======================================
| [   27.492100][  T737] softirqs last disabled at (34983): __irq_exit_rcu (kernel/softirq.c:679 kernel/softirq.c:519 kernel/softirq.c:767)
| [   27.492102][  T737] Preemption disabled at:
| [   27.492103][  T737] 0x0
| [   27.492113][  T737] Tainted: [W]=WARN
[   27.492114][  T737] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   27.492116][  T737] Call Trace:
[   27.492117][  T737]  <TASK>
[   27.492119][  T737]  dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120)
[   27.492125][  T737]  __might_resched.cold (kernel/sched/core.c:9234)
[   27.492129][  T737]  ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3))
[   27.492134][  T737]  ? __kmalloc_noprof (./include/linux/sched/mm.h:317 mm/slub.c:4636 mm/slub.c:4974 mm/slub.c:5413 mm/slub.c:5439)
[   27.492138][  T737]  __kmalloc_noprof (./include/linux/sched/mm.h:322 (discriminator 2) mm/slub.c:4636 (discriminator 2) mm/slub.c:4974 (discriminator 2) mm/slub.c:5413 (discriminator 2) mm/slub.c:5439 (discriminator 2))
[   27.492140][  T737]  ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[   27.492147][  T737]  ? do_raw_spin_unlock (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:32 ./include/asm-generic/qspinlock.h:58 kernel/locking/spinlock_debug.c:101 kernel/locking/spinlock_debug.c:141)
[   27.492150][  T737]  alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[   27.492154][  T737]  put_chars (drivers/char/virtio_console.c:1176)
[   27.492156][  T737]  ? __send_to_port (drivers/char/virtio_console.c:654)
[   27.492157][  T737]  ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4116 (discriminator 3) kernel/rcu/tree.c:4108 (discriminator 3))
[   27.492161][  T737]  ? validate_chain (kernel/locking/lockdep.c:3817 (discriminator 2) kernel/locking/lockdep.c:3837 (discriminator 2) kernel/locking/lockdep.c:3892 (discriminator 2))
[   27.492166][  T737]  hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2))
[   27.492173][  T737]  ? hvc_write (drivers/tty/hvc/hvc_console.c:501)
[   27.492176][  T737]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   27.492178][  T737]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   27.492182][  T737]  console_emit_next_record (kernel/printk/printk.c:3183)
[   27.492186][  T737]  ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20)
[   27.492188][  T737]  ? console_flush_one_record (./include/linux/rcupdate.h:314 (discriminator 2) ./include/linux/srcu.h:439 (discriminator 2) kernel/printk/printk.c:291 (discriminator 2) kernel/printk/printk.c:3246 (discriminator 2))
[   27.492191][  T737]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   27.492193][  T737]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   27.492197][  T737]  console_flush_one_record (kernel/printk/printk.c:3268)
[   27.492201][  T737]  ? console_emit_next_record (kernel/printk/printk.c:3150)
[   27.492203][  T737]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   27.492208][  T737]  console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420)
[   27.492211][  T737]  ? console_flush_one_record (kernel/printk/printk.c:3316)
[   27.492213][  T737]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   27.492215][  T737]  ? 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)
[   27.492219][  T737]  ? __down_trylock_console_sem (kernel/printk/printk.c:334)
[   27.492220][  T737]  ? vprintk_emit (kernel/printk/printk.c:2478)
[   27.492223][  T737]  vprintk_emit (kernel/printk/printk.c:2479)
[   27.492226][  T737]  ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126))
[   27.492229][  T737]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   27.492233][  T737]  _printk (kernel/printk/printk.c:2504)
[   27.492236][  T737]  ? snapshot_read.cold (user.c:?)
[   27.492239][  T737]  ? 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)
[   27.492242][  T737]  ? __rwlock_init (kernel/locking/spinlock_debug.c:48)
[   27.492246][  T737]  ? 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)
[   27.492248][  T737]  do_exit.cold (kernel/exit.c:889 (discriminator 4) kernel/exit.c:1043 (discriminator 4))
[   27.492252][  T737]  ? exit_notify (kernel/exit.c:780)
[   27.492253][  T737]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554)
[   27.492256][  T737]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   27.492260][  T737]  do_group_exit (kernel/exit.c:1151)
[   27.492262][  T737]  __x64_sys_exit_group (kernel/exit.c:1162 kernel/exit.c:1160 kernel/exit.c:1160)
[   27.492264][  T737]  x64_sys_call (./arch/x86/include/generated/asm/syscalls_64.h:232)
[   27.492267][  T737]  do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84)
[   27.492271][  T737]  ? exc_page_fault (arch/x86/mm/fault.c:1489 (discriminator 3) arch/x86/mm/fault.c:1536 (discriminator 3))
[   27.492274][  T737]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[   27.492276][  T737] RIP: 0033:0x7f699d31c1b8
[   27.492278][  T737] Code: Unable to access opcode bytes at 0x7f699d31c18e.

Code starting with the faulting instruction
===========================================
[   27.492279][  T737] RSP: 002b:00007fff8c1c6a58 EFLAGS: 00000246 ORIG_RAX: 00000000000000e7
[   27.492281][  T737] RAX: ffffffffffffffda RBX: 00007f699d44cf88 RCX: 00007f699d31c1b8
[   27.492282][  T737] RDX: 00007f699d066fc8 RSI: fffffffffffffeb8 RDI: 0000000000000000
[   27.492283][  T737] RBP: 00007fff8c1c6ab0 R08: 0000000000000000 R09: 0000000000000000
[   27.492284][  T737] R10: 00007fff8c1c6870 R11: 0000000000000246 R12: 0000000000000001
[   27.492285][  T737] R13: 0000000000000000 R14: 00007f699d44b680 R15: 00007f699d44cfa0
| [  121.949838][ T3715] softirqs last disabled at (43283): __irq_exit_rcu (kernel/softirq.c:679 kernel/softirq.c:519 kernel/softirq.c:767)
| [  121.949840][ T3715] Preemption disabled at:
| [  121.949841][ T3715] 0x0
| [  121.949851][ T3715] Tainted: [W]=WARN
[  121.949852][ T3715] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[  121.949854][ T3715] Call Trace:
[  121.949856][ T3715]  <TASK>
[  121.949857][ T3715]  dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120)
[  121.949863][ T3715]  __might_resched.cold (kernel/sched/core.c:9234)
[  121.949869][ T3715]  ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3))
[  121.949873][ T3715]  ? __kmalloc_noprof (./include/linux/sched/mm.h:317 mm/slub.c:4636 mm/slub.c:4974 mm/slub.c:5413 mm/slub.c:5439)
[  121.949877][ T3715]  __kmalloc_noprof (./include/linux/sched/mm.h:322 (discriminator 2) mm/slub.c:4636 (discriminator 2) mm/slub.c:4974 (discriminator 2) mm/slub.c:5413 (discriminator 2) mm/slub.c:5439 (discriminator 2))
[  121.949879][ T3715]  ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[  121.949886][ T3715]  ? do_raw_spin_unlock (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:32 ./include/asm-generic/qspinlock.h:58 kernel/locking/spinlock_debug.c:101 kernel/locking/spinlock_debug.c:141)
[  121.949889][ T3715]  alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[  121.949892][ T3715]  put_chars (drivers/char/virtio_console.c:1176)
[  121.949895][ T3715]  ? __send_to_port (drivers/char/virtio_console.c:654)
[  121.949896][ T3715]  ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4116 (discriminator 3) kernel/rcu/tree.c:4108 (discriminator 3))
[  121.949900][ T3715]  ? validate_chain (kernel/locking/lockdep.c:3817 (discriminator 2) kernel/locking/lockdep.c:3837 (discriminator 2) kernel/locking/lockdep.c:3892 (discriminator 2))
[  121.949905][ T3715]  hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2))
[  121.949913][ T3715]  ? hvc_write (drivers/tty/hvc/hvc_console.c:501)
[  121.949915][ T3715]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  121.949918][ T3715]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  121.949922][ T3715]  console_emit_next_record (kernel/printk/printk.c:3183)
[  121.949925][ T3715]  ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20)
[  121.949927][ T3715]  ? console_flush_one_record (./include/linux/rcupdate.h:314 (discriminator 2) ./include/linux/srcu.h:439 (discriminator 2) kernel/printk/printk.c:291 (discriminator 2) kernel/printk/printk.c:3246 (discriminator 2))
[  121.949930][ T3715]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  121.949932][ T3715]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  121.949936][ T3715]  console_flush_one_record (kernel/printk/printk.c:3268)
[  121.949940][ T3715]  ? console_emit_next_record (kernel/printk/printk.c:3150)
[  121.949942][ T3715]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[  121.949947][ T3715]  console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420)
[  121.949950][ T3715]  ? console_flush_one_record (kernel/printk/printk.c:3316)
[  121.949952][ T3715]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  121.949954][ T3715]  ? lock_acquire (./include/linux/srcutree.h:374 ./include/linux/srcu.h:541 ./include/linux/srcu.h:645 ./include/trace/events/lock.h:23 ./include/trace/events/lock.h:23 kernel/locking/lockdep.c:5871)
[  121.949957][ T3715]  ? __down_trylock_console_sem (kernel/printk/printk.c:334)
[  121.949959][ T3715]  ? vprintk_emit (kernel/printk/printk.c:2478)
[  121.949962][ T3715]  vprintk_emit (kernel/printk/printk.c:2479)
[  121.949965][ T3715]  ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126))
[  121.949968][ T3715]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[  121.949971][ T3715]  _printk (kernel/printk/printk.c:2504)
[  121.949975][ T3715]  ? snapshot_read.cold (user.c:?)
[  121.949977][ T3715]  ? do_raw_spin_lock (./include/linux/instrumented.h:55 ./include/linux/atomic/atomic-instrumented.h:1301 ./include/asm-generic/qspinlock.h:112 kernel/locking/spinlock_debug.c:116)
[  121.949980][ T3715]  ? __rwlock_init (kernel/locking/spinlock_debug.c:48)
[  121.949984][ T3715]  ? do_raw_spin_lock (./include/linux/instrumented.h:55 ./include/linux/atomic/atomic-instrumented.h:1301 ./include/asm-generic/qspinlock.h:112 kernel/locking/spinlock_debug.c:116)
[  121.949986][ T3715]  do_exit.cold (kernel/exit.c:889 (discriminator 4) kernel/exit.c:1043 (discriminator 4))
[  121.949990][ T3715]  ? exit_notify (kernel/exit.c:780)
[  121.949991][ T3715]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554)
[  121.949994][ T3715]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  121.949997][ T3715]  do_group_exit (kernel/exit.c:1151)
[  121.950000][ T3715]  __x64_sys_exit_group (kernel/exit.c:1162 kernel/exit.c:1160 kernel/exit.c:1160)
[  121.950002][ T3715]  x64_sys_call (./arch/x86/include/generated/asm/syscalls_64.h:232)
[  121.950005][ T3715]  do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84)
[  121.950009][ T3715]  ? exc_page_fault (arch/x86/mm/fault.c:1489 (discriminator 3) arch/x86/mm/fault.c:1536 (discriminator 3))
[  121.950011][ T3715]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[  121.950014][ T3715] RIP: 0033:0x7f8a450481b8
[  121.950016][ T3715] Code: Unable to access opcode bytes at 0x7f8a4504818e.

Code starting with the faulting instruction
===========================================
[  121.950017][ T3715] RSP: 002b:00007ffd9d46eab8 EFLAGS: 00000246 ORIG_RAX: 00000000000000e7
[  121.950020][ T3715] RAX: ffffffffffffffda RBX: 00007f8a45178f88 RCX: 00007f8a450481b8
[  121.950021][ T3715] RDX: 00007f8a44dd97c8 RSI: ffffffffffffffb0 RDI: 0000000000000000
[  121.950022][ T3715] RBP: 00007ffd9d46eb10 R08: 0000000000000000 R09: 0000000000001010
[  121.950023][ T3715] R10: 00007ffd9d46e930 R11: 0000000000000246 R12: 0000000000000002
[  121.950024][ T3715] R13: 0000000000000000 R14: 00007f8a45177680 R15: 00007f8a45178fa0
| [  130.386198][ T4015] softirqs last disabled at (44562): __alloc_skb (./include/linux/bottom_half.h:20 (discriminator 2) net/core/skbuff.c:697 (discriminator 2))
| [  130.386200][ T4015] Preemption disabled at:
| [  130.386201][ T4015] vprintk_emit (kernel/printk/printk.c:2471)
| [  130.386209][ T4015] Tainted: [W]=WARN
[  130.386210][ T4015] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[  130.386212][ T4015] Call Trace:
[  130.386213][ T4015]  <TASK>
[  130.386215][ T4015]  dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120)
[  130.386221][ T4015]  ? vprintk_emit (kernel/printk/printk.c:2471)
[  130.386223][ T4015]  __might_resched.cold (kernel/sched/core.c:9234)
[  130.386227][ T4015]  ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3))
[  130.386231][ T4015]  ? __kmalloc_noprof (./include/linux/sched/mm.h:317 mm/slub.c:4636 mm/slub.c:4974 mm/slub.c:5413 mm/slub.c:5439)
[  130.386236][ T4015]  __kmalloc_noprof (./include/linux/sched/mm.h:322 (discriminator 2) mm/slub.c:4636 (discriminator 2) mm/slub.c:4974 (discriminator 2) mm/slub.c:5413 (discriminator 2) mm/slub.c:5439 (discriminator 2))
[  130.386238][ T4015]  ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[  130.386245][ T4015]  ? do_raw_spin_unlock (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:32 ./include/asm-generic/qspinlock.h:58 kernel/locking/spinlock_debug.c:101 kernel/locking/spinlock_debug.c:141)
[  130.386248][ T4015]  alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[  130.386252][ T4015]  put_chars (drivers/char/virtio_console.c:1176)
[  130.386254][ T4015]  ? __send_to_port (drivers/char/virtio_console.c:654)
[  130.386257][ T4015]  ? validate_chain (kernel/locking/lockdep.c:159 kernel/locking/lockdep.c:191 kernel/locking/lockdep.c:3928)
[  130.386262][ T4015]  hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2))
[  130.386270][ T4015]  ? hvc_write (drivers/tty/hvc/hvc_console.c:501)
[  130.386273][ T4015]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  130.386275][ T4015]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  130.386280][ T4015]  console_emit_next_record (kernel/printk/printk.c:3183)
[  130.386284][ T4015]  ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20)
[  130.386285][ T4015]  ? console_flush_one_record (./include/linux/rcupdate.h:314 (discriminator 2) ./include/linux/srcu.h:439 (discriminator 2) kernel/printk/printk.c:291 (discriminator 2) kernel/printk/printk.c:3246 (discriminator 2))
[  130.386289][ T4015]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  130.386290][ T4015]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  130.386295][ T4015]  console_flush_one_record (kernel/printk/printk.c:3268)
[  130.386299][ T4015]  ? console_emit_next_record (kernel/printk/printk.c:3150)
[  130.386301][ T4015]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[  130.386306][ T4015]  console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420)
[  130.386309][ T4015]  ? console_flush_one_record (kernel/printk/printk.c:3316)
[  130.386311][ T4015]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  130.386313][ T4015]  ? lock_acquire (./include/linux/srcutree.h:374 ./include/linux/srcu.h:541 ./include/linux/srcu.h:645 ./include/trace/events/lock.h:23 ./include/trace/events/lock.h:23 kernel/locking/lockdep.c:5871)
[  130.386316][ T4015]  ? __down_trylock_console_sem (kernel/printk/printk.c:334)
[  130.386318][ T4015]  ? vprintk_emit (kernel/printk/printk.c:2478)
[  130.386321][ T4015]  vprintk_emit (kernel/printk/printk.c:2479)
[  130.386324][ T4015]  ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126))
[  130.386326][ T4015]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554)
[  130.386328][ T4015]  ? _raw_spin_unlock_irqrestore (./include/linux/spinlock_api_smp.h:211 (discriminator 1) kernel/locking/spinlock.c:221 (discriminator 1))
[  130.386332][ T4015]  ? mark_held_locks (kernel/locking/lockdep.c:4341)
[  130.386335][ T4015]  _printk (kernel/printk/printk.c:2504)
[  130.386339][ T4015]  ? snapshot_read.cold (user.c:?)
[  130.386343][ T4015]  ? br_multicast_flood (??:?)
[  130.386346][ T4015]  ? do_setlink.isra.0 (net/core/rtnetlink.c:3273 (discriminator 1))
[  130.386347][ T4015]  ? rtnl_newlink (net/core/rtnetlink.c:4215)
[  130.386349][ T4015]  ? rtnetlink_rcv_msg (net/core/rtnetlink.c:7132)
[  130.386353][ T4015]  br_set_state (net/bridge/br_stp.c:57 (discriminator 2))
[  130.386357][ T4015]  br_init_port (net/bridge/br_stp_if.c:39)
[  130.386359][ T4015]  new_nbp (net/bridge/br_if.c:449)
[  130.386363][ T4015]  br_add_if (net/bridge/br_if.c:592)
[  130.386366][ T4015]  ? is_bpf_text_address (./include/linux/rcupdate.h:882 kernel/bpf/core.c:751)
[  130.386369][ T4015]  ? kernel_text_address (kernel/extable.c:125 kernel/extable.c:94)
[  130.386375][ T4015]  do_set_master (net/core/rtnetlink.c:3071)
[  130.386378][ T4015]  do_setlink.isra.0 (net/core/rtnetlink.c:3273 (discriminator 1))
[  130.386382][ T4015]  ? stack_trace_save (kernel/stacktrace.c:122 (discriminator 1))
[  130.386385][ T4015]  ? rtnl_link_get_size (net/core/rtnetlink.c:747)
[  130.386387][ T4015]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:388 kernel/rcu/update.c:380)
[  130.386389][ T4015]  ? stack_depot_save_flags (lib/stackdepot.c:609 (discriminator 2) lib/stackdepot.c:676 (discriminator 2))
[  130.386393][ T4015]  ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4116 (discriminator 3) kernel/rcu/tree.c:4108 (discriminator 3))
[  130.386395][ T4015]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380)
[  130.386397][ T4015]  ? validate_chain (kernel/locking/lockdep.c:3817 (discriminator 2) kernel/locking/lockdep.c:3837 (discriminator 2) kernel/locking/lockdep.c:3892 (discriminator 2))
[  130.386400][ T4015]  ? kasan_save_stack (mm/kasan/common.c:58)
[  130.386402][ T4015]  ? kasan_save_stack (mm/kasan/common.c:57)
[  130.386403][ T4015]  ? kasan_save_track (mm/kasan/common.c:78)
[  130.386404][ T4015]  ? __kasan_kmalloc (mm/kasan/common.c:398 mm/kasan/common.c:415)
[  130.386407][ T4015]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[  130.386409][ T4015]  ? snd_ac97_proc_read_main (sound/pci/ac97/ac97_proc.c:320)
[  130.386412][ T4015]  ? ___sys_sendmsg (net/socket.c:2758)
[  130.386416][ T4015]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2))
[  130.386418][ T4015]  ? rtnl_newlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:366 net/core/rtnetlink.c:4214)
[  130.386420][ T4015]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  130.386422][ T4015]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  130.386423][ T4015]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  130.386425][ T4015]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  130.386426][ T4015]  ? trace_contention_end (./include/trace/events/lock.h:121 (discriminator 22))
[  130.386429][ T4015]  ? __mutex_lock (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:3188 kernel/locking/mutex.c:89 kernel/locking/mutex.c:134 kernel/locking/mutex.c:649 kernel/locking/mutex.c:821)
[  130.386430][ T4015]  ? __mutex_lock (kernel/locking/mutex.c:656 (discriminator 1) kernel/locking/mutex.c:821 (discriminator 1))
[  130.386432][ T4015]  ? rtnl_newlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:366 net/core/rtnetlink.c:4214)
[  130.386435][ T4015]  ? ww_mutex_lock (kernel/locking/mutex.c:934)
[  130.386437][ T4015]  ? nla_get_range_signed (lib/nlattr.c:270)
[  130.386442][ T4015]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  130.386444][ T4015]  ? __rtnl_newlink (net/core/rtnetlink.c:4063)
[  130.386449][ T4015]  rtnl_newlink (net/core/rtnetlink.c:4215)
[  130.386455][ T4015]  ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558)
[  130.386457][ T4015]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[  130.386461][ T4015]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2))
[  130.386463][ T4015]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[  130.386466][ T4015]  ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558)
[  130.386467][ T4015]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554)
[  130.386471][ T4015]  ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558)
[  130.386473][ T4015]  rtnetlink_rcv_msg (net/core/rtnetlink.c:7132)
[  130.386477][ T4015]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[  130.386478][ T4015]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[  130.386482][ T4015]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2))
[  130.386484][ T4015]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[  130.386488][ T4015]  netlink_rcv_skb (net/netlink/af_netlink.c:2556)
[  130.386491][ T4015]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[  130.386494][ T4015]  ? netlink_ack (./include/linux/skbuff.h:2718)
[  130.386500][ T4015]  ? netlink_deliver_tap (./include/linux/rcupdate.h:319 (discriminator 2) ./include/linux/rcupdate.h:880 (discriminator 2) ./include/net/netns/generic.h:48 (discriminator 2) net/netlink/af_netlink.c:334 (discriminator 2))
[  130.386503][ T4015]  ? netlink_deliver_tap (./include/linux/rcupdate.h:319 (discriminator 2) ./include/linux/rcupdate.h:880 (discriminator 2) net/netlink/af_netlink.c:341 (discriminator 2))
[  130.386507][ T4015]  netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[  130.386511][ T4015]  ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[  130.386514][ T4015]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[  130.386518][ T4015]  netlink_sendmsg (net/netlink/af_netlink.c:1900)
[  130.386522][ T4015]  ? netlink_unicast (./include/net/net_namespace.h:422 (discriminator 7))
[  130.386526][ T4015]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554)
[  130.386528][ T4015]  ? __import_iovec (lib/iov_iter.c:1358 lib/iov_iter.c:1373)
[  130.386533][ T4015]  __sock_sendmsg (net/socket.c:800 (discriminator 4) net/socket.c:815 (discriminator 4))
[  130.386536][ T4015]  ____sys_sendmsg (net/socket.c:2713)
[  130.386538][ T4015]  ? copy_msghdr_from_user (net/socket.c:2650)
[  130.386541][ T4015]  ? sock_write_iter (net/socket.c:1269)
[  130.386542][ T4015]  ? move_addr_to_kernel (net/socket.c:258)
[  130.386550][ T4015]  ___sys_sendmsg (net/socket.c:2767)
[  130.386552][ T4015]  ? copy_msghdr_from_user (net/socket.c:2619)
[  130.386568][ T4015]  __sys_sendmsg (net/socket.c:2799)
[  130.386571][ T4015]  ? __sys_sendmsg_sock (net/socket.c:2780)
[  130.386578][ T4015]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  130.386581][ T4015]  do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84)
[  130.386584][ T4015]  ? exc_page_fault (arch/x86/mm/fault.c:1489 (discriminator 3) arch/x86/mm/fault.c:1536 (discriminator 3))
[  130.386586][ T4015]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[  130.386589][ T4015] RIP: 0033:0x7f821b27d54e
[  130.386593][ T4015] Code: 4d 89 d8 e8 b4 bd 00 00 4c 8b 5d f8 41 8b 93 08 03 00 00 59 5e 48 83 f8 fc 74 11 c9 c3 0f 1f 80 00 00 00 00 48 8b 45 10 0f 05 <c9> c3 83 e2 39 83 fa 08 75 e7 e8 03 ff ff ff 0f 1f 00 f3 0f 1e fa
All code
========
   0:	4d 89 d8             	mov    %r11,%r8
   3:	e8 b4 bd 00 00       	call   0xbdbc
   8:	4c 8b 5d f8          	mov    -0x8(%rbp),%r11
   c:	41 8b 93 08 03 00 00 	mov    0x308(%r11),%edx
  13:	59                   	pop    %rcx
  14:	5e                   	pop    %rsi
  15:	48 83 f8 fc          	cmp    $0xfffffffffffffffc,%rax
  19:	74 11                	je     0x2c
  1b:	c9                   	leave
  1c:	c3                   	ret
  1d:	0f 1f 80 00 00 00 00 	nopl   0x0(%rax)
  24:	48 8b 45 10          	mov    0x10(%rbp),%rax
  28:	0f 05                	syscall
  2a:*	c9                   	leave		<-- trapping instruction
  2b:	c3                   	ret
  2c:	83 e2 39             	and    $0x39,%edx
  2f:	83 fa 08             	cmp    $0x8,%edx
  32:	75 e7                	jne    0x1b
  34:	e8 03 ff ff ff       	call   0xffffffffffffff3c
  39:	0f 1f 00             	nopl   (%rax)
  3c:	f3 0f 1e fa          	endbr64

Code starting with the faulting instruction
===========================================
   0:	c9                   	leave
   1:	c3                   	ret
   2:	83 e2 39             	and    $0x39,%edx
   5:	83 fa 08             	cmp    $0x8,%edx
   8:	75 e7                	jne    0xfffffffffffffff1
   a:	e8 03 ff ff ff       	call   0xffffffffffffff12
   f:	0f 1f 00             	nopl   (%rax)
  12:	f3 0f 1e fa          	endbr64
[  130.386594][ T4015] RSP: 002b:00007ffc011c2ff0 EFLAGS: 00000202 ORIG_RAX: 000000000000002e
[  130.386597][ T4015] RAX: ffffffffffffffda RBX: 0000000000000003 RCX: 00007f821b27d54e
[  130.386599][ T4015] RDX: 0000000000000000 RSI: 00007ffc011c30a0 RDI: 0000000000000005
[  130.386599][ T4015] RBP: 00007ffc011c3000 R08: 0000000000000000 R09: 0000000000000000
[  130.386600][ T4015] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a91652e
[  130.386601][ T4015] R13: 00000000004a1620 R14: 0000000000000000 R15: 00007ffc011c3760
| [  134.380024][   T70] softirqs last disabled at (4381252): vxlan_flush (./include/linux/spinlock.h:353 drivers/net/vxlan/vxlan_core.c:3094) vxlan
| [  134.380028][   T70] Preemption disabled at:
| [  134.380029][   T70] vprintk_emit (kernel/printk/printk.c:2471)
| [  134.380037][   T70] Tainted: [W]=WARN
[  134.380038][   T70] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[  134.380039][   T70] Workqueue: netns cleanup_net
[  134.380043][   T70] Call Trace:
[  134.380044][   T70]  <TASK>
[  134.380046][   T70]  dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120)
[  134.380052][   T70]  ? vprintk_emit (kernel/printk/printk.c:2471)
[  134.380054][   T70]  __might_resched.cold (kernel/sched/core.c:9234)
[  134.380058][   T70]  ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3))
[  134.380062][   T70]  ? __kmalloc_noprof (./include/linux/sched/mm.h:317 mm/slub.c:4636 mm/slub.c:4974 mm/slub.c:5413 mm/slub.c:5439)
[  134.380067][   T70]  __kmalloc_noprof (./include/linux/sched/mm.h:322 (discriminator 2) mm/slub.c:4636 (discriminator 2) mm/slub.c:4974 (discriminator 2) mm/slub.c:5413 (discriminator 2) mm/slub.c:5439 (discriminator 2))
[  134.380069][   T70]  ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[  134.380076][   T70]  ? do_raw_spin_unlock (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:32 ./include/asm-generic/qspinlock.h:58 kernel/locking/spinlock_debug.c:101 kernel/locking/spinlock_debug.c:141)
[  134.380078][   T70]  alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[  134.380082][   T70]  put_chars (drivers/char/virtio_console.c:1176)
[  134.380085][   T70]  ? __send_to_port (drivers/char/virtio_console.c:654)
[  134.380088][   T70]  ? validate_chain (kernel/locking/lockdep.c:159 kernel/locking/lockdep.c:191 kernel/locking/lockdep.c:3928)
[  134.380093][   T70]  hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2))
[  134.380097][   T70]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[  134.380102][   T70]  ? hvc_write (drivers/tty/hvc/hvc_console.c:501)
[  134.380105][   T70]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  134.380111][   T70]  console_emit_next_record (kernel/printk/printk.c:3183)
[  134.380119][   T70]  ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20)
[  134.380121][   T70]  ? console_flush_one_record (./include/linux/rcupdate.h:314 (discriminator 2) ./include/linux/srcu.h:439 (discriminator 2) kernel/printk/printk.c:291 (discriminator 2) kernel/printk/printk.c:3246 (discriminator 2))
[  134.380125][   T70]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  134.380127][   T70]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  134.380131][   T70]  console_flush_one_record (kernel/printk/printk.c:3268)
[  134.380135][   T70]  ? console_emit_next_record (kernel/printk/printk.c:3150)
[  134.380137][   T70]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[  134.380143][   T70]  console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420)
[  134.380146][   T70]  ? console_flush_one_record (kernel/printk/printk.c:3316)
[  134.380148][   T70]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  134.380149][   T70]  ? 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)
[  134.380153][   T70]  ? __down_trylock_console_sem (kernel/printk/printk.c:334)
[  134.380155][   T70]  ? vprintk_emit (kernel/printk/printk.c:2478)
[  134.380158][   T70]  vprintk_emit (kernel/printk/printk.c:2479)
[  134.380161][   T70]  ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126))
[  134.380163][   T70]  ? cleanup_net (net/core/net_namespace.c:706)
[  134.380164][   T70]  ? worker_thread (kernel/workqueue.c:3470 kernel/workqueue.c:3551)
[  134.380166][   T70]  ? kthread (kernel/kthread.c:436)
[  134.380169][   T70]  ? ret_from_fork (arch/x86/kernel/process.c:158)
[  134.380171][   T70]  ? ret_from_fork_asm (arch/x86/entry/entry_64.S:245)
[  134.380176][   T70]  _printk (kernel/printk/printk.c:2504)
[  134.380180][   T70]  ? snapshot_read.cold (user.c:?)
[  134.380185][   T70]  ? netdev_name (./include/linux/netdevice.h:5709 (discriminator 1))
[  134.380188][   T70]  ? __netdev_printk (net/core/dev.c:13148 (discriminator 2))
[  134.380192][   T70]  netdev_info (net/core/dev.c:13195 (discriminator 3))
[  134.380195][   T70]  ? netdev_notice (net/core/dev.c:13194)
[  134.380200][   T70]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  134.380202][   T70]  ? __up_read (kernel/locking/rwsem.c:1397 (discriminator 1))
[  134.380204][   T70]  ? down_write_nested (kernel/locking/rwsem.c:1759)
[  134.380206][   T70]  ? 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)
[  134.380209][   T70]  netif_set_allmulti.cold (net/core/dev.c:9731 (discriminator 3))
[  134.380213][   T70]  dev_set_allmulti (net/core/dev_api.c:315)
[  134.380217][   T70]  del_nbp (net/bridge/br_if.c:253 net/bridge/br_if.c:341)
[  134.380223][   T70]  br_dev_delete (net/bridge/br_if.c:387)
[  134.380227][   T70]  br_net_exit_rtnl (net/bridge/br.c:414)
[  134.380230][   T70]  ops_undo_list (net/core/net_namespace.c:181 net/core/net_namespace.c:249)
[  134.380234][   T70]  ? lockdep_hardirqs_on (kernel/locking/lockdep.c:4488)
[  134.380237][   T70]  ? netns_install (./include/linux/ns_common.h:26)
[  134.380239][   T70]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554)
[  134.380242][   T70]  ? idr_destroy (lib/radix-tree.c:310 lib/radix-tree.c:674 lib/radix-tree.c:1563)
[  134.380247][   T70]  cleanup_net (net/core/net_namespace.c:706)
[  134.380250][   T70]  ? net_passive_dec (./include/linux/llist.h:241)
[  134.380254][   T70]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  134.380256][   T70]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  134.380260][   T70]  process_one_work (kernel/workqueue.c:3387)
[  134.380266][   T70]  ? __queue_delayed_work (kernel/workqueue.c:2622)
[  134.380269][   T70]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2))
[  134.380277][   T70]  worker_thread (kernel/workqueue.c:3470 kernel/workqueue.c:3551)
[  134.380281][   T70]  ? rescuer_thread (./include/linux/list.h:419 (discriminator 3))
[  134.380284][   T70]  ? __kthread_parkme (./include/linux/instrumented.h:82 ./include/asm-generic/bitops/instrumented-non-atomic.h:141 kernel/kthread.c:272)
[  134.380286][   T70]  ? rescuer_thread (./include/linux/list.h:419 (discriminator 3))
[  134.380289][   T70]  ? rescuer_thread (./include/linux/list.h:419 (discriminator 3))
[  134.380291][   T70]  kthread (kernel/kthread.c:436)
[  134.380293][   T70]  ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22))
[  134.380296][   T70]  ? kthread_affine_preferred (kernel/kthread.c:857)
[  134.380299][   T70]  ret_from_fork (arch/x86/kernel/process.c:158)
[  134.380302][   T70]  ? arch_exit_to_user_mode_prepare.isra.0 (arch/x86/entry/vdso/vma.c:80 (discriminator 1))
[  134.380306][   T70]  ? __switch_to (arch/x86/kernel/process_64.c:403 arch/x86/kernel/process_64.c:663)
[  134.380309][   T70]  ? kthread_affine_preferred (kernel/kthread.c:857)
[  134.380312][   T70]  ret_from_fork_asm (arch/x86/entry/entry_64.S:245)
| [  137.927095][ T4230] softirqs last disabled at (45540): __alloc_skb (./include/linux/bottom_half.h:20 (discriminator 2) net/core/skbuff.c:697 (discriminator 2))
| [  137.927098][ T4230] Preemption disabled at:
| [  137.927098][ T4230] vprintk_emit (kernel/printk/printk.c:2471)
| [  137.927106][ T4230] Tainted: [W]=WARN
[  137.927107][ T4230] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[  137.927109][ T4230] Call Trace:
[  137.927110][ T4230]  <TASK>
[  137.927112][ T4230]  dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120)
[  137.927118][ T4230]  ? vprintk_emit (kernel/printk/printk.c:2471)
[  137.927119][ T4230]  __might_resched.cold (kernel/sched/core.c:9234)
[  137.927130][ T4230]  ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3))
[  137.927134][ 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)
[  137.927138][ 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))
[  137.927140][ T4230]  ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[  137.927147][ 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)
[  137.927149][ T4230]  alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[  137.927153][ T4230]  put_chars (drivers/char/virtio_console.c:1176)
[  137.927155][ T4230]  ? __send_to_port (drivers/char/virtio_console.c:654)
[  137.927157][ T4230]  ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4116 (discriminator 3) kernel/rcu/tree.c:4108 (discriminator 3))
[  137.927160][ T4230]  ? validate_chain (kernel/locking/lockdep.c:3817 (discriminator 2) kernel/locking/lockdep.c:3837 (discriminator 2) kernel/locking/lockdep.c:3892 (discriminator 2))
[  137.927165][ T4230]  hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2))
[  137.927173][ T4230]  ? hvc_write (drivers/tty/hvc/hvc_console.c:501)
[  137.927175][ T4230]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  137.927177][ T4230]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  137.927181][ T4230]  console_emit_next_record (kernel/printk/printk.c:3183)
[  137.927185][ T4230]  ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20)
[  137.927187][ 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))
[  137.927190][ T4230]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  137.927192][ T4230]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  137.927196][ T4230]  console_flush_one_record (kernel/printk/printk.c:3268)
[  137.927200][ T4230]  ? console_emit_next_record (kernel/printk/printk.c:3150)
[  137.927202][ T4230]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[  137.927207][ T4230]  console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420)
[  137.927210][ T4230]  ? console_flush_one_record (kernel/printk/printk.c:3316)
[  137.927212][ T4230]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  137.927213][ 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)
[  137.927217][ T4230]  ? __down_trylock_console_sem (kernel/printk/printk.c:334)
[  137.927219][ T4230]  ? vprintk_emit (kernel/printk/printk.c:2478)
[  137.927221][ T4230]  vprintk_emit (kernel/printk/printk.c:2479)
[  137.927224][ T4230]  ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126))
[  137.927226][ T4230]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554)
[  137.927229][ T4230]  ? mark_held_locks (kernel/locking/lockdep.c:4341)
[  137.927232][ T4230]  _printk (kernel/printk/printk.c:2504)
[  137.927236][ T4230]  ? snapshot_read.cold (user.c:?)
[  137.927239][ T4230]  ? br_multicast_flood (??:?)
[  137.927243][ T4230]  ? do_setlink.isra.0 (net/core/rtnetlink.c:3273 (discriminator 1))
[  137.927244][ T4230]  ? rtnl_newlink (net/core/rtnetlink.c:4215)
[  137.927245][ T4230]  ? rtnetlink_rcv_msg (net/core/rtnetlink.c:7132)
[  137.927249][ T4230]  br_set_state (net/bridge/br_stp.c:57 (discriminator 2))
[  137.927254][ T4230]  br_init_port (net/bridge/br_stp_if.c:39)
[  137.927256][ T4230]  new_nbp (net/bridge/br_if.c:449)
[  137.927260][ T4230]  br_add_if (net/bridge/br_if.c:592)
[  137.927262][ T4230]  ? is_bpf_text_address (./include/linux/rcupdate.h:882 kernel/bpf/core.c:751)
[  137.927266][ T4230]  ? kernel_text_address (kernel/extable.c:125 kernel/extable.c:94)
[  137.927271][ T4230]  do_set_master (net/core/rtnetlink.c:3071)
[  137.927274][ T4230]  do_setlink.isra.0 (net/core/rtnetlink.c:3273 (discriminator 1))
[  137.927277][ T4230]  ? stack_trace_save (kernel/stacktrace.c:122 (discriminator 1))
[  137.927281][ T4230]  ? rtnl_link_get_size (net/core/rtnetlink.c:747)
[  137.927282][ T4230]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:388 kernel/rcu/update.c:380)
[  137.927285][ T4230]  ? stack_depot_save_flags (lib/stackdepot.c:609 (discriminator 2) lib/stackdepot.c:676 (discriminator 2))
[  137.927288][ T4230]  ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4116 (discriminator 3) kernel/rcu/tree.c:4108 (discriminator 3))
[  137.927290][ T4230]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380)
[  137.927292][ T4230]  ? validate_chain (kernel/locking/lockdep.c:3817 (discriminator 2) kernel/locking/lockdep.c:3837 (discriminator 2) kernel/locking/lockdep.c:3892 (discriminator 2))
[  137.927294][ T4230]  ? kasan_save_stack (mm/kasan/common.c:58)
[  137.927297][ T4230]  ? kasan_save_stack (mm/kasan/common.c:57)
[  137.927298][ T4230]  ? kasan_save_track (mm/kasan/common.c:78)
[  137.927299][ T4230]  ? __kasan_kmalloc (mm/kasan/common.c:398 mm/kasan/common.c:415)
[  137.927301][ T4230]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[  137.927303][ T4230]  ? snd_ac97_proc_read_main (sound/pci/ac97/ac97_proc.c:320)
[  137.927306][ T4230]  ? ___sys_sendmsg (net/socket.c:2758)
[  137.927310][ T4230]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2))
[  137.927312][ T4230]  ? rtnl_newlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:366 net/core/rtnetlink.c:4214)
[  137.927314][ T4230]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  137.927316][ T4230]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  137.927318][ T4230]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  137.927319][ T4230]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  137.927320][ T4230]  ? trace_contention_end (./include/trace/events/lock.h:121 (discriminator 22))
[  137.927322][ 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)
[  137.927325][ T4230]  ? __mutex_lock (kernel/locking/mutex.c:656 (discriminator 1) kernel/locking/mutex.c:821 (discriminator 1))
[  137.927327][ T4230]  ? rtnl_newlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:366 net/core/rtnetlink.c:4214)
[  137.927330][ T4230]  ? ww_mutex_lock (kernel/locking/mutex.c:934)
[  137.927331][ T4230]  ? nla_get_range_signed (lib/nlattr.c:270)
[  137.927336][ T4230]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  137.927338][ T4230]  ? __rtnl_newlink (net/core/rtnetlink.c:4063)
[  137.927343][ T4230]  rtnl_newlink (net/core/rtnetlink.c:4215)
[  137.927349][ T4230]  ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558)
[  137.927350][ T4230]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[  137.927355][ T4230]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2))
[  137.927357][ T4230]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[  137.927359][ T4230]  ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558)
[  137.927361][ T4230]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554)
[  137.927364][ T4230]  ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558)
[  137.927366][ T4230]  rtnetlink_rcv_msg (net/core/rtnetlink.c:7132)
[  137.927369][ T4230]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[  137.927371][ T4230]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[  137.927375][ T4230]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2))
[  137.927377][ T4230]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[  137.927380][ T4230]  netlink_rcv_skb (net/netlink/af_netlink.c:2556)
[  137.927384][ T4230]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[  137.927386][ T4230]  ? netlink_ack (./include/linux/skbuff.h:2718)
[  137.927393][ 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))
[  137.927395][ 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))
[  137.927399][ T4230]  netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[  137.927403][ T4230]  ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[  137.927406][ T4230]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[  137.927410][ T4230]  netlink_sendmsg (net/netlink/af_netlink.c:1900)
[  137.927414][ T4230]  ? netlink_unicast (./include/net/net_namespace.h:422 (discriminator 7))
[  137.927417][ T4230]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554)
[  137.927419][ T4230]  ? __import_iovec (lib/iov_iter.c:1358 lib/iov_iter.c:1373)
[  137.927424][ T4230]  __sock_sendmsg (net/socket.c:800 (discriminator 4) net/socket.c:815 (discriminator 4))
[  137.927427][ T4230]  ____sys_sendmsg (net/socket.c:2713)
[  137.927429][ T4230]  ? copy_msghdr_from_user (net/socket.c:2650)
[  137.927431][ T4230]  ? sock_write_iter (net/socket.c:1269)
[  137.927433][ T4230]  ? move_addr_to_kernel (net/socket.c:258)
[  137.927440][ T4230]  ___sys_sendmsg (net/socket.c:2767)
[  137.927443][ T4230]  ? copy_msghdr_from_user (net/socket.c:2619)
[  137.927458][ T4230]  __sys_sendmsg (net/socket.c:2799)
[  137.927461][ T4230]  ? __sys_sendmsg_sock (net/socket.c:2780)
[  137.927467][ T4230]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  137.927470][ T4230]  do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84)
[  137.927473][ T4230]  ? exc_page_fault (arch/x86/mm/fault.c:1489 (discriminator 3) arch/x86/mm/fault.c:1536 (discriminator 3))
[  137.927476][ T4230]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[  137.927478][ T4230] RIP: 0033:0x7fefbbd9d54e
[  137.927481][ 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
[  137.927483][ T4230] RSP: 002b:00007ffe99339640 EFLAGS: 00000202 ORIG_RAX: 000000000000002e
[  137.927486][ T4230] RAX: ffffffffffffffda RBX: 0000000000000003 RCX: 00007fefbbd9d54e
[  137.927487][ T4230] RDX: 0000000000000000 RSI: 00007ffe993396f0 RDI: 0000000000000005
[  137.927488][ T4230] RBP: 00007ffe99339650 R08: 0000000000000000 R09: 0000000000000000
[  137.927489][ T4230] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a916536
[  137.927490][ T4230] R13: 00000000004a1620 R14: 0000000000000000 R15: 00007ffe99339db0
| [  141.889174][   T70] softirqs last disabled at (4615604): vxlan_flush (./include/linux/spinlock.h:353 drivers/net/vxlan/vxlan_core.c:3094) vxlan
| [  141.889178][   T70] Preemption disabled at:
| [  141.889178][   T70] vprintk_emit (kernel/printk/printk.c:2471)
| [  141.889187][   T70] Tainted: [W]=WARN
[  141.889188][   T70] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[  141.889189][   T70] Workqueue: netns cleanup_net
[  141.889193][   T70] Call Trace:
[  141.889194][   T70]  <TASK>
[  141.889196][   T70]  dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120)
[  141.889202][   T70]  ? vprintk_emit (kernel/printk/printk.c:2471)
[  141.889204][   T70]  __might_resched.cold (kernel/sched/core.c:9234)
[  141.889209][   T70]  ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3))
[  141.889213][   T70]  ? __kmalloc_noprof (./include/linux/sched/mm.h:317 mm/slub.c:4636 mm/slub.c:4974 mm/slub.c:5413 mm/slub.c:5439)
[  141.889218][   T70]  __kmalloc_noprof (./include/linux/sched/mm.h:322 (discriminator 2) mm/slub.c:4636 (discriminator 2) mm/slub.c:4974 (discriminator 2) mm/slub.c:5413 (discriminator 2) mm/slub.c:5439 (discriminator 2))
[  141.889220][   T70]  ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[  141.889227][   T70]  ? do_raw_spin_unlock (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:32 ./include/asm-generic/qspinlock.h:58 kernel/locking/spinlock_debug.c:101 kernel/locking/spinlock_debug.c:141)
[  141.889229][   T70]  alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[  141.889233][   T70]  put_chars (drivers/char/virtio_console.c:1176)
[  141.889236][   T70]  ? __send_to_port (drivers/char/virtio_console.c:654)
[  141.889237][   T70]  ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4116 (discriminator 3) kernel/rcu/tree.c:4108 (discriminator 3))
[  141.889241][   T70]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380)
[  141.889244][   T70]  ? validate_chain (kernel/locking/lockdep.c:3817 (discriminator 2) kernel/locking/lockdep.c:3837 (discriminator 2) kernel/locking/lockdep.c:3892 (discriminator 2))
[  141.889249][   T70]  hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2))
[  141.889253][   T70]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[  141.889259][   T70]  ? hvc_write (drivers/tty/hvc/hvc_console.c:501)
[  141.889262][   T70]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  141.889267][   T70]  console_emit_next_record (kernel/printk/printk.c:3183)
[  141.889272][   T70]  ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20)
[  141.889274][   T70]  ? console_flush_one_record (./include/linux/rcupdate.h:314 (discriminator 2) ./include/linux/srcu.h:439 (discriminator 2) kernel/printk/printk.c:291 (discriminator 2) kernel/printk/printk.c:3246 (discriminator 2))
[  141.889277][   T70]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  141.889279][   T70]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  141.889283][   T70]  console_flush_one_record (kernel/printk/printk.c:3268)
[  141.889288][   T70]  ? console_emit_next_record (kernel/printk/printk.c:3150)
[  141.889290][   T70]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[  141.889295][   T70]  console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420)
[  141.889298][   T70]  ? console_flush_one_record (kernel/printk/printk.c:3316)
[  141.889300][   T70]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  141.889302][   T70]  ? 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)
[  141.889306][   T70]  ? __down_trylock_console_sem (kernel/printk/printk.c:334)
[  141.889308][   T70]  ? vprintk_emit (kernel/printk/printk.c:2478)
[  141.889311][   T70]  vprintk_emit (kernel/printk/printk.c:2479)
[  141.889314][   T70]  ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126))
[  141.889316][   T70]  ? cleanup_net (net/core/net_namespace.c:706)
[  141.889318][   T70]  ? worker_thread (kernel/workqueue.c:3470 kernel/workqueue.c:3551)
[  141.889320][   T70]  ? kthread (kernel/kthread.c:436)
[  141.889322][   T70]  ? ret_from_fork (arch/x86/kernel/process.c:158)
[  141.889325][   T70]  ? ret_from_fork_asm (arch/x86/entry/entry_64.S:245)
[  141.889330][   T70]  _printk (kernel/printk/printk.c:2504)
[  141.889334][   T70]  ? snapshot_read.cold (user.c:?)
[  141.889338][   T70]  ? netdev_name (./include/linux/netdevice.h:5709 (discriminator 1))
[  141.889342][   T70]  ? __netdev_printk (net/core/dev.c:13148 (discriminator 2))
[  141.889346][   T70]  netdev_info (net/core/dev.c:13195 (discriminator 3))
[  141.889349][   T70]  ? netdev_notice (net/core/dev.c:13194)
[  141.889354][   T70]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  141.889356][   T70]  ? __up_read (kernel/locking/rwsem.c:1397 (discriminator 1))
[  141.889358][   T70]  ? down_write_nested (kernel/locking/rwsem.c:1759)
[  141.889360][   T70]  ? 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)
[  141.889363][   T70]  netif_set_allmulti.cold (net/core/dev.c:9731 (discriminator 3))
[  141.889367][   T70]  dev_set_allmulti (net/core/dev_api.c:315)
[  141.889371][   T70]  del_nbp (net/bridge/br_if.c:253 net/bridge/br_if.c:341)
[  141.889378][   T70]  br_dev_delete (net/bridge/br_if.c:387)
[  141.889381][   T70]  br_net_exit_rtnl (net/bridge/br.c:414)
[  141.889385][   T70]  ops_undo_list (net/core/net_namespace.c:181 net/core/net_namespace.c:249)
[  141.889389][   T70]  ? lockdep_hardirqs_on (kernel/locking/lockdep.c:4488)
[  141.889393][   T70]  ? netns_install (./include/linux/ns_common.h:26)
[  141.889394][   T70]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554)
[  141.889398][   T70]  ? idr_destroy (lib/radix-tree.c:310 lib/radix-tree.c:674 lib/radix-tree.c:1563)
[  141.889403][   T70]  cleanup_net (net/core/net_namespace.c:706)
[  141.889406][   T70]  ? net_passive_dec (./include/linux/llist.h:241)
[  141.889410][   T70]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  141.889412][   T70]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  141.889415][   T70]  process_one_work (kernel/workqueue.c:3387)
[  141.889423][   T70]  ? __queue_delayed_work (kernel/workqueue.c:2622)
[  141.889426][   T70]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2))
[  141.889434][   T70]  worker_thread (kernel/workqueue.c:3470 kernel/workqueue.c:3551)
[  141.889438][   T70]  ? rescuer_thread (./include/linux/list.h:419 (discriminator 3))
[  141.889441][   T70]  ? __kthread_parkme (./include/linux/instrumented.h:82 ./include/asm-generic/bitops/instrumented-non-atomic.h:141 kernel/kthread.c:272)
[  141.889444][   T70]  ? rescuer_thread (./include/linux/list.h:419 (discriminator 3))
[  141.889447][   T70]  ? rescuer_thread (./include/linux/list.h:419 (discriminator 3))
[  141.889449][   T70]  kthread (kernel/kthread.c:436)
[  141.889451][   T70]  ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22))
[  141.889454][   T70]  ? kthread_affine_preferred (kernel/kthread.c:857)
[  141.889458][   T70]  ret_from_fork (arch/x86/kernel/process.c:158)
[  141.889460][   T70]  ? arch_exit_to_user_mode_prepare.isra.0 (arch/x86/entry/vdso/vma.c:80 (discriminator 1))
[  141.889464][   T70]  ? __switch_to (arch/x86/kernel/process_64.c:403 arch/x86/kernel/process_64.c:663)
[  141.889468][   T70]  ? kthread_affine_preferred (kernel/kthread.c:857)
[  141.889471][   T70]  ret_from_fork_asm (arch/x86/entry/entry_64.S:245)
| [  145.245700][ T4432] softirqs last disabled at (44736): __alloc_skb (./include/linux/bottom_half.h:20 (discriminator 2) net/core/skbuff.c:697 (discriminator 2))
| [  145.245702][ T4432] Preemption disabled at:
| [  145.245703][ T4432] vprintk_emit (kernel/printk/printk.c:2471)
| [  145.245712][ T4432] Tainted: [W]=WARN
[  145.245713][ T4432] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[  145.245714][ T4432] Call Trace:
[  145.245716][ T4432]  <TASK>
[  145.245718][ T4432]  dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120)
[  145.245724][ T4432]  ? vprintk_emit (kernel/printk/printk.c:2471)
[  145.245726][ T4432]  __might_resched.cold (kernel/sched/core.c:9234)
[  145.245730][ T4432]  ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3))
[  145.245734][ T4432]  ? __kmalloc_noprof (./include/linux/sched/mm.h:317 mm/slub.c:4636 mm/slub.c:4974 mm/slub.c:5413 mm/slub.c:5439)
[  145.245739][ T4432]  __kmalloc_noprof (./include/linux/sched/mm.h:322 (discriminator 2) mm/slub.c:4636 (discriminator 2) mm/slub.c:4974 (discriminator 2) mm/slub.c:5413 (discriminator 2) mm/slub.c:5439 (discriminator 2))
[  145.245740][ T4432]  ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[  145.245747][ T4432]  ? do_raw_spin_unlock (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:32 ./include/asm-generic/qspinlock.h:58 kernel/locking/spinlock_debug.c:101 kernel/locking/spinlock_debug.c:141)
[  145.245750][ T4432]  alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[  145.245753][ T4432]  put_chars (drivers/char/virtio_console.c:1176)
[  145.245756][ T4432]  ? __send_to_port (drivers/char/virtio_console.c:654)
[  145.245757][ T4432]  ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4116 (discriminator 3) kernel/rcu/tree.c:4108 (discriminator 3))
[  145.245761][ T4432]  ? validate_chain (kernel/locking/lockdep.c:3817 (discriminator 2) kernel/locking/lockdep.c:3837 (discriminator 2) kernel/locking/lockdep.c:3892 (discriminator 2))
[  145.245766][ T4432]  hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2))
[  145.245776][ T4432]  ? hvc_write (drivers/tty/hvc/hvc_console.c:501)
[  145.245779][ T4432]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  145.245781][ T4432]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  145.245785][ T4432]  console_emit_next_record (kernel/printk/printk.c:3183)
[  145.245789][ T4432]  ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20)
[  145.245791][ T4432]  ? console_flush_one_record (./include/linux/rcupdate.h:314 (discriminator 2) ./include/linux/srcu.h:439 (discriminator 2) kernel/printk/printk.c:291 (discriminator 2) kernel/printk/printk.c:3246 (discriminator 2))
[  145.245794][ T4432]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  145.245796][ T4432]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  145.245800][ T4432]  console_flush_one_record (kernel/printk/printk.c:3268)
[  145.245804][ T4432]  ? console_emit_next_record (kernel/printk/printk.c:3150)
[  145.245806][ T4432]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[  145.245811][ T4432]  console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420)
[  145.245814][ T4432]  ? console_flush_one_record (kernel/printk/printk.c:3316)
[  145.245816][ T4432]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  145.245817][ T4432]  ? lock_acquire (./include/linux/srcutree.h:374 ./include/linux/srcu.h:541 ./include/linux/srcu.h:645 ./include/trace/events/lock.h:23 ./include/trace/events/lock.h:23 kernel/locking/lockdep.c:5871)
[  145.245821][ T4432]  ? __down_trylock_console_sem (kernel/printk/printk.c:334)
[  145.245823][ T4432]  ? vprintk_emit (kernel/printk/printk.c:2478)
[  145.245826][ T4432]  vprintk_emit (kernel/printk/printk.c:2479)
[  145.245829][ T4432]  ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126))
[  145.245830][ T4432]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554)
[  145.245833][ T4432]  ? mark_held_locks (kernel/locking/lockdep.c:4341)
[  145.245837][ T4432]  _printk (kernel/printk/printk.c:2504)
[  145.245841][ T4432]  ? snapshot_read.cold (user.c:?)
[  145.245844][ T4432]  ? br_multicast_flood (??:?)
[  145.245848][ T4432]  ? do_setlink.isra.0 (net/core/rtnetlink.c:3273 (discriminator 1))
[  145.245849][ T4432]  ? rtnl_newlink (net/core/rtnetlink.c:4215)
[  145.245850][ T4432]  ? rtnetlink_rcv_msg (net/core/rtnetlink.c:7132)
[  145.245855][ T4432]  br_set_state (net/bridge/br_stp.c:57 (discriminator 2))
[  145.245859][ T4432]  br_init_port (net/bridge/br_stp_if.c:39)
[  145.245861][ T4432]  new_nbp (net/bridge/br_if.c:449)
[  145.245865][ T4432]  br_add_if (net/bridge/br_if.c:592)
[  145.245867][ T4432]  ? is_bpf_text_address (./include/linux/rcupdate.h:882 kernel/bpf/core.c:751)
[  145.245871][ T4432]  ? kernel_text_address (kernel/extable.c:125 kernel/extable.c:94)
[  145.245876][ T4432]  do_set_master (net/core/rtnetlink.c:3071)
[  145.245880][ T4432]  do_setlink.isra.0 (net/core/rtnetlink.c:3273 (discriminator 1))
[  145.245883][ T4432]  ? stack_trace_save (kernel/stacktrace.c:122 (discriminator 1))
[  145.245886][ T4432]  ? rtnl_link_get_size (net/core/rtnetlink.c:747)
[  145.245888][ T4432]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:388 kernel/rcu/update.c:380)
[  145.245890][ T4432]  ? stack_depot_save_flags (lib/stackdepot.c:609 (discriminator 2) lib/stackdepot.c:676 (discriminator 2))
[  145.245894][ T4432]  ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4116 (discriminator 3) kernel/rcu/tree.c:4108 (discriminator 3))
[  145.245896][ T4432]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380)
[  145.245897][ T4432]  ? validate_chain (kernel/locking/lockdep.c:3817 (discriminator 2) kernel/locking/lockdep.c:3837 (discriminator 2) kernel/locking/lockdep.c:3892 (discriminator 2))
[  145.245900][ T4432]  ? kasan_save_stack (mm/kasan/common.c:58)
[  145.245902][ T4432]  ? kasan_save_stack (mm/kasan/common.c:57)
[  145.245903][ T4432]  ? kasan_save_track (mm/kasan/common.c:78)
[  145.245904][ T4432]  ? __kasan_kmalloc (mm/kasan/common.c:398 mm/kasan/common.c:415)
[  145.245907][ T4432]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[  145.245909][ T4432]  ? snd_ac97_proc_read_main (sound/pci/ac97/ac97_proc.c:320)
[  145.245911][ T4432]  ? ___sys_sendmsg (net/socket.c:2758)
[  145.245915][ T4432]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2))
[  145.245917][ T4432]  ? rtnl_newlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:366 net/core/rtnetlink.c:4214)
[  145.245920][ T4432]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  145.245922][ T4432]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  145.245923][ T4432]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  145.245924][ T4432]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  145.245926][ T4432]  ? trace_contention_end (./include/trace/events/lock.h:121 (discriminator 22))
[  145.245928][ T4432]  ? __mutex_lock (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:3188 kernel/locking/mutex.c:89 kernel/locking/mutex.c:134 kernel/locking/mutex.c:649 kernel/locking/mutex.c:821)
[  145.245930][ T4432]  ? __mutex_lock (kernel/locking/mutex.c:656 (discriminator 1) kernel/locking/mutex.c:821 (discriminator 1))
[  145.245932][ T4432]  ? rtnl_newlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:366 net/core/rtnetlink.c:4214)
[  145.245936][ T4432]  ? ww_mutex_lock (kernel/locking/mutex.c:934)
[  145.245937][ T4432]  ? nla_get_range_signed (lib/nlattr.c:270)
[  145.245942][ T4432]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  145.245944][ T4432]  ? __rtnl_newlink (net/core/rtnetlink.c:4063)
[  145.245949][ T4432]  rtnl_newlink (net/core/rtnetlink.c:4215)
[  145.245954][ T4432]  ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558)
[  145.245956][ T4432]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[  145.245961][ T4432]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2))
[  145.245963][ T4432]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[  145.245965][ T4432]  ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558)
[  145.245967][ T4432]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554)
[  145.245970][ T4432]  ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558)
[  145.245973][ T4432]  rtnetlink_rcv_msg (net/core/rtnetlink.c:7132)
[  145.245976][ T4432]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[  145.245977][ T4432]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[  145.245981][ T4432]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2))
[  145.245983][ T4432]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[  145.245987][ T4432]  netlink_rcv_skb (net/netlink/af_netlink.c:2556)
[  145.245990][ T4432]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[  145.245993][ T4432]  ? netlink_ack (./include/linux/skbuff.h:2718)
[  145.245999][ T4432]  ? netlink_deliver_tap (./include/linux/rcupdate.h:319 (discriminator 2) ./include/linux/rcupdate.h:880 (discriminator 2) ./include/net/netns/generic.h:48 (discriminator 2) net/netlink/af_netlink.c:334 (discriminator 2))
[  145.246001][ T4432]  ? netlink_deliver_tap (./include/linux/rcupdate.h:319 (discriminator 2) ./include/linux/rcupdate.h:880 (discriminator 2) net/netlink/af_netlink.c:341 (discriminator 2))
[  145.246006][ T4432]  netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[  145.246010][ T4432]  ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[  145.246012][ T4432]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[  145.246017][ T4432]  netlink_sendmsg (net/netlink/af_netlink.c:1900)
[  145.246021][ T4432]  ? netlink_unicast (./include/net/net_namespace.h:422 (discriminator 7))
[  145.246025][ T4432]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554)
[  145.246026][ T4432]  ? __import_iovec (lib/iov_iter.c:1358 lib/iov_iter.c:1373)
[  145.246031][ T4432]  __sock_sendmsg (net/socket.c:800 (discriminator 4) net/socket.c:815 (discriminator 4))
[  145.246034][ T4432]  ____sys_sendmsg (net/socket.c:2713)
[  145.246036][ T4432]  ? copy_msghdr_from_user (net/socket.c:2650)
[  145.246039][ T4432]  ? sock_write_iter (net/socket.c:1269)
[  145.246040][ T4432]  ? move_addr_to_kernel (net/socket.c:258)
[  145.246048][ T4432]  ___sys_sendmsg (net/socket.c:2767)
[  145.246051][ T4432]  ? copy_msghdr_from_user (net/socket.c:2619)
[  145.246067][ T4432]  __sys_sendmsg (net/socket.c:2799)
[  145.246070][ T4432]  ? __sys_sendmsg_sock (net/socket.c:2780)
[  145.246076][ T4432]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  145.246079][ T4432]  do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84)
[  145.246082][ T4432]  ? exc_page_fault (arch/x86/mm/fault.c:1489 (discriminator 3) arch/x86/mm/fault.c:1536 (discriminator 3))
[  145.246085][ T4432]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[  145.246087][ T4432] RIP: 0033:0x7f2afd27e54e
[  145.246091][ T4432] Code: 4d 89 d8 e8 b4 bd 00 00 4c 8b 5d f8 41 8b 93 08 03 00 00 59 5e 48 83 f8 fc 74 11 c9 c3 0f 1f 80 00 00 00 00 48 8b 45 10 0f 05 <c9> c3 83 e2 39 83 fa 08 75 e7 e8 03 ff ff ff 0f 1f 00 f3 0f 1e fa
All code
========
   0:	4d 89 d8             	mov    %r11,%r8
   3:	e8 b4 bd 00 00       	call   0xbdbc
   8:	4c 8b 5d f8          	mov    -0x8(%rbp),%r11
   c:	41 8b 93 08 03 00 00 	mov    0x308(%r11),%edx
  13:	59                   	pop    %rcx
  14:	5e                   	pop    %rsi
  15:	48 83 f8 fc          	cmp    $0xfffffffffffffffc,%rax
  19:	74 11                	je     0x2c
  1b:	c9                   	leave
  1c:	c3                   	ret
  1d:	0f 1f 80 00 00 00 00 	nopl   0x0(%rax)
  24:	48 8b 45 10          	mov    0x10(%rbp),%rax
  28:	0f 05                	syscall
  2a:*	c9                   	leave		<-- trapping instruction
  2b:	c3                   	ret
  2c:	83 e2 39             	and    $0x39,%edx
  2f:	83 fa 08             	cmp    $0x8,%edx
  32:	75 e7                	jne    0x1b
  34:	e8 03 ff ff ff       	call   0xffffffffffffff3c
  39:	0f 1f 00             	nopl   (%rax)
  3c:	f3 0f 1e fa          	endbr64

Code starting with the faulting instruction
===========================================
   0:	c9                   	leave
   1:	c3                   	ret
   2:	83 e2 39             	and    $0x39,%edx
   5:	83 fa 08             	cmp    $0x8,%edx
   8:	75 e7                	jne    0xfffffffffffffff1
   a:	e8 03 ff ff ff       	call   0xffffffffffffff12
   f:	0f 1f 00             	nopl   (%rax)
  12:	f3 0f 1e fa          	endbr64
[  145.246092][ T4432] RSP: 002b:00007ffc965b0e20 EFLAGS: 00000202 ORIG_RAX: 000000000000002e
[  145.246095][ T4432] RAX: ffffffffffffffda RBX: 0000000000000003 RCX: 00007f2afd27e54e
[  145.246097][ T4432] RDX: 0000000000000000 RSI: 00007ffc965b0ed0 RDI: 0000000000000005
[  145.246097][ T4432] RBP: 00007ffc965b0e30 R08: 0000000000000000 R09: 0000000000000000
[  145.246098][ T4432] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a91653d
[  145.246099][ T4432] R13: 00000000004a1620 R14: 0000000000000000 R15: 00007ffc965b1590
| [  149.234085][   T70] softirqs last disabled at (4818682): vxlan_flush (./include/linux/spinlock.h:353 drivers/net/vxlan/vxlan_core.c:3094) vxlan
| [  149.234089][   T70] Preemption disabled at:
| [  149.234090][   T70] vprintk_emit (kernel/printk/printk.c:2471)
| [  149.234098][   T70] Tainted: [W]=WARN
[  149.234099][   T70] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[  149.234101][   T70] Workqueue: netns cleanup_net
[  149.234103][   T70] Call Trace:
[  149.234105][   T70]  <TASK>
[  149.234107][   T70]  dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120)
[  149.234113][   T70]  ? vprintk_emit (kernel/printk/printk.c:2471)
[  149.234115][   T70]  __might_resched.cold (kernel/sched/core.c:9234)
[  149.234119][   T70]  ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3))
[  149.234123][   T70]  ? __kmalloc_noprof (./include/linux/sched/mm.h:317 mm/slub.c:4636 mm/slub.c:4974 mm/slub.c:5413 mm/slub.c:5439)
[  149.234128][   T70]  __kmalloc_noprof (./include/linux/sched/mm.h:322 (discriminator 2) mm/slub.c:4636 (discriminator 2) mm/slub.c:4974 (discriminator 2) mm/slub.c:5413 (discriminator 2) mm/slub.c:5439 (discriminator 2))
[  149.234130][   T70]  ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[  149.234137][   T70]  ? do_raw_spin_unlock (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:32 ./include/asm-generic/qspinlock.h:58 kernel/locking/spinlock_debug.c:101 kernel/locking/spinlock_debug.c:141)
[  149.234140][   T70]  alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[  149.234148][   T70]  put_chars (drivers/char/virtio_console.c:1176)
[  149.234151][   T70]  ? __send_to_port (drivers/char/virtio_console.c:654)
[  149.234152][   T70]  ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4116 (discriminator 3) kernel/rcu/tree.c:4108 (discriminator 3))
[  149.234156][   T70]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380)
[  149.234159][   T70]  ? validate_chain (kernel/locking/lockdep.c:3817 (discriminator 2) kernel/locking/lockdep.c:3837 (discriminator 2) kernel/locking/lockdep.c:3892 (discriminator 2))
[  149.234164][   T70]  hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2))
[  149.234168][   T70]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[  149.234173][   T70]  ? hvc_write (drivers/tty/hvc/hvc_console.c:501)
[  149.234177][   T70]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  149.234181][   T70]  console_emit_next_record (kernel/printk/printk.c:3183)
[  149.234185][   T70]  ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20)
[  149.234187][   T70]  ? console_flush_one_record (./include/linux/rcupdate.h:314 (discriminator 2) ./include/linux/srcu.h:439 (discriminator 2) kernel/printk/printk.c:291 (discriminator 2) kernel/printk/printk.c:3246 (discriminator 2))
[  149.234191][   T70]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  149.234192][   T70]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  149.234196][   T70]  console_flush_one_record (kernel/printk/printk.c:3268)
[  149.234201][   T70]  ? console_emit_next_record (kernel/printk/printk.c:3150)
[  149.234203][   T70]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[  149.234208][   T70]  console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420)
[  149.234211][   T70]  ? console_flush_one_record (kernel/printk/printk.c:3316)
[  149.234213][   T70]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  149.234215][   T70]  ? 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)
[  149.234218][   T70]  ? __down_trylock_console_sem (kernel/printk/printk.c:334)
[  149.234220][   T70]  ? vprintk_emit (kernel/printk/printk.c:2478)
[  149.234223][   T70]  vprintk_emit (kernel/printk/printk.c:2479)
[  149.234226][   T70]  ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126))
[  149.234228][   T70]  ? cleanup_net (net/core/net_namespace.c:706)
[  149.234229][   T70]  ? worker_thread (kernel/workqueue.c:3470 kernel/workqueue.c:3551)
[  149.234231][   T70]  ? kthread (kernel/kthread.c:436)
[  149.234234][   T70]  ? ret_from_fork (arch/x86/kernel/process.c:158)
[  149.234237][   T70]  ? ret_from_fork_asm (arch/x86/entry/entry_64.S:245)
[  149.234242][   T70]  _printk (kernel/printk/printk.c:2504)
[  149.234245][   T70]  ? snapshot_read.cold (user.c:?)
[  149.234250][   T70]  ? netdev_name (./include/linux/netdevice.h:5709 (discriminator 1))
[  149.234253][   T70]  ? __netdev_printk (net/core/dev.c:13148 (discriminator 2))
[  149.234257][   T70]  netdev_info (net/core/dev.c:13195 (discriminator 3))
[  149.234260][   T70]  ? netdev_notice (net/core/dev.c:13194)
[  149.234265][   T70]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  149.234267][   T70]  ? __up_read (kernel/locking/rwsem.c:1397 (discriminator 1))
[  149.234269][   T70]  ? down_write_nested (kernel/locking/rwsem.c:1759)
[  149.234271][   T70]  ? 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)
[  149.234274][   T70]  netif_set_allmulti.cold (net/core/dev.c:9731 (discriminator 3))
[  149.234278][   T70]  dev_set_allmulti (net/core/dev_api.c:315)
[  149.234282][   T70]  del_nbp (net/bridge/br_if.c:253 net/bridge/br_if.c:341)
[  149.234288][   T70]  br_dev_delete (net/bridge/br_if.c:387)
[  149.234292][   T70]  br_net_exit_rtnl (net/bridge/br.c:414)
[  149.234295][   T70]  ops_undo_list (net/core/net_namespace.c:181 net/core/net_namespace.c:249)
[  149.234299][   T70]  ? lockdep_hardirqs_on (kernel/locking/lockdep.c:4488)
[  149.234303][   T70]  ? netns_install (./include/linux/ns_common.h:26)
[  149.234304][   T70]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554)
[  149.234307][   T70]  ? idr_destroy (lib/radix-tree.c:310 lib/radix-tree.c:674 lib/radix-tree.c:1563)
[  149.234312][   T70]  cleanup_net (net/core/net_namespace.c:706)
[  149.234315][   T70]  ? net_passive_dec (./include/linux/llist.h:241)
[  149.234319][   T70]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  149.234321][   T70]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  149.234325][   T70]  process_one_work (kernel/workqueue.c:3387)
[  149.234332][   T70]  ? __queue_delayed_work (kernel/workqueue.c:2622)
[  149.234335][   T70]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2))
[  149.234342][   T70]  worker_thread (kernel/workqueue.c:3470 kernel/workqueue.c:3551)
[  149.234347][   T70]  ? rescuer_thread (./include/linux/list.h:419 (discriminator 3))
[  149.234349][   T70]  ? __kthread_parkme (./include/linux/instrumented.h:82 ./include/asm-generic/bitops/instrumented-non-atomic.h:141 kernel/kthread.c:272)
[  149.234352][   T70]  ? rescuer_thread (./include/linux/list.h:419 (discriminator 3))
[  149.234355][   T70]  ? rescuer_thread (./include/linux/list.h:419 (discriminator 3))
[  149.234357][   T70]  kthread (kernel/kthread.c:436)
[  149.234358][   T70]  ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22))
[  149.234362][   T70]  ? kthread_affine_preferred (kernel/kthread.c:857)
[  149.234365][   T70]  ret_from_fork (arch/x86/kernel/process.c:158)
[  149.234368][   T70]  ? arch_exit_to_user_mode_prepare.isra.0 (arch/x86/entry/vdso/vma.c:80 (discriminator 1))
[  149.234371][   T70]  ? __switch_to (arch/x86/kernel/process_64.c:403 arch/x86/kernel/process_64.c:663)
[  149.234375][   T70]  ? kthread_affine_preferred (kernel/kthread.c:857)
[  149.234378][   T70]  ret_from_fork_asm (arch/x86/entry/entry_64.S:245)
| [  152.766896][ T4646] softirqs last disabled at (32869): __irq_exit_rcu (kernel/softirq.c:679 kernel/softirq.c:519 kernel/softirq.c:767)
| [  152.766899][ T4646] Preemption disabled at:
| [  152.766899][ T4646] vprintk_emit (kernel/printk/printk.c:2471)
| [  152.766908][ T4646] Tainted: [W]=WARN
[  152.766909][ T4646] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[  152.766910][ T4646] Call Trace:
[  152.766912][ T4646]  <TASK>
[  152.766914][ T4646]  dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120)
[  152.766920][ T4646]  ? vprintk_emit (kernel/printk/printk.c:2471)
[  152.766922][ T4646]  __might_resched.cold (kernel/sched/core.c:9234)
[  152.766926][ T4646]  ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3))
[  152.766930][ T4646]  ? __kmalloc_noprof (./include/linux/sched/mm.h:317 mm/slub.c:4636 mm/slub.c:4974 mm/slub.c:5413 mm/slub.c:5439)
[  152.766935][ T4646]  __kmalloc_noprof (./include/linux/sched/mm.h:322 (discriminator 2) mm/slub.c:4636 (discriminator 2) mm/slub.c:4974 (discriminator 2) mm/slub.c:5413 (discriminator 2) mm/slub.c:5439 (discriminator 2))
[  152.766937][ T4646]  ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[  152.766943][ T4646]  ? do_raw_spin_unlock (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:32 ./include/asm-generic/qspinlock.h:58 kernel/locking/spinlock_debug.c:101 kernel/locking/spinlock_debug.c:141)
[  152.766946][ T4646]  alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[  152.766950][ T4646]  put_chars (drivers/char/virtio_console.c:1176)
[  152.766953][ T4646]  ? __send_to_port (drivers/char/virtio_console.c:654)
[  152.766954][ T4646]  ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4116 (discriminator 3) kernel/rcu/tree.c:4108 (discriminator 3))
[  152.766958][ T4646]  ? validate_chain (kernel/locking/lockdep.c:3817 (discriminator 2) kernel/locking/lockdep.c:3837 (discriminator 2) kernel/locking/lockdep.c:3892 (discriminator 2))
[  152.766963][ T4646]  hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2))
[  152.766971][ T4646]  ? hvc_write (drivers/tty/hvc/hvc_console.c:501)
[  152.766974][ T4646]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  152.766976][ T4646]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  152.766980][ T4646]  console_emit_next_record (kernel/printk/printk.c:3183)
[  152.766984][ T4646]  ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20)
[  152.766986][ T4646]  ? console_flush_one_record (./include/linux/rcupdate.h:314 (discriminator 2) ./include/linux/srcu.h:439 (discriminator 2) kernel/printk/printk.c:291 (discriminator 2) kernel/printk/printk.c:3246 (discriminator 2))
[  152.766989][ T4646]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  152.766991][ T4646]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  152.766995][ T4646]  console_flush_one_record (kernel/printk/printk.c:3268)
[  152.767000][ T4646]  ? console_emit_next_record (kernel/printk/printk.c:3150)
[  152.767001][ T4646]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[  152.767007][ T4646]  console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420)
[  152.767010][ T4646]  ? console_flush_one_record (kernel/printk/printk.c:3316)
[  152.767012][ T4646]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  152.767014][ T4646]  ? lock_acquire (./include/linux/srcutree.h:374 ./include/linux/srcu.h:541 ./include/linux/srcu.h:645 ./include/trace/events/lock.h:23 ./include/trace/events/lock.h:23 kernel/locking/lockdep.c:5871)
[  152.767017][ T4646]  ? __down_trylock_console_sem (kernel/printk/printk.c:334)
[  152.767020][ T4646]  ? vprintk_emit (kernel/printk/printk.c:2478)
[  152.767022][ T4646]  vprintk_emit (kernel/printk/printk.c:2479)
[  152.767026][ T4646]  ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126))
[  152.767028][ T4646]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554)
[  152.767030][ T4646]  ? mark_held_locks (kernel/locking/lockdep.c:4341)
[  152.767034][ T4646]  _printk (kernel/printk/printk.c:2504)
[  152.767038][ T4646]  ? snapshot_read.cold (user.c:?)
[  152.767041][ T4646]  ? br_multicast_flood (??:?)
[  152.767045][ T4646]  ? do_setlink.isra.0 (net/core/rtnetlink.c:3273 (discriminator 1))
[  152.767046][ T4646]  ? rtnl_newlink (net/core/rtnetlink.c:4215)
[  152.767047][ T4646]  ? rtnetlink_rcv_msg (net/core/rtnetlink.c:7132)
[  152.767052][ T4646]  br_set_state (net/bridge/br_stp.c:57 (discriminator 2))
[  152.767056][ T4646]  br_init_port (net/bridge/br_stp_if.c:39)
[  152.767059][ T4646]  new_nbp (net/bridge/br_if.c:449)
[  152.767063][ T4646]  br_add_if (net/bridge/br_if.c:592)
[  152.767065][ T4646]  ? is_bpf_text_address (./include/linux/rcupdate.h:882 kernel/bpf/core.c:751)
[  152.767069][ T4646]  ? kernel_text_address (kernel/extable.c:125 kernel/extable.c:94)
[  152.767074][ T4646]  do_set_master (net/core/rtnetlink.c:3071)
[  152.767078][ T4646]  do_setlink.isra.0 (net/core/rtnetlink.c:3273 (discriminator 1))
[  152.767082][ T4646]  ? stack_trace_save (kernel/stacktrace.c:122 (discriminator 1))
[  152.767085][ T4646]  ? rtnl_link_get_size (net/core/rtnetlink.c:747)
[  152.767086][ T4646]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:388 kernel/rcu/update.c:380)
[  152.767089][ T4646]  ? stack_depot_save_flags (lib/stackdepot.c:609 (discriminator 2) lib/stackdepot.c:676 (discriminator 2))
[  152.767093][ T4646]  ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4116 (discriminator 3) kernel/rcu/tree.c:4108 (discriminator 3))
[  152.767095][ T4646]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380)
[  152.767097][ T4646]  ? validate_chain (kernel/locking/lockdep.c:3817 (discriminator 2) kernel/locking/lockdep.c:3837 (discriminator 2) kernel/locking/lockdep.c:3892 (discriminator 2))
[  152.767099][ T4646]  ? kasan_save_stack (mm/kasan/common.c:58)
[  152.767101][ T4646]  ? kasan_save_stack (mm/kasan/common.c:57)
[  152.767103][ T4646]  ? kasan_save_track (mm/kasan/common.c:78)
[  152.767104][ T4646]  ? __kasan_kmalloc (mm/kasan/common.c:398 mm/kasan/common.c:415)
[  152.767106][ T4646]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[  152.767108][ T4646]  ? snd_ac97_proc_read_main (sound/pci/ac97/ac97_proc.c:320)
[  152.767112][ T4646]  ? ___sys_sendmsg (net/socket.c:2758)
[  152.767116][ T4646]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2))
[  152.767118][ T4646]  ? rtnl_newlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:366 net/core/rtnetlink.c:4214)
[  152.767120][ T4646]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  152.767122][ T4646]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  152.767124][ T4646]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  152.767125][ T4646]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  152.767127][ T4646]  ? trace_contention_end (./include/trace/events/lock.h:121 (discriminator 22))
[  152.767129][ T4646]  ? __mutex_lock (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:3188 kernel/locking/mutex.c:89 kernel/locking/mutex.c:134 kernel/locking/mutex.c:649 kernel/locking/mutex.c:821)
[  152.767132][ T4646]  ? __mutex_lock (kernel/locking/mutex.c:656 (discriminator 1) kernel/locking/mutex.c:821 (discriminator 1))
[  152.767134][ T4646]  ? rtnl_newlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:366 net/core/rtnetlink.c:4214)
[  152.767137][ T4646]  ? ww_mutex_lock (kernel/locking/mutex.c:934)
[  152.767139][ T4646]  ? nla_get_range_signed (lib/nlattr.c:270)
[  152.767144][ T4646]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  152.767151][ T4646]  ? __rtnl_newlink (net/core/rtnetlink.c:4063)
[  152.767156][ T4646]  rtnl_newlink (net/core/rtnetlink.c:4215)
[  152.767162][ T4646]  ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558)
[  152.767164][ T4646]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[  152.767169][ T4646]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2))
[  152.767171][ T4646]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[  152.767173][ T4646]  ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558)
[  152.767175][ T4646]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554)
[  152.767179][ T4646]  ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558)
[  152.767181][ T4646]  rtnetlink_rcv_msg (net/core/rtnetlink.c:7132)
[  152.767184][ T4646]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[  152.767185][ T4646]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[  152.767190][ T4646]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2))
[  152.767192][ T4646]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[  152.767196][ T4646]  netlink_rcv_skb (net/netlink/af_netlink.c:2556)
[  152.767199][ T4646]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[  152.767202][ T4646]  ? netlink_ack (./include/linux/skbuff.h:2718)
[  152.767209][ T4646]  ? netlink_deliver_tap (./include/linux/rcupdate.h:319 (discriminator 2) ./include/linux/rcupdate.h:880 (discriminator 2) ./include/net/netns/generic.h:48 (discriminator 2) net/netlink/af_netlink.c:334 (discriminator 2))
[  152.767211][ T4646]  ? netlink_deliver_tap (./include/linux/rcupdate.h:319 (discriminator 2) ./include/linux/rcupdate.h:880 (discriminator 2) net/netlink/af_netlink.c:341 (discriminator 2))
[  152.767215][ T4646]  netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[  152.767219][ T4646]  ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[  152.767222][ T4646]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[  152.767227][ T4646]  netlink_sendmsg (net/netlink/af_netlink.c:1900)
[  152.767231][ T4646]  ? netlink_unicast (./include/net/net_namespace.h:422 (discriminator 7))
[  152.767235][ T4646]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554)
[  152.767237][ T4646]  ? __import_iovec (lib/iov_iter.c:1358 lib/iov_iter.c:1373)
[  152.767242][ T4646]  __sock_sendmsg (net/socket.c:800 (discriminator 4) net/socket.c:815 (discriminator 4))
[  152.767245][ T4646]  ____sys_sendmsg (net/socket.c:2713)
[  152.767247][ T4646]  ? copy_msghdr_from_user (net/socket.c:2650)
[  152.767250][ T4646]  ? sock_write_iter (net/socket.c:1269)
[  152.767251][ T4646]  ? move_addr_to_kernel (net/socket.c:258)
[  152.767259][ T4646]  ___sys_sendmsg (net/socket.c:2767)
[  152.767262][ T4646]  ? copy_msghdr_from_user (net/socket.c:2619)
[  152.767279][ T4646]  __sys_sendmsg (net/socket.c:2799)
[  152.767282][ T4646]  ? __sys_sendmsg_sock (net/socket.c:2780)
[  152.767289][ T4646]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  152.767292][ T4646]  do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84)
[  152.767295][ T4646]  ? exc_page_fault (arch/x86/mm/fault.c:1489 (discriminator 3) arch/x86/mm/fault.c:1536 (discriminator 3))
[  152.767298][ T4646]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[  152.767300][ T4646] RIP: 0033:0x7ffbf1ed954e
[  152.767304][ T4646] Code: 4d 89 d8 e8 b4 bd 00 00 4c 8b 5d f8 41 8b 93 08 03 00 00 59 5e 48 83 f8 fc 74 11 c9 c3 0f 1f 80 00 00 00 00 48 8b 45 10 0f 05 <c9> c3 83 e2 39 83 fa 08 75 e7 e8 03 ff ff ff 0f 1f 00 f3 0f 1e fa
All code
========
   0:	4d 89 d8             	mov    %r11,%r8
   3:	e8 b4 bd 00 00       	call   0xbdbc
   8:	4c 8b 5d f8          	mov    -0x8(%rbp),%r11
   c:	41 8b 93 08 03 00 00 	mov    0x308(%r11),%edx
  13:	59                   	pop    %rcx
  14:	5e                   	pop    %rsi
  15:	48 83 f8 fc          	cmp    $0xfffffffffffffffc,%rax
  19:	74 11                	je     0x2c
  1b:	c9                   	leave
  1c:	c3                   	ret
  1d:	0f 1f 80 00 00 00 00 	nopl   0x0(%rax)
  24:	48 8b 45 10          	mov    0x10(%rbp),%rax
  28:	0f 05                	syscall
  2a:*	c9                   	leave		<-- trapping instruction
  2b:	c3                   	ret
  2c:	83 e2 39             	and    $0x39,%edx
  2f:	83 fa 08             	cmp    $0x8,%edx
  32:	75 e7                	jne    0x1b
  34:	e8 03 ff ff ff       	call   0xffffffffffffff3c
  39:	0f 1f 00             	nopl   (%rax)
  3c:	f3 0f 1e fa          	endbr64

Code starting with the faulting instruction
===========================================
   0:	c9                   	leave
   1:	c3                   	ret
   2:	83 e2 39             	and    $0x39,%edx
   5:	83 fa 08             	cmp    $0x8,%edx
   8:	75 e7                	jne    0xfffffffffffffff1
   a:	e8 03 ff ff ff       	call   0xffffffffffffff12
   f:	0f 1f 00             	nopl   (%rax)
  12:	f3 0f 1e fa          	endbr64
[  152.767305][ T4646] RSP: 002b:00007ffccefa9670 EFLAGS: 00000202 ORIG_RAX: 000000000000002e
[  152.767308][ T4646] RAX: ffffffffffffffda RBX: 0000000000000003 RCX: 00007ffbf1ed954e
[  152.767309][ T4646] RDX: 0000000000000000 RSI: 00007ffccefa9720 RDI: 0000000000000005
[  152.767310][ T4646] RBP: 00007ffccefa9680 R08: 0000000000000000 R09: 0000000000000000
[  152.767311][ T4646] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a916545
[  152.767312][ T4646] R13: 00000000004a1620 R14: 0000000000000000 R15: 00007ffccefa9de0
| [  156.787278][   T70] softirqs last disabled at (5041124): vxlan_flush (./include/linux/spinlock.h:353 drivers/net/vxlan/vxlan_core.c:3094) vxlan
| [  156.787282][   T70] Preemption disabled at:
| [  156.787282][   T70] vprintk_emit (kernel/printk/printk.c:2471)
| [  156.787291][   T70] Tainted: [W]=WARN
[  156.787292][   T70] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[  156.787293][   T70] Workqueue: netns cleanup_net
[  156.787296][   T70] Call Trace:
[  156.787298][   T70]  <TASK>
[  156.787299][   T70]  dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120)
[  156.787306][   T70]  ? vprintk_emit (kernel/printk/printk.c:2471)
[  156.787307][   T70]  __might_resched.cold (kernel/sched/core.c:9234)
[  156.787312][   T70]  ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3))
[  156.787316][   T70]  ? __kmalloc_noprof (./include/linux/sched/mm.h:317 mm/slub.c:4636 mm/slub.c:4974 mm/slub.c:5413 mm/slub.c:5439)
[  156.787320][   T70]  __kmalloc_noprof (./include/linux/sched/mm.h:322 (discriminator 2) mm/slub.c:4636 (discriminator 2) mm/slub.c:4974 (discriminator 2) mm/slub.c:5413 (discriminator 2) mm/slub.c:5439 (discriminator 2))
[  156.787322][   T70]  ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[  156.787329][   T70]  ? do_raw_spin_unlock (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:32 ./include/asm-generic/qspinlock.h:58 kernel/locking/spinlock_debug.c:101 kernel/locking/spinlock_debug.c:141)
[  156.787332][   T70]  alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[  156.787336][   T70]  put_chars (drivers/char/virtio_console.c:1176)
[  156.787338][   T70]  ? __send_to_port (drivers/char/virtio_console.c:654)
[  156.787339][   T70]  ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4116 (discriminator 3) kernel/rcu/tree.c:4108 (discriminator 3))
[  156.787343][   T70]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380)
[  156.787346][   T70]  ? validate_chain (kernel/locking/lockdep.c:3817 (discriminator 2) kernel/locking/lockdep.c:3837 (discriminator 2) kernel/locking/lockdep.c:3892 (discriminator 2))
[  156.787351][   T70]  hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2))
[  156.787355][   T70]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[  156.787361][   T70]  ? hvc_write (drivers/tty/hvc/hvc_console.c:501)
[  156.787364][   T70]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  156.787369][   T70]  console_emit_next_record (kernel/printk/printk.c:3183)
[  156.787373][   T70]  ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20)
[  156.787375][   T70]  ? console_flush_one_record (./include/linux/rcupdate.h:314 (discriminator 2) ./include/linux/srcu.h:439 (discriminator 2) kernel/printk/printk.c:291 (discriminator 2) kernel/printk/printk.c:3246 (discriminator 2))
[  156.787378][   T70]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  156.787380][   T70]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  156.787384][   T70]  console_flush_one_record (kernel/printk/printk.c:3268)
[  156.787388][   T70]  ? console_emit_next_record (kernel/printk/printk.c:3150)
[  156.787390][   T70]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[  156.787395][   T70]  console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420)
[  156.787398][   T70]  ? console_flush_one_record (kernel/printk/printk.c:3316)
[  156.787400][   T70]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  156.787402][   T70]  ? 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)
[  156.787406][   T70]  ? __down_trylock_console_sem (kernel/printk/printk.c:334)
[  156.787407][   T70]  ? vprintk_emit (kernel/printk/printk.c:2478)
[  156.787410][   T70]  vprintk_emit (kernel/printk/printk.c:2479)
[  156.787413][   T70]  ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126))
[  156.787415][   T70]  ? cleanup_net (net/core/net_namespace.c:706)
[  156.787417][   T70]  ? worker_thread (kernel/workqueue.c:3470 kernel/workqueue.c:3551)
[  156.787419][   T70]  ? kthread (kernel/kthread.c:436)
[  156.787421][   T70]  ? ret_from_fork (arch/x86/kernel/process.c:158)
[  156.787424][   T70]  ? ret_from_fork_asm (arch/x86/entry/entry_64.S:245)
[  156.787429][   T70]  _printk (kernel/printk/printk.c:2504)
[  156.787432][   T70]  ? snapshot_read.cold (user.c:?)
[  156.787437][   T70]  ? netdev_name (./include/linux/netdevice.h:5709 (discriminator 1))
[  156.787440][   T70]  ? __netdev_printk (net/core/dev.c:13148 (discriminator 2))
[  156.787444][   T70]  netdev_info (net/core/dev.c:13195 (discriminator 3))
[  156.787447][   T70]  ? netdev_notice (net/core/dev.c:13194)
[  156.787452][   T70]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  156.787454][   T70]  ? __up_read (kernel/locking/rwsem.c:1397 (discriminator 1))
[  156.787456][   T70]  ? down_write_nested (kernel/locking/rwsem.c:1759)
[  156.787458][   T70]  ? 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)
[  156.787461][   T70]  netif_set_allmulti.cold (net/core/dev.c:9731 (discriminator 3))
[  156.787465][   T70]  dev_set_allmulti (net/core/dev_api.c:315)
[  156.787469][   T70]  del_nbp (net/bridge/br_if.c:253 net/bridge/br_if.c:341)
[  156.787475][   T70]  br_dev_delete (net/bridge/br_if.c:387)
[  156.787479][   T70]  br_net_exit_rtnl (net/bridge/br.c:414)
[  156.787482][   T70]  ops_undo_list (net/core/net_namespace.c:181 net/core/net_namespace.c:249)
[  156.787486][   T70]  ? lockdep_hardirqs_on (kernel/locking/lockdep.c:4488)
[  156.787490][   T70]  ? netns_install (./include/linux/ns_common.h:26)
[  156.787492][   T70]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554)
[  156.787495][   T70]  ? idr_destroy (lib/radix-tree.c:310 lib/radix-tree.c:674 lib/radix-tree.c:1563)
[  156.787500][   T70]  cleanup_net (net/core/net_namespace.c:706)
[  156.787503][   T70]  ? net_passive_dec (./include/linux/llist.h:241)
[  156.787507][   T70]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  156.787508][   T70]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  156.787512][   T70]  process_one_work (kernel/workqueue.c:3387)
[  156.787519][   T70]  ? __queue_delayed_work (kernel/workqueue.c:2622)
[  156.787522][   T70]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2))
[  156.787530][   T70]  worker_thread (kernel/workqueue.c:3470 kernel/workqueue.c:3551)
[  156.787534][   T70]  ? rescuer_thread (./include/linux/list.h:419 (discriminator 3))
[  156.787536][   T70]  ? __kthread_parkme (./include/linux/instrumented.h:82 ./include/asm-generic/bitops/instrumented-non-atomic.h:141 kernel/kthread.c:272)
[  156.787539][   T70]  ? rescuer_thread (./include/linux/list.h:419 (discriminator 3))
[  156.787541][   T70]  ? rescuer_thread (./include/linux/list.h:419 (discriminator 3))
[  156.787544][   T70]  kthread (kernel/kthread.c:436)
[  156.787545][   T70]  ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22))
[  156.787549][   T70]  ? kthread_affine_preferred (kernel/kthread.c:857)
[  156.787552][   T70]  ret_from_fork (arch/x86/kernel/process.c:158)
[  156.787554][   T70]  ? arch_exit_to_user_mode_prepare.isra.0 (arch/x86/entry/vdso/vma.c:80 (discriminator 1))
[  156.787558][   T70]  ? __switch_to (arch/x86/kernel/process_64.c:403 arch/x86/kernel/process_64.c:663)
[  156.787561][   T70]  ? kthread_affine_preferred (kernel/kthread.c:857)
[  156.787564][   T70]  ret_from_fork_asm (arch/x86/entry/entry_64.S:245)
| [  160.086784][ T4848] softirqs last disabled at (42426): __alloc_skb (./include/linux/bottom_half.h:20 (discriminator 2) net/core/skbuff.c:697 (discriminator 2))
| [  160.086787][ T4848] Preemption disabled at:
| [  160.086787][ T4848] vprintk_emit (kernel/printk/printk.c:2471)
| [  160.086796][ T4848] Tainted: [W]=WARN
[  160.086797][ T4848] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[  160.086798][ T4848] Call Trace:
[  160.086800][ T4848]  <TASK>
[  160.086802][ T4848]  dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120)
[  160.086807][ T4848]  ? vprintk_emit (kernel/printk/printk.c:2471)
[  160.086809][ T4848]  __might_resched.cold (kernel/sched/core.c:9234)
[  160.086813][ T4848]  ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3))
[  160.086817][ T4848]  ? __kmalloc_noprof (./include/linux/sched/mm.h:317 mm/slub.c:4636 mm/slub.c:4974 mm/slub.c:5413 mm/slub.c:5439)
[  160.086821][ T4848]  __kmalloc_noprof (./include/linux/sched/mm.h:322 (discriminator 2) mm/slub.c:4636 (discriminator 2) mm/slub.c:4974 (discriminator 2) mm/slub.c:5413 (discriminator 2) mm/slub.c:5439 (discriminator 2))
[  160.086823][ T4848]  ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[  160.086830][ T4848]  ? do_raw_spin_unlock (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:32 ./include/asm-generic/qspinlock.h:58 kernel/locking/spinlock_debug.c:101 kernel/locking/spinlock_debug.c:141)
[  160.086833][ T4848]  alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[  160.086836][ T4848]  put_chars (drivers/char/virtio_console.c:1176)
[  160.086839][ T4848]  ? __send_to_port (drivers/char/virtio_console.c:654)
[  160.086840][ T4848]  ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4116 (discriminator 3) kernel/rcu/tree.c:4108 (discriminator 3))
[  160.086843][ T4848]  ? validate_chain (kernel/locking/lockdep.c:3817 (discriminator 2) kernel/locking/lockdep.c:3837 (discriminator 2) kernel/locking/lockdep.c:3892 (discriminator 2))
[  160.086849][ T4848]  hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2))
[  160.086856][ T4848]  ? hvc_write (drivers/tty/hvc/hvc_console.c:501)
[  160.086859][ T4848]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  160.086861][ T4848]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  160.086865][ T4848]  console_emit_next_record (kernel/printk/printk.c:3183)
[  160.086869][ T4848]  ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20)
[  160.086871][ T4848]  ? console_flush_one_record (./include/linux/rcupdate.h:314 (discriminator 2) ./include/linux/srcu.h:439 (discriminator 2) kernel/printk/printk.c:291 (discriminator 2) kernel/printk/printk.c:3246 (discriminator 2))
[  160.086874][ T4848]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  160.086876][ T4848]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  160.086880][ T4848]  console_flush_one_record (kernel/printk/printk.c:3268)
[  160.086884][ T4848]  ? console_emit_next_record (kernel/printk/printk.c:3150)
[  160.086886][ T4848]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[  160.086891][ T4848]  console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420)
[  160.086894][ T4848]  ? console_flush_one_record (kernel/printk/printk.c:3316)
[  160.086896][ T4848]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  160.086897][ T4848]  ? lock_acquire (./include/linux/srcutree.h:374 ./include/linux/srcu.h:541 ./include/linux/srcu.h:645 ./include/trace/events/lock.h:23 ./include/trace/events/lock.h:23 kernel/locking/lockdep.c:5871)
[  160.086901][ T4848]  ? __down_trylock_console_sem (kernel/printk/printk.c:334)
[  160.086903][ T4848]  ? vprintk_emit (kernel/printk/printk.c:2478)
[  160.086905][ T4848]  vprintk_emit (kernel/printk/printk.c:2479)
[  160.086908][ T4848]  ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126))
[  160.086910][ T4848]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554)
[  160.086913][ T4848]  ? mark_held_locks (kernel/locking/lockdep.c:4341)
[  160.086916][ T4848]  _printk (kernel/printk/printk.c:2504)
[  160.086920][ T4848]  ? snapshot_read.cold (user.c:?)
[  160.086924][ T4848]  ? br_multicast_flood (??:?)
[  160.086927][ T4848]  ? do_setlink.isra.0 (net/core/rtnetlink.c:3273 (discriminator 1))
[  160.086928][ T4848]  ? rtnl_newlink (net/core/rtnetlink.c:4215)
[  160.086929][ T4848]  ? rtnetlink_rcv_msg (net/core/rtnetlink.c:7132)
[  160.086934][ T4848]  br_set_state (net/bridge/br_stp.c:57 (discriminator 2))
[  160.086938][ T4848]  br_init_port (net/bridge/br_stp_if.c:39)
[  160.086940][ T4848]  new_nbp (net/bridge/br_if.c:449)
[  160.086944][ T4848]  br_add_if (net/bridge/br_if.c:592)
[  160.086946][ T4848]  ? is_bpf_text_address (./include/linux/rcupdate.h:882 kernel/bpf/core.c:751)
[  160.086950][ T4848]  ? kernel_text_address (kernel/extable.c:125 kernel/extable.c:94)
[  160.086955][ T4848]  do_set_master (net/core/rtnetlink.c:3071)
[  160.086959][ T4848]  do_setlink.isra.0 (net/core/rtnetlink.c:3273 (discriminator 1))
[  160.086962][ T4848]  ? stack_trace_save (kernel/stacktrace.c:122 (discriminator 1))
[  160.086965][ T4848]  ? rtnl_link_get_size (net/core/rtnetlink.c:747)
[  160.086966][ T4848]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:388 kernel/rcu/update.c:380)
[  160.086969][ T4848]  ? stack_depot_save_flags (lib/stackdepot.c:609 (discriminator 2) lib/stackdepot.c:676 (discriminator 2))
[  160.086973][ T4848]  ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4116 (discriminator 3) kernel/rcu/tree.c:4108 (discriminator 3))
[  160.086975][ T4848]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380)
[  160.086976][ T4848]  ? validate_chain (kernel/locking/lockdep.c:3817 (discriminator 2) kernel/locking/lockdep.c:3837 (discriminator 2) kernel/locking/lockdep.c:3892 (discriminator 2))
[  160.086979][ T4848]  ? kasan_save_stack (mm/kasan/common.c:58)
[  160.086981][ T4848]  ? kasan_save_stack (mm/kasan/common.c:57)
[  160.086982][ T4848]  ? kasan_save_track (mm/kasan/common.c:78)
[  160.086984][ T4848]  ? __kasan_kmalloc (mm/kasan/common.c:398 mm/kasan/common.c:415)
[  160.086986][ T4848]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[  160.086988][ T4848]  ? snd_ac97_proc_read_main (sound/pci/ac97/ac97_proc.c:320)
[  160.086991][ T4848]  ? ___sys_sendmsg (net/socket.c:2758)
[  160.086994][ T4848]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2))
[  160.086996][ T4848]  ? rtnl_newlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:366 net/core/rtnetlink.c:4214)
[  160.086999][ T4848]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  160.087001][ T4848]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  160.087002][ T4848]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  160.087003][ T4848]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  160.087005][ T4848]  ? trace_contention_end (./include/trace/events/lock.h:121 (discriminator 22))
[  160.087008][ T4848]  ? __mutex_lock (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:3188 kernel/locking/mutex.c:89 kernel/locking/mutex.c:134 kernel/locking/mutex.c:649 kernel/locking/mutex.c:821)
[  160.087010][ T4848]  ? __mutex_lock (kernel/locking/mutex.c:656 (discriminator 1) kernel/locking/mutex.c:821 (discriminator 1))
[  160.087012][ T4848]  ? rtnl_newlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:366 net/core/rtnetlink.c:4214)
[  160.087015][ T4848]  ? ww_mutex_lock (kernel/locking/mutex.c:934)
[  160.087017][ T4848]  ? nla_get_range_signed (lib/nlattr.c:270)
[  160.087021][ T4848]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  160.087023][ T4848]  ? __rtnl_newlink (net/core/rtnetlink.c:4063)
[  160.087029][ T4848]  rtnl_newlink (net/core/rtnetlink.c:4215)
[  160.087034][ T4848]  ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558)
[  160.087036][ T4848]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[  160.087040][ T4848]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2))
[  160.087042][ T4848]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[  160.087044][ T4848]  ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558)
[  160.087046][ T4848]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554)
[  160.087050][ T4848]  ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558)
[  160.087052][ T4848]  rtnetlink_rcv_msg (net/core/rtnetlink.c:7132)
[  160.087055][ T4848]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[  160.087056][ T4848]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[  160.087061][ T4848]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2))
[  160.087063][ T4848]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[  160.087066][ T4848]  netlink_rcv_skb (net/netlink/af_netlink.c:2556)
[  160.087069][ T4848]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[  160.087072][ T4848]  ? netlink_ack (./include/linux/skbuff.h:2718)
[  160.087078][ T4848]  ? netlink_deliver_tap (./include/linux/rcupdate.h:319 (discriminator 2) ./include/linux/rcupdate.h:880 (discriminator 2) ./include/net/netns/generic.h:48 (discriminator 2) net/netlink/af_netlink.c:334 (discriminator 2))
[  160.087080][ T4848]  ? netlink_deliver_tap (./include/linux/rcupdate.h:319 (discriminator 2) ./include/linux/rcupdate.h:880 (discriminator 2) net/netlink/af_netlink.c:341 (discriminator 2))
[  160.087085][ T4848]  netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[  160.087089][ T4848]  ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[  160.087091][ T4848]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[  160.087095][ T4848]  netlink_sendmsg (net/netlink/af_netlink.c:1900)
[  160.087099][ T4848]  ? netlink_unicast (./include/net/net_namespace.h:422 (discriminator 7))
[  160.087103][ T4848]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554)
[  160.087105][ T4848]  ? __import_iovec (lib/iov_iter.c:1358 lib/iov_iter.c:1373)
[  160.087110][ T4848]  __sock_sendmsg (net/socket.c:800 (discriminator 4) net/socket.c:815 (discriminator 4))
[  160.087113][ T4848]  ____sys_sendmsg (net/socket.c:2713)
[  160.087115][ T4848]  ? copy_msghdr_from_user (net/socket.c:2650)
[  160.087117][ T4848]  ? sock_write_iter (net/socket.c:1269)
[  160.087119][ T4848]  ? move_addr_to_kernel (net/socket.c:258)
[  160.087126][ T4848]  ___sys_sendmsg (net/socket.c:2767)
[  160.087129][ T4848]  ? copy_msghdr_from_user (net/socket.c:2619)
[  160.087144][ T4848]  __sys_sendmsg (net/socket.c:2799)
[  160.087147][ T4848]  ? __sys_sendmsg_sock (net/socket.c:2780)
[  160.087153][ T4848]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  160.087156][ T4848]  do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84)
[  160.087163][ T4848]  ? exc_page_fault (arch/x86/mm/fault.c:1489 (discriminator 3) arch/x86/mm/fault.c:1536 (discriminator 3))
[  160.087166][ T4848]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[  160.087168][ T4848] RIP: 0033:0x7f1eb9aad54e
[  160.087172][ T4848] Code: 4d 89 d8 e8 b4 bd 00 00 4c 8b 5d f8 41 8b 93 08 03 00 00 59 5e 48 83 f8 fc 74 11 c9 c3 0f 1f 80 00 00 00 00 48 8b 45 10 0f 05 <c9> c3 83 e2 39 83 fa 08 75 e7 e8 03 ff ff ff 0f 1f 00 f3 0f 1e fa
All code
========
   0:	4d 89 d8             	mov    %r11,%r8
   3:	e8 b4 bd 00 00       	call   0xbdbc
   8:	4c 8b 5d f8          	mov    -0x8(%rbp),%r11
   c:	41 8b 93 08 03 00 00 	mov    0x308(%r11),%edx
  13:	59                   	pop    %rcx
  14:	5e                   	pop    %rsi
  15:	48 83 f8 fc          	cmp    $0xfffffffffffffffc,%rax
  19:	74 11                	je     0x2c
  1b:	c9                   	leave
  1c:	c3                   	ret
  1d:	0f 1f 80 00 00 00 00 	nopl   0x0(%rax)
  24:	48 8b 45 10          	mov    0x10(%rbp),%rax
  28:	0f 05                	syscall
  2a:*	c9                   	leave		<-- trapping instruction
  2b:	c3                   	ret
  2c:	83 e2 39             	and    $0x39,%edx
  2f:	83 fa 08             	cmp    $0x8,%edx
  32:	75 e7                	jne    0x1b
  34:	e8 03 ff ff ff       	call   0xffffffffffffff3c
  39:	0f 1f 00             	nopl   (%rax)
  3c:	f3 0f 1e fa          	endbr64

