273 (discriminator 1))
[  160.729998][ T4647]  ? stack_trace_save (kernel/stacktrace.c:122 (discriminator 1))
[  160.730002][ T4647]  ? rtnl_link_get_size (net/core/rtnetlink.c:747)
[  160.730003][ T4647]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:388 kernel/rcu/update.c:380)
[  160.730006][ T4647]  ? stack_depot_save_flags (lib/stackdepot.c:609 (discriminator 2) lib/stackdepot.c:676 (discriminator 2))
[  160.730009][ T4647]  ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4116 (discriminator 3) kernel/rcu/tree.c:4108 (discriminator 3))
[  160.730011][ T4647]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380)
[  160.730013][ T4647]  ? validate_chain (kernel/locking/lockdep.c:3817 (discriminator 2) kernel/locking/lockdep.c:3837 (discriminator 2) kernel/locking/lockdep.c:3892 (discriminator 2))
[  160.730015][ T4647]  ? kasan_save_stack (mm/kasan/common.c:58)
[  160.730018][ T4647]  ? kasan_save_stack (mm/kasan/common.c:57)
[  160.730019][ T4647]  ? kasan_save_track (mm/kasan/common.c:78)
[  160.730021][ T4647]  ? __kasan_kmalloc (mm/kasan/common.c:398 mm/kasan/common.c:415)
[  160.730023][ T4647]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[  160.730025][ T4647]  ? snd_ac97_proc_read_main (sound/pci/ac97/ac97_proc.c:320)
[  160.730028][ T4647]  ? ___sys_sendmsg (net/socket.c:2758)
[  160.730031][ T4647]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2))
[  160.730033][ T4647]  ? rtnl_newlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:366 net/core/rtnetlink.c:4214)
[  160.730036][ T4647]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  160.730038][ T4647]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  160.730039][ T4647]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  160.730040][ T4647]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  160.730042][ T4647]  ? trace_contention_end (./include/trace/events/lock.h:121 (discriminator 22))
[  160.730044][ T4647]  ? __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)
[  160.730047][ T4647]  ? __mutex_lock (kernel/locking/mutex.c:656 (discriminator 1) kernel/locking/mutex.c:821 (discriminator 1))
[  160.730049][ T4647]  ? rtnl_newlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:366 net/core/rtnetlink.c:4214)
[  160.730052][ T4647]  ? ww_mutex_lock (kernel/locking/mutex.c:934)
[  160.730053][ T4647]  ? nla_get_range_signed (lib/nlattr.c:270)
[  160.730058][ T4647]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  160.730060][ T4647]  ? __rtnl_newlink (net/core/rtnetlink.c:4063)
[  160.730066][ T4647]  rtnl_newlink (net/core/rtnetlink.c:4215)
[  160.730071][ T4647]  ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558)
[  160.730073][ T4647]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[  160.730077][ T4647]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2))
[  160.730079][ T4647]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[  160.730082][ T4647]  ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558)
[  160.730083][ T4647]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554)
[  160.730087][ T4647]  ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558)
[  160.730089][ T4647]  rtnetlink_rcv_msg (net/core/rtnetlink.c:7132)
[  160.730092][ T4647]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[  160.730094][ T4647]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[  160.730098][ T4647]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2))
[  160.730100][ T4647]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[  160.730103][ T4647]  netlink_rcv_skb (net/netlink/af_netlink.c:2556)
[  160.730107][ T4647]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[  160.730110][ T4647]  ? netlink_ack (./include/linux/skbuff.h:2718)
[  160.730116][ T4647]  ? 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))
[  160.730118][ T4647]  ? 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))
[  160.730123][ T4647]  netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[  160.730127][ T4647]  ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[  160.730129][ T4647]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[  160.730133][ T4647]  netlink_sendmsg (net/netlink/af_netlink.c:1900)
[  160.730137][ T4647]  ? netlink_unicast (./include/net/net_namespace.h:422 (discriminator 7))
[  160.730141][ T4647]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554)
[  160.730143][ T4647]  ? __import_iovec (lib/iov_iter.c:1358 lib/iov_iter.c:1373)
[  160.730148][ T4647]  __sock_sendmsg (net/socket.c:800 (discriminator 4) net/socket.c:815 (discriminator 4))
[  160.730151][ T4647]  ____sys_sendmsg (net/socket.c:2713)
[  160.730154][ T4647]  ? copy_msghdr_from_user (net/socket.c:2650)
[  160.730156][ T4647]  ? sock_write_iter (net/socket.c:1269)
[  160.730157][ T4647]  ? move_addr_to_kernel (net/socket.c:258)
[  160.730165][ T4647]  ___sys_sendmsg (net/socket.c:2767)
[  160.730168][ T4647]  ? copy_msghdr_from_user (net/socket.c:2619)
[  160.730184][ T4647]  __sys_sendmsg (net/socket.c:2799)
[  160.730187][ T4647]  ? __sys_sendmsg_sock (net/socket.c:2780)
[  160.730193][ T4647]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  160.730196][ T4647]  do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84)
[  160.730199][ T4647]  ? exc_page_fault (arch/x86/mm/fault.c:1489 (discriminator 3) arch/x86/mm/fault.c:1536 (discriminator 3))
[  160.730202][ T4647]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[  160.730204][ T4647] RIP: 0033:0x7fcdf400054e
[  160.730209][ T4647] 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
[  160.730210][ T4647] RSP: 002b:00007ffc672e38c0 EFLAGS: 00000202 ORIG_RAX: 000000000000002e
[  160.730213][ T4647] RAX: ffffffffffffffda RBX: 0000000000000003 RCX: 00007fcdf400054e
[  160.730214][ T4647] RDX: 0000000000000000 RSI: 00007ffc672e3970 RDI: 0000000000000005
[  160.730215][ T4647] RBP: 00007ffc672e38d0 R08: 0000000000000000 R09: 0000000000000000
[  160.730216][ T4647] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a91a4de
[  160.730217][ T4647] R13: 00000000004a1620 R14: 0000000000000000 R15: 00007ffc672e4030
| [  165.013137][   T71] softirqs last disabled at (5094965): do_softirq (kernel/softirq.c:546 (discriminator 19) kernel/softirq.c:533 (discriminator 19))
| [  165.013139][   T71] Preemption disabled at:
| [  165.013140][   T71] vprintk_emit (kernel/printk/printk.c:2471)
| [  165.013148][   T71] Tainted: [W]=WARN
[  165.013149][   T71] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[  165.013151][   T71] Workqueue: netns cleanup_net
[  165.013154][   T71] Call Trace:
[  165.013156][   T71]  <TASK>
[  165.013158][   T71]  dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120)
[  165.013164][   T71]  ? vprintk_emit (kernel/printk/printk.c:2471)
[  165.013166][   T71]  __might_resched.cold (kernel/sched/core.c:9234)
[  165.013170][   T71]  ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3))
[  165.013174][   T71]  ? __kmalloc_noprof (./include/linux/sched/mm.h:317 mm/slub.c:4636 mm/slub.c:4974 mm/slub.c:5413 mm/slub.c:5439)
[  165.013179][   T71]  __kmalloc_noprof (./include/linux/sched/mm.h:322 (discriminator 2) mm/slub.c:4636 (discriminator 2) mm/slub.c:4974 (discriminator 2) mm/slub.c:5413 (discriminator 2) mm/slub.c:5439 (discriminator 2))
[  165.013181][   T71]  ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[  165.013188][   T71]  ? do_raw_spin_unlock (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:32 ./include/asm-generic/qspinlock.h:58 kernel/locking/spinlock_debug.c:101 kernel/locking/spinlock_debug.c:141)
[  165.013191][   T71]  alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[  165.013195][   T71]  put_chars (drivers/char/virtio_console.c:1176)
[  165.013197][   T71]  ? __send_to_port (drivers/char/virtio_console.c:654)
[  165.013199][   T71]  ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4116 (discriminator 3) kernel/rcu/tree.c:4108 (discriminator 3))
[  165.013203][   T71]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380)
[  165.013206][   T71]  ? validate_chain (kernel/locking/lockdep.c:3817 (discriminator 2) kernel/locking/lockdep.c:3837 (discriminator 2) kernel/locking/lockdep.c:3892 (discriminator 2))
[  165.013211][   T71]  hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2))
[  165.013215][   T71]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[  165.013220][   T71]  ? hvc_write (drivers/tty/hvc/hvc_console.c:501)
[  165.013224][   T71]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  165.013229][   T71]  console_emit_next_record (kernel/printk/printk.c:3183)
[  165.013233][   T71]  ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20)
[  165.013235][   T71]  ? 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))
[  165.013239][   T71]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  165.013240][   T71]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  165.013245][   T71]  console_flush_one_record (kernel/printk/printk.c:3268)
[  165.013249][   T71]  ? console_emit_next_record (kernel/printk/printk.c:3150)
[  165.013251][   T71]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[  165.013257][   T71]  console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420)
[  165.013260][   T71]  ? console_flush_one_record (kernel/printk/printk.c:3316)
[  165.013262][   T71]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  165.013263][   T71]  ? 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)
[  165.013267][   T71]  ? __down_trylock_console_sem (kernel/printk/printk.c:334)
[  165.013269][   T71]  ? vprintk_emit (kernel/printk/printk.c:2478)
[  165.013272][   T71]  vprintk_emit (kernel/printk/printk.c:2479)
[  165.013276][   T71]  ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126))
[  165.013277][   T71]  ? cleanup_net (net/core/net_namespace.c:706)
[  165.013279][   T71]  ? worker_thread (kernel/workqueue.c:3470 kernel/workqueue.c:3551)
[  165.013281][   T71]  ? kthread (kernel/kthread.c:436)
[  165.013283][   T71]  ? ret_from_fork (arch/x86/kernel/process.c:158)
[  165.013286][   T71]  ? ret_from_fork_asm (arch/x86/entry/entry_64.S:245)
[  165.013291][   T71]  _printk (kernel/printk/printk.c:2504)
[  165.013295][   T71]  ? snapshot_read.cold (user.c:?)
[  165.013300][   T71]  ? netdev_name (./include/linux/netdevice.h:5709 (discriminator 1))
[  165.013304][   T71]  ? __netdev_printk (net/core/dev.c:13148 (discriminator 2))
[  165.013308][   T71]  netdev_info (net/core/dev.c:13195 (discriminator 3))
[  165.013311][   T71]  ? netdev_notice (net/core/dev.c:13194)
[  165.013315][   T71]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  165.013317][   T71]  ? __up_read (kernel/locking/rwsem.c:1397 (discriminator 1))
[  165.013320][   T71]  ? down_write_nested (kernel/locking/rwsem.c:1759)
[  165.013322][   T71]  ? 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)
[  165.013325][   T71]  netif_set_allmulti.cold (net/core/dev.c:9731 (discriminator 3))
[  165.013329][   T71]  dev_set_allmulti (net/core/dev_api.c:315)
[  165.013333][   T71]  del_nbp (net/bridge/br_if.c:253 net/bridge/br_if.c:341)
[  165.013340][   T71]  br_dev_delete (net/bridge/br_if.c:387)
[  165.013343][   T71]  br_net_exit_rtnl (net/bridge/br.c:414)
[  165.013347][   T71]  ops_undo_list (net/core/net_namespace.c:181 net/core/net_namespace.c:249)
[  165.013351][   T71]  ? lockdep_hardirqs_on (kernel/locking/lockdep.c:4488)
[  165.013355][   T71]  ? netns_install (./include/linux/ns_common.h:26)
[  165.013356][   T71]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554)
[  165.013360][   T71]  ? idr_destroy (lib/radix-tree.c:310 lib/radix-tree.c:674 lib/radix-tree.c:1563)
[  165.013365][   T71]  cleanup_net (net/core/net_namespace.c:706)
[  165.013368][   T71]  ? net_passive_dec (./include/linux/llist.h:241)
[  165.013372][   T71]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  165.013374][   T71]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  165.013377][   T71]  process_one_work (kernel/workqueue.c:3387)
[  165.013384][   T71]  ? __queue_delayed_work (kernel/workqueue.c:2622)
[  165.013388][   T71]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2))
[  165.013396][   T71]  worker_thread (kernel/workqueue.c:3470 kernel/workqueue.c:3551)
[  165.013400][   T71]  ? rescuer_thread (./include/linux/list.h:419 (discriminator 3))
[  165.013402][   T71]  ? __kthread_parkme (./include/linux/instrumented.h:82 ./include/asm-generic/bitops/instrumented-non-atomic.h:141 kernel/kthread.c:272)
[  165.013405][   T71]  ? rescuer_thread (./include/linux/list.h:419 (discriminator 3))
[  165.013408][   T71]  ? rescuer_thread (./include/linux/list.h:419 (discriminator 3))
[  165.013410][   T71]  kthread (kernel/kthread.c:436)
[  165.013412][   T71]  ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22))
[  165.013416][   T71]  ? kthread_affine_preferred (kernel/kthread.c:857)
[  165.013419][   T71]  ret_from_fork (arch/x86/kernel/process.c:158)
[  165.013421][   T71]  ? arch_exit_to_user_mode_prepare.isra.0 (arch/x86/entry/vdso/vma.c:80 (discriminator 1))
[  165.013425][   T71]  ? __switch_to (arch/x86/kernel/process_64.c:403 arch/x86/kernel/process_64.c:663)
[  165.013428][   T71]  ? kthread_affine_preferred (kernel/kthread.c:857)
[  165.013431][   T71]  ret_from_fork_asm (arch/x86/entry/entry_64.S:245)
| [  168.938189][ T4849] softirqs last disabled at (37772): __alloc_skb (./include/linux/bottom_half.h:20 (discriminator 2) net/core/skbuff.c:697 (discriminator 2))
| [  168.938192][ T4849] Preemption disabled at:
| [  168.938192][ T4849] vprintk_emit (kernel/printk/printk.c:2471)
| [  168.938201][ T4849] Tainted: [W]=WARN
[  168.938202][ T4849] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[  168.938204][ T4849] Call Trace:
[  168.938205][ T4849]  <TASK>
[  168.938207][ T4849]  dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120)
[  168.938213][ T4849]  ? vprintk_emit (kernel/printk/printk.c:2471)
[  168.938215][ T4849]  __might_resched.cold (kernel/sched/core.c:9234)
[  168.938219][ T4849]  ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3))
[  168.938223][ T4849]  ? __kmalloc_noprof (./include/linux/sched/mm.h:317 mm/slub.c:4636 mm/slub.c:4974 mm/slub.c:5413 mm/slub.c:5439)
[  168.938228][ T4849]  __kmalloc_noprof (./include/linux/sched/mm.h:322 (discriminator 2) mm/slub.c:4636 (discriminator 2) mm/slub.c:4974 (discriminator 2) mm/slub.c:5413 (discriminator 2) mm/slub.c:5439 (discriminator 2))
[  168.938230][ T4849]  ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[  168.938237][ T4849]  ? do_raw_spin_unlock (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:32 ./include/asm-generic/qspinlock.h:58 kernel/locking/spinlock_debug.c:101 kernel/locking/spinlock_debug.c:141)
[  168.938240][ T4849]  alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[  168.938243][ T4849]  put_chars (drivers/char/virtio_console.c:1176)
[  168.938246][ T4849]  ? __send_to_port (drivers/char/virtio_console.c:654)
[  168.938247][ T4849]  ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4116 (discriminator 3) kernel/rcu/tree.c:4108 (discriminator 3))
[  168.938251][ T4849]  ? validate_chain (kernel/locking/lockdep.c:3817 (discriminator 2) kernel/locking/lockdep.c:3837 (discriminator 2) kernel/locking/lockdep.c:3892 (discriminator 2))
[  168.938256][ T4849]  hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2))
[  168.938264][ T4849]  ? hvc_write (drivers/tty/hvc/hvc_console.c:501)
[  168.938267][ T4849]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  168.938269][ T4849]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  168.938273][ T4849]  console_emit_next_record (kernel/printk/printk.c:3183)
[  168.938277][ T4849]  ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20)
[  168.938279][ T4849]  ? 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))
[  168.938282][ T4849]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  168.938284][ T4849]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  168.938288][ T4849]  console_flush_one_record (kernel/printk/printk.c:3268)
[  168.938293][ T4849]  ? console_emit_next_record (kernel/printk/printk.c:3150)
[  168.938295][ T4849]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[  168.938300][ T4849]  console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420)
[  168.938303][ T4849]  ? console_flush_one_record (kernel/printk/printk.c:3316)
[  168.938305][ T4849]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  168.938306][ T4849]  ? 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)
[  168.938310][ T4849]  ? __down_trylock_console_sem (kernel/printk/printk.c:334)
[  168.938312][ T4849]  ? vprintk_emit (kernel/printk/printk.c:2478)
[  168.938316][ T4849]  vprintk_emit (kernel/printk/printk.c:2479)
[  168.938321][ T4849]  ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126))
[  168.938324][ T4849]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554)
[  168.938328][ T4849]  ? mark_held_locks (kernel/locking/lockdep.c:4341)
[  168.938339][ T4849]  _printk (kernel/printk/printk.c:2504)
[  168.938350][ T4849]  ? snapshot_read.cold (user.c:?)
[  168.938356][ T4849]  ? br_multicast_flood (??:?)
[  168.938364][ T4849]  ? do_setlink.isra.0 (net/core/rtnetlink.c:3273 (discriminator 1))
[  168.938367][ T4849]  ? rtnl_newlink (net/core/rtnetlink.c:4215)
[  168.938369][ T4849]  ? rtnetlink_rcv_msg (net/core/rtnetlink.c:7132)
[  168.938378][ T4849]  br_set_state (net/bridge/br_stp.c:57 (discriminator 2))
[  168.938386][ T4849]  br_init_port (net/bridge/br_stp_if.c:39)
[  168.938390][ T4849]  new_nbp (net/bridge/br_if.c:449)
[  168.938396][ T4849]  br_add_if (net/bridge/br_if.c:592)
[  168.938400][ T4849]  ? is_bpf_text_address (./include/linux/rcupdate.h:882 kernel/bpf/core.c:751)
[  168.938405][ T4849]  ? kernel_text_address (kernel/extable.c:125 kernel/extable.c:94)
[  168.938413][ T4849]  do_set_master (net/core/rtnetlink.c:3071)
[  168.938418][ T4849]  do_setlink.isra.0 (net/core/rtnetlink.c:3273 (discriminator 1))
[  168.938421][ T4849]  ? stack_trace_save (kernel/stacktrace.c:122 (discriminator 1))
[  168.938425][ T4849]  ? rtnl_link_get_size (net/core/rtnetlink.c:747)
[  168.938426][ T4849]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:388 kernel/rcu/update.c:380)
[  168.938430][ T4849]  ? stack_depot_save_flags (lib/stackdepot.c:609 (discriminator 2) lib/stackdepot.c:676 (discriminator 2))
[  168.938435][ T4849]  ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4116 (discriminator 3) kernel/rcu/tree.c:4108 (discriminator 3))
[  168.938438][ T4849]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380)
[  168.938440][ T4849]  ? validate_chain (kernel/locking/lockdep.c:3817 (discriminator 2) kernel/locking/lockdep.c:3837 (discriminator 2) kernel/locking/lockdep.c:3892 (discriminator 2))
[  168.938447][ T4849]  ? kasan_save_stack (mm/kasan/common.c:58)
[  168.938453][ T4849]  ? kasan_save_stack (mm/kasan/common.c:57)
[  168.938459][ T4849]  ? kasan_save_track (mm/kasan/common.c:78)
[  168.938462][ T4849]  ? __kasan_kmalloc (mm/kasan/common.c:398 mm/kasan/common.c:415)
[  168.938467][ T4849]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[  168.938470][ T4849]  ? snd_ac97_proc_read_main (sound/pci/ac97/ac97_proc.c:320)
[  168.938479][ T4849]  ? ___sys_sendmsg (net/socket.c:2758)
[  168.938485][ T4849]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2))
[  168.938489][ T4849]  ? rtnl_newlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:366 net/core/rtnetlink.c:4214)
[  168.938493][ T4849]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  168.938496][ T4849]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  168.938499][ T4849]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  168.938501][ T4849]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  168.938504][ T4849]  ? trace_contention_end (./include/trace/events/lock.h:121 (discriminator 22))
[  168.938507][ T4849]  ? __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)
[  168.938510][ T4849]  ? __mutex_lock (kernel/locking/mutex.c:656 (discriminator 1) kernel/locking/mutex.c:821 (discriminator 1))
[  168.938514][ T4849]  ? rtnl_newlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:366 net/core/rtnetlink.c:4214)
[  168.938520][ T4849]  ? ww_mutex_lock (kernel/locking/mutex.c:934)
[  168.938521][ T4849]  ? nla_get_range_signed (lib/nlattr.c:270)
[  168.938529][ T4849]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  168.938532][ T4849]  ? __rtnl_newlink (net/core/rtnetlink.c:4063)
[  168.938537][ T4849]  rtnl_newlink (net/core/rtnetlink.c:4215)
[  168.938543][ T4849]  ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558)
[  168.938545][ T4849]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[  168.938549][ T4849]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2))
[  168.938551][ T4849]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[  168.938554][ T4849]  ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558)
[  168.938556][ T4849]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554)
[  168.938559][ T4849]  ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558)
[  168.938561][ T4849]  rtnetlink_rcv_msg (net/core/rtnetlink.c:7132)
[  168.938565][ T4849]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[  168.938566][ T4849]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[  168.938573][ T4849]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2))
[  168.938576][ T4849]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[  168.938582][ T4849]  netlink_rcv_skb (net/netlink/af_netlink.c:2556)
[  168.938586][ T4849]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[  168.938592][ T4849]  ? netlink_ack (./include/linux/skbuff.h:2718)
[  168.938608][ T4849]  ? 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))
[  168.938615][ T4849]  ? 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))
[  168.938625][ T4849]  netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[  168.938635][ T4849]  ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[  168.938639][ T4849]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[  168.938647][ T4849]  netlink_sendmsg (net/netlink/af_netlink.c:1900)
[  168.938653][ T4849]  ? netlink_unicast (./include/net/net_namespace.h:422 (discriminator 7))
[  168.938660][ T4849]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554)
[  168.938672][ T4849]  ? __import_iovec (lib/iov_iter.c:1358 lib/iov_iter.c:1373)
[  168.938680][ T4849]  __sock_sendmsg (net/socket.c:800 (discriminator 4) net/socket.c:815 (discriminator 4))
[  168.938686][ T4849]  ____sys_sendmsg (net/socket.c:2713)
[  168.938690][ T4849]  ? copy_msghdr_from_user (net/socket.c:2650)
[  168.938693][ T4849]  ? sock_write_iter (net/socket.c:1269)
[  168.938695][ T4849]  ? move_addr_to_kernel (net/socket.c:258)
[  168.938708][ T4849]  ___sys_sendmsg (net/socket.c:2767)
[  168.938713][ T4849]  ? copy_msghdr_from_user (net/socket.c:2619)
[  168.938740][ T4849]  __sys_sendmsg (net/socket.c:2799)
[  168.938744][ T4849]  ? __sys_sendmsg_sock (net/socket.c:2780)
[  168.938750][ T4849]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  168.938753][ T4849]  do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84)
[  168.938757][ T4849]  ? exc_page_fault (arch/x86/mm/fault.c:1489 (discriminator 3) arch/x86/mm/fault.c:1536 (discriminator 3))
[  168.938760][ T4849]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[  168.938762][ T4849] RIP: 0033:0x7f5c9855e54e
[  168.938767][ T4849] 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
[  168.938769][ T4849] RSP: 002b:00007ffd866c6860 EFLAGS: 00000202 ORIG_RAX: 000000000000002e
[  168.938772][ T4849] RAX: ffffffffffffffda RBX: 0000000000000003 RCX: 00007f5c9855e54e
[  168.938774][ T4849] RDX: 0000000000000000 RSI: 00007ffd866c6910 RDI: 0000000000000005
[  168.938775][ T4849] RBP: 00007ffd866c6870 R08: 0000000000000000 R09: 0000000000000000
[  168.938775][ T4849] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a91a4e6
[  168.938776][ T4849] R13: 00000000004a1620 R14: 0000000000000000 R15: 00007ffd866c6fd0
| [  173.290852][   T71] softirqs last disabled at (5312060): vxlan_flush (./include/linux/spinlock.h:353 drivers/net/vxlan/vxlan_core.c:3094) vxlan
| [  173.290856][   T71] Preemption disabled at:
| [  173.290857][   T71] vprintk_emit (kernel/printk/printk.c:2471)
| [  173.290866][   T71] Tainted: [W]=WARN
[  173.290867][   T71] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[  173.290868][   T71] Workqueue: netns cleanup_net
[  173.290872][   T71] Call Trace:
[  173.290873][   T71]  <TASK>
[  173.290875][   T71]  dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120)
[  173.290882][   T71]  ? vprintk_emit (kernel/printk/printk.c:2471)
[  173.290883][   T71]  __might_resched.cold (kernel/sched/core.c:9234)
[  173.290888][   T71]  ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3))
[  173.290892][   T71]  ? __kmalloc_noprof (./include/linux/sched/mm.h:317 mm/slub.c:4636 mm/slub.c:4974 mm/slub.c:5413 mm/slub.c:5439)
[  173.290897][   T71]  __kmalloc_noprof (./include/linux/sched/mm.h:322 (discriminator 2) mm/slub.c:4636 (discriminator 2) mm/slub.c:4974 (discriminator 2) mm/slub.c:5413 (discriminator 2) mm/slub.c:5439 (discriminator 2))
[  173.290899][   T71]  ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[  173.290906][   T71]  ? do_raw_spin_unlock (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:32 ./include/asm-generic/qspinlock.h:58 kernel/locking/spinlock_debug.c:101 kernel/locking/spinlock_debug.c:141)
[  173.290908][   T71]  alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[  173.290912][   T71]  put_chars (drivers/char/virtio_console.c:1176)
[  173.290915][   T71]  ? __send_to_port (drivers/char/virtio_console.c:654)
[  173.290916][   T71]  ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4116 (discriminator 3) kernel/rcu/tree.c:4108 (discriminator 3))
[  173.290920][   T71]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380)
[  173.290923][   T71]  ? validate_chain (kernel/locking/lockdep.c:3817 (discriminator 2) kernel/locking/lockdep.c:3837 (discriminator 2) kernel/locking/lockdep.c:3892 (discriminator 2))
[  173.290929][   T71]  hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2))
[  173.290933][   T71]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[  173.290938][   T71]  ? hvc_write (drivers/tty/hvc/hvc_console.c:501)
[  173.290942][   T71]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  173.290947][   T71]  console_emit_next_record (kernel/printk/printk.c:3183)
[  173.290951][   T71]  ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20)
[  173.290953][   T71]  ? 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))
[  173.290957][   T71]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  173.290958][   T71]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  173.290963][   T71]  console_flush_one_record (kernel/printk/printk.c:3268)
[  173.290967][   T71]  ? console_emit_next_record (kernel/printk/printk.c:3150)
[  173.290969][   T71]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[  173.290975][   T71]  console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420)
[  173.290978][   T71]  ? console_flush_one_record (kernel/printk/printk.c:3316)
[  173.290980][   T71]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  173.290982][   T71]  ? 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)
[  173.290986][   T71]  ? __down_trylock_console_sem (kernel/printk/printk.c:334)
[  173.290988][   T71]  ? vprintk_emit (kernel/printk/printk.c:2478)
[  173.290990][   T71]  vprintk_emit (kernel/printk/printk.c:2479)
[  173.290994][   T71]  ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126))
[  173.290995][   T71]  ? cleanup_net (net/core/net_namespace.c:706)
[  173.290997][   T71]  ? worker_thread (kernel/workqueue.c:3470 kernel/workqueue.c:3551)
[  173.290999][   T71]  ? kthread (kernel/kthread.c:436)
[  173.291001][   T71]  ? ret_from_fork (arch/x86/kernel/process.c:158)
[  173.291004][   T71]  ? ret_from_fork_asm (arch/x86/entry/entry_64.S:245)
[  173.291009][   T71]  _printk (kernel/printk/printk.c:2504)
[  173.291013][   T71]  ? snapshot_read.cold (user.c:?)
[  173.291018][   T71]  ? netdev_name (./include/linux/netdevice.h:5709 (discriminator 1))
[  173.291022][   T71]  ? __netdev_printk (net/core/dev.c:13148 (discriminator 2))
[  173.291026][   T71]  netdev_info (net/core/dev.c:13195 (discriminator 3))
[  173.291029][   T71]  ? netdev_notice (net/core/dev.c:13194)
[  173.291034][   T71]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  173.291036][   T71]  ? __up_read (kernel/locking/rwsem.c:1397 (discriminator 1))
[  173.291038][   T71]  ? down_write_nested (kernel/locking/rwsem.c:1759)
[  173.291041][   T71]  ? 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)
[  173.291043][   T71]  netif_set_allmulti.cold (net/core/dev.c:9731 (discriminator 3))
[  173.291047][   T71]  dev_set_allmulti (net/core/dev_api.c:315)
[  173.291051][   T71]  del_nbp (net/bridge/br_if.c:253 net/bridge/br_if.c:341)
[  173.291058][   T71]  br_dev_delete (net/bridge/br_if.c:387)
[  173.291062][   T71]  br_net_exit_rtnl (net/bridge/br.c:414)
[  173.291066][   T71]  ops_undo_list (net/core/net_namespace.c:181 net/core/net_namespace.c:249)
[  173.291070][   T71]  ? lockdep_hardirqs_on (kernel/locking/lockdep.c:4488)
[  173.291074][   T71]  ? netns_install (./include/linux/ns_common.h:26)
[  173.291075][   T71]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554)
[  173.291078][   T71]  ? idr_destroy (lib/radix-tree.c:310 lib/radix-tree.c:674 lib/radix-tree.c:1563)
[  173.291084][   T71]  cleanup_net (net/core/net_namespace.c:706)
[  173.291087][   T71]  ? net_passive_dec (./include/linux/llist.h:241)
[  173.291091][   T71]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  173.291093][   T71]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  173.291096][   T71]  process_one_work (kernel/workqueue.c:3387)
[  173.291104][   T71]  ? __queue_delayed_work (kernel/workqueue.c:2622)
[  173.291107][   T71]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2))
[  173.291115][   T71]  worker_thread (kernel/workqueue.c:3470 kernel/workqueue.c:3551)
[  173.291119][   T71]  ? rescuer_thread (./include/linux/list.h:419 (discriminator 3))
[  173.291122][   T71]  ? __kthread_parkme (./include/linux/instrumented.h:82 ./include/asm-generic/bitops/instrumented-non-atomic.h:141 kernel/kthread.c:272)
[  173.291124][   T71]  ? rescuer_thread (./include/linux/list.h:419 (discriminator 3))
[  173.291128][   T71]  ? rescuer_thread (./include/linux/list.h:419 (discriminator 3))
[  173.291130][   T71]  kthread (kernel/kthread.c:436)
[  173.291132][   T71]  ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22))
[  173.291135][   T71]  ? kthread_affine_preferred (kernel/kthread.c:857)
[  173.291138][   T71]  ret_from_fork (arch/x86/kernel/process.c:158)
[  173.291141][   T71]  ? arch_exit_to_user_mode_prepare.isra.0 (arch/x86/entry/vdso/vma.c:80 (discriminator 1))
[  173.291145][   T71]  ? __switch_to (arch/x86/kernel/process_64.c:403 arch/x86/kernel/process_64.c:663)
[  173.291148][   T71]  ? kthread_affine_preferred (kernel/kthread.c:857)
[  173.291151][   T71]  ret_from_fork_asm (arch/x86/entry/entry_64.S:245)
| [  177.411628][ T5065] softirqs last disabled at (43952): __alloc_skb (./include/linux/bottom_half.h:20 (discriminator 2) net/core/skbuff.c:697 (discriminator 2))
| [  177.411631][ T5065] Preemption disabled at:
| [  177.411631][ T5065] vprintk_emit (kernel/printk/printk.c:2471)
| [  177.411640][ T5065] Tainted: [W]=WARN
[  177.411641][ T5065] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[  177.411643][ T5065] Call Trace:
[  177.411644][ T5065]  <TASK>
[  177.411646][ T5065]  dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120)
[  177.411652][ T5065]  ? vprintk_emit (kernel/printk/printk.c:2471)
[  177.411653][ T5065]  __might_resched.cold (kernel/sched/core.c:9234)
[  177.411658][ T5065]  ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3))
[  177.411664][ T5065]  ? __kmalloc_noprof (./include/linux/sched/mm.h:317 mm/slub.c:4636 mm/slub.c:4974 mm/slub.c:5413 mm/slub.c:5439)
[  177.411669][ T5065]  __kmalloc_noprof (./include/linux/sched/mm.h:322 (discriminator 2) mm/slub.c:4636 (discriminator 2) mm/slub.c:4974 (discriminator 2) mm/slub.c:5413 (discriminator 2) mm/slub.c:5439 (discriminator 2))
[  177.411671][ T5065]  ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[  177.411677][ T5065]  ? do_raw_spin_unlock (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:32 ./include/asm-generic/qspinlock.h:58 kernel/locking/spinlock_debug.c:101 kernel/locking/spinlock_debug.c:141)
[  177.411680][ T5065]  alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[  177.411684][ T5065]  put_chars (drivers/char/virtio_console.c:1176)
[  177.411686][ T5065]  ? __send_to_port (drivers/char/virtio_console.c:654)
[  177.411688][ T5065]  ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4116 (discriminator 3) kernel/rcu/tree.c:4108 (discriminator 3))
[  177.411691][ T5065]  ? validate_chain (kernel/locking/lockdep.c:3817 (discriminator 2) kernel/locking/lockdep.c:3837 (discriminator 2) kernel/locking/lockdep.c:3892 (discriminator 2))
[  177.411697][ T5065]  hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2))
[  177.411705][ T5065]  ? hvc_write (drivers/tty/hvc/hvc_console.c:501)
[  177.411707][ T5065]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  177.411709][ T5065]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  177.411713][ T5065]  console_emit_next_record (kernel/printk/printk.c:3183)
[  177.411718][ T5065]  ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20)
[  177.411719][ T5065]  ? 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))
[  177.411723][ T5065]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  177.411724][ T5065]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  177.411735][ T5065]  console_flush_one_record (kernel/printk/printk.c:3268)
[  177.411740][ T5065]  ? console_emit_next_record (kernel/printk/printk.c:3150)
[  177.411741][ T5065]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[  177.411747][ T5065]  console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420)
[  177.411750][ T5065]  ? console_flush_one_record (kernel/printk/printk.c:3316)
[  177.411752][ T5065]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  177.411753][ T5065]  ? 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)
[  177.411757][ T5065]  ? __down_trylock_console_sem (kernel/printk/printk.c:334)
[  177.411759][ T5065]  ? vprintk_emit (kernel/printk/printk.c:2478)
[  177.411762][ T5065]  vprintk_emit (kernel/printk/printk.c:2479)
[  177.411765][ T5065]  ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126))
[  177.411767][ T5065]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554)
[  177.411769][ T5065]  ? mark_held_locks (kernel/locking/lockdep.c:4341)
[  177.411773][ T5065]  _printk (kernel/printk/printk.c:2504)
[  177.411777][ T5065]  ? snapshot_read.cold (user.c:?)
[  177.411781][ T5065]  ? br_multicast_flood (??:?)
[  177.411784][ T5065]  ? do_setlink.isra.0 (net/core/rtnetlink.c:3273 (discriminator 1))
[  177.411786][ T5065]  ? rtnl_newlink (net/core/rtnetlink.c:4215)
[  177.411787][ T5065]  ? rtnetlink_rcv_msg (net/core/rtnetlink.c:7132)
[  177.411791][ T5065]  br_set_state (net/bridge/br_stp.c:57 (discriminator 2))
[  177.411796][ T5065]  br_init_port (net/bridge/br_stp_if.c:39)
[  177.411798][ T5065]  new_nbp (net/bridge/br_if.c:449)
[  177.411802][ T5065]  br_add_if (net/bridge/br_if.c:592)
[  177.411805][ T5065]  ? is_bpf_text_address (./include/linux/rcupdate.h:882 kernel/bpf/core.c:751)
[  177.411808][ T5065]  ? kernel_text_address (kernel/extable.c:125 kernel/extable.c:94)
[  177.411814][ T5065]  do_set_master (net/core/rtnetlink.c:3071)
[  177.411818][ T5065]  do_setlink.isra.0 (net/core/rtnetlink.c:3273 (discriminator 1))
[  177.411821][ T5065]  ? stack_trace_save (kernel/stacktrace.c:122 (discriminator 1))
[  177.411825][ T5065]  ? rtnl_link_get_size (net/core/rtnetlink.c:747)
[  177.411826][ T5065]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:388 kernel/rcu/update.c:380)
[  177.411829][ T5065]  ? stack_depot_save_flags (lib/stackdepot.c:609 (discriminator 2) lib/stackdepot.c:676 (discriminator 2))
[  177.411832][ T5065]  ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4116 (discriminator 3) kernel/rcu/tree.c:4108 (discriminator 3))
[  177.411834][ T5065]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380)
[  177.411836][ T5065]  ? validate_chain (kernel/locking/lockdep.c:3817 (discriminator 2) kernel/locking/lockdep.c:3837 (discriminator 2) kernel/locking/lockdep.c:3892 (discriminator 2))
[  177.411839][ T5065]  ? kasan_save_stack (mm/kasan/common.c:58)
[  177.411841][ T5065]  ? kasan_save_stack (mm/kasan/common.c:57)
[  177.411842][ T5065]  ? kasan_save_track (mm/kasan/common.c:78)
[  177.411844][ T5065]  ? __kasan_kmalloc (mm/kasan/common.c:398 mm/kasan/common.c:415)
[  177.411846][ T5065]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[  177.411848][ T5065]  ? snd_ac97_proc_read_main (sound/pci/ac97/ac97_proc.c:320)
[  177.411851][ T5065]  ? ___sys_sendmsg (net/socket.c:2758)
[  177.411854][ T5065]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2))
[  177.411856][ T5065]  ? rtnl_newlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:366 net/core/rtnetlink.c:4214)
[  177.411859][ T5065]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  177.411861][ T5065]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  177.411862][ T5065]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  177.411863][ T5065]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  177.411865][ T5065]  ? trace_contention_end (./include/trace/events/lock.h:121 (discriminator 22))
[  177.411868][ T5065]  ? __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)
[  177.411870][ T5065]  ? __mutex_lock (kernel/locking/mutex.c:656 (discriminator 1) kernel/locking/mutex.c:821 (discriminator 1))
[  177.411872][ T5065]  ? rtnl_newlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:366 net/core/rtnetlink.c:4214)
[  177.411876][ T5065]  ? ww_mutex_lock (kernel/locking/mutex.c:934)
[  177.411877][ T5065]  ? nla_get_range_signed (lib/nlattr.c:270)
[  177.411882][ T5065]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  177.411884][ T5065]  ? __rtnl_newlink (net/core/rtnetlink.c:4063)
[  177.411889][ T5065]  rtnl_newlink (net/core/rtnetlink.c:4215)
[  177.411895][ T5065]  ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558)
[  177.411896][ T5065]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[  177.411901][ T5065]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2))
[  177.411903][ T5065]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[  177.411905][ T5065]  ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558)
[  177.411907][ T5065]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554)
[  177.411911][ T5065]  ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558)
[  177.411913][ T5065]  rtnetlink_rcv_msg (net/core/rtnetlink.c:7132)
[  177.411916][ T5065]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[  177.411918][ T5065]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[  177.411922][ T5065]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2))
[  177.411924][ T5065]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[  177.411928][ T5065]  netlink_rcv_skb (net/netlink/af_netlink.c:2556)
[  177.411931][ T5065]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[  177.411934][ T5065]  ? netlink_ack (./include/linux/skbuff.h:2718)
[  177.411940][ T5065]  ? 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))
[  177.411942][ T5065]  ? 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))
[  177.411947][ T5065]  netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[  177.411951][ T5065]  ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[  177.411953][ T5065]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[  177.411958][ T5065]  netlink_sendmsg (net/netlink/af_netlink.c:1900)
[  177.411962][ T5065]  ? netlink_unicast (./include/net/net_namespace.h:422 (discriminator 7))
[  177.411966][ T5065]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554)
[  177.411967][ T5065]  ? __import_iovec (lib/iov_iter.c:1358 lib/iov_iter.c:1373)
[  177.411973][ T5065]  __sock_sendmsg (net/socket.c:800 (discriminator 4) net/socket.c:815 (discriminator 4))
[  177.411976][ T5065]  ____sys_sendmsg (net/socket.c:2713)
[  177.411978][ T5065]  ? copy_msghdr_from_user (net/socket.c:2650)
[  177.411980][ T5065]  ? sock_write_iter (net/socket.c:1269)
[  177.411982][ T5065]  ? move_addr_to_kernel (net/socket.c:258)
[  177.411989][ T5065]  ___sys_sendmsg (net/socket.c:2767)
[  177.411992][ T5065]  ? copy_msghdr_from_user (net/socket.c:2619)
[  177.412008][ T5065]  __sys_sendmsg (net/socket.c:2799)
[  177.412012][ T5065]  ? __sys_sendmsg_sock (net/socket.c:2780)
[  177.412018][ T5065]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  177.412021][ T5065]  do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84)
[  177.412024][ T5065]  ? exc_page_fault (arch/x86/mm/fault.c:1489 (discriminator 3) arch/x86/mm/fault.c:1536 (discriminator 3))
[  177.412027][ T5065]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[  177.412029][ T5065] RIP: 0033:0x7fcc7ee4a54e
[  177.412034][ T5065] 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
[  177.412035][ T5065] RSP: 002b:00007fffc7db9250 EFLAGS: 00000202 ORIG_RAX: 000000000000002e
[  177.412038][ T5065] RAX: ffffffffffffffda RBX: 0000000000000003 RCX: 00007fcc7ee4a54e
[  177.412040][ T5065] RDX: 0000000000000000 RSI: 00007fffc7db9300 RDI: 0000000000000005
[  177.412040][ T5065] RBP: 00007fffc7db9260 R08: 0000000000000000 R09: 0000000000000000
[  177.412041][ T5065] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a91a4ee
[  177.412042][ T5065] R13: 00000000004a1620 R14: 0000000000000000 R15: 00007fffc7db99c0
| [  181.711604][   T71] softirqs last disabled at (5511024): vxlan_flush (./include/linux/spinlock.h:353 drivers/net/vxlan/vxlan_core.c:3094) vxlan
| [  181.711611][   T71] Preemption disabled at:
| [  181.711612][   T71] vprintk_emit (kernel/printk/printk.c:2471)
| [  181.711626][   T71] Tainted: [W]=WARN
[  181.711628][   T71] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[  181.711632][   T71] Workqueue: netns cleanup_net
[  181.711638][   T71] Call Trace:
[  181.711641][   T71]  <TASK>
[  181.711645][   T71]  dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120)
[  181.711658][   T71]  ? vprintk_emit (kernel/printk/printk.c:2471)
[  181.711667][   T71]  __might_resched.cold (kernel/sched/core.c:9234)
[  181.711673][   T71]  ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3))
[  181.711679][   T71]  ? __kmalloc_noprof (./include/linux/sched/mm.h:317 mm/slub.c:4636 mm/slub.c:4974 mm/slub.c:5413 mm/slub.c:5439)
[  181.711686][   T71]  __kmalloc_noprof (./include/linux/sched/mm.h:322 (discriminator 2) mm/slub.c:4636 (discriminator 2) mm/slub.c:4974 (discriminator 2) mm/slub.c:5413 (discriminator 2) mm/slub.c:5439 (discriminator 2))
[  181.711689][   T71]  ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[  181.711699][   T71]  ? do_raw_spin_unlock (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:32 ./include/asm-generic/qspinlock.h:58 kernel/locking/spinlock_debug.c:101 kernel/locking/spinlock_debug.c:141)
[  181.711703][   T71]  alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[  181.711709][   T71]  put_chars (drivers/char/virtio_console.c:1176)
[  181.711713][   T71]  ? __send_to_port (drivers/char/virtio_console.c:654)
[  181.711715][   T71]  ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4116 (discriminator 3) kernel/rcu/tree.c:4108 (discriminator 3))
[  181.711721][   T71]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380)
[  181.711725][   T71]  ? validate_chain (kernel/locking/lockdep.c:3817 (discriminator 2) kernel/locking/lockdep.c:3837 (discriminator 2) kernel/locking/lockdep.c:3892 (discriminator 2))
[  181.711733][   T71]  hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2))
[  181.711737][   T71]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[  181.711743][   T71]  ? hvc_write (drivers/tty/hvc/hvc_console.c:501)
[  181.711746][   T71]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  181.711751][   T71]  console_emit_next_record (kernel/printk/printk.c:3183)
[  181.711756][   T71]  ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20)
[  181.711765][   T71]  ? 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))
[  181.711768][   T71]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  181.711771][   T71]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  181.711778][   T71]  console_flush_one_record (kernel/printk/printk.c:3268)
[  181.711787][   T71]  ? console_emit_next_record (kernel/printk/printk.c:3150)
[  181.711793][   T71]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[  181.711805][   T71]  console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420)
[  181.711813][   T71]  ? console_flush_one_record (kernel/printk/printk.c:3316)
[  181.711820][   T71]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  181.711825][   T71]  ? 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)
[  181.711832][   T71]  ? __down_trylock_console_sem (kernel/printk/printk.c:334)
[  181.711834][   T71]  ? vprintk_emit (kernel/printk/printk.c:2478)
[  181.711840][   T71]  vprintk_emit (kernel/printk/printk.c:2479)
[  181.711846][   T71]  ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126))
[  181.711848][   T71]  ? cleanup_net (net/core/net_namespace.c:706)
[  181.711851][   T71]  ? worker_thread (kernel/workqueue.c:3470 kernel/workqueue.c:3551)
[  181.711854][   T71]  ? kthread (kernel/kthread.c:436)
[  181.711858][   T71]  ? ret_from_fork (arch/x86/kernel/process.c:158)
[  181.711862][   T71]  ? ret_from_fork_asm (arch/x86/entry/entry_64.S:245)
[  181.711869][   T71]  _printk (kernel/printk/printk.c:2504)
[  181.711874][   T71]  ? snapshot_read.cold (user.c:?)
[  181.711879][   T71]  ? netdev_name (./include/linux/netdevice.h:5709 (discriminator 1))
[  181.711883][   T71]  ? __netdev_printk (net/core/dev.c:13148 (discriminator 2))
[  181.711887][   T71]  netdev_info (net/core/dev.c:13195 (discriminator 3))
[  181.711890][   T71]  ? netdev_notice (net/core/dev.c:13194)
[  181.711894][   T71]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  181.711896][   T71]  ? __up_read (kernel/locking/rwsem.c:1397 (discriminator 1))
[  181.711899][   T71]  ? down_write_nested (kernel/locking/rwsem.c:1759)
[  181.711902][   T71]  ? 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)
[  181.711906][   T71]  netif_set_allmulti.cold (net/core/dev.c:9731 (discriminator 3))
[  181.711913][   T71]  dev_set_allmulti (net/core/dev_api.c:315)
[  181.711924][   T71]  del_nbp (net/bridge/br_if.c:253 net/bridge/br_if.c:341)
[  181.711940][   T71]  br_dev_delete (net/bridge/br_if.c:387)
[  181.711950][   T71]  br_net_exit_rtnl (net/bridge/br.c:414)
[  181.711957][   T71]  ops_undo_list (net/core/net_namespace.c:181 net/core/net_namespace.c:249)
[  181.711964][   T71]  ? lockdep_hardirqs_on (kernel/locking/lockdep.c:4488)
[  181.711969][   T71]  ? netns_install (./include/linux/ns_common.h:26)
[  181.711971][   T71]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554)
[  181.711976][   T71]  ? idr_destroy (lib/radix-tree.c:310 lib/radix-tree.c:674 lib/radix-tree.c:1563)
[  181.711984][   T71]  cleanup_net (net/core/net_namespace.c:706)
[  181.711989][   T71]  ? net_passive_dec (./include/linux/llist.h:241)
[  181.711995][   T71]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  181.711998][   T71]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  181.712004][   T71]  process_one_work (kernel/workqueue.c:3387)
[  181.712015][   T71]  ? __queue_delayed_work (kernel/workqueue.c:2622)
[  181.712020][   T71]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2))
[  181.712031][   T71]  worker_thread (kernel/workqueue.c:3470 kernel/workqueue.c:3551)
[  181.712040][   T71]  ? rescuer_thread (./include/linux/list.h:419 (discriminator 3))
[  181.712046][   T71]  ? __kthread_parkme (./include/linux/instrumented.h:82 ./include/asm-generic/bitops/instrumented-non-atomic.h:141 kernel/kthread.c:272)
[  181.712057][   T71]  ? rescuer_thread (./include/linux/list.h:419 (discriminator 3))
[  181.712062][   T71]  ? rescuer_thread (./include/linux/list.h:419 (discriminator 3))
[  181.712067][   T71]  kthread (kernel/kthread.c:436)
[  181.712073][   T71]  ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22))
[  181.712079][   T71]  ? kthread_affine_preferred (kernel/kthread.c:857)
[  181.712084][   T71]  ret_from_fork (arch/x86/kernel/process.c:158)
[  181.712089][   T71]  ? arch_exit_to_user_mode_prepare.isra.0 (arch/x86/entry/vdso/vma.c:80 (discriminator 1))
[  181.712095][   T71]  ? __switch_to (arch/x86/kernel/process_64.c:403 arch/x86/kernel/process_64.c:663)
[  181.712100][   T71]  ? kthread_affine_preferred (kernel/kthread.c:857)
[  181.712104][   T71]  ret_from_fork_asm (arch/x86/entry/entry_64.S:245)
| [  185.603285][ T5267] softirqs last disabled at (44316): __alloc_skb (./include/linux/bottom_half.h:20 (discriminator 2) net/core/skbuff.c:697 (discriminator 2))
| [  185.603287][ T5267] Preemption disabled at:
| [  185.603288][ T5267] vprintk_emit (kernel/printk/printk.c:2471)
| [  185.603297][ T5267] Tainted: [W]=WARN
[  185.603298][ T5267] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[  185.603299][ T5267] Call Trace:
[  185.603301][ T5267]  <TASK>
[  185.603303][ T5267]  dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120)
[  185.603309][ T5267]  ? vprintk_emit (kernel/printk/printk.c:2471)
[  185.603311][ T5267]  __might_resched.cold (kernel/sched/core.c:9234)
[  185.603315][ T5267]  ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3))
[  185.603319][ T5267]  ? __kmalloc_noprof (./include/linux/sched/mm.h:317 mm/slub.c:4636 mm/slub.c:4974 mm/slub.c:5413 mm/slub.c:5439)
[  185.603324][ T5267]  __kmalloc_noprof (./include/linux/sched/mm.h:322 (discriminator 2) mm/slub.c:4636 (discriminator 2) mm/slub.c:4974 (discriminator 2) mm/slub.c:5413 (discriminator 2) mm/slub.c:5439 (discriminator 2))
[  185.603326][ T5267]  ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[  185.603332][ T5267]  ? do_raw_spin_unlock (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:32 ./include/asm-generic/qspinlock.h:58 kernel/locking/spinlock_debug.c:101 kernel/locking/spinlock_debug.c:141)
[  185.603335][ T5267]  alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[  185.603339][ T5267]  put_chars (drivers/char/virtio_console.c:1176)
[  185.603342][ T5267]  ? __send_to_port (drivers/char/virtio_console.c:654)
[  185.603343][ T5267]  ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4116 (discriminator 3) kernel/rcu/tree.c:4108 (discriminator 3))
[  185.603347][ T5267]  ? validate_chain (kernel/locking/lockdep.c:3817 (discriminator 2) kernel/locking/lockdep.c:3837 (discriminator 2) kernel/locking/lockdep.c:3892 (discriminator 2))
[  185.603352][ T5267]  hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2))
[  185.603360][ T5267]  ? hvc_write (drivers/tty/hvc/hvc_console.c:501)
[  185.603363][ T5267]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  185.603365][ T5267]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  185.603369][ T5267]  console_emit_next_record (kernel/printk/printk.c:3183)
[  185.603374][ T5267]  ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20)
[  185.603376][ T5267]  ? 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))
[  185.603379][ T5267]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  185.603381][ T5267]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  185.603385][ T5267]  console_flush_one_record (kernel/printk/printk.c:3268)
[  185.603389][ T5267]  ? console_emit_next_record (kernel/printk/printk.c:3150)
[  185.603391][ T5267]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[  185.603397][ T5267]  console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420)
[  185.603400][ T5267]  ? console_flush_one_record (kernel/printk/printk.c:3316)
[  185.603402][ T5267]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  185.603404][ T5267]  ? 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)
[  185.603407][ T5267]  ? __down_trylock_console_sem (kernel/printk/printk.c:334)
[  185.603409][ T5267]  ? vprintk_emit (kernel/printk/printk.c:2478)
[  185.603412][ T5267]  vprintk_emit (kernel/printk/printk.c:2479)
[  185.603415][ T5267]  ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126))
[  185.603417][ T5267]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554)
[  185.603420][ T5267]  ? mark_held_locks (kernel/locking/lockdep.c:4341)
[  185.603424][ T5267]  _printk (kernel/printk/printk.c:2504)
[  185.603428][ T5267]  ? snapshot_read.cold (user.c:?)
[  185.603432][ T5267]  ? br_multicast_flood (??:?)
[  185.603435][ T5267]  ? do_setlink.isra.0 (net/core/rtnetlink.c:3273 (discriminator 1))
[  185.603436][ T5267]  ? rtnl_newlink (net/core/rtnetlink.c:4215)
[  185.603438][ T5267]  ? rtnetlink_rcv_msg (net/core/rtnetlink.c:7132)
[  185.603442][ T5267]  br_set_state (net/bridge/br_stp.c:57 (discriminator 2))
[  185.603446][ T5267]  br_init_port (net/bridge/br_stp_if.c:39)
[  185.603449][ T5267]  new_nbp (net/bridge/br_if.c:449)
[  185.603453][ T5267]  br_add_if (net/bridge/br_if.c:592)
[  185.603455][ T5267]  ? is_bpf_text_address (./include/linux/rcupdate.h:882 kernel/bpf/core.c:751)
[  185.603459][ T5267]  ? kernel_text_address (kernel/extable.c:125 kernel/extable.c:94)
[  185.603465][ T5267]  do_set_master (net/core/rtnetlink.c:3071)
[  185.603469][ T5267]  do_setlink.isra.0 (net/core/rtnetlink.c:3273 (discriminator 1))
[  185.603472][ T5267]  ? stack_trace_save (kernel/stacktrace.c:122 (discriminator 1))
[  185.603476][ T5267]  ? rtnl_link_get_size (net/core/rtnetlink.c:747)
[  185.603477][ T5267]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:388 kernel/rcu/update.c:380)
[  185.603480][ T5267]  ? stack_depot_save_flags (lib/stackdepot.c:609 (discriminator 2) lib/stackdepot.c:676 (discriminator 2))
[  185.603484][ T5267]  ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4116 (discriminator 3) kernel/rcu/tree.c:4108 (discriminator 3))
[  185.603486][ T5267]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380)
[  185.603487][ T5267]  ? validate_chain (kernel/locking/lockdep.c:3817 (discriminator 2) kernel/locking/lockdep.c:3837 (discriminator 2) kernel/locking/lockdep.c:3892 (discriminator 2))
[  185.603490][ T5267]  ? kasan_save_stack (mm/kasan/common.c:58)
[  185.603493][ T5267]  ? kasan_save_stack (mm/kasan/common.c:57)
[  185.603494][ T5267]  ? kasan_save_track (mm/kasan/common.c:78)
[  185.603495][ T5267]  ? __kasan_kmalloc (mm/kasan/common.c:398 mm/kasan/common.c:415)
[  185.603498][ T5267]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[  185.603500][ T5267]  ? snd_ac97_proc_read_main (sound/pci/ac97/ac97_proc.c:320)
[  185.603502][ T5267]  ? ___sys_sendmsg (net/socket.c:2758)
[  185.603506][ T5267]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2))
[  185.603508][ T5267]  ? rtnl_newlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:366 net/core/rtnetlink.c:4214)
[  185.603511][ T5267]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  185.603513][ T5267]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  185.603514][ T5267]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  185.603516][ T5267]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  185.603517][ T5267]  ? trace_contention_end (./include/trace/events/lock.h:121 (discriminator 22))
[  185.603520][ T5267]  ? __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)
[  185.603522][ T5267]  ? __mutex_lock (kernel/locking/mutex.c:656 (discriminator 1) kernel/locking/mutex.c:821 (discriminator 1))
[  185.603524][ T5267]  ? rtnl_newlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:366 net/core/rtnetlink.c:4214)
[  185.603528][ T5267]  ? ww_mutex_lock (kernel/locking/mutex.c:934)
[  185.603529][ T5267]  ? nla_get_range_signed (lib/nlattr.c:270)
[  185.603534][ T5267]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  185.603537][ T5267]  ? __rtnl_newlink (net/core/rtnetlink.c:4063)
[  185.603542][ T5267]  rtnl_newlink (net/core/rtnetlink.c:4215)
[  185.603548][ T5267]  ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558)
[  185.603550][ T5267]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[  185.603554][ T5267]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2))
[  185.603556][ T5267]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[  185.603559][ T5267]  ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558)
[  185.603561][ T5267]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554)
[  185.603565][ T5267]  ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558)
[  185.603567][ T5267]  rtnetlink_rcv_msg (net/core/rtnetlink.c:7132)
[  185.603570][ T5267]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[  185.603572][ T5267]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[  185.603580][ T5267]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2))
[  185.603583][ T5267]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[  185.603587][ T5267]  netlink_rcv_skb (net/netlink/af_netlink.c:2556)
[  185.603590][ T5267]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[  185.603593][ T5267]  ? netlink_ack (./include/linux/skbuff.h:2718)
[  185.603600][ T5267]  ? 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))
[  185.603602][ T5267]  ? 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))
[  185.603606][ T5267]  netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[  185.603610][ T5267]  ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[  185.603613][ T5267]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[  185.603617][ T5267]  netlink_sendmsg (net/netlink/af_netlink.c:1900)
[  185.603621][ T5267]  ? netlink_unicast (./include/net/net_namespace.h:422 (discriminator 7))
[  185.603625][ T5267]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554)
[  185.603627][ T5267]  ? __import_iovec (lib/iov_iter.c:1358 lib/iov_iter.c:1373)
[  185.603633][ T5267]  __sock_sendmsg (net/socket.c:800 (discriminator 4) net/socket.c:815 (discriminator 4))
[  185.603635][ T5267]  ____sys_sendmsg (net/socket.c:2713)
[  185.603638][ T5267]  ? copy_msghdr_from_user (net/socket.c:2650)
[  185.603640][ T5267]  ? sock_write_iter (net/socket.c:1269)
[  185.603642][ T5267]  ? move_addr_to_kernel (net/socket.c:258)
[  185.603649][ T5267]  ___sys_sendmsg (net/socket.c:2767)
[  185.603652][ T5267]  ? copy_msghdr_from_user (net/socket.c:2619)
[  185.603671][ T5267]  __sys_sendmsg (net/socket.c:2799)
[  185.603674][ T5267]  ? __sys_sendmsg_sock (net/socket.c:2780)
[  185.603681][ T5267]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  185.603684][ T5267]  do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84)
[  185.603687][ T5267]  ? exc_page_fault (arch/x86/mm/fault.c:1489 (discriminator 3) arch/x86/mm/fault.c:1536 (discriminator 3))
[  185.603690][ T5267]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[  185.603692][ T5267] RIP: 0033:0x7f48f072b54e
[  185.603696][ T5267] 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
[  185.603698][ T5267] RSP: 002b:00007fff8c5269d0 EFLAGS: 00000202 ORIG_RAX: 000000000000002e
[  185.603701][ T5267] RAX: ffffffffffffffda RBX: 0000000000000003 RCX: 00007f48f072b54e
[  185.603702][ T5267] RDX: 0000000000000000 RSI: 00007fff8c526a80 RDI: 0000000000000005
[  185.603703][ T5267] RBP: 00007fff8c5269e0 R08: 0000000000000000 R09: 0000000000000000
[  185.603704][ T5267] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a91a4f6
[  185.603705][ T5267] R13: 00000000004a1620 R14: 0000000000000000 R15: 00007fff8c527140
| [  189.899881][   T71] softirqs last disabled at (5731245): do_softirq (kernel/softirq.c:546 (discriminator 19) kernel/softirq.c:533 (discriminator 19))
| [  189.899883][   T71] Preemption disabled at:
| [  189.899884][   T71] vprintk_emit (kernel/printk/printk.c:2471)
| [  189.899892][   T71] Tainted: [W]=WARN
[  189.899893][   T71] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[  189.899894][   T71] Workqueue: netns cleanup_net
[  189.899898][   T71] Call Trace:
[  189.899899][   T71]  <TASK>
[  189.899901][   T71]  dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120)
[  189.899908][   T71]  ? vprintk_emit (kernel/printk/printk.c:2471)
[  189.899909][   T71]  __might_resched.cold (kernel/sched/core.c:9234)
[  189.899914][   T71]  ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3))
[  189.899918][   T71]  ? __kmalloc_noprof (./include/linux/sched/mm.h:317 mm/slub.c:4636 mm/slub.c:4974 mm/slub.c:5413 mm/slub.c:5439)
[  189.899923][   T71]  __kmalloc_noprof (./include/linux/sched/mm.h:322 (discriminator 2) mm/slub.c:4636 (discriminator 2) mm/slub.c:4974 (discriminator 2) mm/slub.c:5413 (discriminator 2) mm/slub.c:5439 (discriminator 2))
[  189.899925][   T71]  ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[  189.899932][   T71]  ? do_raw_spin_unlock (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:32 ./include/asm-generic/qspinlock.h:58 kernel/locking/spinlock_debug.c:101 kernel/locking/spinlock_debug.c:141)
[  189.899934][   T71]  alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[  189.899938][   T71]  put_chars (drivers/char/virtio_console.c:1176)
[  189.899941][   T71]  ? __send_to_port (drivers/char/virtio_console.c:654)
[  189.899942][   T71]  ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4116 (discriminator 3) kernel/rcu/tree.c:4108 (discriminator 3))
[  189.899946][   T71]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380)
[  189.899949][   T71]  ? validate_chain (kernel/locking/lockdep.c:3817 (discriminator 2) kernel/locking/lockdep.c:3837 (discriminator 2) kernel/locking/lockdep.c:3892 (discriminator 2))
[  189.899954][   T71]  hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2))
[  189.899958][   T71]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[  189.899963][   T71]  ? hvc_write (drivers/tty/hvc/hvc_console.c:501)
[  189.899967][   T71]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  189.899972][   T71]  console_emit_next_record (kernel/printk/printk.c:3183)
[  189.899976][   T71]  ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20)
[  189.899978][   T71]  ? 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))
[  189.899981][   T71]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  189.899983][   T71]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  189.899987][   T71]  console_flush_one_record (kernel/printk/printk.c:3268)
[  189.899992][   T71]  ? console_emit_next_record (kernel/printk/printk.c:3150)
[  189.899994][   T71]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[  189.899999][   T71]  console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420)
[  189.900002][   T71]  ? console_flush_one_record (kernel/printk/printk.c:3316)
[  189.900004][   T71]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  189.900006][   T71]  ? 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)
[  189.900010][   T71]  ? __down_trylock_console_sem (kernel/printk/printk.c:334)
[  189.900012][   T71]  ? vprintk_emit (kernel/printk/printk.c:2478)
[  189.900015][   T71]  vprintk_emit (kernel/printk/printk.c:2479)
[  189.900018][   T71]  ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126))
[  189.900019][   T71]  ? cleanup_net (net/core/net_namespace.c:706)
[  189.900021][   T71]  ? worker_thread (kernel/workqueue.c:3470 kernel/workqueue.c:3551)
[  189.900023][   T71]  ? kthread (kernel/kthread.c:436)
[  189.900026][   T71]  ? ret_from_fork (arch/x86/kernel/process.c:158)
[  189.900029][   T71]  ? ret_from_fork_asm (arch/x86/entry/entry_64.S:245)
[  189.900034][   T71]  _printk (kernel/printk/printk.c:2504)
[  189.900037][   T71]  ? snapshot_read.cold (user.c:?)
[  189.900042][   T71]  ? netdev_name (./include/linux/netdevice.h:5709 (discriminator 1))
[  189.900046][   T71]  ? __netdev_printk (net/core/dev.c:13148 (discriminator 2))
[  189.900050][   T71]  netdev_info (net/core/dev.c:13195 (discriminator 3))
[  189.900053][   T71]  ? netdev_notice (net/core/dev.c:13194)
[  189.900058][   T71]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  189.900060][   T71]  ? __up_read (kernel/locking/rwsem.c:1397 (discriminator 1))
[  189.900062][   T71]  ? down_write_nested (kernel/locking/rwsem.c:1759)
[  189.900064][   T71]  ? 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)
[  189.900067][   T71]  netif_set_allmulti.cold (net/core/dev.c:9731 (discriminator 3))
[  189.900071][   T71]  dev_set_allmulti (net/core/dev_api.c:315)
[  189.900075][   T71]  del_nbp (net/bridge/br_if.c:253 net/bridge/br_if.c:341)
[  189.900081][   T71]  br_dev_delete (net/bridge/br_if.c:387)
[  189.900085][   T71]  br_net_exit_rtnl (net/bridge/br.c:414)
[  189.900089][   T71]  ops_undo_list (net/core/net_namespace.c:181 net/core/net_namespace.c:249)
[  189.900093][   T71]  ? lockdep_hardirqs_on (kernel/locking/lockdep.c:4488)
[  189.900096][   T71]  ? netns_install (./include/linux/ns_common.h:26)
[  189.900098][   T71]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554)
[  189.900101][   T71]  ? idr_destroy (lib/radix-tree.c:310 lib/radix-tree.c:674 lib/radix-tree.c:1563)
[  189.900106][   T71]  cleanup_net (net/core/net_namespace.c:706)
[  189.900109][   T71]  ? net_passive_dec (./include/linux/llist.h:241)
[  189.900113][   T71]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  189.900115][   T71]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  189.900119][   T71]  process_one_work (kernel/workqueue.c:3387)
[  189.900125][   T71]  ? __queue_delayed_work (kernel/workqueue.c:2622)
[  189.900129][   T71]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2))
[  189.900137][   T71]  worker_thread (kernel/workqueue.c:3470 kernel/workqueue.c:3551)
[  189.900141][   T71]  ? rescuer_thread (./include/linux/list.h:419 (discriminator 3))
[  189.900143][   T71]  ? __kthread_parkme (./include/linux/instrumented.h:82 ./include/asm-generic/bitops/instrumented-non-atomic.h:141 kernel/kthread.c:272)
[  189.900146][   T71]  ? rescuer_thread (./include/linux/list.h:419 (discriminator 3))
[  189.900149][   T71]  ? rescuer_thread (./include/linux/list.h:419 (discriminator 3))
[  189.900151][   T71]  kthread (kernel/kthread.c:436)
[  189.900153][   T71]  ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22))
[  189.900156][   T71]  ? kthread_affine_preferred (kernel/kthread.c:857)
[  189.900159][   T71]  ret_from_fork (arch/x86/kernel/process.c:158)
[  189.900162][   T71]  ? arch_exit_to_user_mode_prepare.isra.0 (arch/x86/entry/vdso/vma.c:80 (discriminator 1))
[  189.900166][   T71]  ? __switch_to (arch/x86/kernel/process_64.c:403 arch/x86/kernel/process_64.c:663)
[  189.900169][   T71]  ? kthread_affine_preferred (kernel/kthread.c:857)
[  189.900172][   T71]  ret_from_fork_asm (arch/x86/entry/entry_64.S:245)
| [  194.081957][ T5481] softirqs last disabled at (40012): __alloc_skb (./include/linux/bottom_half.h:20 (discriminator 2) net/core/skbuff.c:697 (discriminator 2))
| [  194.081959][ T5481] Preemption disabled at:
| [  194.081960][ T5481] vprintk_emit (kernel/printk/printk.c:2471)
| [  194.081969][ T5481] Tainted: [W]=WARN
[  194.081969][ T5481] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[  194.081971][ T5481] Call Trace:
[  194.081973][ T5481]  <TASK>
[  194.081974][ T5481]  dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120)
[  194.081980][ T5481]  ? vprintk_emit (kernel/printk/printk.c:2471)
[  194.081982][ T5481]  __might_resched.cold (kernel/sched/core.c:9234)
[  194.081986][ T5481]  ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3))
[  194.081991][ T5481]  ? __kmalloc_noprof (./include/linux/sched/mm.h:317 mm/slub.c:4636 mm/slub.c:4974 mm/slub.c:5413 mm/slub.c:5439)
[  194.081995][ T5481]  __kmalloc_noprof (./include/linux/sched/mm.h:322 (discriminator 2) mm/slub.c:4636 (discriminator 2) mm/slub.c:4974 (discriminator 2) mm/slub.c:5413 (discriminator 2) mm/slub.c:5439 (discriminator 2))
[  194.081997][ T5481]  ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[  194.082004][ T5481]  ? do_raw_spin_unlock (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:32 ./include/asm-generic/qspinlock.h:58 kernel/locking/spinlock_debug.c:101 kernel/locking/spinlock_debug.c:141)
[  194.082007][ T5481]  alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[  194.082011][ T5481]  put_chars (drivers/char/virtio_console.c:1176)
[  194.082013][ T5481]  ? __send_to_port (drivers/char/virtio_console.c:654)
[  194.082015][ T5481]  ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4116 (discriminator 3) kernel/rcu/tree.c:4108 (discriminator 3))
[  194.082018][ T5481]  ? validate_chain (kernel/locking/lockdep.c:3817 (discriminator 2) kernel/locking/lockdep.c:3837 (discriminator 2) kernel/locking/lockdep.c:3892 (discriminator 2))
[  194.082024][ T5481]  hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2))
[  194.082031][ T5481]  ? hvc_write (drivers/tty/hvc/hvc_console.c:501)
[  194.082034][ T5481]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  194.082036][ T5481]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  194.082040][ T5481]  console_emit_next_record (kernel/printk/printk.c:3183)
[  194.082044][ T5481]  ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20)
[  194.082046][ T5481]  ? 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))
[  194.082050][ T5481]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  194.082051][ T5481]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  194.082055][ T5481]  console_flush_one_record (kernel/printk/printk.c:3268)
[  194.082060][ T5481]  ? console_emit_next_record (kernel/printk/printk.c:3150)
[  194.082062][ T5481]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[  194.082067][ T5481]  console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420)
[  194.082070][ T5481]  ? console_flush_one_record (kernel/printk/printk.c:3316)
[  194.082072][ T5481]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  194.082073][ T5481]  ? 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)
[  194.082077][ T5481]  ? __down_trylock_console_sem (kernel/printk/printk.c:334)
[  194.082079][ T5481]  ? vprintk_emit (kernel/printk/printk.c:2478)
[  194.082082][ T5481]  vprintk_emit (kernel/printk/printk.c:2479)
[  194.082085][ T5481]  ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126))
[  194.082087][ T5481]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554)
[  194.082090][ T5481]  ? mark_held_locks (kernel/locking/lockdep.c:4341)
[  194.082093][ T5481]  _printk (kernel/printk/printk.c:2504)
[  194.082097][ T5481]  ? snapshot_read.cold (user.c:?)
[  194.082101][ T5481]  ? br_multicast_flood (??:?)
[  194.082104][ T5481]  ? do_setlink.isra.0 (net/core/rtnetlink.c:3273 (discriminator 1))
[  194.082105][ T5481]  ? rtnl_newlink (net/core/rtnetlink.c:4215)
[  194.082107][ T5481]  ? rtnetlink_rcv_msg (net/core/rtnetlink.c:7132)
[  194.082111][ T5481]  br_set_state (net/bridge/br_stp.c:57 (discriminator 2))
[  194.082115][ T5481]  br_init_port (net/bridge/br_stp_if.c:39)
[  194.082118][ T5481]  new_nbp (net/bridge/br_if.c:449)
[  194.082122][ T5481]  br_add_if (net/bridge/br_if.c:592)
[  194.082124][ T5481]  ? is_bpf_text_address (./include/linux/rcupdate.h:882 kernel/bpf/core.c:751)
[  194.082128][ T5481]  ? kernel_text_address (kernel/extable.c:125 kernel/extable.c:94)
[  194.082133][ T5481]  do_set_master (net/core/rtnetlink.c:3071)
[  194.082137][ T5481]  do_setlink.isra.0 (net/core/rtnetlink.c:3273 (discriminator 1))
[  194.082141][ T5481]  ? stack_trace_save (kernel/stacktrace.c:122 (discriminator 1))
[  194.082144][ T5481]  ? rtnl_link_get_size (net/core/rtnetlink.c:747)
[  194.082146][ T5481]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:388 kernel/rcu/update.c:380)
[  194.082148][ T5481]  ? stack_depot_save_flags (lib/stackdepot.c:609 (discriminator 2) lib/stackdepot.c:676 (discriminator 2))
[  194.082152][ T5481]  ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4116 (discriminator 3) kernel/rcu/tree.c:4108 (discriminator 3))
[  194.082154][ T5481]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380)
[  194.082156][ T5481]  ? validate_chain (kernel/locking/lockdep.c:3817 (discriminator 2) kernel/locking/lockdep.c:3837 (discriminator 2) kernel/locking/lockdep.c:3892 (discriminator 2))
[  194.082158][ T5481]  ? kasan_save_stack (mm/kasan/common.c:58)
[  194.082161][ T5481]  ? kasan_save_stack (mm/kasan/common.c:57)
[  194.082162][ T5481]  ? kasan_save_track (mm/kasan/common.c:78)
[  194.082163][ T5481]  ? __kasan_kmalloc (mm/kasan/common.c:398 mm/kasan/common.c:415)
[  194.082165][ T5481]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[  194.082167][ T5481]  ? snd_ac97_proc_read_main (sound/pci/ac97/ac97_proc.c:320)
[  194.082170][ T5481]  ? ___sys_sendmsg (net/socket.c:2758)
[  194.082174][ T5481]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2))
[  194.082176][ T5481]  ? rtnl_newlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:366 net/core/rtnetlink.c:4214)
[  194.082179][ T5481]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  194.082180][ T5481]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  194.082182][ T5481]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  194.082183][ T5481]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  194.082185][ T5481]  ? trace_contention_end (./include/trace/events/lock.h:121 (discriminator 22))
[  194.082188][ T5481]  ? __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)
[  194.082190][ T5481]  ? __mutex_lock (kernel/locking/mutex.c:656 (discriminator 1) kernel/locking/mutex.c:821 (discriminator 1))
[  194.082192][ T5481]  ? rtnl_newlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:366 net/core/rtnetlink.c:4214)
[  194.082196][ T5481]  ? ww_mutex_lock (kernel/locking/mutex.c:934)
[  194.082197][ T5481]  ? nla_get_range_signed (lib/nlattr.c:270)
[  194.082202][ T5481]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  194.082204][ T5481]  ? __rtnl_newlink (net/core/rtnetlink.c:4063)
[  194.082209][ T5481]  rtnl_newlink (net/core/rtnetlink.c:4215)
[  194.082215][ T5481]  ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558)
[  194.082217][ T5481]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[  194.082221][ T5481]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2))
[  194.082223][ T5481]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[  194.082226][ T5481]  ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558)
[  194.082227][ T5481]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554)
[  194.082231][ T5481]  ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558)
[  194.082233][ T5481]  rtnetlink_rcv_msg (net/core/rtnetlink.c:7132)
[  194.082236][ T5481]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[  194.082238][ T5481]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[  194.082242][ T5481]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2))
[  194.082244][ T5481]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[  194.082248][ T5481]  netlink_rcv_skb (net/netlink/af_netlink.c:2556)
[  194.082251][ T5481]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[  194.082254][ T5481]  ? netlink_ack (./include/linux/skbuff.h:2718)
[  194.082261][ T5481]  ? 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))
[  194.082262][ T5481]  ? 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))
[  194.082267][ T5481]  netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[  194.082271][ T5481]  ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[  194.082274][ T5481]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[  194.082278][ T5481]  netlink_sendmsg (net/netlink/af_netlink.c:1900)
[  194.082282][ T5481]  ? netlink_unicast (./include/net/net_namespace.h:422 (discriminator 7))
[  194.082286][ T5481]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554)
[  194.082288][ T5481]  ? __import_iovec (lib/iov_iter.c:1358 lib/iov_iter.c:1373)
[  194.082293][ T5481]  __sock_sendmsg (net/socket.c:800 (discriminator 4) net/socket.c:815 (discriminator 4))
[  194.082296][ T5481]  ____sys_sendmsg (net/socket.c:2713)
[  194.082298][ T5481]  ? copy_msghdr_from_user (net/socket.c:2650)
[  194.082301][ T5481]  ? sock_write_iter (net/socket.c:1269)
[  194.082302][ T5481]  ? move_addr_to_kernel (net/socket.c:258)
[  194.082310][ T5481]  ___sys_sendmsg (net/socket.c:2767)
[  194.082312][ T5481]  ? copy_msghdr_from_user (net/socket.c:2619)
[  194.082328][ T5481]  __sys_sendmsg (net/socket.c:2799)
[  194.082331][ T5481]  ? __sys_sendmsg_sock (net/socket.c:2780)
[  194.082338][ T5481]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  194.082341][ T5481]  do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84)
[  194.082344][ T5481]  ? exc_page_fault (arch/x86/mm/fault.c:1489 (discriminator 3) arch/x86/mm/fault.c:1536 (discriminator 3))
[  194.082347][ T5481]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[  194.082349][ T5481] RIP: 0033:0x7f0f518f554e
[  194.082353][ T5481] 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
[  194.082355][ T5481] RSP: 002b:00007ffc77f05a90 EFLAGS: 00000202 ORIG_RAX: 000000000000002e
[  194.082358][ T5481] RAX: ffffffffffffffda RBX: 0000000000000003 RCX: 00007f0f518f554e
[  194.082359][ T5481] RDX: 0000000000000000 RSI: 00007ffc77f05b40 RDI: 0000000000000005
[  194.082360][ T5481] RBP: 00007ffc77f05aa0 R08: 0000000000000000 R09: 0000000000000000
[  194.082361][ T5481] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a91a4ff
[  194.082362][ T5481] R13: 00000000004a1620 R14: 0000000000000000 R15: 00007ffc77f06200
| [  198.421719][   T71] softirqs last disabled at (5937700): vxlan_flush (./include/linux/spinlock.h:353 drivers/net/vxlan/vxlan_core.c:3094) vxlan
| [  198.421723][   T71] Preemption disabled at:
| [  198.421724][   T71] vprintk_emit (kernel/printk/printk.c:2471)
| [  198.421733][   T71] Tainted: [W]=WARN
[  198.421734][   T71] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[  198.421735][   T71] Workqueue: netns cleanup_net
[  198.421739][   T71] Call Trace:
[  198.421740][   T71]  <TASK>
[  198.421743][   T71]  dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120)
[  198.421749][   T71]  ? vprintk_emit (kernel/printk/printk.c:2471)
[  198.421751][   T71]  __might_resched.cold (kernel/sched/core.c:9234)
[  198.421756][   T71]  ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3))
[  198.421760][   T71]  ? __kmalloc_noprof (./include/linux/sched/mm.h:317 mm/slub.c:4636 mm/slub.c:4974 mm/slub.c:5413 mm/slub.c:5439)
[  198.421764][   T71]  __kmalloc_noprof (./include/linux/sched/mm.h:322 (discriminator 2) mm/slub.c:4636 (discriminator 2) mm/slub.c:4974 (discriminator 2) mm/slub.c:5413 (discriminator 2) mm/slub.c:5439 (discriminator 2))
[  198.421766][   T71]  ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[  198.421773][   T71]  ? do_raw_spin_unlock (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:32 ./include/asm-generic/qspinlock.h:58 kernel/locking/spinlock_debug.c:101 kernel/locking/spinlock_debug.c:141)
[  198.421776][   T71]  alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[  198.421780][   T71]  put_chars (drivers/char/virtio_console.c:1176)
[  198.421783][   T71]  ? __send_to_port (drivers/char/virtio_console.c:654)
[  198.421784][   T71]  ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4116 (discriminator 3) kernel/rcu/tree.c:4108 (discriminator 3))
[  198.421788][   T71]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380)
[  198.421791][   T71]  ? validate_chain (kernel/locking/lockdep.c:3817 (discriminator 2) kernel/locking/lockdep.c:3837 (discriminator 2) kernel/locking/lockdep.c:3892 (discriminator 2))
[  198.421796][   T71]  hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2))
[  198.421800][   T71]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[  198.421806][   T71]  ? hvc_write (drivers/tty/hvc/hvc_console.c:501)
[  198.421809][   T71]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  198.421814][   T71]  console_emit_next_record (kernel/printk/printk.c:3183)
[  198.421818][   T71]  ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20)
[  198.421820][   T71]  ? 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))
[  198.421824][   T71]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  198.421826][   T71]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  198.421830][   T71]  console_flush_one_record (kernel/printk/printk.c:3268)
[  198.421835][   T71]  ? console_emit_next_record (kernel/printk/printk.c:3150)
[  198.421837][   T71]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[  198.421842][   T71]  console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420)
[  198.421845][   T71]  ? console_flush_one_record (kernel/printk/printk.c:3316)
[  198.421847][   T71]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  198.421849][   T71]  ? 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)
[  198.421853][   T71]  ? __down_trylock_console_sem (kernel/printk/printk.c:334)
[  198.421855][   T71]  ? vprintk_emit (kernel/printk/printk.c:2478)
[  198.421858][   T71]  vprintk_emit (kernel/printk/printk.c:2479)
[  198.421862][   T71]  ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126))
[  198.421863][   T71]  ? cleanup_net (net/core/net_namespace.c:706)
[  198.421865][   T71]  ? worker_thread (kernel/workqueue.c:3470 kernel/workqueue.c:3551)
[  198.421867][   T71]  ? kthread (kernel/kthread.c:436)
[  198.421869][   T71]  ? ret_from_fork (arch/x86/kernel/process.c:158)
[  198.421872][   T71]  ? ret_from_fork_asm (arch/x86/entry/entry_64.S:245)
[  198.421877][   T71]  _printk (kernel/printk/printk.c:2504)
[  198.421888][   T71]  ? snapshot_read.cold (user.c:?)
[  198.421893][   T71]  ? netdev_name (./include/linux/netdevice.h:5709 (discriminator 1))
[  198.421897][   T71]  ? __netdev_printk (net/core/dev.c:13148 (discriminator 2))
[  198.421901][   T71]  netdev_info (net/core/dev.c:13195 (discriminator 3))
[  198.421904][   T71]  ? netdev_notice (net/core/dev.c:13194)
[  198.421908][   T71]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  198.421910][   T71]  ? __up_read (kernel/locking/rwsem.c:1397 (discriminator 1))
[  198.421913][   T71]  ? down_write_nested (kernel/locking/rwsem.c:1759)
[  198.421915][   T71]  ? 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)
[  198.421918][   T71]  netif_set_allmulti.cold (net/core/dev.c:9731 (discriminator 3))
[  198.421922][   T71]  dev_set_allmulti (net/core/dev_api.c:315)
[  198.421926][   T71]  del_nbp (net/bridge/br_if.c:253 net/bridge/br_if.c:341)
[  198.421932][   T71]  br_dev_delete (net/bridge/br_if.c:387)
[  198.421936][   T71]  br_net_exit_rtnl (net/bridge/br.c:414)
[  198.421940][   T71]  ops_undo_list (net/core/net_namespace.c:181 net/core/net_namespace.c:249)
[  198.421944][   T71]  ? lockdep_hardirqs_on (kernel/locking/lockdep.c:4488)
[  198.421948][   T71]  ? netns_install (./include/linux/ns_common.h:26)
[  198.421949][   T71]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554)
[  198.421953][   T71]  ? idr_destroy (lib/radix-tree.c:310 lib/radix-tree.c:674 lib/radix-tree.c:1563)
[  198.421958][   T71]  cleanup_net (net/core/net_namespace.c:706)
[  198.421961][   T71]  ? net_passive_dec (./include/linux/llist.h:241)
[  198.421965][   T71]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  198.421967][   T71]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  198.421971][   T71]  process_one_work (kernel/workqueue.c:3387)
[  198.421978][   T71]  ? __queue_delayed_work (kernel/workqueue.c:2622)
[  198.421981][   T71]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2))
[  198.421989][   T71]  worker_thread (kernel/workqueue.c:3470 kernel/workqueue.c:3551)
[  198.421993][   T71]  ? rescuer_thread (./include/linux/list.h:419 (discriminator 3))
[  198.421996][   T71]  ? __kthread_parkme (./include/linux/instrumented.h:82 ./include/asm-generic/bitops/instrumented-non-atomic.h:141 kernel/kthread.c:272)
[  198.421998][   T71]  ? rescuer_thread (./include/linux/list.h:419 (discriminator 3))
[  198.422001][   T71]  ? rescuer_thread (./include/linux/list.h:419 (discriminator 3))
[  198.422004][   T71]  kthread (kernel/kthread.c:436)
[  198.422005][   T71]  ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22))
[  198.422009][   T71]  ? kthread_affine_preferred (kernel/kthread.c:857)
[  198.422012][   T71]  ret_from_fork (arch/x86/kernel/process.c:158)
[  198.422015][   T71]  ? arch_exit_to_user_mode_prepare.isra.0 (arch/x86/entry/vdso/vma.c:80 (discriminator 1))
[  198.422018][   T71]  ? __switch_to (arch/x86/kernel/process_64.c:403 arch/x86/kernel/process_64.c:663)
[  198.422022][   T71]  ? kthread_affine_preferred (kernel/kthread.c:857)
[  198.422025][   T71]  ret_from_fork_asm (arch/x86/entry/entry_64.S:245)
| [  202.321390][ T5683] softirqs last disabled at (50362): __alloc_skb (./include/linux/bottom_half.h:20 (discriminator 2) net/core/skbuff.c:697 (discriminator 2))
| [  202.321393][ T5683] Preemption disabled at:
| [  202.321394][ T5683] vprintk_emit (kernel/printk/printk.c:2471)
| [  202.321406][ T5683] Tainted: [W]=WARN
[  202.321407][ T5683] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[  202.321410][ T5683] Call Trace:
[  202.321412][ T5683]  <TASK>
[  202.321414][ T5683]  dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120)
[  202.321422][ T5683]  ? vprintk_emit (kernel/printk/printk.c:2471)
[  202.321425][ T5683]  __might_resched.cold (kernel/sched/core.c:9234)
[  202.321431][ T5683]  ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3))
[  202.321437][ T5683]  ? __kmalloc_noprof (./include/linux/sched/mm.h:317 mm/slub.c:4636 mm/slub.c:4974 mm/slub.c:5413 mm/slub.c:5439)
[  202.321444][ T5683]  __kmalloc_noprof (./include/linux/sched/mm.h:322 (discriminator 2) mm/slub.c:4636 (discriminator 2) mm/slub.c:4974 (discriminator 2) mm/slub.c:5413 (discriminator 2) mm/slub.c:5439 (discriminator 2))
[  202.321447][ T5683]  ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[  202.321457][ T5683]  ? do_raw_spin_unlock (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:32 ./include/asm-generic/qspinlock.h:58 kernel/locking/spinlock_debug.c:101 kernel/locking/spinlock_debug.c:141)
[  202.321460][ T5683]  alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[  202.321466][ T5683]  put_chars (drivers/char/virtio_console.c:1176)
[  202.321470][ T5683]  ? __send_to_port (drivers/char/virtio_console.c:654)
[  202.321472][ T5683]  ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4116 (discriminator 3) kernel/rcu/tree.c:4108 (discriminator 3))
[  202.321477][ T5683]  ? validate_chain (kernel/locking/lockdep.c:3817 (discriminator 2) kernel/locking/lockdep.c:3837 (discriminator 2) kernel/locking/lockdep.c:3892 (discriminator 2))
[  202.321487][ T5683]  hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2))
[  202.321500][ T5683]  ? hvc_write (drivers/tty/hvc/hvc_console.c:501)
[  202.321504][ T5683]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  202.321507][ T5683]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  202.321514][ T5683]  console_emit_next_record (kernel/printk/printk.c:3183)
[  202.321521][ T5683]  ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20)
[  202.321524][ T5683]  ? 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))
[  202.321529][ T5683]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  202.321533][ T5683]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  202.321540][ T5683]  console_flush_one_record (kernel/printk/printk.c:3268)
[  202.321548][ T5683]  ? console_emit_next_record (kernel/printk/printk.c:3150)
[  202.321550][ T5683]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[  202.321560][ T5683]  console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420)
[  202.321565][ T5683]  ? console_flush_one_record (kernel/printk/printk.c:3316)
[  202.321567][ T5683]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  202.321570][ T5683]  ? 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)
[  202.321576][ T5683]  ? __down_trylock_console_sem (kernel/printk/printk.c:334)
[  202.321579][ T5683]  ? vprintk_emit (kernel/printk/printk.c:2478)
[  202.321584][ T5683]  vprintk_emit (kernel/printk/printk.c:2479)
[  202.321590][ T5683]  ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126))
[  202.321593][ T5683]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554)
[  202.321597][ T5683]  ? mark_held_locks (kernel/locking/lockdep.c:4341)
[  202.321604][ T5683]  _printk (kernel/printk/printk.c:2504)
[  202.321609][ T5683]  ? snapshot_read.cold (user.c:?)
[  202.321616][ T5683]  ? br_multicast_flood (??:?)
[  202.321620][ T5683]  ? do_setlink.isra.0 (net/core/rtnetlink.c:3273 (discriminator 1))
[  202.321622][ T5683]  ? rtnl_newlink (net/core/rtnetlink.c:4215)
[  202.321624][ T5683]  ? rtnetlink_rcv_msg (net/core/rtnetlink.c:7132)
[  202.321632][ T5683]  br_set_state (net/bridge/br_stp.c:57 (discriminator 2))
[  202.321640][ T5683]  br_init_port (net/bridge/br_stp_if.c:39)
[  202.321644][ T5683]  new_nbp (net/bridge/br_if.c:449)
[  202.321650][ T5683]  br_add_if (net/bridge/br_if.c:592)
[  202.321654][ T5683]  ? is_bpf_text_address (./include/linux/rcupdate.h:882 kernel/bpf/core.c:751)
[  202.321659][ T5683]  ? kernel_text_address (kernel/extable.c:125 kernel/extable.c:94)
[  202.321671][ T5683]  do_set_master (net/core/rtnetlink.c:3071)
[  202.321678][ T5683]  do_setlink.isra.0 (net/core/rtnetlink.c:3273 (discriminator 1))
[  202.321685][ T5683]  ? stack_trace_save (kernel/stacktrace.c:122 (discriminator 1))
[  202.321689][ T5683]  ? rtnl_link_get_size (net/core/rtnetlink.c:747)
[  202.321692][ T5683]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:388 kernel/rcu/update.c:380)
[  202.321696][ T5683]  ? stack_depot_save_flags (lib/stackdepot.c:609 (discriminator 2) lib/stackdepot.c:676 (discriminator 2))
[  202.321701][ T5683]  ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4116 (discriminator 3) kernel/rcu/tree.c:4108 (discriminator 3))
[  202.321704][ T5683]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380)
[  202.321707][ T5683]  ? validate_chain (kernel/locking/lockdep.c:3817 (discriminator 2) kernel/locking/lockdep.c:3837 (discriminator 2) kernel/locking/lockdep.c:3892 (discriminator 2))
[  202.321711][ T5683]  ? kasan_save_stack (mm/kasan/common.c:58)
[  202.321715][ T5683]  ? kasan_save_stack (mm/kasan/common.c:57)
[  202.321717][ T5683]  ? kasan_save_track (mm/kasan/common.c:78)
[  202.321719][ T5683]  ? __kasan_kmalloc (mm/kasan/common.c:398 mm/kasan/common.c:415)
[  202.321723][ T5683]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[  202.321726][ T5683]  ? snd_ac97_proc_read_main (sound/pci/ac97/ac97_proc.c:320)
[  202.321730][ T5683]  ? ___sys_sendmsg (net/socket.c:2758)
[  202.321737][ T5683]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2))
[  202.321740][ T5683]  ? rtnl_newlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:366 net/core/rtnetlink.c:4214)
[  202.321745][ T5683]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  202.321748][ T5683]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  202.321750][ T5683]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  202.321752][ T5683]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  202.321755][ T5683]  ? trace_contention_end (./include/trace/events/lock.h:121 (discriminator 22))
[  202.321759][ T5683]  ? __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)
[  202.321763][ T5683]  ? __mutex_lock (kernel/locking/mutex.c:656 (discriminator 1) kernel/locking/mutex.c:821 (discriminator 1))
[  202.321767][ T5683]  ? rtnl_newlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:366 net/core/rtnetlink.c:4214)
[  202.321773][ T5683]  ? ww_mutex_lock (kernel/locking/mutex.c:934)
[  202.321775][ T5683]  ? nla_get_range_signed (lib/nlattr.c:270)
[  202.321783][ T5683]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  202.321787][ T5683]  ? __rtnl_newlink (net/core/rtnetlink.c:4063)
[  202.321798][ T5683]  rtnl_newlink (net/core/rtnetlink.c:4215)
[  202.321808][ T5683]  ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558)
[  202.321812][ T5683]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[  202.321820][ T5683]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2))
[  202.321823][ T5683]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[  202.321827][ T5683]  ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558)
[  202.321830][ T5683]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554)
[  202.321837][ T5683]  ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558)
[  202.321840][ T5683]  rtnetlink_rcv_msg (net/core/rtnetlink.c:7132)
[  202.321846][ T5683]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[  202.321848][ T5683]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[  202.321856][ T5683]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2))
[  202.321860][ T5683]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[  202.321866][ T5683]  netlink_rcv_skb (net/netlink/af_netlink.c:2556)
[  202.321870][ T5683]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[  202.321876][ T5683]  ? netlink_ack (./include/linux/skbuff.h:2718)
[  202.321888][ T5683]  ? 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))
[  202.321891][ T5683]  ? 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))
[  202.321899][ T5683]  netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[  202.321906][ T5683]  ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[  202.321916][ T5683]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[  202.321924][ T5683]  netlink_sendmsg (net/netlink/af_netlink.c:1900)
[  202.321931][ T5683]  ? netlink_unicast (./include/net/net_namespace.h:422 (discriminator 7))
[  202.321938][ T5683]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554)
[  202.321940][ T5683]  ? __import_iovec (lib/iov_iter.c:1358 lib/iov_iter.c:1373)
[  202.321949][ T5683]  __sock_sendmsg (net/socket.c:800 (discriminator 4) net/socket.c:815 (discriminator 4))
[  202.321954][ T5683]  ____sys_sendmsg (net/socket.c:2713)
[  202.321958][ T5683]  ? copy_msghdr_from_user (net/socket.c:2650)
[  202.321961][ T5683]  ? sock_write_iter (net/socket.c:1269)
[  202.321964][ T5683]  ? move_addr_to_kernel (net/socket.c:258)
[  202.321978][ T5683]  ___sys_sendmsg (net/socket.c:2767)
[  202.321983][ T5683]  ? copy_msghdr_from_user (net/socket.c:2619)
[  202.322015][ T5683]  __sys_sendmsg (net/socket.c:2799)
[  202.322019][ T5683]  ? __sys_sendmsg_sock (net/socket.c:2780)
[  202.322031][ T5683]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  202.322036][ T5683]  do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84)
[  202.322040][ T5683]  ? exc_page_fault (arch/x86/mm/fault.c:1489 (discriminator 3) arch/x86/mm/fault.c:1536 (discriminator 3))
[  202.322045][ T5683]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[  202.322048][ T5683] RIP: 0033:0x7f24c2cf454e
[  202.322053][ T5683] 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
[  202.322056][ T5683] RSP: 002b:00007ffc4297f050 EFLAGS: 00000202 ORIG_RAX: 000000000000002e
[  202.322060][ T5683] RAX: ffffffffffffffda RBX: 0000000000000003 RCX: 00007f24c2cf454e
[  202.322062][ T5683] RDX: 0000000000000000 RSI: 00007ffc4297f100 RDI: 0000000000000005
[  202.322064][ T5683] RBP: 00007ffc4297f060 R08: 0000000000000000 R09: 0000000000000000
[  202.322065][ T5683] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a91a507
[  202.322066][ T5683] R13: 00000000004a1620 R14: 0000000000000000 R15: 00007ffc4297f7c0
| [  206.669614][   T71] softirqs last disabled at (6147628): netlink_release (./include/net/sock.h:2138 net/netlink/af_netlink.c:727)
| [  206.669617][   T71] Preemption disabled at:
| [  206.669618][   T71] vprintk_emit (kernel/printk/printk.c:2471)
| [  206.669629][   T71] Tainted: [W]=WARN
[  206.669630][   T71] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[  206.669632][   T71] Workqueue: netns cleanup_net
[  206.669636][   T71] Call Trace:
[  206.669637][   T71]  <TASK>
[  206.669640][   T71]  dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120)
[  206.669646][   T71]  ? vprintk_emit (kernel/printk/printk.c:2471)
[  206.669648][   T71]  __might_resched.cold (kernel/sched/core.c:9234)
[  206.669652][   T71]  ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3))
[  206.669656][   T71]  ? __kmalloc_noprof (./include/linux/sched/mm.h:317 mm/slub.c:4636 mm/slub.c:4974 mm/slub.c:5413 mm/slub.c:5439)
[  206.669666][   T71]  __kmalloc_noprof (./include/linux/sched/mm.h:322 (discriminator 2) mm/slub.c:4636 (discriminator 2) mm/slub.c:4974 (discriminator 2) mm/slub.c:5413 (discriminator 2) mm/slub.c:5439 (discriminator 2))
[  206.669668][   T71]  ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[  206.669675][   T71]  ? do_raw_spin_unlock (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:32 ./include/asm-generic/qspinlock.h:58 kernel/locking/spinlock_debug.c:101 kernel/locking/spinlock_debug.c:141)
[  206.669678][   T71]  alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[  206.669682][   T71]  put_chars (drivers/char/virtio_console.c:1176)
[  206.669684][   T71]  ? __send_to_port (drivers/char/virtio_console.c:654)
[  206.669686][   T71]  ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4116 (discriminator 3) kernel/rcu/tree.c:4108 (discriminator 3))
[  206.669690][   T71]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380)
[  206.669692][   T71]  ? validate_chain (kernel/locking/lockdep.c:3817 (discriminator 2) kernel/locking/lockdep.c:3837 (discriminator 2) kernel/locking/lockdep.c:3892 (discriminator 2))
[  206.669698][   T71]  hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2))
[  206.669702][   T71]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[  206.669707][   T71]  ? hvc_write (drivers/tty/hvc/hvc_console.c:501)
[  206.669711][   T71]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  206.669716][   T71]  console_emit_next_record (kernel/printk/printk.c:3183)
[  206.669720][   T71]  ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20)
[  206.669722][   T71]  ? 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))
[  206.669725][   T71]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  206.669727][   T71]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  206.669731][   T71]  console_flush_one_record (kernel/printk/printk.c:3268)
[  206.669736][   T71]  ? console_emit_next_record (kernel/printk/printk.c:3150)
[  206.669738][   T71]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[  206.669743][   T71]  console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420)
[  206.669746][   T71]  ? console_flush_one_record (kernel/printk/printk.c:3316)
[  206.669748][   T71]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  206.669750][   T71]  ? 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)
[  206.669754][   T71]  ? __down_trylock_console_sem (kernel/printk/printk.c:334)
[  206.669756][   T71]  ? vprintk_emit (kernel/printk/printk.c:2478)
[  206.669759][   T71]  vprintk_emit (kernel/printk/printk.c:2479)
[  206.669762][   T71]  ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126))
[  206.669763][   T71]  ? cleanup_net (net/core/net_namespace.c:706)
[  206.669765][   T71]  ? worker_thread (kernel/workqueue.c:3470 kernel/workqueue.c:3551)
[  206.669767][   T71]  ? kthread (kernel/kthread.c:436)
[  206.669770][   T71]  ? ret_from_fork (arch/x86/kernel/process.c:158)
[  206.669773][   T71]  ? ret_from_fork_asm (arch/x86/entry/entry_64.S:245)
[  206.669778][   T71]  _printk (kernel/printk/printk.c:2504)
[  206.669781][   T71]  ? snapshot_read.cold (user.c:?)
[  206.669786][   T71]  ? netdev_name (./include/linux/netdevice.h:5709 (discriminator 1))
[  206.669790][   T71]  ? __netdev_printk (net/core/dev.c:13148 (discriminator 2))
[  206.669794][   T71]  netdev_info (net/core/dev.c:13195 (discriminator 3))
[  206.669797][   T71]  ? netdev_notice (net/core/dev.c:13194)
[  206.669802][   T71]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  206.669804][   T71]  ? __up_read (kernel/locking/rwsem.c:1397 (discriminator 1))
[  206.669806][   T71]  ? down_write_nested (kernel/locking/rwsem.c:1759)
[  206.669808][   T71]  ? 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)
[  206.669811][   T71]  netif_set_allmulti.cold (net/core/dev.c:9731 (discriminator 3))
[  206.669815][   T71]  dev_set_allmulti (net/core/dev_api.c:315)
[  206.669819][   T71]  del_nbp (net/bridge/br_if.c:253 net/bridge/br_if.c:341)
[  206.669823][   T71]  ? __up_write (kernel/locking/rwsem.c:1415)
[  206.669824][   T71]  ? __up_write (kernel/locking/rwsem.c:1422 (discriminator 1))
[  206.669828][   T71]  br_dev_delete (net/bridge/br_if.c:387)
[  206.669831][   T71]  br_net_exit_rtnl (net/bridge/br.c:414)
[  206.669835][   T71]  ops_undo_list (net/core/net_namespace.c:181 net/core/net_namespace.c:249)
[  206.669839][   T71]  ? lockdep_hardirqs_on (kernel/locking/lockdep.c:4488)
[  206.669843][   T71]  ? netns_install (./include/linux/ns_common.h:26)
[  206.669845][   T71]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554)
[  206.669848][   T71]  ? idr_destroy (lib/radix-tree.c:310 lib/radix-tree.c:674 lib/radix-tree.c:1563)
[  206.669853][   T71]  cleanup_net (net/core/net_namespace.c:706)
[  206.669856][   T71]  ? net_passive_dec (./include/linux/llist.h:241)
[  206.669860][   T71]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  206.669862][   T71]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  206.669866][   T71]  process_one_work (kernel/workqueue.c:3387)
[  206.669873][   T71]  ? __queue_delayed_work (kernel/workqueue.c:2622)
[  206.669876][   T71]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2))
[  206.669884][   T71]  worker_thread (kernel/workqueue.c:3470 kernel/workqueue.c:3551)
[  206.669888][   T71]  ? rescuer_thread (./include/linux/list.h:419 (discriminator 3))
[  206.669890][   T71]  ? __kthread_parkme (./include/linux/instrumented.h:82 ./include/asm-generic/bitops/instrumented-non-atomic.h:141 kernel/kthread.c:272)
[  206.669893][   T71]  ? rescuer_thread (./include/linux/list.h:419 (discriminator 3))
[  206.669896][   T71]  ? rescuer_thread (./include/linux/list.h:419 (discriminator 3))
[  206.669898][   T71]  kthread (kernel/kthread.c:436)
[  206.669900][   T71]  ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22))
[  206.669904][   T71]  ? kthread_affine_preferred (kernel/kthread.c:857)
[  206.669907][   T71]  ret_from_fork (arch/x86/kernel/process.c:158)
[  206.669909][   T71]  ? arch_exit_to_user_mode_prepare.isra.0 (arch/x86/entry/vdso/vma.c:80 (discriminator 1))
[  206.669913][   T71]  ? __switch_to (arch/x86/kernel/process_64.c:403 arch/x86/kernel/process_64.c:663)
[  206.669917][   T71]  ? kthread_affine_preferred (kernel/kthread.c:857)
[  206.669919][   T71]  ret_from_fork_asm (arch/x86/entry/entry_64.S:245)
| [  210.755438][ T5897] softirqs last disabled at (40590): __alloc_skb (./include/linux/bottom_half.h:20 (discriminator 2) net/core/skbuff.c:697 (discriminator 2))
| [  210.755440][ T5897] Preemption disabled at:
| [  210.755441][ T5897] vprintk_emit (kernel/printk/printk.c:2471)
| [  210.755450][ T5897] Tainted: [W]=WARN
[  210.755451][ T5897] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[  210.755453][ T5897] Call Trace:
[  210.755454][ T5897]  <TASK>
[  210.755456][ T5897]  dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120)
[  210.755462][ T5897]  ? vprintk_emit (kernel/printk/printk.c:2471)
[  210.755464][ T5897]  __might_resched.cold (kernel/sched/core.c:9234)
[  210.755468][ T5897]  ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3))
[  210.755472][ T5897]  ? __kmalloc_noprof (./include/linux/sched/mm.h:317 mm/slub.c:4636 mm/slub.c:4974 mm/slub.c:5413 mm/slub.c:5439)
[  210.755477][ T5897]  __kmalloc_noprof (./include/linux/sched/mm.h:322 (discriminator 2) mm/slub.c:4636 (discriminator 2) mm/slub.c:4974 (discriminator 2) mm/slub.c:5413 (discriminator 2) mm/slub.c:5439 (discriminator 2))
[  210.755479][ T5897]  ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[  210.755485][ T5897]  ? do_raw_spin_unlock (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:32 ./include/asm-generic/qspinlock.h:58 kernel/locking/spinlock_debug.c:101 kernel/locking/spinlock_debug.c:141)
[  210.755488][ T5897]  alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[  210.755492][ T5897]  put_chars (drivers/char/virtio_console.c:1176)
[  210.755494][ T5897]  ? __send_to_port (drivers/char/virtio_console.c:654)
[  210.755496][ T5897]  ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4116 (discriminator 3) kernel/rcu/tree.c:4108 (discriminator 3))
[  210.755499][ T5897]  ? validate_chain (kernel/locking/lockdep.c:3817 (discriminator 2) kernel/locking/lockdep.c:3837 (discriminator 2) kernel/locking/lockdep.c:3892 (discriminator 2))
[  210.755505][ T5897]  hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2))
[  210.755513][ T5897]  ? hvc_write (drivers/tty/hvc/hvc_console.c:501)
[  210.755516][ T5897]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  210.755518][ T5897]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  210.755522][ T5897]  console_emit_next_record (kernel/printk/printk.c:3183)
[  210.755527][ T5897]  ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20)
[  210.755528][ T5897]  ? 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))
[  210.755532][ T5897]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  210.755534][ T5897]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  210.755538][ T5897]  console_flush_one_record (kernel/printk/printk.c:3268)
[  210.755542][ T5897]  ? console_emit_next_record (kernel/printk/printk.c:3150)
[  210.755544][ T5897]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[  210.755549][ T5897]  console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420)
[  210.755553][ T5897]  ? console_flush_one_record (kernel/printk/printk.c:3316)
[  210.755554][ T5897]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  210.755556][ T5897]  ? 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)
[  210.755560][ T5897]  ? __down_trylock_console_sem (kernel/printk/printk.c:334)
[  210.755562][ T5897]  ? vprintk_emit (kernel/printk/printk.c:2478)
[  210.755565][ T5897]  vprintk_emit (kernel/printk/printk.c:2479)
[  210.755568][ T5897]  ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126))
[  210.755570][ T5897]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554)
[  210.755574][ T5897]  ? mark_held_locks (kernel/locking/lockdep.c:4341)
[  210.755580][ T5897]  _printk (kernel/printk/printk.c:2504)
[  210.755586][ T5897]  ? snapshot_read.cold (user.c:?)
[  210.755590][ T5897]  ? br_multicast_flood (??:?)
[  210.755593][ T5897]  ? do_setlink.isra.0 (net/core/rtnetlink.c:3273 (discriminator 1))
[  210.755594][ T5897]  ? rtnl_newlink (net/core/rtnetlink.c:4215)
[  210.755596][ T5897]  ? rtnetlink_rcv_msg (net/core/rtnetlink.c:7132)
[  210.755600][ T5897]  br_set_state (net/bridge/br_stp.c:57 (discriminator 2))
[  210.755604][ T5897]  br_init_port (net/bridge/br_stp_if.c:39)
[  210.755607][ T5897]  new_nbp (net/bridge/br_if.c:449)
[  210.755611][ T5897]  br_add_if (net/bridge/br_if.c:592)
[  210.755614][ T5897]  ? is_bpf_text_address (./include/linux/rcupdate.h:882 kernel/bpf/core.c:751)
[  210.755617][ T5897]  ? kernel_text_address (kernel/extable.c:125 kernel/extable.c:94)
[  210.755623][ T5897]  do_set_master (net/core/rtnetlink.c:3071)
[  210.755627][ T5897]  do_setlink.isra.0 (net/core/rtnetlink.c:3273 (discriminator 1))
[  210.755630][ T5897]  ? stack_trace_save (kernel/stacktrace.c:122 (discriminator 1))
[  210.755634][ T5897]  ? rtnl_link_get_size (net/core/rtnetlink.c:747)
[  210.755635][ T5897]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:388 kernel/rcu/update.c:380)
[  210.755638][ T5897]  ? stack_depot_save_flags (lib/stackdepot.c:609 (discriminator 2) lib/stackdepot.c:676 (discriminator 2))
[  210.755642][ T5897]  ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4116 (discriminator 3) kernel/rcu/tree.c:4108 (discriminator 3))
[  210.755644][ T5897]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380)
[  210.755646][ T5897]  ? validate_chain (kernel/locking/lockdep.c:3817 (discriminator 2) kernel/locking/lockdep.c:3837 (discriminator 2) kernel/locking/lockdep.c:3892 (discriminator 2))
[  210.755648][ T5897]  ? kasan_save_stack (mm/kasan/common.c:58)
[  210.755651][ T5897]  ? kasan_save_stack (mm/kasan/common.c:57)
[  210.755652][ T5897]  ? kasan_save_track (mm/kasan/common.c:78)
[  210.755653][ T5897]  ? __kasan_kmalloc (mm/kasan/common.c:398 mm/kasan/common.c:415)
[  210.755656][ T5897]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[  210.755658][ T5897]  ? snd_ac97_proc_read_main (sound/pci/ac97/ac97_proc.c:320)
[  210.755660][ T5897]  ? ___sys_sendmsg (net/socket.c:2758)
[  210.755666][ T5897]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2))
[  210.755668][ T5897]  ? rtnl_newlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:366 net/core/rtnetlink.c:4214)
[  210.755671][ T5897]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  210.755673][ T5897]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  210.755674][ T5897]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  210.755676][ T5897]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  210.755677][ T5897]  ? trace_contention_end (./include/trace/events/lock.h:121 (discriminator 22))
[  210.755680][ T5897]  ? __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)
[  210.755683][ T5897]  ? __mutex_lock (kernel/locking/mutex.c:656 (discriminator 1) kernel/locking/mutex.c:821 (discriminator 1))
[  210.755685][ T5897]  ? rtnl_newlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:366 net/core/rtnetlink.c:4214)
[  210.755688][ T5897]  ? ww_mutex_lock (kernel/locking/mutex.c:934)
[  210.755689][ T5897]  ? nla_get_range_signed (lib/nlattr.c:270)
[  210.755694][ T5897]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  210.755696][ T5897]  ? __rtnl_newlink (net/core/rtnetlink.c:4063)
[  210.755702][ T5897]  rtnl_newlink (net/core/rtnetlink.c:4215)
[  210.755707][ T5897]  ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558)
[  210.755709][ T5897]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[  210.755714][ T5897]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2))
[  210.755716][ T5897]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[  210.755718][ T5897]  ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558)
[  210.755720][ T5897]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554)
[  210.755724][ T5897]  ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558)
[  210.755726][ T5897]  rtnetlink_rcv_msg (net/core/rtnetlink.c:7132)
[  210.755729][ T5897]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[  210.755731][ T5897]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[  210.755735][ T5897]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2))
[  210.755737][ T5897]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[  210.755741][ T5897]  netlink_rcv_skb (net/netlink/af_netlink.c:2556)
[  210.755744][ T5897]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[  210.755747][ T5897]  ? netlink_ack (./include/linux/skbuff.h:2718)
[  210.755754][ T5897]  ? 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))
[  210.755756][ T5897]  ? 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))
[  210.755760][ T5897]  netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[  210.755764][ T5897]  ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[  210.755767][ T5897]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[  210.755771][ T5897]  netlink_sendmsg (net/netlink/af_netlink.c:1900)
[  210.755775][ T5897]  ? netlink_unicast (./include/net/net_namespace.h:422 (discriminator 7))
[  210.755779][ T5897]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554)
[  210.755781][ T5897]  ? __import_iovec (lib/iov_iter.c:1358 lib/iov_iter.c:1373)
[  210.755786][ T5897]  __sock_sendmsg (net/socket.c:800 (discriminator 4) net/socket.c:815 (discriminator 4))
[  210.755789][ T5897]  ____sys_sendmsg (net/socket.c:2713)
[  210.755791][ T5897]  ? copy_msghdr_from_user (net/socket.c:2650)
[  210.755794][ T5897]  ? sock_write_iter (net/socket.c:1269)
[  210.755795][ T5897]  ? move_addr_to_kernel (net/socket.c:258)
[  210.755803][ T5897]  ___sys_sendmsg (net/socket.c:2767)
[  210.755806][ T5897]  ? copy_msghdr_from_user (net/socket.c:2619)
[  210.755822][ T5897]  __sys_sendmsg (net/socket.c:2799)
[  210.755825][ T5897]  ? __sys_sendmsg_sock (net/socket.c:2780)
[  210.755832][ T5897]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  210.755835][ T5897]  do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84)
[  210.755838][ T5897]  ? exc_page_fault (arch/x86/mm/fault.c:1489 (discriminator 3) arch/x86/mm/fault.c:1536 (discriminator 3))
[  210.755841][ T5897]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[  210.755843][ T5897] RIP: 0033:0x7fa5bf9b054e
[  210.755847][ T5897] 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
[  210.755849][ T5897] RSP: 002b:00007ffcf323ef70 EFLAGS: 00000202 ORIG_RAX: 000000000000002e
[  210.755852][ T5897] RAX: ffffffffffffffda RBX: 0000000000000003 RCX: 00007fa5bf9b054e
[  210.755854][ T5897] RDX: 0000000000000000 RSI: 00007ffcf323f020 RDI: 0000000000000005
[  210.755854][ T5897] RBP: 00007ffcf323ef80 R08: 0000000000000000 R09: 0000000000000000
[  210.755855][ T5897] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a91a510
[  210.755856][ T5897] R13: 00000000004a1620 R14: 0000000000000000 R15: 00007ffcf323f6e0
| [  215.076784][   T71] softirqs last disabled at (6385435): __irq_exit_rcu (kernel/softirq.c:679 kernel/softirq.c:519 kernel/softirq.c:767)
| [  215.076787][   T71] Preemption disabled at:
| [  215.076787][   T71] vprintk_emit (kernel/printk/printk.c:2471)
| [  215.076796][   T71] Tainted: [W]=WARN
[  215.076797][   T71] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[  215.076799][   T71] Workqueue: netns cleanup_net
[  215.076802][   T71] Call Trace:
[  215.076804][   T71]  <TASK>
[  215.076806][   T71]  dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120)
[  215.076812][   T71]  ? vprintk_emit (kernel/printk/printk.c:2471)
[  215.076814][   T71]  __might_resched.cold (kernel/sched/core.c:9234)
[  215.076818][   T71]  ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3))
[  215.076822][   T71]  ? __kmalloc_noprof (./include/linux/sched/mm.h:317 mm/slub.c:4636 mm/slub.c:4974 mm/slub.c:5413 mm/slub.c:5439)
[  215.076827][   T71]  __kmalloc_noprof (./include/linux/sched/mm.h:322 (discriminator 2) mm/slub.c:4636 (discriminator 2) mm/slub.c:4974 (discriminator 2) mm/slub.c:5413 (discriminator 2) mm/slub.c:5439 (discriminator 2))
[  215.076829][   T71]  ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[  215.076836][   T71]  ? do_raw_spin_unlock (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:32 ./include/asm-generic/qspinlock.h:58 kernel/locking/spinlock_debug.c:101 kernel/locking/spinlock_debug.c:141)
[  215.076839][   T71]  alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[  215.076842][   T71]  put_chars (drivers/char/virtio_console.c:1176)
[  215.076845][   T71]  ? __send_to_port (drivers/char/virtio_console.c:654)
[  215.076846][   T71]  ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4116 (discriminator 3) kernel/rcu/tree.c:4108 (discriminator 3))
[  215.076850][   T71]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380)
[  215.076853][   T71]  ? validate_chain (kernel/locking/lockdep.c:3817 (discriminator 2) kernel/locking/lockdep.c:3837 (discriminator 2) kernel/locking/lockdep.c:3892 (discriminator 2))
[  215.076858][   T71]  hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2))
[  215.076862][   T71]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[  215.076868][   T71]  ? hvc_write (drivers/tty/hvc/hvc_console.c:501)
[  215.076872][   T71]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  215.076877][   T71]  console_emit_next_record (kernel/printk/printk.c:3183)
[  215.076881][   T71]  ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20)
[  215.076883][   T71]  ? 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))
[  215.076886][   T71]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  215.076888][   T71]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  215.076893][   T71]  console_flush_one_record (kernel/printk/printk.c:3268)
[  215.076897][   T71]  ? console_emit_next_record (kernel/printk/printk.c:3150)
[  215.076899][   T71]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[  215.076905][   T71]  console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420)
[  215.076908][   T71]  ? console_flush_one_record (kernel/printk/printk.c:3316)
[  215.076910][   T71]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  215.076912][   T71]  ? 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)
[  215.076915][   T71]  ? __down_trylock_console_sem (kernel/printk/printk.c:334)
[  215.076917][   T71]  ? vprintk_emit (kernel/printk/printk.c:2478)
[  215.076920][   T71]  vprintk_emit (kernel/printk/printk.c:2479)
[  215.076924][   T71]  ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126))
[  215.076925][   T71]  ? cleanup_net (net/core/net_namespace.c:706)
[  215.076927][   T71]  ? worker_thread (kernel/workqueue.c:3470 kernel/workqueue.c:3551)
[  215.076929][   T71]  ? kthread (kernel/kthread.c:436)
[  215.076931][   T71]  ? ret_from_fork (arch/x86/kernel/process.c:158)
[  215.076934][   T71]  ? ret_from_fork_asm (arch/x86/entry/entry_64.S:245)
[  215.076939][   T71]  _printk (kernel/printk/printk.c:2504)
[  215.076943][   T71]  ? snapshot_read.cold (user.c:?)
[  215.076948][   T71]  ? netdev_name (./include/linux/netdevice.h:5709 (discriminator 1))
[  215.076951][   T71]  ? __netdev_printk (net/core/dev.c:13148 (discriminator 2))
[  215.076956][   T71]  netdev_info (net/core/dev.c:13195 (discriminator 3))
[  215.076959][   T71]  ? netdev_notice (net/core/dev.c:13194)
[  215.076963][   T71]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  215.076965][   T71]  ? __up_read (kernel/locking/rwsem.c:1397 (discriminator 1))
[  215.076968][   T71]  ? down_write_nested (kernel/locking/rwsem.c:1759)
[  215.076970][   T71]  ? 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)
[  215.076972][   T71]  netif_set_allmulti.cold (net/core/dev.c:9731 (discriminator 3))
[  215.076977][   T71]  dev_set_allmulti (net/core/dev_api.c:315)
[  215.076980][   T71]  del_nbp (net/bridge/br_if.c:253 net/bridge/br_if.c:341)
[  215.076984][   T71]  ? __up_write (kernel/locking/rwsem.c:1415)
[  215.076985][   T71]  ? __up_write (kernel/locking/rwsem.c:1422 (discriminator 1))
[  215.076989][   T71]  br_dev_delete (net/bridge/br_if.c:387)
[  215.076993][   T71]  br_net_exit_rtnl (net/bridge/br.c:414)
[  215.076997][   T71]  ops_undo_list (net/core/net_namespace.c:181 net/core/net_namespace.c:249)
[  215.077000][   T71]  ? lockdep_hardirqs_on (kernel/locking/lockdep.c:4488)
[  215.077010][   T71]  ? netns_install (./include/linux/ns_common.h:26)
[  215.077011][   T71]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554)
[  215.077015][   T71]  ? idr_destroy (lib/radix-tree.c:310 lib/radix-tree.c:674 lib/radix-tree.c:1563)
[  215.077020][   T71]  cleanup_net (net/core/net_namespace.c:706)
[  215.077023][   T71]  ? net_passive_dec (./include/linux/llist.h:241)
[  215.077027][   T71]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  215.077029][   T71]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  215.077033][   T71]  process_one_work (kernel/workqueue.c:3387)
[  215.077040][   T71]  ? __queue_delayed_work (kernel/workqueue.c:2622)
[  215.077043][   T71]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2))
[  215.077051][   T71]  worker_thread (kernel/workqueue.c:3470 kernel/workqueue.c:3551)
[  215.077055][   T71]  ? rescuer_thread (./include/linux/list.h:419 (discriminator 3))
[  215.077058][   T71]  ? __kthread_parkme (./include/linux/instrumented.h:82 ./include/asm-generic/bitops/instrumented-non-atomic.h:141 kernel/kthread.c:272)
[  215.077060][   T71]  ? rescuer_thread (./include/linux/list.h:419 (discriminator 3))
[  215.077063][   T71]  ? rescuer_thread (./include/linux/list.h:419 (discriminator 3))
[  215.077066][   T71]  kthread (kernel/kthread.c:436)
[  215.077068][   T71]  ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22))
[  215.077071][   T71]  ? kthread_affine_preferred (kernel/kthread.c:857)
[  215.077074][   T71]  ret_from_fork (arch/x86/kernel/process.c:158)
[  215.077077][   T71]  ? arch_exit_to_user_mode_prepare.isra.0 (arch/x86/entry/vdso/vma.c:80 (discriminator 1))
[  215.077080][   T71]  ? __switch_to (arch/x86/kernel/process_64.c:403 arch/x86/kernel/process_64.c:663)
[  215.077084][   T71]  ? kthread_affine_preferred (kernel/kthread.c:857)
[  215.077087][   T71]  ret_from_fork_asm (arch/x86/entry/entry_64.S:245)
| [  218.897679][ T6099] softirqs last disabled at (36064): __alloc_skb (./include/linux/bottom_half.h:20 (discriminator 2) net/core/skbuff.c:697 (discriminator 2))
| [  218.897682][ T6099] Preemption disabled at:
| [  218.897682][ T6099] vprintk_emit (kernel/printk/printk.c:2471)
| [  218.897692][ T6099] Tainted: [W]=WARN
[  218.897693][ T6099] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[  218.897694][ T6099] Call Trace:
[  218.897696][ T6099]  <TASK>
[  218.897698][ T6099]  dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120)
[  218.897704][ T6099]  ? vprintk_emit (kernel/printk/printk.c:2471)
[  218.897706][ T6099]  __might_resched.cold (kernel/sched/core.c:9234)
[  218.897710][ T6099]  ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3))
[  218.897714][ T6099]  ? __kmalloc_noprof (./include/linux/sched/mm.h:317 mm/slub.c:4636 mm/slub.c:4974 mm/slub.c:5413 mm/slub.c:5439)
[  218.897719][ T6099]  __kmalloc_noprof (./include/linux/sched/mm.h:322 (discriminator 2) mm/slub.c:4636 (discriminator 2) mm/slub.c:4974 (discriminator 2) mm/slub.c:5413 (discriminator 2) mm/slub.c:5439 (discriminator 2))
[  218.897721][ T6099]  ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[  218.897728][ T6099]  ? do_raw_spin_unlock (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:32 ./include/asm-generic/qspinlock.h:58 kernel/locking/spinlock_debug.c:101 kernel/locking/spinlock_debug.c:141)
[  218.897730][ T6099]  alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[  218.897734][ T6099]  put_chars (drivers/char/virtio_console.c:1176)
[  218.897737][ T6099]  ? __send_to_port (drivers/char/virtio_console.c:654)
[  218.897738][ T6099]  ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4116 (discriminator 3) kernel/rcu/tree.c:4108 (discriminator 3))
[  218.897742][ T6099]  ? validate_chain (kernel/locking/lockdep.c:3817 (discriminator 2) kernel/locking/lockdep.c:3837 (discriminator 2) kernel/locking/lockdep.c:3892 (discriminator 2))
[  218.897747][ T6099]  hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2))
[  218.897755][ T6099]  ? hvc_write (drivers/tty/hvc/hvc_console.c:501)
[  218.897758][ T6099]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  218.897760][ T6099]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  218.897764][ T6099]  console_emit_next_record (kernel/printk/printk.c:3183)
[  218.897768][ T6099]  ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20)
[  218.897770][ T6099]  ? 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))
[  218.897773][ T6099]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  218.897775][ T6099]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  218.897779][ T6099]  console_flush_one_record (kernel/printk/printk.c:3268)
[  218.897783][ T6099]  ? console_emit_next_record (kernel/printk/printk.c:3150)
[  218.897785][ T6099]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[  218.897790][ T6099]  console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420)
[  218.897793][ T6099]  ? console_flush_one_record (kernel/printk/printk.c:3316)
[  218.897795][ T6099]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  218.897797][ T6099]  ? 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)
[  218.897801][ T6099]  ? __down_trylock_console_sem (kernel/printk/printk.c:334)
[  218.897803][ T6099]  ? vprintk_emit (kernel/printk/printk.c:2478)
[  218.897806][ T6099]  vprintk_emit (kernel/printk/printk.c:2479)
[  218.897809][ T6099]  ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126))
[  218.897811][ T6099]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554)
[  218.897813][ T6099]  ? mark_held_locks (kernel/locking/lockdep.c:4341)
[  218.897817][ T6099]  _printk (kernel/printk/printk.c:2504)
[  218.897821][ T6099]  ? snapshot_read.cold (user.c:?)
[  218.897825][ T6099]  ? br_multicast_flood (??:?)
[  218.897828][ T6099]  ? do_setlink.isra.0 (net/core/rtnetlink.c:3273 (discriminator 1))
[  218.897829][ T6099]  ? rtnl_newlink (net/core/rtnetlink.c:4215)
[  218.897831][ T6099]  ? rtnetlink_rcv_msg (net/core/rtnetlink.c:7132)
[  218.897835][ T6099]  br_set_state (net/bridge/br_stp.c:57 (discriminator 2))
[  218.897839][ T6099]  br_init_port (net/bridge/br_stp_if.c:39)
[  218.897842][ T6099]  new_nbp (net/bridge/br_if.c:449)
[  218.897845][ T6099]  br_add_if (net/bridge/br_if.c:592)
[  218.897848][ T6099]  ? is_bpf_text_address (./include/linux/rcupdate.h:882 kernel/bpf/core.c:751)
[  218.897852][ T6099]  ? kernel_text_address (kernel/extable.c:125 kernel/extable.c:94)
[  218.897857][ T6099]  do_set_master (net/core/rtnetlink.c:3071)
[  218.897861][ T6099]  do_setlink.isra.0 (net/core/rtnetlink.c:3273 (discriminator 1))
[  218.897865][ T6099]  ? stack_trace_save (kernel/stacktrace.c:122 (discriminator 1))
[  218.897868][ T6099]  ? rtnl_link_get_size (net/core/rtnetlink.c:747)
[  218.897870][ T6099]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:388 kernel/rcu/update.c:380)
[  218.897872][ T6099]  ? stack_depot_save_flags (lib/stackdepot.c:609 (discriminator 2) lib/stackdepot.c:676 (discriminator 2))
[  218.897876][ T6099]  ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4116 (discriminator 3) kernel/rcu/tree.c:4108 (discriminator 3))
[  218.897878][ T6099]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380)
[  218.897880][ T6099]  ? validate_chain (kernel/locking/lockdep.c:3817 (discriminator 2) kernel/locking/lockdep.c:3837 (discriminator 2) kernel/locking/lockdep.c:3892 (discriminator 2))
[  218.897882][ T6099]  ? kasan_save_stack (mm/kasan/common.c:58)
[  218.897884][ T6099]  ? kasan_save_stack (mm/kasan/common.c:57)
[  218.897886][ T6099]  ? kasan_save_track (mm/kasan/common.c:78)
[  218.897887][ T6099]  ? __kasan_kmalloc (mm/kasan/common.c:398 mm/kasan/common.c:415)
[  218.897889][ T6099]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[  218.897891][ T6099]  ? snd_ac97_proc_read_main (sound/pci/ac97/ac97_proc.c:320)
[  218.897894][ T6099]  ? ___sys_sendmsg (net/socket.c:2758)
[  218.897898][ T6099]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2))
[  218.897900][ T6099]  ? rtnl_newlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:366 net/core/rtnetlink.c:4214)
[  218.897903][ T6099]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  218.897904][ T6099]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  218.897906][ T6099]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  218.897907][ T6099]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  218.897909][ T6099]  ? trace_contention_end (./include/trace/events/lock.h:121 (discriminator 22))
[  218.897911][ T6099]  ? __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)
[  218.897914][ T6099]  ? __mutex_lock (kernel/locking/mutex.c:656 (discriminator 1) kernel/locking/mutex.c:821 (discriminator 1))
[  218.897916][ T6099]  ? rtnl_newlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:366 net/core/rtnetlink.c:4214)
[  218.897920][ T6099]  ? ww_mutex_lock (kernel/locking/mutex.c:934)
[  218.897921][ T6099]  ? nla_get_range_signed (lib/nlattr.c:270)
[  218.897926][ T6099]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  218.897928][ T6099]  ? __rtnl_newlink (net/core/rtnetlink.c:4063)
[  218.897934][ T6099]  rtnl_newlink (net/core/rtnetlink.c:4215)
[  218.897939][ T6099]  ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558)
[  218.897941][ T6099]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[  218.897945][ T6099]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2))
[  218.897947][ T6099]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[  218.897950][ T6099]  ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558)
[  218.897952][ T6099]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554)
[  218.897955][ T6099]  ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558)
[  218.897957][ T6099]  rtnetlink_rcv_msg (net/core/rtnetlink.c:7132)
[  218.897961][ T6099]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[  218.897962][ T6099]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[  218.897966][ T6099]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2))
[  218.897968][ T6099]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[  218.897972][ T6099]  netlink_rcv_skb (net/netlink/af_netlink.c:2556)
[  218.897975][ T6099]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[  218.897978][ T6099]  ? netlink_ack (./include/linux/skbuff.h:2718)
[  218.897985][ T6099]  ? 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))
[  218.897987][ T6099]  ? 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))
[  218.897991][ T6099]  netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[  218.897995][ T6099]  ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[  218.897998][ T6099]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[  218.898002][ T6099]  netlink_sendmsg (net/netlink/af_netlink.c:1900)
[  218.898006][ T6099]  ? netlink_unicast (./include/net/net_namespace.h:422 (discriminator 7))
[  218.898010][ T6099]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554)
[  218.898012][ T6099]  ? __import_iovec (lib/iov_iter.c:1358 lib/iov_iter.c:1373)
[  218.898017][ T6099]  __sock_sendmsg (net/socket.c:800 (discriminator 4) net/socket.c:815 (discriminator 4))
[  218.898020][ T6099]  ____sys_sendmsg (net/socket.c:2713)
[  218.898022][ T6099]  ? copy_msghdr_from_user (net/socket.c:2650)
[  218.898024][ T6099]  ? sock_write_iter (net/socket.c:1269)
[  218.898026][ T6099]  ? move_addr_to_kernel (net/socket.c:258)
[  218.898039][ T6099]  ___sys_sendmsg (net/socket.c:2767)
[  218.898042][ T6099]  ? copy_msghdr_from_user (net/socket.c:2619)
[  218.898058][ T6099]  __sys_sendmsg (net/socket.c:2799)
[  218.898061][ T6099]  ? __sys_sendmsg_sock (net/socket.c:2780)
[  218.898067][ T6099]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  218.898071][ T6099]  do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84)
[  218.898074][ T6099]  ? exc_page_fault (arch/x86/mm/fault.c:1489 (discriminator 3) arch/x86/mm/fault.c:1536 (discriminator 3))
[  218.898077][ T6099]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[  218.898079][ T6099] RIP: 0033:0x7f27b45d954e
[  218.898083][ T6099] 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
[  218.898084][ T6099] RSP: 002b:00007ffd9991e6c0 EFLAGS: 00000202 ORIG_RAX: 000000000000002e
[  218.898087][ T6099] RAX: ffffffffffffffda RBX: 0000000000000003 RCX: 00007f27b45d954e
[  218.898089][ T6099] RDX: 0000000000000000 RSI: 00007ffd9991e770 RDI: 0000000000000005
[  218.898090][ T6099] RBP: 00007ffd9991e6d0 R08: 0000000000000000 R09: 0000000000000000
[  218.898090][ T6099] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a91a518
[  218.898091][ T6099] R13: 00000000004a1620 R14: 0000000000000000 R15: 00007ffd9991ee30
| [  223.184705][   T71] softirqs last disabled at (6588904): netlink_release (./include/net/sock.h:2138 net/netlink/af_netlink.c:727)
| [  223.184707][   T71] Preemption disabled at:
| [  223.184708][   T71] vprintk_emit (kernel/printk/printk.c:2471)
| [  223.184717][   T71] Tainted: [W]=WARN
[  223.184718][   T71] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[  223.184719][   T71] Workqueue: netns cleanup_net
[  223.184723][   T71] Call Trace:
[  223.184724][   T71]  <TASK>
[  223.184726][   T71]  dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120)
[  223.184732][   T71]  ? vprintk_emit (kernel/printk/printk.c:2471)
[  223.184734][   T71]  __might_resched.cold (kernel/sched/core.c:9234)
[  223.184739][   T71]  ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3))
[  223.184743][   T71]  ? __kmalloc_noprof (./include/linux/sched/mm.h:317 mm/slub.c:4636 mm/slub.c:4974 mm/slub.c:5413 mm/slub.c:5439)
[  223.184747][   T71]  __kmalloc_noprof (./include/linux/sched/mm.h:322 (discriminator 2) mm/slub.c:4636 (discriminator 2) mm/slub.c:4974 (discriminator 2) mm/slub.c:5413 (discriminator 2) mm/slub.c:5439 (discriminator 2))
[  223.184749][   T71]  ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[  223.184756][   T71]  ? do_raw_spin_unlock (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:32 ./include/asm-generic/qspinlock.h:58 kernel/locking/spinlock_debug.c:101 kernel/locking/spinlock_debug.c:141)
[  223.184759][   T71]  alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[  223.184763][   T71]  put_chars (drivers/char/virtio_console.c:1176)
[  223.184766][   T71]  ? __send_to_port (drivers/char/virtio_console.c:654)
[  223.184767][   T71]  ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4116 (discriminator 3) kernel/rcu/tree.c:4108 (discriminator 3))
[  223.184771][   T71]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380)
[  223.184774][   T71]  ? validate_chain (kernel/locking/lockdep.c:3817 (discriminator 2) kernel/locking/lockdep.c:3837 (discriminator 2) kernel/locking/lockdep.c:3892 (discriminator 2))
[  223.184779][   T71]  hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2))
[  223.184783][   T71]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[  223.184789][   T71]  ? hvc_write (drivers/tty/hvc/hvc_console.c:501)
[  223.184792][   T71]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  223.184797][   T71]  console_emit_next_record (kernel/printk/printk.c:3183)
[  223.184801][   T71]  ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20)
[  223.184803][   T71]  ? 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))
[  223.184807][   T71]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  223.184808][   T71]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  223.184813][   T71]  console_flush_one_record (kernel/printk/printk.c:3268)
[  223.184817][   T71]  ? console_emit_next_record (kernel/printk/printk.c:3150)
[  223.184819][   T71]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[  223.184825][   T71]  console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420)
[  223.184828][   T71]  ? console_flush_one_record (kernel/printk/printk.c:3316)
[  223.184830][   T71]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  223.184832][   T71]  ? 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)
[  223.184836][   T71]  ? __down_trylock_console_sem (kernel/printk/printk.c:334)
[  223.184838][   T71]  ? vprintk_emit (kernel/printk/printk.c:2478)
[  223.184841][   T71]  vprintk_emit (kernel/printk/printk.c:2479)
[  223.184844][   T71]  ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126))
[  223.184845][   T71]  ? cleanup_net (net/core/net_namespace.c:706)
[  223.184847][   T71]  ? worker_thread (kernel/workqueue.c:3470 kernel/workqueue.c:3551)
[  223.184849][   T71]  ? kthread (kernel/kthread.c:436)
[  223.184852][   T71]  ? ret_from_fork (arch/x86/kernel/process.c:158)
[  223.184855][   T71]  ? ret_from_fork_asm (arch/x86/entry/entry_64.S:245)
[  223.184860][   T71]  _printk (kernel/printk/printk.c:2504)
[  223.184864][   T71]  ? snapshot_read.cold (user.c:?)
[  223.184868][   T71]  ? netdev_name (./include/linux/netdevice.h:5709 (discriminator 1))
[  223.184872][   T71]  ? __netdev_printk (net/core/dev.c:13148 (discriminator 2))
[  223.184876][   T71]  netdev_info (net/core/dev.c:13195 (discriminator 3))
[  223.184879][   T71]  ? netdev_notice (net/core/dev.c:13194)
[  223.184884][   T71]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  223.184886][   T71]  ? __up_read (kernel/locking/rwsem.c:1397 (discriminator 1))
[  223.184888][   T71]  ? down_write_nested (kernel/locking/rwsem.c:1759)
[  223.184890][   T71]  ? 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)
[  223.184893][   T71]  netif_set_allmulti.cold (net/core/dev.c:9731 (discriminator 3))
[  223.184897][   T71]  dev_set_allmulti (net/core/dev_api.c:315)
[  223.184901][   T71]  del_nbp (net/bridge/br_if.c:253 net/bridge/br_if.c:341)
[  223.184904][   T71]  ? __up_write (kernel/locking/rwsem.c:1415)
[  223.184906][   T71]  ? __up_write (kernel/locking/rwsem.c:1422 (discriminator 1))
[  223.184910][   T71]  br_dev_delete (net/bridge/br_if.c:387)
[  223.184913][   T71]  br_net_exit_rtnl (net/bridge/br.c:414)
[  223.184917][   T71]  ops_undo_list (net/core/net_namespace.c:181 net/core/net_namespace.c:249)
[  223.184921][   T71]  ? lockdep_hardirqs_on (kernel/locking/lockdep.c:4488)
[  223.184925][   T71]  ? netns_install (./include/linux/ns_common.h:26)
[  223.184926][   T71]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554)
[  223.184930][   T71]  ? idr_destroy (lib/radix-tree.c:310 lib/radix-tree.c:674 lib/radix-tree.c:1563)
[  223.184935][   T71]  cleanup_net (net/core/net_namespace.c:706)
[  223.184938][   T71]  ? net_passive_dec (./include/linux/llist.h:241)
[  223.184942][   T71]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  223.184944][   T71]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  223.184948][   T71]  process_one_work (kernel/workqueue.c:3387)
[  223.184955][   T71]  ? __queue_delayed_work (kernel/workqueue.c:2622)
[  223.184958][   T71]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2))
[  223.184966][   T71]  worker_thread (kernel/workqueue.c:3470 kernel/workqueue.c:3551)
[  223.184970][   T71]  ? rescuer_thread (./include/linux/list.h:419 (discriminator 3))
[  223.184973][   T71]  ? __kthread_parkme (./include/linux/instrumented.h:82 ./include/asm-generic/bitops/instrumented-non-atomic.h:141 kernel/kthread.c:272)
[  223.184975][   T71]  ? rescuer_thread (./include/linux/list.h:419 (discriminator 3))
[  223.184978][   T71]  ? rescuer_thread (./include/linux/list.h:419 (discriminator 3))
[  223.184981][   T71]  kthread (kernel/kthread.c:436)
[  223.184982][   T71]  ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22))
[  223.184986][   T71]  ? kthread_affine_preferred (kernel/kthread.c:857)
[  223.184989][   T71]  ret_from_fork (arch/x86/kernel/process.c:158)
[  223.184992][   T71]  ? arch_exit_to_user_mode_prepare.isra.0 (arch/x86/entry/vdso/vma.c:80 (discriminator 1))
[  223.184995][   T71]  ? __switch_to (arch/x86/kernel/process_64.c:403 arch/x86/kernel/process_64.c:663)
[  223.184999][   T71]  ? kthread_affine_preferred (kernel/kthread.c:857)
[  223.185002][   T71]  ret_from_fork_asm (arch/x86/entry/entry_64.S:245)
| [  227.397405][ T6313] softirqs last disabled at (36046): __alloc_skb (./include/linux/bottom_half.h:20 (discriminator 2) net/core/skbuff.c:697 (discriminator 2))
| [  227.397408][ T6313] Preemption disabled at:
| [  227.397408][ T6313] vprintk_emit (kernel/printk/printk.c:2471)
| [  227.397418][ T6313] Tainted: [W]=WARN
[  227.397419][ T6313] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[  227.397420][ T6313] Call Trace:
[  227.397422][ T6313]  <TASK>
[  227.397423][ T6313]  dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120)
[  227.397430][ T6313]  ? vprintk_emit (kernel/printk/printk.c:2471)
[  227.397431][ T6313]  __might_resched.cold (kernel/sched/core.c:9234)
[  227.397436][ T6313]  ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3))
[  227.397440][ T6313]  ? __kmalloc_noprof (./include/linux/sched/mm.h:317 mm/slub.c:4636 mm/slub.c:4974 mm/slub.c:5413 mm/slub.c:5439)
[  227.397445][ T6313]  __kmalloc_noprof (./include/linux/sched/mm.h:322 (discriminator 2) mm/slub.c:4636 (discriminator 2) mm/slub.c:4974 (discriminator 2) mm/slub.c:5413 (discriminator 2) mm/slub.c:5439 (discriminator 2))
[  227.397447][ T6313]  ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[  227.397453][ T6313]  ? do_raw_spin_unlock (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:32 ./include/asm-generic/qspinlock.h:58 kernel/locking/spinlock_debug.c:101 kernel/locking/spinlock_debug.c:141)
[  227.397456][ T6313]  alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[  227.397460][ T6313]  put_chars (drivers/char/virtio_console.c:1176)
[  227.397462][ T6313]  ? __send_to_port (drivers/char/virtio_console.c:654)
[  227.397464][ T6313]  ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4116 (discriminator 3) kernel/rcu/tree.c:4108 (discriminator 3))
[  227.397467][ T6313]  ? validate_chain (kernel/locking/lockdep.c:3817 (discriminator 2) kernel/locking/lockdep.c:3837 (discriminator 2) kernel/locking/lockdep.c:3892 (discriminator 2))
[  227.397473][ T6313]  hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2))
[  227.397481][ T6313]  ? hvc_write (drivers/tty/hvc/hvc_console.c:501)
[  227.397484][ T6313]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  227.397486][ T6313]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  227.397490][ T6313]  console_emit_next_record (kernel/printk/printk.c:3183)
[  227.397495][ T6313]  ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20)
[  227.397497][ T6313]  ? 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))
[  227.397500][ T6313]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  227.397502][ T6313]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  227.397506][ T6313]  console_flush_one_record (kernel/printk/printk.c:3268)
[  227.397510][ T6313]  ? console_emit_next_record (kernel/printk/printk.c:3150)
[  227.397512][ T6313]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[  227.397518][ T6313]  console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420)
[  227.397521][ T6313]  ? console_flush_one_record (kernel/printk/printk.c:3316)
[  227.397523][ T6313]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  227.397525][ T6313]  ? 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)
[  227.397529][ T6313]  ? __down_trylock_console_sem (kernel/printk/printk.c:334)
[  227.397530][ T6313]  ? vprintk_emit (kernel/printk/printk.c:2478)
[  227.397533][ T6313]  vprintk_emit (kernel/printk/printk.c:2479)
[  227.397537][ T6313]  ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126))
[  227.397539][ T6313]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554)
[  227.397541][ T6313]  ? mark_held_locks (kernel/locking/lockdep.c:4341)
[  227.397545][ T6313]  _printk (kernel/printk/printk.c:2504)
[  227.397549][ T6313]  ? snapshot_read.cold (user.c:?)
[  227.397553][ T6313]  ? br_multicast_flood (??:?)
[  227.397556][ T6313]  ? do_setlink.isra.0 (net/core/rtnetlink.c:3273 (discriminator 1))
[  227.397558][ T6313]  ? rtnl_newlink (net/core/rtnetlink.c:4215)
[  227.397559][ T6313]  ? rtnetlink_rcv_msg (net/core/rtnetlink.c:7132)
[  227.397564][ T6313]  br_set_state (net/bridge/br_stp.c:57 (discriminator 2))
[  227.397568][ T6313]  br_init_port (net/bridge/br_stp_if.c:39)
[  227.397571][ T6313]  new_nbp (net/bridge/br_if.c:449)
[  227.397577][ T6313]  br_add_if (net/bridge/br_if.c:592)
[  227.397581][ T6313]  ? is_bpf_text_address (./include/linux/rcupdate.h:882 kernel/bpf/core.c:751)
[  227.397585][ T6313]  ? kernel_text_address (kernel/extable.c:125 kernel/extable.c:94)
[  227.397595][ T6313]  do_set_master (net/core/rtnetlink.c:3071)
[  227.397601][ T6313]  do_setlink.isra.0 (net/core/rtnetlink.c:3273 (discriminator 1))
[  227.397607][ T6313]  ? stack_trace_save (kernel/stacktrace.c:122 (discriminator 1))
[  227.397613][ T6313]  ? rtnl_link_get_size (net/core/rtnetlink.c:747)
[  227.397615][ T6313]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:388 kernel/rcu/update.c:380)
[  227.397619][ T6313]  ? stack_depot_save_flags (lib/stackdepot.c:609 (discriminator 2) lib/stackdepot.c:676 (discriminator 2))
[  227.397624][ T6313]  ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4116 (discriminator 3) kernel/rcu/tree.c:4108 (discriminator 3))
[  227.397628][ T6313]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380)
[  227.397631][ T6313]  ? validate_chain (kernel/locking/lockdep.c:3817 (discriminator 2) kernel/locking/lockdep.c:3837 (discriminator 2) kernel/locking/lockdep.c:3892 (discriminator 2))
[  227.397635][ T6313]  ? kasan_save_stack (mm/kasan/common.c:58)
[  227.397638][ T6313]  ? kasan_save_stack (mm/kasan/common.c:57)
[  227.397640][ T6313]  ? kasan_save_track (mm/kasan/common.c:78)
[  227.397642][ T6313]  ? __kasan_kmalloc (mm/kasan/common.c:398 mm/kasan/common.c:415)
[  227.397647][ T6313]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[  227.397650][ T6313]  ? snd_ac97_proc_read_main (sound/pci/ac97/ac97_proc.c:320)
[  227.397654][ T6313]  ? ___sys_sendmsg (net/socket.c:2758)
[  227.397660][ T6313]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2))
[  227.397666][ T6313]  ? rtnl_newlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:366 net/core/rtnetlink.c:4214)
[  227.397671][ T6313]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  227.397674][ T6313]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  227.397676][ T6313]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  227.397678][ T6313]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  227.397681][ T6313]  ? trace_contention_end (./include/trace/events/lock.h:121 (discriminator 22))
[  227.397685][ T6313]  ? __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)
[  227.397689][ T6313]  ? __mutex_lock (kernel/locking/mutex.c:656 (discriminator 1) kernel/locking/mutex.c:821 (discriminator 1))
[  227.397693][ T6313]  ? rtnl_newlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:366 net/core/rtnetlink.c:4214)
[  227.397699][ T6313]  ? ww_mutex_lock (kernel/locking/mutex.c:934)
[  227.397701][ T6313]  ? nla_get_range_signed (lib/nlattr.c:270)
[  227.397710][ T6313]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  227.397714][ T6313]  ? __rtnl_newlink (net/core/rtnetlink.c:4063)
[  227.397723][ T6313]  rtnl_newlink (net/core/rtnetlink.c:4215)
[  227.397733][ T6313]  ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558)
[  227.397736][ T6313]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[  227.397744][ T6313]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2))
[  227.397748][ T6313]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[  227.397752][ T6313]  ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558)
[  227.397755][ T6313]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554)
[  227.397762][ T6313]  ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558)
[  227.397765][ T6313]  rtnetlink_rcv_msg (net/core/rtnetlink.c:7132)
[  227.397771][ T6313]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[  227.397773][ T6313]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[  227.397781][ T6313]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2))
[  227.397784][ T6313]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[  227.397790][ T6313]  netlink_rcv_skb (net/netlink/af_netlink.c:2556)
[  227.397794][ T6313]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[  227.397800][ T6313]  ? netlink_ack (./include/linux/skbuff.h:2718)
[  227.397811][ T6313]  ? 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))
[  227.397815][ T6313]  ? 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))
[  227.397823][ T6313]  netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[  227.397830][ T6313]  ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[  227.397834][ T6313]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[  227.397842][ T6313]  netlink_sendmsg (net/netlink/af_netlink.c:1900)
[  227.397849][ T6313]  ? netlink_unicast (./include/net/net_namespace.h:422 (discriminator 7))
[  227.397856][ T6313]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554)
[  227.397859][ T6313]  ? __import_iovec (lib/iov_iter.c:1358 lib/iov_iter.c:1373)
[  227.397868][ T6313]  __sock_sendmsg (net/socket.c:800 (discriminator 4) net/socket.c:815 (discriminator 4))
[  227.397873][ T6313]  ____sys_sendmsg (net/socket.c:2713)
[  227.397877][ T6313]  ? copy_msghdr_from_user (net/socket.c:2650)
[  227.397881][ T6313]  ? sock_write_iter (net/socket.c:1269)
[  227.397883][ T6313]  ? move_addr_to_kernel (net/socket.c:258)
[  227.397897][ T6313]  ___sys_sendmsg (net/socket.c:2767)
[  227.397902][ T6313]  ? copy_msghdr_from_user (net/socket.c:2619)
[  227.397932][ T6313]  __sys_sendmsg (net/socket.c:2799)
[  227.397937][ T6313]  ? __sys_sendmsg_sock (net/socket.c:2780)
[  227.397949][ T6313]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  227.397954][ T6313]  do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84)
[  227.397959][ T6313]  ? exc_page_fault (arch/x86/mm/fault.c:1489 (discriminator 3) arch/x86/mm/fault.c:1536 (discriminator 3))
[  227.397963][ T6313]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[  227.397966][ T6313] RIP: 0033:0x7ff3fc4ca54e
[  227.397972][ T6313] 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
[  227.397974][ T6313] RSP: 002b:00007ffe123cf130 EFLAGS: 00000202 ORIG_RAX: 000000000000002e
[  227.397978][ T6313] RAX: ffffffffffffffda RBX: 0000000000000003 RCX: 00007ff3fc4ca54e
[  227.397980][ T6313] RDX: 0000000000000000 RSI: 00007ffe123cf1e0 RDI: 0000000000000005
[  227.397982][ T6313] RBP: 00007ffe123cf140 R08: 0000000000000000 R09: 0000000000000000
[  227.397983][ T6313] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a91a520
[  227.397985][ T6313] R13: 00000000004a1620 R14: 0000000000000000 R15: 00007ffe123cf8a0
| [  231.875954][   T71] softirqs last disabled at (6796397): __irq_exit_rcu (kernel/softirq.c:679 kernel/softirq.c:519 kernel/softirq.c:767)
| [  231.875956][   T71] Preemption disabled at:
| [  231.875957][   T71] vprintk_emit (kernel/printk/printk.c:2471)
| [  231.875966][   T71] Tainted: [W]=WARN
[  231.875967][   T71] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[  231.875968][   T71] Workqueue: netns cleanup_net
[  231.875972][   T71] Call Trace:
[  231.875973][   T71]  <TASK>
[  231.875976][   T71]  dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120)
[  231.875982][   T71]  ? vprintk_emit (kernel/printk/printk.c:2471)
[  231.875984][   T71]  __might_resched.cold (kernel/sched/core.c:9234)
[  231.875989][   T71]  ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3))
[  231.875993][   T71]  ? __kmalloc_noprof (./include/linux/sched/mm.h:317 mm/slub.c:4636 mm/slub.c:4974 mm/slub.c:5413 mm/slub.c:5439)
[  231.875998][   T71]  __kmalloc_noprof (./include/linux/sched/mm.h:322 (discriminator 2) mm/slub.c:4636 (discriminator 2) mm/slub.c:4974 (discriminator 2) mm/slub.c:5413 (discriminator 2) mm/slub.c:5439 (discriminator 2))
[  231.876000][   T71]  ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[  231.876006][   T71]  ? do_raw_spin_unlock (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:32 ./include/asm-generic/qspinlock.h:58 kernel/locking/spinlock_debug.c:101 kernel/locking/spinlock_debug.c:141)
[  231.876009][   T71]  alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[  231.876013][   T71]  put_chars (drivers/char/virtio_console.c:1176)
[  231.876015][   T71]  ? __send_to_port (drivers/char/virtio_console.c:654)
[  231.876017][   T71]  ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4116 (discriminator 3) kernel/rcu/tree.c:4108 (discriminator 3))
[  231.876021][   T71]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380)
[  231.876024][   T71]  ? validate_chain (kernel/locking/lockdep.c:3817 (discriminator 2) kernel/locking/lockdep.c:3837 (discriminator 2) kernel/locking/lockdep.c:3892 (discriminator 2))
[  231.876029][   T71]  hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2))
[  231.876033][   T71]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[  231.876038][   T71]  ? hvc_write (drivers/tty/hvc/hvc_console.c:501)
[  231.876041][   T71]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  231.876046][   T71]  console_emit_next_record (kernel/printk/printk.c:3183)
[  231.876050][   T71]  ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20)
[  231.876052][   T71]  ? 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))
[  231.876056][   T71]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  231.876058][   T71]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  231.876062][   T71]  console_flush_one_record (kernel/printk/printk.c:3268)
[  231.876066][   T71]  ? console_emit_next_record (kernel/printk/printk.c:3150)
[  231.876068][   T71]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[  231.876074][   T71]  console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420)
[  231.876077][   T71]  ? console_flush_one_record (kernel/printk/printk.c:3316)
[  231.876079][   T71]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  231.876081][   T71]  ? 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)
[  231.876085][   T71]  ? __down_trylock_console_sem (kernel/printk/printk.c:334)
[  231.876087][   T71]  ? vprintk_emit (kernel/printk/printk.c:2478)
[  231.876090][   T71]  vprintk_emit (kernel/printk/printk.c:2479)
[  231.876093][   T71]  ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126))
[  231.876094][   T71]  ? cleanup_net (net/core/net_namespace.c:706)
[  231.876096][   T71]  ? worker_thread (kernel/workqueue.c:3470 kernel/workqueue.c:3551)
[  231.876098][   T71]  ? kthread (kernel/kthread.c:436)
[  231.876100][   T71]  ? ret_from_fork (arch/x86/kernel/process.c:158)
[  231.876103][   T71]  ? ret_from_fork_asm (arch/x86/entry/entry_64.S:245)
[  231.876108][   T71]  _printk (kernel/printk/printk.c:2504)
[  231.876112][   T71]  ? snapshot_read.cold (user.c:?)
[  231.876117][   T71]  ? netdev_name (./include/linux/netdevice.h:5709 (discriminator 1))
[  231.876120][   T71]  ? __netdev_printk (net/core/dev.c:13148 (discriminator 2))
[  231.876125][   T71]  netdev_info (net/core/dev.c:13195 (discriminator 3))
[  231.876133][   T71]  ? netdev_notice (net/core/dev.c:13194)
[  231.876139][   T71]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  231.876141][   T71]  ? __up_read (kernel/locking/rwsem.c:1397 (discriminator 1))
[  231.876144][   T71]  ? down_write_nested (kernel/locking/rwsem.c:1759)
[  231.876146][   T71]  ? 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)
[  231.876149][   T71]  netif_set_allmulti.cold (net/core/dev.c:9731 (discriminator 3))
[  231.876153][   T71]  dev_set_allmulti (net/core/dev_api.c:315)
[  231.876157][   T71]  del_nbp (net/bridge/br_if.c:253 net/bridge/br_if.c:341)
[  231.876160][   T71]  ? __up_write (kernel/locking/rwsem.c:1415)
[  231.876161][   T71]  ? __up_write (kernel/locking/rwsem.c:1422 (discriminator 1))
[  231.876165][   T71]  br_dev_delete (net/bridge/br_if.c:387)
[  231.876169][   T71]  br_net_exit_rtnl (net/bridge/br.c:414)
[  231.876173][   T71]  ops_undo_list (net/core/net_namespace.c:181 net/core/net_namespace.c:249)
[  231.876177][   T71]  ? lockdep_hardirqs_on (kernel/locking/lockdep.c:4488)
[  231.876180][   T71]  ? netns_install (./include/linux/ns_common.h:26)
[  231.876182][   T71]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554)
[  231.876185][   T71]  ? idr_destroy (lib/radix-tree.c:310 lib/radix-tree.c:674 lib/radix-tree.c:1563)
[  231.876190][   T71]  cleanup_net (net/core/net_namespace.c:706)
[  231.876193][   T71]  ? net_passive_dec (./include/linux/llist.h:241)
[  231.876197][   T71]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  231.876199][   T71]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  231.876203][   T71]  process_one_work (kernel/workqueue.c:3387)
[  231.876210][   T71]  ? __queue_delayed_work (kernel/workqueue.c:2622)
[  231.876213][   T71]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2))
[  231.876221][   T71]  worker_thread (kernel/workqueue.c:3470 kernel/workqueue.c:3551)
[  231.876225][   T71]  ? rescuer_thread (./include/linux/list.h:419 (discriminator 3))
[  231.876228][   T71]  ? __kthread_parkme (./include/linux/instrumented.h:82 ./include/asm-generic/bitops/instrumented-non-atomic.h:141 kernel/kthread.c:272)
[  231.876230][   T71]  ? rescuer_thread (./include/linux/list.h:419 (discriminator 3))
[  231.876234][   T71]  ? rescuer_thread (./include/linux/list.h:419 (discriminator 3))
[  231.876236][   T71]  kthread (kernel/kthread.c:436)
[  231.876237][   T71]  ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22))
[  231.876241][   T71]  ? kthread_affine_preferred (kernel/kthread.c:857)
[  231.876244][   T71]  ret_from_fork (arch/x86/kernel/process.c:158)
[  231.876247][   T71]  ? arch_exit_to_user_mode_prepare.isra.0 (arch/x86/entry/vdso/vma.c:80 (discriminator 1))
[  231.876251][   T71]  ? __switch_to (arch/x86/kernel/process_64.c:403 arch/x86/kernel/process_64.c:663)
[  231.876254][   T71]  ? kthread_affine_preferred (kernel/kthread.c:857)
[  231.876257][   T71]  ret_from_fork_asm (arch/x86/entry/entry_64.S:245)
| [  236.018654][ T6515] softirqs last disabled at (38302): __alloc_skb (./include/linux/bottom_half.h:20 (discriminator 2) net/core/skbuff.c:697 (discriminator 2))
| [  236.018656][ T6515] Preemption disabled at:
| [  236.018657][ T6515] vprintk_emit (kernel/printk/printk.c:2471)
| [  236.018668][ T6515] Tainted: [W]=WARN
[  236.018669][ T6515] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[  236.018671][ T6515] Call Trace:
[  236.018673][ T6515]  <TASK>
[  236.018674][ T6515]  dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120)
[  236.018680][ T6515]  ? vprintk_emit (kernel/printk/printk.c:2471)
[  236.018682][ T6515]  __might_resched.cold (kernel/sched/core.c:9234)
[  236.018686][ T6515]  ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3))
[  236.018691][ T6515]  ? __kmalloc_noprof (./include/linux/sched/mm.h:317 mm/slub.c:4636 mm/slub.c:4974 mm/slub.c:5413 mm/slub.c:5439)
[  236.018695][ T6515]  __kmalloc_noprof (./include/linux/sched/mm.h:322 (discriminator 2) mm/slub.c:4636 (discriminator 2) mm/slub.c:4974 (discriminator 2) mm/slub.c:5413 (discriminator 2) mm/slub.c:5439 (discriminator 2))
[  236.018697][ T6515]  ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[  236.018704][ T6515]  ? do_raw_spin_unlock (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:32 ./include/asm-generic/qspinlock.h:58 kernel/locking/spinlock_debug.c:101 kernel/locking/spinlock_debug.c:141)
[  236.018707][ T6515]  alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[  236.018711][ T6515]  put_chars (drivers/char/virtio_console.c:1176)
[  236.018714][ T6515]  ? __send_to_port (drivers/char/virtio_console.c:654)
[  236.018715][ T6515]  ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4116 (discriminator 3) kernel/rcu/tree.c:4108 (discriminator 3))
[  236.018719][ T6515]  ? validate_chain (kernel/locking/lockdep.c:3817 (discriminator 2) kernel/locking/lockdep.c:3837 (discriminator 2) kernel/locking/lockdep.c:3892 (discriminator 2))
[  236.018724][ T6515]  hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2))
[  236.018732][ T6515]  ? hvc_write (drivers/tty/hvc/hvc_console.c:501)
[  236.018735][ T6515]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  236.018737][ T6515]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  236.018741][ T6515]  console_emit_next_record (kernel/printk/printk.c:3183)
[  236.018745][ T6515]  ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20)
[  236.018747][ T6515]  ? 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))
[  236.018750][ T6515]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  236.018752][ T6515]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  236.018756][ T6515]  console_flush_one_record (kernel/printk/printk.c:3268)
[  236.018760][ T6515]  ? console_emit_next_record (kernel/printk/printk.c:3150)
[  236.018762][ T6515]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[  236.018767][ T6515]  console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420)
[  236.018770][ T6515]  ? console_flush_one_record (kernel/printk/printk.c:3316)
[  236.018772][ T6515]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  236.018774][ T6515]  ? 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)
[  236.018778][ T6515]  ? __down_trylock_console_sem (kernel/printk/printk.c:334)
[  236.018780][ T6515]  ? vprintk_emit (kernel/printk/printk.c:2478)
[  236.018782][ T6515]  vprintk_emit (kernel/printk/printk.c:2479)
[  236.018785][ T6515]  ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126))
[  236.018787][ T6515]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554)
[  236.018790][ T6515]  ? mark_held_locks (kernel/locking/lockdep.c:4341)
[  236.018794][ T6515]  _printk (kernel/printk/printk.c:2504)
[  236.018798][ T6515]  ? snapshot_read.cold (user.c:?)
[  236.018801][ T6515]  ? br_multicast_flood (??:?)
[  236.018805][ T6515]  ? do_setlink.isra.0 (net/core/rtnetlink.c:3273 (discriminator 1))
[  236.018806][ T6515]  ? rtnl_newlink (net/core/rtnetlink.c:4215)
[  236.018808][ T6515]  ? rtnetlink_rcv_msg (net/core/rtnetlink.c:7132)
[  236.018812][ T6515]  br_set_state (net/bridge/br_stp.c:57 (discriminator 2))
[  236.018816][ T6515]  br_init_port (net/bridge/br_stp_if.c:39)
[  236.018819][ T6515]  new_nbp (net/bridge/br_if.c:449)
[  236.018823][ T6515]  br_add_if (net/bridge/br_if.c:592)
[  236.018825][ T6515]  ? is_bpf_text_address (./include/linux/rcupdate.h:882 kernel/bpf/core.c:751)
[  236.018829][ T6515]  ? kernel_text_address (kernel/extable.c:125 kernel/extable.c:94)
[  236.018835][ T6515]  do_set_master (net/core/rtnetlink.c:3071)
[  236.018838][ T6515]  do_setlink.isra.0 (net/core/rtnetlink.c:3273 (discriminator 1))
[  236.018842][ T6515]  ? stack_trace_save (kernel/stacktrace.c:122 (discriminator 1))
[  236.018845][ T6515]  ? rtnl_link_get_size (net/core/rtnetlink.c:747)
[  236.018847][ T6515]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:388 kernel/rcu/update.c:380)
[  236.018849][ T6515]  ? stack_depot_save_flags (lib/stackdepot.c:609 (discriminator 2) lib/stackdepot.c:676 (discriminator 2))
[  236.018853][ T6515]  ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4116 (discriminator 3) kernel/rcu/tree.c:4108 (discriminator 3))
[  236.018855][ T6515]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380)
[  236.018857][ T6515]  ? validate_chain (kernel/locking/lockdep.c:3817 (discriminator 2) kernel/locking/lockdep.c:3837 (discriminator 2) kernel/locking/lockdep.c:3892 (discriminator 2))
[  236.018859][ T6515]  ? kasan_save_stack (mm/kasan/common.c:58)
[  236.018862][ T6515]  ? kasan_save_stack (mm/kasan/common.c:57)
[  236.018863][ T6515]  ? kasan_save_track (mm/kasan/common.c:78)
[  236.018864][ T6515]  ? __kasan_kmalloc (mm/kasan/common.c:398 mm/kasan/common.c:415)
[  236.018867][ T6515]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[  236.018869][ T6515]  ? snd_ac97_proc_read_main (sound/pci/ac97/ac97_proc.c:320)
[  236.018872][ T6515]  ? ___sys_sendmsg (net/socket.c:2758)
[  236.018875][ T6515]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2))
[  236.018877][ T6515]  ? rtnl_newlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:366 net/core/rtnetlink.c:4214)
[  236.018880][ T6515]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  236.018882][ T6515]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  236.018883][ T6515]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  236.018884][ T6515]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  236.018886][ T6515]  ? trace_contention_end (./include/trace/events/lock.h:121 (discriminator 22))
[  236.018889][ T6515]  ? __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)
[  236.018891][ T6515]  ? __mutex_lock (kernel/locking/mutex.c:656 (discriminator 1) kernel/locking/mutex.c:821 (discriminator 1))
[  236.018893][ T6515]  ? rtnl_newlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:366 net/core/rtnetlink.c:4214)
[  236.018896][ T6515]  ? ww_mutex_lock (kernel/locking/mutex.c:934)
[  236.018898][ T6515]  ? nla_get_range_signed (lib/nlattr.c:270)
[  236.018903][ T6515]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  236.018905][ T6515]  ? __rtnl_newlink (net/core/rtnetlink.c:4063)
[  236.018910][ T6515]  rtnl_newlink (net/core/rtnetlink.c:4215)
[  236.018916][ T6515]  ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558)
[  236.018918][ T6515]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[  236.018922][ T6515]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2))
[  236.018924][ T6515]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[  236.018926][ T6515]  ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558)
[  236.018928][ T6515]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554)
[  236.018932][ T6515]  ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558)
[  236.018934][ T6515]  rtnetlink_rcv_msg (net/core/rtnetlink.c:7132)
[  236.018937][ T6515]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[  236.018939][ T6515]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[  236.018943][ T6515]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2))
[  236.018945][ T6515]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[  236.018949][ T6515]  netlink_rcv_skb (net/netlink/af_netlink.c:2556)
[  236.018952][ T6515]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[  236.018955][ T6515]  ? netlink_ack (./include/linux/skbuff.h:2718)
[  236.018961][ T6515]  ? 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))
[  236.018963][ T6515]  ? 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))
[  236.018968][ T6515]  netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[  236.018972][ T6515]  ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[  236.018974][ T6515]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[  236.018979][ T6515]  netlink_sendmsg (net/netlink/af_netlink.c:1900)
[  236.018983][ T6515]  ? netlink_unicast (./include/net/net_namespace.h:422 (discriminator 7))
[  236.018987][ T6515]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554)
[  236.018988][ T6515]  ? __import_iovec (lib/iov_iter.c:1358 lib/iov_iter.c:1373)
[  236.018994][ T6515]  __sock_sendmsg (net/socket.c:800 (discriminator 4) net/socket.c:815 (discriminator 4))
[  236.018997][ T6515]  ____sys_sendmsg (net/socket.c:2713)
[  236.018999][ T6515]  ? copy_msghdr_from_user (net/socket.c:2650)
[  236.019001][ T6515]  ? sock_write_iter (net/socket.c:1269)
[  236.019003][ T6515]  ? move_addr_to_kernel (net/socket.c:258)
[  236.019010][ T6515]  ___sys_sendmsg (net/socket.c:2767)
[  236.019013][ T6515]  ? copy_msghdr_from_user (net/socket.c:2619)
[  236.019029][ T6515]  __sys_sendmsg (net/socket.c:2799)
[  236.019032][ T6515]  ? __sys_sendmsg_sock (net/socket.c:2780)
[  236.019039][ T6515]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  236.019042][ T6515]  do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84)
[  236.019045][ T6515]  ? exc_page_fault (arch/x86/mm/fault.c:1489 (discriminator 3) arch/x86/mm/fault.c:1536 (discriminator 3))
[  236.019048][ T6515]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[  236.019050][ T6515] RIP: 0033:0x7feaaafc654e
[  236.019054][ T6515] 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
[  236.019056][ T6515] RSP: 002b:00007fff4c3b6350 EFLAGS: 00000202 ORIG_RAX: 000000000000002e
[  236.019059][ T6515] RAX: ffffffffffffffda RBX: 0000000000000003 RCX: 00007feaaafc654e
[  236.019060][ T6515] RDX: 0000000000000000 RSI: 00007fff4c3b6400 RDI: 0000000000000005
[  236.019061][ T6515] RBP: 00007fff4c3b6360 R08: 0000000000000000 R09: 0000000000000000
[  236.019062][ T6515] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a91a529
[  236.019063][ T6515] R13: 00000000004a1620 R14: 0000000000000000 R15: 00007fff4c3b6ac0
| [  240.305582][   T71] softirqs last disabled at (7018776): netlink_release (./include/net/sock.h:2138 net/netlink/af_netlink.c:727)
| [  240.305585][   T71] Preemption disabled at:
| [  240.305586][   T71] vprintk_emit (kernel/printk/printk.c:2471)
| [  240.305595][   T71] Tainted: [W]=WARN
[  240.305596][   T71] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[  240.305598][   T71] Workqueue: netns cleanup_net
[  240.305601][   T71] Call Trace:
[  240.305602][   T71]  <TASK>
[  240.305604][   T71]  dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120)
[  240.305611][   T71]  ? vprintk_emit (kernel/printk/printk.c:2471)
[  240.305612][   T71]  __might_resched.cold (kernel/sched/core.c:9234)
[  240.305617][   T71]  ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3))
[  240.305621][   T71]  ? __kmalloc_noprof (./include/linux/sched/mm.h:317 mm/slub.c:4636 mm/slub.c:4974 mm/slub.c:5413 mm/slub.c:5439)
[  240.305625][   T71]  __kmalloc_noprof (./include/linux/sched/mm.h:322 (discriminator 2) mm/slub.c:4636 (discriminator 2) mm/slub.c:4974 (discriminator 2) mm/slub.c:5413 (discriminator 2) mm/slub.c:5439 (discriminator 2))
[  240.305628][   T71]  ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[  240.305634][   T71]  ? do_raw_spin_unlock (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:32 ./include/asm-generic/qspinlock.h:58 kernel/locking/spinlock_debug.c:101 kernel/locking/spinlock_debug.c:141)
[  240.305637][   T71]  alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[  240.305641][   T71]  put_chars (drivers/char/virtio_console.c:1176)
[  240.305644][   T71]  ? __send_to_port (drivers/char/virtio_console.c:654)
[  240.305645][   T71]  ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4116 (discriminator 3) kernel/rcu/tree.c:4108 (discriminator 3))
[  240.305649][   T71]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380)
[  240.305652][   T71]  ? validate_chain (kernel/locking/lockdep.c:3817 (discriminator 2) kernel/locking/lockdep.c:3837 (discriminator 2) kernel/locking/lockdep.c:3892 (discriminator 2))
[  240.305657][   T71]  hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2))
[  240.305661][   T71]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[  240.305669][   T71]  ? hvc_write (drivers/tty/hvc/hvc_console.c:501)
[  240.305673][   T71]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  240.305678][   T71]  console_emit_next_record (kernel/printk/printk.c:3183)
[  240.305682][   T71]  ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20)
[  240.305684][   T71]  ? 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))
[  240.305687][   T71]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  240.305689][   T71]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  240.305694][   T71]  console_flush_one_record (kernel/printk/printk.c:3268)
[  240.305698][   T71]  ? console_emit_next_record (kernel/printk/printk.c:3150)
[  240.305700][   T71]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[  240.305706][   T71]  console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420)
[  240.305709][   T71]  ? console_flush_one_record (kernel/printk/printk.c:3316)
[  240.305711][   T71]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  240.305713][   T71]  ? 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)
[  240.305717][   T71]  ? __down_trylock_console_sem (kernel/printk/printk.c:334)
[  240.305719][   T71]  ? vprintk_emit (kernel/printk/printk.c:2478)
[  240.305721][   T71]  vprintk_emit (kernel/printk/printk.c:2479)
[  240.305725][   T71]  ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126))
[  240.305726][   T71]  ? cleanup_net (net/core/net_namespace.c:706)
[  240.305728][   T71]  ? worker_thread (kernel/workqueue.c:3470 kernel/workqueue.c:3551)
[  240.305730][   T71]  ? kthread (kernel/kthread.c:436)
[  240.305733][   T71]  ? ret_from_fork (arch/x86/kernel/process.c:158)
[  240.305736][   T71]  ? ret_from_fork_asm (arch/x86/entry/entry_64.S:245)
[  240.305741][   T71]  _printk (kernel/printk/printk.c:2504)
[  240.305745][   T71]  ? snapshot_read.cold (user.c:?)
[  240.305750][   T71]  ? netdev_name (./include/linux/netdevice.h:5709 (discriminator 1))
[  240.305754][   T71]  ? __netdev_printk (net/core/dev.c:13148 (discriminator 2))
[  240.305758][   T71]  netdev_info (net/core/dev.c:13195 (discriminator 3))
[  240.305761][   T71]  ? netdev_notice (net/core/dev.c:13194)
[  240.305765][   T71]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  240.305767][   T71]  ? __up_read (kernel/locking/rwsem.c:1397 (discriminator 1))
[  240.305770][   T71]  ? down_write_nested (kernel/locking/rwsem.c:1759)
[  240.305772][   T71]  ? 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)
[  240.305775][   T71]  netif_set_allmulti.cold (net/core/dev.c:9731 (discriminator 3))
[  240.305779][   T71]  dev_set_allmulti (net/core/dev_api.c:315)
[  240.305782][   T71]  del_nbp (net/bridge/br_if.c:253 net/bridge/br_if.c:341)
[  240.305786][   T71]  ? __up_write (kernel/locking/rwsem.c:1415)
[  240.305787][   T71]  ? __up_write (kernel/locking/rwsem.c:1422 (discriminator 1))
[  240.305791][   T71]  br_dev_delete (net/bridge/br_if.c:387)
[  240.305795][   T71]  br_net_exit_rtnl (net/bridge/br.c:414)
[  240.305798][   T71]  ops_undo_list (net/core/net_namespace.c:181 net/core/net_namespace.c:249)
[  240.305802][   T71]  ? lockdep_hardirqs_on (kernel/locking/lockdep.c:4488)
[  240.305806][   T71]  ? netns_install (./include/linux/ns_common.h:26)
[  240.305808][   T71]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554)
[  240.305811][   T71]  ? idr_destroy (lib/radix-tree.c:310 lib/radix-tree.c:674 lib/radix-tree.c:1563)
[  240.305816][   T71]  cleanup_net (net/core/net_namespace.c:706)
[  240.305819][   T71]  ? net_passive_dec (./include/linux/llist.h:241)
[  240.305823][   T71]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  240.305825][   T71]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  240.305829][   T71]  process_one_work (kernel/workqueue.c:3387)
[  240.305836][   T71]  ? __queue_delayed_work (kernel/workqueue.c:2622)
[  240.305839][   T71]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2))
[  240.305847][   T71]  worker_thread (kernel/workqueue.c:3470 kernel/workqueue.c:3551)
[  240.305851][   T71]  ? rescuer_thread (./include/linux/list.h:419 (discriminator 3))
[  240.305854][   T71]  ? __kthread_parkme (./include/linux/instrumented.h:82 ./include/asm-generic/bitops/instrumented-non-atomic.h:141 kernel/kthread.c:272)
[  240.305856][   T71]  ? rescuer_thread (./include/linux/list.h:419 (discriminator 3))
[  240.305860][   T71]  ? rescuer_thread (./include/linux/list.h:419 (discriminator 3))
[  240.305862][   T71]  kthread (kernel/kthread.c:436)
[  240.305864][   T71]  ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22))
[  240.305867][   T71]  ? kthread_affine_preferred (kernel/kthread.c:857)
[  240.305870][   T71]  ret_from_fork (arch/x86/kernel/process.c:158)
[  240.305873][   T71]  ? arch_exit_to_user_mode_prepare.isra.0 (arch/x86/entry/vdso/vma.c:80 (discriminator 1))
[  240.305877][   T71]  ? __switch_to (arch/x86/kernel/process_64.c:403 arch/x86/kernel/process_64.c:663)
[  240.305880][   T71]  ? kthread_affine_preferred (kernel/kthread.c:857)
[  240.305883][   T71]  ret_from_fork_asm (arch/x86/entry/entry_64.S:245)
| [  244.192963][ T6730] softirqs last disabled at (43230): __alloc_skb (./include/linux/bottom_half.h:20 (discriminator 2) net/core/skbuff.c:697 (discriminator 2))
| [  244.192965][ T6730] Preemption disabled at:
| [  244.192966][ T6730] vprintk_emit (kernel/printk/printk.c:2471)
| [  244.192975][ T6730] Tainted: [W]=WARN
[  244.192976][ T6730] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[  244.192978][ T6730] Call Trace:
[  244.192979][ T6730]  <TASK>
[  244.192981][ T6730]  dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120)
[  244.192987][ T6730]  ? vprintk_emit (kernel/printk/printk.c:2471)
[  244.192989][ T6730]  __might_resched.cold (kernel/sched/core.c:9234)
[  244.192994][ T6730]  ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3))
[  244.192998][ T6730]  ? __kmalloc_noprof (./include/linux/sched/mm.h:317 mm/slub.c:4636 mm/slub.c:4974 mm/slub.c:5413 mm/slub.c:5439)
[  244.193003][ T6730]  __kmalloc_noprof (./include/linux/sched/mm.h:322 (discriminator 2) mm/slub.c:4636 (discriminator 2) mm/slub.c:4974 (discriminator 2) mm/slub.c:5413 (discriminator 2) mm/slub.c:5439 (discriminator 2))
[  244.193005][ T6730]  ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[  244.193011][ T6730]  ? do_raw_spin_unlock (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:32 ./include/asm-generic/qspinlock.h:58 kernel/locking/spinlock_debug.c:101 kernel/locking/spinlock_debug.c:141)
[  244.193014][ T6730]  alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[  244.193018][ T6730]  put_chars (drivers/char/virtio_console.c:1176)
[  244.193020][ T6730]  ? __send_to_port (drivers/char/virtio_console.c:654)
[  244.193022][ T6730]  ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4116 (discriminator 3) kernel/rcu/tree.c:4108 (discriminator 3))
[  244.193025][ T6730]  ? validate_chain (kernel/locking/lockdep.c:3817 (discriminator 2) kernel/locking/lockdep.c:3837 (discriminator 2) kernel/locking/lockdep.c:3892 (discriminator 2))
[  244.193031][ T6730]  hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2))
[  244.193039][ T6730]  ? hvc_write (drivers/tty/hvc/hvc_console.c:501)
[  244.193042][ T6730]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  244.193044][ T6730]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  244.193048][ T6730]  console_emit_next_record (kernel/printk/printk.c:3183)
[  244.193052][ T6730]  ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20)
[  244.193054][ T6730]  ? 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))
[  244.193058][ T6730]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  244.193060][ T6730]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  244.193064][ T6730]  console_flush_one_record (kernel/printk/printk.c:3268)
[  244.193068][ T6730]  ? console_emit_next_record (kernel/printk/printk.c:3150)
[  244.193070][ T6730]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[  244.193076][ T6730]  console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420)
[  244.193079][ T6730]  ? console_flush_one_record (kernel/printk/printk.c:3316)
[  244.193081][ T6730]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  244.193083][ T6730]  ? 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)
[  244.193087][ T6730]  ? __down_trylock_console_sem (kernel/printk/printk.c:334)
[  244.193089][ T6730]  ? vprintk_emit (kernel/printk/printk.c:2478)
[  244.193091][ T6730]  vprintk_emit (kernel/printk/printk.c:2479)
[  244.193095][ T6730]  ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126))
[  244.193097][ T6730]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554)
[  244.193100][ T6730]  ? mark_held_locks (kernel/locking/lockdep.c:4341)
[  244.193103][ T6730]  _printk (kernel/printk/printk.c:2504)
[  244.193107][ T6730]  ? snapshot_read.cold (user.c:?)
[  244.193111][ T6730]  ? br_multicast_flood (??:?)
[  244.193115][ T6730]  ? do_setlink.isra.0 (net/core/rtnetlink.c:3273 (discriminator 1))
[  244.193116][ T6730]  ? rtnl_newlink (net/core/rtnetlink.c:4215)
[  244.193117][ T6730]  ? rtnetlink_rcv_msg (net/core/rtnetlink.c:7132)
[  244.193122][ T6730]  br_set_state (net/bridge/br_stp.c:57 (discriminator 2))
[  244.193126][ T6730]  br_init_port (net/bridge/br_stp_if.c:39)
[  244.193129][ T6730]  new_nbp (net/bridge/br_if.c:449)
[  244.193133][ T6730]  br_add_if (net/bridge/br_if.c:592)
[  244.193135][ T6730]  ? is_bpf_text_address (./include/linux/rcupdate.h:882 kernel/bpf/core.c:751)
[  244.193139][ T6730]  ? kernel_text_address (kernel/extable.c:125 kernel/extable.c:94)
[  244.193145][ T6730]  do_set_master (net/core/rtnetlink.c:3071)
[  244.193149][ T6730]  do_setlink.isra.0 (net/core/rtnetlink.c:3273 (discriminator 1))
[  244.193152][ T6730]  ? stack_trace_save (kernel/stacktrace.c:122 (discriminator 1))
[  244.193156][ T6730]  ? rtnl_link_get_size (net/core/rtnetlink.c:747)
[  244.193157][ T6730]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:388 kernel/rcu/update.c:380)
[  244.193160][ T6730]  ? stack_depot_save_flags (lib/stackdepot.c:609 (discriminator 2) lib/stackdepot.c:676 (discriminator 2))
[  244.193164][ T6730]  ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4116 (discriminator 3) kernel/rcu/tree.c:4108 (discriminator 3))
[  244.193166][ T6730]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380)
[  244.193167][ T6730]  ? validate_chain (kernel/locking/lockdep.c:3817 (discriminator 2) kernel/locking/lockdep.c:3837 (discriminator 2) kernel/locking/lockdep.c:3892 (discriminator 2))
[  244.193170][ T6730]  ? kasan_save_stack (mm/kasan/common.c:58)
[  244.193172][ T6730]  ? kasan_save_stack (mm/kasan/common.c:57)
[  244.193174][ T6730]  ? kasan_save_track (mm/kasan/common.c:78)
[  244.193175][ T6730]  ? __kasan_kmalloc (mm/kasan/common.c:398 mm/kasan/common.c:415)
[  244.193177][ T6730]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[  244.193180][ T6730]  ? snd_ac97_proc_read_main (sound/pci/ac97/ac97_proc.c:320)
[  244.193182][ T6730]  ? ___sys_sendmsg (net/socket.c:2758)
[  244.193186][ T6730]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2))
[  244.193188][ T6730]  ? rtnl_newlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:366 net/core/rtnetlink.c:4214)
[  244.193191][ T6730]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  244.193193][ T6730]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  244.193194][ T6730]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  244.193196][ T6730]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  244.193197][ T6730]  ? trace_contention_end (./include/trace/events/lock.h:121 (discriminator 22))
[  244.193200][ T6730]  ? __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)
[  244.193203][ T6730]  ? __mutex_lock (kernel/locking/mutex.c:656 (discriminator 1) kernel/locking/mutex.c:821 (discriminator 1))
[  244.193205][ T6730]  ? rtnl_newlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:366 net/core/rtnetlink.c:4214)
[  244.193208][ T6730]  ? ww_mutex_lock (kernel/locking/mutex.c:934)
[  244.193209][ T6730]  ? nla_get_range_signed (lib/nlattr.c:270)
[  244.193215][ T6730]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  244.193217][ T6730]  ? __rtnl_newlink (net/core/rtnetlink.c:4063)
[  244.193228][ T6730]  rtnl_newlink (net/core/rtnetlink.c:4215)
[  244.193233][ T6730]  ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558)
[  244.193235][ T6730]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[  244.193240][ T6730]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2))
[  244.193242][ T6730]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[  244.193244][ T6730]  ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558)
[  244.193246][ T6730]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554)
[  244.193250][ T6730]  ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558)
[  244.193252][ T6730]  rtnetlink_rcv_msg (net/core/rtnetlink.c:7132)
[  244.193256][ T6730]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[  244.193257][ T6730]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[  244.193262][ T6730]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2))
[  244.193264][ T6730]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[  244.193267][ T6730]  netlink_rcv_skb (net/netlink/af_netlink.c:2556)
[  244.193270][ T6730]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[  244.193273][ T6730]  ? netlink_ack (./include/linux/skbuff.h:2718)
[  244.193280][ T6730]  ? 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))
[  244.193282][ T6730]  ? 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))
[  244.193287][ T6730]  netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[  244.193291][ T6730]  ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[  244.193294][ T6730]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[  244.193298][ T6730]  netlink_sendmsg (net/netlink/af_netlink.c:1900)
[  244.193302][ T6730]  ? netlink_unicast (./include/net/net_namespace.h:422 (discriminator 7))
[  244.193306][ T6730]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554)
[  244.193308][ T6730]  ? __import_iovec (lib/iov_iter.c:1358 lib/iov_iter.c:1373)
[  244.193313][ T6730]  __sock_sendmsg (net/socket.c:800 (discriminator 4) net/socket.c:815 (discriminator 4))
[  244.193316][ T6730]  ____sys_sendmsg (net/socket.c:2713)
[  244.193319][ T6730]  ? copy_msghdr_from_user (net/socket.c:2650)
[  244.193321][ T6730]  ? sock_write_iter (net/socket.c:1269)
[  244.193323][ T6730]  ? move_addr_to_kernel (net/socket.c:258)
[  244.193330][ T6730]  ___sys_sendmsg (net/socket.c:2767)
[  244.193333][ T6730]  ? copy_msghdr_from_user (net/socket.c:2619)
[  244.193349][ T6730]  __sys_sendmsg (net/socket.c:2799)
[  244.193352][ T6730]  ? __sys_sendmsg_sock (net/socket.c:2780)
[  244.193359][ T6730]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  244.193362][ T6730]  do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84)
[  244.193365][ T6730]  ? exc_page_fault (arch/x86/mm/fault.c:1489 (discriminator 3) arch/x86/mm/fault.c:1536 (discriminator 3))
[  244.193368][ T6730]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[  244.193370][ T6730] RIP: 0033:0x7fe85374b54e
[  244.193374][ T6730] 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
[  244.193376][ T6730] RSP: 002b:00007ffcf2622010 EFLAGS: 00000202 ORIG_RAX: 000000000000002e
[  244.193379][ T6730] RAX: ffffffffffffffda RBX: 0000000000000003 RCX: 00007fe85374b54e
[  244.193380][ T6730] RDX: 0000000000000000 RSI: 00007ffcf26220c0 RDI: 0000000000000005
[  244.193381][ T6730] RBP: 00007ffcf2622020 R08: 0000000000000000 R09: 0000000000000000
[  244.193382][ T6730] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a91a531
[  244.193383][ T6730] R13: 00000000004a1620 R14: 0000000000000000 R15: 00007ffcf2622780
| [  248.276621][   T71] softirqs last disabled at (7236792): netlink_release (./include/net/sock.h:2138 net/netlink/af_netlink.c:727)
| [  248.276624][   T71] Preemption disabled at:
| [  248.276624][   T71] vprintk_emit (kernel/printk/printk.c:2471)
| [  248.276633][   T71] Tainted: [W]=WARN
[  248.276634][   T71] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[  248.276636][   T71] Workqueue: netns cleanup_net
[  248.276640][   T71] Call Trace:
[  248.276641][   T71]  <TASK>
[  248.276643][   T71]  dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120)
[  248.276649][   T71]  ? vprintk_emit (kernel/printk/printk.c:2471)
[  248.276651][   T71]  __might_resched.cold (kernel/sched/core.c:9234)
[  248.276655][   T71]  ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3))
[  248.276660][   T71]  ? __kmalloc_noprof (./include/linux/sched/mm.h:317 mm/slub.c:4636 mm/slub.c:4974 mm/slub.c:5413 mm/slub.c:5439)
[  248.276667][   T71]  __kmalloc_noprof (./include/linux/sched/mm.h:322 (discriminator 2) mm/slub.c:4636 (discriminator 2) mm/slub.c:4974 (discriminator 2) mm/slub.c:5413 (discriminator 2) mm/slub.c:5439 (discriminator 2))
[  248.276669][   T71]  ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[  248.276676][   T71]  ? do_raw_spin_unlock (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:32 ./include/asm-generic/qspinlock.h:58 kernel/locking/spinlock_debug.c:101 kernel/locking/spinlock_debug.c:141)
[  248.276679][   T71]  alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[  248.276683][   T71]  put_chars (drivers/char/virtio_console.c:1176)
[  248.276686][   T71]  ? __send_to_port (drivers/char/virtio_console.c:654)
[  248.276687][   T71]  ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4116 (discriminator 3) kernel/rcu/tree.c:4108 (discriminator 3))
[  248.276691][   T71]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380)
[  248.276693][   T71]  ? validate_chain (kernel/locking/lockdep.c:3817 (discriminator 2) kernel/locking/lockdep.c:3837 (discriminator 2) kernel/locking/lockdep.c:3892 (discriminator 2))
[  248.276699][   T71]  hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2))
[  248.276703][   T71]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[  248.276708][   T71]  ? hvc_write (drivers/tty/hvc/hvc_console.c:501)
[  248.276712][   T71]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  248.276717][   T71]  console_emit_next_record (kernel/printk/printk.c:3183)
[  248.276721][   T71]  ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20)
[  248.276723][   T71]  ? 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))
[  248.276727][   T71]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  248.276729][   T71]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  248.276733][   T71]  console_flush_one_record (kernel/printk/printk.c:3268)
[  248.276738][   T71]  ? console_emit_next_record (kernel/printk/printk.c:3150)
[  248.276740][   T71]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[  248.276745][   T71]  console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420)
[  248.276749][   T71]  ? console_flush_one_record (kernel/printk/printk.c:3316)
[  248.276751][   T71]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  248.276752][   T71]  ? 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)
[  248.276756][   T71]  ? __down_trylock_console_sem (kernel/printk/printk.c:334)
[  248.276758][   T71]  ? vprintk_emit (kernel/printk/printk.c:2478)
[  248.276761][   T71]  vprintk_emit (kernel/printk/printk.c:2479)
[  248.276765][   T71]  ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126))
[  248.276766][   T71]  ? cleanup_net (net/core/net_namespace.c:706)
[  248.276768][   T71]  ? worker_thread (kernel/workqueue.c:3470 kernel/workqueue.c:3551)
[  248.276770][   T71]  ? kthread (kernel/kthread.c:436)
[  248.276772][   T71]  ? ret_from_fork (arch/x86/kernel/process.c:158)
[  248.276775][   T71]  ? ret_from_fork_asm (arch/x86/entry/entry_64.S:245)
[  248.276780][   T71]  _printk (kernel/printk/printk.c:2504)
[  248.276784][   T71]  ? snapshot_read.cold (user.c:?)
[  248.276789][   T71]  ? netdev_name (./include/linux/netdevice.h:5709 (discriminator 1))
[  248.276793][   T71]  ? __netdev_printk (net/core/dev.c:13148 (discriminator 2))
[  248.276797][   T71]  netdev_info (net/core/dev.c:13195 (discriminator 3))
[  248.276800][   T71]  ? netdev_notice (net/core/dev.c:13194)
[  248.276805][   T71]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  248.276807][   T71]  ? __up_read (kernel/locking/rwsem.c:1397 (discriminator 1))
[  248.276810][   T71]  ? down_write_nested (kernel/locking/rwsem.c:1759)
[  248.276812][   T71]  ? 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)
[  248.276815][   T71]  netif_set_allmulti.cold (net/core/dev.c:9731 (discriminator 3))
[  248.276819][   T71]  dev_set_allmulti (net/core/dev_api.c:315)
[  248.276823][   T71]  del_nbp (net/bridge/br_if.c:253 net/bridge/br_if.c:341)
[  248.276826][   T71]  ? __up_write (kernel/locking/rwsem.c:1415)
[  248.276828][   T71]  ? __up_write (kernel/locking/rwsem.c:1422 (discriminator 1))
[  248.276832][   T71]  br_dev_delete (net/bridge/br_if.c:387)
[  248.276835][   T71]  br_net_exit_rtnl (net/bridge/br.c:414)
[  248.276839][   T71]  ops_undo_list (net/core/net_namespace.c:181 net/core/net_namespace.c:249)
[  248.276843][   T71]  ? lockdep_hardirqs_on (kernel/locking/lockdep.c:4488)
[  248.276847][   T71]  ? netns_install (./include/linux/ns_common.h:26)
[  248.276849][   T71]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554)
[  248.276852][   T71]  ? idr_destroy (lib/radix-tree.c:310 lib/radix-tree.c:674 lib/radix-tree.c:1563)
[  248.276857][   T71]  cleanup_net (net/core/net_namespace.c:706)
[  248.276861][   T71]  ? net_passive_dec (./include/linux/llist.h:241)
[  248.276865][   T71]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  248.276867][   T71]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  248.276870][   T71]  process_one_work (kernel/workqueue.c:3387)
[  248.276877][   T71]  ? __queue_delayed_work (kernel/workqueue.c:2622)
[  248.276880][   T71]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2))
[  248.276889][   T71]  worker_thread (kernel/workqueue.c:3470 kernel/workqueue.c:3551)
[  248.276893][   T71]  ? rescuer_thread (./include/linux/list.h:419 (discriminator 3))
[  248.276895][   T71]  ? __kthread_parkme (./include/linux/instrumented.h:82 ./include/asm-generic/bitops/instrumented-non-atomic.h:141 kernel/kthread.c:272)
[  248.276898][   T71]  ? rescuer_thread (./include/linux/list.h:419 (discriminator 3))
[  248.276901][   T71]  ? rescuer_thread (./include/linux/list.h:419 (discriminator 3))
[  248.276903][   T71]  kthread (kernel/kthread.c:436)
[  248.276905][   T71]  ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22))
[  248.276909][   T71]  ? kthread_affine_preferred (kernel/kthread.c:857)
[  248.276912][   T71]  ret_from_fork (arch/x86/kernel/process.c:158)
[  248.276915][   T71]  ? arch_exit_to_user_mode_prepare.isra.0 (arch/x86/entry/vdso/vma.c:80 (discriminator 1))
[  248.276918][   T71]  ? __switch_to (arch/x86/kernel/process_64.c:403 arch/x86/kernel/process_64.c:663)
[  248.276922][   T71]  ? kthread_affine_preferred (kernel/kthread.c:857)
[  248.276925][   T71]  ret_from_fork_asm (arch/x86/entry/entry_64.S:245)
| [  251.826619][ T6932] softirqs last disabled at (37722): __alloc_skb (./include/linux/bottom_half.h:20 (discriminator 2) net/core/skbuff.c:697 (discriminator 2))
| [  251.826621][ T6932] Preemption disabled at:
| [  251.826622][ T6932] vprintk_emit (kernel/printk/printk.c:2471)
| [  251.826631][ T6932] Tainted: [W]=WARN
[  251.826632][ T6932] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[  251.826634][ T6932] Call Trace:
[  251.826635][ T6932]  <TASK>
[  251.826637][ T6932]  dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120)
[  251.826643][ T6932]  ? vprintk_emit (kernel/printk/printk.c:2471)
[  251.826645][ T6932]  __might_resched.cold (kernel/sched/core.c:9234)
[  251.826649][ T6932]  ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3))
[  251.826654][ T6932]  ? __kmalloc_noprof (./include/linux/sched/mm.h:317 mm/slub.c:4636 mm/slub.c:4974 mm/slub.c:5413 mm/slub.c:5439)
[  251.826658][ T6932]  __kmalloc_noprof (./include/linux/sched/mm.h:322 (discriminator 2) mm/slub.c:4636 (discriminator 2) mm/slub.c:4974 (discriminator 2) mm/slub.c:5413 (discriminator 2) mm/slub.c:5439 (discriminator 2))
[  251.826660][ T6932]  ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[  251.826669][ T6932]  ? do_raw_spin_unlock (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:32 ./include/asm-generic/qspinlock.h:58 kernel/locking/spinlock_debug.c:101 kernel/locking/spinlock_debug.c:141)
[  251.826672][ T6932]  alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[  251.826676][ T6932]  put_chars (drivers/char/virtio_console.c:1176)
[  251.826678][ T6932]  ? __send_to_port (drivers/char/virtio_console.c:654)
[  251.826680][ T6932]  ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4116 (discriminator 3) kernel/rcu/tree.c:4108 (discriminator 3))
[  251.826683][ T6932]  ? validate_chain (kernel/locking/lockdep.c:3817 (discriminator 2) kernel/locking/lockdep.c:3837 (discriminator 2) kernel/locking/lockdep.c:3892 (discriminator 2))
[  251.826689][ T6932]  hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2))
[  251.826697][ T6932]  ? hvc_write (drivers/tty/hvc/hvc_console.c:501)
[  251.826700][ T6932]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  251.826702][ T6932]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  251.826706][ T6932]  console_emit_next_record (kernel/printk/printk.c:3183)
[  251.826710][ T6932]  ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20)
[  251.826712][ T6932]  ? 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))
[  251.826715][ T6932]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  251.826717][ T6932]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  251.826721][ T6932]  console_flush_one_record (kernel/printk/printk.c:3268)
[  251.826726][ T6932]  ? console_emit_next_record (kernel/printk/printk.c:3150)
[  251.826728][ T6932]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[  251.826733][ T6932]  console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420)
[  251.826736][ T6932]  ? console_flush_one_record (kernel/printk/printk.c:3316)
[  251.826738][ T6932]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  251.826740][ T6932]  ? 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)
[  251.826744][ T6932]  ? __down_trylock_console_sem (kernel/printk/printk.c:334)
[  251.826746][ T6932]  ? vprintk_emit (kernel/printk/printk.c:2478)
[  251.826748][ T6932]  vprintk_emit (kernel/printk/printk.c:2479)
[  251.826752][ T6932]  ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126))
[  251.826753][ T6932]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554)
[  251.826756][ T6932]  ? mark_held_locks (kernel/locking/lockdep.c:4341)
[  251.826760][ T6932]  _printk (kernel/printk/printk.c:2504)
[  251.826764][ T6932]  ? snapshot_read.cold (user.c:?)
[  251.826767][ T6932]  ? br_multicast_flood (??:?)
[  251.826771][ T6932]  ? do_setlink.isra.0 (net/core/rtnetlink.c:3273 (discriminator 1))
[  251.826772][ T6932]  ? rtnl_newlink (net/core/rtnetlink.c:4215)
[  251.826773][ T6932]  ? rtnetlink_rcv_msg (net/core/rtnetlink.c:7132)
[  251.826778][ T6932]  br_set_state (net/bridge/br_stp.c:57 (discriminator 2))
[  251.826782][ T6932]  br_init_port (net/bridge/br_stp_if.c:39)
[  251.826784][ T6932]  new_nbp (net/bridge/br_if.c:449)
[  251.826788][ T6932]  br_add_if (net/bridge/br_if.c:592)
[  251.826791][ T6932]  ? is_bpf_text_address (./include/linux/rcupdate.h:882 kernel/bpf/core.c:751)
[  251.826795][ T6932]  ? kernel_text_address (kernel/extable.c:125 kernel/extable.c:94)
[  251.826800][ T6932]  do_set_master (net/core/rtnetlink.c:3071)
[  251.826804][ T6932]  do_setlink.isra.0 (net/core/rtnetlink.c:3273 (discriminator 1))
[  251.826807][ T6932]  ? stack_trace_save (kernel/stacktrace.c:122 (discriminator 1))
[  251.826811][ T6932]  ? rtnl_link_get_size (net/core/rtnetlink.c:747)
[  251.826812][ T6932]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:388 kernel/rcu/update.c:380)
[  251.826815][ T6932]  ? stack_depot_save_flags (lib/stackdepot.c:609 (discriminator 2) lib/stackdepot.c:676 (discriminator 2))
[  251.826819][ T6932]  ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4116 (discriminator 3) kernel/rcu/tree.c:4108 (discriminator 3))
[  251.826821][ T6932]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380)
[  251.826823][ T6932]  ? validate_chain (kernel/locking/lockdep.c:3817 (discriminator 2) kernel/locking/lockdep.c:3837 (discriminator 2) kernel/locking/lockdep.c:3892 (discriminator 2))
[  251.826825][ T6932]  ? kasan_save_stack (mm/kasan/common.c:58)
[  251.826828][ T6932]  ? kasan_save_stack (mm/kasan/common.c:57)
[  251.826829][ T6932]  ? kasan_save_track (mm/kasan/common.c:78)
[  251.826830][ T6932]  ? __kasan_kmalloc (mm/kasan/common.c:398 mm/kasan/common.c:415)
[  251.826833][ T6932]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[  251.826834][ T6932]  ? snd_ac97_proc_read_main (sound/pci/ac97/ac97_proc.c:320)
[  251.826837][ T6932]  ? ___sys_sendmsg (net/socket.c:2758)
[  251.826841][ T6932]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2))
[  251.826843][ T6932]  ? rtnl_newlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:366 net/core/rtnetlink.c:4214)
[  251.826846][ T6932]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  251.826847][ T6932]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  251.826849][ T6932]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  251.826850][ T6932]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  251.826852][ T6932]  ? trace_contention_end (./include/trace/events/lock.h:121 (discriminator 22))
[  251.826855][ T6932]  ? __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)
[  251.826857][ T6932]  ? __mutex_lock (kernel/locking/mutex.c:656 (discriminator 1) kernel/locking/mutex.c:821 (discriminator 1))
[  251.826859][ T6932]  ? rtnl_newlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:366 net/core/rtnetlink.c:4214)
[  251.826863][ T6932]  ? ww_mutex_lock (kernel/locking/mutex.c:934)
[  251.826864][ T6932]  ? nla_get_range_signed (lib/nlattr.c:270)
[  251.826869][ T6932]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  251.826871][ T6932]  ? __rtnl_newlink (net/core/rtnetlink.c:4063)
[  251.826877][ T6932]  rtnl_newlink (net/core/rtnetlink.c:4215)
[  251.826882][ T6932]  ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558)
[  251.826884][ T6932]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[  251.826889][ T6932]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2))
[  251.826891][ T6932]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[  251.826893][ T6932]  ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558)
[  251.826895][ T6932]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554)
[  251.826899][ T6932]  ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558)
[  251.826901][ T6932]  rtnetlink_rcv_msg (net/core/rtnetlink.c:7132)
[  251.826904][ T6932]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[  251.826905][ T6932]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[  251.826910][ T6932]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2))
[  251.826912][ T6932]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[  251.826916][ T6932]  netlink_rcv_skb (net/netlink/af_netlink.c:2556)
[  251.826919][ T6932]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[  251.826922][ T6932]  ? netlink_ack (./include/linux/skbuff.h:2718)
[  251.826928][ T6932]  ? 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))
[  251.826930][ T6932]  ? 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))
[  251.826935][ T6932]  netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[  251.826939][ T6932]  ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[  251.826942][ T6932]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[  251.826946][ T6932]  netlink_sendmsg (net/netlink/af_netlink.c:1900)
[  251.826950][ T6932]  ? netlink_unicast (./include/net/net_namespace.h:422 (discriminator 7))
[  251.826954][ T6932]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554)
[  251.826956][ T6932]  ? __import_iovec (lib/iov_iter.c:1358 lib/iov_iter.c:1373)
[  251.826961][ T6932]  __sock_sendmsg (net/socket.c:800 (discriminator 4) net/socket.c:815 (discriminator 4))
[  251.826964][ T6932]  ____sys_sendmsg (net/socket.c:2713)
[  251.826967][ T6932]  ? copy_msghdr_from_user (net/socket.c:2650)
[  251.826969][ T6932]  ? sock_write_iter (net/socket.c:1269)
[  251.826971][ T6932]  ? move_addr_to_kernel (net/socket.c:258)
[  251.826978][ T6932]  ___sys_sendmsg (net/socket.c:2767)
[  251.826981][ T6932]  ? copy_msghdr_from_user (net/socket.c:2619)
[  251.826997][ T6932]  __sys_sendmsg (net/socket.c:2799)
[  251.827000][ T6932]  ? __sys_sendmsg_sock (net/socket.c:2780)
[  251.827007][ T6932]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  251.827010][ T6932]  do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84)
[  251.827013][ T6932]  ? exc_page_fault (arch/x86/mm/fault.c:1489 (discriminator 3) arch/x86/mm/fault.c:1536 (discriminator 3))
[  251.827016][ T6932]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[  251.827018][ T6932] RIP: 0033:0x7f27c5c2d54e
[  251.827022][ T6932] 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
[  251.827024][ T6932] RSP: 002b:00007fff19f05a00 EFLAGS: 00000202 ORIG_RAX: 000000000000002e
[  251.827027][ T6932] RAX: ffffffffffffffda RBX: 0000000000000003 RCX: 00007f27c5c2d54e
[  251.827029][ T6932] RDX: 0000000000000000 RSI: 00007fff19f05ab0 RDI: 0000000000000005
[  251.827030][ T6932] RBP: 00007fff19f05a10 R08: 0000000000000000 R09: 0000000000000000
[  251.827030][ T6932] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a91a539
[  251.827031][ T6932] R13: 00000000004a1620 R14: 0000000000000000 R15: 00007fff19f06170
| [  255.980708][   T71] softirqs last disabled at (7444778): netlink_release (./include/net/sock.h:2138 net/netlink/af_netlink.c:727)
| [  255.980710][   T71] Preemption disabled at:
| [  255.980711][   T71] vprintk_emit (kernel/printk/printk.c:2471)
| [  255.980720][   T71] Tainted: [W]=WARN
[  255.980720][   T71] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[  255.980722][   T71] Workqueue: netns cleanup_net
[  255.980726][   T71] Call Trace:
[  255.980727][   T71]  <TASK>
[  255.980730][   T71]  dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120)
[  255.980736][   T71]  ? vprintk_emit (kernel/printk/printk.c:2471)
[  255.980738][   T71]  __might_resched.cold (kernel/sched/core.c:9234)
[  255.980742][   T71]  ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3))
[  255.980746][   T71]  ? __kmalloc_noprof (./include/linux/sched/mm.h:317 mm/slub.c:4636 mm/slub.c:4974 mm/slub.c:5413 mm/slub.c:5439)
[  255.980751][   T71]  __kmalloc_noprof (./include/linux/sched/mm.h:322 (discriminator 2) mm/slub.c:4636 (discriminator 2) mm/slub.c:4974 (discriminator 2) mm/slub.c:5413 (discriminator 2) mm/slub.c:5439 (discriminator 2))
[  255.980753][   T71]  ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[  255.980760][   T71]  ? do_raw_spin_unlock (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:32 ./include/asm-generic/qspinlock.h:58 kernel/locking/spinlock_debug.c:101 kernel/locking/spinlock_debug.c:141)
[  255.980763][   T71]  alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[  255.980767][   T71]  put_chars (drivers/char/virtio_console.c:1176)
[  255.980770][   T71]  ? __send_to_port (drivers/char/virtio_console.c:654)
[  255.980771][   T71]  ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4116 (discriminator 3) kernel/rcu/tree.c:4108 (discriminator 3))
[  255.980775][   T71]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380)
[  255.980777][   T71]  ? validate_chain (kernel/locking/lockdep.c:3817 (discriminator 2) kernel/locking/lockdep.c:3837 (discriminator 2) kernel/locking/lockdep.c:3892 (discriminator 2))
[  255.980783][   T71]  hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2))
[  255.980787][   T71]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[  255.980792][   T71]  ? hvc_write (drivers/tty/hvc/hvc_console.c:501)
[  255.980796][   T71]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  255.980801][   T71]  console_emit_next_record (kernel/printk/printk.c:3183)
[  255.980805][   T71]  ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20)
[  255.980807][   T71]  ? 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))
[  255.980810][   T71]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  255.980812][   T71]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  255.980817][   T71]  console_flush_one_record (kernel/printk/printk.c:3268)
[  255.980821][   T71]  ? console_emit_next_record (kernel/printk/printk.c:3150)
[  255.980823][   T71]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[  255.980829][   T71]  console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420)
[  255.980832][   T71]  ? console_flush_one_record (kernel/printk/printk.c:3316)
[  255.980834][   T71]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  255.980836][   T71]  ? 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)
[  255.980840][   T71]  ? __down_trylock_console_sem (kernel/printk/printk.c:334)
[  255.980842][   T71]  ? vprintk_emit (kernel/printk/printk.c:2478)
[  255.980845][   T71]  vprintk_emit (kernel/printk/printk.c:2479)
[  255.980848][   T71]  ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126))
[  255.980850][   T71]  ? cleanup_net (net/core/net_namespace.c:706)
[  255.980852][   T71]  ? worker_thread (kernel/workqueue.c:3470 kernel/workqueue.c:3551)
[  255.980854][   T71]  ? kthread (kernel/kthread.c:436)
[  255.980856][   T71]  ? ret_from_fork (arch/x86/kernel/process.c:158)
[  255.980859][   T71]  ? ret_from_fork_asm (arch/x86/entry/entry_64.S:245)
[  255.980864][   T71]  _printk (kernel/printk/printk.c:2504)
[  255.980868][   T71]  ? snapshot_read.cold (user.c:?)
[  255.980873][   T71]  ? netdev_name (./include/linux/netdevice.h:5709 (discriminator 1))
[  255.980876][   T71]  ? __netdev_printk (net/core/dev.c:13148 (discriminator 2))
[  255.980881][   T71]  netdev_info (net/core/dev.c:13195 (discriminator 3))
[  255.980884][   T71]  ? netdev_notice (net/core/dev.c:13194)
[  255.980888][   T71]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  255.980890][   T71]  ? __up_read (kernel/locking/rwsem.c:1397 (discriminator 1))
[  255.980893][   T71]  ? down_write_nested (kernel/locking/rwsem.c:1759)
[  255.980895][   T71]  ? 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)
[  255.980897][   T71]  netif_set_allmulti.cold (net/core/dev.c:9731 (discriminator 3))
[  255.980902][   T71]  dev_set_allmulti (net/core/dev_api.c:315)
[  255.980905][   T71]  del_nbp (net/bridge/br_if.c:253 net/bridge/br_if.c:341)
[  255.980909][   T71]  ? __up_write (kernel/locking/rwsem.c:1415)
[  255.980910][   T71]  ? __up_write (kernel/locking/rwsem.c:1422 (discriminator 1))
[  255.980914][   T71]  br_dev_delete (net/bridge/br_if.c:387)
[  255.980918][   T71]  br_net_exit_rtnl (net/bridge/br.c:414)
[  255.980922][   T71]  ops_undo_list (net/core/net_namespace.c:181 net/core/net_namespace.c:249)
[  255.980926][   T71]  ? lockdep_hardirqs_on (kernel/locking/lockdep.c:4488)
[  255.980930][   T71]  ? netns_install (./include/linux/ns_common.h:26)
[  255.980931][   T71]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554)
[  255.980935][   T71]  ? idr_destroy (lib/radix-tree.c:310 lib/radix-tree.c:674 lib/radix-tree.c:1563)
[  255.980940][   T71]  cleanup_net (net/core/net_namespace.c:706)
[  255.980943][   T71]  ? net_passive_dec (./include/linux/llist.h:241)
[  255.980947][   T71]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  255.980949][   T71]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  255.980952][   T71]  process_one_work (kernel/workqueue.c:3387)
[  255.980959][   T71]  ? __queue_delayed_work (kernel/workqueue.c:2622)
[  255.980963][   T71]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2))
[  255.980971][   T71]  worker_thread (kernel/workqueue.c:3470 kernel/workqueue.c:3551)
[  255.980975][   T71]  ? rescuer_thread (./include/linux/list.h:419 (discriminator 3))
[  255.980977][   T71]  ? __kthread_parkme (./include/linux/instrumented.h:82 ./include/asm-generic/bitops/instrumented-non-atomic.h:141 kernel/kthread.c:272)
[  255.980980][   T71]  ? rescuer_thread (./include/linux/list.h:419 (discriminator 3))
[  255.980983][   T71]  ? rescuer_thread (./include/linux/list.h:419 (discriminator 3))
[  255.980985][   T71]  kthread (kernel/kthread.c:436)
[  255.980987][   T71]  ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22))
[  255.980991][   T71]  ? kthread_affine_preferred (kernel/kthread.c:857)
[  255.980994][   T71]  ret_from_fork (arch/x86/kernel/process.c:158)
[  255.980997][   T71]  ? arch_exit_to_user_mode_prepare.isra.0 (arch/x86/entry/vdso/vma.c:80 (discriminator 1))
[  255.981001][   T71]  ? __switch_to (arch/x86/kernel/process_64.c:403 arch/x86/kernel/process_64.c:663)
[  255.981004][   T71]  ? kthread_affine_preferred (kernel/kthread.c:857)
[  255.981007][   T71]  ret_from_fork_asm (arch/x86/entry/entry_64.S:245)
| [  259.857410][ T7146] softirqs last disabled at (44444): __alloc_skb (./include/linux/bottom_half.h:20 (discriminator 2) net/core/skbuff.c:697 (discriminator 2))
| [  259.857413][ T7146] Preemption disabled at:
| [  259.857414][ T7146] vprintk_emit (kernel/printk/printk.c:2471)
| [  259.857422][ T7146] Tainted: [W]=WARN
[  259.857423][ T7146] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[  259.857425][ T7146] Call Trace:
[  259.857427][ T7146]  <TASK>
[  259.857428][ T7146]  dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120)
[  259.857435][ T7146]  ? vprintk_emit (kernel/printk/printk.c:2471)
[  259.857437][ T7146]  __might_resched.cold (kernel/sched/core.c:9234)
[  259.857441][ T7146]  ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3))
[  259.857445][ T7146]  ? __kmalloc_noprof (./include/linux/sched/mm.h:317 mm/slub.c:4636 mm/slub.c:4974 mm/slub.c:5413 mm/slub.c:5439)
[  259.857450][ T7146]  __kmalloc_noprof (./include/linux/sched/mm.h:322 (discriminator 2) mm/slub.c:4636 (discriminator 2) mm/slub.c:4974 (discriminator 2) mm/slub.c:5413 (discriminator 2) mm/slub.c:5439 (discriminator 2))
[  259.857452][ T7146]  ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[  259.857458][ T7146]  ? do_raw_spin_unlock (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:32 ./include/asm-generic/qspinlock.h:58 kernel/locking/spinlock_debug.c:101 kernel/locking/spinlock_debug.c:141)
[  259.857461][ T7146]  alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[  259.857465][ T7146]  put_chars (drivers/char/virtio_console.c:1176)
[  259.857468][ T7146]  ? __send_to_port (drivers/char/virtio_console.c:654)
[  259.857469][ T7146]  ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4116 (discriminator 3) kernel/rcu/tree.c:4108 (discriminator 3))
[  259.857472][ T7146]  ? validate_chain (kernel/locking/lockdep.c:3817 (discriminator 2) kernel/locking/lockdep.c:3837 (discriminator 2) kernel/locking/lockdep.c:3892 (discriminator 2))
[  259.857478][ T7146]  hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2))
[  259.857486][ T7146]  ? hvc_write (drivers/tty/hvc/hvc_console.c:501)
[  259.857489][ T7146]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  259.857491][ T7146]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  259.857495][ T7146]  console_emit_next_record (kernel/printk/printk.c:3183)
[  259.857499][ T7146]  ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20)
[  259.857501][ T7146]  ? 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))
[  259.857505][ T7146]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  259.857506][ T7146]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  259.857510][ T7146]  console_flush_one_record (kernel/printk/printk.c:3268)
[  259.857515][ T7146]  ? console_emit_next_record (kernel/printk/printk.c:3150)
[  259.857517][ T7146]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[  259.857522][ T7146]  console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420)
[  259.857525][ T7146]  ? console_flush_one_record (kernel/printk/printk.c:3316)
[  259.857527][ T7146]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  259.857529][ T7146]  ? 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)
[  259.857533][ T7146]  ? __down_trylock_console_sem (kernel/printk/printk.c:334)
[  259.857534][ T7146]  ? vprintk_emit (kernel/printk/printk.c:2478)
[  259.857537][ T7146]  vprintk_emit (kernel/printk/printk.c:2479)
[  259.857540][ T7146]  ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126))
[  259.857542][ T7146]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554)
[  259.857545][ T7146]  ? mark_held_locks (kernel/locking/lockdep.c:4341)
[  259.857549][ T7146]  _printk (kernel/printk/printk.c:2504)
[  259.857553][ T7146]  ? snapshot_read.cold (user.c:?)
[  259.857556][ T7146]  ? br_multicast_flood (??:?)
[  259.857560][ T7146]  ? do_setlink.isra.0 (net/core/rtnetlink.c:3273 (discriminator 1))
[  259.857561][ T7146]  ? rtnl_newlink (net/core/rtnetlink.c:4215)
[  259.857562][ T7146]  ? rtnetlink_rcv_msg (net/core/rtnetlink.c:7132)
[  259.857567][ T7146]  br_set_state (net/bridge/br_stp.c:57 (discriminator 2))
[  259.857571][ T7146]  br_init_port (net/bridge/br_stp_if.c:39)
[  259.857575][ T7146]  new_nbp (net/bridge/br_if.c:449)
[  259.857582][ T7146]  br_add_if (net/bridge/br_if.c:592)
[  259.857585][ T7146]  ? is_bpf_text_address (./include/linux/rcupdate.h:882 kernel/bpf/core.c:751)
[  259.857589][ T7146]  ? kernel_text_address (kernel/extable.c:125 kernel/extable.c:94)
[  259.857594][ T7146]  do_set_master (net/core/rtnetlink.c:3071)
[  259.857598][ T7146]  do_setlink.isra.0 (net/core/rtnetlink.c:3273 (discriminator 1))
[  259.857602][ T7146]  ? stack_trace_save (kernel/stacktrace.c:122 (discriminator 1))
[  259.857605][ T7146]  ? rtnl_link_get_size (net/core/rtnetlink.c:747)
[  259.857607][ T7146]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:388 kernel/rcu/update.c:380)
[  259.857610][ T7146]  ? stack_depot_save_flags (lib/stackdepot.c:609 (discriminator 2) lib/stackdepot.c:676 (discriminator 2))
[  259.857613][ T7146]  ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4116 (discriminator 3) kernel/rcu/tree.c:4108 (discriminator 3))
[  259.857615][ T7146]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380)
[  259.857617][ T7146]  ? validate_chain (kernel/locking/lockdep.c:3817 (discriminator 2) kernel/locking/lockdep.c:3837 (discriminator 2) kernel/locking/lockdep.c:3892 (discriminator 2))
[  259.857619][ T7146]  ? kasan_save_stack (mm/kasan/common.c:58)
[  259.857622][ T7146]  ? kasan_save_stack (mm/kasan/common.c:57)
[  259.857623][ T7146]  ? kasan_save_track (mm/kasan/common.c:78)
[  259.857624][ T7146]  ? __kasan_kmalloc (mm/kasan/common.c:398 mm/kasan/common.c:415)
[  259.857627][ T7146]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[  259.857629][ T7146]  ? snd_ac97_proc_read_main (sound/pci/ac97/ac97_proc.c:320)
[  259.857632][ T7146]  ? ___sys_sendmsg (net/socket.c:2758)
[  259.857635][ T7146]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2))
[  259.857637][ T7146]  ? rtnl_newlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:366 net/core/rtnetlink.c:4214)
[  259.857640][ T7146]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  259.857642][ T7146]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  259.857643][ T7146]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  259.857645][ T7146]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  259.857646][ T7146]  ? trace_contention_end (./include/trace/events/lock.h:121 (discriminator 22))
[  259.857649][ T7146]  ? __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)
[  259.857651][ T7146]  ? __mutex_lock (kernel/locking/mutex.c:656 (discriminator 1) kernel/locking/mutex.c:821 (discriminator 1))
[  259.857653][ T7146]  ? rtnl_newlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:366 net/core/rtnetlink.c:4214)
[  259.857657][ T7146]  ? ww_mutex_lock (kernel/locking/mutex.c:934)
[  259.857658][ T7146]  ? nla_get_range_signed (lib/nlattr.c:270)
[  259.857665][ T7146]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  259.857668][ T7146]  ? __rtnl_newlink (net/core/rtnetlink.c:4063)
[  259.857673][ T7146]  rtnl_newlink (net/core/rtnetlink.c:4215)
[  259.857678][ T7146]  ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558)
[  259.857680][ T7146]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[  259.857685][ T7146]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2))
[  259.857687][ T7146]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[  259.857689][ T7146]  ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558)
[  259.857691][ T7146]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554)
[  259.857695][ T7146]  ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558)
[  259.857697][ T7146]  rtnetlink_rcv_msg (net/core/rtnetlink.c:7132)
[  259.857701][ T7146]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[  259.857702][ T7146]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[  259.857707][ T7146]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2))
[  259.857709][ T7146]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[  259.857712][ T7146]  netlink_rcv_skb (net/netlink/af_netlink.c:2556)
[  259.857715][ T7146]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[  259.857718][ T7146]  ? netlink_ack (./include/linux/skbuff.h:2718)
[  259.857725][ T7146]  ? 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))
[  259.857727][ T7146]  ? 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))
[  259.857731][ T7146]  netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[  259.857736][ T7146]  ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[  259.857738][ T7146]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[  259.857743][ T7146]  netlink_sendmsg (net/netlink/af_netlink.c:1900)
[  259.857747][ T7146]  ? netlink_unicast (./include/net/net_namespace.h:422 (discriminator 7))
[  259.857751][ T7146]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554)
[  259.857752][ T7146]  ? __import_iovec (lib/iov_iter.c:1358 lib/iov_iter.c:1373)
[  259.857758][ T7146]  __sock_sendmsg (net/socket.c:800 (discriminator 4) net/socket.c:815 (discriminator 4))
[  259.857761][ T7146]  ____sys_sendmsg (net/socket.c:2713)
[  259.857763][ T7146]  ? copy_msghdr_from_user (net/socket.c:2650)
[  259.857765][ T7146]  ? sock_write_iter (net/socket.c:1269)
[  259.857767][ T7146]  ? move_addr_to_kernel (net/socket.c:258)
[  259.857775][ T7146]  ___sys_sendmsg (net/socket.c:2767)
[  259.857777][ T7146]  ? copy_msghdr_from_user (net/socket.c:2619)
[  259.857794][ T7146]  __sys_sendmsg (net/socket.c:2799)
[  259.857797][ T7146]  ? __sys_sendmsg_sock (net/socket.c:2780)
[  259.857803][ T7146]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  259.857806][ T7146]  do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84)
[  259.857809][ T7146]  ? exc_page_fault (arch/x86/mm/fault.c:1489 (discriminator 3) arch/x86/mm/fault.c:1536 (discriminator 3))
[  259.857812][ T7146]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[  259.857815][ T7146] RIP: 0033:0x7f127d91054e
[  259.857819][ T7146] 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
[  259.857820][ T7146] RSP: 002b:00007ffcd6071270 EFLAGS: 00000202 ORIG_RAX: 000000000000002e
[  259.857823][ T7146] RAX: ffffffffffffffda RBX: 0000000000000003 RCX: 00007f127d91054e
[  259.857825][ T7146] RDX: 0000000000000000 RSI: 00007ffcd6071320 RDI: 0000000000000005
[  259.857826][ T7146] RBP: 00007ffcd6071280 R08: 0000000000000000 R09: 0000000000000000
[  259.857827][ T7146] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a91a541
[  259.857827][ T7146] R13: 00000000004a1620 R14: 0000000000000000 R15: 00007ffcd60719e0
| [  264.049645][   T71] softirqs last disabled at (7637706): netlink_release (./include/net/sock.h:2138 net/netlink/af_netlink.c:727)
| [  264.049648][   T71] Preemption disabled at:
| [  264.049648][   T71] vprintk_emit (kernel/printk/printk.c:2471)
| [  264.049657][   T71] Tainted: [W]=WARN
[  264.049658][   T71] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[  264.049664][   T71] Workqueue: netns cleanup_net
[  264.049667][   T71] Call Trace:
[  264.049669][   T71]  <TASK>
[  264.049671][   T71]  dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120)
[  264.049678][   T71]  ? vprintk_emit (kernel/printk/printk.c:2471)
[  264.049679][   T71]  __might_resched.cold (kernel/sched/core.c:9234)
[  264.049684][   T71]  ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3))
[  264.049688][   T71]  ? __kmalloc_noprof (./include/linux/sched/mm.h:317 mm/slub.c:4636 mm/slub.c:4974 mm/slub.c:5413 mm/slub.c:5439)
[  264.049693][   T71]  __kmalloc_noprof (./include/linux/sched/mm.h:322 (discriminator 2) mm/slub.c:4636 (discriminator 2) mm/slub.c:4974 (discriminator 2) mm/slub.c:5413 (discriminator 2) mm/slub.c:5439 (discriminator 2))
[  264.049695][   T71]  ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[  264.049702][   T71]  ? do_raw_spin_unlock (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:32 ./include/asm-generic/qspinlock.h:58 kernel/locking/spinlock_debug.c:101 kernel/locking/spinlock_debug.c:141)
[  264.049705][   T71]  alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[  264.049709][   T71]  put_chars (drivers/char/virtio_console.c:1176)
[  264.049712][   T71]  ? __send_to_port (drivers/char/virtio_console.c:654)
[  264.049713][   T71]  ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4116 (discriminator 3) kernel/rcu/tree.c:4108 (discriminator 3))
[  264.049717][   T71]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380)
[  264.049720][   T71]  ? validate_chain (kernel/locking/lockdep.c:3817 (discriminator 2) kernel/locking/lockdep.c:3837 (discriminator 2) kernel/locking/lockdep.c:3892 (discriminator 2))
[  264.049725][   T71]  hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2))
[  264.049730][   T71]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[  264.049735][   T71]  ? hvc_write (drivers/tty/hvc/hvc_console.c:501)
[  264.049738][   T71]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  264.049743][   T71]  console_emit_next_record (kernel/printk/printk.c:3183)
[  264.049748][   T71]  ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20)
[  264.049750][   T71]  ? 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))
[  264.049753][   T71]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  264.049755][   T71]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  264.049760][   T71]  console_flush_one_record (kernel/printk/printk.c:3268)
[  264.049764][   T71]  ? console_emit_next_record (kernel/printk/printk.c:3150)
[  264.049766][   T71]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[  264.049772][   T71]  console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420)
[  264.049775][   T71]  ? console_flush_one_record (kernel/printk/printk.c:3316)
[  264.049778][   T71]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  264.049780][   T71]  ? 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)
[  264.049784][   T71]  ? __down_trylock_console_sem (kernel/printk/printk.c:334)
[  264.049786][   T71]  ? vprintk_emit (kernel/printk/printk.c:2478)
[  264.049788][   T71]  vprintk_emit (kernel/printk/printk.c:2479)
[  264.049792][   T71]  ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126))
[  264.049793][   T71]  ? cleanup_net (net/core/net_namespace.c:706)
[  264.049795][   T71]  ? worker_thread (kernel/workqueue.c:3470 kernel/workqueue.c:3551)
[  264.049797][   T71]  ? kthread (kernel/kthread.c:436)
[  264.049799][   T71]  ? ret_from_fork (arch/x86/kernel/process.c:158)
[  264.049802][   T71]  ? ret_from_fork_asm (arch/x86/entry/entry_64.S:245)
[  264.049808][   T71]  _printk (kernel/printk/printk.c:2504)
[  264.049811][   T71]  ? snapshot_read.cold (user.c:?)