Code starting with the faulting instruction
===========================================
   0:	c9                   	leave
   1:	c3                   	ret
   2:	83 e2 39             	and    $0x39,%edx
   5:	83 fa 08             	cmp    $0x8,%edx
   8:	75 e7                	jne    0xfffffffffffffff1
   a:	e8 03 ff ff ff       	call   0xffffffffffffff12
   f:	0f 1f 00             	nopl   (%rax)
  12:	f3 0f 1e fa          	endbr64
[  160.087174][ T4848] RSP: 002b:00007ffe801ba6a0 EFLAGS: 00000202 ORIG_RAX: 000000000000002e
[  160.087177][ T4848] RAX: ffffffffffffffda RBX: 0000000000000003 RCX: 00007f1eb9aad54e
[  160.087178][ T4848] RDX: 0000000000000000 RSI: 00007ffe801ba750 RDI: 0000000000000005
[  160.087179][ T4848] RBP: 00007ffe801ba6b0 R08: 0000000000000000 R09: 0000000000000000
[  160.087180][ T4848] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a91654c
[  160.087180][ T4848] R13: 00000000004a1620 R14: 0000000000000000 R15: 00007ffe801bae10
| [  164.056128][   T70] softirqs last disabled at (5267886): vxlan_flush (./include/linux/spinlock.h:353 drivers/net/vxlan/vxlan_core.c:3094) vxlan
| [  164.056133][   T70] Preemption disabled at:
| [  164.056133][   T70] vprintk_emit (kernel/printk/printk.c:2471)
| [  164.056141][   T70] Tainted: [W]=WARN
[  164.056142][   T70] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[  164.056144][   T70] Workqueue: netns cleanup_net
[  164.056147][   T70] Call Trace:
[  164.056148][   T70]  <TASK>
[  164.056150][   T70]  dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120)
[  164.056156][   T70]  ? vprintk_emit (kernel/printk/printk.c:2471)
[  164.056158][   T70]  __might_resched.cold (kernel/sched/core.c:9234)
[  164.056163][   T70]  ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3))
[  164.056173][   T70]  ? __kmalloc_noprof (./include/linux/sched/mm.h:317 mm/slub.c:4636 mm/slub.c:4974 mm/slub.c:5413 mm/slub.c:5439)
[  164.056177][   T70]  __kmalloc_noprof (./include/linux/sched/mm.h:322 (discriminator 2) mm/slub.c:4636 (discriminator 2) mm/slub.c:4974 (discriminator 2) mm/slub.c:5413 (discriminator 2) mm/slub.c:5439 (discriminator 2))
[  164.056179][   T70]  ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[  164.056186][   T70]  ? do_raw_spin_unlock (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:32 ./include/asm-generic/qspinlock.h:58 kernel/locking/spinlock_debug.c:101 kernel/locking/spinlock_debug.c:141)
[  164.056189][   T70]  alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[  164.056192][   T70]  put_chars (drivers/char/virtio_console.c:1176)
[  164.056195][   T70]  ? __send_to_port (drivers/char/virtio_console.c:654)
[  164.056196][   T70]  ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4116 (discriminator 3) kernel/rcu/tree.c:4108 (discriminator 3))
[  164.056200][   T70]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380)
[  164.056202][   T70]  ? validate_chain (kernel/locking/lockdep.c:3817 (discriminator 2) kernel/locking/lockdep.c:3837 (discriminator 2) kernel/locking/lockdep.c:3892 (discriminator 2))
[  164.056207][   T70]  hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2))
[  164.056211][   T70]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[  164.056216][   T70]  ? hvc_write (drivers/tty/hvc/hvc_console.c:501)
[  164.056220][   T70]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  164.056224][   T70]  console_emit_next_record (kernel/printk/printk.c:3183)
[  164.056229][   T70]  ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20)
[  164.056230][   T70]  ? console_flush_one_record (./include/linux/rcupdate.h:314 (discriminator 2) ./include/linux/srcu.h:439 (discriminator 2) kernel/printk/printk.c:291 (discriminator 2) kernel/printk/printk.c:3246 (discriminator 2))
[  164.056234][   T70]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  164.056236][   T70]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  164.056240][   T70]  console_flush_one_record (kernel/printk/printk.c:3268)
[  164.056244][   T70]  ? console_emit_next_record (kernel/printk/printk.c:3150)
[  164.056246][   T70]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[  164.056251][   T70]  console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420)
[  164.056254][   T70]  ? console_flush_one_record (kernel/printk/printk.c:3316)
[  164.056256][   T70]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  164.056258][   T70]  ? 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)
[  164.056261][   T70]  ? __down_trylock_console_sem (kernel/printk/printk.c:334)
[  164.056263][   T70]  ? vprintk_emit (kernel/printk/printk.c:2478)
[  164.056266][   T70]  vprintk_emit (kernel/printk/printk.c:2479)
[  164.056269][   T70]  ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126))
[  164.056270][   T70]  ? cleanup_net (net/core/net_namespace.c:706)
[  164.056272][   T70]  ? worker_thread (kernel/workqueue.c:3470 kernel/workqueue.c:3551)
[  164.056274][   T70]  ? kthread (kernel/kthread.c:436)
[  164.056276][   T70]  ? ret_from_fork (arch/x86/kernel/process.c:158)
[  164.056279][   T70]  ? ret_from_fork_asm (arch/x86/entry/entry_64.S:245)
[  164.056284][   T70]  _printk (kernel/printk/printk.c:2504)
[  164.056288][   T70]  ? snapshot_read.cold (user.c:?)
[  164.056292][   T70]  ? netdev_name (./include/linux/netdevice.h:5709 (discriminator 1))
[  164.056296][   T70]  ? __netdev_printk (net/core/dev.c:13148 (discriminator 2))
[  164.056300][   T70]  netdev_info (net/core/dev.c:13195 (discriminator 3))
[  164.056303][   T70]  ? netdev_notice (net/core/dev.c:13194)
[  164.056307][   T70]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  164.056309][   T70]  ? __up_read (kernel/locking/rwsem.c:1397 (discriminator 1))
[  164.056311][   T70]  ? down_write_nested (kernel/locking/rwsem.c:1759)
[  164.056313][   T70]  ? 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)
[  164.056316][   T70]  netif_set_allmulti.cold (net/core/dev.c:9731 (discriminator 3))
[  164.056320][   T70]  dev_set_allmulti (net/core/dev_api.c:315)
[  164.056323][   T70]  del_nbp (net/bridge/br_if.c:253 net/bridge/br_if.c:341)
[  164.056330][   T70]  br_dev_delete (net/bridge/br_if.c:387)
[  164.056333][   T70]  br_net_exit_rtnl (net/bridge/br.c:414)
[  164.056337][   T70]  ops_undo_list (net/core/net_namespace.c:181 net/core/net_namespace.c:249)
[  164.056340][   T70]  ? lockdep_hardirqs_on (kernel/locking/lockdep.c:4488)
[  164.056344][   T70]  ? netns_install (./include/linux/ns_common.h:26)
[  164.056346][   T70]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554)
[  164.056349][   T70]  ? idr_destroy (lib/radix-tree.c:310 lib/radix-tree.c:674 lib/radix-tree.c:1563)
[  164.056354][   T70]  cleanup_net (net/core/net_namespace.c:706)
[  164.056357][   T70]  ? net_passive_dec (./include/linux/llist.h:241)
[  164.056360][   T70]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  164.056362][   T70]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  164.056366][   T70]  process_one_work (kernel/workqueue.c:3387)
[  164.056372][   T70]  ? __queue_delayed_work (kernel/workqueue.c:2622)
[  164.056375][   T70]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2))
[  164.056383][   T70]  worker_thread (kernel/workqueue.c:3470 kernel/workqueue.c:3551)
[  164.056387][   T70]  ? rescuer_thread (./include/linux/list.h:419 (discriminator 3))
[  164.056389][   T70]  ? __kthread_parkme (./include/linux/instrumented.h:82 ./include/asm-generic/bitops/instrumented-non-atomic.h:141 kernel/kthread.c:272)
[  164.056392][   T70]  ? rescuer_thread (./include/linux/list.h:419 (discriminator 3))
[  164.056395][   T70]  ? rescuer_thread (./include/linux/list.h:419 (discriminator 3))
[  164.056397][   T70]  kthread (kernel/kthread.c:436)
[  164.056399][   T70]  ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22))
[  164.056402][   T70]  ? kthread_affine_preferred (kernel/kthread.c:857)
[  164.056405][   T70]  ret_from_fork (arch/x86/kernel/process.c:158)
[  164.056408][   T70]  ? arch_exit_to_user_mode_prepare.isra.0 (arch/x86/entry/vdso/vma.c:80 (discriminator 1))
[  164.056411][   T70]  ? __switch_to (arch/x86/kernel/process_64.c:403 arch/x86/kernel/process_64.c:663)
[  164.056415][   T70]  ? kthread_affine_preferred (kernel/kthread.c:857)
[  164.056417][   T70]  ret_from_fork_asm (arch/x86/entry/entry_64.S:245)
| [  167.600263][ T5062] softirqs last disabled at (39472): __alloc_skb (./include/linux/bottom_half.h:20 (discriminator 2) net/core/skbuff.c:697 (discriminator 2))
| [  167.600265][ T5062] Preemption disabled at:
| [  167.600266][ T5062] vprintk_emit (kernel/printk/printk.c:2471)
| [  167.600274][ T5062] Tainted: [W]=WARN
[  167.600275][ T5062] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[  167.600277][ T5062] Call Trace:
[  167.600278][ T5062]  <TASK>
[  167.600280][ T5062]  dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120)
[  167.600286][ T5062]  ? vprintk_emit (kernel/printk/printk.c:2471)
[  167.600287][ T5062]  __might_resched.cold (kernel/sched/core.c:9234)
[  167.600292][ T5062]  ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3))
[  167.600296][ T5062]  ? __kmalloc_noprof (./include/linux/sched/mm.h:317 mm/slub.c:4636 mm/slub.c:4974 mm/slub.c:5413 mm/slub.c:5439)
[  167.600300][ T5062]  __kmalloc_noprof (./include/linux/sched/mm.h:322 (discriminator 2) mm/slub.c:4636 (discriminator 2) mm/slub.c:4974 (discriminator 2) mm/slub.c:5413 (discriminator 2) mm/slub.c:5439 (discriminator 2))
[  167.600302][ T5062]  ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[  167.600309][ T5062]  ? do_raw_spin_unlock (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:32 ./include/asm-generic/qspinlock.h:58 kernel/locking/spinlock_debug.c:101 kernel/locking/spinlock_debug.c:141)
[  167.600311][ T5062]  alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[  167.600315][ T5062]  put_chars (drivers/char/virtio_console.c:1176)
[  167.600318][ T5062]  ? __send_to_port (drivers/char/virtio_console.c:654)
[  167.600319][ T5062]  ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4116 (discriminator 3) kernel/rcu/tree.c:4108 (discriminator 3))
[  167.600322][ T5062]  ? validate_chain (kernel/locking/lockdep.c:3817 (discriminator 2) kernel/locking/lockdep.c:3837 (discriminator 2) kernel/locking/lockdep.c:3892 (discriminator 2))
[  167.600328][ T5062]  hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2))
[  167.600335][ T5062]  ? hvc_write (drivers/tty/hvc/hvc_console.c:501)
[  167.600338][ T5062]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  167.600340][ T5062]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  167.600344][ T5062]  console_emit_next_record (kernel/printk/printk.c:3183)
[  167.600348][ T5062]  ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20)
[  167.600350][ T5062]  ? console_flush_one_record (./include/linux/rcupdate.h:314 (discriminator 2) ./include/linux/srcu.h:439 (discriminator 2) kernel/printk/printk.c:291 (discriminator 2) kernel/printk/printk.c:3246 (discriminator 2))
[  167.600353][ T5062]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  167.600355][ T5062]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  167.600359][ T5062]  console_flush_one_record (kernel/printk/printk.c:3268)
[  167.600363][ T5062]  ? console_emit_next_record (kernel/printk/printk.c:3150)
[  167.600365][ T5062]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[  167.600370][ T5062]  console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420)
[  167.600373][ T5062]  ? console_flush_one_record (kernel/printk/printk.c:3316)
[  167.600375][ T5062]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  167.600376][ T5062]  ? 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)
[  167.600380][ T5062]  ? __down_trylock_console_sem (kernel/printk/printk.c:334)
[  167.600382][ T5062]  ? vprintk_emit (kernel/printk/printk.c:2478)
[  167.600384][ T5062]  vprintk_emit (kernel/printk/printk.c:2479)
[  167.600388][ T5062]  ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126))
[  167.600389][ T5062]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554)
[  167.600392][ T5062]  ? mark_held_locks (kernel/locking/lockdep.c:4341)
[  167.600396][ T5062]  _printk (kernel/printk/printk.c:2504)
[  167.600400][ T5062]  ? snapshot_read.cold (user.c:?)
[  167.600403][ T5062]  ? br_multicast_flood (??:?)
[  167.600407][ T5062]  ? do_setlink.isra.0 (net/core/rtnetlink.c:3273 (discriminator 1))
[  167.600408][ T5062]  ? rtnl_newlink (net/core/rtnetlink.c:4215)
[  167.600409][ T5062]  ? rtnetlink_rcv_msg (net/core/rtnetlink.c:7132)
[  167.600414][ T5062]  br_set_state (net/bridge/br_stp.c:57 (discriminator 2))
[  167.600418][ T5062]  br_init_port (net/bridge/br_stp_if.c:39)
[  167.600421][ T5062]  new_nbp (net/bridge/br_if.c:449)
[  167.600424][ T5062]  br_add_if (net/bridge/br_if.c:592)
[  167.600427][ T5062]  ? is_bpf_text_address (./include/linux/rcupdate.h:882 kernel/bpf/core.c:751)
[  167.600431][ T5062]  ? kernel_text_address (kernel/extable.c:125 kernel/extable.c:94)
[  167.600436][ T5062]  do_set_master (net/core/rtnetlink.c:3071)
[  167.600440][ T5062]  do_setlink.isra.0 (net/core/rtnetlink.c:3273 (discriminator 1))
[  167.600443][ T5062]  ? stack_trace_save (kernel/stacktrace.c:122 (discriminator 1))
[  167.600446][ T5062]  ? rtnl_link_get_size (net/core/rtnetlink.c:747)
[  167.600447][ T5062]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:388 kernel/rcu/update.c:380)
[  167.600450][ T5062]  ? stack_depot_save_flags (lib/stackdepot.c:609 (discriminator 2) lib/stackdepot.c:676 (discriminator 2))
[  167.600453][ T5062]  ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4116 (discriminator 3) kernel/rcu/tree.c:4108 (discriminator 3))
[  167.600455][ T5062]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380)
[  167.600457][ T5062]  ? validate_chain (kernel/locking/lockdep.c:3817 (discriminator 2) kernel/locking/lockdep.c:3837 (discriminator 2) kernel/locking/lockdep.c:3892 (discriminator 2))
[  167.600459][ T5062]  ? kasan_save_stack (mm/kasan/common.c:58)
[  167.600462][ T5062]  ? kasan_save_stack (mm/kasan/common.c:57)
[  167.600463][ T5062]  ? kasan_save_track (mm/kasan/common.c:78)
[  167.600464][ T5062]  ? __kasan_kmalloc (mm/kasan/common.c:398 mm/kasan/common.c:415)
[  167.600466][ T5062]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[  167.600468][ T5062]  ? snd_ac97_proc_read_main (sound/pci/ac97/ac97_proc.c:320)
[  167.600471][ T5062]  ? ___sys_sendmsg (net/socket.c:2758)
[  167.600475][ T5062]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2))
[  167.600477][ T5062]  ? rtnl_newlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:366 net/core/rtnetlink.c:4214)
[  167.600480][ T5062]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  167.600481][ T5062]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  167.600483][ T5062]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  167.600484][ T5062]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  167.600486][ T5062]  ? trace_contention_end (./include/trace/events/lock.h:121 (discriminator 22))
[  167.600488][ T5062]  ? __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)
[  167.600490][ T5062]  ? __mutex_lock (kernel/locking/mutex.c:656 (discriminator 1) kernel/locking/mutex.c:821 (discriminator 1))
[  167.600492][ T5062]  ? rtnl_newlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:366 net/core/rtnetlink.c:4214)
[  167.600496][ T5062]  ? ww_mutex_lock (kernel/locking/mutex.c:934)
[  167.600497][ T5062]  ? nla_get_range_signed (lib/nlattr.c:270)
[  167.600502][ T5062]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  167.600504][ T5062]  ? __rtnl_newlink (net/core/rtnetlink.c:4063)
[  167.600509][ T5062]  rtnl_newlink (net/core/rtnetlink.c:4215)
[  167.600514][ T5062]  ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558)
[  167.600516][ T5062]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[  167.600521][ T5062]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2))
[  167.600523][ T5062]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[  167.600525][ T5062]  ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558)
[  167.600527][ T5062]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554)
[  167.600531][ T5062]  ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558)
[  167.600533][ T5062]  rtnetlink_rcv_msg (net/core/rtnetlink.c:7132)
[  167.600536][ T5062]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[  167.600537][ T5062]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[  167.600542][ T5062]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2))
[  167.600543][ T5062]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[  167.600547][ T5062]  netlink_rcv_skb (net/netlink/af_netlink.c:2556)
[  167.600550][ T5062]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[  167.600553][ T5062]  ? netlink_ack (./include/linux/skbuff.h:2718)
[  167.600559][ T5062]  ? 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))
[  167.600561][ T5062]  ? 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))
[  167.600566][ T5062]  netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[  167.600570][ T5062]  ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[  167.600572][ T5062]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[  167.600576][ T5062]  netlink_sendmsg (net/netlink/af_netlink.c:1900)
[  167.600580][ T5062]  ? netlink_unicast (./include/net/net_namespace.h:422 (discriminator 7))
[  167.600584][ T5062]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554)
[  167.600586][ T5062]  ? __import_iovec (lib/iov_iter.c:1358 lib/iov_iter.c:1373)
[  167.600591][ T5062]  __sock_sendmsg (net/socket.c:800 (discriminator 4) net/socket.c:815 (discriminator 4))
[  167.600594][ T5062]  ____sys_sendmsg (net/socket.c:2713)
[  167.600596][ T5062]  ? copy_msghdr_from_user (net/socket.c:2650)
[  167.600598][ T5062]  ? sock_write_iter (net/socket.c:1269)
[  167.600600][ T5062]  ? move_addr_to_kernel (net/socket.c:258)
[  167.600607][ T5062]  ___sys_sendmsg (net/socket.c:2767)
[  167.600610][ T5062]  ? copy_msghdr_from_user (net/socket.c:2619)
[  167.600626][ T5062]  __sys_sendmsg (net/socket.c:2799)
[  167.600629][ T5062]  ? __sys_sendmsg_sock (net/socket.c:2780)
[  167.600635][ T5062]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  167.600638][ T5062]  do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84)
[  167.600641][ T5062]  ? exc_page_fault (arch/x86/mm/fault.c:1489 (discriminator 3) arch/x86/mm/fault.c:1536 (discriminator 3))
[  167.600644][ T5062]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[  167.600646][ T5062] RIP: 0033:0x7f91b644e54e
[  167.600650][ T5062] 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
[  167.600651][ T5062] RSP: 002b:00007ffd2396b280 EFLAGS: 00000202 ORIG_RAX: 000000000000002e
[  167.600654][ T5062] RAX: ffffffffffffffda RBX: 0000000000000003 RCX: 00007f91b644e54e
[  167.600655][ T5062] RDX: 0000000000000000 RSI: 00007ffd2396b330 RDI: 0000000000000005
[  167.600656][ T5062] RBP: 00007ffd2396b290 R08: 0000000000000000 R09: 0000000000000000
[  167.600657][ T5062] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a916553
[  167.600658][ T5062] R13: 00000000004a1620 R14: 0000000000000000 R15: 00007ffd2396b9f0
| [  171.548477][   T70] softirqs last disabled at (5487786): vxlan_flush (./include/linux/spinlock.h:353 drivers/net/vxlan/vxlan_core.c:3094) vxlan
| [  171.548481][   T70] Preemption disabled at:
| [  171.548482][   T70] vprintk_emit (kernel/printk/printk.c:2471)
| [  171.548490][   T70] Tainted: [W]=WARN
[  171.548491][   T70] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[  171.548493][   T70] Workqueue: netns cleanup_net
[  171.548496][   T70] Call Trace:
[  171.548498][   T70]  <TASK>
[  171.548499][   T70]  dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120)
[  171.548505][   T70]  ? vprintk_emit (kernel/printk/printk.c:2471)
[  171.548507][   T70]  __might_resched.cold (kernel/sched/core.c:9234)
[  171.548512][   T70]  ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3))
[  171.548515][   T70]  ? __kmalloc_noprof (./include/linux/sched/mm.h:317 mm/slub.c:4636 mm/slub.c:4974 mm/slub.c:5413 mm/slub.c:5439)
[  171.548520][   T70]  __kmalloc_noprof (./include/linux/sched/mm.h:322 (discriminator 2) mm/slub.c:4636 (discriminator 2) mm/slub.c:4974 (discriminator 2) mm/slub.c:5413 (discriminator 2) mm/slub.c:5439 (discriminator 2))
[  171.548522][   T70]  ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[  171.548529][   T70]  ? do_raw_spin_unlock (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:32 ./include/asm-generic/qspinlock.h:58 kernel/locking/spinlock_debug.c:101 kernel/locking/spinlock_debug.c:141)
[  171.548532][   T70]  alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[  171.548536][   T70]  put_chars (drivers/char/virtio_console.c:1176)
[  171.548538][   T70]  ? __send_to_port (drivers/char/virtio_console.c:654)
[  171.548539][   T70]  ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4116 (discriminator 3) kernel/rcu/tree.c:4108 (discriminator 3))
[  171.548543][   T70]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380)
[  171.548546][   T70]  ? validate_chain (kernel/locking/lockdep.c:3817 (discriminator 2) kernel/locking/lockdep.c:3837 (discriminator 2) kernel/locking/lockdep.c:3892 (discriminator 2))
[  171.548551][   T70]  hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2))
[  171.548555][   T70]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[  171.548560][   T70]  ? hvc_write (drivers/tty/hvc/hvc_console.c:501)
[  171.548563][   T70]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  171.548568][   T70]  console_emit_next_record (kernel/printk/printk.c:3183)
[  171.548572][   T70]  ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20)
[  171.548574][   T70]  ? console_flush_one_record (./include/linux/rcupdate.h:314 (discriminator 2) ./include/linux/srcu.h:439 (discriminator 2) kernel/printk/printk.c:291 (discriminator 2) kernel/printk/printk.c:3246 (discriminator 2))
[  171.548577][   T70]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  171.548579][   T70]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  171.548583][   T70]  console_flush_one_record (kernel/printk/printk.c:3268)
[  171.548588][   T70]  ? console_emit_next_record (kernel/printk/printk.c:3150)
[  171.548589][   T70]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[  171.548595][   T70]  console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420)
[  171.548598][   T70]  ? console_flush_one_record (kernel/printk/printk.c:3316)
[  171.548600][   T70]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  171.548601][   T70]  ? 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)
[  171.548605][   T70]  ? __down_trylock_console_sem (kernel/printk/printk.c:334)
[  171.548607][   T70]  ? vprintk_emit (kernel/printk/printk.c:2478)
[  171.548610][   T70]  vprintk_emit (kernel/printk/printk.c:2479)
[  171.548613][   T70]  ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126))
[  171.548614][   T70]  ? cleanup_net (net/core/net_namespace.c:706)
[  171.548616][   T70]  ? worker_thread (kernel/workqueue.c:3470 kernel/workqueue.c:3551)
[  171.548618][   T70]  ? kthread (kernel/kthread.c:436)
[  171.548620][   T70]  ? ret_from_fork (arch/x86/kernel/process.c:158)
[  171.548623][   T70]  ? ret_from_fork_asm (arch/x86/entry/entry_64.S:245)
[  171.548628][   T70]  _printk (kernel/printk/printk.c:2504)
[  171.548632][   T70]  ? snapshot_read.cold (user.c:?)
[  171.548636][   T70]  ? netdev_name (./include/linux/netdevice.h:5709 (discriminator 1))
[  171.548640][   T70]  ? __netdev_printk (net/core/dev.c:13148 (discriminator 2))
[  171.548644][   T70]  netdev_info (net/core/dev.c:13195 (discriminator 3))
[  171.548647][   T70]  ? netdev_notice (net/core/dev.c:13194)
[  171.548651][   T70]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  171.548653][   T70]  ? __up_read (kernel/locking/rwsem.c:1397 (discriminator 1))
[  171.548656][   T70]  ? down_write_nested (kernel/locking/rwsem.c:1759)
[  171.548658][   T70]  ? 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)
[  171.548660][   T70]  netif_set_allmulti.cold (net/core/dev.c:9731 (discriminator 3))
[  171.548664][   T70]  dev_set_allmulti (net/core/dev_api.c:315)
[  171.548668][   T70]  del_nbp (net/bridge/br_if.c:253 net/bridge/br_if.c:341)
[  171.548674][   T70]  br_dev_delete (net/bridge/br_if.c:387)
[  171.548678][   T70]  br_net_exit_rtnl (net/bridge/br.c:414)
[  171.548681][   T70]  ops_undo_list (net/core/net_namespace.c:181 net/core/net_namespace.c:249)
[  171.548685][   T70]  ? lockdep_hardirqs_on (kernel/locking/lockdep.c:4488)
[  171.548689][   T70]  ? netns_install (./include/linux/ns_common.h:26)
[  171.548690][   T70]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554)
[  171.548694][   T70]  ? idr_destroy (lib/radix-tree.c:310 lib/radix-tree.c:674 lib/radix-tree.c:1563)
[  171.548699][   T70]  cleanup_net (net/core/net_namespace.c:706)
[  171.548702][   T70]  ? net_passive_dec (./include/linux/llist.h:241)
[  171.548706][   T70]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  171.548708][   T70]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  171.548711][   T70]  process_one_work (kernel/workqueue.c:3387)
[  171.548717][   T70]  ? __queue_delayed_work (kernel/workqueue.c:2622)
[  171.548721][   T70]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2))
[  171.548728][   T70]  worker_thread (kernel/workqueue.c:3470 kernel/workqueue.c:3551)
[  171.548732][   T70]  ? rescuer_thread (./include/linux/list.h:419 (discriminator 3))
[  171.548735][   T70]  ? __kthread_parkme (./include/linux/instrumented.h:82 ./include/asm-generic/bitops/instrumented-non-atomic.h:141 kernel/kthread.c:272)
[  171.548737][   T70]  ? rescuer_thread (./include/linux/list.h:419 (discriminator 3))
[  171.548740][   T70]  ? rescuer_thread (./include/linux/list.h:419 (discriminator 3))
[  171.548742][   T70]  kthread (kernel/kthread.c:436)
[  171.548744][   T70]  ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22))
[  171.548747][   T70]  ? kthread_affine_preferred (kernel/kthread.c:857)
[  171.548750][   T70]  ret_from_fork (arch/x86/kernel/process.c:158)
[  171.548753][   T70]  ? arch_exit_to_user_mode_prepare.isra.0 (arch/x86/entry/vdso/vma.c:80 (discriminator 1))
[  171.548757][   T70]  ? __switch_to (arch/x86/kernel/process_64.c:403 arch/x86/kernel/process_64.c:663)
[  171.548760][   T70]  ? kthread_affine_preferred (kernel/kthread.c:857)
[  171.548763][   T70]  ret_from_fork_asm (arch/x86/entry/entry_64.S:245)
| [  174.870096][ T5264] softirqs last disabled at (36108): __alloc_skb (./include/linux/bottom_half.h:20 (discriminator 2) net/core/skbuff.c:697 (discriminator 2))
| [  174.870099][ T5264] Preemption disabled at:
| [  174.870099][ T5264] vprintk_emit (kernel/printk/printk.c:2471)
| [  174.870107][ T5264] Tainted: [W]=WARN
[  174.870109][ T5264] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[  174.870110][ T5264] Call Trace:
[  174.870112][ T5264]  <TASK>
[  174.870113][ T5264]  dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120)
[  174.870119][ T5264]  ? vprintk_emit (kernel/printk/printk.c:2471)
[  174.870120][ T5264]  __might_resched.cold (kernel/sched/core.c:9234)
[  174.870125][ T5264]  ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3))
[  174.870129][ T5264]  ? __kmalloc_noprof (./include/linux/sched/mm.h:317 mm/slub.c:4636 mm/slub.c:4974 mm/slub.c:5413 mm/slub.c:5439)
[  174.870133][ T5264]  __kmalloc_noprof (./include/linux/sched/mm.h:322 (discriminator 2) mm/slub.c:4636 (discriminator 2) mm/slub.c:4974 (discriminator 2) mm/slub.c:5413 (discriminator 2) mm/slub.c:5439 (discriminator 2))
[  174.870135][ T5264]  ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[  174.870142][ T5264]  ? do_raw_spin_unlock (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:32 ./include/asm-generic/qspinlock.h:58 kernel/locking/spinlock_debug.c:101 kernel/locking/spinlock_debug.c:141)
[  174.870144][ T5264]  alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[  174.870148][ T5264]  put_chars (drivers/char/virtio_console.c:1176)
[  174.870151][ T5264]  ? __send_to_port (drivers/char/virtio_console.c:654)
[  174.870152][ T5264]  ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4116 (discriminator 3) kernel/rcu/tree.c:4108 (discriminator 3))
[  174.870155][ T5264]  ? validate_chain (kernel/locking/lockdep.c:3817 (discriminator 2) kernel/locking/lockdep.c:3837 (discriminator 2) kernel/locking/lockdep.c:3892 (discriminator 2))
[  174.870161][ T5264]  hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2))
[  174.870169][ T5264]  ? hvc_write (drivers/tty/hvc/hvc_console.c:501)
[  174.870171][ T5264]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  174.870173][ T5264]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  174.870177][ T5264]  console_emit_next_record (kernel/printk/printk.c:3183)
[  174.870181][ T5264]  ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20)
[  174.870183][ T5264]  ? console_flush_one_record (./include/linux/rcupdate.h:314 (discriminator 2) ./include/linux/srcu.h:439 (discriminator 2) kernel/printk/printk.c:291 (discriminator 2) kernel/printk/printk.c:3246 (discriminator 2))
[  174.870190][ T5264]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  174.870192][ T5264]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  174.870196][ T5264]  console_flush_one_record (kernel/printk/printk.c:3268)
[  174.870200][ T5264]  ? console_emit_next_record (kernel/printk/printk.c:3150)
[  174.870202][ T5264]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[  174.870207][ T5264]  console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420)
[  174.870210][ T5264]  ? console_flush_one_record (kernel/printk/printk.c:3316)
[  174.870212][ T5264]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  174.870214][ T5264]  ? lock_acquire (./include/linux/srcutree.h:374 ./include/linux/srcu.h:541 ./include/linux/srcu.h:645 ./include/trace/events/lock.h:23 ./include/trace/events/lock.h:23 kernel/locking/lockdep.c:5871)
[  174.870217][ T5264]  ? __down_trylock_console_sem (kernel/printk/printk.c:334)
[  174.870219][ T5264]  ? vprintk_emit (kernel/printk/printk.c:2478)
[  174.870222][ T5264]  vprintk_emit (kernel/printk/printk.c:2479)
[  174.870225][ T5264]  ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126))
[  174.870227][ T5264]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554)
[  174.870229][ T5264]  ? mark_held_locks (kernel/locking/lockdep.c:4341)
[  174.870233][ T5264]  _printk (kernel/printk/printk.c:2504)
[  174.870236][ T5264]  ? snapshot_read.cold (user.c:?)
[  174.870240][ T5264]  ? br_multicast_flood (??:?)
[  174.870243][ T5264]  ? do_setlink.isra.0 (net/core/rtnetlink.c:3273 (discriminator 1))
[  174.870244][ T5264]  ? rtnl_newlink (net/core/rtnetlink.c:4215)
[  174.870246][ T5264]  ? rtnetlink_rcv_msg (net/core/rtnetlink.c:7132)
[  174.870250][ T5264]  br_set_state (net/bridge/br_stp.c:57 (discriminator 2))
[  174.870254][ T5264]  br_init_port (net/bridge/br_stp_if.c:39)
[  174.870256][ T5264]  new_nbp (net/bridge/br_if.c:449)
[  174.870260][ T5264]  br_add_if (net/bridge/br_if.c:592)
[  174.870262][ T5264]  ? is_bpf_text_address (./include/linux/rcupdate.h:882 kernel/bpf/core.c:751)
[  174.870266][ T5264]  ? kernel_text_address (kernel/extable.c:125 kernel/extable.c:94)
[  174.870271][ T5264]  do_set_master (net/core/rtnetlink.c:3071)
[  174.870275][ T5264]  do_setlink.isra.0 (net/core/rtnetlink.c:3273 (discriminator 1))
[  174.870278][ T5264]  ? stack_trace_save (kernel/stacktrace.c:122 (discriminator 1))
[  174.870281][ T5264]  ? rtnl_link_get_size (net/core/rtnetlink.c:747)
[  174.870282][ T5264]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:388 kernel/rcu/update.c:380)
[  174.870285][ T5264]  ? stack_depot_save_flags (lib/stackdepot.c:609 (discriminator 2) lib/stackdepot.c:676 (discriminator 2))
[  174.870288][ T5264]  ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4116 (discriminator 3) kernel/rcu/tree.c:4108 (discriminator 3))
[  174.870290][ T5264]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380)
[  174.870292][ T5264]  ? validate_chain (kernel/locking/lockdep.c:3817 (discriminator 2) kernel/locking/lockdep.c:3837 (discriminator 2) kernel/locking/lockdep.c:3892 (discriminator 2))
[  174.870294][ T5264]  ? kasan_save_stack (mm/kasan/common.c:58)
[  174.870297][ T5264]  ? kasan_save_stack (mm/kasan/common.c:57)
[  174.870298][ T5264]  ? kasan_save_track (mm/kasan/common.c:78)
[  174.870300][ T5264]  ? __kasan_kmalloc (mm/kasan/common.c:398 mm/kasan/common.c:415)
[  174.870302][ T5264]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[  174.870304][ T5264]  ? snd_ac97_proc_read_main (sound/pci/ac97/ac97_proc.c:320)
[  174.870307][ T5264]  ? ___sys_sendmsg (net/socket.c:2758)
[  174.870310][ T5264]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2))
[  174.870312][ T5264]  ? rtnl_newlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:366 net/core/rtnetlink.c:4214)
[  174.870315][ T5264]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  174.870316][ T5264]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  174.870318][ T5264]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  174.870319][ T5264]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  174.870321][ T5264]  ? trace_contention_end (./include/trace/events/lock.h:121 (discriminator 22))
[  174.870323][ T5264]  ? __mutex_lock (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:3188 kernel/locking/mutex.c:89 kernel/locking/mutex.c:134 kernel/locking/mutex.c:649 kernel/locking/mutex.c:821)
[  174.870325][ T5264]  ? __mutex_lock (kernel/locking/mutex.c:656 (discriminator 1) kernel/locking/mutex.c:821 (discriminator 1))
[  174.870327][ T5264]  ? rtnl_newlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:366 net/core/rtnetlink.c:4214)
[  174.870330][ T5264]  ? ww_mutex_lock (kernel/locking/mutex.c:934)
[  174.870332][ T5264]  ? nla_get_range_signed (lib/nlattr.c:270)
[  174.870336][ T5264]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  174.870339][ T5264]  ? __rtnl_newlink (net/core/rtnetlink.c:4063)
[  174.870344][ T5264]  rtnl_newlink (net/core/rtnetlink.c:4215)
[  174.870349][ T5264]  ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558)
[  174.870351][ T5264]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[  174.870355][ T5264]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2))
[  174.870357][ T5264]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[  174.870359][ T5264]  ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558)
[  174.870361][ T5264]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554)
[  174.870364][ T5264]  ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558)
[  174.870366][ T5264]  rtnetlink_rcv_msg (net/core/rtnetlink.c:7132)
[  174.870369][ T5264]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[  174.870371][ T5264]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[  174.870375][ T5264]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2))
[  174.870377][ T5264]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[  174.870380][ T5264]  netlink_rcv_skb (net/netlink/af_netlink.c:2556)
[  174.870384][ T5264]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[  174.870386][ T5264]  ? netlink_ack (./include/linux/skbuff.h:2718)
[  174.870393][ T5264]  ? netlink_deliver_tap (./include/linux/rcupdate.h:319 (discriminator 2) ./include/linux/rcupdate.h:880 (discriminator 2) ./include/net/netns/generic.h:48 (discriminator 2) net/netlink/af_netlink.c:334 (discriminator 2))
[  174.870395][ T5264]  ? netlink_deliver_tap (./include/linux/rcupdate.h:319 (discriminator 2) ./include/linux/rcupdate.h:880 (discriminator 2) net/netlink/af_netlink.c:341 (discriminator 2))
[  174.870399][ T5264]  netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[  174.870403][ T5264]  ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[  174.870405][ T5264]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[  174.870410][ T5264]  netlink_sendmsg (net/netlink/af_netlink.c:1900)
[  174.870413][ T5264]  ? netlink_unicast (./include/net/net_namespace.h:422 (discriminator 7))
[  174.870417][ T5264]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554)
[  174.870419][ T5264]  ? __import_iovec (lib/iov_iter.c:1358 lib/iov_iter.c:1373)
[  174.870424][ T5264]  __sock_sendmsg (net/socket.c:800 (discriminator 4) net/socket.c:815 (discriminator 4))
[  174.870427][ T5264]  ____sys_sendmsg (net/socket.c:2713)
[  174.870429][ T5264]  ? copy_msghdr_from_user (net/socket.c:2650)
[  174.870431][ T5264]  ? sock_write_iter (net/socket.c:1269)
[  174.870433][ T5264]  ? move_addr_to_kernel (net/socket.c:258)
[  174.870440][ T5264]  ___sys_sendmsg (net/socket.c:2767)
[  174.870443][ T5264]  ? copy_msghdr_from_user (net/socket.c:2619)
[  174.870458][ T5264]  __sys_sendmsg (net/socket.c:2799)
[  174.870461][ T5264]  ? __sys_sendmsg_sock (net/socket.c:2780)
[  174.870467][ T5264]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  174.870470][ T5264]  do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84)
[  174.870473][ T5264]  ? exc_page_fault (arch/x86/mm/fault.c:1489 (discriminator 3) arch/x86/mm/fault.c:1536 (discriminator 3))
[  174.870476][ T5264]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[  174.870478][ T5264] RIP: 0033:0x7effe2cfe54e
[  174.870481][ T5264] Code: 4d 89 d8 e8 b4 bd 00 00 4c 8b 5d f8 41 8b 93 08 03 00 00 59 5e 48 83 f8 fc 74 11 c9 c3 0f 1f 80 00 00 00 00 48 8b 45 10 0f 05 <c9> c3 83 e2 39 83 fa 08 75 e7 e8 03 ff ff ff 0f 1f 00 f3 0f 1e fa
All code
========
   0:	4d 89 d8             	mov    %r11,%r8
   3:	e8 b4 bd 00 00       	call   0xbdbc
   8:	4c 8b 5d f8          	mov    -0x8(%rbp),%r11
   c:	41 8b 93 08 03 00 00 	mov    0x308(%r11),%edx
  13:	59                   	pop    %rcx
  14:	5e                   	pop    %rsi
  15:	48 83 f8 fc          	cmp    $0xfffffffffffffffc,%rax
  19:	74 11                	je     0x2c
  1b:	c9                   	leave
  1c:	c3                   	ret
  1d:	0f 1f 80 00 00 00 00 	nopl   0x0(%rax)
  24:	48 8b 45 10          	mov    0x10(%rbp),%rax
  28:	0f 05                	syscall
  2a:*	c9                   	leave		<-- trapping instruction
  2b:	c3                   	ret
  2c:	83 e2 39             	and    $0x39,%edx
  2f:	83 fa 08             	cmp    $0x8,%edx
  32:	75 e7                	jne    0x1b
  34:	e8 03 ff ff ff       	call   0xffffffffffffff3c
  39:	0f 1f 00             	nopl   (%rax)
  3c:	f3 0f 1e fa          	endbr64

Code starting with the faulting instruction
===========================================
   0:	c9                   	leave
   1:	c3                   	ret
   2:	83 e2 39             	and    $0x39,%edx
   5:	83 fa 08             	cmp    $0x8,%edx
   8:	75 e7                	jne    0xfffffffffffffff1
   a:	e8 03 ff ff ff       	call   0xffffffffffffff12
   f:	0f 1f 00             	nopl   (%rax)
  12:	f3 0f 1e fa          	endbr64
[  174.870483][ T5264] RSP: 002b:00007ffc0aa82460 EFLAGS: 00000202 ORIG_RAX: 000000000000002e
[  174.870485][ T5264] RAX: ffffffffffffffda RBX: 0000000000000003 RCX: 00007effe2cfe54e
[  174.870487][ T5264] RDX: 0000000000000000 RSI: 00007ffc0aa82510 RDI: 0000000000000005
[  174.870488][ T5264] RBP: 00007ffc0aa82470 R08: 0000000000000000 R09: 0000000000000000
[  174.870488][ T5264] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a91655b
[  174.870489][ T5264] R13: 00000000004a1620 R14: 0000000000000000 R15: 00007ffc0aa82bd0
| [  178.845745][   T70] softirqs last disabled at (5682296): vxlan_flush (./include/linux/spinlock.h:353 drivers/net/vxlan/vxlan_core.c:3094) vxlan
| [  178.845749][   T70] Preemption disabled at:
| [  178.845750][   T70] vprintk_emit (kernel/printk/printk.c:2471)
| [  178.845758][   T70] Tainted: [W]=WARN
[  178.845759][   T70] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[  178.845760][   T70] Workqueue: netns cleanup_net
[  178.845764][   T70] Call Trace:
[  178.845765][   T70]  <TASK>
[  178.845771][   T70]  dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120)
[  178.845777][   T70]  ? vprintk_emit (kernel/printk/printk.c:2471)
[  178.845779][   T70]  __might_resched.cold (kernel/sched/core.c:9234)
[  178.845784][   T70]  ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3))
[  178.845788][   T70]  ? __kmalloc_noprof (./include/linux/sched/mm.h:317 mm/slub.c:4636 mm/slub.c:4974 mm/slub.c:5413 mm/slub.c:5439)
[  178.845792][   T70]  __kmalloc_noprof (./include/linux/sched/mm.h:322 (discriminator 2) mm/slub.c:4636 (discriminator 2) mm/slub.c:4974 (discriminator 2) mm/slub.c:5413 (discriminator 2) mm/slub.c:5439 (discriminator 2))
[  178.845795][   T70]  ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[  178.845801][   T70]  ? do_raw_spin_unlock (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:32 ./include/asm-generic/qspinlock.h:58 kernel/locking/spinlock_debug.c:101 kernel/locking/spinlock_debug.c:141)
[  178.845804][   T70]  alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[  178.845808][   T70]  put_chars (drivers/char/virtio_console.c:1176)
[  178.845810][   T70]  ? __send_to_port (drivers/char/virtio_console.c:654)
[  178.845812][   T70]  ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4116 (discriminator 3) kernel/rcu/tree.c:4108 (discriminator 3))
[  178.845815][   T70]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380)
[  178.845818][   T70]  ? validate_chain (kernel/locking/lockdep.c:3817 (discriminator 2) kernel/locking/lockdep.c:3837 (discriminator 2) kernel/locking/lockdep.c:3892 (discriminator 2))
[  178.845823][   T70]  hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2))
[  178.845827][   T70]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[  178.845832][   T70]  ? hvc_write (drivers/tty/hvc/hvc_console.c:501)
[  178.845836][   T70]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  178.845840][   T70]  console_emit_next_record (kernel/printk/printk.c:3183)
[  178.845844][   T70]  ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20)
[  178.845846][   T70]  ? console_flush_one_record (./include/linux/rcupdate.h:314 (discriminator 2) ./include/linux/srcu.h:439 (discriminator 2) kernel/printk/printk.c:291 (discriminator 2) kernel/printk/printk.c:3246 (discriminator 2))
[  178.845850][   T70]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  178.845851][   T70]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  178.845855][   T70]  console_flush_one_record (kernel/printk/printk.c:3268)
[  178.845860][   T70]  ? console_emit_next_record (kernel/printk/printk.c:3150)
[  178.845862][   T70]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[  178.845867][   T70]  console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420)
[  178.845870][   T70]  ? console_flush_one_record (kernel/printk/printk.c:3316)
[  178.845872][   T70]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  178.845873][   T70]  ? lock_acquire (./include/linux/srcutree.h:374 ./include/linux/srcu.h:541 ./include/linux/srcu.h:645 ./include/trace/events/lock.h:23 ./include/trace/events/lock.h:23 kernel/locking/lockdep.c:5871)
[  178.845877][   T70]  ? __down_trylock_console_sem (kernel/printk/printk.c:334)
[  178.845879][   T70]  ? vprintk_emit (kernel/printk/printk.c:2478)
[  178.845882][   T70]  vprintk_emit (kernel/printk/printk.c:2479)
[  178.845885][   T70]  ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126))
[  178.845886][   T70]  ? cleanup_net (net/core/net_namespace.c:706)
[  178.845888][   T70]  ? worker_thread (kernel/workqueue.c:3470 kernel/workqueue.c:3551)
[  178.845890][   T70]  ? kthread (kernel/kthread.c:436)
[  178.845892][   T70]  ? ret_from_fork (arch/x86/kernel/process.c:158)
[  178.845895][   T70]  ? ret_from_fork_asm (arch/x86/entry/entry_64.S:245)
[  178.845900][   T70]  _printk (kernel/printk/printk.c:2504)
[  178.845904][   T70]  ? snapshot_read.cold (user.c:?)
[  178.845908][   T70]  ? netdev_name (./include/linux/netdevice.h:5709 (discriminator 1))
[  178.845912][   T70]  ? __netdev_printk (net/core/dev.c:13148 (discriminator 2))
[  178.845916][   T70]  netdev_info (net/core/dev.c:13195 (discriminator 3))
[  178.845919][   T70]  ? netdev_notice (net/core/dev.c:13194)
[  178.845923][   T70]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  178.845925][   T70]  ? __up_read (kernel/locking/rwsem.c:1397 (discriminator 1))
[  178.845927][   T70]  ? down_write_nested (kernel/locking/rwsem.c:1759)
[  178.845929][   T70]  ? mutex_is_locked (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:3188 kernel/locking/mutex.h:48 kernel/locking/mutex.c:65)
[  178.845932][   T70]  netif_set_allmulti.cold (net/core/dev.c:9731 (discriminator 3))
[  178.845936][   T70]  dev_set_allmulti (net/core/dev_api.c:315)
[  178.845940][   T70]  del_nbp (net/bridge/br_if.c:253 net/bridge/br_if.c:341)
[  178.845946][   T70]  br_dev_delete (net/bridge/br_if.c:387)
[  178.845950][   T70]  br_net_exit_rtnl (net/bridge/br.c:414)
[  178.845953][   T70]  ops_undo_list (net/core/net_namespace.c:181 net/core/net_namespace.c:249)
[  178.845957][   T70]  ? lockdep_hardirqs_on (kernel/locking/lockdep.c:4488)
[  178.845961][   T70]  ? netns_install (./include/linux/ns_common.h:26)
[  178.845962][   T70]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554)
[  178.845965][   T70]  ? idr_destroy (lib/radix-tree.c:310 lib/radix-tree.c:674 lib/radix-tree.c:1563)
[  178.845970][   T70]  cleanup_net (net/core/net_namespace.c:706)
[  178.845973][   T70]  ? net_passive_dec (./include/linux/llist.h:241)
[  178.845977][   T70]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  178.845979][   T70]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  178.845983][   T70]  process_one_work (kernel/workqueue.c:3387)
[  178.845989][   T70]  ? __queue_delayed_work (kernel/workqueue.c:2622)
[  178.845993][   T70]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2))
[  178.846000][   T70]  worker_thread (kernel/workqueue.c:3470 kernel/workqueue.c:3551)
[  178.846004][   T70]  ? rescuer_thread (./include/linux/list.h:419 (discriminator 3))
[  178.846007][   T70]  ? __kthread_parkme (./include/linux/instrumented.h:82 ./include/asm-generic/bitops/instrumented-non-atomic.h:141 kernel/kthread.c:272)
[  178.846009][   T70]  ? rescuer_thread (./include/linux/list.h:419 (discriminator 3))
[  178.846012][   T70]  ? rescuer_thread (./include/linux/list.h:419 (discriminator 3))
[  178.846014][   T70]  kthread (kernel/kthread.c:436)
[  178.846016][   T70]  ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22))
[  178.846020][   T70]  ? kthread_affine_preferred (kernel/kthread.c:857)
[  178.846022][   T70]  ret_from_fork (arch/x86/kernel/process.c:158)
[  178.846025][   T70]  ? arch_exit_to_user_mode_prepare.isra.0 (arch/x86/entry/vdso/vma.c:80 (discriminator 1))
[  178.846029][   T70]  ? __switch_to (arch/x86/kernel/process_64.c:403 arch/x86/kernel/process_64.c:663)
[  178.846032][   T70]  ? kthread_affine_preferred (kernel/kthread.c:857)
[  178.846035][   T70]  ret_from_fork_asm (arch/x86/entry/entry_64.S:245)
| [  182.345281][ T5478] softirqs last disabled at (37718): __alloc_skb (./include/linux/bottom_half.h:20 (discriminator 2) net/core/skbuff.c:697 (discriminator 2))
| [  182.345283][ T5478] Preemption disabled at:
| [  182.345284][ T5478] vprintk_emit (kernel/printk/printk.c:2471)
| [  182.345292][ T5478] Tainted: [W]=WARN
[  182.345293][ T5478] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[  182.345294][ T5478] Call Trace:
[  182.345296][ T5478]  <TASK>
[  182.345298][ T5478]  dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120)
[  182.345303][ T5478]  ? vprintk_emit (kernel/printk/printk.c:2471)
[  182.345305][ T5478]  __might_resched.cold (kernel/sched/core.c:9234)
[  182.345310][ T5478]  ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3))
[  182.345314][ T5478]  ? __kmalloc_noprof (./include/linux/sched/mm.h:317 mm/slub.c:4636 mm/slub.c:4974 mm/slub.c:5413 mm/slub.c:5439)
[  182.345318][ T5478]  __kmalloc_noprof (./include/linux/sched/mm.h:322 (discriminator 2) mm/slub.c:4636 (discriminator 2) mm/slub.c:4974 (discriminator 2) mm/slub.c:5413 (discriminator 2) mm/slub.c:5439 (discriminator 2))
[  182.345320][ T5478]  ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[  182.345327][ T5478]  ? do_raw_spin_unlock (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:32 ./include/asm-generic/qspinlock.h:58 kernel/locking/spinlock_debug.c:101 kernel/locking/spinlock_debug.c:141)
[  182.345330][ T5478]  alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[  182.345333][ T5478]  put_chars (drivers/char/virtio_console.c:1176)
[  182.345336][ T5478]  ? __send_to_port (drivers/char/virtio_console.c:654)
[  182.345337][ T5478]  ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4116 (discriminator 3) kernel/rcu/tree.c:4108 (discriminator 3))
[  182.345341][ T5478]  ? validate_chain (kernel/locking/lockdep.c:3817 (discriminator 2) kernel/locking/lockdep.c:3837 (discriminator 2) kernel/locking/lockdep.c:3892 (discriminator 2))
[  182.345346][ T5478]  hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2))
[  182.345354][ T5478]  ? hvc_write (drivers/tty/hvc/hvc_console.c:501)
[  182.345356][ T5478]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  182.345358][ T5478]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  182.345362][ T5478]  console_emit_next_record (kernel/printk/printk.c:3183)
[  182.345366][ T5478]  ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20)
[  182.345368][ T5478]  ? console_flush_one_record (./include/linux/rcupdate.h:314 (discriminator 2) ./include/linux/srcu.h:439 (discriminator 2) kernel/printk/printk.c:291 (discriminator 2) kernel/printk/printk.c:3246 (discriminator 2))
[  182.345371][ T5478]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  182.345373][ T5478]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  182.345377][ T5478]  console_flush_one_record (kernel/printk/printk.c:3268)
[  182.345381][ T5478]  ? console_emit_next_record (kernel/printk/printk.c:3150)
[  182.345383][ T5478]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[  182.345388][ T5478]  console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420)
[  182.345391][ T5478]  ? console_flush_one_record (kernel/printk/printk.c:3316)
[  182.345393][ T5478]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  182.345395][ T5478]  ? 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)
[  182.345398][ T5478]  ? __down_trylock_console_sem (kernel/printk/printk.c:334)
[  182.345400][ T5478]  ? vprintk_emit (kernel/printk/printk.c:2478)
[  182.345403][ T5478]  vprintk_emit (kernel/printk/printk.c:2479)
[  182.345406][ T5478]  ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126))
[  182.345408][ T5478]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554)
[  182.345411][ T5478]  ? mark_held_locks (kernel/locking/lockdep.c:4341)
[  182.345414][ T5478]  _printk (kernel/printk/printk.c:2504)
[  182.345418][ T5478]  ? snapshot_read.cold (user.c:?)
[  182.345421][ T5478]  ? br_multicast_flood (??:?)
[  182.345424][ T5478]  ? do_setlink.isra.0 (net/core/rtnetlink.c:3273 (discriminator 1))
[  182.345426][ T5478]  ? rtnl_newlink (net/core/rtnetlink.c:4215)
[  182.345427][ T5478]  ? rtnetlink_rcv_msg (net/core/rtnetlink.c:7132)
[  182.345431][ T5478]  br_set_state (net/bridge/br_stp.c:57 (discriminator 2))
[  182.345435][ T5478]  br_init_port (net/bridge/br_stp_if.c:39)
[  182.345438][ T5478]  new_nbp (net/bridge/br_if.c:449)
[  182.345442][ T5478]  br_add_if (net/bridge/br_if.c:592)
[  182.345444][ T5478]  ? is_bpf_text_address (./include/linux/rcupdate.h:882 kernel/bpf/core.c:751)
[  182.345448][ T5478]  ? kernel_text_address (kernel/extable.c:125 kernel/extable.c:94)
[  182.345453][ T5478]  do_set_master (net/core/rtnetlink.c:3071)
[  182.345457][ T5478]  do_setlink.isra.0 (net/core/rtnetlink.c:3273 (discriminator 1))
[  182.345460][ T5478]  ? stack_trace_save (kernel/stacktrace.c:122 (discriminator 1))
[  182.345463][ T5478]  ? rtnl_link_get_size (net/core/rtnetlink.c:747)
[  182.345465][ T5478]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:388 kernel/rcu/update.c:380)
[  182.345467][ T5478]  ? stack_depot_save_flags (lib/stackdepot.c:609 (discriminator 2) lib/stackdepot.c:676 (discriminator 2))
[  182.345471][ T5478]  ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4116 (discriminator 3) kernel/rcu/tree.c:4108 (discriminator 3))
[  182.345473][ T5478]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380)
[  182.345474][ T5478]  ? validate_chain (kernel/locking/lockdep.c:3817 (discriminator 2) kernel/locking/lockdep.c:3837 (discriminator 2) kernel/locking/lockdep.c:3892 (discriminator 2))
[  182.345477][ T5478]  ? kasan_save_stack (mm/kasan/common.c:58)
[  182.345479][ T5478]  ? kasan_save_stack (mm/kasan/common.c:57)
[  182.345480][ T5478]  ? kasan_save_track (mm/kasan/common.c:78)
[  182.345481][ T5478]  ? __kasan_kmalloc (mm/kasan/common.c:398 mm/kasan/common.c:415)
[  182.345484][ T5478]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[  182.345486][ T5478]  ? snd_ac97_proc_read_main (sound/pci/ac97/ac97_proc.c:320)
[  182.345488][ T5478]  ? ___sys_sendmsg (net/socket.c:2758)
[  182.345492][ T5478]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2))
[  182.345494][ T5478]  ? rtnl_newlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:366 net/core/rtnetlink.c:4214)
[  182.345497][ T5478]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  182.345498][ T5478]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  182.345500][ T5478]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  182.345501][ T5478]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  182.345503][ T5478]  ? trace_contention_end (./include/trace/events/lock.h:121 (discriminator 22))
[  182.345505][ T5478]  ? __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)
[  182.345508][ T5478]  ? __mutex_lock (kernel/locking/mutex.c:656 (discriminator 1) kernel/locking/mutex.c:821 (discriminator 1))
[  182.345510][ T5478]  ? rtnl_newlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:366 net/core/rtnetlink.c:4214)
[  182.345513][ T5478]  ? ww_mutex_lock (kernel/locking/mutex.c:934)
[  182.345514][ T5478]  ? nla_get_range_signed (lib/nlattr.c:270)
[  182.345519][ T5478]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  182.345521][ T5478]  ? __rtnl_newlink (net/core/rtnetlink.c:4063)
[  182.345526][ T5478]  rtnl_newlink (net/core/rtnetlink.c:4215)
[  182.345532][ T5478]  ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558)
[  182.345534][ T5478]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[  182.345538][ T5478]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2))
[  182.345540][ T5478]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[  182.345542][ T5478]  ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558)
[  182.345544][ T5478]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554)
[  182.345548][ T5478]  ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558)
[  182.345550][ T5478]  rtnetlink_rcv_msg (net/core/rtnetlink.c:7132)
[  182.345553][ T5478]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[  182.345554][ T5478]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[  182.345559][ T5478]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2))
[  182.345561][ T5478]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[  182.345564][ T5478]  netlink_rcv_skb (net/netlink/af_netlink.c:2556)
[  182.345567][ T5478]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[  182.345570][ T5478]  ? netlink_ack (./include/linux/skbuff.h:2718)
[  182.345577][ T5478]  ? 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))
[  182.345579][ T5478]  ? 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))
[  182.345583][ T5478]  netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[  182.345587][ T5478]  ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[  182.345590][ T5478]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[  182.345594][ T5478]  netlink_sendmsg (net/netlink/af_netlink.c:1900)
[  182.345598][ T5478]  ? netlink_unicast (./include/net/net_namespace.h:422 (discriminator 7))
[  182.345602][ T5478]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554)
[  182.345604][ T5478]  ? __import_iovec (lib/iov_iter.c:1358 lib/iov_iter.c:1373)
[  182.345609][ T5478]  __sock_sendmsg (net/socket.c:800 (discriminator 4) net/socket.c:815 (discriminator 4))
[  182.345612][ T5478]  ____sys_sendmsg (net/socket.c:2713)
[  182.345614][ T5478]  ? copy_msghdr_from_user (net/socket.c:2650)
[  182.345616][ T5478]  ? sock_write_iter (net/socket.c:1269)
[  182.345618][ T5478]  ? move_addr_to_kernel (net/socket.c:258)
[  182.345626][ T5478]  ___sys_sendmsg (net/socket.c:2767)
[  182.345628][ T5478]  ? copy_msghdr_from_user (net/socket.c:2619)
[  182.345645][ T5478]  __sys_sendmsg (net/socket.c:2799)
[  182.345647][ T5478]  ? __sys_sendmsg_sock (net/socket.c:2780)
[  182.345654][ T5478]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  182.345657][ T5478]  do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84)
[  182.345660][ T5478]  ? exc_page_fault (arch/x86/mm/fault.c:1489 (discriminator 3) arch/x86/mm/fault.c:1536 (discriminator 3))
[  182.345663][ T5478]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[  182.345665][ T5478] RIP: 0033:0x7f8386e5c54e
[  182.345668][ T5478] 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
[  182.345670][ T5478] RSP: 002b:00007ffdfea1b2f0 EFLAGS: 00000202 ORIG_RAX: 000000000000002e
[  182.345673][ T5478] RAX: ffffffffffffffda RBX: 0000000000000003 RCX: 00007f8386e5c54e
[  182.345674][ T5478] RDX: 0000000000000000 RSI: 00007ffdfea1b3a0 RDI: 0000000000000005
[  182.345675][ T5478] RBP: 00007ffdfea1b300 R08: 0000000000000000 R09: 0000000000000000
[  182.345676][ T5478] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a916562
[  182.345677][ T5478] R13: 00000000004a1620 R14: 0000000000000000 R15: 00007ffdfea1ba60
| [  186.346212][   T70] softirqs last disabled at (5902270): vxlan_flush (./include/linux/spinlock.h:353 drivers/net/vxlan/vxlan_core.c:3094) vxlan
| [  186.346215][   T70] Preemption disabled at:
| [  186.346216][   T70] vprintk_emit (kernel/printk/printk.c:2471)
| [  186.346224][   T70] Tainted: [W]=WARN
[  186.346225][   T70] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[  186.346227][   T70] Workqueue: netns cleanup_net
[  186.346230][   T70] Call Trace:
[  186.346231][   T70]  <TASK>
[  186.346233][   T70]  dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120)
[  186.346239][   T70]  ? vprintk_emit (kernel/printk/printk.c:2471)
[  186.346241][   T70]  __might_resched.cold (kernel/sched/core.c:9234)
[  186.346246][   T70]  ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3))
[  186.346250][   T70]  ? __kmalloc_noprof (./include/linux/sched/mm.h:317 mm/slub.c:4636 mm/slub.c:4974 mm/slub.c:5413 mm/slub.c:5439)
[  186.346254][   T70]  __kmalloc_noprof (./include/linux/sched/mm.h:322 (discriminator 2) mm/slub.c:4636 (discriminator 2) mm/slub.c:4974 (discriminator 2) mm/slub.c:5413 (discriminator 2) mm/slub.c:5439 (discriminator 2))
[  186.346256][   T70]  ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[  186.346263][   T70]  ? do_raw_spin_unlock (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:32 ./include/asm-generic/qspinlock.h:58 kernel/locking/spinlock_debug.c:101 kernel/locking/spinlock_debug.c:141)
[  186.346265][   T70]  alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[  186.346269][   T70]  put_chars (drivers/char/virtio_console.c:1176)
[  186.346272][   T70]  ? __send_to_port (drivers/char/virtio_console.c:654)
[  186.346273][   T70]  ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4116 (discriminator 3) kernel/rcu/tree.c:4108 (discriminator 3))
[  186.346276][   T70]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380)
[  186.346279][   T70]  ? validate_chain (kernel/locking/lockdep.c:3817 (discriminator 2) kernel/locking/lockdep.c:3837 (discriminator 2) kernel/locking/lockdep.c:3892 (discriminator 2))
[  186.346284][   T70]  hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2))
[  186.346288][   T70]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[  186.346293][   T70]  ? hvc_write (drivers/tty/hvc/hvc_console.c:501)
[  186.346296][   T70]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  186.346301][   T70]  console_emit_next_record (kernel/printk/printk.c:3183)
[  186.346305][   T70]  ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20)
[  186.346307][   T70]  ? console_flush_one_record (./include/linux/rcupdate.h:314 (discriminator 2) ./include/linux/srcu.h:439 (discriminator 2) kernel/printk/printk.c:291 (discriminator 2) kernel/printk/printk.c:3246 (discriminator 2))
[  186.346311][   T70]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  186.346313][   T70]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  186.346317][   T70]  console_flush_one_record (kernel/printk/printk.c:3268)
[  186.346321][   T70]  ? console_emit_next_record (kernel/printk/printk.c:3150)
[  186.346323][   T70]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[  186.346328][   T70]  console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420)
[  186.346331][   T70]  ? console_flush_one_record (kernel/printk/printk.c:3316)
[  186.346333][   T70]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  186.346335][   T70]  ? 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)
[  186.346339][   T70]  ? __down_trylock_console_sem (kernel/printk/printk.c:334)
[  186.346341][   T70]  ? vprintk_emit (kernel/printk/printk.c:2478)
[  186.346343][   T70]  vprintk_emit (kernel/printk/printk.c:2479)
[  186.346347][   T70]  ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126))
[  186.346348][   T70]  ? cleanup_net (net/core/net_namespace.c:706)
[  186.346350][   T70]  ? worker_thread (kernel/workqueue.c:3470 kernel/workqueue.c:3551)
[  186.346352][   T70]  ? kthread (kernel/kthread.c:436)
[  186.346354][   T70]  ? ret_from_fork (arch/x86/kernel/process.c:158)
[  186.346357][   T70]  ? ret_from_fork_asm (arch/x86/entry/entry_64.S:245)
[  186.346362][   T70]  _printk (kernel/printk/printk.c:2504)
[  186.346365][   T70]  ? snapshot_read.cold (user.c:?)
[  186.346370][   T70]  ? netdev_name (./include/linux/netdevice.h:5709 (discriminator 1))
[  186.346373][   T70]  ? __netdev_printk (net/core/dev.c:13148 (discriminator 2))
[  186.346377][   T70]  netdev_info (net/core/dev.c:13195 (discriminator 3))
[  186.346380][   T70]  ? netdev_notice (net/core/dev.c:13194)
[  186.346385][   T70]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  186.346386][   T70]  ? __up_read (kernel/locking/rwsem.c:1397 (discriminator 1))
[  186.346389][   T70]  ? down_write_nested (kernel/locking/rwsem.c:1759)
[  186.346391][   T70]  ? 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)
[  186.346393][   T70]  netif_set_allmulti.cold (net/core/dev.c:9731 (discriminator 3))
[  186.346398][   T70]  dev_set_allmulti (net/core/dev_api.c:315)
[  186.346401][   T70]  del_nbp (net/bridge/br_if.c:253 net/bridge/br_if.c:341)
[  186.346408][   T70]  br_dev_delete (net/bridge/br_if.c:387)
[  186.346411][   T70]  br_net_exit_rtnl (net/bridge/br.c:414)
[  186.346415][   T70]  ops_undo_list (net/core/net_namespace.c:181 net/core/net_namespace.c:249)
[  186.346418][   T70]  ? lockdep_hardirqs_on (kernel/locking/lockdep.c:4488)
[  186.346422][   T70]  ? netns_install (./include/linux/ns_common.h:26)
[  186.346423][   T70]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554)
[  186.346427][   T70]  ? idr_destroy (lib/radix-tree.c:310 lib/radix-tree.c:674 lib/radix-tree.c:1563)
[  186.346431][   T70]  cleanup_net (net/core/net_namespace.c:706)
[  186.346434][   T70]  ? net_passive_dec (./include/linux/llist.h:241)
[  186.346438][   T70]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  186.346440][   T70]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  186.346444][   T70]  process_one_work (kernel/workqueue.c:3387)
[  186.346450][   T70]  ? __queue_delayed_work (kernel/workqueue.c:2622)
[  186.346453][   T70]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2))
[  186.346461][   T70]  worker_thread (kernel/workqueue.c:3470 kernel/workqueue.c:3551)
[  186.346465][   T70]  ? rescuer_thread (./include/linux/list.h:419 (discriminator 3))
[  186.346468][   T70]  ? __kthread_parkme (./include/linux/instrumented.h:82 ./include/asm-generic/bitops/instrumented-non-atomic.h:141 kernel/kthread.c:272)
[  186.346470][   T70]  ? rescuer_thread (./include/linux/list.h:419 (discriminator 3))
[  186.346473][   T70]  ? rescuer_thread (./include/linux/list.h:419 (discriminator 3))
[  186.346475][   T70]  kthread (kernel/kthread.c:436)
[  186.346477][   T70]  ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22))
[  186.346481][   T70]  ? kthread_affine_preferred (kernel/kthread.c:857)
[  186.346484][   T70]  ret_from_fork (arch/x86/kernel/process.c:158)
[  186.346487][   T70]  ? arch_exit_to_user_mode_prepare.isra.0 (arch/x86/entry/vdso/vma.c:80 (discriminator 1))
[  186.346490][   T70]  ? __switch_to (arch/x86/kernel/process_64.c:403 arch/x86/kernel/process_64.c:663)
[  186.346494][   T70]  ? kthread_affine_preferred (kernel/kthread.c:857)
[  186.346496][   T70]  ret_from_fork_asm (arch/x86/entry/entry_64.S:245)
| [  189.710678][ T5680] softirqs last disabled at (34890): __alloc_skb (./include/linux/bottom_half.h:20 (discriminator 2) net/core/skbuff.c:697 (discriminator 2))
| [  189.710681][ T5680] Preemption disabled at:
| [  189.710681][ T5680] vprintk_emit (kernel/printk/printk.c:2471)
| [  189.710689][ T5680] Tainted: [W]=WARN
[  189.710690][ T5680] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[  189.710692][ T5680] Call Trace:
[  189.710694][ T5680]  <TASK>
[  189.710695][ T5680]  dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120)
[  189.710701][ T5680]  ? vprintk_emit (kernel/printk/printk.c:2471)
[  189.710703][ T5680]  __might_resched.cold (kernel/sched/core.c:9234)
[  189.710708][ T5680]  ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3))
[  189.710712][ T5680]  ? __kmalloc_noprof (./include/linux/sched/mm.h:317 mm/slub.c:4636 mm/slub.c:4974 mm/slub.c:5413 mm/slub.c:5439)
[  189.710716][ T5680]  __kmalloc_noprof (./include/linux/sched/mm.h:322 (discriminator 2) mm/slub.c:4636 (discriminator 2) mm/slub.c:4974 (discriminator 2) mm/slub.c:5413 (discriminator 2) mm/slub.c:5439 (discriminator 2))
[  189.710718][ T5680]  ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[  189.710725][ T5680]  ? do_raw_spin_unlock (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:32 ./include/asm-generic/qspinlock.h:58 kernel/locking/spinlock_debug.c:101 kernel/locking/spinlock_debug.c:141)
[  189.710728][ T5680]  alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[  189.710732][ T5680]  put_chars (drivers/char/virtio_console.c:1176)
[  189.710734][ T5680]  ? __send_to_port (drivers/char/virtio_console.c:654)
[  189.710735][ T5680]  ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4116 (discriminator 3) kernel/rcu/tree.c:4108 (discriminator 3))
[  189.710739][ T5680]  ? validate_chain (kernel/locking/lockdep.c:3817 (discriminator 2) kernel/locking/lockdep.c:3837 (discriminator 2) kernel/locking/lockdep.c:3892 (discriminator 2))
[  189.710744][ T5680]  hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2))
[  189.710752][ T5680]  ? hvc_write (drivers/tty/hvc/hvc_console.c:501)
[  189.710754][ T5680]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  189.710756][ T5680]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  189.710760][ T5680]  console_emit_next_record (kernel/printk/printk.c:3183)
[  189.710764][ T5680]  ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20)
[  189.710766][ T5680]  ? console_flush_one_record (./include/linux/rcupdate.h:314 (discriminator 2) ./include/linux/srcu.h:439 (discriminator 2) kernel/printk/printk.c:291 (discriminator 2) kernel/printk/printk.c:3246 (discriminator 2))
[  189.710772][ T5680]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  189.710774][ T5680]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  189.710778][ T5680]  console_flush_one_record (kernel/printk/printk.c:3268)
[  189.710782][ T5680]  ? console_emit_next_record (kernel/printk/printk.c:3150)
[  189.710784][ T5680]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[  189.710789][ T5680]  console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420)
[  189.710792][ T5680]  ? console_flush_one_record (kernel/printk/printk.c:3316)
[  189.710793][ T5680]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  189.710795][ T5680]  ? 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)
[  189.710799][ T5680]  ? __down_trylock_console_sem (kernel/printk/printk.c:334)
[  189.710801][ T5680]  ? vprintk_emit (kernel/printk/printk.c:2478)
[  189.710803][ T5680]  vprintk_emit (kernel/printk/printk.c:2479)
[  189.710806][ T5680]  ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126))
[  189.710808][ T5680]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554)
[  189.710811][ T5680]  ? mark_held_locks (kernel/locking/lockdep.c:4341)
[  189.710814][ T5680]  _printk (kernel/printk/printk.c:2504)
[  189.710818][ T5680]  ? snapshot_read.cold (user.c:?)
[  189.710822][ T5680]  ? br_multicast_flood (??:?)
[  189.710825][ T5680]  ? do_setlink.isra.0 (net/core/rtnetlink.c:3273 (discriminator 1))
[  189.710827][ T5680]  ? rtnl_newlink (net/core/rtnetlink.c:4215)
[  189.710828][ T5680]  ? rtnetlink_rcv_msg (net/core/rtnetlink.c:7132)
[  189.710832][ T5680]  br_set_state (net/bridge/br_stp.c:57 (discriminator 2))
[  189.710836][ T5680]  br_init_port (net/bridge/br_stp_if.c:39)
[  189.710839][ T5680]  new_nbp (net/bridge/br_if.c:449)
[  189.710842][ T5680]  br_add_if (net/bridge/br_if.c:592)
[  189.710845][ T5680]  ? is_bpf_text_address (./include/linux/rcupdate.h:882 kernel/bpf/core.c:751)
[  189.710848][ T5680]  ? kernel_text_address (kernel/extable.c:125 kernel/extable.c:94)
[  189.710854][ T5680]  do_set_master (net/core/rtnetlink.c:3071)
[  189.710857][ T5680]  do_setlink.isra.0 (net/core/rtnetlink.c:3273 (discriminator 1))
[  189.710860][ T5680]  ? stack_trace_save (kernel/stacktrace.c:122 (discriminator 1))
[  189.710864][ T5680]  ? rtnl_link_get_size (net/core/rtnetlink.c:747)
[  189.710865][ T5680]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:388 kernel/rcu/update.c:380)
[  189.710868][ T5680]  ? stack_depot_save_flags (lib/stackdepot.c:609 (discriminator 2) lib/stackdepot.c:676 (discriminator 2))
[  189.710871][ T5680]  ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4116 (discriminator 3) kernel/rcu/tree.c:4108 (discriminator 3))
[  189.710873][ T5680]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380)
[  189.710875][ T5680]  ? validate_chain (kernel/locking/lockdep.c:3817 (discriminator 2) kernel/locking/lockdep.c:3837 (discriminator 2) kernel/locking/lockdep.c:3892 (discriminator 2))
[  189.710877][ T5680]  ? kasan_save_stack (mm/kasan/common.c:58)
[  189.710880][ T5680]  ? kasan_save_stack (mm/kasan/common.c:57)
[  189.710881][ T5680]  ? kasan_save_track (mm/kasan/common.c:78)
[  189.710882][ T5680]  ? __kasan_kmalloc (mm/kasan/common.c:398 mm/kasan/common.c:415)
[  189.710885][ T5680]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[  189.710887][ T5680]  ? snd_ac97_proc_read_main (sound/pci/ac97/ac97_proc.c:320)
[  189.710889][ T5680]  ? ___sys_sendmsg (net/socket.c:2758)
[  189.710893][ T5680]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2))
[  189.710895][ T5680]  ? rtnl_newlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:366 net/core/rtnetlink.c:4214)
[  189.710898][ T5680]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  189.710899][ T5680]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  189.710901][ T5680]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  189.710902][ T5680]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  189.710904][ T5680]  ? trace_contention_end (./include/trace/events/lock.h:121 (discriminator 22))
[  189.710906][ T5680]  ? __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)
[  189.710909][ T5680]  ? __mutex_lock (kernel/locking/mutex.c:656 (discriminator 1) kernel/locking/mutex.c:821 (discriminator 1))
[  189.710911][ T5680]  ? rtnl_newlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:366 net/core/rtnetlink.c:4214)
[  189.710914][ T5680]  ? ww_mutex_lock (kernel/locking/mutex.c:934)
[  189.710915][ T5680]  ? nla_get_range_signed (lib/nlattr.c:270)
[  189.710920][ T5680]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  189.710922][ T5680]  ? __rtnl_newlink (net/core/rtnetlink.c:4063)
[  189.710927][ T5680]  rtnl_newlink (net/core/rtnetlink.c:4215)
[  189.710932][ T5680]  ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558)
[  189.710934][ T5680]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[  189.710938][ T5680]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2))
[  189.710940][ T5680]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[  189.710942][ T5680]  ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558)
[  189.710944][ T5680]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554)
[  189.710948][ T5680]  ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558)
[  189.710950][ T5680]  rtnetlink_rcv_msg (net/core/rtnetlink.c:7132)
[  189.710953][ T5680]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[  189.710954][ T5680]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[  189.710959][ T5680]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2))
[  189.710961][ T5680]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[  189.710964][ T5680]  netlink_rcv_skb (net/netlink/af_netlink.c:2556)
[  189.710967][ T5680]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[  189.710970][ T5680]  ? netlink_ack (./include/linux/skbuff.h:2718)
[  189.710976][ T5680]  ? 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))
[  189.710978][ T5680]  ? 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))
[  189.710983][ T5680]  netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[  189.710987][ T5680]  ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[  189.710989][ T5680]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[  189.710994][ T5680]  netlink_sendmsg (net/netlink/af_netlink.c:1900)
[  189.710997][ T5680]  ? netlink_unicast (./include/net/net_namespace.h:422 (discriminator 7))
[  189.711001][ T5680]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554)
[  189.711003][ T5680]  ? __import_iovec (lib/iov_iter.c:1358 lib/iov_iter.c:1373)
[  189.711008][ T5680]  __sock_sendmsg (net/socket.c:800 (discriminator 4) net/socket.c:815 (discriminator 4))
[  189.711011][ T5680]  ____sys_sendmsg (net/socket.c:2713)
[  189.711013][ T5680]  ? copy_msghdr_from_user (net/socket.c:2650)
[  189.711015][ T5680]  ? sock_write_iter (net/socket.c:1269)
[  189.711017][ T5680]  ? move_addr_to_kernel (net/socket.c:258)
[  189.711024][ T5680]  ___sys_sendmsg (net/socket.c:2767)
[  189.711027][ T5680]  ? copy_msghdr_from_user (net/socket.c:2619)
[  189.711042][ T5680]  __sys_sendmsg (net/socket.c:2799)
[  189.711045][ T5680]  ? __sys_sendmsg_sock (net/socket.c:2780)
[  189.711051][ T5680]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  189.711054][ T5680]  do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84)
[  189.711057][ T5680]  ? exc_page_fault (arch/x86/mm/fault.c:1489 (discriminator 3) arch/x86/mm/fault.c:1536 (discriminator 3))
[  189.711060][ T5680]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[  189.711062][ T5680] RIP: 0033:0x7f6c0812054e
[  189.711066][ T5680] 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
[  189.711067][ T5680] RSP: 002b:00007fffe78f17d0 EFLAGS: 00000202 ORIG_RAX: 000000000000002e
[  189.711070][ T5680] RAX: ffffffffffffffda RBX: 0000000000000003 RCX: 00007f6c0812054e
[  189.711071][ T5680] RDX: 0000000000000000 RSI: 00007fffe78f1880 RDI: 0000000000000005
[  189.711072][ T5680] RBP: 00007fffe78f17e0 R08: 0000000000000000 R09: 0000000000000000
[  189.711073][ T5680] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a91656a
[  189.711074][ T5680] R13: 00000000004a1620 R14: 0000000000000000 R15: 00007fffe78f1f40
| [  193.682712][   T70] softirqs last disabled at (6128932): netlink_release (./include/net/sock.h:2138 net/netlink/af_netlink.c:727)
| [  193.682714][   T70] Preemption disabled at:
| [  193.682715][   T70] vprintk_emit (kernel/printk/printk.c:2471)
| [  193.682723][   T70] Tainted: [W]=WARN
[  193.682724][   T70] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[  193.682725][   T70] Workqueue: netns cleanup_net
[  193.682728][   T70] Call Trace:
[  193.682730][   T70]  <TASK>
[  193.682732][   T70]  dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120)
[  193.682738][   T70]  ? vprintk_emit (kernel/printk/printk.c:2471)
[  193.682740][   T70]  __might_resched.cold (kernel/sched/core.c:9234)
[  193.682744][   T70]  ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3))
[  193.682749][   T70]  ? __kmalloc_noprof (./include/linux/sched/mm.h:317 mm/slub.c:4636 mm/slub.c:4974 mm/slub.c:5413 mm/slub.c:5439)
[  193.682753][   T70]  __kmalloc_noprof (./include/linux/sched/mm.h:322 (discriminator 2) mm/slub.c:4636 (discriminator 2) mm/slub.c:4974 (discriminator 2) mm/slub.c:5413 (discriminator 2) mm/slub.c:5439 (discriminator 2))
[  193.682755][   T70]  ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[  193.682762][   T70]  ? do_raw_spin_unlock (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:32 ./include/asm-generic/qspinlock.h:58 kernel/locking/spinlock_debug.c:101 kernel/locking/spinlock_debug.c:141)
[  193.682765][   T70]  alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[  193.682772][   T70]  put_chars (drivers/char/virtio_console.c:1176)
[  193.682775][   T70]  ? __send_to_port (drivers/char/virtio_console.c:654)
[  193.682776][   T70]  ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4116 (discriminator 3) kernel/rcu/tree.c:4108 (discriminator 3))
[  193.682780][   T70]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380)
[  193.682783][   T70]  ? validate_chain (kernel/locking/lockdep.c:3817 (discriminator 2) kernel/locking/lockdep.c:3837 (discriminator 2) kernel/locking/lockdep.c:3892 (discriminator 2))
[  193.682788][   T70]  hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2))
[  193.682792][   T70]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[  193.682798][   T70]  ? hvc_write (drivers/tty/hvc/hvc_console.c:501)
[  193.682801][   T70]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  193.682805][   T70]  console_emit_next_record (kernel/printk/printk.c:3183)
[  193.682810][   T70]  ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20)
[  193.682812][   T70]  ? console_flush_one_record (./include/linux/rcupdate.h:314 (discriminator 2) ./include/linux/srcu.h:439 (discriminator 2) kernel/printk/printk.c:291 (discriminator 2) kernel/printk/printk.c:3246 (discriminator 2))
[  193.682815][   T70]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  193.682817][   T70]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  193.682821][   T70]  console_flush_one_record (kernel/printk/printk.c:3268)
[  193.682825][   T70]  ? console_emit_next_record (kernel/printk/printk.c:3150)
[  193.682827][   T70]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[  193.682832][   T70]  console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420)
[  193.682835][   T70]  ? console_flush_one_record (kernel/printk/printk.c:3316)
[  193.682837][   T70]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  193.682839][   T70]  ? 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)
[  193.682843][   T70]  ? __down_trylock_console_sem (kernel/printk/printk.c:334)
[  193.682845][   T70]  ? vprintk_emit (kernel/printk/printk.c:2478)
[  193.682847][   T70]  vprintk_emit (kernel/printk/printk.c:2479)
[  193.682851][   T70]  ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126))
[  193.682852][   T70]  ? cleanup_net (net/core/net_namespace.c:706)
[  193.682854][   T70]  ? worker_thread (kernel/workqueue.c:3470 kernel/workqueue.c:3551)
[  193.682856][   T70]  ? kthread (kernel/kthread.c:436)
[  193.682858][   T70]  ? ret_from_fork (arch/x86/kernel/process.c:158)
[  193.682861][   T70]  ? ret_from_fork_asm (arch/x86/entry/entry_64.S:245)
[  193.682866][   T70]  _printk (kernel/printk/printk.c:2504)
[  193.682870][   T70]  ? snapshot_read.cold (user.c:?)
[  193.682874][   T70]  ? netdev_name (./include/linux/netdevice.h:5709 (discriminator 1))
[  193.682878][   T70]  ? __netdev_printk (net/core/dev.c:13148 (discriminator 2))
[  193.682882][   T70]  netdev_info (net/core/dev.c:13195 (discriminator 3))
[  193.682885][   T70]  ? netdev_notice (net/core/dev.c:13194)
[  193.682890][   T70]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  193.682891][   T70]  ? __up_read (kernel/locking/rwsem.c:1397 (discriminator 1))
[  193.682894][   T70]  ? down_write_nested (kernel/locking/rwsem.c:1759)
[  193.682896][   T70]  ? 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)
[  193.682898][   T70]  netif_set_allmulti.cold (net/core/dev.c:9731 (discriminator 3))
[  193.682903][   T70]  dev_set_allmulti (net/core/dev_api.c:315)
[  193.682907][   T70]  del_nbp (net/bridge/br_if.c:253 net/bridge/br_if.c:341)
[  193.682910][   T70]  ? __up_write (kernel/locking/rwsem.c:1415)
[  193.682911][   T70]  ? __up_write (kernel/locking/rwsem.c:1422 (discriminator 1))
[  193.682915][   T70]  br_dev_delete (net/bridge/br_if.c:387)
[  193.682919][   T70]  br_net_exit_rtnl (net/bridge/br.c:414)
[  193.682922][   T70]  ops_undo_list (net/core/net_namespace.c:181 net/core/net_namespace.c:249)
[  193.682926][   T70]  ? lockdep_hardirqs_on (kernel/locking/lockdep.c:4488)
[  193.682929][   T70]  ? netns_install (./include/linux/ns_common.h:26)
[  193.682931][   T70]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554)
[  193.682934][   T70]  ? idr_destroy (lib/radix-tree.c:310 lib/radix-tree.c:674 lib/radix-tree.c:1563)
[  193.682939][   T70]  cleanup_net (net/core/net_namespace.c:706)
[  193.682942][   T70]  ? net_passive_dec (./include/linux/llist.h:241)
[  193.682946][   T70]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  193.682948][   T70]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  193.682951][   T70]  process_one_work (kernel/workqueue.c:3387)
[  193.682958][   T70]  ? __queue_delayed_work (kernel/workqueue.c:2622)
[  193.682961][   T70]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2))
[  193.682969][   T70]  worker_thread (kernel/workqueue.c:3470 kernel/workqueue.c:3551)
[  193.682973][   T70]  ? rescuer_thread (./include/linux/list.h:419 (discriminator 3))
[  193.682975][   T70]  ? __kthread_parkme (./include/linux/instrumented.h:82 ./include/asm-generic/bitops/instrumented-non-atomic.h:141 kernel/kthread.c:272)
[  193.682978][   T70]  ? rescuer_thread (./include/linux/list.h:419 (discriminator 3))
[  193.682981][   T70]  ? rescuer_thread (./include/linux/list.h:419 (discriminator 3))
[  193.682983][   T70]  kthread (kernel/kthread.c:436)
[  193.682985][   T70]  ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22))
[  193.682988][   T70]  ? kthread_affine_preferred (kernel/kthread.c:857)
[  193.682991][   T70]  ret_from_fork (arch/x86/kernel/process.c:158)
[  193.682994][   T70]  ? arch_exit_to_user_mode_prepare.isra.0 (arch/x86/entry/vdso/vma.c:80 (discriminator 1))
[  193.682998][   T70]  ? __switch_to (arch/x86/kernel/process_64.c:403 arch/x86/kernel/process_64.c:663)
[  193.683001][   T70]  ? kthread_affine_preferred (kernel/kthread.c:857)
[  193.683004][   T70]  ret_from_fork_asm (arch/x86/entry/entry_64.S:245)
| [  197.227908][ T5894] softirqs last disabled at (37312): __alloc_skb (./include/linux/bottom_half.h:20 (discriminator 2) net/core/skbuff.c:697 (discriminator 2))
| [  197.227910][ T5894] Preemption disabled at:
| [  197.227911][ T5894] vprintk_emit (kernel/printk/printk.c:2471)
| [  197.227919][ T5894] Tainted: [W]=WARN
[  197.227920][ T5894] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[  197.227922][ T5894] Call Trace:
[  197.227924][ T5894]  <TASK>
[  197.227925][ T5894]  dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120)
[  197.227931][ T5894]  ? vprintk_emit (kernel/printk/printk.c:2471)
[  197.227932][ T5894]  __might_resched.cold (kernel/sched/core.c:9234)
[  197.227937][ T5894]  ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3))
[  197.227941][ T5894]  ? __kmalloc_noprof (./include/linux/sched/mm.h:317 mm/slub.c:4636 mm/slub.c:4974 mm/slub.c:5413 mm/slub.c:5439)
[  197.227945][ T5894]  __kmalloc_noprof (./include/linux/sched/mm.h:322 (discriminator 2) mm/slub.c:4636 (discriminator 2) mm/slub.c:4974 (discriminator 2) mm/slub.c:5413 (discriminator 2) mm/slub.c:5439 (discriminator 2))
[  197.227947][ T5894]  ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[  197.227954][ T5894]  ? do_raw_spin_unlock (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:32 ./include/asm-generic/qspinlock.h:58 kernel/locking/spinlock_debug.c:101 kernel/locking/spinlock_debug.c:141)
[  197.227957][ T5894]  alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[  197.227961][ T5894]  put_chars (drivers/char/virtio_console.c:1176)
[  197.227963][ T5894]  ? __send_to_port (drivers/char/virtio_console.c:654)
[  197.227964][ T5894]  ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4116 (discriminator 3) kernel/rcu/tree.c:4108 (discriminator 3))
[  197.227968][ T5894]  ? validate_chain (kernel/locking/lockdep.c:3817 (discriminator 2) kernel/locking/lockdep.c:3837 (discriminator 2) kernel/locking/lockdep.c:3892 (discriminator 2))
[  197.227973][ T5894]  hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2))
[  197.227981][ T5894]  ? hvc_write (drivers/tty/hvc/hvc_console.c:501)
[  197.227983][ T5894]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  197.227985][ T5894]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  197.227990][ T5894]  console_emit_next_record (kernel/printk/printk.c:3183)
[  197.227994][ T5894]  ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20)
[  197.227996][ T5894]  ? console_flush_one_record (./include/linux/rcupdate.h:314 (discriminator 2) ./include/linux/srcu.h:439 (discriminator 2) kernel/printk/printk.c:291 (discriminator 2) kernel/printk/printk.c:3246 (discriminator 2))
[  197.227999][ T5894]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  197.228000][ T5894]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  197.228004][ T5894]  console_flush_one_record (kernel/printk/printk.c:3268)
[  197.228009][ T5894]  ? console_emit_next_record (kernel/printk/printk.c:3150)
[  197.228010][ T5894]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[  197.228016][ T5894]  console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420)
[  197.228019][ T5894]  ? console_flush_one_record (kernel/printk/printk.c:3316)
[  197.228020][ T5894]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  197.228022][ T5894]  ? 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)
[  197.228026][ T5894]  ? __down_trylock_console_sem (kernel/printk/printk.c:334)
[  197.228028][ T5894]  ? vprintk_emit (kernel/printk/printk.c:2478)
[  197.228030][ T5894]  vprintk_emit (kernel/printk/printk.c:2479)
[  197.228034][ T5894]  ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126))
[  197.228035][ T5894]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554)
[  197.228038][ T5894]  ? mark_held_locks (kernel/locking/lockdep.c:4341)
[  197.228042][ T5894]  _printk (kernel/printk/printk.c:2504)
[  197.228045][ T5894]  ? snapshot_read.cold (user.c:?)
[  197.228049][ T5894]  ? br_multicast_flood (??:?)
[  197.228052][ T5894]  ? do_setlink.isra.0 (net/core/rtnetlink.c:3273 (discriminator 1))
[  197.228054][ T5894]  ? rtnl_newlink (net/core/rtnetlink.c:4215)
[  197.228055][ T5894]  ? rtnetlink_rcv_msg (net/core/rtnetlink.c:7132)
[  197.228059][ T5894]  br_set_state (net/bridge/br_stp.c:57 (discriminator 2))
[  197.228064][ T5894]  br_init_port (net/bridge/br_stp_if.c:39)
[  197.228066][ T5894]  new_nbp (net/bridge/br_if.c:449)
[  197.228070][ T5894]  br_add_if (net/bridge/br_if.c:592)
[  197.228072][ T5894]  ? is_bpf_text_address (./include/linux/rcupdate.h:882 kernel/bpf/core.c:751)
[  197.228076][ T5894]  ? kernel_text_address (kernel/extable.c:125 kernel/extable.c:94)
[  197.228081][ T5894]  do_set_master (net/core/rtnetlink.c:3071)
[  197.228084][ T5894]  do_setlink.isra.0 (net/core/rtnetlink.c:3273 (discriminator 1))
[  197.228088][ T5894]  ? stack_trace_save (kernel/stacktrace.c:122 (discriminator 1))
[  197.228091][ T5894]  ? rtnl_link_get_size (net/core/rtnetlink.c:747)
[  197.228092][ T5894]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:388 kernel/rcu/update.c:380)
[  197.228095][ T5894]  ? stack_depot_save_flags (lib/stackdepot.c:609 (discriminator 2) lib/stackdepot.c:676 (discriminator 2))
[  197.228098][ T5894]  ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4116 (discriminator 3) kernel/rcu/tree.c:4108 (discriminator 3))
[  197.228100][ T5894]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380)
[  197.228102][ T5894]  ? validate_chain (kernel/locking/lockdep.c:3817 (discriminator 2) kernel/locking/lockdep.c:3837 (discriminator 2) kernel/locking/lockdep.c:3892 (discriminator 2))
[  197.228104][ T5894]  ? kasan_save_stack (mm/kasan/common.c:58)
[  197.228107][ T5894]  ? kasan_save_stack (mm/kasan/common.c:57)
[  197.228108][ T5894]  ? kasan_save_track (mm/kasan/common.c:78)
[  197.228109][ T5894]  ? __kasan_kmalloc (mm/kasan/common.c:398 mm/kasan/common.c:415)
[  197.228111][ T5894]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[  197.228113][ T5894]  ? snd_ac97_proc_read_main (sound/pci/ac97/ac97_proc.c:320)
[  197.228116][ T5894]  ? ___sys_sendmsg (net/socket.c:2758)
[  197.228120][ T5894]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2))
[  197.228122][ T5894]  ? rtnl_newlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:366 net/core/rtnetlink.c:4214)
[  197.228125][ T5894]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  197.228126][ T5894]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  197.228128][ T5894]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  197.228129][ T5894]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  197.228131][ T5894]  ? trace_contention_end (./include/trace/events/lock.h:121 (discriminator 22))
[  197.228133][ T5894]  ? __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)
[  197.228135][ T5894]  ? __mutex_lock (kernel/locking/mutex.c:656 (discriminator 1) kernel/locking/mutex.c:821 (discriminator 1))
[  197.228137][ T5894]  ? rtnl_newlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:366 net/core/rtnetlink.c:4214)
[  197.228141][ T5894]  ? ww_mutex_lock (kernel/locking/mutex.c:934)
[  197.228142][ T5894]  ? nla_get_range_signed (lib/nlattr.c:270)
[  197.228147][ T5894]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  197.228149][ T5894]  ? __rtnl_newlink (net/core/rtnetlink.c:4063)
[  197.228154][ T5894]  rtnl_newlink (net/core/rtnetlink.c:4215)
[  197.228159][ T5894]  ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558)
[  197.228161][ T5894]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[  197.228166][ T5894]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2))
[  197.228168][ T5894]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[  197.228170][ T5894]  ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558)
[  197.228172][ T5894]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554)
[  197.228176][ T5894]  ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558)
[  197.228177][ T5894]  rtnetlink_rcv_msg (net/core/rtnetlink.c:7132)
[  197.228181][ T5894]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[  197.228182][ T5894]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[  197.228186][ T5894]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2))
[  197.228188][ T5894]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[  197.228192][ T5894]  netlink_rcv_skb (net/netlink/af_netlink.c:2556)
[  197.228195][ T5894]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[  197.228198][ T5894]  ? netlink_ack (./include/linux/skbuff.h:2718)
[  197.228204][ T5894]  ? 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))
[  197.228206][ T5894]  ? 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))
[  197.228211][ T5894]  netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[  197.228215][ T5894]  ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[  197.228217][ T5894]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[  197.228225][ T5894]  netlink_sendmsg (net/netlink/af_netlink.c:1900)
[  197.228229][ T5894]  ? netlink_unicast (./include/net/net_namespace.h:422 (discriminator 7))
[  197.228232][ T5894]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554)
[  197.228234][ T5894]  ? __import_iovec (lib/iov_iter.c:1358 lib/iov_iter.c:1373)
[  197.228239][ T5894]  __sock_sendmsg (net/socket.c:800 (discriminator 4) net/socket.c:815 (discriminator 4))
[  197.228242][ T5894]  ____sys_sendmsg (net/socket.c:2713)
[  197.228245][ T5894]  ? copy_msghdr_from_user (net/socket.c:2650)
[  197.228247][ T5894]  ? sock_write_iter (net/socket.c:1269)
[  197.228248][ T5894]  ? move_addr_to_kernel (net/socket.c:258)
[  197.228256][ T5894]  ___sys_sendmsg (net/socket.c:2767)
[  197.228258][ T5894]  ? copy_msghdr_from_user (net/socket.c:2619)
[  197.228274][ T5894]  __sys_sendmsg (net/socket.c:2799)
[  197.228277][ T5894]  ? __sys_sendmsg_sock (net/socket.c:2780)
[  197.228283][ T5894]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  197.228286][ T5894]  do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84)
[  197.228289][ T5894]  ? exc_page_fault (arch/x86/mm/fault.c:1489 (discriminator 3) arch/x86/mm/fault.c:1536 (discriminator 3))
[  197.228292][ T5894]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[  197.228294][ T5894] RIP: 0033:0x7fd950f9254e
[  197.228297][ T5894] 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
[  197.228299][ T5894] RSP: 002b:00007fffff0db190 EFLAGS: 00000202 ORIG_RAX: 000000000000002e
[  197.228302][ T5894] RAX: ffffffffffffffda RBX: 0000000000000003 RCX: 00007fd950f9254e
[  197.228303][ T5894] RDX: 0000000000000000 RSI: 00007fffff0db240 RDI: 0000000000000005
[  197.228304][ T5894] RBP: 00007fffff0db1a0 R08: 0000000000000000 R09: 0000000000000000
[  197.228305][ T5894] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a916571
[  197.228306][ T5894] R13: 00000000004a1620 R14: 0000000000000000 R15: 00007fffff0db900
| [  201.230968][   T70] softirqs last disabled at (6321986): netlink_release (./include/net/sock.h:2138 net/netlink/af_netlink.c:727)
| [  201.230970][   T70] Preemption disabled at:
| [  201.230971][   T70] vprintk_emit (kernel/printk/printk.c:2471)
| [  201.230979][   T70] Tainted: [W]=WARN
[  201.230980][   T70] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[  201.230982][   T70] Workqueue: netns cleanup_net
[  201.230985][   T70] Call Trace:
[  201.230987][   T70]  <TASK>
[  201.230988][   T70]  dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120)
[  201.230994][   T70]  ? vprintk_emit (kernel/printk/printk.c:2471)
[  201.230996][   T70]  __might_resched.cold (kernel/sched/core.c:9234)
[  201.231000][   T70]  ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3))
[  201.231004][   T70]  ? __kmalloc_noprof (./include/linux/sched/mm.h:317 mm/slub.c:4636 mm/slub.c:4974 mm/slub.c:5413 mm/slub.c:5439)
[  201.231009][   T70]  __kmalloc_noprof (./include/linux/sched/mm.h:322 (discriminator 2) mm/slub.c:4636 (discriminator 2) mm/slub.c:4974 (discriminator 2) mm/slub.c:5413 (discriminator 2) mm/slub.c:5439 (discriminator 2))
[  201.231011][   T70]  ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[  201.231017][   T70]  ? do_raw_spin_unlock (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:32 ./include/asm-generic/qspinlock.h:58 kernel/locking/spinlock_debug.c:101 kernel/locking/spinlock_debug.c:141)
[  201.231020][   T70]  alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[  201.231024][   T70]  put_chars (drivers/char/virtio_console.c:1176)
[  201.231026][   T70]  ? __send_to_port (drivers/char/virtio_console.c:654)
[  201.231028][   T70]  ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4116 (discriminator 3) kernel/rcu/tree.c:4108 (discriminator 3))
[  201.231031][   T70]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380)
[  201.231034][   T70]  ? validate_chain (kernel/locking/lockdep.c:3817 (discriminator 2) kernel/locking/lockdep.c:3837 (discriminator 2) kernel/locking/lockdep.c:3892 (discriminator 2))
[  201.231039][   T70]  hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2))
[  201.231043][   T70]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[  201.231048][   T70]  ? hvc_write (drivers/tty/hvc/hvc_console.c:501)
[  201.231051][   T70]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  201.231056][   T70]  console_emit_next_record (kernel/printk/printk.c:3183)
[  201.231061][   T70]  ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20)
[  201.231062][   T70]  ? console_flush_one_record (./include/linux/rcupdate.h:314 (discriminator 2) ./include/linux/srcu.h:439 (discriminator 2) kernel/printk/printk.c:291 (discriminator 2) kernel/printk/printk.c:3246 (discriminator 2))
[  201.231066][   T70]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  201.231068][   T70]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  201.231072][   T70]  console_flush_one_record (kernel/printk/printk.c:3268)
[  201.231076][   T70]  ? console_emit_next_record (kernel/printk/printk.c:3150)
[  201.231078][   T70]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[  201.231083][   T70]  console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420)
[  201.231086][   T70]  ? console_flush_one_record (kernel/printk/printk.c:3316)
[  201.231088][   T70]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  201.231090][   T70]  ? 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)
[  201.231094][   T70]  ? __down_trylock_console_sem (kernel/printk/printk.c:334)
[  201.231096][   T70]  ? vprintk_emit (kernel/printk/printk.c:2478)
[  201.231099][   T70]  vprintk_emit (kernel/printk/printk.c:2479)
[  201.231102][   T70]  ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126))
[  201.231103][   T70]  ? cleanup_net (net/core/net_namespace.c:706)
[  201.231105][   T70]  ? worker_thread (kernel/workqueue.c:3470 kernel/workqueue.c:3551)
[  201.231107][   T70]  ? kthread (kernel/kthread.c:436)
[  201.231109][   T70]  ? ret_from_fork (arch/x86/kernel/process.c:158)
[  201.231112][   T70]  ? ret_from_fork_asm (arch/x86/entry/entry_64.S:245)
[  201.231117][   T70]  _printk (kernel/printk/printk.c:2504)
[  201.231121][   T70]  ? snapshot_read.cold (user.c:?)
[  201.231125][   T70]  ? netdev_name (./include/linux/netdevice.h:5709 (discriminator 1))
[  201.231129][   T70]  ? __netdev_printk (net/core/dev.c:13148 (discriminator 2))
[  201.231133][   T70]  netdev_info (net/core/dev.c:13195 (discriminator 3))
[  201.231136][   T70]  ? netdev_notice (net/core/dev.c:13194)
[  201.231141][   T70]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  201.231142][   T70]  ? __up_read (kernel/locking/rwsem.c:1397 (discriminator 1))
[  201.231145][   T70]  ? down_write_nested (kernel/locking/rwsem.c:1759)
[  201.231147][   T70]  ? 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)
[  201.231149][   T70]  netif_set_allmulti.cold (net/core/dev.c:9731 (discriminator 3))
[  201.231154][   T70]  dev_set_allmulti (net/core/dev_api.c:315)
[  201.231157][   T70]  del_nbp (net/bridge/br_if.c:253 net/bridge/br_if.c:341)
[  201.231161][   T70]  ? __up_write (kernel/locking/rwsem.c:1415)
[  201.231162][   T70]  ? __up_write (kernel/locking/rwsem.c:1422 (discriminator 1))
[  201.231166][   T70]  br_dev_delete (net/bridge/br_if.c:387)
[  201.231169][   T70]  br_net_exit_rtnl (net/bridge/br.c:414)
[  201.231173][   T70]  ops_undo_list (net/core/net_namespace.c:181 net/core/net_namespace.c:249)
[  201.231177][   T70]  ? lockdep_hardirqs_on (kernel/locking/lockdep.c:4488)
[  201.231180][   T70]  ? netns_install (./include/linux/ns_common.h:26)
[  201.231182][   T70]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554)
[  201.231185][   T70]  ? idr_destroy (lib/radix-tree.c:310 lib/radix-tree.c:674 lib/radix-tree.c:1563)
[  201.231190][   T70]  cleanup_net (net/core/net_namespace.c:706)
[  201.231193][   T70]  ? net_passive_dec (./include/linux/llist.h:241)
[  201.231197][   T70]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  201.231199][   T70]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  201.231202][   T70]  process_one_work (kernel/workqueue.c:3387)
[  201.231209][   T70]  ? __queue_delayed_work (kernel/workqueue.c:2622)
[  201.231212][   T70]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2))
[  201.231220][   T70]  worker_thread (kernel/workqueue.c:3470 kernel/workqueue.c:3551)
[  201.231225][   T70]  ? rescuer_thread (./include/linux/list.h:419 (discriminator 3))
[  201.231227][   T70]  ? __kthread_parkme (./include/linux/instrumented.h:82 ./include/asm-generic/bitops/instrumented-non-atomic.h:141 kernel/kthread.c:272)
[  201.231235][   T70]  ? rescuer_thread (./include/linux/list.h:419 (discriminator 3))
[  201.231238][   T70]  ? rescuer_thread (./include/linux/list.h:419 (discriminator 3))
[  201.231240][   T70]  kthread (kernel/kthread.c:436)
[  201.231242][   T70]  ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22))
[  201.231245][   T70]  ? kthread_affine_preferred (kernel/kthread.c:857)
[  201.231248][   T70]  ret_from_fork (arch/x86/kernel/process.c:158)
[  201.231251][   T70]  ? arch_exit_to_user_mode_prepare.isra.0 (arch/x86/entry/vdso/vma.c:80 (discriminator 1))
[  201.231254][   T70]  ? __switch_to (arch/x86/kernel/process_64.c:403 arch/x86/kernel/process_64.c:663)
[  201.231258][   T70]  ? kthread_affine_preferred (kernel/kthread.c:857)
[  201.231261][   T70]  ret_from_fork_asm (arch/x86/entry/entry_64.S:245)
| [  204.541312][ T6096] softirqs last disabled at (36924): __alloc_skb (./include/linux/bottom_half.h:20 (discriminator 2) net/core/skbuff.c:697 (discriminator 2))
| [  204.541315][ T6096] Preemption disabled at:
| [  204.541315][ T6096] vprintk_emit (kernel/printk/printk.c:2471)
| [  204.541324][ T6096] Tainted: [W]=WARN
[  204.541325][ T6096] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[  204.541326][ T6096] Call Trace:
[  204.541328][ T6096]  <TASK>
[  204.541329][ T6096]  dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120)
[  204.541335][ T6096]  ? vprintk_emit (kernel/printk/printk.c:2471)
[  204.541336][ T6096]  __might_resched.cold (kernel/sched/core.c:9234)
[  204.541341][ T6096]  ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3))
[  204.541345][ T6096]  ? __kmalloc_noprof (./include/linux/sched/mm.h:317 mm/slub.c:4636 mm/slub.c:4974 mm/slub.c:5413 mm/slub.c:5439)
[  204.541349][ T6096]  __kmalloc_noprof (./include/linux/sched/mm.h:322 (discriminator 2) mm/slub.c:4636 (discriminator 2) mm/slub.c:4974 (discriminator 2) mm/slub.c:5413 (discriminator 2) mm/slub.c:5439 (discriminator 2))
[  204.541351][ T6096]  ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[  204.541358][ T6096]  ? do_raw_spin_unlock (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:32 ./include/asm-generic/qspinlock.h:58 kernel/locking/spinlock_debug.c:101 kernel/locking/spinlock_debug.c:141)
[  204.541361][ T6096]  alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[  204.541365][ T6096]  put_chars (drivers/char/virtio_console.c:1176)
[  204.541367][ T6096]  ? __send_to_port (drivers/char/virtio_console.c:654)
[  204.541368][ T6096]  ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4116 (discriminator 3) kernel/rcu/tree.c:4108 (discriminator 3))
[  204.541372][ T6096]  ? validate_chain (kernel/locking/lockdep.c:3817 (discriminator 2) kernel/locking/lockdep.c:3837 (discriminator 2) kernel/locking/lockdep.c:3892 (discriminator 2))
[  204.541377][ T6096]  hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2))
[  204.541385][ T6096]  ? hvc_write (drivers/tty/hvc/hvc_console.c:501)
[  204.541388][ T6096]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  204.541390][ T6096]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  204.541394][ T6096]  console_emit_next_record (kernel/printk/printk.c:3183)
[  204.541398][ T6096]  ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20)
[  204.541400][ T6096]  ? console_flush_one_record (./include/linux/rcupdate.h:314 (discriminator 2) ./include/linux/srcu.h:439 (discriminator 2) kernel/printk/printk.c:291 (discriminator 2) kernel/printk/printk.c:3246 (discriminator 2))
[  204.541403][ T6096]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  204.541404][ T6096]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  204.541408][ T6096]  console_flush_one_record (kernel/printk/printk.c:3268)
[  204.541413][ T6096]  ? console_emit_next_record (kernel/printk/printk.c:3150)
[  204.541415][ T6096]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[  204.541420][ T6096]  console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420)
[  204.541423][ T6096]  ? console_flush_one_record (kernel/printk/printk.c:3316)
[  204.541425][ T6096]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  204.541426][ T6096]  ? lock_acquire (./include/linux/srcutree.h:374 ./include/linux/srcu.h:541 ./include/linux/srcu.h:645 ./include/trace/events/lock.h:23 ./include/trace/events/lock.h:23 kernel/locking/lockdep.c:5871)
[  204.541430][ T6096]  ? __down_trylock_console_sem (kernel/printk/printk.c:334)
[  204.541432][ T6096]  ? vprintk_emit (kernel/printk/printk.c:2478)
[  204.541434][ T6096]  vprintk_emit (kernel/printk/printk.c:2479)
[  204.541438][ T6096]  ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126))
[  204.541439][ T6096]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554)
[  204.541442][ T6096]  ? mark_held_locks (kernel/locking/lockdep.c:4341)
[  204.541446][ T6096]  _printk (kernel/printk/printk.c:2504)
[  204.541449][ T6096]  ? snapshot_read.cold (user.c:?)
[  204.541453][ T6096]  ? br_multicast_flood (??:?)
[  204.541456][ T6096]  ? do_setlink.isra.0 (net/core/rtnetlink.c:3273 (discriminator 1))
[  204.541457][ T6096]  ? rtnl_newlink (net/core/rtnetlink.c:4215)
[  204.541459][ T6096]  ? rtnetlink_rcv_msg (net/core/rtnetlink.c:7132)
[  204.541463][ T6096]  br_set_state (net/bridge/br_stp.c:57 (discriminator 2))
[  204.541467][ T6096]  br_init_port (net/bridge/br_stp_if.c:39)
[  204.541470][ T6096]  new_nbp (net/bridge/br_if.c:449)
[  204.541474][ T6096]  br_add_if (net/bridge/br_if.c:592)
[  204.541476][ T6096]  ? is_bpf_text_address (./include/linux/rcupdate.h:882 kernel/bpf/core.c:751)
[  204.541480][ T6096]  ? kernel_text_address (kernel/extable.c:125 kernel/extable.c:94)
[  204.541485][ T6096]  do_set_master (net/core/rtnetlink.c:3071)
[  204.541489][ T6096]  do_setlink.isra.0 (net/core/rtnetlink.c:3273 (discriminator 1))
[  204.541492][ T6096]  ? stack_trace_save (kernel/stacktrace.c:122 (discriminator 1))
[  204.541495][ T6096]  ? rtnl_link_get_size (net/core/rtnetlink.c:747)
[  204.541496][ T6096]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:388 kernel/rcu/update.c:380)
[  204.541499][ T6096]  ? stack_depot_save_flags (lib/stackdepot.c:609 (discriminator 2) lib/stackdepot.c:676 (discriminator 2))
[  204.541503][ T6096]  ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4116 (discriminator 3) kernel/rcu/tree.c:4108 (discriminator 3))
[  204.541504][ T6096]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380)
[  204.541506][ T6096]  ? validate_chain (kernel/locking/lockdep.c:3817 (discriminator 2) kernel/locking/lockdep.c:3837 (discriminator 2) kernel/locking/lockdep.c:3892 (discriminator 2))
[  204.541509][ T6096]  ? kasan_save_stack (mm/kasan/common.c:58)
[  204.541511][ T6096]  ? kasan_save_stack (mm/kasan/common.c:57)
[  204.541512][ T6096]  ? kasan_save_track (mm/kasan/common.c:78)
[  204.541514][ T6096]  ? __kasan_kmalloc (mm/kasan/common.c:398 mm/kasan/common.c:415)
[  204.541516][ T6096]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[  204.541518][ T6096]  ? snd_ac97_proc_read_main (sound/pci/ac97/ac97_proc.c:320)
[  204.541521][ T6096]  ? ___sys_sendmsg (net/socket.c:2758)
[  204.541524][ T6096]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2))
[  204.541526][ T6096]  ? rtnl_newlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:366 net/core/rtnetlink.c:4214)
[  204.541529][ T6096]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  204.541531][ T6096]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  204.541532][ T6096]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  204.541533][ T6096]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  204.541535][ T6096]  ? trace_contention_end (./include/trace/events/lock.h:121 (discriminator 22))
[  204.541537][ T6096]  ? __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)
[  204.541540][ T6096]  ? __mutex_lock (kernel/locking/mutex.c:656 (discriminator 1) kernel/locking/mutex.c:821 (discriminator 1))
[  204.541542][ T6096]  ? rtnl_newlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:366 net/core/rtnetlink.c:4214)
[  204.541545][ T6096]  ? ww_mutex_lock (kernel/locking/mutex.c:934)
[  204.541546][ T6096]  ? nla_get_range_signed (lib/nlattr.c:270)
[  204.541551][ T6096]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  204.541554][ T6096]  ? __rtnl_newlink (net/core/rtnetlink.c:4063)
[  204.541559][ T6096]  rtnl_newlink (net/core/rtnetlink.c:4215)
[  204.541564][ T6096]  ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558)
[  204.541566][ T6096]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[  204.541571][ T6096]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2))
[  204.541573][ T6096]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[  204.541575][ T6096]  ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558)
[  204.541577][ T6096]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554)
[  204.541580][ T6096]  ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558)
[  204.541582][ T6096]  rtnetlink_rcv_msg (net/core/rtnetlink.c:7132)
[  204.541586][ T6096]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[  204.541587][ T6096]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[  204.541591][ T6096]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2))
[  204.541593][ T6096]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[  204.541597][ T6096]  netlink_rcv_skb (net/netlink/af_netlink.c:2556)
[  204.541600][ T6096]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[  204.541603][ T6096]  ? netlink_ack (./include/linux/skbuff.h:2718)
[  204.541609][ T6096]  ? 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))
[  204.541611][ T6096]  ? 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))
[  204.541616][ T6096]  netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[  204.541620][ T6096]  ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[  204.541622][ T6096]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[  204.541626][ T6096]  netlink_sendmsg (net/netlink/af_netlink.c:1900)
[  204.541630][ T6096]  ? netlink_unicast (./include/net/net_namespace.h:422 (discriminator 7))
[  204.541634][ T6096]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554)
[  204.541636][ T6096]  ? __import_iovec (lib/iov_iter.c:1358 lib/iov_iter.c:1373)
[  204.541641][ T6096]  __sock_sendmsg (net/socket.c:800 (discriminator 4) net/socket.c:815 (discriminator 4))
[  204.541644][ T6096]  ____sys_sendmsg (net/socket.c:2713)
[  204.541646][ T6096]  ? copy_msghdr_from_user (net/socket.c:2650)
[  204.541649][ T6096]  ? sock_write_iter (net/socket.c:1269)
[  204.541650][ T6096]  ? move_addr_to_kernel (net/socket.c:258)
[  204.541658][ T6096]  ___sys_sendmsg (net/socket.c:2767)
[  204.541660][ T6096]  ? copy_msghdr_from_user (net/socket.c:2619)
[  204.541676][ T6096]  __sys_sendmsg (net/socket.c:2799)
[  204.541679][ T6096]  ? __sys_sendmsg_sock (net/socket.c:2780)
[  204.541685][ T6096]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  204.541688][ T6096]  do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84)
[  204.541691][ T6096]  ? exc_page_fault (arch/x86/mm/fault.c:1489 (discriminator 3) arch/x86/mm/fault.c:1536 (discriminator 3))
[  204.541694][ T6096]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[  204.541696][ T6096] RIP: 0033:0x7f0de3a9b54e
[  204.541700][ T6096] 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
[  204.541702][ T6096] RSP: 002b:00007ffc97436480 EFLAGS: 00000202 ORIG_RAX: 000000000000002e
[  204.541705][ T6096] RAX: ffffffffffffffda RBX: 0000000000000003 RCX: 00007f0de3a9b54e
[  204.541706][ T6096] RDX: 0000000000000000 RSI: 00007ffc97436530 RDI: 0000000000000005
[  204.541707][ T6096] RBP: 00007ffc97436490 R08: 0000000000000000 R09: 0000000000000000
[  204.541708][ T6096] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a916578
[  204.541709][ T6096] R13: 00000000004a1620 R14: 0000000000000000 R15: 00007ffc97436bf0
| [  208.521772][   T70] softirqs last disabled at (6544316): netlink_release (./include/net/sock.h:2138 net/netlink/af_netlink.c:727)
| [  208.521775][   T70] Preemption disabled at:
| [  208.521775][   T70] vprintk_emit (kernel/printk/printk.c:2471)
| [  208.521784][   T70] Tainted: [W]=WARN
[  208.521785][   T70] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[  208.521787][   T70] Workqueue: netns cleanup_net
[  208.521790][   T70] Call Trace:
[  208.521791][   T70]  <TASK>
[  208.521793][   T70]  dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120)
[  208.521799][   T70]  ? vprintk_emit (kernel/printk/printk.c:2471)
[  208.521801][   T70]  __might_resched.cold (kernel/sched/core.c:9234)
[  208.521806][   T70]  ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3))
[  208.521810][   T70]  ? __kmalloc_noprof (./include/linux/sched/mm.h:317 mm/slub.c:4636 mm/slub.c:4974 mm/slub.c:5413 mm/slub.c:5439)
[  208.521814][   T70]  __kmalloc_noprof (./include/linux/sched/mm.h:322 (discriminator 2) mm/slub.c:4636 (discriminator 2) mm/slub.c:4974 (discriminator 2) mm/slub.c:5413 (discriminator 2) mm/slub.c:5439 (discriminator 2))
[  208.521816][   T70]  ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[  208.521823][   T70]  ? do_raw_spin_unlock (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:32 ./include/asm-generic/qspinlock.h:58 kernel/locking/spinlock_debug.c:101 kernel/locking/spinlock_debug.c:141)
[  208.521826][   T70]  alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[  208.521830][   T70]  put_chars (drivers/char/virtio_console.c:1176)
[  208.521832][   T70]  ? __send_to_port (drivers/char/virtio_console.c:654)
[  208.521833][   T70]  ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4116 (discriminator 3) kernel/rcu/tree.c:4108 (discriminator 3))
[  208.521837][   T70]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380)
[  208.521840][   T70]  ? validate_chain (kernel/locking/lockdep.c:3817 (discriminator 2) kernel/locking/lockdep.c:3837 (discriminator 2) kernel/locking/lockdep.c:3892 (discriminator 2))
[  208.521845][   T70]  hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2))
[  208.521849][   T70]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[  208.521854][   T70]  ? hvc_write (drivers/tty/hvc/hvc_console.c:501)
[  208.521857][   T70]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  208.521862][   T70]  console_emit_next_record (kernel/printk/printk.c:3183)
[  208.521866][   T70]  ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20)
[  208.521868][   T70]  ? console_flush_one_record (./include/linux/rcupdate.h:314 (discriminator 2) ./include/linux/srcu.h:439 (discriminator 2) kernel/printk/printk.c:291 (discriminator 2) kernel/printk/printk.c:3246 (discriminator 2))
[  208.521871][   T70]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  208.521873][   T70]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  208.521877][   T70]  console_flush_one_record (kernel/printk/printk.c:3268)
[  208.521881][   T70]  ? console_emit_next_record (kernel/printk/printk.c:3150)
[  208.521883][   T70]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[  208.521889][   T70]  console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420)
[  208.521892][   T70]  ? console_flush_one_record (kernel/printk/printk.c:3316)
[  208.521893][   T70]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  208.521895][   T70]  ? 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)
[  208.521899][   T70]  ? __down_trylock_console_sem (kernel/printk/printk.c:334)
[  208.521901][   T70]  ? vprintk_emit (kernel/printk/printk.c:2478)
[  208.521903][   T70]  vprintk_emit (kernel/printk/printk.c:2479)
[  208.521907][   T70]  ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126))
[  208.521908][   T70]  ? cleanup_net (net/core/net_namespace.c:706)
[  208.521910][   T70]  ? worker_thread (kernel/workqueue.c:3470 kernel/workqueue.c:3551)
[  208.521912][   T70]  ? kthread (kernel/kthread.c:436)
[  208.521914][   T70]  ? ret_from_fork (arch/x86/kernel/process.c:158)
[  208.521917][   T70]  ? ret_from_fork_asm (arch/x86/entry/entry_64.S:245)
[  208.521921][   T70]  _printk (kernel/printk/printk.c:2504)
[  208.521925][   T70]  ? snapshot_read.cold (user.c:?)
[  208.521929][   T70]  ? netdev_name (./include/linux/netdevice.h:5709 (discriminator 1))
[  208.521933][   T70]  ? __netdev_printk (net/core/dev.c:13148 (discriminator 2))
[  208.521937][   T70]  netdev_info (net/core/dev.c:13195 (discriminator 3))
[  208.521940][   T70]  ? netdev_notice (net/core/dev.c:13194)
[  208.521944][   T70]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  208.521946][   T70]  ? __up_read (kernel/locking/rwsem.c:1397 (discriminator 1))
[  208.521949][   T70]  ? down_write_nested (kernel/locking/rwsem.c:1759)
[  208.521951][   T70]  ? 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)
[  208.521953][   T70]  netif_set_allmulti.cold (net/core/dev.c:9731 (discriminator 3))
[  208.521957][   T70]  dev_set_allmulti (net/core/dev_api.c:315)
[  208.521961][   T70]  del_nbp (net/bridge/br_if.c:253 net/bridge/br_if.c:341)
[  208.521964][   T70]  ? __up_write (kernel/locking/rwsem.c:1415)
[  208.521966][   T70]  ? __up_write (kernel/locking/rwsem.c:1422 (discriminator 1))
[  208.521969][   T70]  br_dev_delete (net/bridge/br_if.c:387)
[  208.521973][   T70]  br_net_exit_rtnl (net/bridge/br.c:414)
[  208.521976][   T70]  ops_undo_list (net/core/net_namespace.c:181 net/core/net_namespace.c:249)
[  208.521980][   T70]  ? lockdep_hardirqs_on (kernel/locking/lockdep.c:4488)
[  208.521983][   T70]  ? netns_install (./include/linux/ns_common.h:26)
[  208.521985][   T70]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554)
[  208.521988][   T70]  ? idr_destroy (lib/radix-tree.c:310 lib/radix-tree.c:674 lib/radix-tree.c:1563)
[  208.521993][   T70]  cleanup_net (net/core/net_namespace.c:706)
[  208.521996][   T70]  ? net_passive_dec (./include/linux/llist.h:241)
[  208.522000][   T70]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  208.522002][   T70]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  208.522005][   T70]  process_one_work (kernel/workqueue.c:3387)
[  208.522012][   T70]  ? __queue_delayed_work (kernel/workqueue.c:2622)
[  208.522015][   T70]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2))
[  208.522023][   T70]  worker_thread (kernel/workqueue.c:3470 kernel/workqueue.c:3551)
[  208.522027][   T70]  ? rescuer_thread (./include/linux/list.h:419 (discriminator 3))
[  208.522029][   T70]  ? __kthread_parkme (./include/linux/instrumented.h:82 ./include/asm-generic/bitops/instrumented-non-atomic.h:141 kernel/kthread.c:272)
[  208.522032][   T70]  ? rescuer_thread (./include/linux/list.h:419 (discriminator 3))
[  208.522035][   T70]  ? rescuer_thread (./include/linux/list.h:419 (discriminator 3))
[  208.522037][   T70]  kthread (kernel/kthread.c:436)
[  208.522038][   T70]  ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22))
[  208.522042][   T70]  ? kthread_affine_preferred (kernel/kthread.c:857)
[  208.522045][   T70]  ret_from_fork (arch/x86/kernel/process.c:158)
[  208.522048][   T70]  ? arch_exit_to_user_mode_prepare.isra.0 (arch/x86/entry/vdso/vma.c:80 (discriminator 1))
[  208.522051][   T70]  ? __switch_to (arch/x86/kernel/process_64.c:403 arch/x86/kernel/process_64.c:663)
[  208.522054][   T70]  ? kthread_affine_preferred (kernel/kthread.c:857)
[  208.522057][   T70]  ret_from_fork_asm (arch/x86/entry/entry_64.S:245)
| [  212.010921][ T6310] softirqs last disabled at (43046): __alloc_skb (./include/linux/bottom_half.h:20 (discriminator 2) net/core/skbuff.c:697 (discriminator 2))
| [  212.010924][ T6310] Preemption disabled at:
| [  212.010924][ T6310] vprintk_emit (kernel/printk/printk.c:2471)
| [  212.010933][ T6310] Tainted: [W]=WARN
[  212.010933][ T6310] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[  212.010935][ T6310] Call Trace:
[  212.010937][ T6310]  <TASK>
[  212.010938][ T6310]  dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120)
[  212.010944][ T6310]  ? vprintk_emit (kernel/printk/printk.c:2471)
[  212.010946][ T6310]  __might_resched.cold (kernel/sched/core.c:9234)
[  212.010951][ T6310]  ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3))
[  212.010955][ T6310]  ? __kmalloc_noprof (./include/linux/sched/mm.h:317 mm/slub.c:4636 mm/slub.c:4974 mm/slub.c:5413 mm/slub.c:5439)
[  212.010959][ T6310]  __kmalloc_noprof (./include/linux/sched/mm.h:322 (discriminator 2) mm/slub.c:4636 (discriminator 2) mm/slub.c:4974 (discriminator 2) mm/slub.c:5413 (discriminator 2) mm/slub.c:5439 (discriminator 2))
[  212.010961][ T6310]  ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[  212.010968][ T6310]  ? do_raw_spin_unlock (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:32 ./include/asm-generic/qspinlock.h:58 kernel/locking/spinlock_debug.c:101 kernel/locking/spinlock_debug.c:141)
[  212.010971][ T6310]  alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[  212.010974][ T6310]  put_chars (drivers/char/virtio_console.c:1176)
[  212.010977][ T6310]  ? __send_to_port (drivers/char/virtio_console.c:654)
[  212.010978][ T6310]  ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4116 (discriminator 3) kernel/rcu/tree.c:4108 (discriminator 3))
[  212.010981][ T6310]  ? validate_chain (kernel/locking/lockdep.c:3817 (discriminator 2) kernel/locking/lockdep.c:3837 (discriminator 2) kernel/locking/lockdep.c:3892 (discriminator 2))
[  212.010987][ T6310]  hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2))
[  212.010995][ T6310]  ? hvc_write (drivers/tty/hvc/hvc_console.c:501)
[  212.010997][ T6310]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  212.010999][ T6310]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  212.011003][ T6310]  console_emit_next_record (kernel/printk/printk.c:3183)
[  212.011007][ T6310]  ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20)
[  212.011009][ T6310]  ? console_flush_one_record (./include/linux/rcupdate.h:314 (discriminator 2) ./include/linux/srcu.h:439 (discriminator 2) kernel/printk/printk.c:291 (discriminator 2) kernel/printk/printk.c:3246 (discriminator 2))
[  212.011012][ T6310]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  212.011014][ T6310]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  212.011018][ T6310]  console_flush_one_record (kernel/printk/printk.c:3268)
[  212.011022][ T6310]  ? console_emit_next_record (kernel/printk/printk.c:3150)
[  212.011024][ T6310]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[  212.011029][ T6310]  console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420)
[  212.011032][ T6310]  ? console_flush_one_record (kernel/printk/printk.c:3316)
[  212.011034][ T6310]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  212.011036][ T6310]  ? 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)
[  212.011040][ T6310]  ? __down_trylock_console_sem (kernel/printk/printk.c:334)
[  212.011041][ T6310]  ? vprintk_emit (kernel/printk/printk.c:2478)
[  212.011044][ T6310]  vprintk_emit (kernel/printk/printk.c:2479)
[  212.011047][ T6310]  ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126))
[  212.011049][ T6310]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554)
[  212.011052][ T6310]  ? mark_held_locks (kernel/locking/lockdep.c:4341)
[  212.011055][ T6310]  _printk (kernel/printk/printk.c:2504)
[  212.011059][ T6310]  ? snapshot_read.cold (user.c:?)
[  212.011062][ T6310]  ? br_multicast_flood (??:?)
[  212.011066][ T6310]  ? do_setlink.isra.0 (net/core/rtnetlink.c:3273 (discriminator 1))
[  212.011067][ T6310]  ? rtnl_newlink (net/core/rtnetlink.c:4215)
[  212.011068][ T6310]  ? rtnetlink_rcv_msg (net/core/rtnetlink.c:7132)
[  212.011072][ T6310]  br_set_state (net/bridge/br_stp.c:57 (discriminator 2))
[  212.011077][ T6310]  br_init_port (net/bridge/br_stp_if.c:39)
[  212.011079][ T6310]  new_nbp (net/bridge/br_if.c:449)
[  212.011083][ T6310]  br_add_if (net/bridge/br_if.c:592)
[  212.011085][ T6310]  ? is_bpf_text_address (./include/linux/rcupdate.h:882 kernel/bpf/core.c:751)
[  212.011089][ T6310]  ? kernel_text_address (kernel/extable.c:125 kernel/extable.c:94)
[  212.011094][ T6310]  do_set_master (net/core/rtnetlink.c:3071)
[  212.011098][ T6310]  do_setlink.isra.0 (net/core/rtnetlink.c:3273 (discriminator 1))
[  212.011101][ T6310]  ? stack_trace_save (kernel/stacktrace.c:122 (discriminator 1))
[  212.011104][ T6310]  ? rtnl_link_get_size (net/core/rtnetlink.c:747)
[  212.011106][ T6310]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:388 kernel/rcu/update.c:380)
[  212.011108][ T6310]  ? stack_depot_save_flags (lib/stackdepot.c:609 (discriminator 2) lib/stackdepot.c:676 (discriminator 2))
[  212.011112][ T6310]  ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4116 (discriminator 3) kernel/rcu/tree.c:4108 (discriminator 3))
[  212.011114][ T6310]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380)
[  212.011116][ T6310]  ? validate_chain (kernel/locking/lockdep.c:3817 (discriminator 2) kernel/locking/lockdep.c:3837 (discriminator 2) kernel/locking/lockdep.c:3892 (discriminator 2))
[  212.011118][ T6310]  ? kasan_save_stack (mm/kasan/common.c:58)
[  212.011120][ T6310]  ? kasan_save_stack (mm/kasan/common.c:57)
[  212.011122][ T6310]  ? kasan_save_track (mm/kasan/common.c:78)
[  212.011123][ T6310]  ? __kasan_kmalloc (mm/kasan/common.c:398 mm/kasan/common.c:415)
[  212.011125][ T6310]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[  212.011127][ T6310]  ? snd_ac97_proc_read_main (sound/pci/ac97/ac97_proc.c:320)
[  212.011130][ T6310]  ? ___sys_sendmsg (net/socket.c:2758)
[  212.011134][ T6310]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2))
[  212.011136][ T6310]  ? rtnl_newlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:366 net/core/rtnetlink.c:4214)
[  212.011138][ T6310]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  212.011140][ T6310]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  212.011142][ T6310]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  212.011143][ T6310]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  212.011144][ T6310]  ? trace_contention_end (./include/trace/events/lock.h:121 (discriminator 22))
[  212.011146][ T6310]  ? __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)
[  212.011149][ T6310]  ? __mutex_lock (kernel/locking/mutex.c:656 (discriminator 1) kernel/locking/mutex.c:821 (discriminator 1))
[  212.011151][ T6310]  ? rtnl_newlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:366 net/core/rtnetlink.c:4214)
[  212.011154][ T6310]  ? ww_mutex_lock (kernel/locking/mutex.c:934)
[  212.011156][ T6310]  ? nla_get_range_signed (lib/nlattr.c:270)
[  212.011160][ T6310]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  212.011163][ T6310]  ? __rtnl_newlink (net/core/rtnetlink.c:4063)
[  212.011168][ T6310]  rtnl_newlink (net/core/rtnetlink.c:4215)
[  212.011173][ T6310]  ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558)
[  212.011175][ T6310]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[  212.011180][ T6310]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2))
[  212.011182][ T6310]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[  212.011184][ T6310]  ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558)
[  212.011186][ T6310]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554)
[  212.011189][ T6310]  ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558)
[  212.011192][ T6310]  rtnetlink_rcv_msg (net/core/rtnetlink.c:7132)
[  212.011195][ T6310]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[  212.011196][ T6310]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[  212.011200][ T6310]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2))
[  212.011202][ T6310]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[  212.011206][ T6310]  netlink_rcv_skb (net/netlink/af_netlink.c:2556)
[  212.011209][ T6310]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[  212.011212][ T6310]  ? netlink_ack (./include/linux/skbuff.h:2718)
[  212.011218][ T6310]  ? 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))
[  212.011221][ T6310]  ? 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))
[  212.011225][ T6310]  netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[  212.011229][ T6310]  ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[  212.011232][ T6310]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[  212.011236][ T6310]  netlink_sendmsg (net/netlink/af_netlink.c:1900)
[  212.011240][ T6310]  ? netlink_unicast (./include/net/net_namespace.h:422 (discriminator 7))
[  212.011244][ T6310]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554)
[  212.011245][ T6310]  ? __import_iovec (lib/iov_iter.c:1358 lib/iov_iter.c:1373)
[  212.011255][ T6310]  __sock_sendmsg (net/socket.c:800 (discriminator 4) net/socket.c:815 (discriminator 4))
[  212.011258][ T6310]  ____sys_sendmsg (net/socket.c:2713)
[  212.011260][ T6310]  ? copy_msghdr_from_user (net/socket.c:2650)
[  212.011262][ T6310]  ? sock_write_iter (net/socket.c:1269)
[  212.011264][ T6310]  ? move_addr_to_kernel (net/socket.c:258)
[  212.011271][ T6310]  ___sys_sendmsg (net/socket.c:2767)
[  212.011274][ T6310]  ? copy_msghdr_from_user (net/socket.c:2619)
[  212.011289][ T6310]  __sys_sendmsg (net/socket.c:2799)
[  212.011292][ T6310]  ? __sys_sendmsg_sock (net/socket.c:2780)
[  212.011298][ T6310]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  212.011301][ T6310]  do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84)
[  212.011304][ T6310]  ? exc_page_fault (arch/x86/mm/fault.c:1489 (discriminator 3) arch/x86/mm/fault.c:1536 (discriminator 3))
[  212.011307][ T6310]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[  212.011309][ T6310] RIP: 0033:0x7fb32897554e
[  212.011312][ T6310] 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
[  212.011314][ T6310] RSP: 002b:00007ffd7cc453e0 EFLAGS: 00000202 ORIG_RAX: 000000000000002e
[  212.011317][ T6310] RAX: ffffffffffffffda RBX: 0000000000000003 RCX: 00007fb32897554e
[  212.011318][ T6310] RDX: 0000000000000000 RSI: 00007ffd7cc45490 RDI: 0000000000000005
[  212.011319][ T6310] RBP: 00007ffd7cc453f0 R08: 0000000000000000 R09: 0000000000000000
[  212.011320][ T6310] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a916580
[  212.011321][ T6310] R13: 00000000004a1620 R14: 0000000000000000 R15: 00007ffd7cc45b50
| [  216.008291][   T70] softirqs last disabled at (6777814): netlink_release (./include/net/sock.h:2138 net/netlink/af_netlink.c:727)
| [  216.008294][   T70] Preemption disabled at:
| [  216.008294][   T70] vprintk_emit (kernel/printk/printk.c:2471)
| [  216.008302][   T70] Tainted: [W]=WARN
[  216.008303][   T70] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[  216.008305][   T70] Workqueue: netns cleanup_net
[  216.008308][   T70] Call Trace:
[  216.008310][   T70]  <TASK>
[  216.008311][   T70]  dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120)
[  216.008318][   T70]  ? vprintk_emit (kernel/printk/printk.c:2471)
[  216.008319][   T70]  __might_resched.cold (kernel/sched/core.c:9234)
[  216.008324][   T70]  ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3))
[  216.008328][   T70]  ? __kmalloc_noprof (./include/linux/sched/mm.h:317 mm/slub.c:4636 mm/slub.c:4974 mm/slub.c:5413 mm/slub.c:5439)
[  216.008332][   T70]  __kmalloc_noprof (./include/linux/sched/mm.h:322 (discriminator 2) mm/slub.c:4636 (discriminator 2) mm/slub.c:4974 (discriminator 2) mm/slub.c:5413 (discriminator 2) mm/slub.c:5439 (discriminator 2))
[  216.008334][   T70]  ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[  216.008341][   T70]  ? do_raw_spin_unlock (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:32 ./include/asm-generic/qspinlock.h:58 kernel/locking/spinlock_debug.c:101 kernel/locking/spinlock_debug.c:141)
[  216.008343][   T70]  alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[  216.008347][   T70]  put_chars (drivers/char/virtio_console.c:1176)
[  216.008350][   T70]  ? __send_to_port (drivers/char/virtio_console.c:654)
[  216.008351][   T70]  ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4116 (discriminator 3) kernel/rcu/tree.c:4108 (discriminator 3))
[  216.008354][   T70]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380)
[  216.008357][   T70]  ? validate_chain (kernel/locking/lockdep.c:3817 (discriminator 2) kernel/locking/lockdep.c:3837 (discriminator 2) kernel/locking/lockdep.c:3892 (discriminator 2))
[  216.008362][   T70]  hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2))
[  216.008366][   T70]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[  216.008371][   T70]  ? hvc_write (drivers/tty/hvc/hvc_console.c:501)
[  216.008374][   T70]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  216.008379][   T70]  console_emit_next_record (kernel/printk/printk.c:3183)
[  216.008383][   T70]  ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20)
[  216.008385][   T70]  ? console_flush_one_record (./include/linux/rcupdate.h:314 (discriminator 2) ./include/linux/srcu.h:439 (discriminator 2) kernel/printk/printk.c:291 (discriminator 2) kernel/printk/printk.c:3246 (discriminator 2))
[  216.008389][   T70]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  216.008390][   T70]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  216.008394][   T70]  console_flush_one_record (kernel/printk/printk.c:3268)
[  216.008399][   T70]  ? console_emit_next_record (kernel/printk/printk.c:3150)
[  216.008401][   T70]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[  216.008406][   T70]  console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420)
[  216.008409][   T70]  ? console_flush_one_record (kernel/printk/printk.c:3316)
[  216.008411][   T70]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  216.008412][   T70]  ? 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)
[  216.008416][   T70]  ? __down_trylock_console_sem (kernel/printk/printk.c:334)
[  216.008418][   T70]  ? vprintk_emit (kernel/printk/printk.c:2478)
[  216.008421][   T70]  vprintk_emit (kernel/printk/printk.c:2479)
[  216.008424][   T70]  ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126))
[  216.008425][   T70]  ? cleanup_net (net/core/net_namespace.c:706)
[  216.008427][   T70]  ? worker_thread (kernel/workqueue.c:3470 kernel/workqueue.c:3551)
[  216.008429][   T70]  ? kthread (kernel/kthread.c:436)
[  216.008431][   T70]  ? ret_from_fork (arch/x86/kernel/process.c:158)
[  216.008434][   T70]  ? ret_from_fork_asm (arch/x86/entry/entry_64.S:245)
[  216.008439][   T70]  _printk (kernel/printk/printk.c:2504)
[  216.008442][   T70]  ? snapshot_read.cold (user.c:?)
[  216.008447][   T70]  ? netdev_name (./include/linux/netdevice.h:5709 (discriminator 1))
[  216.008451][   T70]  ? __netdev_printk (net/core/dev.c:13148 (discriminator 2))
[  216.008455][   T70]  netdev_info (net/core/dev.c:13195 (discriminator 3))
[  216.008457][   T70]  ? netdev_notice (net/core/dev.c:13194)
[  216.008462][   T70]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  216.008464][   T70]  ? __up_read (kernel/locking/rwsem.c:1397 (discriminator 1))
[  216.008466][   T70]  ? down_write_nested (kernel/locking/rwsem.c:1759)
[  216.008468][   T70]  ? 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)
[  216.008471][   T70]  netif_set_allmulti.cold (net/core/dev.c:9731 (discriminator 3))
[  216.008475][   T70]  dev_set_allmulti (net/core/dev_api.c:315)
[  216.008479][   T70]  del_nbp (net/bridge/br_if.c:253 net/bridge/br_if.c:341)
[  216.008482][   T70]  ? __up_write (kernel/locking/rwsem.c:1415)
[  216.008484][   T70]  ? __up_write (kernel/locking/rwsem.c:1422 (discriminator 1))
[  216.008487][   T70]  br_dev_delete (net/bridge/br_if.c:387)
[  216.008491][   T70]  br_net_exit_rtnl (net/bridge/br.c:414)
[  216.008495][   T70]  ops_undo_list (net/core/net_namespace.c:181 net/core/net_namespace.c:249)
[  216.008498][   T70]  ? lockdep_hardirqs_on (kernel/locking/lockdep.c:4488)
[  216.008502][   T70]  ? netns_install (./include/linux/ns_common.h:26)
[  216.008503][   T70]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554)
[  216.008507][   T70]  ? idr_destroy (lib/radix-tree.c:310 lib/radix-tree.c:674 lib/radix-tree.c:1563)
[  216.008512][   T70]  cleanup_net (net/core/net_namespace.c:706)
[  216.008515][   T70]  ? net_passive_dec (./include/linux/llist.h:241)
[  216.008519][   T70]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  216.008521][   T70]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  216.008524][   T70]  process_one_work (kernel/workqueue.c:3387)
[  216.008531][   T70]  ? __queue_delayed_work (kernel/workqueue.c:2622)
[  216.008534][   T70]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2))
[  216.008542][   T70]  worker_thread (kernel/workqueue.c:3470 kernel/workqueue.c:3551)
[  216.008546][   T70]  ? rescuer_thread (./include/linux/list.h:419 (discriminator 3))
[  216.008548][   T70]  ? __kthread_parkme (./include/linux/instrumented.h:82 ./include/asm-generic/bitops/instrumented-non-atomic.h:141 kernel/kthread.c:272)
[  216.008551][   T70]  ? rescuer_thread (./include/linux/list.h:419 (discriminator 3))
[  216.008554][   T70]  ? rescuer_thread (./include/linux/list.h:419 (discriminator 3))
[  216.008556][   T70]  kthread (kernel/kthread.c:436)
[  216.008558][   T70]  ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22))
[  216.008561][   T70]  ? kthread_affine_preferred (kernel/kthread.c:857)
[  216.008564][   T70]  ret_from_fork (arch/x86/kernel/process.c:158)
[  216.008567][   T70]  ? arch_exit_to_user_mode_prepare.isra.0 (arch/x86/entry/vdso/vma.c:80 (discriminator 1))
[  216.008570][   T70]  ? __switch_to (arch/x86/kernel/process_64.c:403 arch/x86/kernel/process_64.c:663)
[  216.008574][   T70]  ? kthread_affine_preferred (kernel/kthread.c:857)
[  216.008576][   T70]  ret_from_fork_asm (arch/x86/entry/entry_64.S:245)
| [  219.330206][ T6512] softirqs last disabled at (44950): __alloc_skb (./include/linux/bottom_half.h:20 (discriminator 2) net/core/skbuff.c:697 (discriminator 2))
| [  219.330208][ T6512] Preemption disabled at:
| [  219.330209][ T6512] vprintk_emit (kernel/printk/printk.c:2471)
| [  219.330217][ T6512] Tainted: [W]=WARN
[  219.330218][ T6512] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[  219.330220][ T6512] Call Trace:
[  219.330221][ T6512]  <TASK>
[  219.330223][ T6512]  dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120)
[  219.330229][ T6512]  ? vprintk_emit (kernel/printk/printk.c:2471)
[  219.330230][ T6512]  __might_resched.cold (kernel/sched/core.c:9234)
[  219.330235][ T6512]  ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3))
[  219.330239][ T6512]  ? __kmalloc_noprof (./include/linux/sched/mm.h:317 mm/slub.c:4636 mm/slub.c:4974 mm/slub.c:5413 mm/slub.c:5439)
[  219.330244][ T6512]  __kmalloc_noprof (./include/linux/sched/mm.h:322 (discriminator 2) mm/slub.c:4636 (discriminator 2) mm/slub.c:4974 (discriminator 2) mm/slub.c:5413 (discriminator 2) mm/slub.c:5439 (discriminator 2))
[  219.330246][ T6512]  ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[  219.330252][ T6512]  ? do_raw_spin_unlock (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:32 ./include/asm-generic/qspinlock.h:58 kernel/locking/spinlock_debug.c:101 kernel/locking/spinlock_debug.c:141)
[  219.330255][ T6512]  alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[  219.330263][ T6512]  put_chars (drivers/char/virtio_console.c:1176)
[  219.330265][ T6512]  ? __send_to_port (drivers/char/virtio_console.c:654)
[  219.330267][ T6512]  ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4116 (discriminator 3) kernel/rcu/tree.c:4108 (discriminator 3))
[  219.330270][ T6512]  ? validate_chain (kernel/locking/lockdep.c:3817 (discriminator 2) kernel/locking/lockdep.c:3837 (discriminator 2) kernel/locking/lockdep.c:3892 (discriminator 2))
[  219.330275][ T6512]  hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2))
[  219.330283][ T6512]  ? hvc_write (drivers/tty/hvc/hvc_console.c:501)
[  219.330286][ T6512]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  219.330288][ T6512]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  219.330291][ T6512]  console_emit_next_record (kernel/printk/printk.c:3183)
[  219.330296][ T6512]  ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20)
[  219.330297][ T6512]  ? console_flush_one_record (./include/linux/rcupdate.h:314 (discriminator 2) ./include/linux/srcu.h:439 (discriminator 2) kernel/printk/printk.c:291 (discriminator 2) kernel/printk/printk.c:3246 (discriminator 2))
[  219.330301][ T6512]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  219.330302][ T6512]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  219.330306][ T6512]  console_flush_one_record (kernel/printk/printk.c:3268)
[  219.330310][ T6512]  ? console_emit_next_record (kernel/printk/printk.c:3150)
[  219.330312][ T6512]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[  219.330317][ T6512]  console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420)
[  219.330320][ T6512]  ? console_flush_one_record (kernel/printk/printk.c:3316)
[  219.330322][ T6512]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  219.330324][ T6512]  ? 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)
[  219.330328][ T6512]  ? __down_trylock_console_sem (kernel/printk/printk.c:334)
[  219.330329][ T6512]  ? vprintk_emit (kernel/printk/printk.c:2478)
[  219.330332][ T6512]  vprintk_emit (kernel/printk/printk.c:2479)
[  219.330335][ T6512]  ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126))
[  219.330337][ T6512]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554)
[  219.330340][ T6512]  ? mark_held_locks (kernel/locking/lockdep.c:4341)
[  219.330343][ T6512]  _printk (kernel/printk/printk.c:2504)
[  219.330347][ T6512]  ? snapshot_read.cold (user.c:?)
[  219.330350][ T6512]  ? br_multicast_flood (??:?)
[  219.330354][ T6512]  ? do_setlink.isra.0 (net/core/rtnetlink.c:3273 (discriminator 1))
[  219.330355][ T6512]  ? rtnl_newlink (net/core/rtnetlink.c:4215)
[  219.330356][ T6512]  ? rtnetlink_rcv_msg (net/core/rtnetlink.c:7132)
[  219.330361][ T6512]  br_set_state (net/bridge/br_stp.c:57 (discriminator 2))
[  219.330365][ T6512]  br_init_port (net/bridge/br_stp_if.c:39)
[  219.330368][ T6512]  new_nbp (net/bridge/br_if.c:449)
[  219.330371][ T6512]  br_add_if (net/bridge/br_if.c:592)
[  219.330374][ T6512]  ? is_bpf_text_address (./include/linux/rcupdate.h:882 kernel/bpf/core.c:751)
[  219.330377][ T6512]  ? kernel_text_address (kernel/extable.c:125 kernel/extable.c:94)
[  219.330383][ T6512]  do_set_master (net/core/rtnetlink.c:3071)
[  219.330386][ T6512]  do_setlink.isra.0 (net/core/rtnetlink.c:3273 (discriminator 1))
[  219.330389][ T6512]  ? stack_trace_save (kernel/stacktrace.c:122 (discriminator 1))
[  219.330393][ T6512]  ? rtnl_link_get_size (net/core/rtnetlink.c:747)
[  219.330394][ T6512]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:388 kernel/rcu/update.c:380)
[  219.330397][ T6512]  ? stack_depot_save_flags (lib/stackdepot.c:609 (discriminator 2) lib/stackdepot.c:676 (discriminator 2))
[  219.330401][ T6512]  ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4116 (discriminator 3) kernel/rcu/tree.c:4108 (discriminator 3))
[  219.330402][ T6512]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380)
[  219.330404][ T6512]  ? validate_chain (kernel/locking/lockdep.c:3817 (discriminator 2) kernel/locking/lockdep.c:3837 (discriminator 2) kernel/locking/lockdep.c:3892 (discriminator 2))
[  219.330407][ T6512]  ? kasan_save_stack (mm/kasan/common.c:58)
[  219.330409][ T6512]  ? kasan_save_stack (mm/kasan/common.c:57)
[  219.330411][ T6512]  ? kasan_save_track (mm/kasan/common.c:78)
[  219.330412][ T6512]  ? __kasan_kmalloc (mm/kasan/common.c:398 mm/kasan/common.c:415)
[  219.330414][ T6512]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[  219.330416][ T6512]  ? snd_ac97_proc_read_main (sound/pci/ac97/ac97_proc.c:320)
[  219.330419][ T6512]  ? ___sys_sendmsg (net/socket.c:2758)
[  219.330423][ T6512]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2))
[  219.330425][ T6512]  ? rtnl_newlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:366 net/core/rtnetlink.c:4214)
[  219.330427][ T6512]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  219.330429][ T6512]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  219.330431][ T6512]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  219.330432][ T6512]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  219.330433][ T6512]  ? trace_contention_end (./include/trace/events/lock.h:121 (discriminator 22))
[  219.330436][ T6512]  ? __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)
[  219.330438][ T6512]  ? __mutex_lock (kernel/locking/mutex.c:656 (discriminator 1) kernel/locking/mutex.c:821 (discriminator 1))
[  219.330440][ T6512]  ? rtnl_newlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:366 net/core/rtnetlink.c:4214)
[  219.330443][ T6512]  ? ww_mutex_lock (kernel/locking/mutex.c:934)
[  219.330444][ T6512]  ? nla_get_range_signed (lib/nlattr.c:270)
[  219.330449][ T6512]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  219.330451][ T6512]  ? __rtnl_newlink (net/core/rtnetlink.c:4063)
[  219.330456][ T6512]  rtnl_newlink (net/core/rtnetlink.c:4215)
[  219.330462][ T6512]  ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558)
[  219.330463][ T6512]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[  219.330468][ T6512]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2))
[  219.330470][ T6512]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[  219.330472][ T6512]  ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558)
[  219.330474][ T6512]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554)
[  219.330478][ T6512]  ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558)
[  219.330480][ T6512]  rtnetlink_rcv_msg (net/core/rtnetlink.c:7132)
[  219.330483][ T6512]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[  219.330484][ T6512]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[  219.330488][ T6512]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2))
[  219.330490][ T6512]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[  219.330494][ T6512]  netlink_rcv_skb (net/netlink/af_netlink.c:2556)
[  219.330497][ T6512]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[  219.330499][ T6512]  ? netlink_ack (./include/linux/skbuff.h:2718)
[  219.330506][ T6512]  ? 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))
[  219.330508][ T6512]  ? 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))
[  219.330512][ T6512]  netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[  219.330516][ T6512]  ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[  219.330519][ T6512]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[  219.330523][ T6512]  netlink_sendmsg (net/netlink/af_netlink.c:1900)
[  219.330527][ T6512]  ? netlink_unicast (./include/net/net_namespace.h:422 (discriminator 7))
[  219.330531][ T6512]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554)
[  219.330532][ T6512]  ? __import_iovec (lib/iov_iter.c:1358 lib/iov_iter.c:1373)
[  219.330538][ T6512]  __sock_sendmsg (net/socket.c:800 (discriminator 4) net/socket.c:815 (discriminator 4))
[  219.330540][ T6512]  ____sys_sendmsg (net/socket.c:2713)
[  219.330543][ T6512]  ? copy_msghdr_from_user (net/socket.c:2650)
[  219.330545][ T6512]  ? sock_write_iter (net/socket.c:1269)
[  219.330546][ T6512]  ? move_addr_to_kernel (net/socket.c:258)
[  219.330554][ T6512]  ___sys_sendmsg (net/socket.c:2767)
[  219.330556][ T6512]  ? copy_msghdr_from_user (net/socket.c:2619)
[  219.330572][ T6512]  __sys_sendmsg (net/socket.c:2799)
[  219.330575][ T6512]  ? __sys_sendmsg_sock (net/socket.c:2780)
[  219.330581][ T6512]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  219.330584][ T6512]  do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84)
[  219.330587][ T6512]  ? exc_page_fault (arch/x86/mm/fault.c:1489 (discriminator 3) arch/x86/mm/fault.c:1536 (discriminator 3))
[  219.330589][ T6512]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[  219.330591][ T6512] RIP: 0033:0x7fe592ff154e
[  219.330595][ T6512] 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
[  219.330597][ T6512] RSP: 002b:00007ffce9e630d0 EFLAGS: 00000202 ORIG_RAX: 000000000000002e
[  219.330599][ T6512] RAX: ffffffffffffffda RBX: 0000000000000003 RCX: 00007fe592ff154e
[  219.330601][ T6512] RDX: 0000000000000000 RSI: 00007ffce9e63180 RDI: 0000000000000005
[  219.330602][ T6512] RBP: 00007ffce9e630e0 R08: 0000000000000000 R09: 0000000000000000
[  219.330602][ T6512] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a916587
[  219.330603][ T6512] R13: 00000000004a1620 R14: 0000000000000000 R15: 00007ffce9e63840
| [  223.306893][   T70] softirqs last disabled at (7008760): netlink_release (./include/net/sock.h:2138 net/netlink/af_netlink.c:727)
| [  223.306895][   T70] Preemption disabled at:
| [  223.306896][   T70] vprintk_emit (kernel/printk/printk.c:2471)
| [  223.306904][   T70] Tainted: [W]=WARN
[  223.306905][   T70] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[  223.306906][   T70] Workqueue: netns cleanup_net
[  223.306909][   T70] Call Trace:
[  223.306911][   T70]  <TASK>
[  223.306913][   T70]  dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120)
[  223.306919][   T70]  ? vprintk_emit (kernel/printk/printk.c:2471)
[  223.306921][   T70]  __might_resched.cold (kernel/sched/core.c:9234)
[  223.306925][   T70]  ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3))
[  223.306929][   T70]  ? __kmalloc_noprof (./include/linux/sched/mm.h:317 mm/slub.c:4636 mm/slub.c:4974 mm/slub.c:5413 mm/slub.c:5439)
[  223.306933][   T70]  __kmalloc_noprof (./include/linux/sched/mm.h:322 (discriminator 2) mm/slub.c:4636 (discriminator 2) mm/slub.c:4974 (discriminator 2) mm/slub.c:5413 (discriminator 2) mm/slub.c:5439 (discriminator 2))
[  223.306935][   T70]  ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[  223.306942][   T70]  ? do_raw_spin_unlock (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:32 ./include/asm-generic/qspinlock.h:58 kernel/locking/spinlock_debug.c:101 kernel/locking/spinlock_debug.c:141)
[  223.306945][   T70]  alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[  223.306949][   T70]  put_chars (drivers/char/virtio_console.c:1176)
[  223.306951][   T70]  ? __send_to_port (drivers/char/virtio_console.c:654)
[  223.306952][   T70]  ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4116 (discriminator 3) kernel/rcu/tree.c:4108 (discriminator 3))
[  223.306956][   T70]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380)
[  223.306959][   T70]  ? validate_chain (kernel/locking/lockdep.c:3817 (discriminator 2) kernel/locking/lockdep.c:3837 (discriminator 2) kernel/locking/lockdep.c:3892 (discriminator 2))
[  223.306964][   T70]  hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2))
[  223.306968][   T70]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[  223.306973][   T70]  ? hvc_write (drivers/tty/hvc/hvc_console.c:501)
[  223.306977][   T70]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  223.306981][   T70]  console_emit_next_record (kernel/printk/printk.c:3183)
[  223.306985][   T70]  ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20)
[  223.306987][   T70]  ? console_flush_one_record (./include/linux/rcupdate.h:314 (discriminator 2) ./include/linux/srcu.h:439 (discriminator 2) kernel/printk/printk.c:291 (discriminator 2) kernel/printk/printk.c:3246 (discriminator 2))
[  223.306991][   T70]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  223.306992][   T70]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  223.306996][   T70]  console_flush_one_record (kernel/printk/printk.c:3268)
[  223.307001][   T70]  ? console_emit_next_record (kernel/printk/printk.c:3150)
[  223.307003][   T70]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[  223.307008][   T70]  console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420)
[  223.307011][   T70]  ? console_flush_one_record (kernel/printk/printk.c:3316)
[  223.307013][   T70]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  223.307015][   T70]  ? 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)
[  223.307018][   T70]  ? __down_trylock_console_sem (kernel/printk/printk.c:334)
[  223.307020][   T70]  ? vprintk_emit (kernel/printk/printk.c:2478)
[  223.307023][   T70]  vprintk_emit (kernel/printk/printk.c:2479)
[  223.307026][   T70]  ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126))
[  223.307028][   T70]  ? cleanup_net (net/core/net_namespace.c:706)
[  223.307029][   T70]  ? worker_thread (kernel/workqueue.c:3470 kernel/workqueue.c:3551)
[  223.307031][   T70]  ? kthread (kernel/kthread.c:436)
[  223.307033][   T70]  ? ret_from_fork (arch/x86/kernel/process.c:158)
[  223.307036][   T70]  ? ret_from_fork_asm (arch/x86/entry/entry_64.S:245)
[  223.307041][   T70]  _printk (kernel/printk/printk.c:2504)
[  223.307045][   T70]  ? snapshot_read.cold (user.c:?)
[  223.307049][   T70]  ? netdev_name (./include/linux/netdevice.h:5709 (discriminator 1))
[  223.307053][   T70]  ? __netdev_printk (net/core/dev.c:13148 (discriminator 2))
[  223.307057][   T70]  netdev_info (net/core/dev.c:13195 (discriminator 3))
[  223.307060][   T70]  ? netdev_notice (net/core/dev.c:13194)
[  223.307064][   T70]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  223.307066][   T70]  ? __up_read (kernel/locking/rwsem.c:1397 (discriminator 1))
[  223.307068][   T70]  ? down_write_nested (kernel/locking/rwsem.c:1759)
[  223.307070][   T70]  ? 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)
[  223.307073][   T70]  netif_set_allmulti.cold (net/core/dev.c:9731 (discriminator 3))
[  223.307077][   T70]  dev_set_allmulti (net/core/dev_api.c:315)
[  223.307080][   T70]  del_nbp (net/bridge/br_if.c:253 net/bridge/br_if.c:341)
[  223.307084][   T70]  ? __up_write (kernel/locking/rwsem.c:1415)
[  223.307085][   T70]  ? __up_write (kernel/locking/rwsem.c:1422 (discriminator 1))
[  223.307089][   T70]  br_dev_delete (net/bridge/br_if.c:387)
[  223.307092][   T70]  br_net_exit_rtnl (net/bridge/br.c:414)
[  223.307096][   T70]  ops_undo_list (net/core/net_namespace.c:181 net/core/net_namespace.c:249)
[  223.307099][   T70]  ? lockdep_hardirqs_on (kernel/locking/lockdep.c:4488)
[  223.307103][   T70]  ? netns_install (./include/linux/ns_common.h:26)
[  223.307104][   T70]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554)
[  223.307108][   T70]  ? idr_destroy (lib/radix-tree.c:310 lib/radix-tree.c:674 lib/radix-tree.c:1563)
[  223.307112][   T70]  cleanup_net (net/core/net_namespace.c:706)
[  223.307115][   T70]  ? net_passive_dec (./include/linux/llist.h:241)
[  223.307119][   T70]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  223.307121][   T70]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  223.307125][   T70]  process_one_work (kernel/workqueue.c:3387)
[  223.307131][   T70]  ? __queue_delayed_work (kernel/workqueue.c:2622)
[  223.307134][   T70]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2))
[  223.307142][   T70]  worker_thread (kernel/workqueue.c:3470 kernel/workqueue.c:3551)
[  223.307146][   T70]  ? rescuer_thread (./include/linux/list.h:419 (discriminator 3))
[  223.307148][   T70]  ? __kthread_parkme (./include/linux/instrumented.h:82 ./include/asm-generic/bitops/instrumented-non-atomic.h:141 kernel/kthread.c:272)
[  223.307151][   T70]  ? rescuer_thread (./include/linux/list.h:419 (discriminator 3))
[  223.307154][   T70]  ? rescuer_thread (./include/linux/list.h:419 (discriminator 3))
[  223.307156][   T70]  kthread (kernel/kthread.c:436)
[  223.307158][   T70]  ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22))
[  223.307161][   T70]  ? kthread_affine_preferred (kernel/kthread.c:857)
[  223.307164][   T70]  ret_from_fork (arch/x86/kernel/process.c:158)
[  223.307167][   T70]  ? arch_exit_to_user_mode_prepare.isra.0 (arch/x86/entry/vdso/vma.c:80 (discriminator 1))
[  223.307170][   T70]  ? __switch_to (arch/x86/kernel/process_64.c:403 arch/x86/kernel/process_64.c:663)
[  223.307173][   T70]  ? kthread_affine_preferred (kernel/kthread.c:857)
[  223.307176][   T70]  ret_from_fork_asm (arch/x86/entry/entry_64.S:245)
| [  226.835439][ T6726] softirqs last disabled at (36532): __alloc_skb (./include/linux/bottom_half.h:20 (discriminator 2) net/core/skbuff.c:697 (discriminator 2))
| [  226.835441][ T6726] Preemption disabled at:
| [  226.835442][ T6726] vprintk_emit (kernel/printk/printk.c:2471)
| [  226.835451][ T6726] Tainted: [W]=WARN
[  226.835452][ T6726] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[  226.835453][ T6726] Call Trace:
[  226.835455][ T6726]  <TASK>
[  226.835456][ T6726]  dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120)
[  226.835462][ T6726]  ? vprintk_emit (kernel/printk/printk.c:2471)
[  226.835463][ T6726]  __might_resched.cold (kernel/sched/core.c:9234)
[  226.835468][ T6726]  ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3))
[  226.835472][ T6726]  ? __kmalloc_noprof (./include/linux/sched/mm.h:317 mm/slub.c:4636 mm/slub.c:4974 mm/slub.c:5413 mm/slub.c:5439)
[  226.835476][ T6726]  __kmalloc_noprof (./include/linux/sched/mm.h:322 (discriminator 2) mm/slub.c:4636 (discriminator 2) mm/slub.c:4974 (discriminator 2) mm/slub.c:5413 (discriminator 2) mm/slub.c:5439 (discriminator 2))
[  226.835478][ T6726]  ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[  226.835485][ T6726]  ? do_raw_spin_unlock (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:32 ./include/asm-generic/qspinlock.h:58 kernel/locking/spinlock_debug.c:101 kernel/locking/spinlock_debug.c:141)
[  226.835488][ T6726]  alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[  226.835491][ T6726]  put_chars (drivers/char/virtio_console.c:1176)
[  226.835494][ T6726]  ? __send_to_port (drivers/char/virtio_console.c:654)
[  226.835495][ T6726]  ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4116 (discriminator 3) kernel/rcu/tree.c:4108 (discriminator 3))
[  226.835499][ T6726]  ? validate_chain (kernel/locking/lockdep.c:3817 (discriminator 2) kernel/locking/lockdep.c:3837 (discriminator 2) kernel/locking/lockdep.c:3892 (discriminator 2))
[  226.835504][ T6726]  hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2))
[  226.835512][ T6726]  ? hvc_write (drivers/tty/hvc/hvc_console.c:501)
[  226.835515][ T6726]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  226.835517][ T6726]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  226.835521][ T6726]  console_emit_next_record (kernel/printk/printk.c:3183)
[  226.835525][ T6726]  ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20)
[  226.835527][ T6726]  ? console_flush_one_record (./include/linux/rcupdate.h:314 (discriminator 2) ./include/linux/srcu.h:439 (discriminator 2) kernel/printk/printk.c:291 (discriminator 2) kernel/printk/printk.c:3246 (discriminator 2))
[  226.835530][ T6726]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  226.835532][ T6726]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  226.835536][ T6726]  console_flush_one_record (kernel/printk/printk.c:3268)
[  226.835540][ T6726]  ? console_emit_next_record (kernel/printk/printk.c:3150)
[  226.835542][ T6726]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[  226.835548][ T6726]  console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420)
[  226.835551][ T6726]  ? console_flush_one_record (kernel/printk/printk.c:3316)
[  226.835552][ T6726]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  226.835554][ T6726]  ? lock_acquire (./include/linux/srcutree.h:374 ./include/linux/srcu.h:541 ./include/linux/srcu.h:645 ./include/trace/events/lock.h:23 ./include/trace/events/lock.h:23 kernel/locking/lockdep.c:5871)
[  226.835558][ T6726]  ? __down_trylock_console_sem (kernel/printk/printk.c:334)
[  226.835560][ T6726]  ? vprintk_emit (kernel/printk/printk.c:2478)
[  226.835563][ T6726]  vprintk_emit (kernel/printk/printk.c:2479)
[  226.835566][ T6726]  ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126))
[  226.835568][ T6726]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554)
[  226.835570][ T6726]  ? mark_held_locks (kernel/locking/lockdep.c:4341)
[  226.835574][ T6726]  _printk (kernel/printk/printk.c:2504)
[  226.835577][ T6726]  ? snapshot_read.cold (user.c:?)
[  226.835581][ T6726]  ? br_multicast_flood (??:?)
[  226.835584][ T6726]  ? do_setlink.isra.0 (net/core/rtnetlink.c:3273 (discriminator 1))
[  226.835586][ T6726]  ? rtnl_newlink (net/core/rtnetlink.c:4215)
[  226.835587][ T6726]  ? rtnetlink_rcv_msg (net/core/rtnetlink.c:7132)
[  226.835591][ T6726]  br_set_state (net/bridge/br_stp.c:57 (discriminator 2))
[  226.835596][ T6726]  br_init_port (net/bridge/br_stp_if.c:39)
[  226.835598][ T6726]  new_nbp (net/bridge/br_if.c:449)
[  226.835602][ T6726]  br_add_if (net/bridge/br_if.c:592)
[  226.835604][ T6726]  ? is_bpf_text_address (./include/linux/rcupdate.h:882 kernel/bpf/core.c:751)
[  226.835608][ T6726]  ? kernel_text_address (kernel/extable.c:125 kernel/extable.c:94)
[  226.835613][ T6726]  do_set_master (net/core/rtnetlink.c:3071)
[  226.835617][ T6726]  do_setlink.isra.0 (net/core/rtnetlink.c:3273 (discriminator 1))
[  226.835620][ T6726]  ? stack_trace_save (kernel/stacktrace.c:122 (discriminator 1))
[  226.835624][ T6726]  ? rtnl_link_get_size (net/core/rtnetlink.c:747)
[  226.835625][ T6726]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:388 kernel/rcu/update.c:380)
[  226.835628][ T6726]  ? stack_depot_save_flags (lib/stackdepot.c:609 (discriminator 2) lib/stackdepot.c:676 (discriminator 2))
[  226.835631][ T6726]  ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4116 (discriminator 3) kernel/rcu/tree.c:4108 (discriminator 3))
[  226.835633][ T6726]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380)
[  226.835634][ T6726]  ? validate_chain (kernel/locking/lockdep.c:3817 (discriminator 2) kernel/locking/lockdep.c:3837 (discriminator 2) kernel/locking/lockdep.c:3892 (discriminator 2))
[  226.835637][ T6726]  ? kasan_save_stack (mm/kasan/common.c:58)
[  226.835639][ T6726]  ? kasan_save_stack (mm/kasan/common.c:57)
[  226.835640][ T6726]  ? kasan_save_track (mm/kasan/common.c:78)
[  226.835642][ T6726]  ? __kasan_kmalloc (mm/kasan/common.c:398 mm/kasan/common.c:415)
[  226.835644][ T6726]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[  226.835646][ T6726]  ? snd_ac97_proc_read_main (sound/pci/ac97/ac97_proc.c:320)
[  226.835648][ T6726]  ? ___sys_sendmsg (net/socket.c:2758)
[  226.835652][ T6726]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2))
[  226.835654][ T6726]  ? rtnl_newlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:366 net/core/rtnetlink.c:4214)
[  226.835657][ T6726]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  226.835659][ T6726]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  226.835660][ T6726]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  226.835661][ T6726]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  226.835663][ T6726]  ? trace_contention_end (./include/trace/events/lock.h:121 (discriminator 22))
[  226.835665][ T6726]  ? __mutex_lock (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:3188 kernel/locking/mutex.c:89 kernel/locking/mutex.c:134 kernel/locking/mutex.c:649 kernel/locking/mutex.c:821)
[  226.835668][ T6726]  ? __mutex_lock (kernel/locking/mutex.c:656 (discriminator 1) kernel/locking/mutex.c:821 (discriminator 1))
[  226.835669][ T6726]  ? rtnl_newlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:366 net/core/rtnetlink.c:4214)
[  226.835673][ T6726]  ? ww_mutex_lock (kernel/locking/mutex.c:934)
[  226.835674][ T6726]  ? nla_get_range_signed (lib/nlattr.c:270)
[  226.835679][ T6726]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  226.835681][ T6726]  ? __rtnl_newlink (net/core/rtnetlink.c:4063)
[  226.835686][ T6726]  rtnl_newlink (net/core/rtnetlink.c:4215)
[  226.835692][ T6726]  ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558)
[  226.835693][ T6726]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[  226.835698][ T6726]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2))
[  226.835700][ T6726]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[  226.835702][ T6726]  ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558)
[  226.835704][ T6726]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554)
[  226.835708][ T6726]  ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558)
[  226.835710][ T6726]  rtnetlink_rcv_msg (net/core/rtnetlink.c:7132)
[  226.835713][ T6726]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[  226.835714][ T6726]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[  226.835719][ T6726]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2))
[  226.835720][ T6726]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[  226.835724][ T6726]  netlink_rcv_skb (net/netlink/af_netlink.c:2556)
[  226.835727][ T6726]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[  226.835730][ T6726]  ? netlink_ack (./include/linux/skbuff.h:2718)
[  226.835737][ T6726]  ? netlink_deliver_tap (./include/linux/rcupdate.h:319 (discriminator 2) ./include/linux/rcupdate.h:880 (discriminator 2) ./include/net/netns/generic.h:48 (discriminator 2) net/netlink/af_netlink.c:334 (discriminator 2))
[  226.835739][ T6726]  ? netlink_deliver_tap (./include/linux/rcupdate.h:319 (discriminator 2) ./include/linux/rcupdate.h:880 (discriminator 2) net/netlink/af_netlink.c:341 (discriminator 2))
[  226.835743][ T6726]  netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[  226.835747][ T6726]  ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[  226.835750][ T6726]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[  226.835754][ T6726]  netlink_sendmsg (net/netlink/af_netlink.c:1900)
[  226.835758][ T6726]  ? netlink_unicast (./include/net/net_namespace.h:422 (discriminator 7))
[  226.835762][ T6726]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554)
[  226.835764][ T6726]  ? __import_iovec (lib/iov_iter.c:1358 lib/iov_iter.c:1373)
[  226.835772][ T6726]  __sock_sendmsg (net/socket.c:800 (discriminator 4) net/socket.c:815 (discriminator 4))
[  226.835775][ T6726]  ____sys_sendmsg (net/socket.c:2713)
[  226.835777][ T6726]  ? copy_msghdr_from_user (net/socket.c:2650)
[  226.835780][ T6726]  ? sock_write_iter (net/socket.c:1269)
[  226.835781][ T6726]  ? move_addr_to_kernel (net/socket.c:258)
[  226.835789][ T6726]  ___sys_sendmsg (net/socket.c:2767)
[  226.835791][ T6726]  ? copy_msghdr_from_user (net/socket.c:2619)
[  226.835807][ T6726]  __sys_sendmsg (net/socket.c:2799)
[  226.835810][ T6726]  ? __sys_sendmsg_sock (net/socket.c:2780)
[  226.835816][ T6726]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  226.835819][ T6726]  do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84)
[  226.835822][ T6726]  ? exc_page_fault (arch/x86/mm/fault.c:1489 (discriminator 3) arch/x86/mm/fault.c:1536 (discriminator 3))
[  226.835825][ T6726]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[  226.835827][ T6726] RIP: 0033:0x7f8c5397d54e
[  226.835831][ T6726] Code: 4d 89 d8 e8 b4 bd 00 00 4c 8b 5d f8 41 8b 93 08 03 00 00 59 5e 48 83 f8 fc 74 11 c9 c3 0f 1f 80 00 00 00 00 48 8b 45 10 0f 05 <c9> c3 83 e2 39 83 fa 08 75 e7 e8 03 ff ff ff 0f 1f 00 f3 0f 1e fa
All code
========
   0:	4d 89 d8             	mov    %r11,%r8
   3:	e8 b4 bd 00 00       	call   0xbdbc
   8:	4c 8b 5d f8          	mov    -0x8(%rbp),%r11
   c:	41 8b 93 08 03 00 00 	mov    0x308(%r11),%edx
  13:	59                   	pop    %rcx
  14:	5e                   	pop    %rsi
  15:	48 83 f8 fc          	cmp    $0xfffffffffffffffc,%rax
  19:	74 11                	je     0x2c
  1b:	c9                   	leave
  1c:	c3                   	ret
  1d:	0f 1f 80 00 00 00 00 	nopl   0x0(%rax)
  24:	48 8b 45 10          	mov    0x10(%rbp),%rax
  28:	0f 05                	syscall
  2a:*	c9                   	leave		<-- trapping instruction
  2b:	c3                   	ret
  2c:	83 e2 39             	and    $0x39,%edx
  2f:	83 fa 08             	cmp    $0x8,%edx
  32:	75 e7                	jne    0x1b
  34:	e8 03 ff ff ff       	call   0xffffffffffffff3c
  39:	0f 1f 00             	nopl   (%rax)
  3c:	f3 0f 1e fa          	endbr64

Code starting with the faulting instruction
===========================================
   0:	c9                   	leave
   1:	c3                   	ret
   2:	83 e2 39             	and    $0x39,%edx
   5:	83 fa 08             	cmp    $0x8,%edx
   8:	75 e7                	jne    0xfffffffffffffff1
   a:	e8 03 ff ff ff       	call   0xffffffffffffff12
   f:	0f 1f 00             	nopl   (%rax)
  12:	f3 0f 1e fa          	endbr64
[  226.835832][ T6726] RSP: 002b:00007ffd446edb70 EFLAGS: 00000202 ORIG_RAX: 000000000000002e
[  226.835835][ T6726] RAX: ffffffffffffffda RBX: 0000000000000003 RCX: 00007f8c5397d54e
[  226.835836][ T6726] RDX: 0000000000000000 RSI: 00007ffd446edc20 RDI: 0000000000000005
[  226.835837][ T6726] RBP: 00007ffd446edb80 R08: 0000000000000000 R09: 0000000000000000
[  226.835838][ T6726] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a91658f
[  226.835839][ T6726] R13: 00000000004a1620 R14: 0000000000000000 R15: 00007ffd446ee2e0
| [  230.803400][   T70] softirqs last disabled at (7220578): netlink_release (./include/net/sock.h:2138 net/netlink/af_netlink.c:727)
| [  230.803402][   T70] Preemption disabled at:
| [  230.803403][   T70] vprintk_emit (kernel/printk/printk.c:2471)
| [  230.803411][   T70] Tainted: [W]=WARN
[  230.803412][   T70] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[  230.803414][   T70] Workqueue: netns cleanup_net
[  230.803417][   T70] Call Trace:
[  230.803418][   T70]  <TASK>
[  230.803420][   T70]  dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120)
[  230.803426][   T70]  ? vprintk_emit (kernel/printk/printk.c:2471)
[  230.803428][   T70]  __might_resched.cold (kernel/sched/core.c:9234)
[  230.803432][   T70]  ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3))
[  230.803436][   T70]  ? __kmalloc_noprof (./include/linux/sched/mm.h:317 mm/slub.c:4636 mm/slub.c:4974 mm/slub.c:5413 mm/slub.c:5439)
[  230.803440][   T70]  __kmalloc_noprof (./include/linux/sched/mm.h:322 (discriminator 2) mm/slub.c:4636 (discriminator 2) mm/slub.c:4974 (discriminator 2) mm/slub.c:5413 (discriminator 2) mm/slub.c:5439 (discriminator 2))
[  230.803442][   T70]  ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[  230.803449][   T70]  ? do_raw_spin_unlock (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:32 ./include/asm-generic/qspinlock.h:58 kernel/locking/spinlock_debug.c:101 kernel/locking/spinlock_debug.c:141)
[  230.803452][   T70]  alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[  230.803456][   T70]  put_chars (drivers/char/virtio_console.c:1176)
[  230.803458][   T70]  ? __send_to_port (drivers/char/virtio_console.c:654)
[  230.803459][   T70]  ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4116 (discriminator 3) kernel/rcu/tree.c:4108 (discriminator 3))
[  230.803463][   T70]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380)
[  230.803466][   T70]  ? validate_chain (kernel/locking/lockdep.c:3817 (discriminator 2) kernel/locking/lockdep.c:3837 (discriminator 2) kernel/locking/lockdep.c:3892 (discriminator 2))
[  230.803471][   T70]  hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2))
[  230.803475][   T70]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[  230.803480][   T70]  ? hvc_write (drivers/tty/hvc/hvc_console.c:501)
[  230.803483][   T70]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  230.803488][   T70]  console_emit_next_record (kernel/printk/printk.c:3183)
[  230.803493][   T70]  ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20)
[  230.803495][   T70]  ? console_flush_one_record (./include/linux/rcupdate.h:314 (discriminator 2) ./include/linux/srcu.h:439 (discriminator 2) kernel/printk/printk.c:291 (discriminator 2) kernel/printk/printk.c:3246 (discriminator 2))
[  230.803498][   T70]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  230.803500][   T70]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  230.803504][   T70]  console_flush_one_record (kernel/printk/printk.c:3268)
[  230.803508][   T70]  ? console_emit_next_record (kernel/printk/printk.c:3150)
[  230.803510][   T70]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[  230.803515][   T70]  console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420)
[  230.803518][   T70]  ? console_flush_one_record (kernel/printk/printk.c:3316)
[  230.803520][   T70]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  230.803522][   T70]  ? 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)
[  230.803526][   T70]  ? __down_trylock_console_sem (kernel/printk/printk.c:334)
[  230.803528][   T70]  ? vprintk_emit (kernel/printk/printk.c:2478)
[  230.803530][   T70]  vprintk_emit (kernel/printk/printk.c:2479)
[  230.803534][   T70]  ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126))
[  230.803535][   T70]  ? cleanup_net (net/core/net_namespace.c:706)
[  230.803537][   T70]  ? worker_thread (kernel/workqueue.c:3470 kernel/workqueue.c:3551)
[  230.803539][   T70]  ? kthread (kernel/kthread.c:436)
[  230.803541][   T70]  ? ret_from_fork (arch/x86/kernel/process.c:158)
[  230.803544][   T70]  ? ret_from_fork_asm (arch/x86/entry/entry_64.S:245)
[  230.803549][   T70]  _printk (kernel/printk/printk.c:2504)
[  230.803552][   T70]  ? snapshot_read.cold (user.c:?)
[  230.803557][   T70]  ? netdev_name (./include/linux/netdevice.h:5709 (discriminator 1))
[  230.803561][   T70]  ? __netdev_printk (net/core/dev.c:13148 (discriminator 2))
[  230.803565][   T70]  netdev_info (net/core/dev.c:13195 (discriminator 3))
[  230.803567][   T70]  ? netdev_notice (net/core/dev.c:13194)
[  230.803572][   T70]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  230.803574][   T70]  ? __up_read (kernel/locking/rwsem.c:1397 (discriminator 1))
[  230.803576][   T70]  ? down_write_nested (kernel/locking/rwsem.c:1759)
[  230.803578][   T70]  ? 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)
[  230.803580][   T70]  netif_set_allmulti.cold (net/core/dev.c:9731 (discriminator 3))
[  230.803584][   T70]  dev_set_allmulti (net/core/dev_api.c:315)
[  230.803588][   T70]  del_nbp (net/bridge/br_if.c:253 net/bridge/br_if.c:341)
[  230.803592][   T70]  ? __up_write (kernel/locking/rwsem.c:1415)
[  230.803593][   T70]  ? __up_write (kernel/locking/rwsem.c:1422 (discriminator 1))
[  230.803597][   T70]  br_dev_delete (net/bridge/br_if.c:387)
[  230.803600][   T70]  br_net_exit_rtnl (net/bridge/br.c:414)
[  230.803604][   T70]  ops_undo_list (net/core/net_namespace.c:181 net/core/net_namespace.c:249)
[  230.803607][   T70]  ? lockdep_hardirqs_on (kernel/locking/lockdep.c:4488)
[  230.803611][   T70]  ? netns_install (./include/linux/ns_common.h:26)
[  230.803613][   T70]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554)
[  230.803616][   T70]  ? idr_destroy (lib/radix-tree.c:310 lib/radix-tree.c:674 lib/radix-tree.c:1563)
[  230.803621][   T70]  cleanup_net (net/core/net_namespace.c:706)
[  230.803624][   T70]  ? net_passive_dec (./include/linux/llist.h:241)
[  230.803627][   T70]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  230.803629][   T70]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  230.803633][   T70]  process_one_work (kernel/workqueue.c:3387)
[  230.803639][   T70]  ? __queue_delayed_work (kernel/workqueue.c:2622)
[  230.803643][   T70]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2))
[  230.803650][   T70]  worker_thread (kernel/workqueue.c:3470 kernel/workqueue.c:3551)
[  230.803655][   T70]  ? rescuer_thread (./include/linux/list.h:419 (discriminator 3))
[  230.803657][   T70]  ? __kthread_parkme (./include/linux/instrumented.h:82 ./include/asm-generic/bitops/instrumented-non-atomic.h:141 kernel/kthread.c:272)
[  230.803659][   T70]  ? rescuer_thread (./include/linux/list.h:419 (discriminator 3))
[  230.803662][   T70]  ? rescuer_thread (./include/linux/list.h:419 (discriminator 3))
[  230.803664][   T70]  kthread (kernel/kthread.c:436)
[  230.803666][   T70]  ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22))
[  230.803670][   T70]  ? kthread_affine_preferred (kernel/kthread.c:857)
[  230.803673][   T70]  ret_from_fork (arch/x86/kernel/process.c:158)
[  230.803676][   T70]  ? arch_exit_to_user_mode_prepare.isra.0 (arch/x86/entry/vdso/vma.c:80 (discriminator 1))
[  230.803679][   T70]  ? __switch_to (arch/x86/kernel/process_64.c:403 arch/x86/kernel/process_64.c:663)
[  230.803682][   T70]  ? kthread_affine_preferred (kernel/kthread.c:857)
[  230.803685][   T70]  ret_from_fork_asm (arch/x86/entry/entry_64.S:245)
| [  234.124860][ T6929] softirqs last disabled at (36792): __alloc_skb (./include/linux/bottom_half.h:20 (discriminator 2) net/core/skbuff.c:697 (discriminator 2))
| [  234.124863][ T6929] Preemption disabled at:
| [  234.124863][ T6929] vprintk_emit (kernel/printk/printk.c:2471)
| [  234.124871][ T6929] Tainted: [W]=WARN
[  234.124872][ T6929] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[  234.124874][ T6929] Call Trace:
[  234.124875][ T6929]  <TASK>
[  234.124877][ T6929]  dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120)
[  234.124883][ T6929]  ? vprintk_emit (kernel/printk/printk.c:2471)
[  234.124884][ T6929]  __might_resched.cold (kernel/sched/core.c:9234)
[  234.124889][ T6929]  ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3))
[  234.124893][ T6929]  ? __kmalloc_noprof (./include/linux/sched/mm.h:317 mm/slub.c:4636 mm/slub.c:4974 mm/slub.c:5413 mm/slub.c:5439)
[  234.124897][ T6929]  __kmalloc_noprof (./include/linux/sched/mm.h:322 (discriminator 2) mm/slub.c:4636 (discriminator 2) mm/slub.c:4974 (discriminator 2) mm/slub.c:5413 (discriminator 2) mm/slub.c:5439 (discriminator 2))
[  234.124899][ T6929]  ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[  234.124905][ T6929]  ? do_raw_spin_unlock (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:32 ./include/asm-generic/qspinlock.h:58 kernel/locking/spinlock_debug.c:101 kernel/locking/spinlock_debug.c:141)
[  234.124908][ T6929]  alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[  234.124912][ T6929]  put_chars (drivers/char/virtio_console.c:1176)
[  234.124914][ T6929]  ? __send_to_port (drivers/char/virtio_console.c:654)
[  234.124915][ T6929]  ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4116 (discriminator 3) kernel/rcu/tree.c:4108 (discriminator 3))
[  234.124918][ T6929]  ? validate_chain (kernel/locking/lockdep.c:3817 (discriminator 2) kernel/locking/lockdep.c:3837 (discriminator 2) kernel/locking/lockdep.c:3892 (discriminator 2))
[  234.124924][ T6929]  hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2))
[  234.124932][ T6929]  ? hvc_write (drivers/tty/hvc/hvc_console.c:501)
[  234.124934][ T6929]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  234.124936][ T6929]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  234.124940][ T6929]  console_emit_next_record (kernel/printk/printk.c:3183)
[  234.124944][ T6929]  ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20)
[  234.124946][ T6929]  ? console_flush_one_record (./include/linux/rcupdate.h:314 (discriminator 2) ./include/linux/srcu.h:439 (discriminator 2) kernel/printk/printk.c:291 (discriminator 2) kernel/printk/printk.c:3246 (discriminator 2))
[  234.124949][ T6929]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  234.124951][ T6929]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  234.124955][ T6929]  console_flush_one_record (kernel/printk/printk.c:3268)
[  234.124959][ T6929]  ? console_emit_next_record (kernel/printk/printk.c:3150)
[  234.124961][ T6929]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[  234.124966][ T6929]  console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420)
[  234.124969][ T6929]  ? console_flush_one_record (kernel/printk/printk.c:3316)
[  234.124971][ T6929]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  234.124973][ T6929]  ? 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)
[  234.124976][ T6929]  ? __down_trylock_console_sem (kernel/printk/printk.c:334)
[  234.124978][ T6929]  ? vprintk_emit (kernel/printk/printk.c:2478)
[  234.124981][ T6929]  vprintk_emit (kernel/printk/printk.c:2479)
[  234.124984][ T6929]  ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126))
[  234.124986][ T6929]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554)
[  234.124988][ T6929]  ? mark_held_locks (kernel/locking/lockdep.c:4341)
[  234.124992][ T6929]  _printk (kernel/printk/printk.c:2504)
[  234.124995][ T6929]  ? snapshot_read.cold (user.c:?)
[  234.124999][ T6929]  ? br_multicast_flood (??:?)
[  234.125002][ T6929]  ? do_setlink.isra.0 (net/core/rtnetlink.c:3273 (discriminator 1))
[  234.125003][ T6929]  ? rtnl_newlink (net/core/rtnetlink.c:4215)
[  234.125005][ T6929]  ? rtnetlink_rcv_msg (net/core/rtnetlink.c:7132)
[  234.125009][ T6929]  br_set_state (net/bridge/br_stp.c:57 (discriminator 2))
[  234.125013][ T6929]  br_init_port (net/bridge/br_stp_if.c:39)
[  234.125016][ T6929]  new_nbp (net/bridge/br_if.c:449)
[  234.125019][ T6929]  br_add_if (net/bridge/br_if.c:592)
[  234.125022][ T6929]  ? is_bpf_text_address (./include/linux/rcupdate.h:882 kernel/bpf/core.c:751)
[  234.125025][ T6929]  ? kernel_text_address (kernel/extable.c:125 kernel/extable.c:94)
[  234.125031][ T6929]  do_set_master (net/core/rtnetlink.c:3071)
[  234.125034][ T6929]  do_setlink.isra.0 (net/core/rtnetlink.c:3273 (discriminator 1))
[  234.125038][ T6929]  ? stack_trace_save (kernel/stacktrace.c:122 (discriminator 1))
[  234.125041][ T6929]  ? rtnl_link_get_size (net/core/rtnetlink.c:747)
[  234.125042][ T6929]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:388 kernel/rcu/update.c:380)
[  234.125045][ T6929]  ? stack_depot_save_flags (lib/stackdepot.c:609 (discriminator 2) lib/stackdepot.c:676 (discriminator 2))
[  234.125048][ T6929]  ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4116 (discriminator 3) kernel/rcu/tree.c:4108 (discriminator 3))
[  234.125050][ T6929]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380)
[  234.125052][ T6929]  ? validate_chain (kernel/locking/lockdep.c:3817 (discriminator 2) kernel/locking/lockdep.c:3837 (discriminator 2) kernel/locking/lockdep.c:3892 (discriminator 2))
[  234.125054][ T6929]  ? kasan_save_stack (mm/kasan/common.c:58)
[  234.125057][ T6929]  ? kasan_save_stack (mm/kasan/common.c:57)
[  234.125058][ T6929]  ? kasan_save_track (mm/kasan/common.c:78)
[  234.125059][ T6929]  ? __kasan_kmalloc (mm/kasan/common.c:398 mm/kasan/common.c:415)
[  234.125061][ T6929]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[  234.125063][ T6929]  ? snd_ac97_proc_read_main (sound/pci/ac97/ac97_proc.c:320)
[  234.125066][ T6929]  ? ___sys_sendmsg (net/socket.c:2758)
[  234.125070][ T6929]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2))
[  234.125072][ T6929]  ? rtnl_newlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:366 net/core/rtnetlink.c:4214)
[  234.125074][ T6929]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  234.125076][ T6929]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  234.125078][ T6929]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  234.125079][ T6929]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  234.125080][ T6929]  ? trace_contention_end (./include/trace/events/lock.h:121 (discriminator 22))
[  234.125083][ T6929]  ? __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)
[  234.125085][ T6929]  ? __mutex_lock (kernel/locking/mutex.c:656 (discriminator 1) kernel/locking/mutex.c:821 (discriminator 1))
[  234.125087][ T6929]  ? rtnl_newlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:366 net/core/rtnetlink.c:4214)
[  234.125090][ T6929]  ? ww_mutex_lock (kernel/locking/mutex.c:934)
[  234.125091][ T6929]  ? nla_get_range_signed (lib/nlattr.c:270)
[  234.125096][ T6929]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  234.125098][ T6929]  ? __rtnl_newlink (net/core/rtnetlink.c:4063)
[  234.125104][ T6929]  rtnl_newlink (net/core/rtnetlink.c:4215)
[  234.125109][ T6929]  ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558)
[  234.125111][ T6929]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[  234.125115][ T6929]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2))
[  234.125117][ T6929]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[  234.125119][ T6929]  ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558)
[  234.125121][ T6929]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554)
[  234.125125][ T6929]  ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558)
[  234.125127][ T6929]  rtnetlink_rcv_msg (net/core/rtnetlink.c:7132)
[  234.125130][ T6929]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[  234.125131][ T6929]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[  234.125136][ T6929]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2))
[  234.125138][ T6929]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[  234.125141][ T6929]  netlink_rcv_skb (net/netlink/af_netlink.c:2556)
[  234.125144][ T6929]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[  234.125147][ T6929]  ? netlink_ack (./include/linux/skbuff.h:2718)
[  234.125153][ T6929]  ? 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))
[  234.125156][ T6929]  ? 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))
[  234.125160][ T6929]  netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[  234.125164][ T6929]  ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[  234.125167][ T6929]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[  234.125171][ T6929]  netlink_sendmsg (net/netlink/af_netlink.c:1900)
[  234.125175][ T6929]  ? netlink_unicast (./include/net/net_namespace.h:422 (discriminator 7))
[  234.125179][ T6929]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554)
[  234.125180][ T6929]  ? __import_iovec (lib/iov_iter.c:1358 lib/iov_iter.c:1373)
[  234.125186][ T6929]  __sock_sendmsg (net/socket.c:800 (discriminator 4) net/socket.c:815 (discriminator 4))
[  234.125188][ T6929]  ____sys_sendmsg (net/socket.c:2713)
[  234.125191][ T6929]  ? copy_msghdr_from_user (net/socket.c:2650)
[  234.125193][ T6929]  ? sock_write_iter (net/socket.c:1269)
[  234.125194][ T6929]  ? move_addr_to_kernel (net/socket.c:258)
[  234.125202][ T6929]  ___sys_sendmsg (net/socket.c:2767)
[  234.125205][ T6929]  ? copy_msghdr_from_user (net/socket.c:2619)
[  234.125221][ T6929]  __sys_sendmsg (net/socket.c:2799)
[  234.125224][ T6929]  ? __sys_sendmsg_sock (net/socket.c:2780)
[  234.125230][ T6929]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  234.125233][ T6929]  do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84)
[  234.125236][ T6929]  ? exc_page_fault (arch/x86/mm/fault.c:1489 (discriminator 3) arch/x86/mm/fault.c:1536 (discriminator 3))
[  234.125238][ T6929]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[  234.125241][ T6929] RIP: 0033:0x7fb80e8d654e
[  234.125244][ T6929] 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
[  234.125246][ T6929] RSP: 002b:00007ffdfbf234e0 EFLAGS: 00000202 ORIG_RAX: 000000000000002e
[  234.125249][ T6929] RAX: ffffffffffffffda RBX: 0000000000000003 RCX: 00007fb80e8d654e
[  234.125250][ T6929] RDX: 0000000000000000 RSI: 00007ffdfbf23590 RDI: 0000000000000005
[  234.125251][ T6929] RBP: 00007ffdfbf234f0 R08: 0000000000000000 R09: 0000000000000000
[  234.125252][ T6929] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a916596
[  234.125253][ T6929] R13: 00000000004a1620 R14: 0000000000000000 R15: 00007ffdfbf23c50
| [  238.114868][   T70] softirqs last disabled at (7418211): __irq_exit_rcu (kernel/softirq.c:679 kernel/softirq.c:519 kernel/softirq.c:767)
| [  238.114870][   T70] Preemption disabled at:
| [  238.114871][   T70] vprintk_emit (kernel/printk/printk.c:2471)
| [  238.114879][   T70] Tainted: [W]=WARN
[  238.114879][   T70] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[  238.114881][   T70] Workqueue: netns cleanup_net
[  238.114884][   T70] Call Trace:
[  238.114885][   T70]  <TASK>
[  238.114887][   T70]  dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120)
[  238.114894][   T70]  ? vprintk_emit (kernel/printk/printk.c:2471)
[  238.114895][   T70]  __might_resched.cold (kernel/sched/core.c:9234)
[  238.114900][   T70]  ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3))
[  238.114904][   T70]  ? __kmalloc_noprof (./include/linux/sched/mm.h:317 mm/slub.c:4636 mm/slub.c:4974 mm/slub.c:5413 mm/slub.c:5439)
[  238.114908][   T70]  __kmalloc_noprof (./include/linux/sched/mm.h:322 (discriminator 2) mm/slub.c:4636 (discriminator 2) mm/slub.c:4974 (discriminator 2) mm/slub.c:5413 (discriminator 2) mm/slub.c:5439 (discriminator 2))
[  238.114910][   T70]  ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[  238.114917][   T70]  ? do_raw_spin_unlock (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:32 ./include/asm-generic/qspinlock.h:58 kernel/locking/spinlock_debug.c:101 kernel/locking/spinlock_debug.c:141)
[  238.114920][   T70]  alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[  238.114924][   T70]  put_chars (drivers/char/virtio_console.c:1176)
[  238.114927][   T70]  ? __send_to_port (drivers/char/virtio_console.c:654)
[  238.114928][   T70]  ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4116 (discriminator 3) kernel/rcu/tree.c:4108 (discriminator 3))
[  238.114932][   T70]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380)
[  238.114935][   T70]  ? validate_chain (kernel/locking/lockdep.c:3817 (discriminator 2) kernel/locking/lockdep.c:3837 (discriminator 2) kernel/locking/lockdep.c:3892 (discriminator 2))
[  238.114940][   T70]  hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2))
[  238.114944][   T70]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[  238.114949][   T70]  ? hvc_write (drivers/tty/hvc/hvc_console.c:501)
[  238.114952][   T70]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  238.114957][   T70]  console_emit_next_record (kernel/printk/printk.c:3183)
[  238.114961][   T70]  ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20)
[  238.114963][   T70]  ? lock_acquire.part.0 (./arch/x86/include/asm/irqflags.h:158 (discriminator 1) kernel/locking/lockdep.c:5912 (discriminator 1))
[  238.114966][   T70]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  238.114967][   T70]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  238.114971][   T70]  console_flush_one_record (kernel/printk/printk.c:3268)
[  238.114976][   T70]  ? console_emit_next_record (kernel/printk/printk.c:3150)
[  238.114978][   T70]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[  238.114983][   T70]  console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420)
[  238.114986][   T70]  ? console_flush_one_record (kernel/printk/printk.c:3316)
[  238.114988][   T70]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  238.114990][   T70]  ? 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)
[  238.114994][   T70]  ? __down_trylock_console_sem (kernel/printk/printk.c:334)
[  238.114996][   T70]  ? vprintk_emit (kernel/printk/printk.c:2478)
[  238.114999][   T70]  vprintk_emit (kernel/printk/printk.c:2479)
[  238.115002][   T70]  ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126))
[  238.115003][   T70]  ? cleanup_net (net/core/net_namespace.c:706)
[  238.115005][   T70]  ? worker_thread (kernel/workqueue.c:3470 kernel/workqueue.c:3551)
[  238.115007][   T70]  ? kthread (kernel/kthread.c:436)
[  238.115009][   T70]  ? ret_from_fork (arch/x86/kernel/process.c:158)
[  238.115012][   T70]  ? ret_from_fork_asm (arch/x86/entry/entry_64.S:245)
[  238.115016][   T70]  _printk (kernel/printk/printk.c:2504)
[  238.115020][   T70]  ? snapshot_read.cold (user.c:?)
[  238.115024][   T70]  ? netdev_name (./include/linux/netdevice.h:5709 (discriminator 1))
[  238.115028][   T70]  ? __netdev_printk (net/core/dev.c:13148 (discriminator 2))
[  238.115032][   T70]  netdev_info (net/core/dev.c:13195 (discriminator 3))
[  238.115034][   T70]  ? netdev_notice (net/core/dev.c:13194)
[  238.115039][   T70]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  238.115041][   T70]  ? __up_read (kernel/locking/rwsem.c:1397 (discriminator 1))
[  238.115043][   T70]  ? down_write_nested (kernel/locking/rwsem.c:1759)
[  238.115045][   T70]  ? 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)
[  238.115047][   T70]  netif_set_allmulti.cold (net/core/dev.c:9731 (discriminator 3))
[  238.115051][   T70]  dev_set_allmulti (net/core/dev_api.c:315)
[  238.115055][   T70]  del_nbp (net/bridge/br_if.c:253 net/bridge/br_if.c:341)
[  238.115058][   T70]  ? __up_write (kernel/locking/rwsem.c:1415)
[  238.115059][   T70]  ? __up_write (kernel/locking/rwsem.c:1422 (discriminator 1))
[  238.115063][   T70]  br_dev_delete (net/bridge/br_if.c:387)
[  238.115067][   T70]  br_net_exit_rtnl (net/bridge/br.c:414)
[  238.115070][   T70]  ops_undo_list (net/core/net_namespace.c:181 net/core/net_namespace.c:249)
[  238.115074][   T70]  ? lockdep_hardirqs_on (kernel/locking/lockdep.c:4488)
[  238.115076][   T70]  ? netns_install (./include/linux/ns_common.h:26)
[  238.115078][   T70]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554)
[  238.115081][   T70]  ? idr_destroy (lib/radix-tree.c:310 lib/radix-tree.c:674 lib/radix-tree.c:1563)
[  238.115086][   T70]  cleanup_net (net/core/net_namespace.c:706)
[  238.115089][   T70]  ? net_passive_dec (./include/linux/llist.h:241)
[  238.115093][   T70]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  238.115095][   T70]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  238.115098][   T70]  process_one_work (kernel/workqueue.c:3387)
[  238.115105][   T70]  ? __queue_delayed_work (kernel/workqueue.c:2622)
[  238.115108][   T70]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2))
[  238.115116][   T70]  worker_thread (kernel/workqueue.c:3470 kernel/workqueue.c:3551)
[  238.115120][   T70]  ? rescuer_thread (./include/linux/list.h:419 (discriminator 3))
[  238.115122][   T70]  ? __kthread_parkme (./include/linux/instrumented.h:82 ./include/asm-generic/bitops/instrumented-non-atomic.h:141 kernel/kthread.c:272)
[  238.115125][   T70]  ? rescuer_thread (./include/linux/list.h:419 (discriminator 3))
[  238.115128][   T70]  ? rescuer_thread (./include/linux/list.h:419 (discriminator 3))
[  238.115130][   T70]  kthread (kernel/kthread.c:436)
[  238.115131][   T70]  ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22))
[  238.115135][   T70]  ? kthread_affine_preferred (kernel/kthread.c:857)
[  238.115138][   T70]  ret_from_fork (arch/x86/kernel/process.c:158)
[  238.115141][   T70]  ? arch_exit_to_user_mode_prepare.isra.0 (arch/x86/entry/vdso/vma.c:80 (discriminator 1))
[  238.115144][   T70]  ? __switch_to (arch/x86/kernel/process_64.c:403 arch/x86/kernel/process_64.c:663)
[  238.115148][   T70]  ? kthread_affine_preferred (kernel/kthread.c:857)
[  238.115150][   T70]  ret_from_fork_asm (arch/x86/entry/entry_64.S:245)
| [  241.651071][ T7143] softirqs last disabled at (37762): __alloc_skb (./include/linux/bottom_half.h:20 (discriminator 2) net/core/skbuff.c:697 (discriminator 2))
| [  241.651074][ T7143] Preemption disabled at:
| [  241.651074][ T7143] vprintk_emit (kernel/printk/printk.c:2471)
| [  241.651083][ T7143] Tainted: [W]=WARN
[  241.651084][ T7143] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[  241.651085][ T7143] Call Trace:
[  241.651087][ T7143]  <TASK>
[  241.651089][ T7143]  dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120)
[  241.651094][ T7143]  ? vprintk_emit (kernel/printk/printk.c:2471)
[  241.651096][ T7143]  __might_resched.cold (kernel/sched/core.c:9234)
[  241.651100][ T7143]  ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3))
[  241.651105][ T7143]  ? __kmalloc_noprof (./include/linux/sched/mm.h:317 mm/slub.c:4636 mm/slub.c:4974 mm/slub.c:5413 mm/slub.c:5439)
[  241.651109][ T7143]  __kmalloc_noprof (./include/linux/sched/mm.h:322 (discriminator 2) mm/slub.c:4636 (discriminator 2) mm/slub.c:4974 (discriminator 2) mm/slub.c:5413 (discriminator 2) mm/slub.c:5439 (discriminator 2))
[  241.651111][ T7143]  ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[  241.651117][ T7143]  ? do_raw_spin_unlock (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:32 ./include/asm-generic/qspinlock.h:58 kernel/locking/spinlock_debug.c:101 kernel/locking/spinlock_debug.c:141)
[  241.651120][ T7143]  alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[  241.651124][ T7143]  put_chars (drivers/char/virtio_console.c:1176)
[  241.651126][ T7143]  ? __send_to_port (drivers/char/virtio_console.c:654)
[  241.651128][ T7143]  ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4116 (discriminator 3) kernel/rcu/tree.c:4108 (discriminator 3))
[  241.651131][ T7143]  ? validate_chain (kernel/locking/lockdep.c:3817 (discriminator 2) kernel/locking/lockdep.c:3837 (discriminator 2) kernel/locking/lockdep.c:3892 (discriminator 2))
[  241.651137][ T7143]  hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2))
[  241.651145][ T7143]  ? hvc_write (drivers/tty/hvc/hvc_console.c:501)
[  241.651147][ T7143]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  241.651149][ T7143]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  241.651153][ T7143]  console_emit_next_record (kernel/printk/printk.c:3183)
[  241.651157][ T7143]  ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20)
[  241.651159][ T7143]  ? console_flush_one_record (./include/linux/rcupdate.h:314 (discriminator 2) ./include/linux/srcu.h:439 (discriminator 2) kernel/printk/printk.c:291 (discriminator 2) kernel/printk/printk.c:3246 (discriminator 2))
[  241.651162][ T7143]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  241.651164][ T7143]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  241.651168][ T7143]  console_flush_one_record (kernel/printk/printk.c:3268)
[  241.651172][ T7143]  ? console_emit_next_record (kernel/printk/printk.c:3150)
[  241.651174][ T7143]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[  241.651179][ T7143]  console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420)
[  241.651182][ T7143]  ? console_flush_one_record (kernel/printk/printk.c:3316)
[  241.651184][ T7143]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  241.651186][ T7143]  ? 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)
[  241.651189][ T7143]  ? __down_trylock_console_sem (kernel/printk/printk.c:334)
[  241.651191][ T7143]  ? vprintk_emit (kernel/printk/printk.c:2478)
[  241.651194][ T7143]  vprintk_emit (kernel/printk/printk.c:2479)
[  241.651197][ T7143]  ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126))
[  241.651199][ T7143]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554)
[  241.651202][ T7143]  ? mark_held_locks (kernel/locking/lockdep.c:4341)
[  241.651205][ T7143]  _printk (kernel/printk/printk.c:2504)
[  241.651209][ T7143]  ? snapshot_read.cold (user.c:?)
[  241.651212][ T7143]  ? br_multicast_flood (??:?)
[  241.651216][ T7143]  ? do_setlink.isra.0 (net/core/rtnetlink.c:3273 (discriminator 1))
[  241.651217][ T7143]  ? rtnl_newlink (net/core/rtnetlink.c:4215)
[  241.651218][ T7143]  ? rtnetlink_rcv_msg (net/core/rtnetlink.c:7132)
[  241.651223][ T7143]  br_set_state (net/bridge/br_stp.c:57 (discriminator 2))
[  241.651227][ T7143]  br_init_port (net/bridge/br_stp_if.c:39)
[  241.651230][ T7143]  new_nbp (net/bridge/br_if.c:449)
[  241.651234][ T7143]  br_add_if (net/bridge/br_if.c:592)
[  241.651236][ T7143]  ? is_bpf_text_address (./include/linux/rcupdate.h:882 kernel/bpf/core.c:751)
[  241.651240][ T7143]  ? kernel_text_address (kernel/extable.c:125 kernel/extable.c:94)
[  241.651245][ T7143]  do_set_master (net/core/rtnetlink.c:3071)
[  241.651249][ T7143]  do_setlink.isra.0 (net/core/rtnetlink.c:3273 (discriminator 1))
[  241.651252][ T7143]  ? stack_trace_save (kernel/stacktrace.c:122 (discriminator 1))
[  241.651256][ T7143]  ? rtnl_link_get_size (net/core/rtnetlink.c:747)
[  241.651257][ T7143]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:388 kernel/rcu/update.c:380)
[  241.651260][ T7143]  ? stack_depot_save_flags (lib/stackdepot.c:609 (discriminator 2) lib/stackdepot.c:676 (discriminator 2))
[  241.651263][ T7143]  ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4116 (discriminator 3) kernel/rcu/tree.c:4108 (discriminator 3))
[  241.651265][ T7143]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380)
[  241.651267][ T7143]  ? validate_chain (kernel/locking/lockdep.c:3817 (discriminator 2) kernel/locking/lockdep.c:3837 (discriminator 2) kernel/locking/lockdep.c:3892 (discriminator 2))
[  241.651270][ T7143]  ? kasan_save_stack (mm/kasan/common.c:58)
[  241.651272][ T7143]  ? kasan_save_stack (mm/kasan/common.c:57)
[  241.651273][ T7143]  ? kasan_save_track (mm/kasan/common.c:78)
[  241.651274][ T7143]  ? __kasan_kmalloc (mm/kasan/common.c:398 mm/kasan/common.c:415)
[  241.651277][ T7143]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[  241.651279][ T7143]  ? snd_ac97_proc_read_main (sound/pci/ac97/ac97_proc.c:320)
[  241.651282][ T7143]  ? ___sys_sendmsg (net/socket.c:2758)
[  241.651285][ T7143]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2))
[  241.651287][ T7143]  ? rtnl_newlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:366 net/core/rtnetlink.c:4214)
[  241.651290][ T7143]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  241.651292][ T7143]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  241.651294][ T7143]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  241.651295][ T7143]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  241.651301][ T7143]  ? trace_contention_end (./include/trace/events/lock.h:121 (discriminator 22))
[  241.651303][ T7143]  ? __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)
[  241.651306][ T7143]  ? __mutex_lock (kernel/locking/mutex.c:656 (discriminator 1) kernel/locking/mutex.c:821 (discriminator 1))
[  241.651308][ T7143]  ? rtnl_newlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:366 net/core/rtnetlink.c:4214)
[  241.651312][ T7143]  ? ww_mutex_lock (kernel/locking/mutex.c:934)
[  241.651313][ T7143]  ? nla_get_range_signed (lib/nlattr.c:270)
[  241.651318][ T7143]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  241.651320][ T7143]  ? __rtnl_newlink (net/core/rtnetlink.c:4063)
[  241.651325][ T7143]  rtnl_newlink (net/core/rtnetlink.c:4215)
[  241.651330][ T7143]  ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558)
[  241.651332][ T7143]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[  241.651337][ T7143]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2))
[  241.651339][ T7143]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[  241.651341][ T7143]  ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558)
[  241.651343][ T7143]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554)
[  241.651347][ T7143]  ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558)
[  241.651349][ T7143]  rtnetlink_rcv_msg (net/core/rtnetlink.c:7132)
[  241.651352][ T7143]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[  241.651353][ T7143]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[  241.651357][ T7143]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2))
[  241.651359][ T7143]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[  241.651363][ T7143]  netlink_rcv_skb (net/netlink/af_netlink.c:2556)
[  241.651366][ T7143]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[  241.651369][ T7143]  ? netlink_ack (./include/linux/skbuff.h:2718)
[  241.651375][ T7143]  ? 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))
[  241.651377][ T7143]  ? 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))
[  241.651382][ T7143]  netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[  241.651386][ T7143]  ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[  241.651388][ T7143]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[  241.651392][ T7143]  netlink_sendmsg (net/netlink/af_netlink.c:1900)
[  241.651396][ T7143]  ? netlink_unicast (./include/net/net_namespace.h:422 (discriminator 7))
[  241.651400][ T7143]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554)
[  241.651402][ T7143]  ? __import_iovec (lib/iov_iter.c:1358 lib/iov_iter.c:1373)
[  241.651407][ T7143]  __sock_sendmsg (net/socket.c:800 (discriminator 4) net/socket.c:815 (discriminator 4))
[  241.651410][ T7143]  ____sys_sendmsg (net/socket.c:2713)
[  241.651412][ T7143]  ? copy_msghdr_from_user (net/socket.c:2650)
[  241.651415][ T7143]  ? sock_write_iter (net/socket.c:1269)
[  241.651416][ T7143]  ? move_addr_to_kernel (net/socket.c:258)
[  241.651424][ T7143]  ___sys_sendmsg (net/socket.c:2767)
[  241.651426][ T7143]  ? copy_msghdr_from_user (net/socket.c:2619)
[  241.651442][ T7143]  __sys_sendmsg (net/socket.c:2799)
[  241.651445][ T7143]  ? __sys_sendmsg_sock (net/socket.c:2780)
[  241.651451][ T7143]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  241.651454][ T7143]  do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84)
[  241.651457][ T7143]  ? exc_page_fault (arch/x86/mm/fault.c:1489 (discriminator 3) arch/x86/mm/fault.c:1536 (discriminator 3))
[  241.651460][ T7143]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[  241.651462][ T7143] RIP: 0033:0x7fd9b123354e
[  241.651466][ T7143] 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
[  241.651468][ T7143] RSP: 002b:00007fffe4b7f110 EFLAGS: 00000202 ORIG_RAX: 000000000000002e
[  241.651471][ T7143] RAX: ffffffffffffffda RBX: 0000000000000003 RCX: 00007fd9b123354e
[  241.651472][ T7143] RDX: 0000000000000000 RSI: 00007fffe4b7f1c0 RDI: 0000000000000005
[  241.651473][ T7143] RBP: 00007fffe4b7f120 R08: 0000000000000000 R09: 0000000000000000
[  241.651474][ T7143] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a91659d
[  241.651475][ T7143] R13: 00000000004a1620 R14: 0000000000000000 R15: 00007fffe4b7f880
| [  245.622194][   T70] softirqs last disabled at (7617024): netlink_release (./include/net/sock.h:2138 net/netlink/af_netlink.c:727)
| [  245.622197][   T70] Preemption disabled at:
| [  245.622197][   T70] vprintk_emit (kernel/printk/printk.c:2471)
| [  245.622205][   T70] Tainted: [W]=WARN
[  245.622206][   T70] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[  245.622208][   T70] Workqueue: netns cleanup_net
[  245.622211][   T70] Call Trace:
[  245.622213][   T70]  <TASK>
[  245.622214][   T70]  dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120)
[  245.622220][   T70]  ? vprintk_emit (kernel/printk/printk.c:2471)
[  245.622222][   T70]  __might_resched.cold (kernel/sched/core.c:9234)
[  245.622227][   T70]  ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3))
[  245.622231][   T70]  ? __kmalloc_noprof (./include/linux/sched/mm.h:317 mm/slub.c:4636 mm/slub.c:4974 mm/slub.c:5413 mm/slub.c:5439)
[  245.622235][   T70]  __kmalloc_noprof (./include/linux/sched/mm.h:322 (discriminator 2) mm/slub.c:4636 (discriminator 2) mm/slub.c:4974 (discriminator 2) mm/slub.c:5413 (discriminator 2) mm/slub.c:5439 (discriminator 2))
[  245.622237][   T70]  ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[  245.622244][   T70]  ? do_raw_spin_unlock (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:32 ./include/asm-generic/qspinlock.h:58 kernel/locking/spinlock_debug.c:101 kernel/locking/spinlock_debug.c:141)
[  245.622247][   T70]  alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[  245.622251][   T70]  put_chars (drivers/char/virtio_console.c:1176)
[  245.622253][   T70]  ? __send_to_port (drivers/char/virtio_console.c:654)
[  245.622255][   T70]  ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4116 (discriminator 3) kernel/rcu/tree.c:4108 (discriminator 3))
[  245.622258][   T70]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380)
[  245.622261][   T70]  ? validate_chain (kernel/locking/lockdep.c:3817 (discriminator 2) kernel/locking/lockdep.c:3837 (discriminator 2) kernel/locking/lockdep.c:3892 (discriminator 2))
[  245.622266][   T70]  hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2))
[  245.622270][   T70]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[  245.622275][   T70]  ? hvc_write (drivers/tty/hvc/hvc_console.c:501)
[  245.622279][   T70]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  245.622283][   T70]  console_emit_next_record (kernel/printk/printk.c:3183)
[  245.622287][   T70]  ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20)
[  245.622289][   T70]  ? console_flush_one_record (./include/linux/rcupdate.h:314 (discriminator 2) ./include/linux/srcu.h:439 (discriminator 2) kernel/printk/printk.c:291 (discriminator 2) kernel/printk/printk.c:3246 (discriminator 2))
[  245.622293][   T70]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  245.622295][   T70]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  245.622299][   T70]  console_flush_one_record (kernel/printk/printk.c:3268)
[  245.622308][   T70]  ? console_emit_next_record (kernel/printk/printk.c:3150)
[  245.622310][   T70]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[  245.622315][   T70]  console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420)
[  245.622318][   T70]  ? console_flush_one_record (kernel/printk/printk.c:3316)
[  245.622320][   T70]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  245.622322][   T70]  ? 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)
[  245.622325][   T70]  ? __down_trylock_console_sem (kernel/printk/printk.c:334)
[  245.622327][   T70]  ? vprintk_emit (kernel/printk/printk.c:2478)
[  245.622330][   T70]  vprintk_emit (kernel/printk/printk.c:2479)
[  245.622333][   T70]  ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126))
[  245.622335][   T70]  ? cleanup_net (net/core/net_namespace.c:706)
[  245.622337][   T70]  ? worker_thread (kernel/workqueue.c:3470 kernel/workqueue.c:3551)
[  245.622339][   T70]  ? kthread (kernel/kthread.c:436)
[  245.622341][   T70]  ? ret_from_fork (arch/x86/kernel/process.c:158)
[  245.622344][   T70]  ? ret_from_fork_asm (arch/x86/entry/entry_64.S:245)
[  245.622349][   T70]  _printk (kernel/printk/printk.c:2504)
[  245.622353][   T70]  ? snapshot_read.cold (user.c:?)
[  245.622357][   T70]  ? netdev_name (./include/linux/netdevice.h:5709 (discriminator 1))
[  245.622361][   T70]  ? __netdev_printk (net/core/dev.c:13148 (discriminator 2))
[  245.622365][   T70]  netdev_info (net/core/dev.c:13195 (discriminator 3))
[  245.622368][   T70]  ? netdev_notice (net/core/dev.c:13194)
[  245.622372][   T70]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  245.622374][   T70]  ? __up_read (kernel/locking/rwsem.c:1397 (discriminator 1))
[  245.622376][   T70]  ? down_write_nested (kernel/locking/rwsem.c:1759)
[  245.622379][   T70]  ? 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)
[  245.622381][   T70]  netif_set_allmulti.cold (net/core/dev.c:9731 (discriminator 3))
[  245.622385][   T70]  dev_set_allmulti (net/core/dev_api.c:315)
[  245.622389][   T70]  del_nbp (net/bridge/br_if.c:253 net/bridge/br_if.c:341)
[  245.622392][   T70]  ? __up_write (kernel/locking/rwsem.c:1415)
[  245.622394][   T70]  ? __up_write (kernel/locking/rwsem.c:1422 (discriminator 1))
[  245.622398][   T70]  br_dev_delete (net/bridge/br_if.c:387)
[  245.622401][   T70]  br_net_exit_rtnl (net/bridge/br.c:414)
[  245.622405][   T70]  ops_undo_list (net/core/net_namespace.c:181 net/core/net_namespace.c:249)
[  245.622408][   T70]  ? lockdep_hardirqs_on (kernel/locking/lockdep.c:4488)
[  245.622412][   T70]  ? netns_install (./include/linux/ns_common.h:26)
[  245.622414][   T70]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554)
[  245.622417][   T70]  ? idr_destroy (lib/radix-tree.c:310 lib/radix-tree.c:674 lib/radix-tree.c:1563)
[  245.622422][   T70]  cleanup_net (net/core/net_namespace.c:706)
[  245.622425][   T70]  ? net_passive_dec (./include/linux/llist.h:241)
[  245.622429][   T70]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  245.622431][   T70]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  245.622434][   T70]  process_one_work (kernel/workqueue.c:3387)
[  245.622441][   T70]  ? __queue_delayed_work (kernel/workqueue.c:2622)
[  245.622444][   T70]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2))
[  245.622452][   T70]  worker_thread (kernel/workqueue.c:3470 kernel/workqueue.c:3551)
[  245.622456][   T70]  ? rescuer_thread (./include/linux/list.h:419 (discriminator 3))
[  245.622458][   T70]  ? __kthread_parkme (./include/linux/instrumented.h:82 ./include/asm-generic/bitops/instrumented-non-atomic.h:141 kernel/kthread.c:272)
[  245.622461][   T70]  ? rescuer_thread (./include/linux/list.h:419 (discriminator 3))
[  245.622464][   T70]  ? rescuer_thread (./include/linux/list.h:419 (discriminator 3))
[  245.622466][   T70]  kthread (kernel/kthread.c:436)
[  245.622468][   T70]  ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22))
[  245.622471][   T70]  ? kthread_affine_preferred (kernel/kthread.c:857)
[  245.622474][   T70]  ret_from_fork (arch/x86/kernel/process.c:158)
[  245.622477][   T70]  ? arch_exit_to_user_mode_prepare.isra.0 (arch/x86/entry/vdso/vma.c:80 (discriminator 1))
[  245.622480][   T70]  ? __switch_to (arch/x86/kernel/process_64.c:403 arch/x86/kernel/process_64.c:663)
[  245.622484][   T70]  ? kthread_affine_preferred (kernel/kthread.c:857)
[  245.622487][   T70]  ret_from_fork_asm (arch/x86/entry/entry_64.S:245)
| [  249.685423][ T7332] softirqs last disabled at (154285): __irq_exit_rcu (kernel/softirq.c:679 kernel/softirq.c:519 kernel/softirq.c:767)
| [  249.685425][ T7332] Preemption disabled at:
| [  249.685426][ T7332] vprintk_emit (kernel/printk/printk.c:2471)
| [  249.685434][ T7332] Tainted: [W]=WARN
[  249.685435][ T7332] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[  249.685436][ T7332] Call Trace:
[  249.685438][ T7332]  <TASK>
[  249.685439][ T7332]  dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120)
[  249.685445][ T7332]  ? vprintk_emit (kernel/printk/printk.c:2471)
[  249.685447][ T7332]  __might_resched.cold (kernel/sched/core.c:9234)
[  249.685451][ T7332]  ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3))
[  249.685456][ T7332]  ? __kmalloc_noprof (./include/linux/sched/mm.h:317 mm/slub.c:4636 mm/slub.c:4974 mm/slub.c:5413 mm/slub.c:5439)
[  249.685460][ T7332]  __kmalloc_noprof (./include/linux/sched/mm.h:322 (discriminator 2) mm/slub.c:4636 (discriminator 2) mm/slub.c:4974 (discriminator 2) mm/slub.c:5413 (discriminator 2) mm/slub.c:5439 (discriminator 2))
[  249.685462][ T7332]  ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[  249.685469][ T7332]  ? do_raw_spin_unlock (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:32 ./include/asm-generic/qspinlock.h:58 kernel/locking/spinlock_debug.c:101 kernel/locking/spinlock_debug.c:141)
[  249.685472][ T7332]  alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[  249.685476][ T7332]  put_chars (drivers/char/virtio_console.c:1176)
[  249.685478][ T7332]  ? __send_to_port (drivers/char/virtio_console.c:654)
[  249.685481][ T7332]  ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4116 (discriminator 3) kernel/rcu/tree.c:4108 (discriminator 3))
[  249.685484][ T7332]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380)
[  249.685487][ T7332]  ? validate_chain (kernel/locking/lockdep.c:3817 (discriminator 2) kernel/locking/lockdep.c:3837 (discriminator 2) kernel/locking/lockdep.c:3892 (discriminator 2))
[  249.685491][ T7332]  hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2))
[  249.685495][ T7332]  ? mark_usage (kernel/locking/lockdep.c:4690)
[  249.685497][ T7332]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[  249.685498][ T7332]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[  249.685502][ T7332]  ? hvc_write (drivers/tty/hvc/hvc_console.c:501)
[  249.685504][ T7332]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2))
[  249.685509][ T7332]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  249.685513][ T7332]  console_emit_next_record (kernel/printk/printk.c:3183)
[  249.685516][ T7332]  ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20)
[  249.685518][ T7332]  ? console_flush_one_record (./include/linux/rcupdate.h:314 (discriminator 2) ./include/linux/srcu.h:439 (discriminator 2) kernel/printk/printk.c:291 (discriminator 2) kernel/printk/printk.c:3246 (discriminator 2))
[  249.685522][ T7332]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  249.685523][ T7332]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  249.685527][ T7332]  console_flush_one_record (kernel/printk/printk.c:3268)
[  249.685531][ T7332]  ? console_emit_next_record (kernel/printk/printk.c:3150)
[  249.685533][ T7332]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[  249.685538][ T7332]  console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420)
[  249.685541][ T7332]  ? console_flush_one_record (kernel/printk/printk.c:3316)
[  249.685543][ T7332]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  249.685545][ T7332]  ? 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)
[  249.685549][ T7332]  ? __down_trylock_console_sem (kernel/printk/printk.c:334)
[  249.685550][ T7332]  ? vprintk_emit (kernel/printk/printk.c:2478)
[  249.685553][ T7332]  vprintk_emit (kernel/printk/printk.c:2479)
[  249.685556][ T7332]  ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126))
[  249.685561][ T7332]  ? nf_nat_cleanup (./include/linux/jhash.h:126 (discriminator 32768) net/netfilter/nf_nat_core.c:526 (discriminator 32768)) nf_nat
[  249.685564][ T7332]  _printk (kernel/printk/printk.c:2504)
[  249.685568][ T7332]  ? snapshot_read.cold (user.c:?)
[  249.685574][ T7332]  ? 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)
[  249.685578][ T7332] dp_init (net/openvswitch/actions.c:729) openvswitch
[  249.685585][ T7332]  ? nf_nat_cleanup (./include/linux/jhash.h:126 (discriminator 32768) net/netfilter/nf_nat_core.c:526 (discriminator 32768)) nf_nat
[  249.685588][ T7332]  do_one_initcall (init/main.c:1357)
[  249.685590][ T7332]  ? trace_event_raw_event_initcall_level (./include/trace/events/initcall.h:10)
[  249.685595][ T7332]  ? do_init_module (./include/linux/slab.h:991 (discriminator 1) kernel/module/main.c:3105 (discriminator 1))
[  249.685597][ T7332]  ? kasan_unpoison (mm/kasan/shadow.c:146 mm/kasan/shadow.c:178)
[  249.685603][ T7332]  do_init_module (kernel/module/main.c:3117)
[  249.685606][ T7332]  ? lockdep_hardirqs_on (kernel/locking/lockdep.c:4488)
[  249.685610][ T7332]  ? free_module (./include/trace/events/module.h:50 (discriminator 19))
[  249.685612][ T7332]  ? kfree (./include/linux/kasan.h:235 mm/slub.c:2748 mm/slub.c:6499 mm/slub.c:6792)
[  249.685616][ T7332]  load_module (kernel/module/main.c:3593)
[  249.685621][ T7332]  ? security_kernel_post_read_file (security/security.c:2997 (discriminator 11))
[  249.685625][ T7332]  ? layout_and_allocate.isra.0 (kernel/module/main.c:3016)
[  249.685629][ T7332]  ? __ia32_sys_fsconfig (??:?)
[  249.685633][ T7332]  ? backing_file_read_iter (fs/backing-file.c:211)
[  249.685636][ T7332]  ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4116 (discriminator 3) kernel/rcu/tree.c:4108 (discriminator 3))
[  249.685639][ T7332]  init_module_from_file (kernel/module/main.c:3790)
[  249.685642][ T7332]  ? __do_sys_init_module (kernel/module/main.c:3664)
[  249.685649][ T7332]  ? __rwlock_init (kernel/locking/spinlock_debug.c:48)
[  249.685653][ T7332]  ? do_raw_spin_unlock (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:32 ./include/asm-generic/qspinlock.h:58 kernel/locking/spinlock_debug.c:101 kernel/locking/spinlock_debug.c:141)
[  249.685656][ T7332]  idempotent_init_module (kernel/module/main.c:3802)
[  249.685659][ T7332]  ? init_module_from_file (kernel/module/main.c:3791)
[  249.685664][ T7332]  ? cap_capable (./include/trace/events/capability.h:26 (discriminator 22) security/commoncap.c:130 (discriminator 22))
[  249.685666][ T7332]  ? __x64_sys_pread64 (fs/read_write.c:764 fs/read_write.c:772 fs/read_write.c:769 fs/read_write.c:769)
[  249.685672][ T7332]  __x64_sys_finit_module (kernel/module/main.c:3828 kernel/module/main.c:3812 kernel/module/main.c:3812)
[  249.685673][ T7332]  ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22))
[  249.685677][ T7332]  do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84)
[  249.685680][ T7332]  ? exc_page_fault (arch/x86/mm/fault.c:1489 (discriminator 3) arch/x86/mm/fault.c:1536 (discriminator 3))
[  249.685683][ T7332]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[  249.685685][ T7332] RIP: 0033:0x7f0ce6dbe37d
[  249.685688][ T7332] 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
[  249.685690][ T7332] RSP: 002b:00007ffc0bb798d8 EFLAGS: 00000246 ORIG_RAX: 0000000000000139
[  249.685693][ T7332] RAX: ffffffffffffffda RBX: 000055a087b0f810 RCX: 00007f0ce6dbe37d
[  249.685694][ T7332] RDX: 0000000000000000 RSI: 000055a06fc2effd RDI: 0000000000000005
[  249.685695][ T7332] RBP: 00007ffc0bb79970 R08: 0000000000000000 R09: 646f6d2f62696c2f
[  249.685696][ T7332] R10: 0000000000000000 R11: 0000000000000246 R12: 000055a06fc2effd
[  249.685697][ T7332] R13: 000055a087b0fa90 R14: 0000000000040000 R15: 0000000000000000
| [  250.904173][ T7367] softirqs last disabled at (377124): inet6_fill_ifla6_attrs (net/ipv6/addrconf.c:5883)
| [  250.904175][ T7367] Preemption disabled at:
| [  250.904175][ T7367] vprintk_emit (kernel/printk/printk.c:2471)
| [  250.904184][ T7367] Tainted: [W]=WARN
[  250.904185][ T7367] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[  250.904186][ T7367] Call Trace:
[  250.904188][ T7367]  <TASK>
[  250.904189][ T7367]  dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120)
[  250.904196][ T7367]  ? vprintk_emit (kernel/printk/printk.c:2471)
[  250.904197][ T7367]  __might_resched.cold (kernel/sched/core.c:9234)
[  250.904202][ T7367]  ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3))
[  250.904207][ 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)
[  250.904212][ 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))
[  250.904214][ T7367]  ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[  250.904220][ 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)
[  250.904223][ T7367]  alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[  250.904227][ T7367]  put_chars (drivers/char/virtio_console.c:1176)
[  250.904230][ T7367]  ? __send_to_port (drivers/char/virtio_console.c:654)
[  250.904233][ T7367]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380)
[  250.904236][ T7367]  ? validate_chain (kernel/locking/lockdep.c:3817 (discriminator 2) kernel/locking/lockdep.c:3837 (discriminator 2) kernel/locking/lockdep.c:3892 (discriminator 2))
[  250.904240][ T7367]  hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2))
[  250.904245][ T7367]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[  250.904246][ T7367]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[  250.904251][ T7367]  ? hvc_write (drivers/tty/hvc/hvc_console.c:501)
[  250.904255][ T7367]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  250.904257][ T7367]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  250.904261][ T7367]  console_emit_next_record (kernel/printk/printk.c:3183)
[  250.904265][ T7367]  ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20)
[  250.904267][ 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))
[  250.904271][ T7367]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  250.904272][ T7367]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  250.904276][ T7367]  console_flush_one_record (kernel/printk/printk.c:3268)
[  250.904281][ T7367]  ? console_emit_next_record (kernel/printk/printk.c:3150)
[  250.904283][ T7367]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[  250.904288][ T7367]  console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420)
[  250.904291][ T7367]  ? console_flush_one_record (kernel/printk/printk.c:3316)
[  250.904293][ T7367]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  250.904295][ 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)
[  250.904299][ T7367]  ? __down_trylock_console_sem (kernel/printk/printk.c:334)
[  250.904300][ T7367]  ? vprintk_emit (kernel/printk/printk.c:2478)
[  250.904303][ T7367]  vprintk_emit (kernel/printk/printk.c:2479)
[  250.904307][ T7367]  ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126))
[  250.904317][ T7367]  _printk (kernel/printk/printk.c:2504)
[  250.904321][ T7367]  ? snapshot_read.cold (user.c:?)
[  250.904324][ T7367]  ? lockdep_rtnl_is_held (./include/linux/lockdep.h:249 net/core/rtnetlink.c:182)
[  250.904327][ T7367]  ? netdev_upper_get_next_dev_rcu (net/core/dev.c:8213 (discriminator 5))
[  250.904331][ T7367]  ? __netdev_update_features (net/core/dev.c:11078 (discriminator 2))
[  250.904333][ T7367]  ? netdev_name (./include/linux/netdevice.h:5709 (discriminator 1))
[  250.904337][ T7367]  ? __netdev_printk (net/core/dev.c:13148 (discriminator 2))
[  250.904341][ T7367]  netdev_info (net/core/dev.c:13195 (discriminator 3))
[  250.904344][ T7367]  ? netdev_notice (net/core/dev.c:13194)
[  250.904346][ T7367]  ? ovs_netdev_link (net/openvswitch/vport-netdev.c:85) openvswitch
[  250.904355][ 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)
[  250.904357][ T7367]  __dev_set_promiscuity.cold (net/core/dev.c:9672 (discriminator 3))
[  250.904361][ T7367]  netif_set_promiscuity (net/core/dev.c:9699)
[  250.904365][ T7367]  dev_set_promiscuity (net/core/dev_api.c:288)
[  250.904367][ T7367]  ? dev_disable_lro (net/core/dev_api.c:267)
[  250.904369][ T7367] ovs_netdev_link (net/openvswitch/vport-netdev.c:106) openvswitch
[  250.904374][ T7367] ovs_vport_add (net/openvswitch/vport.c:209) openvswitch
[  250.904379][ T7367] new_vport (net/openvswitch/datapath.c:203) openvswitch
[  250.904383][ 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
[  250.904388][ T7367] ovs_vport_cmd_new (net/openvswitch/datapath.c:2389) openvswitch
[  250.904394][ T7367]  ? ovs_vport_cmd_fill_info.isra.0 (./include/net/netlink.h:1107 (discriminator 1)) openvswitch
[  250.904398][ T7367]  ? __nla_validate_parse (lib/nlattr.c:635)
[  250.904404][ T7367]  ? __nla_parse (lib/nlattr.c:732)
[  250.904407][ T7367]  ? genl_family_rcv_msg_attrs_parse.isra.0 (./include/net/netlink.h:789 (discriminator 2) net/netlink/genetlink.c:944 (discriminator 2))
[  250.904412][ T7367]  genl_family_rcv_msg_doit (net/netlink/genetlink.c:1114)
[  250.904416][ T7367]  ? genl_family_rcv_msg_attrs_parse.isra.0 (./include/net/netlink.h:785 (discriminator 2))
[  250.904424][ T7367]  ? security_capable (security/security.c:660 (discriminator 11))
[  250.904429][ T7367]  genl_family_rcv_msg (net/netlink/genetlink.c:1194)
[  250.904432][ T7367]  ? genl_family_rcv_msg_dumpit (net/netlink/genetlink.c:1079)
[  250.904435][ T7367]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380)
[  250.904437][ T7367]  ? ovs_vport_cmd_fill_info.isra.0 (./include/net/netlink.h:1107 (discriminator 1)) openvswitch
[  250.904441][ T7367]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[  250.904447][ T7367]  genl_rcv_msg (net/netlink/genetlink.c:1209)
[  250.904450][ T7367]  netlink_rcv_skb (net/netlink/af_netlink.c:2556)
[  250.904452][ T7367]  ? genl_family_rcv_msg (net/netlink/genetlink.c:1136 (discriminator 2))
[  250.904456][ T7367]  ? netlink_ack (./include/linux/skbuff.h:2718)
[  250.904463][ 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))
[  250.904465][ 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))
[  250.904469][ T7367]  genl_rcv (net/netlink/genetlink.c:1218)
[  250.904471][ T7367]  netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[  250.904475][ T7367]  ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[  250.904479][ T7367]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[  250.904483][ T7367]  netlink_sendmsg (net/netlink/af_netlink.c:1900)
[  250.904487][ T7367]  ? netlink_unicast (./include/net/net_namespace.h:422 (discriminator 7))
[  250.904489][ T7367]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[  250.904492][ T7367]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554)
[  250.904497][ T7367]  __sock_sendmsg (net/socket.c:800 (discriminator 4) net/socket.c:815 (discriminator 4))
[  250.904500][ T7367]  ? fdget (fs/file.c:1200 fs/file.c:1208)
[  250.904504][ T7367]  __sys_sendto (net/socket.c:2281)
[  250.904507][ T7367]  ? __ia32_sys_getpeername (net/socket.c:2235)
[  250.904518][ T7367]  ? exc_page_fault (arch/x86/mm/fault.c:1483 arch/x86/mm/fault.c:1536)
[  250.904524][ T7367]  __x64_sys_sendto (net/socket.c:2288 net/socket.c:2284 net/socket.c:2284)
[  250.904526][ T7367]  ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22))
[  250.904530][ T7367]  ? lockdep_hardirqs_on (kernel/locking/lockdep.c:4488)
[  250.904532][ T7367]  ? do_syscall_64 (arch/x86/entry/syscall_64.c:81 (discriminator 44))
[  250.904534][ T7367]  do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84)
[  250.904536][ T7367]  ? exc_page_fault (arch/x86/mm/fault.c:1489 (discriminator 3) arch/x86/mm/fault.c:1536 (discriminator 3))
[  250.904539][ T7367]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[  250.904541][ T7367] RIP: 0033:0x7f05b0fd0312
[  250.904544][ 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)
[  250.904546][ T7367] RSP: 002b:00007ffc9e8a5048 EFLAGS: 00000246 ORIG_RAX: 000000000000002c
[  250.904549][ T7367] RAX: ffffffffffffffda RBX: 00007ffc9e8a5178 RCX: 00007f05b0fd0312
[  250.904550][ T7367] RDX: 0000000000000038 RSI: 00007f05acc2ab30 RDI: 0000000000000023
[  250.904551][ T7367] RBP: 00007ffc9e8a5070 R08: 00007ffc9e8a51f0 R09: 000000000000000c
[  250.904552][ T7367] R10: 0000000000000000 R11: 0000000000000246 R12: 00007f05aee3a190
[  250.904553][ T7367] R13: 00007ffc9e8a5178 R14: 00007f05b08ef01a R15: 00007ffc9e8a5568
| [  260.062685][   T70] softirqs last disabled at (7941890): __neigh_ifdown.isra.0 (./include/linux/spinlock.h:353 net/core/neighbour.c:464)
| [  260.062688][   T70] Preemption disabled at:
| [  260.062689][   T70] vprintk_emit (kernel/printk/printk.c:2471)
| [  260.062697][   T70] Tainted: [W]=WARN
[  260.062698][   T70] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[  260.062700][   T70] Workqueue: netns cleanup_net
[  260.062703][   T70] Call Trace:
[  260.062704][   T70]  <TASK>
[  260.062706][   T70]  dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120)
[  260.062712][   T70]  ? vprintk_emit (kernel/printk/printk.c:2471)
[  260.062714][   T70]  __might_resched.cold (kernel/sched/core.c:9234)
[  260.062719][   T70]  ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3))
[  260.062723][   T70]  ? __kmalloc_noprof (./include/linux/sched/mm.h:317 mm/slub.c:4636 mm/slub.c:4974 mm/slub.c:5413 mm/slub.c:5439)
[  260.062727][   T70]  __kmalloc_noprof (./include/linux/sched/mm.h:322 (discriminator 2) mm/slub.c:4636 (discriminator 2) mm/slub.c:4974 (discriminator 2) mm/slub.c:5413 (discriminator 2) mm/slub.c:5439 (discriminator 2))
[  260.062729][   T70]  ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[  260.062736][   T70]  ? do_raw_spin_unlock (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:32 ./include/asm-generic/qspinlock.h:58 kernel/locking/spinlock_debug.c:101 kernel/locking/spinlock_debug.c:141)
[  260.062738][   T70]  alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[  260.062742][   T70]  put_chars (drivers/char/virtio_console.c:1176)
[  260.062744][   T70]  ? prb_final_commit (kernel/printk/printk_ringbuffer.c:1842)
[  260.062746][   T70]  ? __send_to_port (drivers/char/virtio_console.c:654)
[  260.062749][   T70]  ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4116 (discriminator 3) kernel/rcu/tree.c:4108 (discriminator 3))
[  260.062752][   T70]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380)
[  260.062755][   T70]  ? validate_chain (kernel/locking/lockdep.c:3817 (discriminator 2) kernel/locking/lockdep.c:3837 (discriminator 2) kernel/locking/lockdep.c:3892 (discriminator 2))
[  260.062760][   T70]  hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2))
[  260.062764][   T70]  ? mark_usage (kernel/locking/lockdep.c:4690)
[  260.062766][   T70]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[  260.062770][   T70]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[  260.062774][   T70]  ? hvc_write (drivers/tty/hvc/hvc_console.c:501)
[  260.062777][   T70]  ? console_emit_next_record (kernel/printk/printk.c:3095 (discriminator 2) kernel/printk/printk.c:3182 (discriminator 2))
[  260.062780][   T70]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  260.062782][   T70]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  260.062786][   T70]  console_emit_next_record (kernel/printk/printk.c:3183)
[  260.062791][   T70]  ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20)
[  260.062793][   T70]  ? console_flush_one_record (./include/linux/rcupdate.h:314 (discriminator 2) ./include/linux/srcu.h:439 (discriminator 2) kernel/printk/printk.c:291 (discriminator 2) kernel/printk/printk.c:3246 (discriminator 2))
[  260.062796][   T70]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  260.062798][   T70]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  260.062802][   T70]  console_flush_one_record (kernel/printk/printk.c:3268)
[  260.062806][   T70]  ? console_emit_next_record (kernel/printk/printk.c:3150)
[  260.062808][   T70]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[  260.062814][   T70]  console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420)
[  260.062816][   T70]  ? console_flush_one_record (kernel/printk/printk.c:3316)
[  260.062818][   T70]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  260.062820][   T70]  ? 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)
[  260.062824][   T70]  ? __down_trylock_console_sem (kernel/printk/printk.c:334)
[  260.062826][   T70]  ? vprintk_emit (kernel/printk/printk.c:2478)
[  260.062829][   T70]  vprintk_emit (kernel/printk/printk.c:2479)
[  260.062832][   T70]  ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126))
[  260.062834][   T70]  ? net_disable_timestamp (./include/linux/workqueue.h:761)
[  260.062836][   T70]  ? net_generic (./include/linux/rcupdate.h:882 ./include/net/netns/generic.h:48) vxlan
[  260.062846][   T70]  _printk (kernel/printk/printk.c:2504)
[  260.062849][   T70]  ? snapshot_read.cold (user.c:?)
[  260.062854][   T70]  ? netdev_name (./include/linux/netdevice.h:5709 (discriminator 1))
[  260.062857][   T70]  ? __netdev_printk (net/core/dev.c:13148 (discriminator 2))
[  260.062861][   T70]  netdev_info (net/core/dev.c:13195 (discriminator 3))
[  260.062864][   T70]  ? netdev_notice (net/core/dev.c:13194)
[  260.062866][   T70]  ? __netdev_upper_dev_unlink (net/core/dev.c:9094)
[  260.062870][   T70]  ? synchronize_rcu_expedited (kernel/rcu/tree_exp.h:985)
[  260.062876][   T70]  ? 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)
[  260.062878][   T70]  __dev_set_promiscuity.cold (net/core/dev.c:9672 (discriminator 3))
[  260.062882][   T70]  netif_set_promiscuity (net/core/dev.c:9699)
[  260.062886][   T70]  dev_set_promiscuity (net/core/dev_api.c:288)
[  260.062888][   T70]  ? rtnl_is_locked (net/core/rtnetlink.c:169)
[  260.062891][   T70] ovs_netdev_detach_dev (net/openvswitch/vport-netdev.c:174) openvswitch
[  260.062897][   T70] dp_device_event (net/openvswitch/dp_notify.c:74) openvswitch
[  260.062902][   T70]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  260.062904][   T70]  notifier_call_chain (kernel/notifier.c:85)
[  260.062910][   T70]  unregister_netdevice_many_notify (net/core/dev.c:2313 net/core/dev.c:2327 net/core/dev.c:12518)
[  260.062915][   T70]  ? unregister_netdevice_queued (./include/linux/list.h:419 (discriminator 3))
[  260.062923][   T70]  default_device_exit_batch (net/core/dev.c:12589 net/core/dev.c:13288)
[  260.062926][   T70]  ? unregister_netdevice_queue (./include/linux/list.h:173)
[  260.062929][   T70]  ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3))
[  260.062931][   T70]  ? fou_exit_net (net/ipv4/fou_core.c:1228)
[  260.062936][   T70]  ops_undo_list (net/core/net_namespace.c:206 net/core/net_namespace.c:253)
[  260.062940][   T70]  ? lockdep_hardirqs_on (kernel/locking/lockdep.c:4488)
[  260.062943][   T70]  ? netns_install (./include/linux/ns_common.h:26)
[  260.062945][   T70]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554)
[  260.062948][   T70]  ? idr_destroy (lib/radix-tree.c:310 lib/radix-tree.c:674 lib/radix-tree.c:1563)
[  260.062953][   T70]  cleanup_net (net/core/net_namespace.c:706)
[  260.062956][   T70]  ? net_passive_dec (./include/linux/llist.h:241)
[  260.062960][   T70]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  260.062962][   T70]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  260.062965][   T70]  process_one_work (kernel/workqueue.c:3387)
[  260.062972][   T70]  ? __queue_delayed_work (kernel/workqueue.c:2622)
[  260.062975][   T70]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2))
[  260.062983][   T70]  worker_thread (kernel/workqueue.c:3470 kernel/workqueue.c:3551)
[  260.062988][   T70]  ? rescuer_thread (./include/linux/list.h:419 (discriminator 3))
[  260.062990][   T70]  ? __kthread_parkme (./include/linux/instrumented.h:82 ./include/asm-generic/bitops/instrumented-non-atomic.h:141 kernel/kthread.c:272)
[  260.062993][   T70]  ? rescuer_thread (./include/linux/list.h:419 (discriminator 3))
[  260.062995][   T70]  ? rescuer_thread (./include/linux/list.h:419 (discriminator 3))
[  260.062998][   T70]  kthread (kernel/kthread.c:436)
[  260.063000][   T70]  ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22))
[  260.063003][   T70]  ? kthread_affine_preferred (kernel/kthread.c:857)
[  260.063006][   T70]  ret_from_fork (arch/x86/kernel/process.c:158)
[  260.063010][   T70]  ? arch_exit_to_user_mode_prepare.isra.0 (arch/x86/entry/vdso/vma.c:80 (discriminator 1))
[  260.063014][   T70]  ? __switch_to (arch/x86/kernel/process_64.c:403 arch/x86/kernel/process_64.c:663)
[  260.063017][   T70]  ? kthread_affine_preferred (kernel/kthread.c:857)
[  260.063020][   T70]  ret_from_fork_asm (arch/x86/entry/entry_64.S:245)
| [  262.472882][ T7621] softirqs last disabled at (372529): __irq_exit_rcu (kernel/softirq.c:679 kernel/softirq.c:519 kernel/softirq.c:767)
| [  262.472884][ T7621] Preemption disabled at:
| [  262.472885][ T7621] vprintk_emit (kernel/printk/printk.c:2471)
| [  262.472893][ T7621] Tainted: [W]=WARN
[  262.472894][ T7621] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[  262.472896][ T7621] Call Trace:
[  262.472897][ T7621]  <TASK>
[  262.472899][ T7621]  dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120)
[  262.472905][ T7621]  ? vprintk_emit (kernel/printk/printk.c:2471)
[  262.472907][ T7621]  __might_resched.cold (kernel/sched/core.c:9234)
[  262.472911][ T7621]  ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3))
[  262.472915][ T7621]  ? __kmalloc_noprof (./include/linux/sched/mm.h:317 mm/slub.c:4636 mm/slub.c:4974 mm/slub.c:5413 mm/slub.c:5439)
[  262.472920][ T7621]  __kmalloc_noprof (./include/linux/sched/mm.h:322 (discriminator 2) mm/slub.c:4636 (discriminator 2) mm/slub.c:4974 (discriminator 2) mm/slub.c:5413 (discriminator 2) mm/slub.c:5439 (discriminator 2))
[  262.472922][ T7621]  ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[  262.472928][ T7621]  ? do_raw_spin_unlock (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:32 ./include/asm-generic/qspinlock.h:58 kernel/locking/spinlock_debug.c:101 kernel/locking/spinlock_debug.c:141)
[  262.472931][ T7621]  alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[  262.472935][ T7621]  put_chars (drivers/char/virtio_console.c:1176)
[  262.472937][ T7621]  ? __send_to_port (drivers/char/virtio_console.c:654)
[  262.472939][ T7621]  ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4116 (discriminator 3) kernel/rcu/tree.c:4108 (discriminator 3))
[  262.472942][ T7621]  ? validate_chain (kernel/locking/lockdep.c:3817 (discriminator 2) kernel/locking/lockdep.c:3837 (discriminator 2) kernel/locking/lockdep.c:3892 (discriminator 2))
[  262.472948][ T7621]  hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2))
[  262.472956][ T7621]  ? hvc_write (drivers/tty/hvc/hvc_console.c:501)
[  262.472958][ T7621]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  262.472960][ T7621]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  262.472965][ T7621]  console_emit_next_record (kernel/printk/printk.c:3183)
[  262.472969][ T7621]  ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20)
[  262.472971][ T7621]  ? console_flush_one_record (./include/linux/rcupdate.h:314 (discriminator 2) ./include/linux/srcu.h:439 (discriminator 2) kernel/printk/printk.c:291 (discriminator 2) kernel/printk/printk.c:3246 (discriminator 2))
[  262.472974][ T7621]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  262.472976][ T7621]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  262.472980][ T7621]  console_flush_one_record (kernel/printk/printk.c:3268)
[  262.472984][ T7621]  ? console_emit_next_record (kernel/printk/printk.c:3150)
[  262.472986][ T7621]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[  262.472991][ T7621]  console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420)
[  262.472994][ T7621]  ? console_flush_one_record (kernel/printk/printk.c:3316)
[  262.472996][ T7621]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  262.472998][ T7621]  ? 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)
[  262.473002][ T7621]  ? __down_trylock_console_sem (kernel/printk/printk.c:334)
[  262.473003][ T7621]  ? vprintk_emit (kernel/printk/printk.c:2478)
[  262.473006][ T7621]  vprintk_emit (kernel/printk/printk.c:2479)
[  262.473009][ T7621]  ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126))
[  262.473011][ T7621]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380)
[  262.473014][ T7621]  ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4116 (discriminator 3) kernel/rcu/tree.c:4108 (discriminator 3))
[  262.473018][ T7621]  _printk (kernel/printk/printk.c:2504)
[  262.473021][ T7621]  ? snapshot_read.cold (user.c:?)
[  262.473025][ T7621]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  262.473027][ T7621]  ? netdev_name (./include/linux/netdevice.h:5709 (discriminator 1))
[  262.473030][ T7621]  ? __netdev_printk (net/core/dev.c:13148 (discriminator 2))
[  262.473034][ T7621]  netdev_info (net/core/dev.c:13195 (discriminator 3))
[  262.473037][ T7621]  ? netdev_notice (net/core/dev.c:13194)
[  262.473039][ T7621]  ? internal_dev_destroy (net/openvswitch/vport-internal_dev.c:178) openvswitch
[  262.473044][ T7621]  ? ww_mutex_lock (kernel/locking/mutex.c:934)
[  262.473050][ T7621]  ? 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)
[  262.473053][ T7621]  __dev_set_promiscuity.cold (net/core/dev.c:9672 (discriminator 3))
[  262.473056][ T7621]  netif_set_promiscuity (net/core/dev.c:9699)
[  262.473061][ T7621]  dev_set_promiscuity (net/core/dev_api.c:288)
[  262.473064][ T7621] internal_dev_destroy (net/openvswitch/vport-internal_dev.c:179) openvswitch
[  262.473068][ T7621] __dp_destroy (net/openvswitch/datapath.c:1969 (discriminator 1)) openvswitch
[  262.473075][ T7621] ovs_dp_cmd_del (net/openvswitch/datapath.c:2003) openvswitch
[  262.473080][ T7621]  genl_family_rcv_msg_doit (net/netlink/genetlink.c:1114)
[  262.473084][ T7621]  ? genl_family_rcv_msg_attrs_parse.isra.0 (./include/net/netlink.h:785 (discriminator 2))
[  262.473092][ T7621]  ? security_capable (security/security.c:660 (discriminator 11))
[  262.473097][ T7621]  genl_family_rcv_msg (net/netlink/genetlink.c:1194)
[  262.473100][ T7621]  ? genl_family_rcv_msg_dumpit (net/netlink/genetlink.c:1079)
[  262.473103][ T7621]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380)
[  262.473105][ T7621]  ? __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
[  262.473109][ T7621]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[  262.473115][ T7621]  genl_rcv_msg (net/netlink/genetlink.c:1209)
[  262.473119][ T7621]  netlink_rcv_skb (net/netlink/af_netlink.c:2556)
[  262.473121][ T7621]  ? genl_family_rcv_msg (net/netlink/genetlink.c:1136 (discriminator 2))
[  262.473124][ T7621]  ? netlink_ack (./include/linux/skbuff.h:2718)
[  262.473131][ T7621]  ? 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))
[  262.473134][ T7621]  ? 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))
[  262.473138][ T7621]  genl_rcv (net/netlink/genetlink.c:1218)
[  262.473140][ T7621]  netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[  262.473144][ T7621]  ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[  262.473148][ T7621]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[  262.473151][ T7621]  netlink_sendmsg (net/netlink/af_netlink.c:1900)
[  262.473155][ T7621]  ? netlink_unicast (./include/net/net_namespace.h:422 (discriminator 7))
[  262.473157][ T7621]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[  262.473160][ T7621]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554)
[  262.473165][ T7621]  __sock_sendmsg (net/socket.c:800 (discriminator 4) net/socket.c:815 (discriminator 4))
[  262.473168][ T7621]  ? fdget (fs/file.c:1200 fs/file.c:1208)
[  262.473172][ T7621]  __sys_sendto (net/socket.c:2281)
[  262.473175][ T7621]  ? __ia32_sys_getpeername (net/socket.c:2235)
[  262.473180][ T7621]  ? do_futex (kernel/futex/syscalls.c:138)
[  262.473184][ T7621]  ? __ia32_sys_get_robust_list (kernel/futex/syscalls.c:94)
[  262.473190][ T7621]  ? do_futex (kernel/futex/syscalls.c:153 (discriminator 1))
[  262.473194][ T7621]  __x64_sys_sendto (net/socket.c:2288 net/socket.c:2284 net/socket.c:2284)
[  262.473196][ T7621]  ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22))
[  262.473200][ T7621]  ? lockdep_hardirqs_on (kernel/locking/lockdep.c:4488)
[  262.473202][ T7621]  ? do_syscall_64 (arch/x86/entry/syscall_64.c:81 (discriminator 44))
[  262.473205][ T7621]  do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84)
[  262.473207][ T7621]  ? exc_page_fault (arch/x86/mm/fault.c:1489 (discriminator 3) arch/x86/mm/fault.c:1536 (discriminator 3))
[  262.473210][ T7621]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[  262.473212][ T7621] RIP: 0033:0x7f85ecde6312
[  262.473215][ T7621] 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)
[  262.473217][ T7621] RSP: 002b:00007ffd19cb6af8 EFLAGS: 00000246 ORIG_RAX: 000000000000002c
[  262.473220][ T7621] RAX: ffffffffffffffda RBX: 00007ffd19cb6c28 RCX: 00007f85ecde6312
[  262.473221][ T7621] RDX: 0000000000000024 RSI: 00007f85e89664c0 RDI: 0000000000000020
[  262.473222][ T7621] RBP: 00007ffd19cb6b20 R08: 00007ffd19cb6ca0 R09: 000000000000000c
[  262.473223][ T7621] R10: 0000000000000000 R11: 0000000000000246 R12: 00007f85eac45e10
[  262.473224][ T7621] R13: 00007ffd19cb6c28 R14: 00007f85ec70501a R15: 00007ffd19cb7018
| [  265.575758][ T7728] softirqs last disabled at (386868): __alloc_skb (./include/linux/bottom_half.h:20 (discriminator 2) net/core/skbuff.c:697 (discriminator 2))
| [  265.575760][ T7728] Preemption disabled at:
| [  265.575761][ T7728] vprintk_emit (kernel/printk/printk.c:2471)
| [  265.575772][ T7728] Tainted: [W]=WARN
[  265.575773][ T7728] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[  265.575775][ T7728] Call Trace:
[  265.575776][ T7728]  <TASK>
[  265.575778][ T7728]  dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120)
[  265.575784][ T7728]  ? vprintk_emit (kernel/printk/printk.c:2471)
[  265.575785][ T7728]  __might_resched.cold (kernel/sched/core.c:9234)
[  265.575790][ T7728]  ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3))
[  265.575794][ T7728]  ? __kmalloc_noprof (./include/linux/sched/mm.h:317 mm/slub.c:4636 mm/slub.c:4974 mm/slub.c:5413 mm/slub.c:5439)
[  265.575799][ T7728]  __kmalloc_noprof (./include/linux/sched/mm.h:322 (discriminator 2) mm/slub.c:4636 (discriminator 2) mm/slub.c:4974 (discriminator 2) mm/slub.c:5413 (discriminator 2) mm/slub.c:5439 (discriminator 2))
[  265.575800][ T7728]  ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[  265.575807][ T7728]  ? do_raw_spin_unlock (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:32 ./include/asm-generic/qspinlock.h:58 kernel/locking/spinlock_debug.c:101 kernel/locking/spinlock_debug.c:141)
[  265.575810][ T7728]  alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[  265.575814][ T7728]  put_chars (drivers/char/virtio_console.c:1176)
[  265.575816][ T7728]  ? __send_to_port (drivers/char/virtio_console.c:654)
[  265.575819][ T7728]  ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4116 (discriminator 3) kernel/rcu/tree.c:4108 (discriminator 3))
[  265.575822][ T7728]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380)
[  265.575825][ T7728]  ? validate_chain (kernel/locking/lockdep.c:3817 (discriminator 2) kernel/locking/lockdep.c:3837 (discriminator 2) kernel/locking/lockdep.c:3892 (discriminator 2))
[  265.575829][ T7728]  hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2))
[  265.575833][ T7728]  ? mark_usage (kernel/locking/lockdep.c:4690)
[  265.575835][ T7728]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[  265.575837][ T7728]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[  265.575841][ T7728]  ? hvc_write (drivers/tty/hvc/hvc_console.c:501)
[  265.575843][ T7728]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2))
[  265.575847][ T7728]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  265.575851][ T7728]  console_emit_next_record (kernel/printk/printk.c:3183)
[  265.575855][ T7728]  ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20)
[  265.575857][ T7728]  ? console_flush_one_record (./include/linux/rcupdate.h:314 (discriminator 2) ./include/linux/srcu.h:439 (discriminator 2) kernel/printk/printk.c:291 (discriminator 2) kernel/printk/printk.c:3246 (discriminator 2))
[  265.575860][ T7728]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  265.575862][ T7728]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  265.575866][ T7728]  console_flush_one_record (kernel/printk/printk.c:3268)
[  265.575870][ T7728]  ? console_emit_next_record (kernel/printk/printk.c:3150)
[  265.575872][ T7728]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[  265.575878][ T7728]  console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420)
[  265.575881][ T7728]  ? console_flush_one_record (kernel/printk/printk.c:3316)
[  265.575882][ T7728]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  265.575884][ T7728]  ? lock_acquire (./include/linux/srcutree.h:374 ./include/linux/srcu.h:541 ./include/linux/srcu.h:645 ./include/trace/events/lock.h:23 ./include/trace/events/lock.h:23 kernel/locking/lockdep.c:5871)
[  265.575888][ T7728]  ? __down_trylock_console_sem (kernel/printk/printk.c:334)
[  265.575890][ T7728]  ? vprintk_emit (kernel/printk/printk.c:2478)
[  265.575892][ T7728]  vprintk_emit (kernel/printk/printk.c:2479)
[  265.575895][ T7728]  ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126))
[  265.575897][ T7728]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554)
[  265.575899][ T7728]  ? genl_family_rcv_msg (net/netlink/genetlink.c:1194)
[  265.575904][ T7728]  _printk (kernel/printk/printk.c:2504)
[  265.575907][ T7728]  ? snapshot_read.cold (user.c:?)
[  265.575909][ T7728]  ? ___ratelimit (lib/ratelimit.c:97 (discriminator 3))
[  265.575915][ T7728]  ? idr_get_free (??:?)
[  265.575919][ T7728]  validate_nla.cold (lib/nlattr.c:414 (discriminator 4))
[  265.575929][ T7728]  ? nla_get_range_signed (lib/nlattr.c:270)
[  265.575934][ T7728]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  265.575936][ T7728]  ? trace_kmalloc (./include/trace/events/kmem.h:57 (discriminator 22))
[  265.575941][ T7728]  __nla_validate_parse (lib/nlattr.c:635)
[  265.575945][ T7728]  __nla_parse (lib/nlattr.c:732)
[  265.575948][ T7728]  genl_family_rcv_msg_attrs_parse.isra.0 (./include/net/netlink.h:789 (discriminator 2) net/netlink/genetlink.c:944 (discriminator 2))
[  265.575953][ T7728]  genl_family_rcv_msg_doit (net/netlink/genetlink.c:1092)
[  265.575956][ T7728]  ? genl_family_rcv_msg_attrs_parse.isra.0 (./include/net/netlink.h:785 (discriminator 2))
[  265.575964][ T7728]  ? security_capable (security/security.c:660 (discriminator 11))
[  265.575969][ T7728]  genl_family_rcv_msg (net/netlink/genetlink.c:1194)
[  265.575972][ T7728]  ? genl_family_rcv_msg_dumpit (net/netlink/genetlink.c:1079)
[  265.575975][ T7728]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380)
[  265.575978][ T7728]  ? ovs_dp_cmd_get (./include/net/net_namespace.h:422 (discriminator 7)) openvswitch
[  265.575986][ T7728]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[  265.575991][ T7728]  genl_rcv_msg (net/netlink/genetlink.c:1209)
[  265.575995][ T7728]  netlink_rcv_skb (net/netlink/af_netlink.c:2556)
[  265.575997][ T7728]  ? genl_family_rcv_msg (net/netlink/genetlink.c:1136 (discriminator 2))
[  265.576000][ T7728]  ? netlink_ack (./include/linux/skbuff.h:2718)
[  265.576007][ T7728]  ? 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))
[  265.576009][ T7728]  ? 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))
[  265.576013][ T7728]  genl_rcv (net/netlink/genetlink.c:1218)
[  265.576015][ T7728]  netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[  265.576019][ T7728]  ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[  265.576022][ T7728]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[  265.576026][ T7728]  netlink_sendmsg (net/netlink/af_netlink.c:1900)
[  265.576030][ T7728]  ? netlink_unicast (./include/net/net_namespace.h:422 (discriminator 7))
[  265.576032][ T7728]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[  265.576035][ T7728]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554)
[  265.576040][ T7728]  __sock_sendmsg (net/socket.c:800 (discriminator 4) net/socket.c:815 (discriminator 4))
[  265.576042][ T7728]  ? fdget (fs/file.c:1200 fs/file.c:1208)
[  265.576046][ T7728]  __sys_sendto (net/socket.c:2281)
[  265.576049][ T7728]  ? __ia32_sys_getpeername (net/socket.c:2235)
[  265.576060][ T7728]  ? fput_close_sync (fs/file_table.c:617)
[  265.576063][ T7728]  ? alloc_file_clone (fs/file_table.c:479)
[  265.576067][ T7728]  __x64_sys_sendto (net/socket.c:2288 net/socket.c:2284 net/socket.c:2284)
[  265.576070][ T7728]  ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22))
[  265.576073][ T7728]  ? lockdep_hardirqs_on (kernel/locking/lockdep.c:4488)
[  265.576076][ T7728]  ? do_syscall_64 (arch/x86/entry/syscall_64.c:81 (discriminator 44))
[  265.576078][ T7728]  do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84)
[  265.576080][ T7728]  ? exc_page_fault (arch/x86/mm/fault.c:1489 (discriminator 3) arch/x86/mm/fault.c:1536 (discriminator 3))
[  265.576082][ T7728]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[  265.576084][ T7728] RIP: 0033:0x7f0f73edd312
[  265.576088][ T7728] 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)
[  265.576090][ T7728] RSP: 002b:00007fff032015c8 EFLAGS: 00000246 ORIG_RAX: 000000000000002c
[  265.576093][ T7728] RAX: ffffffffffffffda RBX: 00007fff032016f8 RCX: 00007f0f73edd312
[  265.576094][ T7728] RDX: 0000000000000044 RSI: 00007f0f702a2650 RDI: 0000000000000020
[  265.576095][ T7728] RBP: 00007fff032015f0 R08: 00007fff03201770 R09: 000000000000000c
[  265.576096][ T7728] R10: 0000000000000000 R11: 0000000000000246 R12: 00007f0f71d3a0b0
[  265.576097][ T7728] R13: 00007fff032016f8 R14: 00007f0f737fc01a R15: 00007fff03201ae8
| [  266.675815][ T7760] softirqs last disabled at (383826): inet6_fill_ifla6_attrs (net/ipv6/addrconf.c:5883)
| [  266.675817][ T7760] Preemption disabled at:
| [  266.675818][ T7760] vprintk_emit (kernel/printk/printk.c:2471)
| [  266.675826][ T7760] Tainted: [W]=WARN
[  266.675827][ T7760] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[  266.675828][ T7760] Call Trace:
[  266.675830][ T7760]  <TASK>
[  266.675832][ T7760]  dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120)
[  266.675838][ T7760]  ? vprintk_emit (kernel/printk/printk.c:2471)
[  266.675839][ T7760]  __might_resched.cold (kernel/sched/core.c:9234)
[  266.675844][ T7760]  ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3))
[  266.675848][ T7760]  ? __kmalloc_noprof (./include/linux/sched/mm.h:317 mm/slub.c:4636 mm/slub.c:4974 mm/slub.c:5413 mm/slub.c:5439)
[  266.675853][ T7760]  __kmalloc_noprof (./include/linux/sched/mm.h:322 (discriminator 2) mm/slub.c:4636 (discriminator 2) mm/slub.c:4974 (discriminator 2) mm/slub.c:5413 (discriminator 2) mm/slub.c:5439 (discriminator 2))
[  266.675855][ T7760]  ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[  266.675862][ T7760]  ? do_raw_spin_unlock (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:32 ./include/asm-generic/qspinlock.h:58 kernel/locking/spinlock_debug.c:101 kernel/locking/spinlock_debug.c:141)
[  266.675864][ T7760]  alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[  266.675868][ T7760]  put_chars (drivers/char/virtio_console.c:1176)
[  266.675871][ T7760]  ? __send_to_port (drivers/char/virtio_console.c:654)
[  266.675874][ T7760]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380)
[  266.675877][ T7760]  ? validate_chain (kernel/locking/lockdep.c:3817 (discriminator 2) kernel/locking/lockdep.c:3837 (discriminator 2) kernel/locking/lockdep.c:3892 (discriminator 2))
[  266.675882][ T7760]  hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2))
[  266.675886][ T7760]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[  266.675888][ T7760]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[  266.675892][ T7760]  ? hvc_write (drivers/tty/hvc/hvc_console.c:501)
[  266.675896][ T7760]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  266.675898][ T7760]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  266.675902][ T7760]  console_emit_next_record (kernel/printk/printk.c:3183)
[  266.675907][ T7760]  ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20)
[  266.675908][ T7760]  ? console_flush_one_record (./include/linux/rcupdate.h:314 (discriminator 2) ./include/linux/srcu.h:439 (discriminator 2) kernel/printk/printk.c:291 (discriminator 2) kernel/printk/printk.c:3246 (discriminator 2))
[  266.675912][ T7760]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  266.675913][ T7760]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  266.675918][ T7760]  console_flush_one_record (kernel/printk/printk.c:3268)
[  266.675922][ T7760]  ? console_emit_next_record (kernel/printk/printk.c:3150)
[  266.675924][ T7760]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[  266.675929][ T7760]  console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420)
[  266.675932][ T7760]  ? console_flush_one_record (kernel/printk/printk.c:3316)
[  266.675934][ T7760]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  266.675936][ T7760]  ? 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)
[  266.675940][ T7760]  ? __down_trylock_console_sem (kernel/printk/printk.c:334)
[  266.675942][ T7760]  ? vprintk_emit (kernel/printk/printk.c:2478)
[  266.675945][ T7760]  vprintk_emit (kernel/printk/printk.c:2479)
[  266.675948][ T7760]  ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126))
[  266.675953][ T7760]  _printk (kernel/printk/printk.c:2504)
[  266.675957][ T7760]  ? snapshot_read.cold (user.c:?)
[  266.675960][ T7760]  ? lockdep_rtnl_is_held (./include/linux/lockdep.h:249 net/core/rtnetlink.c:182)
[  266.675963][ T7760]  ? netdev_upper_get_next_dev_rcu (net/core/dev.c:8213 (discriminator 5))
[  266.675967][ T7760]  ? __netdev_update_features (net/core/dev.c:11078 (discriminator 2))
[  266.675969][ T7760]  ? netdev_name (./include/linux/netdevice.h:5709 (discriminator 1))
[  266.675973][ T7760]  ? __netdev_printk (net/core/dev.c:13148 (discriminator 2))
[  266.675976][ T7760]  netdev_info (net/core/dev.c:13195 (discriminator 3))
[  266.675979][ T7760]  ? netdev_notice (net/core/dev.c:13194)
[  266.675981][ T7760]  ? ovs_netdev_link (net/openvswitch/vport-netdev.c:85) openvswitch
[  266.675990][ T7760]  ? 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)
[  266.675993][ T7760]  __dev_set_promiscuity.cold (net/core/dev.c:9672 (discriminator 3))
[  266.675996][ T7760]  netif_set_promiscuity (net/core/dev.c:9699)
[  266.676000][ T7760]  dev_set_promiscuity (net/core/dev_api.c:288)
[  266.676002][ T7760]  ? dev_disable_lro (net/core/dev_api.c:267)
[  266.676005][ T7760] ovs_netdev_link (net/openvswitch/vport-netdev.c:106) openvswitch
[  266.676010][ T7760] ovs_vport_add (net/openvswitch/vport.c:209) openvswitch
[  266.676015][ T7760] new_vport (net/openvswitch/datapath.c:203) openvswitch
[  266.676019][ T7760]  ? ovs_lookup_vport (./include/linux/lockdep.h:249 net/openvswitch/datapath.c:120 net/openvswitch/datapath.c:117 net/openvswitch/datapath.c:190) openvswitch
[  266.676023][ T7760] ovs_vport_cmd_new (net/openvswitch/datapath.c:2389) openvswitch
[  266.676029][ T7760]  ? ovs_vport_cmd_fill_info.isra.0 (./include/net/netlink.h:1107 (discriminator 1)) openvswitch
[  266.676033][ T7760]  ? __nla_validate_parse (lib/nlattr.c:635)
[  266.676039][ T7760]  ? __nla_parse (lib/nlattr.c:732)
[  266.676042][ T7760]  ? genl_family_rcv_msg_attrs_parse.isra.0 (./include/net/netlink.h:789 (discriminator 2) net/netlink/genetlink.c:944 (discriminator 2))
[  266.676047][ T7760]  genl_family_rcv_msg_doit (net/netlink/genetlink.c:1114)
[  266.676050][ T7760]  ? genl_family_rcv_msg_attrs_parse.isra.0 (./include/net/netlink.h:785 (discriminator 2))
[  266.676058][ T7760]  ? security_capable (security/security.c:660 (discriminator 11))
[  266.676063][ T7760]  genl_family_rcv_msg (net/netlink/genetlink.c:1194)
[  266.676066][ T7760]  ? genl_family_rcv_msg_dumpit (net/netlink/genetlink.c:1079)
[  266.676069][ T7760]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380)
[  266.676071][ T7760]  ? ovs_vport_cmd_fill_info.isra.0 (./include/net/netlink.h:1107 (discriminator 1)) openvswitch
[  266.676075][ T7760]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[  266.676081][ T7760]  genl_rcv_msg (net/netlink/genetlink.c:1209)
[  266.676084][ T7760]  netlink_rcv_skb (net/netlink/af_netlink.c:2556)
[  266.676086][ T7760]  ? genl_family_rcv_msg (net/netlink/genetlink.c:1136 (discriminator 2))
[  266.676090][ T7760]  ? netlink_ack (./include/linux/skbuff.h:2718)
[  266.676097][ T7760]  ? 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))
[  266.676099][ T7760]  ? 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))
[  266.676103][ T7760]  genl_rcv (net/netlink/genetlink.c:1218)
[  266.676105][ T7760]  netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[  266.676109][ T7760]  ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[  266.676113][ T7760]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[  266.676117][ T7760]  netlink_sendmsg (net/netlink/af_netlink.c:1900)
[  266.676121][ T7760]  ? netlink_unicast (./include/net/net_namespace.h:422 (discriminator 7))
[  266.676123][ T7760]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[  266.676126][ T7760]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554)
[  266.676131][ T7760]  __sock_sendmsg (net/socket.c:800 (discriminator 4) net/socket.c:815 (discriminator 4))
[  266.676134][ T7760]  ? fdget (fs/file.c:1200 fs/file.c:1208)
[  266.676138][ T7760]  __sys_sendto (net/socket.c:2281)
[  266.676141][ T7760]  ? __ia32_sys_getpeername (net/socket.c:2235)
[  266.676152][ T7760]  ? exc_page_fault (arch/x86/mm/fault.c:1483 arch/x86/mm/fault.c:1536)
[  266.676159][ T7760]  __x64_sys_sendto (net/socket.c:2288 net/socket.c:2284 net/socket.c:2284)
[  266.676161][ T7760]  ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22))
[  266.676165][ T7760]  ? lockdep_hardirqs_on (kernel/locking/lockdep.c:4488)
[  266.676166][ T7760]  ? do_syscall_64 (arch/x86/entry/syscall_64.c:81 (discriminator 44))
[  266.676169][ T7760]  do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84)
[  266.676171][ T7760]  ? exc_page_fault (arch/x86/mm/fault.c:1489 (discriminator 3) arch/x86/mm/fault.c:1536 (discriminator 3))
[  266.676173][ T7760]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[  266.676176][ T7760] RIP: 0033:0x7f1c6c7eb312
[  266.676179][ T7760] 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)
[  266.676181][ T7760] RSP: 002b:00007ffeb83f96b8 EFLAGS: 00000246 ORIG_RAX: 000000000000002c
[  266.676184][ T7760] RAX: ffffffffffffffda RBX: 00007ffeb83f97e8 RCX: 00007f1c6c7eb312
[  266.676185][ T7760] RDX: 0000000000000038 RSI: 00007f1c6826e3b0 RDI: 0000000000000023
[  266.676186][ T7760] RBP: 00007ffeb83f96e0 R08: 00007ffeb83f9860 R09: 000000000000000c
[  266.676187][ T7760] R10: 0000000000000000 R11: 0000000000000246 R12: 00007f1c6a652190
[  266.676188][ T7760] R13: 00007ffeb83f97e8 R14: 00007f1c6c10a01a R15: 00007ffeb83f9bd8
| [  275.778657][   T70] softirqs last disabled at (8160990): __neigh_ifdown.isra.0 (./include/linux/spinlock.h:353 net/core/neighbour.c:464)
| [  275.778659][   T70] Preemption disabled at:
| [  275.778660][   T70] vprintk_emit (kernel/printk/printk.c:2471)
| [  275.778668][   T70] Tainted: [W]=WARN
[  275.778669][   T70] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[  275.778671][   T70] Workqueue: netns cleanup_net
[  275.778674][   T70] Call Trace:
[  275.778676][   T70]  <TASK>
[  275.778678][   T70]  dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120)
[  275.778684][   T70]  ? vprintk_emit (kernel/printk/printk.c:2471)
[  275.778685][   T70]  __might_resched.cold (kernel/sched/core.c:9234)
[  275.778690][   T70]  ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3))
[  275.778694][   T70]  ? __kmalloc_noprof (./include/linux/sched/mm.h:317 mm/slub.c:4636 mm/slub.c:4974 mm/slub.c:5413 mm/slub.c:5439)
[  275.778699][   T70]  __kmalloc_noprof (./include/linux/sched/mm.h:322 (discriminator 2) mm/slub.c:4636 (discriminator 2) mm/slub.c:4974 (discriminator 2) mm/slub.c:5413 (discriminator 2) mm/slub.c:5439 (discriminator 2))
[  275.778701][   T70]  ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[  275.778708][   T70]  ? do_raw_spin_unlock (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:32 ./include/asm-generic/qspinlock.h:58 kernel/locking/spinlock_debug.c:101 kernel/locking/spinlock_debug.c:141)
[  275.778710][   T70]  alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[  275.778714][   T70]  put_chars (drivers/char/virtio_console.c:1176)
[  275.778716][   T70]  ? prb_final_commit (kernel/printk/printk_ringbuffer.c:1842)
[  275.778718][   T70]  ? __send_to_port (drivers/char/virtio_console.c:654)
[  275.778721][   T70]  ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4116 (discriminator 3) kernel/rcu/tree.c:4108 (discriminator 3))
[  275.778724][   T70]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380)
[  275.778727][   T70]  ? validate_chain (kernel/locking/lockdep.c:3817 (discriminator 2) kernel/locking/lockdep.c:3837 (discriminator 2) kernel/locking/lockdep.c:3892 (discriminator 2))
[  275.778731][   T70]  hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2))
[  275.778735][   T70]  ? mark_usage (kernel/locking/lockdep.c:4690)
[  275.778737][   T70]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[  275.778739][   T70]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[  275.778743][   T70]  ? hvc_write (drivers/tty/hvc/hvc_console.c:501)
[  275.778746][   T70]  ? console_emit_next_record (kernel/printk/printk.c:3095 (discriminator 2) kernel/printk/printk.c:3182 (discriminator 2))
[  275.778749][   T70]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  275.778751][   T70]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  275.778756][   T70]  console_emit_next_record (kernel/printk/printk.c:3183)
[  275.778760][   T70]  ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20)
[  275.778762][   T70]  ? console_flush_one_record (./include/linux/rcupdate.h:314 (discriminator 2) ./include/linux/srcu.h:439 (discriminator 2) kernel/printk/printk.c:291 (discriminator 2) kernel/printk/printk.c:3246 (discriminator 2))
[  275.778765][   T70]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  275.778767][   T70]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  275.778773][   T70]  console_flush_one_record (kernel/printk/printk.c:3268)
[  275.778777][   T70]  ? console_emit_next_record (kernel/printk/printk.c:3150)
[  275.778779][   T70]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[  275.778785][   T70]  console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420)
[  275.778788][   T70]  ? console_flush_one_record (kernel/printk/printk.c:3316)
[  275.778790][   T70]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  275.778791][   T70]  ? 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)
[  275.778795][   T70]  ? __down_trylock_console_sem (kernel/printk/printk.c:334)
[  275.778797][   T70]  ? vprintk_emit (kernel/printk/printk.c:2478)
[  275.778800][   T70]  vprintk_emit (kernel/printk/printk.c:2479)
[  275.778803][   T70]  ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126))
[  275.778806][   T70]  ? net_disable_timestamp (./include/linux/workqueue.h:761)
[  275.778808][   T70]  ? net_generic (./include/linux/rcupdate.h:882 ./include/net/netns/generic.h:48) vxlan
[  275.778817][   T70]  _printk (kernel/printk/printk.c:2504)
[  275.778821][   T70]  ? snapshot_read.cold (user.c:?)
[  275.778826][   T70]  ? netdev_name (./include/linux/netdevice.h:5709 (discriminator 1))
[  275.778829][   T70]  ? __netdev_printk (net/core/dev.c:13148 (discriminator 2))
[  275.778833][   T70]  netdev_info (net/core/dev.c:13195 (discriminator 3))
[  275.778836][   T70]  ? netdev_notice (net/core/dev.c:13194)
[  275.778838][   T70]  ? __netdev_upper_dev_unlink (net/core/dev.c:9094)
[  275.778842][   T70]  ? synchronize_rcu_expedited (kernel/rcu/tree_exp.h:985)
[  275.778848][   T70]  ? 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)
[  275.778850][   T70]  __dev_set_promiscuity.cold (net/core/dev.c:9672 (discriminator 3))
[  275.778854][   T70]  netif_set_promiscuity (net/core/dev.c:9699)
[  275.778857][   T70]  dev_set_promiscuity (net/core/dev_api.c:288)
[  275.778859][   T70]  ? rtnl_is_locked (net/core/rtnetlink.c:169)
[  275.778862][   T70] ovs_netdev_detach_dev (net/openvswitch/vport-netdev.c:174) openvswitch
[  275.778869][   T70] dp_device_event (net/openvswitch/dp_notify.c:74) openvswitch
[  275.778873][   T70]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  275.778876][   T70]  notifier_call_chain (kernel/notifier.c:85)
[  275.778882][   T70]  unregister_netdevice_many_notify (net/core/dev.c:2313 net/core/dev.c:2327 net/core/dev.c:12518)
[  275.778887][   T70]  ? unregister_netdevice_queued (./include/linux/list.h:419 (discriminator 3))
[  275.778895][   T70]  default_device_exit_batch (net/core/dev.c:12589 net/core/dev.c:13288)
[  275.778898][   T70]  ? unregister_netdevice_queue (./include/linux/list.h:173)
[  275.778901][   T70]  ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3))
[  275.778903][   T70]  ? fou_exit_net (net/ipv4/fou_core.c:1228)
[  275.778908][   T70]  ops_undo_list (net/core/net_namespace.c:206 net/core/net_namespace.c:253)
[  275.778911][   T70]  ? lockdep_hardirqs_on (kernel/locking/lockdep.c:4488)
[  275.778915][   T70]  ? netns_install (./include/linux/ns_common.h:26)
[  275.778917][   T70]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554)
[  275.778920][   T70]  ? idr_destroy (lib/radix-tree.c:310 lib/radix-tree.c:674 lib/radix-tree.c:1563)
[  275.778925][   T70]  cleanup_net (net/core/net_namespace.c:706)
[  275.778928][   T70]  ? net_passive_dec (./include/linux/llist.h:241)
[  275.778932][   T70]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  275.778934][   T70]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  275.778938][   T70]  process_one_work (kernel/workqueue.c:3387)
[  275.778944][   T70]  ? __queue_delayed_work (kernel/workqueue.c:2622)
[  275.778947][   T70]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2))
[  275.778955][   T70]  worker_thread (kernel/workqueue.c:3470 kernel/workqueue.c:3551)
[  275.778960][   T70]  ? rescuer_thread (./include/linux/list.h:419 (discriminator 3))
[  275.778962][   T70]  ? __kthread_parkme (./include/linux/instrumented.h:82 ./include/asm-generic/bitops/instrumented-non-atomic.h:141 kernel/kthread.c:272)
[  275.778965][   T70]  ? rescuer_thread (./include/linux/list.h:419 (discriminator 3))
[  275.778968][   T70]  ? rescuer_thread (./include/linux/list.h:419 (discriminator 3))
[  275.778970][   T70]  kthread (kernel/kthread.c:436)
[  275.778972][   T70]  ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22))
[  275.778975][   T70]  ? kthread_affine_preferred (kernel/kthread.c:857)
[  275.778979][   T70]  ret_from_fork (arch/x86/kernel/process.c:158)
[  275.778983][   T70]  ? arch_exit_to_user_mode_prepare.isra.0 (arch/x86/entry/vdso/vma.c:80 (discriminator 1))
[  275.778986][   T70]  ? __switch_to (arch/x86/kernel/process_64.c:403 arch/x86/kernel/process_64.c:663)
[  275.778989][   T70]  ? kthread_affine_preferred (kernel/kthread.c:857)
[  275.778992][   T70]  ret_from_fork_asm (arch/x86/entry/entry_64.S:245)
| [  278.053183][ T8014] softirqs last disabled at (371290): __alloc_skb (./include/linux/bottom_half.h:20 (discriminator 2) net/core/skbuff.c:697 (discriminator 2))
| [  278.053186][ T8014] Preemption disabled at:
| [  278.053186][ T8014] vprintk_emit (kernel/printk/printk.c:2471)
| [  278.053195][ T8014] Tainted: [W]=WARN
[  278.053196][ T8014] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[  278.053197][ T8014] Call Trace:
[  278.053199][ T8014]  <TASK>
[  278.053201][ T8014]  dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120)
[  278.053207][ T8014]  ? vprintk_emit (kernel/printk/printk.c:2471)
[  278.053208][ T8014]  __might_resched.cold (kernel/sched/core.c:9234)
[  278.053213][ T8014]  ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3))
[  278.053217][ T8014]  ? __kmalloc_noprof (./include/linux/sched/mm.h:317 mm/slub.c:4636 mm/slub.c:4974 mm/slub.c:5413 mm/slub.c:5439)
[  278.053222][ T8014]  __kmalloc_noprof (./include/linux/sched/mm.h:322 (discriminator 2) mm/slub.c:4636 (discriminator 2) mm/slub.c:4974 (discriminator 2) mm/slub.c:5413 (discriminator 2) mm/slub.c:5439 (discriminator 2))
[  278.053224][ T8014]  ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[  278.053231][ T8014]  ? do_raw_spin_unlock (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:32 ./include/asm-generic/qspinlock.h:58 kernel/locking/spinlock_debug.c:101 kernel/locking/spinlock_debug.c:141)
[  278.053234][ T8014]  alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[  278.053237][ T8014]  put_chars (drivers/char/virtio_console.c:1176)
[  278.053240][ T8014]  ? __send_to_port (drivers/char/virtio_console.c:654)
[  278.053241][ T8014]  ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4116 (discriminator 3) kernel/rcu/tree.c:4108 (discriminator 3))
[  278.053245][ T8014]  ? validate_chain (kernel/locking/lockdep.c:3817 (discriminator 2) kernel/locking/lockdep.c:3837 (discriminator 2) kernel/locking/lockdep.c:3892 (discriminator 2))
[  278.053251][ T8014]  hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2))
[  278.053259][ T8014]  ? hvc_write (drivers/tty/hvc/hvc_console.c:501)
[  278.053261][ T8014]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  278.053263][ T8014]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  278.053268][ T8014]  console_emit_next_record (kernel/printk/printk.c:3183)
[  278.053272][ T8014]  ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20)
[  278.053274][ T8014]  ? console_flush_one_record (./include/linux/rcupdate.h:314 (discriminator 2) ./include/linux/srcu.h:439 (discriminator 2) kernel/printk/printk.c:291 (discriminator 2) kernel/printk/printk.c:3246 (discriminator 2))
[  278.053277][ T8014]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  278.053279][ T8014]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  278.053283][ T8014]  console_flush_one_record (kernel/printk/printk.c:3268)
[  278.053288][ T8014]  ? console_emit_next_record (kernel/printk/printk.c:3150)
[  278.053290][ T8014]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[  278.053296][ T8014]  console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420)
[  278.053298][ T8014]  ? console_flush_one_record (kernel/printk/printk.c:3316)
[  278.053300][ T8014]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  278.053302][ T8014]  ? 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)
[  278.053306][ T8014]  ? __down_trylock_console_sem (kernel/printk/printk.c:334)
[  278.053308][ T8014]  ? vprintk_emit (kernel/printk/printk.c:2478)
[  278.053311][ T8014]  vprintk_emit (kernel/printk/printk.c:2479)
[  278.053314][ T8014]  ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126))
[  278.053316][ T8014]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380)
[  278.053319][ T8014]  ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4116 (discriminator 3) kernel/rcu/tree.c:4108 (discriminator 3))
[  278.053323][ T8014]  _printk (kernel/printk/printk.c:2504)
[  278.053327][ T8014]  ? snapshot_read.cold (user.c:?)
[  278.053331][ T8014]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  278.053333][ T8014]  ? netdev_name (./include/linux/netdevice.h:5709 (discriminator 1))
[  278.053337][ T8014]  ? __netdev_printk (net/core/dev.c:13148 (discriminator 2))
[  278.053341][ T8014]  netdev_info (net/core/dev.c:13195 (discriminator 3))
[  278.053344][ T8014]  ? netdev_notice (net/core/dev.c:13194)
[  278.053346][ T8014]  ? internal_dev_destroy (net/openvswitch/vport-internal_dev.c:178) openvswitch
[  278.053351][ T8014]  ? ww_mutex_lock (kernel/locking/mutex.c:934)
[  278.053357][ T8014]  ? 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)
[  278.053364][ T8014]  __dev_set_promiscuity.cold (net/core/dev.c:9672 (discriminator 3))
[  278.053368][ T8014]  netif_set_promiscuity (net/core/dev.c:9699)
[  278.053373][ T8014]  dev_set_promiscuity (net/core/dev_api.c:288)
[  278.053376][ T8014] internal_dev_destroy (net/openvswitch/vport-internal_dev.c:179) openvswitch
[  278.053381][ T8014] __dp_destroy (net/openvswitch/datapath.c:1969 (discriminator 1)) openvswitch
[  278.053389][ T8014] ovs_dp_cmd_del (net/openvswitch/datapath.c:2003) openvswitch
[  278.053394][ T8014]  genl_family_rcv_msg_doit (net/netlink/genetlink.c:1114)
[  278.053398][ T8014]  ? genl_family_rcv_msg_attrs_parse.isra.0 (./include/net/netlink.h:785 (discriminator 2))
[  278.053406][ T8014]  ? security_capable (security/security.c:660 (discriminator 11))
[  278.053411][ T8014]  genl_family_rcv_msg (net/netlink/genetlink.c:1194)
[  278.053414][ T8014]  ? genl_family_rcv_msg_dumpit (net/netlink/genetlink.c:1079)
[  278.053417][ T8014]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380)
[  278.053419][ T8014]  ? __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
[  278.053423][ T8014]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[  278.053429][ T8014]  genl_rcv_msg (net/netlink/genetlink.c:1209)
[  278.053432][ T8014]  netlink_rcv_skb (net/netlink/af_netlink.c:2556)
[  278.053435][ T8014]  ? genl_family_rcv_msg (net/netlink/genetlink.c:1136 (discriminator 2))
[  278.053439][ T8014]  ? netlink_ack (./include/linux/skbuff.h:2718)
[  278.053446][ T8014]  ? 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))
[  278.053448][ T8014]  ? 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))
[  278.053452][ T8014]  genl_rcv (net/netlink/genetlink.c:1218)
[  278.053455][ T8014]  netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[  278.053459][ T8014]  ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[  278.053463][ T8014]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[  278.053466][ T8014]  netlink_sendmsg (net/netlink/af_netlink.c:1900)
[  278.053471][ T8014]  ? netlink_unicast (./include/net/net_namespace.h:422 (discriminator 7))
[  278.053472][ T8014]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[  278.053475][ T8014]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554)
[  278.053480][ T8014]  __sock_sendmsg (net/socket.c:800 (discriminator 4) net/socket.c:815 (discriminator 4))
[  278.053483][ T8014]  ? fdget (fs/file.c:1200 fs/file.c:1208)
[  278.053487][ T8014]  __sys_sendto (net/socket.c:2281)
[  278.053490][ T8014]  ? __ia32_sys_getpeername (net/socket.c:2235)
[  278.053496][ T8014]  ? do_futex (kernel/futex/syscalls.c:133)
[  278.053499][ T8014]  ? __ia32_sys_get_robust_list (kernel/futex/syscalls.c:94)
[  278.053505][ T8014]  ? xfd_validate_state (arch/x86/kernel/fpu/xstate.c:1497 (discriminator 1) arch/x86/kernel/fpu/xstate.c:1543 (discriminator 1))
[  278.053512][ T8014]  __x64_sys_sendto (net/socket.c:2288 net/socket.c:2284 net/socket.c:2284)
[  278.053515][ T8014]  ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22))
[  278.053518][ T8014]  ? lockdep_hardirqs_on (kernel/locking/lockdep.c:4488)
[  278.053521][ T8014]  ? do_syscall_64 (arch/x86/entry/syscall_64.c:81 (discriminator 44))
[  278.053524][ T8014]  do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84)
[  278.053526][ T8014]  ? exc_page_fault (arch/x86/mm/fault.c:1489 (discriminator 3) arch/x86/mm/fault.c:1536 (discriminator 3))
[  278.053528][ T8014]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[  278.053531][ T8014] RIP: 0033:0x7f1ab0528312
[  278.053534][ T8014] 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)
[  278.053536][ T8014] RSP: 002b:00007ffc5f184368 EFLAGS: 00000246 ORIG_RAX: 000000000000002c
[  278.053538][ T8014] RAX: ffffffffffffffda RBX: 00007ffc5f184498 RCX: 00007f1ab0528312
[  278.053540][ T8014] RDX: 0000000000000024 RSI: 00007f1aac0ad980 RDI: 0000000000000020
[  278.053541][ T8014] RBP: 00007ffc5f184390 R08: 00007ffc5f184510 R09: 000000000000000c
[  278.053542][ T8014] R10: 0000000000000000 R11: 0000000000000246 R12: 00007f1aae391e10
[  278.053543][ T8014] R13: 00007ffc5f184498 R14: 00007f1aafe4701a R15: 00007ffc5f184888
| [  280.943967][ T8109] softirqs last disabled at (393816): __alloc_skb (./include/linux/bottom_half.h:20 (discriminator 2) net/core/skbuff.c:697 (discriminator 2))
| [  280.943969][ T8109] Preemption disabled at:
| [  280.943970][ T8109] vprintk_emit (kernel/printk/printk.c:2471)
| [  280.943978][ T8109] Tainted: [W]=WARN
[  280.943980][ T8109] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[  280.943981][ T8109] Call Trace:
[  280.943983][ T8109]  <TASK>
[  280.943984][ T8109]  dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120)
[  280.943990][ T8109]  ? vprintk_emit (kernel/printk/printk.c:2471)
[  280.943992][ T8109]  __might_resched.cold (kernel/sched/core.c:9234)
[  280.943996][ T8109]  ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3))
[  280.944001][ T8109]  ? __kmalloc_noprof (./include/linux/sched/mm.h:317 mm/slub.c:4636 mm/slub.c:4974 mm/slub.c:5413 mm/slub.c:5439)
[  280.944005][ T8109]  __kmalloc_noprof (./include/linux/sched/mm.h:322 (discriminator 2) mm/slub.c:4636 (discriminator 2) mm/slub.c:4974 (discriminator 2) mm/slub.c:5413 (discriminator 2) mm/slub.c:5439 (discriminator 2))
[  280.944007][ T8109]  ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[  280.944014][ T8109]  ? do_raw_spin_unlock (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:32 ./include/asm-generic/qspinlock.h:58 kernel/locking/spinlock_debug.c:101 kernel/locking/spinlock_debug.c:141)
[  280.944017][ T8109]  alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[  280.944021][ T8109]  put_chars (drivers/char/virtio_console.c:1176)
[  280.944023][ T8109]  ? __send_to_port (drivers/char/virtio_console.c:654)
[  280.944026][ T8109]  ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4116 (discriminator 3) kernel/rcu/tree.c:4108 (discriminator 3))
[  280.944029][ T8109]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380)
[  280.944032][ T8109]  ? validate_chain (kernel/locking/lockdep.c:3817 (discriminator 2) kernel/locking/lockdep.c:3837 (discriminator 2) kernel/locking/lockdep.c:3892 (discriminator 2))
[  280.944036][ T8109]  hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2))
[  280.944039][ T8109]  ? mark_usage (kernel/locking/lockdep.c:4690)
[  280.944041][ T8109]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[  280.944043][ T8109]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[  280.944047][ T8109]  ? hvc_write (drivers/tty/hvc/hvc_console.c:501)
[  280.944049][ T8109]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2))
[  280.944053][ T8109]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  280.944057][ T8109]  console_emit_next_record (kernel/printk/printk.c:3183)
[  280.944061][ T8109]  ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20)
[  280.944063][ T8109]  ? console_flush_one_record (./include/linux/rcupdate.h:314 (discriminator 2) ./include/linux/srcu.h:439 (discriminator 2) kernel/printk/printk.c:291 (discriminator 2) kernel/printk/printk.c:3246 (discriminator 2))
[  280.944066][ T8109]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  280.944068][ T8109]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  280.944072][ T8109]  console_flush_one_record (kernel/printk/printk.c:3268)
[  280.944076][ T8109]  ? console_emit_next_record (kernel/printk/printk.c:3150)
[  280.944078][ T8109]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[  280.944083][ T8109]  console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420)
[  280.944086][ T8109]  ? console_flush_one_record (kernel/printk/printk.c:3316)
[  280.944088][ T8109]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  280.944090][ T8109]  ? 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)
[  280.944094][ T8109]  ? __down_trylock_console_sem (kernel/printk/printk.c:334)
[  280.944095][ T8109]  ? vprintk_emit (kernel/printk/printk.c:2478)
[  280.944098][ T8109]  vprintk_emit (kernel/printk/printk.c:2479)
[  280.944101][ T8109]  ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126))
[  280.944103][ T8109]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554)
[  280.944105][ T8109]  ? genl_family_rcv_msg (net/netlink/genetlink.c:1194)
[  280.944110][ T8109]  _printk (kernel/printk/printk.c:2504)
[  280.944113][ T8109]  ? snapshot_read.cold (user.c:?)
[  280.944115][ T8109]  ? ___ratelimit (lib/ratelimit.c:97 (discriminator 3))
[  280.944121][ T8109]  ? idr_get_free (??:?)
[  280.944125][ T8109]  validate_nla.cold (lib/nlattr.c:414 (discriminator 4))
[  280.944134][ T8109]  ? nla_get_range_signed (lib/nlattr.c:270)
[  280.944140][ T8109]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  280.944141][ T8109]  ? trace_kmalloc (./include/trace/events/kmem.h:57 (discriminator 22))
[  280.944146][ T8109]  __nla_validate_parse (lib/nlattr.c:635)
[  280.944151][ T8109]  __nla_parse (lib/nlattr.c:732)
[  280.944153][ T8109]  genl_family_rcv_msg_attrs_parse.isra.0 (./include/net/netlink.h:789 (discriminator 2) net/netlink/genetlink.c:944 (discriminator 2))
[  280.944158][ T8109]  genl_family_rcv_msg_doit (net/netlink/genetlink.c:1092)
[  280.944162][ T8109]  ? genl_family_rcv_msg_attrs_parse.isra.0 (./include/net/netlink.h:785 (discriminator 2))
[  280.944170][ T8109]  ? security_capable (security/security.c:660 (discriminator 11))
[  280.944174][ T8109]  genl_family_rcv_msg (net/netlink/genetlink.c:1194)
[  280.944178][ T8109]  ? genl_family_rcv_msg_dumpit (net/netlink/genetlink.c:1079)
[  280.944180][ T8109]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380)
[  280.944183][ T8109]  ? ovs_dp_cmd_get (./include/net/net_namespace.h:422 (discriminator 7)) openvswitch
[  280.944191][ T8109]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[  280.944196][ T8109]  genl_rcv_msg (net/netlink/genetlink.c:1209)
[  280.944200][ T8109]  netlink_rcv_skb (net/netlink/af_netlink.c:2556)
[  280.944202][ T8109]  ? genl_family_rcv_msg (net/netlink/genetlink.c:1136 (discriminator 2))
[  280.944205][ T8109]  ? netlink_ack (./include/linux/skbuff.h:2718)
[  280.944212][ T8109]  ? 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))
[  280.944214][ T8109]  ? 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))
[  280.944218][ T8109]  genl_rcv (net/netlink/genetlink.c:1218)
[  280.944220][ T8109]  netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[  280.944224][ T8109]  ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[  280.944228][ T8109]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[  280.944231][ T8109]  netlink_sendmsg (net/netlink/af_netlink.c:1900)
[  280.944235][ T8109]  ? netlink_unicast (./include/net/net_namespace.h:422 (discriminator 7))
[  280.944237][ T8109]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[  280.944240][ T8109]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554)
[  280.944244][ T8109]  __sock_sendmsg (net/socket.c:800 (discriminator 4) net/socket.c:815 (discriminator 4))
[  280.944247][ T8109]  ? fdget (fs/file.c:1200 fs/file.c:1208)
[  280.944251][ T8109]  __sys_sendto (net/socket.c:2281)
[  280.944254][ T8109]  ? __ia32_sys_getpeername (net/socket.c:2235)
[  280.944260][ T8109]  ? rcutree_report_cpu_dead (kernel/rcu/tree.c:4507)
[  280.944268][ T8109]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554)
[  280.944272][ T8109]  __x64_sys_sendto (net/socket.c:2288 net/socket.c:2284 net/socket.c:2284)
[  280.944274][ T8109]  ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22))
[  280.944277][ T8109]  ? lockdep_hardirqs_on (kernel/locking/lockdep.c:4488)
[  280.944280][ T8109]  ? do_syscall_64 (arch/x86/entry/syscall_64.c:81 (discriminator 44))
[  280.944282][ T8109]  do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84)
[  280.944284][ T8109]  ? irq_exit_rcu (kernel/softirq.c:786)
[  280.944288][ T8109]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[  280.944291][ T8109] RIP: 0033:0x7feb00407312
[  280.944294][ T8109] 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)
[  280.944296][ T8109] RSP: 002b:00007ffcedfec9e8 EFLAGS: 00000246 ORIG_RAX: 000000000000002c
[  280.944299][ T8109] RAX: ffffffffffffffda RBX: 00007ffcedfecb18 RCX: 00007feb00407312
[  280.944300][ T8109] RDX: 0000000000000044 RSI: 00007feafe13f0a0 RDI: 0000000000000020
[  280.944301][ T8109] RBP: 00007ffcedfeca10 R08: 00007ffcedfecb90 R09: 000000000000000c
[  280.944302][ T8109] R10: 0000000000000000 R11: 0000000000000246 R12: 00007feafe26a0b0
[  280.944303][ T8109] R13: 00007ffcedfecb18 R14: 00007feaffd2601a R15: 00007ffcedfecf08
| [  282.014274][ T8139] softirqs last disabled at (380750): inet6_fill_ifla6_attrs (net/ipv6/addrconf.c:5883)
| [  282.014276][ T8139] Preemption disabled at:
| [  282.014277][ T8139] vprintk_emit (kernel/printk/printk.c:2471)
| [  282.014286][ T8139] Tainted: [W]=WARN
[  282.014286][ T8139] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[  282.014288][ T8139] Call Trace:
[  282.014290][ T8139]  <TASK>
[  282.014291][ T8139]  dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120)
[  282.014297][ T8139]  ? vprintk_emit (kernel/printk/printk.c:2471)
[  282.014299][ T8139]  __might_resched.cold (kernel/sched/core.c:9234)
[  282.014303][ T8139]  ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3))
[  282.014308][ T8139]  ? __kmalloc_noprof (./include/linux/sched/mm.h:317 mm/slub.c:4636 mm/slub.c:4974 mm/slub.c:5413 mm/slub.c:5439)
[  282.014312][ T8139]  __kmalloc_noprof (./include/linux/sched/mm.h:322 (discriminator 2) mm/slub.c:4636 (discriminator 2) mm/slub.c:4974 (discriminator 2) mm/slub.c:5413 (discriminator 2) mm/slub.c:5439 (discriminator 2))
[  282.014314][ T8139]  ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[  282.014321][ T8139]  ? do_raw_spin_unlock (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:32 ./include/asm-generic/qspinlock.h:58 kernel/locking/spinlock_debug.c:101 kernel/locking/spinlock_debug.c:141)
[  282.014323][ T8139]  alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[  282.014327][ T8139]  put_chars (drivers/char/virtio_console.c:1176)
[  282.014330][ T8139]  ? __send_to_port (drivers/char/virtio_console.c:654)
[  282.014333][ T8139]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380)
[  282.014336][ T8139]  ? validate_chain (kernel/locking/lockdep.c:3817 (discriminator 2) kernel/locking/lockdep.c:3837 (discriminator 2) kernel/locking/lockdep.c:3892 (discriminator 2))
[  282.014341][ T8139]  hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2))
[  282.014345][ T8139]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[  282.014347][ T8139]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[  282.014351][ T8139]  ? hvc_write (drivers/tty/hvc/hvc_console.c:501)
[  282.014355][ T8139]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  282.014357][ T8139]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  282.014361][ T8139]  console_emit_next_record (kernel/printk/printk.c:3183)
[  282.014370][ T8139]  ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20)
[  282.014372][ T8139]  ? console_flush_one_record (./include/linux/rcupdate.h:314 (discriminator 2) ./include/linux/srcu.h:439 (discriminator 2) kernel/printk/printk.c:291 (discriminator 2) kernel/printk/printk.c:3246 (discriminator 2))
[  282.014376][ T8139]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  282.014378][ T8139]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  282.014382][ T8139]  console_flush_one_record (kernel/printk/printk.c:3268)
[  282.014386][ T8139]  ? console_emit_next_record (kernel/printk/printk.c:3150)
[  282.014388][ T8139]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[  282.014394][ T8139]  console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420)
[  282.014397][ T8139]  ? console_flush_one_record (kernel/printk/printk.c:3316)
[  282.014399][ T8139]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  282.014400][ T8139]  ? 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)
[  282.014404][ T8139]  ? __down_trylock_console_sem (kernel/printk/printk.c:334)
[  282.014406][ T8139]  ? vprintk_emit (kernel/printk/printk.c:2478)
[  282.014409][ T8139]  vprintk_emit (kernel/printk/printk.c:2479)
[  282.014412][ T8139]  ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126))
[  282.014418][ T8139]  _printk (kernel/printk/printk.c:2504)
[  282.014421][ T8139]  ? snapshot_read.cold (user.c:?)
[  282.014424][ T8139]  ? lockdep_rtnl_is_held (./include/linux/lockdep.h:249 net/core/rtnetlink.c:182)
[  282.014427][ T8139]  ? netdev_upper_get_next_dev_rcu (net/core/dev.c:8213 (discriminator 5))
[  282.014431][ T8139]  ? __netdev_update_features (net/core/dev.c:11078 (discriminator 2))
[  282.014433][ T8139]  ? netdev_name (./include/linux/netdevice.h:5709 (discriminator 1))
[  282.014437][ T8139]  ? __netdev_printk (net/core/dev.c:13148 (discriminator 2))
[  282.014441][ T8139]  netdev_info (net/core/dev.c:13195 (discriminator 3))
[  282.014444][ T8139]  ? netdev_notice (net/core/dev.c:13194)
[  282.014445][ T8139]  ? ovs_netdev_link (net/openvswitch/vport-netdev.c:85) openvswitch
[  282.014454][ T8139]  ? 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)
[  282.014457][ T8139]  __dev_set_promiscuity.cold (net/core/dev.c:9672 (discriminator 3))
[  282.014460][ T8139]  netif_set_promiscuity (net/core/dev.c:9699)
[  282.014464][ T8139]  dev_set_promiscuity (net/core/dev_api.c:288)
[  282.014466][ T8139]  ? dev_disable_lro (net/core/dev_api.c:267)
[  282.014469][ T8139] ovs_netdev_link (net/openvswitch/vport-netdev.c:106) openvswitch
[  282.014474][ T8139] ovs_vport_add (net/openvswitch/vport.c:209) openvswitch
[  282.014479][ T8139] new_vport (net/openvswitch/datapath.c:203) openvswitch
[  282.014483][ T8139]  ? ovs_lookup_vport (./include/linux/lockdep.h:249 net/openvswitch/datapath.c:120 net/openvswitch/datapath.c:117 net/openvswitch/datapath.c:190) openvswitch
[  282.014487][ T8139] ovs_vport_cmd_new (net/openvswitch/datapath.c:2389) openvswitch
[  282.014493][ T8139]  ? ovs_vport_cmd_fill_info.isra.0 (./include/net/netlink.h:1107 (discriminator 1)) openvswitch
[  282.014496][ T8139]  ? __nla_validate_parse (lib/nlattr.c:635)
[  282.014503][ T8139]  ? __nla_parse (lib/nlattr.c:732)
[  282.014505][ T8139]  ? genl_family_rcv_msg_attrs_parse.isra.0 (./include/net/netlink.h:789 (discriminator 2) net/netlink/genetlink.c:944 (discriminator 2))
[  282.014510][ T8139]  genl_family_rcv_msg_doit (net/netlink/genetlink.c:1114)
[  282.014514][ T8139]  ? genl_family_rcv_msg_attrs_parse.isra.0 (./include/net/netlink.h:785 (discriminator 2))
[  282.014522][ T8139]  ? security_capable (security/security.c:660 (discriminator 11))
[  282.014527][ T8139]  genl_family_rcv_msg (net/netlink/genetlink.c:1194)
[  282.014531][ T8139]  ? genl_family_rcv_msg_dumpit (net/netlink/genetlink.c:1079)
[  282.014533][ T8139]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380)
[  282.014535][ T8139]  ? ovs_vport_cmd_fill_info.isra.0 (./include/net/netlink.h:1107 (discriminator 1)) openvswitch
[  282.014539][ T8139]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[  282.014545][ T8139]  genl_rcv_msg (net/netlink/genetlink.c:1209)
[  282.014548][ T8139]  netlink_rcv_skb (net/netlink/af_netlink.c:2556)
[  282.014550][ T8139]  ? genl_family_rcv_msg (net/netlink/genetlink.c:1136 (discriminator 2))
[  282.014554][ T8139]  ? netlink_ack (./include/linux/skbuff.h:2718)
[  282.014561][ T8139]  ? 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))
[  282.014563][ T8139]  ? 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))
[  282.014567][ T8139]  genl_rcv (net/netlink/genetlink.c:1218)
[  282.014569][ T8139]  netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[  282.014573][ T8139]  ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[  282.014577][ T8139]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[  282.014581][ T8139]  netlink_sendmsg (net/netlink/af_netlink.c:1900)
[  282.014585][ T8139]  ? netlink_unicast (./include/net/net_namespace.h:422 (discriminator 7))
[  282.014587][ T8139]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[  282.014590][ T8139]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554)
[  282.014595][ T8139]  __sock_sendmsg (net/socket.c:800 (discriminator 4) net/socket.c:815 (discriminator 4))
[  282.014598][ T8139]  ? fdget (fs/file.c:1200 fs/file.c:1208)
[  282.014602][ T8139]  __sys_sendto (net/socket.c:2281)
[  282.014605][ T8139]  ? __ia32_sys_getpeername (net/socket.c:2235)
[  282.014616][ T8139]  ? exc_page_fault (arch/x86/mm/fault.c:1483 arch/x86/mm/fault.c:1536)
[  282.014622][ T8139]  __x64_sys_sendto (net/socket.c:2288 net/socket.c:2284 net/socket.c:2284)
[  282.014625][ T8139]  ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22))
[  282.014628][ T8139]  ? lockdep_hardirqs_on (kernel/locking/lockdep.c:4488)
[  282.014630][ T8139]  ? do_syscall_64 (arch/x86/entry/syscall_64.c:81 (discriminator 44))
[  282.014632][ T8139]  do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84)
[  282.014634][ T8139]  ? exc_page_fault (arch/x86/mm/fault.c:1489 (discriminator 3) arch/x86/mm/fault.c:1536 (discriminator 3))
[  282.014637][ T8139]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[  282.014639][ T8139] RIP: 0033:0x7f66ce219312
[  282.014642][ T8139] 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)
[  282.014644][ T8139] RSP: 002b:00007ffc765ff928 EFLAGS: 00000246 ORIG_RAX: 000000000000002c
[  282.014647][ T8139] RAX: ffffffffffffffda RBX: 00007ffc765ffa58 RCX: 00007f66ce219312
[  282.014648][ T8139] RDX: 0000000000000038 RSI: 00007f66c848a530 RDI: 0000000000000023
[  282.014649][ T8139] RBP: 00007ffc765ff950 R08: 00007ffc765ffad0 R09: 000000000000000c
[  282.014650][ T8139] R10: 0000000000000000 R11: 0000000000000246 R12: 00007f66cc076190
[  282.014651][ T8139] R13: 00007ffc765ffa58 R14: 00007f66cdb3801a R15: 00007ffc765ffe48
| [  291.137792][   T70] softirqs last disabled at (8362316): __neigh_ifdown.isra.0 (./include/linux/spinlock.h:353 net/core/neighbour.c:464)
| [  291.137794][   T70] Preemption disabled at:
| [  291.137795][   T70] vprintk_emit (kernel/printk/printk.c:2471)
| [  291.137804][   T70] Tainted: [W]=WARN
[  291.137805][   T70] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[  291.137806][   T70] Workqueue: netns cleanup_net
[  291.137810][   T70] Call Trace:
[  291.137811][   T70]  <TASK>
[  291.137813][   T70]  dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120)
[  291.137819][   T70]  ? vprintk_emit (kernel/printk/printk.c:2471)
[  291.137821][   T70]  __might_resched.cold (kernel/sched/core.c:9234)
[  291.137826][   T70]  ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3))
[  291.137830][   T70]  ? __kmalloc_noprof (./include/linux/sched/mm.h:317 mm/slub.c:4636 mm/slub.c:4974 mm/slub.c:5413 mm/slub.c:5439)
[  291.137834][   T70]  __kmalloc_noprof (./include/linux/sched/mm.h:322 (discriminator 2) mm/slub.c:4636 (discriminator 2) mm/slub.c:4974 (discriminator 2) mm/slub.c:5413 (discriminator 2) mm/slub.c:5439 (discriminator 2))
[  291.137836][   T70]  ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[  291.137843][   T70]  ? do_raw_spin_unlock (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:32 ./include/asm-generic/qspinlock.h:58 kernel/locking/spinlock_debug.c:101 kernel/locking/spinlock_debug.c:141)
[  291.137846][   T70]  alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[  291.137850][   T70]  put_chars (drivers/char/virtio_console.c:1176)
[  291.137851][   T70]  ? prb_final_commit (kernel/printk/printk_ringbuffer.c:1842)
[  291.137854][   T70]  ? __send_to_port (drivers/char/virtio_console.c:654)
[  291.137857][   T70]  ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4116 (discriminator 3) kernel/rcu/tree.c:4108 (discriminator 3))
[  291.137860][   T70]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380)
[  291.137863][   T70]  ? validate_chain (kernel/locking/lockdep.c:3817 (discriminator 2) kernel/locking/lockdep.c:3837 (discriminator 2) kernel/locking/lockdep.c:3892 (discriminator 2))
[  291.137867][   T70]  hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2))
[  291.137871][   T70]  ? mark_usage (kernel/locking/lockdep.c:4690)
[  291.137874][   T70]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[  291.137875][   T70]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[  291.137879][   T70]  ? hvc_write (drivers/tty/hvc/hvc_console.c:501)
[  291.137882][   T70]  ? console_emit_next_record (kernel/printk/printk.c:3095 (discriminator 2) kernel/printk/printk.c:3182 (discriminator 2))
[  291.137885][   T70]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  291.137887][   T70]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  291.137891][   T70]  console_emit_next_record (kernel/printk/printk.c:3183)
[  291.137896][   T70]  ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20)
[  291.137897][   T70]  ? console_flush_one_record (./include/linux/rcupdate.h:314 (discriminator 2) ./include/linux/srcu.h:439 (discriminator 2) kernel/printk/printk.c:291 (discriminator 2) kernel/printk/printk.c:3246 (discriminator 2))
[  291.137901][   T70]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  291.137903][   T70]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  291.137907][   T70]  console_flush_one_record (kernel/printk/printk.c:3268)
[  291.137911][   T70]  ? console_emit_next_record (kernel/printk/printk.c:3150)
[  291.137913][   T70]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[  291.137918][   T70]  console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420)
[  291.137921][   T70]  ? console_flush_one_record (kernel/printk/printk.c:3316)
[  291.137923][   T70]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  291.137925][   T70]  ? lock_acquire (./include/linux/srcutree.h:374 ./include/linux/srcu.h:541 ./include/linux/srcu.h:645 ./include/trace/events/lock.h:23 ./include/trace/events/lock.h:23 kernel/locking/lockdep.c:5871)
[  291.137929][   T70]  ? __down_trylock_console_sem (kernel/printk/printk.c:334)
[  291.137930][   T70]  ? vprintk_emit (kernel/printk/printk.c:2478)
[  291.137933][   T70]  vprintk_emit (kernel/printk/printk.c:2479)
[  291.137936][   T70]  ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126))
[  291.137939][   T70]  ? net_disable_timestamp (./include/linux/workqueue.h:761)
[  291.137941][   T70]  ? net_generic (./include/linux/rcupdate.h:882 ./include/net/netns/generic.h:48) vxlan
[  291.137950][   T70]  _printk (kernel/printk/printk.c:2504)
[  291.137953][   T70]  ? snapshot_read.cold (user.c:?)
[  291.137958][   T70]  ? netdev_name (./include/linux/netdevice.h:5709 (discriminator 1))
[  291.137962][   T70]  ? __netdev_printk (net/core/dev.c:13148 (discriminator 2))
[  291.137966][   T70]  netdev_info (net/core/dev.c:13195 (discriminator 3))
[  291.137969][   T70]  ? netdev_notice (net/core/dev.c:13194)
[  291.137970][   T70]  ? __netdev_upper_dev_unlink (net/core/dev.c:9094)
[  291.137975][   T70]  ? synchronize_rcu_expedited (kernel/rcu/tree_exp.h:985)
[  291.137980][   T70]  ? mutex_is_locked (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:3188 kernel/locking/mutex.h:48 kernel/locking/mutex.c:65)
[  291.137982][   T70]  __dev_set_promiscuity.cold (net/core/dev.c:9672 (discriminator 3))
[  291.137986][   T70]  netif_set_promiscuity (net/core/dev.c:9699)
[  291.137989][   T70]  dev_set_promiscuity (net/core/dev_api.c:288)
[  291.137991][   T70]  ? rtnl_is_locked (net/core/rtnetlink.c:169)
[  291.137994][   T70] ovs_netdev_detach_dev (net/openvswitch/vport-netdev.c:174) openvswitch
[  291.138001][   T70] dp_device_event (net/openvswitch/dp_notify.c:74) openvswitch
[  291.138006][   T70]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  291.138008][   T70]  notifier_call_chain (kernel/notifier.c:85)
[  291.138013][   T70]  unregister_netdevice_many_notify (net/core/dev.c:2313 net/core/dev.c:2327 net/core/dev.c:12518)
[  291.138018][   T70]  ? unregister_netdevice_queued (./include/linux/list.h:419 (discriminator 3))
[  291.138026][   T70]  default_device_exit_batch (net/core/dev.c:12589 net/core/dev.c:13288)
[  291.138029][   T70]  ? unregister_netdevice_queue (./include/linux/list.h:173)
[  291.138032][   T70]  ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3))
[  291.138035][   T70]  ? fou_exit_net (net/ipv4/fou_core.c:1228)
[  291.138039][   T70]  ops_undo_list (net/core/net_namespace.c:206 net/core/net_namespace.c:253)
[  291.138043][   T70]  ? lockdep_hardirqs_on (kernel/locking/lockdep.c:4488)
[  291.138046][   T70]  ? netns_install (./include/linux/ns_common.h:26)
[  291.138048][   T70]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554)
[  291.138051][   T70]  ? idr_destroy (lib/radix-tree.c:310 lib/radix-tree.c:674 lib/radix-tree.c:1563)
[  291.138056][   T70]  cleanup_net (net/core/net_namespace.c:706)
[  291.138059][   T70]  ? net_passive_dec (./include/linux/llist.h:241)
[  291.138063][   T70]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  291.138065][   T70]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  291.138069][   T70]  process_one_work (kernel/workqueue.c:3387)
[  291.138075][   T70]  ? __queue_delayed_work (kernel/workqueue.c:2622)
[  291.138078][   T70]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2))
[  291.138086][   T70]  worker_thread (kernel/workqueue.c:3470 kernel/workqueue.c:3551)
[  291.138090][   T70]  ? rescuer_thread (./include/linux/list.h:419 (discriminator 3))
[  291.138092][   T70]  ? __kthread_parkme (./include/linux/instrumented.h:82 ./include/asm-generic/bitops/instrumented-non-atomic.h:141 kernel/kthread.c:272)
[  291.138095][   T70]  ? rescuer_thread (./include/linux/list.h:419 (discriminator 3))
[  291.138098][   T70]  ? rescuer_thread (./include/linux/list.h:419 (discriminator 3))
[  291.138100][   T70]  kthread (kernel/kthread.c:436)
[  291.138102][   T70]  ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22))
[  291.138106][   T70]  ? kthread_affine_preferred (kernel/kthread.c:857)
[  291.138109][   T70]  ret_from_fork (arch/x86/kernel/process.c:158)
[  291.138113][   T70]  ? arch_exit_to_user_mode_prepare.isra.0 (arch/x86/entry/vdso/vma.c:80 (discriminator 1))
[  291.138116][   T70]  ? __switch_to (arch/x86/kernel/process_64.c:403 arch/x86/kernel/process_64.c:663)
[  291.138120][   T70]  ? kthread_affine_preferred (kernel/kthread.c:857)
[  291.138123][   T70]  ret_from_fork_asm (arch/x86/entry/entry_64.S:245)
| [  293.432932][ T8392] softirqs last disabled at (380852): __alloc_skb (./include/linux/bottom_half.h:20 (discriminator 2) net/core/skbuff.c:697 (discriminator 2))
| [  293.432935][ T8392] Preemption disabled at:
| [  293.432936][ T8392] vprintk_emit (kernel/printk/printk.c:2471)
| [  293.432944][ T8392] Tainted: [W]=WARN
[  293.432945][ T8392] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[  293.432947][ T8392] Call Trace:
[  293.432948][ T8392]  <TASK>
[  293.432950][ T8392]  dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120)
[  293.432955][ T8392]  ? vprintk_emit (kernel/printk/printk.c:2471)
[  293.432957][ T8392]  __might_resched.cold (kernel/sched/core.c:9234)
[  293.432962][ T8392]  ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3))
[  293.432966][ T8392]  ? __kmalloc_noprof (./include/linux/sched/mm.h:317 mm/slub.c:4636 mm/slub.c:4974 mm/slub.c:5413 mm/slub.c:5439)
[  293.432970][ T8392]  __kmalloc_noprof (./include/linux/sched/mm.h:322 (discriminator 2) mm/slub.c:4636 (discriminator 2) mm/slub.c:4974 (discriminator 2) mm/slub.c:5413 (discriminator 2) mm/slub.c:5439 (discriminator 2))
[  293.432972][ T8392]  ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[  293.432979][ T8392]  ? do_raw_spin_unlock (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:32 ./include/asm-generic/qspinlock.h:58 kernel/locking/spinlock_debug.c:101 kernel/locking/spinlock_debug.c:141)
[  293.432981][ T8392]  alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[  293.432985][ T8392]  put_chars (drivers/char/virtio_console.c:1176)
[  293.432988][ T8392]  ? __send_to_port (drivers/char/virtio_console.c:654)
[  293.432989][ T8392]  ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4116 (discriminator 3) kernel/rcu/tree.c:4108 (discriminator 3))
[  293.432992][ T8392]  ? validate_chain (kernel/locking/lockdep.c:3817 (discriminator 2) kernel/locking/lockdep.c:3837 (discriminator 2) kernel/locking/lockdep.c:3892 (discriminator 2))
[  293.432998][ T8392]  hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2))
[  293.433005][ T8392]  ? hvc_write (drivers/tty/hvc/hvc_console.c:501)
[  293.433008][ T8392]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  293.433010][ T8392]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  293.433014][ T8392]  console_emit_next_record (kernel/printk/printk.c:3183)
[  293.433018][ T8392]  ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20)
[  293.433020][ T8392]  ? console_flush_one_record (./include/linux/rcupdate.h:314 (discriminator 2) ./include/linux/srcu.h:439 (discriminator 2) kernel/printk/printk.c:291 (discriminator 2) kernel/printk/printk.c:3246 (discriminator 2))
[  293.433023][ T8392]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  293.433025][ T8392]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  293.433029][ T8392]  console_flush_one_record (kernel/printk/printk.c:3268)
[  293.433033][ T8392]  ? console_emit_next_record (kernel/printk/printk.c:3150)
[  293.433035][ T8392]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[  293.433041][ T8392]  console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420)
[  293.433044][ T8392]  ? console_flush_one_record (kernel/printk/printk.c:3316)
[  293.433046][ T8392]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  293.433047][ T8392]  ? 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)
[  293.433051][ T8392]  ? __down_trylock_console_sem (kernel/printk/printk.c:334)
[  293.433053][ T8392]  ? vprintk_emit (kernel/printk/printk.c:2478)
[  293.433056][ T8392]  vprintk_emit (kernel/printk/printk.c:2479)
[  293.433059][ T8392]  ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126))
[  293.433061][ T8392]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380)
[  293.433063][ T8392]  ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4116 (discriminator 3) kernel/rcu/tree.c:4108 (discriminator 3))
[  293.433067][ T8392]  _printk (kernel/printk/printk.c:2504)
[  293.433071][ T8392]  ? snapshot_read.cold (user.c:?)
[  293.433075][ T8392]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  293.433076][ T8392]  ? netdev_name (./include/linux/netdevice.h:5709 (discriminator 1))
[  293.433080][ T8392]  ? __netdev_printk (net/core/dev.c:13148 (discriminator 2))
[  293.433084][ T8392]  netdev_info (net/core/dev.c:13195 (discriminator 3))
[  293.433087][ T8392]  ? netdev_notice (net/core/dev.c:13194)
[  293.433089][ T8392]  ? internal_dev_destroy (net/openvswitch/vport-internal_dev.c:178) openvswitch
[  293.433094][ T8392]  ? ww_mutex_lock (kernel/locking/mutex.c:934)
[  293.433100][ T8392]  ? 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)
[  293.433103][ T8392]  __dev_set_promiscuity.cold (net/core/dev.c:9672 (discriminator 3))
[  293.433106][ T8392]  netif_set_promiscuity (net/core/dev.c:9699)
[  293.433111][ T8392]  dev_set_promiscuity (net/core/dev_api.c:288)
[  293.433114][ T8392] internal_dev_destroy (net/openvswitch/vport-internal_dev.c:179) openvswitch
[  293.433119][ T8392] __dp_destroy (net/openvswitch/datapath.c:1969 (discriminator 1)) openvswitch
[  293.433126][ T8392] ovs_dp_cmd_del (net/openvswitch/datapath.c:2003) openvswitch
[  293.433131][ T8392]  genl_family_rcv_msg_doit (net/netlink/genetlink.c:1114)
[  293.433134][ T8392]  ? genl_family_rcv_msg_attrs_parse.isra.0 (./include/net/netlink.h:785 (discriminator 2))
[  293.433143][ T8392]  ? security_capable (security/security.c:660 (discriminator 11))
[  293.433147][ T8392]  genl_family_rcv_msg (net/netlink/genetlink.c:1194)
[  293.433151][ T8392]  ? genl_family_rcv_msg_dumpit (net/netlink/genetlink.c:1079)
[  293.433153][ T8392]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380)
[  293.433156][ T8392]  ? __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
[  293.433160][ T8392]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[  293.433165][ T8392]  genl_rcv_msg (net/netlink/genetlink.c:1209)
[  293.433169][ T8392]  netlink_rcv_skb (net/netlink/af_netlink.c:2556)
[  293.433171][ T8392]  ? genl_family_rcv_msg (net/netlink/genetlink.c:1136 (discriminator 2))
[  293.433174][ T8392]  ? netlink_ack (./include/linux/skbuff.h:2718)
[  293.433181][ T8392]  ? 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))
[  293.433183][ T8392]  ? 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))
[  293.433187][ T8392]  genl_rcv (net/netlink/genetlink.c:1218)
[  293.433189][ T8392]  netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[  293.433193][ T8392]  ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[  293.433197][ T8392]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[  293.433201][ T8392]  netlink_sendmsg (net/netlink/af_netlink.c:1900)
[  293.433205][ T8392]  ? netlink_unicast (./include/net/net_namespace.h:422 (discriminator 7))
[  293.433206][ T8392]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[  293.433209][ T8392]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554)
[  293.433214][ T8392]  __sock_sendmsg (net/socket.c:800 (discriminator 4) net/socket.c:815 (discriminator 4))
[  293.433217][ T8392]  ? fdget (fs/file.c:1200 fs/file.c:1208)
[  293.433221][ T8392]  __sys_sendto (net/socket.c:2281)
[  293.433224][ T8392]  ? __ia32_sys_getpeername (net/socket.c:2235)
[  293.433235][ T8392]  ? exc_page_fault (arch/x86/mm/fault.c:1483 arch/x86/mm/fault.c:1536)
[  293.433240][ T8392]  __x64_sys_sendto (net/socket.c:2288 net/socket.c:2284 net/socket.c:2284)
[  293.433242][ T8392]  ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22))
[  293.433246][ T8392]  ? lockdep_hardirqs_on (kernel/locking/lockdep.c:4488)
[  293.433248][ T8392]  ? do_syscall_64 (arch/x86/entry/syscall_64.c:81 (discriminator 44))
[  293.433250][ T8392]  do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84)
[  293.433252][ T8392]  ? exc_page_fault (arch/x86/mm/fault.c:1489 (discriminator 3) arch/x86/mm/fault.c:1536 (discriminator 3))
[  293.433255][ T8392]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[  293.433257][ T8392] RIP: 0033:0x7f37c024f312
[  293.433260][ T8392] 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)
[  293.433262][ T8392] RSP: 002b:00007ffca1cc6318 EFLAGS: 00000246 ORIG_RAX: 000000000000002c
[  293.433265][ T8392] RAX: ffffffffffffffda RBX: 00007ffca1cc6448 RCX: 00007f37c024f312
[  293.433266][ T8392] RDX: 0000000000000024 RSI: 00007f37bc5ed2c0 RDI: 0000000000000020
[  293.433267][ T8392] RBP: 00007ffca1cc6340 R08: 00007ffca1cc64c0 R09: 000000000000000c
[  293.433268][ T8392] R10: 0000000000000000 R11: 0000000000000246 R12: 00007f37be0b1e10
[  293.433269][ T8392] R13: 00007ffca1cc6448 R14: 00007f37bfb6e01a R15: 00007ffca1cc6838
| [  296.529666][ T8499] softirqs last disabled at (392532): __alloc_skb (./include/linux/bottom_half.h:20 (discriminator 2) net/core/skbuff.c:697 (discriminator 2))
| [  296.529668][ T8499] Preemption disabled at:
| [  296.529668][ T8499] vprintk_emit (kernel/printk/printk.c:2471)
| [  296.529677][ T8499] Tainted: [W]=WARN
[  296.529678][ T8499] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[  296.529679][ T8499] Call Trace:
[  296.529681][ T8499]  <TASK>
[  296.529683][ T8499]  dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120)
[  296.529688][ T8499]  ? vprintk_emit (kernel/printk/printk.c:2471)
[  296.529690][ T8499]  __might_resched.cold (kernel/sched/core.c:9234)
[  296.529695][ T8499]  ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3))
[  296.529699][ T8499]  ? __kmalloc_noprof (./include/linux/sched/mm.h:317 mm/slub.c:4636 mm/slub.c:4974 mm/slub.c:5413 mm/slub.c:5439)
[  296.529703][ T8499]  __kmalloc_noprof (./include/linux/sched/mm.h:322 (discriminator 2) mm/slub.c:4636 (discriminator 2) mm/slub.c:4974 (discriminator 2) mm/slub.c:5413 (discriminator 2) mm/slub.c:5439 (discriminator 2))
[  296.529705][ T8499]  ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[  296.529712][ T8499]  ? do_raw_spin_unlock (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:32 ./include/asm-generic/qspinlock.h:58 kernel/locking/spinlock_debug.c:101 kernel/locking/spinlock_debug.c:141)
[  296.529715][ T8499]  alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[  296.529719][ T8499]  put_chars (drivers/char/virtio_console.c:1176)
[  296.529721][ T8499]  ? __send_to_port (drivers/char/virtio_console.c:654)
[  296.529724][ T8499]  ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4116 (discriminator 3) kernel/rcu/tree.c:4108 (discriminator 3))
[  296.529727][ T8499]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380)
[  296.529730][ T8499]  ? validate_chain (kernel/locking/lockdep.c:3817 (discriminator 2) kernel/locking/lockdep.c:3837 (discriminator 2) kernel/locking/lockdep.c:3892 (discriminator 2))
[  296.529734][ T8499]  hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2))
[  296.529738][ T8499]  ? mark_usage (kernel/locking/lockdep.c:4690)
[  296.529740][ T8499]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[  296.529742][ T8499]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[  296.529746][ T8499]  ? hvc_write (drivers/tty/hvc/hvc_console.c:501)
[  296.529748][ T8499]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2))
[  296.529752][ T8499]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  296.529756][ T8499]  console_emit_next_record (kernel/printk/printk.c:3183)
[  296.529760][ T8499]  ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20)
[  296.529762][ T8499]  ? console_flush_one_record (./include/linux/rcupdate.h:314 (discriminator 2) ./include/linux/srcu.h:439 (discriminator 2) kernel/printk/printk.c:291 (discriminator 2) kernel/printk/printk.c:3246 (discriminator 2))
[  296.529765][ T8499]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  296.529771][ T8499]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  296.529775][ T8499]  console_flush_one_record (kernel/printk/printk.c:3268)
[  296.529779][ T8499]  ? console_emit_next_record (kernel/printk/printk.c:3150)
[  296.529781][ T8499]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[  296.529786][ T8499]  console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420)
[  296.529789][ T8499]  ? console_flush_one_record (kernel/printk/printk.c:3316)
[  296.529791][ T8499]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  296.529792][ T8499]  ? 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)
[  296.529796][ T8499]  ? __down_trylock_console_sem (kernel/printk/printk.c:334)
[  296.529798][ T8499]  ? vprintk_emit (kernel/printk/printk.c:2478)
[  296.529801][ T8499]  vprintk_emit (kernel/printk/printk.c:2479)
[  296.529804][ T8499]  ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126))
[  296.529806][ T8499]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554)
[  296.529807][ T8499]  ? genl_family_rcv_msg (net/netlink/genetlink.c:1194)
[  296.529812][ T8499]  _printk (kernel/printk/printk.c:2504)
[  296.529816][ T8499]  ? snapshot_read.cold (user.c:?)
[  296.529817][ T8499]  ? ___ratelimit (lib/ratelimit.c:97 (discriminator 3))
[  296.529823][ T8499]  ? idr_get_free (??:?)
[  296.529828][ T8499]  validate_nla.cold (lib/nlattr.c:414 (discriminator 4))
[  296.529836][ T8499]  ? nla_get_range_signed (lib/nlattr.c:270)
[  296.529842][ T8499]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  296.529844][ T8499]  ? trace_kmalloc (./include/trace/events/kmem.h:57 (discriminator 22))
[  296.529848][ T8499]  __nla_validate_parse (lib/nlattr.c:635)
[  296.529853][ T8499]  __nla_parse (lib/nlattr.c:732)
[  296.529856][ T8499]  genl_family_rcv_msg_attrs_parse.isra.0 (./include/net/netlink.h:789 (discriminator 2) net/netlink/genetlink.c:944 (discriminator 2))
[  296.529861][ T8499]  genl_family_rcv_msg_doit (net/netlink/genetlink.c:1092)
[  296.529864][ T8499]  ? genl_family_rcv_msg_attrs_parse.isra.0 (./include/net/netlink.h:785 (discriminator 2))
[  296.529872][ T8499]  ? security_capable (security/security.c:660 (discriminator 11))
[  296.529877][ T8499]  genl_family_rcv_msg (net/netlink/genetlink.c:1194)
[  296.529880][ T8499]  ? genl_family_rcv_msg_dumpit (net/netlink/genetlink.c:1079)
[  296.529883][ T8499]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380)
[  296.529886][ T8499]  ? ovs_dp_cmd_get (./include/net/net_namespace.h:422 (discriminator 7)) openvswitch
[  296.529893][ T8499]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[  296.529899][ T8499]  genl_rcv_msg (net/netlink/genetlink.c:1209)
[  296.529902][ T8499]  netlink_rcv_skb (net/netlink/af_netlink.c:2556)
[  296.529904][ T8499]  ? genl_family_rcv_msg (net/netlink/genetlink.c:1136 (discriminator 2))
[  296.529908][ T8499]  ? netlink_ack (./include/linux/skbuff.h:2718)
[  296.529914][ T8499]  ? 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))
[  296.529916][ T8499]  ? 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))
[  296.529920][ T8499]  genl_rcv (net/netlink/genetlink.c:1218)
[  296.529922][ T8499]  netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[  296.529926][ T8499]  ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[  296.529930][ T8499]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[  296.529933][ T8499]  netlink_sendmsg (net/netlink/af_netlink.c:1900)
[  296.529937][ T8499]  ? netlink_unicast (./include/net/net_namespace.h:422 (discriminator 7))
[  296.529939][ T8499]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[  296.529942][ T8499]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554)
[  296.529947][ T8499]  __sock_sendmsg (net/socket.c:800 (discriminator 4) net/socket.c:815 (discriminator 4))
[  296.529949][ T8499]  ? fdget (fs/file.c:1200 fs/file.c:1208)
[  296.529953][ T8499]  __sys_sendto (net/socket.c:2281)
[  296.529956][ T8499]  ? __ia32_sys_getpeername (net/socket.c:2235)
[  296.529967][ T8499]  ? fput_close_sync (fs/file_table.c:617)
[  296.529970][ T8499]  ? alloc_file_clone (fs/file_table.c:479)
[  296.529974][ T8499]  __x64_sys_sendto (net/socket.c:2288 net/socket.c:2284 net/socket.c:2284)
[  296.529976][ T8499]  ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22))
[  296.529980][ T8499]  ? lockdep_hardirqs_on (kernel/locking/lockdep.c:4488)
[  296.529982][ T8499]  ? do_syscall_64 (arch/x86/entry/syscall_64.c:81 (discriminator 44))
[  296.529985][ T8499]  do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84)
[  296.529986][ T8499]  ? exc_page_fault (arch/x86/mm/fault.c:1489 (discriminator 3) arch/x86/mm/fault.c:1536 (discriminator 3))
[  296.529989][ T8499]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[  296.529991][ T8499] RIP: 0033:0x7f44a9fef312
[  296.529995][ T8499] 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)
[  296.529997][ T8499] RSP: 002b:00007ffd110e31f8 EFLAGS: 00000246 ORIG_RAX: 000000000000002c
[  296.529999][ T8499] RAX: ffffffffffffffda RBX: 00007ffd110e3328 RCX: 00007f44a9fef312
[  296.530001][ T8499] RDX: 0000000000000044 RSI: 00007f44a7d12a60 RDI: 0000000000000020
[  296.530002][ T8499] RBP: 00007ffd110e3220 R08: 00007ffd110e33a0 R09: 000000000000000c
[  296.530003][ T8499] R10: 0000000000000000 R11: 0000000000000246 R12: 00007f44a7e520b0
[  296.530004][ T8499] R13: 00007ffd110e3328 R14: 00007f44a990e01a R15: 00007ffd110e3718
| [  297.616774][ T8531] softirqs last disabled at (389436): inet6_fill_ifla6_attrs (net/ipv6/addrconf.c:5883)
| [  297.616776][ T8531] Preemption disabled at:
| [  297.616777][ T8531] vprintk_emit (kernel/printk/printk.c:2471)
| [  297.616785][ T8531] Tainted: [W]=WARN
[  297.616786][ T8531] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[  297.616788][ T8531] Call Trace:
[  297.616789][ T8531]  <TASK>
[  297.616791][ T8531]  dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120)
[  297.616796][ T8531]  ? vprintk_emit (kernel/printk/printk.c:2471)
[  297.616798][ T8531]  __might_resched.cold (kernel/sched/core.c:9234)
[  297.616803][ T8531]  ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3))
[  297.616807][ T8531]  ? __kmalloc_noprof (./include/linux/sched/mm.h:317 mm/slub.c:4636 mm/slub.c:4974 mm/slub.c:5413 mm/slub.c:5439)
[  297.616811][ T8531]  __kmalloc_noprof (./include/linux/sched/mm.h:322 (discriminator 2) mm/slub.c:4636 (discriminator 2) mm/slub.c:4974 (discriminator 2) mm/slub.c:5413 (discriminator 2) mm/slub.c:5439 (discriminator 2))
[  297.616813][ T8531]  ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[  297.616820][ T8531]  ? do_raw_spin_unlock (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:32 ./include/asm-generic/qspinlock.h:58 kernel/locking/spinlock_debug.c:101 kernel/locking/spinlock_debug.c:141)
[  297.616823][ T8531]  alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[  297.616827][ T8531]  put_chars (drivers/char/virtio_console.c:1176)
[  297.616829][ T8531]  ? __send_to_port (drivers/char/virtio_console.c:654)
[  297.616833][ T8531]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380)
[  297.616836][ T8531]  ? validate_chain (kernel/locking/lockdep.c:3817 (discriminator 2) kernel/locking/lockdep.c:3837 (discriminator 2) kernel/locking/lockdep.c:3892 (discriminator 2))
[  297.616840][ T8531]  hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2))
[  297.616844][ T8531]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[  297.616846][ T8531]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[  297.616851][ T8531]  ? hvc_write (drivers/tty/hvc/hvc_console.c:501)
[  297.616854][ T8531]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  297.616857][ T8531]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  297.616861][ T8531]  console_emit_next_record (kernel/printk/printk.c:3183)
[  297.616865][ T8531]  ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20)
[  297.616867][ T8531]  ? console_flush_one_record (./include/linux/rcupdate.h:314 (discriminator 2) ./include/linux/srcu.h:439 (discriminator 2) kernel/printk/printk.c:291 (discriminator 2) kernel/printk/printk.c:3246 (discriminator 2))
[  297.616870][ T8531]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  297.616872][ T8531]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  297.616876][ T8531]  console_flush_one_record (kernel/printk/printk.c:3268)
[  297.616881][ T8531]  ? console_emit_next_record (kernel/printk/printk.c:3150)
[  297.616883][ T8531]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[  297.616888][ T8531]  console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420)
[  297.616891][ T8531]  ? console_flush_one_record (kernel/printk/printk.c:3316)
[  297.616893][ T8531]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  297.616895][ T8531]  ? 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)
[  297.616899][ T8531]  ? __down_trylock_console_sem (kernel/printk/printk.c:334)
[  297.616901][ T8531]  ? vprintk_emit (kernel/printk/printk.c:2478)
[  297.616903][ T8531]  vprintk_emit (kernel/printk/printk.c:2479)
[  297.616907][ T8531]  ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126))
[  297.616912][ T8531]  _printk (kernel/printk/printk.c:2504)
[  297.616916][ T8531]  ? snapshot_read.cold (user.c:?)
[  297.616918][ T8531]  ? lockdep_rtnl_is_held (./include/linux/lockdep.h:249 net/core/rtnetlink.c:182)
[  297.616922][ T8531]  ? netdev_upper_get_next_dev_rcu (net/core/dev.c:8213 (discriminator 5))
[  297.616926][ T8531]  ? __netdev_update_features (net/core/dev.c:11078 (discriminator 2))
[  297.616927][ T8531]  ? netdev_name (./include/linux/netdevice.h:5709 (discriminator 1))
[  297.616931][ T8531]  ? __netdev_printk (net/core/dev.c:13148 (discriminator 2))
[  297.616935][ T8531]  netdev_info (net/core/dev.c:13195 (discriminator 3))
[  297.616938][ T8531]  ? netdev_notice (net/core/dev.c:13194)
[  297.616940][ T8531]  ? ovs_netdev_link (net/openvswitch/vport-netdev.c:85) openvswitch
[  297.616949][ T8531]  ? 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)
[  297.616951][ T8531]  __dev_set_promiscuity.cold (net/core/dev.c:9672 (discriminator 3))
[  297.616955][ T8531]  netif_set_promiscuity (net/core/dev.c:9699)
[  297.616959][ T8531]  dev_set_promiscuity (net/core/dev_api.c:288)
[  297.616961][ T8531]  ? dev_disable_lro (net/core/dev_api.c:267)
[  297.616963][ T8531] ovs_netdev_link (net/openvswitch/vport-netdev.c:106) openvswitch
[  297.616968][ T8531] ovs_vport_add (net/openvswitch/vport.c:209) openvswitch
[  297.616973][ T8531] new_vport (net/openvswitch/datapath.c:203) openvswitch
[  297.616977][ T8531]  ? ovs_lookup_vport (./include/linux/lockdep.h:249 net/openvswitch/datapath.c:120 net/openvswitch/datapath.c:117 net/openvswitch/datapath.c:190) openvswitch
[  297.616982][ T8531] ovs_vport_cmd_new (net/openvswitch/datapath.c:2389) openvswitch
[  297.616988][ T8531]  ? ovs_vport_cmd_fill_info.isra.0 (./include/net/netlink.h:1107 (discriminator 1)) openvswitch
[  297.616991][ T8531]  ? __nla_validate_parse (lib/nlattr.c:635)
[  297.616998][ T8531]  ? __nla_parse (lib/nlattr.c:732)
[  297.617000][ T8531]  ? genl_family_rcv_msg_attrs_parse.isra.0 (./include/net/netlink.h:789 (discriminator 2) net/netlink/genetlink.c:944 (discriminator 2))
[  297.617005][ T8531]  genl_family_rcv_msg_doit (net/netlink/genetlink.c:1114)
[  297.617009][ T8531]  ? genl_family_rcv_msg_attrs_parse.isra.0 (./include/net/netlink.h:785 (discriminator 2))
[  297.617017][ T8531]  ? security_capable (security/security.c:660 (discriminator 11))
[  297.617021][ T8531]  genl_family_rcv_msg (net/netlink/genetlink.c:1194)
[  297.617025][ T8531]  ? genl_family_rcv_msg_dumpit (net/netlink/genetlink.c:1079)
[  297.617028][ T8531]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380)
[  297.617030][ T8531]  ? ovs_vport_cmd_fill_info.isra.0 (./include/net/netlink.h:1107 (discriminator 1)) openvswitch
[  297.617034][ T8531]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[  297.617040][ T8531]  genl_rcv_msg (net/netlink/genetlink.c:1209)
[  297.617043][ T8531]  netlink_rcv_skb (net/netlink/af_netlink.c:2556)
[  297.617045][ T8531]  ? genl_family_rcv_msg (net/netlink/genetlink.c:1136 (discriminator 2))
[  297.617049][ T8531]  ? netlink_ack (./include/linux/skbuff.h:2718)
[  297.617056][ T8531]  ? 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))
[  297.617058][ T8531]  ? 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))
[  297.617062][ T8531]  genl_rcv (net/netlink/genetlink.c:1218)
[  297.617064][ T8531]  netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[  297.617068][ T8531]  ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[  297.617072][ T8531]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[  297.617076][ T8531]  netlink_sendmsg (net/netlink/af_netlink.c:1900)
[  297.617080][ T8531]  ? netlink_unicast (./include/net/net_namespace.h:422 (discriminator 7))
[  297.617082][ T8531]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[  297.617085][ T8531]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554)
[  297.617090][ T8531]  __sock_sendmsg (net/socket.c:800 (discriminator 4) net/socket.c:815 (discriminator 4))
[  297.617093][ T8531]  ? fdget (fs/file.c:1200 fs/file.c:1208)
[  297.617096][ T8531]  __sys_sendto (net/socket.c:2281)
[  297.617099][ T8531]  ? __ia32_sys_getpeername (net/socket.c:2235)
[  297.617110][ T8531]  ? exc_page_fault (arch/x86/mm/fault.c:1483 arch/x86/mm/fault.c:1536)
[  297.617117][ T8531]  __x64_sys_sendto (net/socket.c:2288 net/socket.c:2284 net/socket.c:2284)
[  297.617119][ T8531]  ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22))
[  297.617123][ T8531]  ? lockdep_hardirqs_on (kernel/locking/lockdep.c:4488)
[  297.617125][ T8531]  ? do_syscall_64 (arch/x86/entry/syscall_64.c:81 (discriminator 44))
[  297.617127][ T8531]  do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84)
[  297.617129][ T8531]  ? exc_page_fault (arch/x86/mm/fault.c:1489 (discriminator 3) arch/x86/mm/fault.c:1536 (discriminator 3))
[  297.617132][ T8531]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[  297.617134][ T8531] RIP: 0033:0x7f49f00ee312
[  297.617137][ T8531] 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)
[  297.617139][ T8531] RSP: 002b:00007fff9c2cd588 EFLAGS: 00000246 ORIG_RAX: 000000000000002c
[  297.617142][ T8531] RAX: ffffffffffffffda RBX: 00007fff9c2cd6b8 RCX: 00007f49f00ee312
[  297.617143][ T8531] RDX: 0000000000000038 RSI: 00007f49ec36f530 RDI: 0000000000000023
[  297.617144][ T8531] RBP: 00007fff9c2cd5b0 R08: 00007fff9c2cd730 R09: 000000000000000c
[  297.617145][ T8531] R10: 0000000000000000 R11: 0000000000000246 R12: 00007f49edf52190
[  297.617146][ T8531] R13: 00007fff9c2cd6b8 R14: 00007f49efa0d01a R15: 00007fff9c2cdaa8
| [  306.641299][   T70] softirqs last disabled at (8563388): __neigh_ifdown.isra.0 (./include/linux/spinlock.h:353 net/core/neighbour.c:464)
| [  306.641301][   T70] Preemption disabled at:
| [  306.641302][   T70] vprintk_emit (kernel/printk/printk.c:2471)
| [  306.641310][   T70] Tainted: [W]=WARN
[  306.641311][   T70] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[  306.641313][   T70] Workqueue: netns cleanup_net
[  306.641316][   T70] Call Trace:
[  306.641318][   T70]  <TASK>
[  306.641320][   T70]  dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120)
[  306.641326][   T70]  ? vprintk_emit (kernel/printk/printk.c:2471)
[  306.641327][   T70]  __might_resched.cold (kernel/sched/core.c:9234)
[  306.641332][   T70]  ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3))
[  306.641336][   T70]  ? __kmalloc_noprof (./include/linux/sched/mm.h:317 mm/slub.c:4636 mm/slub.c:4974 mm/slub.c:5413 mm/slub.c:5439)
[  306.641340][   T70]  __kmalloc_noprof (./include/linux/sched/mm.h:322 (discriminator 2) mm/slub.c:4636 (discriminator 2) mm/slub.c:4974 (discriminator 2) mm/slub.c:5413 (discriminator 2) mm/slub.c:5439 (discriminator 2))
[  306.641342][   T70]  ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[  306.641349][   T70]  ? do_raw_spin_unlock (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:32 ./include/asm-generic/qspinlock.h:58 kernel/locking/spinlock_debug.c:101 kernel/locking/spinlock_debug.c:141)
[  306.641352][   T70]  alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[  306.641356][   T70]  put_chars (drivers/char/virtio_console.c:1176)
[  306.641358][   T70]  ? prb_final_commit (kernel/printk/printk_ringbuffer.c:1842)
[  306.641360][   T70]  ? __send_to_port (drivers/char/virtio_console.c:654)
[  306.641363][   T70]  ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4116 (discriminator 3) kernel/rcu/tree.c:4108 (discriminator 3))
[  306.641366][   T70]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380)
[  306.641369][   T70]  ? validate_chain (kernel/locking/lockdep.c:3817 (discriminator 2) kernel/locking/lockdep.c:3837 (discriminator 2) kernel/locking/lockdep.c:3892 (discriminator 2))
[  306.641373][   T70]  hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2))
[  306.641377][   T70]  ? mark_usage (kernel/locking/lockdep.c:4690)
[  306.641379][   T70]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[  306.641381][   T70]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[  306.641385][   T70]  ? hvc_write (drivers/tty/hvc/hvc_console.c:501)
[  306.641388][   T70]  ? console_emit_next_record (kernel/printk/printk.c:3095 (discriminator 2) kernel/printk/printk.c:3182 (discriminator 2))
[  306.641391][   T70]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  306.641393][   T70]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  306.641398][   T70]  console_emit_next_record (kernel/printk/printk.c:3183)
[  306.641402][   T70]  ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20)
[  306.641403][   T70]  ? console_flush_one_record (./include/linux/rcupdate.h:314 (discriminator 2) ./include/linux/srcu.h:439 (discriminator 2) kernel/printk/printk.c:291 (discriminator 2) kernel/printk/printk.c:3246 (discriminator 2))
[  306.641412][   T70]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  306.641414][   T70]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  306.641418][   T70]  console_flush_one_record (kernel/printk/printk.c:3268)
[  306.641423][   T70]  ? console_emit_next_record (kernel/printk/printk.c:3150)
[  306.641425][   T70]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[  306.641430][   T70]  console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420)
[  306.641433][   T70]  ? console_flush_one_record (kernel/printk/printk.c:3316)
[  306.641435][   T70]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  306.641437][   T70]  ? 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)
[  306.641441][   T70]  ? __down_trylock_console_sem (kernel/printk/printk.c:334)
[  306.641443][   T70]  ? vprintk_emit (kernel/printk/printk.c:2478)
[  306.641445][   T70]  vprintk_emit (kernel/printk/printk.c:2479)
[  306.641449][   T70]  ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126))
[  306.641452][   T70]  ? net_disable_timestamp (./include/linux/workqueue.h:761)
[  306.641454][   T70]  ? net_generic (./include/linux/rcupdate.h:882 ./include/net/netns/generic.h:48) vxlan
[  306.641463][   T70]  _printk (kernel/printk/printk.c:2504)
[  306.641467][   T70]  ? snapshot_read.cold (user.c:?)
[  306.641471][   T70]  ? netdev_name (./include/linux/netdevice.h:5709 (discriminator 1))
[  306.641475][   T70]  ? __netdev_printk (net/core/dev.c:13148 (discriminator 2))
[  306.641479][   T70]  netdev_info (net/core/dev.c:13195 (discriminator 3))
[  306.641482][   T70]  ? netdev_notice (net/core/dev.c:13194)
[  306.641484][   T70]  ? __netdev_upper_dev_unlink (net/core/dev.c:9094)
[  306.641488][   T70]  ? synchronize_rcu_expedited (kernel/rcu/tree_exp.h:985)
[  306.641493][   T70]  ? 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)
[  306.641496][   T70]  __dev_set_promiscuity.cold (net/core/dev.c:9672 (discriminator 3))
[  306.641500][   T70]  netif_set_promiscuity (net/core/dev.c:9699)
[  306.641503][   T70]  dev_set_promiscuity (net/core/dev_api.c:288)
[  306.641505][   T70]  ? rtnl_is_locked (net/core/rtnetlink.c:169)
[  306.641508][   T70] ovs_netdev_detach_dev (net/openvswitch/vport-netdev.c:174) openvswitch
[  306.641515][   T70] dp_device_event (net/openvswitch/dp_notify.c:74) openvswitch
[  306.641519][   T70]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  306.641522][   T70]  notifier_call_chain (kernel/notifier.c:85)
[  306.641527][   T70]  unregister_netdevice_many_notify (net/core/dev.c:2313 net/core/dev.c:2327 net/core/dev.c:12518)
[  306.641532][   T70]  ? unregister_netdevice_queued (./include/linux/list.h:419 (discriminator 3))
[  306.641540][   T70]  default_device_exit_batch (net/core/dev.c:12589 net/core/dev.c:13288)
[  306.641544][   T70]  ? unregister_netdevice_queue (./include/linux/list.h:173)
[  306.641546][   T70]  ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3))
[  306.641549][   T70]  ? fou_exit_net (net/ipv4/fou_core.c:1228)
[  306.641553][   T70]  ops_undo_list (net/core/net_namespace.c:206 net/core/net_namespace.c:253)
[  306.641557][   T70]  ? lockdep_hardirqs_on (kernel/locking/lockdep.c:4488)
[  306.641561][   T70]  ? netns_install (./include/linux/ns_common.h:26)
[  306.641562][   T70]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554)
[  306.641566][   T70]  ? idr_destroy (lib/radix-tree.c:310 lib/radix-tree.c:674 lib/radix-tree.c:1563)
[  306.641571][   T70]  cleanup_net (net/core/net_namespace.c:706)
[  306.641574][   T70]  ? net_passive_dec (./include/linux/llist.h:241)
[  306.641578][   T70]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  306.641580][   T70]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  306.641583][   T70]  process_one_work (kernel/workqueue.c:3387)
[  306.641590][   T70]  ? __queue_delayed_work (kernel/workqueue.c:2622)
[  306.641593][   T70]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2))
[  306.641601][   T70]  worker_thread (kernel/workqueue.c:3470 kernel/workqueue.c:3551)
[  306.641605][   T70]  ? rescuer_thread (./include/linux/list.h:419 (discriminator 3))
[  306.641607][   T70]  ? __kthread_parkme (./include/linux/instrumented.h:82 ./include/asm-generic/bitops/instrumented-non-atomic.h:141 kernel/kthread.c:272)
[  306.641610][   T70]  ? rescuer_thread (./include/linux/list.h:419 (discriminator 3))
[  306.641613][   T70]  ? rescuer_thread (./include/linux/list.h:419 (discriminator 3))
[  306.641615][   T70]  kthread (kernel/kthread.c:436)
[  306.641617][   T70]  ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22))
[  306.641621][   T70]  ? kthread_affine_preferred (kernel/kthread.c:857)
[  306.641624][   T70]  ret_from_fork (arch/x86/kernel/process.c:158)
[  306.641628][   T70]  ? arch_exit_to_user_mode_prepare.isra.0 (arch/x86/entry/vdso/vma.c:80 (discriminator 1))
[  306.641632][   T70]  ? __switch_to (arch/x86/kernel/process_64.c:403 arch/x86/kernel/process_64.c:663)
[  306.641635][   T70]  ? kthread_affine_preferred (kernel/kthread.c:857)
[  306.641638][   T70]  ret_from_fork_asm (arch/x86/entry/entry_64.S:245)
| [  308.934962][ T8785] softirqs last disabled at (376750): __alloc_skb (./include/linux/bottom_half.h:20 (discriminator 2) net/core/skbuff.c:697 (discriminator 2))
| [  308.934965][ T8785] Preemption disabled at:
| [  308.934965][ T8785] vprintk_emit (kernel/printk/printk.c:2471)
| [  308.934974][ T8785] Tainted: [W]=WARN
[  308.934975][ T8785] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[  308.934977][ T8785] Call Trace:
[  308.934978][ T8785]  <TASK>
[  308.934980][ T8785]  dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120)
[  308.934986][ T8785]  ? vprintk_emit (kernel/printk/printk.c:2471)
[  308.934987][ T8785]  __might_resched.cold (kernel/sched/core.c:9234)
[  308.934992][ T8785]  ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3))
[  308.934996][ T8785]  ? __kmalloc_noprof (./include/linux/sched/mm.h:317 mm/slub.c:4636 mm/slub.c:4974 mm/slub.c:5413 mm/slub.c:5439)
[  308.935001][ T8785]  __kmalloc_noprof (./include/linux/sched/mm.h:322 (discriminator 2) mm/slub.c:4636 (discriminator 2) mm/slub.c:4974 (discriminator 2) mm/slub.c:5413 (discriminator 2) mm/slub.c:5439 (discriminator 2))
[  308.935003][ T8785]  ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[  308.935009][ T8785]  ? do_raw_spin_unlock (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:32 ./include/asm-generic/qspinlock.h:58 kernel/locking/spinlock_debug.c:101 kernel/locking/spinlock_debug.c:141)
[  308.935012][ T8785]  alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[  308.935016][ T8785]  put_chars (drivers/char/virtio_console.c:1176)
[  308.935018][ T8785]  ? __send_to_port (drivers/char/virtio_console.c:654)
[  308.935020][ T8785]  ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4116 (discriminator 3) kernel/rcu/tree.c:4108 (discriminator 3))
[  308.935023][ T8785]  ? validate_chain (kernel/locking/lockdep.c:3817 (discriminator 2) kernel/locking/lockdep.c:3837 (discriminator 2) kernel/locking/lockdep.c:3892 (discriminator 2))
[  308.935029][ T8785]  hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2))
[  308.935036][ T8785]  ? hvc_write (drivers/tty/hvc/hvc_console.c:501)
[  308.935039][ T8785]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  308.935041][ T8785]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  308.935045][ T8785]  console_emit_next_record (kernel/printk/printk.c:3183)
[  308.935049][ T8785]  ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20)
[  308.935051][ T8785]  ? console_flush_one_record (./include/linux/rcupdate.h:314 (discriminator 2) ./include/linux/srcu.h:439 (discriminator 2) kernel/printk/printk.c:291 (discriminator 2) kernel/printk/printk.c:3246 (discriminator 2))
[  308.935054][ T8785]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  308.935056][ T8785]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  308.935060][ T8785]  console_flush_one_record (kernel/printk/printk.c:3268)
[  308.935064][ T8785]  ? console_emit_next_record (kernel/printk/printk.c:3150)
[  308.935066][ T8785]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[  308.935072][ T8785]  console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420)
[  308.935075][ T8785]  ? console_flush_one_record (kernel/printk/printk.c:3316)
[  308.935077][ T8785]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  308.935079][ T8785]  ? lock_acquire (./include/linux/srcutree.h:374 ./include/linux/srcu.h:541 ./include/linux/srcu.h:645 ./include/trace/events/lock.h:23 ./include/trace/events/lock.h:23 kernel/locking/lockdep.c:5871)
[  308.935083][ T8785]  ? __down_trylock_console_sem (kernel/printk/printk.c:334)
[  308.935084][ T8785]  ? vprintk_emit (kernel/printk/printk.c:2478)
[  308.935087][ T8785]  vprintk_emit (kernel/printk/printk.c:2479)
[  308.935090][ T8785]  ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126))
[  308.935092][ T8785]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380)
[  308.935095][ T8785]  ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4116 (discriminator 3) kernel/rcu/tree.c:4108 (discriminator 3))
[  308.935099][ T8785]  _printk (kernel/printk/printk.c:2504)
[  308.935103][ T8785]  ? snapshot_read.cold (user.c:?)
[  308.935107][ T8785]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  308.935108][ T8785]  ? netdev_name (./include/linux/netdevice.h:5709 (discriminator 1))
[  308.935112][ T8785]  ? __netdev_printk (net/core/dev.c:13148 (discriminator 2))
[  308.935116][ T8785]  netdev_info (net/core/dev.c:13195 (discriminator 3))
[  308.935119][ T8785]  ? netdev_notice (net/core/dev.c:13194)
[  308.935120][ T8785]  ? internal_dev_destroy (net/openvswitch/vport-internal_dev.c:178) openvswitch
[  308.935126][ T8785]  ? ww_mutex_lock (kernel/locking/mutex.c:934)
[  308.935132][ T8785]  ? mutex_is_locked (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:3188 kernel/locking/mutex.h:48 kernel/locking/mutex.c:65)
[  308.935135][ T8785]  __dev_set_promiscuity.cold (net/core/dev.c:9672 (discriminator 3))
[  308.935138][ T8785]  netif_set_promiscuity (net/core/dev.c:9699)
[  308.935143][ T8785]  dev_set_promiscuity (net/core/dev_api.c:288)
[  308.935146][ T8785] internal_dev_destroy (net/openvswitch/vport-internal_dev.c:179) openvswitch
[  308.935152][ T8785] __dp_destroy (net/openvswitch/datapath.c:1969 (discriminator 1)) openvswitch
[  308.935159][ T8785] ovs_dp_cmd_del (net/openvswitch/datapath.c:2003) openvswitch
[  308.935164][ T8785]  genl_family_rcv_msg_doit (net/netlink/genetlink.c:1114)
[  308.935168][ T8785]  ? genl_family_rcv_msg_attrs_parse.isra.0 (./include/net/netlink.h:785 (discriminator 2))
[  308.935176][ T8785]  ? security_capable (security/security.c:660 (discriminator 11))
[  308.935181][ T8785]  genl_family_rcv_msg (net/netlink/genetlink.c:1194)
[  308.935184][ T8785]  ? genl_family_rcv_msg_dumpit (net/netlink/genetlink.c:1079)
[  308.935187][ T8785]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380)
[  308.935189][ T8785]  ? __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
[  308.935193][ T8785]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[  308.935199][ T8785]  genl_rcv_msg (net/netlink/genetlink.c:1209)
[  308.935202][ T8785]  netlink_rcv_skb (net/netlink/af_netlink.c:2556)
[  308.935204][ T8785]  ? genl_family_rcv_msg (net/netlink/genetlink.c:1136 (discriminator 2))
[  308.935208][ T8785]  ? netlink_ack (./include/linux/skbuff.h:2718)
[  308.935215][ T8785]  ? netlink_deliver_tap (./include/linux/rcupdate.h:319 (discriminator 2) ./include/linux/rcupdate.h:880 (discriminator 2) ./include/net/netns/generic.h:48 (discriminator 2) net/netlink/af_netlink.c:334 (discriminator 2))
[  308.935217][ T8785]  ? netlink_deliver_tap (./include/linux/rcupdate.h:319 (discriminator 2) ./include/linux/rcupdate.h:880 (discriminator 2) net/netlink/af_netlink.c:341 (discriminator 2))
[  308.935221][ T8785]  genl_rcv (net/netlink/genetlink.c:1218)
[  308.935223][ T8785]  netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[  308.935228][ T8785]  ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[  308.935231][ T8785]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[  308.935235][ T8785]  netlink_sendmsg (net/netlink/af_netlink.c:1900)
[  308.935239][ T8785]  ? netlink_unicast (./include/net/net_namespace.h:422 (discriminator 7))
[  308.935241][ T8785]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[  308.935244][ T8785]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554)
[  308.935249][ T8785]  __sock_sendmsg (net/socket.c:800 (discriminator 4) net/socket.c:815 (discriminator 4))
[  308.935251][ T8785]  ? fdget (fs/file.c:1200 fs/file.c:1208)
[  308.935255][ T8785]  __sys_sendto (net/socket.c:2281)
[  308.935258][ T8785]  ? __ia32_sys_getpeername (net/socket.c:2235)
[  308.935264][ T8785]  ? rcutree_report_cpu_dead (kernel/rcu/tree.c:4507)
[  308.935272][ T8785]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554)
[  308.935276][ T8785]  __x64_sys_sendto (net/socket.c:2288 net/socket.c:2284 net/socket.c:2284)
[  308.935278][ T8785]  ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22))
[  308.935282][ T8785]  ? lockdep_hardirqs_on (kernel/locking/lockdep.c:4488)
[  308.935284][ T8785]  ? do_syscall_64 (arch/x86/entry/syscall_64.c:81 (discriminator 44))
[  308.935287][ T8785]  do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84)
[  308.935289][ T8785]  ? irq_exit_rcu (kernel/softirq.c:786)
[  308.935293][ T8785]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[  308.935295][ T8785] RIP: 0033:0x7fe87fb78312
[  308.935299][ T8785] Code: 08 0f 85 71 41 ff ff 49 89 fb 48 89 f0 48 89 d7 48 89 ce 4c 89 c2 4d 89 ca 4c 8b 44 24 08 4c 8b 4c 24 10 4c 89 5c 24 08 0f 05 <c3> 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 00 f3 0f 1e fa 55 bf 01 00
All code
========
   0:	08 0f                	or     %cl,(%rdi)
   2:	85 71 41             	test   %esi,0x41(%rcx)
   5:	ff                   	(bad)
   6:	ff 49 89             	decl   -0x77(%rcx)
   9:	fb                   	sti
   a:	48 89 f0             	mov    %rsi,%rax
   d:	48 89 d7             	mov    %rdx,%rdi
  10:	48 89 ce             	mov    %rcx,%rsi
  13:	4c 89 c2             	mov    %r8,%rdx
  16:	4d 89 ca             	mov    %r9,%r10
  19:	4c 8b 44 24 08       	mov    0x8(%rsp),%r8
  1e:	4c 8b 4c 24 10       	mov    0x10(%rsp),%r9
  23:	4c 89 5c 24 08       	mov    %r11,0x8(%rsp)
  28:	0f 05                	syscall
  2a:*	c3                   	ret		<-- trapping instruction
  2b:	66 2e 0f 1f 84 00 00 	cs nopw 0x0(%rax,%rax,1)
  32:	00 00 00 
  35:	0f 1f 00             	nopl   (%rax)
  38:	f3 0f 1e fa          	endbr64
  3c:	55                   	push   %rbp
  3d:	bf                   	.byte 0xbf
  3e:	01 00                	add    %eax,(%rax)