[  264.049816][   T71]  ? netdev_name (./include/linux/netdevice.h:5709 (discriminator 1))
[  264.049820][   T71]  ? __netdev_printk (net/core/dev.c:13148 (discriminator 2))
[  264.049824][   T71]  netdev_info (net/core/dev.c:13195 (discriminator 3))
[  264.049827][   T71]  ? netdev_notice (net/core/dev.c:13194)
[  264.049832][   T71]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  264.049834][   T71]  ? __up_read (kernel/locking/rwsem.c:1397 (discriminator 1))
[  264.049837][   T71]  ? down_write_nested (kernel/locking/rwsem.c:1759)
[  264.049839][   T71]  ? 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)
[  264.049842][   T71]  netif_set_allmulti.cold (net/core/dev.c:9731 (discriminator 3))
[  264.049846][   T71]  dev_set_allmulti (net/core/dev_api.c:315)
[  264.049850][   T71]  del_nbp (net/bridge/br_if.c:253 net/bridge/br_if.c:341)
[  264.049853][   T71]  ? __up_write (kernel/locking/rwsem.c:1415)
[  264.049855][   T71]  ? __up_write (kernel/locking/rwsem.c:1422 (discriminator 1))
[  264.049859][   T71]  br_dev_delete (net/bridge/br_if.c:387)
[  264.049862][   T71]  br_net_exit_rtnl (net/bridge/br.c:414)
[  264.049866][   T71]  ops_undo_list (net/core/net_namespace.c:181 net/core/net_namespace.c:249)
[  264.049870][   T71]  ? lockdep_hardirqs_on (kernel/locking/lockdep.c:4488)
[  264.049874][   T71]  ? netns_install (./include/linux/ns_common.h:26)
[  264.049876][   T71]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554)
[  264.049879][   T71]  ? idr_destroy (lib/radix-tree.c:310 lib/radix-tree.c:674 lib/radix-tree.c:1563)
[  264.049884][   T71]  cleanup_net (net/core/net_namespace.c:706)
[  264.049888][   T71]  ? net_passive_dec (./include/linux/llist.h:241)
[  264.049892][   T71]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  264.049894][   T71]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  264.049898][   T71]  process_one_work (kernel/workqueue.c:3387)
[  264.049905][   T71]  ? __queue_delayed_work (kernel/workqueue.c:2622)
[  264.049908][   T71]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2))
[  264.049916][   T71]  worker_thread (kernel/workqueue.c:3470 kernel/workqueue.c:3551)
[  264.049920][   T71]  ? rescuer_thread (./include/linux/list.h:419 (discriminator 3))
[  264.049923][   T71]  ? __kthread_parkme (./include/linux/instrumented.h:82 ./include/asm-generic/bitops/instrumented-non-atomic.h:141 kernel/kthread.c:272)
[  264.049926][   T71]  ? rescuer_thread (./include/linux/list.h:419 (discriminator 3))
[  264.049929][   T71]  ? rescuer_thread (./include/linux/list.h:419 (discriminator 3))
[  264.049931][   T71]  kthread (kernel/kthread.c:436)
[  264.049933][   T71]  ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22))
[  264.049936][   T71]  ? kthread_affine_preferred (kernel/kthread.c:857)
[  264.049940][   T71]  ret_from_fork (arch/x86/kernel/process.c:158)
[  264.049943][   T71]  ? arch_exit_to_user_mode_prepare.isra.0 (arch/x86/entry/vdso/vma.c:80 (discriminator 1))
[  264.049946][   T71]  ? __switch_to (arch/x86/kernel/process_64.c:403 arch/x86/kernel/process_64.c:663)
[  264.049950][   T71]  ? kthread_affine_preferred (kernel/kthread.c:857)
[  264.049953][   T71]  ret_from_fork_asm (arch/x86/entry/entry_64.S:245)
| [  268.449859][ T7335] softirqs last disabled at (167055): __irq_exit_rcu (kernel/softirq.c:679 kernel/softirq.c:519 kernel/softirq.c:767)
| [  268.449862][ T7335] Preemption disabled at:
| [  268.449863][ T7335] vprintk_emit (kernel/printk/printk.c:2471)
| [  268.449872][ T7335] Tainted: [W]=WARN
[  268.449872][ T7335] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[  268.449874][ T7335] Call Trace:
[  268.449876][ T7335]  <TASK>
[  268.449877][ T7335]  dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120)
[  268.449884][ T7335]  ? vprintk_emit (kernel/printk/printk.c:2471)
[  268.449885][ T7335]  __might_resched.cold (kernel/sched/core.c:9234)
[  268.449890][ T7335]  ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3))
[  268.449894][ T7335]  ? __kmalloc_noprof (./include/linux/sched/mm.h:317 mm/slub.c:4636 mm/slub.c:4974 mm/slub.c:5413 mm/slub.c:5439)
[  268.449898][ T7335]  __kmalloc_noprof (./include/linux/sched/mm.h:322 (discriminator 2) mm/slub.c:4636 (discriminator 2) mm/slub.c:4974 (discriminator 2) mm/slub.c:5413 (discriminator 2) mm/slub.c:5439 (discriminator 2))
[  268.449900][ T7335]  ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[  268.449907][ T7335]  ? do_raw_spin_unlock (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:32 ./include/asm-generic/qspinlock.h:58 kernel/locking/spinlock_debug.c:101 kernel/locking/spinlock_debug.c:141)
[  268.449910][ T7335]  alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[  268.449914][ T7335]  put_chars (drivers/char/virtio_console.c:1176)
[  268.449917][ T7335]  ? __send_to_port (drivers/char/virtio_console.c:654)
[  268.449920][ T7335]  ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4116 (discriminator 3) kernel/rcu/tree.c:4108 (discriminator 3))
[  268.449923][ T7335]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380)
[  268.449926][ T7335]  ? validate_chain (kernel/locking/lockdep.c:3817 (discriminator 2) kernel/locking/lockdep.c:3837 (discriminator 2) kernel/locking/lockdep.c:3892 (discriminator 2))
[  268.449930][ T7335]  hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2))
[  268.449934][ T7335]  ? mark_usage (kernel/locking/lockdep.c:4690)
[  268.449936][ T7335]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[  268.449938][ T7335]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[  268.449942][ T7335]  ? hvc_write (drivers/tty/hvc/hvc_console.c:501)
[  268.449944][ T7335]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2))
[  268.449949][ T7335]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  268.449953][ T7335]  console_emit_next_record (kernel/printk/printk.c:3183)
[  268.449957][ T7335]  ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20)
[  268.449959][ T7335]  ? 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))
[  268.449963][ T7335]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  268.449965][ T7335]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  268.449969][ T7335]  console_flush_one_record (kernel/printk/printk.c:3268)
[  268.449974][ T7335]  ? console_emit_next_record (kernel/printk/printk.c:3150)
[  268.449976][ T7335]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[  268.449981][ T7335]  console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420)
[  268.449984][ T7335]  ? console_flush_one_record (kernel/printk/printk.c:3316)
[  268.449986][ T7335]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  268.449988][ T7335]  ? 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)
[  268.449992][ T7335]  ? __down_trylock_console_sem (kernel/printk/printk.c:334)
[  268.449994][ T7335]  ? vprintk_emit (kernel/printk/printk.c:2478)
[  268.449997][ T7335]  vprintk_emit (kernel/printk/printk.c:2479)
[  268.450000][ T7335]  ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126))
[  268.450006][ T7335]  ? nf_defrag_fini+0x980/0x980 nf_defrag_ipv4
[  268.450009][ T7335]  _printk (kernel/printk/printk.c:2504)
[  268.450013][ T7335]  ? snapshot_read.cold (user.c:?)
[  268.450019][ T7335]  ? 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)
[  268.450023][ T7335] dp_init (net/openvswitch/actions.c:729) openvswitch
[  268.450031][ T7335]  ? nf_defrag_fini+0x980/0x980 nf_defrag_ipv4
[  268.450033][ T7335]  do_one_initcall (init/main.c:1357)
[  268.450036][ T7335]  ? trace_event_raw_event_initcall_level (./include/trace/events/initcall.h:10)
[  268.450041][ T7335]  ? do_init_module (./include/linux/slab.h:991 (discriminator 1) kernel/module/main.c:3105 (discriminator 1))
[  268.450043][ T7335]  ? kasan_unpoison (mm/kasan/shadow.c:146 mm/kasan/shadow.c:178)
[  268.450049][ T7335]  do_init_module (kernel/module/main.c:3117)
[  268.450052][ T7335]  ? lockdep_hardirqs_on (kernel/locking/lockdep.c:4488)
[  268.450057][ T7335]  ? free_module (./include/trace/events/module.h:50 (discriminator 19))
[  268.450059][ T7335]  ? kfree (./include/linux/kasan.h:235 mm/slub.c:2748 mm/slub.c:6499 mm/slub.c:6792)
[  268.450063][ T7335]  load_module (kernel/module/main.c:3593)
[  268.450068][ T7335]  ? security_kernel_post_read_file (security/security.c:2997 (discriminator 11))
[  268.450073][ T7335]  ? layout_and_allocate.isra.0 (kernel/module/main.c:3016)
[  268.450076][ T7335]  ? __ia32_sys_fsconfig (??:?)
[  268.450081][ T7335]  ? backing_file_read_iter (fs/backing-file.c:211)
[  268.450084][ T7335]  ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4116 (discriminator 3) kernel/rcu/tree.c:4108 (discriminator 3))
[  268.450088][ T7335]  init_module_from_file (kernel/module/main.c:3790)
[  268.450090][ T7335]  ? __do_sys_init_module (kernel/module/main.c:3664)
[  268.450098][ T7335]  ? __rwlock_init (kernel/locking/spinlock_debug.c:48)
[  268.450102][ T7335]  ? do_raw_spin_unlock (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:32 ./include/asm-generic/qspinlock.h:58 kernel/locking/spinlock_debug.c:101 kernel/locking/spinlock_debug.c:141)
[  268.450105][ T7335]  idempotent_init_module (kernel/module/main.c:3802)
[  268.450108][ T7335]  ? init_module_from_file (kernel/module/main.c:3791)
[  268.450114][ T7335]  ? cap_capable (./include/trace/events/capability.h:26 (discriminator 22) security/commoncap.c:130 (discriminator 22))
[  268.450116][ T7335]  ? __x64_sys_pread64 (fs/read_write.c:764 fs/read_write.c:772 fs/read_write.c:769 fs/read_write.c:769)
[  268.450122][ T7335]  __x64_sys_finit_module (kernel/module/main.c:3828 kernel/module/main.c:3812 kernel/module/main.c:3812)
[  268.450123][ T7335]  ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22))
[  268.450127][ T7335]  do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84)
[  268.450130][ T7335]  ? exc_page_fault (arch/x86/mm/fault.c:1489 (discriminator 3) arch/x86/mm/fault.c:1536 (discriminator 3))
[  268.450133][ T7335]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[  268.450136][ T7335] RIP: 0033:0x7f4b9a78e37d
[  268.450139][ T7335] 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
[  268.450141][ T7335] RSP: 002b:00007ffdd1573a38 EFLAGS: 00000246 ORIG_RAX: 0000000000000139
[  268.450144][ T7335] RAX: ffffffffffffffda RBX: 000055a91e414810 RCX: 00007f4b9a78e37d
[  268.450145][ T7335] RDX: 0000000000000000 RSI: 000055a8e8ce6ffd RDI: 0000000000000005
[  268.450146][ T7335] RBP: 00007ffdd1573ad0 R08: 0000000000000000 R09: 646f6d2f62696c2f
[  268.450147][ T7335] R10: 0000000000000000 R11: 0000000000000246 R12: 000055a8e8ce6ffd
[  268.450148][ T7335] R13: 000055a91e414a90 R14: 0000000000040000 R15: 0000000000000000
| [  269.740457][ T7367] softirqs last disabled at (397634): inet6_fill_ifla6_attrs (net/ipv6/addrconf.c:5883)
| [  269.740459][ T7367] Preemption disabled at:
| [  269.740460][ T7367] vprintk_emit (kernel/printk/printk.c:2471)
| [  269.740468][ T7367] Tainted: [W]=WARN
[  269.740469][ T7367] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[  269.740471][ T7367] Call Trace:
[  269.740473][ T7367]  <TASK>
[  269.740474][ T7367]  dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120)
[  269.740481][ T7367]  ? vprintk_emit (kernel/printk/printk.c:2471)
[  269.740483][ T7367]  __might_resched.cold (kernel/sched/core.c:9234)
[  269.740487][ T7367]  ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3))
[  269.740492][ T7367]  ? __kmalloc_noprof (./include/linux/sched/mm.h:317 mm/slub.c:4636 mm/slub.c:4974 mm/slub.c:5413 mm/slub.c:5439)
[  269.740497][ T7367]  __kmalloc_noprof (./include/linux/sched/mm.h:322 (discriminator 2) mm/slub.c:4636 (discriminator 2) mm/slub.c:4974 (discriminator 2) mm/slub.c:5413 (discriminator 2) mm/slub.c:5439 (discriminator 2))
[  269.740499][ T7367]  ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[  269.740505][ T7367]  ? do_raw_spin_unlock (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:32 ./include/asm-generic/qspinlock.h:58 kernel/locking/spinlock_debug.c:101 kernel/locking/spinlock_debug.c:141)
[  269.740508][ T7367]  alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[  269.740512][ T7367]  put_chars (drivers/char/virtio_console.c:1176)
[  269.740515][ T7367]  ? __send_to_port (drivers/char/virtio_console.c:654)
[  269.740518][ T7367]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380)
[  269.740521][ T7367]  ? validate_chain (kernel/locking/lockdep.c:3817 (discriminator 2) kernel/locking/lockdep.c:3837 (discriminator 2) kernel/locking/lockdep.c:3892 (discriminator 2))
[  269.740526][ T7367]  hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2))
[  269.740531][ T7367]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[  269.740532][ T7367]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[  269.740537][ T7367]  ? hvc_write (drivers/tty/hvc/hvc_console.c:501)
[  269.740541][ T7367]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  269.740543][ T7367]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  269.740548][ T7367]  console_emit_next_record (kernel/printk/printk.c:3183)
[  269.740552][ T7367]  ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20)
[  269.740554][ T7367]  ? 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))
[  269.740558][ T7367]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  269.740560][ T7367]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  269.740564][ T7367]  console_flush_one_record (kernel/printk/printk.c:3268)
[  269.740568][ T7367]  ? console_emit_next_record (kernel/printk/printk.c:3150)
[  269.740570][ T7367]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[  269.740580][ T7367]  console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420)
[  269.740584][ T7367]  ? console_flush_one_record (kernel/printk/printk.c:3316)
[  269.740587][ T7367]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  269.740590][ T7367]  ? 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)
[  269.740594][ T7367]  ? __down_trylock_console_sem (kernel/printk/printk.c:334)
[  269.740596][ T7367]  ? vprintk_emit (kernel/printk/printk.c:2478)
[  269.740599][ T7367]  vprintk_emit (kernel/printk/printk.c:2479)
[  269.740603][ T7367]  ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126))
[  269.740609][ T7367]  _printk (kernel/printk/printk.c:2504)
[  269.740613][ T7367]  ? snapshot_read.cold (user.c:?)
[  269.740616][ T7367]  ? lockdep_rtnl_is_held (./include/linux/lockdep.h:249 net/core/rtnetlink.c:182)
[  269.740619][ T7367]  ? netdev_upper_get_next_dev_rcu (net/core/dev.c:8213 (discriminator 5))
[  269.740623][ T7367]  ? __netdev_update_features (net/core/dev.c:11078 (discriminator 2))
[  269.740625][ T7367]  ? netdev_name (./include/linux/netdevice.h:5709 (discriminator 1))
[  269.740630][ T7367]  ? __netdev_printk (net/core/dev.c:13148 (discriminator 2))
[  269.740634][ T7367]  netdev_info (net/core/dev.c:13195 (discriminator 3))
[  269.740637][ T7367]  ? netdev_notice (net/core/dev.c:13194)
[  269.740639][ T7367]  ? ovs_netdev_link (net/openvswitch/vport-netdev.c:85) openvswitch
[  269.740648][ T7367]  ? 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)
[  269.740651][ T7367]  __dev_set_promiscuity.cold (net/core/dev.c:9672 (discriminator 3))
[  269.740654][ T7367]  netif_set_promiscuity (net/core/dev.c:9699)
[  269.740659][ T7367]  dev_set_promiscuity (net/core/dev_api.c:288)
[  269.740661][ T7367]  ? dev_disable_lro (net/core/dev_api.c:267)
[  269.740665][ T7367] ovs_netdev_link (net/openvswitch/vport-netdev.c:106) openvswitch
[  269.740671][ T7367] ovs_vport_add (net/openvswitch/vport.c:209) openvswitch
[  269.740676][ T7367] new_vport (net/openvswitch/datapath.c:203) openvswitch
[  269.740681][ T7367]  ? ovs_lookup_vport (./include/linux/lockdep.h:249 net/openvswitch/datapath.c:120 net/openvswitch/datapath.c:117 net/openvswitch/datapath.c:190) openvswitch
[  269.740686][ T7367] ovs_vport_cmd_new (net/openvswitch/datapath.c:2389) openvswitch
[  269.740692][ T7367]  ? ovs_vport_cmd_fill_info.isra.0 (./include/net/netlink.h:1107 (discriminator 1)) openvswitch
[  269.740696][ T7367]  ? __nla_validate_parse (lib/nlattr.c:635)
[  269.740702][ T7367]  ? __nla_parse (lib/nlattr.c:732)
[  269.740705][ T7367]  ? genl_family_rcv_msg_attrs_parse.isra.0 (./include/net/netlink.h:789 (discriminator 2) net/netlink/genetlink.c:944 (discriminator 2))
[  269.740711][ T7367]  genl_family_rcv_msg_doit (net/netlink/genetlink.c:1114)
[  269.740715][ T7367]  ? genl_family_rcv_msg_attrs_parse.isra.0 (./include/net/netlink.h:785 (discriminator 2))
[  269.740724][ T7367]  ? security_capable (security/security.c:660 (discriminator 11))
[  269.740729][ T7367]  genl_family_rcv_msg (net/netlink/genetlink.c:1194)
[  269.740733][ T7367]  ? genl_family_rcv_msg_dumpit (net/netlink/genetlink.c:1079)
[  269.740735][ T7367]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380)
[  269.740738][ T7367]  ? ovs_vport_cmd_fill_info.isra.0 (./include/net/netlink.h:1107 (discriminator 1)) openvswitch
[  269.740743][ T7367]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[  269.740750][ T7367]  genl_rcv_msg (net/netlink/genetlink.c:1209)
[  269.740753][ T7367]  netlink_rcv_skb (net/netlink/af_netlink.c:2556)
[  269.740755][ T7367]  ? genl_family_rcv_msg (net/netlink/genetlink.c:1136 (discriminator 2))
[  269.740759][ T7367]  ? netlink_ack (./include/linux/skbuff.h:2718)
[  269.740767][ T7367]  ? 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))
[  269.740769][ T7367]  ? 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))
[  269.740773][ T7367]  genl_rcv (net/netlink/genetlink.c:1218)
[  269.740776][ T7367]  netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[  269.740780][ T7367]  ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[  269.740784][ T7367]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[  269.740788][ T7367]  netlink_sendmsg (net/netlink/af_netlink.c:1900)
[  269.740792][ T7367]  ? netlink_unicast (./include/net/net_namespace.h:422 (discriminator 7))
[  269.740794][ T7367]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[  269.740797][ T7367]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554)
[  269.740803][ T7367]  __sock_sendmsg (net/socket.c:800 (discriminator 4) net/socket.c:815 (discriminator 4))
[  269.740806][ T7367]  ? fdget (fs/file.c:1200 fs/file.c:1208)
[  269.740810][ T7367]  __sys_sendto (net/socket.c:2281)
[  269.740813][ T7367]  ? __ia32_sys_getpeername (net/socket.c:2235)
[  269.740824][ T7367]  ? exc_page_fault (arch/x86/mm/fault.c:1483 arch/x86/mm/fault.c:1536)
[  269.740831][ T7367]  __x64_sys_sendto (net/socket.c:2288 net/socket.c:2284 net/socket.c:2284)
[  269.740833][ T7367]  ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22))
[  269.740837][ T7367]  ? lockdep_hardirqs_on (kernel/locking/lockdep.c:4488)
[  269.740839][ T7367]  ? do_syscall_64 (arch/x86/entry/syscall_64.c:81 (discriminator 44))
[  269.740842][ T7367]  do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84)
[  269.740844][ T7367]  ? exc_page_fault (arch/x86/mm/fault.c:1489 (discriminator 3) arch/x86/mm/fault.c:1536 (discriminator 3))
[  269.740846][ T7367]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[  269.740849][ T7367] RIP: 0033:0x7f2f46aa7312
[  269.740853][ T7367] 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)
[  269.740854][ T7367] RSP: 002b:00007ffdb421f298 EFLAGS: 00000246 ORIG_RAX: 000000000000002c
[  269.740857][ T7367] RAX: ffffffffffffffda RBX: 00007ffdb421f3c8 RCX: 00007f2f46aa7312
[  269.740859][ T7367] RDX: 0000000000000038 RSI: 00007f2f427004b0 RDI: 0000000000000023
[  269.740860][ T7367] RBP: 00007ffdb421f2c0 R08: 00007ffdb421f440 R09: 000000000000000c
[  269.740861][ T7367] R10: 0000000000000000 R11: 0000000000000246 R12: 00007f2f4490e190
[  269.740862][ T7367] R13: 00007ffdb421f3c8 R14: 00007f2f463c601a R15: 00007ffdb421f7b8
| [  270.776862][ T7394] softirqs last disabled at (405322): inet6_fill_ifla6_attrs (net/ipv6/addrconf.c:5883)
| [  270.776865][ T7394] Preemption disabled at:
| [  270.776865][ T7394] vprintk_emit (kernel/printk/printk.c:2471)
| [  270.776874][ T7394] Tainted: [W]=WARN
[  270.776875][ T7394] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[  270.776877][ T7394] Call Trace:
[  270.776879][ T7394]  <TASK>
[  270.776881][ T7394]  dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120)
[  270.776887][ T7394]  ? vprintk_emit (kernel/printk/printk.c:2471)
[  270.776889][ T7394]  __might_resched.cold (kernel/sched/core.c:9234)
[  270.776894][ T7394]  ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3))
[  270.776898][ T7394]  ? __kmalloc_noprof (./include/linux/sched/mm.h:317 mm/slub.c:4636 mm/slub.c:4974 mm/slub.c:5413 mm/slub.c:5439)
[  270.776903][ T7394]  __kmalloc_noprof (./include/linux/sched/mm.h:322 (discriminator 2) mm/slub.c:4636 (discriminator 2) mm/slub.c:4974 (discriminator 2) mm/slub.c:5413 (discriminator 2) mm/slub.c:5439 (discriminator 2))
[  270.776905][ T7394]  ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[  270.776912][ T7394]  ? do_raw_spin_unlock (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:32 ./include/asm-generic/qspinlock.h:58 kernel/locking/spinlock_debug.c:101 kernel/locking/spinlock_debug.c:141)
[  270.776915][ T7394]  alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[  270.776918][ T7394]  put_chars (drivers/char/virtio_console.c:1176)
[  270.776921][ T7394]  ? __send_to_port (drivers/char/virtio_console.c:654)
[  270.776924][ T7394]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380)
[  270.776928][ T7394]  ? validate_chain (kernel/locking/lockdep.c:3817 (discriminator 2) kernel/locking/lockdep.c:3837 (discriminator 2) kernel/locking/lockdep.c:3892 (discriminator 2))
[  270.776933][ T7394]  hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2))
[  270.776937][ T7394]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[  270.776939][ T7394]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[  270.776944][ T7394]  ? hvc_write (drivers/tty/hvc/hvc_console.c:501)
[  270.776948][ T7394]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  270.776950][ T7394]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  270.776955][ T7394]  console_emit_next_record (kernel/printk/printk.c:3183)
[  270.776959][ T7394]  ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20)
[  270.776962][ T7394]  ? 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))
[  270.776966][ T7394]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  270.776968][ T7394]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  270.776972][ T7394]  console_flush_one_record (kernel/printk/printk.c:3268)
[  270.776977][ T7394]  ? console_emit_next_record (kernel/printk/printk.c:3150)
[  270.776979][ T7394]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[  270.776985][ T7394]  console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420)
[  270.776988][ T7394]  ? console_flush_one_record (kernel/printk/printk.c:3316)
[  270.776990][ T7394]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  270.776992][ T7394]  ? 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)
[  270.776996][ T7394]  ? __down_trylock_console_sem (kernel/printk/printk.c:334)
[  270.776998][ T7394]  ? vprintk_emit (kernel/printk/printk.c:2478)
[  270.777001][ T7394]  vprintk_emit (kernel/printk/printk.c:2479)
[  270.777004][ T7394]  ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126))
[  270.777010][ T7394]  _printk (kernel/printk/printk.c:2504)
[  270.777015][ T7394]  ? snapshot_read.cold (user.c:?)
[  270.777018][ T7394]  ? lockdep_rtnl_is_held (./include/linux/lockdep.h:249 net/core/rtnetlink.c:182)
[  270.777022][ T7394]  ? netdev_upper_get_next_dev_rcu (net/core/dev.c:8213 (discriminator 5))
[  270.777025][ T7394]  ? 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)
[  270.777027][ T7394]  ? __netdev_update_features (net/core/dev.c:11078 (discriminator 2))
[  270.777029][ T7394]  ? netdev_name (./include/linux/netdevice.h:5709 (discriminator 1))
[  270.777033][ T7394]  ? __netdev_printk (net/core/dev.c:13148 (discriminator 2))
[  270.777037][ T7394]  netdev_info (net/core/dev.c:13195 (discriminator 3))
[  270.777040][ T7394]  ? netdev_notice (net/core/dev.c:13194)
[  270.777042][ T7394]  ? ovs_netdev_link (net/openvswitch/vport-netdev.c:85) openvswitch
[  270.777052][ T7394]  ? 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)
[  270.777055][ T7394]  __dev_set_promiscuity.cold (net/core/dev.c:9672 (discriminator 3))
[  270.777059][ T7394]  netif_set_promiscuity (net/core/dev.c:9699)
[  270.777062][ T7394]  dev_set_promiscuity (net/core/dev_api.c:288)
[  270.777065][ T7394]  ? dev_disable_lro (net/core/dev_api.c:267)
[  270.777067][ T7394] ovs_netdev_link (net/openvswitch/vport-netdev.c:106) openvswitch
[  270.777073][ T7394] ovs_vport_add (net/openvswitch/vport.c:209) openvswitch
[  270.777079][ T7394] new_vport (net/openvswitch/datapath.c:203) openvswitch
[  270.777083][ T7394]  ? ovs_lookup_vport (./include/linux/lockdep.h:249 net/openvswitch/datapath.c:120 net/openvswitch/datapath.c:117 net/openvswitch/datapath.c:190) openvswitch
[  270.777088][ T7394] ovs_vport_cmd_new (net/openvswitch/datapath.c:2389) openvswitch
[  270.777095][ T7394]  ? ovs_vport_cmd_fill_info.isra.0 (./include/net/netlink.h:1107 (discriminator 1)) openvswitch
[  270.777099][ T7394]  ? __nla_validate_parse (lib/nlattr.c:635)
[  270.777106][ T7394]  ? __nla_parse (lib/nlattr.c:732)
[  270.777109][ T7394]  ? genl_family_rcv_msg_attrs_parse.isra.0 (./include/net/netlink.h:789 (discriminator 2) net/netlink/genetlink.c:944 (discriminator 2))
[  270.777115][ T7394]  genl_family_rcv_msg_doit (net/netlink/genetlink.c:1114)
[  270.777119][ T7394]  ? genl_family_rcv_msg_attrs_parse.isra.0 (./include/net/netlink.h:785 (discriminator 2))
[  270.777128][ T7394]  ? security_capable (security/security.c:660 (discriminator 11))
[  270.777132][ T7394]  genl_family_rcv_msg (net/netlink/genetlink.c:1194)
[  270.777136][ T7394]  ? genl_family_rcv_msg_dumpit (net/netlink/genetlink.c:1079)
[  270.777139][ T7394]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380)
[  270.777141][ T7394]  ? ovs_vport_cmd_fill_info.isra.0 (./include/net/netlink.h:1107 (discriminator 1)) openvswitch
[  270.777146][ T7394]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[  270.777152][ T7394]  genl_rcv_msg (net/netlink/genetlink.c:1209)
[  270.777155][ T7394]  netlink_rcv_skb (net/netlink/af_netlink.c:2556)
[  270.777158][ T7394]  ? genl_family_rcv_msg (net/netlink/genetlink.c:1136 (discriminator 2))
[  270.777161][ T7394]  ? netlink_ack (./include/linux/skbuff.h:2718)
[  270.777169][ T7394]  ? 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))
[  270.777171][ T7394]  ? 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))
[  270.777176][ T7394]  genl_rcv (net/netlink/genetlink.c:1218)
[  270.777178][ T7394]  netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[  270.777183][ T7394]  ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[  270.777187][ T7394]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[  270.777190][ T7394]  netlink_sendmsg (net/netlink/af_netlink.c:1900)
[  270.777195][ T7394]  ? netlink_unicast (./include/net/net_namespace.h:422 (discriminator 7))
[  270.777197][ T7394]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[  270.777200][ T7394]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554)
[  270.777205][ T7394]  __sock_sendmsg (net/socket.c:800 (discriminator 4) net/socket.c:815 (discriminator 4))
[  270.777209][ T7394]  ? fdget (fs/file.c:1200 fs/file.c:1208)
[  270.777212][ T7394]  __sys_sendto (net/socket.c:2281)
[  270.777216][ T7394]  ? __ia32_sys_getpeername (net/socket.c:2235)
[  270.777228][ T7394]  ? exc_page_fault (arch/x86/mm/fault.c:1483 arch/x86/mm/fault.c:1536)
[  270.777234][ T7394]  __x64_sys_sendto (net/socket.c:2288 net/socket.c:2284 net/socket.c:2284)
[  270.777237][ T7394]  ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22))
[  270.777241][ T7394]  ? lockdep_hardirqs_on (kernel/locking/lockdep.c:4488)
[  270.777243][ T7394]  ? do_syscall_64 (arch/x86/entry/syscall_64.c:81 (discriminator 44))
[  270.777246][ T7394]  do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84)
[  270.777248][ T7394]  ? exc_page_fault (arch/x86/mm/fault.c:1489 (discriminator 3) arch/x86/mm/fault.c:1536 (discriminator 3))
[  270.777250][ T7394]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[  270.777253][ T7394] RIP: 0033:0x7fec9fa2c312
[  270.777256][ T7394] 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)
[  270.777258][ T7394] RSP: 002b:00007ffce537abb8 EFLAGS: 00000246 ORIG_RAX: 000000000000002c
[  270.777261][ T7394] RAX: ffffffffffffffda RBX: 00007ffce537ace8 RCX: 00007fec9fa2c312
[  270.777263][ T7394] RDX: 0000000000000034 RSI: 00007fec9c505030 RDI: 0000000000000023
[  270.777264][ T7394] RBP: 00007ffce537abe0 R08: 00007ffce537ad60 R09: 000000000000000c
[  270.777264][ T7394] R10: 0000000000000000 R11: 0000000000000246 R12: 00007fec9d896190
[  270.777265][ T7394] R13: 00007ffce537ace8 R14: 00007fec9f34b01a R15: 00007ffce537b0d8
| [  279.528846][   T71] softirqs last disabled at (7970164): __neigh_ifdown.isra.0 (./include/linux/spinlock.h:353 net/core/neighbour.c:464)
| [  279.528849][   T71] Preemption disabled at:
| [  279.528849][   T71] vprintk_emit (kernel/printk/printk.c:2471)
| [  279.528859][   T71] Tainted: [W]=WARN
[  279.528860][   T71] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[  279.528862][   T71] Workqueue: netns cleanup_net
[  279.528865][   T71] Call Trace:
[  279.528867][   T71]  <TASK>
[  279.528869][   T71]  dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120)
[  279.528875][   T71]  ? vprintk_emit (kernel/printk/printk.c:2471)
[  279.528877][   T71]  __might_resched.cold (kernel/sched/core.c:9234)
[  279.528882][   T71]  ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3))
[  279.528886][   T71]  ? __kmalloc_noprof (./include/linux/sched/mm.h:317 mm/slub.c:4636 mm/slub.c:4974 mm/slub.c:5413 mm/slub.c:5439)
[  279.528891][   T71]  __kmalloc_noprof (./include/linux/sched/mm.h:322 (discriminator 2) mm/slub.c:4636 (discriminator 2) mm/slub.c:4974 (discriminator 2) mm/slub.c:5413 (discriminator 2) mm/slub.c:5439 (discriminator 2))
[  279.528893][   T71]  ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[  279.528900][   T71]  ? do_raw_spin_unlock (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:32 ./include/asm-generic/qspinlock.h:58 kernel/locking/spinlock_debug.c:101 kernel/locking/spinlock_debug.c:141)
[  279.528903][   T71]  alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[  279.528907][   T71]  put_chars (drivers/char/virtio_console.c:1176)
[  279.528909][   T71]  ? prb_final_commit (kernel/printk/printk_ringbuffer.c:1842)
[  279.528911][   T71]  ? __send_to_port (drivers/char/virtio_console.c:654)
[  279.528915][   T71]  ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4116 (discriminator 3) kernel/rcu/tree.c:4108 (discriminator 3))
[  279.528918][   T71]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380)
[  279.528921][   T71]  ? validate_chain (kernel/locking/lockdep.c:3817 (discriminator 2) kernel/locking/lockdep.c:3837 (discriminator 2) kernel/locking/lockdep.c:3892 (discriminator 2))
[  279.528925][   T71]  hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2))
[  279.528930][   T71]  ? mark_usage (kernel/locking/lockdep.c:4690)
[  279.528932][   T71]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[  279.528934][   T71]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[  279.528938][   T71]  ? hvc_write (drivers/tty/hvc/hvc_console.c:501)
[  279.528941][   T71]  ? console_emit_next_record (kernel/printk/printk.c:3095 (discriminator 2) kernel/printk/printk.c:3182 (discriminator 2))
[  279.528945][   T71]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  279.528947][   T71]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  279.528951][   T71]  console_emit_next_record (kernel/printk/printk.c:3183)
[  279.528956][   T71]  ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20)
[  279.528958][   T71]  ? 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))
[  279.528961][   T71]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  279.528963][   T71]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  279.528968][   T71]  console_flush_one_record (kernel/printk/printk.c:3268)
[  279.528972][   T71]  ? console_emit_next_record (kernel/printk/printk.c:3150)
[  279.528974][   T71]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[  279.528980][   T71]  console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420)
[  279.528984][   T71]  ? console_flush_one_record (kernel/printk/printk.c:3316)
[  279.528986][   T71]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  279.528988][   T71]  ? 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)
[  279.528992][   T71]  ? __down_trylock_console_sem (kernel/printk/printk.c:334)
[  279.528994][   T71]  ? vprintk_emit (kernel/printk/printk.c:2478)
[  279.528997][   T71]  vprintk_emit (kernel/printk/printk.c:2479)
[  279.529000][   T71]  ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126))
[  279.529003][   T71]  ? net_disable_timestamp (./include/linux/workqueue.h:761)
[  279.529005][   T71]  ? net_generic (./include/linux/rcupdate.h:882 ./include/net/netns/generic.h:48) vxlan
[  279.529015][   T71]  _printk (kernel/printk/printk.c:2504)
[  279.529018][   T71]  ? snapshot_read.cold (user.c:?)
[  279.529023][   T71]  ? netdev_name (./include/linux/netdevice.h:5709 (discriminator 1))
[  279.529027][   T71]  ? __netdev_printk (net/core/dev.c:13148 (discriminator 2))
[  279.529032][   T71]  netdev_info (net/core/dev.c:13195 (discriminator 3))
[  279.529035][   T71]  ? netdev_notice (net/core/dev.c:13194)
[  279.529036][   T71]  ? __netdev_upper_dev_unlink (net/core/dev.c:9094)
[  279.529041][   T71]  ? synchronize_rcu_expedited (kernel/rcu/tree_exp.h:985)
[  279.529047][   T71]  ? 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)
[  279.529049][   T71]  __dev_set_promiscuity.cold (net/core/dev.c:9672 (discriminator 3))
[  279.529053][   T71]  netif_set_promiscuity (net/core/dev.c:9699)
[  279.529057][   T71]  dev_set_promiscuity (net/core/dev_api.c:288)
[  279.529059][   T71]  ? rtnl_is_locked (net/core/rtnetlink.c:169)
[  279.529063][   T71] ovs_netdev_detach_dev (net/openvswitch/vport-netdev.c:174) openvswitch
[  279.529070][   T71] dp_device_event (net/openvswitch/dp_notify.c:74) openvswitch
[  279.529074][   T71]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  279.529077][   T71]  notifier_call_chain (kernel/notifier.c:85)
[  279.529083][   T71]  unregister_netdevice_many_notify (net/core/dev.c:2313 net/core/dev.c:2327 net/core/dev.c:12518)
[  279.529089][   T71]  ? unregister_netdevice_queued (./include/linux/list.h:419 (discriminator 3))
[  279.529097][   T71]  default_device_exit_batch (net/core/dev.c:12589 net/core/dev.c:13288)
[  279.529101][   T71]  ? unregister_netdevice_queue (./include/linux/list.h:173)
[  279.529103][   T71]  ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3))
[  279.529106][   T71]  ? fou_exit_net (net/ipv4/fou_core.c:1228)
[  279.529112][   T71]  ops_undo_list (net/core/net_namespace.c:206 net/core/net_namespace.c:253)
[  279.529116][   T71]  ? lockdep_hardirqs_on (kernel/locking/lockdep.c:4488)
[  279.529120][   T71]  ? netns_install (./include/linux/ns_common.h:26)
[  279.529121][   T71]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554)
[  279.529125][   T71]  ? idr_destroy (lib/radix-tree.c:310 lib/radix-tree.c:674 lib/radix-tree.c:1563)
[  279.529130][   T71]  cleanup_net (net/core/net_namespace.c:706)
[  279.529133][   T71]  ? net_passive_dec (./include/linux/llist.h:241)
[  279.529137][   T71]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  279.529139][   T71]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  279.529143][   T71]  process_one_work (kernel/workqueue.c:3387)
[  279.529150][   T71]  ? __queue_delayed_work (kernel/workqueue.c:2622)
[  279.529154][   T71]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2))
[  279.529162][   T71]  worker_thread (kernel/workqueue.c:3470 kernel/workqueue.c:3551)
[  279.529167][   T71]  ? rescuer_thread (./include/linux/list.h:419 (discriminator 3))
[  279.529169][   T71]  ? __kthread_parkme (./include/linux/instrumented.h:82 ./include/asm-generic/bitops/instrumented-non-atomic.h:141 kernel/kthread.c:272)
[  279.529172][   T71]  ? rescuer_thread (./include/linux/list.h:419 (discriminator 3))
[  279.529175][   T71]  ? rescuer_thread (./include/linux/list.h:419 (discriminator 3))
[  279.529178][   T71]  kthread (kernel/kthread.c:436)
[  279.529180][   T71]  ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22))
[  279.529184][   T71]  ? kthread_affine_preferred (kernel/kthread.c:857)
[  279.529187][   T71]  ret_from_fork (arch/x86/kernel/process.c:158)
[  279.529191][   T71]  ? arch_exit_to_user_mode_prepare.isra.0 (arch/x86/entry/vdso/vma.c:80 (discriminator 1))
[  279.529195][   T71]  ? __switch_to (arch/x86/kernel/process_64.c:403 arch/x86/kernel/process_64.c:663)
[  279.529199][   T71]  ? kthread_affine_preferred (kernel/kthread.c:857)
[  279.529202][   T71]  ret_from_fork_asm (arch/x86/entry/entry_64.S:245)
| [  280.545812][ T7594] softirqs last disabled at (372711): __irq_exit_rcu (kernel/softirq.c:679 kernel/softirq.c:519 kernel/softirq.c:767)
| [  280.545815][ T7594] Preemption disabled at:
| [  280.545816][ T7594] vprintk_emit (kernel/printk/printk.c:2471)
| [  280.545825][ T7594] Tainted: [W]=WARN
[  280.545826][ T7594] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[  280.545827][ T7594] Call Trace:
[  280.545829][ T7594]  <TASK>
[  280.545830][ T7594]  dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120)
[  280.545837][ T7594]  ? vprintk_emit (kernel/printk/printk.c:2471)
[  280.545839][ T7594]  __might_resched.cold (kernel/sched/core.c:9234)
[  280.545843][ T7594]  ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3))
[  280.545848][ 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)
[  280.545852][ 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))
[  280.545854][ T7594]  ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[  280.545861][ 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)
[  280.545864][ T7594]  alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[  280.545868][ T7594]  put_chars (drivers/char/virtio_console.c:1176)
[  280.545871][ T7594]  ? __send_to_port (drivers/char/virtio_console.c:654)
[  280.545873][ T7594]  ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4116 (discriminator 3) kernel/rcu/tree.c:4108 (discriminator 3))
[  280.545876][ T7594]  ? validate_chain (kernel/locking/lockdep.c:3817 (discriminator 2) kernel/locking/lockdep.c:3837 (discriminator 2) kernel/locking/lockdep.c:3892 (discriminator 2))
[  280.545883][ T7594]  hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2))
[  280.545891][ T7594]  ? hvc_write (drivers/tty/hvc/hvc_console.c:501)
[  280.545894][ T7594]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  280.545896][ T7594]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  280.545901][ T7594]  console_emit_next_record (kernel/printk/printk.c:3183)
[  280.545905][ T7594]  ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20)
[  280.545907][ 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))
[  280.545910][ T7594]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  280.545912][ T7594]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  280.545916][ T7594]  console_flush_one_record (kernel/printk/printk.c:3268)
[  280.545921][ T7594]  ? console_emit_next_record (kernel/printk/printk.c:3150)
[  280.545923][ T7594]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[  280.545929][ T7594]  console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420)
[  280.545932][ T7594]  ? console_flush_one_record (kernel/printk/printk.c:3316)
[  280.545934][ T7594]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  280.545936][ 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)
[  280.545940][ T7594]  ? __down_trylock_console_sem (kernel/printk/printk.c:334)
[  280.545942][ T7594]  ? vprintk_emit (kernel/printk/printk.c:2478)
[  280.545945][ T7594]  vprintk_emit (kernel/printk/printk.c:2479)
[  280.545948][ T7594]  ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126))
[  280.545951][ T7594]  ? net_disable_timestamp (./include/linux/workqueue.h:761)
[  280.545954][ T7594]  ? net_generic (./include/linux/rcupdate.h:882 ./include/net/netns/generic.h:48) vxlan
[  280.545962][ T7594]  _printk (kernel/printk/printk.c:2504)
[  280.545966][ T7594]  ? snapshot_read.cold (user.c:?)
[  280.545971][ T7594]  ? netdev_name (./include/linux/netdevice.h:5709 (discriminator 1))
[  280.545975][ T7594]  ? __netdev_printk (net/core/dev.c:13148 (discriminator 2))
[  280.545979][ T7594]  netdev_info (net/core/dev.c:13195 (discriminator 3))
[  280.545982][ T7594]  ? netdev_notice (net/core/dev.c:13194)
[  280.545984][ T7594]  ? __netdev_upper_dev_unlink (net/core/dev.c:9094)
[  280.545988][ T7594]  ? synchronize_rcu_expedited (kernel/rcu/tree_exp.h:985)
[  280.545994][ 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)
[  280.545997][ T7594]  __dev_set_promiscuity.cold (net/core/dev.c:9672 (discriminator 3))
[  280.546000][ T7594]  netif_set_promiscuity (net/core/dev.c:9699)
[  280.546004][ T7594]  dev_set_promiscuity (net/core/dev_api.c:288)
[  280.546006][ T7594]  ? rtnl_is_locked (net/core/rtnetlink.c:169)
[  280.546010][ T7594] ovs_netdev_detach_dev (net/openvswitch/vport-netdev.c:174) openvswitch
[  280.546014][ T7594]  ? netdev_destroy (net/openvswitch/vport-netdev.c:189) openvswitch
[  280.546018][ T7594] netdev_destroy (net/openvswitch/vport-netdev.c:194) openvswitch
[  280.546023][ T7594] ovs_vport_cmd_del (net/openvswitch/datapath.c:2505) openvswitch
[  280.546032][ T7594]  genl_family_rcv_msg_doit (net/netlink/genetlink.c:1114)
[  280.546036][ T7594]  ? genl_family_rcv_msg_attrs_parse.isra.0 (./include/net/netlink.h:785 (discriminator 2))
[  280.546045][ T7594]  ? security_capable (security/security.c:660 (discriminator 11))
[  280.546049][ T7594]  genl_family_rcv_msg (net/netlink/genetlink.c:1194)
[  280.546053][ T7594]  ? genl_family_rcv_msg_dumpit (net/netlink/genetlink.c:1079)
[  280.546056][ T7594]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380)
[  280.546059][ T7594]  ? ovs_dp_detach_port (./include/linux/list.h:1047 (discriminator 2)) openvswitch
[  280.546064][ T7594]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[  280.546070][ T7594]  genl_rcv_msg (net/netlink/genetlink.c:1209)
[  280.546073][ T7594]  netlink_rcv_skb (net/netlink/af_netlink.c:2556)
[  280.546075][ T7594]  ? genl_family_rcv_msg (net/netlink/genetlink.c:1136 (discriminator 2))
[  280.546079][ T7594]  ? netlink_ack (./include/linux/skbuff.h:2718)
[  280.546087][ 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))
[  280.546089][ 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))
[  280.546093][ T7594]  genl_rcv (net/netlink/genetlink.c:1218)
[  280.546095][ T7594]  netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[  280.546100][ T7594]  ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[  280.546104][ T7594]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[  280.546107][ T7594]  netlink_sendmsg (net/netlink/af_netlink.c:1900)
[  280.546112][ T7594]  ? netlink_unicast (./include/net/net_namespace.h:422 (discriminator 7))
[  280.546114][ T7594]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[  280.546117][ T7594]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554)
[  280.546122][ T7594]  __sock_sendmsg (net/socket.c:800 (discriminator 4) net/socket.c:815 (discriminator 4))
[  280.546125][ T7594]  ? fdget (fs/file.c:1200 fs/file.c:1208)
[  280.546129][ T7594]  __sys_sendto (net/socket.c:2281)
[  280.546133][ T7594]  ? __ia32_sys_getpeername (net/socket.c:2235)
[  280.546144][ T7594]  ? exc_page_fault (arch/x86/mm/fault.c:1483 arch/x86/mm/fault.c:1536)
[  280.546150][ T7594]  __x64_sys_sendto (net/socket.c:2288 net/socket.c:2284 net/socket.c:2284)
[  280.546152][ T7594]  ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22))
[  280.546156][ T7594]  ? lockdep_hardirqs_on (kernel/locking/lockdep.c:4488)
[  280.546158][ T7594]  ? do_syscall_64 (arch/x86/entry/syscall_64.c:81 (discriminator 44))
[  280.546160][ T7594]  do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84)
[  280.546163][ T7594]  ? exc_page_fault (arch/x86/mm/fault.c:1489 (discriminator 3) arch/x86/mm/fault.c:1536 (discriminator 3))
[  280.546165][ T7594]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[  280.546167][ T7594] RIP: 0033:0x7fc0e11aa312
[  280.546171][ 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)
[  280.546173][ T7594] RSP: 002b:00007ffe7ea7d238 EFLAGS: 00000246 ORIG_RAX: 000000000000002c
[  280.546176][ T7594] RAX: ffffffffffffffda RBX: 00007ffe7ea7d368 RCX: 00007fc0e11aa312
[  280.546177][ T7594] RDX: 0000000000000024 RSI: 00007fc0dce095f0 RDI: 0000000000000023
[  280.546178][ T7594] RBP: 00007ffe7ea7d260 R08: 00007ffe7ea7d3e0 R09: 000000000000000c
[  280.546179][ T7594] R10: 0000000000000000 R11: 0000000000000246 R12: 00007fc0df00dfd0
[  280.546180][ T7594] R13: 00007ffe7ea7d368 R14: 00007fc0e0ac901a R15: 00007ffe7ea7d758
| [  282.276270][ T7620] softirqs last disabled at (383784): __alloc_skb (./include/linux/bottom_half.h:20 (discriminator 2) net/core/skbuff.c:697 (discriminator 2))
| [  282.276273][ T7620] Preemption disabled at:
| [  282.276273][ T7620] vprintk_emit (kernel/printk/printk.c:2471)
| [  282.276282][ T7620] Tainted: [W]=WARN
[  282.276283][ T7620] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[  282.276285][ T7620] Call Trace:
[  282.276287][ T7620]  <TASK>
[  282.276288][ T7620]  dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120)
[  282.276295][ T7620]  ? vprintk_emit (kernel/printk/printk.c:2471)
[  282.276296][ T7620]  __might_resched.cold (kernel/sched/core.c:9234)
[  282.276301][ T7620]  ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3))
[  282.276305][ 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)
[  282.276310][ 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))
[  282.276312][ T7620]  ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[  282.276319][ 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)
[  282.276321][ T7620]  alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[  282.276325][ T7620]  put_chars (drivers/char/virtio_console.c:1176)
[  282.276328][ T7620]  ? __send_to_port (drivers/char/virtio_console.c:654)
[  282.276329][ T7620]  ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4116 (discriminator 3) kernel/rcu/tree.c:4108 (discriminator 3))
[  282.276333][ T7620]  ? validate_chain (kernel/locking/lockdep.c:3817 (discriminator 2) kernel/locking/lockdep.c:3837 (discriminator 2) kernel/locking/lockdep.c:3892 (discriminator 2))
[  282.276339][ T7620]  hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2))
[  282.276347][ T7620]  ? hvc_write (drivers/tty/hvc/hvc_console.c:501)
[  282.276350][ T7620]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  282.276352][ T7620]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  282.276357][ T7620]  console_emit_next_record (kernel/printk/printk.c:3183)
[  282.276361][ T7620]  ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20)
[  282.276363][ 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))
[  282.276367][ T7620]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  282.276368][ T7620]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  282.276373][ T7620]  console_flush_one_record (kernel/printk/printk.c:3268)
[  282.276377][ T7620]  ? console_emit_next_record (kernel/printk/printk.c:3150)
[  282.276379][ T7620]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[  282.276385][ T7620]  console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420)
[  282.276388][ T7620]  ? console_flush_one_record (kernel/printk/printk.c:3316)
[  282.276390][ T7620]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  282.276392][ 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)
[  282.276396][ T7620]  ? __down_trylock_console_sem (kernel/printk/printk.c:334)
[  282.276398][ T7620]  ? vprintk_emit (kernel/printk/printk.c:2478)
[  282.276401][ T7620]  vprintk_emit (kernel/printk/printk.c:2479)
[  282.276405][ T7620]  ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126))
[  282.276407][ T7620]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380)
[  282.276409][ T7620]  ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4116 (discriminator 3) kernel/rcu/tree.c:4108 (discriminator 3))
[  282.276414][ T7620]  _printk (kernel/printk/printk.c:2504)
[  282.276418][ T7620]  ? snapshot_read.cold (user.c:?)
[  282.276422][ T7620]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  282.276424][ T7620]  ? netdev_name (./include/linux/netdevice.h:5709 (discriminator 1))
[  282.276428][ T7620]  ? __netdev_printk (net/core/dev.c:13148 (discriminator 2))
[  282.276432][ T7620]  netdev_info (net/core/dev.c:13195 (discriminator 3))
[  282.276435][ T7620]  ? netdev_notice (net/core/dev.c:13194)
[  282.276437][ T7620]  ? internal_dev_destroy (net/openvswitch/vport-internal_dev.c:178) openvswitch
[  282.276443][ T7620]  ? ww_mutex_lock (kernel/locking/mutex.c:934)
[  282.276449][ 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)
[  282.276452][ T7620]  __dev_set_promiscuity.cold (net/core/dev.c:9672 (discriminator 3))
[  282.276455][ T7620]  netif_set_promiscuity (net/core/dev.c:9699)
[  282.276460][ T7620]  dev_set_promiscuity (net/core/dev_api.c:288)
[  282.276464][ T7620] internal_dev_destroy (net/openvswitch/vport-internal_dev.c:179) openvswitch
[  282.276469][ T7620] __dp_destroy (net/openvswitch/datapath.c:1969 (discriminator 1)) openvswitch
[  282.276476][ T7620] ovs_dp_cmd_del (net/openvswitch/datapath.c:2003) openvswitch
[  282.276482][ T7620]  genl_family_rcv_msg_doit (net/netlink/genetlink.c:1114)
[  282.276486][ T7620]  ? genl_family_rcv_msg_attrs_parse.isra.0 (./include/net/netlink.h:785 (discriminator 2))
[  282.276495][ T7620]  ? security_capable (security/security.c:660 (discriminator 11))
[  282.276500][ T7620]  genl_family_rcv_msg (net/netlink/genetlink.c:1194)
[  282.276513][ T7620]  ? genl_family_rcv_msg_dumpit (net/netlink/genetlink.c:1079)
[  282.276516][ T7620]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380)
[  282.276518][ 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
[  282.276523][ T7620]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[  282.276529][ T7620]  genl_rcv_msg (net/netlink/genetlink.c:1209)
[  282.276532][ T7620]  netlink_rcv_skb (net/netlink/af_netlink.c:2556)
[  282.276534][ T7620]  ? genl_family_rcv_msg (net/netlink/genetlink.c:1136 (discriminator 2))
[  282.276538][ T7620]  ? netlink_ack (./include/linux/skbuff.h:2718)
[  282.276545][ 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))
[  282.276548][ 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))
[  282.276552][ T7620]  genl_rcv (net/netlink/genetlink.c:1218)
[  282.276554][ T7620]  netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[  282.276558][ T7620]  ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[  282.276562][ T7620]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[  282.276566][ T7620]  netlink_sendmsg (net/netlink/af_netlink.c:1900)
[  282.276570][ T7620]  ? netlink_unicast (./include/net/net_namespace.h:422 (discriminator 7))
[  282.276572][ T7620]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[  282.276578][ T7620]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554)
[  282.276587][ T7620]  __sock_sendmsg (net/socket.c:800 (discriminator 4) net/socket.c:815 (discriminator 4))
[  282.276590][ T7620]  ? fdget (fs/file.c:1200 fs/file.c:1208)
[  282.276596][ T7620]  __sys_sendto (net/socket.c:2281)
[  282.276600][ T7620]  ? __ia32_sys_getpeername (net/socket.c:2235)
[  282.276611][ T7620]  ? exc_page_fault (arch/x86/mm/fault.c:1483 arch/x86/mm/fault.c:1536)
[  282.276617][ T7620]  __x64_sys_sendto (net/socket.c:2288 net/socket.c:2284 net/socket.c:2284)
[  282.276619][ T7620]  ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22))
[  282.276623][ T7620]  ? lockdep_hardirqs_on (kernel/locking/lockdep.c:4488)
[  282.276625][ T7620]  ? do_syscall_64 (arch/x86/entry/syscall_64.c:81 (discriminator 44))
[  282.276628][ T7620]  do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84)
[  282.276630][ T7620]  ? exc_page_fault (arch/x86/mm/fault.c:1489 (discriminator 3) arch/x86/mm/fault.c:1536 (discriminator 3))
[  282.276633][ T7620]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[  282.276635][ T7620] RIP: 0033:0x7f924ec02312
[  282.276639][ 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)
[  282.276641][ T7620] RSP: 002b:00007ffe5d2d8ac8 EFLAGS: 00000246 ORIG_RAX: 000000000000002c
[  282.276644][ T7620] RAX: ffffffffffffffda RBX: 00007ffe5d2d8bf8 RCX: 00007f924ec02312
[  282.276645][ T7620] RDX: 0000000000000024 RSI: 00007f924670e190 RDI: 0000000000000020
[  282.276646][ T7620] RBP: 00007ffe5d2d8af0 R08: 00007ffe5d2d8c70 R09: 000000000000000c
[  282.276647][ T7620] R10: 0000000000000000 R11: 0000000000000246 R12: 00007f924ca65e10
[  282.276648][ T7620] R13: 00007ffe5d2d8bf8 R14: 00007f924e52101a R15: 00007ffe5d2d8fe8
| [  285.705121][ T7727] softirqs last disabled at (391334): __alloc_skb (./include/linux/bottom_half.h:20 (discriminator 2) net/core/skbuff.c:697 (discriminator 2))
| [  285.705124][ T7727] Preemption disabled at:
| [  285.705125][ T7727] vprintk_emit (kernel/printk/printk.c:2471)
| [  285.705133][ T7727] Tainted: [W]=WARN
[  285.705134][ T7727] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[  285.705136][ T7727] Call Trace:
[  285.705138][ T7727]  <TASK>
[  285.705139][ T7727]  dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120)
[  285.705146][ T7727]  ? vprintk_emit (kernel/printk/printk.c:2471)
[  285.705148][ T7727]  __might_resched.cold (kernel/sched/core.c:9234)
[  285.705152][ T7727]  ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3))
[  285.705156][ 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)
[  285.705161][ 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))
[  285.705163][ T7727]  ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[  285.705170][ 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)
[  285.705173][ T7727]  alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[  285.705177][ T7727]  put_chars (drivers/char/virtio_console.c:1176)
[  285.705179][ T7727]  ? __send_to_port (drivers/char/virtio_console.c:654)
[  285.705182][ T7727]  ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4116 (discriminator 3) kernel/rcu/tree.c:4108 (discriminator 3))
[  285.705185][ T7727]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380)
[  285.705188][ T7727]  ? validate_chain (kernel/locking/lockdep.c:3817 (discriminator 2) kernel/locking/lockdep.c:3837 (discriminator 2) kernel/locking/lockdep.c:3892 (discriminator 2))
[  285.705192][ T7727]  hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2))
[  285.705196][ T7727]  ? mark_usage (kernel/locking/lockdep.c:4690)
[  285.705198][ T7727]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[  285.705200][ T7727]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[  285.705204][ T7727]  ? hvc_write (drivers/tty/hvc/hvc_console.c:501)
[  285.705206][ T7727]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2))
[  285.705211][ T7727]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  285.705215][ T7727]  console_emit_next_record (kernel/printk/printk.c:3183)
[  285.705219][ T7727]  ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20)
[  285.705221][ 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))
[  285.705224][ T7727]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  285.705226][ T7727]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  285.705231][ T7727]  console_flush_one_record (kernel/printk/printk.c:3268)
[  285.705235][ T7727]  ? console_emit_next_record (kernel/printk/printk.c:3150)
[  285.705237][ T7727]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[  285.705243][ T7727]  console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420)
[  285.705246][ T7727]  ? console_flush_one_record (kernel/printk/printk.c:3316)
[  285.705248][ T7727]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  285.705250][ 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)
[  285.705254][ T7727]  ? __down_trylock_console_sem (kernel/printk/printk.c:334)
[  285.705256][ T7727]  ? vprintk_emit (kernel/printk/printk.c:2478)
[  285.705258][ T7727]  vprintk_emit (kernel/printk/printk.c:2479)
[  285.705262][ T7727]  ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126))
[  285.705264][ T7727]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554)
[  285.705266][ T7727]  ? genl_family_rcv_msg (net/netlink/genetlink.c:1194)
[  285.705271][ T7727]  _printk (kernel/printk/printk.c:2504)
[  285.705275][ T7727]  ? snapshot_read.cold (user.c:?)
[  285.705276][ T7727]  ? ___ratelimit (lib/ratelimit.c:97 (discriminator 3))
[  285.705283][ T7727]  ? idr_get_free (??:?)
[  285.705287][ T7727]  validate_nla.cold (lib/nlattr.c:414 (discriminator 4))
[  285.705297][ T7727]  ? nla_get_range_signed (lib/nlattr.c:270)
[  285.705303][ T7727]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  285.705305][ T7727]  ? trace_kmalloc (./include/trace/events/kmem.h:57 (discriminator 22))
[  285.705310][ T7727]  __nla_validate_parse (lib/nlattr.c:635)
[  285.705315][ T7727]  __nla_parse (lib/nlattr.c:732)
[  285.705318][ T7727]  genl_family_rcv_msg_attrs_parse.isra.0 (./include/net/netlink.h:789 (discriminator 2) net/netlink/genetlink.c:944 (discriminator 2))
[  285.705323][ T7727]  genl_family_rcv_msg_doit (net/netlink/genetlink.c:1092)
[  285.705326][ T7727]  ? genl_family_rcv_msg_attrs_parse.isra.0 (./include/net/netlink.h:785 (discriminator 2))
[  285.705335][ T7727]  ? security_capable (security/security.c:660 (discriminator 11))
[  285.705339][ T7727]  genl_family_rcv_msg (net/netlink/genetlink.c:1194)
[  285.705343][ T7727]  ? genl_family_rcv_msg_dumpit (net/netlink/genetlink.c:1079)
[  285.705346][ T7727]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380)
[  285.705349][ T7727]  ? ovs_dp_cmd_get (./include/net/net_namespace.h:422 (discriminator 7)) openvswitch
[  285.705357][ T7727]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[  285.705363][ T7727]  genl_rcv_msg (net/netlink/genetlink.c:1209)
[  285.705367][ T7727]  netlink_rcv_skb (net/netlink/af_netlink.c:2556)
[  285.705369][ T7727]  ? genl_family_rcv_msg (net/netlink/genetlink.c:1136 (discriminator 2))
[  285.705372][ T7727]  ? netlink_ack (./include/linux/skbuff.h:2718)
[  285.705380][ 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))
[  285.705382][ 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))
[  285.705386][ T7727]  genl_rcv (net/netlink/genetlink.c:1218)
[  285.705388][ T7727]  netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[  285.705392][ T7727]  ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[  285.705396][ T7727]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[  285.705400][ T7727]  netlink_sendmsg (net/netlink/af_netlink.c:1900)
[  285.705404][ T7727]  ? netlink_unicast (./include/net/net_namespace.h:422 (discriminator 7))
[  285.705406][ T7727]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[  285.705409][ T7727]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554)
[  285.705414][ T7727]  __sock_sendmsg (net/socket.c:800 (discriminator 4) net/socket.c:815 (discriminator 4))
[  285.705417][ T7727]  ? fdget (fs/file.c:1200 fs/file.c:1208)
[  285.705421][ T7727]  __sys_sendto (net/socket.c:2281)
[  285.705424][ T7727]  ? __ia32_sys_getpeername (net/socket.c:2235)
[  285.705435][ T7727]  ? fput_close_sync (fs/file_table.c:617)
[  285.705439][ T7727]  ? alloc_file_clone (fs/file_table.c:479)
[  285.705443][ T7727]  __x64_sys_sendto (net/socket.c:2288 net/socket.c:2284 net/socket.c:2284)
[  285.705445][ T7727]  ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22))
[  285.705449][ T7727]  ? lockdep_hardirqs_on (kernel/locking/lockdep.c:4488)
[  285.705452][ T7727]  ? do_syscall_64 (arch/x86/entry/syscall_64.c:81 (discriminator 44))
[  285.705455][ T7727]  do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84)
[  285.705456][ T7727]  ? irq_exit_rcu (kernel/softirq.c:786)
[  285.705461][ T7727]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[  285.705463][ T7727] RIP: 0033:0x7efe2fd5e312
[  285.705466][ 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)
[  285.705468][ T7727] RSP: 002b:00007ffd0c6da7a8 EFLAGS: 00000246 ORIG_RAX: 000000000000002c
[  285.705471][ T7727] RAX: ffffffffffffffda RBX: 00007ffd0c6da8d8 RCX: 00007efe2fd5e312
[  285.705472][ T7727] RDX: 0000000000000044 RSI: 00007efe2c12f500 RDI: 0000000000000020
[  285.705473][ T7727] RBP: 00007ffd0c6da7d0 R08: 00007ffd0c6da950 R09: 000000000000000c
[  285.705474][ T7727] R10: 0000000000000000 R11: 0000000000000246 R12: 00007efe2dbc20b0
[  285.705476][ T7727] R13: 00007ffd0c6da8d8 R14: 00007efe2f67d01a R15: 00007ffd0c6dacc8
| [  286.900823][ T7759] softirqs last disabled at (392571): __irq_exit_rcu (kernel/softirq.c:679 kernel/softirq.c:519 kernel/softirq.c:767)
| [  286.900826][ T7759] Preemption disabled at:
| [  286.900826][ T7759] vprintk_emit (kernel/printk/printk.c:2471)
| [  286.900836][ T7759] Tainted: [W]=WARN
[  286.900837][ T7759] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[  286.900838][ T7759] Call Trace:
[  286.900840][ T7759]  <TASK>
[  286.900841][ T7759]  dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120)
[  286.900848][ T7759]  ? vprintk_emit (kernel/printk/printk.c:2471)
[  286.900850][ T7759]  __might_resched.cold (kernel/sched/core.c:9234)
[  286.900855][ T7759]  ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3))
[  286.900859][ 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)
[  286.900864][ 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))
[  286.900866][ T7759]  ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[  286.900872][ 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)
[  286.900875][ T7759]  alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[  286.900879][ T7759]  put_chars (drivers/char/virtio_console.c:1176)
[  286.900882][ T7759]  ? __send_to_port (drivers/char/virtio_console.c:654)
[  286.900885][ T7759]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380)
[  286.900888][ T7759]  ? validate_chain (kernel/locking/lockdep.c:3817 (discriminator 2) kernel/locking/lockdep.c:3837 (discriminator 2) kernel/locking/lockdep.c:3892 (discriminator 2))
[  286.900893][ T7759]  hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2))
[  286.900898][ T7759]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[  286.900900][ T7759]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[  286.900905][ T7759]  ? hvc_write (drivers/tty/hvc/hvc_console.c:501)
[  286.900909][ T7759]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  286.900911][ T7759]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  286.900916][ T7759]  console_emit_next_record (kernel/printk/printk.c:3183)
[  286.900920][ T7759]  ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20)
[  286.900922][ 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))
[  286.900925][ T7759]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  286.900927][ T7759]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  286.900932][ T7759]  console_flush_one_record (kernel/printk/printk.c:3268)
[  286.900936][ T7759]  ? console_emit_next_record (kernel/printk/printk.c:3150)
[  286.900938][ T7759]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[  286.900944][ T7759]  console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420)
[  286.900947][ T7759]  ? console_flush_one_record (kernel/printk/printk.c:3316)
[  286.900949][ T7759]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  286.900951][ 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)
[  286.900955][ T7759]  ? __down_trylock_console_sem (kernel/printk/printk.c:334)
[  286.900957][ T7759]  ? vprintk_emit (kernel/printk/printk.c:2478)
[  286.900960][ T7759]  vprintk_emit (kernel/printk/printk.c:2479)
[  286.900963][ T7759]  ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126))
[  286.900965][ T7759]  ? sysvec_apic_timer_interrupt (arch/x86/kernel/apic/apic.c:1062 (discriminator 37) arch/x86/kernel/apic/apic.c:1062 (discriminator 37))
[  286.900972][ T7759]  _printk (kernel/printk/printk.c:2504)
[  286.900976][ T7759]  ? snapshot_read.cold (user.c:?)
[  286.900979][ T7759]  ? __netdev_update_features (net/core/dev.c:11060)
[  286.900983][ T7759]  ? __netdev_update_features (net/core/dev.c:11078 (discriminator 2))
[  286.900984][ T7759]  ? netdev_name (./include/linux/netdevice.h:5709 (discriminator 1))
[  286.900988][ T7759]  ? __netdev_printk (net/core/dev.c:13148 (discriminator 2))
[  286.900992][ T7759]  netdev_info (net/core/dev.c:13195 (discriminator 3))
[  286.900995][ T7759]  ? netdev_notice (net/core/dev.c:13194)
[  286.900997][ T7759]  ? ovs_netdev_link (net/openvswitch/vport-netdev.c:85) openvswitch
[  286.901007][ 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)
[  286.901010][ T7759]  __dev_set_promiscuity.cold (net/core/dev.c:9672 (discriminator 3))
[  286.901013][ T7759]  netif_set_promiscuity (net/core/dev.c:9699)
[  286.901018][ T7759]  dev_set_promiscuity (net/core/dev_api.c:288)
[  286.901020][ T7759]  ? dev_disable_lro (net/core/dev_api.c:267)
[  286.901022][ T7759] ovs_netdev_link (net/openvswitch/vport-netdev.c:106) openvswitch
[  286.901028][ T7759] ovs_vport_add (net/openvswitch/vport.c:209) openvswitch
[  286.901033][ T7759] new_vport (net/openvswitch/datapath.c:203) openvswitch
[  286.901038][ 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
[  286.901042][ T7759] ovs_vport_cmd_new (net/openvswitch/datapath.c:2389) openvswitch
[  286.901048][ T7759]  ? ovs_vport_cmd_fill_info.isra.0 (./include/net/netlink.h:1107 (discriminator 1)) openvswitch
[  286.901052][ T7759]  ? __nla_validate_parse (lib/nlattr.c:635)
[  286.901059][ T7759]  ? __nla_parse (lib/nlattr.c:732)
[  286.901061][ T7759]  ? genl_family_rcv_msg_attrs_parse.isra.0 (./include/net/netlink.h:789 (discriminator 2) net/netlink/genetlink.c:944 (discriminator 2))
[  286.901066][ T7759]  genl_family_rcv_msg_doit (net/netlink/genetlink.c:1114)
[  286.901070][ T7759]  ? genl_family_rcv_msg_attrs_parse.isra.0 (./include/net/netlink.h:785 (discriminator 2))
[  286.901079][ T7759]  ? security_capable (security/security.c:660 (discriminator 11))
[  286.901084][ T7759]  genl_family_rcv_msg (net/netlink/genetlink.c:1194)
[  286.901088][ T7759]  ? genl_family_rcv_msg_dumpit (net/netlink/genetlink.c:1079)
[  286.901090][ T7759]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380)
[  286.901093][ T7759]  ? ovs_vport_cmd_fill_info.isra.0 (./include/net/netlink.h:1107 (discriminator 1)) openvswitch
[  286.901097][ T7759]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[  286.901103][ T7759]  genl_rcv_msg (net/netlink/genetlink.c:1209)
[  286.901107][ T7759]  netlink_rcv_skb (net/netlink/af_netlink.c:2556)
[  286.901109][ T7759]  ? genl_family_rcv_msg (net/netlink/genetlink.c:1136 (discriminator 2))
[  286.901112][ T7759]  ? netlink_ack (./include/linux/skbuff.h:2718)
[  286.901120][ 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))
[  286.901122][ 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))
[  286.901127][ T7759]  genl_rcv (net/netlink/genetlink.c:1218)
[  286.901129][ T7759]  netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[  286.901133][ T7759]  ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[  286.901137][ T7759]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[  286.901141][ T7759]  netlink_sendmsg (net/netlink/af_netlink.c:1900)
[  286.901145][ T7759]  ? netlink_unicast (./include/net/net_namespace.h:422 (discriminator 7))
[  286.901147][ T7759]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[  286.901150][ T7759]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554)
[  286.901156][ T7759]  __sock_sendmsg (net/socket.c:800 (discriminator 4) net/socket.c:815 (discriminator 4))
[  286.901159][ T7759]  ? fdget (fs/file.c:1200 fs/file.c:1208)
[  286.901163][ T7759]  __sys_sendto (net/socket.c:2281)
[  286.901166][ T7759]  ? __ia32_sys_getpeername (net/socket.c:2235)
[  286.901178][ T7759]  ? exc_page_fault (arch/x86/mm/fault.c:1483 arch/x86/mm/fault.c:1536)
[  286.901183][ T7759]  __x64_sys_sendto (net/socket.c:2288 net/socket.c:2284 net/socket.c:2284)
[  286.901185][ T7759]  ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22))
[  286.901189][ T7759]  ? lockdep_hardirqs_on (kernel/locking/lockdep.c:4488)
[  286.901191][ T7759]  ? do_syscall_64 (arch/x86/entry/syscall_64.c:81 (discriminator 44))
[  286.901194][ T7759]  do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84)
[  286.901196][ T7759]  ? exc_page_fault (arch/x86/mm/fault.c:1489 (discriminator 3) arch/x86/mm/fault.c:1536 (discriminator 3))
[  286.901199][ T7759]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[  286.901201][ T7759] RIP: 0033:0x7f683d3e7312
[  286.901205][ 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)
[  286.901207][ T7759] RSP: 002b:00007ffc83cf4048 EFLAGS: 00000246 ORIG_RAX: 000000000000002c
[  286.901210][ T7759] RAX: ffffffffffffffda RBX: 00007ffc83cf4178 RCX: 00007f683d3e7312
[  286.901212][ T7759] RDX: 0000000000000038 RSI: 00007f683903fbf0 RDI: 0000000000000023
[  286.901213][ T7759] RBP: 00007ffc83cf4070 R08: 00007ffc83cf41f0 R09: 000000000000000c
[  286.901214][ T7759] R10: 0000000000000000 R11: 0000000000000246 R12: 00007f683b24e190
[  286.901214][ T7759] R13: 00007ffc83cf4178 R14: 00007f683cd0601a R15: 00007ffc83cf4568
| [  287.916334][ T7786] softirqs last disabled at (389904): inet6_fill_ifla6_attrs (net/ipv6/addrconf.c:5883)
| [  287.916336][ T7786] Preemption disabled at:
| [  287.916336][ T7786] vprintk_emit (kernel/printk/printk.c:2471)
| [  287.916346][ T7786] Tainted: [W]=WARN
[  287.916347][ T7786] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[  287.916349][ T7786] Call Trace:
[  287.916350][ T7786]  <TASK>
[  287.916352][ T7786]  dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120)
[  287.916358][ T7786]  ? vprintk_emit (kernel/printk/printk.c:2471)
[  287.916360][ T7786]  __might_resched.cold (kernel/sched/core.c:9234)
[  287.916365][ T7786]  ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3))
[  287.916369][ 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)
[  287.916374][ 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))
[  287.916376][ T7786]  ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[  287.916383][ 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)
[  287.916386][ T7786]  alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[  287.916390][ T7786]  put_chars (drivers/char/virtio_console.c:1176)
[  287.916393][ T7786]  ? __send_to_port (drivers/char/virtio_console.c:654)
[  287.916396][ T7786]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380)
[  287.916400][ T7786]  ? validate_chain (kernel/locking/lockdep.c:3817 (discriminator 2) kernel/locking/lockdep.c:3837 (discriminator 2) kernel/locking/lockdep.c:3892 (discriminator 2))
[  287.916405][ T7786]  hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2))
[  287.916409][ T7786]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[  287.916412][ T7786]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[  287.916417][ T7786]  ? hvc_write (drivers/tty/hvc/hvc_console.c:501)
[  287.916421][ T7786]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  287.916423][ T7786]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  287.916427][ T7786]  console_emit_next_record (kernel/printk/printk.c:3183)
[  287.916432][ T7786]  ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20)
[  287.916434][ 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))
[  287.916437][ T7786]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  287.916439][ T7786]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  287.916444][ T7786]  console_flush_one_record (kernel/printk/printk.c:3268)
[  287.916448][ T7786]  ? console_emit_next_record (kernel/printk/printk.c:3150)
[  287.916450][ T7786]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[  287.916456][ T7786]  console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420)
[  287.916459][ T7786]  ? console_flush_one_record (kernel/printk/printk.c:3316)
[  287.916461][ T7786]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  287.916463][ 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)
[  287.916467][ T7786]  ? __down_trylock_console_sem (kernel/printk/printk.c:334)
[  287.916468][ T7786]  ? vprintk_emit (kernel/printk/printk.c:2478)
[  287.916471][ T7786]  vprintk_emit (kernel/printk/printk.c:2479)
[  287.916475][ T7786]  ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126))
[  287.916480][ T7786]  _printk (kernel/printk/printk.c:2504)
[  287.916484][ T7786]  ? snapshot_read.cold (user.c:?)
[  287.916487][ T7786]  ? lockdep_rtnl_is_held (./include/linux/lockdep.h:249 net/core/rtnetlink.c:182)
[  287.916491][ T7786]  ? netdev_upper_get_next_dev_rcu (net/core/dev.c:8213 (discriminator 5))
[  287.916494][ 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)
[  287.916496][ T7786]  ? __netdev_update_features (net/core/dev.c:11078 (discriminator 2))
[  287.916498][ T7786]  ? netdev_name (./include/linux/netdevice.h:5709 (discriminator 1))
[  287.916502][ T7786]  ? __netdev_printk (net/core/dev.c:13148 (discriminator 2))
[  287.916506][ T7786]  netdev_info (net/core/dev.c:13195 (discriminator 3))
[  287.916509][ T7786]  ? netdev_notice (net/core/dev.c:13194)
[  287.916511][ T7786]  ? ovs_netdev_link (net/openvswitch/vport-netdev.c:85) openvswitch
[  287.916521][ 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)
[  287.916524][ T7786]  __dev_set_promiscuity.cold (net/core/dev.c:9672 (discriminator 3))
[  287.916527][ T7786]  netif_set_promiscuity (net/core/dev.c:9699)
[  287.916531][ T7786]  dev_set_promiscuity (net/core/dev_api.c:288)
[  287.916533][ T7786]  ? dev_disable_lro (net/core/dev_api.c:267)
[  287.916536][ T7786] ovs_netdev_link (net/openvswitch/vport-netdev.c:106) openvswitch
[  287.916541][ T7786] ovs_vport_add (net/openvswitch/vport.c:209) openvswitch
[  287.916555][ T7786] new_vport (net/openvswitch/datapath.c:203) openvswitch
[  287.916559][ 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
[  287.916564][ T7786] ovs_vport_cmd_new (net/openvswitch/datapath.c:2389) openvswitch
[  287.916570][ T7786]  ? ovs_vport_cmd_fill_info.isra.0 (./include/net/netlink.h:1107 (discriminator 1)) openvswitch
[  287.916576][ T7786]  ? __nla_validate_parse (lib/nlattr.c:635)
[  287.916585][ T7786]  ? __nla_parse (lib/nlattr.c:732)
[  287.916589][ T7786]  ? genl_family_rcv_msg_attrs_parse.isra.0 (./include/net/netlink.h:789 (discriminator 2) net/netlink/genetlink.c:944 (discriminator 2))
[  287.916595][ T7786]  genl_family_rcv_msg_doit (net/netlink/genetlink.c:1114)
[  287.916599][ T7786]  ? genl_family_rcv_msg_attrs_parse.isra.0 (./include/net/netlink.h:785 (discriminator 2))
[  287.916608][ T7786]  ? security_capable (security/security.c:660 (discriminator 11))
[  287.916613][ T7786]  genl_family_rcv_msg (net/netlink/genetlink.c:1194)
[  287.916616][ T7786]  ? genl_family_rcv_msg_dumpit (net/netlink/genetlink.c:1079)
[  287.916619][ T7786]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380)
[  287.916622][ T7786]  ? ovs_vport_cmd_fill_info.isra.0 (./include/net/netlink.h:1107 (discriminator 1)) openvswitch
[  287.916626][ T7786]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[  287.916632][ T7786]  genl_rcv_msg (net/netlink/genetlink.c:1209)
[  287.916636][ T7786]  netlink_rcv_skb (net/netlink/af_netlink.c:2556)
[  287.916638][ T7786]  ? genl_family_rcv_msg (net/netlink/genetlink.c:1136 (discriminator 2))
[  287.916642][ T7786]  ? netlink_ack (./include/linux/skbuff.h:2718)
[  287.916649][ 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))
[  287.916651][ 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))
[  287.916656][ T7786]  genl_rcv (net/netlink/genetlink.c:1218)
[  287.916658][ T7786]  netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[  287.916665][ T7786]  ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[  287.916669][ T7786]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[  287.916672][ T7786]  netlink_sendmsg (net/netlink/af_netlink.c:1900)
[  287.916677][ T7786]  ? netlink_unicast (./include/net/net_namespace.h:422 (discriminator 7))
[  287.916679][ T7786]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[  287.916682][ T7786]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554)
[  287.916688][ T7786]  __sock_sendmsg (net/socket.c:800 (discriminator 4) net/socket.c:815 (discriminator 4))
[  287.916691][ T7786]  ? fdget (fs/file.c:1200 fs/file.c:1208)
[  287.916695][ T7786]  __sys_sendto (net/socket.c:2281)
[  287.916698][ T7786]  ? __ia32_sys_getpeername (net/socket.c:2235)
[  287.916704][ T7786]  ? do_futex (kernel/futex/syscalls.c:138)
[  287.916708][ T7786]  ? __ia32_sys_get_robust_list (kernel/futex/syscalls.c:94)
[  287.916714][ T7786]  ? exc_page_fault (arch/x86/mm/fault.c:1483 arch/x86/mm/fault.c:1536)
[  287.916718][ T7786]  ? do_futex (kernel/futex/syscalls.c:153 (discriminator 1))
[  287.916722][ T7786]  __x64_sys_sendto (net/socket.c:2288 net/socket.c:2284 net/socket.c:2284)
[  287.916725][ T7786]  ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22))
[  287.916728][ T7786]  ? lockdep_hardirqs_on (kernel/locking/lockdep.c:4488)
[  287.916730][ T7786]  ? do_syscall_64 (arch/x86/entry/syscall_64.c:81 (discriminator 44))
[  287.916733][ T7786]  do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84)
[  287.916735][ T7786]  ? exc_page_fault (arch/x86/mm/fault.c:1489 (discriminator 3) arch/x86/mm/fault.c:1536 (discriminator 3))
[  287.916737][ T7786]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[  287.916740][ T7786] RIP: 0033:0x7f64a91b3312
[  287.916744][ 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)
[  287.916746][ T7786] RSP: 002b:00007ffee78177b8 EFLAGS: 00000246 ORIG_RAX: 000000000000002c
[  287.916749][ T7786] RAX: ffffffffffffffda RBX: 00007ffee78178e8 RCX: 00007f64a91b3312
[  287.916750][ T7786] RDX: 0000000000000034 RSI: 00007f64a44744b0 RDI: 0000000000000023
[  287.916751][ T7786] RBP: 00007ffee78177e0 R08: 00007ffee7817960 R09: 000000000000000c
[  287.916752][ T7786] R10: 0000000000000000 R11: 0000000000000246 R12: 00007f64a7016190
[  287.916753][ T7786] R13: 00007ffee78178e8 R14: 00007f64a8ad201a R15: 00007ffee7817cd8
| [  296.710102][   T71] softirqs last disabled at (8176816): __neigh_ifdown.isra.0 (./include/linux/spinlock.h:353 net/core/neighbour.c:464)
| [  296.710105][   T71] Preemption disabled at:
| [  296.710106][   T71] vprintk_emit (kernel/printk/printk.c:2471)
| [  296.710115][   T71] Tainted: [W]=WARN
[  296.710115][   T71] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[  296.710117][   T71] Workqueue: netns cleanup_net
[  296.710121][   T71] Call Trace:
[  296.710122][   T71]  <TASK>
[  296.710125][   T71]  dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120)
[  296.710131][   T71]  ? vprintk_emit (kernel/printk/printk.c:2471)
[  296.710133][   T71]  __might_resched.cold (kernel/sched/core.c:9234)
[  296.710137][   T71]  ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3))
[  296.710141][   T71]  ? __kmalloc_noprof (./include/linux/sched/mm.h:317 mm/slub.c:4636 mm/slub.c:4974 mm/slub.c:5413 mm/slub.c:5439)
[  296.710146][   T71]  __kmalloc_noprof (./include/linux/sched/mm.h:322 (discriminator 2) mm/slub.c:4636 (discriminator 2) mm/slub.c:4974 (discriminator 2) mm/slub.c:5413 (discriminator 2) mm/slub.c:5439 (discriminator 2))
[  296.710148][   T71]  ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[  296.710155][   T71]  ? do_raw_spin_unlock (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:32 ./include/asm-generic/qspinlock.h:58 kernel/locking/spinlock_debug.c:101 kernel/locking/spinlock_debug.c:141)
[  296.710158][   T71]  alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[  296.710162][   T71]  put_chars (drivers/char/virtio_console.c:1176)
[  296.710163][   T71]  ? prb_final_commit (kernel/printk/printk_ringbuffer.c:1842)
[  296.710166][   T71]  ? __send_to_port (drivers/char/virtio_console.c:654)
[  296.710169][   T71]  ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4116 (discriminator 3) kernel/rcu/tree.c:4108 (discriminator 3))
[  296.710172][   T71]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380)
[  296.710175][   T71]  ? validate_chain (kernel/locking/lockdep.c:3817 (discriminator 2) kernel/locking/lockdep.c:3837 (discriminator 2) kernel/locking/lockdep.c:3892 (discriminator 2))
[  296.710179][   T71]  hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2))
[  296.710183][   T71]  ? mark_usage (kernel/locking/lockdep.c:4690)
[  296.710186][   T71]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[  296.710187][   T71]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[  296.710192][   T71]  ? hvc_write (drivers/tty/hvc/hvc_console.c:501)
[  296.710195][   T71]  ? console_emit_next_record (kernel/printk/printk.c:3095 (discriminator 2) kernel/printk/printk.c:3182 (discriminator 2))
[  296.710198][   T71]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  296.710200][   T71]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  296.710205][   T71]  console_emit_next_record (kernel/printk/printk.c:3183)
[  296.710209][   T71]  ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20)
[  296.710211][   T71]  ? 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))
[  296.710215][   T71]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  296.710216][   T71]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  296.710221][   T71]  console_flush_one_record (kernel/printk/printk.c:3268)
[  296.710225][   T71]  ? console_emit_next_record (kernel/printk/printk.c:3150)
[  296.710227][   T71]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[  296.710233][   T71]  console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420)
[  296.710236][   T71]  ? console_flush_one_record (kernel/printk/printk.c:3316)
[  296.710238][   T71]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  296.710240][   T71]  ? 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)
[  296.710244][   T71]  ? __down_trylock_console_sem (kernel/printk/printk.c:334)
[  296.710246][   T71]  ? vprintk_emit (kernel/printk/printk.c:2478)
[  296.710249][   T71]  vprintk_emit (kernel/printk/printk.c:2479)
[  296.710252][   T71]  ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126))
[  296.710255][   T71]  ? net_disable_timestamp (./include/linux/workqueue.h:761)
[  296.710257][   T71]  ? net_generic (./include/linux/rcupdate.h:882 ./include/net/netns/generic.h:48) vxlan
[  296.710267][   T71]  _printk (kernel/printk/printk.c:2504)
[  296.710271][   T71]  ? snapshot_read.cold (user.c:?)
[  296.710275][   T71]  ? netdev_name (./include/linux/netdevice.h:5709 (discriminator 1))
[  296.710279][   T71]  ? __netdev_printk (net/core/dev.c:13148 (discriminator 2))
[  296.710283][   T71]  netdev_info (net/core/dev.c:13195 (discriminator 3))
[  296.710287][   T71]  ? netdev_notice (net/core/dev.c:13194)
[  296.710288][   T71]  ? __netdev_upper_dev_unlink (net/core/dev.c:9094)
[  296.710293][   T71]  ? synchronize_rcu_expedited (kernel/rcu/tree_exp.h:985)
[  296.710298][   T71]  ? 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)
[  296.710301][   T71]  __dev_set_promiscuity.cold (net/core/dev.c:9672 (discriminator 3))
[  296.710305][   T71]  netif_set_promiscuity (net/core/dev.c:9699)
[  296.710309][   T71]  dev_set_promiscuity (net/core/dev_api.c:288)
[  296.710311][   T71]  ? rtnl_is_locked (net/core/rtnetlink.c:169)
[  296.710314][   T71] ovs_netdev_detach_dev (net/openvswitch/vport-netdev.c:174) openvswitch
[  296.710321][   T71] dp_device_event (net/openvswitch/dp_notify.c:74) openvswitch
[  296.710326][   T71]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  296.710328][   T71]  notifier_call_chain (kernel/notifier.c:85)
[  296.710335][   T71]  unregister_netdevice_many_notify (net/core/dev.c:2313 net/core/dev.c:2327 net/core/dev.c:12518)
[  296.710340][   T71]  ? unregister_netdevice_queued (./include/linux/list.h:419 (discriminator 3))
[  296.710348][   T71]  default_device_exit_batch (net/core/dev.c:12589 net/core/dev.c:13288)
[  296.710352][   T71]  ? unregister_netdevice_queue (./include/linux/list.h:173)
[  296.710354][   T71]  ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3))
[  296.710357][   T71]  ? fou_exit_net (net/ipv4/fou_core.c:1228)
[  296.710362][   T71]  ops_undo_list (net/core/net_namespace.c:206 net/core/net_namespace.c:253)
[  296.710366][   T71]  ? lockdep_hardirqs_on (kernel/locking/lockdep.c:4488)
[  296.710370][   T71]  ? netns_install (./include/linux/ns_common.h:26)
[  296.710372][   T71]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554)
[  296.710375][   T71]  ? idr_destroy (lib/radix-tree.c:310 lib/radix-tree.c:674 lib/radix-tree.c:1563)
[  296.710380][   T71]  cleanup_net (net/core/net_namespace.c:706)
[  296.710383][   T71]  ? net_passive_dec (./include/linux/llist.h:241)
[  296.710387][   T71]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  296.710389][   T71]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  296.710393][   T71]  process_one_work (kernel/workqueue.c:3387)
[  296.710400][   T71]  ? __queue_delayed_work (kernel/workqueue.c:2622)
[  296.710403][   T71]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2))
[  296.710413][   T71]  worker_thread (kernel/workqueue.c:3470 kernel/workqueue.c:3551)
[  296.710417][   T71]  ? rescuer_thread (./include/linux/list.h:419 (discriminator 3))
[  296.710420][   T71]  ? __kthread_parkme (./include/linux/instrumented.h:82 ./include/asm-generic/bitops/instrumented-non-atomic.h:141 kernel/kthread.c:272)
[  296.710423][   T71]  ? rescuer_thread (./include/linux/list.h:419 (discriminator 3))
[  296.710426][   T71]  ? rescuer_thread (./include/linux/list.h:419 (discriminator 3))
[  296.710428][   T71]  kthread (kernel/kthread.c:436)
[  296.710430][   T71]  ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22))
[  296.710434][   T71]  ? kthread_affine_preferred (kernel/kthread.c:857)
[  296.710437][   T71]  ret_from_fork (arch/x86/kernel/process.c:158)
[  296.710441][   T71]  ? arch_exit_to_user_mode_prepare.isra.0 (arch/x86/entry/vdso/vma.c:80 (discriminator 1))
[  296.710445][   T71]  ? __switch_to (arch/x86/kernel/process_64.c:403 arch/x86/kernel/process_64.c:663)
[  296.710449][   T71]  ? kthread_affine_preferred (kernel/kthread.c:857)
[  296.710452][   T71]  ret_from_fork_asm (arch/x86/entry/entry_64.S:245)
| [  297.720344][ T7987] softirqs last disabled at (385904): inet6_fill_ifla6_attrs (net/ipv6/addrconf.c:5883)
| [  297.720346][ T7987] Preemption disabled at:
| [  297.720346][ T7987] vprintk_emit (kernel/printk/printk.c:2471)
| [  297.720355][ T7987] Tainted: [W]=WARN
[  297.720356][ T7987] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[  297.720358][ T7987] Call Trace:
[  297.720360][ T7987]  <TASK>
[  297.720362][ T7987]  dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120)
[  297.720368][ T7987]  ? vprintk_emit (kernel/printk/printk.c:2471)
[  297.720370][ T7987]  __might_resched.cold (kernel/sched/core.c:9234)
[  297.720374][ T7987]  ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3))
[  297.720379][ 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)
[  297.720383][ 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))
[  297.720385][ T7987]  ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[  297.720392][ 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)
[  297.720395][ T7987]  alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[  297.720399][ T7987]  put_chars (drivers/char/virtio_console.c:1176)
[  297.720402][ T7987]  ? __send_to_port (drivers/char/virtio_console.c:654)
[  297.720403][ T7987]  ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4116 (discriminator 3) kernel/rcu/tree.c:4108 (discriminator 3))
[  297.720407][ T7987]  ? validate_chain (kernel/locking/lockdep.c:3817 (discriminator 2) kernel/locking/lockdep.c:3837 (discriminator 2) kernel/locking/lockdep.c:3892 (discriminator 2))
[  297.720414][ T7987]  hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2))
[  297.720422][ T7987]  ? hvc_write (drivers/tty/hvc/hvc_console.c:501)
[  297.720425][ T7987]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  297.720427][ T7987]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  297.720431][ T7987]  console_emit_next_record (kernel/printk/printk.c:3183)
[  297.720436][ T7987]  ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20)
[  297.720438][ 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))
[  297.720441][ T7987]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  297.720443][ T7987]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  297.720447][ T7987]  console_flush_one_record (kernel/printk/printk.c:3268)
[  297.720452][ T7987]  ? console_emit_next_record (kernel/printk/printk.c:3150)
[  297.720454][ T7987]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[  297.720460][ T7987]  console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420)
[  297.720463][ T7987]  ? console_flush_one_record (kernel/printk/printk.c:3316)
[  297.720465][ T7987]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  297.720467][ 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)
[  297.720471][ T7987]  ? __down_trylock_console_sem (kernel/printk/printk.c:334)
[  297.720473][ T7987]  ? vprintk_emit (kernel/printk/printk.c:2478)
[  297.720476][ T7987]  vprintk_emit (kernel/printk/printk.c:2479)
[  297.720479][ T7987]  ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126))
[  297.720482][ T7987]  ? net_disable_timestamp (./include/linux/workqueue.h:761)
[  297.720485][ T7987]  ? net_generic (./include/linux/rcupdate.h:882 ./include/net/netns/generic.h:48) vxlan
[  297.720493][ T7987]  _printk (kernel/printk/printk.c:2504)
[  297.720497][ T7987]  ? snapshot_read.cold (user.c:?)
[  297.720502][ T7987]  ? netdev_name (./include/linux/netdevice.h:5709 (discriminator 1))
[  297.720506][ T7987]  ? __netdev_printk (net/core/dev.c:13148 (discriminator 2))
[  297.720510][ T7987]  netdev_info (net/core/dev.c:13195 (discriminator 3))
[  297.720513][ T7987]  ? netdev_notice (net/core/dev.c:13194)
[  297.720515][ T7987]  ? __netdev_upper_dev_unlink (net/core/dev.c:9094)
[  297.720520][ T7987]  ? synchronize_rcu_expedited (kernel/rcu/tree_exp.h:985)
[  297.720525][ 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)
[  297.720528][ T7987]  __dev_set_promiscuity.cold (net/core/dev.c:9672 (discriminator 3))
[  297.720532][ T7987]  netif_set_promiscuity (net/core/dev.c:9699)
[  297.720536][ T7987]  dev_set_promiscuity (net/core/dev_api.c:288)
[  297.720538][ T7987]  ? rtnl_is_locked (net/core/rtnetlink.c:169)
[  297.720542][ T7987] ovs_netdev_detach_dev (net/openvswitch/vport-netdev.c:174) openvswitch
[  297.720546][ T7987]  ? netdev_destroy (net/openvswitch/vport-netdev.c:189) openvswitch
[  297.720550][ T7987] netdev_destroy (net/openvswitch/vport-netdev.c:194) openvswitch
[  297.720555][ T7987] ovs_vport_cmd_del (net/openvswitch/datapath.c:2505) openvswitch
[  297.720564][ T7987]  genl_family_rcv_msg_doit (net/netlink/genetlink.c:1114)
[  297.720567][ T7987]  ? genl_family_rcv_msg_attrs_parse.isra.0 (./include/net/netlink.h:785 (discriminator 2))
[  297.720580][ T7987]  ? security_capable (security/security.c:660 (discriminator 11))
[  297.720587][ T7987]  genl_family_rcv_msg (net/netlink/genetlink.c:1194)
[  297.720592][ T7987]  ? genl_family_rcv_msg_dumpit (net/netlink/genetlink.c:1079)
[  297.720595][ T7987]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380)
[  297.720598][ T7987]  ? ovs_dp_detach_port (./include/linux/list.h:1047 (discriminator 2)) openvswitch
[  297.720602][ T7987]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[  297.720608][ T7987]  genl_rcv_msg (net/netlink/genetlink.c:1209)
[  297.720612][ T7987]  netlink_rcv_skb (net/netlink/af_netlink.c:2556)
[  297.720621][ T7987]  ? genl_family_rcv_msg (net/netlink/genetlink.c:1136 (discriminator 2))
[  297.720625][ T7987]  ? netlink_ack (./include/linux/skbuff.h:2718)
[  297.720632][ 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))
[  297.720634][ 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))
[  297.720639][ T7987]  genl_rcv (net/netlink/genetlink.c:1218)
[  297.720641][ T7987]  netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[  297.720646][ T7987]  ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[  297.720650][ T7987]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[  297.720653][ T7987]  netlink_sendmsg (net/netlink/af_netlink.c:1900)
[  297.720658][ T7987]  ? netlink_unicast (./include/net/net_namespace.h:422 (discriminator 7))
[  297.720660][ T7987]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[  297.720666][ T7987]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554)
[  297.720671][ T7987]  __sock_sendmsg (net/socket.c:800 (discriminator 4) net/socket.c:815 (discriminator 4))
[  297.720674][ T7987]  ? fdget (fs/file.c:1200 fs/file.c:1208)
[  297.720678][ T7987]  __sys_sendto (net/socket.c:2281)
[  297.720682][ T7987]  ? __ia32_sys_getpeername (net/socket.c:2235)
[  297.720693][ T7987]  ? exc_page_fault (arch/x86/mm/fault.c:1483 arch/x86/mm/fault.c:1536)
[  297.720701][ T7987]  __x64_sys_sendto (net/socket.c:2288 net/socket.c:2284 net/socket.c:2284)
[  297.720703][ T7987]  ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22))
[  297.720707][ T7987]  ? lockdep_hardirqs_on (kernel/locking/lockdep.c:4488)
[  297.720708][ T7987]  ? do_syscall_64 (arch/x86/entry/syscall_64.c:81 (discriminator 44))
[  297.720711][ T7987]  do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84)
[  297.720713][ T7987]  ? exc_page_fault (arch/x86/mm/fault.c:1489 (discriminator 3) arch/x86/mm/fault.c:1536 (discriminator 3))
[  297.720716][ T7987]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[  297.720718][ T7987] RIP: 0033:0x7ff0fc9ed312
[  297.720722][ 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)
[  297.720724][ T7987] RSP: 002b:00007ffe3c4c2358 EFLAGS: 00000246 ORIG_RAX: 000000000000002c
[  297.720727][ T7987] RAX: ffffffffffffffda RBX: 00007ffe3c4c2488 RCX: 00007ff0fc9ed312
[  297.720729][ T7987] RDX: 0000000000000024 RSI: 00007ff0f8640b70 RDI: 0000000000000023
[  297.720729][ T7987] RBP: 00007ffe3c4c2380 R08: 00007ffe3c4c2500 R09: 000000000000000c
[  297.720730][ T7987] R10: 0000000000000000 R11: 0000000000000246 R12: 00007ff0fa845fd0
[  297.720731][ T7987] R13: 00007ffe3c4c2488 R14: 00007ff0fc30c01a R15: 00007ffe3c4c2878
| [  299.287879][ T8013] softirqs last disabled at (381140): __alloc_skb (./include/linux/bottom_half.h:20 (discriminator 2) net/core/skbuff.c:697 (discriminator 2))
| [  299.287882][ T8013] Preemption disabled at:
| [  299.287883][ T8013] vprintk_emit (kernel/printk/printk.c:2471)
| [  299.287892][ T8013] Tainted: [W]=WARN
[  299.287893][ T8013] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[  299.287894][ T8013] Call Trace:
[  299.287896][ T8013]  <TASK>
[  299.287898][ T8013]  dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120)
[  299.287904][ T8013]  ? vprintk_emit (kernel/printk/printk.c:2471)
[  299.287906][ T8013]  __might_resched.cold (kernel/sched/core.c:9234)
[  299.287911][ T8013]  ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3))
[  299.287915][ 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)
[  299.287920][ 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))
[  299.287922][ T8013]  ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[  299.287929][ 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)
[  299.287932][ T8013]  alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[  299.287936][ T8013]  put_chars (drivers/char/virtio_console.c:1176)
[  299.287939][ T8013]  ? __send_to_port (drivers/char/virtio_console.c:654)
[  299.287941][ T8013]  ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4116 (discriminator 3) kernel/rcu/tree.c:4108 (discriminator 3))
[  299.287945][ T8013]  ? validate_chain (kernel/locking/lockdep.c:3817 (discriminator 2) kernel/locking/lockdep.c:3837 (discriminator 2) kernel/locking/lockdep.c:3892 (discriminator 2))
[  299.287951][ T8013]  hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2))
[  299.287960][ T8013]  ? hvc_write (drivers/tty/hvc/hvc_console.c:501)
[  299.287962][ T8013]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  299.287965][ T8013]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  299.287969][ T8013]  console_emit_next_record (kernel/printk/printk.c:3183)
[  299.287974][ T8013]  ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20)
[  299.287976][ 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))
[  299.287979][ T8013]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  299.287981][ T8013]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  299.287986][ T8013]  console_flush_one_record (kernel/printk/printk.c:3268)
[  299.287990][ T8013]  ? console_emit_next_record (kernel/printk/printk.c:3150)
[  299.287993][ T8013]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[  299.287999][ T8013]  console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420)
[  299.288002][ T8013]  ? console_flush_one_record (kernel/printk/printk.c:3316)
[  299.288004][ T8013]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  299.288006][ 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)
[  299.288010][ T8013]  ? __down_trylock_console_sem (kernel/printk/printk.c:334)
[  299.288012][ T8013]  ? vprintk_emit (kernel/printk/printk.c:2478)
[  299.288015][ T8013]  vprintk_emit (kernel/printk/printk.c:2479)
[  299.288018][ T8013]  ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126))
[  299.288020][ T8013]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380)
[  299.288023][ T8013]  ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4116 (discriminator 3) kernel/rcu/tree.c:4108 (discriminator 3))
[  299.288027][ T8013]  _printk (kernel/printk/printk.c:2504)
[  299.288031][ T8013]  ? snapshot_read.cold (user.c:?)
[  299.288036][ T8013]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  299.288037][ T8013]  ? netdev_name (./include/linux/netdevice.h:5709 (discriminator 1))
[  299.288041][ T8013]  ? __netdev_printk (net/core/dev.c:13148 (discriminator 2))
[  299.288046][ T8013]  netdev_info (net/core/dev.c:13195 (discriminator 3))
[  299.288049][ T8013]  ? netdev_notice (net/core/dev.c:13194)
[  299.288051][ T8013]  ? internal_dev_destroy (net/openvswitch/vport-internal_dev.c:178) openvswitch
[  299.288057][ T8013]  ? ww_mutex_lock (kernel/locking/mutex.c:934)
[  299.288063][ 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)
[  299.288066][ T8013]  __dev_set_promiscuity.cold (net/core/dev.c:9672 (discriminator 3))
[  299.288070][ T8013]  netif_set_promiscuity (net/core/dev.c:9699)
[  299.288075][ T8013]  dev_set_promiscuity (net/core/dev_api.c:288)
[  299.288078][ T8013] internal_dev_destroy (net/openvswitch/vport-internal_dev.c:179) openvswitch
[  299.288084][ T8013] __dp_destroy (net/openvswitch/datapath.c:1969 (discriminator 1)) openvswitch
[  299.288091][ T8013] ovs_dp_cmd_del (net/openvswitch/datapath.c:2003) openvswitch
[  299.288097][ T8013]  genl_family_rcv_msg_doit (net/netlink/genetlink.c:1114)
[  299.288101][ T8013]  ? genl_family_rcv_msg_attrs_parse.isra.0 (./include/net/netlink.h:785 (discriminator 2))
[  299.288110][ T8013]  ? security_capable (security/security.c:660 (discriminator 11))
[  299.288115][ T8013]  genl_family_rcv_msg (net/netlink/genetlink.c:1194)
[  299.288119][ T8013]  ? genl_family_rcv_msg_dumpit (net/netlink/genetlink.c:1079)
[  299.288122][ T8013]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380)
[  299.288124][ 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
[  299.288128][ T8013]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[  299.288135][ T8013]  genl_rcv_msg (net/netlink/genetlink.c:1209)
[  299.288138][ T8013]  netlink_rcv_skb (net/netlink/af_netlink.c:2556)
[  299.288140][ T8013]  ? genl_family_rcv_msg (net/netlink/genetlink.c:1136 (discriminator 2))
[  299.288144][ T8013]  ? netlink_ack (./include/linux/skbuff.h:2718)
[  299.288152][ 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))
[  299.288154][ 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))
[  299.288159][ T8013]  genl_rcv (net/netlink/genetlink.c:1218)
[  299.288161][ T8013]  netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[  299.288165][ T8013]  ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[  299.288169][ T8013]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[  299.288173][ T8013]  netlink_sendmsg (net/netlink/af_netlink.c:1900)
[  299.288178][ T8013]  ? netlink_unicast (./include/net/net_namespace.h:422 (discriminator 7))
[  299.288179][ T8013]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[  299.288183][ T8013]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554)
[  299.288188][ T8013]  __sock_sendmsg (net/socket.c:800 (discriminator 4) net/socket.c:815 (discriminator 4))
[  299.288191][ T8013]  ? fdget (fs/file.c:1200 fs/file.c:1208)
[  299.288195][ T8013]  __sys_sendto (net/socket.c:2281)
[  299.288198][ T8013]  ? __ia32_sys_getpeername (net/socket.c:2235)
[  299.288211][ T8013]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554)
[  299.288216][ T8013]  __x64_sys_sendto (net/socket.c:2288 net/socket.c:2284 net/socket.c:2284)
[  299.288218][ T8013]  ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22))
[  299.288222][ T8013]  ? lockdep_hardirqs_on (kernel/locking/lockdep.c:4488)
[  299.288224][ T8013]  ? do_syscall_64 (arch/x86/entry/syscall_64.c:81 (discriminator 44))
[  299.288227][ T8013]  do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84)
[  299.288229][ T8013]  ? irq_exit_rcu (kernel/softirq.c:786)
[  299.288234][ T8013]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[  299.288236][ T8013] RIP: 0033:0x7f3852a67312
[  299.288240][ 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)
[  299.288242][ T8013] RSP: 002b:00007fffb0c24f78 EFLAGS: 00000246 ORIG_RAX: 000000000000002c
[  299.288245][ T8013] RAX: ffffffffffffffda RBX: 00007fffb0c250a8 RCX: 00007f3852a67312
[  299.288246][ T8013] RDX: 0000000000000024 RSI: 00007f384e639f20 RDI: 0000000000000020
[  299.288247][ T8013] RBP: 00007fffb0c24fa0 R08: 00007fffb0c25120 R09: 000000000000000c
[  299.288248][ T8013] R10: 0000000000000000 R11: 0000000000000246 R12: 00007f38508c9e10
[  299.288249][ T8013] R13: 00007fffb0c250a8 R14: 00007f385238601a R15: 00007fffb0c25498
| [  302.520101][ T8108] softirqs last disabled at (403642): __alloc_skb (./include/linux/bottom_half.h:20 (discriminator 2) net/core/skbuff.c:697 (discriminator 2))
| [  302.520104][ T8108] Preemption disabled at:
| [  302.520104][ T8108] vprintk_emit (kernel/printk/printk.c:2471)
| [  302.520114][ T8108] Tainted: [W]=WARN
[  302.520115][ T8108] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[  302.520116][ T8108] Call Trace:
[  302.520118][ T8108]  <TASK>
[  302.520120][ T8108]  dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120)
[  302.520127][ T8108]  ? vprintk_emit (kernel/printk/printk.c:2471)
[  302.520128][ T8108]  __might_resched.cold (kernel/sched/core.c:9234)
[  302.520133][ T8108]  ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3))
[  302.520137][ 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)
[  302.520142][ 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))
[  302.520144][ T8108]  ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[  302.520151][ 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)
[  302.520154][ T8108]  alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[  302.520158][ T8108]  put_chars (drivers/char/virtio_console.c:1176)
[  302.520161][ T8108]  ? __send_to_port (drivers/char/virtio_console.c:654)
[  302.520163][ T8108]  ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4116 (discriminator 3) kernel/rcu/tree.c:4108 (discriminator 3))
[  302.520167][ T8108]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380)
[  302.520170][ T8108]  ? validate_chain (kernel/locking/lockdep.c:3817 (discriminator 2) kernel/locking/lockdep.c:3837 (discriminator 2) kernel/locking/lockdep.c:3892 (discriminator 2))
[  302.520174][ T8108]  hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2))
[  302.520178][ T8108]  ? mark_usage (kernel/locking/lockdep.c:4690)
[  302.520180][ T8108]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[  302.520182][ T8108]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[  302.520187][ T8108]  ? hvc_write (drivers/tty/hvc/hvc_console.c:501)
[  302.520189][ T8108]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2))
[  302.520193][ T8108]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  302.520198][ T8108]  console_emit_next_record (kernel/printk/printk.c:3183)
[  302.520202][ T8108]  ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20)
[  302.520204][ 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))
[  302.520207][ T8108]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  302.520209][ T8108]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  302.520213][ T8108]  console_flush_one_record (kernel/printk/printk.c:3268)
[  302.520218][ T8108]  ? console_emit_next_record (kernel/printk/printk.c:3150)
[  302.520220][ T8108]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[  302.520225][ T8108]  console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420)
[  302.520228][ T8108]  ? console_flush_one_record (kernel/printk/printk.c:3316)
[  302.520230][ T8108]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  302.520232][ 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)
[  302.520236][ T8108]  ? __down_trylock_console_sem (kernel/printk/printk.c:334)
[  302.520238][ T8108]  ? vprintk_emit (kernel/printk/printk.c:2478)
[  302.520241][ T8108]  vprintk_emit (kernel/printk/printk.c:2479)
[  302.520244][ T8108]  ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126))
[  302.520246][ T8108]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554)
[  302.520248][ T8108]  ? genl_family_rcv_msg (net/netlink/genetlink.c:1194)
[  302.520253][ T8108]  _printk (kernel/printk/printk.c:2504)
[  302.520257][ T8108]  ? snapshot_read.cold (user.c:?)