Code starting with the faulting instruction
===========================================
   0:	c3                   	ret
   1:	66 2e 0f 1f 84 00 00 	cs nopw 0x0(%rax,%rax,1)
   8:	00 00 00 
   b:	0f 1f 00             	nopl   (%rax)
   e:	f3 0f 1e fa          	endbr64
  12:	55                   	push   %rbp
  13:	bf                   	.byte 0xbf
  14:	01 00                	add    %eax,(%rax)
[  308.935300][ T8785] RSP: 002b:00007ffe8a85ec58 EFLAGS: 00000246 ORIG_RAX: 000000000000002c
[  308.935303][ T8785] RAX: ffffffffffffffda RBX: 00007ffe8a85ed88 RCX: 00007fe87fb78312
[  308.935304][ T8785] RDX: 0000000000000024 RSI: 00007fe87c705350 RDI: 0000000000000020
[  308.935305][ T8785] RBP: 00007ffe8a85ec80 R08: 00007ffe8a85ee00 R09: 000000000000000c
[  308.935307][ T8785] R10: 0000000000000000 R11: 0000000000000246 R12: 00007fe87d9e5e10
[  308.935307][ T8785] R13: 00007ffe8a85ed88 R14: 00007fe87f49701a R15: 00007ffe8a85f178
| [  311.805063][ T8880] softirqs last disabled at (393032): __alloc_skb (./include/linux/bottom_half.h:20 (discriminator 2) net/core/skbuff.c:697 (discriminator 2))
| [  311.805066][ T8880] Preemption disabled at:
| [  311.805066][ T8880] vprintk_emit (kernel/printk/printk.c:2471)
| [  311.805074][ T8880] Tainted: [W]=WARN
[  311.805076][ T8880] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[  311.805077][ T8880] Call Trace:
[  311.805079][ T8880]  <TASK>
[  311.805081][ T8880]  dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120)
[  311.805086][ T8880]  ? vprintk_emit (kernel/printk/printk.c:2471)
[  311.805088][ T8880]  __might_resched.cold (kernel/sched/core.c:9234)
[  311.805093][ T8880]  ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3))
[  311.805097][ T8880]  ? __kmalloc_noprof (./include/linux/sched/mm.h:317 mm/slub.c:4636 mm/slub.c:4974 mm/slub.c:5413 mm/slub.c:5439)
[  311.805102][ T8880]  __kmalloc_noprof (./include/linux/sched/mm.h:322 (discriminator 2) mm/slub.c:4636 (discriminator 2) mm/slub.c:4974 (discriminator 2) mm/slub.c:5413 (discriminator 2) mm/slub.c:5439 (discriminator 2))
[  311.805104][ T8880]  ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[  311.805110][ T8880]  ? do_raw_spin_unlock (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:32 ./include/asm-generic/qspinlock.h:58 kernel/locking/spinlock_debug.c:101 kernel/locking/spinlock_debug.c:141)
[  311.805114][ T8880]  alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[  311.805117][ T8880]  put_chars (drivers/char/virtio_console.c:1176)
[  311.805120][ T8880]  ? __send_to_port (drivers/char/virtio_console.c:654)
[  311.805122][ T8880]  ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4116 (discriminator 3) kernel/rcu/tree.c:4108 (discriminator 3))
[  311.805125][ T8880]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380)
[  311.805128][ T8880]  ? validate_chain (kernel/locking/lockdep.c:3817 (discriminator 2) kernel/locking/lockdep.c:3837 (discriminator 2) kernel/locking/lockdep.c:3892 (discriminator 2))
[  311.805132][ T8880]  hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2))
[  311.805136][ T8880]  ? mark_usage (kernel/locking/lockdep.c:4690)
[  311.805138][ T8880]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[  311.805140][ T8880]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[  311.805144][ T8880]  ? hvc_write (drivers/tty/hvc/hvc_console.c:501)
[  311.805146][ T8880]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2))
[  311.805150][ T8880]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  311.805154][ T8880]  console_emit_next_record (kernel/printk/printk.c:3183)
[  311.805158][ T8880]  ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20)
[  311.805160][ T8880]  ? console_flush_one_record (./include/linux/rcupdate.h:314 (discriminator 2) ./include/linux/srcu.h:439 (discriminator 2) kernel/printk/printk.c:291 (discriminator 2) kernel/printk/printk.c:3246 (discriminator 2))
[  311.805164][ T8880]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  311.805166][ T8880]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  311.805170][ T8880]  console_flush_one_record (kernel/printk/printk.c:3268)
[  311.805174][ T8880]  ? console_emit_next_record (kernel/printk/printk.c:3150)
[  311.805176][ T8880]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[  311.805181][ T8880]  console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420)
[  311.805184][ T8880]  ? console_flush_one_record (kernel/printk/printk.c:3316)
[  311.805186][ T8880]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  311.805187][ T8880]  ? 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)
[  311.805191][ T8880]  ? __down_trylock_console_sem (kernel/printk/printk.c:334)
[  311.805193][ T8880]  ? vprintk_emit (kernel/printk/printk.c:2478)
[  311.805195][ T8880]  vprintk_emit (kernel/printk/printk.c:2479)
[  311.805199][ T8880]  ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126))
[  311.805201][ T8880]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554)
[  311.805202][ T8880]  ? genl_family_rcv_msg (net/netlink/genetlink.c:1194)
[  311.805207][ T8880]  _printk (kernel/printk/printk.c:2504)
[  311.805210][ T8880]  ? snapshot_read.cold (user.c:?)
[  311.805212][ T8880]  ? ___ratelimit (lib/ratelimit.c:97 (discriminator 3))
[  311.805218][ T8880]  ? idr_get_free (??:?)
[  311.805223][ T8880]  validate_nla.cold (lib/nlattr.c:414 (discriminator 4))
[  311.805232][ T8880]  ? nla_get_range_signed (lib/nlattr.c:270)
[  311.805238][ T8880]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  311.805239][ T8880]  ? trace_kmalloc (./include/trace/events/kmem.h:57 (discriminator 22))
[  311.805244][ T8880]  __nla_validate_parse (lib/nlattr.c:635)
[  311.805249][ T8880]  __nla_parse (lib/nlattr.c:732)
[  311.805252][ T8880]  genl_family_rcv_msg_attrs_parse.isra.0 (./include/net/netlink.h:789 (discriminator 2) net/netlink/genetlink.c:944 (discriminator 2))
[  311.805257][ T8880]  genl_family_rcv_msg_doit (net/netlink/genetlink.c:1092)
[  311.805260][ T8880]  ? genl_family_rcv_msg_attrs_parse.isra.0 (./include/net/netlink.h:785 (discriminator 2))
[  311.805268][ T8880]  ? security_capable (security/security.c:660 (discriminator 11))
[  311.805273][ T8880]  genl_family_rcv_msg (net/netlink/genetlink.c:1194)
[  311.805276][ T8880]  ? genl_family_rcv_msg_dumpit (net/netlink/genetlink.c:1079)
[  311.805279][ T8880]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380)
[  311.805281][ T8880]  ? ovs_dp_cmd_get (./include/net/net_namespace.h:422 (discriminator 7)) openvswitch
[  311.805289][ T8880]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[  311.805295][ T8880]  genl_rcv_msg (net/netlink/genetlink.c:1209)
[  311.805298][ T8880]  netlink_rcv_skb (net/netlink/af_netlink.c:2556)
[  311.805300][ T8880]  ? genl_family_rcv_msg (net/netlink/genetlink.c:1136 (discriminator 2))
[  311.805303][ T8880]  ? netlink_ack (./include/linux/skbuff.h:2718)
[  311.805310][ T8880]  ? 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))
[  311.805312][ T8880]  ? 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))
[  311.805316][ T8880]  genl_rcv (net/netlink/genetlink.c:1218)
[  311.805319][ T8880]  netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[  311.805323][ T8880]  ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[  311.805326][ T8880]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[  311.805330][ T8880]  netlink_sendmsg (net/netlink/af_netlink.c:1900)
[  311.805334][ T8880]  ? netlink_unicast (./include/net/net_namespace.h:422 (discriminator 7))
[  311.805335][ T8880]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[  311.805338][ T8880]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554)
[  311.805343][ T8880]  __sock_sendmsg (net/socket.c:800 (discriminator 4) net/socket.c:815 (discriminator 4))
[  311.805346][ T8880]  ? fdget (fs/file.c:1200 fs/file.c:1208)
[  311.805350][ T8880]  __sys_sendto (net/socket.c:2281)
[  311.805353][ T8880]  ? __ia32_sys_getpeername (net/socket.c:2235)
[  311.805364][ T8880]  ? fput_close_sync (fs/file_table.c:617)
[  311.805367][ T8880]  ? alloc_file_clone (fs/file_table.c:479)
[  311.805371][ T8880]  __x64_sys_sendto (net/socket.c:2288 net/socket.c:2284 net/socket.c:2284)
[  311.805374][ T8880]  ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22))
[  311.805378][ T8880]  ? lockdep_hardirqs_on (kernel/locking/lockdep.c:4488)
[  311.805380][ T8880]  ? do_syscall_64 (arch/x86/entry/syscall_64.c:81 (discriminator 44))
[  311.805383][ T8880]  do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84)
[  311.805384][ T8880]  ? exc_page_fault (arch/x86/mm/fault.c:1489 (discriminator 3) arch/x86/mm/fault.c:1536 (discriminator 3))
[  311.805387][ T8880]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[  311.805389][ T8880] RIP: 0033:0x7f27a3329312
[  311.805392][ T8880] 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)
[  311.805394][ T8880] RSP: 002b:00007fff918d1af8 EFLAGS: 00000246 ORIG_RAX: 000000000000002c
[  311.805397][ T8880] RAX: ffffffffffffffda RBX: 00007fff918d1c28 RCX: 00007f27a3329312
[  311.805398][ T8880] RDX: 0000000000000044 RSI: 00007f27a1062fb0 RDI: 0000000000000020
[  311.805399][ T8880] RBP: 00007fff918d1b20 R08: 00007fff918d1ca0 R09: 000000000000000c
[  311.805400][ T8880] R10: 0000000000000000 R11: 0000000000000246 R12: 00007f27a11860b0
[  311.805401][ T8880] R13: 00007fff918d1c28 R14: 00007f27a2c4801a R15: 00007fff918d2018
| [  312.878647][ T8910] softirqs last disabled at (386348): inet6_fill_ifla6_attrs (net/ipv6/addrconf.c:5883)
| [  312.878649][ T8910] Preemption disabled at:
| [  312.878649][ T8910] vprintk_emit (kernel/printk/printk.c:2471)
| [  312.878658][ T8910] Tainted: [W]=WARN
[  312.878659][ T8910] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[  312.878660][ T8910] Call Trace:
[  312.878662][ T8910]  <TASK>
[  312.878663][ T8910]  dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120)
[  312.878670][ T8910]  ? vprintk_emit (kernel/printk/printk.c:2471)
[  312.878671][ T8910]  __might_resched.cold (kernel/sched/core.c:9234)
[  312.878676][ T8910]  ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3))
[  312.878680][ T8910]  ? __kmalloc_noprof (./include/linux/sched/mm.h:317 mm/slub.c:4636 mm/slub.c:4974 mm/slub.c:5413 mm/slub.c:5439)
[  312.878685][ T8910]  __kmalloc_noprof (./include/linux/sched/mm.h:322 (discriminator 2) mm/slub.c:4636 (discriminator 2) mm/slub.c:4974 (discriminator 2) mm/slub.c:5413 (discriminator 2) mm/slub.c:5439 (discriminator 2))
[  312.878686][ T8910]  ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[  312.878693][ T8910]  ? do_raw_spin_unlock (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:32 ./include/asm-generic/qspinlock.h:58 kernel/locking/spinlock_debug.c:101 kernel/locking/spinlock_debug.c:141)
[  312.878696][ T8910]  alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[  312.878700][ T8910]  put_chars (drivers/char/virtio_console.c:1176)
[  312.878702][ T8910]  ? __send_to_port (drivers/char/virtio_console.c:654)
[  312.878705][ T8910]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380)
[  312.878708][ T8910]  ? validate_chain (kernel/locking/lockdep.c:3817 (discriminator 2) kernel/locking/lockdep.c:3837 (discriminator 2) kernel/locking/lockdep.c:3892 (discriminator 2))
[  312.878713][ T8910]  hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2))
[  312.878717][ T8910]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[  312.878719][ T8910]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[  312.878724][ T8910]  ? hvc_write (drivers/tty/hvc/hvc_console.c:501)
[  312.878727][ T8910]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  312.878730][ T8910]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  312.878734][ T8910]  console_emit_next_record (kernel/printk/printk.c:3183)
[  312.878738][ T8910]  ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20)
[  312.878740][ T8910]  ? console_flush_one_record (./include/linux/rcupdate.h:314 (discriminator 2) ./include/linux/srcu.h:439 (discriminator 2) kernel/printk/printk.c:291 (discriminator 2) kernel/printk/printk.c:3246 (discriminator 2))
[  312.878743][ T8910]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  312.878745][ T8910]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  312.878750][ T8910]  console_flush_one_record (kernel/printk/printk.c:3268)
[  312.878754][ T8910]  ? console_emit_next_record (kernel/printk/printk.c:3150)
[  312.878756][ T8910]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[  312.878761][ T8910]  console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420)
[  312.878764][ T8910]  ? console_flush_one_record (kernel/printk/printk.c:3316)
[  312.878766][ T8910]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  312.878771][ T8910]  ? 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)
[  312.878775][ T8910]  ? __down_trylock_console_sem (kernel/printk/printk.c:334)
[  312.878777][ T8910]  ? vprintk_emit (kernel/printk/printk.c:2478)
[  312.878780][ T8910]  vprintk_emit (kernel/printk/printk.c:2479)
[  312.878783][ T8910]  ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126))
[  312.878788][ T8910]  _printk (kernel/printk/printk.c:2504)
[  312.878792][ T8910]  ? snapshot_read.cold (user.c:?)
[  312.878795][ T8910]  ? lockdep_rtnl_is_held (./include/linux/lockdep.h:249 net/core/rtnetlink.c:182)
[  312.878798][ T8910]  ? netdev_upper_get_next_dev_rcu (net/core/dev.c:8213 (discriminator 5))
[  312.878802][ T8910]  ? __netdev_update_features (net/core/dev.c:11078 (discriminator 2))
[  312.878804][ T8910]  ? netdev_name (./include/linux/netdevice.h:5709 (discriminator 1))
[  312.878808][ T8910]  ? __netdev_printk (net/core/dev.c:13148 (discriminator 2))
[  312.878811][ T8910]  netdev_info (net/core/dev.c:13195 (discriminator 3))
[  312.878814][ T8910]  ? netdev_notice (net/core/dev.c:13194)
[  312.878816][ T8910]  ? ovs_netdev_link (net/openvswitch/vport-netdev.c:85) openvswitch
[  312.878825][ T8910]  ? 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)
[  312.878828][ T8910]  __dev_set_promiscuity.cold (net/core/dev.c:9672 (discriminator 3))
[  312.878831][ T8910]  netif_set_promiscuity (net/core/dev.c:9699)
[  312.878835][ T8910]  dev_set_promiscuity (net/core/dev_api.c:288)
[  312.878837][ T8910]  ? dev_disable_lro (net/core/dev_api.c:267)
[  312.878839][ T8910] ovs_netdev_link (net/openvswitch/vport-netdev.c:106) openvswitch
[  312.878844][ T8910] ovs_vport_add (net/openvswitch/vport.c:209) openvswitch
[  312.878849][ T8910] new_vport (net/openvswitch/datapath.c:203) openvswitch
[  312.878853][ T8910]  ? ovs_lookup_vport (./include/linux/lockdep.h:249 net/openvswitch/datapath.c:120 net/openvswitch/datapath.c:117 net/openvswitch/datapath.c:190) openvswitch
[  312.878858][ T8910] ovs_vport_cmd_new (net/openvswitch/datapath.c:2389) openvswitch
[  312.878864][ T8910]  ? ovs_vport_cmd_fill_info.isra.0 (./include/net/netlink.h:1107 (discriminator 1)) openvswitch
[  312.878868][ T8910]  ? __nla_validate_parse (lib/nlattr.c:635)
[  312.878874][ T8910]  ? __nla_parse (lib/nlattr.c:732)
[  312.878876][ T8910]  ? genl_family_rcv_msg_attrs_parse.isra.0 (./include/net/netlink.h:789 (discriminator 2) net/netlink/genetlink.c:944 (discriminator 2))
[  312.878881][ T8910]  genl_family_rcv_msg_doit (net/netlink/genetlink.c:1114)
[  312.878885][ T8910]  ? genl_family_rcv_msg_attrs_parse.isra.0 (./include/net/netlink.h:785 (discriminator 2))
[  312.878893][ T8910]  ? security_capable (security/security.c:660 (discriminator 11))
[  312.878898][ T8910]  genl_family_rcv_msg (net/netlink/genetlink.c:1194)
[  312.878901][ T8910]  ? genl_family_rcv_msg_dumpit (net/netlink/genetlink.c:1079)
[  312.878904][ T8910]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380)
[  312.878906][ T8910]  ? ovs_vport_cmd_fill_info.isra.0 (./include/net/netlink.h:1107 (discriminator 1)) openvswitch
[  312.878910][ T8910]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[  312.878916][ T8910]  genl_rcv_msg (net/netlink/genetlink.c:1209)
[  312.878919][ T8910]  netlink_rcv_skb (net/netlink/af_netlink.c:2556)
[  312.878921][ T8910]  ? genl_family_rcv_msg (net/netlink/genetlink.c:1136 (discriminator 2))
[  312.878925][ T8910]  ? netlink_ack (./include/linux/skbuff.h:2718)
[  312.878932][ T8910]  ? 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))
[  312.878934][ T8910]  ? 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))
[  312.878938][ T8910]  genl_rcv (net/netlink/genetlink.c:1218)
[  312.878940][ T8910]  netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[  312.878944][ T8910]  ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[  312.878948][ T8910]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[  312.878952][ T8910]  netlink_sendmsg (net/netlink/af_netlink.c:1900)
[  312.878956][ T8910]  ? netlink_unicast (./include/net/net_namespace.h:422 (discriminator 7))
[  312.878957][ T8910]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[  312.878960][ T8910]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554)
[  312.878965][ T8910]  __sock_sendmsg (net/socket.c:800 (discriminator 4) net/socket.c:815 (discriminator 4))
[  312.878968][ T8910]  ? fdget (fs/file.c:1200 fs/file.c:1208)
[  312.878972][ T8910]  __sys_sendto (net/socket.c:2281)
[  312.878975][ T8910]  ? __ia32_sys_getpeername (net/socket.c:2235)
[  312.878986][ T8910]  ? exc_page_fault (arch/x86/mm/fault.c:1483 arch/x86/mm/fault.c:1536)
[  312.878993][ T8910]  __x64_sys_sendto (net/socket.c:2288 net/socket.c:2284 net/socket.c:2284)
[  312.878995][ T8910]  ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22))
[  312.878998][ T8910]  ? lockdep_hardirqs_on (kernel/locking/lockdep.c:4488)
[  312.879000][ T8910]  ? do_syscall_64 (arch/x86/entry/syscall_64.c:81 (discriminator 44))
[  312.879002][ T8910]  do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84)
[  312.879004][ T8910]  ? exc_page_fault (arch/x86/mm/fault.c:1489 (discriminator 3) arch/x86/mm/fault.c:1536 (discriminator 3))
[  312.879007][ T8910]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[  312.879009][ T8910] RIP: 0033:0x7f28de7a4312
[  312.879012][ T8910] 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)
[  312.879014][ T8910] RSP: 002b:00007fff4c161588 EFLAGS: 00000246 ORIG_RAX: 000000000000002c
[  312.879017][ T8910] RAX: ffffffffffffffda RBX: 00007fff4c1616b8 RCX: 00007f28de7a4312
[  312.879019][ T8910] RDX: 0000000000000038 RSI: 00007f28d8229fb0 RDI: 0000000000000023
[  312.879019][ T8910] RBP: 00007fff4c1615b0 R08: 00007fff4c161730 R09: 000000000000000c
[  312.879020][ T8910] R10: 0000000000000000 R11: 0000000000000246 R12: 00007f28dc60e190
[  312.879021][ T8910] R13: 00007fff4c1616b8 R14: 00007f28de0c301a R15: 00007fff4c161aa8
| [  321.968224][   T70] softirqs last disabled at (8740102): __neigh_ifdown.isra.0 (./include/linux/spinlock.h:353 net/core/neighbour.c:464)
| [  321.968226][   T70] Preemption disabled at:
| [  321.968227][   T70] vprintk_emit (kernel/printk/printk.c:2471)
| [  321.968235][   T70] Tainted: [W]=WARN
[  321.968236][   T70] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[  321.968238][   T70] Workqueue: netns cleanup_net
[  321.968241][   T70] Call Trace:
[  321.968242][   T70]  <TASK>
[  321.968244][   T70]  dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120)
[  321.968250][   T70]  ? vprintk_emit (kernel/printk/printk.c:2471)
[  321.968252][   T70]  __might_resched.cold (kernel/sched/core.c:9234)
[  321.968257][   T70]  ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3))
[  321.968260][   T70]  ? __kmalloc_noprof (./include/linux/sched/mm.h:317 mm/slub.c:4636 mm/slub.c:4974 mm/slub.c:5413 mm/slub.c:5439)
[  321.968265][   T70]  __kmalloc_noprof (./include/linux/sched/mm.h:322 (discriminator 2) mm/slub.c:4636 (discriminator 2) mm/slub.c:4974 (discriminator 2) mm/slub.c:5413 (discriminator 2) mm/slub.c:5439 (discriminator 2))
[  321.968267][   T70]  ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[  321.968273][   T70]  ? do_raw_spin_unlock (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:32 ./include/asm-generic/qspinlock.h:58 kernel/locking/spinlock_debug.c:101 kernel/locking/spinlock_debug.c:141)
[  321.968276][   T70]  alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[  321.968280][   T70]  put_chars (drivers/char/virtio_console.c:1176)
[  321.968282][   T70]  ? prb_final_commit (kernel/printk/printk_ringbuffer.c:1842)
[  321.968284][   T70]  ? __send_to_port (drivers/char/virtio_console.c:654)
[  321.968287][   T70]  ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4116 (discriminator 3) kernel/rcu/tree.c:4108 (discriminator 3))
[  321.968293][   T70]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380)
[  321.968296][   T70]  ? validate_chain (kernel/locking/lockdep.c:3817 (discriminator 2) kernel/locking/lockdep.c:3837 (discriminator 2) kernel/locking/lockdep.c:3892 (discriminator 2))
[  321.968300][   T70]  hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2))
[  321.968304][   T70]  ? mark_usage (kernel/locking/lockdep.c:4690)
[  321.968306][   T70]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[  321.968308][   T70]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[  321.968312][   T70]  ? hvc_write (drivers/tty/hvc/hvc_console.c:501)
[  321.968315][   T70]  ? console_emit_next_record (kernel/printk/printk.c:3095 (discriminator 2) kernel/printk/printk.c:3182 (discriminator 2))
[  321.968318][   T70]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  321.968321][   T70]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  321.968325][   T70]  console_emit_next_record (kernel/printk/printk.c:3183)
[  321.968329][   T70]  ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20)
[  321.968331][   T70]  ? console_flush_one_record (./include/linux/rcupdate.h:314 (discriminator 2) ./include/linux/srcu.h:439 (discriminator 2) kernel/printk/printk.c:291 (discriminator 2) kernel/printk/printk.c:3246 (discriminator 2))
[  321.968334][   T70]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  321.968336][   T70]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  321.968340][   T70]  console_flush_one_record (kernel/printk/printk.c:3268)
[  321.968344][   T70]  ? console_emit_next_record (kernel/printk/printk.c:3150)
[  321.968346][   T70]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[  321.968352][   T70]  console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420)
[  321.968354][   T70]  ? console_flush_one_record (kernel/printk/printk.c:3316)
[  321.968356][   T70]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  321.968358][   T70]  ? 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)
[  321.968362][   T70]  ? __down_trylock_console_sem (kernel/printk/printk.c:334)
[  321.968364][   T70]  ? vprintk_emit (kernel/printk/printk.c:2478)
[  321.968367][   T70]  vprintk_emit (kernel/printk/printk.c:2479)
[  321.968370][   T70]  ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126))
[  321.968372][   T70]  ? net_disable_timestamp (./include/linux/workqueue.h:761)
[  321.968374][   T70]  ? net_generic (./include/linux/rcupdate.h:882 ./include/net/netns/generic.h:48) vxlan
[  321.968383][   T70]  _printk (kernel/printk/printk.c:2504)
[  321.968387][   T70]  ? snapshot_read.cold (user.c:?)
[  321.968391][   T70]  ? netdev_name (./include/linux/netdevice.h:5709 (discriminator 1))
[  321.968395][   T70]  ? __netdev_printk (net/core/dev.c:13148 (discriminator 2))
[  321.968399][   T70]  netdev_info (net/core/dev.c:13195 (discriminator 3))
[  321.968402][   T70]  ? netdev_notice (net/core/dev.c:13194)
[  321.968403][   T70]  ? __netdev_upper_dev_unlink (net/core/dev.c:9094)
[  321.968408][   T70]  ? synchronize_rcu_expedited (kernel/rcu/tree_exp.h:985)
[  321.968413][   T70]  ? 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)
[  321.968415][   T70]  __dev_set_promiscuity.cold (net/core/dev.c:9672 (discriminator 3))
[  321.968419][   T70]  netif_set_promiscuity (net/core/dev.c:9699)
[  321.968423][   T70]  dev_set_promiscuity (net/core/dev_api.c:288)
[  321.968425][   T70]  ? rtnl_is_locked (net/core/rtnetlink.c:169)
[  321.968428][   T70] ovs_netdev_detach_dev (net/openvswitch/vport-netdev.c:174) openvswitch
[  321.968438][   T70] dp_device_event (net/openvswitch/dp_notify.c:74) openvswitch
[  321.968443][   T70]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  321.968445][   T70]  notifier_call_chain (kernel/notifier.c:85)
[  321.968451][   T70]  unregister_netdevice_many_notify (net/core/dev.c:2313 net/core/dev.c:2327 net/core/dev.c:12518)
[  321.968456][   T70]  ? unregister_netdevice_queued (./include/linux/list.h:419 (discriminator 3))
[  321.968464][   T70]  default_device_exit_batch (net/core/dev.c:12589 net/core/dev.c:13288)
[  321.968467][   T70]  ? unregister_netdevice_queue (./include/linux/list.h:173)
[  321.968470][   T70]  ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3))
[  321.968472][   T70]  ? fou_exit_net (net/ipv4/fou_core.c:1228)
[  321.968477][   T70]  ops_undo_list (net/core/net_namespace.c:206 net/core/net_namespace.c:253)
[  321.968480][   T70]  ? lockdep_hardirqs_on (kernel/locking/lockdep.c:4488)
[  321.968484][   T70]  ? netns_install (./include/linux/ns_common.h:26)
[  321.968486][   T70]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554)
[  321.968489][   T70]  ? idr_destroy (lib/radix-tree.c:310 lib/radix-tree.c:674 lib/radix-tree.c:1563)
[  321.968494][   T70]  cleanup_net (net/core/net_namespace.c:706)
[  321.968497][   T70]  ? net_passive_dec (./include/linux/llist.h:241)
[  321.968501][   T70]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  321.968503][   T70]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  321.968506][   T70]  process_one_work (kernel/workqueue.c:3387)
[  321.968513][   T70]  ? __queue_delayed_work (kernel/workqueue.c:2622)
[  321.968516][   T70]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2))
[  321.968523][   T70]  worker_thread (kernel/workqueue.c:3470 kernel/workqueue.c:3551)
[  321.968528][   T70]  ? rescuer_thread (./include/linux/list.h:419 (discriminator 3))
[  321.968530][   T70]  ? __kthread_parkme (./include/linux/instrumented.h:82 ./include/asm-generic/bitops/instrumented-non-atomic.h:141 kernel/kthread.c:272)
[  321.968532][   T70]  ? rescuer_thread (./include/linux/list.h:419 (discriminator 3))
[  321.968535][   T70]  ? rescuer_thread (./include/linux/list.h:419 (discriminator 3))
[  321.968537][   T70]  kthread (kernel/kthread.c:436)
[  321.968539][   T70]  ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22))
[  321.968543][   T70]  ? kthread_affine_preferred (kernel/kthread.c:857)
[  321.968546][   T70]  ret_from_fork (arch/x86/kernel/process.c:158)
[  321.968550][   T70]  ? arch_exit_to_user_mode_prepare.isra.0 (arch/x86/entry/vdso/vma.c:80 (discriminator 1))
[  321.968553][   T70]  ? __switch_to (arch/x86/kernel/process_64.c:403 arch/x86/kernel/process_64.c:663)
[  321.968557][   T70]  ? kthread_affine_preferred (kernel/kthread.c:857)
[  321.968559][   T70]  ret_from_fork_asm (arch/x86/entry/entry_64.S:245)
| [  324.275858][ T9163] softirqs last disabled at (373061): __irq_exit_rcu (kernel/softirq.c:679 kernel/softirq.c:519 kernel/softirq.c:767)
| [  324.275861][ T9163] Preemption disabled at:
| [  324.275862][ T9163] vprintk_emit (kernel/printk/printk.c:2471)
| [  324.275870][ T9163] Tainted: [W]=WARN
[  324.275872][ T9163] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[  324.275873][ T9163] Call Trace:
[  324.275875][ T9163]  <TASK>
[  324.275876][ T9163]  dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120)
[  324.275882][ T9163]  ? vprintk_emit (kernel/printk/printk.c:2471)
[  324.275884][ T9163]  __might_resched.cold (kernel/sched/core.c:9234)
[  324.275889][ T9163]  ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3))
[  324.275893][ T9163]  ? __kmalloc_noprof (./include/linux/sched/mm.h:317 mm/slub.c:4636 mm/slub.c:4974 mm/slub.c:5413 mm/slub.c:5439)
[  324.275898][ T9163]  __kmalloc_noprof (./include/linux/sched/mm.h:322 (discriminator 2) mm/slub.c:4636 (discriminator 2) mm/slub.c:4974 (discriminator 2) mm/slub.c:5413 (discriminator 2) mm/slub.c:5439 (discriminator 2))
[  324.275899][ T9163]  ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[  324.275906][ T9163]  ? do_raw_spin_unlock (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:32 ./include/asm-generic/qspinlock.h:58 kernel/locking/spinlock_debug.c:101 kernel/locking/spinlock_debug.c:141)
[  324.275909][ T9163]  alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[  324.275913][ T9163]  put_chars (drivers/char/virtio_console.c:1176)
[  324.275916][ T9163]  ? __send_to_port (drivers/char/virtio_console.c:654)
[  324.275917][ T9163]  ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4116 (discriminator 3) kernel/rcu/tree.c:4108 (discriminator 3))
[  324.275920][ T9163]  ? validate_chain (kernel/locking/lockdep.c:3817 (discriminator 2) kernel/locking/lockdep.c:3837 (discriminator 2) kernel/locking/lockdep.c:3892 (discriminator 2))
[  324.275926][ T9163]  hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2))
[  324.275934][ T9163]  ? hvc_write (drivers/tty/hvc/hvc_console.c:501)
[  324.275937][ T9163]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  324.275939][ T9163]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  324.275943][ T9163]  console_emit_next_record (kernel/printk/printk.c:3183)
[  324.275947][ T9163]  ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20)
[  324.275949][ T9163]  ? console_flush_one_record (./include/linux/rcupdate.h:314 (discriminator 2) ./include/linux/srcu.h:439 (discriminator 2) kernel/printk/printk.c:291 (discriminator 2) kernel/printk/printk.c:3246 (discriminator 2))
[  324.275952][ T9163]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  324.275954][ T9163]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  324.275958][ T9163]  console_flush_one_record (kernel/printk/printk.c:3268)
[  324.275963][ T9163]  ? console_emit_next_record (kernel/printk/printk.c:3150)
[  324.275965][ T9163]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[  324.275970][ T9163]  console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420)
[  324.275973][ T9163]  ? console_flush_one_record (kernel/printk/printk.c:3316)
[  324.275975][ T9163]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  324.275977][ T9163]  ? 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)
[  324.275981][ T9163]  ? __down_trylock_console_sem (kernel/printk/printk.c:334)
[  324.275983][ T9163]  ? vprintk_emit (kernel/printk/printk.c:2478)
[  324.275985][ T9163]  vprintk_emit (kernel/printk/printk.c:2479)
[  324.275989][ T9163]  ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126))
[  324.275991][ T9163]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380)
[  324.275993][ T9163]  ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4116 (discriminator 3) kernel/rcu/tree.c:4108 (discriminator 3))
[  324.275998][ T9163]  _printk (kernel/printk/printk.c:2504)
[  324.276002][ T9163]  ? snapshot_read.cold (user.c:?)
[  324.276006][ T9163]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  324.276007][ T9163]  ? netdev_name (./include/linux/netdevice.h:5709 (discriminator 1))
[  324.276011][ T9163]  ? __netdev_printk (net/core/dev.c:13148 (discriminator 2))
[  324.276015][ T9163]  netdev_info (net/core/dev.c:13195 (discriminator 3))
[  324.276018][ T9163]  ? netdev_notice (net/core/dev.c:13194)
[  324.276020][ T9163]  ? internal_dev_destroy (net/openvswitch/vport-internal_dev.c:178) openvswitch
[  324.276026][ T9163]  ? ww_mutex_lock (kernel/locking/mutex.c:934)
[  324.276031][ T9163]  ? 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)
[  324.276034][ T9163]  __dev_set_promiscuity.cold (net/core/dev.c:9672 (discriminator 3))
[  324.276037][ T9163]  netif_set_promiscuity (net/core/dev.c:9699)
[  324.276043][ T9163]  dev_set_promiscuity (net/core/dev_api.c:288)
[  324.276046][ T9163] internal_dev_destroy (net/openvswitch/vport-internal_dev.c:179) openvswitch
[  324.276051][ T9163] __dp_destroy (net/openvswitch/datapath.c:1969 (discriminator 1)) openvswitch
[  324.276058][ T9163] ovs_dp_cmd_del (net/openvswitch/datapath.c:2003) openvswitch
[  324.276063][ T9163]  genl_family_rcv_msg_doit (net/netlink/genetlink.c:1114)
[  324.276067][ T9163]  ? genl_family_rcv_msg_attrs_parse.isra.0 (./include/net/netlink.h:785 (discriminator 2))
[  324.276076][ T9163]  ? security_capable (security/security.c:660 (discriminator 11))
[  324.276080][ T9163]  genl_family_rcv_msg (net/netlink/genetlink.c:1194)
[  324.276084][ T9163]  ? genl_family_rcv_msg_dumpit (net/netlink/genetlink.c:1079)
[  324.276087][ T9163]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380)
[  324.276089][ T9163]  ? __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
[  324.276093][ T9163]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[  324.276099][ T9163]  genl_rcv_msg (net/netlink/genetlink.c:1209)
[  324.276102][ T9163]  netlink_rcv_skb (net/netlink/af_netlink.c:2556)
[  324.276104][ T9163]  ? genl_family_rcv_msg (net/netlink/genetlink.c:1136 (discriminator 2))
[  324.276108][ T9163]  ? netlink_ack (./include/linux/skbuff.h:2718)
[  324.276115][ T9163]  ? 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))
[  324.276117][ T9163]  ? 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))
[  324.276121][ T9163]  genl_rcv (net/netlink/genetlink.c:1218)
[  324.276123][ T9163]  netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[  324.276127][ T9163]  ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[  324.276131][ T9163]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[  324.276135][ T9163]  netlink_sendmsg (net/netlink/af_netlink.c:1900)
[  324.276139][ T9163]  ? netlink_unicast (./include/net/net_namespace.h:422 (discriminator 7))
[  324.276141][ T9163]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[  324.276144][ T9163]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554)
[  324.276149][ T9163]  __sock_sendmsg (net/socket.c:800 (discriminator 4) net/socket.c:815 (discriminator 4))
[  324.276152][ T9163]  ? fdget (fs/file.c:1200 fs/file.c:1208)
[  324.276156][ T9163]  __sys_sendto (net/socket.c:2281)
[  324.276159][ T9163]  ? __ia32_sys_getpeername (net/socket.c:2235)
[  324.276170][ T9163]  ? exc_page_fault (arch/x86/mm/fault.c:1483 arch/x86/mm/fault.c:1536)
[  324.276176][ T9163]  __x64_sys_sendto (net/socket.c:2288 net/socket.c:2284 net/socket.c:2284)
[  324.276178][ T9163]  ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22))
[  324.276182][ T9163]  ? lockdep_hardirqs_on (kernel/locking/lockdep.c:4488)
[  324.276183][ T9163]  ? do_syscall_64 (arch/x86/entry/syscall_64.c:81 (discriminator 44))
[  324.276186][ T9163]  do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84)
[  324.276188][ T9163]  ? exc_page_fault (arch/x86/mm/fault.c:1489 (discriminator 3) arch/x86/mm/fault.c:1536 (discriminator 3))
[  324.276191][ T9163]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[  324.276193][ T9163] RIP: 0033:0x7f84f2a82312
[  324.276196][ T9163] 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)
[  324.276198][ T9163] RSP: 002b:00007ffdcc22c078 EFLAGS: 00000246 ORIG_RAX: 000000000000002c
[  324.276201][ T9163] RAX: ffffffffffffffda RBX: 00007ffdcc22c1a8 RCX: 00007f84f2a82312
[  324.276202][ T9163] RDX: 0000000000000024 RSI: 00007f84ee6028b0 RDI: 0000000000000020
[  324.276203][ T9163] RBP: 00007ffdcc22c0a0 R08: 00007ffdcc22c220 R09: 000000000000000c
[  324.276204][ T9163] R10: 0000000000000000 R11: 0000000000000246 R12: 00007f84f08e5e10
[  324.276205][ T9163] R13: 00007ffdcc22c1a8 R14: 00007f84f23a101a R15: 00007ffdcc22c598
| [  327.362001][ T9270] softirqs last disabled at (383666): __alloc_skb (./include/linux/bottom_half.h:20 (discriminator 2) net/core/skbuff.c:697 (discriminator 2))
| [  327.362003][ T9270] Preemption disabled at:
| [  327.362004][ T9270] vprintk_emit (kernel/printk/printk.c:2471)
| [  327.362013][ T9270] Tainted: [W]=WARN
[  327.362014][ T9270] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[  327.362015][ T9270] Call Trace:
[  327.362017][ T9270]  <TASK>
[  327.362019][ T9270]  dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120)
[  327.362024][ T9270]  ? vprintk_emit (kernel/printk/printk.c:2471)
[  327.362026][ T9270]  __might_resched.cold (kernel/sched/core.c:9234)
[  327.362031][ T9270]  ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3))
[  327.362035][ T9270]  ? __kmalloc_noprof (./include/linux/sched/mm.h:317 mm/slub.c:4636 mm/slub.c:4974 mm/slub.c:5413 mm/slub.c:5439)
[  327.362040][ T9270]  __kmalloc_noprof (./include/linux/sched/mm.h:322 (discriminator 2) mm/slub.c:4636 (discriminator 2) mm/slub.c:4974 (discriminator 2) mm/slub.c:5413 (discriminator 2) mm/slub.c:5439 (discriminator 2))
[  327.362042][ T9270]  ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[  327.362048][ T9270]  ? do_raw_spin_unlock (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:32 ./include/asm-generic/qspinlock.h:58 kernel/locking/spinlock_debug.c:101 kernel/locking/spinlock_debug.c:141)
[  327.362051][ T9270]  alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[  327.362055][ T9270]  put_chars (drivers/char/virtio_console.c:1176)
[  327.362057][ T9270]  ? __send_to_port (drivers/char/virtio_console.c:654)
[  327.362060][ T9270]  ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4116 (discriminator 3) kernel/rcu/tree.c:4108 (discriminator 3))
[  327.362063][ T9270]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380)
[  327.362066][ T9270]  ? validate_chain (kernel/locking/lockdep.c:3817 (discriminator 2) kernel/locking/lockdep.c:3837 (discriminator 2) kernel/locking/lockdep.c:3892 (discriminator 2))
[  327.362070][ T9270]  hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2))
[  327.362074][ T9270]  ? mark_usage (kernel/locking/lockdep.c:4690)
[  327.362075][ T9270]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[  327.362077][ T9270]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[  327.362082][ T9270]  ? hvc_write (drivers/tty/hvc/hvc_console.c:501)
[  327.362083][ T9270]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2))
[  327.362088][ T9270]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  327.362092][ T9270]  console_emit_next_record (kernel/printk/printk.c:3183)
[  327.362096][ T9270]  ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20)
[  327.362098][ T9270]  ? console_flush_one_record (./include/linux/rcupdate.h:314 (discriminator 2) ./include/linux/srcu.h:439 (discriminator 2) kernel/printk/printk.c:291 (discriminator 2) kernel/printk/printk.c:3246 (discriminator 2))
[  327.362101][ T9270]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  327.362103][ T9270]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  327.362107][ T9270]  console_flush_one_record (kernel/printk/printk.c:3268)
[  327.362111][ T9270]  ? console_emit_next_record (kernel/printk/printk.c:3150)
[  327.362113][ T9270]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[  327.362118][ T9270]  console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420)
[  327.362121][ T9270]  ? console_flush_one_record (kernel/printk/printk.c:3316)
[  327.362123][ T9270]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  327.362125][ T9270]  ? lock_acquire (./include/linux/srcutree.h:374 ./include/linux/srcu.h:541 ./include/linux/srcu.h:645 ./include/trace/events/lock.h:23 ./include/trace/events/lock.h:23 kernel/locking/lockdep.c:5871)
[  327.362128][ T9270]  ? __down_trylock_console_sem (kernel/printk/printk.c:334)
[  327.362130][ T9270]  ? vprintk_emit (kernel/printk/printk.c:2478)
[  327.362133][ T9270]  vprintk_emit (kernel/printk/printk.c:2479)
[  327.362136][ T9270]  ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126))
[  327.362138][ T9270]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554)
[  327.362140][ T9270]  ? genl_family_rcv_msg (net/netlink/genetlink.c:1194)
[  327.362145][ T9270]  _printk (kernel/printk/printk.c:2504)
[  327.362148][ T9270]  ? snapshot_read.cold (user.c:?)
[  327.362150][ T9270]  ? ___ratelimit (lib/ratelimit.c:97 (discriminator 3))
[  327.362156][ T9270]  ? idr_get_free (??:?)
[  327.362160][ T9270]  validate_nla.cold (lib/nlattr.c:414 (discriminator 4))
[  327.362170][ T9270]  ? nla_get_range_signed (lib/nlattr.c:270)
[  327.362175][ T9270]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  327.362177][ T9270]  ? trace_kmalloc (./include/trace/events/kmem.h:57 (discriminator 22))
[  327.362181][ T9270]  __nla_validate_parse (lib/nlattr.c:635)
[  327.362186][ T9270]  __nla_parse (lib/nlattr.c:732)
[  327.362189][ T9270]  genl_family_rcv_msg_attrs_parse.isra.0 (./include/net/netlink.h:789 (discriminator 2) net/netlink/genetlink.c:944 (discriminator 2))
[  327.362194][ T9270]  genl_family_rcv_msg_doit (net/netlink/genetlink.c:1092)
[  327.362197][ T9270]  ? genl_family_rcv_msg_attrs_parse.isra.0 (./include/net/netlink.h:785 (discriminator 2))
[  327.362205][ T9270]  ? security_capable (security/security.c:660 (discriminator 11))
[  327.362210][ T9270]  genl_family_rcv_msg (net/netlink/genetlink.c:1194)
[  327.362213][ T9270]  ? genl_family_rcv_msg_dumpit (net/netlink/genetlink.c:1079)
[  327.362216][ T9270]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380)
[  327.362219][ T9270]  ? ovs_dp_cmd_get (./include/net/net_namespace.h:422 (discriminator 7)) openvswitch
[  327.362227][ T9270]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[  327.362232][ T9270]  genl_rcv_msg (net/netlink/genetlink.c:1209)
[  327.362235][ T9270]  netlink_rcv_skb (net/netlink/af_netlink.c:2556)
[  327.362237][ T9270]  ? genl_family_rcv_msg (net/netlink/genetlink.c:1136 (discriminator 2))
[  327.362241][ T9270]  ? netlink_ack (./include/linux/skbuff.h:2718)
[  327.362248][ T9270]  ? netlink_deliver_tap (./include/linux/rcupdate.h:319 (discriminator 2) ./include/linux/rcupdate.h:880 (discriminator 2) ./include/net/netns/generic.h:48 (discriminator 2) net/netlink/af_netlink.c:334 (discriminator 2))
[  327.362250][ T9270]  ? netlink_deliver_tap (./include/linux/rcupdate.h:319 (discriminator 2) ./include/linux/rcupdate.h:880 (discriminator 2) net/netlink/af_netlink.c:341 (discriminator 2))
[  327.362253][ T9270]  genl_rcv (net/netlink/genetlink.c:1218)
[  327.362256][ T9270]  netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[  327.362260][ T9270]  ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[  327.362263][ T9270]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[  327.362267][ T9270]  netlink_sendmsg (net/netlink/af_netlink.c:1900)
[  327.362271][ T9270]  ? netlink_unicast (./include/net/net_namespace.h:422 (discriminator 7))
[  327.362272][ T9270]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[  327.362275][ T9270]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554)
[  327.362280][ T9270]  __sock_sendmsg (net/socket.c:800 (discriminator 4) net/socket.c:815 (discriminator 4))
[  327.362283][ T9270]  ? fdget (fs/file.c:1200 fs/file.c:1208)
[  327.362287][ T9270]  __sys_sendto (net/socket.c:2281)
[  327.362290][ T9270]  ? __ia32_sys_getpeername (net/socket.c:2235)
[  327.362300][ T9270]  ? fput_close_sync (fs/file_table.c:617)
[  327.362303][ T9270]  ? alloc_file_clone (fs/file_table.c:479)
[  327.362307][ T9270]  __x64_sys_sendto (net/socket.c:2288 net/socket.c:2284 net/socket.c:2284)
[  327.362310][ T9270]  ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22))
[  327.362313][ T9270]  ? lockdep_hardirqs_on (kernel/locking/lockdep.c:4488)
[  327.362316][ T9270]  ? do_syscall_64 (arch/x86/entry/syscall_64.c:81 (discriminator 44))
[  327.362318][ T9270]  do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84)
[  327.362320][ T9270]  ? exc_page_fault (arch/x86/mm/fault.c:1489 (discriminator 3) arch/x86/mm/fault.c:1536 (discriminator 3))
[  327.362323][ T9270]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[  327.362325][ T9270] RIP: 0033:0x7fc8f1613312
[  327.362328][ T9270] Code: 08 0f 85 71 41 ff ff 49 89 fb 48 89 f0 48 89 d7 48 89 ce 4c 89 c2 4d 89 ca 4c 8b 44 24 08 4c 8b 4c 24 10 4c 89 5c 24 08 0f 05 <c3> 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 00 f3 0f 1e fa 55 bf 01 00
All code
========
   0:	08 0f                	or     %cl,(%rdi)
   2:	85 71 41             	test   %esi,0x41(%rcx)
   5:	ff                   	(bad)
   6:	ff 49 89             	decl   -0x77(%rcx)
   9:	fb                   	sti
   a:	48 89 f0             	mov    %rsi,%rax
   d:	48 89 d7             	mov    %rdx,%rdi
  10:	48 89 ce             	mov    %rcx,%rsi
  13:	4c 89 c2             	mov    %r8,%rdx
  16:	4d 89 ca             	mov    %r9,%r10
  19:	4c 8b 44 24 08       	mov    0x8(%rsp),%r8
  1e:	4c 8b 4c 24 10       	mov    0x10(%rsp),%r9
  23:	4c 89 5c 24 08       	mov    %r11,0x8(%rsp)
  28:	0f 05                	syscall
  2a:*	c3                   	ret		<-- trapping instruction
  2b:	66 2e 0f 1f 84 00 00 	cs nopw 0x0(%rax,%rax,1)
  32:	00 00 00 
  35:	0f 1f 00             	nopl   (%rax)
  38:	f3 0f 1e fa          	endbr64
  3c:	55                   	push   %rbp
  3d:	bf                   	.byte 0xbf
  3e:	01 00                	add    %eax,(%rax)

Code starting with the faulting instruction
===========================================
   0:	c3                   	ret
   1:	66 2e 0f 1f 84 00 00 	cs nopw 0x0(%rax,%rax,1)
   8:	00 00 00 
   b:	0f 1f 00             	nopl   (%rax)
   e:	f3 0f 1e fa          	endbr64
  12:	55                   	push   %rbp
  13:	bf                   	.byte 0xbf
  14:	01 00                	add    %eax,(%rax)
[  327.362330][ T9270] RSP: 002b:00007ffeab084338 EFLAGS: 00000246 ORIG_RAX: 000000000000002c
[  327.362333][ T9270] RAX: ffffffffffffffda RBX: 00007ffeab084468 RCX: 00007fc8f1613312
[  327.362334][ T9270] RDX: 0000000000000044 RSI: 00007fc8ef35b050 RDI: 0000000000000020
[  327.362335][ T9270] RBP: 00007ffeab084360 R08: 00007ffeab0844e0 R09: 000000000000000c
[  327.362336][ T9270] R10: 0000000000000000 R11: 0000000000000246 R12: 00007fc8ef4760b0
[  327.362337][ T9270] R13: 00007ffeab084468 R14: 00007fc8f0f3201a R15: 00007ffeab084858
| [  328.460144][ T9302] softirqs last disabled at (389550): inet6_fill_ifla6_attrs (net/ipv6/addrconf.c:5883)
| [  328.460146][ T9302] Preemption disabled at:
| [  328.460147][ T9302] vprintk_emit (kernel/printk/printk.c:2471)
| [  328.460156][ T9302] Tainted: [W]=WARN
[  328.460157][ T9302] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[  328.460158][ T9302] Call Trace:
[  328.460160][ T9302]  <TASK>
[  328.460162][ T9302]  dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120)
[  328.460168][ T9302]  ? vprintk_emit (kernel/printk/printk.c:2471)
[  328.460169][ T9302]  __might_resched.cold (kernel/sched/core.c:9234)
[  328.460174][ T9302]  ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3))
[  328.460178][ T9302]  ? __kmalloc_noprof (./include/linux/sched/mm.h:317 mm/slub.c:4636 mm/slub.c:4974 mm/slub.c:5413 mm/slub.c:5439)
[  328.460183][ T9302]  __kmalloc_noprof (./include/linux/sched/mm.h:322 (discriminator 2) mm/slub.c:4636 (discriminator 2) mm/slub.c:4974 (discriminator 2) mm/slub.c:5413 (discriminator 2) mm/slub.c:5439 (discriminator 2))
[  328.460185][ T9302]  ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[  328.460191][ T9302]  ? do_raw_spin_unlock (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:32 ./include/asm-generic/qspinlock.h:58 kernel/locking/spinlock_debug.c:101 kernel/locking/spinlock_debug.c:141)
[  328.460194][ T9302]  alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[  328.460198][ T9302]  put_chars (drivers/char/virtio_console.c:1176)
[  328.460201][ T9302]  ? __send_to_port (drivers/char/virtio_console.c:654)
[  328.460204][ T9302]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380)
[  328.460207][ T9302]  ? validate_chain (kernel/locking/lockdep.c:3817 (discriminator 2) kernel/locking/lockdep.c:3837 (discriminator 2) kernel/locking/lockdep.c:3892 (discriminator 2))
[  328.460212][ T9302]  hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2))
[  328.460216][ T9302]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[  328.460217][ T9302]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[  328.460222][ T9302]  ? hvc_write (drivers/tty/hvc/hvc_console.c:501)
[  328.460226][ T9302]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  328.460228][ T9302]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  328.460232][ T9302]  console_emit_next_record (kernel/printk/printk.c:3183)
[  328.460237][ T9302]  ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20)
[  328.460239][ T9302]  ? console_flush_one_record (./include/linux/rcupdate.h:314 (discriminator 2) ./include/linux/srcu.h:439 (discriminator 2) kernel/printk/printk.c:291 (discriminator 2) kernel/printk/printk.c:3246 (discriminator 2))
[  328.460242][ T9302]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  328.460244][ T9302]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  328.460248][ T9302]  console_flush_one_record (kernel/printk/printk.c:3268)
[  328.460252][ T9302]  ? console_emit_next_record (kernel/printk/printk.c:3150)
[  328.460254][ T9302]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[  328.460260][ T9302]  console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420)
[  328.460262][ T9302]  ? console_flush_one_record (kernel/printk/printk.c:3316)
[  328.460264][ T9302]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  328.460266][ T9302]  ? 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)
[  328.460270][ T9302]  ? __down_trylock_console_sem (kernel/printk/printk.c:334)
[  328.460272][ T9302]  ? vprintk_emit (kernel/printk/printk.c:2478)
[  328.460275][ T9302]  vprintk_emit (kernel/printk/printk.c:2479)
[  328.460278][ T9302]  ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126))
[  328.460284][ T9302]  _printk (kernel/printk/printk.c:2504)
[  328.460287][ T9302]  ? snapshot_read.cold (user.c:?)
[  328.460290][ T9302]  ? lockdep_rtnl_is_held (./include/linux/lockdep.h:249 net/core/rtnetlink.c:182)
[  328.460293][ T9302]  ? netdev_upper_get_next_dev_rcu (net/core/dev.c:8213 (discriminator 5))
[  328.460297][ T9302]  ? __netdev_update_features (net/core/dev.c:11078 (discriminator 2))
[  328.460299][ T9302]  ? netdev_name (./include/linux/netdevice.h:5709 (discriminator 1))
[  328.460303][ T9302]  ? __netdev_printk (net/core/dev.c:13148 (discriminator 2))
[  328.460307][ T9302]  netdev_info (net/core/dev.c:13195 (discriminator 3))
[  328.460310][ T9302]  ? netdev_notice (net/core/dev.c:13194)
[  328.460312][ T9302]  ? ovs_netdev_link (net/openvswitch/vport-netdev.c:85) openvswitch
[  328.460321][ T9302]  ? 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)
[  328.460324][ T9302]  __dev_set_promiscuity.cold (net/core/dev.c:9672 (discriminator 3))
[  328.460327][ T9302]  netif_set_promiscuity (net/core/dev.c:9699)
[  328.460331][ T9302]  dev_set_promiscuity (net/core/dev_api.c:288)
[  328.460333][ T9302]  ? dev_disable_lro (net/core/dev_api.c:267)
[  328.460335][ T9302] ovs_netdev_link (net/openvswitch/vport-netdev.c:106) openvswitch
[  328.460341][ T9302] ovs_vport_add (net/openvswitch/vport.c:209) openvswitch
[  328.460346][ T9302] new_vport (net/openvswitch/datapath.c:203) openvswitch
[  328.460350][ T9302]  ? ovs_lookup_vport (./include/linux/lockdep.h:249 net/openvswitch/datapath.c:120 net/openvswitch/datapath.c:117 net/openvswitch/datapath.c:190) openvswitch
[  328.460355][ T9302] ovs_vport_cmd_new (net/openvswitch/datapath.c:2389) openvswitch
[  328.460361][ T9302]  ? ovs_vport_cmd_fill_info.isra.0 (./include/net/netlink.h:1107 (discriminator 1)) openvswitch
[  328.460364][ T9302]  ? __nla_validate_parse (lib/nlattr.c:635)
[  328.460371][ T9302]  ? __nla_parse (lib/nlattr.c:732)
[  328.460373][ T9302]  ? genl_family_rcv_msg_attrs_parse.isra.0 (./include/net/netlink.h:789 (discriminator 2) net/netlink/genetlink.c:944 (discriminator 2))
[  328.460378][ T9302]  genl_family_rcv_msg_doit (net/netlink/genetlink.c:1114)
[  328.460382][ T9302]  ? genl_family_rcv_msg_attrs_parse.isra.0 (./include/net/netlink.h:785 (discriminator 2))
[  328.460390][ T9302]  ? security_capable (security/security.c:660 (discriminator 11))
[  328.460395][ T9302]  genl_family_rcv_msg (net/netlink/genetlink.c:1194)
[  328.460399][ T9302]  ? genl_family_rcv_msg_dumpit (net/netlink/genetlink.c:1079)
[  328.460401][ T9302]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380)
[  328.460403][ T9302]  ? ovs_vport_cmd_fill_info.isra.0 (./include/net/netlink.h:1107 (discriminator 1)) openvswitch
[  328.460408][ T9302]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[  328.460413][ T9302]  genl_rcv_msg (net/netlink/genetlink.c:1209)
[  328.460417][ T9302]  netlink_rcv_skb (net/netlink/af_netlink.c:2556)
[  328.460419][ T9302]  ? genl_family_rcv_msg (net/netlink/genetlink.c:1136 (discriminator 2))
[  328.460422][ T9302]  ? netlink_ack (./include/linux/skbuff.h:2718)
[  328.460430][ T9302]  ? 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))
[  328.460432][ T9302]  ? 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))
[  328.460436][ T9302]  genl_rcv (net/netlink/genetlink.c:1218)
[  328.460438][ T9302]  netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[  328.460442][ T9302]  ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[  328.460450][ T9302]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[  328.460454][ T9302]  netlink_sendmsg (net/netlink/af_netlink.c:1900)
[  328.460458][ T9302]  ? netlink_unicast (./include/net/net_namespace.h:422 (discriminator 7))
[  328.460460][ T9302]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[  328.460463][ T9302]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554)
[  328.460468][ T9302]  __sock_sendmsg (net/socket.c:800 (discriminator 4) net/socket.c:815 (discriminator 4))
[  328.460471][ T9302]  ? fdget (fs/file.c:1200 fs/file.c:1208)
[  328.460475][ T9302]  __sys_sendto (net/socket.c:2281)
[  328.460478][ T9302]  ? __ia32_sys_getpeername (net/socket.c:2235)
[  328.460490][ T9302]  ? exc_page_fault (arch/x86/mm/fault.c:1483 arch/x86/mm/fault.c:1536)
[  328.460496][ T9302]  __x64_sys_sendto (net/socket.c:2288 net/socket.c:2284 net/socket.c:2284)
[  328.460499][ T9302]  ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22))
[  328.460502][ T9302]  ? lockdep_hardirqs_on (kernel/locking/lockdep.c:4488)
[  328.460504][ T9302]  ? do_syscall_64 (arch/x86/entry/syscall_64.c:81 (discriminator 44))
[  328.460507][ T9302]  do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84)
[  328.460509][ T9302]  ? exc_page_fault (arch/x86/mm/fault.c:1489 (discriminator 3) arch/x86/mm/fault.c:1536 (discriminator 3))
[  328.460511][ T9302]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[  328.460513][ T9302] RIP: 0033:0x7f37f0338312
[  328.460517][ T9302] 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)
[  328.460518][ T9302] RSP: 002b:00007ffd6dfb8e68 EFLAGS: 00000246 ORIG_RAX: 000000000000002c
[  328.460521][ T9302] RAX: ffffffffffffffda RBX: 00007ffd6dfb8f98 RCX: 00007f37f0338312
[  328.460522][ T9302] RDX: 0000000000000038 RSI: 00007f37ec5ba430 RDI: 0000000000000023
[  328.460523][ T9302] RBP: 00007ffd6dfb8e90 R08: 00007ffd6dfb9010 R09: 000000000000000c
[  328.460524][ T9302] R10: 0000000000000000 R11: 0000000000000246 R12: 00007f37ee1a2190
[  328.460525][ T9302] R13: 00007ffd6dfb8f98 R14: 00007f37efc5701a R15: 00007ffd6dfb9388
| [  337.538078][   T70] softirqs last disabled at (8952348): __neigh_ifdown.isra.0 (./include/linux/spinlock.h:353 net/core/neighbour.c:464)
| [  337.538080][   T70] Preemption disabled at:
| [  337.538081][   T70] vprintk_emit (kernel/printk/printk.c:2471)
| [  337.538090][   T70] Tainted: [W]=WARN
[  337.538090][   T70] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[  337.538092][   T70] Workqueue: netns cleanup_net
[  337.538095][   T70] Call Trace:
[  337.538097][   T70]  <TASK>
[  337.538099][   T70]  dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120)
[  337.538105][   T70]  ? vprintk_emit (kernel/printk/printk.c:2471)
[  337.538107][   T70]  __might_resched.cold (kernel/sched/core.c:9234)
[  337.538111][   T70]  ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3))
[  337.538115][   T70]  ? __kmalloc_noprof (./include/linux/sched/mm.h:317 mm/slub.c:4636 mm/slub.c:4974 mm/slub.c:5413 mm/slub.c:5439)
[  337.538120][   T70]  __kmalloc_noprof (./include/linux/sched/mm.h:322 (discriminator 2) mm/slub.c:4636 (discriminator 2) mm/slub.c:4974 (discriminator 2) mm/slub.c:5413 (discriminator 2) mm/slub.c:5439 (discriminator 2))
[  337.538122][   T70]  ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[  337.538128][   T70]  ? do_raw_spin_unlock (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:32 ./include/asm-generic/qspinlock.h:58 kernel/locking/spinlock_debug.c:101 kernel/locking/spinlock_debug.c:141)
[  337.538131][   T70]  alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[  337.538135][   T70]  put_chars (drivers/char/virtio_console.c:1176)
[  337.538137][   T70]  ? prb_final_commit (kernel/printk/printk_ringbuffer.c:1842)
[  337.538139][   T70]  ? __send_to_port (drivers/char/virtio_console.c:654)
[  337.538142][   T70]  ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4116 (discriminator 3) kernel/rcu/tree.c:4108 (discriminator 3))
[  337.538145][   T70]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380)
[  337.538148][   T70]  ? validate_chain (kernel/locking/lockdep.c:3817 (discriminator 2) kernel/locking/lockdep.c:3837 (discriminator 2) kernel/locking/lockdep.c:3892 (discriminator 2))
[  337.538152][   T70]  hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2))
[  337.538156][   T70]  ? mark_usage (kernel/locking/lockdep.c:4690)
[  337.538158][   T70]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[  337.538160][   T70]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[  337.538164][   T70]  ? hvc_write (drivers/tty/hvc/hvc_console.c:501)
[  337.538167][   T70]  ? console_emit_next_record (kernel/printk/printk.c:3095 (discriminator 2) kernel/printk/printk.c:3182 (discriminator 2))
[  337.538170][   T70]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  337.538172][   T70]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  337.538176][   T70]  console_emit_next_record (kernel/printk/printk.c:3183)
[  337.538180][   T70]  ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20)
[  337.538182][   T70]  ? console_flush_one_record (./include/linux/rcupdate.h:314 (discriminator 2) ./include/linux/srcu.h:439 (discriminator 2) kernel/printk/printk.c:291 (discriminator 2) kernel/printk/printk.c:3246 (discriminator 2))
[  337.538186][   T70]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  337.538187][   T70]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  337.538191][   T70]  console_flush_one_record (kernel/printk/printk.c:3268)
[  337.538196][   T70]  ? console_emit_next_record (kernel/printk/printk.c:3150)
[  337.538198][   T70]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[  337.538203][   T70]  console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420)
[  337.538206][   T70]  ? console_flush_one_record (kernel/printk/printk.c:3316)
[  337.538208][   T70]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  337.538210][   T70]  ? 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)
[  337.538214][   T70]  ? __down_trylock_console_sem (kernel/printk/printk.c:334)
[  337.538215][   T70]  ? vprintk_emit (kernel/printk/printk.c:2478)
[  337.538218][   T70]  vprintk_emit (kernel/printk/printk.c:2479)
[  337.538221][   T70]  ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126))
[  337.538224][   T70]  ? net_disable_timestamp (./include/linux/workqueue.h:761)
[  337.538226][   T70]  ? net_generic (./include/linux/rcupdate.h:882 ./include/net/netns/generic.h:48) vxlan
[  337.538235][   T70]  _printk (kernel/printk/printk.c:2504)
[  337.538238][   T70]  ? snapshot_read.cold (user.c:?)
[  337.538243][   T70]  ? netdev_name (./include/linux/netdevice.h:5709 (discriminator 1))
[  337.538247][   T70]  ? __netdev_printk (net/core/dev.c:13148 (discriminator 2))
[  337.538251][   T70]  netdev_info (net/core/dev.c:13195 (discriminator 3))
[  337.538254][   T70]  ? netdev_notice (net/core/dev.c:13194)
[  337.538256][   T70]  ? __netdev_upper_dev_unlink (net/core/dev.c:9094)
[  337.538260][   T70]  ? synchronize_rcu_expedited (kernel/rcu/tree_exp.h:985)
[  337.538265][   T70]  ? 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)
[  337.538268][   T70]  __dev_set_promiscuity.cold (net/core/dev.c:9672 (discriminator 3))
[  337.538272][   T70]  netif_set_promiscuity (net/core/dev.c:9699)
[  337.538276][   T70]  dev_set_promiscuity (net/core/dev_api.c:288)
[  337.538278][   T70]  ? rtnl_is_locked (net/core/rtnetlink.c:169)
[  337.538280][   T70] ovs_netdev_detach_dev (net/openvswitch/vport-netdev.c:174) openvswitch
[  337.538287][   T70] dp_device_event (net/openvswitch/dp_notify.c:74) openvswitch
[  337.538292][   T70]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  337.538294][   T70]  notifier_call_chain (kernel/notifier.c:85)
[  337.538300][   T70]  unregister_netdevice_many_notify (net/core/dev.c:2313 net/core/dev.c:2327 net/core/dev.c:12518)
[  337.538305][   T70]  ? unregister_netdevice_queued (./include/linux/list.h:419 (discriminator 3))
[  337.538312][   T70]  default_device_exit_batch (net/core/dev.c:12589 net/core/dev.c:13288)
[  337.538316][   T70]  ? unregister_netdevice_queue (./include/linux/list.h:173)
[  337.538318][   T70]  ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3))
[  337.538321][   T70]  ? fou_exit_net (net/ipv4/fou_core.c:1228)
[  337.538326][   T70]  ops_undo_list (net/core/net_namespace.c:206 net/core/net_namespace.c:253)
[  337.538329][   T70]  ? lockdep_hardirqs_on (kernel/locking/lockdep.c:4488)
[  337.538333][   T70]  ? netns_install (./include/linux/ns_common.h:26)
[  337.538335][   T70]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554)
[  337.538338][   T70]  ? idr_destroy (lib/radix-tree.c:310 lib/radix-tree.c:674 lib/radix-tree.c:1563)
[  337.538343][   T70]  cleanup_net (net/core/net_namespace.c:706)
[  337.538346][   T70]  ? net_passive_dec (./include/linux/llist.h:241)
[  337.538350][   T70]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  337.538352][   T70]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  337.538355][   T70]  process_one_work (kernel/workqueue.c:3387)
[  337.538362][   T70]  ? __queue_delayed_work (kernel/workqueue.c:2622)
[  337.538365][   T70]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2))
[  337.538373][   T70]  worker_thread (kernel/workqueue.c:3470 kernel/workqueue.c:3551)
[  337.538377][   T70]  ? rescuer_thread (./include/linux/list.h:419 (discriminator 3))
[  337.538379][   T70]  ? __kthread_parkme (./include/linux/instrumented.h:82 ./include/asm-generic/bitops/instrumented-non-atomic.h:141 kernel/kthread.c:272)
[  337.538382][   T70]  ? rescuer_thread (./include/linux/list.h:419 (discriminator 3))
[  337.538385][   T70]  ? rescuer_thread (./include/linux/list.h:419 (discriminator 3))
[  337.538387][   T70]  kthread (kernel/kthread.c:436)
[  337.538389][   T70]  ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22))
[  337.538393][   T70]  ? kthread_affine_preferred (kernel/kthread.c:857)
[  337.538396][   T70]  ret_from_fork (arch/x86/kernel/process.c:158)
[  337.538400][   T70]  ? arch_exit_to_user_mode_prepare.isra.0 (arch/x86/entry/vdso/vma.c:80 (discriminator 1))
[  337.538404][   T70]  ? __switch_to (arch/x86/kernel/process_64.c:403 arch/x86/kernel/process_64.c:663)
[  337.538407][   T70]  ? kthread_affine_preferred (kernel/kthread.c:857)
[  337.538410][   T70]  ret_from_fork_asm (arch/x86/entry/entry_64.S:245)
| [  339.869848][ T9556] softirqs last disabled at (390847): __irq_exit_rcu (kernel/softirq.c:679 kernel/softirq.c:519 kernel/softirq.c:767)
| [  339.869850][ T9556] Preemption disabled at:
| [  339.869851][ T9556] vprintk_emit (kernel/printk/printk.c:2471)
| [  339.869859][ T9556] Tainted: [W]=WARN
[  339.869860][ T9556] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[  339.869862][ T9556] Call Trace:
[  339.869864][ T9556]  <TASK>
[  339.869865][ T9556]  dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120)
[  339.869871][ T9556]  ? vprintk_emit (kernel/printk/printk.c:2471)
[  339.869873][ T9556]  __might_resched.cold (kernel/sched/core.c:9234)
[  339.869877][ T9556]  ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3))
[  339.869881][ T9556]  ? __kmalloc_noprof (./include/linux/sched/mm.h:317 mm/slub.c:4636 mm/slub.c:4974 mm/slub.c:5413 mm/slub.c:5439)
[  339.869885][ T9556]  __kmalloc_noprof (./include/linux/sched/mm.h:322 (discriminator 2) mm/slub.c:4636 (discriminator 2) mm/slub.c:4974 (discriminator 2) mm/slub.c:5413 (discriminator 2) mm/slub.c:5439 (discriminator 2))
[  339.869887][ T9556]  ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[  339.869894][ T9556]  ? do_raw_spin_unlock (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:32 ./include/asm-generic/qspinlock.h:58 kernel/locking/spinlock_debug.c:101 kernel/locking/spinlock_debug.c:141)
[  339.869897][ T9556]  alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[  339.869901][ T9556]  put_chars (drivers/char/virtio_console.c:1176)
[  339.869903][ T9556]  ? __send_to_port (drivers/char/virtio_console.c:654)
[  339.869905][ T9556]  ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4116 (discriminator 3) kernel/rcu/tree.c:4108 (discriminator 3))
[  339.869908][ T9556]  ? validate_chain (kernel/locking/lockdep.c:3817 (discriminator 2) kernel/locking/lockdep.c:3837 (discriminator 2) kernel/locking/lockdep.c:3892 (discriminator 2))
[  339.869914][ T9556]  hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2))
[  339.869921][ T9556]  ? hvc_write (drivers/tty/hvc/hvc_console.c:501)
[  339.869924][ T9556]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  339.869926][ T9556]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  339.869930][ T9556]  console_emit_next_record (kernel/printk/printk.c:3183)
[  339.869935][ T9556]  ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20)
[  339.869936][ T9556]  ? console_flush_one_record (./include/linux/rcupdate.h:314 (discriminator 2) ./include/linux/srcu.h:439 (discriminator 2) kernel/printk/printk.c:291 (discriminator 2) kernel/printk/printk.c:3246 (discriminator 2))
[  339.869940][ T9556]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  339.869941][ T9556]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  339.869945][ T9556]  console_flush_one_record (kernel/printk/printk.c:3268)
[  339.869950][ T9556]  ? console_emit_next_record (kernel/printk/printk.c:3150)
[  339.869951][ T9556]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[  339.869957][ T9556]  console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420)
[  339.869960][ T9556]  ? console_flush_one_record (kernel/printk/printk.c:3316)
[  339.869962][ T9556]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  339.869963][ T9556]  ? lock_acquire (./include/linux/srcutree.h:374 ./include/linux/srcu.h:541 ./include/linux/srcu.h:645 ./include/trace/events/lock.h:23 ./include/trace/events/lock.h:23 kernel/locking/lockdep.c:5871)
[  339.869967][ T9556]  ? __down_trylock_console_sem (kernel/printk/printk.c:334)
[  339.869969][ T9556]  ? vprintk_emit (kernel/printk/printk.c:2478)
[  339.869972][ T9556]  vprintk_emit (kernel/printk/printk.c:2479)
[  339.869975][ T9556]  ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126))
[  339.869977][ T9556]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380)
[  339.869980][ T9556]  ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4116 (discriminator 3) kernel/rcu/tree.c:4108 (discriminator 3))
[  339.869984][ T9556]  _printk (kernel/printk/printk.c:2504)
[  339.869987][ T9556]  ? snapshot_read.cold (user.c:?)
[  339.869991][ T9556]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  339.869993][ T9556]  ? netdev_name (./include/linux/netdevice.h:5709 (discriminator 1))
[  339.869996][ T9556]  ? __netdev_printk (net/core/dev.c:13148 (discriminator 2))
[  339.870000][ T9556]  netdev_info (net/core/dev.c:13195 (discriminator 3))
[  339.870003][ T9556]  ? netdev_notice (net/core/dev.c:13194)
[  339.870005][ T9556]  ? internal_dev_destroy (net/openvswitch/vport-internal_dev.c:178) openvswitch
[  339.870010][ T9556]  ? ww_mutex_lock (kernel/locking/mutex.c:934)
[  339.870015][ T9556]  ? mutex_is_locked (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:3188 kernel/locking/mutex.h:48 kernel/locking/mutex.c:65)
[  339.870018][ T9556]  __dev_set_promiscuity.cold (net/core/dev.c:9672 (discriminator 3))
[  339.870021][ T9556]  netif_set_promiscuity (net/core/dev.c:9699)
[  339.870026][ T9556]  dev_set_promiscuity (net/core/dev_api.c:288)
[  339.870030][ T9556] internal_dev_destroy (net/openvswitch/vport-internal_dev.c:179) openvswitch
[  339.870035][ T9556] __dp_destroy (net/openvswitch/datapath.c:1969 (discriminator 1)) openvswitch
[  339.870042][ T9556] ovs_dp_cmd_del (net/openvswitch/datapath.c:2003) openvswitch
[  339.870047][ T9556]  genl_family_rcv_msg_doit (net/netlink/genetlink.c:1114)
[  339.870051][ T9556]  ? genl_family_rcv_msg_attrs_parse.isra.0 (./include/net/netlink.h:785 (discriminator 2))
[  339.870059][ T9556]  ? security_capable (security/security.c:660 (discriminator 11))
[  339.870063][ T9556]  genl_family_rcv_msg (net/netlink/genetlink.c:1194)
[  339.870067][ T9556]  ? genl_family_rcv_msg_dumpit (net/netlink/genetlink.c:1079)
[  339.870070][ T9556]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380)
[  339.870072][ T9556]  ? __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
[  339.870076][ T9556]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[  339.870082][ T9556]  genl_rcv_msg (net/netlink/genetlink.c:1209)
[  339.870085][ T9556]  netlink_rcv_skb (net/netlink/af_netlink.c:2556)
[  339.870087][ T9556]  ? genl_family_rcv_msg (net/netlink/genetlink.c:1136 (discriminator 2))
[  339.870091][ T9556]  ? netlink_ack (./include/linux/skbuff.h:2718)
[  339.870098][ T9556]  ? netlink_deliver_tap (./include/linux/rcupdate.h:319 (discriminator 2) ./include/linux/rcupdate.h:880 (discriminator 2) ./include/net/netns/generic.h:48 (discriminator 2) net/netlink/af_netlink.c:334 (discriminator 2))
[  339.870100][ T9556]  ? netlink_deliver_tap (./include/linux/rcupdate.h:319 (discriminator 2) ./include/linux/rcupdate.h:880 (discriminator 2) net/netlink/af_netlink.c:341 (discriminator 2))
[  339.870104][ T9556]  genl_rcv (net/netlink/genetlink.c:1218)
[  339.870106][ T9556]  netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[  339.870110][ T9556]  ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[  339.870113][ T9556]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[  339.870117][ T9556]  netlink_sendmsg (net/netlink/af_netlink.c:1900)
[  339.870121][ T9556]  ? netlink_unicast (./include/net/net_namespace.h:422 (discriminator 7))
[  339.870123][ T9556]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[  339.870126][ T9556]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554)
[  339.870131][ T9556]  __sock_sendmsg (net/socket.c:800 (discriminator 4) net/socket.c:815 (discriminator 4))
[  339.870134][ T9556]  ? fdget (fs/file.c:1200 fs/file.c:1208)
[  339.870138][ T9556]  __sys_sendto (net/socket.c:2281)
[  339.870141][ T9556]  ? __ia32_sys_getpeername (net/socket.c:2235)
[  339.870151][ T9556]  ? exc_page_fault (arch/x86/mm/fault.c:1483 arch/x86/mm/fault.c:1536)
[  339.870156][ T9556]  __x64_sys_sendto (net/socket.c:2288 net/socket.c:2284 net/socket.c:2284)
[  339.870159][ T9556]  ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22))
[  339.870162][ T9556]  ? lockdep_hardirqs_on (kernel/locking/lockdep.c:4488)
[  339.870164][ T9556]  ? do_syscall_64 (arch/x86/entry/syscall_64.c:81 (discriminator 44))
[  339.870166][ T9556]  do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84)
[  339.870168][ T9556]  ? exc_page_fault (arch/x86/mm/fault.c:1489 (discriminator 3) arch/x86/mm/fault.c:1536 (discriminator 3))
[  339.870171][ T9556]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[  339.870173][ T9556] RIP: 0033:0x7fc86699b312
[  339.870176][ T9556] Code: 08 0f 85 71 41 ff ff 49 89 fb 48 89 f0 48 89 d7 48 89 ce 4c 89 c2 4d 89 ca 4c 8b 44 24 08 4c 8b 4c 24 10 4c 89 5c 24 08 0f 05 <c3> 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 00 f3 0f 1e fa 55 bf 01 00
All code
========
   0:	08 0f                	or     %cl,(%rdi)
   2:	85 71 41             	test   %esi,0x41(%rcx)
   5:	ff                   	(bad)
   6:	ff 49 89             	decl   -0x77(%rcx)
   9:	fb                   	sti
   a:	48 89 f0             	mov    %rsi,%rax
   d:	48 89 d7             	mov    %rdx,%rdi
  10:	48 89 ce             	mov    %rcx,%rsi
  13:	4c 89 c2             	mov    %r8,%rdx
  16:	4d 89 ca             	mov    %r9,%r10
  19:	4c 8b 44 24 08       	mov    0x8(%rsp),%r8
  1e:	4c 8b 4c 24 10       	mov    0x10(%rsp),%r9
  23:	4c 89 5c 24 08       	mov    %r11,0x8(%rsp)
  28:	0f 05                	syscall
  2a:*	c3                   	ret		<-- trapping instruction
  2b:	66 2e 0f 1f 84 00 00 	cs nopw 0x0(%rax,%rax,1)
  32:	00 00 00 
  35:	0f 1f 00             	nopl   (%rax)
  38:	f3 0f 1e fa          	endbr64
  3c:	55                   	push   %rbp
  3d:	bf                   	.byte 0xbf
  3e:	01 00                	add    %eax,(%rax)

Code starting with the faulting instruction
===========================================
   0:	c3                   	ret
   1:	66 2e 0f 1f 84 00 00 	cs nopw 0x0(%rax,%rax,1)
   8:	00 00 00 
   b:	0f 1f 00             	nopl   (%rax)
   e:	f3 0f 1e fa          	endbr64
  12:	55                   	push   %rbp
  13:	bf                   	.byte 0xbf
  14:	01 00                	add    %eax,(%rax)
[  339.870178][ T9556] RSP: 002b:00007ffe3dcff368 EFLAGS: 00000246 ORIG_RAX: 000000000000002c
[  339.870181][ T9556] RAX: ffffffffffffffda RBX: 00007ffe3dcff498 RCX: 00007fc86699b312
[  339.870182][ T9556] RDX: 0000000000000024 RSI: 00007fc86251d7d0 RDI: 0000000000000020
[  339.870183][ T9556] RBP: 00007ffe3dcff390 R08: 00007ffe3dcff510 R09: 000000000000000c
[  339.870184][ T9556] R10: 0000000000000000 R11: 0000000000000246 R12: 00007fc8647fde10
[  339.870185][ T9556] R13: 00007ffe3dcff498 R14: 00007fc8662ba01a R15: 00007ffe3dcff888
| [  342.761135][ T9651] softirqs last disabled at (403940): __alloc_skb (./include/linux/bottom_half.h:20 (discriminator 2) net/core/skbuff.c:697 (discriminator 2))
| [  342.761138][ T9651] Preemption disabled at:
| [  342.761138][ T9651] vprintk_emit (kernel/printk/printk.c:2471)
| [  342.761147][ T9651] Tainted: [W]=WARN
[  342.761148][ T9651] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[  342.761150][ T9651] Call Trace:
[  342.761151][ T9651]  <TASK>
[  342.761153][ T9651]  dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120)
[  342.761159][ T9651]  ? vprintk_emit (kernel/printk/printk.c:2471)
[  342.761160][ T9651]  __might_resched.cold (kernel/sched/core.c:9234)
[  342.761165][ T9651]  ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3))
[  342.761169][ T9651]  ? __kmalloc_noprof (./include/linux/sched/mm.h:317 mm/slub.c:4636 mm/slub.c:4974 mm/slub.c:5413 mm/slub.c:5439)
[  342.761174][ T9651]  __kmalloc_noprof (./include/linux/sched/mm.h:322 (discriminator 2) mm/slub.c:4636 (discriminator 2) mm/slub.c:4974 (discriminator 2) mm/slub.c:5413 (discriminator 2) mm/slub.c:5439 (discriminator 2))
[  342.761176][ T9651]  ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[  342.761183][ T9651]  ? do_raw_spin_unlock (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:32 ./include/asm-generic/qspinlock.h:58 kernel/locking/spinlock_debug.c:101 kernel/locking/spinlock_debug.c:141)
[  342.761186][ T9651]  alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[  342.761189][ T9651]  put_chars (drivers/char/virtio_console.c:1176)
[  342.761192][ T9651]  ? __send_to_port (drivers/char/virtio_console.c:654)
[  342.761194][ T9651]  ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4116 (discriminator 3) kernel/rcu/tree.c:4108 (discriminator 3))
[  342.761197][ T9651]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380)
[  342.761200][ T9651]  ? validate_chain (kernel/locking/lockdep.c:3817 (discriminator 2) kernel/locking/lockdep.c:3837 (discriminator 2) kernel/locking/lockdep.c:3892 (discriminator 2))
[  342.761204][ T9651]  hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2))
[  342.761208][ T9651]  ? mark_usage (kernel/locking/lockdep.c:4690)
[  342.761210][ T9651]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[  342.761212][ T9651]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[  342.761216][ T9651]  ? hvc_write (drivers/tty/hvc/hvc_console.c:501)
[  342.761218][ T9651]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2))
[  342.761223][ T9651]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  342.761227][ T9651]  console_emit_next_record (kernel/printk/printk.c:3183)
[  342.761231][ T9651]  ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20)
[  342.761232][ T9651]  ? console_flush_one_record (./include/linux/rcupdate.h:314 (discriminator 2) ./include/linux/srcu.h:439 (discriminator 2) kernel/printk/printk.c:291 (discriminator 2) kernel/printk/printk.c:3246 (discriminator 2))
[  342.761236][ T9651]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  342.761238][ T9651]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  342.761242][ T9651]  console_flush_one_record (kernel/printk/printk.c:3268)
[  342.761246][ T9651]  ? console_emit_next_record (kernel/printk/printk.c:3150)
[  342.761248][ T9651]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[  342.761253][ T9651]  console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420)
[  342.761256][ T9651]  ? console_flush_one_record (kernel/printk/printk.c:3316)
[  342.761257][ T9651]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  342.761259][ T9651]  ? 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)
[  342.761263][ T9651]  ? __down_trylock_console_sem (kernel/printk/printk.c:334)
[  342.761265][ T9651]  ? vprintk_emit (kernel/printk/printk.c:2478)
[  342.761267][ T9651]  vprintk_emit (kernel/printk/printk.c:2479)
[  342.761271][ T9651]  ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126))
[  342.761273][ T9651]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554)
[  342.761274][ T9651]  ? genl_family_rcv_msg (net/netlink/genetlink.c:1194)
[  342.761279][ T9651]  _printk (kernel/printk/printk.c:2504)
[  342.761282][ T9651]  ? snapshot_read.cold (user.c:?)
[  342.761284][ T9651]  ? ___ratelimit (lib/ratelimit.c:97 (discriminator 3))
[  342.761290][ T9651]  ? idr_get_free (??:?)
[  342.761294][ T9651]  validate_nla.cold (lib/nlattr.c:414 (discriminator 4))
[  342.761304][ T9651]  ? nla_get_range_signed (lib/nlattr.c:270)
[  342.761309][ T9651]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  342.761311][ T9651]  ? trace_kmalloc (./include/trace/events/kmem.h:57 (discriminator 22))
[  342.761315][ T9651]  __nla_validate_parse (lib/nlattr.c:635)
[  342.761320][ T9651]  __nla_parse (lib/nlattr.c:732)
[  342.761323][ T9651]  genl_family_rcv_msg_attrs_parse.isra.0 (./include/net/netlink.h:789 (discriminator 2) net/netlink/genetlink.c:944 (discriminator 2))
[  342.761328][ T9651]  genl_family_rcv_msg_doit (net/netlink/genetlink.c:1092)
[  342.761331][ T9651]  ? genl_family_rcv_msg_attrs_parse.isra.0 (./include/net/netlink.h:785 (discriminator 2))
[  342.761339][ T9651]  ? security_capable (security/security.c:660 (discriminator 11))
[  342.761344][ T9651]  genl_family_rcv_msg (net/netlink/genetlink.c:1194)
[  342.761347][ T9651]  ? genl_family_rcv_msg_dumpit (net/netlink/genetlink.c:1079)
[  342.761350][ T9651]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380)
[  342.761352][ T9651]  ? ovs_dp_cmd_get (./include/net/net_namespace.h:422 (discriminator 7)) openvswitch
[  342.761360][ T9651]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[  342.761366][ T9651]  genl_rcv_msg (net/netlink/genetlink.c:1209)
[  342.761369][ T9651]  netlink_rcv_skb (net/netlink/af_netlink.c:2556)
[  342.761371][ T9651]  ? genl_family_rcv_msg (net/netlink/genetlink.c:1136 (discriminator 2))
[  342.761375][ T9651]  ? netlink_ack (./include/linux/skbuff.h:2718)
[  342.761382][ T9651]  ? 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))
[  342.761384][ T9651]  ? 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))
[  342.761388][ T9651]  genl_rcv (net/netlink/genetlink.c:1218)
[  342.761390][ T9651]  netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[  342.761394][ T9651]  ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[  342.761398][ T9651]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[  342.761401][ T9651]  netlink_sendmsg (net/netlink/af_netlink.c:1900)
[  342.761405][ T9651]  ? netlink_unicast (./include/net/net_namespace.h:422 (discriminator 7))
[  342.761407][ T9651]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[  342.761410][ T9651]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554)
[  342.761415][ T9651]  __sock_sendmsg (net/socket.c:800 (discriminator 4) net/socket.c:815 (discriminator 4))
[  342.761417][ T9651]  ? fdget (fs/file.c:1200 fs/file.c:1208)
[  342.761421][ T9651]  __sys_sendto (net/socket.c:2281)
[  342.761424][ T9651]  ? __ia32_sys_getpeername (net/socket.c:2235)
[  342.761435][ T9651]  ? fput_close_sync (fs/file_table.c:617)
[  342.761438][ T9651]  ? alloc_file_clone (fs/file_table.c:479)
[  342.761442][ T9651]  __x64_sys_sendto (net/socket.c:2288 net/socket.c:2284 net/socket.c:2284)
[  342.761445][ T9651]  ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22))
[  342.761448][ T9651]  ? lockdep_hardirqs_on (kernel/locking/lockdep.c:4488)
[  342.761451][ T9651]  ? do_syscall_64 (arch/x86/entry/syscall_64.c:81 (discriminator 44))
[  342.761453][ T9651]  do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84)
[  342.761455][ T9651]  ? exc_page_fault (arch/x86/mm/fault.c:1489 (discriminator 3) arch/x86/mm/fault.c:1536 (discriminator 3))
[  342.761458][ T9651]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[  342.761460][ T9651] RIP: 0033:0x7f8bd45fc312
[  342.761463][ T9651] 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)
[  342.761466][ T9651] RSP: 002b:00007ffc12151998 EFLAGS: 00000246 ORIG_RAX: 000000000000002c
[  342.761474][ T9651] RAX: ffffffffffffffda RBX: 00007ffc12151ac8 RCX: 00007f8bd45fc312
[  342.761475][ T9651] RDX: 0000000000000044 RSI: 00007f8bd01d7000 RDI: 0000000000000020
[  342.761476][ T9651] RBP: 00007ffc121519c0 R08: 00007ffc12151b40 R09: 000000000000000c
[  342.761477][ T9651] R10: 0000000000000000 R11: 0000000000000246 R12: 00007f8bd246a0b0
[  342.761478][ T9651] R13: 00007ffc12151ac8 R14: 00007f8bd3f1b01a R15: 00007ffc12151eb8
| [  343.848076][ T9681] softirqs last disabled at (377064): inet6_fill_ifla6_attrs (net/ipv6/addrconf.c:5883)
| [  343.848078][ T9681] Preemption disabled at:
| [  343.848079][ T9681] vprintk_emit (kernel/printk/printk.c:2471)
| [  343.848088][ T9681] Tainted: [W]=WARN
[  343.848089][ T9681] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[  343.848090][ T9681] Call Trace:
[  343.848092][ T9681]  <TASK>
[  343.848094][ T9681]  dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120)
[  343.848100][ T9681]  ? vprintk_emit (kernel/printk/printk.c:2471)
[  343.848102][ T9681]  __might_resched.cold (kernel/sched/core.c:9234)
[  343.848107][ T9681]  ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3))
[  343.848111][ T9681]  ? __kmalloc_noprof (./include/linux/sched/mm.h:317 mm/slub.c:4636 mm/slub.c:4974 mm/slub.c:5413 mm/slub.c:5439)
[  343.848116][ T9681]  __kmalloc_noprof (./include/linux/sched/mm.h:322 (discriminator 2) mm/slub.c:4636 (discriminator 2) mm/slub.c:4974 (discriminator 2) mm/slub.c:5413 (discriminator 2) mm/slub.c:5439 (discriminator 2))
[  343.848118][ T9681]  ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[  343.848125][ T9681]  ? do_raw_spin_unlock (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:32 ./include/asm-generic/qspinlock.h:58 kernel/locking/spinlock_debug.c:101 kernel/locking/spinlock_debug.c:141)
[  343.848128][ T9681]  alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[  343.848132][ T9681]  put_chars (drivers/char/virtio_console.c:1176)
[  343.848134][ T9681]  ? __send_to_port (drivers/char/virtio_console.c:654)
[  343.848138][ T9681]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380)
[  343.848141][ T9681]  ? validate_chain (kernel/locking/lockdep.c:3817 (discriminator 2) kernel/locking/lockdep.c:3837 (discriminator 2) kernel/locking/lockdep.c:3892 (discriminator 2))
[  343.848145][ T9681]  hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2))
[  343.848149][ T9681]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[  343.848151][ T9681]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[  343.848156][ T9681]  ? hvc_write (drivers/tty/hvc/hvc_console.c:501)
[  343.848160][ T9681]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  343.848162][ T9681]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  343.848166][ T9681]  console_emit_next_record (kernel/printk/printk.c:3183)
[  343.848171][ T9681]  ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20)
[  343.848173][ T9681]  ? console_flush_one_record (./include/linux/rcupdate.h:314 (discriminator 2) ./include/linux/srcu.h:439 (discriminator 2) kernel/printk/printk.c:291 (discriminator 2) kernel/printk/printk.c:3246 (discriminator 2))
[  343.848176][ T9681]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  343.848178][ T9681]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  343.848182][ T9681]  console_flush_one_record (kernel/printk/printk.c:3268)
[  343.848187][ T9681]  ? console_emit_next_record (kernel/printk/printk.c:3150)
[  343.848189][ T9681]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[  343.848194][ T9681]  console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420)
[  343.848197][ T9681]  ? console_flush_one_record (kernel/printk/printk.c:3316)
[  343.848199][ T9681]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  343.848201][ T9681]  ? 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)
[  343.848205][ T9681]  ? __down_trylock_console_sem (kernel/printk/printk.c:334)
[  343.848207][ T9681]  ? vprintk_emit (kernel/printk/printk.c:2478)
[  343.848209][ T9681]  vprintk_emit (kernel/printk/printk.c:2479)
[  343.848213][ T9681]  ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126))
[  343.848218][ T9681]  _printk (kernel/printk/printk.c:2504)
[  343.848222][ T9681]  ? snapshot_read.cold (user.c:?)
[  343.848224][ T9681]  ? lockdep_rtnl_is_held (./include/linux/lockdep.h:249 net/core/rtnetlink.c:182)
[  343.848228][ T9681]  ? netdev_upper_get_next_dev_rcu (net/core/dev.c:8213 (discriminator 5))
[  343.848232][ T9681]  ? __netdev_update_features (net/core/dev.c:11078 (discriminator 2))
[  343.848234][ T9681]  ? netdev_name (./include/linux/netdevice.h:5709 (discriminator 1))
[  343.848238][ T9681]  ? __netdev_printk (net/core/dev.c:13148 (discriminator 2))
[  343.848242][ T9681]  netdev_info (net/core/dev.c:13195 (discriminator 3))
[  343.848245][ T9681]  ? netdev_notice (net/core/dev.c:13194)
[  343.848247][ T9681]  ? ovs_netdev_link (net/openvswitch/vport-netdev.c:85) openvswitch
[  343.848255][ T9681]  ? 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)
[  343.848258][ T9681]  __dev_set_promiscuity.cold (net/core/dev.c:9672 (discriminator 3))
[  343.848262][ T9681]  netif_set_promiscuity (net/core/dev.c:9699)
[  343.848266][ T9681]  dev_set_promiscuity (net/core/dev_api.c:288)
[  343.848268][ T9681]  ? dev_disable_lro (net/core/dev_api.c:267)
[  343.848270][ T9681] ovs_netdev_link (net/openvswitch/vport-netdev.c:106) openvswitch
[  343.848275][ T9681] ovs_vport_add (net/openvswitch/vport.c:209) openvswitch
[  343.848280][ T9681] new_vport (net/openvswitch/datapath.c:203) openvswitch
[  343.848285][ T9681]  ? ovs_lookup_vport (./include/linux/lockdep.h:249 net/openvswitch/datapath.c:120 net/openvswitch/datapath.c:117 net/openvswitch/datapath.c:190) openvswitch
[  343.848289][ T9681] ovs_vport_cmd_new (net/openvswitch/datapath.c:2389) openvswitch
[  343.848295][ T9681]  ? ovs_vport_cmd_fill_info.isra.0 (./include/net/netlink.h:1107 (discriminator 1)) openvswitch
[  343.848299][ T9681]  ? __nla_validate_parse (lib/nlattr.c:635)
[  343.848305][ T9681]  ? __nla_parse (lib/nlattr.c:732)
[  343.848308][ T9681]  ? genl_family_rcv_msg_attrs_parse.isra.0 (./include/net/netlink.h:789 (discriminator 2) net/netlink/genetlink.c:944 (discriminator 2))
[  343.848313][ T9681]  genl_family_rcv_msg_doit (net/netlink/genetlink.c:1114)
[  343.848316][ T9681]  ? genl_family_rcv_msg_attrs_parse.isra.0 (./include/net/netlink.h:785 (discriminator 2))
[  343.848324][ T9681]  ? security_capable (security/security.c:660 (discriminator 11))
[  343.848329][ T9681]  genl_family_rcv_msg (net/netlink/genetlink.c:1194)
[  343.848333][ T9681]  ? genl_family_rcv_msg_dumpit (net/netlink/genetlink.c:1079)
[  343.848335][ T9681]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380)
[  343.848338][ T9681]  ? ovs_vport_cmd_fill_info.isra.0 (./include/net/netlink.h:1107 (discriminator 1)) openvswitch
[  343.848342][ T9681]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[  343.848348][ T9681]  genl_rcv_msg (net/netlink/genetlink.c:1209)
[  343.848351][ T9681]  netlink_rcv_skb (net/netlink/af_netlink.c:2556)
[  343.848353][ T9681]  ? genl_family_rcv_msg (net/netlink/genetlink.c:1136 (discriminator 2))
[  343.848357][ T9681]  ? netlink_ack (./include/linux/skbuff.h:2718)
[  343.848364][ T9681]  ? 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))
[  343.848366][ T9681]  ? 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))
[  343.848370][ T9681]  genl_rcv (net/netlink/genetlink.c:1218)
[  343.848372][ T9681]  netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[  343.848376][ T9681]  ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[  343.848380][ T9681]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[  343.848384][ T9681]  netlink_sendmsg (net/netlink/af_netlink.c:1900)
[  343.848388][ T9681]  ? netlink_unicast (./include/net/net_namespace.h:422 (discriminator 7))
[  343.848390][ T9681]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[  343.848393][ T9681]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554)
[  343.848398][ T9681]  __sock_sendmsg (net/socket.c:800 (discriminator 4) net/socket.c:815 (discriminator 4))
[  343.848401][ T9681]  ? fdget (fs/file.c:1200 fs/file.c:1208)
[  343.848405][ T9681]  __sys_sendto (net/socket.c:2281)
[  343.848408][ T9681]  ? __ia32_sys_getpeername (net/socket.c:2235)
[  343.848419][ T9681]  ? exc_page_fault (arch/x86/mm/fault.c:1483 arch/x86/mm/fault.c:1536)
[  343.848426][ T9681]  __x64_sys_sendto (net/socket.c:2288 net/socket.c:2284 net/socket.c:2284)
[  343.848428][ T9681]  ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22))
[  343.848432][ T9681]  ? lockdep_hardirqs_on (kernel/locking/lockdep.c:4488)
[  343.848434][ T9681]  ? do_syscall_64 (arch/x86/entry/syscall_64.c:81 (discriminator 44))
[  343.848437][ T9681]  do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84)
[  343.848439][ T9681]  ? exc_page_fault (arch/x86/mm/fault.c:1489 (discriminator 3) arch/x86/mm/fault.c:1536 (discriminator 3))
[  343.848441][ T9681]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[  343.848444][ T9681] RIP: 0033:0x7f4c34e13312
[  343.848447][ T9681] 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)
[  343.848449][ T9681] RSP: 002b:00007fff706fbc58 EFLAGS: 00000246 ORIG_RAX: 000000000000002c
[  343.848452][ T9681] RAX: ffffffffffffffda RBX: 00007fff706fbd88 RCX: 00007f4c34e13312
[  343.848454][ T9681] RDX: 0000000000000038 RSI: 00007f4c30096070 RDI: 0000000000000023
[  343.848454][ T9681] RBP: 00007fff706fbc80 R08: 00007fff706fbe00 R09: 000000000000000c
[  343.848455][ T9681] R10: 0000000000000000 R11: 0000000000000246 R12: 00007f4c32c7a190
[  343.848456][ T9681] R13: 00007fff706fbd88 R14: 00007f4c3473201a R15: 00007fff706fc178
| [  352.961648][   T70] softirqs last disabled at (9155976): __neigh_ifdown.isra.0 (./include/linux/spinlock.h:353 net/core/neighbour.c:464)
| [  352.961650][   T70] Preemption disabled at:
| [  352.961651][   T70] vprintk_emit (kernel/printk/printk.c:2471)
| [  352.961659][   T70] Tainted: [W]=WARN
[  352.961660][   T70] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[  352.961662][   T70] Workqueue: netns cleanup_net
[  352.961665][   T70] Call Trace:
[  352.961667][   T70]  <TASK>
[  352.961669][   T70]  dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120)
[  352.961675][   T70]  ? vprintk_emit (kernel/printk/printk.c:2471)
[  352.961677][   T70]  __might_resched.cold (kernel/sched/core.c:9234)
[  352.961681][   T70]  ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3))
[  352.961685][   T70]  ? __kmalloc_noprof (./include/linux/sched/mm.h:317 mm/slub.c:4636 mm/slub.c:4974 mm/slub.c:5413 mm/slub.c:5439)
[  352.961690][   T70]  __kmalloc_noprof (./include/linux/sched/mm.h:322 (discriminator 2) mm/slub.c:4636 (discriminator 2) mm/slub.c:4974 (discriminator 2) mm/slub.c:5413 (discriminator 2) mm/slub.c:5439 (discriminator 2))
[  352.961692][   T70]  ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[  352.961698][   T70]  ? do_raw_spin_unlock (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:32 ./include/asm-generic/qspinlock.h:58 kernel/locking/spinlock_debug.c:101 kernel/locking/spinlock_debug.c:141)
[  352.961701][   T70]  alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[  352.961705][   T70]  put_chars (drivers/char/virtio_console.c:1176)
[  352.961707][   T70]  ? prb_final_commit (kernel/printk/printk_ringbuffer.c:1842)
[  352.961709][   T70]  ? __send_to_port (drivers/char/virtio_console.c:654)
[  352.961712][   T70]  ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4116 (discriminator 3) kernel/rcu/tree.c:4108 (discriminator 3))
[  352.961716][   T70]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380)
[  352.961719][   T70]  ? validate_chain (kernel/locking/lockdep.c:3817 (discriminator 2) kernel/locking/lockdep.c:3837 (discriminator 2) kernel/locking/lockdep.c:3892 (discriminator 2))
[  352.961723][   T70]  hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2))
[  352.961727][   T70]  ? mark_usage (kernel/locking/lockdep.c:4690)
[  352.961729][   T70]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[  352.961731][   T70]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[  352.961735][   T70]  ? hvc_write (drivers/tty/hvc/hvc_console.c:501)
[  352.961738][   T70]  ? console_emit_next_record (kernel/printk/printk.c:3095 (discriminator 2) kernel/printk/printk.c:3182 (discriminator 2))
[  352.961741][   T70]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  352.961743][   T70]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  352.961747][   T70]  console_emit_next_record (kernel/printk/printk.c:3183)
[  352.961752][   T70]  ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20)
[  352.961754][   T70]  ? console_flush_one_record (./include/linux/rcupdate.h:314 (discriminator 2) ./include/linux/srcu.h:439 (discriminator 2) kernel/printk/printk.c:291 (discriminator 2) kernel/printk/printk.c:3246 (discriminator 2))
[  352.961757][   T70]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  352.961759][   T70]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  352.961763][   T70]  console_flush_one_record (kernel/printk/printk.c:3268)
[  352.961770][   T70]  ? console_emit_next_record (kernel/printk/printk.c:3150)
[  352.961772][   T70]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[  352.961777][   T70]  console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420)
[  352.961780][   T70]  ? console_flush_one_record (kernel/printk/printk.c:3316)
[  352.961782][   T70]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  352.961784][   T70]  ? 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)
[  352.961788][   T70]  ? __down_trylock_console_sem (kernel/printk/printk.c:334)
[  352.961790][   T70]  ? vprintk_emit (kernel/printk/printk.c:2478)
[  352.961793][   T70]  vprintk_emit (kernel/printk/printk.c:2479)
[  352.961796][   T70]  ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126))
[  352.961799][   T70]  ? net_disable_timestamp (./include/linux/workqueue.h:761)
[  352.961801][   T70]  ? net_generic (./include/linux/rcupdate.h:882 ./include/net/netns/generic.h:48) vxlan
[  352.961810][   T70]  _printk (kernel/printk/printk.c:2504)
[  352.961814][   T70]  ? snapshot_read.cold (user.c:?)
[  352.961819][   T70]  ? netdev_name (./include/linux/netdevice.h:5709 (discriminator 1))
[  352.961823][   T70]  ? __netdev_printk (net/core/dev.c:13148 (discriminator 2))
[  352.961827][   T70]  netdev_info (net/core/dev.c:13195 (discriminator 3))
[  352.961830][   T70]  ? netdev_notice (net/core/dev.c:13194)
[  352.961832][   T70]  ? __netdev_upper_dev_unlink (net/core/dev.c:9094)
[  352.961836][   T70]  ? synchronize_rcu_expedited (kernel/rcu/tree_exp.h:985)
[  352.961841][   T70]  ? 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)
[  352.961844][   T70]  __dev_set_promiscuity.cold (net/core/dev.c:9672 (discriminator 3))
[  352.961848][   T70]  netif_set_promiscuity (net/core/dev.c:9699)
[  352.961852][   T70]  dev_set_promiscuity (net/core/dev_api.c:288)
[  352.961854][   T70]  ? rtnl_is_locked (net/core/rtnetlink.c:169)
[  352.961857][   T70] ovs_netdev_detach_dev (net/openvswitch/vport-netdev.c:174) openvswitch
[  352.961864][   T70] dp_device_event (net/openvswitch/dp_notify.c:74) openvswitch
[  352.961868][   T70]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  352.961870][   T70]  notifier_call_chain (kernel/notifier.c:85)
[  352.961876][   T70]  unregister_netdevice_many_notify (net/core/dev.c:2313 net/core/dev.c:2327 net/core/dev.c:12518)
[  352.961881][   T70]  ? unregister_netdevice_queued (./include/linux/list.h:419 (discriminator 3))
[  352.961889][   T70]  default_device_exit_batch (net/core/dev.c:12589 net/core/dev.c:13288)
[  352.961892][   T70]  ? unregister_netdevice_queue (./include/linux/list.h:173)
[  352.961895][   T70]  ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3))
[  352.961898][   T70]  ? fou_exit_net (net/ipv4/fou_core.c:1228)
[  352.961902][   T70]  ops_undo_list (net/core/net_namespace.c:206 net/core/net_namespace.c:253)
[  352.961906][   T70]  ? lockdep_hardirqs_on (kernel/locking/lockdep.c:4488)
[  352.961910][   T70]  ? netns_install (./include/linux/ns_common.h:26)
[  352.961911][   T70]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554)
[  352.961915][   T70]  ? idr_destroy (lib/radix-tree.c:310 lib/radix-tree.c:674 lib/radix-tree.c:1563)
[  352.961920][   T70]  cleanup_net (net/core/net_namespace.c:706)
[  352.961923][   T70]  ? net_passive_dec (./include/linux/llist.h:241)
[  352.961927][   T70]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  352.961929][   T70]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  352.961932][   T70]  process_one_work (kernel/workqueue.c:3387)
[  352.961939][   T70]  ? __queue_delayed_work (kernel/workqueue.c:2622)
[  352.961942][   T70]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2))
[  352.961950][   T70]  worker_thread (kernel/workqueue.c:3470 kernel/workqueue.c:3551)
[  352.961954][   T70]  ? rescuer_thread (./include/linux/list.h:419 (discriminator 3))
[  352.961957][   T70]  ? __kthread_parkme (./include/linux/instrumented.h:82 ./include/asm-generic/bitops/instrumented-non-atomic.h:141 kernel/kthread.c:272)
[  352.961959][   T70]  ? rescuer_thread (./include/linux/list.h:419 (discriminator 3))
[  352.961962][   T70]  ? rescuer_thread (./include/linux/list.h:419 (discriminator 3))
[  352.961964][   T70]  kthread (kernel/kthread.c:436)
[  352.961967][   T70]  ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22))
[  352.961970][   T70]  ? kthread_affine_preferred (kernel/kthread.c:857)
[  352.961973][   T70]  ret_from_fork (arch/x86/kernel/process.c:158)
[  352.961977][   T70]  ? arch_exit_to_user_mode_prepare.isra.0 (arch/x86/entry/vdso/vma.c:80 (discriminator 1))
[  352.961981][   T70]  ? __switch_to (arch/x86/kernel/process_64.c:403 arch/x86/kernel/process_64.c:663)
[  352.961984][   T70]  ? kthread_affine_preferred (kernel/kthread.c:857)
[  352.961987][   T70]  ret_from_fork_asm (arch/x86/entry/entry_64.S:245)
| [  355.254384][ T9935] softirqs last disabled at (380410): __alloc_skb (./include/linux/bottom_half.h:20 (discriminator 2) net/core/skbuff.c:697 (discriminator 2))
| [  355.254387][ T9935] Preemption disabled at:
| [  355.254387][ T9935] vprintk_emit (kernel/printk/printk.c:2471)
| [  355.254396][ T9935] Tainted: [W]=WARN
[  355.254397][ T9935] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[  355.254399][ T9935] Call Trace:
[  355.254400][ T9935]  <TASK>
[  355.254402][ T9935]  dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120)
[  355.254408][ T9935]  ? vprintk_emit (kernel/printk/printk.c:2471)
[  355.254410][ T9935]  __might_resched.cold (kernel/sched/core.c:9234)
[  355.254415][ T9935]  ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3))
[  355.254419][ T9935]  ? __kmalloc_noprof (./include/linux/sched/mm.h:317 mm/slub.c:4636 mm/slub.c:4974 mm/slub.c:5413 mm/slub.c:5439)
[  355.254424][ T9935]  __kmalloc_noprof (./include/linux/sched/mm.h:322 (discriminator 2) mm/slub.c:4636 (discriminator 2) mm/slub.c:4974 (discriminator 2) mm/slub.c:5413 (discriminator 2) mm/slub.c:5439 (discriminator 2))
[  355.254425][ T9935]  ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[  355.254432][ T9935]  ? do_raw_spin_unlock (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:32 ./include/asm-generic/qspinlock.h:58 kernel/locking/spinlock_debug.c:101 kernel/locking/spinlock_debug.c:141)
[  355.254435][ T9935]  alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[  355.254439][ T9935]  put_chars (drivers/char/virtio_console.c:1176)
[  355.254442][ T9935]  ? __send_to_port (drivers/char/virtio_console.c:654)
[  355.254443][ T9935]  ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4116 (discriminator 3) kernel/rcu/tree.c:4108 (discriminator 3))
[  355.254447][ T9935]  ? validate_chain (kernel/locking/lockdep.c:3817 (discriminator 2) kernel/locking/lockdep.c:3837 (discriminator 2) kernel/locking/lockdep.c:3892 (discriminator 2))
[  355.254453][ T9935]  hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2))
[  355.254461][ T9935]  ? hvc_write (drivers/tty/hvc/hvc_console.c:501)
[  355.254463][ T9935]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  355.254465][ T9935]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  355.254470][ T9935]  console_emit_next_record (kernel/printk/printk.c:3183)
[  355.254474][ T9935]  ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20)
[  355.254476][ T9935]  ? console_flush_one_record (./include/linux/rcupdate.h:314 (discriminator 2) ./include/linux/srcu.h:439 (discriminator 2) kernel/printk/printk.c:291 (discriminator 2) kernel/printk/printk.c:3246 (discriminator 2))
[  355.254479][ T9935]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  355.254481][ T9935]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  355.254485][ T9935]  console_flush_one_record (kernel/printk/printk.c:3268)
[  355.254495][ T9935]  ? console_emit_next_record (kernel/printk/printk.c:3150)
[  355.254497][ T9935]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[  355.254503][ T9935]  console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420)
[  355.254506][ T9935]  ? console_flush_one_record (kernel/printk/printk.c:3316)
[  355.254507][ T9935]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  355.254509][ T9935]  ? 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)
[  355.254513][ T9935]  ? __down_trylock_console_sem (kernel/printk/printk.c:334)
[  355.254515][ T9935]  ? vprintk_emit (kernel/printk/printk.c:2478)
[  355.254518][ T9935]  vprintk_emit (kernel/printk/printk.c:2479)
[  355.254521][ T9935]  ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126))
[  355.254523][ T9935]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380)
[  355.254526][ T9935]  ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4116 (discriminator 3) kernel/rcu/tree.c:4108 (discriminator 3))
[  355.254530][ T9935]  _printk (kernel/printk/printk.c:2504)
[  355.254534][ T9935]  ? snapshot_read.cold (user.c:?)
[  355.254538][ T9935]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  355.254540][ T9935]  ? netdev_name (./include/linux/netdevice.h:5709 (discriminator 1))
[  355.254543][ T9935]  ? __netdev_printk (net/core/dev.c:13148 (discriminator 2))
[  355.254547][ T9935]  netdev_info (net/core/dev.c:13195 (discriminator 3))
[  355.254550][ T9935]  ? netdev_notice (net/core/dev.c:13194)
[  355.254552][ T9935]  ? internal_dev_destroy (net/openvswitch/vport-internal_dev.c:178) openvswitch
[  355.254557][ T9935]  ? ww_mutex_lock (kernel/locking/mutex.c:934)
[  355.254563][ T9935]  ? 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)
[  355.254566][ T9935]  __dev_set_promiscuity.cold (net/core/dev.c:9672 (discriminator 3))
[  355.254570][ T9935]  netif_set_promiscuity (net/core/dev.c:9699)
[  355.254575][ T9935]  dev_set_promiscuity (net/core/dev_api.c:288)
[  355.254578][ T9935] internal_dev_destroy (net/openvswitch/vport-internal_dev.c:179) openvswitch
[  355.254584][ T9935] __dp_destroy (net/openvswitch/datapath.c:1969 (discriminator 1)) openvswitch
[  355.254591][ T9935] ovs_dp_cmd_del (net/openvswitch/datapath.c:2003) openvswitch
[  355.254596][ T9935]  genl_family_rcv_msg_doit (net/netlink/genetlink.c:1114)
[  355.254600][ T9935]  ? genl_family_rcv_msg_attrs_parse.isra.0 (./include/net/netlink.h:785 (discriminator 2))
[  355.254608][ T9935]  ? security_capable (security/security.c:660 (discriminator 11))
[  355.254613][ T9935]  genl_family_rcv_msg (net/netlink/genetlink.c:1194)
[  355.254617][ T9935]  ? genl_family_rcv_msg_dumpit (net/netlink/genetlink.c:1079)
[  355.254619][ T9935]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380)
[  355.254621][ T9935]  ? __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
[  355.254626][ T9935]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[  355.254631][ T9935]  genl_rcv_msg (net/netlink/genetlink.c:1209)
[  355.254635][ T9935]  netlink_rcv_skb (net/netlink/af_netlink.c:2556)
[  355.254637][ T9935]  ? genl_family_rcv_msg (net/netlink/genetlink.c:1136 (discriminator 2))
[  355.254641][ T9935]  ? netlink_ack (./include/linux/skbuff.h:2718)
[  355.254648][ T9935]  ? 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))
[  355.254650][ T9935]  ? 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))
[  355.254654][ T9935]  genl_rcv (net/netlink/genetlink.c:1218)
[  355.254656][ T9935]  netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[  355.254661][ T9935]  ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[  355.254665][ T9935]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[  355.254668][ T9935]  netlink_sendmsg (net/netlink/af_netlink.c:1900)
[  355.254672][ T9935]  ? netlink_unicast (./include/net/net_namespace.h:422 (discriminator 7))
[  355.254674][ T9935]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[  355.254677][ T9935]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554)
[  355.254682][ T9935]  __sock_sendmsg (net/socket.c:800 (discriminator 4) net/socket.c:815 (discriminator 4))
[  355.254685][ T9935]  ? fdget (fs/file.c:1200 fs/file.c:1208)
[  355.254689][ T9935]  __sys_sendto (net/socket.c:2281)
[  355.254692][ T9935]  ? __ia32_sys_getpeername (net/socket.c:2235)
[  355.254697][ T9935]  ? do_futex (kernel/futex/syscalls.c:133)
[  355.254701][ T9935]  ? __ia32_sys_get_robust_list (kernel/futex/syscalls.c:94)
[  355.254707][ T9935]  ? xfd_validate_state (arch/x86/kernel/fpu/xstate.c:1497 (discriminator 1) arch/x86/kernel/fpu/xstate.c:1543 (discriminator 1))
[  355.254714][ T9935]  __x64_sys_sendto (net/socket.c:2288 net/socket.c:2284 net/socket.c:2284)
[  355.254717][ T9935]  ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22))
[  355.254720][ T9935]  ? lockdep_hardirqs_on (kernel/locking/lockdep.c:4488)
[  355.254723][ T9935]  ? do_syscall_64 (arch/x86/entry/syscall_64.c:81 (discriminator 44))
[  355.254725][ T9935]  do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84)
[  355.254727][ T9935]  ? exc_page_fault (arch/x86/mm/fault.c:1489 (discriminator 3) arch/x86/mm/fault.c:1536 (discriminator 3))
[  355.254730][ T9935]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[  355.254732][ T9935] RIP: 0033:0x7fcdf8a95312
[  355.254736][ T9935] 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)
[  355.254738][ T9935] RSP: 002b:00007fff285a5458 EFLAGS: 00000246 ORIG_RAX: 000000000000002c
[  355.254740][ T9935] RAX: ffffffffffffffda RBX: 00007fff285a5588 RCX: 00007fcdf8a95312
[  355.254742][ T9935] RDX: 0000000000000024 RSI: 00007fcdf4604b10 RDI: 0000000000000020
[  355.254743][ T9935] RBP: 00007fff285a5480 R08: 00007fff285a5600 R09: 000000000000000c
[  355.254744][ T9935] R10: 0000000000000000 R11: 0000000000000246 R12: 00007fcdf68f1e10
[  355.254744][ T9935] R13: 00007fff285a5588 R14: 00007fcdf83b401a R15: 00007fff285a5978
| [  358.340383][T10042] softirqs last disabled at (386758): __alloc_skb (./include/linux/bottom_half.h:20 (discriminator 2) net/core/skbuff.c:697 (discriminator 2))
| [  358.340386][T10042] Preemption disabled at:
| [  358.340386][T10042] vprintk_emit (kernel/printk/printk.c:2471)
| [  358.340395][T10042] Tainted: [W]=WARN
[  358.340396][T10042] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[  358.340398][T10042] Call Trace:
[  358.340399][T10042]  <TASK>
[  358.340401][T10042]  dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120)
[  358.340407][T10042]  ? vprintk_emit (kernel/printk/printk.c:2471)
[  358.340409][T10042]  __might_resched.cold (kernel/sched/core.c:9234)
[  358.340414][T10042]  ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3))
[  358.340418][T10042]  ? __kmalloc_noprof (./include/linux/sched/mm.h:317 mm/slub.c:4636 mm/slub.c:4974 mm/slub.c:5413 mm/slub.c:5439)
[  358.340423][T10042]  __kmalloc_noprof (./include/linux/sched/mm.h:322 (discriminator 2) mm/slub.c:4636 (discriminator 2) mm/slub.c:4974 (discriminator 2) mm/slub.c:5413 (discriminator 2) mm/slub.c:5439 (discriminator 2))
[  358.340425][T10042]  ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[  358.340431][T10042]  ? do_raw_spin_unlock (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:32 ./include/asm-generic/qspinlock.h:58 kernel/locking/spinlock_debug.c:101 kernel/locking/spinlock_debug.c:141)
[  358.340434][T10042]  alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[  358.340438][T10042]  put_chars (drivers/char/virtio_console.c:1176)
[  358.340441][T10042]  ? __send_to_port (drivers/char/virtio_console.c:654)
[  358.340444][T10042]  ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4116 (discriminator 3) kernel/rcu/tree.c:4108 (discriminator 3))
[  358.340447][T10042]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380)
[  358.340450][T10042]  ? validate_chain (kernel/locking/lockdep.c:3817 (discriminator 2) kernel/locking/lockdep.c:3837 (discriminator 2) kernel/locking/lockdep.c:3892 (discriminator 2))
[  358.340454][T10042]  hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2))
[  358.340458][T10042]  ? mark_usage (kernel/locking/lockdep.c:4690)
[  358.340460][T10042]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[  358.340462][T10042]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[  358.340466][T10042]  ? hvc_write (drivers/tty/hvc/hvc_console.c:501)
[  358.340468][T10042]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2))
[  358.340472][T10042]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  358.340476][T10042]  console_emit_next_record (kernel/printk/printk.c:3183)
[  358.340481][T10042]  ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20)
[  358.340483][T10042]  ? console_flush_one_record (./include/linux/rcupdate.h:314 (discriminator 2) ./include/linux/srcu.h:439 (discriminator 2) kernel/printk/printk.c:291 (discriminator 2) kernel/printk/printk.c:3246 (discriminator 2))
[  358.340486][T10042]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  358.340488][T10042]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  358.340492][T10042]  console_flush_one_record (kernel/printk/printk.c:3268)
[  358.340502][T10042]  ? console_emit_next_record (kernel/printk/printk.c:3150)
[  358.340504][T10042]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[  358.340509][T10042]  console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420)
[  358.340512][T10042]  ? console_flush_one_record (kernel/printk/printk.c:3316)
[  358.340514][T10042]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  358.340516][T10042]  ? lock_acquire (./include/linux/srcutree.h:374 ./include/linux/srcu.h:541 ./include/linux/srcu.h:645 ./include/trace/events/lock.h:23 ./include/trace/events/lock.h:23 kernel/locking/lockdep.c:5871)
[  358.340520][T10042]  ? __down_trylock_console_sem (kernel/printk/printk.c:334)
[  358.340521][T10042]  ? vprintk_emit (kernel/printk/printk.c:2478)
[  358.340524][T10042]  vprintk_emit (kernel/printk/printk.c:2479)
[  358.340527][T10042]  ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126))
[  358.340529][T10042]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554)
[  358.340531][T10042]  ? genl_family_rcv_msg (net/netlink/genetlink.c:1194)
[  358.340536][T10042]  _printk (kernel/printk/printk.c:2504)
[  358.340540][T10042]  ? snapshot_read.cold (user.c:?)
[  358.340542][T10042]  ? ___ratelimit (lib/ratelimit.c:97 (discriminator 3))
[  358.340547][T10042]  ? idr_get_free (??:?)
[  358.340552][T10042]  validate_nla.cold (lib/nlattr.c:414 (discriminator 4))
[  358.340561][T10042]  ? nla_get_range_signed (lib/nlattr.c:270)
[  358.340567][T10042]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  358.340569][T10042]  ? trace_kmalloc (./include/trace/events/kmem.h:57 (discriminator 22))
[  358.340573][T10042]  __nla_validate_parse (lib/nlattr.c:635)
[  358.340578][T10042]  __nla_parse (lib/nlattr.c:732)
[  358.340581][T10042]  genl_family_rcv_msg_attrs_parse.isra.0 (./include/net/netlink.h:789 (discriminator 2) net/netlink/genetlink.c:944 (discriminator 2))
[  358.340586][T10042]  genl_family_rcv_msg_doit (net/netlink/genetlink.c:1092)
[  358.340589][T10042]  ? genl_family_rcv_msg_attrs_parse.isra.0 (./include/net/netlink.h:785 (discriminator 2))
[  358.340597][T10042]  ? security_capable (security/security.c:660 (discriminator 11))
[  358.340602][T10042]  genl_family_rcv_msg (net/netlink/genetlink.c:1194)
[  358.340606][T10042]  ? genl_family_rcv_msg_dumpit (net/netlink/genetlink.c:1079)
[  358.340608][T10042]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380)
[  358.340611][T10042]  ? ovs_dp_cmd_get (./include/net/net_namespace.h:422 (discriminator 7)) openvswitch
[  358.340619][T10042]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[  358.340625][T10042]  genl_rcv_msg (net/netlink/genetlink.c:1209)
[  358.340628][T10042]  netlink_rcv_skb (net/netlink/af_netlink.c:2556)
[  358.340630][T10042]  ? genl_family_rcv_msg (net/netlink/genetlink.c:1136 (discriminator 2))
[  358.340633][T10042]  ? netlink_ack (./include/linux/skbuff.h:2718)
[  358.340640][T10042]  ? netlink_deliver_tap (./include/linux/rcupdate.h:319 (discriminator 2) ./include/linux/rcupdate.h:880 (discriminator 2) ./include/net/netns/generic.h:48 (discriminator 2) net/netlink/af_netlink.c:334 (discriminator 2))
[  358.340643][T10042]  ? netlink_deliver_tap (./include/linux/rcupdate.h:319 (discriminator 2) ./include/linux/rcupdate.h:880 (discriminator 2) net/netlink/af_netlink.c:341 (discriminator 2))
[  358.340647][T10042]  genl_rcv (net/netlink/genetlink.c:1218)
[  358.340649][T10042]  netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[  358.340653][T10042]  ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[  358.340657][T10042]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[  358.340660][T10042]  netlink_sendmsg (net/netlink/af_netlink.c:1900)
[  358.340664][T10042]  ? netlink_unicast (./include/net/net_namespace.h:422 (discriminator 7))
[  358.340666][T10042]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[  358.340669][T10042]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554)
[  358.340674][T10042]  __sock_sendmsg (net/socket.c:800 (discriminator 4) net/socket.c:815 (discriminator 4))
[  358.340677][T10042]  ? fdget (fs/file.c:1200 fs/file.c:1208)
[  358.340681][T10042]  __sys_sendto (net/socket.c:2281)
[  358.340684][T10042]  ? __ia32_sys_getpeername (net/socket.c:2235)
[  358.340694][T10042]  ? fput_close_sync (fs/file_table.c:617)
[  358.340698][T10042]  ? alloc_file_clone (fs/file_table.c:479)
[  358.340702][T10042]  __x64_sys_sendto (net/socket.c:2288 net/socket.c:2284 net/socket.c:2284)
[  358.340704][T10042]  ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22))
[  358.340708][T10042]  ? lockdep_hardirqs_on (kernel/locking/lockdep.c:4488)
[  358.340710][T10042]  ? do_syscall_64 (arch/x86/entry/syscall_64.c:81 (discriminator 44))
[  358.340713][T10042]  do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84)
[  358.340715][T10042]  ? exc_page_fault (arch/x86/mm/fault.c:1489 (discriminator 3) arch/x86/mm/fault.c:1536 (discriminator 3))
[  358.340717][T10042]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[  358.340719][T10042] RIP: 0033:0x7f6d93cbe312
[  358.340723][T10042] Code: 08 0f 85 71 41 ff ff 49 89 fb 48 89 f0 48 89 d7 48 89 ce 4c 89 c2 4d 89 ca 4c 8b 44 24 08 4c 8b 4c 24 10 4c 89 5c 24 08 0f 05 <c3> 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 00 f3 0f 1e fa 55 bf 01 00
All code
========
   0:	08 0f                	or     %cl,(%rdi)
   2:	85 71 41             	test   %esi,0x41(%rcx)
   5:	ff                   	(bad)
   6:	ff 49 89             	decl   -0x77(%rcx)
   9:	fb                   	sti
   a:	48 89 f0             	mov    %rsi,%rax
   d:	48 89 d7             	mov    %rdx,%rdi
  10:	48 89 ce             	mov    %rcx,%rsi
  13:	4c 89 c2             	mov    %r8,%rdx
  16:	4d 89 ca             	mov    %r9,%r10
  19:	4c 8b 44 24 08       	mov    0x8(%rsp),%r8
  1e:	4c 8b 4c 24 10       	mov    0x10(%rsp),%r9
  23:	4c 89 5c 24 08       	mov    %r11,0x8(%rsp)
  28:	0f 05                	syscall
  2a:*	c3                   	ret		<-- trapping instruction
  2b:	66 2e 0f 1f 84 00 00 	cs nopw 0x0(%rax,%rax,1)
  32:	00 00 00 
  35:	0f 1f 00             	nopl   (%rax)
  38:	f3 0f 1e fa          	endbr64
  3c:	55                   	push   %rbp
  3d:	bf                   	.byte 0xbf
  3e:	01 00                	add    %eax,(%rax)