[  302.520259][ T8108]  ? ___ratelimit (lib/ratelimit.c:97 (discriminator 3))
[  302.520265][ T8108]  ? idr_get_free (??:?)
[  302.520270][ T8108]  validate_nla.cold (lib/nlattr.c:414 (discriminator 4))
[  302.520280][ T8108]  ? nla_get_range_signed (lib/nlattr.c:270)
[  302.520286][ T8108]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  302.520288][ T8108]  ? trace_kmalloc (./include/trace/events/kmem.h:57 (discriminator 22))
[  302.520293][ T8108]  __nla_validate_parse (lib/nlattr.c:635)
[  302.520298][ T8108]  __nla_parse (lib/nlattr.c:732)
[  302.520301][ T8108]  genl_family_rcv_msg_attrs_parse.isra.0 (./include/net/netlink.h:789 (discriminator 2) net/netlink/genetlink.c:944 (discriminator 2))
[  302.520306][ T8108]  genl_family_rcv_msg_doit (net/netlink/genetlink.c:1092)
[  302.520309][ T8108]  ? genl_family_rcv_msg_attrs_parse.isra.0 (./include/net/netlink.h:785 (discriminator 2))
[  302.520318][ T8108]  ? security_capable (security/security.c:660 (discriminator 11))
[  302.520322][ T8108]  genl_family_rcv_msg (net/netlink/genetlink.c:1194)
[  302.520326][ T8108]  ? genl_family_rcv_msg_dumpit (net/netlink/genetlink.c:1079)
[  302.520329][ T8108]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380)
[  302.520332][ T8108]  ? ovs_dp_cmd_get (./include/net/net_namespace.h:422 (discriminator 7)) openvswitch
[  302.520340][ T8108]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[  302.520346][ T8108]  genl_rcv_msg (net/netlink/genetlink.c:1209)
[  302.520349][ T8108]  netlink_rcv_skb (net/netlink/af_netlink.c:2556)
[  302.520351][ T8108]  ? genl_family_rcv_msg (net/netlink/genetlink.c:1136 (discriminator 2))
[  302.520355][ T8108]  ? netlink_ack (./include/linux/skbuff.h:2718)
[  302.520363][ 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))
[  302.520365][ 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))
[  302.520369][ T8108]  genl_rcv (net/netlink/genetlink.c:1218)
[  302.520371][ T8108]  netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[  302.520376][ T8108]  ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[  302.520380][ T8108]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[  302.520383][ T8108]  netlink_sendmsg (net/netlink/af_netlink.c:1900)
[  302.520387][ T8108]  ? netlink_unicast (./include/net/net_namespace.h:422 (discriminator 7))
[  302.520389][ T8108]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[  302.520392][ T8108]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554)
[  302.520398][ T8108]  __sock_sendmsg (net/socket.c:800 (discriminator 4) net/socket.c:815 (discriminator 4))
[  302.520400][ T8108]  ? fdget (fs/file.c:1200 fs/file.c:1208)
[  302.520404][ T8108]  __sys_sendto (net/socket.c:2281)
[  302.520408][ T8108]  ? __ia32_sys_getpeername (net/socket.c:2235)
[  302.520419][ T8108]  ? fput_close_sync (fs/file_table.c:617)
[  302.520423][ T8108]  ? alloc_file_clone (fs/file_table.c:479)
[  302.520427][ T8108]  __x64_sys_sendto (net/socket.c:2288 net/socket.c:2284 net/socket.c:2284)
[  302.520429][ T8108]  ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22))
[  302.520433][ T8108]  ? lockdep_hardirqs_on (kernel/locking/lockdep.c:4488)
[  302.520436][ T8108]  ? do_syscall_64 (arch/x86/entry/syscall_64.c:81 (discriminator 44))
[  302.520438][ T8108]  do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84)
[  302.520441][ T8108]  ? irq_exit_rcu (kernel/softirq.c:786)
[  302.520445][ T8108]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[  302.520447][ T8108] RIP: 0033:0x7faa7f570312
[  302.520451][ 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)
[  302.520453][ T8108] RSP: 002b:00007ffc14bcd008 EFLAGS: 00000246 ORIG_RAX: 000000000000002c
[  302.520456][ T8108] RAX: ffffffffffffffda RBX: 00007ffc14bcd138 RCX: 00007faa7f570312
[  302.520458][ T8108] RDX: 0000000000000044 RSI: 00007faa7c14efb0 RDI: 0000000000000020
[  302.520459][ T8108] RBP: 00007ffc14bcd030 R08: 00007ffc14bcd1b0 R09: 000000000000000c
[  302.520460][ T8108] R10: 0000000000000000 R11: 0000000000000246 R12: 00007faa7d3de0b0
[  302.520461][ T8108] R13: 00007ffc14bcd138 R14: 00007faa7ee8f01a R15: 00007ffc14bcd528
| [  303.754502][ T8140] softirqs last disabled at (383124): inet6_fill_ifla6_attrs (net/ipv6/addrconf.c:5883)
| [  303.754504][ T8140] Preemption disabled at:
| [  303.754505][ T8140] vprintk_emit (kernel/printk/printk.c:2471)
| [  303.754514][ T8140] Tainted: [W]=WARN
[  303.754514][ T8140] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[  303.754516][ T8140] Call Trace:
[  303.754518][ T8140]  <TASK>
[  303.754520][ T8140]  dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120)
[  303.754526][ T8140]  ? vprintk_emit (kernel/printk/printk.c:2471)
[  303.754528][ T8140]  __might_resched.cold (kernel/sched/core.c:9234)
[  303.754533][ T8140]  ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3))
[  303.754537][ 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)
[  303.754542][ 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))
[  303.754544][ T8140]  ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[  303.754551][ 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)
[  303.754554][ T8140]  alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[  303.754558][ T8140]  put_chars (drivers/char/virtio_console.c:1176)
[  303.754560][ T8140]  ? __send_to_port (drivers/char/virtio_console.c:654)
[  303.754564][ T8140]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380)
[  303.754567][ T8140]  ? validate_chain (kernel/locking/lockdep.c:3817 (discriminator 2) kernel/locking/lockdep.c:3837 (discriminator 2) kernel/locking/lockdep.c:3892 (discriminator 2))
[  303.754573][ T8140]  hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2))
[  303.754578][ T8140]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[  303.754581][ T8140]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[  303.754589][ T8140]  ? hvc_write (drivers/tty/hvc/hvc_console.c:501)
[  303.754594][ T8140]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  303.754597][ T8140]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  303.754601][ T8140]  console_emit_next_record (kernel/printk/printk.c:3183)
[  303.754606][ T8140]  ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20)
[  303.754608][ 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))
[  303.754611][ T8140]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  303.754613][ T8140]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  303.754618][ T8140]  console_flush_one_record (kernel/printk/printk.c:3268)
[  303.754623][ T8140]  ? console_emit_next_record (kernel/printk/printk.c:3150)
[  303.754625][ T8140]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[  303.754631][ T8140]  console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420)
[  303.754634][ T8140]  ? console_flush_one_record (kernel/printk/printk.c:3316)
[  303.754636][ T8140]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  303.754638][ 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)
[  303.754642][ T8140]  ? __down_trylock_console_sem (kernel/printk/printk.c:334)
[  303.754644][ T8140]  ? vprintk_emit (kernel/printk/printk.c:2478)
[  303.754647][ T8140]  vprintk_emit (kernel/printk/printk.c:2479)
[  303.754650][ T8140]  ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126))
[  303.754656][ T8140]  _printk (kernel/printk/printk.c:2504)
[  303.754669][ T8140]  ? snapshot_read.cold (user.c:?)
[  303.754672][ T8140]  ? lockdep_rtnl_is_held (./include/linux/lockdep.h:249 net/core/rtnetlink.c:182)
[  303.754676][ T8140]  ? netdev_upper_get_next_dev_rcu (net/core/dev.c:8213 (discriminator 5))
[  303.754680][ T8140]  ? __netdev_update_features (net/core/dev.c:11078 (discriminator 2))
[  303.754682][ T8140]  ? netdev_name (./include/linux/netdevice.h:5709 (discriminator 1))
[  303.754686][ T8140]  ? __netdev_printk (net/core/dev.c:13148 (discriminator 2))
[  303.754690][ T8140]  netdev_info (net/core/dev.c:13195 (discriminator 3))
[  303.754693][ T8140]  ? netdev_notice (net/core/dev.c:13194)
[  303.754695][ T8140]  ? ovs_netdev_link (net/openvswitch/vport-netdev.c:85) openvswitch
[  303.754704][ 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)
[  303.754707][ T8140]  __dev_set_promiscuity.cold (net/core/dev.c:9672 (discriminator 3))
[  303.754711][ T8140]  netif_set_promiscuity (net/core/dev.c:9699)
[  303.754716][ T8140]  dev_set_promiscuity (net/core/dev_api.c:288)
[  303.754718][ T8140]  ? dev_disable_lro (net/core/dev_api.c:267)
[  303.754720][ T8140] ovs_netdev_link (net/openvswitch/vport-netdev.c:106) openvswitch
[  303.754726][ T8140] ovs_vport_add (net/openvswitch/vport.c:209) openvswitch
[  303.754731][ T8140] new_vport (net/openvswitch/datapath.c:203) openvswitch
[  303.754735][ 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
[  303.754740][ T8140] ovs_vport_cmd_new (net/openvswitch/datapath.c:2389) openvswitch
[  303.754747][ T8140]  ? ovs_vport_cmd_fill_info.isra.0 (./include/net/netlink.h:1107 (discriminator 1)) openvswitch
[  303.754750][ T8140]  ? __nla_validate_parse (lib/nlattr.c:635)
[  303.754757][ T8140]  ? __nla_parse (lib/nlattr.c:732)
[  303.754760][ T8140]  ? genl_family_rcv_msg_attrs_parse.isra.0 (./include/net/netlink.h:789 (discriminator 2) net/netlink/genetlink.c:944 (discriminator 2))
[  303.754765][ T8140]  genl_family_rcv_msg_doit (net/netlink/genetlink.c:1114)
[  303.754769][ T8140]  ? genl_family_rcv_msg_attrs_parse.isra.0 (./include/net/netlink.h:785 (discriminator 2))
[  303.754778][ T8140]  ? security_capable (security/security.c:660 (discriminator 11))
[  303.754783][ T8140]  genl_family_rcv_msg (net/netlink/genetlink.c:1194)
[  303.754787][ T8140]  ? genl_family_rcv_msg_dumpit (net/netlink/genetlink.c:1079)
[  303.754789][ T8140]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380)
[  303.754792][ T8140]  ? ovs_vport_cmd_fill_info.isra.0 (./include/net/netlink.h:1107 (discriminator 1)) openvswitch
[  303.754796][ T8140]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[  303.754802][ T8140]  genl_rcv_msg (net/netlink/genetlink.c:1209)
[  303.754806][ T8140]  netlink_rcv_skb (net/netlink/af_netlink.c:2556)
[  303.754808][ T8140]  ? genl_family_rcv_msg (net/netlink/genetlink.c:1136 (discriminator 2))
[  303.754812][ T8140]  ? netlink_ack (./include/linux/skbuff.h:2718)
[  303.754820][ 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))
[  303.754822][ 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))
[  303.754826][ T8140]  genl_rcv (net/netlink/genetlink.c:1218)
[  303.754829][ T8140]  netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[  303.754833][ T8140]  ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[  303.754837][ T8140]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[  303.754841][ T8140]  netlink_sendmsg (net/netlink/af_netlink.c:1900)
[  303.754845][ T8140]  ? netlink_unicast (./include/net/net_namespace.h:422 (discriminator 7))
[  303.754847][ T8140]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[  303.754850][ T8140]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554)
[  303.754856][ T8140]  __sock_sendmsg (net/socket.c:800 (discriminator 4) net/socket.c:815 (discriminator 4))
[  303.754859][ T8140]  ? fdget (fs/file.c:1200 fs/file.c:1208)
[  303.754863][ T8140]  __sys_sendto (net/socket.c:2281)
[  303.754866][ T8140]  ? __ia32_sys_getpeername (net/socket.c:2235)
[  303.754878][ T8140]  ? exc_page_fault (arch/x86/mm/fault.c:1483 arch/x86/mm/fault.c:1536)
[  303.754885][ T8140]  __x64_sys_sendto (net/socket.c:2288 net/socket.c:2284 net/socket.c:2284)
[  303.754887][ T8140]  ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22))
[  303.754891][ T8140]  ? lockdep_hardirqs_on (kernel/locking/lockdep.c:4488)
[  303.754893][ T8140]  ? do_syscall_64 (arch/x86/entry/syscall_64.c:81 (discriminator 44))
[  303.754896][ T8140]  do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84)
[  303.754898][ T8140]  ? exc_page_fault (arch/x86/mm/fault.c:1489 (discriminator 3) arch/x86/mm/fault.c:1536 (discriminator 3))
[  303.754900][ T8140]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[  303.754903][ T8140] RIP: 0033:0x7f0bc1da9312
[  303.754907][ 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)
[  303.754909][ T8140] RSP: 002b:00007ffdcd873098 EFLAGS: 00000246 ORIG_RAX: 000000000000002c
[  303.754912][ T8140] RAX: ffffffffffffffda RBX: 00007ffdcd8731c8 RCX: 00007f0bc1da9312
[  303.754913][ T8140] RDX: 0000000000000038 RSI: 00007f0bbda13230 RDI: 0000000000000023
[  303.754914][ T8140] RBP: 00007ffdcd8730c0 R08: 00007ffdcd873240 R09: 000000000000000c
[  303.754915][ T8140] R10: 0000000000000000 R11: 0000000000000246 R12: 00007f0bbfc06190
[  303.754916][ T8140] R13: 00007ffdcd8731c8 R14: 00007f0bc16c801a R15: 00007ffdcd8735b8
| [  304.802288][ T8167] softirqs last disabled at (397196): inet6_fill_ifla6_attrs (net/ipv6/addrconf.c:5883)
| [  304.802290][ T8167] Preemption disabled at:
| [  304.802291][ T8167] vprintk_emit (kernel/printk/printk.c:2471)
| [  304.802300][ T8167] Tainted: [W]=WARN
[  304.802301][ T8167] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[  304.802303][ T8167] Call Trace:
[  304.802304][ T8167]  <TASK>
[  304.802306][ T8167]  dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120)
[  304.802313][ T8167]  ? vprintk_emit (kernel/printk/printk.c:2471)
[  304.802315][ T8167]  __might_resched.cold (kernel/sched/core.c:9234)
[  304.802319][ T8167]  ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3))
[  304.802324][ 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)
[  304.802329][ 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))
[  304.802331][ T8167]  ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[  304.802338][ 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)
[  304.802341][ T8167]  alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[  304.802345][ T8167]  put_chars (drivers/char/virtio_console.c:1176)
[  304.802348][ T8167]  ? __send_to_port (drivers/char/virtio_console.c:654)
[  304.802351][ T8167]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380)
[  304.802354][ T8167]  ? validate_chain (kernel/locking/lockdep.c:3817 (discriminator 2) kernel/locking/lockdep.c:3837 (discriminator 2) kernel/locking/lockdep.c:3892 (discriminator 2))
[  304.802359][ T8167]  hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2))
[  304.802364][ T8167]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[  304.802366][ T8167]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[  304.802371][ T8167]  ? hvc_write (drivers/tty/hvc/hvc_console.c:501)
[  304.802375][ T8167]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  304.802377][ T8167]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  304.802382][ T8167]  console_emit_next_record (kernel/printk/printk.c:3183)
[  304.802386][ T8167]  ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20)
[  304.802388][ 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))
[  304.802392][ T8167]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  304.802394][ T8167]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  304.802398][ T8167]  console_flush_one_record (kernel/printk/printk.c:3268)
[  304.802403][ T8167]  ? console_emit_next_record (kernel/printk/printk.c:3150)
[  304.802405][ T8167]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[  304.802411][ T8167]  console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420)
[  304.802414][ T8167]  ? console_flush_one_record (kernel/printk/printk.c:3316)
[  304.802416][ T8167]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  304.802418][ 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)
[  304.802422][ T8167]  ? __down_trylock_console_sem (kernel/printk/printk.c:334)
[  304.802424][ T8167]  ? vprintk_emit (kernel/printk/printk.c:2478)
[  304.802427][ T8167]  vprintk_emit (kernel/printk/printk.c:2479)
[  304.802430][ T8167]  ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126))
[  304.802436][ T8167]  _printk (kernel/printk/printk.c:2504)
[  304.802439][ T8167]  ? snapshot_read.cold (user.c:?)
[  304.802442][ T8167]  ? lockdep_rtnl_is_held (./include/linux/lockdep.h:249 net/core/rtnetlink.c:182)
[  304.802446][ T8167]  ? netdev_upper_get_next_dev_rcu (net/core/dev.c:8213 (discriminator 5))
[  304.802449][ 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)
[  304.802452][ T8167]  ? __netdev_update_features (net/core/dev.c:11078 (discriminator 2))
[  304.802454][ T8167]  ? netdev_name (./include/linux/netdevice.h:5709 (discriminator 1))
[  304.802458][ T8167]  ? __netdev_printk (net/core/dev.c:13148 (discriminator 2))
[  304.802462][ T8167]  netdev_info (net/core/dev.c:13195 (discriminator 3))
[  304.802465][ T8167]  ? netdev_notice (net/core/dev.c:13194)
[  304.802467][ T8167]  ? ovs_netdev_link (net/openvswitch/vport-netdev.c:85) openvswitch
[  304.802476][ 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)
[  304.802479][ T8167]  __dev_set_promiscuity.cold (net/core/dev.c:9672 (discriminator 3))
[  304.802483][ T8167]  netif_set_promiscuity (net/core/dev.c:9699)
[  304.802487][ T8167]  dev_set_promiscuity (net/core/dev_api.c:288)
[  304.802489][ T8167]  ? dev_disable_lro (net/core/dev_api.c:267)
[  304.802491][ T8167] ovs_netdev_link (net/openvswitch/vport-netdev.c:106) openvswitch
[  304.802497][ T8167] ovs_vport_add (net/openvswitch/vport.c:209) openvswitch
[  304.802502][ T8167] new_vport (net/openvswitch/datapath.c:203) openvswitch
[  304.802507][ 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
[  304.802512][ T8167] ovs_vport_cmd_new (net/openvswitch/datapath.c:2389) openvswitch
[  304.802518][ T8167]  ? ovs_vport_cmd_fill_info.isra.0 (./include/net/netlink.h:1107 (discriminator 1)) openvswitch
[  304.802522][ T8167]  ? __nla_validate_parse (lib/nlattr.c:635)
[  304.802529][ T8167]  ? __nla_parse (lib/nlattr.c:732)
[  304.802531][ T8167]  ? genl_family_rcv_msg_attrs_parse.isra.0 (./include/net/netlink.h:789 (discriminator 2) net/netlink/genetlink.c:944 (discriminator 2))
[  304.802536][ T8167]  genl_family_rcv_msg_doit (net/netlink/genetlink.c:1114)
[  304.802540][ T8167]  ? genl_family_rcv_msg_attrs_parse.isra.0 (./include/net/netlink.h:785 (discriminator 2))
[  304.802549][ T8167]  ? security_capable (security/security.c:660 (discriminator 11))
[  304.802554][ T8167]  genl_family_rcv_msg (net/netlink/genetlink.c:1194)
[  304.802558][ T8167]  ? genl_family_rcv_msg_dumpit (net/netlink/genetlink.c:1079)
[  304.802560][ T8167]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380)
[  304.802562][ T8167]  ? ovs_vport_cmd_fill_info.isra.0 (./include/net/netlink.h:1107 (discriminator 1)) openvswitch
[  304.802567][ T8167]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[  304.802574][ T8167]  genl_rcv_msg (net/netlink/genetlink.c:1209)
[  304.802580][ T8167]  netlink_rcv_skb (net/netlink/af_netlink.c:2556)
[  304.802583][ T8167]  ? genl_family_rcv_msg (net/netlink/genetlink.c:1136 (discriminator 2))
[  304.802588][ T8167]  ? netlink_ack (./include/linux/skbuff.h:2718)
[  304.802597][ 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))
[  304.802600][ 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))
[  304.802604][ T8167]  genl_rcv (net/netlink/genetlink.c:1218)
[  304.802607][ T8167]  netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[  304.802611][ T8167]  ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[  304.802615][ T8167]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[  304.802619][ T8167]  netlink_sendmsg (net/netlink/af_netlink.c:1900)
[  304.802623][ T8167]  ? netlink_unicast (./include/net/net_namespace.h:422 (discriminator 7))
[  304.802625][ T8167]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[  304.802628][ T8167]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554)
[  304.802634][ T8167]  __sock_sendmsg (net/socket.c:800 (discriminator 4) net/socket.c:815 (discriminator 4))
[  304.802637][ T8167]  ? fdget (fs/file.c:1200 fs/file.c:1208)
[  304.802641][ T8167]  __sys_sendto (net/socket.c:2281)
[  304.802644][ T8167]  ? __ia32_sys_getpeername (net/socket.c:2235)
[  304.802656][ T8167]  ? exc_page_fault (arch/x86/mm/fault.c:1483 arch/x86/mm/fault.c:1536)
[  304.802666][ T8167]  __x64_sys_sendto (net/socket.c:2288 net/socket.c:2284 net/socket.c:2284)
[  304.802675][ T8167]  ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22))
[  304.802679][ T8167]  ? lockdep_hardirqs_on (kernel/locking/lockdep.c:4488)
[  304.802681][ T8167]  ? do_syscall_64 (arch/x86/entry/syscall_64.c:81 (discriminator 44))
[  304.802684][ T8167]  do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84)
[  304.802686][ T8167]  ? exc_page_fault (arch/x86/mm/fault.c:1489 (discriminator 3) arch/x86/mm/fault.c:1536 (discriminator 3))
[  304.802689][ T8167]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[  304.802692][ T8167] RIP: 0033:0x7f570d53a312
[  304.802696][ 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)
[  304.802698][ T8167] RSP: 002b:00007fffa2698008 EFLAGS: 00000246 ORIG_RAX: 000000000000002c
[  304.802701][ T8167] RAX: ffffffffffffffda RBX: 00007fffa2698138 RCX: 00007f570d53a312
[  304.802702][ T8167] RDX: 0000000000000034 RSI: 00007f56f2f5c2f0 RDI: 0000000000000023
[  304.802703][ T8167] RBP: 00007fffa2698030 R08: 00007fffa26981b0 R09: 000000000000000c
[  304.802704][ T8167] R10: 0000000000000000 R11: 0000000000000246 R12: 00007f570b39e190
[  304.802705][ T8167] R13: 00007fffa2698138 R14: 00007f570ce5901a R15: 00007fffa2698528
| [  313.583824][   T71] softirqs last disabled at (8368084): __neigh_ifdown.isra.0 (./include/linux/spinlock.h:353 net/core/neighbour.c:464)
| [  313.583827][   T71] Preemption disabled at:
| [  313.583827][   T71] vprintk_emit (kernel/printk/printk.c:2471)
| [  313.583836][   T71] Tainted: [W]=WARN
[  313.583837][   T71] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[  313.583839][   T71] Workqueue: netns cleanup_net
[  313.583843][   T71] Call Trace:
[  313.583845][   T71]  <TASK>
[  313.583847][   T71]  dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120)
[  313.583853][   T71]  ? vprintk_emit (kernel/printk/printk.c:2471)
[  313.583855][   T71]  __might_resched.cold (kernel/sched/core.c:9234)
[  313.583860][   T71]  ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3))
[  313.583864][   T71]  ? __kmalloc_noprof (./include/linux/sched/mm.h:317 mm/slub.c:4636 mm/slub.c:4974 mm/slub.c:5413 mm/slub.c:5439)
[  313.583869][   T71]  __kmalloc_noprof (./include/linux/sched/mm.h:322 (discriminator 2) mm/slub.c:4636 (discriminator 2) mm/slub.c:4974 (discriminator 2) mm/slub.c:5413 (discriminator 2) mm/slub.c:5439 (discriminator 2))
[  313.583871][   T71]  ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[  313.583878][   T71]  ? do_raw_spin_unlock (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:32 ./include/asm-generic/qspinlock.h:58 kernel/locking/spinlock_debug.c:101 kernel/locking/spinlock_debug.c:141)
[  313.583881][   T71]  alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[  313.583885][   T71]  put_chars (drivers/char/virtio_console.c:1176)
[  313.583887][   T71]  ? prb_final_commit (kernel/printk/printk_ringbuffer.c:1842)
[  313.583889][   T71]  ? __send_to_port (drivers/char/virtio_console.c:654)
[  313.583892][   T71]  ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4116 (discriminator 3) kernel/rcu/tree.c:4108 (discriminator 3))
[  313.583895][   T71]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380)
[  313.583899][   T71]  ? validate_chain (kernel/locking/lockdep.c:3817 (discriminator 2) kernel/locking/lockdep.c:3837 (discriminator 2) kernel/locking/lockdep.c:3892 (discriminator 2))
[  313.583903][   T71]  hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2))
[  313.583907][   T71]  ? mark_usage (kernel/locking/lockdep.c:4690)
[  313.583909][   T71]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[  313.583911][   T71]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[  313.583915][   T71]  ? hvc_write (drivers/tty/hvc/hvc_console.c:501)
[  313.583918][   T71]  ? console_emit_next_record (kernel/printk/printk.c:3095 (discriminator 2) kernel/printk/printk.c:3182 (discriminator 2))
[  313.583922][   T71]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  313.583924][   T71]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  313.583928][   T71]  console_emit_next_record (kernel/printk/printk.c:3183)
[  313.583933][   T71]  ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20)
[  313.583935][   T71]  ? 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))
[  313.583938][   T71]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  313.583940][   T71]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  313.583945][   T71]  console_flush_one_record (kernel/printk/printk.c:3268)
[  313.583949][   T71]  ? console_emit_next_record (kernel/printk/printk.c:3150)
[  313.583951][   T71]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[  313.583957][   T71]  console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420)
[  313.583960][   T71]  ? console_flush_one_record (kernel/printk/printk.c:3316)
[  313.583962][   T71]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  313.583964][   T71]  ? 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)
[  313.583968][   T71]  ? __down_trylock_console_sem (kernel/printk/printk.c:334)
[  313.583970][   T71]  ? vprintk_emit (kernel/printk/printk.c:2478)
[  313.583973][   T71]  vprintk_emit (kernel/printk/printk.c:2479)
[  313.583977][   T71]  ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126))
[  313.583980][   T71]  ? net_disable_timestamp (./include/linux/workqueue.h:761)
[  313.583982][   T71]  ? net_generic (./include/linux/rcupdate.h:882 ./include/net/netns/generic.h:48) vxlan
[  313.583991][   T71]  _printk (kernel/printk/printk.c:2504)
[  313.583995][   T71]  ? snapshot_read.cold (user.c:?)
[  313.584000][   T71]  ? netdev_name (./include/linux/netdevice.h:5709 (discriminator 1))
[  313.584004][   T71]  ? __netdev_printk (net/core/dev.c:13148 (discriminator 2))
[  313.584008][   T71]  netdev_info (net/core/dev.c:13195 (discriminator 3))
[  313.584012][   T71]  ? netdev_notice (net/core/dev.c:13194)
[  313.584013][   T71]  ? __netdev_upper_dev_unlink (net/core/dev.c:9094)
[  313.584018][   T71]  ? synchronize_rcu_expedited (kernel/rcu/tree_exp.h:985)
[  313.584023][   T71]  ? 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)
[  313.584026][   T71]  __dev_set_promiscuity.cold (net/core/dev.c:9672 (discriminator 3))
[  313.584030][   T71]  netif_set_promiscuity (net/core/dev.c:9699)
[  313.584033][   T71]  dev_set_promiscuity (net/core/dev_api.c:288)
[  313.584035][   T71]  ? rtnl_is_locked (net/core/rtnetlink.c:169)
[  313.584039][   T71] ovs_netdev_detach_dev (net/openvswitch/vport-netdev.c:174) openvswitch
[  313.584045][   T71] dp_device_event (net/openvswitch/dp_notify.c:74) openvswitch
[  313.584050][   T71]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  313.584053][   T71]  notifier_call_chain (kernel/notifier.c:85)
[  313.584059][   T71]  unregister_netdevice_many_notify (net/core/dev.c:2313 net/core/dev.c:2327 net/core/dev.c:12518)
[  313.584064][   T71]  ? unregister_netdevice_queued (./include/linux/list.h:419 (discriminator 3))
[  313.584072][   T71]  default_device_exit_batch (net/core/dev.c:12589 net/core/dev.c:13288)
[  313.584076][   T71]  ? unregister_netdevice_queue (./include/linux/list.h:173)
[  313.584079][   T71]  ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3))
[  313.584082][   T71]  ? fou_exit_net (net/ipv4/fou_core.c:1228)
[  313.584087][   T71]  ops_undo_list (net/core/net_namespace.c:206 net/core/net_namespace.c:253)
[  313.584091][   T71]  ? lockdep_hardirqs_on (kernel/locking/lockdep.c:4488)
[  313.584095][   T71]  ? netns_install (./include/linux/ns_common.h:26)
[  313.584097][   T71]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554)
[  313.584100][   T71]  ? idr_destroy (lib/radix-tree.c:310 lib/radix-tree.c:674 lib/radix-tree.c:1563)
[  313.584106][   T71]  cleanup_net (net/core/net_namespace.c:706)
[  313.584109][   T71]  ? net_passive_dec (./include/linux/llist.h:241)
[  313.584113][   T71]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  313.584115][   T71]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  313.584119][   T71]  process_one_work (kernel/workqueue.c:3387)
[  313.584126][   T71]  ? __queue_delayed_work (kernel/workqueue.c:2622)
[  313.584129][   T71]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2))
[  313.584137][   T71]  worker_thread (kernel/workqueue.c:3470 kernel/workqueue.c:3551)
[  313.584142][   T71]  ? rescuer_thread (./include/linux/list.h:419 (discriminator 3))
[  313.584144][   T71]  ? __kthread_parkme (./include/linux/instrumented.h:82 ./include/asm-generic/bitops/instrumented-non-atomic.h:141 kernel/kthread.c:272)
[  313.584147][   T71]  ? rescuer_thread (./include/linux/list.h:419 (discriminator 3))
[  313.584150][   T71]  ? rescuer_thread (./include/linux/list.h:419 (discriminator 3))
[  313.584152][   T71]  kthread (kernel/kthread.c:436)
[  313.584154][   T71]  ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22))
[  313.584158][   T71]  ? kthread_affine_preferred (kernel/kthread.c:857)
[  313.584161][   T71]  ret_from_fork (arch/x86/kernel/process.c:158)
[  313.584166][   T71]  ? arch_exit_to_user_mode_prepare.isra.0 (arch/x86/entry/vdso/vma.c:80 (discriminator 1))
[  313.584170][   T71]  ? __switch_to (arch/x86/kernel/process_64.c:403 arch/x86/kernel/process_64.c:663)
[  313.584174][   T71]  ? kthread_affine_preferred (kernel/kthread.c:857)
[  313.584177][   T71]  ret_from_fork_asm (arch/x86/entry/entry_64.S:245)
| [  314.644357][ T8368] softirqs last disabled at (424204): inet6_fill_ifla6_attrs (net/ipv6/addrconf.c:5883)
| [  314.644359][ T8368] Preemption disabled at:
| [  314.644360][ T8368] vprintk_emit (kernel/printk/printk.c:2471)
| [  314.644369][ T8368] Tainted: [W]=WARN
[  314.644370][ T8368] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[  314.644371][ T8368] Call Trace:
[  314.644373][ T8368]  <TASK>
[  314.644375][ T8368]  dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120)
[  314.644381][ T8368]  ? vprintk_emit (kernel/printk/printk.c:2471)
[  314.644383][ T8368]  __might_resched.cold (kernel/sched/core.c:9234)
[  314.644387][ T8368]  ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3))
[  314.644392][ T8368]  ? __kmalloc_noprof (./include/linux/sched/mm.h:317 mm/slub.c:4636 mm/slub.c:4974 mm/slub.c:5413 mm/slub.c:5439)
[  314.644396][ T8368]  __kmalloc_noprof (./include/linux/sched/mm.h:322 (discriminator 2) mm/slub.c:4636 (discriminator 2) mm/slub.c:4974 (discriminator 2) mm/slub.c:5413 (discriminator 2) mm/slub.c:5439 (discriminator 2))
[  314.644399][ T8368]  ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[  314.644405][ T8368]  ? do_raw_spin_unlock (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:32 ./include/asm-generic/qspinlock.h:58 kernel/locking/spinlock_debug.c:101 kernel/locking/spinlock_debug.c:141)
[  314.644409][ T8368]  alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[  314.644413][ T8368]  put_chars (drivers/char/virtio_console.c:1176)
[  314.644415][ T8368]  ? __send_to_port (drivers/char/virtio_console.c:654)
[  314.644417][ T8368]  ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4116 (discriminator 3) kernel/rcu/tree.c:4108 (discriminator 3))
[  314.644421][ T8368]  ? validate_chain (kernel/locking/lockdep.c:3817 (discriminator 2) kernel/locking/lockdep.c:3837 (discriminator 2) kernel/locking/lockdep.c:3892 (discriminator 2))
[  314.644427][ T8368]  hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2))
[  314.644435][ T8368]  ? hvc_write (drivers/tty/hvc/hvc_console.c:501)
[  314.644438][ T8368]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  314.644440][ T8368]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  314.644444][ T8368]  console_emit_next_record (kernel/printk/printk.c:3183)
[  314.644449][ T8368]  ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20)
[  314.644451][ T8368]  ? 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))
[  314.644455][ T8368]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  314.644456][ T8368]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  314.644461][ T8368]  console_flush_one_record (kernel/printk/printk.c:3268)
[  314.644466][ T8368]  ? console_emit_next_record (kernel/printk/printk.c:3150)
[  314.644468][ T8368]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[  314.644473][ T8368]  console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420)
[  314.644477][ T8368]  ? console_flush_one_record (kernel/printk/printk.c:3316)
[  314.644479][ T8368]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  314.644480][ T8368]  ? 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)
[  314.644484][ T8368]  ? __down_trylock_console_sem (kernel/printk/printk.c:334)
[  314.644486][ T8368]  ? vprintk_emit (kernel/printk/printk.c:2478)
[  314.644489][ T8368]  vprintk_emit (kernel/printk/printk.c:2479)
[  314.644492][ T8368]  ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126))
[  314.644495][ T8368]  ? net_disable_timestamp (./include/linux/workqueue.h:761)
[  314.644498][ T8368]  ? net_generic (./include/linux/rcupdate.h:882 ./include/net/netns/generic.h:48) vxlan
[  314.644507][ T8368]  _printk (kernel/printk/printk.c:2504)
[  314.644510][ T8368]  ? snapshot_read.cold (user.c:?)
[  314.644515][ T8368]  ? netdev_name (./include/linux/netdevice.h:5709 (discriminator 1))
[  314.644519][ T8368]  ? __netdev_printk (net/core/dev.c:13148 (discriminator 2))
[  314.644523][ T8368]  netdev_info (net/core/dev.c:13195 (discriminator 3))
[  314.644526][ T8368]  ? netdev_notice (net/core/dev.c:13194)
[  314.644528][ T8368]  ? __netdev_upper_dev_unlink (net/core/dev.c:9094)
[  314.644533][ T8368]  ? synchronize_rcu_expedited (kernel/rcu/tree_exp.h:985)
[  314.644538][ T8368]  ? 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)
[  314.644541][ T8368]  __dev_set_promiscuity.cold (net/core/dev.c:9672 (discriminator 3))
[  314.644545][ T8368]  netif_set_promiscuity (net/core/dev.c:9699)
[  314.644549][ T8368]  dev_set_promiscuity (net/core/dev_api.c:288)
[  314.644551][ T8368]  ? rtnl_is_locked (net/core/rtnetlink.c:169)
[  314.644555][ T8368] ovs_netdev_detach_dev (net/openvswitch/vport-netdev.c:174) openvswitch
[  314.644559][ T8368]  ? netdev_destroy (net/openvswitch/vport-netdev.c:189) openvswitch
[  314.644563][ T8368] netdev_destroy (net/openvswitch/vport-netdev.c:194) openvswitch
[  314.644568][ T8368] ovs_vport_cmd_del (net/openvswitch/datapath.c:2505) openvswitch
[  314.644580][ T8368]  genl_family_rcv_msg_doit (net/netlink/genetlink.c:1114)
[  314.644586][ T8368]  ? genl_family_rcv_msg_attrs_parse.isra.0 (./include/net/netlink.h:785 (discriminator 2))
[  314.644599][ T8368]  ? security_capable (security/security.c:660 (discriminator 11))
[  314.644604][ T8368]  genl_family_rcv_msg (net/netlink/genetlink.c:1194)
[  314.644608][ T8368]  ? genl_family_rcv_msg_dumpit (net/netlink/genetlink.c:1079)
[  314.644611][ T8368]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380)
[  314.644614][ T8368]  ? ovs_dp_detach_port (./include/linux/list.h:1047 (discriminator 2)) openvswitch
[  314.644619][ T8368]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[  314.644625][ T8368]  genl_rcv_msg (net/netlink/genetlink.c:1209)
[  314.644628][ T8368]  netlink_rcv_skb (net/netlink/af_netlink.c:2556)
[  314.644631][ T8368]  ? genl_family_rcv_msg (net/netlink/genetlink.c:1136 (discriminator 2))
[  314.644635][ T8368]  ? netlink_ack (./include/linux/skbuff.h:2718)
[  314.644642][ T8368]  ? 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))
[  314.644645][ T8368]  ? 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))
[  314.644649][ T8368]  genl_rcv (net/netlink/genetlink.c:1218)
[  314.644651][ T8368]  netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[  314.644656][ T8368]  ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[  314.644659][ T8368]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[  314.644667][ T8368]  netlink_sendmsg (net/netlink/af_netlink.c:1900)
[  314.644672][ T8368]  ? netlink_unicast (./include/net/net_namespace.h:422 (discriminator 7))
[  314.644674][ T8368]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[  314.644677][ T8368]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554)
[  314.644683][ T8368]  __sock_sendmsg (net/socket.c:800 (discriminator 4) net/socket.c:815 (discriminator 4))
[  314.644686][ T8368]  ? fdget (fs/file.c:1200 fs/file.c:1208)
[  314.644690][ T8368]  __sys_sendto (net/socket.c:2281)
[  314.644694][ T8368]  ? __ia32_sys_getpeername (net/socket.c:2235)
[  314.644705][ T8368]  ? exc_page_fault (arch/x86/mm/fault.c:1483 arch/x86/mm/fault.c:1536)
[  314.644712][ T8368]  __x64_sys_sendto (net/socket.c:2288 net/socket.c:2284 net/socket.c:2284)
[  314.644714][ T8368]  ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22))
[  314.644718][ T8368]  ? lockdep_hardirqs_on (kernel/locking/lockdep.c:4488)
[  314.644720][ T8368]  ? do_syscall_64 (arch/x86/entry/syscall_64.c:81 (discriminator 44))
[  314.644722][ T8368]  do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84)
[  314.644724][ T8368]  ? exc_page_fault (arch/x86/mm/fault.c:1489 (discriminator 3) arch/x86/mm/fault.c:1536 (discriminator 3))
[  314.644727][ T8368]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[  314.644729][ T8368] RIP: 0033:0x7f265ab9e312
[  314.644733][ T8368] 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)
[  314.644735][ T8368] RSP: 002b:00007ffd35875e88 EFLAGS: 00000246 ORIG_RAX: 000000000000002c
[  314.644738][ T8368] RAX: ffffffffffffffda RBX: 00007ffd35875fb8 RCX: 00007f265ab9e312
[  314.644739][ T8368] RDX: 0000000000000024 RSI: 00007f265275edc0 RDI: 0000000000000023
[  314.644747][ T8368] RBP: 00007ffd35875eb0 R08: 00007ffd35876030 R09: 000000000000000c
[  314.644748][ T8368] R10: 0000000000000000 R11: 0000000000000246 R12: 00007f2658a01fd0
[  314.644749][ T8368] R13: 00007ffd35875fb8 R14: 00007f265a4bd01a R15: 00007ffd358763a8
| [  316.255372][ T8394] softirqs last disabled at (388598): __alloc_skb (./include/linux/bottom_half.h:20 (discriminator 2) net/core/skbuff.c:697 (discriminator 2))
| [  316.255375][ T8394] Preemption disabled at:
| [  316.255376][ T8394] vprintk_emit (kernel/printk/printk.c:2471)
| [  316.255384][ T8394] Tainted: [W]=WARN
[  316.255385][ T8394] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[  316.255387][ T8394] Call Trace:
[  316.255389][ T8394]  <TASK>
[  316.255390][ T8394]  dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120)
[  316.255397][ T8394]  ? vprintk_emit (kernel/printk/printk.c:2471)
[  316.255399][ T8394]  __might_resched.cold (kernel/sched/core.c:9234)
[  316.255403][ T8394]  ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3))
[  316.255408][ T8394]  ? __kmalloc_noprof (./include/linux/sched/mm.h:317 mm/slub.c:4636 mm/slub.c:4974 mm/slub.c:5413 mm/slub.c:5439)
[  316.255412][ T8394]  __kmalloc_noprof (./include/linux/sched/mm.h:322 (discriminator 2) mm/slub.c:4636 (discriminator 2) mm/slub.c:4974 (discriminator 2) mm/slub.c:5413 (discriminator 2) mm/slub.c:5439 (discriminator 2))
[  316.255414][ T8394]  ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[  316.255421][ T8394]  ? do_raw_spin_unlock (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:32 ./include/asm-generic/qspinlock.h:58 kernel/locking/spinlock_debug.c:101 kernel/locking/spinlock_debug.c:141)
[  316.255424][ T8394]  alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[  316.255428][ T8394]  put_chars (drivers/char/virtio_console.c:1176)
[  316.255431][ T8394]  ? __send_to_port (drivers/char/virtio_console.c:654)
[  316.255432][ T8394]  ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4116 (discriminator 3) kernel/rcu/tree.c:4108 (discriminator 3))
[  316.255436][ T8394]  ? validate_chain (kernel/locking/lockdep.c:3817 (discriminator 2) kernel/locking/lockdep.c:3837 (discriminator 2) kernel/locking/lockdep.c:3892 (discriminator 2))
[  316.255442][ T8394]  hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2))
[  316.255450][ T8394]  ? hvc_write (drivers/tty/hvc/hvc_console.c:501)
[  316.255453][ T8394]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  316.255455][ T8394]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  316.255460][ T8394]  console_emit_next_record (kernel/printk/printk.c:3183)
[  316.255464][ T8394]  ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20)
[  316.255466][ T8394]  ? 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))
[  316.255470][ T8394]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  316.255471][ T8394]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  316.255476][ T8394]  console_flush_one_record (kernel/printk/printk.c:3268)
[  316.255480][ T8394]  ? console_emit_next_record (kernel/printk/printk.c:3150)
[  316.255482][ T8394]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[  316.255488][ T8394]  console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420)
[  316.255491][ T8394]  ? console_flush_one_record (kernel/printk/printk.c:3316)
[  316.255493][ T8394]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  316.255495][ T8394]  ? 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)
[  316.255499][ T8394]  ? __down_trylock_console_sem (kernel/printk/printk.c:334)
[  316.255501][ T8394]  ? vprintk_emit (kernel/printk/printk.c:2478)
[  316.255504][ T8394]  vprintk_emit (kernel/printk/printk.c:2479)
[  316.255508][ T8394]  ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126))
[  316.255510][ T8394]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380)
[  316.255512][ T8394]  ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4116 (discriminator 3) kernel/rcu/tree.c:4108 (discriminator 3))
[  316.255517][ T8394]  _printk (kernel/printk/printk.c:2504)
[  316.255521][ T8394]  ? snapshot_read.cold (user.c:?)
[  316.255525][ T8394]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  316.255526][ T8394]  ? netdev_name (./include/linux/netdevice.h:5709 (discriminator 1))
[  316.255530][ T8394]  ? __netdev_printk (net/core/dev.c:13148 (discriminator 2))
[  316.255534][ T8394]  netdev_info (net/core/dev.c:13195 (discriminator 3))
[  316.255537][ T8394]  ? netdev_notice (net/core/dev.c:13194)
[  316.255539][ T8394]  ? internal_dev_destroy (net/openvswitch/vport-internal_dev.c:178) openvswitch
[  316.255545][ T8394]  ? ww_mutex_lock (kernel/locking/mutex.c:934)
[  316.255552][ T8394]  ? 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)
[  316.255554][ T8394]  __dev_set_promiscuity.cold (net/core/dev.c:9672 (discriminator 3))
[  316.255558][ T8394]  netif_set_promiscuity (net/core/dev.c:9699)
[  316.255563][ T8394]  dev_set_promiscuity (net/core/dev_api.c:288)
[  316.255566][ T8394] internal_dev_destroy (net/openvswitch/vport-internal_dev.c:179) openvswitch
[  316.255572][ T8394] __dp_destroy (net/openvswitch/datapath.c:1969 (discriminator 1)) openvswitch
[  316.255583][ T8394] ovs_dp_cmd_del (net/openvswitch/datapath.c:2003) openvswitch
[  316.255591][ T8394]  genl_family_rcv_msg_doit (net/netlink/genetlink.c:1114)
[  316.255595][ T8394]  ? genl_family_rcv_msg_attrs_parse.isra.0 (./include/net/netlink.h:785 (discriminator 2))
[  316.255604][ T8394]  ? security_capable (security/security.c:660 (discriminator 11))
[  316.255608][ T8394]  genl_family_rcv_msg (net/netlink/genetlink.c:1194)
[  316.255612][ T8394]  ? genl_family_rcv_msg_dumpit (net/netlink/genetlink.c:1079)
[  316.255615][ T8394]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380)
[  316.255617][ T8394]  ? __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
[  316.255622][ T8394]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[  316.255628][ T8394]  genl_rcv_msg (net/netlink/genetlink.c:1209)
[  316.255631][ T8394]  netlink_rcv_skb (net/netlink/af_netlink.c:2556)
[  316.255633][ T8394]  ? genl_family_rcv_msg (net/netlink/genetlink.c:1136 (discriminator 2))
[  316.255637][ T8394]  ? netlink_ack (./include/linux/skbuff.h:2718)
[  316.255645][ T8394]  ? 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))
[  316.255647][ T8394]  ? 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))
[  316.255651][ T8394]  genl_rcv (net/netlink/genetlink.c:1218)
[  316.255654][ T8394]  netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[  316.255658][ T8394]  ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[  316.255665][ T8394]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[  316.255669][ T8394]  netlink_sendmsg (net/netlink/af_netlink.c:1900)
[  316.255674][ T8394]  ? netlink_unicast (./include/net/net_namespace.h:422 (discriminator 7))
[  316.255676][ T8394]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[  316.255679][ T8394]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554)
[  316.255684][ T8394]  __sock_sendmsg (net/socket.c:800 (discriminator 4) net/socket.c:815 (discriminator 4))
[  316.255687][ T8394]  ? fdget (fs/file.c:1200 fs/file.c:1208)
[  316.255691][ T8394]  __sys_sendto (net/socket.c:2281)
[  316.255694][ T8394]  ? __ia32_sys_getpeername (net/socket.c:2235)
[  316.255699][ T8394]  ? do_futex (kernel/futex/syscalls.c:133)
[  316.255703][ T8394]  ? __ia32_sys_get_robust_list (kernel/futex/syscalls.c:94)
[  316.255709][ T8394]  ? xfd_validate_state (arch/x86/kernel/fpu/xstate.c:1497 (discriminator 1) arch/x86/kernel/fpu/xstate.c:1543 (discriminator 1))
[  316.255717][ T8394]  __x64_sys_sendto (net/socket.c:2288 net/socket.c:2284 net/socket.c:2284)
[  316.255719][ T8394]  ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22))
[  316.255723][ T8394]  ? lockdep_hardirqs_on (kernel/locking/lockdep.c:4488)
[  316.255725][ T8394]  ? do_syscall_64 (arch/x86/entry/syscall_64.c:81 (discriminator 44))
[  316.255728][ T8394]  do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84)
[  316.255730][ T8394]  ? exc_page_fault (arch/x86/mm/fault.c:1489 (discriminator 3) arch/x86/mm/fault.c:1536 (discriminator 3))
[  316.255733][ T8394]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[  316.255735][ T8394] RIP: 0033:0x7f67b78e5312
[  316.255739][ T8394] 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)
[  316.255741][ T8394] RSP: 002b:00007ffdc9c88888 EFLAGS: 00000246 ORIG_RAX: 000000000000002c
[  316.255744][ T8394] RAX: ffffffffffffffda RBX: 00007ffdc9c889b8 RCX: 00007f67b78e5312
[  316.255746][ T8394] RDX: 0000000000000024 RSI: 00007f67b44597d0 RDI: 0000000000000020
[  316.255747][ T8394] RBP: 00007ffdc9c888b0 R08: 00007ffdc9c88a30 R09: 000000000000000c
[  316.255748][ T8394] R10: 0000000000000000 R11: 0000000000000246 R12: 00007f67b5741e10
[  316.255749][ T8394] R13: 00007ffdc9c889b8 R14: 00007f67b720401a R15: 00007ffdc9c88da8
| [  319.670396][ T8501] softirqs last disabled at (393506): __alloc_skb (./include/linux/bottom_half.h:20 (discriminator 2) net/core/skbuff.c:697 (discriminator 2))
| [  319.670398][ T8501] Preemption disabled at:
| [  319.670399][ T8501] vprintk_emit (kernel/printk/printk.c:2471)
| [  319.670408][ T8501] Tainted: [W]=WARN
[  319.670409][ T8501] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[  319.670411][ T8501] Call Trace:
[  319.670412][ T8501]  <TASK>
[  319.670414][ T8501]  dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120)
[  319.670420][ T8501]  ? vprintk_emit (kernel/printk/printk.c:2471)
[  319.670422][ T8501]  __might_resched.cold (kernel/sched/core.c:9234)
[  319.670427][ T8501]  ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3))
[  319.670431][ T8501]  ? __kmalloc_noprof (./include/linux/sched/mm.h:317 mm/slub.c:4636 mm/slub.c:4974 mm/slub.c:5413 mm/slub.c:5439)
[  319.670436][ T8501]  __kmalloc_noprof (./include/linux/sched/mm.h:322 (discriminator 2) mm/slub.c:4636 (discriminator 2) mm/slub.c:4974 (discriminator 2) mm/slub.c:5413 (discriminator 2) mm/slub.c:5439 (discriminator 2))
[  319.670438][ T8501]  ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[  319.670445][ T8501]  ? do_raw_spin_unlock (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:32 ./include/asm-generic/qspinlock.h:58 kernel/locking/spinlock_debug.c:101 kernel/locking/spinlock_debug.c:141)
[  319.670448][ T8501]  alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[  319.670452][ T8501]  put_chars (drivers/char/virtio_console.c:1176)
[  319.670454][ T8501]  ? __send_to_port (drivers/char/virtio_console.c:654)
[  319.670457][ T8501]  ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4116 (discriminator 3) kernel/rcu/tree.c:4108 (discriminator 3))
[  319.670460][ T8501]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380)
[  319.670463][ T8501]  ? validate_chain (kernel/locking/lockdep.c:3817 (discriminator 2) kernel/locking/lockdep.c:3837 (discriminator 2) kernel/locking/lockdep.c:3892 (discriminator 2))
[  319.670468][ T8501]  hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2))
[  319.670472][ T8501]  ? mark_usage (kernel/locking/lockdep.c:4690)
[  319.670474][ T8501]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[  319.670476][ T8501]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[  319.670480][ T8501]  ? hvc_write (drivers/tty/hvc/hvc_console.c:501)
[  319.670482][ T8501]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2))
[  319.670486][ T8501]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  319.670491][ T8501]  console_emit_next_record (kernel/printk/printk.c:3183)
[  319.670495][ T8501]  ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20)
[  319.670497][ T8501]  ? 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))
[  319.670500][ T8501]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  319.670502][ T8501]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  319.670506][ T8501]  console_flush_one_record (kernel/printk/printk.c:3268)
[  319.670511][ T8501]  ? console_emit_next_record (kernel/printk/printk.c:3150)
[  319.670513][ T8501]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[  319.670518][ T8501]  console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420)
[  319.670521][ T8501]  ? console_flush_one_record (kernel/printk/printk.c:3316)
[  319.670523][ T8501]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  319.670525][ T8501]  ? 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)
[  319.670529][ T8501]  ? __down_trylock_console_sem (kernel/printk/printk.c:334)
[  319.670531][ T8501]  ? vprintk_emit (kernel/printk/printk.c:2478)
[  319.670534][ T8501]  vprintk_emit (kernel/printk/printk.c:2479)
[  319.670537][ T8501]  ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126))
[  319.670539][ T8501]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554)
[  319.670541][ T8501]  ? genl_family_rcv_msg (net/netlink/genetlink.c:1194)
[  319.670546][ T8501]  _printk (kernel/printk/printk.c:2504)
[  319.670550][ T8501]  ? snapshot_read.cold (user.c:?)
[  319.670552][ T8501]  ? ___ratelimit (lib/ratelimit.c:97 (discriminator 3))
[  319.670558][ T8501]  ? idr_get_free (??:?)
[  319.670562][ T8501]  validate_nla.cold (lib/nlattr.c:414 (discriminator 4))
[  319.670572][ T8501]  ? nla_get_range_signed (lib/nlattr.c:270)
[  319.670581][ T8501]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  319.670584][ T8501]  ? trace_kmalloc (./include/trace/events/kmem.h:57 (discriminator 22))
[  319.670591][ T8501]  __nla_validate_parse (lib/nlattr.c:635)
[  319.670597][ T8501]  __nla_parse (lib/nlattr.c:732)
[  319.670600][ T8501]  genl_family_rcv_msg_attrs_parse.isra.0 (./include/net/netlink.h:789 (discriminator 2) net/netlink/genetlink.c:944 (discriminator 2))
[  319.670605][ T8501]  genl_family_rcv_msg_doit (net/netlink/genetlink.c:1092)
[  319.670609][ T8501]  ? genl_family_rcv_msg_attrs_parse.isra.0 (./include/net/netlink.h:785 (discriminator 2))
[  319.670617][ T8501]  ? security_capable (security/security.c:660 (discriminator 11))
[  319.670622][ T8501]  genl_family_rcv_msg (net/netlink/genetlink.c:1194)
[  319.670626][ T8501]  ? genl_family_rcv_msg_dumpit (net/netlink/genetlink.c:1079)
[  319.670629][ T8501]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380)
[  319.670632][ T8501]  ? ovs_dp_cmd_get (./include/net/net_namespace.h:422 (discriminator 7)) openvswitch
[  319.670640][ T8501]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[  319.670645][ T8501]  genl_rcv_msg (net/netlink/genetlink.c:1209)
[  319.670649][ T8501]  netlink_rcv_skb (net/netlink/af_netlink.c:2556)
[  319.670651][ T8501]  ? genl_family_rcv_msg (net/netlink/genetlink.c:1136 (discriminator 2))
[  319.670654][ T8501]  ? netlink_ack (./include/linux/skbuff.h:2718)
[  319.670665][ T8501]  ? 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))
[  319.670667][ T8501]  ? 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))
[  319.670671][ T8501]  genl_rcv (net/netlink/genetlink.c:1218)
[  319.670673][ T8501]  netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[  319.670678][ T8501]  ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[  319.670681][ T8501]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[  319.670685][ T8501]  netlink_sendmsg (net/netlink/af_netlink.c:1900)
[  319.670689][ T8501]  ? netlink_unicast (./include/net/net_namespace.h:422 (discriminator 7))
[  319.670691][ T8501]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[  319.670694][ T8501]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554)
[  319.670699][ T8501]  __sock_sendmsg (net/socket.c:800 (discriminator 4) net/socket.c:815 (discriminator 4))
[  319.670702][ T8501]  ? fdget (fs/file.c:1200 fs/file.c:1208)
[  319.670706][ T8501]  __sys_sendto (net/socket.c:2281)
[  319.670709][ T8501]  ? __ia32_sys_getpeername (net/socket.c:2235)
[  319.670720][ T8501]  ? fput_close_sync (fs/file_table.c:617)
[  319.670724][ T8501]  ? alloc_file_clone (fs/file_table.c:479)
[  319.670728][ T8501]  __x64_sys_sendto (net/socket.c:2288 net/socket.c:2284 net/socket.c:2284)
[  319.670730][ T8501]  ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22))
[  319.670734][ T8501]  ? lockdep_hardirqs_on (kernel/locking/lockdep.c:4488)
[  319.670737][ T8501]  ? do_syscall_64 (arch/x86/entry/syscall_64.c:81 (discriminator 44))
[  319.670739][ T8501]  do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84)
[  319.670741][ T8501]  ? exc_page_fault (arch/x86/mm/fault.c:1489 (discriminator 3) arch/x86/mm/fault.c:1536 (discriminator 3))
[  319.670744][ T8501]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[  319.670746][ T8501] RIP: 0033:0x7f9650871312
[  319.670750][ T8501] 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)
[  319.670753][ T8501] RSP: 002b:00007fff9beedfb8 EFLAGS: 00000246 ORIG_RAX: 000000000000002c
[  319.670755][ T8501] RAX: ffffffffffffffda RBX: 00007fff9beee0e8 RCX: 00007f9650871312
[  319.670757][ T8501] RDX: 0000000000000044 RSI: 00007f964c432650 RDI: 0000000000000020
[  319.670758][ T8501] RBP: 00007fff9beedfe0 R08: 00007fff9beee160 R09: 000000000000000c
[  319.670759][ T8501] R10: 0000000000000000 R11: 0000000000000246 R12: 00007f964e6ce0b0
[  319.670760][ T8501] R13: 00007fff9beee0e8 R14: 00007f965019001a R15: 00007fff9beee4d8
| [  320.879179][ T8533] softirqs last disabled at (381956): inet6_fill_ifla6_attrs (net/ipv6/addrconf.c:5883)
| [  320.879181][ T8533] Preemption disabled at:
| [  320.879182][ T8533] vprintk_emit (kernel/printk/printk.c:2471)
| [  320.879191][ T8533] Tainted: [W]=WARN
[  320.879192][ T8533] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[  320.879194][ T8533] Call Trace:
[  320.879195][ T8533]  <TASK>
[  320.879197][ T8533]  dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120)
[  320.879204][ T8533]  ? vprintk_emit (kernel/printk/printk.c:2471)
[  320.879205][ T8533]  __might_resched.cold (kernel/sched/core.c:9234)
[  320.879210][ T8533]  ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3))
[  320.879215][ T8533]  ? __kmalloc_noprof (./include/linux/sched/mm.h:317 mm/slub.c:4636 mm/slub.c:4974 mm/slub.c:5413 mm/slub.c:5439)
[  320.879219][ T8533]  __kmalloc_noprof (./include/linux/sched/mm.h:322 (discriminator 2) mm/slub.c:4636 (discriminator 2) mm/slub.c:4974 (discriminator 2) mm/slub.c:5413 (discriminator 2) mm/slub.c:5439 (discriminator 2))
[  320.879221][ T8533]  ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[  320.879228][ T8533]  ? do_raw_spin_unlock (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:32 ./include/asm-generic/qspinlock.h:58 kernel/locking/spinlock_debug.c:101 kernel/locking/spinlock_debug.c:141)
[  320.879231][ T8533]  alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[  320.879235][ T8533]  put_chars (drivers/char/virtio_console.c:1176)
[  320.879238][ T8533]  ? __send_to_port (drivers/char/virtio_console.c:654)
[  320.879241][ T8533]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380)
[  320.879245][ T8533]  ? validate_chain (kernel/locking/lockdep.c:3817 (discriminator 2) kernel/locking/lockdep.c:3837 (discriminator 2) kernel/locking/lockdep.c:3892 (discriminator 2))
[  320.879249][ T8533]  hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2))
[  320.879254][ T8533]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[  320.879255][ T8533]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[  320.879261][ T8533]  ? hvc_write (drivers/tty/hvc/hvc_console.c:501)
[  320.879264][ T8533]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  320.879267][ T8533]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  320.879271][ T8533]  console_emit_next_record (kernel/printk/printk.c:3183)
[  320.879276][ T8533]  ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20)
[  320.879277][ T8533]  ? 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))
[  320.879281][ T8533]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  320.879283][ T8533]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  320.879287][ T8533]  console_flush_one_record (kernel/printk/printk.c:3268)
[  320.879292][ T8533]  ? console_emit_next_record (kernel/printk/printk.c:3150)
[  320.879294][ T8533]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[  320.879299][ T8533]  console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420)
[  320.879303][ T8533]  ? console_flush_one_record (kernel/printk/printk.c:3316)
[  320.879305][ T8533]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  320.879306][ T8533]  ? 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)
[  320.879310][ T8533]  ? __down_trylock_console_sem (kernel/printk/printk.c:334)
[  320.879312][ T8533]  ? vprintk_emit (kernel/printk/printk.c:2478)
[  320.879315][ T8533]  vprintk_emit (kernel/printk/printk.c:2479)
[  320.879318][ T8533]  ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126))
[  320.879324][ T8533]  _printk (kernel/printk/printk.c:2504)
[  320.879328][ T8533]  ? snapshot_read.cold (user.c:?)
[  320.879331][ T8533]  ? lockdep_rtnl_is_held (./include/linux/lockdep.h:249 net/core/rtnetlink.c:182)
[  320.879334][ T8533]  ? netdev_upper_get_next_dev_rcu (net/core/dev.c:8213 (discriminator 5))
[  320.879339][ T8533]  ? __netdev_update_features (net/core/dev.c:11078 (discriminator 2))
[  320.879340][ T8533]  ? netdev_name (./include/linux/netdevice.h:5709 (discriminator 1))
[  320.879344][ T8533]  ? __netdev_printk (net/core/dev.c:13148 (discriminator 2))
[  320.879348][ T8533]  netdev_info (net/core/dev.c:13195 (discriminator 3))
[  320.879351][ T8533]  ? netdev_notice (net/core/dev.c:13194)
[  320.879353][ T8533]  ? ovs_netdev_link (net/openvswitch/vport-netdev.c:85) openvswitch
[  320.879363][ T8533]  ? 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)
[  320.879366][ T8533]  __dev_set_promiscuity.cold (net/core/dev.c:9672 (discriminator 3))
[  320.879369][ T8533]  netif_set_promiscuity (net/core/dev.c:9699)
[  320.879373][ T8533]  dev_set_promiscuity (net/core/dev_api.c:288)
[  320.879376][ T8533]  ? dev_disable_lro (net/core/dev_api.c:267)
[  320.879378][ T8533] ovs_netdev_link (net/openvswitch/vport-netdev.c:106) openvswitch
[  320.879384][ T8533] ovs_vport_add (net/openvswitch/vport.c:209) openvswitch
[  320.879389][ T8533] new_vport (net/openvswitch/datapath.c:203) openvswitch
[  320.879393][ T8533]  ? ovs_lookup_vport (./include/linux/lockdep.h:249 net/openvswitch/datapath.c:120 net/openvswitch/datapath.c:117 net/openvswitch/datapath.c:190) openvswitch
[  320.879398][ T8533] ovs_vport_cmd_new (net/openvswitch/datapath.c:2389) openvswitch
[  320.879404][ T8533]  ? ovs_vport_cmd_fill_info.isra.0 (./include/net/netlink.h:1107 (discriminator 1)) openvswitch
[  320.879408][ T8533]  ? __nla_validate_parse (lib/nlattr.c:635)
[  320.879415][ T8533]  ? __nla_parse (lib/nlattr.c:732)
[  320.879417][ T8533]  ? genl_family_rcv_msg_attrs_parse.isra.0 (./include/net/netlink.h:789 (discriminator 2) net/netlink/genetlink.c:944 (discriminator 2))
[  320.879423][ T8533]  genl_family_rcv_msg_doit (net/netlink/genetlink.c:1114)
[  320.879426][ T8533]  ? genl_family_rcv_msg_attrs_parse.isra.0 (./include/net/netlink.h:785 (discriminator 2))
[  320.879435][ T8533]  ? security_capable (security/security.c:660 (discriminator 11))
[  320.879440][ T8533]  genl_family_rcv_msg (net/netlink/genetlink.c:1194)
[  320.879444][ T8533]  ? genl_family_rcv_msg_dumpit (net/netlink/genetlink.c:1079)
[  320.879446][ T8533]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380)
[  320.879448][ T8533]  ? ovs_vport_cmd_fill_info.isra.0 (./include/net/netlink.h:1107 (discriminator 1)) openvswitch
[  320.879453][ T8533]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[  320.879459][ T8533]  genl_rcv_msg (net/netlink/genetlink.c:1209)
[  320.879462][ T8533]  netlink_rcv_skb (net/netlink/af_netlink.c:2556)
[  320.879465][ T8533]  ? genl_family_rcv_msg (net/netlink/genetlink.c:1136 (discriminator 2))
[  320.879468][ T8533]  ? netlink_ack (./include/linux/skbuff.h:2718)
[  320.879476][ T8533]  ? 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))
[  320.879478][ T8533]  ? 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))
[  320.879482][ T8533]  genl_rcv (net/netlink/genetlink.c:1218)
[  320.879485][ T8533]  netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[  320.879489][ T8533]  ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[  320.879493][ T8533]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[  320.879496][ T8533]  netlink_sendmsg (net/netlink/af_netlink.c:1900)
[  320.879501][ T8533]  ? netlink_unicast (./include/net/net_namespace.h:422 (discriminator 7))
[  320.879502][ T8533]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[  320.879506][ T8533]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554)
[  320.879511][ T8533]  __sock_sendmsg (net/socket.c:800 (discriminator 4) net/socket.c:815 (discriminator 4))
[  320.879514][ T8533]  ? fdget (fs/file.c:1200 fs/file.c:1208)
[  320.879518][ T8533]  __sys_sendto (net/socket.c:2281)
[  320.879521][ T8533]  ? __ia32_sys_getpeername (net/socket.c:2235)
[  320.879533][ T8533]  ? exc_page_fault (arch/x86/mm/fault.c:1483 arch/x86/mm/fault.c:1536)
[  320.879539][ T8533]  __x64_sys_sendto (net/socket.c:2288 net/socket.c:2284 net/socket.c:2284)
[  320.879542][ T8533]  ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22))
[  320.879546][ T8533]  ? lockdep_hardirqs_on (kernel/locking/lockdep.c:4488)
[  320.879547][ T8533]  ? do_syscall_64 (arch/x86/entry/syscall_64.c:81 (discriminator 44))
[  320.879550][ T8533]  do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84)
[  320.879552][ T8533]  ? exc_page_fault (arch/x86/mm/fault.c:1489 (discriminator 3) arch/x86/mm/fault.c:1536 (discriminator 3))
[  320.879555][ T8533]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[  320.879557][ T8533] RIP: 0033:0x7f6e32c40312
[  320.879561][ T8533] 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)
[  320.879563][ T8533] RSP: 002b:00007ffd1d25bbf8 EFLAGS: 00000246 ORIG_RAX: 000000000000002c
[  320.879565][ T8533] RAX: ffffffffffffffda RBX: 00007ffd1d25bd28 RCX: 00007f6e32c40312
[  320.879567][ T8533] RDX: 0000000000000038 RSI: 00007f6e286171f0 RDI: 0000000000000023
[  320.879568][ T8533] RBP: 00007ffd1d25bc20 R08: 00007ffd1d25bda0 R09: 000000000000000c
[  320.879568][ T8533] R10: 0000000000000000 R11: 0000000000000246 R12: 00007f6e30aae190
[  320.879569][ T8533] R13: 00007ffd1d25bd28 R14: 00007f6e3255f01a R15: 00007ffd1d25c118
| [  321.939096][ T8560] softirqs last disabled at (384192): inet6_fill_ifla6_attrs (net/ipv6/addrconf.c:5883)
| [  321.939098][ T8560] Preemption disabled at:
| [  321.939099][ T8560] vprintk_emit (kernel/printk/printk.c:2471)
| [  321.939108][ T8560] Tainted: [W]=WARN
[  321.939109][ T8560] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[  321.939110][ T8560] Call Trace:
[  321.939112][ T8560]  <TASK>
[  321.939113][ T8560]  dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120)
[  321.939120][ T8560]  ? vprintk_emit (kernel/printk/printk.c:2471)
[  321.939122][ T8560]  __might_resched.cold (kernel/sched/core.c:9234)
[  321.939126][ T8560]  ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3))
[  321.939130][ T8560]  ? __kmalloc_noprof (./include/linux/sched/mm.h:317 mm/slub.c:4636 mm/slub.c:4974 mm/slub.c:5413 mm/slub.c:5439)
[  321.939135][ T8560]  __kmalloc_noprof (./include/linux/sched/mm.h:322 (discriminator 2) mm/slub.c:4636 (discriminator 2) mm/slub.c:4974 (discriminator 2) mm/slub.c:5413 (discriminator 2) mm/slub.c:5439 (discriminator 2))
[  321.939137][ T8560]  ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[  321.939144][ T8560]  ? do_raw_spin_unlock (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:32 ./include/asm-generic/qspinlock.h:58 kernel/locking/spinlock_debug.c:101 kernel/locking/spinlock_debug.c:141)
[  321.939147][ T8560]  alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[  321.939151][ T8560]  put_chars (drivers/char/virtio_console.c:1176)
[  321.939153][ T8560]  ? __send_to_port (drivers/char/virtio_console.c:654)
[  321.939157][ T8560]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380)
[  321.939160][ T8560]  ? validate_chain (kernel/locking/lockdep.c:3817 (discriminator 2) kernel/locking/lockdep.c:3837 (discriminator 2) kernel/locking/lockdep.c:3892 (discriminator 2))
[  321.939165][ T8560]  hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2))
[  321.939169][ T8560]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[  321.939171][ T8560]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[  321.939176][ T8560]  ? hvc_write (drivers/tty/hvc/hvc_console.c:501)
[  321.939180][ T8560]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  321.939183][ T8560]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  321.939187][ T8560]  console_emit_next_record (kernel/printk/printk.c:3183)
[  321.939191][ T8560]  ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20)
[  321.939193][ T8560]  ? 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))
[  321.939197][ T8560]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  321.939198][ T8560]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  321.939203][ T8560]  console_flush_one_record (kernel/printk/printk.c:3268)
[  321.939207][ T8560]  ? console_emit_next_record (kernel/printk/printk.c:3150)
[  321.939209][ T8560]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[  321.939215][ T8560]  console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420)
[  321.939218][ T8560]  ? console_flush_one_record (kernel/printk/printk.c:3316)
[  321.939220][ T8560]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  321.939221][ T8560]  ? 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)
[  321.939225][ T8560]  ? __down_trylock_console_sem (kernel/printk/printk.c:334)
[  321.939227][ T8560]  ? vprintk_emit (kernel/printk/printk.c:2478)
[  321.939230][ T8560]  vprintk_emit (kernel/printk/printk.c:2479)
[  321.939233][ T8560]  ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126))
[  321.939239][ T8560]  _printk (kernel/printk/printk.c:2504)
[  321.939243][ T8560]  ? snapshot_read.cold (user.c:?)
[  321.939246][ T8560]  ? lockdep_rtnl_is_held (./include/linux/lockdep.h:249 net/core/rtnetlink.c:182)
[  321.939249][ T8560]  ? netdev_upper_get_next_dev_rcu (net/core/dev.c:8213 (discriminator 5))
[  321.939252][ T8560]  ? 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)
[  321.939255][ T8560]  ? __netdev_update_features (net/core/dev.c:11078 (discriminator 2))
[  321.939256][ T8560]  ? netdev_name (./include/linux/netdevice.h:5709 (discriminator 1))
[  321.939261][ T8560]  ? __netdev_printk (net/core/dev.c:13148 (discriminator 2))
[  321.939265][ T8560]  netdev_info (net/core/dev.c:13195 (discriminator 3))
[  321.939268][ T8560]  ? netdev_notice (net/core/dev.c:13194)
[  321.939269][ T8560]  ? ovs_netdev_link (net/openvswitch/vport-netdev.c:85) openvswitch
[  321.939279][ T8560]  ? 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)
[  321.939281][ T8560]  __dev_set_promiscuity.cold (net/core/dev.c:9672 (discriminator 3))
[  321.939285][ T8560]  netif_set_promiscuity (net/core/dev.c:9699)
[  321.939289][ T8560]  dev_set_promiscuity (net/core/dev_api.c:288)
[  321.939291][ T8560]  ? dev_disable_lro (net/core/dev_api.c:267)
[  321.939293][ T8560] ovs_netdev_link (net/openvswitch/vport-netdev.c:106) openvswitch
[  321.939299][ T8560] ovs_vport_add (net/openvswitch/vport.c:209) openvswitch
[  321.939304][ T8560] new_vport (net/openvswitch/datapath.c:203) openvswitch
[  321.939309][ T8560]  ? ovs_lookup_vport (./include/linux/lockdep.h:249 net/openvswitch/datapath.c:120 net/openvswitch/datapath.c:117 net/openvswitch/datapath.c:190) openvswitch
[  321.939314][ T8560] ovs_vport_cmd_new (net/openvswitch/datapath.c:2389) openvswitch
[  321.939320][ T8560]  ? ovs_vport_cmd_fill_info.isra.0 (./include/net/netlink.h:1107 (discriminator 1)) openvswitch
[  321.939324][ T8560]  ? __nla_validate_parse (lib/nlattr.c:635)
[  321.939330][ T8560]  ? __nla_parse (lib/nlattr.c:732)
[  321.939333][ T8560]  ? genl_family_rcv_msg_attrs_parse.isra.0 (./include/net/netlink.h:789 (discriminator 2) net/netlink/genetlink.c:944 (discriminator 2))
[  321.939338][ T8560]  genl_family_rcv_msg_doit (net/netlink/genetlink.c:1114)
[  321.939342][ T8560]  ? genl_family_rcv_msg_attrs_parse.isra.0 (./include/net/netlink.h:785 (discriminator 2))
[  321.939350][ T8560]  ? security_capable (security/security.c:660 (discriminator 11))
[  321.939355][ T8560]  genl_family_rcv_msg (net/netlink/genetlink.c:1194)
[  321.939359][ T8560]  ? genl_family_rcv_msg_dumpit (net/netlink/genetlink.c:1079)
[  321.939362][ T8560]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380)
[  321.939364][ T8560]  ? ovs_vport_cmd_fill_info.isra.0 (./include/net/netlink.h:1107 (discriminator 1)) openvswitch
[  321.939368][ T8560]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[  321.939374][ T8560]  genl_rcv_msg (net/netlink/genetlink.c:1209)
[  321.939378][ T8560]  netlink_rcv_skb (net/netlink/af_netlink.c:2556)
[  321.939380][ T8560]  ? genl_family_rcv_msg (net/netlink/genetlink.c:1136 (discriminator 2))
[  321.939384][ T8560]  ? netlink_ack (./include/linux/skbuff.h:2718)
[  321.939391][ T8560]  ? 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))
[  321.939393][ T8560]  ? 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))
[  321.939398][ T8560]  genl_rcv (net/netlink/genetlink.c:1218)
[  321.939400][ T8560]  netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[  321.939404][ T8560]  ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[  321.939409][ T8560]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[  321.939413][ T8560]  netlink_sendmsg (net/netlink/af_netlink.c:1900)
[  321.939417][ T8560]  ? netlink_unicast (./include/net/net_namespace.h:422 (discriminator 7))
[  321.939419][ T8560]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[  321.939422][ T8560]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554)
[  321.939428][ T8560]  __sock_sendmsg (net/socket.c:800 (discriminator 4) net/socket.c:815 (discriminator 4))
[  321.939431][ T8560]  ? fdget (fs/file.c:1200 fs/file.c:1208)
[  321.939435][ T8560]  __sys_sendto (net/socket.c:2281)
[  321.939438][ T8560]  ? __ia32_sys_getpeername (net/socket.c:2235)
[  321.939444][ T8560]  ? do_futex (kernel/futex/syscalls.c:138)
[  321.939447][ T8560]  ? __ia32_sys_get_robust_list (kernel/futex/syscalls.c:94)
[  321.939454][ T8560]  ? exc_page_fault (arch/x86/mm/fault.c:1483 arch/x86/mm/fault.c:1536)
[  321.939458][ T8560]  ? do_futex (kernel/futex/syscalls.c:153 (discriminator 1))
[  321.939462][ T8560]  __x64_sys_sendto (net/socket.c:2288 net/socket.c:2284 net/socket.c:2284)
[  321.939464][ T8560]  ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22))
[  321.939468][ T8560]  ? lockdep_hardirqs_on (kernel/locking/lockdep.c:4488)
[  321.939470][ T8560]  ? do_syscall_64 (arch/x86/entry/syscall_64.c:81 (discriminator 44))
[  321.939472][ T8560]  do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84)
[  321.939474][ T8560]  ? exc_page_fault (arch/x86/mm/fault.c:1489 (discriminator 3) arch/x86/mm/fault.c:1536 (discriminator 3))
[  321.939477][ T8560]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[  321.939479][ T8560] RIP: 0033:0x7f8d04e7b312
[  321.939483][ T8560] 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)
[  321.939485][ T8560] RSP: 002b:00007fff3ca06a88 EFLAGS: 00000246 ORIG_RAX: 000000000000002c
[  321.939488][ T8560] RAX: ffffffffffffffda RBX: 00007fff3ca06bb8 RCX: 00007f8d04e7b312
[  321.939489][ T8560] RDX: 0000000000000034 RSI: 00007f8d02bc6970 RDI: 0000000000000023
[  321.939490][ T8560] RBP: 00007fff3ca06ab0 R08: 00007fff3ca06c30 R09: 000000000000000c
[  321.939491][ T8560] R10: 0000000000000000 R11: 0000000000000246 R12: 00007f8d02cde190
[  321.939492][ T8560] R13: 00007fff3ca06bb8 R14: 00007f8d0479a01a R15: 00007fff3ca06fa8
| [  330.670203][   T71] softirqs last disabled at (8572916): __neigh_ifdown.isra.0 (./include/linux/spinlock.h:353 net/core/neighbour.c:464)
| [  330.670206][   T71] Preemption disabled at:
| [  330.670206][   T71] vprintk_emit (kernel/printk/printk.c:2471)
| [  330.670215][   T71] Tainted: [W]=WARN
[  330.670216][   T71] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[  330.670218][   T71] Workqueue: netns cleanup_net
[  330.670221][   T71] Call Trace:
[  330.670223][   T71]  <TASK>
[  330.670227][   T71]  dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120)
[  330.670234][   T71]  ? vprintk_emit (kernel/printk/printk.c:2471)
[  330.670236][   T71]  __might_resched.cold (kernel/sched/core.c:9234)
[  330.670240][   T71]  ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3))
[  330.670244][   T71]  ? __kmalloc_noprof (./include/linux/sched/mm.h:317 mm/slub.c:4636 mm/slub.c:4974 mm/slub.c:5413 mm/slub.c:5439)
[  330.670249][   T71]  __kmalloc_noprof (./include/linux/sched/mm.h:322 (discriminator 2) mm/slub.c:4636 (discriminator 2) mm/slub.c:4974 (discriminator 2) mm/slub.c:5413 (discriminator 2) mm/slub.c:5439 (discriminator 2))
[  330.670251][   T71]  ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[  330.670258][   T71]  ? do_raw_spin_unlock (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:32 ./include/asm-generic/qspinlock.h:58 kernel/locking/spinlock_debug.c:101 kernel/locking/spinlock_debug.c:141)
[  330.670261][   T71]  alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[  330.670265][   T71]  put_chars (drivers/char/virtio_console.c:1176)
[  330.670266][   T71]  ? prb_final_commit (kernel/printk/printk_ringbuffer.c:1842)
[  330.670269][   T71]  ? __send_to_port (drivers/char/virtio_console.c:654)
[  330.670272][   T71]  ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4116 (discriminator 3) kernel/rcu/tree.c:4108 (discriminator 3))
[  330.670275][   T71]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380)
[  330.670278][   T71]  ? validate_chain (kernel/locking/lockdep.c:3817 (discriminator 2) kernel/locking/lockdep.c:3837 (discriminator 2) kernel/locking/lockdep.c:3892 (discriminator 2))
[  330.670282][   T71]  hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2))
[  330.670287][   T71]  ? mark_usage (kernel/locking/lockdep.c:4690)
[  330.670289][   T71]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[  330.670291][   T71]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[  330.670295][   T71]  ? hvc_write (drivers/tty/hvc/hvc_console.c:501)
[  330.670298][   T71]  ? console_emit_next_record (kernel/printk/printk.c:3095 (discriminator 2) kernel/printk/printk.c:3182 (discriminator 2))
[  330.670302][   T71]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  330.670304][   T71]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  330.670308][   T71]  console_emit_next_record (kernel/printk/printk.c:3183)
[  330.670313][   T71]  ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20)
[  330.670315][   T71]  ? 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))
[  330.670318][   T71]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  330.670320][   T71]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  330.670325][   T71]  console_flush_one_record (kernel/printk/printk.c:3268)
[  330.670329][   T71]  ? console_emit_next_record (kernel/printk/printk.c:3150)
[  330.670331][   T71]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[  330.670337][   T71]  console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420)
[  330.670340][   T71]  ? console_flush_one_record (kernel/printk/printk.c:3316)
[  330.670342][   T71]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  330.670344][   T71]  ? 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)
[  330.670348][   T71]  ? __down_trylock_console_sem (kernel/printk/printk.c:334)
[  330.670350][   T71]  ? vprintk_emit (kernel/printk/printk.c:2478)
[  330.670353][   T71]  vprintk_emit (kernel/printk/printk.c:2479)
[  330.670356][   T71]  ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126))
[  330.670359][   T71]  ? net_disable_timestamp (./include/linux/workqueue.h:761)
[  330.670361][   T71]  ? net_generic (./include/linux/rcupdate.h:882 ./include/net/netns/generic.h:48) vxlan
[  330.670371][   T71]  _printk (kernel/printk/printk.c:2504)
[  330.670375][   T71]  ? snapshot_read.cold (user.c:?)
[  330.670380][   T71]  ? netdev_name (./include/linux/netdevice.h:5709 (discriminator 1))
[  330.670384][   T71]  ? __netdev_printk (net/core/dev.c:13148 (discriminator 2))
[  330.670388][   T71]  netdev_info (net/core/dev.c:13195 (discriminator 3))
[  330.670391][   T71]  ? netdev_notice (net/core/dev.c:13194)
[  330.670393][   T71]  ? __netdev_upper_dev_unlink (net/core/dev.c:9094)
[  330.670397][   T71]  ? synchronize_rcu_expedited (kernel/rcu/tree_exp.h:985)
[  330.670403][   T71]  ? 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)
[  330.670405][   T71]  __dev_set_promiscuity.cold (net/core/dev.c:9672 (discriminator 3))
[  330.670409][   T71]  netif_set_promiscuity (net/core/dev.c:9699)
[  330.670413][   T71]  dev_set_promiscuity (net/core/dev_api.c:288)
[  330.670415][   T71]  ? rtnl_is_locked (net/core/rtnetlink.c:169)
[  330.670418][   T71] ovs_netdev_detach_dev (net/openvswitch/vport-netdev.c:174) openvswitch
[  330.670425][   T71] dp_device_event (net/openvswitch/dp_notify.c:74) openvswitch
[  330.670430][   T71]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  330.670433][   T71]  notifier_call_chain (kernel/notifier.c:85)
[  330.670439][   T71]  unregister_netdevice_many_notify (net/core/dev.c:2313 net/core/dev.c:2327 net/core/dev.c:12518)
[  330.670444][   T71]  ? unregister_netdevice_queued (./include/linux/list.h:419 (discriminator 3))
[  330.670452][   T71]  default_device_exit_batch (net/core/dev.c:12589 net/core/dev.c:13288)
[  330.670456][   T71]  ? unregister_netdevice_queue (./include/linux/list.h:173)
[  330.670458][   T71]  ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3))
[  330.670461][   T71]  ? fou_exit_net (net/ipv4/fou_core.c:1228)
[  330.670466][   T71]  ops_undo_list (net/core/net_namespace.c:206 net/core/net_namespace.c:253)
[  330.670470][   T71]  ? lockdep_hardirqs_on (kernel/locking/lockdep.c:4488)
[  330.670474][   T71]  ? netns_install (./include/linux/ns_common.h:26)
[  330.670475][   T71]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554)
[  330.670479][   T71]  ? idr_destroy (lib/radix-tree.c:310 lib/radix-tree.c:674 lib/radix-tree.c:1563)
[  330.670484][   T71]  cleanup_net (net/core/net_namespace.c:706)
[  330.670487][   T71]  ? net_passive_dec (./include/linux/llist.h:241)
[  330.670491][   T71]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  330.670493][   T71]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  330.670497][   T71]  process_one_work (kernel/workqueue.c:3387)
[  330.670504][   T71]  ? __queue_delayed_work (kernel/workqueue.c:2622)
[  330.670507][   T71]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2))
[  330.670516][   T71]  worker_thread (kernel/workqueue.c:3470 kernel/workqueue.c:3551)
[  330.670520][   T71]  ? rescuer_thread (./include/linux/list.h:419 (discriminator 3))
[  330.670522][   T71]  ? __kthread_parkme (./include/linux/instrumented.h:82 ./include/asm-generic/bitops/instrumented-non-atomic.h:141 kernel/kthread.c:272)
[  330.670525][   T71]  ? rescuer_thread (./include/linux/list.h:419 (discriminator 3))
[  330.670528][   T71]  ? rescuer_thread (./include/linux/list.h:419 (discriminator 3))
[  330.670531][   T71]  kthread (kernel/kthread.c:436)
[  330.670533][   T71]  ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22))
[  330.670536][   T71]  ? kthread_affine_preferred (kernel/kthread.c:857)
[  330.670540][   T71]  ret_from_fork (arch/x86/kernel/process.c:158)
[  330.670544][   T71]  ? arch_exit_to_user_mode_prepare.isra.0 (arch/x86/entry/vdso/vma.c:80 (discriminator 1))
[  330.670548][   T71]  ? __switch_to (arch/x86/kernel/process_64.c:403 arch/x86/kernel/process_64.c:663)
[  330.670551][   T71]  ? kthread_affine_preferred (kernel/kthread.c:857)
[  330.670554][   T71]  ret_from_fork_asm (arch/x86/entry/entry_64.S:245)
| [  333.167810][ T8786] softirqs last disabled at (385662): __alloc_skb (./include/linux/bottom_half.h:20 (discriminator 2) net/core/skbuff.c:697 (discriminator 2))
| [  333.167813][ T8786] Preemption disabled at:
| [  333.167813][ T8786] vprintk_emit (kernel/printk/printk.c:2471)
| [  333.167822][ T8786] Tainted: [W]=WARN
[  333.167823][ T8786] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[  333.167825][ T8786] Call Trace:
[  333.167826][ T8786]  <TASK>
[  333.167828][ T8786]  dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120)
[  333.167835][ T8786]  ? vprintk_emit (kernel/printk/printk.c:2471)
[  333.167836][ T8786]  __might_resched.cold (kernel/sched/core.c:9234)
[  333.167841][ T8786]  ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3))
[  333.167845][ 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)
[  333.167850][ 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))
[  333.167852][ T8786]  ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[  333.167859][ 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)
[  333.167862][ T8786]  alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[  333.167866][ T8786]  put_chars (drivers/char/virtio_console.c:1176)
[  333.167868][ T8786]  ? __send_to_port (drivers/char/virtio_console.c:654)
[  333.167870][ T8786]  ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4116 (discriminator 3) kernel/rcu/tree.c:4108 (discriminator 3))
[  333.167873][ T8786]  ? validate_chain (kernel/locking/lockdep.c:3817 (discriminator 2) kernel/locking/lockdep.c:3837 (discriminator 2) kernel/locking/lockdep.c:3892 (discriminator 2))
[  333.167886][ T8786]  hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2))
[  333.167895][ T8786]  ? hvc_write (drivers/tty/hvc/hvc_console.c:501)
[  333.167897][ T8786]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  333.167899][ T8786]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  333.167904][ T8786]  console_emit_next_record (kernel/printk/printk.c:3183)
[  333.167908][ T8786]  ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20)
[  333.167910][ 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))
[  333.167914][ T8786]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  333.167916][ T8786]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  333.167920][ T8786]  console_flush_one_record (kernel/printk/printk.c:3268)
[  333.167924][ T8786]  ? console_emit_next_record (kernel/printk/printk.c:3150)
[  333.167926][ T8786]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[  333.167932][ T8786]  console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420)
[  333.167935][ T8786]  ? console_flush_one_record (kernel/printk/printk.c:3316)
[  333.167937][ T8786]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  333.167939][ 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)
[  333.167943][ T8786]  ? __down_trylock_console_sem (kernel/printk/printk.c:334)
[  333.167945][ T8786]  ? vprintk_emit (kernel/printk/printk.c:2478)
[  333.167948][ T8786]  vprintk_emit (kernel/printk/printk.c:2479)
[  333.167951][ T8786]  ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126))
[  333.167953][ T8786]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380)
[  333.167956][ T8786]  ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4116 (discriminator 3) kernel/rcu/tree.c:4108 (discriminator 3))
[  333.167960][ T8786]  _printk (kernel/printk/printk.c:2504)
[  333.167964][ T8786]  ? snapshot_read.cold (user.c:?)
[  333.167968][ T8786]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  333.167970][ T8786]  ? netdev_name (./include/linux/netdevice.h:5709 (discriminator 1))
[  333.167973][ T8786]  ? __netdev_printk (net/core/dev.c:13148 (discriminator 2))
[  333.167977][ T8786]  netdev_info (net/core/dev.c:13195 (discriminator 3))
[  333.167980][ T8786]  ? netdev_notice (net/core/dev.c:13194)
[  333.167982][ T8786]  ? internal_dev_destroy (net/openvswitch/vport-internal_dev.c:178) openvswitch
[  333.167988][ T8786]  ? ww_mutex_lock (kernel/locking/mutex.c:934)
[  333.167994][ 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)
[  333.167997][ T8786]  __dev_set_promiscuity.cold (net/core/dev.c:9672 (discriminator 3))
[  333.168001][ T8786]  netif_set_promiscuity (net/core/dev.c:9699)
[  333.168005][ T8786]  dev_set_promiscuity (net/core/dev_api.c:288)
[  333.168009][ T8786] internal_dev_destroy (net/openvswitch/vport-internal_dev.c:179) openvswitch
[  333.168014][ T8786] __dp_destroy (net/openvswitch/datapath.c:1969 (discriminator 1)) openvswitch
[  333.168021][ T8786] ovs_dp_cmd_del (net/openvswitch/datapath.c:2003) openvswitch
[  333.168027][ T8786]  genl_family_rcv_msg_doit (net/netlink/genetlink.c:1114)
[  333.168031][ T8786]  ? genl_family_rcv_msg_attrs_parse.isra.0 (./include/net/netlink.h:785 (discriminator 2))
[  333.168040][ T8786]  ? security_capable (security/security.c:660 (discriminator 11))
[  333.168044][ T8786]  genl_family_rcv_msg (net/netlink/genetlink.c:1194)
[  333.168048][ T8786]  ? genl_family_rcv_msg_dumpit (net/netlink/genetlink.c:1079)
[  333.168051][ T8786]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380)
[  333.168053][ 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
[  333.168058][ T8786]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[  333.168064][ T8786]  genl_rcv_msg (net/netlink/genetlink.c:1209)
[  333.168067][ T8786]  netlink_rcv_skb (net/netlink/af_netlink.c:2556)
[  333.168069][ T8786]  ? genl_family_rcv_msg (net/netlink/genetlink.c:1136 (discriminator 2))
[  333.168073][ T8786]  ? netlink_ack (./include/linux/skbuff.h:2718)
[  333.168080][ 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))
[  333.168083][ 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))
[  333.168087][ T8786]  genl_rcv (net/netlink/genetlink.c:1218)
[  333.168089][ T8786]  netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[  333.168094][ T8786]  ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[  333.168098][ T8786]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[  333.168101][ T8786]  netlink_sendmsg (net/netlink/af_netlink.c:1900)
[  333.168105][ T8786]  ? netlink_unicast (./include/net/net_namespace.h:422 (discriminator 7))
[  333.168107][ T8786]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[  333.168111][ T8786]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554)
[  333.168116][ T8786]  __sock_sendmsg (net/socket.c:800 (discriminator 4) net/socket.c:815 (discriminator 4))
[  333.168119][ T8786]  ? fdget (fs/file.c:1200 fs/file.c:1208)
[  333.168123][ T8786]  __sys_sendto (net/socket.c:2281)
[  333.168126][ T8786]  ? __ia32_sys_getpeername (net/socket.c:2235)
[  333.168137][ T8786]  ? exc_page_fault (arch/x86/mm/fault.c:1483 arch/x86/mm/fault.c:1536)
[  333.168143][ T8786]  __x64_sys_sendto (net/socket.c:2288 net/socket.c:2284 net/socket.c:2284)
[  333.168145][ T8786]  ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22))
[  333.168149][ T8786]  ? lockdep_hardirqs_on (kernel/locking/lockdep.c:4488)
[  333.168151][ T8786]  ? do_syscall_64 (arch/x86/entry/syscall_64.c:81 (discriminator 44))
[  333.168154][ T8786]  do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84)
[  333.168156][ T8786]  ? exc_page_fault (arch/x86/mm/fault.c:1489 (discriminator 3) arch/x86/mm/fault.c:1536 (discriminator 3))
[  333.168158][ T8786]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[  333.168160][ T8786] RIP: 0033:0x7f665c25c312
[  333.168164][ 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)
[  333.168166][ T8786] RSP: 002b:00007fff9ddb4f88 EFLAGS: 00000246 ORIG_RAX: 000000000000002c
[  333.168169][ T8786] RAX: ffffffffffffffda RBX: 00007fff9ddb50b8 RCX: 00007f665c25c312
[  333.168170][ T8786] RDX: 0000000000000024 RSI: 00007f66585e5050 RDI: 0000000000000020
[  333.168171][ T8786] RBP: 00007fff9ddb4fb0 R08: 00007fff9ddb5130 R09: 000000000000000c
[  333.168172][ T8786] R10: 0000000000000000 R11: 0000000000000246 R12: 00007f665a0c9e10
[  333.168173][ T8786] R13: 00007fff9ddb50b8 R14: 00007f665bb7b01a R15: 00007fff9ddb54a8
| [  336.262691][ T8881] softirqs last disabled at (387824): __alloc_skb (./include/linux/bottom_half.h:20 (discriminator 2) net/core/skbuff.c:697 (discriminator 2))
| [  336.262694][ T8881] Preemption disabled at:
| [  336.262695][ T8881] vprintk_emit (kernel/printk/printk.c:2471)
| [  336.262703][ T8881] Tainted: [W]=WARN
[  336.262704][ T8881] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[  336.262706][ T8881] Call Trace:
[  336.262708][ T8881]  <TASK>
[  336.262710][ T8881]  dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120)
[  336.262716][ T8881]  ? vprintk_emit (kernel/printk/printk.c:2471)
[  336.262718][ T8881]  __might_resched.cold (kernel/sched/core.c:9234)
[  336.262723][ T8881]  ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3))
[  336.262727][ 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)
[  336.262732][ 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))
[  336.262734][ T8881]  ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[  336.262740][ 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)
[  336.262743][ T8881]  alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[  336.262747][ T8881]  put_chars (drivers/char/virtio_console.c:1176)
[  336.262750][ T8881]  ? __send_to_port (drivers/char/virtio_console.c:654)
[  336.262752][ T8881]  ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4116 (discriminator 3) kernel/rcu/tree.c:4108 (discriminator 3))
[  336.262756][ T8881]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380)
[  336.262759][ T8881]  ? validate_chain (kernel/locking/lockdep.c:3817 (discriminator 2) kernel/locking/lockdep.c:3837 (discriminator 2) kernel/locking/lockdep.c:3892 (discriminator 2))
[  336.262763][ T8881]  hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2))
[  336.262767][ T8881]  ? mark_usage (kernel/locking/lockdep.c:4690)
[  336.262769][ T8881]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[  336.262771][ T8881]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[  336.262775][ T8881]  ? hvc_write (drivers/tty/hvc/hvc_console.c:501)
[  336.262777][ T8881]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2))
[  336.262781][ T8881]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  336.262785][ T8881]  console_emit_next_record (kernel/printk/printk.c:3183)
[  336.262790][ T8881]  ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20)
[  336.262791][ 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))
[  336.262795][ T8881]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  336.262797][ T8881]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  336.262801][ T8881]  console_flush_one_record (kernel/printk/printk.c:3268)
[  336.262805][ T8881]  ? console_emit_next_record (kernel/printk/printk.c:3150)
[  336.262807][ T8881]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[  336.262813][ T8881]  console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420)
[  336.262816][ T8881]  ? console_flush_one_record (kernel/printk/printk.c:3316)
[  336.262818][ T8881]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  336.262819][ 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)
[  336.262823][ T8881]  ? __down_trylock_console_sem (kernel/printk/printk.c:334)
[  336.262825][ T8881]  ? vprintk_emit (kernel/printk/printk.c:2478)
[  336.262828][ T8881]  vprintk_emit (kernel/printk/printk.c:2479)
[  336.262831][ T8881]  ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126))
[  336.262833][ T8881]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554)
[  336.262835][ T8881]  ? genl_family_rcv_msg (net/netlink/genetlink.c:1194)
[  336.262840][ T8881]  _printk (kernel/printk/printk.c:2504)
[  336.262844][ T8881]  ? snapshot_read.cold (user.c:?)
[  336.262846][ T8881]  ? ___ratelimit (lib/ratelimit.c:97 (discriminator 3))
[  336.262852][ T8881]  ? idr_get_free (??:?)
[  336.262857][ T8881]  validate_nla.cold (lib/nlattr.c:414 (discriminator 4))
[  336.262866][ T8881]  ? nla_get_range_signed (lib/nlattr.c:270)
[  336.262872][ T8881]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  336.262874][ T8881]  ? trace_kmalloc (./include/trace/events/kmem.h:57 (discriminator 22))
[  336.262879][ T8881]  __nla_validate_parse (lib/nlattr.c:635)
[  336.262883][ T8881]  __nla_parse (lib/nlattr.c:732)
[  336.262886][ T8881]  genl_family_rcv_msg_attrs_parse.isra.0 (./include/net/netlink.h:789 (discriminator 2) net/netlink/genetlink.c:944 (discriminator 2))
[  336.262892][ T8881]  genl_family_rcv_msg_doit (net/netlink/genetlink.c:1092)
[  336.262895][ T8881]  ? genl_family_rcv_msg_attrs_parse.isra.0 (./include/net/netlink.h:785 (discriminator 2))
[  336.262912][ T8881]  ? security_capable (security/security.c:660 (discriminator 11))
[  336.262917][ T8881]  genl_family_rcv_msg (net/netlink/genetlink.c:1194)
[  336.262920][ T8881]  ? genl_family_rcv_msg_dumpit (net/netlink/genetlink.c:1079)
[  336.262923][ T8881]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380)
[  336.262926][ T8881]  ? ovs_dp_cmd_get (./include/net/net_namespace.h:422 (discriminator 7)) openvswitch
[  336.262934][ T8881]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[  336.262940][ T8881]  genl_rcv_msg (net/netlink/genetlink.c:1209)
[  336.262943][ T8881]  netlink_rcv_skb (net/netlink/af_netlink.c:2556)
[  336.262945][ T8881]  ? genl_family_rcv_msg (net/netlink/genetlink.c:1136 (discriminator 2))
[  336.262949][ T8881]  ? netlink_ack (./include/linux/skbuff.h:2718)
[  336.262956][ 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))
[  336.262958][ 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))
[  336.262962][ T8881]  genl_rcv (net/netlink/genetlink.c:1218)
[  336.262965][ T8881]  netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[  336.262969][ T8881]  ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[  336.262973][ T8881]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[  336.262976][ T8881]  netlink_sendmsg (net/netlink/af_netlink.c:1900)
[  336.262980][ T8881]  ? netlink_unicast (./include/net/net_namespace.h:422 (discriminator 7))
[  336.262982][ T8881]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[  336.262985][ T8881]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554)
[  336.262990][ T8881]  __sock_sendmsg (net/socket.c:800 (discriminator 4) net/socket.c:815 (discriminator 4))
[  336.262993][ T8881]  ? fdget (fs/file.c:1200 fs/file.c:1208)
[  336.262997][ T8881]  __sys_sendto (net/socket.c:2281)
[  336.263000][ T8881]  ? __ia32_sys_getpeername (net/socket.c:2235)
[  336.263011][ T8881]  ? fput_close_sync (fs/file_table.c:617)
[  336.263015][ T8881]  ? alloc_file_clone (fs/file_table.c:479)
[  336.263019][ T8881]  __x64_sys_sendto (net/socket.c:2288 net/socket.c:2284 net/socket.c:2284)
[  336.263021][ T8881]  ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22))
[  336.263025][ T8881]  ? lockdep_hardirqs_on (kernel/locking/lockdep.c:4488)
[  336.263028][ T8881]  ? do_syscall_64 (arch/x86/entry/syscall_64.c:81 (discriminator 44))
[  336.263030][ T8881]  do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84)
[  336.263032][ T8881]  ? exc_page_fault (arch/x86/mm/fault.c:1489 (discriminator 3) arch/x86/mm/fault.c:1536 (discriminator 3))
[  336.263035][ T8881]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[  336.263037][ T8881] RIP: 0033:0x7f8f0f740312
[  336.263041][ 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)
[  336.263043][ T8881] RSP: 002b:00007ffcbac774f8 EFLAGS: 00000246 ORIG_RAX: 000000000000002c
[  336.263046][ T8881] RAX: ffffffffffffffda RBX: 00007ffcbac77628 RCX: 00007f8f0f740312
[  336.263047][ T8881] RDX: 0000000000000044 RSI: 00007f8f0c31fa50 RDI: 0000000000000020
[  336.263048][ T8881] RBP: 00007ffcbac77520 R08: 00007ffcbac776a0 R09: 000000000000000c
[  336.263049][ T8881] R10: 0000000000000000 R11: 0000000000000246 R12: 00007f8f0d5ae0b0
[  336.263050][ T8881] R13: 00007ffcbac77628 R14: 00007f8f0f05f01a R15: 00007ffcbac77a18
| [  337.464458][ T8913] softirqs last disabled at (391482): inet6_fill_ifla6_attrs (net/ipv6/addrconf.c:5883)
| [  337.464460][ T8913] Preemption disabled at:
| [  337.464461][ T8913] vprintk_emit (kernel/printk/printk.c:2471)
| [  337.464471][ T8913] Tainted: [W]=WARN
[  337.464472][ T8913] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[  337.464473][ T8913] Call Trace:
[  337.464475][ T8913]  <TASK>
[  337.464476][ T8913]  dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120)
[  337.464483][ T8913]  ? vprintk_emit (kernel/printk/printk.c:2471)
[  337.464485][ T8913]  __might_resched.cold (kernel/sched/core.c:9234)
[  337.464489][ T8913]  ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3))
[  337.464494][ 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)
[  337.464498][ 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))
[  337.464500][ T8913]  ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[  337.464507][ 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)
[  337.464510][ T8913]  alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[  337.464514][ T8913]  put_chars (drivers/char/virtio_console.c:1176)
[  337.464517][ T8913]  ? __send_to_port (drivers/char/virtio_console.c:654)
[  337.464520][ T8913]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380)
[  337.464524][ T8913]  ? validate_chain (kernel/locking/lockdep.c:3817 (discriminator 2) kernel/locking/lockdep.c:3837 (discriminator 2) kernel/locking/lockdep.c:3892 (discriminator 2))
[  337.464528][ T8913]  hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2))
[  337.464533][ T8913]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[  337.464534][ T8913]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[  337.464539][ T8913]  ? hvc_write (drivers/tty/hvc/hvc_console.c:501)
[  337.464543][ T8913]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  337.464546][ T8913]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  337.464550][ T8913]  console_emit_next_record (kernel/printk/printk.c:3183)
[  337.464554][ T8913]  ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20)
[  337.464556][ 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))
[  337.464560][ T8913]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  337.464562][ T8913]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  337.464566][ T8913]  console_flush_one_record (kernel/printk/printk.c:3268)
[  337.464571][ T8913]  ? console_emit_next_record (kernel/printk/printk.c:3150)
[  337.464573][ T8913]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[  337.464583][ T8913]  console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420)
[  337.464588][ T8913]  ? console_flush_one_record (kernel/printk/printk.c:3316)
[  337.464591][ T8913]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  337.464593][ 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)
[  337.464597][ T8913]  ? __down_trylock_console_sem (kernel/printk/printk.c:334)
[  337.464599][ T8913]  ? vprintk_emit (kernel/printk/printk.c:2478)
[  337.464602][ T8913]  vprintk_emit (kernel/printk/printk.c:2479)
[  337.464606][ T8913]  ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126))
[  337.464611][ T8913]  _printk (kernel/printk/printk.c:2504)
[  337.464615][ T8913]  ? snapshot_read.cold (user.c:?)
[  337.464618][ T8913]  ? lockdep_rtnl_is_held (./include/linux/lockdep.h:249 net/core/rtnetlink.c:182)
[  337.464622][ T8913]  ? netdev_upper_get_next_dev_rcu (net/core/dev.c:8213 (discriminator 5))
[  337.464626][ T8913]  ? __netdev_update_features (net/core/dev.c:11078 (discriminator 2))
[  337.464628][ T8913]  ? netdev_name (./include/linux/netdevice.h:5709 (discriminator 1))
[  337.464632][ T8913]  ? __netdev_printk (net/core/dev.c:13148 (discriminator 2))
[  337.464636][ T8913]  netdev_info (net/core/dev.c:13195 (discriminator 3))
[  337.464639][ T8913]  ? netdev_notice (net/core/dev.c:13194)
[  337.464641][ T8913]  ? ovs_netdev_link (net/openvswitch/vport-netdev.c:85) openvswitch
[  337.464650][ 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)
[  337.464653][ T8913]  __dev_set_promiscuity.cold (net/core/dev.c:9672 (discriminator 3))
[  337.464657][ T8913]  netif_set_promiscuity (net/core/dev.c:9699)
[  337.464664][ T8913]  dev_set_promiscuity (net/core/dev_api.c:288)
[  337.464667][ T8913]  ? dev_disable_lro (net/core/dev_api.c:267)
[  337.464669][ T8913] ovs_netdev_link (net/openvswitch/vport-netdev.c:106) openvswitch
[  337.464675][ T8913] ovs_vport_add (net/openvswitch/vport.c:209) openvswitch
[  337.464680][ T8913] new_vport (net/openvswitch/datapath.c:203) openvswitch
[  337.464685][ 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
[  337.464690][ T8913] ovs_vport_cmd_new (net/openvswitch/datapath.c:2389) openvswitch
[  337.464696][ T8913]  ? ovs_vport_cmd_fill_info.isra.0 (./include/net/netlink.h:1107 (discriminator 1)) openvswitch
[  337.464700][ T8913]  ? __nla_validate_parse (lib/nlattr.c:635)
[  337.464707][ T8913]  ? __nla_parse (lib/nlattr.c:732)
[  337.464709][ T8913]  ? genl_family_rcv_msg_attrs_parse.isra.0 (./include/net/netlink.h:789 (discriminator 2) net/netlink/genetlink.c:944 (discriminator 2))
[  337.464714][ T8913]  genl_family_rcv_msg_doit (net/netlink/genetlink.c:1114)
[  337.464718][ T8913]  ? genl_family_rcv_msg_attrs_parse.isra.0 (./include/net/netlink.h:785 (discriminator 2))
[  337.464727][ T8913]  ? security_capable (security/security.c:660 (discriminator 11))
[  337.464732][ T8913]  genl_family_rcv_msg (net/netlink/genetlink.c:1194)
[  337.464736][ T8913]  ? genl_family_rcv_msg_dumpit (net/netlink/genetlink.c:1079)
[  337.464739][ T8913]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380)
[  337.464741][ T8913]  ? ovs_vport_cmd_fill_info.isra.0 (./include/net/netlink.h:1107 (discriminator 1)) openvswitch
[  337.464745][ T8913]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[  337.464751][ T8913]  genl_rcv_msg (net/netlink/genetlink.c:1209)
[  337.464755][ T8913]  netlink_rcv_skb (net/netlink/af_netlink.c:2556)
[  337.464757][ T8913]  ? genl_family_rcv_msg (net/netlink/genetlink.c:1136 (discriminator 2))
[  337.464761][ T8913]  ? netlink_ack (./include/linux/skbuff.h:2718)
[  337.464768][ 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))
[  337.464771][ 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))
[  337.464775][ T8913]  genl_rcv (net/netlink/genetlink.c:1218)
[  337.464777][ T8913]  netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[  337.464782][ T8913]  ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[  337.464786][ T8913]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[  337.464789][ T8913]  netlink_sendmsg (net/netlink/af_netlink.c:1900)
[  337.464794][ T8913]  ? netlink_unicast (./include/net/net_namespace.h:422 (discriminator 7))
[  337.464795][ T8913]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[  337.464799][ T8913]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554)
[  337.464804][ T8913]  __sock_sendmsg (net/socket.c:800 (discriminator 4) net/socket.c:815 (discriminator 4))
[  337.464807][ T8913]  ? fdget (fs/file.c:1200 fs/file.c:1208)
[  337.464811][ T8913]  __sys_sendto (net/socket.c:2281)
[  337.464814][ T8913]  ? __ia32_sys_getpeername (net/socket.c:2235)
[  337.464826][ T8913]  ? exc_page_fault (arch/x86/mm/fault.c:1483 arch/x86/mm/fault.c:1536)
[  337.464833][ T8913]  __x64_sys_sendto (net/socket.c:2288 net/socket.c:2284 net/socket.c:2284)
[  337.464835][ T8913]  ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22))
[  337.464839][ T8913]  ? lockdep_hardirqs_on (kernel/locking/lockdep.c:4488)
[  337.464841][ T8913]  ? do_syscall_64 (arch/x86/entry/syscall_64.c:81 (discriminator 44))
[  337.464844][ T8913]  do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84)
[  337.464846][ T8913]  ? exc_page_fault (arch/x86/mm/fault.c:1489 (discriminator 3) arch/x86/mm/fault.c:1536 (discriminator 3))
[  337.464848][ T8913]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[  337.464851][ T8913] RIP: 0033:0x7f45b2cac312
[  337.464855][ 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)
[  337.464857][ T8913] RSP: 002b:00007fff268a0648 EFLAGS: 00000246 ORIG_RAX: 000000000000002c
[  337.464860][ T8913] RAX: ffffffffffffffda RBX: 00007fff268a0778 RCX: 00007f45b2cac312
[  337.464862][ T8913] RDX: 0000000000000038 RSI: 00007f45a87170f0 RDI: 0000000000000023
[  337.464863][ T8913] RBP: 00007fff268a0670 R08: 00007fff268a07f0 R09: 000000000000000c
[  337.464863][ T8913] R10: 0000000000000000 R11: 0000000000000246 R12: 00007f45b0b16190
[  337.464864][ T8913] R13: 00007fff268a0778 R14: 00007f45b25cb01a R15: 00007fff268a0b68
| [  338.478753][ T8940] softirqs last disabled at (394655): __irq_exit_rcu (kernel/softirq.c:679 kernel/softirq.c:519 kernel/softirq.c:767)
| [  338.478756][ T8940] Preemption disabled at:
| [  338.478757][ T8940] vprintk_emit (kernel/printk/printk.c:2471)
| [  338.478766][ T8940] Tainted: [W]=WARN
[  338.478767][ T8940] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[  338.478769][ T8940] Call Trace:
[  338.478771][ T8940]  <TASK>
[  338.478773][ T8940]  dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120)
[  338.478780][ T8940]  ? vprintk_emit (kernel/printk/printk.c:2471)
[  338.478782][ T8940]  __might_resched.cold (kernel/sched/core.c:9234)
[  338.478788][ T8940]  ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3))
[  338.478792][ 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)
[  338.478797][ 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))
[  338.478799][ T8940]  ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[  338.478806][ 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)
[  338.478809][ T8940]  alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[  338.478813][ T8940]  put_chars (drivers/char/virtio_console.c:1176)
[  338.478816][ T8940]  ? __send_to_port (drivers/char/virtio_console.c:654)
[  338.478819][ T8940]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380)
[  338.478823][ T8940]  ? validate_chain (kernel/locking/lockdep.c:3817 (discriminator 2) kernel/locking/lockdep.c:3837 (discriminator 2) kernel/locking/lockdep.c:3892 (discriminator 2))
[  338.478828][ T8940]  hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2))
[  338.478833][ T8940]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[  338.478835][ T8940]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[  338.478841][ T8940]  ? hvc_write (drivers/tty/hvc/hvc_console.c:501)
[  338.478845][ T8940]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  338.478848][ T8940]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  338.478853][ T8940]  console_emit_next_record (kernel/printk/printk.c:3183)
[  338.478857][ T8940]  ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20)
[  338.478859][ 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))
[  338.478863][ T8940]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  338.478865][ T8940]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  338.478869][ T8940]  console_flush_one_record (kernel/printk/printk.c:3268)
[  338.478873][ T8940]  ? console_emit_next_record (kernel/printk/printk.c:3150)
[  338.478876][ T8940]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[  338.478882][ T8940]  console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420)
[  338.478885][ T8940]  ? console_flush_one_record (kernel/printk/printk.c:3316)
[  338.478887][ T8940]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  338.478889][ 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)
[  338.478894][ T8940]  ? __down_trylock_console_sem (kernel/printk/printk.c:334)
[  338.478896][ T8940]  ? vprintk_emit (kernel/printk/printk.c:2478)
[  338.478899][ T8940]  vprintk_emit (kernel/printk/printk.c:2479)
[  338.478902][ T8940]  ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126))
[  338.478909][ T8940]  _printk (kernel/printk/printk.c:2504)
[  338.478913][ T8940]  ? snapshot_read.cold (user.c:?)