Code starting with the faulting instruction
===========================================
   0:	c3                   	ret
   1:	66 2e 0f 1f 84 00 00 	cs nopw 0x0(%rax,%rax,1)
   8:	00 00 00 
   b:	0f 1f 00             	nopl   (%rax)
   e:	f3 0f 1e fa          	endbr64
  12:	55                   	push   %rbp
  13:	bf                   	.byte 0xbf
  14:	01 00                	add    %eax,(%rax)
[  358.340725][T10042] RSP: 002b:00007fffc2ed88b8 EFLAGS: 00000246 ORIG_RAX: 000000000000002c
[  358.340727][T10042] RAX: ffffffffffffffda RBX: 00007fffc2ed89e8 RCX: 00007f6d93cbe312
[  358.340729][T10042] RDX: 0000000000000044 RSI: 00007f6d9008a650 RDI: 0000000000000020
[  358.340730][T10042] RBP: 00007fffc2ed88e0 R08: 00007fffc2ed8a60 R09: 000000000000000c
[  358.340731][T10042] R10: 0000000000000000 R11: 0000000000000246 R12: 00007f6d91b220b0
[  358.340732][T10042] R13: 00007fffc2ed89e8 R14: 00007f6d935dd01a R15: 00007fffc2ed8dd8
| [  359.447595][T10074] softirqs last disabled at (377830): inet6_fill_ifla6_attrs (net/ipv6/addrconf.c:5883)
| [  359.447597][T10074] Preemption disabled at:
| [  359.447598][T10074] vprintk_emit (kernel/printk/printk.c:2471)
| [  359.447607][T10074] Tainted: [W]=WARN
[  359.447608][T10074] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[  359.447609][T10074] Call Trace:
[  359.447611][T10074]  <TASK>
[  359.447612][T10074]  dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120)
[  359.447618][T10074]  ? vprintk_emit (kernel/printk/printk.c:2471)
[  359.447620][T10074]  __might_resched.cold (kernel/sched/core.c:9234)
[  359.447624][T10074]  ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3))
[  359.447629][T10074]  ? __kmalloc_noprof (./include/linux/sched/mm.h:317 mm/slub.c:4636 mm/slub.c:4974 mm/slub.c:5413 mm/slub.c:5439)
[  359.447634][T10074]  __kmalloc_noprof (./include/linux/sched/mm.h:322 (discriminator 2) mm/slub.c:4636 (discriminator 2) mm/slub.c:4974 (discriminator 2) mm/slub.c:5413 (discriminator 2) mm/slub.c:5439 (discriminator 2))
[  359.447636][T10074]  ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[  359.447642][T10074]  ? do_raw_spin_unlock (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:32 ./include/asm-generic/qspinlock.h:58 kernel/locking/spinlock_debug.c:101 kernel/locking/spinlock_debug.c:141)
[  359.447645][T10074]  alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[  359.447649][T10074]  put_chars (drivers/char/virtio_console.c:1176)
[  359.447652][T10074]  ? __send_to_port (drivers/char/virtio_console.c:654)
[  359.447655][T10074]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380)
[  359.447658][T10074]  ? validate_chain (kernel/locking/lockdep.c:3817 (discriminator 2) kernel/locking/lockdep.c:3837 (discriminator 2) kernel/locking/lockdep.c:3892 (discriminator 2))
[  359.447663][T10074]  hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2))
[  359.447667][T10074]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[  359.447669][T10074]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[  359.447674][T10074]  ? hvc_write (drivers/tty/hvc/hvc_console.c:501)
[  359.447677][T10074]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  359.447680][T10074]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  359.447684][T10074]  console_emit_next_record (kernel/printk/printk.c:3183)
[  359.447688][T10074]  ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20)
[  359.447691][T10074]  ? console_flush_one_record (./include/linux/rcupdate.h:314 (discriminator 2) ./include/linux/srcu.h:439 (discriminator 2) kernel/printk/printk.c:291 (discriminator 2) kernel/printk/printk.c:3246 (discriminator 2))
[  359.447694][T10074]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  359.447696][T10074]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  359.447700][T10074]  console_flush_one_record (kernel/printk/printk.c:3268)
[  359.447704][T10074]  ? console_emit_next_record (kernel/printk/printk.c:3150)
[  359.447706][T10074]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[  359.447712][T10074]  console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420)
[  359.447715][T10074]  ? console_flush_one_record (kernel/printk/printk.c:3316)
[  359.447717][T10074]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  359.447719][T10074]  ? 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)
[  359.447723][T10074]  ? __down_trylock_console_sem (kernel/printk/printk.c:334)
[  359.447724][T10074]  ? vprintk_emit (kernel/printk/printk.c:2478)
[  359.447727][T10074]  vprintk_emit (kernel/printk/printk.c:2479)
[  359.447731][T10074]  ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126))
[  359.447736][T10074]  _printk (kernel/printk/printk.c:2504)
[  359.447740][T10074]  ? snapshot_read.cold (user.c:?)
[  359.447743][T10074]  ? lockdep_rtnl_is_held (./include/linux/lockdep.h:249 net/core/rtnetlink.c:182)
[  359.447746][T10074]  ? netdev_upper_get_next_dev_rcu (net/core/dev.c:8213 (discriminator 5))
[  359.447750][T10074]  ? __netdev_update_features (net/core/dev.c:11078 (discriminator 2))
[  359.447752][T10074]  ? netdev_name (./include/linux/netdevice.h:5709 (discriminator 1))
[  359.447756][T10074]  ? __netdev_printk (net/core/dev.c:13148 (discriminator 2))
[  359.447760][T10074]  netdev_info (net/core/dev.c:13195 (discriminator 3))
[  359.447763][T10074]  ? netdev_notice (net/core/dev.c:13194)
[  359.447764][T10074]  ? ovs_netdev_link (net/openvswitch/vport-netdev.c:85) openvswitch
[  359.447777][T10074]  ? 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)
[  359.447779][T10074]  __dev_set_promiscuity.cold (net/core/dev.c:9672 (discriminator 3))
[  359.447783][T10074]  netif_set_promiscuity (net/core/dev.c:9699)
[  359.447787][T10074]  dev_set_promiscuity (net/core/dev_api.c:288)
[  359.447789][T10074]  ? dev_disable_lro (net/core/dev_api.c:267)
[  359.447791][T10074] ovs_netdev_link (net/openvswitch/vport-netdev.c:106) openvswitch
[  359.447796][T10074] ovs_vport_add (net/openvswitch/vport.c:209) openvswitch
[  359.447801][T10074] new_vport (net/openvswitch/datapath.c:203) openvswitch
[  359.447806][T10074]  ? ovs_lookup_vport (./include/linux/lockdep.h:249 net/openvswitch/datapath.c:120 net/openvswitch/datapath.c:117 net/openvswitch/datapath.c:190) openvswitch
[  359.447810][T10074] ovs_vport_cmd_new (net/openvswitch/datapath.c:2389) openvswitch
[  359.447816][T10074]  ? ovs_vport_cmd_fill_info.isra.0 (./include/net/netlink.h:1107 (discriminator 1)) openvswitch
[  359.447820][T10074]  ? __nla_validate_parse (lib/nlattr.c:635)
[  359.447826][T10074]  ? __nla_parse (lib/nlattr.c:732)
[  359.447829][T10074]  ? genl_family_rcv_msg_attrs_parse.isra.0 (./include/net/netlink.h:789 (discriminator 2) net/netlink/genetlink.c:944 (discriminator 2))
[  359.447834][T10074]  genl_family_rcv_msg_doit (net/netlink/genetlink.c:1114)
[  359.447837][T10074]  ? genl_family_rcv_msg_attrs_parse.isra.0 (./include/net/netlink.h:785 (discriminator 2))
[  359.447846][T10074]  ? security_capable (security/security.c:660 (discriminator 11))
[  359.447850][T10074]  genl_family_rcv_msg (net/netlink/genetlink.c:1194)
[  359.447854][T10074]  ? genl_family_rcv_msg_dumpit (net/netlink/genetlink.c:1079)
[  359.447857][T10074]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380)
[  359.447859][T10074]  ? ovs_vport_cmd_fill_info.isra.0 (./include/net/netlink.h:1107 (discriminator 1)) openvswitch
[  359.447863][T10074]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[  359.447869][T10074]  genl_rcv_msg (net/netlink/genetlink.c:1209)
[  359.447872][T10074]  netlink_rcv_skb (net/netlink/af_netlink.c:2556)
[  359.447874][T10074]  ? genl_family_rcv_msg (net/netlink/genetlink.c:1136 (discriminator 2))
[  359.447878][T10074]  ? netlink_ack (./include/linux/skbuff.h:2718)
[  359.447885][T10074]  ? 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))
[  359.447887][T10074]  ? 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))
[  359.447891][T10074]  genl_rcv (net/netlink/genetlink.c:1218)
[  359.447894][T10074]  netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[  359.447898][T10074]  ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[  359.447901][T10074]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[  359.447905][T10074]  netlink_sendmsg (net/netlink/af_netlink.c:1900)
[  359.447909][T10074]  ? netlink_unicast (./include/net/net_namespace.h:422 (discriminator 7))
[  359.447911][T10074]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[  359.447914][T10074]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554)
[  359.447919][T10074]  __sock_sendmsg (net/socket.c:800 (discriminator 4) net/socket.c:815 (discriminator 4))
[  359.447922][T10074]  ? fdget (fs/file.c:1200 fs/file.c:1208)
[  359.447926][T10074]  __sys_sendto (net/socket.c:2281)
[  359.447929][T10074]  ? __ia32_sys_getpeername (net/socket.c:2235)
[  359.447940][T10074]  ? exc_page_fault (arch/x86/mm/fault.c:1483 arch/x86/mm/fault.c:1536)
[  359.447946][T10074]  __x64_sys_sendto (net/socket.c:2288 net/socket.c:2284 net/socket.c:2284)
[  359.447948][T10074]  ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22))
[  359.447952][T10074]  ? lockdep_hardirqs_on (kernel/locking/lockdep.c:4488)
[  359.447954][T10074]  ? do_syscall_64 (arch/x86/entry/syscall_64.c:81 (discriminator 44))
[  359.447956][T10074]  do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84)
[  359.447958][T10074]  ? exc_page_fault (arch/x86/mm/fault.c:1489 (discriminator 3) arch/x86/mm/fault.c:1536 (discriminator 3))
[  359.447961][T10074]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[  359.447963][T10074] RIP: 0033:0x7fc7c659c312
[  359.447967][T10074] 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)
[  359.447969][T10074] RSP: 002b:00007ffc47afe1e8 EFLAGS: 00000246 ORIG_RAX: 000000000000002c
[  359.447971][T10074] RAX: ffffffffffffffda RBX: 00007ffc47afe318 RCX: 00007fc7c659c312
[  359.447973][T10074] RDX: 0000000000000038 RSI: 00007fc7c0022ef0 RDI: 0000000000000023
[  359.447974][T10074] RBP: 00007ffc47afe210 R08: 00007ffc47afe390 R09: 000000000000000c
[  359.447974][T10074] R10: 0000000000000000 R11: 0000000000000246 R12: 00007fc7c440a190
[  359.447976][T10074] R13: 00007ffc47afe318 R14: 00007fc7c5ebb01a R15: 00007ffc47afe708
| [  368.610383][   T70] softirqs last disabled at (9342566): __neigh_ifdown.isra.0 (./include/linux/spinlock.h:353 net/core/neighbour.c:464)
| [  368.610386][   T70] Preemption disabled at:
| [  368.610387][   T70] vprintk_emit (kernel/printk/printk.c:2471)
| [  368.610395][   T70] Tainted: [W]=WARN
[  368.610396][   T70] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[  368.610398][   T70] Workqueue: netns cleanup_net
[  368.610401][   T70] Call Trace:
[  368.610403][   T70]  <TASK>
[  368.610405][   T70]  dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120)
[  368.610411][   T70]  ? vprintk_emit (kernel/printk/printk.c:2471)
[  368.610413][   T70]  __might_resched.cold (kernel/sched/core.c:9234)
[  368.610417][   T70]  ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3))
[  368.610421][   T70]  ? __kmalloc_noprof (./include/linux/sched/mm.h:317 mm/slub.c:4636 mm/slub.c:4974 mm/slub.c:5413 mm/slub.c:5439)
[  368.610426][   T70]  __kmalloc_noprof (./include/linux/sched/mm.h:322 (discriminator 2) mm/slub.c:4636 (discriminator 2) mm/slub.c:4974 (discriminator 2) mm/slub.c:5413 (discriminator 2) mm/slub.c:5439 (discriminator 2))
[  368.610428][   T70]  ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[  368.610434][   T70]  ? do_raw_spin_unlock (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:32 ./include/asm-generic/qspinlock.h:58 kernel/locking/spinlock_debug.c:101 kernel/locking/spinlock_debug.c:141)
[  368.610437][   T70]  alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[  368.610441][   T70]  put_chars (drivers/char/virtio_console.c:1176)
[  368.610443][   T70]  ? prb_final_commit (kernel/printk/printk_ringbuffer.c:1842)
[  368.610446][   T70]  ? __send_to_port (drivers/char/virtio_console.c:654)
[  368.610449][   T70]  ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4116 (discriminator 3) kernel/rcu/tree.c:4108 (discriminator 3))
[  368.610452][   T70]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380)
[  368.610455][   T70]  ? validate_chain (kernel/locking/lockdep.c:3817 (discriminator 2) kernel/locking/lockdep.c:3837 (discriminator 2) kernel/locking/lockdep.c:3892 (discriminator 2))
[  368.610459][   T70]  hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2))
[  368.610463][   T70]  ? mark_usage (kernel/locking/lockdep.c:4690)
[  368.610465][   T70]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[  368.610467][   T70]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[  368.610471][   T70]  ? hvc_write (drivers/tty/hvc/hvc_console.c:501)
[  368.610474][   T70]  ? console_emit_next_record (kernel/printk/printk.c:3095 (discriminator 2) kernel/printk/printk.c:3182 (discriminator 2))
[  368.610478][   T70]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  368.610480][   T70]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  368.610484][   T70]  console_emit_next_record (kernel/printk/printk.c:3183)
[  368.610488][   T70]  ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20)
[  368.610490][   T70]  ? console_flush_one_record (./include/linux/rcupdate.h:314 (discriminator 2) ./include/linux/srcu.h:439 (discriminator 2) kernel/printk/printk.c:291 (discriminator 2) kernel/printk/printk.c:3246 (discriminator 2))
[  368.610493][   T70]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  368.610495][   T70]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  368.610500][   T70]  console_flush_one_record (kernel/printk/printk.c:3268)
[  368.610504][   T70]  ? console_emit_next_record (kernel/printk/printk.c:3150)
[  368.610506][   T70]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[  368.610516][   T70]  console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420)
[  368.610519][   T70]  ? console_flush_one_record (kernel/printk/printk.c:3316)
[  368.610521][   T70]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  368.610523][   T70]  ? 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)
[  368.610527][   T70]  ? __down_trylock_console_sem (kernel/printk/printk.c:334)
[  368.610529][   T70]  ? vprintk_emit (kernel/printk/printk.c:2478)
[  368.610531][   T70]  vprintk_emit (kernel/printk/printk.c:2479)
[  368.610535][   T70]  ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126))
[  368.610538][   T70]  ? net_disable_timestamp (./include/linux/workqueue.h:761)
[  368.610540][   T70]  ? net_generic (./include/linux/rcupdate.h:882 ./include/net/netns/generic.h:48) vxlan
[  368.610549][   T70]  _printk (kernel/printk/printk.c:2504)
[  368.610552][   T70]  ? snapshot_read.cold (user.c:?)
[  368.610557][   T70]  ? netdev_name (./include/linux/netdevice.h:5709 (discriminator 1))
[  368.610561][   T70]  ? __netdev_printk (net/core/dev.c:13148 (discriminator 2))
[  368.610565][   T70]  netdev_info (net/core/dev.c:13195 (discriminator 3))
[  368.610568][   T70]  ? netdev_notice (net/core/dev.c:13194)
[  368.610569][   T70]  ? __netdev_upper_dev_unlink (net/core/dev.c:9094)
[  368.610574][   T70]  ? synchronize_rcu_expedited (kernel/rcu/tree_exp.h:985)
[  368.610579][   T70]  ? 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)
[  368.610582][   T70]  __dev_set_promiscuity.cold (net/core/dev.c:9672 (discriminator 3))
[  368.610585][   T70]  netif_set_promiscuity (net/core/dev.c:9699)
[  368.610589][   T70]  dev_set_promiscuity (net/core/dev_api.c:288)
[  368.610591][   T70]  ? rtnl_is_locked (net/core/rtnetlink.c:169)
[  368.610594][   T70] ovs_netdev_detach_dev (net/openvswitch/vport-netdev.c:174) openvswitch
[  368.610601][   T70] dp_device_event (net/openvswitch/dp_notify.c:74) openvswitch
[  368.610605][   T70]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  368.610608][   T70]  notifier_call_chain (kernel/notifier.c:85)
[  368.610613][   T70]  unregister_netdevice_many_notify (net/core/dev.c:2313 net/core/dev.c:2327 net/core/dev.c:12518)
[  368.610619][   T70]  ? unregister_netdevice_queued (./include/linux/list.h:419 (discriminator 3))
[  368.610626][   T70]  default_device_exit_batch (net/core/dev.c:12589 net/core/dev.c:13288)
[  368.610630][   T70]  ? unregister_netdevice_queue (./include/linux/list.h:173)
[  368.610632][   T70]  ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3))
[  368.610635][   T70]  ? fou_exit_net (net/ipv4/fou_core.c:1228)
[  368.610640][   T70]  ops_undo_list (net/core/net_namespace.c:206 net/core/net_namespace.c:253)
[  368.610643][   T70]  ? lockdep_hardirqs_on (kernel/locking/lockdep.c:4488)
[  368.610647][   T70]  ? netns_install (./include/linux/ns_common.h:26)
[  368.610649][   T70]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554)
[  368.610652][   T70]  ? idr_destroy (lib/radix-tree.c:310 lib/radix-tree.c:674 lib/radix-tree.c:1563)
[  368.610657][   T70]  cleanup_net (net/core/net_namespace.c:706)
[  368.610660][   T70]  ? net_passive_dec (./include/linux/llist.h:241)
[  368.610664][   T70]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  368.610666][   T70]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  368.610669][   T70]  process_one_work (kernel/workqueue.c:3387)
[  368.610676][   T70]  ? __queue_delayed_work (kernel/workqueue.c:2622)
[  368.610679][   T70]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2))
[  368.610687][   T70]  worker_thread (kernel/workqueue.c:3470 kernel/workqueue.c:3551)
[  368.610691][   T70]  ? rescuer_thread (./include/linux/list.h:419 (discriminator 3))
[  368.610694][   T70]  ? __kthread_parkme (./include/linux/instrumented.h:82 ./include/asm-generic/bitops/instrumented-non-atomic.h:141 kernel/kthread.c:272)
[  368.610697][   T70]  ? rescuer_thread (./include/linux/list.h:419 (discriminator 3))
[  368.610700][   T70]  ? rescuer_thread (./include/linux/list.h:419 (discriminator 3))
[  368.610702][   T70]  kthread (kernel/kthread.c:436)
[  368.610704][   T70]  ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22))
[  368.610708][   T70]  ? kthread_affine_preferred (kernel/kthread.c:857)
[  368.610711][   T70]  ret_from_fork (arch/x86/kernel/process.c:158)
[  368.610715][   T70]  ? arch_exit_to_user_mode_prepare.isra.0 (arch/x86/entry/vdso/vma.c:80 (discriminator 1))
[  368.610718][   T70]  ? __switch_to (arch/x86/kernel/process_64.c:403 arch/x86/kernel/process_64.c:663)
[  368.610722][   T70]  ? kthread_affine_preferred (kernel/kthread.c:857)
[  368.610725][   T70]  ret_from_fork_asm (arch/x86/entry/entry_64.S:245)
| [  370.991937][T10327] softirqs last disabled at (373706): __alloc_skb (./include/linux/bottom_half.h:20 (discriminator 2) net/core/skbuff.c:697 (discriminator 2))
| [  370.991939][T10327] Preemption disabled at:
| [  370.991940][T10327] vprintk_emit (kernel/printk/printk.c:2471)
| [  370.991949][T10327] Tainted: [W]=WARN
[  370.991950][T10327] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[  370.991951][T10327] Call Trace:
[  370.991953][T10327]  <TASK>
[  370.991955][T10327]  dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120)
[  370.991960][T10327]  ? vprintk_emit (kernel/printk/printk.c:2471)
[  370.991962][T10327]  __might_resched.cold (kernel/sched/core.c:9234)
[  370.991967][T10327]  ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3))
[  370.991971][T10327]  ? __kmalloc_noprof (./include/linux/sched/mm.h:317 mm/slub.c:4636 mm/slub.c:4974 mm/slub.c:5413 mm/slub.c:5439)
[  370.991976][T10327]  __kmalloc_noprof (./include/linux/sched/mm.h:322 (discriminator 2) mm/slub.c:4636 (discriminator 2) mm/slub.c:4974 (discriminator 2) mm/slub.c:5413 (discriminator 2) mm/slub.c:5439 (discriminator 2))
[  370.991978][T10327]  ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[  370.991985][T10327]  ? do_raw_spin_unlock (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:32 ./include/asm-generic/qspinlock.h:58 kernel/locking/spinlock_debug.c:101 kernel/locking/spinlock_debug.c:141)
[  370.991988][T10327]  alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[  370.991991][T10327]  put_chars (drivers/char/virtio_console.c:1176)
[  370.991994][T10327]  ? __send_to_port (drivers/char/virtio_console.c:654)
[  370.991995][T10327]  ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4116 (discriminator 3) kernel/rcu/tree.c:4108 (discriminator 3))
[  370.991999][T10327]  ? validate_chain (kernel/locking/lockdep.c:3817 (discriminator 2) kernel/locking/lockdep.c:3837 (discriminator 2) kernel/locking/lockdep.c:3892 (discriminator 2))
[  370.992005][T10327]  hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2))
[  370.992013][T10327]  ? hvc_write (drivers/tty/hvc/hvc_console.c:501)
[  370.992016][T10327]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  370.992018][T10327]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  370.992022][T10327]  console_emit_next_record (kernel/printk/printk.c:3183)
[  370.992026][T10327]  ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20)
[  370.992028][T10327]  ? console_flush_one_record (./include/linux/rcupdate.h:314 (discriminator 2) ./include/linux/srcu.h:439 (discriminator 2) kernel/printk/printk.c:291 (discriminator 2) kernel/printk/printk.c:3246 (discriminator 2))
[  370.992032][T10327]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  370.992034][T10327]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  370.992038][T10327]  console_flush_one_record (kernel/printk/printk.c:3268)
[  370.992042][T10327]  ? console_emit_next_record (kernel/printk/printk.c:3150)
[  370.992044][T10327]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[  370.992050][T10327]  console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420)
[  370.992053][T10327]  ? console_flush_one_record (kernel/printk/printk.c:3316)
[  370.992055][T10327]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  370.992057][T10327]  ? 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)
[  370.992061][T10327]  ? __down_trylock_console_sem (kernel/printk/printk.c:334)
[  370.992062][T10327]  ? vprintk_emit (kernel/printk/printk.c:2478)
[  370.992065][T10327]  vprintk_emit (kernel/printk/printk.c:2479)
[  370.992069][T10327]  ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126))
[  370.992070][T10327]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380)
[  370.992073][T10327]  ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4116 (discriminator 3) kernel/rcu/tree.c:4108 (discriminator 3))
[  370.992077][T10327]  _printk (kernel/printk/printk.c:2504)
[  370.992081][T10327]  ? snapshot_read.cold (user.c:?)
[  370.992085][T10327]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  370.992086][T10327]  ? netdev_name (./include/linux/netdevice.h:5709 (discriminator 1))
[  370.992090][T10327]  ? __netdev_printk (net/core/dev.c:13148 (discriminator 2))
[  370.992094][T10327]  netdev_info (net/core/dev.c:13195 (discriminator 3))
[  370.992097][T10327]  ? netdev_notice (net/core/dev.c:13194)
[  370.992099][T10327]  ? internal_dev_destroy (net/openvswitch/vport-internal_dev.c:178) openvswitch
[  370.992105][T10327]  ? ww_mutex_lock (kernel/locking/mutex.c:934)
[  370.992111][T10327]  ? 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)
[  370.992113][T10327]  __dev_set_promiscuity.cold (net/core/dev.c:9672 (discriminator 3))
[  370.992117][T10327]  netif_set_promiscuity (net/core/dev.c:9699)
[  370.992122][T10327]  dev_set_promiscuity (net/core/dev_api.c:288)
[  370.992125][T10327] internal_dev_destroy (net/openvswitch/vport-internal_dev.c:179) openvswitch
[  370.992130][T10327] __dp_destroy (net/openvswitch/datapath.c:1969 (discriminator 1)) openvswitch
[  370.992137][T10327] ovs_dp_cmd_del (net/openvswitch/datapath.c:2003) openvswitch
[  370.992143][T10327]  genl_family_rcv_msg_doit (net/netlink/genetlink.c:1114)
[  370.992146][T10327]  ? genl_family_rcv_msg_attrs_parse.isra.0 (./include/net/netlink.h:785 (discriminator 2))
[  370.992155][T10327]  ? security_capable (security/security.c:660 (discriminator 11))
[  370.992159][T10327]  genl_family_rcv_msg (net/netlink/genetlink.c:1194)
[  370.992163][T10327]  ? genl_family_rcv_msg_dumpit (net/netlink/genetlink.c:1079)
[  370.992166][T10327]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380)
[  370.992168][T10327]  ? __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
[  370.992172][T10327]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[  370.992178][T10327]  genl_rcv_msg (net/netlink/genetlink.c:1209)
[  370.992181][T10327]  netlink_rcv_skb (net/netlink/af_netlink.c:2556)
[  370.992183][T10327]  ? genl_family_rcv_msg (net/netlink/genetlink.c:1136 (discriminator 2))
[  370.992187][T10327]  ? netlink_ack (./include/linux/skbuff.h:2718)
[  370.992194][T10327]  ? 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))
[  370.992197][T10327]  ? 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))
[  370.992201][T10327]  genl_rcv (net/netlink/genetlink.c:1218)
[  370.992203][T10327]  netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[  370.992207][T10327]  ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[  370.992211][T10327]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[  370.992215][T10327]  netlink_sendmsg (net/netlink/af_netlink.c:1900)
[  370.992219][T10327]  ? netlink_unicast (./include/net/net_namespace.h:422 (discriminator 7))
[  370.992220][T10327]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[  370.992224][T10327]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554)
[  370.992229][T10327]  __sock_sendmsg (net/socket.c:800 (discriminator 4) net/socket.c:815 (discriminator 4))
[  370.992231][T10327]  ? fdget (fs/file.c:1200 fs/file.c:1208)
[  370.992235][T10327]  __sys_sendto (net/socket.c:2281)
[  370.992238][T10327]  ? __ia32_sys_getpeername (net/socket.c:2235)
[  370.992244][T10327]  ? do_futex (kernel/futex/syscalls.c:133)
[  370.992247][T10327]  ? __ia32_sys_get_robust_list (kernel/futex/syscalls.c:94)
[  370.992253][T10327]  ? xfd_validate_state (arch/x86/kernel/fpu/xstate.c:1497 (discriminator 1) arch/x86/kernel/fpu/xstate.c:1543 (discriminator 1))
[  370.992260][T10327]  __x64_sys_sendto (net/socket.c:2288 net/socket.c:2284 net/socket.c:2284)
[  370.992262][T10327]  ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22))
[  370.992266][T10327]  ? lockdep_hardirqs_on (kernel/locking/lockdep.c:4488)
[  370.992269][T10327]  ? do_syscall_64 (arch/x86/entry/syscall_64.c:81 (discriminator 44))
[  370.992271][T10327]  do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84)
[  370.992273][T10327]  ? exc_page_fault (arch/x86/mm/fault.c:1489 (discriminator 3) arch/x86/mm/fault.c:1536 (discriminator 3))
[  370.992276][T10327]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[  370.992278][T10327] RIP: 0033:0x7f666edee312
[  370.992282][T10327] 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)
[  370.992284][T10327] RSP: 002b:00007ffe99a400f8 EFLAGS: 00000246 ORIG_RAX: 000000000000002c
[  370.992286][T10327] RAX: ffffffffffffffda RBX: 00007ffe99a40228 RCX: 00007f666edee312
[  370.992288][T10327] RDX: 0000000000000024 RSI: 00007f666cadeb80 RDI: 0000000000000020
[  370.992289][T10327] RBP: 00007ffe99a40120 R08: 00007ffe99a402a0 R09: 000000000000000c
[  370.992290][T10327] R10: 0000000000000000 R11: 0000000000000246 R12: 00007f666cc51e80
[  370.992291][T10327] R13: 00007ffe99a40228 R14: 00007f666e70d01a R15: 00007ffe99a40618
| [  373.893561][T10422] softirqs last disabled at (380378): __alloc_skb (./include/linux/bottom_half.h:20 (discriminator 2) net/core/skbuff.c:697 (discriminator 2))
| [  373.893564][T10422] Preemption disabled at:
| [  373.893565][T10422] vprintk_emit (kernel/printk/printk.c:2471)
| [  373.893574][T10422] Tainted: [W]=WARN
[  373.893575][T10422] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[  373.893576][T10422] Call Trace:
[  373.893578][T10422]  <TASK>
[  373.893579][T10422]  dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120)
[  373.893585][T10422]  ? vprintk_emit (kernel/printk/printk.c:2471)
[  373.893587][T10422]  __might_resched.cold (kernel/sched/core.c:9234)
[  373.893592][T10422]  ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3))
[  373.893596][T10422]  ? __kmalloc_noprof (./include/linux/sched/mm.h:317 mm/slub.c:4636 mm/slub.c:4974 mm/slub.c:5413 mm/slub.c:5439)
[  373.893601][T10422]  __kmalloc_noprof (./include/linux/sched/mm.h:322 (discriminator 2) mm/slub.c:4636 (discriminator 2) mm/slub.c:4974 (discriminator 2) mm/slub.c:5413 (discriminator 2) mm/slub.c:5439 (discriminator 2))
[  373.893603][T10422]  ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[  373.893609][T10422]  ? do_raw_spin_unlock (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:32 ./include/asm-generic/qspinlock.h:58 kernel/locking/spinlock_debug.c:101 kernel/locking/spinlock_debug.c:141)
[  373.893612][T10422]  alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[  373.893616][T10422]  put_chars (drivers/char/virtio_console.c:1176)
[  373.893618][T10422]  ? __send_to_port (drivers/char/virtio_console.c:654)
[  373.893621][T10422]  ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4116 (discriminator 3) kernel/rcu/tree.c:4108 (discriminator 3))
[  373.893624][T10422]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380)
[  373.893627][T10422]  ? validate_chain (kernel/locking/lockdep.c:3817 (discriminator 2) kernel/locking/lockdep.c:3837 (discriminator 2) kernel/locking/lockdep.c:3892 (discriminator 2))
[  373.893631][T10422]  hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2))
[  373.893635][T10422]  ? mark_usage (kernel/locking/lockdep.c:4690)
[  373.893637][T10422]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[  373.893639][T10422]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[  373.893643][T10422]  ? hvc_write (drivers/tty/hvc/hvc_console.c:501)
[  373.893645][T10422]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2))
[  373.893650][T10422]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  373.893654][T10422]  console_emit_next_record (kernel/printk/printk.c:3183)
[  373.893658][T10422]  ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20)
[  373.893660][T10422]  ? console_flush_one_record (./include/linux/rcupdate.h:314 (discriminator 2) ./include/linux/srcu.h:439 (discriminator 2) kernel/printk/printk.c:291 (discriminator 2) kernel/printk/printk.c:3246 (discriminator 2))
[  373.893663][T10422]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  373.893665][T10422]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  373.893669][T10422]  console_flush_one_record (kernel/printk/printk.c:3268)
[  373.893673][T10422]  ? console_emit_next_record (kernel/printk/printk.c:3150)
[  373.893675][T10422]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[  373.893681][T10422]  console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420)
[  373.893684][T10422]  ? console_flush_one_record (kernel/printk/printk.c:3316)
[  373.893686][T10422]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  373.893687][T10422]  ? 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)
[  373.893691][T10422]  ? __down_trylock_console_sem (kernel/printk/printk.c:334)
[  373.893693][T10422]  ? vprintk_emit (kernel/printk/printk.c:2478)
[  373.893696][T10422]  vprintk_emit (kernel/printk/printk.c:2479)
[  373.893699][T10422]  ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126))
[  373.893701][T10422]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554)
[  373.893703][T10422]  ? genl_family_rcv_msg (net/netlink/genetlink.c:1194)
[  373.893708][T10422]  _printk (kernel/printk/printk.c:2504)
[  373.893711][T10422]  ? snapshot_read.cold (user.c:?)
[  373.893713][T10422]  ? ___ratelimit (lib/ratelimit.c:97 (discriminator 3))
[  373.893719][T10422]  ? idr_get_free (??:?)
[  373.893723][T10422]  validate_nla.cold (lib/nlattr.c:414 (discriminator 4))
[  373.893733][T10422]  ? nla_get_range_signed (lib/nlattr.c:270)
[  373.893738][T10422]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  373.893740][T10422]  ? trace_kmalloc (./include/trace/events/kmem.h:57 (discriminator 22))
[  373.893745][T10422]  __nla_validate_parse (lib/nlattr.c:635)
[  373.893750][T10422]  __nla_parse (lib/nlattr.c:732)
[  373.893752][T10422]  genl_family_rcv_msg_attrs_parse.isra.0 (./include/net/netlink.h:789 (discriminator 2) net/netlink/genetlink.c:944 (discriminator 2))
[  373.893757][T10422]  genl_family_rcv_msg_doit (net/netlink/genetlink.c:1092)
[  373.893761][T10422]  ? genl_family_rcv_msg_attrs_parse.isra.0 (./include/net/netlink.h:785 (discriminator 2))
[  373.893772][T10422]  ? security_capable (security/security.c:660 (discriminator 11))
[  373.893776][T10422]  genl_family_rcv_msg (net/netlink/genetlink.c:1194)
[  373.893780][T10422]  ? genl_family_rcv_msg_dumpit (net/netlink/genetlink.c:1079)
[  373.893782][T10422]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380)
[  373.893785][T10422]  ? ovs_dp_cmd_get (./include/net/net_namespace.h:422 (discriminator 7)) openvswitch
[  373.893793][T10422]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[  373.893798][T10422]  genl_rcv_msg (net/netlink/genetlink.c:1209)
[  373.893802][T10422]  netlink_rcv_skb (net/netlink/af_netlink.c:2556)
[  373.893804][T10422]  ? genl_family_rcv_msg (net/netlink/genetlink.c:1136 (discriminator 2))
[  373.893807][T10422]  ? netlink_ack (./include/linux/skbuff.h:2718)
[  373.893814][T10422]  ? 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))
[  373.893816][T10422]  ? 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))
[  373.893820][T10422]  genl_rcv (net/netlink/genetlink.c:1218)
[  373.893823][T10422]  netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[  373.893827][T10422]  ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[  373.893830][T10422]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[  373.893834][T10422]  netlink_sendmsg (net/netlink/af_netlink.c:1900)
[  373.893838][T10422]  ? netlink_unicast (./include/net/net_namespace.h:422 (discriminator 7))
[  373.893840][T10422]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[  373.893843][T10422]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554)
[  373.893848][T10422]  __sock_sendmsg (net/socket.c:800 (discriminator 4) net/socket.c:815 (discriminator 4))
[  373.893851][T10422]  ? fdget (fs/file.c:1200 fs/file.c:1208)
[  373.893854][T10422]  __sys_sendto (net/socket.c:2281)
[  373.893858][T10422]  ? __ia32_sys_getpeername (net/socket.c:2235)
[  373.893868][T10422]  ? fput_close_sync (fs/file_table.c:617)
[  373.893872][T10422]  ? alloc_file_clone (fs/file_table.c:479)
[  373.893876][T10422]  __x64_sys_sendto (net/socket.c:2288 net/socket.c:2284 net/socket.c:2284)
[  373.893878][T10422]  ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22))
[  373.893881][T10422]  ? lockdep_hardirqs_on (kernel/locking/lockdep.c:4488)
[  373.893884][T10422]  ? do_syscall_64 (arch/x86/entry/syscall_64.c:81 (discriminator 44))
[  373.893886][T10422]  do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84)
[  373.893888][T10422]  ? exc_page_fault (arch/x86/mm/fault.c:1489 (discriminator 3) arch/x86/mm/fault.c:1536 (discriminator 3))
[  373.893891][T10422]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[  373.893893][T10422] RIP: 0033:0x7fa32dc8e312
[  373.893897][T10422] 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)
[  373.893899][T10422] RSP: 002b:00007ffc2b858308 EFLAGS: 00000246 ORIG_RAX: 000000000000002c
[  373.893902][T10422] RAX: ffffffffffffffda RBX: 00007ffc2b858438 RCX: 00007fa32dc8e312
[  373.893903][T10422] RDX: 0000000000000044 RSI: 00007fa32b9c3b90 RDI: 0000000000000020
[  373.893904][T10422] RBP: 00007ffc2b858330 R08: 00007ffc2b8584b0 R09: 000000000000000c
[  373.893905][T10422] R10: 0000000000000000 R11: 0000000000000246 R12: 00007fa32baf20b0
[  373.893906][T10422] R13: 00007ffc2b858438 R14: 00007fa32d5ad01a R15: 00007ffc2b858828
| [  374.982744][T10453] softirqs last disabled at (403140): inet6_fill_ifla6_attrs (net/ipv6/addrconf.c:5883)
| [  374.982746][T10453] Preemption disabled at:
| [  374.982747][T10453] vprintk_emit (kernel/printk/printk.c:2471)
| [  374.982756][T10453] Tainted: [W]=WARN
[  374.982757][T10453] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[  374.982759][T10453] Call Trace:
[  374.982760][T10453]  <TASK>
[  374.982762][T10453]  dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120)
[  374.982771][T10453]  ? vprintk_emit (kernel/printk/printk.c:2471)
[  374.982772][T10453]  __might_resched.cold (kernel/sched/core.c:9234)
[  374.982777][T10453]  ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3))
[  374.982782][T10453]  ? __kmalloc_noprof (./include/linux/sched/mm.h:317 mm/slub.c:4636 mm/slub.c:4974 mm/slub.c:5413 mm/slub.c:5439)
[  374.982786][T10453]  __kmalloc_noprof (./include/linux/sched/mm.h:322 (discriminator 2) mm/slub.c:4636 (discriminator 2) mm/slub.c:4974 (discriminator 2) mm/slub.c:5413 (discriminator 2) mm/slub.c:5439 (discriminator 2))
[  374.982788][T10453]  ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[  374.982795][T10453]  ? do_raw_spin_unlock (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:32 ./include/asm-generic/qspinlock.h:58 kernel/locking/spinlock_debug.c:101 kernel/locking/spinlock_debug.c:141)
[  374.982798][T10453]  alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[  374.982802][T10453]  put_chars (drivers/char/virtio_console.c:1176)
[  374.982805][T10453]  ? __send_to_port (drivers/char/virtio_console.c:654)
[  374.982808][T10453]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380)
[  374.982811][T10453]  ? validate_chain (kernel/locking/lockdep.c:3817 (discriminator 2) kernel/locking/lockdep.c:3837 (discriminator 2) kernel/locking/lockdep.c:3892 (discriminator 2))
[  374.982816][T10453]  hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2))
[  374.982820][T10453]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[  374.982822][T10453]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[  374.982826][T10453]  ? hvc_write (drivers/tty/hvc/hvc_console.c:501)
[  374.982830][T10453]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  374.982833][T10453]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  374.982837][T10453]  console_emit_next_record (kernel/printk/printk.c:3183)
[  374.982841][T10453]  ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20)
[  374.982843][T10453]  ? console_flush_one_record (./include/linux/rcupdate.h:314 (discriminator 2) ./include/linux/srcu.h:439 (discriminator 2) kernel/printk/printk.c:291 (discriminator 2) kernel/printk/printk.c:3246 (discriminator 2))
[  374.982846][T10453]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  374.982848][T10453]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  374.982852][T10453]  console_flush_one_record (kernel/printk/printk.c:3268)
[  374.982857][T10453]  ? console_emit_next_record (kernel/printk/printk.c:3150)
[  374.982859][T10453]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[  374.982864][T10453]  console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420)
[  374.982867][T10453]  ? console_flush_one_record (kernel/printk/printk.c:3316)
[  374.982869][T10453]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  374.982871][T10453]  ? 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)
[  374.982875][T10453]  ? __down_trylock_console_sem (kernel/printk/printk.c:334)
[  374.982877][T10453]  ? vprintk_emit (kernel/printk/printk.c:2478)
[  374.982879][T10453]  vprintk_emit (kernel/printk/printk.c:2479)
[  374.982883][T10453]  ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126))
[  374.982888][T10453]  _printk (kernel/printk/printk.c:2504)
[  374.982892][T10453]  ? snapshot_read.cold (user.c:?)
[  374.982895][T10453]  ? lockdep_rtnl_is_held (./include/linux/lockdep.h:249 net/core/rtnetlink.c:182)
[  374.982898][T10453]  ? netdev_upper_get_next_dev_rcu (net/core/dev.c:8213 (discriminator 5))
[  374.982902][T10453]  ? __netdev_update_features (net/core/dev.c:11078 (discriminator 2))
[  374.982904][T10453]  ? netdev_name (./include/linux/netdevice.h:5709 (discriminator 1))
[  374.982908][T10453]  ? __netdev_printk (net/core/dev.c:13148 (discriminator 2))
[  374.982912][T10453]  netdev_info (net/core/dev.c:13195 (discriminator 3))
[  374.982915][T10453]  ? netdev_notice (net/core/dev.c:13194)
[  374.982916][T10453]  ? ovs_netdev_link (net/openvswitch/vport-netdev.c:85) openvswitch
[  374.982926][T10453]  ? 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)
[  374.982928][T10453]  __dev_set_promiscuity.cold (net/core/dev.c:9672 (discriminator 3))
[  374.982932][T10453]  netif_set_promiscuity (net/core/dev.c:9699)
[  374.982936][T10453]  dev_set_promiscuity (net/core/dev_api.c:288)
[  374.982938][T10453]  ? dev_disable_lro (net/core/dev_api.c:267)
[  374.982940][T10453] ovs_netdev_link (net/openvswitch/vport-netdev.c:106) openvswitch
[  374.982945][T10453] ovs_vport_add (net/openvswitch/vport.c:209) openvswitch
[  374.982950][T10453] new_vport (net/openvswitch/datapath.c:203) openvswitch
[  374.982955][T10453]  ? ovs_lookup_vport (./include/linux/lockdep.h:249 net/openvswitch/datapath.c:120 net/openvswitch/datapath.c:117 net/openvswitch/datapath.c:190) openvswitch
[  374.982959][T10453] ovs_vport_cmd_new (net/openvswitch/datapath.c:2389) openvswitch
[  374.982965][T10453]  ? ovs_vport_cmd_fill_info.isra.0 (./include/net/netlink.h:1107 (discriminator 1)) openvswitch
[  374.982969][T10453]  ? __nla_validate_parse (lib/nlattr.c:635)
[  374.982975][T10453]  ? __nla_parse (lib/nlattr.c:732)
[  374.982977][T10453]  ? genl_family_rcv_msg_attrs_parse.isra.0 (./include/net/netlink.h:789 (discriminator 2) net/netlink/genetlink.c:944 (discriminator 2))
[  374.982982][T10453]  genl_family_rcv_msg_doit (net/netlink/genetlink.c:1114)
[  374.982986][T10453]  ? genl_family_rcv_msg_attrs_parse.isra.0 (./include/net/netlink.h:785 (discriminator 2))
[  374.982994][T10453]  ? security_capable (security/security.c:660 (discriminator 11))
[  374.982999][T10453]  genl_family_rcv_msg (net/netlink/genetlink.c:1194)
[  374.983003][T10453]  ? genl_family_rcv_msg_dumpit (net/netlink/genetlink.c:1079)
[  374.983005][T10453]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380)
[  374.983008][T10453]  ? ovs_vport_cmd_fill_info.isra.0 (./include/net/netlink.h:1107 (discriminator 1)) openvswitch
[  374.983012][T10453]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[  374.983018][T10453]  genl_rcv_msg (net/netlink/genetlink.c:1209)
[  374.983021][T10453]  netlink_rcv_skb (net/netlink/af_netlink.c:2556)
[  374.983023][T10453]  ? genl_family_rcv_msg (net/netlink/genetlink.c:1136 (discriminator 2))
[  374.983027][T10453]  ? netlink_ack (./include/linux/skbuff.h:2718)
[  374.983034][T10453]  ? 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))
[  374.983036][T10453]  ? 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))
[  374.983041][T10453]  genl_rcv (net/netlink/genetlink.c:1218)
[  374.983043][T10453]  netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[  374.983047][T10453]  ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[  374.983051][T10453]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[  374.983055][T10453]  netlink_sendmsg (net/netlink/af_netlink.c:1900)
[  374.983059][T10453]  ? netlink_unicast (./include/net/net_namespace.h:422 (discriminator 7))
[  374.983061][T10453]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[  374.983064][T10453]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554)
[  374.983069][T10453]  __sock_sendmsg (net/socket.c:800 (discriminator 4) net/socket.c:815 (discriminator 4))
[  374.983072][T10453]  ? fdget (fs/file.c:1200 fs/file.c:1208)
[  374.983075][T10453]  __sys_sendto (net/socket.c:2281)
[  374.983079][T10453]  ? __ia32_sys_getpeername (net/socket.c:2235)
[  374.983090][T10453]  ? exc_page_fault (arch/x86/mm/fault.c:1483 arch/x86/mm/fault.c:1536)
[  374.983096][T10453]  __x64_sys_sendto (net/socket.c:2288 net/socket.c:2284 net/socket.c:2284)
[  374.983099][T10453]  ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22))
[  374.983103][T10453]  ? lockdep_hardirqs_on (kernel/locking/lockdep.c:4488)
[  374.983104][T10453]  ? do_syscall_64 (arch/x86/entry/syscall_64.c:81 (discriminator 44))
[  374.983107][T10453]  do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84)
[  374.983109][T10453]  ? exc_page_fault (arch/x86/mm/fault.c:1489 (discriminator 3) arch/x86/mm/fault.c:1536 (discriminator 3))
[  374.983112][T10453]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[  374.983114][T10453] RIP: 0033:0x7f077c0e3312
[  374.983117][T10453] 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)
[  374.983119][T10453] RSP: 002b:00007fff38c13c38 EFLAGS: 00000246 ORIG_RAX: 000000000000002c
[  374.983122][T10453] RAX: ffffffffffffffda RBX: 00007fff38c13d68 RCX: 00007f077c0e3312
[  374.983124][T10453] RDX: 0000000000000038 RSI: 00007f0778362730 RDI: 0000000000000023
[  374.983124][T10453] RBP: 00007fff38c13c60 R08: 00007fff38c13de0 R09: 000000000000000c
[  374.983126][T10453] R10: 0000000000000000 R11: 0000000000000246 R12: 00007f0779f4a190
[  374.983126][T10453] R13: 00007fff38c13d68 R14: 00007f077ba0201a R15: 00007fff38c14158
| [  384.141664][   T70] softirqs last disabled at (9547041): __irq_exit_rcu (kernel/softirq.c:679 kernel/softirq.c:519 kernel/softirq.c:767)
| [  384.141666][   T70] Preemption disabled at:
| [  384.141667][   T70] vprintk_emit (kernel/printk/printk.c:2471)
| [  384.141675][   T70] Tainted: [W]=WARN
[  384.141676][   T70] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[  384.141678][   T70] Workqueue: netns cleanup_net
[  384.141681][   T70] Call Trace:
[  384.141683][   T70]  <TASK>
[  384.141685][   T70]  dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120)
[  384.141691][   T70]  ? vprintk_emit (kernel/printk/printk.c:2471)
[  384.141693][   T70]  __might_resched.cold (kernel/sched/core.c:9234)
[  384.141697][   T70]  ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3))
[  384.141701][   T70]  ? __kmalloc_noprof (./include/linux/sched/mm.h:317 mm/slub.c:4636 mm/slub.c:4974 mm/slub.c:5413 mm/slub.c:5439)
[  384.141706][   T70]  __kmalloc_noprof (./include/linux/sched/mm.h:322 (discriminator 2) mm/slub.c:4636 (discriminator 2) mm/slub.c:4974 (discriminator 2) mm/slub.c:5413 (discriminator 2) mm/slub.c:5439 (discriminator 2))
[  384.141708][   T70]  ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[  384.141715][   T70]  ? do_raw_spin_unlock (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:32 ./include/asm-generic/qspinlock.h:58 kernel/locking/spinlock_debug.c:101 kernel/locking/spinlock_debug.c:141)
[  384.141718][   T70]  alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[  384.141721][   T70]  put_chars (drivers/char/virtio_console.c:1176)
[  384.141723][   T70]  ? prb_final_commit (kernel/printk/printk_ringbuffer.c:1842)
[  384.141726][   T70]  ? __send_to_port (drivers/char/virtio_console.c:654)
[  384.141729][   T70]  ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4116 (discriminator 3) kernel/rcu/tree.c:4108 (discriminator 3))
[  384.141732][   T70]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380)
[  384.141735][   T70]  ? validate_chain (kernel/locking/lockdep.c:3817 (discriminator 2) kernel/locking/lockdep.c:3837 (discriminator 2) kernel/locking/lockdep.c:3892 (discriminator 2))
[  384.141739][   T70]  hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2))
[  384.141744][   T70]  ? mark_usage (kernel/locking/lockdep.c:4690)
[  384.141746][   T70]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[  384.141747][   T70]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[  384.141752][   T70]  ? hvc_write (drivers/tty/hvc/hvc_console.c:501)
[  384.141755][   T70]  ? console_emit_next_record (kernel/printk/printk.c:3095 (discriminator 2) kernel/printk/printk.c:3182 (discriminator 2))
[  384.141758][   T70]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  384.141760][   T70]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  384.141764][   T70]  console_emit_next_record (kernel/printk/printk.c:3183)
[  384.141771][   T70]  ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20)
[  384.141773][   T70]  ? console_flush_one_record (./include/linux/rcupdate.h:314 (discriminator 2) ./include/linux/srcu.h:439 (discriminator 2) kernel/printk/printk.c:291 (discriminator 2) kernel/printk/printk.c:3246 (discriminator 2))
[  384.141776][   T70]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  384.141778][   T70]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  384.141782][   T70]  console_flush_one_record (kernel/printk/printk.c:3268)
[  384.141786][   T70]  ? console_emit_next_record (kernel/printk/printk.c:3150)
[  384.141788][   T70]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[  384.141794][   T70]  console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420)
[  384.141797][   T70]  ? console_flush_one_record (kernel/printk/printk.c:3316)
[  384.141799][   T70]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  384.141801][   T70]  ? 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)
[  384.141805][   T70]  ? __down_trylock_console_sem (kernel/printk/printk.c:334)
[  384.141806][   T70]  ? vprintk_emit (kernel/printk/printk.c:2478)
[  384.141809][   T70]  vprintk_emit (kernel/printk/printk.c:2479)
[  384.141813][   T70]  ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126))
[  384.141816][   T70]  ? net_disable_timestamp (./include/linux/workqueue.h:761)
[  384.141818][   T70]  ? net_generic (./include/linux/rcupdate.h:882 ./include/net/netns/generic.h:48) vxlan
[  384.141827][   T70]  _printk (kernel/printk/printk.c:2504)
[  384.141830][   T70]  ? snapshot_read.cold (user.c:?)
[  384.141835][   T70]  ? netdev_name (./include/linux/netdevice.h:5709 (discriminator 1))
[  384.141839][   T70]  ? __netdev_printk (net/core/dev.c:13148 (discriminator 2))
[  384.141843][   T70]  netdev_info (net/core/dev.c:13195 (discriminator 3))
[  384.141846][   T70]  ? netdev_notice (net/core/dev.c:13194)
[  384.141847][   T70]  ? __netdev_upper_dev_unlink (net/core/dev.c:9094)
[  384.141851][   T70]  ? synchronize_rcu_expedited (kernel/rcu/tree_exp.h:985)
[  384.141857][   T70]  ? 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)
[  384.141860][   T70]  __dev_set_promiscuity.cold (net/core/dev.c:9672 (discriminator 3))
[  384.141863][   T70]  netif_set_promiscuity (net/core/dev.c:9699)
[  384.141867][   T70]  dev_set_promiscuity (net/core/dev_api.c:288)
[  384.141869][   T70]  ? rtnl_is_locked (net/core/rtnetlink.c:169)
[  384.141873][   T70] ovs_netdev_detach_dev (net/openvswitch/vport-netdev.c:174) openvswitch
[  384.141880][   T70] dp_device_event (net/openvswitch/dp_notify.c:74) openvswitch
[  384.141884][   T70]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  384.141886][   T70]  notifier_call_chain (kernel/notifier.c:85)
[  384.141892][   T70]  unregister_netdevice_many_notify (net/core/dev.c:2313 net/core/dev.c:2327 net/core/dev.c:12518)
[  384.141897][   T70]  ? unregister_netdevice_queued (./include/linux/list.h:419 (discriminator 3))
[  384.141905][   T70]  default_device_exit_batch (net/core/dev.c:12589 net/core/dev.c:13288)
[  384.141908][   T70]  ? unregister_netdevice_queue (./include/linux/list.h:173)
[  384.141911][   T70]  ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3))
[  384.141914][   T70]  ? fou_exit_net (net/ipv4/fou_core.c:1228)
[  384.141918][   T70]  ops_undo_list (net/core/net_namespace.c:206 net/core/net_namespace.c:253)
[  384.141922][   T70]  ? lockdep_hardirqs_on (kernel/locking/lockdep.c:4488)
[  384.141926][   T70]  ? netns_install (./include/linux/ns_common.h:26)
[  384.141927][   T70]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554)
[  384.141931][   T70]  ? idr_destroy (lib/radix-tree.c:310 lib/radix-tree.c:674 lib/radix-tree.c:1563)
[  384.141936][   T70]  cleanup_net (net/core/net_namespace.c:706)
[  384.141939][   T70]  ? net_passive_dec (./include/linux/llist.h:241)
[  384.141943][   T70]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  384.141945][   T70]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  384.141948][   T70]  process_one_work (kernel/workqueue.c:3387)
[  384.141955][   T70]  ? __queue_delayed_work (kernel/workqueue.c:2622)
[  384.141958][   T70]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2))
[  384.141966][   T70]  worker_thread (kernel/workqueue.c:3470 kernel/workqueue.c:3551)
[  384.141970][   T70]  ? rescuer_thread (./include/linux/list.h:419 (discriminator 3))
[  384.141972][   T70]  ? __kthread_parkme (./include/linux/instrumented.h:82 ./include/asm-generic/bitops/instrumented-non-atomic.h:141 kernel/kthread.c:272)
[  384.141975][   T70]  ? rescuer_thread (./include/linux/list.h:419 (discriminator 3))
[  384.141978][   T70]  ? rescuer_thread (./include/linux/list.h:419 (discriminator 3))
[  384.141981][   T70]  kthread (kernel/kthread.c:436)
[  384.141983][   T70]  ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22))
[  384.141986][   T70]  ? kthread_affine_preferred (kernel/kthread.c:857)
[  384.141989][   T70]  ret_from_fork (arch/x86/kernel/process.c:158)
[  384.141993][   T70]  ? arch_exit_to_user_mode_prepare.isra.0 (arch/x86/entry/vdso/vma.c:80 (discriminator 1))
[  384.141997][   T70]  ? __switch_to (arch/x86/kernel/process_64.c:403 arch/x86/kernel/process_64.c:663)
[  384.142000][   T70]  ? kthread_affine_preferred (kernel/kthread.c:857)
[  384.142003][   T70]  ret_from_fork_asm (arch/x86/entry/entry_64.S:245)
| [  385.776523][T10694] softirqs last disabled at (369806): inet6_fill_ifla6_attrs (net/ipv6/addrconf.c:5883)
| [  385.776525][T10694] Preemption disabled at:
| [  385.776526][T10694] vprintk_emit (kernel/printk/printk.c:2471)
| [  385.776534][T10694] Tainted: [W]=WARN
[  385.776535][T10694] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[  385.776537][T10694] Call Trace:
[  385.776539][T10694]  <TASK>
[  385.776545][T10694]  dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120)
[  385.776551][T10694]  ? vprintk_emit (kernel/printk/printk.c:2471)
[  385.776553][T10694]  __might_resched.cold (kernel/sched/core.c:9234)
[  385.776558][T10694]  ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3))
[  385.776562][T10694]  ? __kmalloc_noprof (./include/linux/sched/mm.h:317 mm/slub.c:4636 mm/slub.c:4974 mm/slub.c:5413 mm/slub.c:5439)
[  385.776567][T10694]  __kmalloc_noprof (./include/linux/sched/mm.h:322 (discriminator 2) mm/slub.c:4636 (discriminator 2) mm/slub.c:4974 (discriminator 2) mm/slub.c:5413 (discriminator 2) mm/slub.c:5439 (discriminator 2))
[  385.776569][T10694]  ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[  385.776576][T10694]  ? do_raw_spin_unlock (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:32 ./include/asm-generic/qspinlock.h:58 kernel/locking/spinlock_debug.c:101 kernel/locking/spinlock_debug.c:141)
[  385.776579][T10694]  alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[  385.776583][T10694]  put_chars (drivers/char/virtio_console.c:1176)
[  385.776585][T10694]  ? __send_to_port (drivers/char/virtio_console.c:654)
[  385.776587][T10694]  ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4116 (discriminator 3) kernel/rcu/tree.c:4108 (discriminator 3))
[  385.776590][T10694]  ? validate_chain (kernel/locking/lockdep.c:3817 (discriminator 2) kernel/locking/lockdep.c:3837 (discriminator 2) kernel/locking/lockdep.c:3892 (discriminator 2))
[  385.776596][T10694]  hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2))
[  385.776604][T10694]  ? hvc_write (drivers/tty/hvc/hvc_console.c:501)
[  385.776607][T10694]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  385.776609][T10694]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  385.776613][T10694]  console_emit_next_record (kernel/printk/printk.c:3183)
[  385.776618][T10694]  ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20)
[  385.776619][T10694]  ? console_flush_one_record (./include/linux/rcupdate.h:314 (discriminator 2) ./include/linux/srcu.h:439 (discriminator 2) kernel/printk/printk.c:291 (discriminator 2) kernel/printk/printk.c:3246 (discriminator 2))
[  385.776623][T10694]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  385.776625][T10694]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  385.776629][T10694]  console_flush_one_record (kernel/printk/printk.c:3268)
[  385.776633][T10694]  ? console_emit_next_record (kernel/printk/printk.c:3150)
[  385.776635][T10694]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[  385.776641][T10694]  console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420)
[  385.776644][T10694]  ? console_flush_one_record (kernel/printk/printk.c:3316)
[  385.776646][T10694]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  385.776648][T10694]  ? 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)
[  385.776652][T10694]  ? __down_trylock_console_sem (kernel/printk/printk.c:334)
[  385.776653][T10694]  ? vprintk_emit (kernel/printk/printk.c:2478)
[  385.776656][T10694]  vprintk_emit (kernel/printk/printk.c:2479)
[  385.776660][T10694]  ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126))
[  385.776662][T10694]  ? net_disable_timestamp (./include/linux/workqueue.h:761)
[  385.776665][T10694]  ? net_generic (./include/linux/rcupdate.h:882 ./include/net/netns/generic.h:48) vxlan
[  385.776673][T10694]  _printk (kernel/printk/printk.c:2504)
[  385.776677][T10694]  ? snapshot_read.cold (user.c:?)
[  385.776681][T10694]  ? netdev_name (./include/linux/netdevice.h:5709 (discriminator 1))
[  385.776686][T10694]  ? __netdev_printk (net/core/dev.c:13148 (discriminator 2))
[  385.776690][T10694]  netdev_info (net/core/dev.c:13195 (discriminator 3))
[  385.776693][T10694]  ? netdev_notice (net/core/dev.c:13194)
[  385.776694][T10694]  ? __netdev_upper_dev_unlink (net/core/dev.c:9094)
[  385.776699][T10694]  ? synchronize_rcu_expedited (kernel/rcu/tree_exp.h:985)
[  385.776704][T10694]  ? 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)
[  385.776707][T10694]  __dev_set_promiscuity.cold (net/core/dev.c:9672 (discriminator 3))
[  385.776711][T10694]  netif_set_promiscuity (net/core/dev.c:9699)
[  385.776715][T10694]  dev_set_promiscuity (net/core/dev_api.c:288)
[  385.776717][T10694]  ? rtnl_is_locked (net/core/rtnetlink.c:169)
[  385.776721][T10694] ovs_netdev_detach_dev (net/openvswitch/vport-netdev.c:174) openvswitch
[  385.776725][T10694]  ? netdev_destroy (net/openvswitch/vport-netdev.c:189) openvswitch
[  385.776728][T10694] netdev_destroy (net/openvswitch/vport-netdev.c:194) openvswitch
[  385.776733][T10694] ovs_vport_cmd_del (net/openvswitch/datapath.c:2505) openvswitch
[  385.776741][T10694]  genl_family_rcv_msg_doit (net/netlink/genetlink.c:1114)
[  385.776744][T10694]  ? genl_family_rcv_msg_attrs_parse.isra.0 (./include/net/netlink.h:785 (discriminator 2))
[  385.776753][T10694]  ? security_capable (security/security.c:660 (discriminator 11))
[  385.776758][T10694]  genl_family_rcv_msg (net/netlink/genetlink.c:1194)
[  385.776762][T10694]  ? genl_family_rcv_msg_dumpit (net/netlink/genetlink.c:1079)
[  385.776764][T10694]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380)
[  385.776770][T10694]  ? ovs_dp_detach_port (./include/linux/list.h:1047 (discriminator 2)) openvswitch
[  385.776775][T10694]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[  385.776781][T10694]  genl_rcv_msg (net/netlink/genetlink.c:1209)
[  385.776784][T10694]  netlink_rcv_skb (net/netlink/af_netlink.c:2556)
[  385.776786][T10694]  ? genl_family_rcv_msg (net/netlink/genetlink.c:1136 (discriminator 2))
[  385.776790][T10694]  ? netlink_ack (./include/linux/skbuff.h:2718)
[  385.776797][T10694]  ? 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))
[  385.776799][T10694]  ? 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))
[  385.776804][T10694]  genl_rcv (net/netlink/genetlink.c:1218)
[  385.776806][T10694]  netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[  385.776810][T10694]  ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[  385.776814][T10694]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[  385.776818][T10694]  netlink_sendmsg (net/netlink/af_netlink.c:1900)
[  385.776822][T10694]  ? netlink_unicast (./include/net/net_namespace.h:422 (discriminator 7))
[  385.776824][T10694]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[  385.776827][T10694]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554)
[  385.776832][T10694]  __sock_sendmsg (net/socket.c:800 (discriminator 4) net/socket.c:815 (discriminator 4))
[  385.776835][T10694]  ? fdget (fs/file.c:1200 fs/file.c:1208)
[  385.776839][T10694]  __sys_sendto (net/socket.c:2281)
[  385.776842][T10694]  ? __ia32_sys_getpeername (net/socket.c:2235)
[  385.776853][T10694]  ? exc_page_fault (arch/x86/mm/fault.c:1483 arch/x86/mm/fault.c:1536)
[  385.776860][T10694]  __x64_sys_sendto (net/socket.c:2288 net/socket.c:2284 net/socket.c:2284)
[  385.776863][T10694]  ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22))
[  385.776867][T10694]  ? lockdep_hardirqs_on (kernel/locking/lockdep.c:4488)
[  385.776868][T10694]  ? do_syscall_64 (arch/x86/entry/syscall_64.c:81 (discriminator 44))
[  385.776871][T10694]  do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84)
[  385.776873][T10694]  ? exc_page_fault (arch/x86/mm/fault.c:1489 (discriminator 3) arch/x86/mm/fault.c:1536 (discriminator 3))
[  385.776876][T10694]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[  385.776878][T10694] RIP: 0033:0x7fe049007312
[  385.776881][T10694] 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)
[  385.776883][T10694] RSP: 002b:00007ffdd941ef78 EFLAGS: 00000246 ORIG_RAX: 000000000000002c
[  385.776886][T10694] RAX: ffffffffffffffda RBX: 00007ffdd941f0a8 RCX: 00007fe049007312
[  385.776887][T10694] RDX: 0000000000000028 RSI: 00007fe046cfd8f0 RDI: 0000000000000023
[  385.776888][T10694] RBP: 00007ffdd941efa0 R08: 00007ffdd941f120 R09: 000000000000000c
[  385.776889][T10694] R10: 0000000000000000 R11: 0000000000000246 R12: 00007fe046e69fd0
[  385.776890][T10694] R13: 00007ffdd941f0a8 R14: 00007fe04892601a R15: 00007ffdd941f498
| [  389.540759][T10814] softirqs last disabled at (375600): __alloc_skb (./include/linux/bottom_half.h:20 (discriminator 2) net/core/skbuff.c:697 (discriminator 2))
| [  389.540762][T10814] Preemption disabled at:
| [  389.540762][T10814] vprintk_emit (kernel/printk/printk.c:2471)
| [  389.540773][T10814] Tainted: [W]=WARN
[  389.540774][T10814] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[  389.540776][T10814] Call Trace:
[  389.540778][T10814]  <TASK>
[  389.540779][T10814]  dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120)
[  389.540785][T10814]  ? vprintk_emit (kernel/printk/printk.c:2471)
[  389.540787][T10814]  __might_resched.cold (kernel/sched/core.c:9234)
[  389.540792][T10814]  ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3))
[  389.540796][T10814]  ? __kmalloc_noprof (./include/linux/sched/mm.h:317 mm/slub.c:4636 mm/slub.c:4974 mm/slub.c:5413 mm/slub.c:5439)
[  389.540801][T10814]  __kmalloc_noprof (./include/linux/sched/mm.h:322 (discriminator 2) mm/slub.c:4636 (discriminator 2) mm/slub.c:4974 (discriminator 2) mm/slub.c:5413 (discriminator 2) mm/slub.c:5439 (discriminator 2))
[  389.540803][T10814]  ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[  389.540809][T10814]  ? do_raw_spin_unlock (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:32 ./include/asm-generic/qspinlock.h:58 kernel/locking/spinlock_debug.c:101 kernel/locking/spinlock_debug.c:141)
[  389.540812][T10814]  alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[  389.540816][T10814]  put_chars (drivers/char/virtio_console.c:1176)
[  389.540818][T10814]  ? __send_to_port (drivers/char/virtio_console.c:654)
[  389.540821][T10814]  ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4116 (discriminator 3) kernel/rcu/tree.c:4108 (discriminator 3))
[  389.540824][T10814]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380)
[  389.540827][T10814]  ? validate_chain (kernel/locking/lockdep.c:3817 (discriminator 2) kernel/locking/lockdep.c:3837 (discriminator 2) kernel/locking/lockdep.c:3892 (discriminator 2))
[  389.540831][T10814]  hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2))
[  389.540835][T10814]  ? mark_usage (kernel/locking/lockdep.c:4690)
[  389.540837][T10814]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[  389.540838][T10814]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[  389.540843][T10814]  ? hvc_write (drivers/tty/hvc/hvc_console.c:501)
[  389.540845][T10814]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2))
[  389.540849][T10814]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  389.540853][T10814]  console_emit_next_record (kernel/printk/printk.c:3183)
[  389.540857][T10814]  ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20)
[  389.540859][T10814]  ? console_flush_one_record (./include/linux/rcupdate.h:314 (discriminator 2) ./include/linux/srcu.h:439 (discriminator 2) kernel/printk/printk.c:291 (discriminator 2) kernel/printk/printk.c:3246 (discriminator 2))
[  389.540862][T10814]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  389.540864][T10814]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  389.540868][T10814]  console_flush_one_record (kernel/printk/printk.c:3268)
[  389.540872][T10814]  ? console_emit_next_record (kernel/printk/printk.c:3150)
[  389.540874][T10814]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[  389.540879][T10814]  console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420)
[  389.540882][T10814]  ? console_flush_one_record (kernel/printk/printk.c:3316)
[  389.540884][T10814]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  389.540886][T10814]  ? 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)
[  389.540890][T10814]  ? __down_trylock_console_sem (kernel/printk/printk.c:334)
[  389.540891][T10814]  ? vprintk_emit (kernel/printk/printk.c:2478)
[  389.540894][T10814]  vprintk_emit (kernel/printk/printk.c:2479)
[  389.540897][T10814]  ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126))
[  389.540899][T10814]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554)
[  389.540901][T10814]  ? genl_family_rcv_msg (net/netlink/genetlink.c:1194)
[  389.540906][T10814]  _printk (kernel/printk/printk.c:2504)
[  389.540909][T10814]  ? snapshot_read.cold (user.c:?)
[  389.540911][T10814]  ? ___ratelimit (lib/ratelimit.c:97 (discriminator 3))
[  389.540917][T10814]  ? idr_get_free (??:?)
[  389.540921][T10814]  validate_nla.cold (lib/nlattr.c:414 (discriminator 4))
[  389.540931][T10814]  ? nla_get_range_signed (lib/nlattr.c:270)
[  389.540937][T10814]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  389.540938][T10814]  ? trace_kmalloc (./include/trace/events/kmem.h:57 (discriminator 22))
[  389.540943][T10814]  __nla_validate_parse (lib/nlattr.c:635)
[  389.540947][T10814]  __nla_parse (lib/nlattr.c:732)
[  389.540950][T10814]  genl_family_rcv_msg_attrs_parse.isra.0 (./include/net/netlink.h:789 (discriminator 2) net/netlink/genetlink.c:944 (discriminator 2))
[  389.540955][T10814]  genl_family_rcv_msg_doit (net/netlink/genetlink.c:1092)
[  389.540958][T10814]  ? genl_family_rcv_msg_attrs_parse.isra.0 (./include/net/netlink.h:785 (discriminator 2))
[  389.540966][T10814]  ? security_capable (security/security.c:660 (discriminator 11))
[  389.540971][T10814]  genl_family_rcv_msg (net/netlink/genetlink.c:1194)
[  389.540974][T10814]  ? genl_family_rcv_msg_dumpit (net/netlink/genetlink.c:1079)
[  389.540977][T10814]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380)
[  389.540980][T10814]  ? ovs_dp_cmd_get (./include/net/net_namespace.h:422 (discriminator 7)) openvswitch
[  389.540988][T10814]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[  389.540994][T10814]  genl_rcv_msg (net/netlink/genetlink.c:1209)
[  389.540997][T10814]  netlink_rcv_skb (net/netlink/af_netlink.c:2556)
[  389.540999][T10814]  ? genl_family_rcv_msg (net/netlink/genetlink.c:1136 (discriminator 2))
[  389.541003][T10814]  ? netlink_ack (./include/linux/skbuff.h:2718)
[  389.541009][T10814]  ? 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))
[  389.541011][T10814]  ? 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))
[  389.541015][T10814]  genl_rcv (net/netlink/genetlink.c:1218)
[  389.541018][T10814]  netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[  389.541022][T10814]  ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[  389.541025][T10814]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[  389.541029][T10814]  netlink_sendmsg (net/netlink/af_netlink.c:1900)
[  389.541033][T10814]  ? netlink_unicast (./include/net/net_namespace.h:422 (discriminator 7))
[  389.541034][T10814]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[  389.541037][T10814]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554)
[  389.541042][T10814]  __sock_sendmsg (net/socket.c:800 (discriminator 4) net/socket.c:815 (discriminator 4))
[  389.541045][T10814]  ? fdget (fs/file.c:1200 fs/file.c:1208)
[  389.541049][T10814]  __sys_sendto (net/socket.c:2281)
[  389.541052][T10814]  ? __ia32_sys_getpeername (net/socket.c:2235)
[  389.541063][T10814]  ? fput_close_sync (fs/file_table.c:617)
[  389.541066][T10814]  ? alloc_file_clone (fs/file_table.c:479)
[  389.541070][T10814]  __x64_sys_sendto (net/socket.c:2288 net/socket.c:2284 net/socket.c:2284)
[  389.541072][T10814]  ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22))
[  389.541076][T10814]  ? lockdep_hardirqs_on (kernel/locking/lockdep.c:4488)
[  389.541079][T10814]  ? do_syscall_64 (arch/x86/entry/syscall_64.c:81 (discriminator 44))
[  389.541081][T10814]  do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84)
[  389.541083][T10814]  ? exc_page_fault (arch/x86/mm/fault.c:1489 (discriminator 3) arch/x86/mm/fault.c:1536 (discriminator 3))
[  389.541086][T10814]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[  389.541088][T10814] RIP: 0033:0x7f11b569a312
[  389.541092][T10814] 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)
[  389.541093][T10814] RSP: 002b:00007ffd284b9038 EFLAGS: 00000246 ORIG_RAX: 000000000000002c
[  389.541096][T10814] RAX: ffffffffffffffda RBX: 00007ffd284b9168 RCX: 00007f11b569a312
[  389.541098][T10814] RDX: 0000000000000044 RSI: 00007f11b33cf230 RDI: 0000000000000020
[  389.541099][T10814] RBP: 00007ffd284b9060 R08: 00007ffd284b91e0 R09: 000000000000000c
[  389.541099][T10814] R10: 0000000000000000 R11: 0000000000000246 R12: 00007f11b34fe0b0
[  389.541100][T10814] R13: 00007ffd284b9168 R14: 00007f11b4fb901a R15: 00007ffd284b9558
| [  390.652420][T10846] softirqs last disabled at (367638): inet6_fill_ifla6_attrs (net/ipv6/addrconf.c:5883)
| [  390.652422][T10846] Preemption disabled at:
| [  390.652423][T10846] vprintk_emit (kernel/printk/printk.c:2471)
| [  390.652431][T10846] Tainted: [W]=WARN
[  390.652432][T10846] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[  390.652434][T10846] Call Trace:
[  390.652435][T10846]  <TASK>
[  390.652437][T10846]  dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120)
[  390.652443][T10846]  ? vprintk_emit (kernel/printk/printk.c:2471)
[  390.652445][T10846]  __might_resched.cold (kernel/sched/core.c:9234)
[  390.652450][T10846]  ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3))
[  390.652455][T10846]  ? __kmalloc_noprof (./include/linux/sched/mm.h:317 mm/slub.c:4636 mm/slub.c:4974 mm/slub.c:5413 mm/slub.c:5439)
[  390.652459][T10846]  __kmalloc_noprof (./include/linux/sched/mm.h:322 (discriminator 2) mm/slub.c:4636 (discriminator 2) mm/slub.c:4974 (discriminator 2) mm/slub.c:5413 (discriminator 2) mm/slub.c:5439 (discriminator 2))
[  390.652461][T10846]  ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[  390.652468][T10846]  ? do_raw_spin_unlock (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:32 ./include/asm-generic/qspinlock.h:58 kernel/locking/spinlock_debug.c:101 kernel/locking/spinlock_debug.c:141)
[  390.652471][T10846]  alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[  390.652475][T10846]  put_chars (drivers/char/virtio_console.c:1176)
[  390.652477][T10846]  ? __send_to_port (drivers/char/virtio_console.c:654)
[  390.652481][T10846]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380)
[  390.652484][T10846]  ? validate_chain (kernel/locking/lockdep.c:3817 (discriminator 2) kernel/locking/lockdep.c:3837 (discriminator 2) kernel/locking/lockdep.c:3892 (discriminator 2))
[  390.652489][T10846]  hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2))
[  390.652493][T10846]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[  390.652495][T10846]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[  390.652500][T10846]  ? hvc_write (drivers/tty/hvc/hvc_console.c:501)
[  390.652504][T10846]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  390.652506][T10846]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  390.652511][T10846]  console_emit_next_record (kernel/printk/printk.c:3183)
[  390.652515][T10846]  ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20)
[  390.652517][T10846]  ? console_flush_one_record (./include/linux/rcupdate.h:314 (discriminator 2) ./include/linux/srcu.h:439 (discriminator 2) kernel/printk/printk.c:291 (discriminator 2) kernel/printk/printk.c:3246 (discriminator 2))
[  390.652521][T10846]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  390.652523][T10846]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  390.652527][T10846]  console_flush_one_record (kernel/printk/printk.c:3268)
[  390.652532][T10846]  ? console_emit_next_record (kernel/printk/printk.c:3150)
[  390.652534][T10846]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[  390.652540][T10846]  console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420)
[  390.652543][T10846]  ? console_flush_one_record (kernel/printk/printk.c:3316)
[  390.652545][T10846]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  390.652547][T10846]  ? 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)
[  390.652558][T10846]  ? __down_trylock_console_sem (kernel/printk/printk.c:334)
[  390.652560][T10846]  ? vprintk_emit (kernel/printk/printk.c:2478)
[  390.652563][T10846]  vprintk_emit (kernel/printk/printk.c:2479)
[  390.652566][T10846]  ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126))
[  390.652572][T10846]  _printk (kernel/printk/printk.c:2504)
[  390.652575][T10846]  ? snapshot_read.cold (user.c:?)
[  390.652578][T10846]  ? lockdep_rtnl_is_held (./include/linux/lockdep.h:249 net/core/rtnetlink.c:182)
[  390.652582][T10846]  ? netdev_upper_get_next_dev_rcu (net/core/dev.c:8213 (discriminator 5))
[  390.652586][T10846]  ? __netdev_update_features (net/core/dev.c:11078 (discriminator 2))
[  390.652588][T10846]  ? netdev_name (./include/linux/netdevice.h:5709 (discriminator 1))
[  390.652591][T10846]  ? __netdev_printk (net/core/dev.c:13148 (discriminator 2))
[  390.652595][T10846]  netdev_info (net/core/dev.c:13195 (discriminator 3))
[  390.652598][T10846]  ? netdev_notice (net/core/dev.c:13194)
[  390.652600][T10846]  ? ovs_netdev_link (net/openvswitch/vport-netdev.c:85) openvswitch
[  390.652610][T10846]  ? 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)
[  390.652612][T10846]  __dev_set_promiscuity.cold (net/core/dev.c:9672 (discriminator 3))
[  390.652616][T10846]  netif_set_promiscuity (net/core/dev.c:9699)
[  390.652620][T10846]  dev_set_promiscuity (net/core/dev_api.c:288)
[  390.652622][T10846]  ? dev_disable_lro (net/core/dev_api.c:267)
[  390.652625][T10846] ovs_netdev_link (net/openvswitch/vport-netdev.c:106) openvswitch
[  390.652630][T10846] ovs_vport_add (net/openvswitch/vport.c:209) openvswitch
[  390.652635][T10846] new_vport (net/openvswitch/datapath.c:203) openvswitch
[  390.652640][T10846]  ? ovs_lookup_vport (./include/linux/lockdep.h:249 net/openvswitch/datapath.c:120 net/openvswitch/datapath.c:117 net/openvswitch/datapath.c:190) openvswitch
[  390.652644][T10846] ovs_vport_cmd_new (net/openvswitch/datapath.c:2389) openvswitch
[  390.652650][T10846]  ? ovs_vport_cmd_fill_info.isra.0 (./include/net/netlink.h:1107 (discriminator 1)) openvswitch
[  390.652654][T10846]  ? __nla_validate_parse (lib/nlattr.c:635)
[  390.652661][T10846]  ? __nla_parse (lib/nlattr.c:732)
[  390.652664][T10846]  ? genl_family_rcv_msg_attrs_parse.isra.0 (./include/net/netlink.h:789 (discriminator 2) net/netlink/genetlink.c:944 (discriminator 2))
[  390.652669][T10846]  genl_family_rcv_msg_doit (net/netlink/genetlink.c:1114)
[  390.652672][T10846]  ? genl_family_rcv_msg_attrs_parse.isra.0 (./include/net/netlink.h:785 (discriminator 2))
[  390.652681][T10846]  ? security_capable (security/security.c:660 (discriminator 11))
[  390.652686][T10846]  genl_family_rcv_msg (net/netlink/genetlink.c:1194)
[  390.652690][T10846]  ? genl_family_rcv_msg_dumpit (net/netlink/genetlink.c:1079)
[  390.652692][T10846]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380)
[  390.652695][T10846]  ? ovs_vport_cmd_fill_info.isra.0 (./include/net/netlink.h:1107 (discriminator 1)) openvswitch
[  390.652699][T10846]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[  390.652705][T10846]  genl_rcv_msg (net/netlink/genetlink.c:1209)
[  390.652709][T10846]  netlink_rcv_skb (net/netlink/af_netlink.c:2556)
[  390.652711][T10846]  ? genl_family_rcv_msg (net/netlink/genetlink.c:1136 (discriminator 2))
[  390.652715][T10846]  ? netlink_ack (./include/linux/skbuff.h:2718)
[  390.652722][T10846]  ? 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))
[  390.652725][T10846]  ? 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))
[  390.652729][T10846]  genl_rcv (net/netlink/genetlink.c:1218)
[  390.652731][T10846]  netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[  390.652735][T10846]  ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[  390.652739][T10846]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[  390.652743][T10846]  netlink_sendmsg (net/netlink/af_netlink.c:1900)
[  390.652747][T10846]  ? netlink_unicast (./include/net/net_namespace.h:422 (discriminator 7))
[  390.652749][T10846]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[  390.652752][T10846]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554)
[  390.652758][T10846]  __sock_sendmsg (net/socket.c:800 (discriminator 4) net/socket.c:815 (discriminator 4))
[  390.652761][T10846]  ? fdget (fs/file.c:1200 fs/file.c:1208)
[  390.652764][T10846]  __sys_sendto (net/socket.c:2281)
[  390.652771][T10846]  ? __ia32_sys_getpeername (net/socket.c:2235)
[  390.652783][T10846]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554)
[  390.652787][T10846]  __x64_sys_sendto (net/socket.c:2288 net/socket.c:2284 net/socket.c:2284)
[  390.652790][T10846]  ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22))
[  390.652794][T10846]  ? lockdep_hardirqs_on (kernel/locking/lockdep.c:4488)
[  390.652797][T10846]  ? do_syscall_64 (arch/x86/entry/syscall_64.c:81 (discriminator 44))
[  390.652800][T10846]  do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84)
[  390.652802][T10846]  ? irq_exit_rcu (kernel/softirq.c:786)
[  390.652806][T10846]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[  390.652809][T10846] RIP: 0033:0x7fabeb526312
[  390.652812][T10846] 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)
[  390.652814][T10846] RSP: 002b:00007fff6d6c0328 EFLAGS: 00000246 ORIG_RAX: 000000000000002c
[  390.652817][T10846] RAX: ffffffffffffffda RBX: 00007fff6d6c0458 RCX: 00007fabeb526312
[  390.652818][T10846] RDX: 0000000000000038 RSI: 00007fabe0efc2b0 RDI: 0000000000000023
[  390.652819][T10846] RBP: 00007fff6d6c0350 R08: 00007fff6d6c04d0 R09: 000000000000000c
[  390.652820][T10846] R10: 0000000000000000 R11: 0000000000000246 R12: 00007fabe938a190
[  390.652821][T10846] R13: 00007fff6d6c0458 R14: 00007fabeae4501a R15: 00007fff6d6c0848
| [  399.876765][   T70] softirqs last disabled at (9754522): __neigh_ifdown.isra.0 (./include/linux/spinlock.h:353 net/core/neighbour.c:464)
| [  399.876771][   T70] Preemption disabled at:
| [  399.876772][   T70] vprintk_emit (kernel/printk/printk.c:2471)
| [  399.876780][   T70] Tainted: [W]=WARN
[  399.876781][   T70] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[  399.876783][   T70] Workqueue: netns cleanup_net
[  399.876786][   T70] Call Trace:
[  399.876788][   T70]  <TASK>
[  399.876790][   T70]  dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120)
[  399.876796][   T70]  ? vprintk_emit (kernel/printk/printk.c:2471)
[  399.876798][   T70]  __might_resched.cold (kernel/sched/core.c:9234)
[  399.876802][   T70]  ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3))
[  399.876806][   T70]  ? __kmalloc_noprof (./include/linux/sched/mm.h:317 mm/slub.c:4636 mm/slub.c:4974 mm/slub.c:5413 mm/slub.c:5439)
[  399.876811][   T70]  __kmalloc_noprof (./include/linux/sched/mm.h:322 (discriminator 2) mm/slub.c:4636 (discriminator 2) mm/slub.c:4974 (discriminator 2) mm/slub.c:5413 (discriminator 2) mm/slub.c:5439 (discriminator 2))
[  399.876813][   T70]  ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[  399.876819][   T70]  ? do_raw_spin_unlock (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:32 ./include/asm-generic/qspinlock.h:58 kernel/locking/spinlock_debug.c:101 kernel/locking/spinlock_debug.c:141)
[  399.876822][   T70]  alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[  399.876826][   T70]  put_chars (drivers/char/virtio_console.c:1176)
[  399.876828][   T70]  ? prb_final_commit (kernel/printk/printk_ringbuffer.c:1842)
[  399.876831][   T70]  ? __send_to_port (drivers/char/virtio_console.c:654)
[  399.876834][   T70]  ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4116 (discriminator 3) kernel/rcu/tree.c:4108 (discriminator 3))
[  399.876837][   T70]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380)
[  399.876839][   T70]  ? validate_chain (kernel/locking/lockdep.c:3817 (discriminator 2) kernel/locking/lockdep.c:3837 (discriminator 2) kernel/locking/lockdep.c:3892 (discriminator 2))
[  399.876844][   T70]  hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2))
[  399.876848][   T70]  ? mark_usage (kernel/locking/lockdep.c:4690)
[  399.876850][   T70]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[  399.876852][   T70]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[  399.876856][   T70]  ? hvc_write (drivers/tty/hvc/hvc_console.c:501)
[  399.876859][   T70]  ? console_emit_next_record (kernel/printk/printk.c:3095 (discriminator 2) kernel/printk/printk.c:3182 (discriminator 2))
[  399.876862][   T70]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  399.876864][   T70]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  399.876868][   T70]  console_emit_next_record (kernel/printk/printk.c:3183)
[  399.876872][   T70]  ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20)
[  399.876874][   T70]  ? console_flush_one_record (./include/linux/rcupdate.h:314 (discriminator 2) ./include/linux/srcu.h:439 (discriminator 2) kernel/printk/printk.c:291 (discriminator 2) kernel/printk/printk.c:3246 (discriminator 2))
[  399.876878][   T70]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  399.876880][   T70]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  399.876884][   T70]  console_flush_one_record (kernel/printk/printk.c:3268)
[  399.876888][   T70]  ? console_emit_next_record (kernel/printk/printk.c:3150)
[  399.876890][   T70]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[  399.876896][   T70]  console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420)
[  399.876899][   T70]  ? console_flush_one_record (kernel/printk/printk.c:3316)
[  399.876901][   T70]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  399.876903][   T70]  ? 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)
[  399.876906][   T70]  ? __down_trylock_console_sem (kernel/printk/printk.c:334)
[  399.876908][   T70]  ? vprintk_emit (kernel/printk/printk.c:2478)
[  399.876911][   T70]  vprintk_emit (kernel/printk/printk.c:2479)
[  399.876914][   T70]  ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126))
[  399.876917][   T70]  ? net_disable_timestamp (./include/linux/workqueue.h:761)
[  399.876920][   T70]  ? net_generic (./include/linux/rcupdate.h:882 ./include/net/netns/generic.h:48) vxlan
[  399.876929][   T70]  _printk (kernel/printk/printk.c:2504)
[  399.876933][   T70]  ? snapshot_read.cold (user.c:?)
[  399.876938][   T70]  ? netdev_name (./include/linux/netdevice.h:5709 (discriminator 1))
[  399.876941][   T70]  ? __netdev_printk (net/core/dev.c:13148 (discriminator 2))
[  399.876945][   T70]  netdev_info (net/core/dev.c:13195 (discriminator 3))
[  399.876948][   T70]  ? netdev_notice (net/core/dev.c:13194)
[  399.876950][   T70]  ? __netdev_upper_dev_unlink (net/core/dev.c:9094)
[  399.876955][   T70]  ? synchronize_rcu_expedited (kernel/rcu/tree_exp.h:985)
[  399.876960][   T70]  ? 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)
[  399.876963][   T70]  __dev_set_promiscuity.cold (net/core/dev.c:9672 (discriminator 3))
[  399.876967][   T70]  netif_set_promiscuity (net/core/dev.c:9699)
[  399.876970][   T70]  dev_set_promiscuity (net/core/dev_api.c:288)
[  399.876972][   T70]  ? rtnl_is_locked (net/core/rtnetlink.c:169)
[  399.876975][   T70] ovs_netdev_detach_dev (net/openvswitch/vport-netdev.c:174) openvswitch
[  399.876982][   T70] dp_device_event (net/openvswitch/dp_notify.c:74) openvswitch
[  399.876987][   T70]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  399.876989][   T70]  notifier_call_chain (kernel/notifier.c:85)
[  399.876995][   T70]  unregister_netdevice_many_notify (net/core/dev.c:2313 net/core/dev.c:2327 net/core/dev.c:12518)
[  399.877000][   T70]  ? unregister_netdevice_queued (./include/linux/list.h:419 (discriminator 3))
[  399.877008][   T70]  default_device_exit_batch (net/core/dev.c:12589 net/core/dev.c:13288)
[  399.877012][   T70]  ? unregister_netdevice_queue (./include/linux/list.h:173)
[  399.877014][   T70]  ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3))
[  399.877017][   T70]  ? fou_exit_net (net/ipv4/fou_core.c:1228)
[  399.877021][   T70]  ops_undo_list (net/core/net_namespace.c:206 net/core/net_namespace.c:253)
[  399.877025][   T70]  ? lockdep_hardirqs_on (kernel/locking/lockdep.c:4488)
[  399.877029][   T70]  ? netns_install (./include/linux/ns_common.h:26)
[  399.877031][   T70]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554)
[  399.877034][   T70]  ? idr_destroy (lib/radix-tree.c:310 lib/radix-tree.c:674 lib/radix-tree.c:1563)
[  399.877039][   T70]  cleanup_net (net/core/net_namespace.c:706)
[  399.877042][   T70]  ? net_passive_dec (./include/linux/llist.h:241)
[  399.877046][   T70]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  399.877048][   T70]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  399.877052][   T70]  process_one_work (kernel/workqueue.c:3387)
[  399.877058][   T70]  ? __queue_delayed_work (kernel/workqueue.c:2622)
[  399.877062][   T70]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2))
[  399.877069][   T70]  worker_thread (kernel/workqueue.c:3470 kernel/workqueue.c:3551)
[  399.877074][   T70]  ? rescuer_thread (./include/linux/list.h:419 (discriminator 3))
[  399.877076][   T70]  ? __kthread_parkme (./include/linux/instrumented.h:82 ./include/asm-generic/bitops/instrumented-non-atomic.h:141 kernel/kthread.c:272)
[  399.877079][   T70]  ? rescuer_thread (./include/linux/list.h:419 (discriminator 3))
[  399.877082][   T70]  ? rescuer_thread (./include/linux/list.h:419 (discriminator 3))
[  399.877084][   T70]  kthread (kernel/kthread.c:436)
[  399.877086][   T70]  ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22))
[  399.877090][   T70]  ? kthread_affine_preferred (kernel/kthread.c:857)
[  399.877093][   T70]  ret_from_fork (arch/x86/kernel/process.c:158)
[  399.877097][   T70]  ? arch_exit_to_user_mode_prepare.isra.0 (arch/x86/entry/vdso/vma.c:80 (discriminator 1))
[  399.877101][   T70]  ? __switch_to (arch/x86/kernel/process_64.c:403 arch/x86/kernel/process_64.c:663)
[  399.877104][   T70]  ? kthread_affine_preferred (kernel/kthread.c:857)
[  399.877107][   T70]  ret_from_fork_asm (arch/x86/entry/entry_64.S:245)
| [  401.552522][T11086] softirqs last disabled at (380694): inet6_fill_ifla6_attrs (net/ipv6/addrconf.c:5883)
| [  401.552524][T11086] Preemption disabled at:
| [  401.552525][T11086] vprintk_emit (kernel/printk/printk.c:2471)
| [  401.552534][T11086] Tainted: [W]=WARN
[  401.552535][T11086] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[  401.552536][T11086] Call Trace:
[  401.552538][T11086]  <TASK>
[  401.552539][T11086]  dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120)
[  401.552545][T11086]  ? vprintk_emit (kernel/printk/printk.c:2471)
[  401.552547][T11086]  __might_resched.cold (kernel/sched/core.c:9234)
[  401.552552][T11086]  ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3))
[  401.552556][T11086]  ? __kmalloc_noprof (./include/linux/sched/mm.h:317 mm/slub.c:4636 mm/slub.c:4974 mm/slub.c:5413 mm/slub.c:5439)
[  401.552561][T11086]  __kmalloc_noprof (./include/linux/sched/mm.h:322 (discriminator 2) mm/slub.c:4636 (discriminator 2) mm/slub.c:4974 (discriminator 2) mm/slub.c:5413 (discriminator 2) mm/slub.c:5439 (discriminator 2))
[  401.552563][T11086]  ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[  401.552573][T11086]  ? do_raw_spin_unlock (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:32 ./include/asm-generic/qspinlock.h:58 kernel/locking/spinlock_debug.c:101 kernel/locking/spinlock_debug.c:141)
[  401.552576][T11086]  alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[  401.552580][T11086]  put_chars (drivers/char/virtio_console.c:1176)
[  401.552583][T11086]  ? __send_to_port (drivers/char/virtio_console.c:654)
[  401.552584][T11086]  ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4116 (discriminator 3) kernel/rcu/tree.c:4108 (discriminator 3))
[  401.552588][T11086]  ? validate_chain (kernel/locking/lockdep.c:3817 (discriminator 2) kernel/locking/lockdep.c:3837 (discriminator 2) kernel/locking/lockdep.c:3892 (discriminator 2))
[  401.552593][T11086]  hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2))
[  401.552601][T11086]  ? hvc_write (drivers/tty/hvc/hvc_console.c:501)
[  401.552604][T11086]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  401.552606][T11086]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  401.552610][T11086]  console_emit_next_record (kernel/printk/printk.c:3183)
[  401.552614][T11086]  ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20)
[  401.552616][T11086]  ? console_flush_one_record (./include/linux/rcupdate.h:314 (discriminator 2) ./include/linux/srcu.h:439 (discriminator 2) kernel/printk/printk.c:291 (discriminator 2) kernel/printk/printk.c:3246 (discriminator 2))
[  401.552620][T11086]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  401.552621][T11086]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  401.552625][T11086]  console_flush_one_record (kernel/printk/printk.c:3268)
[  401.552630][T11086]  ? console_emit_next_record (kernel/printk/printk.c:3150)
[  401.552632][T11086]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[  401.552637][T11086]  console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420)
[  401.552640][T11086]  ? console_flush_one_record (kernel/printk/printk.c:3316)
[  401.552642][T11086]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  401.552644][T11086]  ? 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)
[  401.552648][T11086]  ? __down_trylock_console_sem (kernel/printk/printk.c:334)
[  401.552650][T11086]  ? vprintk_emit (kernel/printk/printk.c:2478)
[  401.552653][T11086]  vprintk_emit (kernel/printk/printk.c:2479)
[  401.552656][T11086]  ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126))
[  401.552659][T11086]  ? net_disable_timestamp (./include/linux/workqueue.h:761)
[  401.552662][T11086]  ? net_generic (./include/linux/rcupdate.h:882 ./include/net/netns/generic.h:48) vxlan
[  401.552670][T11086]  _printk (kernel/printk/printk.c:2504)
[  401.552674][T11086]  ? snapshot_read.cold (user.c:?)
[  401.552678][T11086]  ? netdev_name (./include/linux/netdevice.h:5709 (discriminator 1))
[  401.552682][T11086]  ? __netdev_printk (net/core/dev.c:13148 (discriminator 2))
[  401.552686][T11086]  netdev_info (net/core/dev.c:13195 (discriminator 3))
[  401.552689][T11086]  ? netdev_notice (net/core/dev.c:13194)
[  401.552691][T11086]  ? __netdev_upper_dev_unlink (net/core/dev.c:9094)
[  401.552696][T11086]  ? synchronize_rcu_expedited (kernel/rcu/tree_exp.h:985)
[  401.552701][T11086]  ? 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)
[  401.552704][T11086]  __dev_set_promiscuity.cold (net/core/dev.c:9672 (discriminator 3))
[  401.552708][T11086]  netif_set_promiscuity (net/core/dev.c:9699)
[  401.552712][T11086]  dev_set_promiscuity (net/core/dev_api.c:288)
[  401.552714][T11086]  ? rtnl_is_locked (net/core/rtnetlink.c:169)
[  401.552717][T11086] ovs_netdev_detach_dev (net/openvswitch/vport-netdev.c:174) openvswitch
[  401.552721][T11086]  ? netdev_destroy (net/openvswitch/vport-netdev.c:189) openvswitch
[  401.552725][T11086] netdev_destroy (net/openvswitch/vport-netdev.c:194) openvswitch
[  401.552730][T11086] ovs_vport_cmd_del (net/openvswitch/datapath.c:2505) openvswitch
[  401.552738][T11086]  genl_family_rcv_msg_doit (net/netlink/genetlink.c:1114)
[  401.552741][T11086]  ? genl_family_rcv_msg_attrs_parse.isra.0 (./include/net/netlink.h:785 (discriminator 2))
[  401.552750][T11086]  ? security_capable (security/security.c:660 (discriminator 11))
[  401.552754][T11086]  genl_family_rcv_msg (net/netlink/genetlink.c:1194)
[  401.552758][T11086]  ? genl_family_rcv_msg_dumpit (net/netlink/genetlink.c:1079)
[  401.552761][T11086]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380)
[  401.552764][T11086]  ? ovs_dp_detach_port (./include/linux/list.h:1047 (discriminator 2)) openvswitch
[  401.552771][T11086]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[  401.552777][T11086]  genl_rcv_msg (net/netlink/genetlink.c:1209)
[  401.552781][T11086]  netlink_rcv_skb (net/netlink/af_netlink.c:2556)
[  401.552783][T11086]  ? genl_family_rcv_msg (net/netlink/genetlink.c:1136 (discriminator 2))
[  401.552786][T11086]  ? netlink_ack (./include/linux/skbuff.h:2718)
[  401.552793][T11086]  ? 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))
[  401.552795][T11086]  ? 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))
[  401.552800][T11086]  genl_rcv (net/netlink/genetlink.c:1218)
[  401.552802][T11086]  netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[  401.552806][T11086]  ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[  401.552810][T11086]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[  401.552813][T11086]  netlink_sendmsg (net/netlink/af_netlink.c:1900)
[  401.552818][T11086]  ? netlink_unicast (./include/net/net_namespace.h:422 (discriminator 7))
[  401.552819][T11086]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[  401.552823][T11086]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554)
[  401.552828][T11086]  __sock_sendmsg (net/socket.c:800 (discriminator 4) net/socket.c:815 (discriminator 4))
[  401.552831][T11086]  ? fdget (fs/file.c:1200 fs/file.c:1208)
[  401.552835][T11086]  __sys_sendto (net/socket.c:2281)
[  401.552838][T11086]  ? __ia32_sys_getpeername (net/socket.c:2235)
[  401.552849][T11086]  ? exc_page_fault (arch/x86/mm/fault.c:1483 arch/x86/mm/fault.c:1536)
[  401.552855][T11086]  __x64_sys_sendto (net/socket.c:2288 net/socket.c:2284 net/socket.c:2284)
[  401.552858][T11086]  ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22))
[  401.552862][T11086]  ? lockdep_hardirqs_on (kernel/locking/lockdep.c:4488)
[  401.552863][T11086]  ? do_syscall_64 (arch/x86/entry/syscall_64.c:81 (discriminator 44))
[  401.552866][T11086]  do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84)
[  401.552868][T11086]  ? exc_page_fault (arch/x86/mm/fault.c:1489 (discriminator 3) arch/x86/mm/fault.c:1536 (discriminator 3))
[  401.552871][T11086]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[  401.552873][T11086] RIP: 0033:0x7feb004d6312
[  401.552876][T11086] 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)
[  401.552878][T11086] RSP: 002b:00007ffedf5a3fb8 EFLAGS: 00000246 ORIG_RAX: 000000000000002c
[  401.552881][T11086] RAX: ffffffffffffffda RBX: 00007ffedf5a40e8 RCX: 00007feb004d6312
[  401.552882][T11086] RDX: 0000000000000028 RSI: 00007feaffb29860 RDI: 0000000000000023
[  401.552883][T11086] RBP: 00007ffedf5a3fe0 R08: 00007ffedf5a4160 R09: 000000000000000c
[  401.552884][T11086] R10: 0000000000000000 R11: 0000000000000246 R12: 00007feafe339fd0
[  401.552885][T11086] R13: 00007ffedf5a40e8 R14: 00007feaffdf501a R15: 00007ffedf5a44d8
| [  405.152485][T11194] softirqs last disabled at (385716): __alloc_skb (./include/linux/bottom_half.h:20 (discriminator 2) net/core/skbuff.c:697 (discriminator 2))
| [  405.152488][T11194] Preemption disabled at:
| [  405.152489][T11194] vprintk_emit (kernel/printk/printk.c:2471)
| [  405.152497][T11194] Tainted: [W]=WARN
[  405.152498][T11194] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[  405.152500][T11194] Call Trace:
[  405.152502][T11194]  <TASK>
[  405.152503][T11194]  dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120)
[  405.152509][T11194]  ? vprintk_emit (kernel/printk/printk.c:2471)
[  405.152511][T11194]  __might_resched.cold (kernel/sched/core.c:9234)
[  405.152516][T11194]  ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3))
[  405.152520][T11194]  ? __kmalloc_noprof (./include/linux/sched/mm.h:317 mm/slub.c:4636 mm/slub.c:4974 mm/slub.c:5413 mm/slub.c:5439)
[  405.152525][T11194]  __kmalloc_noprof (./include/linux/sched/mm.h:322 (discriminator 2) mm/slub.c:4636 (discriminator 2) mm/slub.c:4974 (discriminator 2) mm/slub.c:5413 (discriminator 2) mm/slub.c:5439 (discriminator 2))
[  405.152527][T11194]  ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[  405.152534][T11194]  ? do_raw_spin_unlock (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:32 ./include/asm-generic/qspinlock.h:58 kernel/locking/spinlock_debug.c:101 kernel/locking/spinlock_debug.c:141)
[  405.152537][T11194]  alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[  405.152541][T11194]  put_chars (drivers/char/virtio_console.c:1176)
[  405.152543][T11194]  ? __send_to_port (drivers/char/virtio_console.c:654)
[  405.152546][T11194]  ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4116 (discriminator 3) kernel/rcu/tree.c:4108 (discriminator 3))
[  405.152549][T11194]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380)
[  405.152552][T11194]  ? validate_chain (kernel/locking/lockdep.c:3817 (discriminator 2) kernel/locking/lockdep.c:3837 (discriminator 2) kernel/locking/lockdep.c:3892 (discriminator 2))
[  405.152556][T11194]  hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2))
[  405.152561][T11194]  ? mark_usage (kernel/locking/lockdep.c:4690)
[  405.152563][T11194]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[  405.152565][T11194]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[  405.152569][T11194]  ? hvc_write (drivers/tty/hvc/hvc_console.c:501)
[  405.152571][T11194]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2))
[  405.152580][T11194]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  405.152584][T11194]  console_emit_next_record (kernel/printk/printk.c:3183)
[  405.152588][T11194]  ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20)
[  405.152590][T11194]  ? console_flush_one_record (./include/linux/rcupdate.h:314 (discriminator 2) ./include/linux/srcu.h:439 (discriminator 2) kernel/printk/printk.c:291 (discriminator 2) kernel/printk/printk.c:3246 (discriminator 2))
[  405.152594][T11194]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  405.152595][T11194]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  405.152599][T11194]  console_flush_one_record (kernel/printk/printk.c:3268)
[  405.152604][T11194]  ? console_emit_next_record (kernel/printk/printk.c:3150)
[  405.152606][T11194]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[  405.152611][T11194]  console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420)
[  405.152614][T11194]  ? console_flush_one_record (kernel/printk/printk.c:3316)
[  405.152616][T11194]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  405.152617][T11194]  ? lock_acquire (./include/linux/srcutree.h:374 ./include/linux/srcu.h:541 ./include/linux/srcu.h:645 ./include/trace/events/lock.h:23 ./include/trace/events/lock.h:23 kernel/locking/lockdep.c:5871)
[  405.152621][T11194]  ? __down_trylock_console_sem (kernel/printk/printk.c:334)
[  405.152623][T11194]  ? vprintk_emit (kernel/printk/printk.c:2478)
[  405.152626][T11194]  vprintk_emit (kernel/printk/printk.c:2479)
[  405.152629][T11194]  ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126))
[  405.152631][T11194]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554)
[  405.152633][T11194]  ? genl_family_rcv_msg (net/netlink/genetlink.c:1194)
[  405.152637][T11194]  _printk (kernel/printk/printk.c:2504)
[  405.152641][T11194]  ? snapshot_read.cold (user.c:?)
[  405.152642][T11194]  ? ___ratelimit (lib/ratelimit.c:97 (discriminator 3))
[  405.152648][T11194]  ? idr_get_free (??:?)
[  405.152653][T11194]  validate_nla.cold (lib/nlattr.c:414 (discriminator 4))
[  405.152662][T11194]  ? nla_get_range_signed (lib/nlattr.c:270)
[  405.152668][T11194]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  405.152669][T11194]  ? trace_kmalloc (./include/trace/events/kmem.h:57 (discriminator 22))
[  405.152674][T11194]  __nla_validate_parse (lib/nlattr.c:635)
[  405.152679][T11194]  __nla_parse (lib/nlattr.c:732)
[  405.152682][T11194]  genl_family_rcv_msg_attrs_parse.isra.0 (./include/net/netlink.h:789 (discriminator 2) net/netlink/genetlink.c:944 (discriminator 2))
[  405.152686][T11194]  genl_family_rcv_msg_doit (net/netlink/genetlink.c:1092)
[  405.152690][T11194]  ? genl_family_rcv_msg_attrs_parse.isra.0 (./include/net/netlink.h:785 (discriminator 2))
[  405.152698][T11194]  ? security_capable (security/security.c:660 (discriminator 11))
[  405.152702][T11194]  genl_family_rcv_msg (net/netlink/genetlink.c:1194)
[  405.152706][T11194]  ? genl_family_rcv_msg_dumpit (net/netlink/genetlink.c:1079)
[  405.152709][T11194]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380)
[  405.152711][T11194]  ? ovs_dp_cmd_get (./include/net/net_namespace.h:422 (discriminator 7)) openvswitch
[  405.152719][T11194]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[  405.152725][T11194]  genl_rcv_msg (net/netlink/genetlink.c:1209)
[  405.152728][T11194]  netlink_rcv_skb (net/netlink/af_netlink.c:2556)
[  405.152730][T11194]  ? genl_family_rcv_msg (net/netlink/genetlink.c:1136 (discriminator 2))
[  405.152734][T11194]  ? netlink_ack (./include/linux/skbuff.h:2718)
[  405.152741][T11194]  ? netlink_deliver_tap (./include/linux/rcupdate.h:319 (discriminator 2) ./include/linux/rcupdate.h:880 (discriminator 2) ./include/net/netns/generic.h:48 (discriminator 2) net/netlink/af_netlink.c:334 (discriminator 2))
[  405.152743][T11194]  ? netlink_deliver_tap (./include/linux/rcupdate.h:319 (discriminator 2) ./include/linux/rcupdate.h:880 (discriminator 2) net/netlink/af_netlink.c:341 (discriminator 2))
[  405.152747][T11194]  genl_rcv (net/netlink/genetlink.c:1218)
[  405.152749][T11194]  netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[  405.152753][T11194]  ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[  405.152757][T11194]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[  405.152760][T11194]  netlink_sendmsg (net/netlink/af_netlink.c:1900)
[  405.152764][T11194]  ? netlink_unicast (./include/net/net_namespace.h:422 (discriminator 7))
[  405.152766][T11194]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[  405.152772][T11194]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554)
[  405.152777][T11194]  __sock_sendmsg (net/socket.c:800 (discriminator 4) net/socket.c:815 (discriminator 4))
[  405.152780][T11194]  ? fdget (fs/file.c:1200 fs/file.c:1208)
[  405.152784][T11194]  __sys_sendto (net/socket.c:2281)
[  405.152787][T11194]  ? __ia32_sys_getpeername (net/socket.c:2235)
[  405.152798][T11194]  ? fput_close_sync (fs/file_table.c:617)
[  405.152801][T11194]  ? alloc_file_clone (fs/file_table.c:479)
[  405.152805][T11194]  __x64_sys_sendto (net/socket.c:2288 net/socket.c:2284 net/socket.c:2284)
[  405.152808][T11194]  ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22))
[  405.152811][T11194]  ? lockdep_hardirqs_on (kernel/locking/lockdep.c:4488)
[  405.152814][T11194]  ? do_syscall_64 (arch/x86/entry/syscall_64.c:81 (discriminator 44))
[  405.152816][T11194]  do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84)
[  405.152819][T11194]  ? exc_page_fault (arch/x86/mm/fault.c:1489 (discriminator 3) arch/x86/mm/fault.c:1536 (discriminator 3))
[  405.152821][T11194]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[  405.152824][T11194] RIP: 0033:0x7fcd31187312
[  405.152827][T11194] Code: 08 0f 85 71 41 ff ff 49 89 fb 48 89 f0 48 89 d7 48 89 ce 4c 89 c2 4d 89 ca 4c 8b 44 24 08 4c 8b 4c 24 10 4c 89 5c 24 08 0f 05 <c3> 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 00 f3 0f 1e fa 55 bf 01 00
All code
========
   0:	08 0f                	or     %cl,(%rdi)
   2:	85 71 41             	test   %esi,0x41(%rcx)
   5:	ff                   	(bad)
   6:	ff 49 89             	decl   -0x77(%rcx)
   9:	fb                   	sti
   a:	48 89 f0             	mov    %rsi,%rax
   d:	48 89 d7             	mov    %rdx,%rdi
  10:	48 89 ce             	mov    %rcx,%rsi
  13:	4c 89 c2             	mov    %r8,%rdx
  16:	4d 89 ca             	mov    %r9,%r10
  19:	4c 8b 44 24 08       	mov    0x8(%rsp),%r8
  1e:	4c 8b 4c 24 10       	mov    0x10(%rsp),%r9
  23:	4c 89 5c 24 08       	mov    %r11,0x8(%rsp)
  28:	0f 05                	syscall
  2a:*	c3                   	ret		<-- trapping instruction
  2b:	66 2e 0f 1f 84 00 00 	cs nopw 0x0(%rax,%rax,1)
  32:	00 00 00 
  35:	0f 1f 00             	nopl   (%rax)
  38:	f3 0f 1e fa          	endbr64
  3c:	55                   	push   %rbp
  3d:	bf                   	.byte 0xbf
  3e:	01 00                	add    %eax,(%rax)

Code starting with the faulting instruction
===========================================
   0:	c3                   	ret
   1:	66 2e 0f 1f 84 00 00 	cs nopw 0x0(%rax,%rax,1)
   8:	00 00 00 
   b:	0f 1f 00             	nopl   (%rax)
   e:	f3 0f 1e fa          	endbr64
  12:	55                   	push   %rbp
  13:	bf                   	.byte 0xbf
  14:	01 00                	add    %eax,(%rax)
[  405.152829][T11194] RSP: 002b:00007ffd1c0566a8 EFLAGS: 00000246 ORIG_RAX: 000000000000002c
[  405.152832][T11194] RAX: ffffffffffffffda RBX: 00007ffd1c0567d8 RCX: 00007fcd31187312
[  405.152833][T11194] RDX: 0000000000000044 RSI: 00007fcd2cd5ae20 RDI: 0000000000000020
[  405.152834][T11194] RBP: 00007ffd1c0566d0 R08: 00007ffd1c056850 R09: 000000000000000c
[  405.152835][T11194] R10: 0000000000000000 R11: 0000000000000246 R12: 00007fcd2efea0b0
[  405.152836][T11194] R13: 00007ffd1c0567d8 R14: 00007fcd30aa601a R15: 00007ffd1c056bc8
| [  406.243086][T11224] softirqs last disabled at (392658): inet6_fill_ifla6_attrs (net/ipv6/addrconf.c:5883)
| [  406.243088][T11224] Preemption disabled at:
| [  406.243089][T11224] vprintk_emit (kernel/printk/printk.c:2471)
| [  406.243098][T11224] Tainted: [W]=WARN
[  406.243099][T11224] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[  406.243100][T11224] Call Trace:
[  406.243102][T11224]  <TASK>
[  406.243103][T11224]  dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120)
[  406.243109][T11224]  ? vprintk_emit (kernel/printk/printk.c:2471)
[  406.243111][T11224]  __might_resched.cold (kernel/sched/core.c:9234)
[  406.243116][T11224]  ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3))
[  406.243120][T11224]  ? __kmalloc_noprof (./include/linux/sched/mm.h:317 mm/slub.c:4636 mm/slub.c:4974 mm/slub.c:5413 mm/slub.c:5439)
[  406.243125][T11224]  __kmalloc_noprof (./include/linux/sched/mm.h:322 (discriminator 2) mm/slub.c:4636 (discriminator 2) mm/slub.c:4974 (discriminator 2) mm/slub.c:5413 (discriminator 2) mm/slub.c:5439 (discriminator 2))
[  406.243127][T11224]  ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[  406.243134][T11224]  ? do_raw_spin_unlock (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:32 ./include/asm-generic/qspinlock.h:58 kernel/locking/spinlock_debug.c:101 kernel/locking/spinlock_debug.c:141)
[  406.243137][T11224]  alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[  406.243141][T11224]  put_chars (drivers/char/virtio_console.c:1176)
[  406.243144][T11224]  ? __send_to_port (drivers/char/virtio_console.c:654)
[  406.243147][T11224]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380)
[  406.243150][T11224]  ? validate_chain (kernel/locking/lockdep.c:3817 (discriminator 2) kernel/locking/lockdep.c:3837 (discriminator 2) kernel/locking/lockdep.c:3892 (discriminator 2))
[  406.243155][T11224]  hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2))
[  406.243159][T11224]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[  406.243161][T11224]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[  406.243166][T11224]  ? hvc_write (drivers/tty/hvc/hvc_console.c:501)
[  406.243170][T11224]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  406.243172][T11224]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  406.243176][T11224]  console_emit_next_record (kernel/printk/printk.c:3183)
[  406.243181][T11224]  ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20)
[  406.243183][T11224]  ? console_flush_one_record (./include/linux/rcupdate.h:314 (discriminator 2) ./include/linux/srcu.h:439 (discriminator 2) kernel/printk/printk.c:291 (discriminator 2) kernel/printk/printk.c:3246 (discriminator 2))
[  406.243186][T11224]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  406.243188][T11224]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  406.243192][T11224]  console_flush_one_record (kernel/printk/printk.c:3268)
[  406.243196][T11224]  ? console_emit_next_record (kernel/printk/printk.c:3150)
[  406.243198][T11224]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[  406.243204][T11224]  console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420)
[  406.243207][T11224]  ? console_flush_one_record (kernel/printk/printk.c:3316)
[  406.243209][T11224]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  406.243211][T11224]  ? 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)
[  406.243215][T11224]  ? __down_trylock_console_sem (kernel/printk/printk.c:334)
[  406.243217][T11224]  ? vprintk_emit (kernel/printk/printk.c:2478)
[  406.243220][T11224]  vprintk_emit (kernel/printk/printk.c:2479)
[  406.243223][T11224]  ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126))
[  406.243228][T11224]  _printk (kernel/printk/printk.c:2504)
[  406.243232][T11224]  ? snapshot_read.cold (user.c:?)
[  406.243235][T11224]  ? lockdep_rtnl_is_held (./include/linux/lockdep.h:249 net/core/rtnetlink.c:182)
[  406.243238][T11224]  ? netdev_upper_get_next_dev_rcu (net/core/dev.c:8213 (discriminator 5))
[  406.243242][T11224]  ? __netdev_update_features (net/core/dev.c:11078 (discriminator 2))
[  406.243244][T11224]  ? netdev_name (./include/linux/netdevice.h:5709 (discriminator 1))
[  406.243248][T11224]  ? __netdev_printk (net/core/dev.c:13148 (discriminator 2))
[  406.243252][T11224]  netdev_info (net/core/dev.c:13195 (discriminator 3))
[  406.243255][T11224]  ? netdev_notice (net/core/dev.c:13194)
[  406.243257][T11224]  ? ovs_netdev_link (net/openvswitch/vport-netdev.c:85) openvswitch
[  406.243266][T11224]  ? 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)
[  406.243269][T11224]  __dev_set_promiscuity.cold (net/core/dev.c:9672 (discriminator 3))
[  406.243272][T11224]  netif_set_promiscuity (net/core/dev.c:9699)
[  406.243276][T11224]  dev_set_promiscuity (net/core/dev_api.c:288)
[  406.243279][T11224]  ? dev_disable_lro (net/core/dev_api.c:267)
[  406.243281][T11224] ovs_netdev_link (net/openvswitch/vport-netdev.c:106) openvswitch
[  406.243287][T11224] ovs_vport_add (net/openvswitch/vport.c:209) openvswitch
[  406.243292][T11224] new_vport (net/openvswitch/datapath.c:203) openvswitch
[  406.243296][T11224]  ? ovs_lookup_vport (./include/linux/lockdep.h:249 net/openvswitch/datapath.c:120 net/openvswitch/datapath.c:117 net/openvswitch/datapath.c:190) openvswitch
[  406.243301][T11224] ovs_vport_cmd_new (net/openvswitch/datapath.c:2389) openvswitch
[  406.243307][T11224]  ? ovs_vport_cmd_fill_info.isra.0 (./include/net/netlink.h:1107 (discriminator 1)) openvswitch
[  406.243311][T11224]  ? __nla_validate_parse (lib/nlattr.c:635)
[  406.243317][T11224]  ? __nla_parse (lib/nlattr.c:732)
[  406.243320][T11224]  ? genl_family_rcv_msg_attrs_parse.isra.0 (./include/net/netlink.h:789 (discriminator 2) net/netlink/genetlink.c:944 (discriminator 2))
[  406.243325][T11224]  genl_family_rcv_msg_doit (net/netlink/genetlink.c:1114)
[  406.243328][T11224]  ? genl_family_rcv_msg_attrs_parse.isra.0 (./include/net/netlink.h:785 (discriminator 2))
[  406.243337][T11224]  ? security_capable (security/security.c:660 (discriminator 11))
[  406.243341][T11224]  genl_family_rcv_msg (net/netlink/genetlink.c:1194)
[  406.243345][T11224]  ? genl_family_rcv_msg_dumpit (net/netlink/genetlink.c:1079)
[  406.243348][T11224]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380)
[  406.243350][T11224]  ? ovs_vport_cmd_fill_info.isra.0 (./include/net/netlink.h:1107 (discriminator 1)) openvswitch
[  406.243354][T11224]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[  406.243360][T11224]  genl_rcv_msg (net/netlink/genetlink.c:1209)
[  406.243364][T11224]  netlink_rcv_skb (net/netlink/af_netlink.c:2556)
[  406.243366][T11224]  ? genl_family_rcv_msg (net/netlink/genetlink.c:1136 (discriminator 2))
[  406.243369][T11224]  ? netlink_ack (./include/linux/skbuff.h:2718)
[  406.243377][T11224]  ? 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))
[  406.243378][T11224]  ? 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))
[  406.243383][T11224]  genl_rcv (net/netlink/genetlink.c:1218)
[  406.243385][T11224]  netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[  406.243389][T11224]  ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[  406.243393][T11224]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[  406.243396][T11224]  netlink_sendmsg (net/netlink/af_netlink.c:1900)
[  406.243401][T11224]  ? netlink_unicast (./include/net/net_namespace.h:422 (discriminator 7))
[  406.243403][T11224]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[  406.243406][T11224]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554)
[  406.243411][T11224]  __sock_sendmsg (net/socket.c:800 (discriminator 4) net/socket.c:815 (discriminator 4))
[  406.243414][T11224]  ? fdget (fs/file.c:1200 fs/file.c:1208)
[  406.243418][T11224]  __sys_sendto (net/socket.c:2281)
[  406.243421][T11224]  ? __ia32_sys_getpeername (net/socket.c:2235)
[  406.243432][T11224]  ? exc_page_fault (arch/x86/mm/fault.c:1483 arch/x86/mm/fault.c:1536)
[  406.243439][T11224]  __x64_sys_sendto (net/socket.c:2288 net/socket.c:2284 net/socket.c:2284)
[  406.243441][T11224]  ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22))
[  406.243445][T11224]  ? lockdep_hardirqs_on (kernel/locking/lockdep.c:4488)
[  406.243446][T11224]  ? do_syscall_64 (arch/x86/entry/syscall_64.c:81 (discriminator 44))
[  406.243449][T11224]  do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84)
[  406.243451][T11224]  ? exc_page_fault (arch/x86/mm/fault.c:1489 (discriminator 3) arch/x86/mm/fault.c:1536 (discriminator 3))
[  406.243454][T11224]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[  406.243456][T11224] RIP: 0033:0x7f49f5be0312
[  406.243459][T11224] 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)
[  406.243461][T11224] RSP: 002b:00007ffcaa6deef8 EFLAGS: 00000246 ORIG_RAX: 000000000000002c
[  406.243464][T11224] RAX: ffffffffffffffda RBX: 00007ffcaa6df028 RCX: 00007f49f5be0312
[  406.243466][T11224] RDX: 0000000000000038 RSI: 00007f49f0667170 RDI: 0000000000000023
[  406.243467][T11224] RBP: 00007ffcaa6def20 R08: 00007ffcaa6df0a0 R09: 000000000000000c
[  406.243468][T11224] R10: 0000000000000000 R11: 0000000000000246 R12: 00007f49f3a4e190
[  406.243469][T11224] R13: 00007ffcaa6df028 R14: 00007f49f54ff01a R15: 00007ffcaa6df418
| [  415.424980][   T70] softirqs last disabled at (9941490): __neigh_ifdown.isra.0 (./include/linux/spinlock.h:353 net/core/neighbour.c:464)
| [  415.424982][   T70] Preemption disabled at:
| [  415.424983][   T70] vprintk_emit (kernel/printk/printk.c:2471)
| [  415.424992][   T70] Tainted: [W]=WARN
[  415.424993][   T70] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[  415.424995][   T70] Workqueue: netns cleanup_net
[  415.424998][   T70] Call Trace:
[  415.425000][   T70]  <TASK>
[  415.425001][   T70]  dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120)
[  415.425007][   T70]  ? vprintk_emit (kernel/printk/printk.c:2471)
[  415.425009][   T70]  __might_resched.cold (kernel/sched/core.c:9234)
[  415.425013][   T70]  ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3))
[  415.425018][   T70]  ? __kmalloc_noprof (./include/linux/sched/mm.h:317 mm/slub.c:4636 mm/slub.c:4974 mm/slub.c:5413 mm/slub.c:5439)
[  415.425022][   T70]  __kmalloc_noprof (./include/linux/sched/mm.h:322 (discriminator 2) mm/slub.c:4636 (discriminator 2) mm/slub.c:4974 (discriminator 2) mm/slub.c:5413 (discriminator 2) mm/slub.c:5439 (discriminator 2))
[  415.425024][   T70]  ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[  415.425031][   T70]  ? do_raw_spin_unlock (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:32 ./include/asm-generic/qspinlock.h:58 kernel/locking/spinlock_debug.c:101 kernel/locking/spinlock_debug.c:141)
[  415.425034][   T70]  alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[  415.425038][   T70]  put_chars (drivers/char/virtio_console.c:1176)
[  415.425040][   T70]  ? prb_final_commit (kernel/printk/printk_ringbuffer.c:1842)
[  415.425042][   T70]  ? __send_to_port (drivers/char/virtio_console.c:654)
[  415.425045][   T70]  ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4116 (discriminator 3) kernel/rcu/tree.c:4108 (discriminator 3))
[  415.425049][   T70]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380)
[  415.425052][   T70]  ? validate_chain (kernel/locking/lockdep.c:3817 (discriminator 2) kernel/locking/lockdep.c:3837 (discriminator 2) kernel/locking/lockdep.c:3892 (discriminator 2))
[  415.425056][   T70]  hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2))
[  415.425060][   T70]  ? mark_usage (kernel/locking/lockdep.c:4690)
[  415.425063][   T70]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[  415.425064][   T70]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[  415.425069][   T70]  ? hvc_write (drivers/tty/hvc/hvc_console.c:501)
[  415.425071][   T70]  ? console_emit_next_record (kernel/printk/printk.c:3095 (discriminator 2) kernel/printk/printk.c:3182 (discriminator 2))
[  415.425075][   T70]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  415.425077][   T70]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  415.425081][   T70]  console_emit_next_record (kernel/printk/printk.c:3183)
[  415.425086][   T70]  ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20)
[  415.425088][   T70]  ? console_flush_one_record (./include/linux/rcupdate.h:314 (discriminator 2) ./include/linux/srcu.h:439 (discriminator 2) kernel/printk/printk.c:291 (discriminator 2) kernel/printk/printk.c:3246 (discriminator 2))
[  415.425091][   T70]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  415.425093][   T70]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  415.425097][   T70]  console_flush_one_record (kernel/printk/printk.c:3268)
[  415.425102][   T70]  ? console_emit_next_record (kernel/printk/printk.c:3150)
[  415.425104][   T70]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[  415.425110][   T70]  console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420)
[  415.425113][   T70]  ? console_flush_one_record (kernel/printk/printk.c:3316)
[  415.425115][   T70]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  415.425117][   T70]  ? lock_acquire (./include/linux/srcutree.h:374 ./include/linux/srcu.h:541 ./include/linux/srcu.h:645 ./include/trace/events/lock.h:23 ./include/trace/events/lock.h:23 kernel/locking/lockdep.c:5871)
[  415.425121][   T70]  ? __down_trylock_console_sem (kernel/printk/printk.c:334)
[  415.425123][   T70]  ? vprintk_emit (kernel/printk/printk.c:2478)
[  415.425126][   T70]  vprintk_emit (kernel/printk/printk.c:2479)
[  415.425129][   T70]  ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126))
[  415.425132][   T70]  ? net_disable_timestamp (./include/linux/workqueue.h:761)
[  415.425134][   T70]  ? net_generic (./include/linux/rcupdate.h:882 ./include/net/netns/generic.h:48) vxlan
[  415.425144][   T70]  _printk (kernel/printk/printk.c:2504)
[  415.425147][   T70]  ? snapshot_read.cold (user.c:?)
[  415.425152][   T70]  ? netdev_name (./include/linux/netdevice.h:5709 (discriminator 1))
[  415.425156][   T70]  ? __netdev_printk (net/core/dev.c:13148 (discriminator 2))
[  415.425161][   T70]  netdev_info (net/core/dev.c:13195 (discriminator 3))
[  415.425164][   T70]  ? netdev_notice (net/core/dev.c:13194)
[  415.425166][   T70]  ? __netdev_upper_dev_unlink (net/core/dev.c:9094)
[  415.425170][   T70]  ? synchronize_rcu_expedited (kernel/rcu/tree_exp.h:985)
[  415.425176][   T70]  ? mutex_is_locked (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:3188 kernel/locking/mutex.h:48 kernel/locking/mutex.c:65)
[  415.425178][   T70]  __dev_set_promiscuity.cold (net/core/dev.c:9672 (discriminator 3))
[  415.425182][   T70]  netif_set_promiscuity (net/core/dev.c:9699)
[  415.425186][   T70]  dev_set_promiscuity (net/core/dev_api.c:288)
[  415.425188][   T70]  ? rtnl_is_locked (net/core/rtnetlink.c:169)
[  415.425192][   T70] ovs_netdev_detach_dev (net/openvswitch/vport-netdev.c:174) openvswitch
[  415.425199][   T70] dp_device_event (net/openvswitch/dp_notify.c:74) openvswitch
[  415.425204][   T70]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  415.425206][   T70]  notifier_call_chain (kernel/notifier.c:85)
[  415.425212][   T70]  unregister_netdevice_many_notify (net/core/dev.c:2313 net/core/dev.c:2327 net/core/dev.c:12518)
[  415.425218][   T70]  ? unregister_netdevice_queued (./include/linux/list.h:419 (discriminator 3))
[  415.425226][   T70]  default_device_exit_batch (net/core/dev.c:12589 net/core/dev.c:13288)
[  415.425229][   T70]  ? unregister_netdevice_queue (./include/linux/list.h:173)
[  415.425232][   T70]  ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3))
[  415.425235][   T70]  ? fou_exit_net (net/ipv4/fou_core.c:1228)
[  415.425240][   T70]  ops_undo_list (net/core/net_namespace.c:206 net/core/net_namespace.c:253)
[  415.425243][   T70]  ? lockdep_hardirqs_on (kernel/locking/lockdep.c:4488)
[  415.425248][   T70]  ? netns_install (./include/linux/ns_common.h:26)
[  415.425249][   T70]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554)
[  415.425253][   T70]  ? idr_destroy (lib/radix-tree.c:310 lib/radix-tree.c:674 lib/radix-tree.c:1563)
[  415.425258][   T70]  cleanup_net (net/core/net_namespace.c:706)
[  415.425262][   T70]  ? net_passive_dec (./include/linux/llist.h:241)
[  415.425266][   T70]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  415.425268][   T70]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  415.425271][   T70]  process_one_work (kernel/workqueue.c:3387)
[  415.425278][   T70]  ? __queue_delayed_work (kernel/workqueue.c:2622)
[  415.425282][   T70]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2))
[  415.425290][   T70]  worker_thread (kernel/workqueue.c:3470 kernel/workqueue.c:3551)
[  415.425294][   T70]  ? rescuer_thread (./include/linux/list.h:419 (discriminator 3))
[  415.425297][   T70]  ? __kthread_parkme (./include/linux/instrumented.h:82 ./include/asm-generic/bitops/instrumented-non-atomic.h:141 kernel/kthread.c:272)
[  415.425300][   T70]  ? rescuer_thread (./include/linux/list.h:419 (discriminator 3))
[  415.425303][   T70]  ? rescuer_thread (./include/linux/list.h:419 (discriminator 3))
[  415.425305][   T70]  kthread (kernel/kthread.c:436)
[  415.425307][   T70]  ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22))
[  415.425311][   T70]  ? kthread_affine_preferred (kernel/kthread.c:857)
[  415.425314][   T70]  ret_from_fork (arch/x86/kernel/process.c:158)
[  415.425318][   T70]  ? arch_exit_to_user_mode_prepare.isra.0 (arch/x86/entry/vdso/vma.c:80 (discriminator 1))
[  415.425322][   T70]  ? __switch_to (arch/x86/kernel/process_64.c:403 arch/x86/kernel/process_64.c:663)
[  415.425326][   T70]  ? kthread_affine_preferred (kernel/kthread.c:857)
[  415.425329][   T70]  ret_from_fork_asm (arch/x86/entry/entry_64.S:245)
| [  417.146414][T11464] softirqs last disabled at (379190): inet6_fill_ifla6_attrs (net/ipv6/addrconf.c:5883)
| [  417.146416][T11464] Preemption disabled at:
| [  417.146417][T11464] vprintk_emit (kernel/printk/printk.c:2471)
| [  417.146425][T11464] Tainted: [W]=WARN
[  417.146427][T11464] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[  417.146428][T11464] Call Trace:
[  417.146430][T11464]  <TASK>
[  417.146432][T11464]  dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120)
[  417.146438][T11464]  ? vprintk_emit (kernel/printk/printk.c:2471)
[  417.146439][T11464]  __might_resched.cold (kernel/sched/core.c:9234)
[  417.146444][T11464]  ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3))
[  417.146449][T11464]  ? __kmalloc_noprof (./include/linux/sched/mm.h:317 mm/slub.c:4636 mm/slub.c:4974 mm/slub.c:5413 mm/slub.c:5439)
[  417.146454][T11464]  __kmalloc_noprof (./include/linux/sched/mm.h:322 (discriminator 2) mm/slub.c:4636 (discriminator 2) mm/slub.c:4974 (discriminator 2) mm/slub.c:5413 (discriminator 2) mm/slub.c:5439 (discriminator 2))
[  417.146456][T11464]  ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[  417.146462][T11464]  ? do_raw_spin_unlock (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:32 ./include/asm-generic/qspinlock.h:58 kernel/locking/spinlock_debug.c:101 kernel/locking/spinlock_debug.c:141)
[  417.146465][T11464]  alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[  417.146469][T11464]  put_chars (drivers/char/virtio_console.c:1176)
[  417.146472][T11464]  ? __send_to_port (drivers/char/virtio_console.c:654)
[  417.146473][T11464]  ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4116 (discriminator 3) kernel/rcu/tree.c:4108 (discriminator 3))
[  417.146477][T11464]  ? validate_chain (kernel/locking/lockdep.c:3817 (discriminator 2) kernel/locking/lockdep.c:3837 (discriminator 2) kernel/locking/lockdep.c:3892 (discriminator 2))
[  417.146482][T11464]  hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2))
[  417.146490][T11464]  ? hvc_write (drivers/tty/hvc/hvc_console.c:501)
[  417.146493][T11464]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  417.146495][T11464]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  417.146499][T11464]  console_emit_next_record (kernel/printk/printk.c:3183)
[  417.146504][T11464]  ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20)
[  417.146506][T11464]  ? console_flush_one_record (./include/linux/rcupdate.h:314 (discriminator 2) ./include/linux/srcu.h:439 (discriminator 2) kernel/printk/printk.c:291 (discriminator 2) kernel/printk/printk.c:3246 (discriminator 2))
[  417.146509][T11464]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  417.146511][T11464]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  417.146515][T11464]  console_flush_one_record (kernel/printk/printk.c:3268)
[  417.146519][T11464]  ? console_emit_next_record (kernel/printk/printk.c:3150)
[  417.146521][T11464]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[  417.146527][T11464]  console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420)
[  417.146530][T11464]  ? console_flush_one_record (kernel/printk/printk.c:3316)
[  417.146532][T11464]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  417.146533][T11464]  ? 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)
[  417.146537][T11464]  ? __down_trylock_console_sem (kernel/printk/printk.c:334)
[  417.146539][T11464]  ? vprintk_emit (kernel/printk/printk.c:2478)
[  417.146542][T11464]  vprintk_emit (kernel/printk/printk.c:2479)
[  417.146545][T11464]  ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126))
[  417.146548][T11464]  ? net_disable_timestamp (./include/linux/workqueue.h:761)
[  417.146551][T11464]  ? net_generic (./include/linux/rcupdate.h:882 ./include/net/netns/generic.h:48) vxlan
[  417.146559][T11464]  _printk (kernel/printk/printk.c:2504)
[  417.146563][T11464]  ? snapshot_read.cold (user.c:?)
[  417.146567][T11464]  ? netdev_name (./include/linux/netdevice.h:5709 (discriminator 1))
[  417.146571][T11464]  ? __netdev_printk (net/core/dev.c:13148 (discriminator 2))
[  417.146576][T11464]  netdev_info (net/core/dev.c:13195 (discriminator 3))
[  417.146579][T11464]  ? netdev_notice (net/core/dev.c:13194)
[  417.146580][T11464]  ? __netdev_upper_dev_unlink (net/core/dev.c:9094)
[  417.146585][T11464]  ? synchronize_rcu_expedited (kernel/rcu/tree_exp.h:985)
[  417.146591][T11464]  ? 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)
[  417.146599][T11464]  __dev_set_promiscuity.cold (net/core/dev.c:9672 (discriminator 3))
[  417.146603][T11464]  netif_set_promiscuity (net/core/dev.c:9699)
[  417.146607][T11464]  dev_set_promiscuity (net/core/dev_api.c:288)
[  417.146609][T11464]  ? rtnl_is_locked (net/core/rtnetlink.c:169)
[  417.146613][T11464] ovs_netdev_detach_dev (net/openvswitch/vport-netdev.c:174) openvswitch
[  417.146617][T11464]  ? netdev_destroy (net/openvswitch/vport-netdev.c:189) openvswitch
[  417.146621][T11464] netdev_destroy (net/openvswitch/vport-netdev.c:194) openvswitch
[  417.146625][T11464] ovs_vport_cmd_del (net/openvswitch/datapath.c:2505) openvswitch
[  417.146633][T11464]  genl_family_rcv_msg_doit (net/netlink/genetlink.c:1114)
[  417.146637][T11464]  ? genl_family_rcv_msg_attrs_parse.isra.0 (./include/net/netlink.h:785 (discriminator 2))
[  417.146645][T11464]  ? security_capable (security/security.c:660 (discriminator 11))
[  417.146650][T11464]  genl_family_rcv_msg (net/netlink/genetlink.c:1194)
[  417.146654][T11464]  ? genl_family_rcv_msg_dumpit (net/netlink/genetlink.c:1079)
[  417.146656][T11464]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380)
[  417.146659][T11464]  ? ovs_dp_detach_port (./include/linux/list.h:1047 (discriminator 2)) openvswitch
[  417.146663][T11464]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[  417.146669][T11464]  genl_rcv_msg (net/netlink/genetlink.c:1209)
[  417.146673][T11464]  netlink_rcv_skb (net/netlink/af_netlink.c:2556)
[  417.146675][T11464]  ? genl_family_rcv_msg (net/netlink/genetlink.c:1136 (discriminator 2))
[  417.146678][T11464]  ? netlink_ack (./include/linux/skbuff.h:2718)
[  417.146686][T11464]  ? 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))
[  417.146688][T11464]  ? 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))
[  417.146692][T11464]  genl_rcv (net/netlink/genetlink.c:1218)
[  417.146694][T11464]  netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[  417.146698][T11464]  ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[  417.146702][T11464]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[  417.146706][T11464]  netlink_sendmsg (net/netlink/af_netlink.c:1900)
[  417.146710][T11464]  ? netlink_unicast (./include/net/net_namespace.h:422 (discriminator 7))
[  417.146712][T11464]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[  417.146715][T11464]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554)
[  417.146720][T11464]  __sock_sendmsg (net/socket.c:800 (discriminator 4) net/socket.c:815 (discriminator 4))
[  417.146723][T11464]  ? fdget (fs/file.c:1200 fs/file.c:1208)
[  417.146727][T11464]  __sys_sendto (net/socket.c:2281)
[  417.146730][T11464]  ? __ia32_sys_getpeername (net/socket.c:2235)
[  417.146741][T11464]  ? exc_page_fault (arch/x86/mm/fault.c:1483 arch/x86/mm/fault.c:1536)
[  417.146747][T11464]  __x64_sys_sendto (net/socket.c:2288 net/socket.c:2284 net/socket.c:2284)
[  417.146750][T11464]  ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22))
[  417.146753][T11464]  ? lockdep_hardirqs_on (kernel/locking/lockdep.c:4488)
[  417.146755][T11464]  ? do_syscall_64 (arch/x86/entry/syscall_64.c:81 (discriminator 44))
[  417.146758][T11464]  do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84)
[  417.146760][T11464]  ? exc_page_fault (arch/x86/mm/fault.c:1489 (discriminator 3) arch/x86/mm/fault.c:1536 (discriminator 3))
[  417.146762][T11464]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[  417.146764][T11464] RIP: 0033:0x7fc1c9ad8312
[  417.146771][T11464] 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)
[  417.146773][T11464] RSP: 002b:00007ffc5b51fd68 EFLAGS: 00000246 ORIG_RAX: 000000000000002c
[  417.146776][T11464] RAX: ffffffffffffffda RBX: 00007ffc5b51fe98 RCX: 00007fc1c9ad8312
[  417.146777][T11464] RDX: 0000000000000028 RSI: 00007fc1c454d440 RDI: 0000000000000023
[  417.146778][T11464] RBP: 00007ffc5b51fd90 R08: 00007ffc5b51ff10 R09: 000000000000000c
[  417.146779][T11464] R10: 0000000000000000 R11: 0000000000000246 R12: 00007fc1c7945fd0
[  417.146780][T11464] R13: 00007ffc5b51fe98 R14: 00007fc1c93f701a R15: 00007ffc5b520288
| [  420.884586][T11584] softirqs last disabled at (378990): __alloc_skb (./include/linux/bottom_half.h:20 (discriminator 2) net/core/skbuff.c:697 (discriminator 2))
| [  420.884589][T11584] Preemption disabled at:
| [  420.884590][T11584] vprintk_emit (kernel/printk/printk.c:2471)
| [  420.884598][T11584] Tainted: [W]=WARN
[  420.884606][T11584] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[  420.884608][T11584] Call Trace:
[  420.884609][T11584]  <TASK>
[  420.884611][T11584]  dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120)
[  420.884617][T11584]  ? vprintk_emit (kernel/printk/printk.c:2471)
[  420.884619][T11584]  __might_resched.cold (kernel/sched/core.c:9234)
[  420.884623][T11584]  ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3))
[  420.884628][T11584]  ? __kmalloc_noprof (./include/linux/sched/mm.h:317 mm/slub.c:4636 mm/slub.c:4974 mm/slub.c:5413 mm/slub.c:5439)
[  420.884632][T11584]  __kmalloc_noprof (./include/linux/sched/mm.h:322 (discriminator 2) mm/slub.c:4636 (discriminator 2) mm/slub.c:4974 (discriminator 2) mm/slub.c:5413 (discriminator 2) mm/slub.c:5439 (discriminator 2))
[  420.884634][T11584]  ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[  420.884640][T11584]  ? do_raw_spin_unlock (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:32 ./include/asm-generic/qspinlock.h:58 kernel/locking/spinlock_debug.c:101 kernel/locking/spinlock_debug.c:141)
[  420.884643][T11584]  alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[  420.884647][T11584]  put_chars (drivers/char/virtio_console.c:1176)
[  420.884649][T11584]  ? __send_to_port (drivers/char/virtio_console.c:654)
[  420.884652][T11584]  ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4116 (discriminator 3) kernel/rcu/tree.c:4108 (discriminator 3))
[  420.884655][T11584]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380)
[  420.884658][T11584]  ? validate_chain (kernel/locking/lockdep.c:3817 (discriminator 2) kernel/locking/lockdep.c:3837 (discriminator 2) kernel/locking/lockdep.c:3892 (discriminator 2))
[  420.884662][T11584]  hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2))
[  420.884667][T11584]  ? mark_usage (kernel/locking/lockdep.c:4690)
[  420.884669][T11584]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[  420.884670][T11584]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[  420.884675][T11584]  ? hvc_write (drivers/tty/hvc/hvc_console.c:501)
[  420.884677][T11584]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2))
[  420.884681][T11584]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  420.884685][T11584]  console_emit_next_record (kernel/printk/printk.c:3183)
[  420.884689][T11584]  ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20)
[  420.884692][T11584]  ? console_flush_one_record (./include/linux/rcupdate.h:314 (discriminator 2) ./include/linux/srcu.h:439 (discriminator 2) kernel/printk/printk.c:291 (discriminator 2) kernel/printk/printk.c:3246 (discriminator 2))
[  420.884695][T11584]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  420.884697][T11584]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  420.884701][T11584]  console_flush_one_record (kernel/printk/printk.c:3268)
[  420.884705][T11584]  ? console_emit_next_record (kernel/printk/printk.c:3150)
[  420.884707][T11584]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[  420.884713][T11584]  console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420)
[  420.884716][T11584]  ? console_flush_one_record (kernel/printk/printk.c:3316)
[  420.884718][T11584]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  420.884720][T11584]  ? 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)
[  420.884723][T11584]  ? __down_trylock_console_sem (kernel/printk/printk.c:334)
[  420.884725][T11584]  ? vprintk_emit (kernel/printk/printk.c:2478)
[  420.884728][T11584]  vprintk_emit (kernel/printk/printk.c:2479)
[  420.884731][T11584]  ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126))
[  420.884733][T11584]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554)
[  420.884735][T11584]  ? genl_family_rcv_msg (net/netlink/genetlink.c:1194)
[  420.884740][T11584]  _printk (kernel/printk/printk.c:2504)
[  420.884744][T11584]  ? snapshot_read.cold (user.c:?)
[  420.884746][T11584]  ? ___ratelimit (lib/ratelimit.c:97 (discriminator 3))
[  420.884752][T11584]  ? idr_get_free (??:?)
[  420.884756][T11584]  validate_nla.cold (lib/nlattr.c:414 (discriminator 4))
[  420.884765][T11584]  ? nla_get_range_signed (lib/nlattr.c:270)
[  420.884774][T11584]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  420.884776][T11584]  ? trace_kmalloc (./include/trace/events/kmem.h:57 (discriminator 22))
[  420.884780][T11584]  __nla_validate_parse (lib/nlattr.c:635)
[  420.884786][T11584]  __nla_parse (lib/nlattr.c:732)
[  420.884789][T11584]  genl_family_rcv_msg_attrs_parse.isra.0 (./include/net/netlink.h:789 (discriminator 2) net/netlink/genetlink.c:944 (discriminator 2))
[  420.884793][T11584]  genl_family_rcv_msg_doit (net/netlink/genetlink.c:1092)
[  420.884797][T11584]  ? genl_family_rcv_msg_attrs_parse.isra.0 (./include/net/netlink.h:785 (discriminator 2))
[  420.884805][T11584]  ? security_capable (security/security.c:660 (discriminator 11))
[  420.884810][T11584]  genl_family_rcv_msg (net/netlink/genetlink.c:1194)
[  420.884814][T11584]  ? genl_family_rcv_msg_dumpit (net/netlink/genetlink.c:1079)
[  420.884816][T11584]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380)
[  420.884819][T11584]  ? ovs_dp_cmd_get (./include/net/net_namespace.h:422 (discriminator 7)) openvswitch
[  420.884827][T11584]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[  420.884833][T11584]  genl_rcv_msg (net/netlink/genetlink.c:1209)
[  420.884836][T11584]  netlink_rcv_skb (net/netlink/af_netlink.c:2556)
[  420.884838][T11584]  ? genl_family_rcv_msg (net/netlink/genetlink.c:1136 (discriminator 2))
[  420.884842][T11584]  ? netlink_ack (./include/linux/skbuff.h:2718)
[  420.884849][T11584]  ? 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))
[  420.884851][T11584]  ? 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))
[  420.884856][T11584]  genl_rcv (net/netlink/genetlink.c:1218)
[  420.884858][T11584]  netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[  420.884862][T11584]  ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[  420.884866][T11584]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[  420.884869][T11584]  netlink_sendmsg (net/netlink/af_netlink.c:1900)
[  420.884874][T11584]  ? netlink_unicast (./include/net/net_namespace.h:422 (discriminator 7))
[  420.884875][T11584]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[  420.884879][T11584]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554)
[  420.884884][T11584]  __sock_sendmsg (net/socket.c:800 (discriminator 4) net/socket.c:815 (discriminator 4))
[  420.884886][T11584]  ? fdget (fs/file.c:1200 fs/file.c:1208)
[  420.884890][T11584]  __sys_sendto (net/socket.c:2281)
[  420.884894][T11584]  ? __ia32_sys_getpeername (net/socket.c:2235)
[  420.884904][T11584]  ? fput_close_sync (fs/file_table.c:617)
[  420.884908][T11584]  ? alloc_file_clone (fs/file_table.c:479)
[  420.884912][T11584]  __x64_sys_sendto (net/socket.c:2288 net/socket.c:2284 net/socket.c:2284)
[  420.884914][T11584]  ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22))
[  420.884918][T11584]  ? lockdep_hardirqs_on (kernel/locking/lockdep.c:4488)
[  420.884921][T11584]  ? do_syscall_64 (arch/x86/entry/syscall_64.c:81 (discriminator 44))
[  420.884924][T11584]  do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84)
[  420.884926][T11584]  ? exc_page_fault (arch/x86/mm/fault.c:1489 (discriminator 3) arch/x86/mm/fault.c:1536 (discriminator 3))
[  420.884928][T11584]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[  420.884931][T11584] RIP: 0033:0x7fddb62cc312
[  420.884934][T11584] 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)
[  420.884936][T11584] RSP: 002b:00007fffe09954a8 EFLAGS: 00000246 ORIG_RAX: 000000000000002c
[  420.884939][T11584] RAX: ffffffffffffffda RBX: 00007fffe09955d8 RCX: 00007fddb62cc312
[  420.884940][T11584] RDX: 0000000000000044 RSI: 00007fddb3fe7190 RDI: 0000000000000020
[  420.884941][T11584] RBP: 00007fffe09954d0 R08: 00007fffe0995650 R09: 000000000000000c
[  420.884942][T11584] R10: 0000000000000000 R11: 0000000000000246 R12: 00007fddb413a120
[  420.884943][T11584] R13: 00007fffe09955d8 R14: 00007fddb5beb01a R15: 00007fffe09959c8
| [  421.980662][T11616] softirqs last disabled at (391538): inet6_fill_ifla6_attrs (net/ipv6/addrconf.c:5883)
| [  421.980664][T11616] Preemption disabled at:
| [  421.980664][T11616] vprintk_emit (kernel/printk/printk.c:2471)
| [  421.980673][T11616] Tainted: [W]=WARN
[  421.980674][T11616] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[  421.980675][T11616] Call Trace:
[  421.980677][T11616]  <TASK>
[  421.980679][T11616]  dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120)
[  421.980685][T11616]  ? vprintk_emit (kernel/printk/printk.c:2471)
[  421.980687][T11616]  __might_resched.cold (kernel/sched/core.c:9234)
[  421.980692][T11616]  ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3))
[  421.980696][T11616]  ? __kmalloc_noprof (./include/linux/sched/mm.h:317 mm/slub.c:4636 mm/slub.c:4974 mm/slub.c:5413 mm/slub.c:5439)
[  421.980700][T11616]  __kmalloc_noprof (./include/linux/sched/mm.h:322 (discriminator 2) mm/slub.c:4636 (discriminator 2) mm/slub.c:4974 (discriminator 2) mm/slub.c:5413 (discriminator 2) mm/slub.c:5439 (discriminator 2))
[  421.980702][T11616]  ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[  421.980709][T11616]  ? do_raw_spin_unlock (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:32 ./include/asm-generic/qspinlock.h:58 kernel/locking/spinlock_debug.c:101 kernel/locking/spinlock_debug.c:141)
[  421.980712][T11616]  alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[  421.980716][T11616]  put_chars (drivers/char/virtio_console.c:1176)
[  421.980719][T11616]  ? __send_to_port (drivers/char/virtio_console.c:654)
[  421.980722][T11616]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380)
[  421.980725][T11616]  ? validate_chain (kernel/locking/lockdep.c:3817 (discriminator 2) kernel/locking/lockdep.c:3837 (discriminator 2) kernel/locking/lockdep.c:3892 (discriminator 2))
[  421.980730][T11616]  hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2))
[  421.980734][T11616]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[  421.980736][T11616]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[  421.980741][T11616]  ? hvc_write (drivers/tty/hvc/hvc_console.c:501)
[  421.980744][T11616]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  421.980747][T11616]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  421.980751][T11616]  console_emit_next_record (kernel/printk/printk.c:3183)
[  421.980755][T11616]  ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20)
[  421.980757][T11616]  ? console_flush_one_record (./include/linux/rcupdate.h:314 (discriminator 2) ./include/linux/srcu.h:439 (discriminator 2) kernel/printk/printk.c:291 (discriminator 2) kernel/printk/printk.c:3246 (discriminator 2))
[  421.980760][T11616]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  421.980762][T11616]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  421.980766][T11616]  console_flush_one_record (kernel/printk/printk.c:3268)
[  421.980774][T11616]  ? console_emit_next_record (kernel/printk/printk.c:3150)
[  421.980776][T11616]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[  421.980781][T11616]  console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420)
[  421.980784][T11616]  ? console_flush_one_record (kernel/printk/printk.c:3316)
[  421.980786][T11616]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  421.980788][T11616]  ? 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)
[  421.980792][T11616]  ? __down_trylock_console_sem (kernel/printk/printk.c:334)
[  421.980794][T11616]  ? vprintk_emit (kernel/printk/printk.c:2478)
[  421.980797][T11616]  vprintk_emit (kernel/printk/printk.c:2479)
[  421.980800][T11616]  ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126))
[  421.980806][T11616]  _printk (kernel/printk/printk.c:2504)
[  421.980809][T11616]  ? snapshot_read.cold (user.c:?)
[  421.980812][T11616]  ? lockdep_rtnl_is_held (./include/linux/lockdep.h:249 net/core/rtnetlink.c:182)
[  421.980815][T11616]  ? netdev_upper_get_next_dev_rcu (net/core/dev.c:8213 (discriminator 5))
[  421.980820][T11616]  ? __netdev_update_features (net/core/dev.c:11078 (discriminator 2))
[  421.980821][T11616]  ? netdev_name (./include/linux/netdevice.h:5709 (discriminator 1))
[  421.980825][T11616]  ? __netdev_printk (net/core/dev.c:13148 (discriminator 2))
[  421.980829][T11616]  netdev_info (net/core/dev.c:13195 (discriminator 3))
[  421.980832][T11616]  ? netdev_notice (net/core/dev.c:13194)
[  421.980834][T11616]  ? ovs_netdev_link (net/openvswitch/vport-netdev.c:85) openvswitch
[  421.980843][T11616]  ? 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)
[  421.980846][T11616]  __dev_set_promiscuity.cold (net/core/dev.c:9672 (discriminator 3))
[  421.980850][T11616]  netif_set_promiscuity (net/core/dev.c:9699)
[  421.980854][T11616]  dev_set_promiscuity (net/core/dev_api.c:288)
[  421.980856][T11616]  ? dev_disable_lro (net/core/dev_api.c:267)
[  421.980858][T11616] ovs_netdev_link (net/openvswitch/vport-netdev.c:106) openvswitch
[  421.980863][T11616] ovs_vport_add (net/openvswitch/vport.c:209) openvswitch
[  421.980868][T11616] new_vport (net/openvswitch/datapath.c:203) openvswitch
[  421.980872][T11616]  ? ovs_lookup_vport (./include/linux/lockdep.h:249 net/openvswitch/datapath.c:120 net/openvswitch/datapath.c:117 net/openvswitch/datapath.c:190) openvswitch
[  421.980877][T11616] ovs_vport_cmd_new (net/openvswitch/datapath.c:2389) openvswitch
[  421.980883][T11616]  ? ovs_vport_cmd_fill_info.isra.0 (./include/net/netlink.h:1107 (discriminator 1)) openvswitch
[  421.980886][T11616]  ? __nla_validate_parse (lib/nlattr.c:635)
[  421.980893][T11616]  ? __nla_parse (lib/nlattr.c:732)
[  421.980895][T11616]  ? genl_family_rcv_msg_attrs_parse.isra.0 (./include/net/netlink.h:789 (discriminator 2) net/netlink/genetlink.c:944 (discriminator 2))
[  421.980900][T11616]  genl_family_rcv_msg_doit (net/netlink/genetlink.c:1114)
[  421.980904][T11616]  ? genl_family_rcv_msg_attrs_parse.isra.0 (./include/net/netlink.h:785 (discriminator 2))
[  421.980912][T11616]  ? security_capable (security/security.c:660 (discriminator 11))
[  421.980917][T11616]  genl_family_rcv_msg (net/netlink/genetlink.c:1194)
[  421.980921][T11616]  ? genl_family_rcv_msg_dumpit (net/netlink/genetlink.c:1079)
[  421.980923][T11616]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380)
[  421.980925][T11616]  ? ovs_vport_cmd_fill_info.isra.0 (./include/net/netlink.h:1107 (discriminator 1)) openvswitch
[  421.980930][T11616]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[  421.980936][T11616]  genl_rcv_msg (net/netlink/genetlink.c:1209)
[  421.980939][T11616]  netlink_rcv_skb (net/netlink/af_netlink.c:2556)
[  421.980941][T11616]  ? genl_family_rcv_msg (net/netlink/genetlink.c:1136 (discriminator 2))
[  421.980945][T11616]  ? netlink_ack (./include/linux/skbuff.h:2718)
[  421.980952][T11616]  ? 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))
[  421.980954][T11616]  ? 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))
[  421.980958][T11616]  genl_rcv (net/netlink/genetlink.c:1218)
[  421.980960][T11616]  netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[  421.980964][T11616]  ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[  421.980968][T11616]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[  421.980972][T11616]  netlink_sendmsg (net/netlink/af_netlink.c:1900)
[  421.980976][T11616]  ? netlink_unicast (./include/net/net_namespace.h:422 (discriminator 7))
[  421.980978][T11616]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[  421.980981][T11616]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554)
[  421.980986][T11616]  __sock_sendmsg (net/socket.c:800 (discriminator 4) net/socket.c:815 (discriminator 4))
[  421.980989][T11616]  ? fdget (fs/file.c:1200 fs/file.c:1208)
[  421.980993][T11616]  __sys_sendto (net/socket.c:2281)
[  421.980996][T11616]  ? __ia32_sys_getpeername (net/socket.c:2235)
[  421.981007][T11616]  ? exc_page_fault (arch/x86/mm/fault.c:1483 arch/x86/mm/fault.c:1536)
[  421.981013][T11616]  __x64_sys_sendto (net/socket.c:2288 net/socket.c:2284 net/socket.c:2284)
[  421.981016][T11616]  ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22))
[  421.981020][T11616]  ? lockdep_hardirqs_on (kernel/locking/lockdep.c:4488)
[  421.981021][T11616]  ? do_syscall_64 (arch/x86/entry/syscall_64.c:81 (discriminator 44))
[  421.981024][T11616]  do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84)
[  421.981026][T11616]  ? exc_page_fault (arch/x86/mm/fault.c:1489 (discriminator 3) arch/x86/mm/fault.c:1536 (discriminator 3))
[  421.981028][T11616]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[  421.981030][T11616] RIP: 0033:0x7fc130366312
[  421.981034][T11616] 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)
[  421.981036][T11616] RSP: 002b:00007ffce0d4f638 EFLAGS: 00000246 ORIG_RAX: 000000000000002c
[  421.981039][T11616] RAX: ffffffffffffffda RBX: 00007ffce0d4f768 RCX: 00007fc130366312
[  421.981040][T11616] RDX: 0000000000000038 RSI: 00007fc12c7c1230 RDI: 0000000000000023
[  421.981041][T11616] RBP: 00007ffce0d4f660 R08: 00007ffce0d4f7e0 R09: 000000000000000c
[  421.981042][T11616] R10: 0000000000000000 R11: 0000000000000246 R12: 00007fc12e1ca190
[  421.981043][T11616] R13: 00007ffce0d4f768 R14: 00007fc12fc8501a R15: 00007ffce0d4fb58
| [  431.159929][   T70] softirqs last disabled at (10151979): __irq_exit_rcu (kernel/softirq.c:679 kernel/softirq.c:519 kernel/softirq.c:767)
| [  431.159932][   T70] Preemption disabled at:
| [  431.159932][   T70] vprintk_emit (kernel/printk/printk.c:2471)
| [  431.159940][   T70] Tainted: [W]=WARN
[  431.159941][   T70] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[  431.159943][   T70] Workqueue: netns cleanup_net
[  431.159947][   T70] Call Trace:
[  431.159948][   T70]  <TASK>
[  431.159950][   T70]  dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120)
[  431.159956][   T70]  ? vprintk_emit (kernel/printk/printk.c:2471)
[  431.159958][   T70]  __might_resched.cold (kernel/sched/core.c:9234)
[  431.159963][   T70]  ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3))
[  431.159967][   T70]  ? __kmalloc_noprof (./include/linux/sched/mm.h:317 mm/slub.c:4636 mm/slub.c:4974 mm/slub.c:5413 mm/slub.c:5439)
[  431.159971][   T70]  __kmalloc_noprof (./include/linux/sched/mm.h:322 (discriminator 2) mm/slub.c:4636 (discriminator 2) mm/slub.c:4974 (discriminator 2) mm/slub.c:5413 (discriminator 2) mm/slub.c:5439 (discriminator 2))
[  431.159973][   T70]  ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[  431.159980][   T70]  ? do_raw_spin_unlock (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:32 ./include/asm-generic/qspinlock.h:58 kernel/locking/spinlock_debug.c:101 kernel/locking/spinlock_debug.c:141)
[  431.159982][   T70]  alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[  431.159986][   T70]  put_chars (drivers/char/virtio_console.c:1176)
[  431.159988][   T70]  ? prb_final_commit (kernel/printk/printk_ringbuffer.c:1842)
[  431.159990][   T70]  ? __send_to_port (drivers/char/virtio_console.c:654)
[  431.159993][   T70]  ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4116 (discriminator 3) kernel/rcu/tree.c:4108 (discriminator 3))
[  431.159996][   T70]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380)
[  431.159999][   T70]  ? validate_chain (kernel/locking/lockdep.c:3817 (discriminator 2) kernel/locking/lockdep.c:3837 (discriminator 2) kernel/locking/lockdep.c:3892 (discriminator 2))
[  431.160003][   T70]  hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2))
[  431.160007][   T70]  ? mark_usage (kernel/locking/lockdep.c:4690)
[  431.160009][   T70]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[  431.160011][   T70]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[  431.160015][   T70]  ? hvc_write (drivers/tty/hvc/hvc_console.c:501)
[  431.160018][   T70]  ? console_emit_next_record (kernel/printk/printk.c:3095 (discriminator 2) kernel/printk/printk.c:3182 (discriminator 2))
[  431.160021][   T70]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  431.160023][   T70]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  431.160027][   T70]  console_emit_next_record (kernel/printk/printk.c:3183)
[  431.160031][   T70]  ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20)
[  431.160033][   T70]  ? console_flush_one_record (./include/linux/rcupdate.h:314 (discriminator 2) ./include/linux/srcu.h:439 (discriminator 2) kernel/printk/printk.c:291 (discriminator 2) kernel/printk/printk.c:3246 (discriminator 2))
[  431.160037][   T70]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  431.160038][   T70]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  431.160043][   T70]  console_flush_one_record (kernel/printk/printk.c:3268)
[  431.160047][   T70]  ? console_emit_next_record (kernel/printk/printk.c:3150)
[  431.160049][   T70]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[  431.160054][   T70]  console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420)
[  431.160057][   T70]  ? console_flush_one_record (kernel/printk/printk.c:3316)
[  431.160059][   T70]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  431.160061][   T70]  ? 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)
[  431.160065][   T70]  ? __down_trylock_console_sem (kernel/printk/printk.c:334)
[  431.160067][   T70]  ? vprintk_emit (kernel/printk/printk.c:2478)
[  431.160069][   T70]  vprintk_emit (kernel/printk/printk.c:2479)
[  431.160073][   T70]  ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126))
[  431.160075][   T70]  ? net_disable_timestamp (./include/linux/workqueue.h:761)
[  431.160078][   T70]  ? net_generic (./include/linux/rcupdate.h:882 ./include/net/netns/generic.h:48) vxlan
[  431.160086][   T70]  _printk (kernel/printk/printk.c:2504)
[  431.160091][   T70]  ? snapshot_read.cold (user.c:?)
[  431.160095][   T70]  ? netdev_name (./include/linux/netdevice.h:5709 (discriminator 1))
[  431.160099][   T70]  ? __netdev_printk (net/core/dev.c:13148 (discriminator 2))
[  431.160103][   T70]  netdev_info (net/core/dev.c:13195 (discriminator 3))
[  431.160106][   T70]  ? netdev_notice (net/core/dev.c:13194)
[  431.160107][   T70]  ? __netdev_upper_dev_unlink (net/core/dev.c:9094)
[  431.160112][   T70]  ? synchronize_rcu_expedited (kernel/rcu/tree_exp.h:985)
[  431.160117][   T70]  ? 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)
[  431.160120][   T70]  __dev_set_promiscuity.cold (net/core/dev.c:9672 (discriminator 3))
[  431.160124][   T70]  netif_set_promiscuity (net/core/dev.c:9699)
[  431.160127][   T70]  dev_set_promiscuity (net/core/dev_api.c:288)
[  431.160129][   T70]  ? rtnl_is_locked (net/core/rtnetlink.c:169)
[  431.160133][   T70] ovs_netdev_detach_dev (net/openvswitch/vport-netdev.c:174) openvswitch
[  431.160140][   T70] dp_device_event (net/openvswitch/dp_notify.c:74) openvswitch
[  431.160145][   T70]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  431.160147][   T70]  notifier_call_chain (kernel/notifier.c:85)
[  431.160153][   T70]  unregister_netdevice_many_notify (net/core/dev.c:2313 net/core/dev.c:2327 net/core/dev.c:12518)
[  431.160158][   T70]  ? unregister_netdevice_queued (./include/linux/list.h:419 (discriminator 3))
[  431.160165][   T70]  default_device_exit_batch (net/core/dev.c:12589 net/core/dev.c:13288)
[  431.160169][   T70]  ? unregister_netdevice_queue (./include/linux/list.h:173)
[  431.160171][   T70]  ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3))
[  431.160174][   T70]  ? fou_exit_net (net/ipv4/fou_core.c:1228)
[  431.160179][   T70]  ops_undo_list (net/core/net_namespace.c:206 net/core/net_namespace.c:253)
[  431.160183][   T70]  ? lockdep_hardirqs_on (kernel/locking/lockdep.c:4488)
[  431.160186][   T70]  ? netns_install (./include/linux/ns_common.h:26)
[  431.160188][   T70]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554)
[  431.160191][   T70]  ? idr_destroy (lib/radix-tree.c:310 lib/radix-tree.c:674 lib/radix-tree.c:1563)
[  431.160196][   T70]  cleanup_net (net/core/net_namespace.c:706)
[  431.160199][   T70]  ? net_passive_dec (./include/linux/llist.h:241)
[  431.160203][   T70]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  431.160205][   T70]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  431.160208][   T70]  process_one_work (kernel/workqueue.c:3387)
[  431.160215][   T70]  ? __queue_delayed_work (kernel/workqueue.c:2622)
[  431.160218][   T70]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2))
[  431.160226][   T70]  worker_thread (kernel/workqueue.c:3470 kernel/workqueue.c:3551)
[  431.160230][   T70]  ? rescuer_thread (./include/linux/list.h:419 (discriminator 3))
[  431.160233][   T70]  ? __kthread_parkme (./include/linux/instrumented.h:82 ./include/asm-generic/bitops/instrumented-non-atomic.h:141 kernel/kthread.c:272)
[  431.160235][   T70]  ? rescuer_thread (./include/linux/list.h:419 (discriminator 3))
[  431.160238][   T70]  ? rescuer_thread (./include/linux/list.h:419 (discriminator 3))
[  431.160240][   T70]  kthread (kernel/kthread.c:436)
[  431.160242][   T70]  ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22))
[  431.160246][   T70]  ? kthread_affine_preferred (kernel/kthread.c:857)
[  431.160249][   T70]  ret_from_fork (arch/x86/kernel/process.c:158)
[  431.160253][   T70]  ? arch_exit_to_user_mode_prepare.isra.0 (arch/x86/entry/vdso/vma.c:80 (discriminator 1))
[  431.160256][   T70]  ? __switch_to (arch/x86/kernel/process_64.c:403 arch/x86/kernel/process_64.c:663)
[  431.160260][   T70]  ? kthread_affine_preferred (kernel/kthread.c:857)
[  431.160263][   T70]  ret_from_fork_asm (arch/x86/entry/entry_64.S:245)
| [  432.847492][T11856] softirqs last disabled at (387410): inet6_fill_ifla6_attrs (net/ipv6/addrconf.c:5883)
| [  432.847494][T11856] Preemption disabled at:
| [  432.847494][T11856] vprintk_emit (kernel/printk/printk.c:2471)
| [  432.847504][T11856] Tainted: [W]=WARN
[  432.847505][T11856] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[  432.847506][T11856] Call Trace:
[  432.847508][T11856]  <TASK>
[  432.847510][T11856]  dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120)
[  432.847516][T11856]  ? vprintk_emit (kernel/printk/printk.c:2471)
[  432.847517][T11856]  __might_resched.cold (kernel/sched/core.c:9234)
[  432.847522][T11856]  ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3))
[  432.847527][T11856]  ? __kmalloc_noprof (./include/linux/sched/mm.h:317 mm/slub.c:4636 mm/slub.c:4974 mm/slub.c:5413 mm/slub.c:5439)
[  432.847531][T11856]  __kmalloc_noprof (./include/linux/sched/mm.h:322 (discriminator 2) mm/slub.c:4636 (discriminator 2) mm/slub.c:4974 (discriminator 2) mm/slub.c:5413 (discriminator 2) mm/slub.c:5439 (discriminator 2))
[  432.847533][T11856]  ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[  432.847540][T11856]  ? do_raw_spin_unlock (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:32 ./include/asm-generic/qspinlock.h:58 kernel/locking/spinlock_debug.c:101 kernel/locking/spinlock_debug.c:141)
[  432.847543][T11856]  alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[  432.847547][T11856]  put_chars (drivers/char/virtio_console.c:1176)
[  432.847550][T11856]  ? __send_to_port (drivers/char/virtio_console.c:654)
[  432.847551][T11856]  ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4116 (discriminator 3) kernel/rcu/tree.c:4108 (discriminator 3))
[  432.847555][T11856]  ? validate_chain (kernel/locking/lockdep.c:3817 (discriminator 2) kernel/locking/lockdep.c:3837 (discriminator 2) kernel/locking/lockdep.c:3892 (discriminator 2))
[  432.847560][T11856]  hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2))
[  432.847568][T11856]  ? hvc_write (drivers/tty/hvc/hvc_console.c:501)
[  432.847571][T11856]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  432.847573][T11856]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  432.847578][T11856]  console_emit_next_record (kernel/printk/printk.c:3183)
[  432.847582][T11856]  ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20)
[  432.847584][T11856]  ? console_flush_one_record (./include/linux/rcupdate.h:314 (discriminator 2) ./include/linux/srcu.h:439 (discriminator 2) kernel/printk/printk.c:291 (discriminator 2) kernel/printk/printk.c:3246 (discriminator 2))
[  432.847588][T11856]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  432.847589][T11856]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  432.847594][T11856]  console_flush_one_record (kernel/printk/printk.c:3268)
[  432.847598][T11856]  ? console_emit_next_record (kernel/printk/printk.c:3150)
[  432.847600][T11856]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[  432.847606][T11856]  console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420)
[  432.847609][T11856]  ? console_flush_one_record (kernel/printk/printk.c:3316)
[  432.847611][T11856]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  432.847613][T11856]  ? 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)
[  432.847617][T11856]  ? __down_trylock_console_sem (kernel/printk/printk.c:334)
[  432.847619][T11856]  ? vprintk_emit (kernel/printk/printk.c:2478)
[  432.847627][T11856]  vprintk_emit (kernel/printk/printk.c:2479)
[  432.847631][T11856]  ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126))
[  432.847633][T11856]  ? net_disable_timestamp (./include/linux/workqueue.h:761)
[  432.847637][T11856]  ? net_generic (./include/linux/rcupdate.h:882 ./include/net/netns/generic.h:48) vxlan
[  432.847644][T11856]  _printk (kernel/printk/printk.c:2504)
[  432.847648][T11856]  ? snapshot_read.cold (user.c:?)
[  432.847653][T11856]  ? netdev_name (./include/linux/netdevice.h:5709 (discriminator 1))
[  432.847656][T11856]  ? __netdev_printk (net/core/dev.c:13148 (discriminator 2))
[  432.847660][T11856]  netdev_info (net/core/dev.c:13195 (discriminator 3))
[  432.847663][T11856]  ? netdev_notice (net/core/dev.c:13194)
[  432.847665][T11856]  ? __netdev_upper_dev_unlink (net/core/dev.c:9094)
[  432.847670][T11856]  ? synchronize_rcu_expedited (kernel/rcu/tree_exp.h:985)
[  432.847675][T11856]  ? 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)
[  432.847678][T11856]  __dev_set_promiscuity.cold (net/core/dev.c:9672 (discriminator 3))
[  432.847682][T11856]  netif_set_promiscuity (net/core/dev.c:9699)
[  432.847686][T11856]  dev_set_promiscuity (net/core/dev_api.c:288)
[  432.847688][T11856]  ? rtnl_is_locked (net/core/rtnetlink.c:169)
[  432.847691][T11856] ovs_netdev_detach_dev (net/openvswitch/vport-netdev.c:174) openvswitch
[  432.847696][T11856]  ? netdev_destroy (net/openvswitch/vport-netdev.c:189) openvswitch
[  432.847699][T11856] netdev_destroy (net/openvswitch/vport-netdev.c:194) openvswitch
[  432.847704][T11856] ovs_vport_cmd_del (net/openvswitch/datapath.c:2505) openvswitch
[  432.847712][T11856]  genl_family_rcv_msg_doit (net/netlink/genetlink.c:1114)
[  432.847716][T11856]  ? genl_family_rcv_msg_attrs_parse.isra.0 (./include/net/netlink.h:785 (discriminator 2))
[  432.847725][T11856]  ? security_capable (security/security.c:660 (discriminator 11))
[  432.847730][T11856]  genl_family_rcv_msg (net/netlink/genetlink.c:1194)
[  432.847734][T11856]  ? genl_family_rcv_msg_dumpit (net/netlink/genetlink.c:1079)
[  432.847736][T11856]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380)
[  432.847739][T11856]  ? ovs_dp_detach_port (./include/linux/list.h:1047 (discriminator 2)) openvswitch
[  432.847744][T11856]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[  432.847750][T11856]  genl_rcv_msg (net/netlink/genetlink.c:1209)
[  432.847753][T11856]  netlink_rcv_skb (net/netlink/af_netlink.c:2556)
[  432.847755][T11856]  ? genl_family_rcv_msg (net/netlink/genetlink.c:1136 (discriminator 2))
[  432.847759][T11856]  ? netlink_ack (./include/linux/skbuff.h:2718)
[  432.847766][T11856]  ? 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))
[  432.847771][T11856]  ? 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))
[  432.847776][T11856]  genl_rcv (net/netlink/genetlink.c:1218)
[  432.847778][T11856]  netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[  432.847783][T11856]  ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[  432.847787][T11856]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[  432.847790][T11856]  netlink_sendmsg (net/netlink/af_netlink.c:1900)
[  432.847795][T11856]  ? netlink_unicast (./include/net/net_namespace.h:422 (discriminator 7))
[  432.847797][T11856]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[  432.847800][T11856]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554)
[  432.847805][T11856]  __sock_sendmsg (net/socket.c:800 (discriminator 4) net/socket.c:815 (discriminator 4))
[  432.847808][T11856]  ? fdget (fs/file.c:1200 fs/file.c:1208)
[  432.847812][T11856]  __sys_sendto (net/socket.c:2281)
[  432.847815][T11856]  ? __ia32_sys_getpeername (net/socket.c:2235)
[  432.847827][T11856]  ? exc_page_fault (arch/x86/mm/fault.c:1483 arch/x86/mm/fault.c:1536)
[  432.847833][T11856]  __x64_sys_sendto (net/socket.c:2288 net/socket.c:2284 net/socket.c:2284)
[  432.847836][T11856]  ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22))
[  432.847839][T11856]  ? lockdep_hardirqs_on (kernel/locking/lockdep.c:4488)
[  432.847841][T11856]  ? do_syscall_64 (arch/x86/entry/syscall_64.c:81 (discriminator 44))
[  432.847844][T11856]  do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84)
[  432.847846][T11856]  ? exc_page_fault (arch/x86/mm/fault.c:1489 (discriminator 3) arch/x86/mm/fault.c:1536 (discriminator 3))
[  432.847848][T11856]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[  432.847851][T11856] RIP: 0033:0x7f144f587312
[  432.847854][T11856] 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)
[  432.847856][T11856] RSP: 002b:00007ffc4a886d38 EFLAGS: 00000246 ORIG_RAX: 000000000000002c
[  432.847859][T11856] RAX: ffffffffffffffda RBX: 00007ffc4a886e68 RCX: 00007f144f587312
[  432.847861][T11856] RDX: 0000000000000028 RSI: 00007f144c1ed3e0 RDI: 0000000000000023
[  432.847862][T11856] RBP: 00007ffc4a886d60 R08: 00007ffc4a886ee0 R09: 000000000000000c
[  432.847863][T11856] R10: 0000000000000000 R11: 0000000000000246 R12: 00007f144d3edfd0
[  432.847864][T11856] R13: 00007ffc4a886e68 R14: 00007f144eea601a R15: 00007ffc4a887258
| [  436.398581][T11964] softirqs last disabled at (381020): __alloc_skb (./include/linux/bottom_half.h:20 (discriminator 2) net/core/skbuff.c:697 (discriminator 2))
| [  436.398584][T11964] Preemption disabled at:
| [  436.398585][T11964] vprintk_emit (kernel/printk/printk.c:2471)
| [  436.398593][T11964] Tainted: [W]=WARN
[  436.398594][T11964] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[  436.398596][T11964] Call Trace:
[  436.398598][T11964]  <TASK>
[  436.398599][T11964]  dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120)
[  436.398605][T11964]  ? vprintk_emit (kernel/printk/printk.c:2471)
[  436.398607][T11964]  __might_resched.cold (kernel/sched/core.c:9234)
[  436.398612][T11964]  ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3))
[  436.398616][T11964]  ? __kmalloc_noprof (./include/linux/sched/mm.h:317 mm/slub.c:4636 mm/slub.c:4974 mm/slub.c:5413 mm/slub.c:5439)
[  436.398620][T11964]  __kmalloc_noprof (./include/linux/sched/mm.h:322 (discriminator 2) mm/slub.c:4636 (discriminator 2) mm/slub.c:4974 (discriminator 2) mm/slub.c:5413 (discriminator 2) mm/slub.c:5439 (discriminator 2))
[  436.398622][T11964]  ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[  436.398636][T11964]  ? do_raw_spin_unlock (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:32 ./include/asm-generic/qspinlock.h:58 kernel/locking/spinlock_debug.c:101 kernel/locking/spinlock_debug.c:141)
[  436.398640][T11964]  alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[  436.398643][T11964]  put_chars (drivers/char/virtio_console.c:1176)
[  436.398646][T11964]  ? __send_to_port (drivers/char/virtio_console.c:654)
[  436.398649][T11964]  ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4116 (discriminator 3) kernel/rcu/tree.c:4108 (discriminator 3))
[  436.398652][T11964]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380)
[  436.398655][T11964]  ? validate_chain (kernel/locking/lockdep.c:3817 (discriminator 2) kernel/locking/lockdep.c:3837 (discriminator 2) kernel/locking/lockdep.c:3892 (discriminator 2))
[  436.398659][T11964]  hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2))
[  436.398663][T11964]  ? mark_usage (kernel/locking/lockdep.c:4690)
[  436.398665][T11964]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[  436.398667][T11964]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[  436.398671][T11964]  ? hvc_write (drivers/tty/hvc/hvc_console.c:501)
[  436.398673][T11964]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2))
[  436.398677][T11964]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  436.398681][T11964]  console_emit_next_record (kernel/printk/printk.c:3183)
[  436.398685][T11964]  ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20)
[  436.398687][T11964]  ? console_flush_one_record (./include/linux/rcupdate.h:314 (discriminator 2) ./include/linux/srcu.h:439 (discriminator 2) kernel/printk/printk.c:291 (discriminator 2) kernel/printk/printk.c:3246 (discriminator 2))
[  436.398691][T11964]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  436.398693][T11964]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  436.398697][T11964]  console_flush_one_record (kernel/printk/printk.c:3268)
[  436.398701][T11964]  ? console_emit_next_record (kernel/printk/printk.c:3150)
[  436.398703][T11964]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[  436.398708][T11964]  console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420)
[  436.398711][T11964]  ? console_flush_one_record (kernel/printk/printk.c:3316)
[  436.398713][T11964]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  436.398715][T11964]  ? 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)
[  436.398719][T11964]  ? __down_trylock_console_sem (kernel/printk/printk.c:334)
[  436.398721][T11964]  ? vprintk_emit (kernel/printk/printk.c:2478)
[  436.398723][T11964]  vprintk_emit (kernel/printk/printk.c:2479)
[  436.398727][T11964]  ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126))
[  436.398729][T11964]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554)
[  436.398730][T11964]  ? genl_family_rcv_msg (net/netlink/genetlink.c:1194)
[  436.398735][T11964]  _printk (kernel/printk/printk.c:2504)
[  436.398739][T11964]  ? snapshot_read.cold (user.c:?)
[  436.398741][T11964]  ? ___ratelimit (lib/ratelimit.c:97 (discriminator 3))
[  436.398747][T11964]  ? idr_get_free (??:?)
[  436.398752][T11964]  validate_nla.cold (lib/nlattr.c:414 (discriminator 4))
[  436.398760][T11964]  ? nla_get_range_signed (lib/nlattr.c:270)
[  436.398771][T11964]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  436.398773][T11964]  ? trace_kmalloc (./include/trace/events/kmem.h:57 (discriminator 22))
[  436.398777][T11964]  __nla_validate_parse (lib/nlattr.c:635)
[  436.398783][T11964]  __nla_parse (lib/nlattr.c:732)
[  436.398785][T11964]  genl_family_rcv_msg_attrs_parse.isra.0 (./include/net/netlink.h:789 (discriminator 2) net/netlink/genetlink.c:944 (discriminator 2))
[  436.398790][T11964]  genl_family_rcv_msg_doit (net/netlink/genetlink.c:1092)
[  436.398794][T11964]  ? genl_family_rcv_msg_attrs_parse.isra.0 (./include/net/netlink.h:785 (discriminator 2))
[  436.398802][T11964]  ? security_capable (security/security.c:660 (discriminator 11))
[  436.398806][T11964]  genl_family_rcv_msg (net/netlink/genetlink.c:1194)
[  436.398810][T11964]  ? genl_family_rcv_msg_dumpit (net/netlink/genetlink.c:1079)
[  436.398813][T11964]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380)
[  436.398816][T11964]  ? ovs_dp_cmd_get (./include/net/net_namespace.h:422 (discriminator 7)) openvswitch
[  436.398824][T11964]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[  436.398829][T11964]  genl_rcv_msg (net/netlink/genetlink.c:1209)
[  436.398833][T11964]  netlink_rcv_skb (net/netlink/af_netlink.c:2556)
[  436.398835][T11964]  ? genl_family_rcv_msg (net/netlink/genetlink.c:1136 (discriminator 2))
[  436.398838][T11964]  ? netlink_ack (./include/linux/skbuff.h:2718)
[  436.398845][T11964]  ? netlink_deliver_tap (./include/linux/rcupdate.h:319 (discriminator 2) ./include/linux/rcupdate.h:880 (discriminator 2) ./include/net/netns/generic.h:48 (discriminator 2) net/netlink/af_netlink.c:334 (discriminator 2))
[  436.398848][T11964]  ? netlink_deliver_tap (./include/linux/rcupdate.h:319 (discriminator 2) ./include/linux/rcupdate.h:880 (discriminator 2) net/netlink/af_netlink.c:341 (discriminator 2))
[  436.398852][T11964]  genl_rcv (net/netlink/genetlink.c:1218)
[  436.398854][T11964]  netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[  436.398858][T11964]  ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[  436.398862][T11964]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[  436.398865][T11964]  netlink_sendmsg (net/netlink/af_netlink.c:1900)
[  436.398869][T11964]  ? netlink_unicast (./include/net/net_namespace.h:422 (discriminator 7))
[  436.398871][T11964]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[  436.398874][T11964]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554)
[  436.398879][T11964]  __sock_sendmsg (net/socket.c:800 (discriminator 4) net/socket.c:815 (discriminator 4))
[  436.398882][T11964]  ? fdget (fs/file.c:1200 fs/file.c:1208)
[  436.398886][T11964]  __sys_sendto (net/socket.c:2281)
[  436.398889][T11964]  ? __ia32_sys_getpeername (net/socket.c:2235)
[  436.398900][T11964]  ? fput_close_sync (fs/file_table.c:617)
[  436.398903][T11964]  ? alloc_file_clone (fs/file_table.c:479)
[  436.398907][T11964]  __x64_sys_sendto (net/socket.c:2288 net/socket.c:2284 net/socket.c:2284)
[  436.398909][T11964]  ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22))
[  436.398913][T11964]  ? lockdep_hardirqs_on (kernel/locking/lockdep.c:4488)
[  436.398916][T11964]  ? do_syscall_64 (arch/x86/entry/syscall_64.c:81 (discriminator 44))
[  436.398919][T11964]  do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84)
[  436.398921][T11964]  ? exc_page_fault (arch/x86/mm/fault.c:1489 (discriminator 3) arch/x86/mm/fault.c:1536 (discriminator 3))
[  436.398923][T11964]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[  436.398926][T11964] RIP: 0033:0x7f0e31940312
[  436.398929][T11964] 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)
[  436.398931][T11964] RSP: 002b:00007fff63d513c8 EFLAGS: 00000246 ORIG_RAX: 000000000000002c
[  436.398934][T11964] RAX: ffffffffffffffda RBX: 00007fff63d514f8 RCX: 00007f0e31940312
[  436.398936][T11964] RDX: 0000000000000044 RSI: 00007f0e2f68edd0 RDI: 0000000000000020
[  436.398937][T11964] RBP: 00007fff63d513f0 R08: 00007fff63d51570 R09: 000000000000000c
[  436.398938][T11964] R10: 0000000000000000 R11: 0000000000000246 R12: 00007f0e2f7aa0b0
[  436.398939][T11964] R13: 00007fff63d514f8 R14: 00007f0e3125f01a R15: 00007fff63d518e8
| [  437.536355][T11994] softirqs last disabled at (384256): inet6_fill_ifla6_attrs (net/ipv6/addrconf.c:5883)
| [  437.536357][T11994] Preemption disabled at:
| [  437.536358][T11994] vprintk_emit (kernel/printk/printk.c:2471)
| [  437.536366][T11994] Tainted: [W]=WARN
[  437.536367][T11994] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[  437.536369][T11994] Call Trace:
[  437.536371][T11994]  <TASK>
[  437.536372][T11994]  dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120)
[  437.536379][T11994]  ? vprintk_emit (kernel/printk/printk.c:2471)
[  437.536380][T11994]  __might_resched.cold (kernel/sched/core.c:9234)
[  437.536385][T11994]  ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3))
[  437.536390][T11994]  ? __kmalloc_noprof (./include/linux/sched/mm.h:317 mm/slub.c:4636 mm/slub.c:4974 mm/slub.c:5413 mm/slub.c:5439)
[  437.536395][T11994]  __kmalloc_noprof (./include/linux/sched/mm.h:322 (discriminator 2) mm/slub.c:4636 (discriminator 2) mm/slub.c:4974 (discriminator 2) mm/slub.c:5413 (discriminator 2) mm/slub.c:5439 (discriminator 2))
[  437.536397][T11994]  ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[  437.536404][T11994]  ? do_raw_spin_unlock (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:32 ./include/asm-generic/qspinlock.h:58 kernel/locking/spinlock_debug.c:101 kernel/locking/spinlock_debug.c:141)
[  437.536407][T11994]  alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[  437.536411][T11994]  put_chars (drivers/char/virtio_console.c:1176)
[  437.536414][T11994]  ? __send_to_port (drivers/char/virtio_console.c:654)
[  437.536417][T11994]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380)
[  437.536420][T11994]  ? validate_chain (kernel/locking/lockdep.c:3817 (discriminator 2) kernel/locking/lockdep.c:3837 (discriminator 2) kernel/locking/lockdep.c:3892 (discriminator 2))
[  437.536425][T11994]  hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2))
[  437.536429][T11994]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[  437.536431][T11994]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[  437.536436][T11994]  ? hvc_write (drivers/tty/hvc/hvc_console.c:501)
[  437.536440][T11994]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  437.536442][T11994]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  437.536446][T11994]  console_emit_next_record (kernel/printk/printk.c:3183)
[  437.536451][T11994]  ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20)
[  437.536453][T11994]  ? console_flush_one_record (./include/linux/rcupdate.h:314 (discriminator 2) ./include/linux/srcu.h:439 (discriminator 2) kernel/printk/printk.c:291 (discriminator 2) kernel/printk/printk.c:3246 (discriminator 2))
[  437.536456][T11994]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  437.536458][T11994]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  437.536463][T11994]  console_flush_one_record (kernel/printk/printk.c:3268)
[  437.536467][T11994]  ? console_emit_next_record (kernel/printk/printk.c:3150)
[  437.536469][T11994]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[  437.536475][T11994]  console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420)
[  437.536478][T11994]  ? console_flush_one_record (kernel/printk/printk.c:3316)
[  437.536480][T11994]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  437.536482][T11994]  ? 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)
[  437.536486][T11994]  ? __down_trylock_console_sem (kernel/printk/printk.c:334)
[  437.536488][T11994]  ? vprintk_emit (kernel/printk/printk.c:2478)
[  437.536491][T11994]  vprintk_emit (kernel/printk/printk.c:2479)
[  437.536494][T11994]  ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126))
[  437.536500][T11994]  _printk (kernel/printk/printk.c:2504)
[  437.536504][T11994]  ? snapshot_read.cold (user.c:?)
[  437.536507][T11994]  ? lockdep_rtnl_is_held (./include/linux/lockdep.h:249 net/core/rtnetlink.c:182)
[  437.536510][T11994]  ? netdev_upper_get_next_dev_rcu (net/core/dev.c:8213 (discriminator 5))
[  437.536514][T11994]  ? __netdev_update_features (net/core/dev.c:11078 (discriminator 2))
[  437.536516][T11994]  ? netdev_name (./include/linux/netdevice.h:5709 (discriminator 1))
[  437.536520][T11994]  ? __netdev_printk (net/core/dev.c:13148 (discriminator 2))
[  437.536524][T11994]  netdev_info (net/core/dev.c:13195 (discriminator 3))
[  437.536527][T11994]  ? netdev_notice (net/core/dev.c:13194)
[  437.536529][T11994]  ? ovs_netdev_link (net/openvswitch/vport-netdev.c:85) openvswitch
[  437.536538][T11994]  ? 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)
[  437.536541][T11994]  __dev_set_promiscuity.cold (net/core/dev.c:9672 (discriminator 3))
[  437.536545][T11994]  netif_set_promiscuity (net/core/dev.c:9699)
[  437.536549][T11994]  dev_set_promiscuity (net/core/dev_api.c:288)
[  437.536551][T11994]  ? dev_disable_lro (net/core/dev_api.c:267)
[  437.536554][T11994] ovs_netdev_link (net/openvswitch/vport-netdev.c:106) openvswitch
[  437.536559][T11994] ovs_vport_add (net/openvswitch/vport.c:209) openvswitch
[  437.536564][T11994] new_vport (net/openvswitch/datapath.c:203) openvswitch
[  437.536569][T11994]  ? ovs_lookup_vport (./include/linux/lockdep.h:249 net/openvswitch/datapath.c:120 net/openvswitch/datapath.c:117 net/openvswitch/datapath.c:190) openvswitch
[  437.536574][T11994] ovs_vport_cmd_new (net/openvswitch/datapath.c:2389) openvswitch
[  437.536580][T11994]  ? ovs_vport_cmd_fill_info.isra.0 (./include/net/netlink.h:1107 (discriminator 1)) openvswitch
[  437.536583][T11994]  ? __nla_validate_parse (lib/nlattr.c:635)
[  437.536590][T11994]  ? __nla_parse (lib/nlattr.c:732)
[  437.536592][T11994]  ? genl_family_rcv_msg_attrs_parse.isra.0 (./include/net/netlink.h:789 (discriminator 2) net/netlink/genetlink.c:944 (discriminator 2))
[  437.536598][T11994]  genl_family_rcv_msg_doit (net/netlink/genetlink.c:1114)
[  437.536601][T11994]  ? genl_family_rcv_msg_attrs_parse.isra.0 (./include/net/netlink.h:785 (discriminator 2))
[  437.536610][T11994]  ? security_capable (security/security.c:660 (discriminator 11))
[  437.536615][T11994]  genl_family_rcv_msg (net/netlink/genetlink.c:1194)
[  437.536619][T11994]  ? genl_family_rcv_msg_dumpit (net/netlink/genetlink.c:1079)
[  437.536621][T11994]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380)
[  437.536624][T11994]  ? ovs_vport_cmd_fill_info.isra.0 (./include/net/netlink.h:1107 (discriminator 1)) openvswitch
[  437.536634][T11994]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[  437.536640][T11994]  genl_rcv_msg (net/netlink/genetlink.c:1209)
[  437.536643][T11994]  netlink_rcv_skb (net/netlink/af_netlink.c:2556)
[  437.536645][T11994]  ? genl_family_rcv_msg (net/netlink/genetlink.c:1136 (discriminator 2))
[  437.536649][T11994]  ? netlink_ack (./include/linux/skbuff.h:2718)
[  437.536657][T11994]  ? 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))
[  437.536659][T11994]  ? 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))
[  437.536663][T11994]  genl_rcv (net/netlink/genetlink.c:1218)
[  437.536666][T11994]  netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[  437.536670][T11994]  ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[  437.536674][T11994]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[  437.536678][T11994]  netlink_sendmsg (net/netlink/af_netlink.c:1900)
[  437.536682][T11994]  ? netlink_unicast (./include/net/net_namespace.h:422 (discriminator 7))
[  437.536684][T11994]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[  437.536687][T11994]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554)
[  437.536692][T11994]  __sock_sendmsg (net/socket.c:800 (discriminator 4) net/socket.c:815 (discriminator 4))
[  437.536696][T11994]  ? fdget (fs/file.c:1200 fs/file.c:1208)
[  437.536700][T11994]  __sys_sendto (net/socket.c:2281)
[  437.536703][T11994]  ? __ia32_sys_getpeername (net/socket.c:2235)
[  437.536709][T11994]  ? rcutree_report_cpu_dead (kernel/rcu/tree.c:4507)
[  437.536718][T11994]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554)
[  437.536722][T11994]  __x64_sys_sendto (net/socket.c:2288 net/socket.c:2284 net/socket.c:2284)
[  437.536724][T11994]  ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22))
[  437.536728][T11994]  ? lockdep_hardirqs_on (kernel/locking/lockdep.c:4488)
[  437.536731][T11994]  ? do_syscall_64 (arch/x86/entry/syscall_64.c:81 (discriminator 44))
[  437.536734][T11994]  do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84)
[  437.536736][T11994]  ? irq_exit_rcu (kernel/softirq.c:786)
[  437.536741][T11994]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[  437.536743][T11994] RIP: 0033:0x7fc669940312
[  437.536747][T11994] 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)
[  437.536749][T11994] RSP: 002b:00007ffe69f2e488 EFLAGS: 00000246 ORIG_RAX: 000000000000002c
[  437.536752][T11994] RAX: ffffffffffffffda RBX: 00007ffe69f2e5b8 RCX: 00007fc669940312
[  437.536753][T11994] RDX: 0000000000000038 RSI: 00007fc6643cac30 RDI: 0000000000000023
[  437.536754][T11994] RBP: 00007ffe69f2e4b0 R08: 00007ffe69f2e630 R09: 000000000000000c
[  437.536755][T11994] R10: 0000000000000000 R11: 0000000000000246 R12: 00007fc6677aa190
[  437.536756][T11994] R13: 00007ffe69f2e5b8 R14: 00007fc66925f01a R15: 00007ffe69f2e9a8
| [  438.555986][T12021] softirqs last disabled at (388580): inet6_fill_ifla6_attrs (net/ipv6/addrconf.c:5883)
| [  438.555988][T12021] Preemption disabled at:
| [  438.555989][T12021] vprintk_emit (kernel/printk/printk.c:2471)
| [  438.555998][T12021] Tainted: [W]=WARN
[  438.555999][T12021] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[  438.556000][T12021] Call Trace:
[  438.556002][T12021]  <TASK>
[  438.556003][T12021]  dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120)
[  438.556009][T12021]  ? vprintk_emit (kernel/printk/printk.c:2471)
[  438.556011][T12021]  __might_resched.cold (kernel/sched/core.c:9234)
[  438.556016][T12021]  ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3))
[  438.556020][T12021]  ? __kmalloc_noprof (./include/linux/sched/mm.h:317 mm/slub.c:4636 mm/slub.c:4974 mm/slub.c:5413 mm/slub.c:5439)
[  438.556025][T12021]  __kmalloc_noprof (./include/linux/sched/mm.h:322 (discriminator 2) mm/slub.c:4636 (discriminator 2) mm/slub.c:4974 (discriminator 2) mm/slub.c:5413 (discriminator 2) mm/slub.c:5439 (discriminator 2))
[  438.556027][T12021]  ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[  438.556034][T12021]  ? do_raw_spin_unlock (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:32 ./include/asm-generic/qspinlock.h:58 kernel/locking/spinlock_debug.c:101 kernel/locking/spinlock_debug.c:141)
[  438.556037][T12021]  alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[  438.556041][T12021]  put_chars (drivers/char/virtio_console.c:1176)
[  438.556044][T12021]  ? __send_to_port (drivers/char/virtio_console.c:654)
[  438.556047][T12021]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380)
[  438.556050][T12021]  ? validate_chain (kernel/locking/lockdep.c:3817 (discriminator 2) kernel/locking/lockdep.c:3837 (discriminator 2) kernel/locking/lockdep.c:3892 (discriminator 2))
[  438.556055][T12021]  hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2))
[  438.556059][T12021]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[  438.556061][T12021]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[  438.556066][T12021]  ? hvc_write (drivers/tty/hvc/hvc_console.c:501)
[  438.556070][T12021]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  438.556072][T12021]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  438.556076][T12021]  console_emit_next_record (kernel/printk/printk.c:3183)
[  438.556080][T12021]  ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20)
[  438.556082][T12021]  ? console_flush_one_record (./include/linux/rcupdate.h:314 (discriminator 2) ./include/linux/srcu.h:439 (discriminator 2) kernel/printk/printk.c:291 (discriminator 2) kernel/printk/printk.c:3246 (discriminator 2))
[  438.556086][T12021]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  438.556088][T12021]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  438.556092][T12021]  console_flush_one_record (kernel/printk/printk.c:3268)
[  438.556097][T12021]  ? console_emit_next_record (kernel/printk/printk.c:3150)
[  438.556099][T12021]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[  438.556104][T12021]  console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420)
[  438.556107][T12021]  ? console_flush_one_record (kernel/printk/printk.c:3316)
[  438.556109][T12021]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  438.556111][T12021]  ? 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)
[  438.556115][T12021]  ? __down_trylock_console_sem (kernel/printk/printk.c:334)
[  438.556117][T12021]  ? vprintk_emit (kernel/printk/printk.c:2478)
[  438.556120][T12021]  vprintk_emit (kernel/printk/printk.c:2479)
[  438.556123][T12021]  ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126))
[  438.556129][T12021]  _printk (kernel/printk/printk.c:2504)
[  438.556133][T12021]  ? snapshot_read.cold (user.c:?)
[  438.556136][T12021]  ? lockdep_rtnl_is_held (./include/linux/lockdep.h:249 net/core/rtnetlink.c:182)
[  438.556139][T12021]  ? netdev_upper_get_next_dev_rcu (net/core/dev.c:8213 (discriminator 5))
[  438.556142][T12021]  ? 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)
[  438.556144][T12021]  ? __netdev_update_features (net/core/dev.c:11078 (discriminator 2))
[  438.556146][T12021]  ? netdev_name (./include/linux/netdevice.h:5709 (discriminator 1))
[  438.556150][T12021]  ? __netdev_printk (net/core/dev.c:13148 (discriminator 2))
[  438.556154][T12021]  netdev_info (net/core/dev.c:13195 (discriminator 3))
[  438.556157][T12021]  ? netdev_notice (net/core/dev.c:13194)
[  438.556159][T12021]  ? ovs_netdev_link (net/openvswitch/vport-netdev.c:85) openvswitch
[  438.556168][T12021]  ? 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)
[  438.556171][T12021]  __dev_set_promiscuity.cold (net/core/dev.c:9672 (discriminator 3))
[  438.556175][T12021]  netif_set_promiscuity (net/core/dev.c:9699)
[  438.556178][T12021]  dev_set_promiscuity (net/core/dev_api.c:288)
[  438.556180][T12021]  ? dev_disable_lro (net/core/dev_api.c:267)
[  438.556183][T12021] ovs_netdev_link (net/openvswitch/vport-netdev.c:106) openvswitch
[  438.556188][T12021] ovs_vport_add (net/openvswitch/vport.c:209) openvswitch
[  438.556193][T12021] new_vport (net/openvswitch/datapath.c:203) openvswitch
[  438.556197][T12021]  ? ovs_lookup_vport (./include/linux/lockdep.h:249 net/openvswitch/datapath.c:120 net/openvswitch/datapath.c:117 net/openvswitch/datapath.c:190) openvswitch
[  438.556202][T12021] ovs_vport_cmd_new (net/openvswitch/datapath.c:2389) openvswitch
[  438.556208][T12021]  ? ovs_vport_cmd_fill_info.isra.0 (./include/net/netlink.h:1107 (discriminator 1)) openvswitch
[  438.556212][T12021]  ? __nla_validate_parse (lib/nlattr.c:635)
[  438.556219][T12021]  ? __nla_parse (lib/nlattr.c:732)
[  438.556221][T12021]  ? genl_family_rcv_msg_attrs_parse.isra.0 (./include/net/netlink.h:789 (discriminator 2) net/netlink/genetlink.c:944 (discriminator 2))
[  438.556226][T12021]  genl_family_rcv_msg_doit (net/netlink/genetlink.c:1114)
[  438.556230][T12021]  ? genl_family_rcv_msg_attrs_parse.isra.0 (./include/net/netlink.h:785 (discriminator 2))
[  438.556239][T12021]  ? security_capable (security/security.c:660 (discriminator 11))
[  438.556243][T12021]  genl_family_rcv_msg (net/netlink/genetlink.c:1194)
[  438.556247][T12021]  ? genl_family_rcv_msg_dumpit (net/netlink/genetlink.c:1079)
[  438.556250][T12021]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380)
[  438.556252][T12021]  ? ovs_vport_cmd_fill_info.isra.0 (./include/net/netlink.h:1107 (discriminator 1)) openvswitch
[  438.556257][T12021]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[  438.556263][T12021]  genl_rcv_msg (net/netlink/genetlink.c:1209)
[  438.556266][T12021]  netlink_rcv_skb (net/netlink/af_netlink.c:2556)
[  438.556268][T12021]  ? genl_family_rcv_msg (net/netlink/genetlink.c:1136 (discriminator 2))
[  438.556272][T12021]  ? netlink_ack (./include/linux/skbuff.h:2718)
[  438.556280][T12021]  ? 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))
[  438.556282][T12021]  ? 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))
[  438.556286][T12021]  genl_rcv (net/netlink/genetlink.c:1218)
[  438.556289][T12021]  netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[  438.556293][T12021]  ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[  438.556297][T12021]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[  438.556301][T12021]  netlink_sendmsg (net/netlink/af_netlink.c:1900)
[  438.556305][T12021]  ? netlink_unicast (./include/net/net_namespace.h:422 (discriminator 7))
[  438.556307][T12021]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[  438.556310][T12021]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554)
[  438.556315][T12021]  __sock_sendmsg (net/socket.c:800 (discriminator 4) net/socket.c:815 (discriminator 4))
[  438.556318][T12021]  ? fdget (fs/file.c:1200 fs/file.c:1208)
[  438.556322][T12021]  __sys_sendto (net/socket.c:2281)
[  438.556326][T12021]  ? __ia32_sys_getpeername (net/socket.c:2235)
[  438.556331][T12021]  ? do_futex (kernel/futex/syscalls.c:138)
[  438.556335][T12021]  ? __ia32_sys_get_robust_list (kernel/futex/syscalls.c:94)
[  438.556341][T12021]  ? exc_page_fault (arch/x86/mm/fault.c:1483 arch/x86/mm/fault.c:1536)
[  438.556345][T12021]  ? do_futex (kernel/futex/syscalls.c:153 (discriminator 1))
[  438.556349][T12021]  __x64_sys_sendto (net/socket.c:2288 net/socket.c:2284 net/socket.c:2284)
[  438.556351][T12021]  ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22))
[  438.556355][T12021]  ? lockdep_hardirqs_on (kernel/locking/lockdep.c:4488)
[  438.556357][T12021]  ? do_syscall_64 (arch/x86/entry/syscall_64.c:81 (discriminator 44))
[  438.556360][T12021]  do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84)
[  438.556362][T12021]  ? exc_page_fault (arch/x86/mm/fault.c:1489 (discriminator 3) arch/x86/mm/fault.c:1536 (discriminator 3))
[  438.556364][T12021]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[  438.556367][T12021] RIP: 0033:0x7f686d381312
[  438.556370][T12021] 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)
[  438.556372][T12021] RSP: 002b:00007ffc3873b2a8 EFLAGS: 00000246 ORIG_RAX: 000000000000002c
[  438.556375][T12021] RAX: ffffffffffffffda RBX: 00007ffc3873b3d8 RCX: 00007f686d381312
[  438.556376][T12021] RDX: 0000000000000038 RSI: 00007f6868633970 RDI: 0000000000000023
[  438.556377][T12021] RBP: 00007ffc3873b2d0 R08: 00007ffc3873b450 R09: 000000000000000c
[  438.556378][T12021] R10: 0000000000000000 R11: 0000000000000246 R12: 00007f686b1da190
[  438.556379][T12021] R13: 00007ffc3873b3d8 R14: 00007f686cca001a R15: 00007ffc3873b7c8
| [  446.952665][   T70] softirqs last disabled at (10357980): __neigh_ifdown.isra.0 (./include/linux/spinlock.h:353 net/core/neighbour.c:464)
| [  446.952667][   T70] Preemption disabled at:
| [  446.952668][   T70] vprintk_emit (kernel/printk/printk.c:2471)
| [  446.952676][   T70] Tainted: [W]=WARN
[  446.952677][   T70] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[  446.952679][   T70] Workqueue: netns cleanup_net
[  446.952682][   T70] Call Trace:
[  446.952684][   T70]  <TASK>
[  446.952686][   T70]  dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120)
[  446.952692][   T70]  ? vprintk_emit (kernel/printk/printk.c:2471)
[  446.952694][   T70]  __might_resched.cold (kernel/sched/core.c:9234)
[  446.952698][   T70]  ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3))
[  446.952702][   T70]  ? __kmalloc_noprof (./include/linux/sched/mm.h:317 mm/slub.c:4636 mm/slub.c:4974 mm/slub.c:5413 mm/slub.c:5439)
[  446.952707][   T70]  __kmalloc_noprof (./include/linux/sched/mm.h:322 (discriminator 2) mm/slub.c:4636 (discriminator 2) mm/slub.c:4974 (discriminator 2) mm/slub.c:5413 (discriminator 2) mm/slub.c:5439 (discriminator 2))
[  446.952709][   T70]  ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[  446.952715][   T70]  ? do_raw_spin_unlock (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:32 ./include/asm-generic/qspinlock.h:58 kernel/locking/spinlock_debug.c:101 kernel/locking/spinlock_debug.c:141)
[  446.952718][   T70]  alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[  446.952722][   T70]  put_chars (drivers/char/virtio_console.c:1176)
[  446.952724][   T70]  ? prb_final_commit (kernel/printk/printk_ringbuffer.c:1842)
[  446.952726][   T70]  ? __send_to_port (drivers/char/virtio_console.c:654)
[  446.952729][   T70]  ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4116 (discriminator 3) kernel/rcu/tree.c:4108 (discriminator 3))
[  446.952732][   T70]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380)
[  446.952735][   T70]  ? validate_chain (kernel/locking/lockdep.c:3817 (discriminator 2) kernel/locking/lockdep.c:3837 (discriminator 2) kernel/locking/lockdep.c:3892 (discriminator 2))
[  446.952739][   T70]  hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2))
[  446.952744][   T70]  ? mark_usage (kernel/locking/lockdep.c:4690)
[  446.952746][   T70]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[  446.952747][   T70]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[  446.952752][   T70]  ? hvc_write (drivers/tty/hvc/hvc_console.c:501)
[  446.952755][   T70]  ? console_emit_next_record (kernel/printk/printk.c:3095 (discriminator 2) kernel/printk/printk.c:3182 (discriminator 2))
[  446.952758][   T70]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  446.952760][   T70]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  446.952764][   T70]  console_emit_next_record (kernel/printk/printk.c:3183)
[  446.952771][   T70]  ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20)
[  446.952773][   T70]  ? console_flush_one_record (./include/linux/rcupdate.h:314 (discriminator 2) ./include/linux/srcu.h:439 (discriminator 2) kernel/printk/printk.c:291 (discriminator 2) kernel/printk/printk.c:3246 (discriminator 2))
[  446.952777][   T70]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  446.952779][   T70]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  446.952783][   T70]  console_flush_one_record (kernel/printk/printk.c:3268)
[  446.952787][   T70]  ? console_emit_next_record (kernel/printk/printk.c:3150)
[  446.952789][   T70]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[  446.952795][   T70]  console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420)
[  446.952798][   T70]  ? console_flush_one_record (kernel/printk/printk.c:3316)
[  446.952800][   T70]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  446.952802][   T70]  ? 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)
[  446.952805][   T70]  ? __down_trylock_console_sem (kernel/printk/printk.c:334)
[  446.952808][   T70]  ? vprintk_emit (kernel/printk/printk.c:2478)
[  446.952810][   T70]  vprintk_emit (kernel/printk/printk.c:2479)
[  446.952814][   T70]  ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126))
[  446.952816][   T70]  ? net_disable_timestamp (./include/linux/workqueue.h:761)
[  446.952819][   T70]  ? net_generic (./include/linux/rcupdate.h:882 ./include/net/netns/generic.h:48) vxlan
[  446.952827][   T70]  _printk (kernel/printk/printk.c:2504)
[  446.952831][   T70]  ? snapshot_read.cold (user.c:?)
[  446.952836][   T70]  ? netdev_name (./include/linux/netdevice.h:5709 (discriminator 1))
[  446.952839][   T70]  ? __netdev_printk (net/core/dev.c:13148 (discriminator 2))
[  446.952843][   T70]  netdev_info (net/core/dev.c:13195 (discriminator 3))
[  446.952846][   T70]  ? netdev_notice (net/core/dev.c:13194)
[  446.952848][   T70]  ? __netdev_upper_dev_unlink (net/core/dev.c:9094)
[  446.952852][   T70]  ? synchronize_rcu_expedited (kernel/rcu/tree_exp.h:985)
[  446.952858][   T70]  ? 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)
[  446.952860][   T70]  __dev_set_promiscuity.cold (net/core/dev.c:9672 (discriminator 3))
[  446.952864][   T70]  netif_set_promiscuity (net/core/dev.c:9699)
[  446.952868][   T70]  dev_set_promiscuity (net/core/dev_api.c:288)
[  446.952870][   T70]  ? rtnl_is_locked (net/core/rtnetlink.c:169)
[  446.952873][   T70] ovs_netdev_detach_dev (net/openvswitch/vport-netdev.c:174) openvswitch
[  446.952880][   T70] dp_device_event (net/openvswitch/dp_notify.c:74) openvswitch
[  446.952884][   T70]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  446.952886][   T70]  notifier_call_chain (kernel/notifier.c:85)
[  446.952892][   T70]  unregister_netdevice_many_notify (net/core/dev.c:2313 net/core/dev.c:2327 net/core/dev.c:12518)
[  446.952897][   T70]  ? unregister_netdevice_queued (./include/linux/list.h:419 (discriminator 3))
[  446.952905][   T70]  default_device_exit_batch (net/core/dev.c:12589 net/core/dev.c:13288)
[  446.952909][   T70]  ? unregister_netdevice_queue (./include/linux/list.h:173)
[  446.952911][   T70]  ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3))
[  446.952914][   T70]  ? fou_exit_net (net/ipv4/fou_core.c:1228)
[  446.952918][   T70]  ops_undo_list (net/core/net_namespace.c:206 net/core/net_namespace.c:253)
[  446.952922][   T70]  ? lockdep_hardirqs_on (kernel/locking/lockdep.c:4488)
[  446.952926][   T70]  ? netns_install (./include/linux/ns_common.h:26)
[  446.952928][   T70]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554)
[  446.952931][   T70]  ? idr_destroy (lib/radix-tree.c:310 lib/radix-tree.c:674 lib/radix-tree.c:1563)
[  446.952936][   T70]  cleanup_net (net/core/net_namespace.c:706)
[  446.952939][   T70]  ? net_passive_dec (./include/linux/llist.h:241)
[  446.952943][   T70]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  446.952945][   T70]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  446.952949][   T70]  process_one_work (kernel/workqueue.c:3387)
[  446.952956][   T70]  ? __queue_delayed_work (kernel/workqueue.c:2622)
[  446.952959][   T70]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2))
[  446.952967][   T70]  worker_thread (kernel/workqueue.c:3470 kernel/workqueue.c:3551)
[  446.952971][   T70]  ? rescuer_thread (./include/linux/list.h:419 (discriminator 3))
[  446.952973][   T70]  ? __kthread_parkme (./include/linux/instrumented.h:82 ./include/asm-generic/bitops/instrumented-non-atomic.h:141 kernel/kthread.c:272)
[  446.952976][   T70]  ? rescuer_thread (./include/linux/list.h:419 (discriminator 3))
[  446.952979][   T70]  ? rescuer_thread (./include/linux/list.h:419 (discriminator 3))
[  446.952981][   T70]  kthread (kernel/kthread.c:436)
[  446.952983][   T70]  ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22))
[  446.952987][   T70]  ? kthread_affine_preferred (kernel/kthread.c:857)
[  446.952990][   T70]  ret_from_fork (arch/x86/kernel/process.c:158)
[  446.952994][   T70]  ? arch_exit_to_user_mode_prepare.isra.0 (arch/x86/entry/vdso/vma.c:80 (discriminator 1))
[  446.952997][   T70]  ? __switch_to (arch/x86/kernel/process_64.c:403 arch/x86/kernel/process_64.c:663)
[  446.953001][   T70]  ? kthread_affine_preferred (kernel/kthread.c:857)
[  446.953004][   T70]  ret_from_fork_asm (arch/x86/entry/entry_64.S:245)
| [  448.673135][T12234] softirqs last disabled at (372094): inet6_fill_ifla6_attrs (net/ipv6/addrconf.c:5883)
| [  448.673137][T12234] Preemption disabled at:
| [  448.673138][T12234] vprintk_emit (kernel/printk/printk.c:2471)
| [  448.673147][T12234] Tainted: [W]=WARN
[  448.673148][T12234] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[  448.673150][T12234] Call Trace:
[  448.673152][T12234]  <TASK>
[  448.673153][T12234]  dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120)
[  448.673160][T12234]  ? vprintk_emit (kernel/printk/printk.c:2471)
[  448.673162][T12234]  __might_resched.cold (kernel/sched/core.c:9234)
[  448.673166][T12234]  ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3))
[  448.673171][T12234]  ? __kmalloc_noprof (./include/linux/sched/mm.h:317 mm/slub.c:4636 mm/slub.c:4974 mm/slub.c:5413 mm/slub.c:5439)
[  448.673175][T12234]  __kmalloc_noprof (./include/linux/sched/mm.h:322 (discriminator 2) mm/slub.c:4636 (discriminator 2) mm/slub.c:4974 (discriminator 2) mm/slub.c:5413 (discriminator 2) mm/slub.c:5439 (discriminator 2))
[  448.673177][T12234]  ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[  448.673184][T12234]  ? do_raw_spin_unlock (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:32 ./include/asm-generic/qspinlock.h:58 kernel/locking/spinlock_debug.c:101 kernel/locking/spinlock_debug.c:141)
[  448.673187][T12234]  alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[  448.673191][T12234]  put_chars (drivers/char/virtio_console.c:1176)
[  448.673193][T12234]  ? __send_to_port (drivers/char/virtio_console.c:654)
[  448.673195][T12234]  ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4116 (discriminator 3) kernel/rcu/tree.c:4108 (discriminator 3))
[  448.673198][T12234]  ? validate_chain (kernel/locking/lockdep.c:3817 (discriminator 2) kernel/locking/lockdep.c:3837 (discriminator 2) kernel/locking/lockdep.c:3892 (discriminator 2))
[  448.673204][T12234]  hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2))
[  448.673212][T12234]  ? hvc_write (drivers/tty/hvc/hvc_console.c:501)
[  448.673215][T12234]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  448.673217][T12234]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  448.673221][T12234]  console_emit_next_record (kernel/printk/printk.c:3183)
[  448.673225][T12234]  ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20)
[  448.673227][T12234]  ? console_flush_one_record (./include/linux/rcupdate.h:314 (discriminator 2) ./include/linux/srcu.h:439 (discriminator 2) kernel/printk/printk.c:291 (discriminator 2) kernel/printk/printk.c:3246 (discriminator 2))
[  448.673231][T12234]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  448.673233][T12234]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  448.673237][T12234]  console_flush_one_record (kernel/printk/printk.c:3268)
[  448.673241][T12234]  ? console_emit_next_record (kernel/printk/printk.c:3150)
[  448.673243][T12234]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[  448.673249][T12234]  console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420)
[  448.673252][T12234]  ? console_flush_one_record (kernel/printk/printk.c:3316)
[  448.673254][T12234]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  448.673256][T12234]  ? 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)
[  448.673260][T12234]  ? __down_trylock_console_sem (kernel/printk/printk.c:334)
[  448.673262][T12234]  ? vprintk_emit (kernel/printk/printk.c:2478)
[  448.673264][T12234]  vprintk_emit (kernel/printk/printk.c:2479)
[  448.673268][T12234]  ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126))
[  448.673271][T12234]  ? net_disable_timestamp (./include/linux/workqueue.h:761)
[  448.673274][T12234]  ? net_generic (./include/linux/rcupdate.h:882 ./include/net/netns/generic.h:48) vxlan
[  448.673282][T12234]  _printk (kernel/printk/printk.c:2504)
[  448.673285][T12234]  ? snapshot_read.cold (user.c:?)
[  448.673290][T12234]  ? netdev_name (./include/linux/netdevice.h:5709 (discriminator 1))
[  448.673294][T12234]  ? __netdev_printk (net/core/dev.c:13148 (discriminator 2))
[  448.673298][T12234]  netdev_info (net/core/dev.c:13195 (discriminator 3))
[  448.673301][T12234]  ? netdev_notice (net/core/dev.c:13194)
[  448.673302][T12234]  ? __netdev_upper_dev_unlink (net/core/dev.c:9094)
[  448.673307][T12234]  ? synchronize_rcu_expedited (kernel/rcu/tree_exp.h:985)
[  448.673313][T12234]  ? 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)
[  448.673315][T12234]  __dev_set_promiscuity.cold (net/core/dev.c:9672 (discriminator 3))
[  448.673319][T12234]  netif_set_promiscuity (net/core/dev.c:9699)
[  448.673323][T12234]  dev_set_promiscuity (net/core/dev_api.c:288)
[  448.673325][T12234]  ? rtnl_is_locked (net/core/rtnetlink.c:169)
[  448.673329][T12234] ovs_netdev_detach_dev (net/openvswitch/vport-netdev.c:174) openvswitch
[  448.673333][T12234]  ? netdev_destroy (net/openvswitch/vport-netdev.c:189) openvswitch
[  448.673337][T12234] netdev_destroy (net/openvswitch/vport-netdev.c:194) openvswitch
[  448.673342][T12234] ovs_vport_cmd_del (net/openvswitch/datapath.c:2505) openvswitch
[  448.673349][T12234]  genl_family_rcv_msg_doit (net/netlink/genetlink.c:1114)
[  448.673353][T12234]  ? genl_family_rcv_msg_attrs_parse.isra.0 (./include/net/netlink.h:785 (discriminator 2))
[  448.673362][T12234]  ? security_capable (security/security.c:660 (discriminator 11))
[  448.673367][T12234]  genl_family_rcv_msg (net/netlink/genetlink.c:1194)
[  448.673371][T12234]  ? genl_family_rcv_msg_dumpit (net/netlink/genetlink.c:1079)
[  448.673373][T12234]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380)
[  448.673376][T12234]  ? ovs_dp_detach_port (./include/linux/list.h:1047 (discriminator 2)) openvswitch
[  448.673381][T12234]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[  448.673387][T12234]  genl_rcv_msg (net/netlink/genetlink.c:1209)
[  448.673390][T12234]  netlink_rcv_skb (net/netlink/af_netlink.c:2556)
[  448.673392][T12234]  ? genl_family_rcv_msg (net/netlink/genetlink.c:1136 (discriminator 2))
[  448.673396][T12234]  ? netlink_ack (./include/linux/skbuff.h:2718)
[  448.673403][T12234]  ? 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))
[  448.673405][T12234]  ? 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))
[  448.673410][T12234]  genl_rcv (net/netlink/genetlink.c:1218)
[  448.673412][T12234]  netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[  448.673416][T12234]  ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[  448.673420][T12234]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[  448.673424][T12234]  netlink_sendmsg (net/netlink/af_netlink.c:1900)
[  448.673428][T12234]  ? netlink_unicast (./include/net/net_namespace.h:422 (discriminator 7))
[  448.673430][T12234]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[  448.673433][T12234]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554)
[  448.673438][T12234]  __sock_sendmsg (net/socket.c:800 (discriminator 4) net/socket.c:815 (discriminator 4))
[  448.673441][T12234]  ? fdget (fs/file.c:1200 fs/file.c:1208)
[  448.673445][T12234]  __sys_sendto (net/socket.c:2281)
[  448.673449][T12234]  ? __ia32_sys_getpeername (net/socket.c:2235)
[  448.673460][T12234]  ? exc_page_fault (arch/x86/mm/fault.c:1483 arch/x86/mm/fault.c:1536)
[  448.673466][T12234]  __x64_sys_sendto (net/socket.c:2288 net/socket.c:2284 net/socket.c:2284)
[  448.673469][T12234]  ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22))
[  448.673473][T12234]  ? lockdep_hardirqs_on (kernel/locking/lockdep.c:4488)
[  448.673475][T12234]  ? do_syscall_64 (arch/x86/entry/syscall_64.c:81 (discriminator 44))
[  448.673477][T12234]  do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84)
[  448.673479][T12234]  ? exc_page_fault (arch/x86/mm/fault.c:1489 (discriminator 3) arch/x86/mm/fault.c:1536 (discriminator 3))
[  448.673482][T12234]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[  448.673484][T12234] RIP: 0033:0x7fad12d9e312
[  448.673488][T12234] 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)
[  448.673490][T12234] RSP: 002b:00007ffc798847f8 EFLAGS: 00000246 ORIG_RAX: 000000000000002c
[  448.673493][T12234] RAX: ffffffffffffffda RBX: 00007ffc79884928 RCX: 00007fad12d9e312
[  448.673494][T12234] RDX: 0000000000000028 RSI: 00007fad102012f0 RDI: 0000000000000023
[  448.673495][T12234] RBP: 00007ffc79884820 R08: 00007ffc798849a0 R09: 000000000000000c
[  448.673496][T12234] R10: 0000000000000000 R11: 0000000000000246 R12: 00007fad10c01fd0
[  448.673497][T12234] R13: 00007ffc79884928 R14: 00007fad126bd01a R15: 00007ffc79884d18
| [  452.553585][T12354] softirqs last disabled at (377082): __alloc_skb (./include/linux/bottom_half.h:20 (discriminator 2) net/core/skbuff.c:697 (discriminator 2))
| [  452.553587][T12354] Preemption disabled at:
| [  452.553588][T12354] vprintk_emit (kernel/printk/printk.c:2471)
| [  452.553597][T12354] Tainted: [W]=WARN
[  452.553598][T12354] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[  452.553600][T12354] Call Trace:
[  452.553601][T12354]  <TASK>
[  452.553603][T12354]  dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120)
[  452.553609][T12354]  ? vprintk_emit (kernel/printk/printk.c:2471)
[  452.553611][T12354]  __might_resched.cold (kernel/sched/core.c:9234)
[  452.553615][T12354]  ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3))
[  452.553620][T12354]  ? __kmalloc_noprof (./include/linux/sched/mm.h:317 mm/slub.c:4636 mm/slub.c:4974 mm/slub.c:5413 mm/slub.c:5439)
[  452.553624][T12354]  __kmalloc_noprof (./include/linux/sched/mm.h:322 (discriminator 2) mm/slub.c:4636 (discriminator 2) mm/slub.c:4974 (discriminator 2) mm/slub.c:5413 (discriminator 2) mm/slub.c:5439 (discriminator 2))
[  452.553626][T12354]  ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[  452.553633][T12354]  ? do_raw_spin_unlock (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:32 ./include/asm-generic/qspinlock.h:58 kernel/locking/spinlock_debug.c:101 kernel/locking/spinlock_debug.c:141)
[  452.553636][T12354]  alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[  452.553640][T12354]  put_chars (drivers/char/virtio_console.c:1176)
[  452.553643][T12354]  ? __send_to_port (drivers/char/virtio_console.c:654)
[  452.553646][T12354]  ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4116 (discriminator 3) kernel/rcu/tree.c:4108 (discriminator 3))
[  452.553649][T12354]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380)
[  452.553652][T12354]  ? validate_chain (kernel/locking/lockdep.c:3817 (discriminator 2) kernel/locking/lockdep.c:3837 (discriminator 2) kernel/locking/lockdep.c:3892 (discriminator 2))
[  452.553662][T12354]  hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2))
[  452.553667][T12354]  ? mark_usage (kernel/locking/lockdep.c:4690)
[  452.553669][T12354]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[  452.553670][T12354]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[  452.553675][T12354]  ? hvc_write (drivers/tty/hvc/hvc_console.c:501)
[  452.553677][T12354]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2))
[  452.553681][T12354]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  452.553685][T12354]  console_emit_next_record (kernel/printk/printk.c:3183)
[  452.553690][T12354]  ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20)
[  452.553692][T12354]  ? console_flush_one_record (./include/linux/rcupdate.h:314 (discriminator 2) ./include/linux/srcu.h:439 (discriminator 2) kernel/printk/printk.c:291 (discriminator 2) kernel/printk/printk.c:3246 (discriminator 2))
[  452.553695][T12354]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  452.553697][T12354]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  452.553701][T12354]  console_flush_one_record (kernel/printk/printk.c:3268)
[  452.553705][T12354]  ? console_emit_next_record (kernel/printk/printk.c:3150)
[  452.553707][T12354]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[  452.553713][T12354]  console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420)
[  452.553716][T12354]  ? console_flush_one_record (kernel/printk/printk.c:3316)
[  452.553718][T12354]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  452.553720][T12354]  ? 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)
[  452.553724][T12354]  ? __down_trylock_console_sem (kernel/printk/printk.c:334)
[  452.553726][T12354]  ? vprintk_emit (kernel/printk/printk.c:2478)
[  452.553729][T12354]  vprintk_emit (kernel/printk/printk.c:2479)
[  452.553732][T12354]  ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126))
[  452.553734][T12354]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554)
[  452.553736][T12354]  ? genl_family_rcv_msg (net/netlink/genetlink.c:1194)
[  452.553741][T12354]  _printk (kernel/printk/printk.c:2504)
[  452.553744][T12354]  ? snapshot_read.cold (user.c:?)
[  452.553746][T12354]  ? ___ratelimit (lib/ratelimit.c:97 (discriminator 3))
[  452.553752][T12354]  ? idr_get_free (??:?)
[  452.553757][T12354]  validate_nla.cold (lib/nlattr.c:414 (discriminator 4))
[  452.553766][T12354]  ? nla_get_range_signed (lib/nlattr.c:270)
[  452.553775][T12354]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  452.553777][T12354]  ? trace_kmalloc (./include/trace/events/kmem.h:57 (discriminator 22))
[  452.553782][T12354]  __nla_validate_parse (lib/nlattr.c:635)
[  452.553787][T12354]  __nla_parse (lib/nlattr.c:732)
[  452.553790][T12354]  genl_family_rcv_msg_attrs_parse.isra.0 (./include/net/netlink.h:789 (discriminator 2) net/netlink/genetlink.c:944 (discriminator 2))
[  452.553795][T12354]  genl_family_rcv_msg_doit (net/netlink/genetlink.c:1092)
[  452.553798][T12354]  ? genl_family_rcv_msg_attrs_parse.isra.0 (./include/net/netlink.h:785 (discriminator 2))
[  452.553807][T12354]  ? security_capable (security/security.c:660 (discriminator 11))
[  452.553811][T12354]  genl_family_rcv_msg (net/netlink/genetlink.c:1194)
[  452.553815][T12354]  ? genl_family_rcv_msg_dumpit (net/netlink/genetlink.c:1079)
[  452.553817][T12354]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380)
[  452.553820][T12354]  ? ovs_dp_cmd_get (./include/net/net_namespace.h:422 (discriminator 7)) openvswitch
[  452.553829][T12354]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[  452.553835][T12354]  genl_rcv_msg (net/netlink/genetlink.c:1209)
[  452.553838][T12354]  netlink_rcv_skb (net/netlink/af_netlink.c:2556)
[  452.553840][T12354]  ? genl_family_rcv_msg (net/netlink/genetlink.c:1136 (discriminator 2))
[  452.553844][T12354]  ? netlink_ack (./include/linux/skbuff.h:2718)
[  452.553851][T12354]  ? 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))
[  452.553853][T12354]  ? 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))
[  452.553857][T12354]  genl_rcv (net/netlink/genetlink.c:1218)
[  452.553859][T12354]  netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[  452.553864][T12354]  ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[  452.553868][T12354]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[  452.553871][T12354]  netlink_sendmsg (net/netlink/af_netlink.c:1900)
[  452.553875][T12354]  ? netlink_unicast (./include/net/net_namespace.h:422 (discriminator 7))
[  452.553877][T12354]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[  452.553880][T12354]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554)
[  452.553885][T12354]  __sock_sendmsg (net/socket.c:800 (discriminator 4) net/socket.c:815 (discriminator 4))
[  452.553888][T12354]  ? fdget (fs/file.c:1200 fs/file.c:1208)
[  452.553892][T12354]  __sys_sendto (net/socket.c:2281)
[  452.553895][T12354]  ? __ia32_sys_getpeername (net/socket.c:2235)
[  452.553906][T12354]  ? fput_close_sync (fs/file_table.c:617)
[  452.553910][T12354]  ? alloc_file_clone (fs/file_table.c:479)
[  452.553914][T12354]  __x64_sys_sendto (net/socket.c:2288 net/socket.c:2284 net/socket.c:2284)
[  452.553916][T12354]  ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22))
[  452.553920][T12354]  ? lockdep_hardirqs_on (kernel/locking/lockdep.c:4488)
[  452.553923][T12354]  ? do_syscall_64 (arch/x86/entry/syscall_64.c:81 (discriminator 44))
[  452.553925][T12354]  do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84)
[  452.553928][T12354]  ? exc_page_fault (arch/x86/mm/fault.c:1489 (discriminator 3) arch/x86/mm/fault.c:1536 (discriminator 3))
[  452.553930][T12354]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[  452.553933][T12354] RIP: 0033:0x7f849e673312
[  452.553936][T12354] 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)
[  452.553938][T12354] RSP: 002b:00007ffc1fcf4e38 EFLAGS: 00000246 ORIG_RAX: 000000000000002c
[  452.553941][T12354] RAX: ffffffffffffffda RBX: 00007ffc1fcf4f68 RCX: 00007f849e673312
[  452.553942][T12354] RDX: 0000000000000044 RSI: 00007f849c3ab1e0 RDI: 0000000000000020
[  452.553943][T12354] RBP: 00007ffc1fcf4e60 R08: 00007ffc1fcf4fe0 R09: 000000000000000c
[  452.553944][T12354] R10: 0000000000000000 R11: 0000000000000246 R12: 00007f849c4d60b0
[  452.553945][T12354] R13: 00007ffc1fcf4f68 R14: 00007f849df9201a R15: 00007ffc1fcf5358
| [  453.685358][T12386] softirqs last disabled at (382726): inet6_fill_ifla6_attrs (net/ipv6/addrconf.c:5883)
| [  453.685360][T12386] Preemption disabled at:
| [  453.685361][T12386] vprintk_emit (kernel/printk/printk.c:2471)
| [  453.685370][T12386] Tainted: [W]=WARN
[  453.685371][T12386] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[  453.685372][T12386] Call Trace:
[  453.685374][T12386]  <TASK>
[  453.685376][T12386]  dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120)
[  453.685382][T12386]  ? vprintk_emit (kernel/printk/printk.c:2471)
[  453.685384][T12386]  __might_resched.cold (kernel/sched/core.c:9234)
[  453.685388][T12386]  ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3))
[  453.685392][T12386]  ? __kmalloc_noprof (./include/linux/sched/mm.h:317 mm/slub.c:4636 mm/slub.c:4974 mm/slub.c:5413 mm/slub.c:5439)
[  453.685397][T12386]  __kmalloc_noprof (./include/linux/sched/mm.h:322 (discriminator 2) mm/slub.c:4636 (discriminator 2) mm/slub.c:4974 (discriminator 2) mm/slub.c:5413 (discriminator 2) mm/slub.c:5439 (discriminator 2))
[  453.685399][T12386]  ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[  453.685406][T12386]  ? do_raw_spin_unlock (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:32 ./include/asm-generic/qspinlock.h:58 kernel/locking/spinlock_debug.c:101 kernel/locking/spinlock_debug.c:141)
[  453.685408][T12386]  alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[  453.685412][T12386]  put_chars (drivers/char/virtio_console.c:1176)
[  453.685415][T12386]  ? __send_to_port (drivers/char/virtio_console.c:654)
[  453.685418][T12386]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380)
[  453.685421][T12386]  ? validate_chain (kernel/locking/lockdep.c:3817 (discriminator 2) kernel/locking/lockdep.c:3837 (discriminator 2) kernel/locking/lockdep.c:3892 (discriminator 2))
[  453.685426][T12386]  hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2))
[  453.685430][T12386]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[  453.685432][T12386]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[  453.685437][T12386]  ? hvc_write (drivers/tty/hvc/hvc_console.c:501)
[  453.685441][T12386]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  453.685443][T12386]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  453.685447][T12386]  console_emit_next_record (kernel/printk/printk.c:3183)
[  453.685451][T12386]  ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20)
[  453.685453][T12386]  ? console_flush_one_record (./include/linux/rcupdate.h:314 (discriminator 2) ./include/linux/srcu.h:439 (discriminator 2) kernel/printk/printk.c:291 (discriminator 2) kernel/printk/printk.c:3246 (discriminator 2))
[  453.685457][T12386]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  453.685459][T12386]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  453.685463][T12386]  console_flush_one_record (kernel/printk/printk.c:3268)
[  453.685467][T12386]  ? console_emit_next_record (kernel/printk/printk.c:3150)
[  453.685469][T12386]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[  453.685475][T12386]  console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420)
[  453.685478][T12386]  ? console_flush_one_record (kernel/printk/printk.c:3316)
[  453.685480][T12386]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  453.685481][T12386]  ? lock_acquire (./include/linux/srcutree.h:374 ./include/linux/srcu.h:541 ./include/linux/srcu.h:645 ./include/trace/events/lock.h:23 ./include/trace/events/lock.h:23 kernel/locking/lockdep.c:5871)
[  453.685485][T12386]  ? __down_trylock_console_sem (kernel/printk/printk.c:334)
[  453.685487][T12386]  ? vprintk_emit (kernel/printk/printk.c:2478)
[  453.685490][T12386]  vprintk_emit (kernel/printk/printk.c:2479)
[  453.685493][T12386]  ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126))
[  453.685499][T12386]  _printk (kernel/printk/printk.c:2504)
[  453.685503][T12386]  ? snapshot_read.cold (user.c:?)
[  453.685505][T12386]  ? lockdep_rtnl_is_held (./include/linux/lockdep.h:249 net/core/rtnetlink.c:182)
[  453.685509][T12386]  ? netdev_upper_get_next_dev_rcu (net/core/dev.c:8213 (discriminator 5))
[  453.685513][T12386]  ? __netdev_update_features (net/core/dev.c:11078 (discriminator 2))
[  453.685515][T12386]  ? netdev_name (./include/linux/netdevice.h:5709 (discriminator 1))
[  453.685519][T12386]  ? __netdev_printk (net/core/dev.c:13148 (discriminator 2))
[  453.685523][T12386]  netdev_info (net/core/dev.c:13195 (discriminator 3))
[  453.685526][T12386]  ? netdev_notice (net/core/dev.c:13194)
[  453.685528][T12386]  ? ovs_netdev_link (net/openvswitch/vport-netdev.c:85) openvswitch
[  453.685537][T12386]  ? mutex_is_locked (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:3188 kernel/locking/mutex.h:48 kernel/locking/mutex.c:65)
[  453.685540][T12386]  __dev_set_promiscuity.cold (net/core/dev.c:9672 (discriminator 3))
[  453.685543][T12386]  netif_set_promiscuity (net/core/dev.c:9699)
[  453.685547][T12386]  dev_set_promiscuity (net/core/dev_api.c:288)
[  453.685549][T12386]  ? dev_disable_lro (net/core/dev_api.c:267)
[  453.685552][T12386] ovs_netdev_link (net/openvswitch/vport-netdev.c:106) openvswitch
[  453.685557][T12386] ovs_vport_add (net/openvswitch/vport.c:209) openvswitch
[  453.685562][T12386] new_vport (net/openvswitch/datapath.c:203) openvswitch
[  453.685567][T12386]  ? ovs_lookup_vport (./include/linux/lockdep.h:249 net/openvswitch/datapath.c:120 net/openvswitch/datapath.c:117 net/openvswitch/datapath.c:190) openvswitch
[  453.685571][T12386] ovs_vport_cmd_new (net/openvswitch/datapath.c:2389) openvswitch
[  453.685578][T12386]  ? ovs_vport_cmd_fill_info.isra.0 (./include/net/netlink.h:1107 (discriminator 1)) openvswitch
[  453.685581][T12386]  ? __nla_validate_parse (lib/nlattr.c:635)
[  453.685587][T12386]  ? __nla_parse (lib/nlattr.c:732)
[  453.685590][T12386]  ? genl_family_rcv_msg_attrs_parse.isra.0 (./include/net/netlink.h:789 (discriminator 2) net/netlink/genetlink.c:944 (discriminator 2))
[  453.685595][T12386]  genl_family_rcv_msg_doit (net/netlink/genetlink.c:1114)
[  453.685599][T12386]  ? genl_family_rcv_msg_attrs_parse.isra.0 (./include/net/netlink.h:785 (discriminator 2))
[  453.685607][T12386]  ? security_capable (security/security.c:660 (discriminator 11))
[  453.685612][T12386]  genl_family_rcv_msg (net/netlink/genetlink.c:1194)
[  453.685616][T12386]  ? genl_family_rcv_msg_dumpit (net/netlink/genetlink.c:1079)
[  453.685618][T12386]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380)
[  453.685620][T12386]  ? ovs_vport_cmd_fill_info.isra.0 (./include/net/netlink.h:1107 (discriminator 1)) openvswitch
[  453.685625][T12386]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[  453.685631][T12386]  genl_rcv_msg (net/netlink/genetlink.c:1209)
[  453.685634][T12386]  netlink_rcv_skb (net/netlink/af_netlink.c:2556)
[  453.685636][T12386]  ? genl_family_rcv_msg (net/netlink/genetlink.c:1136 (discriminator 2))
[  453.685640][T12386]  ? netlink_ack (./include/linux/skbuff.h:2718)
[  453.685647][T12386]  ? 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))
[  453.685649][T12386]  ? 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))
[  453.685653][T12386]  genl_rcv (net/netlink/genetlink.c:1218)
[  453.685661][T12386]  netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[  453.685665][T12386]  ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[  453.685669][T12386]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[  453.685672][T12386]  netlink_sendmsg (net/netlink/af_netlink.c:1900)
[  453.685677][T12386]  ? netlink_unicast (./include/net/net_namespace.h:422 (discriminator 7))
[  453.685678][T12386]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[  453.685682][T12386]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554)
[  453.685687][T12386]  __sock_sendmsg (net/socket.c:800 (discriminator 4) net/socket.c:815 (discriminator 4))
[  453.685690][T12386]  ? fdget (fs/file.c:1200 fs/file.c:1208)
[  453.685694][T12386]  __sys_sendto (net/socket.c:2281)
[  453.685697][T12386]  ? __ia32_sys_getpeername (net/socket.c:2235)
[  453.685703][T12386]  ? rcutree_report_cpu_dead (kernel/rcu/tree.c:4507)
[  453.685711][T12386]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554)
[  453.685715][T12386]  __x64_sys_sendto (net/socket.c:2288 net/socket.c:2284 net/socket.c:2284)
[  453.685718][T12386]  ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22))
[  453.685722][T12386]  ? lockdep_hardirqs_on (kernel/locking/lockdep.c:4488)
[  453.685725][T12386]  ? do_syscall_64 (arch/x86/entry/syscall_64.c:81 (discriminator 44))
[  453.685728][T12386]  do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84)
[  453.685730][T12386]  ? irq_exit_rcu (kernel/softirq.c:786)
[  453.685734][T12386]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[  453.685737][T12386] RIP: 0033:0x7f7e0f2ba312
[  453.685741][T12386] 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)
[  453.685742][T12386] RSP: 002b:00007fffa7589378 EFLAGS: 00000246 ORIG_RAX: 000000000000002c
[  453.685745][T12386] RAX: ffffffffffffffda RBX: 00007fffa75894a8 RCX: 00007f7e0f2ba312
[  453.685746][T12386] RDX: 0000000000000038 RSI: 00007f7e0c533570 RDI: 0000000000000023
[  453.685747][T12386] RBP: 00007fffa75893a0 R08: 00007fffa7589520 R09: 000000000000000c
[  453.685748][T12386] R10: 0000000000000000 R11: 0000000000000246 R12: 00007f7e0d11e190
[  453.685749][T12386] R13: 00007fffa75894a8 R14: 00007f7e0ebd901a R15: 00007fffa7589898
| [  463.164500][   T70] softirqs last disabled at (10535436): __neigh_ifdown.isra.0 (./include/linux/spinlock.h:353 net/core/neighbour.c:464)
| [  463.164502][   T70] Preemption disabled at:
| [  463.164503][   T70] vprintk_emit (kernel/printk/printk.c:2471)
| [  463.164512][   T70] Tainted: [W]=WARN
[  463.164513][   T70] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[  463.164514][   T70] Workqueue: netns cleanup_net
[  463.164518][   T70] Call Trace:
[  463.164519][   T70]  <TASK>
[  463.164521][   T70]  dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120)
[  463.164527][   T70]  ? vprintk_emit (kernel/printk/printk.c:2471)
[  463.164529][   T70]  __might_resched.cold (kernel/sched/core.c:9234)
[  463.164534][   T70]  ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3))
[  463.164538][   T70]  ? __kmalloc_noprof (./include/linux/sched/mm.h:317 mm/slub.c:4636 mm/slub.c:4974 mm/slub.c:5413 mm/slub.c:5439)
[  463.164543][   T70]  __kmalloc_noprof (./include/linux/sched/mm.h:322 (discriminator 2) mm/slub.c:4636 (discriminator 2) mm/slub.c:4974 (discriminator 2) mm/slub.c:5413 (discriminator 2) mm/slub.c:5439 (discriminator 2))
[  463.164545][   T70]  ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[  463.164552][   T70]  ? do_raw_spin_unlock (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:32 ./include/asm-generic/qspinlock.h:58 kernel/locking/spinlock_debug.c:101 kernel/locking/spinlock_debug.c:141)
[  463.164554][   T70]  alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[  463.164558][   T70]  put_chars (drivers/char/virtio_console.c:1176)
[  463.164560][   T70]  ? prb_final_commit (kernel/printk/printk_ringbuffer.c:1842)
[  463.164563][   T70]  ? __send_to_port (drivers/char/virtio_console.c:654)
[  463.164566][   T70]  ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4116 (discriminator 3) kernel/rcu/tree.c:4108 (discriminator 3))
[  463.164569][   T70]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380)
[  463.164572][   T70]  ? validate_chain (kernel/locking/lockdep.c:3817 (discriminator 2) kernel/locking/lockdep.c:3837 (discriminator 2) kernel/locking/lockdep.c:3892 (discriminator 2))
[  463.164577][   T70]  hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2))
[  463.164581][   T70]  ? mark_usage (kernel/locking/lockdep.c:4690)
[  463.164583][   T70]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[  463.164585][   T70]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[  463.164589][   T70]  ? hvc_write (drivers/tty/hvc/hvc_console.c:501)
[  463.164592][   T70]  ? console_emit_next_record (kernel/printk/printk.c:3095 (discriminator 2) kernel/printk/printk.c:3182 (discriminator 2))
[  463.164595][   T70]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  463.164598][   T70]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  463.164602][   T70]  console_emit_next_record (kernel/printk/printk.c:3183)
[  463.164606][   T70]  ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20)
[  463.164608][   T70]  ? console_flush_one_record (./include/linux/rcupdate.h:314 (discriminator 2) ./include/linux/srcu.h:439 (discriminator 2) kernel/printk/printk.c:291 (discriminator 2) kernel/printk/printk.c:3246 (discriminator 2))
[  463.164612][   T70]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  463.164614][   T70]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  463.164618][   T70]  console_flush_one_record (kernel/printk/printk.c:3268)
[  463.164622][   T70]  ? console_emit_next_record (kernel/printk/printk.c:3150)
[  463.164625][   T70]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[  463.164630][   T70]  console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420)
[  463.164633][   T70]  ? console_flush_one_record (kernel/printk/printk.c:3316)
[  463.164635][   T70]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  463.164637][   T70]  ? 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)
[  463.164641][   T70]  ? __down_trylock_console_sem (kernel/printk/printk.c:334)
[  463.164643][   T70]  ? vprintk_emit (kernel/printk/printk.c:2478)
[  463.164646][   T70]  vprintk_emit (kernel/printk/printk.c:2479)
[  463.164650][   T70]  ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126))
[  463.164653][   T70]  ? net_disable_timestamp (./include/linux/workqueue.h:761)
[  463.164655][   T70]  ? net_generic (./include/linux/rcupdate.h:882 ./include/net/netns/generic.h:48) vxlan
[  463.164664][   T70]  _printk (kernel/printk/printk.c:2504)
[  463.164668][   T70]  ? snapshot_read.cold (user.c:?)
[  463.164677][   T70]  ? netdev_name (./include/linux/netdevice.h:5709 (discriminator 1))
[  463.164681][   T70]  ? __netdev_printk (net/core/dev.c:13148 (discriminator 2))
[  463.164685][   T70]  netdev_info (net/core/dev.c:13195 (discriminator 3))
[  463.164688][   T70]  ? netdev_notice (net/core/dev.c:13194)
[  463.164690][   T70]  ? __netdev_upper_dev_unlink (net/core/dev.c:9094)
[  463.164694][   T70]  ? synchronize_rcu_expedited (kernel/rcu/tree_exp.h:985)
[  463.164700][   T70]  ? 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)
[  463.164703][   T70]  __dev_set_promiscuity.cold (net/core/dev.c:9672 (discriminator 3))
[  463.164706][   T70]  netif_set_promiscuity (net/core/dev.c:9699)
[  463.164711][   T70]  dev_set_promiscuity (net/core/dev_api.c:288)
[  463.164713][   T70]  ? rtnl_is_locked (net/core/rtnetlink.c:169)
[  463.164716][   T70] ovs_netdev_detach_dev (net/openvswitch/vport-netdev.c:174) openvswitch
[  463.164723][   T70] dp_device_event (net/openvswitch/dp_notify.c:74) openvswitch
[  463.164728][   T70]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  463.164730][   T70]  notifier_call_chain (kernel/notifier.c:85)
[  463.164736][   T70]  unregister_netdevice_many_notify (net/core/dev.c:2313 net/core/dev.c:2327 net/core/dev.c:12518)
[  463.164741][   T70]  ? unregister_netdevice_queued (./include/linux/list.h:419 (discriminator 3))
[  463.164749][   T70]  default_device_exit_batch (net/core/dev.c:12589 net/core/dev.c:13288)
[  463.164753][   T70]  ? unregister_netdevice_queue (./include/linux/list.h:173)
[  463.164756][   T70]  ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3))
[  463.164759][   T70]  ? fou_exit_net (net/ipv4/fou_core.c:1228)
[  463.164764][   T70]  ops_undo_list (net/core/net_namespace.c:206 net/core/net_namespace.c:253)
[  463.164770][   T70]  ? lockdep_hardirqs_on (kernel/locking/lockdep.c:4488)
[  463.164774][   T70]  ? netns_install (./include/linux/ns_common.h:26)
[  463.164776][   T70]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554)
[  463.164779][   T70]  ? idr_destroy (lib/radix-tree.c:310 lib/radix-tree.c:674 lib/radix-tree.c:1563)
[  463.164784][   T70]  cleanup_net (net/core/net_namespace.c:706)
[  463.164788][   T70]  ? net_passive_dec (./include/linux/llist.h:241)
[  463.164792][   T70]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  463.164794][   T70]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  463.164798][   T70]  process_one_work (kernel/workqueue.c:3387)
[  463.164805][   T70]  ? __queue_delayed_work (kernel/workqueue.c:2622)
[  463.164808][   T70]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2))
[  463.164816][   T70]  worker_thread (kernel/workqueue.c:3470 kernel/workqueue.c:3551)
[  463.164820][   T70]  ? rescuer_thread (./include/linux/list.h:419 (discriminator 3))
[  463.164823][   T70]  ? __kthread_parkme (./include/linux/instrumented.h:82 ./include/asm-generic/bitops/instrumented-non-atomic.h:141 kernel/kthread.c:272)
[  463.164826][   T70]  ? rescuer_thread (./include/linux/list.h:419 (discriminator 3))
[  463.164829][   T70]  ? rescuer_thread (./include/linux/list.h:419 (discriminator 3))
[  463.164831][   T70]  kthread (kernel/kthread.c:436)
[  463.164833][   T70]  ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22))
[  463.164837][   T70]  ? kthread_affine_preferred (kernel/kthread.c:857)
[  463.164840][   T70]  ret_from_fork (arch/x86/kernel/process.c:158)
[  463.164844][   T70]  ? arch_exit_to_user_mode_prepare.isra.0 (arch/x86/entry/vdso/vma.c:80 (discriminator 1))
[  463.164848][   T70]  ? __switch_to (arch/x86/kernel/process_64.c:403 arch/x86/kernel/process_64.c:663)
[  463.164852][   T70]  ? kthread_affine_preferred (kernel/kthread.c:857)
[  463.164855][   T70]  ret_from_fork_asm (arch/x86/entry/entry_64.S:245)
| [  464.916582][T12627] softirqs last disabled at (374834): inet6_fill_ifla6_attrs (net/ipv6/addrconf.c:5883)
| [  464.916585][T12627] Preemption disabled at:
| [  464.916585][T12627] vprintk_emit (kernel/printk/printk.c:2471)
| [  464.916594][T12627] Tainted: [W]=WARN
[  464.916596][T12627] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[  464.916597][T12627] Call Trace:
[  464.916599][T12627]  <TASK>
[  464.916601][T12627]  dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120)
[  464.916607][T12627]  ? vprintk_emit (kernel/printk/printk.c:2471)
[  464.916609][T12627]  __might_resched.cold (kernel/sched/core.c:9234)
[  464.916613][T12627]  ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3))
[  464.916618][T12627]  ? __kmalloc_noprof (./include/linux/sched/mm.h:317 mm/slub.c:4636 mm/slub.c:4974 mm/slub.c:5413 mm/slub.c:5439)
[  464.916622][T12627]  __kmalloc_noprof (./include/linux/sched/mm.h:322 (discriminator 2) mm/slub.c:4636 (discriminator 2) mm/slub.c:4974 (discriminator 2) mm/slub.c:5413 (discriminator 2) mm/slub.c:5439 (discriminator 2))
[  464.916625][T12627]  ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[  464.916632][T12627]  ? do_raw_spin_unlock (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:32 ./include/asm-generic/qspinlock.h:58 kernel/locking/spinlock_debug.c:101 kernel/locking/spinlock_debug.c:141)
[  464.916635][T12627]  alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[  464.916639][T12627]  put_chars (drivers/char/virtio_console.c:1176)
[  464.916641][T12627]  ? __send_to_port (drivers/char/virtio_console.c:654)
[  464.916643][T12627]  ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4116 (discriminator 3) kernel/rcu/tree.c:4108 (discriminator 3))
[  464.916647][T12627]  ? validate_chain (kernel/locking/lockdep.c:3817 (discriminator 2) kernel/locking/lockdep.c:3837 (discriminator 2) kernel/locking/lockdep.c:3892 (discriminator 2))
[  464.916653][T12627]  hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2))
[  464.916661][T12627]  ? hvc_write (drivers/tty/hvc/hvc_console.c:501)
[  464.916664][T12627]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  464.916666][T12627]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  464.916670][T12627]  console_emit_next_record (kernel/printk/printk.c:3183)
[  464.916680][T12627]  ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20)
[  464.916682][T12627]  ? console_flush_one_record (./include/linux/rcupdate.h:314 (discriminator 2) ./include/linux/srcu.h:439 (discriminator 2) kernel/printk/printk.c:291 (discriminator 2) kernel/printk/printk.c:3246 (discriminator 2))
[  464.916686][T12627]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  464.916688][T12627]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  464.916692][T12627]  console_flush_one_record (kernel/printk/printk.c:3268)
[  464.916697][T12627]  ? console_emit_next_record (kernel/printk/printk.c:3150)
[  464.916699][T12627]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[  464.916705][T12627]  console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420)
[  464.916708][T12627]  ? console_flush_one_record (kernel/printk/printk.c:3316)
[  464.916710][T12627]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  464.916711][T12627]  ? 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)
[  464.916715][T12627]  ? __down_trylock_console_sem (kernel/printk/printk.c:334)
[  464.916717][T12627]  ? vprintk_emit (kernel/printk/printk.c:2478)
[  464.916720][T12627]  vprintk_emit (kernel/printk/printk.c:2479)
[  464.916724][T12627]  ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126))
[  464.916727][T12627]  ? net_disable_timestamp (./include/linux/workqueue.h:761)
[  464.916730][T12627]  ? net_generic (./include/linux/rcupdate.h:882 ./include/net/netns/generic.h:48) vxlan
[  464.916738][T12627]  _printk (kernel/printk/printk.c:2504)
[  464.916742][T12627]  ? snapshot_read.cold (user.c:?)
[  464.916747][T12627]  ? netdev_name (./include/linux/netdevice.h:5709 (discriminator 1))
[  464.916751][T12627]  ? __netdev_printk (net/core/dev.c:13148 (discriminator 2))
[  464.916755][T12627]  netdev_info (net/core/dev.c:13195 (discriminator 3))
[  464.916758][T12627]  ? netdev_notice (net/core/dev.c:13194)
[  464.916760][T12627]  ? __netdev_upper_dev_unlink (net/core/dev.c:9094)
[  464.916764][T12627]  ? synchronize_rcu_expedited (kernel/rcu/tree_exp.h:985)
[  464.916774][T12627]  ? 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)
[  464.916777][T12627]  __dev_set_promiscuity.cold (net/core/dev.c:9672 (discriminator 3))
[  464.916780][T12627]  netif_set_promiscuity (net/core/dev.c:9699)
[  464.916784][T12627]  dev_set_promiscuity (net/core/dev_api.c:288)
[  464.916786][T12627]  ? rtnl_is_locked (net/core/rtnetlink.c:169)
[  464.916790][T12627] ovs_netdev_detach_dev (net/openvswitch/vport-netdev.c:174) openvswitch
[  464.916795][T12627]  ? netdev_destroy (net/openvswitch/vport-netdev.c:189) openvswitch
[  464.916799][T12627] netdev_destroy (net/openvswitch/vport-netdev.c:194) openvswitch
[  464.916804][T12627] ovs_vport_cmd_del (net/openvswitch/datapath.c:2505) openvswitch
[  464.916812][T12627]  genl_family_rcv_msg_doit (net/netlink/genetlink.c:1114)
[  464.916816][T12627]  ? genl_family_rcv_msg_attrs_parse.isra.0 (./include/net/netlink.h:785 (discriminator 2))
[  464.916824][T12627]  ? security_capable (security/security.c:660 (discriminator 11))
[  464.916829][T12627]  genl_family_rcv_msg (net/netlink/genetlink.c:1194)
[  464.916833][T12627]  ? genl_family_rcv_msg_dumpit (net/netlink/genetlink.c:1079)
[  464.916836][T12627]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380)
[  464.916839][T12627]  ? ovs_dp_detach_port (./include/linux/list.h:1047 (discriminator 2)) openvswitch
[  464.916844][T12627]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[  464.916850][T12627]  genl_rcv_msg (net/netlink/genetlink.c:1209)
[  464.916853][T12627]  netlink_rcv_skb (net/netlink/af_netlink.c:2556)
[  464.916856][T12627]  ? genl_family_rcv_msg (net/netlink/genetlink.c:1136 (discriminator 2))
[  464.916859][T12627]  ? netlink_ack (./include/linux/skbuff.h:2718)
[  464.916867][T12627]  ? 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))
[  464.916869][T12627]  ? 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))
[  464.916873][T12627]  genl_rcv (net/netlink/genetlink.c:1218)
[  464.916875][T12627]  netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[  464.916880][T12627]  ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[  464.916884][T12627]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[  464.916887][T12627]  netlink_sendmsg (net/netlink/af_netlink.c:1900)
[  464.916892][T12627]  ? netlink_unicast (./include/net/net_namespace.h:422 (discriminator 7))
[  464.916894][T12627]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[  464.916897][T12627]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554)
[  464.916902][T12627]  __sock_sendmsg (net/socket.c:800 (discriminator 4) net/socket.c:815 (discriminator 4))
[  464.916905][T12627]  ? fdget (fs/file.c:1200 fs/file.c:1208)
[  464.916909][T12627]  __sys_sendto (net/socket.c:2281)
[  464.916912][T12627]  ? __ia32_sys_getpeername (net/socket.c:2235)
[  464.916924][T12627]  ? exc_page_fault (arch/x86/mm/fault.c:1483 arch/x86/mm/fault.c:1536)
[  464.916931][T12627]  __x64_sys_sendto (net/socket.c:2288 net/socket.c:2284 net/socket.c:2284)
[  464.916933][T12627]  ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22))
[  464.916937][T12627]  ? lockdep_hardirqs_on (kernel/locking/lockdep.c:4488)
[  464.916939][T12627]  ? do_syscall_64 (arch/x86/entry/syscall_64.c:81 (discriminator 44))
[  464.916941][T12627]  do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84)
[  464.916944][T12627]  ? exc_page_fault (arch/x86/mm/fault.c:1489 (discriminator 3) arch/x86/mm/fault.c:1536 (discriminator 3))
[  464.916946][T12627]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[  464.916949][T12627] RIP: 0033:0x7f2257af1312
[  464.916952][T12627] 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)
[  464.916954][T12627] RSP: 002b:00007ffc22479eb8 EFLAGS: 00000246 ORIG_RAX: 000000000000002c
[  464.916957][T12627] RAX: ffffffffffffffda RBX: 00007ffc22479fe8 RCX: 00007f2257af1312
[  464.916959][T12627] RDX: 0000000000000028 RSI: 00007f2254744cc0 RDI: 0000000000000023
[  464.916960][T12627] RBP: 00007ffc22479ee0 R08: 00007ffc2247a060 R09: 000000000000000c
[  464.916961][T12627] R10: 0000000000000000 R11: 0000000000000246 R12: 00007f2255949fd0
[  464.916961][T12627] R13: 00007ffc22479fe8 R14: 00007f225741001a R15: 00007ffc2247a3d8
| [  468.559298][T12735] softirqs last disabled at (382092): __alloc_skb (./include/linux/bottom_half.h:20 (discriminator 2) net/core/skbuff.c:697 (discriminator 2))
| [  468.559301][T12735] Preemption disabled at:
| [  468.559302][T12735] vprintk_emit (kernel/printk/printk.c:2471)
| [  468.559311][T12735] Tainted: [W]=WARN
[  468.559312][T12735] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[  468.559313][T12735] Call Trace:
[  468.559315][T12735]  <TASK>
[  468.559317][T12735]  dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120)
[  468.559323][T12735]  ? vprintk_emit (kernel/printk/printk.c:2471)
[  468.559325][T12735]  __might_resched.cold (kernel/sched/core.c:9234)
[  468.559330][T12735]  ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3))
[  468.559334][T12735]  ? __kmalloc_noprof (./include/linux/sched/mm.h:317 mm/slub.c:4636 mm/slub.c:4974 mm/slub.c:5413 mm/slub.c:5439)
[  468.559339][T12735]  __kmalloc_noprof (./include/linux/sched/mm.h:322 (discriminator 2) mm/slub.c:4636 (discriminator 2) mm/slub.c:4974 (discriminator 2) mm/slub.c:5413 (discriminator 2) mm/slub.c:5439 (discriminator 2))
[  468.559341][T12735]  ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[  468.559348][T12735]  ? do_raw_spin_unlock (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:32 ./include/asm-generic/qspinlock.h:58 kernel/locking/spinlock_debug.c:101 kernel/locking/spinlock_debug.c:141)
[  468.559351][T12735]  alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[  468.559355][T12735]  put_chars (drivers/char/virtio_console.c:1176)
[  468.559357][T12735]  ? __send_to_port (drivers/char/virtio_console.c:654)
[  468.559360][T12735]  ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4116 (discriminator 3) kernel/rcu/tree.c:4108 (discriminator 3))
[  468.559363][T12735]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380)
[  468.559366][T12735]  ? validate_chain (kernel/locking/lockdep.c:3817 (discriminator 2) kernel/locking/lockdep.c:3837 (discriminator 2) kernel/locking/lockdep.c:3892 (discriminator 2))
[  468.559371][T12735]  hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2))
[  468.559375][T12735]  ? mark_usage (kernel/locking/lockdep.c:4690)
[  468.559377][T12735]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[  468.559379][T12735]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[  468.559383][T12735]  ? hvc_write (drivers/tty/hvc/hvc_console.c:501)
[  468.559385][T12735]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2))
[  468.559390][T12735]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  468.559394][T12735]  console_emit_next_record (kernel/printk/printk.c:3183)
[  468.559398][T12735]  ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20)
[  468.559400][T12735]  ? console_flush_one_record (./include/linux/rcupdate.h:314 (discriminator 2) ./include/linux/srcu.h:439 (discriminator 2) kernel/printk/printk.c:291 (discriminator 2) kernel/printk/printk.c:3246 (discriminator 2))
[  468.559404][T12735]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  468.559406][T12735]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  468.559410][T12735]  console_flush_one_record (kernel/printk/printk.c:3268)
[  468.559415][T12735]  ? console_emit_next_record (kernel/printk/printk.c:3150)
[  468.559417][T12735]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[  468.559422][T12735]  console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420)
[  468.559425][T12735]  ? console_flush_one_record (kernel/printk/printk.c:3316)
[  468.559427][T12735]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  468.559429][T12735]  ? 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)
[  468.559433][T12735]  ? __down_trylock_console_sem (kernel/printk/printk.c:334)
[  468.559435][T12735]  ? vprintk_emit (kernel/printk/printk.c:2478)
[  468.559438][T12735]  vprintk_emit (kernel/printk/printk.c:2479)
[  468.559441][T12735]  ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126))
[  468.559444][T12735]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554)
[  468.559445][T12735]  ? genl_family_rcv_msg (net/netlink/genetlink.c:1194)
[  468.559450][T12735]  _printk (kernel/printk/printk.c:2504)
[  468.559454][T12735]  ? snapshot_read.cold (user.c:?)
[  468.559456][T12735]  ? ___ratelimit (lib/ratelimit.c:97 (discriminator 3))
[  468.559462][T12735]  ? idr_get_free (??:?)
[  468.559467][T12735]  validate_nla.cold (lib/nlattr.c:414 (discriminator 4))
[  468.559476][T12735]  ? nla_get_range_signed (lib/nlattr.c:270)
[  468.559482][T12735]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  468.559484][T12735]  ? trace_kmalloc (./include/trace/events/kmem.h:57 (discriminator 22))
[  468.559488][T12735]  __nla_validate_parse (lib/nlattr.c:635)
[  468.559494][T12735]  __nla_parse (lib/nlattr.c:732)
[  468.559497][T12735]  genl_family_rcv_msg_attrs_parse.isra.0 (./include/net/netlink.h:789 (discriminator 2) net/netlink/genetlink.c:944 (discriminator 2))
[  468.559502][T12735]  genl_family_rcv_msg_doit (net/netlink/genetlink.c:1092)
[  468.559506][T12735]  ? genl_family_rcv_msg_attrs_parse.isra.0 (./include/net/netlink.h:785 (discriminator 2))
[  468.559514][T12735]  ? security_capable (security/security.c:660 (discriminator 11))
[  468.559519][T12735]  genl_family_rcv_msg (net/netlink/genetlink.c:1194)
[  468.559522][T12735]  ? genl_family_rcv_msg_dumpit (net/netlink/genetlink.c:1079)
[  468.559525][T12735]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380)
[  468.559528][T12735]  ? ovs_dp_cmd_get (./include/net/net_namespace.h:422 (discriminator 7)) openvswitch
[  468.559536][T12735]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[  468.559542][T12735]  genl_rcv_msg (net/netlink/genetlink.c:1209)
[  468.559546][T12735]  netlink_rcv_skb (net/netlink/af_netlink.c:2556)
[  468.559548][T12735]  ? genl_family_rcv_msg (net/netlink/genetlink.c:1136 (discriminator 2))
[  468.559552][T12735]  ? netlink_ack (./include/linux/skbuff.h:2718)
[  468.559559][T12735]  ? 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))
[  468.559561][T12735]  ? 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))
[  468.559565][T12735]  genl_rcv (net/netlink/genetlink.c:1218)
[  468.559568][T12735]  netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[  468.559572][T12735]  ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[  468.559576][T12735]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[  468.559580][T12735]  netlink_sendmsg (net/netlink/af_netlink.c:1900)
[  468.559584][T12735]  ? netlink_unicast (./include/net/net_namespace.h:422 (discriminator 7))
[  468.559586][T12735]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[  468.559589][T12735]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554)
[  468.559594][T12735]  __sock_sendmsg (net/socket.c:800 (discriminator 4) net/socket.c:815 (discriminator 4))
[  468.559597][T12735]  ? fdget (fs/file.c:1200 fs/file.c:1208)
[  468.559601][T12735]  __sys_sendto (net/socket.c:2281)
[  468.559605][T12735]  ? __ia32_sys_getpeername (net/socket.c:2235)
[  468.559616][T12735]  ? fput_close_sync (fs/file_table.c:617)
[  468.559619][T12735]  ? alloc_file_clone (fs/file_table.c:479)
[  468.559624][T12735]  __x64_sys_sendto (net/socket.c:2288 net/socket.c:2284 net/socket.c:2284)
[  468.559626][T12735]  ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22))
[  468.559630][T12735]  ? lockdep_hardirqs_on (kernel/locking/lockdep.c:4488)
[  468.559633][T12735]  ? do_syscall_64 (arch/x86/entry/syscall_64.c:81 (discriminator 44))
[  468.559635][T12735]  do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84)
[  468.559637][T12735]  ? exc_page_fault (arch/x86/mm/fault.c:1489 (discriminator 3) arch/x86/mm/fault.c:1536 (discriminator 3))
[  468.559640][T12735]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[  468.559642][T12735] RIP: 0033:0x7f1210ad6312
[  468.559646][T12735] 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)
[  468.559648][T12735] RSP: 002b:00007fff764a9a68 EFLAGS: 00000246 ORIG_RAX: 000000000000002c
[  468.559650][T12735] RAX: ffffffffffffffda RBX: 00007fff764a9b98 RCX: 00007f1210ad6312
[  468.559652][T12735] RDX: 0000000000000044 RSI: 00007f120c6a6880 RDI: 0000000000000020
[  468.559653][T12735] RBP: 00007fff764a9a90 R08: 00007fff764a9c10 R09: 000000000000000c
[  468.559654][T12735] R10: 0000000000000000 R11: 0000000000000246 R12: 00007f120e93a0b0
[  468.559655][T12735] R13: 00007fff764a9b98 R14: 00007f12103f501a R15: 00007fff764a9f88
| [  469.675558][T12765] softirqs last disabled at (378540): inet6_fill_ifla6_attrs (net/ipv6/addrconf.c:5883)
| [  469.675560][T12765] Preemption disabled at:
| [  469.675561][T12765] vprintk_emit (kernel/printk/printk.c:2471)
| [  469.675570][T12765] Tainted: [W]=WARN
[  469.675571][T12765] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[  469.675572][T12765] Call Trace:
[  469.675574][T12765]  <TASK>
[  469.675575][T12765]  dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120)
[  469.675582][T12765]  ? vprintk_emit (kernel/printk/printk.c:2471)
[  469.675583][T12765]  __might_resched.cold (kernel/sched/core.c:9234)
[  469.675588][T12765]  ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3))
[  469.675593][T12765]  ? __kmalloc_noprof (./include/linux/sched/mm.h:317 mm/slub.c:4636 mm/slub.c:4974 mm/slub.c:5413 mm/slub.c:5439)
[  469.675597][T12765]  __kmalloc_noprof (./include/linux/sched/mm.h:322 (discriminator 2) mm/slub.c:4636 (discriminator 2) mm/slub.c:4974 (discriminator 2) mm/slub.c:5413 (discriminator 2) mm/slub.c:5439 (discriminator 2))
[  469.675599][T12765]  ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[  469.675606][T12765]  ? do_raw_spin_unlock (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:32 ./include/asm-generic/qspinlock.h:58 kernel/locking/spinlock_debug.c:101 kernel/locking/spinlock_debug.c:141)
[  469.675609][T12765]  alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[  469.675613][T12765]  put_chars (drivers/char/virtio_console.c:1176)
[  469.675616][T12765]  ? __send_to_port (drivers/char/virtio_console.c:654)
[  469.675619][T12765]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380)
[  469.675623][T12765]  ? validate_chain (kernel/locking/lockdep.c:3817 (discriminator 2) kernel/locking/lockdep.c:3837 (discriminator 2) kernel/locking/lockdep.c:3892 (discriminator 2))
[  469.675627][T12765]  hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2))
[  469.675631][T12765]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[  469.675633][T12765]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[  469.675638][T12765]  ? hvc_write (drivers/tty/hvc/hvc_console.c:501)
[  469.675642][T12765]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  469.675644][T12765]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  469.675649][T12765]  console_emit_next_record (kernel/printk/printk.c:3183)
[  469.675653][T12765]  ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20)
[  469.675655][T12765]  ? console_flush_one_record (./include/linux/rcupdate.h:314 (discriminator 2) ./include/linux/srcu.h:439 (discriminator 2) kernel/printk/printk.c:291 (discriminator 2) kernel/printk/printk.c:3246 (discriminator 2))
[  469.675659][T12765]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  469.675660][T12765]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  469.675665][T12765]  console_flush_one_record (kernel/printk/printk.c:3268)
[  469.675669][T12765]  ? console_emit_next_record (kernel/printk/printk.c:3150)
[  469.675671][T12765]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[  469.675677][T12765]  console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420)
[  469.675680][T12765]  ? console_flush_one_record (kernel/printk/printk.c:3316)
[  469.675688][T12765]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  469.675690][T12765]  ? 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)
[  469.675694][T12765]  ? __down_trylock_console_sem (kernel/printk/printk.c:334)
[  469.675696][T12765]  ? vprintk_emit (kernel/printk/printk.c:2478)
[  469.675699][T12765]  vprintk_emit (kernel/printk/printk.c:2479)
[  469.675702][T12765]  ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126))
[  469.675708][T12765]  _printk (kernel/printk/printk.c:2504)
[  469.675711][T12765]  ? snapshot_read.cold (user.c:?)
[  469.675714][T12765]  ? lockdep_rtnl_is_held (./include/linux/lockdep.h:249 net/core/rtnetlink.c:182)
[  469.675718][T12765]  ? netdev_upper_get_next_dev_rcu (net/core/dev.c:8213 (discriminator 5))
[  469.675722][T12765]  ? __netdev_update_features (net/core/dev.c:11078 (discriminator 2))
[  469.675724][T12765]  ? netdev_name (./include/linux/netdevice.h:5709 (discriminator 1))
[  469.675728][T12765]  ? __netdev_printk (net/core/dev.c:13148 (discriminator 2))
[  469.675732][T12765]  netdev_info (net/core/dev.c:13195 (discriminator 3))
[  469.675735][T12765]  ? netdev_notice (net/core/dev.c:13194)
[  469.675737][T12765]  ? ovs_netdev_link (net/openvswitch/vport-netdev.c:85) openvswitch
[  469.675747][T12765]  ? 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)
[  469.675749][T12765]  __dev_set_promiscuity.cold (net/core/dev.c:9672 (discriminator 3))
[  469.675753][T12765]  netif_set_promiscuity (net/core/dev.c:9699)
[  469.675757][T12765]  dev_set_promiscuity (net/core/dev_api.c:288)
[  469.675759][T12765]  ? dev_disable_lro (net/core/dev_api.c:267)
[  469.675762][T12765] ovs_netdev_link (net/openvswitch/vport-netdev.c:106) openvswitch
[  469.675770][T12765] ovs_vport_add (net/openvswitch/vport.c:209) openvswitch
[  469.675775][T12765] new_vport (net/openvswitch/datapath.c:203) openvswitch
[  469.675780][T12765]  ? ovs_lookup_vport (./include/linux/lockdep.h:249 net/openvswitch/datapath.c:120 net/openvswitch/datapath.c:117 net/openvswitch/datapath.c:190) openvswitch
[  469.675785][T12765] ovs_vport_cmd_new (net/openvswitch/datapath.c:2389) openvswitch
[  469.675791][T12765]  ? ovs_vport_cmd_fill_info.isra.0 (./include/net/netlink.h:1107 (discriminator 1)) openvswitch
[  469.675795][T12765]  ? __nla_validate_parse (lib/nlattr.c:635)
[  469.675802][T12765]  ? __nla_parse (lib/nlattr.c:732)
[  469.675804][T12765]  ? genl_family_rcv_msg_attrs_parse.isra.0 (./include/net/netlink.h:789 (discriminator 2) net/netlink/genetlink.c:944 (discriminator 2))
[  469.675810][T12765]  genl_family_rcv_msg_doit (net/netlink/genetlink.c:1114)
[  469.675813][T12765]  ? genl_family_rcv_msg_attrs_parse.isra.0 (./include/net/netlink.h:785 (discriminator 2))
[  469.675822][T12765]  ? security_capable (security/security.c:660 (discriminator 11))
[  469.675827][T12765]  genl_family_rcv_msg (net/netlink/genetlink.c:1194)
[  469.675831][T12765]  ? genl_family_rcv_msg_dumpit (net/netlink/genetlink.c:1079)
[  469.675833][T12765]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380)
[  469.675836][T12765]  ? ovs_vport_cmd_fill_info.isra.0 (./include/net/netlink.h:1107 (discriminator 1)) openvswitch
[  469.675840][T12765]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[  469.675846][T12765]  genl_rcv_msg (net/netlink/genetlink.c:1209)
[  469.675850][T12765]  netlink_rcv_skb (net/netlink/af_netlink.c:2556)
[  469.675852][T12765]  ? genl_family_rcv_msg (net/netlink/genetlink.c:1136 (discriminator 2))
[  469.675856][T12765]  ? netlink_ack (./include/linux/skbuff.h:2718)
[  469.675863][T12765]  ? 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))
[  469.675865][T12765]  ? 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))
[  469.675870][T12765]  genl_rcv (net/netlink/genetlink.c:1218)
[  469.675872][T12765]  netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[  469.675876][T12765]  ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[  469.675880][T12765]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[  469.675884][T12765]  netlink_sendmsg (net/netlink/af_netlink.c:1900)
[  469.675888][T12765]  ? netlink_unicast (./include/net/net_namespace.h:422 (discriminator 7))
[  469.675890][T12765]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[  469.675894][T12765]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554)
[  469.675899][T12765]  __sock_sendmsg (net/socket.c:800 (discriminator 4) net/socket.c:815 (discriminator 4))
[  469.675902][T12765]  ? fdget (fs/file.c:1200 fs/file.c:1208)
[  469.675906][T12765]  __sys_sendto (net/socket.c:2281)
[  469.675909][T12765]  ? __ia32_sys_getpeername (net/socket.c:2235)
[  469.675920][T12765]  ? exc_page_fault (arch/x86/mm/fault.c:1483 arch/x86/mm/fault.c:1536)
[  469.675927][T12765]  __x64_sys_sendto (net/socket.c:2288 net/socket.c:2284 net/socket.c:2284)
[  469.675929][T12765]  ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22))
[  469.675933][T12765]  ? lockdep_hardirqs_on (kernel/locking/lockdep.c:4488)
[  469.675935][T12765]  ? do_syscall_64 (arch/x86/entry/syscall_64.c:81 (discriminator 44))
[  469.675938][T12765]  do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84)
[  469.675940][T12765]  ? exc_page_fault (arch/x86/mm/fault.c:1489 (discriminator 3) arch/x86/mm/fault.c:1536 (discriminator 3))
[  469.675943][T12765]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[  469.675945][T12765] RIP: 0033:0x7f06ad3f2312
[  469.675948][T12765] 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)
[  469.675951][T12765] RSP: 002b:00007ffe10ceb178 EFLAGS: 00000246 ORIG_RAX: 000000000000002c
[  469.675954][T12765] RAX: ffffffffffffffda RBX: 00007ffe10ceb2a8 RCX: 00007f06ad3f2312
[  469.675955][T12765] RDX: 0000000000000038 RSI: 00007f06a866a4b0 RDI: 0000000000000023
[  469.675956][T12765] RBP: 00007ffe10ceb1a0 R08: 00007ffe10ceb320 R09: 000000000000000c
[  469.675957][T12765] R10: 0000000000000000 R11: 0000000000000246 R12: 00007f06ab256190
[  469.675958][T12765] R13: 00007ffe10ceb2a8 R14: 00007f06acd1101a R15: 00007ffe10ceb698
| [  479.073710][   T70] softirqs last disabled at (10752058): __neigh_ifdown.isra.0 (./include/linux/spinlock.h:353 net/core/neighbour.c:464)
| [  479.073712][   T70] Preemption disabled at:
| [  479.073713][   T70] vprintk_emit (kernel/printk/printk.c:2471)
| [  479.073721][   T70] Tainted: [W]=WARN
[  479.073723][   T70] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[  479.073724][   T70] Workqueue: netns cleanup_net
[  479.073728][   T70] Call Trace:
[  479.073729][   T70]  <TASK>
[  479.073731][   T70]  dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120)
[  479.073738][   T70]  ? vprintk_emit (kernel/printk/printk.c:2471)
[  479.073740][   T70]  __might_resched.cold (kernel/sched/core.c:9234)
[  479.073744][   T70]  ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3))
[  479.073748][   T70]  ? __kmalloc_noprof (./include/linux/sched/mm.h:317 mm/slub.c:4636 mm/slub.c:4974 mm/slub.c:5413 mm/slub.c:5439)
[  479.073753][   T70]  __kmalloc_noprof (./include/linux/sched/mm.h:322 (discriminator 2) mm/slub.c:4636 (discriminator 2) mm/slub.c:4974 (discriminator 2) mm/slub.c:5413 (discriminator 2) mm/slub.c:5439 (discriminator 2))
[  479.073755][   T70]  ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[  479.073762][   T70]  ? do_raw_spin_unlock (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:32 ./include/asm-generic/qspinlock.h:58 kernel/locking/spinlock_debug.c:101 kernel/locking/spinlock_debug.c:141)
[  479.073764][   T70]  alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[  479.073771][   T70]  put_chars (drivers/char/virtio_console.c:1176)
[  479.073773][   T70]  ? prb_final_commit (kernel/printk/printk_ringbuffer.c:1842)
[  479.073776][   T70]  ? __send_to_port (drivers/char/virtio_console.c:654)
[  479.073779][   T70]  ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4116 (discriminator 3) kernel/rcu/tree.c:4108 (discriminator 3))
[  479.073782][   T70]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380)
[  479.073785][   T70]  ? validate_chain (kernel/locking/lockdep.c:3817 (discriminator 2) kernel/locking/lockdep.c:3837 (discriminator 2) kernel/locking/lockdep.c:3892 (discriminator 2))
[  479.073790][   T70]  hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2))
[  479.073794][   T70]  ? mark_usage (kernel/locking/lockdep.c:4690)
[  479.073796][   T70]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[  479.073798][   T70]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[  479.073802][   T70]  ? hvc_write (drivers/tty/hvc/hvc_console.c:501)
[  479.073805][   T70]  ? console_emit_next_record (kernel/printk/printk.c:3095 (discriminator 2) kernel/printk/printk.c:3182 (discriminator 2))
[  479.073809][   T70]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  479.073811][   T70]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  479.073815][   T70]  console_emit_next_record (kernel/printk/printk.c:3183)
[  479.073819][   T70]  ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20)
[  479.073821][   T70]  ? console_flush_one_record (./include/linux/rcupdate.h:314 (discriminator 2) ./include/linux/srcu.h:439 (discriminator 2) kernel/printk/printk.c:291 (discriminator 2) kernel/printk/printk.c:3246 (discriminator 2))
[  479.073825][   T70]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  479.073827][   T70]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  479.073831][   T70]  console_flush_one_record (kernel/printk/printk.c:3268)
[  479.073836][   T70]  ? console_emit_next_record (kernel/printk/printk.c:3150)
[  479.073838][   T70]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[  479.073844][   T70]  console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420)
[  479.073847][   T70]  ? console_flush_one_record (kernel/printk/printk.c:3316)
[  479.073849][   T70]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  479.073850][   T70]  ? 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)
[  479.073854][   T70]  ? __down_trylock_console_sem (kernel/printk/printk.c:334)
[  479.073856][   T70]  ? vprintk_emit (kernel/printk/printk.c:2478)
[  479.073859][   T70]  vprintk_emit (kernel/printk/printk.c:2479)
[  479.073863][   T70]  ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126))
[  479.073866][   T70]  ? net_disable_timestamp (./include/linux/workqueue.h:761)
[  479.073868][   T70]  ? net_generic (./include/linux/rcupdate.h:882 ./include/net/netns/generic.h:48) vxlan
[  479.073877][   T70]  _printk (kernel/printk/printk.c:2504)
[  479.073881][   T70]  ? snapshot_read.cold (user.c:?)
[  479.073885][   T70]  ? netdev_name (./include/linux/netdevice.h:5709 (discriminator 1))
[  479.073889][   T70]  ? __netdev_printk (net/core/dev.c:13148 (discriminator 2))
[  479.073894][   T70]  netdev_info (net/core/dev.c:13195 (discriminator 3))
[  479.073897][   T70]  ? netdev_notice (net/core/dev.c:13194)
[  479.073899][   T70]  ? __netdev_upper_dev_unlink (net/core/dev.c:9094)
[  479.073903][   T70]  ? synchronize_rcu_expedited (kernel/rcu/tree_exp.h:985)
[  479.073909][   T70]  ? 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)
[  479.073911][   T70]  __dev_set_promiscuity.cold (net/core/dev.c:9672 (discriminator 3))
[  479.073915][   T70]  netif_set_promiscuity (net/core/dev.c:9699)
[  479.073919][   T70]  dev_set_promiscuity (net/core/dev_api.c:288)
[  479.073921][   T70]  ? rtnl_is_locked (net/core/rtnetlink.c:169)
[  479.073924][   T70] ovs_netdev_detach_dev (net/openvswitch/vport-netdev.c:174) openvswitch
[  479.073931][   T70] dp_device_event (net/openvswitch/dp_notify.c:74) openvswitch
[  479.073936][   T70]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  479.073938][   T70]  notifier_call_chain (kernel/notifier.c:85)
[  479.073944][   T70]  unregister_netdevice_many_notify (net/core/dev.c:2313 net/core/dev.c:2327 net/core/dev.c:12518)
[  479.073949][   T70]  ? unregister_netdevice_queued (./include/linux/list.h:419 (discriminator 3))
[  479.073957][   T70]  default_device_exit_batch (net/core/dev.c:12589 net/core/dev.c:13288)
[  479.073961][   T70]  ? unregister_netdevice_queue (./include/linux/list.h:173)
[  479.073964][   T70]  ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3))
[  479.073966][   T70]  ? fou_exit_net (net/ipv4/fou_core.c:1228)
[  479.073971][   T70]  ops_undo_list (net/core/net_namespace.c:206 net/core/net_namespace.c:253)
[  479.073975][   T70]  ? lockdep_hardirqs_on (kernel/locking/lockdep.c:4488)
[  479.073979][   T70]  ? netns_install (./include/linux/ns_common.h:26)
[  479.073981][   T70]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554)
[  479.073984][   T70]  ? idr_destroy (lib/radix-tree.c:310 lib/radix-tree.c:674 lib/radix-tree.c:1563)
[  479.073989][   T70]  cleanup_net (net/core/net_namespace.c:706)
[  479.073993][   T70]  ? net_passive_dec (./include/linux/llist.h:241)
[  479.073997][   T70]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  479.073999][   T70]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  479.074002][   T70]  process_one_work (kernel/workqueue.c:3387)
[  479.074009][   T70]  ? __queue_delayed_work (kernel/workqueue.c:2622)
[  479.074013][   T70]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2))
[  479.074021][   T70]  worker_thread (kernel/workqueue.c:3470 kernel/workqueue.c:3551)
[  479.074025][   T70]  ? rescuer_thread (./include/linux/list.h:419 (discriminator 3))
[  479.074027][   T70]  ? __kthread_parkme (./include/linux/instrumented.h:82 ./include/asm-generic/bitops/instrumented-non-atomic.h:141 kernel/kthread.c:272)
[  479.074030][   T70]  ? rescuer_thread (./include/linux/list.h:419 (discriminator 3))
[  479.074034][   T70]  ? rescuer_thread (./include/linux/list.h:419 (discriminator 3))
[  479.074036][   T70]  kthread (kernel/kthread.c:436)
[  479.074038][   T70]  ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22))
[  479.074042][   T70]  ? kthread_affine_preferred (kernel/kthread.c:857)
[  479.074045][   T70]  ret_from_fork (arch/x86/kernel/process.c:158)
[  479.074049][   T70]  ? arch_exit_to_user_mode_prepare.isra.0 (arch/x86/entry/vdso/vma.c:80 (discriminator 1))
[  479.074053][   T70]  ? __switch_to (arch/x86/kernel/process_64.c:403 arch/x86/kernel/process_64.c:663)
[  479.074056][   T70]  ? kthread_affine_preferred (kernel/kthread.c:857)
[  479.074059][   T70]  ret_from_fork_asm (arch/x86/entry/entry_64.S:245)
| [  480.813098][T13005] softirqs last disabled at (376441): __irq_exit_rcu (kernel/softirq.c:679 kernel/softirq.c:519 kernel/softirq.c:767)
| [  480.813100][T13005] Preemption disabled at:
| [  480.813101][T13005] vprintk_emit (kernel/printk/printk.c:2471)
| [  480.813110][T13005] Tainted: [W]=WARN
[  480.813111][T13005] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[  480.813113][T13005] Call Trace:
[  480.813115][T13005]  <TASK>
[  480.813116][T13005]  dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120)
[  480.813122][T13005]  ? vprintk_emit (kernel/printk/printk.c:2471)
[  480.813124][T13005]  __might_resched.cold (kernel/sched/core.c:9234)
[  480.813129][T13005]  ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3))
[  480.813133][T13005]  ? __kmalloc_noprof (./include/linux/sched/mm.h:317 mm/slub.c:4636 mm/slub.c:4974 mm/slub.c:5413 mm/slub.c:5439)
[  480.813138][T13005]  __kmalloc_noprof (./include/linux/sched/mm.h:322 (discriminator 2) mm/slub.c:4636 (discriminator 2) mm/slub.c:4974 (discriminator 2) mm/slub.c:5413 (discriminator 2) mm/slub.c:5439 (discriminator 2))
[  480.813140][T13005]  ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[  480.813147][T13005]  ? do_raw_spin_unlock (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:32 ./include/asm-generic/qspinlock.h:58 kernel/locking/spinlock_debug.c:101 kernel/locking/spinlock_debug.c:141)
[  480.813150][T13005]  alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[  480.813154][T13005]  put_chars (drivers/char/virtio_console.c:1176)
[  480.813157][T13005]  ? __send_to_port (drivers/char/virtio_console.c:654)
[  480.813158][T13005]  ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4116 (discriminator 3) kernel/rcu/tree.c:4108 (discriminator 3))
[  480.813162][T13005]  ? validate_chain (kernel/locking/lockdep.c:3817 (discriminator 2) kernel/locking/lockdep.c:3837 (discriminator 2) kernel/locking/lockdep.c:3892 (discriminator 2))
[  480.813168][T13005]  hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2))
[  480.813176][T13005]  ? hvc_write (drivers/tty/hvc/hvc_console.c:501)
[  480.813178][T13005]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  480.813180][T13005]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  480.813185][T13005]  console_emit_next_record (kernel/printk/printk.c:3183)
[  480.813189][T13005]  ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20)
[  480.813191][T13005]  ? console_flush_one_record (./include/linux/rcupdate.h:314 (discriminator 2) ./include/linux/srcu.h:439 (discriminator 2) kernel/printk/printk.c:291 (discriminator 2) kernel/printk/printk.c:3246 (discriminator 2))
[  480.813195][T13005]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  480.813197][T13005]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  480.813201][T13005]  console_flush_one_record (kernel/printk/printk.c:3268)
[  480.813206][T13005]  ? console_emit_next_record (kernel/printk/printk.c:3150)
[  480.813208][T13005]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[  480.813213][T13005]  console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420)
[  480.813216][T13005]  ? console_flush_one_record (kernel/printk/printk.c:3316)
[  480.813219][T13005]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  480.813221][T13005]  ? lock_acquire (./include/linux/srcutree.h:374 ./include/linux/srcu.h:541 ./include/linux/srcu.h:645 ./include/trace/events/lock.h:23 ./include/trace/events/lock.h:23 kernel/locking/lockdep.c:5871)
[  480.813225][T13005]  ? __down_trylock_console_sem (kernel/printk/printk.c:334)
[  480.813227][T13005]  ? vprintk_emit (kernel/printk/printk.c:2478)
[  480.813230][T13005]  vprintk_emit (kernel/printk/printk.c:2479)
[  480.813233][T13005]  ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126))
[  480.813236][T13005]  ? net_disable_timestamp (./include/linux/workqueue.h:761)
[  480.813239][T13005]  ? net_generic (./include/linux/rcupdate.h:882 ./include/net/netns/generic.h:48) vxlan
[  480.813248][T13005]  _printk (kernel/printk/printk.c:2504)
[  480.813251][T13005]  ? snapshot_read.cold (user.c:?)
[  480.813256][T13005]  ? netdev_name (./include/linux/netdevice.h:5709 (discriminator 1))
[  480.813260][T13005]  ? __netdev_printk (net/core/dev.c:13148 (discriminator 2))
[  480.813264][T13005]  netdev_info (net/core/dev.c:13195 (discriminator 3))
[  480.813267][T13005]  ? netdev_notice (net/core/dev.c:13194)
[  480.813269][T13005]  ? __netdev_upper_dev_unlink (net/core/dev.c:9094)
[  480.813274][T13005]  ? synchronize_rcu_expedited (kernel/rcu/tree_exp.h:985)
[  480.813279][T13005]  ? 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)
[  480.813282][T13005]  __dev_set_promiscuity.cold (net/core/dev.c:9672 (discriminator 3))
[  480.813286][T13005]  netif_set_promiscuity (net/core/dev.c:9699)
[  480.813290][T13005]  dev_set_promiscuity (net/core/dev_api.c:288)
[  480.813292][T13005]  ? rtnl_is_locked (net/core/rtnetlink.c:169)
[  480.813296][T13005] ovs_netdev_detach_dev (net/openvswitch/vport-netdev.c:174) openvswitch
[  480.813300][T13005]  ? netdev_destroy (net/openvswitch/vport-netdev.c:189) openvswitch
[  480.813304][T13005] netdev_destroy (net/openvswitch/vport-netdev.c:194) openvswitch
[  480.813309][T13005] ovs_vport_cmd_del (net/openvswitch/datapath.c:2505) openvswitch
[  480.813317][T13005]  genl_family_rcv_msg_doit (net/netlink/genetlink.c:1114)
[  480.813321][T13005]  ? genl_family_rcv_msg_attrs_parse.isra.0 (./include/net/netlink.h:785 (discriminator 2))
[  480.813330][T13005]  ? security_capable (security/security.c:660 (discriminator 11))
[  480.813335][T13005]  genl_family_rcv_msg (net/netlink/genetlink.c:1194)
[  480.813339][T13005]  ? genl_family_rcv_msg_dumpit (net/netlink/genetlink.c:1079)
[  480.813342][T13005]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380)
[  480.813345][T13005]  ? ovs_dp_detach_port (./include/linux/list.h:1047 (discriminator 2)) openvswitch
[  480.813349][T13005]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[  480.813355][T13005]  genl_rcv_msg (net/netlink/genetlink.c:1209)
[  480.813359][T13005]  netlink_rcv_skb (net/netlink/af_netlink.c:2556)
[  480.813361][T13005]  ? genl_family_rcv_msg (net/netlink/genetlink.c:1136 (discriminator 2))
[  480.813365][T13005]  ? netlink_ack (./include/linux/skbuff.h:2718)
[  480.813372][T13005]  ? netlink_deliver_tap (./include/linux/rcupdate.h:319 (discriminator 2) ./include/linux/rcupdate.h:880 (discriminator 2) ./include/net/netns/generic.h:48 (discriminator 2) net/netlink/af_netlink.c:334 (discriminator 2))
[  480.813374][T13005]  ? netlink_deliver_tap (./include/linux/rcupdate.h:319 (discriminator 2) ./include/linux/rcupdate.h:880 (discriminator 2) net/netlink/af_netlink.c:341 (discriminator 2))
[  480.813378][T13005]  genl_rcv (net/netlink/genetlink.c:1218)
[  480.813381][T13005]  netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[  480.813385][T13005]  ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[  480.813389][T13005]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[  480.813393][T13005]  netlink_sendmsg (net/netlink/af_netlink.c:1900)
[  480.813397][T13005]  ? netlink_unicast (./include/net/net_namespace.h:422 (discriminator 7))
[  480.813399][T13005]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[  480.813402][T13005]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554)
[  480.813407][T13005]  __sock_sendmsg (net/socket.c:800 (discriminator 4) net/socket.c:815 (discriminator 4))
[  480.813410][T13005]  ? fdget (fs/file.c:1200 fs/file.c:1208)
[  480.813414][T13005]  __sys_sendto (net/socket.c:2281)
[  480.813418][T13005]  ? __ia32_sys_getpeername (net/socket.c:2235)
[  480.813429][T13005]  ? exc_page_fault (arch/x86/mm/fault.c:1483 arch/x86/mm/fault.c:1536)
[  480.813436][T13005]  __x64_sys_sendto (net/socket.c:2288 net/socket.c:2284 net/socket.c:2284)
[  480.813438][T13005]  ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22))
[  480.813442][T13005]  ? lockdep_hardirqs_on (kernel/locking/lockdep.c:4488)
[  480.813444][T13005]  ? do_syscall_64 (arch/x86/entry/syscall_64.c:81 (discriminator 44))
[  480.813446][T13005]  do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84)
[  480.813448][T13005]  ? exc_page_fault (arch/x86/mm/fault.c:1489 (discriminator 3) arch/x86/mm/fault.c:1536 (discriminator 3))
[  480.813451][T13005]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[  480.813453][T13005] RIP: 0033:0x7fa2371f0312
[  480.813457][T13005] Code: 08 0f 85 71 41 ff ff 49 89 fb 48 89 f0 48 89 d7 48 89 ce 4c 89 c2 4d 89 ca 4c 8b 44 24 08 4c 8b 4c 24 10 4c 89 5c 24 08 0f 05 <c3> 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 00 f3 0f 1e fa 55 bf 01 00
All code
========
   0:	08 0f                	or     %cl,(%rdi)
   2:	85 71 41             	test   %esi,0x41(%rcx)
   5:	ff                   	(bad)
   6:	ff 49 89             	decl   -0x77(%rcx)
   9:	fb                   	sti
   a:	48 89 f0             	mov    %rsi,%rax
   d:	48 89 d7             	mov    %rdx,%rdi
  10:	48 89 ce             	mov    %rcx,%rsi
  13:	4c 89 c2             	mov    %r8,%rdx
  16:	4d 89 ca             	mov    %r9,%r10
  19:	4c 8b 44 24 08       	mov    0x8(%rsp),%r8
  1e:	4c 8b 4c 24 10       	mov    0x10(%rsp),%r9
  23:	4c 89 5c 24 08       	mov    %r11,0x8(%rsp)
  28:	0f 05                	syscall
  2a:*	c3                   	ret		<-- trapping instruction
  2b:	66 2e 0f 1f 84 00 00 	cs nopw 0x0(%rax,%rax,1)
  32:	00 00 00 
  35:	0f 1f 00             	nopl   (%rax)
  38:	f3 0f 1e fa          	endbr64
  3c:	55                   	push   %rbp
  3d:	bf                   	.byte 0xbf
  3e:	01 00                	add    %eax,(%rax)