[  338.478925][ T8940]  ? lockdep_rtnl_is_held (./include/linux/lockdep.h:249 net/core/rtnetlink.c:182)
[  338.478928][ T8940]  ? netdev_upper_get_next_dev_rcu (net/core/dev.c:8213 (discriminator 5))
[  338.478932][ 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)
[  338.478934][ T8940]  ? __netdev_update_features (net/core/dev.c:11078 (discriminator 2))
[  338.478936][ T8940]  ? netdev_name (./include/linux/netdevice.h:5709 (discriminator 1))
[  338.478940][ T8940]  ? __netdev_printk (net/core/dev.c:13148 (discriminator 2))
[  338.478945][ T8940]  netdev_info (net/core/dev.c:13195 (discriminator 3))
[  338.478948][ T8940]  ? netdev_notice (net/core/dev.c:13194)
[  338.478950][ T8940]  ? ovs_netdev_link (net/openvswitch/vport-netdev.c:85) openvswitch
[  338.478959][ 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)
[  338.478962][ T8940]  __dev_set_promiscuity.cold (net/core/dev.c:9672 (discriminator 3))
[  338.478966][ T8940]  netif_set_promiscuity (net/core/dev.c:9699)
[  338.478970][ T8940]  dev_set_promiscuity (net/core/dev_api.c:288)
[  338.478972][ T8940]  ? dev_disable_lro (net/core/dev_api.c:267)
[  338.478975][ T8940] ovs_netdev_link (net/openvswitch/vport-netdev.c:106) openvswitch
[  338.478981][ T8940] ovs_vport_add (net/openvswitch/vport.c:209) openvswitch
[  338.478986][ T8940] new_vport (net/openvswitch/datapath.c:203) openvswitch
[  338.478991][ 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
[  338.478995][ T8940] ovs_vport_cmd_new (net/openvswitch/datapath.c:2389) openvswitch
[  338.479002][ T8940]  ? ovs_vport_cmd_fill_info.isra.0 (./include/net/netlink.h:1107 (discriminator 1)) openvswitch
[  338.479006][ T8940]  ? __nla_validate_parse (lib/nlattr.c:635)
[  338.479013][ T8940]  ? __nla_parse (lib/nlattr.c:732)
[  338.479016][ T8940]  ? genl_family_rcv_msg_attrs_parse.isra.0 (./include/net/netlink.h:789 (discriminator 2) net/netlink/genetlink.c:944 (discriminator 2))
[  338.479021][ T8940]  genl_family_rcv_msg_doit (net/netlink/genetlink.c:1114)
[  338.479025][ T8940]  ? genl_family_rcv_msg_attrs_parse.isra.0 (./include/net/netlink.h:785 (discriminator 2))
[  338.479034][ T8940]  ? security_capable (security/security.c:660 (discriminator 11))
[  338.479039][ T8940]  genl_family_rcv_msg (net/netlink/genetlink.c:1194)
[  338.479043][ T8940]  ? genl_family_rcv_msg_dumpit (net/netlink/genetlink.c:1079)
[  338.479046][ T8940]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380)
[  338.479049][ T8940]  ? ovs_vport_cmd_fill_info.isra.0 (./include/net/netlink.h:1107 (discriminator 1)) openvswitch
[  338.479053][ T8940]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[  338.479059][ T8940]  genl_rcv_msg (net/netlink/genetlink.c:1209)
[  338.479063][ T8940]  netlink_rcv_skb (net/netlink/af_netlink.c:2556)
[  338.479066][ T8940]  ? genl_family_rcv_msg (net/netlink/genetlink.c:1136 (discriminator 2))
[  338.479069][ T8940]  ? netlink_ack (./include/linux/skbuff.h:2718)
[  338.479077][ 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))
[  338.479080][ 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))
[  338.479085][ T8940]  genl_rcv (net/netlink/genetlink.c:1218)
[  338.479088][ T8940]  netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[  338.479092][ T8940]  ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[  338.479097][ T8940]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[  338.479100][ T8940]  netlink_sendmsg (net/netlink/af_netlink.c:1900)
[  338.479105][ T8940]  ? netlink_unicast (./include/net/net_namespace.h:422 (discriminator 7))
[  338.479107][ T8940]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[  338.479110][ T8940]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554)
[  338.479115][ T8940]  __sock_sendmsg (net/socket.c:800 (discriminator 4) net/socket.c:815 (discriminator 4))
[  338.479118][ T8940]  ? fdget (fs/file.c:1200 fs/file.c:1208)
[  338.479123][ T8940]  __sys_sendto (net/socket.c:2281)
[  338.479126][ T8940]  ? __ia32_sys_getpeername (net/socket.c:2235)
[  338.479132][ T8940]  ? do_futex (kernel/futex/syscalls.c:138)
[  338.479136][ T8940]  ? __ia32_sys_get_robust_list (kernel/futex/syscalls.c:94)
[  338.479143][ T8940]  ? exc_page_fault (arch/x86/mm/fault.c:1483 arch/x86/mm/fault.c:1536)
[  338.479145][ T8940]  ? do_futex (kernel/futex/syscalls.c:153 (discriminator 1))
[  338.479149][ T8940]  __x64_sys_sendto (net/socket.c:2288 net/socket.c:2284 net/socket.c:2284)
[  338.479152][ T8940]  ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22))
[  338.479155][ T8940]  ? lockdep_hardirqs_on (kernel/locking/lockdep.c:4488)
[  338.479157][ T8940]  ? do_syscall_64 (arch/x86/entry/syscall_64.c:81 (discriminator 44))
[  338.479160][ T8940]  do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84)
[  338.479162][ T8940]  ? exc_page_fault (arch/x86/mm/fault.c:1489 (discriminator 3) arch/x86/mm/fault.c:1536 (discriminator 3))
[  338.479165][ T8940]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[  338.479167][ T8940] RIP: 0033:0x7f8c9e25d312
[  338.479171][ 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)
[  338.479173][ T8940] RSP: 002b:00007fff1ee40a28 EFLAGS: 00000246 ORIG_RAX: 000000000000002c
[  338.479176][ T8940] RAX: ffffffffffffffda RBX: 00007fff1ee40b58 RCX: 00007f8c9e25d312
[  338.479178][ T8940] RDX: 0000000000000034 RSI: 00007f8c9850ee30 RDI: 0000000000000023
[  338.479179][ T8940] RBP: 00007fff1ee40a50 R08: 00007fff1ee40bd0 R09: 000000000000000c
[  338.479180][ T8940] R10: 0000000000000000 R11: 0000000000000246 R12: 00007f8c9c0ba190
[  338.479181][ T8940] R13: 00007fff1ee40b58 R14: 00007f8c9db7c01a R15: 00007fff1ee40f48
| [  338.513095][    C0]
| [  338.513096][    C0]
| [  338.513096][    C0] stack backtrace:
| [  338.513102][    C0] Tainted: [W]=WARN
[  338.513103][    C0] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[  338.513104][    C0] Call Trace:
[  338.513106][    C0]  <IRQ>
[  338.513107][    C0]  dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120)
[  338.513112][    C0]  print_irq_inversion_bug.part.0.cold (kernel/locking/lockdep.c:4141)
[  338.513114][    C0]  mark_lock_irq (kernel/locking/lockdep.c:4095 kernel/locking/lockdep.c:4174 kernel/locking/lockdep.c:4310)
[  338.513116][    C0]  ? add_lock_to_list (./include/linux/find.h:391 kernel/locking/lockdep.c:1419 kernel/locking/lockdep.c:1450)
[  338.513119][    C0]  mark_lock (kernel/locking/lockdep.c:4769)
[  338.513121][    C0]  mark_usage (kernel/locking/lockdep.c:4658)
[  338.513123][    C0]  __lock_acquire (kernel/locking/lockdep.c:5208)
[  338.513126][    C0]  lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2))
[  338.513128][    C0]  ? console_trylock_spinning (kernel/printk/printk.c:2026 (discriminator 2))
[  338.513130][    C0]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  338.513132][    C0]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  338.513135][    C0]  console_trylock_spinning (kernel/printk/printk.c:2026 (discriminator 2))
[  338.513136][    C0]  ? console_trylock_spinning (kernel/printk/printk.c:2026 (discriminator 2))
[  338.513138][    C0]  vprintk_emit (kernel/printk/printk.c:2478)
[  338.513140][    C0]  ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126))
[  338.513142][    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))
[  338.513144][    C0]  _printk (kernel/printk/printk.c:2504)
[  338.513146][    C0]  ? snapshot_read.cold (user.c:?)
[  338.513148][    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))
[  338.513150][    C0]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554)
[  338.513153][    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))
[  338.513154][    C0]  ? clocksource_watchdog.part.0 (./include/linux/find.h:67 (discriminator 4))
[  338.513156][    C0]  ? clocksource_watchdog.part.0 (./include/linux/find.h:67 (discriminator 4))
[  338.513158][    C0]  call_timer_fn (kernel/time/timer.c:1748)
[  338.513160][    C0]  ? detach_if_pending (./include/linux/list.h:1159)
[  338.513162][    C0]  ? debug_object_active_state (lib/debugobjects.c:1122)
[  338.513165][    C0]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[  338.513168][    C0]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554)
[  338.513170][    C0]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  338.513171][    C0]  __run_timers (kernel/time/timer.c:1799 kernel/time/timer.c:2374)
[  338.513173][    C0]  ? clocksource_watchdog.part.0 (./include/linux/find.h:67 (discriminator 4))
[  338.513176][    C0]  ? __bpf_trace_itimer_expire (./include/trace/events/timer.h:407)
[  338.513178][    C0]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[  338.513181][    C0]  ? __rwlock_init (kernel/locking/spinlock_debug.c:48)
[  338.513184][    C0]  run_timer_softirq (kernel/time/timer.c:2386 kernel/time/timer.c:2395 kernel/time/timer.c:2403)
[  338.513186][    C0]  ? __run_timers (./include/trace/events/timer.h:138 (discriminator 19))
[  338.513188][    C0]  ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22))
[  338.513191][    C0]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  338.513193][    C0]  handle_softirqs (kernel/softirq.c:645)
[  338.513195][    C0]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554)
[  338.513197][    C0]  ? _local_bh_enable (kernel/softirq.c:428 (discriminator 1))
[  338.513199][    C0]  __irq_exit_rcu (kernel/softirq.c:679 kernel/softirq.c:519 kernel/softirq.c:767)
[  338.513201][    C0]  irq_exit_rcu (kernel/softirq.c:784)
[  338.513202][    C0]  sysvec_apic_timer_interrupt (arch/x86/kernel/apic/apic.c:1062 (discriminator 37) arch/x86/kernel/apic/apic.c:1062 (discriminator 37))
[  338.513204][    C0]  </IRQ>
[  338.513205][    C0]  <TASK>
[  338.513205][    C0]  ? lockdep_hardirqs_on_prepare.part.0 (kernel/locking/lockdep.c:470 (discriminator 2) kernel/locking/lockdep.c:4427 (discriminator 2))
[  338.513207][    C0]  asm_sysvec_apic_timer_interrupt (./arch/x86/include/asm/idtentry.h:674)
[  338.513209][    C0] RIP: 0010:pv_native_safe_halt (./arch/x86/include/asm/irqflags.h:48 arch/x86/kernel/paravirt.c:63)
[  338.513212][    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
[  338.513214][    C0] RSP: 0018:ffffffffbc807cf8 EFLAGS: 00000296
[  338.513216][    C0] RAX: 0000000001120213 RBX: ffffffffbc830600 RCX: ffffffffb8f06247
[  338.513218][    C0] RDX: ffffffffbc830600 RSI: ffffffffbc111011 RDI: ffffffffbba949e0
[  338.513219][    C0] RBP: 0000000000000000 R08: 0000000000000000 R09: 0000000000000000
[  338.513220][    C0] R10: 0000000000000000 R11: 0000000000000001 R12: 1ffffffff7900fa2
[  338.513221][    C0] R13: 0000000000000000 R14: dffffc0000000000 R15: 0000000000014770
[  338.513222][    C0]  ? cpuidle_idle_call.constprop.0 (kernel/sched/idle.c:199)
[  338.513225][    C0]  ? lockdep_hardirqs_on (kernel/locking/lockdep.c:4488)
[  338.513227][    C0]  default_idle (./arch/x86/include/asm/paravirt.h:62 arch/x86/kernel/process.c:768)
[  338.513228][    C0]  default_idle_call (kernel/sched/idle.c:122)
[  338.513230][    C0]  cpuidle_idle_call.constprop.0 (kernel/sched/idle.c:199)
[  338.513232][    C0]  ? arch_cpu_idle_exit+0x40/0x40
[  338.513234][    C0]  ? mark_tsc_async_resets (arch/x86/kernel/tsc_sync.c:49)
[  338.513237][    C0]  ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22))
[  338.513238][    C0]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  338.513240][    C0]  do_idle (kernel/sched/idle.c:355)
[  338.513241][    C0]  cpu_startup_entry (kernel/sched/idle.c:454)
[  338.513243][    C0]  rest_init (init/main.c:727)
[  338.513245][    C0]  ? __cpuidle_text_end (??:?)
[  338.513248][    C0]  ? rest_init (init/main.c:727)
[  338.513250][    C0]  ? acpi_hw_set_mode (drivers/acpi/acpica/hwacpi.c:72 (discriminator 1))
[  338.513253][    C0]  ? cpus_read_unlock (./include/linux/percpu-rwsem.h:125 (discriminator 1) kernel/cpu.c:502 (discriminator 1))
[  338.513255][    C0]  ? acpi_enable (drivers/acpi/acpica/evxfevnt.c:47)
[  338.513257][    C0]  start_kernel (init/main.c:1185)
[  338.513259][    C0]  x86_64_start_reservations (arch/x86/kernel/head64.c:310)
[  338.513261][    C0]  x86_64_start_kernel (arch/x86/kernel/head64.c:291)
[  338.513263][    C0]  common_startup_64 (arch/x86/kernel/head_64.S:418)
| [  345.349792][   T71] softirqs last disabled at (8660322): __fib6_clean_all (./include/linux/spinlock.h:353 net/ipv6/ip6_fib.c:2323)
| [  345.349795][   T71] Preemption disabled at:
| [  345.349796][   T71] vprintk_emit (kernel/printk/printk.c:2471)
| [  345.349807][   T71] Tainted: [W]=WARN
[  345.349808][   T71] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[  345.349810][   T71] Workqueue: netns cleanup_net
[  345.349816][   T71] Call Trace:
[  345.349817][   T71]  <TASK>
[  345.349819][   T71]  dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120)
[  345.349825][   T71]  ? vprintk_emit (kernel/printk/printk.c:2471)
[  345.349827][   T71]  __might_resched.cold (kernel/sched/core.c:9234)
[  345.349830][   T71]  ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3))
[  345.349834][   T71]  ? prb_next_reserve_seq (kernel/printk/printk_ringbuffer.c:2128)
[  345.349836][   T71]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  345.349839][   T71]  __kmalloc_noprof (./include/linux/sched/mm.h:322 (discriminator 2) mm/slub.c:4636 (discriminator 2) mm/slub.c:4974 (discriminator 2) mm/slub.c:5413 (discriminator 2) mm/slub.c:5439 (discriminator 2))
[  345.349842][   T71]  ? __rwlock_init (kernel/locking/spinlock_debug.c:48)
[  345.349845][   T71]  ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[  345.349850][   T71]  ? do_raw_spin_unlock (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:32 ./include/asm-generic/qspinlock.h:58 kernel/locking/spinlock_debug.c:101 kernel/locking/spinlock_debug.c:141)
[  345.349852][   T71]  alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[  345.349854][   T71]  put_chars (drivers/char/virtio_console.c:1176)
[  345.349856][   T71]  ? prb_final_commit (kernel/printk/printk_ringbuffer.c:1842)
[  345.349858][   T71]  ? __send_to_port (drivers/char/virtio_console.c:654)
[  345.349859][   T71]  ? printk_get_next_message (kernel/printk/printk.c:3072)
[  345.349862][   T71]  hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2))
[  345.349867][   T71]  ? hvc_write (drivers/tty/hvc/hvc_console.c:501)
[  345.349869][   T71]  ? 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)
[  345.349871][   T71]  ? vsnprintf (lib/vsprintf.c:2953 (discriminator 1))
[  345.349873][   T71]  ? __rwlock_init (kernel/locking/spinlock_debug.c:48)
[  345.349875][   T71]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  345.349877][   T71]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  345.349879][   T71]  console_emit_next_record (kernel/printk/printk.c:3183)
[  345.349882][   T71]  ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20)
[  345.349884][   T71]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  345.349885][   T71]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  345.349886][   T71]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  345.349887][   T71]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  345.349889][   T71]  ? console_flush_one_record (kernel/printk/printk.c:3247)
[  345.349891][   T71]  console_flush_one_record (kernel/printk/printk.c:3268)
[  345.349894][   T71]  ? console_emit_next_record (kernel/printk/printk.c:3150)
[  345.349897][   T71]  console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420)
[  345.349899][   T71]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  345.349900][   T71]  ? console_flush_one_record (kernel/printk/printk.c:3316)
[  345.349902][   T71]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  345.349903][   T71]  ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22))
[  345.349905][   T71]  ? 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)
[  345.349907][   T71]  ? __rcu_read_lock (kernel/rcu/tree_plugin.h:391 (discriminator 6))
[  345.349908][   T71]  ? __down_trylock_console_sem (kernel/printk/printk.c:334)
[  345.349910][   T71]  ? vprintk_emit (kernel/printk/printk.c:2478)
[  345.349912][   T71]  vprintk_emit (kernel/printk/printk.c:2479)
[  345.349913][   T71]  ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126))
[  345.349915][   T71]  ? net_disable_timestamp (./include/linux/workqueue.h:761)
[  345.349917][   T71]  ? net_generic (./include/linux/rcupdate.h:882 ./include/net/netns/generic.h:48) vxlan
[  345.349924][   T71]  _printk (kernel/printk/printk.c:2504)
[  345.349927][   T71]  ? snapshot_read.cold (user.c:?)
[  345.349930][   T71]  ? netdev_name (./include/linux/netdevice.h:5709 (discriminator 1))
[  345.349933][   T71]  ? __netdev_printk (net/core/dev.c:13148 (discriminator 2))
[  345.349936][   T71]  netdev_info (net/core/dev.c:13195 (discriminator 3))
[  345.349938][   T71]  ? netdev_notice (net/core/dev.c:13194)
[  345.349940][   T71]  ? __netdev_upper_dev_unlink (net/core/dev.c:9094)
[  345.349942][   T71]  ? synchronize_rcu_expedited (kernel/rcu/tree_exp.h:985)
[  345.349945][   T71]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  345.349947][   T71]  ? 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)
[  345.349948][   T71]  __dev_set_promiscuity.cold (net/core/dev.c:9672 (discriminator 3))
[  345.349951][   T71]  netif_set_promiscuity (net/core/dev.c:9699)
[  345.349954][   T71]  dev_set_promiscuity (net/core/dev_api.c:288)
[  345.349955][   T71]  ? rtnl_is_locked (net/core/rtnetlink.c:169)
[  345.349958][   T71] ovs_netdev_detach_dev (net/openvswitch/vport-netdev.c:174) openvswitch
[  345.349964][   T71] dp_device_event (net/openvswitch/dp_notify.c:74) openvswitch
[  345.349978][   T71]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  345.349980][   T71]  notifier_call_chain (kernel/notifier.c:85)
[  345.349983][   T71]  unregister_netdevice_many_notify (net/core/dev.c:2313 net/core/dev.c:2327 net/core/dev.c:12518)
[  345.349985][   T71]  ? unregister_netdevice_queued (./include/linux/list.h:419 (discriminator 3))
[  345.349987][   T71]  ? get_rps_cpu (net/core/dev.c:5240)
[  345.349990][   T71]  default_device_exit_batch (net/core/dev.c:12589 net/core/dev.c:13288)
[  345.349991][   T71]  ? __mutex_unlock_slowpath (./include/linux/preempt.h:500 (discriminator 1) kernel/locking/mutex.c:999 (discriminator 1))
[  345.349993][   T71]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  345.349995][   T71]  ? unregister_netdevice_queue (./include/linux/list.h:173)
[  345.349996][   T71]  ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3))
[  345.349998][   T71]  ? fou_exit_net (net/ipv4/fou_core.c:1228)
[  345.350001][   T71]  ops_undo_list (net/core/net_namespace.c:206 net/core/net_namespace.c:253)
[  345.350004][   T71]  ? netns_install (./include/linux/ns_common.h:26)
[  345.350005][   T71]  ? idr_destroy (lib/radix-tree.c:310 lib/radix-tree.c:674 lib/radix-tree.c:1563)
[  345.350008][   T71]  cleanup_net (net/core/net_namespace.c:706)
[  345.350010][   T71]  ? net_passive_dec (./include/linux/llist.h:241)
[  345.350012][   T71]  ? update_load_avg (kernel/sched/fair.c:5864)
[  345.350015][   T71]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  345.350017][   T71]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  345.350018][   T71]  process_one_work (kernel/workqueue.c:3387)
[  345.350023][   T71]  ? __queue_delayed_work (kernel/workqueue.c:2622)
[  345.350025][   T71]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[  345.350027][   T71]  ? __rwlock_init (kernel/locking/spinlock_debug.c:48)
[  345.350029][   T71]  worker_thread (kernel/workqueue.c:3470 kernel/workqueue.c:3551)
[  345.350032][   T71]  ? rescuer_thread (./include/linux/list.h:419 (discriminator 3))
[  345.350034][   T71]  ? __kthread_parkme (./include/linux/instrumented.h:82 ./include/asm-generic/bitops/instrumented-non-atomic.h:141 kernel/kthread.c:272)
[  345.350036][   T71]  ? rescuer_thread (./include/linux/list.h:419 (discriminator 3))
[  345.350038][   T71]  ? rescuer_thread (./include/linux/list.h:419 (discriminator 3))
[  345.350043][   T71]  kthread (kernel/kthread.c:436)
[  345.350045][   T71]  ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22))
[  345.350048][   T71]  ? kthread_affine_preferred (kernel/kthread.c:857)
[  345.350050][   T71]  ret_from_fork (arch/x86/kernel/process.c:158)
[  345.350053][   T71]  ? arch_exit_to_user_mode_prepare.isra.0 (arch/x86/entry/vdso/vma.c:80 (discriminator 1))
[  345.350056][   T71]  ? __switch_to (arch/x86/kernel/process_64.c:403 arch/x86/kernel/process_64.c:663)
[  345.350059][   T71]  ? kthread_affine_preferred (kernel/kthread.c:857)
[  345.350061][   T71]  ret_from_fork_asm (arch/x86/entry/entry_64.S:245)
| [  347.167039][ T9166] softirqs last disabled at (0): 0x0
| [  347.167041][ T9166] Preemption disabled at:
| [  347.167041][ T9166] vprintk_emit (kernel/printk/printk.c:2471)
| [  347.167052][ T9166] Tainted: [W]=WARN
[  347.167053][ T9166] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[  347.167055][ T9166] Call Trace:
[  347.167057][ T9166]  <TASK>
[  347.167058][ T9166]  dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120)
[  347.167064][ T9166]  ? vprintk_emit (kernel/printk/printk.c:2471)
[  347.167065][ T9166]  __might_resched.cold (kernel/sched/core.c:9234)
[  347.167069][ T9166]  ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3))
[  347.167072][ T9166]  ? __asan_memcpy (mm/kasan/shadow.c:106 (discriminator 1))
[  347.167076][ T9166]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  347.167079][ 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))
[  347.167081][ T9166]  ? __rwlock_init (kernel/locking/spinlock_debug.c:48)
[  347.167085][ T9166]  ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[  347.167090][ 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)
[  347.167092][ T9166]  alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[  347.167095][ T9166]  put_chars (drivers/char/virtio_console.c:1176)
[  347.167097][ T9166]  ? __send_to_port (drivers/char/virtio_console.c:654)
[  347.167098][ T9166]  ? console_prepend_replay (kernel/printk/printk.c:3005)
[  347.167101][ T9166]  hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2))
[  347.167106][ T9166]  ? hvc_write (drivers/tty/hvc/hvc_console.c:501)
[  347.167108][ T9166]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  347.167110][ T9166]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  347.167112][ T9166]  console_emit_next_record (kernel/printk/printk.c:3183)
[  347.167115][ T9166]  ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20)
[  347.167118][ T9166]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  347.167119][ T9166]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  347.167120][ T9166]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  347.167121][ T9166]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  347.167123][ T9166]  ? console_flush_one_record (kernel/printk/printk.c:3247)
[  347.167125][ T9166]  console_flush_one_record (kernel/printk/printk.c:3268)
[  347.167127][ T9166]  ? console_emit_next_record (kernel/printk/printk.c:3150)
[  347.167130][ T9166]  console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420)
[  347.167132][ T9166]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  347.167134][ T9166]  ? console_flush_one_record (kernel/printk/printk.c:3316)
[  347.167136][ T9166]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  347.167137][ T9166]  ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22))
[  347.167139][ 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)
[  347.167140][ T9166]  ? __rcu_read_lock (kernel/rcu/tree_plugin.h:391 (discriminator 6))
[  347.167142][ T9166]  ? __down_trylock_console_sem (kernel/printk/printk.c:334)
[  347.167144][ T9166]  ? vprintk_emit (kernel/printk/printk.c:2478)
[  347.167146][ T9166]  vprintk_emit (kernel/printk/printk.c:2479)
[  347.167147][ T9166]  ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126))
[  347.167149][ T9166]  ? entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[  347.167152][ T9166]  _printk (kernel/printk/printk.c:2504)
[  347.167155][ T9166]  ? snapshot_read.cold (user.c:?)
[  347.167157][ T9166]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  347.167158][ T9166]  ? netdev_name (./include/linux/netdevice.h:5709 (discriminator 1))
[  347.167162][ T9166]  ? __netdev_printk (net/core/dev.c:13148 (discriminator 2))
[  347.167164][ T9166]  netdev_info (net/core/dev.c:13195 (discriminator 3))
[  347.167166][ T9166]  ? netdev_notice (net/core/dev.c:13194)
[  347.167168][ T9166]  ? internal_dev_destroy (net/openvswitch/vport-internal_dev.c:178) openvswitch
[  347.167175][ T9166]  ? ww_mutex_lock (kernel/locking/mutex.c:934)
[  347.167179][ 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)
[  347.167180][ T9166]  __dev_set_promiscuity.cold (net/core/dev.c:9672 (discriminator 3))
[  347.167183][ T9166]  netif_set_promiscuity (net/core/dev.c:9699)
[  347.167187][ T9166]  dev_set_promiscuity (net/core/dev_api.c:288)
[  347.167189][ T9166] internal_dev_destroy (net/openvswitch/vport-internal_dev.c:179) openvswitch
[  347.167194][ T9166] __dp_destroy (net/openvswitch/datapath.c:1969 (discriminator 1)) openvswitch
[  347.167200][ T9166] ovs_dp_cmd_del (net/openvswitch/datapath.c:2003) openvswitch
[  347.167204][ T9166]  genl_family_rcv_msg_doit (net/netlink/genetlink.c:1114)
[  347.167208][ T9166]  ? genl_family_rcv_msg_attrs_parse.isra.0 (./include/net/netlink.h:785 (discriminator 2))
[  347.167212][ T9166]  ? security_capable (security/security.c:660 (discriminator 11))
[  347.167215][ T9166]  genl_family_rcv_msg (net/netlink/genetlink.c:1194)
[  347.167217][ T9166]  ? genl_family_rcv_msg_dumpit (net/netlink/genetlink.c:1079)
[  347.167220][ 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
[  347.167223][ T9166]  ? filter_irq_stacks (kernel/stacktrace.c:402)
[  347.167227][ T9166]  ? stack_depot_save_flags (lib/stackdepot.c:609 lib/stackdepot.c:676)
[  347.167230][ T9166]  genl_rcv_msg (net/netlink/genetlink.c:1209)
[  347.167232][ T9166]  netlink_rcv_skb (net/netlink/af_netlink.c:2556)
[  347.167234][ T9166]  ? genl_family_rcv_msg (net/netlink/genetlink.c:1136 (discriminator 2))
[  347.167237][ T9166]  ? netlink_ack (./include/linux/skbuff.h:2718)
[  347.167240][ T9166]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  347.167241][ T9166]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  347.167243][ T9166]  ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22))
[  347.167245][ T9166]  genl_rcv (net/netlink/genetlink.c:1218)
[  347.167247][ T9166]  netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[  347.167249][ T9166]  ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[  347.167251][ T9166]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  347.167253][ T9166]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  347.167254][ T9166]  ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22))
[  347.167256][ T9166]  netlink_sendmsg (net/netlink/af_netlink.c:1900)
[  347.167258][ T9166]  ? netlink_unicast (./include/net/net_namespace.h:422 (discriminator 7))
[  347.167260][ T9166]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  347.167262][ T9166]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  347.167264][ T9166]  __sock_sendmsg (net/socket.c:800 (discriminator 4) net/socket.c:815 (discriminator 4))
[  347.167267][ T9166]  ? fdget (fs/file.c:1200 fs/file.c:1208)
[  347.167270][ T9166]  __sys_sendto (net/socket.c:2281)
[  347.167272][ T9166]  ? __ia32_sys_getpeername (net/socket.c:2235)
[  347.167274][ T9166]  ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22))
[  347.167276][ T9166]  ? do_futex (kernel/futex/syscalls.c:138)
[  347.167279][ T9166]  ? __ia32_sys_get_robust_list (kernel/futex/syscalls.c:94)
[  347.167282][ T9166]  ? do_futex (kernel/futex/syscalls.c:153 (discriminator 1))
[  347.167284][ T9166]  __x64_sys_sendto (net/socket.c:2288 net/socket.c:2284 net/socket.c:2284)
[  347.167285][ T9166]  ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22))
[  347.167288][ T9166]  ? trace_hardirqs_off_finish (./include/trace/events/preemptirq.h:36 (discriminator 22) kernel/trace/trace_preemptirq.c:95 (discriminator 22) kernel/trace/trace_preemptirq.c:90 (discriminator 22))
[  347.167290][ T9166]  ? trace_hardirqs_on (kernel/trace/trace_preemptirq.c:78)
[  347.167292][ T9166]  do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84)
[  347.167294][ T9166]  ? exc_page_fault (arch/x86/mm/fault.c:1489 (discriminator 3) arch/x86/mm/fault.c:1536 (discriminator 3))
[  347.167296][ T9166]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[  347.167298][ T9166] RIP: 0033:0x7fe2c2516312
[  347.167300][ 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)
[  347.167302][ T9166] RSP: 002b:00007fff199432f8 EFLAGS: 00000246 ORIG_RAX: 000000000000002c
[  347.167306][ T9166] RAX: ffffffffffffffda RBX: 00007fff19943428 RCX: 00007fe2c2516312
[  347.167307][ T9166] RDX: 0000000000000024 RSI: 00007fe2be0ea670 RDI: 0000000000000020
[  347.167308][ T9166] RBP: 00007fff19943320 R08: 00007fff199434a0 R09: 000000000000000c
[  347.167309][ T9166] R10: 0000000000000000 R11: 0000000000000246 R12: 00007fe2c0379e10
[  347.167310][ T9166] R13: 00007fff19943428 R14: 00007fe2c1e3501a R15: 00007fff19943818
| [  349.287970][ T9274] softirqs last disabled at (0): 0x0
| [  349.287971][ T9274] Preemption disabled at:
| [  349.287972][ T9274] vprintk_emit (kernel/printk/printk.c:2471)
| [  349.287983][ T9274] Tainted: [W]=WARN
[  349.287984][ T9274] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[  349.287985][ T9274] Call Trace:
[  349.287987][ T9274]  <TASK>
[  349.287988][ T9274]  dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120)
[  349.287994][ T9274]  ? vprintk_emit (kernel/printk/printk.c:2471)
[  349.288002][ T9274]  __might_resched.cold (kernel/sched/core.c:9234)
[  349.288007][ T9274]  ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3))
[  349.288010][ T9274]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  349.288013][ T9274]  __kmalloc_noprof (./include/linux/sched/mm.h:322 (discriminator 2) mm/slub.c:4636 (discriminator 2) mm/slub.c:4974 (discriminator 2) mm/slub.c:5413 (discriminator 2) mm/slub.c:5439 (discriminator 2))
[  349.288016][ T9274]  ? __rwlock_init (kernel/locking/spinlock_debug.c:48)
[  349.288019][ T9274]  ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[  349.288024][ T9274]  ? do_raw_spin_unlock (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:32 ./include/asm-generic/qspinlock.h:58 kernel/locking/spinlock_debug.c:101 kernel/locking/spinlock_debug.c:141)
[  349.288026][ T9274]  alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[  349.288029][ T9274]  put_chars (drivers/char/virtio_console.c:1176)
[  349.288031][ T9274]  ? __send_to_port (drivers/char/virtio_console.c:654)
[  349.288032][ T9274]  ? printk_get_next_message (kernel/printk/printk.c:3072)
[  349.288035][ T9274]  hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2))
[  349.288040][ T9274]  ? hvc_write (drivers/tty/hvc/hvc_console.c:501)
[  349.288043][ T9274]  ? __rwlock_init (kernel/locking/spinlock_debug.c:48)
[  349.288045][ T9274]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  349.288046][ T9274]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  349.288049][ T9274]  console_emit_next_record (kernel/printk/printk.c:3183)
[  349.288052][ T9274]  ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20)
[  349.288054][ T9274]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  349.288055][ T9274]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  349.288056][ T9274]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  349.288057][ T9274]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  349.288059][ T9274]  ? console_flush_one_record (kernel/printk/printk.c:3247)
[  349.288061][ T9274]  console_flush_one_record (kernel/printk/printk.c:3268)
[  349.288064][ T9274]  ? console_emit_next_record (kernel/printk/printk.c:3150)
[  349.288067][ T9274]  console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420)
[  349.288068][ T9274]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  349.288070][ T9274]  ? console_flush_one_record (kernel/printk/printk.c:3316)
[  349.288072][ T9274]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  349.288073][ T9274]  ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22))
[  349.288075][ T9274]  ? 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)
[  349.288077][ T9274]  ? __rcu_read_lock (kernel/rcu/tree_plugin.h:391 (discriminator 6))
[  349.288078][ T9274]  ? __down_trylock_console_sem (kernel/printk/printk.c:334)
[  349.288080][ T9274]  ? vprintk_emit (kernel/printk/printk.c:2478)
[  349.288081][ T9274]  vprintk_emit (kernel/printk/printk.c:2479)
[  349.288083][ T9274]  ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126))
[  349.288084][ T9274]  ? do_raw_spin_trylock (./include/linux/instrumented.h:55 ./include/linux/atomic/atomic-instrumented.h:1301 ./include/asm-generic/qspinlock.h:98 kernel/locking/spinlock_debug.c:123)
[  349.288086][ T9274]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  349.288087][ T9274]  ? genl_family_rcv_msg (net/netlink/genetlink.c:1194)
[  349.288091][ T9274]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  349.288093][ T9274]  _printk (kernel/printk/printk.c:2504)
[  349.288096][ T9274]  ? snapshot_read.cold (user.c:?)
[  349.288098][ T9274]  ? ___ratelimit (lib/ratelimit.c:97 (discriminator 3))
[  349.288102][ T9274]  ? idr_get_free (??:?)
[  349.288104][ T9274]  ? trace_irq_enable.constprop.0 (./include/linux/instrumented.h:82 ./include/asm-generic/bitops/instrumented-non-atomic.h:141 ./include/linux/cpumask.h:650 ./include/linux/cpumask.h:1232 ./include/trace/events/preemptirq.h:40)
[  349.288107][ T9274]  validate_nla.cold (lib/nlattr.c:414 (discriminator 4))
[  349.288115][ T9274]  ? nla_get_range_signed (lib/nlattr.c:270)
[  349.288119][ T9274]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  349.288121][ T9274]  ? trace_kmalloc (./include/trace/events/kmem.h:57 (discriminator 22))
[  349.288124][ T9274]  __nla_validate_parse (lib/nlattr.c:635)
[  349.288127][ T9274]  __nla_parse (lib/nlattr.c:732)
[  349.288129][ T9274]  genl_family_rcv_msg_attrs_parse.isra.0 (./include/net/netlink.h:789 (discriminator 2) net/netlink/genetlink.c:944 (discriminator 2))
[  349.288131][ T9274]  ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22))
[  349.288134][ T9274]  genl_family_rcv_msg_doit (net/netlink/genetlink.c:1092)
[  349.288136][ T9274]  ? genl_family_rcv_msg_attrs_parse.isra.0 (./include/net/netlink.h:785 (discriminator 2))
[  349.288139][ T9274]  ? security_capable (security/security.c:660 (discriminator 11))
[  349.288142][ T9274]  genl_family_rcv_msg (net/netlink/genetlink.c:1194)
[  349.288145][ T9274]  ? genl_family_rcv_msg_dumpit (net/netlink/genetlink.c:1079)
[  349.288148][ T9274]  ? ovs_dp_cmd_get (./include/net/net_namespace.h:422 (discriminator 7)) openvswitch
[  349.288155][ T9274]  ? filter_irq_stacks (kernel/stacktrace.c:402)
[  349.288158][ T9274]  ? stack_depot_save_flags (lib/stackdepot.c:609 lib/stackdepot.c:676)
[  349.288160][ T9274]  genl_rcv_msg (net/netlink/genetlink.c:1209)
[  349.288162][ T9274]  netlink_rcv_skb (net/netlink/af_netlink.c:2556)
[  349.288164][ T9274]  ? genl_family_rcv_msg (net/netlink/genetlink.c:1136 (discriminator 2))
[  349.288167][ T9274]  ? netlink_ack (./include/linux/skbuff.h:2718)
[  349.288169][ T9274]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  349.288171][ T9274]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  349.288172][ T9274]  ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22))
[  349.288174][ T9274]  genl_rcv (net/netlink/genetlink.c:1218)
[  349.288176][ T9274]  netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[  349.288179][ T9274]  ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[  349.288181][ T9274]  netlink_sendmsg (net/netlink/af_netlink.c:1900)
[  349.288183][ T9274]  ? netlink_unicast (./include/net/net_namespace.h:422 (discriminator 7))
[  349.288186][ T9274]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  349.288187][ T9274]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  349.288189][ T9274]  __sock_sendmsg (net/socket.c:800 (discriminator 4) net/socket.c:815 (discriminator 4))
[  349.288192][ T9274]  ? fdget (fs/file.c:1200 fs/file.c:1208)
[  349.288195][ T9274]  __sys_sendto (net/socket.c:2281)
[  349.288197][ T9274]  ? __ia32_sys_getpeername (net/socket.c:2235)
[  349.288202][ T9274]  ? fput_close_sync (fs/file_table.c:617)
[  349.288205][ T9274]  ? alloc_file_clone (fs/file_table.c:479)
[  349.288207][ T9274]  __x64_sys_sendto (net/socket.c:2288 net/socket.c:2284 net/socket.c:2284)
[  349.288209][ T9274]  ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22))
[  349.288210][ T9274]  ? trace_hardirqs_off_finish (./include/trace/events/preemptirq.h:36 (discriminator 22) kernel/trace/trace_preemptirq.c:95 (discriminator 22) kernel/trace/trace_preemptirq.c:90 (discriminator 22))
[  349.288212][ T9274]  ? trace_hardirqs_on (kernel/trace/trace_preemptirq.c:78)
[  349.288213][ T9274]  do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84)
[  349.288216][ T9274]  ? irq_exit_rcu (kernel/softirq.c:786)
[  349.288219][ T9274]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[  349.288221][ T9274] RIP: 0033:0x7f4683ac6312
[  349.288223][ T9274] 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)
[  349.288225][ T9274] RSP: 002b:00007fff2620ab98 EFLAGS: 00000246 ORIG_RAX: 000000000000002c
[  349.288229][ T9274] RAX: ffffffffffffffda RBX: 00007fff2620acc8 RCX: 00007f4683ac6312
[  349.288231][ T9274] RDX: 0000000000000044 RSI: 00007f4680642920 RDI: 0000000000000020
[  349.288232][ T9274] RBP: 00007fff2620abc0 R08: 00007fff2620ad40 R09: 000000000000000c
[  349.288233][ T9274] R10: 0000000000000000 R11: 0000000000000246 R12: 00007f468192a0b0
[  349.288234][ T9274] R13: 00007fff2620acc8 R14: 00007f46833e501a R15: 00007fff2620b0b8
| [  350.841036][ T9331] softirqs last disabled at (0): 0x0
| [  350.841038][ T9331] Preemption disabled at:
| [  350.841039][ T9331] vprintk_emit (kernel/printk/printk.c:2471)
| [  350.841049][ T9331] Tainted: [W]=WARN
[  350.841050][ T9331] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[  350.841052][ T9331] Call Trace:
[  350.841054][ T9331]  <TASK>
[  350.841055][ T9331]  dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120)
[  350.841061][ T9331]  ? vprintk_emit (kernel/printk/printk.c:2471)
[  350.841062][ T9331]  __might_resched.cold (kernel/sched/core.c:9234)
[  350.841066][ T9331]  ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3))
[  350.841070][ T9331]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  350.841073][ T9331]  __kmalloc_noprof (./include/linux/sched/mm.h:322 (discriminator 2) mm/slub.c:4636 (discriminator 2) mm/slub.c:4974 (discriminator 2) mm/slub.c:5413 (discriminator 2) mm/slub.c:5439 (discriminator 2))
[  350.841076][ T9331]  ? __rwlock_init (kernel/locking/spinlock_debug.c:48)
[  350.841079][ T9331]  ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[  350.841084][ T9331]  ? do_raw_spin_unlock (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:32 ./include/asm-generic/qspinlock.h:58 kernel/locking/spinlock_debug.c:101 kernel/locking/spinlock_debug.c:141)
[  350.841086][ T9331]  alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[  350.841089][ T9331]  put_chars (drivers/char/virtio_console.c:1176)
[  350.841090][ T9331]  ? __send_to_port (drivers/char/virtio_console.c:654)
[  350.841092][ T9331]  ? printk_get_next_message (kernel/printk/printk.c:3072)
[  350.841095][ T9331]  ? console_prepend_replay (kernel/printk/printk.c:3005)
[  350.841097][ T9331]  hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2))
[  350.841102][ T9331]  ? hvc_write (drivers/tty/hvc/hvc_console.c:501)
[  350.841105][ T9331]  ? __rwlock_init (kernel/locking/spinlock_debug.c:48)
[  350.841106][ T9331]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  350.841107][ T9331]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  350.841109][ T9331]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  350.841111][ T9331]  console_emit_next_record (kernel/printk/printk.c:3183)
[  350.841114][ T9331]  ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20)
[  350.841116][ T9331]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  350.841118][ T9331]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  350.841119][ T9331]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  350.841120][ T9331]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  350.841122][ T9331]  ? console_flush_one_record (kernel/printk/printk.c:3247)
[  350.841124][ T9331]  console_flush_one_record (kernel/printk/printk.c:3268)
[  350.841126][ T9331]  ? console_emit_next_record (kernel/printk/printk.c:3150)
[  350.841129][ T9331]  console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420)
[  350.841131][ T9331]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  350.841133][ T9331]  ? console_flush_one_record (kernel/printk/printk.c:3316)
[  350.841135][ T9331]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  350.841136][ T9331]  ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22))
[  350.841138][ T9331]  ? 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)
[  350.841139][ T9331]  ? __rcu_read_lock (kernel/rcu/tree_plugin.h:391 (discriminator 6))
[  350.841141][ T9331]  ? __down_trylock_console_sem (kernel/printk/printk.c:334)
[  350.841143][ T9331]  ? vprintk_emit (kernel/printk/printk.c:2478)
[  350.841145][ T9331]  vprintk_emit (kernel/printk/printk.c:2479)
[  350.841147][ T9331]  ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126))
[  350.841149][ T9331]  _printk (kernel/printk/printk.c:2504)
[  350.841152][ T9331]  ? snapshot_read.cold (user.c:?)
[  350.841154][ T9331]  ? rcu_read_lock_held (kernel/rcu/update.c:105 kernel/rcu/update.c:349)
[  350.841157][ T9331]  ? netdev_upper_get_next_dev_rcu (net/core/dev.c:8213 (discriminator 1))
[  350.841161][ T9331]  ? 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)
[  350.841162][ T9331]  ? __netdev_update_features (net/core/dev.c:11078 (discriminator 2))
[  350.841164][ T9331]  ? netdev_name (./include/linux/netdevice.h:5709 (discriminator 1))
[  350.841167][ T9331]  ? __netdev_printk (net/core/dev.c:13148 (discriminator 2))
[  350.841169][ T9331]  netdev_info (net/core/dev.c:13195 (discriminator 3))
[  350.841172][ T9331]  ? netdev_notice (net/core/dev.c:13194)
[  350.841174][ T9331]  ? ovs_netdev_link (net/openvswitch/vport-netdev.c:85) openvswitch
[  350.841182][ T9331]  ? 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)
[  350.841183][ T9331]  __dev_set_promiscuity.cold (net/core/dev.c:9672 (discriminator 3))
[  350.841186][ T9331]  netif_set_promiscuity (net/core/dev.c:9699)
[  350.841189][ T9331]  dev_set_promiscuity (net/core/dev_api.c:288)
[  350.841190][ T9331]  ? dev_disable_lro (net/core/dev_api.c:267)
[  350.841192][ T9331] ovs_netdev_link (net/openvswitch/vport-netdev.c:106) openvswitch
[  350.841196][ T9331] ovs_vport_add (net/openvswitch/vport.c:209) openvswitch
[  350.841200][ T9331]  ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22))
[  350.841202][ T9331] new_vport (net/openvswitch/datapath.c:203) openvswitch
[  350.841207][ T9331]  ? ovs_lookup_vport (net/openvswitch/datapath.c:190) openvswitch
[  350.841211][ T9331] ovs_vport_cmd_new (net/openvswitch/datapath.c:2389) openvswitch
[  350.841215][ T9331]  ? ovs_vport_cmd_fill_info.isra.0 (./include/net/netlink.h:1107 (discriminator 1)) openvswitch
[  350.841219][ T9331]  ? __nla_validate_parse (lib/nlattr.c:635)
[  350.841224][ T9331]  ? __nla_parse (lib/nlattr.c:732)
[  350.841226][ T9331]  ? genl_family_rcv_msg_attrs_parse.isra.0 (./include/net/netlink.h:789 (discriminator 2) net/netlink/genetlink.c:944 (discriminator 2))
[  350.841230][ T9331]  genl_family_rcv_msg_doit (net/netlink/genetlink.c:1114)
[  350.841232][ T9331]  ? genl_family_rcv_msg_attrs_parse.isra.0 (./include/net/netlink.h:785 (discriminator 2))
[  350.841236][ T9331]  ? security_capable (security/security.c:660 (discriminator 11))
[  350.841239][ T9331]  genl_family_rcv_msg (net/netlink/genetlink.c:1194)
[  350.841242][ T9331]  ? genl_family_rcv_msg_dumpit (net/netlink/genetlink.c:1079)
[  350.841244][ T9331]  ? ovs_vport_cmd_fill_info.isra.0 (./include/net/netlink.h:1107 (discriminator 1)) openvswitch
[  350.841248][ T9331]  ? filter_irq_stacks (kernel/stacktrace.c:402)
[  350.841251][ T9331]  ? stack_depot_save_flags (lib/stackdepot.c:609 lib/stackdepot.c:676)
[  350.841253][ T9331]  genl_rcv_msg (net/netlink/genetlink.c:1209)
[  350.841255][ T9331]  netlink_rcv_skb (net/netlink/af_netlink.c:2556)
[  350.841257][ T9331]  ? genl_family_rcv_msg (net/netlink/genetlink.c:1136 (discriminator 2))
[  350.841260][ T9331]  ? netlink_ack (./include/linux/skbuff.h:2718)
[  350.841263][ T9331]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  350.841265][ T9331]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  350.841266][ T9331]  ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22))
[  350.841269][ T9331]  genl_rcv (net/netlink/genetlink.c:1218)
[  350.841271][ T9331]  netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[  350.841273][ T9331]  ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[  350.841275][ T9331]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  350.841277][ T9331]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  350.841278][ T9331]  ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22))
[  350.841280][ T9331]  netlink_sendmsg (net/netlink/af_netlink.c:1900)
[  350.841282][ T9331]  ? netlink_unicast (./include/net/net_namespace.h:422 (discriminator 7))
[  350.841284][ T9331]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  350.841286][ T9331]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  350.841288][ T9331]  __sock_sendmsg (net/socket.c:800 (discriminator 4) net/socket.c:815 (discriminator 4))
[  350.841291][ T9331]  ? fdget (fs/file.c:1200 fs/file.c:1208)
[  350.841294][ T9331]  __sys_sendto (net/socket.c:2281)
[  350.841297][ T9331]  ? __ia32_sys_getpeername (net/socket.c:2235)
[  350.841299][ T9331]  ? do_futex (kernel/futex/syscalls.c:138)
[  350.841302][ T9331]  ? __ia32_sys_get_robust_list (kernel/futex/syscalls.c:94)
[  350.841305][ T9331]  ? do_futex (kernel/futex/syscalls.c:153 (discriminator 1))
[  350.841307][ T9331]  __x64_sys_sendto (net/socket.c:2288 net/socket.c:2284 net/socket.c:2284)
[  350.841309][ T9331]  ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22))
[  350.841313][ T9331]  ? trace_hardirqs_off_finish (./include/trace/events/preemptirq.h:36 (discriminator 22) kernel/trace/trace_preemptirq.c:95 (discriminator 22) kernel/trace/trace_preemptirq.c:90 (discriminator 22))
[  350.841315][ T9331]  ? trace_hardirqs_on (kernel/trace/trace_preemptirq.c:78)
[  350.841316][ T9331]  do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84)
[  350.841320][ T9331]  ? irq_exit_rcu (kernel/softirq.c:786)
[  350.841322][ T9331]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[  350.841324][ T9331] RIP: 0033:0x7efea83eb312
[  350.841327][ T9331] 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)
[  350.841329][ T9331] RSP: 002b:00007fffd58dc318 EFLAGS: 00000246 ORIG_RAX: 000000000000002c
[  350.841333][ T9331] RAX: ffffffffffffffda RBX: 00007fffd58dc448 RCX: 00007efea83eb312
[  350.841334][ T9331] RDX: 0000000000000034 RSI: 00007efe95e4ea30 RDI: 0000000000000023
[  350.841335][ T9331] RBP: 00007fffd58dc340 R08: 00007fffd58dc4c0 R09: 000000000000000c
[  350.841337][ T9331] R10: 0000000000000000 R11: 0000000000000246 R12: 00007efea624e190
[  350.841338][ T9331] R13: 00007fffd58dc448 R14: 00007efea7d0a01a R15: 00007fffd58dc838
| [  357.694133][   T71] softirqs last disabled at (8660322): __fib6_clean_all (./include/linux/spinlock.h:353 net/ipv6/ip6_fib.c:2323)
| [  357.694135][   T71] Preemption disabled at:
| [  357.694136][   T71] vprintk_emit (kernel/printk/printk.c:2471)
| [  357.694147][   T71] Tainted: [W]=WARN
[  357.694148][   T71] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[  357.694150][   T71] Workqueue: netns cleanup_net
[  357.694155][   T71] Call Trace:
[  357.694157][   T71]  <TASK>
[  357.694158][   T71]  dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120)
[  357.694164][   T71]  ? vprintk_emit (kernel/printk/printk.c:2471)
[  357.694166][   T71]  __might_resched.cold (kernel/sched/core.c:9234)
[  357.694169][   T71]  ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3))
[  357.694173][   T71]  ? prb_next_reserve_seq (kernel/printk/printk_ringbuffer.c:2128)
[  357.694175][   T71]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  357.694177][   T71]  __kmalloc_noprof (./include/linux/sched/mm.h:322 (discriminator 2) mm/slub.c:4636 (discriminator 2) mm/slub.c:4974 (discriminator 2) mm/slub.c:5413 (discriminator 2) mm/slub.c:5439 (discriminator 2))
[  357.694180][   T71]  ? __rwlock_init (kernel/locking/spinlock_debug.c:48)
[  357.694184][   T71]  ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[  357.694189][   T71]  ? do_raw_spin_unlock (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:32 ./include/asm-generic/qspinlock.h:58 kernel/locking/spinlock_debug.c:101 kernel/locking/spinlock_debug.c:141)
[  357.694190][   T71]  alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[  357.694193][   T71]  put_chars (drivers/char/virtio_console.c:1176)
[  357.694195][   T71]  ? prb_final_commit (kernel/printk/printk_ringbuffer.c:1842)
[  357.694196][   T71]  ? __send_to_port (drivers/char/virtio_console.c:654)
[  357.694198][   T71]  ? printk_get_next_message (kernel/printk/printk.c:3072)
[  357.694201][   T71]  hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2))
[  357.694206][   T71]  ? hvc_write (drivers/tty/hvc/hvc_console.c:501)
[  357.694208][   T71]  ? 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)
[  357.694210][   T71]  ? vsnprintf (lib/vsprintf.c:2953 (discriminator 1))
[  357.694213][   T71]  ? __rwlock_init (kernel/locking/spinlock_debug.c:48)
[  357.694215][   T71]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  357.694216][   T71]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  357.694219][   T71]  console_emit_next_record (kernel/printk/printk.c:3183)
[  357.694222][   T71]  ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20)
[  357.694224][   T71]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  357.694225][   T71]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  357.694226][   T71]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  357.694227][   T71]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  357.694229][   T71]  ? console_flush_one_record (kernel/printk/printk.c:3247)
[  357.694231][   T71]  console_flush_one_record (kernel/printk/printk.c:3268)
[  357.694234][   T71]  ? console_emit_next_record (kernel/printk/printk.c:3150)
[  357.694236][   T71]  console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420)
[  357.694238][   T71]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  357.694240][   T71]  ? console_flush_one_record (kernel/printk/printk.c:3316)
[  357.694242][   T71]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  357.694243][   T71]  ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22))
[  357.694245][   T71]  ? 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)
[  357.694246][   T71]  ? __rcu_read_lock (kernel/rcu/tree_plugin.h:391 (discriminator 6))
[  357.694248][   T71]  ? __down_trylock_console_sem (kernel/printk/printk.c:334)
[  357.694250][   T71]  ? vprintk_emit (kernel/printk/printk.c:2478)
[  357.694251][   T71]  vprintk_emit (kernel/printk/printk.c:2479)
[  357.694253][   T71]  ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126))
[  357.694255][   T71]  ? net_disable_timestamp (./include/linux/workqueue.h:761)
[  357.694257][   T71]  ? net_generic (./include/linux/rcupdate.h:882 ./include/net/netns/generic.h:48) vxlan
[  357.694264][   T71]  _printk (kernel/printk/printk.c:2504)
[  357.694267][   T71]  ? snapshot_read.cold (user.c:?)
[  357.694269][   T71]  ? netdev_name (./include/linux/netdevice.h:5709 (discriminator 1))
[  357.694273][   T71]  ? __netdev_printk (net/core/dev.c:13148 (discriminator 2))
[  357.694275][   T71]  netdev_info (net/core/dev.c:13195 (discriminator 3))
[  357.694278][   T71]  ? netdev_notice (net/core/dev.c:13194)
[  357.694279][   T71]  ? __netdev_upper_dev_unlink (net/core/dev.c:9094)
[  357.694282][   T71]  ? synchronize_rcu_expedited (kernel/rcu/tree_exp.h:985)
[  357.694285][   T71]  ? 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)
[  357.694287][   T71]  __dev_set_promiscuity.cold (net/core/dev.c:9672 (discriminator 3))
[  357.694289][   T71]  netif_set_promiscuity (net/core/dev.c:9699)
[  357.694292][   T71]  dev_set_promiscuity (net/core/dev_api.c:288)
[  357.694294][   T71]  ? rtnl_is_locked (net/core/rtnetlink.c:169)
[  357.694297][   T71] ovs_netdev_detach_dev (net/openvswitch/vport-netdev.c:174) openvswitch
[  357.694303][   T71] dp_device_event (net/openvswitch/dp_notify.c:74) openvswitch
[  357.694307][   T71]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  357.694309][   T71]  notifier_call_chain (kernel/notifier.c:85)
[  357.694312][   T71]  unregister_netdevice_many_notify (net/core/dev.c:2313 net/core/dev.c:2327 net/core/dev.c:12518)
[  357.694315][   T71]  ? unregister_netdevice_queued (./include/linux/list.h:419 (discriminator 3))
[  357.694316][   T71]  ? get_rps_cpu (net/core/dev.c:5240)
[  357.694319][   T71]  default_device_exit_batch (net/core/dev.c:12589 net/core/dev.c:13288)
[  357.694321][   T71]  ? __mutex_unlock_slowpath (./include/linux/preempt.h:500 (discriminator 1) kernel/locking/mutex.c:999 (discriminator 1))
[  357.694322][   T71]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  357.694324][   T71]  ? unregister_netdevice_queue (./include/linux/list.h:173)
[  357.694326][   T71]  ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3))
[  357.694328][   T71]  ? fou_exit_net (net/ipv4/fou_core.c:1228)
[  357.694331][   T71]  ops_undo_list (net/core/net_namespace.c:206 net/core/net_namespace.c:253)
[  357.694333][   T71]  ? netns_install (./include/linux/ns_common.h:26)
[  357.694335][   T71]  ? idr_destroy (lib/radix-tree.c:310 lib/radix-tree.c:674 lib/radix-tree.c:1563)
[  357.694338][   T71]  cleanup_net (net/core/net_namespace.c:706)
[  357.694340][   T71]  ? net_passive_dec (./include/linux/llist.h:241)
[  357.694341][   T71]  ? update_load_avg (kernel/sched/fair.c:5864)
[  357.694344][   T71]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  357.694346][   T71]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  357.694348][   T71]  process_one_work (kernel/workqueue.c:3387)
[  357.694352][   T71]  ? __queue_delayed_work (kernel/workqueue.c:2622)
[  357.694354][   T71]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[  357.694356][   T71]  ? __rwlock_init (kernel/locking/spinlock_debug.c:48)
[  357.694359][   T71]  worker_thread (kernel/workqueue.c:3470 kernel/workqueue.c:3551)
[  357.694361][   T71]  ? rescuer_thread (./include/linux/list.h:419 (discriminator 3))
[  357.694363][   T71]  ? __kthread_parkme (./include/linux/instrumented.h:82 ./include/asm-generic/bitops/instrumented-non-atomic.h:141 kernel/kthread.c:272)
[  357.694366][   T71]  ? rescuer_thread (./include/linux/list.h:419 (discriminator 3))
[  357.694368][   T71]  ? rescuer_thread (./include/linux/list.h:419 (discriminator 3))
[  357.694370][   T71]  kthread (kernel/kthread.c:436)
[  357.694372][   T71]  ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22))
[  357.694375][   T71]  ? kthread_affine_preferred (kernel/kthread.c:857)
[  357.694377][   T71]  ret_from_fork (arch/x86/kernel/process.c:158)
[  357.694380][   T71]  ? arch_exit_to_user_mode_prepare.isra.0 (arch/x86/entry/vdso/vma.c:80 (discriminator 1))
[  357.694382][   T71]  ? __switch_to (arch/x86/kernel/process_64.c:403 arch/x86/kernel/process_64.c:663)
[  357.694385][   T71]  ? kthread_affine_preferred (kernel/kthread.c:857)
[  357.694387][   T71]  ret_from_fork_asm (arch/x86/entry/entry_64.S:245)
| [  359.471948][ T9557] softirqs last disabled at (0): 0x0
| [  359.471950][ T9557] Preemption disabled at:
| [  359.471951][ T9557] vprintk_emit (kernel/printk/printk.c:2471)
| [  359.471961][ T9557] Tainted: [W]=WARN
[  359.471962][ T9557] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[  359.471964][ T9557] Call Trace:
[  359.471966][ T9557]  <TASK>
[  359.471967][ T9557]  dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120)
[  359.471973][ T9557]  ? vprintk_emit (kernel/printk/printk.c:2471)
[  359.471974][ T9557]  __might_resched.cold (kernel/sched/core.c:9234)
[  359.471979][ T9557]  ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3))
[  359.471982][ T9557]  ? __asan_memcpy (mm/kasan/shadow.c:106 (discriminator 1))
[  359.471985][ T9557]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  359.471988][ T9557]  __kmalloc_noprof (./include/linux/sched/mm.h:322 (discriminator 2) mm/slub.c:4636 (discriminator 2) mm/slub.c:4974 (discriminator 2) mm/slub.c:5413 (discriminator 2) mm/slub.c:5439 (discriminator 2))
[  359.471991][ T9557]  ? __rwlock_init (kernel/locking/spinlock_debug.c:48)
[  359.471994][ T9557]  ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[  359.471999][ T9557]  ? do_raw_spin_unlock (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:32 ./include/asm-generic/qspinlock.h:58 kernel/locking/spinlock_debug.c:101 kernel/locking/spinlock_debug.c:141)
[  359.472001][ T9557]  alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[  359.472004][ T9557]  put_chars (drivers/char/virtio_console.c:1176)
[  359.472005][ T9557]  ? __send_to_port (drivers/char/virtio_console.c:654)
[  359.472007][ T9557]  ? console_prepend_replay (kernel/printk/printk.c:3005)
[  359.472010][ T9557]  hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2))
[  359.472015][ T9557]  ? hvc_write (drivers/tty/hvc/hvc_console.c:501)
[  359.472017][ T9557]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  359.472018][ T9557]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  359.472021][ T9557]  console_emit_next_record (kernel/printk/printk.c:3183)
[  359.472023][ T9557]  ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20)
[  359.472026][ T9557]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  359.472027][ T9557]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  359.472028][ T9557]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  359.472029][ T9557]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  359.472031][ T9557]  ? console_flush_one_record (kernel/printk/printk.c:3247)
[  359.472033][ T9557]  console_flush_one_record (kernel/printk/printk.c:3268)
[  359.472036][ T9557]  ? console_emit_next_record (kernel/printk/printk.c:3150)
[  359.472038][ T9557]  console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420)
[  359.472040][ T9557]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  359.472042][ T9557]  ? console_flush_one_record (kernel/printk/printk.c:3316)
[  359.472044][ T9557]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  359.472045][ T9557]  ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22))
[  359.472047][ T9557]  ? 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)
[  359.472048][ T9557]  ? __rcu_read_lock (kernel/rcu/tree_plugin.h:391 (discriminator 6))
[  359.472050][ T9557]  ? __down_trylock_console_sem (kernel/printk/printk.c:334)
[  359.472052][ T9557]  ? vprintk_emit (kernel/printk/printk.c:2478)
[  359.472053][ T9557]  vprintk_emit (kernel/printk/printk.c:2479)
[  359.472055][ T9557]  ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126))
[  359.472056][ T9557]  ? entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[  359.472059][ T9557]  _printk (kernel/printk/printk.c:2504)
[  359.472062][ T9557]  ? snapshot_read.cold (user.c:?)
[  359.472064][ T9557]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  359.472066][ T9557]  ? netdev_name (./include/linux/netdevice.h:5709 (discriminator 1))
[  359.472069][ T9557]  ? __netdev_printk (net/core/dev.c:13148 (discriminator 2))
[  359.472077][ T9557]  netdev_info (net/core/dev.c:13195 (discriminator 3))
[  359.472080][ T9557]  ? netdev_notice (net/core/dev.c:13194)
[  359.472082][ T9557]  ? internal_dev_destroy (net/openvswitch/vport-internal_dev.c:178) openvswitch
[  359.472088][ T9557]  ? ww_mutex_lock (kernel/locking/mutex.c:934)
[  359.472092][ T9557]  ? 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)
[  359.472094][ T9557]  __dev_set_promiscuity.cold (net/core/dev.c:9672 (discriminator 3))
[  359.472097][ T9557]  netif_set_promiscuity (net/core/dev.c:9699)
[  359.472101][ T9557]  dev_set_promiscuity (net/core/dev_api.c:288)
[  359.472104][ T9557] internal_dev_destroy (net/openvswitch/vport-internal_dev.c:179) openvswitch
[  359.472108][ T9557] __dp_destroy (net/openvswitch/datapath.c:1969 (discriminator 1)) openvswitch
[  359.472114][ T9557] ovs_dp_cmd_del (net/openvswitch/datapath.c:2003) openvswitch
[  359.472118][ T9557]  genl_family_rcv_msg_doit (net/netlink/genetlink.c:1114)
[  359.472122][ T9557]  ? genl_family_rcv_msg_attrs_parse.isra.0 (./include/net/netlink.h:785 (discriminator 2))
[  359.472126][ T9557]  ? security_capable (security/security.c:660 (discriminator 11))
[  359.472129][ T9557]  genl_family_rcv_msg (net/netlink/genetlink.c:1194)
[  359.472131][ T9557]  ? genl_family_rcv_msg_dumpit (net/netlink/genetlink.c:1079)
[  359.472134][ T9557]  ? __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
[  359.472137][ T9557]  ? filter_irq_stacks (kernel/stacktrace.c:402)
[  359.472141][ T9557]  ? stack_depot_save_flags (lib/stackdepot.c:609 lib/stackdepot.c:676)
[  359.472144][ T9557]  genl_rcv_msg (net/netlink/genetlink.c:1209)
[  359.472146][ T9557]  netlink_rcv_skb (net/netlink/af_netlink.c:2556)
[  359.472148][ T9557]  ? genl_family_rcv_msg (net/netlink/genetlink.c:1136 (discriminator 2))
[  359.472150][ T9557]  ? netlink_ack (./include/linux/skbuff.h:2718)
[  359.472153][ T9557]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  359.472155][ T9557]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  359.472156][ T9557]  ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22))
[  359.472158][ T9557]  genl_rcv (net/netlink/genetlink.c:1218)
[  359.472161][ T9557]  netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[  359.472163][ T9557]  ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[  359.472165][ T9557]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  359.472167][ T9557]  netlink_sendmsg (net/netlink/af_netlink.c:1900)
[  359.472169][ T9557]  ? netlink_unicast (./include/net/net_namespace.h:422 (discriminator 7))
[  359.472171][ T9557]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  359.472173][ T9557]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  359.472175][ T9557]  __sock_sendmsg (net/socket.c:800 (discriminator 4) net/socket.c:815 (discriminator 4))
[  359.472178][ T9557]  ? fdget (fs/file.c:1200 fs/file.c:1208)
[  359.472181][ T9557]  __sys_sendto (net/socket.c:2281)
[  359.472183][ T9557]  ? __ia32_sys_getpeername (net/socket.c:2235)
[  359.472187][ T9557]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  359.472189][ T9557]  ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22))
[  359.472191][ T9557]  __x64_sys_sendto (net/socket.c:2288 net/socket.c:2284 net/socket.c:2284)
[  359.472193][ T9557]  ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22))
[  359.472196][ T9557]  ? trace_hardirqs_off_finish (./include/trace/events/preemptirq.h:36 (discriminator 22) kernel/trace/trace_preemptirq.c:95 (discriminator 22) kernel/trace/trace_preemptirq.c:90 (discriminator 22))
[  359.472197][ T9557]  ? trace_hardirqs_on (kernel/trace/trace_preemptirq.c:78)
[  359.472199][ T9557]  do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84)
[  359.472202][ T9557]  ? exc_page_fault (arch/x86/mm/fault.c:1489 (discriminator 3) arch/x86/mm/fault.c:1536 (discriminator 3))
[  359.472204][ T9557]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[  359.472205][ T9557] RIP: 0033:0x7f43a7531312
[  359.472207][ T9557] 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)
[  359.472209][ T9557] RSP: 002b:00007ffcc4a85698 EFLAGS: 00000246 ORIG_RAX: 000000000000002c
[  359.472213][ T9557] RAX: ffffffffffffffda RBX: 00007ffcc4a857c8 RCX: 00007f43a7531312
[  359.472215][ T9557] RDX: 0000000000000024 RSI: 00007f43a40a6310 RDI: 0000000000000020
[  359.472216][ T9557] RBP: 00007ffcc4a856c0 R08: 00007ffcc4a85840 R09: 000000000000000c
[  359.472216][ T9557] R10: 0000000000000000 R11: 0000000000000246 R12: 00007f43a538de10
[  359.472217][ T9557] R13: 00007ffcc4a857c8 R14: 00007f43a6e5001a R15: 00007ffcc4a85bb8
| [  361.545600][ T9652] softirqs last disabled at (0): 0x0
| [  361.545602][ T9652] Preemption disabled at:
| [  361.545603][ T9652] vprintk_emit (kernel/printk/printk.c:2471)
| [  361.545614][ T9652] Tainted: [W]=WARN
[  361.545615][ T9652] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[  361.545618][ T9652] Call Trace:
[  361.545619][ T9652]  <TASK>
[  361.545620][ T9652]  dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120)
[  361.545626][ T9652]  ? vprintk_emit (kernel/printk/printk.c:2471)
[  361.545628][ T9652]  __might_resched.cold (kernel/sched/core.c:9234)
[  361.545632][ T9652]  ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3))
[  361.545635][ T9652]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  361.545638][ T9652]  __kmalloc_noprof (./include/linux/sched/mm.h:322 (discriminator 2) mm/slub.c:4636 (discriminator 2) mm/slub.c:4974 (discriminator 2) mm/slub.c:5413 (discriminator 2) mm/slub.c:5439 (discriminator 2))
[  361.545641][ T9652]  ? __rwlock_init (kernel/locking/spinlock_debug.c:48)
[  361.545644][ T9652]  ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[  361.545649][ T9652]  ? do_raw_spin_unlock (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:32 ./include/asm-generic/qspinlock.h:58 kernel/locking/spinlock_debug.c:101 kernel/locking/spinlock_debug.c:141)
[  361.545651][ T9652]  alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[  361.545654][ T9652]  put_chars (drivers/char/virtio_console.c:1176)
[  361.545655][ T9652]  ? __send_to_port (drivers/char/virtio_console.c:654)
[  361.545657][ T9652]  ? printk_get_next_message (kernel/printk/printk.c:3072)
[  361.545664][ T9652]  hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2))
[  361.545669][ T9652]  ? hvc_write (drivers/tty/hvc/hvc_console.c:501)
[  361.545671][ T9652]  ? __rwlock_init (kernel/locking/spinlock_debug.c:48)
[  361.545673][ T9652]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  361.545674][ T9652]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  361.545677][ T9652]  console_emit_next_record (kernel/printk/printk.c:3183)
[  361.545680][ T9652]  ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20)
[  361.545682][ T9652]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  361.545683][ T9652]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  361.545684][ T9652]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  361.545686][ T9652]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  361.545688][ T9652]  ? console_flush_one_record (kernel/printk/printk.c:3247)
[  361.545690][ T9652]  console_flush_one_record (kernel/printk/printk.c:3268)
[  361.545692][ T9652]  ? console_emit_next_record (kernel/printk/printk.c:3150)
[  361.545695][ T9652]  console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420)
[  361.545697][ T9652]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  361.545699][ T9652]  ? console_flush_one_record (kernel/printk/printk.c:3316)
[  361.545701][ T9652]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  361.545702][ T9652]  ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22))
[  361.545704][ T9652]  ? 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)
[  361.545705][ T9652]  ? __rcu_read_lock (kernel/rcu/tree_plugin.h:391 (discriminator 6))
[  361.545707][ T9652]  ? __down_trylock_console_sem (kernel/printk/printk.c:334)
[  361.545709][ T9652]  ? vprintk_emit (kernel/printk/printk.c:2478)
[  361.545710][ T9652]  vprintk_emit (kernel/printk/printk.c:2479)
[  361.545712][ T9652]  ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126))
[  361.545713][ T9652]  ? do_raw_spin_trylock (./include/linux/instrumented.h:55 ./include/linux/atomic/atomic-instrumented.h:1301 ./include/asm-generic/qspinlock.h:98 kernel/locking/spinlock_debug.c:123)
[  361.545715][ T9652]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  361.545716][ T9652]  ? genl_family_rcv_msg (net/netlink/genetlink.c:1194)
[  361.545720][ T9652]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  361.545722][ T9652]  _printk (kernel/printk/printk.c:2504)
[  361.545725][ T9652]  ? snapshot_read.cold (user.c:?)
[  361.545727][ T9652]  ? ___ratelimit (lib/ratelimit.c:97 (discriminator 3))
[  361.545731][ T9652]  ? idr_get_free (??:?)
[  361.545733][ T9652]  ? trace_irq_enable.constprop.0 (./include/linux/instrumented.h:82 ./include/asm-generic/bitops/instrumented-non-atomic.h:141 ./include/linux/cpumask.h:650 ./include/linux/cpumask.h:1232 ./include/trace/events/preemptirq.h:40)
[  361.545736][ T9652]  validate_nla.cold (lib/nlattr.c:414 (discriminator 4))
[  361.545744][ T9652]  ? nla_get_range_signed (lib/nlattr.c:270)
[  361.545748][ T9652]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  361.545749][ T9652]  ? trace_kmalloc (./include/trace/events/kmem.h:57 (discriminator 22))
[  361.545752][ T9652]  __nla_validate_parse (lib/nlattr.c:635)
[  361.545755][ T9652]  __nla_parse (lib/nlattr.c:732)
[  361.545757][ T9652]  genl_family_rcv_msg_attrs_parse.isra.0 (./include/net/netlink.h:789 (discriminator 2) net/netlink/genetlink.c:944 (discriminator 2))
[  361.545759][ T9652]  ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22))
[  361.545761][ T9652]  genl_family_rcv_msg_doit (net/netlink/genetlink.c:1092)
[  361.545764][ T9652]  ? genl_family_rcv_msg_attrs_parse.isra.0 (./include/net/netlink.h:785 (discriminator 2))
[  361.545767][ T9652]  ? security_capable (security/security.c:660 (discriminator 11))
[  361.545770][ T9652]  genl_family_rcv_msg (net/netlink/genetlink.c:1194)
[  361.545772][ T9652]  ? genl_family_rcv_msg_dumpit (net/netlink/genetlink.c:1079)
[  361.545775][ T9652]  ? ovs_dp_cmd_get (./include/net/net_namespace.h:422 (discriminator 7)) openvswitch
[  361.545782][ T9652]  ? filter_irq_stacks (kernel/stacktrace.c:402)
[  361.545786][ T9652]  ? stack_depot_save_flags (lib/stackdepot.c:609 lib/stackdepot.c:676)
[  361.545788][ T9652]  genl_rcv_msg (net/netlink/genetlink.c:1209)
[  361.545790][ T9652]  netlink_rcv_skb (net/netlink/af_netlink.c:2556)
[  361.545792][ T9652]  ? genl_family_rcv_msg (net/netlink/genetlink.c:1136 (discriminator 2))
[  361.545794][ T9652]  ? netlink_ack (./include/linux/skbuff.h:2718)
[  361.545797][ T9652]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  361.545799][ T9652]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  361.545800][ T9652]  ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22))
[  361.545802][ T9652]  genl_rcv (net/netlink/genetlink.c:1218)
[  361.545804][ T9652]  netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[  361.545806][ T9652]  ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[  361.545809][ T9652]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  361.545810][ T9652]  netlink_sendmsg (net/netlink/af_netlink.c:1900)
[  361.545813][ T9652]  ? netlink_unicast (./include/net/net_namespace.h:422 (discriminator 7))
[  361.545815][ T9652]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  361.545816][ T9652]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  361.545818][ T9652]  __sock_sendmsg (net/socket.c:800 (discriminator 4) net/socket.c:815 (discriminator 4))
[  361.545821][ T9652]  ? fdget (fs/file.c:1200 fs/file.c:1208)
[  361.545825][ T9652]  __sys_sendto (net/socket.c:2281)
[  361.545827][ T9652]  ? __ia32_sys_getpeername (net/socket.c:2235)
[  361.545831][ T9652]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  361.545832][ T9652]  ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22))
[  361.545835][ T9652]  __x64_sys_sendto (net/socket.c:2288 net/socket.c:2284 net/socket.c:2284)
[  361.545836][ T9652]  ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22))
[  361.545838][ T9652]  ? trace_hardirqs_off_finish (./include/trace/events/preemptirq.h:36 (discriminator 22) kernel/trace/trace_preemptirq.c:95 (discriminator 22) kernel/trace/trace_preemptirq.c:90 (discriminator 22))
[  361.545839][ T9652]  ? trace_hardirqs_on (kernel/trace/trace_preemptirq.c:78)
[  361.545841][ T9652]  do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84)
[  361.545844][ T9652]  ? exc_page_fault (arch/x86/mm/fault.c:1489 (discriminator 3) arch/x86/mm/fault.c:1536 (discriminator 3))
[  361.545846][ T9652]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[  361.545848][ T9652] RIP: 0033:0x7faf14b12312
[  361.545850][ T9652] 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)
[  361.545852][ T9652] RSP: 002b:00007ffdce88fe08 EFLAGS: 00000246 ORIG_RAX: 000000000000002c
[  361.545856][ T9652] RAX: ffffffffffffffda RBX: 00007ffdce88ff38 RCX: 00007faf14b12312
[  361.545857][ T9652] RDX: 0000000000000044 RSI: 00007faf106cea60 RDI: 0000000000000020
[  361.545858][ T9652] RBP: 00007ffdce88fe30 R08: 00007ffdce88ffb0 R09: 000000000000000c
[  361.545859][ T9652] R10: 0000000000000000 R11: 0000000000000246 R12: 00007faf129760b0
[  361.545860][ T9652] R13: 00007ffdce88ff38 R14: 00007faf1443101a R15: 00007ffdce890328
| [  363.086744][ T9709] softirqs last disabled at (0): 0x0
| [  363.086746][ T9709] Preemption disabled at:
| [  363.086747][ T9709] vprintk_emit (kernel/printk/printk.c:2471)
| [  363.086758][ T9709] Tainted: [W]=WARN
[  363.086759][ T9709] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[  363.086761][ T9709] Call Trace:
[  363.086762][ T9709]  <TASK>
[  363.086764][ T9709]  dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120)
[  363.086770][ T9709]  ? vprintk_emit (kernel/printk/printk.c:2471)
[  363.086771][ T9709]  __might_resched.cold (kernel/sched/core.c:9234)
[  363.086775][ T9709]  ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3))
[  363.086779][ T9709]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  363.086782][ T9709]  __kmalloc_noprof (./include/linux/sched/mm.h:322 (discriminator 2) mm/slub.c:4636 (discriminator 2) mm/slub.c:4974 (discriminator 2) mm/slub.c:5413 (discriminator 2) mm/slub.c:5439 (discriminator 2))
[  363.086785][ T9709]  ? __rwlock_init (kernel/locking/spinlock_debug.c:48)
[  363.086788][ T9709]  ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[  363.086793][ T9709]  ? do_raw_spin_unlock (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:32 ./include/asm-generic/qspinlock.h:58 kernel/locking/spinlock_debug.c:101 kernel/locking/spinlock_debug.c:141)
[  363.086794][ T9709]  alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[  363.086797][ T9709]  put_chars (drivers/char/virtio_console.c:1176)
[  363.086799][ T9709]  ? __send_to_port (drivers/char/virtio_console.c:654)
[  363.086801][ T9709]  ? printk_get_next_message (kernel/printk/printk.c:3072)
[  363.086803][ T9709]  ? console_prepend_replay (kernel/printk/printk.c:3005)
[  363.086806][ T9709]  hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2))
[  363.086811][ T9709]  ? hvc_write (drivers/tty/hvc/hvc_console.c:501)
[  363.086813][ T9709]  ? __rwlock_init (kernel/locking/spinlock_debug.c:48)
[  363.086815][ T9709]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  363.086816][ T9709]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  363.086817][ T9709]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  363.086820][ T9709]  console_emit_next_record (kernel/printk/printk.c:3183)
[  363.086823][ T9709]  ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20)
[  363.086825][ T9709]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  363.086826][ T9709]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  363.086827][ T9709]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  363.086828][ T9709]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  363.086830][ T9709]  ? console_flush_one_record (kernel/printk/printk.c:3247)
[  363.086832][ T9709]  console_flush_one_record (kernel/printk/printk.c:3268)
[  363.086835][ T9709]  ? console_emit_next_record (kernel/printk/printk.c:3150)
[  363.086838][ T9709]  console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420)
[  363.086840][ T9709]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  363.086841][ T9709]  ? console_flush_one_record (kernel/printk/printk.c:3316)
[  363.086843][ T9709]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  363.086844][ T9709]  ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22))
[  363.086846][ T9709]  ? 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)
[  363.086848][ T9709]  ? __rcu_read_lock (kernel/rcu/tree_plugin.h:391 (discriminator 6))
[  363.086849][ T9709]  ? __down_trylock_console_sem (kernel/printk/printk.c:334)
[  363.086852][ T9709]  ? vprintk_emit (kernel/printk/printk.c:2478)
[  363.086853][ T9709]  vprintk_emit (kernel/printk/printk.c:2479)
[  363.086855][ T9709]  ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126))
[  363.086857][ T9709]  _printk (kernel/printk/printk.c:2504)
[  363.086860][ T9709]  ? snapshot_read.cold (user.c:?)
[  363.086862][ T9709]  ? rcu_read_lock_held (kernel/rcu/update.c:105 kernel/rcu/update.c:349)
[  363.086865][ T9709]  ? netdev_upper_get_next_dev_rcu (net/core/dev.c:8213 (discriminator 1))
[  363.086869][ T9709]  ? 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)
[  363.086870][ T9709]  ? __netdev_update_features (net/core/dev.c:11078 (discriminator 2))
[  363.086872][ T9709]  ? netdev_name (./include/linux/netdevice.h:5709 (discriminator 1))
[  363.086876][ T9709]  ? __netdev_printk (net/core/dev.c:13148 (discriminator 2))
[  363.086878][ T9709]  netdev_info (net/core/dev.c:13195 (discriminator 3))
[  363.086880][ T9709]  ? netdev_notice (net/core/dev.c:13194)
[  363.086882][ T9709]  ? ovs_netdev_link (net/openvswitch/vport-netdev.c:85) openvswitch
[  363.086890][ T9709]  ? 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)
[  363.086891][ T9709]  __dev_set_promiscuity.cold (net/core/dev.c:9672 (discriminator 3))
[  363.086894][ T9709]  netif_set_promiscuity (net/core/dev.c:9699)
[  363.086896][ T9709]  dev_set_promiscuity (net/core/dev_api.c:288)
[  363.086898][ T9709]  ? dev_disable_lro (net/core/dev_api.c:267)
[  363.086900][ T9709] ovs_netdev_link (net/openvswitch/vport-netdev.c:106) openvswitch
[  363.086904][ T9709] ovs_vport_add (net/openvswitch/vport.c:209) openvswitch
[  363.086907][ T9709]  ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22))
[  363.086909][ T9709] new_vport (net/openvswitch/datapath.c:203) openvswitch
[  363.086914][ T9709]  ? ovs_lookup_vport (net/openvswitch/datapath.c:190) openvswitch
[  363.086918][ T9709] ovs_vport_cmd_new (net/openvswitch/datapath.c:2389) openvswitch
[  363.086922][ T9709]  ? ovs_vport_cmd_fill_info.isra.0 (./include/net/netlink.h:1107 (discriminator 1)) openvswitch
[  363.086926][ T9709]  ? __nla_validate_parse (lib/nlattr.c:635)
[  363.086930][ T9709]  ? __nla_parse (lib/nlattr.c:732)
[  363.086932][ T9709]  ? genl_family_rcv_msg_attrs_parse.isra.0 (./include/net/netlink.h:789 (discriminator 2) net/netlink/genetlink.c:944 (discriminator 2))
[  363.086936][ T9709]  genl_family_rcv_msg_doit (net/netlink/genetlink.c:1114)
[  363.086939][ T9709]  ? genl_family_rcv_msg_attrs_parse.isra.0 (./include/net/netlink.h:785 (discriminator 2))
[  363.086942][ T9709]  ? security_capable (security/security.c:660 (discriminator 11))
[  363.086945][ T9709]  genl_family_rcv_msg (net/netlink/genetlink.c:1194)
[  363.086948][ T9709]  ? genl_family_rcv_msg_dumpit (net/netlink/genetlink.c:1079)
[  363.086950][ T9709]  ? ovs_vport_cmd_fill_info.isra.0 (./include/net/netlink.h:1107 (discriminator 1)) openvswitch
[  363.086954][ T9709]  ? filter_irq_stacks (kernel/stacktrace.c:402)
[  363.086957][ T9709]  ? stack_depot_save_flags (lib/stackdepot.c:609 lib/stackdepot.c:676)
[  363.086959][ T9709]  genl_rcv_msg (net/netlink/genetlink.c:1209)
[  363.086961][ T9709]  netlink_rcv_skb (net/netlink/af_netlink.c:2556)
[  363.086963][ T9709]  ? genl_family_rcv_msg (net/netlink/genetlink.c:1136 (discriminator 2))
[  363.086966][ T9709]  ? netlink_ack (./include/linux/skbuff.h:2718)
[  363.086969][ T9709]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  363.086970][ T9709]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  363.086972][ T9709]  ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22))
[  363.086974][ T9709]  genl_rcv (net/netlink/genetlink.c:1218)
[  363.086975][ T9709]  netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[  363.086978][ T9709]  ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[  363.086980][ T9709]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  363.086981][ T9709]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  363.086983][ T9709]  ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22))
[  363.086985][ T9709]  netlink_sendmsg (net/netlink/af_netlink.c:1900)
[  363.086987][ T9709]  ? netlink_unicast (./include/net/net_namespace.h:422 (discriminator 7))
[  363.086989][ T9709]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  363.086991][ T9709]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  363.086992][ T9709]  __sock_sendmsg (net/socket.c:800 (discriminator 4) net/socket.c:815 (discriminator 4))
[  363.086995][ T9709]  ? fdget (fs/file.c:1200 fs/file.c:1208)
[  363.086998][ T9709]  __sys_sendto (net/socket.c:2281)
[  363.087001][ T9709]  ? __ia32_sys_getpeername (net/socket.c:2235)
[  363.087003][ T9709]  ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22))
[  363.087005][ T9709]  ? do_futex (kernel/futex/syscalls.c:138)
[  363.087008][ T9709]  ? __ia32_sys_get_robust_list (kernel/futex/syscalls.c:94)
[  363.087010][ T9709]  ? do_futex (kernel/futex/syscalls.c:153 (discriminator 1))
[  363.087012][ T9709]  __x64_sys_sendto (net/socket.c:2288 net/socket.c:2284 net/socket.c:2284)
[  363.087014][ T9709]  ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22))
[  363.087017][ T9709]  ? trace_hardirqs_off_finish (./include/trace/events/preemptirq.h:36 (discriminator 22) kernel/trace/trace_preemptirq.c:95 (discriminator 22) kernel/trace/trace_preemptirq.c:90 (discriminator 22))
[  363.087019][ T9709]  ? trace_hardirqs_on (kernel/trace/trace_preemptirq.c:78)
[  363.087020][ T9709]  do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84)
[  363.087024][ T9709]  ? irq_exit_rcu (kernel/softirq.c:786)
[  363.087026][ T9709]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[  363.087028][ T9709] RIP: 0033:0x7fb63195f312
[  363.087031][ T9709] 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)
[  363.087033][ T9709] RSP: 002b:00007ffd3bd96d38 EFLAGS: 00000246 ORIG_RAX: 000000000000002c
[  363.087036][ T9709] RAX: ffffffffffffffda RBX: 00007ffd3bd96e68 RCX: 00007fb63195f312
[  363.087038][ T9709] RDX: 0000000000000034 RSI: 00007fb62c42c0f0 RDI: 0000000000000023
[  363.087039][ T9709] RBP: 00007ffd3bd96d60 R08: 00007ffd3bd96ee0 R09: 000000000000000c
[  363.087040][ T9709] R10: 0000000000000000 R11: 0000000000000246 R12: 00007fb62f7c2190
[  363.087041][ T9709] R13: 00007ffd3bd96e68 R14: 00007fb63127e01a R15: 00007ffd3bd97258
| [  369.910458][   T71] softirqs last disabled at (8660322): __fib6_clean_all (./include/linux/spinlock.h:353 net/ipv6/ip6_fib.c:2323)
| [  369.910460][   T71] Preemption disabled at:
| [  369.910461][   T71] vprintk_emit (kernel/printk/printk.c:2471)
| [  369.910472][   T71] Tainted: [W]=WARN
[  369.910473][   T71] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[  369.910475][   T71] Workqueue: netns cleanup_net
[  369.910481][   T71] Call Trace:
[  369.910482][   T71]  <TASK>
[  369.910484][   T71]  dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120)
[  369.910490][   T71]  ? vprintk_emit (kernel/printk/printk.c:2471)
[  369.910491][   T71]  __might_resched.cold (kernel/sched/core.c:9234)
[  369.910495][   T71]  ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3))
[  369.910499][   T71]  ? prb_next_reserve_seq (kernel/printk/printk_ringbuffer.c:2128)
[  369.910501][   T71]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  369.910503][   T71]  __kmalloc_noprof (./include/linux/sched/mm.h:322 (discriminator 2) mm/slub.c:4636 (discriminator 2) mm/slub.c:4974 (discriminator 2) mm/slub.c:5413 (discriminator 2) mm/slub.c:5439 (discriminator 2))
[  369.910507][   T71]  ? __rwlock_init (kernel/locking/spinlock_debug.c:48)
[  369.910510][   T71]  ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[  369.910514][   T71]  ? do_raw_spin_unlock (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:32 ./include/asm-generic/qspinlock.h:58 kernel/locking/spinlock_debug.c:101 kernel/locking/spinlock_debug.c:141)
[  369.910516][   T71]  alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[  369.910519][   T71]  put_chars (drivers/char/virtio_console.c:1176)
[  369.910520][   T71]  ? prb_final_commit (kernel/printk/printk_ringbuffer.c:1842)
[  369.910522][   T71]  ? __send_to_port (drivers/char/virtio_console.c:654)
[  369.910524][   T71]  ? printk_get_next_message (kernel/printk/printk.c:3072)
[  369.910526][   T71]  hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2))
[  369.910531][   T71]  ? hvc_write (drivers/tty/hvc/hvc_console.c:501)
[  369.910533][   T71]  ? 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)
[  369.910535][   T71]  ? vsnprintf (lib/vsprintf.c:2953 (discriminator 1))
[  369.910538][   T71]  ? __rwlock_init (kernel/locking/spinlock_debug.c:48)
[  369.910539][   T71]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  369.910541][   T71]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  369.910543][   T71]  console_emit_next_record (kernel/printk/printk.c:3183)
[  369.910546][   T71]  ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20)
[  369.910548][   T71]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  369.910549][   T71]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  369.910550][   T71]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  369.910551][   T71]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  369.910553][   T71]  ? console_flush_one_record (kernel/printk/printk.c:3247)
[  369.910555][   T71]  console_flush_one_record (kernel/printk/printk.c:3268)
[  369.910558][   T71]  ? console_emit_next_record (kernel/printk/printk.c:3150)
[  369.910561][   T71]  console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420)
[  369.910563][   T71]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  369.910564][   T71]  ? console_flush_one_record (kernel/printk/printk.c:3316)
[  369.910566][   T71]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  369.910567][   T71]  ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22))
[  369.910569][   T71]  ? 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)
[  369.910571][   T71]  ? __rcu_read_lock (kernel/rcu/tree_plugin.h:391 (discriminator 6))
[  369.910573][   T71]  ? __down_trylock_console_sem (kernel/printk/printk.c:334)
[  369.910576][   T71]  ? vprintk_emit (kernel/printk/printk.c:2478)
[  369.910578][   T71]  vprintk_emit (kernel/printk/printk.c:2479)
[  369.910581][   T71]  ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126))
[  369.910584][   T71]  ? net_disable_timestamp (./include/linux/workqueue.h:761)
[  369.910586][   T71]  ? net_generic (./include/linux/rcupdate.h:882 ./include/net/netns/generic.h:48) vxlan
[  369.910594][   T71]  _printk (kernel/printk/printk.c:2504)
[  369.910597][   T71]  ? snapshot_read.cold (user.c:?)
[  369.910599][   T71]  ? netdev_name (./include/linux/netdevice.h:5709 (discriminator 1))
[  369.910603][   T71]  ? __netdev_printk (net/core/dev.c:13148 (discriminator 2))
[  369.910605][   T71]  netdev_info (net/core/dev.c:13195 (discriminator 3))
[  369.910610][   T71]  ? netdev_notice (net/core/dev.c:13194)
[  369.910612][   T71]  ? __netdev_upper_dev_unlink (net/core/dev.c:9094)
[  369.910615][   T71]  ? synchronize_rcu_expedited (kernel/rcu/tree_exp.h:985)
[  369.910618][   T71]  ? 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)
[  369.910619][   T71]  __dev_set_promiscuity.cold (net/core/dev.c:9672 (discriminator 3))
[  369.910622][   T71]  netif_set_promiscuity (net/core/dev.c:9699)
[  369.910625][   T71]  dev_set_promiscuity (net/core/dev_api.c:288)
[  369.910627][   T71]  ? rtnl_is_locked (net/core/rtnetlink.c:169)
[  369.910630][   T71] ovs_netdev_detach_dev (net/openvswitch/vport-netdev.c:174) openvswitch
[  369.910636][   T71] dp_device_event (net/openvswitch/dp_notify.c:74) openvswitch
[  369.910641][   T71]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  369.910643][   T71]  notifier_call_chain (kernel/notifier.c:85)
[  369.910646][   T71]  unregister_netdevice_many_notify (net/core/dev.c:2313 net/core/dev.c:2327 net/core/dev.c:12518)
[  369.910649][   T71]  ? unregister_netdevice_queued (./include/linux/list.h:419 (discriminator 3))
[  369.910650][   T71]  ? get_rps_cpu (net/core/dev.c:5240)
[  369.910653][   T71]  default_device_exit_batch (net/core/dev.c:12589 net/core/dev.c:13288)
[  369.910654][   T71]  ? __mutex_unlock_slowpath (./include/linux/preempt.h:500 (discriminator 1) kernel/locking/mutex.c:999 (discriminator 1))
[  369.910656][   T71]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  369.910658][   T71]  ? unregister_netdevice_queue (./include/linux/list.h:173)
[  369.910659][   T71]  ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3))
[  369.910661][   T71]  ? fou_exit_net (net/ipv4/fou_core.c:1228)
[  369.910664][   T71]  ops_undo_list (net/core/net_namespace.c:206 net/core/net_namespace.c:253)
[  369.910667][   T71]  ? netns_install (./include/linux/ns_common.h:26)
[  369.910669][   T71]  ? idr_destroy (lib/radix-tree.c:310 lib/radix-tree.c:674 lib/radix-tree.c:1563)
[  369.910672][   T71]  cleanup_net (net/core/net_namespace.c:706)
[  369.910674][   T71]  ? net_passive_dec (./include/linux/llist.h:241)
[  369.910676][   T71]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  369.910677][   T71]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  369.910679][   T71]  process_one_work (kernel/workqueue.c:3387)
[  369.910683][   T71]  ? __queue_delayed_work (kernel/workqueue.c:2622)
[  369.910685][   T71]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[  369.910687][   T71]  ? __rwlock_init (kernel/locking/spinlock_debug.c:48)
[  369.910690][   T71]  worker_thread (kernel/workqueue.c:3470 kernel/workqueue.c:3551)
[  369.910692][   T71]  ? rescuer_thread (./include/linux/list.h:419 (discriminator 3))
[  369.910694][   T71]  ? __kthread_parkme (./include/linux/instrumented.h:82 ./include/asm-generic/bitops/instrumented-non-atomic.h:141 kernel/kthread.c:272)
[  369.910696][   T71]  ? rescuer_thread (./include/linux/list.h:419 (discriminator 3))
[  369.910698][   T71]  ? rescuer_thread (./include/linux/list.h:419 (discriminator 3))
[  369.910700][   T71]  kthread (kernel/kthread.c:436)
[  369.910702][   T71]  ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22))
[  369.910705][   T71]  ? kthread_affine_preferred (kernel/kthread.c:857)
[  369.910707][   T71]  ret_from_fork (arch/x86/kernel/process.c:158)
[  369.910710][   T71]  ? arch_exit_to_user_mode_prepare.isra.0 (arch/x86/entry/vdso/vma.c:80 (discriminator 1))
[  369.910712][   T71]  ? __switch_to (arch/x86/kernel/process_64.c:403 arch/x86/kernel/process_64.c:663)
[  369.910715][   T71]  ? kthread_affine_preferred (kernel/kthread.c:857)
[  369.910717][   T71]  ret_from_fork_asm (arch/x86/entry/entry_64.S:245)
| [  371.683956][ T9936] softirqs last disabled at (0): 0x0
| [  371.683958][ T9936] Preemption disabled at:
| [  371.683958][ T9936] vprintk_emit (kernel/printk/printk.c:2471)
| [  371.683969][ T9936] Tainted: [W]=WARN
[  371.683970][ T9936] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[  371.683972][ T9936] Call Trace:
[  371.683973][ T9936]  <TASK>
[  371.683975][ T9936]  dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120)
[  371.683980][ T9936]  ? vprintk_emit (kernel/printk/printk.c:2471)
[  371.683982][ T9936]  __might_resched.cold (kernel/sched/core.c:9234)
[  371.683986][ T9936]  ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3))
[  371.683989][ T9936]  ? __asan_memcpy (mm/kasan/shadow.c:106 (discriminator 1))
[  371.683993][ T9936]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  371.683996][ T9936]  __kmalloc_noprof (./include/linux/sched/mm.h:322 (discriminator 2) mm/slub.c:4636 (discriminator 2) mm/slub.c:4974 (discriminator 2) mm/slub.c:5413 (discriminator 2) mm/slub.c:5439 (discriminator 2))
[  371.683999][ T9936]  ? __rwlock_init (kernel/locking/spinlock_debug.c:48)
[  371.684002][ T9936]  ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[  371.684007][ T9936]  ? do_raw_spin_unlock (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:32 ./include/asm-generic/qspinlock.h:58 kernel/locking/spinlock_debug.c:101 kernel/locking/spinlock_debug.c:141)
[  371.684009][ T9936]  alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[  371.684011][ T9936]  put_chars (drivers/char/virtio_console.c:1176)
[  371.684013][ T9936]  ? __send_to_port (drivers/char/virtio_console.c:654)
[  371.684015][ T9936]  ? console_prepend_replay (kernel/printk/printk.c:3005)
[  371.684018][ T9936]  hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2))
[  371.684023][ T9936]  ? hvc_write (drivers/tty/hvc/hvc_console.c:501)
[  371.684025][ T9936]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  371.684026][ T9936]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  371.684029][ T9936]  console_emit_next_record (kernel/printk/printk.c:3183)
[  371.684032][ T9936]  ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20)
[  371.684034][ T9936]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  371.684035][ T9936]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  371.684036][ T9936]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  371.684038][ T9936]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  371.684040][ T9936]  ? console_flush_one_record (kernel/printk/printk.c:3247)
[  371.684042][ T9936]  console_flush_one_record (kernel/printk/printk.c:3268)
[  371.684044][ T9936]  ? console_emit_next_record (kernel/printk/printk.c:3150)
[  371.684047][ T9936]  console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420)
[  371.684049][ T9936]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  371.684051][ T9936]  ? console_flush_one_record (kernel/printk/printk.c:3316)
[  371.684052][ T9936]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  371.684053][ T9936]  ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22))
[  371.684055][ T9936]  ? 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)
[  371.684057][ T9936]  ? __rcu_read_lock (kernel/rcu/tree_plugin.h:391 (discriminator 6))
[  371.684058][ T9936]  ? __down_trylock_console_sem (kernel/printk/printk.c:334)
[  371.684060][ T9936]  ? vprintk_emit (kernel/printk/printk.c:2478)
[  371.684062][ T9936]  vprintk_emit (kernel/printk/printk.c:2479)
[  371.684064][ T9936]  ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126))
[  371.684065][ T9936]  ? entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[  371.684068][ T9936]  _printk (kernel/printk/printk.c:2504)
[  371.684071][ T9936]  ? snapshot_read.cold (user.c:?)
[  371.684073][ T9936]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  371.684075][ T9936]  ? netdev_name (./include/linux/netdevice.h:5709 (discriminator 1))
[  371.684078][ T9936]  ? __netdev_printk (net/core/dev.c:13148 (discriminator 2))
[  371.684080][ T9936]  netdev_info (net/core/dev.c:13195 (discriminator 3))
[  371.684083][ T9936]  ? netdev_notice (net/core/dev.c:13194)
[  371.684084][ T9936]  ? internal_dev_destroy (net/openvswitch/vport-internal_dev.c:178) openvswitch
[  371.684092][ T9936]  ? ww_mutex_lock (kernel/locking/mutex.c:934)
[  371.684095][ T9936]  ? 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)
[  371.684097][ T9936]  __dev_set_promiscuity.cold (net/core/dev.c:9672 (discriminator 3))
[  371.684100][ T9936]  netif_set_promiscuity (net/core/dev.c:9699)
[  371.684104][ T9936]  dev_set_promiscuity (net/core/dev_api.c:288)
[  371.684106][ T9936] internal_dev_destroy (net/openvswitch/vport-internal_dev.c:179) openvswitch
[  371.684111][ T9936] __dp_destroy (net/openvswitch/datapath.c:1969 (discriminator 1)) openvswitch
[  371.684117][ T9936] ovs_dp_cmd_del (net/openvswitch/datapath.c:2003) openvswitch
[  371.684121][ T9936]  genl_family_rcv_msg_doit (net/netlink/genetlink.c:1114)
[  371.684125][ T9936]  ? genl_family_rcv_msg_attrs_parse.isra.0 (./include/net/netlink.h:785 (discriminator 2))
[  371.684128][ T9936]  ? security_capable (security/security.c:660 (discriminator 11))
[  371.684132][ T9936]  genl_family_rcv_msg (net/netlink/genetlink.c:1194)
[  371.684134][ T9936]  ? genl_family_rcv_msg_dumpit (net/netlink/genetlink.c:1079)
[  371.684136][ T9936]  ? __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
[  371.684140][ T9936]  ? filter_irq_stacks (kernel/stacktrace.c:402)
[  371.684143][ T9936]  ? stack_depot_save_flags (lib/stackdepot.c:609 lib/stackdepot.c:676)
[  371.684147][ T9936]  genl_rcv_msg (net/netlink/genetlink.c:1209)
[  371.684149][ T9936]  netlink_rcv_skb (net/netlink/af_netlink.c:2556)
[  371.684151][ T9936]  ? genl_family_rcv_msg (net/netlink/genetlink.c:1136 (discriminator 2))
[  371.684153][ T9936]  ? netlink_ack (./include/linux/skbuff.h:2718)
[  371.684156][ T9936]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  371.684158][ T9936]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  371.684159][ T9936]  ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22))
[  371.684167][ T9936]  genl_rcv (net/netlink/genetlink.c:1218)
[  371.684170][ T9936]  netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[  371.684172][ T9936]  ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[  371.684174][ T9936]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  371.684176][ T9936]  netlink_sendmsg (net/netlink/af_netlink.c:1900)
[  371.684178][ T9936]  ? netlink_unicast (./include/net/net_namespace.h:422 (discriminator 7))
[  371.684180][ T9936]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  371.684182][ T9936]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  371.684184][ T9936]  __sock_sendmsg (net/socket.c:800 (discriminator 4) net/socket.c:815 (discriminator 4))
[  371.684187][ T9936]  ? fdget (fs/file.c:1200 fs/file.c:1208)
[  371.684190][ T9936]  __sys_sendto (net/socket.c:2281)
[  371.684193][ T9936]  ? __ia32_sys_getpeername (net/socket.c:2235)
[  371.684197][ T9936]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  371.684198][ T9936]  ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22))
[  371.684200][ T9936]  __x64_sys_sendto (net/socket.c:2288 net/socket.c:2284 net/socket.c:2284)
[  371.684202][ T9936]  ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22))
[  371.684205][ T9936]  ? trace_hardirqs_off_finish (./include/trace/events/preemptirq.h:36 (discriminator 22) kernel/trace/trace_preemptirq.c:95 (discriminator 22) kernel/trace/trace_preemptirq.c:90 (discriminator 22))
[  371.684207][ T9936]  ? trace_hardirqs_on (kernel/trace/trace_preemptirq.c:78)
[  371.684208][ T9936]  do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84)
[  371.684211][ T9936]  ? exc_page_fault (arch/x86/mm/fault.c:1489 (discriminator 3) arch/x86/mm/fault.c:1536 (discriminator 3))
[  371.684213][ T9936]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[  371.684215][ T9936] RIP: 0033:0x7f2e67d83312
[  371.684217][ T9936] 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)
[  371.684218][ T9936] RSP: 002b:00007fffde0913c8 EFLAGS: 00000246 ORIG_RAX: 000000000000002c
[  371.684222][ T9936] RAX: ffffffffffffffda RBX: 00007fffde0914f8 RCX: 00007f2e67d83312
[  371.684224][ T9936] RDX: 0000000000000024 RSI: 00007f2e64106040 RDI: 0000000000000020
[  371.684225][ T9936] RBP: 00007fffde0913f0 R08: 00007fffde091570 R09: 000000000000000c
[  371.684226][ T9936] R10: 0000000000000000 R11: 0000000000000246 R12: 00007f2e65be5e10
[  371.684227][ T9936] R13: 00007fffde0914f8 R14: 00007f2e676a201a R15: 00007fffde0918e8
| [  373.835527][T10043] softirqs last disabled at (0): 0x0
| [  373.835529][T10043] Preemption disabled at:
| [  373.835530][T10043] vprintk_emit (kernel/printk/printk.c:2471)
| [  373.835540][T10043] Tainted: [W]=WARN
[  373.835541][T10043] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[  373.835543][T10043] Call Trace:
[  373.835544][T10043]  <TASK>
[  373.835546][T10043]  dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120)
[  373.835552][T10043]  ? vprintk_emit (kernel/printk/printk.c:2471)
[  373.835553][T10043]  __might_resched.cold (kernel/sched/core.c:9234)
[  373.835557][T10043]  ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3))
[  373.835561][T10043]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  373.835563][T10043]  __kmalloc_noprof (./include/linux/sched/mm.h:322 (discriminator 2) mm/slub.c:4636 (discriminator 2) mm/slub.c:4974 (discriminator 2) mm/slub.c:5413 (discriminator 2) mm/slub.c:5439 (discriminator 2))
[  373.835566][T10043]  ? __rwlock_init (kernel/locking/spinlock_debug.c:48)
[  373.835570][T10043]  ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[  373.835576][T10043]  ? do_raw_spin_unlock (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:32 ./include/asm-generic/qspinlock.h:58 kernel/locking/spinlock_debug.c:101 kernel/locking/spinlock_debug.c:141)
[  373.835579][T10043]  alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[  373.835582][T10043]  put_chars (drivers/char/virtio_console.c:1176)
[  373.835585][T10043]  ? __send_to_port (drivers/char/virtio_console.c:654)
[  373.835588][T10043]  ? printk_get_next_message (kernel/printk/printk.c:3072)
[  373.835592][T10043]  hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2))
[  373.835597][T10043]  ? hvc_write (drivers/tty/hvc/hvc_console.c:501)
[  373.835599][T10043]  ? __rwlock_init (kernel/locking/spinlock_debug.c:48)
[  373.835601][T10043]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  373.835602][T10043]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  373.835605][T10043]  console_emit_next_record (kernel/printk/printk.c:3183)
[  373.835608][T10043]  ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20)
[  373.835610][T10043]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  373.835611][T10043]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  373.835612][T10043]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  373.835613][T10043]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  373.835616][T10043]  ? console_flush_one_record (kernel/printk/printk.c:3247)
[  373.835617][T10043]  console_flush_one_record (kernel/printk/printk.c:3268)
[  373.835620][T10043]  ? console_emit_next_record (kernel/printk/printk.c:3150)
[  373.835623][T10043]  console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420)
[  373.835625][T10043]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  373.835626][T10043]  ? console_flush_one_record (kernel/printk/printk.c:3316)
[  373.835628][T10043]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  373.835629][T10043]  ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22))
[  373.835631][T10043]  ? 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)
[  373.835633][T10043]  ? __rcu_read_lock (kernel/rcu/tree_plugin.h:391 (discriminator 6))
[  373.835634][T10043]  ? __down_trylock_console_sem (kernel/printk/printk.c:334)
[  373.835636][T10043]  ? vprintk_emit (kernel/printk/printk.c:2478)
[  373.835638][T10043]  vprintk_emit (kernel/printk/printk.c:2479)
[  373.835640][T10043]  ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126))
[  373.835641][T10043]  ? do_raw_spin_trylock (./include/linux/instrumented.h:55 ./include/linux/atomic/atomic-instrumented.h:1301 ./include/asm-generic/qspinlock.h:98 kernel/locking/spinlock_debug.c:123)
[  373.835643][T10043]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  373.835644][T10043]  ? genl_family_rcv_msg (net/netlink/genetlink.c:1194)
[  373.835647][T10043]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  373.835650][T10043]  _printk (kernel/printk/printk.c:2504)
[  373.835652][T10043]  ? snapshot_read.cold (user.c:?)
[  373.835654][T10043]  ? ___ratelimit (lib/ratelimit.c:97 (discriminator 3))
[  373.835658][T10043]  ? idr_get_free (??:?)