Code starting with the faulting instruction
===========================================
   0:	c3                   	ret
   1:	66 2e 0f 1f 84 00 00 	cs nopw 0x0(%rax,%rax,1)
   8:	00 00 00 
   b:	0f 1f 00             	nopl   (%rax)
   e:	f3 0f 1e fa          	endbr64
  12:	55                   	push   %rbp
  13:	bf                   	.byte 0xbf
  14:	01 00                	add    %eax,(%rax)
[  480.813459][T13005] RSP: 002b:00007ffc925fef58 EFLAGS: 00000246 ORIG_RAX: 000000000000002c
[  480.813462][T13005] RAX: ffffffffffffffda RBX: 00007ffc925ff088 RCX: 00007fa2371f0312
[  480.813463][T13005] RDX: 0000000000000028 RSI: 00007fa234628840 RDI: 0000000000000023
[  480.813464][T13005] RBP: 00007ffc925fef80 R08: 00007ffc925ff100 R09: 000000000000000c
[  480.813465][T13005] R10: 0000000000000000 R11: 0000000000000246 R12: 00007fa23505dfd0
[  480.813466][T13005] R13: 00007ffc925ff088 R14: 00007fa236b0f01a R15: 00007ffc925ff478
| [  484.643891][T13125] softirqs last disabled at (393460): __alloc_skb (./include/linux/bottom_half.h:20 (discriminator 2) net/core/skbuff.c:697 (discriminator 2))
| [  484.643893][T13125] Preemption disabled at:
| [  484.643894][T13125] vprintk_emit (kernel/printk/printk.c:2471)
| [  484.643903][T13125] Tainted: [W]=WARN
[  484.643904][T13125] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[  484.643906][T13125] Call Trace:
[  484.643907][T13125]  <TASK>
[  484.643909][T13125]  dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120)
[  484.643915][T13125]  ? vprintk_emit (kernel/printk/printk.c:2471)
[  484.643917][T13125]  __might_resched.cold (kernel/sched/core.c:9234)
[  484.643921][T13125]  ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3))
[  484.643925][T13125]  ? __kmalloc_noprof (./include/linux/sched/mm.h:317 mm/slub.c:4636 mm/slub.c:4974 mm/slub.c:5413 mm/slub.c:5439)
[  484.643930][T13125]  __kmalloc_noprof (./include/linux/sched/mm.h:322 (discriminator 2) mm/slub.c:4636 (discriminator 2) mm/slub.c:4974 (discriminator 2) mm/slub.c:5413 (discriminator 2) mm/slub.c:5439 (discriminator 2))
[  484.643932][T13125]  ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[  484.643938][T13125]  ? do_raw_spin_unlock (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:32 ./include/asm-generic/qspinlock.h:58 kernel/locking/spinlock_debug.c:101 kernel/locking/spinlock_debug.c:141)
[  484.643941][T13125]  alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[  484.643945][T13125]  put_chars (drivers/char/virtio_console.c:1176)
[  484.643947][T13125]  ? __send_to_port (drivers/char/virtio_console.c:654)
[  484.643950][T13125]  ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4116 (discriminator 3) kernel/rcu/tree.c:4108 (discriminator 3))
[  484.643953][T13125]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380)
[  484.643956][T13125]  ? validate_chain (kernel/locking/lockdep.c:3817 (discriminator 2) kernel/locking/lockdep.c:3837 (discriminator 2) kernel/locking/lockdep.c:3892 (discriminator 2))
[  484.643960][T13125]  hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2))
[  484.643964][T13125]  ? mark_usage (kernel/locking/lockdep.c:4690)
[  484.643966][T13125]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[  484.643968][T13125]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[  484.643972][T13125]  ? hvc_write (drivers/tty/hvc/hvc_console.c:501)
[  484.643974][T13125]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2))
[  484.643978][T13125]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  484.643983][T13125]  console_emit_next_record (kernel/printk/printk.c:3183)
[  484.643987][T13125]  ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20)
[  484.643988][T13125]  ? console_flush_one_record (./include/linux/rcupdate.h:314 (discriminator 2) ./include/linux/srcu.h:439 (discriminator 2) kernel/printk/printk.c:291 (discriminator 2) kernel/printk/printk.c:3246 (discriminator 2))
[  484.643992][T13125]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  484.643994][T13125]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  484.643998][T13125]  console_flush_one_record (kernel/printk/printk.c:3268)
[  484.644002][T13125]  ? console_emit_next_record (kernel/printk/printk.c:3150)
[  484.644004][T13125]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[  484.644010][T13125]  console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420)
[  484.644013][T13125]  ? console_flush_one_record (kernel/printk/printk.c:3316)
[  484.644014][T13125]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  484.644016][T13125]  ? 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)
[  484.644020][T13125]  ? __down_trylock_console_sem (kernel/printk/printk.c:334)
[  484.644022][T13125]  ? vprintk_emit (kernel/printk/printk.c:2478)
[  484.644025][T13125]  vprintk_emit (kernel/printk/printk.c:2479)
[  484.644028][T13125]  ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126))
[  484.644030][T13125]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554)
[  484.644032][T13125]  ? genl_family_rcv_msg (net/netlink/genetlink.c:1194)
[  484.644036][T13125]  _printk (kernel/printk/printk.c:2504)
[  484.644040][T13125]  ? snapshot_read.cold (user.c:?)
[  484.644042][T13125]  ? ___ratelimit (lib/ratelimit.c:97 (discriminator 3))
[  484.644048][T13125]  ? idr_get_free (??:?)
[  484.644052][T13125]  validate_nla.cold (lib/nlattr.c:414 (discriminator 4))
[  484.644062][T13125]  ? nla_get_range_signed (lib/nlattr.c:270)
[  484.644067][T13125]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  484.644069][T13125]  ? trace_kmalloc (./include/trace/events/kmem.h:57 (discriminator 22))
[  484.644074][T13125]  __nla_validate_parse (lib/nlattr.c:635)
[  484.644079][T13125]  __nla_parse (lib/nlattr.c:732)
[  484.644082][T13125]  genl_family_rcv_msg_attrs_parse.isra.0 (./include/net/netlink.h:789 (discriminator 2) net/netlink/genetlink.c:944 (discriminator 2))
[  484.644087][T13125]  genl_family_rcv_msg_doit (net/netlink/genetlink.c:1092)
[  484.644090][T13125]  ? genl_family_rcv_msg_attrs_parse.isra.0 (./include/net/netlink.h:785 (discriminator 2))
[  484.644098][T13125]  ? security_capable (security/security.c:660 (discriminator 11))
[  484.644103][T13125]  genl_family_rcv_msg (net/netlink/genetlink.c:1194)
[  484.644107][T13125]  ? genl_family_rcv_msg_dumpit (net/netlink/genetlink.c:1079)
[  484.644109][T13125]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380)
[  484.644112][T13125]  ? ovs_dp_cmd_get (./include/net/net_namespace.h:422 (discriminator 7)) openvswitch
[  484.644120][T13125]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[  484.644125][T13125]  genl_rcv_msg (net/netlink/genetlink.c:1209)
[  484.644129][T13125]  netlink_rcv_skb (net/netlink/af_netlink.c:2556)
[  484.644131][T13125]  ? genl_family_rcv_msg (net/netlink/genetlink.c:1136 (discriminator 2))
[  484.644134][T13125]  ? netlink_ack (./include/linux/skbuff.h:2718)
[  484.644141][T13125]  ? 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))
[  484.644143][T13125]  ? 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))
[  484.644147][T13125]  genl_rcv (net/netlink/genetlink.c:1218)
[  484.644149][T13125]  netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[  484.644154][T13125]  ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[  484.644157][T13125]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[  484.644161][T13125]  netlink_sendmsg (net/netlink/af_netlink.c:1900)
[  484.644165][T13125]  ? netlink_unicast (./include/net/net_namespace.h:422 (discriminator 7))
[  484.644167][T13125]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[  484.644170][T13125]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554)
[  484.644174][T13125]  __sock_sendmsg (net/socket.c:800 (discriminator 4) net/socket.c:815 (discriminator 4))
[  484.644177][T13125]  ? fdget (fs/file.c:1200 fs/file.c:1208)
[  484.644181][T13125]  __sys_sendto (net/socket.c:2281)
[  484.644184][T13125]  ? __ia32_sys_getpeername (net/socket.c:2235)
[  484.644190][T13125]  ? rcutree_report_cpu_dead (kernel/rcu/tree.c:4507)
[  484.644198][T13125]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554)
[  484.644201][T13125]  __x64_sys_sendto (net/socket.c:2288 net/socket.c:2284 net/socket.c:2284)
[  484.644204][T13125]  ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22))
[  484.644207][T13125]  ? lockdep_hardirqs_on (kernel/locking/lockdep.c:4488)
[  484.644210][T13125]  ? do_syscall_64 (arch/x86/entry/syscall_64.c:81 (discriminator 44))
[  484.644212][T13125]  do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84)
[  484.644214][T13125]  ? irq_exit_rcu (kernel/softirq.c:786)
[  484.644218][T13125]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[  484.644221][T13125] RIP: 0033:0x7f9280bb6312
[  484.644224][T13125] 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)
[  484.644226][T13125] RSP: 002b:00007ffe9222f8a8 EFLAGS: 00000246 ORIG_RAX: 000000000000002c
[  484.644229][T13125] RAX: ffffffffffffffda RBX: 00007ffe9222f9d8 RCX: 00007f9280bb6312
[  484.644231][T13125] RDX: 0000000000000044 RSI: 00007f927e8d3140 RDI: 0000000000000020
[  484.644232][T13125] RBP: 00007ffe9222f8d0 R08: 00007ffe9222fa50 R09: 000000000000000c
[  484.644233][T13125] R10: 0000000000000000 R11: 0000000000000246 R12: 00007f927ea1a0b0
[  484.644233][T13125] R13: 00007ffe9222f9d8 R14: 00007f92804d501a R15: 00007ffe9222fdc8
| [  485.777318][T13157] softirqs last disabled at (385054): inet6_fill_ifla6_attrs (net/ipv6/addrconf.c:5883)
| [  485.777320][T13157] Preemption disabled at:
| [  485.777320][T13157] vprintk_emit (kernel/printk/printk.c:2471)
| [  485.777329][T13157] Tainted: [W]=WARN
[  485.777330][T13157] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[  485.777332][T13157] Call Trace:
[  485.777333][T13157]  <TASK>
[  485.777335][T13157]  dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120)
[  485.777341][T13157]  ? vprintk_emit (kernel/printk/printk.c:2471)
[  485.777343][T13157]  __might_resched.cold (kernel/sched/core.c:9234)
[  485.777348][T13157]  ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3))
[  485.777352][T13157]  ? __kmalloc_noprof (./include/linux/sched/mm.h:317 mm/slub.c:4636 mm/slub.c:4974 mm/slub.c:5413 mm/slub.c:5439)
[  485.777357][T13157]  __kmalloc_noprof (./include/linux/sched/mm.h:322 (discriminator 2) mm/slub.c:4636 (discriminator 2) mm/slub.c:4974 (discriminator 2) mm/slub.c:5413 (discriminator 2) mm/slub.c:5439 (discriminator 2))
[  485.777359][T13157]  ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[  485.777365][T13157]  ? do_raw_spin_unlock (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:32 ./include/asm-generic/qspinlock.h:58 kernel/locking/spinlock_debug.c:101 kernel/locking/spinlock_debug.c:141)
[  485.777368][T13157]  alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[  485.777372][T13157]  put_chars (drivers/char/virtio_console.c:1176)
[  485.777374][T13157]  ? __send_to_port (drivers/char/virtio_console.c:654)
[  485.777378][T13157]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380)
[  485.777381][T13157]  ? validate_chain (kernel/locking/lockdep.c:3817 (discriminator 2) kernel/locking/lockdep.c:3837 (discriminator 2) kernel/locking/lockdep.c:3892 (discriminator 2))
[  485.777385][T13157]  hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2))
[  485.777389][T13157]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[  485.777391][T13157]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[  485.777396][T13157]  ? hvc_write (drivers/tty/hvc/hvc_console.c:501)
[  485.777400][T13157]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  485.777402][T13157]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  485.777406][T13157]  console_emit_next_record (kernel/printk/printk.c:3183)
[  485.777410][T13157]  ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20)
[  485.777412][T13157]  ? console_flush_one_record (./include/linux/rcupdate.h:314 (discriminator 2) ./include/linux/srcu.h:439 (discriminator 2) kernel/printk/printk.c:291 (discriminator 2) kernel/printk/printk.c:3246 (discriminator 2))
[  485.777415][T13157]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  485.777417][T13157]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  485.777421][T13157]  console_flush_one_record (kernel/printk/printk.c:3268)
[  485.777426][T13157]  ? console_emit_next_record (kernel/printk/printk.c:3150)
[  485.777428][T13157]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[  485.777433][T13157]  console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420)
[  485.777436][T13157]  ? console_flush_one_record (kernel/printk/printk.c:3316)
[  485.777438][T13157]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  485.777440][T13157]  ? 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)
[  485.777444][T13157]  ? __down_trylock_console_sem (kernel/printk/printk.c:334)
[  485.777445][T13157]  ? vprintk_emit (kernel/printk/printk.c:2478)
[  485.777448][T13157]  vprintk_emit (kernel/printk/printk.c:2479)
[  485.777451][T13157]  ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126))
[  485.777457][T13157]  _printk (kernel/printk/printk.c:2504)
[  485.777460][T13157]  ? snapshot_read.cold (user.c:?)
[  485.777463][T13157]  ? lockdep_rtnl_is_held (./include/linux/lockdep.h:249 net/core/rtnetlink.c:182)
[  485.777466][T13157]  ? netdev_upper_get_next_dev_rcu (net/core/dev.c:8213 (discriminator 5))
[  485.777470][T13157]  ? __netdev_update_features (net/core/dev.c:11078 (discriminator 2))
[  485.777472][T13157]  ? netdev_name (./include/linux/netdevice.h:5709 (discriminator 1))
[  485.777476][T13157]  ? __netdev_printk (net/core/dev.c:13148 (discriminator 2))
[  485.777480][T13157]  netdev_info (net/core/dev.c:13195 (discriminator 3))
[  485.777483][T13157]  ? netdev_notice (net/core/dev.c:13194)
[  485.777485][T13157]  ? ovs_netdev_link (net/openvswitch/vport-netdev.c:85) openvswitch
[  485.777493][T13157]  ? 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)
[  485.777496][T13157]  __dev_set_promiscuity.cold (net/core/dev.c:9672 (discriminator 3))
[  485.777500][T13157]  netif_set_promiscuity (net/core/dev.c:9699)
[  485.777503][T13157]  dev_set_promiscuity (net/core/dev_api.c:288)
[  485.777505][T13157]  ? dev_disable_lro (net/core/dev_api.c:267)
[  485.777508][T13157] ovs_netdev_link (net/openvswitch/vport-netdev.c:106) openvswitch
[  485.777513][T13157] ovs_vport_add (net/openvswitch/vport.c:209) openvswitch
[  485.777518][T13157] new_vport (net/openvswitch/datapath.c:203) openvswitch
[  485.777522][T13157]  ? ovs_lookup_vport (./include/linux/lockdep.h:249 net/openvswitch/datapath.c:120 net/openvswitch/datapath.c:117 net/openvswitch/datapath.c:190) openvswitch
[  485.777527][T13157] ovs_vport_cmd_new (net/openvswitch/datapath.c:2389) openvswitch
[  485.777532][T13157]  ? ovs_vport_cmd_fill_info.isra.0 (./include/net/netlink.h:1107 (discriminator 1)) openvswitch
[  485.777536][T13157]  ? __nla_validate_parse (lib/nlattr.c:635)
[  485.777542][T13157]  ? __nla_parse (lib/nlattr.c:732)
[  485.777545][T13157]  ? genl_family_rcv_msg_attrs_parse.isra.0 (./include/net/netlink.h:789 (discriminator 2) net/netlink/genetlink.c:944 (discriminator 2))
[  485.777550][T13157]  genl_family_rcv_msg_doit (net/netlink/genetlink.c:1114)
[  485.777554][T13157]  ? genl_family_rcv_msg_attrs_parse.isra.0 (./include/net/netlink.h:785 (discriminator 2))
[  485.777562][T13157]  ? security_capable (security/security.c:660 (discriminator 11))
[  485.777566][T13157]  genl_family_rcv_msg (net/netlink/genetlink.c:1194)
[  485.777570][T13157]  ? genl_family_rcv_msg_dumpit (net/netlink/genetlink.c:1079)
[  485.777573][T13157]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380)
[  485.777575][T13157]  ? ovs_vport_cmd_fill_info.isra.0 (./include/net/netlink.h:1107 (discriminator 1)) openvswitch
[  485.777579][T13157]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[  485.777585][T13157]  genl_rcv_msg (net/netlink/genetlink.c:1209)
[  485.777588][T13157]  netlink_rcv_skb (net/netlink/af_netlink.c:2556)
[  485.777590][T13157]  ? genl_family_rcv_msg (net/netlink/genetlink.c:1136 (discriminator 2))
[  485.777594][T13157]  ? netlink_ack (./include/linux/skbuff.h:2718)
[  485.777601][T13157]  ? 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))
[  485.777603][T13157]  ? 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))
[  485.777607][T13157]  genl_rcv (net/netlink/genetlink.c:1218)
[  485.777610][T13157]  netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[  485.777614][T13157]  ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[  485.777618][T13157]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[  485.777621][T13157]  netlink_sendmsg (net/netlink/af_netlink.c:1900)
[  485.777626][T13157]  ? netlink_unicast (./include/net/net_namespace.h:422 (discriminator 7))
[  485.777628][T13157]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[  485.777631][T13157]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554)
[  485.777636][T13157]  __sock_sendmsg (net/socket.c:800 (discriminator 4) net/socket.c:815 (discriminator 4))
[  485.777639][T13157]  ? fdget (fs/file.c:1200 fs/file.c:1208)
[  485.777643][T13157]  __sys_sendto (net/socket.c:2281)
[  485.777646][T13157]  ? __ia32_sys_getpeername (net/socket.c:2235)
[  485.777657][T13157]  ? exc_page_fault (arch/x86/mm/fault.c:1483 arch/x86/mm/fault.c:1536)
[  485.777663][T13157]  __x64_sys_sendto (net/socket.c:2288 net/socket.c:2284 net/socket.c:2284)
[  485.777665][T13157]  ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22))
[  485.777669][T13157]  ? lockdep_hardirqs_on (kernel/locking/lockdep.c:4488)
[  485.777671][T13157]  ? do_syscall_64 (arch/x86/entry/syscall_64.c:81 (discriminator 44))
[  485.777674][T13157]  do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84)
[  485.777676][T13157]  ? exc_page_fault (arch/x86/mm/fault.c:1489 (discriminator 3) arch/x86/mm/fault.c:1536 (discriminator 3))
[  485.777678][T13157]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[  485.777680][T13157] RIP: 0033:0x7f6f12258312
[  485.777684][T13157] 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)
[  485.777686][T13157] RSP: 002b:00007ffecd47f898 EFLAGS: 00000246 ORIG_RAX: 000000000000002c
[  485.777689][T13157] RAX: ffffffffffffffda RBX: 00007ffecd47f9c8 RCX: 00007f6f12258312
[  485.777690][T13157] RDX: 0000000000000038 RSI: 00007f6f0c4dee30 RDI: 0000000000000023
[  485.777691][T13157] RBP: 00007ffecd47f8c0 R08: 00007ffecd47fa40 R09: 000000000000000c
[  485.777692][T13157] R10: 0000000000000000 R11: 0000000000000246 R12: 00007f6f100c2190
[  485.777693][T13157] R13: 00007ffecd47f9c8 R14: 00007f6f11b7701a R15: 00007ffecd47fdb8
| [  495.000817][   T70] softirqs last disabled at (10952422): __neigh_ifdown.isra.0 (./include/linux/spinlock.h:353 net/core/neighbour.c:464)
| [  495.000820][   T70] Preemption disabled at:
| [  495.000821][   T70] vprintk_emit (kernel/printk/printk.c:2471)
| [  495.000829][   T70] Tainted: [W]=WARN
[  495.000830][   T70] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[  495.000832][   T70] Workqueue: netns cleanup_net
[  495.000835][   T70] Call Trace:
[  495.000837][   T70]  <TASK>
[  495.000839][   T70]  dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120)
[  495.000845][   T70]  ? vprintk_emit (kernel/printk/printk.c:2471)
[  495.000847][   T70]  __might_resched.cold (kernel/sched/core.c:9234)
[  495.000851][   T70]  ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3))
[  495.000856][   T70]  ? __kmalloc_noprof (./include/linux/sched/mm.h:317 mm/slub.c:4636 mm/slub.c:4974 mm/slub.c:5413 mm/slub.c:5439)
[  495.000860][   T70]  __kmalloc_noprof (./include/linux/sched/mm.h:322 (discriminator 2) mm/slub.c:4636 (discriminator 2) mm/slub.c:4974 (discriminator 2) mm/slub.c:5413 (discriminator 2) mm/slub.c:5439 (discriminator 2))
[  495.000862][   T70]  ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[  495.000869][   T70]  ? do_raw_spin_unlock (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:32 ./include/asm-generic/qspinlock.h:58 kernel/locking/spinlock_debug.c:101 kernel/locking/spinlock_debug.c:141)
[  495.000872][   T70]  alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[  495.000876][   T70]  put_chars (drivers/char/virtio_console.c:1176)
[  495.000878][   T70]  ? prb_final_commit (kernel/printk/printk_ringbuffer.c:1842)
[  495.000880][   T70]  ? __send_to_port (drivers/char/virtio_console.c:654)
[  495.000884][   T70]  ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4116 (discriminator 3) kernel/rcu/tree.c:4108 (discriminator 3))
[  495.000887][   T70]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380)
[  495.000890][   T70]  ? validate_chain (kernel/locking/lockdep.c:3817 (discriminator 2) kernel/locking/lockdep.c:3837 (discriminator 2) kernel/locking/lockdep.c:3892 (discriminator 2))
[  495.000895][   T70]  hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2))
[  495.000899][   T70]  ? mark_usage (kernel/locking/lockdep.c:4690)
[  495.000901][   T70]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[  495.000903][   T70]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[  495.000907][   T70]  ? hvc_write (drivers/tty/hvc/hvc_console.c:501)
[  495.000910][   T70]  ? console_emit_next_record (kernel/printk/printk.c:3095 (discriminator 2) kernel/printk/printk.c:3182 (discriminator 2))
[  495.000914][   T70]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  495.000916][   T70]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  495.000920][   T70]  console_emit_next_record (kernel/printk/printk.c:3183)
[  495.000925][   T70]  ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20)
[  495.000927][   T70]  ? console_flush_one_record (./include/linux/rcupdate.h:314 (discriminator 2) ./include/linux/srcu.h:439 (discriminator 2) kernel/printk/printk.c:291 (discriminator 2) kernel/printk/printk.c:3246 (discriminator 2))
[  495.000931][   T70]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  495.000933][   T70]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  495.000937][   T70]  console_flush_one_record (kernel/printk/printk.c:3268)
[  495.000942][   T70]  ? console_emit_next_record (kernel/printk/printk.c:3150)
[  495.000944][   T70]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[  495.000949][   T70]  console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420)
[  495.000952][   T70]  ? console_flush_one_record (kernel/printk/printk.c:3316)
[  495.000955][   T70]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  495.000956][   T70]  ? lock_acquire (./include/linux/srcutree.h:374 ./include/linux/srcu.h:541 ./include/linux/srcu.h:645 ./include/trace/events/lock.h:23 ./include/trace/events/lock.h:23 kernel/locking/lockdep.c:5871)
[  495.000961][   T70]  ? __down_trylock_console_sem (kernel/printk/printk.c:334)
[  495.000963][   T70]  ? vprintk_emit (kernel/printk/printk.c:2478)
[  495.000966][   T70]  vprintk_emit (kernel/printk/printk.c:2479)
[  495.000969][   T70]  ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126))
[  495.000972][   T70]  ? net_disable_timestamp (./include/linux/workqueue.h:761)
[  495.000974][   T70]  ? net_generic (./include/linux/rcupdate.h:882 ./include/net/netns/generic.h:48) vxlan
[  495.000983][   T70]  _printk (kernel/printk/printk.c:2504)
[  495.000987][   T70]  ? snapshot_read.cold (user.c:?)
[  495.000992][   T70]  ? netdev_name (./include/linux/netdevice.h:5709 (discriminator 1))
[  495.000996][   T70]  ? __netdev_printk (net/core/dev.c:13148 (discriminator 2))
[  495.001000][   T70]  netdev_info (net/core/dev.c:13195 (discriminator 3))
[  495.001003][   T70]  ? netdev_notice (net/core/dev.c:13194)
[  495.001005][   T70]  ? __netdev_upper_dev_unlink (net/core/dev.c:9094)
[  495.001010][   T70]  ? synchronize_rcu_expedited (kernel/rcu/tree_exp.h:985)
[  495.001015][   T70]  ? mutex_is_locked (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:3188 kernel/locking/mutex.h:48 kernel/locking/mutex.c:65)
[  495.001018][   T70]  __dev_set_promiscuity.cold (net/core/dev.c:9672 (discriminator 3))
[  495.001022][   T70]  netif_set_promiscuity (net/core/dev.c:9699)
[  495.001026][   T70]  dev_set_promiscuity (net/core/dev_api.c:288)
[  495.001028][   T70]  ? rtnl_is_locked (net/core/rtnetlink.c:169)
[  495.001031][   T70] ovs_netdev_detach_dev (net/openvswitch/vport-netdev.c:174) openvswitch
[  495.001038][   T70] dp_device_event (net/openvswitch/dp_notify.c:74) openvswitch
[  495.001042][   T70]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  495.001044][   T70]  notifier_call_chain (kernel/notifier.c:85)
[  495.001051][   T70]  unregister_netdevice_many_notify (net/core/dev.c:2313 net/core/dev.c:2327 net/core/dev.c:12518)
[  495.001056][   T70]  ? unregister_netdevice_queued (./include/linux/list.h:419 (discriminator 3))
[  495.001064][   T70]  default_device_exit_batch (net/core/dev.c:12589 net/core/dev.c:13288)
[  495.001068][   T70]  ? unregister_netdevice_queue (./include/linux/list.h:173)
[  495.001070][   T70]  ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3))
[  495.001073][   T70]  ? fou_exit_net (net/ipv4/fou_core.c:1228)
[  495.001078][   T70]  ops_undo_list (net/core/net_namespace.c:206 net/core/net_namespace.c:253)
[  495.001082][   T70]  ? lockdep_hardirqs_on (kernel/locking/lockdep.c:4488)
[  495.001086][   T70]  ? netns_install (./include/linux/ns_common.h:26)
[  495.001087][   T70]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554)
[  495.001091][   T70]  ? idr_destroy (lib/radix-tree.c:310 lib/radix-tree.c:674 lib/radix-tree.c:1563)
[  495.001096][   T70]  cleanup_net (net/core/net_namespace.c:706)
[  495.001099][   T70]  ? net_passive_dec (./include/linux/llist.h:241)
[  495.001103][   T70]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  495.001105][   T70]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  495.001109][   T70]  process_one_work (kernel/workqueue.c:3387)
[  495.001116][   T70]  ? __queue_delayed_work (kernel/workqueue.c:2622)
[  495.001119][   T70]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2))
[  495.001128][   T70]  worker_thread (kernel/workqueue.c:3470 kernel/workqueue.c:3551)
[  495.001132][   T70]  ? rescuer_thread (./include/linux/list.h:419 (discriminator 3))
[  495.001135][   T70]  ? __kthread_parkme (./include/linux/instrumented.h:82 ./include/asm-generic/bitops/instrumented-non-atomic.h:141 kernel/kthread.c:272)
[  495.001138][   T70]  ? rescuer_thread (./include/linux/list.h:419 (discriminator 3))
[  495.001141][   T70]  ? rescuer_thread (./include/linux/list.h:419 (discriminator 3))
[  495.001143][   T70]  kthread (kernel/kthread.c:436)
[  495.001145][   T70]  ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22))
[  495.001149][   T70]  ? kthread_affine_preferred (kernel/kthread.c:857)
[  495.001152][   T70]  ret_from_fork (arch/x86/kernel/process.c:158)
[  495.001156][   T70]  ? arch_exit_to_user_mode_prepare.isra.0 (arch/x86/entry/vdso/vma.c:80 (discriminator 1))
[  495.001160][   T70]  ? __switch_to (arch/x86/kernel/process_64.c:403 arch/x86/kernel/process_64.c:663)
[  495.001163][   T70]  ? kthread_affine_preferred (kernel/kthread.c:857)
[  495.001167][   T70]  ret_from_fork_asm (arch/x86/entry/entry_64.S:245)
| [  496.679481][T13398] softirqs last disabled at (383124): inet6_fill_ifla6_attrs (net/ipv6/addrconf.c:5883)
| [  496.679484][T13398] Preemption disabled at:
| [  496.679484][T13398] vprintk_emit (kernel/printk/printk.c:2471)
| [  496.679493][T13398] Tainted: [W]=WARN
[  496.679494][T13398] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[  496.679495][T13398] Call Trace:
[  496.679497][T13398]  <TASK>
[  496.679499][T13398]  dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120)
[  496.679505][T13398]  ? vprintk_emit (kernel/printk/printk.c:2471)
[  496.679506][T13398]  __might_resched.cold (kernel/sched/core.c:9234)
[  496.679511][T13398]  ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3))
[  496.679515][T13398]  ? __kmalloc_noprof (./include/linux/sched/mm.h:317 mm/slub.c:4636 mm/slub.c:4974 mm/slub.c:5413 mm/slub.c:5439)
[  496.679520][T13398]  __kmalloc_noprof (./include/linux/sched/mm.h:322 (discriminator 2) mm/slub.c:4636 (discriminator 2) mm/slub.c:4974 (discriminator 2) mm/slub.c:5413 (discriminator 2) mm/slub.c:5439 (discriminator 2))
[  496.679522][T13398]  ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[  496.679529][T13398]  ? do_raw_spin_unlock (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:32 ./include/asm-generic/qspinlock.h:58 kernel/locking/spinlock_debug.c:101 kernel/locking/spinlock_debug.c:141)
[  496.679531][T13398]  alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[  496.679535][T13398]  put_chars (drivers/char/virtio_console.c:1176)
[  496.679538][T13398]  ? __send_to_port (drivers/char/virtio_console.c:654)
[  496.679539][T13398]  ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4116 (discriminator 3) kernel/rcu/tree.c:4108 (discriminator 3))
[  496.679543][T13398]  ? validate_chain (kernel/locking/lockdep.c:3817 (discriminator 2) kernel/locking/lockdep.c:3837 (discriminator 2) kernel/locking/lockdep.c:3892 (discriminator 2))
[  496.679548][T13398]  hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2))
[  496.679556][T13398]  ? hvc_write (drivers/tty/hvc/hvc_console.c:501)
[  496.679559][T13398]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  496.679561][T13398]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  496.679565][T13398]  console_emit_next_record (kernel/printk/printk.c:3183)
[  496.679569][T13398]  ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20)
[  496.679571][T13398]  ? console_flush_one_record (./include/linux/rcupdate.h:314 (discriminator 2) ./include/linux/srcu.h:439 (discriminator 2) kernel/printk/printk.c:291 (discriminator 2) kernel/printk/printk.c:3246 (discriminator 2))
[  496.679574][T13398]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  496.679576][T13398]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  496.679580][T13398]  console_flush_one_record (kernel/printk/printk.c:3268)
[  496.679584][T13398]  ? console_emit_next_record (kernel/printk/printk.c:3150)
[  496.679586][T13398]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[  496.679592][T13398]  console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420)
[  496.679595][T13398]  ? console_flush_one_record (kernel/printk/printk.c:3316)
[  496.679597][T13398]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  496.679599][T13398]  ? 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)
[  496.679603][T13398]  ? __down_trylock_console_sem (kernel/printk/printk.c:334)
[  496.679605][T13398]  ? vprintk_emit (kernel/printk/printk.c:2478)
[  496.679608][T13398]  vprintk_emit (kernel/printk/printk.c:2479)
[  496.679611][T13398]  ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126))
[  496.679614][T13398]  ? net_disable_timestamp (./include/linux/workqueue.h:761)
[  496.679616][T13398]  ? net_generic (./include/linux/rcupdate.h:882 ./include/net/netns/generic.h:48) vxlan
[  496.679624][T13398]  _printk (kernel/printk/printk.c:2504)
[  496.679628][T13398]  ? snapshot_read.cold (user.c:?)
[  496.679632][T13398]  ? netdev_name (./include/linux/netdevice.h:5709 (discriminator 1))
[  496.679636][T13398]  ? __netdev_printk (net/core/dev.c:13148 (discriminator 2))
[  496.679640][T13398]  netdev_info (net/core/dev.c:13195 (discriminator 3))
[  496.679643][T13398]  ? netdev_notice (net/core/dev.c:13194)
[  496.679645][T13398]  ? __netdev_upper_dev_unlink (net/core/dev.c:9094)
[  496.679649][T13398]  ? synchronize_rcu_expedited (kernel/rcu/tree_exp.h:985)
[  496.679655][T13398]  ? 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)
[  496.679658][T13398]  __dev_set_promiscuity.cold (net/core/dev.c:9672 (discriminator 3))
[  496.679661][T13398]  netif_set_promiscuity (net/core/dev.c:9699)
[  496.679665][T13398]  dev_set_promiscuity (net/core/dev_api.c:288)
[  496.679667][T13398]  ? rtnl_is_locked (net/core/rtnetlink.c:169)
[  496.679671][T13398] ovs_netdev_detach_dev (net/openvswitch/vport-netdev.c:174) openvswitch
[  496.679675][T13398]  ? netdev_destroy (net/openvswitch/vport-netdev.c:189) openvswitch
[  496.679679][T13398] netdev_destroy (net/openvswitch/vport-netdev.c:194) openvswitch
[  496.679684][T13398] ovs_vport_cmd_del (net/openvswitch/datapath.c:2505) openvswitch
[  496.679692][T13398]  genl_family_rcv_msg_doit (net/netlink/genetlink.c:1114)
[  496.679695][T13398]  ? genl_family_rcv_msg_attrs_parse.isra.0 (./include/net/netlink.h:785 (discriminator 2))
[  496.679704][T13398]  ? security_capable (security/security.c:660 (discriminator 11))
[  496.679708][T13398]  genl_family_rcv_msg (net/netlink/genetlink.c:1194)
[  496.679712][T13398]  ? genl_family_rcv_msg_dumpit (net/netlink/genetlink.c:1079)
[  496.679715][T13398]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380)
[  496.679718][T13398]  ? ovs_dp_detach_port (./include/linux/list.h:1047 (discriminator 2)) openvswitch
[  496.679722][T13398]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[  496.679733][T13398]  genl_rcv_msg (net/netlink/genetlink.c:1209)
[  496.679736][T13398]  netlink_rcv_skb (net/netlink/af_netlink.c:2556)
[  496.679738][T13398]  ? genl_family_rcv_msg (net/netlink/genetlink.c:1136 (discriminator 2))
[  496.679742][T13398]  ? netlink_ack (./include/linux/skbuff.h:2718)
[  496.679749][T13398]  ? 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))
[  496.679751][T13398]  ? 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))
[  496.679755][T13398]  genl_rcv (net/netlink/genetlink.c:1218)
[  496.679757][T13398]  netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[  496.679762][T13398]  ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[  496.679765][T13398]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[  496.679772][T13398]  netlink_sendmsg (net/netlink/af_netlink.c:1900)
[  496.679776][T13398]  ? netlink_unicast (./include/net/net_namespace.h:422 (discriminator 7))
[  496.679777][T13398]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[  496.679781][T13398]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554)
[  496.679786][T13398]  __sock_sendmsg (net/socket.c:800 (discriminator 4) net/socket.c:815 (discriminator 4))
[  496.679789][T13398]  ? fdget (fs/file.c:1200 fs/file.c:1208)
[  496.679793][T13398]  __sys_sendto (net/socket.c:2281)
[  496.679796][T13398]  ? __ia32_sys_getpeername (net/socket.c:2235)
[  496.679807][T13398]  ? exc_page_fault (arch/x86/mm/fault.c:1483 arch/x86/mm/fault.c:1536)
[  496.679814][T13398]  __x64_sys_sendto (net/socket.c:2288 net/socket.c:2284 net/socket.c:2284)
[  496.679816][T13398]  ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22))
[  496.679820][T13398]  ? lockdep_hardirqs_on (kernel/locking/lockdep.c:4488)
[  496.679822][T13398]  ? do_syscall_64 (arch/x86/entry/syscall_64.c:81 (discriminator 44))
[  496.679825][T13398]  do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84)
[  496.679827][T13398]  ? exc_page_fault (arch/x86/mm/fault.c:1489 (discriminator 3) arch/x86/mm/fault.c:1536 (discriminator 3))
[  496.679829][T13398]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[  496.679831][T13398] RIP: 0033:0x7fe6364d1312
[  496.679835][T13398] 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)
[  496.679837][T13398] RSP: 002b:00007ffcc0132c88 EFLAGS: 00000246 ORIG_RAX: 000000000000002c
[  496.679840][T13398] RAX: ffffffffffffffda RBX: 00007ffcc0132db8 RCX: 00007fe6364d1312
[  496.679841][T13398] RDX: 0000000000000028 RSI: 00007fe6320936f0 RDI: 0000000000000023
[  496.679842][T13398] RBP: 00007ffcc0132cb0 R08: 00007ffcc0132e30 R09: 000000000000000c
[  496.679843][T13398] R10: 0000000000000000 R11: 0000000000000246 R12: 00007fe63432dfd0
[  496.679844][T13398] R13: 00007ffcc0132db8 R14: 00007fe635df001a R15: 00007ffcc01331a8
| [  593.551787][T17146] softirqs last disabled at (116581): __irq_exit_rcu (kernel/softirq.c:679 kernel/softirq.c:519 kernel/softirq.c:767)
| [  593.551789][T17146] Preemption disabled at:
| [  593.551790][T17146] vprintk_emit (kernel/printk/printk.c:2471)
| [  593.551799][T17146] Tainted: [W]=WARN
[  593.551800][T17146] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[  593.551802][T17146] Call Trace:
[  593.551804][T17146]  <TASK>
[  593.551805][T17146]  dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120)
[  593.551811][T17146]  ? vprintk_emit (kernel/printk/printk.c:2471)
[  593.551813][T17146]  __might_resched.cold (kernel/sched/core.c:9234)
[  593.551817][T17146]  ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3))
[  593.551822][T17146]  ? __kmalloc_noprof (./include/linux/sched/mm.h:317 mm/slub.c:4636 mm/slub.c:4974 mm/slub.c:5413 mm/slub.c:5439)
[  593.551826][T17146]  __kmalloc_noprof (./include/linux/sched/mm.h:322 (discriminator 2) mm/slub.c:4636 (discriminator 2) mm/slub.c:4974 (discriminator 2) mm/slub.c:5413 (discriminator 2) mm/slub.c:5439 (discriminator 2))
[  593.551828][T17146]  ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[  593.551834][T17146]  ? do_raw_spin_unlock (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:32 ./include/asm-generic/qspinlock.h:58 kernel/locking/spinlock_debug.c:101 kernel/locking/spinlock_debug.c:141)
[  593.551837][T17146]  alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[  593.551841][T17146]  put_chars (drivers/char/virtio_console.c:1176)
[  593.551843][T17146]  ? desc_read_finalized_seq (kernel/printk/printk_ringbuffer.c:1934)
[  593.551845][T17146]  ? __send_to_port (drivers/char/virtio_console.c:654)
[  593.551848][T17146]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380)
[  593.551851][T17146]  ? validate_chain (kernel/locking/lockdep.c:3817 (discriminator 2) kernel/locking/lockdep.c:3837 (discriminator 2) kernel/locking/lockdep.c:3892 (discriminator 2))
[  593.551856][T17146]  hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2))
[  593.551860][T17146]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[  593.551862][T17146]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[  593.551866][T17146]  ? hvc_write (drivers/tty/hvc/hvc_console.c:501)
[  593.551868][T17146]  ? console_emit_next_record (kernel/printk/printk.c:3095 (discriminator 2) kernel/printk/printk.c:3182 (discriminator 2))
[  593.551872][T17146]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  593.551874][T17146]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  593.551878][T17146]  console_emit_next_record (kernel/printk/printk.c:3183)
[  593.551882][T17146]  ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20)
[  593.551884][T17146]  ? console_flush_one_record (./include/linux/rcupdate.h:314 (discriminator 2) ./include/linux/srcu.h:439 (discriminator 2) kernel/printk/printk.c:291 (discriminator 2) kernel/printk/printk.c:3246 (discriminator 2))
[  593.551887][T17146]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  593.551889][T17146]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  593.551898][T17146]  console_flush_one_record (kernel/printk/printk.c:3268)
[  593.551902][T17146]  ? console_emit_next_record (kernel/printk/printk.c:3150)
[  593.551904][T17146]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[  593.551909][T17146]  console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420)
[  593.551912][T17146]  ? console_flush_one_record (kernel/printk/printk.c:3316)
[  593.551914][T17146]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  593.551916][T17146]  ? 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)
[  593.551920][T17146]  ? __down_trylock_console_sem (kernel/printk/printk.c:334)
[  593.551921][T17146]  ? vprintk_emit (kernel/printk/printk.c:2478)
[  593.551924][T17146]  vprintk_emit (kernel/printk/printk.c:2479)
[  593.551927][T17146]  ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126))
[  593.551932][T17146]  ? nf_nat_cleanup (./include/linux/jhash.h:126 (discriminator 32768) net/netfilter/nf_nat_core.c:526 (discriminator 32768)) nf_nat
[  593.551936][T17146]  _printk (kernel/printk/printk.c:2504)
[  593.551940][T17146]  ? snapshot_read.cold (user.c:?)
[  593.551946][T17146]  ? 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)
[  593.551949][T17146] xfrm_user_init (xfrm_user.mod.c:?) xfrm_user
[  593.551952][T17146]  do_one_initcall (init/main.c:1357)
[  593.551955][T17146]  ? trace_event_raw_event_initcall_level (./include/trace/events/initcall.h:10)
[  593.551960][T17146]  ? do_init_module (./include/linux/slab.h:991 (discriminator 1) kernel/module/main.c:3105 (discriminator 1))
[  593.551963][T17146]  ? kasan_unpoison (mm/kasan/shadow.c:146 mm/kasan/shadow.c:178)
[  593.551968][T17146]  do_init_module (kernel/module/main.c:3117)
[  593.551971][T17146]  ? lockdep_hardirqs_on (kernel/locking/lockdep.c:4488)
[  593.551976][T17146]  ? free_module (./include/trace/events/module.h:50 (discriminator 19))
[  593.551978][T17146]  ? kfree (./include/linux/kasan.h:235 mm/slub.c:2748 mm/slub.c:6499 mm/slub.c:6792)
[  593.551982][T17146]  load_module (kernel/module/main.c:3593)
[  593.551987][T17146]  ? security_kernel_post_read_file (security/security.c:2997 (discriminator 11))
[  593.551992][T17146]  ? layout_and_allocate.isra.0 (kernel/module/main.c:3016)
[  593.551996][T17146]  ? backing_file_read_iter (fs/backing-file.c:211)
[  593.552000][T17146]  ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4116 (discriminator 3) kernel/rcu/tree.c:4108 (discriminator 3))
[  593.552003][T17146]  init_module_from_file (kernel/module/main.c:3790)
[  593.552006][T17146]  ? __do_sys_init_module (kernel/module/main.c:3664)
[  593.552013][T17146]  ? __rwlock_init (kernel/locking/spinlock_debug.c:48)
[  593.552017][T17146]  ? do_raw_spin_unlock (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:32 ./include/asm-generic/qspinlock.h:58 kernel/locking/spinlock_debug.c:101 kernel/locking/spinlock_debug.c:141)
[  593.552020][T17146]  idempotent_init_module (kernel/module/main.c:3802)
[  593.552023][T17146]  ? init_module_from_file (kernel/module/main.c:3791)
[  593.552028][T17146]  ? cap_capable (./include/trace/events/capability.h:26 (discriminator 22) security/commoncap.c:130 (discriminator 22))
[  593.552031][T17146]  ? __x64_sys_pread64 (fs/read_write.c:764 fs/read_write.c:772 fs/read_write.c:769 fs/read_write.c:769)
[  593.552036][T17146]  __x64_sys_finit_module (kernel/module/main.c:3828 kernel/module/main.c:3812 kernel/module/main.c:3812)
[  593.552038][T17146]  ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22))
[  593.552042][T17146]  do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84)
[  593.552044][T17146]  ? exc_page_fault (arch/x86/mm/fault.c:1489 (discriminator 3) arch/x86/mm/fault.c:1536 (discriminator 3))
[  593.552047][T17146]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[  593.552049][T17146] RIP: 0033:0x7fbd87aa537d
[  593.552053][T17146] 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
[  593.552054][T17146] RSP: 002b:00007fff844a13b8 EFLAGS: 00000246 ORIG_RAX: 0000000000000139
[  593.552057][T17146] RAX: ffffffffffffffda RBX: 0000560036e55810 RCX: 00007fbd87aa537d
[  593.552059][T17146] RDX: 0000000000000000 RSI: 0000560017143ffd RDI: 0000000000000000
[  593.552060][T17146] RBP: 00007fff844a1450 R08: 0000000000000000 R09: 0000000000000000
[  593.552061][T17146] R10: 0000000000000000 R11: 0000000000000246 R12: 0000560017143ffd


Finger prints:
vxlan_flush:vprintk_emit:dump_stack_lvl:__kmalloc_noprof:put_chars
netlink_release:vprintk_emit:dump_stack_lvl:__kmalloc_noprof:put_chars
__alloc_skb:vprintk_emit:dump_stack_lvl:__kmalloc_noprof:put_chars
__irq_exit_rcu: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