[  373.835660][T10043]  ? trace_irq_enable.constprop.0 (./include/linux/instrumented.h:82 ./include/asm-generic/bitops/instrumented-non-atomic.h:141 ./include/linux/cpumask.h:650 ./include/linux/cpumask.h:1232 ./include/trace/events/preemptirq.h:40)
[  373.835666][T10043]  validate_nla.cold (lib/nlattr.c:414 (discriminator 4))
[  373.835674][T10043]  ? nla_get_range_signed (lib/nlattr.c:270)
[  373.835678][T10043]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  373.835679][T10043]  ? trace_kmalloc (./include/trace/events/kmem.h:57 (discriminator 22))
[  373.835682][T10043]  __nla_validate_parse (lib/nlattr.c:635)
[  373.835685][T10043]  __nla_parse (lib/nlattr.c:732)
[  373.835687][T10043]  genl_family_rcv_msg_attrs_parse.isra.0 (./include/net/netlink.h:789 (discriminator 2) net/netlink/genetlink.c:944 (discriminator 2))
[  373.835690][T10043]  ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22))
[  373.835692][T10043]  genl_family_rcv_msg_doit (net/netlink/genetlink.c:1092)
[  373.835694][T10043]  ? genl_family_rcv_msg_attrs_parse.isra.0 (./include/net/netlink.h:785 (discriminator 2))
[  373.835698][T10043]  ? security_capable (security/security.c:660 (discriminator 11))
[  373.835701][T10043]  genl_family_rcv_msg (net/netlink/genetlink.c:1194)
[  373.835703][T10043]  ? genl_family_rcv_msg_dumpit (net/netlink/genetlink.c:1079)
[  373.835706][T10043]  ? ovs_dp_cmd_get (./include/net/net_namespace.h:422 (discriminator 7)) openvswitch
[  373.835713][T10043]  ? filter_irq_stacks (kernel/stacktrace.c:402)
[  373.835716][T10043]  ? stack_depot_save_flags (lib/stackdepot.c:609 lib/stackdepot.c:676)
[  373.835718][T10043]  genl_rcv_msg (net/netlink/genetlink.c:1209)
[  373.835721][T10043]  netlink_rcv_skb (net/netlink/af_netlink.c:2556)
[  373.835723][T10043]  ? genl_family_rcv_msg (net/netlink/genetlink.c:1136 (discriminator 2))
[  373.835725][T10043]  ? netlink_ack (./include/linux/skbuff.h:2718)
[  373.835728][T10043]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  373.835729][T10043]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  373.835731][T10043]  ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22))
[  373.835733][T10043]  genl_rcv (net/netlink/genetlink.c:1218)
[  373.835735][T10043]  netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[  373.835737][T10043]  ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[  373.835740][T10043]  netlink_sendmsg (net/netlink/af_netlink.c:1900)
[  373.835742][T10043]  ? netlink_unicast (./include/net/net_namespace.h:422 (discriminator 7))
[  373.835744][T10043]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  373.835746][T10043]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  373.835748][T10043]  __sock_sendmsg (net/socket.c:800 (discriminator 4) net/socket.c:815 (discriminator 4))
[  373.835751][T10043]  ? fdget (fs/file.c:1200 fs/file.c:1208)
[  373.835754][T10043]  __sys_sendto (net/socket.c:2281)
[  373.835756][T10043]  ? __ia32_sys_getpeername (net/socket.c:2235)
[  373.835760][T10043]  ? fput_close_sync (fs/file_table.c:617)
[  373.835763][T10043]  ? alloc_file_clone (fs/file_table.c:479)
[  373.835765][T10043]  __x64_sys_sendto (net/socket.c:2288 net/socket.c:2284 net/socket.c:2284)
[  373.835767][T10043]  ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22))
[  373.835769][T10043]  ? trace_hardirqs_off_finish (./include/trace/events/preemptirq.h:36 (discriminator 22) kernel/trace/trace_preemptirq.c:95 (discriminator 22) kernel/trace/trace_preemptirq.c:90 (discriminator 22))
[  373.835770][T10043]  ? trace_hardirqs_on (kernel/trace/trace_preemptirq.c:78)
[  373.835772][T10043]  do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84)
[  373.835775][T10043]  ? exc_page_fault (arch/x86/mm/fault.c:1489 (discriminator 3) arch/x86/mm/fault.c:1536 (discriminator 3))
[  373.835777][T10043]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[  373.835779][T10043] RIP: 0033:0x7f234b570312
[  373.835781][T10043] 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)
[  373.835783][T10043] RSP: 002b:00007ffe45bab6c8 EFLAGS: 00000246 ORIG_RAX: 000000000000002c
[  373.835787][T10043] RAX: ffffffffffffffda RBX: 00007ffe45bab7f8 RCX: 00007f234b570312
[  373.835788][T10043] RDX: 0000000000000044 RSI: 00007f23492bf4b0 RDI: 0000000000000020
[  373.835789][T10043] RBP: 00007ffe45bab6f0 R08: 00007ffe45bab870 R09: 000000000000000c
[  373.835790][T10043] R10: 0000000000000000 R11: 0000000000000246 R12: 00007f23493de0b0
[  373.835791][T10043] R13: 00007ffe45bab7f8 R14: 00007f234ae8f01a R15: 00007ffe45babbe8
| [  375.341889][T10100] softirqs last disabled at (0): 0x0
| [  375.341891][T10100] Preemption disabled at:
| [  375.341892][T10100] vprintk_emit (kernel/printk/printk.c:2471)
| [  375.341903][T10100] Tainted: [W]=WARN
[  375.341904][T10100] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[  375.341906][T10100] Call Trace:
[  375.341908][T10100]  <TASK>
[  375.341909][T10100]  dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120)
[  375.341915][T10100]  ? vprintk_emit (kernel/printk/printk.c:2471)
[  375.341916][T10100]  __might_resched.cold (kernel/sched/core.c:9234)
[  375.341921][T10100]  ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3))
[  375.341924][T10100]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  375.341927][T10100]  __kmalloc_noprof (./include/linux/sched/mm.h:322 (discriminator 2) mm/slub.c:4636 (discriminator 2) mm/slub.c:4974 (discriminator 2) mm/slub.c:5413 (discriminator 2) mm/slub.c:5439 (discriminator 2))
[  375.341930][T10100]  ? __rwlock_init (kernel/locking/spinlock_debug.c:48)
[  375.341934][T10100]  ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[  375.341940][T10100]  ? do_raw_spin_unlock (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:32 ./include/asm-generic/qspinlock.h:58 kernel/locking/spinlock_debug.c:101 kernel/locking/spinlock_debug.c:141)
[  375.341941][T10100]  alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[  375.341944][T10100]  put_chars (drivers/char/virtio_console.c:1176)
[  375.341946][T10100]  ? __send_to_port (drivers/char/virtio_console.c:654)
[  375.341948][T10100]  ? printk_get_next_message (kernel/printk/printk.c:3072)
[  375.341951][T10100]  ? console_prepend_replay (kernel/printk/printk.c:3005)
[  375.341953][T10100]  hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2))
[  375.341959][T10100]  ? hvc_write (drivers/tty/hvc/hvc_console.c:501)
[  375.341961][T10100]  ? __rwlock_init (kernel/locking/spinlock_debug.c:48)
[  375.341963][T10100]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  375.341965][T10100]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  375.341966][T10100]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  375.341969][T10100]  console_emit_next_record (kernel/printk/printk.c:3183)
[  375.341972][T10100]  ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20)
[  375.341974][T10100]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  375.341975][T10100]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  375.341976][T10100]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  375.341978][T10100]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  375.341980][T10100]  ? console_flush_one_record (kernel/printk/printk.c:3247)
[  375.341982][T10100]  console_flush_one_record (kernel/printk/printk.c:3268)
[  375.341985][T10100]  ? console_emit_next_record (kernel/printk/printk.c:3150)
[  375.341989][T10100]  console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420)
[  375.341991][T10100]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  375.341993][T10100]  ? console_flush_one_record (kernel/printk/printk.c:3316)
[  375.341995][T10100]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  375.341996][T10100]  ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22))
[  375.341998][T10100]  ? lock_acquire (./include/linux/srcutree.h:374 ./include/linux/srcu.h:541 ./include/linux/srcu.h:645 ./include/trace/events/lock.h:23 ./include/trace/events/lock.h:23 kernel/locking/lockdep.c:5871)
[  375.341999][T10100]  ? __rcu_read_lock (kernel/rcu/tree_plugin.h:391 (discriminator 6))
[  375.342001][T10100]  ? __down_trylock_console_sem (kernel/printk/printk.c:334)
[  375.342003][T10100]  ? vprintk_emit (kernel/printk/printk.c:2478)
[  375.342005][T10100]  vprintk_emit (kernel/printk/printk.c:2479)
[  375.342007][T10100]  ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126))
[  375.342010][T10100]  _printk (kernel/printk/printk.c:2504)
[  375.342013][T10100]  ? snapshot_read.cold (user.c:?)
[  375.342015][T10100]  ? rcu_read_lock_held (kernel/rcu/update.c:105 kernel/rcu/update.c:349)
[  375.342018][T10100]  ? netdev_upper_get_next_dev_rcu (net/core/dev.c:8213 (discriminator 1))
[  375.342022][T10100]  ? 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)
[  375.342024][T10100]  ? __netdev_update_features (net/core/dev.c:11078 (discriminator 2))
[  375.342026][T10100]  ? netdev_name (./include/linux/netdevice.h:5709 (discriminator 1))
[  375.342030][T10100]  ? __netdev_printk (net/core/dev.c:13148 (discriminator 2))
[  375.342032][T10100]  netdev_info (net/core/dev.c:13195 (discriminator 3))
[  375.342035][T10100]  ? netdev_notice (net/core/dev.c:13194)
[  375.342037][T10100]  ? ovs_netdev_link (net/openvswitch/vport-netdev.c:85) openvswitch
[  375.342045][T10100]  ? 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)
[  375.342047][T10100]  __dev_set_promiscuity.cold (net/core/dev.c:9672 (discriminator 3))
[  375.342049][T10100]  netif_set_promiscuity (net/core/dev.c:9699)
[  375.342052][T10100]  dev_set_promiscuity (net/core/dev_api.c:288)
[  375.342054][T10100]  ? dev_disable_lro (net/core/dev_api.c:267)
[  375.342056][T10100] ovs_netdev_link (net/openvswitch/vport-netdev.c:106) openvswitch
[  375.342060][T10100] ovs_vport_add (net/openvswitch/vport.c:209) openvswitch
[  375.342065][T10100]  ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22))
[  375.342067][T10100] new_vport (net/openvswitch/datapath.c:203) openvswitch
[  375.342072][T10100]  ? ovs_lookup_vport (net/openvswitch/datapath.c:190) openvswitch
[  375.342076][T10100] ovs_vport_cmd_new (net/openvswitch/datapath.c:2389) openvswitch
[  375.342081][T10100]  ? ovs_vport_cmd_fill_info.isra.0 (./include/net/netlink.h:1107 (discriminator 1)) openvswitch
[  375.342085][T10100]  ? __nla_validate_parse (lib/nlattr.c:635)
[  375.342089][T10100]  ? __nla_parse (lib/nlattr.c:732)
[  375.342091][T10100]  ? genl_family_rcv_msg_attrs_parse.isra.0 (./include/net/netlink.h:789 (discriminator 2) net/netlink/genetlink.c:944 (discriminator 2))
[  375.342096][T10100]  genl_family_rcv_msg_doit (net/netlink/genetlink.c:1114)
[  375.342098][T10100]  ? genl_family_rcv_msg_attrs_parse.isra.0 (./include/net/netlink.h:785 (discriminator 2))
[  375.342102][T10100]  ? security_capable (security/security.c:660 (discriminator 11))
[  375.342105][T10100]  genl_family_rcv_msg (net/netlink/genetlink.c:1194)
[  375.342108][T10100]  ? genl_family_rcv_msg_dumpit (net/netlink/genetlink.c:1079)
[  375.342110][T10100]  ? ovs_vport_cmd_fill_info.isra.0 (./include/net/netlink.h:1107 (discriminator 1)) openvswitch
[  375.342114][T10100]  ? filter_irq_stacks (kernel/stacktrace.c:402)
[  375.342118][T10100]  ? stack_depot_save_flags (lib/stackdepot.c:609 lib/stackdepot.c:676)
[  375.342120][T10100]  genl_rcv_msg (net/netlink/genetlink.c:1209)
[  375.342122][T10100]  netlink_rcv_skb (net/netlink/af_netlink.c:2556)
[  375.342125][T10100]  ? genl_family_rcv_msg (net/netlink/genetlink.c:1136 (discriminator 2))
[  375.342127][T10100]  ? netlink_ack (./include/linux/skbuff.h:2718)
[  375.342130][T10100]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  375.342132][T10100]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  375.342133][T10100]  ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22))
[  375.342136][T10100]  genl_rcv (net/netlink/genetlink.c:1218)
[  375.342138][T10100]  netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[  375.342140][T10100]  ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[  375.342142][T10100]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  375.342144][T10100]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  375.342145][T10100]  ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22))
[  375.342147][T10100]  netlink_sendmsg (net/netlink/af_netlink.c:1900)
[  375.342150][T10100]  ? netlink_unicast (./include/net/net_namespace.h:422 (discriminator 7))
[  375.342152][T10100]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  375.342154][T10100]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  375.342155][T10100]  __sock_sendmsg (net/socket.c:800 (discriminator 4) net/socket.c:815 (discriminator 4))
[  375.342158][T10100]  ? fdget (fs/file.c:1200 fs/file.c:1208)
[  375.342162][T10100]  __sys_sendto (net/socket.c:2281)
[  375.342164][T10100]  ? __ia32_sys_getpeername (net/socket.c:2235)
[  375.342166][T10100]  ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22))
[  375.342169][T10100]  ? do_futex (kernel/futex/syscalls.c:138)
[  375.342172][T10100]  ? __ia32_sys_get_robust_list (kernel/futex/syscalls.c:94)
[  375.342175][T10100]  ? do_futex (kernel/futex/syscalls.c:153 (discriminator 1))
[  375.342177][T10100]  __x64_sys_sendto (net/socket.c:2288 net/socket.c:2284 net/socket.c:2284)
[  375.342179][T10100]  ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22))
[  375.342182][T10100]  ? trace_hardirqs_off_finish (./include/trace/events/preemptirq.h:36 (discriminator 22) kernel/trace/trace_preemptirq.c:95 (discriminator 22) kernel/trace/trace_preemptirq.c:90 (discriminator 22))
[  375.342184][T10100]  ? trace_hardirqs_on (kernel/trace/trace_preemptirq.c:78)
[  375.342186][T10100]  do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84)
[  375.342197][T10100]  ? irq_exit_rcu (kernel/softirq.c:786)
[  375.342200][T10100]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[  375.342202][T10100] RIP: 0033:0x7f0f53380312
[  375.342204][T10100] 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)
[  375.342206][T10100] RSP: 002b:00007ffeaf080ee8 EFLAGS: 00000246 ORIG_RAX: 000000000000002c
[  375.342210][T10100] RAX: ffffffffffffffda RBX: 00007ffeaf081018 RCX: 00007f0f53380312
[  375.342212][T10100] RDX: 0000000000000034 RSI: 00007f0f507e0b70 RDI: 0000000000000023
[  375.342213][T10100] RBP: 00007ffeaf080f10 R08: 00007ffeaf081090 R09: 000000000000000c
[  375.342214][T10100] R10: 0000000000000000 R11: 0000000000000246 R12: 00007f0f511ee190
[  375.342215][T10100] R13: 00007ffeaf081018 R14: 00007f0f52c9f01a R15: 00007ffeaf081408
| [  382.193491][   T71] softirqs last disabled at (8660322): __fib6_clean_all (./include/linux/spinlock.h:353 net/ipv6/ip6_fib.c:2323)
| [  382.193494][   T71] Preemption disabled at:
| [  382.193495][   T71] vprintk_emit (kernel/printk/printk.c:2471)
| [  382.193506][   T71] Tainted: [W]=WARN
[  382.193507][   T71] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[  382.193509][   T71] Workqueue: netns cleanup_net
[  382.193514][   T71] Call Trace:
[  382.193516][   T71]  <TASK>
[  382.193518][   T71]  dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120)
[  382.193524][   T71]  ? vprintk_emit (kernel/printk/printk.c:2471)
[  382.193525][   T71]  __might_resched.cold (kernel/sched/core.c:9234)
[  382.193529][   T71]  ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3))
[  382.193532][   T71]  ? prb_next_reserve_seq (kernel/printk/printk_ringbuffer.c:2128)
[  382.193534][   T71]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  382.193537][   T71]  __kmalloc_noprof (./include/linux/sched/mm.h:322 (discriminator 2) mm/slub.c:4636 (discriminator 2) mm/slub.c:4974 (discriminator 2) mm/slub.c:5413 (discriminator 2) mm/slub.c:5439 (discriminator 2))
[  382.193540][   T71]  ? __rwlock_init (kernel/locking/spinlock_debug.c:48)
[  382.193543][   T71]  ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[  382.193547][   T71]  ? do_raw_spin_unlock (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:32 ./include/asm-generic/qspinlock.h:58 kernel/locking/spinlock_debug.c:101 kernel/locking/spinlock_debug.c:141)
[  382.193549][   T71]  alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[  382.193552][   T71]  put_chars (drivers/char/virtio_console.c:1176)
[  382.193553][   T71]  ? prb_final_commit (kernel/printk/printk_ringbuffer.c:1842)
[  382.193555][   T71]  ? __send_to_port (drivers/char/virtio_console.c:654)
[  382.193557][   T71]  ? printk_get_next_message (kernel/printk/printk.c:3072)
[  382.193560][   T71]  hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2))
[  382.193565][   T71]  ? hvc_write (drivers/tty/hvc/hvc_console.c:501)
[  382.193567][   T71]  ? 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)
[  382.193568][   T71]  ? vsnprintf (lib/vsprintf.c:2953 (discriminator 1))
[  382.193571][   T71]  ? __rwlock_init (kernel/locking/spinlock_debug.c:48)
[  382.193574][   T71]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  382.193576][   T71]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  382.193580][   T71]  console_emit_next_record (kernel/printk/printk.c:3183)
[  382.193584][   T71]  ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20)
[  382.193587][   T71]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  382.193588][   T71]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  382.193589][   T71]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  382.193590][   T71]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  382.193592][   T71]  ? console_flush_one_record (kernel/printk/printk.c:3247)
[  382.193594][   T71]  console_flush_one_record (kernel/printk/printk.c:3268)
[  382.193597][   T71]  ? console_emit_next_record (kernel/printk/printk.c:3150)
[  382.193600][   T71]  console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420)
[  382.193602][   T71]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  382.193603][   T71]  ? console_flush_one_record (kernel/printk/printk.c:3316)
[  382.193605][   T71]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  382.193606][   T71]  ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22))
[  382.193608][   T71]  ? 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)
[  382.193610][   T71]  ? __rcu_read_lock (kernel/rcu/tree_plugin.h:391 (discriminator 6))
[  382.193611][   T71]  ? __down_trylock_console_sem (kernel/printk/printk.c:334)
[  382.193613][   T71]  ? vprintk_emit (kernel/printk/printk.c:2478)
[  382.193615][   T71]  vprintk_emit (kernel/printk/printk.c:2479)
[  382.193617][   T71]  ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126))
[  382.193618][   T71]  ? net_disable_timestamp (./include/linux/workqueue.h:761)
[  382.193620][   T71]  ? net_generic (./include/linux/rcupdate.h:882 ./include/net/netns/generic.h:48) vxlan
[  382.193627][   T71]  _printk (kernel/printk/printk.c:2504)
[  382.193630][   T71]  ? snapshot_read.cold (user.c:?)
[  382.193632][   T71]  ? netdev_name (./include/linux/netdevice.h:5709 (discriminator 1))
[  382.193636][   T71]  ? __netdev_printk (net/core/dev.c:13148 (discriminator 2))
[  382.193638][   T71]  netdev_info (net/core/dev.c:13195 (discriminator 3))
[  382.193640][   T71]  ? netdev_notice (net/core/dev.c:13194)
[  382.193642][   T71]  ? __netdev_upper_dev_unlink (net/core/dev.c:9094)
[  382.193645][   T71]  ? synchronize_rcu_expedited (kernel/rcu/tree_exp.h:985)
[  382.193648][   T71]  ? 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)
[  382.193649][   T71]  __dev_set_promiscuity.cold (net/core/dev.c:9672 (discriminator 3))
[  382.193652][   T71]  netif_set_promiscuity (net/core/dev.c:9699)
[  382.193655][   T71]  dev_set_promiscuity (net/core/dev_api.c:288)
[  382.193657][   T71]  ? rtnl_is_locked (net/core/rtnetlink.c:169)
[  382.193660][   T71] ovs_netdev_detach_dev (net/openvswitch/vport-netdev.c:174) openvswitch
[  382.193669][   T71] dp_device_event (net/openvswitch/dp_notify.c:74) openvswitch
[  382.193674][   T71]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  382.193676][   T71]  notifier_call_chain (kernel/notifier.c:85)
[  382.193679][   T71]  unregister_netdevice_many_notify (net/core/dev.c:2313 net/core/dev.c:2327 net/core/dev.c:12518)
[  382.193681][   T71]  ? unregister_netdevice_queued (./include/linux/list.h:419 (discriminator 3))
[  382.193683][   T71]  ? get_rps_cpu (net/core/dev.c:5240)
[  382.193686][   T71]  default_device_exit_batch (net/core/dev.c:12589 net/core/dev.c:13288)
[  382.193688][   T71]  ? __mutex_unlock_slowpath (./include/linux/preempt.h:500 (discriminator 1) kernel/locking/mutex.c:999 (discriminator 1))
[  382.193689][   T71]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  382.193691][   T71]  ? unregister_netdevice_queue (./include/linux/list.h:173)
[  382.193693][   T71]  ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3))
[  382.193695][   T71]  ? fou_exit_net (net/ipv4/fou_core.c:1228)
[  382.193698][   T71]  ops_undo_list (net/core/net_namespace.c:206 net/core/net_namespace.c:253)
[  382.193700][   T71]  ? netns_install (./include/linux/ns_common.h:26)
[  382.193702][   T71]  ? idr_destroy (lib/radix-tree.c:310 lib/radix-tree.c:674 lib/radix-tree.c:1563)
[  382.193705][   T71]  cleanup_net (net/core/net_namespace.c:706)
[  382.193707][   T71]  ? net_passive_dec (./include/linux/llist.h:241)
[  382.193708][   T71]  ? update_load_avg (kernel/sched/fair.c:5864)
[  382.193712][   T71]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  382.193713][   T71]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  382.193715][   T71]  process_one_work (kernel/workqueue.c:3387)
[  382.193719][   T71]  ? __queue_delayed_work (kernel/workqueue.c:2622)
[  382.193721][   T71]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[  382.193723][   T71]  ? __rwlock_init (kernel/locking/spinlock_debug.c:48)
[  382.193726][   T71]  worker_thread (kernel/workqueue.c:3470 kernel/workqueue.c:3551)
[  382.193728][   T71]  ? rescuer_thread (./include/linux/list.h:419 (discriminator 3))
[  382.193730][   T71]  ? __kthread_parkme (./include/linux/instrumented.h:82 ./include/asm-generic/bitops/instrumented-non-atomic.h:141 kernel/kthread.c:272)
[  382.193732][   T71]  ? rescuer_thread (./include/linux/list.h:419 (discriminator 3))
[  382.193734][   T71]  ? rescuer_thread (./include/linux/list.h:419 (discriminator 3))
[  382.193736][   T71]  kthread (kernel/kthread.c:436)
[  382.193738][   T71]  ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22))
[  382.193741][   T71]  ? kthread_affine_preferred (kernel/kthread.c:857)
[  382.193744][   T71]  ret_from_fork (arch/x86/kernel/process.c:158)
[  382.193747][   T71]  ? arch_exit_to_user_mode_prepare.isra.0 (arch/x86/entry/vdso/vma.c:80 (discriminator 1))
[  382.193749][   T71]  ? __switch_to (arch/x86/kernel/process_64.c:403 arch/x86/kernel/process_64.c:663)
[  382.193752][   T71]  ? kthread_affine_preferred (kernel/kthread.c:857)
[  382.193754][   T71]  ret_from_fork_asm (arch/x86/entry/entry_64.S:245)
| [  384.009093][T10326] softirqs last disabled at (0): 0x0
| [  384.009094][T10326] Preemption disabled at:
| [  384.009095][T10326] vprintk_emit (kernel/printk/printk.c:2471)
| [  384.009106][T10326] Tainted: [W]=WARN
[  384.009107][T10326] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[  384.009109][T10326] Call Trace:
[  384.009110][T10326]  <TASK>
[  384.009112][T10326]  dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120)
[  384.009118][T10326]  ? vprintk_emit (kernel/printk/printk.c:2471)
[  384.009119][T10326]  __might_resched.cold (kernel/sched/core.c:9234)
[  384.009123][T10326]  ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3))
[  384.009127][T10326]  ? __asan_memcpy (mm/kasan/shadow.c:106 (discriminator 1))
[  384.009131][T10326]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  384.009133][T10326]  __kmalloc_noprof (./include/linux/sched/mm.h:322 (discriminator 2) mm/slub.c:4636 (discriminator 2) mm/slub.c:4974 (discriminator 2) mm/slub.c:5413 (discriminator 2) mm/slub.c:5439 (discriminator 2))
[  384.009136][T10326]  ? __rwlock_init (kernel/locking/spinlock_debug.c:48)
[  384.009139][T10326]  ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[  384.009144][T10326]  ? do_raw_spin_unlock (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:32 ./include/asm-generic/qspinlock.h:58 kernel/locking/spinlock_debug.c:101 kernel/locking/spinlock_debug.c:141)
[  384.009146][T10326]  alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[  384.009149][T10326]  put_chars (drivers/char/virtio_console.c:1176)
[  384.009151][T10326]  ? __send_to_port (drivers/char/virtio_console.c:654)
[  384.009153][T10326]  ? console_prepend_replay (kernel/printk/printk.c:3005)
[  384.009156][T10326]  hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2))
[  384.009161][T10326]  ? hvc_write (drivers/tty/hvc/hvc_console.c:501)
[  384.009163][T10326]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  384.009164][T10326]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  384.009167][T10326]  console_emit_next_record (kernel/printk/printk.c:3183)
[  384.009170][T10326]  ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20)
[  384.009172][T10326]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  384.009173][T10326]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  384.009174][T10326]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  384.009175][T10326]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  384.009177][T10326]  ? console_flush_one_record (kernel/printk/printk.c:3247)
[  384.009179][T10326]  console_flush_one_record (kernel/printk/printk.c:3268)
[  384.009182][T10326]  ? console_emit_next_record (kernel/printk/printk.c:3150)
[  384.009185][T10326]  console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420)
[  384.009187][T10326]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  384.009188][T10326]  ? console_flush_one_record (kernel/printk/printk.c:3316)
[  384.009190][T10326]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  384.009191][T10326]  ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22))
[  384.009193][T10326]  ? 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)
[  384.009194][T10326]  ? __rcu_read_lock (kernel/rcu/tree_plugin.h:391 (discriminator 6))
[  384.009196][T10326]  ? __down_trylock_console_sem (kernel/printk/printk.c:334)
[  384.009198][T10326]  ? vprintk_emit (kernel/printk/printk.c:2478)
[  384.009199][T10326]  vprintk_emit (kernel/printk/printk.c:2479)
[  384.009201][T10326]  ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126))
[  384.009203][T10326]  ? entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[  384.009205][T10326]  _printk (kernel/printk/printk.c:2504)
[  384.009209][T10326]  ? snapshot_read.cold (user.c:?)
[  384.009211][T10326]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  384.009212][T10326]  ? netdev_name (./include/linux/netdevice.h:5709 (discriminator 1))
[  384.009215][T10326]  ? __netdev_printk (net/core/dev.c:13148 (discriminator 2))
[  384.009218][T10326]  netdev_info (net/core/dev.c:13195 (discriminator 3))
[  384.009220][T10326]  ? netdev_notice (net/core/dev.c:13194)
[  384.009222][T10326]  ? internal_dev_destroy (net/openvswitch/vport-internal_dev.c:178) openvswitch
[  384.009229][T10326]  ? ww_mutex_lock (kernel/locking/mutex.c:934)
[  384.009233][T10326]  ? 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)
[  384.009234][T10326]  __dev_set_promiscuity.cold (net/core/dev.c:9672 (discriminator 3))
[  384.009237][T10326]  netif_set_promiscuity (net/core/dev.c:9699)
[  384.009241][T10326]  dev_set_promiscuity (net/core/dev_api.c:288)
[  384.009243][T10326] internal_dev_destroy (net/openvswitch/vport-internal_dev.c:179) openvswitch
[  384.009248][T10326] __dp_destroy (net/openvswitch/datapath.c:1969 (discriminator 1)) openvswitch
[  384.009260][T10326] ovs_dp_cmd_del (net/openvswitch/datapath.c:2003) openvswitch
[  384.009264][T10326]  genl_family_rcv_msg_doit (net/netlink/genetlink.c:1114)
[  384.009268][T10326]  ? genl_family_rcv_msg_attrs_parse.isra.0 (./include/net/netlink.h:785 (discriminator 2))
[  384.009272][T10326]  ? security_capable (security/security.c:660 (discriminator 11))
[  384.009275][T10326]  genl_family_rcv_msg (net/netlink/genetlink.c:1194)
[  384.009278][T10326]  ? genl_family_rcv_msg_dumpit (net/netlink/genetlink.c:1079)
[  384.009280][T10326]  ? __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
[  384.009284][T10326]  ? filter_irq_stacks (kernel/stacktrace.c:402)
[  384.009287][T10326]  ? stack_depot_save_flags (lib/stackdepot.c:609 lib/stackdepot.c:676)
[  384.009291][T10326]  genl_rcv_msg (net/netlink/genetlink.c:1209)
[  384.009293][T10326]  netlink_rcv_skb (net/netlink/af_netlink.c:2556)
[  384.009295][T10326]  ? genl_family_rcv_msg (net/netlink/genetlink.c:1136 (discriminator 2))
[  384.009297][T10326]  ? netlink_ack (./include/linux/skbuff.h:2718)
[  384.009300][T10326]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  384.009302][T10326]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  384.009303][T10326]  ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22))
[  384.009305][T10326]  genl_rcv (net/netlink/genetlink.c:1218)
[  384.009307][T10326]  netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[  384.009310][T10326]  ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[  384.009312][T10326]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  384.009313][T10326]  netlink_sendmsg (net/netlink/af_netlink.c:1900)
[  384.009316][T10326]  ? netlink_unicast (./include/net/net_namespace.h:422 (discriminator 7))
[  384.009318][T10326]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  384.009320][T10326]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  384.009321][T10326]  __sock_sendmsg (net/socket.c:800 (discriminator 4) net/socket.c:815 (discriminator 4))
[  384.009324][T10326]  ? fdget (fs/file.c:1200 fs/file.c:1208)
[  384.009327][T10326]  __sys_sendto (net/socket.c:2281)
[  384.009330][T10326]  ? __ia32_sys_getpeername (net/socket.c:2235)
[  384.009334][T10326]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  384.009335][T10326]  ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22))
[  384.009337][T10326]  __x64_sys_sendto (net/socket.c:2288 net/socket.c:2284 net/socket.c:2284)
[  384.009339][T10326]  ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22))
[  384.009342][T10326]  ? trace_hardirqs_off_finish (./include/trace/events/preemptirq.h:36 (discriminator 22) kernel/trace/trace_preemptirq.c:95 (discriminator 22) kernel/trace/trace_preemptirq.c:90 (discriminator 22))
[  384.009344][T10326]  ? trace_hardirqs_on (kernel/trace/trace_preemptirq.c:78)
[  384.009345][T10326]  do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84)
[  384.009348][T10326]  ? exc_page_fault (arch/x86/mm/fault.c:1489 (discriminator 3) arch/x86/mm/fault.c:1536 (discriminator 3))
[  384.009350][T10326]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[  384.009352][T10326] RIP: 0033:0x7f6a102f7312
[  384.009354][T10326] 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)
[  384.009356][T10326] RSP: 002b:00007ffcfc856958 EFLAGS: 00000246 ORIG_RAX: 000000000000002c
[  384.009359][T10326] RAX: ffffffffffffffda RBX: 00007ffcfc856a88 RCX: 00007f6a102f7312
[  384.009361][T10326] RDX: 0000000000000024 RSI: 00007f6a0c6799b0 RDI: 0000000000000020
[  384.009362][T10326] RBP: 00007ffcfc856980 R08: 00007ffcfc856b00 R09: 000000000000000c
[  384.009363][T10326] R10: 0000000000000000 R11: 0000000000000246 R12: 00007f6a0e159e10
[  384.009364][T10326] R13: 00007ffcfc856a88 R14: 00007f6a0fc1601a R15: 00007ffcfc856e78
| [  386.042545][T10421] softirqs last disabled at (0): 0x0
| [  386.042547][T10421] Preemption disabled at:
| [  386.042548][T10421] vprintk_emit (kernel/printk/printk.c:2471)
| [  386.042559][T10421] Tainted: [W]=WARN
[  386.042560][T10421] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[  386.042561][T10421] Call Trace:
[  386.042563][T10421]  <TASK>
[  386.042564][T10421]  dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120)
[  386.042570][T10421]  ? vprintk_emit (kernel/printk/printk.c:2471)
[  386.042571][T10421]  __might_resched.cold (kernel/sched/core.c:9234)
[  386.042576][T10421]  ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3))
[  386.042580][T10421]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  386.042584][T10421]  __kmalloc_noprof (./include/linux/sched/mm.h:322 (discriminator 2) mm/slub.c:4636 (discriminator 2) mm/slub.c:4974 (discriminator 2) mm/slub.c:5413 (discriminator 2) mm/slub.c:5439 (discriminator 2))
[  386.042588][T10421]  ? __rwlock_init (kernel/locking/spinlock_debug.c:48)
[  386.042592][T10421]  ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[  386.042598][T10421]  ? do_raw_spin_unlock (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:32 ./include/asm-generic/qspinlock.h:58 kernel/locking/spinlock_debug.c:101 kernel/locking/spinlock_debug.c:141)
[  386.042600][T10421]  alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[  386.042603][T10421]  put_chars (drivers/char/virtio_console.c:1176)
[  386.042605][T10421]  ? __send_to_port (drivers/char/virtio_console.c:654)
[  386.042607][T10421]  ? printk_get_next_message (kernel/printk/printk.c:3072)
[  386.042610][T10421]  hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2))
[  386.042615][T10421]  ? hvc_write (drivers/tty/hvc/hvc_console.c:501)
[  386.042617][T10421]  ? __rwlock_init (kernel/locking/spinlock_debug.c:48)
[  386.042619][T10421]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  386.042620][T10421]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  386.042623][T10421]  console_emit_next_record (kernel/printk/printk.c:3183)
[  386.042625][T10421]  ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20)
[  386.042628][T10421]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  386.042629][T10421]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  386.042630][T10421]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  386.042631][T10421]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  386.042633][T10421]  ? console_flush_one_record (kernel/printk/printk.c:3247)
[  386.042635][T10421]  console_flush_one_record (kernel/printk/printk.c:3268)
[  386.042638][T10421]  ? console_emit_next_record (kernel/printk/printk.c:3150)
[  386.042641][T10421]  console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420)
[  386.042642][T10421]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  386.042644][T10421]  ? console_flush_one_record (kernel/printk/printk.c:3316)
[  386.042646][T10421]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  386.042647][T10421]  ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22))
[  386.042649][T10421]  ? 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)
[  386.042650][T10421]  ? __rcu_read_lock (kernel/rcu/tree_plugin.h:391 (discriminator 6))
[  386.042652][T10421]  ? __down_trylock_console_sem (kernel/printk/printk.c:334)
[  386.042654][T10421]  ? vprintk_emit (kernel/printk/printk.c:2478)
[  386.042656][T10421]  vprintk_emit (kernel/printk/printk.c:2479)
[  386.042658][T10421]  ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126))
[  386.042659][T10421]  ? do_raw_spin_trylock (./include/linux/instrumented.h:55 ./include/linux/atomic/atomic-instrumented.h:1301 ./include/asm-generic/qspinlock.h:98 kernel/locking/spinlock_debug.c:123)
[  386.042665][T10421]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  386.042666][T10421]  ? genl_family_rcv_msg (net/netlink/genetlink.c:1194)
[  386.042670][T10421]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  386.042672][T10421]  _printk (kernel/printk/printk.c:2504)
[  386.042675][T10421]  ? snapshot_read.cold (user.c:?)
[  386.042677][T10421]  ? ___ratelimit (lib/ratelimit.c:97 (discriminator 3))
[  386.042681][T10421]  ? idr_get_free (??:?)
[  386.042683][T10421]  ? trace_irq_enable.constprop.0 (./include/linux/instrumented.h:82 ./include/asm-generic/bitops/instrumented-non-atomic.h:141 ./include/linux/cpumask.h:650 ./include/linux/cpumask.h:1232 ./include/trace/events/preemptirq.h:40)
[  386.042687][T10421]  validate_nla.cold (lib/nlattr.c:414 (discriminator 4))
[  386.042695][T10421]  ? nla_get_range_signed (lib/nlattr.c:270)
[  386.042699][T10421]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  386.042700][T10421]  ? trace_kmalloc (./include/trace/events/kmem.h:57 (discriminator 22))
[  386.042703][T10421]  __nla_validate_parse (lib/nlattr.c:635)
[  386.042706][T10421]  __nla_parse (lib/nlattr.c:732)
[  386.042709][T10421]  genl_family_rcv_msg_attrs_parse.isra.0 (./include/net/netlink.h:789 (discriminator 2) net/netlink/genetlink.c:944 (discriminator 2))
[  386.042711][T10421]  ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22))
[  386.042713][T10421]  genl_family_rcv_msg_doit (net/netlink/genetlink.c:1092)
[  386.042716][T10421]  ? genl_family_rcv_msg_attrs_parse.isra.0 (./include/net/netlink.h:785 (discriminator 2))
[  386.042719][T10421]  ? security_capable (security/security.c:660 (discriminator 11))
[  386.042722][T10421]  genl_family_rcv_msg (net/netlink/genetlink.c:1194)
[  386.042725][T10421]  ? genl_family_rcv_msg_dumpit (net/netlink/genetlink.c:1079)
[  386.042728][T10421]  ? ovs_dp_cmd_get (./include/net/net_namespace.h:422 (discriminator 7)) openvswitch
[  386.042735][T10421]  ? filter_irq_stacks (kernel/stacktrace.c:402)
[  386.042738][T10421]  ? stack_depot_save_flags (lib/stackdepot.c:609 lib/stackdepot.c:676)
[  386.042740][T10421]  genl_rcv_msg (net/netlink/genetlink.c:1209)
[  386.042743][T10421]  netlink_rcv_skb (net/netlink/af_netlink.c:2556)
[  386.042745][T10421]  ? genl_family_rcv_msg (net/netlink/genetlink.c:1136 (discriminator 2))
[  386.042747][T10421]  ? netlink_ack (./include/linux/skbuff.h:2718)
[  386.042750][T10421]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  386.042751][T10421]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  386.042753][T10421]  ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22))
[  386.042755][T10421]  genl_rcv (net/netlink/genetlink.c:1218)
[  386.042757][T10421]  netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[  386.042759][T10421]  ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[  386.042762][T10421]  netlink_sendmsg (net/netlink/af_netlink.c:1900)
[  386.042764][T10421]  ? netlink_unicast (./include/net/net_namespace.h:422 (discriminator 7))
[  386.042766][T10421]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  386.042768][T10421]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  386.042770][T10421]  __sock_sendmsg (net/socket.c:800 (discriminator 4) net/socket.c:815 (discriminator 4))
[  386.042773][T10421]  ? fdget (fs/file.c:1200 fs/file.c:1208)
[  386.042776][T10421]  __sys_sendto (net/socket.c:2281)
[  386.042779][T10421]  ? __ia32_sys_getpeername (net/socket.c:2235)
[  386.042783][T10421]  ? fput_close_sync (fs/file_table.c:617)
[  386.042786][T10421]  ? alloc_file_clone (fs/file_table.c:479)
[  386.042788][T10421]  __x64_sys_sendto (net/socket.c:2288 net/socket.c:2284 net/socket.c:2284)
[  386.042790][T10421]  ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22))
[  386.042791][T10421]  ? trace_hardirqs_off_finish (./include/trace/events/preemptirq.h:36 (discriminator 22) kernel/trace/trace_preemptirq.c:95 (discriminator 22) kernel/trace/trace_preemptirq.c:90 (discriminator 22))
[  386.042793][T10421]  ? trace_hardirqs_on (kernel/trace/trace_preemptirq.c:78)
[  386.042794][T10421]  do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84)
[  386.042797][T10421]  ? exc_page_fault (arch/x86/mm/fault.c:1489 (discriminator 3) arch/x86/mm/fault.c:1536 (discriminator 3))
[  386.042799][T10421]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[  386.042801][T10421] RIP: 0033:0x7fa7e4d6f312
[  386.042803][T10421] 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)
[  386.042805][T10421] RSP: 002b:00007fff2f34cc88 EFLAGS: 00000246 ORIG_RAX: 000000000000002c
[  386.042809][T10421] RAX: ffffffffffffffda RBX: 00007fff2f34cdb8 RCX: 00007fa7e4d6f312
[  386.042811][T10421] RDX: 0000000000000044 RSI: 00007fa7e2adf370 RDI: 0000000000000020
[  386.042812][T10421] RBP: 00007fff2f34ccb0 R08: 00007fff2f34ce30 R09: 000000000000000c
[  386.042813][T10421] R10: 0000000000000000 R11: 0000000000000246 R12: 00007fa7e2bd20b0
[  386.042814][T10421] R13: 00007fff2f34cdb8 R14: 00007fa7e468e01a R15: 00007fff2f34d1a8
| [  387.557341][T10478] softirqs last disabled at (0): 0x0
| [  387.557343][T10478] Preemption disabled at:
| [  387.557344][T10478] vprintk_emit (kernel/printk/printk.c:2471)
| [  387.557355][T10478] Tainted: [W]=WARN
[  387.557355][T10478] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[  387.557357][T10478] Call Trace:
[  387.557359][T10478]  <TASK>
[  387.557360][T10478]  dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120)
[  387.557366][T10478]  ? vprintk_emit (kernel/printk/printk.c:2471)
[  387.557368][T10478]  __might_resched.cold (kernel/sched/core.c:9234)
[  387.557371][T10478]  ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3))
[  387.557375][T10478]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  387.557377][T10478]  __kmalloc_noprof (./include/linux/sched/mm.h:322 (discriminator 2) mm/slub.c:4636 (discriminator 2) mm/slub.c:4974 (discriminator 2) mm/slub.c:5413 (discriminator 2) mm/slub.c:5439 (discriminator 2))
[  387.557380][T10478]  ? __rwlock_init (kernel/locking/spinlock_debug.c:48)
[  387.557384][T10478]  ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[  387.557389][T10478]  ? do_raw_spin_unlock (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:32 ./include/asm-generic/qspinlock.h:58 kernel/locking/spinlock_debug.c:101 kernel/locking/spinlock_debug.c:141)
[  387.557391][T10478]  alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[  387.557394][T10478]  put_chars (drivers/char/virtio_console.c:1176)
[  387.557396][T10478]  ? __send_to_port (drivers/char/virtio_console.c:654)
[  387.557398][T10478]  ? printk_get_next_message (kernel/printk/printk.c:3072)
[  387.557400][T10478]  ? console_prepend_replay (kernel/printk/printk.c:3005)
[  387.557402][T10478]  hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2))
[  387.557407][T10478]  ? hvc_write (drivers/tty/hvc/hvc_console.c:501)
[  387.557410][T10478]  ? __rwlock_init (kernel/locking/spinlock_debug.c:48)
[  387.557411][T10478]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  387.557412][T10478]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  387.557414][T10478]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  387.557417][T10478]  console_emit_next_record (kernel/printk/printk.c:3183)
[  387.557420][T10478]  ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20)
[  387.557422][T10478]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  387.557423][T10478]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  387.557424][T10478]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  387.557425][T10478]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  387.557427][T10478]  ? console_flush_one_record (kernel/printk/printk.c:3247)
[  387.557429][T10478]  console_flush_one_record (kernel/printk/printk.c:3268)
[  387.557431][T10478]  ? console_emit_next_record (kernel/printk/printk.c:3150)
[  387.557434][T10478]  console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420)
[  387.557436][T10478]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  387.557438][T10478]  ? console_flush_one_record (kernel/printk/printk.c:3316)
[  387.557440][T10478]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  387.557441][T10478]  ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22))
[  387.557442][T10478]  ? 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)
[  387.557444][T10478]  ? __rcu_read_lock (kernel/rcu/tree_plugin.h:391 (discriminator 6))
[  387.557445][T10478]  ? __down_trylock_console_sem (kernel/printk/printk.c:334)
[  387.557448][T10478]  ? vprintk_emit (kernel/printk/printk.c:2478)
[  387.557449][T10478]  vprintk_emit (kernel/printk/printk.c:2479)
[  387.557451][T10478]  ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126))
[  387.557453][T10478]  _printk (kernel/printk/printk.c:2504)
[  387.557456][T10478]  ? snapshot_read.cold (user.c:?)
[  387.557458][T10478]  ? rcu_read_lock_held (kernel/rcu/update.c:105 kernel/rcu/update.c:349)
[  387.557461][T10478]  ? netdev_upper_get_next_dev_rcu (net/core/dev.c:8213 (discriminator 1))
[  387.557464][T10478]  ? 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)
[  387.557466][T10478]  ? __netdev_update_features (net/core/dev.c:11078 (discriminator 2))
[  387.557468][T10478]  ? netdev_name (./include/linux/netdevice.h:5709 (discriminator 1))
[  387.557471][T10478]  ? __netdev_printk (net/core/dev.c:13148 (discriminator 2))
[  387.557473][T10478]  netdev_info (net/core/dev.c:13195 (discriminator 3))
[  387.557476][T10478]  ? netdev_notice (net/core/dev.c:13194)
[  387.557477][T10478]  ? ovs_netdev_link (net/openvswitch/vport-netdev.c:85) openvswitch
[  387.557485][T10478]  ? 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)
[  387.557487][T10478]  __dev_set_promiscuity.cold (net/core/dev.c:9672 (discriminator 3))
[  387.557489][T10478]  netif_set_promiscuity (net/core/dev.c:9699)
[  387.557492][T10478]  dev_set_promiscuity (net/core/dev_api.c:288)
[  387.557494][T10478]  ? dev_disable_lro (net/core/dev_api.c:267)
[  387.557495][T10478] ovs_netdev_link (net/openvswitch/vport-netdev.c:106) openvswitch
[  387.557499][T10478] ovs_vport_add (net/openvswitch/vport.c:209) openvswitch
[  387.557503][T10478]  ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22))
[  387.557505][T10478] new_vport (net/openvswitch/datapath.c:203) openvswitch
[  387.557510][T10478]  ? ovs_lookup_vport (net/openvswitch/datapath.c:190) openvswitch
[  387.557513][T10478] ovs_vport_cmd_new (net/openvswitch/datapath.c:2389) openvswitch
[  387.557517][T10478]  ? ovs_vport_cmd_fill_info.isra.0 (./include/net/netlink.h:1107 (discriminator 1)) openvswitch
[  387.557521][T10478]  ? __nla_validate_parse (lib/nlattr.c:635)
[  387.557525][T10478]  ? __nla_parse (lib/nlattr.c:732)
[  387.557527][T10478]  ? genl_family_rcv_msg_attrs_parse.isra.0 (./include/net/netlink.h:789 (discriminator 2) net/netlink/genetlink.c:944 (discriminator 2))
[  387.557531][T10478]  genl_family_rcv_msg_doit (net/netlink/genetlink.c:1114)
[  387.557533][T10478]  ? genl_family_rcv_msg_attrs_parse.isra.0 (./include/net/netlink.h:785 (discriminator 2))
[  387.557537][T10478]  ? security_capable (security/security.c:660 (discriminator 11))
[  387.557540][T10478]  genl_family_rcv_msg (net/netlink/genetlink.c:1194)
[  387.557542][T10478]  ? genl_family_rcv_msg_dumpit (net/netlink/genetlink.c:1079)
[  387.557545][T10478]  ? ovs_vport_cmd_fill_info.isra.0 (./include/net/netlink.h:1107 (discriminator 1)) openvswitch
[  387.557548][T10478]  ? filter_irq_stacks (kernel/stacktrace.c:402)
[  387.557551][T10478]  ? stack_depot_save_flags (lib/stackdepot.c:609 lib/stackdepot.c:676)
[  387.557554][T10478]  genl_rcv_msg (net/netlink/genetlink.c:1209)
[  387.557556][T10478]  netlink_rcv_skb (net/netlink/af_netlink.c:2556)
[  387.557558][T10478]  ? genl_family_rcv_msg (net/netlink/genetlink.c:1136 (discriminator 2))
[  387.557560][T10478]  ? netlink_ack (./include/linux/skbuff.h:2718)
[  387.557563][T10478]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  387.557565][T10478]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  387.557566][T10478]  ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22))
[  387.557568][T10478]  genl_rcv (net/netlink/genetlink.c:1218)
[  387.557570][T10478]  netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[  387.557573][T10478]  ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[  387.557575][T10478]  ? trace_hardirqs_on (kernel/trace/trace_preemptirq.c:78)
[  387.557579][T10478]  ? __wake_up (./include/linux/spinlock.h:425 (discriminator 3) kernel/sched/wait.c:128 (discriminator 3) kernel/sched/wait.c:147 (discriminator 3))
[  387.557583][T10478]  netlink_sendmsg (net/netlink/af_netlink.c:1900)
[  387.557587][T10478]  ? netlink_unicast (./include/net/net_namespace.h:422 (discriminator 7))
[  387.557590][T10478]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  387.557592][T10478]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  387.557593][T10478]  __sock_sendmsg (net/socket.c:800 (discriminator 4) net/socket.c:815 (discriminator 4))
[  387.557596][T10478]  ? fdget (fs/file.c:1200 fs/file.c:1208)
[  387.557599][T10478]  __sys_sendto (net/socket.c:2281)
[  387.557602][T10478]  ? __ia32_sys_getpeername (net/socket.c:2235)
[  387.557605][T10478]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  387.557606][T10478]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  387.557609][T10478]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  387.557610][T10478]  ? fput (./include/linux/preempt.h:500 (discriminator 1) ./include/linux/file_ref.h:150 (discriminator 1) fs/file_table.c:588 (discriminator 1))
[  387.557612][T10478]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  387.557614][T10478]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  387.557616][T10478]  __x64_sys_sendto (net/socket.c:2288 net/socket.c:2284 net/socket.c:2284)
[  387.557617][T10478]  ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22))
[  387.557619][T10478]  ? trace_hardirqs_off_finish (./include/trace/events/preemptirq.h:36 (discriminator 22) kernel/trace/trace_preemptirq.c:95 (discriminator 22) kernel/trace/trace_preemptirq.c:90 (discriminator 22))
[  387.557621][T10478]  ? trace_hardirqs_on (kernel/trace/trace_preemptirq.c:78)
[  387.557622][T10478]  do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84)
[  387.557626][T10478]  ? exc_page_fault (arch/x86/mm/fault.c:1489 (discriminator 3) arch/x86/mm/fault.c:1536 (discriminator 3))
[  387.557628][T10478]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[  387.557630][T10478] RIP: 0033:0x7f64d47d1312
[  387.557632][T10478] 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)
[  387.557635][T10478] RSP: 002b:00007ffeb89fe068 EFLAGS: 00000246 ORIG_RAX: 000000000000002c
[  387.557638][T10478] RAX: ffffffffffffffda RBX: 00007ffeb89fe198 RCX: 00007f64d47d1312
[  387.557640][T10478] RDX: 0000000000000038 RSI: 00007f64d043dc30 RDI: 0000000000000023
[  387.557641][T10478] RBP: 00007ffeb89fe090 R08: 00007ffeb89fe210 R09: 000000000000000c
[  387.557642][T10478] R10: 0000000000000000 R11: 0000000000000246 R12: 00007f64d262e190
[  387.557643][T10478] R13: 00007ffeb89fe198 R14: 00007f64d40f001a R15: 00007ffeb89fe588
| [  394.311293][   T71] softirqs last disabled at (8660322): __fib6_clean_all (./include/linux/spinlock.h:353 net/ipv6/ip6_fib.c:2323)
| [  394.311296][   T71] Preemption disabled at:
| [  394.311297][   T71] vprintk_emit (kernel/printk/printk.c:2471)
| [  394.311307][   T71] Tainted: [W]=WARN
[  394.311308][   T71] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[  394.311310][   T71] Workqueue: netns cleanup_net
[  394.311316][   T71] Call Trace:
[  394.311317][   T71]  <TASK>
[  394.311319][   T71]  dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120)
[  394.311325][   T71]  ? vprintk_emit (kernel/printk/printk.c:2471)
[  394.311326][   T71]  __might_resched.cold (kernel/sched/core.c:9234)
[  394.311336][   T71]  ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3))
[  394.311340][   T71]  ? prb_next_reserve_seq (kernel/printk/printk_ringbuffer.c:2128)
[  394.311342][   T71]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  394.311345][   T71]  __kmalloc_noprof (./include/linux/sched/mm.h:322 (discriminator 2) mm/slub.c:4636 (discriminator 2) mm/slub.c:4974 (discriminator 2) mm/slub.c:5413 (discriminator 2) mm/slub.c:5439 (discriminator 2))
[  394.311348][   T71]  ? __rwlock_init (kernel/locking/spinlock_debug.c:48)
[  394.311351][   T71]  ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[  394.311356][   T71]  ? do_raw_spin_unlock (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:32 ./include/asm-generic/qspinlock.h:58 kernel/locking/spinlock_debug.c:101 kernel/locking/spinlock_debug.c:141)
[  394.311358][   T71]  alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[  394.311360][   T71]  put_chars (drivers/char/virtio_console.c:1176)
[  394.311362][   T71]  ? prb_final_commit (kernel/printk/printk_ringbuffer.c:1842)
[  394.311364][   T71]  ? __send_to_port (drivers/char/virtio_console.c:654)
[  394.311365][   T71]  ? printk_get_next_message (kernel/printk/printk.c:3072)
[  394.311369][   T71]  hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2))
[  394.311373][   T71]  ? hvc_write (drivers/tty/hvc/hvc_console.c:501)
[  394.311375][   T71]  ? 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)
[  394.311377][   T71]  ? vsnprintf (lib/vsprintf.c:2953 (discriminator 1))
[  394.311380][   T71]  ? __rwlock_init (kernel/locking/spinlock_debug.c:48)
[  394.311381][   T71]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  394.311383][   T71]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  394.311385][   T71]  console_emit_next_record (kernel/printk/printk.c:3183)
[  394.311388][   T71]  ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20)
[  394.311390][   T71]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  394.311391][   T71]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  394.311392][   T71]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  394.311394][   T71]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  394.311396][   T71]  ? console_flush_one_record (kernel/printk/printk.c:3247)
[  394.311397][   T71]  console_flush_one_record (kernel/printk/printk.c:3268)
[  394.311400][   T71]  ? console_emit_next_record (kernel/printk/printk.c:3150)
[  394.311403][   T71]  console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420)
[  394.311405][   T71]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  394.311407][   T71]  ? console_flush_one_record (kernel/printk/printk.c:3316)
[  394.311408][   T71]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  394.311410][   T71]  ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22))
[  394.311411][   T71]  ? 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)
[  394.311413][   T71]  ? __rcu_read_lock (kernel/rcu/tree_plugin.h:391 (discriminator 6))
[  394.311414][   T71]  ? __down_trylock_console_sem (kernel/printk/printk.c:334)
[  394.311416][   T71]  ? vprintk_emit (kernel/printk/printk.c:2478)
[  394.311418][   T71]  vprintk_emit (kernel/printk/printk.c:2479)
[  394.311419][   T71]  ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126))
[  394.311421][   T71]  ? net_disable_timestamp (./include/linux/workqueue.h:761)
[  394.311423][   T71]  ? net_generic (./include/linux/rcupdate.h:882 ./include/net/netns/generic.h:48) vxlan
[  394.311430][   T71]  _printk (kernel/printk/printk.c:2504)
[  394.311433][   T71]  ? snapshot_read.cold (user.c:?)
[  394.311435][   T71]  ? netdev_name (./include/linux/netdevice.h:5709 (discriminator 1))
[  394.311439][   T71]  ? __netdev_printk (net/core/dev.c:13148 (discriminator 2))
[  394.311441][   T71]  netdev_info (net/core/dev.c:13195 (discriminator 3))
[  394.311443][   T71]  ? netdev_notice (net/core/dev.c:13194)
[  394.311445][   T71]  ? __netdev_upper_dev_unlink (net/core/dev.c:9094)
[  394.311448][   T71]  ? synchronize_rcu_expedited (kernel/rcu/tree_exp.h:985)
[  394.311451][   T71]  ? 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)
[  394.311453][   T71]  __dev_set_promiscuity.cold (net/core/dev.c:9672 (discriminator 3))
[  394.311455][   T71]  netif_set_promiscuity (net/core/dev.c:9699)
[  394.311457][   T71]  dev_set_promiscuity (net/core/dev_api.c:288)
[  394.311459][   T71]  ? rtnl_is_locked (net/core/rtnetlink.c:169)
[  394.311463][   T71] ovs_netdev_detach_dev (net/openvswitch/vport-netdev.c:174) openvswitch
[  394.311469][   T71] dp_device_event (net/openvswitch/dp_notify.c:74) openvswitch
[  394.311473][   T71]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  394.311475][   T71]  notifier_call_chain (kernel/notifier.c:85)
[  394.311479][   T71]  unregister_netdevice_many_notify (net/core/dev.c:2313 net/core/dev.c:2327 net/core/dev.c:12518)
[  394.311481][   T71]  ? unregister_netdevice_queued (./include/linux/list.h:419 (discriminator 3))
[  394.311483][   T71]  ? get_rps_cpu (net/core/dev.c:5240)
[  394.311485][   T71]  default_device_exit_batch (net/core/dev.c:12589 net/core/dev.c:13288)
[  394.311487][   T71]  ? __mutex_unlock_slowpath (./include/linux/preempt.h:500 (discriminator 1) kernel/locking/mutex.c:999 (discriminator 1))
[  394.311488][   T71]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  394.311490][   T71]  ? unregister_netdevice_queue (./include/linux/list.h:173)
[  394.311492][   T71]  ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3))
[  394.311494][   T71]  ? fou_exit_net (net/ipv4/fou_core.c:1228)
[  394.311497][   T71]  ops_undo_list (net/core/net_namespace.c:206 net/core/net_namespace.c:253)
[  394.311499][   T71]  ? netns_install (./include/linux/ns_common.h:26)
[  394.311501][   T71]  ? idr_destroy (lib/radix-tree.c:310 lib/radix-tree.c:674 lib/radix-tree.c:1563)
[  394.311504][   T71]  cleanup_net (net/core/net_namespace.c:706)
[  394.311506][   T71]  ? net_passive_dec (./include/linux/llist.h:241)
[  394.311508][   T71]  ? update_load_avg (kernel/sched/fair.c:5864)
[  394.311511][   T71]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  394.311512][   T71]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  394.311514][   T71]  process_one_work (kernel/workqueue.c:3387)
[  394.311518][   T71]  ? __queue_delayed_work (kernel/workqueue.c:2622)
[  394.311520][   T71]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[  394.311522][   T71]  ? __rwlock_init (kernel/locking/spinlock_debug.c:48)
[  394.311525][   T71]  worker_thread (kernel/workqueue.c:3470 kernel/workqueue.c:3551)
[  394.311527][   T71]  ? rescuer_thread (./include/linux/list.h:419 (discriminator 3))
[  394.311529][   T71]  ? __kthread_parkme (./include/linux/instrumented.h:82 ./include/asm-generic/bitops/instrumented-non-atomic.h:141 kernel/kthread.c:272)
[  394.311531][   T71]  ? rescuer_thread (./include/linux/list.h:419 (discriminator 3))
[  394.311533][   T71]  ? rescuer_thread (./include/linux/list.h:419 (discriminator 3))
[  394.311535][   T71]  kthread (kernel/kthread.c:436)
[  394.311537][   T71]  ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22))
[  394.311540][   T71]  ? kthread_affine_preferred (kernel/kthread.c:857)
[  394.311542][   T71]  ret_from_fork (arch/x86/kernel/process.c:158)
[  394.311545][   T71]  ? arch_exit_to_user_mode_prepare.isra.0 (arch/x86/entry/vdso/vma.c:80 (discriminator 1))
[  394.311547][   T71]  ? __switch_to (arch/x86/kernel/process_64.c:403 arch/x86/kernel/process_64.c:663)
[  394.311550][   T71]  ? kthread_affine_preferred (kernel/kthread.c:857)
[  394.311552][   T71]  ret_from_fork_asm (arch/x86/entry/entry_64.S:245)
| [  395.559190][T10691] softirqs last disabled at (0): 0x0
| [  395.559192][T10691] Preemption disabled at:
| [  395.559193][T10691] vprintk_emit (kernel/printk/printk.c:2471)
| [  395.559204][T10691] Tainted: [W]=WARN
[  395.559205][T10691] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[  395.559207][T10691] Call Trace:
[  395.559208][T10691]  <TASK>
[  395.559210][T10691]  dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120)
[  395.559216][T10691]  ? vprintk_emit (kernel/printk/printk.c:2471)
[  395.559217][T10691]  __might_resched.cold (kernel/sched/core.c:9234)
[  395.559221][T10691]  ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3))
[  395.559224][T10691]  ? __asan_memcpy (mm/kasan/shadow.c:106 (discriminator 1))
[  395.559228][T10691]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  395.559231][T10691]  __kmalloc_noprof (./include/linux/sched/mm.h:322 (discriminator 2) mm/slub.c:4636 (discriminator 2) mm/slub.c:4974 (discriminator 2) mm/slub.c:5413 (discriminator 2) mm/slub.c:5439 (discriminator 2))
[  395.559233][T10691]  ? __rwlock_init (kernel/locking/spinlock_debug.c:48)
[  395.559237][T10691]  ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[  395.559242][T10691]  ? do_raw_spin_unlock (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:32 ./include/asm-generic/qspinlock.h:58 kernel/locking/spinlock_debug.c:101 kernel/locking/spinlock_debug.c:141)
[  395.559244][T10691]  alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[  395.559246][T10691]  put_chars (drivers/char/virtio_console.c:1176)
[  395.559248][T10691]  ? __send_to_port (drivers/char/virtio_console.c:654)
[  395.559250][T10691]  ? console_prepend_replay (kernel/printk/printk.c:3005)
[  395.559253][T10691]  hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2))
[  395.559258][T10691]  ? hvc_write (drivers/tty/hvc/hvc_console.c:501)
[  395.559260][T10691]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  395.559261][T10691]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  395.559264][T10691]  console_emit_next_record (kernel/printk/printk.c:3183)
[  395.559267][T10691]  ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20)
[  395.559269][T10691]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  395.559270][T10691]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  395.559271][T10691]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  395.559272][T10691]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  395.559274][T10691]  ? console_flush_one_record (kernel/printk/printk.c:3247)
[  395.559276][T10691]  console_flush_one_record (kernel/printk/printk.c:3268)
[  395.559279][T10691]  ? console_emit_next_record (kernel/printk/printk.c:3150)
[  395.559282][T10691]  console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420)
[  395.559284][T10691]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  395.559285][T10691]  ? console_flush_one_record (kernel/printk/printk.c:3316)
[  395.559287][T10691]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  395.559288][T10691]  ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22))
[  395.559290][T10691]  ? 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)
[  395.559291][T10691]  ? __rcu_read_lock (kernel/rcu/tree_plugin.h:391 (discriminator 6))
[  395.559293][T10691]  ? __down_trylock_console_sem (kernel/printk/printk.c:334)
[  395.559295][T10691]  ? vprintk_emit (kernel/printk/printk.c:2478)
[  395.559297][T10691]  vprintk_emit (kernel/printk/printk.c:2479)
[  395.559298][T10691]  ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126))
[  395.559300][T10691]  ? net_disable_timestamp (./include/linux/workqueue.h:761)
[  395.559304][T10691]  ? net_generic (./include/linux/rcupdate.h:882 ./include/net/netns/generic.h:48) vxlan
[  395.559311][T10691]  _printk (kernel/printk/printk.c:2504)
[  395.559314][T10691]  ? snapshot_read.cold (user.c:?)
[  395.559316][T10691]  ? netdev_name (./include/linux/netdevice.h:5709 (discriminator 1))
[  395.559320][T10691]  ? __netdev_printk (net/core/dev.c:13148 (discriminator 2))
[  395.559322][T10691]  netdev_info (net/core/dev.c:13195 (discriminator 3))
[  395.559325][T10691]  ? netdev_notice (net/core/dev.c:13194)
[  395.559326][T10691]  ? __netdev_upper_dev_unlink (net/core/dev.c:9094)
[  395.559330][T10691]  ? synchronize_rcu_expedited (kernel/rcu/tree_exp.h:985)
[  395.559333][T10691]  ? 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)
[  395.559335][T10691]  __dev_set_promiscuity.cold (net/core/dev.c:9672 (discriminator 3))
[  395.559337][T10691]  netif_set_promiscuity (net/core/dev.c:9699)
[  395.559347][T10691]  dev_set_promiscuity (net/core/dev_api.c:288)
[  395.559349][T10691]  ? rtnl_is_locked (net/core/rtnetlink.c:169)
[  395.559353][T10691] ovs_netdev_detach_dev (net/openvswitch/vport-netdev.c:174) openvswitch
[  395.559359][T10691]  ? netdev_destroy (net/openvswitch/vport-netdev.c:189) openvswitch
[  395.559362][T10691] netdev_destroy (net/openvswitch/vport-netdev.c:194) openvswitch
[  395.559367][T10691] ovs_vport_cmd_del (net/openvswitch/datapath.c:2505) openvswitch
[  395.559372][T10691]  genl_family_rcv_msg_doit (net/netlink/genetlink.c:1114)
[  395.559376][T10691]  ? genl_family_rcv_msg_attrs_parse.isra.0 (./include/net/netlink.h:785 (discriminator 2))
[  395.559380][T10691]  ? security_capable (security/security.c:660 (discriminator 11))
[  395.559383][T10691]  genl_family_rcv_msg (net/netlink/genetlink.c:1194)
[  395.559386][T10691]  ? genl_family_rcv_msg_dumpit (net/netlink/genetlink.c:1079)
[  395.559388][T10691]  ? ovs_dp_detach_port (./include/linux/list.h:1047 (discriminator 2)) openvswitch
[  395.559392][T10691]  ? filter_irq_stacks (kernel/stacktrace.c:402)
[  395.559395][T10691]  ? stack_depot_save_flags (lib/stackdepot.c:609 lib/stackdepot.c:676)
[  395.559399][T10691]  genl_rcv_msg (net/netlink/genetlink.c:1209)
[  395.559401][T10691]  netlink_rcv_skb (net/netlink/af_netlink.c:2556)
[  395.559403][T10691]  ? genl_family_rcv_msg (net/netlink/genetlink.c:1136 (discriminator 2))
[  395.559406][T10691]  ? netlink_ack (./include/linux/skbuff.h:2718)
[  395.559408][T10691]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  395.559410][T10691]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  395.559411][T10691]  ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22))
[  395.559414][T10691]  genl_rcv (net/netlink/genetlink.c:1218)
[  395.559415][T10691]  netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[  395.559418][T10691]  ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[  395.559420][T10691]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  395.559422][T10691]  netlink_sendmsg (net/netlink/af_netlink.c:1900)
[  395.559424][T10691]  ? netlink_unicast (./include/net/net_namespace.h:422 (discriminator 7))
[  395.559426][T10691]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  395.559428][T10691]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  395.559429][T10691]  __sock_sendmsg (net/socket.c:800 (discriminator 4) net/socket.c:815 (discriminator 4))
[  395.559432][T10691]  ? fdget (fs/file.c:1200 fs/file.c:1208)
[  395.559435][T10691]  __sys_sendto (net/socket.c:2281)
[  395.559437][T10691]  ? __ia32_sys_getpeername (net/socket.c:2235)
[  395.559441][T10691]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  395.559443][T10691]  ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22))
[  395.559445][T10691]  __x64_sys_sendto (net/socket.c:2288 net/socket.c:2284 net/socket.c:2284)
[  395.559447][T10691]  ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22))
[  395.559450][T10691]  ? trace_hardirqs_off_finish (./include/trace/events/preemptirq.h:36 (discriminator 22) kernel/trace/trace_preemptirq.c:95 (discriminator 22) kernel/trace/trace_preemptirq.c:90 (discriminator 22))
[  395.559451][T10691]  ? trace_hardirqs_on (kernel/trace/trace_preemptirq.c:78)
[  395.559453][T10691]  do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84)
[  395.559457][T10691]  ? exc_page_fault (arch/x86/mm/fault.c:1489 (discriminator 3) arch/x86/mm/fault.c:1536 (discriminator 3))
[  395.559459][T10691]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[  395.559461][T10691] RIP: 0033:0x7f79af7d2312
[  395.559463][T10691] 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)
[  395.559465][T10691] RSP: 002b:00007ffd61d4b248 EFLAGS: 00000246 ORIG_RAX: 000000000000002c
[  395.559469][T10691] RAX: ffffffffffffffda RBX: 00007ffd61d4b378 RCX: 00007f79af7d2312
[  395.559470][T10691] RDX: 0000000000000028 RSI: 00007f79aefbc810 RDI: 0000000000000023
[  395.559471][T10691] RBP: 00007ffd61d4b270 R08: 00007ffd61d4b3f0 R09: 000000000000000c
[  395.559472][T10691] R10: 0000000000000000 R11: 0000000000000246 R12: 00007f79ad635fd0
[  395.559473][T10691] R13: 00007ffd61d4b378 R14: 00007f79af0f101a R15: 00007ffd61d4b768
| [  398.195869][T10811] softirqs last disabled at (0): 0x0
| [  398.195871][T10811] Preemption disabled at:
| [  398.195872][T10811] vprintk_emit (kernel/printk/printk.c:2471)
| [  398.195883][T10811] Tainted: [W]=WARN
[  398.195884][T10811] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[  398.195886][T10811] Call Trace:
[  398.195888][T10811]  <TASK>
[  398.195889][T10811]  dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120)
[  398.195895][T10811]  ? vprintk_emit (kernel/printk/printk.c:2471)
[  398.195897][T10811]  __might_resched.cold (kernel/sched/core.c:9234)
[  398.195900][T10811]  ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3))
[  398.195904][T10811]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  398.195907][T10811]  __kmalloc_noprof (./include/linux/sched/mm.h:322 (discriminator 2) mm/slub.c:4636 (discriminator 2) mm/slub.c:4974 (discriminator 2) mm/slub.c:5413 (discriminator 2) mm/slub.c:5439 (discriminator 2))
[  398.195910][T10811]  ? __rwlock_init (kernel/locking/spinlock_debug.c:48)
[  398.195913][T10811]  ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[  398.195918][T10811]  ? do_raw_spin_unlock (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:32 ./include/asm-generic/qspinlock.h:58 kernel/locking/spinlock_debug.c:101 kernel/locking/spinlock_debug.c:141)
[  398.195920][T10811]  alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[  398.195923][T10811]  put_chars (drivers/char/virtio_console.c:1176)
[  398.195925][T10811]  ? __send_to_port (drivers/char/virtio_console.c:654)
[  398.195927][T10811]  ? printk_get_next_message (kernel/printk/printk.c:3072)
[  398.195930][T10811]  hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2))
[  398.195935][T10811]  ? hvc_write (drivers/tty/hvc/hvc_console.c:501)
[  398.195937][T10811]  ? __rwlock_init (kernel/locking/spinlock_debug.c:48)
[  398.195939][T10811]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  398.195940][T10811]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  398.195943][T10811]  console_emit_next_record (kernel/printk/printk.c:3183)
[  398.195946][T10811]  ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20)
[  398.195948][T10811]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  398.195949][T10811]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  398.195950][T10811]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  398.195951][T10811]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  398.195953][T10811]  ? console_flush_one_record (kernel/printk/printk.c:3247)
[  398.195955][T10811]  console_flush_one_record (kernel/printk/printk.c:3268)
[  398.195958][T10811]  ? console_emit_next_record (kernel/printk/printk.c:3150)
[  398.195961][T10811]  console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420)
[  398.195963][T10811]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  398.195964][T10811]  ? console_flush_one_record (kernel/printk/printk.c:3316)
[  398.195966][T10811]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  398.195967][T10811]  ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22))
[  398.195969][T10811]  ? 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)
[  398.195971][T10811]  ? __rcu_read_lock (kernel/rcu/tree_plugin.h:391 (discriminator 6))
[  398.195972][T10811]  ? __down_trylock_console_sem (kernel/printk/printk.c:334)
[  398.195975][T10811]  ? vprintk_emit (kernel/printk/printk.c:2478)
[  398.195976][T10811]  vprintk_emit (kernel/printk/printk.c:2479)
[  398.195978][T10811]  ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126))
[  398.195979][T10811]  ? do_raw_spin_trylock (./include/linux/instrumented.h:55 ./include/linux/atomic/atomic-instrumented.h:1301 ./include/asm-generic/qspinlock.h:98 kernel/locking/spinlock_debug.c:123)
[  398.195981][T10811]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  398.195982][T10811]  ? genl_family_rcv_msg (net/netlink/genetlink.c:1194)
[  398.195986][T10811]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  398.195988][T10811]  _printk (kernel/printk/printk.c:2504)
[  398.195991][T10811]  ? snapshot_read.cold (user.c:?)
[  398.195993][T10811]  ? ___ratelimit (lib/ratelimit.c:97 (discriminator 3))
[  398.195997][T10811]  ? idr_get_free (??:?)
[  398.195999][T10811]  ? trace_irq_enable.constprop.0 (./include/linux/instrumented.h:82 ./include/asm-generic/bitops/instrumented-non-atomic.h:141 ./include/linux/cpumask.h:650 ./include/linux/cpumask.h:1232 ./include/trace/events/preemptirq.h:40)
[  398.196003][T10811]  validate_nla.cold (lib/nlattr.c:414 (discriminator 4))
[  398.196010][T10811]  ? nla_get_range_signed (lib/nlattr.c:270)
[  398.196015][T10811]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  398.196016][T10811]  ? trace_kmalloc (./include/trace/events/kmem.h:57 (discriminator 22))
[  398.196019][T10811]  __nla_validate_parse (lib/nlattr.c:635)
[  398.196022][T10811]  __nla_parse (lib/nlattr.c:732)
[  398.196024][T10811]  genl_family_rcv_msg_attrs_parse.isra.0 (./include/net/netlink.h:789 (discriminator 2) net/netlink/genetlink.c:944 (discriminator 2))
[  398.196027][T10811]  ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22))
[  398.196029][T10811]  genl_family_rcv_msg_doit (net/netlink/genetlink.c:1092)
[  398.196032][T10811]  ? genl_family_rcv_msg_attrs_parse.isra.0 (./include/net/netlink.h:785 (discriminator 2))
[  398.196035][T10811]  ? security_capable (security/security.c:660 (discriminator 11))
[  398.196039][T10811]  genl_family_rcv_msg (net/netlink/genetlink.c:1194)
[  398.196041][T10811]  ? genl_family_rcv_msg_dumpit (net/netlink/genetlink.c:1079)
[  398.196044][T10811]  ? ovs_dp_cmd_get (./include/net/net_namespace.h:422 (discriminator 7)) openvswitch
[  398.196051][T10811]  ? filter_irq_stacks (kernel/stacktrace.c:402)
[  398.196055][T10811]  ? stack_depot_save_flags (lib/stackdepot.c:609 lib/stackdepot.c:676)
[  398.196057][T10811]  genl_rcv_msg (net/netlink/genetlink.c:1209)
[  398.196060][T10811]  netlink_rcv_skb (net/netlink/af_netlink.c:2556)
[  398.196062][T10811]  ? genl_family_rcv_msg (net/netlink/genetlink.c:1136 (discriminator 2))
[  398.196064][T10811]  ? netlink_ack (./include/linux/skbuff.h:2718)
[  398.196067][T10811]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  398.196068][T10811]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  398.196070][T10811]  ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22))
[  398.196072][T10811]  genl_rcv (net/netlink/genetlink.c:1218)
[  398.196074][T10811]  netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[  398.196076][T10811]  ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[  398.196079][T10811]  netlink_sendmsg (net/netlink/af_netlink.c:1900)
[  398.196081][T10811]  ? netlink_unicast (./include/net/net_namespace.h:422 (discriminator 7))
[  398.196083][T10811]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  398.196085][T10811]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  398.196087][T10811]  __sock_sendmsg (net/socket.c:800 (discriminator 4) net/socket.c:815 (discriminator 4))
[  398.196090][T10811]  ? fdget (fs/file.c:1200 fs/file.c:1208)
[  398.196093][T10811]  __sys_sendto (net/socket.c:2281)
[  398.196096][T10811]  ? __ia32_sys_getpeername (net/socket.c:2235)
[  398.196100][T10811]  ? fput_close_sync (fs/file_table.c:617)
[  398.196103][T10811]  ? alloc_file_clone (fs/file_table.c:479)
[  398.196105][T10811]  __x64_sys_sendto (net/socket.c:2288 net/socket.c:2284 net/socket.c:2284)
[  398.196107][T10811]  ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22))
[  398.196109][T10811]  ? trace_hardirqs_off_finish (./include/trace/events/preemptirq.h:36 (discriminator 22) kernel/trace/trace_preemptirq.c:95 (discriminator 22) kernel/trace/trace_preemptirq.c:90 (discriminator 22))
[  398.196110][T10811]  ? trace_hardirqs_on (kernel/trace/trace_preemptirq.c:78)
[  398.196112][T10811]  do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84)
[  398.196114][T10811]  ? exc_page_fault (arch/x86/mm/fault.c:1489 (discriminator 3) arch/x86/mm/fault.c:1536 (discriminator 3))
[  398.196117][T10811]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[  398.196119][T10811] RIP: 0033:0x7f9745f4f312
[  398.196121][T10811] 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)
[  398.196123][T10811] RSP: 002b:00007ffd0efd7168 EFLAGS: 00000246 ORIG_RAX: 000000000000002c
[  398.196127][T10811] RAX: ffffffffffffffda RBX: 00007ffd0efd7298 RCX: 00007f9745f4f312
[  398.196128][T10811] RDX: 0000000000000044 RSI: 00007f9741b1f280 RDI: 0000000000000020
[  398.196129][T10811] RBP: 00007ffd0efd7190 R08: 00007ffd0efd7310 R09: 000000000000000c
[  398.196130][T10811] R10: 0000000000000000 R11: 0000000000000246 R12: 00007f9743db20b0
[  398.196131][T10811] R13: 00007ffd0efd7298 R14: 00007f974586e01a R15: 00007ffd0efd7688
| [  399.713548][T10868] softirqs last disabled at (0): 0x0
| [  399.713550][T10868] Preemption disabled at:
| [  399.713550][T10868] vprintk_emit (kernel/printk/printk.c:2471)
| [  399.713561][T10868] Tainted: [W]=WARN
[  399.713562][T10868] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[  399.713564][T10868] Call Trace:
[  399.713565][T10868]  <TASK>
[  399.713567][T10868]  dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120)
[  399.713573][T10868]  ? vprintk_emit (kernel/printk/printk.c:2471)
[  399.713576][T10868]  __might_resched.cold (kernel/sched/core.c:9234)
[  399.713581][T10868]  ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3))
[  399.713585][T10868]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  399.713589][T10868]  __kmalloc_noprof (./include/linux/sched/mm.h:322 (discriminator 2) mm/slub.c:4636 (discriminator 2) mm/slub.c:4974 (discriminator 2) mm/slub.c:5413 (discriminator 2) mm/slub.c:5439 (discriminator 2))
[  399.713593][T10868]  ? __rwlock_init (kernel/locking/spinlock_debug.c:48)
[  399.713596][T10868]  ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[  399.713601][T10868]  ? do_raw_spin_unlock (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:32 ./include/asm-generic/qspinlock.h:58 kernel/locking/spinlock_debug.c:101 kernel/locking/spinlock_debug.c:141)
[  399.713603][T10868]  alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[  399.713606][T10868]  put_chars (drivers/char/virtio_console.c:1176)
[  399.713608][T10868]  ? __send_to_port (drivers/char/virtio_console.c:654)
[  399.713609][T10868]  ? printk_get_next_message (kernel/printk/printk.c:3072)
[  399.713612][T10868]  ? console_prepend_replay (kernel/printk/printk.c:3005)
[  399.713614][T10868]  hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2))
[  399.713619][T10868]  ? hvc_write (drivers/tty/hvc/hvc_console.c:501)
[  399.713621][T10868]  ? __rwlock_init (kernel/locking/spinlock_debug.c:48)
[  399.713623][T10868]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  399.713624][T10868]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  399.713625][T10868]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  399.713628][T10868]  console_emit_next_record (kernel/printk/printk.c:3183)
[  399.713631][T10868]  ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20)
[  399.713633][T10868]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  399.713634][T10868]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  399.713635][T10868]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  399.713636][T10868]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  399.713638][T10868]  ? console_flush_one_record (kernel/printk/printk.c:3247)
[  399.713640][T10868]  console_flush_one_record (kernel/printk/printk.c:3268)
[  399.713643][T10868]  ? console_emit_next_record (kernel/printk/printk.c:3150)
[  399.713646][T10868]  console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420)
[  399.713648][T10868]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  399.713649][T10868]  ? console_flush_one_record (kernel/printk/printk.c:3316)
[  399.713651][T10868]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  399.713652][T10868]  ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22))
[  399.713654][T10868]  ? 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)
[  399.713655][T10868]  ? __rcu_read_lock (kernel/rcu/tree_plugin.h:391 (discriminator 6))
[  399.713657][T10868]  ? __down_trylock_console_sem (kernel/printk/printk.c:334)
[  399.713659][T10868]  ? vprintk_emit (kernel/printk/printk.c:2478)
[  399.713661][T10868]  vprintk_emit (kernel/printk/printk.c:2479)
[  399.713665][T10868]  ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126))
[  399.713668][T10868]  _printk (kernel/printk/printk.c:2504)
[  399.713671][T10868]  ? snapshot_read.cold (user.c:?)
[  399.713673][T10868]  ? rcu_read_lock_held (kernel/rcu/update.c:105 kernel/rcu/update.c:349)
[  399.713676][T10868]  ? netdev_upper_get_next_dev_rcu (net/core/dev.c:8213 (discriminator 1))
[  399.713679][T10868]  ? 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)
[  399.713681][T10868]  ? __netdev_update_features (net/core/dev.c:11078 (discriminator 2))
[  399.713683][T10868]  ? netdev_name (./include/linux/netdevice.h:5709 (discriminator 1))
[  399.713686][T10868]  ? __netdev_printk (net/core/dev.c:13148 (discriminator 2))
[  399.713688][T10868]  netdev_info (net/core/dev.c:13195 (discriminator 3))
[  399.713690][T10868]  ? netdev_notice (net/core/dev.c:13194)
[  399.713692][T10868]  ? ovs_netdev_link (net/openvswitch/vport-netdev.c:85) openvswitch
[  399.713700][T10868]  ? 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)
[  399.713702][T10868]  __dev_set_promiscuity.cold (net/core/dev.c:9672 (discriminator 3))
[  399.713704][T10868]  netif_set_promiscuity (net/core/dev.c:9699)
[  399.713707][T10868]  dev_set_promiscuity (net/core/dev_api.c:288)
[  399.713708][T10868]  ? dev_disable_lro (net/core/dev_api.c:267)
[  399.713710][T10868] ovs_netdev_link (net/openvswitch/vport-netdev.c:106) openvswitch
[  399.713714][T10868] ovs_vport_add (net/openvswitch/vport.c:209) openvswitch
[  399.713718][T10868]  ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22))
[  399.713720][T10868] new_vport (net/openvswitch/datapath.c:203) openvswitch
[  399.713725][T10868]  ? ovs_lookup_vport (net/openvswitch/datapath.c:190) openvswitch
[  399.713728][T10868] ovs_vport_cmd_new (net/openvswitch/datapath.c:2389) openvswitch
[  399.713732][T10868]  ? ovs_vport_cmd_fill_info.isra.0 (./include/net/netlink.h:1107 (discriminator 1)) openvswitch
[  399.713735][T10868]  ? __nla_validate_parse (lib/nlattr.c:635)
[  399.713740][T10868]  ? __nla_parse (lib/nlattr.c:732)
[  399.713742][T10868]  ? genl_family_rcv_msg_attrs_parse.isra.0 (./include/net/netlink.h:789 (discriminator 2) net/netlink/genetlink.c:944 (discriminator 2))
[  399.713746][T10868]  genl_family_rcv_msg_doit (net/netlink/genetlink.c:1114)
[  399.713749][T10868]  ? genl_family_rcv_msg_attrs_parse.isra.0 (./include/net/netlink.h:785 (discriminator 2))
[  399.713752][T10868]  ? security_capable (security/security.c:660 (discriminator 11))
[  399.713756][T10868]  genl_family_rcv_msg (net/netlink/genetlink.c:1194)
[  399.713758][T10868]  ? genl_family_rcv_msg_dumpit (net/netlink/genetlink.c:1079)
[  399.713760][T10868]  ? ovs_vport_cmd_fill_info.isra.0 (./include/net/netlink.h:1107 (discriminator 1)) openvswitch
[  399.713764][T10868]  ? filter_irq_stacks (kernel/stacktrace.c:402)
[  399.713767][T10868]  ? stack_depot_save_flags (lib/stackdepot.c:609 lib/stackdepot.c:676)
[  399.713770][T10868]  genl_rcv_msg (net/netlink/genetlink.c:1209)
[  399.713772][T10868]  netlink_rcv_skb (net/netlink/af_netlink.c:2556)
[  399.713774][T10868]  ? genl_family_rcv_msg (net/netlink/genetlink.c:1136 (discriminator 2))
[  399.713776][T10868]  ? netlink_ack (./include/linux/skbuff.h:2718)
[  399.713779][T10868]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  399.713781][T10868]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  399.713783][T10868]  ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22))
[  399.713785][T10868]  genl_rcv (net/netlink/genetlink.c:1218)
[  399.713786][T10868]  netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[  399.713789][T10868]  ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[  399.713791][T10868]  ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22))
[  399.713793][T10868]  netlink_sendmsg (net/netlink/af_netlink.c:1900)
[  399.713795][T10868]  ? netlink_unicast (./include/net/net_namespace.h:422 (discriminator 7))
[  399.713797][T10868]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  399.713799][T10868]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  399.713801][T10868]  __sock_sendmsg (net/socket.c:800 (discriminator 4) net/socket.c:815 (discriminator 4))
[  399.713803][T10868]  ? fdget (fs/file.c:1200 fs/file.c:1208)
[  399.713807][T10868]  __sys_sendto (net/socket.c:2281)
[  399.713809][T10868]  ? __ia32_sys_getpeername (net/socket.c:2235)
[  399.713811][T10868]  ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22))
[  399.713813][T10868]  ? do_futex (kernel/futex/syscalls.c:138)
[  399.713816][T10868]  ? __ia32_sys_get_robust_list (kernel/futex/syscalls.c:94)
[  399.713818][T10868]  ? xfd_validate_state (arch/x86/kernel/fpu/xstate.c:1497 (discriminator 1) arch/x86/kernel/fpu/xstate.c:1543 (discriminator 1))
[  399.713822][T10868]  ? do_futex (kernel/futex/syscalls.c:153 (discriminator 1))
[  399.713824][T10868]  __x64_sys_sendto (net/socket.c:2288 net/socket.c:2284 net/socket.c:2284)
[  399.713825][T10868]  ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22))
[  399.713828][T10868]  ? trace_hardirqs_off_finish (./include/trace/events/preemptirq.h:36 (discriminator 22) kernel/trace/trace_preemptirq.c:95 (discriminator 22) kernel/trace/trace_preemptirq.c:90 (discriminator 22))
[  399.713830][T10868]  ? trace_hardirqs_on (kernel/trace/trace_preemptirq.c:78)
[  399.713831][T10868]  do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84)
[  399.713835][T10868]  ? exc_page_fault (arch/x86/mm/fault.c:1489 (discriminator 3) arch/x86/mm/fault.c:1536 (discriminator 3))
[  399.713837][T10868]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[  399.713839][T10868] RIP: 0033:0x7f116da47312
[  399.713841][T10868] 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)
[  399.713843][T10868] RSP: 002b:00007ffc2b9d5e78 EFLAGS: 00000246 ORIG_RAX: 000000000000002c
[  399.713847][T10868] RAX: ffffffffffffffda RBX: 00007ffc2b9d5fa8 RCX: 00007f116da47312
[  399.713848][T10868] RDX: 0000000000000038 RSI: 00007f116967e570 RDI: 0000000000000023
[  399.713849][T10868] RBP: 00007ffc2b9d5ea0 R08: 00007ffc2b9d6020 R09: 000000000000000c
[  399.713850][T10868] R10: 0000000000000000 R11: 0000000000000246 R12: 00007f116b8ae190
[  399.713851][T10868] R13: 00007ffc2b9d5fa8 R14: 00007f116d36601a R15: 00007ffc2b9d6398
| [  406.565458][   T71] softirqs last disabled at (8660322): __fib6_clean_all (./include/linux/spinlock.h:353 net/ipv6/ip6_fib.c:2323)
| [  406.565460][   T71] Preemption disabled at:
| [  406.565461][   T71] vprintk_emit (kernel/printk/printk.c:2471)
| [  406.565473][   T71] Tainted: [W]=WARN
[  406.565474][   T71] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[  406.565476][   T71] Workqueue: netns cleanup_net
[  406.565482][   T71] Call Trace:
[  406.565484][   T71]  <TASK>
[  406.565485][   T71]  dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120)
[  406.565491][   T71]  ? vprintk_emit (kernel/printk/printk.c:2471)
[  406.565493][   T71]  __might_resched.cold (kernel/sched/core.c:9234)
[  406.565496][   T71]  ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3))
[  406.565500][   T71]  ? prb_next_reserve_seq (kernel/printk/printk_ringbuffer.c:2128)
[  406.565502][   T71]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  406.565505][   T71]  __kmalloc_noprof (./include/linux/sched/mm.h:322 (discriminator 2) mm/slub.c:4636 (discriminator 2) mm/slub.c:4974 (discriminator 2) mm/slub.c:5413 (discriminator 2) mm/slub.c:5439 (discriminator 2))
[  406.565508][   T71]  ? __rwlock_init (kernel/locking/spinlock_debug.c:48)
[  406.565511][   T71]  ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[  406.565516][   T71]  ? do_raw_spin_unlock (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:32 ./include/asm-generic/qspinlock.h:58 kernel/locking/spinlock_debug.c:101 kernel/locking/spinlock_debug.c:141)
[  406.565517][   T71]  alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[  406.565520][   T71]  put_chars (drivers/char/virtio_console.c:1176)
[  406.565522][   T71]  ? prb_final_commit (kernel/printk/printk_ringbuffer.c:1842)
[  406.565524][   T71]  ? __send_to_port (drivers/char/virtio_console.c:654)
[  406.565525][   T71]  ? printk_get_next_message (kernel/printk/printk.c:3072)
[  406.565528][   T71]  hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2))
[  406.565533][   T71]  ? hvc_write (drivers/tty/hvc/hvc_console.c:501)
[  406.565535][   T71]  ? 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)
[  406.565537][   T71]  ? vsnprintf (lib/vsprintf.c:2953 (discriminator 1))
[  406.565540][   T71]  ? __rwlock_init (kernel/locking/spinlock_debug.c:48)
[  406.565541][   T71]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  406.565543][   T71]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  406.565545][   T71]  console_emit_next_record (kernel/printk/printk.c:3183)
[  406.565548][   T71]  ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20)
[  406.565551][   T71]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  406.565552][   T71]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  406.565553][   T71]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  406.565554][   T71]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  406.565556][   T71]  ? console_flush_one_record (kernel/printk/printk.c:3247)
[  406.565558][   T71]  console_flush_one_record (kernel/printk/printk.c:3268)
[  406.565560][   T71]  ? console_emit_next_record (kernel/printk/printk.c:3150)
[  406.565563][   T71]  console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420)
[  406.565565][   T71]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  406.565567][   T71]  ? console_flush_one_record (kernel/printk/printk.c:3316)
[  406.565569][   T71]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  406.565570][   T71]  ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22))
[  406.565572][   T71]  ? 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)
[  406.565575][   T71]  ? __rcu_read_lock (kernel/rcu/tree_plugin.h:391 (discriminator 6))
[  406.565579][   T71]  ? __down_trylock_console_sem (kernel/printk/printk.c:334)
[  406.565582][   T71]  ? vprintk_emit (kernel/printk/printk.c:2478)
[  406.565585][   T71]  vprintk_emit (kernel/printk/printk.c:2479)
[  406.565587][   T71]  ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126))
[  406.565589][   T71]  ? net_disable_timestamp (./include/linux/workqueue.h:761)
[  406.565591][   T71]  ? net_generic (./include/linux/rcupdate.h:882 ./include/net/netns/generic.h:48) vxlan
[  406.565598][   T71]  _printk (kernel/printk/printk.c:2504)
[  406.565601][   T71]  ? snapshot_read.cold (user.c:?)
[  406.565604][   T71]  ? netdev_name (./include/linux/netdevice.h:5709 (discriminator 1))
[  406.565607][   T71]  ? __netdev_printk (net/core/dev.c:13148 (discriminator 2))
[  406.565610][   T71]  netdev_info (net/core/dev.c:13195 (discriminator 3))
[  406.565612][   T71]  ? netdev_notice (net/core/dev.c:13194)
[  406.565614][   T71]  ? __netdev_upper_dev_unlink (net/core/dev.c:9094)
[  406.565617][   T71]  ? synchronize_rcu_expedited (kernel/rcu/tree_exp.h:985)
[  406.565620][   T71]  ? 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)
[  406.565621][   T71]  __dev_set_promiscuity.cold (net/core/dev.c:9672 (discriminator 3))
[  406.565624][   T71]  netif_set_promiscuity (net/core/dev.c:9699)
[  406.565626][   T71]  dev_set_promiscuity (net/core/dev_api.c:288)
[  406.565628][   T71]  ? rtnl_is_locked (net/core/rtnetlink.c:169)
[  406.565632][   T71] ovs_netdev_detach_dev (net/openvswitch/vport-netdev.c:174) openvswitch
[  406.565638][   T71] dp_device_event (net/openvswitch/dp_notify.c:74) openvswitch
[  406.565642][   T71]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  406.565644][   T71]  notifier_call_chain (kernel/notifier.c:85)
[  406.565648][   T71]  unregister_netdevice_many_notify (net/core/dev.c:2313 net/core/dev.c:2327 net/core/dev.c:12518)
[  406.565650][   T71]  ? unregister_netdevice_queued (./include/linux/list.h:419 (discriminator 3))
[  406.565652][   T71]  ? get_rps_cpu (net/core/dev.c:5240)
[  406.565654][   T71]  default_device_exit_batch (net/core/dev.c:12589 net/core/dev.c:13288)
[  406.565656][   T71]  ? __mutex_unlock_slowpath (./include/linux/preempt.h:500 (discriminator 1) kernel/locking/mutex.c:999 (discriminator 1))
[  406.565658][   T71]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  406.565659][   T71]  ? unregister_netdevice_queue (./include/linux/list.h:173)
[  406.565661][   T71]  ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3))
[  406.565666][   T71]  ? fou_exit_net (net/ipv4/fou_core.c:1228)
[  406.565669][   T71]  ops_undo_list (net/core/net_namespace.c:206 net/core/net_namespace.c:253)
[  406.565671][   T71]  ? netns_install (./include/linux/ns_common.h:26)
[  406.565673][   T71]  ? idr_destroy (lib/radix-tree.c:310 lib/radix-tree.c:674 lib/radix-tree.c:1563)
[  406.565676][   T71]  cleanup_net (net/core/net_namespace.c:706)
[  406.565679][   T71]  ? net_passive_dec (./include/linux/llist.h:241)
[  406.565681][   T71]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  406.565682][   T71]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  406.565684][   T71]  process_one_work (kernel/workqueue.c:3387)
[  406.565689][   T71]  ? __queue_delayed_work (kernel/workqueue.c:2622)
[  406.565691][   T71]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[  406.565694][   T71]  ? __rwlock_init (kernel/locking/spinlock_debug.c:48)
[  406.565697][   T71]  worker_thread (kernel/workqueue.c:3470 kernel/workqueue.c:3551)
[  406.565700][   T71]  ? rescuer_thread (./include/linux/list.h:419 (discriminator 3))
[  406.565702][   T71]  ? __kthread_parkme (./include/linux/instrumented.h:82 ./include/asm-generic/bitops/instrumented-non-atomic.h:141 kernel/kthread.c:272)
[  406.565705][   T71]  ? rescuer_thread (./include/linux/list.h:419 (discriminator 3))
[  406.565707][   T71]  ? rescuer_thread (./include/linux/list.h:419 (discriminator 3))
[  406.565709][   T71]  kthread (kernel/kthread.c:436)
[  406.565711][   T71]  ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22))
[  406.565715][   T71]  ? kthread_affine_preferred (kernel/kthread.c:857)
[  406.565717][   T71]  ret_from_fork (arch/x86/kernel/process.c:158)
[  406.565720][   T71]  ? arch_exit_to_user_mode_prepare.isra.0 (arch/x86/entry/vdso/vma.c:80 (discriminator 1))
[  406.565723][   T71]  ? __switch_to (arch/x86/kernel/process_64.c:403 arch/x86/kernel/process_64.c:663)
[  406.565726][   T71]  ? kthread_affine_preferred (kernel/kthread.c:857)
[  406.565728][   T71]  ret_from_fork_asm (arch/x86/entry/entry_64.S:245)
| [  407.837687][T11082] softirqs last disabled at (0): 0x0
| [  407.837689][T11082] Preemption disabled at:
| [  407.837690][T11082] vprintk_emit (kernel/printk/printk.c:2471)
| [  407.837700][T11082] Tainted: [W]=WARN
[  407.837701][T11082] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[  407.837703][T11082] Call Trace:
[  407.837704][T11082]  <TASK>
[  407.837706][T11082]  dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120)
[  407.837711][T11082]  ? vprintk_emit (kernel/printk/printk.c:2471)
[  407.837712][T11082]  __might_resched.cold (kernel/sched/core.c:9234)
[  407.837717][T11082]  ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3))
[  407.837720][T11082]  ? __asan_memcpy (mm/kasan/shadow.c:106 (discriminator 1))
[  407.837724][T11082]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  407.837727][T11082]  __kmalloc_noprof (./include/linux/sched/mm.h:322 (discriminator 2) mm/slub.c:4636 (discriminator 2) mm/slub.c:4974 (discriminator 2) mm/slub.c:5413 (discriminator 2) mm/slub.c:5439 (discriminator 2))
[  407.837729][T11082]  ? __rwlock_init (kernel/locking/spinlock_debug.c:48)
[  407.837733][T11082]  ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[  407.837738][T11082]  ? do_raw_spin_unlock (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:32 ./include/asm-generic/qspinlock.h:58 kernel/locking/spinlock_debug.c:101 kernel/locking/spinlock_debug.c:141)
[  407.837739][T11082]  alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[  407.837742][T11082]  put_chars (drivers/char/virtio_console.c:1176)
[  407.837744][T11082]  ? __send_to_port (drivers/char/virtio_console.c:654)
[  407.837746][T11082]  ? console_prepend_replay (kernel/printk/printk.c:3005)
[  407.837749][T11082]  hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2))
[  407.837754][T11082]  ? hvc_write (drivers/tty/hvc/hvc_console.c:501)
[  407.837756][T11082]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  407.837757][T11082]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  407.837760][T11082]  console_emit_next_record (kernel/printk/printk.c:3183)
[  407.837763][T11082]  ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20)
[  407.837765][T11082]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  407.837766][T11082]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  407.837767][T11082]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  407.837768][T11082]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  407.837771][T11082]  ? console_flush_one_record (kernel/printk/printk.c:3247)
[  407.837772][T11082]  console_flush_one_record (kernel/printk/printk.c:3268)
[  407.837775][T11082]  ? console_emit_next_record (kernel/printk/printk.c:3150)
[  407.837778][T11082]  console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420)
[  407.837780][T11082]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  407.837782][T11082]  ? console_flush_one_record (kernel/printk/printk.c:3316)
[  407.837783][T11082]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  407.837785][T11082]  ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22))
[  407.837786][T11082]  ? 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)
[  407.837788][T11082]  ? __rcu_read_lock (kernel/rcu/tree_plugin.h:391 (discriminator 6))
[  407.837789][T11082]  ? __down_trylock_console_sem (kernel/printk/printk.c:334)
[  407.837791][T11082]  ? vprintk_emit (kernel/printk/printk.c:2478)
[  407.837793][T11082]  vprintk_emit (kernel/printk/printk.c:2479)
[  407.837794][T11082]  ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126))
[  407.837796][T11082]  ? net_disable_timestamp (./include/linux/workqueue.h:761)
[  407.837799][T11082]  ? net_generic (./include/linux/rcupdate.h:882 ./include/net/netns/generic.h:48) vxlan
[  407.837806][T11082]  _printk (kernel/printk/printk.c:2504)
[  407.837809][T11082]  ? snapshot_read.cold (user.c:?)
[  407.837812][T11082]  ? netdev_name (./include/linux/netdevice.h:5709 (discriminator 1))
[  407.837815][T11082]  ? __netdev_printk (net/core/dev.c:13148 (discriminator 2))
[  407.837817][T11082]  netdev_info (net/core/dev.c:13195 (discriminator 3))
[  407.837820][T11082]  ? netdev_notice (net/core/dev.c:13194)
[  407.837822][T11082]  ? __netdev_upper_dev_unlink (net/core/dev.c:9094)
[  407.837825][T11082]  ? synchronize_rcu_expedited (kernel/rcu/tree_exp.h:985)
[  407.837827][T11082]  ? 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)
[  407.837829][T11082]  __dev_set_promiscuity.cold (net/core/dev.c:9672 (discriminator 3))
[  407.837831][T11082]  netif_set_promiscuity (net/core/dev.c:9699)
[  407.837834][T11082]  dev_set_promiscuity (net/core/dev_api.c:288)
[  407.837836][T11082]  ? rtnl_is_locked (net/core/rtnetlink.c:169)
[  407.837840][T11082] ovs_netdev_detach_dev (net/openvswitch/vport-netdev.c:174) openvswitch
[  407.837845][T11082]  ? netdev_destroy (net/openvswitch/vport-netdev.c:189) openvswitch
[  407.837849][T11082] netdev_destroy (net/openvswitch/vport-netdev.c:194) openvswitch
[  407.837854][T11082] ovs_vport_cmd_del (net/openvswitch/datapath.c:2505) openvswitch
[  407.837859][T11082]  genl_family_rcv_msg_doit (net/netlink/genetlink.c:1114)
[  407.837863][T11082]  ? genl_family_rcv_msg_attrs_parse.isra.0 (./include/net/netlink.h:785 (discriminator 2))
[  407.837867][T11082]  ? security_capable (security/security.c:660 (discriminator 11))
[  407.837870][T11082]  genl_family_rcv_msg (net/netlink/genetlink.c:1194)
[  407.837872][T11082]  ? genl_family_rcv_msg_dumpit (net/netlink/genetlink.c:1079)
[  407.837874][T11082]  ? ovs_dp_detach_port (./include/linux/list.h:1047 (discriminator 2)) openvswitch
[  407.837878][T11082]  ? filter_irq_stacks (kernel/stacktrace.c:402)
[  407.837881][T11082]  ? stack_depot_save_flags (lib/stackdepot.c:609 lib/stackdepot.c:676)
[  407.837885][T11082]  genl_rcv_msg (net/netlink/genetlink.c:1209)
[  407.837887][T11082]  netlink_rcv_skb (net/netlink/af_netlink.c:2556)
[  407.837889][T11082]  ? genl_family_rcv_msg (net/netlink/genetlink.c:1136 (discriminator 2))
[  407.837892][T11082]  ? netlink_ack (./include/linux/skbuff.h:2718)
[  407.837894][T11082]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  407.837896][T11082]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  407.837897][T11082]  ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22))
[  407.837899][T11082]  genl_rcv (net/netlink/genetlink.c:1218)
[  407.837901][T11082]  netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[  407.837904][T11082]  ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[  407.837905][T11082]  ? trace_hardirqs_on (kernel/trace/trace_preemptirq.c:78)
[  407.837909][T11082]  ? __wake_up (./include/linux/spinlock.h:425 (discriminator 3) kernel/sched/wait.c:128 (discriminator 3) kernel/sched/wait.c:147 (discriminator 3))
[  407.837911][T11082]  netlink_sendmsg (net/netlink/af_netlink.c:1900)
[  407.837914][T11082]  ? netlink_unicast (./include/net/net_namespace.h:422 (discriminator 7))
[  407.837916][T11082]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  407.837917][T11082]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  407.837919][T11082]  __sock_sendmsg (net/socket.c:800 (discriminator 4) net/socket.c:815 (discriminator 4))
[  407.837922][T11082]  ? fdget (fs/file.c:1200 fs/file.c:1208)
[  407.837925][T11082]  __sys_sendto (net/socket.c:2281)
[  407.837927][T11082]  ? __ia32_sys_getpeername (net/socket.c:2235)
[  407.837931][T11082]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  407.837932][T11082]  ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22))
[  407.837935][T11082]  __x64_sys_sendto (net/socket.c:2288 net/socket.c:2284 net/socket.c:2284)
[  407.837937][T11082]  ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22))
[  407.837938][T11082]  ? trace_hardirqs_off_finish (./include/trace/events/preemptirq.h:36 (discriminator 22) kernel/trace/trace_preemptirq.c:95 (discriminator 22) kernel/trace/trace_preemptirq.c:90 (discriminator 22))
[  407.837940][T11082]  ? trace_hardirqs_on (kernel/trace/trace_preemptirq.c:78)
[  407.837941][T11082]  do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84)
[  407.837945][T11082]  ? exc_page_fault (arch/x86/mm/fault.c:1489 (discriminator 3) arch/x86/mm/fault.c:1536 (discriminator 3))
[  407.837947][T11082]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[  407.837950][T11082] RIP: 0033:0x7f59a9319312
[  407.837952][T11082] 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)
[  407.837954][T11082] RSP: 002b:00007fff5b058fe8 EFLAGS: 00000246 ORIG_RAX: 000000000000002c
[  407.837958][T11082] RAX: ffffffffffffffda RBX: 00007fff5b059118 RCX: 00007f59a9319312
[  407.837959][T11082] RDX: 0000000000000028 RSI: 00007f59a4f362b0 RDI: 0000000000000023
[  407.837960][T11082] RBP: 00007fff5b059010 R08: 00007fff5b059190 R09: 000000000000000c
[  407.837961][T11082] R10: 0000000000000000 R11: 0000000000000246 R12: 00007f59a7175fd0
[  407.837962][T11082] R13: 00007fff5b059118 R14: 00007f59a8c3801a R15: 00007fff5b059508
| [  410.365921][T11190] softirqs last disabled at (0): 0x0
| [  410.365923][T11190] Preemption disabled at:
| [  410.365923][T11190] vprintk_emit (kernel/printk/printk.c:2471)
| [  410.365934][T11190] Tainted: [W]=WARN
[  410.365935][T11190] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[  410.365937][T11190] Call Trace:
[  410.365939][T11190]  <TASK>
[  410.365940][T11190]  dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120)
[  410.365946][T11190]  ? vprintk_emit (kernel/printk/printk.c:2471)
[  410.365948][T11190]  __might_resched.cold (kernel/sched/core.c:9234)
[  410.365951][T11190]  ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3))
[  410.365955][T11190]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  410.365958][T11190]  __kmalloc_noprof (./include/linux/sched/mm.h:322 (discriminator 2) mm/slub.c:4636 (discriminator 2) mm/slub.c:4974 (discriminator 2) mm/slub.c:5413 (discriminator 2) mm/slub.c:5439 (discriminator 2))
[  410.365961][T11190]  ? __rwlock_init (kernel/locking/spinlock_debug.c:48)
[  410.365964][T11190]  ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[  410.365969][T11190]  ? do_raw_spin_unlock (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:32 ./include/asm-generic/qspinlock.h:58 kernel/locking/spinlock_debug.c:101 kernel/locking/spinlock_debug.c:141)
[  410.365970][T11190]  alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[  410.365973][T11190]  put_chars (drivers/char/virtio_console.c:1176)
[  410.365975][T11190]  ? __send_to_port (drivers/char/virtio_console.c:654)
[  410.365976][T11190]  ? printk_get_next_message (kernel/printk/printk.c:3072)
[  410.365979][T11190]  hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2))
[  410.365984][T11190]  ? hvc_write (drivers/tty/hvc/hvc_console.c:501)
[  410.365987][T11190]  ? __rwlock_init (kernel/locking/spinlock_debug.c:48)
[  410.365988][T11190]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  410.365990][T11190]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  410.365992][T11190]  console_emit_next_record (kernel/printk/printk.c:3183)
[  410.365995][T11190]  ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20)
[  410.365997][T11190]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  410.365998][T11190]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  410.365999][T11190]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  410.366000][T11190]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  410.366003][T11190]  ? console_flush_one_record (kernel/printk/printk.c:3247)
[  410.366004][T11190]  console_flush_one_record (kernel/printk/printk.c:3268)
[  410.366007][T11190]  ? console_emit_next_record (kernel/printk/printk.c:3150)
[  410.366010][T11190]  console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420)
[  410.366012][T11190]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  410.366013][T11190]  ? console_flush_one_record (kernel/printk/printk.c:3316)
[  410.366015][T11190]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  410.366016][T11190]  ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22))
[  410.366018][T11190]  ? 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)
[  410.366019][T11190]  ? __rcu_read_lock (kernel/rcu/tree_plugin.h:391 (discriminator 6))
[  410.366021][T11190]  ? __down_trylock_console_sem (kernel/printk/printk.c:334)
[  410.366023][T11190]  ? vprintk_emit (kernel/printk/printk.c:2478)
[  410.366024][T11190]  vprintk_emit (kernel/printk/printk.c:2479)
[  410.366026][T11190]  ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126))
[  410.366028][T11190]  ? do_raw_spin_trylock (./include/linux/instrumented.h:55 ./include/linux/atomic/atomic-instrumented.h:1301 ./include/asm-generic/qspinlock.h:98 kernel/locking/spinlock_debug.c:123)
[  410.366030][T11190]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  410.366031][T11190]  ? genl_family_rcv_msg (net/netlink/genetlink.c:1194)
[  410.366035][T11190]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  410.366037][T11190]  _printk (kernel/printk/printk.c:2504)
[  410.366040][T11190]  ? snapshot_read.cold (user.c:?)
[  410.366042][T11190]  ? ___ratelimit (lib/ratelimit.c:97 (discriminator 3))
[  410.366046][T11190]  ? idr_get_free (??:?)
[  410.366048][T11190]  ? trace_irq_enable.constprop.0 (./include/linux/instrumented.h:82 ./include/asm-generic/bitops/instrumented-non-atomic.h:141 ./include/linux/cpumask.h:650 ./include/linux/cpumask.h:1232 ./include/trace/events/preemptirq.h:40)
[  410.366051][T11190]  validate_nla.cold (lib/nlattr.c:414 (discriminator 4))
[  410.366059][T11190]  ? nla_get_range_signed (lib/nlattr.c:270)
[  410.366063][T11190]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  410.366065][T11190]  ? trace_kmalloc (./include/trace/events/kmem.h:57 (discriminator 22))
[  410.366068][T11190]  __nla_validate_parse (lib/nlattr.c:635)
[  410.366071][T11190]  __nla_parse (lib/nlattr.c:732)
[  410.366073][T11190]  genl_family_rcv_msg_attrs_parse.isra.0 (./include/net/netlink.h:789 (discriminator 2) net/netlink/genetlink.c:944 (discriminator 2))
[  410.366075][T11190]  ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22))
[  410.366077][T11190]  genl_family_rcv_msg_doit (net/netlink/genetlink.c:1092)
[  410.366080][T11190]  ? genl_family_rcv_msg_attrs_parse.isra.0 (./include/net/netlink.h:785 (discriminator 2))
[  410.366083][T11190]  ? security_capable (security/security.c:660 (discriminator 11))
[  410.366086][T11190]  genl_family_rcv_msg (net/netlink/genetlink.c:1194)
[  410.366089][T11190]  ? genl_family_rcv_msg_dumpit (net/netlink/genetlink.c:1079)
[  410.366092][T11190]  ? ovs_dp_cmd_get (./include/net/net_namespace.h:422 (discriminator 7)) openvswitch
[  410.366099][T11190]  ? filter_irq_stacks (kernel/stacktrace.c:402)
[  410.366102][T11190]  ? stack_depot_save_flags (lib/stackdepot.c:609 lib/stackdepot.c:676)
[  410.366104][T11190]  genl_rcv_msg (net/netlink/genetlink.c:1209)
[  410.366107][T11190]  netlink_rcv_skb (net/netlink/af_netlink.c:2556)
[  410.366109][T11190]  ? genl_family_rcv_msg (net/netlink/genetlink.c:1136 (discriminator 2))
[  410.366111][T11190]  ? netlink_ack (./include/linux/skbuff.h:2718)
[  410.366114][T11190]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  410.366115][T11190]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  410.366117][T11190]  ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22))
[  410.366119][T11190]  genl_rcv (net/netlink/genetlink.c:1218)
[  410.366121][T11190]  netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[  410.366123][T11190]  ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[  410.366126][T11190]  netlink_sendmsg (net/netlink/af_netlink.c:1900)
[  410.366128][T11190]  ? netlink_unicast (./include/net/net_namespace.h:422 (discriminator 7))
[  410.366130][T11190]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  410.366132][T11190]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  410.366133][T11190]  __sock_sendmsg (net/socket.c:800 (discriminator 4) net/socket.c:815 (discriminator 4))
[  410.366137][T11190]  ? fdget (fs/file.c:1200 fs/file.c:1208)
[  410.366140][T11190]  __sys_sendto (net/socket.c:2281)
[  410.366142][T11190]  ? __ia32_sys_getpeername (net/socket.c:2235)
[  410.366146][T11190]  ? fput_close_sync (fs/file_table.c:617)
[  410.366150][T11190]  ? alloc_file_clone (fs/file_table.c:479)
[  410.366152][T11190]  __x64_sys_sendto (net/socket.c:2288 net/socket.c:2284 net/socket.c:2284)
[  410.366154][T11190]  ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22))
[  410.366155][T11190]  ? trace_hardirqs_off_finish (./include/trace/events/preemptirq.h:36 (discriminator 22) kernel/trace/trace_preemptirq.c:95 (discriminator 22) kernel/trace/trace_preemptirq.c:90 (discriminator 22))
[  410.366157][T11190]  ? trace_hardirqs_on (kernel/trace/trace_preemptirq.c:78)
[  410.366158][T11190]  do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84)
[  410.366161][T11190]  ? exc_page_fault (arch/x86/mm/fault.c:1489 (discriminator 3) arch/x86/mm/fault.c:1536 (discriminator 3))
[  410.366163][T11190]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[  410.366165][T11190] RIP: 0033:0x7f0d246a9312
[  410.366167][T11190] 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)
[  410.366169][T11190] RSP: 002b:00007fff177c9a38 EFLAGS: 00000246 ORIG_RAX: 000000000000002c
[  410.366173][T11190] RAX: ffffffffffffffda RBX: 00007fff177c9b68 RCX: 00007f0d246a9312
[  410.366174][T11190] RDX: 0000000000000044 RSI: 00007f0d2026a650 RDI: 0000000000000020
[  410.366175][T11190] RBP: 00007fff177c9a60 R08: 00007fff177c9be0 R09: 000000000000000c
[  410.366176][T11190] R10: 0000000000000000 R11: 0000000000000246 R12: 00007f0d225060b0
[  410.366177][T11190] R13: 00007fff177c9b68 R14: 00007f0d23fc801a R15: 00007fff177c9f58
| [  411.889812][T11247] softirqs last disabled at (0): 0x0
| [  411.889814][T11247] Preemption disabled at:
| [  411.889815][T11247] vprintk_emit (kernel/printk/printk.c:2471)
| [  411.889825][T11247] Tainted: [W]=WARN
[  411.889826][T11247] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[  411.889829][T11247] Call Trace:
[  411.889830][T11247]  <TASK>
[  411.889831][T11247]  dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120)
[  411.889837][T11247]  ? vprintk_emit (kernel/printk/printk.c:2471)
[  411.889839][T11247]  __might_resched.cold (kernel/sched/core.c:9234)
[  411.889843][T11247]  ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3))
[  411.889846][T11247]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  411.889849][T11247]  __kmalloc_noprof (./include/linux/sched/mm.h:322 (discriminator 2) mm/slub.c:4636 (discriminator 2) mm/slub.c:4974 (discriminator 2) mm/slub.c:5413 (discriminator 2) mm/slub.c:5439 (discriminator 2))
[  411.889852][T11247]  ? __rwlock_init (kernel/locking/spinlock_debug.c:48)
[  411.889855][T11247]  ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[  411.889861][T11247]  ? do_raw_spin_unlock (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:32 ./include/asm-generic/qspinlock.h:58 kernel/locking/spinlock_debug.c:101 kernel/locking/spinlock_debug.c:141)
[  411.889863][T11247]  alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[  411.889865][T11247]  put_chars (drivers/char/virtio_console.c:1176)
[  411.889867][T11247]  ? __send_to_port (drivers/char/virtio_console.c:654)
[  411.889869][T11247]  ? printk_get_next_message (kernel/printk/printk.c:3072)
[  411.889872][T11247]  ? console_prepend_replay (kernel/printk/printk.c:3005)
[  411.889874][T11247]  hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2))
[  411.889879][T11247]  ? hvc_write (drivers/tty/hvc/hvc_console.c:501)
[  411.889881][T11247]  ? __rwlock_init (kernel/locking/spinlock_debug.c:48)
[  411.889883][T11247]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  411.889884][T11247]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  411.889885][T11247]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  411.889888][T11247]  console_emit_next_record (kernel/printk/printk.c:3183)
[  411.889891][T11247]  ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20)
[  411.889893][T11247]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  411.889894][T11247]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  411.889895][T11247]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  411.889896][T11247]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  411.889898][T11247]  ? console_flush_one_record (kernel/printk/printk.c:3247)
[  411.889900][T11247]  console_flush_one_record (kernel/printk/printk.c:3268)
[  411.889903][T11247]  ? console_emit_next_record (kernel/printk/printk.c:3150)
[  411.889906][T11247]  console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420)
[  411.889908][T11247]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  411.889909][T11247]  ? console_flush_one_record (kernel/printk/printk.c:3316)
[  411.889911][T11247]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  411.889912][T11247]  ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22))
[  411.889914][T11247]  ? 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)
[  411.889915][T11247]  ? __rcu_read_lock (kernel/rcu/tree_plugin.h:391 (discriminator 6))
[  411.889917][T11247]  ? __down_trylock_console_sem (kernel/printk/printk.c:334)
[  411.889919][T11247]  ? vprintk_emit (kernel/printk/printk.c:2478)
[  411.889921][T11247]  vprintk_emit (kernel/printk/printk.c:2479)
[  411.889923][T11247]  ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126))
[  411.889925][T11247]  _printk (kernel/printk/printk.c:2504)
[  411.889928][T11247]  ? snapshot_read.cold (user.c:?)
[  411.889930][T11247]  ? rcu_read_lock_held (kernel/rcu/update.c:105 kernel/rcu/update.c:349)
[  411.889933][T11247]  ? netdev_upper_get_next_dev_rcu (net/core/dev.c:8213 (discriminator 1))
[  411.889936][T11247]  ? 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)
[  411.889938][T11247]  ? __netdev_update_features (net/core/dev.c:11078 (discriminator 2))
[  411.889940][T11247]  ? netdev_name (./include/linux/netdevice.h:5709 (discriminator 1))
[  411.889944][T11247]  ? __netdev_printk (net/core/dev.c:13148 (discriminator 2))
[  411.889946][T11247]  netdev_info (net/core/dev.c:13195 (discriminator 3))
[  411.889948][T11247]  ? netdev_notice (net/core/dev.c:13194)
[  411.889950][T11247]  ? ovs_netdev_link (net/openvswitch/vport-netdev.c:85) openvswitch
[  411.889958][T11247]  ? 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)
[  411.889959][T11247]  __dev_set_promiscuity.cold (net/core/dev.c:9672 (discriminator 3))
[  411.889961][T11247]  netif_set_promiscuity (net/core/dev.c:9699)
[  411.889964][T11247]  dev_set_promiscuity (net/core/dev_api.c:288)
[  411.889966][T11247]  ? dev_disable_lro (net/core/dev_api.c:267)
[  411.889968][T11247] ovs_netdev_link (net/openvswitch/vport-netdev.c:106) openvswitch
[  411.889972][T11247] ovs_vport_add (net/openvswitch/vport.c:209) openvswitch
[  411.889976][T11247]  ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22))
[  411.889978][T11247] new_vport (net/openvswitch/datapath.c:203) openvswitch
[  411.889982][T11247]  ? ovs_lookup_vport (net/openvswitch/datapath.c:190) openvswitch
[  411.889986][T11247] ovs_vport_cmd_new (net/openvswitch/datapath.c:2389) openvswitch
[  411.889990][T11247]  ? ovs_vport_cmd_fill_info.isra.0 (./include/net/netlink.h:1107 (discriminator 1)) openvswitch
[  411.889994][T11247]  ? __nla_validate_parse (lib/nlattr.c:635)
[  411.889998][T11247]  ? __nla_parse (lib/nlattr.c:732)
[  411.890000][T11247]  ? genl_family_rcv_msg_attrs_parse.isra.0 (./include/net/netlink.h:789 (discriminator 2) net/netlink/genetlink.c:944 (discriminator 2))
[  411.890005][T11247]  genl_family_rcv_msg_doit (net/netlink/genetlink.c:1114)
[  411.890007][T11247]  ? genl_family_rcv_msg_attrs_parse.isra.0 (./include/net/netlink.h:785 (discriminator 2))
[  411.890010][T11247]  ? security_capable (security/security.c:660 (discriminator 11))
[  411.890014][T11247]  genl_family_rcv_msg (net/netlink/genetlink.c:1194)
[  411.890016][T11247]  ? genl_family_rcv_msg_dumpit (net/netlink/genetlink.c:1079)
[  411.890019][T11247]  ? ovs_vport_cmd_fill_info.isra.0 (./include/net/netlink.h:1107 (discriminator 1)) openvswitch
[  411.890022][T11247]  ? filter_irq_stacks (kernel/stacktrace.c:402)
[  411.890025][T11247]  ? stack_depot_save_flags (lib/stackdepot.c:609 lib/stackdepot.c:676)
[  411.890028][T11247]  genl_rcv_msg (net/netlink/genetlink.c:1209)
[  411.890030][T11247]  netlink_rcv_skb (net/netlink/af_netlink.c:2556)
[  411.890032][T11247]  ? genl_family_rcv_msg (net/netlink/genetlink.c:1136 (discriminator 2))
[  411.890034][T11247]  ? netlink_ack (./include/linux/skbuff.h:2718)
[  411.890037][T11247]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  411.890039][T11247]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  411.890040][T11247]  ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22))
[  411.890042][T11247]  genl_rcv (net/netlink/genetlink.c:1218)
[  411.890044][T11247]  netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[  411.890047][T11247]  ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[  411.890048][T11247]  ? trace_hardirqs_on (kernel/trace/trace_preemptirq.c:78)
[  411.890051][T11247]  ? __wake_up (./include/linux/spinlock.h:425 (discriminator 3) kernel/sched/wait.c:128 (discriminator 3) kernel/sched/wait.c:147 (discriminator 3))
[  411.890054][T11247]  netlink_sendmsg (net/netlink/af_netlink.c:1900)
[  411.890057][T11247]  ? netlink_unicast (./include/net/net_namespace.h:422 (discriminator 7))
[  411.890059][T11247]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  411.890061][T11247]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  411.890062][T11247]  __sock_sendmsg (net/socket.c:800 (discriminator 4) net/socket.c:815 (discriminator 4))
[  411.890065][T11247]  ? fdget (fs/file.c:1200 fs/file.c:1208)
[  411.890068][T11247]  __sys_sendto (net/socket.c:2281)
[  411.890071][T11247]  ? __ia32_sys_getpeername (net/socket.c:2235)
[  411.890073][T11247]  ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22))
[  411.890075][T11247]  ? do_futex (kernel/futex/syscalls.c:138)
[  411.890077][T11247]  ? __ia32_sys_get_robust_list (kernel/futex/syscalls.c:94)
[  411.890080][T11247]  ? xfd_validate_state (arch/x86/kernel/fpu/xstate.c:1497 (discriminator 1) arch/x86/kernel/fpu/xstate.c:1543 (discriminator 1))
[  411.890084][T11247]  ? do_futex (kernel/futex/syscalls.c:153 (discriminator 1))
[  411.890086][T11247]  __x64_sys_sendto (net/socket.c:2288 net/socket.c:2284 net/socket.c:2284)
[  411.890087][T11247]  ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22))
[  411.890089][T11247]  ? trace_hardirqs_off_finish (./include/trace/events/preemptirq.h:36 (discriminator 22) kernel/trace/trace_preemptirq.c:95 (discriminator 22) kernel/trace/trace_preemptirq.c:90 (discriminator 22))
[  411.890091][T11247]  ? trace_hardirqs_on (kernel/trace/trace_preemptirq.c:78)
[  411.890092][T11247]  do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84)
[  411.890096][T11247]  ? exc_page_fault (arch/x86/mm/fault.c:1489 (discriminator 3) arch/x86/mm/fault.c:1536 (discriminator 3))
[  411.890098][T11247]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[  411.890101][T11247] RIP: 0033:0x7f0dc81a5312
[  411.890103][T11247] 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)
[  411.890105][T11247] RSP: 002b:00007ffca23a6db8 EFLAGS: 00000246 ORIG_RAX: 000000000000002c
[  411.890108][T11247] RAX: ffffffffffffffda RBX: 00007ffca23a6ee8 RCX: 00007f0dc81a5312
[  411.890110][T11247] RDX: 0000000000000038 RSI: 00007f0dc445f1b0 RDI: 0000000000000023
[  411.890111][T11247] RBP: 00007ffca23a6de0 R08: 00007ffca23a6f60 R09: 000000000000000c
[  411.890112][T11247] R10: 0000000000000000 R11: 0000000000000246 R12: 00007f0dc6002190
[  411.890113][T11247] R13: 00007ffca23a6ee8 R14: 00007f0dc7ac401a R15: 00007ffca23a72d8
| [  418.785686][   T71] softirqs last disabled at (8660322): __fib6_clean_all (./include/linux/spinlock.h:353 net/ipv6/ip6_fib.c:2323)
| [  418.785688][   T71] Preemption disabled at:
| [  418.785689][   T71] vprintk_emit (kernel/printk/printk.c:2471)
| [  418.785700][   T71] Tainted: [W]=WARN
[  418.785701][   T71] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[  418.785703][   T71] Workqueue: netns cleanup_net
[  418.785709][   T71] Call Trace:
[  418.785710][   T71]  <TASK>
[  418.785712][   T71]  dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120)
[  418.785718][   T71]  ? vprintk_emit (kernel/printk/printk.c:2471)
[  418.785719][   T71]  __might_resched.cold (kernel/sched/core.c:9234)
[  418.785723][   T71]  ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3))
[  418.785727][   T71]  ? prb_next_reserve_seq (kernel/printk/printk_ringbuffer.c:2128)
[  418.785729][   T71]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  418.785731][   T71]  __kmalloc_noprof (./include/linux/sched/mm.h:322 (discriminator 2) mm/slub.c:4636 (discriminator 2) mm/slub.c:4974 (discriminator 2) mm/slub.c:5413 (discriminator 2) mm/slub.c:5439 (discriminator 2))
[  418.785735][   T71]  ? __rwlock_init (kernel/locking/spinlock_debug.c:48)
[  418.785738][   T71]  ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[  418.785742][   T71]  ? do_raw_spin_unlock (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:32 ./include/asm-generic/qspinlock.h:58 kernel/locking/spinlock_debug.c:101 kernel/locking/spinlock_debug.c:141)
[  418.785744][   T71]  alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[  418.785747][   T71]  put_chars (drivers/char/virtio_console.c:1176)
[  418.785749][   T71]  ? prb_final_commit (kernel/printk/printk_ringbuffer.c:1842)
[  418.785750][   T71]  ? __send_to_port (drivers/char/virtio_console.c:654)
[  418.785752][   T71]  ? printk_get_next_message (kernel/printk/printk.c:3072)
[  418.785755][   T71]  hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2))
[  418.785760][   T71]  ? hvc_write (drivers/tty/hvc/hvc_console.c:501)
[  418.785762][   T71]  ? 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)
[  418.785764][   T71]  ? vsnprintf (lib/vsprintf.c:2953 (discriminator 1))
[  418.785767][   T71]  ? __rwlock_init (kernel/locking/spinlock_debug.c:48)
[  418.785769][   T71]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  418.785770][   T71]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  418.785773][   T71]  console_emit_next_record (kernel/printk/printk.c:3183)
[  418.785776][   T71]  ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20)
[  418.785778][   T71]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  418.785779][   T71]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  418.785780][   T71]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  418.785781][   T71]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  418.785783][   T71]  ? console_flush_one_record (kernel/printk/printk.c:3247)
[  418.785785][   T71]  console_flush_one_record (kernel/printk/printk.c:3268)
[  418.785788][   T71]  ? console_emit_next_record (kernel/printk/printk.c:3150)
[  418.785791][   T71]  console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420)
[  418.785793][   T71]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  418.785794][   T71]  ? console_flush_one_record (kernel/printk/printk.c:3316)
[  418.785796][   T71]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  418.785797][   T71]  ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22))
[  418.785799][   T71]  ? 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)
[  418.785801][   T71]  ? __rcu_read_lock (kernel/rcu/tree_plugin.h:391 (discriminator 6))
[  418.785802][   T71]  ? __down_trylock_console_sem (kernel/printk/printk.c:334)
[  418.785804][   T71]  ? vprintk_emit (kernel/printk/printk.c:2478)
[  418.785806][   T71]  vprintk_emit (kernel/printk/printk.c:2479)
[  418.785808][   T71]  ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126))
[  418.785810][   T71]  ? net_disable_timestamp (./include/linux/workqueue.h:761)
[  418.785812][   T71]  ? net_generic (./include/linux/rcupdate.h:882 ./include/net/netns/generic.h:48) vxlan
[  418.785819][   T71]  _printk (kernel/printk/printk.c:2504)
[  418.785822][   T71]  ? snapshot_read.cold (user.c:?)
[  418.785825][   T71]  ? netdev_name (./include/linux/netdevice.h:5709 (discriminator 1))
[  418.785828][   T71]  ? __netdev_printk (net/core/dev.c:13148 (discriminator 2))
[  418.785830][   T71]  netdev_info (net/core/dev.c:13195 (discriminator 3))
[  418.785833][   T71]  ? netdev_notice (net/core/dev.c:13194)
[  418.785835][   T71]  ? __netdev_upper_dev_unlink (net/core/dev.c:9094)
[  418.785837][   T71]  ? synchronize_rcu_expedited (kernel/rcu/tree_exp.h:985)
[  418.785840][   T71]  ? 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)
[  418.785842][   T71]  __dev_set_promiscuity.cold (net/core/dev.c:9672 (discriminator 3))
[  418.785844][   T71]  netif_set_promiscuity (net/core/dev.c:9699)
[  418.785847][   T71]  dev_set_promiscuity (net/core/dev_api.c:288)
[  418.785849][   T71]  ? rtnl_is_locked (net/core/rtnetlink.c:169)
[  418.785852][   T71] ovs_netdev_detach_dev (net/openvswitch/vport-netdev.c:174) openvswitch
[  418.785858][   T71] dp_device_event (net/openvswitch/dp_notify.c:74) openvswitch
[  418.785863][   T71]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  418.785865][   T71]  notifier_call_chain (kernel/notifier.c:85)
[  418.785868][   T71]  unregister_netdevice_many_notify (net/core/dev.c:2313 net/core/dev.c:2327 net/core/dev.c:12518)
[  418.785871][   T71]  ? unregister_netdevice_queued (./include/linux/list.h:419 (discriminator 3))
[  418.785873][   T71]  ? get_rps_cpu (net/core/dev.c:5240)
[  418.785876][   T71]  default_device_exit_batch (net/core/dev.c:12589 net/core/dev.c:13288)
[  418.785878][   T71]  ? __mutex_unlock_slowpath (./include/linux/preempt.h:500 (discriminator 1) kernel/locking/mutex.c:999 (discriminator 1))
[  418.785879][   T71]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  418.785881][   T71]  ? unregister_netdevice_queue (./include/linux/list.h:173)
[  418.785883][   T71]  ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3))
[  418.785885][   T71]  ? fou_exit_net (net/ipv4/fou_core.c:1228)
[  418.785888][   T71]  ops_undo_list (net/core/net_namespace.c:206 net/core/net_namespace.c:253)
[  418.785890][   T71]  ? netns_install (./include/linux/ns_common.h:26)
[  418.785892][   T71]  ? idr_destroy (lib/radix-tree.c:310 lib/radix-tree.c:674 lib/radix-tree.c:1563)
[  418.785895][   T71]  cleanup_net (net/core/net_namespace.c:706)
[  418.785897][   T71]  ? net_passive_dec (./include/linux/llist.h:241)
[  418.785899][   T71]  ? update_load_avg (kernel/sched/fair.c:5864)
[  418.785902][   T71]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  418.785903][   T71]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  418.785905][   T71]  process_one_work (kernel/workqueue.c:3387)
[  418.785909][   T71]  ? __queue_delayed_work (kernel/workqueue.c:2622)
[  418.785912][   T71]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[  418.785914][   T71]  ? __rwlock_init (kernel/locking/spinlock_debug.c:48)
[  418.785916][   T71]  worker_thread (kernel/workqueue.c:3470 kernel/workqueue.c:3551)
[  418.785919][   T71]  ? rescuer_thread (./include/linux/list.h:419 (discriminator 3))
[  418.785921][   T71]  ? __kthread_parkme (./include/linux/instrumented.h:82 ./include/asm-generic/bitops/instrumented-non-atomic.h:141 kernel/kthread.c:272)
[  418.785923][   T71]  ? rescuer_thread (./include/linux/list.h:419 (discriminator 3))
[  418.785925][   T71]  ? rescuer_thread (./include/linux/list.h:419 (discriminator 3))
[  418.785927][   T71]  kthread (kernel/kthread.c:436)
[  418.785929][   T71]  ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22))
[  418.785932][   T71]  ? kthread_affine_preferred (kernel/kthread.c:857)
[  418.785934][   T71]  ret_from_fork (arch/x86/kernel/process.c:158)
[  418.785938][   T71]  ? arch_exit_to_user_mode_prepare.isra.0 (arch/x86/entry/vdso/vma.c:80 (discriminator 1))
[  418.785940][   T71]  ? __switch_to (arch/x86/kernel/process_64.c:403 arch/x86/kernel/process_64.c:663)
[  418.785943][   T71]  ? kthread_affine_preferred (kernel/kthread.c:857)
[  418.785945][   T71]  ret_from_fork_asm (arch/x86/entry/entry_64.S:245)
| [  420.064562][T11461] softirqs last disabled at (0): 0x0
| [  420.064563][T11461] Preemption disabled at:
| [  420.064564][T11461] vprintk_emit (kernel/printk/printk.c:2471)
| [  420.064577][T11461] Tainted: [W]=WARN
[  420.064578][T11461] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[  420.064581][T11461] Call Trace:
[  420.064583][T11461]  <TASK>
[  420.064585][T11461]  dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120)
[  420.064592][T11461]  ? vprintk_emit (kernel/printk/printk.c:2471)
[  420.064593][T11461]  __might_resched.cold (kernel/sched/core.c:9234)
[  420.064598][T11461]  ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3))
[  420.064601][T11461]  ? __asan_memcpy (mm/kasan/shadow.c:106 (discriminator 1))
[  420.064605][T11461]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  420.064607][T11461]  __kmalloc_noprof (./include/linux/sched/mm.h:322 (discriminator 2) mm/slub.c:4636 (discriminator 2) mm/slub.c:4974 (discriminator 2) mm/slub.c:5413 (discriminator 2) mm/slub.c:5439 (discriminator 2))
[  420.064610][T11461]  ? __rwlock_init (kernel/locking/spinlock_debug.c:48)
[  420.064613][T11461]  ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[  420.064618][T11461]  ? do_raw_spin_unlock (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:32 ./include/asm-generic/qspinlock.h:58 kernel/locking/spinlock_debug.c:101 kernel/locking/spinlock_debug.c:141)
[  420.064620][T11461]  alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[  420.064622][T11461]  put_chars (drivers/char/virtio_console.c:1176)
[  420.064624][T11461]  ? __send_to_port (drivers/char/virtio_console.c:654)
[  420.064626][T11461]  ? console_prepend_replay (kernel/printk/printk.c:3005)
[  420.064629][T11461]  hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2))
[  420.064634][T11461]  ? hvc_write (drivers/tty/hvc/hvc_console.c:501)
[  420.064636][T11461]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  420.064637][T11461]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  420.064640][T11461]  console_emit_next_record (kernel/printk/printk.c:3183)
[  420.064642][T11461]  ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20)
[  420.064645][T11461]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  420.064646][T11461]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  420.064647][T11461]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  420.064648][T11461]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  420.064650][T11461]  ? console_flush_one_record (kernel/printk/printk.c:3247)
[  420.064651][T11461]  console_flush_one_record (kernel/printk/printk.c:3268)
[  420.064654][T11461]  ? console_emit_next_record (kernel/printk/printk.c:3150)
[  420.064657][T11461]  console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420)
[  420.064659][T11461]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  420.064660][T11461]  ? console_flush_one_record (kernel/printk/printk.c:3316)
[  420.064665][T11461]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  420.064666][T11461]  ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22))
[  420.064668][T11461]  ? 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)
[  420.064670][T11461]  ? __rcu_read_lock (kernel/rcu/tree_plugin.h:391 (discriminator 6))
[  420.064671][T11461]  ? __down_trylock_console_sem (kernel/printk/printk.c:334)
[  420.064674][T11461]  ? vprintk_emit (kernel/printk/printk.c:2478)
[  420.064675][T11461]  vprintk_emit (kernel/printk/printk.c:2479)
[  420.064677][T11461]  ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126))
[  420.064679][T11461]  ? net_disable_timestamp (./include/linux/workqueue.h:761)
[  420.064683][T11461]  ? net_generic (./include/linux/rcupdate.h:882 ./include/net/netns/generic.h:48) vxlan
[  420.064690][T11461]  _printk (kernel/printk/printk.c:2504)
[  420.064693][T11461]  ? snapshot_read.cold (user.c:?)
[  420.064695][T11461]  ? netdev_name (./include/linux/netdevice.h:5709 (discriminator 1))
[  420.064698][T11461]  ? __netdev_printk (net/core/dev.c:13148 (discriminator 2))
[  420.064701][T11461]  netdev_info (net/core/dev.c:13195 (discriminator 3))
[  420.064703][T11461]  ? netdev_notice (net/core/dev.c:13194)
[  420.064705][T11461]  ? __netdev_upper_dev_unlink (net/core/dev.c:9094)
[  420.064708][T11461]  ? synchronize_rcu_expedited (kernel/rcu/tree_exp.h:985)
[  420.064711][T11461]  ? 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)
[  420.064712][T11461]  __dev_set_promiscuity.cold (net/core/dev.c:9672 (discriminator 3))
[  420.064715][T11461]  netif_set_promiscuity (net/core/dev.c:9699)
[  420.064717][T11461]  dev_set_promiscuity (net/core/dev_api.c:288)
[  420.064719][T11461]  ? rtnl_is_locked (net/core/rtnetlink.c:169)
[  420.064722][T11461] ovs_netdev_detach_dev (net/openvswitch/vport-netdev.c:174) openvswitch
[  420.064729][T11461]  ? netdev_destroy (net/openvswitch/vport-netdev.c:189) openvswitch
[  420.064732][T11461] netdev_destroy (net/openvswitch/vport-netdev.c:194) openvswitch
[  420.064736][T11461] ovs_vport_cmd_del (net/openvswitch/datapath.c:2505) openvswitch
[  420.064742][T11461]  genl_family_rcv_msg_doit (net/netlink/genetlink.c:1114)
[  420.064746][T11461]  ? genl_family_rcv_msg_attrs_parse.isra.0 (./include/net/netlink.h:785 (discriminator 2))
[  420.064750][T11461]  ? security_capable (security/security.c:660 (discriminator 11))
[  420.064753][T11461]  genl_family_rcv_msg (net/netlink/genetlink.c:1194)
[  420.064755][T11461]  ? genl_family_rcv_msg_dumpit (net/netlink/genetlink.c:1079)
[  420.064758][T11461]  ? ovs_dp_detach_port (./include/linux/list.h:1047 (discriminator 2)) openvswitch
[  420.064761][T11461]  ? filter_irq_stacks (kernel/stacktrace.c:402)
[  420.064764][T11461]  ? stack_depot_save_flags (lib/stackdepot.c:609 lib/stackdepot.c:676)
[  420.064768][T11461]  genl_rcv_msg (net/netlink/genetlink.c:1209)
[  420.064770][T11461]  netlink_rcv_skb (net/netlink/af_netlink.c:2556)
[  420.064772][T11461]  ? genl_family_rcv_msg (net/netlink/genetlink.c:1136 (discriminator 2))
[  420.064774][T11461]  ? netlink_ack (./include/linux/skbuff.h:2718)
[  420.064777][T11461]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  420.064779][T11461]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  420.064780][T11461]  ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22))
[  420.064782][T11461]  genl_rcv (net/netlink/genetlink.c:1218)
[  420.064784][T11461]  netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[  420.064786][T11461]  ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[  420.064788][T11461]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  420.064790][T11461]  netlink_sendmsg (net/netlink/af_netlink.c:1900)
[  420.064792][T11461]  ? netlink_unicast (./include/net/net_namespace.h:422 (discriminator 7))
[  420.064794][T11461]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  420.064796][T11461]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  420.064797][T11461]  __sock_sendmsg (net/socket.c:800 (discriminator 4) net/socket.c:815 (discriminator 4))
[  420.064800][T11461]  ? fdget (fs/file.c:1200 fs/file.c:1208)
[  420.064803][T11461]  __sys_sendto (net/socket.c:2281)
[  420.064806][T11461]  ? __ia32_sys_getpeername (net/socket.c:2235)
[  420.064810][T11461]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  420.064811][T11461]  ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22))
[  420.064813][T11461]  __x64_sys_sendto (net/socket.c:2288 net/socket.c:2284 net/socket.c:2284)
[  420.064815][T11461]  ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22))
[  420.064818][T11461]  ? trace_hardirqs_off_finish (./include/trace/events/preemptirq.h:36 (discriminator 22) kernel/trace/trace_preemptirq.c:95 (discriminator 22) kernel/trace/trace_preemptirq.c:90 (discriminator 22))
[  420.064820][T11461]  ? trace_hardirqs_on (kernel/trace/trace_preemptirq.c:78)
[  420.064821][T11461]  do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84)
[  420.064825][T11461]  ? exc_page_fault (arch/x86/mm/fault.c:1489 (discriminator 3) arch/x86/mm/fault.c:1536 (discriminator 3))
[  420.064827][T11461]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[  420.064829][T11461] RIP: 0033:0x7f1c8ced9312
[  420.064831][T11461] 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)
[  420.064833][T11461] RSP: 002b:00007ffc7464b7b8 EFLAGS: 00000246 ORIG_RAX: 000000000000002c
[  420.064837][T11461] RAX: ffffffffffffffda RBX: 00007ffc7464b8e8 RCX: 00007f1c8ced9312
[  420.064839][T11461] RDX: 0000000000000028 RSI: 00007f1c88b2d230 RDI: 0000000000000023
[  420.064840][T11461] RBP: 00007ffc7464b7e0 R08: 00007ffc7464b960 R09: 000000000000000c
[  420.064841][T11461] R10: 0000000000000000 R11: 0000000000000246 R12: 00007f1c8ad35fd0
[  420.064842][T11461] R13: 00007ffc7464b8e8 R14: 00007f1c8c7f801a R15: 00007ffc7464bcd8
| [  422.785748][T11581] softirqs last disabled at (0): 0x0
| [  422.785750][T11581] Preemption disabled at:
| [  422.785751][T11581] vprintk_emit (kernel/printk/printk.c:2471)
| [  422.785761][T11581] Tainted: [W]=WARN
[  422.785762][T11581] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[  422.785764][T11581] Call Trace:
[  422.785766][T11581]  <TASK>
[  422.785767][T11581]  dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120)
[  422.785773][T11581]  ? vprintk_emit (kernel/printk/printk.c:2471)
[  422.785774][T11581]  __might_resched.cold (kernel/sched/core.c:9234)
[  422.785779][T11581]  ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3))
[  422.785782][T11581]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  422.785785][T11581]  __kmalloc_noprof (./include/linux/sched/mm.h:322 (discriminator 2) mm/slub.c:4636 (discriminator 2) mm/slub.c:4974 (discriminator 2) mm/slub.c:5413 (discriminator 2) mm/slub.c:5439 (discriminator 2))
[  422.785788][T11581]  ? __rwlock_init (kernel/locking/spinlock_debug.c:48)
[  422.785791][T11581]  ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[  422.785796][T11581]  ? do_raw_spin_unlock (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:32 ./include/asm-generic/qspinlock.h:58 kernel/locking/spinlock_debug.c:101 kernel/locking/spinlock_debug.c:141)
[  422.785798][T11581]  alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[  422.785801][T11581]  put_chars (drivers/char/virtio_console.c:1176)
[  422.785803][T11581]  ? __send_to_port (drivers/char/virtio_console.c:654)
[  422.785804][T11581]  ? printk_get_next_message (kernel/printk/printk.c:3072)
[  422.785808][T11581]  hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2))
[  422.785812][T11581]  ? hvc_write (drivers/tty/hvc/hvc_console.c:501)
[  422.785815][T11581]  ? __rwlock_init (kernel/locking/spinlock_debug.c:48)
[  422.785816][T11581]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  422.785818][T11581]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  422.785820][T11581]  console_emit_next_record (kernel/printk/printk.c:3183)
[  422.785823][T11581]  ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20)
[  422.785825][T11581]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  422.785827][T11581]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  422.785829][T11581]  ? console_flush_one_record (kernel/printk/printk.c:3247)
[  422.785830][T11581]  console_flush_one_record (kernel/printk/printk.c:3268)
[  422.785833][T11581]  ? console_emit_next_record (kernel/printk/printk.c:3150)
[  422.785836][T11581]  console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420)
[  422.785838][T11581]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  422.785840][T11581]  ? console_flush_one_record (kernel/printk/printk.c:3316)
[  422.785841][T11581]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  422.785842][T11581]  ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22))
[  422.785844][T11581]  ? 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)
[  422.785845][T11581]  ? __rcu_read_lock (kernel/rcu/tree_plugin.h:391 (discriminator 6))
[  422.785847][T11581]  ? __down_trylock_console_sem (kernel/printk/printk.c:334)
[  422.785849][T11581]  ? vprintk_emit (kernel/printk/printk.c:2478)
[  422.785850][T11581]  vprintk_emit (kernel/printk/printk.c:2479)
[  422.785852][T11581]  ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126))
[  422.785853][T11581]  ? do_raw_spin_trylock (./include/linux/instrumented.h:55 ./include/linux/atomic/atomic-instrumented.h:1301 ./include/asm-generic/qspinlock.h:98 kernel/locking/spinlock_debug.c:123)
[  422.785855][T11581]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  422.785856][T11581]  ? genl_family_rcv_msg (net/netlink/genetlink.c:1194)
[  422.785860][T11581]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  422.785862][T11581]  _printk (kernel/printk/printk.c:2504)
[  422.785865][T11581]  ? snapshot_read.cold (user.c:?)
[  422.785867][T11581]  ? ___ratelimit (lib/ratelimit.c:97 (discriminator 3))
[  422.785871][T11581]  ? idr_get_free (??:?)
[  422.785873][T11581]  ? trace_irq_enable.constprop.0 (./include/linux/instrumented.h:82 ./include/asm-generic/bitops/instrumented-non-atomic.h:141 ./include/linux/cpumask.h:650 ./include/linux/cpumask.h:1232 ./include/trace/events/preemptirq.h:40)
[  422.785876][T11581]  validate_nla.cold (lib/nlattr.c:414 (discriminator 4))
[  422.785883][T11581]  ? nla_get_range_signed (lib/nlattr.c:270)
[  422.785887][T11581]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  422.785889][T11581]  ? trace_kmalloc (./include/trace/events/kmem.h:57 (discriminator 22))
[  422.785891][T11581]  __nla_validate_parse (lib/nlattr.c:635)
[  422.785894][T11581]  __nla_parse (lib/nlattr.c:732)
[  422.785896][T11581]  genl_family_rcv_msg_attrs_parse.isra.0 (./include/net/netlink.h:789 (discriminator 2) net/netlink/genetlink.c:944 (discriminator 2))
[  422.785899][T11581]  ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22))
[  422.785901][T11581]  genl_family_rcv_msg_doit (net/netlink/genetlink.c:1092)
[  422.785903][T11581]  ? genl_family_rcv_msg_attrs_parse.isra.0 (./include/net/netlink.h:785 (discriminator 2))
[  422.785906][T11581]  ? security_capable (security/security.c:660 (discriminator 11))
[  422.785910][T11581]  genl_family_rcv_msg (net/netlink/genetlink.c:1194)
[  422.785912][T11581]  ? genl_family_rcv_msg_dumpit (net/netlink/genetlink.c:1079)
[  422.785915][T11581]  ? ovs_dp_cmd_get (./include/net/net_namespace.h:422 (discriminator 7)) openvswitch
[  422.785922][T11581]  ? filter_irq_stacks (kernel/stacktrace.c:402)
[  422.785925][T11581]  ? stack_depot_save_flags (lib/stackdepot.c:609 lib/stackdepot.c:676)
[  422.785928][T11581]  genl_rcv_msg (net/netlink/genetlink.c:1209)
[  422.785930][T11581]  netlink_rcv_skb (net/netlink/af_netlink.c:2556)
[  422.785932][T11581]  ? genl_family_rcv_msg (net/netlink/genetlink.c:1136 (discriminator 2))
[  422.785934][T11581]  ? netlink_ack (./include/linux/skbuff.h:2718)
[  422.785937][T11581]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  422.785939][T11581]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  422.785940][T11581]  ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22))
[  422.785942][T11581]  genl_rcv (net/netlink/genetlink.c:1218)
[  422.785944][T11581]  netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[  422.785946][T11581]  ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[  422.785949][T11581]  netlink_sendmsg (net/netlink/af_netlink.c:1900)
[  422.785951][T11581]  ? netlink_unicast (./include/net/net_namespace.h:422 (discriminator 7))
[  422.785953][T11581]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  422.785955][T11581]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  422.785956][T11581]  __sock_sendmsg (net/socket.c:800 (discriminator 4) net/socket.c:815 (discriminator 4))
[  422.785959][T11581]  ? fdget (fs/file.c:1200 fs/file.c:1208)
[  422.785962][T11581]  __sys_sendto (net/socket.c:2281)
[  422.785965][T11581]  ? __ia32_sys_getpeername (net/socket.c:2235)
[  422.785969][T11581]  ? fput_close_sync (fs/file_table.c:617)
[  422.785971][T11581]  ? alloc_file_clone (fs/file_table.c:479)
[  422.785974][T11581]  __x64_sys_sendto (net/socket.c:2288 net/socket.c:2284 net/socket.c:2284)
[  422.785976][T11581]  ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22))
[  422.785977][T11581]  ? trace_hardirqs_off_finish (./include/trace/events/preemptirq.h:36 (discriminator 22) kernel/trace/trace_preemptirq.c:95 (discriminator 22) kernel/trace/trace_preemptirq.c:90 (discriminator 22))
[  422.785979][T11581]  ? trace_hardirqs_on (kernel/trace/trace_preemptirq.c:78)
[  422.785980][T11581]  do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84)
[  422.785983][T11581]  ? exc_page_fault (arch/x86/mm/fault.c:1489 (discriminator 3) arch/x86/mm/fault.c:1536 (discriminator 3))
[  422.785985][T11581]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[  422.785987][T11581] RIP: 0033:0x7f3ff4b6b312
[  422.785989][T11581] 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)
[  422.785991][T11581] RSP: 002b:00007ffda67561e8 EFLAGS: 00000246 ORIG_RAX: 000000000000002c
[  422.785995][T11581] RAX: ffffffffffffffda RBX: 00007ffda6756318 RCX: 00007f3ff4b6b312
[  422.785997][T11581] RDX: 0000000000000044 RSI: 00007f3ff073fa50 RDI: 0000000000000020
[  422.785998][T11581] RBP: 00007ffda6756210 R08: 00007ffda6756390 R09: 000000000000000c
[  422.785999][T11581] R10: 0000000000000000 R11: 0000000000000246 R12: 00007f3ff29ce0b0
[  422.786000][T11581] R13: 00007ffda6756318 R14: 00007f3ff448a01a R15: 00007ffda6756708
| [  424.334247][T11638] softirqs last disabled at (0): 0x0
| [  424.334249][T11638] Preemption disabled at:
| [  424.334250][T11638] vprintk_emit (kernel/printk/printk.c:2471)
| [  424.334261][T11638] Tainted: [W]=WARN
[  424.334262][T11638] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[  424.334264][T11638] Call Trace:
[  424.334266][T11638]  <TASK>
[  424.334267][T11638]  dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120)
[  424.334274][T11638]  ? vprintk_emit (kernel/printk/printk.c:2471)
[  424.334275][T11638]  __might_resched.cold (kernel/sched/core.c:9234)
[  424.334279][T11638]  ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3))
[  424.334283][T11638]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  424.334286][T11638]  __kmalloc_noprof (./include/linux/sched/mm.h:322 (discriminator 2) mm/slub.c:4636 (discriminator 2) mm/slub.c:4974 (discriminator 2) mm/slub.c:5413 (discriminator 2) mm/slub.c:5439 (discriminator 2))
[  424.334289][T11638]  ? __rwlock_init (kernel/locking/spinlock_debug.c:48)
[  424.334292][T11638]  ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[  424.334297][T11638]  ? do_raw_spin_unlock (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:32 ./include/asm-generic/qspinlock.h:58 kernel/locking/spinlock_debug.c:101 kernel/locking/spinlock_debug.c:141)
[  424.334299][T11638]  alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[  424.334302][T11638]  put_chars (drivers/char/virtio_console.c:1176)
[  424.334304][T11638]  ? __send_to_port (drivers/char/virtio_console.c:654)
[  424.334305][T11638]  ? printk_get_next_message (kernel/printk/printk.c:3072)
[  424.334308][T11638]  ? console_prepend_replay (kernel/printk/printk.c:3005)
[  424.334311][T11638]  hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2))
[  424.334316][T11638]  ? hvc_write (drivers/tty/hvc/hvc_console.c:501)
[  424.334318][T11638]  ? __rwlock_init (kernel/locking/spinlock_debug.c:48)
[  424.334320][T11638]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  424.334321][T11638]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  424.334323][T11638]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  424.334325][T11638]  console_emit_next_record (kernel/printk/printk.c:3183)
[  424.334328][T11638]  ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20)
[  424.334331][T11638]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  424.334332][T11638]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  424.334333][T11638]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  424.334335][T11638]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  424.334337][T11638]  ? console_flush_one_record (kernel/printk/printk.c:3247)
[  424.334339][T11638]  console_flush_one_record (kernel/printk/printk.c:3268)
[  424.334342][T11638]  ? console_emit_next_record (kernel/printk/printk.c:3150)
[  424.334345][T11638]  console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420)
[  424.334348][T11638]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  424.334350][T11638]  ? console_flush_one_record (kernel/printk/printk.c:3316)
[  424.334352][T11638]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  424.334353][T11638]  ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22))
[  424.334355][T11638]  ? 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)
[  424.334357][T11638]  ? __rcu_read_lock (kernel/rcu/tree_plugin.h:391 (discriminator 6))
[  424.334358][T11638]  ? __down_trylock_console_sem (kernel/printk/printk.c:334)
[  424.334361][T11638]  ? vprintk_emit (kernel/printk/printk.c:2478)
[  424.334363][T11638]  vprintk_emit (kernel/printk/printk.c:2479)
[  424.334365][T11638]  ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126))
[  424.334367][T11638]  _printk (kernel/printk/printk.c:2504)
[  424.334371][T11638]  ? snapshot_read.cold (user.c:?)
[  424.334373][T11638]  ? rcu_read_lock_held (kernel/rcu/update.c:105 kernel/rcu/update.c:349)
[  424.334376][T11638]  ? netdev_upper_get_next_dev_rcu (net/core/dev.c:8213 (discriminator 1))
[  424.334381][T11638]  ? 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)
[  424.334382][T11638]  ? __netdev_update_features (net/core/dev.c:11078 (discriminator 2))
[  424.334384][T11638]  ? netdev_name (./include/linux/netdevice.h:5709 (discriminator 1))
[  424.334388][T11638]  ? __netdev_printk (net/core/dev.c:13148 (discriminator 2))
[  424.334391][T11638]  netdev_info (net/core/dev.c:13195 (discriminator 3))
[  424.334394][T11638]  ? netdev_notice (net/core/dev.c:13194)
[  424.334396][T11638]  ? ovs_netdev_link (net/openvswitch/vport-netdev.c:85) openvswitch
[  424.334406][T11638]  ? 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)
[  424.334408][T11638]  __dev_set_promiscuity.cold (net/core/dev.c:9672 (discriminator 3))
[  424.334411][T11638]  netif_set_promiscuity (net/core/dev.c:9699)
[  424.334414][T11638]  dev_set_promiscuity (net/core/dev_api.c:288)
[  424.334416][T11638]  ? dev_disable_lro (net/core/dev_api.c:267)
[  424.334418][T11638] ovs_netdev_link (net/openvswitch/vport-netdev.c:106) openvswitch
[  424.334424][T11638] ovs_vport_add (net/openvswitch/vport.c:209) openvswitch
[  424.334429][T11638]  ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22))
[  424.334432][T11638] new_vport (net/openvswitch/datapath.c:203) openvswitch
[  424.334438][T11638]  ? ovs_lookup_vport (net/openvswitch/datapath.c:190) openvswitch
[  424.334443][T11638] ovs_vport_cmd_new (net/openvswitch/datapath.c:2389) openvswitch
[  424.334448][T11638]  ? ovs_vport_cmd_fill_info.isra.0 (./include/net/netlink.h:1107 (discriminator 1)) openvswitch
[  424.334453][T11638]  ? __nla_validate_parse (lib/nlattr.c:635)
[  424.334458][T11638]  ? __nla_parse (lib/nlattr.c:732)
[  424.334460][T11638]  ? genl_family_rcv_msg_attrs_parse.isra.0 (./include/net/netlink.h:789 (discriminator 2) net/netlink/genetlink.c:944 (discriminator 2))
[  424.334465][T11638]  genl_family_rcv_msg_doit (net/netlink/genetlink.c:1114)
[  424.334468][T11638]  ? genl_family_rcv_msg_attrs_parse.isra.0 (./include/net/netlink.h:785 (discriminator 2))
[  424.334473][T11638]  ? security_capable (security/security.c:660 (discriminator 11))
[  424.334476][T11638]  genl_family_rcv_msg (net/netlink/genetlink.c:1194)
[  424.334479][T11638]  ? genl_family_rcv_msg_dumpit (net/netlink/genetlink.c:1079)
[  424.334482][T11638]  ? ovs_vport_cmd_fill_info.isra.0 (./include/net/netlink.h:1107 (discriminator 1)) openvswitch
[  424.334488][T11638]  ? filter_irq_stacks (kernel/stacktrace.c:402)
[  424.334492][T11638]  ? stack_depot_save_flags (lib/stackdepot.c:609 lib/stackdepot.c:676)
[  424.334495][T11638]  genl_rcv_msg (net/netlink/genetlink.c:1209)
[  424.334498][T11638]  netlink_rcv_skb (net/netlink/af_netlink.c:2556)
[  424.334500][T11638]  ? genl_family_rcv_msg (net/netlink/genetlink.c:1136 (discriminator 2))
[  424.334503][T11638]  ? netlink_ack (./include/linux/skbuff.h:2718)
[  424.334507][T11638]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  424.334509][T11638]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  424.334511][T11638]  ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22))
[  424.334513][T11638]  genl_rcv (net/netlink/genetlink.c:1218)
[  424.334516][T11638]  netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[  424.334518][T11638]  ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[  424.334521][T11638]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  424.334523][T11638]  netlink_sendmsg (net/netlink/af_netlink.c:1900)
[  424.334526][T11638]  ? netlink_unicast (./include/net/net_namespace.h:422 (discriminator 7))
[  424.334529][T11638]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  424.334531][T11638]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  424.334533][T11638]  __sock_sendmsg (net/socket.c:800 (discriminator 4) net/socket.c:815 (discriminator 4))
[  424.334536][T11638]  ? fdget (fs/file.c:1200 fs/file.c:1208)
[  424.334540][T11638]  __sys_sendto (net/socket.c:2281)
[  424.334544][T11638]  ? __ia32_sys_getpeername (net/socket.c:2235)
[  424.334550][T11638]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  424.334560][T11638]  ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22))
[  424.334563][T11638]  __x64_sys_sendto (net/socket.c:2288 net/socket.c:2284 net/socket.c:2284)
[  424.334566][T11638]  ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22))
[  424.334569][T11638]  ? trace_hardirqs_off_finish (./include/trace/events/preemptirq.h:36 (discriminator 22) kernel/trace/trace_preemptirq.c:95 (discriminator 22) kernel/trace/trace_preemptirq.c:90 (discriminator 22))
[  424.334572][T11638]  ? trace_hardirqs_on (kernel/trace/trace_preemptirq.c:78)
[  424.334576][T11638]  do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84)
[  424.334582][T11638]  ? exc_page_fault (arch/x86/mm/fault.c:1489 (discriminator 3) arch/x86/mm/fault.c:1536 (discriminator 3))
[  424.334586][T11638]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[  424.334591][T11638] RIP: 0033:0x7fb01c1cb312
[  424.334595][T11638] 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)
[  424.334598][T11638] RSP: 002b:00007fff64aa2ea8 EFLAGS: 00000246 ORIG_RAX: 000000000000002c
[  424.334603][T11638] RAX: ffffffffffffffda RBX: 00007fff64aa2fd8 RCX: 00007fb01c1cb312
[  424.334605][T11638] RDX: 0000000000000038 RSI: 00007fb01848df30 RDI: 0000000000000023
[  424.334607][T11638] RBP: 00007fff64aa2ed0 R08: 00007fff64aa3050 R09: 000000000000000c
[  424.334608][T11638] R10: 0000000000000000 R11: 0000000000000246 R12: 00007fb01a032190
[  424.334609][T11638] R13: 00007fff64aa2fd8 R14: 00007fb01baea01a R15: 00007fff64aa33c8
| [  431.282095][   T71] softirqs last disabled at (8660322): __fib6_clean_all (./include/linux/spinlock.h:353 net/ipv6/ip6_fib.c:2323)
| [  431.282097][   T71] Preemption disabled at:
| [  431.282098][   T71] vprintk_emit (kernel/printk/printk.c:2471)
| [  431.282109][   T71] Tainted: [W]=WARN
[  431.282110][   T71] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[  431.282112][   T71] Workqueue: netns cleanup_net
[  431.282118][   T71] Call Trace:
[  431.282119][   T71]  <TASK>
[  431.282121][   T71]  dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120)
[  431.282127][   T71]  ? vprintk_emit (kernel/printk/printk.c:2471)
[  431.282128][   T71]  __might_resched.cold (kernel/sched/core.c:9234)
[  431.282132][   T71]  ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3))
[  431.282136][   T71]  ? prb_next_reserve_seq (kernel/printk/printk_ringbuffer.c:2128)
[  431.282138][   T71]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  431.282140][   T71]  __kmalloc_noprof (./include/linux/sched/mm.h:322 (discriminator 2) mm/slub.c:4636 (discriminator 2) mm/slub.c:4974 (discriminator 2) mm/slub.c:5413 (discriminator 2) mm/slub.c:5439 (discriminator 2))
[  431.282143][   T71]  ? __rwlock_init (kernel/locking/spinlock_debug.c:48)
[  431.282146][   T71]  ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[  431.282151][   T71]  ? do_raw_spin_unlock (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:32 ./include/asm-generic/qspinlock.h:58 kernel/locking/spinlock_debug.c:101 kernel/locking/spinlock_debug.c:141)
[  431.282153][   T71]  alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[  431.282155][   T71]  put_chars (drivers/char/virtio_console.c:1176)
[  431.282157][   T71]  ? prb_final_commit (kernel/printk/printk_ringbuffer.c:1842)
[  431.282159][   T71]  ? __send_to_port (drivers/char/virtio_console.c:654)
[  431.282160][   T71]  ? printk_get_next_message (kernel/printk/printk.c:3072)
[  431.282163][   T71]  hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2))
[  431.282168][   T71]  ? hvc_write (drivers/tty/hvc/hvc_console.c:501)
[  431.282170][   T71]  ? 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)
[  431.282172][   T71]  ? vsnprintf (lib/vsprintf.c:2953 (discriminator 1))
[  431.282175][   T71]  ? __rwlock_init (kernel/locking/spinlock_debug.c:48)
[  431.282176][   T71]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  431.282178][   T71]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  431.282181][   T71]  console_emit_next_record (kernel/printk/printk.c:3183)
[  431.282183][   T71]  ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20)
[  431.282186][   T71]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  431.282187][   T71]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  431.282188][   T71]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  431.282189][   T71]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  431.282191][   T71]  ? console_flush_one_record (kernel/printk/printk.c:3247)
[  431.282193][   T71]  console_flush_one_record (kernel/printk/printk.c:3268)
[  431.282195][   T71]  ? console_emit_next_record (kernel/printk/printk.c:3150)
[  431.282198][   T71]  console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420)
[  431.282200][   T71]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  431.282202][   T71]  ? console_flush_one_record (kernel/printk/printk.c:3316)
[  431.282204][   T71]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  431.282205][   T71]  ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22))
[  431.282206][   T71]  ? 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)
[  431.282208][   T71]  ? __rcu_read_lock (kernel/rcu/tree_plugin.h:391 (discriminator 6))
[  431.282210][   T71]  ? __down_trylock_console_sem (kernel/printk/printk.c:334)
[  431.282212][   T71]  ? vprintk_emit (kernel/printk/printk.c:2478)
[  431.282213][   T71]  vprintk_emit (kernel/printk/printk.c:2479)
[  431.282215][   T71]  ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126))
[  431.282217][   T71]  ? net_disable_timestamp (./include/linux/workqueue.h:761)
[  431.282219][   T71]  ? net_generic (./include/linux/rcupdate.h:882 ./include/net/netns/generic.h:48) vxlan
[  431.282226][   T71]  _printk (kernel/printk/printk.c:2504)
[  431.282229][   T71]  ? snapshot_read.cold (user.c:?)
[  431.282231][   T71]  ? netdev_name (./include/linux/netdevice.h:5709 (discriminator 1))
[  431.282235][   T71]  ? __netdev_printk (net/core/dev.c:13148 (discriminator 2))
[  431.282237][   T71]  netdev_info (net/core/dev.c:13195 (discriminator 3))
[  431.282239][   T71]  ? netdev_notice (net/core/dev.c:13194)
[  431.282241][   T71]  ? __netdev_upper_dev_unlink (net/core/dev.c:9094)
[  431.282244][   T71]  ? synchronize_rcu_expedited (kernel/rcu/tree_exp.h:985)
[  431.282247][   T71]  ? 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)
[  431.282249][   T71]  __dev_set_promiscuity.cold (net/core/dev.c:9672 (discriminator 3))
[  431.282251][   T71]  netif_set_promiscuity (net/core/dev.c:9699)
[  431.282254][   T71]  dev_set_promiscuity (net/core/dev_api.c:288)
[  431.282255][   T71]  ? rtnl_is_locked (net/core/rtnetlink.c:169)
[  431.282259][   T71] ovs_netdev_detach_dev (net/openvswitch/vport-netdev.c:174) openvswitch
[  431.282265][   T71] dp_device_event (net/openvswitch/dp_notify.c:74) openvswitch
[  431.282269][   T71]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  431.282271][   T71]  notifier_call_chain (kernel/notifier.c:85)
[  431.282274][   T71]  unregister_netdevice_many_notify (net/core/dev.c:2313 net/core/dev.c:2327 net/core/dev.c:12518)
[  431.282277][   T71]  ? unregister_netdevice_queued (./include/linux/list.h:419 (discriminator 3))
[  431.282279][   T71]  ? get_rps_cpu (net/core/dev.c:5240)
[  431.282281][   T71]  default_device_exit_batch (net/core/dev.c:12589 net/core/dev.c:13288)
[  431.282283][   T71]  ? __mutex_unlock_slowpath (./include/linux/preempt.h:500 (discriminator 1) kernel/locking/mutex.c:999 (discriminator 1))
[  431.282284][   T71]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  431.282286][   T71]  ? unregister_netdevice_queue (./include/linux/list.h:173)
[  431.282287][   T71]  ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3))
[  431.282289][   T71]  ? fou_exit_net (net/ipv4/fou_core.c:1228)
[  431.282292][   T71]  ops_undo_list (net/core/net_namespace.c:206 net/core/net_namespace.c:253)
[  431.282295][   T71]  ? netns_install (./include/linux/ns_common.h:26)
[  431.282297][   T71]  ? idr_destroy (lib/radix-tree.c:310 lib/radix-tree.c:674 lib/radix-tree.c:1563)
[  431.282299][   T71]  cleanup_net (net/core/net_namespace.c:706)
[  431.282301][   T71]  ? net_passive_dec (./include/linux/llist.h:241)
[  431.282303][   T71]  ? update_load_avg (kernel/sched/fair.c:5864)
[  431.282306][   T71]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  431.282307][   T71]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  431.282309][   T71]  process_one_work (kernel/workqueue.c:3387)
[  431.282313][   T71]  ? __queue_delayed_work (kernel/workqueue.c:2622)
[  431.282316][   T71]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[  431.282318][   T71]  ? __rwlock_init (kernel/locking/spinlock_debug.c:48)
[  431.282320][   T71]  worker_thread (kernel/workqueue.c:3470 kernel/workqueue.c:3551)
[  431.282323][   T71]  ? rescuer_thread (./include/linux/list.h:419 (discriminator 3))
[  431.282325][   T71]  ? __kthread_parkme (./include/linux/instrumented.h:82 ./include/asm-generic/bitops/instrumented-non-atomic.h:141 kernel/kthread.c:272)
[  431.282327][   T71]  ? rescuer_thread (./include/linux/list.h:419 (discriminator 3))
[  431.282329][   T71]  ? rescuer_thread (./include/linux/list.h:419 (discriminator 3))
[  431.282330][   T71]  kthread (kernel/kthread.c:436)
[  431.282332][   T71]  ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22))
[  431.282335][   T71]  ? kthread_affine_preferred (kernel/kthread.c:857)
[  431.282337][   T71]  ret_from_fork (arch/x86/kernel/process.c:158)
[  431.282340][   T71]  ? arch_exit_to_user_mode_prepare.isra.0 (arch/x86/entry/vdso/vma.c:80 (discriminator 1))
[  431.282342][   T71]  ? __switch_to (arch/x86/kernel/process_64.c:403 arch/x86/kernel/process_64.c:663)
[  431.282345][   T71]  ? kthread_affine_preferred (kernel/kthread.c:857)
[  431.282347][   T71]  ret_from_fork_asm (arch/x86/entry/entry_64.S:245)
| [  432.603129][T11851] softirqs last disabled at (0): 0x0
| [  432.603131][T11851] Preemption disabled at:
| [  432.603132][T11851] vprintk_emit (kernel/printk/printk.c:2471)
| [  432.603143][T11851] Tainted: [W]=WARN
[  432.603144][T11851] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[  432.603146][T11851] Call Trace:
[  432.603147][T11851]  <TASK>
[  432.603149][T11851]  dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120)
[  432.603154][T11851]  ? vprintk_emit (kernel/printk/printk.c:2471)
[  432.603156][T11851]  __might_resched.cold (kernel/sched/core.c:9234)
[  432.603160][T11851]  ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3))
[  432.603163][T11851]  ? __asan_memcpy (mm/kasan/shadow.c:106 (discriminator 1))
[  432.603167][T11851]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  432.603169][T11851]  __kmalloc_noprof (./include/linux/sched/mm.h:322 (discriminator 2) mm/slub.c:4636 (discriminator 2) mm/slub.c:4974 (discriminator 2) mm/slub.c:5413 (discriminator 2) mm/slub.c:5439 (discriminator 2))
[  432.603172][T11851]  ? __rwlock_init (kernel/locking/spinlock_debug.c:48)
[  432.603175][T11851]  ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[  432.603180][T11851]  ? do_raw_spin_unlock (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:32 ./include/asm-generic/qspinlock.h:58 kernel/locking/spinlock_debug.c:101 kernel/locking/spinlock_debug.c:141)
[  432.603182][T11851]  alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[  432.603184][T11851]  put_chars (drivers/char/virtio_console.c:1176)
[  432.603186][T11851]  ? __send_to_port (drivers/char/virtio_console.c:654)
[  432.603188][T11851]  ? console_prepend_replay (kernel/printk/printk.c:3005)
[  432.603191][T11851]  hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2))
[  432.603196][T11851]  ? hvc_write (drivers/tty/hvc/hvc_console.c:501)
[  432.603198][T11851]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  432.603199][T11851]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  432.603202][T11851]  console_emit_next_record (kernel/printk/printk.c:3183)
[  432.603205][T11851]  ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20)
[  432.603207][T11851]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  432.603208][T11851]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  432.603210][T11851]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  432.603211][T11851]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  432.603213][T11851]  ? console_flush_one_record (kernel/printk/printk.c:3247)
[  432.603215][T11851]  console_flush_one_record (kernel/printk/printk.c:3268)
[  432.603217][T11851]  ? console_emit_next_record (kernel/printk/printk.c:3150)
[  432.603220][T11851]  console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420)
[  432.603222][T11851]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  432.603224][T11851]  ? console_flush_one_record (kernel/printk/printk.c:3316)
[  432.603226][T11851]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  432.603227][T11851]  ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22))
[  432.603228][T11851]  ? 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)
[  432.603230][T11851]  ? __rcu_read_lock (kernel/rcu/tree_plugin.h:391 (discriminator 6))
[  432.603232][T11851]  ? __down_trylock_console_sem (kernel/printk/printk.c:334)
[  432.603234][T11851]  ? vprintk_emit (kernel/printk/printk.c:2478)
[  432.603235][T11851]  vprintk_emit (kernel/printk/printk.c:2479)
[  432.603237][T11851]  ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126))
[  432.603239][T11851]  ? net_disable_timestamp (./include/linux/workqueue.h:761)
[  432.603242][T11851]  ? net_generic (./include/linux/rcupdate.h:882 ./include/net/netns/generic.h:48) vxlan
[  432.603249][T11851]  _printk (kernel/printk/printk.c:2504)
[  432.603252][T11851]  ? snapshot_read.cold (user.c:?)
[  432.603254][T11851]  ? netdev_name (./include/linux/netdevice.h:5709 (discriminator 1))
[  432.603257][T11851]  ? __netdev_printk (net/core/dev.c:13148 (discriminator 2))
[  432.603260][T11851]  netdev_info (net/core/dev.c:13195 (discriminator 3))
[  432.603262][T11851]  ? netdev_notice (net/core/dev.c:13194)
[  432.603264][T11851]  ? __netdev_upper_dev_unlink (net/core/dev.c:9094)
[  432.603267][T11851]  ? synchronize_rcu_expedited (kernel/rcu/tree_exp.h:985)
[  432.603270][T11851]  ? 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)
[  432.603272][T11851]  __dev_set_promiscuity.cold (net/core/dev.c:9672 (discriminator 3))
[  432.603274][T11851]  netif_set_promiscuity (net/core/dev.c:9699)
[  432.603277][T11851]  dev_set_promiscuity (net/core/dev_api.c:288)
[  432.603279][T11851]  ? rtnl_is_locked (net/core/rtnetlink.c:169)
[  432.603282][T11851] ovs_netdev_detach_dev (net/openvswitch/vport-netdev.c:174) openvswitch
[  432.603288][T11851]  ? netdev_destroy (net/openvswitch/vport-netdev.c:189) openvswitch
[  432.603291][T11851] netdev_destroy (net/openvswitch/vport-netdev.c:194) openvswitch
[  432.603296][T11851] ovs_vport_cmd_del (net/openvswitch/datapath.c:2505) openvswitch
[  432.603301][T11851]  genl_family_rcv_msg_doit (net/netlink/genetlink.c:1114)
[  432.603305][T11851]  ? genl_family_rcv_msg_attrs_parse.isra.0 (./include/net/netlink.h:785 (discriminator 2))
[  432.603309][T11851]  ? security_capable (security/security.c:660 (discriminator 11))
[  432.603312][T11851]  genl_family_rcv_msg (net/netlink/genetlink.c:1194)
[  432.603315][T11851]  ? genl_family_rcv_msg_dumpit (net/netlink/genetlink.c:1079)
[  432.603317][T11851]  ? ovs_dp_detach_port (./include/linux/list.h:1047 (discriminator 2)) openvswitch
[  432.603321][T11851]  ? filter_irq_stacks (kernel/stacktrace.c:402)
[  432.603324][T11851]  ? stack_depot_save_flags (lib/stackdepot.c:609 lib/stackdepot.c:676)
[  432.603328][T11851]  genl_rcv_msg (net/netlink/genetlink.c:1209)
[  432.603330][T11851]  netlink_rcv_skb (net/netlink/af_netlink.c:2556)
[  432.603332][T11851]  ? genl_family_rcv_msg (net/netlink/genetlink.c:1136 (discriminator 2))
[  432.603334][T11851]  ? netlink_ack (./include/linux/skbuff.h:2718)
[  432.603337][T11851]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  432.603339][T11851]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  432.603341][T11851]  ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22))
[  432.603343][T11851]  genl_rcv (net/netlink/genetlink.c:1218)
[  432.603345][T11851]  netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[  432.603347][T11851]  ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[  432.603349][T11851]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  432.603351][T11851]  netlink_sendmsg (net/netlink/af_netlink.c:1900)
[  432.603353][T11851]  ? netlink_unicast (./include/net/net_namespace.h:422 (discriminator 7))
[  432.603355][T11851]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  432.603357][T11851]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  432.603359][T11851]  __sock_sendmsg (net/socket.c:800 (discriminator 4) net/socket.c:815 (discriminator 4))
[  432.603362][T11851]  ? fdget (fs/file.c:1200 fs/file.c:1208)
[  432.603365][T11851]  __sys_sendto (net/socket.c:2281)
[  432.603367][T11851]  ? __ia32_sys_getpeername (net/socket.c:2235)
[  432.603371][T11851]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  432.603372][T11851]  ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22))
[  432.603375][T11851]  __x64_sys_sendto (net/socket.c:2288 net/socket.c:2284 net/socket.c:2284)
[  432.603376][T11851]  ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22))
[  432.603380][T11851]  ? trace_hardirqs_off_finish (./include/trace/events/preemptirq.h:36 (discriminator 22) kernel/trace/trace_preemptirq.c:95 (discriminator 22) kernel/trace/trace_preemptirq.c:90 (discriminator 22))
[  432.603381][T11851]  ? trace_hardirqs_on (kernel/trace/trace_preemptirq.c:78)
[  432.603383][T11851]  do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84)
[  432.603387][T11851]  ? exc_page_fault (arch/x86/mm/fault.c:1489 (discriminator 3) arch/x86/mm/fault.c:1536 (discriminator 3))
[  432.603389][T11851]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[  432.603391][T11851] RIP: 0033:0x7fb6ffd1d312
[  432.603393][T11851] 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)
[  432.603395][T11851] RSP: 002b:00007ffeab0245b8 EFLAGS: 00000246 ORIG_RAX: 000000000000002c
[  432.603399][T11851] RAX: ffffffffffffffda RBX: 00007ffeab0246e8 RCX: 00007fb6ffd1d312
[  432.603400][T11851] RDX: 0000000000000028 RSI: 00007fb6fc1753e0 RDI: 0000000000000023
[  432.603401][T11851] RBP: 00007ffeab0245e0 R08: 00007ffeab024760 R09: 000000000000000c
[  432.603402][T11851] R10: 0000000000000000 R11: 0000000000000246 R12: 00007fb6fdb79fd0
[  432.603403][T11851] R13: 00007ffeab0246e8 R14: 00007fb6ff63c01a R15: 00007ffeab024ad8
| [  435.177259][T11959] softirqs last disabled at (0): 0x0
| [  435.177261][T11959] Preemption disabled at:
| [  435.177262][T11959] vprintk_emit (kernel/printk/printk.c:2471)
| [  435.177273][T11959] Tainted: [W]=WARN
[  435.177274][T11959] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[  435.177276][T11959] Call Trace:
[  435.177277][T11959]  <TASK>
[  435.177278][T11959]  dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120)
[  435.177284][T11959]  ? vprintk_emit (kernel/printk/printk.c:2471)
[  435.177286][T11959]  __might_resched.cold (kernel/sched/core.c:9234)
[  435.177289][T11959]  ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3))
[  435.177293][T11959]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  435.177296][T11959]  __kmalloc_noprof (./include/linux/sched/mm.h:322 (discriminator 2) mm/slub.c:4636 (discriminator 2) mm/slub.c:4974 (discriminator 2) mm/slub.c:5413 (discriminator 2) mm/slub.c:5439 (discriminator 2))
[  435.177299][T11959]  ? __rwlock_init (kernel/locking/spinlock_debug.c:48)
[  435.177302][T11959]  ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[  435.177307][T11959]  ? do_raw_spin_unlock (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:32 ./include/asm-generic/qspinlock.h:58 kernel/locking/spinlock_debug.c:101 kernel/locking/spinlock_debug.c:141)
[  435.177309][T11959]  alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[  435.177312][T11959]  put_chars (drivers/char/virtio_console.c:1176)
[  435.177313][T11959]  ? __send_to_port (drivers/char/virtio_console.c:654)
[  435.177315][T11959]  ? printk_get_next_message (kernel/printk/printk.c:3072)
[  435.177318][T11959]  hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2))
[  435.177323][T11959]  ? hvc_write (drivers/tty/hvc/hvc_console.c:501)
[  435.177325][T11959]  ? __rwlock_init (kernel/locking/spinlock_debug.c:48)
[  435.177327][T11959]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  435.177328][T11959]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  435.177331][T11959]  console_emit_next_record (kernel/printk/printk.c:3183)
[  435.177334][T11959]  ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20)
[  435.177336][T11959]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  435.177337][T11959]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  435.177338][T11959]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  435.177339][T11959]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  435.177341][T11959]  ? console_flush_one_record (kernel/printk/printk.c:3247)
[  435.177343][T11959]  console_flush_one_record (kernel/printk/printk.c:3268)
[  435.177346][T11959]  ? console_emit_next_record (kernel/printk/printk.c:3150)
[  435.177349][T11959]  console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420)
[  435.177350][T11959]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  435.177352][T11959]  ? console_flush_one_record (kernel/printk/printk.c:3316)
[  435.177354][T11959]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  435.177355][T11959]  ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22))
[  435.177357][T11959]  ? lock_acquire (./include/linux/srcutree.h:374 ./include/linux/srcu.h:541 ./include/linux/srcu.h:645 ./include/trace/events/lock.h:23 ./include/trace/events/lock.h:23 kernel/locking/lockdep.c:5871)
[  435.177358][T11959]  ? __rcu_read_lock (kernel/rcu/tree_plugin.h:391 (discriminator 6))
[  435.177360][T11959]  ? __down_trylock_console_sem (kernel/printk/printk.c:334)
[  435.177362][T11959]  ? vprintk_emit (kernel/printk/printk.c:2478)
[  435.177363][T11959]  vprintk_emit (kernel/printk/printk.c:2479)
[  435.177365][T11959]  ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126))
[  435.177366][T11959]  ? do_raw_spin_trylock (./include/linux/instrumented.h:55 ./include/linux/atomic/atomic-instrumented.h:1301 ./include/asm-generic/qspinlock.h:98 kernel/locking/spinlock_debug.c:123)
[  435.177368][T11959]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  435.177369][T11959]  ? genl_family_rcv_msg (net/netlink/genetlink.c:1194)
[  435.177373][T11959]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  435.177375][T11959]  _printk (kernel/printk/printk.c:2504)
[  435.177379][T11959]  ? snapshot_read.cold (user.c:?)
[  435.177380][T11959]  ? ___ratelimit (lib/ratelimit.c:97 (discriminator 3))
[  435.177384][T11959]  ? idr_get_free (??:?)
[  435.177386][T11959]  ? trace_irq_enable.constprop.0 (./include/linux/instrumented.h:82 ./include/asm-generic/bitops/instrumented-non-atomic.h:141 ./include/linux/cpumask.h:650 ./include/linux/cpumask.h:1232 ./include/trace/events/preemptirq.h:40)
[  435.177390][T11959]  validate_nla.cold (lib/nlattr.c:414 (discriminator 4))
[  435.177398][T11959]  ? nla_get_range_signed (lib/nlattr.c:270)
[  435.177402][T11959]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  435.177403][T11959]  ? trace_kmalloc (./include/trace/events/kmem.h:57 (discriminator 22))
[  435.177406][T11959]  __nla_validate_parse (lib/nlattr.c:635)
[  435.177409][T11959]  __nla_parse (lib/nlattr.c:732)
[  435.177412][T11959]  genl_family_rcv_msg_attrs_parse.isra.0 (./include/net/netlink.h:789 (discriminator 2) net/netlink/genetlink.c:944 (discriminator 2))
[  435.177414][T11959]  ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22))
[  435.177416][T11959]  genl_family_rcv_msg_doit (net/netlink/genetlink.c:1092)
[  435.177418][T11959]  ? genl_family_rcv_msg_attrs_parse.isra.0 (./include/net/netlink.h:785 (discriminator 2))
[  435.177422][T11959]  ? security_capable (security/security.c:660 (discriminator 11))
[  435.177425][T11959]  genl_family_rcv_msg (net/netlink/genetlink.c:1194)
[  435.177427][T11959]  ? genl_family_rcv_msg_dumpit (net/netlink/genetlink.c:1079)
[  435.177430][T11959]  ? ovs_dp_cmd_get (./include/net/net_namespace.h:422 (discriminator 7)) openvswitch
[  435.177438][T11959]  ? filter_irq_stacks (kernel/stacktrace.c:402)
[  435.177441][T11959]  ? stack_depot_save_flags (lib/stackdepot.c:609 lib/stackdepot.c:676)
[  435.177443][T11959]  genl_rcv_msg (net/netlink/genetlink.c:1209)
[  435.177446][T11959]  netlink_rcv_skb (net/netlink/af_netlink.c:2556)
[  435.177448][T11959]  ? genl_family_rcv_msg (net/netlink/genetlink.c:1136 (discriminator 2))
[  435.177450][T11959]  ? netlink_ack (./include/linux/skbuff.h:2718)
[  435.177453][T11959]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  435.177454][T11959]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  435.177456][T11959]  ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22))
[  435.177458][T11959]  genl_rcv (net/netlink/genetlink.c:1218)
[  435.177460][T11959]  netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[  435.177462][T11959]  ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[  435.177465][T11959]  netlink_sendmsg (net/netlink/af_netlink.c:1900)
[  435.177467][T11959]  ? netlink_unicast (./include/net/net_namespace.h:422 (discriminator 7))
[  435.177469][T11959]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  435.177471][T11959]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  435.177473][T11959]  __sock_sendmsg (net/socket.c:800 (discriminator 4) net/socket.c:815 (discriminator 4))
[  435.177476][T11959]  ? fdget (fs/file.c:1200 fs/file.c:1208)
[  435.177479][T11959]  __sys_sendto (net/socket.c:2281)
[  435.177481][T11959]  ? __ia32_sys_getpeername (net/socket.c:2235)
[  435.177485][T11959]  ? fput_close_sync (fs/file_table.c:617)
[  435.177488][T11959]  ? alloc_file_clone (fs/file_table.c:479)
[  435.177491][T11959]  __x64_sys_sendto (net/socket.c:2288 net/socket.c:2284 net/socket.c:2284)
[  435.177493][T11959]  ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22))
[  435.177494][T11959]  ? trace_hardirqs_off_finish (./include/trace/events/preemptirq.h:36 (discriminator 22) kernel/trace/trace_preemptirq.c:95 (discriminator 22) kernel/trace/trace_preemptirq.c:90 (discriminator 22))
[  435.177496][T11959]  ? trace_hardirqs_on (kernel/trace/trace_preemptirq.c:78)
[  435.177497][T11959]  do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84)
[  435.177500][T11959]  ? exc_page_fault (arch/x86/mm/fault.c:1489 (discriminator 3) arch/x86/mm/fault.c:1536 (discriminator 3))
[  435.177502][T11959]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[  435.177504][T11959] RIP: 0033:0x7fbab43b8312
[  435.177507][T11959] 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)
[  435.177509][T11959] RSP: 002b:00007ffcecb87708 EFLAGS: 00000246 ORIG_RAX: 000000000000002c
[  435.177513][T11959] RAX: ffffffffffffffda RBX: 00007ffcecb87838 RCX: 00007fbab43b8312
[  435.177514][T11959] RDX: 0000000000000044 RSI: 00007fbaa3f6f000 RDI: 0000000000000020
[  435.177515][T11959] RBP: 00007ffcecb87730 R08: 00007ffcecb878b0 R09: 000000000000000c
[  435.177516][T11959] R10: 0000000000000000 R11: 0000000000000246 R12: 00007fbab22260b0
[  435.177517][T11959] R13: 00007ffcecb87838 R14: 00007fbab3cd701a R15: 00007ffcecb87c28
| [  436.733221][T12016] softirqs last disabled at (0): 0x0
| [  436.733223][T12016] Preemption disabled at:
| [  436.733224][T12016] vprintk_emit (kernel/printk/printk.c:2471)
| [  436.733235][T12016] Tainted: [W]=WARN
[  436.733236][T12016] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[  436.733238][T12016] Call Trace:
[  436.733240][T12016]  <TASK>
[  436.733242][T12016]  dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120)
[  436.733248][T12016]  ? vprintk_emit (kernel/printk/printk.c:2471)
[  436.733250][T12016]  __might_resched.cold (kernel/sched/core.c:9234)
[  436.733254][T12016]  ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3))
[  436.733258][T12016]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  436.733262][T12016]  __kmalloc_noprof (./include/linux/sched/mm.h:322 (discriminator 2) mm/slub.c:4636 (discriminator 2) mm/slub.c:4974 (discriminator 2) mm/slub.c:5413 (discriminator 2) mm/slub.c:5439 (discriminator 2))
[  436.733265][T12016]  ? __rwlock_init (kernel/locking/spinlock_debug.c:48)
[  436.733269][T12016]  ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[  436.733274][T12016]  ? do_raw_spin_unlock (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:32 ./include/asm-generic/qspinlock.h:58 kernel/locking/spinlock_debug.c:101 kernel/locking/spinlock_debug.c:141)
[  436.733277][T12016]  alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[  436.733280][T12016]  put_chars (drivers/char/virtio_console.c:1176)
[  436.733282][T12016]  ? __send_to_port (drivers/char/virtio_console.c:654)
[  436.733284][T12016]  ? printk_get_next_message (kernel/printk/printk.c:3072)
[  436.733288][T12016]  ? console_prepend_replay (kernel/printk/printk.c:3005)
[  436.733291][T12016]  hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2))
[  436.733297][T12016]  ? hvc_write (drivers/tty/hvc/hvc_console.c:501)
[  436.733299][T12016]  ? __rwlock_init (kernel/locking/spinlock_debug.c:48)
[  436.733302][T12016]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  436.733304][T12016]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  436.733305][T12016]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  436.733308][T12016]  console_emit_next_record (kernel/printk/printk.c:3183)
[  436.733312][T12016]  ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20)
[  436.733314][T12016]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  436.733316][T12016]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  436.733317][T12016]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  436.733319][T12016]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  436.733321][T12016]  ? console_flush_one_record (kernel/printk/printk.c:3247)
[  436.733324][T12016]  console_flush_one_record (kernel/printk/printk.c:3268)
[  436.733327][T12016]  ? console_emit_next_record (kernel/printk/printk.c:3150)
[  436.733331][T12016]  console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420)
[  436.733333][T12016]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  436.733336][T12016]  ? console_flush_one_record (kernel/printk/printk.c:3316)
[  436.733338][T12016]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  436.733339][T12016]  ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22))
[  436.733341][T12016]  ? 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)
[  436.733343][T12016]  ? __rcu_read_lock (kernel/rcu/tree_plugin.h:391 (discriminator 6))
[  436.733345][T12016]  ? __down_trylock_console_sem (kernel/printk/printk.c:334)
[  436.733348][T12016]  ? vprintk_emit (kernel/printk/printk.c:2478)
[  436.733350][T12016]  vprintk_emit (kernel/printk/printk.c:2479)
[  436.733352][T12016]  ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126))
[  436.733354][T12016]  _printk (kernel/printk/printk.c:2504)
[  436.733357][T12016]  ? snapshot_read.cold (user.c:?)
[  436.733360][T12016]  ? rcu_read_lock_held (kernel/rcu/update.c:105 kernel/rcu/update.c:349)
[  436.733362][T12016]  ? netdev_upper_get_next_dev_rcu (net/core/dev.c:8213 (discriminator 1))
[  436.733366][T12016]  ? 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)
[  436.733368][T12016]  ? __netdev_update_features (net/core/dev.c:11078 (discriminator 2))
[  436.733370][T12016]  ? netdev_name (./include/linux/netdevice.h:5709 (discriminator 1))
[  436.733373][T12016]  ? __netdev_printk (net/core/dev.c:13148 (discriminator 2))
[  436.733376][T12016]  netdev_info (net/core/dev.c:13195 (discriminator 3))
[  436.733378][T12016]  ? netdev_notice (net/core/dev.c:13194)
[  436.733380][T12016]  ? ovs_netdev_link (net/openvswitch/vport-netdev.c:85) openvswitch
[  436.733389][T12016]  ? 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)
[  436.733391][T12016]  __dev_set_promiscuity.cold (net/core/dev.c:9672 (discriminator 3))
[  436.733393][T12016]  netif_set_promiscuity (net/core/dev.c:9699)
[  436.733396][T12016]  dev_set_promiscuity (net/core/dev_api.c:288)
[  436.733398][T12016]  ? dev_disable_lro (net/core/dev_api.c:267)
[  436.733399][T12016] ovs_netdev_link (net/openvswitch/vport-netdev.c:106) openvswitch
[  436.733404][T12016] ovs_vport_add (net/openvswitch/vport.c:209) openvswitch
[  436.733408][T12016]  ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22))
[  436.733411][T12016] new_vport (net/openvswitch/datapath.c:203) openvswitch
[  436.733416][T12016]  ? ovs_lookup_vport (net/openvswitch/datapath.c:190) openvswitch
[  436.733420][T12016] ovs_vport_cmd_new (net/openvswitch/datapath.c:2389) openvswitch
[  436.733425][T12016]  ? ovs_vport_cmd_fill_info.isra.0 (./include/net/netlink.h:1107 (discriminator 1)) openvswitch
[  436.733429][T12016]  ? __nla_validate_parse (lib/nlattr.c:635)
[  436.733434][T12016]  ? __nla_parse (lib/nlattr.c:732)
[  436.733436][T12016]  ? genl_family_rcv_msg_attrs_parse.isra.0 (./include/net/netlink.h:789 (discriminator 2) net/netlink/genetlink.c:944 (discriminator 2))
[  436.733441][T12016]  genl_family_rcv_msg_doit (net/netlink/genetlink.c:1114)
[  436.733443][T12016]  ? genl_family_rcv_msg_attrs_parse.isra.0 (./include/net/netlink.h:785 (discriminator 2))
[  436.733447][T12016]  ? security_capable (security/security.c:660 (discriminator 11))
[  436.733450][T12016]  genl_family_rcv_msg (net/netlink/genetlink.c:1194)
[  436.733453][T12016]  ? genl_family_rcv_msg_dumpit (net/netlink/genetlink.c:1079)
[  436.733455][T12016]  ? ovs_vport_cmd_fill_info.isra.0 (./include/net/netlink.h:1107 (discriminator 1)) openvswitch
[  436.733459][T12016]  ? filter_irq_stacks (kernel/stacktrace.c:402)
[  436.733462][T12016]  ? stack_depot_save_flags (lib/stackdepot.c:609 lib/stackdepot.c:676)
[  436.733464][T12016]  genl_rcv_msg (net/netlink/genetlink.c:1209)
[  436.733467][T12016]  netlink_rcv_skb (net/netlink/af_netlink.c:2556)
[  436.733469][T12016]  ? genl_family_rcv_msg (net/netlink/genetlink.c:1136 (discriminator 2))
[  436.733471][T12016]  ? netlink_ack (./include/linux/skbuff.h:2718)
[  436.733475][T12016]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  436.733477][T12016]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  436.733478][T12016]  ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22))
[  436.733480][T12016]  genl_rcv (net/netlink/genetlink.c:1218)
[  436.733483][T12016]  netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[  436.733485][T12016]  ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[  436.733487][T12016]  ? trace_hardirqs_on (kernel/trace/trace_preemptirq.c:78)
[  436.733491][T12016]  ? __wake_up (./include/linux/spinlock.h:425 (discriminator 3) kernel/sched/wait.c:128 (discriminator 3) kernel/sched/wait.c:147 (discriminator 3))
[  436.733494][T12016]  netlink_sendmsg (net/netlink/af_netlink.c:1900)
[  436.733496][T12016]  ? netlink_unicast (./include/net/net_namespace.h:422 (discriminator 7))
[  436.733498][T12016]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  436.733500][T12016]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  436.733502][T12016]  __sock_sendmsg (net/socket.c:800 (discriminator 4) net/socket.c:815 (discriminator 4))
[  436.733505][T12016]  ? fdget (fs/file.c:1200 fs/file.c:1208)
[  436.733508][T12016]  __sys_sendto (net/socket.c:2281)
[  436.733510][T12016]  ? __ia32_sys_getpeername (net/socket.c:2235)
[  436.733512][T12016]  ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22))
[  436.733515][T12016]  ? do_futex (kernel/futex/syscalls.c:138)
[  436.733517][T12016]  ? __ia32_sys_get_robust_list (kernel/futex/syscalls.c:94)
[  436.733520][T12016]  ? xfd_validate_state (arch/x86/kernel/fpu/xstate.c:1497 (discriminator 1) arch/x86/kernel/fpu/xstate.c:1543 (discriminator 1))
[  436.733524][T12016]  ? do_futex (kernel/futex/syscalls.c:153 (discriminator 1))
[  436.733526][T12016]  __x64_sys_sendto (net/socket.c:2288 net/socket.c:2284 net/socket.c:2284)
[  436.733528][T12016]  ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22))
[  436.733530][T12016]  ? trace_hardirqs_off_finish (./include/trace/events/preemptirq.h:36 (discriminator 22) kernel/trace/trace_preemptirq.c:95 (discriminator 22) kernel/trace/trace_preemptirq.c:90 (discriminator 22))
[  436.733531][T12016]  ? trace_hardirqs_on (kernel/trace/trace_preemptirq.c:78)
[  436.733533][T12016]  do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84)
[  436.733537][T12016]  ? exc_page_fault (arch/x86/mm/fault.c:1489 (discriminator 3) arch/x86/mm/fault.c:1536 (discriminator 3))
[  436.733539][T12016]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[  436.733541][T12016] RIP: 0033:0x7f1a725f0312
[  436.733543][T12016] 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)
[  436.733545][T12016] RSP: 002b:00007fff162ec2e8 EFLAGS: 00000246 ORIG_RAX: 000000000000002c
[  436.733549][T12016] RAX: ffffffffffffffda RBX: 00007fff162ec418 RCX: 00007f1a725f0312
[  436.733551][T12016] RDX: 0000000000000038 RSI: 00007f1a7034e430 RDI: 0000000000000023
[  436.733552][T12016] RBP: 00007fff162ec310 R08: 00007fff162ec490 R09: 000000000000000c
[  436.733553][T12016] R10: 0000000000000000 R11: 0000000000000246 R12: 00007f1a7045e190
[  436.733554][T12016] R13: 00007fff162ec418 R14: 00007f1a71f0f01a R15: 00007fff162ec808
| [  443.653101][   T71] softirqs last disabled at (8660322): __fib6_clean_all (./include/linux/spinlock.h:353 net/ipv6/ip6_fib.c:2323)
| [  443.653104][   T71] Preemption disabled at:
| [  443.653104][   T71] vprintk_emit (kernel/printk/printk.c:2471)
| [  443.653116][   T71] Tainted: [W]=WARN
[  443.653117][   T71] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[  443.653119][   T71] Workqueue: netns cleanup_net
[  443.653125][   T71] Call Trace:
[  443.653127][   T71]  <TASK>
[  443.653129][   T71]  dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120)
[  443.653135][   T71]  ? vprintk_emit (kernel/printk/printk.c:2471)
[  443.653137][   T71]  __might_resched.cold (kernel/sched/core.c:9234)
[  443.653141][   T71]  ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3))
[  443.653144][   T71]  ? prb_next_reserve_seq (kernel/printk/printk_ringbuffer.c:2128)
[  443.653146][   T71]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  443.653149][   T71]  __kmalloc_noprof (./include/linux/sched/mm.h:322 (discriminator 2) mm/slub.c:4636 (discriminator 2) mm/slub.c:4974 (discriminator 2) mm/slub.c:5413 (discriminator 2) mm/slub.c:5439 (discriminator 2))
[  443.653152][   T71]  ? __rwlock_init (kernel/locking/spinlock_debug.c:48)
[  443.653155][   T71]  ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[  443.653160][   T71]  ? do_raw_spin_unlock (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:32 ./include/asm-generic/qspinlock.h:58 kernel/locking/spinlock_debug.c:101 kernel/locking/spinlock_debug.c:141)
[  443.653162][   T71]  alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[  443.653165][   T71]  put_chars (drivers/char/virtio_console.c:1176)
[  443.653166][   T71]  ? prb_final_commit (kernel/printk/printk_ringbuffer.c:1842)
[  443.653168][   T71]  ? __send_to_port (drivers/char/virtio_console.c:654)
[  443.653170][   T71]  ? printk_get_next_message (kernel/printk/printk.c:3072)
[  443.653173][   T71]  hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2))
[  443.653178][   T71]  ? hvc_write (drivers/tty/hvc/hvc_console.c:501)
[  443.653180][   T71]  ? 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)
[  443.653182][   T71]  ? vsnprintf (lib/vsprintf.c:2953 (discriminator 1))
[  443.653184][   T71]  ? __rwlock_init (kernel/locking/spinlock_debug.c:48)
[  443.653186][   T71]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  443.653188][   T71]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  443.653190][   T71]  console_emit_next_record (kernel/printk/printk.c:3183)
[  443.653193][   T71]  ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20)
[  443.653196][   T71]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  443.653197][   T71]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  443.653198][   T71]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  443.653199][   T71]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  443.653201][   T71]  ? console_flush_one_record (kernel/printk/printk.c:3247)
[  443.653203][   T71]  console_flush_one_record (kernel/printk/printk.c:3268)
[  443.653205][   T71]  ? console_emit_next_record (kernel/printk/printk.c:3150)
[  443.653208][   T71]  console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420)
[  443.653210][   T71]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  443.653212][   T71]  ? console_flush_one_record (kernel/printk/printk.c:3316)
[  443.653214][   T71]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  443.653215][   T71]  ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22))
[  443.653217][   T71]  ? 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)
[  443.653218][   T71]  ? __rcu_read_lock (kernel/rcu/tree_plugin.h:391 (discriminator 6))
[  443.653220][   T71]  ? __down_trylock_console_sem (kernel/printk/printk.c:334)
[  443.653222][   T71]  ? vprintk_emit (kernel/printk/printk.c:2478)
[  443.653223][   T71]  vprintk_emit (kernel/printk/printk.c:2479)
[  443.653225][   T71]  ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126))
[  443.653227][   T71]  ? net_disable_timestamp (./include/linux/workqueue.h:761)
[  443.653229][   T71]  ? net_generic (./include/linux/rcupdate.h:882 ./include/net/netns/generic.h:48) vxlan
[  443.653236][   T71]  _printk (kernel/printk/printk.c:2504)
[  443.653239][   T71]  ? snapshot_read.cold (user.c:?)
[  443.653242][   T71]  ? netdev_name (./include/linux/netdevice.h:5709 (discriminator 1))
[  443.653245][   T71]  ? __netdev_printk (net/core/dev.c:13148 (discriminator 2))
[  443.653247][   T71]  netdev_info (net/core/dev.c:13195 (discriminator 3))
[  443.653250][   T71]  ? netdev_notice (net/core/dev.c:13194)
[  443.653252][   T71]  ? __netdev_upper_dev_unlink (net/core/dev.c:9094)
[  443.653255][   T71]  ? synchronize_rcu_expedited (kernel/rcu/tree_exp.h:985)
[  443.653257][   T71]  ? 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)
[  443.653259][   T71]  __dev_set_promiscuity.cold (net/core/dev.c:9672 (discriminator 3))
[  443.653261][   T71]  netif_set_promiscuity (net/core/dev.c:9699)
[  443.653264][   T71]  dev_set_promiscuity (net/core/dev_api.c:288)
[  443.653266][   T71]  ? rtnl_is_locked (net/core/rtnetlink.c:169)
[  443.653269][   T71] ovs_netdev_detach_dev (net/openvswitch/vport-netdev.c:174) openvswitch
[  443.653275][   T71] dp_device_event (net/openvswitch/dp_notify.c:74) openvswitch
[  443.653280][   T71]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  443.653282][   T71]  notifier_call_chain (kernel/notifier.c:85)
[  443.653285][   T71]  unregister_netdevice_many_notify (net/core/dev.c:2313 net/core/dev.c:2327 net/core/dev.c:12518)
[  443.653287][   T71]  ? unregister_netdevice_queued (./include/linux/list.h:419 (discriminator 3))
[  443.653289][   T71]  ? get_rps_cpu (net/core/dev.c:5240)
[  443.653292][   T71]  default_device_exit_batch (net/core/dev.c:12589 net/core/dev.c:13288)
[  443.653293][   T71]  ? __mutex_unlock_slowpath (./include/linux/preempt.h:500 (discriminator 1) kernel/locking/mutex.c:999 (discriminator 1))
[  443.653295][   T71]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  443.653297][   T71]  ? unregister_netdevice_queue (./include/linux/list.h:173)
[  443.653298][   T71]  ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3))
[  443.653300][   T71]  ? fou_exit_net (net/ipv4/fou_core.c:1228)
[  443.653303][   T71]  ops_undo_list (net/core/net_namespace.c:206 net/core/net_namespace.c:253)
[  443.653306][   T71]  ? netns_install (./include/linux/ns_common.h:26)
[  443.653308][   T71]  ? idr_destroy (lib/radix-tree.c:310 lib/radix-tree.c:674 lib/radix-tree.c:1563)
[  443.653311][   T71]  cleanup_net (net/core/net_namespace.c:706)
[  443.653313][   T71]  ? net_passive_dec (./include/linux/llist.h:241)
[  443.653315][   T71]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  443.653317][   T71]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  443.653318][   T71]  process_one_work (kernel/workqueue.c:3387)
[  443.653323][   T71]  ? __queue_delayed_work (kernel/workqueue.c:2622)
[  443.653325][   T71]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[  443.653327][   T71]  ? __rwlock_init (kernel/locking/spinlock_debug.c:48)
[  443.653330][   T71]  worker_thread (kernel/workqueue.c:3470 kernel/workqueue.c:3551)
[  443.653333][   T71]  ? rescuer_thread (./include/linux/list.h:419 (discriminator 3))
[  443.653335][   T71]  ? __kthread_parkme (./include/linux/instrumented.h:82 ./include/asm-generic/bitops/instrumented-non-atomic.h:141 kernel/kthread.c:272)
[  443.653337][   T71]  ? rescuer_thread (./include/linux/list.h:419 (discriminator 3))
[  443.653339][   T71]  ? rescuer_thread (./include/linux/list.h:419 (discriminator 3))
[  443.653341][   T71]  kthread (kernel/kthread.c:436)
[  443.653343][   T71]  ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22))
[  443.653346][   T71]  ? kthread_affine_preferred (kernel/kthread.c:857)
[  443.653348][   T71]  ret_from_fork (arch/x86/kernel/process.c:158)
[  443.653351][   T71]  ? arch_exit_to_user_mode_prepare.isra.0 (arch/x86/entry/vdso/vma.c:80 (discriminator 1))
[  443.653353][   T71]  ? __switch_to (arch/x86/kernel/process_64.c:403 arch/x86/kernel/process_64.c:663)
[  443.653357][   T71]  ? kthread_affine_preferred (kernel/kthread.c:857)
[  443.653359][   T71]  ret_from_fork_asm (arch/x86/entry/entry_64.S:245)
| [  444.945945][T12230] softirqs last disabled at (0): 0x0
| [  444.945947][T12230] Preemption disabled at:
| [  444.945948][T12230] vprintk_emit (kernel/printk/printk.c:2471)
| [  444.945959][T12230] Tainted: [W]=WARN
[  444.945960][T12230] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[  444.945962][T12230] Call Trace:
[  444.945963][T12230]  <TASK>
[  444.945965][T12230]  dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120)
[  444.945971][T12230]  ? vprintk_emit (kernel/printk/printk.c:2471)
[  444.945972][T12230]  __might_resched.cold (kernel/sched/core.c:9234)
[  444.945976][T12230]  ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3))
[  444.945979][T12230]  ? __asan_memcpy (mm/kasan/shadow.c:106 (discriminator 1))
[  444.945983][T12230]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  444.945986][T12230]  __kmalloc_noprof (./include/linux/sched/mm.h:322 (discriminator 2) mm/slub.c:4636 (discriminator 2) mm/slub.c:4974 (discriminator 2) mm/slub.c:5413 (discriminator 2) mm/slub.c:5439 (discriminator 2))
[  444.945988][T12230]  ? __rwlock_init (kernel/locking/spinlock_debug.c:48)
[  444.945992][T12230]  ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[  444.945997][T12230]  ? do_raw_spin_unlock (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:32 ./include/asm-generic/qspinlock.h:58 kernel/locking/spinlock_debug.c:101 kernel/locking/spinlock_debug.c:141)
[  444.945999][T12230]  alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[  444.946001][T12230]  put_chars (drivers/char/virtio_console.c:1176)
[  444.946003][T12230]  ? __send_to_port (drivers/char/virtio_console.c:654)
[  444.946005][T12230]  ? console_prepend_replay (kernel/printk/printk.c:3005)
[  444.946008][T12230]  hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2))
[  444.946012][T12230]  ? hvc_write (drivers/tty/hvc/hvc_console.c:501)
[  444.946014][T12230]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  444.946016][T12230]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  444.946018][T12230]  console_emit_next_record (kernel/printk/printk.c:3183)
[  444.946021][T12230]  ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20)
[  444.946023][T12230]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  444.946024][T12230]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  444.946026][T12230]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  444.946027][T12230]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  444.946029][T12230]  ? console_flush_one_record (kernel/printk/printk.c:3247)
[  444.946031][T12230]  console_flush_one_record (kernel/printk/printk.c:3268)
[  444.946033][T12230]  ? console_emit_next_record (kernel/printk/printk.c:3150)
[  444.946036][T12230]  console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420)
[  444.946038][T12230]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  444.946040][T12230]  ? console_flush_one_record (kernel/printk/printk.c:3316)
[  444.946042][T12230]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  444.946043][T12230]  ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22))
[  444.946045][T12230]  ? 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)
[  444.946046][T12230]  ? __rcu_read_lock (kernel/rcu/tree_plugin.h:391 (discriminator 6))
[  444.946048][T12230]  ? __down_trylock_console_sem (kernel/printk/printk.c:334)
[  444.946050][T12230]  ? vprintk_emit (kernel/printk/printk.c:2478)
[  444.946052][T12230]  vprintk_emit (kernel/printk/printk.c:2479)
[  444.946054][T12230]  ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126))
[  444.946055][T12230]  ? net_disable_timestamp (./include/linux/workqueue.h:761)
[  444.946059][T12230]  ? net_generic (./include/linux/rcupdate.h:882 ./include/net/netns/generic.h:48) vxlan
[  444.946066][T12230]  _printk (kernel/printk/printk.c:2504)
[  444.946069][T12230]  ? snapshot_read.cold (user.c:?)
[  444.946071][T12230]  ? netdev_name (./include/linux/netdevice.h:5709 (discriminator 1))
[  444.946075][T12230]  ? __netdev_printk (net/core/dev.c:13148 (discriminator 2))
[  444.946077][T12230]  netdev_info (net/core/dev.c:13195 (discriminator 3))
[  444.946080][T12230]  ? netdev_notice (net/core/dev.c:13194)
[  444.946081][T12230]  ? __netdev_upper_dev_unlink (net/core/dev.c:9094)
[  444.946084][T12230]  ? synchronize_rcu_expedited (kernel/rcu/tree_exp.h:985)
[  444.946087][T12230]  ? 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)
[  444.946089][T12230]  __dev_set_promiscuity.cold (net/core/dev.c:9672 (discriminator 3))
[  444.946091][T12230]  netif_set_promiscuity (net/core/dev.c:9699)
[  444.946094][T12230]  dev_set_promiscuity (net/core/dev_api.c:288)
[  444.946096][T12230]  ? rtnl_is_locked (net/core/rtnetlink.c:169)
[  444.946100][T12230] ovs_netdev_detach_dev (net/openvswitch/vport-netdev.c:174) openvswitch
[  444.946105][T12230]  ? netdev_destroy (net/openvswitch/vport-netdev.c:189) openvswitch
[  444.946109][T12230] netdev_destroy (net/openvswitch/vport-netdev.c:194) openvswitch
[  444.946113][T12230] ovs_vport_cmd_del (net/openvswitch/datapath.c:2505) openvswitch
[  444.946119][T12230]  genl_family_rcv_msg_doit (net/netlink/genetlink.c:1114)
[  444.946123][T12230]  ? genl_family_rcv_msg_attrs_parse.isra.0 (./include/net/netlink.h:785 (discriminator 2))
[  444.946126][T12230]  ? security_capable (security/security.c:660 (discriminator 11))
[  444.946130][T12230]  genl_family_rcv_msg (net/netlink/genetlink.c:1194)
[  444.946132][T12230]  ? genl_family_rcv_msg_dumpit (net/netlink/genetlink.c:1079)
[  444.946135][T12230]  ? ovs_dp_detach_port (./include/linux/list.h:1047 (discriminator 2)) openvswitch
[  444.946138][T12230]  ? filter_irq_stacks (kernel/stacktrace.c:402)
[  444.946141][T12230]  ? stack_depot_save_flags (lib/stackdepot.c:609 lib/stackdepot.c:676)
[  444.946145][T12230]  genl_rcv_msg (net/netlink/genetlink.c:1209)
[  444.946147][T12230]  netlink_rcv_skb (net/netlink/af_netlink.c:2556)
[  444.946149][T12230]  ? genl_family_rcv_msg (net/netlink/genetlink.c:1136 (discriminator 2))
[  444.946152][T12230]  ? netlink_ack (./include/linux/skbuff.h:2718)
[  444.946154][T12230]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  444.946156][T12230]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  444.946157][T12230]  ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22))
[  444.946159][T12230]  genl_rcv (net/netlink/genetlink.c:1218)
[  444.946161][T12230]  netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[  444.946164][T12230]  ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[  444.946166][T12230]  ? debug_object_active_state (lib/debugobjects.c:1122)
[  444.946168][T12230]  ? 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)
[  444.946171][T12230]  netlink_sendmsg (net/netlink/af_netlink.c:1900)
[  444.946173][T12230]  ? netlink_unicast (./include/net/net_namespace.h:422 (discriminator 7))
[  444.946175][T12230]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  444.946177][T12230]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  444.946179][T12230]  __sock_sendmsg (net/socket.c:800 (discriminator 4) net/socket.c:815 (discriminator 4))
[  444.946182][T12230]  ? fdget (fs/file.c:1200 fs/file.c:1208)
[  444.946185][T12230]  __sys_sendto (net/socket.c:2281)
[  444.946187][T12230]  ? __ia32_sys_getpeername (net/socket.c:2235)
[  444.946190][T12230]  ? trace_hardirqs_on (kernel/trace/trace_preemptirq.c:78)
[  444.946193][T12230]  ? _raw_spin_unlock_irq (./include/linux/spinlock_api_smp.h:220 (discriminator 1) kernel/locking/spinlock.c:229 (discriminator 1))
[  444.946198][T12230]  __x64_sys_sendto (net/socket.c:2288 net/socket.c:2284 net/socket.c:2284)
[  444.946200][T12230]  ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22))
[  444.946201][T12230]  ? trace_hardirqs_off_finish (./include/trace/events/preemptirq.h:36 (discriminator 22) kernel/trace/trace_preemptirq.c:95 (discriminator 22) kernel/trace/trace_preemptirq.c:90 (discriminator 22))
[  444.946203][T12230]  ? trace_hardirqs_on (kernel/trace/trace_preemptirq.c:78)
[  444.946204][T12230]  do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84)
[  444.946207][T12230]  ? irq_exit_rcu (kernel/softirq.c:786)
[  444.946210][T12230]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[  444.946212][T12230] RIP: 0033:0x7f6d1ce07312
[  444.946214][T12230] 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)
[  444.946216][T12230] RSP: 002b:00007ffc4a0fa858 EFLAGS: 00000246 ORIG_RAX: 000000000000002c
[  444.946220][T12230] RAX: ffffffffffffffda RBX: 00007ffc4a0fa988 RCX: 00007f6d1ce07312
[  444.946222][T12230] RDX: 0000000000000028 RSI: 00007f6d18a6d3b0 RDI: 0000000000000023
[  444.946223][T12230] RBP: 00007ffc4a0fa880 R08: 00007ffc4a0faa00 R09: 000000000000000c
[  444.946224][T12230] R10: 0000000000000000 R11: 0000000000000246 R12: 00007f6d1ac6dfd0
[  444.946225][T12230] R13: 00007ffc4a0fa988 R14: 00007f6d1c72601a R15: 00007ffc4a0fad78
| [  447.727273][T12350] softirqs last disabled at (0): 0x0
| [  447.727275][T12350] Preemption disabled at:
| [  447.727276][T12350] vprintk_emit (kernel/printk/printk.c:2471)
| [  447.727287][T12350] Tainted: [W]=WARN
[  447.727288][T12350] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[  447.727290][T12350] Call Trace:
[  447.727292][T12350]  <TASK>
[  447.727293][T12350]  dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120)
[  447.727299][T12350]  ? vprintk_emit (kernel/printk/printk.c:2471)
[  447.727301][T12350]  __might_resched.cold (kernel/sched/core.c:9234)
[  447.727305][T12350]  ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3))
[  447.727308][T12350]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  447.727311][T12350]  __kmalloc_noprof (./include/linux/sched/mm.h:322 (discriminator 2) mm/slub.c:4636 (discriminator 2) mm/slub.c:4974 (discriminator 2) mm/slub.c:5413 (discriminator 2) mm/slub.c:5439 (discriminator 2))
[  447.727314][T12350]  ? __rwlock_init (kernel/locking/spinlock_debug.c:48)
[  447.727318][T12350]  ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[  447.727323][T12350]  ? do_raw_spin_unlock (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:32 ./include/asm-generic/qspinlock.h:58 kernel/locking/spinlock_debug.c:101 kernel/locking/spinlock_debug.c:141)
[  447.727325][T12350]  alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[  447.727327][T12350]  put_chars (drivers/char/virtio_console.c:1176)
[  447.727329][T12350]  ? __send_to_port (drivers/char/virtio_console.c:654)
[  447.727331][T12350]  ? printk_get_next_message (kernel/printk/printk.c:3072)
[  447.727334][T12350]  hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2))
[  447.727339][T12350]  ? hvc_write (drivers/tty/hvc/hvc_console.c:501)
[  447.727341][T12350]  ? __rwlock_init (kernel/locking/spinlock_debug.c:48)
[  447.727343][T12350]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  447.727344][T12350]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  447.727347][T12350]  console_emit_next_record (kernel/printk/printk.c:3183)
[  447.727350][T12350]  ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20)
[  447.727352][T12350]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  447.727353][T12350]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  447.727355][T12350]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  447.727356][T12350]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  447.727358][T12350]  ? console_flush_one_record (kernel/printk/printk.c:3247)
[  447.727360][T12350]  console_flush_one_record (kernel/printk/printk.c:3268)
[  447.727362][T12350]  ? console_emit_next_record (kernel/printk/printk.c:3150)
[  447.727365][T12350]  console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420)
[  447.727367][T12350]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  447.727369][T12350]  ? console_flush_one_record (kernel/printk/printk.c:3316)
[  447.727370][T12350]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  447.727371][T12350]  ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22))
[  447.727373][T12350]  ? 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)
[  447.727375][T12350]  ? __rcu_read_lock (kernel/rcu/tree_plugin.h:391 (discriminator 6))
[  447.727376][T12350]  ? __down_trylock_console_sem (kernel/printk/printk.c:334)
[  447.727378][T12350]  ? vprintk_emit (kernel/printk/printk.c:2478)
[  447.727380][T12350]  vprintk_emit (kernel/printk/printk.c:2479)
[  447.727382][T12350]  ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126))
[  447.727383][T12350]  ? do_raw_spin_trylock (./include/linux/instrumented.h:55 ./include/linux/atomic/atomic-instrumented.h:1301 ./include/asm-generic/qspinlock.h:98 kernel/locking/spinlock_debug.c:123)
[  447.727385][T12350]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  447.727386][T12350]  ? genl_family_rcv_msg (net/netlink/genetlink.c:1194)
[  447.727389][T12350]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  447.727392][T12350]  _printk (kernel/printk/printk.c:2504)
[  447.727395][T12350]  ? snapshot_read.cold (user.c:?)
[  447.727397][T12350]  ? ___ratelimit (lib/ratelimit.c:97 (discriminator 3))
[  447.727401][T12350]  ? idr_get_free (??:?)
[  447.727403][T12350]  ? trace_irq_enable.constprop.0 (./include/linux/instrumented.h:82 ./include/asm-generic/bitops/instrumented-non-atomic.h:141 ./include/linux/cpumask.h:650 ./include/linux/cpumask.h:1232 ./include/trace/events/preemptirq.h:40)
[  447.727406][T12350]  validate_nla.cold (lib/nlattr.c:414 (discriminator 4))
[  447.727414][T12350]  ? nla_get_range_signed (lib/nlattr.c:270)
[  447.727418][T12350]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  447.727420][T12350]  ? trace_kmalloc (./include/trace/events/kmem.h:57 (discriminator 22))
[  447.727423][T12350]  __nla_validate_parse (lib/nlattr.c:635)
[  447.727426][T12350]  __nla_parse (lib/nlattr.c:732)
[  447.727428][T12350]  genl_family_rcv_msg_attrs_parse.isra.0 (./include/net/netlink.h:789 (discriminator 2) net/netlink/genetlink.c:944 (discriminator 2))
[  447.727430][T12350]  ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22))
[  447.727433][T12350]  genl_family_rcv_msg_doit (net/netlink/genetlink.c:1092)
[  447.727435][T12350]  ? genl_family_rcv_msg_attrs_parse.isra.0 (./include/net/netlink.h:785 (discriminator 2))
[  447.727438][T12350]  ? security_capable (security/security.c:660 (discriminator 11))
[  447.727442][T12350]  genl_family_rcv_msg (net/netlink/genetlink.c:1194)
[  447.727444][T12350]  ? genl_family_rcv_msg_dumpit (net/netlink/genetlink.c:1079)
[  447.727447][T12350]  ? ovs_dp_cmd_get (./include/net/net_namespace.h:422 (discriminator 7)) openvswitch
[  447.727454][T12350]  ? filter_irq_stacks (kernel/stacktrace.c:402)
[  447.727457][T12350]  ? stack_depot_save_flags (lib/stackdepot.c:609 lib/stackdepot.c:676)
[  447.727460][T12350]  genl_rcv_msg (net/netlink/genetlink.c:1209)
[  447.727462][T12350]  netlink_rcv_skb (net/netlink/af_netlink.c:2556)
[  447.727464][T12350]  ? genl_family_rcv_msg (net/netlink/genetlink.c:1136 (discriminator 2))
[  447.727467][T12350]  ? netlink_ack (./include/linux/skbuff.h:2718)
[  447.727470][T12350]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  447.727471][T12350]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  447.727473][T12350]  ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22))
[  447.727475][T12350]  genl_rcv (net/netlink/genetlink.c:1218)
[  447.727477][T12350]  netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[  447.727479][T12350]  ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[  447.727482][T12350]  netlink_sendmsg (net/netlink/af_netlink.c:1900)
[  447.727484][T12350]  ? netlink_unicast (./include/net/net_namespace.h:422 (discriminator 7))
[  447.727486][T12350]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  447.727488][T12350]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  447.727490][T12350]  __sock_sendmsg (net/socket.c:800 (discriminator 4) net/socket.c:815 (discriminator 4))
[  447.727493][T12350]  ? fdget (fs/file.c:1200 fs/file.c:1208)
[  447.727496][T12350]  __sys_sendto (net/socket.c:2281)
[  447.727499][T12350]  ? __ia32_sys_getpeername (net/socket.c:2235)
[  447.727503][T12350]  ? fput_close_sync (fs/file_table.c:617)
[  447.727506][T12350]  ? alloc_file_clone (fs/file_table.c:479)
[  447.727508][T12350]  __x64_sys_sendto (net/socket.c:2288 net/socket.c:2284 net/socket.c:2284)
[  447.727510][T12350]  ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22))
[  447.727511][T12350]  ? trace_hardirqs_off_finish (./include/trace/events/preemptirq.h:36 (discriminator 22) kernel/trace/trace_preemptirq.c:95 (discriminator 22) kernel/trace/trace_preemptirq.c:90 (discriminator 22))
[  447.727513][T12350]  ? trace_hardirqs_on (kernel/trace/trace_preemptirq.c:78)
[  447.727514][T12350]  do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84)
[  447.727517][T12350]  ? exc_page_fault (arch/x86/mm/fault.c:1489 (discriminator 3) arch/x86/mm/fault.c:1536 (discriminator 3))
[  447.727519][T12350]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[  447.727521][T12350] RIP: 0033:0x7fe1fa93a312
[  447.727523][T12350] 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)
[  447.727525][T12350] RSP: 002b:00007fff3cc2d588 EFLAGS: 00000246 ORIG_RAX: 000000000000002c
[  447.727529][T12350] RAX: ffffffffffffffda RBX: 00007fff3cc2d6b8 RCX: 00007fe1fa93a312
[  447.727531][T12350] RDX: 0000000000000044 RSI: 00007fe1f650b050 RDI: 0000000000000020
[  447.727532][T12350] RBP: 00007fff3cc2d5b0 R08: 00007fff3cc2d730 R09: 000000000000000c
[  447.727533][T12350] R10: 0000000000000000 R11: 0000000000000246 R12: 00007fe1f879e0b0
[  447.727534][T12350] R13: 00007fff3cc2d6b8 R14: 00007fe1fa25901a R15: 00007fff3cc2daa8
| [  449.274294][T12407] softirqs last disabled at (0): 0x0
| [  449.274296][T12407] Preemption disabled at:
| [  449.274297][T12407] vprintk_emit (kernel/printk/printk.c:2471)
| [  449.274307][T12407] Tainted: [W]=WARN
[  449.274309][T12407] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[  449.274311][T12407] Call Trace:
[  449.274312][T12407]  <TASK>
[  449.274314][T12407]  dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120)
[  449.274319][T12407]  ? vprintk_emit (kernel/printk/printk.c:2471)
[  449.274321][T12407]  __might_resched.cold (kernel/sched/core.c:9234)
[  449.274325][T12407]  ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3))
[  449.274329][T12407]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  449.274331][T12407]  __kmalloc_noprof (./include/linux/sched/mm.h:322 (discriminator 2) mm/slub.c:4636 (discriminator 2) mm/slub.c:4974 (discriminator 2) mm/slub.c:5413 (discriminator 2) mm/slub.c:5439 (discriminator 2))
[  449.274335][T12407]  ? __rwlock_init (kernel/locking/spinlock_debug.c:48)
[  449.274338][T12407]  ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[  449.274344][T12407]  ? do_raw_spin_unlock (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:32 ./include/asm-generic/qspinlock.h:58 kernel/locking/spinlock_debug.c:101 kernel/locking/spinlock_debug.c:141)
[  449.274345][T12407]  alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[  449.274348][T12407]  put_chars (drivers/char/virtio_console.c:1176)
[  449.274350][T12407]  ? __send_to_port (drivers/char/virtio_console.c:654)
[  449.274352][T12407]  ? printk_get_next_message (kernel/printk/printk.c:3072)
[  449.274354][T12407]  ? console_prepend_replay (kernel/printk/printk.c:3005)
[  449.274357][T12407]  hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2))
[  449.274362][T12407]  ? hvc_write (drivers/tty/hvc/hvc_console.c:501)
[  449.274364][T12407]  ? __rwlock_init (kernel/locking/spinlock_debug.c:48)
[  449.274366][T12407]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  449.274367][T12407]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  449.274368][T12407]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  449.274371][T12407]  console_emit_next_record (kernel/printk/printk.c:3183)
[  449.274374][T12407]  ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20)
[  449.274376][T12407]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  449.274377][T12407]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  449.274378][T12407]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  449.274379][T12407]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  449.274382][T12407]  ? console_flush_one_record (kernel/printk/printk.c:3247)
[  449.274384][T12407]  console_flush_one_record (kernel/printk/printk.c:3268)
[  449.274386][T12407]  ? console_emit_next_record (kernel/printk/printk.c:3150)
[  449.274389][T12407]  console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420)
[  449.274391][T12407]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  449.274393][T12407]  ? console_flush_one_record (kernel/printk/printk.c:3316)
[  449.274395][T12407]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  449.274396][T12407]  ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22))
[  449.274398][T12407]  ? 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)
[  449.274399][T12407]  ? __rcu_read_lock (kernel/rcu/tree_plugin.h:391 (discriminator 6))
[  449.274401][T12407]  ? __down_trylock_console_sem (kernel/printk/printk.c:334)
[  449.274403][T12407]  ? vprintk_emit (kernel/printk/printk.c:2478)
[  449.274405][T12407]  vprintk_emit (kernel/printk/printk.c:2479)
[  449.274407][T12407]  ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126))
[  449.274409][T12407]  _printk (kernel/printk/printk.c:2504)
[  449.274413][T12407]  ? snapshot_read.cold (user.c:?)
[  449.274415][T12407]  ? rcu_read_lock_held (kernel/rcu/update.c:105 kernel/rcu/update.c:349)
[  449.274418][T12407]  ? netdev_upper_get_next_dev_rcu (net/core/dev.c:8213 (discriminator 1))
[  449.274422][T12407]  ? 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)
[  449.274424][T12407]  ? __netdev_update_features (net/core/dev.c:11078 (discriminator 2))
[  449.274426][T12407]  ? netdev_name (./include/linux/netdevice.h:5709 (discriminator 1))
[  449.274429][T12407]  ? __netdev_printk (net/core/dev.c:13148 (discriminator 2))
[  449.274432][T12407]  netdev_info (net/core/dev.c:13195 (discriminator 3))
[  449.274434][T12407]  ? netdev_notice (net/core/dev.c:13194)
[  449.274436][T12407]  ? ovs_netdev_link (net/openvswitch/vport-netdev.c:85) openvswitch
[  449.274444][T12407]  ? 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)
[  449.274445][T12407]  __dev_set_promiscuity.cold (net/core/dev.c:9672 (discriminator 3))
[  449.274448][T12407]  netif_set_promiscuity (net/core/dev.c:9699)
[  449.274451][T12407]  dev_set_promiscuity (net/core/dev_api.c:288)
[  449.274452][T12407]  ? dev_disable_lro (net/core/dev_api.c:267)
[  449.274454][T12407] ovs_netdev_link (net/openvswitch/vport-netdev.c:106) openvswitch
[  449.274458][T12407] ovs_vport_add (net/openvswitch/vport.c:209) openvswitch
[  449.274462][T12407]  ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22))
[  449.274464][T12407] new_vport (net/openvswitch/datapath.c:203) openvswitch
[  449.274469][T12407]  ? ovs_lookup_vport (net/openvswitch/datapath.c:190) openvswitch
[  449.274473][T12407] ovs_vport_cmd_new (net/openvswitch/datapath.c:2389) openvswitch
[  449.274477][T12407]  ? ovs_vport_cmd_fill_info.isra.0 (./include/net/netlink.h:1107 (discriminator 1)) openvswitch
[  449.274481][T12407]  ? __nla_validate_parse (lib/nlattr.c:635)
[  449.274486][T12407]  ? __nla_parse (lib/nlattr.c:732)
[  449.274488][T12407]  ? genl_family_rcv_msg_attrs_parse.isra.0 (./include/net/netlink.h:789 (discriminator 2) net/netlink/genetlink.c:944 (discriminator 2))
[  449.274492][T12407]  genl_family_rcv_msg_doit (net/netlink/genetlink.c:1114)
[  449.274494][T12407]  ? genl_family_rcv_msg_attrs_parse.isra.0 (./include/net/netlink.h:785 (discriminator 2))
[  449.274498][T12407]  ? security_capable (security/security.c:660 (discriminator 11))
[  449.274502][T12407]  genl_family_rcv_msg (net/netlink/genetlink.c:1194)
[  449.274504][T12407]  ? genl_family_rcv_msg_dumpit (net/netlink/genetlink.c:1079)
[  449.274507][T12407]  ? ovs_vport_cmd_fill_info.isra.0 (./include/net/netlink.h:1107 (discriminator 1)) openvswitch
[  449.274511][T12407]  ? filter_irq_stacks (kernel/stacktrace.c:402)
[  449.274514][T12407]  ? stack_depot_save_flags (lib/stackdepot.c:609 lib/stackdepot.c:676)
[  449.274516][T12407]  genl_rcv_msg (net/netlink/genetlink.c:1209)
[  449.274519][T12407]  netlink_rcv_skb (net/netlink/af_netlink.c:2556)
[  449.274521][T12407]  ? genl_family_rcv_msg (net/netlink/genetlink.c:1136 (discriminator 2))
[  449.274523][T12407]  ? netlink_ack (./include/linux/skbuff.h:2718)
[  449.274526][T12407]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  449.274528][T12407]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  449.274529][T12407]  ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22))
[  449.274531][T12407]  genl_rcv (net/netlink/genetlink.c:1218)
[  449.274533][T12407]  netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[  449.274535][T12407]  ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[  449.274537][T12407]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  449.274539][T12407]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  449.274540][T12407]  ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22))
[  449.274542][T12407]  netlink_sendmsg (net/netlink/af_netlink.c:1900)
[  449.274545][T12407]  ? netlink_unicast (./include/net/net_namespace.h:422 (discriminator 7))
[  449.274547][T12407]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  449.274549][T12407]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  449.274551][T12407]  __sock_sendmsg (net/socket.c:800 (discriminator 4) net/socket.c:815 (discriminator 4))
[  449.274554][T12407]  ? fdget (fs/file.c:1200 fs/file.c:1208)
[  449.274557][T12407]  __sys_sendto (net/socket.c:2281)
[  449.274559][T12407]  ? __ia32_sys_getpeername (net/socket.c:2235)
[  449.274562][T12407]  ? do_futex (kernel/futex/syscalls.c:138)
[  449.274565][T12407]  ? __ia32_sys_get_robust_list (kernel/futex/syscalls.c:94)
[  449.274567][T12407]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  449.274569][T12407]  ? do_futex (kernel/futex/syscalls.c:153 (discriminator 1))
[  449.274571][T12407]  __x64_sys_sendto (net/socket.c:2288 net/socket.c:2284 net/socket.c:2284)
[  449.274574][T12407]  ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22))
[  449.274578][T12407]  ? trace_hardirqs_off_finish (./include/trace/events/preemptirq.h:36 (discriminator 22) kernel/trace/trace_preemptirq.c:95 (discriminator 22) kernel/trace/trace_preemptirq.c:90 (discriminator 22))
[  449.274581][T12407]  ? trace_hardirqs_on (kernel/trace/trace_preemptirq.c:78)
[  449.274583][T12407]  do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84)
[  449.274589][T12407]  ? exc_page_fault (arch/x86/mm/fault.c:1489 (discriminator 3) arch/x86/mm/fault.c:1536 (discriminator 3))
[  449.274592][T12407]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[  449.274595][T12407] RIP: 0033:0x7f03d9508312
[  449.274597][T12407] 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)
[  449.274599][T12407] RSP: 002b:00007ffd89a26fc8 EFLAGS: 00000246 ORIG_RAX: 000000000000002c
[  449.274603][T12407] RAX: ffffffffffffffda RBX: 00007ffd89a270f8 RCX: 00007f03d9508312
[  449.274604][T12407] RDX: 0000000000000038 RSI: 00007f03bef6daf0 RDI: 0000000000000023
[  449.274606][T12407] RBP: 00007ffd89a26ff0 R08: 00007ffd89a27170 R09: 000000000000000c
[  449.274607][T12407] R10: 0000000000000000 R11: 0000000000000246 R12: 00007f03d7376190
[  449.274608][T12407] R13: 00007ffd89a270f8 R14: 00007f03d8e2701a R15: 00007ffd89a274e8
| [  456.236196][   T71] softirqs last disabled at (8660322): __fib6_clean_all (./include/linux/spinlock.h:353 net/ipv6/ip6_fib.c:2323)
| [  456.236198][   T71] Preemption disabled at:
| [  456.236199][   T71] vprintk_emit (kernel/printk/printk.c:2471)
| [  456.236210][   T71] Tainted: [W]=WARN
[  456.236211][   T71] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[  456.236213][   T71] Workqueue: netns cleanup_net
[  456.236219][   T71] Call Trace:
[  456.236221][   T71]  <TASK>
[  456.236222][   T71]  dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120)
[  456.236228][   T71]  ? vprintk_emit (kernel/printk/printk.c:2471)
[  456.236230][   T71]  __might_resched.cold (kernel/sched/core.c:9234)
[  456.236234][   T71]  ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3))
[  456.236237][   T71]  ? prb_next_reserve_seq (kernel/printk/printk_ringbuffer.c:2128)
[  456.236239][   T71]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  456.236242][   T71]  __kmalloc_noprof (./include/linux/sched/mm.h:322 (discriminator 2) mm/slub.c:4636 (discriminator 2) mm/slub.c:4974 (discriminator 2) mm/slub.c:5413 (discriminator 2) mm/slub.c:5439 (discriminator 2))
[  456.236245][   T71]  ? __rwlock_init (kernel/locking/spinlock_debug.c:48)
[  456.236248][   T71]  ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[  456.236253][   T71]  ? do_raw_spin_unlock (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:32 ./include/asm-generic/qspinlock.h:58 kernel/locking/spinlock_debug.c:101 kernel/locking/spinlock_debug.c:141)
[  456.236255][   T71]  alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[  456.236257][   T71]  put_chars (drivers/char/virtio_console.c:1176)
[  456.236259][   T71]  ? prb_final_commit (kernel/printk/printk_ringbuffer.c:1842)
[  456.236261][   T71]  ? __send_to_port (drivers/char/virtio_console.c:654)
[  456.236262][   T71]  ? printk_get_next_message (kernel/printk/printk.c:3072)
[  456.236265][   T71]  hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2))
[  456.236270][   T71]  ? hvc_write (drivers/tty/hvc/hvc_console.c:501)
[  456.236272][   T71]  ? 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)
[  456.236274][   T71]  ? vsnprintf (lib/vsprintf.c:2953 (discriminator 1))
[  456.236276][   T71]  ? __rwlock_init (kernel/locking/spinlock_debug.c:48)
[  456.236278][   T71]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  456.236279][   T71]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  456.236282][   T71]  console_emit_next_record (kernel/printk/printk.c:3183)
[  456.236285][   T71]  ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20)
[  456.236287][   T71]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  456.236288][   T71]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  456.236289][   T71]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  456.236290][   T71]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  456.236293][   T71]  ? console_flush_one_record (kernel/printk/printk.c:3247)
[  456.236294][   T71]  console_flush_one_record (kernel/printk/printk.c:3268)
[  456.236297][   T71]  ? console_emit_next_record (kernel/printk/printk.c:3150)
[  456.236300][   T71]  console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420)
[  456.236302][   T71]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  456.236303][   T71]  ? console_flush_one_record (kernel/printk/printk.c:3316)
[  456.236305][   T71]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  456.236306][   T71]  ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22))
[  456.236308][   T71]  ? 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)
[  456.236309][   T71]  ? __rcu_read_lock (kernel/rcu/tree_plugin.h:391 (discriminator 6))
[  456.236311][   T71]  ? __down_trylock_console_sem (kernel/printk/printk.c:334)
[  456.236313][   T71]  ? vprintk_emit (kernel/printk/printk.c:2478)
[  456.236314][   T71]  vprintk_emit (kernel/printk/printk.c:2479)
[  456.236316][   T71]  ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126))
[  456.236318][   T71]  ? net_disable_timestamp (./include/linux/workqueue.h:761)
[  456.236320][   T71]  ? net_generic (./include/linux/rcupdate.h:882 ./include/net/netns/generic.h:48) vxlan
[  456.236327][   T71]  _printk (kernel/printk/printk.c:2504)
[  456.236330][   T71]  ? snapshot_read.cold (user.c:?)
[  456.236332][   T71]  ? netdev_name (./include/linux/netdevice.h:5709 (discriminator 1))
[  456.236336][   T71]  ? __netdev_printk (net/core/dev.c:13148 (discriminator 2))
[  456.236338][   T71]  netdev_info (net/core/dev.c:13195 (discriminator 3))
[  456.236341][   T71]  ? netdev_notice (net/core/dev.c:13194)
[  456.236342][   T71]  ? __netdev_upper_dev_unlink (net/core/dev.c:9094)
[  456.236345][   T71]  ? synchronize_rcu_expedited (kernel/rcu/tree_exp.h:985)
[  456.236348][   T71]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  456.236350][   T71]  ? 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)
[  456.236351][   T71]  __dev_set_promiscuity.cold (net/core/dev.c:9672 (discriminator 3))
[  456.236353][   T71]  netif_set_promiscuity (net/core/dev.c:9699)
[  456.236356][   T71]  dev_set_promiscuity (net/core/dev_api.c:288)
[  456.236358][   T71]  ? rtnl_is_locked (net/core/rtnetlink.c:169)
[  456.236361][   T71] ovs_netdev_detach_dev (net/openvswitch/vport-netdev.c:174) openvswitch
[  456.236367][   T71] dp_device_event (net/openvswitch/dp_notify.c:74) openvswitch
[  456.236372][   T71]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  456.236374][   T71]  notifier_call_chain (kernel/notifier.c:85)
[  456.236377][   T71]  unregister_netdevice_many_notify (net/core/dev.c:2313 net/core/dev.c:2327 net/core/dev.c:12518)
[  456.236379][   T71]  ? unregister_netdevice_queued (./include/linux/list.h:419 (discriminator 3))
[  456.236381][   T71]  ? get_rps_cpu (net/core/dev.c:5240)
[  456.236384][   T71]  default_device_exit_batch (net/core/dev.c:12589 net/core/dev.c:13288)
[  456.236385][   T71]  ? __mutex_unlock_slowpath (./include/linux/preempt.h:500 (discriminator 1) kernel/locking/mutex.c:999 (discriminator 1))
[  456.236387][   T71]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  456.236388][   T71]  ? unregister_netdevice_queue (./include/linux/list.h:173)
[  456.236390][   T71]  ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3))
[  456.236392][   T71]  ? fou_exit_net (net/ipv4/fou_core.c:1228)
[  456.236395][   T71]  ops_undo_list (net/core/net_namespace.c:206 net/core/net_namespace.c:253)
[  456.236397][   T71]  ? netns_install (./include/linux/ns_common.h:26)
[  456.236399][   T71]  ? idr_destroy (lib/radix-tree.c:310 lib/radix-tree.c:674 lib/radix-tree.c:1563)
[  456.236402][   T71]  cleanup_net (net/core/net_namespace.c:706)
[  456.236404][   T71]  ? net_passive_dec (./include/linux/llist.h:241)
[  456.236406][   T71]  ? update_load_avg (kernel/sched/fair.c:5864)
[  456.236408][   T71]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  456.236410][   T71]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  456.236412][   T71]  process_one_work (kernel/workqueue.c:3387)
[  456.236416][   T71]  ? __queue_delayed_work (kernel/workqueue.c:2622)
[  456.236418][   T71]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[  456.236420][   T71]  ? __rwlock_init (kernel/locking/spinlock_debug.c:48)
[  456.236423][   T71]  worker_thread (kernel/workqueue.c:3470 kernel/workqueue.c:3551)
[  456.236425][   T71]  ? rescuer_thread (./include/linux/list.h:419 (discriminator 3))
[  456.236427][   T71]  ? __kthread_parkme (./include/linux/instrumented.h:82 ./include/asm-generic/bitops/instrumented-non-atomic.h:141 kernel/kthread.c:272)
[  456.236429][   T71]  ? rescuer_thread (./include/linux/list.h:419 (discriminator 3))
[  456.236431][   T71]  ? rescuer_thread (./include/linux/list.h:419 (discriminator 3))
[  456.236433][   T71]  kthread (kernel/kthread.c:436)
[  456.236435][   T71]  ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22))
[  456.236438][   T71]  ? kthread_affine_preferred (kernel/kthread.c:857)
[  456.236440][   T71]  ret_from_fork (arch/x86/kernel/process.c:158)
[  456.236444][   T71]  ? arch_exit_to_user_mode_prepare.isra.0 (arch/x86/entry/vdso/vma.c:80 (discriminator 1))
[  456.236446][   T71]  ? __switch_to (arch/x86/kernel/process_64.c:403 arch/x86/kernel/process_64.c:663)
[  456.236449][   T71]  ? kthread_affine_preferred (kernel/kthread.c:857)
[  456.236451][   T71]  ret_from_fork_asm (arch/x86/entry/entry_64.S:245)
| [  457.568859][T12620] softirqs last disabled at (0): 0x0
| [  457.568861][T12620] Preemption disabled at:
| [  457.568862][T12620] vprintk_emit (kernel/printk/printk.c:2471)
| [  457.568872][T12620] Tainted: [W]=WARN
[  457.568873][T12620] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[  457.568875][T12620] Call Trace:
[  457.568876][T12620]  <TASK>
[  457.568878][T12620]  dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120)
[  457.568884][T12620]  ? vprintk_emit (kernel/printk/printk.c:2471)
[  457.568885][T12620]  __might_resched.cold (kernel/sched/core.c:9234)
[  457.568889][T12620]  ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3))
[  457.568893][T12620]  ? __asan_memcpy (mm/kasan/shadow.c:106 (discriminator 1))
[  457.568897][T12620]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  457.568899][T12620]  __kmalloc_noprof (./include/linux/sched/mm.h:322 (discriminator 2) mm/slub.c:4636 (discriminator 2) mm/slub.c:4974 (discriminator 2) mm/slub.c:5413 (discriminator 2) mm/slub.c:5439 (discriminator 2))
[  457.568902][T12620]  ? __rwlock_init (kernel/locking/spinlock_debug.c:48)
[  457.568905][T12620]  ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[  457.568911][T12620]  ? do_raw_spin_unlock (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:32 ./include/asm-generic/qspinlock.h:58 kernel/locking/spinlock_debug.c:101 kernel/locking/spinlock_debug.c:141)
[  457.568913][T12620]  alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[  457.568915][T12620]  put_chars (drivers/char/virtio_console.c:1176)
[  457.568917][T12620]  ? __send_to_port (drivers/char/virtio_console.c:654)
[  457.568919][T12620]  ? console_prepend_replay (kernel/printk/printk.c:3005)
[  457.568922][T12620]  hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2))
[  457.568927][T12620]  ? hvc_write (drivers/tty/hvc/hvc_console.c:501)
[  457.568929][T12620]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  457.568930][T12620]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  457.568933][T12620]  console_emit_next_record (kernel/printk/printk.c:3183)
[  457.568936][T12620]  ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20)
[  457.568938][T12620]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  457.568939][T12620]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  457.568940][T12620]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  457.568942][T12620]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  457.568944][T12620]  ? console_flush_one_record (kernel/printk/printk.c:3247)
[  457.568946][T12620]  console_flush_one_record (kernel/printk/printk.c:3268)
[  457.568949][T12620]  ? console_emit_next_record (kernel/printk/printk.c:3150)
[  457.568952][T12620]  console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420)
[  457.568954][T12620]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  457.568956][T12620]  ? console_flush_one_record (kernel/printk/printk.c:3316)
[  457.568958][T12620]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  457.568959][T12620]  ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22))
[  457.568960][T12620]  ? 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)
[  457.568962][T12620]  ? __rcu_read_lock (kernel/rcu/tree_plugin.h:391 (discriminator 6))
[  457.568964][T12620]  ? __down_trylock_console_sem (kernel/printk/printk.c:334)
[  457.568966][T12620]  ? vprintk_emit (kernel/printk/printk.c:2478)
[  457.568967][T12620]  vprintk_emit (kernel/printk/printk.c:2479)
[  457.568969][T12620]  ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126))
[  457.568971][T12620]  ? net_disable_timestamp (./include/linux/workqueue.h:761)
[  457.568974][T12620]  ? net_generic (./include/linux/rcupdate.h:882 ./include/net/netns/generic.h:48) vxlan
[  457.568981][T12620]  _printk (kernel/printk/printk.c:2504)
[  457.568984][T12620]  ? snapshot_read.cold (user.c:?)
[  457.568987][T12620]  ? netdev_name (./include/linux/netdevice.h:5709 (discriminator 1))
[  457.568990][T12620]  ? __netdev_printk (net/core/dev.c:13148 (discriminator 2))
[  457.568993][T12620]  netdev_info (net/core/dev.c:13195 (discriminator 3))
[  457.568995][T12620]  ? netdev_notice (net/core/dev.c:13194)
[  457.568997][T12620]  ? __netdev_upper_dev_unlink (net/core/dev.c:9094)
[  457.569000][T12620]  ? synchronize_rcu_expedited (kernel/rcu/tree_exp.h:985)
[  457.569003][T12620]  ? 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)
[  457.569004][T12620]  __dev_set_promiscuity.cold (net/core/dev.c:9672 (discriminator 3))
[  457.569007][T12620]  netif_set_promiscuity (net/core/dev.c:9699)
[  457.569010][T12620]  dev_set_promiscuity (net/core/dev_api.c:288)
[  457.569012][T12620]  ? rtnl_is_locked (net/core/rtnetlink.c:169)
[  457.569015][T12620] ovs_netdev_detach_dev (net/openvswitch/vport-netdev.c:174) openvswitch
[  457.569021][T12620]  ? netdev_destroy (net/openvswitch/vport-netdev.c:189) openvswitch
[  457.569025][T12620] netdev_destroy (net/openvswitch/vport-netdev.c:194) openvswitch
[  457.569029][T12620] ovs_vport_cmd_del (net/openvswitch/datapath.c:2505) openvswitch
[  457.569035][T12620]  genl_family_rcv_msg_doit (net/netlink/genetlink.c:1114)
[  457.569039][T12620]  ? genl_family_rcv_msg_attrs_parse.isra.0 (./include/net/netlink.h:785 (discriminator 2))
[  457.569043][T12620]  ? security_capable (security/security.c:660 (discriminator 11))
[  457.569047][T12620]  genl_family_rcv_msg (net/netlink/genetlink.c:1194)
[  457.569049][T12620]  ? genl_family_rcv_msg_dumpit (net/netlink/genetlink.c:1079)
[  457.569052][T12620]  ? ovs_dp_detach_port (./include/linux/list.h:1047 (discriminator 2)) openvswitch
[  457.569055][T12620]  ? filter_irq_stacks (kernel/stacktrace.c:402)
[  457.569059][T12620]  ? stack_depot_save_flags (lib/stackdepot.c:609 lib/stackdepot.c:676)
[  457.569062][T12620]  genl_rcv_msg (net/netlink/genetlink.c:1209)
[  457.569064][T12620]  netlink_rcv_skb (net/netlink/af_netlink.c:2556)
[  457.569066][T12620]  ? genl_family_rcv_msg (net/netlink/genetlink.c:1136 (discriminator 2))
[  457.569069][T12620]  ? netlink_ack (./include/linux/skbuff.h:2718)
[  457.569071][T12620]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  457.569073][T12620]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  457.569075][T12620]  ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22))
[  457.569077][T12620]  genl_rcv (net/netlink/genetlink.c:1218)
[  457.569079][T12620]  netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[  457.569081][T12620]  ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[  457.569084][T12620]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  457.569086][T12620]  netlink_sendmsg (net/netlink/af_netlink.c:1900)
[  457.569088][T12620]  ? netlink_unicast (./include/net/net_namespace.h:422 (discriminator 7))
[  457.569091][T12620]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  457.569093][T12620]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  457.569095][T12620]  __sock_sendmsg (net/socket.c:800 (discriminator 4) net/socket.c:815 (discriminator 4))
[  457.569097][T12620]  ? fdget (fs/file.c:1200 fs/file.c:1208)
[  457.569100][T12620]  __sys_sendto (net/socket.c:2281)
[  457.569103][T12620]  ? __ia32_sys_getpeername (net/socket.c:2235)
[  457.569107][T12620]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  457.569108][T12620]  ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22))
[  457.569110][T12620]  __x64_sys_sendto (net/socket.c:2288 net/socket.c:2284 net/socket.c:2284)
[  457.569112][T12620]  ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22))
[  457.569115][T12620]  ? trace_hardirqs_off_finish (./include/trace/events/preemptirq.h:36 (discriminator 22) kernel/trace/trace_preemptirq.c:95 (discriminator 22) kernel/trace/trace_preemptirq.c:90 (discriminator 22))
[  457.569117][T12620]  ? trace_hardirqs_on (kernel/trace/trace_preemptirq.c:78)
[  457.569118][T12620]  do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84)
[  457.569122][T12620]  ? exc_page_fault (arch/x86/mm/fault.c:1489 (discriminator 3) arch/x86/mm/fault.c:1536 (discriminator 3))
[  457.569124][T12620]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[  457.569127][T12620] RIP: 0033:0x7f07085af312
[  457.569129][T12620] 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)
[  457.569132][T12620] RSP: 002b:00007ffe1b10cff8 EFLAGS: 00000246 ORIG_RAX: 000000000000002c
[  457.569136][T12620] RAX: ffffffffffffffda RBX: 00007ffe1b10d128 RCX: 00007f07085af312
[  457.569138][T12620] RDX: 0000000000000028 RSI: 00007f07041dc810 RDI: 0000000000000023
[  457.569139][T12620] RBP: 00007ffe1b10d020 R08: 00007ffe1b10d1a0 R09: 000000000000000c
[  457.569140][T12620] R10: 0000000000000000 R11: 0000000000000246 R12: 00007f0706415fd0
[  457.569141][T12620] R13: 00007ffe1b10d128 R14: 00007f0707ece01a R15: 00007ffe1b10d518
| [  460.206518][T12728] softirqs last disabled at (0): 0x0
| [  460.206520][T12728] Preemption disabled at:
| [  460.206520][T12728] vprintk_emit (kernel/printk/printk.c:2471)
| [  460.206532][T12728] Tainted: [W]=WARN
[  460.206533][T12728] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[  460.206535][T12728] Call Trace:
[  460.206536][T12728]  <TASK>
[  460.206537][T12728]  dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120)
[  460.206544][T12728]  ? vprintk_emit (kernel/printk/printk.c:2471)
[  460.206545][T12728]  __might_resched.cold (kernel/sched/core.c:9234)
[  460.206549][T12728]  ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3))
[  460.206553][T12728]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  460.206555][T12728]  __kmalloc_noprof (./include/linux/sched/mm.h:322 (discriminator 2) mm/slub.c:4636 (discriminator 2) mm/slub.c:4974 (discriminator 2) mm/slub.c:5413 (discriminator 2) mm/slub.c:5439 (discriminator 2))
[  460.206559][T12728]  ? __rwlock_init (kernel/locking/spinlock_debug.c:48)
[  460.206562][T12728]  ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[  460.206567][T12728]  ? do_raw_spin_unlock (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:32 ./include/asm-generic/qspinlock.h:58 kernel/locking/spinlock_debug.c:101 kernel/locking/spinlock_debug.c:141)
[  460.206569][T12728]  alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[  460.206571][T12728]  put_chars (drivers/char/virtio_console.c:1176)
[  460.206574][T12728]  ? __send_to_port (drivers/char/virtio_console.c:654)
[  460.206577][T12728]  ? printk_get_next_message (kernel/printk/printk.c:3072)
[  460.206582][T12728]  hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2))
[  460.206588][T12728]  ? hvc_write (drivers/tty/hvc/hvc_console.c:501)
[  460.206591][T12728]  ? __rwlock_init (kernel/locking/spinlock_debug.c:48)
[  460.206594][T12728]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  460.206595][T12728]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  460.206598][T12728]  console_emit_next_record (kernel/printk/printk.c:3183)
[  460.206601][T12728]  ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20)
[  460.206603][T12728]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  460.206604][T12728]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  460.206606][T12728]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  460.206607][T12728]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  460.206609][T12728]  ? console_flush_one_record (kernel/printk/printk.c:3247)
[  460.206611][T12728]  console_flush_one_record (kernel/printk/printk.c:3268)
[  460.206613][T12728]  ? console_emit_next_record (kernel/printk/printk.c:3150)
[  460.206616][T12728]  console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420)
[  460.206618][T12728]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  460.206620][T12728]  ? console_flush_one_record (kernel/printk/printk.c:3316)
[  460.206622][T12728]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  460.206623][T12728]  ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22))
[  460.206624][T12728]  ? 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)
[  460.206626][T12728]  ? __rcu_read_lock (kernel/rcu/tree_plugin.h:391 (discriminator 6))
[  460.206627][T12728]  ? __down_trylock_console_sem (kernel/printk/printk.c:334)
[  460.206629][T12728]  ? vprintk_emit (kernel/printk/printk.c:2478)
[  460.206631][T12728]  vprintk_emit (kernel/printk/printk.c:2479)
[  460.206633][T12728]  ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126))
[  460.206634][T12728]  ? do_raw_spin_trylock (./include/linux/instrumented.h:55 ./include/linux/atomic/atomic-instrumented.h:1301 ./include/asm-generic/qspinlock.h:98 kernel/locking/spinlock_debug.c:123)
[  460.206636][T12728]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  460.206637][T12728]  ? genl_family_rcv_msg (net/netlink/genetlink.c:1194)
[  460.206641][T12728]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  460.206643][T12728]  _printk (kernel/printk/printk.c:2504)
[  460.206646][T12728]  ? snapshot_read.cold (user.c:?)
[  460.206648][T12728]  ? ___ratelimit (lib/ratelimit.c:97 (discriminator 3))
[  460.206652][T12728]  ? idr_get_free (??:?)
[  460.206654][T12728]  ? trace_irq_enable.constprop.0 (./include/linux/instrumented.h:82 ./include/asm-generic/bitops/instrumented-non-atomic.h:141 ./include/linux/cpumask.h:650 ./include/linux/cpumask.h:1232 ./include/trace/events/preemptirq.h:40)
[  460.206657][T12728]  validate_nla.cold (lib/nlattr.c:414 (discriminator 4))
[  460.206669][T12728]  ? nla_get_range_signed (lib/nlattr.c:270)
[  460.206673][T12728]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  460.206675][T12728]  ? trace_kmalloc (./include/trace/events/kmem.h:57 (discriminator 22))
[  460.206678][T12728]  __nla_validate_parse (lib/nlattr.c:635)
[  460.206681][T12728]  __nla_parse (lib/nlattr.c:732)
[  460.206683][T12728]  genl_family_rcv_msg_attrs_parse.isra.0 (./include/net/netlink.h:789 (discriminator 2) net/netlink/genetlink.c:944 (discriminator 2))
[  460.206686][T12728]  ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22))
[  460.206688][T12728]  genl_family_rcv_msg_doit (net/netlink/genetlink.c:1092)
[  460.206690][T12728]  ? genl_family_rcv_msg_attrs_parse.isra.0 (./include/net/netlink.h:785 (discriminator 2))
[  460.206694][T12728]  ? security_capable (security/security.c:660 (discriminator 11))
[  460.206697][T12728]  genl_family_rcv_msg (net/netlink/genetlink.c:1194)
[  460.206699][T12728]  ? genl_family_rcv_msg_dumpit (net/netlink/genetlink.c:1079)
[  460.206702][T12728]  ? ovs_dp_cmd_get (./include/net/net_namespace.h:422 (discriminator 7)) openvswitch
[  460.206709][T12728]  ? filter_irq_stacks (kernel/stacktrace.c:402)
[  460.206712][T12728]  ? stack_depot_save_flags (lib/stackdepot.c:609 lib/stackdepot.c:676)
[  460.206714][T12728]  genl_rcv_msg (net/netlink/genetlink.c:1209)
[  460.206717][T12728]  netlink_rcv_skb (net/netlink/af_netlink.c:2556)
[  460.206719][T12728]  ? genl_family_rcv_msg (net/netlink/genetlink.c:1136 (discriminator 2))
[  460.206721][T12728]  ? netlink_ack (./include/linux/skbuff.h:2718)
[  460.206724][T12728]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  460.206725][T12728]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  460.206726][T12728]  ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22))
[  460.206728][T12728]  genl_rcv (net/netlink/genetlink.c:1218)
[  460.206730][T12728]  netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[  460.206733][T12728]  ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[  460.206735][T12728]  netlink_sendmsg (net/netlink/af_netlink.c:1900)
[  460.206738][T12728]  ? netlink_unicast (./include/net/net_namespace.h:422 (discriminator 7))
[  460.206740][T12728]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  460.206742][T12728]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  460.206743][T12728]  __sock_sendmsg (net/socket.c:800 (discriminator 4) net/socket.c:815 (discriminator 4))
[  460.206746][T12728]  ? fdget (fs/file.c:1200 fs/file.c:1208)
[  460.206750][T12728]  __sys_sendto (net/socket.c:2281)
[  460.206752][T12728]  ? __ia32_sys_getpeername (net/socket.c:2235)
[  460.206756][T12728]  ? fput_close_sync (fs/file_table.c:617)
[  460.206759][T12728]  ? alloc_file_clone (fs/file_table.c:479)
[  460.206761][T12728]  __x64_sys_sendto (net/socket.c:2288 net/socket.c:2284 net/socket.c:2284)
[  460.206763][T12728]  ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22))
[  460.206765][T12728]  ? trace_hardirqs_off_finish (./include/trace/events/preemptirq.h:36 (discriminator 22) kernel/trace/trace_preemptirq.c:95 (discriminator 22) kernel/trace/trace_preemptirq.c:90 (discriminator 22))
[  460.206766][T12728]  ? trace_hardirqs_on (kernel/trace/trace_preemptirq.c:78)
[  460.206768][T12728]  do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84)
[  460.206770][T12728]  ? exc_page_fault (arch/x86/mm/fault.c:1489 (discriminator 3) arch/x86/mm/fault.c:1536 (discriminator 3))
[  460.206772][T12728]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[  460.206775][T12728] RIP: 0033:0x7fe7b4784312
[  460.206777][T12728] 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)
[  460.206778][T12728] RSP: 002b:00007ffdb7c92e48 EFLAGS: 00000246 ORIG_RAX: 000000000000002c
[  460.206782][T12728] RAX: ffffffffffffffda RBX: 00007ffdb7c92f78 RCX: 00007fe7b4784312
[  460.206784][T12728] RDX: 0000000000000044 RSI: 00007fe7b035f050 RDI: 0000000000000020
[  460.206785][T12728] RBP: 00007ffdb7c92e70 R08: 00007ffdb7c92ff0 R09: 000000000000000c
[  460.206786][T12728] R10: 0000000000000000 R11: 0000000000000246 R12: 00007fe7b25f20b0
[  460.206787][T12728] R13: 00007ffdb7c92f78 R14: 00007fe7b40a301a R15: 00007ffdb7c93368
| [  461.767273][T12785] softirqs last disabled at (0): 0x0
| [  461.767275][T12785] Preemption disabled at:
| [  461.767276][T12785] vprintk_emit (kernel/printk/printk.c:2471)
| [  461.767287][T12785] Tainted: [W]=WARN
[  461.767288][T12785] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[  461.767290][T12785] Call Trace:
[  461.767291][T12785]  <TASK>
[  461.767292][T12785]  dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120)
[  461.767299][T12785]  ? vprintk_emit (kernel/printk/printk.c:2471)
[  461.767300][T12785]  __might_resched.cold (kernel/sched/core.c:9234)
[  461.767304][T12785]  ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3))
[  461.767308][T12785]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  461.767311][T12785]  __kmalloc_noprof (./include/linux/sched/mm.h:322 (discriminator 2) mm/slub.c:4636 (discriminator 2) mm/slub.c:4974 (discriminator 2) mm/slub.c:5413 (discriminator 2) mm/slub.c:5439 (discriminator 2))
[  461.767314][T12785]  ? __rwlock_init (kernel/locking/spinlock_debug.c:48)
[  461.767317][T12785]  ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[  461.767323][T12785]  ? do_raw_spin_unlock (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:32 ./include/asm-generic/qspinlock.h:58 kernel/locking/spinlock_debug.c:101 kernel/locking/spinlock_debug.c:141)
[  461.767325][T12785]  alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[  461.767329][T12785]  put_chars (drivers/char/virtio_console.c:1176)
[  461.767331][T12785]  ? __send_to_port (drivers/char/virtio_console.c:654)
[  461.767333][T12785]  ? printk_get_next_message (kernel/printk/printk.c:3072)
[  461.767336][T12785]  ? console_prepend_replay (kernel/printk/printk.c:3005)
[  461.767339][T12785]  hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2))
[  461.767344][T12785]  ? hvc_write (drivers/tty/hvc/hvc_console.c:501)
[  461.767347][T12785]  ? __rwlock_init (kernel/locking/spinlock_debug.c:48)
[  461.767349][T12785]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  461.767351][T12785]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  461.767352][T12785]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  461.767355][T12785]  console_emit_next_record (kernel/printk/printk.c:3183)
[  461.767359][T12785]  ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20)
[  461.767361][T12785]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  461.767363][T12785]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  461.767364][T12785]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  461.767365][T12785]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  461.767368][T12785]  ? console_flush_one_record (kernel/printk/printk.c:3247)
[  461.767370][T12785]  console_flush_one_record (kernel/printk/printk.c:3268)
[  461.767373][T12785]  ? console_emit_next_record (kernel/printk/printk.c:3150)
[  461.767377][T12785]  console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420)
[  461.767379][T12785]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  461.767381][T12785]  ? console_flush_one_record (kernel/printk/printk.c:3316)
[  461.767383][T12785]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  461.767385][T12785]  ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22))
[  461.767387][T12785]  ? 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)
[  461.767389][T12785]  ? __rcu_read_lock (kernel/rcu/tree_plugin.h:391 (discriminator 6))
[  461.767391][T12785]  ? __down_trylock_console_sem (kernel/printk/printk.c:334)
[  461.767394][T12785]  ? vprintk_emit (kernel/printk/printk.c:2478)
[  461.767396][T12785]  vprintk_emit (kernel/printk/printk.c:2479)
[  461.767398][T12785]  ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126))
[  461.767401][T12785]  _printk (kernel/printk/printk.c:2504)
[  461.767405][T12785]  ? snapshot_read.cold (user.c:?)
[  461.767407][T12785]  ? rcu_read_lock_held (kernel/rcu/update.c:105 kernel/rcu/update.c:349)
[  461.767411][T12785]  ? netdev_upper_get_next_dev_rcu (net/core/dev.c:8213 (discriminator 1))
[  461.767416][T12785]  ? 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)
[  461.767417][T12785]  ? __netdev_update_features (net/core/dev.c:11078 (discriminator 2))
[  461.767419][T12785]  ? netdev_name (./include/linux/netdevice.h:5709 (discriminator 1))
[  461.767423][T12785]  ? __netdev_printk (net/core/dev.c:13148 (discriminator 2))
[  461.767425][T12785]  netdev_info (net/core/dev.c:13195 (discriminator 3))
[  461.767427][T12785]  ? netdev_notice (net/core/dev.c:13194)
[  461.767429][T12785]  ? ovs_netdev_link (net/openvswitch/vport-netdev.c:85) openvswitch
[  461.767438][T12785]  ? 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)
[  461.767439][T12785]  __dev_set_promiscuity.cold (net/core/dev.c:9672 (discriminator 3))
[  461.767442][T12785]  netif_set_promiscuity (net/core/dev.c:9699)
[  461.767445][T12785]  dev_set_promiscuity (net/core/dev_api.c:288)
[  461.767447][T12785]  ? dev_disable_lro (net/core/dev_api.c:267)
[  461.767449][T12785] ovs_netdev_link (net/openvswitch/vport-netdev.c:106) openvswitch
[  461.767454][T12785] ovs_vport_add (net/openvswitch/vport.c:209) openvswitch
[  461.767458][T12785]  ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22))
[  461.767460][T12785] new_vport (net/openvswitch/datapath.c:203) openvswitch
[  461.767465][T12785]  ? ovs_lookup_vport (net/openvswitch/datapath.c:190) openvswitch
[  461.767469][T12785] ovs_vport_cmd_new (net/openvswitch/datapath.c:2389) openvswitch
[  461.767474][T12785]  ? ovs_vport_cmd_fill_info.isra.0 (./include/net/netlink.h:1107 (discriminator 1)) openvswitch
[  461.767478][T12785]  ? __nla_validate_parse (lib/nlattr.c:635)
[  461.767483][T12785]  ? __nla_parse (lib/nlattr.c:732)
[  461.767485][T12785]  ? genl_family_rcv_msg_attrs_parse.isra.0 (./include/net/netlink.h:789 (discriminator 2) net/netlink/genetlink.c:944 (discriminator 2))
[  461.767490][T12785]  genl_family_rcv_msg_doit (net/netlink/genetlink.c:1114)
[  461.767492][T12785]  ? genl_family_rcv_msg_attrs_parse.isra.0 (./include/net/netlink.h:785 (discriminator 2))
[  461.767496][T12785]  ? security_capable (security/security.c:660 (discriminator 11))
[  461.767499][T12785]  genl_family_rcv_msg (net/netlink/genetlink.c:1194)
[  461.767502][T12785]  ? genl_family_rcv_msg_dumpit (net/netlink/genetlink.c:1079)
[  461.767504][T12785]  ? ovs_vport_cmd_fill_info.isra.0 (./include/net/netlink.h:1107 (discriminator 1)) openvswitch
[  461.767508][T12785]  ? filter_irq_stacks (kernel/stacktrace.c:402)
[  461.767511][T12785]  ? stack_depot_save_flags (lib/stackdepot.c:609 lib/stackdepot.c:676)
[  461.767514][T12785]  genl_rcv_msg (net/netlink/genetlink.c:1209)
[  461.767516][T12785]  netlink_rcv_skb (net/netlink/af_netlink.c:2556)
[  461.767519][T12785]  ? genl_family_rcv_msg (net/netlink/genetlink.c:1136 (discriminator 2))
[  461.767521][T12785]  ? netlink_ack (./include/linux/skbuff.h:2718)
[  461.767524][T12785]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  461.767526][T12785]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  461.767528][T12785]  ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22))
[  461.767530][T12785]  genl_rcv (net/netlink/genetlink.c:1218)
[  461.767532][T12785]  netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[  461.767535][T12785]  ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[  461.767537][T12785]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  461.767539][T12785]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  461.767540][T12785]  ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22))
[  461.767543][T12785]  netlink_sendmsg (net/netlink/af_netlink.c:1900)
[  461.767546][T12785]  ? netlink_unicast (./include/net/net_namespace.h:422 (discriminator 7))
[  461.767548][T12785]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  461.767550][T12785]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  461.767552][T12785]  __sock_sendmsg (net/socket.c:800 (discriminator 4) net/socket.c:815 (discriminator 4))
[  461.767555][T12785]  ? fdget (fs/file.c:1200 fs/file.c:1208)
[  461.767559][T12785]  __sys_sendto (net/socket.c:2281)
[  461.767561][T12785]  ? __ia32_sys_getpeername (net/socket.c:2235)
[  461.767563][T12785]  ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22))
[  461.767566][T12785]  ? do_futex (kernel/futex/syscalls.c:138)
[  461.767569][T12785]  ? __ia32_sys_get_robust_list (kernel/futex/syscalls.c:94)
[  461.767572][T12785]  ? xfd_validate_state (arch/x86/kernel/fpu/xstate.c:1497 (discriminator 1) arch/x86/kernel/fpu/xstate.c:1543 (discriminator 1))
[  461.767579][T12785]  __x64_sys_sendto (net/socket.c:2288 net/socket.c:2284 net/socket.c:2284)
[  461.767583][T12785]  ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22))
[  461.767587][T12785]  ? trace_hardirqs_off_finish (./include/trace/events/preemptirq.h:36 (discriminator 22) kernel/trace/trace_preemptirq.c:95 (discriminator 22) kernel/trace/trace_preemptirq.c:90 (discriminator 22))
[  461.767590][T12785]  ? trace_hardirqs_on (kernel/trace/trace_preemptirq.c:78)
[  461.767592][T12785]  do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84)
[  461.767597][T12785]  ? exc_page_fault (arch/x86/mm/fault.c:1489 (discriminator 3) arch/x86/mm/fault.c:1536 (discriminator 3))
[  461.767600][T12785]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[  461.767602][T12785] RIP: 0033:0x7ff83425b312
[  461.767604][T12785] 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)
[  461.767606][T12785] RSP: 002b:00007ffd7bd12f88 EFLAGS: 00000246 ORIG_RAX: 000000000000002c
[  461.767611][T12785] RAX: ffffffffffffffda RBX: 00007ffd7bd130b8 RCX: 00007ff83425b312
[  461.767613][T12785] RDX: 0000000000000038 RSI: 00007ff830527cb0 RDI: 0000000000000023
[  461.767614][T12785] RBP: 00007ffd7bd12fb0 R08: 00007ffd7bd13130 R09: 000000000000000c
[  461.767615][T12785] R10: 0000000000000000 R11: 0000000000000246 R12: 00007ff8320c2190
[  461.767616][T12785] R13: 00007ffd7bd130b8 R14: 00007ff833b7a01a R15: 00007ffd7bd134a8
| [  468.770585][   T71] softirqs last disabled at (8660322): __fib6_clean_all (./include/linux/spinlock.h:353 net/ipv6/ip6_fib.c:2323)
| [  468.770589][   T71] Preemption disabled at:
| [  468.770590][   T71] vprintk_emit (kernel/printk/printk.c:2471)
| [  468.770602][   T71] Tainted: [W]=WARN
[  468.770603][   T71] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[  468.770606][   T71] Workqueue: netns cleanup_net
[  468.770612][   T71] Call Trace:
[  468.770614][   T71]  <TASK>
[  468.770615][   T71]  dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120)
[  468.770621][   T71]  ? vprintk_emit (kernel/printk/printk.c:2471)
[  468.770623][   T71]  __might_resched.cold (kernel/sched/core.c:9234)
[  468.770627][   T71]  ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3))
[  468.770631][   T71]  ? prb_next_reserve_seq (kernel/printk/printk_ringbuffer.c:2128)
[  468.770633][   T71]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  468.770636][   T71]  __kmalloc_noprof (./include/linux/sched/mm.h:322 (discriminator 2) mm/slub.c:4636 (discriminator 2) mm/slub.c:4974 (discriminator 2) mm/slub.c:5413 (discriminator 2) mm/slub.c:5439 (discriminator 2))
[  468.770639][   T71]  ? __rwlock_init (kernel/locking/spinlock_debug.c:48)
[  468.770643][   T71]  ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[  468.770648][   T71]  ? do_raw_spin_unlock (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:32 ./include/asm-generic/qspinlock.h:58 kernel/locking/spinlock_debug.c:101 kernel/locking/spinlock_debug.c:141)
[  468.770650][   T71]  alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[  468.770653][   T71]  put_chars (drivers/char/virtio_console.c:1176)
[  468.770654][   T71]  ? prb_final_commit (kernel/printk/printk_ringbuffer.c:1842)
[  468.770656][   T71]  ? __send_to_port (drivers/char/virtio_console.c:654)
[  468.770658][   T71]  ? printk_get_next_message (kernel/printk/printk.c:3072)
[  468.770661][   T71]  hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2))
[  468.770669][   T71]  ? hvc_write (drivers/tty/hvc/hvc_console.c:501)
[  468.770671][   T71]  ? 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)
[  468.770673][   T71]  ? vsnprintf (lib/vsprintf.c:2953 (discriminator 1))
[  468.770676][   T71]  ? __rwlock_init (kernel/locking/spinlock_debug.c:48)
[  468.770678][   T71]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  468.770679][   T71]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  468.770682][   T71]  console_emit_next_record (kernel/printk/printk.c:3183)
[  468.770685][   T71]  ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20)
[  468.770688][   T71]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  468.770689][   T71]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  468.770690][   T71]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  468.770691][   T71]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  468.770694][   T71]  ? console_flush_one_record (kernel/printk/printk.c:3247)
[  468.770696][   T71]  console_flush_one_record (kernel/printk/printk.c:3268)
[  468.770698][   T71]  ? console_emit_next_record (kernel/printk/printk.c:3150)
[  468.770701][   T71]  console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420)
[  468.770704][   T71]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  468.770706][   T71]  ? console_flush_one_record (kernel/printk/printk.c:3316)
[  468.770708][   T71]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  468.770709][   T71]  ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22))
[  468.770711][   T71]  ? 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)
[  468.770713][   T71]  ? __rcu_read_lock (kernel/rcu/tree_plugin.h:391 (discriminator 6))
[  468.770714][   T71]  ? __down_trylock_console_sem (kernel/printk/printk.c:334)
[  468.770717][   T71]  ? vprintk_emit (kernel/printk/printk.c:2478)
[  468.770718][   T71]  vprintk_emit (kernel/printk/printk.c:2479)
[  468.770720][   T71]  ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126))
[  468.770722][   T71]  ? net_disable_timestamp (./include/linux/workqueue.h:761)
[  468.770724][   T71]  ? net_generic (./include/linux/rcupdate.h:882 ./include/net/netns/generic.h:48) vxlan
[  468.770732][   T71]  _printk (kernel/printk/printk.c:2504)
[  468.770736][   T71]  ? snapshot_read.cold (user.c:?)
[  468.770739][   T71]  ? netdev_name (./include/linux/netdevice.h:5709 (discriminator 1))
[  468.770743][   T71]  ? __netdev_printk (net/core/dev.c:13148 (discriminator 2))
[  468.770745][   T71]  netdev_info (net/core/dev.c:13195 (discriminator 3))
[  468.770748][   T71]  ? netdev_notice (net/core/dev.c:13194)
[  468.770749][   T71]  ? __netdev_upper_dev_unlink (net/core/dev.c:9094)
[  468.770753][   T71]  ? synchronize_rcu_expedited (kernel/rcu/tree_exp.h:985)
[  468.770756][   T71]  ? 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)
[  468.770758][   T71]  __dev_set_promiscuity.cold (net/core/dev.c:9672 (discriminator 3))
[  468.770760][   T71]  netif_set_promiscuity (net/core/dev.c:9699)
[  468.770763][   T71]  dev_set_promiscuity (net/core/dev_api.c:288)
[  468.770765][   T71]  ? rtnl_is_locked (net/core/rtnetlink.c:169)
[  468.770769][   T71] ovs_netdev_detach_dev (net/openvswitch/vport-netdev.c:174) openvswitch
[  468.770775][   T71] dp_device_event (net/openvswitch/dp_notify.c:74) openvswitch
[  468.770780][   T71]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  468.770782][   T71]  notifier_call_chain (kernel/notifier.c:85)
[  468.770785][   T71]  unregister_netdevice_many_notify (net/core/dev.c:2313 net/core/dev.c:2327 net/core/dev.c:12518)
[  468.770788][   T71]  ? unregister_netdevice_queued (./include/linux/list.h:419 (discriminator 3))
[  468.770789][   T71]  ? get_rps_cpu (net/core/dev.c:5240)
[  468.770792][   T71]  default_device_exit_batch (net/core/dev.c:12589 net/core/dev.c:13288)
[  468.770794][   T71]  ? __mutex_unlock_slowpath (./include/linux/preempt.h:500 (discriminator 1) kernel/locking/mutex.c:999 (discriminator 1))
[  468.770795][   T71]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  468.770797][   T71]  ? unregister_netdevice_queue (./include/linux/list.h:173)
[  468.770799][   T71]  ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3))
[  468.770801][   T71]  ? fou_exit_net (net/ipv4/fou_core.c:1228)
[  468.770804][   T71]  ops_undo_list (net/core/net_namespace.c:206 net/core/net_namespace.c:253)
[  468.770806][   T71]  ? netns_install (./include/linux/ns_common.h:26)
[  468.770808][   T71]  ? idr_destroy (lib/radix-tree.c:310 lib/radix-tree.c:674 lib/radix-tree.c:1563)
[  468.770811][   T71]  cleanup_net (net/core/net_namespace.c:706)
[  468.770813][   T71]  ? net_passive_dec (./include/linux/llist.h:241)
[  468.770816][   T71]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  468.770818][   T71]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  468.770820][   T71]  process_one_work (kernel/workqueue.c:3387)
[  468.770824][   T71]  ? __queue_delayed_work (kernel/workqueue.c:2622)
[  468.770826][   T71]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[  468.770829][   T71]  ? __rwlock_init (kernel/locking/spinlock_debug.c:48)
[  468.770831][   T71]  worker_thread (kernel/workqueue.c:3470 kernel/workqueue.c:3551)
[  468.770834][   T71]  ? rescuer_thread (./include/linux/list.h:419 (discriminator 3))
[  468.770836][   T71]  ? __kthread_parkme (./include/linux/instrumented.h:82 ./include/asm-generic/bitops/instrumented-non-atomic.h:141 kernel/kthread.c:272)
[  468.770838][   T71]  ? rescuer_thread (./include/linux/list.h:419 (discriminator 3))
[  468.770840][   T71]  ? rescuer_thread (./include/linux/list.h:419 (discriminator 3))
[  468.770842][   T71]  kthread (kernel/kthread.c:436)
[  468.770844][   T71]  ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22))
[  468.770847][   T71]  ? kthread_affine_preferred (kernel/kthread.c:857)
[  468.770849][   T71]  ret_from_fork (arch/x86/kernel/process.c:158)
[  468.770852][   T71]  ? arch_exit_to_user_mode_prepare.isra.0 (arch/x86/entry/vdso/vma.c:80 (discriminator 1))
[  468.770855][   T71]  ? __switch_to (arch/x86/kernel/process_64.c:403 arch/x86/kernel/process_64.c:663)
[  468.770857][   T71]  ? kthread_affine_preferred (kernel/kthread.c:857)
[  468.770859][   T71]  ret_from_fork_asm (arch/x86/entry/entry_64.S:245)
| [  470.081271][T12998] softirqs last disabled at (0): 0x0
| [  470.081273][T12998] Preemption disabled at:
| [  470.081274][T12998] vprintk_emit (kernel/printk/printk.c:2471)
| [  470.081285][T12998] Tainted: [W]=WARN
[  470.081286][T12998] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[  470.081288][T12998] Call Trace:
[  470.081290][T12998]  <TASK>
[  470.081291][T12998]  dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120)
[  470.081297][T12998]  ? vprintk_emit (kernel/printk/printk.c:2471)
[  470.081299][T12998]  __might_resched.cold (kernel/sched/core.c:9234)
[  470.081303][T12998]  ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3))
[  470.081306][T12998]  ? __asan_memcpy (mm/kasan/shadow.c:106 (discriminator 1))
[  470.081310][T12998]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  470.081313][T12998]  __kmalloc_noprof (./include/linux/sched/mm.h:322 (discriminator 2) mm/slub.c:4636 (discriminator 2) mm/slub.c:4974 (discriminator 2) mm/slub.c:5413 (discriminator 2) mm/slub.c:5439 (discriminator 2))
[  470.081315][T12998]  ? __rwlock_init (kernel/locking/spinlock_debug.c:48)
[  470.081319][T12998]  ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[  470.081324][T12998]  ? do_raw_spin_unlock (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:32 ./include/asm-generic/qspinlock.h:58 kernel/locking/spinlock_debug.c:101 kernel/locking/spinlock_debug.c:141)
[  470.081326][T12998]  alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[  470.081328][T12998]  put_chars (drivers/char/virtio_console.c:1176)
[  470.081330][T12998]  ? __send_to_port (drivers/char/virtio_console.c:654)
[  470.081332][T12998]  ? console_prepend_replay (kernel/printk/printk.c:3005)
[  470.081335][T12998]  ? __schedule (kernel/sched/core.c:7277)
[  470.081339][T12998]  hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2))
[  470.081344][T12998]  ? hvc_write (drivers/tty/hvc/hvc_console.c:501)
[  470.081346][T12998]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  470.081347][T12998]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  470.081350][T12998]  console_emit_next_record (kernel/printk/printk.c:3183)
[  470.081353][T12998]  ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20)
[  470.081355][T12998]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  470.081357][T12998]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  470.081359][T12998]  ? console_flush_one_record (kernel/printk/printk.c:3247)
[  470.081361][T12998]  console_flush_one_record (kernel/printk/printk.c:3268)
[  470.081363][T12998]  ? console_emit_next_record (kernel/printk/printk.c:3150)
[  470.081366][T12998]  console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420)
[  470.081368][T12998]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  470.081369][T12998]  ? console_flush_one_record (kernel/printk/printk.c:3316)
[  470.081371][T12998]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  470.081372][T12998]  ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22))
[  470.081374][T12998]  ? 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)
[  470.081375][T12998]  ? __rcu_read_lock (kernel/rcu/tree_plugin.h:391 (discriminator 6))
[  470.081377][T12998]  ? __down_trylock_console_sem (kernel/printk/printk.c:334)
[  470.081379][T12998]  ? vprintk_emit (kernel/printk/printk.c:2478)
[  470.081381][T12998]  vprintk_emit (kernel/printk/printk.c:2479)
[  470.081383][T12998]  ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126))
[  470.081384][T12998]  ? net_disable_timestamp (./include/linux/workqueue.h:761)
[  470.081387][T12998]  ? net_generic (./include/linux/rcupdate.h:882 ./include/net/netns/generic.h:48) vxlan
[  470.081395][T12998]  _printk (kernel/printk/printk.c:2504)
[  470.081398][T12998]  ? snapshot_read.cold (user.c:?)
[  470.081400][T12998]  ? netdev_name (./include/linux/netdevice.h:5709 (discriminator 1))
[  470.081404][T12998]  ? __netdev_printk (net/core/dev.c:13148 (discriminator 2))
[  470.081406][T12998]  netdev_info (net/core/dev.c:13195 (discriminator 3))
[  470.081408][T12998]  ? netdev_notice (net/core/dev.c:13194)
[  470.081410][T12998]  ? __netdev_upper_dev_unlink (net/core/dev.c:9094)
[  470.081413][T12998]  ? synchronize_rcu_expedited (kernel/rcu/tree_exp.h:985)
[  470.081416][T12998]  ? 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)
[  470.081417][T12998]  __dev_set_promiscuity.cold (net/core/dev.c:9672 (discriminator 3))
[  470.081420][T12998]  netif_set_promiscuity (net/core/dev.c:9699)
[  470.081423][T12998]  dev_set_promiscuity (net/core/dev_api.c:288)
[  470.081425][T12998]  ? rtnl_is_locked (net/core/rtnetlink.c:169)
[  470.081428][T12998] ovs_netdev_detach_dev (net/openvswitch/vport-netdev.c:174) openvswitch
[  470.081434][T12998]  ? netdev_destroy (net/openvswitch/vport-netdev.c:189) openvswitch
[  470.081437][T12998] netdev_destroy (net/openvswitch/vport-netdev.c:194) openvswitch
[  470.081442][T12998] ovs_vport_cmd_del (net/openvswitch/datapath.c:2505) openvswitch
[  470.081448][T12998]  genl_family_rcv_msg_doit (net/netlink/genetlink.c:1114)
[  470.081451][T12998]  ? genl_family_rcv_msg_attrs_parse.isra.0 (./include/net/netlink.h:785 (discriminator 2))
[  470.081455][T12998]  ? security_capable (security/security.c:660 (discriminator 11))
[  470.081458][T12998]  genl_family_rcv_msg (net/netlink/genetlink.c:1194)
[  470.081461][T12998]  ? genl_family_rcv_msg_dumpit (net/netlink/genetlink.c:1079)
[  470.081463][T12998]  ? ovs_dp_detach_port (./include/linux/list.h:1047 (discriminator 2)) openvswitch
[  470.081467][T12998]  ? filter_irq_stacks (kernel/stacktrace.c:402)
[  470.081470][T12998]  ? stack_depot_save_flags (lib/stackdepot.c:609 lib/stackdepot.c:676)
[  470.081474][T12998]  genl_rcv_msg (net/netlink/genetlink.c:1209)
[  470.081476][T12998]  netlink_rcv_skb (net/netlink/af_netlink.c:2556)
[  470.081478][T12998]  ? genl_family_rcv_msg (net/netlink/genetlink.c:1136 (discriminator 2))
[  470.081480][T12998]  ? netlink_ack (./include/linux/skbuff.h:2718)
[  470.081483][T12998]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  470.081485][T12998]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  470.081486][T12998]  ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22))
[  470.081489][T12998]  genl_rcv (net/netlink/genetlink.c:1218)
[  470.081490][T12998]  netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[  470.081493][T12998]  ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[  470.081495][T12998]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  470.081497][T12998]  netlink_sendmsg (net/netlink/af_netlink.c:1900)
[  470.081499][T12998]  ? netlink_unicast (./include/net/net_namespace.h:422 (discriminator 7))
[  470.081501][T12998]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  470.081503][T12998]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  470.081504][T12998]  __sock_sendmsg (net/socket.c:800 (discriminator 4) net/socket.c:815 (discriminator 4))
[  470.081507][T12998]  ? fdget (fs/file.c:1200 fs/file.c:1208)
[  470.081510][T12998]  __sys_sendto (net/socket.c:2281)
[  470.081513][T12998]  ? __ia32_sys_getpeername (net/socket.c:2235)
[  470.081517][T12998]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  470.081518][T12998]  ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22))
[  470.081521][T12998]  __x64_sys_sendto (net/socket.c:2288 net/socket.c:2284 net/socket.c:2284)
[  470.081523][T12998]  ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22))
[  470.081526][T12998]  ? trace_hardirqs_off_finish (./include/trace/events/preemptirq.h:36 (discriminator 22) kernel/trace/trace_preemptirq.c:95 (discriminator 22) kernel/trace/trace_preemptirq.c:90 (discriminator 22))
[  470.081527][T12998]  ? trace_hardirqs_on (kernel/trace/trace_preemptirq.c:78)
[  470.081529][T12998]  do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84)
[  470.081532][T12998]  ? exc_page_fault (arch/x86/mm/fault.c:1489 (discriminator 3) arch/x86/mm/fault.c:1536 (discriminator 3))
[  470.081534][T12998]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[  470.081536][T12998] RIP: 0033:0x7ff5e3b12312
[  470.081538][T12998] 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)
[  470.081540][T12998] RSP: 002b:00007ffdf6c85d08 EFLAGS: 00000246 ORIG_RAX: 000000000000002c
[  470.081544][T12998] RAX: ffffffffffffffda RBX: 00007ffdf6c85e38 RCX: 00007ff5e3b12312
[  470.081545][T12998] RDX: 0000000000000028 RSI: 00007ff5e32fc810 RDI: 0000000000000023
[  470.081546][T12998] RBP: 00007ffdf6c85d30 R08: 00007ffdf6c85eb0 R09: 000000000000000c
[  470.081547][T12998] R10: 0000000000000000 R11: 0000000000000246 R12: 00007ff5e1975fd0
[  470.081548][T12998] R13: 00007ffdf6c85e38 R14: 00007ff5e343101a R15: 00007ffdf6c86228
| [  472.851531][T13118] softirqs last disabled at (0): 0x0
| [  472.851533][T13118] Preemption disabled at:
| [  472.851534][T13118] vprintk_emit (kernel/printk/printk.c:2471)
| [  472.851544][T13118] Tainted: [W]=WARN
[  472.851545][T13118] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[  472.851547][T13118] Call Trace:
[  472.851549][T13118]  <TASK>
[  472.851550][T13118]  dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120)
[  472.851557][T13118]  ? vprintk_emit (kernel/printk/printk.c:2471)
[  472.851558][T13118]  __might_resched.cold (kernel/sched/core.c:9234)
[  472.851562][T13118]  ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3))
[  472.851566][T13118]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  472.851569][T13118]  __kmalloc_noprof (./include/linux/sched/mm.h:322 (discriminator 2) mm/slub.c:4636 (discriminator 2) mm/slub.c:4974 (discriminator 2) mm/slub.c:5413 (discriminator 2) mm/slub.c:5439 (discriminator 2))
[  472.851572][T13118]  ? __rwlock_init (kernel/locking/spinlock_debug.c:48)
[  472.851577][T13118]  ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[  472.851583][T13118]  ? do_raw_spin_unlock (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:32 ./include/asm-generic/qspinlock.h:58 kernel/locking/spinlock_debug.c:101 kernel/locking/spinlock_debug.c:141)
[  472.851586][T13118]  alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[  472.851590][T13118]  put_chars (drivers/char/virtio_console.c:1176)
[  472.851592][T13118]  ? __send_to_port (drivers/char/virtio_console.c:654)
[  472.851594][T13118]  ? printk_get_next_message (kernel/printk/printk.c:3072)
[  472.851597][T13118]  hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2))
[  472.851602][T13118]  ? hvc_write (drivers/tty/hvc/hvc_console.c:501)
[  472.851604][T13118]  ? __rwlock_init (kernel/locking/spinlock_debug.c:48)
[  472.851606][T13118]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  472.851608][T13118]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  472.851610][T13118]  console_emit_next_record (kernel/printk/printk.c:3183)
[  472.851613][T13118]  ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20)
[  472.851616][T13118]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  472.851617][T13118]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  472.851618][T13118]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  472.851619][T13118]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  472.851621][T13118]  ? console_flush_one_record (kernel/printk/printk.c:3247)
[  472.851623][T13118]  console_flush_one_record (kernel/printk/printk.c:3268)
[  472.851625][T13118]  ? console_emit_next_record (kernel/printk/printk.c:3150)
[  472.851628][T13118]  console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420)
[  472.851630][T13118]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  472.851632][T13118]  ? console_flush_one_record (kernel/printk/printk.c:3316)
[  472.851634][T13118]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  472.851635][T13118]  ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22))
[  472.851636][T13118]  ? 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)
[  472.851638][T13118]  ? __rcu_read_lock (kernel/rcu/tree_plugin.h:391 (discriminator 6))
[  472.851639][T13118]  ? __down_trylock_console_sem (kernel/printk/printk.c:334)
[  472.851641][T13118]  ? vprintk_emit (kernel/printk/printk.c:2478)
[  472.851643][T13118]  vprintk_emit (kernel/printk/printk.c:2479)
[  472.851645][T13118]  ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126))
[  472.851646][T13118]  ? do_raw_spin_trylock (./include/linux/instrumented.h:55 ./include/linux/atomic/atomic-instrumented.h:1301 ./include/asm-generic/qspinlock.h:98 kernel/locking/spinlock_debug.c:123)
[  472.851648][T13118]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  472.851649][T13118]  ? genl_family_rcv_msg (net/netlink/genetlink.c:1194)
[  472.851653][T13118]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  472.851655][T13118]  _printk (kernel/printk/printk.c:2504)
[  472.851658][T13118]  ? snapshot_read.cold (user.c:?)
[  472.851660][T13118]  ? ___ratelimit (lib/ratelimit.c:97 (discriminator 3))
[  472.851668][T13118]  ? idr_get_free (??:?)
[  472.851670][T13118]  ? trace_irq_enable.constprop.0 (./include/linux/instrumented.h:82 ./include/asm-generic/bitops/instrumented-non-atomic.h:141 ./include/linux/cpumask.h:650 ./include/linux/cpumask.h:1232 ./include/trace/events/preemptirq.h:40)
[  472.851673][T13118]  validate_nla.cold (lib/nlattr.c:414 (discriminator 4))
[  472.851681][T13118]  ? nla_get_range_signed (lib/nlattr.c:270)
[  472.851685][T13118]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  472.851686][T13118]  ? trace_kmalloc (./include/trace/events/kmem.h:57 (discriminator 22))
[  472.851689][T13118]  __nla_validate_parse (lib/nlattr.c:635)
[  472.851692][T13118]  __nla_parse (lib/nlattr.c:732)
[  472.851695][T13118]  genl_family_rcv_msg_attrs_parse.isra.0 (./include/net/netlink.h:789 (discriminator 2) net/netlink/genetlink.c:944 (discriminator 2))
[  472.851697][T13118]  ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22))
[  472.851699][T13118]  genl_family_rcv_msg_doit (net/netlink/genetlink.c:1092)
[  472.851701][T13118]  ? genl_family_rcv_msg_attrs_parse.isra.0 (./include/net/netlink.h:785 (discriminator 2))
[  472.851705][T13118]  ? security_capable (security/security.c:660 (discriminator 11))
[  472.851708][T13118]  genl_family_rcv_msg (net/netlink/genetlink.c:1194)
[  472.851710][T13118]  ? genl_family_rcv_msg_dumpit (net/netlink/genetlink.c:1079)
[  472.851713][T13118]  ? ovs_dp_cmd_get (./include/net/net_namespace.h:422 (discriminator 7)) openvswitch
[  472.851720][T13118]  ? filter_irq_stacks (kernel/stacktrace.c:402)
[  472.851724][T13118]  ? stack_depot_save_flags (lib/stackdepot.c:609 lib/stackdepot.c:676)
[  472.851726][T13118]  genl_rcv_msg (net/netlink/genetlink.c:1209)
[  472.851728][T13118]  netlink_rcv_skb (net/netlink/af_netlink.c:2556)
[  472.851730][T13118]  ? genl_family_rcv_msg (net/netlink/genetlink.c:1136 (discriminator 2))
[  472.851732][T13118]  ? netlink_ack (./include/linux/skbuff.h:2718)
[  472.851735][T13118]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  472.851737][T13118]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  472.851738][T13118]  ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22))
[  472.851741][T13118]  genl_rcv (net/netlink/genetlink.c:1218)
[  472.851742][T13118]  netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[  472.851745][T13118]  ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[  472.851748][T13118]  netlink_sendmsg (net/netlink/af_netlink.c:1900)
[  472.851750][T13118]  ? netlink_unicast (./include/net/net_namespace.h:422 (discriminator 7))
[  472.851752][T13118]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  472.851754][T13118]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  472.851756][T13118]  __sock_sendmsg (net/socket.c:800 (discriminator 4) net/socket.c:815 (discriminator 4))
[  472.851759][T13118]  ? fdget (fs/file.c:1200 fs/file.c:1208)
[  472.851762][T13118]  __sys_sendto (net/socket.c:2281)
[  472.851764][T13118]  ? __ia32_sys_getpeername (net/socket.c:2235)
[  472.851768][T13118]  ? fput_close_sync (fs/file_table.c:617)
[  472.851771][T13118]  ? alloc_file_clone (fs/file_table.c:479)
[  472.851774][T13118]  __x64_sys_sendto (net/socket.c:2288 net/socket.c:2284 net/socket.c:2284)
[  472.851776][T13118]  ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22))
[  472.851777][T13118]  ? trace_hardirqs_off_finish (./include/trace/events/preemptirq.h:36 (discriminator 22) kernel/trace/trace_preemptirq.c:95 (discriminator 22) kernel/trace/trace_preemptirq.c:90 (discriminator 22))
[  472.851779][T13118]  ? trace_hardirqs_on (kernel/trace/trace_preemptirq.c:78)
[  472.851780][T13118]  do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84)
[  472.851783][T13118]  ? exc_page_fault (arch/x86/mm/fault.c:1489 (discriminator 3) arch/x86/mm/fault.c:1536 (discriminator 3))
[  472.851785][T13118]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[  472.851787][T13118] RIP: 0033:0x7f235a36e312
[  472.851789][T13118] 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)
[  472.851791][T13118] RSP: 002b:00007ffec644c918 EFLAGS: 00000246 ORIG_RAX: 000000000000002c
[  472.851795][T13118] RAX: ffffffffffffffda RBX: 00007ffec644ca48 RCX: 00007f235a36e312
[  472.851797][T13118] RDX: 0000000000000044 RSI: 00007f23580db1e0 RDI: 0000000000000020
[  472.851798][T13118] RBP: 00007ffec644c940 R08: 00007ffec644cac0 R09: 000000000000000c
[  472.851799][T13118] R10: 0000000000000000 R11: 0000000000000246 R12: 00007f23581d20b0
[  472.851800][T13118] R13: 00007ffec644ca48 R14: 00007f2359c8d01a R15: 00007ffec644ce38
| [  474.420484][T13175] softirqs last disabled at (0): 0x0
| [  474.420486][T13175] Preemption disabled at:
| [  474.420487][T13175] vprintk_emit (kernel/printk/printk.c:2471)
| [  474.420498][T13175] Tainted: [W]=WARN
[  474.420500][T13175] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[  474.420502][T13175] Call Trace:
[  474.420503][T13175]  <TASK>
[  474.420505][T13175]  dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120)
[  474.420511][T13175]  ? vprintk_emit (kernel/printk/printk.c:2471)
[  474.420512][T13175]  __might_resched.cold (kernel/sched/core.c:9234)
[  474.420516][T13175]  ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3))
[  474.420520][T13175]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  474.420523][T13175]  __kmalloc_noprof (./include/linux/sched/mm.h:322 (discriminator 2) mm/slub.c:4636 (discriminator 2) mm/slub.c:4974 (discriminator 2) mm/slub.c:5413 (discriminator 2) mm/slub.c:5439 (discriminator 2))
[  474.420526][T13175]  ? __rwlock_init (kernel/locking/spinlock_debug.c:48)
[  474.420529][T13175]  ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[  474.420534][T13175]  ? do_raw_spin_unlock (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:32 ./include/asm-generic/qspinlock.h:58 kernel/locking/spinlock_debug.c:101 kernel/locking/spinlock_debug.c:141)
[  474.420536][T13175]  alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[  474.420539][T13175]  put_chars (drivers/char/virtio_console.c:1176)
[  474.420541][T13175]  ? __send_to_port (drivers/char/virtio_console.c:654)
[  474.420543][T13175]  ? printk_get_next_message (kernel/printk/printk.c:3072)
[  474.420546][T13175]  ? console_prepend_replay (kernel/printk/printk.c:3005)
[  474.420548][T13175]  hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2))
[  474.420554][T13175]  ? hvc_write (drivers/tty/hvc/hvc_console.c:501)
[  474.420556][T13175]  ? __rwlock_init (kernel/locking/spinlock_debug.c:48)
[  474.420558][T13175]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  474.420559][T13175]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  474.420560][T13175]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  474.420563][T13175]  console_emit_next_record (kernel/printk/printk.c:3183)
[  474.420566][T13175]  ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20)
[  474.420568][T13175]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  474.420569][T13175]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  474.420570][T13175]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  474.420572][T13175]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  474.420575][T13175]  ? console_flush_one_record (kernel/printk/printk.c:3247)
[  474.420579][T13175]  console_flush_one_record (kernel/printk/printk.c:3268)
[  474.420585][T13175]  ? console_emit_next_record (kernel/printk/printk.c:3150)
[  474.420591][T13175]  console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420)
[  474.420594][T13175]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  474.420598][T13175]  ? console_flush_one_record (kernel/printk/printk.c:3316)
[  474.420601][T13175]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  474.420603][T13175]  ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22))
[  474.420606][T13175]  ? 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)
[  474.420608][T13175]  ? __rcu_read_lock (kernel/rcu/tree_plugin.h:391 (discriminator 6))
[  474.420610][T13175]  ? __down_trylock_console_sem (kernel/printk/printk.c:334)
[  474.420612][T13175]  ? vprintk_emit (kernel/printk/printk.c:2478)
[  474.420614][T13175]  vprintk_emit (kernel/printk/printk.c:2479)
[  474.420616][T13175]  ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126))
[  474.420619][T13175]  _printk (kernel/printk/printk.c:2504)
[  474.420622][T13175]  ? snapshot_read.cold (user.c:?)
[  474.420624][T13175]  ? rcu_read_lock_held (kernel/rcu/update.c:105 kernel/rcu/update.c:349)
[  474.420627][T13175]  ? netdev_upper_get_next_dev_rcu (net/core/dev.c:8213 (discriminator 1))
[  474.420631][T13175]  ? 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)
[  474.420633][T13175]  ? __netdev_update_features (net/core/dev.c:11078 (discriminator 2))
[  474.420635][T13175]  ? netdev_name (./include/linux/netdevice.h:5709 (discriminator 1))
[  474.420638][T13175]  ? __netdev_printk (net/core/dev.c:13148 (discriminator 2))
[  474.420640][T13175]  netdev_info (net/core/dev.c:13195 (discriminator 3))
[  474.420642][T13175]  ? netdev_notice (net/core/dev.c:13194)
[  474.420644][T13175]  ? ovs_netdev_link (net/openvswitch/vport-netdev.c:85) openvswitch
[  474.420653][T13175]  ? 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)
[  474.420655][T13175]  __dev_set_promiscuity.cold (net/core/dev.c:9672 (discriminator 3))
[  474.420657][T13175]  netif_set_promiscuity (net/core/dev.c:9699)
[  474.420660][T13175]  dev_set_promiscuity (net/core/dev_api.c:288)
[  474.420665][T13175]  ? dev_disable_lro (net/core/dev_api.c:267)
[  474.420667][T13175] ovs_netdev_link (net/openvswitch/vport-netdev.c:106) openvswitch
[  474.420672][T13175] ovs_vport_add (net/openvswitch/vport.c:209) openvswitch
[  474.420676][T13175]  ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22))
[  474.420678][T13175] new_vport (net/openvswitch/datapath.c:203) openvswitch
[  474.420683][T13175]  ? ovs_lookup_vport (net/openvswitch/datapath.c:190) openvswitch
[  474.420688][T13175] ovs_vport_cmd_new (net/openvswitch/datapath.c:2389) openvswitch
[  474.420693][T13175]  ? ovs_vport_cmd_fill_info.isra.0 (./include/net/netlink.h:1107 (discriminator 1)) openvswitch
[  474.420696][T13175]  ? __nla_validate_parse (lib/nlattr.c:635)
[  474.420702][T13175]  ? __nla_parse (lib/nlattr.c:732)
[  474.420704][T13175]  ? genl_family_rcv_msg_attrs_parse.isra.0 (./include/net/netlink.h:789 (discriminator 2) net/netlink/genetlink.c:944 (discriminator 2))
[  474.420709][T13175]  genl_family_rcv_msg_doit (net/netlink/genetlink.c:1114)
[  474.420712][T13175]  ? genl_family_rcv_msg_attrs_parse.isra.0 (./include/net/netlink.h:785 (discriminator 2))
[  474.420716][T13175]  ? security_capable (security/security.c:660 (discriminator 11))
[  474.420720][T13175]  genl_family_rcv_msg (net/netlink/genetlink.c:1194)
[  474.420722][T13175]  ? genl_family_rcv_msg_dumpit (net/netlink/genetlink.c:1079)
[  474.420725][T13175]  ? ovs_vport_cmd_fill_info.isra.0 (./include/net/netlink.h:1107 (discriminator 1)) openvswitch
[  474.420729][T13175]  ? filter_irq_stacks (kernel/stacktrace.c:402)
[  474.420733][T13175]  ? stack_depot_save_flags (lib/stackdepot.c:609 lib/stackdepot.c:676)
[  474.420735][T13175]  genl_rcv_msg (net/netlink/genetlink.c:1209)
[  474.420738][T13175]  netlink_rcv_skb (net/netlink/af_netlink.c:2556)
[  474.420740][T13175]  ? genl_family_rcv_msg (net/netlink/genetlink.c:1136 (discriminator 2))
[  474.420742][T13175]  ? netlink_ack (./include/linux/skbuff.h:2718)
[  474.420745][T13175]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  474.420747][T13175]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  474.420749][T13175]  ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22))
[  474.420751][T13175]  genl_rcv (net/netlink/genetlink.c:1218)
[  474.420753][T13175]  netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[  474.420756][T13175]  ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[  474.420758][T13175]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  474.420760][T13175]  netlink_sendmsg (net/netlink/af_netlink.c:1900)
[  474.420762][T13175]  ? netlink_unicast (./include/net/net_namespace.h:422 (discriminator 7))
[  474.420765][T13175]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  474.420767][T13175]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  474.420768][T13175]  __sock_sendmsg (net/socket.c:800 (discriminator 4) net/socket.c:815 (discriminator 4))
[  474.420772][T13175]  ? fdget (fs/file.c:1200 fs/file.c:1208)
[  474.420775][T13175]  __sys_sendto (net/socket.c:2281)
[  474.420778][T13175]  ? __ia32_sys_getpeername (net/socket.c:2235)
[  474.420783][T13175]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  474.420784][T13175]  ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22))
[  474.420786][T13175]  __x64_sys_sendto (net/socket.c:2288 net/socket.c:2284 net/socket.c:2284)
[  474.420788][T13175]  ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22))
[  474.420791][T13175]  ? trace_hardirqs_off_finish (./include/trace/events/preemptirq.h:36 (discriminator 22) kernel/trace/trace_preemptirq.c:95 (discriminator 22) kernel/trace/trace_preemptirq.c:90 (discriminator 22))
[  474.420793][T13175]  ? trace_hardirqs_on (kernel/trace/trace_preemptirq.c:78)
[  474.420795][T13175]  do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84)
[  474.420798][T13175]  ? exc_page_fault (arch/x86/mm/fault.c:1489 (discriminator 3) arch/x86/mm/fault.c:1536 (discriminator 3))
[  474.420801][T13175]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[  474.420803][T13175] RIP: 0033:0x7f0fee957312
[  474.420805][T13175] 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)
[  474.420807][T13175] RSP: 002b:00007fff6d7a6178 EFLAGS: 00000246 ORIG_RAX: 000000000000002c
[  474.420811][T13175] RAX: ffffffffffffffda RBX: 00007fff6d7a62a8 RCX: 00007f0fee957312
[  474.420812][T13175] RDX: 0000000000000038 RSI: 00007f0fe842bcb0 RDI: 0000000000000023
[  474.420813][T13175] RBP: 00007fff6d7a61a0 R08: 00007fff6d7a6320 R09: 000000000000000c
[  474.420814][T13175] R10: 0000000000000000 R11: 0000000000000246 R12: 00007f0fec7be190
[  474.420815][T13175] R13: 00007fff6d7a62a8 R14: 00007f0fee27601a R15: 00007fff6d7a6698
| [  481.393254][   T71] softirqs last disabled at (8660322): __fib6_clean_all (./include/linux/spinlock.h:353 net/ipv6/ip6_fib.c:2323)
| [  481.393257][   T71] Preemption disabled at:
| [  481.393258][   T71] vprintk_emit (kernel/printk/printk.c:2471)
| [  481.393269][   T71] Tainted: [W]=WARN
[  481.393270][   T71] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[  481.393272][   T71] Workqueue: netns cleanup_net
[  481.393278][   T71] Call Trace:
[  481.393280][   T71]  <TASK>
[  481.393281][   T71]  dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120)
[  481.393287][   T71]  ? vprintk_emit (kernel/printk/printk.c:2471)
[  481.393289][   T71]  __might_resched.cold (kernel/sched/core.c:9234)
[  481.393293][   T71]  ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3))
[  481.393296][   T71]  ? prb_next_reserve_seq (kernel/printk/printk_ringbuffer.c:2128)
[  481.393298][   T71]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  481.393301][   T71]  __kmalloc_noprof (./include/linux/sched/mm.h:322 (discriminator 2) mm/slub.c:4636 (discriminator 2) mm/slub.c:4974 (discriminator 2) mm/slub.c:5413 (discriminator 2) mm/slub.c:5439 (discriminator 2))
[  481.393304][   T71]  ? __rwlock_init (kernel/locking/spinlock_debug.c:48)
[  481.393307][   T71]  ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[  481.393312][   T71]  ? do_raw_spin_unlock (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:32 ./include/asm-generic/qspinlock.h:58 kernel/locking/spinlock_debug.c:101 kernel/locking/spinlock_debug.c:141)
[  481.393314][   T71]  alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[  481.393316][   T71]  put_chars (drivers/char/virtio_console.c:1176)
[  481.393318][   T71]  ? prb_final_commit (kernel/printk/printk_ringbuffer.c:1842)
[  481.393320][   T71]  ? __send_to_port (drivers/char/virtio_console.c:654)
[  481.393321][   T71]  ? printk_get_next_message (kernel/printk/printk.c:3072)
[  481.393324][   T71]  hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2))
[  481.393329][   T71]  ? hvc_write (drivers/tty/hvc/hvc_console.c:501)
[  481.393331][   T71]  ? 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)
[  481.393333][   T71]  ? vsnprintf (lib/vsprintf.c:2953 (discriminator 1))
[  481.393335][   T71]  ? __rwlock_init (kernel/locking/spinlock_debug.c:48)
[  481.393337][   T71]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  481.393338][   T71]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  481.393341][   T71]  console_emit_next_record (kernel/printk/printk.c:3183)
[  481.393343][   T71]  ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20)
[  481.393346][   T71]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  481.393347][   T71]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  481.393348][   T71]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  481.393349][   T71]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  481.393351][   T71]  ? console_flush_one_record (kernel/printk/printk.c:3247)
[  481.393353][   T71]  console_flush_one_record (kernel/printk/printk.c:3268)
[  481.393355][   T71]  ? console_emit_next_record (kernel/printk/printk.c:3150)
[  481.393358][   T71]  console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420)
[  481.393360][   T71]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  481.393362][   T71]  ? console_flush_one_record (kernel/printk/printk.c:3316)
[  481.393363][   T71]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  481.393364][   T71]  ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22))
[  481.393366][   T71]  ? 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)
[  481.393368][   T71]  ? __rcu_read_lock (kernel/rcu/tree_plugin.h:391 (discriminator 6))
[  481.393369][   T71]  ? __down_trylock_console_sem (kernel/printk/printk.c:334)
[  481.393371][   T71]  ? vprintk_emit (kernel/printk/printk.c:2478)
[  481.393373][   T71]  vprintk_emit (kernel/printk/printk.c:2479)
[  481.393375][   T71]  ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126))
[  481.393376][   T71]  ? net_disable_timestamp (./include/linux/workqueue.h:761)
[  481.393378][   T71]  ? net_generic (./include/linux/rcupdate.h:882 ./include/net/netns/generic.h:48) vxlan
[  481.393385][   T71]  _printk (kernel/printk/printk.c:2504)
[  481.393388][   T71]  ? snapshot_read.cold (user.c:?)
[  481.393390][   T71]  ? netdev_name (./include/linux/netdevice.h:5709 (discriminator 1))
[  481.393394][   T71]  ? __netdev_printk (net/core/dev.c:13148 (discriminator 2))
[  481.393396][   T71]  netdev_info (net/core/dev.c:13195 (discriminator 3))
[  481.393398][   T71]  ? netdev_notice (net/core/dev.c:13194)
[  481.393400][   T71]  ? __netdev_upper_dev_unlink (net/core/dev.c:9094)
[  481.393403][   T71]  ? synchronize_rcu_expedited (kernel/rcu/tree_exp.h:985)
[  481.393406][   T71]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  481.393408][   T71]  ? 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)
[  481.393410][   T71]  __dev_set_promiscuity.cold (net/core/dev.c:9672 (discriminator 3))
[  481.393412][   T71]  netif_set_promiscuity (net/core/dev.c:9699)
[  481.393415][   T71]  dev_set_promiscuity (net/core/dev_api.c:288)
[  481.393417][   T71]  ? rtnl_is_locked (net/core/rtnetlink.c:169)
[  481.393420][   T71] ovs_netdev_detach_dev (net/openvswitch/vport-netdev.c:174) openvswitch
[  481.393426][   T71] dp_device_event (net/openvswitch/dp_notify.c:74) openvswitch
[  481.393430][   T71]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  481.393432][   T71]  notifier_call_chain (kernel/notifier.c:85)
[  481.393435][   T71]  unregister_netdevice_many_notify (net/core/dev.c:2313 net/core/dev.c:2327 net/core/dev.c:12518)
[  481.393437][   T71]  ? unregister_netdevice_queued (./include/linux/list.h:419 (discriminator 3))
[  481.393439][   T71]  ? get_rps_cpu (net/core/dev.c:5240)
[  481.393442][   T71]  default_device_exit_batch (net/core/dev.c:12589 net/core/dev.c:13288)
[  481.393443][   T71]  ? __mutex_unlock_slowpath (./include/linux/preempt.h:500 (discriminator 1) kernel/locking/mutex.c:999 (discriminator 1))
[  481.393445][   T71]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  481.393447][   T71]  ? unregister_netdevice_queue (./include/linux/list.h:173)
[  481.393448][   T71]  ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3))
[  481.393450][   T71]  ? fou_exit_net (net/ipv4/fou_core.c:1228)
[  481.393453][   T71]  ops_undo_list (net/core/net_namespace.c:206 net/core/net_namespace.c:253)
[  481.393456][   T71]  ? netns_install (./include/linux/ns_common.h:26)
[  481.393457][   T71]  ? idr_destroy (lib/radix-tree.c:310 lib/radix-tree.c:674 lib/radix-tree.c:1563)
[  481.393460][   T71]  cleanup_net (net/core/net_namespace.c:706)
[  481.393462][   T71]  ? net_passive_dec (./include/linux/llist.h:241)
[  481.393464][   T71]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  481.393466][   T71]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  481.393467][   T71]  process_one_work (kernel/workqueue.c:3387)
[  481.393472][   T71]  ? __queue_delayed_work (kernel/workqueue.c:2622)
[  481.393474][   T71]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[  481.393476][   T71]  ? __rwlock_init (kernel/locking/spinlock_debug.c:48)
[  481.393478][   T71]  worker_thread (kernel/workqueue.c:3470 kernel/workqueue.c:3551)
[  481.393481][   T71]  ? rescuer_thread (./include/linux/list.h:419 (discriminator 3))
[  481.393483][   T71]  ? __kthread_parkme (./include/linux/instrumented.h:82 ./include/asm-generic/bitops/instrumented-non-atomic.h:141 kernel/kthread.c:272)
[  481.393485][   T71]  ? rescuer_thread (./include/linux/list.h:419 (discriminator 3))
[  481.393487][   T71]  ? rescuer_thread (./include/linux/list.h:419 (discriminator 3))
[  481.393489][   T71]  kthread (kernel/kthread.c:436)
[  481.393491][   T71]  ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22))
[  481.393494][   T71]  ? kthread_affine_preferred (kernel/kthread.c:857)
[  481.393496][   T71]  ret_from_fork (arch/x86/kernel/process.c:158)
[  481.393499][   T71]  ? arch_exit_to_user_mode_prepare.isra.0 (arch/x86/entry/vdso/vma.c:80 (discriminator 1))
[  481.393501][   T71]  ? __switch_to (arch/x86/kernel/process_64.c:403 arch/x86/kernel/process_64.c:663)
[  481.393504][   T71]  ? kthread_affine_preferred (kernel/kthread.c:857)
[  481.393506][   T71]  ret_from_fork_asm (arch/x86/entry/entry_64.S:245)
| [  482.704244][T13388] softirqs last disabled at (0): 0x0
| [  482.704246][T13388] Preemption disabled at:
| [  482.704247][T13388] vprintk_emit (kernel/printk/printk.c:2471)
| [  482.704258][T13388] Tainted: [W]=WARN
[  482.704259][T13388] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[  482.704261][T13388] Call Trace:
[  482.704263][T13388]  <TASK>
[  482.704264][T13388]  dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120)
[  482.704270][T13388]  ? vprintk_emit (kernel/printk/printk.c:2471)
[  482.704272][T13388]  __might_resched.cold (kernel/sched/core.c:9234)
[  482.704276][T13388]  ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3))
[  482.704279][T13388]  ? __asan_memcpy (mm/kasan/shadow.c:106 (discriminator 1))
[  482.704283][T13388]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  482.704286][T13388]  __kmalloc_noprof (./include/linux/sched/mm.h:322 (discriminator 2) mm/slub.c:4636 (discriminator 2) mm/slub.c:4974 (discriminator 2) mm/slub.c:5413 (discriminator 2) mm/slub.c:5439 (discriminator 2))
[  482.704288][T13388]  ? __rwlock_init (kernel/locking/spinlock_debug.c:48)
[  482.704292][T13388]  ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[  482.704297][T13388]  ? do_raw_spin_unlock (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:32 ./include/asm-generic/qspinlock.h:58 kernel/locking/spinlock_debug.c:101 kernel/locking/spinlock_debug.c:141)
[  482.704299][T13388]  alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[  482.704302][T13388]  put_chars (drivers/char/virtio_console.c:1176)
[  482.704303][T13388]  ? __send_to_port (drivers/char/virtio_console.c:654)
[  482.704305][T13388]  ? console_prepend_replay (kernel/printk/printk.c:3005)
[  482.704308][T13388]  ? __schedule (kernel/sched/core.c:7277)
[  482.704312][T13388]  hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2))
[  482.704318][T13388]  ? hvc_write (drivers/tty/hvc/hvc_console.c:501)
[  482.704320][T13388]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  482.704321][T13388]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  482.704324][T13388]  console_emit_next_record (kernel/printk/printk.c:3183)
[  482.704327][T13388]  ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20)
[  482.704329][T13388]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  482.704330][T13388]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  482.704332][T13388]  ? console_flush_one_record (kernel/printk/printk.c:3247)
[  482.704334][T13388]  console_flush_one_record (kernel/printk/printk.c:3268)
[  482.704337][T13388]  ? console_emit_next_record (kernel/printk/printk.c:3150)
[  482.704340][T13388]  console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420)
[  482.704342][T13388]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  482.704343][T13388]  ? console_flush_one_record (kernel/printk/printk.c:3316)
[  482.704345][T13388]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  482.704346][T13388]  ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22))
[  482.704348][T13388]  ? 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)
[  482.704350][T13388]  ? __rcu_read_lock (kernel/rcu/tree_plugin.h:391 (discriminator 6))
[  482.704351][T13388]  ? __down_trylock_console_sem (kernel/printk/printk.c:334)
[  482.704353][T13388]  ? vprintk_emit (kernel/printk/printk.c:2478)
[  482.704355][T13388]  vprintk_emit (kernel/printk/printk.c:2479)
[  482.704357][T13388]  ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126))
[  482.704358][T13388]  ? net_disable_timestamp (./include/linux/workqueue.h:761)
[  482.704362][T13388]  ? net_generic (./include/linux/rcupdate.h:882 ./include/net/netns/generic.h:48) vxlan
[  482.704369][T13388]  _printk (kernel/printk/printk.c:2504)
[  482.704372][T13388]  ? snapshot_read.cold (user.c:?)
[  482.704375][T13388]  ? netdev_name (./include/linux/netdevice.h:5709 (discriminator 1))
[  482.704378][T13388]  ? __netdev_printk (net/core/dev.c:13148 (discriminator 2))
[  482.704380][T13388]  netdev_info (net/core/dev.c:13195 (discriminator 3))
[  482.704383][T13388]  ? netdev_notice (net/core/dev.c:13194)
[  482.704385][T13388]  ? __netdev_upper_dev_unlink (net/core/dev.c:9094)
[  482.704388][T13388]  ? synchronize_rcu_expedited (kernel/rcu/tree_exp.h:985)
[  482.704391][T13388]  ? 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)
[  482.704392][T13388]  __dev_set_promiscuity.cold (net/core/dev.c:9672 (discriminator 3))
[  482.704395][T13388]  netif_set_promiscuity (net/core/dev.c:9699)
[  482.704398][T13388]  dev_set_promiscuity (net/core/dev_api.c:288)
[  482.704400][T13388]  ? rtnl_is_locked (net/core/rtnetlink.c:169)
[  482.704403][T13388] ovs_netdev_detach_dev (net/openvswitch/vport-netdev.c:174) openvswitch
[  482.704409][T13388]  ? netdev_destroy (net/openvswitch/vport-netdev.c:189) openvswitch
[  482.704413][T13388] netdev_destroy (net/openvswitch/vport-netdev.c:194) openvswitch
[  482.704417][T13388] ovs_vport_cmd_del (net/openvswitch/datapath.c:2505) openvswitch
[  482.704423][T13388]  genl_family_rcv_msg_doit (net/netlink/genetlink.c:1114)
[  482.704427][T13388]  ? genl_family_rcv_msg_attrs_parse.isra.0 (./include/net/netlink.h:785 (discriminator 2))
[  482.704431][T13388]  ? security_capable (security/security.c:660 (discriminator 11))
[  482.704434][T13388]  genl_family_rcv_msg (net/netlink/genetlink.c:1194)
[  482.704437][T13388]  ? genl_family_rcv_msg_dumpit (net/netlink/genetlink.c:1079)
[  482.704439][T13388]  ? ovs_dp_detach_port (./include/linux/list.h:1047 (discriminator 2)) openvswitch
[  482.704443][T13388]  ? filter_irq_stacks (kernel/stacktrace.c:402)
[  482.704446][T13388]  ? stack_depot_save_flags (lib/stackdepot.c:609 lib/stackdepot.c:676)
[  482.704450][T13388]  genl_rcv_msg (net/netlink/genetlink.c:1209)
[  482.704452][T13388]  netlink_rcv_skb (net/netlink/af_netlink.c:2556)
[  482.704454][T13388]  ? genl_family_rcv_msg (net/netlink/genetlink.c:1136 (discriminator 2))
[  482.704457][T13388]  ? netlink_ack (./include/linux/skbuff.h:2718)
[  482.704459][T13388]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  482.704461][T13388]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  482.704463][T13388]  ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22))
[  482.704465][T13388]  genl_rcv (net/netlink/genetlink.c:1218)
[  482.704466][T13388]  netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[  482.704469][T13388]  ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[  482.704471][T13388]  ? trace_hardirqs_on (kernel/trace/trace_preemptirq.c:78)
[  482.704474][T13388]  ? __wake_up (./include/linux/spinlock.h:425 (discriminator 3) kernel/sched/wait.c:128 (discriminator 3) kernel/sched/wait.c:147 (discriminator 3))
[  482.704477][T13388]  netlink_sendmsg (net/netlink/af_netlink.c:1900)
[  482.704479][T13388]  ? netlink_unicast (./include/net/net_namespace.h:422 (discriminator 7))
[  482.704482][T13388]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  482.704484][T13388]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  482.704485][T13388]  __sock_sendmsg (net/socket.c:800 (discriminator 4) net/socket.c:815 (discriminator 4))
[  482.704488][T13388]  ? fdget (fs/file.c:1200 fs/file.c:1208)
[  482.704491][T13388]  __sys_sendto (net/socket.c:2281)
[  482.704494][T13388]  ? __ia32_sys_getpeername (net/socket.c:2235)
[  482.704496][T13388]  ? rcutree_report_cpu_dead (kernel/rcu/tree.c:4507)
[  482.704500][T13388]  __x64_sys_sendto (net/socket.c:2288 net/socket.c:2284 net/socket.c:2284)
[  482.704502][T13388]  ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22))
[  482.704504][T13388]  ? trace_hardirqs_off_finish (./include/trace/events/preemptirq.h:36 (discriminator 22) kernel/trace/trace_preemptirq.c:95 (discriminator 22) kernel/trace/trace_preemptirq.c:90 (discriminator 22))
[  482.704505][T13388]  ? trace_hardirqs_on (kernel/trace/trace_preemptirq.c:78)
[  482.704507][T13388]  do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84)
[  482.704510][T13388]  ? irq_exit_rcu (kernel/softirq.c:786)
[  482.704513][T13388]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[  482.704515][T13388] RIP: 0033:0x7f3c682ec312
[  482.704517][T13388] 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)
[  482.704519][T13388] RSP: 002b:00007fff6bafb6d8 EFLAGS: 00000246 ORIG_RAX: 000000000000002c
[  482.704523][T13388] RAX: ffffffffffffffda RBX: 00007fff6bafb808 RCX: 00007f3c682ec312
[  482.704525][T13388] RDX: 0000000000000028 RSI: 00007f3c64718480 RDI: 0000000000000023
[  482.704525][T13388] RBP: 00007fff6bafb700 R08: 00007fff6bafb880 R09: 000000000000000c
[  482.704526][T13388] R10: 0000000000000000 R11: 0000000000000246 R12: 00007f3c66159fd0
[  482.704527][T13388] R13: 00007fff6bafb808 R14: 00007f3c67c0b01a R15: 00007fff6bafbbf8
| [  549.801529][T17135] softirqs last disabled at (0): 0x0
| [  549.801531][T17135] Preemption disabled at:
| [  549.801532][T17135] vprintk_emit (kernel/printk/printk.c:2471)
| [  549.801542][T17135] Tainted: [W]=WARN
[  549.801543][T17135] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[  549.801545][T17135] Call Trace:
[  549.801547][T17135]  <TASK>
[  549.801548][T17135]  dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120)
[  549.801553][T17135]  ? vprintk_emit (kernel/printk/printk.c:2471)
[  549.801555][T17135]  __might_resched.cold (kernel/sched/core.c:9234)
[  549.801559][T17135]  ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3))
[  549.801562][T17135]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  549.801565][T17135]  __kmalloc_noprof (./include/linux/sched/mm.h:322 (discriminator 2) mm/slub.c:4636 (discriminator 2) mm/slub.c:4974 (discriminator 2) mm/slub.c:5413 (discriminator 2) mm/slub.c:5439 (discriminator 2))
[  549.801568][T17135]  ? __rwlock_init (kernel/locking/spinlock_debug.c:48)
[  549.801572][T17135]  ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[  549.801579][T17135]  ? do_raw_spin_unlock (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:32 ./include/asm-generic/qspinlock.h:58 kernel/locking/spinlock_debug.c:101 kernel/locking/spinlock_debug.c:141)
[  549.801582][T17135]  alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[  549.801585][T17135]  put_chars (drivers/char/virtio_console.c:1176)
[  549.801587][T17135]  ? desc_read_finalized_seq (kernel/printk/printk_ringbuffer.c:1934)
[  549.801590][T17135]  ? __send_to_port (drivers/char/virtio_console.c:654)
[  549.801592][T17135]  ? console_prepend_replay (kernel/printk/printk.c:3005)
[  549.801594][T17135]  hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2))
[  549.801599][T17135]  ? hvc_write (drivers/tty/hvc/hvc_console.c:501)
[  549.801601][T17135]  ? 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)
[  549.801603][T17135]  ? __rwlock_init (kernel/locking/spinlock_debug.c:48)
[  549.801605][T17135]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  549.801606][T17135]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  549.801607][T17135]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  549.801610][T17135]  console_emit_next_record (kernel/printk/printk.c:3183)
[  549.801613][T17135]  ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20)
[  549.801615][T17135]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  549.801616][T17135]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  549.801617][T17135]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  549.801618][T17135]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  549.801620][T17135]  ? console_flush_one_record (kernel/printk/printk.c:3247)
[  549.801622][T17135]  console_flush_one_record (kernel/printk/printk.c:3268)
[  549.801624][T17135]  ? console_emit_next_record (kernel/printk/printk.c:3150)
[  549.801627][T17135]  console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420)
[  549.801629][T17135]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  549.801631][T17135]  ? console_flush_one_record (kernel/printk/printk.c:3316)
[  549.801633][T17135]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  549.801634][T17135]  ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22))
[  549.801635][T17135]  ? 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)
[  549.801637][T17135]  ? __rcu_read_lock (kernel/rcu/tree_plugin.h:391 (discriminator 6))
[  549.801639][T17135]  ? __down_trylock_console_sem (kernel/printk/printk.c:334)
[  549.801641][T17135]  ? vprintk_emit (kernel/printk/printk.c:2478)
[  549.801642][T17135]  vprintk_emit (kernel/printk/printk.c:2479)
[  549.801645][T17135]  ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126))
[  549.801647][T17135]  ? nf_defrag_fini+0x980/0x980 nf_defrag_ipv4
[  549.801649][T17135]  _printk (kernel/printk/printk.c:2504)
[  549.801653][T17135]  ? snapshot_read.cold (user.c:?)
[  549.801656][T17135]  ? 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)
[  549.801658][T17135] xfrm_user_init (xfrm_user.mod.c:?) xfrm_user
[  549.801662][T17135]  do_one_initcall (init/main.c:1357)
[  549.801666][T17135]  ? trace_event_raw_event_initcall_level (./include/trace/events/initcall.h:10)
[  549.801669][T17135]  ? do_init_module (./include/linux/slab.h:991 (discriminator 1) kernel/module/main.c:3105 (discriminator 1))
[  549.801671][T17135]  ? kasan_unpoison (mm/kasan/shadow.c:146 mm/kasan/shadow.c:178)
[  549.801675][T17135]  do_init_module (kernel/module/main.c:3117)
[  549.801677][T17135]  ? free_module (./include/trace/events/module.h:50 (discriminator 19))
[  549.801679][T17135]  ? kfree (./include/linux/kasan.h:235 mm/slub.c:2748 mm/slub.c:6499 mm/slub.c:6792)
[  549.801681][T17135]  load_module (kernel/module/main.c:3593)
[  549.801683][T17135]  ? security_kernel_post_read_file (security/security.c:2997 (discriminator 11))
[  549.801687][T17135]  ? layout_and_allocate.isra.0 (kernel/module/main.c:3016)
[  549.801689][T17135]  ? backing_file_read_iter (fs/backing-file.c:211)
[  549.801693][T17135]  init_module_from_file (kernel/module/main.c:3790)
[  549.801695][T17135]  ? __do_sys_init_module (kernel/module/main.c:3664)
[  549.801697][T17135]  ? ovl_mmap (fs/overlayfs/file.c:477)
[  549.801700][T17135]  ? __rwlock_init (kernel/locking/spinlock_debug.c:48)
[  549.801702][T17135]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  549.801703][T17135]  ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22))
[  549.801705][T17135]  ? do_raw_spin_unlock (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:32 ./include/asm-generic/qspinlock.h:58 kernel/locking/spinlock_debug.c:101 kernel/locking/spinlock_debug.c:141)
[  549.801707][T17135]  idempotent_init_module (kernel/module/main.c:3802)
[  549.801709][T17135]  ? init_module_from_file (kernel/module/main.c:3791)
[  549.801711][T17135]  ? cap_capable (./include/trace/events/capability.h:26 (discriminator 22) security/commoncap.c:130 (discriminator 22))
[  549.801713][T17135]  ? __x64_sys_pread64 (fs/read_write.c:764 fs/read_write.c:772 fs/read_write.c:769 fs/read_write.c:769)
[  549.801716][T17135]  __x64_sys_finit_module (kernel/module/main.c:3828 kernel/module/main.c:3812 kernel/module/main.c:3812)
[  549.801717][T17135]  ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22))
[  549.801721][T17135]  do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84)
[  549.801724][T17135]  ? exc_page_fault (arch/x86/mm/fault.c:1489 (discriminator 3) arch/x86/mm/fault.c:1536 (discriminator 3))
[  549.801726][T17135]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[  549.801728][T17135] RIP: 0033:0x7f12d285437d
[  549.801731][T17135] 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
[  549.801732][T17135] RSP: 002b:00007ffd76ea9358 EFLAGS: 00000246 ORIG_RAX: 0000000000000139
[  549.801736][T17135] RAX: ffffffffffffffda RBX: 000055bb66a2d810 RCX: 00007f12d285437d
[  549.801737][T17135] RDX: 0000000000000000 RSI: 000055bb2829bffd RDI: 0000000000000000
[  549.801738][T17135] RBP: 00007ffd76ea93f0 R08: 0000000000000000 R09: 0000000000000000
[  549.801739][T17135] R10: 0000000000000000 R11: 0000000000000246 R12: 000055bb2829bffd


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
__fib6_clean_all:vprintk_emit: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_trylock_spinning